diff --git a/packages/backend/src/server/web/views/base.pug b/packages/backend/src/server/web/views/base.pug
index 5bb156f0f..d019095ee 100644
--- a/packages/backend/src/server/web/views/base.pug
+++ b/packages/backend/src/server/web/views/base.pug
@@ -34,7 +34,8 @@ html
 		link(rel='prefetch' href='https://xn--931a.moe/assets/info.jpg')
 		link(rel='prefetch' href='https://xn--931a.moe/assets/not-found.jpg')
 		link(rel='prefetch' href='https://xn--931a.moe/assets/error.jpg')
-		link(rel='stylesheet' href='/assets/fontawesome/css/all.css')
+		//- link(rel='stylesheet' href='/assets/fontawesome/css/all.css')
+		link(rel='stylesheet', href='https://unpkg.com/phosphor-icons@1.4.2/src/css/icons.css')
 		link(rel='modulepreload' href=`/assets/${clientEntry.file}`)
 
 		each href in clientEntry.css
diff --git a/packages/client/src/account.ts b/packages/client/src/account.ts
index ce4af61f1..145af15ea 100644
--- a/packages/client/src/account.ts
+++ b/packages/client/src/account.ts
@@ -201,7 +201,7 @@ export async function openAccountMenu(opts: {
 			to: `/@${ $i.username }`,
 			avatar: $i,
 		}, null, ...(opts.includeCurrentAccount ? [createItem($i)] : []), ...accountItemPromises, {
-			icon: 'fas fa-plus',
+			icon: 'ph-plus',
 			text: i18n.ts.addAccount,
 			action: () => {
 				popupMenu([{
@@ -214,7 +214,7 @@ export async function openAccountMenu(opts: {
 			},
 		}, {
 			type: 'link',
-			icon: 'fas fa-users',
+			icon: 'ph-users-three',
 			text: i18n.ts.manageAccounts,
 			to: `/settings/accounts`,
 		}]], ev.currentTarget ?? ev.target, {
diff --git a/packages/client/src/components/abuse-report-window.vue b/packages/client/src/components/abuse-report-window.vue
index 511434962..0e4dd8826 100644
--- a/packages/client/src/components/abuse-report-window.vue
+++ b/packages/client/src/components/abuse-report-window.vue
@@ -1,7 +1,7 @@
 <template>
 <XWindow ref="window" :initial-width="400" :initial-height="500" :can-resize="true" @closed="emit('closed')">
 	<template #header>
-		<i class="fas fa-exclamation-circle" style="margin-right: 0.5em;"></i>
+		<i class="ph-circle-wavy-warning" style="margin-right: 0.5em;"></i>
 		<I18n :src="i18n.ts.reportAbuseOf" tag="span">
 			<template #name>
 				<b><MkAcct :user="user"/></b>
diff --git a/packages/client/src/components/channel-follow-button.vue b/packages/client/src/components/channel-follow-button.vue
index dff02beec..0324dfb13 100644
--- a/packages/client/src/components/channel-follow-button.vue
+++ b/packages/client/src/components/channel-follow-button.vue
@@ -6,14 +6,14 @@
 >
 	<template v-if="!wait">
 		<template v-if="isFollowing">
-			<span v-if="full">{{ i18n.ts.unfollow }}</span><i class="fas fa-minus"></i>
+			<span v-if="full">{{ i18n.ts.unfollow }}</span><i class="ph-minus-circle"></i>
 		</template>
 		<template v-else>
-			<span v-if="full">{{ i18n.ts.follow }}</span><i class="fas fa-plus"></i>
+			<span v-if="full">{{ i18n.ts.follow }}</span><i class="ph-minus-circle"></i>
 		</template>
 	</template>
 	<template v-else>
-		<span v-if="full">{{ i18n.ts.processing }}</span><i class="fas fa-spinner fa-pulse fa-fw"></i>
+		<span v-if="full">{{ i18n.ts.processing }}</span><i class="ph-circle-notch ph-fw spin-anim"></i>
 	</template>
 </button>
 </template>
@@ -125,4 +125,13 @@ async function onClick() {
 		margin-right: 6px;
 	}
 }
+.spin-anim {
+	animation: rotate 2s ease-in-out infinite;
+}
+
+@keyframes rotate {
+	to {
+		transform: rotate(360deg);
+	}
+}
 </style>
diff --git a/packages/client/src/components/channel-preview.vue b/packages/client/src/components/channel-preview.vue
index dd3794a65..ebe5a1315 100644
--- a/packages/client/src/components/channel-preview.vue
+++ b/packages/client/src/components/channel-preview.vue
@@ -2,10 +2,10 @@
 <MkA :to="`/channels/${channel.id}`" class="eftoefju _panel" tabindex="-1">
 	<div class="banner" :style="bannerStyle">
 		<div class="fade"></div>
-		<div class="name"><i class="fas fa-satellite-dish"></i> {{ channel.name }}</div>
+		<div class="name"><i class="ph-television"></i> {{ channel.name }}</div>
 		<div class="status">
 			<div>
-				<i class="fas fa-users fa-fw"></i>
+				<i class="ph-users-three ph-fw"></i>
 				<I18n :src="i18n.ts._channel.usersCount" tag="span" style="margin-left: 4px;">
 					<template #n>
 						<b>{{ channel.usersCount }}</b>
@@ -13,7 +13,7 @@
 				</I18n>
 			</div>
 			<div>
-				<i class="fas fa-pencil-alt fa-fw"></i>
+				<i class="ph-pencil ph-fw"></i>
 				<I18n :src="i18n.ts._channel.notesCount" tag="span" style="margin-left: 4px;">
 					<template #n>
 						<b>{{ channel.notesCount }}</b>
diff --git a/packages/client/src/components/date-separated-list.vue b/packages/client/src/components/date-separated-list.vue
index 085ef871e..1f345dcfd 100644
--- a/packages/client/src/components/date-separated-list.vue
+++ b/packages/client/src/components/date-separated-list.vue
@@ -64,14 +64,14 @@ export default defineComponent({
 				}, [
 					h('span', [
 						h('i', {
-							class: 'fas fa-angle-up icon',
+							class: 'ph-caret-up icon',
 						}),
 						getDateText(item.createdAt)
 					]),
 					h('span', [
 						getDateText(props.items[i + 1].createdAt),
 						h('i', {
-							class: 'fas fa-angle-down icon',
+							class: 'ph-caret-down icon',
 						})
 					])
 				]));
diff --git a/packages/client/src/components/dialog.vue b/packages/client/src/components/dialog.vue
index b090f3cb4..83ad08311 100644
--- a/packages/client/src/components/dialog.vue
+++ b/packages/client/src/components/dialog.vue
@@ -5,17 +5,17 @@
 			<i :class="icon"></i>
 		</div>
 		<div v-else-if="!input && !select" class="icon" :class="type">
-			<i v-if="type === 'success'" class="fas fa-check"></i>
-			<i v-else-if="type === 'error'" class="fas fa-times-circle"></i>
-			<i v-else-if="type === 'warning'" class="fas fa-exclamation-triangle"></i>
-			<i v-else-if="type === 'info'" class="fas fa-info-circle"></i>
-			<i v-else-if="type === 'question'" class="fas fa-question-circle"></i>
-			<i v-else-if="type === 'waiting'" class="fas fa-spinner fa-pulse"></i>
+			<i v-if="type === 'success'" class="ph-check"></i>
+			<i v-else-if="type === 'error'" class="ph-warning-circle"></i>
+			<i v-else-if="type === 'warning'" class="ph-warning"></i>
+			<i v-else-if="type === 'info'" class="ph-info"></i>
+			<i v-else-if="type === 'question'" class="ph-question"></i>
+			<i v-else-if="type === 'waiting'" class="ph-circle-notch ph-fw spin-anim"></i>
 		</div>
 		<header v-if="title"><Mfm :text="title"/></header>
 		<div v-if="text" class="body"><Mfm :text="text"/></div>
 		<MkInput v-if="input" v-model="inputValue" autofocus :type="input.type || 'text'" :placeholder="input.placeholder || undefined" @keydown="onInputKeydown">
-			<template v-if="input.type === 'password'" #prefix><i class="fas fa-lock"></i></template>
+			<template v-if="input.type === 'password'" #prefix><i class="ph-lock"></i></template>
 		</MkInput>
 		<MkSelect v-if="select" v-model="selectedValue" autofocus>
 			<template v-if="select.items">
@@ -205,4 +205,13 @@ onBeforeUnmount(() => {
 		}
 	}
 }
+.spin-anim {
+	animation: rotate 2s ease-in-out infinite;
+}
+
+@keyframes rotate {
+	to {
+		transform: rotate(360deg);
+	}
+}
 </style>
diff --git a/packages/client/src/components/drive-file-thumbnail.vue b/packages/client/src/components/drive-file-thumbnail.vue
index 07cd565c5..0de003e7c 100644
--- a/packages/client/src/components/drive-file-thumbnail.vue
+++ b/packages/client/src/components/drive-file-thumbnail.vue
@@ -1,16 +1,16 @@
 <template>
 <div ref="thumbnail" class="zdjebgpv">
 	<ImgWithBlurhash v-if="isThumbnailAvailable" :hash="file.blurhash" :src="file.thumbnailUrl" :alt="file.name" :title="file.name" :cover="fit !== 'contain'"/>
-	<i v-else-if="is === 'image'" class="fas fa-file-image icon"></i>
-	<i v-else-if="is === 'video'" class="fas fa-file-video icon"></i>
-	<i v-else-if="is === 'audio' || is === 'midi'" class="fas fa-music icon"></i>
-	<i v-else-if="is === 'csv'" class="fas fa-file-csv icon"></i>
-	<i v-else-if="is === 'pdf'" class="fas fa-file-pdf icon"></i>
-	<i v-else-if="is === 'textfile'" class="fas fa-file-alt icon"></i>
-	<i v-else-if="is === 'archive'" class="fas fa-file-archive icon"></i>
-	<i v-else class="fas fa-file icon"></i>
+	<i v-else-if="is === 'image'" class="ph-file-image icon"></i>
+	<i v-else-if="is === 'video'" class="ph-file-video icon"></i>
+	<i v-else-if="is === 'audio' || is === 'midi'" class="ph-file-audio icon"></i>
+	<i v-else-if="is === 'csv'" class="ph-file-csv icon"></i>
+	<i v-else-if="is === 'pdf'" class="ph-file-pdf icon"></i>
+	<i v-else-if="is === 'textfile'" class="ph-file-text icon"></i>
+	<i v-else-if="is === 'archive'" class="ph-file-archive icon"></i>
+	<i v-else class="ph-file icon"></i>
 
-	<i v-if="isThumbnailAvailable && is === 'video'" class="fas fa-film icon-sub"></i>
+	<i v-if="isThumbnailAvailable && is === 'video'" class="ph-film-strip icon-sub"></i>
 </div>
 </template>
 
diff --git a/packages/client/src/components/drive.file.vue b/packages/client/src/components/drive.file.vue
index aaf7ca3ca..a0cee9cbb 100644
--- a/packages/client/src/components/drive.file.vue
+++ b/packages/client/src/components/drive.file.vue
@@ -62,30 +62,30 @@ const title = computed(() => `${props.file.name}\n${props.file.type} ${bytes(pro
 function getMenu() {
 	return [{
 		text: i18n.ts.rename,
-		icon: 'fas fa-i-cursor',
+		icon: 'ph-cursor-text',
 		action: rename
 	}, {
 		text: props.file.isSensitive ? i18n.ts.unmarkAsSensitive : i18n.ts.markAsSensitive,
-		icon: props.file.isSensitive ? 'fas fa-eye' : 'fas fa-eye-slash',
+		icon: props.file.isSensitive ? 'ph-eye' : 'ph-eye-slash',
 		action: toggleSensitive
 	}, {
 		text: i18n.ts.describeFile,
-		icon: 'fas fa-i-cursor',
+		icon: 'ph-cursor-text',
 		action: describe
 	}, null, {
 		text: i18n.ts.copyUrl,
-		icon: 'fas fa-link',
+		icon: 'ph-link',
 		action: copyUrl
 	}, {
 		type: 'a',
 		href: props.file.url,
 		target: '_blank',
 		text: i18n.ts.download,
-		icon: 'fas fa-download',
+		icon: 'ph-download-simple',
 		download: props.file.name
 	}, null, {
 		text: i18n.ts.delete,
-		icon: 'fas fa-trash-alt',
+		icon: 'ph-trash',
 		danger: true,
 		action: deleteFile
 	}];
diff --git a/packages/client/src/components/drive.folder.vue b/packages/client/src/components/drive.folder.vue
index 3ccb5d621..cd0b7dd75 100644
--- a/packages/client/src/components/drive.folder.vue
+++ b/packages/client/src/components/drive.folder.vue
@@ -15,8 +15,8 @@
 	@dragend="onDragend"
 >
 	<p class="name">
-		<template v-if="hover"><i class="fas fa-folder-open fa-fw"></i></template>
-		<template v-if="!hover"><i class="fas fa-folder fa-fw"></i></template>
+		<template v-if="hover"><i class="ph-folder-open ph-fw"></i></template>
+		<template v-if="!hover"><i class="ph-folder ph-fw"></i></template>
 		{{ folder.name }}
 	</p>
 	<p v-if="defaultStore.state.uploadFolder == folder.id" class="upload">
@@ -228,7 +228,7 @@ function setAsUploadFolder() {
 function onContextmenu(ev: MouseEvent) {
 	os.contextMenu([{
 		text: i18n.ts.openInWindow,
-		icon: 'fas fa-window-restore',
+		icon: 'ph-cards',
 		action: () => {
 			os.popup(defineAsyncComponent(() => import('./drive-window.vue')), {
 				initialFolder: props.folder
@@ -237,11 +237,11 @@ function onContextmenu(ev: MouseEvent) {
 		}
 	}, null, {
 		text: i18n.ts.rename,
-		icon: 'fas fa-i-cursor',
+		icon: 'ph-cursor-text',
 		action: rename,
 	}, null, {
 		text: i18n.ts.delete,
-		icon: 'fas fa-trash-alt',
+		icon: 'ph-trash',
 		danger: true,
 		action: deleteFolder,
 	}], ev);
diff --git a/packages/client/src/components/drive.nav-folder.vue b/packages/client/src/components/drive.nav-folder.vue
index 548270331..38d1c8ca9 100644
--- a/packages/client/src/components/drive.nav-folder.vue
+++ b/packages/client/src/components/drive.nav-folder.vue
@@ -7,7 +7,7 @@
 	@dragleave="onDragleave"
 	@drop.stop="onDrop"
 >
-	<i v-if="folder == null" class="fas fa-cloud"></i>
+	<i v-if="folder == null" class="ph-cloud"></i>
 	<span>{{ folder == null ? i18n.ts.drive : folder.name }}</span>
 </div>
 </template>
diff --git a/packages/client/src/components/drive.vue b/packages/client/src/components/drive.vue
index 6c2c8acad..297ae6b54 100644
--- a/packages/client/src/components/drive.vue
+++ b/packages/client/src/components/drive.vue
@@ -11,7 +11,7 @@
 				@removeFolder="removeFolder"
 			/>
 			<template v-for="f in hierarchyFolders">
-				<span class="separator"><i class="fas fa-angle-right"></i></span>
+				<span class="separator"><i class="ph-caret-right"></i></span>
 				<XNavFolder
 					:folder="f"
 					:parent-folder="folder"
@@ -21,7 +21,7 @@
 					@removeFolder="removeFolder"
 				/>
 			</template>
-			<span v-if="folder != null" class="separator"><i class="fas fa-angle-right"></i></span>
+			<span v-if="folder != null" class="separator"><i class="ph-caret-right"></i></span>
 			<span v-if="folder != null" class="folder current">{{ folder.name }}</span>
 		</div>
 		<button class="menu _button" @click="showMenu"><i class="fas fa-ellipsis-h"></i></button>
@@ -576,22 +576,22 @@ function getMenu() {
 		action: () => { selectLocalFile(); }
 	}, {
 		text: i18n.ts.fromUrl,
-		icon: 'fas fa-link',
+		icon: 'ph-link',
 		action: () => { urlUpload(); }
 	}, null, {
 		text: folder.value ? folder.value.name : i18n.ts.drive,
 		type: 'label'
 	}, folder.value ? {
 		text: i18n.ts.renameFolder,
-		icon: 'fas fa-i-cursor',
+		icon: 'ph-cursor-text',
 		action: () => { renameFolder(folder.value); }
 	} : undefined, folder.value ? {
 		text: i18n.ts.deleteFolder,
-		icon: 'fas fa-trash-alt',
+		icon: 'ph-trash',
 		action: () => { deleteFolder(folder.value as Misskey.entities.DriveFolder); }
 	} : undefined, {
 		text: i18n.ts.createFolder,
-		icon: 'fas fa-folder-plus',
+		icon: 'ph-folder-plus',
 		action: () => { createFolder(); }
 	}];
 }
diff --git a/packages/client/src/components/emoji-picker.section.vue b/packages/client/src/components/emoji-picker.section.vue
index 52f704748..a4d8512e4 100644
--- a/packages/client/src/components/emoji-picker.section.vue
+++ b/packages/client/src/components/emoji-picker.section.vue
@@ -1,7 +1,7 @@
 <template>
 <section>
 	<header class="_acrylic" @click="shown = !shown">
-		<i class="toggle fa-fw" :class="shown ? 'fas fa-chevron-down' : 'fas fa-chevron-up'"></i> <slot></slot> ({{ emojis.length }})
+		<i class="toggle ph-fw" :class="shown ? 'fas fa-chevron-down' : 'fas fa-chevron-up'"></i> <slot></slot> ({{ emojis.length }})
 	</header>
 	<div v-if="shown">
 		<button v-for="emoji in emojis"
diff --git a/packages/client/src/components/emoji-picker.vue b/packages/client/src/components/emoji-picker.vue
index 64732e703..300e3a7da 100644
--- a/packages/client/src/components/emoji-picker.vue
+++ b/packages/client/src/components/emoji-picker.vue
@@ -43,7 +43,7 @@
 			</section>
 
 			<section>
-				<header class="_acrylic"><i class="far fa-clock fa-fw"></i> {{ i18n.ts.recentUsed }}</header>
+				<header class="_acrylic"><i class="far fa-clock ph-fw"></i> {{ i18n.ts.recentUsed }}</header>
 				<div>
 					<button v-for="emoji in recentlyUsedEmojis"
 						:key="emoji"
@@ -65,10 +65,10 @@
 		</div>
 	</div>
 	<div class="tabs">
-		<button class="_button tab" :class="{ active: tab === 'index' }" @click="tab = 'index'"><i class="fas fa-asterisk fa-fw"></i></button>
-		<button class="_button tab" :class="{ active: tab === 'custom' }" @click="tab = 'custom'"><i class="fas fa-laugh fa-fw"></i></button>
-		<button class="_button tab" :class="{ active: tab === 'unicode' }" @click="tab = 'unicode'"><i class="fas fa-leaf fa-fw"></i></button>
-		<button class="_button tab" :class="{ active: tab === 'tags' }" @click="tab = 'tags'"><i class="fas fa-hashtag fa-fw"></i></button>
+		<button class="_button tab" :class="{ active: tab === 'index' }" @click="tab = 'index'"><i class="fas fa-asterisk ph-fw"></i></button>
+		<button class="_button tab" :class="{ active: tab === 'custom' }" @click="tab = 'custom'"><i class="ph-smiley ph-fw"></i></button>
+		<button class="_button tab" :class="{ active: tab === 'unicode' }" @click="tab = 'unicode'"><i class="fas fa-leaf ph-fw"></i></button>
+		<button class="_button tab" :class="{ active: tab === 'tags' }" @click="tab = 'tags'"><i class="ph-hash ph-fw"></i></button>
 	</div>
 </div>
 </template>
diff --git a/packages/client/src/components/file-type-icon.vue b/packages/client/src/components/file-type-icon.vue
index 11d28188c..0f920eebe 100644
--- a/packages/client/src/components/file-type-icon.vue
+++ b/packages/client/src/components/file-type-icon.vue
@@ -1,6 +1,6 @@
 <template>
 <span class="mk-file-type-icon">
-	<template v-if="kind == 'image'"><i class="fas fa-file-image"></i></template>
+	<template v-if="kind == 'image'"><i class="ph-file-image"></i></template>
 </span>
 </template>
 
diff --git a/packages/client/src/components/follow-button.vue b/packages/client/src/components/follow-button.vue
index efee795e4..7db1c3a31 100644
--- a/packages/client/src/components/follow-button.vue
+++ b/packages/client/src/components/follow-button.vue
@@ -15,14 +15,14 @@
 			<span v-if="full">{{ i18n.ts.unfollow }}</span><i class="fas fa-minus"></i>
 		</template>
 		<template v-else-if="!isFollowing && user.isLocked">
-			<span v-if="full">{{ i18n.ts.followRequest }}</span><i class="fas fa-plus"></i>
+			<span v-if="full">{{ i18n.ts.followRequest }}</span><i class="ph-plus"></i>
 		</template>
 		<template v-else-if="!isFollowing && !user.isLocked">
-			<span v-if="full">{{ i18n.ts.follow }}</span><i class="fas fa-plus"></i>
+			<span v-if="full">{{ i18n.ts.follow }}</span><i class="ph-plus"></i>
 		</template>
 	</template>
 	<template v-else>
-		<span v-if="full">{{ i18n.ts.processing }}</span><i class="fas fa-spinner fa-pulse fa-fw"></i>
+		<span v-if="full">{{ i18n.ts.processing }}</span><i class="fas fa-spinner fa-pulse ph-fw"></i>
 	</template>
 </button>
 </template>
diff --git a/packages/client/src/components/form/folder.vue b/packages/client/src/components/form/folder.vue
index 1b960657d..c30db2b9e 100644
--- a/packages/client/src/components/form/folder.vue
+++ b/packages/client/src/components/form/folder.vue
@@ -5,8 +5,8 @@
 		<span class="text"><slot name="label"></slot></span>
 		<span class="right">
 			<span class="text"><slot name="suffix"></slot></span>
-			<i v-if="opened" class="fas fa-angle-up icon"></i>
-			<i v-else class="fas fa-angle-down icon"></i>
+			<i v-if="opened" class="ph-caret-up icon"></i>
+			<i v-else class="ph-caret-down icon"></i>
 		</span>
 	</div>
 	<keep-alive>
diff --git a/packages/client/src/components/form/input.vue b/packages/client/src/components/form/input.vue
index 7165671af..d46e11381 100644
--- a/packages/client/src/components/form/input.vue
+++ b/packages/client/src/components/form/input.vue
@@ -28,7 +28,7 @@
 	</div>
 	<div class="caption"><slot name="caption"></slot></div>
 
-	<MkButton v-if="manualSave && changed" primary class="save" @click="updated"><i class="fas fa-check"></i> {{ $ts.save }}</MkButton>
+	<MkButton v-if="manualSave && changed" primary class="save" @click="updated"><i class="ph-check"></i> {{ $ts.save }}</MkButton>
 </div>
 </template>
 
diff --git a/packages/client/src/components/form/suspense.vue b/packages/client/src/components/form/suspense.vue
index 2ad55daca..331cca579 100644
--- a/packages/client/src/components/form/suspense.vue
+++ b/packages/client/src/components/form/suspense.vue
@@ -8,7 +8,7 @@
 	</div>
 	<div v-else>
 		<div class="wszdbhzo">
-			<div><i class="fas fa-exclamation-triangle"></i> {{ $ts.somethingHappened }}</div>
+			<div><i class="ph-warning"></i> {{ $ts.somethingHappened }}</div>
 			<MkButton inline class="retry" @click="retry"><i class="fas fa-redo-alt"></i> {{ $ts.retry }}</MkButton>
 		</div>
 	</div>
diff --git a/packages/client/src/components/form/switch.vue b/packages/client/src/components/form/switch.vue
index fadb770ae..2107c6e9e 100644
--- a/packages/client/src/components/form/switch.vue
+++ b/packages/client/src/components/form/switch.vue
@@ -10,7 +10,7 @@
 		@keydown.enter="toggle"
 	>
 	<span ref="button" v-adaptive-border v-tooltip="checked ? $ts.itsOn : $ts.itsOff" class="button" @click.prevent="toggle">
-		<i class="check fas fa-check"></i>
+		<i class="check ph-check"></i>
 	</span>
 	<span class="label">
 		<!-- TODO: 無名slotの方は廃止 -->
diff --git a/packages/client/src/components/global/a.vue b/packages/client/src/components/global/a.vue
index 5287d59b3..e8bff50a8 100644
--- a/packages/client/src/components/global/a.vue
+++ b/packages/client/src/components/global/a.vue
@@ -40,13 +40,13 @@ function onContextmenu(ev) {
 		type: 'label',
 		text: props.to,
 	}, {
-		icon: 'fas fa-window-maximize',
+		icon: 'ph-frame-corners',
 		text: i18n.ts.openInWindow,
 		action: () => {
 			os.pageWindow(props.to);
 		}
 	}, mkNav.sideViewHook ? {
-		icon: 'fas fa-columns',
+		icon: 'ph-layout',
 		text: i18n.ts.openInSideView,
 		action: () => {
 			if (mkNav.sideViewHook) mkNav.sideViewHook(props.to);
@@ -64,7 +64,7 @@ function onContextmenu(ev) {
 			window.open(props.to, '_blank');
 		}
 	}, {
-		icon: 'fas fa-link',
+		icon: 'ph-link',
 		text: i18n.ts.copyLink,
 		action: () => {
 			copyToClipboard(`${url}${props.to}`);
diff --git a/packages/client/src/components/global/ad.vue b/packages/client/src/components/global/ad.vue
index 180dabb2a..6611f665c 100644
--- a/packages/client/src/components/global/ad.vue
+++ b/packages/client/src/components/global/ad.vue
@@ -3,7 +3,7 @@
 	<div v-if="!showMenu" class="main" :class="ad.place">
 		<a :href="ad.url" target="_blank">
 			<img :src="ad.imageUrl">
-			<button class="_button menu" @click.prevent.stop="toggleMenu"><span class="fas fa-info-circle"></span></button>
+			<button class="_button menu" @click.prevent.stop="toggleMenu"><span class="ph-info"></span></button>
 		</a>
 	</div>
 	<div v-else class="menu">
diff --git a/packages/client/src/components/global/error.vue b/packages/client/src/components/global/error.vue
index 98b96fb41..c53eb0718 100644
--- a/packages/client/src/components/global/error.vue
+++ b/packages/client/src/components/global/error.vue
@@ -2,7 +2,7 @@
 <transition :name="$store.state.animation ? 'zoom' : ''" appear>
 	<div class="mjndxjcg">
 		<img src="https://xn--931a.moe/assets/error.jpg" class="_ghost"/>
-		<p><i class="fas fa-exclamation-triangle"></i> {{ $ts.somethingHappened }}</p>
+		<p><i class="ph-warning"></i> {{ $ts.somethingHappened }}</p>
 		<MkButton class="button" @click="() => $emit('retry')">{{ $ts.retry }}</MkButton>
 	</div>
 </transition>
diff --git a/packages/client/src/components/google.vue b/packages/client/src/components/google.vue
index bb4b439ee..e19c458ea 100644
--- a/packages/client/src/components/google.vue
+++ b/packages/client/src/components/google.vue
@@ -1,7 +1,7 @@
 <template>
 <div class="mk-google">
 	<input v-model="query" type="search" :placeholder="q">
-	<button @click="search"><i class="fas fa-search"></i> {{ $ts.searchByGoogle }}</button>
+	<button @click="search"><i class="ph-magnifying-glass"></i> {{ $ts.searchByGoogle }}</button>
 </div>
 </template>
 
diff --git a/packages/client/src/components/launch-pad.vue b/packages/client/src/components/launch-pad.vue
index ffefc1b08..6ceeafcca 100644
--- a/packages/client/src/components/launch-pad.vue
+++ b/packages/client/src/components/launch-pad.vue
@@ -17,11 +17,11 @@
 		</div>
 		<div class="sub">
 			<a v-click-anime href="https://misskey-hub.net/help.html" target="_blank" @click.passive="close()">
-				<i class="fas fa-question-circle icon"></i>
+				<i class="ph-question icon"></i>
 				<div class="text">{{ $ts.help }}</div>
 			</a>
 			<MkA v-click-anime to="/about" @click.passive="close()">
-				<i class="fas fa-info-circle icon"></i>
+				<i class="ph-info icon"></i>
 				<div class="text">{{ $t('aboutX', { x: instanceName }) }}</div>
 			</MkA>
 			<MkA v-click-anime to="/about-misskey" @click.passive="close()">
diff --git a/packages/client/src/components/media-banner.vue b/packages/client/src/components/media-banner.vue
index 5093f11e9..c91726d33 100644
--- a/packages/client/src/components/media-banner.vue
+++ b/packages/client/src/components/media-banner.vue
@@ -1,7 +1,7 @@
 <template>
 <div class="mk-media-banner">
 	<div v-if="media.isSensitive && hide" class="sensitive" @click="hide = false">
-		<span class="icon"><i class="fas fa-exclamation-triangle"></i></span>
+		<span class="icon"><i class="ph-warning"></i></span>
 		<b>{{ $ts.sensitive }}</b>
 		<span>{{ $ts.clickToShow }}</span>
 	</div>
@@ -19,7 +19,7 @@
 		:title="media.name"
 		:download="media.name"
 	>
-		<span class="icon"><i class="fas fa-download"></i></span>
+		<span class="icon"><i class="ph-download-simple"></i></span>
 		<b>{{ media.name }}</b>
 	</a>
 </div>
diff --git a/packages/client/src/components/media-image.vue b/packages/client/src/components/media-image.vue
index 43639f677..213f9dbca 100644
--- a/packages/client/src/components/media-image.vue
+++ b/packages/client/src/components/media-image.vue
@@ -3,7 +3,7 @@
 	<ImgWithBlurhash class="bg" :hash="image.blurhash" :title="image.comment" :alt="image.comment"/>
 	<div class="text">
 		<div>
-			<b><i class="fas fa-exclamation-triangle"></i> {{ $ts.sensitive }}</b>
+			<b><i class="ph-warning"></i> {{ $ts.sensitive }}</b>
 			<span>{{ $ts.clickToShow }}</span>
 		</div>
 	</div>
@@ -16,7 +16,7 @@
 		<ImgWithBlurhash :hash="image.blurhash" :src="url" :alt="image.comment" :title="image.comment" :cover="false"/>
 		<div v-if="image.type === 'image/gif'" class="gif">GIF</div>
 	</a>
-	<button v-tooltip="$ts.hide" class="_button hide" @click="hide = true"><i class="fas fa-eye-slash"></i></button>
+	<button v-tooltip="$ts.hide" class="_button hide" @click="hide = true"><i class="ph-eye-slash"></i></button>
 </div>
 </template>
 
diff --git a/packages/client/src/components/media-video.vue b/packages/client/src/components/media-video.vue
index 5c38691e6..b59aef8c0 100644
--- a/packages/client/src/components/media-video.vue
+++ b/packages/client/src/components/media-video.vue
@@ -1,7 +1,7 @@
 <template>
 <div v-if="hide" class="icozogqfvdetwohsdglrbswgrejoxbdj" @click="hide = false">
 	<div>
-		<b><i class="fas fa-exclamation-triangle"></i> {{ $ts.sensitive }}</b>
+		<b><i class="ph-warning"></i> {{ $ts.sensitive }}</b>
 		<span>{{ $ts.clickToShow }}</span>
 	</div>
 </div>
@@ -19,7 +19,7 @@
 			:type="video.type"
 		>
 	</video>
-	<i class="fas fa-eye-slash" @click="hide = true"></i>
+	<i class="ph-eye-slash" @click="hide = true"></i>
 </div>
 </template>
 
diff --git a/packages/client/src/components/modal-page-window.vue b/packages/client/src/components/modal-page-window.vue
index 21bdb657b..5493ab6a0 100644
--- a/packages/client/src/components/modal-page-window.vue
+++ b/packages/client/src/components/modal-page-window.vue
@@ -96,7 +96,7 @@ export default defineComponent({
 				text: this.$ts.showInPage,
 				action: this.expand,
 			}, this.sideViewHook ? {
-				icon: 'fas fa-columns',
+				icon: 'ph-layout',
 				text: this.$ts.openInSideView,
 				action: () => {
 					this.sideViewHook(this.path);
@@ -114,7 +114,7 @@ export default defineComponent({
 					this.$refs.window.close();
 				},
 			}, {
-				icon: 'fas fa-link',
+				icon: 'ph-link',
 				text: this.$ts.copyLink,
 				action: () => {
 					copyToClipboard(this.url);
diff --git a/packages/client/src/components/note-detailed.vue b/packages/client/src/components/note-detailed.vue
index 6234b710d..b4eb4c692 100644
--- a/packages/client/src/components/note-detailed.vue
+++ b/packages/client/src/components/note-detailed.vue
@@ -29,7 +29,7 @@
 			<span v-if="note.visibility !== 'public'" class="visibility">
 				<i v-if="note.visibility === 'home'" class="fas fa-home"></i>
 				<i v-else-if="note.visibility === 'followers'" class="fas fa-unlock"></i>
-				<i v-else-if="note.visibility === 'specified'" class="fas fa-envelope"></i>
+				<i v-else-if="note.visibility === 'specified'" class="ph-envelope-simple"></i>
 			</span>
 			<span v-if="note.localOnly" class="localOnly"><i class="fas fa-biohazard"></i></span>
 		</div>
@@ -46,7 +46,7 @@
 					<span v-if="appearNote.visibility !== 'public'" class="visibility">
 						<i v-if="appearNote.visibility === 'home'" class="fas fa-home"></i>
 						<i v-else-if="appearNote.visibility === 'followers'" class="fas fa-unlock"></i>
-						<i v-else-if="appearNote.visibility === 'specified'" class="fas fa-envelope"></i>
+						<i v-else-if="appearNote.visibility === 'specified'" class="ph-envelope-simple"></i>
 					</span>
 					<span v-if="appearNote.localOnly" class="localOnly"><i class="fas fa-biohazard"></i></span>
 				</div>
@@ -63,7 +63,7 @@
 				<div v-show="appearNote.cw == null || showContent" class="content">
 					<div class="text">
 						<span v-if="appearNote.isHidden" style="opacity: 0.5">({{ $ts.private }})</span>
-						<MkA v-if="appearNote.replyId" class="reply" :to="`/notes/${appearNote.replyId}`"><i class="fas fa-reply"></i></MkA>
+						<MkA v-if="appearNote.replyId" class="reply" :to="`/notes/${appearNote.replyId}`"><i class="ph-arrow-bend-up-left"></i></MkA>
 						<Mfm v-if="appearNote.text" :text="appearNote.text" :author="appearNote.user" :i="$i" :custom-emojis="appearNote.emojis"/>
 						<a v-if="appearNote.renote != null" class="rp">RN:</a>
 						<div v-if="translating || translation" class="translation">
@@ -81,7 +81,7 @@
 					<MkUrlPreview v-for="url in urls" :key="url" :url="url" :compact="true" :detail="true" class="url-preview"/>
 					<div v-if="appearNote.renote" class="renote"><XNoteSimple :note="appearNote.renote"/></div>
 				</div>
-				<MkA v-if="appearNote.channel && !inChannel" class="channel" :to="`/channels/${appearNote.channel.id}`"><i class="fas fa-satellite-dish"></i> {{ appearNote.channel.name }}</MkA>
+				<MkA v-if="appearNote.channel && !inChannel" class="channel" :to="`/channels/${appearNote.channel.id}`"><i class="ph-television"></i> {{ appearNote.channel.name }}</MkA>
 			</div>
 			<footer class="footer">
 				<div class="info">
@@ -91,13 +91,13 @@
 				</div>
 				<XReactionsViewer ref="reactionsViewer" :note="appearNote"/>
 				<button class="button _button" @click="reply()">
-					<template v-if="appearNote.reply"><i class="fas fa-reply-all"></i></template>
-					<template v-else><i class="fas fa-reply"></i></template>
+					<template v-if="appearNote.reply"><i class="ph-arrow-bend-double-left"></i></template>
+					<template v-else><i class="ph-arrow-bend-up-left"></i></template>
 					<p v-if="appearNote.repliesCount > 0" class="count">{{ appearNote.repliesCount }}</p>
 				</button>
 				<XRenoteButton ref="renoteButton" class="button" :note="appearNote" :count="appearNote.renoteCount"/>
 				<button v-if="appearNote.myReaction == null" ref="reactButton" class="button _button" @click="react()">
-					<i class="fas fa-plus"></i>
+					<i class="ph-plus"></i>
 				</button>
 				<button v-if="appearNote.myReaction != null" ref="reactButton" class="button _button reacted" @click="undoReact(appearNote)">
 					<i class="fas fa-minus"></i>
@@ -265,7 +265,7 @@ function showRenoteMenu(viaKeyboard = false): void {
 	if (!isMyRenote) return;
 	os.popupMenu([{
 		text: i18n.ts.unrenote,
-		icon: 'fas fa-trash-alt',
+		icon: 'ph-trash',
 		danger: true,
 		action: () => {
 			os.api('notes/delete', {
diff --git a/packages/client/src/components/note-header.vue b/packages/client/src/components/note-header.vue
index 56a3a37e7..7f0616586 100644
--- a/packages/client/src/components/note-header.vue
+++ b/packages/client/src/components/note-header.vue
@@ -12,7 +12,7 @@
 		<span v-if="note.visibility !== 'public'" class="visibility">
 			<i v-if="note.visibility === 'home'" class="fas fa-home"></i>
 			<i v-else-if="note.visibility === 'followers'" class="fas fa-unlock"></i>
-			<i v-else-if="note.visibility === 'specified'" class="fas fa-envelope"></i>
+			<i v-else-if="note.visibility === 'specified'" class="ph-envelope-simple"></i>
 		</span>
 		<span v-if="note.localOnly" class="localOnly"><i class="fas fa-biohazard"></i></span>
 	</div>
diff --git a/packages/client/src/components/note.vue b/packages/client/src/components/note.vue
index e5744d1ce..b3ab7b10f 100644
--- a/packages/client/src/components/note.vue
+++ b/packages/client/src/components/note.vue
@@ -31,7 +31,7 @@
 			<span v-if="note.visibility !== 'public'" class="visibility">
 				<i v-if="note.visibility === 'home'" class="fas fa-home"></i>
 				<i v-else-if="note.visibility === 'followers'" class="fas fa-unlock"></i>
-				<i v-else-if="note.visibility === 'specified'" class="fas fa-envelope"></i>
+				<i v-else-if="note.visibility === 'specified'" class="ph-envelope-simple"></i>
 			</span>
 			<span v-if="note.localOnly" class="localOnly"><i class="fas fa-biohazard"></i></span>
 		</div>
@@ -49,7 +49,7 @@
 				<div v-show="appearNote.cw == null || showContent" class="content" :class="{ collapsed }">
 					<div class="text">
 						<span v-if="appearNote.isHidden" style="opacity: 0.5">({{ i18n.ts.private }})</span>
-						<MkA v-if="appearNote.replyId" class="reply" :to="`/notes/${appearNote.replyId}`"><i class="fas fa-reply"></i></MkA>
+						<MkA v-if="appearNote.replyId" class="reply" :to="`/notes/${appearNote.replyId}`"><i class="ph-arrow-bend-up-left"></i></MkA>
 						<Mfm v-if="appearNote.text" :text="appearNote.text" :author="appearNote.user" :i="$i" :custom-emojis="appearNote.emojis"/>
 						<a v-if="appearNote.renote != null" class="rp">RN:</a>
 						<div v-if="translating || translation" class="translation">
@@ -70,18 +70,18 @@
 						<span>{{ i18n.ts.showMore }}</span>
 					</button>
 				</div>
-				<MkA v-if="appearNote.channel && !inChannel" class="channel" :to="`/channels/${appearNote.channel.id}`"><i class="fas fa-satellite-dish"></i> {{ appearNote.channel.name }}</MkA>
+				<MkA v-if="appearNote.channel && !inChannel" class="channel" :to="`/channels/${appearNote.channel.id}`"><i class="ph-television"></i> {{ appearNote.channel.name }}</MkA>
 			</div>
 			<footer class="footer">
 				<XReactionsViewer ref="reactionsViewer" :note="appearNote"/>
 				<button class="button _button" @click="reply()">
-					<template v-if="appearNote.reply"><i class="fas fa-reply-all"></i></template>
-					<template v-else><i class="fas fa-reply"></i></template>
+					<template v-if="appearNote.reply"><i class="ph-arrow-bend-double-left"></i></template>
+					<template v-else><i class="ph-arrow-bend-up-left"></i></template>
 					<p v-if="appearNote.repliesCount > 0" class="count">{{ appearNote.repliesCount }}</p>
 				</button>
 				<XRenoteButton ref="renoteButton" class="button" :note="appearNote" :count="appearNote.renoteCount"/>
 				<button v-if="appearNote.myReaction == null" ref="reactButton" class="button _button" @click="react()">
-					<i class="fas fa-plus"></i>
+					<i class="ph-plus"></i>
 				</button>
 				<button v-if="appearNote.myReaction != null" ref="reactButton" class="button _button reacted" @click="undoReact(appearNote)">
 					<i class="fas fa-minus"></i>
@@ -253,7 +253,7 @@ function showRenoteMenu(viaKeyboard = false): void {
 	if (!isMyRenote) return;
 	os.popupMenu([{
 		text: i18n.ts.unrenote,
-		icon: 'fas fa-trash-alt',
+		icon: 'ph-trash',
 		danger: true,
 		action: () => {
 			os.api('notes/delete', {
diff --git a/packages/client/src/components/notification.vue b/packages/client/src/components/notification.vue
index cbfd809f3..bb7a640e8 100644
--- a/packages/client/src/components/notification.vue
+++ b/packages/client/src/components/notification.vue
@@ -5,14 +5,14 @@
 		<MkAvatar v-else-if="notification.user" class="icon" :user="notification.user"/>
 		<img v-else-if="notification.icon" class="icon" :src="notification.icon" alt=""/>
 		<div class="sub-icon" :class="notification.type">
-			<i v-if="notification.type === 'follow'" class="fas fa-plus"></i>
+			<i v-if="notification.type === 'follow'" class="ph-plus"></i>
 			<i v-else-if="notification.type === 'receiveFollowRequest'" class="fas fa-clock"></i>
-			<i v-else-if="notification.type === 'followRequestAccepted'" class="fas fa-check"></i>
+			<i v-else-if="notification.type === 'followRequestAccepted'" class="ph-check"></i>
 			<i v-else-if="notification.type === 'groupInvited'" class="fas fa-id-card-alt"></i>
 			<i v-else-if="notification.type === 'renote'" class="fas fa-retweet"></i>
-			<i v-else-if="notification.type === 'reply'" class="fas fa-reply"></i>
-			<i v-else-if="notification.type === 'mention'" class="fas fa-at"></i>
-			<i v-else-if="notification.type === 'quote'" class="fas fa-quote-left"></i>
+			<i v-else-if="notification.type === 'reply'" class="ph-arrow-bend-up-left"></i>
+			<i v-else-if="notification.type === 'mention'" class="ph-at"></i>
+			<i v-else-if="notification.type === 'quote'" class="ph-quotesleft"></i>
 			<i v-else-if="notification.type === 'pollVote'" class="fas fa-poll-h"></i>
 			<i v-else-if="notification.type === 'pollEnded'" class="fas fa-poll-h"></i>
 			<!-- notification.reaction が null になることはまずないが、ここでoptional chaining使うと一部ブラウザで刺さるので念の為 -->
@@ -33,14 +33,14 @@
 			<MkTime v-if="withTime" :time="notification.createdAt" class="time"/>
 		</header>
 		<MkA v-if="notification.type === 'reaction'" class="text" :to="notePage(notification.note)" :title="getNoteSummary(notification.note)">
-			<i class="fas fa-quote-left"></i>
+			<i class="ph-quotesleft"></i>
 			<Mfm :text="getNoteSummary(notification.note)" :plain="true" :nowrap="!full" :custom-emojis="notification.note.emojis"/>
-			<i class="fas fa-quote-right"></i>
+			<i class="ph-quotesright"></i>
 		</MkA>
 		<MkA v-if="notification.type === 'renote'" class="text" :to="notePage(notification.note)" :title="getNoteSummary(notification.note.renote)">
-			<i class="fas fa-quote-left"></i>
+			<i class="ph-quotesleft"></i>
 			<Mfm :text="getNoteSummary(notification.note.renote)" :plain="true" :nowrap="!full" :custom-emojis="notification.note.renote.emojis"/>
-			<i class="fas fa-quote-right"></i>
+			<i class="ph-quotesright"></i>
 		</MkA>
 		<MkA v-if="notification.type === 'reply'" class="text" :to="notePage(notification.note)" :title="getNoteSummary(notification.note)">
 			<Mfm :text="getNoteSummary(notification.note)" :plain="true" :nowrap="!full" :custom-emojis="notification.note.emojis"/>
@@ -52,14 +52,14 @@
 			<Mfm :text="getNoteSummary(notification.note)" :plain="true" :nowrap="!full" :custom-emojis="notification.note.emojis"/>
 		</MkA>
 		<MkA v-if="notification.type === 'pollVote'" class="text" :to="notePage(notification.note)" :title="getNoteSummary(notification.note)">
-			<i class="fas fa-quote-left"></i>
+			<i class="ph-quotesleft"></i>
 			<Mfm :text="getNoteSummary(notification.note)" :plain="true" :nowrap="!full" :custom-emojis="notification.note.emojis"/>
-			<i class="fas fa-quote-right"></i>
+			<i class="ph-quotesright"></i>
 		</MkA>
 		<MkA v-if="notification.type === 'pollEnded'" class="text" :to="notePage(notification.note)" :title="getNoteSummary(notification.note)">
-			<i class="fas fa-quote-left"></i>
+			<i class="ph-quotesleft"></i>
 			<Mfm :text="getNoteSummary(notification.note)" :plain="true" :nowrap="!full" :custom-emojis="notification.note.emojis"/>
-			<i class="fas fa-quote-right"></i>
+			<i class="ph-quotesright"></i>
 		</MkA>
 		<span v-if="notification.type === 'follow'" class="text" style="opacity: 0.6;">{{ $ts.youGotNewFollower }}<div v-if="full"><MkFollowButton :user="notification.user" :full="true"/></div></span>
 		<span v-if="notification.type === 'followRequestAccepted'" class="text" style="opacity: 0.6;">{{ $ts.followRequestAccepted }}</span>
diff --git a/packages/client/src/components/page-window.vue b/packages/client/src/components/page-window.vue
index 7455236ba..158c62dcb 100644
--- a/packages/client/src/components/page-window.vue
+++ b/packages/client/src/components/page-window.vue
@@ -103,7 +103,7 @@ export default defineComponent({
 				text: this.$ts.showInPage,
 				action: this.expand
 			}, this.sideViewHook ? {
-				icon: 'fas fa-columns',
+				icon: 'ph-layout',
 				text: this.$ts.openInSideView,
 				action: () => {
 					this.sideViewHook(this.path);
@@ -121,7 +121,7 @@ export default defineComponent({
 					this.$refs.window.close();
 				}
 			}, {
-				icon: 'fas fa-link',
+				icon: 'ph-link',
 				text: this.$ts.copyLink,
 				action: () => {
 					copyToClipboard(this.url);
@@ -155,7 +155,7 @@ export default defineComponent({
 					this.$refs.window.close();
 				}
 			}, {
-				icon: 'fas fa-link',
+				icon: 'ph-link',
 				text: this.$ts.copyLink,
 				action: () => {
 					copyToClipboard(this.url);
diff --git a/packages/client/src/components/page/page.post.vue b/packages/client/src/components/page/page.post.vue
index 3401f945b..611f846dc 100644
--- a/packages/client/src/components/page/page.post.vue
+++ b/packages/client/src/components/page/page.post.vue
@@ -2,7 +2,7 @@
 <div class="ngbfujlo">
 	<MkTextarea :model-value="text" readonly style="margin: 0;"></MkTextarea>
 	<MkButton class="button" primary :disabled="posting || posted" @click="post()">
-		<i v-if="posted" class="fas fa-check"></i>
+		<i v-if="posted" class="ph-check"></i>
 		<i v-else class="fas fa-paper-plane"></i>
 	</MkButton>
 </div>
diff --git a/packages/client/src/components/poll-editor.vue b/packages/client/src/components/poll-editor.vue
index 9aa5510c7..7422796df 100644
--- a/packages/client/src/components/poll-editor.vue
+++ b/packages/client/src/components/poll-editor.vue
@@ -1,7 +1,7 @@
 <template>
 <div class="zmdxowus">
 	<p v-if="choices.length < 2" class="caution">
-		<i class="fas fa-exclamation-triangle"></i>{{ $ts._poll.noOnlyOneChoice }}
+		<i class="ph-warning"></i>{{ $ts._poll.noOnlyOneChoice }}
 	</p>
 	<ul>
 		<li v-for="(choice, i) in choices" :key="i">
diff --git a/packages/client/src/components/poll.vue b/packages/client/src/components/poll.vue
index 171b4a477..ef6d43328 100644
--- a/packages/client/src/components/poll.vue
+++ b/packages/client/src/components/poll.vue
@@ -4,7 +4,7 @@
 		<li v-for="(choice, i) in note.poll.choices" :key="i" :class="{ voted: choice.voted }" @click="vote(i)">
 			<div class="backdrop" :style="{ 'width': `${showResult ? (choice.votes / total * 100) : 0}%` }"></div>
 			<span>
-				<template v-if="choice.isVoted"><i class="fas fa-check"></i></template>
+				<template v-if="choice.isVoted"><i class="ph-check"></i></template>
 				<Mfm :text="choice.text" :plain="true" :custom-emojis="note.emojis"/>
 				<span v-if="showResult" class="votes">({{ $t('_poll.votesCount', { n: choice.votes }) }})</span>
 			</span>
diff --git a/packages/client/src/components/post-form-attaches.vue b/packages/client/src/components/post-form-attaches.vue
index 6b9827407..04afe433c 100644
--- a/packages/client/src/components/post-form-attaches.vue
+++ b/packages/client/src/components/post-form-attaches.vue
@@ -5,7 +5,7 @@
 			<div @click="showFileMenu(element, $event)" @contextmenu.prevent="showFileMenu(element, $event)">
 				<MkDriveFileThumbnail :data-id="element.id" class="thumbnail" :file="element" fit="cover"/>
 				<div v-if="element.isSensitive" class="sensitive">
-					<i class="fas fa-exclamation-triangle icon"></i>
+					<i class="ph-warning icon"></i>
 				</div>
 			</div>
 		</template>
@@ -113,19 +113,19 @@ export default defineComponent({
 			if (this.menu) return;
 			this.menu = os.popupMenu([{
 				text: this.$ts.renameFile,
-				icon: 'fas fa-i-cursor',
+				icon: 'ph-cursor-text',
 				action: () => { this.rename(file); }
 			}, {
 				text: file.isSensitive ? this.$ts.unmarkAsSensitive : this.$ts.markAsSensitive,
-				icon: file.isSensitive ? 'fas fa-eye-slash' : 'fas fa-eye',
+				icon: file.isSensitive ? 'ph-eye-slash' : 'ph-eye',
 				action: () => { this.toggleSensitive(file); }
 			}, {
 				text: this.$ts.describeFile,
-				icon: 'fas fa-i-cursor',
+				icon: 'ph-cursor-text',
 				action: () => { this.describe(file); }
 			}, {
 				text: this.$ts.attachCancel,
-				icon: 'fas fa-times-circle',
+				icon: 'ph-warning-circle',
 				action: () => { this.detachMedia(file.id); }
 			}], ev.currentTarget ?? ev.target).then(() => this.menu = null);
 		}
diff --git a/packages/client/src/components/post-form.vue b/packages/client/src/components/post-form.vue
index 0197313e0..cb9206731 100644
--- a/packages/client/src/components/post-form.vue
+++ b/packages/client/src/components/post-form.vue
@@ -15,19 +15,19 @@
 			<span class="text-count" :class="{ over: textLength > maxTextLength }">{{ maxTextLength - textLength }}</span>
 			<span v-if="localOnly" class="local-only"><i class="fas fa-biohazard"></i></span>
 			<button ref="visibilityButton" v-tooltip="i18n.ts.visibility" class="_button visibility" :disabled="channel != null" @click="setVisibility">
-				<span v-if="visibility === 'public'"><i class="fas fa-globe"></i></span>
+				<span v-if="visibility === 'public'"><i class="ph-globe"></i></span>
 				<span v-if="visibility === 'home'"><i class="fas fa-home"></i></span>
 				<span v-if="visibility === 'followers'"><i class="fas fa-unlock"></i></span>
-				<span v-if="visibility === 'specified'"><i class="fas fa-envelope"></i></span>
+				<span v-if="visibility === 'specified'"><i class="ph-envelope-simple"></i></span>
 			</button>
-			<button v-tooltip="i18n.ts.previewNoteText" class="_button preview" :class="{ active: showPreview }" @click="showPreview = !showPreview"><i class="fas fa-file-code"></i></button>
-			<button class="submit _buttonGradate" :disabled="!canPost" data-cy-open-post-form-submit @click="post">{{ submitText }}<i :class="reply ? 'fas fa-reply' : renote ? 'fas fa-quote-right' : 'fas fa-paper-plane'"></i></button>
+			<button v-tooltip="i18n.ts.previewNoteText" class="_button preview" :class="{ active: showPreview }" @click="showPreview = !showPreview"><i class="ph-file-code"></i></button>
+			<button class="submit _buttonGradate" :disabled="!canPost" data-cy-open-post-form-submit @click="post">{{ submitText }}<i :class="reply ? 'ph-arrow-bend-up-left' : renote ? 'ph-quotesright' : 'fas fa-paper-plane'"></i></button>
 		</div>
 	</header>
 	<div class="form" :class="{ fixed }">
 		<XNoteSimple v-if="reply" class="preview" :note="reply"/>
 		<XNoteSimple v-if="renote" class="preview" :note="renote"/>
-		<div v-if="quoteId" class="with-quote"><i class="fas fa-quote-left"></i> {{ i18n.ts.quoteAttached }}<button @click="quoteId = null"><i class="fas fa-times"></i></button></div>
+		<div v-if="quoteId" class="with-quote"><i class="ph-quotesleft"></i> {{ i18n.ts.quoteAttached }}<button @click="quoteId = null"><i class="fas fa-times"></i></button></div>
 		<div v-if="visibility === 'specified'" class="to-specified">
 			<span style="margin-right: 8px;">{{ i18n.ts.recipient }}</span>
 			<div class="visibleUsers">
@@ -35,7 +35,7 @@
 					<MkAcct :user="u"/>
 					<button class="_button" @click="removeVisibleUser(u)"><i class="fas fa-times"></i></button>
 				</span>
-				<button class="_buttonPrimary" @click="addVisibleUser"><i class="fas fa-plus fa-fw"></i></button>
+				<button class="_buttonPrimary" @click="addVisibleUser"><i class="ph-plus ph-fw"></i></button>
 			</div>
 		</div>
 		<MkInfo v-if="hasNotSpecifiedMentions" warn class="hasNotSpecifiedMentions">{{ i18n.ts.notSpecifiedMentionWarning }} - <button class="_textButton" @click="addMissingMention()">{{ i18n.ts.add }}</button></MkInfo>
@@ -48,10 +48,10 @@
 		<footer>
 			<button v-tooltip="i18n.ts.attachFile" class="_button" @click="chooseFileFrom"><i class="fas fa-photo-video"></i></button>
 			<button v-tooltip="i18n.ts.poll" class="_button" :class="{ active: poll }" @click="togglePoll"><i class="fas fa-poll-h"></i></button>
-			<button v-tooltip="i18n.ts.useCw" class="_button" :class="{ active: useCw }" @click="useCw = !useCw"><i class="fas fa-eye-slash"></i></button>
-			<button v-tooltip="i18n.ts.mention" class="_button" @click="insertMention"><i class="fas fa-at"></i></button>
-			<button v-tooltip="i18n.ts.hashtags" class="_button" :class="{ active: withHashtags }" @click="withHashtags = !withHashtags"><i class="fas fa-hashtag"></i></button>
-			<button v-tooltip="i18n.ts.emoji" class="_button" @click="insertEmoji"><i class="fas fa-laugh-squint"></i></button>
+			<button v-tooltip="i18n.ts.useCw" class="_button" :class="{ active: useCw }" @click="useCw = !useCw"><i class="ph-eye-slash"></i></button>
+			<button v-tooltip="i18n.ts.mention" class="_button" @click="insertMention"><i class="ph-at"></i></button>
+			<button v-tooltip="i18n.ts.hashtags" class="_button" :class="{ active: withHashtags }" @click="withHashtags = !withHashtags"><i class="ph-hash"></i></button>
+			<button v-tooltip="i18n.ts.emoji" class="_button" @click="insertEmoji"><i class="ph-smiley-squint"></i></button>
 			<button v-if="postFormActions.length > 0" v-tooltip="i18n.ts.plugin" class="_button" @click="showActions"><i class="fas fa-plug"></i></button>
 		</footer>
 		<datalist id="hashtags">
diff --git a/packages/client/src/components/remote-caution.vue b/packages/client/src/components/remote-caution.vue
index aa623f0fb..4f1a7905a 100644
--- a/packages/client/src/components/remote-caution.vue
+++ b/packages/client/src/components/remote-caution.vue
@@ -1,5 +1,5 @@
 <template>
-<div class="jmgmzlwq _block"><i class="fas fa-exclamation-triangle" style="margin-right: 8px;"></i>{{ $ts.remoteUserCaution }}<a :href="href" rel="nofollow noopener" target="_blank">{{ $ts.showOnRemote }}</a></div>
+<div class="jmgmzlwq _block"><i class="ph-warning" style="margin-right: 8px;"></i>{{ $ts.remoteUserCaution }}<a :href="href" rel="nofollow noopener" target="_blank">{{ $ts.showOnRemote }}</a></div>
 </template>
 
 <script lang="ts" setup>
diff --git a/packages/client/src/components/renote-button.vue b/packages/client/src/components/renote-button.vue
index 8d9f08b4c..c943ff899 100644
--- a/packages/client/src/components/renote-button.vue
+++ b/packages/client/src/components/renote-button.vue
@@ -68,7 +68,7 @@ export default defineComponent({
 				}
 			}, {
 				text: i18n.ts.quote,
-				icon: 'fas fa-quote-right',
+				icon: 'ph-quotesright',
 				action: () => {
 					os.post({
 						renote: props.note,
diff --git a/packages/client/src/components/signin.vue b/packages/client/src/components/signin.vue
index b772d1479..25293944a 100644
--- a/packages/client/src/components/signin.vue
+++ b/packages/client/src/components/signin.vue
@@ -11,7 +11,7 @@
 				<template #suffix>@{{ host }}</template>
 			</MkInput>
 			<MkInput v-if="!user || user && !user.usePasswordLessLogin" v-model="password" class="_formBlock" :placeholder="i18n.ts.password" type="password" :with-password-toggle="true" required data-cy-signin-password>
-				<template #prefix><i class="fas fa-lock"></i></template>
+				<template #prefix><i class="ph-lock"></i></template>
 				<template #caption><button class="_textButton" type="button" @click="resetPassword">{{ i18n.ts.forgotPassword }}</button></template>
 			</MkInput>
 			<MkButton class="_formBlock" type="submit" primary :disabled="signing" style="margin: 0 auto;">{{ signing ? i18n.ts.loggingIn : i18n.ts.login }}</MkButton>
@@ -30,7 +30,7 @@
 				<p style="margin-bottom:0;">{{ i18n.ts.twoStepAuthentication }}</p>
 				<MkInput v-if="user && user.usePasswordLessLogin" v-model="password" type="password" :with-password-toggle="true" required>
 					<template #label>{{ i18n.ts.password }}</template>
-					<template #prefix><i class="fas fa-lock"></i></template>
+					<template #prefix><i class="ph-lock"></i></template>
 				</MkInput>
 				<MkInput v-model="token" type="text" pattern="^[0-9]{6}$" autocomplete="off" spellcheck="false" required>
 					<template #label>{{ i18n.ts.token }}</template>
diff --git a/packages/client/src/components/signup.vue b/packages/client/src/components/signup.vue
index 3f2af306e..279fb8c64 100644
--- a/packages/client/src/components/signup.vue
+++ b/packages/client/src/components/signup.vue
@@ -10,45 +10,45 @@
 			<template #prefix>@</template>
 			<template #suffix>@{{ host }}</template>
 			<template #caption>
-				<span v-if="usernameState === 'wait'" style="color:#999"><i class="fas fa-spinner fa-pulse fa-fw"></i> {{ $ts.checking }}</span>
-				<span v-else-if="usernameState === 'ok'" style="color: var(--success)"><i class="fas fa-check fa-fw"></i> {{ $ts.available }}</span>
-				<span v-else-if="usernameState === 'unavailable'" style="color: var(--error)"><i class="fas fa-exclamation-triangle fa-fw"></i> {{ $ts.unavailable }}</span>
-				<span v-else-if="usernameState === 'error'" style="color: var(--error)"><i class="fas fa-exclamation-triangle fa-fw"></i> {{ $ts.error }}</span>
-				<span v-else-if="usernameState === 'invalid-format'" style="color: var(--error)"><i class="fas fa-exclamation-triangle fa-fw"></i> {{ $ts.usernameInvalidFormat }}</span>
-				<span v-else-if="usernameState === 'min-range'" style="color: var(--error)"><i class="fas fa-exclamation-triangle fa-fw"></i> {{ $ts.tooShort }}</span>
-				<span v-else-if="usernameState === 'max-range'" style="color: var(--error)"><i class="fas fa-exclamation-triangle fa-fw"></i> {{ $ts.tooLong }}</span>
+				<span v-if="usernameState === 'wait'" style="color:#999"><i class="fas fa-spinner fa-pulse ph-fw"></i> {{ $ts.checking }}</span>
+				<span v-else-if="usernameState === 'ok'" style="color: var(--success)"><i class="ph-check ph-fw"></i> {{ $ts.available }}</span>
+				<span v-else-if="usernameState === 'unavailable'" style="color: var(--error)"><i class="ph-warning ph-fw"></i> {{ $ts.unavailable }}</span>
+				<span v-else-if="usernameState === 'error'" style="color: var(--error)"><i class="ph-warning ph-fw"></i> {{ $ts.error }}</span>
+				<span v-else-if="usernameState === 'invalid-format'" style="color: var(--error)"><i class="ph-warning ph-fw"></i> {{ $ts.usernameInvalidFormat }}</span>
+				<span v-else-if="usernameState === 'min-range'" style="color: var(--error)"><i class="ph-warning ph-fw"></i> {{ $ts.tooShort }}</span>
+				<span v-else-if="usernameState === 'max-range'" style="color: var(--error)"><i class="ph-warning ph-fw"></i> {{ $ts.tooLong }}</span>
 			</template>
 		</MkInput>
 		<MkInput v-if="meta.emailRequiredForSignup" v-model="email" class="_formBlock" :debounce="true" type="email" spellcheck="false" required data-cy-signup-email @update:modelValue="onChangeEmail">
 			<template #label>{{ $ts.emailAddress }} <div v-tooltip:dialog="$ts._signup.emailAddressInfo" class="_button _help"><i class="far fa-question-circle"></i></div></template>
-			<template #prefix><i class="fas fa-envelope"></i></template>
+			<template #prefix><i class="ph-envelope-simple"></i></template>
 			<template #caption>
-				<span v-if="emailState === 'wait'" style="color:#999"><i class="fas fa-spinner fa-pulse fa-fw"></i> {{ $ts.checking }}</span>
-				<span v-else-if="emailState === 'ok'" style="color: var(--success)"><i class="fas fa-check fa-fw"></i> {{ $ts.available }}</span>
-				<span v-else-if="emailState === 'unavailable:used'" style="color: var(--error)"><i class="fas fa-exclamation-triangle fa-fw"></i> {{ $ts._emailUnavailable.used }}</span>
-				<span v-else-if="emailState === 'unavailable:format'" style="color: var(--error)"><i class="fas fa-exclamation-triangle fa-fw"></i> {{ $ts._emailUnavailable.format }}</span>
-				<span v-else-if="emailState === 'unavailable:disposable'" style="color: var(--error)"><i class="fas fa-exclamation-triangle fa-fw"></i> {{ $ts._emailUnavailable.disposable }}</span>
-				<span v-else-if="emailState === 'unavailable:mx'" style="color: var(--error)"><i class="fas fa-exclamation-triangle fa-fw"></i> {{ $ts._emailUnavailable.mx }}</span>
-				<span v-else-if="emailState === 'unavailable:smtp'" style="color: var(--error)"><i class="fas fa-exclamation-triangle fa-fw"></i> {{ $ts._emailUnavailable.smtp }}</span>
-				<span v-else-if="emailState === 'unavailable'" style="color: var(--error)"><i class="fas fa-exclamation-triangle fa-fw"></i> {{ $ts.unavailable }}</span>
-				<span v-else-if="emailState === 'error'" style="color: var(--error)"><i class="fas fa-exclamation-triangle fa-fw"></i> {{ $ts.error }}</span>
+				<span v-if="emailState === 'wait'" style="color:#999"><i class="fas fa-spinner fa-pulse ph-fw"></i> {{ $ts.checking }}</span>
+				<span v-else-if="emailState === 'ok'" style="color: var(--success)"><i class="ph-check ph-fw"></i> {{ $ts.available }}</span>
+				<span v-else-if="emailState === 'unavailable:used'" style="color: var(--error)"><i class="ph-warning ph-fw"></i> {{ $ts._emailUnavailable.used }}</span>
+				<span v-else-if="emailState === 'unavailable:format'" style="color: var(--error)"><i class="ph-warning ph-fw"></i> {{ $ts._emailUnavailable.format }}</span>
+				<span v-else-if="emailState === 'unavailable:disposable'" style="color: var(--error)"><i class="ph-warning ph-fw"></i> {{ $ts._emailUnavailable.disposable }}</span>
+				<span v-else-if="emailState === 'unavailable:mx'" style="color: var(--error)"><i class="ph-warning ph-fw"></i> {{ $ts._emailUnavailable.mx }}</span>
+				<span v-else-if="emailState === 'unavailable:smtp'" style="color: var(--error)"><i class="ph-warning ph-fw"></i> {{ $ts._emailUnavailable.smtp }}</span>
+				<span v-else-if="emailState === 'unavailable'" style="color: var(--error)"><i class="ph-warning ph-fw"></i> {{ $ts.unavailable }}</span>
+				<span v-else-if="emailState === 'error'" style="color: var(--error)"><i class="ph-warning ph-fw"></i> {{ $ts.error }}</span>
 			</template>
 		</MkInput>
 		<MkInput v-model="password" class="_formBlock" type="password" autocomplete="new-password" required data-cy-signup-password @update:modelValue="onChangePassword">
 			<template #label>{{ $ts.password }}</template>
-			<template #prefix><i class="fas fa-lock"></i></template>
+			<template #prefix><i class="ph-lock"></i></template>
 			<template #caption>
-				<span v-if="passwordStrength == 'low'" style="color: var(--error)"><i class="fas fa-exclamation-triangle fa-fw"></i> {{ $ts.weakPassword }}</span>
-				<span v-if="passwordStrength == 'medium'" style="color: var(--warn)"><i class="fas fa-check fa-fw"></i> {{ $ts.normalPassword }}</span>
-				<span v-if="passwordStrength == 'high'" style="color: var(--success)"><i class="fas fa-check fa-fw"></i> {{ $ts.strongPassword }}</span>
+				<span v-if="passwordStrength == 'low'" style="color: var(--error)"><i class="ph-warning ph-fw"></i> {{ $ts.weakPassword }}</span>
+				<span v-if="passwordStrength == 'medium'" style="color: var(--warn)"><i class="ph-check ph-fw"></i> {{ $ts.normalPassword }}</span>
+				<span v-if="passwordStrength == 'high'" style="color: var(--success)"><i class="ph-check ph-fw"></i> {{ $ts.strongPassword }}</span>
 			</template>
 		</MkInput>
 		<MkInput v-model="retypedPassword" class="_formBlock" type="password" autocomplete="new-password" required data-cy-signup-password-retype @update:modelValue="onChangePasswordRetype">
 			<template #label>{{ $ts.password }} ({{ $ts.retype }})</template>
-			<template #prefix><i class="fas fa-lock"></i></template>
+			<template #prefix><i class="ph-lock"></i></template>
 			<template #caption>
-				<span v-if="passwordRetypeState == 'match'" style="color: var(--success)"><i class="fas fa-check fa-fw"></i> {{ $ts.passwordMatched }}</span>
-				<span v-if="passwordRetypeState == 'not-match'" style="color: var(--error)"><i class="fas fa-exclamation-triangle fa-fw"></i> {{ $ts.passwordNotMatched }}</span>
+				<span v-if="passwordRetypeState == 'match'" style="color: var(--success)"><i class="ph-check ph-fw"></i> {{ $ts.passwordMatched }}</span>
+				<span v-if="passwordRetypeState == 'not-match'" style="color: var(--error)"><i class="ph-warning ph-fw"></i> {{ $ts.passwordNotMatched }}</span>
 			</template>
 		</MkInput>
 		<MkSwitch v-if="meta.tosUrl" v-model="ToSAgreement" class="_formBlock tou">
diff --git a/packages/client/src/components/sub-note-content.vue b/packages/client/src/components/sub-note-content.vue
index d6a37d07b..16d0d9573 100644
--- a/packages/client/src/components/sub-note-content.vue
+++ b/packages/client/src/components/sub-note-content.vue
@@ -3,7 +3,7 @@
 	<div class="body">
 		<span v-if="note.isHidden" style="opacity: 0.5">({{ $ts.private }})</span>
 		<span v-if="note.deletedAt" style="opacity: 0.5">({{ $ts.deleted }})</span>
-		<MkA v-if="note.replyId" class="reply" :to="`/notes/${note.replyId}`"><i class="fas fa-reply"></i></MkA>
+		<MkA v-if="note.replyId" class="reply" :to="`/notes/${note.replyId}`"><i class="ph-arrow-bend-up-left"></i></MkA>
 		<Mfm v-if="note.text" :text="note.text" :author="note.user" :i="$i" :custom-emojis="note.emojis"/>
 		<MkA v-if="note.renoteId" class="rp" :to="`/notes/${note.renoteId}`">RN: ...</MkA>
 	</div>
diff --git a/packages/client/src/components/ui/container.vue b/packages/client/src/components/ui/container.vue
index 7c595d811..8965aeb91 100644
--- a/packages/client/src/components/ui/container.vue
+++ b/packages/client/src/components/ui/container.vue
@@ -5,8 +5,8 @@
 		<div class="sub">
 			<slot name="func"></slot>
 			<button v-if="foldable" class="_button" @click="() => showBody = !showBody">
-				<template v-if="showBody"><i class="fas fa-angle-up"></i></template>
-				<template v-else><i class="fas fa-angle-down"></i></template>
+				<template v-if="showBody"><i class="ph-caret-up"></i></template>
+				<template v-else><i class="ph-caret-down"></i></template>
 			</button>
 		</div>
 	</header>
diff --git a/packages/client/src/components/ui/folder.vue b/packages/client/src/components/ui/folder.vue
index 7daa82cbd..a62841690 100644
--- a/packages/client/src/components/ui/folder.vue
+++ b/packages/client/src/components/ui/folder.vue
@@ -4,8 +4,8 @@
 		<div class="title"><slot name="header"></slot></div>
 		<div class="divider"></div>
 		<button class="_button">
-			<template v-if="showBody"><i class="fas fa-angle-up"></i></template>
-			<template v-else><i class="fas fa-angle-down"></i></template>
+			<template v-if="showBody"><i class="ph-caret-up"></i></template>
+			<template v-else><i class="ph-caret-down"></i></template>
 		</button>
 	</header>
 	<transition :name="$store.state.animation ? 'folder-toggle' : ''"
diff --git a/packages/client/src/components/ui/info.vue b/packages/client/src/components/ui/info.vue
index 8f5986baf..dceb241bb 100644
--- a/packages/client/src/components/ui/info.vue
+++ b/packages/client/src/components/ui/info.vue
@@ -1,7 +1,7 @@
 <template>
 <div class="fpezltsf" :class="{ warn }">
-	<i v-if="warn" class="fas fa-exclamation-triangle"></i>
-	<i v-else class="fas fa-info-circle"></i>
+	<i v-if="warn" class="ph-warning"></i>
+	<i v-else class="ph-info"></i>
 	<slot></slot>
 </div>
 </template>
diff --git a/packages/client/src/components/ui/menu.vue b/packages/client/src/components/ui/menu.vue
index dad5dfa8b..1ca3355bd 100644
--- a/packages/client/src/components/ui/menu.vue
+++ b/packages/client/src/components/ui/menu.vue
@@ -15,13 +15,13 @@
 			<span><MkEllipsis/></span>
 		</span>
 		<MkA v-else-if="item.type === 'link'" :to="item.to" :tabindex="i" class="_button item" @click.passive="close()">
-			<i v-if="item.icon" class="fa-fw" :class="item.icon"></i>
+			<i v-if="item.icon" class="ph-fw" :class="item.icon"></i>
 			<MkAvatar v-if="item.avatar" :user="item.avatar" class="avatar"/>
 			<span>{{ item.text }}</span>
 			<span v-if="item.indicate" class="indicator"><i class="fas fa-circle"></i></span>
 		</MkA>
 		<a v-else-if="item.type === 'a'" :href="item.href" :target="item.target" :download="item.download" :tabindex="i" class="_button item" @click="close()">
-			<i v-if="item.icon" class="fa-fw" :class="item.icon"></i>
+			<i v-if="item.icon" class="ph-fw" :class="item.icon"></i>
 			<span>{{ item.text }}</span>
 			<span v-if="item.indicate" class="indicator"><i class="fas fa-circle"></i></span>
 		</a>
@@ -33,7 +33,7 @@
 			<FormSwitch v-model="item.ref" :disabled="item.disabled" class="form-switch">{{ item.text }}</FormSwitch>
 		</span>
 		<button v-else :tabindex="i" class="_button item" :class="{ danger: item.danger, active: item.active }" :disabled="item.active" @click="clicked(item.action, $event)">
-			<i v-if="item.icon" class="fa-fw" :class="item.icon"></i>
+			<i v-if="item.icon" class="ph-fw" :class="item.icon"></i>
 			<MkAvatar v-if="item.avatar" :user="item.avatar" class="avatar"/>
 			<span>{{ item.text }}</span>
 			<span v-if="item.indicate" class="indicator"><i class="fas fa-circle"></i></span>
diff --git a/packages/client/src/components/ui/modal-window.vue b/packages/client/src/components/ui/modal-window.vue
index d2b2ccff7..057229f5d 100644
--- a/packages/client/src/components/ui/modal-window.vue
+++ b/packages/client/src/components/ui/modal-window.vue
@@ -7,7 +7,7 @@
 				<slot name="header"></slot>
 			</span>
 			<button v-if="!withOkButton" class="_button" @click="$emit('close')"><i class="fas fa-times"></i></button>
-			<button v-if="withOkButton" class="_button" :disabled="okButtonDisabled" @click="$emit('ok')"><i class="fas fa-check"></i></button>
+			<button v-if="withOkButton" class="_button" :disabled="okButtonDisabled" @click="$emit('ok')"><i class="ph-check"></i></button>
 		</div>
 		<div v-if="padding" class="body">
 			<div class="_section">
diff --git a/packages/client/src/components/ui/super-menu.vue b/packages/client/src/components/ui/super-menu.vue
index 78f524036..46a1be390 100644
--- a/packages/client/src/components/ui/super-menu.vue
+++ b/packages/client/src/components/ui/super-menu.vue
@@ -6,15 +6,15 @@
 		<div class="items">
 			<template v-for="(item, i) in group.items">
 				<a v-if="item.type === 'a'" :href="item.href" :target="item.target" :tabindex="i" class="_button item" :class="{ danger: item.danger, active: item.active }">
-					<i v-if="item.icon" class="icon fa-fw" :class="item.icon"></i>
+					<i v-if="item.icon" class="icon ph-fw" :class="item.icon"></i>
 					<span class="text">{{ item.text }}</span>
 				</a>
 				<button v-else-if="item.type === 'button'" :tabindex="i" class="_button item" :class="{ danger: item.danger, active: item.active }" :disabled="item.active" @click="ev => item.action(ev)">
-					<i v-if="item.icon" class="icon fa-fw" :class="item.icon"></i>
+					<i v-if="item.icon" class="icon ph-fw" :class="item.icon"></i>
 					<span class="text">{{ item.text }}</span>
 				</button>
 				<MkA v-else :to="item.to" :tabindex="i" class="_button item" :class="{ danger: item.danger, active: item.active }">
-					<i v-if="item.icon" class="icon fa-fw" :class="item.icon"></i>
+					<i v-if="item.icon" class="icon ph-fw" :class="item.icon"></i>
 					<span class="text">{{ item.text }}</span>
 				</MkA>
 			</template>
diff --git a/packages/client/src/components/visibility-picker.vue b/packages/client/src/components/visibility-picker.vue
index c717c3a46..a2b64b52e 100644
--- a/packages/client/src/components/visibility-picker.vue
+++ b/packages/client/src/components/visibility-picker.vue
@@ -2,7 +2,7 @@
 <MkModal ref="modal" :z-priority="'high'" :src="src" @click="modal.close()" @closed="emit('closed')">
 	<div class="gqyayizv _popup">
 		<button key="public" class="_button" :class="{ active: v === 'public' }" data-index="1" @click="choose('public')">
-			<div><i class="fas fa-globe"></i></div>
+			<div><i class="ph-globe"></i></div>
 			<div>
 				<span>{{ $ts._visibility.public }}</span>
 				<span>{{ $ts._visibility.publicDescription }}</span>
@@ -23,7 +23,7 @@
 			</div>
 		</button>
 		<button key="specified" :disabled="localOnly" class="_button" :class="{ active: v === 'specified' }" data-index="4" @click="choose('specified')">
-			<div><i class="fas fa-envelope"></i></div>
+			<div><i class="ph-envelope-simple"></i></div>
 			<div>
 				<span>{{ $ts._visibility.specified }}</span>
 				<span>{{ $ts._visibility.specifiedDescription }}</span>
diff --git a/packages/client/src/components/waiting-dialog.vue b/packages/client/src/components/waiting-dialog.vue
index 9e631b55b..0836785c0 100644
--- a/packages/client/src/components/waiting-dialog.vue
+++ b/packages/client/src/components/waiting-dialog.vue
@@ -1,7 +1,7 @@
 <template>
 <MkModal ref="modal" :prefer-type="'dialog'" :z-priority="'high'" @click="success ? done() : () => {}" @closed="emit('closed')">
 	<div class="iuyakobc" :class="{ iconOnly: (text == null) || success }">
-		<i v-if="success" class="fas fa-check icon success"></i>
+		<i v-if="success" class="ph-check icon success"></i>
 		<i v-else class="fas fa-spinner fa-pulse icon waiting"></i>
 		<div v-if="text && !success" class="text">{{ text }}<MkEllipsis/></div>
 	</div>
diff --git a/packages/client/src/components/widgets.vue b/packages/client/src/components/widgets.vue
index 74dd79f73..5f7c5069b 100644
--- a/packages/client/src/components/widgets.vue
+++ b/packages/client/src/components/widgets.vue
@@ -6,7 +6,7 @@
 				<template #label>{{ $ts.selectWidget }}</template>
 				<option v-for="widget in widgetDefs" :key="widget" :value="widget">{{ $t(`_widgets.${widget}`) }}</option>
 			</MkSelect>
-			<MkButton inline primary class="mk-widget-add" @click="addWidget"><i class="fas fa-plus"></i> {{ $ts.add }}</MkButton>
+			<MkButton inline primary class="mk-widget-add" @click="addWidget"><i class="ph-plus"></i> {{ $ts.add }}</MkButton>
 			<MkButton inline @click="$emit('exit')">{{ $ts.close }}</MkButton>
 		</header>
 		<XDraggable
@@ -17,7 +17,7 @@
 		>
 			<template #item="{element}">
 				<div class="customize-container">
-					<button class="config _button" @click.prevent.stop="configWidget(element.id)"><i class="fas fa-cog"></i></button>
+					<button class="config _button" @click.prevent.stop="configWidget(element.id)"><i class="ph-gear"></i></button>
 					<button class="remove _button" @click.prevent.stop="removeWidget(element)"><i class="fas fa-times"></i></button>
 					<component :is="`mkw-${element.name}`" :ref="el => widgetRefs[element.id] = el" class="handle" :widget="element" @updateProps="updateWidget(element.id, $event)"/>
 				</div>
diff --git a/packages/client/src/menu.ts b/packages/client/src/menu.ts
index ebc789810..f76260078 100644
--- a/packages/client/src/menu.ts
+++ b/packages/client/src/menu.ts
@@ -10,55 +10,55 @@ import { router } from './router';
 export const menuDef = reactive({
 	notifications: {
 		title: 'notifications',
-		icon: 'fas fa-bell',
+		icon: 'ph-bell',
 		show: computed(() => $i != null),
 		indicated: computed(() => $i != null && $i.hasUnreadNotification),
 		to: '/my/notifications',
 	},
 	messaging: {
 		title: 'messaging',
-		icon: 'fas fa-comments',
+		icon: 'ph-chats-circle',
 		show: computed(() => $i != null),
 		indicated: computed(() => $i != null && $i.hasUnreadMessagingMessage),
 		to: '/my/messaging',
 	},
 	drive: {
 		title: 'drive',
-		icon: 'fas fa-cloud',
+		icon: 'ph-cloud',
 		show: computed(() => $i != null),
 		to: '/my/drive',
 	},
 	followRequests: {
 		title: 'followRequests',
-		icon: 'fas fa-user-clock',
+		icon: 'ph-user-plus',
 		show: computed(() => $i != null && $i.isLocked),
 		indicated: computed(() => $i != null && $i.hasPendingReceivedFollowRequest),
 		to: '/my/follow-requests',
 	},
 	featured: {
 		title: 'featured',
-		icon: 'fas fa-fire-alt',
+		icon: 'ph-fire',
 		to: '/featured',
 	},
 	explore: {
 		title: 'explore',
-		icon: 'fas fa-hashtag',
+		icon: 'ph-hash',
 		to: '/explore',
 	},
 	announcements: {
 		title: 'announcements',
-		icon: 'fas fa-broadcast-tower',
+		icon: 'ph-megaphone',
 		indicated: computed(() => $i != null && $i.hasUnreadAnnouncement),
 		to: '/announcements',
 	},
 	search: {
 		title: 'search',
-		icon: 'fas fa-search',
+		icon: 'ph-magnifying-glass',
 		action: () => search(),
 	},
 	lists: {
 		title: 'lists',
-		icon: 'fas fa-list-ul',
+		icon: 'ph-list-bullets',
 		show: computed(() => $i != null),
 		active: computed(() => router.currentRoute.value.path.startsWith('/timeline/list/') || router.currentRoute.value.path === '/my/lists' || router.currentRoute.value.path.startsWith('/my/lists/')),
 		action: (ev) => {
@@ -74,7 +74,7 @@ export const menuDef = reactive({
 					type: 'link',
 					to: '/my/lists',
 					text: i18n.ts.manageLists,
-					icon: 'fas fa-cog',
+					icon: 'ph-gear',
 				}];
 				items.value = _items;
 			});
@@ -83,13 +83,13 @@ export const menuDef = reactive({
 	},
 	groups: {
 		title: 'groups',
-		icon: 'fas fa-users',
+		icon: 'ph-users-three',
 		show: computed(() => $i != null),
 		to: '/my/groups',
 	},
 	antennas: {
 		title: 'antennas',
-		icon: 'fas fa-satellite',
+		icon: 'ph-cell-signal-full',
 		show: computed(() => $i != null),
 		active: computed(() => router.currentRoute.value.path.startsWith('/timeline/antenna/') || router.currentRoute.value.path === '/my/antennas' || router.currentRoute.value.path.startsWith('/my/antennas/')),
 		action: (ev) => {
@@ -105,7 +105,7 @@ export const menuDef = reactive({
 					type: 'link',
 					to: '/my/antennas',
 					text: i18n.ts.manageAntennas,
-					icon: 'fas fa-cog',
+					icon: 'ph-gear',
 				}];
 				items.value = _items;
 			});
@@ -114,63 +114,63 @@ export const menuDef = reactive({
 	},
 	mentions: {
 		title: 'mentions',
-		icon: 'fas fa-at',
+		icon: 'ph-at',
 		show: computed(() => $i != null),
 		indicated: computed(() => $i != null && $i.hasUnreadMentions),
 		to: '/my/mentions',
 	},
 	messages: {
 		title: 'directNotes',
-		icon: 'fas fa-envelope',
+		icon: 'ph-envelope-simple',
 		show: computed(() => $i != null),
 		indicated: computed(() => $i != null && $i.hasUnreadSpecifiedNotes),
 		to: '/my/messages',
 	},
 	favorites: {
 		title: 'favorites',
-		icon: 'fas fa-star',
+		icon: 'ph-star',
 		show: computed(() => $i != null),
 		to: '/my/favorites',
 	},
 	pages: {
 		title: 'pages',
-		icon: 'fas fa-file-alt',
+		icon: 'ph-file-text',
 		to: '/pages',
 	},
 	gallery: {
 		title: 'gallery',
-		icon: 'fas fa-icons',
+		icon: 'ph-image',
 		to: '/gallery',
 	},
 	clips: {
 		title: 'clip',
-		icon: 'fas fa-paperclip',
+		icon: 'ph-paperclip',
 		show: computed(() => $i != null),
 		to: '/my/clips',
 	},
 	channels: {
 		title: 'channel',
-		icon: 'fas fa-satellite-dish',
+		icon: 'ph-television',
 		to: '/channels',
 	},
 	federation: {
 		title: 'federation',
-		icon: 'fas fa-globe',
+		icon: 'ph-globe',
 		to: '/federation',
 	},
 	emojis: {
 		title: 'emojis',
-		icon: 'fas fa-laugh',
+		icon: 'ph-smiley',
 		to: '/emojis',
 	},
 	scratchpad: {
 		title: 'scratchpad',
-		icon: 'fas fa-terminal',
+		icon: 'ph-terminal',
 		to: '/scratchpad',
 	},
 	ui: {
 		title: 'switchUi',
-		icon: 'fas fa-columns',
+		icon: 'ph-layout',
 		action: (ev) => {
 			os.popupMenu([{
 				text: i18n.ts.default,
diff --git a/packages/client/src/pages/_error_.vue b/packages/client/src/pages/_error_.vue
index 4cfe2e255..5a6735eb9 100644
--- a/packages/client/src/pages/_error_.vue
+++ b/packages/client/src/pages/_error_.vue
@@ -3,7 +3,7 @@
 <transition :name="$store.state.animation ? 'zoom' : ''" appear>
 	<div v-show="loaded" class="mjndxjch">
 		<img src="https://xn--931a.moe/assets/error.jpg" class="_ghost"/>
-		<p><b><i class="fas fa-exclamation-triangle"></i> {{ i18n.ts.pageLoadError }}</b></p>
+		<p><b><i class="ph-warning"></i> {{ i18n.ts.pageLoadError }}</b></p>
 		<p v-if="meta && (version === meta.version)">{{ i18n.ts.pageLoadErrorDescription }}</p>
 		<p v-else-if="serverIsDead">{{ i18n.ts.serverIsDead }}</p>
 		<template v-else>
@@ -55,7 +55,7 @@ function reload() {
 defineExpose({
 	[symbols.PAGE_INFO]: {
 		title: i18n.ts.error,
-		icon: 'fas fa-exclamation-triangle',
+		icon: 'ph-warning',
 	},
 });
 </script>
diff --git a/packages/client/src/pages/about.vue b/packages/client/src/pages/about.vue
index 6cc2e387e..8fdded64a 100644
--- a/packages/client/src/pages/about.vue
+++ b/packages/client/src/pages/about.vue
@@ -96,7 +96,7 @@ const initStats = () => os.api('stats', {
 defineExpose({
 	[symbols.PAGE_INFO]: computed(() => ({
 		title: i18n.ts.instanceInfo,
-		icon: 'fas fa-info-circle',
+		icon: 'ph-info',
 		bg: 'var(--bg)',
 		tabs: [{
 			active: tab === 'overview',
diff --git a/packages/client/src/pages/admin/ads.vue b/packages/client/src/pages/admin/ads.vue
index b18e08db9..368c6c08f 100644
--- a/packages/client/src/pages/admin/ads.vue
+++ b/packages/client/src/pages/admin/ads.vue
@@ -36,7 +36,7 @@
 			</MkTextarea>
 			<div class="buttons _formBlock">
 				<MkButton class="button" inline primary style="margin-right: 12px;" @click="save(ad)"><i class="fas fa-save"></i> {{ i18n.ts.save }}</MkButton>
-				<MkButton class="button" inline danger @click="remove(ad)"><i class="fas fa-trash-alt"></i> {{ i18n.ts.remove }}</MkButton>
+				<MkButton class="button" inline danger @click="remove(ad)"><i class="ph-trash"></i> {{ i18n.ts.remove }}</MkButton>
 			</div>
 		</div>
 	</div>
@@ -107,7 +107,7 @@ defineExpose({
 		bg: 'var(--bg)',
 		actions: [{
 			asFullButton: true,
-			icon: 'fas fa-plus',
+			icon: 'ph-plus',
 			text: i18n.ts.add,
 			handler: add,
 		}],
diff --git a/packages/client/src/pages/admin/announcements.vue b/packages/client/src/pages/admin/announcements.vue
index 97774975d..1a3ee78de 100644
--- a/packages/client/src/pages/admin/announcements.vue
+++ b/packages/client/src/pages/admin/announcements.vue
@@ -14,7 +14,7 @@
 			<p v-if="announcement.reads">{{ i18n.t('nUsersRead', { n: announcement.reads }) }}</p>
 			<div class="buttons">
 				<MkButton class="button" inline primary @click="save(announcement)"><i class="fas fa-save"></i> {{ i18n.ts.save }}</MkButton>
-				<MkButton class="button" inline @click="remove(announcement)"><i class="fas fa-trash-alt"></i> {{ i18n.ts.remove }}</MkButton>
+				<MkButton class="button" inline @click="remove(announcement)"><i class="ph-trash"></i> {{ i18n.ts.remove }}</MkButton>
 			</div>
 		</div>
 	</section>
@@ -87,11 +87,11 @@ function save(announcement) {
 defineExpose({
 	[symbols.PAGE_INFO]: {
 		title: i18n.ts.announcements,
-		icon: 'fas fa-broadcast-tower',
+		icon: 'ph-megaphone',
 		bg: 'var(--bg)',
 		actions: [{
 			asFullButton: true,
-			icon: 'fas fa-plus',
+			icon: 'ph-plus',
 			text: i18n.ts.add,
 			handler: add,
 		}],
diff --git a/packages/client/src/pages/admin/email-settings.vue b/packages/client/src/pages/admin/email-settings.vue
index aa1304319..340199632 100644
--- a/packages/client/src/pages/admin/email-settings.vue
+++ b/packages/client/src/pages/admin/email-settings.vue
@@ -105,7 +105,7 @@ function save() {
 defineExpose({
 	[symbols.PAGE_INFO]: {
 		title: i18n.ts.emailServer,
-		icon: 'fas fa-envelope',
+		icon: 'ph-envelope-simple',
 		bg: 'var(--bg)',
 		actions: [{
 			asFullButton: true,
@@ -113,7 +113,7 @@ defineExpose({
 			handler: testEmail,
 		}, {
 			asFullButton: true,
-			icon: 'fas fa-check',
+			icon: 'ph-check',
 			text: i18n.ts.save,
 			handler: save,
 		}],
diff --git a/packages/client/src/pages/admin/emoji-edit-dialog.vue b/packages/client/src/pages/admin/emoji-edit-dialog.vue
index d482fa49e..fc005387a 100644
--- a/packages/client/src/pages/admin/emoji-edit-dialog.vue
+++ b/packages/client/src/pages/admin/emoji-edit-dialog.vue
@@ -21,7 +21,7 @@
 				<template #label>{{ $ts.tags }}</template>
 				<template #caption>{{ $ts.setMultipleBySeparatingWithSpace }}</template>
 			</MkInput>
-			<MkButton danger @click="del()"><i class="fas fa-trash-alt"></i> {{ $ts.delete }}</MkButton>
+			<MkButton danger @click="del()"><i class="ph-trash"></i> {{ $ts.delete }}</MkButton>
 		</div>
 	</div>
 </XModalWindow>
diff --git a/packages/client/src/pages/admin/emojis.vue b/packages/client/src/pages/admin/emojis.vue
index 8ca5b3d65..45e154e4b 100644
--- a/packages/client/src/pages/admin/emojis.vue
+++ b/packages/client/src/pages/admin/emojis.vue
@@ -3,7 +3,7 @@
 	<div class="ogwlenmc">
 		<div v-if="tab === 'local'" class="local">
 			<MkInput v-model="query" :debounce="true" type="search">
-				<template #prefix><i class="fas fa-search"></i></template>
+				<template #prefix><i class="ph-magnifying-glass"></i></template>
 				<template #label>{{ $ts.search }}</template>
 			</MkInput>
 			<MkSwitch v-model="selectMode" style="margin: 8px 0;">
@@ -36,7 +36,7 @@
 		<div v-else-if="tab === 'remote'" class="remote">
 			<FormSplit>
 				<MkInput v-model="queryRemote" :debounce="true" type="search">
-					<template #prefix><i class="fas fa-search"></i></template>
+					<template #prefix><i class="ph-magnifying-glass"></i></template>
 					<template #label>{{ $ts.search }}</template>
 				</MkInput>
 				<MkInput v-model="host" :debounce="true">
@@ -158,14 +158,14 @@ const remoteMenu = (emoji, ev: MouseEvent) => {
 		text: ':' + emoji.name + ':',
 	}, {
 		text: i18n.ts.import,
-		icon: 'fas fa-plus',
+		icon: 'ph-plus',
 		action: () => { im(emoji); }
 	}], ev.currentTarget ?? ev.target);
 };
 
 const menu = (ev: MouseEvent) => {
 	os.popupMenu([{
-		icon: 'fas fa-download',
+		icon: 'ph-download-simple',
 		text: i18n.ts.export,
 		action: async () => {
 			os.api('export-custom-emojis', {
@@ -268,11 +268,11 @@ const delBulk = async () => {
 defineExpose({
 	[symbols.PAGE_INFO]: computed(() => ({
 		title: i18n.ts.customEmojis,
-		icon: 'fas fa-laugh',
+		icon: 'ph-smiley',
 		bg: 'var(--bg)',
 		actions: [{
 			asFullButton: true,
-			icon: 'fas fa-plus',
+			icon: 'ph-plus',
 			text: i18n.ts.addEmoji,
 			handler: add,
 		}, {
diff --git a/packages/client/src/pages/admin/file-dialog.vue b/packages/client/src/pages/admin/file-dialog.vue
index 0765548aa..3dc15459e 100644
--- a/packages/client/src/pages/admin/file-dialog.vue
+++ b/packages/client/src/pages/admin/file-dialog.vue
@@ -22,7 +22,7 @@
 		<div class="_section">
 			<div class="_content">
 				<MkButton full @click="showUser"><i class="fas fa-external-link-square-alt"></i> {{ $ts.user }}</MkButton>
-				<MkButton full danger @click="del"><i class="fas fa-trash-alt"></i> {{ $ts.delete }}</MkButton>
+				<MkButton full danger @click="del"><i class="ph-trash"></i> {{ $ts.delete }}</MkButton>
 			</div>
 		</div>
 		<div v-if="info" class="_section">
diff --git a/packages/client/src/pages/admin/files.vue b/packages/client/src/pages/admin/files.vue
index 6f43c2b7b..a2912752a 100644
--- a/packages/client/src/pages/admin/files.vue
+++ b/packages/client/src/pages/admin/files.vue
@@ -109,15 +109,15 @@ async function find() {
 defineExpose({
 	[symbols.PAGE_INFO]: computed(() => ({
 		title: i18n.ts.files,
-		icon: 'fas fa-cloud',
+		icon: 'ph-cloud',
 		bg: 'var(--bg)',
 		actions: [{
 			text: i18n.ts.lookup,
-			icon: 'fas fa-search',
+			icon: 'ph-magnifying-glass',
 			handler: find,
 		}, {
 			text: i18n.ts.clearCachedFiles,
-			icon: 'fas fa-trash-alt',
+			icon: 'ph-trash',
 			handler: clear,
 		}],
 	})),
diff --git a/packages/client/src/pages/admin/index.vue b/packages/client/src/pages/admin/index.vue
index 9b7fa5678..6aa7aefe0 100644
--- a/packages/client/src/pages/admin/index.vue
+++ b/packages/client/src/pages/admin/index.vue
@@ -43,7 +43,7 @@ const nav = new MisskeyNavigator();
 
 const indexInfo = {
 	title: i18n.ts.controlPanel,
-	icon: 'fas fa-cog',
+	icon: 'ph-gear',
 	bg: 'var(--bg)',
 	hideHeader: true,
 };
@@ -74,7 +74,7 @@ const menuDef = $computed(() => [{
 	title: i18n.ts.quickAction,
 	items: [{
 		type: 'button',
-		icon: 'fas fa-search',
+		icon: 'ph-magnifying-glass',
 		text: i18n.ts.lookup,
 		action: lookup,
 	}, ...(instance.disableRegistration ? [{
@@ -91,17 +91,17 @@ const menuDef = $computed(() => [{
 		to: '/admin/overview',
 		active: props.initialPage === 'overview',
 	}, {
-		icon: 'fas fa-users',
+		icon: 'ph-users-three',
 		text: i18n.ts.users,
 		to: '/admin/users',
 		active: props.initialPage === 'users',
 	}, {
-		icon: 'fas fa-laugh',
+		icon: 'ph-smiley',
 		text: i18n.ts.customEmojis,
 		to: '/admin/emojis',
 		active: props.initialPage === 'emojis',
 	}, {
-		icon: 'fas fa-globe',
+		icon: 'ph-globe',
 		text: i18n.ts.federation,
 		to: '/admin/federation',
 		active: props.initialPage === 'federation',
@@ -111,12 +111,12 @@ const menuDef = $computed(() => [{
 		to: '/admin/queue',
 		active: props.initialPage === 'queue',
 	}, {
-		icon: 'fas fa-cloud',
+		icon: 'ph-cloud',
 		text: i18n.ts.files,
 		to: '/admin/files',
 		active: props.initialPage === 'files',
 	}, {
-		icon: 'fas fa-broadcast-tower',
+		icon: 'ph-megaphone',
 		text: i18n.ts.announcements,
 		to: '/admin/announcements',
 		active: props.initialPage === 'announcements',
@@ -134,27 +134,27 @@ const menuDef = $computed(() => [{
 }, {
 	title: i18n.ts.settings,
 	items: [{
-		icon: 'fas fa-cog',
+		icon: 'ph-gear',
 		text: i18n.ts.general,
 		to: '/admin/settings',
 		active: props.initialPage === 'settings',
 	}, {
-		icon: 'fas fa-envelope',
+		icon: 'ph-envelope-simple',
 		text: i18n.ts.emailServer,
 		to: '/admin/email-settings',
 		active: props.initialPage === 'email-settings',
 	}, {
-		icon: 'fas fa-cloud',
+		icon: 'ph-cloud',
 		text: i18n.ts.objectStorage,
 		to: '/admin/object-storage',
 		active: props.initialPage === 'object-storage',
 	}, {
-		icon: 'fas fa-lock',
+		icon: 'ph-lock',
 		text: i18n.ts.security,
 		to: '/admin/security',
 		active: props.initialPage === 'security',
 	}, {
-		icon: 'fas fa-globe',
+		icon: 'ph-globe',
 		text: i18n.ts.relays,
 		to: '/admin/relays',
 		active: props.initialPage === 'relays',
@@ -174,7 +174,7 @@ const menuDef = $computed(() => [{
 		to: '/admin/proxy-account',
 		active: props.initialPage === 'proxy-account',
 	}, {
-		icon: 'fas fa-cogs',
+		icon: 'ph-gears',
 		text: i18n.ts.other,
 		to: '/admin/other-settings',
 		active: props.initialPage === 'other-settings',
@@ -282,19 +282,19 @@ const lookup = (ev) => {
 		}
 	}, {
 		text: i18n.ts.note,
-		icon: 'fas fa-pencil-alt',
+		icon: 'ph-pencil',
 		action: () => {
 			alert('TODO');
 		}
 	}, {
 		text: i18n.ts.file,
-		icon: 'fas fa-cloud',
+		icon: 'ph-cloud',
 		action: () => {
 			alert('TODO');
 		}
 	}, {
 		text: i18n.ts.instance,
-		icon: 'fas fa-globe',
+		icon: 'ph-globe',
 		action: () => {
 			alert('TODO');
 		}
diff --git a/packages/client/src/pages/admin/object-storage.vue b/packages/client/src/pages/admin/object-storage.vue
index d109db9c3..f6b40b490 100644
--- a/packages/client/src/pages/admin/object-storage.vue
+++ b/packages/client/src/pages/admin/object-storage.vue
@@ -132,11 +132,11 @@ function save() {
 defineExpose({
   [symbols.PAGE_INFO]: {
 		title: i18n.ts.objectStorage,
-		icon: 'fas fa-cloud',
+		icon: 'ph-cloud',
 		bg: 'var(--bg)',
 		actions: [{
 			asFullButton: true,
-			icon: 'fas fa-check',
+			icon: 'ph-check',
 			text: i18n.ts.save,
 			handler: save,
 		}],
diff --git a/packages/client/src/pages/admin/other-settings.vue b/packages/client/src/pages/admin/other-settings.vue
index 552b05f34..930885d8d 100644
--- a/packages/client/src/pages/admin/other-settings.vue
+++ b/packages/client/src/pages/admin/other-settings.vue
@@ -27,11 +27,11 @@ function save() {
 defineExpose({
   [symbols.PAGE_INFO]: {
 		title: i18n.ts.other,
-		icon: 'fas fa-cogs',
+		icon: 'ph-gears',
 		bg: 'var(--bg)',
 		actions: [{
 			asFullButton: true,
-			icon: 'fas fa-check',
+			icon: 'ph-check',
 			text: i18n.ts.save,
 			handler: save,
 		}],
diff --git a/packages/client/src/pages/admin/overview.vue b/packages/client/src/pages/admin/overview.vue
index cc69424c3..b535378e0 100644
--- a/packages/client/src/pages/admin/overview.vue
+++ b/packages/client/src/pages/admin/overview.vue
@@ -38,7 +38,7 @@
 		<!--<XMetrics/>-->
 
 	<MkFolder style="margin: var(--margin)">
-		<template #header><i class="fas fa-info-circle"></i> {{ i18n.ts.info }}</template>
+		<template #header><i class="ph-info"></i> {{ i18n.ts.info }}</template>
 		<div class="cfcdecdf">
 			<div class="number _panel">
 				<div class="label">Misskey</div>
diff --git a/packages/client/src/pages/admin/queue.vue b/packages/client/src/pages/admin/queue.vue
index 656b18199..b6006b8a7 100644
--- a/packages/client/src/pages/admin/queue.vue
+++ b/packages/client/src/pages/admin/queue.vue
@@ -6,7 +6,7 @@
 	<XQueue :connection="connection" domain="deliver">
 		<template #title>Out</template>
 	</XQueue>
-	<MkButton danger @click="clear()"><i class="fas fa-trash-alt"></i> {{ i18n.ts.clearQueue }}</MkButton>
+	<MkButton danger @click="clear()"><i class="ph-trash"></i> {{ i18n.ts.clearQueue }}</MkButton>
 </MkSpacer>
 </template>
 
diff --git a/packages/client/src/pages/admin/relays.vue b/packages/client/src/pages/admin/relays.vue
index 1a36bb475..cc3d3dd1b 100644
--- a/packages/client/src/pages/admin/relays.vue
+++ b/packages/client/src/pages/admin/relays.vue
@@ -3,12 +3,12 @@
 	<div v-for="relay in relays" :key="relay.inbox" class="relaycxt _panel _block" style="padding: 16px;">
 		<div>{{ relay.inbox }}</div>
 		<div class="status">
-			<i v-if="relay.status === 'accepted'" class="fas fa-check icon accepted"></i>
+			<i v-if="relay.status === 'accepted'" class="ph-check icon accepted"></i>
 			<i v-else-if="relay.status === 'rejected'" class="fas fa-ban icon rejected"></i>
 			<i v-else class="fas fa-clock icon requesting"></i>
 			<span>{{ $t(`_relayStatus.${relay.status}`) }}</span>
 		</div>
-		<MkButton class="button" inline danger @click="remove(relay.inbox)"><i class="fas fa-trash-alt"></i> {{ i18n.ts.remove }}</MkButton>
+		<MkButton class="button" inline danger @click="remove(relay.inbox)"><i class="ph-trash"></i> {{ i18n.ts.remove }}</MkButton>
 	</div>
 </MkSpacer>
 </template>
@@ -65,11 +65,11 @@ refresh();
 defineExpose({
 	[symbols.PAGE_INFO]: {
 		title: i18n.ts.relays,
-		icon: 'fas fa-globe',
+		icon: 'ph-globe',
 		bg: 'var(--bg)',
 		actions: [{
 			asFullButton: true,
-			icon: 'fas fa-plus',
+			icon: 'ph-plus',
 			text: i18n.ts.addRelay,
 			handler: addRelay,
 		}],
diff --git a/packages/client/src/pages/admin/security.vue b/packages/client/src/pages/admin/security.vue
index 6b8f70cca..38b0e2bd1 100644
--- a/packages/client/src/pages/admin/security.vue
+++ b/packages/client/src/pages/admin/security.vue
@@ -17,7 +17,7 @@
 
 				<div class="_formRoot">
 					<FormInput v-model="summalyProxy" class="_formBlock">
-						<template #prefix><i class="fas fa-link"></i></template>
+						<template #prefix><i class="ph-link"></i></template>
 						<template #label>Summaly Proxy URL</template>
 					</FormInput>
 
@@ -66,7 +66,7 @@ function save() {
 defineExpose({
 	[symbols.PAGE_INFO]: {
 		title: i18n.ts.security,
-		icon: 'fas fa-lock',
+		icon: 'ph-lock',
 		bg: 'var(--bg)',
 	}
 });
diff --git a/packages/client/src/pages/admin/settings.vue b/packages/client/src/pages/admin/settings.vue
index 6dc30fe50..bd0d981bf 100644
--- a/packages/client/src/pages/admin/settings.vue
+++ b/packages/client/src/pages/admin/settings.vue
@@ -11,7 +11,7 @@
 			</FormTextarea>
 
 			<FormInput v-model="tosUrl" class="_formBlock">
-				<template #prefix><i class="fas fa-link"></i></template>
+				<template #prefix><i class="ph-link"></i></template>
 				<template #label>{{ i18n.ts.tosUrl }}</template>
 			</FormInput>
 
@@ -21,7 +21,7 @@
 				</FormInput>
 
 				<FormInput v-model="maintainerEmail" type="email" class="_formBlock">
-					<template #prefix><i class="fas fa-envelope"></i></template>
+					<template #prefix><i class="ph-envelope-simple"></i></template>
 					<template #label>{{ i18n.ts.maintainerEmail }}</template>
 				</FormInput>
 			</FormSplit>
@@ -51,17 +51,17 @@
 				<template #label>{{ i18n.ts.theme }}</template>
 
 				<FormInput v-model="iconUrl" class="_formBlock">
-					<template #prefix><i class="fas fa-link"></i></template>
+					<template #prefix><i class="ph-link"></i></template>
 					<template #label>{{ i18n.ts.iconUrl }}</template>
 				</FormInput>
 
 				<FormInput v-model="bannerUrl" class="_formBlock">
-					<template #prefix><i class="fas fa-link"></i></template>
+					<template #prefix><i class="ph-link"></i></template>
 					<template #label>{{ i18n.ts.bannerUrl }}</template>
 				</FormInput>
 
 				<FormInput v-model="backgroundImageUrl" class="_formBlock">
-					<template #prefix><i class="fas fa-link"></i></template>
+					<template #prefix><i class="ph-link"></i></template>
 					<template #label>{{ i18n.ts.backgroundImageUrl }}</template>
 				</FormInput>
 
@@ -243,11 +243,11 @@ function save() {
 defineExpose({
 	[symbols.PAGE_INFO]: {
 		title: i18n.ts.general,
-		icon: 'fas fa-cog',
+		icon: 'ph-gear',
 		bg: 'var(--bg)',
 		actions: [{
 			asFullButton: true,
-			icon: 'fas fa-check',
+			icon: 'ph-check',
 			text: i18n.ts.save,
 			handler: save,
 		}],
diff --git a/packages/client/src/pages/admin/users.vue b/packages/client/src/pages/admin/users.vue
index f05aa5ff4..f97ddd16d 100644
--- a/packages/client/src/pages/admin/users.vue
+++ b/packages/client/src/pages/admin/users.vue
@@ -125,20 +125,20 @@ function show(user) {
 defineExpose({
 	[symbols.PAGE_INFO]: computed(() => ({
 		title: i18n.ts.users,
-		icon: 'fas fa-users',
+		icon: 'ph-users-three',
 		bg: 'var(--bg)',
 		actions: [{
-			icon: 'fas fa-search',
+			icon: 'ph-magnifying-glass',
 			text: i18n.ts.search,
 			handler: searchUser
 		}, {
 			asFullButton: true,
-			icon: 'fas fa-plus',
+			icon: 'ph-plus',
 			text: i18n.ts.addUser,
 			handler: addUser
 		}, {
 			asFullButton: true,
-			icon: 'fas fa-search',
+			icon: 'ph-magnifying-glass',
 			text: i18n.ts.lookup,
 			handler: lookupUser
 		}],
diff --git a/packages/client/src/pages/announcements.vue b/packages/client/src/pages/announcements.vue
index 53727823a..5e5a8aa38 100644
--- a/packages/client/src/pages/announcements.vue
+++ b/packages/client/src/pages/announcements.vue
@@ -8,7 +8,7 @@
 				<img v-if="announcement.imageUrl" :src="announcement.imageUrl"/>
 			</div>
 			<div v-if="$i && !announcement.isRead" class="_footer">
-				<MkButton primary @click="read(items, announcement, i)"><i class="fas fa-check"></i> {{ $ts.gotIt }}</MkButton>
+				<MkButton primary @click="read(items, announcement, i)"><i class="ph-check"></i> {{ $ts.gotIt }}</MkButton>
 			</div>
 		</section>
 	</MkPagination>
@@ -32,7 +32,7 @@ export default defineComponent({
 		return {
 			[symbols.PAGE_INFO]: {
 				title: this.$ts.announcements,
-				icon: 'fas fa-broadcast-tower',
+				icon: 'ph-megaphone',
 				bg: 'var(--bg)',
 			},
 			pagination: {
diff --git a/packages/client/src/pages/antenna-timeline.vue b/packages/client/src/pages/antenna-timeline.vue
index c38f28572..d25bf2c17 100644
--- a/packages/client/src/pages/antenna-timeline.vue
+++ b/packages/client/src/pages/antenna-timeline.vue
@@ -38,14 +38,14 @@ export default defineComponent({
 			queue: 0,
 			[symbols.PAGE_INFO]: computed(() => this.antenna ? {
 				title: this.antenna.name,
-				icon: 'fas fa-satellite',
+				icon: 'ph-cell-signal-full',
 				bg: 'var(--bg)',
 				actions: [{
 					icon: 'fas fa-calendar-alt',
 					text: this.$ts.jumpToSpecifiedDate,
 					handler: this.timetravel
 				}, {
-					icon: 'fas fa-cog',
+					icon: 'ph-gear',
 					text: this.$ts.settings,
 					handler: this.settings
 				}],
diff --git a/packages/client/src/pages/api-console.vue b/packages/client/src/pages/api-console.vue
index 88acbcd3a..df3919c7b 100644
--- a/packages/client/src/pages/api-console.vue
+++ b/packages/client/src/pages/api-console.vue
@@ -78,7 +78,7 @@ function onEndpointChange() {
 defineExpose({
 	[symbols.PAGE_INFO]: {
 		title: 'API console',
-		icon: 'fas fa-terminal'
+		icon: 'ph-terminal'
 	},
 });
 </script>
diff --git a/packages/client/src/pages/channel-editor.vue b/packages/client/src/pages/channel-editor.vue
index ea3a5dab7..bb3ec9a8d 100644
--- a/packages/client/src/pages/channel-editor.vue
+++ b/packages/client/src/pages/channel-editor.vue
@@ -10,10 +10,10 @@
 		</MkTextarea>
 
 		<div class="banner">
-			<MkButton v-if="bannerId == null" @click="setBannerImage"><i class="fas fa-plus"></i> {{ $ts._channel.setBanner }}</MkButton>
+			<MkButton v-if="bannerId == null" @click="setBannerImage"><i class="ph-plus"></i> {{ $ts._channel.setBanner }}</MkButton>
 			<div v-else-if="bannerUrl">
 				<img :src="bannerUrl" style="width: 100%;"/>
-				<MkButton @click="removeBannerImage()"><i class="fas fa-trash-alt"></i> {{ $ts._channel.removeBanner }}</MkButton>
+				<MkButton @click="removeBannerImage()"><i class="ph-trash"></i> {{ $ts._channel.removeBanner }}</MkButton>
 			</div>
 		</div>
 		<div class="_formBlock">
@@ -48,11 +48,11 @@ export default defineComponent({
 		return {
 			[symbols.PAGE_INFO]: computed(() => this.channelId ? {
 				title: this.$ts._channel.edit,
-				icon: 'fas fa-satellite-dish',
+				icon: 'ph-television',
 				bg: 'var(--bg)',
 			} : {
 				title: this.$ts._channel.create,
-				icon: 'fas fa-satellite-dish',
+				icon: 'ph-television',
 				bg: 'var(--bg)',
 			}),
 			channel: null,
diff --git a/packages/client/src/pages/channel.vue b/packages/client/src/pages/channel.vue
index c9a8f3684..62f8de9e0 100644
--- a/packages/client/src/pages/channel.vue
+++ b/packages/client/src/pages/channel.vue
@@ -4,15 +4,15 @@
 		<div class="wpgynlbz _panel _gap" :class="{ hide: !showBanner }">
 			<XChannelFollowButton :channel="channel" :full="true" class="subscribe"/>
 			<button class="_button toggle" @click="() => showBanner = !showBanner">
-				<template v-if="showBanner"><i class="fas fa-angle-up"></i></template>
-				<template v-else><i class="fas fa-angle-down"></i></template>
+				<template v-if="showBanner"><i class="ph-caret-up"></i></template>
+				<template v-else><i class="ph-caret-down"></i></template>
 			</button>
 			<div v-if="!showBanner" class="hideOverlay">
 			</div>
 			<div :style="{ backgroundImage: channel.bannerUrl ? `url(${channel.bannerUrl})` : null }" class="banner">
 				<div class="status">
-					<div><i class="fas fa-users fa-fw"></i><I18n :src="$ts._channel.usersCount" tag="span" style="margin-left: 4px;"><template #n><b>{{ channel.usersCount }}</b></template></I18n></div>
-					<div><i class="fas fa-pencil-alt fa-fw"></i><I18n :src="$ts._channel.notesCount" tag="span" style="margin-left: 4px;"><template #n><b>{{ channel.notesCount }}</b></template></I18n></div>
+					<div><i class="ph-users-three ph-fw"></i><I18n :src="$ts._channel.usersCount" tag="span" style="margin-left: 4px;"><template #n><b>{{ channel.usersCount }}</b></template></I18n></div>
+					<div><i class="ph-pencil ph-fw"></i><I18n :src="$ts._channel.notesCount" tag="span" style="margin-left: 4px;"><template #n><b>{{ channel.notesCount }}</b></template></I18n></div>
 				</div>
 				<div class="fade"></div>
 			</div>
@@ -56,10 +56,10 @@ export default defineComponent({
 		return {
 			[symbols.PAGE_INFO]: computed(() => this.channel ? {
 				title: this.channel.name,
-				icon: 'fas fa-satellite-dish',
+				icon: 'ph-television',
 				bg: 'var(--bg)',
 				actions: [...(this.$i && this.$i.id === this.channel.userId ? [{
-					icon: 'fas fa-cog',
+					icon: 'ph-gear',
 					text: this.$ts.edit,
 					handler: this.edit,
 				}] : [])],
diff --git a/packages/client/src/pages/channels.vue b/packages/client/src/pages/channels.vue
index 4e538a6da..6f36127f5 100644
--- a/packages/client/src/pages/channels.vue
+++ b/packages/client/src/pages/channels.vue
@@ -11,7 +11,7 @@
 		</MkPagination>
 	</div>
 	<div v-else-if="tab === 'owned'" class="_content grwlizim owned">
-		<MkButton class="new" @click="create()"><i class="fas fa-plus"></i></MkButton>
+		<MkButton class="new" @click="create()"><i class="ph-plus"></i></MkButton>
 		<MkPagination v-slot="{items}" :pagination="ownedPagination">
 			<MkChannelPreview v-for="channel in items" :key="channel.id" class="_gap" :channel="channel"/>
 		</MkPagination>
@@ -34,17 +34,17 @@ export default defineComponent({
 		return {
 			[symbols.PAGE_INFO]: computed(() => ({
 				title: this.$ts.channel,
-				icon: 'fas fa-satellite-dish',
+				icon: 'ph-television',
 				bg: 'var(--bg)',
 				actions: [{
-					icon: 'fas fa-plus',
+					icon: 'ph-plus',
 					text: this.$ts.create,
 					handler: this.create,
 				}],
 				tabs: [{
 					active: this.tab === 'featured',
 					title: this.$ts._channel.featured,
-					icon: 'fas fa-fire-alt',
+					icon: 'ph-fire',
 					onClick: () => { this.tab = 'featured'; },
 				}, {
 					active: this.tab === 'following',
diff --git a/packages/client/src/pages/clip.vue b/packages/client/src/pages/clip.vue
index c999f1bfc..eec9fcd84 100644
--- a/packages/client/src/pages/clip.vue
+++ b/packages/client/src/pages/clip.vue
@@ -41,7 +41,7 @@ export default defineComponent({
 		return {
 			[symbols.PAGE_INFO]: computed(() => this.clip ? {
 				title: this.clip.name,
-				icon: 'fas fa-paperclip',
+				icon: 'ph-paperclip',
 				bg: 'var(--bg)',
 				actions: [{
 					icon: 'fas fa-ellipsis-h',
@@ -83,7 +83,7 @@ export default defineComponent({
 	methods: {
 		menu(ev) {
 			os.popupMenu([this.isOwned ? {
-				icon: 'fas fa-pencil-alt',
+				icon: 'ph-pencil',
 				text: this.$ts.edit,
 				action: async () => {
 					const { canceled, result } = await os.form(this.clip.name, {
@@ -113,7 +113,7 @@ export default defineComponent({
 					});
 				}
 			} : undefined, this.isOwned ? {
-				icon: 'fas fa-trash-alt',
+				icon: 'ph-trash',
 				text: this.$ts.delete,
 				danger: true,
 				action: async () => {
diff --git a/packages/client/src/pages/drive.vue b/packages/client/src/pages/drive.vue
index 68777bb08..e6947d6c2 100644
--- a/packages/client/src/pages/drive.vue
+++ b/packages/client/src/pages/drive.vue
@@ -16,7 +16,7 @@ let folder = $ref(null);
 defineExpose({
 	[symbols.PAGE_INFO]: computed(() => ({
 		title: folder ? folder.name : i18n.ts.drive,
-		icon: 'fas fa-cloud',
+		icon: 'ph-cloud',
 		bg: 'var(--bg)',
 		hideHeader: true,
 	})),
diff --git a/packages/client/src/pages/emojis.category.vue b/packages/client/src/pages/emojis.category.vue
index c47870f4d..e4d6a49b7 100644
--- a/packages/client/src/pages/emojis.category.vue
+++ b/packages/client/src/pages/emojis.category.vue
@@ -2,7 +2,7 @@
 <div class="driuhtrh">
 	<div class="query">
 		<MkInput v-model="q" class="" :placeholder="$ts.search">
-			<template #prefix><i class="fas fa-search"></i></template>
+			<template #prefix><i class="ph-magnifying-glass"></i></template>
 		</MkInput>
 
 		<!-- たくさんあると邪魔
diff --git a/packages/client/src/pages/emojis.vue b/packages/client/src/pages/emojis.vue
index f44b29df0..44646e400 100644
--- a/packages/client/src/pages/emojis.vue
+++ b/packages/client/src/pages/emojis.vue
@@ -15,7 +15,7 @@ const tab = ref('category');
 
 function menu(ev) {
 	os.popupMenu([{
-		icon: 'fas fa-download',
+		icon: 'ph-download-simple',
 		text: i18n.ts.export,
 		action: async () => {
 			os.api('export-custom-emojis', {
@@ -38,7 +38,7 @@ function menu(ev) {
 defineExpose({
 	[symbols.PAGE_INFO]: {
 		title: i18n.ts.customEmojis,
-		icon: 'fas fa-laugh',
+		icon: 'ph-smiley',
 		bg: 'var(--bg)',
 		actions: [{
 			icon: 'fas fa-ellipsis-h',
diff --git a/packages/client/src/pages/explore.vue b/packages/client/src/pages/explore.vue
index 04cc3662a..728581f1e 100644
--- a/packages/client/src/pages/explore.vue
+++ b/packages/client/src/pages/explore.vue
@@ -10,19 +10,19 @@
 
 				<template v-if="tag == null">
 					<MkFolder class="_gap" persist-key="explore-pinned-users">
-						<template #header><i class="fas fa-bookmark fa-fw" style="margin-right: 0.5em;"></i>{{ $ts.pinnedUsers }}</template>
+						<template #header><i class="fas fa-bookmark ph-fw" style="margin-right: 0.5em;"></i>{{ $ts.pinnedUsers }}</template>
 						<XUserList :pagination="pinnedUsers"/>
 					</MkFolder>
 					<MkFolder class="_gap" persist-key="explore-popular-users">
-						<template #header><i class="fas fa-chart-line fa-fw" style="margin-right: 0.5em;"></i>{{ $ts.popularUsers }}</template>
+						<template #header><i class="fas fa-chart-line ph-fw" style="margin-right: 0.5em;"></i>{{ $ts.popularUsers }}</template>
 						<XUserList :pagination="popularUsers"/>
 					</MkFolder>
 					<MkFolder class="_gap" persist-key="explore-recently-updated-users">
-						<template #header><i class="fas fa-comment-alt fa-fw" style="margin-right: 0.5em;"></i>{{ $ts.recentlyUpdatedUsers }}</template>
+						<template #header><i class="fas fa-comment-alt ph-fw" style="margin-right: 0.5em;"></i>{{ $ts.recentlyUpdatedUsers }}</template>
 						<XUserList :pagination="recentlyUpdatedUsers"/>
 					</MkFolder>
 					<MkFolder class="_gap" persist-key="explore-recently-registered-users">
-						<template #header><i class="fas fa-plus fa-fw" style="margin-right: 0.5em;"></i>{{ $ts.recentlyRegisteredUsers }}</template>
+						<template #header><i class="ph-plus ph-fw" style="margin-right: 0.5em;"></i>{{ $ts.recentlyRegisteredUsers }}</template>
 						<XUserList :pagination="recentlyRegisteredUsers"/>
 					</MkFolder>
 				</template>
@@ -33,7 +33,7 @@
 				</div>
 
 				<MkFolder ref="tags" :foldable="true" :expanded="false" class="_gap">
-					<template #header><i class="fas fa-hashtag fa-fw" style="margin-right: 0.5em;"></i>{{ $ts.popularTags }}</template>
+					<template #header><i class="ph-hash ph-fw" style="margin-right: 0.5em;"></i>{{ $ts.popularTags }}</template>
 
 					<div class="vxjfqztj">
 						<MkA v-for="tag in tagsLocal" :key="'local:' + tag.tag" :to="`/explore/tags/${tag.tag}`" class="local">{{ tag.tag }}</MkA>
@@ -42,21 +42,21 @@
 				</MkFolder>
 
 				<MkFolder v-if="tag != null" :key="`${tag}`" class="_gap">
-					<template #header><i class="fas fa-hashtag fa-fw" style="margin-right: 0.5em;"></i>{{ tag }}</template>
+					<template #header><i class="ph-hash ph-fw" style="margin-right: 0.5em;"></i>{{ tag }}</template>
 					<XUserList :pagination="tagUsers"/>
 				</MkFolder>
 
 				<template v-if="tag == null">
 					<MkFolder class="_gap">
-						<template #header><i class="fas fa-chart-line fa-fw" style="margin-right: 0.5em;"></i>{{ $ts.popularUsers }}</template>
+						<template #header><i class="fas fa-chart-line ph-fw" style="margin-right: 0.5em;"></i>{{ $ts.popularUsers }}</template>
 						<XUserList :pagination="popularUsersF"/>
 					</MkFolder>
 					<MkFolder class="_gap">
-						<template #header><i class="fas fa-comment-alt fa-fw" style="margin-right: 0.5em;"></i>{{ $ts.recentlyUpdatedUsers }}</template>
+						<template #header><i class="fas fa-comment-alt ph-fw" style="margin-right: 0.5em;"></i>{{ $ts.recentlyUpdatedUsers }}</template>
 						<XUserList :pagination="recentlyUpdatedUsersF"/>
 					</MkFolder>
 					<MkFolder class="_gap">
-						<template #header><i class="fas fa-rocket fa-fw" style="margin-right: 0.5em;"></i>{{ $ts.recentlyDiscoveredUsers }}</template>
+						<template #header><i class="fas fa-rocket ph-fw" style="margin-right: 0.5em;"></i>{{ $ts.recentlyDiscoveredUsers }}</template>
 						<XUserList :pagination="recentlyRegisteredUsersF"/>
 					</MkFolder>
 				</template>
@@ -64,7 +64,7 @@
 			<div v-else-if="tab === 'search'">
 				<div class="_isolated">
 					<MkInput v-model="searchQuery" :debounce="true" type="search">
-						<template #prefix><i class="fas fa-search"></i></template>
+						<template #prefix><i class="ph-magnifying-glass"></i></template>
 						<template #label>{{ $ts.searchUser }}</template>
 					</MkInput>
 					<MkRadios v-model="searchOrigin">
@@ -110,7 +110,7 @@ export default defineComponent({
 		return {
 			[symbols.PAGE_INFO]: computed(() => ({
 				title: this.$ts.explore,
-				icon: 'fas fa-hashtag',
+				icon: 'ph-hash',
 				bg: 'var(--bg)',
 				tabs: [{
 					active: this.tab === 'local',
diff --git a/packages/client/src/pages/favorites.vue b/packages/client/src/pages/favorites.vue
index b4f6ff35b..a37f4e068 100644
--- a/packages/client/src/pages/favorites.vue
+++ b/packages/client/src/pages/favorites.vue
@@ -35,7 +35,7 @@ const pagingComponent = ref<InstanceType<typeof MkPagination>>();
 defineExpose({
 	[symbols.PAGE_INFO]: {
 		title: i18n.ts.favorites,
-		icon: 'fas fa-star',
+		icon: 'ph-star',
 		bg: 'var(--bg)',
 	},
 });
diff --git a/packages/client/src/pages/featured.vue b/packages/client/src/pages/featured.vue
index 14fe0cb74..f89ceea46 100644
--- a/packages/client/src/pages/featured.vue
+++ b/packages/client/src/pages/featured.vue
@@ -18,7 +18,7 @@ const pagination = {
 defineExpose({
 	[symbols.PAGE_INFO]: {
 		title: i18n.ts.featured,
-		icon: 'fas fa-fire-alt',
+		icon: 'ph-fire',
 		bg: 'var(--bg)',
 	},
 });
diff --git a/packages/client/src/pages/federation.vue b/packages/client/src/pages/federation.vue
index 447918905..2eac38ef7 100644
--- a/packages/client/src/pages/federation.vue
+++ b/packages/client/src/pages/federation.vue
@@ -3,7 +3,7 @@
 	<div class="taeiyria">
 		<div class="query">
 			<MkInput v-model="host" :debounce="true" class="">
-				<template #prefix><i class="fas fa-search"></i></template>
+				<template #prefix><i class="ph-magnifying-glass"></i></template>
 				<template #label>{{ $ts.host }}</template>
 			</MkInput>
 			<FormSplit style="margin-top: var(--margin);">
@@ -132,7 +132,7 @@ function getStatus(instance) {
 defineExpose({
 	[symbols.PAGE_INFO]: {
 		title: i18n.ts.federation,
-		icon: 'fas fa-globe',
+		icon: 'ph-globe',
 		bg: 'var(--bg)',
 	},
 });
diff --git a/packages/client/src/pages/follow-requests.vue b/packages/client/src/pages/follow-requests.vue
index 6adc1a404..787e4fecb 100644
--- a/packages/client/src/pages/follow-requests.vue
+++ b/packages/client/src/pages/follow-requests.vue
@@ -20,7 +20,7 @@
 							<Mfm :text="req.follower.description" :is-note="false" :author="req.follower" :i="$i" :custom-emojis="req.follower.emojis" :plain="true" :nowrap="true"/>
 						</div>
 						<div class="actions">
-							<button class="_button" @click="accept(req.follower)"><i class="fas fa-check"></i></button>
+							<button class="_button" @click="accept(req.follower)"><i class="ph-check"></i></button>
 							<button class="_button" @click="reject(req.follower)"><i class="fas fa-times"></i></button>
 						</div>
 					</div>
@@ -61,7 +61,7 @@ function reject(user) {
 defineExpose({
 	[symbols.PAGE_INFO]: computed(() => ({
 		title: i18n.ts.followRequests,
-		icon: 'fas fa-user-clock',
+		icon: 'ph-user-plus',
 		bg: 'var(--bg)',
 	})),
 });
diff --git a/packages/client/src/pages/gallery/edit.vue b/packages/client/src/pages/gallery/edit.vue
index bc87160c4..f12d45534 100644
--- a/packages/client/src/pages/gallery/edit.vue
+++ b/packages/client/src/pages/gallery/edit.vue
@@ -14,7 +14,7 @@
 				<div class="name">{{ file.name }}</div>
 				<button v-tooltip="$ts.remove" class="remove _button" @click="remove(file)"><i class="fas fa-times"></i></button>
 			</div>
-			<FormButton primary @click="selectFile"><i class="fas fa-plus"></i> {{ $ts.attachFile }}</FormButton>
+			<FormButton primary @click="selectFile"><i class="ph-plus"></i> {{ $ts.attachFile }}</FormButton>
 		</FormGroup>
 
 		<FormSwitch v-model="isSensitive">{{ $ts.markAsSensitive }}</FormSwitch>
@@ -22,7 +22,7 @@
 		<FormButton v-if="postId" primary @click="save"><i class="fas fa-save"></i> {{ $ts.save }}</FormButton>
 		<FormButton v-else primary @click="save"><i class="fas fa-save"></i> {{ $ts.publish }}</FormButton>
 
-		<FormButton v-if="postId" danger @click="del"><i class="fas fa-trash-alt"></i> {{ $ts.delete }}</FormButton>
+		<FormButton v-if="postId" danger @click="del"><i class="ph-trash"></i> {{ $ts.delete }}</FormButton>
 	</FormSuspense>
 </div>
 </template>
@@ -61,10 +61,10 @@ export default defineComponent({
 		return {
 			[symbols.PAGE_INFO]: computed(() => this.postId ? {
 				title: this.$ts.edit,
-				icon: 'fas fa-pencil-alt'
+				icon: 'ph-pencil'
 			} : {
 				title: this.$ts.postToGallery,
-				icon: 'fas fa-pencil-alt'
+				icon: 'ph-pencil'
 			}),
 			init: null,
 			files: [],
diff --git a/packages/client/src/pages/gallery/index.vue b/packages/client/src/pages/gallery/index.vue
index a19d69d5c..55e8948fb 100644
--- a/packages/client/src/pages/gallery/index.vue
+++ b/packages/client/src/pages/gallery/index.vue
@@ -1,7 +1,7 @@
 <template>
 <div class="xprsixdl _root">
 	<MkTab v-if="$i" v-model="tab">
-		<option value="explore"><i class="fas fa-icons"></i> {{ $ts.gallery }}</option>
+		<option value="explore"><i class="ph-image"></i> {{ $ts.gallery }}</option>
 		<option value="liked"><i class="fas fa-heart"></i> {{ $ts._gallery.liked }}</option>
 		<option value="my"><i class="fas fa-edit"></i> {{ $ts._gallery.my }}</option>
 	</MkTab>
@@ -16,7 +16,7 @@
 			</MkPagination>
 		</MkFolder>
 		<MkFolder class="_gap">
-			<template #header><i class="fas fa-fire-alt"></i>{{ $ts.popularPosts }}</template>
+			<template #header><i class="ph-fire"></i>{{ $ts.popularPosts }}</template>
 			<MkPagination v-slot="{items}" :pagination="popularPostsPagination" :disable-auto-load="true">
 				<div class="vfpdbgtk">
 					<MkGalleryPostPreview v-for="post in items" :key="post.id" :post="post" class="post"/>
@@ -32,7 +32,7 @@
 		</MkPagination>
 	</div>
 	<div v-else-if="tab === 'my'">
-		<MkA to="/gallery/new" class="_link" style="margin: 16px;"><i class="fas fa-plus"></i> {{ $ts.postToGallery }}</MkA>
+		<MkA to="/gallery/new" class="_link" style="margin: 16px;"><i class="ph-plus"></i> {{ $ts.postToGallery }}</MkA>
 		<MkPagination v-slot="{items}" :pagination="myPostsPagination">
 			<div class="vfpdbgtk">
 				<MkGalleryPostPreview v-for="post in items" :key="post.id" :post="post" class="post"/>
@@ -77,7 +77,7 @@ export default defineComponent({
 		return {
 			[symbols.PAGE_INFO]: {
 				title: this.$ts.gallery,
-				icon: 'fas fa-icons'
+				icon: 'ph-image'
 			},
 			tab: 'explore',
 			recentPostsPagination: {
diff --git a/packages/client/src/pages/gallery/post.vue b/packages/client/src/pages/gallery/post.vue
index 1ca3443e5..e834c90ef 100644
--- a/packages/client/src/pages/gallery/post.vue
+++ b/packages/client/src/pages/gallery/post.vue
@@ -19,9 +19,9 @@
 						<MkButton v-else v-tooltip="$ts._gallery.like" class="button" @click="like()"><i class="far fa-heart"></i><span v-if="post.likedCount > 0" class="count">{{ post.likedCount }}</span></MkButton>
 					</div>
 					<div class="other">
-						<button v-if="$i && $i.id === post.user.id" v-tooltip="$ts.edit" v-click-anime class="_button" @click="edit"><i class="fas fa-pencil-alt fa-fw"></i></button>
-						<button v-tooltip="$ts.shareWithNote" v-click-anime class="_button" @click="shareWithNote"><i class="fas fa-retweet fa-fw"></i></button>
-						<button v-tooltip="$ts.share" v-click-anime class="_button" @click="share"><i class="fas fa-share-alt fa-fw"></i></button>
+						<button v-if="$i && $i.id === post.user.id" v-tooltip="$ts.edit" v-click-anime class="_button" @click="edit"><i class="ph-pencil ph-fw"></i></button>
+						<button v-tooltip="$ts.shareWithNote" v-click-anime class="_button" @click="shareWithNote"><i class="fas fa-retweet ph-fw"></i></button>
+						<button v-tooltip="$ts.share" v-click-anime class="_button" @click="share"><i class="fas fa-share-alt ph-fw"></i></button>
 					</div>
 				</div>
 				<div class="user">
@@ -87,7 +87,7 @@ export default defineComponent({
 					text: this.post.description,
 				},
 				actions: [{
-					icon: 'fas fa-pencil-alt',
+					icon: 'ph-pencil',
 					text: this.$ts.edit,
 					handler: this.edit
 				}]
diff --git a/packages/client/src/pages/instance-info.vue b/packages/client/src/pages/instance-info.vue
index f19cb9d1a..559a7e59e 100644
--- a/packages/client/src/pages/instance-info.vue
+++ b/packages/client/src/pages/instance-info.vue
@@ -171,7 +171,7 @@ fetch();
 defineExpose({
 	[symbols.PAGE_INFO]: {
 		title: props.host,
-		icon: 'fas fa-info-circle',
+		icon: 'ph-info',
 		bg: 'var(--bg)',
 		actions: [{
 			text: `https://${props.host}`,
diff --git a/packages/client/src/pages/mentions.vue b/packages/client/src/pages/mentions.vue
index 9b57c956b..e5e987d80 100644
--- a/packages/client/src/pages/mentions.vue
+++ b/packages/client/src/pages/mentions.vue
@@ -17,7 +17,7 @@ const pagination = {
 defineExpose({
 	[symbols.PAGE_INFO]: {
 		title: i18n.ts.mentions,
-		icon: 'fas fa-at',
+		icon: 'ph-at',
 		bg: 'var(--bg)',
 	},
 });
diff --git a/packages/client/src/pages/messages.vue b/packages/client/src/pages/messages.vue
index 9c5fb9b34..6d298813f 100644
--- a/packages/client/src/pages/messages.vue
+++ b/packages/client/src/pages/messages.vue
@@ -20,7 +20,7 @@ const pagination = {
 defineExpose({
 	[symbols.PAGE_INFO]: {
 		title: i18n.ts.directNotes,
-		icon: 'fas fa-envelope',
+		icon: 'ph-envelope-simple',
 		bg: 'var(--bg)',
 	},
 });
diff --git a/packages/client/src/pages/messaging/index.vue b/packages/client/src/pages/messaging/index.vue
index 7c1d3e3cb..0c6d23172 100644
--- a/packages/client/src/pages/messaging/index.vue
+++ b/packages/client/src/pages/messaging/index.vue
@@ -1,7 +1,7 @@
 <template>
 <MkSpacer :content-max="800">
 	<div v-size="{ max: [400] }" class="yweeujhr">
-		<MkButton primary class="start" @click="start"><i class="fas fa-plus"></i> {{ $ts.startMessaging }}</MkButton>
+		<MkButton primary class="start" @click="start"><i class="ph-plus"></i> {{ $ts.startMessaging }}</MkButton>
 
 		<div v-if="messages.length > 0" class="history">
 			<MkA v-for="(message, i) in messages"
@@ -56,7 +56,7 @@ export default defineComponent({
 		return {
 			[symbols.PAGE_INFO]: {
 				title: this.$ts.messaging,
-				icon: 'fas fa-comments',
+				icon: 'ph-chats-circle',
 				bg: 'var(--bg)',
 			},
 			fetching: true,
@@ -126,7 +126,7 @@ export default defineComponent({
 				action: () => { this.startUser(); }
 			}, {
 				text: this.$ts.messagingWithGroup,
-				icon: 'fas fa-users',
+				icon: 'ph-users-three',
 				action: () => { this.startGroup(); }
 			}], ev.currentTarget ?? ev.target);
 		},
diff --git a/packages/client/src/pages/messaging/messaging-room.form.vue b/packages/client/src/pages/messaging/messaging-room.form.vue
index 8e779c4f3..2fdfac02b 100644
--- a/packages/client/src/pages/messaging/messaging-room.form.vue
+++ b/packages/client/src/pages/messaging/messaging-room.form.vue
@@ -13,10 +13,10 @@
 	></textarea>
 	<div v-if="file" class="file" @click="file = null">{{ file.name }}</div>
 	<button class="send _button" :disabled="!canSend || sending" :title="$ts.send" @click="send">
-		<template v-if="!sending"><i class="fas fa-paper-plane"></i></template><template v-if="sending"><i class="fas fa-spinner fa-pulse fa-fw"></i></template>
+		<template v-if="!sending"><i class="fas fa-paper-plane"></i></template><template v-if="sending"><i class="fas fa-spinner fa-pulse ph-fw"></i></template>
 	</button>
 	<button class="_button" @click="chooseFile"><i class="fas fa-photo-video"></i></button>
-	<button class="_button" @click="insertEmoji"><i class="fas fa-laugh-squint"></i></button>
+	<button class="_button" @click="insertEmoji"><i class="ph-smiley-squint"></i></button>
 	<input ref="file" type="file" @change="onChangeFile"/>
 </div>
 </template>
diff --git a/packages/client/src/pages/messaging/messaging-room.message.vue b/packages/client/src/pages/messaging/messaging-room.message.vue
index 4315bbecd..cb30a789c 100644
--- a/packages/client/src/pages/messaging/messaging-room.message.vue
+++ b/packages/client/src/pages/messaging/messaging-room.message.vue
@@ -29,7 +29,7 @@
 				<span v-if="isMe && message.isRead" class="read">{{ $ts.messageRead }}</span>
 			</template>
 			<MkTime :time="message.createdAt"/>
-			<template v-if="message.is_edited"><i class="fas fa-pencil-alt"></i></template>
+			<template v-if="message.is_edited"><i class="ph-pencil"></i></template>
 		</footer>
 	</div>
 </div>
diff --git a/packages/client/src/pages/messaging/messaging-room.vue b/packages/client/src/pages/messaging/messaging-room.vue
index fd1962218..f399d7b7c 100644
--- a/packages/client/src/pages/messaging/messaging-room.vue
+++ b/packages/client/src/pages/messaging/messaging-room.vue
@@ -6,10 +6,10 @@
 	<div class="_content mk-messaging-room">
 		<div class="body">
 			<MkLoading v-if="fetching"/>
-			<p v-if="!fetching && messages.length == 0" class="empty"><i class="fas fa-info-circle"></i>{{ $ts.noMessagesYet }}</p>
+			<p v-if="!fetching && messages.length == 0" class="empty"><i class="ph-info"></i>{{ $ts.noMessagesYet }}</p>
 			<p v-if="!fetching && messages.length > 0 && !existMoreMessages" class="no-history"><i class="fas fa-flag"></i>{{ $ts.noMoreHistory }}</p>
 			<button v-show="existMoreMessages" ref="loadMore" class="more _button" :class="{ fetching: fetchingMoreMessages }" :disabled="fetchingMoreMessages" @click="fetchMoreMessages">
-				<template v-if="fetchingMoreMessages"><i class="fas fa-spinner fa-pulse fa-fw"></i></template>{{ fetchingMoreMessages ? $ts.loading : $ts.loadMore }}
+				<template v-if="fetchingMoreMessages"><i class="fas fa-spinner fa-pulse ph-fw"></i></template>{{ fetchingMoreMessages ? $ts.loading : $ts.loadMore }}
 			</button>
 			<XList v-if="messages.length > 0" v-slot="{ item: message }" class="messages" :items="messages" direction="up" reversed>
 				<XMessage :key="message.id" :message="message" :is-group="group != null"/>
@@ -79,7 +79,7 @@ const Component = defineComponent({
 				},
 			} : {
 				title: this.group.name,
-				icon: 'fas fa-users',
+				icon: 'ph-users-three',
 				action: {
 					icon: 'fas fa-ellipsis-h',
 					handler: this.menu,
@@ -323,7 +323,7 @@ const Component = defineComponent({
 
 			os.popupMenu([this.inWindow ? undefined : {
 				text: this.$ts.openInWindow,
-				icon: 'fas fa-window-maximize',
+				icon: 'ph-frame-corners',
 				action: () => {
 					os.pageWindow(path);
 					this.$router.back();
diff --git a/packages/client/src/pages/mfm-cheat-sheet.vue b/packages/client/src/pages/mfm-cheat-sheet.vue
index 2c10494ed..8af84ab39 100644
--- a/packages/client/src/pages/mfm-cheat-sheet.vue
+++ b/packages/client/src/pages/mfm-cheat-sheet.vue
@@ -310,7 +310,7 @@ export default defineComponent({
 		return {
 			[symbols.PAGE_INFO]: {
 				title: this.$ts._mfm.cheatSheet,
-				icon: 'fas fa-question-circle',
+				icon: 'ph-question',
 			},
 			preview_mention: '@example',
 			preview_hashtag: '#test',
diff --git a/packages/client/src/pages/my-antennas/create.vue b/packages/client/src/pages/my-antennas/create.vue
index a08bece73..94434aa33 100644
--- a/packages/client/src/pages/my-antennas/create.vue
+++ b/packages/client/src/pages/my-antennas/create.vue
@@ -32,7 +32,7 @@ function onAntennaCreated() {
 defineExpose({
 	[symbols.PAGE_INFO]: {
 		title: i18n.ts.manageAntennas,
-		icon: 'fas fa-satellite',
+		icon: 'ph-cell-signal-full',
 		bg: 'var(--bg)',
 	},
 });
diff --git a/packages/client/src/pages/my-antennas/edit.vue b/packages/client/src/pages/my-antennas/edit.vue
index 38e56ce35..65a4334db 100644
--- a/packages/client/src/pages/my-antennas/edit.vue
+++ b/packages/client/src/pages/my-antennas/edit.vue
@@ -31,7 +31,7 @@ os.api('antennas/show', { antennaId: props.antennaId }).then((antennaResponse) =
 defineExpose({
 	[symbols.PAGE_INFO]: {
 		title: i18n.ts.manageAntennas,
-		icon: 'fas fa-satellite',
+		icon: 'ph-cell-signal-full',
 	}
 });
 </script>
diff --git a/packages/client/src/pages/my-antennas/index.vue b/packages/client/src/pages/my-antennas/index.vue
index a568f64c5..a81307745 100644
--- a/packages/client/src/pages/my-antennas/index.vue
+++ b/packages/client/src/pages/my-antennas/index.vue
@@ -1,7 +1,7 @@
 <template>
 <MkSpacer :content-max="700">
 	<div class="ieepwinx">
-		<MkButton :link="true" to="/my/antennas/create" primary class="add"><i class="fas fa-plus"></i> {{ i18n.ts.add }}</MkButton>
+		<MkButton :link="true" to="/my/antennas/create" primary class="add"><i class="ph-plus"></i> {{ i18n.ts.add }}</MkButton>
 
 		<div class="">
 			<MkPagination v-slot="{items}" ref="list" :pagination="pagination">
@@ -29,7 +29,7 @@ const pagination = {
 defineExpose({
 	[symbols.PAGE_INFO]: {
 		title: i18n.ts.manageAntennas,
-		icon: 'fas fa-satellite',
+		icon: 'ph-cell-signal-full',
 		bg: 'var(--bg)'
 	}
 });
diff --git a/packages/client/src/pages/my-clips/index.vue b/packages/client/src/pages/my-clips/index.vue
index e287357a4..c113efa72 100644
--- a/packages/client/src/pages/my-clips/index.vue
+++ b/packages/client/src/pages/my-clips/index.vue
@@ -1,7 +1,7 @@
 <template>
 <MkSpacer :content-max="700">
 	<div class="qtcaoidl">
-		<MkButton primary class="add" @click="create"><i class="fas fa-plus"></i> {{ $ts.add }}</MkButton>
+		<MkButton primary class="add" @click="create"><i class="ph-plus"></i> {{ $ts.add }}</MkButton>
 
 		<MkPagination v-slot="{items}" ref="pagingComponent" :pagination="pagination" class="list">
 			<MkA v-for="item in items" :key="item.id" :to="`/clips/${item.id}`" class="item _panel _gap">
@@ -64,10 +64,10 @@ function onClipDeleted() {
 defineExpose({
 	[symbols.PAGE_INFO]: {
 		title: i18n.ts.clip,
-		icon: 'fas fa-paperclip',
+		icon: 'ph-paperclip',
 		bg: 'var(--bg)',
 		action: {
-			icon: 'fas fa-plus',
+			icon: 'ph-plus',
 			handler: create
 		},
 	},
diff --git a/packages/client/src/pages/my-groups/group.vue b/packages/client/src/pages/my-groups/group.vue
index 92c0483af..aed876154 100644
--- a/packages/client/src/pages/my-groups/group.vue
+++ b/packages/client/src/pages/my-groups/group.vue
@@ -55,7 +55,7 @@ export default defineComponent({
 		return {
 			[symbols.PAGE_INFO]: computed(() => this.group ? {
 				title: this.group.name,
-				icon: 'fas fa-users',
+				icon: 'ph-users-three',
 			} : null),
 			group: null,
 			users: [],
diff --git a/packages/client/src/pages/my-groups/index.vue b/packages/client/src/pages/my-groups/index.vue
index 4b2b2963a..7eb6d61e2 100644
--- a/packages/client/src/pages/my-groups/index.vue
+++ b/packages/client/src/pages/my-groups/index.vue
@@ -1,7 +1,7 @@
 <template>
 <MkSpacer :content-max="700">
 	<div v-if="tab === 'owned'" class="_content">
-		<MkButton primary style="margin: 0 auto var(--margin) auto;" @click="create"><i class="fas fa-plus"></i> {{ $ts.createGroup }}</MkButton>
+		<MkButton primary style="margin: 0 auto var(--margin) auto;" @click="create"><i class="ph-plus"></i> {{ $ts.createGroup }}</MkButton>
 
 		<MkPagination v-slot="{items}" ref="owned" :pagination="ownedPagination">
 			<div v-for="group in items" :key="group.id" class="_card">
@@ -29,7 +29,7 @@
 				<div class="_title">{{ invitation.group.name }}</div>
 				<div class="_content"><MkAvatars :user-ids="invitation.group.userIds"/></div>
 				<div class="_footer">
-					<MkButton primary inline @click="acceptInvite(invitation)"><i class="fas fa-check"></i> {{ $ts.accept }}</MkButton>
+					<MkButton primary inline @click="acceptInvite(invitation)"><i class="ph-check"></i> {{ $ts.accept }}</MkButton>
 					<MkButton primary inline @click="rejectInvite(invitation)"><i class="fas fa-ban"></i> {{ $ts.reject }}</MkButton>
 				</div>
 			</div>
@@ -61,10 +61,10 @@ export default defineComponent({
 		return {
 			[symbols.PAGE_INFO]: computed(() => ({
 				title: this.$ts.groups,
-				icon: 'fas fa-users',
+				icon: 'ph-users-three',
 				bg: 'var(--bg)',
 				actions: [{
-					icon: 'fas fa-plus',
+					icon: 'ph-plus',
 					text: this.$ts.createGroup,
 					handler: this.create,
 				}],
@@ -81,7 +81,7 @@ export default defineComponent({
 				}, {
 					active: this.tab === 'invites',
 					title: this.$ts.invites,
-					icon: 'fas fa-envelope-open-text',
+					icon: 'ph-envelope-simple-open-text',
 					onClick: () => { this.tab = 'invites'; },
 				},]
 			})),
diff --git a/packages/client/src/pages/my-lists/index.vue b/packages/client/src/pages/my-lists/index.vue
index 9ed9e2960..49aed8bcd 100644
--- a/packages/client/src/pages/my-lists/index.vue
+++ b/packages/client/src/pages/my-lists/index.vue
@@ -1,7 +1,7 @@
 <template>
 <MkSpacer :content-max="700">
 	<div class="qkcjvfiv">
-		<MkButton primary class="add" @click="create"><i class="fas fa-plus"></i> {{ $ts.createList }}</MkButton>
+		<MkButton primary class="add" @click="create"><i class="ph-plus"></i> {{ $ts.createList }}</MkButton>
 
 		<MkPagination v-slot="{items}" ref="pagingComponent" :pagination="pagination" class="lists _content">
 			<MkA v-for="list in items" :key="list.id" class="list _panel" :to="`/my/lists/${ list.id }`">
@@ -41,10 +41,10 @@ async function create() {
 defineExpose({
 	[symbols.PAGE_INFO]: {
 		title: i18n.ts.manageLists,
-		icon: 'fas fa-list-ul',
+		icon: 'ph-list-bullets',
 		bg: 'var(--bg)',
 		action: {
-			icon: 'fas fa-plus',
+			icon: 'ph-plus',
 			handler: create,
 		},
 	},
diff --git a/packages/client/src/pages/my-lists/list.vue b/packages/client/src/pages/my-lists/list.vue
index bc24f5843..21f3aa655 100644
--- a/packages/client/src/pages/my-lists/list.vue
+++ b/packages/client/src/pages/my-lists/list.vue
@@ -49,7 +49,7 @@ export default defineComponent({
 		return {
 			[symbols.PAGE_INFO]: computed(() => this.list ? {
 				title: this.list.name,
-				icon: 'fas fa-list-ul',
+				icon: 'ph-list-bullets',
 				bg: 'var(--bg)',
 			} : null),
 			list: null,
diff --git a/packages/client/src/pages/not-found.vue b/packages/client/src/pages/not-found.vue
index cdeb54b88..698d7ef7d 100644
--- a/packages/client/src/pages/not-found.vue
+++ b/packages/client/src/pages/not-found.vue
@@ -14,7 +14,7 @@ import { i18n } from '@/i18n';
 defineExpose({
 	[symbols.PAGE_INFO]: {
 		title: i18n.ts.notFound,
-		icon: 'fas fa-exclamation-triangle',
+		icon: 'ph-warning',
 		bg: 'var(--bg)',
 	},
 });
diff --git a/packages/client/src/pages/notifications.vue b/packages/client/src/pages/notifications.vue
index 36e423e53..dd5cd4d7a 100644
--- a/packages/client/src/pages/notifications.vue
+++ b/packages/client/src/pages/notifications.vue
@@ -38,7 +38,7 @@ function setFilter(ev) {
 defineExpose({
 	[symbols.PAGE_INFO]: computed(() => ({
 		title: i18n.ts.notifications,
-		icon: 'fas fa-bell',
+		icon: 'ph-bell',
 		bg: 'var(--bg)',
 		actions: [{
 			text: i18n.ts.filter,
@@ -47,7 +47,7 @@ defineExpose({
 			handler: setFilter,
 		}, {
 			text: i18n.ts.markAllAsRead,
-			icon: 'fas fa-check',
+			icon: 'ph-check',
 			handler: () => {
 				os.apiWithDialog('notifications/mark-all-as-read');
 			},
diff --git a/packages/client/src/pages/page-editor/els/page-editor.el.if.vue b/packages/client/src/pages/page-editor/els/page-editor.el.if.vue
index be3a520ea..549eda2da 100644
--- a/packages/client/src/pages/page-editor/els/page-editor.el.if.vue
+++ b/packages/client/src/pages/page-editor/els/page-editor.el.if.vue
@@ -4,7 +4,7 @@
 	<template #header><i class="fas fa-question"></i> {{ $ts._pages.blocks.if }}</template>
 	<template #func>
 		<button class="_button" @click="add()">
-			<i class="fas fa-plus"></i>
+			<i class="ph-plus"></i>
 		</button>
 	</template>
 
diff --git a/packages/client/src/pages/page-editor/els/page-editor.el.image.vue b/packages/client/src/pages/page-editor/els/page-editor.el.image.vue
index 9a6adab30..3bfcc24a4 100644
--- a/packages/client/src/pages/page-editor/els/page-editor.el.image.vue
+++ b/packages/client/src/pages/page-editor/els/page-editor.el.image.vue
@@ -4,7 +4,7 @@
 	<template #header><i class="fas fa-image"></i> {{ $ts._pages.blocks.image }}</template>
 	<template #func>
 		<button @click="choose()">
-			<i class="fas fa-folder-open"></i>
+			<i class="ph-folder-open"></i>
 		</button>
 	</template>
 
diff --git a/packages/client/src/pages/page-editor/els/page-editor.el.section.vue b/packages/client/src/pages/page-editor/els/page-editor.el.section.vue
index 1684895fe..13bb81e65 100644
--- a/packages/client/src/pages/page-editor/els/page-editor.el.section.vue
+++ b/packages/client/src/pages/page-editor/els/page-editor.el.section.vue
@@ -4,10 +4,10 @@
 	<template #header><i class="fas fa-sticky-note"></i> {{ value.title }}</template>
 	<template #func>
 		<button class="_button" @click="rename()">
-			<i class="fas fa-pencil-alt"></i>
+			<i class="ph-pencil"></i>
 		</button>
 		<button class="_button" @click="add()">
-			<i class="fas fa-plus"></i>
+			<i class="ph-plus"></i>
 		</button>
 	</template>
 
diff --git a/packages/client/src/pages/page-editor/page-editor.container.vue b/packages/client/src/pages/page-editor/page-editor.container.vue
index 6927e5586..f8f20498a 100644
--- a/packages/client/src/pages/page-editor/page-editor.container.vue
+++ b/packages/client/src/pages/page-editor/page-editor.container.vue
@@ -5,14 +5,14 @@
 		<div class="buttons">
 			<slot name="func"></slot>
 			<button v-if="removable" class="_button" @click="remove()">
-				<i class="fas fa-trash-alt"></i>
+				<i class="ph-trash"></i>
 			</button>
 			<button v-if="draggable" class="drag-handle _button">
 				<i class="fas fa-bars"></i>
 			</button>
 			<button class="_button" @click="toggleContent(!showBody)">
-				<template v-if="showBody"><i class="fas fa-angle-up"></i></template>
-				<template v-else><i class="fas fa-angle-down"></i></template>
+				<template v-if="showBody"><i class="ph-caret-up"></i></template>
+				<template v-else><i class="ph-caret-down"></i></template>
 			</button>
 		</div>
 	</header>
diff --git a/packages/client/src/pages/page-editor/page-editor.script-block.vue b/packages/client/src/pages/page-editor/page-editor.script-block.vue
index ded9368b8..b39a6a2fc 100644
--- a/packages/client/src/pages/page-editor/page-editor.script-block.vue
+++ b/packages/client/src/pages/page-editor/page-editor.script-block.vue
@@ -4,7 +4,7 @@
 	<template #header><i v-if="icon" :class="icon"></i> <template v-if="title">{{ title }} <span v-if="typeText" class="turmquns">({{ typeText }})</span></template><template v-else-if="typeText">{{ typeText }}</template></template>
 	<template #func>
 		<button class="_button" @click="changeType()">
-			<i class="fas fa-pencil-alt"></i>
+			<i class="ph-pencil"></i>
 		</button>
 	</template>
 
diff --git a/packages/client/src/pages/page-editor/page-editor.vue b/packages/client/src/pages/page-editor/page-editor.vue
index 956659261..1c55dd8f1 100644
--- a/packages/client/src/pages/page-editor/page-editor.vue
+++ b/packages/client/src/pages/page-editor/page-editor.vue
@@ -4,7 +4,7 @@
 		<MkButton v-if="pageId" class="button" inline link :to="`/@${ author.username }/pages/${ currentName }`"><i class="fas fa-external-link-square-alt"></i> {{ $ts._pages.viewPage }}</MkButton>
 		<MkButton v-if="!readonly" inline primary class="button" @click="save"><i class="fas fa-save"></i> {{ $ts.save }}</MkButton>
 		<MkButton v-if="pageId" inline class="button" @click="duplicate"><i class="fas fa-copy"></i> {{ $ts.duplicate }}</MkButton>
-		<MkButton v-if="pageId && !readonly" inline class="button" danger @click="del"><i class="fas fa-trash-alt"></i> {{ $ts.delete }}</MkButton>
+		<MkButton v-if="pageId && !readonly" inline class="button" danger @click="del"><i class="ph-trash"></i> {{ $ts.delete }}</MkButton>
 	</div>
 
 	<div v-if="tab === 'settings'">
@@ -33,10 +33,10 @@
 			<MkSwitch v-model="hideTitleWhenPinned" class="_formBlock">{{ $ts._pages.hideTitleWhenPinned }}</MkSwitch>
 
 			<div class="eyeCatch">
-				<MkButton v-if="eyeCatchingImageId == null && !readonly" @click="setEyeCatchingImage"><i class="fas fa-plus"></i> {{ $ts._pages.eyeCatchingImageSet }}</MkButton>
+				<MkButton v-if="eyeCatchingImageId == null && !readonly" @click="setEyeCatchingImage"><i class="ph-plus"></i> {{ $ts._pages.eyeCatchingImageSet }}</MkButton>
 				<div v-else-if="eyeCatchingImage">
 					<img :src="eyeCatchingImage.url" :alt="eyeCatchingImage.name" style="max-width: 100%;"/>
-					<MkButton v-if="!readonly" @click="removeEyeCatchingImage()"><i class="fas fa-trash-alt"></i> {{ $ts._pages.eyeCatchingImageRemove }}</MkButton>
+					<MkButton v-if="!readonly" @click="removeEyeCatchingImage()"><i class="ph-trash"></i> {{ $ts._pages.eyeCatchingImageRemove }}</MkButton>
 				</div>
 			</div>
 		</div>
@@ -46,7 +46,7 @@
 		<div>
 			<XBlocks v-model="content" class="content" :hpml="hpml"/>
 
-			<MkButton v-if="!readonly" @click="add()"><i class="fas fa-plus"></i></MkButton>
+			<MkButton v-if="!readonly" @click="add()"><i class="ph-plus"></i></MkButton>
 		</div>
 	</div>
 
@@ -66,7 +66,7 @@
 				</template>
 			</XDraggable>
 
-			<MkButton v-if="!readonly" class="add" @click="addVariable()"><i class="fas fa-plus"></i></MkButton>
+			<MkButton v-if="!readonly" class="add" @click="addVariable()"><i class="ph-plus"></i></MkButton>
 		</div>
 	</div>
 
@@ -144,12 +144,12 @@ export default defineComponent({
 				}
 				return {
 					title: title,
-					icon: 'fas fa-pencil-alt',
+					icon: 'ph-pencil',
 					bg: 'var(--bg)',
 					tabs: [{
 						active: this.tab === 'settings',
 						title: this.$ts._pages.pageSetting,
-						icon: 'fas fa-cog',
+						icon: 'ph-gear',
 						onClick: () => { this.tab = 'settings'; },
 					}, {
 						active: this.tab === 'contents',
diff --git a/packages/client/src/pages/page.vue b/packages/client/src/pages/page.vue
index 5bca97143..841c4f05e 100644
--- a/packages/client/src/pages/page.vue
+++ b/packages/client/src/pages/page.vue
@@ -20,8 +20,8 @@
 						<MkButton v-else v-tooltip="$ts._pages.like" class="button" @click="like()"><i class="far fa-heart"></i><span v-if="page.likedCount > 0" class="count">{{ page.likedCount }}</span></MkButton>
 					</div>
 					<div class="other">
-						<button v-tooltip="$ts.shareWithNote" v-click-anime class="_button" @click="shareWithNote"><i class="fas fa-retweet fa-fw"></i></button>
-						<button v-tooltip="$ts.share" v-click-anime class="_button" @click="share"><i class="fas fa-share-alt fa-fw"></i></button>
+						<button v-tooltip="$ts.shareWithNote" v-click-anime class="_button" @click="shareWithNote"><i class="fas fa-retweet ph-fw"></i></button>
+						<button v-tooltip="$ts.share" v-click-anime class="_button" @click="share"><i class="fas fa-share-alt ph-fw"></i></button>
 					</div>
 				</div>
 				<div class="user">
diff --git a/packages/client/src/pages/pages.vue b/packages/client/src/pages/pages.vue
index dcccf7f7c..aeae72afb 100644
--- a/packages/client/src/pages/pages.vue
+++ b/packages/client/src/pages/pages.vue
@@ -7,7 +7,7 @@
 	</div>
 
 	<div v-else-if="tab === 'my'" class="rknalgpo my">
-		<MkButton class="new" @click="create()"><i class="fas fa-plus"></i></MkButton>
+		<MkButton class="new" @click="create()"><i class="ph-plus"></i></MkButton>
 		<MkPagination v-slot="{items}" :pagination="myPagesPagination">
 			<MkPagePreview v-for="page in items" :key="page.id" class="ckltabjg" :page="page"/>
 		</MkPagination>
@@ -39,14 +39,14 @@ export default defineComponent({
 				icon: 'fas fa-sticky-note',
 				bg: 'var(--bg)',
 				actions: [{
-					icon: 'fas fa-plus',
+					icon: 'ph-plus',
 					text: this.$ts.create,
 					handler: this.create,
 				}],
 				tabs: [{
 					active: this.tab === 'featured',
 					title: this.$ts._pages.featured,
-					icon: 'fas fa-fire-alt',
+					icon: 'ph-fire',
 					onClick: () => { this.tab = 'featured'; },
 				}, {
 					active: this.tab === 'my',
diff --git a/packages/client/src/pages/preview.vue b/packages/client/src/pages/preview.vue
index 4accac419..506198a90 100644
--- a/packages/client/src/pages/preview.vue
+++ b/packages/client/src/pages/preview.vue
@@ -13,7 +13,7 @@ import { i18n } from '@/i18n';
 defineExpose({
 	[symbols.PAGE_INFO]: computed(() => ({
 		title: i18n.ts.preview,
-		icon: 'fas fa-eye',
+		icon: 'ph-eye',
 		bg: 'var(--bg)',
 	})),
 });
diff --git a/packages/client/src/pages/reset-password.vue b/packages/client/src/pages/reset-password.vue
index b3e2ca8d6..69d2d4050 100644
--- a/packages/client/src/pages/reset-password.vue
+++ b/packages/client/src/pages/reset-password.vue
@@ -2,7 +2,7 @@
 <MkSpacer v-if="token" :content-max="700" :margin-min="16" :margin-max="32">
 	<div class="_formRoot">
 		<FormInput v-model="password" type="password" class="_formBlock">
-			<template #prefix><i class="fas fa-lock"></i></template>
+			<template #prefix><i class="ph-lock"></i></template>
 			<template #label>{{ i18n.ts.newPassword }}</template>
 		</FormInput>
 		
@@ -44,7 +44,7 @@ onMounted(() => {
 defineExpose({
 	[symbols.PAGE_INFO]: {
 		title: i18n.ts.resetPassword,
-		icon: 'fas fa-lock',
+		icon: 'ph-lock',
 		bg: 'var(--bg)',
 	},
 });
diff --git a/packages/client/src/pages/scratchpad.vue b/packages/client/src/pages/scratchpad.vue
index 34a41b81a..0954ef52f 100644
--- a/packages/client/src/pages/scratchpad.vue
+++ b/packages/client/src/pages/scratchpad.vue
@@ -109,7 +109,7 @@ function highlighter(code) {
 defineExpose({
 	[symbols.PAGE_INFO]: {
 		title: i18n.ts.scratchpad,
-		icon: 'fas fa-terminal',
+		icon: 'ph-terminal',
 	},
 });
 </script>
diff --git a/packages/client/src/pages/search.vue b/packages/client/src/pages/search.vue
index ce2b7035d..52c68fa76 100644
--- a/packages/client/src/pages/search.vue
+++ b/packages/client/src/pages/search.vue
@@ -29,7 +29,7 @@ const pagination = {
 defineExpose({
 	[symbols.PAGE_INFO]: computed(() => ({
 		title: i18n.t('searchWith', { q: props.query }),
-		icon: 'fas fa-search',
+		icon: 'ph-magnifying-glass',
 		bg: 'var(--bg)',
 	})),
 });
diff --git a/packages/client/src/pages/settings/2fa.vue b/packages/client/src/pages/settings/2fa.vue
index fb3a7a17f..a619cd327 100644
--- a/packages/client/src/pages/settings/2fa.vue
+++ b/packages/client/src/pages/settings/2fa.vue
@@ -26,7 +26,7 @@
 			<ol v-if="registration && !registration.error">
 				<li v-if="registration.stage >= 0">
 					{{ i18n.ts.tapSecurityKey }}
-					<i v-if="registration.saving && registration.stage == 0" class="fas fa-spinner fa-pulse fa-fw"></i>
+					<i v-if="registration.saving && registration.stage == 0" class="fas fa-spinner fa-pulse ph-fw"></i>
 				</li>
 				<li v-if="registration.stage >= 1">
 					<MkForm :disabled="registration.stage != 1 || registration.saving">
@@ -34,7 +34,7 @@
 							<template #label>{{ i18n.ts.securityKeyName }}</template>
 						</MkInput>
 						<MkButton :disabled="keyName.length == 0" @click="registerKey">{{ i18n.ts.registerSecurityKey }}</MkButton>
-						<i v-if="registration.saving && registration.stage == 1" class="fas fa-spinner fa-pulse fa-fw"></i>
+						<i v-if="registration.saving && registration.stage == 1" class="fas fa-spinner fa-pulse ph-fw"></i>
 					</MkForm>
 				</li>
 			</ol>
diff --git a/packages/client/src/pages/settings/account-info.vue b/packages/client/src/pages/settings/account-info.vue
index 12142b4dc..d5ca031e9 100644
--- a/packages/client/src/pages/settings/account-info.vue
+++ b/packages/client/src/pages/settings/account-info.vue
@@ -150,7 +150,7 @@ onMounted(() => {
 defineExpose({
 	[symbols.PAGE_INFO]: {
 		title: i18n.ts.accountInfo,
-		icon: 'fas fa-info-circle'
+		icon: 'ph-info'
 	}
 });
 </script>
diff --git a/packages/client/src/pages/settings/accounts.vue b/packages/client/src/pages/settings/accounts.vue
index 5e75639c5..070f8ee4a 100644
--- a/packages/client/src/pages/settings/accounts.vue
+++ b/packages/client/src/pages/settings/accounts.vue
@@ -1,7 +1,7 @@
 <template>
 <div class="_formRoot">
 	<FormSuspense :p="init">
-		<FormButton primary @click="addAccount"><i class="fas fa-plus"></i> {{ i18n.ts.addAccount }}</FormButton>
+		<FormButton primary @click="addAccount"><i class="ph-plus"></i> {{ i18n.ts.addAccount }}</FormButton>
 
 		<div v-for="account in accounts" :key="account.id" class="_panel _button lcjjdxlm" @click="menu(account, $event)">
 			<div class="avatar">
@@ -54,7 +54,7 @@ function menu(account, ev) {
 		action: () => switchAccount(account),
 	}, {
 		text: i18n.ts.remove,
-		icon: 'fas fa-trash-alt',
+		icon: 'ph-trash',
 		danger: true,
 		action: () => removeAccount(account),
 	}], ev.currentTarget ?? ev.target);
@@ -101,7 +101,7 @@ function switchAccountWithToken(token: string) {
 defineExpose({
 	[symbols.PAGE_INFO]: {
 		title: i18n.ts.accounts,
-		icon: 'fas fa-users',
+		icon: 'ph-users-three',
 		bg: 'var(--bg)',
 	}
 });
diff --git a/packages/client/src/pages/settings/apps.vue b/packages/client/src/pages/settings/apps.vue
index 7b0b5548d..fe3c1458c 100644
--- a/packages/client/src/pages/settings/apps.vue
+++ b/packages/client/src/pages/settings/apps.vue
@@ -22,7 +22,7 @@
 						<div><MkTime :time="token.lastUsedAt"/></div>
 					</div>
 					<div class="actions">
-						<button class="_button" @click="revoke(token)"><i class="fas fa-trash-alt"></i></button>
+						<button class="_button" @click="revoke(token)"><i class="ph-trash"></i></button>
 					</div>
 					<details>
 						<summary>{{ i18n.ts.details }}</summary>
diff --git a/packages/client/src/pages/settings/deck.vue b/packages/client/src/pages/settings/deck.vue
index 2d868aa0a..f5cece968 100644
--- a/packages/client/src/pages/settings/deck.vue
+++ b/packages/client/src/pages/settings/deck.vue
@@ -73,7 +73,7 @@ async function setProfile() {
 defineExpose({
 	[symbols.PAGE_INFO]: {
 		title: i18n.ts.deck,
-		icon: 'fas fa-columns',
+		icon: 'ph-layout',
 		bg: 'var(--bg)',
 	}
 });
diff --git a/packages/client/src/pages/settings/delete-account.vue b/packages/client/src/pages/settings/delete-account.vue
index e9f19aaf0..99f0be0f4 100644
--- a/packages/client/src/pages/settings/delete-account.vue
+++ b/packages/client/src/pages/settings/delete-account.vue
@@ -45,7 +45,7 @@ async function deleteAccount() {
 defineExpose({
 	[symbols.PAGE_INFO]: {
 		title: i18n.ts._accountDelete.accountDelete,
-		icon: 'fas fa-exclamation-triangle',
+		icon: 'ph-warning',
 		bg: 'var(--bg)',
 	}
 });
diff --git a/packages/client/src/pages/settings/drive.vue b/packages/client/src/pages/settings/drive.vue
index 09a2537ed..61f0cef70 100644
--- a/packages/client/src/pages/settings/drive.vue
+++ b/packages/client/src/pages/settings/drive.vue
@@ -26,7 +26,7 @@
 		<FormLink @click="chooseUploadFolder()">
 			{{ i18n.ts.uploadFolder }}
 			<template #suffix>{{ uploadFolder ? uploadFolder.name : '-' }}</template>
-			<template #suffixIcon><i class="fas fa-folder-open"></i></template>
+			<template #suffixIcon><i class="ph-folder-open"></i></template>
 		</FormLink>
 		<FormSwitch v-model="keepOriginalUploading" class="_formBlock">{{ i18n.ts.keepOriginalUploading }}<template #caption>{{ i18n.ts.keepOriginalUploadingDescription }}</template></FormSwitch>
 	</FormSection>
@@ -97,7 +97,7 @@ function chooseUploadFolder() {
 defineExpose({
 	[symbols.PAGE_INFO]: {
 		title: i18n.ts.drive,
-		icon: 'fas fa-cloud',
+		icon: 'ph-cloud',
 		bg: 'var(--bg)',
 	}
 });
diff --git a/packages/client/src/pages/settings/email.vue b/packages/client/src/pages/settings/email.vue
index 37f14068e..52abecbab 100644
--- a/packages/client/src/pages/settings/email.vue
+++ b/packages/client/src/pages/settings/email.vue
@@ -3,9 +3,9 @@
 	<FormSection>
 		<template #label>{{ $ts.emailAddress }}</template>
 		<FormInput v-model="emailAddress" type="email" manual-save>
-			<template #prefix><i class="fas fa-envelope"></i></template>
+			<template #prefix><i class="ph-envelope-simple"></i></template>
 			<template v-if="$i.email && !$i.emailVerified" #caption>{{ $ts.verificationEmailSent }}</template>
-			<template v-else-if="emailAddress === $i.email && $i.emailVerified" #caption><i class="fas fa-check" style="color: var(--success);"></i> {{ $ts.emailVerified }}</template>
+			<template v-else-if="emailAddress === $i.email && $i.emailVerified" #caption><i class="ph-check" style="color: var(--success);"></i> {{ $ts.emailVerified }}</template>
 		</FormInput>
 	</FormSection>
 
@@ -103,7 +103,7 @@ onMounted(() => {
 defineExpose({
 	[symbols.PAGE_INFO]: {
 		title: i18n.ts.email,
-		icon: 'fas fa-envelope',
+		icon: 'ph-envelope-simple',
 		bg: 'var(--bg)',
 	}
 });
diff --git a/packages/client/src/pages/settings/general.vue b/packages/client/src/pages/settings/general.vue
index 64b8cc310..5ffc42992 100644
--- a/packages/client/src/pages/settings/general.vue
+++ b/packages/client/src/pages/settings/general.vue
@@ -181,7 +181,7 @@ watch([
 defineExpose({
 	[symbols.PAGE_INFO]: {
 		title: i18n.ts.general,
-		icon: 'fas fa-cogs',
+		icon: 'ph-gears',
 		bg: 'var(--bg)'
 	}
 });
diff --git a/packages/client/src/pages/settings/import-export.vue b/packages/client/src/pages/settings/import-export.vue
index 127cbcd4c..98a8c9c41 100644
--- a/packages/client/src/pages/settings/import-export.vue
+++ b/packages/client/src/pages/settings/import-export.vue
@@ -2,7 +2,7 @@
 <div class="_formRoot">
 	<FormSection>
 		<template #label>{{ $ts._exportOrImport.allNotes }}</template>
-		<MkButton :class="$style.button" inline @click="exportNotes()"><i class="fas fa-download"></i> {{ $ts.export }}</MkButton>
+		<MkButton :class="$style.button" inline @click="exportNotes()"><i class="ph-download-simple"></i> {{ $ts.export }}</MkButton>
 	</FormSection>
 	<FormSection>
 		<template #label>{{ $ts._exportOrImport.followingList }}</template>
@@ -13,7 +13,7 @@
 			<FormSwitch v-model="excludeInactiveUsers" class="_formBlock">
 				{{ $ts._exportOrImport.excludeInactiveUsers }}
 			</FormSwitch>
-			<MkButton :class="$style.button" inline @click="exportFollowing()"><i class="fas fa-download"></i> {{ $ts.export }}</MkButton>
+			<MkButton :class="$style.button" inline @click="exportFollowing()"><i class="ph-download-simple"></i> {{ $ts.export }}</MkButton>
 		</FormGroup>
 		<FormGroup>
 			<MkButton :class="$style.button" inline @click="importFollowing($event)"><i class="fas fa-upload"></i> {{ $ts.import }}</MkButton>
@@ -21,17 +21,17 @@
 	</FormSection>
 	<FormSection>
 		<template #label>{{ $ts._exportOrImport.userLists }}</template>
-		<MkButton :class="$style.button" inline @click="exportUserLists()"><i class="fas fa-download"></i> {{ $ts.export }}</MkButton>
+		<MkButton :class="$style.button" inline @click="exportUserLists()"><i class="ph-download-simple"></i> {{ $ts.export }}</MkButton>
 		<MkButton :class="$style.button" inline @click="importUserLists($event)"><i class="fas fa-upload"></i> {{ $ts.import }}</MkButton>
 	</FormSection>
 	<FormSection>
 		<template #label>{{ $ts._exportOrImport.muteList }}</template>
-		<MkButton :class="$style.button" inline @click="exportMuting()"><i class="fas fa-download"></i> {{ $ts.export }}</MkButton>
+		<MkButton :class="$style.button" inline @click="exportMuting()"><i class="ph-download-simple"></i> {{ $ts.export }}</MkButton>
 		<MkButton :class="$style.button" inline @click="importMuting($event)"><i class="fas fa-upload"></i> {{ $ts.import }}</MkButton>
 	</FormSection>
 	<FormSection>
 		<template #label>{{ $ts._exportOrImport.blockingList }}</template>
-		<MkButton :class="$style.button" inline @click="exportBlocking()"><i class="fas fa-download"></i> {{ $ts.export }}</MkButton>
+		<MkButton :class="$style.button" inline @click="exportBlocking()"><i class="ph-download-simple"></i> {{ $ts.export }}</MkButton>
 		<MkButton :class="$style.button" inline @click="importBlocking($event)"><i class="fas fa-upload"></i> {{ $ts.import }}</MkButton>
 	</FormSection>
 </div>
diff --git a/packages/client/src/pages/settings/index.vue b/packages/client/src/pages/settings/index.vue
index e6670ea93..0782ea96c 100644
--- a/packages/client/src/pages/settings/index.vue
+++ b/packages/client/src/pages/settings/index.vue
@@ -44,7 +44,7 @@ const props = defineProps<{
 
 const indexInfo = {
 	title: i18n.ts.settings,
-	icon: 'fas fa-cog',
+	icon: 'ph-gear',
 	bg: 'var(--bg)',
 	hideHeader: true,
 };
@@ -70,27 +70,27 @@ const menuDef = computed(() => [{
 		to: '/settings/profile',
 		active: props.initialPage === 'profile',
 	}, {
-		icon: 'fas fa-lock-open',
+		icon: 'ph-lock-open',
 		text: i18n.ts.privacy,
 		to: '/settings/privacy',
 		active: props.initialPage === 'privacy',
 	}, {
-		icon: 'fas fa-laugh',
+		icon: 'ph-smiley',
 		text: i18n.ts.reaction,
 		to: '/settings/reaction',
 		active: props.initialPage === 'reaction',
 	}, {
-		icon: 'fas fa-cloud',
+		icon: 'ph-cloud',
 		text: i18n.ts.drive,
 		to: '/settings/drive',
 		active: props.initialPage === 'drive',
 	}, {
-		icon: 'fas fa-bell',
+		icon: 'ph-bell',
 		text: i18n.ts.notifications,
 		to: '/settings/notifications',
 		active: props.initialPage === 'notifications',
 	}, {
-		icon: 'fas fa-envelope',
+		icon: 'ph-envelope-simple',
 		text: i18n.ts.email,
 		to: '/settings/email',
 		active: props.initialPage === 'email',
@@ -100,7 +100,7 @@ const menuDef = computed(() => [{
 		to: '/settings/integration',
 		active: props.initialPage === 'integration',
 	}, {
-		icon: 'fas fa-lock',
+		icon: 'ph-lock',
 		text: i18n.ts.security,
 		to: '/settings/security',
 		active: props.initialPage === 'security',
@@ -108,7 +108,7 @@ const menuDef = computed(() => [{
 }, {
 	title: i18n.ts.clientSettings,
 	items: [{
-		icon: 'fas fa-cogs',
+		icon: 'ph-gears',
 		text: i18n.ts.general,
 		to: '/settings/general',
 		active: props.initialPage === 'general',
@@ -118,12 +118,12 @@ const menuDef = computed(() => [{
 		to: '/settings/theme',
 		active: props.initialPage === 'theme',
 	}, {
-		icon: 'fas fa-list-ul',
+		icon: 'ph-list-bullets',
 		text: i18n.ts.menu,
 		to: '/settings/menu',
 		active: props.initialPage === 'menu',
 	}, {
-		icon: 'fas fa-music',
+		icon: 'ph-headphones',
 		text: i18n.ts.sounds,
 		to: '/settings/sounds',
 		active: props.initialPage === 'sounds',
diff --git a/packages/client/src/pages/settings/menu.vue b/packages/client/src/pages/settings/menu.vue
index 2288c3f71..097103781 100644
--- a/packages/client/src/pages/settings/menu.vue
+++ b/packages/client/src/pages/settings/menu.vue
@@ -79,7 +79,7 @@ watch(menuDisplay, async () => {
 defineExpose({
 	[symbols.PAGE_INFO]: {
 		title: i18n.ts.menu,
-		icon: 'fas fa-list-ul',
+		icon: 'ph-list-bullets',
 		bg: 'var(--bg)',
 	}
 });
diff --git a/packages/client/src/pages/settings/notifications.vue b/packages/client/src/pages/settings/notifications.vue
index b8fff95a8..778697adc 100644
--- a/packages/client/src/pages/settings/notifications.vue
+++ b/packages/client/src/pages/settings/notifications.vue
@@ -1,6 +1,6 @@
 <template>
 <div class="_formRoot">
-	<FormLink class="_formBlock" @click="configure"><template #icon><i class="fas fa-cog"></i></template>{{ i18n.ts.notificationSetting }}</FormLink>
+	<FormLink class="_formBlock" @click="configure"><template #icon><i class="ph-gear"></i></template>{{ i18n.ts.notificationSetting }}</FormLink>
 	<FormSection>
 		<FormLink class="_formBlock" @click="readAllNotifications">{{ i18n.ts.markAsReadAllNotifications }}</FormLink>
 		<FormLink class="_formBlock" @click="readAllUnreadNotes">{{ i18n.ts.markAsReadAllUnreadNotes }}</FormLink>
@@ -52,7 +52,7 @@ function configure() {
 defineExpose({
 	[symbols.PAGE_INFO]: {
 		title: i18n.ts.notifications,
-		icon: 'fas fa-bell',
+		icon: 'ph-bell',
 		bg: 'var(--bg)',
 	}
 });
diff --git a/packages/client/src/pages/settings/other.vue b/packages/client/src/pages/settings/other.vue
index 82e174a5b..a95c738fc 100644
--- a/packages/client/src/pages/settings/other.vue
+++ b/packages/client/src/pages/settings/other.vue
@@ -10,7 +10,7 @@
 
 	<FormLink to="/settings/account-info" class="_formBlock">{{ i18n.ts.accountInfo }}</FormLink>
 
-	<FormLink to="/settings/delete-account" class="_formBlock"><template #icon><i class="fas fa-exclamation-triangle"></i></template>{{ i18n.ts.closeAccount }}</FormLink>
+	<FormLink to="/settings/delete-account" class="_formBlock"><template #icon><i class="ph-warning"></i></template>{{ i18n.ts.closeAccount }}</FormLink>
 </div>
 </template>
 
diff --git a/packages/client/src/pages/settings/plugin.install.vue b/packages/client/src/pages/settings/plugin.install.vue
index 96c0abfd9..e3d11e2f9 100644
--- a/packages/client/src/pages/settings/plugin.install.vue
+++ b/packages/client/src/pages/settings/plugin.install.vue
@@ -7,7 +7,7 @@
 	</FormTextarea>
 
 	<div class="_formBlock">
-		<FormButton :disabled="code == null" primary inline @click="install"><i class="fas fa-check"></i> {{ i18n.ts.install }}</FormButton>
+		<FormButton :disabled="code == null" primary inline @click="install"><i class="ph-check"></i> {{ i18n.ts.install }}</FormButton>
 	</div>
 </div>
 </template>
@@ -116,7 +116,7 @@ async function install() {
 defineExpose({
 	[symbols.PAGE_INFO]: {
 		title: i18n.ts._plugin.install,
-		icon: 'fas fa-download',
+		icon: 'ph-download-simple',
 		bg: 'var(--bg)',
 	}
 });
diff --git a/packages/client/src/pages/settings/plugin.vue b/packages/client/src/pages/settings/plugin.vue
index 873a022cb..c8e7ceca6 100644
--- a/packages/client/src/pages/settings/plugin.vue
+++ b/packages/client/src/pages/settings/plugin.vue
@@ -1,6 +1,6 @@
 <template>
 <div class="_formRoot">
-	<FormLink to="/settings/plugin/install"><template #icon><i class="fas fa-download"></i></template>{{ i18n.ts._plugin.install }}</FormLink>
+	<FormLink to="/settings/plugin/install"><template #icon><i class="ph-download-simple"></i></template>{{ i18n.ts._plugin.install }}</FormLink>
 
 	<FormSection>
 		<template #label>{{ i18n.ts.manage }}</template>
@@ -23,8 +23,8 @@
 			</MkKeyValue>
 
 			<div style="display: flex; gap: var(--margin); flex-wrap: wrap;">
-				<MkButton v-if="plugin.config" inline @click="config(plugin)"><i class="fas fa-cog"></i> {{ i18n.ts.settings }}</MkButton>
-				<MkButton inline danger @click="uninstall(plugin)"><i class="fas fa-trash-alt"></i> {{ i18n.ts.uninstall }}</MkButton>
+				<MkButton v-if="plugin.config" inline @click="config(plugin)"><i class="ph-gear"></i> {{ i18n.ts.settings }}</MkButton>
+				<MkButton inline danger @click="uninstall(plugin)"><i class="ph-trash"></i> {{ i18n.ts.uninstall }}</MkButton>
 			</div>
 		</div>
 	</FormSection>
diff --git a/packages/client/src/pages/settings/privacy.vue b/packages/client/src/pages/settings/privacy.vue
index a84d2f878..bf01668a8 100644
--- a/packages/client/src/pages/settings/privacy.vue
+++ b/packages/client/src/pages/settings/privacy.vue
@@ -87,7 +87,7 @@ function save() {
 defineExpose({
 	[symbols.PAGE_INFO]: {
 		title: i18n.ts.privacy,
-		icon: 'fas fa-lock-open',
+		icon: 'ph-lock-open',
 		bg: 'var(--bg)',
 	},
 });
diff --git a/packages/client/src/pages/settings/profile.vue b/packages/client/src/pages/settings/profile.vue
index b64dc93cc..ff9c68af7 100644
--- a/packages/client/src/pages/settings/profile.vue
+++ b/packages/client/src/pages/settings/profile.vue
@@ -46,8 +46,8 @@
 						<template #label>{{ i18n.ts._profile.metadataContent }} #{{ i + 1 }}</template>
 					</FormInput>
 				</FormSplit>
-				<MkButton :disabled="fields.length >= 16" inline style="margin-right: 8px;" @click="addField"><i class="fas fa-plus"></i> {{ i18n.ts.add }}</MkButton>
-				<MkButton inline primary @click="saveFields"><i class="fas fa-check"></i> {{ i18n.ts.save }}</MkButton>
+				<MkButton :disabled="fields.length >= 16" inline style="margin-right: 8px;" @click="addField"><i class="ph-plus"></i> {{ i18n.ts.add }}</MkButton>
+				<MkButton inline primary @click="saveFields"><i class="ph-check"></i> {{ i18n.ts.save }}</MkButton>
 			</div>
 		</FormFolder>
 		<template #caption>{{ i18n.ts._profile.metadataDescription }}</template>
diff --git a/packages/client/src/pages/settings/reaction.vue b/packages/client/src/pages/settings/reaction.vue
index 963ac81df..1c726fb73 100644
--- a/packages/client/src/pages/settings/reaction.vue
+++ b/packages/client/src/pages/settings/reaction.vue
@@ -10,7 +10,7 @@
 					</button>
 				</template>
 				<template #footer>
-					<button class="_button add" @click="chooseEmoji"><i class="fas fa-plus"></i></button>
+					<button class="_button add" @click="chooseEmoji"><i class="ph-plus"></i></button>
 				</template>
 			</XDraggable>
 		</div>
@@ -46,7 +46,7 @@
 
 	<FormSection>
 		<div style="display: flex; gap: var(--margin); flex-wrap: wrap;">
-			<FormButton inline @click="preview"><i class="fas fa-eye"></i> {{ $ts.preview }}</FormButton>
+			<FormButton inline @click="preview"><i class="ph-eye"></i> {{ $ts.preview }}</FormButton>
 			<FormButton inline danger @click="setDefault"><i class="fas fa-undo"></i> {{ $ts.default }}</FormButton>
 		</div>
 	</FormSection>
@@ -123,9 +123,9 @@ watch($$(reactions), () => {
 defineExpose({
 	[symbols.PAGE_INFO]: {
 		title: i18n.ts.reaction,
-		icon: 'fas fa-laugh',
+		icon: 'ph-smiley',
 		action: {
-			icon: 'fas fa-eye',
+			icon: 'ph-eye',
 			handler: preview,
 		},
 		bg: 'var(--bg)',
diff --git a/packages/client/src/pages/settings/security.vue b/packages/client/src/pages/settings/security.vue
index 401648790..a9cbab534 100644
--- a/packages/client/src/pages/settings/security.vue
+++ b/packages/client/src/pages/settings/security.vue
@@ -17,8 +17,8 @@
 				<div>
 					<div v-for="item in items" :key="item.id" v-panel class="timnmucd">
 						<header>
-							<i v-if="item.success" class="fas fa-check icon succ"></i>
-							<i v-else class="fas fa-times-circle icon fail"></i>
+							<i v-if="item.success" class="ph-check icon succ"></i>
+							<i v-else class="ph-warning-circle icon fail"></i>
 							<code class="ip _monospace">{{ item.ip }}</code>
 							<MkTime :time="item.createdAt" class="time"/>
 						</header>
@@ -101,7 +101,7 @@ function regenerateToken() {
 defineExpose({
 	[symbols.PAGE_INFO]: {
 		title: i18n.ts.security,
-		icon: 'fas fa-lock',
+		icon: 'ph-lock',
 		bg: 'var(--bg)',
 	}
 });
diff --git a/packages/client/src/pages/settings/sounds.vue b/packages/client/src/pages/settings/sounds.vue
index d01e87c1f..dc9d2638c 100644
--- a/packages/client/src/pages/settings/sounds.vue
+++ b/packages/client/src/pages/settings/sounds.vue
@@ -127,7 +127,7 @@ function reset() {
 defineExpose({
 	[symbols.PAGE_INFO]: {
 		title: i18n.ts.sounds,
-		icon: 'fas fa-music',
+		icon: 'ph-headphones',
 		bg: 'var(--bg)',
 	}
 });
diff --git a/packages/client/src/pages/settings/theme.install.vue b/packages/client/src/pages/settings/theme.install.vue
index 25fa6c012..da3c3a4cb 100644
--- a/packages/client/src/pages/settings/theme.install.vue
+++ b/packages/client/src/pages/settings/theme.install.vue
@@ -5,8 +5,8 @@
 	</FormTextarea>
 
 	<div class="_formBlock" style="display: flex; gap: var(--margin); flex-wrap: wrap;">
-		<FormButton :disabled="installThemeCode == null" inline @click="() => preview(installThemeCode)"><i class="fas fa-eye"></i> {{ i18n.ts.preview }}</FormButton>
-		<FormButton :disabled="installThemeCode == null" primary inline @click="() => install(installThemeCode)"><i class="fas fa-check"></i> {{ i18n.ts.install }}</FormButton>
+		<FormButton :disabled="installThemeCode == null" inline @click="() => preview(installThemeCode)"><i class="ph-eye"></i> {{ i18n.ts.preview }}</FormButton>
+		<FormButton :disabled="installThemeCode == null" primary inline @click="() => install(installThemeCode)"><i class="ph-check"></i> {{ i18n.ts.install }}</FormButton>
 	</div>
 </div>
 </template>
@@ -72,7 +72,7 @@ async function install(code: string): Promise<void> {
 defineExpose({
 	[symbols.PAGE_INFO]: {
 		title: i18n.ts._theme.install,
-		icon: 'fas fa-download',
+		icon: 'ph-download-simple',
 		bg: 'var(--bg)',
 	},
 });
diff --git a/packages/client/src/pages/settings/theme.manage.vue b/packages/client/src/pages/settings/theme.manage.vue
index 94b2d2445..4ddf739cd 100644
--- a/packages/client/src/pages/settings/theme.manage.vue
+++ b/packages/client/src/pages/settings/theme.manage.vue
@@ -20,7 +20,7 @@
 			<template #label>{{ i18n.ts._theme.code }}</template>
 			<template #caption><button class="_textButton" @click="copyThemeCode()">{{ i18n.ts.copy }}</button></template>
 		</FormTextarea>
-		<FormButton v-if="!builtinThemes.some(t => t.id == selectedTheme.id)" class="_formBlock" danger @click="uninstall()"><i class="fas fa-trash-alt"></i> {{ i18n.ts.uninstall }}</FormButton>
+		<FormButton v-if="!builtinThemes.some(t => t.id == selectedTheme.id)" class="_formBlock" danger @click="uninstall()"><i class="ph-trash"></i> {{ i18n.ts.uninstall }}</FormButton>
 	</template>
 </div>
 </template>
@@ -70,7 +70,7 @@ function uninstall() {
 defineExpose({
 	[symbols.PAGE_INFO]: {
 		title: i18n.ts._theme.manage,
-		icon: 'fas fa-folder-open',
+		icon: 'ph-folder-open',
 		bg: 'var(--bg)',
 	}
 });
diff --git a/packages/client/src/pages/settings/theme.vue b/packages/client/src/pages/settings/theme.vue
index 5e7ffcff4..88b0465b2 100644
--- a/packages/client/src/pages/settings/theme.vue
+++ b/packages/client/src/pages/settings/theme.vue
@@ -73,9 +73,9 @@
 
 	<FormSection>
 		<div class="_formLinksGrid">
-			<FormLink to="/settings/theme/manage"><template #icon><i class="fas fa-folder-open"></i></template>{{ $ts._theme.manage }}<template #suffix>{{ themesCount }}</template></FormLink>
-			<FormLink to="https://assets.misskey.io/theme/list" external><template #icon><i class="fas fa-globe"></i></template>{{ $ts._theme.explore }}</FormLink>
-			<FormLink to="/settings/theme/install"><template #icon><i class="fas fa-download"></i></template>{{ $ts._theme.install }}</FormLink>
+			<FormLink to="/settings/theme/manage"><template #icon><i class="ph-folder-open"></i></template>{{ $ts._theme.manage }}<template #suffix>{{ themesCount }}</template></FormLink>
+			<FormLink to="https://assets.misskey.io/theme/list" external><template #icon><i class="ph-globe"></i></template>{{ $ts._theme.explore }}</FormLink>
+			<FormLink to="/settings/theme/install"><template #icon><i class="ph-download-simple"></i></template>{{ $ts._theme.install }}</FormLink>
 			<FormLink to="/theme-editor"><template #icon><i class="fas fa-paint-roller"></i></template>{{ $ts._theme.make }}</FormLink>
 		</div>
 	</FormSection>
diff --git a/packages/client/src/pages/settings/webhook.edit.vue b/packages/client/src/pages/settings/webhook.edit.vue
index 3690526b4..fd9cbe3e3 100644
--- a/packages/client/src/pages/settings/webhook.edit.vue
+++ b/packages/client/src/pages/settings/webhook.edit.vue
@@ -9,7 +9,7 @@
 	</FormInput>
 
 	<FormInput v-model="secret" class="_formBlock">
-		<template #prefix><i class="fas fa-lock"></i></template>
+		<template #prefix><i class="ph-lock"></i></template>
 		<template #label>Secret</template>
 	</FormInput>
 
@@ -28,7 +28,7 @@
 	<FormSwitch v-model="active" class="_formBlock">Active</FormSwitch>
 
 	<div class="_formBlock" style="display: flex; gap: var(--margin); flex-wrap: wrap;">
-		<FormButton primary inline @click="save"><i class="fas fa-check"></i> {{ i18n.ts.save }}</FormButton>
+		<FormButton primary inline @click="save"><i class="ph-check"></i> {{ i18n.ts.save }}</FormButton>
 	</div>
 </div>
 </template>
diff --git a/packages/client/src/pages/settings/webhook.new.vue b/packages/client/src/pages/settings/webhook.new.vue
index 9bb492c49..b0cb58853 100644
--- a/packages/client/src/pages/settings/webhook.new.vue
+++ b/packages/client/src/pages/settings/webhook.new.vue
@@ -9,7 +9,7 @@
 	</FormInput>
 
 	<FormInput v-model="secret" class="_formBlock">
-		<template #prefix><i class="fas fa-lock"></i></template>
+		<template #prefix><i class="ph-lock"></i></template>
 		<template #label>Secret</template>
 	</FormInput>
 
@@ -26,7 +26,7 @@
 	</FormSection>
 
 	<div class="_formBlock" style="display: flex; gap: var(--margin); flex-wrap: wrap;">
-		<FormButton primary inline @click="create"><i class="fas fa-check"></i> {{ i18n.ts.create }}</FormButton>
+		<FormButton primary inline @click="create"><i class="ph-check"></i> {{ i18n.ts.create }}</FormButton>
 	</div>
 </div>
 </template>
diff --git a/packages/client/src/pages/settings/webhook.vue b/packages/client/src/pages/settings/webhook.vue
index c9af8b676..4d269efe1 100644
--- a/packages/client/src/pages/settings/webhook.vue
+++ b/packages/client/src/pages/settings/webhook.vue
@@ -13,7 +13,7 @@
 					<template #icon>
 						<i v-if="webhook.active === false" class="fas fa-circle-pause"></i>
 						<i v-else-if="webhook.latestStatus === null" class="far fa-circle"></i>
-						<i v-else-if="[200, 201, 204].includes(webhook.latestStatus)" class="fas fa-check" :style="{ color: 'var(--success)' }"></i>
+						<i v-else-if="[200, 201, 204].includes(webhook.latestStatus)" class="ph-check" :style="{ color: 'var(--success)' }"></i>
 						<i v-else class="fas fa-triangle-exclamation" :style="{ color: 'var(--error)' }"></i>
 					</template>
 					{{ webhook.name || webhook.url }}
diff --git a/packages/client/src/pages/tag.vue b/packages/client/src/pages/tag.vue
index 045f1ef25..a53410f46 100644
--- a/packages/client/src/pages/tag.vue
+++ b/packages/client/src/pages/tag.vue
@@ -24,7 +24,7 @@ const pagination = {
 defineExpose({
 	[symbols.PAGE_INFO]: computed(() => ({
 		title: props.tag,
-		icon: 'fas fa-hashtag',
+		icon: 'ph-hash',
 		bg: 'var(--bg)',
 	})),
 });
diff --git a/packages/client/src/pages/theme-editor.vue b/packages/client/src/pages/theme-editor.vue
index 2a11c07fd..abd796740 100644
--- a/packages/client/src/pages/theme-editor.vue
+++ b/packages/client/src/pages/theme-editor.vue
@@ -211,12 +211,12 @@ defineExpose({
 		bg: 'var(--bg)',
 		actions: [{
 			asFullButton: true,
-			icon: 'fas fa-eye',
+			icon: 'ph-eye',
 			text: i18n.ts.preview,
 			handler: showPreview,
 		}, {
 			asFullButton: true,
-			icon: 'fas fa-check',
+			icon: 'ph-check',
 			text: i18n.ts.saveAs,
 			handler: saveAs,
 		}],
diff --git a/packages/client/src/pages/timeline.tutorial.vue b/packages/client/src/pages/timeline.tutorial.vue
index 432d28c60..f03ea3888 100644
--- a/packages/client/src/pages/timeline.tutorial.vue
+++ b/packages/client/src/pages/timeline.tutorial.vue
@@ -1,6 +1,6 @@
 <template>
 <div class="_card tbkwesmv">
-	<div class="_title"><i class="fas fa-info-circle"></i> {{ $ts._tutorial.title }}</div>
+	<div class="_title"><i class="ph-info"></i> {{ $ts._tutorial.title }}</div>
 	<div v-if="tutorial === 0" class="_content">
 		<div>{{ $ts._tutorial.step1_1 }}</div>
 		<div>{{ $ts._tutorial.step1_2 }}</div>
@@ -59,8 +59,8 @@
 				<i class="fas fa-chevron-right"></i>
 			</button>
 		</div>
-		<MkButton v-if="tutorial === 6" class="ok" primary @click="tutorial = -1"><i class="fas fa-check"></i> {{ $ts.gotIt }}</MkButton>
-		<MkButton v-else class="ok" primary @click="tutorial++"><i class="fas fa-check"></i> {{ $ts.next }}</MkButton>
+		<MkButton v-if="tutorial === 6" class="ok" primary @click="tutorial = -1"><i class="ph-check"></i> {{ $ts.gotIt }}</MkButton>
+		<MkButton v-else class="ok" primary @click="tutorial++"><i class="ph-check"></i> {{ $ts.next }}</MkButton>
 	</div>
 </div>
 </template>
diff --git a/packages/client/src/pages/timeline.vue b/packages/client/src/pages/timeline.vue
index fe3dbc3cf..9a24cf169 100644
--- a/packages/client/src/pages/timeline.vue
+++ b/packages/client/src/pages/timeline.vue
@@ -114,18 +114,18 @@ function focus(): void {
 defineExpose({
 	[symbols.PAGE_INFO]: computed(() => ({
 		title: i18n.ts.timeline,
-		icon: src === 'local' ? 'fas fa-comments' : src === 'social' ? 'fas fa-share-alt' : src === 'global' ? 'fas fa-globe' : 'fas fa-home',
+		icon: src === 'local' ? 'ph-chats-circle' : src === 'social' ? 'fas fa-share-alt' : src === 'global' ? 'ph-globe' : 'fas fa-home',
 		bg: 'var(--bg)',
 		actions: [{
-			icon: 'fas fa-list-ul',
+			icon: 'ph-list-bullets',
 			text: i18n.ts.lists,
 			handler: chooseList,
 		}, {
-			icon: 'fas fa-satellite',
+			icon: 'ph-cell-signal-full',
 			text: i18n.ts.antennas,
 			handler: chooseAntenna,
 		}, {
-			icon: 'fas fa-satellite-dish',
+			icon: 'ph-television',
 			text: i18n.ts.channel,
 			handler: chooseChannel,
 		}, {
@@ -142,7 +142,7 @@ defineExpose({
 		}, ...(isLocalTimelineAvailable ? [{
 			active: src === 'local',
 			title: i18n.ts._timelines.local,
-			icon: 'fas fa-comments',
+			icon: 'ph-chats-circle',
 			iconOnly: true,
 			onClick: () => { saveSrc('local'); },
 		}, {
@@ -154,7 +154,7 @@ defineExpose({
 		}] : []), ...(isGlobalTimelineAvailable ? [{
 			active: src === 'global',
 			title: i18n.ts._timelines.global,
-			icon: 'fas fa-globe',
+			icon: 'ph-globe',
 			iconOnly: true,
 			onClick: () => { saveSrc('global'); },
 		}] : [])],
diff --git a/packages/client/src/pages/user-info.vue b/packages/client/src/pages/user-info.vue
index 54e1f1302..f1c2c4cd6 100644
--- a/packages/client/src/pages/user-info.vue
+++ b/packages/client/src/pages/user-info.vue
@@ -35,7 +35,7 @@
 				<div class="_formBlock">
 					<MkKeyValue v-if="user.host" oneline style="margin: 1em 0;">
 						<template #key>{{ $ts.instanceInfo }}</template>
-						<template #value><MkA :to="`/instance-info/${user.host}`" class="_link">{{ user.host }} <i class="fas fa-angle-right"></i></MkA></template>
+						<template #value><MkA :to="`/instance-info/${user.host}`" class="_link">{{ user.host }} <i class="ph-caret-right"></i></MkA></template>
 					</MkKeyValue>
 					<MkKeyValue v-else oneline style="margin: 1em 0;">
 						<template #key>{{ $ts.instanceInfo }}</template>
@@ -104,7 +104,7 @@ export default defineComponent({
 		return {
 			[symbols.PAGE_INFO]: computed(() => ({
 				title: this.user ? acct(this.user) : this.$ts.userInfo,
-				icon: 'fas fa-info-circle',
+				icon: 'ph-info',
 				bg: 'var(--bg)',
 				actions: this.user ? [this.user.url ? {
 					text: this.user.url,
diff --git a/packages/client/src/pages/user-list-timeline.vue b/packages/client/src/pages/user-list-timeline.vue
index 4476567cf..77a79e802 100644
--- a/packages/client/src/pages/user-list-timeline.vue
+++ b/packages/client/src/pages/user-list-timeline.vue
@@ -38,14 +38,14 @@ export default defineComponent({
 			queue: 0,
 			[symbols.PAGE_INFO]: computed(() => this.list ? {
 				title: this.list.name,
-				icon: 'fas fa-list-ul',
+				icon: 'ph-list-bullets',
 				bg: 'var(--bg)',
 				actions: [{
 					icon: 'fas fa-calendar-alt',
 					text: this.$ts.jumpToSpecifiedDate,
 					handler: this.timetravel
 				}, {
-					icon: 'fas fa-cog',
+					icon: 'ph-gear',
 					text: this.$ts.settings,
 					handler: this.settings
 				}],
diff --git a/packages/client/src/pages/user/index.vue b/packages/client/src/pages/user/index.vue
index a024dd28b..d40ae3843 100644
--- a/packages/client/src/pages/user/index.vue
+++ b/packages/client/src/pages/user/index.vue
@@ -5,8 +5,8 @@
 			<div v-size="{ max: [500] }" class="ftskorzw" :class="{ wide: !narrow }">
 				<div class="main">
 					<!-- TODO -->
-					<!-- <div class="punished" v-if="user.isSuspended"><i class="fas fa-exclamation-triangle" style="margin-right: 8px;"></i> {{ $ts.userSuspended }}</div> -->
-					<!-- <div class="punished" v-if="user.isSilenced"><i class="fas fa-exclamation-triangle" style="margin-right: 8px;"></i> {{ $ts.userSilenced }}</div> -->
+					<!-- <div class="punished" v-if="user.isSuspended"><i class="ph-warning" style="margin-right: 8px;"></i> {{ $ts.userSuspended }}</div> -->
+					<!-- <div class="punished" v-if="user.isSilenced"><i class="ph-warning" style="margin-right: 8px;"></i> {{ $ts.userSilenced }}</div> -->
 
 					<div class="profile">
 						<MkRemoteCaution v-if="user.host != null" :href="user.url" class="warn"/>
@@ -21,7 +21,7 @@
 										<span class="username"><MkAcct :user="user" :detail="true" /></span>
 										<span v-if="user.isAdmin" :title="$ts.isAdmin" style="color: var(--badge);"><i class="fas fa-bookmark"></i></span>
 										<span v-if="!user.isAdmin && user.isModerator" :title="$ts.isModerator" style="color: var(--badge);"><i class="far fa-bookmark"></i></span>
-										<span v-if="user.isLocked" :title="$ts.isLocked"><i class="fas fa-lock"></i></span>
+										<span v-if="user.isLocked" :title="$ts.isLocked"><i class="ph-lock"></i></span>
 										<span v-if="user.isBot" :title="$ts.isBot"><i class="fas fa-robot"></i></span>
 									</div>
 								</div>
@@ -38,7 +38,7 @@
 									<span class="username"><MkAcct :user="user" :detail="true" /></span>
 									<span v-if="user.isAdmin" :title="$ts.isAdmin" style="color: var(--badge);"><i class="fas fa-bookmark"></i></span>
 									<span v-if="!user.isAdmin && user.isModerator" :title="$ts.isModerator" style="color: var(--badge);"><i class="far fa-bookmark"></i></span>
-									<span v-if="user.isLocked" :title="$ts.isLocked"><i class="fas fa-lock"></i></span>
+									<span v-if="user.isLocked" :title="$ts.isLocked"><i class="ph-lock"></i></span>
 									<span v-if="user.isBot" :title="$ts.isBot"><i class="fas fa-robot"></i></span>
 								</div>
 							</div>
@@ -48,15 +48,15 @@
 							</div>
 							<div class="fields system">
 								<dl v-if="user.location" class="field">
-									<dt class="name"><i class="fas fa-map-marker fa-fw"></i> {{ $ts.location }}</dt>
+									<dt class="name"><i class="fas fa-map-marker ph-fw"></i> {{ $ts.location }}</dt>
 									<dd class="value">{{ user.location }}</dd>
 								</dl>
 								<dl v-if="user.birthday" class="field">
-									<dt class="name"><i class="fas fa-birthday-cake fa-fw"></i> {{ $ts.birthday }}</dt>
+									<dt class="name"><i class="fas fa-birthday-cake ph-fw"></i> {{ $ts.birthday }}</dt>
 									<dd class="value">{{ user.birthday.replace('-', '/').replace('-', '/') }} ({{ $t('yearsOld', { age }) }})</dd>
 								</dl>
 								<dl class="field">
-									<dt class="name"><i class="fas fa-calendar-alt fa-fw"></i> {{ $ts.registeredDate }}</dt>
+									<dt class="name"><i class="fas fa-calendar-alt ph-fw"></i> {{ $ts.registeredDate }}</dt>
 									<dd class="value">{{ new Date(user.createdAt).toLocaleString() }} (<MkTime :time="user.createdAt"/>)</dd>
 								</dl>
 							</div>
@@ -195,22 +195,22 @@ export default defineComponent({
 				}, ...(this.$i && (this.$i.id === this.user.id)) || this.user.publicReactions ? [{
 					active: this.page === 'reactions',
 					title: this.$ts.reaction,
-					icon: 'fas fa-laugh',
+					icon: 'ph-smiley',
 					onClick: () => { this.mkNav.push('/@' + getAcct(this.user) + '/reactions'); },
 				}] : [], {
 					active: this.page === 'clips',
 					title: this.$ts.clips,
-					icon: 'fas fa-paperclip',
+					icon: 'ph-paperclip',
 					onClick: () => { this.mkNav.push('/@' + getAcct(this.user) + '/clips'); },
 				}, {
 					active: this.page === 'pages',
 					title: this.$ts.pages,
-					icon: 'fas fa-file-alt',
+					icon: 'ph-file-text',
 					onClick: () => { this.mkNav.push('/@' + getAcct(this.user) + '/pages'); },
 				}, {
 					active: this.page === 'gallery',
 					title: this.$ts.gallery,
-					icon: 'fas fa-icons',
+					icon: 'ph-image',
 					onClick: () => { this.mkNav.push('/@' + getAcct(this.user) + '/gallery'); },
 				}],
 			} : null),
diff --git a/packages/client/src/pages/welcome.entrance.a.vue b/packages/client/src/pages/welcome.entrance.a.vue
index 47e1f1234..54a42beea 100644
--- a/packages/client/src/pages/welcome.entrance.a.vue
+++ b/packages/client/src/pages/welcome.entrance.a.vue
@@ -119,19 +119,19 @@ export default defineComponent({
 		showMenu(ev) {
 			os.popupMenu([{
 				text: this.$t('aboutX', { x: instanceName }),
-				icon: 'fas fa-info-circle',
+				icon: 'ph-info',
 				action: () => {
 					os.pageWindow('/about');
 				}
 			}, {
 				text: this.$ts.aboutMisskey,
-				icon: 'fas fa-info-circle',
+				icon: 'ph-info',
 				action: () => {
 					os.pageWindow('/about-misskey');
 				}
 			}, null, {
 				text: this.$ts.help,
-				icon: 'fas fa-question-circle',
+				icon: 'ph-question',
 				action: () => {
 					window.open(`https://misskey-hub.net/help.md`, '_blank');
 				}
diff --git a/packages/client/src/pages/welcome.entrance.b.vue b/packages/client/src/pages/welcome.entrance.b.vue
index 053087fda..13a2fdc1c 100644
--- a/packages/client/src/pages/welcome.entrance.b.vue
+++ b/packages/client/src/pages/welcome.entrance.b.vue
@@ -103,19 +103,19 @@ export default defineComponent({
 		showMenu(ev) {
 			os.popupMenu([{
 				text: this.$t('aboutX', { x: instanceName }),
-				icon: 'fas fa-info-circle',
+				icon: 'ph-info',
 				action: () => {
 					os.pageWindow('/about');
 				}
 			}, {
 				text: this.$ts.aboutMisskey,
-				icon: 'fas fa-info-circle',
+				icon: 'ph-info',
 				action: () => {
 					os.pageWindow('/about-misskey');
 				}
 			}, null, {
 				text: this.$ts.help,
-				icon: 'fas fa-question-circle',
+				icon: 'ph-question',
 				action: () => {
 					window.open(`https://misskey-hub.net/help.md`, '_blank');
 				}
diff --git a/packages/client/src/pages/welcome.entrance.c.vue b/packages/client/src/pages/welcome.entrance.c.vue
index 6bf487e16..9a51bded7 100644
--- a/packages/client/src/pages/welcome.entrance.c.vue
+++ b/packages/client/src/pages/welcome.entrance.c.vue
@@ -123,19 +123,19 @@ export default defineComponent({
 		showMenu(ev) {
 			os.popupMenu([{
 				text: this.$t('aboutX', { x: instanceName }),
-				icon: 'fas fa-info-circle',
+				icon: 'ph-info',
 				action: () => {
 					os.pageWindow('/about');
 				}
 			}, {
 				text: this.$ts.aboutMisskey,
-				icon: 'fas fa-info-circle',
+				icon: 'ph-info',
 				action: () => {
 					os.pageWindow('/about-misskey');
 				}
 			}, null, {
 				text: this.$ts.help,
-				icon: 'fas fa-question-circle',
+				icon: 'ph-question',
 				action: () => {
 					window.open(`https://misskey-hub.net/help.md`, '_blank');
 				}
diff --git a/packages/client/src/pages/welcome.setup.vue b/packages/client/src/pages/welcome.setup.vue
index 1a2f46028..bb0d6f82f 100644
--- a/packages/client/src/pages/welcome.setup.vue
+++ b/packages/client/src/pages/welcome.setup.vue
@@ -10,7 +10,7 @@
 		</MkInput>
 		<MkInput v-model="password" type="password" data-cy-admin-password class="_formBlock">
 			<template #label>{{ $ts.password }}</template>
-			<template #prefix><i class="fas fa-lock"></i></template>
+			<template #prefix><i class="ph-lock"></i></template>
 		</MkInput>
 		<div class="bottom _formBlock">
 			<MkButton gradate type="submit" :disabled="submitting" data-cy-admin-ok>
diff --git a/packages/client/src/pages/welcome.timeline.vue b/packages/client/src/pages/welcome.timeline.vue
index bec9481ff..44ac947b6 100644
--- a/packages/client/src/pages/welcome.timeline.vue
+++ b/packages/client/src/pages/welcome.timeline.vue
@@ -4,7 +4,7 @@
 		<div v-for="note in notes" class="note">
 			<div class="content _panel">
 				<div class="body">
-					<MkA v-if="note.replyId" class="reply" :to="`/notes/${note.replyId}`"><i class="fas fa-reply"></i></MkA>
+					<MkA v-if="note.replyId" class="reply" :to="`/notes/${note.replyId}`"><i class="ph-arrow-bend-up-left"></i></MkA>
 					<Mfm v-if="note.text" :text="note.text" :author="note.user" :i="$i" :custom-emojis="note.emojis"/>
 					<MkA v-if="note.renoteId" class="rp" :to="`/notes/${note.renoteId}`">RN: ...</MkA>
 				</div>
diff --git a/packages/client/src/scripts/get-note-menu.ts b/packages/client/src/scripts/get-note-menu.ts
index 78749ad6b..bf34d101c 100644
--- a/packages/client/src/scripts/get-note-menu.ts
+++ b/packages/client/src/scripts/get-note-menu.ts
@@ -96,7 +96,7 @@ export function getNoteMenu(props: {
 	async function clip(): Promise<void> {
 		const clips = await os.api('clips/list');
 		os.popupMenu([{
-			icon: 'fas fa-plus',
+			icon: 'ph-plus',
 			text: i18n.ts.createNew,
 			action: async () => {
 				const { canceled, result } = await os.form(i18n.ts.createNewClip, {
@@ -174,7 +174,7 @@ export function getNoteMenu(props: {
 			text: i18n.ts.copyContent,
 			action: copyContent
 		}, {
-			icon: 'fas fa-link',
+			icon: 'ph-link',
 			text: i18n.ts.copyLink,
 			action: copyLink
 		}, (appearNote.url || appearNote.uri) ? {
@@ -196,25 +196,25 @@ export function getNoteMenu(props: {
 		} : undefined,
 		null,
 		statePromise.then(state => state.isFavorited ? {
-			icon: 'fas fa-star',
+			icon: 'ph-star',
 			text: i18n.ts.unfavorite,
 			action: () => toggleFavorite(false)
 		} : {
-			icon: 'fas fa-star',
+			icon: 'ph-star',
 			text: i18n.ts.favorite,
 			action: () => toggleFavorite(true)
 		}),
 		{
-			icon: 'fas fa-paperclip',
+			icon: 'ph-paperclip',
 			text: i18n.ts.clip,
 			action: () => clip()
 		},
 		(appearNote.userId !== $i.id) ? statePromise.then(state => state.isWatching ? {
-			icon: 'fas fa-eye-slash',
+			icon: 'ph-eye-slash',
 			text: i18n.ts.unwatch,
 			action: () => toggleWatch(false)
 		} : {
-			icon: 'fas fa-eye',
+			icon: 'ph-eye',
 			text: i18n.ts.watch,
 			action: () => toggleWatch(true)
 		}) : undefined,
@@ -269,7 +269,7 @@ export function getNoteMenu(props: {
 				action: delEdit
 			} : undefined,
 			{
-				icon: 'fas fa-trash-alt',
+				icon: 'ph-trash',
 				text: i18n.ts.delete,
 				danger: true,
 				action: del
@@ -283,7 +283,7 @@ export function getNoteMenu(props: {
 			text: i18n.ts.copyContent,
 			action: copyContent
 		}, {
-			icon: 'fas fa-link',
+			icon: 'ph-link',
 			text: i18n.ts.copyLink,
 			action: copyLink
 		}, (appearNote.url || appearNote.uri) ? {
diff --git a/packages/client/src/scripts/get-user-menu.ts b/packages/client/src/scripts/get-user-menu.ts
index 091338efd..f08283493 100644
--- a/packages/client/src/scripts/get-user-menu.ts
+++ b/packages/client/src/scripts/get-user-menu.ts
@@ -152,41 +152,41 @@ export function getUserMenu(user) {
 	}
 
 	let menu = [{
-		icon: 'fas fa-at',
+		icon: 'ph-at',
 		text: i18n.ts.copyUsername,
 		action: () => {
 			copyToClipboard(`@${user.username}@${user.host || host}`);
 		}
 	}, {
-		icon: 'fas fa-info-circle',
+		icon: 'ph-info',
 		text: i18n.ts.info,
 		action: () => {
 			os.pageWindow(`/user-info/${user.id}`);
 		}
 	}, {
-		icon: 'fas fa-envelope',
+		icon: 'ph-envelope-simple',
 		text: i18n.ts.sendMessage,
 		action: () => {
 			os.post({ specified: user });
 		}
 	}, meId !== user.id ? {
 		type: 'link',
-		icon: 'fas fa-comments',
+		icon: 'ph-chats-circle',
 		text: i18n.ts.startMessaging,
 		to: '/my/messaging/' + Acct.toString(user),
 	} : undefined, null, {
-		icon: 'fas fa-list-ul',
+		icon: 'ph-list-bullets',
 		text: i18n.ts.addToList,
 		action: pushList
 	}, meId !== user.id ? {
-		icon: 'fas fa-users',
+		icon: 'ph-users-three',
 		text: i18n.ts.inviteToGroup,
 		action: inviteGroup
 	} : undefined] as any;
 
 	if ($i && meId !== user.id) {
 		menu = menu.concat([null, {
-			icon: user.isMuted ? 'fas fa-eye' : 'fas fa-eye-slash',
+			icon: user.isMuted ? 'ph-eye' : 'ph-eye-slash',
 			text: user.isMuted ? i18n.ts.unmute : i18n.ts.mute,
 			action: toggleMute
 		}, {
@@ -224,7 +224,7 @@ export function getUserMenu(user) {
 
 	if ($i && meId === user.id) {
 		menu = menu.concat([null, {
-			icon: 'fas fa-pencil-alt',
+			icon: 'ph-pencil',
 			text: i18n.ts.editProfile,
 			action: () => {
 				router.push('/settings/profile');
diff --git a/packages/client/src/scripts/hpml/index.ts b/packages/client/src/scripts/hpml/index.ts
index ac81eac2d..2b1d8be93 100644
--- a/packages/client/src/scripts/hpml/index.ts
+++ b/packages/client/src/scripts/hpml/index.ts
@@ -14,7 +14,7 @@ export type Fn = {
 export type Type = 'string' | 'number' | 'boolean' | 'stringArray' | null;
 
 export const literalDefs: Record<string, { out: any; category: string; icon: any; }> = {
-	text:          { out: 'string',      category: 'value', icon: 'fas fa-quote-right', },
+	text:          { out: 'string',      category: 'value', icon: 'ph-quotesright', },
 	multiLineText: { out: 'string',      category: 'value', icon: 'fas fa-align-left', },
 	textList:      { out: 'stringArray', category: 'value', icon: 'fas fa-list', },
 	number:        { out: 'number',      category: 'value', icon: 'fas fa-sort-numeric-up', },
diff --git a/packages/client/src/scripts/hpml/lib.ts b/packages/client/src/scripts/hpml/lib.ts
index 01a44ffcd..f2beb52d7 100644
--- a/packages/client/src/scripts/hpml/lib.ts
+++ b/packages/client/src/scripts/hpml/lib.ts
@@ -135,7 +135,7 @@ export const funcDefs: Record<string, { in: any[]; out: any; category: string; i
 	not:             { in: ['boolean'],                    out: 'boolean',     category: 'logical',    icon: 'fas fa-flag', },
 	or:              { in: ['boolean', 'boolean'],         out: 'boolean',     category: 'logical',    icon: 'fas fa-flag', },
 	and:             { in: ['boolean', 'boolean'],         out: 'boolean',     category: 'logical',    icon: 'fas fa-flag', },
-	add:             { in: ['number', 'number'],           out: 'number',      category: 'operation',  icon: 'fas fa-plus', },
+	add:             { in: ['number', 'number'],           out: 'number',      category: 'operation',  icon: 'ph-plus', },
 	subtract:        { in: ['number', 'number'],           out: 'number',      category: 'operation',  icon: 'fas fa-minus', },
 	multiply:        { in: ['number', 'number'],           out: 'number',      category: 'operation',  icon: 'fas fa-times', },
 	divide:          { in: ['number', 'number'],           out: 'number',      category: 'operation',  icon: 'fas fa-divide', },
@@ -147,11 +147,11 @@ export const funcDefs: Record<string, { in: any[]; out: any; category: string; i
 	lt:              { in: ['number', 'number'],           out: 'boolean',     category: 'comparison', icon: 'fas fa-less-than', },
 	gtEq:            { in: ['number', 'number'],           out: 'boolean',     category: 'comparison', icon: 'fas fa-greater-than-equal', },
 	ltEq:            { in: ['number', 'number'],           out: 'boolean',     category: 'comparison', icon: 'fas fa-less-than-equal', },
-	strLen:          { in: ['string'],                     out: 'number',      category: 'text',       icon: 'fas fa-quote-right', },
-	strPick:         { in: ['string', 'number'],           out: 'string',      category: 'text',       icon: 'fas fa-quote-right', },
-	strReplace:      { in: ['string', 'string', 'string'], out: 'string',      category: 'text',       icon: 'fas fa-quote-right', },
-	strReverse:      { in: ['string'],                     out: 'string',      category: 'text',       icon: 'fas fa-quote-right', },
-	join:            { in: ['stringArray', 'string'],      out: 'string',      category: 'text',       icon: 'fas fa-quote-right', },
+	strLen:          { in: ['string'],                     out: 'number',      category: 'text',       icon: 'ph-quotesright', },
+	strPick:         { in: ['string', 'number'],           out: 'string',      category: 'text',       icon: 'ph-quotesright', },
+	strReplace:      { in: ['string', 'string', 'string'], out: 'string',      category: 'text',       icon: 'ph-quotesright', },
+	strReverse:      { in: ['string'],                     out: 'string',      category: 'text',       icon: 'ph-quotesright', },
+	join:            { in: ['stringArray', 'string'],      out: 'string',      category: 'text',       icon: 'ph-quotesright', },
 	stringToNumber:  { in: ['string'],                     out: 'number',      category: 'convert',    icon: 'fas fa-exchange-alt', },
 	numberToString:  { in: ['number'],                     out: 'string',      category: 'convert',    icon: 'fas fa-exchange-alt', },
 	splitStrByLine:  { in: ['string'],                     out: 'stringArray', category: 'convert',    icon: 'fas fa-exchange-alt', },
diff --git a/packages/client/src/scripts/select-file.ts b/packages/client/src/scripts/select-file.ts
index 461d613b4..2ca69b1d3 100644
--- a/packages/client/src/scripts/select-file.ts
+++ b/packages/client/src/scripts/select-file.ts
@@ -87,11 +87,11 @@ function select(src: any, label: string | null, multiple: boolean): Promise<Driv
 			action: chooseFileFromPc
 		}, {
 			text: i18n.ts.fromDrive,
-			icon: 'fas fa-cloud',
+			icon: 'ph-cloud',
 			action: chooseFileFromDrive
 		}, {
 			text: i18n.ts.fromUrl,
-			icon: 'fas fa-link',
+			icon: 'ph-link',
 			action: chooseFileFromUrl
 		}], src);
 	});
diff --git a/packages/client/src/ui/_common_/sidebar-for-mobile.vue b/packages/client/src/ui/_common_/sidebar-for-mobile.vue
index 41d083723..6cf21146c 100644
--- a/packages/client/src/ui/_common_/sidebar-for-mobile.vue
+++ b/packages/client/src/ui/_common_/sidebar-for-mobile.vue
@@ -5,28 +5,28 @@
 			<MkAvatar :user="$i" class="avatar"/><MkAcct class="text" :user="$i"/>
 		</button>
 		<MkA v-click-anime class="item index" active-class="active" to="/" exact>
-			<i class="fas fa-home fa-fw"></i><span class="text">{{ $ts.timeline }}</span>
+			<i class="fas fa-home ph-fw"></i><span class="text">{{ $ts.timeline }}</span>
 		</MkA>
 		<template v-for="item in menu">
 			<div v-if="item === '-'" class="divider"></div>
 			<component :is="menuDef[item].to ? 'MkA' : 'button'" v-else-if="menuDef[item] && (menuDef[item].show !== false)" v-click-anime class="item _button" :class="[item, { active: menuDef[item].active }]" active-class="active" :to="menuDef[item].to" v-on="menuDef[item].action ? { click: menuDef[item].action } : {}">
-				<i class="fa-fw" :class="menuDef[item].icon"></i><span class="text">{{ $ts[menuDef[item].title] }}</span>
+				<i class="ph-fw" :class="menuDef[item].icon"></i><span class="text">{{ $ts[menuDef[item].title] }}</span>
 				<span v-if="menuDef[item].indicated" class="indicator"><i class="fas fa-circle"></i></span>
 			</component>
 		</template>
 		<div class="divider"></div>
 		<MkA v-if="$i.isAdmin || $i.isModerator" v-click-anime class="item" active-class="active" to="/admin">
-			<i class="fas fa-door-open fa-fw"></i><span class="text">{{ $ts.controlPanel }}</span>
+			<i class="fas fa-door-open ph-fw"></i><span class="text">{{ $ts.controlPanel }}</span>
 		</MkA>
 		<button v-click-anime class="item _button" @click="more">
-			<i class="fa fa-ellipsis-h fa-fw"></i><span class="text">{{ $ts.more }}</span>
+			<i class="fa fa-ellipsis-h ph-fw"></i><span class="text">{{ $ts.more }}</span>
 			<span v-if="otherMenuItemIndicated" class="indicator"><i class="fas fa-circle"></i></span>
 		</button>
 		<MkA v-click-anime class="item" active-class="active" to="/settings">
-			<i class="fas fa-cog fa-fw"></i><span class="text">{{ $ts.settings }}</span>
+			<i class="ph-gear ph-fw"></i><span class="text">{{ $ts.settings }}</span>
 		</MkA>
 		<button class="item _button post" data-cy-open-post-form @click="post">
-			<i class="fas fa-pencil-alt fa-fw"></i><span class="text">{{ $ts.note }}</span>
+			<i class="ph-pencil ph-fw"></i><span class="text">{{ $ts.note }}</span>
 		</button>
 	</div>
 </div>
diff --git a/packages/client/src/ui/_common_/sidebar.vue b/packages/client/src/ui/_common_/sidebar.vue
index d65e776d8..aec2131f6 100644
--- a/packages/client/src/ui/_common_/sidebar.vue
+++ b/packages/client/src/ui/_common_/sidebar.vue
@@ -5,28 +5,28 @@
 			<MkAvatar :user="$i" class="avatar"/><MkAcct class="text" :user="$i"/>
 		</button>
 		<MkA v-click-anime class="item index" active-class="active" to="/" exact>
-			<i class="fas fa-home fa-fw"></i><span class="text">{{ $ts.timeline }}</span>
+			<i class="fas fa-home ph-fw"></i><span class="text">{{ $ts.timeline }}</span>
 		</MkA>
 		<template v-for="item in menu">
 			<div v-if="item === '-'" class="divider"></div>
 			<component :is="menuDef[item].to ? 'MkA' : 'button'" v-else-if="menuDef[item] && (menuDef[item].show !== false)" v-click-anime class="item _button" :class="[item, { active: menuDef[item].active }]" active-class="active" :to="menuDef[item].to" v-on="menuDef[item].action ? { click: menuDef[item].action } : {}">
-				<i class="fa-fw" :class="menuDef[item].icon"></i><span class="text">{{ $ts[menuDef[item].title] }}</span>
+				<i class="ph-fw" :class="menuDef[item].icon"></i><span class="text">{{ $ts[menuDef[item].title] }}</span>
 				<span v-if="menuDef[item].indicated" class="indicator"><i class="fas fa-circle"></i></span>
 			</component>
 		</template>
 		<div class="divider"></div>
 		<MkA v-if="$i.isAdmin || $i.isModerator" v-click-anime class="item" active-class="active" to="/admin">
-			<i class="fas fa-door-open fa-fw"></i><span class="text">{{ $ts.controlPanel }}</span>
+			<i class="fas fa-door-open ph-fw"></i><span class="text">{{ $ts.controlPanel }}</span>
 		</MkA>
 		<button v-click-anime class="item _button" @click="more">
-			<i class="fa fa-ellipsis-h fa-fw"></i><span class="text">{{ $ts.more }}</span>
+			<i class="fa fa-ellipsis-h ph-fw"></i><span class="text">{{ $ts.more }}</span>
 			<span v-if="otherMenuItemIndicated" class="indicator"><i class="fas fa-circle"></i></span>
 		</button>
 		<MkA v-click-anime class="item" active-class="active" to="/settings">
-			<i class="fas fa-cog fa-fw"></i><span class="text">{{ $ts.settings }}</span>
+			<i class="ph-gear ph-fw"></i><span class="text">{{ $ts.settings }}</span>
 		</MkA>
 		<button class="item _button post" data-cy-open-post-form @click="os.post">
-			<i class="fas fa-pencil-alt fa-fw"></i><span class="text">{{ $ts.note }}</span>
+			<i class="ph-pencil ph-fw"></i><span class="text">{{ $ts.note }}</span>
 		</button>
 	</div>
 </div>
diff --git a/packages/client/src/ui/classic.header.vue b/packages/client/src/ui/classic.header.vue
index 57008aeae..fc85e3401 100644
--- a/packages/client/src/ui/classic.header.vue
+++ b/packages/client/src/ui/classic.header.vue
@@ -3,34 +3,34 @@
 	<div class="body">
 		<div class="left">
 			<MkA v-click-anime v-tooltip="$ts.timeline" class="item index" active-class="active" to="/" exact>
-				<i class="fas fa-home fa-fw"></i>
+				<i class="fas fa-home ph-fw"></i>
 			</MkA>
 			<template v-for="item in menu">
 				<div v-if="item === '-'" class="divider"></div>
 				<component :is="menuDef[item].to ? 'MkA' : 'button'" v-else-if="menuDef[item] && (menuDef[item].show !== false)" v-click-anime v-tooltip="$ts[menuDef[item].title]" class="item _button" :class="item" active-class="active" :to="menuDef[item].to" v-on="menuDef[item].action ? { click: menuDef[item].action } : {}">
-					<i class="fa-fw" :class="menuDef[item].icon"></i>
+					<i class="ph-fw" :class="menuDef[item].icon"></i>
 					<span v-if="menuDef[item].indicated" class="indicator"><i class="fas fa-circle"></i></span>
 				</component>
 			</template>
 			<div class="divider"></div>
 			<MkA v-if="$i.isAdmin || $i.isModerator" v-click-anime v-tooltip="$ts.controlPanel" class="item" active-class="active" to="/admin" :behavior="settingsWindowed ? 'modalWindow' : null">
-				<i class="fas fa-door-open fa-fw"></i>
+				<i class="fas fa-door-open ph-fw"></i>
 			</MkA>
 			<button v-click-anime class="item _button" @click="more">
-				<i class="fas fa-ellipsis-h fa-fw"></i>
+				<i class="fas fa-ellipsis-h ph-fw"></i>
 				<span v-if="otherNavItemIndicated" class="indicator"><i class="fas fa-circle"></i></span>
 			</button>
 		</div>
 		<div class="right">
 			<MkA v-click-anime v-tooltip="$ts.settings" class="item" active-class="active" to="/settings" :behavior="settingsWindowed ? 'modalWindow' : null">
-				<i class="fas fa-cog fa-fw"></i>
+				<i class="ph-gear ph-fw"></i>
 			</MkA>
 			<button v-click-anime class="item _button account" @click="openAccountMenu">
 				<MkAvatar :user="$i" class="avatar"/><MkAcct class="acct" :user="$i"/>
 			</button>
 			<div class="post" @click="post">
 				<MkButton class="button" gradate full rounded>
-					<i class="fas fa-pencil-alt fa-fw"></i>
+					<i class="ph-pencil ph-fw"></i>
 				</MkButton>
 			</div>
 		</div>
diff --git a/packages/client/src/ui/classic.side.vue b/packages/client/src/ui/classic.side.vue
index 6c2329194..e9a11ee7e 100644
--- a/packages/client/src/ui/classic.side.vue
+++ b/packages/client/src/ui/classic.side.vue
@@ -70,7 +70,7 @@ function onContextmenu(ev: MouseEvent) {
 			close();
 		}
 	}, {
-		icon: 'fas fa-window-maximize',
+		icon: 'ph-frame-corners',
 		text: i18n.ts.openInWindow,
 		action: () => {
 			if (path) os.pageWindow(path);
@@ -84,7 +84,7 @@ function onContextmenu(ev: MouseEvent) {
 			close();
 		}
 	}, {
-		icon: 'fas fa-link',
+		icon: 'ph-link',
 		text: i18n.ts.copyLink,
 		action: () => {
 			copyToClipboard(url);
diff --git a/packages/client/src/ui/classic.sidebar.vue b/packages/client/src/ui/classic.sidebar.vue
index 6c0ce023e..a90614142 100644
--- a/packages/client/src/ui/classic.sidebar.vue
+++ b/packages/client/src/ui/classic.sidebar.vue
@@ -5,30 +5,30 @@
 	</button>
 	<div class="post" data-cy-open-post-form @click="post">
 		<MkButton class="button" gradate full rounded>
-			<i class="fas fa-pencil-alt fa-fw"></i><span v-if="!iconOnly" class="text">{{ $ts.note }}</span>
+			<i class="ph-pencil ph-fw"></i><span v-if="!iconOnly" class="text">{{ $ts.note }}</span>
 		</MkButton>
 	</div>
 	<div class="divider"></div>
 	<MkA v-click-anime class="item index" active-class="active" to="/" exact>
-		<i class="fas fa-home fa-fw"></i><span class="text">{{ $ts.timeline }}</span>
+		<i class="fas fa-home ph-fw"></i><span class="text">{{ $ts.timeline }}</span>
 	</MkA>
 	<template v-for="item in menu">
 		<div v-if="item === '-'" class="divider"></div>
 		<component :is="menuDef[item].to ? 'MkA' : 'button'" v-else-if="menuDef[item] && (menuDef[item].show !== false)" v-click-anime class="item _button" :class="item" active-class="active" :to="menuDef[item].to" v-on="menuDef[item].action ? { click: menuDef[item].action } : {}">
-			<i class="fa-fw" :class="menuDef[item].icon"></i><span class="text">{{ $ts[menuDef[item].title] }}</span>
+			<i class="ph-fw" :class="menuDef[item].icon"></i><span class="text">{{ $ts[menuDef[item].title] }}</span>
 			<span v-if="menuDef[item].indicated" class="indicator"><i class="fas fa-circle"></i></span>
 		</component>
 	</template>
 	<div class="divider"></div>
 	<MkA v-if="$i.isAdmin || $i.isModerator" v-click-anime class="item" active-class="active" to="/admin" :behavior="settingsWindowed ? 'modalWindow' : null">
-		<i class="fas fa-door-open fa-fw"></i><span class="text">{{ $ts.controlPanel }}</span>
+		<i class="fas fa-door-open ph-fw"></i><span class="text">{{ $ts.controlPanel }}</span>
 	</MkA>
 	<button v-click-anime class="item _button" @click="more">
-		<i class="fas fa-ellipsis-h fa-fw"></i><span class="text">{{ $ts.more }}</span>
+		<i class="fas fa-ellipsis-h ph-fw"></i><span class="text">{{ $ts.more }}</span>
 		<span v-if="otherNavItemIndicated" class="indicator"><i class="fas fa-circle"></i></span>
 	</button>
 	<MkA v-click-anime class="item" active-class="active" to="/settings" :behavior="settingsWindowed ? 'modalWindow' : null">
-		<i class="fas fa-cog fa-fw"></i><span class="text">{{ $ts.settings }}</span>
+		<i class="ph-gear ph-fw"></i><span class="text">{{ $ts.settings }}</span>
 	</MkA>
 	<div class="divider"></div>
 	<div class="about">
diff --git a/packages/client/src/ui/classic.vue b/packages/client/src/ui/classic.vue
index c61cbc433..70a109321 100644
--- a/packages/client/src/ui/classic.vue
+++ b/packages/client/src/ui/classic.vue
@@ -188,7 +188,7 @@ export default defineComponent({
 					this.fullView = !this.fullView;
 				}
 			}, {
-				icon: 'fas fa-window-maximize',
+				icon: 'ph-frame-corners',
 				text: this.$ts.openInWindow,
 				action: () => {
 					os.pageWindow(path);
diff --git a/packages/client/src/ui/classic.widgets.vue b/packages/client/src/ui/classic.widgets.vue
index 6f9d18bde..650ea0362 100644
--- a/packages/client/src/ui/classic.widgets.vue
+++ b/packages/client/src/ui/classic.widgets.vue
@@ -3,8 +3,8 @@
 	<XWidgets class="widgets" :edit="editMode" :widgets="$store.reactiveState.widgets.value.filter(w => w.place === place)" @add-widget="addWidget" @remove-widget="removeWidget" @update-widget="updateWidget" @update-widgets="updateWidgets" @exit="editMode = false"/>
 	<MkAd class="a" :prefer="['square']"/>
 
-	<button v-if="editMode" class="_textButton edit" style="font-size: 0.9em;" @click="editMode = false"><i class="fas fa-check"></i> {{ $ts.editWidgetsExit }}</button>
-	<button v-else class="_textButton edit" style="font-size: 0.9em;" @click="editMode = true"><i class="fas fa-pencil-alt"></i> {{ $ts.editWidgets }}</button>
+	<button v-if="editMode" class="_textButton edit" style="font-size: 0.9em;" @click="editMode = false"><i class="ph-check"></i> {{ $ts.editWidgetsExit }}</button>
+	<button v-else class="_textButton edit" style="font-size: 0.9em;" @click="editMode = true"><i class="ph-pencil"></i> {{ $ts.editWidgets }}</button>
 </div>
 </template>
 
diff --git a/packages/client/src/ui/deck.vue b/packages/client/src/ui/deck.vue
index e538a93f0..c9a16d0a3 100644
--- a/packages/client/src/ui/deck.vue
+++ b/packages/client/src/ui/deck.vue
@@ -26,8 +26,8 @@
 	<div v-if="isMobile" class="buttons">
 		<button class="button nav _button" @click="drawerMenuShowing = true"><i class="fas fa-bars"></i><span v-if="menuIndicated" class="indicator"><i class="fas fa-circle"></i></span></button>
 		<button class="button home _button" @click="$router.push('/')"><i class="fas fa-home"></i></button>
-		<button class="button notifications _button" @click="$router.push('/my/notifications')"><i class="fas fa-bell"></i><span v-if="$i?.hasUnreadNotification" class="indicator"><i class="fas fa-circle"></i></span></button>
-		<button class="button post _button" @click="os.post()"><i class="fas fa-pencil-alt"></i></button>
+		<button class="button notifications _button" @click="$router.push('/my/notifications')"><i class="ph-bell"></i><span v-if="$i?.hasUnreadNotification" class="indicator"><i class="fas fa-circle"></i></span></button>
+		<button class="button post _button" @click="os.post()"><i class="ph-pencil"></i></button>
 	</div>
 
 	<transition :name="$store.state.animation ? 'menu-back' : ''">
diff --git a/packages/client/src/ui/deck/antenna-column.vue b/packages/client/src/ui/deck/antenna-column.vue
index f12f5c6b2..e878201ed 100644
--- a/packages/client/src/ui/deck/antenna-column.vue
+++ b/packages/client/src/ui/deck/antenna-column.vue
@@ -1,7 +1,7 @@
 <template>
 <XColumn :func="{ handler: setAntenna, title: $ts.selectAntenna }" :column="column" :is-stacked="isStacked" @parent-focus="$event => emit('parent-focus', $event)">
 	<template #header>
-		<i class="fas fa-satellite"></i><span style="margin-left: 8px;">{{ column.name }}</span>
+		<i class="ph-cell-signal-full"></i><span style="margin-left: 8px;">{{ column.name }}</span>
 	</template>
 
 	<XTimeline v-if="column.antennaId" ref="timeline" src="antenna" :antenna="column.antennaId" @after="() => emit('loaded')"/>
diff --git a/packages/client/src/ui/deck/column.vue b/packages/client/src/ui/deck/column.vue
index 6db3549fb..45de49982 100644
--- a/packages/client/src/ui/deck/column.vue
+++ b/packages/client/src/ui/deck/column.vue
@@ -15,14 +15,14 @@
 		@contextmenu.prevent.stop="onContextmenu"
 	>
 		<button v-if="isStacked && !isMainColumn" class="toggleActive _button" @click="toggleActive">
-			<template v-if="active"><i class="fas fa-angle-up"></i></template>
-			<template v-else><i class="fas fa-angle-down"></i></template>
+			<template v-if="active"><i class="ph-caret-up"></i></template>
+			<template v-else><i class="ph-caret-down"></i></template>
 		</button>
 		<div class="action">
 			<slot name="action"></slot>
 		</div>
 		<span class="header"><slot name="header"></slot></span>
-		<button v-if="func" v-tooltip="func.title" class="menu _button" @click.stop="func.handler"><i :class="func.icon || 'fas fa-cog'"></i></button>
+		<button v-if="func" v-tooltip="func.title" class="menu _button" @click.stop="func.handler"><i :class="func.icon || 'ph-gear'"></i></button>
 	</header>
 	<div v-show="active" ref="body">
 		<slot></slot>
@@ -111,7 +111,7 @@ function toggleActive() {
 
 function getMenu() {
 	const items = [{
-		icon: 'fas fa-pencil-alt',
+		icon: 'ph-pencil',
 		text: i18n.ts.edit,
 		action: async () => {
 			const { canceled, result } = await os.form(props.column.name, {
@@ -159,19 +159,19 @@ function getMenu() {
 			swapDownColumn(props.column.id);
 		}
 	} : undefined, null, {
-		icon: 'fas fa-window-restore',
+		icon: 'ph-cards',
 		text: i18n.ts._deck.stackLeft,
 		action: () => {
 			stackLeftColumn(props.column.id);
 		}
 	}, props.isStacked ? {
-		icon: 'fas fa-window-maximize',
+		icon: 'ph-frame-corners',
 		text: i18n.ts._deck.popRight,
 		action: () => {
 			popRightColumn(props.column.id);
 		}
 	} : undefined, null, {
-		icon: 'fas fa-trash-alt',
+		icon: 'ph-trash',
 		text: i18n.ts.remove,
 		danger: true,
 		action: () => {
diff --git a/packages/client/src/ui/deck/direct-column.vue b/packages/client/src/ui/deck/direct-column.vue
index 4837c0ce3..0b8dbfeda 100644
--- a/packages/client/src/ui/deck/direct-column.vue
+++ b/packages/client/src/ui/deck/direct-column.vue
@@ -1,6 +1,6 @@
 <template>
 <XColumn :column="column" :is-stacked="isStacked" @parent-focus="$event => emit('parent-focus', $event)">
-	<template #header><i class="fas fa-envelope" style="margin-right: 8px;"></i>{{ column.name }}</template>
+	<template #header><i class="ph-envelope-simple" style="margin-right: 8px;"></i>{{ column.name }}</template>
 
 	<XNotes :pagination="pagination"/>
 </XColumn>
diff --git a/packages/client/src/ui/deck/list-column.vue b/packages/client/src/ui/deck/list-column.vue
index 843a3bd1c..1bac1902b 100644
--- a/packages/client/src/ui/deck/list-column.vue
+++ b/packages/client/src/ui/deck/list-column.vue
@@ -1,7 +1,7 @@
 <template>
 <XColumn :func="{ handler: setList, title: $ts.selectList }" :column="column" :is-stacked="isStacked" @parent-focus="$event => emit('parent-focus', $event)">
 	<template #header>
-		<i class="fas fa-list-ul"></i><span style="margin-left: 8px;">{{ column.name }}</span>
+		<i class="ph-list-bullets"></i><span style="margin-left: 8px;">{{ column.name }}</span>
 	</template>
 
 	<XTimeline v-if="column.listId" ref="timeline" src="list" :list="column.listId" @after="() => emit('loaded')"/>
diff --git a/packages/client/src/ui/deck/main-column.vue b/packages/client/src/ui/deck/main-column.vue
index 3c97cd486..28e4bb1fa 100644
--- a/packages/client/src/ui/deck/main-column.vue
+++ b/packages/client/src/ui/deck/main-column.vue
@@ -68,7 +68,7 @@ function onContextmenu(ev: MouseEvent) {
 		type: 'label',
 		text: path,
 	}, {
-		icon: 'fas fa-window-maximize',
+		icon: 'ph-frame-corners',
 		text: i18n.ts.openInWindow,
 		action: () => {
 			os.pageWindow(path);
diff --git a/packages/client/src/ui/deck/mentions-column.vue b/packages/client/src/ui/deck/mentions-column.vue
index 0b6ca3a23..2e909a360 100644
--- a/packages/client/src/ui/deck/mentions-column.vue
+++ b/packages/client/src/ui/deck/mentions-column.vue
@@ -1,6 +1,6 @@
 <template>
 <XColumn :column="column" :is-stacked="isStacked" @parent-focus="$event => emit('parent-focus', $event)">
-	<template #header><i class="fas fa-at" style="margin-right: 8px;"></i>{{ column.name }}</template>
+	<template #header><i class="ph-at" style="margin-right: 8px;"></i>{{ column.name }}</template>
 
 	<XNotes :pagination="pagination"/>
 </XColumn>
diff --git a/packages/client/src/ui/deck/notifications-column.vue b/packages/client/src/ui/deck/notifications-column.vue
index 6dd040cb8..9e0e0ee61 100644
--- a/packages/client/src/ui/deck/notifications-column.vue
+++ b/packages/client/src/ui/deck/notifications-column.vue
@@ -1,6 +1,6 @@
 <template>
 <XColumn :column="column" :is-stacked="isStacked" :func="{ handler: func, title: $ts.notificationSetting }" @parent-focus="$event => emit('parent-focus', $event)">
-	<template #header><i class="fas fa-bell" style="margin-right: 8px;"></i>{{ column.name }}</template>
+	<template #header><i class="ph-bell" style="margin-right: 8px;"></i>{{ column.name }}</template>
 
 	<XNotifications :include-types="column.includingTypes"/>
 </XColumn>
diff --git a/packages/client/src/ui/deck/tl-column.vue b/packages/client/src/ui/deck/tl-column.vue
index f3ecda5aa..ca519f807 100644
--- a/packages/client/src/ui/deck/tl-column.vue
+++ b/packages/client/src/ui/deck/tl-column.vue
@@ -2,9 +2,9 @@
 <XColumn :func="{ handler: setType, title: $ts.timeline }" :column="column" :is-stacked="isStacked" :indicated="indicated" @change-active-state="onChangeActiveState" @parent-focus="$event => emit('parent-focus', $event)">
 	<template #header>
 		<i v-if="column.tl === 'home'" class="fas fa-home"></i>
-		<i v-else-if="column.tl === 'local'" class="fas fa-comments"></i>
+		<i v-else-if="column.tl === 'local'" class="ph-chats-circle"></i>
 		<i v-else-if="column.tl === 'social'" class="fas fa-share-alt"></i>
-		<i v-else-if="column.tl === 'global'" class="fas fa-globe"></i>
+		<i v-else-if="column.tl === 'global'" class="ph-globe"></i>
 		<span style="margin-left: 8px;">{{ column.name }}</span>
 	</template>
 
diff --git a/packages/client/src/ui/deck/widgets-column.vue b/packages/client/src/ui/deck/widgets-column.vue
index 9b10f602f..f14eaa5c1 100644
--- a/packages/client/src/ui/deck/widgets-column.vue
+++ b/packages/client/src/ui/deck/widgets-column.vue
@@ -1,6 +1,6 @@
 <template>
 <XColumn :func="{ handler: func, title: $ts.editWidgets }" :naked="true" :column="column" :is-stacked="isStacked" @parent-focus="$event => emit('parent-focus', $event)">
-	<template #header><i class="fas fa-window-maximize" style="margin-right: 8px;"></i>{{ column.name }}</template>
+	<template #header><i class="ph-frame-corners" style="margin-right: 8px;"></i>{{ column.name }}</template>
 
 	<div class="wtdtxvec">
 		<XWidgets :edit="edit" :widgets="column.widgets" @add-widget="addWidget" @remove-widget="removeWidget" @update-widget="updateWidget" @update-widgets="updateWidgets" @exit="edit = false"/>
diff --git a/packages/client/src/ui/universal.vue b/packages/client/src/ui/universal.vue
index a5ff7a625..6586795fd 100644
--- a/packages/client/src/ui/universal.vue
+++ b/packages/client/src/ui/universal.vue
@@ -31,9 +31,9 @@
 	<div v-if="isMobile" class="buttons">
 		<button class="button nav _button" @click="drawerMenuShowing = true"><i class="fas fa-bars"></i><span v-if="menuIndicated" class="indicator"><i class="fas fa-circle"></i></span></button>
 		<button class="button home _button" @click="$route.name === 'index' ? top() : $router.push('/')"><i class="fas fa-home"></i></button>
-		<button class="button notifications _button" @click="$router.push('/my/notifications')"><i class="fas fa-bell"></i><span v-if="$i?.hasUnreadNotification" class="indicator"><i class="fas fa-circle"></i></span></button>
+		<button class="button notifications _button" @click="$router.push('/my/notifications')"><i class="ph-bell"></i><span v-if="$i?.hasUnreadNotification" class="indicator"><i class="fas fa-circle"></i></span></button>
 		<button class="button widget _button" @click="widgetsShowing = true"><i class="fas fa-layer-group"></i></button>
-		<button class="button post _button" @click="os.post()"><i class="fas fa-pencil-alt"></i></button>
+		<button class="button post _button" @click="os.post()"><i class="ph-pencil"></i></button>
 	</div>
 
 	<transition :name="$store.state.animation ? 'menuDrawer-back' : ''">
@@ -161,13 +161,13 @@ const onContextmenu = (ev) => {
 		type: 'label',
 		text: path,
 	}, {
-		icon: 'fas fa-columns',
+		icon: 'ph-layout',
 		text: i18n.ts.openInSideView,
 		action: () => {
 			sideEl.navigate(path);
 		}
 	}, {
-		icon: 'fas fa-window-maximize',
+		icon: 'ph-frame-corners',
 		text: i18n.ts.openInWindow,
 		action: () => {
 			os.pageWindow(path);
diff --git a/packages/client/src/ui/universal.widgets.vue b/packages/client/src/ui/universal.widgets.vue
index 7aed08388..3a6700270 100644
--- a/packages/client/src/ui/universal.widgets.vue
+++ b/packages/client/src/ui/universal.widgets.vue
@@ -2,8 +2,8 @@
 <div class="efzpzdvf">
 	<XWidgets :edit="editMode" :widgets="defaultStore.reactiveState.widgets.value" @add-widget="addWidget" @remove-widget="removeWidget" @update-widget="updateWidget" @update-widgets="updateWidgets" @exit="editMode = false"/>
 
-	<button v-if="editMode" class="_textButton" style="font-size: 0.9em;" @click="editMode = false"><i class="fas fa-check"></i> {{ i18n.ts.editWidgetsExit }}</button>
-	<button v-else class="_textButton mk-widget-edit" style="font-size: 0.9em;" @click="editMode = true"><i class="fas fa-pencil-alt"></i> {{ i18n.ts.editWidgets }}</button>
+	<button v-if="editMode" class="_textButton" style="font-size: 0.9em;" @click="editMode = false"><i class="ph-check"></i> {{ i18n.ts.editWidgetsExit }}</button>
+	<button v-else class="_textButton mk-widget-edit" style="font-size: 0.9em;" @click="editMode = true"><i class="ph-pencil"></i> {{ i18n.ts.editWidgets }}</button>
 </div>
 </template>
 
diff --git a/packages/client/src/ui/visitor/b.vue b/packages/client/src/ui/visitor/b.vue
index c9c0a1f72..363e4510f 100644
--- a/packages/client/src/ui/visitor/b.vue
+++ b/packages/client/src/ui/visitor/b.vue
@@ -36,9 +36,9 @@
 	<transition :name="$store.state.animation ? 'tray' : ''">
 		<div v-if="showMenu" class="menu">
 			<MkA to="/" class="link" active-class="active"><i class="fas fa-home icon"></i>{{ $ts.home }}</MkA>
-			<MkA to="/explore" class="link" active-class="active"><i class="fas fa-hashtag icon"></i>{{ $ts.explore }}</MkA>
-			<MkA to="/featured" class="link" active-class="active"><i class="fas fa-fire-alt icon"></i>{{ $ts.featured }}</MkA>
-			<MkA to="/channels" class="link" active-class="active"><i class="fas fa-satellite-dish icon"></i>{{ $ts.channel }}</MkA>
+			<MkA to="/explore" class="link" active-class="active"><i class="ph-hash icon"></i>{{ $ts.explore }}</MkA>
+			<MkA to="/featured" class="link" active-class="active"><i class="ph-fire icon"></i>{{ $ts.featured }}</MkA>
+			<MkA to="/channels" class="link" active-class="active"><i class="ph-television icon"></i>{{ $ts.channel }}</MkA>
 			<div class="action">
 				<button class="_buttonPrimary" @click="signup()">{{ $ts.signup }}</button>
 				<button class="_button" @click="signin()">{{ $ts.login }}</button>
diff --git a/packages/client/src/ui/visitor/header.vue b/packages/client/src/ui/visitor/header.vue
index c39dc6577..2c480bcec 100644
--- a/packages/client/src/ui/visitor/header.vue
+++ b/packages/client/src/ui/visitor/header.vue
@@ -3,9 +3,9 @@
 	<div v-if="narrow === false" class="wide">
 		<div class="content">
 			<MkA to="/" class="link" active-class="active"><i class="fas fa-home icon"></i>{{ $ts.home }}</MkA>
-			<MkA to="/explore" class="link" active-class="active"><i class="fas fa-hashtag icon"></i>{{ $ts.explore }}</MkA>
-			<MkA to="/featured" class="link" active-class="active"><i class="fas fa-fire-alt icon"></i>{{ $ts.featured }}</MkA>
-			<MkA to="/channels" class="link" active-class="active"><i class="fas fa-satellite-dish icon"></i>{{ $ts.channel }}</MkA>
+			<MkA to="/explore" class="link" active-class="active"><i class="ph-hash icon"></i>{{ $ts.explore }}</MkA>
+			<MkA to="/featured" class="link" active-class="active"><i class="ph-fire icon"></i>{{ $ts.featured }}</MkA>
+			<MkA to="/channels" class="link" active-class="active"><i class="ph-television icon"></i>{{ $ts.channel }}</MkA>
 			<div v-if="info" class="page active link">
 				<div class="title">
 					<i v-if="info.icon" class="icon" :class="info.icon"></i>
@@ -16,7 +16,7 @@
 				<button v-if="info.action" class="_button action" @click.stop="info.action.handler"><!-- TODO --></button>
 			</div>
 			<div class="right">
-				<button class="_button search" @click="search()"><i class="fas fa-search icon"></i><span>{{ $ts.search }}</span></button>
+				<button class="_button search" @click="search()"><i class="ph-magnifying-glass icon"></i><span>{{ $ts.search }}</span></button>
 				<button class="_buttonPrimary signup" @click="signup()">{{ $ts.signup }}</button>
 				<button class="_button login" @click="signin()">{{ $ts.login }}</button>
 			</div>
diff --git a/packages/client/src/widgets/aiscript.vue b/packages/client/src/widgets/aiscript.vue
index 9fed292a6..7f90b56d4 100644
--- a/packages/client/src/widgets/aiscript.vue
+++ b/packages/client/src/widgets/aiscript.vue
@@ -1,6 +1,6 @@
 <template>
 <MkContainer :show-header="widgetProps.showHeader" class="mkw-aiscript">
-	<template #header><i class="fas fa-terminal"></i>{{ $ts._widgets.aiscript }}</template>
+	<template #header><i class="ph-terminal"></i>{{ $ts._widgets.aiscript }}</template>
 
 	<div class="uylguesu _monospace">
 		<textarea v-model="widgetProps.script" placeholder="(1 + 1)"></textarea>
diff --git a/packages/client/src/widgets/federation.vue b/packages/client/src/widgets/federation.vue
index a3862077b..8ae5e3aef 100644
--- a/packages/client/src/widgets/federation.vue
+++ b/packages/client/src/widgets/federation.vue
@@ -1,6 +1,6 @@
 <template>
 <MkContainer :show-header="widgetProps.showHeader" :foldable="foldable" :scrollable="scrollable" class="mkw-federation">
-	<template #header><i class="fas fa-globe"></i>{{ $ts._widgets.federation }}</template>
+	<template #header><i class="ph-globe"></i>{{ $ts._widgets.federation }}</template>
 
 	<div class="wbrkwalb">
 		<MkLoading v-if="fetching"/>
diff --git a/packages/client/src/widgets/job-queue.vue b/packages/client/src/widgets/job-queue.vue
index 8897f240b..858253454 100644
--- a/packages/client/src/widgets/job-queue.vue
+++ b/packages/client/src/widgets/job-queue.vue
@@ -1,7 +1,7 @@
 <template>
 <div class="mkw-jobQueue _monospace" :class="{ _panel: !widgetProps.transparent }">
 	<div class="inbox">
-		<div class="label">Inbox queue<i v-if="current.inbox.waiting > 0" class="fas fa-exclamation-triangle icon"></i></div>
+		<div class="label">Inbox queue<i v-if="current.inbox.waiting > 0" class="ph-warning icon"></i></div>
 		<div class="values">
 			<div>
 				<div>Process</div>
@@ -22,7 +22,7 @@
 		</div>
 	</div>
 	<div class="deliver">
-		<div class="label">Deliver queue<i v-if="current.deliver.waiting > 0" class="fas fa-exclamation-triangle icon"></i></div>
+		<div class="label">Deliver queue<i v-if="current.deliver.waiting > 0" class="ph-warning icon"></i></div>
 		<div class="values">
 			<div>
 				<div>Process</div>
diff --git a/packages/client/src/widgets/notifications.vue b/packages/client/src/widgets/notifications.vue
index 18c546ee7..ea2e167e1 100644
--- a/packages/client/src/widgets/notifications.vue
+++ b/packages/client/src/widgets/notifications.vue
@@ -1,7 +1,7 @@
 <template>
 <MkContainer :style="`height: ${widgetProps.height}px;`" :show-header="widgetProps.showHeader" :scrollable="true" class="mkw-notifications">
-	<template #header><i class="fas fa-bell"></i>{{ $ts.notifications }}</template>
-	<template #func><button class="_button" @click="configureNotification()"><i class="fas fa-cog"></i></button></template>
+	<template #header><i class="ph-bell"></i>{{ $ts.notifications }}</template>
+	<template #func><button class="_button" @click="configureNotification()"><i class="ph-gear"></i></button></template>
 
 	<div>
 		<XNotifications :include-types="widgetProps.includingTypes"/>
diff --git a/packages/client/src/widgets/rss.vue b/packages/client/src/widgets/rss.vue
index fc65f1181..327a838fb 100644
--- a/packages/client/src/widgets/rss.vue
+++ b/packages/client/src/widgets/rss.vue
@@ -1,7 +1,7 @@
 <template>
 <MkContainer :show-header="widgetProps.showHeader" class="mkw-rss">
 	<template #header><i class="fas fa-rss-square"></i>RSS</template>
-	<template #func><button class="_button" @click="configure"><i class="fas fa-cog"></i></button></template>
+	<template #func><button class="_button" @click="configure"><i class="ph-gear"></i></button></template>
 
 	<div class="ekmkgxbj">
 		<MkLoading v-if="fetching"/>
diff --git a/packages/client/src/widgets/timeline.vue b/packages/client/src/widgets/timeline.vue
index 3bcad1ae2..202773125 100644
--- a/packages/client/src/widgets/timeline.vue
+++ b/packages/client/src/widgets/timeline.vue
@@ -3,13 +3,13 @@
 	<template #header>
 		<button class="_button" @click="choose">
 			<i v-if="widgetProps.src === 'home'" class="fas fa-home"></i>
-			<i v-else-if="widgetProps.src === 'local'" class="fas fa-comments"></i>
+			<i v-else-if="widgetProps.src === 'local'" class="ph-chats-circle"></i>
 			<i v-else-if="widgetProps.src === 'social'" class="fas fa-share-alt"></i>
-			<i v-else-if="widgetProps.src === 'global'" class="fas fa-globe"></i>
-			<i v-else-if="widgetProps.src === 'list'" class="fas fa-list-ul"></i>
-			<i v-else-if="widgetProps.src === 'antenna'" class="fas fa-satellite"></i>
+			<i v-else-if="widgetProps.src === 'global'" class="ph-globe"></i>
+			<i v-else-if="widgetProps.src === 'list'" class="ph-list-bullets"></i>
+			<i v-else-if="widgetProps.src === 'antenna'" class="ph-cell-signal-full"></i>
 			<span style="margin-left: 8px;">{{ widgetProps.src === 'list' ? widgetProps.list.name : widgetProps.src === 'antenna' ? widgetProps.antenna.name : $t('_timelines.' + widgetProps.src) }}</span>
-			<i :class="menuOpened ? 'fas fa-angle-up' : 'fas fa-angle-down'" style="margin-left: 8px;"></i>
+			<i :class="menuOpened ? 'ph-caret-up' : 'ph-caret-down'" style="margin-left: 8px;"></i>
 		</button>
 	</template>
 
@@ -86,7 +86,7 @@ const choose = async (ev) => {
 	]);
 	const antennaItems = antennas.map(antenna => ({
 		text: antenna.name,
-		icon: 'fas fa-satellite',
+		icon: 'ph-cell-signal-full',
 		action: () => {
 			widgetProps.antenna = antenna;
 			setSrc('antenna');
@@ -94,7 +94,7 @@ const choose = async (ev) => {
 	}));
 	const listItems = lists.map(list => ({
 		text: list.name,
-		icon: 'fas fa-list-ul',
+		icon: 'ph-list-bullets',
 		action: () => {
 			widgetProps.list = list;
 			setSrc('list');
@@ -106,7 +106,7 @@ const choose = async (ev) => {
 		action: () => { setSrc('home'); }
 	}, {
 		text: i18n.ts._timelines.local,
-		icon: 'fas fa-comments',
+		icon: 'ph-chats-circle',
 		action: () => { setSrc('local'); }
 	}, {
 		text: i18n.ts._timelines.social,
@@ -114,7 +114,7 @@ const choose = async (ev) => {
 		action: () => { setSrc('social'); }
 	}, {
 		text: i18n.ts._timelines.global,
-		icon: 'fas fa-globe',
+		icon: 'ph-globe',
 		action: () => { setSrc('global'); }
 	}, antennaItems.length > 0 ? null : undefined, ...antennaItems, listItems.length > 0 ? null : undefined, ...listItems], ev.currentTarget ?? ev.target).then(() => {
 		menuOpened.value = false;
diff --git a/packages/client/src/widgets/trends.vue b/packages/client/src/widgets/trends.vue
index 9680f1c89..a1a79b723 100644
--- a/packages/client/src/widgets/trends.vue
+++ b/packages/client/src/widgets/trends.vue
@@ -1,6 +1,6 @@
 <template>
 <MkContainer :show-header="widgetProps.showHeader" class="mkw-trends">
-	<template #header><i class="fas fa-hashtag"></i>{{ $ts._widgets.trends }}</template>
+	<template #header><i class="ph-hash"></i>{{ $ts._widgets.trends }}</template>
 
 	<div class="wbrkwala">
 		<MkLoading v-if="fetching"/>