diff --git a/locales/ja-JP.yml b/locales/ja-JP.yml
index bfbfff99a8..13b9fcfd47 100644
--- a/locales/ja-JP.yml
+++ b/locales/ja-JP.yml
@@ -1721,8 +1721,6 @@ _notification:
 _deck:
   alwaysShowMainColumn: "常にメインカラムを表示"
   columnAlign: "カラムの寄せ"
-  columnMargin: "カラム間のマージン"
-  columnHeaderHeight: "カラムのヘッダー幅"
   addColumn: "カラムを追加"
   swapLeft: "左に移動"
   swapRight: "右に移動"
diff --git a/packages/client/src/pages/settings/deck.vue b/packages/client/src/pages/settings/deck.vue
index b1cf8a8cc9..96cb22bcaa 100644
--- a/packages/client/src/pages/settings/deck.vue
+++ b/packages/client/src/pages/settings/deck.vue
@@ -10,18 +10,6 @@
 		<option value="center">{{ i18n.ts.center }}</option>
 	</FormRadios>
 
-	<FormRadios v-model="columnHeaderHeight" class="_formBlock">
-		<template #label>{{ i18n.ts._deck.columnHeaderHeight }}</template>
-		<option :value="42">{{ i18n.ts.narrow }}</option>
-		<option :value="45">{{ i18n.ts.medium }}</option>
-		<option :value="48">{{ i18n.ts.wide }}</option>
-	</FormRadios>
-
-	<FormInput v-model="columnMargin" type="number" class="_formBlock">
-		<template #label>{{ i18n.ts._deck.columnMargin }}</template>
-		<template #suffix>px</template>
-	</FormInput>
-
 	<FormLink class="_formBlock" @click="setProfile">{{ i18n.ts._deck.profile }}<template #suffix>{{ profile }}</template></FormLink>
 </div>
 </template>
@@ -41,8 +29,6 @@ import { definePageMetadata } from '@/scripts/page-metadata';
 const navWindow = computed(deckStore.makeGetterSetter('navWindow'));
 const alwaysShowMainColumn = computed(deckStore.makeGetterSetter('alwaysShowMainColumn'));
 const columnAlign = computed(deckStore.makeGetterSetter('columnAlign'));
-const columnMargin = computed(deckStore.makeGetterSetter('columnMargin'));
-const columnHeaderHeight = computed(deckStore.makeGetterSetter('columnHeaderHeight'));
 const profile = computed(deckStore.makeGetterSetter('profile'));
 
 watch(navWindow, async () => {
diff --git a/packages/client/src/pages/settings/statusbars.vue b/packages/client/src/pages/settings/statusbars.vue
index dea5e0ffd4..18de11975f 100644
--- a/packages/client/src/pages/settings/statusbars.vue
+++ b/packages/client/src/pages/settings/statusbars.vue
@@ -12,6 +12,7 @@
 		<option value="small">{{ i18n.ts.small }}</option>
 		<option value="medium">{{ i18n.ts.medium }}</option>
 		<option value="large">{{ i18n.ts.large }}</option>
+		<option value="veryLarge">{{ i18n.ts.large }}+</option>
 	</FormRadios>
 </div>
 </template>
diff --git a/packages/client/src/themes/_dark.json5 b/packages/client/src/themes/_dark.json5
index 5c6e7755e4..88ec8a5459 100644
--- a/packages/client/src/themes/_dark.json5
+++ b/packages/client/src/themes/_dark.json5
@@ -77,6 +77,7 @@
 		codeString: '#ffb675',
 		codeNumber: '#cfff9e',
 		codeBoolean: '#c59eff',
+		deckDivider: '#000',
 		htmlThemeColor: '@bg',
 		X2: ':darken<2<@panel',
 		X3: 'rgba(255, 255, 255, 0.05)',
diff --git a/packages/client/src/themes/_light.json5 b/packages/client/src/themes/_light.json5
index 66e70d5e19..bad1291c83 100644
--- a/packages/client/src/themes/_light.json5
+++ b/packages/client/src/themes/_light.json5
@@ -77,6 +77,7 @@
 		codeString: '#b98710',
 		codeNumber: '#0fbbbb',
 		codeBoolean: '#62b70c',
+		deckDivider: ':darken<3<@bg',
 		htmlThemeColor: '@bg',
 		X2: ':darken<2<@panel',
 		X3: 'rgba(0, 0, 0, 0.05)',
diff --git a/packages/client/src/ui/_common_/statusbars.vue b/packages/client/src/ui/_common_/statusbars.vue
index 11912e141b..7b3a68ec45 100644
--- a/packages/client/src/ui/_common_/statusbars.vue
+++ b/packages/client/src/ui/_common_/statusbars.vue
@@ -4,7 +4,8 @@
 		verySmall: defaultStore.reactiveState.statusbarSize.value === 'verySmall',
 		small: defaultStore.reactiveState.statusbarSize.value === 'small',
 		medium: defaultStore.reactiveState.statusbarSize.value === 'medium',
-		large: defaultStore.reactiveState.statusbarSize.value === 'large'
+		large: defaultStore.reactiveState.statusbarSize.value === 'large',
+		veryLarge: defaultStore.reactiveState.statusbarSize.value === 'veryLarge',
 	}"
 >
 	<div v-for="x in defaultStore.reactiveState.statusbars.value" :key="x.id" class="item" :class="{ black: x.black }">
@@ -46,6 +47,11 @@ const XUserList = defineAsyncComponent(() => import('./statusbar-user-list.vue')
 		font-size: 0.875em;
 	}
 
+	&.veryLarge {
+		--height: 30px;
+		font-size: 0.9em;
+	}
+
 	> .item {
 		display: inline-flex;
 		vertical-align: bottom;
diff --git a/packages/client/src/ui/deck.vue b/packages/client/src/ui/deck.vue
index 1cf1a14817..88fc390614 100644
--- a/packages/client/src/ui/deck.vue
+++ b/packages/client/src/ui/deck.vue
@@ -1,32 +1,37 @@
 <template>
 <div
-	class="mk-deck" :class="[{ isMobile }, `${deckStore.reactiveState.columnAlign.value}`]" :style="{ '--deckMargin': deckStore.reactiveState.columnMargin.value + 'px' }"
+	class="mk-deck" :class="[{ isMobile }]"
 >
 	<XSidebar v-if="!isMobile"/>
 
 	<div class="main">
 		<XStatusBars class="statusbars"/>
-		<div ref="columnsEl" class="columns" @contextmenu.self.prevent="onContextmenu">
-			<template v-for="ids in layout">
-				<!-- sectionを利用しているのは、deck.vue側でcolumnに対してfirst-of-typeを効かせるため -->
-				<section
-					v-if="ids.length > 1"
-					class="folder column"
-					:style="columns.filter(c => ids.includes(c.id)).some(c => c.flexible) ? { flex: 1, minWidth: '350px' } : { width: Math.max(...columns.filter(c => ids.includes(c.id)).map(c => c.width)) + 'px' }"
-				>
-					<DeckColumnCore v-for="id in ids" :ref="id" :key="id" :column="columns.find(c => c.id === id)" :is-stacked="true" @parent-focus="moveFocus(id, $event)"/>
-				</section>
-				<DeckColumnCore
-					v-else
-					:ref="ids[0]"
-					:key="ids[0]"
-					class="column"
-					:column="columns.find(c => c.id === ids[0])"
-					:is-stacked="false"
-					:style="columns.find(c => c.id === ids[0])!.flexible ? { flex: 1, minWidth: '350px' } : { width: columns.find(c => c.id === ids[0])!.width + 'px' }"
-					@parent-focus="moveFocus(ids[0], $event)"
-				/>
-			</template>
+		<div class="columnsWrapper">
+			<div ref="columnsEl" class="columns" :class="deckStore.reactiveState.columnAlign.value" @contextmenu.self.prevent="onContextmenu">
+				<template v-for="ids in layout">
+					<!-- sectionを利用しているのは、deck.vue側でcolumnに対してfirst-of-typeを効かせるため -->
+					<section
+						v-if="ids.length > 1"
+						class="folder column"
+						:style="columns.filter(c => ids.includes(c.id)).some(c => c.flexible) ? { flex: 1, minWidth: '350px' } : { width: Math.max(...columns.filter(c => ids.includes(c.id)).map(c => c.width)) + 'px' }"
+					>
+						<DeckColumnCore v-for="id in ids" :ref="id" :key="id" :column="columns.find(c => c.id === id)" :is-stacked="true" @parent-focus="moveFocus(id, $event)"/>
+					</section>
+					<DeckColumnCore
+						v-else
+						:ref="ids[0]"
+						:key="ids[0]"
+						class="column"
+						:column="columns.find(c => c.id === ids[0])"
+						:is-stacked="false"
+						:style="columns.find(c => c.id === ids[0])!.flexible ? { flex: 1, minWidth: '350px' } : { width: columns.find(c => c.id === ids[0])!.width + 'px' }"
+						@parent-focus="moveFocus(ids[0], $event)"
+					/>
+				</template>
+			</div>
+			<div class="sideMenu">
+				<button class="_button button" @click="addColumn"><i class="fas fa-plus"></i></button>
+			</div>
 		</div>
 	</div>
 
@@ -183,22 +188,14 @@ function moveFocus(id: string, direction: 'up' | 'down' | 'left' | 'right') {
 	// TODO: ここではなくて、各カラムで自身の幅に応じて上書きするようにしたい
 	--margin: var(--marginHalf);
 
+	--deckDividerThickness: 5px;
+
 	display: flex;
 	// ほんとは単に 100vh と書きたいところだが... https://css-tricks.com/the-trick-to-viewport-units-on-mobile/
 	height: calc(var(--vh, 1vh) * 100);
 	box-sizing: border-box;
 	flex: 1;
 
-	&.center {
-		> .column:first-of-type {
-			margin-left: auto;
-		}
-
-		> .column:last-of-type {
-			margin-right: auto;
-		}
-	}
-
 	&.isMobile {
 		padding-bottom: 100px;
 	}
@@ -209,24 +206,55 @@ function moveFocus(id: string, direction: 'up' | 'down' | 'left' | 'right') {
 		display: flex;
 		flex-direction: column;
 
-		> .columns {
-			display: flex;
+		> .columnsWrapper {
 			flex: 1;
-			padding: var(--deckMargin);
-			overflow-x: auto;
-			overflow-y: clip;
+			display: flex;
+			flex-direction: row;
 
-			> .column {
-				flex-shrink: 0;
-				margin-right: var(--deckMargin);
+			> .columns {
+				flex: 1;
+				display: flex;
+				overflow-x: auto;
+				overflow-y: clip;
 
-				&.folder {
-					display: flex;
-					flex-direction: column;
-
-					> *:not(:last-child) {
-						margin-bottom: var(--deckMargin);
+				&.center {
+					> .column:first-of-type {
+						margin-left: auto;
 					}
+
+					> .column:last-of-type {
+						margin-right: auto;
+					}
+				}
+
+				> .column {
+					flex-shrink: 0;
+					border-right: solid var(--deckDividerThickness) var(--deckDivider);
+
+					&:first-child {
+						border-left: solid var(--deckDividerThickness) var(--deckDivider);
+					}
+
+					&.folder {
+						display: flex;
+						flex-direction: column;
+
+						> *:not(:last-child) {
+							border-bottom: solid var(--deckDividerThickness) var(--deckDivider);
+						}
+					}
+				}
+			}
+
+			> .sideMenu {
+				display: flex;
+				flex-direction: column;
+				justify-content: center;
+				width: 32px;
+
+				> .button {
+					width: 100%;
+					aspect-ratio: 1;
 				}
 			}
 		}
diff --git a/packages/client/src/ui/deck/column.vue b/packages/client/src/ui/deck/column.vue
index 6db3549fbb..e8e554d72b 100644
--- a/packages/client/src/ui/deck/column.vue
+++ b/packages/client/src/ui/deck/column.vue
@@ -1,13 +1,14 @@
 <template>
 <!-- sectionを利用しているのは、deck.vue側でcolumnに対してfirst-of-typeを効かせるため -->
-<section v-hotkey="keymap" class="dnpfarvg _panel _narrow_"
+<section
+	v-hotkey="keymap" class="dnpfarvg _narrow_"
 	:class="{ paged: isMainColumn, naked, active, isStacked, draghover, dragging, dropready }"
-	:style="{ '--deckColumnHeaderHeight': deckStore.reactiveState.columnHeaderHeight.value + 'px' }"
 	@dragover.prevent.stop="onDragover"
 	@dragleave="onDragleave"
 	@drop.prevent.stop="onDrop"
 >
-	<header :class="{ indicated }"
+	<header
+		:class="{ indicated }"
 		draggable="true"
 		@click="goTop"
 		@dragstart="onDragstart"
@@ -22,7 +23,7 @@
 			<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-tooltip="i18n.ts.settings" class="menu _button" @click.stop="showSettingsMenu"><i class="fas fa-cog"></i></button>
 	</header>
 	<div v-show="active" ref="body">
 		<slot></slot>
@@ -39,9 +40,8 @@ export type DeckFunc = {
 </script>
 <script lang="ts" setup>
 import { onBeforeUnmount, onMounted, provide, watch } from 'vue';
+import { updateColumn, swapLeftColumn, swapRightColumn, swapUpColumn, swapDownColumn, stackLeftColumn, popRightColumn, removeColumn, swapColumn, Column , deckStore } from './deck-store';
 import * as os from '@/os';
-import { updateColumn, swapLeftColumn, swapRightColumn, swapUpColumn, swapDownColumn, stackLeftColumn, popRightColumn, removeColumn, swapColumn, Column } from './deck-store';
-import { deckStore } from './deck-store';
 import { i18n } from '@/i18n';
 
 provide('shouldHeaderThin', true);
@@ -105,7 +105,7 @@ function onOtherDragEnd() {
 function toggleActive() {
 	if (!props.isStacked) return;
 	updateColumn(props.column.id, {
-		active: !props.column.active
+		active: !props.column.active,
 	});
 }
 
@@ -118,69 +118,83 @@ function getMenu() {
 				name: {
 					type: 'string',
 					label: i18n.ts.name,
-					default: props.column.name
+					default: props.column.name,
 				},
 				width: {
 					type: 'number',
 					label: i18n.ts.width,
-					default: props.column.width
+					default: props.column.width,
 				},
 				flexible: {
 					type: 'boolean',
 					label: i18n.ts.flexible,
-					default: props.column.flexible
-				}
+					default: props.column.flexible,
+				},
 			});
 			if (canceled) return;
 			updateColumn(props.column.id, result);
-		}
+		},
 	}, null, {
 		icon: 'fas fa-arrow-left',
 		text: i18n.ts._deck.swapLeft,
 		action: () => {
 			swapLeftColumn(props.column.id);
-		}
+		},
 	}, {
 		icon: 'fas fa-arrow-right',
 		text: i18n.ts._deck.swapRight,
 		action: () => {
 			swapRightColumn(props.column.id);
-		}
+		},
 	}, props.isStacked ? {
 		icon: 'fas fa-arrow-up',
 		text: i18n.ts._deck.swapUp,
 		action: () => {
 			swapUpColumn(props.column.id);
-		}
+		},
 	} : undefined, props.isStacked ? {
 		icon: 'fas fa-arrow-down',
 		text: i18n.ts._deck.swapDown,
 		action: () => {
 			swapDownColumn(props.column.id);
-		}
+		},
 	} : undefined, null, {
 		icon: 'fas fa-window-restore',
 		text: i18n.ts._deck.stackLeft,
 		action: () => {
 			stackLeftColumn(props.column.id);
-		}
+		},
 	}, props.isStacked ? {
 		icon: 'fas fa-window-maximize',
 		text: i18n.ts._deck.popRight,
 		action: () => {
 			popRightColumn(props.column.id);
-		}
+		},
 	} : undefined, null, {
 		icon: 'fas fa-trash-alt',
 		text: i18n.ts.remove,
 		danger: true,
 		action: () => {
 			removeColumn(props.column.id);
-		}
+		},
 	}];
+
+	if (props.func) {
+		items.unshift(null);
+		items.unshift({
+			icon: props.func.icon,
+			text: props.func.title,
+			action: props.func.handler,
+		});
+	}
+
 	return items;
 }
 
+function showSettingsMenu(ev: MouseEvent) {
+	os.popupMenu(getMenu(), ev.currentTarget ?? ev.target);
+}
+
 function onContextmenu(ev: MouseEvent) {
 	os.contextMenu(getMenu(), ev);
 }
@@ -188,7 +202,7 @@ function onContextmenu(ev: MouseEvent) {
 function goTop() {
 	body.scrollTo({
 		top: 0,
-		behavior: 'smooth'
+		behavior: 'smooth',
 	});
 }
 
@@ -239,15 +253,13 @@ function onDrop(ev) {
 <style lang="scss" scoped>
 .dnpfarvg {
 	--root-margin: 10px;
+	--deckColumnHeaderHeight: 42px;
 
 	height: 100%;
 	overflow: hidden;
-	contain: content;
-	box-shadow: 0 0 8px 0 var(--shadow);
+	contain: strict;
 
 	&.draghover {
-		box-shadow: 0 0 0 2px var(--focus);
-
 		&:after {
 			content: "";
 			display: block;
@@ -262,7 +274,18 @@ function onDrop(ev) {
 	}
 
 	&.dragging {
-		box-shadow: 0 0 0 2px var(--focus);
+		&:after {
+			content: "";
+			display: block;
+			position: absolute;
+			z-index: 1000;
+			top: 0;
+			left: 0;
+			width: 100%;
+			height: 100%;
+			background: var(--focus);
+			opacity: 0.5;
+		}
 	}
 
 	&.dropready {
diff --git a/packages/client/src/ui/deck/deck-store.ts b/packages/client/src/ui/deck/deck-store.ts
index 03d57c3467..8d876a4cd6 100644
--- a/packages/client/src/ui/deck/deck-store.ts
+++ b/packages/client/src/ui/deck/deck-store.ts
@@ -54,14 +54,6 @@ export const deckStore = markRaw(new Storage('deck', {
 		where: 'deviceAccount',
 		default: true,
 	},
-	columnMargin: {
-		where: 'deviceAccount',
-		default: 16,
-	},
-	columnHeaderHeight: {
-		where: 'deviceAccount',
-		default: 42,
-	},
 }));
 
 export const loadDeck = async () => {