diff --git a/gulpfile.ts b/gulpfile.ts
index 029979c35..2b420f5fe 100644
--- a/gulpfile.ts
+++ b/gulpfile.ts
@@ -57,16 +57,7 @@ gulp.task('build:copy:views', () =>
 	gulp.src('./src/server/web/views/**/*').pipe(gulp.dest('./built/server/web/views'))
 );
 
-// 互換性のため
-gulp.task('build:copy:lang', () =>
-	gulp.src(['./built/client/assets/*.*-*.js'])
-		.pipe(rename(path => {
-			path.basename = path.basename.replace(/\-(.*)$/, '');
-		}))
-		.pipe(gulp.dest('./built/client/assets/'))
-);
-
-gulp.task('build:copy', ['build:copy:views', 'build:copy:lang'], () =>
+gulp.task('build:copy', ['build:copy:views'], () =>
 	gulp.src([
 		'./build/Release/crypto_key.node',
 		'./src/const.json',
diff --git a/package.json b/package.json
index 68cdf98d1..19b04debf 100644
--- a/package.json
+++ b/package.json
@@ -99,6 +99,7 @@
 		"commander": "2.19.0",
 		"crc-32": "1.2.0",
 		"css-loader": "1.0.1",
+		"cssnano": "4.1.7",
 		"dateformat": "3.0.3",
 		"debug": "4.1.0",
 		"deep-equal": "1.0.1",
@@ -167,6 +168,7 @@
 		"os-utils": "0.0.14",
 		"parse5": "5.1.0",
 		"portscanner": "2.2.0",
+		"postcss-loader": "3.0.0",
 		"progress-bar-webpack-plugin": "1.11.0",
 		"promise-limit": "2.7.0",
 		"promise-sequential": "1.1.1",
diff --git a/src/client/app/common/scripts/get-md5.ts b/src/client/app/common/scripts/get-md5.ts
index 24ac04c1a..51a45b30d 100644
--- a/src/client/app/common/scripts/get-md5.ts
+++ b/src/client/app/common/scripts/get-md5.ts
@@ -1,8 +1,10 @@
-const crypto = require('crypto');
+// スクリプトサイズがデカい
+//const crypto = require('crypto');
 
 export default (data: ArrayBuffer) => {
-  const buf = new Buffer(data);
-  const hash = crypto.createHash("md5");
-  hash.update(buf);
-  return hash.digest("hex");
-};
\ No newline at end of file
+	//const buf = new Buffer(data);
+	//const hash = crypto.createHash("md5");
+	//hash.update(buf);
+	//return hash.digest("hex");
+	return '';
+};
diff --git a/src/client/app/common/views/components/emoji.vue b/src/client/app/common/views/components/emoji.vue
index 2fb7055f0..c57d6a944 100644
--- a/src/client/app/common/views/components/emoji.vue
+++ b/src/client/app/common/views/components/emoji.vue
@@ -7,7 +7,8 @@
 
 <script lang="ts">
 import Vue from 'vue';
-import { lib } from 'emojilib';
+// スクリプトサイズがデカい
+//import { lib } from 'emojilib';
 
 export default Vue.extend({
 	props: {
@@ -50,10 +51,10 @@ export default Vue.extend({
 				this.customEmoji = customEmoji;
 				this.url = customEmoji.url;
 			} else {
-				const emoji = lib[this.name];
-				if (emoji) {
-					this.char = emoji.char;
-				}
+				//const emoji = lib[this.name];
+				//if (emoji) {
+				//	this.char = emoji.char;
+				//}
 			}
 		} else {
 			this.char = this.emoji;
diff --git a/src/client/app/common/views/directives/autocomplete.ts b/src/client/app/common/views/directives/autocomplete.ts
index 069aeb278..4440747e1 100644
--- a/src/client/app/common/views/directives/autocomplete.ts
+++ b/src/client/app/common/views/directives/autocomplete.ts
@@ -1,5 +1,4 @@
 import * as getCaretCoordinates from 'textarea-caret';
-import MkAutocomplete from '../components/autocomplete.vue';
 import { toASCII } from 'punycode';
 
 export default {
@@ -123,7 +122,7 @@ class Autocomplete {
 	/**
 	 * サジェストを提示します。
 	 */
-	private open(type, q) {
+	private async open(type, q) {
 		if (type != this.currentType) {
 			this.close();
 		}
@@ -143,6 +142,8 @@ class Autocomplete {
 			this.suggestion.y = y;
 			this.suggestion.q = q;
 		} else {
+			const MkAutocomplete = await import('../components/autocomplete.vue').then(m => m.default);
+
 			// サジェスト要素作成
 			this.suggestion = new MkAutocomplete({
 				parent: this.vm,
diff --git a/src/client/app/desktop/views/components/game-window.vue b/src/client/app/desktop/views/components/game-window.vue
index 2ffe8d2f9..10db06236 100644
--- a/src/client/app/desktop/views/components/game-window.vue
+++ b/src/client/app/desktop/views/components/game-window.vue
@@ -13,7 +13,7 @@ import { url } from '../../../config';
 export default Vue.extend({
 	i18n: i18n('desktop/views/components/game-window.vue'),
 	components: {
-		XReversi: () => import('../../../common/views/components/games/reversi/reversi.vue')
+		XReversi: () => import('../../../common/views/components/games/reversi/reversi.vue').then(m => m.default)
 	},
 	data() {
 		return {
diff --git a/src/client/app/desktop/views/pages/games/reversi.vue b/src/client/app/desktop/views/pages/games/reversi.vue
index ecf138bdd..d281e0b67 100644
--- a/src/client/app/desktop/views/pages/games/reversi.vue
+++ b/src/client/app/desktop/views/pages/games/reversi.vue
@@ -9,7 +9,7 @@ import Vue from 'vue';
 
 export default Vue.extend({
 	components: {
-		XReversi: () => import('../../../../common/views/components/games/reversi/reversi.vue')
+		XReversi: () => import('../../../../common/views/components/games/reversi/reversi.vue').then(m => m.default)
 	},
 	props: {
 		ui: {
diff --git a/src/client/app/mobile/views/pages/games/reversi.vue b/src/client/app/mobile/views/pages/games/reversi.vue
index 470f5cb16..983fb0782 100644
--- a/src/client/app/mobile/views/pages/games/reversi.vue
+++ b/src/client/app/mobile/views/pages/games/reversi.vue
@@ -12,7 +12,7 @@ import i18n from '../../../../i18n';
 export default Vue.extend({
 	i18n: i18n('mobile/views/pages/games/reversi.vue'),
 	components: {
-		XReversi: () => import('../../../../common/views/components/games/reversi/reversi.vue')
+		XReversi: () => import('../../../../common/views/components/games/reversi/reversi.vue').then(m => m.default)
 	},
 	mounted() {
 		document.title = `${this.$root.instanceName} %i18n:@reversi%`;
diff --git a/src/client/app/tsconfig.json b/src/client/app/tsconfig.json
index 4a0546967..8605da75a 100644
--- a/src/client/app/tsconfig.json
+++ b/src/client/app/tsconfig.json
@@ -10,7 +10,7 @@
     "declaration": false,
     "sourceMap": false,
     "target": "es2017",
-    "module": "commonjs",
+    "module": "esnext",
     "removeComments": false,
     "noLib": false,
     "strict": true,
diff --git a/webpack.config.ts b/webpack.config.ts
index ee1b59c95..d924d2b5f 100644
--- a/webpack.config.ts
+++ b/webpack.config.ts
@@ -17,82 +17,28 @@ const meta = require('./package.json');
 const version = meta.clientVersion;
 const codename = meta.codename;
 
-const langs = Object.keys(locales);
-
 const isProduction = process.env.NODE_ENV == 'production';
 
-// Entries
-const entry = {
-	desktop: './src/client/app/desktop/script.ts',
-	mobile: './src/client/app/mobile/script.ts',
-	dev: './src/client/app/dev/script.ts',
-	auth: './src/client/app/auth/script.ts',
-	admin: './src/client/app/admin/script.ts',
-	sw: './src/client/app/sw.js'
+const postcss = {
+	loader: 'postcss-loader',
+	options: {
+		plugins: [
+			require('cssnano')({
+				preset: 'default'
+			})
+		]
+	},
 };
 
-const output = {
-	path: __dirname + '/built/client/assets',
-	filename: `[name].${version}.-.js`
-};
-
-//#region Define consts
-const consts = {
-	_THEME_COLOR_: constants.themeColor,
-	_COPYRIGHT_: constants.copyright,
-	_VERSION_: meta.version,
-	_CLIENT_VERSION_: version,
-	_CODENAME_: codename,
-	_LANG_: '%lang%',
-	_LANGS_: Object.keys(locales).map(l => [l, locales[l].meta.lang]),
-	_LOCALE_: '%locale%',
-	_ENV_: process.env.NODE_ENV
-};
-
-const _consts: { [ key: string ]: any } = {};
-
-Object.keys(consts).forEach(key => {
-	_consts[key] = JSON.stringify((consts as any)[key]);
-});
-//#endregion
-
-const plugins = [
-	//new HardSourceWebpackPlugin(),
-	new ProgressBarPlugin({
-		format: chalk`  {cyan.bold yes we can} {bold [}:bar{bold ]} {green.bold :percent} {gray (:current/:total)} :elapseds`,
-		clear: false
-	}),
-	new webpack.DefinePlugin(_consts),
-	new webpack.DefinePlugin({
-		'process.env.NODE_ENV': JSON.stringify(isProduction ? 'production' : 'development')
-	}),
-	new WebpackOnBuildPlugin((stats: any) => {
-		fs.writeFileSync('./built/client/meta.json', JSON.stringify({
-			version
-		}), 'utf-8');
-
-		//#region i18n
-		langs.forEach(lang => {
-			Object.keys(entry).forEach(file => {
-				let src = fs.readFileSync(`${__dirname}/built/client/assets/${file}.${version}.-.js`, 'utf-8');
-
-				src = src.replace('%lang%', lang);
-				src = src.replace('"%locale%"', JSON.stringify(locales[lang]));
-
-				fs.writeFileSync(`${__dirname}/built/client/assets/${file}.${version}.${lang}.js`, src, 'utf-8');
-			});
-		});
-		//#endregion
-	}),
-	new VueLoaderPlugin()
-];
-
-if (isProduction) {
-	plugins.push(new webpack.optimize.ModuleConcatenationPlugin());
-}
-
-module.exports = {
-	entry,
+module.exports = Object.keys(locales).map(lang => ({
+	entry: {
+		desktop: './src/client/app/desktop/script.ts',
+		mobile: './src/client/app/mobile/script.ts',
+		dev: './src/client/app/dev/script.ts',
+		auth: './src/client/app/auth/script.ts',
+		admin: './src/client/app/admin/script.ts',
+		sw: './src/client/app/sw.js'
+	},
 	module: {
 		rules: [{
 			test: /\.vue$/,
@@ -118,21 +64,17 @@ module.exports = {
 				}, {
 					loader: 'css-loader',
 					options: {
-						modules: true,
-						minimize: true
+						modules: true
 					}
-				}, {
+				}, postcss, {
 					loader: 'stylus-loader'
 				}]
 			}, {
 				use: [{
 					loader: 'vue-style-loader'
 				}, {
-					loader: 'css-loader',
-					options: {
-						minimize: true
-					}
-				}, {
+					loader: 'css-loader'
+				}, postcss, {
 					loader: 'stylus-loader'
 				}]
 			}]
@@ -141,11 +83,8 @@ module.exports = {
 			use: [{
 				loader: 'vue-style-loader'
 			}, {
-				loader: 'css-loader',
-				options: {
-					minimize: true
-				}
-			}]
+				loader: 'css-loader'
+			}, postcss]
 		}, {
 			test: /\.(eot|woff|woff2|svg|ttf)([\?]?.*)$/,
 			loader: 'url-loader'
@@ -165,8 +104,39 @@ module.exports = {
 			}]
 		}]
 	},
-	plugins,
-	output,
+	plugins: [
+		//new HardSourceWebpackPlugin(),
+		new ProgressBarPlugin({
+			format: chalk`  {cyan.bold yes we can} {bold [}:bar{bold ]} {green.bold :percent} {gray (:current/:total)} :elapseds`,
+			clear: false
+		}),
+		new webpack.DefinePlugin({
+			_THEME_COLOR_: JSON.stringify(constants.themeColor),
+			_COPYRIGHT_: JSON.stringify(constants.copyright),
+			_VERSION_: JSON.stringify(meta.version),
+			_CLIENT_VERSION_: JSON.stringify(version),
+			_CODENAME_: JSON.stringify(codename),
+			_LANG_: JSON.stringify(lang),
+			_LANGS_: JSON.stringify(Object.keys(locales).map(l => [l, locales[l].meta.lang])),
+			_LOCALE_: JSON.stringify(locales[lang]),
+			_ENV_: JSON.stringify(process.env.NODE_ENV)
+		}),
+		new webpack.DefinePlugin({
+			'process.env.NODE_ENV': JSON.stringify(isProduction ? 'production' : 'development')
+		}),
+		new WebpackOnBuildPlugin((stats: any) => {
+			fs.writeFileSync('./built/client/meta.json', JSON.stringify({
+				version
+			}), 'utf-8');
+		}),
+		new VueLoaderPlugin(),
+		new webpack.optimize.ModuleConcatenationPlugin()
+	],
+	output: {
+		path: __dirname + '/built/client/assets',
+		filename: `[name].${version}.${lang}.js`,
+		publicPath: `/assets/`
+	},
 	resolve: {
 		extensions: [
 			'.js', '.ts', '.json'
@@ -181,4 +151,4 @@ module.exports = {
 	cache: true,
 	devtool: false, //'source-map',
 	mode: isProduction ? 'production' : 'development'
-};
+}));