diff --git a/src/web/app/auth/tags/form.tag b/src/web/app/auth/tags/form.tag
index 2007e1e5ce..99212febfc 100644
--- a/src/web/app/auth/tags/form.tag
+++ b/src/web/app/auth/tags/form.tag
@@ -29,7 +29,7 @@
 		<button onclick={ cancel }>キャンセル</button>
 		<button onclick={ accept }>アクセスを許可</button>
 	</div>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 
diff --git a/src/web/app/auth/tags/index.tag b/src/web/app/auth/tags/index.tag
index 9d3e654871..b17d857db2 100644
--- a/src/web/app/auth/tags/index.tag
+++ b/src/web/app/auth/tags/index.tag
@@ -24,7 +24,7 @@
 		<mk-signin></mk-signin>
 	</main>
 	<footer><img src="/_/resources/auth/logo.svg" alt="Misskey"/></footer>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 
diff --git a/src/web/app/common/tags/api-info.tag b/src/web/app/common/tags/api-info.tag
index 3c1865c90c..f3cef26509 100644
--- a/src/web/app/common/tags/api-info.tag
+++ b/src/web/app/common/tags/api-info.tag
@@ -5,7 +5,7 @@
 	<p>万が一このトークンが漏れたりその可能性がある場合は
 		<button class="regenerate" onclick={ regenerateToken }>トークンを再生成</button>できます。(副作用として、ログインしているすべてのデバイスでログアウトが発生します)
 	</p>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 
diff --git a/src/web/app/common/tags/authorized-apps.tag b/src/web/app/common/tags/authorized-apps.tag
index 47ae9b8cb3..16e9d9c0c1 100644
--- a/src/web/app/common/tags/authorized-apps.tag
+++ b/src/web/app/common/tags/authorized-apps.tag
@@ -6,7 +6,7 @@
 			<p>{ app.description }</p>
 		</div>
 	</div>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 
diff --git a/src/web/app/common/tags/copyright.tag b/src/web/app/common/tags/copyright.tag
index c5041935f4..368c4e3196 100644
--- a/src/web/app/common/tags/copyright.tag
+++ b/src/web/app/common/tags/copyright.tag
@@ -1,5 +1,5 @@
 <mk-copyright><span>(c) syuilo 2014-2017</span>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 
diff --git a/src/web/app/common/tags/core-error.tag b/src/web/app/common/tags/core-error.tag
index af398301cd..5b5d163600 100644
--- a/src/web/app/common/tags/core-error.tag
+++ b/src/web/app/common/tags/core-error.tag
@@ -5,7 +5,7 @@
 	</h1>
 	<p class="text">インターネット回線に問題があるか、サーバーがダウンまたはメンテナンスしている可能性があります。しばらくしてから<a onclick={ retry }>再度お試し</a>ください。</p>
 	<p class="thanks">いつもMisskeyをご利用いただきありがとうございます。</p>
-	<style type="stylus">
+	<style>
 		:scope
 			position fixed
 			z-index 16385
diff --git a/src/web/app/common/tags/ellipsis.tag b/src/web/app/common/tags/ellipsis.tag
index 71755dd8f3..58f1083954 100644
--- a/src/web/app/common/tags/ellipsis.tag
+++ b/src/web/app/common/tags/ellipsis.tag
@@ -1,5 +1,5 @@
 <mk-ellipsis><span>.</span><span>.</span><span>.</span>
-	<style type="stylus">
+	<style>
 		:scope
 			display inline
 
diff --git a/src/web/app/common/tags/file-type-icon.tag b/src/web/app/common/tags/file-type-icon.tag
index b4b0c88d66..37cae49993 100644
--- a/src/web/app/common/tags/file-type-icon.tag
+++ b/src/web/app/common/tags/file-type-icon.tag
@@ -1,6 +1,6 @@
 <mk-file-type-icon>
 	<i class="fa fa-file-image-o" if={ kind == 'image' }></i>
-	<style type="stylus">
+	<style>
 		:scope
 			display inline
 	</style>
diff --git a/src/web/app/common/tags/forkit.tag b/src/web/app/common/tags/forkit.tag
index 5e44055455..98d29c26bc 100644
--- a/src/web/app/common/tags/forkit.tag
+++ b/src/web/app/common/tags/forkit.tag
@@ -4,7 +4,7 @@
 			<path class="octo-arm" d="M128.3,109.0 C113.8,99.7 119.0,89.6 119.0,89.6 C122.0,82.7 120.5,78.6 120.5,78.6 C119.2,72.0 123.4,76.3 123.4,76.3 C127.3,80.9 125.5,87.3 125.5,87.3 C122.9,97.6 130.6,101.9 134.4,103.2" fill="currentColor"></path>
 			<path d="M115.0,115.0 C114.9,115.1 118.7,116.5 119.8,115.4 L133.7,101.6 C136.9,99.2 139.9,98.4 142.2,98.6 C133.8,88.0 127.5,74.4 143.8,58.0 C148.5,53.4 154.0,51.2 159.7,51.0 C160.3,49.4 163.2,43.6 171.4,40.1 C171.4,40.1 176.1,42.5 178.8,56.2 C183.1,58.6 187.2,61.8 190.9,65.4 C194.5,69.0 197.7,73.2 200.1,77.6 C213.8,80.2 216.3,84.9 216.3,84.9 C212.7,93.1 206.9,96.0 205.4,96.6 C205.1,102.4 203.0,107.8 198.3,112.5 C181.9,128.9 168.3,122.5 157.7,114.1 C157.9,116.9 156.7,120.9 152.7,124.9 L141.0,136.5 C139.8,137.7 141.6,141.9 141.8,141.8 Z" fill="currentColor"></path>
 		</svg></a>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 			position absolute
@@ -36,9 +36,5 @@
 				40%, 80%
 					transform rotate(10deg)
 
-			
-
-			
-
 	</style>
 </mk-forkit>
diff --git a/src/web/app/common/tags/introduction.tag b/src/web/app/common/tags/introduction.tag
index 925e077737..7950586a27 100644
--- a/src/web/app/common/tags/introduction.tag
+++ b/src/web/app/common/tags/introduction.tag
@@ -5,7 +5,7 @@
 <p>無料で誰でも利用でき、広告は一切掲載していません。</p>
 <p><a href={ CONFIG.urls.about } target="_blank">もっと知りたい方はこちら</a></p>
 	</article>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 
diff --git a/src/web/app/common/tags/messaging/form.tag b/src/web/app/common/tags/messaging/form.tag
index 8979edf288..d6750fb9ec 100644
--- a/src/web/app/common/tags/messaging/form.tag
+++ b/src/web/app/common/tags/messaging/form.tag
@@ -6,7 +6,7 @@
 	<button class="attach-from-local" type="button" title="PCから画像を添付する"><i class="fa fa-upload"></i></button>
 	<button class="attach-from-drive" type="button" title="アルバムから画像を添付する"><i class="fa fa-folder-open"></i></button>
 	<input name="file" type="file" accept="image/*"/>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 
diff --git a/src/web/app/common/tags/messaging/index.tag b/src/web/app/common/tags/messaging/index.tag
index 7a6bf3709b..69f78ba8e3 100644
--- a/src/web/app/common/tags/messaging/index.tag
+++ b/src/web/app/common/tags/messaging/index.tag
@@ -32,7 +32,7 @@
 		</virtual>
 	</div>
 	<p class="no-history" if={ history.length == 0 }>履歴はありません。<br/>ユーザーを検索して、いつでもメッセージを送受信できます。</p>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 
diff --git a/src/web/app/common/tags/messaging/message.tag b/src/web/app/common/tags/messaging/message.tag
index 375a2fefcc..5765ffa6c8 100644
--- a/src/web/app/common/tags/messaging/message.tag
+++ b/src/web/app/common/tags/messaging/message.tag
@@ -15,7 +15,7 @@
 			<mk-time time={ message.created_at }></mk-time><i class="fa fa-pencil is-edited" if={ message.is_edited }></i>
 		</footer>
 	</div>
-	<style type="stylus">
+	<style>
 		:scope
 			$me-balloon-color = #23A7B6
 
diff --git a/src/web/app/common/tags/messaging/room.tag b/src/web/app/common/tags/messaging/room.tag
index 237be36d47..5882a7fa40 100644
--- a/src/web/app/common/tags/messaging/room.tag
+++ b/src/web/app/common/tags/messaging/room.tag
@@ -13,7 +13,7 @@
 		<div class="grippie" title="ドラッグしてフォームの広さを調整"></div>
 		<mk-messaging-form user={ user }></mk-messaging-form>
 	</footer>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 
diff --git a/src/web/app/common/tags/number.tag b/src/web/app/common/tags/number.tag
index 3b9879655e..c878c842e2 100644
--- a/src/web/app/common/tags/number.tag
+++ b/src/web/app/common/tags/number.tag
@@ -1,5 +1,5 @@
 <mk-number>
-	<style type="stylus">
+	<style>
 		:scope
 			display inline
 
diff --git a/src/web/app/common/tags/poll-editor.tag b/src/web/app/common/tags/poll-editor.tag
index 66a6e74d9f..1c9c668f0b 100644
--- a/src/web/app/common/tags/poll-editor.tag
+++ b/src/web/app/common/tags/poll-editor.tag
@@ -14,7 +14,7 @@
 	<button class="destroy" onclick={ destroy } title="投票を破棄">
 		<i class="fa fa-times"></i>
 	</button>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 			padding 8px
diff --git a/src/web/app/common/tags/poll.tag b/src/web/app/common/tags/poll.tag
index dc04c2ecf1..426bb44281 100644
--- a/src/web/app/common/tags/poll.tag
+++ b/src/web/app/common/tags/poll.tag
@@ -15,7 +15,7 @@
 		<a if={ !isVoted } onclick={ toggleResult }>{ result ? '投票する' : '結果を見る' }</a>
 		<span if={ isVoted }>投票済み</span>
 	</p>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 
diff --git a/src/web/app/common/tags/raw.tag b/src/web/app/common/tags/raw.tag
index ee7318a9f2..609c53e7e9 100644
--- a/src/web/app/common/tags/raw.tag
+++ b/src/web/app/common/tags/raw.tag
@@ -1,5 +1,5 @@
 <mk-raw>
-	<style type="stylus">
+	<style>
 		:scope
 			display inline
 
diff --git a/src/web/app/common/tags/ripple-string.tag b/src/web/app/common/tags/ripple-string.tag
index 2afd2b9ff3..d3303e6ba6 100644
--- a/src/web/app/common/tags/ripple-string.tag
+++ b/src/web/app/common/tags/ripple-string.tag
@@ -1,5 +1,5 @@
 <mk-ripple-string><yield/>
-	<style type="stylus">
+	<style>
 		:scope
 			display inline
 
diff --git a/src/web/app/common/tags/signin-history.tag b/src/web/app/common/tags/signin-history.tag
index 3dc650d5fc..ffc837891d 100644
--- a/src/web/app/common/tags/signin-history.tag
+++ b/src/web/app/common/tags/signin-history.tag
@@ -6,7 +6,7 @@
 			<pre><code>{ JSON.stringify(headers, null, '    ') }</code></pre>
 		</div>
 	</div>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 
diff --git a/src/web/app/common/tags/signin.tag b/src/web/app/common/tags/signin.tag
index d181e71622..28d73b037f 100644
--- a/src/web/app/common/tags/signin.tag
+++ b/src/web/app/common/tags/signin.tag
@@ -8,7 +8,7 @@
 		</label>
 		<button type="submit" disabled={ signing }>{ signing ? 'やっています...' : 'サインイン' }</button>
 	</form>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 
diff --git a/src/web/app/common/tags/signup.tag b/src/web/app/common/tags/signup.tag
index 508b37c1b7..47a37108a0 100644
--- a/src/web/app/common/tags/signup.tag
+++ b/src/web/app/common/tags/signup.tag
@@ -38,7 +38,7 @@
 		</label>
 		<button onclick={ onsubmit }>アカウント作成</button>
 	</form>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 			min-width 302px
diff --git a/src/web/app/common/tags/special-message.tag b/src/web/app/common/tags/special-message.tag
index 7316d91c89..53c54c9816 100644
--- a/src/web/app/common/tags/special-message.tag
+++ b/src/web/app/common/tags/special-message.tag
@@ -1,7 +1,7 @@
 <mk-special-message>
 	<p if={ m == 1 && d == 1 }>Happy New Year! </p>
 	<p if={ m == 12 && d == 25 }>Merry Christmas!</p>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 
diff --git a/src/web/app/common/tags/twitter-setting.tag b/src/web/app/common/tags/twitter-setting.tag
index 64ce0a2908..247f4719ee 100644
--- a/src/web/app/common/tags/twitter-setting.tag
+++ b/src/web/app/common/tags/twitter-setting.tag
@@ -7,7 +7,7 @@
 		<a href={ CONFIG.api.url + '/disconnect/twitter' } target="_blank" if={ I.twitter }>切断する</a>
 	</p>
 	<p class="id" if={ I.twitter }>Twitter ID: { I.twitter.user_id }</p>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 
diff --git a/src/web/app/common/tags/uploader.tag b/src/web/app/common/tags/uploader.tag
index 98e2ec38a0..b1be019875 100644
--- a/src/web/app/common/tags/uploader.tag
+++ b/src/web/app/common/tags/uploader.tag
@@ -10,7 +10,7 @@
 			<div class="progress waiting" if={ progress != undefined && progress.value == progress.max }></div>
 		</li>
 	</ol>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 			overflow auto
diff --git a/src/web/app/common/tags/url-preview.tag b/src/web/app/common/tags/url-preview.tag
index 15003c8925..7aab9d94e0 100644
--- a/src/web/app/common/tags/url-preview.tag
+++ b/src/web/app/common/tags/url-preview.tag
@@ -9,7 +9,7 @@
 				<p>{ sitename }</p>
 			</footer>
 		</article></a>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 			font-size 16px
diff --git a/src/web/app/common/tags/url.tag b/src/web/app/common/tags/url.tag
index 2f25152c54..d4284b61bf 100644
--- a/src/web/app/common/tags/url.tag
+++ b/src/web/app/common/tags/url.tag
@@ -1,5 +1,5 @@
 <mk-url><a href={ url } target={ opts.target }><span class="schema">{ schema }//</span><span class="hostname">{ hostname }</span><span class="port" if={ port != '' }>:{ port }</span><span class="pathname" if={ pathname != '' }>{ pathname }</span><span class="query">{ query }</span><span class="hash">{ hash }</span></a>
-	<style type="stylus">
+	<style>
 		:scope
 			word-break break-all
 
diff --git a/src/web/app/desktop/tags/analog-clock.tag b/src/web/app/desktop/tags/analog-clock.tag
index c84accb057..d2458a7789 100644
--- a/src/web/app/desktop/tags/analog-clock.tag
+++ b/src/web/app/desktop/tags/analog-clock.tag
@@ -1,6 +1,6 @@
 <mk-analog-clock>
 	<canvas ref="canvas" width="256" height="256"></canvas>
-	<style type="stylus">
+	<style>
 		:scope
 			> canvas
 				display block
diff --git a/src/web/app/desktop/tags/autocomplete-suggestion.tag b/src/web/app/desktop/tags/autocomplete-suggestion.tag
index 2d0e656a0f..4aea8d8881 100644
--- a/src/web/app/desktop/tags/autocomplete-suggestion.tag
+++ b/src/web/app/desktop/tags/autocomplete-suggestion.tag
@@ -6,7 +6,7 @@
 			<span class="username">@{ username }</span>
 		</li>
 	</ol>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 			position absolute
diff --git a/src/web/app/desktop/tags/big-follow-button.tag b/src/web/app/desktop/tags/big-follow-button.tag
index 687695fd85..dfee12b2a0 100644
--- a/src/web/app/desktop/tags/big-follow-button.tag
+++ b/src/web/app/desktop/tags/big-follow-button.tag
@@ -1,7 +1,7 @@
 <mk-big-follow-button>
 	<button class={ wait: wait, follow: !user.is_following, unfollow: user.is_following } if={ !init } onclick={ onclick } disabled={ wait } title={ user.is_following ? 'フォロー解除' : 'フォローする' }><span if={ !wait && user.is_following }><i class="fa fa-minus"></i>フォロー解除</span><span if={ !wait && !user.is_following }><i class="fa fa-plus"></i>フォロー</span><i class="fa fa-spinner fa-pulse fa-fw" if={ wait }></i></button>
 	<div class="init" if={ init }><i class="fa fa-spinner fa-pulse fa-fw"></i></div>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 
diff --git a/src/web/app/desktop/tags/contextmenu.tag b/src/web/app/desktop/tags/contextmenu.tag
index c82a1e1e3a..b22948b7d4 100644
--- a/src/web/app/desktop/tags/contextmenu.tag
+++ b/src/web/app/desktop/tags/contextmenu.tag
@@ -1,5 +1,5 @@
 <mk-contextmenu><yield />
-	<style type="stylus">
+	<style>
 		:scope
 			$width = 240px
 			$item-height = 38px
diff --git a/src/web/app/desktop/tags/crop-window.tag b/src/web/app/desktop/tags/crop-window.tag
index 22d592cf09..8d27f4c512 100644
--- a/src/web/app/desktop/tags/crop-window.tag
+++ b/src/web/app/desktop/tags/crop-window.tag
@@ -8,7 +8,7 @@
 			<button class="ok" onclick={ parent.ok }>決定</button>
 		</div></yield>
 	</mk-window>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 
diff --git a/src/web/app/desktop/tags/dialog.tag b/src/web/app/desktop/tags/dialog.tag
index 409ab1e805..528779242e 100644
--- a/src/web/app/desktop/tags/dialog.tag
+++ b/src/web/app/desktop/tags/dialog.tag
@@ -9,7 +9,7 @@
 			</virtual>
 		</div>
 	</div>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 
diff --git a/src/web/app/desktop/tags/donation.tag b/src/web/app/desktop/tags/donation.tag
index c9d88b85b0..7d0056d36f 100644
--- a/src/web/app/desktop/tags/donation.tag
+++ b/src/web/app/desktop/tags/donation.tag
@@ -20,7 +20,7 @@
 			よろしくお願いいたします。
 		</p>
 	</div>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 			color #fff
diff --git a/src/web/app/desktop/tags/drive/browser-window.tag b/src/web/app/desktop/tags/drive/browser-window.tag
index 4c9db8d776..c975427893 100644
--- a/src/web/app/desktop/tags/drive/browser-window.tag
+++ b/src/web/app/desktop/tags/drive/browser-window.tag
@@ -8,7 +8,7 @@
 			<mk-drive-browser multiple={ true } folder={ parent.folder }></mk-drive-browser>
 		</yield>
 	</mk-window>
-	<style type="stylus">
+	<style>
 		:scope
 			> mk-window
 				[data-yield='header']
diff --git a/src/web/app/desktop/tags/drive/browser.tag b/src/web/app/desktop/tags/drive/browser.tag
index 8ec90955fe..1e8448dab2 100644
--- a/src/web/app/desktop/tags/drive/browser.tag
+++ b/src/web/app/desktop/tags/drive/browser.tag
@@ -39,7 +39,7 @@
 	<div class="dropzone" if={ draghover }></div>
 	<mk-uploader ref="uploader"></mk-uploader>
 	<input ref="fileInput" type="file" accept="*/*" multiple="multiple" tabindex="-1" onchange={ changeFileInput }/>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 
diff --git a/src/web/app/desktop/tags/drive/file.tag b/src/web/app/desktop/tags/drive/file.tag
index 9325e30a46..252e5ab1de 100644
--- a/src/web/app/desktop/tags/drive/file.tag
+++ b/src/web/app/desktop/tags/drive/file.tag
@@ -10,7 +10,7 @@
 	</div>
 	<div class="thumbnail"><img src={ file.url + '?thumbnail&size=128' } alt=""/></div>
 	<p class="name"><span>{ file.name.lastIndexOf('.') != -1 ? file.name.substr(0, file.name.lastIndexOf('.')) : file.name }</span><span class="ext" if={ file.name.lastIndexOf('.') != -1 }>{ file.name.substr(file.name.lastIndexOf('.')) }</span></p>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 			margin 4px
diff --git a/src/web/app/desktop/tags/drive/folder.tag b/src/web/app/desktop/tags/drive/folder.tag
index f424de399e..b6d52f19e6 100644
--- a/src/web/app/desktop/tags/drive/folder.tag
+++ b/src/web/app/desktop/tags/drive/folder.tag
@@ -1,6 +1,6 @@
 <mk-drive-browser-folder data-is-contextmenu-showing={ isContextmenuShowing.toString() } data-draghover={ draghover.toString() } onclick={ onclick } onmouseover={ onmouseover } onmouseout={ onmouseout } ondragover={ ondragover } ondragenter={ ondragenter } ondragleave={ ondragleave } ondrop={ ondrop } oncontextmenu={ oncontextmenu } draggable="true" ondragstart={ ondragstart } ondragend={ ondragend } title={ title }>
 	<p class="name"><i class="fa fa-fw { fa-folder-o: !hover, fa-folder-open-o: hover }"></i>{ folder.name }</p>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 			margin 4px
diff --git a/src/web/app/desktop/tags/drive/nav-folder.tag b/src/web/app/desktop/tags/drive/nav-folder.tag
index 9f002a592c..632783d20b 100644
--- a/src/web/app/desktop/tags/drive/nav-folder.tag
+++ b/src/web/app/desktop/tags/drive/nav-folder.tag
@@ -1,5 +1,5 @@
 <mk-drive-browser-nav-folder data-draghover={ draghover } onclick={ onclick } ondragover={ ondragover } ondragenter={ ondragenter } ondragleave={ ondragleave } ondrop={ ondrop }><i class="fa fa-cloud" if={ folder == null }></i><span>{ folder == null ? 'ドライブ' : folder.name }</span>
-	<style type="stylus">
+	<style>
 		:scope
 			&[data-draghover]
 				background #eee
diff --git a/src/web/app/desktop/tags/ellipsis-icon.tag b/src/web/app/desktop/tags/ellipsis-icon.tag
index 34731bb797..731c2525f1 100644
--- a/src/web/app/desktop/tags/ellipsis-icon.tag
+++ b/src/web/app/desktop/tags/ellipsis-icon.tag
@@ -2,7 +2,7 @@
 	<div></div>
 	<div></div>
 	<div></div>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 			width 70px
diff --git a/src/web/app/desktop/tags/follow-button.tag b/src/web/app/desktop/tags/follow-button.tag
index df9f271d29..1e82b5ed1a 100644
--- a/src/web/app/desktop/tags/follow-button.tag
+++ b/src/web/app/desktop/tags/follow-button.tag
@@ -1,7 +1,7 @@
 <mk-follow-button>
 	<button class={ wait: wait, follow: !user.is_following, unfollow: user.is_following } if={ !init } onclick={ onclick } disabled={ wait } title={ user.is_following ? 'フォロー解除' : 'フォローする' }><i class="fa fa-minus" if={ !wait && user.is_following }></i><i class="fa fa-plus" if={ !wait && !user.is_following }></i><i class="fa fa-spinner fa-pulse fa-fw" if={ wait }></i></button>
 	<div class="init" if={ init }><i class="fa fa-spinner fa-pulse fa-fw"></i></div>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 
diff --git a/src/web/app/desktop/tags/following-setuper.tag b/src/web/app/desktop/tags/following-setuper.tag
index 290b941ff7..1b2e5aafa0 100644
--- a/src/web/app/desktop/tags/following-setuper.tag
+++ b/src/web/app/desktop/tags/following-setuper.tag
@@ -13,7 +13,7 @@
 		<mk-ellipsis></mk-ellipsis>
 	</p><a class="refresh" onclick={ refresh }>もっと見る</a>
 	<button class="close" onclick={ close } title="閉じる"><i class="fa fa-times"></i></button>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 			padding 24px
diff --git a/src/web/app/desktop/tags/home-widgets/broadcast.tag b/src/web/app/desktop/tags/home-widgets/broadcast.tag
index dda71218ab..1102e22c7f 100644
--- a/src/web/app/desktop/tags/home-widgets/broadcast.tag
+++ b/src/web/app/desktop/tags/home-widgets/broadcast.tag
@@ -10,7 +10,7 @@
 	</div>
 	<h1>開発者募集中！</h1>
 	<p><a href="https://github.com/syuilo/misskey" target="_blank">Misskeyはオープンソースで開発されています。リポジトリはこちら。</a></p>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 			padding 10px 10px 10px 50px
diff --git a/src/web/app/desktop/tags/home-widgets/calendar.tag b/src/web/app/desktop/tags/home-widgets/calendar.tag
index b9828cf56c..3d62dc60c5 100644
--- a/src/web/app/desktop/tags/home-widgets/calendar.tag
+++ b/src/web/app/desktop/tags/home-widgets/calendar.tag
@@ -24,7 +24,7 @@
 			</div>
 		</div>
 	</div>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 			padding 16px 0
diff --git a/src/web/app/desktop/tags/home-widgets/donation.tag b/src/web/app/desktop/tags/home-widgets/donation.tag
index 01d9b20ea2..047ea5011d 100644
--- a/src/web/app/desktop/tags/home-widgets/donation.tag
+++ b/src/web/app/desktop/tags/home-widgets/donation.tag
@@ -7,7 +7,7 @@
 			もしご興味があれば、<a href="/syuilo" data-user-preview="@syuilo">@syuilo</a>までご連絡ください。ご協力ありがとうございます。
 		</p>
 	</article>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 			background #fff
diff --git a/src/web/app/desktop/tags/home-widgets/mentions.tag b/src/web/app/desktop/tags/home-widgets/mentions.tag
index 64419fb6fe..d683b0817b 100644
--- a/src/web/app/desktop/tags/home-widgets/mentions.tag
+++ b/src/web/app/desktop/tags/home-widgets/mentions.tag
@@ -5,7 +5,7 @@
 	</div>
 	<p class="empty" if={ isEmpty }><i class="fa fa-comments-o"></i><span if={ mode == 'all' }>あなた宛ての投稿はありません。</span><span if={ mode == 'following' }>あなたがフォローしているユーザーからの言及はありません。</span></p>
 	<mk-timeline ref="timeline"><yield to="footer"><i class="fa fa-moon-o" if={ !parent.moreLoading }></i><i class="fa fa-spinner fa-pulse fa-fw" if={ parent.moreLoading }></i></yield></mk-timeline>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 			background #fff
diff --git a/src/web/app/desktop/tags/home-widgets/nav.tag b/src/web/app/desktop/tags/home-widgets/nav.tag
index db052f74e6..4b2cfe4386 100644
--- a/src/web/app/desktop/tags/home-widgets/nav.tag
+++ b/src/web/app/desktop/tags/home-widgets/nav.tag
@@ -1,5 +1,5 @@
 <mk-nav-home-widget><a href={ CONFIG.urls.about }>Misskeyについて</a><i>・</i><a href={ CONFIG.urls.about + '/status' }>ステータス</a><i>・</i><a href="https://github.com/syuilo/misskey">リポジトリ</a><i>・</i><a href={ CONFIG.urls.dev }>開発者</a><i>・</i><a href="https://twitter.com/misskey_xyz" target="_blank">Follow us on <i class="fa fa-twitter"></i></a>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 			padding 16px
diff --git a/src/web/app/desktop/tags/home-widgets/notifications.tag b/src/web/app/desktop/tags/home-widgets/notifications.tag
index 5cb50f9716..b09ae976eb 100644
--- a/src/web/app/desktop/tags/home-widgets/notifications.tag
+++ b/src/web/app/desktop/tags/home-widgets/notifications.tag
@@ -2,7 +2,7 @@
 	<p class="title"><i class="fa fa-bell-o"></i>通知</p>
 	<button onclick={ settings } title="通知の設定"><i class="fa fa-cog"></i></button>
 	<mk-notifications></mk-notifications>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 			background #fff
diff --git a/src/web/app/desktop/tags/home-widgets/photo-stream.tag b/src/web/app/desktop/tags/home-widgets/photo-stream.tag
index 189a803fc3..6ce0fd33f7 100644
--- a/src/web/app/desktop/tags/home-widgets/photo-stream.tag
+++ b/src/web/app/desktop/tags/home-widgets/photo-stream.tag
@@ -9,7 +9,7 @@
 		</virtual>
 	</div>
 	<p class="empty" if={ !initializing && images.length == 0 }>写真はありません</p>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 			background #fff
diff --git a/src/web/app/desktop/tags/home-widgets/profile.tag b/src/web/app/desktop/tags/home-widgets/profile.tag
index b7b274be2c..9f11072b7a 100644
--- a/src/web/app/desktop/tags/home-widgets/profile.tag
+++ b/src/web/app/desktop/tags/home-widgets/profile.tag
@@ -1,7 +1,7 @@
 <mk-profile-home-widget>
 	<div class="banner" style={ I.banner_url ? 'background-image: url(' + I.banner_url + '?thumbnail&size=256)' : '' } onclick={ setBanner }></div><img class="avatar" src={ I.avatar_url + '?thumbnail&size=64' } onclick={ setAvatar } alt="avatar" data-user-preview={ I.id }/><a class="name" href={ CONFIG.url + '/' + I.username }>{ I.name }</a>
 	<p class="username">@{ I.username }</p>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 			overflow hidden
diff --git a/src/web/app/desktop/tags/home-widgets/rss-reader.tag b/src/web/app/desktop/tags/home-widgets/rss-reader.tag
index eeda476d99..0efd5cbecc 100644
--- a/src/web/app/desktop/tags/home-widgets/rss-reader.tag
+++ b/src/web/app/desktop/tags/home-widgets/rss-reader.tag
@@ -7,7 +7,7 @@
 	<p class="initializing" if={ initializing }><i class="fa fa-spinner fa-pulse fa-fw"></i>読み込んでいます
 		<mk-ellipsis></mk-ellipsis>
 	</p>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 			background #fff
diff --git a/src/web/app/desktop/tags/home-widgets/timeline.tag b/src/web/app/desktop/tags/home-widgets/timeline.tag
index c46a6bc134..9f5bb3890e 100644
--- a/src/web/app/desktop/tags/home-widgets/timeline.tag
+++ b/src/web/app/desktop/tags/home-widgets/timeline.tag
@@ -5,7 +5,7 @@
 	</div>
 	<p class="empty" if={ isEmpty }><i class="fa fa-comments-o"></i>自分の投稿や、自分がフォローしているユーザーの投稿が表示されます。</p>
 	<mk-timeline ref="timeline"><yield to="footer"><i class="fa fa-moon-o" if={ !parent.moreLoading }></i><i class="fa fa-spinner fa-pulse fa-fw" if={ parent.moreLoading }></i></yield></mk-timeline>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 			background #fff
diff --git a/src/web/app/desktop/tags/home-widgets/tips.tag b/src/web/app/desktop/tags/home-widgets/tips.tag
index d85da0d295..2552c266d7 100644
--- a/src/web/app/desktop/tags/home-widgets/tips.tag
+++ b/src/web/app/desktop/tags/home-widgets/tips.tag
@@ -1,6 +1,6 @@
 <mk-tips-home-widget>
 	<p ref="tip"><i class="fa fa-lightbulb-o"></i><span ref="text"></span></p>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 			background transparent !important
diff --git a/src/web/app/desktop/tags/home-widgets/user-recommendation.tag b/src/web/app/desktop/tags/home-widgets/user-recommendation.tag
index b0c6866886..8e94090dc9 100644
--- a/src/web/app/desktop/tags/home-widgets/user-recommendation.tag
+++ b/src/web/app/desktop/tags/home-widgets/user-recommendation.tag
@@ -11,7 +11,7 @@
 	<p class="loading" if={ loading }><i class="fa fa-spinner fa-pulse fa-fw"></i>読み込んでいます
 		<mk-ellipsis></mk-ellipsis>
 	</p>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 			background #fff
diff --git a/src/web/app/desktop/tags/home.tag b/src/web/app/desktop/tags/home.tag
index b969aec444..b2ba4e2806 100644
--- a/src/web/app/desktop/tags/home.tag
+++ b/src/web/app/desktop/tags/home.tag
@@ -7,7 +7,7 @@
 		</main>
 		<div class="right" ref="right"></div>
 	</div>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 
diff --git a/src/web/app/desktop/tags/image-dialog.tag b/src/web/app/desktop/tags/image-dialog.tag
index aa7d91e77f..d7660bb953 100644
--- a/src/web/app/desktop/tags/image-dialog.tag
+++ b/src/web/app/desktop/tags/image-dialog.tag
@@ -1,6 +1,6 @@
 <mk-image-dialog>
 	<div class="bg" ref="bg" onclick={ close }></div><img ref="img" src={ image.url } alt={ image.name } title={ image.name } onclick={ close }/>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 			position fixed
diff --git a/src/web/app/desktop/tags/images-viewer.tag b/src/web/app/desktop/tags/images-viewer.tag
index b91486a911..017395e7b4 100644
--- a/src/web/app/desktop/tags/images-viewer.tag
+++ b/src/web/app/desktop/tags/images-viewer.tag
@@ -1,6 +1,6 @@
 <mk-images-viewer>
 	<div class="image" ref="view" onmousemove={ mousemove } style={ 'background-image: url(' + image.url + '?thumbnail' } onclick={ click }><img src={ image.url + '?thumbnail&size=512' } alt={ image.name } title={ image.name }/></div>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 			padding 8px
diff --git a/src/web/app/desktop/tags/input-dialog.tag b/src/web/app/desktop/tags/input-dialog.tag
index 86f1619810..d9f4ae3f41 100644
--- a/src/web/app/desktop/tags/input-dialog.tag
+++ b/src/web/app/desktop/tags/input-dialog.tag
@@ -9,7 +9,7 @@
 			<button class="ok" disabled={ !parent.allowEmpty && refs.text.value.length == 0 } onclick={ parent.ok }>決定</button>
 		</div></yield>
 	</mk-window>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 
diff --git a/src/web/app/desktop/tags/list-user.tag b/src/web/app/desktop/tags/list-user.tag
index e8f697117c..03dda494aa 100644
--- a/src/web/app/desktop/tags/list-user.tag
+++ b/src/web/app/desktop/tags/list-user.tag
@@ -9,7 +9,7 @@
 		</div>
 	</div>
 	<mk-follow-button user={ user }></mk-follow-button>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 			margin 0
diff --git a/src/web/app/desktop/tags/messaging/room-window.tag b/src/web/app/desktop/tags/messaging/room-window.tag
index e735f7c78d..a7eddb591e 100644
--- a/src/web/app/desktop/tags/messaging/room-window.tag
+++ b/src/web/app/desktop/tags/messaging/room-window.tag
@@ -5,7 +5,7 @@
 			<mk-messaging-room user={ parent.user }></mk-messaging-room>
 		</yield>
 	</mk-window>
-	<style type="stylus">
+	<style>
 		:scope
 			> mk-window
 				[data-yield='header']
diff --git a/src/web/app/desktop/tags/messaging/window.tag b/src/web/app/desktop/tags/messaging/window.tag
index b4cf123b0a..f81fd6681b 100644
--- a/src/web/app/desktop/tags/messaging/window.tag
+++ b/src/web/app/desktop/tags/messaging/window.tag
@@ -5,7 +5,7 @@
 			<mk-messaging ref="index"></mk-messaging>
 		</yield>
 	</mk-window>
-	<style type="stylus">
+	<style>
 		:scope
 			> mk-window
 				[data-yield='header']
diff --git a/src/web/app/desktop/tags/notifications.tag b/src/web/app/desktop/tags/notifications.tag
index 3c5f3d89e2..58851786b6 100644
--- a/src/web/app/desktop/tags/notifications.tag
+++ b/src/web/app/desktop/tags/notifications.tag
@@ -53,7 +53,7 @@
 	<p class="loading" if={ loading }><i class="fa fa-spinner fa-pulse fa-fw"></i>読み込んでいます
 		<mk-ellipsis></mk-ellipsis>
 	</p>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 
diff --git a/src/web/app/desktop/tags/pages/entrance.tag b/src/web/app/desktop/tags/pages/entrance.tag
index f31e981c20..57d11217cc 100644
--- a/src/web/app/desktop/tags/pages/entrance.tag
+++ b/src/web/app/desktop/tags/pages/entrance.tag
@@ -19,7 +19,7 @@
 		}
 
 	</style>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 			height 100%
diff --git a/src/web/app/desktop/tags/pages/entrance/signin.tag b/src/web/app/desktop/tags/pages/entrance/signin.tag
index 45b5808000..3a0262fd9e 100644
--- a/src/web/app/desktop/tags/pages/entrance/signin.tag
+++ b/src/web/app/desktop/tags/pages/entrance/signin.tag
@@ -7,7 +7,7 @@
 	</div>
 	<div class="divider"><span>or</span></div>
 	<button class="signup" onclick={ parent.signup }>新規登録</button><a class="introduction" onclick={ introduction }>Misskeyについて</a>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 			width 290px
diff --git a/src/web/app/desktop/tags/pages/entrance/signup.tag b/src/web/app/desktop/tags/pages/entrance/signup.tag
index 7be12005c4..1a777fe965 100644
--- a/src/web/app/desktop/tags/pages/entrance/signup.tag
+++ b/src/web/app/desktop/tags/pages/entrance/signup.tag
@@ -1,7 +1,7 @@
 <mk-entrance-signup>
 	<mk-signup></mk-signup>
 	<button class="cancel" type="button" onclick={ parent.signin } title="キャンセル"><i class="fa fa-times"></i></button>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 			width 368px
diff --git a/src/web/app/desktop/tags/pages/home.tag b/src/web/app/desktop/tags/pages/home.tag
index bc66a2830c..51e5767704 100644
--- a/src/web/app/desktop/tags/pages/home.tag
+++ b/src/web/app/desktop/tags/pages/home.tag
@@ -2,7 +2,7 @@
 	<mk-ui ref="ui" page={ page }>
 		<mk-home ref="home" mode={ parent.opts.mode }></mk-home>
 	</mk-ui>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 
diff --git a/src/web/app/desktop/tags/pages/not-found.tag b/src/web/app/desktop/tags/pages/not-found.tag
index e3db8c0f70..a7cbad0b82 100644
--- a/src/web/app/desktop/tags/pages/not-found.tag
+++ b/src/web/app/desktop/tags/pages/not-found.tag
@@ -5,7 +5,7 @@
 			<div class="mask"></div>
 		</main>
 	</mk-ui>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 
diff --git a/src/web/app/desktop/tags/pages/post.tag b/src/web/app/desktop/tags/pages/post.tag
index 85bb3b3bf5..fddc21deab 100644
--- a/src/web/app/desktop/tags/pages/post.tag
+++ b/src/web/app/desktop/tags/pages/post.tag
@@ -4,7 +4,7 @@
 			<mk-post-detail ref="detail" post={ parent.post }></mk-post-detail>
 		</main>
 	</mk-ui>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 
diff --git a/src/web/app/desktop/tags/pages/search.tag b/src/web/app/desktop/tags/pages/search.tag
index e6e0c02d39..0c5a23c795 100644
--- a/src/web/app/desktop/tags/pages/search.tag
+++ b/src/web/app/desktop/tags/pages/search.tag
@@ -2,7 +2,7 @@
 	<mk-ui ref="ui">
 		<mk-search ref="search" query={ parent.opts.query }></mk-search>
 	</mk-ui>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 
diff --git a/src/web/app/desktop/tags/pages/user.tag b/src/web/app/desktop/tags/pages/user.tag
index ad092bac73..be0501e045 100644
--- a/src/web/app/desktop/tags/pages/user.tag
+++ b/src/web/app/desktop/tags/pages/user.tag
@@ -2,7 +2,7 @@
 	<mk-ui ref="ui">
 		<mk-user ref="user" user={ parent.user } page={ parent.opts.page }></mk-user>
 	</mk-ui>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 
diff --git a/src/web/app/desktop/tags/post-detail-sub.tag b/src/web/app/desktop/tags/post-detail-sub.tag
index 48a67e773c..c4a651e371 100644
--- a/src/web/app/desktop/tags/post-detail-sub.tag
+++ b/src/web/app/desktop/tags/post-detail-sub.tag
@@ -12,7 +12,7 @@
 			</div>
 		</div>
 	</div>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 			margin 0
diff --git a/src/web/app/desktop/tags/post-detail.tag b/src/web/app/desktop/tags/post-detail.tag
index e29107d5bf..3c99babaaa 100644
--- a/src/web/app/desktop/tags/post-detail.tag
+++ b/src/web/app/desktop/tags/post-detail.tag
@@ -88,7 +88,7 @@
 			</virtual>
 		</div>
 	</div>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 			margin 0
diff --git a/src/web/app/desktop/tags/post-form-window.tag b/src/web/app/desktop/tags/post-form-window.tag
index 81559cedd0..fc1a254e20 100644
--- a/src/web/app/desktop/tags/post-form-window.tag
+++ b/src/web/app/desktop/tags/post-form-window.tag
@@ -9,7 +9,7 @@
 			<mk-post-form ref="form" reply={ parent.opts.reply }></mk-post-form>
 		</div></yield>
 	</mk-window>
-	<style type="stylus">
+	<style>
 		:scope
 			> mk-window
 
diff --git a/src/web/app/desktop/tags/post-form.tag b/src/web/app/desktop/tags/post-form.tag
index e28108e873..a0b6ea7d07 100644
--- a/src/web/app/desktop/tags/post-form.tag
+++ b/src/web/app/desktop/tags/post-form.tag
@@ -23,7 +23,7 @@
 	</button>
 	<input ref="file" type="file" accept="image/*" multiple="multiple" tabindex="-1" onchange={ changeFile }/>
 	<div class="dropzone" if={ draghover }></div>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 			padding 16px
diff --git a/src/web/app/desktop/tags/post-preview.tag b/src/web/app/desktop/tags/post-preview.tag
index f36a2a1868..c0514c323e 100644
--- a/src/web/app/desktop/tags/post-preview.tag
+++ b/src/web/app/desktop/tags/post-preview.tag
@@ -8,7 +8,7 @@
 			</div>
 		</div>
 	</article>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 			margin 0
diff --git a/src/web/app/desktop/tags/post-status-graph.tag b/src/web/app/desktop/tags/post-status-graph.tag
index 0c38f1fddc..f7c6ea7b11 100644
--- a/src/web/app/desktop/tags/post-status-graph.tag
+++ b/src/web/app/desktop/tags/post-status-graph.tag
@@ -1,6 +1,6 @@
 <mk-post-status-graph>
 	<canvas ref="canv" width={ opts.width } height={ opts.height }></canvas>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 
diff --git a/src/web/app/desktop/tags/progress-dialog.tag b/src/web/app/desktop/tags/progress-dialog.tag
index 170e475302..c60746257b 100644
--- a/src/web/app/desktop/tags/progress-dialog.tag
+++ b/src/web/app/desktop/tags/progress-dialog.tag
@@ -12,7 +12,7 @@
 			<div class="progress waiting" if={ parent.value >= parent.max }></div>
 		</div></yield>
 	</mk-window>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 
diff --git a/src/web/app/desktop/tags/repost-form-window.tag b/src/web/app/desktop/tags/repost-form-window.tag
index 80b4c0d698..45a0cdae6d 100644
--- a/src/web/app/desktop/tags/repost-form-window.tag
+++ b/src/web/app/desktop/tags/repost-form-window.tag
@@ -3,7 +3,7 @@
 <yield to="content">
 		<mk-repost-form ref="form" post={ parent.opts.post }></mk-repost-form></yield>
 	</mk-window>
-	<style type="stylus">
+	<style>
 		:scope
 			> mk-window
 				[data-yield='header']
diff --git a/src/web/app/desktop/tags/repost-form.tag b/src/web/app/desktop/tags/repost-form.tag
index 582046e37c..2c07ff4b16 100644
--- a/src/web/app/desktop/tags/repost-form.tag
+++ b/src/web/app/desktop/tags/repost-form.tag
@@ -7,7 +7,7 @@
 		<button class="cancel" onclick={ cancel }>キャンセル</button>
 		<button class="ok" onclick={ ok }>Repost</button>
 	</footer>
-	<style type="stylus">
+	<style>
 		:scope
 
 			> mk-post-preview
diff --git a/src/web/app/desktop/tags/search-posts.tag b/src/web/app/desktop/tags/search-posts.tag
index b9f4bdb33d..2cc9b788ae 100644
--- a/src/web/app/desktop/tags/search-posts.tag
+++ b/src/web/app/desktop/tags/search-posts.tag
@@ -4,7 +4,7 @@
 	</div>
 	<p class="empty" if={ isEmpty }><i class="fa fa-search"></i>「{ query }」に関する投稿は見つかりませんでした。</p>
 	<mk-timeline ref="timeline"><yield to="footer"><i class="fa fa-moon-o" if={ !parent.moreLoading }></i><i class="fa fa-spinner fa-pulse fa-fw" if={ parent.moreLoading }></i></yield></mk-timeline>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 			background #fff
diff --git a/src/web/app/desktop/tags/search.tag b/src/web/app/desktop/tags/search.tag
index 53039ea818..d2561dfdca 100644
--- a/src/web/app/desktop/tags/search.tag
+++ b/src/web/app/desktop/tags/search.tag
@@ -3,7 +3,7 @@
 		<h1>{ query }</h1>
 	</header>
 	<mk-search-posts ref="posts" query={ query }></mk-search-posts>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 			padding-bottom 32px
diff --git a/src/web/app/desktop/tags/select-file-from-drive-window.tag b/src/web/app/desktop/tags/select-file-from-drive-window.tag
index 1e743bcaa7..f9ba9e3cc0 100644
--- a/src/web/app/desktop/tags/select-file-from-drive-window.tag
+++ b/src/web/app/desktop/tags/select-file-from-drive-window.tag
@@ -9,7 +9,7 @@
 			<button class="ok" disabled={ parent.multiple && parent.file.length == 0 } onclick={ parent.ok }>決定</button>
 		</div></yield>
 	</mk-window>
-	<style type="stylus">
+	<style>
 		:scope
 			> mk-window
 				[data-yield='header']
diff --git a/src/web/app/desktop/tags/set-avatar-suggestion.tag b/src/web/app/desktop/tags/set-avatar-suggestion.tag
index 77cba97c33..22a0de0f3a 100644
--- a/src/web/app/desktop/tags/set-avatar-suggestion.tag
+++ b/src/web/app/desktop/tags/set-avatar-suggestion.tag
@@ -2,7 +2,7 @@
 	<p><b>アバターを設定</b>してみませんか？
 		<button onclick={ close }><i class="fa fa-times"></i></button>
 	</p>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 			cursor pointer
diff --git a/src/web/app/desktop/tags/set-banner-suggestion.tag b/src/web/app/desktop/tags/set-banner-suggestion.tag
index 0af7319f68..3ccaab108d 100644
--- a/src/web/app/desktop/tags/set-banner-suggestion.tag
+++ b/src/web/app/desktop/tags/set-banner-suggestion.tag
@@ -2,7 +2,7 @@
 	<p><b>バナーを設定</b>してみませんか？
 		<button onclick={ close }><i class="fa fa-times"></i></button>
 	</p>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 			cursor pointer
diff --git a/src/web/app/desktop/tags/settings-window.tag b/src/web/app/desktop/tags/settings-window.tag
index 579f6ac992..10bb48de76 100644
--- a/src/web/app/desktop/tags/settings-window.tag
+++ b/src/web/app/desktop/tags/settings-window.tag
@@ -3,7 +3,7 @@
 <yield to="content">
 		<mk-settings></mk-settings></yield>
 	</mk-window>
-	<style type="stylus">
+	<style>
 		:scope
 			> mk-window
 				[data-yield='header']
diff --git a/src/web/app/desktop/tags/settings.tag b/src/web/app/desktop/tags/settings.tag
index c4376a953a..1c14514ac0 100644
--- a/src/web/app/desktop/tags/settings.tag
+++ b/src/web/app/desktop/tags/settings.tag
@@ -79,7 +79,7 @@
 			<mk-api-info></mk-api-info>
 		</section>
 	</div>
-	<style type="stylus">
+	<style>
 		:scope
 			display flex
 			width 100%
diff --git a/src/web/app/desktop/tags/stream-indicator.tag b/src/web/app/desktop/tags/stream-indicator.tag
index b5cf6dde9a..d2ab34574d 100644
--- a/src/web/app/desktop/tags/stream-indicator.tag
+++ b/src/web/app/desktop/tags/stream-indicator.tag
@@ -4,7 +4,7 @@
 	<p if={ state == 'reconnecting' }><i class="fa fa-spinner fa-spin"></i><span>切断されました 接続中
 			<mk-ellipsis></mk-ellipsis></span></p>
 	<p if={ state == 'connected' }><i class="fa fa-check"></i><span>接続完了</span></p>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 			pointer-events none
diff --git a/src/web/app/desktop/tags/sub-post-content.tag b/src/web/app/desktop/tags/sub-post-content.tag
index b301f8ef3b..72f570dd6a 100644
--- a/src/web/app/desktop/tags/sub-post-content.tag
+++ b/src/web/app/desktop/tags/sub-post-content.tag
@@ -8,7 +8,7 @@
 		<summary>投票</summary>
 		<mk-poll post={ post }></mk-poll>
 	</details>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 			overflow-wrap break-word
diff --git a/src/web/app/desktop/tags/timeline-post-sub.tag b/src/web/app/desktop/tags/timeline-post-sub.tag
index 54e308d76d..5884927d75 100644
--- a/src/web/app/desktop/tags/timeline-post-sub.tag
+++ b/src/web/app/desktop/tags/timeline-post-sub.tag
@@ -17,7 +17,7 @@
 		@title = @date-stringify @post.created_at
 
 	</script>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 			margin 0
diff --git a/src/web/app/desktop/tags/timeline-post.tag b/src/web/app/desktop/tags/timeline-post.tag
index b4e83ae1f3..1549151fdb 100644
--- a/src/web/app/desktop/tags/timeline-post.tag
+++ b/src/web/app/desktop/tags/timeline-post.tag
@@ -63,7 +63,7 @@
 	<div class="detail" if={ isDetailOpened }>
 		<mk-post-status-graph width="462" height="130" post={ p }></mk-post-status-graph>
 	</div>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 			margin 0
diff --git a/src/web/app/desktop/tags/timeline.tag b/src/web/app/desktop/tags/timeline.tag
index ddb723529a..3439a426e3 100644
--- a/src/web/app/desktop/tags/timeline.tag
+++ b/src/web/app/desktop/tags/timeline.tag
@@ -4,7 +4,7 @@
 		<p class="date" if={ i != posts.length - 1 && post._date != posts[i + 1]._date }><span><i class="fa fa-angle-up"></i>{ post._datetext }</span><span><i class="fa fa-angle-down"></i>{ posts[i + 1]._datetext }</span></p>
 	</virtual>
 	<footer data-yield="footer"><yield from="footer"/></footer>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 
diff --git a/src/web/app/desktop/tags/ui-header-account.tag b/src/web/app/desktop/tags/ui-header-account.tag
index 51c537c088..6071995cec 100644
--- a/src/web/app/desktop/tags/ui-header-account.tag
+++ b/src/web/app/desktop/tags/ui-header-account.tag
@@ -19,7 +19,7 @@
 			</li>
 		</ul>
 	</div>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 			float left
diff --git a/src/web/app/desktop/tags/ui-header-clock.tag b/src/web/app/desktop/tags/ui-header-clock.tag
index da50d8401f..50536705bc 100644
--- a/src/web/app/desktop/tags/ui-header-clock.tag
+++ b/src/web/app/desktop/tags/ui-header-clock.tag
@@ -5,7 +5,7 @@
 	<div class="content">
 		<mk-analog-clock></mk-analog-clock>
 	</div>
-	<style type="stylus">
+	<style>
 		:scope
 			display inline-block
 			overflow visible
diff --git a/src/web/app/desktop/tags/ui-header-nav.tag b/src/web/app/desktop/tags/ui-header-nav.tag
index 204437b162..707a9366e8 100644
--- a/src/web/app/desktop/tags/ui-header-nav.tag
+++ b/src/web/app/desktop/tags/ui-header-nav.tag
@@ -8,7 +8,7 @@
 				<p>お知らせ</p></a></li>
 		<li class="tv"><a href="https://misskey.tk" target="_blank"><i class="fa fa-television"></i>
 				<p>MisskeyTV™</p></a></li>
-		<style type="stylus">
+		<style>
 			:scope
 				display inline-block
 				margin 0
diff --git a/src/web/app/desktop/tags/ui-header-notifications.tag b/src/web/app/desktop/tags/ui-header-notifications.tag
index 649b1801a5..65330a14e3 100644
--- a/src/web/app/desktop/tags/ui-header-notifications.tag
+++ b/src/web/app/desktop/tags/ui-header-notifications.tag
@@ -3,7 +3,7 @@
 	<div class="notifications" if={ isOpen }>
 		<mk-notifications></mk-notifications>
 	</div>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 			float left
diff --git a/src/web/app/desktop/tags/ui-header-post-button.tag b/src/web/app/desktop/tags/ui-header-post-button.tag
index eb0c18bd58..071af0a158 100644
--- a/src/web/app/desktop/tags/ui-header-post-button.tag
+++ b/src/web/app/desktop/tags/ui-header-post-button.tag
@@ -1,6 +1,6 @@
 <mk-ui-header-post-button>
 	<button onclick={ post } title="新規投稿"><i class="fa fa-pencil-square-o"></i></button>
-	<style type="stylus">
+	<style>
 		:scope
 			display inline-block
 			padding 8px
diff --git a/src/web/app/desktop/tags/ui-header-search.tag b/src/web/app/desktop/tags/ui-header-search.tag
index dce0abc3c6..10ebe1da98 100644
--- a/src/web/app/desktop/tags/ui-header-search.tag
+++ b/src/web/app/desktop/tags/ui-header-search.tag
@@ -3,7 +3,7 @@
 		<input ref="q" type="search" placeholder="&#xf002; 検索"/>
 		<div class="result"></div>
 	</form>
-	<style type="stylus">
+	<style>
 		:scope
 
 			> form
diff --git a/src/web/app/desktop/tags/ui-header.tag b/src/web/app/desktop/tags/ui-header.tag
index 9b34f6caf4..41b74181f9 100644
--- a/src/web/app/desktop/tags/ui-header.tag
+++ b/src/web/app/desktop/tags/ui-header.tag
@@ -18,7 +18,7 @@
 			</div>
 		</div>
 	</div>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 			position fixed
diff --git a/src/web/app/desktop/tags/ui-notification.tag b/src/web/app/desktop/tags/ui-notification.tag
index aacf23cf50..5f8583a391 100644
--- a/src/web/app/desktop/tags/ui-notification.tag
+++ b/src/web/app/desktop/tags/ui-notification.tag
@@ -1,6 +1,6 @@
 <mk-ui-notification>
 	<p>{ opts.message }</p>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 			position fixed
diff --git a/src/web/app/desktop/tags/ui.tag b/src/web/app/desktop/tags/ui.tag
index 14416209b4..e40e5c88e2 100644
--- a/src/web/app/desktop/tags/ui.tag
+++ b/src/web/app/desktop/tags/ui.tag
@@ -6,7 +6,7 @@
 		<div class="content"><yield /></div>
 	</div>
 	<mk-stream-indicator></mk-stream-indicator>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 
diff --git a/src/web/app/desktop/tags/user-followers-window.tag b/src/web/app/desktop/tags/user-followers-window.tag
index 80e71f3594..e70682c19a 100644
--- a/src/web/app/desktop/tags/user-followers-window.tag
+++ b/src/web/app/desktop/tags/user-followers-window.tag
@@ -3,7 +3,7 @@
 <yield to="content">
 		<mk-user-followers user={ parent.user }></mk-user-followers></yield>
 	</mk-window>
-	<style type="stylus">
+	<style>
 		:scope
 			> mk-window
 				[data-yield='header']
diff --git a/src/web/app/desktop/tags/user-followers.tag b/src/web/app/desktop/tags/user-followers.tag
index 51e235dadb..14f20b831e 100644
--- a/src/web/app/desktop/tags/user-followers.tag
+++ b/src/web/app/desktop/tags/user-followers.tag
@@ -1,6 +1,6 @@
 <mk-user-followers>
 	<mk-users-list fetch={ fetch } count={ user.followers_count } you-know-count={ user.followers_you_know_count } no-users={ 'フォロワーはいないようです。' }></mk-users-list>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 			height 100%
diff --git a/src/web/app/desktop/tags/user-following-window.tag b/src/web/app/desktop/tags/user-following-window.tag
index 52ba76c3d9..4e25e8a3ca 100644
--- a/src/web/app/desktop/tags/user-following-window.tag
+++ b/src/web/app/desktop/tags/user-following-window.tag
@@ -3,7 +3,7 @@
 <yield to="content">
 		<mk-user-following user={ parent.user }></mk-user-following></yield>
 	</mk-window>
-	<style type="stylus">
+	<style>
 		:scope
 			> mk-window
 				[data-yield='header']
diff --git a/src/web/app/desktop/tags/user-following.tag b/src/web/app/desktop/tags/user-following.tag
index 11b725aa00..e21d391d4d 100644
--- a/src/web/app/desktop/tags/user-following.tag
+++ b/src/web/app/desktop/tags/user-following.tag
@@ -1,6 +1,6 @@
 <mk-user-following>
 	<mk-users-list fetch={ fetch } count={ user.following_count } you-know-count={ user.following_you_know_count } no-users={ 'フォロー中のユーザーはいないようです。' }></mk-users-list>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 			height 100%
diff --git a/src/web/app/desktop/tags/user-friends-graph.tag b/src/web/app/desktop/tags/user-friends-graph.tag
index 13c0bc2c38..ce7343494b 100644
--- a/src/web/app/desktop/tags/user-friends-graph.tag
+++ b/src/web/app/desktop/tags/user-friends-graph.tag
@@ -1,6 +1,6 @@
 <mk-user-friends-graph>
 	<canvas ref="canv" width="750" height="250"></canvas>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 			width 750px
diff --git a/src/web/app/desktop/tags/user-graphs.tag b/src/web/app/desktop/tags/user-graphs.tag
index 869268871d..6d49c990ae 100644
--- a/src/web/app/desktop/tags/user-graphs.tag
+++ b/src/web/app/desktop/tags/user-graphs.tag
@@ -11,7 +11,7 @@
 		<h1>いいね</h1>
 		<mk-user-likes-graph user={ opts.user }></mk-user-likes-graph>
 	</section>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 
diff --git a/src/web/app/desktop/tags/user-header.tag b/src/web/app/desktop/tags/user-header.tag
index d9a5beff22..d49b6498b5 100644
--- a/src/web/app/desktop/tags/user-header.tag
+++ b/src/web/app/desktop/tags/user-header.tag
@@ -8,7 +8,7 @@
 	<footer><a href={ '/' + user.username }>投稿</a><a href={ '/' + user.username + '/media' }>メディア</a><a href={ '/' + user.username + '/graphs' }>グラフ</a>
 		<button onclick={ NotImplementedException }><i class="fa fa-ellipsis-h"></i></button>
 	</footer>
-	<style type="stylus">
+	<style>
 		:scope
 			$footer-height = 58px
 
diff --git a/src/web/app/desktop/tags/user-home.tag b/src/web/app/desktop/tags/user-home.tag
index f3e0598d7e..50fe1cbfad 100644
--- a/src/web/app/desktop/tags/user-home.tag
+++ b/src/web/app/desktop/tags/user-home.tag
@@ -6,7 +6,7 @@
 	<main>
 		<mk-user-timeline ref="tl" user={ user }></mk-user-timeline>
 	</main>
-	<style type="stylus">
+	<style>
 		:scope
 			display flex
 			justify-content center
diff --git a/src/web/app/desktop/tags/user-likes-graph.tag b/src/web/app/desktop/tags/user-likes-graph.tag
index 1c2759a3a1..cec80164a5 100644
--- a/src/web/app/desktop/tags/user-likes-graph.tag
+++ b/src/web/app/desktop/tags/user-likes-graph.tag
@@ -1,6 +1,6 @@
 <mk-user-likes-graph>
 	<canvas ref="canv" width="750" height="250"></canvas>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 			width 750px
diff --git a/src/web/app/desktop/tags/user-photos.tag b/src/web/app/desktop/tags/user-photos.tag
index 2277fcbcbf..3d24422dea 100644
--- a/src/web/app/desktop/tags/user-photos.tag
+++ b/src/web/app/desktop/tags/user-photos.tag
@@ -9,7 +9,7 @@
 		</virtual>
 	</div>
 	<p class="empty" if={ !initializing && images.length == 0 }>写真はありません</p>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 			background #fff
diff --git a/src/web/app/desktop/tags/user-posts-graph.tag b/src/web/app/desktop/tags/user-posts-graph.tag
index 61070c3818..dacfd61321 100644
--- a/src/web/app/desktop/tags/user-posts-graph.tag
+++ b/src/web/app/desktop/tags/user-posts-graph.tag
@@ -1,6 +1,6 @@
 <mk-user-posts-graph>
 	<canvas ref="canv" width="750" height="250"></canvas>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 			width 750px
diff --git a/src/web/app/desktop/tags/user-preview.tag b/src/web/app/desktop/tags/user-preview.tag
index 6ff182cc05..7d140c0957 100644
--- a/src/web/app/desktop/tags/user-preview.tag
+++ b/src/web/app/desktop/tags/user-preview.tag
@@ -19,7 +19,7 @@
 		</div>
 		<mk-follow-button if={ SIGNIN && user.id != I.id } user={ userPromise }></mk-follow-button>
 	</virtual>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 			position absolute
diff --git a/src/web/app/desktop/tags/user-profile.tag b/src/web/app/desktop/tags/user-profile.tag
index 710da14028..d8984e971d 100644
--- a/src/web/app/desktop/tags/user-profile.tag
+++ b/src/web/app/desktop/tags/user-profile.tag
@@ -14,7 +14,7 @@
 		<p class="following"><i class="fa fa-angle-right"></i><a onclick={ showFollowing }>{ user.following_count }</a>人を<b>フォロー</b></p>
 		<p class="followers"><i class="fa fa-angle-right"></i><a onclick={ showFollowers }>{ user.followers_count }</a>人の<b>フォロワー</b></p>
 	</div>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 			background #fff
diff --git a/src/web/app/desktop/tags/user-timeline.tag b/src/web/app/desktop/tags/user-timeline.tag
index 1f8d64e5ae..b0ed542a43 100644
--- a/src/web/app/desktop/tags/user-timeline.tag
+++ b/src/web/app/desktop/tags/user-timeline.tag
@@ -5,7 +5,7 @@
 	</div>
 	<p class="empty" if={ isEmpty }><i class="fa fa-comments-o"></i>このユーザーはまだ何も投稿していないようです。</p>
 	<mk-timeline ref="timeline"><yield to="footer"><i class="fa fa-moon-o" if={ !parent.moreLoading }></i><i class="fa fa-spinner fa-pulse fa-fw" if={ parent.moreLoading }></i></yield></mk-timeline>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 			background #fff
diff --git a/src/web/app/desktop/tags/user.tag b/src/web/app/desktop/tags/user.tag
index 915bd857b5..24f2e958a3 100644
--- a/src/web/app/desktop/tags/user.tag
+++ b/src/web/app/desktop/tags/user.tag
@@ -8,7 +8,7 @@
 			<mk-user-graphs if={ page == 'graphs' } user={ user }></mk-user-graphs>
 		</div>
 	</div>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 			background #fff
diff --git a/src/web/app/desktop/tags/users-list.tag b/src/web/app/desktop/tags/users-list.tag
index f07f6cb6c3..51edd2ee30 100644
--- a/src/web/app/desktop/tags/users-list.tag
+++ b/src/web/app/desktop/tags/users-list.tag
@@ -15,7 +15,7 @@
 	<p class="fetching" if={ fetching }><i class="fa fa-spinner fa-pulse fa-fw"></i>読み込んでいます
 		<mk-ellipsis></mk-ellipsis>
 	</p>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 			height 100%
diff --git a/src/web/app/desktop/tags/window.tag b/src/web/app/desktop/tags/window.tag
index d419e9917a..323c294c2c 100644
--- a/src/web/app/desktop/tags/window.tag
+++ b/src/web/app/desktop/tags/window.tag
@@ -17,7 +17,7 @@
 		<div class="handle bottom-right" if={ canResize } onmousedown={ onBottomRightHandleMousedown }></div>
 		<div class="handle bottom-left" if={ canResize } onmousedown={ onBottomLeftHandleMousedown }></div>
 	</div>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 
diff --git a/src/web/app/dev/tags/new-app-form.tag b/src/web/app/dev/tags/new-app-form.tag
index f34664bda6..86e694e94e 100644
--- a/src/web/app/dev/tags/new-app-form.tag
+++ b/src/web/app/dev/tags/new-app-form.tag
@@ -75,7 +75,7 @@
 		</section>
 		<button onclick={ onsubmit }>アプリ作成</button>
 	</form>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 			overflow hidden
diff --git a/src/web/app/dev/tags/pages/app.tag b/src/web/app/dev/tags/pages/app.tag
index f11f8d7b0c..7eaf9decf6 100644
--- a/src/web/app/dev/tags/pages/app.tag
+++ b/src/web/app/dev/tags/pages/app.tag
@@ -9,7 +9,7 @@
 			<input value={ app.secret } readonly="readonly"/>
 		</div>
 	</main>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 
diff --git a/src/web/app/dev/tags/pages/apps.tag b/src/web/app/dev/tags/pages/apps.tag
index f258c937ff..03806c6da5 100644
--- a/src/web/app/dev/tags/pages/apps.tag
+++ b/src/web/app/dev/tags/pages/apps.tag
@@ -10,7 +10,7 @@
 			</ul>
 		</virtual>
 	</div>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 
diff --git a/src/web/app/dev/tags/pages/index.tag b/src/web/app/dev/tags/pages/index.tag
index 6be52e61ba..ff2494212c 100644
--- a/src/web/app/dev/tags/pages/index.tag
+++ b/src/web/app/dev/tags/pages/index.tag
@@ -1,5 +1,5 @@
 <mk-index><a href="/apps">アプリ</a>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 
diff --git a/src/web/app/dev/tags/pages/new-app.tag b/src/web/app/dev/tags/pages/new-app.tag
index f255b84328..f9369861b9 100644
--- a/src/web/app/dev/tags/pages/new-app.tag
+++ b/src/web/app/dev/tags/pages/new-app.tag
@@ -6,7 +6,7 @@
 		</header>
 		<mk-new-app-form></mk-new-app-form>
 	</main>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 			padding 64px 0
diff --git a/src/web/app/mobile/tags/drive-selector.tag b/src/web/app/mobile/tags/drive-selector.tag
index b3e035baad..7039ac26a3 100644
--- a/src/web/app/mobile/tags/drive-selector.tag
+++ b/src/web/app/mobile/tags/drive-selector.tag
@@ -7,7 +7,7 @@
 		</header>
 		<mk-drive ref="browser" select={ true } multiple={ opts.multiple }></mk-drive>
 	</div>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 
diff --git a/src/web/app/mobile/tags/drive.tag b/src/web/app/mobile/tags/drive.tag
index 78574e95b1..06ed54e762 100644
--- a/src/web/app/mobile/tags/drive.tag
+++ b/src/web/app/mobile/tags/drive.tag
@@ -39,7 +39,7 @@
 		</div>
 	</div>
 	<mk-drive-file-viewer if={ file != null } file={ file }></mk-drive-file-viewer>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 			background #fff
diff --git a/src/web/app/mobile/tags/drive/file-viewer.tag b/src/web/app/mobile/tags/drive/file-viewer.tag
index 0ad2cdcd1e..a0d4c44453 100644
--- a/src/web/app/mobile/tags/drive/file-viewer.tag
+++ b/src/web/app/mobile/tags/drive/file-viewer.tag
@@ -44,7 +44,7 @@
 			<code>{ file.hash }</code>
 		</div>
 	</div>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 
diff --git a/src/web/app/mobile/tags/drive/file.tag b/src/web/app/mobile/tags/drive/file.tag
index 7a4d444693..95f91e5ebc 100644
--- a/src/web/app/mobile/tags/drive/file.tag
+++ b/src/web/app/mobile/tags/drive/file.tag
@@ -22,7 +22,7 @@
 			</footer>
 		</div>
 	</div>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 
diff --git a/src/web/app/mobile/tags/drive/folder.tag b/src/web/app/mobile/tags/drive/folder.tag
index 14635a529a..82bef02625 100644
--- a/src/web/app/mobile/tags/drive/folder.tag
+++ b/src/web/app/mobile/tags/drive/folder.tag
@@ -2,7 +2,7 @@
 	<div class="container">
 		<p class="name"><i class="fa fa-folder"></i>{ folder.name }</p><i class="fa fa-angle-right"></i>
 	</div>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 			color #777
diff --git a/src/web/app/mobile/tags/follow-button.tag b/src/web/app/mobile/tags/follow-button.tag
index c7535dd403..ac7058aebd 100644
--- a/src/web/app/mobile/tags/follow-button.tag
+++ b/src/web/app/mobile/tags/follow-button.tag
@@ -1,7 +1,7 @@
 <mk-follow-button>
 	<button class={ wait: wait, follow: !user.is_following, unfollow: user.is_following } if={ !init } onclick={ onclick } disabled={ wait }><i class="fa fa-minus" if={ !wait && user.is_following }></i><i class="fa fa-plus" if={ !wait && !user.is_following }></i><i class="fa fa-spinner fa-pulse fa-fw" if={ wait }></i>{ user.is_following ? 'フォロー解除' : 'フォロー' }</button>
 	<div class="init" if={ init }><i class="fa fa-spinner fa-pulse fa-fw"></i></div>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 
diff --git a/src/web/app/mobile/tags/home-timeline.tag b/src/web/app/mobile/tags/home-timeline.tag
index 1f4f30b473..2aa9127144 100644
--- a/src/web/app/mobile/tags/home-timeline.tag
+++ b/src/web/app/mobile/tags/home-timeline.tag
@@ -1,6 +1,6 @@
 <mk-home-timeline>
 	<mk-timeline ref="timeline" init={ init } more={ more } empty={ '表示する投稿がありません。誰かしらをフォローするなどしましょう。' }></mk-timeline>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 
diff --git a/src/web/app/mobile/tags/home.tag b/src/web/app/mobile/tags/home.tag
index e34d678126..78141ca9a7 100644
--- a/src/web/app/mobile/tags/home.tag
+++ b/src/web/app/mobile/tags/home.tag
@@ -1,6 +1,6 @@
 <mk-home>
 	<mk-home-timeline ref="tl"></mk-home-timeline>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 
diff --git a/src/web/app/mobile/tags/images-viewer.tag b/src/web/app/mobile/tags/images-viewer.tag
index 98ec368f2a..05dc744cdb 100644
--- a/src/web/app/mobile/tags/images-viewer.tag
+++ b/src/web/app/mobile/tags/images-viewer.tag
@@ -1,6 +1,6 @@
 <mk-images-viewer>
 	<div class="image" ref="view" onclick={ click }><img ref="img" src={ image.url + '?thumbnail&size=512' } alt={ image.name } title={ image.name }/></div>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 			padding 8px
diff --git a/src/web/app/mobile/tags/notification-preview.tag b/src/web/app/mobile/tags/notification-preview.tag
index 131866d1d7..c146c6f0f7 100644
--- a/src/web/app/mobile/tags/notification-preview.tag
+++ b/src/web/app/mobile/tags/notification-preview.tag
@@ -40,7 +40,7 @@
 			<p class="post-ref">{ getPostSummary(notification.post) }</p>
 		</div>
 	</virtual>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 			margin 0
diff --git a/src/web/app/mobile/tags/notification.tag b/src/web/app/mobile/tags/notification.tag
index b4f2df2deb..b619c66980 100644
--- a/src/web/app/mobile/tags/notification.tag
+++ b/src/web/app/mobile/tags/notification.tag
@@ -83,7 +83,7 @@
 			<a class="post-ref" href={ CONFIG.url + '/' + notification.post.user.username + '/' + notification.post.id }>{ getPostSummary(notification.post) }</a>
 		</div>
 	</virtual>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 			margin 0
diff --git a/src/web/app/mobile/tags/notifications.tag b/src/web/app/mobile/tags/notifications.tag
index 5461c15f33..8207495795 100644
--- a/src/web/app/mobile/tags/notifications.tag
+++ b/src/web/app/mobile/tags/notifications.tag
@@ -9,7 +9,7 @@
 	<p class="loading" if={ loading }><i class="fa fa-spinner fa-pulse fa-fw"></i>読み込んでいます
 		<mk-ellipsis></mk-ellipsis>
 	</p>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 			background #fff
diff --git a/src/web/app/mobile/tags/notify.tag b/src/web/app/mobile/tags/notify.tag
index 63215a927a..aa45ce0cff 100644
--- a/src/web/app/mobile/tags/notify.tag
+++ b/src/web/app/mobile/tags/notify.tag
@@ -1,6 +1,6 @@
 <mk-notify>
 	<mk-notification-preview notification={ opts.notification }></mk-notification-preview>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 			position fixed
diff --git a/src/web/app/mobile/tags/page/drive.tag b/src/web/app/mobile/tags/page/drive.tag
index 26eb400a03..ef83e4d5ba 100644
--- a/src/web/app/mobile/tags/page/drive.tag
+++ b/src/web/app/mobile/tags/page/drive.tag
@@ -2,7 +2,7 @@
 	<mk-ui ref="ui">
 		<mk-drive ref="browser" folder={ parent.opts.folder } file={ parent.opts.file }></mk-drive>
 	</mk-ui>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 
diff --git a/src/web/app/mobile/tags/page/entrance.tag b/src/web/app/mobile/tags/page/entrance.tag
index 3f2bb6f8f7..424c58da5d 100644
--- a/src/web/app/mobile/tags/page/entrance.tag
+++ b/src/web/app/mobile/tags/page/entrance.tag
@@ -10,7 +10,7 @@
 	<footer>
 		<mk-copyright></mk-copyright>
 	</footer>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 			height 100%
diff --git a/src/web/app/mobile/tags/page/entrance/signin.tag b/src/web/app/mobile/tags/page/entrance/signin.tag
index 2f28fc231e..c7bee0716f 100644
--- a/src/web/app/mobile/tags/page/entrance/signin.tag
+++ b/src/web/app/mobile/tags/page/entrance/signin.tag
@@ -2,7 +2,7 @@
 	<mk-signin></mk-signin>
 	<div class="divider"><span>or</span></div>
 	<button class="signup" onclick={ parent.signup }>新規登録</button><a class="introduction" onclick={ parent.introduction }>Misskeyについて</a>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 			margin 0 auto
diff --git a/src/web/app/mobile/tags/page/entrance/signup.tag b/src/web/app/mobile/tags/page/entrance/signup.tag
index 4fb1667a0b..5209543886 100644
--- a/src/web/app/mobile/tags/page/entrance/signup.tag
+++ b/src/web/app/mobile/tags/page/entrance/signup.tag
@@ -1,7 +1,7 @@
 <mk-entrance-signup>
 	<mk-signup></mk-signup>
 	<button class="cancel" type="button" onclick={ parent.signin } title="キャンセル"><i class="fa fa-times"></i></button>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 			margin 0 auto
diff --git a/src/web/app/mobile/tags/page/home.tag b/src/web/app/mobile/tags/page/home.tag
index eb53be6601..947e119b09 100644
--- a/src/web/app/mobile/tags/page/home.tag
+++ b/src/web/app/mobile/tags/page/home.tag
@@ -2,7 +2,7 @@
 	<mk-ui ref="ui">
 		<mk-home ref="home"></mk-home>
 	</mk-ui>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 
diff --git a/src/web/app/mobile/tags/page/messaging-room.tag b/src/web/app/mobile/tags/page/messaging-room.tag
index 3373085bd3..2216d0c460 100644
--- a/src/web/app/mobile/tags/page/messaging-room.tag
+++ b/src/web/app/mobile/tags/page/messaging-room.tag
@@ -2,7 +2,7 @@
 	<mk-ui ref="ui">
 		<mk-messaging-room if={ !parent.fetching } user={ parent.user }></mk-messaging-room>
 	</mk-ui>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 	</style>
diff --git a/src/web/app/mobile/tags/page/messaging.tag b/src/web/app/mobile/tags/page/messaging.tag
index e8bd859503..dd277f46e9 100644
--- a/src/web/app/mobile/tags/page/messaging.tag
+++ b/src/web/app/mobile/tags/page/messaging.tag
@@ -2,7 +2,7 @@
 	<mk-ui ref="ui">
 		<mk-messaging ref="index"></mk-messaging>
 	</mk-ui>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 	</style>
diff --git a/src/web/app/mobile/tags/page/new-post.tag b/src/web/app/mobile/tags/page/new-post.tag
index 1b6f73875c..e323f0d955 100644
--- a/src/web/app/mobile/tags/page/new-post.tag
+++ b/src/web/app/mobile/tags/page/new-post.tag
@@ -1,6 +1,6 @@
 <mk-new-post-page>
 	<mk-post-form ref="form"></mk-post-form>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 
diff --git a/src/web/app/mobile/tags/page/notifications.tag b/src/web/app/mobile/tags/page/notifications.tag
index 666a076cb2..18b6cc2834 100644
--- a/src/web/app/mobile/tags/page/notifications.tag
+++ b/src/web/app/mobile/tags/page/notifications.tag
@@ -2,7 +2,7 @@
 	<mk-ui ref="ui">
 		<mk-notifications ref="notifications"></mk-notifications>
 	</mk-ui>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 
diff --git a/src/web/app/mobile/tags/page/post.tag b/src/web/app/mobile/tags/page/post.tag
index 19d4123dfd..a8ffb1c3c7 100644
--- a/src/web/app/mobile/tags/page/post.tag
+++ b/src/web/app/mobile/tags/page/post.tag
@@ -4,7 +4,7 @@
 			<mk-post-detail ref="post" post={ parent.post }></mk-post-detail>
 		</main>
 	</mk-ui>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 
diff --git a/src/web/app/mobile/tags/page/search.tag b/src/web/app/mobile/tags/page/search.tag
index 020749d8e2..31de7d9625 100644
--- a/src/web/app/mobile/tags/page/search.tag
+++ b/src/web/app/mobile/tags/page/search.tag
@@ -2,7 +2,7 @@
 	<mk-ui ref="ui">
 		<mk-search ref="search" query={ parent.opts.query }></mk-search>
 	</mk-ui>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 
diff --git a/src/web/app/mobile/tags/page/settings.tag b/src/web/app/mobile/tags/page/settings.tag
index 18f03b3034..99e7569f5b 100644
--- a/src/web/app/mobile/tags/page/settings.tag
+++ b/src/web/app/mobile/tags/page/settings.tag
@@ -8,7 +8,7 @@
 			<li><a href="./settings/api"><i class="fa fa-key"></i>API</a></li>
 		</ul>
 	</mk-ui>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 	</style>
diff --git a/src/web/app/mobile/tags/page/settings/api.tag b/src/web/app/mobile/tags/page/settings/api.tag
index 18716a7e04..69f4a47db0 100644
--- a/src/web/app/mobile/tags/page/settings/api.tag
+++ b/src/web/app/mobile/tags/page/settings/api.tag
@@ -2,7 +2,7 @@
 	<mk-ui ref="ui">
 		<mk-api-info></mk-api-info>
 	</mk-ui>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 	</style>
diff --git a/src/web/app/mobile/tags/page/settings/authorized-apps.tag b/src/web/app/mobile/tags/page/settings/authorized-apps.tag
index a1385c4937..abb8ba0fc0 100644
--- a/src/web/app/mobile/tags/page/settings/authorized-apps.tag
+++ b/src/web/app/mobile/tags/page/settings/authorized-apps.tag
@@ -2,7 +2,7 @@
 	<mk-ui ref="ui">
 		<mk-authorized-apps></mk-authorized-apps>
 	</mk-ui>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 	</style>
diff --git a/src/web/app/mobile/tags/page/settings/signin.tag b/src/web/app/mobile/tags/page/settings/signin.tag
index 61dca3be61..5886b53f9a 100644
--- a/src/web/app/mobile/tags/page/settings/signin.tag
+++ b/src/web/app/mobile/tags/page/settings/signin.tag
@@ -2,7 +2,7 @@
 	<mk-ui ref="ui">
 		<mk-signin-history></mk-signin-history>
 	</mk-ui>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 	</style>
diff --git a/src/web/app/mobile/tags/page/settings/twitter.tag b/src/web/app/mobile/tags/page/settings/twitter.tag
index dda28250d2..f6cde2e5a5 100644
--- a/src/web/app/mobile/tags/page/settings/twitter.tag
+++ b/src/web/app/mobile/tags/page/settings/twitter.tag
@@ -2,7 +2,7 @@
 	<mk-ui ref="ui">
 		<mk-twitter-setting></mk-twitter-setting>
 	</mk-ui>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 	</style>
diff --git a/src/web/app/mobile/tags/page/user-followers.tag b/src/web/app/mobile/tags/page/user-followers.tag
index 588554321e..5856e60e02 100644
--- a/src/web/app/mobile/tags/page/user-followers.tag
+++ b/src/web/app/mobile/tags/page/user-followers.tag
@@ -2,7 +2,7 @@
 	<mk-ui ref="ui">
 		<mk-user-followers ref="list" if={ !parent.fetching } user={ parent.user }></mk-user-followers>
 	</mk-ui>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 
diff --git a/src/web/app/mobile/tags/page/user-following.tag b/src/web/app/mobile/tags/page/user-following.tag
index 8902301cfa..14b006d3f9 100644
--- a/src/web/app/mobile/tags/page/user-following.tag
+++ b/src/web/app/mobile/tags/page/user-following.tag
@@ -2,7 +2,7 @@
 	<mk-ui ref="ui">
 		<mk-user-following ref="list" if={ !parent.fetching } user={ parent.user }></mk-user-following>
 	</mk-ui>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 
diff --git a/src/web/app/mobile/tags/page/user.tag b/src/web/app/mobile/tags/page/user.tag
index eade5ee85d..0ac8ed4e25 100644
--- a/src/web/app/mobile/tags/page/user.tag
+++ b/src/web/app/mobile/tags/page/user.tag
@@ -2,7 +2,7 @@
 	<mk-ui ref="ui">
 		<mk-user ref="user" user={ parent.user } page={ parent.opts.page }></mk-user>
 	</mk-ui>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 
diff --git a/src/web/app/mobile/tags/post-detail.tag b/src/web/app/mobile/tags/post-detail.tag
index 35e20f65fc..3856df0800 100644
--- a/src/web/app/mobile/tags/post-detail.tag
+++ b/src/web/app/mobile/tags/post-detail.tag
@@ -86,7 +86,7 @@
 			</virtual>
 		</div>
 	</div>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 			margin 0
diff --git a/src/web/app/mobile/tags/post-form.tag b/src/web/app/mobile/tags/post-form.tag
index 8ee92f33e1..3d98a9832f 100644
--- a/src/web/app/mobile/tags/post-form.tag
+++ b/src/web/app/mobile/tags/post-form.tag
@@ -27,7 +27,7 @@
 		<button class="poll" onclick={ addPoll }><i class="fa fa-pie-chart"></i></button>
 		<input ref="file" type="file" accept="image/*" multiple="multiple" onchange={ changeFile }/>
 	</div>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 			padding-top 50px
diff --git a/src/web/app/mobile/tags/post-preview.tag b/src/web/app/mobile/tags/post-preview.tag
index 0ea3356ef2..d86ca86df6 100644
--- a/src/web/app/mobile/tags/post-preview.tag
+++ b/src/web/app/mobile/tags/post-preview.tag
@@ -16,7 +16,7 @@
 			</div>
 		</div>
 	</article>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 			margin 0
diff --git a/src/web/app/mobile/tags/search-posts.tag b/src/web/app/mobile/tags/search-posts.tag
index dab72b73cd..18d538c327 100644
--- a/src/web/app/mobile/tags/search-posts.tag
+++ b/src/web/app/mobile/tags/search-posts.tag
@@ -1,6 +1,6 @@
 <mk-search-posts>
 	<mk-timeline init={ init } more={ more } empty={ '「' + query + '」に関する投稿は見つかりませんでした。' }></mk-timeline>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 			background #fff
diff --git a/src/web/app/mobile/tags/search.tag b/src/web/app/mobile/tags/search.tag
index 861d4d4c78..3cca973a26 100644
--- a/src/web/app/mobile/tags/search.tag
+++ b/src/web/app/mobile/tags/search.tag
@@ -1,6 +1,6 @@
 <mk-search>
 	<mk-search-posts ref="posts" query={ query }></mk-search-posts>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 
diff --git a/src/web/app/mobile/tags/stream-indicator.tag b/src/web/app/mobile/tags/stream-indicator.tag
index b5cf6dde9a..d2ab34574d 100644
--- a/src/web/app/mobile/tags/stream-indicator.tag
+++ b/src/web/app/mobile/tags/stream-indicator.tag
@@ -4,7 +4,7 @@
 	<p if={ state == 'reconnecting' }><i class="fa fa-spinner fa-spin"></i><span>切断されました 接続中
 			<mk-ellipsis></mk-ellipsis></span></p>
 	<p if={ state == 'connected' }><i class="fa fa-check"></i><span>接続完了</span></p>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 			pointer-events none
diff --git a/src/web/app/mobile/tags/sub-post-content.tag b/src/web/app/mobile/tags/sub-post-content.tag
index 55ea0b5646..2256bb3486 100644
--- a/src/web/app/mobile/tags/sub-post-content.tag
+++ b/src/web/app/mobile/tags/sub-post-content.tag
@@ -8,7 +8,7 @@
 		<summary>投票</summary>
 		<mk-poll post={ post }></mk-poll>
 	</details>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 			overflow-wrap break-word
diff --git a/src/web/app/mobile/tags/timeline-post-sub.tag b/src/web/app/mobile/tags/timeline-post-sub.tag
index 3d3a1a9210..8ffe84bbc9 100644
--- a/src/web/app/mobile/tags/timeline-post-sub.tag
+++ b/src/web/app/mobile/tags/timeline-post-sub.tag
@@ -8,7 +8,7 @@
 			</div>
 		</div>
 	</article>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 			margin 0
diff --git a/src/web/app/mobile/tags/timeline-post.tag b/src/web/app/mobile/tags/timeline-post.tag
index 8a4cd9e0c1..9ffa2c918c 100644
--- a/src/web/app/mobile/tags/timeline-post.tag
+++ b/src/web/app/mobile/tags/timeline-post.tag
@@ -46,7 +46,7 @@
 			</footer>
 		</div>
 	</article>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 			margin 0
diff --git a/src/web/app/mobile/tags/timeline.tag b/src/web/app/mobile/tags/timeline.tag
index 678fca13ee..c41016076e 100644
--- a/src/web/app/mobile/tags/timeline.tag
+++ b/src/web/app/mobile/tags/timeline.tag
@@ -9,7 +9,7 @@
 		<button if={ canFetchMore } onclick={ more } disabled={ fetching }><span if={ !fetching }>もっとみる</span><span if={ fetching }>読み込み中
 				<mk-ellipsis></mk-ellipsis></span></button>
 	</footer>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 			background #fff
diff --git a/src/web/app/mobile/tags/ui-header.tag b/src/web/app/mobile/tags/ui-header.tag
index 6e23a4b9cc..d47c3610f9 100644
--- a/src/web/app/mobile/tags/ui-header.tag
+++ b/src/web/app/mobile/tags/ui-header.tag
@@ -8,7 +8,7 @@
 			<button class="post" onclick={ post }><i class="fa fa-pencil"></i></button>
 		</div>
 	</div>
-	<style type="stylus">
+	<style>
 		:scope
 			$height = 48px
 
diff --git a/src/web/app/mobile/tags/ui-nav.tag b/src/web/app/mobile/tags/ui-nav.tag
index a3ec3352c4..18fd4de160 100644
--- a/src/web/app/mobile/tags/ui-nav.tag
+++ b/src/web/app/mobile/tags/ui-nav.tag
@@ -23,7 +23,7 @@
 		</div>
 		<p class="about" href={ CONFIG.urls.about }><a>Misskeyについて</a></p>
 	</div>
-	<style type="stylus">
+	<style>
 		:scope
 			display none
 
diff --git a/src/web/app/mobile/tags/ui.tag b/src/web/app/mobile/tags/ui.tag
index 08672a2d9d..c3ffe90978 100644
--- a/src/web/app/mobile/tags/ui.tag
+++ b/src/web/app/mobile/tags/ui.tag
@@ -5,7 +5,7 @@
 		<div class="content" ref="main"><yield /></div>
 	</div>
 	<mk-stream-indicator></mk-stream-indicator>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 
diff --git a/src/web/app/mobile/tags/user-followers.tag b/src/web/app/mobile/tags/user-followers.tag
index 6a1251ce52..f328ab61de 100644
--- a/src/web/app/mobile/tags/user-followers.tag
+++ b/src/web/app/mobile/tags/user-followers.tag
@@ -1,6 +1,6 @@
 <mk-user-followers>
 	<mk-users-list ref="list" fetch={ fetch } count={ user.followers_count } you-know-count={ user.followers_you_know_count } no-users={ 'フォロワーはいないようです。' }></mk-users-list>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 
diff --git a/src/web/app/mobile/tags/user-following.tag b/src/web/app/mobile/tags/user-following.tag
index 1c1838c209..29f3680b65 100644
--- a/src/web/app/mobile/tags/user-following.tag
+++ b/src/web/app/mobile/tags/user-following.tag
@@ -1,6 +1,6 @@
 <mk-user-following>
 	<mk-users-list ref="list" fetch={ fetch } count={ user.following_count } you-know-count={ user.following_you_know_count } no-users={ 'フォロー中のユーザーはいないようです。' }></mk-users-list>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 
diff --git a/src/web/app/mobile/tags/user-preview.tag b/src/web/app/mobile/tags/user-preview.tag
index 72d23378fd..2e600a8171 100644
--- a/src/web/app/mobile/tags/user-preview.tag
+++ b/src/web/app/mobile/tags/user-preview.tag
@@ -5,7 +5,7 @@
 			<div class="bio">{ user.bio }</div>
 		</div>
 	</div>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 			margin 0
diff --git a/src/web/app/mobile/tags/user-timeline.tag b/src/web/app/mobile/tags/user-timeline.tag
index abb81a518a..9646dda9e7 100644
--- a/src/web/app/mobile/tags/user-timeline.tag
+++ b/src/web/app/mobile/tags/user-timeline.tag
@@ -1,6 +1,6 @@
 <mk-user-timeline>
 	<mk-timeline ref="timeline" init={ init } more={ more } empty={ withMedia ? 'メディア付き投稿はありません。' : 'このユーザーはまだ投稿していないようです。' }></mk-timeline>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 			max-width 600px
diff --git a/src/web/app/mobile/tags/user.tag b/src/web/app/mobile/tags/user.tag
index 80884be313..37900bb617 100644
--- a/src/web/app/mobile/tags/user.tag
+++ b/src/web/app/mobile/tags/user.tag
@@ -24,7 +24,7 @@
 			<mk-user-graphs if={ page == 'graphs' } user={ user }></mk-user-graphs>
 		</div>
 	</div>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 
diff --git a/src/web/app/mobile/tags/users-list.tag b/src/web/app/mobile/tags/users-list.tag
index 269625d1d4..a45d2a9e07 100644
--- a/src/web/app/mobile/tags/users-list.tag
+++ b/src/web/app/mobile/tags/users-list.tag
@@ -11,7 +11,7 @@
 	<p class="fetching" if={ fetching }><i class="fa fa-spinner fa-pulse fa-fw"></i>読み込んでいます
 		<mk-ellipsis></mk-ellipsis>
 	</p>
-	<style type="stylus">
+	<style>
 		:scope
 			display block
 			background #fff