diff --git a/CHANGELOG.md b/CHANGELOG.md
index c9bda35348..d3ccb5f864 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,15 @@
 
 You should also include the user name that made the change.
 -->
+## 13.x.x (unreleased)
+
+### Improvements
+- 非ログイン時にMiAuthを踏んだ際にMiAuthであることを表示する
+- /auth/のUIをアップデート
+
+### Bugfixes
+-
+
 ## 13.5.4 (2023/02/09)
 
 ### Improvements
diff --git a/locales/ja-JP.yml b/locales/ja-JP.yml
index 09069e7801..60f492d66e 100644
--- a/locales/ja-JP.yml
+++ b/locales/ja-JP.yml
@@ -1628,12 +1628,14 @@ _permissions:
   "write:gallery-likes": "ギャラリーのいいねを操作する"
 
 _auth:
+  shareAccessTitle: "アプリへのアクセス許可"
   shareAccess: "「{name}」がアカウントにアクセスすることを許可しますか？"
   shareAccessAsk: "アカウントへのアクセスを許可しますか？"
   permissionAsk: "このアプリは次の権限を要求しています"
   pleaseGoBack: "アプリケーションに戻ってやっていってください"
   callback: "アプリケーションに戻っています"
   denied: "アクセスを拒否しました"
+  pleaseLogin: "アプリケーションにアクセス許可を与えるには、ログインが必要です。"
 
 _antennaSources:
   all: "全てのノート"
diff --git a/packages/frontend/src/pages/auth.form.vue b/packages/frontend/src/pages/auth.form.vue
index 801295fce9..1a1cd55eee 100644
--- a/packages/frontend/src/pages/auth.form.vue
+++ b/packages/frontend/src/pages/auth.form.vue
@@ -1,60 +1,66 @@
 <template>
-<section class="">
-	<div class="">{{ $t('_auth.shareAccess', { name: app.name }) }}</div>
-	<div class="">
-		<h2>{{ app.name }}</h2>
-		<p class="id">{{ app.id }}</p>
-		<p class="description">{{ app.description }}</p>
-	</div>
-	<div class="">
-		<h2>{{ $ts._auth.permissionAsk }}</h2>
-		<ul>
-			<li v-for="p in app.permission" :key="p">{{ $t(`_permissions.${p}`) }}</li>
-		</ul>
-	</div>
-	<div class="">
-		<MkButton inline @click="cancel">{{ $ts.cancel }}</MkButton>
-		<MkButton inline primary @click="accept">{{ $ts.accept }}</MkButton>
-	</div>
-</section>
+	<section>
+		<div v-if="app.permission.length > 0">
+			<p>{{ i18n.ts._auth.permissionAsk }}</p>
+			<ul>
+				<li v-for="p in app.permission" :key="p">{{ $t(`_permissions.${p}`) }}</li>
+			</ul>
+		</div>
+		<div>{{ i18n.t('_auth.shareAccess', { name: `${name} (${app.id})` }) }}</div>
+		<div :class="$style.buttons">
+			<MkButton inline @click="cancel">{{ i18n.ts.cancel }}</MkButton>
+			<MkButton inline primary @click="accept">{{ i18n.ts.accept }}</MkButton>
+		</div>
+	</section>
 </template>
 
-<script lang="ts">
-import { defineComponent } from 'vue';
+<script lang="ts" setup>
+import { } from 'vue';
 import MkButton from '@/components/MkButton.vue';
 import * as os from '@/os';
+import { i18n } from '@/i18n';
+import { AuthSession } from 'misskey-js/built/entities';
 
-export default defineComponent({
-	components: {
-		MkButton,
-	},
-	props: ['session'],
-	computed: {
-		name(): string {
-			const el = document.createElement('div');
-			el.textContent = this.app.name;
-			return el.innerHTML;
-		},
-		app(): any {
-			return this.session.app;
-		},
-	},
-	methods: {
-		cancel() {
-			os.api('auth/deny', {
-				token: this.session.token,
-			}).then(() => {
-				this.$emit('denied');
-			});
-		},
+const props = defineProps<{
+	session: AuthSession;
+}>();
 
-		accept() {
-			os.api('auth/accept', {
-				token: this.session.token,
-			}).then(() => {
-				this.$emit('accepted');
-			});
-		},
-	},
+const emit = defineEmits<{
+	(event: 'accepted'): void;
+	(event: 'denied'): void;
+}>();
+
+const app = $computed(() => props.session.app);
+
+const name = $computed(() => {
+	const el = document.createElement('div');
+	el.textContent = app.name;
+	return el.innerHTML;
 });
+
+function cancel() {
+	os.api('auth/deny', {
+		token: props.session.token,
+	}).then(() => {
+		emit('denied');
+	});
+}
+
+function accept() {
+	os.api('auth/accept', {
+		token: props.session.token,
+	}).then(() => {
+		emit('accepted');
+	});
+}
+
 </script>
+
+<style lang="scss" module>
+.buttons {
+	margin-top: 16px;
+	display: flex;
+	gap: 8px;
+	flex-wrap: wrap;
+}
+</style>
diff --git a/packages/frontend/src/pages/auth.vue b/packages/frontend/src/pages/auth.vue
index b7727ca30d..50afffc460 100644
--- a/packages/frontend/src/pages/auth.vue
+++ b/packages/frontend/src/pages/auth.vue
@@ -1,93 +1,105 @@
 <template>
-<div v-if="$i && fetching" class="">
-	<MkLoading/>
-</div>
-<div v-else-if="$i">
-	<XForm
-		v-if="state == 'waiting'"
-		ref="form"
-		class="form"
-		:session="session"
-		@denied="state = 'denied'"
-		@accepted="accepted"
-	/>
-	<div v-if="state == 'denied'" class="denied">
-		<h1>{{ $ts._auth.denied }}</h1>
-	</div>
-	<div v-if="state == 'accepted'" class="accepted">
-		<h1>{{ session.app.isAuthorized ? $t('already-authorized') : $ts.allowed }}</h1>
-		<p v-if="session.app.callbackUrl">{{ $ts._auth.callback }}<MkEllipsis/></p>
-		<p v-if="!session.app.callbackUrl">{{ $ts._auth.pleaseGoBack }}</p>
-	</div>
-	<div v-if="state == 'fetch-session-error'" class="error">
-		<p>{{ $ts.somethingHappened }}</p>
-	</div>
-</div>
-<div v-else class="signin">
-	<MkSignin @login="onLogin"/>
-</div>
+<MkStickyContainer>
+	<template #header><MkPageHeader :actions="headerActions" :tabs="headerTabs" /></template>
+	<MkSpacer :content-max="500">
+		<div v-if="state == 'fetch-session-error'">
+			<p>{{ i18n.ts.somethingHappened }}</p>
+		</div>
+		<div v-else-if="$i && !session">
+			<MkLoading />
+		</div>
+		<div v-else-if="$i && session">
+			<XForm
+				v-if="state == 'waiting'"
+				class="form"
+				:session="session"
+				@denied="state = 'denied'"
+				@accepted="accepted"
+			/>
+			<div v-if="state == 'denied'">
+				<h1>{{ i18n.ts._auth.denied }}</h1>
+			</div>
+			<div v-if="state == 'accepted' && session">
+				<h1>{{ session.app.isAuthorized ? $t('already-authorized') : i18n.ts.allowed }}</h1>
+				<p v-if="session.app.callbackUrl">{{ i18n.ts._auth.callback }}
+					<MkEllipsis />
+				</p>
+				<p v-if="!session.app.callbackUrl">{{ i18n.ts._auth.pleaseGoBack }}</p>
+			</div>
+		</div>
+		<div v-else>
+			<p :class="$style.loginMessage">{{ i18n.ts._auth.pleaseLogin }}</p>
+			<MkSignin @login="onLogin" />
+		</div>
+	</MkSpacer>
+</MkStickyContainer>
 </template>
 
-<script lang="ts">
-import { defineComponent } from 'vue';
+<script lang="ts" setup>
+import { onMounted } from 'vue';
 import XForm from './auth.form.vue';
 import MkSignin from '@/components/MkSignin.vue';
 import * as os from '@/os';
-import { login } from '@/account';
+import { $i, login } from '@/account';
+import { definePageMetadata } from '@/scripts/page-metadata';
+import { AuthSession } from 'misskey-js/built/entities';
+import { i18n } from '@/i18n';
 
-export default defineComponent({
-	components: {
-		XForm,
-		MkSignin,
-	},
-	props: ['token'],
-	data() {
-		return {
-			state: null,
-			session: null,
-			fetching: true,
-		};
-	},
-	mounted() {
-		if (!this.$i) return;
+const props = defineProps<{
+	token: string;
+}>();
 
-		// Fetch session
-		os.api('auth/session/show', {
-			token: this.token,
-		}).then(session => {
-			this.session = session;
-			this.fetching = false;
+let state = $ref<'waiting' | 'accepted' | 'fetch-session-error' | 'denied' | null>(null);
+let session = $ref<AuthSession | null>(null);
 
-			// 既に連携していた場合
-			if (this.session.app.isAuthorized) {
-				os.api('auth/accept', {
-					token: this.session.token,
-				}).then(() => {
-					this.accepted();
-				});
-			} else {
-				this.state = 'waiting';
-			}
-		}).catch(error => {
-			this.state = 'fetch-session-error';
-			this.fetching = false;
+function accepted() {
+	state = 'accepted';
+	if (session && session.app.callbackUrl) {
+		const url = new URL(session.app.callbackUrl);
+		if (['javascript:', 'file:', 'data:', 'mailto:', 'tel:'].includes(url.protocol)) throw new Error('invalid url');
+		location.href = `${session.app.callbackUrl}?token=${session.token}`;
+	}
+}
+
+function onLogin(res) {
+	login(res.i);
+}
+
+onMounted(async () => {
+	if (!$i) return;
+
+	try {
+		session = await os.api('auth/session/show', {
+			token: props.token,
 		});
-	},
-	methods: {
-		accepted() {
-			this.state = 'accepted';
-			if (this.session.app.callbackUrl) {
-				const url = new URL(this.session.app.callbackUrl);
-				if (['javascript:', 'file:', 'data:', 'mailto:', 'tel:'].includes(url.protocol)) throw new Error('invalid url');
-				location.href = `${this.session.app.callbackUrl}?token=${this.session.token}`;
-			}
-		}, onLogin(res) {
-			login(res.i);
-		},
-	},
+
+		// 既に連携していた場合
+		if (session.app.isAuthorized) {
+			await os.api('auth/accept', {
+				token: session.token,
+			});
+			accepted();
+		} else {
+			state = 'waiting';
+		}
+	} catch (e) {
+		state = 'fetch-session-error';
+	}
+});
+
+const headerActions = $computed(() => []);
+
+const headerTabs = $computed(() => []);
+
+definePageMetadata({
+	title: i18n.ts._auth.shareAccessTitle,
+	icon: 'ti ti-apps',
 });
 </script>
 
-<style lang="scss" scoped>
-
+<style lang="scss" module>
+.loginMessage {
+	text-align: center;
+	margin: 8px 0 24px;
+}
 </style>
diff --git a/packages/frontend/src/pages/miauth.vue b/packages/frontend/src/pages/miauth.vue
index 9a4019e5b1..0a82ef8e44 100644
--- a/packages/frontend/src/pages/miauth.vue
+++ b/packages/frontend/src/pages/miauth.vue
@@ -1,41 +1,39 @@
 <template>
-<MkSpacer :content-max="800">
-	<div v-if="$i">
-		<div v-if="state == 'waiting'" class="waiting">
-			<div class="">
+<MkStickyContainer>
+	<template #header><MkPageHeader :actions="headerActions" :tabs="headerTabs" /></template>
+	<MkSpacer :content-max="800">
+		<div v-if="$i">
+			<div v-if="state == 'waiting'">
 				<MkLoading/>
 			</div>
-		</div>
-		<div v-if="state == 'denied'" class="denied">
-			<div class="">
+			<div v-if="state == 'denied'">
 				<p>{{ i18n.ts._auth.denied }}</p>
 			</div>
-		</div>
-		<div v-else-if="state == 'accepted'" class="accepted">
-			<div class="">
+			<div v-else-if="state == 'accepted'" class="accepted">
 				<p v-if="callback">{{ i18n.ts._auth.callback }}<MkEllipsis/></p>
 				<p v-else>{{ i18n.ts._auth.pleaseGoBack }}</p>
 			</div>
-		</div>
-		<div v-else class="">
-			<div v-if="name" class="">{{ $t('_auth.shareAccess', { name: name }) }}</div>
-			<div v-else class="">{{ i18n.ts._auth.shareAccessAsk }}</div>
-			<div class="">
-				<p>{{ i18n.ts._auth.permissionAsk }}</p>
-				<ul>
-					<li v-for="p in _permissions" :key="p">{{ $t(`_permissions.${p}`) }}</li>
-				</ul>
-			</div>
-			<div class="">
-				<MkButton inline @click="deny">{{ i18n.ts.cancel }}</MkButton>
-				<MkButton inline primary @click="accept">{{ i18n.ts.accept }}</MkButton>
+			<div v-else>
+				<div v-if="name">{{ $t('_auth.shareAccess', { name: name }) }}</div>
+				<div v-else>{{ i18n.ts._auth.shareAccessAsk }}</div>
+				<div v-if="_permissions.length > 0">
+					<p>{{ i18n.ts._auth.permissionAsk }}</p>
+					<ul>
+						<li v-for="p in _permissions" :key="p">{{ $t(`_permissions.${p}`) }}</li>
+					</ul>
+				</div>
+				<div :class="$style.buttons">
+					<MkButton inline @click="deny">{{ i18n.ts.cancel }}</MkButton>
+					<MkButton inline primary @click="accept">{{ i18n.ts.accept }}</MkButton>
+				</div>
 			</div>
 		</div>
-	</div>
-	<div v-else class="signin">
-		<MkSignin @login="onLogin"/>
-	</div>
-</MkSpacer>
+		<div v-else>
+			<p :class="$style.loginMessage">{{ i18n.ts._auth.pleaseLogin }}</p>
+			<MkSignin @login="onLogin"/>
+		</div>
+	</MkSpacer>
+</MkStickyContainer>
 </template>
 
 <script lang="ts" setup>
@@ -45,6 +43,7 @@ import MkButton from '@/components/MkButton.vue';
 import * as os from '@/os';
 import { $i, login } from '@/account';
 import { i18n } from '@/i18n';
+import { definePageMetadata } from '@/scripts/page-metadata';
 
 const props = defineProps<{
 	session: string;
@@ -54,7 +53,7 @@ const props = defineProps<{
 	permission: string; // コンマ区切り
 }>();
 
-const _permissions = props.permission.split(',');
+const _permissions = props.permission ? props.permission.split(',') : [];
 
 let state = $ref<string | null>(null);
 
@@ -83,8 +82,27 @@ function deny(): void {
 function onLogin(res): void {
 	login(res.i);
 }
+
+const headerActions = $computed(() => []);
+
+const headerTabs = $computed(() => []);
+
+definePageMetadata({
+	title: 'MiAuth',
+	icon: 'ti ti-apps',
+});
 </script>
 
-<style lang="scss" scoped>
+<style lang="scss" module>
+.buttons {
+	margin-top: 16px;
+	display: flex;
+	gap: 8px;
+	flex-wrap: wrap;
+}
 
+.loginMessage {
+	text-align: center;
+	margin: 8px 0 24px;
+}
 </style>