diff --git a/locales/ja-JP.yml b/locales/ja-JP.yml
index feb09b9054..a3a1d2cd24 100644
--- a/locales/ja-JP.yml
+++ b/locales/ja-JP.yml
@@ -973,6 +973,7 @@ rolesAssignedToMe: "自分に割り当てられたロール"
 resetPasswordConfirm: "パスワードリセットしますか？"
 sensitiveWords: "センシティブワード"
 sensitiveWordsDescription: "設定したワードが含まれるノートの公開範囲をホームにします。改行で区切って複数設定できます。"
+notesSearchNotAvailable: "ノート検索は利用できません。"
 
 _achievements:
   earnedAt: "獲得日時"
diff --git a/packages/frontend/src/navbar.ts b/packages/frontend/src/navbar.ts
index 032d68862d..0e2f787d50 100644
--- a/packages/frontend/src/navbar.ts
+++ b/packages/frontend/src/navbar.ts
@@ -2,6 +2,7 @@ import { computed, reactive } from 'vue';
 import { $i } from './account';
 import { miLocalStorage } from './local-storage';
 import { openInstanceMenu } from './ui/_common_/common';
+import { lookup } from './scripts/lookup';
 import * as os from '@/os';
 import { i18n } from '@/i18n';
 import { ui } from '@/config';
@@ -44,6 +45,13 @@ export const navbarItemDef = reactive({
 		icon: 'ti ti-search',
 		to: '/search',
 	},
+	lookup: {
+		title: i18n.ts.lookup,
+		icon: 'ti ti-world-search',
+		action: (ev) => {
+			lookup();
+		},
+	},
 	lists: {
 		title: i18n.ts.lists,
 		icon: 'ti ti-list',
diff --git a/packages/frontend/src/pages/notifications.vue b/packages/frontend/src/pages/notifications.vue
index da64a4c1e0..a5c7cdaa71 100644
--- a/packages/frontend/src/pages/notifications.vue
+++ b/packages/frontend/src/pages/notifications.vue
@@ -75,9 +75,11 @@ const headerActions = $computed(() => [tab === 'all' ? {
 const headerTabs = $computed(() => [{
 	key: 'all',
 	title: i18n.ts.all,
+	icon: 'ti ti-point',
 }, {
 	key: 'unread',
 	title: i18n.ts.unread,
+	icon: 'ti ti-loader',
 }, {
 	key: 'mentions',
 	title: i18n.ts.mentions,
diff --git a/packages/frontend/src/pages/search.vue b/packages/frontend/src/pages/search.vue
index 7e81cd2c0d..cc6f8cc0cc 100644
--- a/packages/frontend/src/pages/search.vue
+++ b/packages/frontend/src/pages/search.vue
@@ -1,26 +1,42 @@
 <template>
 <MkStickyContainer>
-	<template #header><MkPageHeader :actions="headerActions" :tabs="headerTabs"/></template>
-	<MkSpacer :content-max="800">
-		<MkInput v-model="searchQuery" :large="true" :autofocus="true" :debounce="true" type="search" style="margin-bottom: var(--margin);" @update:model-value="search()">
-			<template #prefix><i class="ti ti-search"></i></template>
-		</MkInput>
-		<MkTab v-model="searchType" style="margin-bottom: var(--margin);" @update:model-value="search()">
-			<option value="note">{{ i18n.ts.note }}</option>
-			<option value="user">{{ i18n.ts.user }}</option>
-		</MkTab>
+	<template #header><MkPageHeader v-model:tab="tab" :actions="headerActions" :tabs="headerTabs"/></template>
+	<MkSpacer v-if="tab === 'note'" :content-max="800">
+		<div v-if="notesSearchAvailable" class="_gaps">
+			<div class="_gaps">
+				<MkInput v-model="searchQuery" :large="true" :autofocus="true" type="search">
+					<template #prefix><i class="ti ti-search"></i></template>
+				</MkInput>
+				<MkButton large primary gradate rounded @click="search">{{ i18n.ts.search }}</MkButton>
+			</div>
 
-		<div v-if="searchType === 'note'">
-			<MkNotes v-if="searchQuery" ref="notes" :pagination="notePagination"/>
+			<MkFoldableSection v-if="notePagination">
+				<template #header>{{ i18n.ts.searchResult }}</template>
+				<MkNotes :key="key" :pagination="notePagination"/>
+			</MkFoldableSection>
 		</div>
 		<div v-else>
-			<MkRadios v-model="searchOrigin" style="margin-bottom: var(--margin);" @update:model-value="search()">
-				<option value="combined">{{ i18n.ts.all }}</option>
-				<option value="local">{{ i18n.ts.local }}</option>
-				<option value="remote">{{ i18n.ts.remote }}</option>
-			</MkRadios>
+			<MkInfo warn>{{ i18n.ts.notesSearchNotAvailable }}</MkInfo>
+		</div>
+	</MkSpacer>
+	<MkSpacer v-else-if="tab === 'user'" :content-max="800">
+		<div class="_gaps">
+			<div class="_gaps">
+				<MkInput v-model="searchQuery" :large="true" :autofocus="true" type="search">
+					<template #prefix><i class="ti ti-search"></i></template>
+				</MkInput>
+				<MkRadios v-model="searchOrigin" @update:model-value="search()">
+					<option value="combined">{{ i18n.ts.all }}</option>
+					<option value="local">{{ i18n.ts.local }}</option>
+					<option value="remote">{{ i18n.ts.remote }}</option>
+				</MkRadios>
+				<MkButton large primary gradate rounded @click="search">{{ i18n.ts.search }}</MkButton>
+			</div>
 
-			<MkUserList v-if="searchQuery" ref="users" :pagination="userPagination"/>
+			<MkFoldableSection v-if="userPagination">
+				<template #header>{{ i18n.ts.searchResult }}</template>
+				<MkUserList :key="key" :pagination="userPagination"/>
+			</MkFoldableSection>
 		</div>
 	</MkSpacer>
 </MkStickyContainer>
@@ -31,14 +47,15 @@ import { computed, onMounted } from 'vue';
 import MkNotes from '@/components/MkNotes.vue';
 import MkUserList from '@/components/MkUserList.vue';
 import MkInput from '@/components/MkInput.vue';
-import MkTab from '@/components/MkTab.vue';
 import MkRadios from '@/components/MkRadios.vue';
+import MkButton from '@/components/MkButton.vue';
 import { i18n } from '@/i18n';
 import { definePageMetadata } from '@/scripts/page-metadata';
 import * as os from '@/os';
-import { useRouter, mainRouter } from '@/router';
-
-const router = useRouter();
+import MkFoldableSection from '@/components/MkFoldableSection.vue';
+import { $i } from '@/account';
+import { instance } from '@/instance';
+import MkInfo from '@/components/MkInfo.vue';
 
 const props = defineProps<{
 	query: string;
@@ -47,97 +64,60 @@ const props = defineProps<{
 	origin?: string;
 }>();
 
+let key = $ref('');
+let tab = $ref('note');
 let searchQuery = $ref('');
-let searchType = $ref('note');
 let searchOrigin = $ref('combined');
+let notePagination = $ref();
+let userPagination = $ref();
+
+const notesSearchAvailable = (($i == null && instance.policies.canSearchNotes) || ($i != null && $i.policies.canSearchNotes));
 
 onMounted(() => {
+	tab = props.type ?? 'note';
 	searchQuery = props.query ?? '';
-	searchType = props.type ?? 'note';
 	searchOrigin = props.origin ?? 'combined';
-
-	if (searchQuery) {
-		search();
-	}
 });
 
-const search = async () => {
+async function search() {
 	const query = searchQuery.toString().trim();
 
 	if (query == null || query === '') return;
 
-	if (query.startsWith('@') && !query.includes(' ')) {
-		mainRouter.push(`/${query}`);
-		return;
+	if (tab === 'note') {
+		notePagination = {
+			endpoint: 'notes/search',
+			limit: 10,
+			params: {
+				query: searchQuery,
+				channelId: props.channel,
+			},
+		};
+	} else if (tab === 'user') {
+		userPagination = {
+			endpoint: 'users/search',
+			limit: 10,
+			params: {
+				query: searchQuery,
+				origin: searchOrigin,
+			},
+		};
 	}
 
-	if (query.startsWith('#')) {
-		mainRouter.push(`/tags/${encodeURIComponent(query.substr(1))}`);
-		return;
-	}
-
-	// like 2018/03/12
-	if (/^[0-9]{4}\/[0-9]{2}\/[0-9]{2}/.test(query.replace(/-/g, '/'))) {
-		const date = new Date(query.replace(/-/g, '/'));
-
-		// 日付しか指定されてない場合、例えば 2018/03/12 ならユーザーは
-		// 2018/03/12 のコンテンツを「含む」結果になることを期待するはずなので
-		// 23時間59分進める(そのままだと 2018/03/12 00:00:00 「まで」の
-		// 結果になってしまい、2018/03/12 のコンテンツは含まれない)
-		if (query.replace(/-/g, '/').match(/^[0-9]{4}\/[0-9]{2}\/[0-9]{2}$/)) {
-			date.setHours(23, 59, 59, 999);
-		}
-
-		// TODO
-		//v.$root.$emit('warp', date);
-		os.alert({
-			icon: 'ti ti-history',
-			iconOnly: true, autoClose: true,
-		});
-		return;
-	}
-
-	if (query.startsWith('https://')) {
-		const promise = os.api('ap/show', {
-			uri: query,
-		});
-
-		os.promiseDialog(promise, null, null, i18n.ts.fetchingAsApObject);
-
-		const res = await promise;
-
-		if (res.type === 'User') {
-			mainRouter.push(`/@${res.object.username}@${res.object.host}`);
-		} else if (res.type === 'Note') {
-			mainRouter.push(`/notes/${res.object.id}`);
-		}
-
-		return;
-	}
-
-	window.history.replaceState('', '', `/search?q=${encodeURIComponent(query)}&type=${searchType}${searchType === 'user' ? `&origin=${searchOrigin}` : ''}`);
-};
-
-const notePagination = {
-	endpoint: 'notes/search' as const,
-	limit: 10,
-	params: computed(() => ({
-		query: searchQuery,
-		channelId: props.channel,
-	})),
-};
-const userPagination = {
-	endpoint: 'users/search' as const,
-	limit: 10,
-	params: computed(() => ({
-		query: searchQuery,
-		origin: searchOrigin,
-	})),
-};
+	key = query;
+}
 
 const headerActions = $computed(() => []);
 
-const headerTabs = $computed(() => []);
+const headerTabs = $computed(() => [{
+	key: 'note',
+	title: i18n.ts.notes,
+	icon: 'ti ti-pencil',
+}, {
+	key: 'user',
+	title: i18n.ts.users,
+	icon: 'ti ti-users',
+}]);
 
 definePageMetadata(computed(() => ({
 	title: searchQuery ? i18n.t('searchWith', { q: searchQuery }) : i18n.ts.search,
diff --git a/packages/frontend/src/scripts/lookup.ts b/packages/frontend/src/scripts/lookup.ts
new file mode 100644
index 0000000000..ce5b03fc38
--- /dev/null
+++ b/packages/frontend/src/scripts/lookup.ts
@@ -0,0 +1,41 @@
+import * as os from '@/os';
+import { i18n } from '@/i18n';
+import { mainRouter } from '@/router';
+import { Router } from '@/nirax';
+
+export async function lookup(router?: Router) {
+	const _router = router ?? mainRouter;
+
+	const { canceled, result: query } = await os.inputText({
+		title: i18n.ts.lookup,
+	});
+	if (canceled) return;
+	
+	if (query.startsWith('@') && !query.includes(' ')) {
+		_router.push(`/${query}`);
+		return;
+	}
+
+	if (query.startsWith('#')) {
+		_router.push(`/tags/${encodeURIComponent(query.substr(1))}`);
+		return;
+	}
+
+	if (query.startsWith('https://')) {
+		const promise = os.api('ap/show', {
+			uri: query,
+		});
+
+		os.promiseDialog(promise, null, null, i18n.ts.fetchingAsApObject);
+
+		const res = await promise;
+
+		if (res.type === 'User') {
+			_router.push(`/@${res.object.username}@${res.object.host}`);
+		} else if (res.type === 'Note') {
+			_router.push(`/notes/${res.object.id}`);
+		}
+
+		return;
+	}
+}