diff --git a/CHANGELOG_CHERRYPICK.md b/CHANGELOG_CHERRYPICK.md
index 8234a137e5..2c5a66400a 100644
--- a/CHANGELOG_CHERRYPICK.md
+++ b/CHANGELOG_CHERRYPICK.md
@@ -54,6 +54,7 @@
 - Feat: 알림에서 답글이 달린 노트의 상위 노트를 표시하지 않도록 하는 설정 추가
 - Feat: 리노트와 인용 버튼을 표시하는 방법을 선택할 수 있음
 - Feat: 알림 위젯에 필터, 모두 읽은 상태로 표시 버튼 추가
+- Feat: 답글에 글 작성란을 표시하는 기능 추가
 - Spec: 사용자 정의 이모티콘 라이센스를 여러 항목으로 추가할 수 있도록 (MisskeyIO/misskey#130)
 - Enhance: 새로운 신고가 있는 경우, 네비게이션 바의 제어판 아이콘과 제어판 페이지의 신고 섹션에 점을 표시
 - Enhance: 스크롤 시 요소 표시 기능을 Friendly 이외의 UI에도 대응
diff --git a/locales/en-US.yml b/locales/en-US.yml
index 0cff01bc26..815626b607 100644
--- a/locales/en-US.yml
+++ b/locales/en-US.yml
@@ -1,5 +1,7 @@
 ---
 _lang_: "English"
+showFixedPostFormInReplies: "Show posting form in replies"
+showFixedPostFormInRepliesDescription: "Only visible in desktop and tablet environments."
 disabledServerMachineStats: "The 'Publish server hardware stats' setting is turned off.\nTo view server metrics, please enable the 'Publish server hardware stats' setting in 'Control Panel - Other'."
 replayUserSetupDialog: "Replay initial setting"
 replayTutorial: "Replay tutorial"
diff --git a/locales/index.d.ts b/locales/index.d.ts
index 5546eccae8..ee7cb58a26 100644
--- a/locales/index.d.ts
+++ b/locales/index.d.ts
@@ -3,6 +3,8 @@
 // Do not edit this file directly.
 export interface Locale {
     "_lang_": string;
+    "showFixedPostFormInReplies": string;
+    "showFixedPostFormInRepliesDescription": string;
     "disabledServerMachineStats": string;
     "replayUserSetupDialog": string;
     "replayTutorial": string;
diff --git a/locales/ja-JP.yml b/locales/ja-JP.yml
index 6e90413d40..9a65bddea8 100644
--- a/locales/ja-JP.yml
+++ b/locales/ja-JP.yml
@@ -1,5 +1,7 @@
 _lang_: "日本語"
 
+showFixedPostFormInReplies: "返信に投稿フォームを表示する"
+showFixedPostFormInRepliesDescription: "デスクトップとタブレット環境でのみ表示されます。"
 disabledServerMachineStats: "「サーバーのマシン情報を公開する」設定がオフになっています。\nサーバーメトリクスを表示するには、「コントロールパネル - その他」で「サーバーのマシン情報を公開する」設定を有効にしてください。"
 replayUserSetupDialog: "初期設定のリプレイ"
 replayTutorial: "チュートリアルのリプレイ"
diff --git a/locales/ko-KR.yml b/locales/ko-KR.yml
index d574350215..6eb4e13b80 100644
--- a/locales/ko-KR.yml
+++ b/locales/ko-KR.yml
@@ -1,5 +1,7 @@
 ---
 _lang_: "한국어"
+showFixedPostFormInReplies: "답글에 글 작성란 표시"
+showFixedPostFormInRepliesDescription: "데스크톱과 태블릿 환경에서만 표시돼요."
 disabledServerMachineStats: "'서버의 머신 사양을 공개하기' 설정이 꺼져 있습니다.\n서버 통계를 보려면 '제어판 - 기타'에서 '서버의 머신 사양을 공개하기' 설정을 활성화하세요."
 replayUserSetupDialog: "초기 설정 다시 보기"
 replayTutorial: "튜토리얼 다시 보기"
diff --git a/packages/frontend/src/components/MkNoteDetailed.vue b/packages/frontend/src/components/MkNoteDetailed.vue
index 7a7202fd51..f8a066ce45 100644
--- a/packages/frontend/src/components/MkNoteDetailed.vue
+++ b/packages/frontend/src/components/MkNoteDetailed.vue
@@ -173,6 +173,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 	</div>
 	<div>
 		<div v-if="tab === 'replies'" :class="$style.tab_replies">
+			<MkPostForm v-if="!isMobile && defaultStore.state.showFixedPostFormInReplies" class="post-form _panel" fixed :reply="appearNote"></MkPostForm>
 			<div v-if="replies.length > 3 && !repliesLoaded" style="padding: 16px">
 				<MkButton style="margin: 0 auto;" primary rounded @click="loadReplies">{{ i18n.ts.loadReplies }}</MkButton>
 			</div>
@@ -253,6 +254,11 @@ import MkReactionIcon from '@/components/MkReactionIcon.vue';
 import MkButton from '@/components/MkButton.vue';
 import { miLocalStorage } from '@/local-storage.js';
 import { instance } from '@/instance.js';
+import MkPostForm from '@/components/MkPostFormSimple.vue';
+import { deviceKind } from '@/scripts/device-kind.js';
+
+const MOBILE_THRESHOLD = 500;
+const isMobile = ref(deviceKind === 'smartphone' || window.innerWidth <= MOBILE_THRESHOLD);
 
 const props = defineProps<{
 	note: Misskey.entities.Note;
diff --git a/packages/frontend/src/components/MkPostFormSimple.vue b/packages/frontend/src/components/MkPostFormSimple.vue
new file mode 100644
index 0000000000..ffc43bc4d0
--- /dev/null
+++ b/packages/frontend/src/components/MkPostFormSimple.vue
@@ -0,0 +1,1318 @@
+<!--
+SPDX-FileCopyrightText: syuilo and other misskey, cherrypick contributors
+SPDX-License-Identifier: AGPL-3.0-only
+-->
+
+<template>
+<div
+	:class="[$style.root, { [$style.modal]: modal, _popup: modal }]"
+	@dragover.stop="onDragover"
+	@dragenter="onDragenter"
+	@dragleave="onDragleave"
+	@drop.stop="onDrop"
+>
+	<header :class="$style.header">
+		<div :class="$style.headerLeft">
+			<button v-if="!fixed" :class="$style.cancel" class="_button" @click="cancel"><i class="ti ti-x"></i></button>
+			<button v-click-anime v-tooltip="i18n.ts.switchAccount" :class="$style.account" class="_button" @click="openAccountMenu">
+				<MkAvatar :user="postAccount ?? $i" :class="$style.avatar"/>
+			</button>
+		</div>
+		<div :class="$style.headerRight">
+			<template v-if="!(channel != null && fixed)">
+				<button v-if="channel == null" ref="visibilityButton" v-click-anime v-tooltip="i18n.ts.visibility" :class="['_button', $style.headerRightItem, $style.visibility]" @click="setVisibility">
+					<span v-if="visibility === 'public'"><i class="ti ti-world"></i></span>
+					<span v-if="visibility === 'home'"><i class="ti ti-home"></i></span>
+					<span v-if="visibility === 'followers'"><i class="ti ti-lock"></i></span>
+					<span v-if="visibility === 'specified'"><i class="ti ti-mail"></i></span>
+					<span :class="$style.headerRightButtonText">{{ i18n.ts._visibility[visibility] }}</span>
+				</button>
+				<button v-else class="_button" :class="[$style.headerRightItem, $style.visibility]" disabled>
+					<span><i class="ti ti-device-tv"></i></span>
+					<span :class="$style.headerRightButtonText">{{ channel.name }}</span>
+				</button>
+			</template>
+			<button v-click-anime v-tooltip="i18n.ts._visibility.disableFederation" class="_button" :class="[$style.headerRightItem, { [$style.danger]: localOnly }]" :disabled="channel != null || visibility === 'specified'" @click="toggleLocalOnly">
+				<span v-if="!localOnly"><i class="ti ti-rocket"></i></span>
+				<span v-else><i class="ti ti-rocket-off"></i></span>
+			</button>
+			<button v-click-anime v-tooltip="i18n.ts.reactionAcceptance" class="_button" :class="[$style.headerRightItem, { [$style.danger]: reactionAcceptance === 'likeOnly' }]" @click="toggleReactionAcceptance">
+				<span v-if="reactionAcceptance === 'likeOnly'"><i class="ti ti-heart"></i></span>
+				<span v-else-if="reactionAcceptance === 'likeOnlyForRemote'"><i class="ti ti-heart-plus"></i></span>
+				<span v-else><i class="ti ti-icons"></i></span>
+			</button>
+			<button v-tooltip="i18n.ts._mfm.cheatSheet" class="_button" :class="$style.headerRightItem" @click="openMfmCheatSheet"><i class="ti ti-help-circle"></i></button>
+			<button v-click-anime class="_button" :class="$style.submit" :disabled="!canPost" data-cy-open-post-form-submit @click="post">
+				<div :class="$style.submitInner">
+					<template v-if="posted"></template>
+					<template v-else-if="posting"><MkEllipsis/></template>
+					<template v-else>{{ submitText }}</template>
+					<i style="margin-left: 6px;" :class="posted ? 'ti ti-check' : reply ? 'ti ti-arrow-back-up' : renote ? 'ti ti-quote' : defaultStore.state.renameTheButtonInPostFormToNya ? 'ti ti-paw-filled' : 'ti ti-send'"></i>
+				</div>
+			</button>
+		</div>
+	</header>
+	<div v-if="quoteId" :class="$style.withQuote"><i class="ti ti-quote"></i> {{ i18n.ts.quoteAttached }}<button @click="quoteId = null"><i class="ti ti-x"></i></button></div>
+	<MkEventEditor v-if="event" v-model="event" @destroyed="event = null"/>
+	<div v-if="visibility === 'specified'" :class="$style.toSpecified">
+		<span style="margin-right: 8px;">{{ i18n.ts.recipient }}</span>
+		<div :class="$style.visibleUsers">
+			<span v-for="u in visibleUsers" :key="u.id" :class="$style.visibleUser">
+				<MkAcct :user="u"/>
+				<button class="_button" style="padding: 4px 8px;" @click="removeVisibleUser(u)"><i class="ti ti-x"></i></button>
+			</span>
+			<button class="_buttonPrimary" style="padding: 4px; border-radius: 8px;" @click="addVisibleUser"><i class="ti ti-plus ti-fw"></i></button>
+		</div>
+	</div>
+	<MkInfo v-if="hasNotSpecifiedMentions" warn :class="$style.hasNotSpecifiedMentions">{{ i18n.ts.notSpecifiedMentionWarning }} - <button class="_textButton" @click="addMissingMention()">{{ i18n.ts.add }}</button></MkInfo>
+	<input v-show="useCw" ref="cwInputEl" v-model="cw" :class="$style.cw" :placeholder="i18n.ts.annotation" @keydown="onKeydown">
+	<div :class="[$style.textOuter, { [$style.withCw]: useCw }]">
+		<textarea ref="textareaEl" v-model="text" :class="[$style.text]" :disabled="posting || posted" :placeholder="placeholder" data-cy-post-form-text @keydown="onKeydown" @paste="onPaste" @compositionupdate="onCompositionUpdate" @compositionend="onCompositionEnd"/>
+		<div v-if="maxTextLength - textLength < 100" :class="['_acrylic', $style.textCount, { [$style.textOver]: textLength > maxTextLength }]">{{ maxTextLength - textLength }}</div>
+	</div>
+	<input v-show="withHashtags" ref="hashtagsInputEl" v-model="hashtags" :class="$style.hashtags" :placeholder="i18n.ts.hashtags" list="hashtags">
+	<XPostFormAttaches v-model="files" @detach="detachFile" @changeSensitive="updateFileSensitive" @changeName="updateFileName" @replaceFile="replaceFile"/>
+	<MkPollEditor v-if="poll" v-model="poll" @destroyed="poll = null"/>
+	<MkNotePreview v-if="showPreview" :class="$style.preview" :text="text"/>
+	<div v-if="showingOptions" style="padding: 8px 16px;">
+	</div>
+	<footer :class="$style.footer">
+		<div :class="$style.footerLeft">
+			<button v-tooltip="i18n.ts.attachFile" class="_button" :class="$style.footerButton" @click="chooseFileFrom"><i class="ti ti-photo-plus"></i></button>
+			<button v-tooltip="i18n.ts.poll" class="_button" :class="[$style.footerButton, { [$style.footerButtonActive]: poll }]" @click="togglePoll"><i class="ti ti-chart-arrows"></i></button>
+			<button v-tooltip="i18n.ts.event" class="_button" :class="[$style.footerButton, { [$style.footerButtonActive]: event }]" @click="toggleEvent"><i class="ti ti-calendar"></i></button>
+			<button v-tooltip="i18n.ts.useCw" class="_button" :class="[$style.footerButton, { [$style.footerButtonActive]: useCw }]" @click="useCw = !useCw"><i class="ti ti-eye-off"></i></button>
+			<button v-tooltip="i18n.ts.mention" class="_button" :class="$style.footerButton" @click="insertMention"><i class="ti ti-at"></i></button>
+			<button v-tooltip="i18n.ts.hashtags" class="_button" :class="[$style.footerButton, { [$style.footerButtonActive]: withHashtags }]" @click="withHashtags = !withHashtags"><i class="ti ti-hash"></i></button>
+			<button v-tooltip="i18n.ts.disableRightClick" class="_button" :class="[$style.footerButton, { [$style.footerButtonActive]: disableRightClick }]" @click="disableRightClick = !disableRightClick"><i class="ti ti-mouse-off"></i></button>
+			<button v-if="postFormActions.length > 0" v-tooltip="i18n.ts.plugin" class="_button" :class="$style.footerButton" @click="showActions"><i class="ti ti-plug"></i></button>
+			<button v-tooltip="i18n.ts.emoji" :class="['_button', $style.footerButton]" @click="insertEmoji"><i class="ti ti-mood-happy"></i></button>
+		</div>
+		<div :class="$style.footerRight">
+			<button v-tooltip="i18n.ts.previewNoteText" class="_button" :class="[$style.footerButton, { [$style.previewButtonActive]: showPreview }]" @click="showPreview = !showPreview"><i class="ti ti-eye"></i></button>
+			<!--<button v-tooltip="i18n.ts.more" class="_button" :class="$style.footerButton" @click="showingOptions = !showingOptions"><i class="ti ti-dots"></i></button>-->
+		</div>
+	</footer>
+	<datalist id="hashtags">
+		<option v-for="hashtag in recentHashtags" :key="hashtag" :value="hashtag"/>
+	</datalist>
+</div>
+</template>
+
+<script lang="ts" setup>
+import { inject, watch, nextTick, onMounted, defineAsyncComponent } from 'vue';
+import * as mfm from 'cherrypick-mfm-js';
+import * as Misskey from 'cherrypick-js';
+import insertTextAtCursor from 'insert-text-at-cursor';
+import { toASCII } from 'punycode/';
+import autosize from 'autosize';
+import MkNotePreview from '@/components/MkNotePreview.vue';
+import XPostFormAttaches from '@/components/MkPostFormAttaches.vue';
+import MkPollEditor from '@/components/MkPollEditor.vue';
+import MkEventEditor from '@/components/MkEventEditor.vue';
+import { host, url } from '@/config.js';
+import { erase, unique } from '@/scripts/array.js';
+import { extractMentions } from '@/scripts/extract-mentions.js';
+import { formatTimeString } from '@/scripts/format-time-string.js';
+import { Autocomplete } from '@/scripts/autocomplete.js';
+import * as os from '@/os.js';
+import { selectFiles } from '@/scripts/select-file.js';
+import { defaultStore, notePostInterruptors, postFormActions } from '@/store.js';
+import MkInfo from '@/components/MkInfo.vue';
+import { i18n } from '@/i18n.js';
+import { instance } from '@/instance.js';
+import { $i, notesCount, incNotesCount, getAccounts, openAccountMenu as openAccountMenu_ } from '@/account.js';
+import { uploadFile } from '@/scripts/upload.js';
+import { deepClone } from '@/scripts/clone.js';
+import MkRippleEffect from '@/components/MkRippleEffect.vue';
+import { miLocalStorage } from '@/local-storage.js';
+import { claimAchievement } from '@/scripts/achievements.js';
+
+const modal = inject('modal');
+
+const props = withDefaults(defineProps<{
+	reply?: Misskey.entities.Note;
+	renote?: Misskey.entities.Note;
+	channel?: Misskey.entities.Channel; // TODO
+	mention?: Misskey.entities.User;
+	specified?: Misskey.entities.User;
+	initialText?: string;
+	initialVisibility?: (typeof Misskey.noteVisibilities)[number];
+	initialFiles?: Misskey.entities.DriveFile[];
+	initialLocalOnly?: boolean;
+	initialVisibleUsers?: Misskey.entities.User[];
+	initialNote?: Misskey.entities.Note;
+	instant?: boolean;
+	fixed?: boolean;
+	autofocus?: boolean;
+	freezeAfterPosted?: boolean;
+}>(), {
+	initialVisibleUsers: () => [],
+	autofocus: true,
+});
+
+const emit = defineEmits<{
+	(ev: 'posted'): void;
+	(ev: 'cancel'): void;
+	(ev: 'esc'): void;
+}>();
+
+const textareaEl = $shallowRef<HTMLTextAreaElement | null>(null);
+const cwInputEl = $shallowRef<HTMLInputElement | null>(null);
+const hashtagsInputEl = $shallowRef<HTMLInputElement | null>(null);
+const visibilityButton = $shallowRef<HTMLElement | null>(null);
+
+let posting = $ref(false);
+let posted = $ref(false);
+let text = $ref(props.initialText ?? '');
+let files = $ref(props.initialFiles ?? []);
+let poll = $ref<{
+	choices: string[];
+	multiple: boolean;
+	expiresAt: string | null;
+	expiredAfter: string | null;
+} | null>(null);
+let event = $ref<{
+	title: string;
+	start: string;
+	end: string | null;
+	metadata: Record<string, string>;
+} | null>(null);
+let useCw = $ref(false);
+let showPreview = $ref(defaultStore.state.showPreviewInReplies);
+watch($$(showPreview), () => defaultStore.set('showPreviewInReplies', showPreview));
+let cw = $ref<string | null>(null);
+let localOnly = $ref<boolean>(props.initialLocalOnly ?? defaultStore.state.rememberNoteVisibility ? defaultStore.state.localOnly : defaultStore.state.defaultNoteLocalOnly);
+let visibility = $ref(props.initialVisibility ?? (defaultStore.state.rememberNoteVisibility ? defaultStore.state.visibility : defaultStore.state.defaultNoteVisibility) as typeof Misskey.noteVisibilities[number]);
+let visibleUsers = $ref([]);
+if (props.initialVisibleUsers) {
+	props.initialVisibleUsers.forEach(pushVisibleUser);
+}
+let reactionAcceptance = $ref(defaultStore.state.reactionAcceptance);
+let autocomplete = $ref(null);
+let draghover = $ref(false);
+let quoteId = $ref(null);
+let hasNotSpecifiedMentions = $ref(false);
+let recentHashtags = $ref(JSON.parse(miLocalStorage.getItem('hashtags') ?? '[]'));
+let imeText = $ref('');
+let showingOptions = $ref(false);
+let disableRightClick = $ref(false);
+
+const draftKey = $computed((): string => {
+	let key = props.channel ? `channel:${props.channel.id}` : '';
+
+	if (props.renote) {
+		key += `renote:${props.renote.id}`;
+	} else if (props.reply) {
+		key += `reply:${props.reply.id}`;
+	} else {
+		key += `note:${$i.id}`;
+	}
+
+	return key;
+});
+
+const placeholder = $computed((): string => {
+	if (props.renote) {
+		return i18n.ts._postForm.quotePlaceholder;
+	} else if (props.reply) {
+		return i18n.ts._postForm.replyPlaceholder;
+	} else if (props.channel) {
+		return i18n.ts._postForm.channelPlaceholder;
+	} else {
+		const xs = [
+			i18n.ts._postForm._placeholders.a,
+			i18n.ts._postForm._placeholders.b,
+			i18n.ts._postForm._placeholders.c,
+			i18n.ts._postForm._placeholders.d,
+			i18n.ts._postForm._placeholders.e,
+			i18n.ts._postForm._placeholders.f,
+		];
+		return xs[Math.floor(Math.random() * xs.length)];
+	}
+});
+
+const submitText = $computed((): string => {
+	return props.renote
+		? i18n.ts.quote
+		: props.reply
+			? i18n.ts.reply
+			: defaultStore.state.renameTheButtonInPostFormToNya
+				? i18n.ts.nya
+				: i18n.ts.note;
+});
+
+const textLength = $computed((): number => {
+	return (text + imeText).trim().length;
+});
+
+const maxTextLength = $computed((): number => {
+	return instance ? instance.maxNoteTextLength : 1000;
+});
+
+const canPost = $computed((): boolean => {
+	return !posting && !posted &&
+		(1 <= textLength || 1 <= files.length || !!poll || !!props.renote || !!event) &&
+		(textLength <= maxTextLength) &&
+		(!poll || poll.choices.length >= 2);
+});
+
+const withHashtags = $computed(defaultStore.makeGetterSetter('postFormWithHashtags'));
+const hashtags = $computed(defaultStore.makeGetterSetter('postFormHashtags'));
+
+watch($$(text), () => {
+	checkMissingMention();
+}, { immediate: true });
+
+watch($$(visibility), () => {
+	checkMissingMention();
+}, { immediate: true });
+
+watch($$(visibleUsers), () => {
+	checkMissingMention();
+}, {
+	deep: true,
+});
+
+if (props.mention) {
+	text = props.mention.host ? `@${props.mention.username}@${toASCII(props.mention.host)}` : `@${props.mention.username}`;
+	text += ' ';
+}
+
+if (props.reply && (props.reply.user.username !== $i.username || (props.reply.user.host != null && props.reply.user.host !== host))) {
+	text = `@${props.reply.user.username}${props.reply.user.host != null ? '@' + toASCII(props.reply.user.host) : ''} `;
+}
+
+if (props.reply && props.reply.text != null) {
+	const ast = mfm.parse(props.reply.text);
+	const otherHost = props.reply.user.host;
+
+	for (const x of extractMentions(ast)) {
+		const mention = x.host ?
+			`@${x.username}@${toASCII(x.host)}` :
+			(otherHost == null || otherHost === host) ?
+				`@${x.username}` :
+				`@${x.username}@${toASCII(otherHost)}`;
+
+		// 自分は除外
+		if ($i.username === x.username && (x.host == null || x.host === host)) continue;
+
+		// 重複は除外
+		if (text.includes(`${mention} `)) continue;
+
+		text += `${mention} `;
+	}
+}
+
+if (props.channel) {
+	visibility = 'public';
+	localOnly = true; // TODO: チャンネルが連合するようになった折には消す
+}
+
+// 公開以外へのリプライ時は元の公開範囲を引き継ぐ
+if (props.reply && ['home', 'followers', 'specified'].includes(props.reply.visibility)) {
+	if (props.reply.visibility === 'home' && visibility === 'followers') {
+		visibility = 'followers';
+	} else if (['home', 'followers'].includes(props.reply.visibility) && visibility === 'specified') {
+		visibility = 'specified';
+	} else {
+		visibility = props.reply.visibility;
+	}
+
+	if (visibility === 'specified') {
+		if (props.reply.visibleUserIds) {
+			os.api('users/show', {
+				userIds: props.reply.visibleUserIds.filter(uid => uid !== $i.id && uid !== props.reply.userId),
+			}).then(users => {
+				users.forEach(pushVisibleUser);
+			});
+		}
+
+		if (props.reply.userId !== $i.id) {
+			os.api('users/show', { userId: props.reply.userId }).then(user => {
+				pushVisibleUser(user);
+			});
+		}
+	}
+}
+
+if (props.specified) {
+	visibility = 'specified';
+	pushVisibleUser(props.specified);
+}
+
+// keep cw when reply
+if (defaultStore.state.keepCw && props.reply && props.reply.cw) {
+	useCw = true;
+	cw = props.reply.cw;
+}
+
+function watchForDraft() {
+	watch($$(text), () => saveDraft());
+	watch($$(useCw), () => saveDraft());
+	watch($$(cw), () => saveDraft());
+	watch($$(disableRightClick), () => saveDraft());
+	watch($$(poll), () => saveDraft());
+	watch($$(event), () => saveDraft());
+	watch($$(files), () => saveDraft(), { deep: true });
+	watch($$(visibility), () => saveDraft());
+	watch($$(localOnly), () => saveDraft());
+}
+
+function checkMissingMention() {
+	if (visibility === 'specified') {
+		const ast = mfm.parse(text);
+
+		for (const x of extractMentions(ast)) {
+			if (!visibleUsers.some(u => (u.username === x.username) && (u.host === x.host))) {
+				hasNotSpecifiedMentions = true;
+				return;
+			}
+		}
+		hasNotSpecifiedMentions = false;
+	}
+}
+
+function addMissingMention() {
+	const ast = mfm.parse(text);
+
+	for (const x of extractMentions(ast)) {
+		if (!visibleUsers.some(u => (u.username === x.username) && (u.host === x.host))) {
+			os.api('users/show', { username: x.username, host: x.host }).then(user => {
+				visibleUsers.push(user);
+			});
+		}
+	}
+}
+
+function togglePoll() {
+	if (poll) {
+		poll = null;
+	} else {
+		poll = {
+			choices: ['', ''],
+			multiple: false,
+			expiresAt: null,
+			expiredAfter: null,
+		};
+	}
+}
+
+function toggleEvent() {
+	if (event) {
+		event = null;
+	} else {
+		event = {
+			title: '',
+			start: (new Date()).toString(),
+			end: null,
+			metadata: {},
+		};
+	}
+}
+
+function addTag(tag: string) {
+	insertTextAtCursor(textareaEl, ` #${tag} `);
+}
+
+function focus() {
+	if (textareaEl) {
+		textareaEl.focus();
+		textareaEl.setSelectionRange(textareaEl.value.length, textareaEl.value.length);
+	}
+}
+
+function chooseFileFrom(ev) {
+	selectFiles(ev.currentTarget ?? ev.target, i18n.ts.attachFile).then(files_ => {
+		for (const file of files_) {
+			files.push(file);
+		}
+	});
+}
+
+function detachFile(id) {
+	files = files.filter(x => x.id !== id);
+}
+
+function updateFileSensitive(file, sensitive) {
+	files[files.findIndex(x => x.id === file.id)].isSensitive = sensitive;
+}
+
+function updateFileName(file, name) {
+	files[files.findIndex(x => x.id === file.id)].name = name;
+}
+
+function replaceFile(file: Misskey.entities.DriveFile, newFile: Misskey.entities.DriveFile): void {
+	files[files.findIndex(x => x.id === file.id)] = newFile;
+}
+
+function upload(file: File, name?: string): void {
+	uploadFile(file, defaultStore.state.uploadFolder, name).then(res => {
+		files.push(res);
+	});
+}
+
+function setVisibility() {
+	if (props.channel) {
+		visibility = 'public';
+		localOnly = true; // TODO: チャンネルが連合するようになった折には消す
+		return;
+	}
+
+	os.popup(defineAsyncComponent(() => import('@/components/MkVisibilityPicker.vue')), {
+		currentVisibility: visibility,
+		localOnly: localOnly,
+		src: visibilityButton,
+	}, {
+		changeVisibility: v => {
+			visibility = v;
+			if (defaultStore.state.rememberNoteVisibility) {
+				defaultStore.set('visibility', visibility);
+			}
+		},
+	}, 'closed');
+}
+
+async function toggleLocalOnly() {
+	if (props.channel) {
+		visibility = 'public';
+		localOnly = true; // TODO: チャンネルが連合するようになった折には消す
+		return;
+	}
+
+	const neverShowInfo = miLocalStorage.getItem('neverShowLocalOnlyInfo');
+
+	if (!localOnly && neverShowInfo !== 'true') {
+		const confirm = await os.actions({
+			type: 'question',
+			title: i18n.ts.disableFederationConfirm,
+			text: i18n.ts.disableFederationConfirmWarn,
+			actions: [
+				{
+					value: 'yes' as const,
+					text: i18n.ts.disableFederationOk,
+					primary: true,
+				},
+				{
+					value: 'neverShow' as const,
+					text: `${i18n.ts.disableFederationOk} (${i18n.ts.neverShow})`,
+					danger: true,
+				},
+				{
+					value: 'no' as const,
+					text: i18n.ts.cancel,
+				},
+			],
+		});
+		if (confirm.canceled) return;
+		if (confirm.result === 'no') return;
+
+		if (confirm.result === 'neverShow') {
+			miLocalStorage.setItem('neverShowLocalOnlyInfo', 'true');
+		}
+	}
+
+	localOnly = !localOnly;
+}
+
+async function toggleReactionAcceptance() {
+	const select = await os.select({
+		title: i18n.ts.reactionAcceptance,
+		items: [
+			{ value: null, text: i18n.ts.all },
+			{ value: 'likeOnlyForRemote' as const, text: i18n.ts.likeOnlyForRemote },
+			{ value: 'nonSensitiveOnly' as const, text: i18n.ts.nonSensitiveOnly },
+			{ value: 'nonSensitiveOnlyForLocalLikeOnlyForRemote' as const, text: i18n.ts.nonSensitiveOnlyForLocalLikeOnlyForRemote },
+			{ value: 'likeOnly' as const, text: i18n.ts.likeOnly },
+		],
+		default: reactionAcceptance,
+	});
+	if (select.canceled) return;
+	reactionAcceptance = select.result;
+}
+
+function pushVisibleUser(user) {
+	if (!visibleUsers.some(u => u.username === user.username && u.host === user.host)) {
+		visibleUsers.push(user);
+	}
+}
+
+function addVisibleUser() {
+	os.selectUser().then(user => {
+		pushVisibleUser(user);
+
+		if (!text.toLowerCase().includes(`@${user.username.toLowerCase()}`)) {
+			text = `@${Misskey.acct.toString(user)} ${text}`;
+		}
+	});
+}
+
+function removeVisibleUser(user) {
+	visibleUsers = erase(user, visibleUsers);
+}
+
+function clear() {
+	text = '';
+	files = [];
+	poll = null;
+	event = null;
+	quoteId = null;
+}
+
+function onKeydown(ev: KeyboardEvent) {
+	if (defaultStore.state.useEnterToSend && !ev.shiftKey) {
+		if (ev.key === 'Enter' && canPost) post();
+	} else {
+		if (ev.key === 'Enter' && (ev.ctrlKey || ev.metaKey) && canPost) post();
+	}
+
+	if (defaultStore.state.postFormVisibilityHotkey) {
+		if (ev.ctrlKey && ev.shiftKey && (visibility === 'specified')) visibility = 'public';
+		else if (ev.ctrlKey && ev.shiftKey && (visibility === 'public')) visibility = 'home';
+		else if (ev.ctrlKey && ev.shiftKey && (visibility === 'home')) visibility = 'followers';
+		else if (ev.ctrlKey && ev.shiftKey && (visibility === 'followers')) visibility = 'specified';
+		if ((ev.ctrlKey || ev.metaKey) && ev.altKey) localOnly = !localOnly;
+	}
+
+	if (ev.key === 'Escape') emit('esc');
+}
+
+function onCompositionUpdate(ev: CompositionEvent) {
+	imeText = ev.data;
+}
+
+function onCompositionEnd(ev: CompositionEvent) {
+	imeText = '';
+}
+
+async function onPaste(ev: ClipboardEvent) {
+	for (const { item, i } of Array.from(ev.clipboardData.items, (item, i) => ({ item, i }))) {
+		if (item.kind === 'file') {
+			const file = item.getAsFile();
+			const lio = file.name.lastIndexOf('.');
+			const ext = lio >= 0 ? file.name.slice(lio) : '';
+			const formatted = `${formatTimeString(new Date(file.lastModified), defaultStore.state.pastedFileName).replace(/{{number}}/g, `${i + 1}`)}${ext}`;
+			upload(file, formatted);
+		}
+	}
+
+	const paste = ev.clipboardData.getData('text');
+
+	if (!props.renote && !quoteId && paste.startsWith(url + '/notes/')) {
+		ev.preventDefault();
+
+		os.confirm({
+			type: 'info',
+			text: i18n.ts.quoteQuestion,
+		}).then(({ canceled }) => {
+			if (canceled) {
+				insertTextAtCursor(textareaEl, paste);
+				return;
+			}
+
+			quoteId = paste.substring(url.length).match(/^\/notes\/(.+?)\/?$/)[1];
+		});
+	}
+}
+
+function onDragover(ev) {
+	if (!ev.dataTransfer.items[0]) return;
+	const isFile = ev.dataTransfer.items[0].kind === 'file';
+	const isDriveFile = ev.dataTransfer.types[0] === _DATA_TRANSFER_DRIVE_FILE_;
+	if (isFile || isDriveFile) {
+		ev.preventDefault();
+		draghover = true;
+		switch (ev.dataTransfer.effectAllowed) {
+			case 'all':
+			case 'uninitialized':
+			case 'copy':
+			case 'copyLink':
+			case 'copyMove':
+				ev.dataTransfer.dropEffect = 'copy';
+				break;
+			case 'linkMove':
+			case 'move':
+				ev.dataTransfer.dropEffect = 'move';
+				break;
+			default:
+				ev.dataTransfer.dropEffect = 'none';
+				break;
+		}
+	}
+}
+
+function onDragenter(ev) {
+	draghover = true;
+}
+
+function onDragleave(ev) {
+	draghover = false;
+}
+
+function onDrop(ev): void {
+	draghover = false;
+
+	// ファイルだったら
+	if (ev.dataTransfer.files.length > 0) {
+		ev.preventDefault();
+		for (const x of Array.from(ev.dataTransfer.files)) upload(x);
+		return;
+	}
+
+	//#region ドライブのファイル
+	const driveFile = ev.dataTransfer.getData(_DATA_TRANSFER_DRIVE_FILE_);
+	if (driveFile != null && driveFile !== '') {
+		const file = JSON.parse(driveFile);
+		files.push(file);
+		ev.preventDefault();
+	}
+	//#endregion
+}
+
+function saveDraft() {
+	if (props.instant) return;
+
+	const draftData = JSON.parse(miLocalStorage.getItem('drafts') ?? '{}');
+
+	draftData[draftKey] = {
+		updatedAt: new Date(),
+		data: {
+			text: text,
+			useCw: useCw,
+			cw: cw,
+			disableRightClick: disableRightClick,
+			visibility: visibility,
+			localOnly: localOnly,
+			files: files,
+			poll: poll,
+			event: event,
+		},
+	};
+
+	miLocalStorage.setItem('drafts', JSON.stringify(draftData));
+}
+
+function deleteDraft() {
+	const draftData = JSON.parse(miLocalStorage.getItem('drafts') ?? '{}');
+
+	delete draftData[draftKey];
+
+	miLocalStorage.setItem('drafts', JSON.stringify(draftData));
+}
+
+async function post(ev?: MouseEvent) {
+	if (ev) {
+		const el = ev.currentTarget ?? ev.target;
+		const rect = el.getBoundingClientRect();
+		const x = rect.left + (el.offsetWidth / 2);
+		const y = rect.top + (el.offsetHeight / 2);
+		os.popup(MkRippleEffect, { x, y }, {}, 'end');
+	}
+
+	const annoying =
+		text.includes('$[x2') ||
+		text.includes('$[x3') ||
+		text.includes('$[x4') ||
+		text.includes('$[scale') ||
+		text.includes('$[position');
+
+	if (annoying && visibility === 'public') {
+		const { canceled, result } = await os.actions({
+			type: 'warning',
+			text: i18n.ts.thisPostMayBeAnnoying,
+			actions: [{
+				value: 'home',
+				text: i18n.ts.thisPostMayBeAnnoyingHome,
+				primary: true,
+			}, {
+				value: 'cancel',
+				text: i18n.ts.thisPostMayBeAnnoyingCancel,
+			}, {
+				value: 'ignore',
+				text: i18n.ts.thisPostMayBeAnnoyingIgnore,
+			}],
+		});
+
+		if (canceled) return;
+		if (result === 'cancel') return;
+		if (result === 'home') {
+			visibility = 'home';
+		}
+	}
+
+	let postData = {
+		text: text === '' ? undefined : text,
+		fileIds: files.length > 0 ? files.map(f => f.id) : undefined,
+		replyId: props.reply ? props.reply.id : undefined,
+		renoteId: props.renote ? props.renote.id : quoteId ? quoteId : undefined,
+		channelId: props.channel ? props.channel.id : undefined,
+		poll: poll,
+		event: event,
+		cw: useCw ? cw ?? '' : undefined,
+		localOnly: localOnly,
+		visibility: visibility,
+		visibleUserIds: visibility === 'specified' ? visibleUsers.map(u => u.id) : undefined,
+		reactionAcceptance,
+		disableRightClick: disableRightClick,
+	};
+
+	if (withHashtags && hashtags && hashtags.trim() !== '') {
+		const hashtags_ = hashtags.trim().split(' ').map(x => x.startsWith('#') ? x : '#' + x).join(' ');
+		postData.text = postData.text ? `${postData.text} ${hashtags_}` : hashtags_;
+	}
+
+	// plugin
+	if (notePostInterruptors.length > 0) {
+		for (const interruptor of notePostInterruptors) {
+			postData = await interruptor.handler(deepClone(postData));
+		}
+	}
+
+	let token = undefined;
+
+	if (postAccount) {
+		const storedAccounts = await getAccounts();
+		token = storedAccounts.find(x => x.id === postAccount.id)?.token;
+	}
+
+	posting = true;
+	os.api('notes/create', postData, token).then(() => {
+		if (props.freezeAfterPosted) {
+			posted = true;
+		} else {
+			clear();
+		}
+		nextTick(() => {
+			deleteDraft();
+			emit('posted');
+			os.noteToast(i18n.ts.posted);
+			if (postData.text && postData.text !== '') {
+				const hashtags_ = mfm.parse(postData.text).filter(x => x.type === 'hashtag').map(x => x.props.hashtag);
+				const history = JSON.parse(miLocalStorage.getItem('hashtags') ?? '[]') as string[];
+				miLocalStorage.setItem('hashtags', JSON.stringify(unique(hashtags_.concat(history))));
+			}
+			posting = false;
+			postAccount = null;
+
+			incNotesCount();
+			if (notesCount === 1) {
+				claimAchievement('notes1');
+			}
+
+			const text = postData.text ?? '';
+			const lowerCase = text.toLowerCase();
+			if ((lowerCase.includes('love') || lowerCase.includes('❤')) && lowerCase.includes('cherrypick')) {
+				claimAchievement('iLoveCherryPick');
+			}
+			if ([
+				'https://youtu.be/Efrlqw8ytg4',
+				'https://www.youtube.com/watch?v=Efrlqw8ytg4',
+				'https://m.youtube.com/watch?v=Efrlqw8ytg4',
+
+				'https://youtu.be/XVCwzwxdHuA',
+				'https://www.youtube.com/watch?v=XVCwzwxdHuA',
+				'https://m.youtube.com/watch?v=XVCwzwxdHuA',
+
+				'https://open.spotify.com/track/3Cuj0mZrlLoXx9nydNi7RB',
+				'https://open.spotify.com/track/7anfcaNPQWlWCwyCHmZqNy',
+				'https://open.spotify.com/track/5Odr16TvEN4my22K9nbH7l',
+				'https://open.spotify.com/album/5bOlxyl4igOrp2DwVQxBco',
+			].some(url => text.includes(url))) {
+				claimAchievement('brainDiver');
+			}
+
+			if (props.renote && (props.renote.userId === $i.id) && text.length > 0) {
+				claimAchievement('selfQuote');
+			}
+
+			const date = new Date();
+			const h = date.getHours();
+			const m = date.getMinutes();
+			const s = date.getSeconds();
+			if (h >= 0 && h <= 3) {
+				claimAchievement('postedAtLateNight');
+			}
+			if (m === 0 && s === 0) {
+				claimAchievement('postedAt0min0sec');
+			}
+		});
+	}).catch(err => {
+		posting = false;
+		os.alert({
+			type: 'error',
+			text: err.message + '\n' + (err as any).id,
+		});
+	});
+}
+
+function cancel() {
+	emit('cancel');
+}
+
+function insertMention() {
+	os.selectUser().then(user => {
+		insertTextAtCursor(textareaEl, '@' + Misskey.acct.toString(user) + ' ');
+	});
+}
+
+async function insertEmoji(ev: MouseEvent) {
+	os.openEmojiPicker(ev.currentTarget ?? ev.target, {}, textareaEl);
+}
+
+function showActions(ev) {
+	os.popupMenu(postFormActions.map(action => ({
+		text: action.title,
+		action: () => {
+			action.handler({
+				text: text,
+			}, (key, value) => {
+				if (key === 'text') { text = value; }
+			});
+		},
+	})), ev.currentTarget ?? ev.target);
+}
+
+async function openMfmCheatSheet() {
+	os.popup(defineAsyncComponent(() => import('@/components/MkMfmCheatSheetDialog.vue')), {}, {}, 'closed');
+}
+
+let postAccount = $ref<Misskey.entities.UserDetailed | null>(null);
+
+function openAccountMenu(ev: MouseEvent) {
+	openAccountMenu_({
+		withExtraOperation: false,
+		includeCurrentAccount: true,
+		active: postAccount != null ? postAccount.id : $i.id,
+		onChoose: (account) => {
+			if (account.id === $i.id) {
+				postAccount = null;
+			} else {
+				postAccount = account;
+			}
+		},
+	}, ev);
+}
+
+onMounted(() => {
+	if (props.autofocus) {
+		focus();
+
+		nextTick(() => {
+			focus();
+		});
+	}
+
+  autosize(textareaEl);
+
+	// TODO: detach when unmount
+	new Autocomplete(textareaEl, $$(text));
+	new Autocomplete(cwInputEl, $$(cw));
+	new Autocomplete(hashtagsInputEl, $$(hashtags));
+
+	nextTick(() => {
+		// 書きかけの投稿を復元
+		if (!props.instant && !props.mention && !props.specified) {
+			const draft = JSON.parse(miLocalStorage.getItem('drafts') ?? '{}')[draftKey];
+			if (draft) {
+				text = draft.data.text;
+				useCw = draft.data.useCw;
+				cw = draft.data.cw;
+				disableRightClick = draft.data.disableRightClick;
+				visibility = draft.data.visibility;
+				localOnly = draft.data.localOnly;
+				files = (draft.data.files || []).filter(draftFile => draftFile);
+				if (draft.data.poll) {
+					poll = draft.data.poll;
+				}
+				if (draft.data.event) {
+					event = draft.data.event;
+				}
+			}
+		}
+
+		// 削除して編集
+		if (props.initialNote) {
+			const init = props.initialNote;
+			text = init.text ? init.text : '';
+			files = init.files;
+			cw = init.cw;
+			useCw = init.cw != null;
+			if (init.poll) {
+				poll = {
+					choices: init.poll.choices.map(x => x.text),
+					multiple: init.poll.multiple,
+					expiresAt: init.poll.expiresAt,
+					expiredAfter: init.poll.expiredAfter,
+				};
+			}
+			if (init.event) {
+				event = {
+					title: init.event.title,
+					start: init.event.start,
+					end: init.event.end,
+					metadata: init.event.metadata,
+				};
+			}
+			visibility = init.visibility;
+			localOnly = init.localOnly;
+			quoteId = init.renote ? init.renote.id : null;
+			disableRightClick = init.disableRightClick != null;
+		}
+
+		nextTick(() => watchForDraft());
+	});
+});
+
+defineExpose({
+	clear,
+});
+</script>
+
+<style lang="scss" module>
+.root {
+	position: relative;
+	container-type: inline-size;
+	max-width: 800px;
+
+	&.modal {
+		width: 100%;
+		max-width: 640px;
+	}
+}
+
+//#region header
+.header {
+	z-index: 1000;
+	min-height: 50px;
+	display: flex;
+	flex-wrap: nowrap;
+	gap: 4px;
+	padding: 8px 12px;
+}
+
+.headerLeft {
+	display: flex;
+	flex: 0 1 100px;
+}
+
+.account {
+	height: 100%;
+	display: inline-flex;
+	vertical-align: bottom;
+	flex: 0 1 50px;
+  margin: 0 0 0 12px;
+}
+
+.avatar {
+	width: 28px;
+	height: 28px;
+	margin: auto 0;
+}
+
+.headerRight {
+	display: flex;
+	min-height: 48px;
+	font-size: 0.9em;
+	flex-wrap: nowrap;
+	align-items: center;
+	margin-left: auto;
+	gap: 4px;
+	overflow: clip;
+	padding-left: 4px;
+}
+
+.submit {
+	margin: 12px 12px 12px 6px;
+	vertical-align: bottom;
+
+	&:disabled {
+		opacity: 0.7;
+	}
+
+	&.posting {
+		cursor: wait;
+	}
+
+	&:not(:disabled):hover {
+		> .inner {
+			background: linear-gradient(90deg, var(--X8), var(--X8));
+		}
+	}
+
+	&:not(:disabled):active {
+		> .inner {
+			background: linear-gradient(90deg, var(--X8), var(--X8));
+		}
+	}
+}
+
+.submitInner {
+	padding: 0 12px;
+	line-height: 34px;
+	font-weight: bold;
+	border-radius: 6px;
+	min-width: 90px;
+	box-sizing: border-box;
+	color: var(--fgOnAccent);
+	background: linear-gradient(90deg, var(--buttonGradateA), var(--buttonGradateB));
+}
+
+.headerRightItem {
+	margin: 0;
+	padding: 8px;
+	border-radius: 6px;
+
+	&:hover {
+		background: var(--X5);
+	}
+
+	&:disabled {
+		background: none;
+	}
+
+	&.danger {
+		color: #ff2a2a;
+	}
+}
+
+.headerRightButtonText {
+	padding-left: 6px;
+}
+
+.visibility {
+	overflow: clip;
+    text-overflow: ellipsis;
+    white-space: nowrap;
+
+	&:enabled {
+		> .headerRightButtonText {
+			opacity: 0.8;
+		}
+	}
+}
+//#endregion
+
+.preview {
+	padding: 16px 20px 0 20px;
+	max-height: 150px;
+	overflow: auto;
+  margin: 16px 8px;
+}
+
+.withQuote {
+	margin: 0 0 8px 0;
+	color: var(--accent);
+}
+
+.toSpecified {
+	padding: 6px 30px;
+	margin-bottom: 8px;
+	overflow: auto;
+	white-space: nowrap;
+}
+
+.visibleUsers {
+	display: inline;
+	top: -1px;
+	font-size: 14px;
+}
+
+.visibleUser {
+	margin-right: 14px;
+	padding: 8px 0 8px 8px;
+	border-radius: 8px;
+	background: var(--X4);
+}
+
+.hasNotSpecifiedMentions {
+	margin: 0 20px 16px 20px;
+}
+
+.cw,
+.hashtags,
+.text {
+	display: block;
+	box-sizing: border-box;
+	padding: 0 30px;
+	margin: 0;
+	width: 100%;
+	font-size: 16px;
+	border: none;
+	border-radius: 0;
+	background: transparent;
+	color: var(--fg);
+	font-family: inherit;
+
+	&:focus {
+		outline: none;
+	}
+
+	&:disabled {
+		opacity: 0.5;
+	}
+}
+
+.cw {
+	z-index: 1;
+	padding-bottom: 8px;
+	border-bottom: solid 0.5px var(--divider);
+}
+
+.hashtags {
+	z-index: 1;
+	padding-top: 8px;
+	padding-bottom: 8px;
+	border-top: solid 0.5px var(--divider);
+}
+
+.textOuter {
+	width: 100%;
+	position: relative;
+
+	&.withCw {
+		padding-top: 8px;
+	}
+}
+
+.text {
+	max-width: 100%;
+	min-width: 100%;
+	width: 100%;
+  min-height: 35px;
+	height: 100%;
+  resize: none;
+}
+
+.textCount {
+	position: absolute;
+	top: 0;
+	right: 2px;
+	padding: 4px 6px;
+	font-size: .9em;
+	color: var(--warn);
+	border-radius: 6px;
+	min-width: 1.6em;
+	text-align: center;
+
+	&.textOver {
+		color: #ff2a2a;
+	}
+}
+
+.footer {
+	display: flex;
+	padding: 0 16px 16px 16px;
+	font-size: 1em;
+}
+
+.footerLeft {
+	flex: 1;
+	display: grid;
+	grid-auto-flow: row;
+	grid-template-columns: repeat(auto-fill, minmax(42px, 1fr));
+	grid-auto-rows: 40px;
+}
+
+.footerRight {
+	flex: 0;
+	margin-left: auto;
+	display: grid;
+	grid-auto-flow: row;
+	grid-template-columns: repeat(auto-fill, minmax(42px, 1fr));
+	grid-auto-rows: 40px;
+	direction: rtl;
+}
+
+.footerButton {
+	display: inline-block;
+	padding: 0;
+	margin: 0;
+	font-size: 1em;
+	width: auto;
+	height: 100%;
+	border-radius: 6px;
+
+	&:hover {
+		background: var(--X5);
+	}
+
+	&.footerButtonActive {
+		color: var(--accent);
+	}
+}
+
+.previewButtonActive {
+	color: var(--accent);
+}
+
+@container (max-width: 500px) {
+	.header {
+		padding: 4px;
+	}
+
+	.headerRight {
+		font-size: .9em;
+	}
+
+	.headerRightButtonText {
+		display: none;
+	}
+
+	.visibility {
+		overflow: initial;
+	}
+
+	.submit {
+		margin: 8px 8px 8px 4px;
+	}
+
+	.toSpecified {
+		padding: 6px 22px;
+	}
+
+	.preview {
+		padding: 16px 14px 0 14px;
+	}
+
+	.cw,
+	.hashtags,
+	.text {
+		// padding: 0 16px;
+	}
+
+	.cw {
+		padding: 0 22px 8px;
+	}
+
+	.hashtags {
+		padding: 8px 22px;
+	}
+
+	.text {
+		min-height: 120px;
+		padding: 0 22px;
+	}
+
+	.footer {
+		padding: 0 8px 8px 8px;
+	}
+}
+
+@container (max-width: 350px) {
+	.footer {
+		font-size: 0.9em;
+	}
+
+	.footerLeft {
+		grid-template-columns: repeat(auto-fill, minmax(38px, 1fr));
+	}
+
+	.footerRight {
+		grid-template-columns: repeat(auto-fill, minmax(38px, 1fr));
+	}
+
+	.headerRight {
+		gap: 0;
+	}
+}
+</style>
diff --git a/packages/frontend/src/pages/settings/general.vue b/packages/frontend/src/pages/settings/general.vue
index 2e47289065..117bc3227c 100644
--- a/packages/frontend/src/pages/settings/general.vue
+++ b/packages/frontend/src/pages/settings/general.vue
@@ -71,6 +71,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 				<MkSwitch v-model="enableAbsoluteTime">{{ i18n.ts.enableAbsoluteTime }} <span class="_beta">CherryPick</span></MkSwitch>
 				<MkSwitch v-model="enableMarkByDate" :disabled="defaultStore.state.enableAbsoluteTime">{{ i18n.ts.enableMarkByDate }} <span class="_beta">CherryPick</span></MkSwitch>
 				<MkSwitch v-model="showSubNoteFooterButton">{{ i18n.ts.showSubNoteFooterButton }}<template #caption>{{ i18n.ts.showSubNoteFooterButtonDescription }}</template> <span class="_beta">CherryPick</span></MkSwitch>
+				<MkSwitch v-model="showFixedPostFormInReplies">{{ i18n.ts.showFixedPostFormInReplies }}<template #caption>{{ i18n.ts.showFixedPostFormInRepliesDescription }}</template> <span class="_beta">CherryPick</span></MkSwitch>
 			</div>
 
 			<MkSelect v-model="instanceTicker">
@@ -352,6 +353,7 @@ const showTranslateButtonInNote = computed(defaultStore.makeGetterSetter('showTr
 const enableAbsoluteTime = computed(defaultStore.makeGetterSetter('enableAbsoluteTime'));
 const enableMarkByDate = computed(defaultStore.makeGetterSetter('enableMarkByDate'));
 const showSubNoteFooterButton = computed(defaultStore.makeGetterSetter('showSubNoteFooterButton'));
+const showFixedPostFormInReplies = computed(defaultStore.makeGetterSetter('showFixedPostFormInReplies'));
 
 watch(lang, () => {
 	miLocalStorage.setItem('lang', lang.value as string);
@@ -404,6 +406,7 @@ watch([
 	enableAbsoluteTime,
 	enableMarkByDate,
 	showSubNoteFooterButton,
+	showFixedPostFormInReplies,
 ], async () => {
 	await reloadAsk();
 });
diff --git a/packages/frontend/src/store.ts b/packages/frontend/src/store.ts
index 05fe9b2a71..b211a6f011 100644
--- a/packages/frontend/src/store.ts
+++ b/packages/frontend/src/store.ts
@@ -166,6 +166,10 @@ export const defaultStore = markRaw(new Storage('base', {
 		where: 'device',
 		default: false,
 	},
+	showPreviewInReplies: {
+		where: 'device',
+		default: false,
+	},
 	statusbars: {
 		where: 'deviceAccount',
 		default: [] as {
@@ -433,6 +437,10 @@ export const defaultStore = markRaw(new Storage('base', {
 		where: 'device',
 		default: true,
 	},
+	showFixedPostFormInReplies: {
+		where: 'device',
+		default: true,
+	},
 
 	// - Settings/Timeline
 	enableHomeTimeline: {