diff --git a/packages/client/src/components/dialog.vue b/packages/client/src/components/dialog.vue
index 4da59393e8..90cac9b5ea 100644
--- a/packages/client/src/components/dialog.vue
+++ b/packages/client/src/components/dialog.vue
@@ -1,5 +1,5 @@
 <template>
-<MkModal ref="modal" :front="true" @click="done(true)" @closed="$emit('closed')">
+<MkModal ref="modal" :prefer-type="'dialog'" :front="true" @click="done(true)" @closed="$emit('closed')">
 	<div class="mk-dialog">
 		<div v-if="icon" class="icon">
 			<i :class="icon"></i>
diff --git a/packages/client/src/components/emoji-picker-dialog.vue b/packages/client/src/components/emoji-picker-dialog.vue
index c1a9f73bcc..f4b040c049 100644
--- a/packages/client/src/components/emoji-picker-dialog.vue
+++ b/packages/client/src/components/emoji-picker-dialog.vue
@@ -1,17 +1,17 @@
 <template>
-<MkPopup ref="popup" v-slot="{ point, close }" :manual-showing="manualShowing" :src="src" :front="true" @click="close()" @opening="opening" @close="$emit('close')" @closed="$emit('closed')">
-	<MkEmojiPicker ref="picker" class="ryghynhb _popup _shadow" :class="{ pointer: point === 'top' }" :show-pinned="showPinned" :as-reaction-picker="asReactionPicker" @chosen="chosen"/>
-</MkPopup>
+<MkModal ref="modal" v-slot="{ type, maxHeight }" :manual-showing="manualShowing" :src="src" :front="true" @click="$refs.modal.close()" @opening="opening" @close="$emit('close')" @closed="$emit('closed')">
+	<MkEmojiPicker ref="picker" class="ryghynhb _popup _shadow" :class="{ drawer: type === 'drawer' }" :show-pinned="showPinned" :as-reaction-picker="asReactionPicker" :as-drawer="type === 'drawer'" :max-height="maxHeight" @chosen="chosen"/>
+</MkModal>
 </template>
 
 <script lang="ts">
 import { defineComponent, markRaw } from 'vue';
-import MkPopup from '@/components/ui/popup.vue';
+import MkModal from '@/components/ui/modal.vue';
 import MkEmojiPicker from '@/components/emoji-picker.vue';
 
 export default defineComponent({
 	components: {
-		MkPopup,
+		MkModal,
 		MkEmojiPicker,
 	},
 
@@ -44,7 +44,7 @@ export default defineComponent({
 	methods: {
 		chosen(emoji: any) {
 			this.$emit('done', emoji);
-			this.$refs.popup.close();
+			this.$refs.modal.close();
 		},
 
 		opening() {
@@ -57,20 +57,10 @@ export default defineComponent({
 
 <style lang="scss" scoped>
 .ryghynhb {
-	&.pointer {
-		&:before {
-			--size: 8px;
-			content: '';
-			display: block;
-			position: absolute;
-			top: calc(0px - (var(--size) * 2));
-			left: 0;
-			right: 0;
-			width: 0;
-			margin: auto;
-			border: solid var(--size) transparent;
-			border-bottom-color: var(--popup);
-		}
+	&.drawer {
+		border-radius: 24px;
+		border-bottom-right-radius: 0;
+		border-bottom-left-radius: 0;
 	}
 }
 </style>
diff --git a/packages/client/src/components/emoji-picker.vue b/packages/client/src/components/emoji-picker.vue
index 180aff87ac..de2f101375 100644
--- a/packages/client/src/components/emoji-picker.vue
+++ b/packages/client/src/components/emoji-picker.vue
@@ -1,5 +1,5 @@
 <template>
-<div class="omfetrab" :class="['w' + width, 'h' + height, { big }]">
+<div class="omfetrab" :class="['w' + width, 'h' + height, { big, asDrawer }]" :style="{ maxHeight: maxHeight ? maxHeight + 'px' : null }">
 	<input ref="search" v-model.trim="q" class="search" data-prevent-emoji-insert :class="{ filled: q != null && q != '' }" :placeholder="$ts.search" @paste.stop="paste" @keyup.enter="done()">
 	<div ref="emojis" class="emojis">
 		<section class="result">
@@ -92,9 +92,17 @@ export default defineComponent({
 	props: {
 		showPinned: {
 			required: false,
-			default: true
+			default: true,
 		},
 		asReactionPicker: {
+			required: false,
+		},
+		maxHeight: {
+			type: Number,
+			required: false,
+		},
+		asDrawer: {
+			type: Boolean,
 			required: false
 		},
 	},
@@ -353,26 +361,53 @@ export default defineComponent({
 
 	&.w1 {
 		width: calc((var(--eachSize) * 5) + (#{$pad} * 2));
+		--columns: 1fr 1fr 1fr 1fr 1fr;
 	}
 
 	&.w2 {
 		width: calc((var(--eachSize) * 6) + (#{$pad} * 2));
+		--columns: 1fr 1fr 1fr 1fr 1fr 1fr;
 	}
 
 	&.w3 {
 		width: calc((var(--eachSize) * 7) + (#{$pad} * 2));
+		--columns: 1fr 1fr 1fr 1fr 1fr 1fr 1fr;
 	}
 
 	&.h1 {
-		--height: calc((var(--eachSize) * 4) + (#{$pad} * 2));
+		height: calc((var(--eachSize) * 4) + (#{$pad} * 2));
 	}
 
 	&.h2 {
-		--height: calc((var(--eachSize) * 6) + (#{$pad} * 2));
+		height: calc((var(--eachSize) * 6) + (#{$pad} * 2));
 	}
 
 	&.h3 {
-		--height: calc((var(--eachSize) * 8) + (#{$pad} * 2));
+		height: calc((var(--eachSize) * 8) + (#{$pad} * 2));
+	}
+
+	&.asDrawer {
+		width: 100% !important;
+
+		> .emojis {
+			::v-deep(section) {
+				> div {
+					display: grid;
+					grid-template-columns: var(--columns);
+
+					> button {
+						aspect-ratio: 1 / 1;
+						width: auto;
+						height: auto;
+						min-width: 0;
+
+						> * {
+							font-size: 30px;
+						}
+					}
+				}
+			}
+		}
 	}
 
 	> .search {
@@ -409,7 +444,7 @@ export default defineComponent({
 	}
 
 	> .emojis {
-		height: var(--height);
+		height: 100%;
 		overflow-y: auto;
 		overflow-x: hidden;
 
diff --git a/packages/client/src/components/launch-pad.vue b/packages/client/src/components/launch-pad.vue
index 8fe72c5f8c..9076cfb39f 100644
--- a/packages/client/src/components/launch-pad.vue
+++ b/packages/client/src/components/launch-pad.vue
@@ -1,5 +1,5 @@
 <template>
-<MkModal ref="modal" @click="$refs.modal.close()" @closed="$emit('closed')">
+<MkModal ref="modal" :prefer-type="'dialog'" @click="$refs.modal.close()" @closed="$emit('closed')">
 	<div class="szkkfdyq _popup">
 		<div class="main">
 			<template v-for="item in items">
diff --git a/packages/client/src/components/post-form-dialog.vue b/packages/client/src/components/post-form-dialog.vue
index b8b357bcde..dc4e842059 100644
--- a/packages/client/src/components/post-form-dialog.vue
+++ b/packages/client/src/components/post-form-dialog.vue
@@ -1,5 +1,5 @@
 <template>
-<MkModal ref="modal" :position="'top'" @click="$refs.modal.close()" @closed="$emit('closed')">
+<MkModal ref="modal" :prefer-type="'dialog:top'" @click="$refs.modal.close()" @closed="$emit('closed')">
 	<MkPostForm v-bind="$attrs" @posted="$refs.modal.close()" @cancel="$refs.modal.close()" @esc="$refs.modal.close()"/>
 </MkModal>
 </template>
diff --git a/packages/client/src/components/ui/menu.vue b/packages/client/src/components/ui/menu.vue
index 687ce5e548..fde199bc6b 100644
--- a/packages/client/src/components/ui/menu.vue
+++ b/packages/client/src/components/ui/menu.vue
@@ -1,8 +1,8 @@
 <template>
 <div ref="items" v-hotkey="keymap"
 	class="rrevdjwt"
-	:class="{ center: align === 'center' }"
-	:style="{ width: width ? width + 'px' : null, maxHeight: maxHeight ? maxHeight + 'px' : null }"
+	:class="{ center: align === 'center', asDrawer }"
+	:style="{ width: (width && !asDrawer) ? width + 'px' : null, maxHeight: maxHeight ? maxHeight + 'px' : null }"
 	@contextmenu.self="e => e.preventDefault()"
 >
 	<template v-for="(item, i) in items2">
@@ -56,6 +56,10 @@ export default defineComponent({
 			type: Boolean,
 			required: false
 		},
+		asDrawer: {
+			type: Boolean,
+			required: false
+		},
 		align: {
 			type: String,
 			requried: false
@@ -279,5 +283,29 @@ export default defineComponent({
 		height: 1px;
 		background: var(--divider);
 	}
+
+	&.asDrawer {
+		padding: 12px 0;
+		width: 100%;
+
+		> .item {
+			font-size: 1em;
+			padding: 12px 24px;
+
+			&:before {
+				width: calc(100% - 24px);
+				border-radius: 12px;
+			}
+
+			> i {
+				margin-right: 14px;
+				width: 24px;
+			}
+		}
+
+		> .divider {
+			margin: 12px 0;
+		}
+	}
 }
 </style>
diff --git a/packages/client/src/components/ui/modal-window.vue b/packages/client/src/components/ui/modal-window.vue
index 61c2afe1ec..b4b8c2b965 100644
--- a/packages/client/src/components/ui/modal-window.vue
+++ b/packages/client/src/components/ui/modal-window.vue
@@ -1,5 +1,5 @@
 <template>
-<MkModal ref="modal" @click="$emit('click')" @closed="$emit('closed')">
+<MkModal ref="modal" :prefer-type="'dialog'" @click="$emit('click')" @closed="$emit('closed')">
 	<div class="ebkgoccj _window _narrow_" :style="{ width: `${width}px`, height: scroll ? (height ? `${height}px` : null) : (height ? `min(${height}px, 100%)` : '100%') }" @keydown="onKeydown">
 		<div class="header">
 			<button v-if="withOkButton" class="_button" @click="$emit('close')"><i class="fas fa-times"></i></button>
diff --git a/packages/client/src/components/ui/modal.vue b/packages/client/src/components/ui/modal.vue
index 5fae1894e3..db390e0944 100644
--- a/packages/client/src/components/ui/modal.vue
+++ b/packages/client/src/components/ui/modal.vue
@@ -1,17 +1,18 @@
 <template>
-<transition :name="$store.state.animation ? popup ? 'modal-popup' : 'modal' : ''" :duration="$store.state.animation ? popup ? 500 : 300 : 0" appear @after-leave="onClosed" @enter="$emit('opening')" @after-enter="childRendered">
-	<div v-show="manualShowing != null ? manualShowing : showing" v-hotkey.global="keymap" class="qzhlnise" :style="{ pointerEvents: (manualShowing != null ? manualShowing : showing) ? 'auto' : 'none', '--transformOrigin': transformOrigin }">
+<transition :name="$store.state.animation ? (type === 'drawer') ? 'modal-drawer' : (type === 'popup') ? 'modal-popup' : 'modal' : ''" :duration="$store.state.animation ? 200 : 0" appear @after-leave="$emit('closed')" @enter="$emit('opening')" @after-enter="childRendered">
+	<div v-show="manualShowing != null ? manualShowing : showing" v-hotkey.global="keymap" class="qzhlnise" :class="{ drawer: type === 'drawer', dialog: type === 'dialog' || type === 'dialog:top', popup: type === 'popup' }" :style="{ zIndex, pointerEvents: (manualShowing != null ? manualShowing : showing) ? 'auto' : 'none', '--transformOrigin': transformOrigin }">
 		<div class="bg _modalBg" :style="{ zIndex }" @click="onBgClick" @contextmenu.prevent.stop="() => {}"></div>
-		<div ref="content" class="content" :class="{ popup, fixed, top: position === 'top' }" :style="{ zIndex }" @click.self="onBgClick">
-			<slot></slot>
+		<div ref="content" class="content" :class="{ fixed, top: type === 'dialog:top' }" :style="{ zIndex }" @click.self="onBgClick">
+			<slot :max-height="maxHeight" :type="type"></slot>
 		</div>
 	</div>
 </transition>
 </template>
 
 <script lang="ts">
-import { defineComponent } from 'vue';
+import { defineComponent, nextTick, onMounted, computed, PropType, ref, watch } from 'vue';
 import * as os from '@/os';
+import { isTouchUsing } from '@/scripts/touch';
 
 function getFixedContainer(el: Element | null): Element | null {
 	if (el == null || el.tagName === 'BODY') return null;
@@ -27,6 +28,7 @@ export default defineComponent({
 	provide: {
 		modal: true
 	},
+
 	props: {
 		manualShowing: {
 			type: Boolean,
@@ -38,61 +40,81 @@ export default defineComponent({
 			required: false
 		},
 		src: {
+			type: Object as PropType<HTMLElement>,
 			required: false,
+			default: null,
 		},
-		position: {
-			required: false
+		preferType: {
+			required: false,
+			type: String,
+			default: 'auto',
 		},
 		front: {
 			type: Boolean,
 			required: false,
 			default: false,
-		}
-	},
-	emits: ['opening', 'click', 'esc', 'close', 'closed'],
-	data() {
-		return {
-			zIndex: os.claimZIndex(this.front),
-			showing: true,
-			fixed: false,
-			transformOrigin: 'center',
-			contentClicking: false,
-		};
-	},
-	computed: {
-		keymap(): any {
-			return {
-				'esc': () => this.$emit('esc'),
-			};
 		},
-		popup(): boolean {
-			return this.src != null;
-		}
+		noOverlap: {
+			type: Boolean,
+			required: false,
+			default: true,
+		},
 	},
-	mounted() {
-		this.$watch('src', () => {
-			this.fixed = getFixedContainer(this.src) != null;
-			this.$nextTick(() => {
-				this.align();
-			});
-		}, { immediate: true });
 
-		this.$nextTick(() => {
-			const popover = this.$refs.content as any;
-			new ResizeObserver((entries, observer) => {
-				this.align();
-			}).observe(popover);
+	emits: ['opening', 'click', 'esc', 'close', 'closed'],
+
+	setup(props, context) {
+		const maxHeight = ref<number>();
+		const fixed = ref(false);
+		const transformOrigin = ref('center');
+		const showing = ref(true);
+		const content = ref<HTMLElement>();
+		const zIndex = os.claimZIndex(props.front);
+		const type = computed(() => {
+			if (props.preferType === 'auto') {
+				if (isTouchUsing && window.innerWidth < 500 && window.innerHeight < 1000) {
+					return 'drawer';
+				} else {
+					return props.src != null ? 'popup' : 'dialog';
+				}
+			} else {
+				return props.preferType;
+			}
 		});
-	},
-	methods: {
-		align() {
-			if (!this.popup) return;
+		
+		let contentClicking = false;
 
-			const popover = this.$refs.content as any;
+		const close = () => {
+			// eslint-disable-next-line vue/no-mutating-props
+			if (props.src) props.src.style.pointerEvents = 'auto';
+			showing.value = false;
+			context.emit('close');
+		};
+
+		const onBgClick = () => {
+			if (contentClicking) return;
+			context.emit('click');
+		};
+
+		if (type.value === 'drawer') {
+			maxHeight.value = 300;
+		}
+
+		const keymap = {
+			'esc': () => context.emit('esc'),
+		};
+
+		const MARGIN = 16;
+
+		const align = () => {
+			if (props.src == null) return;
+			if (type.value === 'drawer') return;
+
+			const popover = content.value!;
 
 			if (popover == null) return;
 
-			const rect = this.src.getBoundingClientRect();
+			const rect = props.src.getBoundingClientRect();
 			
 			const width = popover.offsetWidth;
 			const height = popover.offsetHeight;
@@ -100,102 +122,143 @@ export default defineComponent({
 			let left;
 			let top;
 
-			if (this.srcCenter) {
-				const x = rect.left + (this.fixed ? 0 : window.pageXOffset) + (this.src.offsetWidth / 2);
-				const y = rect.top + (this.fixed ? 0 : window.pageYOffset) + (this.src.offsetHeight / 2);
+			if (props.srcCenter) {
+				const x = rect.left + (fixed.value ? 0 : window.pageXOffset) + (props.src.offsetWidth / 2);
+				const y = rect.top + (fixed.value ? 0 : window.pageYOffset) + (props.src.offsetHeight / 2);
 				left = (x - (width / 2));
 				top = (y - (height / 2));
 			} else {
-				const x = rect.left + (this.fixed ? 0 : window.pageXOffset) + (this.src.offsetWidth / 2);
-				const y = rect.top + (this.fixed ? 0 : window.pageYOffset) + this.src.offsetHeight;
+				const x = rect.left + (fixed.value ? 0 : window.pageXOffset) + (props.src.offsetWidth / 2);
+				const y = rect.top + (fixed.value ? 0 : window.pageYOffset) + props.src.offsetHeight;
 				left = (x - (width / 2));
 				top = y;
 			}
 
-			if (this.fixed) {
+			if (fixed.value) {
+				// 画面から横にはみ出る場合
 				if (left + width > window.innerWidth) {
 					left = window.innerWidth - width;
 				}
 
-				if (top + height > window.innerHeight) {
-					top = window.innerHeight - height;
+				// 画面から縦にはみ出る場合
+				if (top + height > (window.innerHeight - MARGIN)) {
+					if (props.noOverlap) {
+						const underSpace = (window.innerHeight - MARGIN) - top;
+						const upperSpace = (rect.top - MARGIN);
+						if (underSpace >= (upperSpace / 3)) {
+							maxHeight.value =  underSpace;
+						} else {
+							maxHeight.value =  upperSpace;
+							top = (upperSpace + MARGIN) - height;
+						}
+					} else {
+						top = (window.innerHeight - MARGIN) - height;
+					}
 				}
 			} else {
+				// 画面から横にはみ出る場合
 				if (left + width - window.pageXOffset > window.innerWidth) {
 					left = window.innerWidth - width + window.pageXOffset - 1;
 				}
 
-				if (top + height - window.pageYOffset > window.innerHeight) {
-					top = window.innerHeight - height + window.pageYOffset - 1;
+				// 画面から縦にはみ出る場合
+				if (top + height - window.pageYOffset > (window.innerHeight - MARGIN)) {
+					if (props.noOverlap) {
+						const underSpace = (window.innerHeight - MARGIN) - (top - window.pageYOffset);
+						const upperSpace = (rect.top - MARGIN);
+						if (underSpace >= (upperSpace / 3)) {
+							maxHeight.value =  underSpace;
+						} else {
+							maxHeight.value =  upperSpace;
+							top = window.pageYOffset + ((upperSpace + MARGIN) - height);
+						}
+					} else {
+						top = (window.innerHeight - MARGIN) - height + window.pageYOffset - 1;
+					}
 				}
 			}
 
 			if (top < 0) {
-				top = 0;
+				top = MARGIN;
 			}
 
 			if (left < 0) {
 				left = 0;
 			}
 
-			if (top > rect.top + (this.fixed ? 0 : window.pageYOffset)) {
-				this.transformOrigin = 'center top';
+			if (top > rect.top + (fixed.value ? 0 : window.pageYOffset)) {
+				transformOrigin.value = 'center top';
+			} else if ((top + height) <= rect.top + (fixed.value ? 0 : window.pageYOffset)) {
+				transformOrigin.value = 'center bottom';
 			} else {
-				this.transformOrigin = 'center';
+				transformOrigin.value = 'center';
 			}
 
 			popover.style.left = left + 'px';
 			popover.style.top = top + 'px';
-		},
+		};
 
-		childRendered() {
+		const childRendered = () => {
 			// モーダルコンテンツにマウスボタンが押され、コンテンツ外でマウスボタンが離されたときにモーダルバックグラウンドクリックと判定させないためにマウスイベントを監視しフラグ管理する
-			const content = this.$refs.content.children[0];
-			content.addEventListener('mousedown', e => {
-				this.contentClicking = true;
+			const el = content.value!.children[0];
+			el.addEventListener('mousedown', e => {
+				contentClicking = true;
 				window.addEventListener('mouseup', e => {
 					// click イベントより先に mouseup イベントが発生するかもしれないのでちょっと待つ
 					setTimeout(() => {
-						this.contentClicking = false;
+						contentClicking = false;
 					}, 100);
 				}, { passive: true, once: true });
 			}, { passive: true });
-		},
+		};
 
-		close() {
-			this.showing = false;
-			this.$emit('close');
-		},
+		onMounted(() => {
+			watch(() => props.src, async () => {
+				if (props.src) {
+					// eslint-disable-next-line vue/no-mutating-props
+					props.src.style.pointerEvents = 'none';
+				}
+				fixed.value = (type.value === 'drawer') || (getFixedContainer(props.src) != null);
 
-		onBgClick() {
-			if (this.contentClicking) return;
-			this.$emit('click');
-		},
+				await nextTick()
+				
+				align();
+			}, { immediate: true, });
 
-		onClosed() {
-			this.$emit('closed');
-		}
-	}
+			nextTick(() => {
+				const popover = content.value;
+				new ResizeObserver((entries, observer) => {
+					align();
+				}).observe(popover!);
+			});
+		});
+
+		return {
+			showing,
+			type,
+			fixed,
+			content,
+			transformOrigin,
+			maxHeight,
+			close,
+			zIndex,
+			keymap,
+			onBgClick,
+			childRendered,
+		};
+	},
 });
 </script>
 
-<style lang="scss">
-.modal-popup-enter-active, .modal-popup-leave-active,
-.modal-enter-from, .modal-leave-to {
-	> .content {
-		transform-origin: var(--transformOrigin);
-	}
-}
-</style>
-
 <style lang="scss" scoped>
 .modal-enter-active, .modal-leave-active {
 	> .bg {
-		transition: opacity 0.3s !important;
+		transition: opacity 0.2s !important;
 	}
 
 	> .content {
-		transition: opacity 0.3s, transform 0.3s !important;
+		transform-origin: var(--transformOrigin);
+		transition: opacity 0.2s, transform 0.2s !important;
 	}
 }
 .modal-enter-from, .modal-leave-to {
@@ -206,17 +269,19 @@ export default defineComponent({
 	> .content {
 		pointer-events: none;
 		opacity: 0;
+		transform-origin: var(--transformOrigin);
 		transform: scale(0.9);
 	}
 }
 
 .modal-popup-enter-active, .modal-popup-leave-active {
 	> .bg {
-		transition: opacity 0.3s !important;
+		transition: opacity 0.2s !important;
 	}
 
 	> .content {
-		transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1), transform 0.5s cubic-bezier(0.16, 1, 0.3, 1) !important;
+		transform-origin: var(--transformOrigin);
+		transition: opacity 0.2s cubic-bezier(0, 0, 0.2, 1), transform 0.2s cubic-bezier(0, 0, 0.2, 1) !important;
 	}
 }
 .modal-popup-enter-from, .modal-popup-leave-to {
@@ -227,48 +292,104 @@ export default defineComponent({
 	> .content {
 		pointer-events: none;
 		opacity: 0;
+		transform-origin: var(--transformOrigin);
 		transform: scale(0.9);
 	}
 }
 
+.modal-drawer-enter-active {
+	> .bg {
+		transition: opacity 0.2s !important;
+	}
+
+	> .content {
+		transition: transform 0.2s cubic-bezier(0,.5,0,1) !important;
+	}
+}
+.modal-drawer-leave-active {
+	> .bg {
+		transition: opacity 0.2s !important;
+	}
+
+	> .content {
+		transition: transform 0.2s cubic-bezier(0,.5,0,1) !important;
+	}
+}
+.modal-drawer-enter-from, .modal-drawer-leave-to {
+	> .bg {
+		opacity: 0;
+	}
+
+	> .content {
+		pointer-events: none;
+		transform: translateY(100%);
+	}
+}
+
 .qzhlnise {
-	> .content:not(.popup) {
-		position: fixed;
-		top: 0;
-		bottom: 0;
-		left: 0;
-		right: 0;
-		margin: auto;
-		padding: 32px;
-		// TODO: mask-imageはiOSだとやたら重い。なんとかしたい
-		-webkit-mask-image: linear-gradient(0deg, rgba(0,0,0,0) 0%, rgba(0,0,0,1) 32px, rgba(0,0,0,1) calc(100% - 32px), rgba(0,0,0,0) 100%);
-		mask-image: linear-gradient(0deg, rgba(0,0,0,0) 0%, rgba(0,0,0,1) 32px, rgba(0,0,0,1) calc(100% - 32px), rgba(0,0,0,0) 100%);
-		overflow: auto;
-		display: flex;
-
-		@media (max-width: 500px) {
-			padding: 16px;
-			-webkit-mask-image: linear-gradient(0deg, rgba(0,0,0,0) 0%, rgba(0,0,0,1) 16px, rgba(0,0,0,1) calc(100% - 16px), rgba(0,0,0,0) 100%);
-			mask-image: linear-gradient(0deg, rgba(0,0,0,0) 0%, rgba(0,0,0,1) 16px, rgba(0,0,0,1) calc(100% - 16px), rgba(0,0,0,0) 100%);
-		}
-
-		> ::v-deep(*) {
+	&.dialog {
+		> .content {
+			position: fixed;
+			top: 0;
+			bottom: 0;
+			left: 0;
+			right: 0;
 			margin: auto;
-		}
+			padding: 32px;
+			// TODO: mask-imageはiOSだとやたら重い。なんとかしたい
+			-webkit-mask-image: linear-gradient(0deg, rgba(0,0,0,0) 0%, rgba(0,0,0,1) 32px, rgba(0,0,0,1) calc(100% - 32px), rgba(0,0,0,0) 100%);
+			mask-image: linear-gradient(0deg, rgba(0,0,0,0) 0%, rgba(0,0,0,1) 32px, rgba(0,0,0,1) calc(100% - 32px), rgba(0,0,0,0) 100%);
+			overflow: auto;
+			display: flex;
+
+			@media (max-width: 500px) {
+				padding: 16px;
+				-webkit-mask-image: linear-gradient(0deg, rgba(0,0,0,0) 0%, rgba(0,0,0,1) 16px, rgba(0,0,0,1) calc(100% - 16px), rgba(0,0,0,0) 100%);
+				mask-image: linear-gradient(0deg, rgba(0,0,0,0) 0%, rgba(0,0,0,1) 16px, rgba(0,0,0,1) calc(100% - 16px), rgba(0,0,0,0) 100%);
+			}
 
-		&.top {
 			> ::v-deep(*) {
-				margin-top: 0;
+				margin: auto;
+			}
+
+			&.top {
+				> ::v-deep(*) {
+					margin-top: 0;
+				}
 			}
 		}
 	}
 
-	> .content.popup {
-		position: absolute;
+	&.popup {
+		> .content {
+			position: absolute;
 
-		&.fixed {
-			position: fixed;
+			&.fixed {
+				position: fixed;
+			}
 		}
 	}
+
+	&.drawer {
+		position: fixed;
+		top: 0;
+		left: 0;
+		width: 100%;
+		height: 100%;
+		overflow: clip;
+
+		> .content {
+			position: fixed;
+			bottom: 0;
+			left: 0;
+			right: 0;
+			margin: auto;
+
+			> ::v-deep(*) {
+				margin: auto;
+			}
+		}
+	}
+
 }
 </style>
diff --git a/packages/client/src/components/ui/popup-menu.vue b/packages/client/src/components/ui/popup-menu.vue
index 93bafddaee..c14343db7b 100644
--- a/packages/client/src/components/ui/popup-menu.vue
+++ b/packages/client/src/components/ui/popup-menu.vue
@@ -1,17 +1,17 @@
 <template>
-<MkPopup ref="popup" v-slot="{ maxHeight, close }" :src="src" @closed="$emit('closed')">
-	<MkMenu :items="items" :align="align" :width="width" :max-height="maxHeight" class="_popup _shadow" @close="close()"/>
-</MkPopup>
+<MkModal ref="modal" v-slot="{ type, maxHeight }" :src="src" @click="$refs.modal.close()" @closed="$emit('closed')">
+	<MkMenu :items="items" :align="align" :width="width" :max-height="maxHeight" :as-drawer="type === 'drawer'" class="sfhdhdhq _popup _shadow" :class="{ drawer: type === 'drawer' }" @close="$refs.modal.close()"/>
+</MkModal>
 </template>
 
 <script lang="ts">
 import { defineComponent } from 'vue';
-import MkPopup from './popup.vue';
+import MkModal from './modal.vue';
 import MkMenu from './menu.vue';
 
 export default defineComponent({
 	components: {
-		MkPopup,
+		MkModal,
 		MkMenu,
 	},
 
@@ -40,3 +40,13 @@ export default defineComponent({
 	emits: ['close', 'closed'],
 });
 </script>
+
+<style lang="scss" scoped>
+.sfhdhdhq {
+	&.drawer {
+		border-radius: 24px;
+		border-bottom-right-radius: 0;
+		border-bottom-left-radius: 0;
+	}
+}
+</style>
diff --git a/packages/client/src/components/ui/popup.vue b/packages/client/src/components/ui/popup.vue
deleted file mode 100644
index abacd828ae..0000000000
--- a/packages/client/src/components/ui/popup.vue
+++ /dev/null
@@ -1,237 +0,0 @@
-<template>
-<transition :name="$store.state.animation ? 'popup-menu' : ''" appear @after-leave="$emit('closed')" @enter="$emit('opening')">
-	<div v-show="manualShowing != null ? manualShowing : showing" ref="content" class="ccczpooj" :class="{ fixed, top: position === 'top' }" :style="{ zIndex, pointerEvents: (manualShowing != null ? manualShowing : showing) ? 'auto' : 'none', '--transformOrigin': transformOrigin }">
-		<slot :max-height="maxHeight" :close="close"></slot>
-	</div>
-</transition>
-</template>
-
-<script lang="ts">
-import { defineComponent, nextTick, onMounted, onUnmounted, PropType, ref, watch } from 'vue';
-import * as os from '@/os';
-
-function getFixedContainer(el: Element | null | undefined): Element | null {
-	if (el == null || el.tagName === 'BODY') return null;
-	const position = window.getComputedStyle(el).getPropertyValue('position');
-	if (position === 'fixed') {
-		return el;
-	} else {
-		return getFixedContainer(el.parentElement);
-	}
-}
-
-export default defineComponent({
-	props: {
-		manualShowing: {
-			type: Boolean,
-			required: false,
-			default: null,
-		},
-		srcCenter: {
-			type: Boolean,
-			required: false
-		},
-		src: {
-			type: Object as PropType<HTMLElement>,
-			required: false,
-		},
-		position: {
-			required: false
-		},
-		front: {
-			type: Boolean,
-			required: false,
-			default: false,
-		},
-		noOverlap: {
-			type: Boolean,
-			required: false,
-			default: true,
-		},
-	},
-
-	emits: ['opening', 'click', 'esc', 'close', 'closed'],
-
-	setup(props, context) {
-		const maxHeight = ref<number>();
-		const fixed = ref(false);
-		const transformOrigin = ref('center');
-		const showing = ref(true);
-		const content = ref<HTMLElement>();
-		const zIndex = os.claimZIndex(props.front);
-
-		const close = () => {
-			// eslint-disable-next-line vue/no-mutating-props
-			if (props.src) props.src.style.pointerEvents = 'auto';
-			showing.value = false;
-			context.emit('close');
-		};
-
-		const MARGIN = 16;
-
-		const align = () => {
-			if (props.src == null) return;
-
-			const popover = content.value!;
-
-			if (popover == null) return;
-
-			const rect = props.src.getBoundingClientRect();
-			
-			const width = popover.offsetWidth;
-			const height = popover.offsetHeight;
-
-			let left;
-			let top;
-
-			if (props.srcCenter) {
-				const x = rect.left + (fixed.value ? 0 : window.pageXOffset) + (props.src.offsetWidth / 2);
-				const y = rect.top + (fixed.value ? 0 : window.pageYOffset) + (props.src.offsetHeight / 2);
-				left = (x - (width / 2));
-				top = (y - (height / 2));
-			} else {
-				const x = rect.left + (fixed.value ? 0 : window.pageXOffset) + (props.src.offsetWidth / 2);
-				const y = rect.top + (fixed.value ? 0 : window.pageYOffset) + props.src.offsetHeight;
-				left = (x - (width / 2));
-				top = y;
-			}
-
-			if (fixed.value) {
-				// 画面から横にはみ出る場合
-				if (left + width > window.innerWidth) {
-					left = window.innerWidth - width;
-				}
-
-				// 画面から縦にはみ出る場合
-				if (top + height > (window.innerHeight - MARGIN)) {
-					if (props.noOverlap) {
-						const underSpace = (window.innerHeight - MARGIN) - top;
-						const upperSpace = (rect.top - MARGIN);
-						if (underSpace >= (upperSpace / 3)) {
-							maxHeight.value =  underSpace;
-						} else {
-							maxHeight.value =  upperSpace;
-							top = (upperSpace + MARGIN) - height;
-						}
-					} else {
-						top = (window.innerHeight - MARGIN) - height;
-					}
-				}
-			} else {
-				// 画面から横にはみ出る場合
-				if (left + width - window.pageXOffset > window.innerWidth) {
-					left = window.innerWidth - width + window.pageXOffset - 1;
-				}
-
-				// 画面から縦にはみ出る場合
-				if (top + height - window.pageYOffset > (window.innerHeight - MARGIN)) {
-					if (props.noOverlap) {
-						const underSpace = (window.innerHeight - MARGIN) - (top - window.pageYOffset);
-						const upperSpace = (rect.top - MARGIN);
-						if (underSpace >= (upperSpace / 3)) {
-							maxHeight.value =  underSpace;
-						} else {
-							maxHeight.value =  upperSpace;
-							top = window.pageYOffset + ((upperSpace + MARGIN) - height);
-						}
-					} else {
-						top = (window.innerHeight - MARGIN) - height + window.pageYOffset - 1;
-					}
-				}
-			}
-
-			if (top < 0) {
-				top = MARGIN;
-			}
-
-			if (left < 0) {
-				left = 0;
-			}
-
-			if (top > rect.top + (fixed.value ? 0 : window.pageYOffset)) {
-				transformOrigin.value = 'center top';
-			} else if ((top + height) <= rect.top + (fixed.value ? 0 : window.pageYOffset)) {
-				transformOrigin.value = 'center bottom';
-			} else {
-				transformOrigin.value = 'center';
-			}
-
-			popover.style.left = left + 'px';
-			popover.style.top = top + 'px';
-		};
-
-		const onDocumentClick = (ev: MouseEvent) => {
-			const flyoutElement = content.value;
-			let targetElement = ev.target;
-			do {
-				if (targetElement === flyoutElement) {
-					return;
-				}
-				targetElement = targetElement.parentNode;
-			} while (targetElement);
-			close();
-		};
-
-		onMounted(() => {
-			watch(() => props.src, async () => {
-				if (props.src) {
-					// eslint-disable-next-line vue/no-mutating-props
-					props.src.style.pointerEvents = 'none';
-				}
-				fixed.value = getFixedContainer(props.src) != null;
-
-				await nextTick()
-				
-				align();
-			}, { immediate: true, });
-
-			nextTick(() => {
-				const popover = content.value;
-				new ResizeObserver((entries, observer) => {
-					align();
-				}).observe(popover!);
-			});
-
-			document.addEventListener('mousedown', onDocumentClick, { passive: true });
-
-			onUnmounted(() => {
-				document.removeEventListener('mousedown', onDocumentClick);
-			});
-		});
-
-		return {
-			showing,
-			fixed,
-			content,
-			transformOrigin,
-			maxHeight,
-			close,
-			zIndex,
-		};
-	},
-});
-</script>
-
-<style lang="scss" scoped>
-.popup-menu-enter-active {
-	transform-origin: var(--transformOrigin);
-	transition: opacity 0.2s cubic-bezier(0, 0, 0.2, 1), transform 0.2s cubic-bezier(0, 0, 0.2, 1) !important;
-}
-.popup-menu-leave-active {
-	transform-origin: var(--transformOrigin);
-	transition: opacity 0.2s cubic-bezier(0.4, 0, 1, 1), transform 0.2s cubic-bezier(0.4, 0, 1, 1) !important;
-}
-.popup-menu-enter-from, .popup-menu-leave-to {
-	pointer-events: none;
-	opacity: 0;
-	transform: scale(0.9);
-}
-
-.ccczpooj {
-	position: absolute;
-
-	&.fixed {
-		position: fixed;
-	}
-}
-</style>