diff --git a/src/client/app/common/views/components/index.ts b/src/client/app/common/views/components/index.ts
index 5dc466857..060af388b 100644
--- a/src/client/app/common/views/components/index.ts
+++ b/src/client/app/common/views/components/index.ts
@@ -29,8 +29,12 @@ import fileTypeIcon from './file-type-icon.vue';
 import Switch from './switch.vue';
 import Othello from './othello.vue';
 import welcomeTimeline from './welcome-timeline.vue';
-import uiInput from './material/input.vue';
-import uiButton from './material/button.vue';
+import uiInput from './ui/input.vue';
+import uiButton from './ui/button.vue';
+import uiGroup from './ui/group.vue';
+import uiForm from './ui/form.vue';
+import uiTextarea from './ui/textarea.vue';
+import uiSwitch from './ui/switch.vue';
 
 Vue.component('mk-analog-clock', analogClock);
 Vue.component('mk-menu', menu);
@@ -63,3 +67,7 @@ Vue.component('mk-othello', Othello);
 Vue.component('mk-welcome-timeline', welcomeTimeline);
 Vue.component('ui-input', uiInput);
 Vue.component('ui-button', uiButton);
+Vue.component('ui-group', uiGroup);
+Vue.component('ui-form', uiForm);
+Vue.component('ui-textarea', uiTextarea);
+Vue.component('ui-switch', uiSwitch);
diff --git a/src/client/app/common/views/components/signup.vue b/src/client/app/common/views/components/signup.vue
index 3adb10f2c..d1621a484 100644
--- a/src/client/app/common/views/components/signup.vue
+++ b/src/client/app/common/views/components/signup.vue
@@ -1,50 +1,40 @@
 <template>
 <form class="mk-signup" @submit.prevent="onSubmit" autocomplete="off">
-	<label class="username">
-		<ui-input v-model="username" type="text" pattern="^[a-zA-Z0-9_]{1,20}$" autocomplete="off" required @input="onChangeUsername">
-			<span>%i18n:@username%</span>
-			<span slot="prefix">@</span>
-			<span slot="suffix">@{{ host }}</span>
-			<p slot="text" v-if="usernameState == 'wait'" style="color:#999">%fa:spinner .pulse .fw%%i18n:@checking%</p>
-			<p slot="text" v-if="usernameState == 'ok'" style="color:#3CB7B5">%fa:check .fw%%i18n:@available%</p>
-			<p slot="text" v-if="usernameState == 'unavailable'" style="color:#FF1161">%fa:exclamation-triangle .fw%%i18n:@unavailable%</p>
-			<p slot="text" v-if="usernameState == 'error'" style="color:#FF1161">%fa:exclamation-triangle .fw%%i18n:@error%</p>
-			<p slot="text" v-if="usernameState == 'invalid-format'" style="color:#FF1161">%fa:exclamation-triangle .fw%%i18n:@invalid-format%</p>
-			<p slot="text" v-if="usernameState == 'min-range'" style="color:#FF1161">%fa:exclamation-triangle .fw%%i18n:@too-short%</p>
-			<p slot="text" v-if="usernameState == 'max-range'" style="color:#FF1161">%fa:exclamation-triangle .fw%%i18n:@too-long%</p>
-		</ui-input>
-	</label>
-	<label class="password">
-		<ui-input v-model="password" type="password" autocomplete="off" required @input="onChangePassword">
-			<span>%i18n:@password%</span>
-			<span slot="prefix">%fa:lock%</span>
-			<div slot="text">
-
-			</div>
-		</ui-input>
-		<div class="meter" v-show="passwordStrength != ''" :data-strength="passwordStrength">
-			<div class="value" ref="passwordMetar"></div>
+	<ui-input v-model="username" type="text" pattern="^[a-zA-Z0-9_]{1,20}$" autocomplete="off" required @input="onChangeUsername">
+		<span>%i18n:@username%</span>
+		<span slot="prefix">@</span>
+		<span slot="suffix">@{{ host }}</span>
+		<p slot="text" v-if="usernameState == 'wait'" style="color:#999">%fa:spinner .pulse .fw% %i18n:@checking%</p>
+		<p slot="text" v-if="usernameState == 'ok'" style="color:#3CB7B5">%fa:check .fw% %i18n:@available%</p>
+		<p slot="text" v-if="usernameState == 'unavailable'" style="color:#FF1161">%fa:exclamation-triangle .fw% %i18n:@unavailable%</p>
+		<p slot="text" v-if="usernameState == 'error'" style="color:#FF1161">%fa:exclamation-triangle .fw% %i18n:@error%</p>
+		<p slot="text" v-if="usernameState == 'invalid-format'" style="color:#FF1161">%fa:exclamation-triangle .fw% %i18n:@invalid-format%</p>
+		<p slot="text" v-if="usernameState == 'min-range'" style="color:#FF1161">%fa:exclamation-triangle .fw% %i18n:@too-short%</p>
+		<p slot="text" v-if="usernameState == 'max-range'" style="color:#FF1161">%fa:exclamation-triangle .fw% %i18n:@too-long%</p>
+	</ui-input>
+	<ui-input v-model="password" type="password" autocomplete="off" required @input="onChangePassword" :with-password-meter="true">
+		<span>%i18n:@password%</span>
+		<span slot="prefix">%fa:lock%</span>
+		<div slot="text">
+			<p slot="text" v-if="passwordStrength == 'low'" style="color:#FF1161">%fa:exclamation-triangle .fw% %i18n:@weak-password%</p>
+			<p slot="text" v-if="passwordStrength == 'medium'" style="color:#3CB7B5">%fa:check .fw% %i18n:@normal-password%</p>
+			<p slot="text" v-if="passwordStrength == 'high'" style="color:#3CB7B5">%fa:check .fw% %i18n:@strong-password%</p>
 		</div>
-		<p class="info" v-if="passwordStrength == 'low'" style="color:#FF1161">%fa:exclamation-triangle .fw%%i18n:@weak-password%</p>
-		<p class="info" v-if="passwordStrength == 'medium'" style="color:#3CB7B5">%fa:check .fw%%i18n:@normal-password%</p>
-		<p class="info" v-if="passwordStrength == 'high'" style="color:#3CB7B5">%fa:check .fw%%i18n:@strong-password%</p>
-	</label>
-	<label class="retype-password">
-		<ui-input v-model="retypedPassword" type="password" autocomplete="off" required @input="onChangePasswordRetype">
-			<span>%i18n:@password% (%i18n:@retype%)</span>
-			<span slot="prefix">%fa:lock%</span>
-		</ui-input>
-		<p class="info" v-if="passwordRetypeState == 'match'" style="color:#3CB7B5">%fa:check .fw%%i18n:@password-matched%</p>
-		<p class="info" v-if="passwordRetypeState == 'not-match'" style="color:#FF1161">%fa:exclamation-triangle .fw%%i18n:@password-not-matched%</p>
-	</label>
-	<label class="recaptcha">
-		<div class="g-recaptcha" :data-sitekey="recaptchaSitekey"></div>
-	</label>
-	<label class="agree-tou">
+	</ui-input>
+	<ui-input v-model="retypedPassword" type="password" autocomplete="off" required @input="onChangePasswordRetype">
+		<span>%i18n:@password% (%i18n:@retype%)</span>
+		<span slot="prefix">%fa:lock%</span>
+		<div slot="text">
+			<p slot="text" v-if="passwordRetypeState == 'match'" style="color:#3CB7B5">%fa:check .fw% %i18n:@password-matched%</p>
+			<p slot="text" v-if="passwordRetypeState == 'not-match'" style="color:#FF1161">%fa:exclamation-triangle .fw% %i18n:@password-not-matched%</p>
+		</div>
+	</ui-input>
+	<div class="g-recaptcha" :data-sitekey="recaptchaSitekey" style="margin: 16px 0;"></div>
+	<label class="agree-tou" style="display: block; margin: 16px 0;">
 		<input name="agree-tou" type="checkbox" autocomplete="off" required/>
 		<p><a :href="touUrl" target="_blank">利用規約</a>に同意する</p>
 	</label>
-	<button type="submit">%i18n:@create%</button>
+	<ui-button type="submit">%i18n:@create%</ui-button>
 </form>
 </template>
 
@@ -112,7 +102,6 @@ export default Vue.extend({
 
 			const strength = getPasswordStrength(this.password);
 			this.passwordStrength = strength > 0.7 ? 'high' : strength > 0.3 ? 'medium' : 'low';
-			(this.$refs.passwordMetar as any).style.width = `${strength * 100}%`;
 		},
 		onChangePasswordRetype() {
 			if (this.retypedPassword == '') {
@@ -156,100 +145,6 @@ export default Vue.extend({
 .mk-signup
 	min-width 302px
 
-	label
-		display block
-		margin 0 0 16px 0
-
-		> .caption
-			margin 0 0 4px 0
-			color #828888
-			font-size 0.95em
-
-			> [data-fa]
-				margin-right 0.25em
-				color #96adac
-
-		> .info
-			display block
-			margin 4px 0
-			font-size 0.8em
-
-			> [data-fa]
-				margin-right 0.3em
-
-		&.username
-			.profile-page-url-preview
-				display block
-				margin 4px 8px 0 4px
-				font-size 0.8em
-				color #888
-
-				&:empty
-					display none
-
-				&:not(:empty) + .info
-					margin-top 0
-
-		&.password
-			.meter
-				display block
-				margin-top 8px
-				width 100%
-				height 8px
-
-				&[data-strength='']
-					display none
-
-				&[data-strength='low']
-					> .value
-						background #d73612
-
-				&[data-strength='medium']
-					> .value
-						background #d7ca12
-
-				&[data-strength='high']
-					> .value
-						background #61bb22
-
-				> .value
-					display block
-					width 0%
-					height 100%
-					background transparent
-					border-radius 4px
-					transition all 0.1s ease
-
-	[type=text], [type=password]
-		user-select text
-		display inline-block
-		cursor auto
-		padding 0 12px
-		margin 0
-		width 100%
-		line-height 44px
-		font-size 1em
-		color #333 !important
-		background #fff !important
-		outline none
-		border solid 1px rgba(#000, 0.1)
-		border-radius 4px
-		box-shadow 0 0 0 114514px #fff inset
-		transition all .3s ease
-
-		&:hover
-			border-color rgba(#000, 0.2)
-			transition all .1s ease
-
-		&:focus
-			color $theme-color !important
-			border-color $theme-color
-			box-shadow 0 0 0 1024px #fff inset, 0 0 0 4px rgba($theme-color, 10%)
-			transition all 0s ease
-
-		&:disabled
-			opacity 0.5
-
 	.agree-tou
 		padding 4px
 		border-radius 4px
@@ -267,19 +162,4 @@ export default Vue.extend({
 			display inline
 			color #555
 
-	button
-		margin 0
-		padding 16px
-		width 100%
-		font-size 1em
-		color #fff
-		background $theme-color
-		border-radius 3px
-
-		&:hover
-			background lighten($theme-color, 5%)
-
-		&:active
-			background darken($theme-color, 5%)
-
 </style>
diff --git a/src/client/app/common/views/components/material/button.vue b/src/client/app/common/views/components/ui/button.vue
similarity index 83%
rename from src/client/app/common/views/components/material/button.vue
rename to src/client/app/common/views/components/ui/button.vue
index 8dacedbac..57747fd46 100644
--- a/src/client/app/common/views/components/material/button.vue
+++ b/src/client/app/common/views/components/ui/button.vue
@@ -25,7 +25,7 @@ export default Vue.extend({
 	> button
 		display block
 		width 100%
-		margin 32px 0 16px 0
+		margin 0
 		padding 0
 		color $theme-color-foreground
 		font-weight bold
@@ -37,4 +37,10 @@ export default Vue.extend({
 		outline none
 		box-shadow none
 
+		&:hover
+			background lighten($theme-color, 5%)
+
+		&:active
+			background darken($theme-color, 5%)
+
 </style>
diff --git a/src/client/app/common/views/components/ui/form.vue b/src/client/app/common/views/components/ui/form.vue
new file mode 100644
index 000000000..0893af1bc
--- /dev/null
+++ b/src/client/app/common/views/components/ui/form.vue
@@ -0,0 +1,28 @@
+<template>
+<div class="ui-form">
+	<fieldset :disabled="disabled">
+		<slot></slot>
+	</fieldset>
+</div>
+</template>
+
+<script lang="ts">
+import Vue from 'vue';
+export default Vue.extend({
+	props: {
+		disabled: {
+			type: String,
+			required: false
+		}
+	}
+});
+</script>
+
+<style lang="stylus" scoped>
+@import '~const.styl'
+
+.ui-form
+	> fieldset
+		border none
+
+</style>
diff --git a/src/client/app/common/views/components/ui/group.vue b/src/client/app/common/views/components/ui/group.vue
new file mode 100644
index 000000000..fb29458ce
--- /dev/null
+++ b/src/client/app/common/views/components/ui/group.vue
@@ -0,0 +1,23 @@
+<template>
+<div class="ui-group">
+	<header>
+		<slot name="title"></slot>
+	</header>
+
+	<slot></slot>
+</div>
+</template>
+
+<script lang="ts">
+import Vue from 'vue';
+export default Vue.extend({});
+</script>
+
+<style lang="stylus" scoped>
+@import '~const.styl'
+
+.ui-group
+	> header
+		font-weight bold
+
+</style>
diff --git a/src/client/app/common/views/components/ui/input.vue b/src/client/app/common/views/components/ui/input.vue
new file mode 100644
index 000000000..7461aac7f
--- /dev/null
+++ b/src/client/app/common/views/components/ui/input.vue
@@ -0,0 +1,215 @@
+<template>
+<div class="ui-input" :class="{ focused, filled }">
+	<div class="input" @click="focus">
+		<div class="password-meter" v-if="withPasswordMeter" v-show="passwordStrength != ''" :data-strength="passwordStrength">
+			<div class="value" ref="passwordMetar"></div>
+		</div>
+		<span class="label" ref="label"><slot></slot></span>
+		<div class="prefix" ref="prefix"><slot name="prefix"></slot></div>
+		<input ref="input"
+				:type="type"
+				:value="value"
+				:required="required"
+				:readonly="readonly"
+				:pattern="pattern"
+				:autocomplete="autocomplete"
+				@input="$emit('input', $event.target.value)"
+				@focus="focused = true"
+				@blur="focused = false">
+		<div class="suffix"><slot name="suffix"></slot></div>
+	</div>
+	<div class="text"><slot name="text"></slot></div>
+</div>
+</template>
+
+<script lang="ts">
+import Vue from 'vue';
+const getPasswordStrength = require('syuilo-password-strength');
+
+export default Vue.extend({
+	props: {
+		value: {
+			required: false
+		},
+		type: {
+			type: String,
+			required: false
+		},
+		required: {
+			type: Boolean,
+			required: false
+		},
+		readonly: {
+			type: Boolean,
+			required: false
+		},
+		pattern: {
+			type: String,
+			required: false
+		},
+		autocomplete: {
+			type: String,
+			required: false
+		},
+		withPasswordMeter: {
+			type: Boolean,
+			required: false,
+			default: false
+		}
+	},
+	data() {
+		return {
+			focused: false,
+			passwordStrength: ''
+		}
+	},
+	computed: {
+		filled(): boolean {
+			return this.value != '' && this.value != null;
+		}
+	},
+	watch: {
+		value(v) {
+			if (this.withPasswordMeter) {
+				if (v == '') {
+					this.passwordStrength = '';
+					return;
+				}
+
+				const strength = getPasswordStrength(v);
+				this.passwordStrength = strength > 0.7 ? 'high' : strength > 0.3 ? 'medium' : 'low';
+				(this.$refs.passwordMetar as any).style.width = `${strength * 100}%`;
+			}
+		}
+	},
+	mounted() {
+		if (this.$refs.prefix) {
+			this.$refs.label.style.left = (this.$refs.prefix.offsetLeft + this.$refs.prefix.offsetWidth) + 'px';
+		}
+	},
+	methods: {
+		focus() {
+			this.$refs.input.focus();
+		}
+	}
+});
+</script>
+
+<style lang="stylus" scoped>
+@import '~const.styl'
+
+.ui-input
+	margin 32px 0
+
+	> .input
+		display flex
+		padding 6px 12px
+		background rgba(#000, 0.035)
+		border-radius 6px
+
+		> .password-meter
+			position absolute
+			top 0
+			left 0
+			width 100%
+			height 100%
+			border-radius 6px
+			overflow hidden
+			opacity 0.3
+
+			&[data-strength='']
+				display none
+
+			&[data-strength='low']
+				> .value
+					background #d73612
+
+			&[data-strength='medium']
+				> .value
+					background #d7ca12
+
+			&[data-strength='high']
+				> .value
+					background #61bb22
+
+			> .value
+				display block
+				width 0%
+				height 100%
+				background transparent
+				border-radius 6px
+				transition all 0.1s ease
+
+		> .label
+			position absolute
+			top 6px
+			left 0
+			pointer-events none
+			transition 0.4s cubic-bezier(0.25, 0.8, 0.25, 1)
+			transition-duration 0.3s
+			font-size 16px
+			line-height 32px
+			color rgba(#000, 0.54)
+			pointer-events none
+			//will-change transform
+			transform-origin top left
+			transform scale(1)
+
+		> input
+			display block
+			flex 1
+			width 100%
+			padding 0
+			font inherit
+			font-weight bold
+			font-size 16px
+			line-height 32px
+			background transparent
+			border none
+			border-radius 0
+			outline none
+			box-shadow none
+
+		> .prefix
+		> .suffix
+			display block
+			align-self center
+			justify-self center
+			font-size 16px
+			line-height 32px
+			color rgba(#000, 0.54)
+			pointer-events none
+
+			> *
+				display block
+				min-width 16px
+
+		> .prefix
+			padding-right 4px
+
+		> .suffix
+			padding-left 4px
+
+	> .text
+		margin 6px 0
+		font-size 13px
+
+		*
+			margin 0
+
+	&.focused
+		> .input
+			background rgba(#000, 0.05)
+
+			> .label
+				color $theme-color
+
+	&.focused
+	&.filled
+		> .input
+			> .label
+				top -24px
+				left 0 !important
+				transform scale(0.8)
+
+</style>
diff --git a/src/client/app/common/views/components/ui/switch.vue b/src/client/app/common/views/components/ui/switch.vue
new file mode 100644
index 000000000..2cac6262f
--- /dev/null
+++ b/src/client/app/common/views/components/ui/switch.vue
@@ -0,0 +1,199 @@
+<template>
+<div
+	class="ui-switch"
+	:class="{ disabled, checked }"
+	role="switch"
+	:aria-checked="checked"
+	:aria-disabled="disabled"
+	@click="switchValue"
+	@mouseover="mouseenter"
+>
+	<input
+		type="checkbox"
+		@change="handleChange"
+		ref="input"
+		:disabled="disabled"
+		@keydown.enter="switchValue"
+	>
+	<span class="button">
+		<span :style="{ transform }"></span>
+	</span>
+	<span class="label">
+		<span :aria-hidden="!checked"><slot></slot></span>
+		<p :aria-hidden="!checked">
+			<slot name="text"></slot>
+		</p>
+	</span>
+</div>
+</template>
+
+<script lang="ts">
+import Vue from 'vue';
+export default Vue.extend({
+	props: {
+		value: {
+			type: Boolean,
+			default: false
+		},
+		disabled: {
+			type: Boolean,
+			default: false
+		}
+	},/*
+	created() {
+		if (!~[true, false].indexOf(this.value)) {
+			this.$emit('input', false);
+		}
+	},*/
+	computed: {
+		checked(): boolean {
+			return this.value;
+		},
+		transform(): string {
+			return this.checked ? 'translate3d(14px, 0, 0)' : '';
+		}
+	},
+	watch: {
+		value() {
+			(this.$el).style.transition = 'all 0.3s';
+			(this.$refs.input as any).checked = this.checked;
+		}
+	},
+	mounted() {
+		(this.$refs.input as any).checked = this.checked;
+	},
+	methods: {
+		mouseenter() {
+			(this.$el).style.transition = 'all 0s';
+		},
+		handleChange() {
+			(this.$el).style.transition = 'all 0.3s';
+			this.$emit('input', !this.checked);
+			this.$emit('change', !this.checked);
+			this.$nextTick(() => {
+				// set input's checked property
+				// in case parent refuses to change component's value
+				(this.$refs.input as any).checked = this.checked;
+			});
+		},
+		switchValue() {
+			!this.disabled && this.handleChange();
+		}
+	}
+});
+</script>
+
+<style lang="stylus" scoped>
+@import '~const.styl'
+
+root(isDark)
+	display flex
+	margin 16px 0
+	cursor pointer
+	transition all 0.3s
+
+	> *
+		user-select none
+
+	&.disabled
+		opacity 0.6
+		cursor not-allowed
+
+	&.checked
+		> .button
+			background-color $theme-color
+			border-color $theme-color
+
+		> .label
+			> span
+				color $theme-color
+
+		&:hover
+			> .label
+				> span
+					color darken($theme-color, 10%)
+
+			> .button
+				background darken($theme-color, 10%)
+				border-color darken($theme-color, 10%)
+
+	&:hover
+		> .label
+			> span
+				color isDark ? #fff : #2e3338
+
+		> .button
+			$color = isDark ? #15181d : #ced2da
+			background $color
+			border-color $color
+
+	> input
+		position absolute
+		width 0
+		height 0
+		opacity 0
+		margin 0
+
+		&:focus + .button
+			&:after
+				content ""
+				pointer-events none
+				position absolute
+				top -5px
+				right -5px
+				bottom -5px
+				left -5px
+				border 2px solid rgba($theme-color, 0.3)
+				border-radius 14px
+
+	> .button
+		$color = isDark ? #1c1f25 : #dcdfe6
+
+		display inline-block
+		margin 0
+		width 46px
+		min-width 46px
+		height 32px
+		min-height 32px
+		background $color
+		border 1px solid $color
+		outline none
+		border-radius 6px
+		transition inherit
+
+		> *
+			position absolute
+			top 1px
+			left 1px
+			border-radius 6px
+			transition transform 0.3s
+			width 28px
+			height 28px
+			background-color #fff
+
+	> .label
+		margin-left 8px
+		display block
+		font-size 16px
+		cursor pointer
+		transition inherit
+
+		> span
+			display block
+			line-height 32px
+			font-weight bold
+			color isDark ? #c4ccd2 : #4a535a
+			transition inherit
+
+		> p
+			margin 0
+			//font-size 90%
+			color isDark ? #78858e : #9daab3
+
+.ui-switch[data-darkmode]
+	root(true)
+
+.ui-switch:not([data-darkmode])
+	root(false)
+
+</style>
diff --git a/src/client/app/common/views/components/material/input.vue b/src/client/app/common/views/components/ui/textarea.vue
similarity index 64%
rename from src/client/app/common/views/components/material/input.vue
rename to src/client/app/common/views/components/ui/textarea.vue
index 6564b3aa6..0a9f60f1b 100644
--- a/src/client/app/common/views/components/material/input.vue
+++ b/src/client/app/common/views/components/ui/textarea.vue
@@ -1,17 +1,17 @@
 <template>
-<div class="ui-input" :class="{ focused, filled }">
+<div class="ui-textarea" :class="{ focused, filled }">
 	<div class="input">
 		<span class="label" ref="label"><slot></slot></span>
-		<div class="prefix" ref="prefix" @click="focus"><slot name="prefix"></slot></div>
-		<input ref="input"
-				:type="type"
+		<textarea ref="input"
 				:value="value"
 				:required="required"
 				:readonly="readonly"
+				:pattern="pattern"
+				:autocomplete="autocomplete"
 				@input="$emit('input', $event.target.value)"
 				@focus="focused = true"
 				@blur="focused = false">
-		<div class="suffix" @click="focus"><slot name="suffix"></slot></div>
+		</textarea>
 	</div>
 	<div class="text"><slot name="text"></slot></div>
 </div>
@@ -19,15 +19,13 @@
 
 <script lang="ts">
 import Vue from 'vue';
+const getPasswordStrength = require('syuilo-password-strength');
+
 export default Vue.extend({
 	props: {
 		value: {
 			required: false
 		},
-		type: {
-			type: String,
-			required: false
-		},
 		required: {
 			type: Boolean,
 			required: false
@@ -35,11 +33,20 @@ export default Vue.extend({
 		readonly: {
 			type: Boolean,
 			required: false
+		},
+		pattern: {
+			type: String,
+			required: false
+		},
+		autocomplete: {
+			type: String,
+			required: false
 		}
 	},
 	data() {
 		return {
-			focused: false
+			focused: false,
+			passwordStrength: ''
 		}
 	},
 	computed: {
@@ -47,9 +54,6 @@ export default Vue.extend({
 			return this.value != '' && this.value != null;
 		}
 	},
-	mounted() {
-		this.$refs.label.style.left = (this.$refs.prefix.offsetLeft + this.$refs.prefix.offsetWidth) + 'px';
-	},
 	methods: {
 		focus() {
 			this.$refs.input.focus();
@@ -61,20 +65,18 @@ export default Vue.extend({
 <style lang="stylus" scoped>
 @import '~const.styl'
 
-.ui-input
-	margin-bottom 16px
-	padding-top 16px
+.ui-textarea
+	margin 32px 0
 
 	> .input
-		display flex
-		padding 6px 12px
+		padding 12px
 		background rgba(#000, 0.035)
 		border-radius 6px
 
 		> .label
 			position absolute
 			top 6px
-			left 0
+			left 12px
 			pointer-events none
 			transition 0.4s cubic-bezier(0.25, 0.8, 0.25, 1)
 			transition-duration 0.3s
@@ -82,42 +84,29 @@ export default Vue.extend({
 			line-height 32px
 			color rgba(#000, 0.54)
 			pointer-events none
+			//will-change transform
+			transform-origin top left
+			transform scale(1)
 
-		> input
+		> textarea
 			display block
-			flex 1
 			width 100%
+			min-height 100px
 			padding 0
 			font inherit
 			font-weight bold
 			font-size 16px
-			line-height 32px
 			background transparent
 			border none
 			border-radius 0
 			outline none
 			box-shadow none
 
-		> .prefix
-		> .suffix
-			display block
-			align-self center
-			justify-self center
-			font-size 16px
-			line-height 32px
-			color rgba(#000, 0.54)
-
-		> .prefix
-			padding-right 4px
-
-		> .suffix
-			padding-left 4px
-
 	> .text
-		margin 8px 0
-		font-size 14px
+		margin 6px 0
+		font-size 13px
 
-		> p
+		*
 			margin 0
 
 	&.focused
@@ -131,9 +120,8 @@ export default Vue.extend({
 	&.filled
 		> .input
 			> .label
-				top -20px
+				top -24px
 				left 0 !important
-				font-size 12px
-				line-height 20px
+				transform scale(0.8)
 
 </style>
diff --git a/src/client/app/mobile/views/pages/settings.vue b/src/client/app/mobile/views/pages/settings.vue
index 8da7a7663..716f7afc0 100644
--- a/src/client/app/mobile/views/pages/settings.vue
+++ b/src/client/app/mobile/views/pages/settings.vue
@@ -6,125 +6,105 @@
 		<div>
 			<x-profile/>
 
-			<md-card>
-				<md-card-header>
-					<div class="md-title">%fa:palette% %i18n:@design%</div>
-				</md-card-header>
+			<ui-group>
+				<div slot="title">%fa:palette% %i18n:@design%</div>
+
+				<div>
+					<ui-switch v-model="darkmode">%i18n:@dark-mode%</ui-switch>
+				</div>
+
+				<div>
+					<ui-switch v-model="$store.state.settings.circleIcons" @change="onChangeCircleIcons">%i18n:@circle-icons%</ui-switch>
+				</div>
+
+				<div>
+					<div class="md-body-2">%i18n:@timeline%</div>
 
-				<md-card-content>
 					<div>
-						<md-switch v-model="darkmode">%i18n:@dark-mode%</md-switch>
+						<ui-switch v-model="$store.state.settings.showReplyTarget" @change="onChangeShowReplyTarget">%i18n:@show-reply-target%</ui-switch>
 					</div>
 
 					<div>
-						<md-switch v-model="$store.state.settings.circleIcons" @change="onChangeCircleIcons">%i18n:@circle-icons%</md-switch>
+						<ui-switch v-model="$store.state.settings.showMyRenotes" @change="onChangeShowMyRenotes">%i18n:@show-my-renotes%</ui-switch>
 					</div>
 
 					<div>
-						<div class="md-body-2">%i18n:@timeline%</div>
-
-						<div>
-							<md-switch v-model="$store.state.settings.showReplyTarget" @change="onChangeShowReplyTarget">%i18n:@show-reply-target%</md-switch>
-						</div>
-
-						<div>
-							<md-switch v-model="$store.state.settings.showMyRenotes" @change="onChangeShowMyRenotes">%i18n:@show-my-renotes%</md-switch>
-						</div>
-
-						<div>
-							<md-switch v-model="$store.state.settings.showRenotedMyNotes" @change="onChangeShowRenotedMyNotes">%i18n:@show-renoted-my-notes%</md-switch>
-						</div>
+						<ui-switch v-model="$store.state.settings.showRenotedMyNotes" @change="onChangeShowRenotedMyNotes">%i18n:@show-renoted-my-notes%</ui-switch>
 					</div>
+				</div>
 
-					<div>
-						<div class="md-body-2">%i18n:@post-style%</div>
+				<div>
+					<div class="md-body-2">%i18n:@post-style%</div>
 
-						<md-radio v-model="postStyle" value="standard">%i18n:@post-style-standard%</md-radio>
-						<md-radio v-model="postStyle" value="smart">%i18n:@post-style-smart%</md-radio>
-					</div>
-				</md-card-content>
-			</md-card>
+					<md-radio v-model="postStyle" value="standard">%i18n:@post-style-standard%</md-radio>
+					<md-radio v-model="postStyle" value="smart">%i18n:@post-style-smart%</md-radio>
+				</div>
+			</ui-group>
 
-			<md-card>
-				<md-card-header>
-					<div class="md-title">%fa:cog% %i18n:@behavior%</div>
-				</md-card-header>
+			<ui-group>
+				<div slot="title">%fa:cog% %i18n:@behavior%</div>
 
-				<md-card-content>
-					<div>
-						<md-switch v-model="$store.state.settings.fetchOnScroll" @change="onChangeFetchOnScroll">%i18n:@fetch-on-scroll%</md-switch>
-					</div>
+				<div>
+					<ui-switch v-model="$store.state.settings.fetchOnScroll" @change="onChangeFetchOnScroll">%i18n:@fetch-on-scroll%</ui-switch>
+				</div>
 
-					<div>
-						<md-switch v-model="$store.state.settings.disableViaMobile" @change="onChangeDisableViaMobile">%i18n:@disable-via-mobile%</md-switch>
-					</div>
+				<div>
+					<ui-switch v-model="$store.state.settings.disableViaMobile" @change="onChangeDisableViaMobile">%i18n:@disable-via-mobile%</ui-switch>
+				</div>
 
-					<div>
-						<md-switch v-model="loadRawImages">%i18n:@load-raw-images%</md-switch>
-					</div>
+				<div>
+					<ui-switch v-model="loadRawImages">%i18n:@load-raw-images%</ui-switch>
+				</div>
 
-					<div>
-						<md-switch v-model="$store.state.settings.loadRemoteMedia" @change="onChangeLoadRemoteMedia">%i18n:@load-remote-media%</md-switch>
-					</div>
+				<div>
+					<ui-switch v-model="$store.state.settings.loadRemoteMedia" @change="onChangeLoadRemoteMedia">%i18n:@load-remote-media%</ui-switch>
+				</div>
 
-					<div>
-						<md-switch v-model="lightmode">%i18n:@i-am-under-limited-internet%</md-switch>
-					</div>
-				</md-card-content>
-			</md-card>
+				<div>
+					<ui-switch v-model="lightmode">%i18n:@i-am-under-limited-internet%</ui-switch>
+				</div>
+			</ui-group>
 
-			<md-card>
-				<md-card-header>
-					<div class="md-title">%fa:language% %i18n:@lang%</div>
-				</md-card-header>
+			<ui-group>
+				<div slot="title">%fa:language% %i18n:@lang%</div>
 
-				<md-card-content>
-					<md-field>
-						<md-select v-model="lang" placeholder="%i18n:@auto%">
-							<md-optgroup label="%i18n:@recommended%">
-								<md-option value="">%i18n:@auto%</md-option>
-							</md-optgroup>
+				<md-field>
+					<md-select v-model="lang" placeholder="%i18n:@auto%">
+						<md-optgroup label="%i18n:@recommended%">
+							<md-option value="">%i18n:@auto%</md-option>
+						</md-optgroup>
 
-							<md-optgroup label="%i18n:@specify-language%">
-								<md-option v-for="x in langs" :value="x[0]" :key="x[0]">{{ x[1] }}</md-option>
-							</md-optgroup>
-						</md-select>
-					</md-field>
-					<span class="md-helper-text">%fa:info-circle% %i18n:@lang-tip%</span>
-				</md-card-content>
-			</md-card>
+						<md-optgroup label="%i18n:@specify-language%">
+							<md-option v-for="x in langs" :value="x[0]" :key="x[0]">{{ x[1] }}</md-option>
+						</md-optgroup>
+					</md-select>
+				</md-field>
+				<span class="md-helper-text">%fa:info-circle% %i18n:@lang-tip%</span>
+			</ui-group>
 
-			<md-card>
-				<md-card-header>
-					<div class="md-title">%fa:B twitter% %i18n:@twitter%</div>
-				</md-card-header>
+			<ui-group>
+				<div slot="title">%fa:B twitter% %i18n:@twitter%</div>
 
-				<md-card-content>
-					<p class="account" v-if="$store.state.i.twitter"><a :href="`https://twitter.com/${$store.state.i.twitter.screenName}`" target="_blank">@{{ $store.state.i.twitter.screenName }}</a></p>
-					<p>
-						<a :href="`${apiUrl}/connect/twitter`" target="_blank">{{ $store.state.i.twitter ? '%i18n:@twitter-reconnect%' : '%i18n:@twitter-connect%' }}</a>
-						<span v-if="$store.state.i.twitter"> or </span>
-						<a :href="`${apiUrl}/disconnect/twitter`" target="_blank" v-if="$store.state.i.twitter">%i18n:@twitter-disconnect%</a>
-					</p>
-				</md-card-content>
-			</md-card>
+				<p class="account" v-if="$store.state.i.twitter"><a :href="`https://twitter.com/${$store.state.i.twitter.screenName}`" target="_blank">@{{ $store.state.i.twitter.screenName }}</a></p>
+				<p>
+					<a :href="`${apiUrl}/connect/twitter`" target="_blank">{{ $store.state.i.twitter ? '%i18n:@twitter-reconnect%' : '%i18n:@twitter-connect%' }}</a>
+					<span v-if="$store.state.i.twitter"> or </span>
+					<a :href="`${apiUrl}/disconnect/twitter`" target="_blank" v-if="$store.state.i.twitter">%i18n:@twitter-disconnect%</a>
+				</p>
+			</ui-group>
 
-			<md-card>
-				<md-card-header>
-					<div class="md-title">%fa:sync-alt% %i18n:@update%</div>
-				</md-card-header>
+			<ui-group>
+				<div slot="title">%fa:sync-alt% %i18n:@update%</div>
 
-				<md-card-content>
-					<div>%i18n:@version% <i>{{ version }}</i></div>
-					<template v-if="latestVersion !== undefined">
-						<div>%i18n:@latest-version% <i>{{ latestVersion ? latestVersion : version }}</i></div>
-					</template>
-					<md-button class="md-raised md-primary" @click="checkForUpdate" :disabled="checkingForUpdate">
-						<template v-if="checkingForUpdate">%i18n:@update-checking%<mk-ellipsis/></template>
-						<template v-else>%i18n:@check-for-updates%</template>
-					</md-button>
-				</md-card-content>
-			</md-card>
+				<div>%i18n:@version% <i>{{ version }}</i></div>
+				<template v-if="latestVersion !== undefined">
+					<div>%i18n:@latest-version% <i>{{ latestVersion ? latestVersion : version }}</i></div>
+				</template>
+				<md-button class="md-raised md-primary" @click="checkForUpdate" :disabled="checkingForUpdate">
+					<template v-if="checkingForUpdate">%i18n:@update-checking%<mk-ellipsis/></template>
+					<template v-else>%i18n:@check-for-updates%</template>
+				</md-button>
+			</ui-group>
 		</div>
 		<p><small>ver {{ version }} ({{ codename }})</small></p>
 	</main>
diff --git a/src/client/app/mobile/views/pages/settings/settings.profile.vue b/src/client/app/mobile/views/pages/settings/settings.profile.vue
index f3444eb1f..73d876d14 100644
--- a/src/client/app/mobile/views/pages/settings/settings.profile.vue
+++ b/src/client/app/mobile/views/pages/settings/settings.profile.vue
@@ -1,62 +1,47 @@
 <template>
-	<md-card>
-		<md-card-header>
-			<div class="md-title">%fa:pencil-alt% %i18n:@title%</div>
-		</md-card-header>
+<ui-group>
+	<div slot="title">%fa:pencil-alt% %i18n:@title%</div>
 
-		<md-card-content>
-			<md-field>
-				<label>%i18n:@name%</label>
-				<md-input v-model="name" :disabled="saving" md-counter="30"/>
-			</md-field>
+	<ui-form :disabled="saving">
+		<ui-input v-model="name" :max="30">
+			<span>%i18n:@name%</span>
+		</ui-input>
 
-			<md-field>
-				<label>%i18n:@account%</label>
-				<span class="md-prefix">@</span>
-				<md-input v-model="username" readonly></md-input>
-				<span class="md-suffix">@{{ host }}</span>
-			</md-field>
+		<ui-input v-model="username" readonly>
+			<span>%i18n:@account%</span>
+			<span slot="prefix">@</span>
+			<span slot="suffix">@{{ host }}</span>
+		</ui-input>
 
-			<md-field>
-				<md-icon>%fa:map-marker-alt%</md-icon>
-				<label>%i18n:@location%</label>
-				<md-input v-model="location" :disabled="saving"/>
-			</md-field>
+		<ui-input v-model="location">
+			<span>%i18n:@location%</span>
+			<span slot="prefix">%fa:map-marker-alt%</span>
+		</ui-input>
 
-			<md-field>
-				<md-icon>%fa:birthday-cake%</md-icon>
-				<label>%i18n:@birthday%</label>
-				<md-input type="date" v-model="birthday" :disabled="saving"/>
-			</md-field>
+		<ui-input v-model="birthday" type="date">
+			<span>%i18n:@birthday%</span>
+			<span slot="prefix">%fa:birthday-cake%</span>
+		</ui-input>
 
-			<md-field>
-				<label>%i18n:@description%</label>
-				<md-textarea v-model="description" :disabled="saving" md-counter="500"/>
-			</md-field>
+		<ui-textarea v-model="description" :max="500">
+			<span>%i18n:@description%</span>
+		</ui-textarea>
 
-			<md-field>
-				<label>%i18n:@avatar%</label>
-				<md-file @md-change="onAvatarChange"/>
-			</md-field>
+		<ui-input type="file" @change="onAvatarChange">
+			<span>%i18n:@avatar%</span>
+			<span slot="prefix">%fa:picture-o%</span>
+		</ui-input>
 
-			<md-field>
-				<label>%i18n:@banner%</label>
-				<md-file @md-change="onBannerChange"/>
-			</md-field>
+		<ui-input type="file" @change="onBannerChange">
+			<span>%i18n:@banner%</span>
+			<span slot="prefix">%fa:picture-o%</span>
+		</ui-input>
 
-			<md-dialog-alert
-					:md-active.sync="uploading"
-					md-content="%18n:!@uploading%"/>
+		<ui-switch v-model="isCat">%i18n:@is-cat%</ui-switch>
 
-			<div>
-				<md-switch v-model="isCat">%i18n:@is-cat%</md-switch>
-			</div>
-		</md-card-content>
-
-		<md-card-actions>
-			<md-button class="md-primary" :disabled="saving" @click="save">%i18n:@save%</md-button>
-		</md-card-actions>
-	</md-card>
+		<ui-button @click="save">%i18n:@save%</ui-button>
+	</ui-form>
+</ui-group>
 </template>
 
 <script lang="ts">
diff --git a/src/client/app/mobile/views/pages/signup.vue b/src/client/app/mobile/views/pages/signup.vue
index f2b29bca6..47384e2b3 100644
--- a/src/client/app/mobile/views/pages/signup.vue
+++ b/src/client/app/mobile/views/pages/signup.vue
@@ -18,7 +18,7 @@ export default Vue.extend({});
 
 	h1
 		margin 0
-		padding 8px
+		padding 8px 0 0 0
 		font-size 1.5em
 		font-weight bold
 		color #444
diff --git a/src/client/app/mobile/views/pages/welcome.vue b/src/client/app/mobile/views/pages/welcome.vue
index 01b20aa47..3b37a185b 100644
--- a/src/client/app/mobile/views/pages/welcome.vue
+++ b/src/client/app/mobile/views/pages/welcome.vue
@@ -10,16 +10,16 @@
 		</div>
 		<div class="login">
 			<form @submit.prevent="onSubmit">
-				<ui-input v-model="username" type="text" pattern="^[a-zA-Z0-9_]+$" placeholder="ユーザー名" autofocus required @change="onUsernameChange">
+				<ui-input v-model="username" type="text" pattern="^[a-zA-Z0-9_]+$" autofocus required @change="onUsernameChange">
 					<span>ユーザー名</span>
 					<span slot="prefix">@</span>
 					<span slot="suffix">@{{ host }}</span>
 				</ui-input>
-				<ui-input v-model="password" type="password" placeholder="パスワード" required>
+				<ui-input v-model="password" type="password" required>
 					<span>パスワード</span>
 					<span slot="prefix">%fa:lock%</span>
 				</ui-input>
-				<ui-input v-if="user && user.twoFactorEnabled" v-model="token" type="number" placeholder="トークン" required/>
+				<ui-input v-if="user && user.twoFactorEnabled" v-model="token" type="number" required/>
 				<ui-button type="submit" :disabled="signing">{{ signing ? 'ログインしています' : 'ログイン' }}</ui-button>
 			</form>
 			<div>
@@ -113,7 +113,7 @@ export default Vue.extend({
 		> .about
 			margin-top 16px
 			padding 16px
-			color #444
+			color #555
 			background #fff
 			border-radius 6px