diff --git a/packages/frontend/src/ui/deck.vue b/packages/frontend/src/ui/deck.vue
index df695b9f4b..b91d6d7675 100644
--- a/packages/frontend/src/ui/deck.vue
+++ b/packages/frontend/src/ui/deck.vue
@@ -19,7 +19,6 @@
 					:class="$style.column"
 					:column="columns.find(c => c.id === id)"
 					:isStacked="ids.length > 1"
-					@parentFocus="moveFocus(id, $event)"
 				/>
 			</section>
 			<div v-if="layout.length === 0" class="_panel" :class="$style.onboarding">
@@ -206,11 +205,8 @@ window.addEventListener('wheel', (ev) => {
 		columnsEl.scrollLeft += ev.deltaY;
 	}
 });
-loadDeck();
 
-function moveFocus(id: string, direction: 'up' | 'down' | 'left' | 'right') {
-	// TODO??
-}
+loadDeck();
 
 function changeProfile(ev: MouseEvent) {
 	const items = ref([{
diff --git a/packages/frontend/src/ui/deck/antenna-column.vue b/packages/frontend/src/ui/deck/antenna-column.vue
index 661f4cab82..d35fa58638 100644
--- a/packages/frontend/src/ui/deck/antenna-column.vue
+++ b/packages/frontend/src/ui/deck/antenna-column.vue
@@ -1,5 +1,5 @@
 <template>
-<XColumn :menu="menu" :column="column" :isStacked="isStacked" @parentFocus="$event => emit('parent-focus', $event)">
+<XColumn :menu="menu" :column="column" :isStacked="isStacked">
 	<template #header>
 		<i class="ti ti-antenna"></i><span style="margin-left: 8px;">{{ column.name }}</span>
 	</template>
@@ -23,7 +23,6 @@ const props = defineProps<{
 
 const emit = defineEmits<{
 	(ev: 'loaded'): void;
-	(ev: 'parent-focus', direction: 'up' | 'down' | 'left' | 'right'): void;
 }>();
 
 let timeline = $shallowRef<InstanceType<typeof MkTimeline>>();
diff --git a/packages/frontend/src/ui/deck/channel-column.vue b/packages/frontend/src/ui/deck/channel-column.vue
index 14858750d5..a967d9f08e 100644
--- a/packages/frontend/src/ui/deck/channel-column.vue
+++ b/packages/frontend/src/ui/deck/channel-column.vue
@@ -1,5 +1,5 @@
 <template>
-<XColumn :menu="menu" :column="column" :isStacked="isStacked" @parentFocus="$event => emit('parent-focus', $event)">
+<XColumn :menu="menu" :column="column" :isStacked="isStacked">
 	<template #header>
 		<i class="ti ti-device-tv"></i><span style="margin-left: 8px;">{{ column.name }}</span>
 	</template>
@@ -29,7 +29,6 @@ const props = defineProps<{
 
 const emit = defineEmits<{
 	(ev: 'loaded'): void;
-	(ev: 'parent-focus', direction: 'up' | 'down' | 'left' | 'right'): void;
 }>();
 
 let timeline = $shallowRef<InstanceType<typeof MkTimeline>>();
diff --git a/packages/frontend/src/ui/deck/column.vue b/packages/frontend/src/ui/deck/column.vue
index 402bbe0352..e2c651beca 100644
--- a/packages/frontend/src/ui/deck/column.vue
+++ b/packages/frontend/src/ui/deck/column.vue
@@ -1,7 +1,5 @@
 <template>
-<!-- sectionを利用しているのは、deck.vue側でcolumnに対してfirst-of-typeを効かせるため -->
-<section
-	v-hotkey="keymap"
+<div
 	:class="[$style.root, { [$style.paged]: isMainColumn, [$style.naked]: naked, [$style.active]: active, [$style.isStacked]: isStacked, [$style.draghover]: draghover, [$style.dragging]: dragging, [$style.dropready]: dropready }]"
 	@dragover.prevent.stop="onDragover"
 	@dragleave="onDragleave"
@@ -22,10 +20,10 @@
 		<span :class="$style.title"><slot name="header"></slot></span>
 		<button v-tooltip="i18n.ts.settings" :class="$style.menu" class="_button" @click.stop="showSettingsMenu"><i class="ti ti-dots"></i></button>
 	</header>
-	<div v-show="active" ref="body" :class="$style.body">
+	<div v-if="active" ref="body" :class="$style.body">
 		<slot></slot>
 	</div>
-</section>
+</div>
 </template>
 
 <script lang="ts" setup>
@@ -49,12 +47,7 @@ const props = withDefaults(defineProps<{
 	naked: false,
 });
 
-const emit = defineEmits<{
-	(ev: 'parent-focus', direction: 'up' | 'down' | 'left' | 'right'): void;
-	(ev: 'change-active-state', v: boolean): void;
-}>();
-
-let body = $shallowRef<HTMLDivElement>();
+let body = $shallowRef<HTMLDivElement | null>();
 
 let dragging = $ref(false);
 watch($$(dragging), v => os.deckGlobalEvents.emit(v ? 'column.dragStart' : 'column.dragEnd'));
@@ -64,14 +57,6 @@ let dropready = $ref(false);
 
 const isMainColumn = $computed(() => props.column.type === 'main');
 const active = $computed(() => props.column.active !== false);
-watch($$(active), v => emit('change-active-state', v));
-
-const keymap = $computed(() => ({
-	'shift+up': () => emit('parent-focus', 'up'),
-	'shift+down': () => emit('parent-focus', 'down'),
-	'shift+left': () => emit('parent-focus', 'left'),
-	'shift+right': () => emit('parent-focus', 'right'),
-}));
 
 onMounted(() => {
 	os.deckGlobalEvents.on('column.dragStart', onOtherDragStart);
@@ -190,10 +175,12 @@ function onContextmenu(ev: MouseEvent) {
 }
 
 function goTop() {
-	body.scrollTo({
-		top: 0,
-		behavior: 'smooth',
-	});
+	if (body) {
+		body.scrollTo({
+			top: 0,
+			behavior: 'smooth',
+		});
+	}
 }
 
 function onDragstart(ev) {
diff --git a/packages/frontend/src/ui/deck/direct-column.vue b/packages/frontend/src/ui/deck/direct-column.vue
index 5f76ea6d86..f3397ceae6 100644
--- a/packages/frontend/src/ui/deck/direct-column.vue
+++ b/packages/frontend/src/ui/deck/direct-column.vue
@@ -1,5 +1,5 @@
 <template>
-<XColumn :column="column" :isStacked="isStacked" @parentFocus="$event => emit('parent-focus', $event)">
+<XColumn :column="column" :isStacked="isStacked">
 	<template #header><i class="ti ti-mail" style="margin-right: 8px;"></i>{{ column.name }}</template>
 
 	<MkNotes :pagination="pagination"/>
@@ -18,7 +18,6 @@ defineProps<{
 }>();
 
 const emit = defineEmits<{
-	(ev: 'parent-focus', direction: 'up' | 'down' | 'left' | 'right'): void;
 }>();
 
 const pagination = {
diff --git a/packages/frontend/src/ui/deck/list-column.vue b/packages/frontend/src/ui/deck/list-column.vue
index 165b654514..439db8815a 100644
--- a/packages/frontend/src/ui/deck/list-column.vue
+++ b/packages/frontend/src/ui/deck/list-column.vue
@@ -1,5 +1,5 @@
 <template>
-<XColumn :menu="menu" :column="column" :isStacked="isStacked" @parentFocus="$event => emit('parent-focus', $event)">
+<XColumn :menu="menu" :column="column" :isStacked="isStacked">
 	<template #header>
 		<i class="ti ti-list"></i><span style="margin-left: 8px;">{{ column.name }}</span>
 	</template>
@@ -23,7 +23,6 @@ const props = defineProps<{
 
 const emit = defineEmits<{
 	(ev: 'loaded'): void;
-	(ev: 'parent-focus', direction: 'up' | 'down' | 'left' | 'right'): void;
 }>();
 
 let timeline = $shallowRef<InstanceType<typeof MkTimeline>>();
diff --git a/packages/frontend/src/ui/deck/main-column.vue b/packages/frontend/src/ui/deck/main-column.vue
index 5448e3d2f3..b2b558b308 100644
--- a/packages/frontend/src/ui/deck/main-column.vue
+++ b/packages/frontend/src/ui/deck/main-column.vue
@@ -1,5 +1,5 @@
 <template>
-<XColumn v-if="deckStore.state.alwaysShowMainColumn || mainRouter.currentRoute.value.name !== 'index'" :column="column" :isStacked="isStacked" @parentFocus="$event => emit('parent-focus', $event)">
+<XColumn v-if="deckStore.state.alwaysShowMainColumn || mainRouter.currentRoute.value.name !== 'index'" :column="column" :isStacked="isStacked">
 	<template #header>
 		<template v-if="pageMetadata?.value">
 			<i :class="pageMetadata?.value.icon"></i>
@@ -26,7 +26,6 @@ defineProps<{
 }>();
 
 const emit = defineEmits<{
-	(ev: 'parent-focus', direction: 'up' | 'down' | 'left' | 'right'): void;
 }>();
 
 let pageMetadata = $ref<null | ComputedRef<PageMetadata>>();
diff --git a/packages/frontend/src/ui/deck/mentions-column.vue b/packages/frontend/src/ui/deck/mentions-column.vue
index d6f9d88043..63fc57db74 100644
--- a/packages/frontend/src/ui/deck/mentions-column.vue
+++ b/packages/frontend/src/ui/deck/mentions-column.vue
@@ -1,5 +1,5 @@
 <template>
-<XColumn :column="column" :isStacked="isStacked" @parentFocus="$event => emit('parent-focus', $event)">
+<XColumn :column="column" :isStacked="isStacked">
 	<template #header><i class="ti ti-at" style="margin-right: 8px;"></i>{{ column.name }}</template>
 
 	<MkNotes :pagination="pagination"/>
@@ -18,7 +18,6 @@ defineProps<{
 }>();
 
 const emit = defineEmits<{
-	(ev: 'parent-focus', direction: 'up' | 'down' | 'left' | 'right'): void;
 }>();
 
 const pagination = {
diff --git a/packages/frontend/src/ui/deck/notifications-column.vue b/packages/frontend/src/ui/deck/notifications-column.vue
index 48d88aa6cf..e10b496447 100644
--- a/packages/frontend/src/ui/deck/notifications-column.vue
+++ b/packages/frontend/src/ui/deck/notifications-column.vue
@@ -1,5 +1,5 @@
 <template>
-<XColumn :column="column" :isStacked="isStacked" :menu="menu" @parentFocus="$event => emit('parent-focus', $event)">
+<XColumn :column="column" :isStacked="isStacked" :menu="menu">
 	<template #header><i class="ti ti-bell" style="margin-right: 8px;"></i>{{ column.name }}</template>
 
 	<XNotifications :includeTypes="column.includingTypes"/>
@@ -20,7 +20,6 @@ const props = defineProps<{
 }>();
 
 const emit = defineEmits<{
-	(ev: 'parent-focus', direction: 'up' | 'down' | 'left' | 'right'): void;
 }>();
 
 function func() {
diff --git a/packages/frontend/src/ui/deck/role-timeline-column.vue b/packages/frontend/src/ui/deck/role-timeline-column.vue
index cb189cae4b..df21fff431 100644
--- a/packages/frontend/src/ui/deck/role-timeline-column.vue
+++ b/packages/frontend/src/ui/deck/role-timeline-column.vue
@@ -1,5 +1,5 @@
 <template>
-<XColumn :menu="menu" :column="column" :isStacked="isStacked" @parentFocus="$event => emit('parent-focus', $event)">
+<XColumn :menu="menu" :column="column" :isStacked="isStacked">
 	<template #header>
 		<i class="ti ti-badge"></i><span style="margin-left: 8px;">{{ column.name }}</span>
 	</template>
@@ -23,7 +23,6 @@ const props = defineProps<{
 
 const emit = defineEmits<{
 	(ev: 'loaded'): void;
-	(ev: 'parent-focus', direction: 'up' | 'down' | 'left' | 'right'): void;
 }>();
 
 let timeline = $shallowRef<InstanceType<typeof MkTimeline>>();
diff --git a/packages/frontend/src/ui/deck/tl-column.vue b/packages/frontend/src/ui/deck/tl-column.vue
index a4fea6564b..c0840f9d98 100644
--- a/packages/frontend/src/ui/deck/tl-column.vue
+++ b/packages/frontend/src/ui/deck/tl-column.vue
@@ -1,5 +1,5 @@
 <template>
-<XColumn :menu="menu" :column="column" :isStacked="isStacked" @parentFocus="$event => emit('parent-focus', $event)">
+<XColumn :menu="menu" :column="column" :isStacked="isStacked">
 	<template #header>
 		<i v-if="column.tl === 'home'" class="ti ti-home"></i>
 		<i v-else-if="column.tl === 'local'" class="ti ti-planet"></i>
@@ -36,7 +36,6 @@ const props = defineProps<{
 
 const emit = defineEmits<{
 	(ev: 'loaded'): void;
-	(ev: 'parent-focus', direction: 'up' | 'down' | 'left' | 'right'): void;
 }>();
 
 let disabled = $ref(false);
diff --git a/packages/frontend/src/ui/deck/widgets-column.vue b/packages/frontend/src/ui/deck/widgets-column.vue
index af35d3ac13..2c4095ac4e 100644
--- a/packages/frontend/src/ui/deck/widgets-column.vue
+++ b/packages/frontend/src/ui/deck/widgets-column.vue
@@ -1,5 +1,5 @@
 <template>
-<XColumn :menu="menu" :naked="true" :column="column" :isStacked="isStacked" @parentFocus="$event => emit('parent-focus', $event)">
+<XColumn :menu="menu" :naked="true" :column="column" :isStacked="isStacked">
 	<template #header><i class="ti ti-apps" style="margin-right: 8px;"></i>{{ column.name }}</template>
 
 	<div :class="$style.root">
@@ -22,7 +22,6 @@ const props = defineProps<{
 }>();
 
 const emit = defineEmits<{
-	(ev: 'parent-focus', direction: 'up' | 'down' | 'left' | 'right'): void;
 }>();
 
 let edit = $ref(false);