diff --git a/packages/frontend/src/components/MkChart.vue b/packages/frontend/src/components/MkChart.vue
index c1a55906ae..d9f4558014 100644
--- a/packages/frontend/src/components/MkChart.vue
+++ b/packages/frontend/src/components/MkChart.vue
@@ -55,7 +55,7 @@ import { Chart } from 'chart.js';
 import * as Misskey from 'misskey-js';
 import { misskeyApiGet } from '@/utility/misskey-api.js';
 import { store } from '@/store.js';
-import { useChartTooltip } from '@/utility/use-chart-tooltip.js';
+import { useChartTooltip } from '@/use/use-chart-tooltip.js';
 import { chartVLine } from '@/utility/chart-vline.js';
 import { alpha } from '@/utility/color.js';
 import date from '@/filters/date.js';
diff --git a/packages/frontend/src/components/MkHeatmap.vue b/packages/frontend/src/components/MkHeatmap.vue
index 8339e68b07..8a84bfd541 100644
--- a/packages/frontend/src/components/MkHeatmap.vue
+++ b/packages/frontend/src/components/MkHeatmap.vue
@@ -18,7 +18,7 @@ import { Chart } from 'chart.js';
 import * as Misskey from 'misskey-js';
 import { misskeyApi } from '@/utility/misskey-api.js';
 import { store } from '@/store.js';
-import { useChartTooltip } from '@/utility/use-chart-tooltip.js';
+import { useChartTooltip } from '@/use/use-chart-tooltip.js';
 import { alpha } from '@/utility/color.js';
 import { initChart } from '@/utility/init-chart.js';
 
diff --git a/packages/frontend/src/components/MkInstanceStats.vue b/packages/frontend/src/components/MkInstanceStats.vue
index 9d475bc8aa..70777bb89a 100644
--- a/packages/frontend/src/components/MkInstanceStats.vue
+++ b/packages/frontend/src/components/MkInstanceStats.vue
@@ -88,7 +88,7 @@ import { onMounted, ref, computed, shallowRef } from 'vue';
 import { Chart } from 'chart.js';
 import MkSelect from '@/components/MkSelect.vue';
 import MkChart from '@/components/MkChart.vue';
-import { useChartTooltip } from '@/utility/use-chart-tooltip.js';
+import { useChartTooltip } from '@/use/use-chart-tooltip.js';
 import { $i } from '@/account.js';
 import * as os from '@/os.js';
 import { misskeyApiGet } from '@/utility/misskey-api.js';
diff --git a/packages/frontend/src/components/MkLink.vue b/packages/frontend/src/components/MkLink.vue
index 140fc9816c..4bac2bcea4 100644
--- a/packages/frontend/src/components/MkLink.vue
+++ b/packages/frontend/src/components/MkLink.vue
@@ -17,7 +17,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 <script lang="ts" setup>
 import { defineAsyncComponent, ref } from 'vue';
 import { url as local } from '@@/js/config.js';
-import { useTooltip } from '@/utility/use-tooltip.js';
+import { useTooltip } from '@/use/use-tooltip.js';
 import * as os from '@/os.js';
 import { isEnabledUrlPreview } from '@/instance.js';
 import type { MkABehavior } from '@/components/global/MkA.vue';
diff --git a/packages/frontend/src/components/MkNote.vue b/packages/frontend/src/components/MkNote.vue
index ca778d87de..aa352d5163 100644
--- a/packages/frontend/src/components/MkNote.vue
+++ b/packages/frontend/src/components/MkNote.vue
@@ -211,9 +211,9 @@ import { extractUrlFromMfm } from '@/utility/extract-url-from-mfm.js';
 import { $i } from '@/account.js';
 import { i18n } from '@/i18n.js';
 import { getAbuseNoteMenu, getCopyNoteLinkMenu, getNoteClipMenu, getNoteMenu, getRenoteMenu } from '@/utility/get-note-menu.js';
-import { useNoteCapture } from '@/utility/use-note-capture.js';
+import { useNoteCapture } from '@/use/use-note-capture.js';
 import { deepClone } from '@/utility/clone.js';
-import { useTooltip } from '@/utility/use-tooltip.js';
+import { useTooltip } from '@/use/use-tooltip.js';
 import { claimAchievement } from '@/utility/achievements.js';
 import { getNoteSummary } from '@/utility/get-note-summary.js';
 import MkRippleEffect from '@/components/MkRippleEffect.vue';
diff --git a/packages/frontend/src/components/MkNoteDetailed.vue b/packages/frontend/src/components/MkNoteDetailed.vue
index 3f3dbf6d83..b3f99b702a 100644
--- a/packages/frontend/src/components/MkNoteDetailed.vue
+++ b/packages/frontend/src/components/MkNoteDetailed.vue
@@ -241,9 +241,9 @@ import { extractUrlFromMfm } from '@/utility/extract-url-from-mfm.js';
 import { $i } from '@/account.js';
 import { i18n } from '@/i18n.js';
 import { getNoteClipMenu, getNoteMenu, getRenoteMenu } from '@/utility/get-note-menu.js';
-import { useNoteCapture } from '@/utility/use-note-capture.js';
+import { useNoteCapture } from '@/use/use-note-capture.js';
 import { deepClone } from '@/utility/clone.js';
-import { useTooltip } from '@/utility/use-tooltip.js';
+import { useTooltip } from '@/use/use-tooltip.js';
 import { claimAchievement } from '@/utility/achievements.js';
 import MkRippleEffect from '@/components/MkRippleEffect.vue';
 import { showMovedDialog } from '@/utility/show-moved-dialog.js';
diff --git a/packages/frontend/src/components/MkReactionIcon.vue b/packages/frontend/src/components/MkReactionIcon.vue
index cb25580bc2..7551524246 100644
--- a/packages/frontend/src/components/MkReactionIcon.vue
+++ b/packages/frontend/src/components/MkReactionIcon.vue
@@ -10,7 +10,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 
 <script lang="ts" setup>
 import { defineAsyncComponent, shallowRef } from 'vue';
-import { useTooltip } from '@/utility/use-tooltip.js';
+import { useTooltip } from '@/use/use-tooltip.js';
 import * as os from '@/os.js';
 
 const props = defineProps<{
diff --git a/packages/frontend/src/components/MkReactionsViewer.reaction.vue b/packages/frontend/src/components/MkReactionsViewer.reaction.vue
index f35c938d02..d079e68cde 100644
--- a/packages/frontend/src/components/MkReactionsViewer.reaction.vue
+++ b/packages/frontend/src/components/MkReactionsViewer.reaction.vue
@@ -26,7 +26,7 @@ import XDetails from '@/components/MkReactionsViewer.details.vue';
 import MkReactionIcon from '@/components/MkReactionIcon.vue';
 import * as os from '@/os.js';
 import { misskeyApi, misskeyApiGet } from '@/utility/misskey-api.js';
-import { useTooltip } from '@/utility/use-tooltip.js';
+import { useTooltip } from '@/use/use-tooltip.js';
 import { $i } from '@/account.js';
 import MkReactionEffect from '@/components/MkReactionEffect.vue';
 import { claimAchievement } from '@/utility/achievements.js';
diff --git a/packages/frontend/src/components/MkRetentionHeatmap.vue b/packages/frontend/src/components/MkRetentionHeatmap.vue
index c53bf98f67..a962b37e4a 100644
--- a/packages/frontend/src/components/MkRetentionHeatmap.vue
+++ b/packages/frontend/src/components/MkRetentionHeatmap.vue
@@ -17,7 +17,7 @@ import { onMounted, nextTick, shallowRef, ref } from 'vue';
 import { Chart } from 'chart.js';
 import { misskeyApi } from '@/utility/misskey-api.js';
 import { store } from '@/store.js';
-import { useChartTooltip } from '@/utility/use-chart-tooltip.js';
+import { useChartTooltip } from '@/use/use-chart-tooltip.js';
 import { alpha } from '@/utility/color.js';
 import { initChart } from '@/utility/init-chart.js';
 
diff --git a/packages/frontend/src/components/MkRetentionLineChart.vue b/packages/frontend/src/components/MkRetentionLineChart.vue
index 9e03be3e7f..6fa19efed5 100644
--- a/packages/frontend/src/components/MkRetentionLineChart.vue
+++ b/packages/frontend/src/components/MkRetentionLineChart.vue
@@ -12,7 +12,7 @@ import { onMounted, shallowRef } from 'vue';
 import { Chart } from 'chart.js';
 import tinycolor from 'tinycolor2';
 import { store } from '@/store.js';
-import { useChartTooltip } from '@/utility/use-chart-tooltip.js';
+import { useChartTooltip } from '@/use/use-chart-tooltip.js';
 import { chartVLine } from '@/utility/chart-vline.js';
 import { alpha } from '@/utility/color.js';
 import { initChart } from '@/utility/init-chart.js';
diff --git a/packages/frontend/src/components/MkVisitorDashboard.ActiveUsersChart.vue b/packages/frontend/src/components/MkVisitorDashboard.ActiveUsersChart.vue
index 872d4201bb..4168876f08 100644
--- a/packages/frontend/src/components/MkVisitorDashboard.ActiveUsersChart.vue
+++ b/packages/frontend/src/components/MkVisitorDashboard.ActiveUsersChart.vue
@@ -19,7 +19,7 @@ import gradient from 'chartjs-plugin-gradient';
 import tinycolor from 'tinycolor2';
 import { misskeyApi } from '@/utility/misskey-api.js';
 import { store } from '@/store.js';
-import { useChartTooltip } from '@/utility/use-chart-tooltip.js';
+import { useChartTooltip } from '@/use/use-chart-tooltip.js';
 import { chartVLine } from '@/utility/chart-vline.js';
 import { initChart } from '@/utility/init-chart.js';
 
diff --git a/packages/frontend/src/components/global/MkUrl.vue b/packages/frontend/src/components/global/MkUrl.vue
index d28db0d0ca..0c248b041d 100644
--- a/packages/frontend/src/components/global/MkUrl.vue
+++ b/packages/frontend/src/components/global/MkUrl.vue
@@ -29,7 +29,7 @@ import { defineAsyncComponent, ref } from 'vue';
 import { toUnicode as decodePunycode } from 'punycode.js';
 import { url as local } from '@@/js/config.js';
 import * as os from '@/os.js';
-import { useTooltip } from '@/utility/use-tooltip.js';
+import { useTooltip } from '@/use/use-tooltip.js';
 import { isEnabledUrlPreview } from '@/instance.js';
 import type { MkABehavior } from '@/components/global/MkA.vue';
 
diff --git a/packages/frontend/src/components/grid/MkDataCell.vue b/packages/frontend/src/components/grid/MkDataCell.vue
index f813bcb73f..f7f6f5c140 100644
--- a/packages/frontend/src/components/grid/MkDataCell.vue
+++ b/packages/frontend/src/components/grid/MkDataCell.vue
@@ -90,7 +90,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 <script setup lang="ts">
 import { computed, defineAsyncComponent, nextTick, onMounted, onUnmounted, ref, shallowRef, toRefs, watch } from 'vue';
 import { GridEventEmitter } from '@/components/grid/grid.js';
-import { useTooltip } from '@/utility/use-tooltip.js';
+import { useTooltip } from '@/use/use-tooltip.js';
 import * as os from '@/os.js';
 import { equalCellAddress, getCellAddress } from '@/components/grid/grid-utils.js';
 import type { Size } from '@/components/grid/grid.js';
diff --git a/packages/frontend/src/pages/admin/bot-protection.vue b/packages/frontend/src/pages/admin/bot-protection.vue
index 59b8435595..2bd734f7d3 100644
--- a/packages/frontend/src/pages/admin/bot-protection.vue
+++ b/packages/frontend/src/pages/admin/bot-protection.vue
@@ -163,7 +163,7 @@ import * as os from '@/os.js';
 import { misskeyApi } from '@/utility/misskey-api.js';
 import { fetchInstance } from '@/instance.js';
 import { i18n } from '@/i18n.js';
-import { useForm } from '@/utility/use-form.js';
+import { useForm } from '@/use/use-form.js';
 import MkFormFooter from '@/components/MkFormFooter.vue';
 import MkFolder from '@/components/MkFolder.vue';
 import MkInfo from '@/components/MkInfo.vue';
diff --git a/packages/frontend/src/pages/admin/overview.active-users.vue b/packages/frontend/src/pages/admin/overview.active-users.vue
index 7cada9b5be..5c50336b2c 100644
--- a/packages/frontend/src/pages/admin/overview.active-users.vue
+++ b/packages/frontend/src/pages/admin/overview.active-users.vue
@@ -18,7 +18,7 @@ import { Chart } from 'chart.js';
 import gradient from 'chartjs-plugin-gradient';
 import { misskeyApi } from '@/utility/misskey-api.js';
 import { store } from '@/store.js';
-import { useChartTooltip } from '@/utility/use-chart-tooltip.js';
+import { useChartTooltip } from '@/use/use-chart-tooltip.js';
 import { chartVLine } from '@/utility/chart-vline.js';
 import { initChart } from '@/utility/init-chart.js';
 
diff --git a/packages/frontend/src/pages/admin/overview.ap-requests.vue b/packages/frontend/src/pages/admin/overview.ap-requests.vue
index bbfe60d205..1949201ca0 100644
--- a/packages/frontend/src/pages/admin/overview.ap-requests.vue
+++ b/packages/frontend/src/pages/admin/overview.ap-requests.vue
@@ -25,7 +25,7 @@ import { Chart } from 'chart.js';
 import gradient from 'chartjs-plugin-gradient';
 import isChromatic from 'chromatic';
 import { misskeyApi } from '@/utility/misskey-api.js';
-import { useChartTooltip } from '@/utility/use-chart-tooltip.js';
+import { useChartTooltip } from '@/use/use-chart-tooltip.js';
 import { chartVLine } from '@/utility/chart-vline.js';
 import { store } from '@/store.js';
 import { alpha } from '@/utility/color.js';
diff --git a/packages/frontend/src/pages/admin/overview.federation.vue b/packages/frontend/src/pages/admin/overview.federation.vue
index 362f0974e0..6d6d431863 100644
--- a/packages/frontend/src/pages/admin/overview.federation.vue
+++ b/packages/frontend/src/pages/admin/overview.federation.vue
@@ -54,7 +54,7 @@ import { misskeyApiGet } from '@/utility/misskey-api.js';
 import number from '@/filters/number.js';
 import MkNumberDiff from '@/components/MkNumberDiff.vue';
 import { i18n } from '@/i18n.js';
-import { useChartTooltip } from '@/utility/use-chart-tooltip.js';
+import { useChartTooltip } from '@/use/use-chart-tooltip.js';
 
 const topSubInstancesForPie = ref<InstanceForPie[] | null>(null);
 const topPubInstancesForPie = ref<InstanceForPie[] | null>(null);
diff --git a/packages/frontend/src/pages/admin/overview.pie.vue b/packages/frontend/src/pages/admin/overview.pie.vue
index 792565dd96..424bcdd51f 100644
--- a/packages/frontend/src/pages/admin/overview.pie.vue
+++ b/packages/frontend/src/pages/admin/overview.pie.vue
@@ -10,7 +10,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 <script lang="ts" setup>
 import { onMounted, shallowRef } from 'vue';
 import { Chart } from 'chart.js';
-import { useChartTooltip } from '@/utility/use-chart-tooltip.js';
+import { useChartTooltip } from '@/use/use-chart-tooltip.js';
 import { initChart } from '@/utility/init-chart.js';
 
 export type InstanceForPie = {
diff --git a/packages/frontend/src/pages/admin/overview.queue.chart.vue b/packages/frontend/src/pages/admin/overview.queue.chart.vue
index 708768a1e4..34c0945ddb 100644
--- a/packages/frontend/src/pages/admin/overview.queue.chart.vue
+++ b/packages/frontend/src/pages/admin/overview.queue.chart.vue
@@ -11,7 +11,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 import { onMounted, shallowRef } from 'vue';
 import { Chart } from 'chart.js';
 import { store } from '@/store.js';
-import { useChartTooltip } from '@/utility/use-chart-tooltip.js';
+import { useChartTooltip } from '@/use/use-chart-tooltip.js';
 import { chartVLine } from '@/utility/chart-vline.js';
 import { alpha } from '@/utility/color.js';
 import { initChart } from '@/utility/init-chart.js';
diff --git a/packages/frontend/src/pages/admin/performance.vue b/packages/frontend/src/pages/admin/performance.vue
index 8fa2c61613..6bb0918fea 100644
--- a/packages/frontend/src/pages/admin/performance.vue
+++ b/packages/frontend/src/pages/admin/performance.vue
@@ -119,7 +119,7 @@ import MkSwitch from '@/components/MkSwitch.vue';
 import MkFolder from '@/components/MkFolder.vue';
 import MkInput from '@/components/MkInput.vue';
 import MkLink from '@/components/MkLink.vue';
-import { useForm } from '@/utility/use-form.js';
+import { useForm } from '@/use/use-form.js';
 import MkFormFooter from '@/components/MkFormFooter.vue';
 
 const meta = await misskeyApi('admin/meta');
diff --git a/packages/frontend/src/pages/admin/queue.chart.chart.vue b/packages/frontend/src/pages/admin/queue.chart.chart.vue
index 071d4b2f51..9c7a83b1fb 100644
--- a/packages/frontend/src/pages/admin/queue.chart.chart.vue
+++ b/packages/frontend/src/pages/admin/queue.chart.chart.vue
@@ -11,7 +11,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 import { onMounted, shallowRef } from 'vue';
 import { Chart } from 'chart.js';
 import { store } from '@/store.js';
-import { useChartTooltip } from '@/utility/use-chart-tooltip.js';
+import { useChartTooltip } from '@/use/use-chart-tooltip.js';
 import { chartVLine } from '@/utility/chart-vline.js';
 import { alpha } from '@/utility/color.js';
 import { initChart } from '@/utility/init-chart.js';
diff --git a/packages/frontend/src/pages/admin/security.vue b/packages/frontend/src/pages/admin/security.vue
index 85dcec6b2e..13f57b8549 100644
--- a/packages/frontend/src/pages/admin/security.vue
+++ b/packages/frontend/src/pages/admin/security.vue
@@ -135,7 +135,7 @@ import { misskeyApi } from '@/utility/misskey-api.js';
 import { fetchInstance } from '@/instance.js';
 import { i18n } from '@/i18n.js';
 import { definePage } from '@/page.js';
-import { useForm } from '@/utility/use-form.js';
+import { useForm } from '@/use/use-form.js';
 import MkFormFooter from '@/components/MkFormFooter.vue';
 
 const meta = await misskeyApi('admin/meta');
diff --git a/packages/frontend/src/pages/admin/settings.vue b/packages/frontend/src/pages/admin/settings.vue
index 8c89664671..c019bda32c 100644
--- a/packages/frontend/src/pages/admin/settings.vue
+++ b/packages/frontend/src/pages/admin/settings.vue
@@ -273,7 +273,7 @@ import { definePage } from '@/page.js';
 import MkButton from '@/components/MkButton.vue';
 import MkFolder from '@/components/MkFolder.vue';
 import MkKeyValue from '@/components/MkKeyValue.vue';
-import { useForm } from '@/utility/use-form.js';
+import { useForm } from '@/use/use-form.js';
 import MkFormFooter from '@/components/MkFormFooter.vue';
 import MkRadios from '@/components/MkRadios.vue';
 
diff --git a/packages/frontend/src/pages/theme-editor.vue b/packages/frontend/src/pages/theme-editor.vue
index 11971756f4..5ee42cc1ec 100644
--- a/packages/frontend/src/pages/theme-editor.vue
+++ b/packages/frontend/src/pages/theme-editor.vue
@@ -92,7 +92,7 @@ import * as os from '@/os.js';
 import { store } from '@/store.js';
 import { addTheme } from '@/theme-store.js';
 import { i18n } from '@/i18n.js';
-import { useLeaveGuard } from '@/utility/use-leave-guard.js';
+import { useLeaveGuard } from '@/use/use-leave-guard.js';
 import { definePage } from '@/page.js';
 import { prefer } from '@/preferences.js';
 
diff --git a/packages/frontend/src/pages/user/activity.following.vue b/packages/frontend/src/pages/user/activity.following.vue
index a86387571a..3b5e9617d5 100644
--- a/packages/frontend/src/pages/user/activity.following.vue
+++ b/packages/frontend/src/pages/user/activity.following.vue
@@ -21,7 +21,7 @@ import * as Misskey from 'misskey-js';
 import gradient from 'chartjs-plugin-gradient';
 import { misskeyApi } from '@/utility/misskey-api.js';
 import { store } from '@/store.js';
-import { useChartTooltip } from '@/utility/use-chart-tooltip.js';
+import { useChartTooltip } from '@/use/use-chart-tooltip.js';
 import { chartVLine } from '@/utility/chart-vline.js';
 import { initChart } from '@/utility/init-chart.js';
 import { chartLegend } from '@/utility/chart-legend.js';
diff --git a/packages/frontend/src/pages/user/activity.notes.vue b/packages/frontend/src/pages/user/activity.notes.vue
index d083fdebed..af8e4d43a6 100644
--- a/packages/frontend/src/pages/user/activity.notes.vue
+++ b/packages/frontend/src/pages/user/activity.notes.vue
@@ -21,7 +21,7 @@ import * as Misskey from 'misskey-js';
 import gradient from 'chartjs-plugin-gradient';
 import { misskeyApi } from '@/utility/misskey-api.js';
 import { store } from '@/store.js';
-import { useChartTooltip } from '@/utility/use-chart-tooltip.js';
+import { useChartTooltip } from '@/use/use-chart-tooltip.js';
 import { chartVLine } from '@/utility/chart-vline.js';
 import { initChart } from '@/utility/init-chart.js';
 import { chartLegend } from '@/utility/chart-legend.js';
diff --git a/packages/frontend/src/pages/user/activity.pv.vue b/packages/frontend/src/pages/user/activity.pv.vue
index d5e8f45608..32e4e78d21 100644
--- a/packages/frontend/src/pages/user/activity.pv.vue
+++ b/packages/frontend/src/pages/user/activity.pv.vue
@@ -21,7 +21,7 @@ import * as Misskey from 'misskey-js';
 import gradient from 'chartjs-plugin-gradient';
 import { misskeyApi } from '@/utility/misskey-api.js';
 import { store } from '@/store.js';
-import { useChartTooltip } from '@/utility/use-chart-tooltip.js';
+import { useChartTooltip } from '@/use/use-chart-tooltip.js';
 import { chartVLine } from '@/utility/chart-vline.js';
 import { initChart } from '@/utility/init-chart.js';
 import { chartLegend } from '@/utility/chart-legend.js';
diff --git a/packages/frontend/src/utility/use-chart-tooltip.ts b/packages/frontend/src/use/use-chart-tooltip.ts
similarity index 100%
rename from packages/frontend/src/utility/use-chart-tooltip.ts
rename to packages/frontend/src/use/use-chart-tooltip.ts
diff --git a/packages/frontend/src/utility/use-form.ts b/packages/frontend/src/use/use-form.ts
similarity index 100%
rename from packages/frontend/src/utility/use-form.ts
rename to packages/frontend/src/use/use-form.ts
diff --git a/packages/frontend/src/utility/use-leave-guard.ts b/packages/frontend/src/use/use-leave-guard.ts
similarity index 100%
rename from packages/frontend/src/utility/use-leave-guard.ts
rename to packages/frontend/src/use/use-leave-guard.ts
diff --git a/packages/frontend/src/utility/use-note-capture.ts b/packages/frontend/src/use/use-note-capture.ts
similarity index 100%
rename from packages/frontend/src/utility/use-note-capture.ts
rename to packages/frontend/src/use/use-note-capture.ts
diff --git a/packages/frontend/src/utility/use-tooltip.ts b/packages/frontend/src/use/use-tooltip.ts
similarity index 100%
rename from packages/frontend/src/utility/use-tooltip.ts
rename to packages/frontend/src/use/use-tooltip.ts