diff --git a/apps/stage-tamagotchi/src/renderer/components/stage-islands/controls-island/control-button.vue b/apps/stage-tamagotchi/src/renderer/components/stage-islands/controls-island/control-button.vue
index a177a253c..586ad4d89 100644
--- a/apps/stage-tamagotchi/src/renderer/components/stage-islands/controls-island/control-button.vue
+++ b/apps/stage-tamagotchi/src/renderer/components/stage-islands/controls-island/control-button.vue
@@ -1,3 +1,7 @@
+<script setup lang="ts">
+const props = defineProps<{ buttonStyle?: string }>()
+</script>
+
 <template>
   <button
     :class="[
@@ -6,6 +10,7 @@
       'w-fit flex items-center self-end justify-center p-2',
       'rounded-xl backdrop-blur-md',
       'transition-all hover:transition-none transition-duration-300 transition-ease-out',
+      props.buttonStyle,
     ]"
   >
     <slot />
diff --git a/apps/stage-tamagotchi/src/renderer/components/stage-islands/controls-island/controls-island-fade-on-hover.vue b/apps/stage-tamagotchi/src/renderer/components/stage-islands/controls-island/controls-island-fade-on-hover.vue
index 151063f76..2ecc4f946 100644
--- a/apps/stage-tamagotchi/src/renderer/components/stage-islands/controls-island/controls-island-fade-on-hover.vue
+++ b/apps/stage-tamagotchi/src/renderer/components/stage-islands/controls-island/controls-island-fade-on-hover.vue
@@ -9,6 +9,15 @@ import { noticeWindowEventa } from '../../../../shared/eventa'
 import { useElectronEventaInvoke } from '../../../composables/electron-vueuse/use-electron-eventa-context'
 import { useControlsIslandStore } from '../../../stores/controls-island'
 
+interface Props {
+  iconClass?: string
+  buttonStyle?: string
+}
+
+const props = withDefaults(defineProps<Props>(), {
+  iconClass: 'size-5',
+})
+
 const uiStore = useControlsIslandStore()
 const enabled = computed(() => uiStore.fadeOnHoverEnabled)
 const { t } = useI18n()
@@ -45,12 +54,13 @@ async function handleToggle() {
 <template>
   <ControlButtonTooltip>
     <ControlButton
+      :button-style="props.buttonStyle"
       :class="{ 'border-primary-300/70 shadow-[0_10px_24px_rgba(0,0,0,0.22)]': enabled }"
       @click="handleToggle"
     >
       <Transition name="fade" mode="out-in">
-        <div v-if="enabled" i-ph:eye size-5 text="primary-700 dark:primary-300" />
-        <div v-else i-ph:eye-slash size-5 text="neutral-800 dark:neutral-300" />
+        <div v-if="enabled" i-ph:eye :class="props.iconClass" text="primary-700 dark:primary-300" />
+        <div v-else i-ph:eye-slash :class="props.iconClass" text="neutral-800 dark:neutral-300" />
       </Transition>
     </ControlButton>
 
diff --git a/apps/stage-tamagotchi/src/renderer/components/stage-islands/controls-island/index.vue b/apps/stage-tamagotchi/src/renderer/components/stage-islands/controls-island/index.vue
index 28ca1988d..3d43c239a 100644
--- a/apps/stage-tamagotchi/src/renderer/components/stage-islands/controls-island/index.vue
+++ b/apps/stage-tamagotchi/src/renderer/components/stage-islands/controls-island/index.vue
@@ -2,8 +2,10 @@
 import { defineInvoke } from '@moeru/eventa'
 import { useSettingsAudioDevice } from '@proj-airi/stage-ui/stores/settings'
 import { useTheme } from '@proj-airi/ui'
+import { useWindowSize } from '@vueuse/core'
 import { storeToRefs } from 'pinia'
-import { ref } from 'vue'
+import { computed, ref } from 'vue'
+import { useI18n } from 'vue-i18n'
 
 import ControlButtonTooltip from './control-button-tooltip.vue'
 import ControlButton from './control-button.vue'
@@ -16,6 +18,7 @@ import { useElectronEventaContext, useElectronEventaInvoke } from '../../../comp
 import { isLinux } from '../../../utils/platform'
 
 const { isDark, toggleDark } = useTheme()
+const { t } = useI18n()
 
 const settingsAudioDeviceStore = useSettingsAudioDevice()
 const context = useElectronEventaContext()
@@ -23,6 +26,22 @@ const { enabled } = storeToRefs(settingsAudioDeviceStore)
 const openSettings = useElectronEventaInvoke(electronOpenSettings)
 const openChat = useElectronEventaInvoke(electronOpenChat)
 
+// Responsive icon & button sizing based on window height
+const { height: windowHeight } = useWindowSize()
+// Constants: assume each icon placeholder occupies 50px and there are 7 buttons
+const ICON_PLACEHOLDER_PX = 50
+const BUTTON_COUNT = 7
+const LARGE_THRESHOLD = ICON_PLACEHOLDER_PX * BUTTON_COUNT
+
+// Grouped classes for icon / border / padding and combined style class
+const adjustStyleClasses = computed(() => {
+  const isLarge = windowHeight.value > LARGE_THRESHOLD
+  const icon = isLarge ? 'size-5' : 'size-3'
+  const border = isLarge ? 'border-2' : 'border-0'
+  const padding = isLarge ? 'p-2' : 'p-0.5'
+  return { icon, border, padding, button: `${border} ${padding}` }
+})
+
 /**
  * This is a know issue (or expected behavior maybe) to Electron.
  * We don't use this approach on Linux because it's not working.
@@ -44,76 +63,76 @@ function refreshWindow() {
   <div fixed bottom-2 right-2>
     <div flex flex-col gap-1>
       <ControlButtonTooltip>
-        <ControlButton @click="openSettings">
-          <div i-solar:settings-minimalistic-outline size-5 text="neutral-800 dark:neutral-300" />
+        <ControlButton :button-style="adjustStyleClasses.button" @click="openSettings">
+          <div i-solar:settings-minimalistic-outline :class="adjustStyleClasses.icon" text="neutral-800 dark:neutral-300" />
         </ControlButton>
 
         <template #tooltip>
-          Open settings
+          {{ t('tamagotchi.stage.controls-island.open-settings') }}
         </template>
       </ControlButtonTooltip>
 
       <ControlButtonTooltip>
-        <ControlButton @click="openChat">
-          <div i-solar:chat-line-line-duotone size-5 text="neutral-800 dark:neutral-300" />
+        <ControlButton :button-style="adjustStyleClasses.button" @click="openChat">
+          <div i-solar:chat-line-line-duotone :class="adjustStyleClasses.icon" text="neutral-800 dark:neutral-300" />
         </ControlButton>
 
         <template #tooltip>
-          Open Chat
+          {{ t('tamagotchi.stage.controls-island.open-chat') }}
         </template>
       </ControlButtonTooltip>
 
       <ControlButtonTooltip>
-        <ControlButton @click="refreshWindow">
-          <div i-solar:refresh-linear size-5 text="neutral-800 dark:neutral-300" />
+        <ControlButton :button-style="adjustStyleClasses.button" @click="refreshWindow">
+          <div i-solar:refresh-linear :class="adjustStyleClasses.icon" text="neutral-800 dark:neutral-300" />
         </ControlButton>
 
         <template #tooltip>
-          Refresh
+          {{ t('tamagotchi.stage.controls-island.refresh') }}
         </template>
       </ControlButtonTooltip>
 
       <ControlButtonTooltip>
         <ControlsIslandHearingConfig v-model:show="hearingDialogOpen">
           <div class="relative">
-            <ControlButton>
+            <ControlButton :button-style="adjustStyleClasses.button">
               <Transition name="fade" mode="out-in">
-                <IndicatorMicVolume v-if="enabled" size-5 />
-                <div v-else i-ph:microphone-slash size-5 text="neutral-800 dark:neutral-300" />
+                <IndicatorMicVolume v-if="enabled" :class="adjustStyleClasses.icon" />
+                <div v-else i-ph:microphone-slash :class="adjustStyleClasses.icon" text="neutral-800 dark:neutral-300" />
               </Transition>
             </ControlButton>
           </div>
         </ControlsIslandHearingConfig>
 
         <template #tooltip>
-          Open hearing controls
+          {{ t('tamagotchi.stage.controls-island.open-hearing-controls') }}
         </template>
       </ControlButtonTooltip>
 
-      <ControlsIslandFadeOnHover />
+      <ControlsIslandFadeOnHover :icon-class="adjustStyleClasses.icon" :button-style="adjustStyleClasses.button" />
 
       <ControlButtonTooltip>
-        <ControlButton cursor-move :class="{ 'drag-region': isLinux }" @mousedown="startDraggingWindow?.()">
-          <div i-ph:arrows-out-cardinal size-5 text="neutral-800 dark:neutral-300" />
+        <ControlButton :button-style="adjustStyleClasses.button" cursor-move :class="{ 'drag-region': isLinux }" @mousedown="startDraggingWindow?.()">
+          <div i-ph:arrows-out-cardinal :class="adjustStyleClasses.icon" text="neutral-800 dark:neutral-300" />
         </ControlButton>
 
         <template #tooltip>
-          Drag to move window
+          {{ t('tamagotchi.stage.controls-island.drag-to-move-window') }}
         </template>
       </ControlButtonTooltip>
 
       <ControlButtonTooltip>
         <!-- Recommended to use `toggleDark()` instead of `toggleDark` -->
         <!-- See: https://vueuse.org/shared/useToggle/#usage -->
-        <ControlButton @click="toggleDark()">
+        <ControlButton :button-style="adjustStyleClasses.button" @click="toggleDark()">
           <Transition name="fade" mode="out-in">
-            <div v-if="isDark" i-solar:moon-outline size-5 text="neutral-800 dark:neutral-300" />
-            <div v-else i-solar:sun-2-outline size-5 text="neutral-800 dark:neutral-300" />
+            <div v-if="isDark" i-solar:moon-outline :class="adjustStyleClasses.icon" text="neutral-800 dark:neutral-300" />
+            <div v-else i-solar:sun-2-outline :class="adjustStyleClasses.icon" text="neutral-800 dark:neutral-300" />
           </Transition>
         </ControlButton>
 
         <template #tooltip>
-          {{ isDark ? 'Switch to light mode' : 'Switch to dark mode' }}
+          {{ isDark ? t('tamagotchi.stage.controls-island.switch-to-light-mode') : t('tamagotchi.stage.controls-island.switch-to-dark-mode') }}
         </template>
       </ControlButtonTooltip>
     </div>
diff --git a/packages/i18n/src/locales/en/tamagotchi/stage.yaml b/packages/i18n/src/locales/en/tamagotchi/stage.yaml
index 46759f5a0..ee379f84d 100644
--- a/packages/i18n/src/locales/en/tamagotchi/stage.yaml
+++ b/packages/i18n/src/locales/en/tamagotchi/stage.yaml
@@ -12,6 +12,14 @@ docs:
   'fade-on-hover':
     enable: Auto hide
     disable: Always show
+  'open-settings': Open settings
+  'open-chat': Open Chat
+  'refresh': Refresh
+  'open-hearing-controls': Open hearing Controls
+  'drag-to-move-window': Drag to move window
+  'switch-to-light-mode': Switch to light mode
+  'switch-to-dark-mode': Switch to dark mode
+
 notice:
   'fade-on-hover':
     title: Fade on Hover
diff --git a/packages/i18n/src/locales/zh-Hans/tamagotchi/stage.yaml b/packages/i18n/src/locales/zh-Hans/tamagotchi/stage.yaml
index 7fdb68243..77e060699 100644
--- a/packages/i18n/src/locales/zh-Hans/tamagotchi/stage.yaml
+++ b/packages/i18n/src/locales/zh-Hans/tamagotchi/stage.yaml
@@ -8,12 +8,20 @@ docs:
     navbar:
       appearance:
         title: 外观
-'controls-island':
-  'fade-on-hover':
+controls-island:
+  fade-on-hover:
     enable: 悬停时隐藏
     disable: 总是显示
+  open-settings: 打开设置
+  open-chat: 打开聊天
+  refresh: 刷新
+  open-hearing-controls: 打开听力控制
+  drag-to-move-window: 拖拽移动窗口
+  switch-to-light: 切换到亮色模式
+  switch-to-dark: 切换到暗色模式
+  switch-to-dark-mode: 切换到黑暗模式
 notice:
-  'fade-on-hover':
+  fade-on-hover:
     title: 悬停淡出
     intro: 当光标靠近时自动让角色变淡，减少干扰又保持可见。
     opacity: 开启后，当光标靠近时， {targets} 的不透明度会降到 {value}。