diff --git a/build/installer.nsh b/build/installer.nsh
index 5e6e6bd..2299370 100644
--- a/build/installer.nsh
+++ b/build/installer.nsh
@@ -1,11 +1,9 @@
-; 기본 설치 경로 지정.
-; productName 이 한글이라 electron-builder 가 기본 경로를 package.json name(sb_pt)으로 폴백하는 문제 회피.
-; → $PROGRAMFILES\DonDwaeji 로 고정 (사용자는 설치 시 변경 가능).
+; 기본 설치 경로 지정 (사용자 폴더 = 관리자 권한 불필요 → UAC 프롬프트 없음).
+; productName 이 한글이라 electron-builder 가 기본 경로를 package.json name(sb_pt)으로 폴백하는 문제도 함께 회피.
+; → %LOCALAPPDATA%\Programs\DonDwaeji 로 고정 (사용자는 설치 시 변경 가능).
 !macro preInit
   SetRegView 64
-  WriteRegExpandStr HKLM "${INSTALL_REGISTRY_KEY}" InstallLocation "$PROGRAMFILES64\DonDwaeji"
-  WriteRegExpandStr HKCU "${INSTALL_REGISTRY_KEY}" InstallLocation "$PROGRAMFILES64\DonDwaeji"
+  WriteRegExpandStr HKCU "${INSTALL_REGISTRY_KEY}" InstallLocation "$LOCALAPPDATA\Programs\DonDwaeji"
   SetRegView 32
-  WriteRegExpandStr HKLM "${INSTALL_REGISTRY_KEY}" InstallLocation "$PROGRAMFILES\DonDwaeji"
-  WriteRegExpandStr HKCU "${INSTALL_REGISTRY_KEY}" InstallLocation "$PROGRAMFILES\DonDwaeji"
+  WriteRegExpandStr HKCU "${INSTALL_REGISTRY_KEY}" InstallLocation "$LOCALAPPDATA\Programs\DonDwaeji"
 !macroend
diff --git a/src/api/boardApi.js b/src/api/boardApi.js
index bc68a89..0b97b62 100644
--- a/src/api/boardApi.js
+++ b/src/api/boardApi.js
@@ -53,4 +53,11 @@ export const boardApi = {
   unblock(id) {
     return http.post(`/board/posts/${id}/unblock`)
   },
+  // 공지 설정/해제 (관리자) — 목록 최상단 고정
+  setNotice(id) {
+    return http.post(`/board/posts/${id}/notice`)
+  },
+  unsetNotice(id) {
+    return http.post(`/board/posts/${id}/unnotice`)
+  },
 }
diff --git a/src/assets/base.css b/src/assets/base.css
index 8816868..b19ba6e 100644
--- a/src/assets/base.css
+++ b/src/assets/base.css
@@ -34,10 +34,26 @@
   --color-text: var(--vt-c-text-light-1);
 
   --section-gap: 160px;
+  /* 모든 화면 본문 공통 폭 (화면별 제각각이던 max-width 를 일관되게) */
+  --page-max: 760px;
 }
 
+/* 다크 변수 묶음 — 명시적 다크(data-theme=dark)와 시스템 다크에서 공통 사용 */
+:root[data-theme='dark'] {
+  --color-background: var(--vt-c-black);
+  --color-background-soft: var(--vt-c-black-soft);
+  --color-background-mute: var(--vt-c-black-mute);
+
+  --color-border: var(--vt-c-divider-dark-2);
+  --color-border-hover: var(--vt-c-divider-dark-1);
+
+  --color-heading: var(--vt-c-text-dark-1);
+  --color-text: var(--vt-c-text-dark-1);
+}
+
+/* 시스템 설정 따름(테마 미지정 = 시스템). 명시적 라이트/다크가 있으면 그게 우선 */
 @media (prefers-color-scheme: dark) {
-  :root {
+  :root:not([data-theme]) {
     --color-background: var(--vt-c-black);
     --color-background-soft: var(--vt-c-black-soft);
     --color-background-mute: var(--vt-c-black-mute);
@@ -46,7 +62,7 @@
     --color-border-hover: var(--vt-c-divider-dark-1);
 
     --color-heading: var(--vt-c-text-dark-1);
-    --color-text: var(--vt-c-text-dark-2);
+    --color-text: var(--vt-c-text-dark-1);
   }
 }
 
diff --git a/src/assets/main.css b/src/assets/main.css
index 216a561..ac52f8a 100644
--- a/src/assets/main.css
+++ b/src/assets/main.css
@@ -4,6 +4,14 @@
   font-weight: normal;
 }
 
+/* 모든 화면 본문 폭 통일 — 각 뷰가 제각각 두던 root max-width 를 한 곳에서 일관되게.
+   (본문 직계 자식 = 각 화면 루트 컨테이너) scoped 스타일을 덮기 위해 !important 사용. */
+.layout-body > * {
+  max-width: var(--page-max) !important;
+  margin-left: auto !important;
+  margin-right: auto !important;
+}
+
 /* 폼 요소 폰트 상속(표준 리셋) — 네이티브 input/select/textarea 가 서로 폰트·높이 달라
    보이던 이질감 해소. (개별 화면 scoped 스타일이 더 구체적이면 그쪽이 우선) */
 input,
diff --git a/src/components/WebOnlyNotice.vue b/src/components/WebOnlyNotice.vue
index c45606f..a6ce3a0 100644
--- a/src/components/WebOnlyNotice.vue
+++ b/src/components/WebOnlyNotice.vue
@@ -13,8 +13,14 @@ const mobileReady = false
       <p class="tagline">슬림하게 관리하는 가계부 · 자산 · 예산</p>
 
       <div class="notice">
-        <p class="lead">🖥️ PC는 <b>설치형 앱</b>으로, 📱 모바일은 <b>앱</b>으로 이용해요.</p>
-        <p class="sub">웹 브라우저에서는 안내만 제공됩니다. 설치한 뒤 로그인해 주세요.</p>
+        <p class="lead">
+          <span class="ln">🖥️ PC는 <b>설치형 앱</b>으로,</span>
+          <span class="ln">📱 모바일은 <b>앱</b>으로 이용해요.</span>
+        </p>
+        <p class="sub">
+          <span class="ln">웹 브라우저에서는 안내만 제공됩니다.</span>
+          <span class="ln">설치한 뒤 로그인해 주세요.</span>
+        </p>
       </div>
 
       <div class="dl-group">
@@ -78,6 +84,11 @@ const mobileReady = false
   font-size: 0.86rem;
   opacity: 0.7;
 }
+/* 각 구절을 한 덩어리로 — 좁으면 절(span) 경계에서만 줄바꿈, 넓으면 한 줄 */
+.lead .ln,
+.sub .ln {
+  display: inline-block;
+}
 .dl-group {
   display: flex;
   flex-direction: column;
diff --git a/src/components/layout/AppHeader.vue b/src/components/layout/AppHeader.vue
index 844eecd..2451b2a 100644
--- a/src/components/layout/AppHeader.vue
+++ b/src/components/layout/AppHeader.vue
@@ -1,12 +1,39 @@
 <script setup>
-import { RouterLink, useRouter } from 'vue-router'
+import { computed } from 'vue'
+import { useRouter, useRoute } from 'vue-router'
 import { useAuthStore } from '@/stores/auth'
 import { useUiStore } from '@/stores/ui'
+import { boardLabel } from '@/constants/boards'
 import IconBtn from '@/components/ui/IconBtn.vue'
 
 const auth = useAuthStore()
 const ui = useUiStore()
 const router = useRouter()
+const route = useRoute()
+
+// 라우트별 헤더 타이틀(현재 화면 이름)
+const TITLES = {
+  home: '돈돼지 가계부',
+  'account-entries': '가계부 내역',
+  'account-stats': '통계',
+  'account-recurrings': '고정 지출',
+  'account-wallets': '계좌 관리',
+  'account-categories': '분류 관리',
+  'account-budget': '예산 설정',
+  'account-tags': '태그 관리',
+  users: '회원 관리',
+  'admin-tags': '태그 관리(관리자)',
+  'admin-default-categories': '기본 분류 설정',
+  settings: '설정',
+  'settings-account': '계정정보',
+  'settings-account-edit': '가입정보 변경',
+}
+const pageTitle = computed(() => {
+  const n = route.name
+  if (n === 'board' || n === 'board-detail') return boardLabel(route.params.category)
+  if (n === 'board-write' || n === 'board-edit') return route.params.id ? '글 수정' : '글쓰기'
+  return TITLES[n] || '돈돼지 가계부'
+})
 
 async function handleLogout() {
   await auth.logout()
@@ -22,10 +49,7 @@ async function handleLogout() {
           <path d="M3 12h18" /><path d="M3 6h18" /><path d="M3 18h18" />
         </svg>
       </button>
-      <RouterLink to="/" class="brand">
-        <img class="brand-mark" src="/logo-piggy.png" alt="" aria-hidden="true" />
-        <span class="brand-text">돈돼지 가계부</span>
-      </RouterLink>
+      <h1 class="page-title">{{ pageTitle }}</h1>
     </div>
 
     <div class="header-right">
@@ -66,27 +90,14 @@ async function handleLogout() {
   width: 22px;
   height: 22px;
 }
-.brand {
-  display: inline-flex;
-  align-items: center;
-  gap: 0.45rem;
+.page-title {
   font-size: 1.2rem;
   font-weight: 700;
   color: var(--color-heading);
-}
-.brand:hover {
-  background: transparent;
-}
-.brand-mark {
-  height: 28px;
-  width: auto;
-  max-width: 38px;
-  object-fit: contain;
-  flex-shrink: 0;
-}
-.brand-text {
   letter-spacing: -0.01em;
   white-space: nowrap;
+  overflow: hidden;
+  text-overflow: ellipsis;
 }
 .header-right {
   display: flex;
diff --git a/src/components/layout/AppSidebar.vue b/src/components/layout/AppSidebar.vue
index 12a0951..9e128fb 100644
--- a/src/components/layout/AppSidebar.vue
+++ b/src/components/layout/AppSidebar.vue
@@ -25,7 +25,10 @@ const icons = {
 <template>
   <aside class="app-sidebar">
     <div class="drawer-head">
-      <span class="drawer-title">메뉴</span>
+      <RouterLink to="/" class="brand" @click="ui.closeSidebar()">
+        <img class="brand-mark" src="/logo-piggy.png" alt="" aria-hidden="true" />
+        <span class="brand-text">돈돼지 가계부</span>
+      </RouterLink>
       <button class="drawer-close" type="button" aria-label="닫기" @click="ui.closeSidebar()">×</button>
     </div>
     <nav class="menu">
@@ -100,31 +103,51 @@ const icons = {
   padding: 1rem 0;
 }
 .drawer-head {
-  display: none;
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  padding: 0.5rem 1.1rem 0.75rem;
+  margin-bottom: 0.5rem;
+  border-bottom: 1px solid var(--color-border);
+}
+.brand {
+  display: inline-flex;
+  align-items: center;
+  gap: 0.45rem;
+  font-size: 1.15rem;
+  font-weight: 700;
+  color: var(--color-heading);
+}
+.brand:hover {
+  background: transparent;
+}
+.brand-mark {
+  height: 26px;
+  width: auto;
+  max-width: 34px;
+  object-fit: contain;
+  flex-shrink: 0;
+}
+.brand-text {
+  letter-spacing: -0.01em;
+  white-space: nowrap;
+}
+.drawer-close {
+  display: none; /* 데스크톱: 숨김 (모바일 드로어에서만 노출) */
+  border: 0;
+  background: transparent;
+  color: var(--color-text);
+  font-size: 1.6rem;
+  line-height: 1;
+  cursor: pointer;
 }
 @media (max-width: 768px) {
   .app-sidebar {
     background: var(--color-background);
     min-height: 100%;
   }
-  .drawer-head {
-    display: flex;
-    align-items: center;
-    justify-content: space-between;
-    padding: 0.5rem 1rem 0.75rem;
-    border-bottom: 1px solid var(--color-border);
-    margin-bottom: 0.5rem;
-  }
-  .drawer-title {
-    font-weight: 700;
-  }
   .drawer-close {
-    border: 0;
-    background: transparent;
-    color: var(--color-text);
-    font-size: 1.6rem;
-    line-height: 1;
-    cursor: pointer;
+    display: inline-flex;
   }
 }
 .menu {
diff --git a/src/main.js b/src/main.js
index 7c52f28..94501ba 100644
--- a/src/main.js
+++ b/src/main.js
@@ -8,6 +8,10 @@ import router from './router'
 import { setupCapacitor } from './capacitor'
 import { useAuthStore } from './stores/auth'
 import { useDialog } from './composables/dialog'
+import { initTheme } from './theme'
+
+// 저장된 테마(라이트/다크/시스템) 즉시 적용 — 첫 렌더 깜빡임 방지
+initTheme()
 
 // 네이티브 alert 를 인앱 다이얼로그로 대체 (PC 'sb_pt' 제목 제거 + 웹/APK 일관).
 // confirm/prompt 는 동기 반환이라 오버라이드 불가 → 각 호출부에서 await dialog.confirm/prompt 사용.
diff --git a/src/stores/ui.js b/src/stores/ui.js
index 0f486b2..4f5d26b 100644
--- a/src/stores/ui.js
+++ b/src/stores/ui.js
@@ -1,6 +1,7 @@
 import { defineStore } from 'pinia'
 import { ref } from 'vue'
 import { authApi } from '@/api/authApi'
+import { getStoredTheme, setTheme as persistTheme } from '@/theme'
 
 // 전역 UI 상태 (로그인/회원가입 레이어 팝업 등)
 export const useUiStore = defineStore('ui', () => {
@@ -28,6 +29,13 @@ export const useUiStore = defineStore('ui', () => {
     sidebarOpen.value = false
   }
 
+  // 테마 (system | light | dark)
+  const theme = ref(getStoredTheme())
+  function setTheme(t) {
+    theme.value = t
+    persistTheme(t)
+  }
+
   // 비밀번호 변경 모달
   const passwordOpen = ref(false)
   function openPassword() {
@@ -63,5 +71,6 @@ export const useUiStore = defineStore('ui', () => {
     signupEnabled, loadSignupEnabled,
     sidebarOpen, toggleSidebar, closeSidebar,
     passwordOpen, openPassword, closePassword,
+    theme, setTheme,
   }
 })
diff --git a/src/theme.js b/src/theme.js
new file mode 100644
index 0000000..f480fec
--- /dev/null
+++ b/src/theme.js
@@ -0,0 +1,34 @@
+// 테마(라이트/다크/시스템) 적용 — <html data-theme> 속성으로 제어.
+//   light/dark : 명시 적용,  system : 속성 제거 → OS prefers-color-scheme 따름
+const KEY = 'theme'
+
+export function getStoredTheme() {
+  try {
+    return localStorage.getItem(KEY) || 'system'
+  } catch {
+    return 'system'
+  }
+}
+
+export function applyTheme(theme) {
+  const el = document.documentElement
+  if (theme === 'light' || theme === 'dark') {
+    el.setAttribute('data-theme', theme)
+  } else {
+    el.removeAttribute('data-theme') // system
+  }
+}
+
+export function setTheme(theme) {
+  try {
+    localStorage.setItem(KEY, theme)
+  } catch {
+    /* 저장 실패 무시 */
+  }
+  applyTheme(theme)
+}
+
+// 앱 시작 시 저장값 즉시 적용 (마운트 전 호출 → 깜빡임 방지)
+export function initTheme() {
+  applyTheme(getStoredTheme())
+}
diff --git a/src/views/account/AccountDashboardView.vue b/src/views/account/AccountDashboardView.vue
index eb5057e..760cde1 100644
--- a/src/views/account/AccountDashboardView.vue
+++ b/src/views/account/AccountDashboardView.vue
@@ -114,12 +114,32 @@ function hideTip() {
 const PIE_R = 46 // viewBox 120 기준, 선두께 20(hover 24) 포함해도 잘리지 않도록 (46+12=58 ≤ 60)
 const PIE_C = 2 * Math.PI * PIE_R
 const PIE_COLORS = ['#3b82a6', '#e67e22', '#2e7d32', '#9b59b6', '#c0392b', '#16a085', '#f39c12', '#8e44ad', '#27ae60', '#d35400', '#2980b9', '#7f8c8d']
-const catTotal = computed(() => catData.value.reduce((s, d) => s + d.total, 0))
+// 분류별 집계를 대분류 기준으로 묶는다 (소분류까지 펼치면 항목이 너무 많아 스크롤이 길어짐).
+// 소분류는 부모(대분류)명으로 합산, 매핑이 없으면 자기 자신을 대분류로 본다.
+const catByMajor = computed(() => {
+  const list = categoryList.value.filter((c) => c.type === catType.value)
+  const byId = {}
+  list.forEach((c) => (byId[c.id] = c))
+  const toMajor = (name) => {
+    const c = list.find((x) => x.name === name)
+    if (c && c.parentId != null && byId[c.parentId]) return byId[c.parentId].name
+    return name
+  }
+  const map = {}
+  for (const d of catData.value) {
+    const major = toMajor(d.category)
+    map[major] = (map[major] || 0) + d.total
+  }
+  return Object.entries(map)
+    .map(([category, total]) => ({ category, total }))
+    .sort((a, b) => b.total - a.total)
+})
+const catTotal = computed(() => catByMajor.value.reduce((s, d) => s + d.total, 0))
 const pieSegments = computed(() => {
   const total = catTotal.value
   if (total <= 0) return []
   let acc = 0
-  return catData.value.map((d, i) => {
+  return catByMajor.value.map((d, i) => {
     const len = (d.total / total) * PIE_C
     const seg = {
       category: d.category,
@@ -196,26 +216,6 @@ async function loadCategoryList() {
     categoryList.value = []
   }
 }
-// 소분류명 → 대분류명 매핑(현재 구분). 소분류가 아니면 자기 자신.
-const majorRollup = computed(() => {
-  const list = categoryList.value.filter((c) => c.type === catType.value)
-  const byId = {}
-  list.forEach((c) => (byId[c.id] = c))
-  const toMajor = (name) => {
-    const c = list.find((x) => x.name === name)
-    if (c && c.parentId != null && byId[c.parentId]) return byId[c.parentId].name
-    return name
-  }
-  const map = {}
-  for (const d of catData.value) {
-    const major = toMajor(d.category)
-    map[major] = (map[major] || 0) + d.total
-  }
-  const rows = Object.entries(map).map(([category, total]) => ({ category, total })).sort((a, b) => b.total - a.total)
-  // 실제로 묶인 게 있을 때만(소분류 존재) 노출
-  const hasSub = list.some((c) => c.parentId != null) && rows.length < catData.value.length
-  return hasSub ? rows : []
-})
 function setCatType(t) {
   catType.value = t
   loadCat()
@@ -422,16 +422,7 @@ onMounted(async () => {
             </li>
           </ul>
         </div>
-        <div v-if="majorRollup.length" class="major-rollup">
-          <div class="mr-head">대분류 합계</div>
-          <ul class="mr-list">
-            <li v-for="m in majorRollup" :key="m.category">
-              <span class="mr-cat">{{ m.category }}</span>
-              <span class="mr-amt">{{ won(m.total) }}</span>
-            </li>
-          </ul>
-        </div>
-        <p v-else class="empty">{{ catType === 'EXPENSE' ? '지출' : '수입' }} 내역이 없습니다.</p>
+        <p v-if="!pieSegments.length" class="empty">{{ catType === 'EXPENSE' ? '지출' : '수입' }} 내역이 없습니다.</p>
       </div>
 
       <!-- 기간별 예산 대비 지출 막대 차트 -->
diff --git a/src/views/account/AccountTagView.vue b/src/views/account/AccountTagView.vue
index 12e3b7e..8c868d4 100644
--- a/src/views/account/AccountTagView.vue
+++ b/src/views/account/AccountTagView.vue
@@ -102,7 +102,6 @@ onBeforeUnmount(() => sortable?.destroy())
   <section class="tag-admin">
     <header class="head">
       <h1>가계부 태그 관리</h1>
-      <IconBtn icon="back" title="가계부로" @click="router.push('/account')" />
     </header>
     <p class="hint">내가 등록한 태그는 나의 가계부 내역에서만 사용됩니다.</p>
 
diff --git a/src/views/account/AccountWalletView.vue b/src/views/account/AccountWalletView.vue
index 70b6a48..0dd941b 100644
--- a/src/views/account/AccountWalletView.vue
+++ b/src/views/account/AccountWalletView.vue
@@ -312,7 +312,6 @@ onBeforeUnmount(() => sortable?.destroy())
   <section class="wallet">
     <header class="head">
       <h1>계좌 관리</h1>
-      <IconBtn icon="back" title="가계부로" @click="router.push('/account')" />
     </header>
 
     <!-- 순자산 요약 -->
diff --git a/src/views/account/BudgetView.vue b/src/views/account/BudgetView.vue
index aad434e..3dc74e2 100644
--- a/src/views/account/BudgetView.vue
+++ b/src/views/account/BudgetView.vue
@@ -247,7 +247,6 @@ onMounted(() => {
     <header class="head">
       <h1>예산 설정</h1>
       <div class="head-actions">
-        <IconBtn icon="back" title="가계부로" @click="router.push('/account')" />
         <IconBtn icon="plus" title="예산 추가" variant="primary" @click="openCreate" />
       </div>
     </header>
diff --git a/src/views/account/CategoryView.vue b/src/views/account/CategoryView.vue
index e96af66..1cc5b06 100644
--- a/src/views/account/CategoryView.vue
+++ b/src/views/account/CategoryView.vue
@@ -188,7 +188,6 @@ onBeforeUnmount(destroySortables)
       <h1>분류 관리</h1>
       <div class="head-actions">
         <button type="button" class="text-btn" @click="importDefaults">기본 분류 불러오기</button>
-        <IconBtn icon="back" title="가계부로" @click="router.push('/account')" />
       </div>
     </header>
     <p class="hint">내역·예산에서 선택할 분류를 관리합니다. <b>대분류 아래 소분류</b>로 묶을 수 있고(2단계), 예산·통계는 소분류 기준입니다. 이름을 바꾸면 기존 내역·예산에도 반영됩니다.</p>
diff --git a/src/views/account/RecurringView.vue b/src/views/account/RecurringView.vue
index 1911a64..17e67d6 100644
--- a/src/views/account/RecurringView.vue
+++ b/src/views/account/RecurringView.vue
@@ -244,7 +244,6 @@ onMounted(load)
       <h1>고정 지출</h1>
       <div class="head-actions">
         <IconBtn icon="refresh" title="지금 반영" @click="runNow" />
-        <IconBtn icon="back" title="가계부로" @click="router.push('/account')" />
         <IconBtn icon="plus" title="고정 지출 추가" variant="primary" @click="openCreate" />
       </div>
     </header>
diff --git a/src/views/admin/DefaultCategoryView.vue b/src/views/admin/DefaultCategoryView.vue
index cef1699..6c9ca22 100644
--- a/src/views/admin/DefaultCategoryView.vue
+++ b/src/views/admin/DefaultCategoryView.vue
@@ -152,9 +152,6 @@ onBeforeUnmount(destroySortables)
   <section class="cat">
     <header class="head">
       <h1>기본 분류 관리</h1>
-      <div class="head-actions">
-        <IconBtn icon="back" title="뒤로" @click="router.back()" />
-      </div>
     </header>
     <p class="hint">
       전체 사용자 공용 <b>기본 분류</b> 템플릿입니다. 사용자가 분류 관리에서 <b>‘기본 분류 불러오기’</b>로 자기 분류에 복사해 씁니다.
diff --git a/src/views/board/BoardDetailView.vue b/src/views/board/BoardDetailView.vue
index 34b3dcf..f2fb735 100644
--- a/src/views/board/BoardDetailView.vue
+++ b/src/views/board/BoardDetailView.vue
@@ -80,6 +80,15 @@ async function unblockPost() {
   }
 }
 
+async function setNoticePost(on) {
+  try {
+    await (on ? boardApi.setNotice(postId) : boardApi.unsetNotice(postId))
+    await load()
+  } catch (e) {
+    alert(e.response?.data?.message || '처리에 실패했습니다.')
+  }
+}
+
 async function addComment() {
   const content = commentText.value.trim()
   if (!content) return
@@ -115,7 +124,7 @@ onMounted(load)
 
     <article v-if="post">
       <header class="post-head">
-        <h1>{{ post.title }}</h1>
+        <h1><span v-if="post.notice" class="notice-badge">공지</span>{{ post.title }}</h1>
         <div class="meta">
           <span>{{ post.authorName }}</span>
           <span>· {{ formatRelative(post.createdAt) }}</span>
@@ -142,8 +151,10 @@ onMounted(load)
       </div>
 
       <div class="actions">
-        <IconBtn icon="back" title="목록" @click="router.push(`/board/${category}`)" />
         <div class="right-actions">
+          <!-- 관리자 공지 설정/해제 (커뮤니티) -->
+          <button v-if="isAdmin && category === 'community' && !post.notice" type="button" class="notice-btn" @click="setNoticePost(true)">공지 등록</button>
+          <button v-if="isAdmin && category === 'community' && post.notice" type="button" class="notice-btn" @click="setNoticePost(false)">공지 해제</button>
           <!-- 관리자 제한/해제 -->
           <button v-if="isAdmin && !post.blocked" type="button" class="warn" @click="blockPost">열람 제한</button>
           <button v-if="isAdmin && post.blocked" type="button" class="warn" @click="unblockPost">제한 해제</button>
@@ -268,9 +279,23 @@ button.warn {
   border-color: #e67e22;
   color: #e67e22;
 }
+button.notice-btn {
+  border-color: hsla(160, 100%, 37%, 1);
+  color: hsla(160, 100%, 37%, 1);
+}
+.notice-badge {
+  margin-right: 0.4rem;
+  padding: 0.1rem 0.45rem;
+  border-radius: 4px;
+  background: hsla(160, 100%, 37%, 1);
+  color: #fff;
+  font-size: 0.8rem;
+  font-weight: 700;
+  vertical-align: middle;
+}
 .actions {
   display: flex;
-  justify-content: space-between;
+  justify-content: flex-end;
   border-top: 1px solid var(--color-border);
   padding-top: 1rem;
 }
diff --git a/src/views/board/BoardListView.vue b/src/views/board/BoardListView.vue
index d09a562..3078767 100644
--- a/src/views/board/BoardListView.vue
+++ b/src/views/board/BoardListView.vue
@@ -163,8 +163,9 @@ onMounted(loadTags)
         </tr>
       </thead>
       <tbody>
-        <tr v-for="p in posts" :key="p.id" @click="router.push(`/board/${category}/${p.id}`)">
+        <tr v-for="p in posts" :key="p.id" :class="{ 'notice-row': p.notice }" @click="router.push(`/board/${category}/${p.id}`)">
           <td>
+            <span v-if="p.notice" class="notice-badge">공지</span>
             <template v-if="p.blocked && !isAdmin">
               <span class="blocked-msg">🚫 관리자에 의해 제한된 게시글입니다.</span>
             </template>
@@ -318,6 +319,22 @@ button:disabled {
   color: #c0392b;
   font-size: 0.72rem;
 }
+.notice-badge {
+  margin-right: 0.4rem;
+  padding: 0.05rem 0.4rem;
+  border-radius: 3px;
+  background: hsla(160, 100%, 37%, 1);
+  color: #fff;
+  font-size: 0.72rem;
+  font-weight: 700;
+  vertical-align: middle;
+}
+.notice-row {
+  background: hsla(160, 100%, 37%, 0.06);
+}
+.notice-row .title {
+  font-weight: 600;
+}
 
 /* 하단 영역: 페이징(가운데) + 돋보기(오른쪽) 같은 행 */
 .list-footer {
diff --git a/src/views/board/BoardWriteView.vue b/src/views/board/BoardWriteView.vue
index 277a6d6..9c3e058 100644
--- a/src/views/board/BoardWriteView.vue
+++ b/src/views/board/BoardWriteView.vue
@@ -2,19 +2,25 @@
 import { onMounted, ref, computed } from 'vue'
 import { useRoute, useRouter } from 'vue-router'
 import { boardApi } from '@/api/boardApi'
+import { useAuthStore } from '@/stores/auth'
 import MarkdownEditor from '@/components/editor/MarkdownEditor.vue'
 import IconBtn from '@/components/ui/IconBtn.vue'
 import { DEFAULT_BOARD } from '@/constants/boards'
 
 const route = useRoute()
 const router = useRouter()
+const auth = useAuthStore()
 
 const category = route.params.category || DEFAULT_BOARD
 const editId = route.params.id || null
 const isEdit = computed(() => !!editId)
+// 공지: 관리자가 커뮤니티 게시판에 새 글 작성할 때만 설정 가능
+const isAdmin = computed(() => auth.user?.role === 'ADMIN')
+const canNotice = computed(() => isAdmin.value && category === 'community' && !isEdit.value)
 
 const title = ref('')
 const content = ref('')
+const notice = ref(false)
 const tagGroups = ref([])
 const selectedTagIds = ref([])
 const loading = ref(false)
@@ -65,6 +71,7 @@ async function submit() {
     title: title.value.trim(),
     content: content.value,
     category,
+    notice: canNotice.value ? notice.value : false,
     tagIds: selectedTagIds.value,
   }
   try {
@@ -97,6 +104,12 @@ onMounted(async () => {
     <form class="write-form" @submit.prevent="submit">
       <input v-model="title" type="text" placeholder="제목" maxlength="200" :disabled="loading" />
 
+      <!-- 공지 등록 (관리자, 커뮤니티 새 글) -->
+      <label v-if="canNotice" class="notice-check">
+        <input v-model="notice" type="checkbox" :disabled="loading" />
+        📌 공지로 등록 (목록 최상단 고정)
+      </label>
+
       <!-- 태그 선택 (DB 등록 태그를 뱃지로 토글) -->
       <div class="tag-select">
         <div v-if="!allTags.length" class="hint">
@@ -178,6 +191,17 @@ h1 {
   font-size: 0.85rem;
   opacity: 0.65;
 }
+.notice-check {
+  display: flex;
+  align-items: center;
+  gap: 0.4rem;
+  font-size: 0.9rem;
+  cursor: pointer;
+}
+.notice-check input {
+  width: auto;
+  cursor: pointer;
+}
 .buttons {
   display: flex;
   justify-content: flex-end;
diff --git a/src/views/settings/AccountInfoView.vue b/src/views/settings/AccountInfoView.vue
index 4424332..f08d657 100644
--- a/src/views/settings/AccountInfoView.vue
+++ b/src/views/settings/AccountInfoView.vue
@@ -21,20 +21,10 @@ const roleLabel = computed(() => (u.value.role === 'ADMIN' ? '관리자' : '일
 function goEdit() {
   router.push('/settings/account/edit')
 }
-function goBack() {
-  router.push('/settings')
-}
 </script>
 
 <template>
   <div class="account-info">
-    <button type="button" class="back" @click="goBack">
-      <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
-        <path d="M19 12H5" /><path d="M12 19l-7-7 7-7" />
-      </svg>
-      <span>설정</span>
-    </button>
-
     <h1 class="page-title">계정정보</h1>
 
     <section class="card">
diff --git a/src/views/settings/SettingsView.vue b/src/views/settings/SettingsView.vue
index bdcbbea..cb64d11 100644
--- a/src/views/settings/SettingsView.vue
+++ b/src/views/settings/SettingsView.vue
@@ -3,8 +3,15 @@ import { ref } from 'vue'
 import { RouterLink } from 'vue-router'
 import { Preferences } from '@capacitor/preferences'
 import { useDialog } from '@/composables/dialog'
+import { useUiStore } from '@/stores/ui'
 
 const dialog = useDialog()
+const ui = useUiStore()
+const THEMES = [
+  { value: 'system', label: '시스템' },
+  { value: 'light', label: '라이트' },
+  { value: 'dark', label: '다크' },
+]
 const appVersion = typeof __APP_VERSION__ !== 'undefined' ? __APP_VERSION__ : '-'
 const clearing = ref(false)
 
@@ -37,6 +44,25 @@ async function clearAppData() {
   <div class="settings">
     <h1 class="page-title">설정</h1>
 
+    <section class="card">
+      <div class="row">
+        <div class="row-main">
+          <span class="row-label">화면 테마</span>
+          <span class="row-sub">라이트 / 다크 모드 선택</span>
+        </div>
+        <div class="theme-seg">
+          <button
+            v-for="t in THEMES"
+            :key="t.value"
+            type="button"
+            class="seg-btn"
+            :class="{ active: ui.theme === t.value }"
+            @click="ui.setTheme(t.value)"
+          >{{ t.label }}</button>
+        </div>
+      </div>
+    </section>
+
     <section class="card">
       <RouterLink to="/settings/account" class="row row-link">
         <div class="row-main">
@@ -132,6 +158,30 @@ async function clearAppData() {
 .danger {
   color: #c0392b;
 }
+.theme-seg {
+  display: inline-flex;
+  border: 1px solid var(--color-border);
+  border-radius: 8px;
+  overflow: hidden;
+  flex-shrink: 0;
+}
+.seg-btn {
+  padding: 0.4rem 0.7rem;
+  border: 0;
+  border-left: 1px solid var(--color-border);
+  background: var(--color-background);
+  color: var(--color-text);
+  font-size: 0.85rem;
+  cursor: pointer;
+}
+.seg-btn:first-child {
+  border-left: 0;
+}
+.seg-btn.active {
+  background: hsla(160, 100%, 37%, 1);
+  color: #fff;
+  font-weight: 600;
+}
 .chevron {
   width: 18px;
   height: 18px;