diff --git a/src/web/components/mode-tabs.ts b/src/web/components/mode-tabs.ts
index 1aadb46..fd9f56c 100644
--- a/src/web/components/mode-tabs.ts
+++ b/src/web/components/mode-tabs.ts
@@ -21,7 +21,7 @@ export function setCurrentLang(lang: string): void {
   localStorage.setItem('preferred-lang', lang)
 }
 
-export function renderModeTabs(handle: string, activeTab: 'blog' | 'browser' | 'post' | 'chat' | 'link' = 'blog', isLocalUser: boolean = false): string {
+export function renderModeTabs(handle: string, activeTab: 'blog' | 'browser' | 'post' | 'chat' | 'link' | 'note' = 'blog', isLocalUser: boolean = false): string {
   let tabs = `
     <a href="/" class="tab">/</a>
     <a href="/@${handle}" class="tab ${activeTab === 'blog' ? 'active' : ''}">${handle}</a>
@@ -33,6 +33,11 @@ export function renderModeTabs(handle: string, activeTab: 'blog' | 'browser' | '
     tabs += `<a href="/@${handle}/at/chat" class="tab ${activeTab === 'chat' ? 'active' : ''}">chat</a>`
   }
 
+  // Note tab only for local user (admin)
+  if (isLocalUser) {
+    tabs += `<a href="/@${handle}/at/note" class="tab ${activeTab === 'note' ? 'active' : ''}">note</a>`
+  }
+
   if (isLoggedIn()) {
     tabs += `<a href="/@${handle}/at/post" class="tab ${activeTab === 'post' ? 'active' : ''}">post</a>`
     tabs += `<a href="/@${handle}/at/link" class="tab ${activeTab === 'link' ? 'active' : ''}">link</a>`
diff --git a/src/web/components/note.ts b/src/web/components/note.ts
new file mode 100644
index 0000000..044da8f
--- /dev/null
+++ b/src/web/components/note.ts
@@ -0,0 +1,232 @@
+import { renderMarkdown } from '../lib/markdown'
+import type { Post } from '../types'
+
+// Note post has extra fields for member content
+interface NotePost extends Post {
+  value: Post['value'] & {
+    member?: {
+      text: string
+      bonus?: string
+    }
+  }
+}
+
+// Render note list page
+export function renderNoteListPage(posts: NotePost[], handle: string): string {
+  if (posts.length === 0) {
+    return `<div class="note-empty">No note articles yet.</div>`
+  }
+
+  const items = posts.map(post => {
+    const rkey = post.uri.split('/').pop() || ''
+    const date = new Date(post.value.publishedAt).toLocaleDateString('ja-JP', {
+      year: 'numeric', month: '2-digit', day: '2-digit'
+    })
+    const tags = post.value.tags?.map(t => `<span class="note-tag">${t}</span>`).join('') || ''
+
+    return `
+      <div class="note-item">
+        <a href="/@${handle}/at/note/${rkey}" class="note-link">
+          <span class="note-date">${date}</span>
+          <span class="note-title">${escapeHtml(post.value.title)}</span>
+        </a>
+        ${tags ? `<div class="note-tags">${tags}</div>` : ''}
+      </div>
+    `
+  }).join('')
+
+  return `<div class="note-list">${items}</div>`
+}
+
+// Render single note detail with preview + copy
+export function renderNoteDetailPage(
+  post: NotePost,
+  _handle: string,
+  localOnly: boolean
+): string {
+  const rkey = post.uri.split('/').pop() || ''
+  const date = new Date(post.value.publishedAt).toLocaleDateString('ja-JP', {
+    year: 'numeric', month: '2-digit', day: '2-digit'
+  })
+  const freeText = post.value.content?.text || ''
+  const memberText = post.value.member?.text || ''
+  const bonusText = post.value.member?.bonus || ''
+
+  const freeHtml = renderMarkdown(freeText)
+  const memberHtml = memberText ? renderMarkdown(memberText) : ''
+  const bonusHtml = bonusText ? renderMarkdown(bonusText) : ''
+
+  let html = ''
+
+  // Action buttons at top
+  if (localOnly) {
+    html += `
+      <div class="note-actions">
+        <button type="button" class="note-copy-btn" id="note-copy-title">Copy Title</button>
+        <button type="button" class="note-copy-btn" id="note-copy-all">Copy 全文</button>
+        <button type="button" class="note-copy-btn" id="note-edit-btn">Edit</button>
+        <span id="note-copy-status" class="note-copy-status"></span>
+      </div>
+    `
+  }
+
+  html += `
+    <div class="note-detail" id="note-display">
+      <h2 class="note-detail-title">${escapeHtml(post.value.title)}</h2>
+      <div class="note-detail-meta">${date}</div>
+
+      <div class="note-section">
+        <div class="note-section-label">本文（無料）</div>
+        <div class="note-content">${freeHtml}</div>
+      </div>
+  `
+
+  if (memberText) {
+    html += `
+      <div class="note-paywall">── 有料ライン ──</div>
+      <div class="note-section">
+        <div class="note-section-label">答えと核心（有料）</div>
+        <div class="note-content">${memberHtml}</div>
+      </div>
+    `
+  }
+
+  if (bonusText) {
+    html += `
+      <div class="note-section">
+        <div class="note-section-label">今日のひとこま（おまけ）</div>
+        <div class="note-content">${bonusHtml}</div>
+      </div>
+    `
+  }
+
+  html += `</div>`
+
+  // Edit form (below content)
+  if (localOnly) {
+    html += `
+      <div class="note-edit" id="note-edit-form" style="display:none">
+        <input type="text" id="note-edit-title" class="note-edit-input" value="${escapeAttr(post.value.title)}" placeholder="Title">
+        <label class="note-edit-label">本文（無料）</label>
+        <textarea id="note-edit-free" class="note-edit-textarea" rows="10">${escapeHtml(freeText)}</textarea>
+        <label class="note-edit-label">答えと核心（有料）</label>
+        <textarea id="note-edit-member" class="note-edit-textarea" rows="8">${escapeHtml(memberText)}</textarea>
+        <label class="note-edit-label">今日のひとこま（おまけ）</label>
+        <textarea id="note-edit-bonus" class="note-edit-textarea" rows="5">${escapeHtml(bonusText)}</textarea>
+        <div class="note-edit-actions">
+          <button type="button" id="note-edit-save" data-rkey="${rkey}">Copy JSON</button>
+          <button type="button" id="note-edit-cancel">Cancel</button>
+        </div>
+        <div id="note-edit-status"></div>
+      </div>
+    `
+  }
+
+  return html
+}
+
+// Setup note detail page (copy + edit handlers)
+export function setupNoteDetail(
+  post: NotePost,
+  _onSave?: (rkey: string, record: Record<string, unknown>) => Promise<void>
+): void {
+  const freeText = post.value.content?.text || ''
+  const memberText = post.value.member?.text || ''
+  const bonusText = post.value.member?.bonus || ''
+
+  // Copy buttons
+  const copyTitle = document.getElementById('note-copy-title')
+  const copyAll = document.getElementById('note-copy-all')
+  const copyStatus = document.getElementById('note-copy-status')
+
+  function copyToClipboard(text: string) {
+    navigator.clipboard.writeText(text).then(() => {
+      if (copyStatus) {
+        copyStatus.textContent = 'Copied!'
+        setTimeout(() => { copyStatus.textContent = '' }, 2000)
+      }
+    })
+  }
+
+  copyTitle?.addEventListener('click', () => copyToClipboard(post.value.title))
+  copyAll?.addEventListener('click', () => {
+    const parts = [freeText, memberText, bonusText].filter(Boolean)
+    copyToClipboard(parts.join('\n\n'))
+  })
+
+  // Edit toggle
+  const editBtn = document.getElementById('note-edit-btn')
+  const editForm = document.getElementById('note-edit-form')
+  const display = document.getElementById('note-display')
+  const cancelBtn = document.getElementById('note-edit-cancel')
+  const saveBtn = document.getElementById('note-edit-save')
+
+  editBtn?.addEventListener('click', () => {
+    if (display) display.style.display = 'none'
+    if (editForm) editForm.style.display = 'block'
+    if (editBtn) editBtn.style.display = 'none'
+  })
+
+  cancelBtn?.addEventListener('click', () => {
+    if (editForm) editForm.style.display = 'none'
+    if (display) display.style.display = ''
+    if (editBtn) editBtn.style.display = ''
+  })
+
+  saveBtn?.addEventListener('click', () => {
+    const rkey = saveBtn.getAttribute('data-rkey')
+    if (!rkey) return
+
+    const title = (document.getElementById('note-edit-title') as HTMLInputElement)?.value.trim()
+    const free = (document.getElementById('note-edit-free') as HTMLTextAreaElement)?.value.trim()
+    const member = (document.getElementById('note-edit-member') as HTMLTextAreaElement)?.value.trim()
+    const bonus = (document.getElementById('note-edit-bonus') as HTMLTextAreaElement)?.value.trim()
+
+    if (!title || !free) {
+      alert('Title and content are required')
+      return
+    }
+
+    const did = post.uri.split('/')[2]
+    const record: Record<string, unknown> = {
+      cid: '',
+      uri: post.uri,
+      value: {
+        $type: 'ai.syui.note.post',
+        site: post.value.site,
+        title,
+        content: {
+          $type: 'ai.syui.note.post#markdown',
+          text: free,
+        },
+        publishedAt: post.value.publishedAt,
+        langs: post.value.langs || ['ja'],
+        tags: post.value.tags || [],
+      } as Record<string, unknown>,
+    }
+
+    if (member || bonus) {
+      const memberObj: Record<string, string> = {}
+      if (member) memberObj.text = member
+      if (bonus) memberObj.bonus = bonus
+      ;(record.value as Record<string, unknown>).member = memberObj
+    }
+
+    const json = JSON.stringify(record, null, 2)
+    navigator.clipboard.writeText(json).then(() => {
+      const statusEl = document.getElementById('note-edit-status')
+      const filePath = `public/at/${did}/ai.syui.note.post/${rkey}.json`
+      if (statusEl) {
+        statusEl.innerHTML = `<span class="note-copy-status">JSON copied! Paste to: <code>${filePath}</code></span>`
+      }
+    })
+  })
+}
+
+function escapeHtml(s: string): string {
+  return s.replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;').replace(/"/g, '&quot;')
+}
+
+function escapeAttr(s: string): string {
+  return s.replace(/&/g, '&amp;').replace(/"/g, '&quot;').replace(/</g, '&lt;').replace(/>/g, '&gt;')
+}
diff --git a/src/web/lib/router.ts b/src/web/lib/router.ts
index 17b339c..3262def 100644
--- a/src/web/lib/router.ts
+++ b/src/web/lib/router.ts
@@ -1,5 +1,5 @@
 export interface Route {
-  type: 'home' | 'user' | 'post' | 'postpage' | 'atbrowser' | 'service' | 'collection' | 'record' | 'chat' | 'chat-thread' | 'chat-edit' | 'card' | 'card-old' | 'rse' | 'link' | 'vrm'
+  type: 'home' | 'user' | 'post' | 'postpage' | 'atbrowser' | 'service' | 'collection' | 'record' | 'chat' | 'chat-thread' | 'chat-edit' | 'card' | 'card-old' | 'rse' | 'link' | 'vrm' | 'note' | 'note-detail'
   handle?: string
   rkey?: string
   service?: string
@@ -81,6 +81,18 @@ export function parseRoute(): Route {
     return { type: 'vrm', handle: vrmMatch[1] }
   }
 
+  // Note detail: /@handle/at/note/{rkey}
+  const noteDetailMatch = path.match(/^\/@([^/]+)\/at\/note\/([^/]+)$/)
+  if (noteDetailMatch) {
+    return { type: 'note-detail', handle: noteDetailMatch[1], rkey: noteDetailMatch[2] }
+  }
+
+  // Note list: /@handle/at/note
+  const noteMatch = path.match(/^\/@([^/]+)\/at\/note\/?$/)
+  if (noteMatch) {
+    return { type: 'note', handle: noteMatch[1] }
+  }
+
   // Chat edit: /@handle/at/chat/{type}/{rkey}/edit
   const chatEditMatch = path.match(/^\/@([^/]+)\/at\/chat\/([^/]+)\/([^/]+)\/edit$/)
   if (chatEditMatch) {
@@ -141,6 +153,10 @@ export function navigate(route: Route): void {
     path = `/@${route.handle}/at/link`
   } else if (route.type === 'vrm' && route.handle) {
     path = `/@${route.handle}/at/vrm`
+  } else if (route.type === 'note' && route.handle) {
+    path = `/@${route.handle}/at/note`
+  } else if (route.type === 'note-detail' && route.handle && route.rkey) {
+    path = `/@${route.handle}/at/note/${route.rkey}`
   }
 
   window.history.pushState({}, '', path)
diff --git a/src/web/main.ts b/src/web/main.ts
index 4003ba4..e63196b 100644
--- a/src/web/main.ts
+++ b/src/web/main.ts
@@ -19,6 +19,7 @@ import { renderRsePage } from './components/rse'
 import { renderLinkPage, renderLinkButtons } from './components/link'
 import { renderVrmPage, setupVrmPage } from './components/vrm'
 import { checkMigrationStatus, renderMigrationPage, setupMigrationButton } from './components/card-migrate'
+import { renderNoteListPage, renderNoteDetailPage, setupNoteDetail } from './components/note'
 import { showLoading, hideLoading } from './components/loading'
 
 const app = document.getElementById('app')!
@@ -185,6 +186,7 @@ async function render(route: Route): Promise<void> {
     const activeTab = route.type === 'postpage' ? 'post' :
       (route.type === 'chat' || route.type === 'chat-thread' || route.type === 'chat-edit') ? 'chat' :
       route.type === 'link' ? 'link' :
+      (route.type === 'note' || route.type === 'note-detail') ? 'note' :
       (route.type === 'atbrowser' || route.type === 'service' || route.type === 'collection' || route.type === 'record' ? 'browser' : 'blog')
     html += renderModeTabs(handle, activeTab, localOnly)
 
@@ -290,6 +292,24 @@ async function render(route: Route): Promise<void> {
       html += `<div id="content">${renderVrmPage(vrmData, handle)}</div>`
       html += `<nav class="back-nav"><a href="/@${handle}">${handle}</a></nav>`
 
+    } else if (route.type === 'note') {
+      // Note list page
+      const noteCollection = 'ai.syui.note.post'
+      const notePosts = await getPosts(did, noteCollection, localOnly)
+      html += `<div id="content">${renderNoteListPage(notePosts, handle)}</div>`
+      html += `<nav class="back-nav"><a href="/@${handle}">${handle}</a></nav>`
+
+    } else if (route.type === 'note-detail' && route.rkey) {
+      // Note detail page
+      const noteCollection = 'ai.syui.note.post'
+      const notePost = await getPost(did, noteCollection, route.rkey, localOnly)
+      if (notePost) {
+        html += `<div id="content">${renderNoteDetailPage(notePost, handle, localOnly)}</div>`
+      } else {
+        html += `<div id="content" class="error">Note not found</div>`
+      }
+      html += `<nav class="back-nav"><a href="/@${handle}/at/note">note</a></nav>`
+
     } else if (route.type === 'chat') {
       // Chat list page - show all chat collections
       if (!config.bot) {
@@ -464,6 +484,15 @@ async function render(route: Route): Promise<void> {
       setupRecordMerge()
     }
 
+    // Setup note detail page
+    if (route.type === 'note-detail' && route.rkey) {
+      const noteCollection = 'ai.syui.note.post'
+      const notePost = await getPost(did, noteCollection, route.rkey, localOnly)
+      if (notePost && localOnly) {
+        setupNoteDetail(notePost)
+      }
+    }
+
     // Setup VRM page audio controls
     if (route.type === 'vrm') {
       setupVrmPage()
diff --git a/src/web/styles/main.css b/src/web/styles/main.css
index 7a51daf..44f1276 100644
--- a/src/web/styles/main.css
+++ b/src/web/styles/main.css
@@ -3053,3 +3053,44 @@ button.tab {
     border-top-color: #444;
   }
 }
+
+/* Note styles */
+.note-list { margin: 1rem 0; }
+.note-item { padding: 0.5rem 0; border-bottom: 1px solid #eee; }
+.note-link { display: flex; gap: 1rem; text-decoration: none; color: inherit; }
+.note-link:hover { opacity: 0.7; }
+.note-date { color: #888; font-size: 0.85rem; white-space: nowrap; }
+.note-title { font-weight: 500; }
+.note-tags { margin-top: 0.25rem; }
+.note-tag { font-size: 0.75rem; color: #666; background: #f0f0f0; padding: 0.1rem 0.4rem; border-radius: 3px; margin-right: 0.25rem; }
+.note-empty { color: #888; padding: 2rem 0; text-align: center; }
+
+.note-detail { margin: 1rem 0; }
+.note-detail-title { font-size: 1.4rem; margin-bottom: 0.25rem; }
+.note-detail-meta { color: #888; font-size: 0.85rem; margin-bottom: 1.5rem; }
+.note-section { margin-bottom: 1.5rem; }
+.note-section-label { font-size: 0.8rem; color: #999; border-bottom: 1px solid #eee; padding-bottom: 0.25rem; margin-bottom: 0.75rem; }
+.note-content { line-height: 1.8; }
+.note-paywall { text-align: center; color: #c0a060; margin: 2rem 0; font-size: 0.9rem; }
+
+.note-actions { display: flex; gap: 0.5rem; margin: 1rem 0; flex-wrap: wrap; align-items: center; }
+.note-copy-btn { font-size: 0.8rem; padding: 0.3rem 0.8rem; background: #f5f5f5; border: 1px solid #ddd; border-radius: 4px; cursor: pointer; }
+.note-copy-btn:hover { background: #e8e8e8; }
+.note-copy-status { font-size: 0.8rem; color: #4a4; }
+
+.note-edit { margin: 1rem 0; }
+.note-edit-input { width: 100%; padding: 0.5rem; font-size: 1rem; border: 1px solid #ddd; border-radius: 4px; margin-bottom: 0.5rem; box-sizing: border-box; }
+.note-edit-label { display: block; font-size: 0.8rem; color: #888; margin: 0.75rem 0 0.25rem; }
+.note-edit-textarea { width: 100%; padding: 0.5rem; font-family: monospace; font-size: 0.85rem; border: 1px solid #ddd; border-radius: 4px; box-sizing: border-box; }
+.note-edit-actions { display: flex; gap: 0.5rem; margin-top: 0.75rem; }
+.note-edit-actions button { padding: 0.3rem 1rem; border: 1px solid #ddd; border-radius: 4px; cursor: pointer; }
+
+@media (prefers-color-scheme: dark) {
+  .note-item { border-bottom-color: #333; }
+  .note-tag { background: #333; color: #aaa; }
+  .note-section-label { border-bottom-color: #333; }
+  .note-copy-btn { background: #2a2a2a; border-color: #444; color: #ccc; }
+  .note-copy-btn:hover { background: #333; }
+  .note-edit-input, .note-edit-textarea { background: #1a1a1a; color: #eee; border-color: #444; }
+  .note-edit-actions button { background: #2a2a2a; border-color: #444; color: #ccc; }
+}