diff --git a/index.html b/index.html
index 2880d4a..c9ef59c 100644
--- a/index.html
+++ b/index.html
@@ -228,7 +228,14 @@
             <div class="sec-label">入力</div>
             <div class="input-card">
                 <div class="field">
-                    <label class="field-label" for="activities">主な活動</label>
+                    <div style="display:flex;align-items:center;justify-content:space-between;margin-bottom:6px">
+                        <label class="field-label" for="activities" style="margin-bottom:0">主な活動</label>
+                        <button class="btn btn-ghost" id="loadCommitsBtn"
+                            style="font-size:11px;padding:4px 10px;display:inline-flex;align-items:center;gap:5px">
+                            <i data-lucide="git-commit-horizontal" style="width:12px;height:12px;stroke-width:1.5"></i>
+                            コミットから読み込む
+                        </button>
+                    </div>
                     <textarea id="activities" rows="5"
                         placeholder="実装した機能、解決した問題、取り組んだ作業などを自由に書いてください。箇条書きでもOK。"></textarea>
                 </div>
@@ -477,6 +484,56 @@ document.getElementById('copyBtn').addEventListener('click', async () => {
     }
 });
 
+// ── コミット読み込み ──────────────────
+document.getElementById('loadCommitsBtn').addEventListener('click', async () => {
+    const token = getToken();
+    if (!token) { showToast('ログインが必要です'); return; }
+
+    const btn = document.getElementById('loadCommitsBtn');
+    btn.disabled = true;
+    btn.innerHTML = '<span class="spinner" style="border-color:rgba(0,0,0,.15);border-top-color:var(--text2)"></span> 読み込み中';
+
+    try {
+        const resp = await fetch(`${API}/chronicle/activity?days=${activeDays}`, {
+            headers: { 'Authorization': `Bearer ${token}` }
+        });
+
+        if (resp.status === 503) {
+            showToast('VPS に CHRONICLE_GITHUB_TOKEN が未設定です');
+            return;
+        }
+        if (!resp.ok) throw new Error(`HTTP ${resp.status}`);
+
+        const data = await resp.json();
+        if (!data.commits?.length) {
+            showToast('この期間にコミットが見つかりませんでした');
+            return;
+        }
+
+        const byRepo = {};
+        for (const c of data.commits) {
+            if (!byRepo[c.repo]) byRepo[c.repo] = [];
+            byRepo[c.repo].push(c.message);
+        }
+
+        const lines = [];
+        for (const [repo, messages] of Object.entries(byRepo)) {
+            lines.push(`【${repo}】`);
+            for (const m of messages) lines.push(`- ${m}`);
+        }
+
+        const area = document.getElementById('activities');
+        area.value = lines.join('\n');
+        showToast(`${data.commits.length} 件のコミットを読み込みました`);
+    } catch (e) {
+        showToast(`読み込み失敗: ${e.message}`);
+    } finally {
+        btn.disabled = false;
+        btn.innerHTML = '<i data-lucide="git-commit-horizontal" style="width:12px;height:12px;stroke-width:1.5"></i> コミットから読み込む';
+        lucide.createIcons();
+    }
+});
+
 // ── Toast ─────────────────────────────
 function showToast(msg) {
     const el = document.getElementById('toast');
diff --git a/vercel.json b/vercel.json
index 8dc9043..44704f6 100644
--- a/vercel.json
+++ b/vercel.json
@@ -30,7 +30,7 @@
         },
         {
           "key": "Content-Security-Policy",
-          "value": "default-src 'self'; script-src 'self' 'unsafe-inline' https://unpkg.com https://posimai-ui.vercel.app; style-src 'self' 'unsafe-inline' https://fonts.googleapis.com https://fonts.gstatic.com https://posimai-ui.vercel.app; font-src 'self' data: https://fonts.gstatic.com; img-src 'self' data: https:; connect-src 'self' https://api.soar-enrich.com; worker-src 'self'; frame-ancestors 'none';"
+          "value": "default-src 'self'; script-src 'self' 'unsafe-inline' https://unpkg.com https://posimai-ui.vercel.app; style-src 'self' 'unsafe-inline' https://fonts.googleapis.com https://fonts.gstatic.com https://posimai-ui.vercel.app; font-src 'self' data: https://fonts.gstatic.com; img-src 'self' data: https:; connect-src 'self' https://api.soar-enrich.com https://api.github.com; worker-src 'self'; frame-ancestors 'none';"
         },
         {
           "key": "Strict-Transport-Security",