diff --git a/.github/pull_request_template.md b/.github/pull_request_template.md
new file mode 100644
index 0000000..e9ff44a
--- /dev/null
+++ b/.github/pull_request_template.md
@@ -0,0 +1,4 @@
+<!-- リリースノートに入るのは「## 概要」の本文だけです。機能の改善・変更を書いてください。見出しが無い場合は PR タイトルだけが載ります。 -->
+
+## 概要
+
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 69d045d..3f78962 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -23,12 +23,18 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      - name: Create draft release with PR body
+      - name: Create draft release from PR overviews
         id: create-release
         uses: actions/github-script@v7
         with:
           script: |
             const fs = require('fs');
+            const path = require('path');
+            const { buildReleaseNotes } = require(path.join(
+              process.env.GITHUB_WORKSPACE,
+              'scripts',
+              'release-notes.cjs'
+            ));
             const tagName = context.ref.startsWith('refs/tags/') 
               ? context.ref.replace('refs/tags/', '') 
               : context.payload.inputs.tag_name;
@@ -54,18 +60,18 @@ jobs:
               core.warning(`pr-release-relation.yml の読み込みに失敗: ${e.message}`);
             }
 
-            // 各PRのbodyを取得して結合
-            const bodies = [];
+            // ## 概要 だけを載せる。節が無ければ PR タイトル。
+            const pulls = [];
             for (const prNumber of prNumbers) {
               const { data: pr } = await github.rest.pulls.get({
                 owner: context.repo.owner,
                 repo: context.repo.repo,
                 pull_number: prNumber,
               });
-              if (pr.body) bodies.push(pr.body.trim());
+              pulls.push({ title: pr.title, body: pr.body || '' });
             }
 
-            const body = bodies.join('\n\n---\n\n') || `Release ${tagName}`;
+            const body = buildReleaseNotes(pulls) || `Release ${tagName}`;
 
             const { data: release } = await github.rest.repos.createRelease({
               owner: context.repo.owner,
diff --git a/scripts/release-notes.cjs b/scripts/release-notes.cjs
new file mode 100644
index 0000000..c577ba1
--- /dev/null
+++ b/scripts/release-notes.cjs
@@ -0,0 +1,82 @@
+// リリースノートは各 PR の「## 概要」だけ。節が無ければタイトルの箇条書き。
+
+function extractOverview(markdown) {
+  const lines = String(markdown ?? "")
+    .replace(/\r\n/g, "\n")
+    .replace(/\r/g, "\n")
+    .split("\n");
+  let fence = null;
+  let capturing = false;
+  const out = [];
+
+  const atFence = (line) => {
+    const m = /^( {0,3})(`{3,}|~{3,})(.*)$/.exec(line);
+    if (!m) return false;
+    const marker = m[2];
+    const rest = m[3];
+    if (!fence) {
+      fence = { char: marker[0], len: marker.length };
+      return true;
+    }
+    if (marker[0] === fence.char && marker.length >= fence.len && rest.trim() === "") {
+      fence = null;
+      return true;
+    }
+    return false;
+  };
+
+  for (const line of lines) {
+    if (atFence(line) || fence) {
+      if (capturing) out.push(line);
+      continue;
+    }
+    if (/^##\s+概要\s*$/.test(line)) {
+      capturing = true;
+      continue;
+    }
+    if (capturing && /^#{1,2}\s+\S/.test(line)) break;
+    if (capturing) out.push(line);
+  }
+
+  const text = out.join("\n").trim();
+  return text || null;
+}
+
+function buildReleaseNotes(pulls) {
+  const chunks = [];
+  const bullets = [];
+  const flush = () => {
+    if (bullets.length === 0) return;
+    chunks.push(bullets.join("\n"));
+    bullets.length = 0;
+  };
+
+  for (const pr of pulls || []) {
+    const overview = extractOverview(pr && pr.body);
+    if (overview) {
+      flush();
+      chunks.push(`## 概要\n\n${overview}`);
+      continue;
+    }
+    const title = String((pr && pr.title) || "")
+      .replace(/\s+/g, " ")
+      .trim();
+    if (title) bullets.push(`- ${title}`);
+  }
+  flush();
+  return chunks.join("\n\n");
+}
+
+module.exports = { extractOverview, buildReleaseNotes };
+
+if (require.main === module) {
+  const fs = require("fs");
+  const file = process.argv[2];
+  if (!file) {
+    process.stderr.write("usage: node scripts/release-notes.cjs <pulls.json>\n");
+    process.exit(2);
+  }
+  const notes = buildReleaseNotes(JSON.parse(fs.readFileSync(file, "utf8")));
+  process.stdout.write(notes);
+  if (notes && !notes.endsWith("\n")) process.stdout.write("\n");
+}
diff --git a/scripts/release-notes.test.cjs b/scripts/release-notes.test.cjs
new file mode 100644
index 0000000..2576237
--- /dev/null
+++ b/scripts/release-notes.test.cjs
@@ -0,0 +1,96 @@
+const test = require("node:test");
+const assert = require("node:assert/strict");
+const { extractOverview, buildReleaseNotes } = require("./release-notes.cjs");
+
+const pr16 = `## 概要
+
+next版の7項目を実装。
+
+| コミット | 内容 |
+|---|---|
+| \`feat:\` ローカルAPI + MCP | HTTP API |
+
+### 補足
+
+フォーカス移動を含む。
+
+## 確認
+
+- \`tsc\` 成功
+
+## レビューしてほしい点
+
+1. Google連携は未検証です。
+
+## 既知の割り切り（\`ponytail:\` コメントで明記）
+
+- トークンファイルの 0600 は unix のみ（Windows未対応）
+`;
+
+test("概要だけを抜き、確認・レビュー・割り切りは捨てる", () => {
+  const notes = buildReleaseNotes([{ title: "feat: next版", body: pr16 }]);
+  assert.match(notes, /next版の7項目を実装/);
+  assert.match(notes, /ローカルAPI \+ MCP/);
+  assert.match(notes, /### 補足/);
+  assert.match(notes, /フォーカス移動を含む/);
+  assert.doesNotMatch(notes, /## 確認/);
+  assert.doesNotMatch(notes, /tsc/);
+  assert.doesNotMatch(notes, /レビューしてほしい点/);
+  assert.doesNotMatch(notes, /未検証/);
+  assert.doesNotMatch(notes, /既知の割り切り/);
+  assert.doesNotMatch(notes, /Windows未対応/);
+});
+
+test("見出しが無い本文はタイトルにフォールバックする", () => {
+  const notes = buildReleaseNotes([
+    { title: "fix: バグ修正", body: "- ウィンドウが閉じない\n- 日付が更新されない\n" },
+  ]);
+  assert.equal(notes, "- fix: バグ修正");
+});
+
+test("概要が空、または確認しか無いときは本文を載せない", () => {
+  const empty = buildReleaseNotes([
+    { title: "feat: 空", body: "## 概要\n\n\n## 確認\n\n- cargo test\n" },
+  ]);
+  assert.equal(empty, "- feat: 空");
+
+  const checklistOnly = buildReleaseNotes([
+    { title: "chore: 確認だけ", body: "## 確認\n\n- 目視した\n\n## レビューしてほしい点\n\n- なし\n" },
+  ]);
+  assert.equal(checklistOnly, "- chore: 確認だけ");
+});
+
+test("コードフェンス内の見出しでは節を切らない", () => {
+  const body = [
+    "## 概要",
+    "",
+    "手順:",
+    "",
+    "```",
+    "## 確認",
+    "レビューしてほしい点",
+    "```",
+    "",
+    "以上。",
+    "",
+    "## 確認",
+    "",
+    "- 実機",
+  ].join("\n");
+  const section = extractOverview(body);
+  assert.match(section, /## 確認/);
+  assert.match(section, /以上。/);
+  assert.doesNotMatch(section, /実機/);
+});
+
+test("複数 PR は概要とタイトル箇条書きを順に結合する", () => {
+  const notes = buildReleaseNotes([
+    { title: "chore: 先", body: "" },
+    { title: "feat: 本体", body: "## 概要\r\n\r\nカレンダーを削除。\r\n" },
+    { title: "chore: 後\nの続き", body: "本文は使わない" },
+  ]);
+  assert.equal(
+    notes,
+    ["- chore: 先", "## 概要\n\nカレンダーを削除。", "- chore: 後 の続き"].join("\n\n"),
+  );
+});
diff --git a/src-tauri/tauri.conf.json b/src-tauri/tauri.conf.json
index d566fda..8c380a7 100644
--- a/src-tauri/tauri.conf.json
+++ b/src-tauri/tauri.conf.json
@@ -28,7 +28,7 @@
   },
   "bundle": {
     "active": true,
-    "targets": "all",
+    "targets": ["app", "dmg"],
     "icon": [
       "icons/icon_16x16.png",
       "icons/icon_32x32.png",