diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 5869f89..e57593b 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -27,6 +27,17 @@ jobs:
       - name: Build TypeScript
         run: npm run build
 
+      - name: Verify build output
+        run: |
+          echo "📁 dist フォルダの内容:"
+          ls -la dist/
+          echo ""
+          echo "📄 appsscript.json の内容:"
+          cat dist/appsscript.json
+          echo ""
+          echo "📊 main.js のサイズ:"
+          wc -c dist/main.js
+
       - name: Setup clasp credentials
         env:
           CLASPRC_JSON: ${{ secrets.CLASPRC_JSON }}
diff --git a/esbuild.js b/esbuild.js
index d7aada9..37025d0 100644
--- a/esbuild.js
+++ b/esbuild.js
@@ -1,5 +1,4 @@
 import esbuild from 'esbuild';
-import { GasPlugin } from 'esbuild-gas-plugin';
 import { copyFileSync, mkdirSync } from 'fs';
 
 // distフォルダを作成（存在しない場合）
@@ -14,7 +13,11 @@ esbuild
         bundle: true,
         minify: true,
         outfile: './dist/main.js',
-        plugins: [GasPlugin],
+        format: 'iife',
+        globalName: '__bundle__',
+        footer: {
+            js: 'function onEdit(e){__bundle__.onEdit(e)}',
+        },
     })
     .then(() => {
         console.log('✅ Build succeeded!');
diff --git a/src/App.ts b/src/App.ts
deleted file mode 100644
index 39c700d..0000000
--- a/src/App.ts
+++ /dev/null
@@ -1,63 +0,0 @@
-import { getApplicationFromRow } from './application';
-import { sendDiscordNotification } from './discord';
-
-/**
- * スプレッドシートに行が追加されたときのトリガー
- */
-export const onEdit = (e: GoogleAppsScript.Events.SheetsOnEdit) => {
-  try {
-    const range = e.range;
-    const sheet = range.getSheet();
-    const row = range.getRow();
-
-    // ヘッダー行（1行目）は無視
-    if (row <= 1) {
-      return;
-    }
-
-    // 申請情報を取得
-    const application = getApplicationFromRow(sheet, row);
-
-    if (!application) {
-      Logger.log(`行${row}: 申請情報が不完全のため通知をスキップ`);
-      return;
-    }
-
-    // Discord通知を送信
-    sendDiscordNotification(application);
-    Logger.log(`行${row}: 通知送信完了`);
-  } catch (error) {
-    Logger.log(`エラー: ${error}`);
-    throw error;
-  }
-};
-
-/**
- * テスト用: 手動で通知を送信
- */
-export const testNotification = () => {
-  const ss = SpreadsheetApp.getActiveSpreadsheet();
-  const sheet = ss.getActiveSheet();
-
-  // アクティブセルの行で通知テスト
-  const activeRow = sheet.getActiveCell().getRow();
-
-  if (activeRow <= 1) {
-    SpreadsheetApp.getUi().alert('データ行（2行目以降）を選択してください');
-    return;
-  }
-
-  const application = getApplicationFromRow(sheet, activeRow);
-
-  if (!application) {
-    SpreadsheetApp.getUi().alert('申請情報が取得できませんでした');
-    return;
-  }
-
-  try {
-    sendDiscordNotification(application);
-    SpreadsheetApp.getUi().alert('通知送信成功！Discordを確認してください。');
-  } catch (error) {
-    SpreadsheetApp.getUi().alert(`エラー: ${error}`);
-  }
-};
diff --git a/src/main.ts b/src/main.ts
index 47256a9..afa95ae 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -1,11 +1,33 @@
-import { onEdit, testNotification } from './App';
+import { getApplicationFromRow } from './application';
+import { sendDiscordNotification } from './discord';
 
-interface Global {
-  onEdit: typeof onEdit;
-  testNotification: typeof testNotification;
-}
-declare const global: Global;
+/**
+ * スプレッドシートに行が追加されたときのトリガー
+ */
+export function onEdit(e: GoogleAppsScript.Events.SheetsOnEdit) {
+  try {
+    const range = e.range;
+    const sheet = range.getSheet();
+    const row = range.getRow();
+
+    // ヘッダー行（1行目）は無視
+    if (row <= 1) {
+      return;
+    }
+
+    // 申請情報を取得
+    const application = getApplicationFromRow(sheet, row);
 
-// entryPoints
-global.onEdit = onEdit;
-global.testNotification = testNotification;
+    if (!application) {
+      Logger.log(`行${row}: 申請情報が不完全のため通知をスキップ`);
+      return;
+    }
+
+    // Discord通知を送信
+    sendDiscordNotification(application);
+    Logger.log(`行${row}: 通知送信完了`);
+  } catch (error) {
+    Logger.log(`エラー: ${error}`);
+    throw error;
+  }
+}