Merge remote-tracking branch 'origin/main' into develop

.github/workflows/develop-deploy.yml

@@ -21,6 +21,17 @@ jobs:
     - name: Build
       run: npm run build # または pnpm run build
 
+    - name: Create gh-pages branch if it doesn't exist
+      run: |
+        if ! git ls-remote --heads origin gh-pages; then
+          git checkout --orphan gh-pages
+          git reset --hard
+          git commit --allow-empty -m "Initial gh-pages commit"
+          git push origin gh-pages
+        else
+          git checkout gh-pages
+        fi
+
     - name: Deploy to /dev directory
       run: |
         git checkout gh-pages