diff --git a/.github/workflows/gh-pages.yml b/.github/workflows/gh-pages.yml
index 2a4b607..f3e77cf 100644
--- a/.github/workflows/gh-pages.yml
+++ b/.github/workflows/gh-pages.yml
@@ -18,7 +18,16 @@ concurrency:
 env:
   LANG: 'ja_JP.UTF-8'
 jobs:
-  build-github-desktop:
+  build-slides:
+    timeout-minutes: 30
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - slide: git
+            output_name: github-desktop-slide
+          - slide: design
+            output_name: basic-design-slide
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
@@ -34,83 +43,43 @@ jobs:
         run: npm install -g @marp-team/marp-cli
 
       - name: Make Directory
-        run: mkdir dest && cp -r ./git/imgs ./dest/imgs
+        run: mkdir dest && cp -r ./${{ matrix.slide }}/imgs ./dest/imgs
 
-      - name: Build Marp git-tutorial PDF
-        run: marp $(cat config.json | jq -r .[0].directory)/slide.md
+      - name: Build Marp PDF
+        run: marp ${{ matrix.slide }}/slide.md
           --pdf
-          -o ./dest/$(cat config.json | jq -r .[0].output_name).pdf
+          -o ./dest/${{ matrix.output_name }}.pdf
           --allow-local-files
 
-      - name: Build Marp git-tutorial HTML
-        run: marp $(cat config.json | jq -r .[0].directory)/slide.md
+      - name: Build Marp HTML
+        run: marp ${{ matrix.slide }}/slide.md
           --html
-          -o ./dest/$(cat config.json | jq -r .[0].output_name).html
+          -o ./dest/${{ matrix.output_name }}.html
           --allow-local-files
 
       - name: Upload Artifact
         uses: actions/upload-artifact@v4
         with:
-          name: git
-          path: ./dest
-
-  build-basic-design:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v2
-
-      - name: Setup Pages
-        uses: actions/configure-pages@v3
-
-      - name: Setup Packages
-        run: sudo apt update && sudo apt install jq npm fonts-noto
-
-      - name: Install Marp CLI
-        run: npm install -g @marp-team/marp-cli
-
-      - name: Make Directory
-        run: mkdir dest && cp -r ./design/imgs ./dest/imgs
-
-      - name: Build Marp design PDF
-        run: marp $(cat config.json | jq -r .[1].directory)/slide.md
-          --pdf
-          -o ./dest/$(cat config.json | jq -r .[1].output_name).pdf
-          --allow-local-files
-
-      - name: Build Marp design HTML
-        run: marp $(cat config.json | jq -r .[1].directory)/slide.md
-          --html
-          -o ./dest/$(cat config.json | jq -r .[1].output_name).html
-          --allow-local-files
-
-      - name: Upload Artifact
-        uses: actions/upload-artifact@v4
-        with:
-          name: design
+          name: ${{ matrix.slide }}
           path: ./dest
 
   upload-slide:
     runs-on: ubuntu-latest
     needs:
-      - build-github-desktop
-      - build-basic-design
+      - build-slides
     steps:
       - name: Download git Artifact
         uses: actions/download-artifact@v4
 
-      - name: Make Directory
-        run: mkdir pages && cp -r ./git ./pages/git && cp -r ./design ./pages/design
-
       - name: Upload Slide Artifact
         uses: actions/upload-artifact@v4
         with:
-          path: ./pages
+          path: ./
 
       - name: Upload to GitHub Pages
         uses: actions/upload-pages-artifact@v1
         with:
-          path: ./pages
+          path: ./
 
   deploy:
     environment:
diff --git a/config.json b/config.json
deleted file mode 100644
index 294e570..0000000
--- a/config.json
+++ /dev/null
@@ -1,10 +0,0 @@
-[
-    {
-        "directory": "git",
-        "output_name": "github-desktop-slide"
-    },
-    {
-        "directory": "design",
-        "output_name": "basic-design-slide"
-    }
-]
\ No newline at end of file