update: カメラ移動をマークアップ

public/index.html

@@ -200,6 +200,12 @@
           </section>
           <section class="clock"><div></div></section>
         </div>
+        <div class="gab-animation__camera">
+          <section class="layer layer-1"></section>
+          <section class="layer layer-2"></section>
+          <section class="layer layer-3"></section>
+          <section class="layer layer-4"></section>
+        </div>
       </section>
     </main>
     <script type="text/javascript" src="./scripts/app.min.js"></script>