fix: 開発用のdata-*属性などを消去

public/index.html

@@ -135,7 +135,7 @@
         </div>
       </section>
       <!--********************************** gab animation ***************************************-->
-      <section class="gab-animation" data-state="start">
+      <section class="gab-animation">
         <div class="gab-animation__bg">
           <div></div><div></div><div></div><div></div>
           <div></div><div></div><div></div><div></div>

src/scss/modules/pc/_gab-animation.scss

@@ -6,7 +6,7 @@
     min-width: $min-width; min-height: $min-height;
     background-color: $theme-light-pink;
     overflow: hidden;
-    z-index: 1001;
+    z-index: 999;
   }
 
   /*** bg ***/