diff --git a/public/index.html b/public/index.html
index 468524b..5b38296 100644
--- a/public/index.html
+++ b/public/index.html
@@ -333,7 +333,7 @@
         </section>
       </section>
       <!--********************************** top-page ***************************************-->
-      <section class="top-page" data-state="start">
+      <section class="top-page">
         <section class="top-page__ring">
           <div class="wrap">
             <div class="inner">
diff --git a/src/scss/modules/pc/_top-page.scss b/src/scss/modules/pc/_top-page.scss
index 37b2146..4810495 100644
--- a/src/scss/modules/pc/_top-page.scss
+++ b/src/scss/modules/pc/_top-page.scss
@@ -5,7 +5,7 @@
     width: 100%; height: 100%;
     background-color: $theme-bg;
     overflow: hidden;
-    z-index: 1001;
+    z-index: 995;
 
     &::after {
       content: ""; display: block;
diff --git a/src/scss/modules/sp/_top-page.scss b/src/scss/modules/sp/_top-page.scss
index ccf244a..5da0e7d 100644
--- a/src/scss/modules/sp/_top-page.scss
+++ b/src/scss/modules/sp/_top-page.scss
@@ -5,7 +5,7 @@
     width: 100%; height: 100%;
     background-color: $theme-bg;
     overflow: hidden;
-    z-index: 1001;
+    z-index: 995;
 
     &::after {
       content: ""; display: block;
diff --git a/src/scss/modules/tablet/_top-page.scss b/src/scss/modules/tablet/_top-page.scss
index d2f8922..16b6575 100644
--- a/src/scss/modules/tablet/_top-page.scss
+++ b/src/scss/modules/tablet/_top-page.scss
@@ -5,7 +5,7 @@
     width: 100%; height: 100%;
     background-color: $theme-bg;
     overflow: hidden;
-    z-index: 1001;
+    z-index: 995;
 
     &::after {
       content: ""; display: block;