diff --git a/view/theme/plusfuture/js/plusfuture.js b/view/theme/plusfuture/js/plusfuture.js
index 9658edf..c6382ea 100644
--- a/view/theme/plusfuture/js/plusfuture.js
+++ b/view/theme/plusfuture/js/plusfuture.js
@@ -101,20 +101,14 @@ $(document).ready(function() {
     checkNotify();
   }, 10 * 1000);
   //トップに戻る
-  $("nav").click(function(e) {
-    if ($(e.target).get(0).tagName == "a") {
-      //spanだけ別の動作
-      return false;
-    } else {
-      //普通の動作
-      $("body,html").animate(
-        {
-          scrollTop: 0
-        },
-        150
-      );
-      return false;
-    }
+  $("nav:not(a)").click(function(e) {
+    $("body,html").animate(
+      {
+        scrollTop: 0
+      },
+      150
+    );
+    return false;
   });
 });