diff --git a/app/assets/stylesheets/specific/posts.css.scss b/app/assets/stylesheets/specific/posts.css.scss
index 05d670eb7..0fd0c2f66 100644
--- a/app/assets/stylesheets/specific/posts.css.scss
+++ b/app/assets/stylesheets/specific/posts.css.scss
@@ -175,13 +175,9 @@ div#c-posts {
   }
 
   div#a-index {
-    div#posts {
-      margin-left: 0;
-      margin-right: 6.5em;
-    }
-
     #content {
       margin-left: 15em;
+      margin-right: 6.5em;
     }
 
     div#jlist-rss-ads-for-show {