diff --git a/SWAN/11-last.css b/SWAN/11-last.css
index 7a18452..e5b79d1 100644
--- a/SWAN/11-last.css
+++ b/SWAN/11-last.css
@@ -65,7 +65,7 @@
 
 /*エリア全体を中央寄せ*/
 .wrapper{
-  width:80%;
+  width:50%;
   max-width:900px;
   margin:0 auto;
 }