diff --git a/shiken.css b/shiken.css
index 53932ee..9b25c6c 100644
--- a/shiken.css
+++ b/shiken.css
@@ -13,7 +13,7 @@
   position: relative;
   width: 800px; /* ポスターの幅を適宜調整 */
   height: 1130px; /* ポスターの縦横比に合わせて高さを適宜調整 */
-  background-color: white;
+  background-color: 	#CD5C5C;
   overflow: hidden;
 }