diff --git a/plusfuture/css/style.css b/plusfuture/css/style.css
index b1dbd3d..196c9bd 100644
--- a/plusfuture/css/style.css
+++ b/plusfuture/css/style.css
@@ -1265,7 +1265,9 @@ img.mail-conv-sender-photo {
 #avatar {
 	width: 2.35rem;
 	height: 2.35rem;
-	border-radius: $radius;
+	/*カスタマイズ*/
+	border-radius: 50%;
+	filter: drop-shadow(0px 0px 7px rgba(75, 75, 75, 0.678));
 }
 
 #nav-app-link {