diff --git a/view/theme/plusfuture/css/style.css b/view/theme/plusfuture/css/style.css
index 8a1e735..2b38c3a 100644
--- a/view/theme/plusfuture/css/style.css
+++ b/view/theme/plusfuture/css/style.css
@@ -2209,7 +2209,7 @@ nav .navbar-nav > .text-truncate {
     display: none;
   }
 }
-.mr-2{
+#profile-jot-submit-left > div:first-of-type{
   width: 150px;
 }
 @media screen and (min-width: 450px) {
@@ -2224,7 +2224,7 @@ nav .navbar-nav > .text-truncate {
     /*カスタマイズ*/
     min-width: 0;
   }
-  .mr-2{
+  #profile-jot-submit-left > div:first-of-type{
     width: unset;
   }
 }