diff --git a/packages/client/src/components/MkNoteSub.vue b/packages/client/src/components/MkNoteSub.vue
index f98dfcb593..f4637948d1 100644
--- a/packages/client/src/components/MkNoteSub.vue
+++ b/packages/client/src/components/MkNoteSub.vue
@@ -435,6 +435,7 @@ function noteClick(e) {
 		}
 
 		> .body {
+			position: relative;
 			flex: 1;
 			min-width: 0;
 			margin: 0 -200px;
diff --git a/packages/client/src/components/MkSubNoteContent.vue b/packages/client/src/components/MkSubNoteContent.vue
index 432aa3e50b..ea09770548 100644
--- a/packages/client/src/components/MkSubNoteContent.vue
+++ b/packages/client/src/components/MkSubNoteContent.vue
@@ -390,6 +390,7 @@ function focusFooter(ev) {
 			background: var(--panel);
 			mask: linear-gradient(to top, var(--gradient));
 			-webkit-mask: linear-gradient(to top, var(--gradient));
+			transition: background .2s;
 		}
 	}
 }