diff --git a/packages/frontend/src/components/MkPostForm.vue b/packages/frontend/src/components/MkPostForm.vue
index 78c69306b0..e43ff65e1d 100644
--- a/packages/frontend/src/components/MkPostForm.vue
+++ b/packages/frontend/src/components/MkPostForm.vue
@@ -1314,7 +1314,7 @@ html[data-color-scheme=light] .preview {
 	padding: 0 24px;
 	margin: 0;
 	width: 100%;
-	font-size: 16px;
+	font-size: 110%;
 	border: none;
 	border-radius: 0;
 	background: transparent;