diff --git a/packages/frontend/src/components/MkPostForm.vue b/packages/frontend/src/components/MkPostForm.vue
index 72ce82589..9911dc0ae 100644
--- a/packages/frontend/src/components/MkPostForm.vue
+++ b/packages/frontend/src/components/MkPostForm.vue
@@ -1441,7 +1441,7 @@ defineExpose({
 	}
 }
 
-@container (max-width: 400px) {
+@container (max-width: 375px) {
 	.submitInner {
 		min-width: 20px;
 	}