diff --git a/src/components/editor/MarkdownEditor.vue b/src/components/editor/MarkdownEditor.vue
index ce9afd8..4cea660 100644
--- a/src/components/editor/MarkdownEditor.vue
+++ b/src/components/editor/MarkdownEditor.vue
@@ -120,6 +120,8 @@ onBeforeUnmount(() => {
     left: 50% !important;
     top: 50% !important;
     right: auto !important;
+    /* Toast UI 가 max-width:480px 에서 margin-left:-150px 를 줘서 좌측으로 밀려 잘림 → 취소 */
+    margin: 0 !important;
     transform: translate(-50%, -50%) !important;
     max-width: 94vw !important;
     max-height: 80vh;