diff --git a/index.css b/index.css
index 2e705bb..31f09c3 100644
--- a/index.css
+++ b/index.css
@@ -2940,7 +2940,7 @@
   }
 }
 
-/* Display Frame */
+/* Display Frame - 가로 크기는 feature-card와 일치, 세로는 9:16 비율 */
 .display-frame {
   display: flex;
   width: 120px;
@@ -2960,15 +2960,15 @@
 
 @media (min-width: 768px) {
   .display-frame {
-    width: 200px;
-    height: 356px;
+    width: 280px;
+    height: 498px;
   }
 }
 
 @media (min-width: 1024px) {
   .display-frame {
-    width: 270px;
-    height: 480px;
+    width: 340px;
+    height: 604px;
   }
 }