diff --git a/Dance/Blues/Instruction_Video/Bluesroom/new-page/0_abcd_esdf.html b/Dance/Blues/Instruction_Video/Bluesroom/new-page/0_abcd_esdf.html
index d76e923..d28cfeb 100644
--- a/Dance/Blues/Instruction_Video/Bluesroom/new-page/0_abcd_esdf.html
+++ b/Dance/Blues/Instruction_Video/Bluesroom/new-page/0_abcd_esdf.html
@@ -2,7 +2,7 @@
 title: abcd edsdf
 description: 
 published: true
-date: 2026-04-23T08:30:25.273Z
+date: 2026-04-23T08:31:43.046Z
 tags: 
 editor: code
 dateCreated: 2026-04-23T05:48:59.751Z
@@ -10,23 +10,20 @@ dateCreated: 2026-04-23T05:48:59.751Z
 
 <h1>1_Basic Turns Course</h1>
 <hr>
-<iframe src="https://video.terbits.xyz/player.html?src=videos/Bluesrooms/Begginer%20Survival%20Kit/Basic%20Turns/1_Basic%20Turns%20Course.mp4" class="responsive-video" frameborder="0" allowfullscreen allow="autoplay; fullscreen"></iframe>
+<iframe src="https://video.terbits.xyz/player.html?src=videos/Bluesrooms/Begginer%20Survival%20Kit/Basic%20Turns/1_Basic%20Turns%20Course.mp4" class="modern-video" frameborder="0" allowfullscreen allow="autoplay; fullscreen"></iframe>
 <style>
-/* 1. 기본 스타일 (모바일 기준) */
-.responsive-video {
-  width: 200%; /* 모바일에서는 가로 꽉 채움 */
+.modern-video {
+  width: 100%; /* 모바일 기준 */
+  /* iframe은 height: auto가 아니라 특정 값을 주거나 비율을 강제해야 함 */
   aspect-ratio: 16 / 9;
+  height: auto !important; 
   display: block;
-  margin: 0 auto;
-  height: auto;
 }
 
-/* 2. 데스크톱 스타일 (화면 너비가 768px 이상일 때) */
 @media (min-width: 768px) {
-  .responsive-video {
-    width: 200%; /* 데스크톱에서는 60%로 축소 */
-    max-width: 2000px; /* 너무 커지는 것 방지 */
-    height: auto;
+  .modern-video {
+    width: 60%; /* 데스크톱 기준 */
+    margin: 0 auto;
   }
 }
 </style>