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 4bda5b6..bbfc557 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: 2026-04-23T08:28:54.863Z
+date: 2026-04-23T08:29:25.143Z
 tags: 
 editor: code
 dateCreated: 2026-04-23T05:48:59.751Z
@@ -10,8 +10,24 @@ 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" 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="responsive-video" frameborder="0" allowfullscreen allow="autoplay; fullscreen"></iframe>
+<style>
+/* 1. 기본 스타일 (모바일 기준) */
+.responsive-video {
+  width: 200%; /* 모바일에서는 가로 꽉 채움 */
+  aspect-ratio: 16 / 9;
+  display: block;
+  margin: 0 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 */
+  }
+}
+</style>
 <hr>
 <p>COURSE: Basic Turns</p>
 <p>FOCUS: This lesson teaches the inside turn in dance, focusing on proper technique for leaders and followers to execute the turn smoothly and return to close position.</p>