diff --git a/css/main.css b/css/main.css
index 7b77a2e..f991588 100644
--- a/css/main.css
+++ b/css/main.css
@@ -4,7 +4,7 @@
 
 /* Hero 섹션 */
 .hero-section {
-    min-height: calc(100vh - var(--navbar-height));
+    height: 100vh;
     display: flex;
     align-items: center;
     position: relative;
@@ -38,14 +38,13 @@
 
 .video-bg iframe {
     position: absolute;
-    top: 50%;
-    left: 50%;
-    width: 100vw;
-    height: 56.25vw; /* 16:9 비율 */
-    min-width: 100%;
-    min-height: 100%;
-    transform: translate(-50%, -50%);
+    top: 0;
+    left: 0;
+    width: 100%;
+    height: 100%;
+    transform: none;
     pointer-events: none;
+    object-fit: cover;
 }
 
 /* 영상 위에 오버레이 */