/* 초기화 */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: sans-serif;
  background-color: #f0f0f0;
  display: flex;
  justify-content: center;
  padding: 20px;
}

.container {
  width: 100%;
  max-width: 1280px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* 유튜브 영상 */
.video-wrapper {
  width: 100%;
  max-width: 1280px;
  aspect-ratio: 16 / 9;
  margin-bottom: 20px;
}

.video-wrapper iframe {
  width: 100%;
  height: 100%;
  border: none;
  border-radius: 8px;
  display: block;
}

/* 메뉴 버튼 */
.menu {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

.menu-button {
  padding: 10px 20px;
  font-size: 16px;
  background-color: #888; /* 회색 배경 */
  color: #fff;             /* 흰색 글자 */
  border: none;
  border-radius: 5px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.menu-button:hover {
  background-color: #666;
}

.menu-button.active {
  background-color: #333; /* 진회색 */
}

/* 모바일 대응 */
@media (max-width: 1280px) {
  .container {
    padding: 0 10px;
  }
  .video-wrapper {
    width: 100%;
  }
}