*{
   box-sizing: border-box;
   margin: 0;
}

/* sound_only 클래스 추가 (헤더용) */
.sound_only {
  position: absolute !important;
  width: 0 !important;
  height: 0 !important;
  overflow: hidden !important;
  margin: 0 !important;
  padding: 0 !important;
  font-size: 0 !important;
  line-height: 0 !important;
  border: 0 !important;
}

body {
  margin: 0;
  font-family: 'Pretendard', 'Noto Sans KR', sans-serif;
  background-color: #f9fafb;
  color: #333;
  padding-top: 130px; /* 헤더(80px) + topnav(50px) 높이 추가 */
  padding-bottom: 80px; /* 하단 네비 높이 */
}

.guide-container {
  max-width: 420px;
  margin: 0 auto;
  padding: 20px;
  text-align: center;
}