@font-face {
    font-family: 'HakgyoansimWoojuR';
    src: url('https://fastly.jsdelivr.net/gh/projectnoonnu/noonfonts_2307-2@1.0/HakgyoansimWoojuR.woff2') format('woff2');
    font-weight: normal;
    font-style: normal;
}

html, body {
  height: auto;         /* html 쪽 100%/100vh 강제 방지 */
  min-height: 100%;     /* 페이지가 짧을 때만 보정 */
  overflow-y: auto;     /* 수직 스크롤 허용 */
}

body {
  background-color: black;
  color: white;
  font-family: 'HakgyoansimWoojuR', sans-serif;
  min-height: 100vh;
  margin: 0;
}

.InterText {
  font-family: 'HakgyoansimWoojuR', sans-serif;
  font-size: 20px;
  background-color: rgba(0, 0, 0, 0.60);
  border-radius: 40px 0px 40px 10px;
  border: 3px solid rgb(80, 80, 80);
  padding: 25px;
  margin: 5px 0px auto;
  color: white;
  text-align: center;
  filter: drop-shadow(2px 2px 2px rgb(95, 95, 95));
  transition: all 0.3s ease;
  cursor: pointer;
  display: inline-block;
  min-width: 100px;
}

.InterText:hover,
.InterText.active {
  filter: brightness(1.2);
  border-color: white;
}

.hidden {
  display: none;
}

#youtubePlayer {
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
  overflow: hidden;
}

#steps {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

#ImageText {
  width: min(960px, 92vw);
  margin-top: 24px;
  padding: 24px;
  border: 2px solid rgb(80,80,80);
  border-radius: 40px 0px 40px 10px;
  background: rgba(255,255,255,0.04);
  display: grid;
  grid-template-columns: 1.2fr 1fr; /* 좌: 이미지 / 우: 텍스트 */
  gap: 16px;
  align-items: center;
  filter: drop-shadow(2px 2px 2px rgb(50,50,50));
  scroll-margin-top: 48px;
}

#ImageText.hidden {
  display: none;
}

#ImageText img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 12px;
  border: 2px solid rgb(80,80,80);
}

#panelText {
  text-align: center;        /* 텍스트 가로 가운데 */
  display: flex;
  flex-direction: column;
  justify-content: center;   /* 텍스트 세로 가운데 */
  gap: 12px;
  padding: 8px;
  line-height: 1.3;
}

@media (max-width: 720px) {
  #ImageText {
    grid-template-columns: 1fr; /* 모바일: 위아래로 쌓기 */
  }
}