* { box-sizing: border-box; }
body { margin: 0; font-family: "Noto Sans KR", sans-serif; background: #f7f8ff; color: #36415a; }
.site-header {
  position: sticky; top: 0; z-index: 10;
  background: rgba(247, 248, 255, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(74, 92, 132, 0.08);
}
.header-inner {
  max-width: 1120px; margin: 0 auto; padding: 14px 16px;
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
}
.brand, .site-nav a { text-decoration: none; color: #36415a; }
.brand { font-weight: 800; }
.site-nav { display: flex; flex-wrap: wrap; gap: 10px; }
.site-nav a { background: #ffffff; border-radius: 999px; padding: 8px 12px; }
.grid {
  max-width: 1120px; margin: 24px auto; padding: 0 16px;
  display: grid; grid-template-columns: 1fr 1.3fr; gap: 16px;
}
.card { background: #fff; border-radius: 18px; box-shadow: 0 10px 22px rgba(74, 92, 132, 0.1); }
.left { padding: 24px; display: grid; align-content: start; gap: 14px; }
.mini { padding: 14px; background: #edf2ff; }
.mail a { color: #4f72b8; text-decoration: none; }
.right { display: grid; gap: 16px; }
.hero { overflow: hidden; min-height: 350px; }
.hero img { width: 100%; height: 100%; object-fit: cover; display: block; }
.controls { padding: 20px; }
input[type="range"] { width: 100%; accent-color: #8db0ff; }
.details {
  max-width: 1120px;
  margin: 4px auto 0;
  padding: 0 16px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.detail { padding: 20px; }
.detail ul { margin: 0; padding-left: 18px; display: grid; gap: 8px; }
.event-list { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0; }
.event-btn {
  border: none;
  border-radius: 999px;
  padding: 8px 12px;
  background: #eef3ff;
  color: #3f6096;
  cursor: pointer;
}
.event-btn.active { background: #dce7ff; font-weight: 700; }
.plans { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.plans div { background: #edf2ff; border-radius: 12px; padding: 12px; }
.faq-q {
  width: 100%;
  text-align: left;
  border: none;
  border-radius: 10px;
  padding: 10px 12px;
  margin-top: 8px;
  background: #eef3ff;
  color: #3c5a8c;
  cursor: pointer;
}
.faq-a { margin: 8px 0 0; padding: 0 2px; color: #4e5e7c; }
.extra {
  max-width: 1120px;
  margin: 16px auto 0;
  padding: 0 16px;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr) minmax(0, 1.2fr);
  gap: 16px;
  align-items: start;
}
.extra + .extra { grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr) minmax(0, 0.85fr); }
.extra-block { padding: 20px; }
.extra-block ul { margin: 0; padding-left: 18px; display: grid; gap: 8px; }
.gallery-grid {
  padding: 14px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  background: linear-gradient(180deg, #faf8ff, #f1f3ff);
}
.gallery-grid img {
  width: 100%;
  height: 148px;
  object-fit: cover;
  display: block;
  border-radius: 12px;
  margin: 0;
}
.gallery-grid img:first-child { grid-column: span 2; }
.site-footer {
  max-width: 1120px; margin: 0 auto 24px; padding: 0 16px; color: #666;
}
.footer-inner {
  background: #fff; border-radius: 18px; box-shadow: 0 10px 22px rgba(74, 92, 132, 0.1);
  padding: 20px; display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
}
.copyright { text-align: center; margin: 12px 0 0; }
@media (max-width: 900px) {
  .grid, .details, .plans, .extra, .extra + .extra, .footer-inner { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr; }
  .gallery-grid img, .gallery-grid img:first-child { height: 200px; grid-column: auto; }
  .header-inner { display: grid; grid-template-columns: 1fr; }
}