:root {
  --red-900: #4b0711;
  --red-800: #821421;
  --red-700: #c51f35;
  --red-100: #ffe8ec;
  --ink: #171b24;
  --muted: #657082;
  --line: #ecd6da;
  --paper: #fff8f9;
  --white: #fff;
  --shadow: 0 24px 70px rgba(130, 20, 33, 0.14);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Apple SD Gothic Neo, Pretendard, system-ui, -apple-system, BlinkMacSystemFont, Segoe UI, sans-serif;
  font-size: 16px;
  line-height: 1.7;
}
a { color: inherit; text-decoration: none; }
h1, h2, h3, p { word-break: keep-all; overflow-wrap: anywhere; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 18px 22px;
  background: rgba(255, 248, 249, 0.92);
  backdrop-filter: blur(18px);
}
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--red-900); font-size: 21px; }
.brand span {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--red-700);
  color: var(--white);
  font-weight: 900;
}
.site-nav { display: flex; gap: 6px; align-items: center; }
.site-nav a {
  padding: 10px 12px;
  border-radius: 10px;
  color: #543943;
  font-size: 15px;
  font-weight: 800;
}
.site-nav a:hover,
.site-nav a[aria-current="page"] {
  background: var(--white);
  color: var(--red-700);
  box-shadow: 0 10px 24px rgba(130, 20, 33, 0.09);
}
.menu-button {
  display: none;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--white);
  color: var(--red-900);
  padding: 9px 12px;
  font: inherit;
  font-weight: 900;
}

main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 28px 22px 84px;
}
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
  align-items: center;
  min-height: 540px;
  padding: 58px;
  border: 1px solid var(--line);
  border-radius: 26px;
  background: linear-gradient(180deg, #ffffff 0%, #fff1f3 100%);
  box-shadow: var(--shadow);
}
.hero-copy {
  max-width: 940px;
}
.eyebrow,
.section-label {
  margin: 0 0 12px;
  color: var(--red-700);
  font-size: 14px;
  font-weight: 900;
}
h1 {
  margin: 0;
  color: var(--red-900);
  font-size: clamp(38px, 5.8vw, 66px);
  line-height: 1.08;
  letter-spacing: 0;
}
.lead {
  margin: 24px 0 0;
  max-width: 730px;
  color: #3d4655;
  font-size: 20px;
  line-height: 1.8;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 20px;
  border-radius: 12px;
  font-weight: 900;
}
.button-primary {
  background: var(--red-700);
  color: var(--white);
  box-shadow: 0 16px 36px rgba(197, 31, 53, 0.28);
}
.button-secondary {
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--red-800);
}
.keywords { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 28px; }
.keywords span {
  border: 1px solid #f1c8cf;
  border-radius: 999px;
  background: var(--white);
  color: var(--red-800);
  padding: 8px 12px;
  font-size: 14px;
  font-weight: 800;
}
.status-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 34px;
}
.status-strip article {
  min-height: 150px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.78);
  padding: 20px;
}
.status-strip span {
  display: block;
  color: var(--red-700);
  font-size: 13px;
  font-weight: 900;
  margin-bottom: 8px;
}
.status-strip strong {
  display: block;
  color: var(--red-900);
  font-size: 23px;
  line-height: 1.25;
}
.status-strip p {
  margin: 10px 0 0;
  color: var(--muted);
}
.panel {
  margin-top: 28px;
  padding: 38px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--white);
}
.intro {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 34px;
}
.intro h2,
.section-head h2,
.content-card h2 {
  margin: 0;
  color: var(--red-900);
  font-size: 30px;
  line-height: 1.32;
}
.intro p:last-child,
.section-head p {
  margin: 0;
  color: var(--muted);
}
.section-head { max-width: 760px; margin-bottom: 24px; }
.section-head p:last-child { margin-top: 10px; }
.cluster-grid,
.related-grid,
.intent-grid,
.guide-grid,
.content-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.content-grid { margin-top: 28px; }
.cluster-card,
.related-card,
.intent-card,
.guide-card,
.content-card {
  display: block;
  min-height: 182px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #fffafb;
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}
.cluster-card:hover,
.related-card:hover,
.intent-card:hover,
.guide-card:hover {
  transform: translateY(-3px);
  border-color: #e8a8b4;
  box-shadow: 0 14px 30px rgba(130, 20, 33, 0.12);
}
.cluster-card span,
.related-card span,
.content-card span {
  display: inline-flex;
  margin-bottom: 12px;
  border-radius: 999px;
  background: var(--red-100);
  color: var(--red-700);
  padding: 6px 10px;
  font-size: 13px;
  font-weight: 900;
}
.cluster-card strong,
.related-card strong,
.intent-card strong,
.guide-card strong {
  display: block;
  color: var(--red-900);
  font-size: 20px;
  line-height: 1.36;
}
.cluster-card p,
.related-card p,
.intent-card p,
.guide-card p,
.content-card p {
  margin: 12px 0 0;
  color: var(--muted);
}
.guide-card {
  min-height: 220px;
  background: linear-gradient(180deg, #fff 0%, #fff8f9 100%);
}
.guide-card strong {
  font-size: 22px;
}
.intent-card {
  min-height: 210px;
  background: linear-gradient(180deg, #fff 0%, #fff7f8 100%);
}
.intent-card strong {
  font-size: 22px;
}
.content-card h2 { font-size: 24px; }
.faq-list { display: grid; gap: 12px; }
details {
  border: 1px solid var(--line);
  border-radius: 15px;
  background: #fffafb;
  padding: 18px 20px;
}
summary {
  cursor: pointer;
  color: var(--red-900);
  font-weight: 900;
}
details p { margin: 12px 0 0; color: var(--muted); }
.post-list { display: grid; gap: 12px; }
.post-list a {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 16px;
  align-items: center;
  min-height: 74px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fffafb;
  padding: 16px 18px;
}
.post-list span { color: var(--red-700); font-weight: 900; }
.post-list strong { color: var(--red-900); }
.schedule-list {
  display: grid;
  gap: 12px;
}
.schedule-list article {
  display: grid;
  grid-template-columns: 124px 1fr;
  gap: 18px;
  align-items: start;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fffafb;
  padding: 18px;
}
.schedule-list time {
  color: var(--red-700);
  font-size: 14px;
  font-weight: 900;
}
.schedule-list strong {
  display: block;
  color: var(--red-900);
  font-size: 19px;
  line-height: 1.35;
}
.schedule-list p {
  margin: 8px 0 0;
  color: var(--muted);
}
.footer {
  display: flex;
  justify-content: center;
  gap: 14px;
  padding: 34px 22px 54px;
  color: var(--muted);
}
.footer strong { color: var(--red-900); }

@media (max-width: 940px) {
  .menu-button { display: inline-flex; }
  .site-header { flex-wrap: wrap; }
  .site-nav { display: none; width: 100%; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
  .site-nav.is-open { display: grid; }
  .hero,
  .intro { grid-template-columns: 1fr; }
  .hero { min-height: auto; padding: 36px; }
  .cluster-grid,
  .related-grid,
  .intent-grid,
  .guide-grid,
  .content-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .status-strip { grid-template-columns: 1fr; }
}

@media (max-width: 620px) {
  .site-header,
  main { padding-left: 16px; padding-right: 16px; }
  .hero,
  .panel { border-radius: 20px; padding: 24px; }
  h1 { font-size: 36px; }
  .lead { font-size: 17px; }
  .cluster-grid,
  .related-grid,
  .intent-grid,
  .guide-grid,
  .content-grid { grid-template-columns: 1fr; }
  .schedule-list article {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .footer { flex-direction: column; text-align: center; }
}