:root {
  color-scheme: light;
  --ink: #151515;
  --muted: #646464;
  --line: #deded8;
  --paper: #f6f5ef;
  --surface: #ffffff;
  --accent: #f04b23;
  --accent-dark: #c83413;
  --max: 1120px;
  --narrow: 760px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family:
    Pretendard, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.7;
  word-break: keep-all;
}

a {
  color: inherit;
  text-underline-offset: 0.2em;
}

.skip-link {
  position: fixed;
  top: -80px;
  left: 16px;
  z-index: 100;
  padding: 10px 14px;
  background: var(--ink);
  color: white;
}

.skip-link:focus {
  top: 16px;
}

.shell {
  width: min(calc(100% - 40px), var(--max));
  margin: 0 auto;
}

.shell.narrow,
.article,
.legal {
  max-width: var(--narrow);
}

.site-header {
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--paper) 92%, transparent);
}

.header-inner {
  display: flex;
  min-height: 72px;
  align-items: center;
  justify-content: space-between;
}

.brand {
  font-size: 1.12rem;
  font-weight: 900;
  letter-spacing: -0.04em;
  text-decoration: none;
}

.header-inner nav,
.footer-inner nav {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.header-inner nav a,
.footer-inner nav a {
  color: var(--muted);
  font-size: 0.93rem;
  text-decoration: none;
}

.header-inner nav a:hover,
.footer-inner nav a:hover {
  color: var(--ink);
}

.hero {
  padding: 108px 0 96px;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at 85% 15%, rgba(240, 75, 35, 0.16), transparent 28rem),
    var(--paper);
}

.eyebrow {
  display: block;
  margin-bottom: 18px;
  color: var(--accent-dark);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.hero h1,
.page-head h1 {
  margin: 0;
  font-size: clamp(2.9rem, 9vw, 6.2rem);
  line-height: 0.98;
  letter-spacing: -0.065em;
}

.hero p {
  max-width: 620px;
  margin: 32px 0;
  color: var(--muted);
  font-size: 1.08rem;
}

.primary-link {
  display: inline-flex;
  gap: 18px;
  align-items: center;
  padding: 14px 20px;
  border-radius: 999px;
  background: var(--ink);
  color: white;
  font-weight: 700;
  text-decoration: none;
}

.primary-link:hover {
  background: var(--accent-dark);
}

.section {
  padding-top: 76px;
  padding-bottom: 96px;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 28px;
}

.section-heading .eyebrow {
  margin-bottom: 8px;
}

.section-heading h2 {
  margin: 0;
  font-size: 2rem;
  letter-spacing: -0.04em;
}

.section-heading > a {
  color: var(--muted);
  font-size: 0.9rem;
}

.notice-list {
  border-top: 2px solid var(--ink);
}

.notice-card {
  padding: 28px 0 30px;
  border-bottom: 1px solid var(--line);
}

.notice-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  color: var(--muted);
  font-size: 0.82rem;
}

.badge,
.pinned {
  display: inline-flex;
  padding: 3px 9px;
  border-radius: 999px;
  background: #e7e5dc;
  color: #49483f;
  font-size: 0.75rem;
  font-weight: 700;
}

.pinned {
  background: #ffe1d8;
  color: var(--accent-dark);
}

.notice-card h2 {
  margin: 12px 0 7px;
  font-size: clamp(1.2rem, 4vw, 1.5rem);
  line-height: 1.35;
  letter-spacing: -0.025em;
}

.notice-card h2 a {
  text-decoration: none;
}

.notice-card h2 a:hover {
  color: var(--accent-dark);
}

.notice-card p,
.empty-state p {
  margin: 0;
  color: var(--muted);
}

.empty-state {
  padding: 42px 0;
  border-bottom: 1px solid var(--line);
}

.empty-state h2 {
  margin: 0 0 6px;
  font-size: 1.2rem;
}

.page-head {
  padding: 76px 0 54px;
  border-bottom: 1px solid var(--line);
}

.page-head h1 {
  font-size: clamp(2.8rem, 8vw, 5rem);
}

.page-head p {
  max-width: 620px;
  margin: 24px 0 0;
  color: var(--muted);
}

.page-head .primary-link {
  margin-top: 28px;
}

.article,
.legal {
  padding-top: 72px;
  padding-bottom: 108px;
}

.back-link {
  color: var(--muted);
  font-size: 0.9rem;
}

.article header {
  margin-top: 36px;
  padding-bottom: 32px;
  border-bottom: 2px solid var(--ink);
}

.article h1 {
  margin: 16px 0;
  font-size: clamp(2rem, 6vw, 3.2rem);
  line-height: 1.16;
  letter-spacing: -0.045em;
}

.article-date {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.article-body {
  padding-top: 34px;
}

.article-body h2,
.legal h2 {
  margin: 52px 0 14px;
  font-size: 1.45rem;
  line-height: 1.35;
  letter-spacing: -0.03em;
}

.article-body h3,
.legal h3 {
  margin: 36px 0 10px;
  font-size: 1.12rem;
}

.article-body p,
.article-body li,
.legal p,
.legal li {
  color: #393936;
}

.article-body ul,
.article-body ol,
.legal ul,
.legal ol {
  padding-left: 1.5rem;
}

.contact-card {
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface);
}

.contact-card h2 {
  margin: 0 0 8px;
  font-size: 1.05rem;
}

.contact-card > a {
  color: var(--accent-dark);
  font-size: 1.4rem;
  font-weight: 750;
}

.contact-card p {
  margin: 16px 0 0;
  color: var(--muted);
}

.legal > div > header {
  padding-bottom: 28px;
  border-bottom: 2px solid var(--ink);
}

.legal h1 {
  margin: 0 0 18px;
  font-size: clamp(2rem, 6vw, 3rem);
  line-height: 1.18;
  letter-spacing: -0.045em;
}

.legal nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
}

.legal nav a {
  color: var(--muted);
  font-size: 0.82rem;
}

.site-footer {
  padding: 48px 0;
  border-top: 1px solid var(--line);
  background: #edebe3;
}

.footer-inner {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 32px;
}

.footer-inner p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.88rem;
}

@media (max-width: 640px) {
  .shell {
    width: min(calc(100% - 32px), var(--max));
  }

  .hero {
    padding: 80px 0 72px;
  }

  .section {
    padding-top: 56px;
    padding-bottom: 72px;
  }

  .section-heading,
  .footer-inner {
    align-items: start;
    flex-direction: column;
  }

  .page-head {
    padding: 58px 0 44px;
  }

  .article,
  .legal {
    padding-top: 52px;
    padding-bottom: 76px;
  }

  .contact-card {
    padding: 24px;
  }

  .contact-card > a {
    font-size: 1.05rem;
  }
}