:root {
  --primary: #1a2035;
  --secondary: #4fc3f7;
  --surface: #232b43;
  --surface-2: #2a3450;
  --text: #f5f8ff;
  --muted: #b5bfd2;
  --line: rgba(255,255,255,.11);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 85% 5%, rgba(79,195,247,.12), transparent 32rem),
    var(--primary);
  color: var(--text);
  font-family: "Pretendard", "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  line-height: 1.75;
}

a { color: var(--secondary); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  min-height: 64px;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  background: rgba(26,32,53,.9);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.home-link {
  color: var(--text);
  text-decoration: none;
  font-weight: 800;
}

.header-nav {
  display: flex;
  gap: 15px;
  font-size: 13px;
}

.header-nav a {
  color: var(--muted);
  text-decoration: none;
}

.header-nav a:hover { color: var(--secondary); }

main {
  width: min(920px, calc(100% - 36px));
  margin: 0 auto;
  padding: 64px 0 90px;
}

.page-label {
  color: var(--secondary);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .12em;
}

h1 {
  margin: 8px 0 12px;
  font-size: clamp(34px, 6vw, 54px);
  line-height: 1.18;
  letter-spacing: -.04em;
}

.lead {
  max-width: 720px;
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 17px;
}

.meta {
  margin-bottom: 34px;
  color: rgba(255,255,255,.46);
  font-size: 13px;
}

.notice {
  margin: 24px 0;
  padding: 18px 20px;
  border: 1px solid rgba(79,195,247,.28);
  border-radius: 16px;
  background: rgba(79,195,247,.07);
  color: #dcefff;
}

section {
  margin: 18px 0;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(35,43,67,.76);
}

h2 {
  margin: 0 0 12px;
  font-size: 20px;
  letter-spacing: -.02em;
}

h3 {
  margin: 22px 0 8px;
  font-size: 16px;
}

p { margin: 8px 0; }

ul {
  margin: 8px 0;
  padding-left: 22px;
}

li + li { margin-top: 7px; }

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 12px;
}

table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: 14px;
}

th, td {
  padding: 13px 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  background: rgba(255,255,255,.045);
  color: var(--secondary);
}

tr:last-child td { border-bottom: 0; }

.action-list {
  display: grid;
  gap: 12px;
}

.action-card {
  display: block;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 14px;
  color: var(--text);
  text-decoration: none;
  background: rgba(255,255,255,.035);
}

.action-card:hover {
  border-color: rgba(79,195,247,.5);
  background: rgba(79,195,247,.08);
}

.action-card strong { display: block; }
.action-card span { color: var(--muted); font-size: 13px; }

footer {
  padding: 28px 18px;
  border-top: 1px solid var(--line);
  color: rgba(255,255,255,.45);
  text-align: center;
  font-size: 12px;
}

@media (max-width: 620px) {
  .site-header { padding: 0 16px; }
  .header-nav { gap: 10px; font-size: 12px; }
  main { width: min(100% - 24px, 920px); padding-top: 40px; }
  section { padding: 19px; }
}

.brand { color: var(--text); text-decoration: none; font-weight: 800; }
.nav { display: flex; gap: 15px; font-size: 13px; }
.nav a { color: var(--muted); text-decoration: none; }
.nav a:hover { color: var(--secondary); }
.support-links { display: grid; gap: 12px; }
.support-link { display: block; padding: 18px; border: 1px solid var(--line); border-radius: 14px; color: var(--text); text-decoration: none; background: rgba(255,255,255,.035); }
.support-link:hover { border-color: rgba(79,195,247,.5); background: rgba(79,195,247,.08); }
.support-link strong { display: block; }
.support-link span { color: var(--muted); font-size: 13px; }
.eyebrow { color: var(--secondary); font-size: 12px; font-weight: 800; letter-spacing: .12em; }