:root {
  --ink: #0d0a1a;
  --ink-soft: #1a1430;
  --card: #221c38;
  --accent: #ff5491;
  --accent-alt: #9470ff;
  --mint: #61edc2;
  --text: #f5f2fc;
  --text-sub: #a8a3c7;
  --line: rgba(255, 255, 255, 0.09);
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--ink);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Noto Sans JP",
               "Yu Gothic", sans-serif;
  line-height: 1.85;
  font-size: 16px;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(60% 45% at 12% 0%, rgba(148, 112, 255, 0.30), transparent 70%),
    radial-gradient(55% 40% at 95% 100%, rgba(255, 84, 145, 0.22), transparent 70%);
}

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 22px 80px;
}

header.site {
  padding: 56px 0 36px;
  text-align: center;
}

.eyebrow {
  font-size: 12px;
  letter-spacing: 0.34em;
  color: var(--text-sub);
  margin: 0 0 10px;
  font-weight: 700;
}

h1 {
  margin: 0;
  font-size: 40px;
  font-weight: 900;
  letter-spacing: 0.02em;
  background: linear-gradient(120deg, var(--accent), var(--accent-alt));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.tagline {
  color: var(--text-sub);
  margin: 12px 0 0;
  font-size: 15px;
}

nav.tabs {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 26px;
}

nav.tabs a {
  color: var(--text-sub);
  text-decoration: none;
  font-size: 13px;
  font-weight: 700;
  padding: 8px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(34, 28, 56, 0.7);
}

nav.tabs a[aria-current="page"] {
  color: var(--text);
  border-color: rgba(255, 84, 145, 0.5);
}

h2 {
  font-size: 21px;
  font-weight: 800;
  margin: 46px 0 14px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}

h2:first-of-type { border-top: none; padding-top: 0; }

h3 {
  font-size: 16px;
  font-weight: 800;
  margin: 28px 0 6px;
  color: var(--text);
}

p, li { color: rgba(245, 242, 252, 0.88); }

.sub { color: var(--text-sub); font-size: 14px; }

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

.card {
  background: rgba(34, 28, 56, 0.8);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 20px 22px;
  margin: 18px 0;
}

.card h3 { margin-top: 0; }
.card :last-child { margin-bottom: 0; }

.card.mint { border-color: rgba(97, 237, 194, 0.3); }

ol.steps { padding-left: 1.3em; }
ol.steps li { margin-bottom: 8px; }

dl.faq dt {
  font-weight: 800;
  margin-top: 26px;
  font-size: 16px;
}

dl.faq dd {
  margin: 6px 0 0;
  color: rgba(245, 242, 252, 0.82);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  margin: 14px 0;
}

th, td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

th { color: var(--text-sub); font-weight: 700; white-space: nowrap; }

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.9em;
  background: rgba(255, 255, 255, 0.07);
  padding: 2px 6px;
  border-radius: 6px;
}

footer.site {
  margin-top: 64px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
  text-align: center;
  color: var(--text-sub);
  font-size: 13px;
}

footer.site a { color: var(--text-sub); }

@media (max-width: 520px) {
  h1 { font-size: 32px; }
  .wrap { padding: 0 18px 60px; }
}