:root {
  --ink: #0a0a0b;
  --ink-2: #55555c;
  --quiet: #8b8b93;
  --line: #ececf1;
  --brand: #4a8cff;
  --brand-2: #a259f7;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", "Malgun Gothic", Helvetica, sans-serif;
  color: var(--ink);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

header {
  text-align: center;
  padding: 72px 24px 64px;
  background: linear-gradient(150deg, #36e7c8 0%, #4a8cff 48%, #a259f7 100%);
  color: #fff;
}

.icon {
  border-radius: 22px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.18);
}

header h1 {
  font-size: 2.25rem;
  line-height: 1.25;
  letter-spacing: -0.03em;
  margin: 24px 0 12px;
}

.lede {
  margin: 0 auto 28px;
  max-width: 30rem;
  color: rgba(255, 255, 255, 0.9);
}

.cta {
  display: inline-block;
  background: #fff;
  color: var(--ink);
  font-weight: 700;
  text-decoration: none;
  padding: 14px 28px;
  border-radius: 999px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.14);
}

.cta:hover { transform: translateY(-1px); }

.note {
  margin-top: 14px;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.78);
}

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 8px 24px 24px;
}

section {
  padding: 40px 0;
  border-bottom: 1px solid var(--line);
}

section:last-child { border-bottom: none; }

h2 {
  font-size: 1.35rem;
  letter-spacing: -0.02em;
  margin: 0 0 12px;
}

p { margin: 0 0 12px; color: var(--ink-2); }

table {
  border-collapse: collapse;
  width: 100%;
  margin-top: 16px;
  font-size: 0.92rem;
}

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

th { background: #f7f7fa; color: var(--ink); }
td { color: var(--ink-2); }

.quiet { color: var(--quiet); font-size: 0.88rem; }

footer {
  max-width: 720px;
  margin: 0 auto;
  padding: 32px 24px 56px;
  border-top: 1px solid var(--line);
  text-align: center;
}

footer a { color: var(--brand); text-decoration: none; }
footer a:hover { text-decoration: underline; }

@media (max-width: 520px) {
  header { padding: 56px 20px 48px; }
  header h1 { font-size: 1.8rem; }
}