:root {
  color-scheme: light;
  --paper: #f6f2e7;
  --card: #fffdf7;
  --ink: #252824;
  --muted: #6d7066;
  --moss: #47624f;
  --line: rgba(37, 40, 36, 0.12);
  --vermilion: #d96c4a;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at top right, rgba(71, 98, 79, 0.11), transparent 28rem),
    var(--paper);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Noto Sans JP", "Noto Sans SC", "Segoe UI", sans-serif;
  line-height: 1.72;
}

a {
  color: var(--moss);
  font-weight: 700;
}

.wrap {
  width: min(920px, calc(100% - 32px));
  margin: 0 auto;
  padding: 48px 0 64px;
}

.hero {
  padding: 32px;
  border-radius: 28px;
  background: var(--card);
  box-shadow: 0 18px 50px rgba(71, 98, 79, 0.12);
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--moss);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 6vw, 4.2rem);
  line-height: 1.05;
  letter-spacing: -0.04em;
}

h2 {
  margin: 44px 0 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
  font-size: 1.55rem;
}

h3 {
  margin: 28px 0 8px;
  font-size: 1.1rem;
}

.lead {
  max-width: 720px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 16px;
  border-radius: 999px;
  background: var(--moss);
  color: white;
  text-decoration: none;
}

.button.secondary {
  background: rgba(71, 98, 79, 0.1);
  color: var(--moss);
}

.language-card {
  margin-top: 24px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(255, 253, 247, 0.72);
}

.language-card :first-child {
  margin-top: 0;
}

.meta {
  color: var(--muted);
  font-size: 0.95rem;
}

ul {
  padding-left: 1.25rem;
}

footer {
  margin-top: 40px;
  color: var(--muted);
  font-size: 0.9rem;
}

code {
  padding: 0.12em 0.32em;
  border-radius: 6px;
  background: rgba(37, 40, 36, 0.08);
}