:root {
  --bg: #f4f1ea;
  --panel: #fffdf8;
  --text: #1f1a14;
  --muted: #695b4d;
  --line: #d8ccb9;
  --accent: #8f2d18;
  --accent-soft: #f2e4d6;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background:
    radial-gradient(circle at top left, #efe1cf 0, transparent 30%),
    linear-gradient(180deg, #f8f3eb 0%, var(--bg) 100%);
  color: var(--text);
  font-family: "Hiragino Mincho ProN", "Yu Mincho", serif;
  line-height: 1.7;
}
.container {
  width: min(1080px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0 64px;
}
.hero, .card, .digest-list, article {
  background: color-mix(in srgb, var(--panel) 92%, white 8%);
  border: 1px solid var(--line);
  border-radius: 20px;
  box-shadow: 0 12px 30px rgba(87, 58, 24, 0.08);
}
.hero {
  padding: 28px;
  margin-bottom: 28px;
}
.hero h1 {
  margin: 0 0 12px;
  font-size: clamp(2rem, 4vw, 3.5rem);
  line-height: 1.05;
}
.eyebrow, .meta {
  color: var(--muted);
  font-size: 0.92rem;
}
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
}
.card {
  padding: 22px;
}
.collection-badge {
  display: inline-block;
  margin: 0 0 8px;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 700;
}
.card h2 {
  margin: 8px 0 8px;
  font-size: 1.35rem;
  line-height: 1.3;
}
.digest-list {
  margin-top: 28px;
  padding: 22px;
}
a {
  color: var(--accent);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}
.link, .back-link {
  font-weight: 700;
}
img { max-width: 100%; }
pre, code {
  font-family: "SFMono-Regular", Menlo, Consolas, monospace;
}
pre {
  overflow-x: auto;
  padding: 14px;
  background: #201b17;
  color: #f7f2ea;
  border-radius: 14px;
}
blockquote {
  margin: 1.2rem 0;
  padding-left: 16px;
  border-left: 4px solid var(--line);
  color: var(--muted);
}
@media (max-width: 640px) {
  .container {
    width: min(100% - 20px, 1080px);
    padding-top: 20px;
  }
}