:root {
  --bg: #FFFAF0;
  --card: #FFFFFF;
  --ink: #1A1A1A;
  --muted: #6B6B6B;
  --accent: #1A3A3A;
  --border: #E7E0CF;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic", sans-serif;
  line-height: 1.85;
  -webkit-text-size-adjust: 100%;
}
.wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 32px 20px 80px;
}
header.site {
  border-bottom: 1px solid var(--border);
  margin-bottom: 28px;
  padding-bottom: 16px;
}
header.site .app { font-size: 14px; color: var(--muted); margin: 0 0 4px; }
h1 { font-size: 26px; margin: 0 0 6px; letter-spacing: .02em; }
.updated { font-size: 13px; color: var(--muted); margin: 0; }
h2 {
  font-size: 18px;
  margin: 36px 0 10px;
  padding-top: 6px;
  color: var(--accent);
}
p { margin: 10px 0; }
ol, ul { margin: 8px 0; padding-left: 1.4em; }
li { margin: 4px 0; }
a { color: var(--accent); }
.lead { color: var(--muted); }
.card-links { display: grid; gap: 14px; margin: 28px 0; }
.card-links a {
  display: block;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px 20px;
  text-decoration: none;
  color: var(--ink);
  transition: transform .08s ease;
}
.card-links a:hover { transform: translateY(-1px); }
.card-links .t { font-size: 17px; font-weight: 600; }
.card-links .d { font-size: 13px; color: var(--muted); margin-top: 2px; }
footer.site {
  margin-top: 56px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
  font-size: 12px;
  color: var(--muted);
}
.back { display: inline-block; margin-top: 28px; font-size: 14px; }
.note { background: #FFF7E0; border: 1px solid #EADFB0; border-radius: 10px; padding: 12px 14px; font-size: 13px; color: #5C5326; }