:root {
  --ink: #1c1a17;
  --muted: #6b645c;
  --line: #e7e1d8;
  --bg: #faf7f2;
  --card: #ffffff;
  --accent: #8a6d3b;
  --accent-deep: #5f4a26;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN",
    "Noto Sans JP", "Yu Gothic", Meiryo, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.85;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent-deep); }
.wrap { max-width: 760px; margin: 0 auto; padding: 0 20px; }

header.site {
  border-bottom: 1px solid var(--line);
  background: rgba(250, 247, 242, 0.9);
  backdrop-filter: saturate(140%) blur(6px);
  position: sticky; top: 0; z-index: 10;
}
header.site .wrap {
  display: flex; align-items: center; justify-content: space-between;
  height: 60px;
}
.brand { font-weight: 700; letter-spacing: .04em; text-decoration: none; color: var(--ink); }
.brand small { display: block; font-weight: 400; font-size: 11px; color: var(--muted); letter-spacing: .12em; }
nav.site a {
  text-decoration: none; color: var(--muted); font-size: 13px; margin-left: 18px;
}
nav.site a:hover { color: var(--ink); }

.hero {
  padding: 64px 0 40px;
  border-bottom: 1px solid var(--line);
}
.hero h1 { font-size: 26px; margin: 0 0 8px; letter-spacing: .02em; }
.hero p { color: var(--muted); margin: 0; }

main { padding: 40px 0 72px; }
h2 {
  font-size: 18px; margin: 40px 0 14px; padding-bottom: 8px;
  border-bottom: 2px solid var(--accent);
  display: inline-block;
}
section:first-of-type h2 { margin-top: 8px; }

table.info {
  width: 100%; border-collapse: collapse; background: var(--card);
  border: 1px solid var(--line); border-radius: 10px; overflow: hidden;
  font-size: 15px;
}
table.info th, table.info td {
  text-align: left; vertical-align: top; padding: 14px 16px;
  border-bottom: 1px solid var(--line);
}
table.info th {
  width: 38%; background: #f4efe7; font-weight: 600; color: var(--accent-deep);
  white-space: nowrap;
}
table.info tr:last-child th, table.info tr:last-child td { border-bottom: none; }

.note { color: var(--muted); font-size: 13px; margin-top: 10px; }

footer.site {
  border-top: 1px solid var(--line); padding: 28px 0 48px; color: var(--muted);
  font-size: 13px;
}
footer.site a { color: var(--muted); margin-right: 16px; text-decoration: none; }
footer.site a:hover { color: var(--ink); }
footer.site .copy { margin-top: 14px; font-size: 12px; }

@media (max-width: 560px) {
  table.info th { width: 42%; padding: 12px; }
  table.info td { padding: 12px; }
  .hero { padding: 44px 0 30px; }
  .hero h1 { font-size: 22px; }
}