:root {
  --bg: #fff8f0;
  --card: #ffffff;
  --ink: #5c5470;
  --sub: #9a8fa8;
  --pink: #ffa8c5;
  --pink-strong: #ff8fb3;
  --mint: #a8e6cf;
  --mint-ink: #2f6b52;
  --lavender: #c9b6f0;
  --shadow: 0 4px 12px rgba(92, 84, 112, 0.1);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #2a2438;
    --card: #363048;
    --ink: #f5eff7;
    --sub: #b8aecb;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  }
}
* { box-sizing: border-box; }
body {
  font-family: 'Hiragino Maru Gothic ProN', 'BIZ UDGothic', system-ui, sans-serif;
  background: var(--bg);
  color: var(--ink);
  margin: 0;
  line-height: 1.9;
}
.wrap { max-width: 760px; margin: 0 auto; padding: 24px 20px 48px; }
nav.site {
  display: flex;
  gap: 4px;
  align-items: center;
  flex-wrap: wrap;
  background: var(--card);
  border-radius: 999px;
  box-shadow: var(--shadow);
  padding: 8px 16px;
  margin-bottom: 32px;
  font-size: 13px;
}
nav.site a {
  color: var(--sub);
  text-decoration: none;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 999px;
}
nav.site a:hover, nav.site a.current { color: var(--pink-strong); background: var(--bg); }
nav.site .brand { margin-right: auto; color: var(--ink); font-size: 14px; }
h1 { font-size: 24px; margin: 8px 0 16px; }
h2 { font-size: 18px; margin: 36px 0 8px; color: var(--ink); }
h3 { font-size: 15px; margin: 24px 0 4px; }
p, li { font-size: 14px; }
.card {
  background: var(--card);
  border-radius: 24px;
  box-shadow: var(--shadow);
  padding: 24px;
  margin: 16px 0;
}
.btn {
  display: inline-block;
  background: var(--pink);
  color: #fff;
  font-weight: 700;
  text-decoration: none;
  border-radius: 999px;
  padding: 12px 28px;
}
a { color: var(--pink-strong); }
table { border-collapse: collapse; width: 100%; font-size: 13px; }
th, td { border-bottom: 1px solid var(--bg); padding: 6px 8px; text-align: left; }
th { color: var(--sub); font-weight: 700; }
.date { color: var(--sub); font-size: 12px; }
footer { text-align: center; color: var(--sub); font-size: 12px; margin-top: 48px; }
.overflow { overflow-x: auto; }