:root {
  --bg: #f3eedc;
  --card: #faf5e6;
  --text: #2e2115;
  --sub: #8a5a2e;
  --primary: #b23a1e;
  --green: #3f6b4c;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Hiragino Maru Gothic ProN", "Hiragino Sans", "Yu Gothic UI",
    "Meiryo", sans-serif;
  line-height: 1.8;
}

header, main, footer {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 20px;
}

header { padding-top: 40px; padding-bottom: 8px; }

.title {
  margin: 0;
  color: var(--primary);
  font-size: 2rem;
  font-weight: bold;
  letter-spacing: 0.04em;
}

.title small {
  display: block;
  color: var(--green);
  font-size: 0.9rem;
  letter-spacing: 0;
}

.tagline { margin: 4px 0 0; color: var(--sub); }

nav { margin: 20px 0 0; display: flex; gap: 16px; flex-wrap: wrap; }
nav a { color: var(--green); font-weight: bold; }

main { padding-top: 24px; padding-bottom: 40px; }

section.card {
  background: var(--card);
  border: 2px solid var(--green);
  padding: 16px 20px;
  margin: 0 0 20px;
}

h1 { color: var(--primary); font-size: 1.5rem; margin: 8px 0 16px; }
h2 { color: var(--text); font-size: 1.05rem; margin: 28px 0 6px; }
p { margin: 0 0 12px; }

table { border-collapse: collapse; width: 100%; }
th, td {
  text-align: left;
  vertical-align: top;
  padding: 8px 12px;
  border-bottom: 1px solid #d8cfae;
}
th { width: 8em; color: var(--sub); font-weight: normal; }

.note { color: var(--sub); font-size: 0.9rem; }

footer {
  padding-top: 16px;
  padding-bottom: 40px;
  border-top: 1px solid #d8cfae;
  color: var(--sub);
  font-size: 0.85rem;
}

a { color: var(--green); }

section.card h2:first-child { margin-top: 0; }