:root {
  color-scheme: light;
  --bg: #f8f3e8;
  --paper: #fffaf0;
  --ink: #1f1b16;
  --muted: #625748;
  --line: #d8c6a8;
  --accent: #8e2d22;
  --accent-dark: #632017;
}

* {
  box-sizing: border-box;
}

html {
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", "YuGothic", "Noto Sans JP", sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.75;
}

body {
  margin: 0;
}

a {
  color: var(--accent-dark);
}

.site-header {
  background: #231b15;
  color: #fff4d7;
  border-bottom: 4px solid var(--accent);
}

.site-header-inner,
.page,
.site-footer-inner {
  width: min(960px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header-inner {
  padding: 22px 0 20px;
}

.brand {
  margin: 0;
  font-size: clamp(28px, 5vw, 46px);
  line-height: 1.12;
  letter-spacing: 0;
}

.tagline {
  margin: 8px 0 0;
  color: #e0c795;
  font-size: 15px;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
  margin-top: 18px;
}

.nav a {
  color: #fff4d7;
  text-decoration: none;
  border: 1px solid rgba(255, 244, 215, 0.35);
  border-radius: 6px;
  padding: 7px 11px;
  font-size: 14px;
}

.page {
  padding: 34px 0 54px;
}

.panel {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: clamp(20px, 4vw, 34px);
  box-shadow: 0 8px 22px rgba(55, 39, 21, 0.08);
}

h1,
h2,
h3 {
  line-height: 1.35;
  letter-spacing: 0;
}

h1 {
  margin: 0 0 18px;
  font-size: clamp(28px, 4.5vw, 40px);
}

h2 {
  margin: 34px 0 12px;
  padding-bottom: 7px;
  border-bottom: 1px solid var(--line);
  font-size: clamp(21px, 3.2vw, 27px);
}

h3 {
  margin: 22px 0 8px;
  font-size: 19px;
}

p,
ul,
ol,
table {
  margin: 12px 0;
}

ul,
ol {
  padding-left: 1.35em;
}

.lead {
  font-size: 18px;
  color: var(--muted);
}

.notice {
  border-left: 5px solid var(--accent);
  background: #f5e6d1;
  padding: 12px 14px;
  color: #35291d;
}

.link-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
  margin-top: 22px;
}

.link-card {
  display: block;
  min-height: 94px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fffdf7;
  text-decoration: none;
}

.link-card strong {
  display: block;
  color: var(--ink);
  font-size: 18px;
}

.link-card span {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-size: 14px;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: #fffdf7;
}

th,
td {
  border: 1px solid var(--line);
  padding: 10px 12px;
  vertical-align: top;
  text-align: left;
}

th {
  width: 28%;
  background: #f1e1c9;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: #efe2cf;
  color: var(--muted);
}

.site-footer-inner {
  padding: 22px 0;
  font-size: 13px;
}

@media (max-width: 640px) {
  .nav a {
    flex: 1 1 calc(50% - 10px);
    text-align: center;
  }

  th,
  td {
    display: block;
    width: 100%;
  }
}