:root {
  --bg: #f6f1e6;
  --ink: #1c2438;
  --muted: #5c6578;
  --card: #fffcf6;
  --line: #e4dccb;
  --primary: #1e4f8a;
  --primary-fg: #f7f3ea;
  --navy: #1a2744;
  --warn: #efe0b8;
  --warn-ink: #5c4316;
  --danger: #9b2c2c;
  --radius: 14px;
  --max: 1120px;
  --serif: "Noto Serif JP", "Hiragino Mincho ProN", serif;
  --sans: "Noto Sans JP", "Hiragino Sans", "Yu Gothic", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
}
img { max-width: 100%; display: block; }
a { color: var(--primary); }
h1, h2, h3 { font-family: var(--serif); font-weight: 600; line-height: 1.2; }
.skip {
  position: absolute;
  left: -999px;
  top: 0;
}
.skip:focus {
  left: 16px;
  top: 16px;
  z-index: 50;
  background: var(--primary);
  color: #fff;
  padding: 8px 12px;
  border-radius: 8px;
}

.disclaimer {
  background: var(--warn);
  color: var(--warn-ink);
  border-bottom: 1px solid #e0c98a;
}
.disclaimer p {
  max-width: var(--max);
  margin: 0 auto;
  padding: 12px 20px;
  font-size: 14.5px;
  line-height: 1.55;
}

.header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(246, 241, 230, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner, .wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 20px;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.brand {
  display: flex;
  gap: 10px;
  align-items: center;
  text-decoration: none;
  color: var(--ink);
}
.mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--primary);
  display: grid;
  place-items: center;
}
.brand strong { display: block; font-family: var(--serif); font-size: 16px; }
.brand small {
  display: block;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.nav { display: flex; gap: 4px; }
.nav a {
  text-decoration: none;
  color: var(--muted);
  padding: 8px 12px;
  border-radius: 10px;
  font-size: 14px;
}
.nav a:hover, .nav a.is-active {
  background: #e4edf7;
  color: var(--primary);
}
.menu-btn {
  display: none;
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: 10px;
  width: 40px;
  height: 40px;
  font-size: 20px;
}
main { flex: 1; }

.hero {
  position: relative;
  min-height: 440px;
  display: flex;
  align-items: flex-end;
  color: #fff;
}
.hero img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-shade {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(20, 28, 46, 0.92), rgba(20, 28, 46, 0.35), rgba(20, 28, 46, 0.12));
}
.hero-copy {
  position: relative;
  max-width: var(--max);
  margin: 0 auto;
  padding: 48px 20px;
  width: 100%;
}
.badge {
  display: inline-block;
  background: rgba(255,255,255,0.92);
  color: var(--ink);
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 999px;
}
.hero h1 {
  max-width: 18ch;
  font-size: clamp(32px, 5vw, 48px);
  margin: 16px 0 12px;
}
.hero p { max-width: 42em; color: rgba(255,255,255,0.88); margin: 0; }

.page { padding: 48px 0 72px; }
.narrow { max-width: 760px; }
.kicker {
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--primary);
  margin: 0 0 8px;
}
.lead { color: var(--muted); margin-top: 0; }
.toc { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 28px; }
.toc a {
  text-decoration: none;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--muted);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 14px;
}
.article p, .prose p { margin: 1em 0; }
.section { padding-top: 48px; scroll-margin-top: 88px; }
.section h2 { font-size: 30px; margin: 0 0 8px; }
figure {
  margin: 28px 0 0;
  background: var(--card);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 0 0 1px rgba(28, 36, 56, 0.08);
}
figure img { width: 100%; height: auto; aspect-ratio: 16/9; object-fit: cover; }
figure.portrait img { aspect-ratio: 4/3; }
figcaption { padding: 12px 16px; font-size: 14px; color: var(--muted); }

.table-wrap { overflow-x: auto; margin-top: 24px; border-radius: var(--radius); box-shadow: 0 0 0 1px rgba(28,36,56,0.08); }
table { width: 100%; min-width: 820px; border-collapse: collapse; background: var(--card); font-size: 14px; }
th { text-align: left; background: #efe8d8; padding: 12px 16px; }
td { padding: 14px 16px; border-top: 1px solid var(--line); vertical-align: top; }
.cards { display: none; }
.grid { display: grid; gap: 16px; grid-template-columns: 1fr 1fr; margin-top: 20px; }
.card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: 0 0 0 1px rgba(28,36,56,0.08);
}
.card h3 { margin: 0 0 6px; font-size: 18px; }
.muted { color: var(--muted); font-size: 14px; }

.cta {
  margin-top: 56px;
  background: var(--navy);
  color: #f4efe4;
  border-radius: 18px;
  padding: 36px 32px;
}
.cta p { color: rgba(255,255,255,0.75); max-width: 42em; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 10px;
  border: 0;
  background: var(--primary);
  color: #fff;
  text-decoration: none;
  font: inherit;
  font-size: 15px;
  cursor: pointer;
}
.btn.light { background: #fff; color: var(--navy); }
.btn:disabled { opacity: 0.6; cursor: not-allowed; }

.panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 22px;
}
.form { display: grid; gap: 16px; }
.row { display: grid; gap: 16px; grid-template-columns: 1fr 1fr; }
label { display: grid; gap: 6px; font-size: 14px; font-weight: 600; }
input, select, textarea {
  font: inherit;
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: transparent;
  padding: 10px 12px;
}
textarea { min-height: 140px; resize: vertical; }
.check { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; font-size: 14px; }
.check input { width: auto; margin-top: 4px; }
.alert {
  background: #fde8e8;
  color: var(--danger);
  border-radius: 12px;
  padding: 10px 12px;
  font-size: 14px;
}
.ok { background: #e8f1ea; border: 1px solid #c6dccb; padding: 24px; border-radius: 18px; }
.contacts li { list-style: none; margin: 0 0 10px; }
.contacts { padding: 0; margin: 12px 0 0; }
.layout { display: grid; gap: 28px; grid-template-columns: 1fr 280px; }

.footer {
  background: var(--navy);
  color: #efe7d6;
  margin-top: auto;
}
.footer-grid {
  max-width: var(--max);
  margin: 0 auto;
  padding: 40px 20px;
  display: grid;
  gap: 32px;
  grid-template-columns: 1.4fr 1fr 1.2fr;
}
.footer a { color: rgba(255,255,255,0.82); text-decoration: none; }
.footer ul { list-style: none; padding: 0; margin: 8px 0 0; }
.footer li { margin: 6px 0; }
.foot-copy {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 14px 20px;
  max-width: var(--max);
  margin: 0 auto;
  font-size: 12px;
  color: rgba(255,255,255,0.5);
}

@media (max-width: 860px) {
  .menu-btn { display: grid; place-items: center; }
  .nav {
    display: none;
    position: absolute;
    left: 0; right: 0; top: 64px;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    padding: 8px 12px 12px;
  }
  .nav.open { display: flex; }
  .row, .layout, .grid, .footer-grid { grid-template-columns: 1fr; }
  .table-wrap { display: none; }
  .cards { display: grid; gap: 12px; margin-top: 16px; }
  .hero { min-height: 380px; }
}