:root {
  --bg: #f6f8fb;
  --surface: #ffffff;
  --surface-soft: #f8fbff;
  --text: #1f2933;
  --muted: #5f6c7b;
  --line: #e3e8ef;
  --primary: #2f6fb7;
  --primary-dark: #1f568f;
  --accent: #e7f1fb;
  --danger: #b3261e;
  --shadow: 0 6px 24px rgba(15, 23, 42, 0.06);
  --radius: 16px;
  --max: 1080px;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic",
    "Meiryo", sans-serif;
  font-size: 17px;
  line-height: 1.9;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--primary-dark);
  text-decoration: none;
  word-break: break-word;
}

a:hover {
  text-decoration: underline;
}

.container {
  width: min(100% - 24px, var(--max));
  margin: 0 auto;
}

.page {
  padding: 18px 0 40px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
  margin-bottom: 16px;
}

.hero {
  overflow: hidden;
  padding: 0;
}

.hero {
  overflow: hidden;
  padding: 0;
}

.hero__image {
  background: #fff;
}

.hero__image img {
  width: 100%;
  height: auto;
  object-fit: contain;
}

.hero__body {
  padding: 22px 20px 24px;
}

.hero__eyebrow {
  display: inline-block;
  background: var(--accent);
  color: var(--primary-dark);
  font-weight: 700;
  font-size: 0.92rem;
  line-height: 1.4;
  padding: 6px 10px;
  border-radius: 999px;
  margin-bottom: 12px;
}

.hero h1 {
  margin: 0 0 10px;
  color: #14314f;
  font-size: clamp(1.45rem, 2.6vw, 2.2rem);
  line-height: 1.45;
}

.hero p {
  margin: 0;
  color: var(--muted);
}

.section-title {
  margin: 0 0 14px;
  padding-left: 12px;
  border-left: 5px solid var(--primary);
  color: #14314f;
  font-size: 1.3rem;
  line-height: 1.5;
}

.lead {
  font-size: 1.04rem;
  color: var(--text);
}

.muted {
  color: var(--muted);
}

.notice {
  background: #fff7f3;
  border: 1px solid #f1d7ca;
}

.notice strong {
  color: var(--danger);
}

.grid {
  display: grid;
  gap: 16px;
}

.grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.kpi,
.info-box,
.link-box,
.category-box {
  background: var(--surface-soft);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px;
}

.kpi h3,
.info-box h3,
.link-box h3,
.category-box h3 {
  margin: 0 0 8px;
  color: #17324d;
  font-size: 1.05rem;
  line-height: 1.5;
}

.kpi p,
.info-box p,
.link-box p,
.category-box p {
  margin: 0;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 10px 16px;
  border-radius: 999px;
  font-weight: 700;
  border: 1px solid var(--primary);
  background: var(--primary);
  color: #fff;
  text-decoration: none;
}

.button:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  text-decoration: none;
}

.button--sub {
  background: #fff;
  color: var(--primary-dark);
}

.list-clean {
  margin: 0;
  padding-left: 1.2em;
}

.list-clean li + li {
  margin-top: 0.4em;
}

.category-list {
  margin: 0;
  padding-left: 1.2em;
}

.category-list li + li {
  margin-top: 0.35em;
}

.meta-list {
  display: grid;
  gap: 10px;
  margin: 0;
}

.meta-item {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.meta-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.meta-label {
  font-weight: 700;
  color: #17324d;
}

.gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.gallery img {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #fff;
}

.thumb-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
  align-items: start;
}

.thumb-grid img {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #fff;
  object-fit: cover;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.site-header__inner {
  width: min(100% - 24px, var(--max));
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  min-height: 64px;
}

.site-brand {
  min-width: 0;
}

.site-brand__title {
  display: block;
  color: #14314f;
  font-weight: 800;
  font-size: 1rem;
  line-height: 1.35;
}

.site-brand__sub {
  display: block;
  color: var(--muted);
  font-size: 0.83rem;
  line-height: 1.35;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.site-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 8px 12px;
  border-radius: 999px;
  color: #17324d;
  font-weight: 700;
}

.site-nav a.is-current,
.site-nav a:hover {
  background: var(--accent);
  text-decoration: none;
}

.site-footer {
  margin-top: 24px;
  border-top: 1px solid var(--line);
  background: #fff;
}

.site-footer__inner {
  width: min(100% - 24px, var(--max));
  margin: 0 auto;
  padding: 24px 0 32px;
}

.site-footer__grid {
  display: grid;
  gap: 16px;
  grid-template-columns: 1.3fr 1fr 1fr;
}

.site-footer h2,
.site-footer h3 {
  margin: 0 0 8px;
  color: #17324d;
  font-size: 1rem;
}

.site-footer p,
.site-footer li {
  margin: 0;
  color: var(--muted);
  font-size: 0.96rem;
}

.site-footer ul {
  margin: 0;
  padding-left: 1.2em;
}

.site-footer .copyright {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 0.9rem;
  color: var(--muted);
}

@media (max-width: 900px) {
  .grid-3 {
    grid-template-columns: 1fr;
  }

  .site-footer__grid {
    grid-template-columns: 1fr;
  }

  .thumb-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  body {
    font-size: 16px;
    line-height: 1.85;
  }

  .grid-2,
  .gallery {
    grid-template-columns: 1fr;
  }

  .meta-item {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .site-header__inner {
    align-items: flex-start;
    flex-direction: column;
    padding: 10px 0 12px;
  }

  .site-nav {
    width: 100%;
  }

  .site-nav a {
    flex: 1 1 calc(50% - 8px);
    justify-content: center;
  }

  .hero__body {
    padding: 18px 16px 20px;
  }

  .card {
    padding: 16px;
  }

  .thumb-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}