:root {
  --ink: #293735;
  --muted: #64716f;
  --green: #2f665c;
  --green-dark: #214c44;
  --green-soft: #edf5f2;
  --cream: #fbf7ef;
  --accent: #c66d3d;
  --accent-dark: #9e4d26;
  --line: #d9e1de;
  --white: #ffffff;
  --shadow: 0 14px 36px rgba(39, 70, 64, 0.11);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  line-height: 1.85;
}
img { display: block; max-width: 100%; height: auto; }
a { color: var(--green-dark); }
.wrap { width: min(1080px, calc(100% - 36px)); margin-inline: auto; }
.skip-link { position: absolute; left: -9999px; }
.skip-link:focus { left: 12px; top: 12px; z-index: 100; padding: 8px 12px; background: var(--white); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(217, 225, 222, 0.9);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 72px; gap: 24px; }
.brand { color: var(--green-dark); font-size: 1.12rem; font-weight: 800; letter-spacing: 0.08em; text-decoration: none; }
.nav { display: flex; flex-wrap: wrap; gap: 18px; }
.nav a { color: var(--ink); font-size: 0.86rem; font-weight: 700; text-decoration: none; }
.nav a:hover, .nav a:focus-visible { color: var(--accent-dark); }

.hero { padding: 74px 0 68px; background: linear-gradient(135deg, var(--cream), var(--green-soft)); }
.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; align-items: center; gap: 54px; }
.pr-badge { display: inline-block; margin-bottom: 18px; padding: 3px 10px; border: 1px solid #9ca8a5; border-radius: 999px; color: var(--muted); background: var(--white); font-size: 0.72rem; font-weight: 700; }
.eyebrow { margin: 0 0 10px; color: var(--accent-dark); font-size: 0.77rem; font-weight: 800; letter-spacing: 0.12em; }
h1, h2, h3 { line-height: 1.45; }
h1 { margin: 0; color: var(--green-dark); font-size: clamp(2rem, 5vw, 3.65rem); letter-spacing: 0.02em; }
.hero-lead { margin: 24px 0 0; font-size: 1.05rem; }
.hero-image { overflow: hidden; border: 8px solid rgba(255,255,255,0.85); border-radius: 28px; box-shadow: var(--shadow); }
.hero-image img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.button { display: inline-flex; align-items: center; justify-content: center; margin-top: 26px; padding: 14px 24px; border-radius: 999px; color: var(--white); background: var(--accent); box-shadow: 0 4px 0 var(--accent-dark); font-weight: 800; text-decoration: none; }
.button:hover, .button:focus-visible { background: var(--accent-dark); }

.section { padding: 76px 0; }
.section-soft { background: var(--green-soft); }
.section-cream { background: var(--cream); }
.section-title { max-width: 720px; margin: 0 auto 40px; text-align: center; }
.section-title h2 { margin: 0 0 14px; color: var(--green-dark); font-size: clamp(1.55rem, 3vw, 2.25rem); }
.section-title p { margin: 0; color: var(--muted); }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.card { padding: 28px; border: 1px solid var(--line); border-radius: 18px; background: var(--white); box-shadow: 0 8px 24px rgba(39, 70, 64, 0.06); }
.card-number { display: grid; width: 42px; height: 42px; margin-bottom: 18px; place-items: center; border-radius: 50%; color: var(--white); background: var(--green); font-size: 0.82rem; font-weight: 800; }
.card h3 { margin: 0 0 10px; color: var(--green-dark); font-size: 1.12rem; }
.card p { margin: 0; color: var(--muted); }

.featured { display: grid; grid-template-columns: 0.88fr 1.12fr; overflow: hidden; border: 1px solid var(--line); border-radius: 24px; background: var(--white); box-shadow: var(--shadow); }
.featured-image img { width: 100%; height: 100%; min-height: 370px; object-fit: cover; }
.featured-copy { padding: 42px; }
.article-label { display: inline-block; margin-bottom: 14px; color: var(--accent-dark); font-size: 0.76rem; font-weight: 800; letter-spacing: 0.1em; }
.featured h2 { margin: 0 0 18px; color: var(--green-dark); font-size: clamp(1.5rem, 3vw, 2.15rem); }
.featured p { margin: 0 0 12px; }
.article-meta { color: var(--muted); font-size: 0.8rem; }

.policy-grid { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 48px; align-items: start; }
.policy-grid h2 { margin-top: 0; color: var(--green-dark); font-size: clamp(1.55rem, 3vw, 2.2rem); }
.policy-list { display: grid; gap: 14px; }
.policy-item { padding: 20px 22px; border-left: 4px solid var(--accent); border-radius: 0 12px 12px 0; background: var(--white); }
.policy-item strong { display: block; margin-bottom: 4px; color: var(--green-dark); }
.policy-item p { margin: 0; color: var(--muted); }

.topics { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.topic { padding: 22px; border: 1px solid var(--line); border-radius: 14px; background: var(--white); }
.topic h3 { margin: 0 0 8px; font-size: 1.05rem; }
.topic p { margin: 0; color: var(--muted); }

.site-footer { padding: 40px 0; color: #dce8e5; background: var(--green-dark); font-size: 0.82rem; }
.footer-inner { display: flex; justify-content: space-between; gap: 28px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 16px; }
.site-footer a { color: var(--white); }
.site-footer p { margin: 0; }

.sub-hero { padding: 56px 0 44px; background: var(--green-soft); }
.sub-hero h1 { font-size: clamp(1.8rem, 4vw, 2.7rem); }
.content { max-width: 820px; margin-inline: auto; }
.content h2 { margin: 42px 0 14px; color: var(--green-dark); font-size: 1.35rem; }
.content h3 { margin: 28px 0 10px; color: var(--green-dark); font-size: 1.08rem; }
.content p, .content li { color: #3f4e4b; }
.content table { width: 100%; margin: 24px 0; border-collapse: collapse; }
.content th, .content td { padding: 14px; border: 1px solid var(--line); text-align: left; vertical-align: top; }
.content th { width: 30%; background: var(--green-soft); }
.notice { padding: 18px 20px; border: 1px solid #e6c4ad; border-radius: 12px; background: #fff8f2; }
.review-required { color: #9a431d; font-weight: 800; }
.back-link { display: inline-block; margin-top: 26px; font-weight: 700; }

@media (max-width: 760px) {
  .header-inner { align-items: flex-start; flex-direction: column; padding: 16px 0; gap: 10px; }
  .site-header { position: static; }
  .nav { gap: 10px 16px; }
  .hero { padding: 44px 0 50px; }
  .hero-grid, .featured, .policy-grid { grid-template-columns: 1fr; gap: 28px; }
  .hero-image { order: -1; }
  .featured-image img { min-height: 240px; }
  .featured-copy { padding: 28px 24px; }
  .cards, .topics { grid-template-columns: 1fr; }
  .section { padding: 54px 0; }
  .footer-inner { flex-direction: column; }
  .content table, .content tbody, .content tr, .content th, .content td { display: block; width: 100%; }
}