:root {
  --paper: #f8f7f3;
  --surface: #ffffff;
  --ink: #15251f;
  --muted: #5f6d67;
  --line: #d9dfda;
  --brand: #116149;
  --brand-dark: #0b4535;
  --wash: #edf3ef;
  --warning: #fff8e8;
  --measure: 740px;
  --site-width: 1160px;
  --radius: 6px;
  --font-sans: system-ui, -apple-system, "Segoe UI", "Hiragino Sans", "Noto Sans JP", "Yu Gothic", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.85;
  letter-spacing: .01em;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--brand-dark); text-underline-offset: .18em; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible { outline: 3px solid #df9c39; outline-offset: 3px; }

.site-header { background: var(--paper); border-bottom: 1px solid var(--line); }
.header-inner, .main-inner, .footer-inner { width: min(var(--site-width), calc(100% - 40px)); margin-inline: auto; }
.header-top { display: flex; align-items: center; justify-content: space-between; gap: 32px; min-height: 70px; }
.brand { color: var(--ink); font-size: 1.88rem; font-weight: 850; letter-spacing: -.04em; text-decoration: none; }
.header-utility { display: flex; align-items: center; gap: 24px; }
.tagline { color: var(--muted); font-size: .78rem; line-height: 1.5; white-space: nowrap; }
.header-utility nav { display: flex; gap: 14px; }
.header-utility nav a { color: var(--muted); font-size: .75rem; font-weight: 600; text-decoration: none; }
.site-nav { display: flex; gap: 2px; overflow-x: auto; padding: 10px 0 12px; border-top: 1px solid var(--line); scrollbar-width: none; }
.site-nav::-webkit-scrollbar { display: none; }
.site-nav a { flex: 0 0 auto; padding: 5px 12px; color: #33443d; font-size: .86rem; font-weight: 700; text-decoration: none; border-bottom: 2px solid transparent; }
.site-nav a:first-child { padding-left: 0; }
.site-nav a:hover { border-color: var(--brand); }
.mobile-utility { display: none; }

.main-inner { padding-block: 30px 72px; }
.eyebrow, .section-kicker, .story-label, .rail-label, .author-label {
  margin: 0 0 8px;
  color: var(--brand);
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .08em;
}
.section-kicker { text-transform: uppercase; }
.text-link, .primary-link { font-weight: 750; }
.primary-link { display: inline-flex; align-items: center; min-height: 46px; padding: 0 18px; background: var(--brand); color: #fff; border: 1px solid var(--brand); border-radius: var(--radius); text-decoration: none; }
.primary-link:hover { background: var(--brand-dark); }

.home-lead { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(320px, .85fr); gap: clamp(40px, 7vw, 84px); align-items: start; padding: 34px 0 40px; }
.home-intro-copy h1 { max-width: 700px; margin: 0; font-size: clamp(2.25rem, 4.1vw, 2.65rem); line-height: 1.38; letter-spacing: -.035em; }
.home-lead-copy { max-width: 680px; margin: 20px 0 0; color: #425149; font-size: 1rem; line-height: 1.9; }
.home-lead-links { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; margin-top: 26px; }
.featured-story { padding: 4px 0 2px 24px; border-left: 4px solid var(--brand); }
.featured-story .meta { margin-bottom: 10px; }
.featured-story h2 { margin: 0 0 12px; font-size: clamp(1.35rem, 2.5vw, 1.75rem); line-height: 1.5; letter-spacing: -.02em; }
.featured-story h2 a { color: var(--ink); text-decoration: none; }
.featured-story p:not(.story-label) { margin: 0 0 14px; color: var(--muted); font-size: .94rem; }

.trust-strip { display: flex; margin: 0; padding: 14px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.trust-strip div { display: flex; align-items: baseline; gap: 10px; padding: 0 26px; border-right: 1px solid var(--line); }
.trust-strip div:first-child { padding-left: 0; }
.trust-strip div:last-child { border: 0; }
.trust-strip dt { color: var(--muted); font-size: .74rem; }
.trust-strip dd { margin: 0; font-size: .96rem; font-weight: 800; }

.section { margin-top: 58px; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 18px; padding-bottom: 12px; border-bottom: 1px solid var(--ink); }
.section-heading h2 { margin: 0; font-size: 1.55rem; font-weight: 800; line-height: 1.45; letter-spacing: -.02em; }
.section-heading span, .section-action { color: var(--muted); font-size: .78rem; }
.section-action { font-weight: 650; }
.section-heading-small { margin-bottom: 10px; }

.topic-list { border-top: 1px solid var(--line); }
.topic-item { display: grid; grid-template-columns: 56px minmax(220px, .8fr) minmax(280px, 1.2fr); gap: 24px; align-items: start; padding: 20px 0; border-bottom: 1px solid var(--line); }
.topic-number { color: var(--brand); font-size: .76rem; font-weight: 850; letter-spacing: .08em; }
.topic-copy h3 { margin: 0 0 5px; font-size: 1.02rem; }
.topic-copy h3 a { color: var(--ink); text-decoration: none; }
.topic-copy p { margin: 0; color: var(--muted); font-size: .84rem; line-height: 1.7; }
.topic-latest { padding-left: 20px; border-left: 1px solid var(--line); }
.topic-latest span { display: block; margin-bottom: 5px; color: var(--brand); font-size: .68rem; font-weight: 800; }
.topic-latest a { display: block; color: var(--ink); font-size: .9rem; font-weight: 700; line-height: 1.6; text-decoration: none; }

.reading-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 26px; }
.reading-card { padding-top: 14px; border-top: 3px solid var(--ink); }
.reading-card h3 { margin: 9px 0 10px; font-size: 1.08rem; line-height: 1.55; }
.reading-card h3 a { color: var(--ink); text-decoration: none; }
.reading-card p { margin: 0 0 10px; color: var(--muted); font-size: .9rem; }
.reading-grid-compact .reading-card { border-top-width: 1px; }

.meta { color: var(--muted); font-size: .75rem; line-height: 1.65; letter-spacing: .01em; }
.meta strong { color: var(--brand-dark); font-weight: 750; }
.article-list { border-top: 1px solid var(--line); }
.article-row { display: grid; grid-template-columns: 150px minmax(0, 1fr); gap: 30px; padding: 20px 0; border-bottom: 1px solid var(--line); }
.article-row h3 { margin: 0 0 5px; font-size: 1.04rem; line-height: 1.55; }
.article-row h3 a { color: var(--ink); text-decoration: none; }
.article-row p { max-width: 760px; margin: 0; color: var(--muted); font-size: .9rem; }

.editorial-panel { display: grid; grid-template-columns: .72fr 1.28fr; gap: 48px; padding: 30px 32px; border-left: 4px solid var(--brand); background: var(--wash); }
.editorial-panel h2 { margin: 0; font-size: 1.55rem; line-height: 1.45; }
.editorial-panel p { margin: 0 0 14px; }
.editorial-links { display: flex; gap: 18px; flex-wrap: wrap; }

.breadcrumbs { margin-bottom: 22px; color: var(--muted); font-size: .76rem; }
.breadcrumbs ol { display: flex; gap: 8px; flex-wrap: wrap; margin: 0; padding: 0; list-style: none; }
.breadcrumbs li:not(:last-child)::after { content: "/"; margin-left: 8px; color: #9ba49f; }

.page-hero { max-width: 820px; padding: 18px 0 34px; border-bottom: 1px solid var(--line); }
.page-hero h1 { margin: 0 0 12px; font-size: clamp(2rem, 4vw, 2.45rem); line-height: 1.4; letter-spacing: -.03em; }
.page-hero p { max-width: 700px; margin: 0; color: var(--muted); }

.category-header { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 48px; align-items: end; padding: 16px 0 30px; border-bottom: 1px solid var(--line); }
.category-header h1 { margin: 0 0 10px; font-size: clamp(2rem, 4vw, 2.35rem); line-height: 1.35; letter-spacing: -.03em; }
.category-header p:not(.eyebrow) { max-width: 720px; margin: 0; color: var(--muted); }
.category-stats { display: flex; gap: 24px; margin: 0; }
.category-stats div { min-width: 86px; padding-left: 18px; border-left: 1px solid var(--line); }
.category-stats dt { color: var(--muted); font-size: .7rem; }
.category-stats dd { margin: 2px 0 0; font-size: .88rem; font-weight: 800; }
.category-feature { max-width: 820px; margin-top: 34px; padding: 24px 0 24px 24px; border-left: 4px solid var(--brand); }
.category-feature article h2 { margin: 7px 0 10px; font-size: clamp(1.4rem, 2.8vw, 1.75rem); line-height: 1.5; }
.category-feature article h2 a { color: var(--ink); text-decoration: none; }
.category-feature article p { margin: 0 0 12px; color: var(--muted); }
.category-articles { max-width: 900px; }
.related-topics { display: flex; gap: 12px 18px; flex-wrap: wrap; margin-top: 48px; padding-top: 18px; border-top: 1px solid var(--line); font-size: .82rem; }
.related-topics span { color: var(--muted); }

.article-shell { max-width: 1080px; }
.article-layout { display: grid; grid-template-columns: minmax(0, var(--measure)) minmax(220px, 260px); gap: 64px; align-items: start; }
.article-main { min-width: 0; }
.article-header { padding-bottom: 24px; border-bottom: 1px solid var(--line); }
.article-header h1 { margin: 10px 0 16px; font-size: clamp(2rem, 3.7vw, 2.35rem); font-weight: 820; line-height: 1.4; letter-spacing: -.03em; }
.article-lead { margin: 0; color: #425149; font-size: 1.02rem; line-height: 1.9; }
.article-byline { display: flex; gap: 10px 18px; flex-wrap: wrap; margin-top: 18px; color: var(--muted); font-size: .76rem; }
.article-byline a { color: var(--ink); font-weight: 750; }
.ad-notice { margin: 20px 0; padding: 10px 14px; border-left: 4px solid #c67c16; background: var(--warning); color: #6c4713; font-size: .82rem; font-weight: 700; }
.article-toc { display: none; margin: 24px 0; padding: 18px 20px; background: var(--surface); border: 1px solid var(--line); }
.article-toc p { margin: 0 0 8px; font-weight: 800; }
.article-toc ol { margin: 0; padding-left: 1.2em; }
.article-toc li { margin: 5px 0; font-size: .88rem; }
.prose { max-width: var(--measure); }
.article-body { padding-top: 6px; }
.prose h1 { font-size: 2.15rem; line-height: 1.4; }
.prose h2 { margin: 2.4em 0 .7em; padding-top: .55em; border-top: 1px solid var(--line); font-size: 1.55rem; font-weight: 800; line-height: 1.5; letter-spacing: -.02em; }
.prose h3 { margin: 2em 0 .6em; font-size: 1.15rem; font-weight: 800; }
.prose p { margin: 0 0 1.35em; }
.prose ul, .prose ol { padding-left: 1.4em; }
.prose dl { display: grid; grid-template-columns: 140px 1fr; margin: 28px 0; border-top: 1px solid var(--line); }
.prose dt, .prose dd { margin: 0; padding: 14px 0; border-bottom: 1px solid var(--line); }
.prose dd { padding-left: 20px; }
.article-cta { margin-top: 34px; padding: 22px 24px; border: 1px solid var(--line); background: var(--surface); }
.article-cta-label { margin: 0 0 10px !important; color: var(--muted); font-size: .8rem; font-weight: 700; }
.cta { display: inline-flex; align-items: center; min-height: 50px; padding: 0 22px; background: var(--brand); color: #fff; border: 1px solid var(--brand); border-radius: var(--radius); font-size: .95rem; font-weight: 800; text-decoration: none; }
.cta:hover { background: var(--brand-dark); }

.article-rail { position: sticky; top: 24px; }
.rail-block { padding: 18px 0; border-top: 2px solid var(--ink); }
.rail-block + .rail-block { margin-top: 22px; border-top-width: 1px; }
.rail-block strong { display: block; font-size: .94rem; }
.rail-block p:not(.rail-label) { margin: 8px 0 10px; color: var(--muted); font-size: .78rem; line-height: 1.65; }
.rail-block a { font-size: .78rem; font-weight: 700; }
.rail-toc ol { margin: 0; padding: 0; list-style: none; }
.rail-toc li { padding: 7px 0; border-bottom: 1px solid var(--line); font-size: .77rem; line-height: 1.55; }
.rail-toc a { color: #33443d; font-weight: 600; text-decoration: none; }

.author-box { margin-top: 50px; padding: 20px 0; border-top: 2px solid var(--ink); border-bottom: 1px solid var(--line); }
.author-box h2 { margin: 2px 0 8px; font-size: 1.18rem; }
.author-box > p:not(.author-label) { margin: 0 0 10px; color: #425149; font-size: .88rem; }
.author-meta { display: flex; gap: 16px; flex-wrap: wrap; margin: 10px 0; color: var(--muted); font-size: .76rem; }
.author-box nav { display: flex; gap: 16px; flex-wrap: wrap; }
.author-box nav a { font-size: .82rem; }
.related { margin-top: 48px; }
.related-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.related-list li { display: grid; grid-template-columns: 110px 1fr; gap: 18px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.category-back { margin-top: 26px; }

.notice { padding: 12px 15px; border-left: 4px solid #c67c16; background: var(--warning); }
.page-links { display: flex; gap: 18px; flex-wrap: wrap; margin-top: 28px; }
.empty-state { max-width: 720px; padding: 26px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

form { max-width: 680px; }
form label { display: block; margin-top: 18px; font-weight: 750; }
input, textarea { width: 100%; padding: 12px 13px; border: 1px solid #aeb8b2; border-radius: var(--radius); background: #fff; color: var(--ink); font: inherit; }
button { margin-top: 18px; min-height: 48px; padding: 0 22px; border: 0; border-radius: var(--radius); background: var(--brand); color: #fff; font: inherit; font-weight: 750; cursor: pointer; }

.site-footer { border-top: 1px solid var(--line); background: #eef0ec; }
.footer-inner { padding-block: 38px 52px; }
.footer-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 52px; }
.footer-brand { color: var(--ink); font-size: 1.35rem; font-weight: 850; letter-spacing: -.03em; text-decoration: none; }
.footer-intro p { max-width: 430px; margin: 10px 0 0; color: var(--muted); font-size: .84rem; }
.footer-editor { font-weight: 700; }
.footer-groups { display: grid; grid-template-columns: .8fr 1.2fr; gap: 30px; }
.footer-groups nav { display: flex; align-content: start; flex-wrap: wrap; gap: 5px 18px; }
.footer-groups h2 { flex-basis: 100%; margin: 0 0 8px; font-size: .76rem; letter-spacing: .05em; }
.footer-groups a { font-size: .8rem; }
.footer-note { margin-top: 28px; padding-top: 16px; border-top: 1px solid #cfd6d1; color: var(--muted); font-size: .76rem; }

@media (max-width: 900px) {
  .home-lead { grid-template-columns: 1fr; gap: 28px; }
  .featured-story { max-width: 720px; }
  .reading-grid { grid-template-columns: 1fr 1fr; }
  .topic-item { grid-template-columns: 48px minmax(0, 1fr); }
  .topic-latest { grid-column: 2; padding: 12px 0 0; border-left: 0; border-top: 1px solid var(--line); }
  .article-layout { grid-template-columns: minmax(0, var(--measure)); gap: 0; }
  .article-rail { display: none; }
  .article-toc { display: block; }
  .editorial-panel, .footer-grid { grid-template-columns: 1fr; }
  .tagline { display: none; }
}

@media (max-width: 640px) {
  body { font-size: 16px; line-height: 1.85; }
  .header-inner, .main-inner, .footer-inner { width: min(100% - 28px, var(--site-width)); }
  .header-top { min-height: auto; padding: 16px 0 8px; }
  .brand { font-size: 1.58rem; }
  .header-utility { display: none; }
  .mobile-utility { display: block; }
  .site-nav { margin-inline: -14px; padding-inline: 14px; }
  .site-nav a { padding: 5px 9px; }
  .site-nav a:first-child { padding-left: 9px; }
  .main-inner { padding-block: 22px 52px; }
  .home-lead { padding: 20px 0 28px; }
  .home-intro-copy h1 { font-size: 1.9rem; line-height: 1.45; }
  .home-lead-copy { margin-top: 16px; font-size: .95rem; }
  .home-lead-links { margin-top: 20px; }
  .featured-story { padding-left: 18px; }
  .trust-strip { display: grid; grid-template-columns: repeat(3, 1fr); padding: 11px 0; }
  .trust-strip div { display: block; padding: 0 8px; text-align: center; }
  .trust-strip div:first-child { padding-left: 0; }
  .trust-strip dt { font-size: .64rem; }
  .trust-strip dd { font-size: .86rem; white-space: nowrap; }
  .section { margin-top: 44px; }
  .section-heading { align-items: end; }
  .section-heading h2 { font-size: 1.35rem; }
  .section-heading span, .section-action { font-size: .7rem; }
  .topic-item { grid-template-columns: 38px 1fr; gap: 14px; padding: 17px 0; }
  .topic-latest { grid-column: 2; }
  .reading-grid { grid-template-columns: 1fr; gap: 22px; }
  .article-row { grid-template-columns: 1fr; gap: 5px; padding: 17px 0; }
  .editorial-panel { gap: 16px; padding: 22px 18px; }
  .category-header { grid-template-columns: 1fr; gap: 18px; padding-bottom: 24px; }
  .category-header h1 { font-size: 1.9rem; }
  .category-stats { gap: 16px; }
  .category-stats div:first-child { padding-left: 0; border-left: 0; }
  .category-feature { margin-top: 26px; padding: 18px 0 18px 16px; }
  .article-header h1 { font-size: 1.9rem; line-height: 1.45; }
  .article-lead { font-size: .98rem; }
  .article-byline { gap: 6px 14px; }
  .prose h2 { margin-top: 2.1em; font-size: 1.35rem; }
  .prose dl { grid-template-columns: 1fr; }
  .prose dt { padding-bottom: 3px; border-bottom: 0; }
  .prose dd { padding: 0 0 13px; }
  .article-cta { padding: 18px; }
  .related-list li { grid-template-columns: 1fr; gap: 4px; }
  .footer-groups { grid-template-columns: 1fr 1.15fr; gap: 20px; }
  .footer-groups nav { display: block; }
  .footer-groups a { display: block; margin-bottom: 5px; }
}