:root {
  --ink: #24312f;
  --muted: #66736f;
  --line: #dce5e1;
  --wash: #f4f7f5;
  --paper: #ffffff;
  --accent: #23675d;
  --accent-soft: #dcece7;
  --max: 1120px;
  --reading: 720px;
}

* { box-sizing: border-box; }
html { color-scheme: light; font-size: 16px; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Yu Gothic", "YuGothic", "Noto Sans JP", sans-serif;
  line-height: 1.9;
  letter-spacing: .025em;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: .2em; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible { outline: 3px solid #e0aa4d; outline-offset: 4px; border-radius: 2px; }

.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 10; padding: .6rem 1rem; color: #fff; background: var(--accent); }
.skip-link:focus { top: 1rem; }
.shell { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }
.site-header { border-bottom: 1px solid var(--line); background: rgba(255,255,255,.97); }
.header-inner { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 2rem; }
.brand { color: var(--ink); font-family: Georgia, "Yu Mincho", "YuMincho", serif; font-size: 1.45rem; font-weight: 700; letter-spacing: .1em; text-decoration: none; }
.global-nav { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: .35rem 1.35rem; font-size: .86rem; }
.global-nav a { color: var(--muted); text-decoration: none; }
.global-nav a[aria-current="page"] { color: var(--accent); font-weight: 700; }

.hero { padding-block: clamp(4.5rem, 9vw, 8rem) clamp(4rem, 8vw, 7rem); display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(280px, .7fr); gap: 3rem; align-items: end; }
.eyebrow, .section-index { margin: 0 0 1rem; color: var(--accent); font-size: .74rem; font-weight: 700; letter-spacing: .15em; }
.hero h1, .category-intro h1, .article-header h1 { margin: 0; font-family: Georgia, "Yu Mincho", "YuMincho", serif; font-weight: 500; letter-spacing: .02em; line-height: 1.45; }
.hero h1 { grid-column: 1; font-size: clamp(2.25rem, 6vw, 4.5rem); }
.hero .eyebrow { grid-column: 1 / -1; margin-bottom: -1.75rem; }
.hero-copy { grid-column: 2; margin: 0 0 .65rem; color: var(--muted); font-size: 1rem; }

.listing { padding-block: 0 6rem; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 2rem; padding-bottom: 1.25rem; border-bottom: 2px solid var(--ink); }
.section-heading h2 { margin: 0; font-family: Georgia, "Yu Mincho", "YuMincho", serif; font-size: clamp(1.55rem, 3vw, 2rem); font-weight: 500; }
.section-index { margin-bottom: .15rem; }
.result-count { margin: 0; color: var(--muted); font-size: .8rem; }
.article-list { display: grid; }
.empty-state { padding: 3rem 0; border-bottom: 1px solid var(--line); color: var(--muted); }
.empty-state p { margin: 0; }
.empty-state p + p { margin-top: .35rem; font-size: .86rem; }
.article-card { position: relative; display: grid; grid-template-columns: 8rem minmax(0,1fr) auto; gap: 1.5rem; align-items: start; padding-block: 2rem; border-bottom: 1px solid var(--line); }
.card-meta { color: var(--muted); font-size: .78rem; letter-spacing: .08em; }
.card-content h3 { margin: -.2rem 0 .55rem; font-family: Georgia, "Yu Mincho", "YuMincho", serif; font-size: clamp(1.15rem, 2vw, 1.4rem); font-weight: 600; line-height: 1.6; }
.card-content h3 a { color: var(--ink); text-decoration: none; }
.card-content h3 a::after { content: ""; position: absolute; inset: 0; }
.card-content p { margin: 0; max-width: 46rem; color: var(--muted); font-size: .92rem; }
.card-arrow { color: var(--accent); font-size: 1.4rem; transition: transform 160ms cubic-bezier(.23,1,.32,1); }
.article-card:hover .card-arrow { transform: translateX(4px); }

.breadcrumbs { display: flex; flex-wrap: wrap; gap: .55rem; padding-top: 2rem; color: var(--muted); font-size: .78rem; }
.breadcrumbs a { color: var(--muted); }
.category-intro { max-width: 780px; padding-block: clamp(3rem, 7vw, 6rem); }
.category-intro h1 { font-size: clamp(2.1rem, 5vw, 3.7rem); }
.category-intro > p:last-child { max-width: 44rem; margin: 1.5rem 0 0; color: var(--muted); }

.pagination { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: .5rem; margin-top: 2.5rem; }
.pagination a, .pagination span { min-width: 2.75rem; min-height: 2.75rem; display: inline-flex; align-items: center; justify-content: center; padding: .45rem .7rem; border: 1px solid var(--line); color: var(--ink); text-decoration: none; }
.pagination [aria-current="page"] { border-color: var(--accent); color: #fff; background: var(--accent); }
.pagination .page-direction { min-width: 5.5rem; }

.article-shell { width: min(calc(100% - 40px), 920px); margin-inline: auto; }
.article-body { padding-block: clamp(2.5rem, 6vw, 5rem) 7rem; }
.article-header { padding-bottom: clamp(2.5rem, 6vw, 4.5rem); border-bottom: 1px solid var(--line); }
.article-meta { display: flex; gap: .75rem; margin-bottom: 1.25rem; color: var(--accent); font-size: .75rem; font-weight: 700; letter-spacing: .1em; }
.article-meta span + span::before { content: "/"; margin-right: .75rem; color: var(--line); }
.article-header h1 { max-width: 850px; font-size: clamp(2rem, 5vw, 3.35rem); }
.dek { max-width: var(--reading); margin: 1.75rem 0 0; color: var(--muted); font-size: 1rem; }
.prose { max-width: var(--reading); margin-inline: auto; padding-top: clamp(2.5rem, 6vw, 4.5rem); font-family: Georgia, "Yu Mincho", "YuMincho", serif; font-size: 1.02rem; line-height: 2.15; }
.prose p { margin: 0 0 1.65rem; }
.prose h2 { margin: 4.25rem 0 1.5rem; padding-left: 1rem; border-left: 3px solid var(--accent); font-family: -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif; font-size: clamp(1.35rem, 3vw, 1.7rem); line-height: 1.55; letter-spacing: .04em; }
.prose .closing { margin-top: 4rem; padding: 1.75rem 2rem .2rem; background: var(--wash); border-top: 2px solid var(--accent); }
.related-articles { max-width: var(--reading); margin: 3rem auto 0; padding: 1.5rem 2rem; background: var(--wash); }
.related-articles h2 { margin: 0 0 .75rem; font-family: Georgia, "Yu Mincho", "YuMincho", serif; font-size: 1.1rem; }
.related-articles ul { margin: 0; padding-left: 1.2rem; }
.related-articles li + li { margin-top: .35rem; }
.category-return { max-width: var(--reading); margin: 4rem auto 0; padding-top: 1.5rem; border-top: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; gap: 1rem; font-size: .86rem; }
.category-return span { color: var(--muted); }
.category-return a { font-weight: 700; }
.site-footer { border-top: 1px solid var(--line); background: var(--wash); }
.footer-inner { min-height: 110px; display: flex; align-items: center; justify-content: space-between; gap: 1rem; color: var(--muted); font-size: .78rem; }
.footer-inner span:first-child { color: var(--ink); font-family: Georgia, serif; font-size: 1rem; letter-spacing: .1em; }

@media (max-width: 720px) {
  .shell, .article-shell { width: min(calc(100% - 32px), var(--max)); }
  .header-inner { min-height: 66px; align-items: flex-start; flex-direction: column; justify-content: center; gap: .55rem; padding-block: .75rem; }
  .global-nav { justify-content: flex-start; gap: .2rem 1rem; font-size: .78rem; }
  .hero { display: block; padding-block: 4rem 4.5rem; }
  .hero .eyebrow { margin-bottom: .75rem; }
  .hero h1 { font-size: 2.35rem; }
  .hero-copy { margin-top: 1.5rem; }
  .article-card { grid-template-columns: 1fr auto; gap: .5rem 1rem; padding-block: 1.55rem; }
  .card-meta { grid-column: 1 / -1; }
  .card-content p { font-size: .88rem; }
  .section-heading { align-items: start; flex-direction: column; gap: .5rem; }
  .prose { font-size: 1rem; line-height: 2.05; }
  .prose h2 { margin-top: 3.5rem; }
  .prose .closing { margin-inline: -16px; padding-inline: 16px; }
  .category-return, .footer-inner { align-items: flex-start; flex-direction: column; justify-content: center; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; }
}