:root {
  --green-950: #12331d;
  --green-900: #1e4d2b;
  --green-700: #39733a;
  --lime: #79bd2a;
  --gold: #bd9727;
  --ink: #333333;
  --muted: #6f716b;
  --paper: #ffffff;
  --warm: #f7f7f3;
  --line: #dcddd4;
  --grad: linear-gradient(180deg, #1E4D2B 0%, #2A6535 25%, #3D7D3F 50%, #5A9A3A 75%, #7BBF35 100%);
  --content: 1120px;
  --article: 760px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", YuGothic, Meiryo, sans-serif;
  font-size: 16px;
  line-height: 1.95;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
img { display: block; max-width: 100%; }
.skip-link { position: fixed; top: -80px; left: 16px; z-index: 99; padding: 10px 16px; color: white; background: var(--green-950); }
.skip-link:focus { top: 16px; }
.site-header { position: sticky; top: 0; z-index: 100; color: white; background: var(--green-900); border-bottom: 1px solid rgba(255,255,255,.12); box-shadow: 0 2px 8px rgba(0,0,0,.25); }
.header-inner { width: 100%; max-width: 1100px; height: 64px; margin: auto; padding: 0 20px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.header-logo { display: flex; flex-direction: column; flex-shrink: 0; text-decoration: none; line-height: 1.15; }
.header-logo-main { color: white; font-family: "Playfair Display", Georgia, serif; font-weight: 700; font-size: 1.45rem; letter-spacing: .05em; }
.header-logo-sub { margin-top: 1px; color: #b8952a; font-size: .68rem; font-weight: 700; letter-spacing: .18em; }
.global-nav { display: flex; align-items: center; justify-content: flex-end; gap: 24px; }
.global-nav a { color: rgba(255,255,255,.88); text-decoration: none; padding: 8px 0; border-bottom: 2px solid transparent; font-size: 14px; font-weight: 500; letter-spacing: .03em; white-space: nowrap; }
.global-nav a:hover, .global-nav a:focus-visible, .global-nav a.active, .global-nav a[aria-current="page"] { color: white; border-color: var(--gold); }
.nav-toggle { display: none; flex-direction: column; gap: 5px; padding: 8px 4px; cursor: pointer; background: none; border: 0; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: white; transition: transform .3s, opacity .3s; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.nav-toggle:focus-visible { outline: 2px solid var(--gold); outline-offset: 4px; }
.page-hero { position: relative; overflow: hidden; color: white; background: var(--grad); }
.hero-inner { position: relative; z-index: 1; width: min(calc(100% - 40px), var(--content)); margin: auto; padding: 52px 0 44px; text-align: center; }
.eyebrow { margin: 0 0 8px; color: inherit; font-size: 12px; font-weight: 400; letter-spacing: .2em; text-transform: uppercase; opacity: .7; }
.page-hero h1 { max-width: 900px; margin: 0 auto; font-family: Georgia, "Yu Mincho", serif; font-size: clamp(24px, 3vw, 35px); line-height: 1.35; letter-spacing: .03em; }
.hero-lead { max-width: 760px; margin: 8px auto 0; color: rgba(255,255,255,.82); font-size: 14px; letter-spacing: .05em; }
.index-main { width: min(calc(100% - 40px), var(--content)); margin: auto; padding: 72px 0 100px; }
.section-heading { margin: 0 0 36px; color: var(--green-900); font-family: Georgia, "Yu Mincho", serif; font-size: clamp(26px, 3vw, 36px); line-height: 1.4; }
.section-heading::after { content: ""; display: block; width: 42px; height: 3px; margin-top: 16px; background: var(--gold); }
.article-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 40px 32px; }
.article-card { border: 1px solid var(--line); background: var(--paper); transition: transform .2s ease, box-shadow .2s ease; }
.article-card:hover { transform: translateY(-4px); box-shadow: 0 18px 38px rgba(23,54,30,.1); }
.card-image { display: block; aspect-ratio: 1200 / 630; overflow: hidden; background: var(--warm); }
.card-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.article-card:hover .card-image img { transform: scale(1.025); }
.card-body { padding: 28px 30px 30px; }
.meta-row { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 14px; margin-bottom: 14px; color: var(--muted); font-size: 13px; }
.category { display: inline-flex; align-items: center; min-height: 25px; padding: 1px 10px; color: var(--green-900); background: #edf4e8; border-radius: 999px; font-weight: 700; }
.card-title { margin: 0; color: var(--green-900); font-family: Georgia, "Yu Mincho", serif; font-size: 24px; line-height: 1.55; }
.card-title a { text-decoration: none; }
.card-title a:hover { text-decoration: underline; text-decoration-color: var(--gold); text-underline-offset: 5px; }
.card-description { margin: 14px 0 20px; color: #5f625d; font-size: 15px; }
.read-more { color: var(--green-700); font-weight: 700; text-decoration: underline; text-decoration-color: #b6ca9b; text-underline-offset: 5px; }
.article-main { width: min(calc(100% - 40px), var(--article)); margin: auto; padding: 58px 0 100px; }
.article-meta { display: flex; flex-wrap: wrap; gap: 10px 16px; align-items: center; margin-bottom: 26px; color: var(--muted); font-size: 14px; }
.article-visual { margin: 0 0 48px; overflow: hidden; border: 1px solid var(--line); background: var(--warm); }
.article-visual img { width: 100%; aspect-ratio: 1200 / 630; object-fit: cover; }
.article-content { font-size: 17px; }
.article-content > p:first-child { color: #424941; font-size: 19px; line-height: 2; }
.article-content h2 { margin: 54px 0 18px; padding-left: 18px; color: var(--green-900); border-left: 4px solid var(--gold); font-family: Georgia, "Yu Mincho", serif; font-size: 27px; line-height: 1.5; }
.article-content h3 { margin: 38px 0 12px; color: var(--green-900); font-size: 21px; }
.article-content p { margin: 0 0 1.45em; }
.article-content ul, .article-content ol { margin: 18px 0 30px; padding: 22px 28px 22px 50px; background: var(--warm); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.article-content li + li { margin-top: 8px; }
.article-content blockquote { margin: 30px 0; padding: 20px 28px; border-left: 4px solid var(--lime); background: #f2f7ee; }
.author-note { position: relative; margin-top: 58px; padding: 34px 38px; background: linear-gradient(135deg, #eef5e9, #f8f5eb); border: 1px solid #d7dfcc; }
.author-note::before { content: "J.U."; position: absolute; top: -14px; left: 28px; padding: 2px 12px; color: white; background: var(--green-900); font-family: Georgia, serif; font-size: 12px; letter-spacing: .14em; }
.author-note h2 { margin-top: 0; padding: 0; border: 0; font-size: 24px; }
.author-note p:last-child { margin-bottom: 0; }
.keywords { margin-top: 44px; padding-top: 18px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }
.back-link { display: inline-block; margin-top: 44px; color: var(--green-700); font-weight: 700; text-underline-offset: 5px; }
.contact-band { color: white; background: linear-gradient(135deg, var(--green-900), #32733c 68%, var(--lime)); }
.contact-inner { width: min(calc(100% - 40px), 820px); margin: auto; padding: 56px 0; text-align: center; }
.contact-inner h2 { margin: 0; font-family: Georgia, "Yu Mincho", serif; font-size: 28px; }
.contact-inner p { margin: 10px 0 24px; color: rgba(255,255,255,.84); }
.contact-button { display: inline-block; padding: 12px 28px; color: var(--green-950); background: white; border: 2px solid white; text-decoration: none; font-weight: 700; }
.contact-button:hover { color: white; background: transparent; }
.site-footer { padding: 16px 20px; background: #111; }
.footer-inner { max-width: var(--content); margin: 0 auto; display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.footer-logo { display: block; flex-shrink: 0; width: 38px; height: 38px; overflow: hidden; border-radius: 4px; }
.footer-logo img { width: 38px; height: 38px; object-fit: contain; }
.footer-right { flex: 1; display: flex; flex-direction: column; gap: 5px; min-width: 0; }
.footer-links { display: flex; flex-wrap: wrap; gap: 4px 16px; align-items: center; }
.footer-links a { color: #ccc; font-size: .8rem; font-weight: 600; line-height: 1.4; text-decoration: none; transition: color .2s; }
.footer-links a:hover, .footer-links a:focus-visible { color: var(--gold); }
.footer-facebook { display: inline-flex; align-items: center; }
.footer-facebook svg { display: block; width: 20px; height: 20px; }
.footer-copy { margin: 0; color: #bbb; font-size: .75rem; font-weight: 600; line-height: 1.4; }
.empty-state { padding: 48px; background: var(--warm); border: 1px solid var(--line); text-align: center; }
@media (max-width: 800px) {
  .global-nav { display: none; position: fixed; top: 64px; left: 0; right: 0; z-index: 99; flex-direction: column; align-items: stretch; gap: 0; padding: 12px 20px 20px; background: var(--green-900); border-top: 1px solid rgba(255,255,255,.15); box-shadow: 0 8px 20px rgba(0,0,0,.3); }
  .global-nav.open { display: flex; }
  .global-nav a { width: 100%; padding: 13px 0; border-bottom: 1px solid rgba(255,255,255,.1); font-size: 16px; }
  .global-nav a.active, .global-nav a[aria-current="page"] { color: white; border-bottom-color: var(--gold); }
  .global-nav a:last-child { border-bottom-color: transparent; }
  .nav-toggle { display: flex; }
  body.nav-open { overflow: hidden; }
  .page-hero .hero-inner { padding: 42px 0 38px; }
  .article-grid { grid-template-columns: 1fr; }
}
@media (max-width: 540px) {
  body { line-height: 1.85; }
  .header-inner { width: 100%; padding: 0 16px; }
  .hero-inner, .index-main, .article-main, .contact-inner { width: min(calc(100% - 28px), var(--content)); }
  .page-hero h1 { font-size: 24px; }
  .hero-lead { font-size: 14px; line-height: 1.8; }
  .card-body { padding: 22px; }
  .article-main { padding-top: 38px; }
  .article-content { font-size: 16px; }
  .article-content > p:first-child { font-size: 17px; }
  .article-content h2 { font-size: 23px; }
  .author-note { padding: 30px 24px 24px; }
  .site-footer { padding: 18px 14px; }
  .footer-inner { flex-direction: column; align-items: flex-start; gap: 12px; }
  .footer-links { gap: 5px 14px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}