:root{color-scheme:dark;--bg:#0a0a0c;--surface:#111114;--card:#18181c;--border:#2a2a30;--accent:#e8a040;--text:#e8e4e0;--muted:#bbb;--radius:14px}
*{box-sizing:border-box}html{scroll-padding-top:76px}body{margin:0;background:var(--bg);color:var(--text);font-family:'Noto Sans JP',-apple-system,BlinkMacSystemFont,'Hiragino Kaku Gothic ProN','Yu Gothic',sans-serif;line-height:1.7}a{color:var(--accent);text-underline-offset:4px}button,input{font:inherit}button,a,input,summary{-webkit-tap-highlight-color:transparent}:focus-visible{outline:3px solid #f0c060;outline-offset:4px}[hidden]{display:none!important}.skip-link{position:fixed;top:8px;left:8px;z-index:100;transform:translateY(-160%);padding:12px;background:var(--card)}.skip-link:focus{transform:translateY(0)}
.site-nav{position:sticky;top:0;z-index:10;display:flex;justify-content:space-between;align-items:center;gap:12px;padding:8px max(16px,calc((100vw - 1200px)/2));background:#161b22;border-bottom:1px solid #30363d}.site-nav a{display:flex;align-items:center;min-height:44px;text-decoration:none;font-size:14px}.site-nav .brand{color:#f0883e;font-weight:800}.site-nav .home{color:#c9d1d9}.atlas{max-width:1200px;margin:auto;padding:24px 24px 56px}.breadcrumbs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px;color:var(--muted);font-size:14px}.breadcrumbs a{padding:4px 0}.intro{margin-bottom:24px}.eyebrow{font-size:13px;color:var(--accent);font-weight:700;letter-spacing:.08em;margin:0 0 6px}h1{font-size:clamp(25px,3.3vw,36px);line-height:1.45;margin:0 0 10px;letter-spacing:.015em}.intro-text{color:var(--muted);margin:0;max-width:760px}.intro-meta{display:flex;flex-wrap:wrap;gap:8px 20px;margin-top:14px;font-size:14px;color:var(--muted)}.intro-meta strong{color:var(--accent)}.tools{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px;margin-bottom:20px}.search-label{display:block;font-weight:700;font-size:16px;margin-bottom:8px}.search-line{display:flex;align-items:center;gap:10px}.search-field{flex:1;min-width:0}.search-field input{width:100%;min-height:50px;border:1px solid #666;border-radius:10px;padding:11px 14px;background:var(--bg);color:var(--text);font-size:16px}.search-field input::placeholder{color:#aaa}.reset-button{min-height:50px;border:1px solid #666;border-radius:10px;background:var(--card);color:var(--text);padding:8px 15px;cursor:pointer;flex-shrink:0}.reset-button:hover{border-color:var(--accent)}.search-help{font-size:13px;color:var(--muted);margin:7px 0 16px}fieldset{border:0;margin:0;padding:0;min-width:0}legend{font-size:14px;font-weight:700;margin-bottom:8px;padding:0}.filters{display:flex;flex-wrap:wrap;gap:8px}.filters button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:8px 14px;background:var(--card);color:var(--text);border:1px solid #555;border-radius:24px;cursor:pointer;font-size:14px}.filters button:hover{border-color:var(--accent)}.filters button[aria-pressed=true]{background:var(--accent);border-color:var(--accent);color:#17100a;font-weight:800}.filter-count{font-size:12px;opacity:.85;font-variant-numeric:tabular-nums}.results-bar{display:flex;justify-content:space-between;align-items:center;gap:12px;margin:18px 0 14px}.results-bar h2{margin:0;font-size:17px}.results-bar span{color:var(--muted);font-size:13px}.country-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;align-items:start}.country-card{min-width:0;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;scroll-margin-top:80px}.flag-frame{height:224px;margin:0;padding:20px;background:#e6e6e8;display:flex;align-items:center;justify-content:center}.flag-frame img{width:100%;height:100%;object-fit:contain;display:block;filter:drop-shadow(0 1px 2px #0003)}.country-info{padding:18px 20px 20px}.country-info h3{margin:0;font-size:23px;line-height:1.5;overflow-wrap:anywhere}.country-english{font-size:13px;line-height:1.5;color:var(--muted);margin:3px 0 14px;overflow-wrap:anywhere}dl{margin:0;display:grid;grid-template-columns:5em minmax(0,1fr);gap:8px 9px;font-size:14px;line-height:1.7}dt{color:var(--muted)}dd{margin:0;overflow-wrap:anywhere}.country-note{padding-top:12px;border-top:1px solid var(--border);margin:14px 0 0;font-size:13px;color:var(--muted);line-height:1.8}.country-source{display:inline-flex;align-items:center;min-height:44px;font-size:13px;margin-top:6px}.empty{border:1px dashed #777;border-radius:var(--radius);padding:28px;text-align:center}.empty h3{font-size:18px;margin-top:0}.empty p{color:var(--muted)}.about-data{margin-top:32px;padding:20px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);font-size:14px}.about-data summary{font-size:16px;font-weight:700;cursor:pointer;min-height:44px;display:list-item;align-content:center}.about-data p{color:var(--muted);margin:12px 0}.about-data ul{padding-left:22px;color:var(--muted)}.about-data li{margin:8px 0}.related{margin-top:32px}.related h2{font-size:19px;margin:0 0 12px}.related-links{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.related-links a{display:block;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:16px;text-decoration:none;font-weight:700}.related-links a:hover{border-color:var(--accent)}.related-links small{display:block;font-size:13px;font-weight:400;color:var(--muted);margin-top:3px}.footer{padding:24px 16px;text-align:center;border-top:1px solid var(--border);color:var(--muted);font-size:13px}.footer p{margin:6px 0}.footer a{display:inline-block;padding:10px 8px}.noscript{border:1px solid var(--accent);padding:12px;border-radius:10px}
@media(max-width:1000px){.country-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:640px){.atlas{padding:18px 16px 40px}.intro{margin-bottom:18px}.breadcrumbs{font-size:12px;margin-bottom:14px}.tools{padding:16px}.search-line{flex-wrap:wrap}.search-field{flex-basis:100%}.reset-button{min-height:44px;padding:7px 13px;font-size:14px}.search-help{margin-bottom:14px}.filters{gap:8px}.filters button{padding:8px 12px}.country-grid{grid-template-columns:minmax(0,1fr);gap:16px}.flag-frame{height:224px;padding:20px}.country-info{padding:17px 20px 20px}.country-info h3{font-size:23px}dl{font-size:15px;gap:8px}.related-links{grid-template-columns:1fr}.about-data{padding:16px}.results-bar span{font-size:12px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}
.population data{display:block;font-size:18px;font-weight:700;font-variant-numeric:tabular-nums;line-height:1.5}.population-meta{display:flex;flex-wrap:wrap;align-items:center;column-gap:10px;font-size:12px;color:var(--muted)}.population-meta a{display:inline-flex;align-items:center;min-height:32px}.population-notes{margin-top:32px;padding:20px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);font-size:14px}.population-notes h2{font-size:19px;margin:0 0 12px}.population-notes p{color:var(--muted);margin:12px 0}.population-notes strong{color:var(--text)}

/* Keep the first large flag in view on narrow screens. */
.breadcrumbs{margin-bottom:12px}.intro{margin-bottom:16px}.intro-meta{margin-top:8px}.tools{padding:16px}.tools-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:8px}.tools-heading .search-label{margin:0}.tools-heading .reset-button{min-height:44px;padding:6px 12px;font-size:14px}.search-help{margin:6px 0 12px}.results-bar{margin:14px 0 10px}
@media(max-width:640px){.atlas{padding-top:12px}.intro-text{font-size:14px}.filters{display:grid;grid-template-columns:repeat(3,minmax(0,1fr))}.filters button{padding:8px 4px;font-size:13px;white-space:nowrap}.filter-count{display:none}.results-bar{flex-wrap:wrap;gap:2px 10px}.results-bar h2{font-size:15px}}