/* AI4 multilingual static theme (shared by every country edition; brand colour comes from --brand set inline). */
:root{--ink:#1c1c1c;--muted:#333;--soft:#666;--bg:#f5f5f5;--line:#eee}
*{box-sizing:border-box}
body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,sans-serif;color:var(--ink);background:#fff;line-height:1.6}
a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}
img{max-width:100%}
.skip{position:absolute;left:-999px;top:0;background:#fff;padding:.5rem 1rem;z-index:99}.skip:focus{left:1rem}
.wrap{max-width:1180px;margin:0 auto;padding:0 1.25rem}
.narrow{max-width:880px}
/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding-top:.8rem;padding-bottom:.8rem;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:.55rem;color:var(--ink);font-family:Oswald,sans-serif;font-weight:600;letter-spacing:.04em;text-decoration:none!important;font-size:1.2rem}
.brand .mark{width:2.3rem;height:2.3rem;border-radius:999px;background:var(--brand);color:#fff;display:grid;place-items:center;font-weight:700;font-size:1rem}
.mainnav{display:flex;flex-wrap:wrap;gap:1.1rem;font-size:.93rem}
.mainnav a{color:var(--ink);font-weight:500}.mainnav a:hover{color:var(--brand)}
.lang{display:flex;align-items:center;gap:.35rem;font-size:.85rem;font-weight:600}
.lang ul{list-style:none;margin:0;padding:0;display:flex;gap:.25rem}
.lang a,.lang span{display:inline-block;padding:.2rem .55rem;border-radius:999px;border:1px solid var(--line);color:var(--ink)}
.lang span[aria-current]{background:var(--brand);border-color:var(--brand);color:#fff}
.lang a:hover{border-color:var(--brand);text-decoration:none}
/* hero */
.hero{position:relative;background:linear-gradient(135deg,#1c1c1c,#2a2a2a 50%,#1c1c1c);color:#fff;padding:7rem 0 6rem;text-align:center;overflow:hidden}
.hero:before{content:"";position:absolute;inset:-30%;background:radial-gradient(circle at 30% 30%,color-mix(in srgb,var(--brand) 35%,transparent),transparent 45%),radial-gradient(circle at 70% 80%,color-mix(in srgb,var(--brand) 25%,transparent),transparent 40%)}
.hero .wrap{position:relative}
.hero h1{font-family:Oswald,sans-serif;font-size:clamp(3rem,9vw,6.5rem);line-height:1;margin:0 0 1.5rem;letter-spacing:.01em}
.hero h1 .accent{color:#fff;background:var(--brand);padding:0 .25em;border-radius:.2em}
.hero p{max-width:56rem;margin:0 auto;font-size:clamp(1.05rem,2vw,1.4rem);font-weight:300;color:rgba(255,255,255,.9)}
/* sections */
section.block{padding:4.5rem 0}
section.alt{background:var(--bg)}
.kicker{display:inline-block;background:color-mix(in srgb,var(--brand) 10%,transparent);color:var(--brand);font-size:.75rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;padding:.35rem .75rem;border-radius:999px}
h2.sec{font-family:Oswald,sans-serif;font-size:clamp(1.8rem,4vw,2.8rem);text-transform:uppercase;margin:.6rem 0 1rem;line-height:1.15}
.lead{font-size:1.1rem;color:var(--muted);max-width:52rem}
.grid{display:grid;gap:1.25rem}
.g5{grid-template-columns:repeat(auto-fill,minmax(210px,1fr))}
.g4{grid-template-columns:repeat(auto-fill,minmax(250px,1fr))}
.g3{grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}
.card{background:#fff;border:1px solid var(--line);border-radius:1rem;overflow:hidden;display:flex;flex-direction:column;transition:box-shadow .2s,transform .2s}
.card:hover{box-shadow:0 18px 40px rgba(0,0,0,.08);transform:translateY(-2px)}
.card img{width:100%;height:190px;object-fit:cover;background:#1c1c1c}
.card .in{padding:1.1rem 1.2rem 1.3rem;display:flex;flex-direction:column;gap:.5rem;flex:1}
.card h3{font-family:Oswald,sans-serif;font-size:1.2rem;text-transform:uppercase;margin:0;line-height:1.25}
.card h3 a{color:var(--ink)}
.card p{margin:0;color:var(--muted);font-size:.95rem}
.card .more{margin-top:auto;font-weight:600}
.card .meta{font-size:.8rem;color:var(--soft)}
.fcard{padding:1.3rem;border-radius:1rem;background:#fff;border:1px solid var(--line)}
.fcard h3{font-family:Oswald,sans-serif;text-transform:uppercase;font-size:1.1rem;margin:0 0 .4rem}
.fcard p{margin:0;font-size:.92rem;color:var(--muted)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:2.5rem;align-items:center}
.split img{width:100%;border-radius:1rem;object-fit:cover;max-height:420px}
@media(max-width:820px){.split{grid-template-columns:1fr}}
.stats{display:flex;flex-wrap:wrap;gap:.75rem;margin:1.25rem 0}
.stat{background:var(--bg);border-radius:.75rem;padding:.85rem 1rem;min-width:7.5rem}
.card .stats{margin:.3rem 0}.card .stat{padding:.5rem .7rem;min-width:0}
.stat b{display:block;color:var(--brand);font-family:Oswald,sans-serif;font-size:1.25rem}
.stat span{font-size:.75rem;color:var(--soft)}
.btn{display:inline-block;background:var(--brand);color:#fff!important;padding:.7rem 1.3rem;border-radius:999px;font-weight:600;text-decoration:none!important}
.row{display:flex;justify-content:space-between;align-items:flex-end;gap:1rem;flex-wrap:wrap}
ul.checks{list-style:none;padding:0;margin:1rem 0}ul.checks li{padding:.3rem 0 .3rem 1.6rem;position:relative}ul.checks li:before{content:"✓";position:absolute;left:0;color:var(--brand);font-weight:700}
/* article */
.crumbs{font-size:.85rem;color:var(--soft);margin:1.25rem 0 0}.crumbs a{color:var(--soft)}
article h1{font-family:Oswald,sans-serif;font-size:clamp(1.8rem,4vw,2.6rem);line-height:1.15;text-transform:uppercase;margin:.8rem 0}
article .meta{color:var(--soft);font-size:.95rem;margin-bottom:1.25rem}
article .hero-img{width:100%;max-height:380px;object-fit:cover;border-radius:1rem;margin:1.25rem 0;background:#1c1c1c}
.prose p{font-size:1.05rem;color:var(--muted);margin:0 0 1rem}
.prose h2{font-family:Oswald,sans-serif;font-size:1.35rem;text-transform:uppercase;margin:1.75rem 0 .75rem}
.prose .mid{width:100%;border-radius:.85rem;margin:1.25rem 0;max-height:320px;object-fit:cover}
.share{display:flex;flex-wrap:wrap;gap:.5rem;align-items:center;margin:1.5rem 0;font-size:.9rem}
.share a{border:1px solid var(--line);border-radius:999px;padding:.3rem .8rem;color:var(--ink)}
.related{margin:2rem 0;padding:1.25rem;border:1px solid var(--line);border-radius:1rem;background:#fafafa}
.related h2{font-family:Oswald,sans-serif;font-size:1.2rem;margin:0 0 .75rem;text-transform:uppercase}
.related ul{margin:0;padding-left:1.1rem}.related li{margin:.35rem 0}
.notice{border-left:4px solid var(--brand);background:var(--bg);padding:1.25rem 1.5rem;border-radius:.5rem;margin:2rem 0}
/* footer */
.site-footer{background:#1c1c1c;color:rgba(255,255,255,.75);padding:3rem 0 2rem;margin-top:3rem;font-size:.92rem}
.site-footer a{color:#fff}
.site-footer .cols{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:2rem}
@media(max-width:820px){.site-footer .cols{grid-template-columns:1fr 1fr}}
.site-footer h4{font-family:Oswald,sans-serif;text-transform:uppercase;color:#fff;margin:0 0 .7rem;font-size:1rem}
.site-footer ul{list-style:none;margin:0;padding:0}.site-footer li{margin:.3rem 0}
.site-footer .brand{color:#fff}
.site-footer .bottom{border-top:1px solid rgba(255,255,255,.15);margin-top:2rem;padding-top:1.25rem;display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;align-items:center}
.site-footer .lang a,.site-footer .lang span{border-color:rgba(255,255,255,.3);color:#fff}
.seo{padding:2.5rem 0;background:var(--bg);font-size:.9rem;color:var(--soft)}.seo h2{font-family:Oswald,sans-serif;font-size:1.1rem;color:var(--ink);margin:0 0 .5rem}
/* Japanese: system font stack (no webfont), strict kinsoku line breaking, no uppercase/tracking on headings */
:lang(ja) body{font-family:"Hiragino Sans","Hiragino Kaku Gothic ProN","Noto Sans JP","Noto Sans CJK JP","Yu Gothic",YuGothic,Meiryo,system-ui,sans-serif;line-break:strict;word-break:normal;overflow-wrap:break-word}
:lang(ja) h1,:lang(ja) h2,:lang(ja) h3,:lang(ja) h4,:lang(ja) .stat b{font-family:Oswald,"Hiragino Sans","Hiragino Kaku Gothic ProN","Noto Sans JP","Noto Sans CJK JP","Yu Gothic",YuGothic,Meiryo,sans-serif;letter-spacing:0;text-transform:none;font-weight:700}
:lang(ja) .prose p{line-height:1.95}
:lang(ja) .kicker{letter-spacing:.02em}