:root{
  --navy:#0A1F44; --navy-2:#0F2B5C; --navy-3:#061532;
  --gold:#D4A24C; --gold-2:#E6BC6E; --gold-d:#9C7125;
  --ink:#0B1B33; --muted:#556079; --line:#DDE2EA; --bg:#FFFFFF; --bg-2:#F6F3EC; --paper:#F6F3EC; --land:#E6EAF1; --sea:#F7F9FC; --coal:#0A1F44; --lng:#1B7F8C; --oil:#C08A2B; --navy-2:#14336B; --gold-d:#8A6420;
  --radius:6px; --max:1200px;
  --sans:"Inter","Noto Sans JP","Noto Sans KR","Noto Sans SC","Noto Sans TC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --serif:"Newsreader","Noto Serif JP","Noto Serif KR","Noto Serif SC",Georgia,serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--sans);color:var(--ink);background:var(--bg);line-height:1.6;font-size:17px;-webkit-font-smoothing:antialiased}
img,svg{max-width:100%;display:block}
a{color:inherit}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
h1,h2,h3{font-family:var(--serif);font-weight:500;line-height:1.12;letter-spacing:-.01em;margin:0 0 .5em;color:var(--navy)}
h1{font-size:clamp(2.4rem,5.2vw,4.1rem)}
h2{font-size:clamp(1.9rem,3.4vw,2.7rem)}
h3{font-size:1.35rem}
p{margin:0 0 1em}
.eyebrow{font-size:.78rem;letter-spacing:.18em;text-transform:uppercase;font-weight:600;color:var(--gold-d);margin-bottom:14px;display:block}
.lede{font-size:1.2rem;color:var(--muted);max-width:60ch}
.skip{position:absolute;left:-999px}.skip:focus{left:12px;top:12px;background:#fff;padding:8px 12px;z-index:100}

/* header */
header.site{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;height:76px;gap:24px}
.brand img{height:42px;width:auto}
nav.main{display:flex;gap:30px;align-items:center}
nav.main a{text-decoration:none;font-size:.92rem;font-weight:500;color:var(--ink);padding:6px 0;border-bottom:2px solid transparent}
nav.main a:hover,nav.main a[aria-current="page"]{border-color:var(--gold)}
.tools{display:flex;gap:14px;align-items:center}
.lang{position:relative}
.lang button{font:inherit;font-size:.82rem;font-weight:600;background:none;border:1px solid var(--line);border-radius:var(--radius);padding:7px 11px;cursor:pointer;color:var(--ink);display:flex;gap:6px;align-items:center}
.lang ul{display:none;position:absolute;right:0;top:calc(100% + 6px);list-style:none;margin:0;padding:6px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 14px 34px rgba(10,31,68,.14);min-width:150px}
.lang.open ul{display:block}
.lang li button{width:100%;border:0;text-align:left;padding:8px 10px;font-weight:500}
.lang li button:hover:not([disabled]){background:var(--bg-2)}
.lang li button[disabled]{color:#9AA5B8;cursor:not-allowed}
.lang li small{font-size:.68rem;margin-left:auto;color:#9AA5B8}
.btn{display:inline-block;text-decoration:none;font-weight:600;font-size:.95rem;padding:13px 24px;border-radius:var(--radius);border:1px solid transparent;transition:.18s;cursor:pointer;font-family:inherit}
.btn-gold{background:var(--gold);color:var(--navy-3)}.btn-gold:hover{background:var(--gold-2)}
.btn-navy{background:var(--navy);color:#fff}.btn-navy:hover{background:var(--navy-2)}.btn-line{border-color:var(--navy);color:var(--navy)}.btn-line:hover{background:var(--navy);color:#fff}
:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
.btn-ghost{border-color:rgba(255,255,255,.4);color:#fff}.btn-ghost:hover{background:rgba(255,255,255,.1)}
.menu-btn{display:none;background:none;border:1px solid var(--line);border-radius:var(--radius);padding:8px 10px;cursor:pointer}

/* hero (light editorial + map) */
.hero{background:#fff;border-bottom:1px solid var(--line);overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:56px;align-items:center;padding-top:72px;padding-bottom:72px}
.hero h1{max-width:13ch;font-size:clamp(2.6rem,5vw,4.4rem);line-height:1.04}
.hero .lede{margin-bottom:30px}
.hero .cta{display:flex;gap:14px;flex-wrap:wrap}
.legend{display:flex;gap:22px;flex-wrap:wrap;margin-top:34px;padding-top:22px;border-top:1px solid var(--line);font-size:.85rem;color:var(--muted)}
.legend i{display:inline-block;width:22px;height:3px;border-radius:2px;vertical-align:middle;margin-right:8px}
.mapbox{border:1px solid var(--line);border-radius:var(--radius);background:var(--sea);position:relative;box-shadow:0 30px 60px rgba(10,31,68,.08)}
.mapbox figcaption{position:absolute;left:16px;bottom:12px;font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.asia-map{width:100%;height:auto;display:block;border-radius:var(--radius)}
.asia-map .route{fill:none;stroke-width:2.4;stroke-dasharray:1;stroke-dashoffset:1;animation:draw 2.4s cubic-bezier(.3,.6,.2,1) forwards;animation-delay:var(--d)}
.asia-map .route.coal{stroke:var(--coal)}.asia-map .route.lng{stroke:var(--lng)}.asia-map .route.oil{stroke:var(--oil)}
.asia-map .reach{opacity:0;animation:fade 1s forwards;animation-delay:var(--d)}
.asia-map .dot.coal{fill:var(--coal)}.asia-map .dot.lng{fill:var(--lng)}.asia-map .dot.oil{fill:var(--oil)}
.asia-map .pt circle{fill:#fff;stroke:var(--ink);stroke-width:1.6}
.asia-map text{font:500 16px Inter,sans-serif;fill:var(--ink);paint-order:stroke;stroke:var(--sea);stroke-width:5px;stroke-linejoin:round}
.asia-map .hkl{font-weight:700;letter-spacing:.14em;font-size:16px;fill:var(--navy)}
.asia-map .pulse{fill:none;stroke:var(--gold);stroke-width:2;transform-box:fill-box;transform-origin:center;animation:pulse 2.8s ease-out infinite}
.asia-map .p2{animation-delay:1.4s}
@keyframes draw{to{stroke-dashoffset:0}}@keyframes fade{to{opacity:.55}}
@keyframes pulse{0%{transform:scale(1);opacity:.9}100%{transform:scale(3.2);opacity:0}}
@media (prefers-reduced-motion:reduce){.asia-map .route{animation:none;stroke-dashoffset:0}.asia-map .reach{animation:none;opacity:.55}.asia-map .dot,.asia-map .pulse{display:none}}
.facts{background:var(--paper);border-bottom:1px solid var(--line)}
.facts .wrap{display:grid;grid-template-columns:repeat(4,1fr)}
.fact{padding:28px 24px;border-left:1px solid var(--line)}
.fact:first-child{border-left:0;padding-left:0}
.fact b{display:block;font-family:var(--serif);font-weight:500;font-size:2.4rem;color:var(--navy);line-height:1}
.fact span{font-size:.88rem;color:var(--muted)}

/* sections */
section.s{padding:96px 0}
section.alt{background:var(--paper)}
.head{max-width:760px;margin-bottom:52px}
.grid{display:grid;gap:24px}
.g3{grid-template-columns:repeat(3,1fr)}.g2{grid-template-columns:repeat(2,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px 30px;transition:.2s;position:relative}
.card:hover{border-color:var(--gold);box-shadow:0 18px 40px rgba(10,31,68,.08);transform:translateY(-2px)}
.card .ic{width:44px;height:44px;color:var(--gold-d);margin-bottom:22px}
.card p{color:var(--muted);margin:0;font-size:.97rem}
.card .num{position:absolute;top:26px;right:28px;font-family:var(--serif);color:#C9D1DF;font-size:1.1rem}
.link{font-weight:600;font-size:.92rem;text-decoration:none;color:var(--navy);border-bottom:2px solid var(--gold);padding-bottom:2px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}
.split img{height:auto;border-radius:var(--radius);width:100%;aspect-ratio:4/3.4;object-fit:cover;box-shadow:0 30px 60px rgba(10,31,68,.18)}
.ticks{list-style:none;padding:0;margin:26px 0 0}
.ticks li{padding:14px 0 14px 34px;border-top:1px solid var(--line);position:relative}
.ticks li::before{content:"";position:absolute;left:2px;top:21px;width:12px;height:7px;border-left:2px solid var(--gold-d);border-bottom:2px solid var(--gold-d);transform:rotate(-45deg)}
.ticks b{display:block;color:var(--navy)}
.ticks span{color:var(--muted);font-size:.95rem}
.band{background:var(--navy);color:#fff}
.band h2,.band h3{color:#fff}.band p{color:#C9D3E6}
.band .eyebrow{color:var(--gold-2)}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.chip{border:1px solid rgba(255,255,255,.25);padding:8px 16px;border-radius:99px;font-size:.88rem;color:#E6ECF7}
.light .chip{border-color:var(--line);color:var(--ink);background:#fff}
.pagehead{background:var(--paper);border-bottom:1px solid var(--line);padding:88px 0 72px;position:relative;overflow:hidden}
.pagehead::after{content:"";position:absolute;right:-80px;top:-40px;width:460px;height:460px;background:url(../assets/mark-color.svg) no-repeat center/contain;opacity:.06}
.pagehead h1{font-size:clamp(2.2rem,4.4vw,3.4rem);max-width:20ch}
.pagehead .lede{color:var(--muted)}
.row{display:grid;grid-template-columns:90px 1fr 1fr;gap:30px;padding:44px 0;border-top:1px solid var(--line)}
.row:last-child{border-bottom:1px solid var(--line)}
.row .n{font-family:var(--serif);font-size:2.4rem;color:var(--gold-d);line-height:1}
.row ul{margin:0;padding-left:1.1em;color:var(--muted)}
.row li{margin-bottom:6px}
.tag{display:inline-block;font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;font-weight:700;background:var(--bg-2);color:var(--gold-d);padding:4px 10px;border-radius:3px;margin-bottom:14px}
form.contact{display:grid;gap:18px}
label{font-size:.85rem;font-weight:600;color:var(--navy);display:block;margin-bottom:6px}
input,select,textarea{width:100%;font:inherit;padding:13px 14px;border:1px solid #CBD4E3;border-radius:var(--radius);background:#fff;color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:2px solid var(--gold);outline-offset:1px;border-color:var(--gold)}
.hp{position:absolute;left:-9999px}
.note{font-size:.85rem;color:var(--muted)}
dl.info{margin:0}dl.info dt{font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;color:var(--gold-d);font-weight:700;margin-top:22px}
dl.info dd{margin:4px 0 0;font-size:1.05rem}

/* footer */
footer.site{background:var(--navy-3);color:#B8C3D9;padding:70px 0 30px;font-size:.92rem}
footer.site .cols{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:46px;border-bottom:1px solid rgba(255,255,255,.1)}
footer.site img{height:44px;width:auto;margin-bottom:18px}
footer.site h4{color:#fff;font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;margin:0 0 16px}
footer.site a{text-decoration:none;display:block;padding:4px 0}footer.site a:hover{color:#fff}
.legal{padding-top:26px;font-size:.8rem;color:#8995B0;display:flex;flex-direction:column;gap:8px}

/* reveal */
.rv{opacity:0;transform:translateY(18px);transition:opacity .7s,transform .7s}.rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}

@media (max-width:960px){
  .g3,.g4{grid-template-columns:1fr 1fr}.split{grid-template-columns:1fr;gap:36px}
  .hero .wrap{grid-template-columns:1fr;gap:36px;padding-top:48px;padding-bottom:48px}.hero h1{max-width:none}
  .facts .wrap{grid-template-columns:1fr 1fr}.fact:nth-child(3){border-left:0;padding-left:0}
  footer.site .cols{grid-template-columns:1fr 1fr}.row{grid-template-columns:1fr;gap:12px}
  nav.main{position:fixed;inset:76px 0 auto 0;background:#fff;flex-direction:column;align-items:flex-start;padding:22px 24px;gap:16px;border-bottom:1px solid var(--line);display:none}
  nav.main.open{display:flex}.menu-btn{display:block}
}
@media (max-width:620px){
  body{font-size:16px}.g2,.g3,.g4{grid-template-columns:1fr}section.s{padding:68px 0}
  .hero .wrap{padding-top:80px;padding-bottom:90px}footer.site .cols{grid-template-columns:1fr}
  .brand img{height:36px}.tools .btn{display:none}
}
@media (max-width:620px){.asia-map text{font-size:23px;stroke-width:6px}.asia-map .pt circle{r:5}.hero h1{font-size:2.5rem}}