:root{--ink:#16202b;--ink2:#1e2b39;--paper:#f6f7f9;--paper2:#eef1f4;--line:#e1e5ea;--muted:#697586;--red:#ED1C24;--card:#fff;--wrap:1180px}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Source Serif 4',Georgia,serif;background:var(--paper);color:var(--ink);line-height:1.6;font-size:17px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit}
.disp,h1,h2,h3,h4{font-family:Archivo,'Noto Sans JP',sans-serif;letter-spacing:-.02em;line-height:1.1}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.eyebrow{font-family:Archivo,'Noto Sans JP',sans-serif;font-size:.72rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--red)}
/* nav */
.nav{position:sticky;top:0;z-index:50;background:var(--ink);color:#fff}
.nav-in{display:flex;align-items:center;justify-content:space-between;min-height:64px;gap:16px}
.brand{font-family:Archivo,sans-serif;font-weight:800;font-size:1.2rem;letter-spacing:-.03em;color:#fff;text-decoration:none}
.brand b{color:var(--red)}
.menu{display:flex;align-items:center;gap:20px}
.menu>a{font-family:Archivo,'Noto Sans JP',sans-serif;font-size:.86rem;font-weight:600;color:#b7bfca;text-decoration:none;transition:color .15s;white-space:nowrap}
.menu>a:hover,.menu>a.on{color:#fff}
.langs{display:flex;gap:2px;margin-left:8px;padding-left:14px;border-left:1px solid #33404f}
.langs a{font-size:.74rem;font-weight:700;color:#8b94a2;text-decoration:none;padding:5px 8px;border-radius:6px}
.langs a.on{background:var(--red);color:#fff}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.burger span{width:24px;height:2px;background:#fff;display:block}
@media(max-width:940px){
  .burger{display:flex}
  .menu{position:absolute;top:64px;left:0;right:0;flex-direction:column;align-items:flex-start;background:var(--ink);padding:10px 24px 20px;gap:2px;transform:translateY(-130%);transition:transform .25s;box-shadow:0 20px 40px -20px rgba(0,0,0,.5)}
  .menu.open{transform:translateY(0)}
  .menu>a{padding:12px 0;width:100%;border-bottom:1px solid #2a3644;font-size:1rem}
  .langs{border:0;margin:12px 0 0;padding:0}
}
/* sections */
.section{padding:80px 0}
.section.tight{padding:52px 0}
.on-ink{background:var(--ink);color:#fff}
.on-ink .muted,.on-ink p{color:#c4ccd6}
.on-paper2{background:var(--paper2)}
.shead{max-width:46rem;margin-bottom:36px}
.shead h2{font-size:clamp(1.8rem,3.4vw,2.7rem);margin-top:12px}
.shead p{color:var(--muted);margin-top:14px;font-size:1.08rem}
.lede{font-size:1.2rem;color:var(--muted);line-height:1.55}
.prose{max-width:62rem}
.prose p{margin:0 0 1.2rem}
.prose h2,.prose h3{margin:2rem 0 .8rem}
.btn{display:inline-flex;align-items:center;gap:8px;font-family:Archivo,sans-serif;font-weight:700;font-size:.92rem;padding:13px 22px;border-radius:100px;text-decoration:none;border:1.5px solid transparent;cursor:pointer;transition:.18s}
.btn-primary{background:var(--red);color:#fff}.btn-primary:hover{background:#c8141b}
.btn-ghost{border-color:#c9ccd2;color:var(--ink)}.btn-ghost:hover{border-color:var(--ink);background:var(--ink);color:#fff}
.btn-ghost.on-ink{border-color:#45505f;color:#fff}.btn-ghost.on-ink:hover{background:#fff;color:var(--ink)}
/* hero */
.hero{background:var(--ink);color:#fff;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:radial-gradient(60% 80% at 85% 10%,rgba(237,28,36,.16),transparent 60%)}
.hero .wrap{position:relative;padding:84px 24px}
.hero h1{font-size:clamp(2.2rem,5.2vw,3.8rem);max-width:18ch}
.hero p{color:#c4ccd6;font-size:1.2rem;max-width:44ch;margin-top:18px}
.hero .acts{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
/* grid + cards */
.grid{display:grid;gap:22px}
.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
@media(max-width:900px){.g3,.g4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.g3,.g4{grid-template-columns:1fr}}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:26px;transition:.18s}
.card:hover{transform:translateY(-3px);box-shadow:0 18px 40px -26px rgba(20,32,43,.4)}
.card h3{font-size:1.2rem;margin-bottom:8px}
.card p{color:var(--muted);font-size:1rem}
.card .k{font-family:Archivo,sans-serif;font-size:.72rem;font-weight:700;color:var(--red);letter-spacing:.12em;text-transform:uppercase}
/* board */
.board{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:22px}
.pcard{background:var(--card);border:1px solid var(--line);border-radius:12px;overflow:hidden;transition:.18s}
.pcard:hover{transform:translateY(-4px);box-shadow:0 18px 40px -26px rgba(20,32,43,.4)}
.pcard .ph{aspect-ratio:1/1;background:#e9ecf0;overflow:hidden}
.pcard .ph img{width:100%;height:100%;object-fit:cover}
.pcard .b{padding:15px}
.pcard h3{font-size:1rem}
.pcard .role{font-family:Archivo,'Noto Sans JP',sans-serif;font-size:.8rem;color:var(--red);font-weight:600;margin-top:5px}
/* footer */
.foot{background:var(--ink);color:#8b94a2}
.foot-in{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;padding:56px 24px 24px}
.foot .brand{color:#fff}
.foot-tag{font-size:.92rem;margin-top:10px;max-width:32ch}
.foot-links{display:flex;flex-wrap:wrap;gap:8px 22px;align-content:flex-start;max-width:520px}
.foot-links a{font-family:Archivo,'Noto Sans JP',sans-serif;font-size:.9rem;color:#c4ccd6;text-decoration:none}
.foot-links a:hover{color:var(--red)}
.foot-bottom{border-top:1px solid #2a3644;font-family:Archivo,sans-serif;font-size:.78rem;text-align:center;padding:18px;color:#6f7885}
.reveal{opacity:1}