:root{
  --bg:#05060A; --bg2:#0B0D14; --fg:#F4F5F7; --muted:rgba(244,245,247,.62);
  --line:rgba(255,255,255,.08); --cyan:#5CE1FF; --mag:#FF4DB8;
  --orb:linear-gradient(135deg,#5CE1FF,#7B6CFF,#FF4DB8,#FF8A3D,#C8FF5C);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--fg);font-family:Inter,"Noto Sans SC","Noto Sans JP",system-ui,sans-serif;-webkit-font-smoothing:antialiased;line-height:1.5}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
.pill{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);border-radius:999px;padding:6px 12px;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.pill .dot{width:6px;height:6px;border-radius:50%;background:var(--orb)}
header{position:sticky;top:0;z-index:50;background:rgba(5,6,10,.78);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}
.hdr{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 24px;max-width:1200px;margin:0 auto;position:relative}
.brand{display:flex;align-items:center;gap:10px;font-size:13px;letter-spacing:.2em;font-weight:600;flex-shrink:0}
.brand img{width:28px;height:28px;border-radius:50%}
nav.main{display:flex;align-items:center;gap:22px;font-size:13px;color:var(--muted)}
nav.main a:hover,nav.main a.on{color:var(--fg)}
.hdr-right{display:flex;align-items:center;gap:10px;flex-shrink:0}
.lang{display:flex;flex-wrap:nowrap;gap:2px;background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:999px;padding:3px;white-space:nowrap}
.lang a{font-size:11px;padding:6px 10px;border-radius:999px;color:var(--muted);letter-spacing:.06em;font-weight:500;white-space:nowrap}
.lang a.active{background:rgba(255,255,255,.12);color:var(--fg)}
.hdr-cta{padding:10px 16px;border-radius:999px;background:var(--fg);color:#05060A;font-size:12px;font-weight:600;white-space:nowrap;flex-shrink:0}
.menu-btn{display:none;background:transparent;border:1px solid var(--line);color:var(--fg);border-radius:10px;padding:8px 12px;font-size:12px;flex-shrink:0;cursor:pointer}
.nav-tools{display:none}
.hero{position:relative;overflow:hidden;padding:72px 0 88px}
.hero-bg{position:absolute;inset:0;background:radial-gradient(ellipse at 70% 40%, rgba(92,225,255,.18), transparent 55%), radial-gradient(ellipse at 30% 70%, rgba(255,77,184,.14), transparent 50%), #05060A;pointer-events:none}
.hero-bg img{position:absolute;right:-6%;top:0;width:62%;max-width:780px;opacity:.85;mask-image:radial-gradient(closest-side,#000 35%,transparent 78%);-webkit-mask-image:radial-gradient(closest-side,#000 35%,transparent 78%)}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:36px;align-items:center;max-width:1200px;margin:0 auto;padding:0 24px}
.hero h1{font-size:clamp(36px,5vw,60px);line-height:1.08;font-weight:600;letter-spacing:-.03em;margin:18px 0 20px;max-width:12ch}
.hero .lead{font-size:16px;line-height:1.7;color:var(--muted);font-weight:300;max-width:36em}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 22px;border-radius:999px;font-size:13px;font-weight:600}
.btn-primary{background:var(--fg);color:#05060A}
.btn-ghost{border:1px solid var(--line);color:var(--fg)}
.hero-meta{display:flex;flex-wrap:wrap;gap:28px;margin-top:48px;padding-top:24px;border-top:1px solid var(--line)}
.hero-meta strong{display:block;font-size:20px;font-weight:600}
.hero-meta span{font-size:11px;color:var(--muted);letter-spacing:.12em;text-transform:uppercase}
.orb-stage{display:flex;justify-content:center;align-items:center;position:relative;min-height:420px}
.orb-stage .glow{position:absolute;width:min(420px,80vw);height:min(420px,80vw);border-radius:50%;background:radial-gradient(circle, rgba(92,225,255,.35), rgba(255,77,184,.18), transparent 70%);filter:blur(20px)}
.orb-stage img.orb{width:min(300px,70vw);height:auto;position:relative;z-index:2;filter:drop-shadow(0 40px 80px rgba(92,225,255,.25))}
section{padding:80px 0}
.sec-kicker{font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--cyan);margin-bottom:12px;font-weight:500}
.sec-title{font-size:clamp(28px,3.5vw,40px);font-weight:600;letter-spacing:-.025em;line-height:1.15;margin-bottom:14px}
.sec-sub{font-size:15px;line-height:1.7;color:var(--muted);font-weight:300;max-width:46em}
.biz{background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.biz-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:18px;margin-top:40px}
.biz-card{position:relative;overflow:hidden;border:1px solid var(--line);border-radius:24px;min-height:300px;background:#0E1018}
.biz-card.primary{grid-row:span 2;min-height:620px}
.biz-card img.bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.55}
.biz-card::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg, rgba(5,6,10,.12) 0%, rgba(5,6,10,.55) 45%, rgba(5,6,10,.92) 100%)}
.biz-body{position:relative;z-index:2;padding:28px;height:100%;display:flex;flex-direction:column;justify-content:flex-end}
.biz-num{font-size:12px;letter-spacing:.2em;color:var(--cyan);margin-bottom:8px}
.biz-body h3{font-size:clamp(20px,2.2vw,28px);font-weight:600;letter-spacing:-.02em;margin-bottom:10px}
.biz-body p{font-size:14px;line-height:1.65;color:var(--muted);font-weight:300}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tags span{font-size:11px;letter-spacing:.06em;padding:5px 10px;border-radius:999px;border:1px solid rgba(92,225,255,.35);color:#B9F3FF}
.side-stack{display:grid;gap:18px}
.services-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:18px}
.svc{border:1px solid var(--line);border-radius:20px;padding:24px;background:rgba(255,255,255,.02);min-height:180px}
.svc .ico{width:40px;height:40px;border-radius:12px;overflow:hidden;margin-bottom:14px}
.svc .ico img{width:100%;height:100%;object-fit:cover}
.svc h4{font-size:16px;font-weight:600;margin-bottom:8px}
.svc p{font-size:13px;line-height:1.6;color:var(--muted);font-weight:300}
.legacy-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:28px}
.legacy .biz-card{min-height:240px}
.legacy .biz-num{color:var(--muted)}
.legacy-note{margin-top:14px;font-size:12px;color:rgba(244,245,247,.4)}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.about-panel{border:1px solid var(--line);border-radius:24px;overflow:hidden;min-height:380px;position:relative}
.about-panel img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.75}
.facts{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:24px}
.fact{border:1px solid var(--line);border-radius:14px;padding:14px 16px;background:rgba(255,255,255,.02)}
.fact strong{display:block;font-size:17px;margin-bottom:2px}
.fact span{font-size:11px;color:var(--muted);letter-spacing:.1em;text-transform:uppercase}
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:18px}
.card{border:1px solid var(--line);border-radius:24px;padding:32px;background:rgba(255,255,255,.02)}
.card h2{font-size:28px;margin:8px 0 18px;letter-spacing:-.02em}
.card dt{color:var(--cyan);font-size:11px;letter-spacing:.14em;text-transform:uppercase;margin-top:14px}
.card dd{color:var(--muted);font-weight:300;font-size:14px;line-height:1.7}
.cta-panel{border-radius:24px;padding:32px;background:linear-gradient(160deg, rgba(92,225,255,.16), rgba(255,77,184,.12)), #0E1018;border:1px solid rgba(92,225,255,.25);display:flex;flex-direction:column;justify-content:center}
.cta-panel h3{font-size:22px;margin-bottom:10px}
.cta-panel p{font-size:14px;color:var(--muted);line-height:1.65;font-weight:300;margin-bottom:22px}
.page-hero{padding:72px 0 40px;border-bottom:1px solid var(--line)}
.page-hero h1{font-size:clamp(32px,4vw,48px);letter-spacing:-.03em;margin:12px 0 14px}
.stack{display:grid;gap:16px;margin-top:28px}
.job{border:1px solid var(--line);border-radius:18px;padding:22px;background:rgba(255,255,255,.02)}
.job h3{font-size:18px;margin-bottom:6px}
.job p{font-size:14px;color:var(--muted);font-weight:300;line-height:1.6}
footer{border-top:1px solid var(--line);padding:28px 0 40px;color:rgba(244,245,247,.4);font-size:12px}
.foot{max-width:1200px;margin:0 auto;padding:0 24px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;align-items:center}
@media (max-width:900px){
  .hdr{padding:12px 16px;gap:10px}
  .brand span{letter-spacing:.12em}
  .menu-btn{display:inline-flex;align-items:center;margin-left:auto}
  .hdr-right{display:none} /* lang + Contact live inside the menu on mobile */
  nav.main{display:none}
  nav.main.open{
    display:flex;flex-direction:column;align-items:stretch;
    position:absolute;left:0;right:0;top:100%;
    background:#0B0D14;border-bottom:1px solid var(--line);
    padding:16px;gap:4px;z-index:60;box-shadow:0 18px 40px rgba(0,0,0,.45)
  }
  nav.main.open > a{padding:12px 8px;border-bottom:1px solid var(--line);font-size:15px;color:var(--fg)}
  nav.main.open > a:last-of-type{border-bottom:0}
  .nav-tools{display:flex;flex-direction:column;gap:14px;margin-top:14px;padding-top:14px;border-top:1px solid var(--line)}
  .nav-tools .lang{align-self:flex-start}
  .nav-tools .hdr-cta{display:inline-flex;justify-content:center;text-align:center;width:100%}
  .hero-grid{grid-template-columns:1fr}
  .orb-stage{min-height:280px;order:-1}
  .hero-bg img{width:100%;right:0;opacity:.45}
  .biz-grid,.services-3,.legacy-row,.about-grid,.contact-grid{grid-template-columns:1fr}
  .biz-card.primary{grid-row:auto;min-height:360px}
}