*{box-sizing:border-box}
html,body{margin:0;background:#faf7f0;color:#101820;font-family:system-ui,-apple-system,'Hiragino Kaku Gothic ProN','Yu Gothic',sans-serif;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
.mincho{font-family:'Hiragino Mincho ProN','Yu Mincho',serif}

/* lab top bar */
.labbar{position:fixed;top:0;left:0;right:0;z-index:30;display:flex;align-items:center;justify-content:space-between;padding:12px 24px;background:rgba(8,30,36,.55);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);color:#fff;font-size:12px;letter-spacing:.04em}
.labbar .en{font-weight:600;letter-spacing:.22em}
.labbar a{border:1px solid rgba(255,255,255,.4);padding:6px 12px;border-radius:16px;font-size:12px}
.labbar a:hover{background:#fff;color:#101820}

/* shared hero copy */
.h-eyebrow{font-size:11px;letter-spacing:.24em;color:#9fd3d8;margin:0 0 16px;font-weight:600}
.h-prism{display:inline-flex;align-items:center;gap:9px;margin:0 0 6px}
.h-prism svg{width:22px;height:18px}
.h-prism span{font-size:12px;letter-spacing:.22em;color:#fff;font-weight:600}
.h-h1{font-weight:700;font-size:48px;line-height:1.42;letter-spacing:.04em;color:#fff;margin:0 0 22px}
.h-sub{font-size:15px;line-height:2;color:#d7e6e7;max-width:560px;margin:0 0 30px}
.pill{display:inline-flex;align-items:center;gap:10px;padding:14px 24px;border-radius:26px;border:1px solid #fff;background:#fff;color:#101820;font-size:14px;transition:.2s}
.pill:hover{background:transparent;color:#fff}
.pill.ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.pill.ghost:hover{background:#fff;color:#101820}
.pill-row{display:flex;gap:14px;flex-wrap:wrap}

/* ===== A: GraphicLed ===== */
.hero-g{position:relative;min-height:100vh;overflow:hidden;display:flex;align-items:center;background:#0c2e36}
.hero-g canvas{position:absolute;inset:0;width:100%;height:100%;z-index:0;display:block}
.hero-g .scrim{position:absolute;inset:0;z-index:1;background:linear-gradient(90deg,rgba(8,28,34,.78) 0%,rgba(8,28,34,.45) 42%,rgba(8,28,34,0) 78%)}
.hero-g .copy{position:relative;z-index:2;max-width:1100px;margin:0 auto;width:100%;padding:0 28px}
.hero-g .scrollhint{position:absolute;left:50%;bottom:22px;transform:translateX(-50%);z-index:2;color:#cfe6e8;font-size:11px;letter-spacing:.18em}

/* ===== B: Split ===== */
.hero-s{display:grid;grid-template-columns:1.05fr .95fr;min-height:100vh;background:#0c3b44}
.hero-s .left{display:flex;flex-direction:column;justify-content:center;padding:0 56px;background:linear-gradient(135deg,#0e4f5a 0%,#0c3b44 70%,#0a2a31 100%)}
.hero-s .right{position:relative;overflow:hidden}
.hero-s .right canvas{position:absolute;inset:0;width:100%;height:100%;display:block}
.hero-s .right .edge{position:absolute;inset:0;z-index:1;background:linear-gradient(90deg,#0c3b44 0%,rgba(12,59,68,0) 22%)}

/* 3事業ストリップ（何屋か直下回収） */
.biz{background:#faf7f0;padding:64px 28px}
.biz .inner{max-width:1100px;margin:0 auto}
.biz .lead{font-size:13px;letter-spacing:.04em;color:#5a5f66;margin:0 0 8px}
.biz h2{font-weight:700;font-size:22px;margin:0 0 26px;color:#101820}
.biz .cards{display:grid;gap:16px;grid-template-columns:repeat(3,1fr)}
.biz .card{border:1px solid rgba(120,110,90,.22);background:#fff;padding:22px}
.biz .card .n{font-size:11px;letter-spacing:.2em;color:#0e4f5a;display:block;margin-bottom:8px}
.biz .card h3{margin:0 0 8px;font-size:15.5px}
.biz .card p{margin:0;font-size:13.5px;line-height:1.85;color:#2b333b}

@media(max-width:760px){
  .h-h1{font-size:30px;line-height:1.5}
  .hero-s{grid-template-columns:1fr}
  .hero-s .left{padding:104px 22px 40px}
  .hero-s .right{min-height:300px}
  .hero-g .scrim{background:linear-gradient(180deg,rgba(8,28,34,.7),rgba(8,28,34,.45))}
  .biz .cards{grid-template-columns:1fr}
}