:root{--bg:#0b0d10;--panel:#12161b;--text:#f5f5f3;--muted:#a8adb5;--gold:#d7b56d;--line:#292f36}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans JP",sans-serif;background:#f7f7f5;color:#17191c;line-height:1.75}header{height:72px;display:flex;align-items:center;justify-content:space-between;padding:0 max(6vw,24px);background:rgba(11,13,16,.96);position:sticky;top:0;z-index:5}.brand{font-weight:800;letter-spacing:.12em;color:white;text-decoration:none}.brand span{color:var(--gold)}nav{display:flex;gap:24px}nav a,footer a{color:#ddd;text-decoration:none;font-size:14px}.hero{min-height:78vh;background:radial-gradient(circle at 80% 20%,#26303a 0,#0b0d10 42%);color:white;display:grid;grid-template-columns:1.25fr .75fr;align-items:center;gap:8vw;padding:10vw max(7vw,28px)}h1{font-size:clamp(40px,6vw,78px);line-height:1.2;margin:.2em 0}.lead,.intro{font-size:clamp(17px,2vw,21px);max-width:780px}.eyebrow{color:var(--gold);font-weight:800;letter-spacing:.18em;font-size:12px}.button{display:inline-block;margin-top:18px;padding:12px 22px;border:1px solid var(--gold);color:inherit;text-decoration:none}.hero-card{border:1px solid #39414a;padding:48px 28px;display:flex;flex-direction:column;background:rgba(255,255,255,.03)}.hero-card span{color:var(--gold);font-size:12px;letter-spacing:.15em}.hero-card strong{font-size:clamp(34px,5vw,64px)}.hero-card small{color:var(--muted)}.section{padding:100px max(7vw,28px)}.section h2{font-size:clamp(34px,5vw,58px);margin:.1em 0 .4em}.dark{background:var(--bg);color:var(--text)}.screens{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:50px 0}.screens img{width:100%;border:1px solid var(--line);border-radius:10px;box-shadow:0 18px 50px rgba(0,0,0,.3)}.features{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);margin-top:50px}.features article{background:var(--panel);padding:32px}.features b{color:var(--gold)}.features h3{font-size:22px;margin:.4em 0}.features p{color:var(--muted)}.status{margin-top:34px;color:var(--gold)}.contact{background:#ecebe6}.contact .button{color:#17191c}footer{background:var(--bg);color:#aaa;display:flex;justify-content:space-between;gap:20px;padding:28px max(7vw,28px);font-size:13px}footer div:last-child{display:flex;gap:20px}@media(max-width:760px){header{height:64px}nav{display:none}.hero{grid-template-columns:1fr;min-height:auto;padding-top:90px;padding-bottom:80px}.hero-card{padding:32px 22px}.screens{grid-template-columns:1fr;max-width:460px;margin-left:auto;margin-right:auto}.features{grid-template-columns:1fr}.section{padding-top:72px;padding-bottom:72px}footer{flex-direction:column}}