@import url("https://fonts.googleapis.com/css2?family=Syne:wght@400;700;800&family=JetBrains+Mono:wght@400;500&family=Noto+Sans+JP:wght@400;500;700&display=swap");:root{--bg:#080c14;--bg2:#0d1420;--bg3:#111827;--surface:#141c2e;--surface2:#1a2438;--border:rgba(255,255,255,0.07);--border2:rgba(255,255,255,0.13);--text:#e8edf5;--text2:#8a9bb5;--text3:#4a5568;--accent:#38bdf8;--accent2:#34d399;--font-display:"Syne",sans-serif;--font-body:"Noto Sans JP",sans-serif;--font-mono:"JetBrains Mono",monospace;--radius:14px;--radius-sm:8px;--ease:cubic-bezier(0.4,0,0.2,1)}*,:after,:before{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--font-body);background:var(--bg);color:var(--text);line-height:1.7;font-size:15px;-webkit-font-smoothing:antialiased;overflow-x:hidden}body:before{content:"";position:fixed;inset:0;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");opacity:.025;pointer-events:none;z-index:9999}a{color:inherit;text-decoration:none}.container{max-width:1000px;margin:0 auto;padding:0 28px}.nav{position:-webkit-sticky;position:sticky;top:0;z-index:200;background:rgba(8,12,20,.85);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-bottom:1px solid var(--border)}.nav-inner{display:flex;align-items:center;height:58px;max-width:1000px;margin:0 auto;padding:0 28px;gap:8px}.nav-logo{font-family:var(--font-mono);font-size:12px;font-weight:500;color:var(--accent);margin-right:auto;letter-spacing:.08em}.nav-logo span{color:var(--text3)}.nav-link{display:inline-flex;align-items:center;padding:6px 14px;font-size:13px;color:var(--text2);border-radius:6px;border:1px solid transparent;transition:all .15s var(--ease);cursor:pointer;font-family:var(--font-mono)}.nav-link:hover{color:var(--text);background:var(--surface2)}.nav-link.active{color:var(--accent);border-color:rgba(56,189,248,.3);background:rgba(56,189,248,.08)}.hero{padding:100px 0 80px;position:relative;overflow:hidden}.hero-bg{pointer-events:none;background:radial-gradient(ellipse 60% 50% at 20% 50%,rgba(56,189,248,.07) 0,transparent 70%),radial-gradient(ellipse 40% 40% at 80% 30%,rgba(167,139,250,.06) 0,transparent 70%)}.hero-bg,.hero-grid{position:absolute;inset:0}.hero-grid{background-image:linear-gradient(rgba(255,255,255,.02) 1px,transparent 0),linear-gradient(90deg,rgba(255,255,255,.02) 1px,transparent 0);background-size:48px 48px;-webkit-mask-image:radial-gradient(ellipse 80% 80% at 50% 50%,black 0,transparent 75%);mask-image:radial-gradient(ellipse 80% 80% at 50% 50%,black 0,transparent 75%)}.eyebrow{font-family:var(--font-mono);font-size:11px;color:var(--accent);letter-spacing:.15em;text-transform:uppercase;margin-bottom:20px;display:flex;align-items:center;gap:8px}.eyebrow:before{content:"";width:24px;height:1px;background:var(--accent)}.hero-title{font-family:var(--font-display);font-size:clamp(32px,6vw,58px);font-weight:800;line-height:1.1;letter-spacing:-.02em;margin-bottom:24px}.hero-title .accent{color:var(--accent)}.hero-sub{font-size:16px;color:var(--text2);max-width:520px;line-height:1.75;margin-bottom:40px}.section-title{font-family:var(--font-mono);font-size:11px;color:var(--text3);letter-spacing:.14em;text-transform:uppercase;margin-bottom:28px;display:flex;align-items:center;gap:12px}.section-title:after{content:"";flex:1 1;height:1px;background:var(--border2)}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}.card:hover{border-color:var(--border2);box-shadow:0 0 40px rgba(56,189,248,.04)}.kw-pill{display:inline-flex;align-items:center;padding:4px 12px;font-size:12px;font-family:var(--font-mono);border-radius:100px;border:1px solid;cursor:pointer;transition:all .15s var(--ease)}.kw-pill:hover{transform:translateY(-1px)}.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 24px;font-size:14px;font-weight:500;border-radius:var(--radius-sm);cursor:pointer;transition:all .15s var(--ease);font-family:var(--font-body);border:1px solid var(--border2);background:var(--surface);color:var(--text)}.btn:hover{background:var(--surface2);border-color:var(--border2)}.btn:active{transform:scale(.98)}.btn-primary{background:var(--accent);color:var(--bg);border-color:var(--accent);font-weight:700}.btn-primary:hover{background:#7dd3fc;border-color:#7dd3fc}.tip-box{border-left:2px solid;padding:10px 14px;border-radius:0 var(--radius-sm) var(--radius-sm) 0;font-size:13px;line-height:1.65;font-family:var(--font-mono)}@keyframes fadeUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse-glow{0%,to{opacity:.5}50%{opacity:1}}@keyframes flow-dash{to{stroke-dashoffset:-20}}@keyframes spin-slow{to{transform:rotate(1turn)}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-6px)}}.fade-up{animation:fadeUp .5s var(--ease) both}@media (max-width:640px){.container{padding:0 16px}.hero{padding:64px 0 52px}}