:root{--blue:#005aff;--blue-deep:#0044cc;--cyan:#22d3ee;--sky:#38bdf8;--violet:#7b6bff;--bg:#050810;--bg2:#080d1c;--surface:rgba(255,255,255,.035);--border:rgba(90,140,255,.18);--text:#e8eefc;--muted:#8791b3;--maxw:1140px;}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"Noto Serif JP","Hiragino Mincho ProN","Yu Mincho",serif;background:var(--bg);color:var(--text);line-height:1.9;letter-spacing:.02em;-webkit-font-smoothing:antialiased;overflow-x:hidden;}
.mono{font-family:"Space Grotesk",sans-serif;letter-spacing:0;}
h1,h2,h3,h4,h5,.hero h1,.stmt .big,.platform-note .k{font-family:"Noto Serif JP",serif;}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 26px;position:relative;z-index:2;}
section{padding:120px 0;position:relative;}
.grad{background:linear-gradient(100deg,var(--sky),var(--blue) 48%,var(--violet));-webkit-background-clip:text;background-clip:text;color:transparent;background-size:200% auto;animation:shine 6s linear infinite;}
@keyframes shine{to{background-position:200% center}}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-family:"Space Grotesk";font-size:12px;letter-spacing:.32em;font-weight:600;color:var(--sky);text-transform:uppercase;margin-bottom:22px;}
.eyebrow:before{content:"";width:26px;height:1px;background:linear-gradient(90deg,var(--blue),transparent);}
h2.sec{font-size:clamp(28px,4.4vw,46px);font-weight:900;line-height:1.35;letter-spacing:.01em;}
.lead{font-size:clamp(14.5px,1.5vw,17px);color:var(--muted);max-width:640px;margin-top:20px;line-height:1.9;}
.btn{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:15px;text-decoration:none;padding:16px 34px;border-radius:12px;cursor:pointer;transition:.25s;position:relative;overflow:hidden;border:none;}
.btn.primary{background:linear-gradient(100deg,var(--blue),#2b7bff);color:#fff;box-shadow:0 0 0 1px rgba(120,170,255,.4),0 12px 40px rgba(0,90,255,.45);}
.btn.primary:hover{transform:translateY(-3px);box-shadow:0 0 0 1px rgba(120,170,255,.6),0 16px 50px rgba(0,90,255,.6);}
.btn.primary:after{content:"";position:absolute;top:0;left:-120%;width:60%;height:100%;background:linear-gradient(100deg,transparent,rgba(255,255,255,.4),transparent);transform:skewX(-20deg);animation:swipe 4s ease-in-out infinite;}
@keyframes swipe{0%,60%{left:-120%}80%,100%{left:160%}}
.btn.ghost{background:rgba(255,255,255,.04);color:var(--text);border:1px solid var(--border);}
.btn.ghost:hover{border-color:var(--sky);background:rgba(56,189,248,.08);}
.bg-field{position:fixed;inset:0;z-index:0;pointer-events:none;background:radial-gradient(700px 500px at 82% 4%,rgba(0,90,255,.22),transparent 60%),radial-gradient(600px 500px at 8% 30%,rgba(123,107,255,.14),transparent 60%),radial-gradient(700px 600px at 60% 100%,rgba(34,211,238,.10),transparent 60%);}
.grid-lines{position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.5;background-image:linear-gradient(rgba(120,160,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(120,160,255,.05) 1px,transparent 1px);background-size:64px 64px;animation:drift 24s linear infinite;mask-image:radial-gradient(circle at 50% 30%,#000,transparent 90%);}
@keyframes drift{to{background-position:64px 64px}}
header{position:sticky;top:0;z-index:60;backdrop-filter:blur(14px);background:rgba(5,8,16,.55);border-bottom:1px solid rgba(90,140,255,.1);}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px;}
.logo{font-family:"Space Grotesk";font-weight:700;font-size:22px;letter-spacing:.02em;color:#fff;text-decoration:none;display:flex;align-items:center;gap:9px;}
.logo .dot{width:9px;height:9px;border-radius:50%;background:var(--blue);box-shadow:0 0 12px var(--blue),0 0 24px var(--blue);animation:pulse 2.4s ease-in-out infinite;}
@keyframes pulse{50%{box-shadow:0 0 4px var(--blue)}}
.nav-links{display:flex;gap:28px;align-items:center;}
.nav-links a{color:var(--muted);text-decoration:none;font-size:13.5px;font-weight:500;transition:.2s;}
.nav-links a:hover{color:var(--sky);}
.nav-links .btn{padding:10px 20px;font-size:13px;}
@media(max-width:940px){.nav-links a:not(.btn){display:none}}
.hero{min-height:92vh;display:flex;align-items:center;padding-top:60px;overflow:hidden;}
#net{position:absolute;inset:0;z-index:1;width:100%;height:100%;}
.hero .wrap{z-index:3;}
.hero .badge{display:inline-flex;align-items:center;gap:10px;font-family:"Space Grotesk";font-size:12px;letter-spacing:.24em;font-weight:600;color:var(--sky);border:1px solid var(--border);background:rgba(0,90,255,.08);padding:8px 18px;border-radius:999px;margin-bottom:34px;}
.hero .badge b{color:#fff;}
.hero h1{font-size:clamp(42px,7.6vw,92px);font-weight:900;line-height:1.16;letter-spacing:.005em;}
.hero p.sub{margin-top:30px;font-size:clamp(15px,1.8vw,19px);color:#bcc6e6;max-width:560px;line-height:1.9;}
.hero .cta-row{margin-top:44px;display:flex;gap:15px;flex-wrap:wrap;}
.chips{margin-top:56px;display:flex;gap:12px;flex-wrap:wrap;}
.chips .c{font-family:"Space Grotesk";font-size:13px;font-weight:600;letter-spacing:.05em;color:#cdd6f2;padding:9px 18px;border-radius:10px;border:1px solid var(--border);background:var(--surface);display:flex;align-items:center;gap:8px;}
.chips .c i{width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan);font-style:normal;}
.marquee{border-top:1px solid rgba(90,140,255,.12);border-bottom:1px solid rgba(90,140,255,.12);background:rgba(8,13,28,.6);padding:20px 0;overflow:hidden;white-space:nowrap;}
.marquee .track{display:inline-flex;gap:40px;animation:scroll 26s linear infinite;}
.marquee span{font-family:"Space Grotesk";font-size:15px;font-weight:500;color:#7f8bb0;display:inline-flex;align-items:center;gap:40px;}
.marquee span:after{content:"◆";color:var(--blue);font-size:9px;}
@keyframes scroll{to{transform:translateX(-50%)}}
.reveal{opacity:0;transform:translateY(30px);transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .8s cubic-bezier(.2,.7,.2,1);}
.reveal.in{opacity:1;transform:none;}
.reveal.d1{transition-delay:.1s}.reveal.d2{transition-delay:.2s}.reveal.d3{transition-delay:.3s}.reveal.d4{transition-delay:.4s}
.split{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:56px;}
.panel{border:1px solid var(--border);border-radius:20px;padding:40px 36px;position:relative;overflow:hidden;transition:.3s;}
.panel:hover{transform:translateY(-5px);}
.panel .tag{font-family:"Space Grotesk";font-size:12px;letter-spacing:.2em;font-weight:600;text-transform:uppercase;margin-bottom:18px;}
.panel h3{font-size:22px;font-weight:900;line-height:1.5;margin-bottom:18px;}
.panel.old{background:rgba(255,255,255,.02);}
.panel.old .tag{color:var(--muted);}
.panel.old h3{color:#c3cbe4;}
.panel.old ul{list-style:none;display:flex;flex-wrap:wrap;gap:8px;}
.panel.old li{font-size:12.5px;color:var(--muted);border:1px solid rgba(255,255,255,.08);padding:6px 12px;border-radius:8px;}
.panel.new{background:linear-gradient(155deg,rgba(0,90,255,.16),rgba(123,107,255,.08));border-color:rgba(80,140,255,.4);box-shadow:0 20px 60px rgba(0,60,180,.25);}
.panel.new:before{content:"";position:absolute;inset:0;border-radius:20px;padding:1px;background:linear-gradient(140deg,var(--sky),transparent 40%,var(--violet));-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;opacity:.6;}
.panel.new .tag{color:var(--sky);}
.panel.new h3{color:#fff;}
.panel.new ul{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:11px;}
.panel.new li{font-size:13px;color:#dbe3fb;padding-left:22px;position:relative;}
.panel.new li:before{content:"";position:absolute;left:0;top:8px;width:9px;height:9px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan);}
@media(max-width:780px){.split{grid-template-columns:1fr}.panel.new ul{grid-template-columns:1fr}}
.stmt{text-align:center;max-width:820px;margin:0 auto;}
.stmt .big{font-size:clamp(24px,3.6vw,40px);font-weight:900;line-height:1.55;}
.stmt .sm{margin-top:26px;color:var(--muted);font-size:15px;line-height:1.95;}
.flow{display:flex;align-items:stretch;margin-top:64px;}
.node{flex:1;border:1px solid var(--border);border-radius:20px;padding:34px 28px;background:var(--surface);transition:.3s;position:relative;}
.node:hover{transform:translateY(-6px);border-color:var(--sky);box-shadow:0 20px 50px rgba(0,90,255,.22);}
.node .no{font-family:"Space Grotesk";font-size:13px;color:var(--sky);font-weight:600;letter-spacing:.15em;}
.node h4{font-size:21px;font-weight:900;margin:12px 0 4px;}
.node .en{font-family:"Space Grotesk";font-size:12px;letter-spacing:.18em;color:var(--muted);text-transform:uppercase;margin-bottom:18px;}
.node p{font-size:13.5px;color:var(--muted);line-height:1.85;}
.node .fn{margin-top:20px;padding-top:16px;border-top:1px dashed rgba(120,160,255,.2);display:flex;flex-wrap:wrap;gap:7px;}
.node .fn b{font-size:11px;color:var(--muted);width:100%;font-weight:600;letter-spacing:.1em;font-family:"Space Grotesk";}
.node .fn span{font-size:12px;color:var(--sky);background:rgba(0,90,255,.1);border:1px solid var(--border);padding:4px 10px;border-radius:7px;}
.link{flex:0 0 54px;align-self:center;height:2px;background:linear-gradient(90deg,var(--blue),var(--cyan));position:relative;border-radius:2px;opacity:.5;}
.link .p{position:absolute;top:50%;left:0;width:8px;height:8px;border-radius:50%;background:#fff;box-shadow:0 0 12px var(--cyan),0 0 20px var(--blue);transform:translateY(-50%);animation:travel 2.4s ease-in-out infinite;}
@keyframes travel{0%{left:0;opacity:0}20%{opacity:1}80%{opacity:1}100%{left:100%;opacity:0}}
.platform-note{text-align:center;margin-top:48px;}
.platform-note .k{font-size:clamp(20px,2.6vw,28px);font-weight:900;}
@media(max-width:820px){.flow{flex-direction:column;gap:16px}.link{width:2px;height:36px;flex-basis:36px;background:linear-gradient(180deg,var(--blue),var(--cyan));margin:0 auto}.link .p{left:50%;top:0;transform:translateX(-50%);animation:travelV 2.4s ease-in-out infinite}@keyframes travelV{0%{top:0;opacity:0}20%{opacity:1}80%{opacity:1}100%{top:100%;opacity:0}}}
.matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:54px;}
.mx{border:1px solid var(--border);border-radius:20px;padding:32px 26px;background:var(--surface);position:relative;transition:.3s;}
.mx:hover{transform:translateY(-5px);}
.mx:before{content:"";position:absolute;top:0;left:26px;right:26px;height:3px;border-radius:3px;}
.mx.ok:before{background:linear-gradient(90deg,var(--sky),var(--cyan));box-shadow:0 0 16px rgba(56,189,248,.6);}
.mx.warn:before{background:linear-gradient(90deg,#f0a63c,#f5c880);box-shadow:0 0 16px rgba(240,166,60,.5);}
.mx.no:before{background:linear-gradient(90deg,#ff6b8a,#ff9bb0);box-shadow:0 0 16px rgba(255,107,138,.5);}
.mh{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:22px;}
.mh .b{font-size:16px;font-weight:900;}
.mh em{font-family:"Space Grotesk";font-style:normal;font-size:12px;letter-spacing:.22em;color:var(--muted);}
.mx.ok .b{color:var(--sky);}.mx.warn .b{color:#f0a63c;}.mx.no .b{color:#ff6b8a;}
.mx ul{list-style:none;display:flex;flex-direction:column;gap:13px;}
.mx li{font-size:13px;color:#cdd6ee;line-height:1.7;padding-left:24px;position:relative;}
.mx li:before{position:absolute;left:0;top:0;font-family:"Space Grotesk";font-weight:700;font-size:13px;}
.mx.ok li:before{content:"✓";color:var(--sky);}
.mx.warn li:before{content:"△";color:#f0a63c;}
.mx.no li:before{content:"✕";color:#ff6b8a;}
.mx li b{color:#fff;font-weight:700;}
.fnote{margin-top:22px;font-size:11.5px;color:#5f6a8c;text-align:center;}
.callout{margin-top:26px;border:1px solid rgba(80,140,255,.35);border-radius:16px;padding:26px 30px;background:linear-gradient(120deg,rgba(0,90,255,.13),transparent);display:flex;gap:18px;align-items:center;}
.callout .lbl{font-family:"Space Grotesk";font-size:30px;color:var(--sky);line-height:1;flex:none;}
.callout p{font-size:14.5px;color:#dbe3fb;line-height:1.8;}
.callout b{color:#fff;}
@media(max-width:820px){.matrix{grid-template-columns:1fr}.callout{flex-direction:column;align-items:flex-start;gap:12px}}
.fde-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:52px;}
.tl{display:flex;flex-direction:column;gap:12px;}
.ti{display:flex;gap:18px;align-items:center;border:1px solid var(--border);background:var(--surface);border-radius:14px;padding:18px 22px;transition:.3s;}
.ti:hover{border-color:var(--sky);transform:translateX(6px);}
.ti .n{flex:none;width:38px;height:38px;border-radius:11px;display:grid;place-items:center;font-family:"Space Grotesk";font-weight:700;color:#fff;background:linear-gradient(135deg,var(--blue),var(--violet));box-shadow:0 6px 20px rgba(0,90,255,.4);}
.ti h5{font-size:15.5px;font-weight:700;}
.ti p{font-size:12.5px;color:var(--muted);}
.fde-card{border:1px solid rgba(80,140,255,.4);border-radius:20px;padding:40px 36px;background:linear-gradient(155deg,rgba(0,90,255,.14),rgba(34,211,238,.05));display:flex;flex-direction:column;justify-content:center;}
.fde-card .q{font-size:24px;font-weight:900;line-height:1.55;}
.fde-card p{margin-top:20px;font-size:14px;color:#c7d0ee;line-height:1.9;}
@media(max-width:820px){.fde-grid{grid-template-columns:1fr}}
.contract{display:grid;grid-template-columns:1fr auto 1fr;gap:24px;align-items:center;margin-top:52px;}
.cbox{border:1px solid var(--border);border-radius:18px;padding:34px 30px;}
.cbox.now{background:linear-gradient(155deg,rgba(0,90,255,.16),rgba(123,107,255,.07));border-color:rgba(80,140,255,.4);}
.cbox .lb{font-family:"Space Grotesk";font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);margin-bottom:14px;}
.cbox.now .lb{color:var(--sky);}
.cbox .t{font-size:18px;font-weight:900;line-height:1.6;}
.cbox.past .t{color:#c3cbe4;}
.arrow{font-family:"Space Grotesk";font-size:30px;color:var(--sky);animation:nudge 1.8s ease-in-out infinite;}
@keyframes nudge{50%{transform:translateX(8px)}}
@media(max-width:820px){.contract{grid-template-columns:1fr}.arrow{transform:rotate(90deg);text-align:center}@keyframes nudge{50%{transform:rotate(90deg) translateX(8px)}}}
.three{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:50px;}
.tcard{border:1px solid var(--border);border-radius:18px;padding:34px 30px;background:var(--surface);transition:.3s;}
.tcard:hover{transform:translateY(-6px);border-color:var(--sky);box-shadow:0 18px 44px rgba(0,90,255,.2);}
.tcard .tn{font-family:"Space Grotesk";font-size:14px;color:var(--sky);font-weight:700;letter-spacing:.15em;}
.tcard h4{font-size:18px;font-weight:900;margin:12px 0 10px;line-height:1.5;}
.tcard p{font-size:13.5px;color:var(--muted);line-height:1.85;}
@media(max-width:820px){.three{grid-template-columns:1fr}}
.tasks{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:52px;}
.tc{border:1px solid var(--border);border-radius:16px;padding:30px 24px;background:var(--surface);transition:.3s;text-align:left;}
.tc:hover{transform:translateY(-6px);border-color:var(--sky);box-shadow:0 18px 44px rgba(0,90,255,.2);}
.tc .ic{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;font-family:"Space Grotesk";font-size:20px;color:var(--sky);background:rgba(0,90,255,.1);border:1px solid var(--border);margin-bottom:18px;}
.tc h5{font-size:15.5px;font-weight:700;line-height:1.5;}
@media(max-width:860px){.tasks{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.tasks{grid-template-columns:1fr}}
.final{text-align:center;overflow:hidden;}
.final .wrap{max-width:820px;}
.final h2{font-size:clamp(30px,5.2vw,58px);font-weight:900;line-height:1.35;}
.final p{margin-top:26px;font-size:17px;color:#c7d0ee;}
.final .btn{margin-top:40px;padding:19px 48px;font-size:16px;}
.orb{position:absolute;border-radius:50%;filter:blur(70px);z-index:0;}
.orb.a{width:360px;height:360px;background:rgba(0,90,255,.4);top:-80px;left:8%;animation:float 9s ease-in-out infinite;}
.orb.b{width:300px;height:300px;background:rgba(123,107,255,.32);bottom:-60px;right:10%;animation:float 11s ease-in-out infinite reverse;}
@keyframes float{50%{transform:translate(20px,-30px) scale(1.08)}}
footer{border-top:1px solid rgba(90,140,255,.12);padding:52px 0 40px;font-size:13px;color:var(--muted);background:rgba(5,8,16,.6);}
.foot-top{display:flex;justify-content:space-between;flex-wrap:wrap;gap:26px;}
.foot-top a{color:var(--sky);text-decoration:none;}
.foot-bottom{margin-top:36px;padding-top:22px;border-top:1px solid rgba(90,140,255,.1);font-size:12px;color:#5f6a8c;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;}
.equation{display:flex;align-items:center;justify-content:center;gap:22px;flex-wrap:wrap;margin-top:50px;}
.eq{border:1px solid var(--border);border-radius:18px;padding:30px 26px;background:var(--surface);text-align:center;width:220px;transition:.3s;}
.eq:hover{transform:translateY(-5px);border-color:var(--sky);box-shadow:0 16px 40px rgba(0,90,255,.2);}
.eq.hl{background:linear-gradient(155deg,rgba(0,90,255,.16),rgba(34,211,238,.06));border-color:rgba(80,140,255,.45);}
.eq .em{width:56px;height:56px;margin:0 auto 14px;border-radius:14px;display:grid;place-items:center;font-family:"Space Grotesk";font-size:26px;font-weight:700;color:var(--sky);background:rgba(0,90,255,.1);border:1px solid var(--border);}
.eq h4{font-size:16px;font-weight:900;}
.eq p{font-size:12.5px;color:var(--muted);margin-top:6px;line-height:1.7;}
.eq-op{font-family:"Space Grotesk";font-size:32px;color:var(--sky);font-weight:700;animation:pulse 2.4s ease-in-out infinite;}
@media(max-width:760px){.equation{flex-direction:column}.eq{width:100%;max-width:300px}.eq-op{transform:rotate(90deg)}}
/* hero photo