/* Hiyu: responsive, dependency-free motion landing page. */
/* Explicit Japanese sans fallback and independently moving connection signals. */
body{font-family:Inter,"Helvetica Neue",Arial,"Hiragino Kaku Gothic ProN","Noto Sans JP","Noto Sans CJK JP",sans-serif!important}
.signals{animation:none!important}.signals path{animation:signal 5s linear infinite}
.signals path:nth-child(2){animation-delay:-1.3s}.signals path:nth-child(3){animation-delay:-2.6s}.signals path:nth-child(4){animation-delay:-3.9s}
@media(max-width:760px){.diagram-core ul{grid-template-columns:repeat(2,1fr)!important}.diagram-core li{font-size:10px!important}}
:root{--bg:#101210;--panel:#191c17;--text:#f1f3e9;--muted:#a6aea1;--lime:#d2ff5a;--line:#34392e;--gutter:clamp(22px,5vw,80px);color-scheme:dark}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,"Helvetica Neue",Arial,"Hiragino Kaku Gothic ProN","Noto Sans JP",sans-serif;-webkit-font-smoothing:antialiased;line-height:1.75}a{color:inherit}button{font:inherit}button,a{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible{outline:2px solid var(--lime);outline-offset:6px}h1,h2,h3,p{margin:0}h1,h2,h3{text-wrap:balance;word-break:auto-phrase}::selection{background:var(--lime);color:var(--bg)}.section{padding-left:var(--gutter);padding-right:var(--gutter);max-width:1600px;margin:auto}.accent{color:var(--lime)}.muted{color:var(--muted)}.skip{position:fixed;top:-80px;left:20px;z-index:20;background:var(--lime);color:var(--bg);padding:12px}.skip:focus{top:20px}.reading-progress{height:3px;background:var(--lime);position:fixed;top:0;left:0;width:100%;transform:scaleX(0);transform-origin:left;z-index:15;pointer-events:none}
.header{display:flex;align-items:center;gap:28px;padding:24px var(--gutter);border-bottom:1px solid var(--line);max-width:1600px;margin:auto}.brand{display:inline-flex;align-items:baseline;gap:5px;text-decoration:none;font-size:38px;font-weight:850;letter-spacing:-3px;line-height:1}.brand-dot{width:8px;height:8px;border-radius:50%;background:var(--lime)}.header nav{margin-left:auto;display:flex;align-items:center;gap:32px}.header nav a{text-decoration:none;font-size:12px;font-weight:650;transition:color .2s}.header nav a:hover{color:var(--lime)}.header .nav-cta{border:1px solid var(--line);padding:10px 18px;border-radius:30px}.motion-toggle{background:none;color:var(--muted);border:0;cursor:pointer;font-size:10px;padding:10px 0;white-space:nowrap;min-height:44px}.motion-toggle:disabled{cursor:default}
.hero{display:grid;grid-template-columns:1fr 1fr;position:relative;padding-top:76px;padding-bottom:28px;overflow:hidden}.eyebrow{font:600 11px/1.5 ui-monospace,SFMono-Regular,Consolas,monospace;letter-spacing:.12em}.hero .eyebrow{display:flex;align-items:center;gap:10px;margin-bottom:30px}.status-dot{width:7px;height:7px;background:var(--lime);border-radius:50%;box-shadow:0 0 16px #d2ff5a66}.hero h1{font-size:clamp(44px,5.4vw,82px);font-weight:800;line-height:1.24;letter-spacing:-.065em}.hero-lead{color:var(--muted);font-size:15px;line-height:2;margin-top:26px}.actions{display:flex;flex-wrap:wrap;align-items:center;gap:24px;margin-top:34px}.button{display:inline-flex;align-items:center;justify-content:space-between;gap:30px;padding:17px 22px;font-size:12px;font-weight:750;border-radius:4px;text-decoration:none;transition:transform .25s,background .25s;min-height:48px}.button:hover{transform:translateY(-3px)}.primary{background:var(--lime);color:var(--bg)}.primary:hover{background:#e1ff90}.button span{font-size:20px;line-height:1}.text-link{font-size:11px;text-decoration:none;display:inline-flex;gap:18px;align-items:center;min-height:44px}.text-link:hover{color:var(--lime)}.hero-caption{margin-top:36px;color:#8a9481;font:10px ui-monospace,monospace;letter-spacing:.1em}.hero-bottom{grid-column:1/-1;display:flex;justify-content:space-between;border-top:1px solid var(--line);padding-top:22px;margin-top:45px;color:var(--muted);font:10px ui-monospace,monospace;letter-spacing:.08em}.hero-bottom a{text-decoration:none}
.network{position:relative;aspect-ratio:1;align-self:center;width:100%;max-width:650px;margin-top:-32px;isolation:isolate}.network-grid{position:absolute;inset:4%;z-index:-1;background-image:linear-gradient(#d2ff5a09 1px,transparent 1px),linear-gradient(90deg,#d2ff5a09 1px,transparent 1px);background-size:36px 36px;mask-image:radial-gradient(circle,#000,transparent 70%)}.network::before{content:"";position:absolute;inset:15%;background:radial-gradient(circle,#d2ff5a0c,transparent 68%);border-radius:50%}.connections{width:100%;height:100%;position:absolute;inset:0;fill:none}.routes{stroke:#626e45;stroke-width:1}.signals{stroke:url(#signal);stroke-width:2;stroke-dasharray:12 360;animation:signal 5s linear infinite}.signals path:nth-child(2){stroke-dashoffset:100}.signals path:nth-child(3){stroke-dashoffset:200}.signals path:nth-child(4){stroke-dashoffset:300}.outer-ring{stroke:#d2ff5a38;stroke-dasharray:2 9;transform-origin:300px 300px;animation:rotate 90s linear infinite}.inner-ring{stroke:#d2ff5a55}.orbit{position:absolute;border:1px solid #b5c69b18;inset:8%;border-radius:50%;transform:rotate(-30deg) scaleY(.6)}.orbit-two{inset:0;transform:rotate(40deg) scaleY(.6)}.orbit-one::after{content:"";position:absolute;top:18%;left:12%;width:8px;height:8px;border-radius:50%;background:var(--lime);box-shadow:0 0 20px #d2ff5a99;animation:breathe 4s ease-in-out infinite}.network-core{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:30%;aspect-ratio:1;display:flex;flex-direction:column;justify-content:center;align-items:center;border-radius:50%;background:radial-gradient(circle at 40% 20%,#333f23,#161e10 75%);border:1px solid #d2ff5a77;box-shadow:0 0 80px #d2ff5a0c,inset 0 0 24px #d2ff5a0b}.network-core strong{font-size:clamp(28px,4vw,58px);letter-spacing:-.08em;line-height:1.2}.network-core>span:last-child{font:7px ui-monospace,monospace;letter-spacing:.14em;color:var(--lime);margin-top:12px}.core-mark{font-size:32px;color:var(--lime);line-height:1}.network-label{position:absolute;display:flex;align-items:center;gap:12px;background:#181d15;padding:12px 16px;border:1px solid #465237;border-radius:6px;box-shadow:0 12px 35px #0004;font-size:13px;font-weight:650;animation:float 7s ease-in-out infinite}.network-label small{display:block;font-size:9px;font-weight:400;color:var(--muted);margin-top:2px}.node-symbol{font-size:24px;color:var(--lime)}.label-one{left:3%;top:19%}.label-two{right:0;top:15%;animation-delay:-2s}.label-three{left:0;top:62%;animation-delay:-4s}.label-four{right:0;top:67%;animation-delay:-1s}.network-caption{position:absolute;bottom:5%;left:50%;transform:translateX(-50%);white-space:nowrap;color:var(--muted);font:8px ui-monospace,monospace;letter-spacing:.13em}.network.is-paused *,.network.is-paused *::after{animation-play-state:paused!important}
.model-strip{border-block:1px solid var(--line);padding:22px var(--gutter);display:flex;justify-content:center;align-items:center;gap:45px;background:#171a14}.model-strip>span{font:9px ui-monospace,monospace;color:var(--muted);letter-spacing:.12em}.model-strip p{font-size:17px;white-space:nowrap;color:#d3d9c9}.model-strip i{font-style:normal;color:var(--lime);margin:0 24px;font-size:15px}
.why,.future{padding-top:110px;padding-bottom:110px}.section-heading{display:grid;grid-template-columns:1.25fr 1fr;gap:18px 60px;align-items:end}.section-heading>.eyebrow{grid-column:1/-1;color:var(--lime);margin-bottom:8px}.section-heading h2,.layer h2{font-size:clamp(32px,3.7vw,54px);line-height:1.4;letter-spacing:-.05em;font-weight:750}.section-heading>p:last-child{color:var(--muted);font-size:14px;padding-bottom:6px;line-height:2}.reason-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:48px}.reason-card{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:26px;transition:border-color .3s,transform .3s}.reason-card:hover{border-color:#7a8e55;transform:translateY(-5px)}.card-top{display:flex;justify-content:space-between;align-items:center;font:9px ui-monospace,monospace;letter-spacing:.08em;color:var(--muted)}.card-top>span:last-child{font-size:20px;color:var(--lime)}.reason-card h3{font-size:22px;line-height:1.6;letter-spacing:-.03em;margin-bottom:16px}.reason-card>p{font-size:12px;line-height:2;color:var(--muted)}.choice-visual,.bars-visual,.trust-visual{height:130px;display:flex;align-items:center;justify-content:center;gap:20px;margin:15px 0 24px;color:var(--lime)}.choice-visual span:not(:nth-child(2)){border:1px solid #5b6846;width:64px;height:64px;border-radius:14px;display:grid;place-items:center;font:25px ui-monospace,monospace;transform:rotate(-8deg)}.choice-visual span:nth-child(2){font-size:25px}.choice-visual span:last-child{transform:rotate(8deg);background:#d2ff5a0b}.bars-visual{gap:10px;align-items:flex-end;padding-bottom:30px;position:relative}.bars-visual i{width:24px;background:linear-gradient(var(--lime),#7b9843);border-radius:4px 4px 0 0;height:45px}.bars-visual i:nth-child(2){height:75px}.bars-visual i:nth-child(3){height:55px}.bars-visual i:nth-child(4){height:90px}.bars-visual span{position:absolute;bottom:6px;font:8px ui-monospace,monospace;letter-spacing:.16em}.trust-visual{flex-direction:column;gap:8px}.trust-visual>span{width:65px;height:70px;border:1px solid #7b9843;border-radius:28px 28px 40px 40px;display:grid;place-items:center;font-size:27px;background:#d2ff5a0a}.trust-visual small{font:8px ui-monospace,monospace;letter-spacing:.14em}
.layer{padding-top:85px;padding-bottom:85px;display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:radial-gradient(ellipse at 90% 50%,#d2ff5a05,transparent 60%)}.layer-copy .eyebrow{color:var(--lime);margin-bottom:28px}.layer h2 .accent{display:block}.layer-copy>p:not(.eyebrow){font-size:13px;color:var(--muted);line-height:2.2;margin:24px 0 30px}.layer-diagram{text-align:center}.diagram-top{border:1px solid var(--line);padding:20px;border-radius:8px}.diagram-top>span{font:9px ui-monospace,monospace;color:var(--muted);letter-spacing:.1em}.diagram-top p{font-size:12px;margin-top:12px}.diagram-connector{height:30px;display:flex;justify-content:space-around;padding:0 12%}.diagram-connector i{height:100%;width:1px;background:linear-gradient(#5d703b,var(--lime));position:relative}.diagram-connector i::after{content:"";width:4px;height:7px;background:var(--lime);position:absolute;left:-1.5px;top:0;animation:travel 2.6s linear infinite}.diagram-connector i:nth-child(2)::after{animation-delay:-1s}.diagram-connector i:nth-child(3)::after{animation-delay:-2s}.diagram-core{background:var(--lime);color:var(--bg);padding:24px;border-radius:8px}.diagram-core>div{display:flex;justify-content:space-between;align-items:center;gap:12px}.diagram-core strong{font-size:40px;letter-spacing:-3px;line-height:1}.diagram-core strong span{font-size:32px;font-weight:400;margin-left:8px}.diagram-core>div>span{font:7px ui-monospace,monospace;letter-spacing:.05em}.diagram-core ul{display:grid;grid-template-columns:repeat(4,1fr);gap:7px;margin:20px 0 0;padding:0;list-style:none}.diagram-core li{border:1px solid #10121033;border-radius:3px;padding:10px 3px;font-size:9px;display:grid;align-items:center;line-height:1.4}.infra-picker{border:1px solid var(--line);border-radius:8px;padding:20px}.infra-picker>p:first-child{font-size:10px;color:var(--muted);margin-bottom:14px}.infra-buttons{display:flex;gap:8px}.infra-buttons button{flex:1;padding:10px 4px;font-size:11px;color:var(--text);background:transparent;border:1px solid var(--line);border-radius:4px;cursor:pointer;transition:background .2s,color .2s;min-height:44px}.infra-buttons button[aria-pressed="true"]{background:#2d3820;border-color:#7d9652;color:var(--lime)}.infra-buttons button:hover{border-color:var(--lime)}.infra-description{font-size:11px;color:var(--muted);margin-top:16px;min-height:3.5em;text-wrap:balance}.diagram-note{font-size:9px;color:var(--muted);margin-top:14px}
.future .eyebrow{color:var(--lime)}.underline{text-decoration:underline;text-decoration-color:var(--lime);text-underline-offset:10px;text-decoration-thickness:2px}.journey{list-style:none;margin:50px 0 0;padding:0}.journey li{border-top:1px solid var(--line);padding:32px 0;display:grid;grid-template-columns:100px 1fr 50px;gap:25px;align-items:center}.journey li:last-child{border-bottom:1px solid var(--line)}.journey-number{font-size:55px;font-weight:300;letter-spacing:-.06em;color:#738062}.journey .eyebrow{font-size:9px;margin-bottom:8px;color:var(--muted)}.journey h3{font-size:24px;letter-spacing:-.04em;margin-bottom:8px}.journey li>div>p:last-child{font-size:12px;color:var(--muted)}.journey-arrow{font-size:36px;color:var(--lime);transition:transform .3s}.journey li:hover .journey-arrow{transform:translate(5px,-5px)}
.closing{background:var(--lime);color:var(--bg);padding-top:70px;padding-bottom:56px;position:relative;overflow:hidden;isolation:isolate}.closing>.eyebrow{margin-bottom:32px}.closing h2{font-size:clamp(42px,6.8vw,100px);font-weight:800;line-height:1.35;letter-spacing:-.06em}.closing h2 span{-webkit-text-stroke:1.5px var(--bg);color:transparent}.closing-bottom{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-top:40px}.closing-bottom p{font-size:12px;line-height:2}.dark{background:var(--bg);color:var(--lime)}.dark:hover{background:#2e3823}.dark:focus-visible{outline-color:var(--bg)}.closing-watermark{position:absolute;right:-12px;bottom:-90px;font-size:380px;line-height:1;font-weight:850;letter-spacing:-35px;opacity:.06;z-index:-1;pointer-events:none}.footer{display:flex;justify-content:space-between;align-items:start;gap:24px;padding-top:40px;padding-bottom:40px}.footer>div{font-size:10px;color:var(--muted)}.footer>div p+p{margin-top:8px}.footer>div a{text-decoration:none;color:var(--text)}.product-status{font-size:10px;color:var(--muted);line-height:2}
@keyframes signal{to{stroke-dashoffset:-744}}@keyframes rotate{to{transform:rotate(360deg)}}@keyframes float{50%{transform:translateY(-7px)}}@keyframes breathe{50%{opacity:.35}}@keyframes travel{to{top:85%;opacity:0}}
.motion-ready .reveal{opacity:0;transform:translateY(24px);transition:opacity .65s ease,transform .65s ease}.motion-ready .reveal.is-visible{opacity:1;transform:none}.reason-card:nth-child(2){transition-delay:.07s}.reason-card:nth-child(3){transition-delay:.14s}
body.motion-off *,body.motion-off *::before,body.motion-off *::after{animation:none!important;transition:none!important}body.motion-off .reveal{opacity:1;transform:none}html:has(body.motion-off){scroll-behavior:auto}
@media(min-width:1601px){.closing{border-radius:12px}.model-strip{max-width:1600px;margin:auto}}
@media(max-width:1100px){.header{gap:18px}.header nav{gap:20px}.hero{padding-top:55px}.hero h1{font-size:54px}.hero .actions{gap:20px}.network-label{padding:9px 10px;gap:8px;font-size:11px}.node-symbol{font-size:19px}.network-core>span:last-child{font-size:6px}.model-strip{gap:24px}.model-strip p{font-size:14px}.model-strip i{margin:0 12px}.layer{gap:32px}.reason-card{padding:22px}.reason-card h3{font-size:20px}}
@media(max-width:760px){html{scroll-padding-top:25px}.header{padding-block:20px;gap:14px}.brand{font-size:33px}.header nav{gap:18px}.header nav a{font-size:11px}.header .nav-cta{display:none}.motion-toggle{font-size:9px}.hero{grid-template-columns:1fr;padding-top:40px}.hero .eyebrow{margin-bottom:22px}.hero h1{font-size:clamp(42px,9vw,65px)}.hero-lead{font-size:13px;margin-top:22px}.actions{gap:20px;margin-top:25px}.hero-caption{font-size:8px;margin-top:24px}.network{max-width:500px;margin:10px auto -10px}.network-core strong{font-size:44px}.network-core>span:last-child{font-size:6px}.network-label{font-size:12px}.network-caption{font-size:7px}.hero-bottom{margin-top:12px;font-size:8px;gap:15px;line-height:1.8}.model-strip{display:block;text-align:center;padding-block:20px}.model-strip>span{font-size:8px}.model-strip p{white-space:normal;font-size:12px;line-height:2.2;margin-top:8px}.model-strip i{margin:0 7px;font-size:10px}.why,.future{padding-top:65px;padding-bottom:65px}.section-heading{grid-template-columns:1fr;gap:20px}.section-heading>.eyebrow{margin-bottom:0}.section-heading h2,.layer h2{font-size:36px}.section-heading>p:last-child{font-size:12px}.reason-grid{grid-template-columns:1fr;margin-top:30px;gap:14px}.reason-card{position:relative;padding:24px}.reason-card h3{font-size:22px;max-width:65%;margin-top:22px}.reason-card>p{max-width:100%;margin-top:24px}.choice-visual,.bars-visual,.trust-visual{position:absolute;right:20px;top:64px;width:30%;height:90px;margin:0;gap:7px}.choice-visual span:not(:nth-child(2)){width:36px;height:42px;font-size:16px;border-radius:8px}.choice-visual span:nth-child(2){font-size:18px}.bars-visual{padding-bottom:15px;gap:6px}.bars-visual i{width:14px;height:30px}.bars-visual i:nth-child(2){height:55px}.bars-visual i:nth-child(3){height:40px}.bars-visual i:nth-child(4){height:65px}.bars-visual span{font-size:6px;bottom:0}.trust-visual>span{height:58px;width:52px}.trust-visual small{font-size:6px}.layer{grid-template-columns:1fr;padding-block:60px;gap:40px}.layer-copy .eyebrow{margin-bottom:20px}.layer-copy>p:not(.eyebrow){font-size:12px;margin:20px 0}.diagram-core{padding:20px 16px}.diagram-core>div>span{font-size:6px}.diagram-core li{font-size:8px}.journey{margin-top:30px}.journey li{grid-template-columns:45px 1fr 25px;gap:16px;padding:26px 0}.journey-number{font-size:34px}.journey h3{font-size:19px}.journey .eyebrow{font-size:7px;letter-spacing:.07em}.journey li>div>p:last-child{font-size:11px}.journey-arrow{font-size:24px}.closing{padding-top:45px;padding-bottom:35px}.closing>.eyebrow{font-size:8px;margin-bottom:25px}.closing h2{font-size:clamp(39px,9vw,65px)}.closing-bottom{align-items:start;flex-direction:column;margin-top:28px}.closing-watermark{font-size:230px;bottom:-50px;letter-spacing:-20px}.footer{flex-wrap:wrap;padding-block:30px;gap:25px}.product-status{width:100%;font-size:9px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}.motion-ready .reveal{opacity:1;transform:none}}