:root{--bg:#FFFFFF;--bg2:#F4F5F6;--ink:#111111;--mute:#6B7075;--dim:#A2A7AD;--line:#E3E5E8;--line-2:#C9CDD2;--blue:#1F5BFF;--blue-l:#EAF0FF;
    --en:"Inter",system-ui,sans-serif;--jp:"Noto Sans JP","Hiragino Kaku Gothic ProN","Yu Gothic",sans-serif;--ease:cubic-bezier(.16,1,.3,1)}
  *{box-sizing:border-box;margin:0;padding:0}
  html{scroll-behavior:auto}
  body{background:var(--bg);color:var(--ink);font-family:var(--jp);line-height:1.9;font-size:15px;-webkit-font-smoothing:antialiased;letter-spacing:.01em;cursor:none}
  a{color:inherit}
  a,button{cursor:none}
  .en{font-family:var(--en);letter-spacing:-.01em}
  .wrap{max-width:1240px;margin:0 auto;padding:0 40px}
  @media (max-width:720px){.wrap{padding:0 22px}}
  p{max-width:34em}
  .mute{color:var(--mute)}
  .cat{font-family:var(--en);font-size:12px;font-weight:500;color:var(--mute);margin-bottom:18px;display:flex;align-items:center;gap:12px}
  .cat::before{content:"";width:22px;height:1px;background:currentColor;transform-origin:left;transform:scaleX(0);transition:transform 1s var(--ease) .1s}
  .in .cat::before,.cat.in::before{transform:none}
  h1,h2,h3{font-weight:600;line-height:1.15;letter-spacing:-.02em}
  h2.big{font-family:var(--en);font-size:clamp(40px,6.2vw,88px);font-weight:600;line-height:1;letter-spacing:-.04em;margin-bottom:28px}
  h2.big em{font-style:normal;color:var(--dim)}
  .sub{font-size:clamp(18px,2vw,24px);font-weight:500;line-height:1.5;margin-bottom:18px;letter-spacing:0}
  h3{font-size:17px;font-weight:600;letter-spacing:0}
  section{padding:150px 0;position:relative}
  .link{font-family:var(--en);font-size:13px;font-weight:500;text-decoration:none;display:inline-flex;align-items:center;gap:10px;padding:14px 0;border-bottom:1px solid var(--ink);transition:gap .5s var(--ease),color .3s,border-color .3s}
  .link::after{content:"→"}
  .link:hover{gap:20px;color:var(--blue);border-color:var(--blue)}
  .pill{font-family:var(--en);font-size:13px;font-weight:600;text-decoration:none;display:inline-flex;align-items:center;gap:10px;padding:14px 26px;border:1px solid var(--ink);border-radius:999px;transition:background .4s var(--ease),color .3s,transform .4s var(--ease);will-change:transform}
  .pill:hover{background:var(--ink);color:#fff}
  .pill.solid{background:var(--ink);color:#fff}.pill.solid:hover{background:var(--blue);border-color:var(--blue)}
  .ph{background:#FFF6DD;border:1px dashed #D3A94A;color:#6B4E00;padding:1px 8px;border-radius:2px;font-size:11px;font-weight:700;display:inline-block;vertical-align:middle;font-family:var(--jp)}
  .note{font-size:12.5px;color:var(--mute)}

  /* split text */
  .split .w{display:inline-block;overflow:hidden;vertical-align:top}
  .split .w>span{display:inline-block;transform:translateY(110%);transition:transform 1.1s var(--ease)}
  .split.in .w>span{transform:none}
  .rv{opacity:0;transform:translateY(26px);transition:opacity 1.1s var(--ease),transform 1.2s var(--ease)}
  .rv.in{opacity:1;transform:none}
  .d1{transition-delay:.08s}.d2{transition-delay:.16s}.d3{transition-delay:.24s}.d4{transition-delay:.32s}
  .draw{transform-origin:left;transform:scaleX(0);transition:transform 1.4s var(--ease)}
  .in .draw,.draw.in{transform:none}
  [data-px]{will-change:transform}

  /* cursor */
  #cur{position:fixed;left:0;top:0;width:10px;height:10px;margin:-5px 0 0 -5px;border-radius:50%;background:var(--ink);pointer-events:none;z-index:200;transition:transform .35s var(--ease),background .3s;mix-blend-mode:difference;background:#fff}
  #cur.big{transform:scale(4.5)}
  @media (hover:none){#cur{display:none}body,a,button{cursor:auto}}

  /* loader */
  #loader{position:fixed;inset:0;background:#fff;z-index:100;display:flex;align-items:flex-end;justify-content:space-between;padding:36px 40px;font-family:var(--en);font-size:12px;font-weight:500;letter-spacing:.06em;transition:transform 1s var(--ease)}
  #loader.done{transform:translateY(-101%)}
  #loader .n{font-size:14px;font-variant-numeric:tabular-nums}
  #loader .l{position:absolute;left:0;bottom:0;height:2px;background:var(--ink);width:0}

  /* header */
  header{position:fixed;top:0;left:0;right:0;z-index:40;padding:22px 0;color:var(--ink);transition:color .5s}
  header.dark{color:#fff}
  header .wrap{display:flex;justify-content:space-between;align-items:center}
  .brand{font-family:var(--en);font-weight:700;font-size:19px;letter-spacing:-.03em;text-decoration:none;display:flex;align-items:center;gap:10px}
  .brand small{font-family:var(--jp);font-size:10px;font-weight:400;opacity:.6;margin-left:-2px}
  .brand i{width:14px;height:14px;border:1.5px solid currentColor;border-radius:50%;display:block;animation:spin 8s linear infinite;border-top-color:transparent}
  @keyframes spin{to{transform:rotate(360deg)}}
  header nav{display:flex;gap:26px;align-items:center}
  header nav a{text-decoration:none;font-family:var(--en);font-size:12.5px;font-weight:500;opacity:.85}
  @media (max-width:820px){header nav a:not(.keep){display:none}header{padding:14px 0;background:rgba(255,255,255,.9);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}header.dark{background:rgba(17,17,17,.9)}}
  #prog{position:fixed;top:0;left:0;height:2px;background:var(--blue);width:0;z-index:50}

  /* ====== hero ====== */
  .pin{position:relative;height:820vh}
  .sticky{position:sticky;top:0;height:100vh;overflow:hidden;display:grid;grid-template-columns:1fr 1fr}
  .scene-wrap{position:absolute;inset:0}
  #scene{position:absolute;inset:0;width:100%;height:100%}
  .hero-l{position:relative;z-index:2;height:100vh;display:flex;align-items:center;padding:0 0 0 40px}
  .frames{position:relative;width:100%;max-width:560px}
  .frame{position:absolute;left:0;right:0;top:50%;transform:translateY(-50%);opacity:0;pointer-events:none;will-change:opacity,transform}
  .frame.intro h1{font-family:var(--en);font-size:clamp(44px,5.6vw,84px);font-weight:600;letter-spacing:-.045em;line-height:.98;margin-bottom:24px}
  .frame.intro h1 span.l{display:block}
  .frame.intro .jp{font-size:clamp(20px,2.2vw,28px);font-weight:500;line-height:1.5;margin-bottom:18px}
  .frame.intro .lead{color:var(--mute);margin-bottom:30px;max-width:30em}
  .frame .idx{font-family:var(--en);font-size:12px;color:var(--mute);margin-bottom:18px;letter-spacing:.06em}
  .frame .idx b{color:var(--ink)}
  .frame h2{font-size:clamp(28px,3.4vw,46px);font-weight:600;letter-spacing:-.025em;margin-bottom:14px;line-height:1.1}
  .frame .who{display:inline-block;font-family:var(--en);font-size:10.5px;font-weight:600;letter-spacing:.06em;padding:4px 10px;border:1px solid var(--ink);border-radius:999px;margin-bottom:16px}
  .frame .who.h{border-style:dashed}.frame .who.d{background:var(--bg2);border-color:var(--bg2)}
  .frame p{color:var(--mute);max-width:26em}
  .frame.outro .row{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
  .labels{position:absolute;inset:0;z-index:1;pointer-events:none}
  .lb{position:absolute;left:0;top:0;transform:translate(-50%,-50%);font-family:var(--jp);font-size:12px;font-weight:500;white-space:nowrap;padding:6px 10px;border:1px solid var(--line-2);background:rgba(255,255,255,.9);border-radius:2px;will-change:transform,opacity;transition:border-color .4s,color .4s,background .4s}
  .lb small{display:block;font-family:var(--en);font-size:9px;font-weight:500;color:var(--mute);letter-spacing:.06em;line-height:1.2;margin-top:2px}
  .lb.h{border-style:dashed}.lb.d{background:var(--bg2);border-color:var(--bg2)}
  .lb.on{border-color:var(--blue);color:var(--blue);background:#fff}.lb.on small{color:var(--blue)}
  .lb.hub{border:0;background:transparent;font-family:var(--en);font-weight:700;font-size:34px;letter-spacing:-.04em;padding:0;transform-origin:center}
  .lb.hub small{font-size:9.5px;letter-spacing:.14em;text-align:center;margin-top:2px}
  .explore{position:absolute;left:40px;bottom:36px;z-index:3;font-family:var(--en);font-size:11px;font-weight:500;letter-spacing:.08em;color:var(--mute);display:flex;align-items:center;gap:14px}
  .explore i{width:1px;height:28px;background:var(--ink);display:block;animation:tick 2.2s var(--ease) infinite}
  @keyframes tick{0%{transform:scaleY(0);transform-origin:top}45%{transform:scaleY(1);transform-origin:top}46%{transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}
  .counter{position:absolute;right:40px;bottom:36px;z-index:3;font-family:var(--en);font-size:13px;font-weight:500;letter-spacing:.06em;display:flex;align-items:center;gap:12px;font-variant-numeric:tabular-nums}
  .counter .bar{width:140px;height:1px;background:var(--line-2);position:relative}
  .counter .bar i{position:absolute;left:0;top:0;bottom:0;background:var(--ink);width:0}
  .skip{position:absolute;right:40px;top:100px;z-index:3;font-family:var(--en);font-size:11px;letter-spacing:.06em;color:var(--mute);text-decoration:none}
  .markers{position:absolute;inset:0;pointer-events:none}
  @media (max-width:900px){
    .pin{height:auto}.sticky{position:relative;height:auto;display:block;padding:96px 0 0;overflow:visible}
    .scene-wrap{position:relative;height:104vw;max-height:560px;margin:0 0 10px}
    .hero-l{height:auto;padding:0 22px 30px}.frames{position:relative;max-width:none}
    .frame{position:relative;top:auto;opacity:1!important;transform:none!important;pointer-events:auto;margin-bottom:44px}
    .frame.intro h1{font-size:13vw}
    .explore,.counter,.skip{display:none}
    .lb{font-size:10px;padding:3px 6px;line-height:1.5}.lb small{display:none}.lb.hub{font-size:26px}.lb.hub small{font-size:8px}
  }

  /* ====== library ====== */
  .lib{display:grid;grid-template-columns:.9fr 1.1fr;gap:60px;align-items:start;margin-top:56px}
  .lib .list{border-top:1px solid var(--ink)}
  .lib button{display:grid;grid-template-columns:36px 1fr auto;gap:16px;align-items:center;width:100%;text-align:left;font:inherit;background:none;border:0;border-bottom:1px solid var(--line);padding:20px 0;color:var(--ink);transition:color .3s}
  .lib button .n{font-family:var(--en);font-size:12px;color:var(--dim)}
  .lib button .t{font-size:16px;font-weight:600}
  .lib button .s{display:block;font-size:12.5px;font-weight:400;color:var(--mute);margin-top:2px;max-height:0;overflow:hidden;transition:max-height .7s var(--ease),opacity .5s;opacity:0}
  .lib button[aria-selected="true"] .s{max-height:80px;opacity:1}
  .lib button .a{font-family:var(--en);font-size:16px;color:var(--dim);transition:transform .5s var(--ease),color .3s}
  .lib button[aria-selected="true"]{color:var(--blue)}.lib button[aria-selected="true"] .a{transform:translateX(8px);color:var(--blue)}
  .lib .view{position:sticky;top:90px;aspect-ratio:1;position:relative}
  .lib .view canvas{width:100%;height:100%;display:block}
  .lib .view .labels{inset:0}
  @media (max-width:900px){.lib{grid-template-columns:1fr;gap:30px}.lib .view{position:relative;top:0}}

  /* ====== proof (dark, animated grid) ====== */
  .proof{background:var(--ink);color:#fff;overflow:hidden}
  .proof .cat{color:#9aa0a6}.proof h2.big em{color:#5b5f66}.proof .mute{color:#B9BEC4}
  #grid{position:absolute;inset:0;width:100%;height:100%;opacity:.55}
  .proof .wrap{position:relative;z-index:1}
  .proof-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;margin-top:56px;align-items:start}
  .chain{list-style:none;border-top:1px solid #fff}
  .chain li{display:grid;grid-template-columns:36px 1fr auto;gap:16px;align-items:center;padding:16px 0;border-bottom:1px solid #2a2d31;font-size:15px;transition:color .5s,padding-left .5s var(--ease)}
  .chain li .n{font-family:var(--en);font-size:12px;color:#6b7075}
  .chain li .w{font-family:var(--en);font-size:10.5px;letter-spacing:.06em;color:#9aa0a6;padding:3px 9px;border:1px solid #444;border-radius:999px}
  .chain li .w.h{border-style:dashed;border-color:#fff;color:#fff}
  .chain li.act{color:var(--blue);padding-left:10px}.chain li.act .n,.chain li.act .w{color:var(--blue);border-color:var(--blue)}
  .chain li .mute{color:#8a9096}
  .stat .k{font-family:var(--en);font-size:clamp(64px,8vw,130px);font-weight:600;letter-spacing:-.05em;line-height:1;margin:10px 0 6px}
  .stat .k small{font-family:var(--jp);font-size:20px;font-weight:500;letter-spacing:0;margin-left:8px}
  @media (max-width:900px){.proof-grid{grid-template-columns:1fr;gap:40px}}

  /* ====== mechanism ====== */
  .three{display:grid;grid-template-columns:1fr 1fr 1fr;gap:40px;margin-top:56px}
  .three>div{padding-top:22px;position:relative}
  .three>div .draw{position:absolute;left:0;right:0;top:0;height:1px;background:var(--ink)}
  .three .n{font-family:var(--en);font-size:12px;color:var(--mute);margin-bottom:14px;letter-spacing:.04em}
  .three h3{margin-bottom:10px}.three p{font-size:14px;color:var(--mute)}
  @media (max-width:820px){.three{grid-template-columns:1fr;gap:24px}}
  .human{margin-top:70px;display:grid;grid-template-columns:auto 1fr;gap:60px;align-items:center;padding:40px 0;position:relative}
  .human .draw{position:absolute;left:0;right:0;height:1px;background:var(--ink)}
  .human .draw.b{bottom:0}.human .draw.t{top:0}
  .human .k{font-family:var(--en);font-size:clamp(72px,9vw,130px);font-weight:600;letter-spacing:-.05em;line-height:1;font-variant-numeric:tabular-nums}
  .human .k small{font-family:var(--jp);font-size:18px;font-weight:500;letter-spacing:0;margin-left:8px}
  .human ul{list-style:none;display:grid;grid-template-columns:1fr 1fr 1fr;gap:24px}
  .human li b{display:block;font-size:15px}.human li span{font-size:12.5px;color:var(--mute)}
.human .hr h3{font-size:18px;margin-bottom:6px}
.human .hr>p{font-size:14px;color:var(--mute);margin-bottom:18px}
  @media (max-width:820px){.human{grid-template-columns:1fr;gap:24px}.human ul{grid-template-columns:1fr}}

  .cmp{display:grid;grid-template-columns:1fr 1fr;gap:40px;margin-top:56px}
  .cmp>div{padding-top:22px;position:relative}
  .cmp>div .draw{position:absolute;left:0;right:0;top:0;height:1px;background:var(--ink)}
  .cmp .tag{font-family:var(--en);font-size:11px;letter-spacing:.06em;color:var(--mute);margin-bottom:10px}.cmp .us .tag{color:var(--blue)}
  .cmp h3{margin-bottom:14px;font-size:20px}.cmp ul{list-style:none}
  .cmp li{display:grid;grid-template-columns:110px 1fr;gap:16px;padding:12px 0;border-top:1px solid var(--line);font-size:14px}
  .cmp li span:first-child{color:var(--mute);font-size:12.5px;padding-top:2px}
  @media (max-width:760px){.cmp{grid-template-columns:1fr}}

  .entry{display:grid;grid-template-columns:1fr 1fr 1fr;gap:40px;margin-top:56px}
  .entry>div{padding-top:22px;position:relative;transition:transform .6s var(--ease)}
  .entry>div:hover{transform:translateY(-6px)}
  .entry>div .draw{position:absolute;left:0;right:0;top:0;height:1px;background:var(--ink)}
  .entry h3{margin-bottom:8px;font-size:19px}.entry p{font-size:14px;color:var(--mute)}
  .entry .nx{margin-top:18px;padding-top:12px;border-top:1px solid var(--line);font-size:12.5px}
  .entry .nx b{font-family:var(--en);font-size:11px;letter-spacing:.06em;color:var(--blue);display:block;margin-bottom:2px}
  @media (max-width:820px){.entry{grid-template-columns:1fr;gap:24px}}

  .proc{margin-top:56px;position:relative}
  .proc .draw{position:absolute;left:0;right:0;top:0;height:1px;background:var(--ink)}
  .proc .st{display:grid;grid-template-columns:80px 1fr 160px;gap:24px;padding:26px 0;border-bottom:1px solid var(--line);align-items:baseline}
  .proc .n{font-family:var(--en);font-size:12px;color:var(--dim)}
  .proc h3{font-size:18px}.proc p{font-size:14px;color:var(--mute);margin-top:4px}
  .proc .d{font-family:var(--en);font-size:12px;letter-spacing:.06em;color:var(--mute);text-align:right}
  @media (max-width:640px){.proc .st{grid-template-columns:50px 1fr}.proc .d{grid-column:2;text-align:left}}

  .two{display:grid;grid-template-columns:1fr 1fr;gap:40px;margin-top:56px}
  .two>div{padding-top:22px;position:relative}
  .two>div .draw{position:absolute;left:0;right:0;top:0;height:1px;background:var(--ink)}
  .two h3{margin-bottom:6px;font-size:19px}
  .two .amt{font-family:var(--en);font-size:32px;font-weight:600;letter-spacing:-.03em;margin:14px 0 6px}
  .two ul{list-style:none;margin-top:12px}.two li{padding:9px 0;border-top:1px solid var(--line);font-size:14px;color:var(--mute)}
  .two .role{font-family:var(--en);font-size:11px;letter-spacing:.06em;color:var(--blue);margin-bottom:10px}.two p{font-size:14px;color:var(--mute)}
  @media (max-width:720px){.two{grid-template-columns:1fr;gap:24px}}

  .faq details{border-top:1px solid var(--line)}.faq details:last-child{border-bottom:1px solid var(--line)}
  .faq summary{font-weight:500;padding:20px 0;list-style:none;display:flex;justify-content:space-between;gap:20px;font-size:15.5px}
  .faq summary::-webkit-details-marker{display:none}
  .faq summary::after{content:"+";font-family:var(--en);font-size:18px;color:var(--mute);transition:transform .5s var(--ease)}
  .faq details[open] summary::after{transform:rotate(45deg)}
  .faq details p{padding:0 0 22px;font-size:14px;color:var(--mute)}

  .contact{background:var(--ink);color:#fff;padding:170px 0;overflow:hidden}
  #grid2{position:absolute;inset:0;width:100%;height:100%;opacity:.45}
  .contact .wrap{position:relative;z-index:1}
  .contact .cat{color:#9aa0a6}.contact h2.big em{color:#5b5f66}.contact p{color:#B9BEC4}
  .contact .form{margin-top:48px;max-width:560px}
  .form label{display:block;font-family:var(--jp);font-size:12px;font-weight:500;letter-spacing:.04em;color:#9aa0a6;margin:22px 0 6px}
  .form input,.form select,.form textarea{width:100%;font:inherit;font-size:15px;padding:12px 0;border:0;border-bottom:1px solid #444;background:transparent;color:#fff;border-radius:0;transition:border-color .3s}
  .form select option{color:#000}
  .form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:#fff}
  .form .pill{margin-top:34px;border-color:#fff;color:#fff}.form .pill:hover{background:#fff;color:var(--ink)}
  footer{padding:60px 0;font-family:var(--en);font-size:12px;color:var(--mute)}
  footer .wrap{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;align-items:flex-end}
  footer .big{font-size:clamp(28px,4vw,52px);font-weight:600;letter-spacing:-.04em;color:var(--ink);line-height:1}
  footer .fnav{display:flex;gap:22px;align-items:center;flex-wrap:wrap}footer .fnav a{color:inherit;text-decoration:none;border-bottom:1px solid transparent;transition:color .3s,border-color .3s}footer .fnav a:hover{color:var(--ink);border-color:var(--ink)}
  @media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}.rv,.split .w>span{opacity:1;transform:none}#loader,#cur{display:none}body,a,button{cursor:auto}}

  /* floating CTA */
  
#fcta{position:fixed;left:50%;bottom:28px;z-index:60;width:300px;height:120px;transform:translate(-50%,0);will-change:transform,opacity;transition:opacity .5s var(--ease);text-decoration:none;display:block}
  #fcta.hide{opacity:0;pointer-events:none}
  #fcta canvas{position:absolute;inset:0;width:100%;height:100%}
  #fcta span{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-family:var(--en);font-size:13px;font-weight:600;color:#fff;letter-spacing:.02em;gap:8px;transition:letter-spacing .4s var(--ease)}
  #fcta:hover span{letter-spacing:.08em}
  #fcta span{font-family:"Recursive",var(--en);font-variation-settings:"wght" 600,"MONO" 0,"CASL" 0,"slnt" 0,"CRSV" 0;transition:none}
  #fcta:hover span{letter-spacing:inherit}
  #fcta span.td{color:var(--ink);clip-path:inset(0 0 100% 0)}
  #fcta:hover span.td{color:#fff}
  @media (max-width:900px){#fcta{left:auto;right:12px;width:220px;height:88px;bottom:14px;transform:none}}
.form button.pill{background:transparent;color:#fff;border-color:#fff;cursor:none}
.form button.pill:hover{background:#fff;color:var(--ink)}
.form button.pill[disabled]{opacity:.5;pointer-events:none}
.form .hp{position:absolute;left:-9999px;top:-9999px;height:0;overflow:hidden}
.form input.err,.form textarea.err{border-color:#ff6b6b}
.form .msg.ok{color:#8fd19e!important}
.form .msg.ng{color:#ff8a8a!important}
@media (hover:none){.form button.pill{cursor:pointer}}