:root{
    --ink:#0A0D14;--ink-2:#10141F;--surface:#141A26;
    --line:rgba(255,255,255,.10);--line-strong:rgba(255,255,255,.20);
    --paper:#F3F1EC;--paper-2:#E9E5DC;--paper-ink:#191B22;--paper-mute:#5C5B54;
    --text:#EAEDF3;--mute:#9AA3B2;
    --ai:#31E6D2;--ai-deep:#12B9AE;--human:#FF6552;--human-deep:#E8412E;--focus:#8FD8FF;
    --f-disp:"Space Grotesk",system-ui,sans-serif;--f-mono:"Space Mono",ui-monospace,monospace;
    --f-craft:"Fraunces",Georgia,serif;--f-jp:"Zen Kaku Gothic New",system-ui,sans-serif;
    --wrap:1180px;
  }
  *,*::before,*::after{box-sizing:border-box}
  html{scroll-behavior:smooth}
  @media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
  body{margin:0;background:var(--ink);color:var(--text);font-family:var(--f-jp);line-height:1.8;
    -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}
  a{color:inherit;text-decoration:none}
  img{max-width:100%;display:block}
  ::selection{background:var(--ai);color:var(--ink)}
  :focus-visible{outline:2px solid var(--focus);outline-offset:3px;border-radius:2px}
  .wrap{width:min(var(--wrap),100% - 48px);margin-inline:auto}
  .eyebrow{font-family:var(--f-mono);font-size:.72rem;letter-spacing:.28em;text-transform:uppercase;color:var(--mute);margin:0}

  /* NAV */
  header.nav{position:fixed;inset:0 0 auto 0;z-index:60;display:flex;align-items:center;justify-content:space-between;
    padding:20px clamp(16px,4vw,40px);transition:background .4s,padding .4s,border-color .4s;border-bottom:1px solid transparent;
    background:rgba(10,13,20,.82);backdrop-filter:blur(14px);border-bottom-color:var(--line)}
  header.nav.top{background:transparent;border-bottom-color:transparent;padding-top:24px;padding-bottom:24px}
  .brand{display:flex;flex-direction:column;line-height:1.15;letter-spacing:.02em}
  .brand b{font-family:var(--f-disp);font-weight:700;font-size:clamp(.78rem,2.3vw,.95rem);letter-spacing:.01em;white-space:nowrap}
  .brand span{font-size:.62rem;color:var(--mute);letter-spacing:.14em}
  .nav-links{display:flex;align-items:center;gap:clamp(14px,2.6vw,30px)}
  .nav-links a{font-size:.82rem;color:var(--mute);transition:color .25s}
  .nav-links a:hover,.nav-links a.cur{color:var(--text)}
  .nav-cta{font-family:var(--f-mono);font-size:.72rem;letter-spacing:.06em;border:1px solid var(--line-strong);
    padding:8px 15px;border-radius:100px;color:var(--text);transition:.25s;white-space:nowrap}
  .nav-cta:hover{border-color:var(--ai);color:var(--ai);box-shadow:0 0 0 3px rgba(49,230,210,.12)}
  @media(max-width:620px){.brand span{display:none}.nav-links a.hide-sm{display:none}}

  /* PAGE HERO */
  .phero{position:relative;overflow:hidden;isolation:isolate;padding:150px 0 70px}
  #net{position:absolute;inset:0;width:100%;height:100%;z-index:-2}
  .phero::after{content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;
    background:radial-gradient(90% 120% at 12% 20%,rgba(49,230,210,.10),transparent 55%),
    radial-gradient(90% 120% at 88% 90%,rgba(255,101,82,.12),transparent 55%),
    linear-gradient(180deg,rgba(10,13,20,.35),rgba(10,13,20,.78) 70%,var(--ink))}
  .crumb{font-family:var(--f-mono);font-size:.68rem;letter-spacing:.14em;color:var(--mute);margin:0 0 22px}
  .crumb a:hover{color:var(--text)}
  .crumb .sep{opacity:.5;margin:0 8px}
  .phero h1{font-family:var(--f-jp);font-weight:700;font-size:clamp(2.1rem,6vw,3.6rem);line-height:1.25;margin:.2em 0 0}
  .phero h1 .en{display:block;font-family:var(--f-disp);font-weight:500;font-size:.32em;letter-spacing:.24em;color:var(--ai);text-transform:uppercase;margin-bottom:.7em}
  .phero .sub{color:#CDD4DF;max-width:44ch;margin:22px 0 0;font-size:clamp(1rem,2.2vw,1.15rem)}
  .phero .sub em{font-family:var(--f-craft);font-style:italic;color:var(--human);font-weight:500}

  /* SECTION SHELL */
  section{position:relative}
  .sect-head{max-width:760px;margin-bottom:clamp(30px,5vw,52px)}
  .sect-head h2{font-family:var(--f-jp);font-weight:700;font-size:clamp(1.5rem,4vw,2.35rem);line-height:1.4;margin:.4em 0 0}
  .sect-head h2 .en{display:block;font-family:var(--f-disp);font-weight:500;font-size:.34em;letter-spacing:.22em;text-transform:uppercase;color:var(--mute);margin-bottom:.6em}
  .sect-head p{color:var(--mute);margin:.9em 0 0}
  .reveal{opacity:0;transform:translateY(24px);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:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}
  @media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

  /* PAPER: overview + access */
  .paper{background:var(--paper);color:var(--paper-ink);padding:clamp(64px,9vw,110px) 0}
  .paper .eyebrow{color:var(--paper-mute)}
  .paper .sect-head h2{color:var(--paper-ink)}
  .paper .sect-head h2 .en{color:#a39d90}
  .paper .sect-head p{color:var(--paper-mute)}

  .spec{width:100%;border-collapse:collapse;font-size:.96rem}
  .spec th,.spec td{text-align:left;vertical-align:top;padding:17px 6px;border-bottom:1px solid var(--paper-2)}
  .spec th{width:26%;font-weight:700;color:var(--paper-ink);white-space:nowrap}
  .spec td{color:#3B3D45}
  .spec tr:first-child th,.spec tr:first-child td{border-top:1px solid var(--paper-2)}
  .spec a{color:var(--human-deep);font-weight:500;border-bottom:1px solid transparent}
  .spec a:hover{border-color:var(--human)}
  @media(max-width:560px){
    .spec th,.spec td{display:block;width:100%;padding:10px 4px}
    .spec th{border-bottom:none;padding-bottom:2px;color:var(--human-deep);font-family:var(--f-mono);font-size:.7rem;letter-spacing:.08em;text-transform:uppercase}
    .spec tr{display:block;padding:8px 0;border-bottom:1px solid var(--paper-2)}
    .spec tr:first-child th,.spec tr:first-child td{border-top:none}
  }

  .access{margin-top:clamp(46px,7vw,72px)}
  .access h3{font-family:var(--f-disp);font-weight:600;letter-spacing:.14em;font-size:.8rem;text-transform:uppercase;color:var(--paper-mute);margin:0 0 26px}
  .map-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px}
  @media(max-width:820px){.map-grid{grid-template-columns:1fr}}
  .map-card{background:#fff;border:1px solid var(--paper-2);border-radius:16px;overflow:hidden}
  .map-card .meta{padding:20px 22px}
  .map-card .k{font-family:var(--f-mono);font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;color:var(--human-deep);margin:0}
  .map-card h4{margin:8px 0 6px;font-weight:700;font-size:1.1rem}
  .map-card p{margin:0;color:#4A4C54;font-size:.92rem}
  .map-card iframe{display:block;width:100%;height:300px;border:0;filter:saturate(.95)}

  /* DARK sections */
  .dark{padding:clamp(70px,10vw,120px) 0}

  /* GREETING */
  .greet-grid{display:grid;grid-template-columns:280px 1fr;gap:clamp(30px,5vw,60px);align-items:start}
  @media(max-width:760px){.greet-grid{grid-template-columns:1fr;gap:26px}.greet-face{max-width:210px}}
  .greet-face{position:relative;border-radius:20px;overflow:hidden;border:1px solid var(--line);
    background:linear-gradient(160deg,var(--surface),var(--ink-2));aspect-ratio:4/5;display:grid;place-items:center}
  .greet-face > img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:1}
  .greet-face .mono{font-family:var(--f-craft);font-style:italic;font-size:5rem;color:var(--mute);opacity:.5}
  .greet-face figcaption{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:16px 18px;
    background:linear-gradient(transparent,rgba(10,13,20,.9));font-size:.86rem}
  .greet-face figcaption b{display:block;font-weight:700}
  .greet-face figcaption span{color:var(--mute);font-family:var(--f-mono);font-size:.66rem;letter-spacing:.1em}
  .greet-body h2{font-family:var(--f-jp);font-weight:700;font-size:clamp(1.5rem,3.6vw,2.15rem);line-height:1.5;margin:.2em 0 .7em}
  .greet-body h2 em{font-family:var(--f-craft);font-style:italic;font-weight:500;color:var(--ai)}
  .greet-body p{color:#C7CEDA;margin:0 0 1.1em;font-size:1rem}
  .greet-body .sign{margin-top:26px;font-size:.9rem;color:var(--mute)}
  .greet-body .sign b{color:var(--text);font-family:var(--f-jp);font-weight:700;font-size:1.15rem;letter-spacing:.04em}
  .name-img{display:inline-block;vertical-align:middle;width:auto;max-width:100%}

  /* STAFF */
  .staff-note{font-size:.82rem;color:var(--mute);margin:0 0 30px}
  .staff-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:18px}
  .st-card{border:1px solid var(--line);border-radius:18px;padding:24px;background:linear-gradient(180deg,var(--ink-2),var(--ink));
    transition:transform .45s cubic-bezier(.2,.7,.2,1),border-color .45s;display:flex;flex-direction:column;gap:2px}
  .st-card:hover{transform:translateY(-5px);border-color:var(--c-line,var(--line-strong))}
  .st-top{display:flex;align-items:center;gap:14px}
  .st-avatar{width:52px;height:52px;flex:none;border-radius:14px;display:grid;place-items:center;
    font-family:var(--f-disp);font-weight:600;font-size:.9rem;letter-spacing:.02em;color:var(--ink);position:relative}
  .st-card.ai{--c:var(--ai);--c-line:rgba(49,230,210,.45)}
  .st-card.hu{--c:var(--human);--c-line:rgba(255,101,82,.45)}
  .st-avatar{background:var(--c);box-shadow:0 0 24px -6px var(--c)}
  .st-avatar.jp{font-family:var(--f-jp);font-weight:700}
  .st-id{font-family:var(--f-disp);font-weight:600;font-size:1.05rem;letter-spacing:.06em}
  .st-role{display:inline-block;margin-top:2px;font-family:var(--f-mono);font-size:.62rem;letter-spacing:.08em;
    text-transform:uppercase;color:var(--c)}
  .st-word{color:#D6DCE6;font-size:.92rem;margin:16px 0 0;line-height:1.8}
  .st-meta{margin:16px 0 0;padding-top:14px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:8px}
  .st-meta div{display:flex;gap:10px;font-size:.8rem}
  .st-meta dt{flex:none;width:5.2em;color:var(--mute);font-family:var(--f-jp);margin:0}
  .st-meta dd{margin:0;color:#B9C1CD}
  .st-card.dog .st-meta dd a{color:var(--human);border-bottom:1px solid transparent}
  .st-card.dog .st-meta dd a:hover{border-color:var(--human)}
  .st-card.dog .st-photo{margin:-6px -6px 0;border-radius:12px;overflow:hidden;aspect-ratio:4/3;background:#0d1017}
  .st-card.dog .st-photo img{width:100%;height:100%;object-fit:cover;object-position:center 35%;display:block}
  @media(min-width:780px){.st-card.dog{grid-column:span 2}.st-card.dog .st-photo{aspect-ratio:21/9}}

  /* RELATED SITES */
  .rel-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px}
  .rel{position:relative;border:1px solid var(--line);border-radius:18px;padding:26px;overflow:hidden;
    display:flex;flex-direction:column;min-height:190px;transition:transform .4s,border-color .4s;background:var(--ink-2)}
  .rel:hover{transform:translateY(-5px);border-color:var(--c-line)}
  .rel::after{content:"";position:absolute;left:0;top:0;height:3px;width:100%;transform:scaleX(0);transform-origin:left;
    background:var(--c);transition:transform .5s cubic-bezier(.2,.7,.2,1)}
  .rel:hover::after{transform:scaleX(1)}
  .rel.ai{--c:var(--ai);--c-line:rgba(49,230,210,.5)}
  .rel.hu{--c:var(--human);--c-line:rgba(255,101,82,.5)}
  .rel.self{--c:#9AA3B2;--c-line:var(--line-strong)}
  .rel.hub{--c:#8f9bff;--c-line:rgba(143,155,255,.5)}
  .rel .tag{font-family:var(--f-mono);font-size:.62rem;letter-spacing:.12em;text-transform:uppercase;color:var(--c)}
  .rel h4{font-family:var(--f-jp);font-weight:700;font-size:1.1rem;margin:14px 0 6px}
  .rel p{color:var(--mute);font-size:.88rem;margin:0}
  .rel .dom{margin-top:auto;padding-top:16px;font-family:var(--f-mono);font-size:.78rem;color:var(--text);display:flex;align-items:center;gap:8px}
  .rel .dom .arw{transition:transform .3s}
  .rel:hover .dom .arw{transform:translateX(4px)}

  /* CONTACT */
  .contact{padding:clamp(80px,12vw,130px) 0;text-align:center;position:relative;overflow:hidden}
  .contact::before{content:"";position:absolute;inset:0;z-index:-1;
    background:radial-gradient(60% 100% at 30% 0%,rgba(49,230,210,.14),transparent 60%),
    radial-gradient(60% 100% at 74% 100%,rgba(255,101,82,.16),transparent 60%)}
  .contact h2{font-family:var(--f-jp);font-weight:700;font-size:clamp(1.6rem,4.4vw,2.7rem);line-height:1.4;margin:0 auto;max-width:22ch}
  .contact h2 em{font-family:var(--f-craft);font-style:italic;font-weight:500;color:var(--ai)}
  .nb{white-space:nowrap}
  .contact p{color:var(--mute);margin:18px auto 0;max-width:46ch}
  .tel{margin-top:36px;display:inline-flex;flex-direction:column;align-items:center;gap:2px}
  .tel a{font-family:var(--f-disp);font-weight:700;font-size:clamp(2rem,7vw,3.2rem);letter-spacing:.02em;color:#fff;transition:.3s}
  .tel a:hover{color:var(--ai)}
  .tel .sub{font-family:var(--f-mono);font-size:.7rem;letter-spacing:.14em;color:var(--mute);text-transform:uppercase}
  .btn{display:inline-flex;align-items:center;gap:10px;font-family:var(--f-disp);font-weight:500;font-size:.94rem;
    padding:14px 24px;border-radius:100px;transition:.28s;border:1px solid transparent}
  .btn .arw{transition:transform .28s}.btn:hover .arw{transform:translateX(4px)}
  .btn-ai{background:var(--ai);color:#04201D}
  .btn-ai:hover{box-shadow:0 12px 34px -10px rgba(49,230,210,.6);transform:translateY(-2px)}
  .btn-hu{background:transparent;color:var(--text);border-color:var(--line-strong)}
  .btn-hu:hover{border-color:var(--human);color:#fff;transform:translateY(-2px)}
  .contact-actions{margin-top:32px;display:flex;flex-wrap:wrap;gap:14px;justify-content:center}

  /* FOOTER */
  footer{border-top:1px solid var(--line);padding:56px 0 40px;background:var(--ink)}
  .foot-top{display:flex;flex-wrap:wrap;justify-content:space-between;gap:30px}
  .foot-brand b{font-family:var(--f-disp);font-weight:700;font-size:1.1rem}
  .foot-brand span{display:block;color:var(--mute);font-size:.78rem;margin-top:6px;max-width:34ch;line-height:1.7}
  .foot-nav{display:flex;flex-direction:column;gap:11px}
  .foot-nav a{color:var(--mute);font-size:.86rem;transition:.25s}
  .foot-nav a:hover{color:var(--text)}
  .foot-bot{margin-top:40px;padding-top:22px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center}
  .foot-bot small{color:var(--mute);font-size:.74rem;line-height:1.7}
  .foot-bot .cr{font-family:var(--f-mono);font-size:.7rem;letter-spacing:.06em;color:var(--mute)}