#cur{position:fixed;top:0;left:0;width:44px;height:44px;border-radius:50%;transform:translate(-50%,-50%);
    z-index:402;pointer-events:none;mix-blend-mode:screen;filter:blur(2px);
    background:radial-gradient(circle,rgba(255,96,64,.55) 0%,rgba(255,46,26,.28) 38%,rgba(255,30,10,0) 76%);
    transition:width .35s cubic-bezier(.16,1,.3,1),height .35s cubic-bezier(.16,1,.3,1);will-change:left,top}
  #cur b{position:absolute;left:50%;top:50%;width:6px;height:6px;margin:-3px 0 0 -3px;border-radius:50%;background:#fff;
    box-shadow:0 0 14px #ff3b1f,0 0 4px #fff}
  #cur.cur-hover{width:76px;height:76px}
  @media(max-width:860px){#cur,#curTrail{display:none}}
  /* ボタンで手のカーソルに変わらないよう、マウス環境では常に球だけにする */
  @media(pointer:fine) and (min-width:861px){ *{cursor:none!important} }
  /* HPを重ねている間は、HP側が自分のカーソルを出すので街側は隠す（二重表示の防止） */
  body.hp-on #cur, body.hp-on #curTrail{display:none}
  html,body{margin:0;height:100%;background:#000;overflow:hidden;cursor:none;font-family:"Share Tech Mono","Courier New",Consolas,monospace;color:#7dffc4;user-select:none;touch-action:none;overscroll-behavior:none;-webkit-tap-highlight-color:transparent}
  canvas{touch-action:none}
  canvas{display:block}
  #hud{position:fixed;left:24px;bottom:22px;display:flex;gap:8px;align-items:center;flex-wrap:wrap;max-width:calc(100vw - 48px)}
  #hud .b{position:relative;font:11px/1 "Share Tech Mono","Courier New",monospace;letter-spacing:.22em;color:#7dffc4;
    background:linear-gradient(180deg,rgba(20,60,45,.55),rgba(0,0,0,.65));border:1px solid rgba(125,255,196,.38);
    padding:12px 18px 11px 20px;cursor:pointer;text-shadow:0 0 8px rgba(80,255,180,.55);overflow:hidden;
    clip-path:polygon(9px 0,100% 0,100% calc(100% - 9px),calc(100% - 9px) 100%,0 100%,0 9px);transition:color .15s,box-shadow .15s,transform .1s}
  #hud .b:before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(0deg,rgba(125,255,196,.10) 0 1px,transparent 1px 3px);pointer-events:none}
  #hud .b:hover{color:#d9fff0;box-shadow:0 0 18px rgba(80,255,180,.35),inset 0 0 18px rgba(125,255,196,.12)}
  #hud .b:active{transform:translateY(1px)}
  #hud .b.on{color:#ffd9e0;border-color:#ff3452;background:linear-gradient(180deg,rgba(80,10,25,.7),rgba(0,0,0,.7));
    animation:bpulse 1.4s ease-in-out infinite}
  #hud .b.on:before{background:repeating-linear-gradient(0deg,rgba(255,60,90,.14) 0 1px,transparent 1px 3px)}
  @keyframes bpulse{0%,100%{box-shadow:0 0 22px rgba(255,40,80,.45),inset 0 0 20px rgba(255,40,80,.18)}50%{box-shadow:0 0 34px rgba(255,40,80,.7),inset 0 0 26px rgba(255,40,80,.3)}}
  #hud #bAuto.on,#hud #bXr.on,#hud #bSnd.on{color:#d9ecff;border-color:#3aa0ff;background:linear-gradient(180deg,rgba(8,34,66,.72),rgba(0,0,0,.7));   /* engaged, not alarmed: autopilot glows blue */
    animation:bpulseBlue 1.6s ease-in-out infinite}
  #hud #bAuto.on:before,#hud #bXr.on:before,#hud #bSnd.on:before{background:repeating-linear-gradient(0deg,rgba(80,170,255,.15) 0 1px,transparent 1px 3px)}
  #hud #bAuto.on:after,#hud #bXr.on:after,#hud #bSnd.on:after{color:rgba(150,205,255,.85)}
  #hud #bAuto.on i,#hud #bXr.on i,#hud #bSnd.on i{background:#3aa0ff;box-shadow:0 0 9px #3aa0ff}
  @keyframes bpulseBlue{0%,100%{box-shadow:0 0 22px rgba(58,160,255,.4),inset 0 0 20px rgba(58,160,255,.16)}50%{box-shadow:0 0 32px rgba(58,160,255,.62),inset 0 0 26px rgba(58,160,255,.26)}}
  #hud .b:after{content:attr(data-k);position:absolute;right:5px;top:3px;font-size:8px;letter-spacing:.06em;color:rgba(125,255,196,.5)}
  #hud .b.on:after{color:rgba(255,140,160,.85)}
  #hud .b i{position:absolute;left:7px;top:50%;width:4px;height:4px;margin-top:-2px;background:rgba(125,255,196,.55);transform:rotate(45deg);font-style:normal;transition:background .15s;z-index:2}
  #hud .b{perspective:230px;--dr:16px}
  .drumcore{position:relative;display:block;height:12px;min-width:9.5ch;transform-style:preserve-3d;transition:transform .55s cubic-bezier(.3,1.35,.45,1)}   /* wide enough for the longest label, so the drum never squeezes the button */
  .dface{position:absolute;inset:-6px 0;display:flex;align-items:center;justify-content:center;backface-visibility:hidden;white-space:nowrap}
  #hud .b.on i{background:#ff3452;box-shadow:0 0 9px #ff3452}
  @media (max-width: 760px){                                                   /* phones: one clean full-width bar, thumb-sized targets */
    #hud{left:0;right:0;bottom:0;display:flex;gap:8px;
      padding:10px calc(10px + env(safe-area-inset-right)) calc(10px + env(safe-area-inset-bottom)) calc(10px + env(safe-area-inset-left));
      background:linear-gradient(0deg, rgba(0,0,0,.72), rgba(0,0,0,0))}
    #hud{justify-content:space-between}
    #hud .b{flex:1 1 0;min-width:0;min-height:46px;padding:13px 10px 12px 10px;font-size:9.5px;letter-spacing:.12em;text-align:center}
    #hud .b i{display:none}                                                     /* symmetric labels: the diamond bows out on phones */
    #hud .b:after{display:none}
    #hud .b i{left:6px}
    #kicker{font-size:9px;right:calc(8px + env(safe-area-inset-right));top:8px}
    #home{top:calc(8px + env(safe-area-inset-top))}
  }
  body.bp{background:#1d4fae}
  body.bp #fx{opacity:.35}
  body.bp #hud .b,body.bp #home{color:#fff;border-color:rgba(255,255,255,.7);background:rgba(20,60,150,.55);text-shadow:none}
  body.bp #hud .b:after{color:rgba(255,255,255,.55)}
  body.bp #kicker{color:rgba(255,255,255,.8)}
  body.bp #help{color:#fff}
  #help{display:none;flex-basis:100%;font-size:11px;letter-spacing:.12em;color:#5f9dff;padding:6px 2px 0;text-shadow:0 0 6px rgba(80,150,255,.4)}
  #help.show{display:block}
  #home{position:fixed;left:24px;top:22px;width:42px;height:42px;border:1px solid rgba(125,255,196,.45);background:rgba(0,0,0,.55);color:#7dffc4;cursor:pointer;font:16px monospace;display:flex;align-items:center;justify-content:center}
  #home:hover{background:rgba(125,255,196,.12)}
  /* 街の黄色を面で使い、ツアーを飛ばせる主要操作だと一目で分かる入口にする。 */
  #skip{position:fixed;right:30px;bottom:28px;z-index:60;min-width:214px;min-height:58px;
    border:1px solid rgba(255,245,178,.92);background:linear-gradient(135deg,#ffe54c 0%,#ffd21f 58%,#e8ae00 100%);
    padding:0 22px;cursor:pointer;touch-action:manipulation;display:flex;align-items:center;justify-content:center;gap:17px;
    color:#100d02;box-shadow:0 0 0 1px rgba(255,199,0,.18),0 8px 28px rgba(255,190,0,.22),inset 0 1px rgba(255,255,255,.55);
    font:700 13px/1 "Share Tech Mono","Courier New",monospace;letter-spacing:.28em;text-indent:.28em;
    opacity:0;transform:translateX(8px);pointer-events:none;
    transition:opacity .8s ease,transform .8s cubic-bezier(.16,1,.3,1),filter .25s ease,box-shadow .25s ease}
  #skip .skip-content{display:contents}
  #skip.on{opacity:1;transform:none;pointer-events:auto}
  #skip u{position:relative;text-decoration:none}
  #skip i{position:relative;width:38px;height:2px;background:#100d02;flex:0 0 auto;
    transition:width .35s cubic-bezier(.16,1,.3,1)}
  #skip i:after{content:"";position:absolute;right:0;top:-4px;width:8px;height:8px;
    border-top:2px solid #100d02;border-right:2px solid #100d02;
    transform:rotate(45deg);transition:border-color .4s}
  #skip:hover{filter:brightness(1.08);box-shadow:0 0 0 1px rgba(255,232,120,.34),0 10px 38px rgba(255,202,0,.36),inset 0 1px rgba(255,255,255,.65)}
  #skip:hover i{width:48px}
  #skip:focus-visible{outline:2px solid #fff7c7;outline-offset:4px}
  #skip:active{transform:translateY(2px);filter:brightness(.98)}
  @media(max-width:760px){#skip{right:calc(16px + env(safe-area-inset-right));bottom:calc(18px + env(safe-area-inset-bottom));
      min-width:190px;min-height:54px;padding:0 18px;gap:14px;font-size:12px;letter-spacing:.22em;text-indent:.22em}
    #skip i{width:30px}
    #skip:hover i{width:38px}}
  #kicker{position:fixed;right:26px;top:26px;font-size:11px;letter-spacing:.26em;color:rgba(125,255,196,.55);text-align:right;line-height:1.8}
  #kicker em{font-style:normal;color:#fff}
  /* 右上の「TIARA AI SHIBUYA / 2046 · 14 FEEDS LIVE」と
     左下の CONTROLS バーは画面から外す。要素自体は残す（JSが id で参照しているため）*/
  #kicker,#hud{display:none!important}
  #banner{position:fixed;left:50%;top:50%;transform:translate(-50%,-50%);padding:24px 60px 20px;border:1px solid #ff3452;background:rgba(18,0,6,.84);text-align:center;display:none;box-shadow:0 0 40px rgba(255,40,80,.35),inset 0 0 30px rgba(255,40,80,.12)}
  #banner.show{display:block;animation:jit 2.4s steps(2) infinite}
  #banner h1{margin:0 0 12px;font:400 46px/1 "Share Tech Mono","Courier New",monospace;letter-spacing:.44em;text-indent:.44em;color:#ffdde2;text-shadow:0 0 14px #ff3452,0 0 2px #fff}
  #banner p{margin:0;font-size:12px;letter-spacing:.2em;color:#ff9aa8}
  @keyframes jit{0%,92%{transform:translate(-50%,-50%)}94%{transform:translate(calc(-50% - 3px),-50%)}96%{transform:translate(calc(-50% + 2px),calc(-50% + 1px))}}
  #fx{position:fixed;inset:0;pointer-events:none;background:repeating-linear-gradient(0deg,rgba(0,0,0,.16) 0 2px,transparent 2px 4px)}
  #fx:after{content:"";position:absolute;inset:0;background:radial-gradient(ellipse at center,transparent 50%,rgba(0,0,0,.8) 100%)}
  #boot{position:fixed;inset:0;background:#000;z-index:50;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;
    font:11px/1 "Share Tech Mono","Courier New",monospace;letter-spacing:.3em;color:#7dffc4;transition:opacity .5s}
  #boot.gone{display:none}
  #boot .bt{font-size:15px;letter-spacing:.5em;text-shadow:0 0 12px rgba(80,255,180,.5)}
  #boot .bwrap{position:relative;width:min(420px,70vw);height:12px;border:1px solid rgba(125,255,196,.4);
    clip-path:polygon(6px 0,100% 0,100% calc(100% - 6px),calc(100% - 6px) 100%,0 100%,0 6px);overflow:hidden}
  #boot .bwrap:before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(0deg,rgba(125,255,196,.12) 0 1px,transparent 1px 3px)}
  #boot .bfill{height:100%;width:0;background:linear-gradient(90deg,rgba(46,255,168,.35),#7dffc4);box-shadow:0 0 16px rgba(80,255,180,.6);transition:width .25s}
  #boot .bnum{font-size:10px;letter-spacing:.24em;color:rgba(125,255,196,.75)}
  #boot .bmsg{font-size:9px;letter-spacing:.2em;color:rgba(125,255,196,.45)}

#sload{position:fixed;inset:0;z-index:10000;background:#000;display:flex;flex-direction:column;align-items:center;justify-content:center;transition:opacity .8s;text-align:center;padding:24px;cursor:none}
#sload.hide{opacity:0;pointer-events:none}
#sload .sbrand{display:flex;align-items:center;justify-content:center;gap:.04em;margin:0 0 26px;
  font-family:'Space Grotesk','Share Tech Mono',sans-serif;font-weight:700;font-size:clamp(26px,5vw,44px);letter-spacing:.22em}
#sload .sbrand b{color:transparent;background:linear-gradient(180deg,#fff6d8 0%,#ffd400 58%,#c98f06 100%);
  -webkit-background-clip:text;background-clip:text;opacity:0}
#sload .sbrand .sp{width:.65em}
#sload.drop .sbrand b{animation:sDrop .62s cubic-bezier(.3,.7,.4,1) forwards}
#sload.drop .sbrand b:nth-child(1){animation-delay:.00s}
#sload.drop .sbrand b:nth-child(2){animation-delay:.08s}
#sload.drop .sbrand b:nth-child(3){animation-delay:.16s}
#sload.drop .sbrand b:nth-child(4){animation-delay:.24s}
#sload.drop .sbrand b:nth-child(5){animation-delay:.32s}
#sload.drop .sbrand b:nth-child(7){animation-delay:.44s}
#sload.drop .sbrand b:nth-child(8){animation-delay:.52s}
@keyframes sDrop{
  0%{opacity:0;transform:translateY(-2.6em)}
  45%{opacity:1;transform:translateY(0)}
  62%{transform:translateY(-.24em)}
  78%{transform:translateY(0)}
  88%{transform:translateY(-.08em)}
  100%{opacity:1;transform:translateY(0)}
}

#bAuto,#bInt,#bXr,#bSnd,#bRev{display:none}
#finale{position:fixed;inset:0;z-index:40;pointer-events:none;opacity:0;transition:opacity .5s}
#curTrail{position:fixed;inset:0;width:100vw;height:100vh;pointer-events:none;z-index:401;mix-blend-mode:screen}

#intro-scroll{display:none}
/* Mobile input is confined to the route surface; the site iframe keeps native scrolling. */
@media (pointer:coarse){
  html,body{height:100%;overflow:hidden;touch-action:pan-y}
  body>canvas{position:fixed;inset:0;pointer-events:none}
  #intro-scroll{display:block;position:fixed;inset:0;z-index:45;overflow-x:hidden;overflow-y:scroll;touch-action:none;overscroll-behavior:contain;scrollbar-width:none}
  #intro-scroll::-webkit-scrollbar{display:none}
  .intro-scroll-track{height:calc(100% + 5600px);pointer-events:none}
  #sload,#boot{pointer-events:none}
  body.hp-on #intro-scroll{display:none}
}