:root{--ink:#0a0a0b;--panel:#151518;--line:#2a2a30;--white:#f7f7f5;--mute:#a6a6ad;--red:#eb0a1e;--red-deep:#b0000f;--hh:64px;--font:"LINE Seed JP","Hiragino Kaku Gothic ProN","Hiragino Sans",Meiryo,system-ui,sans-serif}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;border-radius:0}
html{-webkit-text-size-adjust:100%}
body{background:var(--ink);color:var(--white);font-family:var(--font);line-height:1.7;font-feature-settings:"palt";-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit}
button{font-family:inherit}
:focus-visible{outline:3px solid var(--red);outline-offset:3px}
.hdr{position:sticky;top:0;z-index:50;background:rgba(0,0,0,.88);border-bottom:2px solid var(--red);padding-top:env(safe-area-inset-top,0px)}
.hdr-in{max-width:1440px;margin:0 auto;height:var(--hh);padding:0 20px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.brand img{height:40px;width:auto;display:block}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;text-decoration:none;font-weight:800;font-size:14px;line-height:1.3;padding:12px 20px;border:2px solid transparent;cursor:pointer;background:none;color:inherit;text-align:center;transition:background .2s,color .2s,transform .2s}
.btn-red{background:var(--red);color:#fff}
.btn-red:hover{background:var(--red-deep)}
.btn-line{border-color:currentColor;color:var(--white)}
.btn-line:hover{background:#fff;color:#000;border-color:#fff}
.btn-lg{font-size:17px;padding:16px 30px}
a.btn:hover{transform:scale(1.03)}
@media (max-width:900px){.hdr .lbl-long{display:none}}
@media (min-width:901px){.hdr .lbl-short{display:none}}

.main{max-width:1200px;margin:0 auto;padding:16px 24px 64px}
.crumb ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px;font-size:12px;color:var(--mute)}
.crumb li+li::before{content:"/";margin-right:6px}
.crumb a{color:var(--mute)}
.ttl{font-weight:800;font-size:clamp(26px,3.6vw,44px);line-height:1.2;margin:10px 0 16px}
.ttl span{display:block;font-size:12px;letter-spacing:.18em;color:var(--red);margin-bottom:4px}

.game{position:relative;width:100%;aspect-ratio:16/9;background:#000;overflow:hidden;user-select:none;-webkit-user-select:none;touch-action:none;border:1px solid var(--line)}
#cv{position:absolute;inset:0;width:100%;height:100%;display:block}
.hud{position:absolute;left:0;right:0;top:0;display:flex;justify-content:space-between;align-items:flex-start;padding:10px 12px;pointer-events:none;font-weight:800;text-shadow:0 2px 6px rgba(0,0,0,.6)}
.hud p{display:flex;align-items:baseline;gap:6px;background:rgba(0,0,0,.55);padding:3px 10px;margin-bottom:4px;line-height:1.3}
.hud i{font-style:normal;font-size:11px;color:#ddd;letter-spacing:.08em}
.hud b{font-size:clamp(15px,2vw,22px);font-variant-numeric:tabular-nums}
.hud-r p{justify-content:flex-end}
.hud .gr{background:var(--red)}
.hud .gr i{color:#fff}
.msg{position:absolute;left:50%;top:38%;transform:translate(-50%,-50%);font-weight:800;font-size:clamp(28px,6vw,64px);letter-spacing:.06em;color:#fff;text-shadow:0 4px 14px rgba(0,0,0,.7);pointer-events:none;opacity:0;transition:opacity .2s;white-space:nowrap}
.msg.on{opacity:1}
.ov{position:absolute;inset:0;display:none;align-items:center;justify-content:center;background:rgba(0,0,0,.72);padding:16px;overflow:auto}
.ov.on{display:flex}
.ov-in{width:100%;max-width:560px;text-align:center;margin:auto}
.ov-en{font-size:12px;letter-spacing:.2em;color:var(--red);font-weight:800}
.ov h2{font-weight:800;font-size:clamp(24px,4vw,40px);line-height:1.3;margin:4px 0 14px}
.how{list-style:none;text-align:left;background:rgba(255,255,255,.06);border-left:4px solid var(--red);padding:12px 16px;margin-bottom:18px;font-size:14px;display:flex;flex-direction:column;gap:6px}
.how b{display:inline-block;min-width:7em;color:#fff}
.how .sp{display:none}
@media (hover:none),(max-width:820px){.how .pc{display:none}.how .sp{display:inline}}
.ov-best{font-size:13px;color:var(--mute);margin-top:10px}
.res{background:rgba(255,255,255,.06);padding:4px 18px;margin-bottom:8px;text-align:left}
.res div{display:flex;justify-content:space-between;gap:12px;padding:8px 0;border-bottom:1px solid rgba(255,255,255,.12)}
.res div:last-child{border-bottom:0}
.res dt{color:var(--mute);font-size:14px}
.res dd{font-weight:800;font-variant-numeric:tabular-nums}
.res .tot dd{font-size:24px;color:#fff}
.newbest{display:inline-block;background:var(--red);color:#fff;font-weight:800;padding:2px 12px;letter-spacing:.1em}
.ov-cta-lead{font-size:14px;margin:12px 0 12px;font-weight:700}
.ov-btns{display:flex;flex-direction:column;gap:8px;align-items:stretch}

.pad{display:none;gap:10px;justify-content:space-between;margin-top:10px;touch-action:none;user-select:none;-webkit-user-select:none}
.pad-l,.pad-r{display:flex;gap:10px}
.pb{width:76px;height:76px;background:#1d1d22;border:2px solid #3a3a42;color:#fff;font-weight:800;font-size:22px;touch-action:none;-webkit-tap-highlight-color:transparent}
.pb.on{background:#fff;color:#000}
.pb.accel{width:104px;background:var(--red);border-color:var(--red);font-size:15px}
.pb.accel.on{background:#fff;color:var(--red)}
.pb.brake{font-size:13px;width:70px}
@media (hover:none),(max-width:820px){.pad{display:flex}}

.info{margin-top:40px;border-top:1px solid var(--line);padding-top:28px}
.info h2{font-weight:800;font-size:22px;margin-bottom:8px}
.info p{color:#d6d6da;font-size:15px;max-width:48em}
.info-btns{display:flex;gap:10px;flex-wrap:wrap;margin:16px 0}
.disc{font-size:12px!important;color:var(--mute)!important}
footer{border-top:1px solid var(--line);padding:28px 24px calc(28px + env(safe-area-inset-bottom,0px));font-size:12px;color:var(--mute)}
.foot-in{max-width:1200px;margin:0 auto;display:flex;gap:16px;flex-wrap:wrap}
.foot-in a{color:#fff;font-weight:700}

@media (max-width:820px){
  .main{padding:12px 12px 48px}
  .game{aspect-ratio:auto;height:min(64svh,calc((100vw - 24px)*1.3))}
  .hdr-in{padding:0 12px}
  .brand img{height:32px}
  .btn{font-size:12px;padding:9px 12px}
  .btn-lg{font-size:15px;padding:14px 16px}
  .ov h2{margin-bottom:10px}
  .how{font-size:13px}
}
@media (max-width:380px){.pb{width:64px;height:68px}.pb.accel{width:88px}.pb.brake{width:60px}}
@media (max-height:500px) and (orientation:landscape){
  .game{aspect-ratio:auto;height:calc(100svh - var(--hh) - 20px)}
  .pad{position:fixed;left:0;right:0;bottom:8px;padding:0 12px;z-index:40;pointer-events:none}
  .pad .pb{pointer-events:auto;opacity:.8}
  .crumb,.ttl{display:none}
}

.ov .btn-line{background:#000}
.ov .btn-line:hover{background:#fff}
.game:has(.ov.on) .hud{opacity:0}
.plays{display:inline-flex;align-items:baseline;gap:6px;flex-wrap:wrap;font-weight:700;font-size:14px;margin:-4px 0 14px;padding:6px 14px;background:#000;border-left:4px solid var(--red)}
.plays b{font-weight:800;font-size:clamp(22px,2.6vw,30px);color:var(--red);font-variant-numeric:tabular-nums;letter-spacing:.02em;display:inline-block;transition:transform .25s}
.plays b.bump{transform:scale(1.25)}
.ib{display:inline-block}
.lbl2 .ib,.lbl-long .ib{white-space:nowrap}
.lbl2{text-align:center}