/* layout: arcade cabinet in one column — score strip on top, square neon maze, controls under it. Single dark look by choice. */
:root{
  --bg:#150a36; --bg2:#2b0f5e; --panel:#22125a; --line:#3e2b8c;
  --floor:#1c0f4c; --dot:#34237a; --start:rgba(92,225,255,.14);
  --wall:#5ce1ff; --wallcore:#e8fcff;
  --ink:#fff4e0; --muted:#a99be0;
  --hot:#ff3e9a; --hotdeep:#a3125c; --gold:#ffcf3a; --lime:#9dff5a;
  --veil:rgba(21,10,54,.86); --onhot:#fff4e0; --glow:rgba(255,207,58,.55); --flash:#fff4e0; --fogrgb:12,5,34;
  --display:"Dela Gothic One","Hiragino Sans","Yu Gothic",sans-serif;
  --body:"Zen Kaku Gothic New","Hiragino Sans","Yu Gothic",system-ui,sans-serif;
  color-scheme:dark;
}
/* クラシック：白黒で落ち着いた見た目（本人の案） */
:root[data-skin="classic"]{
  --bg:#efeee9; --bg2:#fbfbf8; --panel:#ffffff; --line:#d3d2cb;
  --floor:#fbfbf8; --dot:#e1e0da; --start:rgba(0,0,0,.05);
  --wall:#1d1d1b; --wallcore:#1d1d1b; --ink:#1d1d1b; --muted:#6c6b66;
  --hot:#1d1d1b; --hotdeep:#8a8a84; --gold:#1d1d1b; --lime:#1d1d1b;
  --veil:rgba(239,238,233,.93); --onhot:#fbfbf8; --glow:rgba(0,0,0,0); --flash:#ffffff; --fogrgb:239,238,233;
  color-scheme:light;
}
:root[data-skin="classic"] .banner .big{text-shadow:0 0 6px var(--floor),0 0 16px var(--floor),3px 3px 0 var(--hotdeep)}
[hidden]{display:none!important}
html,body{min-height:100%}
body{
  background:var(--bg);
  color:var(--ink);font-family:var(--body);
  padding-left:max(16px,env(safe-area-inset-left,0px));
  padding-right:max(16px,env(safe-area-inset-right,0px));
  padding-block:12px 20px;
  overflow-x:hidden;
}
.wrap{max-width:680px;margin-inline:auto;display:flex;flex-direction:column;gap:10px}
.hud{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:6px}
.stat{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:6px 10px;display:flex;flex-direction:column;gap:2px;min-width:0}
.stat small{font-size:11px;letter-spacing:.08em;color:var(--muted);font-weight:700}
.stat b{font-family:var(--display);font-weight:400;font-size:clamp(17px,4.6vw,26px);line-height:1.1;font-variant-numeric:tabular-nums;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
#tTime{color:var(--gold)}
.stat.danger{border-color:var(--hot)}
.stat.danger b{color:var(--hot);animation:blink .5s steps(2) infinite}
@keyframes blink{50%{opacity:.45}}
.pips{letter-spacing:.12em;color:var(--lime)}

.stage{position:relative;width:min(100%,640px,calc(100vh - 200px));width:min(100%,640px,calc(100dvh - 200px));min-width:min(100%,260px);aspect-ratio:1;max-width:100%;margin-inline:auto;border-radius:14px;overflow:hidden;box-shadow:0 0 0 2px var(--line),0 18px 50px rgba(0,0,0,.45);background:var(--floor)}
#maze{position:absolute;inset:0;width:100%;height:100%;display:block;touch-action:none;cursor:crosshair}
.flash{position:absolute;inset:0;background:var(--flash);opacity:0;pointer-events:none}

.overlay{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;padding:20px;text-align:center;background:var(--veil)}
.logo{font-family:var(--display);font-weight:400;font-size:clamp(30px,8vw,52px);line-height:1.05;margin:0;text-wrap:balance}
.logo .a{color:var(--gold);text-shadow:3px 3px 0 var(--hotdeep)}
.logo .b{color:var(--hot);text-shadow:3px 3px 0 var(--hotdeep);display:inline-block;transform:rotate(-3deg)}
.lead{margin:0;max-width:30em;line-height:1.7;font-size:15px}
.rules{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:4px;font-size:13px;color:var(--muted);line-height:1.6}
.rules b{color:var(--ink)}
.day{font-size:12px;letter-spacing:.1em;color:var(--lime);font-weight:700}

.btn{font-family:var(--display);font-weight:400;font-size:20px;color:var(--onhot);background:var(--hot);border:0;border-radius:999px;padding:12px 34px;box-shadow:0 6px 0 var(--hotdeep);cursor:pointer;transition:transform .08s}
.btn:active{transform:translateY(4px);box-shadow:0 2px 0 var(--hotdeep)}
.btn.sub{font-family:var(--body);font-weight:700;font-size:14px;color:var(--ink);background:var(--panel);border:1px solid var(--line);box-shadow:none;padding:9px 16px}
.btn:focus-visible{outline:3px solid var(--gold);outline-offset:3px}
.btn[disabled]{opacity:.4;cursor:default}

.result{font-family:var(--display);font-size:clamp(56px,16vw,104px);line-height:1;color:var(--gold);text-shadow:4px 4px 0 var(--hotdeep);font-variant-numeric:tabular-nums}
.result small{font-size:.32em;color:var(--ink);text-shadow:none;margin-left:.15em}
.best{font-size:14px;color:var(--muted)}
.best b{color:var(--lime)}
.share{display:flex;gap:8px;align-items:stretch;width:min(100%,420px)}
.share input{flex:1;min-width:0;background:var(--floor);color:var(--ink);border:1px solid var(--line);border-radius:8px;padding:8px 10px;font:inherit;font-size:13px}
.row{display:flex;gap:10px;flex-wrap:wrap;justify-content:center}

.banner{position:absolute;inset:0;display:grid;place-content:center;justify-items:center;pointer-events:none;text-align:center;gap:6px}
.banner .big{font-family:var(--display);font-size:clamp(40px,12vw,92px);line-height:1;color:var(--gold);text-shadow:4px 4px 0 var(--hotdeep),0 0 30px var(--glow)}
.banner .sub{font-weight:700;font-size:clamp(14px,3.6vw,20px);background:var(--hot);color:var(--onhot);padding:3px 14px;border-radius:999px}
.banner.pop{animation:pop 1.15s cubic-bezier(.2,.9,.3,1.2) both}
@keyframes pop{0%{transform:scale(.2) rotate(-10deg);opacity:0}22%{transform:scale(1.18) rotate(3deg);opacity:1}40%{transform:scale(.94) rotate(-1deg)}55%{transform:scale(1) rotate(0)}85%{opacity:1}100%{opacity:0;transform:scale(1.06)}}
.toast{position:absolute;top:10px;left:50%;transform:translateX(-50%);background:var(--panel);border:1px solid var(--hot);color:var(--ink);font-weight:700;font-size:14px;padding:5px 14px;border-radius:999px;pointer-events:none;white-space:nowrap}
.toast.show{animation:toast 1.4s ease both}
@keyframes toast{0%{opacity:0;transform:translate(-50%,-8px)}15%,75%{opacity:1;transform:translate(-50%,0)}100%{opacity:0}}

.controls{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;align-items:center}
.ready{position:absolute;left:0;right:0;bottom:12%;display:flex;flex-direction:column;align-items:center;gap:8px;text-align:center;pointer-events:none;padding-inline:16px}
.ready.top{top:8%;bottom:auto}
.ready b{font-family:var(--display);font-weight:400;font-size:clamp(20px,5.4vw,34px);line-height:1.3;color:var(--ink);text-shadow:3px 3px 0 var(--hotdeep)}
.ready span{font-size:13px;color:var(--muted)}
.vol{display:flex;align-items:center;gap:6px;font-size:13px;font-weight:700;color:var(--muted)}
.vol input{width:110px;accent-color:var(--hot)}
.hint{margin:0;text-align:center;font-size:12px;color:var(--muted);line-height:1.7}
.note{margin:0;text-align:center;font-size:11px;color:var(--muted);opacity:.8}
#fx{position:fixed;inset:0;pointer-events:none;z-index:20}
@media (prefers-reduced-motion: reduce){.banner.pop{animation-duration:.8s}.stat.danger b{animation:none}}

.rank{width:min(100%,420px);margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:2px;font-size:13px;max-height:200px;overflow:auto}
.rank li{display:grid;grid-template-columns:2.4em 1fr auto;gap:8px;align-items:baseline;padding:3px 10px;border-radius:6px;background:var(--panel);text-align:left}
.rank li.me{outline:2px solid var(--gold)}
.rank .no{font-family:var(--display);color:var(--gold);font-variant-numeric:tabular-nums}
.rank .nm{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.rank .sc{font-variant-numeric:tabular-nums;font-weight:700}
.rank .sc small{color:var(--muted);font-weight:500;margin-left:4px}
.rankhead{font-size:12px;font-weight:700;color:var(--muted);letter-spacing:.08em}
.nick{font-size:13px;color:var(--muted)}
.nick b{color:var(--ink)}
.back{font-size:13px;color:var(--muted);text-decoration:none}
.back:hover{color:var(--ink)}
.topbar{display:flex;justify-content:space-between;align-items:center;gap:8px}
.overlay{overflow:auto}

/* 背景：地面 → 空 → 成層圏 → 宇宙 → 星雲 → 光（レベルで切りかわる） */
#sky{position:fixed;inset:0;z-index:-2;pointer-events:none;background:var(--bg)}
#sky .l{position:absolute;inset:0;opacity:0;transition:opacity 1.6s ease}
#sky .l.on{opacity:1}
#sky .l0{background:linear-gradient(180deg,#6fb7ee 0%,#a9dcff 46%,#9ed27a 62%,#5f9442 78%,#3f6a2b 100%)}
#sky .l1{background:linear-gradient(180deg,#2f7fdc 0%,#6fb4f5 45%,#cfe9ff 100%)}
#sky .l2{background:linear-gradient(180deg,#141a5c 0%,#5a3a9e 42%,#e06a6a 78%,#ffc27a 100%)}
#sky .l3{background:radial-gradient(ellipse at 50% 125%,#2b56b8 0%,#0c1036 42%,#03030b 100%)}
#sky .l4{background:radial-gradient(circle at 28% 30%,rgba(255,62,154,.5),transparent 42%),radial-gradient(circle at 76% 62%,rgba(92,225,255,.42),transparent 46%),radial-gradient(circle at 55% 90%,rgba(157,255,90,.18),transparent 40%),#05030f}
#sky .l5{background:radial-gradient(circle at 50% 50%,#ffffff 0%,#fff6d2 22%,#ffd45a 52%,#ff9a4a 100%)}
:root[data-skin="classic"] #sky{filter:grayscale(1)}
#stars{position:fixed;inset:0;width:100vw;height:100vh;z-index:-1;pointer-events:none}
body{background:var(--bg)}
.stage{background:transparent}
.topbar,.hint,.note{background:var(--veil);border-radius:10px;padding:4px 10px}
.hint,.note{align-self:center}
@media (prefers-reduced-motion: reduce){#sky .l{transition:none}}
.vol{background:var(--veil);border-radius:999px;padding:4px 12px}

/* 派手な演出 */
.banner .big{text-shadow:-3px 0 rgba(92,225,255,.85),3px 0 rgba(255,62,154,.85),4px 4px 0 var(--hotdeep),0 0 34px var(--glow)}
@keyframes skypop{0%{opacity:0;transform:scale(.3);letter-spacing:-.2em}20%{opacity:1;transform:scale(1.12);letter-spacing:.08em}40%{transform:scale(1)}80%{opacity:1}100%{opacity:0;transform:scale(1.6);letter-spacing:.3em}}
#bigflash{position:fixed;inset:0;background:#fff;opacity:0;pointer-events:none;z-index:15}
#vignette{position:fixed;inset:0;pointer-events:none;z-index:14;opacity:0;box-shadow:inset 0 0 160px 30px rgba(255,30,70,.7)}
#vignette.on{animation:vig 1s ease-in-out infinite}
@keyframes vig{0%,100%{opacity:.25}15%{opacity:.95}35%{opacity:.4}50%{opacity:.8}}
:root[data-skin="classic"] #vignette{box-shadow:inset 0 0 160px 30px rgba(0,0,0,.55)}
@media (prefers-reduced-motion: reduce){#vignette.on{animation:none;opacity:.5}}

/* アカウント：上の帯のボタンと、小さな画面（登録・ログイン・復旧・アカウントを消す） */
.nick{display:flex;align-items:center;gap:6px;flex-wrap:wrap;justify-content:flex-end;min-width:0}
.nick b{overflow-wrap:anywhere}
.mini{font:inherit;font-size:12px;font-weight:700;color:var(--ink);background:var(--panel);border:1px solid var(--line);border-radius:999px;padding:3px 10px;cursor:pointer}
.mini:hover{border-color:var(--hot)}
.mini:focus-visible,.link:focus-visible,.tabs button:focus-visible{outline:3px solid var(--gold);outline-offset:2px}
body.busy .topbar .mini{visibility:hidden}
.acct{box-sizing:border-box;width:min(100% - 32px,400px);max-height:calc(100dvh - 32px);overflow:auto;background:var(--panel);color:var(--ink);border:1px solid var(--line);border-radius:16px;padding:20px;box-shadow:0 18px 50px rgba(0,0,0,.5);font-family:var(--body)}
.acct::backdrop{background:rgba(5,2,15,.7)}
:root[data-skin="classic"] .acct::backdrop{background:rgba(29,29,27,.45)}
.acct [data-pane]{display:flex;flex-direction:column;gap:10px}
.acct h2{font-family:var(--display);font-weight:400;font-size:20px;line-height:1.35;margin:0;color:var(--gold)}
.acct p{margin:0;font-size:14px;line-height:1.7}
.acct label{display:flex;flex-direction:column;gap:4px;font-size:13px;font-weight:700;color:var(--muted)}
.acct input{font:inherit;font-size:16px;color:var(--ink);background:var(--floor);border:1px solid var(--line);border-radius:8px;padding:9px 10px;width:100%;box-sizing:border-box}
.acct input:focus{outline:2px solid var(--gold);outline-offset:1px}
.acct small{font-size:12px;color:var(--muted);line-height:1.6;margin-top:-4px}
.acct .notes{margin:0;padding-left:1.2em;font-size:12px;color:var(--muted);line-height:1.7}
.acct .notes b{color:var(--ink)}
.acct .err{color:var(--hot);font-weight:700;font-size:13px;min-height:1em}
:root[data-skin="classic"] .acct .err{color:#b3261e}
.acct .col{display:flex;flex-direction:column;gap:10px}
.acct .row{justify-content:flex-start}
.acct .btn{font-size:17px;padding:10px 26px}
.acct .btn.sub{font-size:14px;padding:9px 16px}
.btn.danger{background:#d6334a;box-shadow:0 6px 0 #7d1424}
.tabs{display:flex;gap:4px;background:var(--floor);border-radius:999px;padding:3px;align-self:flex-start}
.tabs button{font:inherit;font-size:13px;font-weight:700;color:var(--muted);background:none;border:0;border-radius:999px;padding:5px 14px;cursor:pointer}
.tabs button[aria-selected="true"]{background:var(--hot);color:var(--onhot)}
.link{font:inherit;font-size:13px;color:var(--muted);background:none;border:0;padding:2px 0;text-decoration:underline;cursor:pointer;align-self:flex-start}
.acct .code{display:block;font-family:ui-monospace,"Cascadia Mono",Consolas,monospace;font-size:clamp(22px,7vw,30px);font-weight:700;letter-spacing:.08em;text-align:center;padding:12px;border-radius:10px;background:var(--floor);border:1px dashed var(--gold);color:var(--ink);user-select:all}
.acct .warn{font-weight:700;color:var(--lime)}
:root[data-skin="classic"] .acct .warn{color:var(--ink)}
.acct [data-pane="code"] .btn.sub{align-self:center}
.topbar .back,.note .back{white-space:nowrap}

/* v1-2：速報の帯・言語・アイテム・設定・ランキングの入れかわり・上位に入ったときの演出 */
.news{display:flex;align-items:center;gap:8px;background:var(--veil);border:1px solid var(--line);border-radius:999px;padding:4px 12px;font-size:13px;overflow:hidden;min-width:0}
.news .tag{font-family:var(--display);font-size:11px;color:var(--onhot);background:var(--hot);border-radius:999px;padding:1px 8px;flex:none}
.news .msg{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0}
.news .msg.in{animation:newsin .5s ease both}
@keyframes newsin{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.langs{display:flex;gap:4px;margin-left:auto}
.langs .mini{padding:2px 8px;font-size:11px}
.langs .mini[aria-pressed="true"]{border-color:var(--gold);color:var(--gold)}
body.busy .news,body.busy .langs{display:none!important}
.items{display:flex;gap:6px;justify-content:center;align-items:center;flex-wrap:wrap}
.items .label{font-size:12px;font-weight:700;color:var(--muted);background:var(--veil);border-radius:999px;padding:3px 10px}
.item{display:flex;align-items:center;gap:6px;font:inherit;font-size:14px;font-weight:700;color:var(--ink);background:var(--panel);border:2px solid var(--line);border-radius:999px;padding:6px 14px;cursor:pointer;touch-action:manipulation}
.item .ic{color:var(--gold)}
.item b{font-family:var(--display);font-weight:400;color:var(--lime);min-width:1ch}
.item.sel{border-color:var(--gold);box-shadow:0 0 0 2px var(--glow)}
.item.armed{border-color:var(--lime)}
.item[disabled]{opacity:.4;cursor:default}
.item:focus-visible{outline:3px solid var(--gold);outline-offset:2px}
.itempop{position:absolute;inset:0;display:grid;place-content:center;pointer-events:none;font-family:var(--display);font-size:clamp(34px,10vw,72px);color:var(--lime);text-align:center;text-shadow:0 0 18px rgba(157,255,90,.7),4px 4px 0 var(--hotdeep)}
:root[data-skin="classic"] .itempop{color:var(--ink);text-shadow:0 0 8px var(--floor),3px 3px 0 var(--hotdeep)}
.itempop.pop{animation:skypop 1.4s cubic-bezier(.2,.9,.3,1) both}
.rank .sc .dn{font-weight:700}
.rank li.moved{animation:moved 1.6s ease-out 2}
@keyframes moved{0%{background:var(--gold);color:var(--bg)}100%{background:var(--panel)}}
.celebrate{position:absolute;inset:0;display:grid;place-content:center;justify-items:center;gap:4px;pointer-events:none;text-align:center;z-index:5}
.celebrate b{font-family:var(--display);font-weight:400;font-size:clamp(38px,11vw,84px);color:var(--gold);text-shadow:-3px 0 rgba(92,225,255,.85),3px 0 rgba(255,62,154,.85),4px 4px 0 var(--hotdeep),0 0 34px var(--glow);white-space:nowrap}
.celebrate .crown{font-size:clamp(80px,26vw,200px);line-height:1;color:var(--gold);text-shadow:0 0 30px var(--glow),5px 5px 0 var(--hotdeep)}
.celebrate.pop{animation:pop 2.1s cubic-bezier(.2,.9,.3,1.2) both}
:root[data-skin="classic"] .celebrate b,:root[data-skin="classic"] .celebrate .crown{color:var(--ink);text-shadow:0 0 6px var(--floor),3px 3px 0 var(--hotdeep)}
.setgrid{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.acct .vol{background:none;padding:0}
.danger-sub{color:#e5485d!important;border-color:rgba(229,72,93,.5)!important;align-self:flex-start}
@media (prefers-reduced-motion: reduce){.rank li.moved{animation:none;outline:2px solid var(--gold)}.celebrate.pop,.itempop.pop{animation-duration:.8s}.news .msg.in{animation:none}}

/* v1-4-2：スマホの幅の見た目。上の行のボタンの文字は折り返さない（せまいときは字と余白を詰め、それでも入らなければ行を2段に）。
   真ん中の枠の中身が枠より高いときは、上からならべる（真ん中にそろえると、上にはみ出した分がスクロールでも見えなかった） */
.topbar .mini{white-space:nowrap}
.overlay{justify-content:safe center}
@media (max-width: 420px){
  .topbar{flex-wrap:wrap;row-gap:4px;gap:6px;padding:4px 8px}
  .topbar .back{font-size:12px}
  .topbar .mini{font-size:11px;padding:3px 8px}
  .langs .mini{padding:2px 6px}
  .nick{margin-left:auto}
}

/* v1-4-3：遊び方の3行は、タイトルの枠から小さな画面へ */
.acct .rules{gap:10px;font-size:14px}