:root{
  --bg:#231d19; --fg:#fff; --sub:rgba(255,255,255,.75);
  --panel:rgba(20,14,10,.9); --line:rgba(255,255,255,.22);
  --accent:#f4b63f; --warn:#ff6a4d; --good:#ffd34d;
  --x:#000;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;height:100%;overflow:hidden}
body{
  background:var(--bg);color:var(--fg);
  font-family:"Hiragino Sans","Hiragino Kaku Gothic ProN","Yu Gothic","Noto Sans JP",system-ui,sans-serif;
  touch-action:manipulation;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none;
}
.hidden{display:none !important}
button{
  font:inherit;color:var(--fg);background:rgba(0,0,0,.45);border:2px solid var(--line);
  border-radius:12px;min-height:44px;cursor:pointer;touch-action:manipulation;
}
button:focus-visible,input:focus-visible,a:focus-visible{outline:3px solid var(--accent);outline-offset:2px}

#app{display:flex;flex-direction:column;width:100%;max-width:420px;height:100vh;height:100dvh;margin:0 auto;position:relative}

/* ---------- 広告 ---------- */
.ad-bar{
  flex:none;position:relative;display:flex;align-items:center;justify-content:center;
  height:calc(58px + env(safe-area-inset-top,0px));padding-top:env(safe-area-inset-top,0px);
  background:#15110e;border-bottom:1px solid rgba(255,255,255,.08);
}
.ad-label{position:absolute;left:6px;bottom:4px;font-size:9px;color:rgba(255,255,255,.4);writing-mode:vertical-rl;letter-spacing:.1em}
.ad-slot{overflow:hidden;flex:none}
.ad-placeholder{
  display:flex;align-items:center;justify-content:center;
  border:1px dashed rgba(255,255,255,.28);border-radius:4px;color:rgba(255,255,255,.4);font-size:11px;
}
.ad-bar:has(.ad-empty) .ad-label{display:none}
.ad-rail{display:none;position:fixed;top:80px}
@media (min-width:1000px){
  .ad-rail{display:block}
  .ad-rail-left{right:calc(50% + 210px + 24px)}
  .ad-rail-right{left:calc(50% + 210px + 24px)}
}

/* ---------- ゲーム画面 ---------- */
#stage{flex:1;position:relative;overflow:hidden;min-height:0}
#cv{position:absolute;inset:0;width:100%;height:100%;display:block;touch-action:none}
/* 3D のゲームの WebGL キャンバス（#cv の下に置く） */
#stage canvas.gl{position:absolute;inset:0;width:100%;height:100%;display:block}

#hud{position:absolute;top:10px;left:56px;right:56px;text-align:center;pointer-events:none}
#hud-main{font-size:min(36px,9vw);font-weight:800;letter-spacing:.02em;text-shadow:0 2px 0 rgba(0,0,0,.55),0 0 8px rgba(0,0,0,.55)}
#hud-sub{font-size:13px;font-weight:700;color:#fff;text-shadow:0 1px 0 rgba(0,0,0,.7),0 0 5px rgba(0,0,0,.7);min-height:1em}

/* 上の広告から離す（広告のすぐそばにボタンを置くと誤クリックを誘うとして AdMax の規約で禁止） */
.icon-btn{position:absolute;top:36px;width:44px;height:44px;padding:0;font-size:20px;line-height:1;z-index:5}
#btn-rank{left:10px}
#btn-mute{right:10px}

#msg{
  position:absolute;left:0;right:0;top:36%;transform:translateY(-50%);text-align:center;pointer-events:none;
  font-size:min(50px,11vw);font-weight:900;letter-spacing:.04em;
  text-shadow:0 3px 0 rgba(0,0,0,.45),0 0 18px rgba(0,0,0,.5);z-index:3;
}
#msg.good{color:var(--good)}
#msg.bad{color:var(--warn)}
#msg.info{color:#fff;font-size:min(30px,7vw)}
#msg.show{animation:msgPop .45s cubic-bezier(.2,1.6,.4,1) both}
#msg.bad.show{animation:msgPop .45s cubic-bezier(.2,1.6,.4,1) both,msgShake .4s .45s ease-in-out both}
@keyframes msgPop{from{opacity:0;transform:translateY(-50%) scale(2.4)}to{opacity:1;transform:translateY(-50%) scale(1)}}
@keyframes msgShake{0%,100%{transform:translateY(-50%) translateX(0)}20%{transform:translateY(-50%) translateX(-10px)}40%{transform:translateY(-50%) translateX(9px)}60%{transform:translateY(-50%) translateX(-6px)}80%{transform:translateY(-50%) translateX(3px)}}

/* タイトル（最初だけ）とヒント（もう一回のとき） */
#title-ov{
  position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;
  padding:0 24px 18%;text-align:center;pointer-events:none;z-index:2;
  background:linear-gradient(rgba(0,0,0,.55),rgba(0,0,0,.15) 70%,rgba(0,0,0,0));
}
#title-ov h1{margin:0 0 14px;font-size:min(38px,9.5vw);font-weight:900;line-height:1.15;text-shadow:0 3px 0 rgba(0,0,0,.4)}
#title-ov .howto{font-size:15px;line-height:1.7;white-space:pre-line;color:#fff;text-shadow:0 1px 3px rgba(0,0,0,.8)}
#title-ov .best{margin-top:10px;font-size:14px;color:var(--sub)}
.blink{margin-top:22px;font-size:20px;font-weight:800;color:var(--accent);animation:blink 1.1s ease-in-out infinite;text-shadow:0 2px 0 rgba(0,0,0,.4)}
#hint{position:absolute;left:0;right:0;bottom:22%;text-align:center;pointer-events:none;z-index:2}
@keyframes blink{50%{opacity:.35}}

/* ---------- 結果 ---------- */
#result{
  position:absolute;inset:auto 0 0 0;display:flex;justify-content:center;
  padding:0 12px calc(env(safe-area-inset-bottom,0px) + 12px);z-index:4;pointer-events:none;
}
#result .panel{pointer-events:auto;width:100%;max-width:380px;animation:panelIn .35s ease-out both}
@keyframes panelIn{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}
/* 動き続けるキャンバスの上なので backdrop-filter（ぼかし）は使わない（毎フレームぼかし直しになり重い） */
.panel{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:14px;text-align:center}
#r-rank{font-size:min(22px,5.8vw);font-weight:800;color:var(--accent);line-height:1.25}
#r-score{font-size:min(40px,10vw);font-weight:900;line-height:1.1;margin:2px 0}
#r-best{font-size:14px;color:var(--sub)}
#r-best.new{color:var(--good);font-weight:800}
#r-world{font-size:14px;margin:6px 0 12px;min-height:1.4em;color:#fff}
.btns{display:flex;gap:8px}
.btns button{flex:1;height:52px;font-size:17px;font-weight:800}
#btn-again{border-color:var(--accent);background:rgba(244,182,63,.18)}
#btn-x{background:var(--x);border-color:#444}
.subrow{display:flex;gap:8px;margin-top:8px}
.subrow button,.subrow a{flex:1;min-height:40px;font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center;gap:4px;
  border-radius:10px;border:1px solid var(--line);background:rgba(255,255,255,.06);color:var(--fg);text-decoration:none;padding:0 6px;
  min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.subrow a{display:block;line-height:40px;text-align:center}

/* ---------- ランキング ---------- */
#ranking{position:absolute;inset:0;z-index:10;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,.55);padding:12px}
#ranking .panel{width:100%;max-width:380px;max-height:92%;display:flex;flex-direction:column;text-align:left;padding:12px}
#ranking h2{margin:0 0 8px;font-size:18px;text-align:center}
.tabs{display:flex;gap:6px;margin-bottom:8px}
.tabs button{flex:1;min-height:36px;font-size:14px;font-weight:700}
.tabs button[aria-selected="true"]{border-color:var(--accent);color:var(--accent)}
.name-row{display:flex;gap:6px;margin-bottom:8px}
.name-row input{flex:1;min-width:0;height:40px;border-radius:10px;border:1px solid var(--line);background:rgba(255,255,255,.08);color:#fff;font:inherit;font-size:16px;padding:0 10px;-webkit-user-select:text;user-select:text}
.name-row button{min-height:40px;padding:0 12px;font-size:14px;font-weight:700}
#rank-list{list-style:none;margin:0;padding:0;overflow:auto;flex:1;min-height:120px;touch-action:pan-y}
#rank-list li{display:flex;gap:8px;align-items:center;padding:7px 6px;border-bottom:1px solid rgba(255,255,255,.08);font-size:15px}
#rank-list li.me{background:rgba(244,182,63,.16);border-radius:8px}
#rank-list .no{width:2.6em;text-align:right;font-weight:800;color:var(--sub);flex:none}
#rank-list li:nth-child(-n+3) .no{color:var(--accent)}
#rank-list .nm{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
#rank-list .sc{font-weight:800;flex:none}
#rank-note{font-size:12px;color:var(--sub);text-align:center;margin:6px 0}
#btn-rank-close{margin-top:8px;width:100%}