:root{
  --sky:#a9dcfb; --navy:#1f2f6b; --navy-d:#131d48; --white:#fff; --yellow:#ffd23f; --orange:#ff8f1f;
  --red:#e8434b; --grass:#7fdc4a; --ink:#1f2f6b;
  --f:"M PLUS Rounded 1c", "Hiragino Maru Gothic ProN", "Hiragino Sans", system-ui, sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}
html,body{height:100%;overflow:hidden;background:var(--sky);color:var(--ink);font-family:var(--f);font-weight:800;
  -webkit-user-select:none;user-select:none;-webkit-touch-callout:none;overscroll-behavior:none;touch-action:none}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer;touch-action:manipulation}
#stage{position:fixed;inset:0}
#stage canvas{display:block;width:100%;height:100%}
#flash{position:fixed;inset:0;pointer-events:none;background:radial-gradient(ellipse at center,rgba(232,67,75,0) 40%,rgba(232,67,75,.55) 100%);opacity:0;transition:opacity .5s}
#flash.on{opacity:1;transition:none}

/* ---------- 走っている間の表示 ---------- */
#hud{position:fixed;inset:0;pointer-events:none;padding:calc(env(safe-area-inset-top) + 18px) 20px 0;text-align:center}
.chips{display:flex;justify-content:space-between;gap:12px;max-width:760px;margin:0 auto}
.chip{background:var(--white);border-radius:14px;padding:10px 20px;display:flex;align-items:baseline;gap:8px;
  box-shadow:0 5px 0 rgba(31,47,107,.18);font-size:22px;line-height:1;white-space:nowrap}
.chip small{font-size:17px;font-weight:800;color:var(--navy)}
.chip b{font-size:30px;font-weight:900;font-variant-numeric:tabular-nums}
.chip small.u{font-size:14px}
#hearts{display:flex;gap:4px;align-self:center}
#hearts svg{width:26px;height:26px;display:block;transition:transform .25s}
#hearts svg path{fill:var(--red)}
#hearts svg.off path{fill:#cfd5e2}
#hearts svg.lost{animation:lost .5s}
@keyframes lost{30%{transform:scale(1.6) rotate(-12deg)}100%{transform:scale(1)}}

.qbig,.streak,.tag,.logo,.over{font-weight:900;color:var(--navy);paint-order:stroke fill;-webkit-text-stroke:0}
.qbig{margin-top:14px;font-size:clamp(64px,11vw,108px);line-height:1.05;letter-spacing:.02em;
  text-shadow:0 0 0 #fff,
   -6px 0 0 #fff,6px 0 0 #fff,0 -6px 0 #fff,0 6px 0 #fff,-4px -4px 0 #fff,4px -4px 0 #fff,-4px 4px 0 #fff,4px 4px 0 #fff,
   0 10px 0 #fff,4px 9px 0 #fff,-4px 9px 0 #fff, 0 12px 0 rgba(31,47,107,.35)}
.qbig.pop{animation:qpop .35s ease-out}
@keyframes qpop{0%{transform:scale(.6);opacity:0}70%{transform:scale(1.08);opacity:1}100%{transform:scale(1)}}
.tag{height:0;overflow:visible;font-size:26px;color:var(--orange);position:relative;top:10px;
  text-shadow:-3px 0 0 #fff,3px 0 0 #fff,0 -3px 0 #fff,0 3px 0 #fff,-2px -2px 0 #fff,2px 2px 0 #fff,2px -2px 0 #fff,-2px 2px 0 #fff}
.streak{margin-top:6px;font-size:clamp(44px,7.5vw,72px);color:var(--orange);opacity:0;
  text-shadow:-5px 0 0 var(--navy),5px 0 0 var(--navy),0 -5px 0 var(--navy),0 5px 0 var(--navy),-4px -4px 0 var(--navy),4px -4px 0 var(--navy),-4px 4px 0 var(--navy),4px 4px 0 var(--navy),0 9px 0 var(--navy)}
.streak.on{animation:streak 1.3s ease-out forwards}
@keyframes streak{0%{opacity:0;transform:scale(.4) rotate(-6deg)}18%{opacity:1;transform:scale(1.18) rotate(2deg)}30%{transform:scale(1) rotate(0)}80%{opacity:1}100%{opacity:0;transform:translateY(-16px)}}
.qbig.ng{color:var(--red)}
.qbig.ok{color:var(--navy)}

/* ---------- はじめ・おわりの画面 ---------- */
.panel{position:fixed;left:50%;top:50%;transform:translate(-50%,-50%);width:min(560px,calc(100% - 40px));
  background:rgba(255,255,255,.94);border-radius:28px;padding:40px 36px 34px;text-align:center;
  box-shadow:0 10px 0 rgba(31,47,107,.25)}
.panel[hidden]{display:none}
.logo{font-size:84px;line-height:1;letter-spacing:.02em}
.logo span{color:var(--orange)}
.lead{margin-top:14px;font-size:20px;color:var(--navy)}
.dan{display:flex;gap:10px;margin-top:28px}
.dan button{flex:1;padding:16px 4px;border-radius:16px;background:#eef3fb;font-size:21px;color:var(--navy);
  box-shadow:inset 0 0 0 3px #dbe4f3}
.dan button.on{background:var(--yellow);box-shadow:inset 0 0 0 3px var(--navy),0 4px 0 var(--navy)}
.go{display:block;width:100%;margin-top:24px;padding:22px 0;border-radius:20px;background:var(--orange);color:#fff;
  font-size:44px;font-weight:900;letter-spacing:.1em;box-shadow:0 8px 0 #c4620a;
  text-shadow:0 3px 0 rgba(0,0,0,.18)}
.go:active{transform:translateY(6px);box-shadow:0 2px 0 #c4620a}
.sub{display:block;width:100%;margin-top:14px;padding:14px 0;font-size:20px;color:var(--navy);border-radius:14px;box-shadow:inset 0 0 0 3px #dbe4f3}
.opt{margin-top:18px}
.opt button{padding:8px 20px;border-radius:12px;font-size:18px;color:#7d87a6;box-shadow:inset 0 0 0 3px #dbe4f3}
.opt button.on{color:var(--navy);box-shadow:inset 0 0 0 3px var(--navy)}
.how{margin-top:16px;font-size:16px;color:#5b6688;font-weight:700}
.best{margin-top:8px;font-size:16px;color:#5b6688;font-weight:700;min-height:1em}
.over{font-size:64px;line-height:1}
.res{margin-top:22px;display:grid;gap:0}
.res div{display:flex;justify-content:space-between;align-items:baseline;padding:12px 6px;border-bottom:3px solid #e3e9f5}
.res div:first-child{border-top:3px solid #e3e9f5}
.res dt{font-size:22px;color:var(--navy)}
.res dd{font-size:44px;font-weight:900;font-variant-numeric:tabular-nums;color:var(--navy)}
.res dd small{font-size:18px;margin-left:4px}
.miss{margin-top:16px}
.miss[hidden]{display:none}
.miss p{font-size:17px;color:#5b6688}
.miss ul{list-style:none;display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-top:8px}
.miss li{font-size:20px;background:#fff1f1;color:var(--red);padding:6px 12px;border-radius:10px;font-variant-numeric:tabular-nums}

@media (max-width:620px){
  .chip{padding:8px 12px;font-size:18px}.chip small{font-size:14px}.chip b{font-size:24px}
  #hearts svg{width:20px;height:20px}
  .logo{font-size:60px}.dan button{font-size:17px}.go{font-size:34px}
}
@media (orientation:landscape) and (max-height:900px){
  .qbig{margin-top:6px;font-size:clamp(56px,9vh,96px)}
  .panel{padding:28px 32px 26px}
  .logo{font-size:68px}.dan{margin-top:20px}.go{margin-top:18px;padding:16px 0}
  .res div{padding:8px 6px}.res dd{font-size:38px}
}

/* 大きな文字の動きは重ね描きを使い回す(iPadで毎回描き直すとカクつく) */
.qbig,.streak,#hearts svg{will-change:transform,opacity;transform:translateZ(0)}