:root{
  --bg1:#071427;
  --accent:#2d8cff;
  --panel:#0e2a3a;
  --muted:#cfe8ff;
}
html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  background: #111;
  overflow: hidden;
  touch-action: manipulation;
  font-family:system-ui,-apple-system,Roboto,"Noto Sans JP",sans-serif;
  color:#fff;
}

/*
#game-wrap {
  width: 100vw;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
}
*/
#game-wrap {
  width: 100vw;
/*  height: var(--vh, 100vh);*/
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}
canvas {
  display: block;
  margin: 0 auto;
  touch-action: manipulation;
}
.hidden{display:none !important;}
.modal{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,0.5);z-index:1000}
.modalInner{width:90%;max-width:420px;background:linear-gradient(180deg,#0b2d3a,#07313f);padding:18px;border-radius:12px;border:2px solid rgba(255,255,255,0.04);box-shadow:0 12px 30px rgba(0,0,0,0.6)}
.modalMessage{font-size:20px;font-weight:800;color:#fff;margin-bottom:8px;text-align:center}
.modal input{width:100%;padding:10px;border-radius:8px;border:1px solid #275;box-sizing:border-box;margin-bottom:8px;background:#0e3946;color:#fff}
.controls{display:flex;gap:8px;justify-content:center;margin-top:10px;flex-wrap:wrap}
.btn{padding:10px 14px;border-radius:8px;border:0;background:var(--accent);color:#fff;cursor:pointer;font-weight:700}
.small{padding:8px 10px;font-size:14px}

#countDown, .countdown {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 1001;
  pointer-events: none;
  text-align: center;
  white-space: nowrap;
  font-family: "Noto Sans JP Rounded", "Noto Sans JP", sans-serif;
  font-weight: 900;
  letter-spacing: 0.04em;
  line-height: 1;
  font-size: clamp(40px, 8vw, 96px);
  color: #ffb84f;
  text-shadow:
      2px 2px 0 rgba(255,255,255,0.32),
      0 4px 6px rgba(0,0,0,0.25);
}
@media (max-width: 600px) {
  #countDown, .countdown {
    font-size: clamp(32px, 10vw, 60px);
    letter-spacing: 0.03em;
  }
}