/* ===== ゲーム画面（キャンバス周り） ===== */
#stage{
  position:relative;
}

canvas{
  display:block;
  border-radius:14px;
  background:#070714;
  box-shadow:
    0 0 0 1px rgba(120,220,255,.25),
    0 0 40px rgba(60,180,255,.18),
    0 0 120px rgba(255,60,220,.10);
  touch-action:none;
  cursor:none;
}

#pauseBtn{
  position:absolute;
  top:10px;
  right:10px;
  z-index:5;
  width:34px;
  height:34px;
  padding:0;
  font-size:13px;
  border-radius:9px;
  background:rgba(10,16,40,.6);
}

#pauseBtn.hidden{display:none;}