* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
  overflow: hidden;
}

body {
  background: #9de4f5
    url("https://pub-6e54d7a4f3eb4c8399b9d289e785f27e.r2.dev/background.jpg")
    center center / cover no-repeat;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  cursor: default;
}

#scene {
  position: relative;
  z-index: 1;
  width: 100vw;
  height: 100vh;
}

#ground-visual {
  position: fixed;
  z-index: 2;
  right: 0;
  bottom: 0;
  left: 0;
  height: clamp(56px, 5.47vw, 100px);
  background: url("https://pub-6e54d7a4f3eb4c8399b9d289e785f27e.r2.dev/ground.jpg")
    center bottom / 100% 100% no-repeat;
  pointer-events: none;
  user-select: none;
}

canvas {
  display: block;
  touch-action: none;
}

.hint {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255, 255, 255, 0.55);
  font-size: 14px;
  letter-spacing: 0.02em;
  pointer-events: none;
  user-select: none;
  z-index: 10;
}