*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  background: #1a2a3a;
  font-family: "Segoe UI", "Trebuchet MS", "Helvetica Neue", sans-serif;
  color: #2c2418;
}

#game-wrap {
  position: relative;
  width: 100vw;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(ellipse at center, #2a4058 0%, #121c28 100%);
}

#stage {
  position: relative;
  width: fit-content;
  height: fit-content;
  max-width: 100%;
  max-height: 100%;
  line-height: 0;
}

#game {
  display: block;
  max-width: 100vw;
  max-height: 100vh;
  width: auto;
  height: auto;
  image-rendering: auto;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
  background: #87ceeb;
}

.hud {
  position: absolute;
  top: max(12px, env(safe-area-inset-top));
  left: max(16px, env(safe-area-inset-left));
  z-index: 2;
  pointer-events: none;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: #fff8e8;
  text-shadow: 0 1px 3px rgba(20, 30, 40, 0.7);
}

.hud.hidden {
  display: none;
}

.overlay {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(18, 28, 40, 0.55);
  backdrop-filter: blur(2px);
}

.overlay.hidden {
  display: none;
}

.card {
  width: min(440px, 100%);
  padding: 28px 32px 24px;
  border-radius: 16px;
  background: linear-gradient(165deg, #fff8ec 0%, #f0e2c8 100%);
  border: 2px solid rgba(90, 70, 40, 0.18);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
  text-align: center;
}

.card h1 {
  margin: 0 0 10px;
  font-size: clamp(2rem, 5vw, 2.6rem);
  font-weight: 700;
  letter-spacing: 0.04em;
  color: #3d2e1a;
}

.story {
  margin: 0 0 18px;
  font-size: 1.05rem;
  line-height: 1.4;
  color: #5a4a32;
}

.controls {
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
  text-align: left;
  font-size: 0.95rem;
  line-height: 1.55;
  color: #3f3424;
}

.controls li {
  margin: 0 0 6px;
  padding-left: 2px;
}

.controls strong {
  color: #2c2418;
}

.hint {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 600;
  color: #2a6b4a;
}

.touch-note {
  margin: 14px 0 0;
  font-size: 0.95rem;
  color: #8a3a2a;
  font-weight: 600;
}

.touch-note.hidden {
  display: none;
}

@media (max-width: 480px) {
  .card {
    padding: 22px 20px 18px;
  }

  .controls {
    font-size: 0.9rem;
  }
}