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

body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #1a1020;
  font-family: "NeoDunggeunmo", "DungGeunMo", "Galmuri9", sans-serif;
}

/* 16:9 비율을 지킨 채 화면을 채우되 2400px(기존 960px의 250%)까지 확대 */
#app {
  width: min(2400px, 100vw, 170vh);
  padding: 0;
}

#game {
  display: block;
  width: 100%;
  height: auto;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  border: 6px solid #6b3fa0;
  box-shadow:
    0 0 0 6px #2a1a30,
    0 16px 50px rgba(0, 0, 0, 0.6);
  cursor: pointer;
  background: #f3e6cf;
}