html, body {
  margin: 0;
  overflow: hidden;
}

.stage {
  box-sizing: border-box;
  min-height: 100vh;
  display: grid;
  place-items: center;
  margin: 0;
  background: #17141a;
  font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  padding: clamp(8px, 4vw, 24px);
}

.dqr {
  position: relative;
  width: 100%;
  max-width: 220px;
  height: 160px;
}

.dqr__item {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 32px;
  box-sizing: border-box;
  display: flex;
  align-items: center;
  padding: 0 12px;
  border-radius: 8px;
  background: #5b8cf8;
  color: #17141a;
  font: 600 13px/1 -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  cursor: grab;
  touch-action: none;
  user-select: none;
  will-change: transform;
}

.dqr__item--drag {
  cursor: grabbing;
  background: #fff7e6;
  box-shadow: 0 14px 24px rgba(23, 20, 26, 0.32);
  z-index: 2;
}

@media (max-width: 340px) {
  .dqr {
    max-width: 190px;
  }
  .dqr__item {
    height: 30px;
    font-size: 12px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .dqr__item {
    transition: none;
  }
}