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

.stage {
  box-sizing: border-box;
  min-height: 100vh;
  display: grid;
  place-items: center;
  margin: 0;
  background: #ff4d1f;
  font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  padding: clamp(8px, 4vw, 24px);
}

.scb {
  position: relative;
  width: 100%;
  max-width: 260px;
  min-height: 160px;
  display: grid;
  align-content: end;
  overflow: hidden;
  border-radius: 16px;
  background: #fff7e6;
}

.scb__banner {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  transform: translateY(-60%);
  display: grid;
  gap: 8px;
  background: #c2361a;
  color: #fff7e6;
  padding: 12px 16px;
  text-align: center;
}

.scb__msg {
  font: 700 12px/1.4 -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
}

.scb__actions {
  display: flex;
  gap: 8px;
  justify-content: center;
}

.scb__choice {
  border: 0;
  border-radius: 8px;
  padding: 4px 12px;
  background: #fff7e6;
  color: #c2361a;
  font: 700 11px/1 -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  cursor: pointer;
}

.scb__choice--ghost {
  background: transparent;
  color: #fff7e6;
  border: 1px solid rgba(255, 247, 230, 0.6);
}

.scb__idle {
  padding: 24px 16px 20px;
  text-align: center;
  font: 600 13px/1 -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  color: rgba(23, 20, 26, 0.64);
}

@media (max-width: 340px) {
  .scb {
    max-width: 200px;
    min-height: 140px;
  }
  .scb__msg {
    font-size: 11px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .scb__choice {
    transition: none;
  }
}