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

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

.stage {
  position: relative;
}

.badge {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 12px 24px;
  border-radius: 999px;
  background: #17141a;
  color: #fff7e6;
  font-weight: 700;
  font-size: clamp(15px, 4vw, 18px);
  line-height: 1;
  font-family: inherit;
  box-shadow: 0 14px 24px rgba(23, 20, 26, 0.32);
}

.badge::before,
.badge::after {
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #2f6df6;
  opacity: 0;
}

.badge::before {
  top: -5px;
  left: 8px;
}

.badge::after {
  bottom: -4px;
  right: 4px;
}

.badge.o-kira::before {
  animation: o-kira 1.8s ease-in-out infinite;
}

.badge.o-kira::after {
  animation: o-kira 1.8s ease-in-out infinite;
  animation-delay: 0.4s;
}

@keyframes o-kira {
  0%, 45%, 100% {
    opacity: 0;
    transform: scale(0.4);
  }
  62% {
    opacity: 1;
    transform: scale(1.3);
  }
  78% {
    opacity: 0;
    transform: scale(0.6);
  }
}
.tag {
  position: absolute;
  top: 16px;
  right: 16px;
  padding: 4px 12px;
  border-radius: 8px;
  background: rgba(23, 20, 26, 0.08);
  color: #17141a;
  font-weight: 700;
  font-size: 12px;
  line-height: 1;
  font-family: inherit;
  letter-spacing: 0.04em;
}

@media (prefers-reduced-motion: reduce) {
  .badge.o-kira::before, .badge.o-kira::after {
    animation: none;
  }
}