:root{
    --z-index: 9999;
  }

/* 애니스러운 벚꽃잎 스타일 */
.sakura-petal {
  position: fixed;
  left: 0;
  top: 0;
  pointer-events: none;
  will-change: transform, opacity;
  z-index: var(--z-index);
  backface-visibility: hidden;
  border-radius: 60% 40% 70% 30% / 50% 60% 40% 50%;

  /* Glow 효과 */
  box-shadow:
    0 0 12px rgba(255, 120, 200, 0.6),
    0 0 24px rgba(255, 100, 220, 0.4),
    inset 0 2px 6px rgba(255, 255, 255, 0.5);

  /* 반짝임 + 애니톤 그라디언트 */
  background-image:
    radial-gradient(circle at 30% 25%, rgba(255, 150, 220, 1) 0%, rgba(255, 200, 240, 0.8) 40%, transparent 70%),
    linear-gradient(180deg, rgba(255, 160, 220, 0.95), rgba(200, 120, 255, 0.7));
  
  border: 1px solid rgba(255, 180, 255, 0.6);
  opacity: 0.9;

  /* 모션 줄이기 환경(시스템 설정) → 단순 표시 */
  @media (prefers-reduced-motion: reduce) {
    .sakura-petal { transition: none !important; opacity: 0.9; }
  }