/* 出現 */
[data-animate] {
  opacity: 0;
  transition:
    opacity 0.8s ease,
    transform 0.8s ease;
  will-change: opacity, transform;
}

/* 下 → 上 */
[data-animate="fade-up"] {
  transform: translateY(20px);
}
[data-animate="fade-up"].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* 上 → 下 */
[data-animate="fade-down"] {
  transform: translateY(-20px);
}
[data-animate="fade-down"].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* 左 → 右 */
[data-animate="fade-left"] {
  transform: translateX(-20px);
}
[data-animate="fade-left"].is-visible {
  opacity: 1;
  transform: translateX(0);
}

/* 右 → 左 */
[data-animate="fade-right"] {
  transform: translateX(20px);
}
[data-animate="fade-right"].is-visible {
  opacity: 1;
  transform: translateX(0);
}

/* ズームイン */
[data-animate="zoom-in"] {
  transform: scale(0.8);
}
[data-animate="zoom-in"].is-visible {
  opacity: 1;
  transform: scale(1);
}

@media (prefers-reduced-motion: reduce) {
  [data-animate],
  [data-animate].is-visible {
    transition: none;
    transform: none;
    opacity: 1;
  }
}