/**
 * animation.css
 * 控えめな入場アニメーションのみ
 */

.reveal {
  opacity: 0;
  transition:
    opacity 0.5s ease,
    transform 0.5s ease;
  transition-delay: var(--reveal-delay, 0ms);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

.reveal--fade {
  transform: none;
}

.reveal--up {
  transform: translateY(16px);
}

@media (min-width: 960px) {
  .hero .device:nth-child(2) {
    animation: device-float 5.5s ease-in-out infinite;
  }
}

@keyframes device-float {
  0%,
  100% {
    transform: translateY(-4px);
  }
  50% {
    transform: translateY(-12px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .hero .device:nth-child(2) {
    animation: none;
  }
}