カード
Anime.js

Anime Flip Reveal Card

anime.jsでカードが滑らかにフリップし裏面が表示されるエフェクト。

HTML
<div class="afrc-card" id="afrc-card">
  <div class="afrc-face afrc-front"><h3>Front</h3><p>Click to flip</p></div>
  <div class="afrc-face afrc-back"><h3>Back</h3><p>Secret content</p></div>
</div>
CSS
.afrc-card {
  width: 240px;
  height: 160px;
  cursor: pointer;
  perspective: 800px;
  position: relative;
}
.afrc-face {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  border-radius: 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #e2e8f0;
}
.afrc-front { background: #1e293b; }
.afrc-back {
  background: #312e81;
  transform: rotateY(180deg);
}
.afrc-face h3 { margin: 0 0 4px; font-size: 18px; }
.afrc-face p { margin: 0; font-size: 12px; opacity: 0.7; }
JavaScript
const card = document.getElementById('afrc-card');
const front = card.querySelector('.afrc-front');
const back = card.querySelector('.afrc-back');
let flipped = false;
card.addEventListener('click', function() {
  flipped = !flipped;
  anime({
    targets: front,
    rotateY: flipped ? 180 : 0,
    duration: 600,
    easing: 'easeInOutQuad'
  });
  anime({
    targets: back,
    rotateY: flipped ? 360 : 180,
    duration: 600,
    easing: 'easeInOutQuad'
  });
});