/* 基本状態 */
.appear .item{
    transition: all 2.0s cubic-bezier(0.22, 1, 0.36, 1);
    transition-delay: 0.3s;
    opacity: 0;
    will-change: opacity, transform; /* ブラウザに描画のヒントを出す */
  }
  
  /* 方向のバリエーション（初期位置） */
  .appear.up .item   { transform: translateY(60px); }
  .appear.down .item { transform: translateY(-60px); }
  .appear.left .item { transform: translateX(80px); }
  .appear.right .item{ transform: translateX(-80px); }
  
  /* 発火時：共通の着地点 */
  .appear.inview .item{
    opacity: 1;
    transform: translate(0, 0);
  }
  .appear.inview .item:nth-child(1) {
    transition-delay: 0.2s;
  }
  .appear.inview .item:nth-child(2) {
    transition-delay: 0.4s;
  }
  .appear.inview .item:nth-child(3) {
    transition-delay: 0.6s;
  }
  .appear.inview .item:nth-child(4) {
    transition-delay: 0.8s;
  }
  .appear.inview .item:nth-child(5) {
    transition-delay: 1.0s;
  }
  .appear.inview .item:nth-child(6) {
    transition-delay: 1.2s;
  }
  .appear.inview .item:nth-child(7) {
    transition-delay: 1.4s;
  }
  .appear.inview .item:nth-child(8) {
    transition-delay: 1.6s;
  }
  .appear.inview .item:nth-child(9) {
    transition-delay: 1.8s;
  }
  .appear.inview .item:nth-child(10) {
    transition-delay: 2.0s;
  }
  .appear.inview .item:nth-child(11) {
    transition-delay: 2.2s;
  }
  .appear.inview .item:nth-child(12) {
    transition-delay: 2.4s;
  }