@charset "utf-8";

/* =========================================================
     ホバーするとキラキラするボタン
========================================================= */

.header_button::before {
  width: 100%;
  height: 0;
  padding-top: 100%;
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  margin: auto;
}

/* キラキラ部分 */
.kirakira_button{
  position: relative;
  transition: all 0.3s;
}
.star {
  position: absolute;
  display: block;
  width: 20px; /* キラキラの横幅を指定 */
  height: 20px; /* キラキラの縦幅を指定 */
  background-image: url("../img/mouse_stalker_shine_1.svg"); /* キラキラの画像のパスを記入 */
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center center;
  animation: glitter 1s;
  pointer-events: none;
  margin: -10px  0 0 -10px;
}
.star.star_2 {
  background-image: url("../img/mouse_stalker_shine_2.svg");
}
.star.star_3 {
  background-image: url("../img/mouse_stalker_shine_3.svg");
}

/* キラキラが発生するアニメーション */
@keyframes glitter {
  0% {
    transform: scale(0);
    opacity: 0;
  }

  50% {
    transform: scale(1);
    opacity: 1;
  }

  100% {
    transform: scale(0);
    opacity: 0;
  }
}