.popup-overlay {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: rgba(0, 0, 0, 0.5);
      display: flex;
      justify-content: center;
      align-items: center;
      opacity: 0;
      visibility: hidden;
      transition: opacity 0.5s ease-in-out, visibility 0.5s;
    }

    .popup {
      background: white;
      padding: 7px;
      border-radius: 8px;
      position: relative;
      width: 265px;
      text-align: center;
    }

    .close-btn {
      position: absolute;
      top: 10px;
      right: 10px;
      background: none;
      border: none;
      font-size: 18px;
      cursor: pointer;
    }

    .popup-overlay.show {
      opacity: 1;
      visibility: visible;
    }

/*--- CTA ---*/
.cta_area{
  position: relative;
  display: flex;
}
.cta_area_button{
  position: absolute;
  top: 78%;
  right: 0;
  left: 0;
  margin: 0 auto;
  width: 100%;
}
/*--- CTAボタンアニメーションここから ---*/
.keyframe {
  animation-name: anim_sc;
  transform: scale(1, 1);
}
@keyframes anim_sc {
  100% {
    transform: scale(0.9, 0.9);
  }
}
.animation {
  animation-timing-function: ease-in-out;
  animation-iteration-count: infinite;
  animation-direction: alternate;
  animation-duration: 1.2s;
}
/*--- CTAボタンアニメーションここまで ---*/

/* sliderエリアに必要なstyle大枠ここから */
.rel_img {
  position: relative;
}
/*--- CTA ---*/