.fixedbtn {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  opacity: 0;
  visibility: hidden;
  z-index: 100;
  -webkit-transition: opacity 0.3s ease-in-out, visibility 0.3s ease-in-out;
  transition: opacity 0.3s ease-in-out, visibility 0.3s ease-in-out;
}

@media (min-width: 750px) {
  .fixedbtn {
    width: 750px;
    left: 50%;
    right: auto;
    transform: translateX(-50%);
  }
}

.fixedbtn.is-show {
  opacity: 1;
  visibility: visible;
  z-index: 101; 
}

.fixedbtn__inner {
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
}

.fixedbtn__link {
  aspect-ratio: 130/51;
  display: block;
}

.fixedbtn__link.--line {
  background: url("https://ariel.clinic/official/wp-content/themes/arielcl-2021/mito/img/btn_cta_line.webp") no-repeat center center/cover;
}

.fixedbtn__link.--web {
  background: url("https://ariel.clinic/official/wp-content/themes/arielcl-2021/mito/img/btn_cta_web.webp") no-repeat center center/cover;
}

.fixedbtn__link.--tel {
  background: url("https://ariel.clinic/official/wp-content/themes/arielcl-2021/mito/img/btn_cta_tel.webp") no-repeat center center/cover;
}