@charset "utf-8";

/*====================================
   戻るボタン全体
====================================*/
    #backToTop {
      position: fixed;
      right: 20px;
      bottom: 25px;
      width: 40px;
      height: 40px;
      opacity: 0;
      visibility: hidden;
      transition: opacity 0.4s ease, visibility 0.4s ease;
      cursor: pointer;
      z-index: 9999;
    }

    #backToTop img {
      width: 100%;
      height: auto;
      display: block;
    }

    #backToTop.show {
      opacity: 1;
      visibility: visible;
    }