@charset "UTF-8";

/* .bkg_change1_sp:before,
.bkg_change2_sp:before{
  content:"";
  display:block;
  position:fixed;
  top:0;
  left:0;
  z-index:-1;
  width:100%;
  height:100vh;
  background-size:cover;
} */
.mobile .bkg_change1_sp:before,
.tablet .bkg_change1_sp:before{
  background-image: url(https://kozotate.com/wp-content/uploads/2019/12/top_kv1_sp-1.jpg);
  content:"";
  display:block;
  position:fixed;
  top:0;
  left:0;
  z-index:-1;
  width:100%;
  height:100vh;
  background-size:cover;
}
.mobile .bkg_change2_sp:before,
.tablet .bkg_change2_sp:before{
  background-image: url(https://kozotate.com/wp-content/uploads/2019/12/top_kv2_sp-1.jpg);
  content:"";
  display:block;
  position:fixed;
  top:0;
  left:0;
  z-index:-1;
  width:100%;
  height:100vh;
  background-size:cover;
}

.bkg_change1_sp,
.bkg_change2_sp {
    opacity: 0;
    -webkit-transition: all 0.6s ease-out;
    -moz-transition: all 0.6s ease-out;
    -ms-transition: all 0.6s ease-out;
    -o-transition: all 0.6s ease-out;
    transition: all 0.6s ease-out;
}

.bkg_change1_sp.visible,
.bkg_change2_sp.visible {
    opacity: 1;
    -webkit-transform: none;
    -moz-transform: none;
    -ms-transform: none;
    -o-transform: none;
    transform: none;
    z-index: 1;
    position: relative;
}