#bg{
z-index: -1;
position: fixed;
top:60px;
left: 0;
width: 100vw;
height: calc(100vh - 60px);
}
#bg img{
width: 100vw;
height: calc(100vh - 60px);
object-fit: cover; /* この一行を追加するだけ！ */
}



.icon::before {
  font-family: "Font Awesome 5 Free"; /*←ココ！！！！！！！*/
  font-weight: 900;
  content: "\f007";
}

.icon::before {
  font-family: "Font Awesome 5 Free";
  font-weight: 900; /*←ココ！！！！！！！*/
  content: "\f007";
}

@media (max-width: 767px){
  #bg{
    display: none;
  }
  
  main,
  .main,
  .info{
    display: block;
    width: 100%;
    padding: 0;
  }
  
  body{
    
    padding-top: 50px;
  }
  .girls{
    width: 100%;
    padding: 0;
  }
  #spGirlsNav{
    display: flex;
    justify-content: center;
    align-items: stretch;
    margin: 20px 0;
  }
  
  #spGirlsNav li{
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: .8rem;
    padding: 0 10px;
    border-right: solid 1px #fff;
  }
  
  #spGirlsNav li:nth-of-type(1){
    border-left: solid 1px #fff;
  }
  
  #spGirlsNav li a{
    color: #fff;
    text-decoration: none;
    display: block;
    line-height: 1.4;
  }
  
  #spGirlsNav li span{
    font-size: .9rem;
    color: #c00;
    font-weight: normal;
    display: block;
  }  }
}