@media all and (min-width: 768px) {
  .pc {
    display: block;
  }
  .mobil {
    display: none;
  }
}
@media all and (max-width: 768px) {
  .pc {
    display: none;
  }
  .mobil {
    display: block;
  }
  .carousel-caption {
  	bottom: 30px;
  }
  .carousel-caption > h1 {
  	font-size: 1.5rem;
  }
  .carousel-caption > p {
  	font-size: 1.125rem;
  }
  .carousel-indicators {
  	bottom: 0;
  }
  .carousel-control-prev, .carousel-control-next {
    width: 15%;
  }
  .carousel-control-prev .fa, .carousel-control-next .fa {
    font-size: 2rem;
  }
}

@media (max-width: 992px) {
  .header {
    position: relative;
  }
}