body {
  overflow-x: clip;
}

@media screen and (min-width: 769px) {
  #main * {
    box-sizing: content-box;
  }
}

.c-pc {
  display: block
}

@media only screen and (max-width:480px) {
  .c-pc {
    display: none
  }
}

.c-sp {
  display: none
}

@media only screen and (max-width:480px) {
  .c-sp {
    display: block
  }
}