.sp {
  display: none;
}
@media screen and (max-width: 640px) {
  .sp {
    display: block;
  }
}

.pc {
  display: block;
}
@media screen and (max-width: 640px) {
  .pc {
    display: none;
  }
}

.tab {
  display: block;
}
@media screen and (max-width: 1000px) {
  .tab {
    display: none;
  }
}