:root {
  --img-h: min(55px, calc((100vw * 55 / 1440) - 1px));
}
.p-top-bnr {
  position: sticky;
  top: 0;
  z-index: 100;
  display: block;
}
.p-top-bnr--sp {
  display: none;
}
.p-header {
  top: var(--img-h);
}
@media screen and (max-width: 1023px) {
  .p-header {
    top: 0;
  }
  .p-top-bnr {
      top: 56px;
  }
  .p-top-bnr--pc {
    display: none;
  }
  .p-top-bnr--sp {
    display: block;
  }
}