.c-fixed-bnr {
  width: clamp(15rem, 61.33333vw, 30rem);
}
.c-fixed-bnr__close {
  background-color: #575757;
  right: auto;
  left: -1.5rem;
}

@media (min-width: 768px) {
  .c-fixed-bnr__close {
    --tw-translate-y: -1.5rem;
  }
}

@media (min-width: 1024px) {
  .c-fixed-bnr {
    width: 37rem;
  }
}