.m-count_required {
  position: sticky;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: .5em 20px;
  text-align: center;
  background-color: var(--color-gray-02);
  z-index: 99;
}
.m-count_required__num {
  font-size: 2em;
  font-weight: bold;
}