.pc {
  display: none;
}

@media (min-width: 768px) {
  .pc {
    display: block;
  }

  .sp {
    display: none;
  }
}
img {
  width: 100%;
}

article section {
  padding-top: 120px;
}
article section dl dt {
  margin-top: 1em;
  font-weight: bold;
}