.intro {
  padding-top: 2em;
}
.intro h1 {
  padding: 0;
}
.area-list .prefecture {
  font-size: min(5vw,1.5rem);
  font-weight: 700;
  text-align: center;
  position: relative;
}
.area-list .prefecture::before,
.area-list .prefecture::after {
  content: '';
  position: absolute;
  top: 50%;
  display: inline-block;
  width: min(25vw,380px);
  height: 1px;
  background-color: #2082d7;
}
.area-list .prefecture::before {
  left: 0;
}
.area-list .prefecture::after {
  right: 0;
}
.area-list li {
  list-style: none;
  text-align: center;
}
.area-list li a .over {
  display: none;
}
.area-list li a .normal {
  display: block;
}
.area-list li a:hover .over {
  display: block;
}
.area-list li a:hover .normal {
  display: none;
}