@charset "UTF-8";

.sp-bottom-fixed {
  display: none;
}

@media screen and (max-width: 640px) {
  .sp-bottom-fixed {
    display: flex;
    position: fixed;
    bottom: 0;
    z-index: 999;
  }
  .sp-bottom-fixed div {
    width: 50%;
  }
  .sp-bottom-fixed div a:hover {
    opacity: inherit;
  }
}

ul{
  margin: 0;
  padding: 0;
  list-style-type: none;
}

a{
  margin: 0;
  padding: 0;
  text-decoration: none;
}
.nav {
  display: flex;
}

.nav > li {
  position: relative;
}

.nav a {
  display: block;
  padding: 0.5em 0;
  color: #fff;
  line-height: 1;
  text-align: center;
  z-index: 1;
}
.sub {
  position: absolute;
  left: 0;
  top: 2em;
  display: none;
  width: 200px;
  z-index: 3;
}
.sub li {
  width: 200px;
}
.sub > li > a {
  font-size: 16px;
  color: #fff;
  line-height: 1.75;
  background-color: #100169;
}
.sub > li > a:hover {
  background-color: #004b83;
  opacity: 1;
}