/***リンク中央からラインが伸びる（下）**/

/*--　ライン幅　１　----------------------------------*/
.h-me a {
  position: relative;
  display: inline-block;
  transition: .3s;
}
.h-me a::after {
  position: absolute;
  bottom: 18px;
  left: 50%;
  content: '';
  width: 0;
  height: 1px;
  background-color: #989898;
  transition: .3s;
  -webkit-transform: translateX(-50%);
  transform: translateX(-50%);
}
.h-me a:hover::after {
  width: 70%;
}

/*--　ライン幅　２　----------------------------------*/
.h-me2 a {
  position: relative;
  display: inline-block;
  transition: .3s;
}
.h-me2 a::after {
  position: absolute;
  bottom: 8px;
  left: 50%;
  content: '';
  width: 0;
  height: 1px;
  background-color: #2ecc71;
  transition: .3s;
  -webkit-transform: translateX(-50%);
  transform: translateX(-50%);
}
.h-me2 a:hover::after {
  width: 50%;
}