.comm {
  padding: 120px 0 170px;
}

.commTab {
  padding-top: 40px;
  text-align: center;
}
.commTab::after {
  content: "";
  position: absolute;
  bottom: 0;
  right: 0;
  left: 0;
  margin: auto;
  width: 100%;
  height: 1px;
  background-color: #999;
}
.commTab a {
  position: relative;
  display: inline-block;
  margin: 0 40px;
  line-height: 60px;
  font-size: 20px;
  color: #888;
  transition: color 0.35s, background 0.35s;
}
.commTab a::after {
  content: "";
  position: absolute;
  bottom: 0;
  right: 0;
  left: 0;
  margin: auto;
  width: 0;
  height: 4px;
  background-color: #3e8492;
  transition: width 0.3s;
  z-index: 1;
}
.commTab a:hover,
.commTab a.SEL {
  font-weight: bold;
  color: #3e8492;
}
.commTab a:hover::after,
.commTab a.SEL::after {
  width: 100%;
}

@media (max-width: 1024px) {
  .commTab {
    padding-top: 20px;
  }
  .commTab a {
    width: auto;
    margin: 0 22px;
    line-height: 40px;
    font-size: 16px;
  }
  .commTab a::after {
    height: 2px;
  }
}
.commC .commC_wrap iframe{height:auto; min-height:700px;}