.Section .Container .tab_box .btn_area {
  display: flex;
  background: #F0F0F0;
}
.Section .Container .tab_box .tab_btn {
  padding: 14px 20px 30px;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 18px;
  transition: all 0.3s;
  width: 50%;
  position: relative;
  text-align: center;
}
.Section .Container .tab_box .tab_btn::after{
    content: "";
    position: absolute;
    left: 50%;
    bottom: 12px;
    margin-left: -10px;
    width: 20px;
    height: 8px;
    background: url(/housing-biz/outside/img/icon_arrow02.png) no-repeat center bottom;
    background-size: 100%;
}
.Section .Container .tab_box .tab_btn.active {
  background: #707070;
  color: #fff;
}
.Section .Container .tab_box .tab_btn.active::after {
  background: url(/common/sumai2020/img/icon_arrow01.png) no-repeat center bottom;
}
.Section .Container .tab_box .tab_panel {
  margin-bottom: 200px;
  padding: 20px 0;
  display: none;
   animation: fadeIn 0.3s ease-in-out;
}
.Section .Container .tab_box .tab_panel {
  display: none;
  padding: 20px 0;
  animation: fadeIn 0.3s ease-in-out;
}
.Section .Container .tab_box .tab_panel.active {
  display: block;
}
.Section .Container .tab_box .tab_panel h2 {
  text-align: center;
  margin: 44px 0;
  font-size: 28px;
}
.Section .Container .tab_box .tab_panel ul {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 69px 37px;
}
@media screen and (max-width:640px) {
  .Section .Container .tab_box .tab_panel ul {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }
}
.Section .Container .tab_box .tab_panel li {
  cursor: pointer;
  transition: all 0.3s;
}
.Section .Container .tab_box .tab_panel li:hover {
  opacity: 0.7;
}
.Section .Container .tab_box .tab_panel li h3 {
  font-size: 16px;
  margin-top: 15px;
  color: #106BB6;
  text-decoration: underline;
}
@media screen and (max-width:640px) {
  .Section .Container .tab_box .tab_panel li h3 {
    line-height: 1.2;
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}