@charset "UTF-8";

.sub_tab_wrap {
    margin-top: 1%; margin-bottom: 5%;
    background-color: #237287;
  }
  .sub_tab_wrap .sub_tab {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    max-width: 45%;
    width: 100%; height: 65px;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
  }
  
  .sub_tab > span, .sub_tab > div {
    border-right: 1px solid rgba(255, 255, 255, 0.3);
  }
  .sub_tab > div {
    width: 45%;
    padding-left: 4%;
    padding-right: 2%;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: justify;
        -ms-flex-pack: justify;
            justify-content: space-between;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
    -webkit-box-sizing: border-box;
            box-sizing: border-box;
    color: #fff;
    font-weight: 200;
  }
  .sub_tab > div::after {
    content: "";
    width: 19px;
    height: 11px;
    background-image: url(../img/down.png);
  }
  .sub_tab .home {
    text-indent: -9999px;
    display: block;
    width: 10%;
    padding: 3px 0;
  }
  .sub_tab .home a {
    display: block;
    width: 13px;
    height: 12px;
    background-image: url(../img/home.png);
  }
  .sub_tab .second_tab {
    cursor: pointer;
    position: relative;
  }

  .sub_tab .second_tab .second_menu_wrap {
    width: 100%; height: 0;
    padding: 0;
    overflow: hidden;
    position: absolute;
    left: 0;
    top: 40px;
    z-index: 20;
    background-color: #125f74;
    cursor: auto;
    -webkit-transition: all 0.3s;
    transition: all 0.3s;
  }

  .sub_tab .second_menu_wrap.on {
    padding: 15px 0;
  }
  
  .second_menu_wrap .second_menu {
    padding: 0 25px;
    -webkit-box-sizing: border-box;
            box-sizing: border-box;
  }
  .second_menu_wrap .second_menu li {
    padding: 0.5em 0;
  }
  .second_menu_wrap .second_menu li a {
    color: rgba(255, 255, 255, 0.5);
    -webkit-transition: all 0.3s;
    transition: all 0.3s;
    display: block;
    width: 100%;
    line-height: 1.2;
  }
  .second_menu_wrap .second_menu li a:hover {
    color: #fff;
    text-decoration: underline;
  }

.sub_tit {
  margin: 0 auto 3%;
  text-align: center;
}
.sub_tit h2{font-size: 3.5em; font-weight: 700; } 

  @media screen and (max-width: 768px) {
    .sub_tab_wrap .sub_tab{max-width: 55%;}
    .sub_tab > div span {margin-right: 10px;}
    .sub_tab > div::after{width: 15px; height: 9px; background-size: cover;}
    .second_menu_wrap .second_menu li a{color: #fff;}

    .sub_tit h2{font-size: 3em;}
  }

  @media screen and (max-width: 479px) {
    .sub_tab_wrap .sub_tab{max-width: 100%; height: 40px;}
    .sub_tab > div span {margin-right: 10px;}
    .sub_tab > div::after{width: 15px; height: 9px; background-size: cover;}
    .sub_tab .second_tab .second_menu_wrap{top: 28px;}
    .sub_tab .second_tab .second_menu_wrap.on{padding: 5px 0;}
    .second_menu_wrap .second_menu{padding: 0 15px;}

    .sub_tit{margin: 0 auto 5%;}
    .sub_tit h2{font-size: 2em;} 
  }
  @media screen and (max-width: 350px) {
    .sub_tab > div span {font-size: 0.8em;}
    .sub_tab .second_tab .second_menu_wrap{top: 26px;}
    .second_menu_wrap .second_menu li a{font-size: 0.9em;}
  }