.main {
    margin-top: 0;
    position: relative;
    top: -52px;
}

.header .wrapper {
    justify-content: space-between;
}

.page-pad {
    height: 54px;
}

.hero {
    height: 60px;
    display: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    background-size: 100% auto;
    background-repeat: no-repeat;
    background-position: left top;
    text-align: center;
    justify-content: center;
}

.welcome_message {
    display: none;
}

.top-title {
    margin: 0;
    padding: 1.5em 0 1.5em 0;
    text-align: center;
    background: #015AAA;
    color: #FFFFFF;
    font-size: 2em;
    font-weight: 400;
    line-height: 1.3em;
}

.second-header {
    width: 100%;
    font-size: 2em;
    font-weight: bold;
    text-align: center;
    padding-top: 10px;
    padding-bottom: 10px;
}

.second-row {
    display: flex;
    flex-direction: row;
    justify-content: space-around;
    flex-wrap: wrap;
    padding: 10px 0 160px 12px;
    width: 100%;
    height: auto;
}

/* article -------------------- */
.article .wrapper {
    max-width: 100%;
    padding-top: 0;
    padding-right: 0;
    padding-left: 0;
    margin: 0 12px 12px 12px;
}

.article {
    width: 100%;
    margin-left: 0;
}

.article .col-logo {
  display: block;
  width: 210px;
  height: 60px;
  float:left;
  border: 1px solid #e6e6e6;
  margin: 0 .8% 16px;
  padding: 0 15px;
  display: flex;
  justify-content: center;
  align-items: center;
}
.article .col-logo > img {
  width: 100%;
}
.article h1,.article h2,.article h3,.article h4,.article h5,.article h6 {
  clear: both;
}
.article ol,.article p{
    margin: 0;
}
.article ul li {
    margin: .4rem 0;
}
.article .col-tile ol>li {
  list-style: decimal;
  padding: 0;
  margin: 0 0 0 2rem;
  margin-bottom: .4rem;
  position: relative
}
.article .col-tile ol>li:before {
  content: none;
}
/* -------------------- end of article  */

.col-flex {
  margin-top:72px;
}
.col-flex:after {
  content: "";
  clear: both;
  display: block;
}
.col-flex > h2:first-child,.col-flex > h3:first-child {
  padding-top: 0;
  margin-top: 0;
}

/* Hot article -------------------- */
.hotArticle {
  color: #0d89a2;
  padding: .1em 1px;
  line-height: 1.5em;
  padding-top: 0px;
}
.hotArticle li a {
  overflow: hidden;
  text-overflow: ellipsis;
  display: block;
  white-space: nowrap;
  position: absolute;
  width: 100%;
  top: 0;
}
#hotArticles-showMore {
  text-align: center;
  cursor: pointer;
  color: #139cb7;
}
#hotArticles-showMore:hover {
  background: #ECEAF7;
}
#hotArticles-showMore.closed{
    transform: rotate(0deg);
}

#hotArticles-showMore.expand{
    transform: rotate(180deg);
}
/* -------------------- End of Hot article */

.article .fa-search {
  margin-left: 12px;
  font-size: 1.5rem;
}

/* 768px以上の設定  **************************************************************/
@media only screen and (min-width:768px){
    .welcome_message {
        display: block;
        text-align: center;
        padding-top: 0;
        font-weight: normal;
        font-size: 2.4rem;
        line-height: 1.2em;
        margin-bottom: 30px;
    }

    .top-title {
        padding: 1.2em 0 1.2em 0;
        font-size: 2.5em;
    }
    .first-row {
        flex-wrap: wrap;
        flex-direction: row;
        justify-content: space-around;
    }
    .second-row {
        flex-wrap: wrap;
        flex-direction: row;
        justify-content: space-around;
    }
}

/* 1059px以上の設定  *************************************************************/
@media only screen and (min-width:1059px) {
    .hero {
      height: 180px;
    }
    .main {
      top: 0;
    }
}