/*clear fix*/
@keyframes showAnime {
  0% {
    opacity: 0;
    filter: alpha(opacity=0);
  }
  100% {
    opacity: 1;
    filter: alpha(opacity=100);
  }
}

@media screen and (max-width: 768px) {
  .concept {
    padding-top: 10px;
  }
}

.concept__ttl {
  font-size: 40px;
  margin-bottom: 15px;
}

@media screen and (max-width: 768px) {
  .concept__ttl {
    margin-bottom: 10px;
    font-size: 25px;
  }
}

.concept__list {
  margin-left: -1px;
  margin-bottom: 60px;
}

.concept__list:after {
  display: block;
  visibility: hidden;
  clear: both;
  height: 0;
  content: '';
}

@media screen and (max-width: 768px) {
  .concept__list {
    margin-bottom: 10px;
  }
}

.concept__item {
  position: relative;
  float: left;
  width: 489px;
  margin-left: 1px;
  margin-bottom: 1px;
}

@media screen and (max-width: 768px) {
  .concept__item {
    width: 100%;
    float: none;
    margin-left: 0;
    padding-top: 25px;
    padding-bottom: 25px;
    margin-bottom: 0;
    border-top: 1px solid #ccc;
  }
}

.concept__item-ttl {
  margin-bottom: 10px;
  font-size: 30px;
  line-height: 1.53;
}

@media screen and (max-width: 768px) {
  .concept__item-ttl {
    font-size: 18px;
    color: #012869;
    line-height: 1.277;
    text-align: center;
  }
}

.concept__item-txt {
  line-height: 2;
}

@media screen and (max-width: 768px) {
  .concept__item-txt {
    margin-bottom: 10px;
  }
}

.concept__img {
  display: block;
  width: 100%;
}

.concept__txt-wrap {
  display: table;
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 373px;
  padding: 30px 25px;
  box-sizing: border-box;
  background: rgba(245, 244, 237, 0.8);
}

@media screen and (max-width: 768px) {
  .concept__txt-wrap {
    display: block;
    position: relative;
    top: inherit !important;
    bottom: inherit !important;
    height: auto;
    padding: 0;
    background: none;
  }
}

.concept__txt-inner {
  display: table-cell;
  vertical-align: top;
}

@media screen and (max-width: 768px) {
  .concept__txt-inner {
    display: block;
  }
}

.concept__dtl {
  line-height: 2;
}

.concept__dtl:after {
  display: block;
  visibility: hidden;
  clear: both;
  height: 0;
  content: '';
}

@media screen and (max-width: 768px) {
  .concept__dtl {
    margin-bottom: 20px;
  }
}

.concept__dtl dt {
  float: left;
  font-weight: bold;
}

.concept__dtl dd {
  position: relative;
  margin-left: 60px;
  text-indent: -1em;
}