.article-main {
  overflow: hidden;
}

.lead {
  margin-bottom: 60px;
}

.lc-lead {
  font-size: 24px;
  line-height: 1.75;
  font-weight: 700;
  margin-bottom: 35px;
}

.lc-txt {
  font-size: 16px;
  line-height: 2.25;
}

.lc-txt + .lc-txt {
  /*margin-top:1.5em;*/
}

@media screen and (max-width: 768px) {
  .lc-lead {
    font-size: 20px;
    margin-bottom: 20px;
  }
  .lc-txt {
    font-size: 13px;
    line-height: 1.9;
  }
}
strong {
  font-weight: 700;
}

.pickup {
  margin-bottom: 80px;
}

.pickup_ttl {
  color: #333333;
  font-size: 16px;
  font-weight: 700;
  border-bottom: 1px solid #D5D5D5;
  margin-bottom: 60px;
  padding-bottom: 13px;
}

.pickup_ttl_en {
  float: right;
  font-size: 14px;
  color: #838383;
}

.pickup_list {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
}

.pickup_list .pickup_item {
  width: calc(50% - 20px);
}
.pickup_list .pickup_item a {
  display: block;
  position: relative;
  -webkit-transition: all 0.3s ease;
  transition: all 0.3s ease;
}
.pickup_list .pickup_item a:before {
  content: "";
  width: 100%;
  height: 67%;
  position: absolute;
  left: 0;
  bottom: 0;
  background: -webkit-gradient(linear, left top, left bottom, from(rgba(18, 23, 12, 0)), to(#324013));
  background: linear-gradient(rgba(18, 23, 12, 0) 0%, #324013 100%);
  z-index: 2;
}
.pickup_list .pickup_item a.bk:before {
  background: -webkit-gradient(linear, left top, left bottom, from(rgba(18, 23, 12, 0)), to(#12170C));
  background: linear-gradient(rgba(18, 23, 12, 0) 0%, #12170C 100%);
}
.pickup_list .pickup_item a p {
  font-size: 18px;
  font-weight: 500;
  color: #fff;
  position: absolute;
  left: 20px;
  bottom: 20px;
  z-index: 3;
}
.pickup_list .pickup_item a img {
  -webkit-transition: all 0.3s ease;
  transition: all 0.3s ease;
  width: 100%;
  height: auto;
  vertical-align: bottom;
  z-index: 1;
  position: relative;
}
.pickup_list .pickup_item a:hover {
  opacity: 0.6;
}
.pickup_list .pickup_item:last-child a:before {
  background: -webkit-gradient(linear, left top, left bottom, from(rgba(0, 137, 255, 0)), to(#234c58));
  background: linear-gradient(rgba(0, 137, 255, 0) 0%, #234c58 100%);
  opacity: 0.5;
}

@media screen and (max-width: 768px) {
  .pickup {
    margin-bottom: 20px;
  }
  .pickup_ttl {
    margin-bottom: 30px;
  }
  .pickup_list .pickup_item {
    width: 100%;
    margin-bottom: 20px;
  }
  .pickup_list .pickup_item a p {
    font-size: 18px;
    left: 20px;
    bottom: 20px;
  }
}
.column_list a {
  display: block;
  -webkit-transition: all 0.3s ease;
  transition: all 0.3s ease;
}
.column_list a:hover {
  opacity: 0.6;
}

.search_wrap {
  margin-bottom: 80px;
}

@media screen and (max-width: 768px) {
  .search_wrap {
    margin-bottom: 84px;
  }
}
.search_by {
  position: relative;
  margin-bottom: 60px;
}
.search_by:after {
  content: "";
  width: 100vw;
  height: calc(100% - 70px);
  position: absolute;
  bottom: 0;
  left: 0;
  margin: 0 calc(50% - 50vw);
  z-index: -1;
  background: #F8F8F8;
}
.search_by.search_by_full:after {
  height: 100%;
}
.search_by .search_by_navi {
  height: 70px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
}
.search_by .search_by_navi .search_by_navi_item {
  width: calc(50% - 10px);
  font-size: 18px;
  font-weight: 500;
  color: #fff;
  background: #343434;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  cursor: pointer;
  position: relative;
  -webkit-transition: all 0.3s ease;
  transition: all 0.3s ease;
}
.search_by .search_by_navi .search_by_navi_item.is-current, .search_by .search_by_navi .search_by_navi_item:hover {
  background: #F8F8F8;
  color: #333333;
}
.search_by .search_by_navi .search_by_navi_item.is-current:after, .search_by .search_by_navi .search_by_navi_item:hover:after {
  content: "";
  width: 100%;
  height: 4px;
  background: #006F32;
  position: absolute;
  top: 0;
  left: 0;
}
.search_by .search_by_content {
  padding-top: 60px;
  padding-bottom: 60px;
  display: none;
}
.search_by .search_by_content_list {
  margin-top: -30px;
  margin-left: -30px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
}
.search_by .search_by_content_list .search_by_content_list_link {
  width: 30%;
  margin-top: 30px;
  margin-left: 30px;
  list-style: none;
}
.search_by .search_by_content_list.wide {
  margin-left: -20px;
  margin-top: -25px;
}
.search_by .search_by_content_list.wide .search_by_content_list_link {
  width: calc(50% - 20px);
  margin-left: 20px;
  margin-top: 25px;
}
.search_by .search_by_content_list.wide .search_by_content_list_btn {
  -webkit-box-pack: start;
      -ms-flex-pack: start;
          justify-content: flex-start;
  padding-left: 65px;
}
.search_by .search_by_content_list_btn {
  width: 100%;
  height: 90px;
  border-radius: 6px;
  font-size: 19px;
  line-height: 1.6;
  font-weight: 500;
  color: #fff;
  background: #006F32;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  position: relative;
  opacity: 1;
}
.search_by .search_by_content_list_btn.icon_pdf {
  padding-right: 65px;
}
.search_by .search_by_content_list_btn.icon_pdf:after {
  content: "";
  width: 20px;
  height: 20px;
  background: url(../images/lifescience-products/icon_pdf.svg) 0 0 no-repeat;
  background-size: 100% auto;
  position: absolute;
  right: 28px;
  top: 50%;
  margin-top: -10px;
}
.search_by .search_by_content_list_btn:before {
  content: "";
  width: 24px;
  height: 24px;
  background: url(../images/lifescience_common/arrow.png) 0 0 no-repeat;
  background-size: 100% auto;
  position: absolute;
  left: 14px;
  top: 50%;
  margin-top: -12px;
}
.search_by .search_by_content_list_btn:focus {
  background: #DE0C09;
  opacity: 1;
}
.search_by .search_by_content_list_btn:hover {
  background: #DE0C09;
  opacity: 1;
}
.search_by .search_by_content_list_btn:hover:before {
  content: "";
  width: 24px;
  height: 24px;
  background: url(../images/lifescience_common/arrow-hover.png) 0 0 no-repeat;
  background-size: 100% auto;
}
.search_by #search_by_use {
  display: block;
}
.search_by #search_by_use .search_by_content_list_link {
  width: 100%;
  background: #E8E8E8;
  padding: 20px;
  padding-bottom: 0;
  margin-bottom: 10px;
}
.search_by #search_by_use .search_by_content_list_link .search_by_content_list_btn {
  margin-bottom: 20px;
}
.search_by #search_by_use .search_by_content_list_link:first-child .search_by_content_list_child {
  background: #fff;
  padding: 36px 68px 11px;
  margin-left: -20px;
  margin-right: -20px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
}
.search_by #search_by_use .search_by_content_list_link:first-child .search_by_content_list_child .search_by_content_list_child_link {
  width: 25%;
  margin-bottom: 25px;
}
.search_by #search_by_use .search_by_content_list_link:first-child .search_by_content_list_child .search_by_content_list_child_link a {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
}
.search_by #search_by_use .search_by_content_list_link:first-child .search_by_content_list_child .search_by_content_list_child_link a .pic {
  width: 68px;
}
.search_by #search_by_use .search_by_content_list_link:first-child .search_by_content_list_child .search_by_content_list_child_link a .txt {
  color: #000000;
  font-size: 18px;
  font-weight: 500;
  padding-left: 51px;
  width: calc(100% - 68px);
  position: relative;
}
.search_by #search_by_use .search_by_content_list_link:first-child .search_by_content_list_child .search_by_content_list_child_link a .txt:before {
  content: "";
  width: 18px;
  height: 18px;
  background: url(../images/lifescience_common/arrow.png) 0 0 no-repeat;
  background-size: 100% auto;
  position: absolute;
  left: 23px;
  top: 50%;
  margin-top: -9px;
}
.search_by #search_by_use .search_by_content_list_link:first-child .search_by_content_list_child .search_by_content_list_child_link a:hover .pic {
  opacity: 0.7;
}
.search_by #search_by_use .search_by_content_list_link:first-child .search_by_content_list_child .search_by_content_list_child_link a:hover .txt {
  color: #DE0A09;
}
.search_by #search_by_electronic-materials {
  display: block;
}
.search_by #search_by_electronicmaterials {
  display: block;
}

@media screen and (min-width: 769px) {
  .search_by_content_list_btn {
    -webkit-transition: all 0.3s ease;
    transition: all 0.3s ease;
  }
}
@media screen and (max-width: 768px) {
  .search_by {
    margin-bottom: 60px;
  }
  .search_by:after {
    height: calc(100% - 50px);
  }
  .search_by .search_by_navi {
    height: 50px;
  }
  .search_by .search_by_navi .search_by_navi_item {
    font-size: 16px;
  }
  .search_by .search_by_content {
    padding-top: 30px;
    padding-bottom: 30px;
  }
  .search_by .search_by_content_list {
    margin-top: -15px;
    margin-left: 0;
  }
  .search_by .search_by_content_list .search_by_content_list_link {
    width: 100%;
    margin-top: 15px;
    margin-left: 0;
  }
  .search_by .search_by_content_list.wide {
    margin-top: -15px;
    margin-left: 0;
  }
  .search_by .search_by_content_list.wide .search_by_content_list_link {
    width: 100%;
    margin-top: 15px;
    margin-left: 0;
  }
  .search_by .search_by_content_list.wide .search_by_content_list_btn {
    padding-left: 45px;
  }
  .search_by .search_by_content_list_btn {
    height: 60px;
    font-size: 16px;
  }
  .search_by #search_by_use {
    display: block;
  }
  .search_by #search_by_use .search_by_content_list_link:first-child {
    width: 100%;
    padding: 20px;
    margin-bottom: 10px;
  }
  .search_by #search_by_use .search_by_content_list_link:first-child .search_by_content_list_btn {
    margin-bottom: 20px;
  }
  .search_by #search_by_use .search_by_content_list_link:first-child .search_by_content_list_child {
    padding: 36px 10px 11px;
    margin-left: -20px;
    margin-right: -20px;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
        flex-wrap: wrap;
  }
  .search_by #search_by_use .search_by_content_list_link:first-child .search_by_content_list_child .search_by_content_list_child_link {
    width: 50%;
    margin-bottom: 25px;
  }
  .search_by #search_by_use .search_by_content_list_link:first-child .search_by_content_list_child .search_by_content_list_child_link a .pic {
    width: 40px;
  }
  .search_by #search_by_use .search_by_content_list_link:first-child .search_by_content_list_child .search_by_content_list_child_link a .txt {
    font-size: 14px;
    padding-left: 30px;
    width: calc(100% - 40px);
    white-space: break-spaces;
  }
  .search_by #search_by_use .search_by_content_list_link:first-child .search_by_content_list_child .search_by_content_list_child_link a .txt:before {
    width: 12px;
    height: 12px;
    left: 10px;
    margin-top: -6px;
  }
}