.research-top {
  padding: 80px 0 40px;
}

.research-desc {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
}

.research-desc__image {
  width: 450px;
}

.research-desc__text {
  width: 550px;
  padding: 0 50px;
  line-height: 2.375;
  margin: 10px 0 0;
}

.research-desc__text h2 {
  line-height: 1.1;
  margin: 0 0 15px;
}

.research-news {
  margin: 44px 0 0;
}

.research-news h3 {
  margin: 0 0 14px;
}

.research-news dl {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  border-bottom: solid 1px #ccc;
  margin: 0;
  padding: 16px 0;
}

.research-news dl:first-of-type {
  border-top: solid 1px #ccc;
}

.research-news dl dt {
  width: 100px;
  -ms-flex-negative: 0;
      flex-shrink: 0;
  line-height: 2.4;
}

.research-news dl dd {
  margin: 0;
  letter-spacing: 0.04em;
}

.research-news__share {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: end;
      -ms-flex-pack: end;
          justify-content: flex-end;
  margin: 20px 0 0;
}

.research-news__share li {
  line-height: 0;
}

.research-news__share li + li {
  margin: 0 0 0 5px;
}

.research-news .slick-dots {
  margin-top: 35px;
}

.research-news .slick-prev::before {
  -webkit-transform: rotate(135deg);
          transform: rotate(135deg);
}

.research-news .slick-next {
  right: 0;
}

.research-main {
  background: #e2eef7;
  padding: 80px 0;
}

.research-main .article-box {
  margin-top: 30px;
}

.research-main .article-box + .article-box {
  margin-top: 20px;
}

.research-tab {
  overflow: auto;
  -webkit-box-shadow: 0 0 20px 5px rgba(0, 0, 0, 0.1);
          box-shadow: 0 0 20px 5px rgba(0, 0, 0, 0.1);
  position: relative;
  z-index: 1;
}

.research-tab__list {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  white-space: nowrap;
  margin: 0 -1px 0 0;
}

.research-tab__list li {
  margin: 0 1px 0 0;
  -ms-flex-negative: 0;
      flex-shrink: 0;
  text-align: center;
  -webkit-box-flex: 1;
      -ms-flex-positive: 1;
          flex-grow: 1;
  z-index: 0;
}

.research-tab__list li:first-child {
  width: 100px;
}

.research-tab__list li a {
  display: block;
  color: #777;
  padding: 22px 33px;
  background: #fff;
  letter-spacing: 0.04em;
  position: relative;
}

.research-tab__list li a::after {
  content: "";
  display: block;
  width: 7px;
  height: 7px;
  border-right: solid 1px #fff;
  border-bottom: solid 1px #fff;
  -webkit-transform: rotate(45deg);
          transform: rotate(45deg);
  margin: 0 auto;
  opacity: 0;
  position: absolute;
  left: 0;
  right: 0;
  margin: auto;
  bottom: 15px;
}

.research-tab__list li a.is-active {
  color: #fff;
  background: -webkit-gradient(linear, left top, right top, from(#162a89), to(#01afd3));
  background: linear-gradient(to right, #162a89 0%, #01afd3 100%);
}

.research-tab__list li a.is-active::after {
  opacity: 1;
}

.articles__pagenation {
  margin: 30px 0 0;
}

@media only screen and (max-width: 768px) {
  .research-top {
    padding-top: 25px;
    padding-bottom: 0;
  }
  .research-top .c-column {
    margin: 0;
  }
  .research-desc {
    display: block;
    -webkit-box-shadow: 0 0 20px 0 rgba(0, 0, 0, 0.1);
            box-shadow: 0 0 20px 0 rgba(0, 0, 0, 0.1);
  }
  .research-desc__image {
    width: auto;
    margin: 0 0 28px;
  }
  .research-desc__text {
    width: 100%;
    margin: 0;
    padding: 0 20px 17px;
    line-height: 1.9;
  }
  .research-news {
    margin: 0;
    padding: 25px 15px 32px;
    background: #f7f7f7;
  }
  .research-news h3 {
    margin: 0 0 10px;
  }
  .research-news dl {
    padding: 0;
    border-bottom: none;
  }
  .research-news dl:first-of-type {
    border: none;
  }
  .research-news__share {
    margin: 0;
  }
  .research-news__slider {
    padding: 0 0 33px;
  }
  .research-main {
    padding: 0 0 80px;
  }
  .research-main .c-column {
    margin: 0;
  }
  .research-main .article-box + .article-box {
    margin-top: 10px;
  }
  .research-tab__list li:first-child {
    width: 75px;
  }
  .research-tab__list li a {
    padding: 12.5px 15px;
  }
  .research-tab__list li a::after {
    display: none;
  }
}