@charset "utf-8";
.head_navi li:nth-child(4) > a:after {
  left: 0;
  right: 0;
}

.download {
  padding-top: 57px;
  padding-bottom: 120px;
}

.headline {
  font-size: 18px;
  text-align: center;
  font-weight: bold;
}

.download-contentBlock:nth-of-type(n + 2) {
  margin-top: 88px;
}

.download-contentBlock .download-LinkBlock:nth-of-type(n + 2) {
  margin-top: 60px;
}

.download-LinkBlock {
  margin-top: 40px;
}

.download-listWrap {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-wrap: wrap;
  flex-wrap: wrap;
}
.download-list {
  margin-right: 27px;
  display: block;
  width: calc((100% - 54px) / 3);
  margin-top: 29px;
}

.download-list:nth-of-type(3n) {
  margin-right: 0;
}
.about_box {
  z-index: 1;
  display: block;
}
.about_img_box {
  position: relative;
  background-repeat: no-repeat;
  width: 100%;
  height: 141px;
}
.about_img_box:before {
  content: "";
  display: block;
  width: 100%;
  height: 100%;
  position: absolute;
  left: 0;
  top: 0;
  -webkit-transition: 0.2s;
  -o-transition: 0.2s;
  transition: 0.2s;
  opacity: 0.35;
  background: #0279ff;
  /* Old browsers */ /* FF3.6-15 */ /* Chrome10-25,Safari5.1-6 */
  background: -webkit-gradient(
    linear,
    left top,
    left bottom,
    from(#0279ff),
    to(#10222f)
  );
  background: -o-linear-gradient(top, #0279ff 0%, #10222f 100%);
  background: linear-gradient(to bottom, #0279ff 0%, #10222f 100%);
  /* W3C, IE10+, FF16+, Chrome26+, Opera12+, Safari7+ */
  filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#0279FF', endColorstr='#10222F',GradientType=0 ); /* IE6-9 */
  z-index: -1;
}

.download-body {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  height: 100%;
  padding: 28px 0px 28px 28px;
}

.download-name {
  width: calc(100% - 75px);
  padding-right: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;

  line-height: 1.875;
  max-height: 5.625em;
  max-height: 7.5em;
}

.download-iconWrap {
  width: 75px;
  height: 100%;
  position: relative;
  border-left: 1px solid #fff;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
}

.download-icon {
  -webkit-transition: 0.2s;
  -o-transition: 0.2s;
  transition: 0.2s;
  width: 29.7px;
}

.download-icon img {
  width: 100%;
}

.item-headline {
  font-weight: bold;
  line-height: 1.77;
  position: relative;
  padding-bottom: 11px;
  border-bottom: 2px solid #264966;
  font-size: 18px;
}

.item-headline::before {
  content: "";
  display: inline-block;
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 30px;
  height: 2px;
  background-color: #0279ff;
}

/* ホバーアクション ----------------------------------- */
@media screen and (min-width: 641px) {
  /* 共通----------------------------------- */
  .about_box:hover .about_img_box:before {
    opacity: 0.8;
  }

  .about_box:hover .download-icon {
    width: 34px;
  }
}

@media (max-width: 1024px) {
  .download-list {
    margin-right: 16px;
    width: calc((100% - 16px) / 2);
    margin-top: 29px;
  }

  .download-list:nth-of-type(3n) {
    margin-right: 16px;
  }
  .download-list:nth-of-type(2n) {
    margin-right: 0px;
  }
}

@media (max-width: 640px) {
  .download {
    padding-top: 35px;
    padding-bottom: 80px;
  }

  .headline {
    font-size: 16px;
  }
  .download-contentBlock:nth-of-type(n + 2) {
    margin-top: 44px;
  }
  .download-contentBlock .download-LinkBlock:nth-of-type(n + 2) {
    margin-top: 40px;
  }

  .item-headline {
    padding-bottom: 8px;

    font-size: 16px;
  }

  .item-headline::before {
    width: 15px;
  }

  .download-LinkBlock {
    margin-top: 20px;
  }

  .download-list:nth-of-type(3n) {
    margin-right: 0px;
  }
  .download-list {
    width: 100%;
    margin-right: 0;
    margin-top: 16px;
  }
}
