/* LESS Document */
/*+++++++++++++++++++++++++++++++++++++++++++
	article
+++++++++++++++++++++++++++++++++++++++++++ */
article::after {
  content: '';
  display: block;
  width: 867px;
  height: 684px;
  background: url(/common/img/bg_network_line.webp) no-repeat center center / contain;
  position: absolute;
  pointer-events: none;
  z-index: 0;
  top: 1400px;
  right: -235px;
}
@media screen and (max-width: 767px) {
  article::after {
    width: 86vw;
    height: 68vw;
  }
}
@media screen and (max-width: 767px) {
  article::after {
    top: 80vw;
    right: -20vw;
  }
}
article:nth-of-type(1) {
  padding-top: 120px;
}
article:nth-of-type(2n) {
  background: linear-gradient(0deg, #DCE8E8 0%, #FFF 9%, #FFF 91%, #DCE8E8 100%);
}
@media screen and (max-width: 767px) {
  article:nth-of-type(2n)::after {
    top: 64vw;
  }
}
article:last-of-type::after {
  content: none;
}
article:last-of-type .figure h3 {
  padding: 12px 0;
}
@media screen and (max-width: 767px) {
  article:last-of-type .figure h3 {
    padding: 12px 20px;
  }
}
article .lead {
  background-color: #fff;
  padding: 61px 0 79px 0;
}
@media screen and (max-width: 767px) {
  article .lead {
    padding: 40px 0 0 0;
  }
}
article .lead hgroup h2 {
  top: 0;
  margin-bottom: 54px;
  line-height: 1.6;
}
@media screen and (max-width: 767px) {
  article .lead hgroup h2 {
    margin-bottom: 20px;
  }
}
article .lead h4 span {
  color: #FF611F;
}
@media screen and (max-width: 1023px) {
  article .columnBox {
    gap: 40px;
  }
}
@media screen and (max-width: 767px) {
  article .columnBox {
    gap: 40px!important;
  }
}
article .columnBox .columnItem {
  border: 2px solid #1389EA;
  border-radius: 15px;
  position: relative;
  padding: 35px 0 17px 0;
  width: calc((100% - 80px) / 3);
}
@media screen and (max-width: 767px) {
  article .columnBox .columnItem {
    width: 80%;
    margin: 0 auto;
    max-width: none;
  }
}
article .columnBox .columnItem .title {
  position: absolute;
  display: inline-block;
  top: -45px;
  left: -29px;
  padding: 13px 9px;
  line-height: 1;
  font-size: 6.4rem;
  font-style: italic;
  background: #FFF;
  color: #fff;
  -webkit-text-stroke-width: 1px;
  -webkit-text-stroke-color: #1389EA;
}
@media screen and (max-width: 767px) {
  article .columnBox .columnItem .title {
    top: -9vw;
    left: -5vw;
    font-size: 12.8vw;
  }
}
article .columnBox .columnItem h5 {
  color: #1389EA;
  margin-bottom: 18px;
}
@media screen and (max-width: 767px) {
  article .columnBox .columnItem h5 {
    margin-bottom: 0;
  }
}
.description {
  max-width: 684px;
  position: relative;
}
.description .bg {
  position: absolute;
  top: -35px;
  right: -530px;
  z-index: 1;
}
.figure {
  margin: 77px 0 30px 0;
  position: relative;
  z-index: 2;
}
@media screen and (max-width: 767px) {
  .figure {
    margin: 30px 0;
  }
}
.figure h3 {
  width: 100%;
  max-width: 833px;
  background: #3B8B8B;
  color: #FFF;
  padding: 22px 0 27px 0;
  border-radius: 8px 8px 0 0;
  line-height: 1.6;
}
.figure .modal-target {
  cursor: pointer;
}
.figure .modal-target:hover {
  opacity: 0.7;
  transition: 0.5s;
}
.figure .text {
  max-width: 833px;
  width: 100%;
}
.image-modal {
  display: none;
  position: fixed;
  z-index: 9999;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.8);
  justify-content: center;
  align-items: center;
}
.image-modal .imageBox {
  position: relative;
  width: auto;
}
@media screen and (max-width: 767px) {
  .image-modal .imageBox {
    width: 95%;
  }
}
.image-modal .imageBox .modal-content {
  position: relative;
  border-radius: 8px;
}
.image-modal .imageBox .close {
  position: absolute;
  top: -20px;
  right: 11px;
  transform: translate(50%, -50%);
  color: white;
  font-size: 3rem;
  font-weight: bold;
  cursor: pointer;
}
.image-modal .imageBox.wide-90 {
  width: 90%;
}
.pt90 {
  padding-top: 90px;
}
@media screen and (max-width: 767px) {
  .pt90 {
    padding-top: 70px;
  }
}
section {
  margin: 54px 0 0;
}
section h3 {
  max-width: max-content;
  margin: 0 auto 50px;
  font-size: 3.2rem;
  color: #3B8B8B;
  border-bottom: #C0D7D7 3px solid;
}
@media screen and (max-width: 767px) {
  section h3 {
    font-size: 6.4vw;
  }
}
section .case {
  background: #F5FAFA;
  border-radius: 8px;
  box-shadow: 0 2px 8px 0 rgba(108, 108, 108, 0.25);
  padding: 30px 34px 32px 34px;
}
@media screen and (max-width: 767px) {
  section .case {
    flex-direction: column;
    padding: 20px 10px;
    gap: 20px;
  }
}
section .case .flexItem h4 {
  color: #3B8B8B;
}
section .case .flexItem h5 {
  color: #F36E36;
}
section .case .flexItem figure img {
  border-radius: 50%;
  margin: 26px 0 -10px 0;
}
@media screen and (max-width: 767px) {
  section .case .flexItem figure img {
    margin: 10px 0 -10px 0;
  }
}
section .case .flexItem figure p span {
  color: #FF6828;
}
section .case .box {
  background: #ffffff;
  flex: 1;
  padding: 20px 26px 0 26px;
}
section .case .box .accordion {
  position: relative;
  max-height: 169px;
  overflow: hidden;
  transition: max-height 0.4s ease;
}
section .case .box .accordion.open {
  max-height: 1000px;
}
section .case .box .accordion.open .accordion-gradient {
  display: none;
}
section .case .box .accordion .accordion-content p {
  margin-bottom: 0.3em;
}
@media screen and (max-width: 767px) {
  section .case .box .accordion .accordion-content p {
    margin-bottom: 1em;
    font-size: 3.2vw !important;
  }
}
section .case .box .accordion .accordion-gradient {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 80px;
  background: linear-gradient(to bottom, rgba(255, 255, 255, 0), #ffffff);
  pointer-events: none;
  transition: opacity 0.4s;
  opacity: 1;
}
.open section .case .box .accordion .accordion-gradient {
  opacity: 0;
}
section .case .box .toggle_btn {
  color: #3B8B8B;
  cursor: pointer;
  font-weight: bold;
  text-align: center;
  margin-bottom: 10px;
}