@charset "UTF-8";
/*第二階層*/
.breadcrumb {
  padding: 14px 5% 16px;
  background-color: #fafafa;
  border-bottom: solid 1px #ccc;
}
.breadcrumb ul {
  padding: 0;
  margin: 0;
  list-style: none;
}
.breadcrumb ul li {
  display: inline-block;
  font-size: 14px;
}
.breadcrumb ul li.current {
  color: #000;
}
.breadcrumb ul li:first-child:before {
  content: '';
  margin: 0;
}
.breadcrumb ul li:before {
  content: '｜';
  margin: 0 10px 0 5px;
}
.breadcrumb ul li a {
  color: #0078c2;
  text-decoration: none;
}
.breadcrumb ul li a:hover {
  opacity: 1;
  color: #e83a4d;
}
.second {
  margin-top: 145px;
}
.second .bg {
  padding: 50px 5%;
  background-color: #fafafa;
  border-bottom: solid 1px #ccc;
  background-size: cover;
  background-position: center;
  position: relative;
}
.second .bg:before {
  content: '';
  background-color: rgba(0, 0, 0, 0.4);
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
}
.second.about .bg {
  background-image: url("../img/bg_ttl_about.jpg");
}
.second.research .bg {
  background-image: url("../img/bg_ttl_research.jpg");
}
.second.movie .bg {
  background-image: url("../img/bg_ttl_movie.jpg");
}
.second.facility .bg {
  background-image: url("../img/bg_ttl_facility.jpg");
}
.second.news .bg {
  background-image: url("../img/bg_ttl_news.jpg");
}
.second.tour .bg {
  background-image: url("../img/bg_ttl_tour.jpg");
}
.second.access .bg {
  background-image: url("../img/bg_ttl_access.jpg");
}
.second.contact .bg {
  background-image: url("../img/bg_ttl_contact.jpg");
}
.second h2 {
  font-size: 36px;
  font-weight: 500;
  text-align: center;
  color: #fff;
  margin: 0;
  position: relative;
  z-index: 1;
}
.second h2 .sub {
  font-family: Arial, Helvetica, "sans-serif";
  display: block;
  font-size: 18px;
  color: #fff;
  margin-top: 10px;
}
.second .bg p {
  margin: 20px auto 0;
}
.second .inner {
  padding: 50px 0 70px;
}
.second .inner section {
  text-align: justify;
  margin-bottom: 70px;
}
.second .inner section section {
  margin-bottom: 60px;
}
.second .inner section:last-child {
  margin-bottom: 0;
}
.second .inner02 section {
  text-align: justify;
  margin-bottom: 70px;
}
.second .inner02 section section {
  margin-bottom: 60px;
}
.second .inner02 section:last-child {
  margin-bottom: 0;
}
.second h3 {
  font-size: 28px;
  font-weight: 500;
  margin: 0 auto 50px;
  padding-left: 25px;
  position: relative;
}
.second h3:before {
  content: "";
  position: absolute;
  top: 5px;
  bottom: 0;
  left: 0;
  width: 10px;
  height: 10px;
  margin: auto;
  background-color: #0078c2;
}
.second h3:after {
  content: "";
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 100%;
  height: 1px;
  background-color: #0078c2;
}
.second h4 {
  font-size: 24px;
  font-weight: 500;
  background-color: #eee;
  padding: 7px 2% 9px;
  margin: 0 auto 30px;
  position: relative;
}
.second h4:before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 5px;
  height: 50%;
  margin: auto;
  background-color: #0078c2;
}
.second h5 {
  font-size: 20px;
  font-weight: 500;
  color: #0078c2;
  padding-bottom: 10px;
  border-bottom: solid 1px #0078c2;
  margin: 0 auto 20px;
}
/*目次*/
.second.index_box .intro {
  background-color: #ebf4fa;
  font-size: 18px;
  font-weight: 500;
}
.second.index_box .intro .inner {
  padding: 30px 0;
}
.second.index_box .inner {
  width: 85%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 50px 0;
}
.second.index_box .inner ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
}
.second.index_box .inner ul li {
  width: 48%;
  margin: 10px 1%;
}
.second.index_box .inner ul li a {
  display: block;
  text-decoration: none;
  color: #0078c2;
  font-size: 18px;
  font-weight: 500;
  text-align: center;
  background-color: #ebf4fa;
  outline: solid 1px #0078c2;
  padding: 25px 5%;
  position: relative;
}
.second.index_box .inner ul li a:before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 4px;
  height: 50%;
  margin: auto;
  background-color: #0078c2;
}
.second.index_box .inner ul li a:hover {
  opacity: 1;
  color: #fff;
  background-color: #0078c2 !important;
}
.second.index_box .inner ul li a:hover:before {
  background-color: #fff;
}
/*Ｅ－ディフェンスとは　壊れない構造物を実現するために*/
.second.index_box .about_box {
  margin-bottom: 40px;
}
.second.index_box .about_box .box {
  background-color: #f7e6d8;
  padding: 20px 5%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.second.index_box .about_box .box .txt {
  width: 75%;
}
.second.index_box .about_box .box figure {
  width: 25%;
}
.second.index_box .about_box .box h4 {
  background: no-repeat;
  padding: 7px 3% 9px;
  margin: 0 auto 5px;
}
.second.index_box .about_box .box ul {
  display: block;
  margin: 0;
  padding: 0 0 0 25px;
  list-style: disc;
}
.second.index_box .about_box .box ul li {
  width: auto;
  margin: 5px 0;
}
.second.index_box .about_box .box ul li .red {
  font-weight: 500;
}
.second.index_box .about_box .box figure figcaption {
  margin-top: 5px;
  text-align: center;
  font-size: 13px;
}
/*目次 研究について*/
.second.research.index_box .inner {
  display: flex;
  flex-wrap: wrap;
}
.second.research.index_box .inner ul {
  width: 48%;
  margin: 0 1%;
  display: block;
}
.second.research.index_box .inner ul li {
  width: 100%;
  margin: 0 auto 20px !important;
}
/*目次以外の第二階層 ナビ*/
.second .inner02 {
  display: flex;
  align-items: stretch;
}
.second .inner02 .index {
  width: 25%;
  background-color: #fafafa;
  border-right: solid 1px #ccc;
  display: flex;
  align-items: flex-start;
}
.second .inner02 .index ul {
  width: 100%;
  margin: 0;
  padding: 0;
  list-style: none;
  position: sticky;
  top: 145px;
  left: 0;
}
.second .inner02 .index ul li a {
  display: block;
  text-decoration: none;
  color: #000;
  padding: 15px 20%;
  border-bottom: solid 1px #ccc;
  position: relative;
}
.second .inner02 .index ul li a:before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 10%;
  width: 7px;
  height: 7px;
  margin: auto;
  background-color: #0078c2;
}
.second .inner02 .index ul li a:hover {
  opacity: 1;
  color: #0078c2;
  background-color: #eee;
}
.second .inner02 .index ul li.current a {
  color: #fff;
  background-color: #0078c2;
}
.second .inner02 .index ul li.current a:before {
  background-color: #fff;
}
.second .inner02 .index ul.project li:nth-child(1) a {
  background-color: #dce3f1 !important;
}
.second .inner02 .index ul.project li:nth-child(2) a {
  background-color: #fdf2d0 !important;
}
.second .inner02 .index ul.project li:nth-child(3) a {
  background-color: #e5efdb !important;
}
.second .inner02 .index ul.project li:last-child a {
  background-color: #f7e6d8 !important;
}
.second .inner02 .index ul.project li a:before {
  display: none;
}
.second .inner02 .index ul.project li i {
  color: #0078c2;
  position: absolute;
  right: 10%;
  top: 50%;
  transform: translate(-10%, -50%);
}
/*目次以外の第二階層 内容*/
.second .inner02 .contents {
  width: 65%;
  padding: 50px 5% 70px;
}
/*ユーチューブ埋め込み*/
.second .video {
  width: 100%;
  padding-bottom: 56.25%;
  height: 0;
  position: relative;
}
.second .video iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}
/*ダウンロードボタン ul li*/
.second .download ul {
  margin: 0 !important;
  padding: 0 !important;
  list-style: none !important;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
}
.second .download ul li {
  width: 48%;
  margin: 10px 1%;
}
.second .download ul li a {
  display: block;
  text-decoration: none;
  color: #0078c2;
  background-color: #ebf4fa;
  border: solid 1px #0078c2;
  border-radius: 50px;
  text-align: center;
  font-size: 18px;
  font-weight: 500;
  padding: 10px 5%;
  position: relative;
}
.second .download ul li a span {
  display: block;
  font-size: 16px;
}
.second .download ul li a:hover {
  opacity: 1;
  color: #fff;
  background-color: #0078c2;
}
.second .download ul li i {
  color: #0078c2;
  position: absolute;
  right: 10%;
  top: 50%;
  transform: translate(-10%, -50%);
}
.second .download ul li a:hover i {
  color: #fff;
}
/*ダウンロードボタン p*/
.second .btn_dl {
  margin: 0;
}
.second .btn_dl a {
  display: block;
  text-decoration: none;
  color: #0078c2;
  background-color: #ebf4fa;
  border: solid 1px #0078c2;
  border-radius: 50px;
  text-align: center;
  font-size: 18px;
  font-weight: 500;
  padding: 10px 5%;
  width: 300px;
  margin: 0 auto;
  position: relative;
}
.second .btn_dl a span {
  display: block;
  font-size: 14px;
}
.second .btn_dl a:hover {
  opacity: 1;
  color: #fff !important;
  background-color: #0078c2 !important;
}
.second .btn_dl i {
  color: #0078c2;
  position: absolute;
  right: 10%;
  top: 50%;
  transform: translate(-10%, -50%);
}
.second .btn_dl a:hover i {
  color: #fff;
}
/*フォームボタン p*/
.second .btn_form {
  margin: 0;
}
.second .btn_form a {
  display: block;
  text-decoration: none;
  color: #fff !important;
  background-color: #0078c2;
  border-radius: 50px;
  text-align: center;
  font-size: 18px;
  font-weight: 500;
  padding: 20px 5% 22px;
  width: 300px;
  margin: 0 auto;
  position: relative;
}
.second .btn_form a:hover {
  opacity: 1;
  background-color: #005a92 !important;
}
/*-------------------アクセス-------------------*/
.second.access .inner03 {
  display: flex;
  justify-content: space-between;
}
.second.access .dl_box {
  width: 55%;
  border-top: solid 1px #ccc;
}
.second.access .dl_box dl {
  margin: 0;
  display: flex;
  border-bottom: solid 1px #ccc;
}
.second.access .dl_box dl dt {
  width: 30%;
  font-weight: 500;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #eee;
  padding: 20px 0;
}
.second.access .dl_box dl dd {
  margin: 0;
  width: 70%;
  padding: 20px 5%;
}
.second.access .dl_box dl dd a {
  color: #0078c2;
}
.second.access .dl_box dl dd i {
  margin-left: 5px;
}
.second.access figure {
  width: 40%;
}
.second.access .dl_box figure {
  width: 100%;
  margin: 20px auto 0;
}
/*-------------------リンク-------------------*/
.second.link section a {
  color: #0078c2;
}
.second.link section ul {
  margin: 0;
  padding: 0;
  list-style: none;
}
.second.link section ul li {
  margin: 0 auto 30px;
}
.second.link section ul li h6 {
  font-size: 20px;
  font-weight: normal;
  padding-left: 25px;
  margin: 0 auto -10px;
  position: relative;
}
.second.link section ul li h6:before {
  content: "";
  position: absolute;
  top: 5px;
  bottom: 0;
  left: 0;
  width: 10px;
  height: 10px;
  border-radius: 10px;
  margin: auto;
  background-color: #0078c2;
}
@media screen and (max-width:1050px) {
  /*第二階層*/
  .breadcrumb {
    padding: 5px 5% 10px;
  }
  .breadcrumb ul li {
    font-size: 13px;
  }
  .breadcrumb ul li:before {
    margin: 0 3px 0 0;
  }
  .second {
    margin-top: 60px;
  }
  .second .bg {
    padding: 20px 5%;
  }
  .second h2 {
    font-size: 24px;
  }
  .second h2 .sub {
    font-size: 14px;
    margin-top: 5px;
  }
  .second .bg p {
    margin: 15px auto 0;
  }
  .second .inner {
    padding: 30px 0;
  }
  .second .inner section {
    margin-bottom: 50px;
  }
  .second .inner section section {
    margin-bottom: 40px;
  }
  .second .inner02 section {
    margin-bottom: 50px;
  }
  .second .inner02 section section {
    margin-bottom: 40px;
  }
  .second h3 {
    font-size: 20px;
    margin: 0 auto 40px;
    padding-left: 20px;
  }
  .second h3:before {
    position: absolute;
    top: 3px;
    width: 8px;
    height: 8px;
  }
  .second h4 {
    font-size: 18px;
    padding: 7px 5% 9px;
    margin: 0 auto 20px;
  }
  .second h5 {
    font-size: 18px;
  }
  /*目次*/
  .second.index_box .intro {
    font-size: 16px;
  }
  .second.index_box .intro .inner {
    padding: 10px 0;
  }
  .second.index_box .inner {
    width: 90%;
    min-width: 90%;
    padding: 30px 0;
  }
  .second.index_box .inner ul {
    display: block;
  }
  .second.index_box .inner ul li {
    width: auto;
    margin: 10px auto;
  }
  .second.index_box .inner ul li a {
    padding: 20px 15%;
  }
  .second.index_box .inner ul.project {
    margin-bottom: 30px;
  }
  /*Ｅ－ディフェンスとは　壊れない構造物を実現するために*/
  .second.index_box .about_box {
    margin-bottom: 30px;
  }
  .second.index_box .about_box .box {
    padding: 20px 5%;
    display: block;
  }
  .second.index_box .about_box .box .txt {
    width: auto;
    margin-bottom: 20px;
  }
  .second.index_box .about_box .box figure {
    width: auto;
  }
  .second.index_box .about_box .box h4 {
    padding: 7px 5% 9px;
  }
  /*目次 研究について*/
  .second.research.index_box .inner {
    display: block;
  }
  .second.research.index_box .inner ul {
    width: auto;
    margin: 0 auto;
  }
  .second.research.index_box .inner ul li {
    margin: 0 auto 10px !important;
  }
  /*目次以外の第二階層 ナビ*/
  .second .inner02 {
    display: block;
  }
  .second .inner02 .index {
    display: none;
  }
  /*目次以外の第二階層 内容*/
  .second .inner02 .contents {
    width: 90%;
    padding: 30px 0 50px;
    margin: 0 auto;
  }
  /*ダウンロードボタン ul li*/
  .second .download ul {
    display: block;
  }
  .second .download ul li {
    width: auto;
    margin: 10px auto;
  }
  /*ダウンロードボタン p*/
  .second .btn_dl a {
    width: 250px;
    margin: 0 auto;
  }
  /*フォームボタン p*/
  .second .btn_form a {
    width: 250px;
    margin: 0 auto;
  }
  /*-------------------アクセス-------------------*/
  .second.access .inner03 {
    display: block;
  }
  .second.access .dl_box {
    width: auto;
    margin: 0 auto 30px;
  }
  .second.access .dl_box dl {
    display: block;
  }
  .second.access .dl_box dl dt {
    width: auto;
    padding: 10px 5% 12px;
  }
  .second.access .dl_box dl dd {
    width: auto;
    word-break: break-all;
  }
  .second.access figure {
    width: auto;
  }
  /*-------------------リンク-------------------*/
  .second.link section ul li {
    margin: 0 auto 20px;
  }
  .second.link section ul li h6 {
    font-size: 18px;
    padding-left: 20px;
  }
  .second.link section ul li a {
    word-break: break-all
  }
}
@media (min-width: 751px) {
  a[href*="tel:"] {
    pointer-events: none;
    cursor: default;
    text-decoration: none;
  }
}