  @charset "UTF-8";
/*----------------------------------------------------
    top_visual
----------------------------------------------------*/
body,
.slide_box .caption,
.slide_ctrl{
	opacity: 0;
}

.top_visual {
  position: relative;
  width: 100%;
  min-width: 1160px;
  min-height: 490px;
  margin: 0 auto 55px;
  padding: 20px 20px 0;
	box-sizing: border-box;
}

.index_txt {
  position: absolute;
  top: calc(50% + 15px);
  left: 0;
  /* width: 290px;
  height: 290px; */
  width: 260px;
  height: 260px;
  background: rgba(255, 255, 255, 0.8);
  transform: translateY(-50%);
  z-index: 100;
}
.index_txt_inner {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
.index_txt_inner img{
  width: 190px;
  height: auto;
}
.index_txt_inner p {
  font-family: Helvetica;
  font-size: 14.5px;
}

/* ¥È¥Ã¥×¥¹¥é¥¤¥É */
#index_slide{
	width: 100%;
	height: auto;
}
#index_slide .slide_box {
  position: relative;
  width: 100%;
  height: auto;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  margin: auto;
}
#index_slide .slide_box ul li {
  display: none;
  position: relative;
  top: 0;
  left: 0;
}

#index_slide .slide_box ul li .img{
	position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    margin: auto;
}

#index_slide .slide_box ul li .img img{
	width: 100%;
	min-width: 1160px;
	height: auto;
	position: absolute;
	top: 0;
	left: 0;
	margin: auto;
}

#index_slide .slide_box .caption {
  display: block;
  position: absolute;
  width: 100%;
  height: 30px;
  top: 610px;
  left: 0;
  margin: 0;
  padding: 0.5em 1em 0.5em 0;
  line-height: 1;
  text-align: right;
  color: #fff;
  background: rgba(0, 0, 0, 0.5);
  box-sizing: border-box;
}

#index_slide .slide_ctrl{
    position: absolute;
    top: 0;
    left: calc(50% - 90px);
    padding-top: 10px;
}

.slide_btns {
  display: flex;
  justify-content: center;
  margin-top: 10px;
}
.slide_btns li {
  margin: 0 5px;
}

@media screen and (max-width: 1160px) {
  .top_visual {
    padding: 20px 0 0 0;
  }
}
@media screen and (min-width: 1160px) {
  .index_txt {
    left: 20px;
  }
  #index_slide .slide_box ul li .img img {
    min-width: 1120px;
  }
}
@media screen and (min-width: 1290px) {
  .index_txt {
    /* width: 330px;
    height: 330px; */
    width: 290px;
    height: 290px;
    left: 18px;
    top: 50%;
  }
  .index_txt_inner img{
    /* width: 230px; */
    width: 206px;
    height: auto;
  }
  .index_txt_inner p {
    /* font-size: 17px; */
    font-size: 15px;
  }
}
@media screen and (min-width: 1700px) {
  .index_txt {
    width: 330px;
    height: 330px;
    left: 15px;
  }
  .index_txt_inner img{
    width: 290px;
  }
  .index_txt_inner p {
    font-size: 22px;
  }
  .index_txt_inner img{
    width: 240px;
  }
  .index_txt_inner p {
    font-size: 18px;
  }
}
/* ¥È¥Ã¥×¥¹¥é¥¤¥É¡¡¤³¤³¤Þ¤Ç */



.banner_special {
  width: 1160px;
  margin: 30px auto;
  padding: 0;
}
.banner_special ul {
  display: flex;
}
.banner_special ul li {
  margin-right: 20px;
}
.banner_special ul li:last-child {
  margin-right: 0;
}

/*----------------------------------------------------
    infomation
----------------------------------------------------*/
/* Information PressRelease */
.top_info_area {
  font-size: 0.875rem;
  padding-top: 30px;
  padding-bottom: 30px;
  width: 1160px;
  margin: 0 auto;
  background: #e9eaea;
}

.top_info_area .info_press_banner{
  display: flex;
}

.top_info_area .info_press_banner .info_box_sp {
  width: 860px;
  margin-right: 32px;
}

.top_info_area .info_press_banner .info_box{
  background: #fff;
  box-sizing: border-box;
  border-radius: 5px 5px 0 0;
  height: 221px;
  margin-bottom: 34px;
}

.info_box_body {
  display: flex;
  flex-wrap: wrap;
}
.info_box .title{
  width: 50%;
}
#main .info_box h2{
  font-size: 19px;
  font-size: 1.1875rem;
  font-weight: bold;
  line-height: 1;
  margin: 15px 0 0 20px;
  letter-spacing: 0.02em;
}
.info_box .btn-more {
  width: 50%;
  text-align: right;
  padding-right: 15px;
  padding-top: 20px;
  box-sizing: border-box;
  line-height: 1;
}
.info_box .btn-more a {
  position: relative;
  height: 14px;
  text-decoration: none;
  color: #000;
}
.info_box .btn-more a:before {
  position: absolute;
  content: url(/tech/civil_common/images/icon_arrow_s.svg);
  display: inline-block;
  width: 9px;
  height: 9px;
  top: 1px;
  left: -15px;
}
.info_box .btn-more a:hover {
  text-decoration: underline;
  color: #fc0010;
}

.info_box .content {
  font-size: 14.5px;
  font-size: 0.90625rem;
  width: 100%;
  height: 177px;
  margin-top: 10px;
  overflow-y: scroll;
  border-top: 1px solid #f0f0f0;
  border-bottom: 1px solid #f0f0f0;
  box-sizing: border-box;
}

.info_box .content dl {
  display: flex;
  flex-wrap: wrap;
}
.info_box .content dt,
.info_box .content dd {
  position: relative;
  padding: 10px 0 10px 0;
  line-height: 1.6;
  border-top: none;
  border-bottom: 1px dotted #ccc;
  margin-bottom: 0;
}
.info_box .content dt {
  padding-left: 20px;
}
.info_box .content dd {
  padding-right: 10px;
}
.info_box.news .content dl dt {
  width: calc(30% - 20px);
}
.info_box.press .content dt:after {
  content: "";
  background: none;
}
.info_box.news .content dl dd {
  width: calc(70% - 15px);
}
.info_box.press .content dl dt {
  width: calc(18% - 20px);
}
.info_box.press .content dl dd {
  width: calc(82% - 15px);
}


.info_box .content dt:after {
  top: 13px;
  right: 12px;
  line-height: 1;
}

#main .info_box .content h3 {
  margin: 0;
  padding: 0;
  background: none;
}
#main .info_box .content h3.movie_icon:after {
  content: "„Ó»­¤¢¤ê";
  display: inline-block;
  line-height: 1;
  width: 48px;
  text-align: center;
  padding: 3px 0 2px 2px;
  font-size: 0.625rem;
  font-weight: bold;
  color: #fff;
  background: #18615e;
  border-radius: 2px;
  vertical-align: 2px;
  letter-spacing: 0.05em;
  margin-left: 5px;
}


/* „Ó»­¼¯ Œg¿ƒ¼¯¥ê¥ó¥¯ */
.top_info_area .info_press_banner .banner_area{
  width: 268px;
}
.banner_area .banner_movies,
.banner_area .banner_projects {
  margin-bottom: 30px;
}
.banner_area .banner_movies .movies_img,
.banner_area .banner_projects .projects_img {
  position: relative;
  border-radius: 5px;
  width: 268px;
  height: 192px;
  background: #363434;
}
.banner_area .banner_movies .movies_img #movies_slide {
  width: 268px;
  height: 155px;
  position: relative;
  top: 50%;
  transform: translateY(-50%);
  padding: 0;
}

.banner_area .banner_movies .movies_img #movies_slide .slide_box {
  width: 268px;
  height: 155px;
}

.banner_area .banner_movies .movies_img #movies_slide .slide_box ul li,
.banner_area .banner_projects .projects_img #projects_slide .slide_box ul li {
  display: none;
  position: absolute;
  top: 0;
  left: 0;
}
.banner_area .banner_movies .movies_img #movies_slide .slide_box .img img {
  width: 268px;
  height: auto;
}
.banner_area .banner_projects .projects_img #projects_slide .slide_box .img img {
  width: 268px;
  height: 192px;
  border-radius: 5px;
}
.banner_area .banner_movies .movies_img #movies_slide .slide_box .img:after {
  content: '';
  display: inline-block;
  width: 75px;
  height: 75px;
  background-image: url(/tech/civil_engineering/images/icon_play_btn.svg);
  background-size: contain;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.banner_area .banner_movies .movies_img #movies_slide .slide_ctrl,
.banner_area .banner_projects .projects_img #projects_slide .slide_ctrl {
  display: none;
  position: absolute;
  top: 320px;
  right: 2px;
  width: auto;
}
.banner_area .banner_movies .movies_img #movies_slide .slide_btns,
.banner_area .banner_projects .projects_img #projects_slide .slide_btns {
  display: none;
  float: left;
  width: auto;
}
.banner_area .banner_movies .movies_img #movies_slide .slide_btns ul li,
.banner_area .banner_projects .projects_img #projects_slide .slide_btns ul li {
  float: left;
  width: 10px;
  height: 10px;
  margin-right: 6px;
  line-height: 10px;
}

.banner_area .banner_movies:hover,
.banner_area .banner_projects:hover {
  opacity: 0.5;
}

.banner_area h2 {
  margin-top: 10px !important;
  margin-bottom: 0px !important;
  margin-right: 0px !important;
  font-size: 18px;
  font-weight: bold;
  line-height: 1.3;
  color: #000;
  padding-left: 25px;
  text-indent: -25px;
}
.banner_area h2:before {
  content: url(/tech/civil_common/images/icon_arrow.svg);
  display: inline-block;
  width: 17px;
  height: 17px;
  margin-right: 8px;
  vertical-align: -0.1em;
  position: relative;
  left: 25px;
}
.banner_area h2 a {
  text-decoration: none;
  color: #000000;
}
/* „Ó»­¼¯¥ê¥ó¥¯ ¤³¤³¤Þ¤Ç*/


/* topics */
.topics{
  position: relative;
  width: 1160px;
  border-top: solid 2px #fff;
  /* margin-top: 35px; */
  margin-top: 15px;
}
#main .topics h2{
  font-size: 24px;
  font-size: 1.5rem;
  font-weight: bold;
  text-align: center;
  margin: 10px 0 10px;
  letter-spacing: 0.02em;
}
.topics .btn-more{
  position: absolute;
  top: 25px;
  right: 0;
}

.topics .btn-more a {
  position: relative;
  height: 14px;
  text-decoration: none;
  color: #000;
}
.topics .btn-more a:before {
  position: absolute;
  content: url(/tech/civil_common/images/icon_arrow_s.svg);
  display: inline-block;
  width: 9px;
  height: 9px;
  top: -4px;
  left: -15px;
}
.topics .btn-more a:hover {
  text-decoration: underline;
  color: #fc0010;
}

.topics .content ul{
  position: relative;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}
.topics .content ul > li{
  position: relative;
  width: 268px;
}
.topics .content ul > li:hover{
  opacity: 0.6;
}

.topics .content ul > li:nth-child(n+5){
  display: none;
}


.topics .content ul > li + li {
  margin-left: 29px;
}
.topics .content ul > li .img{
  height: 192px;
  overflow: hidden;
  margin-bottom: 3px;
}

.topics .content ul > li .txt .topics_date br{
  display: none;
}
.topics .content ul > li .txt h3{
  font-size: 15.5px !important;
  font-size: 0.96875rem !important;
  text-align: left !important;
  margin: 0 !important;
  line-height: 1.6;
}
.topics .content ul > li .txt h3 a{
  text-decoration: none;
}
.topics .content ul > li .txt h3 a:visited{
  color: #363434;
}

.topics .content ul > li .txt .summary{
  display: none;
}

.topics .content .topics_date:before {
  content: "¥«¥Æ¥´¥ê";
  display: inline-block;
  line-height: 1;
  position: absolute;
  top: 171px;
  width: 84px;
  text-align: center;
  padding: 5px 0 3px;
  font-size: 13px;
  font-size: 0.8125rem;
  font-weight: bold;
  color: #fff;
  background: #ccc;
  border-radius: 0 3px 0 0;
}
.topics .content .topics_date.news:before {
  content: "¤ªÖª¤é¤»";
  background: #7d7d7d;
  letter-spacing: 0.05em;
  padding-left: 1px;
}
.topics .content .topics_date.site_info:before {
  content: "¬FˆöÇéˆó";
  background: #cd8c68;
  letter-spacing: 0.2em;
  padding-left: 2px;
}
.topics .content .topics_date.digest:before {
  content: "¥À¥¤¥¸¥§¥¹¥È";
  background: #4e9d9b;
}
.topics .content .topics_date.exhibition:before {
  content: "Õ¹Ê¾»á";
  background: #916d90;
  letter-spacing: 0.2em;
  padding-left: 2px;
}
.topics .content .topics_date.press:before {
  content: "¥×¥ì¥¹¥ê¥ê©`¥¹";
  background: #6d8ab5;
  letter-spacing: -0.07em;
}
.topics .content .topics_date.new:after {
  content: "NEW";
  display: inline-block;
  line-height: 1;
  position: absolute;
  top: 199px;
  /* left: 110px; */
  left: 115px;
  width: 38px;
  text-align: center;
  padding: 3px 0 1px;
  font-size: 11px;
  font-size: 0.6875rem;
  font-weight: bold;
  color: #fff;
  background: #cc0000;
  border-radius: 2px;
}
/* topics ¤³¤³¤Þ¤Ç */


/*----------------------------------------------------
    top_index
----------------------------------------------------*/
.top_index {
  padding: 60px 0;
  width: 1160px;
  margin: 0 auto;
}

#tab {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}
#tab > li{
  width: 565px;
}
#tab > li + li {
  margin-left: 30px;
}
#tab > li a {
  position: relative;
  display: block;
  width: 100%;
  padding: 0.8em 1em 0.6em;
  text-align: center;
  font-size: 1rem;
  font-weight: bold;
  letter-spacing: 0.1em;
  background: #e9eaea;
  color: #363434;
  border-radius: 5px;
  box-sizing: border-box;
  text-decoration: none;
  transition: all ease 0.3s;
}
#tab > li a:visited {
  color: #363434;
}
#tab > li.current a {
  background: #2c4066;
  color: #fff;
  transition: all ease 0.3s;
}
#tab > li:hover a {
  opacity: 0.7;
}
#tab > li.current:hover a {
  opacity: 1;
}
#tab > li a:after {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  margin-left: -15px;
  border: 15px solid transparent;
  border-top: 15px solid #e9eaea;
}


#tab > li.current a:after {
  border-top: 15px solid #2c4066;
  transition: all ease 0.3s;
}


#civil_search {
  position: relative;
  width: 300px;
  left: 50%;
  transform: translateX(-50%);
  margin-top: 25px;
  margin-bottom: 35px;
}

.civil_search_box input[type="text"] {
  width: 76%;
  height: 40px;
  padding-left: 0.5em;
  font-size: 0.875rem;
  line-height: 40px;
  background: #f7f7f7;
  border: none;
  box-sizing: border-box;
}
.civil_search_box input[type="text"]:focus {
  outline: 0;
}
.civil_search_box input[type="submit"] {
  width: 24%;
  height: 40px;
  font-size: 0.8125rem;
  font-weight: bold;
  line-height: 40px;
  color: #FFF;
  background: #2c4066;
  border: none;
  border-radius: 0;
  box-sizing: border-box;
  transition: ease all 0.3s;
}
.civil_search_box input[type="submit"]:focus {
  outline: 0;
}
.civil_search_box input[type="submit"]:hover {
  cursor: pointer;
  background: #4b6dad;
}

.tab_menu {
  width: 1160px;
}

.tab_body {
  width: 1160px;
}

.civil_cat_list {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}
.civil_cat_list li {
  width: 269px;
}
.civil_cat_list li a {
  text-decoration: none;
}
.civil_cat_list li a img {
  width: 100%;
  height: auto;
  border-radius: 5px;
}
.civil_cat_list li h2 {
  margin-top: 10px !important;
  margin-bottom: 30px !important;
  font-size: 18px;
  font-weight: bold;
  line-height: 1;
  color: #000;
}
.civil_cat_list li h2:before {
  content: url(/tech/civil_common/images/icon_arrow.svg);
  display: inline-block;
  width: 17px;
  height: 17px;
  margin-right: 8px;
  vertical-align: -0.1em;
}
.civil_cat_list:after {
  content: none;
}

.civil_use_list {
  display: flex;
  flex-wrap: wrap;
}
.civil_use_list h2 {
  position: relative;
}
.civil_use_list h2 span {
  position: absolute;
  display: inline-block;
  top: 50%;
  padding-left: 0.75em;
  font-size: 1.125rem;
  color: #FFF;
  transform: translateY(-50%);
}
.civil_use_list .col {
  overflow: hidden;
  width: 270px;
  margin-bottom: 30px;
  margin-right: 30px;
  border-radius: 4px;
  background: #f7f7f7;
}
.civil_use_list .col:nth-child(3n) {
  margin-right: 0;
}
.civil_use_list .contents {
  padding: 1em 0 0.5em !important;
  letter-spacing: -.4em;
}
.civil_use_list .contents ul {
  display: inline-block;
  width: 50%;
  padding-left: 1em;
  vertical-align: top;
  box-sizing: border-box;
}
.civil_use_list .contents ul li {
  font-size: 0.9375rem;
  letter-spacing: normal;
}

.tech_anchor {
  margin-bottom: 15px;
}
.tech_anchor ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}
.tech_anchor ul li {
  width: calc(100% / 6);
  margin-bottom: 15px;
}
.tech_anchor ul li a {
  display: flex;
  align-items: center;
  width: 100%;
  font-size: 0.9375rem;
  font-weight: bold;
  color: #363434;
  text-decoration: none;
  transition: all 0.2s ease;
}
.tech_anchor ul li a img {
  width: 50px;
  height: 50px;
  transition: all 0.2s ease;
}
.tech_anchor ul li a:hover {
  text-decoration: underline;
  color: #fc0010;
}
.tech_anchor ul li a:hover img {
  opacity: 0.65;
}
.tech_anchor ul li a:visited {
  color: #363434;
}
.tech_anchor ul li span {
  line-height: 1.4;
  padding-left: 0.75em;
}

.hgroup {
  display: flex;
  justify-content: space-between;
  align-items: center;
  overflow: hidden;
  border-radius: 5px;
  background: #f7f7f7;
}
.hgroup h2 {
  width: 65%;
}
.hgroup h2 a {
  position: relative;
  display: block;
  width: 100%;
  font-size: 18px;
  text-decoration: none;
  color: #000;
}
.hgroup h2 a:hover {
  color: rgba(0, 0, 0, 0.5);
}
.hgroup h2 a span {
  position: absolute;
  top: 50%;
  left: 105px;
  transform: translateY(-50%);
}
.hgroup h2 img {
  width: 90px;
  height: auto;
  margin-right: 0.5em;
}
#main .hgroup h2 {
  margin: 0;
}
.hgroup_aside {
  width: 35%;
  text-align: right;
}
.hgroup_aside p {
  display: inline-block;
  margin-right: 1.5em;
  line-height: 1;
}

.hanrei_mov {
  font-family: "¥á¥¤¥ê¥ª", Meiryo, "¥Ò¥é¥®¥Î½Ç¥´ Pro W3", "Hiragino Kaku Gothic Pro", "£Í£Ó £Ð¥´¥·¥Ã¥¯", "MS PGothic", sans-serif;
  font-size: 0.8125rem;
}
.hanrei_mov:before {
  content: url(/tech/civil_common/images/icon_movie.svg);
  display: inline-block;
  width: 20px;
  height: 15px;
  position: relative;
  top: 2px;
}

.go_index a {
  font-size: 0.8125rem;
  color: #000;
  text-decoration: none;
}
.go_index a:before {
  content: url(/tech/civil_common/images/icon_arrow_s.svg);
  display: inline-block;
  width: 10px;
  height: 10px;
  margin-right: 8px;
  zoom: 1;
  transform: rotate(-90deg);
}
.go_index a:hover {
  color: #fc0010;
  text-decoration: underline;
}

.tech_index {
  display: flex;
  flex-wrap: wrap;
  font-size: 0.9375rem;
  margin-bottom: 40px;
}
.tech_index .col {
  width: 50%;
  float: none;
  padding-bottom: 1em;
  border-top: 1px dotted #ccc;
  box-sizing: border-box;
}
.tech_index .col:nth-child(odd) ul {
  margin-right: 1.75%;
}
.tech_index .col:nth-child(even) h3 {
  margin-left: 1.75% !important;
}
.tech_index .col:nth-child(even) ul {
  margin-left: 1.75%;
}
.tech_index .col:nth-child(2n+1):last-child {
  width: 100%;
}
.tech_index .col:nth-of-type(-n+2) {
  background: none;
  border-top: none;
}
.tech_index .col ul.link {
  margin-bottom: 7px;
}
.tech_index .col ul.link > li {
  position: relative;
  margin-bottom: 0.5em;
  padding-left: 1em;
  line-height: 1.4;
  box-sizing: border-box;
  background: none;
}
.tech_index .col ul.link > li:before {
  position: absolute;
  content: url(/tech/civil_common/images/icon_arrow_s.svg);
  display: inline-block;
  top: -2px;
  left: 2px;
  width: 9px;
  height: 9px;
}
.tech_index .col .new {
  position: relative;
}
.tech_index .col .new:after {
  content: "NEW";
  display: inline-block;
  line-height: 1;
  width: 35px;
  text-align: center;
  padding: 3px 0 2px;
  margin-left: 5px;
  font-size: 0.6875rem;
  font-weight: bold;
  color: #fff;
  background: #cc0000;
  border-radius: 2px;
  vertical-align: 2px;
}
.tech_index .col a.movie_icon:after {
  content: url(/tech/civil_common/images/icon_movie.svg);
  display: inline-block;
  width: 20px;
  height: 14px;
  margin-left: 5px;
  vertical-align: top;
}
#main .tech_index h3 {
  margin: 1em 0 0.25em;
  padding: 0;
  background: none;
}

/*----------------------------------------------------
    btn_area
----------------------------------------------------*/
.top_btn_area {
  padding-top: 15px;
  padding-bottom: 15px;
  width: 1160px;
  margin: 0 auto;
  background: #e9eaea;
}

/*----------------------------------------------------
    banner_special_bottom
----------------------------------------------------*/
.banner_special_bottom {
  width: 1160px;
  margin: 30px auto;
  padding: 0;
}
.banner_special_bottom ul {
  display: flex;
  justify-content: center;
}
.banner_special_bottom ul li {
  margin-right: 20px;
}
.banner_special_bottom ul li:last-child {
  margin-right: 0;
}




/*----------------------------------------------------
    print
----------------------------------------------------*/
@media print {
  .top_visual {
    width: 1160px;
    height: 490px !important;
    padding: 0;
  }
  #index_slide .slide_box .caption {
    top: 460px !important;
  }
  #index_slide .slide_ctrl {
    top: 470px !important;
  }

  .bg-g {
		background: none;
	}
	.bg-g .top_info_area,
	.bg-g .top_btn_area{
		background: none;
	}

}