@charset "UTF-8";
/*
 建設業働き方フォーラム 2026
*/

@media only screen and (min-width: 767.1px) {
  .is-sp{
    display: none;
    visibility: hidden;
  }
}
@media only screen and (max-width: 767px) {
  .is-pc{
    display: none;
    visibility: hidden;
  }
}
.is_title_left .forum_title_en{
  text-align: left;
}
.is_title_left .forum_title{
  text-align: left;
}

.forum_section_header{
  position: relative;
  z-index: 2;
  padding-bottom: 30px;
  overflow: hidden;
}
.forum_section_header .forum_title{
  margin-top: 0;
}
@media only screen and (max-width: 767px) {
  .forum_section_header{
    padding-bottom: 15px;
  }
  .forum_section_header::before{
    font-size: 34px;
    top: -4px;
    letter-spacing: 7.2px;
  }
  .forum_section_header .forum_title::after{
    width: 100px;
  }
}

/*__ CTA __*/
.forum_inner + .forum_cta{
  margin-top: 100px;
  margin-bottom: -60px;
}
.forum_cta_link{
  font-size: 28px;
  line-height: 1.5;
  font-weight: 700;
  display: inline-flex;
  padding: 20px 40px;
  justify-content: center;
  align-items: center;
  gap: 10px;
  border-radius: 50px;
  background: #F4B839;
  color: #000;
  box-shadow: 0px 0px 20px 0px rgba(0, 0, 0, 0.25);
  position: relative;
}

@media only screen and (max-width: 767px) {
  .forum_inner + .forum_cta{
    margin-top: 30px;
    margin-bottom: -40px;
  }
  .forum_cta_link{
    display: flex;
    font-size: 18px;
    font-size: 16px;
    padding: 20px;
    justify-content: center;
  }
}

/*__ header __*/
.forum_header{
	width: 100%;
	position: fixed;
	top: 0;
	left: 0;
	z-index: 99;
	padding: 0 2.77vw;
	box-sizing: border-box;
	transition: all .2s;
}

.forum_header_nav_list{
	display: flex;
	align-items: center;
	height: 100%;
  gap: 20px;
}
.forum_header_nav_link{
	display: block;
	padding: 34px 20px;
	height: 100%;
	color: #fff;
	font-weight: 600;
}
@media only screen and (max-width: 767px) {
  .forum_header{
    height: 30px;
    padding: 10px 20px;
    display: flex;
    align-items: start;
  }
  .forum_header_nav_inner{
    justify-content: center;
    flex-direction: column;
    height: 100%;
  }
  .forum_header_nav_list{
    height: auto;
  }
  .forum_header_nav_link{
    padding: 10px 10px;
  }
}

/*__ main __*/
.forum_main{
  position: relative;
  z-index: 0;
}

/*__ hero __*/
.forum_hero{
  height: 50vw;
  max-height: 780px;
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  background: url(../img/2026/bg_hero_pc.webp) no-repeat top left;
  background-size: 100% auto;
}
.forum_hero::after{
  content: "";
  position: absolute;
  z-index: -1;
  bottom: 0;
  left: 0;
  height: 150px;
  width: 100%;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.00) 0%, #FFF 100%);
}

@media only screen and (max-width: 767px) {
  .forum_hero{
    height: 528px;
    align-items: flex-start;
    background: url(../img/2026/bg_hero_sp.webp) no-repeat top left;
    background-size: 100% auto;
  }
}

.forum_hero_inner{
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  position: relative;
  gap: 40px;
}
@media only screen and (max-width: 767px) {
  .forum_hero_inner{
    gap: 20px;
    padding: 60px 40px 0;
  }
}

.forum_hero_title{
  width: min(80vw,900px);
}
@media only screen and (max-width: 767px) {
  .forum_hero_title{
    max-width: 260px;
  }
}

.forum_hero_announce{
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  width: 100%;
  border-radius: 10px;
  padding: 20px 30px;
  border: 8px solid #F2C247;
  background: #FFF;
  box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.10);
  color: #DD6322;
  font-weight: 700;
  text-align: center;
}
.forum_hero_announce h2{
  font-size: 36px;
}
.forum_hero_announce p{
  font-size: 21px;
}
@media only screen and (max-width: 767px) {
  .forum_hero_announce{
    padding: 10px;
  }
  .forum_hero_announce h2{
    font-size: 15px;
  }
  .forum_hero_announce p{
    font-size: 12px;
  }
}


/*__ フォーラムについて __*/
.forum_about_detail{
  display: flex;
  gap: 3vw;
  justify-content: space-between;
  align-items: start;
}
.forum_about_detail .forum_content{
  margin-top: 20px;
  width: calc( 100% - 624px );
  flex-shrink: 0;
}
@media only screen and (max-width: 767px) {
  .forum_about{
    padding: 20px 0;
  }
  .forum_about_detail{
    flex-direction: column-reverse;
    padding-top: 20px;
  }
  .forum_about_detail .forum_content{
    width: 100%;
  }
}
.forum_about_detail .forum_digest-movie{
  max-width: 594px;
}

/*__ フォーラムについて __*/
.forum_about{
  background: #fff;
  padding: 0 0 80px;
}

.forum_large_title{
  font-size: 43px;
  line-height: 1.25;
  color:#DD6322;
  margin-bottom: 30px;
}
.forum_about_txt{
  font-size: 14px;
  line-height: 2.4;
}
.forum_about .forum_cta{
  text-align: left;
}
.forum_about .forum_cta_link{
  font-size: 24px;
  padding: 20px 60px;
}

@media only screen and (max-width: 767px) {
  .forum_large_title{
    font-size: 30px;
  }
  .forum_about_txt .is-pc{
    display: none;
    visibility: hidden;
  }
  .forum_about_txt+.forum_about_txt{
    margin-top: 10px;
  }
  .forum_about .forum_cta{
    text-align: centet
  r;
  }
}

/**/
.forum_photo_gallery{
  padding: 20px 0;
  width: 100%;
  overflow: hidden;
  position: relative;
  z-index: 1;
}
.forum_photo_gallery::before{
  content: "";
  width: 100%;
  height: 50%;
  background: #fff;
  position: absolute;
  top: -20px;
  left: 0;
  z-index: -1;
}
.forum_photo_list{
  display: flex;
  gap: 20px;
  margin-left: -10vw;
  width: 120vw;
}
.forum_photo_list_item{
  width: max( 25vw, 440px );
}
.forum_photo_list_item img{
  border-radius: 20px;
}
@media only screen and (max-width: 767px) {
  .forum_photo_gallery{
    overflow-x: auto;
  }
  .forum_photo_list{
    width: calc( 380px * 4 );
  }
}

/* スポンサー募集 */
/*.forum_sponsor{}*/
.forum_sponsor .forum_title_en{
  font-size: max(70px,5vw );
  line-height: 1;
}
@media only screen and (max-width: 767px) {
  .forum_sponsor .forum_title_en{
    font-size: 46px;
  }
}

.forum_sponsor_body{
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 40px;
  margin-bottom: 30px;
}
@media only screen and (min-width: 768px) {
  .forum_sponsor_content{
    width: calc( 65% - 40px);
  }
  .forum_about_hall{
    width: 35%;
  }
}
.forum_about_hall.has_border{
  border: solid 4px #D08E00;
  padding: 20px;
  color:#D08E00;
  font-weight: 700;
}
@media only screen and (max-width: 767px) {
  .forum_sponsor_body{
    flex-direction: column;
    gap: 20px;
  }
}


.forum_sponsor_privilege{
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  gap: 20px;
  padding: min(40px,5vw );
  background: #fff;
  border-radius: 40px;
  box-shadow: 0 0 44px 0 rgba(0, 0, 0, 0.11);
}
.forum_sponsor_privilege_title{
  font-size: 24px;
  color:#D08E00;
}
.sponsor_privilege_list{
  display: flex;
  flex-wrap: wrap;
  gap: 20px 30px;
}
@media only screen and (max-width: 767px) {
  .forum_sponsor_privilege{
    margin: 0 -20px;
    padding: 40px 20px;
  }
}
@media only screen and (min-width: 768px) {
  .sponsor_privilege_list_item{
    width: calc( 33% - 20px );
  }
  .sponsor_privilege_list_item.is_half{
    width: calc( 50% - 20px );
  }
}
.privilege_item figcaption{
  font-size: 20px;
  font-weight: 700;
}

@media only screen and (max-width: 767px){
  .forum_map{
    height: 110vw;
  }
}