@charset "UTF-8";

/*--------------------------------------------------------------------------------
　▼ contents
--------------------------------------------------------------------------------*/
#contents {
    background-color: #fff;
    color: #231815;
    padding: 0 0 50px;
}

/*--------------------------------------------------------------------------------
　▼ スライド　
--------------------------------------------------------------------------------*/
.slick-dotted.slick-slider {
    margin-bottom: 0;
}

.slider {
    width: 100%;
}

.slick-slide .for-pc {
    display: block;
    width: 100%;
}

.slick-slide .for-sp {
    display: none;
}

/*--------------------------------------------------------------------------------
　▼ トップページ　メイン画像
--------------------------------------------------------------------------------*/
.top-visual {
    color: #fff;
    overflow: hidden;
    position: relative;
}

.top-visual .sub-title {
    margin: 0 auto;
}

.top-visual .top-visual-img {
    font-size: 0;
    width: 100%;
}

.top-visual .top-visual-img img {
    width: 100%;
}

.top-visual .top-visual-txt {
    position: absolute;
    top: 50%;
    left: 50%;
    -ms-transform: translate(-50%,-50%);
    -webkit-transform: translate(-50%,-50%);
    transform: translate(-50%,-50%);
    text-align: center;
    width: 100%;
}

.top-visual .sec-title {
    font-size: 8rem;
}

.top-visual .sub-title {
    margin-bottom: 0;
}

.top-visual-scroll {
    position: absolute;
    right: -120px;
    top: 50%;
    padding-right: 120px;
    -ms-transform: translate(0,-50%);
    -webkit-transform: translate(0,-50%);
    transform: translate(0,-50%);
    -webkit-transform: rotate(90deg) translate(-50%,0);
    -ms-transform: rotate(90deg) translate(-50%,0);
    transform: rotate(90deg) translate(-50%,0);
    -webkit-transform-origin: left bottom;
    -ms-transform-origin: left bottom;
    transform-origin: left bottom;
    line-height: 1.5;
}

.top-visual-scroll:before {
    width: 112px;
    -webkit-transform-origin: left center;
    -ms-transform-origin: left center;
    transform-origin: left center;
}

.top-visual-scroll:before {
    position: absolute;
    top: 50%;
    right: 0;
    height: 1px;
    content: '';
    background: #fff;
}

.dam-see-wrap {
    bottom: 4%;
    position: absolute;
    right: 4%;
    width: 20.5%;
}

.dam-see-wrap a {
    display: block;
}

.dam-see-wrap a img {
    width: 100%;
}


/*--------------------------------------------------------------------------------
　▼ トップページ　mv movie
--------------------------------------------------------------------------------*/
.top-visual-movie{
/*     padding-bottom: 124px; */
    padding-bottom:0px;
}
/* .top-visual-movie .top-inner-box{

} */



.top-visual-movie .top-inner-box .mv-movie{
    /* padding-bottom: 56.25%; */
    padding-bottom: 1125px;
    height: 0;
    position: relative;
    clip-path: polygon(0 0, 100% 0, 100% 74%, 0 100%);
    overflow: hidden;
}

.top-visual-movie .top-inner-box #mv-youtube-wrap{
    padding-bottom: 76.6%;
/*     padding-bottom: 1125px; */
    height: 0;
    position: relative;
    clip-path: polygon(0 0, 100% 0, 100% 74%, 0 100%);
    overflow: hidden;
}

.top-visual-movie .top-inner-box iframe{
    position: absolute;
    top: 0;
    left: 0;
    /* width: 100%; */
    height: 100%;
    max-height: 1100px;
    right: 0;
    bottom: 0;
}

.top-visual-movie .txtClm{
    text-align: right;
    position: relative;
    bottom: 42px;
}
.top-visual-movie .txtClm .date{
    display: inline-block;
    padding: 10px 20px;
    border: 1px solid #000;
    font-size: 13px;
}

/* .top-visual-movie .txtClm {

    display: inline-block;
    position: absolute;
    background: #fff;
    padding:1rem 2rem ;
    top: 66%;
    right: 7%;
    transform: translateY(-50%);
}
.top-visual-movie .txtClm .date{
    text-align: right;
    font-size: 13px;
} */






/* #youtubeWrap{
  position: relative;
  height: 500px;
  width: 100%;
} */


/* TOPmp4埋め込み用 */
.top-visual-movie .top-inner-box #mv-movie-wrap{
    padding-bottom: 75.6%;
    height: 0;
    position: relative;
    clip-path: polygon(0 0, 100% 0, 100% 74%, 0 100%);
    overflow: hidden;
}

.top-visual-movie .top-inner-box #mv-movie-wrap #mvtop{
    position: relative;
}

.top-visual-movie .top-inner-box #mv-movie-wrap .movie{
    line-height: 1;
    width: 100vw;
    clip-path: polygon(0 0, 100% 0, 100% 74%, 0 100%);
}



.top-visual-movie .titTxt.pc {
    /* padding: 26px 0; */

    display: inline-block;
    position: absolute;
    background: #fff;
    padding:1rem 2rem ;
    right: 0%;
    bottom: 40%;
    transform: translateY(-50%);
}
.top-visual-movie .titTxt.sp {
display: none;
}

#mv-movie-wrap .titTxt .date{
    text-align: right;
    font-size: 13px;
}



/*--------------------------------------------------------------------------------
　▼ トップページ　ダムを知ろう
--------------------------------------------------------------------------------*/
.top-about-dam{
    padding:124px 0 ;
}
.top-about-dam .first-hl-area{
    padding: 0 3%;
}

.top-about-dam .first-hl-area .enja-headline-en{
    margin-bottom: 30px;
}

.top-about-dam .first-hl-area .section-title-top{
    display: inline-block;
    position: relative;
}
.top-about-dam .first-hl-area .section-title-top:after{
    content: "";
    background: url(../img/top-ico-drone.svg) no-repeat;
    width: 116px;
    height:116px;
    position: absolute;
    right: -116px;
    bottom: -4px;
    display: inline-block;
}

.top-about-dam .two-colmun{
    display: flex;
    justify-content: flex-start;
}

.top-about-dam .two-colmun .leftClm,.rightClm{
    width: 40%;
}
.top-about-dam .two-colmun .leftClm{
    margin-right: 9%;
}

.top-about-dam .two-colmun .txt{
    font-size:16px;
    line-height: 1.9;
    letter-spacing: 0.1em;
}

/*--------------------------------------------------------------------------------
　▼ トップページ　お知らせ
--------------------------------------------------------------------------------*/



.top-newstitle {
	background: #000000; color: #ffffff; padding: 5px 0px
}

.top-newstitle a {color:#ffffff;text-decoration:underline;}
.top-newstitle a:link {color:#ffffff;text-decoration:underline;}
.top-newstitle a:visited {color:#ffffff;text-decoration:underline;}
.top-newstitle a:hover {color:#ffffff;text-decoration:none;}
.top-newstitle a:active {color:#ffffff;text-decoration:none;}



.top-newslist {
	background: #efefef;
	padding: 20px 0px 20px 0px;
}


.top-newslist ul {
    list-style:none;

    width: 100%;
    margin: 0;
    padding: 0;
}

.top-newslist ul li{
    list-style:none;
    line-height:180%;
    /* margin-bottom:7px; */

    border-top: 1px solid #dadbdb;
    margin-bottom:0px;

}

.top-newslist ul li:last-child{
    border-bottom: 1px solid #dadbdb;
}
.top-newslist ul li a{
    width: 100%;
    padding: 40px 0;
    display: flex;
    font-size: 16px;
    margin-bottom: 0px;
}


.top-newslist ul li p {
    font-size:110%;
}

.top-newslist ul li span:first-child{
    margin-left: 40px;
    min-width: 120px;
}
.top-newslist ul li span:nth-child(n+2){
    margin-left: 30px;
}

.top-newslist ul + .to-newslistpage {
    font-size: 14px;
    letter-spacing: 0;
    text-align: right;
    position: relative;
    margin-right: 57px;
    margin-top: 44px;
}


.to-newslistpage a {
    text-decoration: underline!important;
}

/* .to-newslistpage:after {
    content: "";
    background: url(../img/arrow-diagonal.svg) no-repeat;
    width: 13px;
    height: 13px;
    position: relative;
    right: -8px;
    bottom: -1px;
    display: inline-block;
} */


.top-newssection{
    padding:124px 0 0;
}

.top-newssection .top-newslist {
    background: #fff;
    padding: 0px 0px 0px 0px;
}
/* .top-newssection .top-newslist  {

}
 */


@media screen and (max-width: 480px) {
   .top-newslist ul li p {
    display: block
   }
}

.top-newslist ul li h3 {
	margin-top: 0px;
}

.top-newslist a {color:#000000;text-decoration:none;}
.top-newslist a:link {color:#000000;text-decoration:none;}
.top-newslist a:visited {color:#000000;text-decoration:none;}
.top-newslist a:hover {color:#666666;text-decoration:none;}
.top-newslist a:active {color:#666666;text-decoration:none;}

/*--------------------------------------------------------------------------------
　▼ 大林組 ダム構築管理 最新システム
--------------------------------------------------------------------------------*/
.top-dam {
    color: #fff;
    position: relative;
}

.top-dam .top-dam-img {
    font-size: 0;
    line-height: 1;
    width: 100%;
}

.top-dam .sec-title {
    font-size: 4vw;
    line-height: 1.3em;
    margin-bottom: 20px;
    text-align: left;
}

.top-dam .odict {
    position: relative;
}

.top-dam .sec-title .tm {
    font-size: 1.75vw;
    position: relative;
    right: -10px;
    bottom: 2vw;
}

.top-dam-wrap {
    position: absolute;
    left: 4%;
    width: 40%;
    top: 50%;
    -ms-transform: translate(0%,-50%);
    -webkit-transform: translate(0%,-50%);
    transform: translate(0%,-50%);
}

.top-dam-wrap a {
    display: block;
}

.top-dam .square {
    background-color: rgba(203, 53, 0, 0.85);
    height: 100%;
    padding: 50%;
    position: relative;
    width: 100%;
}

.square .top-dam-in {
    color: #fff;
    left: 0;
    padding: 30px 20px;
    position: absolute;
    top: 50%;
    width: 100%;
    -ms-transform: translate(0,-50%);
    -webkit-transform: translate(0,-50%);
    transform: translate(0,-50%);
}

.top-dam-en {
    display: inline-block;
    font-size: 2rem;
    font-family: 'M PLUS 1p';
    line-height: 2.9rem;
    vertical-align: middle;
}

.top-dam-arrow {
    display: inline-block;
    padding-right: 10px;
    vertical-align: middle;
    width: 20%;
}

.top-dam-arrow img {
    vertical-align: middle;
}

.top-dam-arrow:after {
    content: "";
    clear: both;
    display: block;
    width: 100%;
}

/*--------------------------------------------------------------------------------
　▼ ダムの世界
--------------------------------------------------------------------------------*/
.top-lesson {
    background-color: #def7fc;
    line-height: 1;
    position: relative;
}

.top-lesson-wrap {
    bottom: 3%;
    position: absolute;
    left: 17%;
    width: 17%;
}

.top-lesson-wrap a {
    display: block;
}

.top-lesson-wrap a img {
    width: 100%;
}



.top-lesson {
    padding: 124px 0;
}

.top-lesson .bnr-menu-list{
    display: flex;
    justify-content: space-between;
    width: 100%;
    margin: 100px 0 0;
    padding:0;
}

.top-lesson .bnr-menu-list li{
    list-style: none;
    width: 20%;
}
.top-lesson .txtClm .enja-headline-ja{
    margin-top: 3px;
}

/*--------------------------------------------------------------------------------
　▼ Dam Technology / Live camera
--------------------------------------------------------------------------------*/
.top-tech-live{
    padding: 124px 0;
}
.top-tech-live .section-title-top{
    margin-bottom: 90px;
}
.top-tech-live .two-colmun{
    display: flex;
    justify-content: space-between;
    margin-top: 100px;
}

.top-tech-live .two-colmun .imgAndTxt{
    width: 48%;
}


/*--------------------------------------------------------------------------------
　▼ ダムをつくる人たち　インタビュー
--------------------------------------------------------------------------------*/
.top-interview {
    /* background-image: url(../img/interview-bg.png); */
    background-position: top center;
    background-size: contain;
    background-repeat: no-repeat;
/*     padding: 80px 0 0; */

    padding: 216px 0 124px;
}

.top-interview .inner-box {
    width: auto;
    max-width: 1600px;
    padding: 0 7%;
}

.interview-list li {
    width: 32%;
}

.interview-list li:nth-child(3n - 1) {
    margin: 0 2%;
}

.interview-list .interview-title {
    font-family: 'mplus-regular';
    margin-top: 5px;
}



/*--------------------------------------------------------------------------------
　▼ top-moviebeltArea　動画
--------------------------------------------------------------------------------*/
.top-moviebeltArea{
    padding-bottom: 56.25%;
    height: 0;
    position: relative;
}

.top-moviebeltArea iframe{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.top-moviebeltArea .top-inner-box .txtClm{
/*     display: flex; */
    justify-content: end;
    padding-top: 15px;
}
.top-moviebeltArea .top-inner-box .txtClm p{
    display: block;
    text-align: right;
}
.top-moviebeltArea .top-inner-box .txtClm p.date span{
    display: inline-block;
    padding: 10px 20px;
    border: 1px solid #000;
}
.top-moviebeltArea .top-inner-box .txtClm p.note{
    margin-top: 10px;
}

.top-moviebeltArea .top-inner-box .txtClm p a{
    text-decoration: none;
    color: #231815;
}

.top-moviebeltArea .top-inner-box .txtClm p a:hover{
    text-decoration: underline;
}
/* #youtubeWrap{
  position: relative;
  height: 500px;
  width: 100%;
} */

#youtubeWrap{
    padding-bottom: 56.25%;
    height: 0;
    position: relative;
}


/*--------------------------------------------------------------------------------
　▼ トップページ　
--------------------------------------------------------------------------------*/
.top-gallery {
    margin: 0 auto;
    max-width: 1200px;
    padding: 80px 10% 20px;
    width: auto;
}

.top-gallery .inner-box {
    background: url(../img/gallery01.png),url(../img/gallery02.png),url(../img/gallery03.png),url(../img/gallery04.png) no-repeat;
    background-position: left top,right top,right bottom,left bottom;
    background-repeat: no-repeat;
    background-size: 100px auto;
    padding: 0 10% 10%;
}

.box_voice {
    text-align: center;
    width: 100%;
}

.box_voice a {
    display: block;
}

.top-gallery .list li {
    display: inline-block;
    line-height: 1;
    vertical-align: top;
    width: 16.6666%;
}


/*---------------------------------タブレット用----------------------------------*/
/*-----------------------------------------------------------------------------*/
@media only screen and (max-width: 1060px) {

    .top-dam .sec-title {
        font-size: 4.6vw;
        margin-bottom: 40px;
    }

    .dam-see-wrap {
        width: 25%;
    }

}

/*---------------------------------スマホ横から----------------------------------*/
/*-----------------------------------------------------------------------------*/
@media only screen and (max-width: 767px) {

    .top-dam .sec-title .tm {
        right: 0;
        bottom: 1.5vw;
    }

    .top-visual .sec-title {
        font-size: 2.8rem;
    }

    .top-visual .sub-title {
        width: 55px;
    }

    .top-visual-scroll {
        font-size: .6rem;
        right: -50px;
        padding-right: 47px;
        top: 40%;
    }

    .top-visual-scroll:before {
        right: 0;
        width: 35px;
    }

    .top-visual-movie {
        padding-bottom: 70px;
    }

    .top-visual-movie .top-inner-box{
        padding: 0;
    }

    .top-visual-movie .top-inner-box .mv-movie {
/*         padding-bottom: 56.25%;
        padding-bottom: 1125px;
        height: 0; */
/*         position: relative; */
        clip-path: polygon(0 0, 100% 0, 100% 74%, 0 100%);
/*         overflow: hidden; */
        padding-bottom: 56.25%;
    }

    .top-visual-movie .top-inner-box #mv-youtube-wrap{
        /* padding-bottom: 56.25%; */
        /* padding-bottom: 1125px;
        height: 0;
        position: relative; */
        clip-path: polygon(0 0, 100% 0, 100% 74%, 0 100%);
        padding-bottom: 56.25%;
    }


    .top-visual-movie .top-inner-box iframe {
        width: 100%;
    }

    .top-visual-movie .txtClm {
        padding: 0 6.25% 0 0;

        background: initial;
        position: static;
        right: initial;
        top: initial;
        display: block;
        transform: translateY(0);
    }
    .top-visual-movie .txtClm .date{
        font-size: 12px;
        padding: 6px 15px;
    }


/* TOPmp4埋め込み用 */
.top-visual-movie .top-inner-box #mv-movie-wrap{
    clip-path: polygon(0 0, 100% 0, 100% 74%, 0 100%);
    padding-bottom: 56.25%;
}

/* .top-visual-movie .top-inner-box #mv-movie-wrap #mvtop{
    position: relative;
}

.top-visual-movie .top-inner-box #mv-movie-wrap .movie{
    line-height: 1;
    width: 100vw;
    clip-path: polygon(0 0, 100% 0, 100% 74%, 0 100%);
} */


.top-visual-movie .titTxt.pc {
    display: none;
}
.top-visual-movie .titTxt.sp {
    display: block;
    padding: 26px 6.25% 0 0;
    text-align: right;
}


    .top-dam .sec-title {
        font-size: 4vw;
        line-height: 1.2rem;
        margin-bottom: 10px;
    }

    .top-dam-wrap {
        left: 10%;
        width: 43%;
    }

    .square .top-dam-in {
        padding: 20px 10px;
    }

    .top-dam .top-dam-wrap img {
        width: 17px;
    }

    .top-dam-arrow {
        width: 30%;
    }

    .top-dam-en {
        font-size: 1rem;
        line-height: 1.4rem;
        width: 65%;
    }

    .top-gallery {
        background-size: 200% auto;
        padding: 70px 0;
    }


    .top-moviebeltArea .top-inner-box .txtClm p a{
        word-break: break-all;
    }
    .top-moviebeltArea .top-inner-box .txtClm p.date span{
        padding: 6px 15px;
    }
    .top-moviebeltArea .top-inner-box .txtClm p.note{
        margin-top: 8px;
    }

    .top-interview {
        background-size: 200% auto;
        padding: 166px 0 70px;
    }


    .top-interview .inner-box {
        padding: 20px 6.25% 0;
    }

    .interview-list li {
        display: block;
        line-height: 1;
        margin: 0 0 15px;
        width: 100%;
    }

    .interview-list li:nth-child(3n - 1) {
        margin: 0 0 20px;
    }

    .interview-list li a {
        font-size: 1rem;
    }

    .interview-list li .img-box {
        float: left;
        padding-top: 25%;
        width: 35%;
    }

    .interview-list li .interview-txt {
        float: right;
        line-height: 1.5em;
        padding-left: 3%;
        width: 65%;
    }

    .interview-list li:after {
        content: "";
        clear: both;
        display: block;
    }

    .interview-cate {
        line-height: 1.3em;
        margin: 0 0 2%;
        padding: 1px 0;
    }

    .top-gallery {
        background-image: url(../img/interview-bg.png);
        background-position: top center;
        background-repeat: no-repeat;
        margin-bottom: 0;
        padding: 25px 0;
    }

    .top-gallery .inner-box {
        background-image: none;
        padding: 0 6.25%;
    }

    .top-gallery .list li {
        width: 33.333%;
    }

    .top-tech-live{
        padding: 70px 0;
    }
    .top-tech-live .section-title-top {
        margin-bottom: 50px;
        line-height: 1.3;
    }

    .top-tech-live .two-colmun {
        display: block;
        margin-top: 0;
    }

    .top-tech-live .two-colmun .imgAndTxt {
        width: 100%;
        margin-top: 45px;
    }


    .top-about-dam {
        padding: 30px 0;
    }

    .top-about-dam .first-hl-area {
        padding: 0;
    }

    .top-about-dam .first-hl-area .enja-headline-en {
        margin-bottom: 15px;
    }
    .top-about-dam .first-hl-area .section-title-top:after {
        width: 90px;
        height: 90px;
        right: -100px;
        bottom: -8px;
    }
    .top-about-dam .two-colmun {
        display: block;
    }

    .top-about-dam .two-colmun .leftClm,.rightClm{
        width: 100%;
    }
    .top-about-dam .two-colmun .leftClm{
        margin-right: 0;
        margin-bottom: 25px;
    }


    .top-lesson {
        padding: 70px 0;
    }

    .top-lesson .bnr-menu-list{
        flex-wrap: wrap;
        margin: 50px 0 0;
    }
    .top-lesson .bnr-menu-list li{
        justify-content: center;
        width:50%;
    }
    .top-lesson .bnr-menu-list li:nth-child(odd){
        padding-right: 3px;
    }
    .top-lesson .bnr-menu-list li:nth-child(even){
        padding-left: 3px;
    }
    .top-lesson .bnr-menu-list li:nth-child(n+3){
        padding-top: 6px;
    }

    .top-newssection{
        padding:70px 0;
    }
    .top-newslist ul li a{
        padding: 18px 0;
        display: block;
        font-size: 16px;
    }
    .top-newslist ul li span:first-child {
        margin-left: 0;
        width: 100%;
        min-width: initial;
        display: block;
        font-size: 14px;
    }
    .top-newslist ul li span:nth-child(n+2) {
        font-size: 14px;
        margin-left: 0;
        margin-top: 4px;
        display: block;
    }
    .top-newslist ul + .to-newslistpage{
        margin-right: 10px;
        margin-top: 18px;
    }
}

/*---------------------------------スマホ用----------------------------------*/
/*-----------------------------------------------------------------------------*/
@media screen and (max-width:480px) {

    .dam-see-wrap {
        width: 27%;
    }

    .top-lesson-wrap {
        width: 21%;
    }

}