.scroll-down span {
    position: absolute;
    top: 18px;
    left: 50%;
    width: 12px;
    height: 13px;
    margin-left: -8px;
    border-left: 1px solid #fff;
    border-bottom: 1px solid #fff;
    -webkit-transform: rotate(-45deg);
    transform: rotate(-45deg);
    -webkit-animation: sdb05 1.5s infinite;
    animation: sdb05 1.5s infinite;
    box-sizing: border-box;
}

@-webkit-keyframes sdb05 {
    0% {
        -webkit-transform: rotate(-45deg) translate(0, 0);
        transform: rotate(-45deg) translate(0, 0);
        opacity: 0;
    }
    50% {
        opacity: 1;
    }
    100% {
        -webkit-transform: rotate(-45deg) translate(-20px, 20px);
        transform: rotate(-45deg) translate(-20px, 20px);
        opacity: 0;
    }
}
@keyframes sdb05 {
    0% {
        transform: rotate(-45deg) translate(0, 0);
        opacity: 0;
    }
    50% {
        opacity: 1;
    }
    100% {
        transform: rotate(-45deg) translate(-20px, 20px);
        opacity: 0;
    }
}
#video-background {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: #999;
    z-index: -1;
}
#video-background::before {
    content: "";
    position: absolute;
    background: rgba(0, 0, 0, 0.7);
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1;
    opacity: 0;
    transition: 1s all linear;
}
body.fixed-btn #video-background::before{
	opacity: 1
}
#video-background #iframe_js-mainvisualVideo {
    height: 120vh !important;
    margin-left: 0 !important;
    left: 50% !important;
    transform: translateX(-50%);
}

#key-box {
    background: url("../img/index/key_bg.jpg") no-repeat center;
    background-size: cover;
}
#key-box h2 {
    font-size: 8vw;
    width: 41vw;
    height: 110vw;
    margin: 0 auto 5vw;
    line-height: 2.6;
    color: #000;
    position: absolute;
    top: 49vw;
    left: 0;
    right: 0;
}
#key-box h2 span {
    margin-top: 8vw;
    letter-spacing: 0.2em;
}
#key-box .photo {
    margin: 0 -46% 0 -53%;
    position: absolute;
    bottom: 5vw;
}
@media only screen and (min-width: 768px) {
    #key-box h2 {
        font-size: 40px;
        width: 210px;
        height: 553px;
        top: 280px;
        letter-spacing: 6px;
    }
    #key-box .photo {
        margin: 0 auto;
        left: 0;
        right: 0;
        text-align: center;
    }
}


#news {
    background: url("../img/shared/bg2.jpg") repeat;
    padding: 5vw 0 5vw;
    color: #fff;
}
#news h2 {
    font-size: 4.5vw;
    text-align: center;
    margin-bottom: -1vw;
}
#news .item {
    font-size: 14px;
    letter-spacing: 0;
    text-align: center;
}
#news .item a{
	display: block;
}
#news .box {
    position: relative;
}
#news .box::before {
    content: "";
    position: absolute;
    top: 0;
    width: 4%;
    height: 1px;
    right: 0;
    background: #fff;
}
#news .box::after {
    content: "";
    position: absolute;
    bottom: 0;
    width: 5%;
    height: 1px;
    right: 0;
    background: #fff;
}
#news .box .inner {
    position: relative;
    padding: 0vw 4%;
    border-left: 1px solid #fff;
    border-right: 1px solid #fff;
}
#news .box .inner::before {
    content: "";
    position: absolute;
    top: 0;
    width: 5%;
    height: 1px;
    left: 0;
    background: #fff;
}
#news .box .inner::after {
    content: "";
    position: absolute;
    bottom: 0;
    width: 5%;
    height: 1px;
    left: 0;
    background: #fff;
}
@media only screen and (min-width: 768px) {
    #news {
        padding: 31px 0 20px;
    }
    #news h2 {
        font-size: 20px;
        margin-bottom: -10px;
    }
    #news .item {
        font-size: 16px;
        letter-spacing: 2px;
    }
    #news .box {
        max-width: 460px;
        margin: 0 auto 10px;
    }
    #news .box::before {
        width: 10px;
    }
    #news .box::after {
        width: 10px;
    }
    #news .box .inner {
        padding: 0;
    }
    #news .box .inner::before {
        width: 10px;
    }
    #news .box .inner::after {
        width: 10px;
    }
}


#sec1 {
    position: relative;
    z-index: 5;
}
#sec1 .top {
    min-height: 82vh;
    position: relative;
}
#sec1 .top .scroll-down {
    text-align: center;
    font-size: 19px;
    position: absolute;
    top: 70vh;
    left: 0;
    right: 0;
    margin: 0 auto 8vw;
    color: #fff;
}
#sec1 #concept {
    padding-bottom: 13vw;
    color: #fff;
}
#sec1 #concept h2 {
    margin-bottom: 10vw;
	line-height: 1.5;
}
#sec1 #concept h2 small {
    font-size: 3vw;
    display: inline-block;
    margin-bottom: 5vw;
    position: relative;
    margin-left: 2%;
    letter-spacing: 1px;
}
#sec1 #concept h2 small::after {
    content: "";
    position: absolute;
    bottom: 17%;
    right: 0;
    left: -51%;
    height: 1px;
    background: #fff;
}
#sec1 #concept h2 span {
    font-size: 9vw;
    text-align: center;
    line-height: 1.6;
    display: block;
}
#sec1 #service {
    position: relative;
    padding: 15vw 0 29vw;
    color: #fff;
}
#sec1 #service h2 {
    font-size: 16vw;
    text-align: center;
    color: #5ca2a5;
    margin-bottom: -2vw;
    position: relative;
    z-index: 5;
    letter-spacing: 0.02em;
}
#sec1 #service .photo {
    margin: 0 1% 1vw;
}
#sec1 #service h3 {
    font-weight: 500;
    font-size: 8vw;
    margin-bottom: 5vw;
    text-align: center;
    line-height: 1.6;
    letter-spacing: 0.15em;
}
#sec1 #service h3 small {
    font-size: 6vw;
}
#sec1 #service .list {
    flex-wrap: wrap;
    margin-bottom: 6vw;
    justify-content: space-between;
}
#sec1 #service .list .item {
    width: 46%;
    background: rgba(0, 0, 0, 0.2);
    height: 42vw;
    display: -webkit-flex;
    display: -moz-flex;
    display: -ms-flex;
    display: -o-flex;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    margin: 0 1%;
    letter-spacing: 0.05em;
}
#sec1 #service .list .item dl {
    font-weight: 500;
    text-align: center;
    font-size: 4.3vw;
    color: #fff;
}
#sec1 #service .list .item dl dt {
    border-bottom: 2px solid #5ca2a5;
    display: inline-block;
}
#sec1 #service .list .item:first-child {
    margin: 0 27% -3vw;
}
#sec1 #service .txt {
    margin-bottom: 9vw;
}
@media only screen and (min-width: 768px) {
    #sec1 #concept .wrap {
        width: 1130px;
    }
    #sec1 .top {
        min-height: 909px;
    }
    #sec1 .top .scroll-down {
        top: 828px;
    }
    #sec1 #concept {
        padding-bottom: 20px;
        padding-top: 110px;
    }
    #sec1 #concept h2 {
        margin-bottom: 76px;
    }
    #sec1 #concept h2 small {
        font-size: 24px;
        margin-bottom: 80px;
        letter-spacing: 0;
    }
    #sec1 #concept h2 small::after {
        bottom: 9px;
        left: calc(50% - 50vw);
    }
    #sec1 #concept h2 span {
        font-size: 40px;
        text-align: left;
        margin-left: 99px;
        line-height: 75px;
        letter-spacing: 7px;
    }
    #sec1 #concept .txt {
        margin-left: 100px;
        width: 650px;
    }
    #sec1 #service {
        padding: 185px 0 174px;
    }
    #sec1 #service h2 {
        font-size: 100px;
        margin-bottom: -20px;
        position: absolute;
        right: -50px;
        top: -127px;
    }
    #sec1 #service .photo {
        margin: 0 -20px 40px;
    }
    #sec1 #service h3 {
        font-size: 40px;
        position: absolute;
        right: 20px;
        top: -40px;
        text-align: left;
        z-index: 5;
        letter-spacing: 8px;
        width: 50px;
        height: 440px;
    }
    #sec1 #service h3 small {
        font-size: 30px;
        letter-spacing: 4px;
    }
    #sec1 #service .list {
        margin-bottom: 33px;
        flex-wrap: nowrap;
    }
    #sec1 #service .list .item {
        width: 300px;
        height: 300px;
    }
    #sec1 #service .list .item dl {
        font-size: 31px;
        line-height: 68px;
        letter-spacing: 3px;
    }
    #sec1 #service .list .item:first-child {
        margin: 0 20px;
    }
    #sec1 #service .txt {
        margin-bottom: 63px;
        text-align: center;
    }
    #sec1 #service .btn-cus.white a {
        height: 88px;
        line-height: 88px
    }
}
#para {
    position: relative;
    height: 53vw;
}
#sec2 {
    background: url("../img/shared/bd_bg.jpg") repeat;
    position: relative;
    z-index: 5;
    color: #000;
    padding: 22vw 0 18vw;
}
#sec2::before {
    content: "";
    background: url("../img/index/sec2_deco1.png") no-repeat center top;
    position: absolute;
    top: 0;
    left: -18%;
    width: 70%;
    height: 60vw;
    background-size: 100%;
}
#sec2 h2 {
    font-size: 14.7vw;
    text-align: center;
    font-weight: 600;
    color: #5ca2a5;
    margin-bottom: 13vw;
    letter-spacing: 0.01em;
    line-height: 0.8;
}
#sec2 h2 span {
    font-size: 8vw;
    color: #000;
    font-weight: normal;
    letter-spacing: 0.2em;
}
#sec2 .toggle {
    margin: 0 -2% 21vw;
}
#sec2 .toggle .toggle-main {
    display: block;
}

#sec2 .toggle .toggle-link {
    text-align: center;
    position: relative;
    padding-bottom: 5vw;
}
#sec2 .toggle .toggle-link::after {
    content: "";
    position: absolute;
    top: 28px;
    left: 50%;
    display: block;
    width: 10px;
    height: 10px;
    -webkit-transition-duration: .6s;
    -ms-transition-duration: .6s;
    -moz-transition-duration: .6s;
    transition-duration: .6s;
    border-right: 1px solid #707070;
    border-bottom: 1px solid #707070;
    -webkit-transform: rotate(45deg);
    -moz-transform: rotate(45deg);
    -o-transform: rotate(45deg);
    transform: rotate(45deg);
    box-sizing: border-box;
    margin-left: -7px;
}
#sec2 .toggle.active .toggle-link::after{
	 -webkit-transform: rotate(225deg);
    -moz-transform: rotate(225deg);
    -o-transform: rotate(225deg);
    transform: rotate(225deg);
	top: 37px;
}
#sec2 .bnr {
    position: relative;
    background: url("../img/shared/sec2_bg.jpg") center;
    padding-top: 1px;
}
#sec2 .bnr::before {
    position: absolute;
    content: "";
    top: 10px;
    right: -10px;
    left: 10px;
    bottom: -10px;
    border: 1px solid #5ca2a5;
}
#sec2 .bnr::after {
    position: absolute;
    content: "";
    top: 10px;
    right: 0px;
    left: 10px;
    bottom: 0px;
    border: 1px solid #fff;
    border-right: 0;
    border-bottom: 0;
}
#sec2 .bnr .img {
    width: 90%;
    margin: -10vw auto -5vw;
    position: relative;
    z-index: 5;
    height: 41vw;
}
#sec2 .bnr .col {
    padding: 8%;
    position: relative;
}
#sec2 .bnr .col::after {
    content: "";
    background: url("../img/index/sec2_box_deco.png") no-repeat center top;
    position: absolute;
    right: 0;
    bottom: 0;
    width: 36%;
    height: 32vw;
    background-size: 100%;
}
#sec2 .bnr .col h3 {
    text-align: center;
    font-size: 6vw;
    line-height: 1.8;
    margin-bottom: 4vw;
    color: #fff;
}
#sec2 .bnr .col .btn-cus {
    width: 64%;
    margin: 0 auto;
}
@media only screen and (max-width: 767px) {
	#sec2 .toggle .toggle-main .item-shared:nth-child(1),#sec2 .toggle .toggle-main .item-shared:nth-child(2),#sec2 .toggle .toggle-main .item-shared:nth-child(3),#sec2 .toggle .toggle-main .item-shared:nth-child(4){
		display: block
	}
	#sec2 .toggle .toggle-main .item-shared{
		display: none;
	}
	#sec2 .toggle.active .toggle-main .item-shared{
		display: block
	}
}
@media only screen and (min-width: 768px) {
    #para {
        height: 400px;
    }
    #sec2 {
        padding: 173px 0 190px;
    }
    #sec2::before {
        width: 786px;
        height: 630px;
        left: auto;
        right: calc(50% + -38px);
    }
    #sec2 h2 {
        font-size: 100px;
        margin-bottom: 37px;
        line-height: 95px;
    }
    #sec2 h2 span {
        font-size: 40px;
        display: block;
    }
    #sec2 .toggle {
        margin: 0;
    }
    #sec2 .toggle .toggle-link {
        display: none;
    }
    #sec2 .toggle .toggle-main {
        display: flex;
        flex-wrap: wrap;
        margin: 0 -9px 100px;
    }
    #sec2 .toggle .toggle-link {
        padding-bottom: 20px;
    }
    #sec2 .bnr {
        display: flex;
    }
    #sec2 .bnr .img {
        margin: -22px 0 31px 32px;
        height: 298px;
    }
    #sec2 .bnr .col {
        padding: 57px 34px;
        width: 454px;
    }
    #sec2 .bnr .col::after {
        width: 158px;
        height: 161px;
    }
    #sec2 .bnr .col h3 {
        font-size: 30px;
        margin-bottom: 22px;
        letter-spacing: 5px;
    }
    #sec2 .bnr .col .btn-cus {
        width: 231px;
    }
    #sec2 .bnr .col .btn-cus a:hover{
         background: #fff;
         color: #5ca2a5;
         transition: all 0.5s;
    }
    #sec2 .bnr .col .btn-cus a:hover::after{
         background: url(../img/shared/icon_arrow3_on.png) no-repeat center;
         width: 15px;
         height: 14px;
    }
}


#sec3 {
    position: relative;
    padding: 15vw 0 15vw;
    background: url("../img/index/sec3_bg.png") no-repeat center;
    background-size: cover;
}
#sec3 .link {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
}
#sec3::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
}
#sec3 h2 {
    text-align: left;
    margin-bottom: 6vw;
    width: 87%;
    margin-left: auto;
    color: #fff;
}
#sec3 h2 .en {
    font-size: 4vw;
    display: inline-block;
    margin-bottom: 1vw;
    position: relative;
	    line-height: 5vw;
}
#sec3 h2 .en::after {
    content: "";
    position: absolute;
    bottom: 1vw;
    left: 0;
    right: calc(50% - 80vw);
    height: 1px;
    background: #fff;
}
#sec3 h2 .jp {
    font-size: 6vw;
    position: relative;
}
#sec3 h2 .jp::after {
    content: "";
    background: url("../img/shared/icon_arrow2.png") no-repeat;
    width: 32px;
    height: 40px;
    background-size: 100%;
    display: inline-block;
    vertical-align: middle;
    margin-left: 17px;
}
@media only screen and (min-width: 768px) {
    #sec3 {
        padding: 180px 60px 164px;
    }
	#sec3:hover{
		opacity: 0.8;
		transition: all 0.5s;
	}
    #sec3 .wrap {
        width: 1302px;
    }
    #sec3::before {
        display: none;
    }
    #sec3 h2 {
        margin-bottom: 20px;
        width: 452px;
        color: #000;
        margin-top: 18px;
        letter-spacing: 0;
    }
    #sec3 h2 .en {
        font-size: 24px;
        margin-bottom: 20px;
		line-height: 50px;
    }
    #sec3 h2 .en::after {
        background: #000;
        bottom: 16px;
    }
    #sec3 h2 .jp {
        font-size: 40px;
        letter-spacing: 8px;
    }
    #sec3 h2 .jp::after {
        width: 50px;
        height: 50px;
        margin-top: -10px;
           transition: all 0.5s;
    }
     #sec3:hover h2 .jp::after {
      background: url("../img/shared/icon_arrow2_on.png") no-repeat;
         background-size: 100%;
         transition: all 0.5s;
    }
    
}
@media only screen and (max-width: 767px) {
    #sec2 .toggle .toggle-main .item .col .row {
        height: auto !important;
    }
}