@charset "utf-8";

/* mv_bg
-------------------------------------------------- */
.mv_bg{
    width: 100%;
    height: 100vh;
    position: fixed;
    top: 0;
    left: 0;
    overflow: hidden;
    z-index: 11;
}
.mv_bg .mv_bg_inner,
.mv_bg .mv_bg_slide,
.mv_bg .mv_bg_slide .swiper-container,
.mv_bg .mv_bg_slide ul,
.mv_bg .mv_bg_slide ul li{
    height: 100%;
}
.mv_bg .mv_bg_slide ul li p{
    width: 100%;
    height: 100%;
    background-position: center top;
    background-repeat: no-repeat;
    background-size: cover;
    position: absolute;
    top: 0;
    left: 0;
}
.mv_bg .mv_bg_slide ul li:nth-of-type(1) p{
    background-image: url(/jpn/company/history/images/mv01.jpg);
}
.mv_bg .mv_bg_slide ul li:nth-of-type(2) p{
    background-image: url(/jpn/company/history/images/mv02.jpg);
}
.mv_bg .mv_bg_slide ul li:nth-of-type(3) p{
    background-image: url(/jpn/company/history/images/mv03.jpg);
}
.mv_bg .mv_bg_slide ul li.swiper-slide-active p{
    -webkit-animation: zoomOut 6s ease-out 0s;
    animation: zoomOut 6s ease-out 0s;
}
@-webkit-keyframes zoomOut {
    0% {
        -webkit-transform: scale(1.1);
        transform: scale(1.1);
    }
    100% {
        -webkit-transform: scale(1);
        transform: scale(1);
    }
}
    
@keyframes zoomOut {
    0% {
        -webkit-transform: scale(1.1);
        transform: scale(1.1);
    }
    100% {
        -webkit-transform: scale(1);
        transform: scale(1);
    }
}

@media print, screen and (min-width: 768px) {
}

@media screen and (max-width:767px) {
    .mv_bg .mv_bg_slide ul li:nth-of-type(1) p{
        background-position: 27% top;
    }
    .mv_bg .mv_bg_slide ul li:nth-of-type(2) p{
        background-position: 31% top;
    }
    .mv_bg .mv_bg_slide ul li:nth-of-type(3) p{
    }
}


/* mv
-------------------------------------------------- */
.mv{
    width: 100%;
    height: 100vh;
    background-image: url(/jpn/company/history/images/mv_history.svg);
    background-repeat: no-repeat;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 21;
}
.mv .mv_inner{
    width: 100%;
}
.mv .mv_ttl{
    margin-right: auto;
    margin-left: auto;
}
.mv .mv_txt{
    color: #fff;
}
.mv .mv_scroll{
    text-align: center;
    position: absolute;
    left: 50%;
}
.mv .mv_scroll a{
    color: #fff;
    line-height: 1;
    display: block;
}
.mv .mv_scroll a .txt{
    display: block;
}
.mv .mv_scroll a .arw{
    width: 67.857%;
    margin: 8px auto 0;
    display: block;

    -webkit-animation: arwanim 2s infinite alternate ease-in-out;
    animation: arwanim 2s infinite alternate ease-in-out;
}

@-webkit-keyframes arwanim {
    0% {
        -webkit-transform: translate(0, 0);
    }
    50% {
        -webkit-transform: translate(0, 10px);
    }
    100% {
        -webkit-transform: translate(0, 0);
    }
}
@keyframes arwanim {
    0% {
        transform: translate(0, 0);
    }
    50% {
        transform: translate(0, 10px);
    }
    100% {
        transform: translate(0, 0);
    }
}

@media print, screen and (min-width: 768px) {
    .mv{
        height: calc(100vh - 116px);
        background-position: 50% 50%;
        background-size: 95% auto;
    }
    .mv .mv_ttl{
        width: 276px;
    }
    .mv .mv_txt{
        margin-top: 30px;
        font-size: 20px;
    }
    .mv .mv_scroll{
        width: 60px;
        margin-left: -30px;
        bottom: 7.802%;
    }
    .mv .mv_scroll a{
        font-size: 12px;
        transition: opacity .3s;
    }
    .mv .mv_scroll a:hover{
        opacity: 0.7;
    }
}

@media screen and (max-width:767px) {
    .mv{
        height: calc(100vh - 75px);
        background-position: 50% 28%;
        background-size: 98% auto;
    }
    .mv .mv_ttl{
        width: 73.6%;
        max-width: 276px;
    }
    .mv .mv_txt{
        margin-top: 20px;
        /* font-size: 5.97vw; */
        font-size: 20px;
        line-height: 1.8;
    }
    .mv .mv_scroll{
        /* width: 14.933%; */
        /* max-width: 56px; */
        width: 56px;
        /* margin-left: -7.166%; */
        margin-left: -28px;
        bottom: 5.599%;
    }
}


/* SECTION
-------------------------------------------------- */
.sec_history{
    background: url(/jpn/company/history/common/images/bg.png) center top fixed;
    position: relative;
    z-index: 21;
}
.sec_history .sec_inner{
    margin-right: auto;
    margin-left: auto;
    letter-spacing: 0.06em;
}
.sec_history img{
    max-width: 100%;
}

@media print, screen and (min-width: 768px) {
    .sec_history{
        padding-bottom: 100px;
    }
    .sec_history .sec_inner{
        max-width: 1024px;
    }
}

@media screen and (max-width:767px) {
    .sec_history{
        padding-bottom: 50px;
    }
    .sec_history .sec_inner{
        width: 84%;
    }
}


/*sec_iwatani*/
.sec_iwatani{
    background-image: url(/jpn/company/history/images/iwatani_bg.png);
    background-repeat: no-repeat;
}

.sec_iwatani .sec_iwatani_box{}
.sec_iwatani .sec_iwatani_box .fig{}

.sec_iwatani .sec_iwatani_box .exp{
    position: relative;
}
.sec_iwatani .sec_iwatani_box .exp .year{
    position: absolute;
}
.sec_iwatani .sec_iwatani_box .exp .txt{
    line-height: 2;
}
.sec_iwatani .sec_iwatani_box .exp .btn{}
.sec_iwatani .sec_iwatani_box .exp .btn a{
    border: 1px solid #333;
    color: #333;
    font-weight: 500;
    text-align: center;
    text-decoration: none;
    display: block;
    position: relative;
    z-index: 1;
}
.sec_iwatani .sec_iwatani_box .exp .btn a:before{
    content: "";
    display: block;
    width: 23px;
    height: 6px;
    margin-top: -0.2em;
    background: url(/jpn/common_v3/images/icon_arrow_gray.png) center center no-repeat;
    position: absolute;
    top: 50%;
    right: 15px;
    z-index: 1;
}

@media print, screen and (min-width: 768px) {
    .sec_iwatani{
        padding-top: 160px;
        padding-bottom: 80px;
        background-position: center -290px;
        background-size: cover;
    }
    .sec_iwatani .sec_iwatani_box{
        display: flex;
        justify-content: space-between;
    }
    .sec_iwatani .sec_iwatani_box .fig{
        width: 44.14%;
    }
    .sec_iwatani .sec_iwatani_box .exp{
        width: 46.093%;
        padding-top: 68px;
    }
    .sec_iwatani .sec_iwatani_box .exp .year{
        top: -80px;
        left: -126px;
    }
    .sec_iwatani .sec_iwatani_box .exp .btn{
        width: 74.152%;
        max-width: 350px;
        margin-top: 40px;
    }
    .sec_iwatani .sec_iwatani_box .exp .btn a{
        padding: 17px 30px 18px;
        overflow: hidden;
        transition: color .2s cubic-bezier(0.8, 0, 0.2, 1) 0s, border-color .2s cubic-bezier(0.8, 0, 0.2, 1) 0s;
    }
    .sec_iwatani .sec_iwatani_box .exp .btn a:hover{
        border-color: #ff0a14;
        color: #fff;
    }
    .sec_iwatani .sec_iwatani_box .exp .btn a:before{
        transition: background-image .2s cubic-bezier(0.8, 0, 0.2, 1) 0s;
    }
    .sec_iwatani .sec_iwatani_box .exp .btn a:hover:before{
        background-image: url(/jpn/common_v3/images/icon_arrow_wh.png);
    }
    .sec_iwatani .sec_iwatani_box .exp .btn a:after{
		content: "";
		display: block;
		width: 100%;
		height: 100%;
		background-color: #ff0a14;
		position: absolute;
		top: 0;
		bottom: 0;
		left: 0;
		transform: scale(0, 1);
		transform-origin: right top;
		transition: transform .2s cubic-bezier(0.8, 0, 0.2, 1) 0s;
        z-index: -1;
    }
    .sec_iwatani .sec_iwatani_box .exp .btn a:hover:after{
		transform: scale(1, 1);
		transform-origin: left top;
		visibility: visible;
    }
}

@media screen and (max-width:767px) {
    .sec_iwatani{
        padding-top: 60px;
        padding-bottom: 60px;
        background-position: 56% center;
        background-size: auto 104%;
    }
    .sec_iwatani .sec_iwatani_box .exp{
        margin-top: 90px;
        padding-right: 10px;
        padding-left: 10px;
    }
    .sec_iwatani .sec_iwatani_box .exp .txt{
        font-size: 14px;
    }
    .sec_iwatani .sec_iwatani_box .exp .year{
        width: 82.133vw;
        max-width: 616px;
        min-width: 308px;
        bottom: calc(100% + 35px);
        right: -20px;
    }
    .sec_iwatani .sec_iwatani_box .exp .btn{
        margin-top: 36px;
    }
    .sec_iwatani .sec_iwatani_box .exp .btn a{
        padding: 19px 30px 20px;
    }
}


/*sec_hydrogen*/
.sec_hydrogen{
    color: #fff;
}
.sec_hydrogen .sec_hydrogen_inner{
    letter-spacing: 0.06em;
}

.sec_hydrogen .sec_hydrogen_box{
    background-image: url(/jpn/company/history/images/hydrogen_bg.jpg);
    background-repeat: no-repeat;
    background-size: cover;
}

.sec_hydrogen .sec_hydrogen_box .fig{}

.sec_hydrogen .sec_hydrogen_box .exp{}
.sec_hydrogen .sec_hydrogen_box .exp .ttl{
    font-weight: 500;
}
.sec_hydrogen .sec_hydrogen_box .exp .ttl em{
    font-family: 'Poppins', sans-serif;
    font-weight: 500;
    letter-spacing: 0;
}
.sec_hydrogen .sec_hydrogen_box .exp .txt{
    line-height: 2;
}
.sec_hydrogen .sec_hydrogen_box .exp .btn{}
.sec_hydrogen .sec_hydrogen_box .exp .btn a{
    border: 1px solid #fff;
    color: #fff;
    font-weight: 500;
    text-align: center;
    text-decoration: none;
    display: block;
    position: relative;
    z-index: 1;
}
.sec_hydrogen .sec_hydrogen_box .exp .btn a:before{
    content: "";
    display: block;
    width: 23px;
    height: 6px;
    margin-top: -0.2em;
    background: url(/jpn/common_v3/images/icon_arrow_wh.png) center center no-repeat;
    position: absolute;
    top: 50%;
    right: 15px;
    z-index: 1;
}

@media print, screen and (min-width: 768px) {
    .sec_hydrogen{
        margin-top: 76px;
    }
    .sec_hydrogen .sec_hydrogen_inner{
        max-width: 1024px;
        margin-right: auto;
        margin-left: auto;
    }
    .sec_hydrogen .sec_hydrogen_box{
        padding: 38px 40px 51px 80px;
        background-position: center center;
        display: flex;
        justify-content: space-between;
        flex-flow: row-reverse;
    }
    
    .sec_hydrogen .sec_hydrogen_box .fig{
        width: 52.328%;
        position: relative;
    }
    .sec_hydrogen .sec_hydrogen_box .fig figure{
        position: absolute;
        top: -64px;
        left: 0;
    }

    .sec_hydrogen .sec_hydrogen_box .exp{
        width: 38.802%;
    }
    .sec_hydrogen .sec_hydrogen_box .exp .ttl{
        font-size: 24px;
    }
    .sec_hydrogen .sec_hydrogen_box .exp .ttl em{
        font-size: 183.333%;
    }
    .sec_hydrogen .sec_hydrogen_box .exp .ttl span{
        font-size: 125%;
    }
    .sec_hydrogen .sec_hydrogen_box .exp .btn{
        max-width: 350px;
        margin-top: 30px;
    }
    .sec_hydrogen .sec_hydrogen_box .exp .btn a{
        padding: 17px 30px 18px;
        overflow: hidden;
        transition: border-color .2s cubic-bezier(0.8, 0, 0.2, 1) 0s;
    }
    .sec_hydrogen .sec_hydrogen_box .exp .btn a:hover{
        border-color: #ff0a14;
    }
    .sec_hydrogen .sec_hydrogen_box .exp .btn a:after{
        content: "";
        display: block;
        width: 100%;
        height: 100%;
        background-color: #ff0a14;
        position: absolute;
		top: 0;
		bottom: 0;
		left: 0;
		transform: scale(0, 1);
		transform-origin: right top;
		transition: transform .2s cubic-bezier(0.8, 0, 0.2, 1) 0s;
        z-index: -1;
    }
    .sec_hydrogen .sec_hydrogen_box .exp .btn a:hover:after{
		transform: scale(1, 1);
		transform-origin: left top;
		visibility: visible;
    }
}

@media screen and (max-width:767px) {
    .sec_hydrogen{
        margin-top: 156px;
    }
    .sec_hydrogen .sec_hydrogen_inner{
        width: 100%;
    }
    .sec_hydrogen .sec_hydrogen_box{
        padding: 160px 6.667% 60px;
        background-position: 20% center;
    }
    .sec_hydrogen .sec_hydrogen_box .fig{
        width: 86.769%;
        margin: -256px auto 0;
        position: relative;
    }
    .sec_hydrogen .sec_hydrogen_box .exp{
        margin-top: 15px;
    }
    .sec_hydrogen .sec_hydrogen_box .exp .ttl{
        font-size: 24px;
    }
    .sec_hydrogen .sec_hydrogen_box .exp .ttl em{
        font-size: 146.667%;
    }
    .sec_hydrogen .sec_hydrogen_box .exp .ttl span{
        font-size: 125%;
    }
    .sec_hydrogen .sec_hydrogen_box .exp .txt{
        width: 90.769%;
        font-size: 14px;
        margin: 16px auto 0;
    }
    .sec_hydrogen .sec_hydrogen_box .exp .btn{
        width: 90.769%;
        margin: 36px auto 0;
    }
    .sec_hydrogen .sec_hydrogen_box .exp .btn a{
        padding: 19px 30px 20px;
    }
}


/*sec_links*/
.sec_links{
    padding-bottom: 60px;
    position: relative;
}
.sec_links:after{
    content: "";
    width: 100%;
    background-color: rgba(190, 187, 182, 0.5);
    position: absolute;
    bottom: 0;
    left: 0;
    z-index: -1;
}
.sec_links .sec_inner{}

.sec_links ul{}
.sec_links ul li{
    text-align: center;
}
.sec_links ul li a{
    color: #fff;
    display: block;
    position: relative;
    overflow: hidden;
}
.sec_links ul li a:after{
    content: "";
    display: block;
    width: 23px;
    height: 6px;
    background: url(/jpn/common_v3/images/icon_arrow_wh.png) center center no-repeat;
    position: absolute;
    bottom: 20px;
    right: 20px;
}
.sec_links ul li a .fig{}
.sec_links ul li a .txt{
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    top: 0;
    left: 0;
}
.sec_links ul li a .txt .ttl{
    font-size: 24px;
    font-weight: 500;
    line-height: 1.333;
}
.sec_links ul li a .txt .ttl em{
    font-size: 30px;
}

@media print, screen and (min-width: 768px) {
    .sec_links{
        margin-top: 68px;
    }
    .sec_links:after{
        height: calc(100% - 107px);
    }

    .sec_links ul{
        display: flex;
        justify-content: space-between;
    }
    .sec_links ul li{
        width: 31.25%;
    }
    .sec_links ul li a .fig{
        transition: transform .6s;
    }
    .sec_links ul li a:hover .fig{
        transform: scale(1.1, 1.1);
    }
}

@media screen and (max-width:767px) {
    .sec_links{
        margin-top: 60px;
    }
    .sec_links:after{
        height: calc(100% - 94px);
    }
    
    .sec_links ul li{
        margin-top: 20px;
    }
    .sec_links ul li:first-child{
        margin-top: 0;
    }
}