@import url('https://fonts.googleapis.com/css2?family=Gulzar&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Shippori+Mincho&display=swap');
:root{
    color-scheme: dark;
}
html {
    scroll-behavior: smooth;
}
*{
    margin:0;
    padding:0;
    font-family: 'Gulzar', 'Shippori Mincho', monospace , serif;
    text-decoration: none;
    color: #fff;
}

#loading{
    width:100%;
    height:100%;
    background-color: #000;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1000;
    color: #fff;
    text-align: center;
    padding: 40vh 0;
    opacity: 1;
    transition: all 1.5s;
}
#loading .container{
    width: 30%;
    border-bottom: 2vw solid #aaa;
    margin: 0 auto;
    display: flex;
    justify-content: space-around;
    margin-top: 10%;
    perspective: 1000px;
    opacity: 0;
    transition: all 2s 1s;
}
#loading .container div {
    font-size: 3vw;
    font-family: sans-serif;
    transform-style: preserve-3d;
}
#loading .container div{
    animation: turn 3s infinite;
    animation-delay: 2200ms;
}
#loading .container div:nth-child(2) {
    animation-delay: 2400ms;
}
#loading .container div:nth-child(3) {
    animation-delay: 2600ms;
}
#loading .container div:nth-child(4) {
    animation-delay: 2800ms;
}
#loading .container div:nth-child(5) {
    animation-delay: 3000ms;
}
#loading .container div:nth-child(6) {
    animation-delay: 3200ms;
}
#loading .container div:nth-child(7) {
    animation-delay: 3400ms;
}

@keyframes turn{
    0%{
        transform: rotateX(0deg);
        transform-origin: 0 4vw;
    }
    100% {
        transform: rotateX(360deg);
        transform-origin: 0 4vw;
    }
}

.loaded{
    opacity:0 !important;
}
body{
    color: #fff;
    font-size:25px;
    padding:0;
    background-color: #000;
    overscroll-behavior: none;
}
.main-body.normal{
    margin:0;
    width: 100%;
    height: 100%;
    min-height:100vh;
    background-color:#0004;
    background-image: url(img/blur_edges.png);
    background-repeat: no-repeat;
    background-size: auto 100vh;
    background-position: center center;
    background-attachment: fixed;
    background-blend-mode: darken;
    transition: all 0.3s;
}
.main-body.iphone{
    position: relative;
}
.iphone-background{
    display: none;
}
.main-body.iphone > .iphone-background {
    display: block;
    position: sticky;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: url(img/blur_edges.png) center center no-repeat;
    background-size: auto 100%;
    z-index: -100;
    opacity: 0.5;
    transition: all 0.3s;
}
.main-body.pagetop{
    background-color:#0001;
}
.main-body.pagetop > .iphone-background{
    opacity: 1;
}
.main-content{
    width: 100%;
    height: 100%;
    min-height: 100vh;
    padding-top:100vh;
    margin: 0 auto;
    z-index:0;
}

@media (max-width: 720px){
    .main-body > .main-content{
        padding-top:92vh;
    }    
}
.main-body.iphone > .main-content{
    padding-top:0;
}
.main-body.iphone #grayLayer{
    transform: translateY(calc(101svh - 100lvh));
}
.blur{
    backdrop-filter: blur(10px);
}
.pagetop-logo{
    opacity:0;
    background-image:url(img/shibalab-logo-white.svg);
    background-size: contain;
    background-repeat:no-repeat;
    margin: 0 auto;
    width:60vw;
    height:50vh;
    transition: all 0.5s;
    position:absolute;
    top:20vh;
    left:14vw;
}
.pagetop-mouse{
    opacity: 0;
    background-image: url(img/mouse.png);
    background-size:contain;
    background-repeat: no-repeat;
    background-position: center center;
    filter: invert();
    margin: 0 auto;
    width:100%;
    height:10vw;
    max-height: 130px;
    transition: all 0.5s;
    position:absolute;
    top: 80vh;
    left:0;
}
.pagetop-mouse::after{
    content:"";
    visibility:hidden;
    display: block;
    width: 100%;
    height: 4vh;
    background-size:contain;
    background-repeat: no-repeat;
    background-position: center center;
    background-image: url(img/scroll-down-icon.svg);
    position: absolute;
    bottom: 3vh;
    left: 0;
    animation: scroll 3s infinite;
}
@keyframes scroll{
    0%{
        opacity: 0.3;
    }
    50% {
        opacity: 1;
    }
    100% {
        opacity: 0.3;
    }
}
.pagetop .pagetop-logo,.pagetop .pagetop-mouse{
    opacity:1;
}


.p{
    width:90%;
    margin: 1em auto;
    text-align: center;
    line-height:2.5em;
}
.ph{
    border-bottom:1px solid #fff;
}
.blank{
    width:100%;
    height: 12vh;
}
.gray-layer{
    width:100%;
    height:100%;
    background-color: #0008;
}
.concept{
    display:block;
    margin: 0 auto;
    width: 30%;
    min-width: fit-content;
    font-size: 120%;
    transition: width 2s;
    transition-delay: .2s;
}
.concept-disp{
    width: 100%;
}

.about-row{
    width: 80vw;
    height: calc(32vw - 1em);
    margin: 0 auto;
    padding:  2.5em 0;
}
.seemore{
    width: 100%;
    height: 7vh;
}
.seemore > a{
    display: block;
    position: relative;
    margin: 0 auto;
    width: 50%;
    height: 5.5vh;
    color: #fff;
    font-size: 2.5vh;
    text-align: center;
    border-bottom: 1px solid #fff6;
    border-top: 1px solid #fff6;
    background-color: #fff1;
    box-shadow: inset 0 0 10px #0004;
    transition: background .1s;
}
.seemore > a:hover{
    background-color: #ffffff28;
    box-shadow: inset 0 0 10px #0006;
}
.seemore > a > span{
    display: block;
    position: absolute;
    width:.5rem;
    height:.5rem;
    top:calc(50% - .2rem);
    right:10%;
    border-top: solid 2px #fff;
    border-right: solid 2px #fff;
    transform: rotate(45deg);
}

@media (max-width:780px){
    .about-row{
        width:100%;
        height: calc(42vw - 1em);
    }
}
.about-wrap{
    width: 100%;
    background-color: #fff1;
    font-size:50%;
    margin: 10em 0;
}
.about-column{
    float:left;
}
.about-large-column{
    width: calc(40% - 1em);
    margin-right: 1em;
}
.about-middle-column{
    width: 20%;
}
.about-inlarge-small-column{
    width: calc(50% - .5em);
}
.about-inlarge-small-column:nth-child(2n+1){
    margin-right:1em;
}
.about-inlarge-small-column:nth-child(n+3){
    margin-top:1em;
}

.about-index{
    display:block;
    width: 100%;
    height: 100%;
    background-color: #000a;
    background-repeat: no-repeat;
    background-position: center center;
    background-size: auto 101%;
    padding-top: 100%;
    transition: all .3s;
    overflow: hidden;
}
.about-index:hover{
    background-size: auto 110%;
}
.about-explain{
    margin-top:-25%;
    padding: .52em .5em;
    width: 100%;
    background-color:#0005;
    color: #fffb;
    text-decoration: none;
    font-size:2vw;
    opacity: 0;
    transition: all 0.3s;
}
.about-index:hover .about-explain{
    opacity: 1;
}
.about-explain > .more{
    height:1.8em;
    font-size:80%;
}
.img-area{
    position: relative;
    width: 45vw;
    max-width: 1000px;
    height: 25vw;
    max-height:400px;
    text-align: left;
    background-size: auto 150%;
    background-repeat: no-repeat;
    background-position: center center;
    box-shadow: 0 0 15px #000,0 0 5px #222;
    float: left;
    z-index: 1;
    text-shadow: 0 0 5px #000;
    transition: all 0.5s;
}
.imgs:nth-child(2n) .img-area{
    float: right;
}
.imgs{
    padding: 1em;
    height: calc(25vw + 2em);
    max-height: calc(400px + 2em);
    width: 60vw;
    max-width: 1300px;
    margin:2em auto;
}

.visions{
    font-size: 400%;
    width: 50vw;
    display: inline-block;
    margin-left: 15vw;
    margin-top: 4vw;
}
.imgs:nth-child(2n) .visions{
    margin-left: -15vw;
}
.visions-exp{
    font-size: 200%;
    width: 50vw;
    display: inline-block;
    margin-left: 14vw;
    margin-top: 2vw;
    line-height:2em;
}
.imgs:nth-child(2n) .visions-exp{
    margin-left: -14vw;
}
.imgexp-hover-background{
    float: left;
    width: 100
}
.imgs:hover .img-area{
    background-blend-mode: darken;
    background-color: #0006;
    background-size: auto 160%;
}
.about-us-tsukuru{
    font-size: 20px;
    line-height: 2em;
    width:90%;
    max-width: 980px;
    margin: 0 auto;
    padding:2em 0;
}
.footer{
    background-color:#333;
}
.footer-main{
    height: 20vw;
    max-height:200px;
    background-color:#333;
    font-size: 1.5vh;
    padding-left:8vw;
}
.footr-child{
    display: block;
    float: left;
    margin: 0;
    padding:0;
    height: 100%;
}
.footer-logo-area{
    width:25%;
}
.footer-text-area{
    width: 40%;
}
.footer-sns-area{
    width: 34%;
}
.footer-logo-area > div{
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}
.footer-logo{
    display: block;
    margin:0  auto;
    width: 50%;
    max-width: 10rem;
}
.footer-text{
    width: 90%;
    padding: 5%;
    text-align: center;
    margin-top: min(15%,50px);
}
.footer-text a{
    color: #fff;
    text-decoration: underline 1px;
    padding: .2em;
}
@media (min-width: 721px){
    .footer-text a{
        padding: .8vw;
    }
}
.footer-sns{
    margin-top:min(21%,78px);
}
.footer-sns > a{
    display: inline-block;
    width: 22%;
    max-width: 3rem;
    filter: invert();
    margin-right: max(.2rem,5%);
}

.footer-sns img{
    width: 100%;
}

.footer-end{
    width: 100%;
    min-height: 20px;
    max-height: 75px;
    background-color:#2d2d2d;
    font-size: 1.5vh;
    padding-top:2vh;
    overscroll-behavior: contain;
}
.footer-end > div{
    text-align:center;
    width:100%;
}
.hover-line:hover{
    text-decoration:underline;
}
#footerDate{
    color: inherit;
}
.about-wrap h3{
    font-size: 3.5vh;
    line-height: 2em;
    padding-top:1em;
}
/*メニュー関連*/
.memuarea a{
    transition:opacity .1s;
}
.memuarea a:hover{
    opacity: 0.8;
}
.main-menu{
    z-index: 100;
    position: fixed;
    top:0;
    left:0;
    width: 100%;
    height:min(80px , 10vw);
    background-color: #0006;
    opacity: 1;
    transition: all 0.5s;
}
.main-menu ul{
    padding-top:.25em;
    padding-left: 5em;
    height:100%;
    width:fit-content;
}
.main-menu a{
    display: block;
    float: left;
    font-size:100%;
    width:fit-content;
    padding:0 .5em;
}
.main-menu li{
    text-align: center;
    text-decoration: none;
    list-style:none;
}
.logo{
    width:60px;
    transition: all 0.5s;
    margin: 15px 0 0 10px;
}
.main-menu.pagetop{
    opacity:0;
}
.main-menu a.menu-twitter img{
    display:none;
}
/*スマホメニュー*/
.humberger-menu-icon{
    display: block;
    width: 60px;
    height: 42px;
    position: fixed;
    top: 52px;
    left: 20px;
    -webkit-transform: translateY(-50%);
    transform: translateY(-50%);
}
.humberger-menu-icon div {
    position: relative;
    height: 100%;
}
.humberger-menu-icon div span{
    display: block;
    left: 0;
    background: #fff;
    position: absolute;
    width: 100%;
    -webkit-transition: all .4s;
    transition: all .4s;
    height: 2px;
}
.humberger-menu-icon div span:first-of-type {
    top: 0;
}
.humberger-menu-icon.menu-open div span:first-of-type {
    -webkit-transform: translateY(20px) rotate(-45deg);
    transform: translateY(20px) rotate(-45deg);
}
.humberger-menu-icon div span:nth-of-type(2) {
    top: 50%;
    -webkit-transform: translateY(-50%);
    transform: translateY(-50%);
    opacity: 1;
}
.humberger-menu-icon.menu-open div span:nth-of-type(2) {
    opacity: 0;
}
.humberger-menu-icon div span:last-of-type {
    bottom: 0;
}
.humberger-menu-icon.menu-open div span:last-of-type {
    -webkit-transform: translateY(-20px) rotate(45deg);
    transform: translateY(-20px) rotate(45deg);
}
.sp-menu{
    display:none;
    position:fixed;
    top:0;
    left:0;
    width:100%;
    height:100%;
    background-color: #000c;
    z-index: 110;
    transition: all .5s;
}
.sp-menu ul{
    margin-top: 15vh;
    width: 100%;
    opacity: 1;
    display:block;
    transition: all .4s;
}
.sp-menu ul a{
    display:block;
    width: 80%;
    margin: 0 auto;
}
.sp-menu ul a li{
    text-align: center;
    text-decoration: none;
    list-style:none;
    width:100%;
    margin: 0 auto;
}
.sp-menu ul a li span{
    font-size:min(6vw, 30px);
}
.sp-menu.hidden ul{
    opacity: 0;
    visibility: hidden;
    transition-delay:visibility 0.5s;
}
.sp-menu.hidden{
    background-color: #0000;
    height:100px;
    width: 100px;
}


@media (min-width:1950px){
    .gray-layer{
        width:1950px;
        margin: 0 auto;
    }
}
@media (min-width:1200px){
    .main-menu a.menu-twitter img{
        display:block;
        position: fixed;
        z-index: 101;
        top: 1em;
        right: 1em;
        filter: invert();
        height:1.2em;
    }
}
@media (max-width:720px){
    .about-row{
        width:calc(100% - .5em);
        height:calc(40vw - 1.5em);
    }
    .pagetop-mouse{
        visibility:hidden;
    }
    .pagetop-mouse::after{
        visibility:visible;
    }
    
    .main-menu{
        display:none !important;
    }
    .sp-menu{
        display:block;
    }
    .imgs{
        width: 100%;
        height:24em;
        padding: 1em 0;
    }
    .img-area{
        width:100%;
        height: 8em;
        background-size: cover;
        float:none;
        box-shadow:none;
        background-blend-mode: darken;
        background-color: #0004;
    }
    .visions-exp,.visions{
        width:100%;
        margin:1.5em 0 0 0 !important;
        line-height: 1.5em;
    }
    .visions{
        font-size: 5vw;
        text-align: center;
    }
    .visions-exp{
        font-size: 4vw;
        text-align: center;
        display: block;
        width: 85%;
        margin-right: auto !important;
        margin-left: auto !important;
        transform: translateY(1.5em);
    }
    .imgs:hover .img-area{
        background-color: #0004;
        background-size: cover;
    }
    .about-wrap.vision-area{
        padding-bottom: 3em;
        font-size:2.4vw !important;
    }

}
/*PCでは無効（改行しない）*/
.sma{
    display: none;
}

/*スマートフォンでは有効（改行する）*/
@media screen and (max-width:720px) {
    .sma{
        display: block;
    }
}

.paragraph{
    text-align: center;
    font-size: 2.2vh;
    margin: 1vh;
}
.paragraph a{
    color:#cbd;
    position: relative;
}
.paragraph a::after{
    content: "";
    width:.8em;
    height:.8em;
    position: absolute;
    top:calc(50% - .5em);
    right: -20px;
    background-size: contain;
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}