@charset "utf-8";
*{
    margin: 0px;
    padding: 0px;
}
h1,h2,h3{
    font-size: 100%;
    font-weight: 600;
}
img{
    border-style: none; /* ie */
}
a{
    text-decoration: none;
    color: #2c244c;
}
body{
    width: 100%;
    background-color: #f4f4fc;
    font-family: Noto Sans JP, "游ゴシック体", YuGothic, "游ゴシック", "Yu Gothic", Meiryo, sans-serif;
    font-family: Noto Serif JP, "游明朝体", "Yu Mincho", YuMincho, Meiryo, sans-serif;
    font-weight: 600;
}
.conteiner{
    min-height: calc(100vh - 40px);
    position: relative;
    border-bottom: solid 40px #2c244c;
}
header{
    width: 100%;
    background-image: url("./img/bg.png");
    background-position: left top;
}
header a img:hover,a .text-top:hover{
    opacity: 0.5;
    transition: 0.3s;
}
.logo-yu{
    margin: 35px 0 0 50px;
    width: 4.947%;
}
.logo-eng{
    margin-left: 10px;
    width: 11.718%;
}
.logo-site{
    margin: 1% 0 35px 50px;
    width: 15.104%;
}
.logo-movie{
    position: absolute;
    z-index: 1;
    top: 90px;
    left: 32%;
    width: 33%;
}
.logo-web{
    position: absolute;
    z-index: 1;
    top: 14px;
    right: 50px;
    width: 18.229%;
}
.light-center{
    position: absolute;
    top: 20px;
    right: 28%;
    width: 6.25%;
}
.light-wide{
    position: absolute;
    top: 0;
    right: 0;
    width: 16%;
}
.text-top{
    display: inline-block;
    margin: 24px 0px 0 2%;
    width: 50%;
}
.text-research{
    display: block;
    margin: 0 70% 0 -4%;
    width: 15%;
    line-height: 0;
}
.text-research img{
    width: 100%;
}
main{
    position: relative;
    margin-bottom: 10px;
}
.light-right{
    position: absolute;
    top: -15px;
    right: 3%;
    width: 10%;
}
.main-row{
    display: flex;
}
.main-row-left{
    width: 19%;
    text-align: center;
}
.main-row-right{
    width: 70%;
}
.text-teacher{
    margin: 50px 25% 20px 25%;
    max-width: 50%;
}
.thumb-img{
    position: relative;
    width: 60%;
    display: inline-block;
}
.main-row-col .thumb-img{
    margin-right: 40%;
}
.thumb-img img{
    max-width: 100%;
    border-radius: 30px;
}
.thumb-img .light-left{
    position: absolute;
    top: -18%;
    left: -16%;
    width: 33%;
}
.thumb-img::after{
    content: "";
    background-image: url("./img/thumb_start.png");
	background-size: contain;
    background-repeat: no-repeat;
    position: absolute;
    width: 28%;
    height: 28%;
    top: 34%;
    left: 42%;
}
.main-row a:hover > .thumb-img img{
    filter: brightness(50%);
    transition: 0.3s;
}
.main-row a:hover > .thumb-img img.light-left{
    filter: none;
    transition: none;
}
@media all and (-ms-high-contrast: none) {
    .main-row a{
        transition: 0.3s;
    }
    .main-row a:hover{
        opacity: 0.8;
    }
}
.thumb-title{
    font-size: 1.5vw;
    display: inline-block;
}
.main-row-right{
    display: flex;
    flex-wrap: wrap;
    margin-left: 4%;
}
.main-row-col{
    width: 32%;
    margin: 20px 0 10px 0;
}
.main-row-left .thumb-title{
    font-weight: 700;
}
.main-row-col .thumb-title{
    font-size: 1.1vw;
    line-height: 110%;
    margin-left: 3%;
}
.main-row-col .thumb-title .thumb-title-small{
    font-size: 0.9vw;
}
footer{
    position: absolute;
    bottom: 0px;
    width: 100%;
}
.logo-online{
    position: absolute;
    bottom: 10px;
    left: 3%;
    width: 6%;
}
.bg-illust-smp{
    position: absolute;
    z-index: -1;
    bottom: -20px;
    right: 0;
    width: 50%;
    opacity: 0.5;
}
/* 16:9 1366×768(ノートPC用) */
@media (max-height:768px){
    .logo-yu{
        margin-top: 10px;
        width: 4%;
    }
    .logo-eng{
        margin-left: 10px;
        width: 10%;
    }
    .logo-site{
        margin-top: 10px;
        margin-bottom: 15px;
        width: 13%;
    }
    .logo-movie{
        top: 50px;
    }
    .logo-web{
        top: 3px;
        width: 14%;
    }

}
/* 1024 (スマホ用) */
.smp{
    display: none;
}
@media (max-width:1024px){
    .pc{
        display: none;
    }
    .smp{
        display: inline;
    }
    .conteiner{
        min-height: calc(100vh - 60px);
        border-bottom: solid 60px #2c244c;
    }
    header {
        background-image: url("./img/bg.png");
        background-position: left top;
        background-size: 100% 100%;
        border-top: solid 30px #2c244c;
        min-height: 50vw;
        position: relative;
        overflow: hidden;
    }
    .logo-yu{
        margin: 3% 0 0 4%;
        width: 12%
    }
    .logo-eng{
        width: 30%;
    }
    .logo-movie {
        top: 48%;
        left: 20%;
        width: 60%;
    }
    .logo-web {
        top: 2%;
        right: 3%;
        width: 24%;
    }
    header .light-left {
        width: 10%;
        margin: 8% 0 0 3%;
    }
    .light-wide {
        width: 32%;
    }
    .light-center {
        width: 14%;
        top: -10px;
    }
    .conteiner{
        background-image: url("./img/bg_middle.png");
        background-position: top 40vw left 0;
        background-size: contain;
    }
    .main-row {
        display: block;
    }
    .main-row-left{
        margin: 0 auto;
        width: 85%;
    }
    .main-row-left .thumb-img{
        margin: 0 20%;
    }
    .thumb-title {
        font-size: 4vw;
    }
    .main-row-right{
        margin: 0 auto;
        width: 80%;
    }
    .main-row-col {
        width: 100%;
        margin-top: 28px;
        margin-bottom: 5%;
    }
    .text-teacher,.text-research{
        margin: 0 auto;
        margin-top: 8%;
        margin-bottom: 6%;
        max-width: 66%;
        width: auto;
        object-fit: contain;
    }
    .main-row-col .thumb-img {
        margin-right: auto;
    }
    .main-row-right .thumb-img {
        width: 50%;
    }
    .main-row-col .thumb-title {
        max-width: 42%;
        width: 100%;
        margin: 0 0 14% 5%;
        font-size: 3.5vw;
        vertical-align: bottom;
    }
    .main-row-col .row2{
        margin-bottom: 11%;
    }
    .main-row-col .row3{
        margin-bottom: 8%;
    }
    .main-row-col .row4{
        margin-bottom: 5%;
    }
    .main-row-col .thumb-title .thumb-title-small {
        font-size: 3vw;
        margin-left: 5%;
    }
    footer {
        position: static;
        overflow: hidden;
        margin-top: 10%;
    }
    .bg-illust-smp {
        position: static;
        margin: 0 0 -30px 10%;
        width: 80%;
        opacity: 0.9;
    }
}
@media (max-width:768px){
    .thumb-img img {
        border-radius: 15px;
    }
}
/* js用 */
.lity-wrap::after{
    content: "◀ 研究紹介に戻る";
    color: #fff;
    cursor: pointer;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 9994;
    color: #000;
    font-size: 20px;
    line-height: 20px;
    padding: 16px 24px;
    text-shadow: 0 1px 2px rgba(255, 255, 255, 0.6);
    background-color: rgba(255, 255, 255, 1);
}
.lity-close{
    background-color: rgba(0, 0, 0, 0.6)!important;
}