@charset "UTF-8";

html {
    font-size: 62.5%;
}
*, *::before, *::after {
    box-sizing: border-box;
}

body {
    background: #151515 url('../images/background3.jpg') no-repeat fixed center bottom;
    background-size: cover;
    color: #ffffff;
    text-align: center;
    font-size: 1.6rem;
    font-family: Raleway, "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
}

footer {
    background: #151515;
}
.link-container {
    overflow: hidden;
    margin: 50px auto 0;
    display: flex;
    justify-content: center;
}
.footer-item {
    margin: 10px 40px;
}
.copyright-text {
    margin-bottom: 0;
    padding-bottom: 16px;
}

.header {
    padding: 170px 30px 40px;
}
.site-title-sub-sub {
    margin: 0 0 40px;
    letter-spacing: 0.7px;
    font-size: 1.7rem;
}
.site-title-sub {
    margin: 0 0 30px;
    letter-spacing: 1px;
    font-size: 2.0rem;
}
.site-title-sub::before, .site-title-sub::after {
    content: '';
    display: inline-block;
    width: 140px;
    height: 2px;
    margin: 0 20px;
    background-color: #fff;
    vertical-align: middle;
}
.site-title {
    margin: 50px 0 40px;
    font-size: 8.0rem;
}
.button {
    display: inline-block;
    width: 140px;
    padding: 20px;
    border-radius: 40px;
    background-color: #fff;
    color: #fff;
    text-decoration: none;
    letter-spacing: 1px;
    font-size: 1.9rem;
}
.button::hover {
    opacity: 0.9;
}
.button-news {
    background-color: #260980;
}
.button-member {
    background-color: #283996;
}
.button-publication {
    background-color: #04DEAD;
}
.button-research {
    background-color: #3AA3C1;
}
.buttons .button {
    margin: 10px;
}

.heading {
    padding: 100px 12px 10px 12px;
    letter-spacing: 1px;
    font-size: 2.3rem;
}
.scroll-list {
    max-height: 700px;
    overflow-y: auto;
    margin-bottom: 30px;
    margin-inline-end: 40px;
    list-style-type: none;
}
.scroll-list .scroll-item p {
    display: block;
    padding: 5px 190px;
    text-align: left;
}
.scroll-list .date{
    display: inline-block;
    letter-spacing: 1px;
    font-weight: bold;
    font-size: 1.7rem;
}
.scroll-list .news-item {
    display: inline-block;
    padding-left: 15px;
    font-size: 1.7rem;
}
.year-line {
    margin: 0 170px;
}
.news-item p {
    text-align: left;
}

.member .position {
    margin-bottom: 7px;
}
.person {
    margin: 10px;
}

.research, .research ul {
    list-style-type: none;
}
.research-list {
    text-align: left;
    padding: 5px 190px;
}
.research-list > li ul > li {
    margin-bottom: 10px;
    list-style-type: disc;
}
.research-list .research-item {
    margin-bottom: 50px;
}
a, a:visited {
    color: #fff;
}

.links, .links ul{
    list-style: none;
    padding: 0;
}
.link-list li {
    margin-bottom: 20px;
}

.member {
    display: none;
}
.research {
    display: none;
}