@charset "UTF-8";

/*-------------------------------------
    common.css（RICT）
-------------------------------------*/

@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;700&display=swap');

/* reset */

html, body, div, span, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
abbr, address, cite, code,
del, dfn, em, img, ins, kbd, q, samp,
small, strong, sub, sup, var,
b, i,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, figcaption, figure, 
footer, header, hgroup, menu, nav, section, summary,
time, mark, audio, video {
    margin:0;
    padding:0;
    border:0;
    outline:0;
    font-size:100%;
    vertical-align:baseline;
    background:transparent;
}
body {
    line-height:1;
}
article,aside,details,figcaption,figure,
footer,header,hgroup,menu,nav,section { 
    display:block;
}
ul,ol {
    list-style:none;
}
blockquote, q {
    quotes:none;
}
blockquote:before, blockquote:after,
q:before, q:after {
    content:'';
    content:none;
}
a {
    margin:0;
    padding:0;
    font-size:100%;
    vertical-align:baseline;
    background:transparent;
}
del {
    text-decoration: line-through;
}
abbr[title], dfn[title] {
    border-bottom:1px dotted;
    cursor:help;
}
table {
    border-collapse:collapse;
    border-spacing:0;
}
input, select {
    vertical-align:middle;
}

img {
    max-width: 100%;
}

/*--- common ---*/

body {
    font-family: 'Noto Sans JP', sans-serif;
    min-width: 1160px;
    color: #002649;
    line-height: 1.5;
    letter-spacing: 1px;
    overflow-x: hidden;
}
a {
    color: #002649;
    text-decoration: none;
    transition: .15s;
}
a:hover {
    color: #26bef7;
}

.wrap_wide {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 20px;
}
.wrap {
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 20px;
}

.bg_gray {
    background: #f3f3f4;
}


/*--- header ---*/

header {
    position: relative;
    min-width: 1240px;
    height: 100px;
    background: #fff;
    border-bottom: 1px solid #e8ecef;
}

#header_logo {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 99;
    width: 600px;
    padding: 2px 0;
    background: #fff;
}
#header_logo a {
    display: flex;
    align-items: center;
    color: #002649;
}
.header_mark {
    width: 112px;
    margin: 5px 16px 0 32px;
}
.header_name {
    margin-bottom: 0;
    font-size: 16px;
    font-weight: 500;
    line-height: 24px;
}

#header_menu {
    position: absolute;
    top: 0;
    right: 0;
    display: flex;
}
.header_link {
    width: 462px;
    z-index: 100;
}
.header_link ul {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100px;
    border-right: 1px solid #fff;
}
.header_link ul li a {
    display: block;
    padding: 12px 0;
    background: #fff;
    line-height: 0;
}
.header_link ul li a img {
    width: 87.5%;
}
    
.header_lang {
    display: flex;
    align-items: center;
    width: 160px;
    height: 100px;
    background: #00adee;
}
.header_lang p {
    width: 100%;
    color: #fff;
    font-size: 16px;
    letter-spacing: 2px;
    text-align: center;
}
.header_lang p a {
    margin: 0 5px;
    color: #fff;
}
.header_lang p a.active {
    font-weight: bold;
    pointer-events: none;
}

#navbtn {
    position: relative;
    display: block;
    width: 100px;
    height: 100px;
    background: #004ea2;
    cursor: pointer;
}
#navbtn span {
    position: absolute;
    top: 39px;
    left: 25px;
    display: block;
    width: 50px;
    height: 2px;
    background: #fff;
    transition: .15s;
}
#navbtn span:nth-of-type(2) {
    top: 50px;
}
#navbtn span:nth-of-type(3) {
    top: 61px;
}
#navbtn.open span {
    top: 49px;
    transform: rotate(45deg);
}
#navbtn.open span:nth-of-type(2) {
    display: none;
}
#navbtn.open span:nth-of-type(3) {
    top: 49px;
    transform: rotate(-45deg);
}


/*--- nav ---*/

nav {
    position: absolute;
    z-index: 99;
    top: 100px;
    right: -412px;
    transition: .8s;
}
nav.view {
    right: 0;
}
@media screen and (max-width: 1024px){
    nav {
        display: none;
    }
    nav.view {
        display: block;
    }
}
nav > ul {
    width: 412px;
    border-top: 2px solid #fff;
}
nav > ul > li {
    display: flex;
    flex-wrap: wrap;
    background: #e1edff;
    border-bottom: 2px solid #fff;
}
nav > ul > li > a {
    display: block;
    padding: 15px 42px 17px;
    width: calc(100% - 84px - 80px);
    font-size: 20px;
    font-weight: bold;
    line-height: 1.6;
    letter-spacing: 2px;
}
nav > ul > li > a.link {
    background-image: url("/brain/en/common/img/icon_link.png");
    background-repeat: no-repeat;
    background-size: 18px auto;
    background-position: top 24px left 124px;
}
nav > ul > li .nav_btn {
    position: relative;
    width: 80px;
    cursor: pointer;
}
nav > ul > li .nav_btn span {
    position: absolute;
    top: 50%;
    right: 25px;
    display: block;
    width: 30px;
    height: 2px;
    background: #00adee;
}
nav > ul > li .nav_btn span:last-child {
    transform: rotate(90deg);
}
nav > ul > li .nav_btn.more span:last-child {
    display: none;
}

nav ul li ul {
    width: 100%;
    display: none;
}
nav ul li ul li {
    border-top: 2px solid #fff;
}
nav ul li ul li a {
    display: block;
    padding: 15px 20px;
    padding-left: 80px;
    text-indent: -18px;
    background: #cadffd;
    font-size: 18px;
    font-weight: bold;
}


/*--- main ---*/

main a img {
    transition: .15s;
}
main a:hover img {
    opacity: .7;
}

a .arrow {
    position: relative;
    display: inline-block;
    padding-right: 40px;
    color: #00adee;
    font-size: 18px;
    font-weight: bold;
    transition: .15s;
}
a .arrow::before,
a .arrow::after {
    position: absolute;
    content: "";
    transition: .15s;
}
a .arrow::before {
    top: calc(50% + 1px);
    right: 3px;
    width: 18px;
    height: 2px;
    background: #00adee;
}
a .arrow::after {
    top: calc(50% - 3px);
    right: 3px;
    width: 8px;
    height: 8px;
    border-top: 2px solid #00adee;
    border-right: 2px solid #00adee;
    -webkit-transform: rotate(45deg);
    transform: rotate(45deg);
}
a:hover .arrow {
    color: #00defa;
}
a:hover .arrow::before {
    background: #00defa;
}
a:hover .arrow::after {
    border-color: #00defa;
}


/*--- footer ---*/

footer {
    background: #fff;
}
.footer_area {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 25px 0;
}
.footer_logo {
    width: 324px;
}
.footer_nav {
    width: 410px;
    display: flex;
    justify-content: space-between;
}
.footer_nav ul {
    width: 58%;
}
.footer_nav ul:nth-of-type(2) {
    width: 38%;
}
.footer_nav ul li {
    margin: 14px 0;
    font-size: 16px;
    font-weight: bold;
}
.footer_nav ul li a {
    display: block;
    padding: 2px 0;
}
.footer_nav ul li a.link {
    display: inline-block;
    padding-right: 30px;
    background: url("/brain/en/common/img/icon_link.png") no-repeat;
    background-size: 18px auto;
    background-position: center right;
}

.copyright {
    padding: 20px;
    background: #0c2f9e;
    color: #fff;
    font-size: 14px;
    text-align: center;
}


@media print {
    header,
    footer {
        display: none;
    }
}