@charset "utf-8";

/* PCとSPで共通のサイズはremで表記 */

body {
    min-width: 1280px;
}
.mainbody {
    max-width: 1140px;
    margin: 0 auto 8rem;
}
@media (max-width: 767px) {
    html {
        position: relative;
    }
    body {
        min-width: 0;
    }
    .mainbody {
        max-width: none;
        margin-right: 1.2rem;
        margin-left: 1.2rem;
    }
}

a img {
    transition: opacity 300ms; 
}
a:hover img {
    opacity: .7;
}
@media (max-width: 767px) {
    a:hover img {
        opacity: 1;
    }
}

.header {
    position: relative;
    max-width: 1240px;
    margin: 0 auto 18px;
}
@media (max-width: 767px) {
    .header {
        max-width: none;
        margin: 0;
    }
}

@media (min-width: 768px) {
    [data-menu-open="true"] .screen-cover,
    [data-search-open="true"] .screen-cover {
        display: none !important;
    }
}
@media (max-width: 767px) {
    [data-menu-open="true"] .screen-cover,
    [data-search-open="true"] .screen-cover {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        z-index: 9000;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, .75);
    }
}

.header__top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin: 18px 0 15px;
}
.header__top-logo img {
    width: 24.9rem;
    height: auto;
}
@media (max-width: 767px) {
    .header__top {
        display: block;
        margin: 0 0 3rem;
        padding: 1.4rem 1.4rem 0;
    }
}

@media (max-width: 767px) {
    .header__menu-switch {
        display: block;
        position: absolute;
        top: 1.4rem;
        right: 1.2rem;
        z-index: 10000;
        width: 5.5rem;
        height: 4.2rem;
        cursor: pointer;
    }
    [data-search-open="true"] .header__menu-switch {
        z-index: 0;
    }
    .header__menu-switch span {
        display: block;
        position: absolute;
        left: .8rem;
        width: 3.9rem;
        height: .6rem;
        background: #888787;
        border-radius: .3rem;
        transition: top 300ms, transform 300ms;
    }
    .header__menu-switch span:nth-child(1) {
        top: .5rem;
    }
    .header__menu-switch span:nth-child(2) {
        top: 1.8rem;
    }
    .header__menu-switch span:nth-child(3) {
        top: 3.1rem;
    }
    [data-menu-open="true"] .header__menu-switch span:nth-child(1) {
        top: 2.1rem;
        transform: rotate(45deg);
    }
    [data-menu-open="true"] .header__menu-switch span:nth-child(2) {
        display: none;
    }
    [data-menu-open="true"] .header__menu-switch span:nth-child(3) {
        top: 2.1rem;
        transform: rotate(-45deg);
    }
}

.header__important {
    padding: 10px 16px;
    background: #E9E9E9;
    line-height: 1.66666;
}
@media (max-width: 767px) {
    .header__important {
        padding: 1.2rem 2rem;
        margin: 0 1.4rem;
        font-size: 1.4rem;
    }
}

.header__sitename {
    width: 100%;
    height: 320px;
    margin: 8px 0 18px;
    padding: 149px 0 0 18px;
    background: url("../img/bg-sitename.png") no-repeat;
}
.header__sitename img {
    width: 430px;
    height: auto;
}
@media (max-width: 767px) {
    .header__sitename {
        width: auto;
        height: 27.8rem;
        margin: 0 1.2rem 1rem;
        padding: 2.2rem 0 20.9rem;
        background: url("../img/bg-sitename-sp.png") no-repeat 50% 100% / 100%;
        text-align: center;
    }
    .header__sitename img {
        width: 100%;
        height: auto;
    }
}

.header__nav {
    margin-top: 20px;
}
.header__nav-list {
    display: flex;
    align-items: stretch;
}
.header__nav-list-item {
    flex: 1 1 auto;
    display: flex;
    align-items: stretch;
    border-right: 1px solid #87C6D1;
    line-height: 1.22222;
    color: #707070;
    font-size: 1.8rem;
    letter-spacing: .1em;
}
.header__nav-list-item:first-child {
    border-left: 1px solid #87C6D1;
}
.header__nav-list-item > a {
    flex: 1 1 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-bottom: .1em;
    padding-left: .1em;
    color: currentColor;
    transition: color 300ms;
}
.header__nav-list-item > a:hover {
    color: #a0a0a0;
}
.header__nav-list-item > a[data-visited="true"] {
    background: #87C6D1;
    color: #FFF;
}
@media (min-width: 768px) {
    .header__nav {
        display: block !important;
    }
}
@media (max-width: 767px) {
    .header__nav {
        display: none;
        position: absolute;
        top: 0;
        right: 0;
        left: 0;
        z-index: 9999;
        margin: 0;
        padding: 0 0 7rem;
        background: #D2EBEF;
    }
    .header__nav-list {
        display: block;
        margin: 7.8rem 5.7rem 4.8rem;
    }
    .header__nav-list-item {
        display: block;
        border-right: 0;
        line-height: 1.6;
        color: #707070;
        font-size: 2rem;
        letter-spacing: .1em;
    }
    .header__nav-list-item:first-child {
        border-left: 0;
    }
    .header__nav-list-item:not(:last-child) {
        border-bottom: 1px solid rgba(112, 112, 112, .5);
    }
    .header__nav-list-item > a {
        display: block;
        margin: 0;
        padding: 1.6rem .8rem 1.4rem;
        color: #004BB1;
    }
    .header__nav-list-item > a[data-visited="true"] {
        background: transparent;
        color: #004BB1;
    }
    .header__nav-member {
        text-align: center;
    }
    .header__nav-member img {
        width: 36.4rem;
        height: auto;
    }
}

.header__topic-path {
    max-width: 1140px;
    margin: 3rem auto 4rem;
    color: #3B4043;
}
.header__topic-path ul {
    display: flex;
    flex-wrap: wrap;
}
.header__topic-path li:not(:first-child)::before {
    content: "＞　";
}
.header__topic-path li::after {
    content: "　";
}
.header__topic-path a {
    color: currentColor;
}
.header__topic-path a:hover {
    text-decoration: underline;
}
@media (max-width: 767px) {
    .header__topic-path {
        max-width: none;
        margin: 1rem 1.2rem 2rem;
        font-size: 1.4rem;
    }
}

.footer__nav {
    background: #E8F0FA;
}
.footer__nav-list-item {
    border-bottom: 1px solid #fff;
}
.footer__nav-list-item:last-child {
    border-bottom: 0;
}
.footer__nav-body {
    max-width: 1130px;
    margin: 0 auto;
    padding: 28px 0 16px;
    line-height: 1;
    color: #707070;
    font-size: 1.4rem;
    letter-spacing: .1em;
}
.footer__nav-body a {
    display: inline-block;
    margin-bottom: 12px;
    color: currentColor;
    font-weight: bold;
}
.footer__nav-body > a {
    font-weight: bold;
}
.footer__nav-list-sub {
    display: flex;
    flex-wrap: wrap;
}
.footer__nav-list-item-sub {
    flex: 1 1 auto;
    width: calc(100% / 3);
}
@media (max-width: 767px) {
    .footer__nav-body {
        max-width: none;
        margin: 0 1rem;
        padding: 1.5rem 0;
        line-height: 2;
    }
    .footer__nav-body a {
        display: inline-block;
        margin-bottom: 0;
        color: currentColor;
    }
    .footer__nav-body > a {
        font-weight: bold;
    }
    .footer__nav-list-sub {
        display: block;
    }
    .footer__nav-list-item-sub {
        width: auto;
    }
}

.footer__under {
    padding: 15px 0 20px;
    line-height: 2;
    color: #3B4043;
    font-size: 1.8rem;
}
.footer__under-list {
    display: flex;
    justify-content: center;
}
.footer__under-list-item:not(:last-child)::after {
    content: "｜";
}
.footer__under-list-item a {
    color: currentColor;
}
.footer__under-list-item a:hover {
    text-decoration: underline;
}
.footer__copyright {
    display: block;
    text-align: center;
}
@media (max-width: 767px) {
    .footer__under {
        padding: 1.8rem 0;
        line-height: 2.8rem;
        font-size: 1.4rem;
    }
    .footer__copyright {
        font-size: 1.2rem;
    }
}
/****  20220314追加  ****/
/*#ptop_btn {
    position: fixed;
    right: -23px;
    bottom: 24px;
    transform: rotate(90deg);
    font-size: 1.2rem;
    line-height: 1.2rem;
    background-color: rgba(0,75,177,0.7);
    color: #FFF;
    padding: 10px;
    box-shadow: 0 2px 10px -6px rgba(0,0,0,.5), 0 3px 10px -4px rgba(0,0,0,.2);
}
*/
.btn-window {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 9999;
    width: 87.6vw;
    padding: 0;
    border: 0;
}
#ptop_btn {
    display: block;
    position: fixed;
    top: 40rem;
    width: 4rem;
    padding: 2.4rem 1.8rem 2.4rem .6rem;
    background-color: rgba(0,75,177,0.7);
    line-break: normal;
    border-radius: 0 .7rem .7rem 0;
    line-height: 1.1;
    color: #FFF;
    font-weight: 700;
    font-size: 1.6rem;
    cursor: pointer;
    z-index: 9999;
}
@media (max-width: 767px) {
    .btn-window {
        position: absolute;
        top: 0;
        left: -87.6vw;
        z-index: 9999;
        width: 87.6vw;
        padding: 0;
        border: 0;
    }
    #ptop_btn {
        display: block;
        position: absolute;
        right: -4rem;
        top: 40rem;
        width: 4rem;
        padding: 2.4rem 1.8rem 2.4rem .6rem;
        background-color: rgba(0,75,177,0.7) ;
        line-break: normal;
        border-radius: 0 .7rem .7rem 0;
        line-height: 1.1;
        color: #FFF;
        font-weight: 700;
        font-size: 1.6rem;
        cursor: pointer;
        z-index: 9999;
    }
}
/****　追加終 ****/
@media (min-width: 768px) {
    .sp-only,
    [data-visible="sp"] {
        display: none !important;
    }
}
@media (max-width: 767px) {
    .pc-only,
    [data-visible="pc"] {
        display: none !important;
    }
}

span.textIndent {
    padding-left: 1em;
    display: block;
    margin-bottom: -1em;
}