@charset "utf-8";

*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
html{
    font-size: 62.5%; /* 16px * 62.5% = 10px */
}
body {
    font-family: "Noto Serif JP", serif;
    font-weight: 400;
    font-style: normal;
    font-size: 1.6rem;
    font-size: 1.8rem;
    color: #4C4948;
}
h1{
    font-size: 4.2rem;
    padding-bottom: 8px;
}
h2.catchcopy{
    font-size: 3.0rem;
    line-height: 44px;
}
h3.section_title{
    margin-bottom: 30px;
    font-size: 2.4rem;
    color: #757FBC;
}
a{
    color: #4C4948;
}
hr{
    border-color: #757FBC;
    margin: 86px auto;
}
@media screen and (max-width: 768px) {
    body{
        font-size: 1.6rem;
    }
}
@media screen and (max-width: 500px) {
    hr{
        margin: 56px auto;
    }
}

/*-------------------------------------------
ヘッダー
-------------------------------------------*/
#header.header_flex{
    width: 100%;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: space-around;
    background-color: #FAF7FC;
}
#header.header_flex .header_logo{
    text-align: center;
    padding-left: 24px;
}
.header_nav{
    width: 38%;
}
.header_nav .ul_flex{
    display: flex;
    justify-content: space-between;
}
.header_nav .ul_flex li{
    font-size: 2.2rem;
}
.header_nav .ul_flex li a{
    transition: 0.4s;
}
.header_nav .ul_flex li a:hover{
    opacity: 0.6;
}

/*-------------------------------------------
ハンバーガーメニュー
-------------------------------------------*/
@media screen and (max-width: 768px) {
    #header .header_nav{
        display: none;
    }
    #header .header_nav.open{
        position: fixed;
        top: 0;
        display: block;
        width: 100vw;
        height: 100vh;
        background-color: rgba(234,224,227,0.8);
        background-color: #FAF7FC;
        z-index: 10;
    }
    #header .header_nav ul{
        width: 100%;
        height: 80%;
        padding-top: 100px;
        display: flex;
        flex-direction: column;
        text-align: center;
    }
    #header .header_nav ul li{
        width: 100%;
        height: 100%;
    }
    .btn{
        position: fixed;
        background:#FAF7FC;
        cursor: pointer;
        width: 80px;
        height: 50px;
        border-radius: 5px;
        top: 0;
        right: 0;
        z-index: 20;
    }
    /*ボタン内側*/
    .btn span{
        display: inline-block;
        transition: all .4s;
        position: absolute;
        /* left: 14px; */
        left: 50%;
        transform: translateX(-50%);
        height: 2px;
        border-radius: 5px;
        background: #4C4948;
        /* width: 45%; */
        width: 60%;
    }
    .btn span:nth-of-type(1) {
        top:13px; 
    }
    .btn span:nth-of-type(2) {
        top:19px;
    }
    .btn span:nth-of-type(3) {
        top:25px;
    }
    .btn span:nth-of-type(3)::after {
        content:"Menu";/*3つ目の要素のafterにMenu表示を指定*/
        position: absolute;
        top: 5px;
        left: 50%;
        transform: translateX(-50%);
        color: #4C4948;
        font-size: 1.45rem;
        text-transform: uppercase;
        }
    /*activeクラスが付与されると線が回転して×になり、Menu⇒Closeに変更*/
    .btn.active span:nth-of-type(1) {
        top: 14px;
        left: 50%;
        transform: translateX(-50%) translateY(6px) rotate(-45deg);
        width: 30%;
    }
    .btn.active span:nth-of-type(2) {
        opacity: 0;
    }
    .btn.active span:nth-of-type(3){
        top: 26px;
        left: 50%;
        transform: translateX(-50%) translateY(-6px) rotate(45deg);
        width: 30%;
    }
    .btn.active span:nth-of-type(3)::after {
        content:"Close";/*3つ目の要素のafterにClose表示を指定*/
        top:10px;
        left:4px;
        transform: translateY(0) rotate(-45deg);
    }
}

/*-------------------------------------------
メイン
-------------------------------------------*/
.bg_area{
    max-width: 100%;
    height: auto;
}
.firstview{
    background-image: url(../img/bg_img.jpg);
    background-repeat: no-repeat;
    background-size: cover;
    background-repeat: repeat;
    background-size: contain;
    background-position: top center;
}
.catchcopy_area{
    max-width: 1000px;
    height: auto;
    margin: 0 auto;
}
.catchcopy{
    text-align: center;
    padding-top: 100px;
}
.text{
    line-height: 3rem;
    padding: 58px 0 110px;
}

.wrapper{
    max-width: 1000px;
    margin: 0 auto 112px;
}
@media screen and (max-width: 768px){
    .text{
        padding: 58px 20px 106px;
    }
    .wrapper{
        margin: 0 auto;
    }
}

/*--------------------------
お知らせ
--------------------------*/
.hr_1{
    margin-top: 10px;
}
#news .news_area{
    max-width: 1000px;
    display: flex;
    align-items: center;
}
#news .news_area .section_title{
    margin-bottom: 0;
    padding-right: 140px;
    padding-left: 70px;
}
#news .news_area .date_text{
    display: flex;
    background-color: #fff;
}
#news .news_area .date_text p{
    padding: 20px;
}
#news .news_area .date_text .date{
    padding-right: 56px;
}
#news .news_area .date_text a{
    transition: 0.4s;
}
#news .news_area .date_text a:hover{
    opacity: 0.6;
}
@media screen and (max-width: 768px){
    #news .news_area{
        flex-direction: column;
    }
    #news .news_area .section_title{
        padding: 0 0 20px;
    }
}
@media screen and (max-width: 500px) {
    #news .news_area .date_text{
        flex-direction: column;
    }
}

/*--------------------------
主な自主事業
--------------------------*/
.bg_img{
    background-image: url(../img/bg_img.jpg);
    background-repeat: repeat;
    background-size: contain;
    background-position: top center;
}
.mb_0{
    margin-bottom: 0;
    padding-bottom: 52px;
}
.center{
    text-align: center;
    /* position: relative; */
}
.concert{
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    /* position: relative; */
}
.concert li{
    width: 50%;
    padding: 30px 70px;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}
.concert li img{
    margin-bottom: 22px;
}
.concert .concert_title{
    font-weight: bold;
}
.concert li .details{
    line-height: 3rem;
    padding-top: 18px;
}
.concert li .lh{
    line-height: 1.6;
}

@media screen and (max-width: 768px){
    .concert{
        flex-direction: column;
        align-items: center;
    }
    .concert li{
        width: 60%;
        padding: 0 0 30px 0;
    }
    .concert li img{
        max-width: 360px;
    }
    .center::before{
        top: -60px;
    }
}
@media screen and (max-width: 500px){
    .concert li img{
        max-width: 300px;
    }
}

/*-------------------------------------------
フッター
-------------------------------------------*/
.footer{
    background-color: #FAF7FC;
}
.footer_flex{
    display: flex;
    justify-content: center;
    padding-top: 82px;
    padding: 82px 40px 0;
}
#link {
    width: 50vw;
    margin-left: 20px;
}
#link .list-mark {
    list-style-type: none;
}
#link .list-mark li {
    display: flex;
    align-items: center;
    gap: 0 10px;
    position: relative;
    padding: .3em .3em .3em 1.8em;
}
#link .list-mark li::before,
#link .list-mark li::after {
    position: absolute;
    content: '';
    transition: 0.5s;
}
#link .list-mark li::before {
    left: 0;
    width: 1.2em;
    height: 1.2em;
    border-radius: 50%;
    background-color: #707070;
}
#link .list-mark li::after {
    left: .6em;
    transform: translateX(-75%) rotate(-45deg);
    width: .3em;
    height: .3em;
    border-bottom: 2px solid #fff;
    border-right: 2px solid #fff;
}
#link .list-mark li:hover::before,
#link .list-mark li:hover::after {
    transform: translateX(10px);
    transition: 0.5s;
    /* 擬似要素にホバーするときは::before,::afterの直前にhoverを記述 */
}
#link .list-mark li a{
    color: #4C4948;
    transition: 0.5s;
    line-height: 1.4;
}
#link .list-mark li a:hover{
    opacity: 0.6;
}
#infomation{
    padding-right: 46px;
    padding-left: 18%;
}
#infomation .info_box p,
#link .list-mark li{
    line-height: 3rem;
    font-size: 1.8rem;
}
#infomation .info_box .font_big{
    font-size: 2.4rem;
    line-height: 4rem;
}
.footer .copyright{
    text-align: center;
    padding-top: 82px;
    padding-bottom: 62px;
}
@media screen and (max-width: 768px){
    .footer_flex{
        flex-direction: column;
        align-items: center;
    }
    #infomation{
        padding-left: 46px;
        padding: 0;
    }
    #link {
        width: 80vw;
        max-width: 378px;
        margin-left: 0 !important;
        margin-top: 30px;
    }
}


/*--------------------------
お知らせ（追記用）
--------------------------*/
#news .news_area{
    max-width: 1000px;
    display: flex;
    align-items: start;
}
#news .news_area .section_title{
    margin-bottom: 0;
    padding-right: 140px;
    padding-left: 70px;
}
#news .news_area .date_text{
    display: flex;
    background-color: #fff;
}
#news .news_area .date_text p{
    padding: 20px;
}
#news .news_area .date_text .date{
    padding-right: 56px;
}
#news .news_area .date_text a{
    transition: 0.4s;
}
#news .news_area .date_text a:hover{
    opacity: 0.6;
}

.news-outer iframe {
    height: 3em;
    /* height: 20rem; 5件表示ならこの高さ */
}

.news_btn {
    text-align: left;
    margin: 40px 8px 0;
}

.news_btn a {
    color: #757FBC;
}

.news_btn a:hover {
    opacity: 0.7;
}


@media screen and (max-width: 768px){
    #news .news_area{
        flex-direction: column;
        align-items: center;
    }
    #news .news_area .section_title{
        padding: 0 0 20px;
    }
    .news-outer iframe {
        height: 6em;
        /* height: 10rem; 5件表示ならこの高さ */
    }
}

@media screen and (max-width: 500px) {
    #news .news_area .date_text{
        flex-direction: column;
    }
}