@charset "UTF-8";
/*==========================
common
==========================*/
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

ul{
    list-style: none;
}

html{
    /* font-size: 100%; = 約16px */
    /* font-size: 62.5%; = 約10px */
    font-size: 62.5%;
}

body {
    background-color: #f6f6f6;
    color: #060309;
    width: 100%;
}

img {
    max-width: 100%;
    height: auto;
}

a{
    text-decoration: none;
}

/*==========================
ミニロード画面
==========================*/

#splash {
/*fixedで全面に固定*/
    position: fixed;
    width: 100%;
    height: 100%;
    z-index: 999;
    background:#f6f6f6;
    text-align:center;
    color: #060309;
}

/*==========================
.siteHeader
==========================*/
.siteHeader{
    background-color: #f6f6f6;
    width: 100%;
    position: fixed;
    z-index: 100;
    padding: 20px;
}

.siteHeader .inner{
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header_title{
    text-decoration: none;
    margin-left: 18px;
}

h1{
    color: #060309;
    font-size: 2.8rem;
    font-family: Helvetica, sans-serif, Arial;
    letter-spacing: 0.05em;
}

.globalNav__list{
    display: flex;
}

.globalNav__item{
    margin-right: 24px;
}

.globalNav__item a{
    font-size: 1.6rem;
    font-weight: bold;
    text-decoration: none;
    color: #060309;
    font-family: Helvetica, sans-serif, Arial;
    transition: all .2s;
    margin-left: 24px;
}

.globalNav__item a:hover{
    color: #b9b9b9;
}

@media screen and (max-width: 768px) {
    .siteHeader {
        padding: 8px 4%;
    }
}

/*==========================
hamburger
==========================*/
.hamburger{
    position: relative;
    cursor: pointer;
    width: 50px;
    height: 50px;
    border-radius: 5px;
    display: none;
}

@media screen and (max-width: 768px) {
    .hamburger {
        display: block;
    }
}

.bye{
    opacity: 0;
}

.hamburger .hamburger_area{
    transition: all .6s;
    width: 50px;
    height: 50px;
}

.hamburger span{
    display: inline-block;
    transition: all .4s;
    position: absolute;
    left: 14px;
    height: 3px;
    /* border-radius: 2px; */
    background-color: #060309;
    width:45%;
}

.hamburger span:nth-last-of-type(1){
    top: 15px;
}

.hamburger span:nth-last-of-type(2){
    top: 23px;
}

.hamburger span:nth-last-of-type(3){
    top: 31px;
}

/*activeクラスが付与されると .openbtn-areaが360度回転し、その中の線が回転して×に*/
.hamburger.active .hamburger_area{
    transform: rotate(360deg);
}

.hamburger.active span:nth-of-type(1){
    top: 18px;
    left: 18px;
    transform: translateY(6px) rotate(-45deg);
    width: 40%;
}

.hamburger.active span:nth-of-type(2){
    opacity: 0;
}

.hamburger.active span:nth-of-type(3){
    top: 30px;
    left: 18px;
    transform: translateY(-6px) rotate(45deg);
    width: 40%;
}


/*==========================
Modal_window
==========================*/
@media screen and (max-width: 768px) {

    .globalNav{
        display: none;
    }

    .globalNav.active {
        display: block;
        position: fixed;
        width: 100%;
        height:100vh;
        left: 50%;
        top: 61px;
        transform: translateX(-50%);
        background-color: #f6f6f6;
        z-index: 99;
    }

    .globalNav__list {
        display: block;
        width: 80%;
        margin: 0 auto;
        text-align: center;
    }

    .globalNav__item {
        margin: 48px 0;
    }

    .globalNav__list a {
        font-size: 2.4rem;
    }

    .globalNav__item a{
        margin-left: 0px;
    }

    h1{
        color: #060309;
        font-size: 1.9rem;
        font-family: Helvetica, sans-serif, Arial;
        letter-spacing: 0.05em;
    }

    .header_title{
        margin-left: 8px;
    }

}

/*==========================
.articleHeader
==========================*/

.articleHeader{
    margin-left: 6vw;
    margin-right: 6vw;
    padding-bottom: 6vw;
}

.articleHeader_main{
    padding-top: 150px;
    text-align: center;
}

.articleHeader_main h2{
    font-size: 6.2rem;
    font-family: Helvetica, sans-serif, Arial;
    letter-spacing: 0.13em;
}

.articleHeader_main p{
    padding-top: 10px;
    font-size: 2.4rem;
    font-family: 'Noto Sans JP', sans-serif;
    font-weight: 600;
    letter-spacing: 0.075em;
    font-family: sans-serif;
}

.articleHeader h3{
    padding-top: 3vw;
    text-align: center;
    /* font-size: 4rem; */
    font-size: 3.6rem;
    font-family: 'Noto Sans JP', sans-serif;
    letter-spacing: 0.1em;
    font-weight: 650;
}

.activity_list{
    display: grid;
    grid-template-columns: repeat(4,minmax(0,1fr));
    gap: 3vw;
    margin-top: 1.5vw;
}

.activity_list_item a{
    text-decoration: none;
    display: block;
    height: 311px;
    height: 19.75vw;
    border-radius: 20px;
    transition: all .3s;
}

.activity_list_item p{
    text-align: center;
    position: relative;
    transform: translateY(-50%);
    top: 50%;
    font-weight: bold;
    color: #f6f6f6;
    font-size: 3rem;
    font-family: 'Noto Sans JP', sans-serif;
    letter-spacing: 0.075em;
}

.activity_item1{
    background-image: url(../img/activity_bukai.jpg);
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center center;
    filter: opacity(95%);
    background-size: 580px;
}

.activity_item2{
    background-image: url(../img/activities_sastueikai.jpg);
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center center;
    filter: opacity(95%);
    background-size: 580px;
}
.activity_item3{
    background-image: url(../img/activity_gakugaitenn.jpg);
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center center;
    filter: opacity(95%);
    background-size: 580px;
}
.activity_item4{
    background-image: url(../img/activity_gassyuku.jpg);
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center center;
    filter: opacity(95%);
    background-size: 580px;
}

.activity_list_item a:hover{
    filter: opacity(75%);
    background-size: 630px;
}

@media screen and (max-width: 1024px) {

    .articleHeader_main p{
        font-weight: 600;
        font-size: 1.5rem;
        line-height: 1.9em;
        letter-spacing: 0.07em;
        font-family: sans-serif;
    }

    .activity_list_item a{
        height: 220px;
    }

    .activity_list_item p{
        font-size: 2.2rem;
    }

}/* 1024px */

@media screen and (max-width: 768px) {

    .articleHeader{
        margin-left: 4%;
        margin-right: 4%;
        padding-bottom: 50px;
        height: auto;
    }

    .articleHeader_main{
        padding-top: 100px;
    }

    .articleHeader_main h2{
        font-size: 4.5rem;
        letter-spacing: 0.08em;
    }
    
    .articleHeader h3{
        padding-top: 30px;
        font-size: 2.4rem;
        letter-spacing: 0.075em;
        font-weight: 600;
        font-family: sans-serif;
    }

    .articleHeader_main p{
        padding-top: 10px;
        font-size: 1.6rem;
        letter-spacing: 0.075em;
        font-weight: 600;
        font-family: sans-serif;
    }

    .activity_list{
        display: grid; 
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
        margin-top: 20px;
    }

    .activity_list_item{
        width: 100%;
    }

    .activity_list_item a{
        text-decoration: none;
        display: block;
        height: 200px;
        margin-right: 0px;
        margin-left: 0px;
        border-radius: 20px;
        transition: all .3s;
    }

    .activity_list_item p{
        font-family: sans-serif;
        font-weight: 700;
    }

}/* 768px */

/*==========================
活動内容_共通
==========================*/

.fadeInBottom {
    transform: translate3d(0, 50px, 0);
    transition: 1s;
    opacity: 0;
}

.fadeInBottom.animated {
    transform: translate3d(0, 0, 0);
    opacity: 1;
}

.imageBox{
    width: 50%;
    height: auto;
}

.caption__main{
    width: 50%;
    padding-top: 20px;
}

.caption__main_right{
    padding-left: 6%;
    padding-right: 6%;
}

.caption__main_left{
    padding-left: 6%;
    padding-right: 6%;
}

.flex, .flex_r{
    display: flex;
    justify-content: space-between;
}

/* .ac_top{
    padding-top: 80px;
} */

.ac_bottom{
    margin-bottom: 100px;
}

body h4{
    font-size: 3.6rem;
    letter-spacing: 0.1em;
    font-family: 'Noto Sans JP', sans-serif;
}

body h5{
    font-family: 'Noto Sans JP', sans-serif;
    letter-spacing: 0.075em;
    font-size: 2.2rem;
    padding-top: 30px;
}

.common_desc{
    padding-top: 32px;
}

.common_desc p{
    font-family: 'Noto Sans JP', sans-serif;
    letter-spacing: 0.075em;
    font-size: 1.8rem;
    font-weight: bold;
}

.common_desc_more{
    padding-top: 20px;
}

.common_desc_more p{
    font-size: 1.6rem;
    font-family: 'Noto Sans JP', sans-serif;
    letter-spacing: 0.075em;
    font-weight: bold;
    line-height: 1.5;
    word-wrap: break-word;
    padding-top: 10px;
}

@media screen and (max-width: 1024px) {

    .flex, .flex_r{
        margin-bottom: 140px;
    }


    body h4{
        font-size: 2.6rem;
        letter-spacing: 0.1em;
        font-weight: 700;
        font-family: sans-serif;
    }

    body h5{
        letter-spacing: 0.075em;
        font-size: 1.8rem;
        font-weight: 650;
        font-family: sans-serif;
    }
    
    .caption__main p{
        line-height: 20px;
        font-size: 1.5rem;
        font-weight: 600;
        font-family: sans-serif;
    }

    .common_desc_more_p{
        padding-top: 5px;
    }


}/* 1024px */

@media screen and (max-width: 768px) {

    /* .ac_top{
        padding-top: 50px;
    } */

    .flex {
        margin-bottom: 80px;
        flex-direction: column;
    }

    .flex_r{
        margin-top: 0px;
        margin-bottom: 80px;
        flex-direction: column-reverse;
    }

    .imageBox{
        width: 100%;
        height: auto;
    }

    .caption__main{
        width: 100%;
    }

}/* /768px */

/*==========================
.sitefooter
==========================*/

.siteFooter{
    background-color: #dedede;
    width: 100%;
    height: 220px;
    position: relative;
    margin-top: 120px;
}

.siteFooter p{
    color: #060309;
    font-family: Helvetica, sans-serif, Arial;
    font-weight: bold;
}

.footer_title{
    font-size: 3.5rem;
    letter-spacing: 0.05em;
    text-align: center;
    padding-top: 55px;
}

.sns_icon{
    margin-right: 20px;
    margin-left: 20px;
    margin-top: 27px;
}

.sns_flex{
    display: flex;
    justify-content: center;
}

.sns_logo{
    width: 33px;
    height: 33px;
}

.footer_copy{
    bottom: 10px;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);   	
    white-space: nowrap;
    letter-spacing: 0.09em;
}

@media screen and (max-width: 768px) {

    .siteFooter{
        height: 150px;
        margin-top: 80px;
    }

    .footer_title{
        font-size: 2.3rem;
        padding-top: 25px;
    }

    .sns_icon{
        margin-top: 20px;
    }
}