@charset "utf-8";

html{
    font-size: 62.5%;
}
body{
    font-size:  1.8rem;      
    font-family: 'Roboto','Noto Sans JP','Noto Serif JP', sans-serif, serif;     
    font-feature-settings: 'palt';                 
}
img{
    max-width: 100%;
    height: auto;
}

/* utlity */
.wrapper{
    max-width: 1148px;
    margin: 0 auto;
}
.inner{
    max-width: 785px;
    margin: 0 auto;
}
.title{
    font-size: 3.2rem;
    font-family: 'Noto Serif JP';
    font-weight: 600;
    padding: 0.73em 0 0.78em 0.875em;
    margin-bottom: 50px;
    color: #fff;
}
.bg-gray{
    background-color: #cccccc;
    background-color: #333;
}
.img-sp{
    display: none;
}
.btn-trigger{
    display: none;
}
.sp-reverse{
    display: none;
}
/*/ utlity */

/* header */

.header-inner{
    position: relative;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 25px 0;
    border-bottom:solid 1px #CCCCCC;
}
.header-logo{
    position: relative;
    top: 0;
    left: 0;
    width: 19.4%;
    transition: opacity 0.5s;
}
.header-logo:hover{
    opacity: 0.7;
}
.header-logo::before{
    content: "";
    display: block;
    padding-top: 22.8%;
}

.header-logo a{
    text-indent: 100%;
    overflow: hidden;
    white-space: nowrap;
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url(../images/header-logo.png);
    background-size: contain;
    background-repeat: no-repeat;
    line-height: 0;
}
.header-nav{
    position: absolute;
    top: 42px;
    right: 0;
}
.nav-list{
    display: flex;
    font-size: 1.6rem;
}
.nav-item{
    margin-left: 40px;
}

.nav-item a{
    position: relative;
    display: inline-block;
    color: #000;
}
.nav-item a::after{
    position: absolute;
    bottom: -4px;
    left: 0;
    content: '';
    width: 100%;
    height: 2px;
    background: #333;
    transform: scale(0, 1);
    transform-origin: left top;
    transition: transform .2s;
}
.nav-item:hover a::after{
    transform: scale(1, 1);
}
.hero-img img{
    width: 100%;
}
/* /header */

/* TOP PAGE */
.hero-img{
    transition: opacity 0.5s;
    padding: 4% 7% 0;
}    
.hero-img:hover{
    opacity: 0.8;
}
.top{
    padding: 80px 0;
}
.top-title{
    font-size: 2.6rem;
    font-family: 'Noto Serif JP';
    font-weight: 600;
    padding: 0.77em 0 0.77em 0.46em;
    color: #fff;
}
.info-item a{
    color: #000;
    transition: opacity 0.5s;
}
.info-item:hover a{
    display: block;
    opacity: 0.6;
}
.info-item a .info-title{
    font-size: 2.2rem;
    font-family: 'Nto Sans JP';
    font-weight: 700;
    padding: 2em 0 1.3em;
    line-height: 1.65;
}
h3.info-title {
    text-decoration: underline;
}

.info-item a .info-text{
    font-size: 1.8rem;
    padding-bottom: 1.5em;
    border-bottom: dotted 3px #000;
    line-height: 1.65;
}
/* /TOP PAGE */

/* about */
.about-1{
    padding: 80px 0 40px;
}
.about-paragraph{
    line-height: 2;
    letter-spacing: -0.035em;
    font-feature-settings: 'palt';
    margin-bottom: 20px;
}
.about-2,.about-3,.about-4,.about-5{
    margin-bottom: 40px;
}

.about-3 .title,.about-4 .title,.about-5 .title{
    margin-bottom: 30px;
}
/* /about */

/* activiity */
.section-activity{
    padding-top: 80px;
    padding-bottom: 100px;
}
.activity-detail{
    margin-top: 50px;
}
.title-2{
    position: relative;
    font-size: 2.4rem;
    padding: 0 0 0.625em 0.83em;
    border-bottom: solid 1px #000; 
}
.title-2::before{
    position: absolute;
    content: "";
    width: 3px;
    height: 25px;
    background-color: #000;
    left: 0;
}
.detail-paragraph{
    line-height: 2;
    padding: 1.66em 0;

}
.activity-img{
    padding: 0 30px;
}
.activity-img::after{
    content: "";
    display: block;
    clear: both;
}
.main-img{
    float: left;
    position: relative;
    width: 31.4%;
}
.main-img::before{
    content: "";
    display: block;
    width: 100%;
    height: 100%;
    padding-top: 141%;
}
.main-img img{
    position: absolute;
    top: 0;
    left: 0;
}
.sub-img {
    width: 68.6%;
    float: right;
}
.sub-img::after{
    content: "";
    display: block;
    clear: both;
}
.sub-img_item{
    position: relative;
    width: 50%;
    float: left;
}
.sub-img_item img{
    position: absolute;
    top: 0;
    left: 0;
    display: block;
    box-sizing: border-box;
    padding-left: 20px;
    padding-bottom: 20px;
}
.sub-img_item:nth-of-type(3) img,.sub-img_item:last-of-type img{
    padding-bottom: 0;
}
.sub-img_item::before{
    content: "";
    display: block;
    padding-top: 61%;
    width: 100%;
    height: 100%;

}
/* /activity */

/* admission */
.section-admission{
    padding-top: 80px;
    padding-bottom: 100px;
}
.admission-paragraph{
    font-size: 1.8rem;
    line-height: 2;
    letter-spacing: -0.015em;
    margin-bottom: 50px;
}
.rule-content{
    padding-top: 30px;
}
.rule-content ul{
    margin-bottom: 50px;
}
.rule-content ul h4{
    font-size: 1.8rem;
    line-height: 2;
}
.rule-content ul li p{
    font-size: 1.8rem;
    line-height: 2;
}
.rule-content_other{
    margin-bottom: 45px;
}
.admission-btn{
    display: block;
    text-align: center;
    width: 250px;
    font-size: 2.2rem;
    font-family: 'Noto Sans JP';
    color: #fff;
    background-color: #cccccc;
    padding: 2rem 2.5rem;
    margin: 0 auto;
    transition: opacity 0.3s;
}
.admission-btn:hover{
    opacity: 0.8;
}
.rule-content ul:nth-of-type(7) li:nth-of-type(8){
    margin-top: 54px;
}
.admission-content03 .admission-paragraph{
    margin-bottom: 80px;
}
.admission-content03 .admission-paragraph a span{
    color: #000;
}
.admission-content03 .admission-paragraph a:first-of-type span,.admission-content03 .admission-paragraph a:last-of-type span
    {
    margin-right: 25px;
}
.admission-content03 .admission-paragraph a:nth-of-type(2) span{
    margin-right: 10px;
}

/* /admission */

/* contact */
.section-contact{
    padding-top: 80px;
    padding-bottom: 100px;
}
.section-contact ul{
    text-align: left;
    font-size: 1.8rem;
    line-height: 2;
}
.contact-item__tell span,.contact-item__mail span{
    color: #000;
}
/* /contact */

/* footer */
.footer{
    padding: 40px 0 120px;
    text-align: center;
    background-color: #F2F2F2;
}

.footer-nav .nav-list{
    justify-content: center;
    padding-top: 4.68em;

}
.address{
    font-size: 1.6rem;
    line-height: 1.5;
    padding-top: 3.25em;
}
.copyright{
    display: block;
    font-size: 1.4rem;
    padding-top: 6em;;
}
/* /footer */


@media screen and (max-width:768px){
    /* utility */
    .img-pc{
        display: none;
    }
    .img-sp{
        display: block;
        margin: 0 auto;
    }
    .inner{
        padding: 0 20px;
    }
    .title{
        font-size: 1.5rem;
        font-size: 4vw;
        padding: 0.8em 0 0.8em 0.66em;
        margin-bottom: 25px;
    }
    .pc-reverse{
        display: none;
    }
    .sp-reverse{
        display: block;
    }
    .btn-trigger {
        display: block;
        -webkit-apperance: none;
        appearance: none;
        position: fixed;
        top: 14px;
        right: 12px;
        z-index: 110;
        width: 40px;
        height: 20px;
        border: none;
        background-color: #fff;
    }
    .btn-trigger span {
        position: absolute;
        display: block;
        width: 28px;
        height: 1px;
        background-color: #000;
        transition: all 0.5s;
    }
    .btn-trigger span:first-of-type {
        top: 0;
    }
    .btn-trigger span:nth-of-type(2) {
        top: 10px;
    }
    .btn-trigger span:last-of-type {
        bottom: 0;
    }
    .btn-trigger.active span:first-of-type{
        transform: rotate(45deg);
        top: 10px;
    }
    .btn-trigger.active span:nth-of-type(2){
        opacity: 0;
    }
    .btn-trigger.active span:last-of-type{
        transform: rotate(-45deg);
        bottom: 10px;
    }
    .main{
        padding-top: 12.5%;
    }
    /* /utility */

    /* header */
    .wrapper{
        padding: 15px 20px 9px; 
    }

    .header-inner{
        position: relative;

    }
    .header{
        position: fixed;
        top: 0;
        left: 0;
        z-index: 10;
        width: 100%;
        background-color: #fff;
    }
    .header-logo{
        position: relative;
        width: 29%;
    }
    .header-logo:hover{
        opacity: 1;
    }
    .navigation{
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        z-index: 50;
        box-sizing: border-box;
        width: 100%;
        height: 120%;
        padding: 120px 0 0;
        background-color: rgba(255,255,255,0.97);
    }
    .header-nav .nav-list{
        text-align: center;
    }
    .header-nav .nav-list .nav-item{
        font-size: 1.8rem;
        font-size: 4.8vw;
        font-weight: 500;
        margin-bottom: 50px;
    }
    .nav-item:hover a::after{
        transform: scale(0, 1);
    }
    .header-nav{
        position: static;

    }
    .nav-list{
        display: block;
        font-size: 1.6rem;
    }
    .nav-item{
        margin: 0;
    }
    /* /header */

    /* TOP PAGE */
    .hero-img:hover{
        opacity: 1;
    }
    .hero-img{
        padding: 0;
    }
    .top{
        padding-top: 40px;
        padding-bottom: 40px;
    }
    .top-title{
        font-size: 1.5rem;
        font-size: 4.2vw;
        padding: 0.77em 0 0.77em 0.66em;
        margin-bottom: 15px;
    }
    .info-item a{
        color: #000;
    }
    .info-item:hover a{
        display: block;
        opacity: 1;
    }
    .info-item a .info-title{
        font-size: 1.4rem;
        font-size: 3.7vw;
        padding: 1em 0;
    }
    .info-item a .info-text{
        font-size: 1.2rem;
        font-size: 3.2vw;
        padding-bottom: 1.4em;
        }
    /* /TOP PAGE */
    /* about */
    .about-1{
        padding: 40px 0 30px;
    }
    .about-paragraph{
        font-size: 1.3rem;
        font-size: 3.4vw;
        line-height: 1.5;
    }
    .about-2,.about-3,.about-4,.about-5{
        margin-bottom: 30px;
    }
    .about-2 p:last-of-type,.about-3 p:last-of-type,.about-4 p:last-of-type,.about-5 p:last-of-type{
        font-size: 1.3rem;
        font-size: 3.4vw;
    }
    .about-5 p:last-of-type{
        line-height: 2;
    }
    /* /about */

    /* activiity */
    .section-activity{
        padding-top: 40px;
        padding-bottom: 50px;
    }
    .activity-detail{
        margin-top: 0px;
    }
    .title-2{
        position: relative;
        font-size: 1.5rem;
        font-size: 4vw;
        padding: 0 0 0.66em 0.66em;
        border-bottom: solid 1px #000; 
    }
    .title-2::before{
        width: 2px;
        height: 12px;
    }
    .detail-paragraph{
        font-size: 1.3rem;
        font-size: 3.4vw;
        line-height: 1.5;
        padding: 1.33em 0;

    }
    .activity-img{
        padding: 0 20px 20px;
    }
    .sub-img_item img{
        padding-left: 9px;
        padding-bottom: 12px;
    }
    /* /activity */

    /* admission */
    .section-admission{
        padding-top: 40px;
        padding-bottom: 50px;
    }
    .admission-paragraph{
        font-size: 1.3rem;
        font-size: 3.4vw;
        line-height: 1.5;
        letter-spacing: normal;
        margin-bottom: 25px;
    }
    .admission-content02{
        font-size: 1.3rem;
        font-size: 3.4vw;
        margin-bottom: 25px;
    }
    .admission-content02__list{
        margin-bottom: 20px;
    }
    .admission-content02__list h4{
        font-size: 1.4rem;
        font-size: 3.7vw;
        font-weight: 500;
        margin-bottom: 5px;
    }.rule-content_other{
        margin-bottom: 20px;
    }
    .admission-btn{
        width: 100%;
        font-size: 1.8rem;
        padding: 1rem 0;
        margin: 0;
        transition: opacity 0.3s;
    }
    .admission-btn:hover{
        opacity: 1;
    }
    .admission-content02 li ul li{
        margin: 8px 0;
    }
    .admission-content02 li ul li a{
        color: #000;
    }
    .admission-content02 li ul li a span{
        margin-right: 25px;
    }
    .admission-content02 li ul li:nth-of-type(4) a span{
        margin-right: 10px;
    }
    .admission-content02 li ul li:nth-of-type(5) a span{
        margin-right: 30px;
    }
    .rule-content{
        padding-top: 20px;
    }
    .rule-content ul{
        margin-bottom: 26px;
    }
    .rule-content ul h4{
        font-size: 1.3rem;
        font-size: 3.4vw;
        line-height: 1.5;
    }
    .rule-content ul li p{
        font-size: 1.3rem;
        font-size: 3.4vw;
        line-height: 1.5;
    }
    .rule-content ul:nth-of-type(7) li:nth-of-type(8){
        margin-top: 25px;
    }
    .rule-content_other{
        font-size: 1.3rem;
        font-size: 3.4vw;
        line-height: 1.5;
    }
    .rule-content_other p:first-of-type{
        margin-bottom: 20px;
    }

    /* /admission */

    /* contact */
    .section-contact{
        padding-top: 40px;
        padding-bottom: 50px;
    }
    .section-contact ul{
        font-size: 1.3rem;
        font-size: 3.4vw;
        line-height: 1.5;
    }
    /* /contact */

    /* footer */
    .footer{
        padding: 30px 0 60px;
    }
    .footer-nav .nav-list{
        display: flex;
        justify-content: center;
        font-size: 1.2rem;
        font-size: 3.2vw;
        padding-top: 2.08em;
    }
    .footer-nav .nav-list .nav-item{
        margin-left: 15px;
    }

    .address{
        font-size: 1.4rem; 
        font-size: 3.7vw;
        line-height: 1.5;
    }
    .copyright{
        font-size: 1.4rem;
        font-size: 3.7vw;
        padding-top: 1.78em;
    }
    /* /footer */

}