@charset "UTF-8";
body{
    font-size: 1vw;
    max-width:90%;
    margin: 0 auto;
    letter-spacing: .2vw;
    color:#333
}
.under{
    position: relative;
}
.under::after{
    content: '';
    position: absolute;
    left: 0;
    bottom: -0.2vw;
    width: 0%;
    height: 1px;
    background: #333;
    transform-origin:left-top;
    transition: all 0.3s;
}
.under:hover::after{
    width: 100%;
}
.header{
    width: 90%;
    position: fixed;
    display: flex;
    justify-content: center;
    border-bottom: .2vw double black;
    background-color: rgba(255, 255, 255, 0.8);

}
.header li{
    display: inline-block;
    transition: 0.5s;
    padding: 1vw 1vw .2vw 1vw;
    margin: 1vw 0 .8vw 0;
    border-bottom: 1px solid #FFF;
}
.header li:hover{
    border-bottom: solid black 1px;
    outline-offset:-1px;
}
main{
    padding: 6vw 0 0 0;
}
.section{
    width: 90%;
    margin: 1vw auto;
}
.section h1{
    margin-bottom: 1vw;
    border-left: #333 solid .5vw;
    border-bottom: solid #333 1px;
    font-size: 1.5vw;
}
.title{
    margin: 1vw 0 2vw 0;
    text-align: center;
    font-family: 'Noto Serif JP', serif;

}
.top{
    margin: 0 0 2vw 0;
}
.top-title{
    font-size: 2vw;
}
.top-subtitle{
    display: inline-block;
    padding: 1vw 0  .5vw 0;
    font-family: 'Noto Serif JP', serif;
    font-size: 3vw;
    text-align: center;
    border-bottom: #333 solid 1px;
} 
.top-description{
    text-align: center;
}
.info-list{
    padding:0 2vw;
}
.info-data-title{
    display: inline-block;
    border-bottom: #333 solid 1px;
    margin:1vw 0 .3vw 0;
}
.low-contents{
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}
.card{
    margin: 2vw 1vw;
    display: block;
    width: 20%;
    
}
.card dl{
    border: #333 .1vw solid;
    display: block;
    width: 12vw;
    height: 12vw;
}
.card-number{
    font-size: 1vw;
    display: inline-block;
    padding:.1vw .2vw;
    border-bottom:  #333 .1vw solid;
    width: 100%;
}
.card-description{
    width: 75%;
    padding: 2.2vw 0 3vw 0;
    margin: 2vw auto;
    font-size: 1.2vw;
    font-family: 'Noto Serif JP', serif;
    text-align: center;
}
.footer{
    height:2vw;
    font-family: 'Noto Serif JP', serif;
    text-align: center;
    font-size: .6vw;
}
/*tablet
*/
@media screen and (max-width: 768px) {
    body{
        font-size: 1.4vw;
    }
    .top-title{
        font-size: 2.5vw;
    }
    .top-subtitle{
        font-size: 4vw;
    }
    .section h1{
        font-size: 2vw;
        padding: 0 0 0 1vw;
    }
    .info-data-title{
        font-size: 1.7vw;
        margin: 1.5vw 0 1vw 0;
    }
    .card{
        width: 33%;
    }
    .card dl{
        width: 20vw;
        height: 20vw;
    }
    .card-number{
        font-size: 1.8vw;
        padding: .5vw 0 .5vw .8vw;
    }
    .card-description{
        font-size: 2vw;
        margin: 4vw auto;
    }
    .footer{
        font-size: 1.2vw;
    }

}
/*cell phone
*/
@media screen and (max-width: 480px) {
    body{
        font-size: 2.5vw;
    }
    main{
        padding-top: 10vw;
    }
    .title{
        margin: 1vw 0 4vw 0;
    }
    .top-title{
        font-size: 3.5vw;
    }
    .top-subtitle{
        padding: 2vw 0 1vw 0;
        font-size: 7vw;
    }
    .section h1{
        font-size: 4vw;
        padding: 0 0 0 2vw;
        border-left: #333 solid 1.5vw;
    }
    .info-data-title{
        font-size: 3.3vw;
        margin: 3vw 0 1.5vw 0;
    }
    .card{
        width: 50%;
    }
    .card dl{
        width: 36vw;
        height: 19vw;
    }
    .card-number{
        font-size: 3.5vw;
        padding: .8vw 0 .8vw 1vw;
    }
    .card-description{
        font-size: 3.5vw;
        margin: 1.5vw auto;
    }
    .footer{
        font-size: 2vw;
        padding-top: 6vw;
        height:15vw;
    }

}