.font_pdsc {
    font-family: 'Playfair Display SC', serif;
}
#header h1 img.logo {
    display: none;
}
h2.alpha {
    font-size: 30px;
    font-size: 3rem;
    font-weight: bold;
    text-align: center;
}
.sns-sec {
    width: 100%;
    background-color: rgba(158, 123, 38, 0.2);
}
#contents {
    padding-top: 50px;
    line-height: 1.6;
}
#contents .inner {
    margin-top: 40px;
}
#contents .club_inner {
    margin-top: 40px;
    margin-bottom: 80px;
    padding-bottom: 80px;
}
.subnav{
    width: 100%;
    background-color: rgba(158, 123, 38, 0.2)   ;
    text-align: center;
}
.subnav li{
    display: inline-block;
    font-size: 18px;
    font-size: 1.8rem;
}
.subnav li a{
    display: block;
    line-height: 70px;
    padding: 0 20px;
    text-decoration: none;
    color: #000;
}
.subnav li a:hover,
.subnav li a.active{
    color: #C51813;
    border-bottom: 2px solid #C51813;
}
.about_main{
    padding-bottom: 80px;
}
.about_main h4 {
    font-size: 24px;
    font-size: 2.4rem;
    line-height: 1.2;
    padding: 50px 0;
    font-weight: bold;
    color: #C51813;
}
.about_main ol{
    margin-top: 1rem;
 }
.about_main ol li{
    list-style-type: decimal;
    list-style-position: outside;
    margin-left: 2rem;
    margin-bottom: 1rem;
    font-weight: bold;
}
.about_main ol li p{
    font-weight: normal;
}
.about_main ol li em{
    font-style: normal;
    color: #C51813;
}
.about_main ol ol li{
    list-style-type: upper-roman;
    margin-bottom: 0.5rem;
    font-weight: normal;
}

@media screen and (max-width: 600px){
    #header h1 img.logo-wht,
    #header h1 img.logo-wht-sp {
        display: none;
    }
    h2.heading {
        margin-top: 1em;
    }
    .subnav li a{
        font-size: 14px;
        font-size: 1.4rem;
        line-height: 50px;
    }
    .about_main{
        font-size: 1.4rem;
    }
}