header.sub-page-header {
    padding: 90px 0;
    width: 100%;
    text-align: center;
    background-color: #937049;
    background-image: url(../img/members-bg.jpg);
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
}

header.sub-page-header h1 {
    display: flex;
    width: 10%;
    min-width: 150px;
    margin: auto;
}

main {
    position: relative;
}

main:before {
    content: "";
    position: fixed;
    top: 50%;
    left: 50%;
    translate: -50% -50%;
    width: 100%;
    height: 100svh;
    background-image: url(../img/outline/outline-bg.jpg);
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
    z-index: -1;
}

.main-wrraper {
    max-width: 1200px;
    width: 95%;
    margin: auto;
}

.sub-page section {
    margin: 40px auto;
}

h2.section-title {
    text-align: center;
    padding: 40px 0;
    font-family: "RyuminPro";
    font-size: 20px;
    font-weight: bold;
    color: #4D4D4D;
}

.overview-table {
    background-color: #ffffff;
    padding: 20px 40px;
}

.overview-table table {
    width: 100%;
    font-family: "RyuminPro";
    font-weight: 300;
    border-collapse: collapse
}

.overview-table table tr:not(:last-child) {
    border-bottom: 1px solid #4D4D4D;
}

.overview-table table td {
    padding: 20px 0;
    font-size: 14px;
    line-height: 1.4;
    color: #4D4D4D;
    letter-spacing: .05em;
}

td.t_title {
    width: 16em;
}

.sub-page section.notice-ad {
    margin: 50px auto;
}

.ad-content {
    display: flex;
    align-items: stretch;
    gap: 14px;
    color: #4D4D4D;
    font-family: "RyuminPro";
}

p.ad-title {
    white-space: nowrap;
    padding: 0 30px;
    display: flex;
    align-items: center;
    border: solid 1px #4d4d4d;
    font-size: 16px;
}

p.ad-text {
    font-size: 12px;
    line-height: 1.5;
}

section.update-overview {
    margin-bottom: 120px;
}

section.update-overview .overview-table {
    padding: 10px 40px;
}

.sub-page section.members-btn-section {
    margin: 0;
}

.members-btn-container {
    padding: 60px 0;
}

p.members-btn-detail {
    letter-spacing: 0;
    font-size: max(0.9vw, 12px);
}

.return-home {
    width: 95%;
    max-width: 780px;
    margin: 0 auto 60px;
}

.return-home a {
    display: block;
    background-color: #6CA5C0;
    width: fit-content;
    min-width: 5em;
    padding: 20px 60px;
    font-size: 20px;
    color: #fff;
    text-align: center;
    margin: auto;
    font-family: "RyuminPro";
    transition: all .2s;
}

@media (hover: hover) {
    .return-home a:hover {
        opacity: .7;
    }
}

@media (max-width: 768px) {

    header.sub-page-header {
        padding: 60px 0;
    }

    .sub-page section {
        margin: 20px auto;
    }

    h2.section-title {
        padding: 30px 0;
    }

    .overview-table {
        padding: 10px 20px;
    }

    .overview-table table td {
        display: block;
        width: 100%;
    }

    .overview-table table td.t_title {
        padding-bottom: 5px;
    }

    .overview-table table td.t_text {
        padding-top: 5px;
    }

    .members-btn-container {
        padding: 40px 2.5%;
    }

    .ad-content {
        display: flex;
        flex-direction: column;
        width: 90%;
        margin: auto;
    }

    p.ad-title {
        display: flex;
        justify-content: center;
        padding: 20px 0;
    }

    section.update-overview {
        margin-bottom: 80px;
    }

    section.update-overview .overview-table {
        padding: 0px 20px;
    }

    .return-home {
        margin: 0 auto 40px;
    }

    .return-home a {
        font-size: 16px;
        padding: 16px 0;
        width: 20%;
        min-width: 150px;
    }

}