.underlayer {
    margin: 1rem auto;
    width: 95%;
    max-width: 1280px;
    margin-block-start: 160px;
    margin-block-end: 160px;
}

/* 取扱分野のスタイル */
.entry-content h2,
.entry-summary h2 {
    color: #1b3a90;
    font-size: 1.25rem;
    margin-bottom: 16px;
}

.underlayer .entry-summary,
.entry-content {
    background-color: #fff;
    padding: 1rem;
    max-width: 1280px;
    margin-block-end: 80px;
}

@media screen and (max-width: 768px) {
    .underlayer {
        margin: auto;
        width: 95%;
        margin-block-start: 80px;
        margin-block-end: 160px;
    }

    .underlayer .entry-summary,
    .entry-content {
        margin-block-end: 30px;
    }
}

/* // 分野アーカイブページャー */
.nav-links {
    text-align: right;
}

/* // 分野シングルページページャー */
.post-navigation {
    display: flex;
    flex-wrap: wrap;
    margin-bottom: 80px;
}

@media screen and (max-width: 768px) {
    .post-navigation {
        flex-direction: column;
    }
}

.list-nav-previous,
.list-nav-next {
    background-color: #fff;
    padding: 1rem;
    margin: 1rem;
}

.list-nav-previous {
    flex: 1;
    border-left: #1b3a90 solid 3px;
}

.list-nav-next {
    flex: 1;
    border-right: #1b3a90 solid 3px;
}

.list-nav-previous p,
.list-nav-next p {
    font-size: 0.7rem;
}