/* =======================================================
 * footer-primer.css
 * 商標入門ガイド（/primer/ 配下）専用フッター
 * ======================================================= */

.primer-footer {
    background-color: #222;
    color: #fff;
    padding: 0;
    width: 100%;
}

.primer-footer__inner {
    max-width: 1078px;
    margin: 0 auto;
    padding: 32px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 64px;
}

.primer-footer__columns {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 32px;
    width: 100%;
}

.primer-footer__category {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    width: 100%;
}

.primer-footer__category-head {
    margin: 0;
    font-size: 14px;
    font-weight: 700;
    line-height: 1;
    letter-spacing: 0.12em;
    color: #fff;
}

.primer-footer__category-link {
    font-size: 12px;
    font-weight: 400;
    line-height: 1;
    letter-spacing: 0.12em;
    color: #E9E9E9;
    text-decoration: none;
}

.primer-footer__category-link:hover,
.primer-footer__category-link:focus {
    color: #F5734C;
    text-decoration: none;
}

.primer-footer__brand {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    width: 100%;
}

.primer-footer__logo {
    display: block;
    width: 169px;
    height: 27px;
}

.primer-footer__sns {
    display: flex;
    align-items: center;
    gap: 16px;
}

.primer-footer__sns-link {
    display: inline-flex;
    width: 36px;
    height: 36px;
}

.primer-footer__sns-link svg {
    display: block;
    width: 100%;
    height: 100%;
}

.primer-footer__certificate {
    display: block;
    width: 140px;
    height: auto;
}

.primer-footer__copyright {
    margin: 0;
    font-size: 12px;
    font-weight: 400;
    line-height: 1;
    letter-spacing: 0.12em;
    color: #999;
    text-align: center;
}

/* PC レイアウト: 4 カラム横並び */
@media only screen and (min-width: 896px) {
    .primer-footer__inner {
        padding: 48px 32px;
        gap: 32px;
    }

    .primer-footer__columns {
        flex-direction: row;
        align-items: flex-start;
        justify-content: space-between;
        gap: 24px;
    }

    .primer-footer__category {
        flex: 1;
    }

    .primer-footer__brand {
        flex: 0 0 auto;
        width: auto;
        align-items: flex-start;
    }
}