/* ========================================
   知見記事：目次
======================================== */

.p-article-toc {
    margin: 56px 0 72px;
    padding: 40px 44px;
    background: #f7f4f2;
    border-top: 1px solid #5b0000;
    border-bottom: 1px solid #ded5d1;
}

.p-article-toc__header {
    margin-bottom: 26px;
    padding-bottom: 18px;
    border-bottom: 1px solid #d6cbc6;
}

.p-article-toc__heading {
    display: flex;
    align-items: baseline;
    gap: 16px;
}

.p-article-toc__en {
    font-family: "Oswald", sans-serif;
    font-size: 28px;
    font-weight: 500;
    line-height: 1;
    letter-spacing: 0.06em;
    color: #580000;
}

.p-article-toc__ja {
    font-size: 13px;
    font-weight: 500;
    color: #777;
}

.p-article-toc__list,
.p-article-toc__sublist {
    margin: 0;
    padding: 0;
    list-style: none;
}

.p-article-toc__item {
    margin: 0;
    padding: 0;
}

.p-article-toc__item--h2+.p-article-toc__item--h2 {
    margin-top: 2px;
}

.p-article-toc__link {
    display: grid;
    grid-template-columns: 52px 1fr 24px;
    align-items: center;
    gap: 14px;
    width: 100%;
    padding: 17px 0;
    border-bottom: 1px solid #ddd3cf;
    color: #222;
    text-decoration: none;
    transition:
        padding-left 0.25s ease,
        color 0.25s ease;
}

.p-article-toc__link:hover {
    padding-left: 6px;
    color: #680000;
}

.p-article-toc__number {
    font-family: "Oswald", sans-serif;
    font-size: 16px;
    font-weight: 500;
    letter-spacing: 0.03em;
    color: #700000;
}

.p-article-toc__title {
    font-size: 16px;
    font-weight: 600;
    line-height: 1.6;
}

.p-article-toc__arrow {
    display: block;
    font-size: 16px;
    text-align: right;
    color: #700000;
    transition: transform 0.25s ease;
}

.p-article-toc__link:hover .p-article-toc__arrow {
    transform: translate(3px, 3px);
}


/* H3
---------------------------------------- */

.p-article-toc__sublist {
    padding: 6px 0 10px 52px;
}

.p-article-toc__item--h3 .p-article-toc__link {
    grid-template-columns: 52px 1fr 24px;
    gap: 12px;
    padding: 10px 0;
    border-bottom: none;
}

.p-article-toc__item--h3 .p-article-toc__number {
    font-size: 12px;
    font-weight: 400;
    color: #999;
}

.p-article-toc__item--h3 .p-article-toc__title {
    font-size: 14px;
    font-weight: 400;
    line-height: 1.6;
    color: #555;
}

.p-article-toc__item--h3 .p-article-toc__arrow {
    font-size: 13px;
    color: #999;
}

.p-article-toc__item--h3 .p-article-toc__link:hover .p-article-toc__title {
    color: #680000;
}


/* アンカー移動位置調整
---------------------------------------- */

.js-article-heading {
    scroll-margin-top: 120px;
}


/* SP
---------------------------------------- */

@media screen and (max-width: 767px) {

    .p-article-toc {
        margin: 40px 0 52px;
        padding: 28px 20px;
    }

    .p-article-toc__header {
        margin-bottom: 18px;
        padding-bottom: 14px;
    }

    .p-article-toc__heading {
        display: block;
    }

    .p-article-toc__en {
        display: block;
        margin-bottom: 6px;
        font-size: 23px;
    }

    .p-article-toc__ja {
        display: block;
        font-size: 11px;
    }

    .p-article-toc__link {
        grid-template-columns: 38px 1fr 18px;
        gap: 8px;
        padding: 14px 0;
    }

    .p-article-toc__number {
        font-size: 14px;
    }

    .p-article-toc__title {
        font-size: 14px;
    }

    .p-article-toc__arrow {
        font-size: 14px;
    }

    .p-article-toc__sublist {
        padding: 4px 0 8px 38px;
    }

    .p-article-toc__item--h3 .p-article-toc__link {
        grid-template-columns: 42px 1fr 16px;
        gap: 6px;
        padding: 8px 0;
    }

    .p-article-toc__item--h3 .p-article-toc__title {
        font-size: 13px;
    }

    .js-article-heading {
        scroll-margin-top: 90px;
    }
}