/******************************
 * コラム（note連携）
 ******************************/
.column-lead {
    padding: 50px 0 10px;
    text-align: center;
    line-height: 2;
}

/* テーマ紹介（5テーマ） */
.column-theme {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
    margin-top: 40px;
}

.column-theme__link {
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
    border-radius: 10px;
    background-color: #F1F9F9;
    color: #333;
    transition: transform .25s, box-shadow .25s;
}

/* reset.css の a:hover 半透明は使わず、浮き上がりで反応させる */
.column-theme__link:hover,
.column-theme__link:hover img {
    opacity: 1;
}

.column-theme__link:hover,
.column-theme__link.is-current {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(34, 155, 160, .18);
}

.column-theme__link.is-current {
    outline: 2px solid #229BA0;
    outline-offset: -2px;
}

.column-theme__img {
    aspect-ratio: 282 / 128;
    overflow: hidden;
}

.column-theme__img img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .4s;
}

.column-theme__link:hover .column-theme__img img {
    transform: scale(1.05);
}

.column-theme__icon {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 58px;
    height: 58px;
    margin: -32px auto 0;
    border: 3px solid #fff;
    border-radius: 50%;
    background-color: #229BA0;
    color: #fff;
    font-size: 2.2rem;
}

.column-theme__ttl {
    margin-top: 8px;
    color: #1E8A8E;
    font-size: 1.8rem;
    font-weight: 700;
    line-height: 1.5;
    text-align: center;
}

.column-theme__ttl::after {
    content: "";
    display: block;
    width: 36px;
    height: 2px;
    margin: 10px auto 0;
    background-color: #229BA0;
}

.column-theme__text {
    padding: 14px 14px 20px;
    font-size: 1.3rem;
    line-height: 1.85;
}

/* 記事一覧（テーマ紹介と区切る） */
.column-archive {
    scroll-margin-top: 90px;
    margin-top: 60px;
    padding-top: 50px;
    border-top: 1px solid #DDE9E9;
}

/* カテゴリー絞り込み */
.column-filter {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    margin-bottom: 50px;
}

.column-filter a {
    display: block;
    min-width: 130px;
    padding: 8px 22px;
    border: 1px solid #229BA0;
    border-radius: 999px;
    color: #229BA0;
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1.6;
    text-align: center;
    transition: background-color .2s, color .2s;
}

.column-filter a:hover,
.column-filter a.is-current {
    background-color: #229BA0;
    color: #fff;
}

/* 一覧 */
.column-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px 3%;
}

.column-card {
    display: flex;
    flex-direction: column;
}

.column-card__link {
    display: block;
    flex: 1;
    color: inherit;
}

.column-card__thumb {
    aspect-ratio: 1280 / 670;
    overflow: hidden;
    background-color: #EDFAFA;
}

.column-card__thumb img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .4s;
}

.column-card__link:hover .column-card__thumb img {
    transform: scale(1.04);
}

.column-card__body {
    padding-top: 14px;
}

.column-card__meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.3rem;
    color: #707070;
    line-height: 1.6;
}

.column-card__note {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 0 8px;
    border-radius: 3px;
    background-color: #F5F5F5;
    color: #333;
    font-size: 1.2rem;
    font-weight: 700;
}

.column-card__note i {
    font-size: 1rem;
}

.column-card__ttl {
    margin-top: 6px;
    font-size: 1.6rem;
    font-weight: 700;
    line-height: 1.6;
    transition: color .2s;
}

.column-card__link:hover .column-card__ttl {
    color: #229BA0;
}

.column-card__summary {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    overflow: hidden;
    margin-top: 8px;
    font-size: 1.3rem;
    line-height: 1.8;
    color: #555;
}

.column-card__cat {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 12px;
}

.column-card__cat a {
    display: block;
    padding: 1px 8px;
    background-color: #229BA0;
    color: #fff;
    font-size: 1.1rem;
    font-weight: 700;
    line-height: 1.8;
    transition: opacity .2s;
}

.column-card__cat a:hover {
    opacity: .75;
}

.column-archive .m-pagenation {
    margin-top: 20px;
}

/* 詳細ページ（noteのURLが空欄の記事） */
.single-column .post-single__meta-cat a {
    color: #fff;
}

@media screen and (max-width: 1024px) {
    .column-theme {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media screen and (max-width: 768px) {
    .column-theme {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    .column-archive {
        margin-top: 50px;
        padding-top: 40px;
    }
    .column-list {
        grid-template-columns: repeat(2, 1fr);
        gap: 36px 4%;
    }
    .column-lead__br {
        display: none;
    }
}

@media screen and (max-width: 480px) {
    .column-lead {
        padding-top: 36px;
        text-align: left;
    }
    .column-theme {
        grid-template-columns: 1fr;
        gap: 16px;
        margin-top: 30px;
    }
    .column-theme__text {
        padding: 12px 18px 18px;
    }
    .column-filter {
        justify-content: flex-start;
        gap: 8px;
        margin-bottom: 30px;
    }
    .column-filter a {
        min-width: 0;
        padding: 5px 14px;
        font-size: 1.3rem;
    }
    .column-list {
        grid-template-columns: 1fr;
        gap: 36px;
    }
}