/* =========================================================
   COLUMN
========================================================= */

.column-page {
    background: #fff;
    color: #252b28;
}

.column-page img {
    display: block;
    max-width: 100%;
    height: auto;
}


/* =========================================================
   BREADCRUMB
========================================================= */

.column-page .breadcrumb {
    border-bottom: 1px solid #ececea;
    background: #fff;
}

.column-page .breadcrumb ol {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
    margin: 0;
    padding: 14px 0;
    list-style: none;
    font-size: 11px;
    line-height: 1.6;
    color: #858a87;
}

.column-page .breadcrumb li:not(:last-child)::after {
    content: "/";
    margin-left: 7px;
    color: #b8bcb9;
}

.column-page .breadcrumb a {
    color: #68716d;
    text-decoration: none;
}


/* =========================================================
   INTRO
========================================================= */

.column-intro {
    padding: 65px 0 50px;
}

.column-intro__inner {
    /*max-width: 900px;*/
}

.column-intro .section-heading {
    margin-bottom: 35px;
}

.column-intro .section-heading__en {
    margin: 0 0 12px;
    color: #718c81;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: .2em;
}

.column-intro .section-heading h2 {
    margin: 0;
    color: #202925;
    font-size: 34px;
    font-weight: 500;
    line-height: 1.6;
    letter-spacing: .04em;
}

.column-intro__text {
    margin: 0 0 18px;
    font-size: 16px;
    line-height: 2.15;
    color: #505955;
}


/* =========================================================
   SECTION HEAD
========================================================= */

.column-section-head {
    margin-bottom: 38px;
}

.column-section-head__en {
    margin: 0 0 10px;
    color: #718c81;
    font-size: 10px;
    font-weight: 600;
    letter-spacing: .22em;
}

.column-section-head h2 {
    margin: 0;
    color: #222a26;
    font-size: 30px;
    font-weight: 500;
    line-height: 1.5;
    letter-spacing: .04em;
}


/* =========================================================
   CATEGORY
========================================================= */

.column-category {
    padding: 50px 0;
    background: #f4f6f4;
}

.column-category__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border-top: 1px solid #dce2de;
    border-left: 1px solid #dce2de;
}

.column-category__item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 105px;
    padding: 25px 28px;
    border-right: 1px solid #dce2de;
    border-bottom: 1px solid #dce2de;
    background: #fff;
    color: inherit;
    text-decoration: none;
    transition:
        background .25s ease,
        color .25s ease;
}

.column-category__item:hover {
    background: #243d34;
    color: #fff;
}

.column-category__body {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.column-category__name {
    font-size: 16px;
    font-weight: 600;
}

.column-category__count {
    color: #8b9691;
    font-size: 9px;
    letter-spacing: .15em;
}

.column-category__item:hover .column-category__count {
    color: rgba(255,255,255,.65);
}

.column-category__arrow {
    font-size: 20px;
}


/* =========================================================
   ARTICLE LIST
========================================================= */

.column-list-section {
    padding: 65px 0 75px;
}

.column-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 55px 30px;
}

.column-card {
    min-width: 0;
}

.column-card__link {
    display: block;
    color: inherit;
    text-decoration: none;
}

.column-card__image {
    position: relative;
    overflow: hidden;
    width: 100%;
    aspect-ratio: 16 / 9; /* YouTubeのサムネイル（16:9）が切れずに収まる比率 */
    background: #edf0ee;
}

.column-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .5s ease;
}

.column-card__link:hover .column-card__image img {
    transform: scale(1.035);
}

.column-card__noimage {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    color: #829089;
    background:
        linear-gradient(
            135deg,
            #edf1ee,
            #e2e8e4
        );
    font-size: 13px;
    line-height: 1.7;
    text-align: center;
    letter-spacing: .12em;
}

.column-card__content {
    padding-top: 20px;
}

.column-card__meta {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 14px;
}

.column-card__category {
    display: inline-block;
    padding: 5px 9px;
    background: #eaf0ec;
    color: #315344;
    font-size: 10px;
    line-height: 1;
}

.column-card__date {
    color: #8d9490;
    font-size: 11px;
    letter-spacing: .05em;
}

.column-card__title {
    margin: 0 0 14px;
    color: #202824;
    font-size: 19px;
    font-weight: 600;
    line-height: 1.65;
}

.column-card__lead {
    display: -webkit-box;
    overflow: hidden;
    margin: 0;
    color: #68706c;
    font-size: 13px;
    line-height: 1.9;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
}

.column-card__more {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 22px;
    padding-top: 14px;
    border-top: 1px solid #e1e4e2;
    color: #557064;
    font-size: 9px;
    font-weight: 600;
    letter-spacing: .15em;
}


/* =========================================================
   EMPTY
========================================================= */

.column-empty {
    padding: 50px;
    background: #f5f6f5;
    text-align: center;
}

.column-empty p {
    margin: 0;
    color: #666;
}


/* =========================================================
   CATEGORY INTRO
========================================================= */

.column-category-intro {
    padding: 50px 0 20px;
}

.column-category-intro__inner {
    max-width: 850px;
}

.column-category-intro__en {
    margin: 0 0 10px;
    color: #718c81;
    font-size: 10px;
    font-weight: 600;
    letter-spacing: .2em;
}

.column-category-intro h2 {
    margin: 0 0 25px;
    color: #202824;
    font-size: 30px;
    font-weight: 500;
}

.column-category-intro p:last-child {
    margin: 0;
    color: #59615d;
    font-size: 15px;
    line-height: 2;
}

.column-back {
    margin-top: 70px;
    text-align: center;
}

.column-back a {
    color: #385849;
    text-decoration: none;
}


/* =========================================================
   ARTICLE DETAIL
========================================================= */

.column-detail {
    padding-top: 0;
}

.column-article {
    padding: 70px 20px 110px;
}

.column-article__container {
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
}

.column-article__header {
    margin-bottom: 45px;
}

.column-article__meta {
    display: flex;
    align-items: center;
    gap: 18px;
    margin-bottom: 24px;
}

.column-article__category {
    display: inline-block;
    padding: 7px 12px;
    background: #e8efeb;
    color: #315344;
    font-size: 11px;
    text-decoration: none;
}

.column-article__date {
    color: #8a918d;
    font-size: 12px;
}

.column-article__title {
    margin: 0 0 30px;
    color: #1f2723;
    font-family:
        "Noto Serif JP",
        "Yu Mincho",
        "Hiragino Mincho ProN",
        serif;
    font-size: 38px;
    font-weight: 500;
    line-height: 1.55;
    letter-spacing: .025em;
}

.column-article__lead {
    margin: 0;
    padding: 25px 28px;
    border-left: 3px solid #607f70;
    background: #f5f7f5;
    color: #505955;
    font-size: 15px;
    line-height: 2.05;
}

.column-article__main-image {
    margin-bottom: 60px;
}

.column-article__main-image img {
    width: 100%;
}


/* =========================================================
   ARTICLE BODY
========================================================= */

.column-article__body {
    color: #333b37;
    font-size: 16px;
    line-height: 2.15;
}

.column-article__body > *:first-child {
    margin-top: 0;
}

.column-article__body h2 {
    position: relative;
    margin: 75px 0 30px;
    padding: 18px 22px;
    border-left: 4px solid #496b5b;
    background: #f2f5f3;
    color: #202824;
    font-size: 25px;
    font-weight: 600;
    line-height: 1.6;
}

.column-article__body h3 {
    margin: 55px 0 22px;
    padding-bottom: 12px;
    border-bottom: 1px solid #bcc9c2;
    color: #26332d;
    font-size: 21px;
    font-weight: 600;
    line-height: 1.65;
}

.column-article__body h4 {
    margin: 40px 0 15px;
    color: #344b40;
    font-size: 18px;
    font-weight: 600;
}

.column-article__body p {
    margin: 0 0 28px;
}

.column-article__body ul,
.column-article__body ol {
    margin: 28px 0;
    padding: 25px 25px 25px 48px;
    background: #f6f7f6;
}

.column-article__body li {
    margin: 7px 0;
}

.column-article__body img {
    margin: 35px auto;
}

.column-article__body a {
    color: #2e6650;
    text-decoration: underline;
}

.column-article__body table {
    width: 100%;
    margin: 35px 0;
    border-collapse: collapse;
}

.column-article__body th,
.column-article__body td {
    padding: 15px;
    border: 1px solid #d8ddda;
    vertical-align: top;
}

.column-article__body th {
    background: #edf2ef;
    font-weight: 600;
}


/* =========================================================
   NOTICE
========================================================= */

.column-article__notice {
    margin-top: 75px;
    padding: 30px;
    border: 1px solid #d9dfdb;
    background: #fafafa;
}

.column-article__notice h2 {
    margin: 0 0 15px;
    font-size: 17px;
    font-weight: 600;
}

.column-article__notice p {
    margin: 0;
    color: #626965;
    font-size: 13px;
    line-height: 1.9;
}


/* =========================================================
   ARTICLE BACK
========================================================= */

.column-article__back {
    margin-top: 60px;
    text-align: center;
}

.column-article__back a {
    display: inline-block;
    min-width: 230px;
    padding: 15px 25px;
    border: 1px solid #3d5c4d;
    color: #315344;
    text-decoration: none;
}


/* =========================================================
   RELATED
========================================================= */

.column-related {
    padding: 55px 0 70px;
    background: #f3f5f3;
}

.column-related__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.column-related-card {
    background: #fff;
}

.column-related-card a {
    display: block;
    color: inherit;
    text-decoration: none;
}

.column-related-card__image {
    overflow: hidden;
    aspect-ratio: 16 / 9; /* YouTubeのサムネイル（16:9）が切れずに収まる比率 */
    background: #e7ebe8;
}

.column-related-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .4s ease;
}

.column-related-card a:hover img {
    transform: scale(1.03);
}

.column-related-card__body {
    padding: 22px;
}

.column-related-card__body time {
    display: block;
    margin-bottom: 10px;
    color: #8a918d;
    font-size: 10px;
}

.column-related-card__body h3 {
    margin: 0;
    font-size: 15px;
    font-weight: 600;
    line-height: 1.7;
}


/* =========================================================
   RESPONSIVE
========================================================= */

@media (max-width: 767px) {

    .column-intro {
        padding: 40px 0 40px;
    }

    .column-intro .section-heading h2 {
        font-size: 25px;
        line-height: 1.6;
    }

    .column-intro__text {
        font-size: 14px;
        line-height: 2;
    }


    .column-category {
        padding: 40px 0;
    }

    .column-category__grid {
        grid-template-columns: 1fr;
    }

    .column-category__item {
        min-height: 82px;
        padding: 20px;
    }


    .column-list-section {
        padding: 45px 0 55px;
    }

    .column-section-head {
        margin-bottom: 28px;
    }

    .column-section-head h2 {
        font-size: 24px;
    }

    .column-list {
        grid-template-columns: 1fr;
        gap: 45px;
    }

    .column-card__title {
        font-size: 18px;
    }


    .column-category-intro {
        padding: 40px 0 0;
    }

    .column-category-intro h2 {
        font-size: 24px;
    }


    .column-article {
        padding: 45px 20px 75px;
    }

    .column-article__header {
        margin-bottom: 35px;
    }

    .column-article__title {
        margin-bottom: 24px;
        font-size: 27px;
        line-height: 1.55;
    }

    .column-article__lead {
        padding: 20px;
        font-size: 14px;
        line-height: 1.95;
    }

    .column-article__main-image {
        margin-bottom: 40px;
    }

    .column-article__body {
        font-size: 15px;
        line-height: 2;
    }

    .column-article__body h2 {
        margin: 55px 0 25px;
        padding: 15px 17px;
        font-size: 21px;
    }

    .column-article__body h3 {
        margin: 45px 0 20px;
        font-size: 19px;
    }

    .column-article__body table {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
    }

    .column-article__notice {
        margin-top: 55px;
        padding: 22px;
    }


    .column-related {
        padding: 45px 0 55px;
    }

    .column-related__grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }

}

/* =========================================================
   SUPERVISOR
   記事の最後（注意書きの後）に監修医師を表示する
========================================================= */

.column-article .supervisor {
    margin-top: 40px;
}


/* =========================================================
   COMMENT BOX（スタッフのコメント）
   本文に次の形で書く
   <div class="column-comment">
     <img class="column-comment__photo" src="…" alt="…">
     <div class="column-comment__body">
       <p class="column-comment__label">技工士より</p>
       <p class="column-comment__name">肩書き<strong>名前</strong></p>
       <p>コメント</p>
     </div>
   </div>
========================================================= */

.column-article__body .column-comment {
    display: grid;
    grid-template-columns: 120px minmax(0, 1fr);
    gap: 28px;
    align-items: start;

    margin: 45px 0;
    padding: 30px 32px;

    border: 1px solid #d8ddda;
    border-top: 3px solid #496b5b;
    background: #fbfcfb;
}

.column-article__body .column-comment__photo {
    display: block;

    width: 120px;
    height: 120px;
    margin: 0;

    border-radius: 50%;
    object-fit: cover;
    object-position: 50% 20%;
}

.column-article__body .column-comment__label {
    display: inline-block;

    margin: 0 0 10px;
    padding: 3px 12px;

    background: #496b5b;
    color: #ffffff;

    font-size: 12px;
    font-weight: 600;
    line-height: 1.8;
    letter-spacing: 0.08em;
}

.column-article__body .column-comment__name {
    margin: 0 0 14px;

    color: #5b665f;

    font-size: 13px;
    line-height: 1.7;
}

.column-article__body .column-comment__name strong {
    display: block;

    color: #202824;

    font-size: 18px;
    font-weight: 600;
    letter-spacing: 0.06em;
}

.column-article__body .column-comment__body p:last-child {
    margin-bottom: 0;
}

/* 文章の長い表：スマホでも折り返して表示する */

@media (max-width: 767px) {

    .column-article__body .column-comment {
        grid-template-columns: 72px minmax(0, 1fr);
        gap: 16px;

        padding: 22px 18px;
    }

    .column-article__body .column-comment__photo {
        grid-row: span 2;

        width: 72px;
        height: 72px;
    }

    .column-article__body .column-comment__body {
        display: contents;
    }

    .column-article__body .column-comment__label,
    .column-article__body .column-comment__name {
        grid-column: 2;
    }

    .column-article__body .column-comment__label {
        justify-self: start;
        align-self: end;
        margin-bottom: 4px;
    }

    .column-article__body .column-comment__name {
        margin-bottom: 0;
    }

    .column-article__body .column-comment__body > p:not(.column-comment__label):not(.column-comment__name) {
        grid-column: 1 / -1;
        margin: 6px 0 0;
    }

    .column-article__body table.is-wrap {
        display: table;
        overflow: visible;
        white-space: normal;
        font-size: 13px;
    }

    .column-article__body table.is-wrap th,
    .column-article__body table.is-wrap td {
        padding: 10px 8px;
    }

    .column-article__body table.is-wrap tbody th {
        white-space: nowrap;
    }

}