/* ========================================
   NEWS（一覧・詳細）専用スタイル
   - 共通レイアウト（header/footer, .site-main padding-top）は custom.css に委譲
   ======================================== */

/* ------------------------------
   Archive: /news/
------------------------------ */
:root {
    /* TOPページの青（front-page.cssで多用している）に合わせる */
    --news-accent: #3aa1e2;
}

.site-main.news-archive {
    /* main自体は100%にして、内部コンテナ（max-width:1200px）で幅を管理する */
    max-width: 100%;
    margin: 0 auto;
    /* 念のため header と被らないように main 側でも上余白を保証（custom.cssと同値） */
    padding-top: 250px;
}

.news-archive {
    padding: 0px 20px 0px 20px;
    box-sizing: border-box;
}

.news-archive__container {
    /* 一覧/詳細で共通の「コンテンツ最大幅」 */
    max-width: 1200px;
    margin: 0 auto;
    box-sizing: border-box; /* padding込みで max-width:1200 に収める */
}

.news-archive__header {
    text-align: center;
    margin-bottom: 28px;
}

.news-archive__title {
    font-size: 40px;
    line-height: 1.2;
    margin: 0 0 8px;
}

.news-archive__subtitle {
    font-size: 14px;
    margin: 0;
    color: #666;
}

.news-archive__count {
    margin: 0 0 18px;
    font-size: 18px;
    color: #777;
    text-align: center;
    border-bottom: 3px solid #e9e9e9;
    padding-bottom: 30px;
}

/* 詳細ページはパンくずを表示 */
.news-archive__count--single {
    color: #777;
}

.column-breadcrumb {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin: 0;
    padding: 0;
    font-size: 18px;
}

.column-breadcrumb__item a {
    color: inherit;
    text-decoration: none;
}

.column-breadcrumb__item a:hover {
    color: var(--news-accent);
}

.column-breadcrumb__sep {
    color: #999;
}

.column-breadcrumb__item--current {
    overflow-wrap: anywhere;
    word-break: break-word;
}

.news-archive__posts {
    display: grid;
    grid-template-columns: 1fr;
    gap: 18px;
}

.news-archive__layout {
    /* 要件: max-width:1200px内で2カラム（gap:70px / 右:310px / 左:残り） */
    display: flex;
    gap: 70px;
    align-items: flex-start;
}

.news-archive__main {
    min-width: 0;
    width: calc(100% - 310px - 70px);
}

.news-archive__sidebar {
    width: 311px;
    max-width: 311px;
    flex: 0 0 311px;
    position: static;
    top: auto;
    padding-top: 18px;
}

.news-archive__sidebar-block {
    border-radius: 12px;
    padding: 16px 0 16px 0;
    background: #fff;
    box-sizing: border-box;
}

.news-archive__sidebar-block + .news-archive__sidebar-block {
    margin-top: 18px;
}

.news-archive__featured-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.news-archive__featured-link {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 12px;
    padding: 14px 10px;
    text-decoration: none;
    color: inherit;
    border-radius: 10px;
    border-bottom: 1px solid #e6e6e6;
    transition:
        transform 0.2s ease,
        box-shadow 0.2s ease;
}

.news-archive__featured-link:hover {
    transform: translateY(-6px);
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.08);
    border-bottom-color: var(--news-accent);
}

.news-archive__featured-thumb {
    width: 120px;
    height: 80px;
    border-radius: 8px;
    overflow: hidden;
    background: #f2f2f2;
    display: block;
}

.news-archive__featured-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.news-archive__featured-thumb-placeholder {
    display: block;
    width: 100%;
    height: 100%;
}

.news-archive__featured-body {
    display: block;
}

.news-archive__featured-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 6px;
}

.news-archive__featured-badge {
    display: inline-block;
    padding: 2px 10px;
    font-size: 12px;
    border-radius: 999px;
    background: #3aa1e2;
    color: #ffffff;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.news-archive__featured-date {
    display: inline-block;
    font-size: 18px;
    color: #555;
}

.news-archive__featured-title {
    display: block;
    font-size: 18px;
    line-height: 1.5;
    overflow: hidden;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
}

.news-archive__sidebar-title {
    font-size: 20px;
    margin: 0 0 12px;
    padding-bottom: 10px;
    border-bottom: 1px solid #e9e9e9;
    position: relative;
}

.news-archive__sidebar-title::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -1px;
    width: 96px;
    height: 3px;
    background: var(--news-accent);
    border-radius: 999px;
}

.news-archive__search-form {
    display: flex;
    gap: 0;
    align-items: stretch;
}

.news-archive__search-input {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid #d9d9d9;
    border-right: 0;
    border-radius: 10px 0 0 10px;
    font-size: 14px;
    box-sizing: border-box;
    /* フォーカス時にブラウザ標準の黒いアウトラインが出るのを防ぐ（枠色自体は変更しない） */
    outline: none;
}

.news-archive__search-input:focus,
.news-archive__search-input:focus-visible {
    outline: none;
}

.news-archive__search-button {
    width: 46px;
    padding: 0;
    border-radius: 0 10px 10px 0;
    border: 1px solid #d9d9d9;
    background: #fff;
    color: var(--news-accent); /* SVGは currentColor で着色 */
    cursor: pointer;
    display: grid;
    place-items: center;
    position: relative;
}

.news-archive__search-icon svg {
    display: block;
}

.news-archive__search-button-text {
    /* 画面には出さず、読み上げ用のテキストとして残す */
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.news-archive__search-button:hover {
    background: #f7fbfe;
    border-color: var(--news-accent);
}

.news-archive__category-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 8px;
}

.news-archive__category-item-link {
    display: block;
    padding: 8px 10px;
    border-radius: 10px;
    text-decoration: none;
    color: inherit;
    background: #f7f7f7;
    position: relative;
    padding-right: 26px;
    border: 1px solid transparent;
    transition:
        color 0.2s ease,
        text-decoration-color 0.2s ease;
}

.news-archive__category-item {
    border-bottom: 2px solid transparent;
    transition:
        border-bottom-color 0.2s ease,
        transform 0.2s ease;
}

.news-archive__category-item:hover {
    border-bottom-color: #187bb8;
    transform: translateY(-6px);
}

.news-archive__category-item-link::after {
    content: ">";
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    color: #187bb8;
}

/* サイドバー: タグクラウド（カテゴリ・キーワード） */
.news-archive__tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 10px;
    align-items: center;
    margin: 0;
    padding: 0;
    line-height: 1.4;
}

.news-archive__tag-cloud a {
    display: inline-block;
    text-decoration: none;
    transition:
        color 0.2s ease,
        border-color 0.2s ease,
        background-color 0.2s ease;
}

/* キーワード（タグ）クラウド（「4 5 6」「1 2 3」などのタグの内容を黒に / .tag-cloud-link は WordPress が付与） */
.news-archive__tag-cloud--tag a,
.news-archive__tag-cloud--tag a:link,
.news-archive__tag-cloud--tag a:visited,
.news-archive__tag-cloud--tag a.tag-cloud-link,
.news-archive__tag-cloud--tag a[class*="tag-link-"] {
  padding: 6px 12px;
  border-radius: 8px;
  background: #fff;
  border: 1px solid #333;
  color: #111 !important;
  text-decoration: none;
}

.news-archive__tag-cloud--tag a::before {
  content: "#";
  margin-right: 2px;
}

.news-archive__tag-cloud--tag a:hover,
.news-archive__tag-cloud--tag a:focus,
.news-archive__tag-cloud--tag a:visited:hover,
.news-archive__tag-cloud--tag a.tag-cloud-link:hover,
.news-archive__tag-cloud--tag a[class*="tag-link-"]:hover {
  border-color: #333;
  color: #111 !important;
  text-decoration: none;
}

/* サイドバー「タグから探す」内のリンクを確実に黒・無下線で上書き（他テーマ・WPのスタイルより優先） */
.news-archive__tags-block .news-archive__tag-cloud--tag a,
.news-archive__tags-block .news-archive__tag-cloud--tag a:link,
.news-archive__tags-block .news-archive__tag-cloud--tag a:visited,
.news-archive__tags-block .news-archive__tag-cloud--tag a:hover,
.news-archive__tags-block .news-archive__tag-cloud--tag a:focus {
  color: #111 !important;
  text-decoration: none !important;
}

.news-archive .news-archive__sidebar .news-archive__tags-block a,
.news-archive .news-archive__sidebar .news-archive__tags-block a:hover,
.news-archive .news-archive__sidebar .news-archive__tags-block a:visited {
  color: #111 !important;
  text-decoration: none !important;
}

.news-archive__filters-clear {
    margin-top: 10px;
}

.news-archive__filters-clear-link {
    font-size: 13px;
    color: #187bb8;
    text-decoration: none;
}

.news-archive__filters-clear-link:hover {
    text-decoration: underline;
}

.news-archive__item {
    border-bottom: 3px solid #e9e9e9;
    padding: 40px 10px 40px 10px;
    position: relative; /* stretched-link の基準 */
    transition:
        transform 0.2s ease,
        box-shadow 0.2s ease,
        border-bottom-color 0.2s ease;
}

.news-archive__item:hover {
    border-bottom-color: var(--news-accent);
    transform: translateY(-6px);
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.08);
}

.news-archive__contact {
    padding: 40px 0;
    display: flex;
    justify-content: center;
}

.news-archive__contact-link {
    display: block;
    width: min(600px, 100%);
}

.news-archive__contact-image {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 999px;
}

.news-archive__link {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 40px;
    text-decoration: none;
    color: inherit;
    align-items: start;
    position: relative; /* stretched-link の基準（保険） */
}

.news-archive__stretched-link {
    position: absolute;
    inset: 0;
    z-index: 1;
    /* 見た目に影響を出さない */
    background: transparent;
}

.news-archive__thumbnail,
.news-archive__content {
    position: relative;
    z-index: 0;
}

.news-archive__thumbnail {
    width: 100%;
    border-radius: 10px;
    overflow: hidden;
    background: #f5f5f5;
}

.news-archive__thumbnail img {
    display: block;
    width: 100%;
    height: 160px;
    object-fit: cover;
}

.news-archive__thumbnail-placeholder {
    width: 100%;
    height: 160px;
    display: grid;
    place-items: center;
    background: #f2f2f2;
}

.news-archive__thumbnail-placeholder-text {
    font-size: 12px;
    letter-spacing: 0.06em;
    color: #888;
}

.news-archive__content {
    min-width: 0;
    display: flex;
    flex-direction: column;
    min-height: 160px; /* サムネ高さに合わせてタイトルを右下に寄せやすくする */
}

.news-archive__meta {
    display: flex;
    align-items: baseline;
    gap: 8px;
    flex-wrap: wrap; /* タイトルが長い場合は自然に折り返す */
    margin-bottom: 10px;
}

.news-archive__meta .news-archive__categories {
    display: inline-flex;
    gap: 8px;
    flex-wrap: wrap;
}

.news-archive__meta .news-archive__tags {
    display: inline-flex;
    gap: 8px;
    flex-wrap: wrap;
    margin: 0;
    padding: 0;
    list-style: none;
}

.news-archive__meta .news-archive__tag-item {
    margin: 0;
    padding: 0;
}

.news-archive__date {
    display: inline-block;
    font-size: 18px;
    color: #777;
    margin-bottom: 0;
    white-space: nowrap;
    letter-spacing: 0.06em; /* 日付の字間を少し広げる */
    font-variant-numeric: tabular-nums; /* 数字の幅を揃えて見た目を安定させる */
}

.news-archive__categories {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.news-archive__category-link {
    display: inline-block;
    padding: 3px 8px;
    border-radius: 999px;
    background: transparent;
    border: none;
    text-decoration: none;
    color: #3aa1e2;
    font-size: 18px;
    line-height: 1.2;
    position: relative;
    z-index: 2; /* stretched-link より前面にしてカテゴリがクリックできるようにする */
}

.news-archive__category-link:hover {
    border-color: #187bb8;
}

.news-archive__item-title {
    font-size: 20px;
    line-height: 34px;
    margin: 0;
    word-break: break-word;
    margin-top: auto;
    margin-bottom: auto;
}

.news-archive__tags,
.news-archive__tag-list {
    list-style: none;
    margin: 8px 0 0;
    padding: 0;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.news-archive__tag-list {
    margin-top: 0;
}

.news-archive__tag-link {
    display: inline-block;
    padding: 14px 29px;
    border-radius: 8px;
    background: #fff;
    border: 1px solid #333;
    text-decoration: none;
    color: #333;
    font-size: 16px;
    line-height: 1.2;
    position: relative;
    z-index: 2;
}

.news-archive__tag-link::before {
    content: "#";
    margin-right: 2px;
}

.news-archive__tag-link:hover {
    border-color: #187bb8;
    color: #187bb8;
}

/* サイドバー「タグから探す」: news-archive__tags と同じレイアウトで小さめ */
.news-archive__tags--sidebar {
    margin-top: 0;
    margin-bottom: 0;
    gap: 8px;
}

.news-archive__tags-block .news-archive__tags--sidebar .news-archive__tag-link {
    padding: 8px 14px;
    font-size: 13px;
    color: #111 !important;
    border-color: #333;
}

.news-archive__tags-block .news-archive__tags--sidebar .news-archive__tag-link:hover,
.news-archive__tags-block .news-archive__tags--sidebar .news-archive__tag-link:focus {
    color: #111 !important;
    border-color: #333;
}

.news-archive__tags--sidebar .news-archive__tag-link::before {
    content: "";
    margin-right: 0;
}

.news-archive__empty {
    text-align: center;
    padding: 0;
    color: #666;
}

.news-archive__main--empty {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 70vh;
}

.news-archive__main--empty .error-404 {
    max-width: 960px;
    padding: 0 20px;
    text-align: center;
}

.news-archive__main--empty .error-404__title {
    margin: 0;
    font-weight: 900;
    color: #353535;
    font-size: 42px;
    line-height: 52px;
    white-space: nowrap;
}

.news-archive__main--empty .error-404__divider {
    display: block;
    width: 80px;
    height: 4px;
    margin: 24px auto 0;
    background: #3aa1e2;
    border-radius: 999px;
}

.news-archive__main--empty .error-404__button {
    margin-top: 56px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 22px 48px;
    min-width: 360px;
    max-width: 100%;
    background: #3aa1e2;
    border-radius: 999px;
    text-decoration: none;
    font-weight: 700;
    color: #ffffff;
    font-size: 24px;
    line-height: 24px;
    box-sizing: border-box;
    transform: translateZ(0);
    will-change: transform;
    transition:
        transform 160ms ease-out,
        filter 160ms ease-out,
        box-shadow 160ms ease-out;
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.08);
}

.news-archive__main--empty .error-404__button:hover {
    filter: brightness(0.95);
    transform: translateZ(0) scale(1.03);
    box-shadow: 0 14px 30px rgba(0, 0, 0, 0.12);
}

.news-archive__main--empty .error-404__button:focus-visible {
    outline: 3px solid rgba(58, 161, 226, 0.35);
    outline-offset: 3px;
    transform: translateZ(0) scale(1.03);
    box-shadow: 0 14px 30px rgba(0, 0, 0, 0.12);
}

@media (max-width: 430px) {
    .news-archive__main--empty .error-404 {
        padding: 0 16px;
    }

    .news-archive__main--empty .error-404__title {
        font-size: 26px;
        line-height: 34px;
    }

    .news-archive__main--empty .error-404__button {
        min-width: 0;
        width: 100%;
        padding: 18px 24px;
        font-size: 20px;
        line-height: 20px;
    }
}

/* pagination（paginate_linksの<ul>） */
.news-archive__pagination {
    margin-top: 40px;
    display: flex;
    justify-content: center; /* nav自体も中央に寄せて確実に真ん中表示 */
    transform: translateX(calc((310px + 70px) / 2));
}

.news-archive__pagination .page-numbers {
    list-style: none;
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
    padding: 0;
    margin: 0;
}

.news-archive__pagination .page-numbers li {
    margin: 0;
    padding: 0;
}

.news-archive__pagination .page-numbers a,
.news-archive__pagination .page-numbers span {
    display: inline-block;
    padding: 8px 10px;
    border: 1px solid #e6e6e6;
    border-radius: 8px;
    text-decoration: none;
    color: inherit;
    background: #fff;
}

.news-archive__pagination .page-numbers .current {
    background: #187bb8;
    color: #fff;
    border-color: #187bb8;
}

/* ------------------------------
   Single: /news/{slug}/
------------------------------ */
.site-main.news-single {
    /* 詳細も内部コンテナ（max-width:1200px）で幅を管理する */
    max-width: 100%;
    margin: 0 auto;
    /* ✅ 一覧と同じ思想：左右余白は container 側だけで持つ（main には持たせない） */
    padding-left: 0;
    padding-right: 0;
    /* 一覧と同じ上余白を設定 */
    padding-top: 250px;
    /* ファーストビューの高さを固定（ヘッダー + padding-top + コンテンツの最小高さ） */
    min-height: 100vh;
}

/* 個別記事ページでのみヘッダーのNEWSタイトル位置を調整 */
body.single-news .site-header__news-title,
body.single-post .site-header__news-title {
    top: 166px;
}

/* .news-single（= mainにも付いている）では余白を持たない。余白は .site-main と .news-archive__container に集約する */
.news-single {
    padding: 0;
    box-sizing: border-box;
}

.news-single__container {
    max-width: 900px;
    margin: 0 auto;
    box-sizing: border-box;
}

.news-single__header {
    margin-bottom: 40px;
}

.news-single__title {
    font-size: 34px;
    line-height: 1.35;
    margin: 40px 0 10px;
    word-break: break-word; /* 長い単語も適切に改行 */
    overflow-wrap: break-word; /* 単語の途中でも改行可能 */
    word-wrap: break-word; /* 古いブラウザ対応 */
}

.news-single__meta {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 10px;
}

.news-single__date {
    display: inline-block;
    font-size: 14px;
    color: #777;
}

/* 詳細ページでのカテゴリとタグのサイズ調整 */
.news-single__meta .news-archive__categories {
    display: inline-flex;
    gap: 8px;
    flex-wrap: wrap;
}

.news-single__meta .news-archive__category-link {
    font-size: 14px;
}

.news-single__meta .news-archive__tags {
    display: inline-flex;
    gap: 8px;
    flex-wrap: wrap;
    margin: 0 0 0 auto;
    padding: 0;
    list-style: none;
}

.news-single__meta .news-archive__tag-item {
    margin: 0;
    padding: 0;
}

.news-single__meta .news-archive__tag-link {
    font-size: 14px;
    padding: 3px 8px;
}

.news-single__thumbnail {
    margin: 18px 0;
    border-radius: 12px;
    overflow: hidden;
    background: #f5f5f5;
    /* 画像の高さを固定 */
    height: 400px;
    position: relative;
}

.news-single__thumbnail img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover; /* 画像をトリミングしながら固定高さで表示 */
    object-position: center; /* 画像の中央部分を表示 */
}

.news-single__thumbnail-text {
    margin: 38px 0;
    font-size: 15px;
    line-height: 2;
    color: #555;
}

/* サムネイル下の文章でも Enter 2回で2行スペースを表示 */
.news-single__thumbnail-text .news-single__spacer {
    min-height: 2em;
    margin: 0 0 18px 0;
    padding: 0;
}

.news-single__content {
    line-height: 1.9;
}

.news-single__content u,
.news-single__content span[style*="text-decoration:underline"],
.news-single__content span[style*="text-decoration: underline"],
.news-single__content p[style*="text-decoration:underline"],
.news-single__content p[style*="text-decoration: underline"],
.news-single__content p u {
    text-decoration: underline;
    text-decoration-color: #3aa1e2;
    text-decoration-thickness: 2px;
    text-underline-offset: 3px;
}

.news-single__toc {
    border: 1px solid #e6e6e6;
    background: #fff;
    border-radius: 12px;
    padding: 16px;
    margin: 20px 0 26px;
    box-sizing: border-box;
}

.news-single__toc-title {
    font-size: 28px;
    margin: 0 0 40px;
    text-align: center;
    border-bottom: 2px solid var(--news-accent);
    padding-bottom: 10px;
}

.news-single__toc-list {
    margin: 0;
    padding-left: 18px;
    list-style: decimal;
    text-align: left;
}

.news-single__toc-item {
    margin-bottom: 30px;
    font-weight: 700;
    color: rgb(37, 37, 37);
    font-size: 18px;
    line-height: 18px;
    list-style-position: inside;
}

.news-single__toc-item:last-child {
    margin-bottom: 0;
}

.news-single__toc-link {
    color: rgb(37, 37, 37);
    text-decoration: none;
}

.news-single__toc-link:hover {
    text-decoration: underline;
}

.news-single__section {
    margin: 26px 0;
}

.news-single__section-title {
    margin: 60px 0 30px 0;
    padding-bottom: 20px;
    border-bottom: 2px solid;
    font-weight: 700;
    color: rgb(53, 53, 53);
    font-size: 32px;
    line-height: 42px;
}

.news-single__section-image {
    margin: 12px 0;
    border-radius: 12px;
    overflow: hidden;
}

.news-single__section-image img {
    width: 100%;
    height: auto;
    display: block;
}

.news-single__section-text {
    line-height: 1.9;
}

.news-single__section-text h3,
.news-single__section-text h4 {
    display: inline-block;
    margin: 18px 0 10px;
    padding: 4px 12px;
    border-radius: 999px;
    background: #eff8fd;
    color: #187bb8;
    font-size: 16px;
    font-weight: 700;
    line-height: 1.6;
}

.news-single__section-subheading {
    display: block;
    margin: 40px 0 20px;
    padding: 6px 0 6px 14px;
    border-left: 4px solid #3aa1e2;
    color: rgb(53, 53, 53);
    font-size: 28px;
    font-weight: 700;
    line-height: 38px;
}

.news-single__section-subheading-text {
    margin: 12px 0 0;
    line-height: 1.9;
    color: #333;
}

/* 段落間に余白を設定（空行のように見せる） */
.news-single__section-text p {
    margin: 0 0 18px 0;
    min-height: 1em; /* 空の段落にも最小高さを設定 */
}

.news-single__section-text p:last-child {
    margin-bottom: 0;
}

/* 空の段落（空行）にも高さを確保 */
.news-single__section-text p:empty {
    min-height: 18px;
    margin-bottom: 18px;
}

/* Enter 2回で2行分のスペースを表示（.news-single__spacer は PHP で付与） */
.news-single__section-text .news-single__spacer,
.news-single__section-subheading-text .news-single__spacer {
    min-height: 1.9em;
    margin: 0 0 18px 0;
    padding: 0;
}

/* アンダーラインのスタイル */
.news-single__section-text u,
.news-single__section-text p[style*="text-decoration:underline"],
.news-single__section-text p[style*="text-decoration: underline"] {
    text-decoration: underline;
    text-decoration-color: #3aa1e2;
    text-decoration-thickness: 2px;
    text-underline-offset: 3px;
}

.news-single__navigation {
    margin-top: 26px;
}

.news-single__back-link {
    text-decoration: none;
    color: #187bb8;
    font-weight: 600;
}

.news-single__back-link:hover {
    text-decoration: underline;
}

/* ------------------------------
   Responsive
------------------------------ */
@media (max-width: 768px) {
    .news-archive__link {
        display: flex;
        flex-direction: column-reverse;
        gap: 16px;
    }

    .news-archive__category-item-link {
        padding-right: 10px;
    }

    .news-archive__category-item-link::after {
        content: none;
    }

    .news-archive__thumbnail img,
    .news-archive__thumbnail-placeholder {
        height: 180px;
    }
}

/* 2カラムが詰まって重なりやすい中間幅では、早めに1カラムへ落とす */
@media (max-width: 1024px) {
    .news-archive__layout {
        flex-direction: column;
        gap: 24px;
    }

    .news-archive__sidebar {
        width: 100%;
        max-width: 100%;
        flex: 0 0 auto;
        position: static;
        top: auto;
    }

    .news-archive__main {
        width: 100%;
    }

    .news-archive__contact {
        transform: none;
    }

    .news-archive__pagination {
        transform: none;
    }
}

@media (max-width: 430px) {
    .site-main.news-archive,
    .site-main.news-single {
        padding-top: 120px;
    }

    .site-main.news-archive {
        padding-top: 120px;
        padding-left: 0;
        padding-right: 0;
    }

    .news-archive {
        padding: 32px 20px;
    }

    .news-archive__container {
        padding: 0;
    }

    .news-single {
        padding: 170px 0 32px;
    }

    .news-single__container {
        max-width: 100%;
    }

    .news-archive__title {
        font-size: 28px;
    }

    .news-archive__item-title {
        font-size: 18px;
    }

    .news-single__title {
        font-size: 22px;
    }

    .news-single__toc-link {
        font-size: 15px;
    }

    .news-single__section-title {
        font-size: 21px;
        line-height: 1.875;
    }

    .news-single__section-subheading {
        font-size: 20px;
    }

    body.single-news .site-header__news-title,
    body.single-post .site-header__news-title {
        top: 84px;
    }

    .news-archive__count,
    .news-archive__count--single {
        font-size: 14px;
        line-height: 1.4;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .news-archive__count--single {
        min-height: 2.8em; /* SPの2行分の高さに合わせて区切り線位置を揃える */
        white-space: normal;
        overflow: visible;
        text-overflow: clip;
    }

    .column-breadcrumb {
        font-size: 14px;
    }

    .news-archive__search {
        display: none;
    }

    /* SPサイズでは画像の高さを調整 */
    .news-single__thumbnail {
        height: 250px;
    }

    /* SPのときは記事側タグもサイドバーと同じサイズにする */
    .news-archive__tag-link {
        padding: 8px 14px;
        font-size: 13px;
    }
}