/*
 * blog.css — コラム（article/ 配下）のデザインシステム
 *
 * body.blog の中だけで効かせる。ツールや解説ページの見た目は変えない。
 * grid.css の html { font-size: 62.5% } があるので px で書く。12px 未満は使わない。間隔は 8px 刻み。
 * 広告の位置・順序は変えない（.header-ad・.news のコードには触れず、周囲の余白と見出しの大きさだけ整える）。
 */

body.blog {
    --bl-ink: #111b2e;
    --bl-ink-2: #4a5568;
    --bl-paper: #f3f5f7;
    --bl-panel: #ffffff;
    --bl-line: #dde3ea;
    --bl-link: #1e6b57;
    --bl-cta: #d9a441;
    --bl-cta-2: #111b2e;
    --bl-ad-bg: #f3f5f7;
    background: var(--bl-paper);
    color: var(--bl-ink);
    font-family: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", Meiryo, sans-serif;
    line-break: strict;
}
body.blog :focus-visible {
    outline: 3px solid var(--bl-cta);
    outline-offset: 2px;
}

/* ---- ヘッダ: HTML と広告行はそのまま、余白だけ詰める ---- */
body.blog header .head {
    padding-top: 0;
}
@media (min-width: 769px) {
    body.blog:not(.arena) header .head .site-title {
        padding: 8px 0 0;
    }
}
body.blog .mainimg {
    display: none;
}
body.blog main {
    padding-top: 16px;
}

/* ---- レイアウト ---- */
@media (min-width: 1024px) {
    body.blog main .container {
        max-width: 1120px;
    }
    body.blog main .container > .row {
        flex-direction: row;
        justify-content: space-between;
        gap: 40px;
    }
    body.blog main .container > .row > .col.span-8 {
        flex: 1 1 auto;
        width: auto;
        min-width: 0;
        max-width: 760px;
        margin: 0;
    }
    body.blog main .container > .row > .col.span-4 {
        flex: 0 0 300px;
        width: 300px;
        max-width: 300px;
        margin: 0;
    }
}
/* 768〜1023px は 1 カラム。本文は中央寄せ */
@media (max-width: 1023px) {
    body.blog main .container > .row {
        flex-direction: column;
    }
    body.blog main .container > .row > .col.span-8,
    body.blog main .container > .row > .col.span-4 {
        width: 100%;
        max-width: 760px;
        margin: 0 auto;
    }
}
/* スマホ: 記事面の枠を外して本文幅を確保する（左右 16px） */
@media (max-width: 767px) {
    body.blog main .container {
        padding: 0 16px;
    }
    body.blog main .container > .row > .col.span-8 {
        padding: 0;
        background: transparent;
        border: 0;
        border-radius: 0;
        box-shadow: none;
    }
    /* 関連シミュレーター・記事は本文の直後の枠と重複するので、広告領域までの距離を縮める（広告の順序は不変） */
    body.blog .article-side {
        display: none;
    }
    /* パンくずは 1 行に収める。末尾の記事名は省略表示（構造化データとリンクは変えない） */
    body.blog-article nav.breadcrumb {
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
}

/* ---- 見出し・本文 ---- */
body.blog main .fx_article {
    color: var(--bl-ink);
}
body.blog.article-page main .fx_article h1,
body.blog.article-page .article-list-head h1 {
    border: 0;
    padding: 0;
    margin: 0 0 8px;
    font-size: 30px;
    font-weight: 800;
    line-height: 1.45;
    color: var(--bl-ink);
    font-feature-settings: "palt";
}
body.blog .article-body {
    max-width: 680px;
}
body.blog .article-body h2 {
    margin: 48px 0 16px;
    padding: 0 0 8px;
    font-size: 23px;
    line-height: 1.5;
    color: var(--bl-ink);
    border: 0;
    border-bottom: 2px solid var(--tu-accent);
    scroll-margin-top: 16px;
    font-feature-settings: "palt";
}
body.blog .article-body h3 {
    margin: 32px 0 8px;
    padding-left: 12px;
    font-size: 19px;
    line-height: 1.55;
    color: var(--bl-ink);
    border-left: 3px solid var(--bl-line);
}
body.blog .article-body a:not(.article-inline-tool__cta):not(.article-meta__theme) {
    color: var(--bl-link);
    text-decoration: underline;
    text-underline-offset: 2px;
}
body.blog .article-body .article-meta {
    align-items: center;
    margin: 0 0 16px;
    color: var(--bl-ink-2);
}
body.blog .article-body a.article-meta__theme {
    display: inline-block;
    padding: 2px 8px;
    font-size: 13px;
    font-weight: 700;
    color: var(--tu-accent);
    text-decoration: none;
    background: var(--tu-accent-soft);
    border-radius: 12px;
}
/* 既存のリスト: 階層が分かるだけの余白に抑える */
body.blog .article-body ul,
body.blog .article-body ol {
    padding-left: 20px;
}
body.blog .article-body li {
    margin-bottom: 8px;
}

/* ---- 表: 表だけを横スクロールさせ、ページ全体は動かさない ---- */
body.blog .article-table-scroll,
body.blog .article-body .table-scroll {
    margin: 0 0 24px;
    border: 1px solid var(--bl-line);
    border-radius: 8px;
    background: var(--bl-panel);
}
body.blog .article-body table {
    width: 100%;
    min-width: 480px;
    border-collapse: collapse;
    font-size: 15px;
    line-height: 1.6;
}
body.blog .article-body th,
body.blog .article-body td {
    padding: 8px 12px;
    text-align: left;
    vertical-align: top;
    font-size: 15px;
    line-height: 1.6;
    border-bottom: 1px solid var(--bl-line);
}
body.blog .article-body th {
    font-weight: 700;
    background: var(--bl-paper);
    color: var(--bl-ink);
}
body.blog .article-body tr:last-child td {
    border-bottom: 0;
}

/* 計算式の整形済みテキスト（#023 など）。ページ全体を横に広げないよう枠の中で折り返す */
body.blog .article-body pre {
    margin: 0 0 24px;
    padding: 12px 16px;
    overflow-x: auto;
    max-width: 100%;
    box-sizing: border-box;
    font-size: 15px;
    line-height: 1.7;
    white-space: pre-wrap;
    overflow-wrap: anywhere;
    background: var(--bl-panel);
    border: 1px solid var(--bl-line);
    border-radius: 8px;
}

/* ---- 目次 ---- */
body.blog .article-toc {
    margin: 0 0 32px;
    padding: 0;
    text-align: left;
    background: var(--bl-panel);
    border: 1px solid var(--bl-line);
    border-radius: 8px;
}
body.blog .article-toc summary {
    min-height: 48px;
    padding: 12px 16px;
    box-sizing: border-box;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
}
body.blog .article-toc ol {
    margin: 0;
    padding: 0 16px 16px 36px;
}
body.blog .article-body .article-toc li {
    margin: 0;
    font-size: 15px;
    line-height: 1.6;
}
body.blog .article-body .article-toc a {
    display: block;
    padding: 4px 0;
}

/* ---- 本文中のツール案内: 広告と混同しないよう、白地＋カテゴリ色の上線＋「シミュレーター」明記 ---- */
body.blog .article-inline-tool {
    margin: 0 0 24px;
    padding: 16px;
    background: var(--bl-panel);
    border: 1px solid var(--bl-line);
    border-top: 3px solid var(--tu-accent);
    border-radius: 8px;
}
body.blog .article-body .article-inline-tool p {
    margin: 0 0 8px;
}
body.blog .article-body .article-inline-tool__eyebrow {
    font-size: 13px;
    font-weight: 700;
    line-height: 1.5;
    color: var(--tu-accent);
}
body.blog .article-body .article-inline-tool__lead {
    font-size: 15px;
    line-height: 1.7;
    color: var(--bl-ink-2);
}
body.blog .article-body .article-inline-tool__name {
    font-size: 16px;
    font-weight: 700;
    line-height: 1.5;
}
body.blog .article-body .article-inline-tool__hook {
    font-size: 16px;
    line-height: 1.7;
    font-variant-numeric: tabular-nums;
}
body.blog .article-body a.article-inline-tool__cta {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    margin-top: 12px;
    padding: 0 16px;
    font-size: 16px;
    font-weight: 700;
    color: var(--bl-ink);
    text-decoration: none;
    background: var(--bl-cta);
    border-radius: 8px;
}
body.blog .article-body a.article-inline-tool__cta:hover {
    filter: brightness(1.05);
    color: var(--bl-ink);
}
body.blog .article-body .article-mid-link {
    margin: 24px 0 0;
    padding: 12px 16px;
    font-size: 15px;
    line-height: 1.7;
    background: var(--tu-accent-soft);
    border-radius: 8px;
}

/* ---- 記事末尾 ---- */
body.blog .article-try {
    max-width: 680px;
    background: var(--tu-accent-soft);
    border-left: 0;
    border-top: 3px solid var(--tu-accent);
}
body.blog main .fx_article .article-next h2,
body.blog main .fx_article .article-related h2 {
    margin: 0 0 8px;
    padding: 0;
    font-size: 19px;
    line-height: 1.5;
    color: var(--bl-ink);
    border: 0;
    background: none;
}
body.blog .article-next,
body.blog .article-related {
    max-width: 680px;
    margin: 32px 0 0;
}
body.blog main .fx_article a.article-next__link {
    display: block;
    padding: 16px;
    color: var(--bl-ink);
    text-decoration: none;
    background: var(--bl-panel);
    border: 1px solid var(--bl-line);
    border-radius: 8px;
}
body.blog main .fx_article a.article-next__link:hover {
    border-color: var(--tu-accent);
    color: var(--bl-ink);
}
body.blog .article-next__title {
    display: block;
    font-size: 17px;
    font-weight: 700;
    line-height: 1.6;
}
body.blog .article-next__excerpt {
    display: -webkit-box;
    margin-top: 4px;
    overflow: hidden;
    font-size: 14px;
    line-height: 1.7;
    color: var(--bl-ink-2);
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}
body.blog .article-rows {
    margin: 0;
    padding: 0;
    list-style: none;
    background: var(--bl-panel);
    border: 1px solid var(--bl-line);
    border-radius: 8px;
}
body.blog .article-row + .article-row {
    border-top: 1px solid var(--bl-line);
}
body.blog main .fx_article .article-row a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    min-height: 48px;
    padding: 8px 16px;
    box-sizing: border-box;
    color: var(--bl-ink);
    text-decoration: none;
}
body.blog main .fx_article .article-row a:hover .article-row__title {
    color: var(--bl-link);
    text-decoration: underline;
}
body.blog .article-row__title {
    min-width: 0;
    font-size: 15px;
    line-height: 1.6;
}
body.blog .article-row__read {
    flex: none;
    font-size: 13px;
    color: var(--bl-ink-2);
}
body.blog .article-trust {
    max-width: 680px;
    margin: 32px 0 0;
    padding: 16px 0 0;
    border-top: 1px solid var(--bl-line);
}
body.blog main .fx_article .article-trust p {
    margin: 0 0 8px;
    font-size: 14px;
    line-height: 1.7;
    color: var(--bl-ink-2);
}
body.blog main .fx_article .article-trust ul {
    display: flex;
    flex-wrap: wrap;
    gap: 4px 16px;
    margin: 0;
    padding: 0;
    list-style: none;
    font-size: 14px;
    line-height: 1.7;
}
body.blog main .fx_article .article-trust a {
    color: var(--bl-link);
    text-decoration: underline;
}

/* ---- 広告枠（include/ad_slot.php）。素材があるときだけ出る。サイト内の案内と見分けられるようにする ---- */
body.blog .so-ad-slot {
    max-width: 680px;
    margin: 32px 0;
    padding: 8px 16px 16px;
    text-align: center;
    background: var(--bl-ad-bg);
    border-radius: 8px;
}
body.blog main .fx_article .so-ad-slot__label,
body.blog .so-ad-slot__label {
    margin: 0 0 8px;
    font-size: 13px;
    line-height: 1.5;
    text-align: left;
    color: var(--bl-ink-2);
}
body.blog .so-ad-slot img {
    max-width: 100%;
    height: auto;
}
body.blog .so-ad-slot__pixel {
    position: absolute;
    width: 1px;
    height: 1px;
}

/* ---- 一覧 ---- */
/* .fx_article の ul の字下げを、カード・行の一覧では外す */
body.blog main .fx_article ul.article-cards,
body.blog main .fx_article ul.article-rows,
body.blog main .fx_article ul.blog-themes,
body.blog main .fx_article ul.blog-hot-tools,
body.blog main .fx_article ul.blog-chips,
body.blog main .fx_article ul.blog-links,
body.blog main .fx_article ul.blog-search__results,
body.blog main .fx_article ol.blog-path {
    padding-left: 0;
}
body.blog.article-page main .fx_article .article-tool-compact a,
body.blog.article-page main .fx_article .article-category-block__more a {
    text-decoration: none;
}
body.blog .article-list-head {
    margin: 0 0 24px;
}
body.blog main .fx_article .article-list-head p {
    color: var(--bl-ink-2);
}
body.blog .blog-section {
    margin: 0 0 32px;
}
body.blog main .fx_article .blog-section > h2,
body.blog main .fx_article .article-related-tools > h2 {
    margin: 0 0 12px;
    padding: 0;
    font-size: 21px;
    font-weight: 700;
    line-height: 1.5;
    color: var(--bl-ink);
    border: 0;
    background: none;
}
body.blog main .fx_article .blog-section__lead {
    margin: 0 0 12px;
    font-size: 15px;
    line-height: 1.7;
    color: var(--bl-ink-2);
}

/* テーマのカード */
body.blog .blog-themes {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin: 0;
    padding: 0;
    list-style: none;
}
body.blog main .fx_article .blog-theme a {
    display: flex;
    flex-direction: column;
    gap: 4px;
    height: 100%;
    padding: 16px;
    box-sizing: border-box;
    color: var(--bl-ink);
    text-decoration: none;
    background: var(--bl-panel);
    border: 1px solid var(--bl-line);
    border-top: 3px solid var(--tu-accent);
    border-radius: 8px;
}
body.blog main .fx_article .blog-theme a:hover {
    border-color: var(--tu-accent);
    color: var(--bl-ink);
}
body.blog .blog-theme__name {
    font-size: 16px;
    font-weight: 700;
    line-height: 1.5;
}
body.blog .blog-theme__question {
    flex: 1 1 auto;
    font-size: 14px;
    line-height: 1.6;
    color: var(--bl-ink-2);
}
body.blog .blog-theme__meta {
    font-size: 13px;
    font-weight: 700;
    line-height: 1.5;
    color: var(--tu-accent);
}

/* 順路 */
body.blog .blog-path {
    margin: 0;
    padding: 0;
    list-style: none;
    counter-reset: blog-path;
}
body.blog .blog-path__step {
    position: relative;
    margin: 0;
    counter-increment: blog-path;
}
body.blog .blog-path__step + .blog-path__step {
    border-top: 1px solid var(--bl-line);
}
body.blog main .fx_article .blog-path__step a {
    display: flex;
    align-items: center;
    gap: 12px;
    min-height: 48px;
    padding: 8px 0;
    box-sizing: border-box;
    font-size: 16px;
    line-height: 1.6;
    color: var(--bl-ink);
    text-decoration: none;
}
body.blog main .fx_article .blog-path__step a:hover {
    color: var(--bl-link);
    text-decoration: underline;
}
body.blog main .fx_article .blog-path__step a::before {
    content: counter(blog-path);
    display: flex;
    flex: none;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    font-weight: 700;
    color: #fff;
    background: var(--bl-cta-2);
    border-radius: 50%;
}
body.blog main .fx_article .blog-path__step--tool a {
    font-weight: 700;
}
body.blog main .fx_article .blog-path__step--tool a::before {
    color: var(--bl-ink);
    background: var(--bl-cta);
}

/* ツールの一覧 */
body.blog .blog-hot-tools {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin: 12px 0 0;
}
body.blog .blog-hot-tools .article-tool-compact {
    background: var(--bl-panel);
    border: 1px solid var(--bl-line);
    border-top: 3px solid var(--tu-accent);
    border-radius: 8px;
}
body.blog .blog-hot-tools .article-tool-compact + .article-tool-compact {
    border-top: 3px solid var(--tu-accent);
}
body.blog.article-page .blog-hot-tools .article-tool-compact a {
    height: 100%;
    padding: 12px 16px;
    box-sizing: border-box;
}
body.blog.article-page main .fx_article .blog-theme-tool a.article-tool-card__cta {
    color: var(--bl-ink);
    background: var(--bl-cta);
}

/* クラスタ */
body.blog .blog-cluster {
    margin: 0 0 24px;
}
body.blog main .fx_article .blog-cluster h3 {
    display: flex;
    align-items: baseline;
    gap: 8px;
    margin: 0 0 8px;
    font-size: 18px;
    font-weight: 700;
    line-height: 1.55;
    color: var(--bl-ink);
}
body.blog .blog-cluster__count {
    font-size: 13px;
    font-weight: 400;
    color: var(--bl-ink-2);
}
body.blog .blog-cluster__more {
    margin-top: 8px;
}
body.blog .blog-cluster__more summary {
    min-height: 48px;
    padding: 12px 0;
    box-sizing: border-box;
    font-size: 15px;
    font-weight: 700;
    color: var(--bl-link);
    cursor: pointer;
}

/* チップ・リンクの一覧 */
body.blog .blog-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 0;
    padding: 0;
    list-style: none;
}
body.blog main .fx_article .blog-chips a {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    padding: 4px 12px;
    box-sizing: border-box;
    font-size: 14px;
    line-height: 1.5;
    color: var(--bl-ink);
    text-decoration: none;
    background: var(--bl-panel);
    border: 1px solid var(--bl-line);
    border-radius: 22px;
}
body.blog main .fx_article .blog-chips a:hover {
    border-color: var(--tu-accent);
    color: var(--bl-ink);
}
body.blog .blog-links {
    margin: 0;
    padding: 0;
    list-style: none;
    background: var(--bl-panel);
    border: 1px solid var(--bl-line);
    border-radius: 8px;
}
body.blog .blog-links li + li {
    border-top: 1px solid var(--bl-line);
}
body.blog main .fx_article .blog-links a {
    display: flex;
    align-items: center;
    min-height: 48px;
    padding: 8px 16px;
    box-sizing: border-box;
    font-size: 15px;
    line-height: 1.6;
    color: var(--bl-link);
    text-decoration: underline;
}

/* 検索 */
body.blog .blog-search {
    margin: 16px 0 0;
}
body.blog .blog-section .blog-search {
    margin: 0 0 12px;
}
body.blog .blog-search__label {
    display: block;
    margin-bottom: 4px;
    font-size: 14px;
    font-weight: 700;
    line-height: 1.5;
}
body.blog .blog-search__input {
    display: block;
    width: 100%;
    min-height: 48px;
    padding: 8px 16px;
    box-sizing: border-box;
    font-size: 16px;
    color: var(--bl-ink);
    background: var(--bl-panel);
    border: 2px solid var(--bl-line);
    border-radius: 8px;
    -webkit-appearance: none;
    appearance: none;
}
body.blog .blog-search__input:focus {
    border-color: var(--bl-cta-2);
}
body.blog main .fx_article .blog-search__status {
    margin: 4px 0 0;
    font-size: 14px;
    line-height: 1.6;
    color: var(--bl-ink-2);
}
body.blog main .fx_article .blog-search__status:empty {
    display: none;
}
body.blog .blog-search__results {
    margin: 8px 0 0;
    padding: 0;
    list-style: none;
    background: var(--bl-panel);
    border: 1px solid var(--bl-line);
    border-radius: 8px;
}
body.blog .blog-search__results[hidden] {
    display: none;
}
body.blog .blog-search__results li + li {
    border-top: 1px solid var(--bl-line);
}
body.blog main .fx_article .blog-search__results a {
    display: block;
    padding: 12px 16px;
    font-size: 15px;
    line-height: 1.6;
    color: var(--bl-ink);
    text-decoration: none;
}
body.blog main .fx_article .blog-search__results a:hover {
    color: var(--bl-link);
    text-decoration: underline;
}
body.blog .blog-search__kind {
    display: inline-block;
    margin-right: 8px;
    font-size: 13px;
    font-weight: 700;
    color: var(--bl-link);
}

/* 一覧のカードはスマホで高さを抑える */
body.blog main .fx_article .article-card__excerpt {
    display: -webkit-box;
    overflow: hidden;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

/* ---- サイド ---- */
/* 「外部リンク」の見出しが 9.5px で読めないので、大きさだけ上げる（広告の位置・内容は変えない） */
body.blog .news h3 {
    font-size: 14px;
}

/* ---- スマホ ---- */
@media (max-width: 767px) {
    body.blog.article-page main .fx_article h1,
    body.blog.article-page .article-list-head h1 {
        font-size: 24px;
    }
    body.blog .article-body h2 {
        margin-top: 32px;
        font-size: 21px;
    }
    body.blog .article-body h3 {
        font-size: 18px;
    }
    body.blog .article-body th,
    body.blog .article-body td {
        font-size: 14px;
    }
    body.blog .article-next,
    body.blog .article-related {
        margin-top: 24px;
    }
    body.blog .blog-theme__question {
        font-size: 13px;
    }
    body.blog main .fx_article .blog-theme a {
        padding: 12px;
    }
    /* ツールは 1 列。カード 1 枚の高さを抑える */
    body.blog .blog-hot-tools {
        grid-template-columns: minmax(0, 1fr);
    }
    /* 一覧のカードと同じ情報量のまま余白だけ詰める */
    body.blog .article-card {
        padding: 12px;
    }
    body.blog .article-cards {
        gap: 12px;
    }
    /* カテゴリ一覧の 3 枚のツールカードは、1 枚目以外の文を畳んで高さを抑える */
    body.blog .article-related-tools__grid .article-tool-card + .article-tool-card .article-tool-card__hook {
        display: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    body.blog * {
        scroll-behavior: auto;
    }
}