/* src/public/css/blog.css */
/*
 * ブログ（/blog）まわりのスタイル
 * ・blade（テンプレート）は構造だけを持ち、見た目はこのファイルが担当する
 * ・読み込みは top.blade.php と blog/index.blade.php の <link> から
 *
 * 💡 バナーの形は youtube.css の .yt-banner にそろえています。
 *    並べて置くため、形をそろえて「色だけ」を変える方が見た目が落ち着きます。
 *    （YouTube は赤 ／ ブログはサイト共通の紺色）
 */

/* ========================================================
   トップページのブログ案内バナー
   ======================================================== */

.blog-banner {
    display: flex;
    align-items: center;
    gap: 18px;
    background: #ffffff;
    border-radius: 12px;
    padding: 20px 24px;
    margin-top: 25px;
    text-decoration: none;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    /* 💡 YouTube バナーの赤に対して、こちらはサイト共通の紺色で区別します */
    border-left: 5px solid #1e3c72;
    transition: transform 0.2s, box-shadow 0.2s;
}

.blog-banner:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.09);
}

.blog-banner-icon {
    flex: none;
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: linear-gradient(135deg, #1e3c72, #2a5298);
    color: #ffffff;
    font-size: 1.6rem;
}

.blog-banner-text {
    flex: 1 1 auto;
    min-width: 0;
}

.blog-banner-text h2 {
    font-size: 1.15rem;
    color: #1e3c72;
    margin: 0 0 5px;
}

.blog-banner-text p {
    font-size: 0.9rem;
    line-height: 1.7;
    color: #666666;
    margin: 0;
}

/* 「準備中」などの状態を示す小さなラベル */
.blog-banner-badge {
    display: inline-block;
    background: #eef2f8;
    color: #2a5298;
    font-size: 0.72rem;
    font-weight: 700;
    padding: 2px 9px;
    border-radius: 99px;
    margin-left: 8px;
    vertical-align: middle;
}

.blog-banner-arrow {
    flex: none;
    color: #b9c4d1;
    font-size: 1rem;
}

/* ========================================================
   ブログ一覧ページ（/blog）
   ======================================================== */

.blog-lead {
    background: #ffffff;
    border-left: 4px solid #1e3c72;
    border-radius: 10px;
    padding: 18px 22px;
    margin: 20px 0 22px;
    line-height: 1.85;
    color: #444444;
    font-size: 0.95rem;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.blog-lead strong {
    color: #1e3c72;
}

/* 記事がまだ1本も無いときの案内 */
.blog-empty {
    background: #ffffff;
    border-radius: 12px;
    padding: 30px 26px;
    text-align: center;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.blog-empty-icon {
    color: #b9c4d1;
    font-size: 2.4rem;
    margin-bottom: 12px;
}

.blog-empty h2 {
    font-size: 1.15rem;
    color: #1e3c72;
    margin: 0 0 10px;
}

.blog-empty p {
    font-size: 0.95rem;
    line-height: 1.8;
    color: #666666;
    margin: 0 0 8px;
}

/* 予定している内容の一覧 */
.blog-topics {
    list-style: none;
    margin: 18px auto 22px;
    padding: 0;
    max-width: 560px;
    text-align: left;
}

.blog-topics li {
    position: relative;
    padding: 9px 0 9px 26px;
    border-bottom: 1px dashed #e3e8ef;
    font-size: 0.92rem;
    line-height: 1.7;
    color: #444444;
}

.blog-topics li:last-child {
    border-bottom: none;
}

/* 💡 行頭の印は CSS で付けています（HTML 側に記号を書かないため） */
.blog-topics li::before {
    content: "\f0a4";              /* Font Awesome の指差しアイコン */
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    position: absolute;
    left: 0;
    top: 9px;
    color: #2a5298;
    font-size: 0.85rem;
}

/* 一覧ページ下部の戻り導線 */
.blog-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin-top: 6px;
}

/* 💡 共通の .btn-primary（style.css）は <button> 用のため、
       リンクに使うとブラウザ標準の下線が付きます。
       共通CSSは触らず、このページの分だけここで打ち消します */
.blog-actions .btn-primary {
    display: inline-block;
    text-decoration: none;
}

/* ========================================================
   カテゴリの絞り込み
   ======================================================== */

.blog-categories {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 0 0 18px;
}

.blog-category-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: #ffffff;
    color: #2a5298;
    font-size: 0.85rem;
    font-weight: 600;
    text-decoration: none;
    padding: 7px 14px;
    border-radius: 99px;
    border: 1px solid #dde4ee;
    transition: background 0.2s, color 0.2s;
}

.blog-category-chip:hover {
    background: #eef2f8;
}

/* いま選ばれているカテゴリ */
.blog-category-chip.is-current {
    background: #2a5298;
    border-color: #2a5298;
    color: #ffffff;
}

.blog-category-count {
    font-size: 0.72rem;
    opacity: 0.75;
}

/* ========================================================
   記事一覧（カード）
   ======================================================== */

.blog-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.blog-card-link {
    display: flex;
    align-items: center;
    gap: 16px;
    background: #ffffff;
    border-radius: 12px;
    padding: 16px 20px;
    text-decoration: none;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    transition: transform 0.2s, box-shadow 0.2s;
}

.blog-card-link:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.09);
}

.blog-card-thumb {
    flex: none;
    width: 120px;
    height: 80px;
    border-radius: 8px;
    overflow: hidden;
    background: #eef2f8;
}

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

.blog-card-body {
    flex: 1 1 auto;
    min-width: 0;
}

.blog-card-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 0.78rem;
    color: #8b97a6;
    margin-bottom: 6px;
}

.blog-card-category {
    background: #eef2f8;
    color: #2a5298;
    font-weight: 700;
    padding: 2px 9px;
    border-radius: 99px;
}

.blog-card-title {
    font-size: 1.05rem;
    color: #1e3c72;
    margin: 0 0 6px;
    line-height: 1.5;
    word-break: break-word;
}

.blog-card-text {
    font-size: 0.87rem;
    line-height: 1.7;
    color: #666666;
    margin: 0;
}

.blog-card-arrow {
    flex: none;
    color: #b9c4d1;
    font-size: 1rem;
}

/* ========================================================
   ページ送り
   ======================================================== */

.blog-pager {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    margin-top: 22px;
}

.blog-pager-btn {
    background: #2a5298;
    color: #ffffff;
    font-size: 0.88rem;
    font-weight: bold;
    text-decoration: none;
    padding: 9px 16px;
    border-radius: 8px;
    transition: background 0.2s;
}

.blog-pager-btn:hover {
    background: #1e3c72;
}

.blog-pager-status {
    font-size: 0.85rem;
    color: #8b97a6;
}

/* ========================================================
   記事ページ
   ======================================================== */

.blog-article {
    background: #ffffff;
    border-radius: 12px;
    padding: 28px 32px;
    margin-top: 20px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.blog-article-head {
    border-bottom: 1px solid #eef1f5;
    padding-bottom: 16px;
    margin-bottom: 20px;
}

.blog-article-category {
    display: inline-block;
    background: #eef2f8;
    color: #2a5298;
    font-size: 0.78rem;
    font-weight: 700;
    text-decoration: none;
    padding: 3px 11px;
    border-radius: 99px;
    margin-bottom: 10px;
}

.blog-article-title {
    font-size: 1.5rem;
    line-height: 1.5;
    color: #1e3c72;
    margin: 0 0 12px;
    word-break: break-word;
}

.blog-article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    font-size: 0.8rem;
    color: #8b97a6;
}

/* ---------- 目次 ---------- */

.blog-toc {
    background: #f7f9fc;
    border: 1px solid #e6ecf4;
    border-radius: 10px;
    padding: 16px 20px;
    margin-bottom: 24px;
}

.blog-toc-title {
    font-size: 0.95rem;
    font-weight: bold;
    color: #1e3c72;
    margin: 0 0 10px;
}

.blog-toc-list {
    list-style: none;
    margin: 0;
    padding: 0;
    counter-reset: toc;
}

.blog-toc-item a {
    color: #2a5298;
    font-size: 0.9rem;
    line-height: 1.9;
    text-decoration: none;
}

.blog-toc-item a:hover {
    text-decoration: underline;
}

/* h3（小見出し）は1段下げて表示します */
.blog-toc-item.level-3 {
    padding-left: 18px;
}

.blog-toc-item.level-3 a {
    font-size: 0.85rem;
    color: #667a99;
}

/* ---------- 本文 ---------- */

/*
 * 💡 ここから下は「Markdown から自動で作られるHTML」の見た目です。
 *    記事側にclassを書かなくても整うよう、要素そのものに指定しています。
 */

.blog-body {
    font-size: 1rem;
    line-height: 1.95;
    color: #333333;
    word-break: break-word;
}

.blog-body h2 {
    font-size: 1.25rem;
    color: #1e3c72;
    margin: 36px 0 14px;
    padding: 8px 0 8px 14px;
    border-left: 5px solid #2a5298;
    background: #f7f9fc;
    border-radius: 0 6px 6px 0;
    line-height: 1.5;
    /* 💡 目次のリンクで飛んだとき、見出しがヘッダーの下に隠れないようにする余白 */
    scroll-margin-top: 20px;
}

.blog-body h3 {
    font-size: 1.08rem;
    color: #1e3c72;
    margin: 28px 0 10px;
    padding-bottom: 6px;
    border-bottom: 2px solid #e6ecf4;
    line-height: 1.5;
    scroll-margin-top: 20px;
}

.blog-body p {
    margin: 0 0 18px;
}

.blog-body a {
    color: #2a5298;
    font-weight: 600;
}

.blog-body ul,
.blog-body ol {
    margin: 0 0 20px;
    padding-left: 1.4em;
}

.blog-body li {
    margin-bottom: 8px;
}

.blog-body strong {
    color: #1e3c72;
}

.blog-body img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    display: block;
    margin: 6px 0 20px;
}

/* 引用（> で始めた行） */
.blog-body blockquote {
    margin: 0 0 20px;
    padding: 12px 18px;
    background: #f7f9fc;
    border-left: 4px solid #b9c4d1;
    border-radius: 0 6px 6px 0;
    color: #555555;
}

.blog-body blockquote p:last-child {
    margin-bottom: 0;
}

/* 表 */
/* 💡 スマホでは横にはみ出すため、表だけ横スクロールできるようにしています */
.blog-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 0 0 20px;
    font-size: 0.92rem;
    display: block;
    overflow-x: auto;
    white-space: nowrap;
}

.blog-body th,
.blog-body td {
    border: 1px solid #e0e6ef;
    padding: 9px 12px;
    text-align: left;
}

.blog-body th {
    background: #eef2f8;
    color: #1e3c72;
    font-weight: bold;
}

/* 区切り線 */
.blog-body hr {
    border: none;
    border-top: 1px dashed #dde4ee;
    margin: 30px 0;
}

/* コード */
.blog-body code {
    background: #f2f5f9;
    color: #c0392b;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.9em;
}

.blog-body pre {
    background: #2d3748;
    color: #f7fafc;
    padding: 14px 16px;
    border-radius: 8px;
    overflow-x: auto;
    margin: 0 0 20px;
}

.blog-body pre code {
    background: none;
    color: inherit;
    padding: 0;
}

/* ---------- 記事からツールへの導線 ---------- */

.blog-cta {
    display: flex;
    align-items: center;
    gap: 16px;
    background: linear-gradient(135deg, #1e3c72, #2a5298);
    border-radius: 12px;
    padding: 18px 22px;
    margin: 30px 0 6px;
    text-decoration: none;
    transition: transform 0.2s, box-shadow 0.2s;
}

.blog-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(30,60,114,0.25);
}

.blog-cta-icon {
    flex: none;
    width: 46px;
    height: 46px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    background: rgba(255,255,255,0.18);
    color: #ffffff;
    font-size: 1.25rem;
}

.blog-cta-text {
    flex: 1 1 auto;
    min-width: 0;
}

.blog-cta-lead {
    font-size: 0.75rem;
    color: rgba(255,255,255,0.8);
    margin: 0 0 3px;
}

.blog-cta-name {
    font-size: 1.02rem;
    font-weight: bold;
    color: #ffffff;
    margin: 0;
    line-height: 1.5;
}

.blog-cta-arrow {
    flex: none;
    color: rgba(255,255,255,0.85);
}

/* ---------- タグ ---------- */

.blog-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
    list-style: none;
    margin: 22px 0 0;
    padding: 0;
}

.blog-tags li {
    background: #f2f5f9;
    color: #7a8799;
    font-size: 0.78rem;
    padding: 3px 10px;
    border-radius: 99px;
}

/* ---------- 関連記事 ---------- */

.blog-related {
    margin-top: 28px;
}

.blog-related-title {
    font-size: 1.1rem;
    color: #1e3c72;
    margin: 0 0 14px;
}

/* ========================================================
   タブレット〜スマホ対応
   ======================================================== */

@media (max-width: 768px) {
    .blog-banner {
        gap: 14px;
        padding: 16px 16px;
        margin-top: 20px;
    }

    .blog-banner-icon {
        width: 44px;
        height: 44px;
        font-size: 1.35rem;
    }

    .blog-banner-text h2 {
        font-size: 1.05rem;
    }

    .blog-banner-text p {
        font-size: 0.85rem;
    }

    /* 💡 狭い画面では矢印を隠して、本文の幅を確保する */
    .blog-banner-arrow {
        display: none;
    }

    .blog-empty {
        padding: 24px 18px;
    }

    .blog-topics li {
        font-size: 0.88rem;
    }

    /* 💡 スマホではボタンを縦に並べ、指で押しやすい幅にする */
    .blog-actions {
        flex-direction: column;
    }

    /* ---------- 一覧のカード ---------- */

    .blog-card-link {
        gap: 12px;
        padding: 14px 14px;
    }

    /* 💡 画面が狭いのでサムネイルを小さくし、文字の幅を確保する */
    .blog-card-thumb {
        width: 86px;
        height: 64px;
    }

    .blog-card-title {
        font-size: 0.98rem;
    }

    /* 💡 説明文は2行までにして、一覧が縦に長くなりすぎないようにする */
    .blog-card-text {
        font-size: 0.82rem;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .blog-card-arrow {
        display: none;
    }

    /* ---------- 記事ページ ---------- */

    .blog-article {
        padding: 20px 16px;
    }

    .blog-article-title {
        font-size: 1.25rem;
    }

    .blog-body {
        font-size: 0.95rem;
        line-height: 1.9;
    }

    .blog-body h2 {
        font-size: 1.12rem;
        margin: 28px 0 12px;
    }

    .blog-body h3 {
        font-size: 1.02rem;
    }

    .blog-toc {
        padding: 14px 16px;
    }

    .blog-cta {
        padding: 15px 16px;
        gap: 12px;
    }

    .blog-cta-name {
        font-size: 0.95rem;
    }

    .blog-cta-arrow {
        display: none;
    }
}