/* =========================================================
   プレミアム・ネイビー・建設ブログ専用デザイン V5（完全版）
   カード表示を「1重」に統一し、アニメーションを強化
   統合修正: 楽天ボタンの白文字強制固定済
   統合修正: 画像・Mermaidの物理的幅制限（720px）適用済
   ========================================================= */

/* --- 1. 基本設定と変数 --- */
:root {
    --primary-navy: #0f172a;
    --primary-slate: #94a3b8;
    --accent-crimson: #bf0000;
    --text-main: #333333;
    --text-dark: #1a1a1a;
    --bg-light: #f1f5f9;
    --border-color: #e2e8f0;
    --shadow-main: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --h1-size: 32px;
    --h2-size: 28px;
    --h3-size: 22px;
    --body-size: 18px;
    --line-height: 1.8;
}

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;700;800&family=Shippori+Mincho:wght@400;700;800&family=Outfit:wght@400;700&display=swap');

/* --- 全体基本（レイアウトを壊さないよう修正） --- */
* {
    box-sizing: border-box;
}

body {
    font-family: 'Shippori Mincho', 'Meiryo', serif;
    line-height: var(--line-height);
    color: var(--text-main);
    background-color: #ffffff;
    margin: 0;
    padding: 0;
}

/* --- トータル・センタリング設定（ヘッダー、パンくず、コンテンツを一括中央寄せ） --- */
#header,
#header-inner,
#blog-title,
#blog-title-inner,
#top-box,
#footer,
#footer-inner {
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    width: 100%;
    box-sizing: border-box;
    padding-left: 20px;
    padding-right: 20px;
}

/* --- 記事とサイドバーの横並びレイアウト (V6 Premium Layout) --- */
#content > #content-inner {
    max-width: 1200px !important;
    margin: 0 auto !important;
    display: flex !important;
    flex-direction: row !important;
    justify-content: center !important;
    align-items: flex-start !important;
    gap: 40px !important;
    padding: 0 20px !important;
}

/* メインエリア（#wrapper または #main）の既存レイアウトをリセット */
#wrapper {
    flex: 1 !important;
    min-width: 0 !important;
    max-width: 840px !important;
    margin: 0 !important;
}

#main {
    padding: 2rem 0 !important;
    width: 100% !important;
}

#box2 {
    width: 300px !important;
    flex-shrink: 0 !important;
    margin: 0 !important;
    padding-top: 2rem !important;
}

@media (max-width: 950px) {
    #content > #content-inner {
        flex-direction: column !important;
        align-items: center !important;
        gap: 20px !important;
    }

    #wrapper,
    #main {
        max-width: 100% !important;
        width: 100% !important;
    }

    #box2 {
        width: 100% !important;
        margin-left: 0 !important;
        padding-top: 1rem !important;
    }
}

/* --- 2. ブログタイトル、デザイン刷新 --- */
#blog-title {
    background: var(--primary-navy);
    padding: 4rem 0 !important;
    margin-bottom: 0;
    text-align: center;
    border-bottom: 6px solid var(--primary-slate);
    position: relative;
    overflow: hidden;
}

/* 装飾的な背景パターン（建設現場） */
#blog-description {
    color: #ffffff !important;
    font-size: 1.25rem;
    margin-top: 1.5rem;
    letter-spacing: 0.3em;
    font-weight: 700;
    text-transform: uppercase;
    text-shadow: 0 2px 4px rgba(0,0,0,0.5); /* 視認性向上のためのシャドウ */
}

/* 記事タイトル (h1) の洗練化 */
article h1, .entry-title {
    font-size: 36px !important;
    color: var(--primary-navy) !important;
    font-weight: 800;
    padding: 2.5rem 3rem !important;
    background: #f8fafc;
    border-left: 15px solid var(--primary-navy);
    border-bottom: 5px solid var(--primary-slate);
    margin: 4rem 0 3.5rem !important;
    line-height: 1.4 !important;
    box-shadow: 0 10px 25px rgba(15, 23, 42, 0.1);
}

/* --- 大見出し (H2)：セクション・ラベルスタイル --- */
.entry-content h2 {
    font-size: 26px !important;
    color: #ffffff !important;
    background: var(--primary-navy);
    padding: 0 !important;
    margin-top: 6rem !important;
    margin-bottom: 3.5rem !important;
    display: flex;
    align-items: stretch;
    border-radius: 4px;
    overflow: hidden;
    box-shadow: 8px 8px 0px var(--primary-slate);
}

/* --- 中見出し (H3)：セクション・デコレーション --- */
.entry-content h3 {
    font-size: 24px !important;
    color: var(--primary-navy) !important;
    padding: 1.2rem 1.5rem !important;
    margin-top: 5rem !important;
    margin-bottom: 2.5rem !important;
    background: #f0f4f8; /* 薄いグレーの背景でセクションを明示 */
    border-left: 8px solid var(--primary-navy);
    border-bottom: 2px solid var(--primary-slate);
    display: flex;
    align-items: center;
    font-weight: 800;
}

.entry-content h3::before {
    content: 'SECTION';
    font-family: 'Inter', sans-serif;
    font-size: 10px;
    font-weight: 800;
    color: #ffffff;
    background: var(--primary-navy);
    padding: 4px 8px;
    border-radius: 3px;
    margin-right: 15px;
    letter-spacing: 0.1em;
}

/* --- 3. プレミアム・コンポーネント --- */
.related-card {
    display: block !important;
    border: 1px solid var(--border-color) !important;
    border-left: 10px solid var(--primary-navy) !important;
    background: #ffffff !important;
    padding: 2rem !important;
    margin: 3rem 0 !important;
    border-radius: 0 12px 12px 0 !important;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.05) !important;
    text-decoration: none !important;
    transition: all 0.3s ease !important;
}

/* --- 4. 画像・Mermaidの整合性 (CRITICAL) --- */
/* --- Mermaid Rendering Fix (Essential for Hatena/Blogger) --- */
.img-container, .mermaid {
    text-align: center !important;
    margin: 4.5rem auto !important;
    max-width: 720px !important; /* 視認性向上のため少し拡大 */
    width: 100% !important;
    white-space: normal !important;
    line-height: normal !important;
    overflow: visible !important;
    font-size: 1.65rem !important; /* 50%アップ */
}

.mermaid text {
    font-size: 1.65rem !important;
}

/* 描画前の不格好なテキストを隠す */
.mermaid:not([data-processed="true"]) {
    opacity: 0;
    height: 0;
    overflow: hidden;
}

.img-container img, .mermaid svg {
    max-width: none !important; /* 強制縮小を無効化（文字潰れ防止に必須） */
    width: auto !important;
    height: auto !important;
    border-radius: 12px !important;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15) !important;
    display: block !important;
    margin: 0 auto !important;
    background: #ffffff;
}

/* --- プロフィールカード（巨大化防止 & ロゴ視認性） --- */
.author-profile-card {
    margin-top: 40px !important;
    padding: 30px !important;
    background: #f8fafc !important;
    border-radius: 16px !important;
    border-left: 10px solid var(--primary-navy) !important;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.02) !important;
    display: block !important;
}

.author-profile-card img {
    width: 180px !important;
    max-width: 180px !important;
    height: auto !important;
    flex-shrink: 0 !important;
    border-radius: 8px !important;
    border: 2px solid var(--primary-navy) !important;
    background: #ffffff !important;
    object-fit: contain !important;
    margin: 0 !important;
}

/* 現場の知恵・経験談ボックス */
.experience-box {
    background: #f8fafc;
    border-left: 8px solid var(--primary-slate);
    padding: 2.5rem;
    margin: 4rem 0;
    border-radius: 0 12px 12px 0;
    font-style: italic;
    color: var(--text-main);
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.05);
    position: relative;
    line-height: 1.8;
}

.experience-box::before {
    content: '所長の知恵';
    position: absolute;
    top: -15px;
    left: 20px;
    background: var(--primary-slate);
    color: #ffffff;
    padding: 2px 12px;
    font-size: 12px;
    font-weight: 800;
    border-radius: 4px;
    font-style: normal;
}

/* フッター・最下部要素の中央寄せ */
#footer, .footer-inner, .hatena-module-foot, .hatena-ad-footer {
    text-align: center !important;
    margin-left: auto !important;
    margin-right: auto !important;
}
/* --- 5. 内部リンクカード (Animated Card) --- */
.internal-link-card-container {
    margin: 35px 0 !important;
    clear: both !important;
}

.internal-link-card {
    display: block !important;
    text-decoration: none !important;
    background: #ffffff !important;
    border: 1px solid var(--border-color) !important;
    border-left: 12px solid var(--primary-navy) !important;
    border-radius: 12px !important;
    padding: 24px !important;
    box-shadow: 0 4px 15px rgba(0,0,0,0.06) !important;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
    position: relative !important;
    overflow: hidden !important;
    margin: 3.5rem 0 !important;
}

.internal-link-card:hover {
    transform: translateY(-5px) !important;
    box-shadow: 0 12px 30px rgba(15, 23, 42, 0.1) !important;
    border-color: #cbd5e1 !important;
}

.internal-link-card::after {
    content: '→';
    position: absolute !important;
    right: 20px !important;
    bottom: 20px !important;
    font-size: 24px !important;
    color: #e2e8f0 !important;
    font-weight: 900 !important;
    transition: all 0.3s !important;
}

.internal-link-card:hover::after {
    color: var(--primary-navy) !important;
    transform: translateX(5px) !important;
}

.internal-link-card .link-card-label {
    display: block !important;
    color: var(--primary-slate) !important;
    font-size: 12px !important;
    font-weight: 800 !important;
    margin-bottom: 10px !important;
    text-transform: uppercase !important;
    letter-spacing: 0.15em !important;
}

.internal-link-card .link-card-title {
    display: block !important;
    color: var(--primary-navy) !important;
    font-size: 20px !important;
    font-weight: 900 !important;
    line-height: 1.5 !important;
    margin-bottom: 12px !important;
    text-decoration: none !important;
}

.internal-link-card p {
    display: block !important;
    margin: 0 !important;
    color: #475569 !important;
    font-size: 14px !important;
    line-height: 1.7 !important;
    text-decoration: none !important;
    padding-right: 40px !important;
}

/* --- 6. 追加プレミアムコンポーネント (Article Integrated) --- */

/* サマリーボックス */
.summary-box {
    background-color: #f0f4f8 !important;
    border-left: 12px solid var(--primary-navy) !important;
    padding: 1.5rem 2rem !important;
    margin: 2.5rem 0 !important;
    border-radius: 8px !important;
}
.summary-box ul {
    margin: 0 !important;
    padding-left: 1.2rem !important;
}
.summary-box li {
    margin-bottom: 0.8rem !important;
    line-height: 1.6 !important;
}

/* 数式ボックス */
.formula-box {
    display: table !important;
    margin: 3rem auto !important;
    padding: 2.5rem 50px !important;
    background: #fef9c3 !important;
    border: 1px solid #fde047 !important;
    border-radius: 12px !important;
    text-align: center !important;
    font-family: 'Shippori Mincho', serif !important;
    font-size: 1.4rem !important;
    color: var(--primary-navy) !important;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05) !important;
}

/* 楽天商品紹介カード */
.rakuten-card-container {
    margin: 4rem 0 !important;
    padding: 20px !important;
    background: #ffffff !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 12px !important;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.04) !important;
    display: flex !important;
    flex-direction: column !important;
    gap: 15px !important;
}

.r-card-header {
    display: flex !important;
    align-items: flex-start !important;
}

.r-card-comment {
    display: block !important;
    font-family: var(--font-serif) !important;
    font-size: 0.95rem !important;
    font-weight: 700 !important;
    color: #1e293b !important;
    line-height: 1.6 !important;
    padding: 10px 15px !important;
    background: var(--bg-light) !important;
    border-left: 5px solid var(--accent-crimson) !important;
    border-radius: 4px 10px 10px 4px !important;
    width: 100% !important;
    position: relative !important;
}

.r-card-comment::before {
    content: "所長Kの眼力" !important;
    display: block !important;
    font-size: 0.75rem !important;
    color: var(--accent-crimson) !important;
    text-transform: uppercase !important;
    letter-spacing: 0.1em !important;
    margin-bottom: 5px !important;
    font-family: sans-serif !important;
}

.r-card-body {
    display: flex !important;
    gap: 20px !important;
    align-items: center !important;
}

.r-card-img-wrap {
    width: 110px !important;
    height: 110px !important;
    flex-shrink: 0 !important;
    border-radius: 8px !important;
    overflow: hidden !important;
    border: 1px solid #f1f5f9 !important;
    background: #ffffff !important;
    padding: 5px !important;
}

.r-card-img-wrap img {
    width: 100% !important;
    height: 100% !important;
    object-fit: contain !important;
}

.r-card-info {
    flex: 1 !important;
}

.r-card-title {
    display: block !important;
    font-size: 1.0rem !important;
    font-weight: 800 !important;
    color: var(--primary-navy) !important;
    margin-bottom: 8px !important;
    line-height: 1.4 !important;
    text-decoration: none !important;
}

.r-card-title:hover {
    color: var(--accent-crimson) !important;
    text-decoration: underline !important;
}

.r-card-price {
    display: block !important;
    font-size: 1.2rem !important;
    color: var(--accent-crimson) !important;
    font-weight: 900 !important;
    margin-bottom: 10px !important;
}

.r-card-price small {
    font-size: 0.75rem !important;
    color: #64748b !important;
    font-weight: 500 !important;
}

.r-btn-rakuten {
    display: inline-block !important;
    padding: 10px 30px !important;
    background: var(--accent-crimson) !important;
    color: #ffffff !important;
    border-radius: 50px !important;
    text-decoration: none !important;
    font-weight: 800 !important;
    font-size: 13px !important;
    transition: all 0.3s !important;
    box-shadow: 0 4px 12px rgba(191, 0, 0, 0.15) !important;
}

.r-btn-rakuten:hover {
    transform: translateY(-3px) !important;
    box-shadow: 0 6px 20px rgba(191, 0, 0, 0.25) !important;
    filter: brightness(1.1) !important;
}

.k-profile-btn {
    display: inline-block !important;
    padding: 8px 15px !important;
    background: #ffffff !important;
    color: var(--primary-navy) !important;
    border: 1px solid var(--primary-navy) !important;
    border-radius: 6px !important;
    text-decoration: none !important;
    font-size: 14px !important;
    font-weight: 700 !important;
    transition: all 0.3s ease !important;
}

.k-profile-btn:hover {
    background: var(--primary-navy) !important;
    color: #ffffff !important;
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(15, 23, 42, 0.2);
}