/* ==============================================
   pueraroma-kyujin.com ブログ共通スタイルシート
   対象：blog/ 配下の全記事・一覧ページ
   index.htmlのカラーパレットと完全統一
============================================== */

/* -----------------------------------------------
   カラーパレット
----------------------------------------------- */
:root {
    --bg:        #0f0d0b;
    --surface:   #1a1612;
    --surface2:  #231f1a;
    --gold:      #c8a96e;
    --gold-light:#e8cfa0;
    --gold-dim:  #7a6540;
    --pink:      #c9687a;
    --pink-light:#e8a0ab;
    --cream:     #f5ede0;
    --text:      #e8e0d5;
    --text-dim:  #9a9080;
    --border:    rgba(200, 169, 110, 0.18);
}

/* -----------------------------------------------
   リセット & ベース
----------------------------------------------- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html { scroll-behavior: smooth; }

body {
    background: var(--bg);
    color: var(--text);
    font-family: "Noto Serif JP", "Yu Mincho", "Hiragino Mincho ProN", Georgia, serif;
    line-height: 1.9;
    overflow-x: hidden;
}

a {
    color: var(--gold);
    text-decoration: none;
}
a:hover { color: var(--gold-light); }

/* -----------------------------------------------
   レイアウト
----------------------------------------------- */
.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

/* -----------------------------------------------
   ヘッダー
----------------------------------------------- */
header {
    background: rgba(15, 13, 11, 0.94);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    padding: 14px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-logo {
    font-family: "Helvetica Neue", Arial, sans-serif;
    font-size: 0.82rem;
    letter-spacing: 3px;
    color: var(--gold);
    font-weight: 300;
}

.header-nav {
    display: flex;
    gap: 20px;
    list-style: none;
}

.header-nav a {
    color: var(--text-dim);
    font-family: "Helvetica Neue", Arial, sans-serif;
    font-size: 0.72rem;
    letter-spacing: 1px;
    transition: color 0.3s;
}
.header-nav a:hover { color: var(--gold); }

.header-cta {
    background: var(--pink);
    color: #fff !important;
    padding: 7px 16px;
    border-radius: 2px;
}
.header-cta:hover {
    background: var(--pink-light);
    color: var(--bg) !important;
}

@media (max-width: 600px) {
    .header-nav { display: none; }
}

/* -----------------------------------------------
   パンくずリスト
----------------------------------------------- */
.breadcrumb {
    padding: 16px 20px;
    font-family: "Helvetica Neue", Arial, sans-serif;
    font-size: 0.72rem;
    color: var(--text-dim);
    max-width: 800px;
    margin: 0 auto;
}
.breadcrumb a { color: var(--text-dim); }
.breadcrumb a:hover { color: var(--gold); }

/* -----------------------------------------------
   記事ラッパー
----------------------------------------------- */
.article-wrap {
    padding: 48px 0 80px;
}

/* -----------------------------------------------
   記事ヘッダー（タイトル・タグ・日付）
----------------------------------------------- */
.article-header {
    margin-bottom: 48px;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--border);
}

.article-cats {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

.cat-tag {
    background: rgba(200, 169, 110, 0.1);
    border: 1px solid var(--gold-dim);
    color: var(--gold);
    font-family: "Helvetica Neue", Arial, sans-serif;
    font-size: 0.68rem;
    letter-spacing: 2px;
    padding: 3px 10px;
}

.article-title {
    font-size: clamp(1.4rem, 3.5vw, 2rem);
    font-weight: 500;
    line-height: 1.4;
    color: var(--cream);
    margin-bottom: 16px;
    letter-spacing: 0.04em;
}

.article-meta {
    font-family: "Helvetica Neue", Arial, sans-serif;
    font-size: 0.72rem;
    color: var(--text-dim);
    letter-spacing: 1px;
}

/* -----------------------------------------------
   記事本文
----------------------------------------------- */
.article-body {
    font-size: 0.95rem;
    color: var(--text);
    line-height: 2;
}

.article-body h2 {
    font-size: 1.25rem;
    color: var(--cream);
    margin: 52px 0 16px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border);
    letter-spacing: 0.06em;
}

.article-body h3 {
    font-size: 1.05rem;
    color: var(--gold-light);
    margin: 36px 0 12px;
    letter-spacing: 0.04em;
}

.article-body p {
    margin-bottom: 20px;
}

.article-body ul,
.article-body ol {
    margin: 16px 0 24px 0;
    padding-left: 0;
    list-style: none;
}

.article-body li {
    padding: 8px 0 8px 24px;
    border-bottom: 1px dashed rgba(200, 169, 110, 0.15);
    position: relative;
    font-size: 0.92rem;
}

.article-body li::before {
    content: "—";
    position: absolute;
    left: 0;
    color: var(--gold-dim);
}

/* -----------------------------------------------
   ハイライトボックス
----------------------------------------------- */
.highlight-box {
    background: var(--surface);
    border: 1px solid var(--border);
    border-left: 3px solid var(--gold);
    padding: 24px 28px;
    margin: 32px 0;
    border-radius: 0 2px 2px 0;
}

.highlight-box .box-title {
    font-family: "Helvetica Neue", Arial, sans-serif;
    font-size: 0.7rem;
    letter-spacing: 3px;
    color: var(--gold-dim);
    margin-bottom: 10px;
    text-transform: uppercase;
}

.highlight-box p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--text);
    line-height: 1.9;
}

/* -----------------------------------------------
   データテーブル
----------------------------------------------- */
.data-table {
    width: 100%;
    border-collapse: collapse;
    margin: 24px 0;
}

.data-table th {
    background: var(--surface2);
    color: var(--gold);
    font-size: 0.8rem;
    letter-spacing: 1px;
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border);
    font-family: "Helvetica Neue", Arial, sans-serif;
    font-weight: 400;
}

.data-table td {
    padding: 12px 16px;
    border-bottom: 1px solid rgba(200, 169, 110, 0.1);
    font-size: 0.88rem;
    color: var(--text);
    vertical-align: top;
}

.data-table tr:last-child td {
    border-bottom: none;
}

/* -----------------------------------------------
   CTAブロック（記事末尾）
----------------------------------------------- */
.cta-block {
    background: var(--surface);
    border: 1px solid var(--border);
    border-top: 2px solid var(--pink);
    padding: 40px 32px;
    text-align: center;
    margin: 60px 0;
}

.cta-block h3 {
    font-size: 1.1rem;
    color: var(--cream);
    margin-bottom: 8px;
    font-weight: 400;
}

.cta-block p {
    font-size: 0.83rem;
    color: var(--text-dim);
    margin-bottom: 24px;
    line-height: 1.9;
}

/* -----------------------------------------------
   ボタン
----------------------------------------------- */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--pink);
    color: #fff;
    font-family: "Helvetica Neue", Arial, sans-serif;
    font-size: 0.85rem;
    letter-spacing: 2px;
    padding: 15px 32px;
    border-radius: 2px;
    transition: 0.3s;
    text-decoration: none;
}
.btn-primary:hover {
    background: var(--pink-light);
    color: var(--bg);
}

/* -----------------------------------------------
   関連記事
----------------------------------------------- */
.related-posts {
    margin-top: 60px;
    padding-top: 40px;
    border-top: 1px solid var(--border);
}

.related-title {
    font-family: "Helvetica Neue", Arial, sans-serif;
    font-size: 0.7rem;
    letter-spacing: 4px;
    color: var(--gold-dim);
    margin-bottom: 20px;
    text-transform: uppercase;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

@media (max-width: 500px) {
    .related-grid { grid-template-columns: 1fr; }
}

.related-card {
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 18px;
    display: block;
    transition: 0.3s;
}
.related-card:hover { border-color: var(--gold-dim); }

.related-card .rc-cat {
    font-family: "Helvetica Neue", Arial, sans-serif;
    font-size: 0.65rem;
    letter-spacing: 2px;
    color: var(--gold-dim);
    margin-bottom: 6px;
}

.related-card .rc-title {
    font-size: 0.85rem;
    color: var(--text);
    line-height: 1.5;
}

/* -----------------------------------------------
   フッター
----------------------------------------------- */
footer {
    border-top: 1px solid var(--border);
    padding: 36px 20px;
    text-align: center;
}

.footer-logo {
    font-family: "Helvetica Neue", Arial, sans-serif;
    letter-spacing: 4px;
    color: var(--gold);
    font-size: 0.82rem;
    font-weight: 300;
    margin-bottom: 12px;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

.footer-links a {
    color: var(--text-dim);
    font-family: "Helvetica Neue", Arial, sans-serif;
    font-size: 0.72rem;
    letter-spacing: 1px;
    transition: color 0.3s;
}
.footer-links a:hover { color: var(--gold); }

.footer-copy {
    font-size: 0.68rem;
    color: var(--text-dim);
    opacity: 0.4;
    font-family: "Helvetica Neue", Arial, sans-serif;
}

/* -----------------------------------------------
   スマホ固定CTAバー
----------------------------------------------- */
.sticky-cta {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(15, 13, 11, 0.95);
    border-top: 1px solid var(--border);
    padding: 12px 20px;
    z-index: 999;
}

.sticky-cta a {
    display: block;
    text-align: center;
    background: var(--pink);
    color: #fff;
    font-family: "Helvetica Neue", Arial, sans-serif;
    font-size: 0.85rem;
    letter-spacing: 2px;
    padding: 14px;
    border-radius: 2px;
    text-decoration: none;
}

@media (max-width: 768px) {
    .sticky-cta { display: block; }
    body { padding-bottom: 70px; }
}