/* ===================================
   資格取得サポート情報ページ専用スタイル
   ※ 既存 styles.css は変更せず、本ファイルを
     styles.css の後に読み込んで使用してください。
   ※ クラス名はすべて "cert-" プレフィックスで
     既存クラスとの衝突を回避しています。
   =================================== */

.cert-hero {
    background: linear-gradient(135deg, var(--darker-bg) 0%, var(--dark-bg) 100%);
    color: var(--text-white);
    padding: 9rem 0 4rem;
}

.cert-hero .container {
    max-width: 1000px;
}

.cert-eyebrow {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.cert-hero h2 {
    font-size: 2.2rem;
    font-weight: 900;
    margin-bottom: 1.2rem;
    line-height: 1.4;
}

.cert-hero p {
    color: rgba(255, 255, 255, 0.85);
    font-size: 1rem;
    line-height: 1.9;
    max-width: 680px;
}

.cert-source-chips {
    display: flex;
    gap: 0.8rem;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.cert-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 999px;
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
}

.cert-dot {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    display: inline-block;
}

.cert-dot.staviji { background: var(--primary-color); }
.cert-dot.staaka  { background: var(--secondary-color); }
.cert-dot.udemy   { background: var(--accent-color); }

/* ページ内目次 */
.cert-toc {
    position: sticky;
    top: 64px;
    z-index: 90;
    background: rgba(248, 250, 252, 0.95);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border-color);
    padding: 0.75rem 0;
}

.cert-toc .container {
    display: flex;
    gap: 0.5rem;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    padding-bottom: 0.25rem;
}

.cert-toc a {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-light);
    text-decoration: none;
    border: 1px solid var(--border-color);
    background: var(--text-white);
    border-radius: 999px;
    padding: 0.4rem 0.9rem;
    white-space: nowrap;
    flex-shrink: 0;
    transition: all 0.2s ease;
}

.cert-toc a:hover {
    color: var(--primary-color);
    border-color: var(--primary-color);
}

/* アンカー着地位置の調整：固定ヘッダー＋スティッキー目次の高さぶん余白を確保 */
[id^="cat-"],
#extra,
[id^="cert-"] {
    scroll-margin-top: 132px;
}

/* カテゴリ見出し */
.cert-category-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
}

.cert-category-index {
    font-size: 0.8rem;
    font-weight: 700;
    background: var(--primary-color);
    color: var(--text-white);
    padding: 0.2rem 0.6rem;
    border-radius: 6px;
}

.cert-grid {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    margin-bottom: 3.5rem;
}

.cert-card {
    background-color: var(--text-white);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.6rem 1.8rem;
    box-shadow: var(--shadow-sm);
}

.cert-card-head {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 1.1rem;
    padding-bottom: 1.1rem;
    border-bottom: 1px dashed var(--border-color);
}

.cert-no-badge {
    flex-shrink: 0;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--primary-dark);
    background: rgba(37, 99, 235, 0.08);
    border-radius: 6px;
    padding: 0.25rem 0.55rem;
    margin-top: 0.15rem;
}

.cert-card-titlewrap {
    flex: 1;
    min-width: 220px;
}

.cert-card-titlewrap h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0.2rem;
}

.cert-card-titlewrap .cert-org {
    font-size: 0.8rem;
    color: var(--text-light);
}

.cert-official-link {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--primary-color);
    text-decoration: none;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 0.35rem 0.7rem;
    white-space: nowrap;
}

.cert-official-link:hover {
    border-color: var(--primary-color);
    text-decoration: none;
}

.cert-resource-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.2rem;
}

.cert-resource-grid.cert-single {
    grid-template-columns: 1fr;
}

.cert-resource-label {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    border-radius: 5px;
    padding: 0.2rem 0.55rem;
    margin-bottom: 0.5rem;
}

.cert-resource-label.staviji { background: rgba(37, 99, 235, 0.1); color: var(--primary-dark); }
.cert-resource-label.staaka  { background: rgba(14, 165, 233, 0.12); color: #0369a1; }
.cert-resource-label.udemy   { background: rgba(245, 158, 11, 0.14); color: #b45309; }

.cert-link-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}

.cert-link-list li a {
    font-size: 0.85rem;
    color: var(--text-dark);
    text-decoration: none;
    line-height: 1.5;
}

.cert-link-list li a:hover {
    color: var(--primary-color);
    text-decoration: underline;
}

.cert-empty {
    font-size: 0.8rem;
    color: #a6abbd;
    margin: 0;
}

.cert-extra-note {
    font-size: 0.9rem;
    color: var(--text-light);
    background: rgba(245, 158, 11, 0.08);
    border: 1px solid rgba(245, 158, 11, 0.35);
    border-radius: 10px;
    padding: 1rem 1.3rem;
    margin-bottom: 1.5rem;
}

.cert-extra .cert-no-badge {
    color: var(--primary-dark);
}

.cert-footnote {
    font-size: 0.8rem;
    color: var(--text-light);
    max-width: 800px;
    margin: 3rem auto 0;
    line-height: 1.8;
}

@media (max-width: 720px) {
    .cert-resource-grid {
        grid-template-columns: 1fr;
    }
}