/* ============================================================
   データライブラリ（/magazine/data/）
   ============================================================ */

/* --- 導入セクション --- */
.data-library__intro {
    margin-bottom: 28px;
    line-height: 1.9;
}

.data-library__intro a {
    color: #00bcd1;
    text-decoration: none;
}

.data-library__intro a:hover {
    text-decoration: underline;
}

/* --- フィルターバー --- */
.data-library__filters {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 28px;
    flex-wrap: wrap;
}

.data-library__filter-group {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    align-items: center;
}

.data-library__filter-btn {
    padding: 7px 18px;
    border-radius: 20px;
    font-size: .85em;
    border: 1px solid rgba(200, 200, 200, .5);
    background: #fff;
    color: #474747;
    cursor: pointer;
    transition: all .2s;
    line-height: 1.4;
}

.data-library__filter-btn:hover {
    border-color: #00bcd1;
    color: #00bcd1;
}

.data-library__filter-btn.is-active {
    background: #00bcd1;
    color: #fff;
    border-color: #00bcd1;
}

.data-library__filter-year {
    padding: 7px 12px;
    border-radius: 6px;
    font-size: .85em;
    border: 1px solid rgba(200, 200, 200, .5);
    background: #fff;
    color: #474747;
    cursor: pointer;
    line-height: 1.4;
}

.data-library__filter-year:focus {
    outline: 2px solid #00bcd1;
    outline-offset: 1px;
}

.data-library__no-results {
    text-align: center;
    color: #888;
    padding: 40px 0;
}

/* --- データ一覧テーブル --- */
.data-library__section {
    margin-bottom: 40px;
}

.data-library__section h3 {
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.4;
}

.data-library__table {
    width: 100%;
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0, 0, 0, .05);
    border-collapse: collapse;
}

.data-library__table thead th {
    background: #f8f8f8;
    padding: 12px 14px;
    font-size: .8em;
    font-weight: 600;
    color: #474747;
    text-align: left;
    border-bottom: 2px solid #eee;
}

.data-library__table tbody td {
    padding: 18px 14px;
    font-size: .9em;
    border-bottom: 1px solid rgba(200, 200, 200, .25);
    vertical-align: middle;
}

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

.data-library__table tbody tr:hover {
    background: rgba(200, 200, 200, .06);
}

/* 調査名 + メタ情報 */
.data-library__title {
    font-weight: 600;
    color: #181a1a;
    line-height: 1.5;
}

.data-library__meta {
    font-size: .85em;
    color: #888;
    margin-top: 5px;
    line-height: 1.6;
}

/* --- 分類タグ --- */
.data-library__tag {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 3px;
    font-size: .8em;
    font-weight: 500;
    white-space: nowrap;
}

.data-library__tag--speed {
    background: #e3f6f8;
    color: #0097a7;
}

.data-library__tag--survey {
    background: #fff3e0;
    color: #e65100;
}

.data-library__tag--market {
    background: #e8f5e9;
    color: #2e7d32;
}

/* --- ダウンロードボタン --- */
.data-library__dl {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.data-library__btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 6px 14px;
    border-radius: 4px;
    font-size: .85em;
    font-weight: 600;
    text-decoration: none;
    border: 1px solid;
    transition: all .15s;
}

.data-library__btn:hover {
    filter: brightness(.95);
}

.data-library__btn--csv {
    color: #2e7d32;
    border-color: #c8e6c9;
    background: #f1f8e9;
}

.data-library__btn--pdf {
    color: #c62828;
    border-color: #ffcdd2;
    background: #fff5f5;
}

.data-library__btn--article {
    color: #00bcd1;
    border-color: #b2ebf2;
    background: #e0f7fa;
}

.data-library__muted {
    color: #94a3b8;
}

/* --- 利用条件 & 実施体制 共通 --- */
.data-library__terms,
.data-library__methodology {
    margin-bottom: 24px;
    line-height: 1.9;
}

.data-library__terms h3,
.data-library__methodology h3 {
    font-weight: 700;
    margin-top: 28px;
    margin-bottom: 12px;
    color: #333;
}

.data-library__terms p,
.data-library__methodology p {
    margin-bottom: 12px;
}

.data-library__terms a,
.data-library__methodology a {
    color: #00bcd1;
    text-decoration: none;
}

.data-library__terms a:hover,
.data-library__methodology a:hover {
    text-decoration: underline;
}

/* 出典記載例 */
.data-library__cite-example {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    background: #f8f8f8;
    border: 1px solid #eee;
    border-radius: 4px;
    padding: 10px 14px;
    font-size: .85em;
    color: #555;
    margin: 8px 0 16px;
}

.data-library__cite-text {
    flex: 1;
    min-width: 0;
    word-break: break-all;
}

.data-library__cite-copy {
    flex-shrink: 0;
    padding: 5px 14px;
    border-radius: 4px;
    font-size: .85em;
    font-weight: 600;
    border: 1px solid #cbd5e1;
    background: #fff;
    color: #474747;
    cursor: pointer;
    transition: all .2s;
    white-space: nowrap;
}

.data-library__cite-copy:hover {
    border-color: #00bcd1;
    color: #00bcd1;
}

.data-library__cite-copy.is-copied {
    background: #00bcd1;
    color: #fff;
    border-color: #00bcd1;
}

/* --- 調査方法テーブル --- */
.data-library__table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: 12px 0 16px;
}

.data-library__method-table {
    width: 100%;
    border-collapse: collapse;
}

.data-library__method-table thead th {
    background: #f0fafb;
    padding: 10px 12px;
    text-align: left;
    font-weight: 600;
    border-bottom: 2px solid #e0f2f4;
    color: #0097a7;
}

.data-library__method-table tbody td {
    padding: 12px 14px;
    border-bottom: 1px solid #f0f0f0;
    vertical-align: top;
}

/* --- 品質管理リスト --- */
.data-library__quality-list {
    padding-left: 1.5em;
    margin: 8px 0;
}

.data-library__quality-list li {
    margin-bottom: 8px;
}

/* --- H2見出し共通（セクション見出し） --- */
.data-library h2 {
    font-weight: 700;
    margin-top: 48px;
    margin-bottom: 20px;
    padding-left: 14px;
    border-left: 4px solid #00bcd1;
    line-height: 1.4;
}

/* --- レスポンシブ --- */
@media (max-width: 600px) {
    .data-library__table thead {
        display: none;
    }

    .data-library__table tbody td {
        display: block;
        padding: 8px 14px;
    }

    .data-library__table tbody td:first-child {
        padding-top: 14px;
    }

    .data-library__table tbody td:last-child {
        padding-bottom: 14px;
    }

    .data-library__table tbody tr {
        border-bottom: 1px solid #eee;
    }

    .data-library__table tbody td::before {
        content: attr(data-label);
        display: block;
        font-weight: 700;
        font-size: .7em;
        color: #888;
        margin-bottom: 2px;
    }

    .data-library__table tbody td:first-child::before {
        display: none;
    }
}