/* コンポーネント - ボックス、テーブル、その他 */

/* 小さいテキスト */
.small {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 1rem;
    text-indent: 0;
}

/* 導入文（Abstract） */
.lead {
    background-color: transparent;
    padding: 1rem 2rem;
    margin-bottom: 3rem;
    border: none;
    font-size: 0.95rem;
    font-style: italic;
    text-align: justify;
    width: 90%;
    margin-left: auto;
    margin-right: auto;
}

.lead::before {
    content: "Abstract: ";
    font-weight: bold;
    font-style: normal;
}

/* テーブル */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 2rem 0;
    border-top: 2px solid #000;
    border-bottom: 2px solid #000;
}

th, td {
    border: none;
    padding: 0.5rem 1rem;
    text-align: left;
    vertical-align: top;
}

th {
    background-color: transparent;
    font-weight: bold;
    border-bottom: 1px solid #000;
}

td {
    border-bottom: 1px solid #ccc;
}

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

/* 参考・免責文 */
.refs {
    background-color: transparent;
    border-top: 1px solid #000;
    padding: 1rem 0;
    margin-top: 4rem;
    font-size: 0.9rem;
}

/* 論文詳細カード */
.paper-detail {
    margin-bottom: 3rem;
}

.paper-detail h2 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
}

.paper-meta {
    background-color: #f9f9f9;
    padding: 1rem;
    margin-bottom: 1.5rem;
    border-left: 3px solid #b31b1b;
}

.paper-meta p {
    margin-bottom: 0.5rem;
    text-indent: 0;
}

.paper-meta p:last-child {
    margin-bottom: 0;
}

/* 論文概要セクション */
.paper-summary {
    margin-bottom: 2rem;
}

.paper-summary h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

/* 重要ポイント */
.key-points {
    background-color: #fff;
    border: 1px solid #ddd;
    padding: 1rem 1.5rem;
    margin: 1.5rem 0;
}

.key-points h4 {
    font-size: 1rem;
    margin-bottom: 0.8rem;
    font-style: normal;
}

/* 検索ボックス */
.search-box {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid #ddd;
    position: relative;
}

.search-input-wrapper {
    display: flex;
    align-items: center;
    border: 1px solid #ccc;
    background: #fff;
}

.search-input {
    flex: 1;
    border: none;
    padding: 0.4rem 0.5rem;
    font-size: 0.85rem;
    outline: none;
    min-width: 0;
}

.search-input::placeholder {
    color: #999;
}

.search-clear {
    border: none;
    background: transparent;
    color: #999;
    cursor: pointer;
    padding: 0.3rem 0.5rem;
    font-size: 1rem;
    line-height: 1;
}

.search-clear:hover {
    color: #333;
}

/* 書籍セクション */
.book-section {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid #ddd;
}

.book-section h2 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.affiliate-books {
    margin: 1rem 0;
}

/* 広告コンテナ */
.ad-container {
    margin: 2rem 0;
    text-align: center;
}