.article {
    font-family: "Helvetica Neue", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
    color: #333;
    padding: 12px 0px;
    background-color: #fff;
}

/* 見出し */
.article h1 {
    font-size: 28px;
    font-weight: bold;
    border-bottom: 2px solid #C30D23;
    padding-bottom: 8px;
    margin-top: 1.5em;
    margin-bottom: 1em;
    color: #C30D23;
}

.article h2 {
    font-size: 24px;
    font-weight: bold;
    border-left: 4px solid #C30D23;
    padding-left: 12px;
    margin-top: 1.5em;
    margin-bottom: 0.8em;
}

.article h3 {
    font-size: 20px;
    font-weight: bold;
    margin-top: 1.2em;
    margin-bottom: 0.6em;
}

/* 段落 */
.article p {
    margin-bottom: 1.2em;
}

/* リスト */

.article ul li {
    list-style-type: disc;
    margin-bottom: 0.5em;
}
.article ul,
.article ol {
    margin-left: 1.5em;
    margin-bottom: 1.2em;
}

.article ul li,
.article ol li {
    margin-bottom: 0.5em;
}

/* リンク */
.article a {
    color: #007ACC;
    text-decoration: underline;
}

.article a:hover {
    text-decoration: none;
}

/* 引用 */
.article blockquote {
    border-left: 4px solid #ccc;
    padding-left: 16px;
    color: #666;
    margin: 1.2em 0;
    font-style: italic;
}

/* コード */
.article code {
    background-color: #f5f5f5;
    padding: 2px 4px;
    font-family: Menlo, Consolas, monospace;
    font-size: 90%;
    border-radius: 4px;
}

/* テーブル */
.article table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1.5em;
    font-size: 15px;
}

.article th,
.article td {
    border: 1px solid #ccc;
    padding: 8px 12px;
    text-align: left;
}

.article th {
    background-color: #f2f2f2;
}