/* ===== 記事ページ専用(style.css の後に読み込む) ===== */

.article {
    padding: 40px 20px 60px;
    line-height: 1.9;
}

.back-link {
    display: inline-block;
    margin-bottom: 24px;
    color: #555;
    text-decoration: none;
    font-size: 14px;
}

.back-link::before {
    content: "← ";
}

.back-link:hover {
    color: black;
    text-decoration: underline;
}

/* 記事タイトル部分 */
.article-header {
    margin-bottom: 32px;
    padding-bottom: 20px;
    border-bottom: 1px solid #ddd;
}

.article-header time {
    display: block;
    font-size: 14px;
    color: #777;
    margin-bottom: 8px;
}

.article-header h2 {
    font-size: 32px;
    line-height: 1.4;
    margin: 0;
}

/* 本文 */
.article h3 {
    font-size: 22px;
    margin: 40px 0 12px;
    padding-left: 12px;
    border-left: 4px solid black;
}

.article p {
    margin: 0 0 1.4em;
}

.article ul,
.article ol {
    margin: 0 0 1.4em;
    padding-left: 1.5em;
}

.article code {
    background: #f1f1f1;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.9em;
}

.article a {
    color: #1a5fb4;
}

/* 前後の記事 */
.post-nav {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    margin-top: 50px;
    padding-top: 24px;
    border-top: 1px solid #ddd;
}

.post-nav a {
    color: #333;
    text-decoration: none;
    padding: 10px 16px;
    border: 1px solid #333;
    border-radius: 5px;
}

.post-nav a:hover {
    background: #333;
    color: white;
}

.post-nav .prev::before {
    content: "← ";
}

.post-nav .next::after {
    content: " →";
}

/* ===== スマホ ===== */
@media (max-width: 800px) {

    .article {
        padding: 24px 20px 40px;
    }

    .article-header h2 {
        font-size: 26px;
    }
}