@import url('https://fonts.googleapis.com/css2?family=Shippori+Mincho:wght@400;600&family=Noto+Sans+JP:wght@300;400;500;700&display=swap');

:root {
    --bg-color: #FAFAFA;
    --text-color: #333333;
    --text-light: #777777;
    --accent-color: #B59B72;
    --border-color: #EAEAEA;
    --soft-border: #e8e2d6;
}

* { box-sizing: border-box; }

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: 'Noto Sans JP', sans-serif;
    line-height: 1.8;
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
}

header {
    background-color: #fff;
    padding: 1.5rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.site-title {
    font-family: 'Shippori Mincho', serif;
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--accent-color);
    margin: 0;
    text-decoration: none;
}

nav a {
    text-decoration: none;
    color: var(--text-color);
    margin-left: 2rem;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.3s;
}
nav a:hover { color: var(--accent-color); }

.hero {
    text-align: center;
    padding: 6rem 1rem;
    background: linear-gradient(rgba(250,250,250,0.8), rgba(250,250,250,1));
    margin-bottom: 4rem;
}

.hero h1 {
    font-family: 'Shippori Mincho', serif;
    font-size: 2.5rem;
    color: var(--text-color);
    margin-bottom: 1rem;
    line-height: 1.4;
}

.hero p {
    font-size: 1.1rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 5%;
}

.section-title {
    font-family: 'Shippori Mincho', serif;
    font-size: 1.8rem;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--text-color);
}

/* カード型レイアウト（index用） */
.article-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
    margin-bottom: 6rem;
}

.card {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.04);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-decoration: none;
    display: flex;
    flex-direction: column;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.08);
}

.card-img-wrapper {
    width: 100%;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: #eee;
}

.card-img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.card-content {
    padding: 1.5rem;
    flex-grow: 1;
}

.card-category {
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--accent-color);
    text-transform: uppercase;
    margin-bottom: 0.5rem;
    display: block;
}

.card-title {
    font-family: 'Shippori Mincho', serif;
    font-size: 1.2rem;
    color: var(--text-color);
    margin: 0 0 0.8rem 0;
    line-height: 1.5;
}

/* 記事詳細ページ用 */
article h1 {
    font-family: 'Shippori Mincho', serif;
    font-size: 2.2rem;
    line-height: 1.4;
    margin-bottom: 2rem;
    text-align: center;
}

article h2 {
    font-family: 'Shippori Mincho', serif;
    font-size: 1.6rem;
    border-left: 4px solid var(--accent-color);
    padding-left: 1rem;
    margin-top: 4rem;
    margin-bottom: 1.5rem;
}

article img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    display: block;
    margin: 3rem auto 0.5rem auto;
}

.img-caption {
    font-size: 0.85rem;
    color: #888;
    text-align: center;
    margin-bottom: 3rem;
}

blockquote {
    border-left: 4px solid var(--accent-color);
    padding: 1.5rem 2rem;
    margin: 2.5rem 0;
    color: #555;
    background: #fdfcf8;
    border-radius: 0 12px 12px 0;
    font-style: italic;
    position: relative;
}

.meta-box {
    background: #f9f6f1;
    padding: 2rem;
    border-radius: 12px;
    margin: 3rem 0;
    border: 1px solid var(--soft-border);
}

table {
    width: 100%;
    border-collapse: collapse;
    margin: 2rem 0;
    background: #fff;
    border: 1px solid var(--border-color);
}

th {
    background: #f9f6f1;
    padding: 1rem;
    text-align: left;
    border-bottom: 2px solid var(--accent-color);
}

td {
    padding: 1rem;
    border-bottom: 1px solid #eee;
}

.related-articles {
    margin-top: 5rem;
    padding-top: 3rem;
    border-top: 2px dashed var(--soft-border);
}

.related-articles h3 { font-family: 'Shippori Mincho', serif; color: var(--accent-color); margin-bottom: 1.5rem; }
.related-articles ul { list-style: none; padding: 0; }
.related-articles li { margin-bottom: 1rem; position: relative; padding-left: 1.5rem; }
.related-articles li::before { content: "■"; color: var(--accent-color); position: absolute; left: 0; top: 2px; }
.related-articles a { color: var(--text-color); text-decoration: none; font-weight: bold; }

footer {
    background-color: #fff;
    border-top: 1px solid var(--border-color);
    text-align: center;
    padding: 5rem 1rem;
    font-size: 0.85rem;
    color: var(--text-light);
}

footer a { color: var(--text-light); text-decoration: none; margin: 0 1rem; }