/* 日本語の写真集詳細ページ専用（styles.css を土台に追加） */

.crumb {
    max-width: 1080px;
    margin: 0 auto;
    padding: 110px clamp(24px, 6vw, 60px) 0;
    font-size: 12px;
    letter-spacing: 0.1em;
    color: var(--muted);
}

.crumb a {
    color: var(--muted);
    text-decoration: none;
    transition: color 0.3s ease;
}

.crumb a:hover {
    color: var(--gold);
}

.crumb span {
    margin: 0 8px;
}

.book-detail {
    display: grid;
    grid-template-columns: minmax(0, 340px) minmax(0, 1fr);
    gap: clamp(32px, 5vw, 64px);
    align-items: start;
    max-width: 1080px;
    margin: 0 auto;
    padding: clamp(36px, 5vw, 56px) clamp(24px, 6vw, 60px) clamp(60px, 8vw, 100px);
}

.book-detail-cover img {
    width: 100%;
    height: auto;
    border-radius: 4px;
    box-shadow: 0 30px 70px rgba(0, 0, 0, 0.6);
    transition: transform 0.6s ease;
}

.book-detail-cover a:hover img {
    transform: translateY(-6px);
}

.book-detail-body h1 {
    margin: 10px 0 28px;
    font-family: "Shippori Mincho", serif;
    font-size: clamp(26px, 4vw, 38px);
    font-weight: 400;
    letter-spacing: 0.08em;
    line-height: 1.5;
}

.book-facts {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 10px 24px;
    margin: 0 0 28px;
    font-size: 14px;
}

.book-facts dt {
    color: var(--muted);
    letter-spacing: 0.14em;
    white-space: nowrap;
}

.book-facts dd {
    margin: 0;
    color: var(--text);
}

.book-note {
    margin: 0 0 32px;
    font-size: 14px;
    line-height: 2;
    color: var(--muted);
}

@media (max-width: 780px) {
    .crumb {
        padding-top: 96px;
    }

    .book-detail {
        grid-template-columns: 1fr;
        justify-items: center;
        text-align: center;
    }

    .book-detail-cover {
        max-width: 260px;
    }

    .book-facts {
        justify-content: center;
        text-align: left;
    }
}