@charset "UTF-8";

/* News Detail Container */
.news-detail-container {
    padding: 60px 0;
    position: relative;
    background-image: url('../images/main-back-l.png'), url('../images/main-back-r2.png');
    background-position: left top, right bottom;
    background-repeat: no-repeat, no-repeat;
    background-size: auto, auto;
}

.news-article-wrapper {
    background-color: #f0f8ff;
    /* Light blue background */
    padding: 60px;
    max-width: 900px;
    margin: 0 auto 60px;
}

.article-header {
    margin-bottom: 40px;
}

.article-header time {
    font-family: var(--font-en);
    color: var(--secondary-color);
    display: block;
    margin-bottom: 10px;
}

.article-title {
    font-size: 1.8rem;
    font-weight: normal;
    font-family: var(--font-serif);
    line-height: 1.4;
    color: #7E7E7E;
}

.article-image {
    margin-bottom: 40px;
}

.article-image img {
    width: 100%;
    height: auto;
}

.article-body {
    font-size: 1rem;
    line-height: 2;
    color: #333;
}

/* Navigation */
.news-nav {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 40px;
    max-width: 900px;
    margin: 0 auto;
    font-family: var(--font-serif);
    font-size: 0.9rem;
}

.news-nav a {
    color: var(--accent-color);
    transition: opacity 0.3s;
    text-decoration: none;
}

.news-nav a:hover {
    opacity: 0.7;
}

.back-link-wrapper {
    display: block;
}

.back-link {
    border: 1px solid var(--accent-color);
    padding: 10px 30px;
    display: inline-block;
    transition: background-color 0.3s ease, color 0.3s ease;
    color: var(--accent-color);
    text-decoration: none;
    position: relative;
    padding-right: 50px;
}

.back-link::after {
    content: '';
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 14px;
    background-color: var(--accent-color);
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 18 14'%3E%3Cpath d='M0 7 L11 7 M11 7 L4 -3' stroke='black' stroke-width='1' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 18 14'%3E%3Cpath d='M0 7 L11 7 M11 7 L4 -3' stroke='black' stroke-width='1' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    mask-repeat: no-repeat;
    mask-position: center;
    -webkit-mask-repeat: no-repeat;
    -webkit-mask-position: center;
    mask-size: contain;
    -webkit-mask-size: contain;
}

.back-link:hover {
    background-color: var(--accent-color);
    color: #fff;
}

.back-link:hover::after {
    background-color: #fff;
}

/* Responsive */
@media (max-width: 768px) {
    .news-article-wrapper {
        padding: 30px;
    }
    .news-detail-container{
        padding-top: 0;
    }

    .article-title {
        font-size: 1.4rem;
    }

    .news-nav {
        justify-content: space-between;
        gap: 0;
    }

    .news-nav .prev-link,
    .news-nav .next-link {
        flex: 1;
        border: 1px solid var(--accent-color);
        padding: 10px 20px;
        margin: 0;
    }

    .news-nav .prev-link {
        text-align: center;
    }

    .news-nav .prev-link:first-child {
        margin-right: -1px;
    }

    .news-nav .next-link {
        text-align: center;
    }

    /* 一覧へ戻るボタンをSPでは非表示 */
    .news-nav .back-link-wrapper {
        display: none;
    }

    /* 片方だけの場合のレイアウト調整 */
    .news-nav .prev-link:only-child,
    .news-nav .next-link:only-child {
        flex: none;
        width: 100%;
    }
}