/* ===================================
   お知らせページ専用スタイル
   =================================== */

.page-header {
    background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 100%);
    padding: 150px 20px 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 120" preserveAspectRatio="none"><path d="M1200 120L0 16.48 0 0 1200 0 1200 120z" fill="%23FFFFFF" fill-opacity="0.1"/></svg>') bottom repeat-x;
    background-size: 100% 80px;
}

.page-header-content {
    position: relative;
    z-index: 1;
}

.page-header-title {
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 15px;
    text-shadow: 2px 2px 4px rgba(62, 39, 35, 0.2);
}

.page-header-subtitle {
    font-size: 1.2rem;
    color: var(--color-white);
    font-weight: 500;
    letter-spacing: 3px;
    text-transform: uppercase;
    opacity: 0.95;
}

.news-list {
    background-color: var(--color-bg-gray);
}

.news-items {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.news-article {
    background-color: var(--color-white);
    border-radius: 15px;
    padding: 35px 40px;
    box-shadow: 0 5px 20px rgba(62, 39, 35, 0.08);
    transition: var(--transition-base);
}

.news-article:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(62, 39, 35, 0.15);
}

.news-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
}

.news-date {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text-light);
}

.news-category {
    display: inline-block;
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 700;
}

.news-category.category-case {
    background-color: #4CAF50;
}

.news-category.category-campaign {
    background-color: #FF6B6B;
}

.news-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text-main);
    margin-bottom: 15px;
    line-height: 1.6;
}

.news-excerpt {
    color: var(--color-text-light);
    line-height: 1.9;
    font-size: 1rem;
}

@media (max-width: 768px) {
    .page-header {
        padding: 120px 20px 60px;
    }

    .page-header-title {
        font-size: 2.2rem;
    }

    .news-article {
        padding: 25px 20px;
    }

    .news-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .news-title {
        font-size: 1.3rem;
    }
}

@media (max-width: 480px) {
    .page-header-title {
        font-size: 1.8rem;
    }

    .news-title {
        font-size: 1.2rem;
    }
}