/* Hero セクション */
.hero {
    position: relative;
}
.hero-image {
    width: 100%;
    height: 60vh;
    object-fit: cover;
    border-radius: 0 0 1.5rem 1.5rem;
}
.hero-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    justify-content: center;
    align-items: center;
}
.hero-title {
    font-size: 2rem;
    font-weight: 700;
    color: #fff;
    text-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}
@media (min-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
}

/* セクション共通 */
.section-title {
    font-size: 1.75rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: 1rem;
    color: #1f2937;
}
.section-text {
    text-align: center;
    color: #4b5563;
    line-height: 1.8;
}
.section-button {
    margin-top: 1.5rem;
    text-align: center;
}

/* ボタン */
.btn-primary {
    display: inline-block;
    padding: 0.75rem 2rem;
    background: linear-gradient(135deg, #22c55e, #16a34a);
    color: white;
    font-weight: 600;
    border-radius: 9999px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    transition: transform 0.2s ease, opacity 0.2s ease;
}
.btn-primary:hover {
    transform: scale(1.05);
    opacity: 0.9;
}

/* お知らせ */
.notice-section {
    max-width: 800px;
    margin: 4rem auto;
    padding: 0 1rem;
}
.notice-list {
    display: grid;
    gap: 1.5rem;
}
.notice-card {
    background: #fff;
    border-radius: 1rem;
    padding: 1.5rem;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.notice-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
}
.notice-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}
.notice-text {
    color: #6b7280;
    font-size: 0.95rem;
    margin-bottom: 0.75rem;
}
.notice-link {
    color: #22c55e;
    font-weight: 500;
    text-decoration: none;
}
.notice-link:hover {
    text-decoration: underline;
}
.notice-more {
    text-align: center;
    margin-top: 2rem;
}



/* 部門紹介 */
.division-section {
    max-width: 1100px;
    margin: 4rem auto;
    padding: 0 1rem;
    text-align: center;
}

.division-grid {
    margin-top: 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.division-card {
    background: #fff;
    border-radius: 1rem;
    padding: 2rem 1.5rem;
    box-shadow: 0 4px 12px rgba(0,0,0,0.06);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    text-align: left;
}
.division-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
}

.division-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: #111;
}

.division-text {
    font-size: 0.95rem;
    color: #4b5563;
    line-height: 1.6;
}

/* 各部門のテーマカラー（左のボーダー線で表現） */
.division-entertainment {
    border-left: 6px solid #2563eb; /* 青 */
}
.division-studio {
    border-left: 6px solid #eab308; /* 黄 */
}
.division-miki {
    border-left: 6px solid #dc2626; /* 赤 */
}
.division-culture {
    border-left: 6px solid #111827; /* 黒 */
}