* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Open Sans', sans-serif;
    line-height: 1.6;
    color: #2d2d2d;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    font-family: 'Playfair Display', serif;
    font-size: 1.8rem;
    font-weight: 900;
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    text-decoration: none;
    color: #2d2d2d;
    font-weight: 600;
    transition: color 0.3s;
    position: relative;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: #667eea;
}

.nav-menu a.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(135deg, #667eea, #764ba2);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: #2d2d2d;
    transition: all 0.3s;
}

main {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

.hero {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.85));
    border-radius: 30px;
    padding: 4rem 2rem;
    text-align: center;
    margin-bottom: 3rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.hero h1 {
    font-family: 'Playfair Display', serif;
    font-size: 3rem;
    margin-bottom: 1rem;
    color: #2d2d2d;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: #666;
    margin-bottom: 2rem;
}

.cta-button {
    display: inline-block;
    padding: 1rem 3rem;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: transform 0.3s, box-shadow 0.3s;
    box-shadow: 0 5px 20px rgba(102, 126, 234, 0.4);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(102, 126, 234, 0.6);
}

.notice-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.card {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s;
}

.card:hover {
    transform: translateY(-5px);
}

.card-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.card h3 {
    font-family: 'Playfair Display', serif;
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #2d2d2d;
}

.game-showcase {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    margin-bottom: 3rem;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.1);
}

.game-showcase h2 {
    font-family: 'Playfair Display', serif;
    font-size: 2rem;
    text-align: center;
    margin-bottom: 2rem;
    color: #2d2d2d;
}

.game-container {
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
}

.game-frame {
    width: 100%;
    height: 600px;
    border: none;
    display: block;
}

.game-note {
    text-align: center;
    margin-top: 1.5rem;
    font-size: 1.1rem;
    color: #667eea;
    font-weight: 600;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.info-column {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.1);
}

.info-column h2 {
    font-family: 'Playfair Display', serif;
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: #2d2d2d;
}

.feature-list {
    list-style: none;
}

.feature-list li {
    padding: 0.5rem 0;
    font-size: 1.05rem;
}

.responsibility-section {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    margin-bottom: 3rem;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.1);
}

.responsibility-section h2 {
    font-family: 'Playfair Display', serif;
    font-size: 2rem;
    margin-bottom: 1rem;
    color: #2d2d2d;
}

.play-header {
    background: white;
    border-radius: 20px;
    padding: 3rem 2rem;
    text-align: center;
    margin-bottom: 2rem;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.1);
}

.play-header h1 {
    font-family: 'Playfair Display', serif;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #2d2d2d;
}

.game-play-section {
    margin-bottom: 2rem;
}

.game-container-full {
    background: white;
    border-radius: 20px;
    padding: 1rem;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.1);
}

.game-frame-full {
    width: 100%;
    height: 700px;
    border: none;
    border-radius: 15px;
}

.game-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.info-box {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.1);
}

.info-box h2 {
    font-family: 'Playfair Display', serif;
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #2d2d2d;
}

.content-page {
    background: white;
    border-radius: 20px;
    padding: 3rem;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.1);
    max-width: 900px;
    margin: 0 auto;
}

.content-page h1 {
    font-family: 'Playfair Display', serif;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #2d2d2d;
}

.content-page h2 {
    font-family: 'Playfair Display', serif;
    font-size: 1.8rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: #2d2d2d;
}

.last-updated {
    color: #888;
    font-style: italic;
    margin-bottom: 2rem;
}

footer {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    margin-top: 3rem;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 3rem 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.footer-section h3 {
    font-family: 'Playfair Display', serif;
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #2d2d2d;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: #666;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: #667eea;
}

.footer-bottom {
    background: #2d2d2d;
    color: white;
    text-align: center;
    padding: 1.5rem;
}

.age-modal {
    display: flex;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.age-modal.hidden {
    display: none;
}

.age-modal-content {
    background: white;
    padding: 3rem;
    border-radius: 20px;
    text-align: center;
    max-width: 500px;
    box-shadow: 0 10px 50px rgba(0, 0, 0, 0.5);
}

.age-modal-content h2 {
    font-family: 'Playfair Display', serif;
    font-size: 2rem;
    margin-bottom: 1rem;
    color: #2d2d2d;
}

.age-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
    justify-content: center;
}

.btn-confirm,
.btn-decline {
    padding: 1rem 2rem;
    border: none;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s;
    font-size: 1rem;
}

.btn-confirm {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
}

.btn-confirm:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(102, 126, 234, 0.4);
}

.btn-decline {
    background: #e0e0e0;
    color: #2d2d2d;
}

.btn-decline:hover {
    background: #d0d0d0;
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: rgba(255, 255, 255, 0.98);
        width: 100%;
        text-align: center;
        transition: left 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
        gap: 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-menu li {
        padding: 1rem 0;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .info-grid {
        grid-template-columns: 1fr;
    }

    .game-frame {
        height: 400px;
    }

    .game-frame-full {
        height: 500px;
    }

    .age-modal-content {
        margin: 1rem;
        padding: 2rem;
    }

    .age-buttons {
        flex-direction: column;
    }

    .content-page {
        padding: 2rem 1.5rem;
    }

    main {
        padding: 1rem;
    }
}