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

body {
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #333;
    line-height: 1.6;
}

header {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: #FF6B35;
}

.hamburger {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
    border-radius: 3px;
}

nav {
    display: flex;
    gap: 2rem;
}

nav a {
    color: #333;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
    position: relative;
}

nav a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #FF6B35;
    transition: width 0.3s;
}

nav a:hover {
    color: #FF6B35;
}

nav a:hover::after {
    width: 100%;
}

main {
    min-height: calc(100vh - 200px);
}

.hero {
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.9), rgba(118, 75, 162, 0.9));
    padding: 5rem 2rem;
    text-align: center;
    color: white;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    line-height: 1.8;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: white;
    color: #FF6B35;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: transform 0.3s, box-shadow 0.3s;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.3);
}

.info-cards {
    max-width: 1200px;
    margin: -3rem auto 4rem;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s;
}

.card:hover {
    transform: translateY(-10px);
}

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

.card h3 {
    color: #FF6B35;
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.game-section {
    max-width: 1200px;
    margin: 4rem auto;
    padding: 0 2rem;
}

.game-section h2 {
    text-align: center;
    color: white;
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.game-intro {
    text-align: center;
    color: white;
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.game-container {
    background: white;
    border-radius: 15px;
    padding: 1rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.game-container iframe {
    width: 100%;
    height: 600px;
    border-radius: 10px;
}

.features {
    max-width: 1200px;
    margin: 4rem auto;
    padding: 0 2rem;
}

.features h2 {
    text-align: center;
    color: white;
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

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

.feature {
    background: rgba(255, 255, 255, 0.95);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.feature h4 {
    color: #667eea;
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
}

.notice {
    max-width: 1000px;
    margin: 4rem auto;
    padding: 0 2rem;
}

.notice h2 {
    text-align: center;
    color: white;
    font-size: 2rem;
    margin-bottom: 2rem;
}

.notice-content {
    background: rgba(255, 255, 255, 0.95);
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.notice-content p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    line-height: 1.8;
}

.notice-content strong {
    color: #FF6B35;
}

footer {
    background: rgba(0, 0, 0, 0.9);
    color: white;
    padding: 3rem 2rem;
    margin-top: 4rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.footer-section h4 {
    color: #FF6B35;
    margin-bottom: 1rem;
}

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

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

.footer-section a:hover {
    color: #FF6B35;
}

.age-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    z-index: 10000;
    justify-content: center;
    align-items: center;
}

.age-modal.active {
    display: flex;
}

.age-modal-content {
    background: white;
    padding: 3rem;
    border-radius: 20px;
    text-align: center;
    max-width: 500px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.age-modal-content h2 {
    color: #FF6B35;
    margin-bottom: 1.5rem;
    font-size: 2rem;
}

.age-modal-content p {
    margin-bottom: 1rem;
    font-size: 1.1rem;
    color: #555;
}

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

.age-buttons button {
    flex: 1;
    padding: 1rem;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.3s;
}

.age-yes {
    background: #4CAF50;
    color: white;
}

.age-no {
    background: #f44336;
    color: white;
}

.age-buttons button:hover {
    transform: scale(1.05);
}

.play-header {
    max-width: 1000px;
    margin: 0 auto;
    padding: 3rem 2rem;
    text-align: center;
    color: white;
}

.play-header h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.game-play {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 2rem;
}

.game-container-full {
    background: white;
    border-radius: 15px;
    padding: 1rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.game-container-full iframe {
    width: 100%;
    height: 700px;
    border-radius: 10px;
}

.play-info {
    max-width: 1200px;
    margin: 3rem auto;
    padding: 0 2rem;
}

.play-info h2 {
    text-align: center;
    color: white;
    font-size: 2rem;
    margin-bottom: 2rem;
}

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

.tip {
    background: rgba(255, 255, 255, 0.95);
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.tip h4 {
    color: #667eea;
    margin-bottom: 0.5rem;
}

.legal-content {
    max-width: 900px;
    margin: 2rem auto;
    padding: 3rem 2rem;
    background: white;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.legal-content h1 {
    color: #FF6B35;
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.update-date {
    color: #777;
    font-style: italic;
    margin-bottom: 2rem;
}

.legal-content h2 {
    color: #667eea;
    font-size: 1.5rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.legal-content ul {
    margin-left: 2rem;
    margin-bottom: 1rem;
}

.legal-content li {
    margin-bottom: 0.5rem;
}

.disclaimer-highlight {
    background: #FFF3E0;
    border-left: 4px solid #FF6B35;
    padding: 1.5rem;
    margin-top: 2rem;
    border-radius: 5px;
}

.disclaimer-highlight h3 {
    color: #FF6B35;
    margin-bottom: 0.5rem;
}

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

    nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 1rem 2rem;
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
        display: none;
    }

    nav.active {
        display: flex;
    }

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

    .hero p {
        font-size: 1rem;
    }

    .game-container iframe,
    .game-container-full iframe {
        height: 400px;
    }

    .info-cards {
        margin-top: 2rem;
    }
}