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

body {
    font-family: 'Montserrat', sans-serif;
    background: linear-gradient(135deg, #0a0e27 0%, #1a1a3e 50%, #0f0c29 100%);
    color: #e0e0e0;
    min-height: 100vh;
    line-height: 1.6;
}

.container {
    width: 100%;
    max-width: 100%;
    margin: 0 auto;
    padding: 0 20px;
}

header {
    background: rgba(10, 14, 39, 0.95);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 100%;
    margin: 0 auto;
    padding: 0 20px;
}

.logo {
    font-size: 2rem;
    font-weight: 800;
    background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
    letter-spacing: 2px;
}

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

nav ul li a {
    color: #e0e0e0;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
    font-size: 1rem;
}

nav ul li a:hover {
    color: #667eea;
}

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

.hamburger span {
    width: 30px;
    height: 3px;
    background: #667eea;
    transition: 0.3s;
}

.hero {
    padding: 4rem 20px;
    text-align: center;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 900;
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    color: #b0b0b0;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.notice-box {
    background: rgba(102, 126, 234, 0.1);
    border: 2px solid #667eea;
    border-radius: 15px;
    padding: 2rem;
    margin: 3rem auto;
    max-width: 900px;
}

.notice-box h2 {
    color: #667eea;
    margin-bottom: 1.5rem;
    font-size: 2rem;
}

.notice-box ul {
    list-style: none;
    text-align: left;
}

.notice-box ul li {
    padding: 0.8rem 0;
    font-size: 1.1rem;
    border-bottom: 1px solid rgba(102, 126, 234, 0.2);
}

.notice-box ul li:last-child {
    border-bottom: none;
}

.notice-box ul li::before {
    content: "✓ ";
    color: #667eea;
    font-weight: bold;
    font-size: 1.3rem;
    margin-right: 10px;
}

.game-section {
    margin: 4rem auto;
    padding: 0 20px;
}

.game-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: #667eea;
}

.game-container {
    max-width: 1200px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.game-container iframe {
    width: 100%;
    height: 700px;
    border: none;
    border-radius: 10px;
}

.info-section {
    margin: 4rem auto;
    padding: 3rem 20px;
    background: rgba(255, 255, 255, 0.03);
}

.info-section h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: #764ba2;
    text-align: center;
}

.info-section p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #c0c0c0;
    max-width: 1000px;
    margin: 0 auto 1.5rem;
}

footer {
    background: rgba(10, 14, 39, 0.95);
    padding: 3rem 20px;
    margin-top: 4rem;
}

.footer-content {
    max-width: 100%;
    margin: 0 auto;
    text-align: center;
}

.footer-links {
    margin-bottom: 2rem;
}

.footer-links h3 {
    color: #667eea;
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.footer-links ul {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.footer-links ul li a {
    color: #b0b0b0;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links ul li a:hover {
    color: #667eea;
}

.copyright {
    color: #808080;
    font-size: 0.9rem;
    margin-top: 2rem;
}

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 10000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: linear-gradient(135deg, #0a0e27 0%, #1a1a3e 100%);
    padding: 3rem;
    border-radius: 20px;
    text-align: center;
    max-width: 500px;
    border: 2px solid #667eea;
    box-shadow: 0 10px 50px rgba(102, 126, 234, 0.3);
}

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

.modal-content p {
    margin-bottom: 2rem;
    font-size: 1.1rem;
    color: #c0c0c0;
}

.modal-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.modal-buttons button {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    font-weight: 700;
    transition: all 0.3s ease;
    font-family: 'Montserrat', sans-serif;
}

.btn-yes {
    background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-yes:hover {
    transform: scale(1.05);
    box-shadow: 0 5px 20px rgba(102, 126, 234, 0.4);
}

.btn-no {
    background: rgba(255, 255, 255, 0.1);
    color: #e0e0e0;
}

.btn-no:hover {
    background: rgba(255, 255, 255, 0.2);
}

.content-page {
    max-width: 1200px;
    margin: 0 auto;
    padding: 3rem 20px;
}

.content-page h1 {
    font-size: 3rem;
    margin-bottom: 2rem;
    color: #667eea;
}

.content-page h2 {
    font-size: 2rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: #764ba2;
}

.content-page p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    line-height: 1.8;
    color: #c0c0c0;
}

.content-page ul, .content-page ol {
    margin-left: 2rem;
    margin-bottom: 1.5rem;
    color: #c0c0c0;
}

.content-page li {
    margin-bottom: 0.8rem;
    line-height: 1.6;
}

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

    nav ul {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: rgba(10, 14, 39, 0.98);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.3);
        padding: 2rem 0;
    }

    nav ul.active {
        left: 0;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

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

    .game-container iframe {
        height: 500px;
    }

    .content-page h1 {
        font-size: 2rem;
    }

    .logo {
        font-size: 1.5rem;
    }
}