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

body {
    font-family: 'Inter', sans-serif;
    background: #ffffff;
    color: #1a1a1a;
    line-height: 1.6;
}

.site-header {
    background: #ffffff;
    border-bottom: 2px solid #F59E0B;
    padding: 1.25rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.header-inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: #1a1a1a;
}

.brand span {
    font-size: 1.75rem;
    font-weight: 900;
    letter-spacing: 1px;
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 4px;
}

.nav-toggle span {
    width: 28px;
    height: 3px;
    background: #1a1a1a;
    border-radius: 3px;
    transition: 0.3s;
}

.main-nav {
    display: flex;
    gap: 3rem;
}

.main-nav a {
    color: #1a1a1a;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
    position: relative;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #F59E0B;
    transition: width 0.3s;
}

.main-nav a:hover {
    color: #F59E0B;
}

.main-nav a:hover::after {
    width: 100%;
}

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

.split-hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    padding: 5rem 0;
    align-items: center;
}

.hero-left h1 {
    font-size: 4rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 2rem;
    color: #F59E0B;
}

.hero-left p {
    font-size: 1.2rem;
    margin-bottom: 2.5rem;
    color: #555;
}

.primary-btn {
    display: inline-block;
    padding: 1.25rem 3rem;
    background: #F59E0B;
    color: #000;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    border-radius: 8px;
    transition: transform 0.3s, box-shadow 0.3s;
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.3);
}

.primary-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 25px rgba(245, 158, 11, 0.4);
}

.hero-right {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-visual {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.visual-card {
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg, #FEF3C7, #FDE68A);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s;
}

.visual-card:hover {
    transform: scale(1.1) rotate(5deg);
}

.core-values {
    background: #FFFBEB;
    padding: 4rem 2rem;
}

.values-container {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
}

.value-item {
    text-align: center;
}

.value-item h3 {
    font-size: 1.75rem;
    color: #D97706;
    margin-bottom: 1rem;
}

.value-item p {
    font-size: 1.1rem;
    color: #555;
}

.game-section {
    padding: 5rem 0;
}

.content-box {
    max-width: 1400px;
    margin: 0 auto;
}

.content-box h2 {
    font-size: 2.5rem;
    font-weight: 900;
    color: #F59E0B;
    text-align: center;
    margin-bottom: 1.5rem;
}

.game-text {
    text-align: center;
    font-size: 1.1rem;
    color: #555;
    margin-bottom: 3rem;
}

.game-embed {
    background: #f5f5f5;
    padding: 1.5rem;
    border-radius: 15px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
}

.game-embed iframe {
    width: 100%;
    height: 600px;
    border: none;
    border-radius: 10px;
}

.advantages {
    background: #FFFBEB;
    padding: 5rem 0;
}

.advantages-layout {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.adv-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    border-left: 4px solid #F59E0B;
}

.adv-number {
    font-size: 2.5rem;
    font-weight: 900;
    color: #F59E0B;
    opacity: 0.3;
    margin-bottom: 1rem;
}

.adv-card h4 {
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
    color: #1a1a1a;
}

.adv-card p {
    color: #555;
}

.key-notices {
    padding: 5rem 0;
}

.notices-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.notice-card {
    background: #f5f5f5;
    padding: 2.5rem;
    border-radius: 12px;
    border: 2px solid #F59E0B;
}

.notice-card h3 {
    font-size: 1.5rem;
    color: #D97706;
    margin-bottom: 1rem;
}

.notice-card p {
    color: #555;
    line-height: 1.8;
}

.site-footer {
    background: #1a1a1a;
    color: white;
    padding: 3rem 0;
    margin-top: 5rem;
}

.footer-inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 3rem;
}

.footer-block h4 {
    color: #F59E0B;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

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

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

.footer-block a:hover {
    color: #F59E0B;
}

.footer-block p {
    color: #999;
    margin-top: 0.5rem;
}

.age-verify-overlay {
    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-verify-overlay.active {
    display: flex;
}

.age-verify-content {
    background: white;
    padding: 3.5rem;
    border-radius: 15px;
    text-align: center;
    max-width: 550px;
    border: 3px solid #F59E0B;
}

.age-verify-content h2 {
    color: #F59E0B;
    font-size: 2.2rem;
    font-weight: 900;
    margin-bottom: 1.5rem;
}

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

.age-verify-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 2.5rem;
}

.age-verify-buttons button {
    flex: 1;
    padding: 1.25rem;
    border: none;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.3s;
}

.verify-yes {
    background: #10B981;
    color: white;
}

.verify-no {
    background: #EF4444;
    color: white;
}

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

.page-intro {
    padding: 4rem 0;
    text-align: center;
}

.page-intro h1 {
    font-size: 3rem;
    font-weight: 900;
    color: #F59E0B;
    margin-bottom: 1.5rem;
}

.page-intro p {
    font-size: 1.15rem;
    color: #555;
    max-width: 800px;
    margin: 0 auto;
}

.full-game {
    padding: 3rem 0;
}

.game-embed-large {
    background: #f5f5f5;
    padding: 1.5rem;
    border-radius: 15px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
}

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

.instructions {
    padding: 4rem 0;
    background: #FFFBEB;
}

.instructions h2 {
    text-align: center;
    font-size: 2rem;
    font-weight: 900;
    color: #F59E0B;
    margin-bottom: 3rem;
}

.instructions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.instruction-box {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

.instruction-box h4 {
    color: #D97706;
    margin-bottom: 0.75rem;
    font-size: 1.2rem;
}

.legal-section {
    padding: 4rem 0;
}

.legal-document {
    background: #f5f5f5;
    padding: 3.5rem;
    border-radius: 15px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
}

.legal-document h1 {
    color: #F59E0B;
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 1rem;
}

.date-stamp {
    color: #777;
    font-style: italic;
    margin-bottom: 3rem;
}

.legal-document h2 {
    color: #D97706;
    font-size: 1.5rem;
    margin-top: 2.5rem;
    margin-bottom: 1rem;
}

.legal-document ul {
    margin-left: 2rem;
    margin-bottom: 1.5rem;
}

.legal-document li {
    margin-bottom: 0.75rem;
}

.alert-box {
    background: #FEF3C7;
    border: 3px solid #F59E0B;
    padding: 2rem;
    margin-top: 3rem;
    border-radius: 12px;
    text-align: center;
}

.alert-box h3 {
    color: #D97706;
    margin-bottom: 0.75rem;
    font-size: 1.4rem;
}

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

    .main-nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        gap: 0;
        padding: 1.5rem;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        display: none;
    }

    .main-nav.active {
        display: flex;
    }

    .main-nav a {
        padding: 1rem 0;
        border-bottom: 1px solid #f0f0f0;
    }

    .split-hero {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

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

    .hero-visual {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

    .visual-card {
        width: 100px;
        height: 100px;
        font-size: 2.5rem;
    }

    .game-embed iframe,
    .game-embed-large iframe {
        height: 400px;
    }

    .values-container,
    .advantages-layout,
    .notices-grid,
    .instructions-grid {
        grid-template-columns: 1fr;
    }
}