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

body {
    font-family: 'Inter', sans-serif;
    background: #fef2f2;
    color: #1c1917;
    line-height: 1.7;
}

.age-overlay {
    position: fixed;
    inset: 0;
    background: linear-gradient(135deg, rgba(153, 27, 27, 0.96), rgba(127, 29, 29, 0.96));
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 999999;
    backdrop-filter: blur(10px);
}

.age-overlay.verified {
    display: none;
}

.age-dialog {
    background: #ffffff;
    padding: 4rem 3.5rem;
    border-radius: 24px;
    text-align: center;
    max-width: 500px;
    box-shadow: 0 35px 70px rgba(0, 0, 0, 0.4);
    border: 5px solid #dc2626;
}

.age-symbol {
    font-size: 5.5rem;
    margin-bottom: 2rem;
}

.age-dialog h2 {
    font-size: 2.4rem;
    margin-bottom: 1.5rem;
    color: #991b1b;
    font-weight: 900;
}

.age-dialog p {
    font-size: 1.12rem;
    margin-bottom: 1.2rem;
    color: #57534e;
    font-weight: 600;
}

.age-subtext {
    font-size: 1rem;
    font-style: italic;
    color: #78716c;
}

.age-choice {
    display: flex;
    flex-direction: column;
    gap: 1.3rem;
    margin-top: 2.8rem;
}

.age-choice button {
    padding: 1.4rem 3rem;
    font-size: 1.15rem;
    font-weight: 800;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Inter', sans-serif;
}

.accept-btn {
    background: linear-gradient(135deg, #dc2626, #991b1b);
    color: white;
}

.accept-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 15px 30px rgba(220, 38, 38, 0.4);
}

.reject-btn {
    background: white;
    color: #991b1b;
    border: 3px solid #991b1b;
}

.reject-btn:hover {
    background: #fef2f2;
}

.site-header {
    background: white;
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 99999;
    border-bottom: 4px solid #dc2626;
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1.4rem 2.8rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.site-branding {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 5px;
}

.menu-bar {
    width: 32px;
    height: 4px;
    background: #dc2626;
    border-radius: 4px;
    transition: 0.3s;
}

.site-navigation {
    display: flex;
    gap: 2.8rem;
}

.site-navigation a {
    text-decoration: none;
    color: #1c1917;
    font-weight: 700;
    font-size: 1.05rem;
    transition: all 0.3s ease;
    position: relative;
}

.site-navigation a::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 0;
    width: 0;
    height: 4px;
    background: linear-gradient(90deg, #dc2626, #991b1b);
    transition: width 0.3s ease;
}

.site-navigation a:hover::after {
    width: 100%;
}

.site-navigation a:hover {
    color: #dc2626;
}

.hero-banner {
    background: linear-gradient(135deg, #dc2626 0%, #991b1b 50%, #7f1d1d 100%);
    padding: 8rem 2.8rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        repeating-linear-gradient(45deg, transparent, transparent 35px, rgba(255,255,255,.05) 35px, rgba(255,255,255,.05) 70px);
}

.hero-inner {
    position: relative;
    z-index: 2;
    max-width: 1000px;
    margin: 0 auto;
    color: white;
}

.hero-inner h1 {
    font-size: 4.2rem;
    font-weight: 900;
    margin-bottom: 2rem;
    text-shadow: 4px 4px 8px rgba(0, 0, 0, 0.4);
}

.hero-lead {
    font-size: 1.7rem;
    margin-bottom: 1.8rem;
    font-weight: 700;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-description {
    font-size: 1.3rem;
    margin-bottom: 3rem;
    font-weight: 400;
    line-height: 1.9;
}

.hero-action {
    display: inline-block;
    padding: 1.5rem 4rem;
    background: white;
    color: #991b1b;
    text-decoration: none;
    border-radius: 12px;
    font-weight: 900;
    font-size: 1.3rem;
    transition: all 0.3s ease;
    box-shadow: 0 18px 36px rgba(0, 0, 0, 0.3);
}

.hero-action:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.4);
}

.content-wrap {
    max-width: 1350px;
    margin: 0 auto;
    padding: 0 2.8rem;
}

.about-section {
    padding: 7rem 0;
    background: white;
}

.about-section h2 {
    text-align: center;
    font-size: 3.8rem;
    margin-bottom: 2.2rem;
    color: #991b1b;
    font-weight: 900;
}

.intro-paragraph {
    text-align: center;
    font-size: 1.35rem;
    max-width: 950px;
    margin: 0 auto 5rem;
    color: #57534e;
    line-height: 1.9;
    font-weight: 600;
}

.features-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 3rem;
}

.feature-box {
    background: linear-gradient(135deg, #fee2e2 0%, #fecaca 100%);
    padding: 3.5rem 2.8rem;
    border-radius: 20px;
    text-align: center;
    transition: all 0.3s ease;
    border: 3px solid #fca5a5;
}

.feature-box:hover {
    transform: translateY(-18px);
    box-shadow: 0 28px 56px rgba(220, 38, 38, 0.3);
    border-color: #dc2626;
}

.feature-icon {
    font-size: 5.5rem;
    margin-bottom: 2rem;
}

.feature-box h3 {
    font-size: 2.3rem;
    margin-bottom: 1.5rem;
    color: #991b1b;
    font-weight: 900;
}

.feature-box p {
    color: #57534e;
    font-size: 1.15rem;
    line-height: 1.8;
    font-weight: 600;
}

.notice-zone {
    padding: 6.5rem 0;
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
}

.important-notice {
    background: white;
    padding: 4.5rem;
    border-radius: 22px;
    border: 6px solid #f59e0b;
    box-shadow: 0 22px 44px rgba(0, 0, 0, 0.15);
}

.important-notice h3 {
    font-size: 2.8rem;
    margin-bottom: 3rem;
    color: #d97706;
    font-weight: 900;
    text-align: center;
}

.notice-points {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.notice-point {
    padding: 2rem;
    background: #fffbeb;
    border-radius: 14px;
    border-left: 7px solid #fbbf24;
    font-size: 1.18rem;
    color: #78350f;
    font-weight: 600;
}

.notice-point strong {
    color: #92400e;
    font-weight: 900;
}

.game-display {
    padding: 7rem 0;
    background: white;
}

.game-display h2 {
    text-align: center;
    font-size: 3.8rem;
    margin-bottom: 2.2rem;
    color: #991b1b;
    font-weight: 900;
}

.game-container {
    max-width: 1050px;
    margin: 0 auto;
    border-radius: 22px;
    overflow: hidden;
    box-shadow: 0 32px 64px rgba(0, 0, 0, 0.25);
    border: 6px solid #dc2626;
}

.game-container iframe {
    width: 100%;
    height: 720px;
    border: none;
    display: block;
}

.advantages-section {
    padding: 7rem 0;
    background: #fafaf9;
}

.advantages-section h2 {
    text-align: center;
    font-size: 3.8rem;
    margin-bottom: 5rem;
    color: #991b1b;
    font-weight: 900;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 3.5rem;
}

.advantage-card {
    background: white;
    padding: 3.2rem;
    border-radius: 18px;
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.advantage-card:hover {
    transform: translateY(-12px);
    box-shadow: 0 24px 48px rgba(220, 38, 38, 0.25);
    border-color: #dc2626;
}

.card-number {
    display: inline-block;
    font-size: 4rem;
    font-weight: 900;
    color: #dc2626;
    margin-bottom: 1.8rem;
    font-style: italic;
}

.advantage-card h4 {
    font-size: 2.1rem;
    margin-bottom: 1.3rem;
    color: #1c1917;
    font-weight: 900;
}

.advantage-card p {
    color: #78716c;
    font-size: 1.12rem;
    line-height: 1.8;
    font-weight: 600;
}

.values-section {
    padding: 7rem 0;
    background: linear-gradient(135deg, #991b1b 0%, #dc2626 100%);
    color: white;
}

.values-content {
    max-width: 1050px;
    margin: 0 auto;
    text-align: center;
}

.values-content h2 {
    font-size: 3.8rem;
    margin-bottom: 2.8rem;
    font-weight: 900;
}

.values-content p {
    font-size: 1.35rem;
    margin-bottom: 2.2rem;
    line-height: 1.9;
    font-weight: 600;
}

.site-footer {
    background: #1c1917;
    color: white;
    padding: 5.5rem 0 2.8rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(310px, 1fr));
    gap: 4.5rem;
    margin-bottom: 4rem;
}

.footer-block h4 {
    font-size: 1.9rem;
    margin-bottom: 2rem;
    color: #dc2626;
    font-weight: 900;
}

.footer-block p {
    color: #d6d3d1;
    line-height: 1.9;
    font-size: 1.12rem;
    font-weight: 600;
}

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

.footer-block ul li {
    margin-bottom: 1.1rem;
}

.footer-block ul li a {
    color: #d6d3d1;
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: 1.12rem;
    font-weight: 600;
}

.footer-block ul li a:hover {
    color: #dc2626;
}

.footer-legal {
    text-align: center;
    padding-top: 2.8rem;
    border-top: 3px solid #44403c;
    color: #a8a29e;
    font-size: 1.12rem;
    font-weight: 600;
}

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

    .site-navigation {
        position: fixed;
        left: -100%;
        top: 88px;
        flex-direction: column;
        background: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.18);
        padding: 3rem 0;
        gap: 0;
    }

    .site-navigation.show {
        left: 0;
    }

    .site-navigation a {
        padding: 1.6rem 0;
    }

    .hero-inner h1 {
        font-size: 3rem;
    }

    .hero-lead {
        font-size: 1.4rem;
    }

    .hero-description {
        font-size: 1.15rem;
    }

    .about-section h2,
    .game-display h2,
    .advantages-section h2,
    .values-content h2 {
        font-size: 2.8rem;
    }

    .intro-paragraph {
        font-size: 1.2rem;
    }

    .game-container iframe {
        height: 520px;
    }

    .age-dialog {
        padding: 3.2rem 2.8rem;
        margin: 2rem;
    }

    .age-dialog h2 {
        font-size: 2rem;
    }

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

    .features-row {
        grid-template-columns: 1fr;
    }
}