@import url('https://fonts.googleapis.com/css2?family=Sora:wght@300;400;500;600;700&family=Source+Sans+3:wght@300;400;500;600&display=swap');

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

:root {
    --crimson: #dc2626;
    --dark-red: #7f1d1d;
    --black-cherry: #1a0505;
    --soft-pink: #fecaca;
    --silver: #d4d4d8;
    --blood-orange: #ea580c;
}

body {
    font-family: 'Source Sans 3', sans-serif;
    background: var(--black-cherry);
    color: var(--silver);
    min-height: 100vh;
    line-height: 1.7;
}

.top-header {
    background: linear-gradient(90deg, rgba(127, 29, 29, 0.9) 0%, rgba(26, 5, 5, 0.95) 50%, rgba(127, 29, 29, 0.9) 100%);
    border-bottom: 1px solid var(--crimson);
    padding: 0.85rem 1.5rem;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-inner {
    max-width: 1450px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
}

.brand-link svg {
    width: 44px;
    height: 44px;
}

.brand-text {
    font-family: 'Sora', sans-serif;
    font-size: 1.65rem;
    font-weight: 700;
    color: var(--crimson);
    letter-spacing: 1px;
}

.menu-trigger {
    display: none;
    background: none;
    border: 1px solid var(--crimson);
    padding: 0.5rem;
    cursor: pointer;
    border-radius: 5px;
}

.menu-trigger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--crimson);
    margin: 5px 0;
}

.main-menu ul {
    display: flex;
    list-style: none;
    gap: 0.3rem;
}

.main-menu a {
    color: var(--silver);
    text-decoration: none;
    padding: 0.55rem 1rem;
    font-weight: 500;
    font-size: 0.95rem;
    border-radius: 6px;
    transition: all 0.2s;
}

.main-menu a:hover {
    background: rgba(220, 38, 38, 0.2);
    color: var(--soft-pink);
}

.showcase-banner {
    padding: 4.5rem 2rem;
    text-align: center;
    background: radial-gradient(ellipse at top, rgba(127, 29, 29, 0.4) 0%, transparent 60%);
}

.showcase-banner h1 {
    font-family: 'Sora', sans-serif;
    font-size: 3.1rem;
    font-weight: 700;
    color: var(--crimson);
    margin-bottom: 1.25rem;
}

.showcase-banner > p {
    font-size: 1.1rem;
    max-width: 820px;
    margin: 0 auto;
}

.notice-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
    max-width: 1200px;
    margin: 3rem auto;
    padding: 0 1.5rem;
}

.notice-item {
    background: rgba(127, 29, 29, 0.4);
    border: 1px solid var(--dark-red);
    border-radius: 10px;
    padding: 1.75rem;
    text-align: center;
}

.notice-item h3 {
    font-family: 'Sora', sans-serif;
    color: var(--soft-pink);
    font-size: 1.1rem;
    margin-bottom: 0.6rem;
}

.game-stage {
    max-width: 1450px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

.game-stage h2 {
    font-family: 'Sora', sans-serif;
    text-align: center;
    font-size: 2rem;
    color: var(--crimson);
    margin-bottom: 1.5rem;
}

.game-container {
    background: rgba(127, 29, 29, 0.3);
    border: 2px solid var(--crimson);
    border-radius: 16px;
    padding: 0.6rem;
    box-shadow: 0 0 50px rgba(220, 38, 38, 0.2);
}

.game-container iframe {
    width: 100%;
    height: 580px;
    border: none;
    border-radius: 12px;
    display: block;
}

.details-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    max-width: 1250px;
    margin: 3.5rem auto;
    padding: 0 1.5rem;
}

.detail-box {
    background: linear-gradient(180deg, rgba(127, 29, 29, 0.3) 0%, rgba(26, 5, 5, 0.8) 100%);
    border-radius: 12px;
    padding: 1.75rem;
    border-bottom: 3px solid var(--blood-orange);
}

.detail-box h3 {
    font-family: 'Sora', sans-serif;
    color: var(--crimson);
    margin-bottom: 0.6rem;
    font-size: 1.15rem;
}

.article-area {
    max-width: 920px;
    margin: 0 auto;
    padding: 3rem 2rem;
}

.article-area h1 {
    font-family: 'Sora', sans-serif;
    font-size: 2.5rem;
    color: var(--crimson);
    text-align: center;
    margin-bottom: 2rem;
}

.article-area h2 {
    font-family: 'Sora', sans-serif;
    font-size: 1.3rem;
    color: var(--soft-pink);
    margin: 2rem 0 0.75rem;
    border-left: 3px solid var(--crimson);
    padding-left: 1rem;
}

.article-area p {
    margin-bottom: 1rem;
}

.article-area ul {
    margin: 1rem 0 1.5rem 1.5rem;
}

.article-area li {
    margin-bottom: 0.5rem;
}

.bottom-section {
    background: rgba(127, 29, 29, 0.5);
    border-top: 1px solid var(--crimson);
    padding: 2.5rem 1.5rem;
    margin-top: 3rem;
}

.bottom-inner {
    max-width: 1100px;
    margin: 0 auto;
    text-align: center;
}

.bottom-inner h4 {
    font-family: 'Sora', sans-serif;
    color: var(--soft-pink);
    margin-bottom: 1.25rem;
}

.external-links {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.external-links a {
    color: var(--silver);
    text-decoration: none;
    padding: 0.5rem 1.25rem;
    border: 1px solid var(--dark-red);
    border-radius: 20px;
    font-size: 0.9rem;
    transition: all 0.2s;
}

.external-links a:hover {
    background: var(--crimson);
    color: white;
    border-color: var(--crimson);
}

.fine-print {
    color: rgba(212, 212, 216, 0.5);
    font-size: 0.85rem;
}

.gate-screen {
    position: fixed;
    inset: 0;
    background: rgba(26, 5, 5, 0.98);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10000;
}

.gate-screen.hidden {
    display: none;
}

.gate-modal {
    background: var(--dark-red);
    border: 2px solid var(--crimson);
    border-radius: 16px;
    padding: 2.5rem;
    max-width: 460px;
    margin: 1rem;
    text-align: center;
}

.gate-modal h2 {
    font-family: 'Sora', sans-serif;
    color: var(--soft-pink);
    font-size: 1.65rem;
    margin-bottom: 1rem;
}

.gate-modal p {
    margin-bottom: 1.5rem;
}

.gate-choices {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.gate-choices button {
    padding: 0.85rem 2rem;
    font-family: 'Sora', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
}

.choice-enter {
    background: var(--crimson);
    color: white;
}

.choice-enter:hover {
    transform: scale(1.03);
    box-shadow: 0 5px 20px rgba(220, 38, 38, 0.4);
}

.choice-leave {
    background: transparent;
    border: 1px solid var(--silver) !important;
    color: var(--silver);
}

.choice-leave:hover {
    background: rgba(212, 212, 216, 0.1);
}

.guide-block {
    background: rgba(127, 29, 29, 0.4);
    border: 1px solid var(--dark-red);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.guide-block h3 {
    font-family: 'Sora', sans-serif;
    color: var(--soft-pink);
    margin-bottom: 0.6rem;
}

@media (max-width: 900px) {
    .notice-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .menu-trigger {
        display: block;
    }

    .main-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--dark-red);
        border-bottom: 1px solid var(--crimson);
        display: none;
    }

    .main-menu.active {
        display: block;
    }

    .main-menu ul {
        flex-direction: column;
        padding: 0.75rem;
    }

    .main-menu a {
        display: block;
        padding: 0.9rem;
    }

    .showcase-banner h1 {
        font-size: 2.2rem;
    }

    .brand-text {
        font-size: 1.3rem;
    }

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

    .gate-choices {
        flex-direction: column;
    }
}