* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

body {
    height: 100vh;
    background: #0e0e14;
    color: #fff;
    overflow: hidden;
}


.bg {
    position: fixed;
    inset: 0;
    background:
        radial-gradient(circle at 20% 20%, rgba(140, 82, 255, 0.25), transparent 40%),
        radial-gradient(circle at 80% 80%, rgba(0, 180, 255, 0.2), transparent 40%);
    filter: blur(80px);
    z-index: 0;
}


.manga-bg {
    position: fixed;
    inset: 0;
    z-index: 1;
    pointer-events: none;
}

.manga-column {
    position: absolute;
    top: 0;
    width: 220px;
    height: 100vh;
    overflow: hidden;
    opacity: 0.35;
}

.manga-column.left {
    left: 40px;
}

.manga-column.right {
    right: 40px;
}

.manga-track {
    display: flex;
    flex-direction: column;
    animation: scroll-manga 60s linear infinite;
}

.manga-column.right .manga-track {
    animation-duration: 80s;
}

.manga-track img {
    width: 100%;
    display: block;
    margin-bottom: 24px;
    border-radius: 8px;
}


@keyframes scroll-manga {
    from {
        transform: translateY(0);
    }
    to {
        transform: translateY(-50%);
    }
}


.container {
    position: relative;
    z-index: 2;
    height: 100vh;

    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;

    text-align: center;
    padding: 20px;
}

.title {
    font-size: 64px;
    font-weight: 900;
    letter-spacing: 4px;
    margin-bottom: 20px;
}

.subtitle {
    font-size: 18px;
    opacity: 0.85;
    margin-bottom: 40px;
    line-height: 1.5;
}

.btn {
    display: inline-block;
    padding: 14px 28px;
    background: linear-gradient(135deg, #8c52ff, #00b4ff);
    color: #fff;
    text-decoration: none;
    font-weight: 600;
    border-radius: 12px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(140, 82, 255, 0.4);
}

.version {
    margin-top: 24px;
    font-size: 14px;
    opacity: 0.6;
}


.small-buttons {
    margin-top: 16px;
    display: flex;
    gap: 12px;
}

.small-btn {
    padding: 8px 16px;
    font-size: 13px;
    color: #fff;
    text-decoration: none;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(6px);
    transition: background 0.2s ease, transform 0.2s ease;
}

.small-btn:hover {
    background: rgba(255, 255, 255, 0.22);
    transform: translateY(-1px);
}