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

body,
html {
    width: 100%;
    height: 100%;
    overflow: hidden;
    /* Prevent scrolling */
    font-family: 'Noto Sans JP', sans-serif;
}

/* Background Video */
#bgVideo {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -1;
}

/* Overlay & Vignette */
.overlay {
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, transparent 50%, rgba(0, 30, 60, 0.3) 100%);
    /* Lighter vignette for minimal theme */
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

/* Full Screen Link */
.full-screen-link {
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    text-decoration: none;
    z-index: 10;
    color: white;
    /* Ensure text inside is white */
}

/* Site Title - Minimal Theme */
.site-title {
    font-family: 'Noto Sans JP', sans-serif;
    font-weight: 300;
    color: #ffffff;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
    letter-spacing: 0.2em;
    font-size: 1.1rem;
    position: absolute;
    top: 20px;
    background: rgba(0, 0, 0, 0.3);
    padding: 8px 16px;
    border-radius: 4px;
    backdrop-filter: blur(5px);
    width: auto;
    left: 50%;
    transform: translateX(-50%);
    z-index: 15;
    text-align: center;
}

/* Top Banner - Minimal Theme (Moved to bottom) */
.top-banner {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #fff;
    font-weight: 400;
    font-size: 0.85rem;
    padding: 15px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    position: absolute;
    bottom: 180px;
    /* Moved to bottom, above button */
    top: auto;
    /* Remove top positioning */
    width: 90%;
    text-align: center;
    line-height: 1.4;
    animation: fadeInDown 1s ease-out;
}

/* Content Area */
.content {
    text-align: center;
    margin-top: 120px;
}

/* Fake Button - Minimal Theme */
.fake-button {
    display: inline-block;
    background: #ffffff;
    color: #000;
    border-radius: 8px;
    font-weight: 500;
    font-size: 0.95rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    padding: 14px 24px;
    width: 85%;
    border: none;
    animation: none;
    transition: transform 0.2s, box-shadow 0.2s;
    text-align: center;
    line-height: 1.2;
}

.sub-text {
    color: #666;
    display: block;
    margin-top: 4px;
    font-size: 0.7rem;
}

/* Sound Toggle Button - Minimal Theme */
.sound-button {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    background: transparent;
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.5);
    padding: 10px 20px;
    border-radius: 30px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 300;
    display: flex;
    align-items: center;
    gap: 8px;
    backdrop-filter: blur(5px);
    transition: background 0.3s;
    z-index: 20;
}

.sound-button:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* Animations */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Mobile Adjustments (Consistent with V8 layout but using Minimal styling) */
@media (max-width: 600px) {
    .site-title {
        font-size: 1rem;
        top: 10px;
        width: auto;
        padding: 6px 12px;
    }

    .top-banner {
        font-size: 0.8rem;
        padding: 10px;
        width: 90%;
        top: auto;
        bottom: 170px;
        /* Positioned above the button on mobile */
    }

    /* Move the main button to the bottom area */
    .content {
        position: absolute;
        bottom: 90px;
        width: 100%;
        margin-top: 0;
    }

    .fake-button {
        padding: 12px 20px;
        font-size: 0.9rem;
        width: 80%;
    }

    .sound-button {
        bottom: 25px;
        transform: translateX(-50%) scale(0.9);
    }
}