.start-background {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100vw;
    height: 100vh;
    transform: translate(-50%, -50%);
    background-image: url('../assets/images/bg/start-bg.webp');
    background-size: cover;
    background-position: center;
    z-index: var(--z-index-background);
}

.start-content {
    position: relative;
    z-index: var(--z-index-content);
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 4cqh;
}

.start-title {
    width: 45cqw;
    max-width: 80%;
    height: auto;
    object-fit: contain;
    filter: drop-shadow(0 0 2cqw rgba(255, 255, 255, 0.15));
    animation: floatTitle 4s ease-in-out infinite alternate;
}

.start-button {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    outline: none;
    margin-top: -15cqh;
    transition: transform var(--transition-duration-normal) cubic-bezier(0.34, 1.56, 0.64, 1);
}

.start-button-image {
    width: 16cqw;
    height: auto;
    object-fit: contain;
    filter: drop-shadow(0 0 1.5cqw rgba(255, 255, 255, 0.2));
    animation: pulseButton 2s ease-in-out infinite alternate;
}

.start-button:hover {
    transform: scale(1.08);
}

.start-button:active {
    transform: scale(0.95);
}