.mecaben-top-banner {
    width: 100%;
    text-align: center;
    padding: 10px 0;
    font-size: 16px;
    font-weight: bold;
    z-index: 9999;
    position: relative;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.mecaben-top-banner-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}