body {
    margin: 0;
    background-color: #f0f0f0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

.notice {
    background-color: #fff;
    color: #333;
    font-size: large;
    text-align: center;
    padding: 10px;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    margin-bottom: 5px;
}

.notice p {
    margin: 0;
}

.notice a {
    color: #007bff;
    text-decoration: none;
}

.notice a:hover {
    text-decoration: underline;
}

#image-grid {
    display: flex;
    flex-wrap: wrap;
    padding: 5px;
    gap: 5px;
    justify-content: center;
}

#image-grid canvas {
    transition: transform 0.2s ease-in-out;
}

#image-grid canvas:hover {
    transform: scale(1.1);
    z-index: 10;
    position: relative;
}