body {
    margin: 0;
    font-family: system-ui, sans-serif;
    line-height: 1.6;
    color: #333;
    background: #f5f5f5;
}

main {
    max-width: 760px;
    margin: 0 auto;
    padding: 2rem 1rem 4rem;
}

h1 {
    margin-bottom: 0;
}

.tagline {
    margin-top: 0;
    color: #666;
}

.notice {
    padding: 0.75rem 1rem;
    background: #fff8e1;
    border-left: 4px solid #f9a825;
    border-radius: 4px;
}

figure {
    margin: 2rem 0;
}

img {
    width: 100%;
    height: auto;
    border: 1px solid #ddd;
    border-radius: 6px;
    cursor: zoom-in;
}

img.zoomed {
    cursor: zoom-out;
    position: fixed;
    inset: 0;
    width: 100vw;
    height: 100vh;
    object-fit: contain;
    background: rgba(0, 0, 0, 0.85);
    border: 0;
    border-radius: 0;
    z-index: 10;
}

figcaption {
    margin-top: 0.4rem;
    font-size: 0.9rem;
    color: #666;
}

footer {
    margin-top: 3rem;
    font-size: 0.9rem;
    color: #666;
}

a {
    color: #007bff;
}

ul {
    padding-left: 1.2rem;
}

code {
    background: #e8e8e8;
    padding: 0.1rem 0.3rem;
    border-radius: 3px;
}