body { font-family: system-ui, sans-serif; margin: 0; line-height: 1.55; color: #1d2b1d; background: #fff; }
#progress { position: fixed; top: 0; left: 0; height: 4px; width: 0; background: #2e7d32; z-index: 10; pointer-events: none; }
main { max-width: 720px; margin: 0 auto; padding: 24px 20px 80px; min-height: 130vh; }
h1 { margin: 8px 0 4px; }
.lead { font-size: 1.15rem; color: #3b4f3b; }
.muted { color: #888; font-size: 13px; margin: 4px 0; }
.toc { background: #f3f8f3; border: 1px solid #d5e5d5; border-radius: 10px; padding: 10px 16px; margin: 16px 0; }
.toc ol { margin: 6px 0 0; padding-left: 20px; }
.toc a { color: #2e7d32; text-decoration: none; }
.toc a:hover { text-decoration: underline; }
.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 20px 0 4px; }
figure { margin: 0; cursor: zoom-in; }
figure img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; display: block; border-radius: 10px; transition: transform .15s; }
figure:hover img { transform: scale(1.03); }
figcaption { font-size: 13px; color: #666; margin-top: 4px; }
figure.zoom { grid-column: 1 / -1; cursor: zoom-out; }
details { border: 1px solid #cfe0cf; border-radius: 10px; padding: 0 14px; margin: 10px 0; background: #f7fbf7; scroll-margin-top: 12px; }
summary { cursor: pointer; padding: 12px 0; font-weight: 600; }
summary, .star, .toc a { scroll-margin-top: 24px; }
details[open] summary { color: #2e7d32; }
.rating { display: flex; gap: 6px; margin: 8px 0; }
.star { font-size: 28px; line-height: 1; padding: 4px 8px; color: #c9c9c9; background: #fff; border: 1px solid #ddd; border-radius: 8px; cursor: pointer; transition: transform .15s; }
.star:hover { transform: scale(1.15); }
.star.on { color: #f2b01e; border-color: #f2b01e; }
@media (max-width: 520px) {
    .gallery { grid-template-columns: 1fr; }
}