body { font-family: Arial, sans-serif; } h1 { color: green; } h2 { color: brown; } .superfood-section { margin-bottom: 20px; } .recipe-box { background-color: lightyellow; border: 1px solid brown; padding: 10px; margin-top: 20px; } img { width: 100%; max-width: 600px; height: auto; } スーパーフード: 健康を支える…