body { font-family: 'Inter', 'Noto Sans JP', sans-serif; color: #333; line-height: 1.6; background-color: #f8f8f8; } .container { max-width: 800px; margin: 2rem auto; padding: 1.5rem; background-color: #fff; border-radius: 0.75rem; box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1); } h1, h2, h3 { color: #2c3…