:root{color-scheme:light dark;font-family:system-ui,-apple-system,"Noto Sans JP",sans-serif}body{max-width:760px;margin:0 auto;padding:40px 24px;line-height:1.9;overflow-wrap:anywhere}h1{font-size:1.8rem;line-height:1.5}h2{font-size:1.2rem;margin-top:2rem}a{color:#445ac7}@media(prefers-color-scheme:dark){a{color:#aebcff}}.card{margin-top:28px;padding:24px;border:1px solid #8885;border-radius:16px}.meta,footer{color:#666;font-size:.9rem}footer{margin-top:40px}@media(prefers-color-scheme:dark){.meta,footer{color:#bbb}}