@tailwind base;@tailwind components;@tailwind utilities;:root{color-scheme:light}body{margin:0;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Noto Sans JP,Helvetica,Arial,sans-serif;background:#f8fafc;color:#0f172a}main{max-width:860px;margin:0 auto;padding:2rem 1rem}article{border:1px solid #e2e8f0;background:#fff;border-radius:16px;padding:1rem;margin-bottom:1rem}