body { font: 16px/1.5 system-ui, sans-serif; max-width: 40rem; margin: 2rem auto; padding: 0 1rem; }
th { text-align: left; padding: .3rem 1rem .3rem 0; color: #666; font-weight: normal; }
td { font-family: ui-monospace, monospace; }
.ghi-chu { color: #0a7a2f; }