:root{--background:#ffffff;--foreground:#000}body,html{max-width:100vw;overflow-x:hidden;font-family:var(--font-open-sans),var(--font-shippori-mincho),sans-serif;font-size:14px}body{color:var(--foreground);background:var(--background);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box;padding:0;margin:0}a{color:inherit;text-decoration:none}