:root{--background:#e3e8ee;--foreground:#171717}body,html{max-width:100vw;overflow-x:hidden;font-family:Roboto,Noto Sans JP,Helvetica,sans-serif}body{color:var(--foreground);background:var(--background);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box;padding:0;margin:0}button{padding:revert;margin:revert}a{color:inherit;text-decoration:none}#appLocker{display:none;position:fixed;top:0;left:0;width:100vw;height:100vh;background:rgba(0,0,0,.52);z-index:1000}summary{cursor:pointer;-webkit-user-select:none;-moz-user-select:none;user-select:none}