@import "PC_style.css" (min-width:1000px);
@import "MOB_style.css" (max-width:1000px);
*{box-sizing: border-box;}
body,html{ margin:0; padding:0; font-family:Arial, Helvetica, sans-serif;}
a{text-decoration: none;}
ul{list-style: none;margin:0; padding:0;}