// CSS記述分岐用スクリプト

var IsWin = (navigator.userAgent.indexOf("Win") >= 0);
if (IsWin) {
document.write('<link rel="stylesheet" href="css/style.css" type="text/css">');
}
else {
document.write('<link rel="stylesheet" href="css/style_mac.css" type="text/css">');
}