html{scroll-behavior:smooth;}
body{margin:0px;padding:0px;font-size:20px;line-height:2;font-feature-settings:"palt";font-family: "游ゴシック Medium", "Yu Gothic Medium", "游ゴシック体", "YuGothic", "ヒラギノ角ゴ ProN W3", "Hiragino Kaku Gothic ProN", "メイリオ", "Meiryo", "verdana", sans-serif;}
img{border:none;margin:0px auto;padding:0px;display:block;z-index:1;height:auto;max-width:100%;width:100%;}
a{text-decoration:none;color:black;}
a:hover img{opacity:.6;transition-duration:.3s;z-index:9999;transform: translate(5px,5px)}
ul{list-style-type:none;margin:0;padding:0;}
img.pc{display:block;}
img.sp{display:none;}

header,article,footer{display:block;width:100%;max-width:50em;margin:0 auto;}
article{background:#8d0209}
a.btn{width:40.9em;margin:4em auto;display:block;}
a.back_btn{width:31.1em;margin:0em auto;display:block;}
section{padding-top:2em;}
section#form{width:39em;padding:1em;border-radius:.75em;margin:1em auto;background:white;}
section#form iframe.pc{display:block;border:none;width:100%;height:830px;}
section#form iframe.sp{display:none;}
section#form p{text-align:center;}

footer{padding:4em 0 6em;}

@media all and (min-width: 0) and (max-width: 749px)  {
body{font-size:2vw;}
img.sp{display:block;}
img.pc{display:none;}
section#form{width:90%}
section#form iframe.pc{display:none;}
section#form iframe.sp{display:block;border:none;height:1000px;width:100%;}
section#form p{font-size:1.5em;}
}