/* reset.css — ブラウザデフォルトのリセット */

*{box-sizing:border-box;}
html,body{height:100%;}
a:hover{text-decoration:none;}
.nav-toggle summary::-webkit-details-marker{display:none;}
button.btn{
  appearance:none;
  -webkit-appearance:none;
  -moz-appearance:none;
  border:none;
  font-family:inherit;
  cursor:pointer;
}
.detail-category summary::-webkit-details-marker{display:none;}
.faq-qa details summary::-webkit-details-marker{display:none;}