@charset "UTF-8";
/* CSS Document */
html {
  font-size: 62.5%; /* 16px * 62.5% = 10px */
  width: 100%;
}
body {
  color: #333; /* RGB */
  font-family: "Kozuka Gothic Pr6N" ,"游ゴシック体", YuGothic, "游ゴシック", "Yu Gothic", "メイリオ", sans-serif;
  font-weight: 500;
  font-size: 1.6em;
  line-height: 1.5;
  text-align: center;
  }
section h2 {
  font-size: 2.4rem;
}
a:hover {
  opacity: 0.5;
}

*, *:before, *:after {
  box-sizing: border-box;
}

#scroll-top {
  background-color: #eee;
  opacity: 0.9;
  bottom: 20px;
  padding: 10px;
  position: fixed;
  right: 20px;
}
#scroll-top a {
  text-decoration: none;
  color: #333;
}