@charset "UTF-8";
html {
  font-size: 62.5%;
}

body {
  font-size: 1.6rem;
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", YuGothic, "ヒラギノ角ゴ ProN W3", Hiragino Kaku Gothic ProN, Arial, "メイリオ", Meiryo, sans-serif;
}

a {
  transition: all 0.2s;
}

a:hover {
  opacity: 0.7;
}

.btn a:hover {
  opacity: 1;
}

.content_wrap {
  width: 1100px;
  margin: 0 auto;
}

.txt {
  font-size: 18px;
  line-height: 1.8;
  color: #37373C;
  letter-spacing: 1px;
}

.btn_contact:hover {
  opacity: 0.8;
}

li {
  list-style-type: none;
}

a {
  text-decoration: none;
}