@charset "UTF-8";
*, *:before, *:after {
  box-sizing: border-box;
}

body {
  width: 100%;
  font-size: 14px;
  text-size-adjust: 100%;
  letter-spacing: 1px;
  color: #000;
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "メイリオ", Meiryo, "游ゴシック", YuGothic, "ヒラギノ角ゴ ProN W3", Hiragino Kaku Gothic ProN, Arial, sans-serif;
  margin: 0;
}

#wrapper {
  overflow-x: hidden;
  text-align: center;
}
a {
  transition: .4s;
  text-decoration: none;
}
a:hover{
  opacity: .7;
}
h1{
  margin: 0;
}
img {
  max-width: 100%;
  height: auto;
  vertical-align: bottom;
}
#mainVisual {
  background-color: #fff;
}
#mainVisual img {
  width: 100%;
  max-width: 900px;
}
main {
  padding: 0 .5rem 40px;
}
main img {
  margin-top: 1rem;
}
main .link {
  text-align: center;
  margin: 1rem 0 0;
}
main .link a {
  color: #000;
  text-decoration: underline;
  font-weight: bold;
  font-size: 12px;
}
footer {
  background-color: #fff000;
  padding-top: 80px;
}
footer #btnWrap {
  width: 100%;
  height: 80px;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: #fff000;
  position: fixed;
  left: 0;
  bottom: 0;
  text-align: center;
}
footer #btnWrap img {
  width: auto;
  max-width: 240px;
}
footer #footerTxt {
  letter-spacing: -2px;
  padding-bottom: 2rem;
  font-weight: bold;
}
footer #footerTxt p {
  font-size: 13px;
}
footer #footerTxt small {
  font-size: 12px;
}
@media screen and (min-width: 768px) {
  main {
    max-width: 900px;
    margin: auto;
    padding-bottom: 80px;
  }
  main img {
    margin-top: 4rem;
  }
  main .link {
    margin-top: 4rem;
  }
  main .link a {
    font-size: 18px;
  }
  footer {
    padding-top: 160px;
  }
  footer #btnWrap {
    height: 160px;
  }
  footer #btnWrap img {
    max-width: 480px;
  }
  footer #footerTxt p {
    font-size: 19px;
  }
  footer #footerTxt small {
    font-size: 14px;
  }
}