html, body {
  height: 100%;

  -webkit-text-size-adjust: 100%;
}

body {
  position: relative;
  text-align: center;
  color: #000000;
  background: #fff;
  font-family: 'ヒラギノ角ゴ Pro W3', 'Hiragino Kaku Gothic Pro', 'メイリオ', Meiryo, Osaka, 'ＭＳ Ｐゴシック', 'MS PGothic', sans-serif;
  font-size: 12px;
  line-height: 30px;
}

a {
  padding-bottom: 5px;
  text-decoration: none;
  color: #37c600;
  border-bottom: 1px dotted #37c600;
}

a:hover {
  border-bottom: none;
}

.box {
  padding: 2em;
  text-align: center;
  font-size: 1.6em;
  line-height: 2;
}

.box h1 {
  font-size: 1.5em;
}

.box p {
  padding: 0 0 2em;
}

.box span {
  color: #37c600;
}

.os {
  padding: 1em 0;
  font-size: 1.5em;
  font-weight: bold;
}

.os .iphone {
  display: none;
}

.os .andoroid {
  display: none;
}

p.text {
  display: flex;
  justify-content: center;
  margin: auto;
  text-align: left;
}

.sp {
  display: none;
}
@media (max-width:768px) {
  body {
    font-size: 10px;
  }

  .box {
    padding: 2em 1em;
  }

  .sp {
    display: block;
  }
  .pc {
    display: none;
  }
}