body {
  font-family: "ヒラギノ角ゴ ProN W3", "Hiragino Kaku Gothic ProN", "メイリオ",
    "Meiryo", sans-serif;
  color: #343434;
  width: 100%;
  line-height: 1.7;
}

img {
  width: 100%;
  margin-bottom: 1.5rem;
}

p {
  margin-bottom: 1.5rem;
}
.bold {
  font-weight: bold;
}

.small {
  font-size: 0.7rem;
  font-weight: normal;
}
.note {
  margin-bottom: 1rem;
  font-size: 0.7rem;
}

.marker {
  background: linear-gradient(transparent 60%, #ffff00 60%);
  font-weight: bold;
}
h1 img {
  margin-bottom: 0;
}
form {
  padding: 2rem 4% 0.5rem;
  background: #ddeeff;
}
.question {
  background: #fff;
  border-radius: 1rem;
  box-shadow: 0.1rem 0.1rem #c4c2c2;
  padding: 1rem 4%;
  margin-bottom: 2rem;
}
.number {
  font-family: "Futura", sans-serif;
  color: #ef4d6b;
  font-size: 1.7rem;
  margin-bottom: 0.5rem;
  text-align: center;
}
h2 {
  font-size: 1.25rem;
  font-weight: bold;
  margin-bottom: 1rem;
  line-height: 1.6;
  text-align: center;
}
.answer li {
  position: relative;
  margin-bottom: 1rem;
  background: #eeeeec;
}

.answer li input {
  width: 2rem;
  position: absolute;
  top: 0.9rem;
  left: 0;
}

.answer li label {
  padding: 0.5rem 1rem 0.5rem 2rem;
  display: block;
}

.answer li input:checked + label {
  background: #ddeeff;
}

.point {
  padding: 1.5rem 4% 0;
  margin: 1.5rem auto;
  border: 4px solid #ddeeff;
  font-size: 0.9rem;
}

.offer {
  padding: 1.5rem 4%;
  font-size: 1.15rem;
}
.thanks {
  font-size: 1.5rem;
  text-align: center;
  font-weight: bold;
  line-height: 1.5;
  margin-bottom: 1rem;
}
footer {
  padding: 1rem;
  text-align: center;
  background: #01a2e5;
  color: #fff;
  font-size: 0.7rem;
}

@media screen and (min-width: 769px) {
  html {
    font-size: 20px;
  }

  body {
    width: 750px;
    margin: auto;
  }

  a:hover {
    opacity: 0.8;
  }
  .answer li input {
    top: 1rem;
  }
}