body {
  font-family: "游ゴシック", "Hiragino Kaku Gothic ProN", "メイリオ",
    "Meiryo", sans-serif;
  color: #343434;
  width: 100%;
  line-height: 1.7;
}

img {
  width: 100%;
  margin-bottom: 1rem;
}

video {
  width: 100%;
  margin-bottom: 1rem;
}

p {
  margin-bottom: 1.5rem;
}

.note {
  font-size: 0.7rem;
  margin-bottom: 1.5rem;
}
.small {
  font-size: 0.7rem;
  font-weight: normal;
}
.red {
  color: #c72733;
  font-weight: bold;
}
.bold {
  font-weight: bold;
}
.marker {
  background: linear-gradient(transparent 60%, #ffeb58 0%);
  font-weight: bold;
}
h1 img {
  margin-bottom: 0;
}
form {
  background: #ede4d3;
  padding: 0.5rem 4%;
}
.question {
  background: white;
  border-radius: 0.5rem;
  padding: 1.5rem 4% 2rem;
  margin: 1.5rem 0;
}
.question h2 {
  font-size: 1.15rem;
  font-weight: bold;
  margin-bottom: 1.5rem;
}
.answer.radio {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}
.answer.radio li {
  width: 48%;
}
.answer.checkbox li {
  position: relative;
  margin-bottom: 1rem;
}

.answer li label {
  display: block;
  background: #eeeeec;
  font-weight: bold;
}
.answer.radio li label {
  padding: 1rem;
  text-align: center;
}

.answer.checkbox li label {
  padding: 0.8rem 1rem 0.8rem 2rem;
}

.answer li input:checked + label {
  background: #755b37;
  color: #fff;
}

.answer.radio li input {
  display: none;
}
.answer.checkbox li input {
  width: 2rem;
  position: absolute;
  top: 1.2rem;
  left: 0;
}
.point {
  background: #fef7f0;
  border-radius: 1rem;
  position: relative;
  padding: 1.6rem 5% 0.1rem;
  margin: 2rem auto 0;
}
.arrow {
  width: 100%;
  border-left: 50vw solid transparent;
  border-right: 50vw solid transparent;
  border-top: 10vw solid #ede4d3;
  background: #fffffa;
}
.offer {
  padding: 1.5rem 4% 0;
  font-size: 1.15rem;
  background: #fffffa;
}
.offer .thanks {
  text-align: center;
  color: #755b37;
  font-size: 1.5rem;
  font-weight: bold;
  margin-bottom: 1.5rem;
}
button.on {
  filter: inherit;
}
.error {
  margin-bottom: 0.5rem;
}
.error p {
  text-align: center;
  font-weight: bold;
  color: red;
  font-size: 0.8rem;
  margin-bottom: 0;
}

footer {
  text-align: center;
  font-size: 0.7rem;
  padding: 1rem;
}

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

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

  a:hover {
    opacity: 0.8;
  }
  button:hover {
    opacity: 0.8;
  }
  .question img.number {
    width: 60%;
    display: block;
    margin: 0 auto 1rem;
  }
  .arrow {
    width: 100%;
    border-left: 375px solid transparent;
    border-right: 375px solid transparent;
    border-top: 100px solid #ede4d3;
  }
}
