#manual-top {
  margin-bottom: 100px;
}

.manual-top-title {
  margin: 100px auto 70px;
  width: 90%;
  max-width: 1000px;
}

.manual-title {
  margin-bottom: 0.2em;
  font-family: 'Century Gothic', 'Metropolis', sans-serif;
  font-size: 32px;
  font-weight: 500;
  text-align: center;
  letter-spacing: 0.2em;
}

.manual-h2-list {
  margin-bottom: 50px;
  font-size: 14px;
  color: #888;
  text-align: center;
}

.manual-top-menu {
  max-width: 1000px;
  margin: 0 auto 70px;
  width: 90%;
}

.manual-top-menu h3 {
  margin: 0 auto 30px;
  padding-bottom: 10px;
  font-size: 150%;
  text-align: center;
  letter-spacing: 0.1em;
  border-bottom: solid 3px #ffa3b3;
}

.manual-top-menu h4 {
  margin-bottom: 2em;
  font-size: 150%;
  text-align: center;
  letter-spacing: 0.1em;
}

.manual-element {
  margin-bottom: 3%;
  width: 32.9%;
  padding: 0 1%;
  display: inline-block;
  box-sizing: border-box;
}

.manual-element img {
  width: 100%;
}

li.manual-menu {
  display: flex;
  margin: 5px 30px 5px 0;
}

li.manual-menu:before {
  content: '';
  margin-right: 5px;
  width: 22px;
  min-width: 22px;
  height: 22px;
  background: url(../qanda/img/question.png) no-repeat;
  background-size: 100%;
}

li.manual-menu p {
  line-height: 1.6;
}

#manual-area {
  max-width: 1000px;
  margin: 0 auto;
  width: 90%;
}

#manual-area p {
  text-align: center;
}

#manual-area #manual-box {
  height: 350px;
  overflow-y: scroll;
  margin: 3% auto 5%;
  border: 1px solid #c7c7c7;
  padding: 3%;
}

#manual-area b {
  font-weight: bold;
}

.agree_area {
  display: -ms-flexbox;
  display: flex;
  -ms-flex-pack: center;
  justify-content: center;
  margin: 0 auto 10%;
  width: 100%;
  max-width: 540px;
}

@media only screen and (max-width: 640px) {
  #manual-top {
    margin-bottom: 50px;
  }
  .manual-top-title {
    margin: 50px auto 50px;
  }
  .manual-element {
    width: 49%;
    display: inline-block;
    padding: 0 2%;
  }
  .manual-h2-list {
    font-size: 1.2em;
  }
  .agree_area .btn,
  .agree_area .btn a {
    font-size: 12px;
  }
  .agree_area .agree_true {
    width: 60%;
  }
}