.mv {
  width: 100%;
  max-width: 700px;
  margin: 20px auto 20px;
  padding: 5% 0;
  border: #040000 solid 1px;
  box-sizing: border-box;
  text-align: center;
}
.mv img {
  width: 80%;
}

.contents {
  width: 100%;
  max-width: 700px;
  margin: 0 auto;
  padding: 15px;
  box-sizing: border-box;
  text-align: center;
}
.contents h1 {
  margin: 0 0 1em;
  font-size: 24px;
  font-weight: bold;
}
.contents .info {
  font-size: 16px;
}
.contents .note {
  font-size: 14px;
}

h2.form-start {
  display: none;
}

form h3.title {
  margin-top: 0;
}

@media screen and (max-width: 767px) {
  .mv {
    width: calc(100% - 30px);
  }
  .contents {
    text-align: left;
  }
  .contents h1 {
    font-size: 18px;
    text-align: center;
  }
  .contents .info {
    font-size: 15px;
  }
  .contents .note {
    font-size: 13px;
  }
  .contents .note br {
    display: none;
  }
}