.form-group {
  flex-direction: column;
  align-items: flex-start;
}
input[name="email"],
textarea[name="message"],
input[name="company"],
input[name="pref"],
input[name="sei"],
input[name="mei"],
input[name="kana_sei"],
input[name="kana_mei"] {
  width: 100%;
}
input[name="sei"],
input[name="kana_sei"] {
  margin-right: 0;
  margin-bottom: 1rem;
}
label {
  min-width: unset;
  margin-bottom: 0.5rem;
}
.required {
  margin-left: 0.5rem;
}
input[name="tel1"],
input[name="tel2"],
input[name="tel3"] {
  width: 60px;
  text-align: center;
}