.l-support-form {
  display: flex;
  align-items: center;
  justify-content: center;
}
.mail-form {
  max-width: 620px;
  background-color: #f2f1f0;
  padding: 10px;
}
.mail-form h2 {
  text-align: center;
  margin-bottom: 20px;
  font-size: 20px;
}
.mail-form label {
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  margin-bottom: 10px;
  white-space: nowrap;
}
.mail-form label .form-label {
  width: 300px;
}
.mail-form label .form-label .ex {
  font-size: smaller;
  color: #888;
  font-weight: normal;
}
.mail-form label input[type="text"],
.mail-form label select,
.mail-form label textarea {
  width: 240px;
  resize: none;
}
.mail-form label input[type="text"],
.mail-form label select {
    height: 40px;
}
.mail-form label textarea {
    height: 80px;
}
.mail-form .form-footer {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
}
.mail-form .form-footer .form-text {
  width: 570px;
  margin-bottom: 10px;
}
.mail-form .mail-button-panel {
  text-align: center;
  padding: 10px 0;
}
.mail-form .mail-button {
  background-color: #fff;
  border-radius: 3px;
  border: solid #333 1px;
  font-weight: bold;
}
@media (max-width: 768px) {
  .mail-form .form-footer {
    display: block;
  }
  .mail-form .form-footer .form-text {
    margin-right: 20px;
    margin-left: 20px;
    width: auto;
  }
  .mail-form label .form-label,
  .mail-form label input[type="text"],
  .mail-form label select,
  .mail-form label textarea {
    width: 200px;
  }
}
@media (max-width: 480px) {
  .mail-form .form-footer .form-text {
    margin-right: 2px;
    margin-left: 2px;
    font-size: smaller;
  }
  .mail-form label .form-label,
  .mail-form label input[type="text"],
  .mail-form label select,
  .mail-form label textarea {
    width: 100%;
  }
}