.tribrid-hantei__lead {
  margin-bottom: 24px;
  line-height: 1.8;
}

.tribrid-hantei__form {
  max-width: 720px;
  margin: 0 auto;
  padding: 32px;
  background: #fff;
  border: 1px solid #d9d9d9;
}

.tribrid-hantei__fields {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 12px;
  margin-bottom: 8px;
}

.tribrid-hantei__field label {
  display: block;
  margin-bottom: 6px;
  font-size: 14px;
  font-weight: bold;
}

.tribrid-hantei__field select,
.tribrid-hantei__field input[type="text"] {
  width: 100%;
  min-height: 44px;
  padding: 8px 12px;
  border: 1px solid #bdbdbd;
  font-size: 16px;
}

.tribrid-hantei__field--prefix,
.tribrid-hantei__field--suffix {
  width: 120px;
}

.tribrid-hantei__field--digits {
  flex: 1;
  min-width: 180px;
}

.tribrid-hantei__separator {
  font-size: 24px;
  font-weight: bold;
  line-height: 1;
  align-self: flex-end;
  padding-bottom: 10px;
}

.tribrid-hantei__submit {
  text-align: center;
}

.tribrid-hantei__submit .c-button {
  min-width: 200px;
}

.tribrid-hantei__result {
  max-width: 720px;
  margin: 24px auto 0;
  padding: 20px 24px;
  border: 2px solid #003b7a;
  background: #f5f8fc;
  font-size: 18px;
  font-weight: bold;
  text-align: center;
  scroll-margin-top: 90px;
}

.tribrid-hantei__result.is-hit {
  border-color: #c62828;
  background: #fff5f5;
  color: #c62828;
}

.tribrid-hantei__result.is-miss {
  border-color: #2e7d32;
  background: #f4faf4;
  color: #2e7d32;
}

.tribrid-hantei__result.is-invalid {
  border-color: #f57c00;
  background: #fff8ef;
  color: #e65100;
}

.tribrid-hantei__hint {
  margin: 0 0 8px;
  font-size: 12px;
  color: #666;
  text-align: center;
}

.tribrid-hantei__example {
  margin: 0 0 24px;
  font-size: 14px;
  color: #666;
  text-align: center;
}

.tribrid-hantei__back {
  max-width: 720px;
  margin: 40px auto 0;
  text-align: center;
}

.tribrid-hantei__back .c-button {
  min-width: 200px;
}

@media screen and (max-width: 48em) {
  .tribrid-hantei__form {
    padding: 20px 16px;
  }

  .tribrid-hantei__fields {
    flex-direction: column;
    align-items: stretch;
    margin-bottom: 0;
  }

  .tribrid-hantei__field--prefix,
  .tribrid-hantei__field--suffix,
  .tribrid-hantei__field--digits {
    width: 100%;
  }

  .tribrid-hantei__separator {
    display: none;
  }

  .tribrid-hantei__hint,
  .tribrid-hantei__example {
    text-align: left;
  }
}