/* ==========================================================================
   contact.css - お問い合わせページ（contact/index.html）固有のスタイル
   共通パーツ（変数・タイポグラフィ・ヘッダー・フッター・ボタン等）は
   common.css を参照。このファイルは contact/index.html のみで読み込む。
   ========================================================================== */

section {
  padding: 56px 0;
}

@media (min-width: 900px) {
  section {
    padding: 88px 0;
  }
}

/* ==========================================================================
   ページ導入
   ========================================================================== */

.contact-hero {
  background-color: var(--color-primary-light);
  text-align: center;
  padding: 32px 0 24px;
}

.contact-hero__title {
  margin-bottom: 12px;
}

.contact-hero__intro {
  margin: 0 auto 8px;
}

.contact-hero__intro:last-child {
  margin-bottom: 0;
}

/* ==========================================================================
   お問い合わせフォーム
   ========================================================================== */

.contact-form-section {
  background-color: var(--color-primary-pale);
}

.contact-form-section__inner {
  max-width: 700px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.contact-form__bot-field {
  display: none;
}

.contact-form__error {
  background-color: #fdecea;
  border: 1px solid #f3b4ae;
  border-radius: 6px;
  padding: 14px 16px;
  margin-bottom: 24px;
  font-size: 14px;
  font-weight: 700;
  color: #8a2a22;
}

.contact-form__error[hidden] {
  display: none;
}

.contact-form__field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.contact-form__label {
  font-weight: 700;
  font-size: 16px;
}

.contact-form__required {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  color: var(--color-white);
  background-color: var(--color-primary-dark);
  border-radius: 4px;
  padding: 2px 8px;
  margin-left: 4px;
  vertical-align: middle;
}

.contact-form__optional {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  color: var(--color-text-light);
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 2px 8px;
  margin-left: 4px;
  vertical-align: middle;
}

.contact-form__description {
  font-size: 14px;
  color: var(--color-text-light);
  white-space: pre-line;
}

.contact-form__input {
  width: 100%;
  min-height: 48px;
  padding: 12px 14px;
  font-size: 16px;
  font-family: inherit;
  color: var(--color-text);
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 6px;
}

.contact-form__input:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 1px;
}

.contact-form__textarea {
  min-height: 120px;
  resize: vertical;
  line-height: 1.7;
}

.contact-form__group {
  border: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.contact-form__legend {
  font-weight: 700;
  font-size: 16px;
  padding: 0;
  margin-bottom: 4px;
}

.contact-form__radio-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.contact-form__radio {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 48px;
  font-size: 16px;
}

.contact-form__radio input[type="radio"] {
  flex: none;
  width: 20px;
  height: 20px;
  accent-color: var(--color-primary);
}

.contact-form__field--checkbox {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 16px;
}

.contact-form__checkbox {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 15px;
  line-height: 1.7;
}

.contact-form__checkbox input[type="checkbox"] {
  flex: none;
  width: 20px;
  height: 20px;
  margin-top: 2px;
  accent-color: var(--color-primary);
}

.contact-form__checkbox a {
  color: var(--color-primary);
  text-decoration: underline;
}

.contact-form__checkbox a:hover {
  color: var(--color-primary-dark);
}

.contact-form__submit {
  width: 100%;
  margin-top: 8px;
}