/* ============================================
   フォーム共通スタイル
   ============================================ */

.form-wrapper {
  max-width: 720px;
  margin: 0 auto;
}

.form-lead {
  background: var(--green-pale);
  border-radius: 8px;
  padding: 28px 32px;
  margin-bottom: 40px;
}

.form-lead h3 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: var(--green-dark);
  margin-bottom: 10px;
}

.form-lead p {
  font-size: 0.93rem;
  color: var(--text-mid);
  line-height: 1.9;
}

.form-group {
  margin-bottom: 28px;
}

.form-label {
  display: block;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 8px;
}

.form-required {
  color: #c0392b;
  margin-left: 4px;
  font-size: 0.85rem;
}

.form-optional {
  color: var(--text-light);
  margin-left: 4px;
  font-size: 0.8rem;
  font-weight: 400;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--border-light);
  border-radius: 6px;
  font-size: 0.95rem;
  font-family: var(--font-sans);
  color: var(--text-dark);
  background: var(--white);
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
  appearance: none;
  -webkit-appearance: none;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--green-primary);
  box-shadow: 0 0 0 3px rgba(58, 143, 92, 0.12);
}

.form-input.error,
.form-textarea.error,
.form-select.error {
  border-color: #c0392b;
}

.form-textarea {
  min-height: 140px;
  resize: vertical;
  line-height: 1.8;
}

.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%234a5e4b' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-light);
}

.field-error {
  color: #c0392b;
  font-size: 0.82rem;
  margin-top: 6px;
  min-height: 18px;
}

.form-note {
  font-size: 0.83rem;
  color: var(--text-light);
  margin-top: 6px;
  line-height: 1.6;
}

/* ラジオ・チェックボックス */
.form-radio-group,
.form-check-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 4px;
}

.form-radio-group.inline {
  flex-direction: row;
  flex-wrap: wrap;
  gap: 16px;
}

.form-radio-label,
.form-check-label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.92rem;
  color: var(--text-mid);
  cursor: pointer;
  line-height: 1.6;
}

.form-radio-label input,
.form-check-label input {
  margin-top: 3px;
  width: 16px;
  height: 16px;
  accent-color: var(--green-primary);
  flex-shrink: 0;
}

/* 同意チェック */
.form-agree {
  background: var(--green-pale);
  border-radius: 8px;
  padding: 20px 24px;
  margin-bottom: 32px;
}

.form-agree .form-check-label {
  font-size: 0.9rem;
}

.privacy-link {
  color: var(--green-primary);
  text-decoration: underline;
}

/* 送信ボタン */
.form-submit-area {
  text-align: center;
}

.form-submit-area .btn {
  min-width: 280px;
  padding: 16px 40px;
  font-size: 1rem;
}

.form-submit-area .btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.form-submit-note {
  font-size: 0.82rem;
  color: var(--text-light);
  margin-top: 12px;
}

/* セクション区切り */
.form-section-title {
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--green-dark);
  font-weight: 700;
  padding: 12px 0;
  border-bottom: 2px solid var(--green-pale);
  margin-bottom: 24px;
  margin-top: 16px;
}

@media (max-width: 768px) {
  .form-lead {
    padding: 20px;
  }
  .form-submit-area .btn {
    width: 100%;
    min-width: auto;
  }
}