/* ======================================
   草木花の店 たんぽぽ
   お問い合わせフォーム スタイル
   ====================================== */

/* --- 既存CSSとの競合解消 --- */
/* フォームを含む .contact__inner の固定高さ・背景色を解除 */
.contact__inner:has(.contact__form) {
  height: auto !important;
  background: transparent !important;
  padding: 0 !important;
  flex-direction: column !important;
  display: block !important;
}

/* フォームコンテナの幅を最大化 */
.contact__form {
  width: 100%;
  max-width: 100%;
  background: #fff;
  padding: 0;
  box-sizing: border-box;
}

/* contactセクション自体の幅を広げる */
.contact:has(.contact-form) {
  max-width: 1200px;
}

/* --- フォーム全体 --- */
.contact-form {
  max-width: 820px;
  margin: 0 auto;
  padding: 40px 20px 60px;
}

@media screen and (min-width: 600px) {
  .contact-form {
    padding: 50px 30px 80px;
  }
}

@media screen and (min-width: 960px) {
  .contact-form {
    padding: 60px 40px 100px;
  }
}

/* --- セクションタイトル --- */
.form-section {
  margin-bottom: 40px;
  padding: 30px 20px;
  background: #faf9f7;
  border-radius: 16px;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.04);
  border: 1px solid rgba(144, 70, 105, 0.08);
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.form-section:hover {
  box-shadow: 0 6px 30px rgba(0, 0, 0, 0.08);
  transform: translateY(-2px);
}

@media screen and (min-width: 600px) {
  .form-section {
    padding: 40px 30px;
  }
}

@media screen and (min-width: 960px) {
  .form-section {
    padding: 45px 40px;
  }
}

.form-section__title {
  font-size: 16px;
  font-weight: 600;
  color: #904669;
  margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 2px solid #904669;
  display: flex;
  align-items: center;
  gap: 10px;
  letter-spacing: 0.05em;
}

@media screen and (min-width: 960px) {
  .form-section__title {
    font-size: 18px;
    margin-bottom: 30px;
  }
}

.form-section__title::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  background: #904669;
  border-radius: 50%;
  flex-shrink: 0;
}

/* --- 受け取り方法選択 --- */
.receive-type {
  margin-bottom: 40px;
}

.receive-type__title {
  font-size: 15px;
  font-weight: 600;
  color: #333;
  margin-bottom: 20px;
  text-align: center;
  letter-spacing: 0.08em;
}

@media screen and (min-width: 960px) {
  .receive-type__title {
    font-size: 17px;
  }
}

.receive-type__options {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 580px;
  margin: 0 auto;
}

@media screen and (min-width: 600px) {
  .receive-type__options {
    flex-direction: row;
    gap: 20px;
  }
}

.receive-type__label {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1;
  padding: 24px 20px;
  background: #fff;
  border: 2px solid #ddd;
  border-radius: 16px;
  cursor: pointer;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  text-align: center;
  min-height: 100px;
}

.receive-type__label:hover {
  border-color: #904669;
  box-shadow: 0 4px 20px rgba(144, 70, 105, 0.12);
  transform: translateY(-3px);
}

.receive-type__label input[type="radio"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.receive-type__label input[type="radio"]:checked + .receive-type__icon + .receive-type__text {
  color: #904669;
}

.receive-type__label:has(input[type="radio"]:checked) {
  border-color: #904669;
  background: linear-gradient(135deg, rgba(144, 70, 105, 0.06), rgba(144, 70, 105, 0.02));
  box-shadow: 0 4px 25px rgba(144, 70, 105, 0.18);
}

.receive-type__icon {
  font-size: 32px;
  margin-bottom: 10px;
  transition: transform 0.3s ease;
}

.receive-type__label:has(input[type="radio"]:checked) .receive-type__icon {
  transform: scale(1.15);
}

.receive-type__text {
  font-size: 14px;
  font-weight: 600;
  color: #555;
  transition: color 0.3s ease;
  letter-spacing: 0.08em;
}

@media screen and (min-width: 960px) {
  .receive-type__text {
    font-size: 15px;
  }
}

.receive-type__label:has(input[type="radio"]:checked) .receive-type__text {
  color: #904669;
}

.receive-type__desc {
  font-size: 11px;
  color: #999;
  margin-top: 6px;
  line-height: 1.5;
}

/* --- フォームグリッド --- */
.form-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

@media screen and (min-width: 600px) {
  .form-grid {
    grid-template-columns: 1fr 1fr;
    gap: 20px 24px;
  }
}

.form-grid .form-group--full {
  grid-column: 1 / -1;
}

/* --- フォームグループ --- */
.form-group {
  position: relative;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: #444;
  margin-bottom: 8px;
  letter-spacing: 0.04em;
}

@media screen and (min-width: 960px) {
  .form-group label {
    font-size: 14px;
  }
}

.form-group label .required {
  display: inline-block;
  font-size: 10px;
  color: #fff;
  background: #c44;
  padding: 2px 8px;
  border-radius: 4px;
  margin-left: 8px;
  font-weight: 500;
  letter-spacing: 0.05em;
  vertical-align: middle;
}

.form-group label .optional {
  display: inline-block;
  font-size: 10px;
  color: #888;
  background: #eee;
  padding: 2px 8px;
  border-radius: 4px;
  margin-left: 8px;
  font-weight: 500;
  letter-spacing: 0.05em;
  vertical-align: middle;
}

/* --- 入力フィールド共通 --- */
.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group input[type="number"],
.form-group input[type="date"],
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  font-size: 14px;
  font-family: 'Shippori Mincho', 'Noto Serif JP', serif;
  color: #333;
  background: #fff;
  border: 1.5px solid #ddd;
  border-radius: 10px;
  outline: none;
  transition: border-color 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
  box-sizing: border-box;
  -webkit-appearance: none;
  appearance: none;
}

@media screen and (min-width: 960px) {
  .form-group input[type="text"],
  .form-group input[type="email"],
  .form-group input[type="tel"],
  .form-group input[type="number"],
  .form-group input[type="date"],
  .form-group select,
  .form-group textarea {
    font-size: 15px;
    padding: 15px 18px;
  }
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: #904669;
  box-shadow: 0 0 0 3px rgba(144, 70, 105, 0.1);
  background: #fdfcfb;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: #bbb;
  font-size: 13px;
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
  line-height: 1.8;
}

/* --- セレクトボックス --- */
.form-group select {
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23904669' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 14px center;
  background-size: 18px;
  padding-right: 44px;
  cursor: pointer;
}

/* --- 条件付き表示セクション --- */
.conditional-section {
  display: none;
  animation: fadeSlideIn 0.45s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.conditional-section.active {
  display: block;
}

@keyframes fadeSlideIn {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* --- 送信ボタン --- */
.form-submit {
  text-align: center;
  margin-top: 50px;
}

.form-submit__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-width: 280px;
  padding: 18px 50px;
  font-size: 15px;
  font-weight: 600;
  font-family: 'Shippori Mincho', 'Noto Serif JP', serif;
  color: #fff;
  background: linear-gradient(135deg, #904669, #773958);
  border: none;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 20px rgba(144, 70, 105, 0.25);
  letter-spacing: 0.12em;
  position: relative;
  overflow: hidden;
}

@media screen and (min-width: 960px) {
  .form-submit__btn {
    font-size: 16px;
    min-width: 320px;
    padding: 20px 60px;
  }
}

.form-submit__btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
  transition: left 0.5s ease;
}

.form-submit__btn:hover {
  background: linear-gradient(135deg, #773958, #5e2d46);
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(144, 70, 105, 0.35);
}

.form-submit__btn:hover::before {
  left: 100%;
}

.form-submit__btn:active {
  transform: translateY(-1px);
  box-shadow: 0 4px 15px rgba(144, 70, 105, 0.25);
}

.form-submit__btn svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

/* --- 注意事項 --- */
.form-notice {
  max-width: 580px;
  margin: 24px auto 0;
  text-align: center;
  font-size: 12px;
  color: #999;
  line-height: 1.8;
  letter-spacing: 0.03em;
}

/* --- フォームタイトル装飾 --- */
.contact-form__header {
  text-align: center;
  margin-bottom: 40px;
}

.contact-form__header .form-badge {
  display: inline-block;
  font-size: 11px;
  color: #904669;
  background: rgba(144, 70, 105, 0.08);
  padding: 6px 18px;
  border-radius: 30px;
  margin-bottom: 16px;
  letter-spacing: 0.1em;
  font-weight: 600;
}

.contact-form__header .form-heading {
  font-size: 20px;
  font-weight: 600;
  color: #333;
  margin-bottom: 8px;
}

@media screen and (min-width: 960px) {
  .contact-form__header .form-heading {
    font-size: 24px;
  }
}

.contact-form__header .form-subheading {
  font-size: 13px;
  color: #999;
  letter-spacing: 0.05em;
}

/* --- プログレスインジケーター --- */
.form-progress {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 40px;
}

.form-progress__step {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: #bbb;
  font-weight: 500;
}

.form-progress__step.active {
  color: #904669;
}

.form-progress__step .step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: #eee;
  font-weight: 700;
  font-size: 12px;
  transition: all 0.3s ease;
}

.form-progress__step.active .step-num {
  background: #904669;
  color: #fff;
}

.form-progress__step.completed .step-num {
  background: #904669;
  color: #fff;
}

.form-progress__divider {
  width: 30px;
  height: 2px;
  background: #eee;
  align-self: center;
  border-radius: 1px;
}

@media screen and (min-width: 600px) {
  .form-progress__divider {
    width: 50px;
  }
}

/* --- ヘルプテキスト --- */
.form-group .help-text {
  display: block;
  font-size: 11px;
  color: #aaa;
  margin-top: 6px;
  line-height: 1.5;
}

/* --- 価格入力ラッパー --- */
.price-input-wrap {
  position: relative;
}

.price-input-wrap input {
  padding-right: 40px !important;
}

.price-input-wrap .price-unit {
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 14px;
  color: #999;
  font-weight: 500;
  pointer-events: none;
}

/* --- 数量入力 --- */
.quantity-input-wrap {
  position: relative;
  max-width: 160px;
}

.quantity-input-wrap input {
  text-align: center;
  padding-right: 40px !important;
}

.quantity-input-wrap .quantity-unit {
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 14px;
  color: #999;
  font-weight: 500;
  pointer-events: none;
}

/* --- 個人情報ポリシー --- */
.privacy-notice {
  text-align: center;
  margin-top: 20px;
  font-size: 12px;
  color: #aaa;
  line-height: 1.6;
}

.privacy-notice a {
  color: #904669;
  text-decoration: underline;
}

/* --- フォームの背景 --- */
.contact__form {
  background: #fff;
  padding: 0;
}

/* --- アニメーション用 --- */
.form-section {
  opacity: 0;
  transform: translateY(20px);
  animation: formSectionAppear 0.6s ease forwards;
}

.form-section:nth-child(1) { animation-delay: 0.1s; }
.form-section:nth-child(2) { animation-delay: 0.2s; }
.form-section:nth-child(3) { animation-delay: 0.3s; }
.form-section:nth-child(4) { animation-delay: 0.4s; }
.form-section:nth-child(5) { animation-delay: 0.5s; }
.form-section:nth-child(6) { animation-delay: 0.6s; }

@keyframes formSectionAppear {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* --- バリデーションスタイル --- */
.form-group input:invalid:not(:placeholder-shown) {
  border-color: #e57373;
}

.form-group input:valid:not(:placeholder-shown) {
  border-color: #81c784;
}

/* --- フォーカスリング (アクセシビリティ) --- */
.form-group input:focus-visible,
.form-group select:focus-visible,
.form-group textarea:focus-visible {
  outline: 2px solid #904669;
  outline-offset: 2px;
}

/* --- ローディングスピナー --- */
.form-submit__btn.loading {
  pointer-events: none;
  opacity: 0.7;
}

.form-submit__btn.loading::after {
  content: '';
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  margin-left: 10px;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* --- 商品選択セクション --- */
.product-section .form-grid {
  gap: 16px;
}

@media screen and (min-width: 600px) {
  .product-section .form-grid {
    grid-template-columns: 2fr 1fr 1fr;
    gap: 16px 24px;
  }
}