/* ============================================================
   Next-Field — requestページ固有CSS
   役割: requestフォーム3画面（input/confirm/complete）で共通使用
   ロード条件: contact/request 各ページの $extra_css で指定
   参照元: _orig/04_request.html <style> ブロックより抽出
   ============================================================ */

/* ------------------------------------------------------------
       HERO & PAGE HEADER
       ------------------------------------------------------------ */
    .page-hero {
      background: linear-gradient(135deg, #FAF8F4 0%, #F3EFE7 100%);
      padding: 48px 0 56px 0;
      text-align: center;
      border-bottom: 1px solid var(--color-border);
    }
    .breadcrumbs {
      display: flex;
      justify-content: center;
      gap: 8px;
      font-size: 13px;
      color: var(--color-text-sub);
      margin-bottom: 16px;
    }
    .breadcrumbs a:hover {
      color: var(--color-main-dark);
    }
    .breadcrumbs span {
      user-select: none;
    }
    .page-hero__title {
      font-family: var(--font-serif);
      font-size: 34px;
      color: var(--color-heading);
      line-height: 1.35;
      font-weight: 700;
      margin-bottom: 12px;
    }
    @media (max-width: 768px) {
      .page-hero__title {
        font-size: 26px;
      }
    }

    /* ------------------------------------------------------------
       STEPPER (3段階進行状況表示)
       ------------------------------------------------------------ */
    .stepper {
      display: flex;
      justify-content: center;
      align-items: center;
      max-width: 600px;
      margin: 0 auto 48px auto;
      gap: 12px;
    }
    @media (max-width: 480px) {
      .stepper {
        gap: 6px;
        margin-bottom: 32px;
      }
    }
    .stepper__step {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 14px;
      color: var(--color-text-sub);
      font-weight: 500;
      background-color: var(--color-bg-soft);
      padding: 10px 24px;
      border-radius: 99px;
      transition: all 0.3s ease;
    }
    @media (max-width: 480px) {
      .stepper__step {
        font-size: 11px;
        padding: 8px 12px;
        gap: 4px;
      }
    }
    .stepper__step.is-active {
      background-color: var(--color-main-dark);
      color: #FFFFFF;
      font-weight: 700;
      box-shadow: 0 4px 12px rgba(95, 127, 107, 0.2);
    }
    .stepper__number {
      width: 20px;
      height: 20px;
      border-radius: 50%;
      background-color: rgba(0, 0, 0, 0.1);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 11px;
      font-weight: 700;
    }
    .stepper__step.is-active .stepper__number {
      background-color: rgba(255, 255, 255, 0.25);
    }
    .stepper__arrow {
      color: var(--color-border);
      font-weight: 700;
      font-size: 14px;
    }

    /* ------------------------------------------------------------
       FORM WRAPPER & GENERAL FIELDS
       ------------------------------------------------------------ */
    .form-container {
      max-width: 720px;
      margin: 0 auto;
    }
    .form-section {
      display: none; /* Controlled via JS */
    }
    .form-section.is-active {
      display: block;
    }
    
    /* Error Summary Box */
    .error-summary {
      display: none;
      background-color: #FFF2F1;
      border: 1px solid var(--color-error);
      border-radius: 12px;
      padding: 20px;
      margin-bottom: 32px;
      color: var(--color-error);
      font-size: 14.5px;
      font-weight: 700;
    }
    .error-summary__title {
      display: flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 4px;
    }
    .error-summary__title::before {
      content: "⚠️";
    }

    /* Form Fields */
    .form-group {
      margin-bottom: 32px;
      border-bottom: 1px dashed var(--color-border);
      padding-bottom: 32px;
    }
    .form-group:last-of-type {
      border-bottom: none;
      padding-bottom: 0;
    }
    .form-label-area {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
      margin-bottom: 12px;
    }
    .form-label {
      font-size: 16px;
      font-weight: 700;
      color: var(--color-heading);
    }
    .form-badge {
      font-size: 11px;
      font-weight: 700;
      padding: 2px 8px;
      border-radius: 4px;
      text-transform: uppercase;
    }
    .form-badge--required {
      background-color: var(--color-accent);
      color: #FFFFFF;
    }
    .form-badge--optional {
      background-color: var(--color-border);
      color: var(--color-text-sub);
    }
    .form-subtext {
      font-size: 13px;
      color: var(--color-text-sub);
      margin-top: -6px;
      margin-bottom: 12px;
      line-height: 1.6;
    }

    /* Input Controls */
    .input-text, .select-box, .text-area {
      width: 100%;
      background-color: #FFFFFF;
      border: 1px solid var(--color-border);
      border-radius: 8px;
      padding: 12px 16px;
      font-size: 16px;
      font-family: var(--font-sans);
      color: var(--color-text);
      transition: border-color 0.2s, box-shadow 0.2s;
      outline: none;
      min-height: 48px;
    }
    .input-text:focus, .select-box:focus, .text-area:focus {
      border-color: var(--color-main-dark);
      box-shadow: 0 0 0 3px rgba(143, 174, 155, 0.25);
    }
    .text-area {
      min-height: 160px;
      resize: vertical;
    }

    /* Error Messages per field */
    .field-error {
      display: none;
      color: var(--color-error);
      font-size: 13.5px;
      font-weight: 700;
      margin-top: 8px;
    }
    .field-error::before {
      content: "※ ";
    }
    .form-group.has-error .input-text,
    .form-group.has-error .select-box,
    .form-group.has-error .text-area {
      border-color: var(--color-error);
      background-color: #FFF9F9;
    }
    .form-group.has-error .field-error {
      display: block;
    }

    /* Radio & Checkbox Styling */
    .options-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 10px;
    }
    .options-grid--two-cols {
      grid-template-columns: repeat(2, 1fr);
    }
    @media (max-width: 576px) {
      .options-grid--two-cols {
        grid-template-columns: 1fr;
      }
    }
    .option-item {
      display: flex;
      align-items: start;
      gap: 10px;
      background-color: #FFFFFF;
      border: 1px solid var(--color-border);
      border-radius: 8px;
      padding: 12px 16px;
      cursor: pointer;
      user-select: none;
      transition: all 0.2s ease;
    }
    .option-item:hover {
      background-color: var(--color-bg-soft);
      border-color: var(--color-main);
    }
    .option-item input {
      margin-top: 4px;
      width: 18px;
      height: 18px;
      accent-color: var(--color-main-dark);
      cursor: pointer;
    }
    .option-item__label {
      font-size: 14.5px;
      color: var(--color-text);
      line-height: 1.4;
    }

    /* Privacy Consent Box */
    .privacy-box {
      background-color: #FFFFFF;
      border: 1px solid var(--color-border);
      border-radius: 12px;
      padding: 24px;
      margin-bottom: 32px;
      font-size: 14px;
      line-height: 1.7;
    }
    .privacy-box__text {
      color: var(--color-text-sub);
      margin-bottom: 16px;
    }
    .privacy-link {
      color: var(--color-main-dark);
      text-decoration: underline;
      font-weight: 700;
    }
    .privacy-link:hover {
      color: var(--color-heading);
    }

    /* Navigation Action Buttons */
    .form-actions {
      display: flex;
      justify-content: center;
      gap: 16px;
      margin-top: 40px;
    }
    @media (max-width: 576px) {
      .form-actions {
        flex-direction: column;
        gap: 12px;
      }
      .form-actions .btn {
        width: 100%;
        padding: 16px;
      }
    }

    /* ------------------------------------------------------------
       STEP 2: CONFIRMATION TABLE/LIST STYLE
       ------------------------------------------------------------ */
    .confirm-intro {
      font-size: 15px;
      color: var(--color-text);
      margin-bottom: 32px;
      text-align: center;
    }
    @media (max-width: 576px) {
      .confirm-intro {
        text-align: left;
      }
    }
    .confirm-card {
      background-color: #FFFFFF;
      border: 1px solid var(--color-border);
      border-radius: 16px;
      padding: 32px;
      margin-bottom: 40px;
      box-shadow: 0 10px 30px rgba(47, 74, 58, 0.02);
    }
    @media (max-width: 576px) {
      .confirm-card {
        padding: 20px;
      }
    }
    .confirm-row {
      display: flex;
      border-bottom: 1px solid var(--color-border);
      padding: 16px 0;
    }
    .confirm-row:last-child {
      border-bottom: none;
    }
    @media (max-width: 576px) {
      .confirm-row {
        flex-direction: column;
        gap: 6px;
        padding: 14px 0;
      }
    }
    .confirm-row__label {
      width: 240px;
      font-size: 15px;
      font-weight: 700;
      color: var(--color-heading);
      flex-shrink: 0;
    }
    @media (max-width: 576px) {
      .confirm-row__label {
        width: 100%;
      }
    }
    .confirm-row__value {
      font-size: 15px;
      color: var(--color-text);
      white-space: pre-wrap; /* Preserve text-area line breaks */
      word-break: break-all;
    }

    /* ------------------------------------------------------------
       STEP 3: COMPLETE VIEW STYLE
       ------------------------------------------------------------ */
    .complete-visual {
      text-align: center;
      margin-bottom: 32px;
    }
    .complete-icon {
      width: 64px;
      height: 64px;
      background-color: rgba(143, 174, 155, 0.15);
      color: var(--color-main-dark);
      border-radius: 50%;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 32px;
      font-weight: bold;
      margin-bottom: 24px;
    }
    .complete-title {
      font-family: var(--font-serif);
      font-size: 28px;
      color: var(--color-heading);
      margin-bottom: 16px;
    }
    .complete-text {
      font-size: 16px;
      color: var(--color-text);
      max-width: 640px;
      margin: 0 auto 32px auto;
      text-align: center;
      line-height: 1.8;
    }
    @media (max-width: 576px) {
      .complete-text {
        text-align: left;
      }
    }
    
    /* Workflow List after complete */
    .complete-flow {
      background-color: #FFFFFF;
      border: 1px solid var(--color-border);
      border-radius: 16px;
      padding: 32px;
      margin-bottom: 40px;
      max-width: 600px;
      margin-left: auto;
      margin-right: auto;
    }
    .complete-flow__title {
      font-family: var(--font-serif);
      font-size: 18px;
      color: var(--color-heading);
      margin-bottom: 24px;
      text-align: center;
      border-bottom: 2px solid var(--color-key);
      padding-bottom: 10px;
    }
    .complete-flow__list {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }
    .complete-flow__item {
      display: grid;
      grid-template-columns: 80px 1fr;
      gap: 16px;
      align-items: start;
    }
    .complete-flow__step {
      font-size: 12px;
      font-weight: 700;
      color: var(--color-accent);
      background-color: var(--color-bg);
      border: 1px solid var(--color-border);
      border-radius: 4px;
      padding: 2px 6px;
      text-align: center;
    }
    .complete-flow__detail h4 {
      font-size: 14.5px;
      font-weight: 700;
      color: var(--color-heading);
      margin-bottom: 2px;
    }
    .complete-flow__detail p {
      font-size: 13.5px;
      color: var(--color-text-sub);
      line-height: 1.6;
    }

    /* ------------------------------------------------------------