/**
 * ゼッケン一番 レスポンシブデザイン
 * メディアクエリで3段階: モバイル / ミドルサイズ / PC
 *
 * ブレークポイント:
 * - モバイル: max-width: 767px
 * - ミドル:   768px ～ 1023px
 * - PC:       min-width: 1024px
 */

/* ============================================
   モバイル（〜767px）
   ============================================ */
@media (max-width: 767px) {
  /* --- LP (index) --- */
  header {
    overflow-x: hidden;
  }

  header h1 {
    padding: 12px;
    font-size: 1.25rem;
  }

  header nav.main-nav {
    padding: 10px 12px;
    gap: 6px;
    flex-wrap: wrap;
    justify-content: center;
  }

  header nav.main-nav .nav-item {
    padding: 6px 10px;
    font-size: 12px;
  }

  .main-container {
    padding: 10px 12px 12px 12px;
    gap: 12px;
  }

  .main-content {
    padding: 0;
  }

  #hero {
    margin-bottom: 8px;
    padding: 8px 0;
  }

  .hero-title {
    font-size: 1.2rem;
    margin-bottom: 8px;
  }

  #hero h2 {
    font-size: 1.35rem;
    margin-bottom: 12px;
  }

  section {
    margin-bottom: 20px;
    padding: 20px 0;
  }

  section h2 {
    font-size: 1.1rem;
    margin-bottom: 20px;
    padding-bottom: 12px;
  }

  #process,
  #features,
  #inquiry,
  #information,
  #fullorder {
    padding: 24px 12px;
  }

  .process-content,
  .inquiry-content {
    padding: 20px 16px;
  }

  /* 制作工程：モバイルは縦1列 */
  .process-steps {
    grid-template-columns: 1fr;
    grid-template-rows: none;
    gap: 0;
  }

  .process-step-card,
  .process-steps .process-step-arrow,
  .process-step-divider {
    grid-column: 1;
    grid-row: auto;
  }

  .process-step-card {
    min-height: 120px;
    padding: 16px 12px;
  }

  .process-step-arrow {
    padding: 4px 0;
  }

  .process-step-arrow::after {
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-top: 10px solid #ccc;
    border-bottom: none;
  }

  .process-step-divider {
    margin: 12px 0;
  }

  .inquiry-form-container {
    padding: 0;
  }

  .inquiry-form-group input,
  .inquiry-form-group textarea {
    padding: 10px;
    font-size: 16px; /* iOS ズーム防止 */
  }

  .inquiry-btn {
    padding: 12px 32px;
    font-size: 15px;
    width: 100%;
  }

  .feature-block {
    padding: 20px 16px;
    margin-bottom: 24px;
  }

  .feature-block h3 {
    font-size: 0.95rem;
  }

  .feature-block p {
    font-size: 12px;
  }

  #products-container {
    gap: 20px;
  }

  .category-group-title {
    font-size: 1.1rem;
    margin-bottom: 10px;
    padding-bottom: 6px;
  }

  .category-group-header .category-group-title {
    font-size: 1.1rem;
  }

  .category-group-header {
    gap: 10px;
  }

  .category-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .product-card {
    padding: 14px;
  }

  .btn-primary {
    padding: 12px 16px;
    font-size: 14px;
  }

  .zekken-section-icon {
    font-size: 20px !important;
    width: 20px;
    height: 20px;
    margin-right: 6px;
  }

  .mobile-menu-panel {
    width: 100%;
    max-width: 100%;
    padding: 16px;
  }

  /* --- 購入フロー (purchase) --- */
  .purchase-container {
    flex-direction: column;
    padding: 12px;
    gap: 16px;
    min-height: auto;
    box-sizing: border-box;
    width: 100%;
    max-width: 100%;
  }

  .purchase-main {
    min-width: 0;
    max-width: 100%;
    box-sizing: border-box;
    width: 100%;
  }

  .purchase-sidebar {
    flex: none;
    width: 100%;
    position: static;
    max-height: none;
    padding: 16px;
  }

  .purchase-sidebar-minimal {
    flex: none;
    width: 100%;
    padding: 12px 16px;
  }

  .purchase-sidebar-minimal .purchase-steps {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
  }

  .purchase-sidebar-minimal .purchase-step-label {
    display: block;
    font-size: 11px;
  }

  .purchase-step {
    padding: 8px;
  }

  .purchase-step-number {
    width: 24px;
    height: 24px;
    font-size: 12px;
  }

  .purchase-card {
    padding: 20px 16px;
    margin-bottom: 16px;
    box-sizing: border-box;
    width: 100%;
    max-width: 100%;
    overflow: visible;
  }

  .purchase-card-title {
    font-size: 1.15rem;
    margin-bottom: 16px;
    padding-bottom: 12px;
  }

  .purchase-card-subtitle {
    font-size: 1rem;
    margin: 16px 0 12px 0;
  }

  .purchase-two-column {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .purchase-preview-sticky {
    position: static;
  }

  .purchase-preview-section {
    min-width: 0;
    max-width: 100%;
    width: 100%;
  }

  .purchase-form-scroll {
    max-height: none;
  }

  .purchase-preview {
    padding: 20px 16px;
    min-height: 160px;
    min-width: 0;
    max-width: 100%;
  }

  .purchase-preview-zekken {
    max-width: 100%;
    min-width: 0;
  }

  .purchase-form-group {
    margin-bottom: 16px;
  }

  .purchase-form-group input,
  .purchase-form-group select,
  .purchase-form-group textarea {
    padding: 10px;
    font-size: 16px; /* iOS フォーカス時ズーム防止 */
  }

  .text-multicol-column {
    min-width: 100%;
  }

  .purchase-card-steps {
    flex-wrap: wrap;
    gap: 12px;
    padding: 16px 0;
    margin-bottom: 24px;
  }

  .purchase-card-step {
    max-width: none;
  }

  .purchase-card-step:not(:last-child)::after {
    display: none;
  }

  .purchase-breadcrumb {
    flex-wrap: wrap;
    gap: 4px;
    font-size: 12px;
  }

  .purchase-header-content {
    padding: 0 12px;
    gap: 8px;
  }

  .purchase-nav-item {
    padding: 6px 10px;
    font-size: 11px;
  }

  /* モバイル: ヘッダーナビはアイコンのみ表示 */
  .purchase-header-nav .purchase-nav-item {
    font-size: 0;
    padding: 8px 10px;
    min-width: 44px;
    min-height: 44px;
    box-sizing: border-box;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
  .purchase-header-nav .purchase-nav-item .material-icons,
  .purchase-header-nav .purchase-nav-item .zekken-purchase-nav-icon {
    font-size: 22px !important;
    width: 22px;
    height: 22px;
    margin-right: 0;
  }

  .purchase-actions {
    flex-direction: column;
    gap: 12px;
  }

  .purchase-actions .purchase-btn {
    width: 100%;
    justify-content: center;
  }

  /* --- customer.ejs 専用: 配送日テーブル・サマリー・2カラム --- */
  .purchase-two-column {
    display: flex;
    flex-direction: column;
    min-width: 0;
    width: 100%;
  }

  .purchase-form-section,
  .purchase-summary {
    min-width: 0;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
  }

  .purchase-form-section form,
  .purchase-card .purchase-form-group {
    min-width: 0;
    max-width: 100%;
  }

  .purchase-summary {
    margin-top: 8px;
    padding: 20px 16px;
    order: 1;
  }

  .purchase-form-section {
    order: 0;
  }

  /* 配送日グリッド: モバイルは4列・全行表示（はみ出しは縦スクロールで確認可能に） */
  #delivery-date-table-wrapper {
    overflow-x: auto;
    overflow-y: visible;
    -webkit-overflow-scrolling: touch;
    margin-left: -4px;
    margin-right: -4px;
    padding: 0 4px;
    min-height: 0;
  }

  .delivery-date-grid {
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: auto;
    overflow: visible;
    width: fit-content;
  }

  .delivery-date-grid .delivery-date-td {
    padding: 8px 6px;
    font-size: 12px;
  }

  #delivery-date-product-summary {
    padding: 10px;
    font-size: 13px;
    overflow-wrap: break-word;
    word-wrap: break-word;
    max-width: 100%;
  }

  #delivery-date-selected {
    padding: 10px;
    font-size: 13px;
    overflow-wrap: break-word;
    word-wrap: break-word;
    max-width: 100%;
  }

  /* カード内ステップ（注文者情報の1〜4）をモバイルでコンパクトに */
  .purchase-card .purchase-card-steps {
    justify-content: space-between;
    gap: 8px;
  }

  .purchase-card .purchase-card-step {
    flex: 1 1 0;
    min-width: 0;
    max-width: 72px;
  }

  .purchase-card .purchase-card-step-number {
    width: 28px;
    height: 28px;
    font-size: 12px;
  }

  .purchase-card .purchase-card-step-label {
    font-size: 10px;
    line-height: 1.2;
    text-align: center;
    word-break: keep-all;
  }

  /* --- カードラッパー (card) --- */
  .page-card {
    padding: 20px 16px;
    border-radius: 10px;
  }

  .page-card-title {
    font-size: 17px;
    margin-bottom: 16px;
    padding-bottom: 12px;
  }

  .page-card-title .material-icons {
    font-size: 22px;
  }

  /* 会員マイページ nav（member-menu）モバイル */
  .member-menu {
    width: 100%;
    gap: 12px;
  }

  .member-menu-item {
    display: flex;
    align-items: center;
    width: 100%;
    padding: 14px 16px;
    font-size: 14px;
    min-height: 48px;
    box-sizing: border-box;
    gap: 12px;
  }

  .member-menu-item .material-icons {
    flex-shrink: 0;
    font-size: 22px;
    width: 22px;
    height: 22px;
  }

  .member-menu-item span {
    flex: 1;
    min-width: 0;
    word-wrap: break-word;
    overflow-wrap: break-word;
  }

  .member-order-item {
    padding: 14px 16px;
  }

  /* 会員プロフィール（登録情報）モバイル */
  .member-profile-dl {
    grid-template-columns: 1fr;
    gap: 12px 0;
  }

  .member-profile-dl dt {
    font-size: 12px;
    padding-bottom: 2px;
  }

  .member-profile-dl dd {
    font-size: 14px;
    padding-bottom: 12px;
    border-bottom: 1px solid #eee;
    word-wrap: break-word;
    overflow-wrap: break-word;
  }

  .member-profile-dl dd:last-of-type {
    border-bottom: none;
    padding-bottom: 0;
  }

  .member-back a {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    padding: 8px 0;
  }

  .profile-actions {
    flex-direction: column;
    margin-top: 20px;
    gap: 12px;
  }

  .profile-actions .btn-primary,
  .profile-actions .btn-secondary,
  .profile-edit-btn,
  .profile-pw-btn {
    width: 100%;
    justify-content: center;
    min-height: 44px;
    box-sizing: border-box;
  }

  .profile-form-group input {
    max-width: none;
    width: 100%;
    box-sizing: border-box;
  }

  /* --- カート (cart) --- */
  .cart-header {
    flex-direction: column;
    align-items: stretch;
    padding: 12px 16px;
    gap: 12px;
  }

  .cart-header h1 {
    font-size: 1.1rem;
    text-align: center;
  }

  .cart-nav {
    justify-content: center;
    gap: 6px;
  }

  .cart-nav-link {
    padding: 5px 10px;
    font-size: 12px;
  }

  .cart-nav-link .material-icons,
  .cart-nav-link .zekken-cart-icon {
    font-size: 14px !important;
    width: 14px;
    height: 14px;
    margin-right: 3px;
  }

  main {
    padding: 16px;
  }

  .cart-page-title {
    font-size: 1.25rem;
    margin-bottom: 16px;
  }

  .cart-table th,
  .cart-table td {
    padding: 8px 6px;
    font-size: 13px;
  }

  .cart-table .cart-cell-product {
    min-width: 0;
  }

  /* 保存中の注文: モバイルでカード表示 */
  .cart-table-drafts thead {
    display: none;
  }

  .cart-table-drafts tbody tr.cart-row-draft {
    display: block;
    padding: 16px;
    margin-bottom: 14px;
    background: #fff;
    border: 1px solid #b3d4fc;
    border-radius: 10px;
    box-shadow: 0 2px 6px rgba(0, 102, 204, 0.08);
  }

  .cart-table-drafts tbody tr.cart-row-draft:last-child {
    margin-bottom: 0;
  }

  .cart-table-drafts .cart-td-checkbox,
  .cart-table-drafts .cart-td-status,
  .cart-table-drafts .cart-td-summary,
  .cart-table-drafts .cart-td-actions {
    display: block;
    padding: 0;
    border: none;
    text-align: left;
  }

  .cart-table-drafts .cart-td-checkbox {
    padding-bottom: 12px;
    margin-bottom: 10px;
    border-bottom: 1px solid #e8f0fe;
  }

  .cart-table-drafts .cart-td-checkbox::before {
    content: attr(data-label);
    display: block;
    font-size: 11px;
    font-weight: 600;
    color: #0066cc;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
  }

  .cart-table-drafts .cart-checkbox-label {
    display: flex;
    align-items: center;
    gap: 10px;
    min-height: 44px;
    padding: 8px 0;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
  }

  .cart-table-drafts .cart-checkout-checkbox {
    width: 22px;
    height: 22px;
    flex-shrink: 0;
    margin: 0;
    cursor: pointer;
  }

  .cart-table-drafts .cart-checkbox-text {
    font-size: 15px;
    font-weight: 500;
    color: #333;
  }

  .cart-table-drafts .cart-td-status {
    margin-bottom: 8px;
  }

  .cart-table-drafts .cart-td-status::before {
    content: attr(data-label);
    display: block;
    font-size: 11px;
    font-weight: 600;
    color: #666;
    margin-bottom: 4px;
  }

  .cart-table-drafts .cart-td-summary {
    margin-bottom: 12px;
  }

  .cart-table-drafts .cart-td-summary::before {
    content: attr(data-label);
    display: block;
    font-size: 11px;
    font-weight: 600;
    color: #666;
    margin-bottom: 4px;
  }

  .cart-table-drafts .cart-spec-summary {
    font-size: 14px;
    line-height: 1.4;
  }

  .cart-table-drafts .cart-draft-note {
    display: block;
    margin-top: 4px;
  }

  .cart-table-drafts .cart-td-actions::before {
    content: attr(data-label);
    display: block;
    font-size: 11px;
    font-weight: 600;
    color: #666;
    margin-bottom: 8px;
  }

  .cart-table-drafts .cart-draft-actions-wrap {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
  }

  .cart-table-drafts .cart-resume-btn,
  .cart-table-drafts .cart-remove-btn {
    min-height: 44px;
    padding: 10px 16px;
    font-size: 15px;
    border-radius: 8px;
    -webkit-tap-highlight-color: transparent;
  }

  .cart-table-drafts .cart-resume-btn {
    flex: 1;
    min-width: 120px;
  }

  .cart-table-drafts .cart-draft-badge {
    padding: 6px 12px;
    font-size: 13px;
  }

  .cart-drafts-description {
    font-size: 13px;
    margin-bottom: 14px;
  }

  /* 折り畳みリスト（モバイル＝PC以下）: 2行レイアウト、「決済に含める」文字は非表示 */
  .cart-draft-header {
    padding: 12px 14px;
    gap: 0;
    flex-direction: column;
    align-items: stretch;
  }

  .cart-draft-header-line1 {
    width: 100%;
    order: 0;
  }

  .cart-draft-header-line2 {
    width: 100%;
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px solid #e8f0fa;
    justify-content: flex-end;
    order: 1;
  }

  .cart-draft-header .cart-checkbox-text {
    display: none;
  }

  .cart-draft-header-label {
    font-size: 14px;
  }

  .cart-draft-header-amount {
    font-size: 14px;
  }

  .cart-draft-detail-inner {
    padding: 14px 14px 14px 14px;
  }

  .cart-draft-detail-inner .cart-resume-btn,
  .cart-draft-detail-inner .cart-remove-btn {
    min-height: 44px;
    padding: 10px 16px;
  }

  .cart-total-breakdown {
    padding: 14px 16px;
  }

  .cart-total-breakdown-total {
    font-size: 15px;
  }

  .cart-selected-total {
    font-size: 15px;
    padding: 12px 0 0;
    margin-top: 12px;
  }

  /* 料金表モーダル: スマホでは縦＝枚数・横＝生地 */
  .base-price-table-pc-wrap {
    display: none;
  }

  .base-price-table-mobile-wrap {
    display: block;
  }

  .base-price-table-mobile-wrap .base-price-table th,
  .base-price-table-mobile-wrap .base-price-table td {
    padding: 12px 10px;
    font-size: 15px;
  }

  /* カート内商品テーブル: モバイルでカード表示 */
  .cart-items-section .cart-table thead {
    display: none;
  }

  .cart-items-section .cart-table tbody tr.cart-row-item {
    display: block;
    padding: 16px;
    margin-bottom: 14px;
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04);
  }

  .cart-items-section .cart-table tbody tr.cart-row-item:last-of-type {
    margin-bottom: 0;
  }

  .cart-items-section .cart-table .cart-td-product,
  .cart-items-section .cart-table .cart-td-spec,
  .cart-items-section .cart-table .cart-td-qty,
  .cart-items-section .cart-table .cart-td-unit,
  .cart-items-section .cart-table .cart-td-subtotal,
  .cart-items-section .cart-table .cart-td-item-actions {
    display: block;
    padding: 0;
    border: none;
    text-align: left;
  }

  .cart-items-section .cart-table .cart-td-product::before,
  .cart-items-section .cart-table .cart-td-spec::before,
  .cart-items-section .cart-table .cart-td-qty::before,
  .cart-items-section .cart-table .cart-td-unit::before,
  .cart-items-section .cart-table .cart-td-subtotal::before,
  .cart-items-section .cart-table .cart-td-item-actions::before {
    content: attr(data-label);
    display: block;
    font-size: 11px;
    font-weight: 600;
    color: #64748b;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    margin-bottom: 4px;
  }

  .cart-items-section .cart-table .cart-td-product {
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 6px;
  }

  .cart-items-section .cart-table .cart-td-spec {
    margin-bottom: 10px;
  }

  .cart-items-section .cart-table .cart-td-spec .cart-spec-summary {
    font-size: 14px;
    line-height: 1.4;
  }

  .cart-items-section .cart-table .cart-td-qty {
    margin-bottom: 10px;
  }

  .cart-items-section .cart-table .cart-td-qty input {
    min-width: 72px;
    min-height: 44px;
    font-size: 16px;
  }

  .cart-items-section .cart-table .cart-td-unit,
  .cart-items-section .cart-table .cart-td-subtotal {
    font-size: 15px;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 8px;
  }

  .cart-items-section .cart-table .cart-td-item-actions {
    padding-top: 12px;
    margin-top: 10px;
    border-top: 1px solid #f1f5f9;
  }

  .cart-items-section .cart-table .cart-remove-btn {
    min-height: 44px;
    padding: 10px 16px;
    font-size: 15px;
    -webkit-tap-highlight-color: transparent;
  }

  /* 合計行: モバイルで見やすく */
  .cart-items-section .cart-table tfoot tr {
    display: block;
    padding: 14px 16px;
    margin-top: 12px;
    border-radius: 8px;
    background: #f1f5f9;
    border: 1px solid #e2e8f0;
  }

  .cart-items-section .cart-table tfoot td {
    display: block;
    padding: 0;
    border: none;
  }

  .cart-items-section .cart-table tfoot td:first-child {
    font-size: 14px;
    color: #64748b;
    margin-bottom: 4px;
  }

  .cart-items-section .cart-table tfoot td:nth-child(2) {
    font-size: 18px;
    font-weight: 700;
    color: #1e293b;
  }

  .cart-items-section .cart-table tfoot td:nth-child(3) {
    display: none;
  }

  #cart-actions {
    flex-direction: column;
    gap: 12px;
  }

  #cart-actions .btn-primary,
  #cart-actions .btn-secondary {
    width: 100%;
  }

  /* --- フッター --- */
  .zekken-footer {
    margin-top: 32px;
    padding: 28px 16px 20px;
  }

  .zekken-footer-inner {
    grid-template-columns: 1fr;
    gap: 20px;
    margin-bottom: 20px;
  }

  .zekken-footer-title {
    font-size: 16px;
  }

  .zekken-footer-heading {
    font-size: 13px;
  }

  .zekken-footer-section {
    font-size: 13px;
  }

  .zekken-footer-copyright {
    padding-top: 16px;
    font-size: 11px;
  }

  /* --- プライバシー・特商法 --- */
  .privacy-main {
    padding: 20px 16px 32px;
  }

  .privacy-container {
    padding: 20px 16px;
  }

  .privacy-title {
    font-size: 1.2rem;
  }

  .tokushoho-table th,
  .tokushoho-table td {
    padding: 8px 10px;
    font-size: 12px;
    display: block;
    width: 100%;
    box-sizing: border-box;
  }

  .tokushoho-table th {
    width: 100%;
    border-bottom: none;
    padding-bottom: 2px;
    background-color: #f0f0f0;
  }

  .tokushoho-table tr {
    display: block;
    margin-bottom: 16px;
    border: 1px solid #ddd;
    border-radius: 4px;
    overflow: hidden;
  }

  .tokushoho-table td {
    border-top: 1px solid #ddd;
  }
}

/* 最小モバイル: ヘッダーメニューのレイアウト崩れ防止（〜400px） */
@media (max-width: 400px) {
  header nav.main-nav {
    padding: 8px 8px;
    gap: 5px;
    justify-content: center;
  }

  header nav.main-nav .nav-item {
    padding: 6px 8px;
    font-size: 11px;
  }

  header nav.main-nav .nav-item .zekken-nav-icon {
    font-size: 16px !important;
    width: 16px;
    height: 16px;
    margin-right: 4px;
  }

  .nav-menu-btn {
    padding: 6px 8px;
    min-height: 38px;
    flex-shrink: 0;
  }

  .nav-menu-btn-text {
    display: none;
  }

  .nav-menu-btn-icon::before,
  .nav-menu-btn-icon::after {
    width: 18px;
  }

  .nav-menu-btn-icon-line {
    width: 18px;
  }

  /* 制作工程セクション */
  .process-content {
    padding: 16px 12px;
  }

  .process-step-card {
    padding: 12px 10px;
    min-height: 120px;
  }

  .process-step-card .process-step-title {
    font-size: 14px;
  }

  .process-step-card .process-step-desc {
    font-size: 12px;
  }

  .process-step-card .process-step-icon {
    font-size: 28px;
  }

  /* 商品カード（ゼッケン種類） */
  .category-grid {
    min-width: 0;
  }

  .product-card {
    padding: 16px 12px;
    min-width: 0;
  }

  .category-header {
    flex-wrap: wrap;
    gap: 6px;
  }

  .category-header h4 {
    font-size: 16px;
    min-width: 0;
    word-break: break-word;
  }

  .category-type {
    font-size: 11px;
    padding: 3px 6px;
  }

  .category-info {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .btn-price-table.btn-secondary {
    padding: 8px 12px;
    font-size: 12px;
    justify-self: start;
  }
}

/* 配送日グリッド: 1024px以下は6列 */
@media (max-width: 1024px) {
  .delivery-date-grid {
    grid-template-columns: repeat(6, 1fr);
  }

  .delivery-date-grid .delivery-date-td {
    padding: 8px 8px;
    font-size: 13px;
  }
}

/* 配送日グリッド: 768px以下は4列・全オプション表示 */
@media (max-width: 768px) {
  .delivery-date-grid {
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: auto;
    overflow: visible;
  }

  .delivery-date-grid .delivery-date-td {
    padding: 8px 6px;
    font-size: 12px;
  }
}

/* ============================================
   ミドルサイズ（768px ～ 1023px）
   ============================================ */
@media (min-width: 768px) and (max-width: 1023px) {
  /* --- LP (index) --- */
  .main-container {
    padding: 20px;
    gap: 20px;
  }

  .sidebar {
    flex: 0 0 220px;
    padding: 20px;
  }

  .main-content {
    min-width: 0;
  }

  section h2 {
    font-size: 1.35rem;
    margin-bottom: 24px;
  }

  #process,
  #features,
  #inquiry,
  #information,
  #fullorder {
    padding: 36px 24px;
  }

  .feature-block {
    padding: 28px 24px;
    margin-bottom: 36px;
  }

  .feature-block h3 {
    font-size: 1.05rem;
  }

  .category-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .product-card {
    padding: 16px;
  }

  .inquiry-form-container {
    max-width: 520px;
  }

  .zekken-section-icon {
    font-size: 24px !important;
    width: 24px;
    height: 24px;
    margin-right: 8px;
  }

  /* --- 購入フロー --- */
  .purchase-container {
    padding: 20px;
    gap: 20px;
  }

  .purchase-sidebar {
    flex: 0 0 180px;
    padding: 18px;
  }

  .purchase-sidebar-minimal {
    flex: 0 0 180px;
  }

  .purchase-card {
    padding: 28px 24px;
    margin-bottom: 20px;
  }

  .purchase-card-title {
    font-size: 1.25rem;
  }

  .purchase-two-column {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }

  .purchase-form-group input,
  .purchase-form-group select,
  .purchase-form-group textarea {
    font-size: 16px; /* iOS フォーカス時ズーム防止 */
  }

  .text-multicol-column {
    min-width: 140px;
  }

  /* --- カート --- */
  .cart-header {
    padding: 14px 20px;
  }

  main {
    padding: 20px;
  }

  .cart-table th,
  .cart-table td {
    padding: 10px 12px;
    font-size: 14px;
  }

  /* --- フッター --- */
  .zekken-footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }

  .zekken-footer {
    padding: 36px 20px 24px;
  }

  /* --- プライバシー・特商法 --- */
  .privacy-main {
    padding: 28px 24px 40px;
  }

  .tokushoho-table th {
    width: 160px;
  }
}

/* ============================================
   PC（1024px ～）
   ============================================ */
@media (min-width: 1024px) {
  /* --- LP: ナビはバナーの下・サイドバー表示 --- */
  header .header-banner {
    order: 0;
  }

  header .main-nav {
    order: 1;
    flex-wrap: wrap;
    padding: 16px;
    border-top: 1px solid #e0e0e0;
  }

  .nav-menu-btn {
    display: none;
  }

  .nav-item-default {
    display: inline-flex;
  }

  .sidebar {
    display: block;
    flex: 0 0 250px;
    position: sticky;
    top: 24px;
    max-height: calc(100vh - 48px);
  }

  .main-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 10px 24px 24px 24px;
    gap: 24px;
  }

  .main-content {
    flex: 1;
    min-width: 0;
  }

  section h2 {
    font-size: 28px;
    margin-bottom: 32px;
  }

  .category-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
  }

  /* --- 購入フロー: サイドバー固定・2カラム維持 --- */
  .purchase-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 24px;
    gap: 24px;
  }

  .purchase-sidebar {
    flex: 0 0 200px;
    position: sticky;
    top: 60px;
    max-height: calc(100vh - 48px);
  }

  .purchase-two-column {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }

  .purchase-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
  }

  /* --- カート: テーブル幅確保 --- */
  main {
    max-width: 1000px;
    margin: 0 auto;
    padding: 24px;
  }

  /* --- フッター: 4カラム相当 --- */
  .zekken-footer-inner {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 32px;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
  }
}