/* フォント設定 */
body {
  font-family: 'Noto Sans JP', sans-serif;
}

/* グリッド背景線 */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: linear-gradient(to right, rgba(0, 0, 0, 0.03) 1px, transparent 1px);
  background-size: 120px 100%;
  z-index: -1;
  pointer-events: none;
}

/* 差し色 */
.accent {
  color: #54BAB9;
}
.accent-bg {
  background-color: #54BAB9;
}
.accent-border {
  border-color: #54BAB9;
}
.accent-hover:hover {
  background-color: #379c9a;
  color: white;
}

/* アニメーション */
@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}
.animate-blink {
  animation: blink 1.2s infinite;
}

/* ハンバーガー */
.hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  width: 24px;
  height: 18px;
  position: relative;
  cursor: pointer;
}
.hamburger span {
  display: block;
  height: 2px;
  background: #000;
  border-radius: 2px;
  transition: 0.3s;
  position: absolute;
  width: 100%;
}
.hamburger span:nth-child(1) { top: 0; }
.hamburger span:nth-child(2) { top: 8px; }
.hamburger span:nth-child(3) { top: 16px; }
.hamburger.open span:nth-child(1) { transform: rotate(45deg); top: 8px; }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg); top: 8px; }

/* モバイルメニュー */
.mobile-menu {
  display: none;
}
.mobile-menu.show {
  display: block;
}
.mobile-menu a {
  border-bottom: 1px solid #ccc;
  padding: 12px 16px;
  display: block;
  background-color: #fff;
}

/* ニュース記事専用スタイル */
.article-content p {
  margin-bottom: 1.5rem;
  line-height: 1.8;
}
.article-content img {
  width: 100%;
  height: auto;
  margin: 2rem 0;
}
.back-button {
  transition: transform 0.2s;
}
.back-button:hover {
  transform: translateX(-5px);
}
.tag {
  display: inline-block;
  font-size: 0.75rem;
  padding: 2px 8px;
  letter-spacing: 0.5px;
  border: 1px solid;
}
.tag-restock {
  color: #3b82f6;
  border-color: #3b82f6;
}

/* ========================
   404 NOT FOUND PAGE
   ======================== */
   /* --- 404ページ専用スタイル --- */
@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
  100% { transform: translateY(0px); }
}

.floating {
  animation: float 6s ease-in-out infinite;
}

.dot-pattern {
  background-image: radial-gradient(#e5e7eb 1px, transparent 1px);
  background-size: 20px 20px;
}

.error-number {
  font-size: 100px;
  line-height: 1;
  font-weight: 700;
  color: #f3f4f6;
  position: relative;
  z-index: 0;
}

@media (min-width: 768px) {
  .error-number {
    font-size: 180px;
  }
}

.error-title {
  margin-top: -16px;
  position: relative;
  z-index: 10;
}

@media (min-width: 768px) {
  .error-title {
    margin-top: -40px;
  }
}

.image-container {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
  max-width: 100%;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .image-container {
    flex-wrap: nowrap;
  }
}

/* ========================
   ADDRESS EDIT PAGE STYLES
   ======================== */
.accent-green {
  color: #54BAB9;
}
.bg-accent-green {
  background-color: #54BAB9;
}
.border-accent-green {
  border-color: #54BAB9;
}
.breadcrumb-item {
  display: inline-block;
  font-size: 0.875rem;
  color: #666;
}
.breadcrumb-item a {
  color: #666;
}
.breadcrumb-item a:hover {
  text-decoration: underline;
}
.breadcrumb-separator {
  margin: 0 8px;
  color: #ccc;
}
.form-group {
  margin-bottom: 1.5rem;
}
.form-label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  font-size: 0.875rem;
}
.form-input {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid #e2e8f0;
  font-size: 0.875rem;
  transition: all 0.3s;
}
.form-input:focus {
  outline: none;
  border-color: #54BAB9;
  box-shadow: 0 0 0 3px rgba(84, 186, 185, 0.2);
}
.form-select {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid #e2e8f0;
  font-size: 0.875rem;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%23666'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  background-size: 1rem;
}
.form-select:focus {
  outline: none;
  border-color: #54BAB9;
  box-shadow: 0 0 0 3px rgba(84, 186, 185, 0.2);
}
.form-error {
  color: #dc2626;
  font-size: 0.75rem;
  margin-top: 0.25rem;
}
.form-hint {
  color: #6b7280;
  font-size: 0.75rem;
  margin-top: 0.25rem;
}
.required-mark {
  color: #dc2626;
  margin-left: 0.25rem;
}
.btn-primary {
  background-color: #54BAB9;
  color: white;
  padding: 0.75rem 1.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  transition: all 0.3s;
}
.btn-primary:hover {
  background-color: #3d8a89;
}
.btn-secondary {
  background-color: #f3f4f6;
  color: #1f2937;
  padding: 0.75rem 1.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  transition: all 0.3s;
}
.btn-secondary:hover {
  background-color: #e5e7eb;
}
.section-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid #e2e8f0;
}
.card {
  background-color: white;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  overflow: hidden;
}
.card-header {
  padding: 1rem 1.5rem;
  border-bottom: 1px solid #f3f4f6;
  background-color: #f9fafb;
}
.card-body {
  padding: 1.5rem;
}
.sidebar-item {
  display: block;
  width: 100%;
  text-align: left;
  padding: 12px 16px;
  border-left: 3px solid transparent;
  transition: all 0.2s;
  font-size: 0.875rem;
}
.sidebar-item.active {
  border-left-color: #54BAB9;
  background-color: #f0fdfd;
  color: #54BAB9;
  font-weight: 500;
}
.sidebar-item:hover:not(.active) {
  background-color: #f9fafb;
}
.mobile-menu {
  display: none;
  position: fixed;
  top: 60px;
  left: 0;
  right: 0;
  background-color: white;
  padding: 1rem;
  flex-direction: column;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  z-index: 40;
}
.mobile-menu.show {
  display: flex;
}
.mobile-menu a {
  padding: 0.75rem 0;
  border-bottom: 1px solid #f3f4f6;
}
@media (max-width: 768px) {
  .form-grid {
    display: block;
  }
  .btn-group {
    flex-direction: column;
    gap: 0.75rem;
  }
  .btn-group .btn-primary,
  .btn-group .btn-secondary {
    width: 100%;
  }
}

/* ========================
   CART PAGE STYLES
   ======================== */


    .accent-green {
      color: #10B981;
    }
    .bg-accent-green {
      background-color: #10B981;
    }
    .border-accent-green {
      border-color: #10B981;
    }
    /* 数値入力フィールドの矢印を非表示にする */
    input[type="number"]::-webkit-inner-spin-button,
    input[type="number"]::-webkit-outer-spin-button {
      -webkit-appearance: none;
      margin: 0;
    }
    input[type="number"] {
      -moz-appearance: textfield;
    }
    .btn-primary {
      background-color: #10B981;
      color: white;
      padding: 0.75rem 1.5rem;
      font-weight: 500;
      transition: opacity 0.2s;
      border-radius: 4px;
    }
    .btn-primary:hover {
      opacity: 0.9;
    }
    .btn-secondary {
      background-color: white;
      color: #333;
      border: 1px solid #e5e7eb;
      padding: 0.75rem 1.5rem;
      font-weight: 500;
      transition: background-color 0.2s;
      border-radius: 4px;
    }
    .btn-secondary:hover {
      background-color: #f9fafb;
    }
    .quantity-btn {
      width: 28px;
      height: 28px;
      display: flex;
      align-items: center;
      justify-content: center;
      border: 1px solid #e5e7eb;
      background-color: white;
      transition: all 0.2s;
      border-radius: 4px;
    }
    .quantity-btn:hover {
      background-color: #f9fafb;
    }
    .quantity-input {
      width: 40px;
      text-align: center;
      border: 1px solid #e5e7eb;
      padding: 0.25rem;
      border-radius: 4px;
    }
    .cart-item {
      position: relative;
      padding: 1.5rem 0;
      border-bottom: 1px solid #e5e7eb;
    }
    .cart-item:last-child {
      border-bottom: none;
    }
    .cart-image {
      width: 80px;
      height: 80px;
      object-fit: cover;
      border-radius: 6px;
    }
    .mobile-menu {
      display: none;
      position: fixed;
      top: 60px;
      left: 0;
      right: 0;
      background-color: white;
      padding: 1rem;
      flex-direction: column;
      box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
      z-index: 40;
    }
    .mobile-menu.show {
      display: flex;
    }
    .mobile-menu a {
      padding: 0.75rem 0;
      border-bottom: 1px solid #f3f4f6;
    }
       .animate-blink {
      animation: blink 1s infinite;
    }
    @keyframes blink {
      0%, 100% { opacity: 1; }
      50% { opacity: 0.5; }
    }
    /* 共通スタイル */
    .cart-wrapper {
      border-radius: 8px;
      overflow: hidden;
      box-shadow: 0 1px 3px rgba(0,0,0,0.05);
      background-color: white;
      margin-bottom: 1.5rem;
    }
    .cart-list-header {
      padding: 1rem 1.5rem;
      background-color: #f9fafb;
      border-bottom: 1px solid #f3f4f6;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .cart-list-title {
      font-weight: 600;
      color: #111827;
    }
    .cart-list-count {
      background-color: #10B981;
      color: white;
      font-size: 0.75rem;
      padding: 0.25rem 0.5rem;
      border-radius: 9999px;
      font-weight: 500;
    }
    .cart-list-body {
      padding: 0 1.5rem;
    }
    @media (max-width: 768px) {
      .cart-summary {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        background-color: white;
        box-shadow: 0 -4px 12px rgba(0,0,0,0.12);
        z-index: 30;
        transition: all 0.3s ease;
        border-top-left-radius: 16px;
        border-top-right-radius: 16px;
      }
      .cart-summary-collapsed {
        padding: 1.25rem 1.5rem;
        height: 72px;
        overflow: hidden;
        background: linear-gradient(to bottom, rgba(255,255,255,0.98) 80%, rgba(255,255,255,0.95));
      }
      .cart-summary-expanded {
        padding: 1.5rem;
        max-height: 70vh;
        overflow-y: auto;
        border-top-left-radius: 20px;
        border-top-right-radius: 20px;
      }
      .cart-content {
        padding-bottom: 6rem;
        padding-left: 1rem;
        padding-right: 1rem;
      }
      .cart-image {
        width: 80px;
        height: 80px;
        border-radius: 8px;
      }
      .cart-item {
        padding: 1.5rem 0;
        margin-bottom: 0.5rem;
      }
      .quantity-controls {
        display: flex;
        align-items: center;
      }
      .delete-btn {
        margin-top: 0.75rem;
        width: 100%;
        justify-content: flex-start;
        color: #EF4444;
        font-weight: 500;
      }
      .product-info {
        width: 100%;
        padding-left: 1rem;
      }
      .summary-compact {
        font-size: 0.95rem;
      }
      .summary-compact h2 {
        font-size: 1.15rem;
        margin-bottom: 1rem;
        color: #111827;
      }
      .summary-compact .btn-primary,
      .summary-compact .btn-secondary {
        padding: 0.9rem 1.25rem;
        font-weight: 500;
        margin-bottom: 0.75rem;
      }
      .toggle-summary {
        display: flex;
        justify-content: space-between;
        align-items: center;
        width: 100%;
        font-size: 1rem;
        color: #111827;
        font-weight: 600;
      }
      .toggle-summary i {
        margin-left: 0.5rem;
        transition: transform 0.3s ease;
        color: #10B981;
      }
      .toggle-summary.open i {
        transform: rotate(180deg);
      }
      .summary-content {
        display: none;
        margin-top: 1.25rem;
      }
      .summary-content.show {
        display: block;
        animation: fadeIn 0.3s ease;
      }
      @keyframes fadeIn {
        from { opacity: 0; transform: translateY(10px); }
        to { opacity: 1; transform: translateY(0); }
      }
      .mobile-spacer {
        height: 0.5rem;
      }
      .summary-header {
        margin-bottom: 0.5rem;
        color: #4B5563;
      }
      .price-row {
        margin-bottom: 0.75rem;
      }
      .total-row {
        padding-top: 1rem;
        padding-bottom: 0.75rem;
      }
      .icon-info {
        display: flex;
        align-items: center;
        margin-bottom: 0.75rem;
        color: #6B7280;
      }
      .icon-info i {
        width: 24px;
        color: #9CA3AF;
      }
      .cart-list-mobile {
        padding: 0 0.75rem;
      }
      .cart-list-header {
        padding: 1rem;
      }
      .cart-wrapper {
        margin-bottom: 1rem;
      }
      .summary-price {
        font-size: 1.1rem;
        font-weight: 600;
        color: #10B981;
      }
    }
    /* PC表示改善 */
    @media (min-width: 769px) {
      .cart-image {
        border-radius: 8px;
      }
      .product-info {
        padding-left: 1.25rem;
      }
      .cart-content {
        padding-left: 1.5rem;
        padding-right: 1.5rem;
      }
      .summary-compact {
        border-radius: 8px;
        padding: 1.5rem;
      }
      .brand-tag {
        display: inline-block;
        font-size: 0.7rem;
        color: #6B7280;
        border: 1px solid #E5E7EB;
        padding: 0.15rem 0.5rem;
        border-radius: 4px;
        margin-bottom: 0.5rem;
      }
    }
    /* ページネーション関連のスタイル */
    .pagination {
      display: flex;
      justify-content: center;
      margin-top: 2rem;
      margin-bottom: 1rem;
    }
    .pagination-item {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 36px;
      height: 36px;
      margin: 0 0.25rem;
      border-radius: 4px;
      border: 1px solid #e5e7eb;
      font-size: 0.9rem;
      color: #4b5563;
      transition: all 0.2s;
    }
    .pagination-item:hover {
      background-color: #f3f4f6;
    }
    .pagination-item.active {
      background-color: #10B981;
      color: white;
      border-color: #10B981;
    }
    .pagination-arrow {
      color: #6b7280;
      transition: all 0.2s;
    }
    .pagination-arrow:hover {
      color: #111827;
    }
    .pagination-arrow.disabled {
      color: #d1d5db;
      cursor: not-allowed;
    }
    .hide-item {
      display: none;
    }
    /* モバイルカートサマリー */
    .cart-summary-collapsed #summaryContent {
      max-height: 0;
      opacity: 0;
    }
    .cart-summary-expanded #summaryContent {
      max-height: 500px;
      opacity: 1;
    }
    @media (min-width: 768px) {
      .cart-summary-expanded #summaryContent {
        max-height: none;
      }
    }

/* ========== Checkout Page Styles ========== */

    .accent-bg {
      background-color: #333;
    }
    .bg-accent {
      background-color: #333;
    }
    .hover\:bg-accent-dark:hover {
      background-color: #000;
    }
    .text-accent {
      color: #333;
    }
    .accent-green {
      color: #10B981;
    }
    .bg-accent-green {
      background-color: #10B981;
    }
    .border-accent-green {
      border-color: #10B981;
    }
    .step-indicator {
      height: 4px;
      background-color: #e5e7eb;
      position: relative;
      margin: 0 1rem;
    }
    .step-indicator::after {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      height: 100%;
      background-color: #10B981;
      transition: width 0.3s ease;
    }
    .step-1 .step-indicator::after {
      width: 33.33%;
    }
    .step-2 .step-indicator::after {
      width: 66.66%;
    }
    .step-3 .step-indicator::after {
      width: 100%;
    }
    .step-circle {
      width: 30px;
      height: 30px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      background-color: #e5e7eb;
      color: #6b7280;
      font-weight: bold;
      transition: all 0.3s ease;
    }
    .step-active .step-circle {
      background-color: #10B981;
      color: white;
    }
    .step-complete .step-circle {
      background-color: #10B981;
      color: white;
    }
    .mobile-menu {
      display: none;
      position: fixed;
      top: 60px;
      left: 0;
      right: 0;
      background-color: white;
      padding: 1rem;
      flex-direction: column;
      box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
      z-index: 40;
    }
    .mobile-menu.show {
      display: flex;
    }
    .mobile-menu a {
      padding: 0.75rem 0;
      border-bottom: 1px solid #f3f4f6;
    }
   
    .animate-blink {
      animation: blink 1s infinite;
    }
    @keyframes blink {
      0%, 100% { opacity: 1; }
      50% { opacity: 0.5; }
    }
    @media (max-width: 768px) {
      .checkout-section {
        padding: 1rem;
      }
      .checkout-step {
        font-size: 0.8rem;
      }
    }
    .product-summary-item {
      display: flex;
      align-items: center;
      padding: 0.75rem 0;
      border-bottom: 1px solid #e5e7eb;
    }
    .product-summary-item:last-child {
      border-bottom: none;
    }
    .summary-total {
      font-weight: bold;
      border-top: 2px solid #333;
      padding-top: 0.75rem;
      margin-top: 0.75rem;
    }
    [x-cloak] { 
      display: none !important; 
    }
    .modal-transition {
      transition: opacity 0.3s ease, transform 0.3s ease;
    }
    .coupon-modal-item {
      border: 1px solid #e5e7eb;
      transition: all 0.2s ease;
    }
    .coupon-modal-item:hover {
      border-color: #333;
    }
    .coupon-modal-item.selected {
      border-color: #333;
      background-color: #f9fafb;
    }
    .coupon-radio {
      width: 18px;
      height: 18px;
      border: 2px solid #d1d5db;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: all 0.2s ease;
    }
    .coupon-radio-dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background-color: #333;
    }
 

   /* ========== Contact Page Styles ========== */

    .accent-green {
      color: #10B981;
    }
    .bg-accent-green {
      background-color: #10B981;
    }
    .border-accent-green {
      border-color: #10B981;
    }
    .step-item {
      position: relative;
      flex: 1;
    }
    
    .step-item:not(:last-child):after {
      content: "";
      position: absolute;
      right: -50%;
      top: 25%;
      width: 100%;
      height: 2px;
      background-color: #e5e7eb;
      z-index: 0;
    }
    
    .step-item.active:not(:last-child):after {
      background-color: #10B981;
    }
    
    .step-circle {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background-color: #f3f4f6;
      border: 2px solid #e5e7eb;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 0.75rem;
      position: relative;
      z-index: 1;
      transition: all 0.3s;
    }
    
    .step-item.active .step-circle {
      background-color: #10B981;
      border-color: #10B981;
      color: white;
    }
    
    .step-item.completed .step-circle {
      background-color: #10B981;
      border-color: #10B981;
      color: white;
    }
    
    .form-input {
      width: 100%;
      border: 1px solid #e5e7eb;
      padding: 0.75rem 1rem;
      font-size: 0.95rem;
      transition: border-color 0.2s;
      background: white;
    }
    
    .form-input:focus {
      outline: none;
      border-color: #10B981;
      box-shadow: 0 0 0 1px #10B981;
    }
    
    .form-label {
      display: block;
      margin-bottom: 0.5rem;
      font-weight: 500;
      color: #1f2937;
    }
    
    .btn-primary {
      background-color: #10B981;
      color: white;
      padding: 0.75rem 1.5rem;
      font-weight: 500;
      transition: background-color 0.2s, opacity 0.2s;
    }
    
    .btn-primary:hover {
      opacity: 0.9;
    }
    
    .btn-secondary {
      background-color: white;
      color: #333;
      border: 1px solid #e5e7eb;
      padding: 0.75rem 1.5rem;
      font-weight: 500;
      transition: background-color 0.2s, border-color 0.2s;
    }
    
    .btn-secondary:hover {
      background-color: #f9fafb;
      border-color: #d1d5db;
    }
    
    .thanks-icon {
      font-size: 4rem;
      color: #10B981;
      margin-bottom: 1.5rem;
    }
    
    .card {
      background-color: white;
      border: 1px solid #e5e7eb;
      padding: 1.5rem;
      transition: box-shadow 0.2s;
      text-align: left;
      width: 100%;
      max-width: 700px;
      margin: 0 auto;
    }
    
    @media (min-width: 640px) {
      .card {
        padding: 2rem;
      }
    }
    
    .card:hover {
      box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    }
    
    .text-align-left {
      text-align: left;
    }
    
    .button-container {
      display: flex;
      justify-content: center;
      gap: 1rem;
    }
    
    @media (max-width: 640px) {
      .form-input {
        padding: 0.625rem 0.75rem;
      }
      
      .button-container {
        flex-direction: column;
      }
      
      .button-container button {
        width: 100%;
      }
    }
    
    .animate-blink {
      animation: blink 1s infinite;
    }
    @keyframes blink {
      0%, 100% { opacity: 1; }
      50% { opacity: 0.5; }
    }
/* ========== Coupon Styles ========== */

        .accent-bg {
            background-color: #333;
        }
        .bg-accent {
            background-color: #333;
        }
        .hover\:bg-accent-dark:hover {
            background-color: #000;
        }
        .text-accent {
            color: #333;
        }
        .mobile-menu {
            display: none;
            position: fixed;
            top: 60px;
            left: 0;
            right: 0;
            background-color: white;
            padding: 1rem;
            flex-direction: column;
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
            z-index: 40;
        }
        .mobile-menu.show {
            display: flex;
        }
        .mobile-menu a {
            padding: 0.75rem 0;
            border-bottom: 1px solid #f3f4f6;
        }
                .coupon-card {
            border: 1px solid #e5e7eb;
            transition: all 0.3s ease;
        }
        .coupon-card:hover {
            border-color: #333;
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
        }
        .tab-active {
            border-bottom: 2px solid #333;
            color: #333;
        }
        .tab-inactive {
            border-bottom: 2px solid transparent;
            color: #6b7280;
        }
        .animate-blink {
            animation: blink 1s infinite;
        }
        @keyframes blink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.5; }
        }
        @media (max-width: 768px) {
            .coupon-grid {
                grid-template-columns: 1fr;
            }
        }
 
/* ========== Coupon List Styles ========== */
        .accent-bg {
          background-color: #333;
        }
        .bg-accent {
          background-color: #333;
        }
        .hover\:bg-accent-dark:hover {
          background-color: #000;
        }
        .text-accent {
          color: #333;
        }
        .mobile-menu {
          display: none;
          position: fixed;
          top: 60px;
          left: 0;
          right: 0;
          background-color: white;
          padding: 1rem;
          flex-direction: column;
          box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
          z-index: 40;
        }
        .mobile-menu.show {
          display: flex;
        }
        .mobile-menu a {
          padding: 0.75rem 0;
          border-bottom: 1px solid #f3f4f6;
        }
                .coupon-card {
          border: 1px solid #e5e7eb;
          transition: all 0.3s ease;
        }
        .coupon-card:hover {
          border-color: #333;
          box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
        }
        .filter-active {
          background-color: #333;
          color: white;
        }
        .filter-inactive {
          background-color: white;
          color: #333;
          border: 1px solid #e5e7eb;
        }
        .animate-blink {
          animation: blink 1s infinite;
        }
        @keyframes blink {
          0%, 100% { opacity: 1; }
          50% { opacity: 0.5; }
        }
        .coupon-status-valid {
          background-color: #10B981;
          color: white;
        }
        .coupon-status-soon {
          background-color: #F59E0B;
          color: white;
        }
        .coupon-status-expired {
          background-color: #6B7280;
          color: white;
        }
        @media (max-width: 768px) {
          .coupon-grid {
            grid-template-columns: 1fr;
          }
          .filter-buttons {
            overflow-x: auto;
            white-space: nowrap;
            padding-bottom: 0.5rem;
          }
          .filter-buttons::-webkit-scrollbar {
            height: 4px;
          }
          .filter-buttons::-webkit-scrollbar-thumb {
            background-color: #e5e7eb;
          }
        }

     /* ========== FAQ Accordion Styles ========== */
        .accordion-item {
          transition: all 0.3s ease;
        }
        
        .accordion-button {
          position: relative;
          padding-right: 2.5rem;
          transition: all 0.2s ease;
          border-bottom: 1px solid #f3f4f6;
        }
        
        .accordion-button:hover {
          background-color: #f9fafb;
        }
        
        .accordion-button::after {
          content: '';
          position: absolute;
          right: 1rem;
          top: 50%;
          transform: translateY(-50%);
          width: 1rem;
          height: 1rem;
          background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23333' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
          background-repeat: no-repeat;
          background-position: center;
          transition: transform 0.2s ease;
        }
        
        .accordion-button[aria-expanded="true"]::after {
          transform: translateY(-50%) rotate(180deg);
        }
        
        .accordion-content {
          max-height: 0;
          overflow: hidden;
          transition: max-height 0.3s ease;
        }
        
        .accordion-content.open {
          max-height: 200px;
        }
        
        .faq-category {
          position: relative;
          margin-bottom: 2rem;
        }
        
        .faq-category::before {
          content: '';
          position: absolute;
          left: 0;
          top: 12px;
          width: 3px;
          height: calc(100% - 12px);
          background-color: #e5e7eb;
        }
        
        .faq-category-title {
          display: inline-block;
          margin-bottom: 1.5rem;
          padding-left: 1rem;
          position: relative;
        }
        
        .faq-category-title::before {
          content: '';
          position: absolute;
          left: 0;
          top: 50%;
          transform: translateY(-50%);
          width: 3px;
          height: 1.5rem;
          background-color: #333;
        }


        /* ========== login-register Accordion Styles ========== */
        .accent-green {
          color: #10B981;
        }
        .bg-accent-green {
          background-color: #10B981;
        }
        .border-accent-green {
          border-color: #10B981;
        }
        .breadcrumb-item {
          display: inline-block;
          font-size: 0.875rem;
          color: #666;
        }
        .breadcrumb-item a {
          color: #666;
        }
        .breadcrumb-item a:hover {
          text-decoration: underline;
          color: #10B981;
        }
        .breadcrumb-separator {
          margin: 0 8px;
          color: #ccc;
        }
        .form-group {
          margin-bottom: 1.5rem;
        }
        .form-label {
          display: block;
          margin-bottom: 0.5rem;
          font-weight: 500;
          font-size: 0.875rem;
        }
        .form-input {
          width: 100%;
          padding: 0.75rem;
          border: 1px solid #e2e8f0;
          border-radius: 4px;
          font-size: 0.875rem;
          transition: all 0.3s;
        }
        .form-input:focus {
          outline: none;
          border-color: #10B981;
          box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2);
        }
        .form-error {
          color: #dc2626;
          font-size: 0.75rem;
          margin-top: 0.25rem;
        }
        .form-hint {
          color: #6b7280;
          font-size: 0.75rem;
          margin-top: 0.25rem;
        }
        .required-mark {
          color: #dc2626;
          margin-left: 0.25rem;
        }
        .btn-primary {
          background-color: #10B981;
          color: white;
          padding: 0.75rem 1.5rem;
          font-size: 0.875rem;
          border-radius: 4px;
          font-weight: 500;
          transition: all 0.3s;
          width: 100%;
        }
        .btn-primary:hover {
          background-color: #059669;
        }
        .btn-secondary {
          background-color: #f3f4f6;
          color: #1f2937;
          padding: 0.75rem 1.5rem;
          font-size: 0.875rem;
          border-radius: 4px;
          font-weight: 500;
          transition: all 0.3s;
          width: 100%;
        }
        .btn-secondary:hover {
          background-color: #e5e7eb;
        }
        .btn-outline {
          background-color: transparent;
          color: #10B981;
          border: 1px solid #10B981;
          padding: 0.75rem 1.5rem;
          font-size: 0.875rem;
          border-radius: 4px;
          font-weight: 500;
          transition: all 0.3s;
          width: 100%;
        }
        .btn-outline:hover {
          background-color: #f0fdf4;
        }
        .mobile-menu {
          display: none;
          position: fixed;
          top: 60px;
          left: 0;
          right: 0;
          background-color: white;
          padding: 1rem;
          flex-direction: column;
          box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
          z-index: 40;
        }
        .mobile-menu.show {
          display: flex;
        }
        .mobile-menu a {
          padding: 0.75rem 0;
          border-bottom: 1px solid #f3f4f6;
        }
               .card {
          background-color: white;
          border-radius: 8px;
          box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
          overflow: hidden;
        }
        .card-header {
          padding: 1rem 1.5rem;
          border-bottom: 1px solid #f3f4f6;
          background-color: #f9fafb;
        }
        .card-body {
          padding: 1.5rem;
        }
        .separator {
          display: flex;
          align-items: center;
          text-align: center;
          margin: 1.5rem 0;
        }
        .separator::before,
        .separator::after {
          content: '';
          flex: 1;
          border-bottom: 1px solid #e5e7eb;
        }
        .separator::before {
          margin-right: 1rem;
        }
        .separator::after {
          margin-left: 1rem;
        }
        .social-button {
          display: flex;
          align-items: center;
          justify-content: center;
          width: 100%;
          padding: 0.75rem 1rem;
          border: 1px solid #e5e7eb;
          border-radius: 4px;
          font-size: 0.875rem;
          font-weight: 500;
          transition: all 0.2s;
          margin-bottom: 0.75rem;
        }
        .social-button:hover {
          background-color: #f9fafb;
        }
        .social-button i {
          margin-right: 0.75rem;
        }
        .social-button.google i {
          color: #EA4335;
        }
        .social-button.facebook i {
          color: #fff;
        }
        .social-button.apple i {
          color: #000000;
        }
        .benefits-list {
          margin-top: 1.5rem;
        }
        .benefits-list li {
          display: flex;
          align-items: flex-start;
          margin-bottom: 0.75rem;
        }
        .benefits-list i {
          color: #10B981;
          margin-right: 0.5rem;
          margin-top: 0.25rem;
        }
        .tab-active {
          background-color: #10B981;
          color: white;
        }
        .tab-inactive {
          background-color: #f3f4f6;
          color: #4b5563;
        }
        .tab-button {
          padding: 0.75rem 1.5rem;
          font-size: 0.875rem;
          font-weight: 500;
          transition: all 0.3s;
          flex-grow: 1;
          text-align: center;
        }
        
        /* 新規登録ステップ関連のスタイル */
        .step-container {
          display: flex;
          justify-content: space-between;
          position: relative;
          margin-bottom: 2rem;
        }
        .step-container::before {
          content: '';
          position: absolute;
          top: 15px;
          left: 0;
          right: 0;
          height: 2px;
          background-color: #e5e7eb;
          z-index: 1;
        }
        .step {
          display: flex;
          flex-direction: column;
          align-items: center;
          position: relative;
          z-index: 2;
        }
        .step-circle {
          display: flex;
          align-items: center;
          justify-content: center;
          width: 30px;
          height: 30px;
          border-radius: 50%;
          background-color: #e5e7eb;
          color: #9ca3af;
          font-size: 14px;
          font-weight: 600;
          margin-bottom: 0.5rem;
        }
        .step-label {
          font-size: 0.75rem;
          color: #6b7280;
          text-align: center;
        }
        .step-active .step-circle {
          background-color: #10B981;
          color: white;
        }
        .step-active .step-label {
          color: #10B981;
          font-weight: 500;
        }
        .step-complete .step-circle {
          background-color: #10B981;
          color: white;
        }
        .step-complete .step-circle::before {
          content: '✓';
        }
        .info-row {
          display: flex;
          margin-bottom: 1rem;
          padding-bottom: 1rem;
          border-bottom: 1px solid #f3f4f6;
        }
        .info-row:last-child {
          border-bottom: none;
        }
        .info-label {
          width: 30%;
          color: #6b7280;
          font-size: 0.875rem;
        }
        .info-value {
          width: 70%;
          font-size: 0.875rem;
        }
        .completion-icon {
          margin: 0 auto;
          width: 64px;
          height: 64px;
          border-radius: 50%;
          background-color: #ecfdf5;
          display: flex;
          align-items: center;
          justify-content: center;
          margin-bottom: 1.5rem;
        }
        .completion-icon i {
          font-size: 32px;
          color: #10B981;
        }
        
        @media (max-width: 768px) {
          .two-columns {
            flex-direction: column;
          }
          .login-register-card {
            margin-bottom: 2rem;
          }
          .tab-button {
            padding: 0.75rem 0.5rem;
            font-size: 0.8rem;
          }
          .info-row {
            flex-direction: column;
          }
          .info-label, .info-value {
            width: 100%;
          }
          .info-label {
            margin-bottom: 0.25rem;
            font-weight: 500;
          }
          .step-label {
            font-size: 0.7rem;
          }
        }


       /* ========== mypage_edit Accordion Styles ========== */
        .accent-green {
          color: #54BAB9;
        }
        .bg-accent-green {
          background-color: #54BAB9;
        }
        .border-accent-green {
          border-color: #54BAB9;
        }
        .breadcrumb-item {
          display: inline-block;
          font-size: 0.875rem;
          color: #666;
        }
        .breadcrumb-item a {
          color: #666;
        }
        .breadcrumb-item a:hover {
          text-decoration: underline;
        }
        .breadcrumb-separator {
          margin: 0 8px;
          color: #ccc;
        }
        .form-group {
          margin-bottom: 1.5rem;
        }
        .form-label {
          display: block;
          margin-bottom: 0.5rem;
          font-weight: 500;
          font-size: 0.875rem;
        }
        .form-input {
          width: 100%;
          padding: 0.75rem;
          border: 1px solid #e2e8f0;
          font-size: 0.875rem;
          transition: all 0.3s;
        }
        .form-input:focus {
          outline: none;
          border-color: #54BAB9;
          box-shadow: 0 0 0 3px rgba(84, 186, 185, 0.2);
        }
        .form-select {
          width: 100%;
          padding: 0.75rem;
          border: 1px solid #e2e8f0;
          font-size: 0.875rem;
          appearance: none;
          background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%23666'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
          background-repeat: no-repeat;
          background-position: right 0.75rem center;
          background-size: 1rem;
        }
        .form-select:focus {
          outline: none;
          border-color: #54BAB9;
          box-shadow: 0 0 0 3px rgba(84, 186, 185, 0.2);
        }
        .form-error {
          color: #dc2626;
          font-size: 0.75rem;
          margin-top: 0.25rem;
        }
        .form-hint {
          color: #6b7280;
          font-size: 0.75rem;
          margin-top: 0.25rem;
        }
        .required-mark {
          color: #dc2626;
          margin-left: 0.25rem;
        }
        .btn-primary {
          background-color: #54BAB9;
          color: white;
          padding: 0.75rem 1.5rem;
          font-size: 0.875rem;
          font-weight: 500;
          transition: all 0.3s;
        }
        .btn-primary:hover {
          background-color: #3d8a89;
        }
        .btn-secondary {
          background-color: #f3f4f6;
          color: #1f2937;
          padding: 0.75rem 1.5rem;
          font-size: 0.875rem;
          font-weight: 500;
          transition: all 0.3s;
        }
        .btn-secondary:hover {
          background-color: #e5e7eb;
        }
        .section-title {
          font-size: 1.25rem;
          font-weight: 600;
          margin-bottom: 1.5rem;
          padding-bottom: 0.5rem;
          border-bottom: 1px solid #e2e8f0;
        }
        .card {
          background-color: white;
          box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
          overflow: hidden;
        }
        .card-header {
          padding: 1rem 1.5rem;
          border-bottom: 1px solid #f3f4f6;
          background-color: #f9fafb;
        }
        .card-body {
          padding: 1.5rem;
        }
        .sidebar-item {
          display: block;
          width: 100%;
          text-align: left;
          padding: 12px 16px;
          border-left: 3px solid transparent;
          transition: all 0.2s;
          font-size: 0.875rem;
        }
        .sidebar-item.active {
          border-left-color: #54BAB9;
          background-color: #f0fdfd;
          color: #54BAB9;
          font-weight: 500;
        }
        .sidebar-item:hover:not(.active) {
          background-color: #f9fafb;
        }
        .mobile-menu {
          display: none;
          position: fixed;
          top: 60px;
          left: 0;
          right: 0;
          background-color: white;
          padding: 1rem;
          flex-direction: column;
          box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
          z-index: 40;
        }
        .mobile-menu.show {
          display: flex;
        }
        .mobile-menu a {
          padding: 0.75rem 0;
          border-bottom: 1px solid #f3f4f6;
        }
                @media (max-width: 768px) {
          .form-grid {
            display: block;
          }
          .btn-group {
            flex-direction: column;
            gap: 0.75rem;
          }
          .btn-group .btn-primary,
          .btn-group .btn-secondary {
            width: 100%;
          }
        }
    


       /* ========== mypage Accordion Styles ========== */
  
     
       .order-item {
         border-bottom: 1px solid #e2e8f0;
         padding: 15px 0;
       }
       .order-item:last-child {
         border-bottom: none;
       }
       .product-card {
         border: 1px solid #e2e8f0;
         padding: 15px;
         transition: all 0.3s;
         margin-bottom: 20px;
       }
       .product-card:hover {
         box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
       }
       .product-card img {
         width: 100%;
         height: 200px;
         object-fit: cover;
         margin-bottom: 15px;
         border-radius: 0;
       }
       .luxr-btn-primary {
         background-color: #000;
         color: #fff;
         padding: 10px 16px;
         font-size: 0.875rem;
         transition: background-color 0.3s;
         min-width: 120px;
         text-align: center;
       }
       .luxr-btn-primary:hover {
         background-color: #333;
       }
       .luxr-btn-outline {
         border: 1px solid #e2e8f0;
         padding: 10px 16px;
         font-size: 0.875rem;
         transition: all 0.3s;
         min-width: 80px;
         text-align: center;
       }
       .luxr-btn-outline:hover {
         border-color: #000;
       }
       .address-card {
         border: 1px solid #e2e8f0;
         padding: 15px;
         margin-bottom: 15px;
       }
       .payment-card {
         border: 1px solid #e2e8f0;
         padding: 15px;
         margin-bottom: 15px;
       }
       .coupon-card {
         border: 1px solid #e2e8f0;
         padding: 15px;
         margin-bottom: 15px;
       }
       /* お気に入り商品グリッド */
       .favorites-grid {
         display: grid;
         grid-template-columns: repeat(1, 1fr);
         gap: 20px;
       }
       @media (min-width: 768px) {
         .favorites-grid {
           grid-template-columns: repeat(2, 1fr);
         }
       }
       @media (min-width: 1024px) {
         .favorites-grid {
           grid-template-columns: repeat(3, 1fr);
         }
       }
       @media (max-width: 768px) {
         .content-wrap {
           padding: 15px;
         }
         .btn-group {
           display: flex;
           flex-wrap: wrap;
           gap: 8px;
         }
         .luxr-btn-primary, .luxr-btn-outline {
           flex: 1 0 auto;
           min-width: 0;
         }
         .mobile-action-buttons {
           display: flex;
           flex-direction: column;
           gap: 8px;
           width: 80px;
         }
         .mobile-action-buttons .luxr-btn-outline {
           padding: 8px;
           min-width: 0;
           width: 100%;
         }
       }


       /* ========== news Accordion Styles ========== */
        .news-item {
          transition: transform 0.2s;
        }
        .news-item:hover {
          transform: translateY(-2px);
        }
        .accent-border-left {
          border-left: 3px solid #333;
          padding-left: 1rem;
        }
        .tag {
          display: inline-block;
          font-size: 0.75rem;
          padding: 2px 8px;
          letter-spacing: 0.5px;
          border: 1px solid;
        }
        .tag-restock { color: #3b82f6; border-color: #3b82f6; }
        .tag-coupon { color: #8b5cf6; border-color: #8b5cf6; }
        .tag-maintenance { color: #ef4444; border-color: #ef4444; }
        .tag-new { color: #f59e0b; border-color: #f59e0b; }
        .tag-sale { color: #10b981; border-color: #10b981; }
        .tag-info { color: #6b7280; border-color: #6b7280; }
    

      /* ========== payment_edit Accordion Styles ========== */
        .accent-green {
          color: #54BAB9;
        }
        .bg-accent-green {
          background-color: #54BAB9;
        }
        .border-accent-green {
          border-color: #54BAB9;
        }
        .breadcrumb-item {
          display: inline-block;
          font-size: 0.875rem;
          color: #666;
        }
        .breadcrumb-item a {
          color: #666;
        }
        .breadcrumb-item a:hover {
          text-decoration: underline;
        }
        .breadcrumb-separator {
          margin: 0 8px;
          color: #ccc;
        }
        .form-group {
          margin-bottom: 1.5rem;
        }
        .form-label {
          display: block;
          margin-bottom: 0.5rem;
          font-weight: 500;
          font-size: 0.875rem;
        }
        .form-input {
          width: 100%;
          padding: 0.75rem;
          border: 1px solid #e2e8f0;
          font-size: 0.875rem;
          transition: all 0.3s;
        }
        .form-input:focus {
          outline: none;
          border-color: #54BAB9;
          box-shadow: 0 0 0 3px rgba(84, 186, 185, 0.2);
        }
        .form-select {
          width: 100%;
          padding: 0.75rem;
          border: 1px solid #e2e8f0;
          font-size: 0.875rem;
          appearance: none;
          background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%23666'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
          background-repeat: no-repeat;
          background-position: right 0.75rem center;
          background-size: 1rem;
        }
        .form-select:focus {
          outline: none;
          border-color: #54BAB9;
          box-shadow: 0 0 0 3px rgba(84, 186, 185, 0.2);
        }
        .form-error {
          color: #dc2626;
          font-size: 0.75rem;
          margin-top: 0.25rem;
        }
        .form-hint {
          color: #6b7280;
          font-size: 0.75rem;
          margin-top: 0.25rem;
        }
        .required-mark {
          color: #dc2626;
          margin-left: 0.25rem;
        }
        .btn-primary {
          background-color: #54BAB9;
          color: white;
          padding: 0.75rem 1.5rem;
          font-size: 0.875rem;
          font-weight: 500;
          transition: all 0.3s;
        }
        .btn-primary:hover {
          background-color: #3d8a89;
        }
        .btn-secondary {
          background-color: #f3f4f6;
          color: #1f2937;
          padding: 0.75rem 1.5rem;
          font-size: 0.875rem;
          font-weight: 500;
          transition: all 0.3s;
        }
        .btn-secondary:hover {
          background-color: #e5e7eb;
        }
        .section-title {
          font-size: 1.25rem;
          font-weight: 600;
          margin-bottom: 1.5rem;
          padding-bottom: 0.5rem;
          border-bottom: 1px solid #e2e8f0;
        }
        .card {
          background-color: white;
          box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
          overflow: hidden;
        }
        .card-header {
          padding: 1rem 1.5rem;
          border-bottom: 1px solid #f3f4f6;
          background-color: #f9fafb;
        }
        .card-body {
          padding: 1.5rem;
        }
        .sidebar-item {
          display: block;
          width: 100%;
          text-align: left;
          padding: 12px 16px;
          border-left: 3px solid transparent;
          transition: all 0.2s;
          font-size: 0.875rem;
        }
        .sidebar-item.active {
          border-left-color: #54BAB9;
          background-color: #f0fdfd;
          color: #54BAB9;
          font-weight: 500;
        }
        .sidebar-item:hover:not(.active) {
          background-color: #f9fafb;
        }
        .mobile-menu {
          display: none;
          position: fixed;
          top: 60px;
          left: 0;
          right: 0;
          background-color: white;
          padding: 1rem;
          flex-direction: column;
          box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
          z-index: 40;
        }
        .mobile-menu.show {
          display: flex;
        }
        .mobile-menu a {
          padding: 0.75rem 0;
          border-bottom: 1px solid #f3f4f6;
        }
               .payment-card {
          border: 1px solid #e5e7eb;
          padding: 16px;
          margin-bottom: 16px;
          position: relative;
          transition: all 0.2s;
        }
        .payment-card:hover {
          border-color: #54BAB9;
          box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
        }
        .payment-card.selected {
          border-color: #54BAB9;
          background-color: #f0fdfd;
        }
        .payment-card-radio {
          position: absolute;
          right: 16px;
          top: 16px;
        }
        .card-icon {
          width: 48px;
          height: 32px;
          object-fit: contain;
        }
        .credit-card-form {
          max-width: 400px;
        }
        .cc-number {
          background-image: url('assets/img/credit-card.svg');
          background-repeat: no-repeat;
          background-position: right 10px center;
          background-size: 24px;
        }
        @media (max-width: 768px) {
          .form-grid {
            display: block;
          }
          .btn-group {
            flex-direction: column;
            align-items: center;
            gap: 0.75rem;
          }
          .btn-group .btn-primary,
          .btn-group .btn-secondary {
            width: 100%;
            text-align: center;
          }
          .payment-card .flex.items-center {
            flex-direction: row;
            align-items: flex-start !important;
          }
          .payment-card .flex.items-start {
            align-items: flex-start !important;
          }
          .payment-card label {
            display: block;
            width: 100%;
          }
        }
    
 /* ========== product-detail Accordion Styles ========== */
        .thumbnail {
          cursor: pointer;
          border: 2px solid transparent;
        }
        .thumbnail.active {
          border-color: #54BAB9;
        }
        .product-gallery {
          width: 100%;
          position: relative;
        }
        .main-image-container {
          width: 100%;
          position: relative;
          overflow: hidden;
        }
        .thumbnails-container {
          width: 100%;
          display: flex;
          margin-top: 10px;
          overflow-x: auto;
          scrollbar-width: none;
        }
        .thumbnails-container::-webkit-scrollbar {
          display: none;
        }
        .thumbnail-item {
          flex: 0 0 20%;
          max-width: 20%;
          padding: 2px;
        }
        .thumbnail-item img {
          width: 100%;
          height: auto;
          object-fit: cover;
          border: 1px solid #e2e8f0;
        }
        .thumbnail-item img.active {
          border: 2px solid #54BAB9;
        }
        .swiper-container {
          width: 100%;
        }
        .in-stock {
          color: #10b981;
          font-size: 0.875rem;
          font-weight: 500;
        }
        .breadcrumb-item {
          display: inline-block;
          font-size: 0.875rem;
          color: #666;
        }
        .breadcrumb-item a {
          color: #666;
        }
        .breadcrumb-item a:hover {
          text-decoration: underline;
        }
        .breadcrumb-separator {
          margin: 0 8px;
          color: #ccc;
        }
        .tab-container {
          border-bottom: 1px solid #e2e8f0;
          margin-bottom: 20px;
        }
        .tab-button {
          padding: 10px 0;
          margin-right: 20px;
          font-weight: 500;
          color: #666;
          border-bottom: 2px solid transparent;
        }
        .tab-button.active {
          color: #000;
          border-bottom-color: #000;
        }
        .size-option, .color-option {
          width: 36px;
          height: 36px;
          display: inline-flex;
          align-items: center;
          justify-content: center;
          margin-right: 8px;
          border: 1px solid #e2e8f0;
          cursor: pointer;
        }
        .size-option.active {
          border-color: #000;
          background-color: #000;
          color: white;
        }
        .color-option {
          border-radius: 50%;
        }
        .color-option.active {
          border: 2px solid #000;
        }
        .color-white {
          background-color: #fff;
        }
        .color-black {
          background-color: #000;
        }
        .quantity-selector {
          display: flex;
          align-items: center;
          border: 1px solid #e2e8f0;
          width: 100px;
        }
        .quantity-button {
          width: 30px;
          height: 30px;
          display: flex;
          align-items: center;
          justify-content: center;
          background: none;
          border: none;
          cursor: pointer;
        }
        .quantity-input {
          width: 40px;
          text-align: center;
          border: none;
          font-size: 0.875rem;
        }
        .quantity-input:focus {
          outline: none;
        }
        .add-to-cart-btn {
          background-color: #000;
          color: #fff;
          padding: 12px 24px;
          font-weight: 600;
          font-size: 0.875rem;
          transition: background-color 0.3s;
        }
        .add-to-cart-btn:hover {
          background-color: #333;
        }
        .wishlist-btn, .compare-btn {
          color: #666;
          font-size: 0.875rem;
          transition: color 0.3s;
        }
        .wishlist-btn:hover, .compare-btn:hover {
          color: #000;
          text-decoration: underline;
        }
        .related-product {
          border: 1px solid #e2e8f0;
          padding: 10px;
          text-align: center;
        }
        .related-product img {
          width: 100%;
          height: 200px;
          object-fit: cover;
          margin-bottom: 10px;
          border-radius: 0;
        }
        .product-title {
          font-weight: 600;
          margin-bottom: 5px;
        }
        .product-price {
          color: #666;
          font-size: 0.875rem;
        }
        img.rounded {
          border-radius: 0;
        }


      /* ========== products Accordion Styles ========== */
        .product-card {
          transition: all 0.3s ease;
          height: 100%;
        }
        .accent {
          color: #54BAB9;
        }
        .accent-bg {
          background-color: #54BAB9;
        }
        .hover\:accent:hover {
          color: #54BAB9;
        }
        .line-clamp-3 {
          display: -webkit-box;
          -webkit-line-clamp: 3;
          -webkit-box-orient: vertical;
          overflow: hidden;
        }
        
        /* 改良：モバイル画像の表示を改善 */
        .product-image-container {
          position: relative;
          width: 100%;
          padding-bottom: 100%; /* アスペクト比を1:1に保つ */
          overflow: hidden;
        }
        
        .product-image-container img {
          position: absolute;
          top: 0;
          left: 0;
          width: 100%;
          height: 100%;
          object-fit: cover;
          object-position: center;
        }
        
        /* 改良：プルダウンのデザイン */
        .custom-select {
          appearance: none;
          background: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23333333' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E") no-repeat right 0.75rem center/1em;
          border: 1px solid #e2e8f0;
          padding: 0.625rem 2rem 0.625rem 1rem;
          transition: all 0.2s;
          width: 100%;
        }
        
        .custom-select:hover, .custom-select:focus {
          border-color: #333;
          outline: none;
        }
        
        .select-container {
          position: relative;
          margin-bottom: 1rem;
        }
        
        .select-label {
          position: absolute;
          left: 1rem;
          top: -0.5rem;
          font-size: 0.75rem;
          background: white;
          padding: 0 0.25rem;
          color: #333;
          pointer-events: none;
        }
        
        /* モバイル専用のスタイル改善 */
        @media (max-width: 768px) {
          .mobile-product-grid {
            grid-template-columns: repeat(2, 1fr);
            gap: 0.75rem;
          }
          
          .product-info-mobile {
            padding: 0.75rem;
          }
        }

/* ========== search-results Accordion Styles ========== */
        .product-card {
          transition: all 0.3s ease;
          height: 100%;
        }
        .accent {
          color: #54BAB9;
        }
        .accent-bg {
          background-color: #54BAB9;
        }
        .hover\:accent:hover {
          color: #54BAB9;
        }
        .line-clamp-3 {
          display: -webkit-box;
          -webkit-line-clamp: 3;
          -webkit-box-orient: vertical;
          overflow: hidden;
        }
        
        /* 改良：モバイル画像の表示を改善 */
        .product-image-container {
          position: relative;
          width: 100%;
          padding-bottom: 100%; /* アスペクト比を1:1に保つ */
          overflow: hidden;
        }
        
        .product-image-container img {
          position: absolute;
          top: 0;
          left: 0;
          width: 100%;
          height: 100%;
          object-fit: cover;
          object-position: center;
        }
        
        /* 改良：プルダウンのデザイン */
        .custom-select {
          appearance: none;
          background: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23333333' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E") no-repeat right 0.75rem center/1em;
          border: 1px solid #e2e8f0;
          padding: 0.625rem 2rem 0.625rem 1rem;
          transition: all 0.2s;
          width: 100%;
        }
        
        .custom-select:hover, .custom-select:focus {
          border-color: #333;
          outline: none;
        }
        
        .select-container {
          position: relative;
          margin-bottom: 1rem;
        }
        
        .select-label {
          position: absolute;
          left: 1rem;
          top: -0.5rem;
          font-size: 0.75rem;
          background: white;
          padding: 0 0.25rem;
          color: #333;
          pointer-events: none;
        }
        
        /* モバイル専用のスタイル改善 */
        @media (max-width: 768px) {
          .mobile-product-grid {
            grid-template-columns: repeat(2, 1fr);
            gap: 0.75rem;
          }
          
          .product-info-mobile {
            padding: 0.75rem;
          }
        }


      /* ========== terms-privacy Accordion Styles ========== */
        .legal-section {
          position: relative;
          transition: transform 0.2s, box-shadow 0.2s;
          counter-increment: section;
        }
        
        .legal-section:hover {
          box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
        }
        
        .legal-section:before {
          content: "";
          position: absolute;
          top: 0;
          left: 0;
          width: 3px;
          height: 100%;
          background-color: #f3f4f6;
          transition: background-color 0.2s;
        }
        
        .legal-section:hover:before {
          background-color: #111827;
        }
        
        .section-number {
          font-family: 'SF Mono', 'Menlo', 'Monaco', monospace;
          font-size: 0.875rem;
          color: #9ca3af;
          display: block;
          margin-bottom: 0.5rem;
        }
        
        /* タブスタイル */
        .tab-container {
          border-bottom: 1px solid #e5e7eb;
        }
        
        .tab-button {
          position: relative;
          transition: color 0.2s;
        }
        
        .tab-button:after {
          content: '';
          position: absolute;
          bottom: -1px;
          left: 0;
          width: 0;
          height: 3px;
          background-color: #111827;
          transition: width 0.2s;
        }
        
        .tab-button.active {
          color: #111827;
          font-weight: 600;
        }
        
        .tab-button.active:after {
          width: 100%;
        }
        
        .tab-button:hover:after {
          width: 100%;
        }
        
        /* コンテンツアニメーション */
        .fade-enter {
          opacity: 0;
        }
        
        .fade-enter-active {
          opacity: 1;
          transition: opacity 0.3s;
        }


            /* ログインボタン専用スタイル */
    .login-button {
      display: inline-block;
      padding: 8px 16px;
      font-size: 0.875rem; /* text-sm相当 */
      font-weight: 600; /* font-semibold */
      border: 1px solid #000;
      color: #000000;
      background-color: #ffffff;
      
      transition: all 0.3s ease;
    }
    .login-button:hover {
      background-color: #54BAB9;
      color: #ffffff;
      border-color: #54BAB9;
    }
    @media (max-width: 767px) {
  .login-button {
    display: none !important;
  }
}
    
    /* 検索フォーム用スタイル */
    .search-dropdown {
      position: absolute;
      top: 100%;
      left: 0;
      right: 0;
      background-color: #ffffff;
      box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
      padding: 1rem;
      z-index: 40;
      transform: translateY(-100%);
      opacity: 0;