/* ============================================================
   RUH EC Frontend Styles
   Brand: Ether Beauty (RUH) - Natural, refined, earth tones
   Naming: BEM with ruh-ec- prefix
   Approach: Mobile-first responsive
   ============================================================ */

/* ------------------------------------------------------------
   CSS Custom Properties
   ------------------------------------------------------------ */
:root {
  /* Brand Colors */
  --ruh-ec-beige: #F5F0E8;
  --ruh-ec-beige-dark: #E8DFD0;
  --ruh-ec-green: #2C4A3E;
  --ruh-ec-green-light: #3D6B5A;
  --ruh-ec-gold: #B8976D;
  --ruh-ec-gold-light: #D4B88C;
  --ruh-ec-white: #FFFFFF;
  --ruh-ec-black: #1A1A1A;
  --ruh-ec-gray-100: #FAFAF8;
  --ruh-ec-gray-200: #F0EDE6;
  --ruh-ec-gray-300: #D9D4CC;
  --ruh-ec-gray-400: #B3ADA3;
  --ruh-ec-gray-500: #8C8578;
  --ruh-ec-gray-600: #666054;
  --ruh-ec-gray-700: #4A453B;
  --ruh-ec-error: #C45B5B;
  --ruh-ec-success: #4A7A5E;
  --ruh-ec-warning: #C49B4A;
  --ruh-ec-info: #5B7A9E;

  /* Typography */
  --ruh-ec-font-serif: "Noto Serif JP", "Yu Mincho", "YuMincho", serif;
  --ruh-ec-font-sans: "Noto Sans JP", "Hiragino Sans", "Yu Gothic", sans-serif;
  --ruh-ec-font-en: "Cormorant Garamond", "Times New Roman", serif;

  /* Spacing */
  --ruh-ec-space-xs: 0.5rem;
  --ruh-ec-space-sm: 0.75rem;
  --ruh-ec-space-md: 1rem;
  --ruh-ec-space-lg: 1.5rem;
  --ruh-ec-space-xl: 2rem;
  --ruh-ec-space-2xl: 3rem;
  --ruh-ec-space-3xl: 4rem;

  /* Layout */
  --ruh-ec-max-width: 800px;
  --ruh-ec-radius: 4px;
  --ruh-ec-radius-lg: 8px;

  /* Transitions */
  --ruh-ec-transition: 0.25s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ------------------------------------------------------------
   Base Layout
   ------------------------------------------------------------ */
.ruh-ec-page {
  max-width: var(--ruh-ec-max-width);
  margin: 0 auto;
  padding: var(--ruh-ec-space-lg) var(--ruh-ec-space-md);
  padding-top: var(--ruh-ec-space-2xl);
  padding-bottom: var(--ruh-ec-space-3xl);
  font-family: var(--ruh-ec-font-sans);
  color: var(--ruh-ec-black);
  line-height: 1.8;
  letter-spacing: 0.04em;
}

@media (min-width: 640px) {
  .ruh-ec-page {
    padding: var(--ruh-ec-space-2xl) var(--ruh-ec-space-xl);
    padding-bottom: var(--ruh-ec-space-3xl);
  }
}

/* Page Titles */
.ruh-ec-page__title {
  font-family: var(--ruh-ec-font-serif);
  font-size: clamp(1.25rem, 2.5vw, 1.625rem);
  font-weight: 400;
  letter-spacing: 0.1em;
  color: var(--ruh-ec-green);
  margin-bottom: var(--ruh-ec-space-xl);
  text-align: center;
}

.ruh-ec-page__title-en {
  display: block;
  font-family: var(--ruh-ec-font-en);
  font-size: clamp(0.625rem, 1.2vw, 0.75rem);
  color: var(--ruh-ec-gold);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-top: var(--ruh-ec-space-xs);
}

/* Breadcrumb */
.ruh-ec-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5em;
  font-size: 0.75rem;
  color: var(--ruh-ec-gray-500);
  margin-bottom: var(--ruh-ec-space-lg);
  flex-wrap: wrap;
}

.ruh-ec-breadcrumb a {
  color: var(--ruh-ec-gray-500);
  text-decoration: none;
}

.ruh-ec-breadcrumb a:hover {
  color: var(--ruh-ec-green);
}

.ruh-ec-breadcrumb__separator {
  font-size: 0.6em;
}

/* ------------------------------------------------------------
   Buttons
   ------------------------------------------------------------ */
.ruh-ec-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  padding: 0.875em 2em;
  border: 1px solid var(--ruh-ec-green);
  border-radius: var(--ruh-ec-radius);
  background: transparent;
  color: var(--ruh-ec-green);
  font-family: var(--ruh-ec-font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  line-height: 1.4;
  text-decoration: none;
  cursor: pointer;
  transition: background var(--ruh-ec-transition), color var(--ruh-ec-transition), border-color var(--ruh-ec-transition);
  white-space: nowrap;
}

.ruh-ec-btn:hover {
  background: var(--ruh-ec-green);
  color: var(--ruh-ec-white);
}

.ruh-ec-btn--primary {
  background: var(--ruh-ec-green);
  color: var(--ruh-ec-white);
  border-color: var(--ruh-ec-green);
}

.ruh-ec-btn--primary:hover {
  background: var(--ruh-ec-green-light);
  border-color: var(--ruh-ec-green-light);
}

.ruh-ec-btn--gold {
  background: var(--ruh-ec-gold);
  color: var(--ruh-ec-white);
  border-color: var(--ruh-ec-gold);
}

.ruh-ec-btn--gold:hover {
  background: var(--ruh-ec-gold-light);
  border-color: var(--ruh-ec-gold-light);
}

.ruh-ec-btn--danger {
  border-color: var(--ruh-ec-error);
  color: var(--ruh-ec-error);
}

.ruh-ec-btn--danger:hover {
  background: var(--ruh-ec-error);
  color: var(--ruh-ec-white);
}

.ruh-ec-btn--block {
  display: flex;
  width: 100%;
}

.ruh-ec-btn--lg {
  padding: 1em 2.5em;
  font-size: 1rem;
}

.ruh-ec-btn--sm {
  padding: 0.5em 1.25em;
  font-size: 0.8125rem;
}

.ruh-ec-btn:disabled,
.ruh-ec-btn.is-disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.ruh-ec-btn .ruh-ec-spinner {
  display: none;
}

.ruh-ec-btn.is-loading .ruh-ec-spinner {
  display: inline-block;
}

.ruh-ec-btn.is-loading .ruh-ec-btn__text {
  opacity: 0.5;
}

/* ------------------------------------------------------------
   Forms
   ------------------------------------------------------------ */
.ruh-ec-form__group {
  margin-bottom: var(--ruh-ec-space-lg);
}

.ruh-ec-form__label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--ruh-ec-gray-700);
  margin-bottom: 0.375rem;
  letter-spacing: 0.04em;
}

.ruh-ec-form__label--required::after {
  content: "*";
  color: var(--ruh-ec-error);
  margin-left: 0.25em;
  font-size: 0.75em;
}

.ruh-ec-form__input,
.ruh-ec-form__select,
.ruh-ec-form__textarea {
  width: 100%;
  padding: 0.75em 1em;
  border: 1px solid var(--ruh-ec-gray-300);
  border-radius: var(--ruh-ec-radius);
  background: var(--ruh-ec-white);
  font-family: var(--ruh-ec-font-sans);
  font-size: 1rem;
  color: var(--ruh-ec-black);
  transition: border-color var(--ruh-ec-transition), box-shadow var(--ruh-ec-transition);
  -webkit-appearance: none;
  appearance: none;
  box-sizing: border-box;
}

.ruh-ec-form__input:focus,
.ruh-ec-form__select:focus,
.ruh-ec-form__textarea:focus {
  outline: none;
  border-color: var(--ruh-ec-green);
  box-shadow: 0 0 0 3px rgba(44, 74, 62, 0.08);
}

.ruh-ec-form__input.is-error,
.ruh-ec-form__select.is-error {
  border-color: var(--ruh-ec-error);
}

.ruh-ec-form__select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%238C8578' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1em center;
  padding-right: 2.5em;
}

.ruh-ec-form__textarea {
  min-height: 120px;
  resize: vertical;
}

.ruh-ec-form__error {
  display: none;
  font-size: 0.75rem;
  color: var(--ruh-ec-error);
  margin-top: 0.375rem;
}

.ruh-ec-form__error.is-visible {
  display: block;
}

.ruh-ec-form__hint {
  font-size: 0.75rem;
  color: var(--ruh-ec-gray-500);
  margin-top: 0.375rem;
}

.ruh-ec-form__row {
  display: flex;
  gap: var(--ruh-ec-space-md);
}

@media (max-width: 639px) {
  .ruh-ec-form__row {
    flex-direction: column;
    gap: 0;
  }
}

.ruh-ec-form__row .ruh-ec-form__group {
  flex: 1;
}

.ruh-ec-form__checkbox,
.ruh-ec-form__radio {
  display: flex;
  align-items: flex-start;
  gap: 0.625em;
  cursor: pointer;
  font-size: 0.875rem;
}

.ruh-ec-form__checkbox input,
.ruh-ec-form__radio input {
  width: 18px;
  height: 18px;
  margin-top: 0.15em;
  accent-color: var(--ruh-ec-green);
  flex-shrink: 0;
}

/* ------------------------------------------------------------
   Cards
   ------------------------------------------------------------ */
.ruh-ec-card {
  background: var(--ruh-ec-white);
  border: 1px solid var(--ruh-ec-gray-200);
  border-radius: var(--ruh-ec-radius-lg);
  padding: var(--ruh-ec-space-lg);
  margin-bottom: var(--ruh-ec-space-lg);
}

@media (min-width: 640px) {
  .ruh-ec-card {
    padding: var(--ruh-ec-space-xl);
  }
}

.ruh-ec-card__title {
  font-family: var(--ruh-ec-font-serif);
  font-size: 1rem;
  font-weight: 400;
  color: var(--ruh-ec-green);
  letter-spacing: 0.06em;
  margin-bottom: var(--ruh-ec-space-md);
  padding-bottom: var(--ruh-ec-space-sm);
  border-bottom: 1px solid var(--ruh-ec-gray-200);
}

/* ------------------------------------------------------------
   Tables
   ------------------------------------------------------------ */
.ruh-ec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.ruh-ec-table th,
.ruh-ec-table td {
  padding: 0.75em 1em;
  text-align: left;
  border-bottom: 1px solid var(--ruh-ec-gray-200);
}

.ruh-ec-table th {
  font-weight: 500;
  color: var(--ruh-ec-gray-600);
  font-size: 0.8125rem;
  background: var(--ruh-ec-gray-100);
}

.ruh-ec-table td {
  color: var(--ruh-ec-black);
}

.ruh-ec-table--responsive {
  display: block;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

/* Stacked table on mobile */
@media (max-width: 639px) {
  .ruh-ec-table--stack thead {
    display: none;
  }

  .ruh-ec-table--stack tr {
    display: block;
    border: 1px solid var(--ruh-ec-gray-200);
    border-radius: var(--ruh-ec-radius);
    margin-bottom: var(--ruh-ec-space-sm);
    padding: var(--ruh-ec-space-sm);
  }

  .ruh-ec-table--stack td {
    display: flex;
    justify-content: space-between;
    padding: 0.5em 0;
    border-bottom: none;
  }

  .ruh-ec-table--stack td::before {
    content: attr(data-label);
    font-weight: 500;
    color: var(--ruh-ec-gray-600);
    margin-right: 1em;
  }
}

/* ------------------------------------------------------------
   Status Badges
   ------------------------------------------------------------ */
.ruh-ec-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2em 0.75em;
  border-radius: 2em;
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.ruh-ec-badge--pending {
  background: #FFF8E6;
  color: #9E7C1A;
}

.ruh-ec-badge--paid {
  background: #E6F4EC;
  color: #2C6E4F;
}

.ruh-ec-badge--processing {
  background: #E6EFF8;
  color: #2C5A8C;
}

.ruh-ec-badge--shipped {
  background: #EDE6F4;
  color: #5E3D8C;
}

.ruh-ec-badge--completed {
  background: #E6F4EC;
  color: #2C6E4F;
}

.ruh-ec-badge--cancelled {
  background: #F4E6E6;
  color: #8C2C2C;
}

.ruh-ec-badge--refunded {
  background: var(--ruh-ec-gray-200);
  color: var(--ruh-ec-gray-600);
}

.ruh-ec-badge--failed {
  background: #F4E6E6;
  color: #8C2C2C;
}

/* ------------------------------------------------------------
   Cart Page
   ------------------------------------------------------------ */
.ruh-ec-cart__empty {
  text-align: center;
  padding: var(--ruh-ec-space-3xl) var(--ruh-ec-space-md);
  color: var(--ruh-ec-gray-500);
}

.ruh-ec-cart__empty-icon {
  font-size: 3rem;
  margin-bottom: var(--ruh-ec-space-md);
  opacity: 0.3;
}

.ruh-ec-cart__empty p {
  margin-bottom: var(--ruh-ec-space-lg);
}

/* Product Line Group */
.ruh-ec-cart__group {
  margin-bottom: var(--ruh-ec-space-xl);
}

.ruh-ec-cart__group-title {
  font-family: var(--ruh-ec-font-serif);
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--ruh-ec-green);
  letter-spacing: 0.06em;
  padding: 0.625em 0;
  border-bottom: 1px solid var(--ruh-ec-green);
  margin-bottom: var(--ruh-ec-space-md);
}

/* Cart Item */
.ruh-ec-cart__item {
  display: flex;
  gap: var(--ruh-ec-space-md);
  padding: var(--ruh-ec-space-md) 0;
  border-bottom: 1px solid var(--ruh-ec-gray-200);
  align-items: flex-start;
}

.ruh-ec-cart__item-image {
  width: 80px;
  height: 80px;
  flex-shrink: 0;
  border-radius: var(--ruh-ec-radius);
  overflow: hidden;
  background: var(--ruh-ec-gray-100);
}

.ruh-ec-cart__item-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.ruh-ec-cart__item-info {
  flex: 1;
  min-width: 0;
}

.ruh-ec-cart__item-name {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--ruh-ec-black);
  text-decoration: none;
  display: block;
  margin-bottom: 0.25em;
  line-height: 1.4;
}

.ruh-ec-cart__item-price {
  font-size: 0.8125rem;
  color: var(--ruh-ec-gray-600);
}

.ruh-ec-cart__item-actions {
  display: flex;
  align-items: center;
  gap: var(--ruh-ec-space-md);
  margin-top: var(--ruh-ec-space-sm);
}

/* Quantity Control */
.ruh-ec-qty {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--ruh-ec-gray-300);
  border-radius: var(--ruh-ec-radius);
  overflow: hidden;
}

.ruh-ec-qty__btn {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--ruh-ec-gray-100);
  border: none;
  cursor: pointer;
  font-size: 1rem;
  color: var(--ruh-ec-gray-600);
  transition: background var(--ruh-ec-transition);
  padding: 0;
  line-height: 1;
}

.ruh-ec-qty__btn:hover {
  background: var(--ruh-ec-gray-200);
}

.ruh-ec-qty__value {
  width: 40px;
  text-align: center;
  font-size: 0.875rem;
  border: none;
  background: var(--ruh-ec-white);
  color: var(--ruh-ec-black);
  -moz-appearance: textfield;
  padding: 0;
  height: 32px;
}

.ruh-ec-qty__value::-webkit-inner-spin-button,
.ruh-ec-qty__value::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.ruh-ec-cart__item-remove {
  background: none;
  border: none;
  color: var(--ruh-ec-gray-400);
  cursor: pointer;
  font-size: 0.75rem;
  padding: 0.25em;
  transition: color var(--ruh-ec-transition);
}

.ruh-ec-cart__item-remove:hover {
  color: var(--ruh-ec-error);
}

.ruh-ec-cart__item-subtotal {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--ruh-ec-black);
  white-space: nowrap;
  text-align: right;
  min-width: 80px;
}

@media (max-width: 639px) {
  .ruh-ec-cart__item {
    flex-wrap: wrap;
  }
  .ruh-ec-cart__item-subtotal {
    width: 100%;
    text-align: right;
    margin-top: var(--ruh-ec-space-xs);
  }
}

/* Cart Summary */
.ruh-ec-cart__summary {
  margin-top: var(--ruh-ec-space-xl);
  padding-top: var(--ruh-ec-space-lg);
  border-top: 2px solid var(--ruh-ec-green);
}

.ruh-ec-cart__summary-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5em 0;
  font-size: 0.875rem;
}

.ruh-ec-cart__summary-row--total {
  font-size: 1.125rem;
  font-weight: 500;
  padding-top: 0.75em;
  margin-top: 0.5em;
  border-top: 1px solid var(--ruh-ec-gray-200);
}

.ruh-ec-cart__summary-note {
  font-size: 0.75rem;
  color: var(--ruh-ec-gray-500);
  margin-top: var(--ruh-ec-space-sm);
}

.ruh-ec-cart__actions {
  margin-top: var(--ruh-ec-space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--ruh-ec-space-sm);
}

/* ------------------------------------------------------------
   Checkout Page
   ------------------------------------------------------------ */
.ruh-ec-checkout__section {
  margin-bottom: var(--ruh-ec-space-2xl);
}

.ruh-ec-checkout__section-title {
  font-family: var(--ruh-ec-font-serif);
  font-size: 1rem;
  font-weight: 400;
  color: var(--ruh-ec-green);
  letter-spacing: 0.06em;
  margin-bottom: var(--ruh-ec-space-lg);
  padding-bottom: var(--ruh-ec-space-sm);
  border-bottom: 1px solid var(--ruh-ec-green);
}

.ruh-ec-checkout__login-prompt {
  background: var(--ruh-ec-beige);
  padding: var(--ruh-ec-space-md) var(--ruh-ec-space-lg);
  border-radius: var(--ruh-ec-radius);
  margin-bottom: var(--ruh-ec-space-lg);
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--ruh-ec-space-sm);
}

.ruh-ec-checkout__login-prompt a {
  color: var(--ruh-ec-green);
  font-weight: 500;
  text-decoration: none;
  border-bottom: 1px solid var(--ruh-ec-green);
}

/* Address Selector */
.ruh-ec-address-selector {
  margin-bottom: var(--ruh-ec-space-lg);
}

.ruh-ec-address-selector__item {
  display: flex;
  align-items: flex-start;
  gap: 0.75em;
  padding: var(--ruh-ec-space-md);
  border: 1px solid var(--ruh-ec-gray-300);
  border-radius: var(--ruh-ec-radius);
  margin-bottom: var(--ruh-ec-space-sm);
  cursor: pointer;
  transition: border-color var(--ruh-ec-transition), background var(--ruh-ec-transition);
}

.ruh-ec-address-selector__item:hover {
  border-color: var(--ruh-ec-green);
}

.ruh-ec-address-selector__item.is-selected {
  border-color: var(--ruh-ec-green);
  background: rgba(44, 74, 62, 0.03);
}

/* Shipping Breakdown */
.ruh-ec-shipping-breakdown {
  margin-top: var(--ruh-ec-space-lg);
}

.ruh-ec-shipping-breakdown__item {
  display: flex;
  justify-content: space-between;
  padding: 0.625em 0;
  font-size: 0.8125rem;
  color: var(--ruh-ec-gray-600);
  border-bottom: 1px dotted var(--ruh-ec-gray-300);
}

.ruh-ec-shipping-breakdown__free {
  color: var(--ruh-ec-success);
  font-weight: 500;
}

/* Order Summary (checkout) */
.ruh-ec-order-summary {
  background: var(--ruh-ec-gray-100);
  border-radius: var(--ruh-ec-radius-lg);
  padding: var(--ruh-ec-space-lg);
}

.ruh-ec-order-summary__title {
  font-family: var(--ruh-ec-font-serif);
  font-size: 0.9375rem;
  color: var(--ruh-ec-green);
  margin-bottom: var(--ruh-ec-space-md);
}

.ruh-ec-order-summary__item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5em 0;
  font-size: 0.8125rem;
}

.ruh-ec-order-summary__item-name {
  flex: 1;
  min-width: 0;
  padding-right: 1em;
}

.ruh-ec-order-summary__divider {
  height: 1px;
  background: var(--ruh-ec-gray-300);
  margin: var(--ruh-ec-space-sm) 0;
}

.ruh-ec-order-summary__total {
  display: flex;
  justify-content: space-between;
  font-size: 1.125rem;
  font-weight: 500;
  padding-top: var(--ruh-ec-space-sm);
}

/* ------------------------------------------------------------
   Payment Page
   ------------------------------------------------------------ */
.ruh-ec-payment__methods {
  margin-bottom: var(--ruh-ec-space-xl);
}

.ruh-ec-payment__method {
  display: flex;
  align-items: flex-start;
  gap: 0.75em;
  padding: var(--ruh-ec-space-lg);
  border: 1px solid var(--ruh-ec-gray-300);
  border-radius: var(--ruh-ec-radius);
  margin-bottom: var(--ruh-ec-space-sm);
  cursor: pointer;
  transition: border-color var(--ruh-ec-transition), background var(--ruh-ec-transition);
}

.ruh-ec-payment__method:hover {
  border-color: var(--ruh-ec-gold);
}

.ruh-ec-payment__method.is-selected {
  border-color: var(--ruh-ec-green);
  background: rgba(44, 74, 62, 0.03);
}

.ruh-ec-payment__method-label {
  font-weight: 500;
  font-size: 0.9375rem;
}

.ruh-ec-payment__method-desc {
  font-size: 0.8125rem;
  color: var(--ruh-ec-gray-500);
  margin-top: 0.25em;
}

/* Stripe Card Element */
.ruh-ec-stripe-card {
  margin-top: var(--ruh-ec-space-lg);
}

.ruh-ec-stripe-card__element {
  padding: 0.875em 1em;
  border: 1px solid var(--ruh-ec-gray-300);
  border-radius: var(--ruh-ec-radius);
  background: var(--ruh-ec-white);
  transition: border-color var(--ruh-ec-transition);
}

.ruh-ec-stripe-card__element.StripeElement--focus {
  border-color: var(--ruh-ec-green);
  box-shadow: 0 0 0 3px rgba(44, 74, 62, 0.08);
}

.ruh-ec-stripe-card__element.StripeElement--invalid {
  border-color: var(--ruh-ec-error);
}

.ruh-ec-stripe-card__errors {
  font-size: 0.8125rem;
  color: var(--ruh-ec-error);
  margin-top: var(--ruh-ec-space-sm);
  min-height: 1.25em;
}

/* ------------------------------------------------------------
   Checkout Confirm Page
   ------------------------------------------------------------ */
.ruh-ec-confirm__dl {
  display: grid;
  grid-template-columns: 7em 1fr;
  gap: 0;
  margin: 0;
  font-size: 0.875rem;
}

.ruh-ec-confirm__dl dt {
  font-weight: 500;
  color: var(--ruh-ec-gray-600);
  font-size: 0.8125rem;
  padding: 0.75em 1em 0.75em 0;
  border-bottom: 1px solid var(--ruh-ec-gray-200);
  letter-spacing: 0.02em;
}

.ruh-ec-confirm__dl dd {
  margin: 0;
  padding: 0.75em 0;
  border-bottom: 1px solid var(--ruh-ec-gray-200);
  color: var(--ruh-ec-black);
  line-height: 1.7;
}

.ruh-ec-confirm__dl dt:last-of-type,
.ruh-ec-confirm__dl dd:last-of-type {
  border-bottom: none;
}

@media (max-width: 639px) {
  .ruh-ec-confirm__dl {
    grid-template-columns: 1fr;
  }

  .ruh-ec-confirm__dl dt {
    padding: 0.75em 0 0.25em;
    border-bottom: none;
  }

  .ruh-ec-confirm__dl dd {
    padding: 0 0 0.75em;
  }
}

.ruh-ec-confirm__payment-method {
  font-size: 0.9375rem;
  font-weight: 500;
  margin: 0;
  padding: var(--ruh-ec-space-sm) 0;
}

/* ------------------------------------------------------------
   Order Complete / Bank Transfer
   ------------------------------------------------------------ */
.ruh-ec-complete {
  text-align: center;
  padding: var(--ruh-ec-space-xl) 0;
}

.ruh-ec-complete__icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--ruh-ec-space-lg);
  border-radius: 50%;
  background: var(--ruh-ec-beige);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ruh-ec-green);
  font-size: 1.5rem;
}

.ruh-ec-complete__title {
  font-family: var(--ruh-ec-font-serif);
  font-size: clamp(1.125rem, 2vw, 1.375rem);
  color: var(--ruh-ec-green);
  margin-bottom: var(--ruh-ec-space-md);
}

.ruh-ec-complete__message {
  font-size: 0.875rem;
  color: var(--ruh-ec-gray-600);
  margin-bottom: var(--ruh-ec-space-xl);
  line-height: 1.8;
}

.ruh-ec-complete__order-number {
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--ruh-ec-black);
  margin-bottom: var(--ruh-ec-space-xs);
}

.ruh-ec-complete__actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--ruh-ec-space-md);
  margin-top: var(--ruh-ec-space-xl);
}

/* Bank Transfer Info */
.ruh-ec-bank-info {
  background: var(--ruh-ec-beige);
  border-radius: var(--ruh-ec-radius-lg);
  padding: var(--ruh-ec-space-xl);
  margin: var(--ruh-ec-space-xl) 0;
  text-align: left;
}

.ruh-ec-bank-info__title {
  font-family: var(--ruh-ec-font-serif);
  font-size: 1rem;
  color: var(--ruh-ec-green);
  margin-bottom: var(--ruh-ec-space-lg);
  text-align: center;
}

.ruh-ec-bank-info dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.5em 1.5em;
  font-size: 0.875rem;
}

.ruh-ec-bank-info dt {
  font-weight: 500;
  color: var(--ruh-ec-gray-600);
}

.ruh-ec-bank-info dd {
  margin: 0;
  color: var(--ruh-ec-black);
}

.ruh-ec-bank-info__notes {
  margin-top: var(--ruh-ec-space-lg);
  padding-top: var(--ruh-ec-space-md);
  border-top: 1px solid var(--ruh-ec-beige-dark);
  font-size: 0.8125rem;
  color: var(--ruh-ec-gray-600);
  line-height: 1.8;
}

/* ------------------------------------------------------------
   Mypage
   ------------------------------------------------------------ */
.ruh-ec-mypage__welcome {
  font-family: var(--ruh-ec-font-serif);
  font-size: 1rem;
  color: var(--ruh-ec-gray-600);
  text-align: center;
  margin-bottom: var(--ruh-ec-space-xl);
}

.ruh-ec-mypage__menu {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--ruh-ec-space-md);
  margin-bottom: var(--ruh-ec-space-2xl);
}

@media (min-width: 640px) {
  .ruh-ec-mypage__menu {
    grid-template-columns: repeat(4, 1fr);
  }
}

.ruh-ec-mypage__menu-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5em;
  padding: var(--ruh-ec-space-lg) var(--ruh-ec-space-md);
  border: 1px solid var(--ruh-ec-gray-200);
  border-radius: var(--ruh-ec-radius-lg);
  text-decoration: none;
  color: var(--ruh-ec-black);
  transition: border-color var(--ruh-ec-transition), background var(--ruh-ec-transition);
}

.ruh-ec-mypage__menu-item:hover {
  border-color: var(--ruh-ec-green);
  background: rgba(44, 74, 62, 0.02);
}

.ruh-ec-mypage__menu-icon {
  font-size: 1.5rem;
  color: var(--ruh-ec-gold);
}

.ruh-ec-mypage__menu-label {
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.04em;
}

/* Recent Orders */
.ruh-ec-mypage__recent-title {
  font-family: var(--ruh-ec-font-serif);
  font-size: 1rem;
  color: var(--ruh-ec-green);
  margin-bottom: var(--ruh-ec-space-md);
}

/* Order Detail */
.ruh-ec-order-detail__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--ruh-ec-space-sm);
  margin-bottom: var(--ruh-ec-space-xl);
}

.ruh-ec-order-detail__number {
  font-family: var(--ruh-ec-font-en);
  font-size: 0.875rem;
  color: var(--ruh-ec-gray-500);
  letter-spacing: 0.05em;
}

.ruh-ec-order-detail__info {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--ruh-ec-space-lg);
}

@media (min-width: 640px) {
  .ruh-ec-order-detail__info {
    grid-template-columns: 1fr 1fr;
  }
}

.ruh-ec-order-detail__info dl {
  margin: 0;
  font-size: 0.875rem;
}

.ruh-ec-order-detail__info dt {
  font-weight: 500;
  color: var(--ruh-ec-gray-600);
  margin-bottom: 0.125em;
  font-size: 0.8125rem;
}

.ruh-ec-order-detail__info dd {
  margin: 0 0 0.75em;
  color: var(--ruh-ec-black);
}

/* Addresses page */
.ruh-ec-addresses__list {
  display: grid;
  gap: var(--ruh-ec-space-md);
  margin-bottom: var(--ruh-ec-space-xl);
}

.ruh-ec-addresses__item {
  padding: var(--ruh-ec-space-lg);
  border: 1px solid var(--ruh-ec-gray-200);
  border-radius: var(--ruh-ec-radius-lg);
  position: relative;
}

.ruh-ec-addresses__item.is-default {
  border-color: var(--ruh-ec-green);
}

.ruh-ec-addresses__default-badge {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 500;
  color: var(--ruh-ec-green);
  background: rgba(44, 74, 62, 0.08);
  padding: 0.15em 0.6em;
  border-radius: 2em;
  margin-bottom: var(--ruh-ec-space-sm);
}

.ruh-ec-addresses__label {
  font-weight: 500;
  font-size: 0.9375rem;
  margin-bottom: 0.25em;
}

.ruh-ec-addresses__text {
  font-size: 0.8125rem;
  color: var(--ruh-ec-gray-600);
  line-height: 1.7;
}

.ruh-ec-addresses__actions {
  display: flex;
  gap: var(--ruh-ec-space-sm);
  margin-top: var(--ruh-ec-space-md);
}

/* ------------------------------------------------------------
   Login / Register
   ------------------------------------------------------------ */
.ruh-ec-auth {
  max-width: 440px;
  margin: 0 auto;
}

.ruh-ec-auth__toggle {
  text-align: center;
  margin-top: var(--ruh-ec-space-xl);
  font-size: 0.875rem;
  color: var(--ruh-ec-gray-500);
}

.ruh-ec-auth__toggle a {
  color: var(--ruh-ec-green);
  font-weight: 500;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--ruh-ec-transition);
}

.ruh-ec-auth__toggle a:hover {
  border-bottom-color: var(--ruh-ec-green);
}

/* ------------------------------------------------------------
   Spinner
   ------------------------------------------------------------ */
.ruh-ec-spinner {
  width: 16px;
  height: 16px;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: ruh-ec-spin 0.6s linear infinite;
}

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

/* ------------------------------------------------------------
   Alerts
   ------------------------------------------------------------ */
.ruh-ec-alert {
  padding: var(--ruh-ec-space-md) var(--ruh-ec-space-lg);
  border-radius: var(--ruh-ec-radius);
  font-size: 0.875rem;
  margin-bottom: var(--ruh-ec-space-lg);
  line-height: 1.6;
}

.ruh-ec-alert--success {
  background: #E6F4EC;
  color: #2C6E4F;
  border: 1px solid #C5E6D3;
}

.ruh-ec-alert--error {
  background: #F9EDED;
  color: #8C2C2C;
  border: 1px solid #E8C5C5;
}

.ruh-ec-alert--info {
  background: var(--ruh-ec-beige);
  color: var(--ruh-ec-gray-700);
  border: 1px solid var(--ruh-ec-beige-dark);
}

.ruh-ec-alert--warning {
  background: #FFF8E6;
  color: #7A6118;
  border: 1px solid #EBDBB0;
}

/* ------------------------------------------------------------
   Pagination
   ------------------------------------------------------------ */
.ruh-ec-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.25em;
  margin-top: var(--ruh-ec-space-xl);
}

.ruh-ec-pagination__item {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 0.5em;
  border-radius: var(--ruh-ec-radius);
  font-size: 0.8125rem;
  color: var(--ruh-ec-gray-600);
  text-decoration: none;
  transition: background var(--ruh-ec-transition), color var(--ruh-ec-transition);
}

.ruh-ec-pagination__item:hover {
  background: var(--ruh-ec-gray-100);
  color: var(--ruh-ec-green);
}

.ruh-ec-pagination__item.is-current {
  background: var(--ruh-ec-green);
  color: var(--ruh-ec-white);
}

/* ------------------------------------------------------------
   Divider
   ------------------------------------------------------------ */
.ruh-ec-divider {
  height: 1px;
  background: var(--ruh-ec-gray-200);
  margin: var(--ruh-ec-space-xl) 0;
  border: none;
}

/* ------------------------------------------------------------
   Price Formatting
   ------------------------------------------------------------ */
.ruh-ec-price {
  font-feature-settings: "tnum";
}

.ruh-ec-price__currency {
  font-size: 0.8em;
  margin-right: 0.1em;
}

/* ------------------------------------------------------------
   Loading Overlay
   ------------------------------------------------------------ */
.ruh-ec-loading {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.7);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}

.ruh-ec-loading.is-active {
  display: flex;
}

.ruh-ec-loading__spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--ruh-ec-gray-300);
  border-top-color: var(--ruh-ec-green);
  border-radius: 50%;
  animation: ruh-ec-spin 0.8s linear infinite;
}

/* ------------------------------------------------------------
   Link Styles
   ------------------------------------------------------------ */
.ruh-ec-link {
  color: var(--ruh-ec-green);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--ruh-ec-transition);
}

.ruh-ec-link:hover {
  border-bottom-color: var(--ruh-ec-green);
}

/* Back link */
.ruh-ec-back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-size: 0.8125rem;
  color: var(--ruh-ec-gray-500);
  text-decoration: none;
  margin-bottom: var(--ruh-ec-space-lg);
  transition: color var(--ruh-ec-transition);
}

.ruh-ec-back-link:hover {
  color: var(--ruh-ec-green);
}

/* ------------------------------------------------------------
   Utility
   ------------------------------------------------------------ */
.ruh-ec-text-center { text-align: center; }
.ruh-ec-text-right { text-align: right; }
.ruh-ec-text-muted { color: var(--ruh-ec-gray-500); }
.ruh-ec-text-sm { font-size: 0.8125rem; }
.ruh-ec-mt-0 { margin-top: 0; }
.ruh-ec-mb-0 { margin-bottom: 0; }
.ruh-ec-hidden { display: none !important; }

/* ============================================================
   Product Archive - 商品一覧ページ
   ============================================================ */
.ruh-ec-product-archive {
  font-family: var(--ruh-ec-font-sans);
  color: var(--ruh-ec-black);
  line-height: 1.8;
  letter-spacing: 0.04em;
}

.ruh-ec-product-archive__inner {
  padding-top: var(--ruh-ec-space-2xl);
  padding-bottom: var(--ruh-ec-space-3xl);
}

/* Archive Header */
.ruh-ec-product-archive__header {
  text-align: center;
  margin-bottom: var(--ruh-ec-space-2xl);
}

.ruh-ec-product-archive__subtitle {
  font-family: var(--ruh-ec-font-en);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ruh-ec-gold);
  margin-bottom: 0.25rem;
}

.ruh-ec-product-archive__title {
  font-family: var(--ruh-ec-font-serif);
  font-size: 1.5rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  margin: 0;
}

@media (min-width: 640px) {
  .ruh-ec-product-archive__title {
    font-size: 1.75rem;
  }
}

/* Category Nav */
.ruh-ec-product-archive__categories {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--ruh-ec-space-xs) var(--ruh-ec-space-sm);
  margin-bottom: var(--ruh-ec-space-2xl);
  padding-bottom: var(--ruh-ec-space-lg);
  border-bottom: 1px solid var(--ruh-ec-gray-200);
}

.ruh-ec-product-archive__cat-link {
  display: inline-block;
  padding: 0.4em 1em;
  font-size: 0.8125rem;
  color: var(--ruh-ec-gray-600);
  text-decoration: none;
  border: 1px solid var(--ruh-ec-gray-300);
  border-radius: 2rem;
  transition: all var(--ruh-ec-transition);
  letter-spacing: 0.04em;
}

.ruh-ec-product-archive__cat-link:hover {
  color: var(--ruh-ec-green);
  border-color: var(--ruh-ec-green);
}

.ruh-ec-product-archive__cat-link.is-active {
  color: var(--ruh-ec-white);
  background: var(--ruh-ec-green);
  border-color: var(--ruh-ec-green);
}

/* Product Grid */
.ruh-ec-product-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--ruh-ec-space-lg);
}

@media (min-width: 640px) {
  .ruh-ec-product-grid {
    gap: var(--ruh-ec-space-xl);
  }
}

@media (min-width: 960px) {
  .ruh-ec-product-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1200px) {
  .ruh-ec-product-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.ruh-ec-product-grid--3 {
  grid-template-columns: repeat(2, 1fr);
}

@media (min-width: 640px) {
  .ruh-ec-product-grid--3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Product Card */
.ruh-ec-product-card {
  display: block;
  text-decoration: none;
  color: inherit;
  transition: transform var(--ruh-ec-transition);
}

.ruh-ec-product-card:hover {
  transform: translateY(-3px);
}

.ruh-ec-product-card__image {
  position: relative;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: var(--ruh-ec-gray-100);
  margin-bottom: var(--ruh-ec-space-sm);
}

.ruh-ec-product-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.ruh-ec-product-card:hover .ruh-ec-product-card__image img {
  transform: scale(1.04);
}

.ruh-ec-product-card__no-image {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  font-size: 0.75rem;
  color: var(--ruh-ec-gray-400);
  letter-spacing: 0.08em;
}

.ruh-ec-product-card__badge {
  position: absolute;
  top: var(--ruh-ec-space-xs);
  left: var(--ruh-ec-space-xs);
  padding: 0.2em 0.7em;
  font-family: var(--ruh-ec-font-en);
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ruh-ec-white);
  background: var(--ruh-ec-error);
  z-index: 1;
}

.ruh-ec-product-card__badge--out {
  background: var(--ruh-ec-gray-600);
}

.ruh-ec-product-card__body {
  padding: 0 0.125rem;
}

.ruh-ec-product-card__category {
  font-size: 0.6875rem;
  color: var(--ruh-ec-gold);
  letter-spacing: 0.06em;
  margin-bottom: 0.2em;
}

.ruh-ec-product-card__title {
  font-family: var(--ruh-ec-font-serif);
  font-size: 0.875rem;
  font-weight: 400;
  line-height: 1.6;
  margin: 0 0 0.35em;
  letter-spacing: 0.04em;
}

.ruh-ec-product-card__price {
  font-size: 0.8125rem;
  color: var(--ruh-ec-gray-700);
  letter-spacing: 0.02em;
}

.ruh-ec-product-card__price-original {
  text-decoration: line-through;
  color: var(--ruh-ec-gray-400);
  margin-right: 0.4em;
  font-size: 0.75rem;
}

.ruh-ec-product-card__tax {
  font-size: 0.625rem;
  color: var(--ruh-ec-gray-500);
  margin-left: 0.15em;
}

/* Archive Pagination */
.ruh-ec-product-archive__pagination {
  margin-top: var(--ruh-ec-space-2xl);
  display: flex;
  justify-content: center;
}

.ruh-ec-product-archive__pagination .nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.ruh-ec-product-archive__pagination .page-numbers {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.25rem;
  height: 2.25rem;
  font-size: 0.8125rem;
  color: var(--ruh-ec-gray-600);
  text-decoration: none;
  border: 1px solid var(--ruh-ec-gray-300);
  border-radius: var(--ruh-ec-radius);
  transition: all var(--ruh-ec-transition);
}

.ruh-ec-product-archive__pagination .page-numbers:hover {
  color: var(--ruh-ec-green);
  border-color: var(--ruh-ec-green);
}

.ruh-ec-product-archive__pagination .page-numbers.current {
  color: var(--ruh-ec-white);
  background: var(--ruh-ec-green);
  border-color: var(--ruh-ec-green);
}

/* Archive Empty */
.ruh-ec-product-archive__empty {
  text-align: center;
  padding: var(--ruh-ec-space-3xl) var(--ruh-ec-space-md);
  color: var(--ruh-ec-gray-500);
}

.ruh-ec-product-archive__empty p {
  margin-bottom: var(--ruh-ec-space-lg);
}

/* ============================================================
   Product Single - 商品詳細ページ
   ============================================================ */
.ruh-ec-product-single {
  font-family: var(--ruh-ec-font-sans);
  color: var(--ruh-ec-black);
  line-height: 1.8;
  letter-spacing: 0.04em;
}

.ruh-ec-product-single__inner {
  padding-top: var(--ruh-ec-space-lg);
  padding-bottom: var(--ruh-ec-space-3xl);
}

/* Breadcrumb */
.ruh-ec-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4em;
  font-size: 0.75rem;
  color: var(--ruh-ec-gray-500);
  margin-bottom: var(--ruh-ec-space-xl);
}

.ruh-ec-breadcrumb a {
  color: var(--ruh-ec-gray-500);
  text-decoration: none;
  transition: color var(--ruh-ec-transition);
}

.ruh-ec-breadcrumb a:hover {
  color: var(--ruh-ec-green);
}

.ruh-ec-breadcrumb__separator {
  color: var(--ruh-ec-gray-300);
  font-size: 0.625rem;
}

/* Product Detail - 2 Column Layout */
.ruh-ec-product-detail {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--ruh-ec-space-xl);
  margin-bottom: var(--ruh-ec-space-3xl);
}

@media (min-width: 768px) {
  .ruh-ec-product-detail {
    grid-template-columns: 1fr 1fr;
    gap: var(--ruh-ec-space-2xl);
  }
}

@media (min-width: 1080px) {
  .ruh-ec-product-detail {
    grid-template-columns: 55% 1fr;
    gap: var(--ruh-ec-space-3xl);
  }
}

/* Product Gallery */
.ruh-ec-product-gallery__main {
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: var(--ruh-ec-gray-100);
  margin-bottom: var(--ruh-ec-space-sm);
}

.ruh-ec-product-gallery__main-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity 0.3s ease;
}

.ruh-ec-product-gallery__no-image {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ruh-ec-gray-400);
  font-size: 0.875rem;
  letter-spacing: 0.08em;
}

.ruh-ec-product-gallery__thumbs {
  display: flex;
  gap: var(--ruh-ec-space-xs);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--ruh-ec-gray-300) transparent;
  padding-bottom: 0.25rem;
}

.ruh-ec-product-gallery__thumb {
  flex: 0 0 auto;
  width: 4rem;
  height: 4rem;
  padding: 0;
  border: 2px solid transparent;
  background: var(--ruh-ec-gray-100);
  cursor: pointer;
  overflow: hidden;
  transition: border-color var(--ruh-ec-transition);
}

.ruh-ec-product-gallery__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.ruh-ec-product-gallery__thumb:hover {
  border-color: var(--ruh-ec-gray-400);
}

.ruh-ec-product-gallery__thumb.is-active {
  border-color: var(--ruh-ec-green);
}

@media (min-width: 640px) {
  .ruh-ec-product-gallery__thumb {
    width: 5rem;
    height: 5rem;
  }
}

/* Product Info */
.ruh-ec-product-detail__category {
  font-size: 0.75rem;
  color: var(--ruh-ec-gold);
  letter-spacing: 0.08em;
  margin-bottom: 0.25rem;
}

.ruh-ec-product-detail__line {
  font-size: 0.75rem;
  color: var(--ruh-ec-gray-500);
  letter-spacing: 0.04em;
  margin-bottom: 0.5rem;
}

.ruh-ec-product-detail__title {
  font-family: var(--ruh-ec-font-serif);
  font-size: 1.375rem;
  font-weight: 400;
  line-height: 1.5;
  letter-spacing: 0.06em;
  margin: 0 0 var(--ruh-ec-space-sm);
}

@media (min-width: 768px) {
  .ruh-ec-product-detail__title {
    font-size: 1.625rem;
  }
}

.ruh-ec-product-detail__excerpt {
  font-size: 0.8125rem;
  color: var(--ruh-ec-gray-600);
  line-height: 1.9;
  margin: 0 0 var(--ruh-ec-space-lg);
}

/* Price Area */
.ruh-ec-product-detail__price-area {
  padding: var(--ruh-ec-space-md) 0;
  border-top: 1px solid var(--ruh-ec-gray-200);
  border-bottom: 1px solid var(--ruh-ec-gray-200);
  margin-bottom: var(--ruh-ec-space-md);
}

.ruh-ec-product-detail__sale-badge {
  display: inline-block;
  font-family: var(--ruh-ec-font-en);
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ruh-ec-white);
  background: var(--ruh-ec-error);
  padding: 0.2em 0.7em;
  margin-bottom: 0.5rem;
}

.ruh-ec-product-detail__price-row {
  display: flex;
  align-items: baseline;
  gap: 0.5em;
  flex-wrap: wrap;
}

.ruh-ec-product-detail__price-original {
  font-size: 0.875rem;
  color: var(--ruh-ec-gray-400);
  text-decoration: line-through;
}

.ruh-ec-product-detail__price-current {
  font-family: var(--ruh-ec-font-en);
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--ruh-ec-black);
}

.ruh-ec-product-detail__price--sale {
  color: var(--ruh-ec-error);
}

.ruh-ec-product-detail__tax {
  font-size: 0.6875rem;
  color: var(--ruh-ec-gray-500);
}

/* Stock Badge */
.ruh-ec-product-detail__stock {
  margin-bottom: var(--ruh-ec-space-lg);
}

.ruh-ec-product-detail__stock-badge {
  display: inline-block;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  padding: 0.25em 0.75em;
  border-radius: 2rem;
}

.ruh-ec-product-detail__stock-badge--in {
  color: var(--ruh-ec-success);
  background: rgba(74, 122, 94, 0.08);
  border: 1px solid rgba(74, 122, 94, 0.2);
}

.ruh-ec-product-detail__stock-badge--out {
  color: var(--ruh-ec-error);
  background: rgba(196, 91, 91, 0.08);
  border: 1px solid rgba(196, 91, 91, 0.2);
}

/* Cart Form */
.ruh-ec-product-detail__cart-form {
  margin-bottom: var(--ruh-ec-space-xl);
}

.ruh-ec-product-detail__qty-row {
  display: flex;
  align-items: center;
  gap: var(--ruh-ec-space-md);
  margin-bottom: var(--ruh-ec-space-md);
}

.ruh-ec-product-detail__qty-label {
  font-size: 0.8125rem;
  color: var(--ruh-ec-gray-600);
  letter-spacing: 0.04em;
  white-space: nowrap;
}

/* Quantity Selector */
.ruh-ec-qty {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--ruh-ec-gray-300);
  border-radius: var(--ruh-ec-radius);
  overflow: hidden;
}

.ruh-ec-qty__btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border: none;
  background: transparent;
  color: var(--ruh-ec-gray-600);
  font-size: 1rem;
  cursor: pointer;
  transition: background var(--ruh-ec-transition);
  line-height: 1;
  padding: 0;
}

.ruh-ec-qty__btn:hover {
  background: var(--ruh-ec-gray-100);
}

.ruh-ec-qty__value {
  width: 3rem;
  height: 2.5rem;
  border: none;
  border-left: 1px solid var(--ruh-ec-gray-300);
  border-right: 1px solid var(--ruh-ec-gray-300);
  text-align: center;
  font-size: 0.875rem;
  font-family: var(--ruh-ec-font-sans);
  color: var(--ruh-ec-black);
  background: transparent;
  -moz-appearance: textfield;
}

.ruh-ec-qty__value::-webkit-outer-spin-button,
.ruh-ec-qty__value::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

/* Cart Button (Product Detail) */
.ruh-ec-product-detail__cart-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
}

.ruh-ec-product-detail__cart-btn svg {
  flex-shrink: 0;
}

/* Unavailable */
.ruh-ec-product-detail__unavailable {
  padding: var(--ruh-ec-space-md) var(--ruh-ec-space-lg);
  background: var(--ruh-ec-gray-100);
  border-radius: var(--ruh-ec-radius);
  margin-bottom: var(--ruh-ec-space-xl);
}

.ruh-ec-product-detail__unavailable p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--ruh-ec-gray-600);
}

/* Meta Table */
.ruh-ec-product-detail__meta-table {
  border-top: 1px solid var(--ruh-ec-gray-200);
  padding-top: var(--ruh-ec-space-lg);
}

.ruh-ec-product-detail__meta-table table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8125rem;
}

.ruh-ec-product-detail__meta-table th {
  text-align: left;
  font-weight: 500;
  color: var(--ruh-ec-gray-500);
  padding: 0.6em 1em 0.6em 0;
  white-space: nowrap;
  width: 7em;
  vertical-align: top;
  border-bottom: 1px solid var(--ruh-ec-gray-100);
}

.ruh-ec-product-detail__meta-table td {
  color: var(--ruh-ec-gray-700);
  padding: 0.6em 0;
  border-bottom: 1px solid var(--ruh-ec-gray-100);
}

/* Description Section */
.ruh-ec-product-detail__description {
  margin-top: var(--ruh-ec-space-2xl);
  padding-top: var(--ruh-ec-space-2xl);
  border-top: 1px solid var(--ruh-ec-gray-200);
}

.ruh-ec-product-detail__section-title {
  font-family: var(--ruh-ec-font-serif);
  font-size: 1.125rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  margin: 0 0 var(--ruh-ec-space-lg);
  padding-bottom: var(--ruh-ec-space-sm);
  border-bottom: 1px solid var(--ruh-ec-gray-200);
}

.ruh-ec-product-detail__section-title-en {
  display: block;
  font-family: var(--ruh-ec-font-en);
  font-size: 0.625rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ruh-ec-gold);
  margin-bottom: 0.15em;
}

.ruh-ec-product-detail__content {
  font-size: 0.875rem;
  line-height: 2;
}

.ruh-ec-product-detail__content img {
  max-width: 100%;
  height: auto;
}

/* Related Products */
.ruh-ec-product-detail__related {
  margin-top: var(--ruh-ec-space-2xl);
  padding-top: var(--ruh-ec-space-2xl);
  border-top: 1px solid var(--ruh-ec-gray-200);
}