.product-ui [hidden], .product-purchase [hidden] { display: none !important; }
.product-info { margin-top: 24px; border-top: 1px solid #e5e5e5; }
.product-info__section { border-bottom: 1px solid #e5e5e5; }
.product-info__section summary, .product-size-guide summary { display: flex; align-items: center; gap: 12px; padding: 18px 0; color: #222; font-size: 14px; font-weight: 500; cursor: pointer; list-style: none; }
.product-info__section summary::-webkit-details-marker, .product-size-guide summary::-webkit-details-marker { display: none; }
.product-info__section summary::after, .product-size-guide summary::after { content: '+'; margin-left: auto; font-size: 20px; font-weight: 400; }
.product-info__section[open] summary::after, .product-size-guide[open] summary::after { content: '−'; }
.product-info__body { padding: 0 0 18px; color: #666; font-size: 14px; line-height: 1.8; overflow-wrap: anywhere; }
.product-ui .product-info__body p { margin: 0 0 12px; padding: 0; border: 0; font-size: inherit; }
.product-info__body img { max-width: 100%; height: auto; }
.product-sizes { margin-top: 28px; }
.product-sizes__heading { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; margin-bottom: 14px; color: #222; font-size: 14px; font-weight: 600; }
.product-sizes__heading a { color: #666; font-size: 12px; font-weight: 400; text-decoration: underline; text-underline-offset: 4px; }
.product-sizes__grid { display: grid; grid-template-columns: repeat(5,minmax(0,1fr)); gap: 8px; }
.product-ui .product-sizes__grid .size-button { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px; min-width: 0; min-height: 52px; margin: 0; padding: 8px 4px; border: 1px solid #d9d9d9; border-radius: 6px; background: #fff; color: #222; font-size: 13px; line-height: 1.3; cursor: pointer; text-decoration: none; opacity: 1; }
.product-ui .product-sizes__grid .size-button small { color: #367142; font-size: 9px; letter-spacing: .03em; }
.product-ui .product-sizes__grid .size-button:hover { border-color: #222; background: #f7f7f7; }
.product-ui .product-sizes__grid .size-button.selected { border-color: #222; background: #222; color: #fff; }
.product-ui .product-sizes__grid .size-button.selected small { color: #d4ead8; }
.product-ui .product-sizes__note, .product-ui .product-sizes__status { margin: 10px 0 0; padding: 0; border: 0; color: #777; font-size: 11px; line-height: 1.6; }
.product-ui .product-sizes__status { color: #333; font-size: 12px; margin-top: 14px; }
.product-sizes__quantity { display: flex; align-items: center; gap: 16px; margin-top: 14px; font-size: 12px; color: #555; }
.product-sizes__quantity input { width: 76px; padding: 9px 10px; border: 1px solid #ddd; border-radius: 4px; color: #222; background: #fff; }
.product-ui .card_area { flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.product-ui .card_area .primary-btn { margin: 0; padding: 0 18px; line-height: 44px; border-radius: 5px; font-size: 12px; text-transform: none; }
.product-ui #preOrderButton { background: #19783b !important; color: #fff; }
.product-ui #cartButton:disabled, .product-ui #cartButton[aria-disabled="true"] { opacity: .45; cursor: default; }
.product-support { padding: 48px 0; }
.product-support *, .product-support *::before, .product-support *::after { box-sizing: border-box; }
.product-size-guide { border-top: 1px solid #e5e5e5; border-bottom: 1px solid #e5e5e5; scroll-margin-top: 150px; }
.product-size-guide summary { padding: 22px 0; font-size: 18px; }
.product-size-guide__subtitle { color: #888; font-size: 12px; font-weight: 400; }
.product-size-guide__content { padding-bottom: 24px; color: #666; font-size: 14px; line-height: 1.8; }
.product-size-guide__content img { display: block; max-width: 100%; max-height: 620px; width: auto; height: auto; margin: 20px auto; }
.product-support__text-link { display: inline-block; margin: 10px 20px 0 0; color: #333; text-decoration: underline; text-underline-offset: 4px; }
.product-reviews { padding-top: 40px; }
.product-reviews__heading { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; margin-bottom: 28px; }
.product-reviews__heading h2 { margin: 0; font-size: 24px; font-weight: 600; color: #222; }
.product-reviews__heading > span { font-size: 12px; color: #888; }
.product-reviews__layout { display: grid; grid-template-columns: minmax(0,1.2fr) minmax(0,1fr); gap: 64px; }
.product-reviews__layout > * { min-width: 0; }
.product-reviews__score { display: flex; align-items: center; gap: 14px; margin-bottom: 24px; color: #777; font-size: 12px; line-height: 1.6; }
.product-reviews__score strong { color: #222; font-size: 44px; font-weight: 500; line-height: 1; }
.product-reviews__stars { color: #7e641d; letter-spacing: 2px; font-size: 13px; }
.product-reviews__item { border-top: 1px solid #eee; padding: 20px 0; }
.product-reviews__item header { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; color: #333; font-size: 12px; }
.product-reviews__item p { margin: 12px 0 0; color: #666; font-size: 14px; line-height: 1.8; overflow-wrap: anywhere; }
.product-reviews__write h3, .product-reviews__empty h3 { margin: 0 0 10px; font-size: 18px; font-weight: 500; color: #222; }
.product-reviews__write > p, .product-reviews__empty p { color: #777; font-size: 12px; line-height: 1.8; margin-bottom: 20px; }
.product-reviews__write form { display: flex; flex-direction: column; gap: 9px; }
.product-reviews__write form > label { margin: 0; font-size: 12px; color: #555; }
.product-reviews__write input:not([type="radio"]):not([type="hidden"]), .product-reviews__write textarea { width: 100%; min-width: 0; padding: 11px 12px; margin-bottom: 8px; border: 1px solid #ddd; border-radius: 5px; font: inherit; font-size: 14px; color: #333; background: #fff; }
.product-reviews__write textarea { resize: vertical; }
.product-reviews__rating { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 14px; padding: 0; border: 0; }
.product-reviews__rating legend { margin-bottom: 10px; font-size: 12px; color: #555; }
.product-reviews__rating label { position: relative; flex: 1; cursor: pointer; margin: 0; }
.product-reviews__rating input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.product-reviews__rating span { display: block; padding: 9px 6px; border: 1px solid #ddd; border-radius: 4px; text-align: center; font-size: 12px; color: #666; }
.product-reviews__rating input:checked + span { border-color: #222; background: #222; color: #fff; }
.product-reviews__rating input:focus-visible + span { outline: 2px solid #222; outline-offset: 3px; }
.product-reviews__write button, .product-reviews__login { display: inline-block; align-self: flex-start; margin-top: 4px; padding: 12px 20px; border: 1px solid #222; border-radius: 5px; background: #222; color: #fff; font-size: 12px; cursor: pointer; }
.product-ui button:focus-visible, .product-ui summary:focus-visible, .product-support summary:focus-visible { outline: 2px solid #222; outline-offset: 3px; }
@media (max-width: 767px) {
  .product-sizes__grid { grid-template-columns: repeat(4,minmax(0,1fr)); }
  .product-support { padding: 32px 0; }
  .product-reviews__layout { grid-template-columns: minmax(0,1fr); gap: 32px; }
  .product-reviews__heading h2 { font-size: 22px; }
}
@media (prefers-reduced-motion: reduce) { .product-ui .size-button { transition: none; } }