.fmc-buy-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .4em;
  min-height: 46px;
  padding: 12px 22px;
  border: 0;
  border-radius: 999px;
  background: #111827;
  color: #fff;
  font-weight: 700;
  font-size: 15px;
  line-height: 1.2;
  cursor: pointer;
  transition: opacity .18s ease, transform .18s ease;
}
.fmc-buy-button:hover { opacity: .9; transform: translateY(-1px); }
.fmc-buy-error { color: #b91c1c; font-weight: 700; }
.fmc-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 999999;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: rgba(17, 24, 39, .58);
}
.fmc-modal-overlay.is-open { display: flex; }
.fmc-modal {
  width: min(640px, 100%);
  max-height: min(780px, 92vh);
  overflow: auto;
  background: #fff;
  border-radius: 18px;
  box-shadow: 0 24px 80px rgba(0,0,0,.24);
  color: #111827;
}
.fmc-modal-header { padding: 22px 24px 12px; border-bottom: 1px solid #e5e7eb; }
.fmc-modal-title { margin: 0; font-size: 22px; line-height: 1.35; font-weight: 800; white-space: pre-line; }
.fmc-modal-body { padding: 18px 24px 22px; }
.fmc-modal-message { white-space: pre-line; line-height: 1.8; color: #374151; margin-bottom: 18px; }
.fmc-modal-product {
  background: #f8fafc;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  padding: 14px 16px;
  margin: 14px 0 18px;
}
.fmc-modal-product dl { display: grid; grid-template-columns: 120px 1fr; gap: 7px 12px; margin: 0; }
.fmc-modal-product dt { color: #6b7280; font-weight: 700; }
.fmc-modal-product dd { margin: 0; color: #111827; font-weight: 600; }
.fmc-modal-actions { display: flex; gap: 12px; justify-content: flex-end; flex-wrap: wrap; }
.fmc-modal-agree, .fmc-modal-cancel {
  min-height: 44px;
  padding: 10px 18px;
  border-radius: 999px;
  font-weight: 700;
  cursor: pointer;
}
.fmc-modal-agree { border: 0; background: #111827; color: #fff; }
.fmc-modal-cancel { border: 1px solid #d1d5db; background: #fff; color: #374151; }
@media (max-width: 600px) {
  .fmc-modal { border-radius: 14px; }
  .fmc-modal-product dl { grid-template-columns: 1fr; }
  .fmc-modal-actions { justify-content: stretch; }
  .fmc-modal-agree, .fmc-modal-cancel { width: 100%; }
}

/* Collaborator item template */
.fmc-collab-items {
  margin: 48px 0;
}
.fmc-collab-items__header {
  margin-bottom: 20px;
}
.fmc-collab-items__title {
  margin: 0;
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.25;
  font-weight: 800;
  letter-spacing: .02em;
  color: #111827;
}
.fmc-items-empty {
  padding: 18px 20px;
  border: 1px solid #e5e7eb;
  border-radius: 14px;
  background: #f9fafb;
  color: #6b7280;
}
.fmc-items-grid {
  display: grid;
  grid-template-columns: repeat(var(--fmc-columns, 3), minmax(0, 1fr));
  gap: 24px;
}
.fmc-item-card {
  position: relative;
  overflow: hidden;
  border: 1px solid #e5e7eb;
  border-radius: 20px;
  background: #fff;
  box-shadow: 0 12px 34px rgba(17, 24, 39, .08);
}
.fmc-item-card__image {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #f3f4f6;
}
.fmc-item-card__image-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .28s ease;
}
.fmc-item-card:hover .fmc-item-card__image-img {
  transform: scale(1.035);
}
.fmc-item-card__image-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  color: #9ca3af;
  font-weight: 700;
  letter-spacing: .06em;
}
.fmc-item-card__badge {
  position: absolute;
  left: 14px;
  top: 14px;
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 5px 10px;
  border-radius: 999px;
  background: rgba(17, 24, 39, .92);
  color: #fff;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .08em;
}
.fmc-item-card__badge--inline {
  position: static;
  margin: 18px 18px 0;
}
.fmc-item-card__body {
  padding: 20px;
}
.fmc-item-card__title {
  margin: 0 0 8px;
  font-size: 20px;
  line-height: 1.35;
  font-weight: 800;
  color: #111827;
}
.fmc-item-card__short {
  margin: 0 0 14px;
  color: #4b5563;
  font-size: 14px;
  line-height: 1.7;
}
.fmc-item-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 14px;
}
.fmc-item-card__meta div {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 9px;
  border-radius: 999px;
  background: #f3f4f6;
}
.fmc-item-card__meta dt {
  margin: 0;
  color: #6b7280;
  font-size: 11px;
  font-weight: 800;
}
.fmc-item-card__meta dd {
  margin: 0;
  color: #111827;
  font-size: 12px;
  font-weight: 800;
}
.fmc-item-card__description {
  margin: 12px 0 0;
  color: #4b5563;
  font-size: 14px;
  line-height: 1.8;
}
.fmc-item-card__description p {
  margin: 0 0 .7em;
}
.fmc-item-card__price {
  margin: 16px 0 14px;
  font-size: 22px;
  line-height: 1;
  font-weight: 900;
  color: #111827;
}
.fmc-item-card__action {
  margin-top: 16px;
}
.fmc-item-card__action .fmc-makeshop-form,
.fmc-item-card__action .fmc-buy-button {
  width: 100%;
}
@media (max-width: 900px) {
  .fmc-items-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 600px) {
  .fmc-items-grid { grid-template-columns: 1fr; gap: 18px; }
  .fmc-item-card__body { padding: 18px; }
}

/* v0.3 product listing/detail */
.fmc-item-card__title a { color: inherit; text-decoration: none; }
.fmc-detail-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 10px 18px;
  border-radius: 999px;
  background: #111827;
  color: #fff;
  text-decoration: none;
  font-weight: 800;
}
.fmc-gallery { position: relative; width: 100%; }
.fmc-gallery__main { position: relative; width: 100%; aspect-ratio: 4 / 3; overflow: hidden; background: #f3f4f6; }
.fmc-gallery--detail .fmc-gallery__main { aspect-ratio: 4 / 5; border-radius: 18px; }
.fmc-gallery__image { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; pointer-events: none; transition: opacity .18s ease, transform .28s ease; }
.fmc-gallery__image.is-active { opacity: 1; pointer-events: auto; }
.fmc-item-card:hover .fmc-gallery__image.is-active { transform: scale(1.035); }
.fmc-gallery__thumbs { display: flex; gap: 8px; margin-top: 10px; flex-wrap: wrap; }
.fmc-gallery__thumb { width: 54px; height: 54px; padding: 0; border: 1px solid #e5e7eb; border-radius: 10px; overflow: hidden; background: #fff; cursor: pointer; opacity: .62; }
.fmc-gallery__thumb.is-active { opacity: 1; border-color: #111827; }
.fmc-gallery__thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.fmc-product-detail { display: grid; grid-template-columns: minmax(0, 1fr) minmax(320px, .9fr); gap: clamp(28px, 5vw, 64px); align-items: start; margin: 56px auto; max-width: 1120px; }
.fmc-product-detail__title { margin: 10px 0 12px; font-size: clamp(30px, 4vw, 54px); line-height: 1.08; font-weight: 900; }
.fmc-product-detail__short { color: #6b7280; line-height: 1.8; }
.fmc-product-detail__price { font-size: 28px; font-weight: 900; margin: 20px 0; }
.fmc-product-detail__description { margin: 20px 0; line-height: 1.9; }
.fmc-product-detail__badge { position: static; display: inline-flex; margin: 0; }
.fmc-variant-form { display: grid; gap: 10px; margin-top: 22px; }
.fmc-variant-label { font-size: 12px; font-weight: 800; color: #6b7280; letter-spacing: .08em; }
.fmc-variant-select { min-height: 42px; border: 1px solid #d1d5db; border-radius: 10px; padding: 8px 12px; background: #fff; }
.fmc-product-detail__code { font-size: 13px; color: #6b7280; margin: 8px 0; word-break: break-all; }
@media (max-width: 800px) { .fmc-product-detail { grid-template-columns: 1fr; } }


/* v0.3.1 single product template + collaborator profile */
.fmc-single-page {
  background: #030814;
  color: #f9fafb;
  min-height: 80vh;
  padding: clamp(48px, 7vw, 96px) 20px;
}
.fmc-single-page__container {
  width: min(1120px, 100%);
  margin: 0 auto;
}
.fmc-single-page__top {
  margin-bottom: 22px;
}
.fmc-single-page__back,
.fmc-collab-profile__action a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 10px 16px;
  border: 1px solid rgba(197,160,89,.55);
  color: #c5a059;
  text-decoration: none;
  font-weight: 800;
  letter-spacing: .08em;
  font-size: 12px;
  transition: background .18s ease, color .18s ease, border-color .18s ease;
}
.fmc-single-page__back:hover,
.fmc-collab-profile__action a:hover {
  background: #c5a059;
  color: #050814;
  border-color: #c5a059;
}
.fmc-single-page .fmc-product-detail {
  background: rgba(255,255,255,.035);
  border: 1px solid rgba(255,255,255,.08);
  padding: clamp(22px, 4vw, 44px);
  color: #f9fafb;
}
.fmc-single-page .fmc-product-detail__title,
.fmc-single-page .fmc-product-detail__price,
.fmc-single-page .fmc-item-card__meta dd { color: #f9fafb; }
.fmc-single-page .fmc-product-detail__short,
.fmc-single-page .fmc-product-detail__description,
.fmc-single-page .fmc-product-detail__code,
.fmc-single-page .fmc-variant-label { color: rgba(255,255,255,.68); }
.fmc-single-page .fmc-item-card__meta div { background: rgba(255,255,255,.09); }
.fmc-single-page .fmc-gallery__main { background: rgba(255,255,255,.08); }
.fmc-single-page .fmc-gallery__thumb { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.15); }
.fmc-single-page .fmc-gallery__thumb.is-active { border-color: #c5a059; }
.fmc-single-page .fmc-buy-button { background: #c5a059; color: #050814; border-radius: 4px; letter-spacing: .12em; }
.fmc-collab-profile {
  margin: 32px auto 0;
  padding: clamp(22px, 4vw, 34px);
  border: 1px solid rgba(197,160,89,.25);
  background: rgba(197,160,89,.06);
}
.fmc-collab-profile__inner {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}
.fmc-collab-profile__image {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border: 1px solid rgba(255,255,255,.12);
}
.fmc-collab-profile__kicker {
  margin: 0 0 8px;
  color: #c5a059;
  font-size: 11px;
  letter-spacing: .28em;
  font-weight: 800;
}
.fmc-collab-profile__title {
  margin: 0 0 14px;
  font-size: clamp(24px, 3vw, 36px);
  color: #fff;
  line-height: 1.2;
}
.fmc-collab-profile__text {
  color: rgba(255,255,255,.72);
  line-height: 1.9;
  font-size: 14px;
}
.fmc-collab-profile__text p { margin: 0 0 1em; }
.fmc-collab-profile__action { margin: 18px 0 0; }
@media (max-width: 700px) {
  .fmc-collab-profile__inner { grid-template-columns: 1fr; }
  .fmc-collab-profile__visual { max-width: 220px; }
}

/* v0.3.4 mobile header overlap fix */
@media (max-width: 782px) {
  .fmc-single-page {
    padding-top: 118px;
  }
  body.admin-bar .fmc-single-page {
    padding-top: 132px;
  }
  .fmc-single-page__top {
    margin-bottom: 28px;
  }
  .fmc-single-page__back {
    position: relative;
    z-index: 2;
    max-width: 100%;
    flex-wrap: wrap;
    line-height: 1.35;
  }
}


/* v0.3.5 variant select visibility fix */
.fmc-single-page .fmc-variant-form select,
.fmc-single-page .fmc-variant-select {
  width: 100%;
  min-height: 48px;
  padding: 10px 44px 10px 14px;
  border: 1px solid rgba(255,255,255,.28);
  border-radius: 10px;
  background-color: #ffffff !important;
  color: #111827 !important;
  font-weight: 700;
  line-height: 1.3;
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, #111827 50%),
    linear-gradient(135deg, #111827 50%, transparent 50%);
  background-position:
    calc(100% - 18px) 50%,
    calc(100% - 12px) 50%;
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
}
.fmc-single-page .fmc-variant-form select option,
.fmc-single-page .fmc-variant-select option {
  background: #ffffff !important;
  color: #111827 !important;
}
.fmc-single-page .fmc-variant-form select:focus,
.fmc-single-page .fmc-variant-select:focus {
  outline: none;
  border-color: #c5a059;
  box-shadow: 0 0 0 2px rgba(197,160,89,.22);
}
.fmc-single-page .fmc-variant-form select:disabled,
.fmc-single-page .fmc-variant-select:disabled {
  background-color: rgba(255,255,255,.72) !important;
  color: #6b7280 !important;
}
.fmc-single-page .fmc-variant-label {
  display: block;
  margin-bottom: 6px;
  color: rgba(255,255,255,.88) !important;
}

/* v0.3.6 square product image + product-code display adjustment */
.fmc-item-card__image,
.fmc-gallery__main,
.fmc-gallery--detail .fmc-gallery__main {
  aspect-ratio: 1 / 1;
}
.fmc-gallery__main {
  background: #ffffff;
}
.fmc-gallery__image {
  object-fit: contain;
  background: #ffffff;
}
.fmc-product-detail__sku {
  font-size: 12px;
  color: rgba(255,255,255,.52);
  margin: -2px 0 10px;
  word-break: break-all;
}
.fmc-single-page .fmc-product-detail__sku {
  color: rgba(255,255,255,.52);
}


/* v0.3.8 size price + 4-column collaborator adjustments */
.fmc-size-price-box { margin-top: 18px; padding-top: 18px; border-top: 1px solid #e5e7eb; }
.fmc-size-price-grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 14px; }
.fmc-size-price-grid input { width: 100%; }
@media (max-width: 960px) { .fmc-size-price-grid { grid-template-columns: repeat(2, minmax(0,1fr)); } }
@media (max-width: 560px) { .fmc-size-price-grid { grid-template-columns: 1fr; } }
.fmc-collab-items { clear: both; width: 100%; }
.fmc-collab-items .fmc-items-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 1100px) { .fmc-collab-items .fmc-items-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) { .fmc-collab-items .fmc-items-grid { grid-template-columns: 1fr; } }


/* v0.5.0 event sale period / cart period control */
.fmc-sale-status,
.fmc-sale-period,
.fmc-countdown {
  margin: 16px 0;
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid rgba(17,24,39,.10);
  background: #fff;
  color: #111827;
}
.fmc-item-card .fmc-sale-status,
.fmc-item-card .fmc-countdown {
  margin: 12px 0;
  padding: 12px;
  font-size: 13px;
}
.fmc-sale-status__label,
.fmc-sale-period__label,
.fmc-countdown__label {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .04em;
}
.fmc-sale-status__text,
.fmc-sale-status__date,
.fmc-sale-period__date {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.7;
}
.fmc-sale-status--before .fmc-sale-status__label { background: #f5f0df; color: #8a6a00; }
.fmc-sale-status--active .fmc-sale-status__label { background: #111827; color: #fff; }
.fmc-sale-status--after .fmc-sale-status__label { background: #eee; color: #555; }
.fmc-sale-status--not_set .fmc-sale-status__label { background: #f3f4f6; color: #6b7280; }
.fmc-sale-period__label,
.fmc-countdown__label { background: #111827; color: #fff; }
.fmc-countdown { background: linear-gradient(135deg, #fff, #faf7ec); }
.fmc-countdown__timer {
  margin-top: 10px;
  font-size: clamp(18px, 3vw, 28px);
  font-weight: 900;
  letter-spacing: .04em;
  tab-size: 2;
}
.fmc-countdown__timer span { display: inline-block; min-width: 2ch; font-variant-numeric: tabular-nums; }

/* v0.5.5: 管理者向けカート連動テストモード */
.fmc-test-mode-notice {
  margin: 14px 0;
  padding: 12px 14px;
  border: 1px solid #c5a059;
  border-radius: 14px;
  background: #fff8e1;
  color: #111827;
}
.fmc-test-mode-notice__label {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 999px;
  background: #111827;
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .04em;
}
.fmc-test-mode-notice__text {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.7;
  font-weight: 700;
}

/* v0.5.9: makeshopから戻った時だけ表示するカート確認ボタン */
.fmc-cart-view-return {
  margin: 18px 0 0;
  padding: 14px 16px;
  border: 1px solid rgba(17,24,39,.12);
  border-radius: 14px;
  background: #fff7e6;
  color: #111827;
}
.fmc-cart-view-return__note {
  margin: 0 0 10px;
  font-size: 13px;
  line-height: 1.7;
  color: #374151;
}
.fmc-cart-view-return__button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 10px 18px;
  border-radius: 999px;
  background: #c5a059;
  color: #000;
  font-weight: 800;
  text-decoration: none;
}
.fmc-cart-view-return__button:hover { opacity: .88; }