/* Retail-first catalog refinements. Product media always keeps source color. */
:root { color-scheme: light; }

body[data-catalog-page="shop"] { background: var(--paper); }

.retail-hero {
  display: grid;
  grid-template-columns: minmax(220px, .72fr) minmax(0, 1.6fr);
  gap: clamp(1.5rem, 4vw, 4rem);
  align-items: end;
  max-width: 1280px;
  margin: 0 auto;
  padding: clamp(2rem, 5vw, 4rem) clamp(1rem, 5vw, 5rem);
}

.retail-hero-copy h1 {
  margin: 0;
  font-family: "Noto Serif JP", Georgia, "Yu Mincho", serif;
  font-size: clamp(2.1rem, 4.2vw, 3.8rem);
  line-height: 1.08;
  letter-spacing: 0;
}

.retail-hero-copy > p:not(.overline) {
  max-width: 30rem;
  margin: 1rem 0 0;
  color: var(--muted);
  font-size: .9rem;
}

.retail-category-links {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: .7rem;
}

.retail-category-links a {
  display: grid;
  align-content: center;
  min-height: 92px;
  padding: .9rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
  color: var(--ink);
  text-decoration: none;
}

.retail-category-links a:hover,
.retail-category-links a:focus-visible {
  border-color: var(--accent);
  background: #eef4ef;
}

.retail-category-links strong {
  font-size: .84rem;
  line-height: 1.35;
}

.retail-category-links span {
  margin-top: .28rem;
  color: var(--muted);
  font-size: .66rem;
  line-height: 1.4;
}

.notice { justify-content: flex-start; padding-inline: max(1rem, calc((100vw - 1120px) / 2)); }
.section { padding-block: clamp(2.75rem, 6vw, 5rem); }
.catalog { padding-top: clamp(2.5rem, 5vw, 4rem); }
.catalog > * { max-width: 1180px; }
.section-heading h2 { font-size: clamp(1.9rem, 3.7vw, 3.35rem); }

.filters {
  grid-template-columns: minmax(250px, 1.4fr) repeat(3, minmax(145px, .8fr)) auto;
  align-items: end;
  margin-top: 1.8rem;
}

.filters .group-filter { grid-column: 1 / -1; }
.filters .filter-select { min-width: 0; }
.filters .filter-select[hidden] { display: none; }

.filter-select select {
  width: 100%;
  min-height: 46px;
  padding: .65rem .7rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
  color: var(--ink);
  font: inherit;
  font-size: .84rem;
}

.filter-reset {
  min-height: 46px;
  padding: .55rem .8rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
  color: var(--ink);
  font: inherit;
  font-size: .76rem;
  font-weight: 700;
  cursor: pointer;
}

.filter-reset:hover { border-color: var(--accent); }
.filter-advanced-toggle { display: none; }
.filter-options { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); }
.filter-options button { min-height: 44px; border-radius: 6px; }
.filter-options .filter-count { display: inline-block; margin-left: .35rem; color: var(--muted); font-size: .67rem; font-variant-numeric: tabular-nums; }
.filter-options button[aria-pressed="true"] .filter-count { color: inherit; }

.catalog-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: .7rem 1rem;
  margin: 1.15rem auto .8rem;
}

.catalog-toolbar .result-count { margin: 0; }
.catalog-sort { display: inline-flex; align-items: center; gap: .55rem; color: var(--muted); font-size: .78rem; white-space: nowrap; }
.catalog-sort select { min-height: 44px; padding: .5rem .65rem; border: 1px solid var(--line); border-radius: 6px; background: var(--surface); color: var(--ink); color-scheme: light; font: inherit; }

.product-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.catalog-loading {
  grid-column: 1 / -1;
  min-height: 132px;
  margin: 0;
  display: grid;
  place-items: center;
  background: var(--surface);
  color: var(--muted);
  font-size: .78rem;
}
.product-grid.is-single { grid-template-columns: minmax(0, min(100%, 420px)); border: 0; background: transparent; }
.product-image-link { position: relative; display: block; aspect-ratio: 4 / 3; overflow: hidden; background: #f4f1e9; }
.product-image-link .product-image { position: absolute; inset: .75rem; display: block; width: calc(100% - 1.5rem); height: calc(100% - 1.5rem); aspect-ratio: auto; padding: 0; background: transparent; object-fit: contain; filter: none !important; mix-blend-mode: normal !important; }
.product-copy { height: 100%; }
.product-meta { line-height: 1.45; }
.product-code,
.product-specs { overflow-wrap: anywhere; }
.product-specs { margin: 0; color: var(--muted); font-size: .7rem; line-height: 1.5; }
.product-bottom { margin-top: auto; }
.price { color: var(--ink); font-size: .98rem; }
.price small { margin-top: .15rem; line-height: 1.4; }

.product-actions { display: grid; grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr); gap: .5rem; align-items: stretch; margin-top: .45rem; }
body[data-catalog-page="shop"] .citation-button,
body[data-catalog-page="shop"] .add-button { display: inline-flex; align-items: center; justify-content: center; min-width: 0; min-height: 44px; padding: .45rem .5rem; border-radius: 6px; text-align: center; font-size: .69rem; line-height: 1.35; }
body[data-catalog-page="shop"] .citation-button { border-color: var(--line); background: transparent; color: var(--ink); }
body[data-catalog-page="shop"] .add-button { border-color: var(--accent); background: var(--accent); color: #ffffff; }
body[data-catalog-page="shop"] .citation-button:hover { border-color: var(--accent); background: #eef4ef; color: var(--accent); }
body[data-catalog-page="shop"] .add-button:hover { background: var(--accent-hover); color: #ffffff; }

.catalog-more:not([hidden]) { display: flex; min-height: 48px; margin: 24px auto 0; }
.catalog-more[hidden] { display: none; }
.guide-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.toast { bottom: 1rem; width: min(90vw, 360px); border: 1px solid #26372f; background: #111815; color: #ffffff; text-align: center; opacity: 0; visibility: hidden; pointer-events: none; }

.site-header .cart-toggle,
.panel-head .icon-button,
.kisaragi-popover-close { min-width: 44px; min-height: 44px; }
.toast.show { opacity: 1; visibility: visible; }

.retail-category-links a:focus-visible,
.filter-select select:focus-visible,
.filter-reset:focus-visible,
.catalog-sort select:focus-visible,
.product-image-link:focus-visible { outline: 3px solid #0f5138; outline-offset: 3px; }

body[data-catalog-page="shop"] button:focus-visible,
body[data-catalog-page="shop"] a:focus-visible,
body[data-catalog-page="shop"] input:focus-visible,
body[data-catalog-page="shop"] select:focus-visible {
  outline-color: #0f5138;
}

body[data-catalog-page="shop"] footer a:focus-visible {
  outline-color: #ffffff;
}

@media (max-width: 1050px) {
  .retail-hero { grid-template-columns: 1fr; align-items: start; }
  .filters { grid-template-columns: minmax(220px, 1.3fr) repeat(2, minmax(150px, 1fr)); }
  .filter-reset { grid-column: auto; }
  .product-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 760px) {
  .site-header { flex-wrap: nowrap; gap: .5rem; padding-block: .4rem; }
  #catalog,
  #guide { scroll-margin-top: 72px; }
  .retail-hero { gap: .75rem; padding-block: 1rem; }
  .retail-hero-copy .overline { display: none; }
  .retail-hero-copy h1 { font-size: 1.9rem; }
  .retail-hero-copy > p:not(.overline) { margin-top: .35rem; font-size: .76rem; line-height: 1.55; }
  .retail-category-links { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .retail-category-links a { min-height: 52px; padding: .5rem .65rem; }
  .retail-category-links a span { display: none; }
  .notice { align-items: center; flex-direction: row; gap: .6rem; padding-block: .55rem; font-size: .7rem; line-height: 1.4; }
  .catalog { padding-top: 1rem; }
  .catalog .section-heading .overline,
  .catalog .section-heading > p:not(.overline) { display: none; }
  .catalog .section-heading h2 { font-size: 1.55rem; line-height: 1.2; }
  .filters { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .55rem; margin-top: .75rem; }
  .filters .search,
  .filters .group-filter,
  .filters #deviceFilterWrap,
  .filter-advanced-toggle,
  .filter-reset { grid-column: 1 / -1; }
  .filters .group-filter { min-width: 0; overflow: hidden; }
  .filter-options { display: flex; flex-wrap: nowrap; gap: .4rem; overflow-x: auto; padding: 0 0 .2rem; scrollbar-width: thin; }
  .filter-options button { flex: 0 0 auto; min-height: 44px; padding-inline: .65rem; white-space: nowrap; }
  .filter-advanced-toggle {
    display: block;
    min-height: 44px;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: var(--surface);
    color: var(--ink);
    font: 700 .74rem inherit;
  }
  .filters:not(.is-advanced-open) .filter-select,
  .filters:not(.is-advanced-open) .filter-reset { display: none; }
  .filters.is-advanced-open .filter-select:not([hidden]),
  .filters.is-advanced-open .filter-reset { display: block; }
  .filter-reset { min-height: 44px; }
  .catalog-toolbar { margin-top: .65rem; margin-bottom: .6rem; }
  .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .guide-grid { grid-template-columns: 1fr; }
  .toast { bottom: calc(92px + env(safe-area-inset-bottom, 0px)); }
}

@media (max-width: 520px) {
  .section { padding-inline: .75rem; }
  .product-grid,
  .product-grid.is-single { grid-template-columns: 1fr; }
  .product-card { display: grid; grid-template-columns: minmax(106px, 31%) minmax(0, 1fr); align-items: stretch; }
  .product-card > .product-image-link,
  .product-card > .product-empty { min-height: 214px; height: 100%; aspect-ratio: auto; }
  .product-card > .product-image-link .product-image { inset: .45rem; width: calc(100% - .9rem); height: calc(100% - .9rem); }
  .product-copy { min-width: 0; padding: .75rem; gap: .38rem; }
  .product-name { overflow-wrap: anywhere; word-break: normal; font-size: .9rem; line-height: 1.38; }
  .product-meta,
  .product-code,
  .product-specs { font-size: .65rem; }
  .product-actions { grid-template-columns: 1fr; gap: .4rem; }
  body[data-catalog-page="shop"] .citation-button,
  body[data-catalog-page="shop"] .add-button { min-height: 44px; font-size: .66rem; }
  footer { padding-bottom: calc(5.5rem + env(safe-area-inset-bottom, 0px)); }
}