:root {
  color-scheme: light;
  --ink: #2f2a24;
  --ink-soft: #625b52;
  --paper: #f7f1e6;
  --paper-deep: #eee4d4;
  --white: #fffdf9;
  --orange: #d36b2e;
  --orange-dark: #a44820;
  --green: #395345;
  --green-dark: #263b31;
  --line: rgba(74, 59, 43, 0.17);
  --shadow: 0 20px 50px rgba(68, 49, 31, 0.09);
  --max: 1200px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", "YuGothic", system-ui, -apple-system, sans-serif;
  -webkit-font-smoothing: antialiased;
}
body, button, input, select { font: inherit; }
a { color: inherit; }
button, input, select { color: inherit; }
img { display: block; max-width: 100%; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 {
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-weight: 500;
}
:focus-visible { outline: 3px solid rgba(211, 107, 46, 0.5); outline-offset: 4px; }

.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 12px 16px;
  color: var(--white);
  background: var(--green);
  transform: translateY(-150%);
}
.skip-link:focus { transform: translateY(0); }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-header { background: var(--paper); }
.header-inner {
  width: min(var(--max), calc(100% - 48px));
  min-height: 92px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  border-bottom: 1px solid var(--line);
}
.brand {
  flex: 0 0 auto;
  text-decoration: none;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: 1.18rem;
  letter-spacing: 0.14em;
}
.brand span {
  display: block;
  margin-top: 3px;
  color: var(--orange-dark);
  font-family: Georgia, serif;
  font-size: 0.54rem;
  letter-spacing: 0.24em;
}
.header-nav ul {
  display: flex;
  align-items: center;
  gap: clamp(16px, 2.5vw, 36px);
  margin: 0;
  padding: 0;
  list-style: none;
}
.header-nav a {
  padding: 10px 0;
  color: var(--ink-soft);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-decoration: none;
}
.header-nav a:hover, .header-nav a[aria-current="page"] { color: var(--orange-dark); }

.catalog-hero {
  padding: 42px 24px 78px;
  background:
    radial-gradient(circle at 84% 16%, rgba(211, 107, 46, 0.13), transparent 26%),
    linear-gradient(180deg, var(--paper), #f4ecdf);
}
.hero-inner { width: min(var(--max), 100%); margin: 0 auto; }
.breadcrumbs { margin-bottom: 48px; color: var(--ink-soft); font-size: 0.73rem; line-height: 1.8; }
.breadcrumbs ol { display: flex; gap: 8px; margin: 0; padding: 0; list-style: none; }
.breadcrumbs li + li::before { content: "／"; margin-right: 8px; color: rgba(47, 42, 36, 0.38); }
.breadcrumbs a { text-underline-offset: 4px; }
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(270px, 0.75fr);
  align-items: end;
  gap: clamp(38px, 7vw, 96px);
}
.page-label {
  margin-bottom: 18px;
  color: var(--orange-dark);
  font-family: Georgia, serif;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}
h1 {
  max-width: 11em;
  margin-bottom: 22px;
  font-size: clamp(2.8rem, 6vw, 5.4rem);
  line-height: 1.2;
  letter-spacing: 0.035em;
}
.hero-deck { max-width: 46rem; margin: 0; color: var(--ink-soft); font-size: 1rem; line-height: 2; }
.hero-note {
  position: relative;
  padding: 30px 32px 28px;
  border-top: 2px solid var(--orange);
  background: rgba(255, 253, 249, 0.66);
}
.hero-note::before {
  content: "10";
  position: absolute;
  top: -0.55em;
  right: 20px;
  color: rgba(211, 107, 46, 0.12);
  font-family: Georgia, serif;
  font-size: 6rem;
  line-height: 1;
}
.hero-note strong { position: relative; display: block; margin-bottom: 10px; font-family: "Yu Mincho", serif; font-size: 1.15rem; }
.hero-note p { position: relative; margin: 0; color: var(--ink-soft); font-size: 0.82rem; line-height: 1.9; }

.catalog-shell { width: min(var(--max), calc(100% - 48px)); margin: 0 auto; padding: 58px 0 112px; }
.ad-disclosure {
  margin-bottom: 34px;
  padding: 18px 22px;
  border: 1px solid var(--line);
  background: #fbf7f0;
  color: var(--ink-soft);
  font-size: 0.78rem;
  line-height: 1.8;
}
.ad-disclosure strong { color: var(--ink); }
.ad-disclosure a { color: var(--orange-dark); text-underline-offset: 3px; }

.catalog-controls {
  position: sticky;
  z-index: 5;
  top: 0;
  margin-bottom: 42px;
  padding: 22px;
  border: 1px solid var(--line);
  background: rgba(255, 253, 249, 0.96);
  box-shadow: 0 16px 38px rgba(68, 49, 31, 0.07);
  backdrop-filter: blur(12px);
}
.controls-top {
  display: grid;
  grid-template-columns: minmax(240px, 1fr) minmax(180px, 0.34fr);
  gap: 14px;
}
.control-label { display: block; margin-bottom: 8px; color: var(--ink-soft); font-size: 0.7rem; letter-spacing: 0.09em; }
.search-wrap { position: relative; }
.search-wrap::before { content: "⌕"; position: absolute; left: 16px; bottom: 12px; color: var(--orange-dark); font-size: 1.45rem; line-height: 1; }
.search-input, .sort-select {
  width: 100%;
  min-height: 48px;
  border: 1px solid var(--line);
  border-radius: 0;
  background: var(--white);
}
.search-input { padding: 0 15px 0 46px; }
.sort-select { padding: 0 38px 0 14px; }
.filter-row { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 18px; }
.filter-button {
  min-height: 40px;
  padding: 0 17px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--white);
  cursor: pointer;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
}
.filter-button:hover { border-color: var(--orange); color: var(--orange-dark); }
.filter-button[aria-pressed="true"] { border-color: var(--green); color: var(--white); background: var(--green); }
.result-line { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin: 0 0 22px; }
.result-line p { margin: 0; color: var(--ink-soft); font-size: 0.8rem; }
.result-count { color: var(--orange-dark); font-family: Georgia, serif; font-size: 1.3rem; }

.product-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 26px; }
.product-card {
  min-width: 0;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  background: var(--white);
  box-shadow: var(--shadow);
}
.product-card[hidden] { display: none; }
.product-image-link { display: block; padding: 26px; background: var(--paper); }
.product-image {
  width: 100%;
  aspect-ratio: 1;
  object-fit: contain;
  mix-blend-mode: multiply;
  transition: transform 260ms ease;
}
.product-image-link:hover .product-image { transform: scale(1.025); }
.product-body { flex: 1; display: flex; flex-direction: column; padding: 24px; }
.product-kicker { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 14px; }
.category-label { color: var(--orange-dark); font-family: Georgia, serif; font-size: 0.66rem; font-weight: 700; letter-spacing: 0.15em; text-transform: uppercase; }
.price { color: var(--ink-soft); font-size: 0.72rem; }
.product-card h2 { margin-bottom: 12px; font-size: 1.28rem; line-height: 1.55; letter-spacing: 0.025em; }
.product-description { margin-bottom: 18px; color: var(--ink-soft); font-size: 0.84rem; line-height: 1.85; }
.product-meta {
  margin: 0 0 18px;
  padding: 14px 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 14px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.product-meta div { min-width: 0; }
.product-meta dt { margin-bottom: 3px; color: var(--ink-soft); font-size: 0.62rem; letter-spacing: 0.06em; }
.product-meta dd { margin: 0; font-size: 0.76rem; line-height: 1.5; }
.tag-list { display: flex; flex-wrap: wrap; gap: 7px; margin: 0 0 22px; padding: 0; list-style: none; }
.tag-list li { padding: 5px 9px; background: var(--paper); color: var(--ink-soft); font-size: 0.67rem; }
.rakuten-link {
  min-height: 48px;
  margin-top: auto;
  padding: 0 18px;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  color: var(--white);
  background: var(--green);
  text-decoration: none;
  font-size: 0.79rem;
  letter-spacing: 0.06em;
  transition: background 180ms ease;
}
.rakuten-link:hover { background: var(--orange-dark); }
.rakuten-link span:last-child { font-size: 1.1rem; }

.empty-state { padding: 70px 24px; border: 1px solid var(--line); background: var(--paper); text-align: center; }
.empty-state h2 { margin-bottom: 10px; font-size: 1.6rem; }
.empty-state p { margin: 0; color: var(--ink-soft); line-height: 1.8; }
.catalog-footnote {
  margin-top: 48px;
  padding: 28px 30px;
  border-left: 3px solid var(--orange);
  background: var(--paper);
  color: var(--ink-soft);
  font-size: 0.78rem;
  line-height: 1.9;
}
.catalog-footnote p:last-child { margin-bottom: 0; }
.catalog-footnote a { color: var(--orange-dark); text-underline-offset: 3px; }

.site-footer { padding: 58px 24px; color: var(--white); background: var(--green-dark); }
.footer-inner { width: min(var(--max), 100%); margin: 0 auto; display: flex; align-items: end; justify-content: space-between; gap: 48px; }
.footer-brand { margin-bottom: 8px; font-family: "Yu Mincho", "Hiragino Mincho ProN", serif; font-size: 1.25rem; letter-spacing: 0.12em; }
.footer-note, .copyright { margin: 0; color: rgba(255, 253, 249, 0.66); font-size: 0.72rem; line-height: 1.7; letter-spacing: 0.08em; }
.footer-utility { display: grid; justify-items: end; gap: 16px; }
.footer-nav ul { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 10px 22px; margin: 0; padding: 0; list-style: none; }
.footer-nav a { color: rgba(255, 253, 249, 0.82); font-size: 0.72rem; letter-spacing: 0.06em; text-underline-offset: 4px; }
.footer-nav a:hover { color: var(--white); }

@media (max-width: 980px) {
  .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-note { max-width: 520px; }
}
@media (max-width: 860px) {
  .header-inner { min-height: 78px; }
  .header-nav { display: none; }
  .catalog-controls { position: static; }
}
@media (max-width: 640px) {
  .header-inner, .catalog-shell { width: calc(100% - 32px); }
  .catalog-hero { padding: 32px 16px 56px; }
  .breadcrumbs { margin-bottom: 36px; }
  h1 { font-size: clamp(2.45rem, 13vw, 3.6rem); }
  .catalog-shell { padding-top: 34px; }
  .controls-top { grid-template-columns: 1fr; }
  .catalog-controls { padding: 16px; }
  .filter-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .filter-button { padding: 0 10px; }
  .product-grid { grid-template-columns: 1fr; }
  .product-image-link { padding: 22px; }
  .footer-inner { display: block; }
  .footer-utility { margin-top: 30px; justify-items: start; }
  .footer-nav ul { justify-content: flex-start; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .product-image { transition: none; }
}