:root {
  --bg: #FFFDFB;
  --card-bg: #FFFFFF;
  --accent: #E8899D;
  --accent-dark: #D96C82;
  --accent-soft: #FBEEF1;
  --text: #4A3B3F;
  --text-muted: #8C7B7E;
  --border: #EEE3E0;
  --radius: 14px;
  --max-width: 1080px;
  font-family: 'Noto Sans JP', sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

a {
  color: inherit;
}

/* ---------- Header ---------- */

.site-header {
  padding: 40px 0 24px;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  flex-wrap: wrap;
}

.eyebrow {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-dark);
  font-weight: 500;
}

.site-title {
  margin: 0 0 10px;
  font-family: 'Zen Maru Gothic', sans-serif;
  font-weight: 700;
  font-size: 28px;
  line-height: 1.4;
  color: var(--text);
}

.site-desc {
  margin: 0;
  max-width: 480px;
  font-size: 14px;
  color: var(--text-muted);
}

.room-link {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  font-weight: 700;
  color: var(--accent-dark);
  text-decoration: underline;
}

.room-box {
  margin-top: 12px;
  max-width: 480px;
  background: var(--accent-soft);
  border-radius: 10px;
  padding: 10px 14px;
}

.room-intro {
  margin: 0;
  font-size: 13px;
  color: var(--text);
  line-height: 1.6;
}

/* ---------- Theme Tabs ---------- */

.theme-nav {
  position: sticky;
  top: 0;
  background: var(--bg);
  z-index: 10;
  border-bottom: 1px solid var(--border);
  padding: 4px 0;
}

.theme-tabs {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 10px 0;
  scrollbar-width: none;
}

.theme-tabs::-webkit-scrollbar {
  display: none;
}

.theme-tab {
  flex-shrink: 0;
  border: 1px solid var(--border);
  background: var(--card-bg);
  color: var(--text-muted);
  padding: 9px 16px;
  border-radius: 999px;
  font-size: 13px;
  font-family: inherit;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
  white-space: nowrap;
}

.theme-tab:hover {
  border-color: var(--accent);
  color: var(--accent-dark);
}

.theme-tab.is-active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* ---------- Theme banner ---------- */

.theme-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  background: var(--accent-soft);
  border-radius: var(--radius);
  padding: 16px 20px;
  margin: 20px 0;
}

.theme-banner p {
  margin: 0;
  font-size: 14px;
  color: var(--text);
}

.theme-banner a {
  font-size: 13px;
  font-weight: 700;
  color: var(--accent-dark);
  text-decoration: underline;
  white-space: nowrap;
}

/* ---------- Filter bar ---------- */

.filter-bar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: 20px;
}

.search-box {
  flex: 1 1 240px;
}

#searchInput {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 14px;
  font-family: inherit;
  color: var(--text);
  background: var(--card-bg);
}

#searchInput:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.price-select {
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 14px;
  font-family: inherit;
  color: var(--text);
  background: var(--card-bg);
}

.favorites-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text-muted);
  cursor: pointer;
}

.favorites-toggle input {
  accent-color: var(--accent);
  width: 16px;
  height: 16px;
}

/* ---------- State (loading / error / empty) ---------- */

#stateArea {
  margin-bottom: 16px;
}

.state-box {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 20px;
  text-align: center;
}

.state-box .state-title {
  font-weight: 700;
  margin: 0 0 6px;
}

.state-box .state-sub {
  margin: 0;
  font-size: 13px;
  color: var(--text-muted);
}

/* ---------- Product grid ---------- */

.product-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  padding-bottom: 60px;
}

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

@media (min-width: 900px) {
  .product-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.product-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.product-image-wrap {
  position: relative;
  aspect-ratio: 1 / 1;
  background: #FAF6F4;
}

.product-image {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 12px;
}

.favorite-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: none;
  background: rgba(255, 255, 255, 0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 15px;
  color: var(--text-muted);
}

.favorite-btn.is-favorite {
  color: var(--accent);
}

.product-body {
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}

.product-name {
  margin: 0;
  font-size: 13px;
  font-weight: 500;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 2.6em;
}

.product-meta-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.product-price {
  font-family: 'Zen Maru Gothic', sans-serif;
  font-weight: 700;
  font-size: 17px;
  color: var(--accent-dark);
}

.product-review {
  font-size: 11px;
  color: var(--text-muted);
}

.product-shop {
  margin: 0;
  font-size: 11px;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.product-actions {
  margin-top: auto;
  display: flex;
  align-items: center;
  gap: 8px;
  padding-top: 4px;
}

.product-cta {
  flex: 1;
  text-align: center;
  background: var(--accent);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 9px 8px;
  border-radius: 999px;
  text-decoration: none;
}

.product-cta:hover {
  background: var(--accent-dark);
}

.share-mini {
  display: flex;
  gap: 4px;
}

.share-mini button {
  border: 1px solid var(--border);
  background: var(--card-bg);
  color: var(--text-muted);
  font-size: 10px;
  padding: 6px 7px;
  border-radius: 999px;
  cursor: pointer;
  font-family: inherit;
}

.share-mini button:hover {
  border-color: var(--accent);
  color: var(--accent-dark);
}

/* ---------- Header share ---------- */

.header-share {
  display: flex;
  gap: 6px;
}

.header-share button {
  border: 1px solid var(--border);
  background: var(--card-bg);
  color: var(--text-muted);
  font-size: 11px;
  padding: 7px 12px;
  border-radius: 999px;
  cursor: pointer;
  font-family: inherit;
}

.header-share button:hover {
  border-color: var(--accent);
  color: var(--accent-dark);
}

/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid var(--border);
  padding: 24px 0;
  margin-top: 20px;
}

.site-footer p {
  margin: 0;
  font-size: 12px;
  color: var(--text-muted);
  text-align: center;
}

.pr-notice {
  margin-bottom: 6px !important;
}

/* ---------- Skeleton loading ---------- */

.skeleton-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.skeleton-image {
  aspect-ratio: 1 / 1;
  background: #F3ECEA;
}

.skeleton-lines {
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.skeleton-line {
  height: 10px;
  background: #F3ECEA;
  border-radius: 6px;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.skeleton-card * {
  animation: pulse 1.4s ease-in-out infinite;
}

@media (prefers-reduced-motion: reduce) {
  .skeleton-card * {
    animation: none;
  }
}