.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--color-border);
  background: color-mix(in oklab, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(16px);
}

.container,
.header-inner {
  width: min(100% - 2.5rem, 72rem);
  margin-inline: auto;
}

.header-inner {
  display: flex;
  min-height: 5.25rem;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
}

.brand {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 0.75rem;
}

.brand img {
  width: 3rem;
  height: 3rem;
  object-fit: contain;
}

.brand-title,
.display-font,
.category-title,
.section-heading h2,
.panel h3,
.news-item h3 {
  font-family: var(--font-heading);
}

.brand-title {
  color: var(--color-primary);
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: 0.06em;
}

.desktop-nav,
.mobile-nav,
.footer-nav {
  display: flex;
  align-items: center;
  gap: 1.1rem;
  font-size: 0.82rem;
}

.desktop-nav a,
.mobile-nav a,
.menu-grid a,
.panel-list a {
  transition: color 160ms ease;
}

.desktop-nav a:hover,
.mobile-nav a:hover,
.menu-grid a:hover,
.panel-list a:hover {
  color: var(--color-primary);
}

.cart-link,
.button {
  display: inline-flex;
  min-height: 2.7rem;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1.1rem;
  border: 1px solid transparent;
  border-radius: var(--radius);
  background: var(--color-primary);
  color: var(--color-primary-contrast);
  font-weight: 700;
  transition: opacity 160ms ease, transform 160ms ease;
}

.cart-link {
  flex: 0 0 auto;
  font-size: 0.8rem;
}

.cart-link:hover,
.button:hover {
  transform: translateY(-1px);
  opacity: 0.88;
}

.mobile-nav {
  display: none;
}

.hero {
  overflow: hidden;
  background: var(--color-primary);
  color: var(--color-primary-contrast);
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  align-items: center;
  gap: clamp(2rem, 6vw, 5rem);
  padding-block: clamp(3.5rem, 8vw, 6.5rem);
}

.hero-copy {
  max-width: 35rem;
}

.eyebrow {
  margin: 0 0 0.85rem;
  color: var(--color-primary);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hero .eyebrow {
  display: inline-block;
  margin-bottom: 1rem;
  padding: 0.35rem 0.8rem;
  border-radius: var(--radius);
  background: color-mix(in oklab, var(--color-primary-contrast) 18%, transparent);
  color: var(--color-primary-contrast);
  letter-spacing: 0.04em;
  text-transform: none;
}

.hero h1 {
  margin: 0;
  font-family: var(--font-heading);
  font-size: clamp(2.8rem, 6vw, 4.8rem);
  font-weight: 800;
  line-height: 1.2;
}

.hero-description {
  max-width: 34rem;
  margin: 1.2rem 0 0;
  color: color-mix(in oklab, var(--color-primary-contrast) 88%, transparent);
  font-size: 1.1rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

.button-light {
  background: var(--color-surface);
  color: var(--color-primary);
}

.button-outline {
  border-color: color-mix(in oklab, var(--color-primary-contrast) 55%, transparent);
  background: transparent;
  color: var(--color-primary-contrast);
}

.hero-note {
  padding: 0.65rem 0.3rem;
  color: var(--color-primary-contrast);
  font-size: 0.875rem;
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 0.25rem;
}

.hero-image {
  width: 100%;
  aspect-ratio: 4 / 3;
  border: 0.5rem solid color-mix(in oklab, var(--color-primary-contrast) 76%, transparent);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  object-fit: cover;
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
  padding-block: 3rem 1rem;
}

.category-card {
  position: relative;
  display: block;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  border-radius: var(--radius);
  background: var(--color-highlight);
  box-shadow: var(--shadow-soft);
}

.category-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 450ms ease;
}

.category-card:hover img {
  transform: scale(1.045);
}

.category-overlay {
  position: absolute;
  inset-inline: 1rem;
  bottom: 1rem;
  display: grid;
  gap: 0.15rem;
  padding: 1rem 1.2rem;
  border: 1px solid color-mix(in oklab, var(--color-border) 75%, transparent);
  border-radius: calc(var(--radius) - 0.25rem);
  background: color-mix(in oklab, var(--color-surface) 91%, transparent);
  backdrop-filter: blur(12px);
}

.category-title {
  font-size: 1.35rem;
  font-weight: 800;
}

.category-description {
  color: var(--color-muted);
  font-size: 0.85rem;
}

.section {
  padding-block: clamp(3rem, 7vw, 5rem);
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.section-heading h2,
.display-font {
  margin: 0;
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  line-height: 1.3;
}

.section-note {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.875rem;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1rem;
}

.product-card {
  min-width: 0;
  padding: 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  box-shadow: var(--shadow-soft);
  transition: transform 180ms ease, border-color 180ms ease;
}

.product-card:hover {
  transform: translateY(-3px);
  border-color: var(--color-primary);
}

.product-image-wrap {
  position: relative;
  overflow: hidden;
  aspect-ratio: 1;
  border-radius: calc(var(--radius) - 0.25rem);
  background: var(--gradient-sakura);
}

.product-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.sale-badge {
  position: absolute;
  top: 0.6rem;
  left: 0.6rem;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius);
  background: var(--color-accent);
  color: var(--color-accent-contrast);
  font-size: 0.7rem;
  font-weight: 700;
}

.product-title {
  margin: 0.75rem 0 0.35rem;
  font-size: 0.875rem;
  font-weight: 700;
  line-height: 1.5;
}

.product-price {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.75rem;
}

.product-price strong {
  color: var(--color-primary);
  font-size: 1rem;
}

.news-section {
  background: var(--gradient-sakura);
}

.news-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 19rem;
  align-items: start;
  gap: 2rem;
}

.news-list,
.panel {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  box-shadow: var(--shadow-soft);
}

.news-list {
  overflow: hidden;
  margin: 1.25rem 0 0;
  padding: 0 1.5rem;
  list-style: none;
}

.news-item {
  display: grid;
  grid-template-columns: 9rem minmax(0, 1fr);
  gap: 1rem;
  padding-block: 1.25rem;
  border-bottom: 1px solid var(--color-border);
}

.news-item:last-child {
  border-bottom: 0;
}

.news-item time {
  color: var(--color-primary);
  font-size: 0.8rem;
  font-weight: 700;
}

.news-item h3 {
  margin: 0;
  font-size: 1rem;
}

.news-item p {
  margin: 0.45rem 0 0;
  color: var(--color-muted);
  font-size: 0.875rem;
  line-height: 1.8;
}

.sidebar {
  display: grid;
  gap: 1rem;
}

.panel {
  padding: 1.25rem;
}

.panel h3 {
  margin: 0;
  font-size: 1.15rem;
}

.panel-list {
  display: grid;
  gap: 0.5rem;
  margin: 0.75rem 0 0;
  padding: 0;
  list-style: none;
  font-size: 0.875rem;
}

.panel-list a {
  display: block;
  padding: 0.55rem 0.7rem;
  border-radius: calc(var(--radius) - 0.35rem);
  background: var(--color-bg);
  font-weight: 700;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 1rem;
}

.tag {
  padding: 0.2rem 0.65rem;
  border-radius: var(--radius);
  background: var(--color-highlight);
  color: var(--color-muted);
  font-size: 0.7rem;
}

.menu-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.55rem 0.75rem;
  margin-top: 0.8rem;
  font-size: 0.8rem;
}

.sidebar-button {
  display: flex;
  width: 100%;
  margin-top: 0.8rem;
}

.text-link {
  display: inline-block;
  color: var(--color-primary);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 0.2rem;
}

.panel .text-link {
  margin-top: 0.7rem;
  font-size: 0.8rem;
}

.old-diary {
  margin: 0.8rem 0 0;
  color: var(--color-muted);
  font-size: 0.8rem;
}

.muted-panel {
  color: var(--color-muted);
  font-size: 0.875rem;
}

.site-footer {
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.8rem;
  padding-block: 2.5rem;
  text-align: center;
}

.footer-inner img {
  width: 4rem;
  height: 4rem;
  object-fit: contain;
}

.copyright {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.75rem;
}

@media (max-width: 1000px) {
  .desktop-nav {
    gap: 0.7rem;
    font-size: 0.73rem;
  }

  .product-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .news-layout {
    grid-template-columns: minmax(0, 1fr) 17rem;
    gap: 1.25rem;
  }
}

@media (max-width: 760px) {
  .header-inner {
    min-height: 4.5rem;
  }

  .desktop-nav {
    display: none;
  }

  .cart-link {
    min-height: 2.45rem;
    padding-inline: 0.75rem;
    font-size: 0.72rem;
  }

  .mobile-nav {
    display: flex;
    gap: 1.2rem;
    overflow-x: auto;
    padding: 0 1.25rem 0.75rem;
    white-space: nowrap;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .hero-image {
    max-height: 27rem;
  }

  .category-grid {
    grid-template-columns: 1fr;
  }

  .news-layout {
    grid-template-columns: 1fr;
  }

  .sidebar {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .sidebar .panel:first-child,
  .sidebar .panel:nth-child(3),
  .muted-panel {
    grid-column: 1 / -1;
  }
}

@media (max-width: 520px) {

  .container,
  .header-inner {
    width: min(100% - 2rem, 72rem);
  }

  .brand {
    gap: 0.5rem;
  }

  .brand img {
    width: 2.6rem;
    height: 2.6rem;
  }

  .brand-title {
    font-size: 1rem;
  }

  .hero h1 {
    font-size: clamp(2.6rem, 12vw, 3.5rem);
  }

  .hero-actions {
    align-items: stretch;
  }

  .hero-actions .button {
    flex: 1 1 auto;
  }

  .hero-note {
    flex-basis: 100%;
  }

  .category-overlay {
    inset-inline: 0.65rem;
    bottom: 0.65rem;
    padding: 0.8rem 0.95rem;
  }

  .product-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.7rem;
  }

  .product-card {
    padding: 0.55rem;
  }

  .news-item {
    grid-template-columns: 1fr;
    gap: 0.2rem;
  }

  .news-list {
    padding-inline: 1rem;
  }

  .sidebar {
    grid-template-columns: 1fr;
  }

  .sidebar .panel:first-child,
  .sidebar .panel:nth-child(3),
  .muted-panel {
    grid-column: auto;
  }
}