/* --- Base Styles --- */
body {
  background-color: var(--color-bg);
  color: var(--color-text-main);
  font-family: var(--font-sans-ja);
  font-size: var(--font-size-base);
  font-size-adjust: from-font;
  overflow-x: hidden;
}

.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
  width: 100%;
}

/* --- Accessibility Focus --- */
*:focus-visible {
  outline: 2px solid var(--color-accent-gold);
  outline-offset: 4px;
}

/* --- Utility Typography --- */
.font-serif {
  font-family: var(--font-serif-ja);
}
.font-serif-en {
  font-family: var(--font-serif-en);
}
.font-sans-en {
  font-family: var(--font-sans-en);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-sm) var(--space-lg);
  font-family: var(--font-serif-ja);
  font-size: var(--font-size-sm);
  letter-spacing: 0.1em;
  transition: var(--transition-smooth);
  border: 1px solid transparent;
  position: relative;
  z-index: 1;
  overflow: hidden;
}

.btn-primary {
  background-color: var(--color-text-main);
  color: var(--color-bg);
}
.btn-primary:hover {
  background-color: var(--color-brand-green);
}

.btn-secondary {
  border-color: var(--color-text-main);
  color: var(--color-text-main);
  background-color: transparent;
}
.btn-secondary:hover {
  background-color: var(--color-text-main);
  color: var(--color-bg);
}

.btn-accent {
  background-color: var(--color-accent-gold);
  color: var(--color-text-main);
  font-weight: bold;
}
.btn-accent:hover {
  opacity: 0.9;
}

.btn-disabled {
  background-color: #dcd8d0;
  color: #8c867b;
  border-color: #d0cbc2;
  cursor: not-allowed;
  pointer-events: none;
  opacity: 0.85;
}

/* --- Header --- */
.site-header {
  height: var(--header-height);
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background-color: rgba(249, 246, 240, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(229, 222, 201, 0.5);
  transition: var(--transition-smooth);
}

.site-header .container {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  transition: opacity var(--transition-fast);
}

.site-logo:hover {
  opacity: 0.85;
}

.site-logo-img {
  height: 42px;
  width: auto;
  max-width: 100%;
  object-fit: contain;
  display: block;
  /* ヘッダー内での美観向上 */
  filter: drop-shadow(0 0 1px rgba(255,255,255,0.8));
}

/* 縦並びレイアウト（マーク上・社名下）対応 */
.site-logo.is-vertical {
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 4px;
}

.site-logo.is-vertical .site-logo-img {
  height: 56px;
}

.footer-logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  transition: opacity var(--transition-fast);
}

.footer-logo:hover {
  opacity: 0.85;
}

.footer-logo-img {
  height: 44px;
  width: auto;
  max-width: 100%;
  object-fit: contain;
  display: block;
  margin-bottom: var(--space-sm);
}

.footer-logo.is-vertical {
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
}

.footer-logo.is-vertical .footer-logo-img {
  height: 56px;
}

.nav-menu {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav-item a {
  font-family: var(--font-serif-ja);
  font-size: var(--font-size-sm);
  color: var(--color-text-main);
  position: relative;
  padding: var(--space-xs) 0;
  white-space: nowrap; /* 折返し防止 */
  transition: var(--transition-fast);
}

.nav-item a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--color-accent-gold);
  transition: var(--transition-fast);
}

.nav-item a:hover {
  color: var(--color-accent-gold);
}

.nav-item a:hover::after {
  width: 100%;
}

/* Hamburger Menu Icon */
.menu-trigger {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 20px;
  z-index: 110;
}

/* --- Responsive Adjustments --- */
@media (max-width: 960px) {
  :root {
    --space-section: 5rem;
  }

  /* 画面幅960px以下でハンバーガーメニューに切り替え */
  .menu-trigger {
    display: flex;
  }
  .nav-menu {
    display: none;
  }
}
.menu-trigger span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-text-main);
  transition: var(--transition-fast);
}

/* --- Mobile Navigation Drawer --- */
.nav-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: 80%;
  max-width: 400px;
  height: 100%;
  background-color: var(--color-bg);
  box-shadow: -10px 0 30px rgba(0,0,0,0.05);
  z-index: 105;
  transition: var(--transition-smooth);
  padding: 100px var(--space-lg) var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.nav-drawer.is-active {
  right: 0;
}

.nav-drawer .nav-list {
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-lg);
  width: 100%;
}

.nav-drawer .nav-item {
  width: 100%;
}

.nav-drawer .nav-item a {
  font-size: var(--font-size-md);
  display: block;
  width: 100%;
}

.nav-drawer .nav-actions {
  flex-direction: column;
  width: 100%;
  gap: var(--space-md);
  margin-top: auto;
}

.nav-drawer .nav-actions .btn {
  width: 100%;
}

.drawer-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(44, 42, 41, 0.4);
  backdrop-filter: blur(4px);
  z-index: 102;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition-fast);
}

.drawer-overlay.is-active {
  opacity: 1;
  pointer-events: auto;
}

/* Active State of Menu Trigger */
.menu-trigger.is-active span:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
}
.menu-trigger.is-active span:nth-child(2) {
  opacity: 0;
}
.menu-trigger.is-active span:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}

/* --- Breadcrumbs --- */
.breadcrumb-wrapper {
  background-color: rgba(229, 222, 201, 0.15);
  padding: var(--space-sm) 0;
  margin-top: 0 !important;
  border-bottom: 1px solid rgba(229, 222, 201, 0.3);
}

.breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.breadcrumb-item a {
  transition: var(--transition-fast);
}

.breadcrumb-item a:hover {
  color: var(--color-accent-gold);
}

.breadcrumb-item:not(:last-child)::after {
  content: "/";
  margin-left: var(--space-xs);
}

.breadcrumb-item.is-active {
  color: var(--color-text-main);
  pointer-events: none;
}

/* --- Section Layout --- */
.section {
  padding: var(--space-section) 0;
  position: relative;
}

.section-dark {
  background-color: var(--color-bg-dark);
  color: var(--color-text-light);
}

.section-title-wrap {
  text-align: center;
  margin-bottom: var(--space-xxl);
}

.section-title {
  font-family: var(--font-serif-ja);
  font-size: var(--font-size-2xl);
  font-weight: bold;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-xs);
}

.section-title-en {
  font-family: var(--font-serif-en);
  font-size: var(--font-size-xs);
  color: var(--color-accent-gold);
  text-transform: uppercase;
  letter-spacing: 0.2em;
}

/* --- Fade In Animations on Scroll --- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.25, 1, 0.5, 1);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Footer --- */
.site-footer {
  background-color: var(--color-bg-dark);
  color: var(--color-text-light);
  padding: var(--space-xxl) 0 var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 3fr;
  gap: var(--space-xxl);
  margin-bottom: var(--space-xxl);
}

.footer-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.footer-logo {
  font-family: var(--font-serif-ja);
  font-size: var(--font-size-xl);
  font-weight: bold;
  letter-spacing: 0.1em;
  color: var(--color-text-light);
}

.footer-address {
  font-style: normal;
  font-size: var(--font-size-sm);
  line-height: 1.8;
  color: rgba(249, 246, 240, 0.7);
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.footer-nav-col {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-nav-title {
  font-family: var(--font-serif-ja);
  font-size: var(--font-size-sm);
  color: var(--color-accent-gold);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding-bottom: var(--space-xs);
  margin-bottom: var(--space-xs);
}

.footer-nav-link {
  font-size: var(--font-size-sm);
  color: rgba(249, 246, 240, 0.8);
  transition: var(--transition-fast);
}

.footer-nav-link:hover {
  color: var(--color-accent-gold);
  padding-left: var(--space-xs);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--space-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.footer-copyright {
  font-size: var(--font-size-xs);
  color: rgba(249, 246, 240, 0.5);
}

.footer-bottom-links {
  display: flex;
  gap: var(--space-md);
  font-size: var(--font-size-xs);
  color: rgba(249, 246, 240, 0.5);
}

.footer-bottom-links a:hover {
  color: var(--color-accent-gold);
}

/* --- Fixed Floating Side Tabs (右サイド追従固定タブ) --- */
.side-fixed-tabs {
  position: fixed;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  z-index: 150;
  display: flex;
  flex-direction: column;
  gap: 2px;
  box-shadow: -4px 0 20px rgba(44, 42, 41, 0.15);
}

.side-tab-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 12px;
  font-family: var(--font-serif-ja);
  font-size: var(--font-size-xs);
  letter-spacing: 0.15em;
  writing-mode: vertical-rl;
  text-orientation: mixed;
  transition: transform var(--transition-fast), background-color var(--transition-fast);
  border-radius: 4px 0 0 4px;
}

.side-tab-item:hover {
  transform: translateX(-4px);
}

.side-tab-contact {
  background-color: var(--color-bg-dark);
  color: var(--color-text-light);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-right: none;
}
.side-tab-contact:hover {
  background-color: var(--color-brand-green);
  color: #FFF;
}

.side-tab-store {
  background-color: var(--color-brand-green);
  color: #FFF;
  border: 1px solid var(--color-brand-green);
  border-right: none;
  font-weight: bold;
}
.side-tab-store:hover {
  background-color: var(--color-accent-gold);
  color: var(--color-text-main);
}

/* --- Product Card & NO IMAGE Design System --- */
.product-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  padding: var(--space-lg);
  border-radius: 4px;
  position: relative;
  transition: var(--transition-smooth);
}

.product-card:hover {
  border-color: var(--color-accent-gold);
  box-shadow: 0 10px 25px rgba(0,0,0,0.06);
}

.product-img-wrap {
  width: 100%;
  height: 200px;
  background-color: #f9f8f5;
  border-radius: 4px;
  margin-bottom: var(--space-sm);
  overflow: hidden;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.product-card:hover .product-img-wrap img {
  transform: scale(1.03);
}

.product-img-wrap.no-image {
  background-color: #f4f3ef;
  border: 1px dashed var(--color-border);
  position: relative;
}

.product-img-wrap.no-image::after {
  content: "NO IMAGE";
  font-family: var(--font-serif-en);
  font-size: 13px;
  letter-spacing: 0.15em;
  color: #b0ab9f;
  font-weight: bold;
}

@media (max-width: 768px) {
  .product-img-wrap.no-image {
    display: none !important;
  }
}

/* --- Lightbox Modal Styles --- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.gallery-item {
  position: relative;
  display: block;
  height: 180px;
  overflow: hidden;
  border-radius: 4px;
  border: 1px solid var(--color-border);
  background-color: #FAFAFA;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.gallery-zoom-icon {
  position: absolute;
  inset: 0;
  background-color: rgba(44, 42, 41, 0.6);
  color: #FFF;
  font-size: var(--font-size-xs);
  letter-spacing: 0.1em;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.gallery-item:hover img {
  transform: scale(1.08);
}

.gallery-item:hover .gallery-zoom-icon {
  opacity: 1;
}

/* Lightbox Modal Root Overlay */
.lightbox-modal {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background-color: rgba(20, 20, 20, 0.92);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.lightbox-modal.is-open {
  opacity: 1;
  pointer-events: auto;
}

.lightbox-content {
  position: relative;
  max-width: 90vw;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.lightbox-image {
  max-width: 100%;
  max-height: 75vh;
  object-fit: contain;
  border-radius: 4px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.lightbox-caption {
  margin-top: 14px;
  color: rgba(249, 246, 240, 0.9);
  font-family: var(--font-serif-ja);
  font-size: var(--font-size-sm);
  letter-spacing: 0.08em;
  text-align: center;
}

.lightbox-counter {
  margin-top: 4px;
  font-size: var(--font-size-xs);
  color: var(--color-accent-gold);
  letter-spacing: 0.15em;
}

.lightbox-btn {
  position: absolute;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #FFF;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
  border-radius: 50%;
  user-select: none;
}

.lightbox-btn:hover {
  background: var(--color-accent-gold);
  color: var(--color-text-main);
}

.lightbox-btn-close {
  top: -45px;
  right: 0;
  width: 38px;
  height: 38px;
  font-size: 20px;
}

.lightbox-btn-prev,
.lightbox-btn-next {
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  font-size: 24px;
}

.lightbox-btn-prev {
  left: -60px;
}

.lightbox-btn-next {
  right: -60px;
}

@media (max-width: 768px) {
  .lightbox-btn-prev {
    left: 10px;
    top: auto;
    bottom: -60px;
    transform: none;
  }
  .lightbox-btn-next {
    right: 10px;
    top: auto;
    bottom: -60px;
    transform: none;
  }
  .lightbox-btn-close {
    top: -40px;
    right: 10px;
  }
}

/* --- Responsive Adjustments --- */
@media (max-width: 1080px) {
  :root {
    --space-section: 5rem;
  }

  /* 画面幅1080px以下で早い段階でハンバーガーメニューに切り替え */
  .menu-trigger {
    display: flex;
  }
  .nav-menu {
    display: none;
  }
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }
  .footer-nav {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
  }
  .side-tab-container {
    right: 0;
    top: 35%;
  }
  .side-tab-item {
    padding: 8px 6px;
    font-size: 10px;
    letter-spacing: 0.1em;
    gap: 4px;
  }
}

@media (max-width: 480px) {
  .site-logo-img {
    height: 36px;
  }
}

/* --- Inner Page Dark Hero Banner Component --- */
.inner-hero {
  height: 250px;
  background-color: var(--color-bg-dark);
  color: var(--color-text-light);
  display: flex;
  align-items: center;
  margin-top: var(--header-height);
  margin-bottom: 0 !important;
  position: relative;
  text-align: left;
  box-sizing: border-box;
}

/* Featured Image Background Banner (Height max 25vh & Readability Filter) */
.inner-hero.has-featured-image {
  max-height: 25vh;
  min-height: 180px;
  height: 25vh;
  padding: 0;
  display: flex;
  align-items: center;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  position: relative;
}

.inner-hero.has-featured-image::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(20, 18, 17, 0.72) 0%, rgba(35, 31, 29, 0.55) 100%);
  backdrop-filter: brightness(0.85);
  z-index: 1;
}

.inner-hero.has-featured-image .container {
  position: relative;
  z-index: 2;
}

.inner-hero-title {
  color: #ffffff;
  font-family: var(--font-serif-ja);
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  letter-spacing: 0.1em;
  margin: 0;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.4);
}

.inner-hero-subtitle {
  color: var(--color-accent-gold);
  font-family: var(--font-serif-en);
  font-size: var(--font-size-xs);
  letter-spacing: 0.25em;
  display: block;
  margin-top: var(--space-xs);
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.5);
}

@media (max-width: 768px) {
  .inner-hero {
    height: 180px;
    padding: 0;
  }
  .inner-hero.has-featured-image {
    max-height: 22vh;
    min-height: 150px;
    height: 22vh;
  }
  .inner-hero-title {
    font-size: 1.6rem;
  }
}