/* ==========================================================================
   WALL BRANDING JAPAN - Main Stylesheet
   高級感・ミニマル・店舗向け
   ========================================================================== */

/* CSS Variables ----------------------------------------------------------- */
:root {
  /* Color Palette */
  --color-black: #0a0a0a;
  --color-charcoal: #1a1a1a;
  --color-deep: #141414;
  --color-graphite: #2a2a2a;
  --color-stone: #5a5a5a;
  --color-mist: #9a9a9a;
  --color-fog: #c8c4be;
  --color-bone: #e8e4dd;
  --color-offwhite: #f5f1ea;
  --color-paper: #faf7f2;

  /* Accent */
  --color-champagne: #c9a96e;
  --color-champagne-deep: #a8895a;
  --color-silver: #b8b5ad;
  --color-wine: #5a1a23;
  --color-wine-deep: #3d0f17;

  /* Functional */
  --color-bg: var(--color-paper);
  --color-bg-dark: var(--color-black);
  --color-text: var(--color-deep);
  --color-text-muted: var(--color-stone);
  --color-border: rgba(20, 20, 20, 0.08);
  --color-border-dark: rgba(245, 241, 234, 0.12);

  /* Typography */
  --font-display: "Cormorant Garamond", "Noto Serif JP", "Times New Roman", serif;
  --font-sans: "Jost", "Noto Sans JP", -apple-system, sans-serif;
  --font-jp: "Noto Serif JP", "Yu Mincho", "Hiragino Mincho ProN", serif;
  --font-jp-sans: "Noto Sans JP", "Yu Gothic", "Hiragino Sans", sans-serif;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;
  --space-2xl: 10rem;

  /* Layout */
  --max-width: 1440px;
  --content-width: 1200px;
  --header-height: 80px;
  --header-height-mobile: 64px;

  /* Transitions */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --transition: 0.4s var(--ease);
  --transition-slow: 0.8s var(--ease-out);
}

/* Reset ------------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-jp-sans);
  font-weight: 300;
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  letter-spacing: 0.02em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition);
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

ul, ol {
  list-style: none;
}

/* Typography -------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: 0.01em;
}

.display-xl {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(2.8rem, 8vw, 6rem);
  line-height: 1.05;
  letter-spacing: -0.01em;
}

.display-lg {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(2.2rem, 5vw, 4rem);
  line-height: 1.1;
}

.display-md {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  line-height: 1.2;
}

.heading-jp {
  font-family: var(--font-jp);
  font-weight: 400;
  letter-spacing: 0.05em;
}

.eyebrow {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-champagne-deep);
}

.eyebrow--light {
  color: var(--color-champagne);
}

.text-muted {
  color: var(--color-text-muted);
}

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

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

.section {
  padding: var(--space-2xl) 0;
}

.section-sm {
  padding: var(--space-xl) 0;
}

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

.section-dark .text-muted {
  color: var(--color-fog);
}

/* Header ------------------------------------------------------------------ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background-color: rgba(250, 247, 242, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
  z-index: 100;
  transition: all var(--transition);
}

.site-header.is-dark {
  background-color: rgba(10, 10, 10, 0.85);
  border-bottom-color: var(--color-border-dark);
  color: var(--color-offwhite);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.logo {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1.3rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  line-height: 1;
}

.logo-mark {
  display: inline-block;
  margin-right: 0.4em;
  color: var(--color-champagne-deep);
}

.logo-sub {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.6rem;
  letter-spacing: 0.4em;
  margin-top: 0.3em;
  color: var(--color-stone);
}

.site-header.is-dark .logo-sub {
  color: var(--color-fog);
}

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

.nav-main a {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-weight: 400;
  position: relative;
  padding: 0.5em 0;
}

.nav-main a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--color-champagne-deep);
  transition: width var(--transition);
}

.nav-main a:hover::after,
.nav-main a.active::after {
  width: 100%;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  padding: 0.7em 1.5em;
  border: 1px solid currentColor;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  transition: all var(--transition);
}

.nav-cta:hover {
  background-color: var(--color-text);
  color: var(--color-paper);
}

.site-header.is-dark .nav-cta:hover {
  background-color: var(--color-paper);
  color: var(--color-text);
}

.nav-cta::after {
  display: none !important;
}

/* Mobile menu toggle */
.menu-toggle {
  display: none;
  width: 32px;
  height: 32px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  z-index: 102;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 1px;
  background-color: currentColor;
  transition: all 0.3s var(--ease);
}

.menu-toggle.is-open span:nth-child(1) {
  transform: translateY(3px) rotate(45deg);
}
.menu-toggle.is-open span:nth-child(2) {
  transform: translateY(-3px) rotate(-45deg);
}

/* Buttons ----------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6em;
  padding: 1.1em 2.2em;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  border: 1px solid var(--color-text);
  background-color: var(--color-text);
  color: var(--color-paper);
  transition: all var(--transition);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.btn:hover {
  background-color: transparent;
  color: var(--color-text);
}

.btn--ghost {
  background-color: transparent;
  color: var(--color-text);
}

.btn--ghost:hover {
  background-color: var(--color-text);
  color: var(--color-paper);
}

.btn--light {
  background-color: var(--color-paper);
  color: var(--color-text);
  border-color: var(--color-paper);
}

.btn--light:hover {
  background-color: transparent;
  color: var(--color-paper);
  border-color: var(--color-paper);
}

.btn--gold {
  background-color: var(--color-champagne-deep);
  border-color: var(--color-champagne-deep);
  color: var(--color-paper);
}

.btn--gold:hover {
  background-color: transparent;
  color: var(--color-champagne-deep);
}

.btn--line {
  background-color: #06c755;
  border-color: #06c755;
  color: white;
}

.btn--line:hover {
  background-color: transparent;
  color: #06c755;
}

.btn--full {
  width: 100%;
}

.btn .arrow {
  width: 1em;
  height: 1px;
  background-color: currentColor;
  position: relative;
  transition: width var(--transition);
}

.btn .arrow::after {
  content: '';
  position: absolute;
  right: 0;
  top: 50%;
  width: 0.4em;
  height: 0.4em;
  border-top: 1px solid currentColor;
  border-right: 1px solid currentColor;
  transform: translateY(-50%) rotate(45deg);
}

.btn:hover .arrow {
  width: 1.5em;
}

/* Hero -------------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background-color: var(--color-black);
  color: var(--color-offwhite);
  overflow: hidden;
  padding-top: var(--header-height);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 70% 30%, rgba(201, 169, 110, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse at 20% 70%, rgba(90, 26, 35, 0.2) 0%, transparent 50%),
    linear-gradient(180deg, #0a0a0a 0%, #141414 100%);
}

.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 80px 80px;
}

.hero-noise {
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9'/><feColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0.04 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  opacity: 0.5;
  mix-blend-mode: overlay;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-xl) var(--space-md);
  width: 100%;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 1em;
  margin-bottom: var(--space-md);
}

.hero-eyebrow .line {
  width: 60px;
  height: 1px;
  background-color: var(--color-champagne);
}

.hero-title {
  font-family: var(--font-jp);
  font-weight: 300;
  font-size: clamp(2rem, 5vw, 4rem);
  line-height: 1.3;
  letter-spacing: 0.02em;
  margin-bottom: var(--space-md);
}

.hero-title .accent {
  color: var(--color-champagne);
  font-style: italic;
  font-family: var(--font-display);
}

.hero-sub {
  font-size: 1rem;
  line-height: 1.9;
  color: var(--color-fog);
  margin-bottom: var(--space-md);
  max-width: 480px;
}

.hero-en {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.1rem;
  color: var(--color-champagne);
  margin-bottom: var(--space-md);
  letter-spacing: 0.05em;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: var(--space-md);
}

.hero-visual {
  position: relative;
  aspect-ratio: 3/4;
}

.hero-frame {
  position: absolute;
  inset: 0;
  border: 1px solid rgba(201, 169, 110, 0.3);
  background: linear-gradient(135deg, #1a1a1a 0%, #2a2a2a 50%, #1a1a1a 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-frame::before {
  content: '';
  position: absolute;
  inset: 20px;
  border: 1px solid rgba(201, 169, 110, 0.15);
}

.hero-art {
  position: relative;
  width: 80%;
  height: 80%;
  background:
    radial-gradient(ellipse at 50% 40%, #c9a96e 0%, transparent 60%),
    linear-gradient(180deg, #2a2a2a 0%, #0a0a0a 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-art-text {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  color: var(--color-champagne);
  text-align: center;
  line-height: 1.3;
  padding: var(--space-md);
}

.hero-meta {
  position: absolute;
  bottom: -1.5em;
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-between;
  font-family: var(--font-sans);
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-mist);
}

.scroll-indicator {
  position: absolute;
  bottom: var(--space-md);
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-sans);
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-fog);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.8em;
  z-index: 3;
}

.scroll-indicator::after {
  content: '';
  width: 1px;
  height: 40px;
  background: linear-gradient(180deg, var(--color-champagne), transparent);
  animation: scrollPulse 2s var(--ease) infinite;
}

@keyframes scrollPulse {
  0%, 100% { transform: scaleY(1); transform-origin: top; }
  50% { transform: scaleY(0.5); transform-origin: top; }
}

/* Section heading -------------------------------------------------------- */
.section-head {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  margin-bottom: var(--space-lg);
  max-width: 720px;
}

.section-head--center {
  align-items: center;
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

.section-head .eyebrow {
  margin-bottom: var(--space-sm);
  display: flex;
  align-items: center;
  gap: 1em;
}

.section-head .eyebrow .line {
  width: 40px;
  height: 1px;
  background-color: currentColor;
}

.section-head h2 {
  font-family: var(--font-jp);
  font-weight: 300;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  line-height: 1.4;
  margin-bottom: var(--space-sm);
}

.section-head h2 .en {
  display: block;
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 300;
  color: var(--color-champagne-deep);
  font-size: 0.7em;
  letter-spacing: 0.05em;
  margin-bottom: 0.3em;
}

.section-dark .section-head h2 .en {
  color: var(--color-champagne);
}

.section-head .lead {
  font-size: 1rem;
  line-height: 1.9;
  color: var(--color-text-muted);
}

/* Value Section ----------------------------------------------------------- */
.value-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.value-item {
  text-align: left;
}

.value-num {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 3rem;
  color: var(--color-champagne-deep);
  line-height: 1;
  margin-bottom: var(--space-sm);
  font-weight: 300;
}

.section-dark .value-num {
  color: var(--color-champagne);
}

.value-item h3 {
  font-family: var(--font-jp);
  font-size: 1.2rem;
  margin-bottom: var(--space-sm);
  font-weight: 500;
  letter-spacing: 0.05em;
}

.value-item p {
  color: var(--color-text-muted);
  line-height: 1.9;
  font-size: 0.95rem;
}

/* Type Showcase (1枚/2枚組/3枚組) ----------------------------------------- */
.type-showcase {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.type-card {
  position: relative;
  padding: var(--space-md);
  background-color: var(--color-charcoal);
  border: 1px solid var(--color-border-dark);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}

.type-card:hover {
  border-color: var(--color-champagne);
  transform: translateY(-4px);
}

.type-card.is-featured {
  border-color: var(--color-champagne);
  background:
    linear-gradient(180deg, var(--color-charcoal) 0%, #0d0d0d 100%);
}

.type-card.is-featured::before {
  content: 'MAIN';
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-family: var(--font-sans);
  font-size: 0.65rem;
  letter-spacing: 0.3em;
  color: var(--color-champagne);
  padding: 0.4em 0.8em;
  border: 1px solid var(--color-champagne);
}

.type-visual {
  display: flex;
  gap: 4px;
  align-items: center;
  justify-content: center;
  height: 220px;
  margin-bottom: var(--space-md);
  background:
    linear-gradient(180deg, #2a2a2a 0%, #1a1a1a 100%);
  padding: var(--space-md);
  position: relative;
}

.type-visual .frame {
  background:
    linear-gradient(135deg, #3a3a3a 0%, #1a1a1a 100%);
  border: 1px solid rgba(201, 169, 110, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-style: italic;
  color: var(--color-champagne);
  font-size: 0.7rem;
  height: 100%;
}

.type-visual.single .frame {
  width: 50%;
}

.type-visual.set2 .frame {
  width: 40%;
}

.type-visual.set3 .frame {
  width: 28%;
}

.type-visual.set3 .frame.center {
  height: 95%;
}

.type-visual.set3 .frame.side {
  height: 80%;
  opacity: 0.85;
}

.type-card h3 {
  font-family: var(--font-jp);
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
  color: var(--color-offwhite);
}

.type-card .type-en {
  font-family: var(--font-display);
  font-style: italic;
  color: var(--color-champagne);
  font-size: 0.95rem;
  margin-bottom: var(--space-sm);
}

.type-card p {
  color: var(--color-fog);
  font-size: 0.9rem;
  line-height: 1.8;
  margin-bottom: var(--space-sm);
  flex: 1;
}

.type-price {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--color-champagne);
  margin-top: auto;
  padding-top: var(--space-sm);
  border-top: 1px solid var(--color-border-dark);
}

/* Category Cards ---------------------------------------------------------- */
.category-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-sm);
}

.category-card {
  position: relative;
  aspect-ratio: 3/4;
  overflow: hidden;
  cursor: pointer;
  background-color: var(--color-charcoal);
}

.category-card-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform 0.8s var(--ease-out);
}

.category-card:hover .category-card-bg {
  transform: scale(1.05);
}

.category-card-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 30%, rgba(0,0,0,0.85) 100%);
}

.category-card-content {
  position: absolute;
  inset: 0;
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  color: var(--color-offwhite);
  z-index: 2;
}

.category-card h3 {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  font-size: 1.4rem;
  margin-bottom: 0.3em;
  color: var(--color-champagne);
}

.category-card .cat-jp {
  font-family: var(--font-jp);
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  margin-bottom: var(--space-sm);
}

.category-card .cat-arrow {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 0.5em;
  opacity: 0;
  transform: translateX(-10px);
  transition: all var(--transition);
}

.category-card:hover .cat-arrow {
  opacity: 1;
  transform: translateX(0);
}

/* Category background patterns */
.cat-bg-luxury {
  background:
    radial-gradient(circle at 30% 40%, rgba(201, 169, 110, 0.4) 0%, transparent 50%),
    radial-gradient(circle at 70% 70%, rgba(90, 26, 35, 0.3) 0%, transparent 50%),
    linear-gradient(135deg, #0a0a0a 0%, #2a2a2a 50%, #0a0a0a 100%);
}

.cat-bg-salon {
  background:
    radial-gradient(circle at 40% 30%, rgba(245, 235, 215, 0.6) 0%, transparent 50%),
    radial-gradient(circle at 70% 80%, rgba(201, 169, 110, 0.25) 0%, transparent 50%),
    linear-gradient(135deg, #f5f1ea 0%, #e8e4dd 50%, #d8d4cd 100%);
}

.cat-bg-salon .category-card-content { color: var(--color-deep); }
.cat-bg-salon h3 { color: var(--color-champagne-deep); }
.cat-bg-salon::after { background: linear-gradient(180deg, transparent 40%, rgba(255,255,255,0.6) 100%) !important; }

.cat-bg-hotel {
  background:
    radial-gradient(circle at 50% 50%, rgba(184, 181, 173, 0.3) 0%, transparent 60%),
    linear-gradient(180deg, #1a1a1a 0%, #2a2a2a 60%, #c8c4be 100%);
}

.cat-bg-relax {
  background:
    radial-gradient(circle at 50% 60%, rgba(201, 169, 110, 0.3) 0%, transparent 50%),
    linear-gradient(135deg, #1a2a1a 0%, #0d1a0d 50%, #1a1a1a 100%);
}

.cat-bg-office {
  background:
    linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 50%, #2a2a2a 100%);
}

.cat-bg-office::before {
  content: '';
  position: absolute;
  inset: 20%;
  border: 1px solid rgba(255,255,255,0.1);
}

/* Product Cards ----------------------------------------------------------- */
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md) var(--space-md);
}

.product-grid--filter {
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
}

.product-card {
  display: block;
  cursor: pointer;
  text-decoration: none;
  color: inherit;
}

.product-card-image {
  position: relative;
  aspect-ratio: 3/4;
  overflow: hidden;
  background-color: var(--color-bone);
  margin-bottom: var(--space-sm);
}

.product-card-image-inner {
  position: absolute;
  inset: 0;
  transition: transform 0.8s var(--ease-out);
}

.product-card:hover .product-card-image-inner {
  transform: scale(1.05);
}

.product-card-tag {
  position: absolute;
  top: 1rem;
  left: 1rem;
  font-family: var(--font-sans);
  font-size: 0.65rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  background-color: rgba(10,10,10,0.85);
  color: var(--color-paper);
  padding: 0.5em 0.9em;
  z-index: 2;
}

.product-card-tag.is-featured {
  background-color: var(--color-champagne-deep);
}

.product-card-tag.is-essential {
  background-color: #1a1a1a;
  color: var(--color-champagne);
  border: 1px solid var(--color-champagne-deep);
}

.product-card-info {
  padding: 0.5rem 0;
}

.product-card-cat {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 0.5em;
}

.product-card h3 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1.25rem;
  margin-bottom: 0.3em;
  letter-spacing: 0.02em;
  line-height: 1.3;
}

.product-card .product-jp {
  font-family: var(--font-jp);
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}

.product-card-foot {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding-top: var(--space-sm);
  border-top: 1px solid var(--color-border);
}

.product-card-price {
  font-family: var(--font-display);
  font-size: 1.3rem;
  letter-spacing: 0.01em;
  color: var(--color-text);
}

.product-card-meta {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

/* Generated product visuals */
.gen-visual {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.3rem;
  text-align: center;
  padding: var(--space-md);
  line-height: 1.4;
}

.gv-luxury {
  background:
    radial-gradient(ellipse at 50% 40%, #c9a96e 0%, transparent 60%),
    linear-gradient(180deg, #2a2a2a 0%, #0a0a0a 100%);
  color: var(--color-champagne);
}

.gv-salon {
  background:
    radial-gradient(ellipse at 50% 60%, rgba(201,169,110,0.4) 0%, transparent 60%),
    linear-gradient(180deg, #faf7f2 0%, #e8e4dd 100%);
  color: var(--color-champagne-deep);
}

.gv-hotel {
  background:
    radial-gradient(ellipse at 30% 70%, rgba(184,181,173,0.4) 0%, transparent 60%),
    linear-gradient(180deg, #1a1a1a 30%, #c8c4be 100%);
  color: var(--color-paper);
}

.gv-relax {
  background:
    radial-gradient(ellipse at 50% 50%, rgba(201,169,110,0.3) 0%, transparent 60%),
    linear-gradient(135deg, #1a2a1a 0%, #0d1a0d 100%);
  color: var(--color-champagne);
}

.gv-set3 {
  display: flex !important;
  gap: 4px;
  padding: 8% !important;
  background: #0a0a0a;
}

.gv-set3 .panel {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 0.8rem;
  background: linear-gradient(180deg, #2a2a2a 0%, #0a0a0a 100%);
  color: var(--color-champagne);
  border: 1px solid rgba(201,169,110,0.2);
}

.gv-set3 .panel.center {
  background:
    radial-gradient(ellipse at 50% 50%, #c9a96e 0%, transparent 60%),
    linear-gradient(180deg, #1a1a1a 0%, #0a0a0a 100%);
}

.gv-set2 {
  display: flex !important;
  gap: 4px;
  padding: 10% !important;
  background: #1a1a1a;
}

.gv-set2 .panel {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 0.85rem;
  border: 1px solid rgba(201,169,110,0.2);
}

.gv-custom {
  background:
    linear-gradient(135deg, #1a1a1a 0%, #2a2a2a 100%);
  color: var(--color-champagne);
}

.gv-custom::before {
  content: '';
  position: absolute;
  inset: 12%;
  border: 1px solid rgba(201,169,110,0.3);
}

/* Process Section --------------------------------------------------------- */
.process-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-sm);
  position: relative;
}

.process-grid::before {
  content: '';
  position: absolute;
  top: 30px;
  left: 5%;
  right: 5%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-champagne), transparent);
  z-index: 0;
}

.process-item {
  position: relative;
  text-align: center;
  z-index: 1;
}

.process-num {
  width: 60px;
  height: 60px;
  margin: 0 auto var(--space-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-paper);
  border: 1px solid var(--color-champagne-deep);
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.3rem;
  color: var(--color-champagne-deep);
}

.section-dark .process-num {
  background-color: var(--color-black);
  color: var(--color-champagne);
}

.process-item h4 {
  font-family: var(--font-jp);
  font-size: 1rem;
  margin-bottom: 0.5em;
  letter-spacing: 0.05em;
  font-weight: 500;
}

.process-item p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* Industry / Mockup section ---------------------------------------------- */
.industry-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

.industry-card {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
  background-color: var(--color-charcoal);
  cursor: pointer;
}

.industry-card-bg {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.8s var(--ease-out);
}

.industry-card:hover .industry-card-bg {
  transform: scale(1.03);
}

.industry-card-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 50%, rgba(0,0,0,0.7) 100%);
}

/* Mockup wall scene */
.mockup-scene {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  background: linear-gradient(180deg, var(--wall-color, #2a2a2a) 70%, var(--floor-color, #1a1a1a) 70%);
}

.mockup-frames {
  display: flex;
  gap: 3%;
  align-items: center;
  margin-bottom: 12%;
  width: 70%;
  height: 70%;
}

.mockup-frame {
  flex: 1;
  height: 80%;
  background: var(--art-color, linear-gradient(180deg, #1a1a1a, #0a0a0a));
  border: 8px solid var(--frame-color, #0a0a0a);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 0.7rem;
  color: var(--color-champagne);
  box-shadow: 0 10px 40px rgba(0,0,0,0.5);
}

.mockup-frame.center { height: 90%; }

.industry-card-content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-md);
  color: var(--color-offwhite);
  z-index: 2;
}

.industry-card h3 {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.5rem;
  color: var(--color-champagne);
  margin-bottom: 0.2em;
}

.industry-card .ind-jp {
  font-family: var(--font-jp);
  font-size: 0.95rem;
  letter-spacing: 0.05em;
  margin-bottom: 0.5em;
}

.industry-card p {
  font-size: 0.85rem;
  color: var(--color-fog);
  line-height: 1.7;
  max-width: 380px;
}

/* Industry mockup variants */
.scene-bar { --wall-color: #1a0a0e; --floor-color: #0a0a0a; --frame-color: #0a0a0a; --art-color: radial-gradient(ellipse at 50% 50%, #c9a96e 0%, #1a1a1a 70%); }
.scene-salon { --wall-color: #f5f1ea; --floor-color: #d8d4cd; --frame-color: #c9a96e; --art-color: radial-gradient(ellipse at 50% 50%, #faf7f2 0%, #c9a96e 100%); }
.scene-hotel { --wall-color: #2a2a2a; --floor-color: #0a0a0a; --frame-color: #1a1a1a; --art-color: radial-gradient(ellipse at 50% 70%, #c8c4be 0%, #1a1a1a 70%); }
.scene-relax { --wall-color: #1a2a1a; --floor-color: #0a1a0a; --frame-color: #0a0a0a; --art-color: radial-gradient(ellipse at 50% 60%, #c9a96e 0%, #1a2a1a 70%); }
.scene-office { --wall-color: #e8e4dd; --floor-color: #5a5a5a; --frame-color: #0a0a0a; --art-color: linear-gradient(135deg, #0a0a0a 0%, #5a5a5a 100%); }

/* FAQ ------------------------------------------------------------------- */
.faq-list {
  max-width: 880px;
  margin: 0 auto;
}

.faq-item {
  border-top: 1px solid var(--color-border);
}

.faq-item:last-child {
  border-bottom: 1px solid var(--color-border);
}

.section-dark .faq-item {
  border-top-color: var(--color-border-dark);
}

.section-dark .faq-item:last-child {
  border-bottom-color: var(--color-border-dark);
}

.faq-q {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-md) 0;
  font-family: var(--font-jp);
  font-size: 1.05rem;
  font-weight: 500;
  text-align: left;
  letter-spacing: 0.03em;
  cursor: pointer;
  transition: color var(--transition);
}

.faq-q:hover { color: var(--color-champagne-deep); }

.faq-q .faq-no {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 0.9rem;
  color: var(--color-champagne-deep);
  margin-right: 1em;
  flex-shrink: 0;
}

.faq-q .faq-icon {
  width: 20px;
  height: 20px;
  position: relative;
  flex-shrink: 0;
  margin-left: auto;
}

.faq-q .faq-icon::before,
.faq-q .faq-icon::after {
  content: '';
  position: absolute;
  background-color: currentColor;
  transition: transform var(--transition);
}

.faq-q .faq-icon::before {
  width: 100%;
  height: 1px;
  top: 50%;
  left: 0;
}

.faq-q .faq-icon::after {
  width: 1px;
  height: 100%;
  top: 0;
  left: 50%;
}

.faq-item.is-open .faq-q .faq-icon::after {
  transform: scaleY(0);
}

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s var(--ease);
}

.faq-item.is-open .faq-a {
  max-height: 500px;
}

.faq-a-inner {
  padding: 0 0 var(--space-md) 3.5em;
  color: var(--color-text-muted);
  line-height: 1.9;
  font-size: 0.95rem;
}

.section-dark .faq-a-inner {
  color: var(--color-fog);
}

/* CTA Banner ------------------------------------------------------------ */
.cta-banner {
  position: relative;
  padding: var(--space-2xl) var(--space-md);
  background-color: var(--color-black);
  color: var(--color-offwhite);
  text-align: center;
  overflow: hidden;
}

.cta-banner-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 50% 50%, rgba(201,169,110,0.15) 0%, transparent 60%),
    linear-gradient(180deg, var(--color-deep) 0%, var(--color-black) 100%);
}

.cta-banner-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(201,169,110,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201,169,110,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
}

.cta-banner-content {
  position: relative;
  z-index: 1;
  max-width: 720px;
  margin: 0 auto;
}

.cta-banner h2 {
  font-family: var(--font-jp);
  font-weight: 300;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  margin-bottom: var(--space-sm);
  line-height: 1.4;
}

.cta-banner h2 .accent {
  color: var(--color-champagne);
  font-family: var(--font-display);
  font-style: italic;
}

.cta-banner p {
  color: var(--color-fog);
  margin-bottom: var(--space-md);
  line-height: 1.9;
}

.cta-banner-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Footer --------------------------------------------------------------- */
.site-footer {
  background-color: var(--color-black);
  color: var(--color-fog);
  padding: var(--space-xl) 0 var(--space-md);
  border-top: 1px solid var(--color-border-dark);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.5rem;
  letter-spacing: 0.18em;
  color: var(--color-paper);
  margin-bottom: var(--space-sm);
}

.footer-tagline {
  font-family: var(--font-jp);
  font-size: 0.9rem;
  line-height: 1.9;
  color: var(--color-fog);
  margin-bottom: var(--space-md);
  max-width: 320px;
}

.footer-col h4 {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-champagne);
  margin-bottom: var(--space-sm);
  font-weight: 400;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 0.7em;
}

.footer-col a {
  font-size: 0.9rem;
  color: var(--color-fog);
  transition: color var(--transition);
  font-family: var(--font-jp-sans);
}

.footer-col a:hover {
  color: var(--color-champagne);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border-dark);
  font-family: var(--font-sans);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--color-mist);
}

.footer-legal {
  display: flex;
  gap: var(--space-md);
}

/* Filter Bar ----------------------------------------------------------- */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
  padding: var(--space-md);
  background-color: var(--color-bone);
  border: 1px solid var(--color-border);
}

.filter-group {
  flex: 1;
  min-width: 200px;
}

.filter-group label {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 0.5em;
}

.filter-group select {
  width: 100%;
  padding: 0.7em 1em;
  font-family: var(--font-jp-sans);
  font-size: 0.95rem;
  border: 1px solid var(--color-border);
  background-color: var(--color-paper);
  color: var(--color-text);
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'><path d='M2 4 L6 8 L10 4' stroke='%23141414' fill='none' stroke-width='1'/></svg>");
  background-repeat: no-repeat;
  background-position: right 1em center;
  background-size: 12px;
  padding-right: 2.5em;
}

.filter-results {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}

/* Forms ---------------------------------------------------------------- */
.form-section {
  background-color: var(--color-bone);
  padding: var(--space-lg);
  border: 1px solid var(--color-border);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-group--full {
  grid-column: 1 / -1;
}

.form-group label {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 0.7em;
}

.form-group label .required {
  color: var(--color-wine);
  margin-left: 0.3em;
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 1em;
  font-family: var(--font-jp-sans);
  font-size: 0.95rem;
  border: 1px solid var(--color-border);
  background-color: var(--color-paper);
  color: var(--color-text);
  transition: border-color var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-champagne-deep);
}

.form-group textarea {
  min-height: 140px;
  resize: vertical;
  font-family: var(--font-jp-sans);
}

.checkbox-group {
  display: flex;
  align-items: center;
  gap: 0.7em;
  font-size: 0.95rem;
}

.checkbox-group input {
  width: 18px;
  height: 18px;
  margin: 0;
}

.form-submit {
  margin-top: var(--space-md);
}

/* Notice -------------------------------------------------------------- */
.notice {
  padding: var(--space-md);
  background-color: var(--color-bone);
  border-left: 3px solid var(--color-champagne-deep);
  margin: var(--space-md) 0;
}

.notice h4 {
  font-family: var(--font-jp);
  font-size: 1rem;
  margin-bottom: 0.7em;
  font-weight: 500;
}

.notice ul {
  padding-left: 1.2em;
  list-style-type: disc;
  font-size: 0.9rem;
  line-height: 1.9;
  color: var(--color-text-muted);
}

.notice ul li {
  margin-bottom: 0.3em;
}

/* Page Header --------------------------------------------------------- */
.page-header {
  padding: calc(var(--header-height) + var(--space-xl)) 0 var(--space-xl);
  background-color: var(--color-black);
  color: var(--color-offwhite);
  position: relative;
  overflow: hidden;
}

.page-header-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 70% 30%, rgba(201, 169, 110, 0.12) 0%, transparent 60%),
    linear-gradient(180deg, var(--color-black) 0%, var(--color-deep) 100%);
}

.page-header-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 60px 60px;
}

.page-header-content {
  position: relative;
  z-index: 1;
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.breadcrumb {
  display: flex;
  gap: 0.5em;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-mist);
  margin-bottom: var(--space-md);
}

.breadcrumb a:hover { color: var(--color-champagne); }

.breadcrumb .sep { color: var(--color-stone); }

.page-title {
  font-family: var(--font-jp);
  font-weight: 300;
  font-size: clamp(2rem, 5vw, 3.5rem);
  line-height: 1.3;
  margin-bottom: var(--space-sm);
}

.page-title .en {
  display: block;
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 300;
  font-size: 0.5em;
  color: var(--color-champagne);
  letter-spacing: 0.05em;
  margin-bottom: 0.5em;
}

.page-lead {
  font-size: 1rem;
  line-height: 1.9;
  color: var(--color-fog);
  max-width: 640px;
}

/* Product Detail ------------------------------------------------------- */
.product-detail {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-lg);
  align-items: start;
}

.product-detail-images {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.product-detail-main {
  aspect-ratio: 3/4;
  background-color: var(--color-bone);
  position: relative;
  overflow: hidden;
}

.product-detail-mockup {
  aspect-ratio: 16/10;
  background-color: var(--color-charcoal);
  position: relative;
  overflow: hidden;
}

.product-detail-info h1 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  margin-bottom: 0.3em;
  line-height: 1.2;
}

.product-detail-jp {
  font-family: var(--font-jp);
  font-size: 1.05rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}

.product-detail-cat {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-champagne-deep);
  margin-bottom: var(--space-md);
}

.product-detail-price {
  font-family: var(--font-display);
  font-size: 2.2rem;
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-border);
}

.product-detail-desc {
  line-height: 1.9;
  color: var(--color-text);
  margin-bottom: var(--space-md);
  font-size: 0.95rem;
}

.product-detail-specs {
  margin-bottom: var(--space-md);
}

.spec-row {
  display: grid;
  grid-template-columns: 140px 1fr;
  padding: 0.8em 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.9rem;
}

.spec-row dt {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  align-self: center;
}

.spec-row dd { color: var(--color-text); }

.product-detail-actions {
  display: flex;
  flex-direction: column;
  gap: 0.8em;
  margin: var(--space-md) 0;
}

/* Blog ---------------------------------------------------------------- */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.blog-card {
  display: block;
  text-decoration: none;
  color: inherit;
}

.blog-card-image {
  aspect-ratio: 16/10;
  background-color: var(--color-bone);
  margin-bottom: var(--space-sm);
  overflow: hidden;
  position: relative;
}

.blog-card-image .gen-visual {
  font-size: 1rem;
}

.blog-card-meta {
  display: flex;
  gap: 1em;
  font-family: var(--font-sans);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 0.7em;
}

.blog-card h3 {
  font-family: var(--font-jp);
  font-size: 1.15rem;
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: 0.02em;
  transition: color var(--transition);
}

.blog-card:hover h3 { color: var(--color-champagne-deep); }

/* Floating LINE button ------------------------------------------------- */
.float-line {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 60px;
  height: 60px;
  background-color: #06c755;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  z-index: 90;
  box-shadow: 0 8px 24px rgba(6, 199, 85, 0.3);
  transition: all var(--transition);
}

.float-line:hover {
  transform: scale(1.05);
  box-shadow: 0 12px 32px rgba(6, 199, 85, 0.4);
}

.float-line svg { width: 28px; height: 28px; }

/* Animations ----------------------------------------------------------- */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.fade-up {
  animation: fadeUp 1s var(--ease-out) both;
}

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }
.delay-5 { animation-delay: 0.5s; }

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

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

/* ===================================================================
   RESPONSIVE - Mobile first 強化
   =================================================================== */

@media (max-width: 1024px) {
  :root {
    --space-xl: 4rem;
    --space-2xl: 6rem;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .value-grid,
  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .category-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .product-detail { grid-template-columns: 1fr; }
  .industry-grid { grid-template-columns: 1fr; }

  .process-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
  }

  .process-grid::before { display: none; }
}

@media (max-width: 768px) {
  :root {
    --header-height: var(--header-height-mobile);
    --space-md: 1.5rem;
    --space-lg: 3rem;
    --space-xl: 4rem;
    --space-2xl: 5rem;
  }

  .container,
  .container-wide,
  .header-inner {
    padding: 0 1.25rem;
  }

  /* Mobile menu */
  .nav-main {
    position: fixed;
    top: 0;
    right: 0;
    width: 100%;
    height: 100vh;
    background-color: var(--color-black);
    color: var(--color-offwhite);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: var(--space-md);
    transform: translateX(100%);
    transition: transform 0.5s var(--ease);
    padding: var(--space-xl) var(--space-md);
  }

  .nav-main.is-open {
    transform: translateX(0);
  }

  .nav-main a {
    font-size: 1rem;
    color: var(--color-offwhite);
  }

  .nav-cta {
    border-color: var(--color-champagne);
    color: var(--color-champagne);
  }

  .menu-toggle {
    display: flex;
  }

  .menu-toggle.is-open {
    color: var(--color-offwhite);
    position: fixed;
    top: 1rem;
    right: 1rem;
  }

  .logo { font-size: 1.05rem; }
  .logo-sub { display: none; }

  /* Hero */
  .hero { min-height: auto; padding: calc(var(--header-height) + var(--space-lg)) 0 var(--space-xl); }
  .hero-visual { aspect-ratio: 4/5; max-width: 380px; margin: 0 auto; }

  .hero-cta { gap: 0.8rem; }
  .hero-cta .btn { width: 100%; }

  /* Sections */
  .section { padding: var(--space-xl) 0; }

  .value-grid,
  .product-grid,
  .blog-grid,
  .type-showcase,
  .category-grid {
    grid-template-columns: 1fr;
  }

  .form-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: var(--space-md); }
  .footer-bottom { flex-direction: column; gap: 1em; text-align: center; }
  .footer-legal { flex-wrap: wrap; justify-content: center; }

  .spec-row { grid-template-columns: 100px 1fr; }

  .filter-bar { flex-direction: column; padding: var(--space-md) 1rem; }
  .filter-group { min-width: auto; }

  .scroll-indicator { display: none; }

  .cta-banner-buttons .btn { width: 100%; }

  .float-line {
    width: 52px;
    height: 52px;
    bottom: 16px;
    right: 16px;
  }

  .float-line svg { width: 24px; height: 24px; }
}

@media (max-width: 480px) {
  body { font-size: 15px; }

  .btn { padding: 1em 1.5em; font-size: 0.78rem; letter-spacing: 0.2em; }

  .product-card-foot { flex-direction: column; align-items: flex-start; gap: 0.5em; }
}

/* Print ---------------------------------------------------------------- */
@media print {
  .site-header, .float-line, .cta-banner { display: none; }
}

/* =====================================================================
   GALLERY PAGE
   ===================================================================== */
.gallery-section {
  padding: var(--space-xl) 0;
  background-color: var(--color-offwhite);
  color: var(--color-ink);
}

.gallery-section.gallery-dark {
  background-color: var(--color-black);
  color: var(--color-offwhite);
}

.gallery-section.gallery-dark .eyebrow { color: var(--color-champagne); }
.gallery-section.gallery-dark .gallery-section-head p { color: var(--color-fog); }
.gallery-section.gallery-dark .gallery-caption { color: var(--color-fog); }

.gallery-section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto var(--space-lg);
}

.gallery-section-head h2 {
  font-family: var(--font-jp);
  font-weight: 300;
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  letter-spacing: 0.05em;
  margin: var(--space-xs) 0 var(--space-sm);
}

.gallery-section-head p {
  font-size: 0.95rem;
  line-height: 1.9;
  color: var(--color-stone);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.gallery-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.gallery-item .mockup-scene {
  aspect-ratio: 4 / 3;
  width: 100%;
}

.gallery-caption {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-stone);
  text-align: center;
  padding-top: 0.5em;
}

.gallery-cta {
  text-align: center;
  margin-top: var(--space-md);
}

@media (max-width: 1024px) {
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .gallery-grid { grid-template-columns: 1fr; gap: var(--space-md); }
  .gallery-section { padding: var(--space-lg) 0; }
}

/* =====================================================================
   FAQ PAGE
   ===================================================================== */
.faq-page {
  padding: var(--space-xl) 0;
  background-color: var(--color-offwhite);
}

.faq-page-inner {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.faq-page .faq-list {
  margin-top: var(--space-lg);
}

.faq-page-cta {
  margin-top: var(--space-xl);
  padding: var(--space-lg);
  background-color: var(--color-black);
  color: var(--color-offwhite);
  text-align: center;
}

.faq-page-cta h3 {
  font-family: var(--font-jp);
  font-weight: 300;
  font-size: 1.5rem;
  margin-bottom: var(--space-sm);
}

.faq-page-cta p {
  color: var(--color-fog);
  margin-bottom: var(--space-md);
  font-size: 0.95rem;
}

/* =====================================================================
   CONTACT PAGE
   ===================================================================== */
.contact-page {
  padding: var(--space-xl) 0;
  background-color: var(--color-offwhite);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: var(--space-xl);
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.contact-info {
  position: sticky;
  top: 120px;
  align-self: start;
}

.contact-info h3 {
  font-family: var(--font-jp);
  font-weight: 400;
  font-size: 1.25rem;
  margin: var(--space-md) 0 var(--space-xs);
}

.contact-info p {
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--color-stone);
}

.contact-line-card {
  margin-top: var(--space-md);
  padding: var(--space-md);
  background-color: var(--color-black);
  color: var(--color-offwhite);
}

.contact-line-card h4 {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  font-size: 1.5rem;
  color: var(--color-champagne);
  margin-bottom: var(--space-xs);
}

.contact-line-card p {
  color: var(--color-fog);
  font-size: 0.85rem;
  margin-bottom: var(--space-md);
}

@media (max-width: 900px) {
  .contact-grid { grid-template-columns: 1fr; gap: var(--space-lg); }
  .contact-info { position: static; }
}

/* =====================================================================
   BLOG PAGE
   ===================================================================== */
.blog-page {
  padding: var(--space-xl) 0;
  background-color: var(--color-offwhite);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  max-width: var(--content-width);
  margin: var(--space-lg) auto 0;
  padding: 0 var(--space-md);
}

.blog-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-mist);
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

.blog-card:hover {
  border-color: var(--color-champagne);
  transform: translateY(-3px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.08);
}

.blog-card-img {
  aspect-ratio: 16 / 10;
  background:
    linear-gradient(135deg, rgba(0,0,0,0.5), rgba(0,0,0,0.2)),
    linear-gradient(45deg, var(--color-deep), var(--color-charcoal));
  position: relative;
  overflow: hidden;
}

.blog-card-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 30% 40%, rgba(201, 169, 110, 0.3) 0%, transparent 50%),
    radial-gradient(circle at 70% 70%, rgba(255,255,255,0.05) 0%, transparent 50%);
}

.blog-card-body {
  padding: var(--space-md);
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.75em;
}

.blog-card-meta {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-stone);
}

.blog-card-title {
  font-family: var(--font-jp-serif);
  font-weight: 400;
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--color-ink);
}

.blog-card-excerpt {
  font-size: 0.85rem;
  line-height: 1.8;
  color: var(--color-stone);
}

.blog-card-more {
  margin-top: auto;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-champagne);
  padding-top: 0.5em;
}

@media (max-width: 900px) { .blog-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .blog-grid { grid-template-columns: 1fr; } }

/* Blog Detail */
.blog-detail {
  padding: var(--space-xl) 0;
  background-color: var(--color-offwhite);
}

.blog-detail-inner {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.blog-detail-meta {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-stone);
  margin-bottom: var(--space-sm);
}

.blog-detail h1 {
  font-family: var(--font-jp-serif);
  font-weight: 400;
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  line-height: 1.5;
  margin-bottom: var(--space-md);
  color: var(--color-ink);
}

.blog-detail-hero {
  aspect-ratio: 16 / 9;
  margin-bottom: var(--space-md);
  background:
    linear-gradient(135deg, rgba(0,0,0,0.5), rgba(0,0,0,0.2)),
    linear-gradient(45deg, var(--color-deep), var(--color-charcoal));
}

.blog-detail-body p {
  font-size: 1rem;
  line-height: 2;
  color: var(--color-charcoal);
  margin-bottom: 1.5em;
}

.blog-detail-body h2 {
  font-family: var(--font-jp);
  font-weight: 500;
  font-size: 1.4rem;
  margin: 2em 0 0.8em;
  padding-left: 0.7em;
  border-left: 3px solid var(--color-champagne);
}

/* =====================================================================
   LEGAL / PRIVACY / TERMS PAGES
   ===================================================================== */
.legal-page {
  padding: var(--space-xl) 0;
  background-color: var(--color-offwhite);
}

.legal-inner {
  max-width: 820px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.legal-inner h2 {
  font-family: var(--font-jp);
  font-weight: 500;
  font-size: 1.25rem;
  margin: var(--space-lg) 0 var(--space-sm);
  padding-bottom: 0.5em;
  border-bottom: 1px solid var(--color-mist);
}

.legal-inner h3 {
  font-family: var(--font-jp);
  font-weight: 500;
  font-size: 1.05rem;
  margin: var(--space-md) 0 var(--space-xs);
  color: var(--color-ink);
}

.legal-inner p {
  font-size: 0.95rem;
  line-height: 1.95;
  color: var(--color-charcoal);
  margin-bottom: 1em;
}

.legal-inner ul, .legal-inner ol {
  margin: 0.5em 0 1.5em 1.5em;
}

.legal-inner ul li, .legal-inner ol li {
  font-size: 0.95rem;
  line-height: 1.95;
  color: var(--color-charcoal);
  margin-bottom: 0.4em;
  list-style: disc;
}

.legal-inner ol li { list-style: decimal; }

.legal-table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-sm) 0 var(--space-md);
}

.legal-table th, .legal-table td {
  padding: 1em 1.2em;
  text-align: left;
  border-bottom: 1px solid var(--color-mist);
  font-size: 0.92rem;
  vertical-align: top;
  line-height: 1.8;
}

.legal-table th {
  width: 30%;
  background-color: rgba(0,0,0,0.02);
  font-family: var(--font-jp);
  font-weight: 500;
  color: var(--color-ink);
  white-space: nowrap;
}

.legal-table td { color: var(--color-charcoal); }

.legal-note {
  margin-top: var(--space-lg);
  padding: var(--space-md);
  background-color: rgba(201, 169, 110, 0.08);
  border-left: 3px solid var(--color-champagne);
  font-size: 0.85rem;
  line-height: 1.85;
  color: var(--color-charcoal);
}

@media (max-width: 600px) {
  .legal-table { display: block; }
  .legal-table thead { display: none; }
  .legal-table tbody, .legal-table tr, .legal-table th, .legal-table td { display: block; width: 100%; }
  .legal-table th { padding-bottom: 0.3em; border-bottom: none; }
  .legal-table td { padding-top: 0.2em; padding-left: 1.2em; }
}

/* ==========================================================================
   実画像表示時のスタイル (.has-img)
   ========================================================================== */
.gen-visual.has-img {
  background: #f5f5f3;
  display: block;
  padding: 0;
}
.gen-visual.has-img > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.gen-visual.gv-set3.has-img,
.gen-visual.gv-set2.has-img {
  display: flex;
  gap: 4px;
  background: #f5f5f3;
  padding: 0;
}
.gen-visual.gv-set3.has-img .panel,
.gen-visual.gv-set2.has-img .panel {
  flex: 1;
  background: transparent;
  padding: 0;
  display: block;
  position: relative;
  overflow: hidden;
  color: transparent;
  font-size: 0;
}
.gen-visual.gv-set3.has-img .panel.center { flex: 1; }
.gen-visual.gv-set3.has-img .panel img,
.gen-visual.gv-set2.has-img .panel img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.mockup-scene.has-img {
  width: 100%;
  height: 100%;
  background: transparent;
  padding: 0;
  position: relative;
  overflow: hidden;
}
.mockup-scene.has-img > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ==========================================================================
   送料込み 注記 (フレーム商品など)
   ========================================================================== */
.price-note {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.55em;
  letter-spacing: 0.15em;
  color: var(--color-champagne-deep);
  margin-left: 0.5em;
  padding: 0.15em 0.5em;
  border: 1px solid var(--color-champagne-deep);
  vertical-align: middle;
  font-weight: 400;
}

.price-shipping-note {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.4em;
  letter-spacing: 0.18em;
  color: var(--color-champagne-deep);
  margin-left: 0.6em;
  padding: 0.25em 0.7em;
  border: 1px solid var(--color-champagne-deep);
  vertical-align: middle;
  font-weight: 500;
}