/* ============================================
   ROYAL FLUSH TABLE - Luxury Poker Brand
   Color Palette: Black, Gold, Dark Wood
   ============================================ */

:root {
  --black: #0a0a0a;
  --black-light: #111111;
  --black-mid: #1a1a1a;
  --black-soft: #222222;
  --gold: #C9A96E;
  --gold-light: #D4BA82;
  --gold-dark: #A8884D;
  --gold-pale: #E8D5A8;
  --white: #f5f0e8;
  --white-pure: #ffffff;
  --gray: #888888;
  --gray-dark: #555555;
  --darkwood: #2C1810;
  --darkwood-light: #3D261B;
  --font-display: 'Cinzel', 'Cormorant Garamond', serif;
  --font-body: 'Noto Sans JP', 'Cormorant Garamond', sans-serif;
  --font-accent: 'Cormorant Garamond', serif;
  --transition: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  overflow-x: hidden;
}

body {
  font-family: var(--font-body);
  background: var(--black);
  color: var(--white);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

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

ul {
  list-style: none;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
}

.sp-only {
  display: none;
}

/* === Loader === */
#loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--black);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.8s ease, visibility 0.8s ease;
}

#loader.hidden {
  opacity: 0;
  visibility: hidden;
}

.loader-inner {
  text-align: center;
}

.loader-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  margin-bottom: 40px;
}

.loader-icon {
  font-size: 48px;
  color: var(--gold);
  animation: pulse 1.5s ease-in-out infinite;
}

.loader-text {
  font-family: var(--font-display);
  font-size: 24px;
  letter-spacing: 8px;
  color: var(--gold);
}

.loader-bar {
  width: 200px;
  height: 1px;
  background: rgba(201, 169, 110, 0.2);
  border-radius: 1px;
  overflow: hidden;
}

.loader-bar-fill {
  width: 0%;
  height: 100%;
  background: var(--gold);
  animation: loadBar 2s var(--transition) forwards;
}

@keyframes loadBar {
  to { width: 100%; }
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.95); }
}

/* === Navigation === */
#header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 20px 0;
  transition: all 0.4s ease;
}

#header.scrolled {
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(20px);
  padding: 12px 0;
  border-bottom: 1px solid rgba(201, 169, 110, 0.1);
}

.nav {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  transition: opacity 0.3s ease;
}

.nav-logo:hover {
  opacity: 0.8;
}

.nav-logo-icon {
  font-size: 24px;
  color: var(--gold);
}

.nav-logo-text {
  font-family: var(--font-display);
  font-size: 16px;
  letter-spacing: 4px;
  color: var(--gold);
  font-weight: 500;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-menu a {
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 3px;
  color: var(--white);
  position: relative;
  padding: 4px 0;
  transition: color 0.3s ease;
}

.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--gold);
  transition: width 0.3s ease;
}

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

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

.nav-cta {
  background: transparent;
  border: 1px solid var(--gold) !important;
  padding: 10px 24px !important;
  color: var(--gold) !important;
  transition: all 0.3s ease !important;
}

.nav-cta:hover {
  background: var(--gold) !important;
  color: var(--black) !important;
}

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

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 1px;
  background: var(--gold);
  transition: all 0.3s ease;
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(4px, 4px);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(4px, -4px);
}

/* === Hero (Cinematic) === */
#hero {
  position: relative;
  height: 100vh;
  min-height: 750px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: #000;
}

/* 背景画像 */
.hero-img-wrap {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
  filter: brightness(0.45) contrast(1.2) saturate(0.75);
  animation: heroImgZoom 20s ease-in-out infinite alternate;
}

@keyframes heroImgZoom {
  0% { transform: scale(1); }
  100% { transform: scale(1.08); }
}

/* カード散らしエフェクト */
.hero-cards-fx {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  overflow: hidden;
}

.flying-card {
  position: absolute;
  width: 44px;
  height: 62px;
  background: linear-gradient(135deg, #fff 0%, #e8e0d0 100%);
  border-radius: 4px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5), 0 0 8px rgba(201, 169, 110, 0.15);
  opacity: 0;
  will-change: transform, opacity;
  animation: cardFly var(--card-duration) var(--card-delay) cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

.flying-card::before {
  content: '';
  position: absolute;
  inset: 3px;
  border: 1px solid rgba(201, 169, 110, 0.25);
  border-radius: 2px;
}

.flying-card::after {
  content: var(--card-suit);
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 18px;
  color: var(--card-color);
  opacity: 0.7;
}

@keyframes cardFly {
  0% {
    opacity: 0;
    transform:
      translate(var(--card-start-x), var(--card-start-y))
      rotate(var(--card-start-rot))
      scale(0.3);
  }
  15% {
    opacity: 0.7;
  }
  60% {
    opacity: 0.5;
  }
  100% {
    opacity: 0;
    transform:
      translate(var(--card-end-x), var(--card-end-y))
      rotate(var(--card-end-rot))
      scale(var(--card-end-scale));
  }
}

/* 連続的にカードが舞い続けるアニメーション */
.flying-card.looping {
  animation: cardFlyLoop var(--card-duration) var(--card-delay) cubic-bezier(0.25, 0.46, 0.45, 0.94) infinite;
}

@keyframes cardFlyLoop {
  0% {
    opacity: 0;
    transform:
      translate(var(--card-start-x), var(--card-start-y))
      rotate(var(--card-start-rot))
      scale(0.3);
  }
  10% {
    opacity: 0.55;
  }
  70% {
    opacity: 0.3;
  }
  100% {
    opacity: 0;
    transform:
      translate(var(--card-end-x), var(--card-end-y))
      rotate(var(--card-end-rot))
      scale(var(--card-end-scale));
  }
}

/* オーバーレイ（映画的グラデーション） */
.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(to bottom, rgba(0,0,0,0.6) 0%, rgba(0,0,0,0.15) 40%, rgba(0,0,0,0.2) 60%, rgba(0,0,0,0.85) 100%),
    linear-gradient(to right, rgba(0,0,0,0.4) 0%, transparent 30%, transparent 70%, rgba(0,0,0,0.4) 100%);
}

/* ビネット */
.hero-vignette {
  position: absolute;
  inset: 0;
  z-index: 1;
  box-shadow: inset 0 0 200px 60px rgba(0, 0, 0, 0.7);
  pointer-events: none;
}

/* フィルムグレイン */
.hero-grain {
  position: absolute;
  inset: 0;
  z-index: 2;
  opacity: 0.035;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 128px;
}

/* スポットライト */
.hero-spotlight {
  position: absolute;
  top: -10%;
  left: 50%;
  transform: translateX(-50%);
  width: 80%;
  height: 70%;
  z-index: 1;
  background: radial-gradient(ellipse at center, rgba(201, 169, 110, 0.06) 0%, transparent 70%);
  pointer-events: none;
  animation: spotlightBreath 6s ease-in-out infinite alternate;
}

@keyframes spotlightBreath {
  0% { opacity: 0.6; transform: translateX(-50%) scale(1); }
  100% { opacity: 1; transform: translateX(-50%) scale(1.05); }
}

/* コンテンツ */
.hero-content {
  position: relative;
  z-index: 5;
  text-align: center;
  padding: 0 24px;
  max-width: 900px;
}

/* フェードアップアニメーション */
.fade-up {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              transform 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ブランドタグ */
.hero-tag {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-bottom: 40px;
}

.hero-tag-line {
  display: block;
  width: 40px;
  height: 1px;
  background: var(--gold);
  opacity: 0.4;
}

.hero-tag-text {
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 8px;
  color: var(--gold);
  opacity: 0.85;
}

/* メインコピー */
.hero-title {
  font-family: var(--font-display);
  line-height: 1.15;
  margin-bottom: 28px;
}

.hero-title-line {
  display: block;
  font-size: clamp(36px, 6.5vw, 76px);
  font-weight: 400;
  letter-spacing: 3px;
  color: var(--white-pure);
  text-shadow: 0 2px 40px rgba(0, 0, 0, 0.5);
}

.hero-title-line em {
  font-family: var(--font-accent);
  font-style: italic;
  font-weight: 300;
  color: var(--gold);
  text-shadow: 0 0 60px rgba(201, 169, 110, 0.3);
}

/* 日本語コピー */
.hero-copy-jp {
  font-family: var(--font-body);
  font-size: clamp(15px, 2vw, 20px);
  font-weight: 300;
  letter-spacing: 6px;
  color: rgba(245, 240, 232, 0.85);
  margin-bottom: 36px;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.4);
}

/* セパレーター */
.hero-separator {
  width: 50px;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--gold), transparent);
  margin: 0 auto 36px;
  opacity: 0.6;
}

/* サブコピー */
.hero-sub-copy {
  margin-bottom: 48px;
}

.hero-sub-en {
  display: block;
  font-family: var(--font-accent);
  font-size: clamp(13px, 1.5vw, 16px);
  font-style: italic;
  letter-spacing: 3px;
  color: rgba(201, 169, 110, 0.7);
  margin-bottom: 8px;
}

.hero-sub-jp {
  display: block;
  font-size: 13px;
  letter-spacing: 3px;
  color: rgba(245, 240, 232, 0.5);
  font-weight: 300;
}

/* CTA */
.hero-cta {
  display: flex;
  gap: 20px;
  justify-content: center;
  align-items: center;
}

.btn-gold-hero {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 2px;
  padding: 18px 48px;
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: var(--black);
  border: none;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: all 0.4s var(--transition);
}

.btn-gold-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.25), transparent);
  transition: left 0.6s ease;
}

.btn-gold-hero:hover::before {
  left: 100%;
}

.btn-gold-hero:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 40px rgba(201, 169, 110, 0.35);
}

.btn-ghost {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 4px;
  padding: 18px 40px;
  color: rgba(245, 240, 232, 0.6);
  border: 1px solid rgba(245, 240, 232, 0.15);
  cursor: pointer;
  transition: all 0.4s var(--transition);
  background: transparent;
}

.btn-ghost:hover {
  border-color: var(--gold);
  color: var(--gold);
  transform: translateY(-2px);
}

/* スクロールインジケーター */
.hero-scroll-indicator {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 5;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.hero-scroll-mouse {
  width: 20px;
  height: 32px;
  border: 1px solid rgba(201, 169, 110, 0.35);
  border-radius: 10px;
  display: flex;
  justify-content: center;
  padding-top: 6px;
}

.hero-scroll-dot {
  width: 2px;
  height: 6px;
  background: var(--gold);
  border-radius: 1px;
  animation: scrollDot 2s ease-in-out infinite;
}

@keyframes scrollDot {
  0%, 100% { opacity: 1; transform: translateY(0); }
  50% { opacity: 0.3; transform: translateY(10px); }
}

.hero-scroll-text {
  font-family: var(--font-display);
  font-size: 9px;
  letter-spacing: 4px;
  color: var(--gold);
  opacity: 0.4;
}

/* === Buttons === */
.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 2px;
  padding: 16px 40px;
  border: none;
  cursor: pointer;
  transition: all 0.4s var(--transition);
  text-align: center;
}

.btn-gold {
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: var(--black);
  position: relative;
  overflow: hidden;
}

.btn-gold::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.6s ease;
}

.btn-gold:hover::before {
  left: 100%;
}

.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(201, 169, 110, 0.3);
}

.btn-outline {
  background: transparent;
  border: 1px solid rgba(245, 240, 232, 0.3);
  color: var(--white);
}

.btn-outline:hover {
  border-color: var(--gold);
  color: var(--gold);
  transform: translateY(-2px);
}

.btn-full {
  width: 100%;
}

.link-gold {
  font-size: 13px;
  color: var(--gold);
  letter-spacing: 1px;
  transition: all 0.3s ease;
  display: inline-block;
}

.link-gold:hover {
  color: var(--gold-light);
  transform: translateX(4px);
}

/* === Sections === */
.section {
  padding: 120px 0;
  position: relative;
}

.section-dark {
  background: var(--black-light);
}

.section-header {
  text-align: center;
  margin-bottom: 80px;
}

.section-label {
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 6px;
  color: var(--gold);
  display: block;
  margin-bottom: 20px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 42px);
  font-weight: 400;
  letter-spacing: 3px;
  color: var(--white);
  line-height: 1.4;
}

.section-title.left {
  text-align: left;
}

.section-subtitle {
  font-size: 14px;
  color: var(--gray);
  margin-top: 16px;
  letter-spacing: 1px;
}

.gold-divider {
  width: 60px;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--gold), transparent);
  margin: 24px auto 0;
}

.gold-divider.left {
  margin-left: 0;
}

/* === Concept === */
.concept-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-bottom: 80px;
}

.concept-card {
  text-align: center;
  padding: 48px 32px;
  background: linear-gradient(145deg, rgba(26, 26, 26, 0.8), rgba(17, 17, 17, 0.8));
  border: 1px solid rgba(201, 169, 110, 0.1);
  transition: all 0.5s var(--transition);
}

.concept-card:hover {
  border-color: rgba(201, 169, 110, 0.3);
  transform: translateY(-8px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.concept-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 24px;
  color: var(--gold);
}

.concept-icon svg {
  width: 100%;
  height: 100%;
}

.concept-card h3 {
  font-family: var(--font-display);
  font-size: 18px;
  letter-spacing: 6px;
  color: var(--gold);
  margin-bottom: 16px;
  font-weight: 400;
}

.concept-card p {
  font-size: 14px;
  color: var(--gray);
  line-height: 1.8;
}

.concept-statement {
  text-align: center;
  padding: 60px 40px;
  border-top: 1px solid rgba(201, 169, 110, 0.15);
  border-bottom: 1px solid rgba(201, 169, 110, 0.15);
}

.concept-statement blockquote {
  font-family: var(--font-accent);
  font-size: clamp(18px, 2.5vw, 26px);
  font-style: italic;
  color: var(--gold-pale);
  line-height: 2;
  font-weight: 300;
}

/* === Category Tabs === */
.category-tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.category-tab {
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 3px;
  padding: 12px 28px;
  background: transparent;
  border: 1px solid rgba(201, 169, 110, 0.2);
  color: var(--gray);
  cursor: pointer;
  transition: all 0.4s var(--transition);
}

.category-tab:hover {
  border-color: rgba(201, 169, 110, 0.5);
  color: var(--gold);
}

.category-tab.active {
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  border-color: var(--gold);
  color: var(--black);
}

.products-grid-all {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.product-card-cat {
  font-family: var(--font-display);
  font-size: 10px;
  letter-spacing: 3px;
  color: var(--gold);
  opacity: 0.7;
  display: block;
  margin-bottom: 6px;
}

/* 実商品画像 */
.product-img-real {
  overflow: hidden;
  background: #ffffff;
  border-bottom: 1px solid rgba(201, 169, 110, 0.1);
}

.product-img-real.small {
  aspect-ratio: 1;
}

.product-img-real img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 0.6s var(--transition);
}

.product-card:hover .product-img-real img {
  transform: scale(1.05);
}

/* Product card hide/show for filtering */
.product-card.card-hidden {
  display: none !important;
}

/* === Products === */
.product-featured-visual {
  position: relative;
}

.product-img-placeholder {
  aspect-ratio: 4/3;
  background: linear-gradient(145deg, var(--black-mid), var(--darkwood));
  border: 1px solid rgba(201, 169, 110, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.product-img-placeholder::before {
  content: '';
  position: absolute;
  inset: 8px;
  border: 1px solid rgba(201, 169, 110, 0.08);
}

.product-img-placeholder.small {
  aspect-ratio: 1;
}

.placeholder-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  opacity: 0.6;
}

.placeholder-inner svg {
  width: 60%;
  max-width: 180px;
}

.placeholder-inner span {
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 4px;
  color: var(--gold);
}

.product-badge {
  position: absolute;
  top: 20px;
  right: 20px;
  background: var(--gold);
  color: var(--black);
  font-family: var(--font-display);
  font-size: 10px;
  letter-spacing: 3px;
  padding: 6px 16px;
}

.product-category {
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 4px;
  color: var(--gold);
  display: block;
  margin-bottom: 12px;
}

.product-featured-info h3 {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 400;
  letter-spacing: 3px;
  margin-bottom: 20px;
}

.product-desc {
  font-size: 14px;
  color: var(--gray);
  line-height: 2;
  margin-bottom: 28px;
}

.product-features {
  margin-bottom: 28px;
}

.product-features li {
  font-size: 13px;
  color: rgba(245, 240, 232, 0.8);
  padding: 8px 0;
  padding-left: 20px;
  position: relative;
  border-bottom: 1px solid rgba(201, 169, 110, 0.06);
}

.product-features li::before {
  content: '◆';
  position: absolute;
  left: 0;
  color: var(--gold);
  font-size: 8px;
  top: 11px;
}

.product-price {
  font-family: var(--font-display);
  font-size: 28px;
  color: var(--gold);
  margin-bottom: 28px;
  letter-spacing: 2px;
}

.product-price span {
  font-size: 14px;
  color: var(--gray);
  font-family: var(--font-body);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.product-card {
  display: block;
  background: linear-gradient(145deg, rgba(26, 26, 26, 0.6), rgba(17, 17, 17, 0.6));
  border: 1px solid rgba(201, 169, 110, 0.1);
  overflow: hidden;
  transition: all 0.5s var(--transition);
}

.product-card:hover {
  border-color: rgba(201, 169, 110, 0.3);
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4);
}

.product-card-info {
  padding: 28px;
}

.product-card-info h4 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 400;
  letter-spacing: 2px;
  margin-bottom: 12px;
}

.product-card-info p {
  font-size: 13px;
  color: var(--gray);
  line-height: 1.8;
  margin-bottom: 16px;
}

.product-price-sm {
  font-family: var(--font-display);
  font-size: 20px;
  color: var(--gold) !important;
  margin-bottom: 12px !important;
  letter-spacing: 1px;
}

.product-price-sm span {
  font-size: 12px;
  color: var(--gray);
  font-family: var(--font-body);
}

/* === Custom Order === */
.custom-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.custom-img-placeholder {
  aspect-ratio: 3/2;
  background: linear-gradient(145deg, var(--black-mid), var(--darkwood));
  border: 1px solid rgba(201, 169, 110, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.custom-img-placeholder::before {
  content: '';
  position: absolute;
  inset: 12px;
  border: 1px solid rgba(201, 169, 110, 0.08);
}

.custom-img-placeholder .placeholder-inner svg {
  width: 70%;
  max-width: 240px;
}

.custom-desc {
  font-size: 15px;
  color: var(--gray);
  line-height: 2;
  margin-bottom: 40px;
}

.custom-options {
  margin-bottom: 40px;
}

.custom-option {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  padding: 20px 0;
  border-bottom: 1px solid rgba(201, 169, 110, 0.08);
}

.custom-option:first-child {
  border-top: 1px solid rgba(201, 169, 110, 0.08);
}

.custom-option-num {
  font-family: var(--font-display);
  font-size: 24px;
  color: var(--gold);
  opacity: 0.4;
  min-width: 36px;
  font-weight: 300;
}

.custom-option h4 {
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 4px;
  letter-spacing: 1px;
}

.custom-option p {
  font-size: 13px;
  color: var(--gray);
  line-height: 1.6;
}

/* === Cases === */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}

.case-card {
  background: linear-gradient(145deg, rgba(26, 26, 26, 0.6), rgba(17, 17, 17, 0.6));
  border: 1px solid rgba(201, 169, 110, 0.1);
  overflow: hidden;
  transition: all 0.5s var(--transition);
}

.case-card:hover {
  border-color: rgba(201, 169, 110, 0.25);
  transform: translateY(-4px);
}

.case-visual {
  aspect-ratio: 16/9;
  overflow: hidden;
}

.case-img-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(145deg, var(--darkwood), var(--black-mid));
  display: flex;
  align-items: center;
  justify-content: center;
}

.case-img-placeholder span {
  font-family: var(--font-display);
  font-size: 14px;
  letter-spacing: 6px;
  color: var(--gold);
  opacity: 0.4;
}

.case-info {
  padding: 28px;
}

.case-category {
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--gold);
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-display);
}

.case-info h4 {
  font-size: 16px;
  font-weight: 500;
  margin-bottom: 12px;
  letter-spacing: 1px;
}

.case-info p {
  font-size: 13px;
  color: var(--gray);
  line-height: 1.8;
}

/* === Stats === */
.stats-section {
  background:
    linear-gradient(135deg, rgba(44, 24, 16, 0.3), transparent),
    var(--black);
  border-top: 1px solid rgba(201, 169, 110, 0.1);
  border-bottom: 1px solid rgba(201, 169, 110, 0.1);
  padding: 80px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  text-align: center;
}

.stat-number {
  font-family: var(--font-display);
  font-size: clamp(36px, 4vw, 56px);
  color: var(--gold);
  font-weight: 300;
  line-height: 1;
}

.stat-unit {
  font-family: var(--font-display);
  font-size: 16px;
  color: var(--gold);
  opacity: 0.7;
  margin-top: 4px;
}

.stat-label {
  font-size: 13px;
  color: var(--gray);
  margin-top: 8px;
  letter-spacing: 1px;
}

/* === FAQ === */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid rgba(201, 169, 110, 0.1);
}

.faq-item:first-child {
  border-top: 1px solid rgba(201, 169, 110, 0.1);
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  color: var(--white);
  font-family: var(--font-body);
  font-size: 15px;
  text-align: left;
  letter-spacing: 0.5px;
  transition: color 0.3s ease;
}

.faq-question:hover {
  color: var(--gold);
}

.faq-toggle {
  font-size: 24px;
  color: var(--gold);
  transition: transform 0.3s ease;
  min-width: 24px;
  text-align: center;
}

.faq-item.active .faq-toggle {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s var(--transition), padding 0.4s var(--transition);
}

.faq-item.active .faq-answer {
  max-height: 200px;
  padding-bottom: 24px;
}

.faq-answer p {
  font-size: 14px;
  color: var(--gray);
  line-height: 1.8;
  padding-left: 0;
}

/* === Contact === */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
  align-items: start;
}

.contact-desc {
  font-size: 15px;
  color: var(--gray);
  line-height: 2;
  margin-bottom: 40px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-detail {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.contact-detail-icon {
  font-size: 20px;
  color: var(--gold);
  min-width: 32px;
  text-align: center;
  padding-top: 2px;
}

.contact-detail-label {
  display: block;
  font-size: 11px;
  letter-spacing: 1px;
  color: var(--gray);
  margin-bottom: 2px;
}

.contact-detail-value {
  display: block;
  font-size: 16px;
  letter-spacing: 1px;
}

.contact-detail-note {
  display: block;
  font-size: 12px;
  color: var(--gray);
  margin-top: 2px;
}

.contact-form-wrap {
  background: linear-gradient(145deg, var(--black-mid), var(--black-light));
  border: 1px solid rgba(201, 169, 110, 0.15);
  padding: 48px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 13px;
  letter-spacing: 0.5px;
  color: rgba(245, 240, 232, 0.8);
}

.required {
  font-size: 10px;
  color: var(--gold);
  margin-left: 4px;
}

.form-group input,
.form-group select,
.form-group textarea {
  background: rgba(10, 10, 10, 0.6);
  border: 1px solid rgba(201, 169, 110, 0.15);
  padding: 14px 16px;
  color: var(--white);
  font-family: var(--font-body);
  font-size: 14px;
  transition: border-color 0.3s ease;
  border-radius: 0;
  -webkit-appearance: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(136, 136, 136, 0.5);
}

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

.form-group select {
  cursor: pointer;
}

.form-group select option {
  background: var(--black);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-privacy {
  display: flex;
  align-items: center;
  gap: 8px;
}

.form-privacy label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--gray);
  cursor: pointer;
}

.form-privacy input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--gold);
}

/* === CTA === */
.cta-section {
  padding: 100px 0;
  background:
    linear-gradient(135deg, rgba(201, 169, 110, 0.05), transparent),
    linear-gradient(to right, var(--darkwood), var(--black));
}

.cta-inner {
  text-align: center;
}

.cta-inner h2 {
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 400;
  letter-spacing: 3px;
  margin-bottom: 16px;
}

.cta-inner p {
  font-size: 14px;
  color: var(--gray);
  margin-bottom: 40px;
  letter-spacing: 1px;
}

.cta-actions {
  display: flex;
  gap: 20px;
  justify-content: center;
}

/* === Footer === */
.footer {
  background: var(--black);
  border-top: 1px solid rgba(201, 169, 110, 0.1);
  padding: 60px 0 0;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  gap: 60px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(201, 169, 110, 0.06);
}

.footer-brand {
  flex-shrink: 0;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.footer-tagline {
  font-family: var(--font-accent);
  font-size: 13px;
  font-style: italic;
  color: var(--gray);
  letter-spacing: 2px;
}

.footer-links {
  display: flex;
  gap: 60px;
}

.footer-col h4 {
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 4px;
  color: var(--gold);
  margin-bottom: 16px;
  font-weight: 400;
}

.footer-col li {
  margin-bottom: 8px;
}

.footer-col a {
  font-size: 13px;
  color: var(--gray);
  transition: color 0.3s ease;
}

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

.footer-bottom {
  padding: 20px 0;
  text-align: center;
}

.footer-bottom p {
  font-size: 12px;
  color: var(--gray-dark);
  letter-spacing: 2px;
}

/* === Reveal Animation === */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s var(--transition), transform 0.8s var(--transition);
}

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

/* === Responsive === */
@media (max-width: 1024px) {
  .container {
    padding: 0 24px;
  }

  .concept-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .product-featured {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

  .custom-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .contact-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

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

  .footer-top {
    flex-direction: column;
  }
}

@media (max-width: 768px) {
  .sp-only {
    display: inline;
  }

  .section {
    padding: 80px 0;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: rgba(10, 10, 10, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 28px;
    transition: right 0.5s var(--transition);
    border-left: 1px solid rgba(201, 169, 110, 0.1);
  }

  .nav-menu.active {
    right: 0;
  }

  .nav-menu a {
    font-size: 14px;
  }

  .hero-cta {
    flex-direction: column;
    gap: 12px;
    align-items: center;
  }

  .hero-tag-line {
    width: 24px;
  }

  .hero-tag-text {
    font-size: 9px;
    letter-spacing: 5px;
  }

  .products-grid-all {
    grid-template-columns: 1fr;
  }

  .category-tabs {
    gap: 6px;
  }

  .category-tab {
    padding: 10px 16px;
    font-size: 10px;
    letter-spacing: 2px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .contact-form-wrap {
    padding: 28px;
  }

  .cta-actions {
    flex-direction: column;
    align-items: center;
  }

  .footer-links {
    flex-direction: column;
    gap: 28px;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }

  .concept-statement blockquote {
    font-size: 18px;
  }

  .product-price {
    font-size: 24px;
  }
}

@media (max-width: 480px) {
  html {
    font-size: 14px;
  }

  .container {
    padding: 0 16px;
  }

  .section-header {
    margin-bottom: 48px;
  }

  .nav-logo-text {
    font-size: 12px;
    letter-spacing: 2px;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }
}

/* === カートボタン === */
.product-buy {
  margin-top: 36px;
}
.btn-buy {
  display: block;
  width: 100%;
  padding: 20px 24px;
  background: linear-gradient(135deg, #C9A96E 0%, #D4BA82 40%, #A8884D 100%);
  color: #0a0a0a;
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 3px;
  text-align: center;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(201, 169, 110, 0.3);
}
.btn-buy:hover {
  background: linear-gradient(135deg, #D4BA82 0%, #E8D5A8 40%, #C9A96E 100%);
  box-shadow: 0 6px 30px rgba(201, 169, 110, 0.5);
  transform: translateY(-2px);
}
.btn-buy:active {
  transform: translateY(0);
  box-shadow: 0 2px 10px rgba(201, 169, 110, 0.3);
}
@media (max-width: 768px) {
  .btn-buy {
    font-size: 16px;
    padding: 18px 20px;
    letter-spacing: 2px;
  }
}
.btn-buy-sm {
  display: block;
  width: 100%;
  padding: 12px 16px;
  background: linear-gradient(135deg, #C9A96E 0%, #D4BA82 40%, #A8884D 100%);
  color: #0a0a0a;
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 2px;
  text-align: center;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  margin-top: 16px;
  box-shadow: 0 2px 12px rgba(201, 169, 110, 0.25);
}
.btn-buy-sm:hover {
  background: linear-gradient(135deg, #D4BA82 0%, #E8D5A8 40%, #C9A96E 100%);
  box-shadow: 0 4px 20px rgba(201, 169, 110, 0.4);
  transform: translateY(-1px);
}

/* === チェックアウト・決済ページ === */
.checkout-section {
  padding: 140px 0 100px;
  min-height: 100vh;
}
.checkout-section h1 {
  font-family: 'Cinzel', serif;
  font-size: 32px;
  font-weight: 500;
  color: var(--white);
  letter-spacing: 2px;
  margin-bottom: 12px;
}
.checkout-section .section-sub {
  font-size: 14px;
  color: rgba(245,240,232,0.5);
  margin-bottom: 48px;
}
.checkout-product-summary {
  background: linear-gradient(145deg, rgba(26,26,26,0.8), rgba(10,10,10,0.9));
  border: 1px solid rgba(201,169,110,0.15);
  padding: 28px 32px;
  margin-bottom: 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.checkout-product-summary .product-name {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 18px;
  font-weight: 500;
  color: var(--white);
}
.checkout-product-summary .product-price {
  font-family: 'Cinzel', serif;
  font-size: 28px;
  font-weight: 600;
  color: var(--gold);
}
.checkout-form {
  max-width: 640px;
}
.checkout-form .form-group {
  margin-bottom: 24px;
}
.checkout-form label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--gold);
  letter-spacing: 1px;
  margin-bottom: 8px;
}
.checkout-form label .required {
  color: #e74c3c;
  font-size: 11px;
  margin-left: 6px;
}
.checkout-form input[type="text"],
.checkout-form input[type="email"],
.checkout-form input[type="tel"],
.checkout-form textarea {
  width: 100%;
  padding: 14px 16px;
  background: rgba(26,26,26,0.6);
  border: 1px solid rgba(201,169,110,0.2);
  color: var(--white);
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 15px;
  transition: border-color 0.3s ease;
  box-sizing: border-box;
}
.checkout-form input:focus,
.checkout-form textarea:focus {
  outline: none;
  border-color: var(--gold);
}
.checkout-form .form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.checkout-form .btn-submit {
  display: block;
  width: 100%;
  padding: 20px 24px;
  background: linear-gradient(135deg, #C9A96E 0%, #D4BA82 40%, #A8884D 100%);
  color: #0a0a0a;
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 3px;
  text-align: center;
  border: none;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  margin-top: 40px;
  box-shadow: 0 4px 20px rgba(201, 169, 110, 0.3);
}
.checkout-form .btn-submit:hover {
  background: linear-gradient(135deg, #D4BA82 0%, #E8D5A8 40%, #C9A96E 100%);
  box-shadow: 0 6px 30px rgba(201, 169, 110, 0.5);
  transform: translateY(-2px);
}
.payment-message {
  text-align: center;
  padding: 80px 0;
}
.payment-message h2 {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 24px;
  font-weight: 500;
  color: var(--white);
  margin-bottom: 20px;
}
.payment-message p {
  font-size: 15px;
  color: rgba(245,240,232,0.7);
  line-height: 2;
  margin-bottom: 40px;
}
.payment-message .btn-back {
  display: inline-block;
  padding: 16px 48px;
  border: 1px solid var(--gold);
  color: var(--gold);
  text-decoration: none;
  font-size: 14px;
  letter-spacing: 2px;
  transition: all 0.3s ease;
}
.payment-message .btn-back:hover {
  background: var(--gold);
  color: #0a0a0a;
}
@media (max-width: 768px) {
  .checkout-section {
    padding: 120px 0 80px;
  }
  .checkout-section h1 {
    font-size: 24px;
  }
  .checkout-product-summary {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    padding: 20px 24px;
  }
  .checkout-product-summary .product-price {
    font-size: 22px;
  }
  .checkout-form .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }
}