/* フォント未読込中もテキストを即時表示（FOUT許容） */
@font-face {
  font-family: 'Noto Serif JP';
  font-display: swap;
}
@font-face {
  font-family: 'Playfair Display';
  font-display: swap;
}
@font-face {
  font-family: 'Cormorant Garamond';
  font-display: swap;
}


/* =============================================
   CSS CUSTOM PROPERTIES
============================================= */
:root {
  --color-black:     #0a0a0a;
  --color-dark:      #111111;
  --color-dark-alt:  #161616;
  --color-panel:     #1a1a1a;
  --color-border:    #2a2a2a;
  --color-text:      #e8dfc8;
  --color-text-muted:#9a8f78;
  --color-gold:      #D4AF37;
  --color-gold-light:#F5E17A;
  --color-gold-dark: #A07E1A;
  --gold-gradient:   linear-gradient(135deg, #C9A227 0%, #F5E17A 40%, #D4AF37 60%, #A07E1A 100%);
  --gold-gradient-h: linear-gradient(90deg, #A07E1A 0%, #D4AF37 30%, #F5E17A 50%, #D4AF37 70%, #A07E1A 100%);
  --font-ja:         'Noto Serif JP', 'YuMincho', 'Yu Mincho', serif;
  --font-en:         'Playfair Display', 'Cormorant Garamond', Georgia, serif;
  --transition:      0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --header-h:        72px;
}

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

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

body {
  background: var(--color-black);
  color: var(--color-text);
  font-family: var(--font-ja);
  line-height: 1.8;
  overflow-x: hidden;
}

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

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

::selection {
  background: rgba(212, 175, 55, 0.35);
  color: #fff;
}

/* Custom scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--color-black); }
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--color-gold-dark), var(--color-gold));
  border-radius: 3px;
}

/* =============================================
   UTILITY
============================================= */
.container {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

.gold-text {
  background: var(--gold-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.gold-line {
  display: block;
  width: 60px;
  height: 1px;
  background: var(--gold-gradient-h);
  margin: 0 auto;
}


/* =============================================
   HERO FADE-IN — CSS アニメーション（JS不要・即時実行）
   スマホ初期表示の遅延を解消するため transition ではなく
   animation を使い、ページ描画と同時にフェードイン開始。
============================================= */
@keyframes heroFadeUp {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}
.hero-fade-1 {
  animation: heroFadeUp 0.9s ease 0.05s both;
}
.hero-fade-2 {
  animation: heroFadeUp 0.9s ease 0.2s both;
}
.hero-fade-3 {
  animation: heroFadeUp 0.9s ease 0.4s both;
}

/* =============================================
   FADE-IN ANIMATION (Intersection Observer)
============================================= */
.fade-in {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.9s ease, transform 0.9s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}
.fade-in-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.9s ease, transform 0.9s ease;
}
.fade-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}
.fade-in-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.9s ease, transform 0.9s ease;
}
.fade-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.45s; }
.delay-5 { transition-delay: 0.6s; }

/* =============================================
   HEADER
============================================= */
#header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--header-h);
  background: rgba(8, 8, 8, 0.75);
  backdrop-filter: blur(16px) saturate(1.4);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  border-bottom: 1px solid rgba(212, 175, 55, 0.12);
  transition: background var(--transition), border-color var(--transition);
}
#header.scrolled {
  background: rgba(8, 8, 8, 0.92);
  border-bottom-color: rgba(212, 175, 55, 0.22);
}

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

/* h1 ラッパーのデフォルトスタイルをリセット */
h1.header-logo {
  margin: 0;
  padding: 0;
  font-size: inherit;
  line-height: inherit;
}
h1.header-logo a {
  font-family: var(--font-ja);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: 0.12em;
  background: var(--gold-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  white-space: nowrap;
  text-decoration: none;
  display: block;
}

.header-logo {
  font-family: var(--font-ja);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: 0.12em;
  background: var(--gold-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  white-space: nowrap;
  flex-shrink: 0;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 32px;
}

/* Desktop Nav */
.header-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}
.header-nav a {
  font-family: var(--font-ja);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  color: var(--color-text-muted);
  transition: color var(--transition);
  position: relative;
  padding-bottom: 3px;
}
.header-nav a::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 1px;
  background: var(--gold-gradient-h);
  transition: width var(--transition);
}
.header-nav a:hover {
  color: var(--color-gold-light);
}
.header-nav a:hover::after { width: 100%; }

/* SNS icons in header */
.header-sns {
  display: flex;
  align-items: center;
  gap: 14px;
}
.header-sns a {
  font-size: 0.88rem;
  color: var(--color-gold-dark);
  transition: color var(--transition), transform var(--transition);
}
.header-sns a:hover {
  color: var(--color-gold-light);
  transform: translateY(-2px);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
  z-index: 1100;
}
.hamburger span {
  display: block;
  width: 24px; height: 1.5px;
  background: var(--color-gold);
  transition: all 0.35s ease;
  transform-origin: center;
}
.hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* Mobile menu overlay */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 999;
  background: rgba(8, 8, 8, 0.97);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 40px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
}
.mobile-menu.open {
  display: flex;
  opacity: 1;
  pointer-events: all;
}
.mobile-menu nav {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
  list-style: none;
}
.mobile-menu nav a {
  font-family: var(--font-ja);
  font-size: 1.3rem;
  letter-spacing: 0.2em;
  color: var(--color-text);
  transition: color var(--transition);
}
.mobile-menu nav a:hover { color: var(--color-gold-light); }
.mobile-menu .mobile-sns {
  display: flex;
  gap: 24px;
}
.mobile-menu .mobile-sns a {
  font-size: 1.4rem;
  color: var(--color-gold);
  transition: color var(--transition), transform var(--transition);
}
.mobile-menu .mobile-sns a:hover {
  color: var(--color-gold-light);
  transform: scale(1.2);
}

/* =============================================
   HERO
============================================= */
#hero {
  position: relative;
  height: 100vh;
  min-height: 640px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  /* header offset: prevent top clip */
  padding-top: var(--header-h);
  box-sizing: border-box;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('https://images.unsplash.com/photo-1544967082-d9d25d867d66?w=1920&q=85&auto=format&fit=crop');
  background-size: cover;
  background-position: center 30%;
  filter: brightness(0.28) saturate(0.5);
  transform: scale(1.06);
  transition: transform 8s ease;
}
.hero-bg.loaded { transform: scale(1); }
/* Hero 背景: モバイルでは小サイズ画像を使用（転送量削減） */
@media (max-width: 768px) {
  .hero-bg {
    background-image: url('https://images.unsplash.com/photo-1544967082-d9d25d867d66?w=800&q=75&auto=format&fit=crop');
  }
}


/* Gold ink splash overlay */
.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 60% at 50% 40%, rgba(212,175,55,0.04) 0%, transparent 70%),
    linear-gradient(180deg, rgba(0,0,0,0.25) 0%, rgba(0,0,0,0.3) 40%, rgba(0,0,0,0.65) 100%);
}

/* Vertical gold line accent */
.hero-line-left,
.hero-line-right {
  position: absolute;
  top: 12vh; bottom: 12vh;
  width: 1px;
  background: linear-gradient(180deg, transparent 0%, rgba(212,175,55,0.4) 30%, rgba(212,175,55,0.4) 70%, transparent 100%);
}
.hero-line-left { left: 8%; }
.hero-line-right { right: 8%; }

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}


/* ── Hero Site Title h1 (SEO + 装飾) ── */

/* Vertical writing catchcopy */
.hero-catchcopy-wrap {
  display: block;
  position: relative;
  margin-top: 48px;
  margin-bottom: 40px;
  /* writing-mode:vertical-rl の高さをflexに明示 */
  min-height: 440px;
}

.hero-catchcopy {
  writing-mode: vertical-rl;
  text-orientation: upright;
  font-family: var(--font-ja);
  font-size: clamp(2.2rem, 6vw, 4.2rem);
  font-weight: 700;
  letter-spacing: 0.2em;
  background: var(--gold-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: none;
  line-height: 1;
}

.hero-sub {
  font-family: var(--font-ja);
  font-size: clamp(0.82rem, 1.8vw, 1rem);
  font-weight: 300;
  color: rgba(232, 224, 200, 0.72);
  letter-spacing: 0.3em;
  margin-top: 0;
  line-height: 2;
}


.hero-cta-wrap {
  margin-top: 48px;
}

.btn-gold {
  display: inline-block;
  position: relative;
  padding: 16px 48px;
  font-family: var(--font-ja);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--color-black);
  background: var(--gold-gradient);
  border: none;
  cursor: pointer;
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
  clip-path: polygon(8px 0%, 100% 0%, calc(100% - 8px) 100%, 0% 100%);
}
.btn-gold::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.18) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--transition);
}
.btn-gold:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(212,175,55,0.4);
}
.btn-gold:hover::before { opacity: 1; }

.btn-outline-gold {
  display: inline-block;
  padding: 14px 44px;
  font-family: var(--font-ja);
  font-size: 0.82rem;
  font-weight: 400;
  letter-spacing: 0.22em;
  color: var(--color-gold);
  background: transparent;
  border: 1px solid var(--color-gold-dark);
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.btn-outline-gold::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gold-gradient);
  opacity: 0;
  transition: opacity var(--transition);
  z-index: 0;
}
.btn-outline-gold span {
  position: relative;
  z-index: 1;
  transition: color var(--transition);
}
.btn-outline-gold:hover {
  border-color: var(--color-gold);
  box-shadow: 0 0 28px rgba(212,175,55,0.22), inset 0 0 28px rgba(212,175,55,0.06);
  transform: translateY(-2px);
}
.btn-outline-gold:hover::before { opacity: 1; }
.btn-outline-gold:hover span { color: var(--color-black); }

/* Scroll indicator */

/* =============================================
   SECTION COMMON
============================================= */
.section {
  padding: 100px 0;
}
.section-label {
  font-family: var(--font-en);
  font-style: italic;
  font-size: 0.72rem;
  letter-spacing: 0.4em;
  color: var(--color-gold-dark);
  text-transform: uppercase;
  display: block;
  margin-bottom: 12px;
}
.section-title-ja {
  font-family: var(--font-ja);
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 700;
  letter-spacing: 0.12em;
  background: var(--gold-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.3;
}
.section-title-en {
  font-family: var(--font-en);
  font-size: clamp(0.75rem, 1.5vw, 0.88rem);
  letter-spacing: 0.3em;
  color: rgba(212, 175, 55, 0.38);
  margin-top: 6px;
  display: block;
}
.section-divider {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 28px 0 48px;
}
.section-divider::before,
.section-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(212,175,55,0.3));
}
.section-divider::after {
  background: linear-gradient(270deg, transparent, rgba(212,175,55,0.3));
}
.divider-diamond {
  width: 6px; height: 6px;
  background: var(--color-gold);
  transform: rotate(45deg);
  flex-shrink: 0;
}

/* =============================================
   ABOUT
============================================= */
#about {
  background: var(--color-dark);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: start;
}

.about-text-block {}
.about-text-block .section-divider { margin-bottom: 36px; }

.about-lead {
  font-size: clamp(0.95rem, 1.8vw, 1.08rem);
  font-weight: 300;
  line-height: 2.2;
  color: rgba(232, 224, 200, 0.88);
  letter-spacing: 0.06em;
  margin-bottom: 40px;
}

.about-quote {
  border-left: 2px solid var(--color-gold-dark);
  padding: 20px 24px;
  background: rgba(212,175,55,0.04);
  margin: 36px 0;
}
.about-quote p {
  font-size: 0.9rem;
  font-weight: 300;
  color: rgba(232, 224, 200, 0.75);
  line-height: 2;
  letter-spacing: 0.08em;
}

.about-signature {
  margin-top: 40px;
  text-align: right;
}
.about-signature .title {
  font-size: 0.72rem;
  letter-spacing: 0.25em;
  color: var(--color-text-muted);
  margin-bottom: 6px;
  display: block;
}
.about-signature .name {
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  font-weight: 700;
  letter-spacing: 0.18em;
  background: var(--gold-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.about-image-block {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}
.about-image-frame {
  position: relative;
  width: 100%;
  /* overflow:hidden を外してmask-imageが画像全体に効くようにする */
}
.about-image-frame img {
  width: 100%;
  /* 実画像比率 1535×2549 ≒ 3:5 に合わせる */
  aspect-ratio: 3 / 5;
  object-fit: cover;
  object-position: center top;
  display: block;
  filter: brightness(0.9) contrast(1.05);
  transition: transform 0.9s ease, filter 0.9s ease;
}
.about-image-frame:hover img {
  transform: scale(1.03);
  filter: brightness(0.95) contrast(1.02);
}

/* 書道道具画像 — 4辺の縁をグラデーションでフェード */
.about-img-vignette {
  -webkit-mask-image:
    linear-gradient(to right,  transparent 0%,  black 18%, black 82%,  transparent 100%),
    linear-gradient(to bottom, transparent 0%,  black 12%, black 88%,  transparent 100%);
  -webkit-mask-composite: destination-in;
  mask-image:
    linear-gradient(to right,  transparent 0%,  black 18%, black 82%,  transparent 100%),
    linear-gradient(to bottom, transparent 0%,  black 12%, black 88%,  transparent 100%);
  mask-composite: intersect;
}

.about-image-caption {
  position: absolute;
  bottom: 16px;
  left: -20px;
  background: rgba(8,8,8,0.92);
  border: 1px solid rgba(212,175,55,0.2);
  padding: 12px 20px;
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--color-gold-dark);
}

/* =============================================
   ONLINE SHOP (Most Important)
============================================= */
#shop {
  background: #0e0e0e;
  position: relative;
  overflow: hidden;
}

/* Background gold shimmer */
#shop::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: var(--gold-gradient-h);
  opacity: 0.6;
}
#shop::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 1px;
  background: var(--gold-gradient-h);
  opacity: 0.6;
}

.shop-inner {
  border: 1px solid rgba(212,175,55,0.15);
  padding: 72px;
  position: relative;
  background: rgba(212,175,55,0.018);
}
.shop-inner::before {
  content: '';
  position: absolute;
  inset: 3px;
  border: 1px solid rgba(212,175,55,0.06);
  pointer-events: none;
}

.shop-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.shop-text { }
.shop-text .section-divider { margin-bottom: 32px; }

.shop-copy {
  font-size: clamp(1.1rem, 2.2vw, 1.45rem);
  font-weight: 300;
  letter-spacing: 0.14em;
  line-height: 2;
  background: var(--gold-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 24px;
}

.shop-desc {
  font-size: 0.9rem;
  font-weight: 300;
  color: rgba(232, 224, 200, 0.72);
  line-height: 2.1;
  letter-spacing: 0.06em;
  margin-bottom: 44px;
}

.shop-cta {
  display: inline-block;
  position: relative;
  padding: 20px 52px;
  font-family: var(--font-ja);
  font-size: 0.86rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--color-black);
  background: var(--gold-gradient);
  border: none;
  cursor: pointer;
  overflow: hidden;
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition), filter var(--transition);
}
.shop-cta::before {
  content: '';
  position: absolute;
  top: -100%;
  left: -60%;
  width: 50%;
  height: 300%;
  background: rgba(255,255,255,0.28);
  transform: rotate(25deg) skewX(-10deg);
  transition: left 0.7s ease, opacity 0.5s ease;
  opacity: 0;
}
.shop-cta:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 56px rgba(212,175,55,0.55), 0 4px 16px rgba(212,175,55,0.3);
  filter: brightness(1.08);
}
.shop-cta:hover::before {
  left: 130%;
  opacity: 1;
}

.shop-note {
  margin-top: 16px;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--color-text-muted);
}

.shop-images {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.shop-image-card {
  position: relative;
  overflow: hidden;
  border-radius: 2px;
}
/* 1枚目：全幅フィーチャー */
.shop-image-card:first-child {
  grid-column: 1 / -1;
}
/* 全カード共通 — 横長写真に合わせ 5:4 */
.shop-image-card img {
  width: 100%;
  aspect-ratio: 5 / 4;
  object-fit: cover;
  object-position: center center;
  filter: brightness(0.88) contrast(1.08);
  transition: transform 0.8s ease, filter 0.8s ease;
}
/* 1枚目だけ少し横長に */
.shop-image-card:first-child img {
  aspect-ratio: 16 / 9;
}
.shop-image-card:hover img {
  transform: scale(1.05);
  filter: brightness(0.95) contrast(1.04);
}
.shop-image-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(0,0,0,0.5) 100%);
}
/* Gold shimmer on hover */
.shop-image-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 40%, rgba(212,175,55,0.08) 100%);
  opacity: 0;
  transition: opacity var(--transition);
  z-index: 1;
}
.shop-image-card:hover::before { opacity: 1; }

/* =============================================
   GALLERY
============================================= */
#gallery {
  background: var(--color-dark);
}

.gallery-header {
  text-align: center;
  margin-bottom: 60px;
}
.gallery-header .section-divider {
  max-width: 280px;
  margin: 24px auto 0;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto;
  gap: 10px;
}

.gallery-item {
  position: relative;
  overflow: hidden;
  cursor: pointer;
}
.gallery-item:nth-child(1) {
  grid-column: 1 / 2;
  grid-row: 1 / 3;
}
.gallery-item:nth-child(4) {
  grid-column: 2 / 4;
  grid-row: 2 / 3;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 200px;
  filter: brightness(0.75) saturate(0.8) contrast(1.1);
  transition: transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              filter 0.8s ease;
}

.gallery-item:hover img {
  transform: scale(1.08);
  filter: brightness(0.88) saturate(0.9) contrast(1.05);
}

/* Gold overlay on hover */
.gallery-item::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 50%, rgba(212,175,55,0.12) 100%);
  opacity: 0;
  transition: opacity var(--transition);
}
.gallery-item:hover::after { opacity: 1; }

/* Gold border on hover */
.gallery-item::before {
  content: '';
  position: absolute;
  inset: 0;
  border: 1px solid rgba(212,175,55,0);
  z-index: 2;
  transition: border-color var(--transition);
}
.gallery-item:hover::before {
  border-color: rgba(212,175,55,0.35);
}

.gallery-item .gallery-label {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 24px 16px 16px;
  background: linear-gradient(180deg, transparent 0%, rgba(0,0,0,0.7) 100%);
  z-index: 3;
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  color: rgba(212,175,55,0.6);
  transform: translateY(8px);
  opacity: 0;
  transition: opacity var(--transition), transform var(--transition);
}
.gallery-item:hover .gallery-label {
  opacity: 1;
  transform: translateY(0);
}

/* =============================================
   FOOTER
============================================= */
#footer {
  background: #080808;
  padding: 64px 0 40px;
  border-top: 1px solid rgba(212,175,55,0.1);
  text-align: center;
}

.footer-logo {
  font-family: var(--font-ja);
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  font-weight: 700;
  letter-spacing: 0.18em;
  background: var(--gold-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 8px;
}
.footer-logo-en {
  font-family: var(--font-en);
  font-style: italic;
  font-size: 0.75rem;
  letter-spacing: 0.4em;
  color: rgba(212,175,55,0.35);
  margin-bottom: 40px;
  display: block;
}

.footer-divider {
  width: 80px;
  height: 1px;
  background: var(--gold-gradient-h);
  margin: 28px auto;
  opacity: 0.5;
}

.footer-sns {
  display: flex;
  justify-content: center;
  gap: 28px;
  margin-bottom: 40px;
}
.footer-sns a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px; height: 44px;
  border: 1px solid rgba(212,175,55,0.18);
  font-size: 1rem;
  color: var(--color-gold-dark);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.footer-sns a::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gold-gradient);
  opacity: 0;
  transition: opacity var(--transition);
}
.footer-sns a i { position: relative; z-index: 1; transition: color var(--transition); }
.footer-sns a:hover {
  border-color: var(--color-gold);
  box-shadow: 0 0 20px rgba(212,175,55,0.3);
  transform: translateY(-4px);
}
.footer-sns a:hover::before { opacity: 1; }
.footer-sns a:hover i { color: var(--color-black); }

.footer-nav {
  display: flex;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}
.footer-nav a {
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--color-text-muted);
  transition: color var(--transition);
}
.footer-nav a:hover { color: var(--color-gold-light); }

.footer-copy {
  font-family: var(--font-en);
  font-size: 0.68rem;
  letter-spacing: 0.25em;
  color: rgba(154, 143, 120, 0.45);
}

/* =============================================
   RESPONSIVE — TABLET
============================================= */
@media (max-width: 960px) {
  .header-nav { display: none; }
  .header-sns  { display: none; }
  .hamburger   { display: flex; }

  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .about-image-block { order: -1; }
  .about-image-caption { left: 0; }

  .shop-inner { padding: 48px 32px; }
  .shop-grid  { grid-template-columns: 1fr; gap: 48px; }
  .shop-images { order: -1; }

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: auto;
  }
  .gallery-item:nth-child(1) { grid-column: auto; grid-row: auto; }
  .gallery-item:nth-child(4) { grid-column: auto; grid-row: auto; }
  .gallery-item img { min-height: 180px; }
}

/* =============================================
   RESPONSIVE — MOBILE
============================================= */
@media (max-width: 600px) {
  :root { --header-h: 60px; }

  .section { padding: 72px 0; }

  /* ── HEROスマホ最適化 ──
     catchcopy を画面中央に来るよう調整:
     ・min-height を実際のスマホ文字サイズに合わせ削減
     ・上下マージンを均等に縮小
     ・hero-sub を非表示（コンテンツが減って縦方向に中央寄り）
     ・hero-cta-wrap の余白を縮小
  */
  .hero-catchcopy-wrap {
    min-height: calc(10vw * 6 * 1.25); /* 文字数×フォントサイズ×letter-spacing係数 */
    margin-top: 16px;
    margin-bottom: 16px;
  }
  .hero-sub {
    display: none;
  }
  .hero-cta-wrap {
    margin-top: 28px;
  }

  .hero-catchcopy {
    font-size: clamp(1.8rem, 10vw, 2.8rem);
    /* 縦書き要素をコンテンツ幅に縮めて中央揃え（右寄り解消） */
    width: max-content;
    margin-left: auto;
    margin-right: auto;
  }
  .hero-line-left, .hero-line-right { display: none; }

  .shop-inner { padding: 36px 20px; }
  .shop-images { grid-template-columns: 1fr; }
  .shop-image-card:first-child { grid-column: auto; }
  .shop-cta { width: 100%; text-align: center; padding: 18px 24px; }

  .gallery-grid {
    grid-template-columns: 1fr;
  }
  .gallery-item img { min-height: 220px; }

  .footer-sns { gap: 16px; }
  .footer-nav { gap: 20px; }
}

/* =============================================
   GOLD PARTICLES (subtle top-level)
============================================= */
.particles {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 1;
}
.particle {
  position: absolute;
  width: 2px; height: 2px;
  background: var(--color-gold);
  border-radius: 50%;
  opacity: 0;
  animation: floatParticle linear infinite;
}
@keyframes floatParticle {
  0%   { opacity: 0; transform: translateY(0) scale(0); }
  10%  { opacity: 0.6; transform: translateY(-20px) scale(1); }
  90%  { opacity: 0.3; transform: translateY(-120px) scale(0.6); }
  100% { opacity: 0; transform: translateY(-140px) scale(0); }
}
  
/* =============================================
   REPRESENTATIVE PROFILE
============================================= */
.profile-section {
  padding: 80px 0 40px;
  border-top: 1px solid var(--color-border);
  margin-top: 64px;
}

.profile-inner {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 56px;
  align-items: center;
}

.profile-photo-wrap {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 20px;
}

.profile-photo-frame {
  position: relative;
  width: 240px;
  height: 300px;
  overflow: hidden;
}

.profile-photo-frame::before {
  content: '';
  position: absolute;
  top: -8px; left: -8px;
  right: 8px; bottom: 8px;
  border: 1px solid var(--color-gold-dark);
  z-index: 1;
  pointer-events: none;
}

.profile-photo-frame::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(0,0,0,0.7) 100%);
  z-index: 2;
}

.profile-photo-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
  filter: grayscale(15%) contrast(1.05);
  transition: transform 0.7s ease, filter 0.7s ease;
}

.profile-photo-frame:hover img {
  transform: scale(1.04);
  filter: grayscale(0%) contrast(1.05);
}

.profile-name-badge {
  background: var(--color-dark);
  border: 1px solid var(--color-gold-dark);
  padding: 10px 24px;
}

.profile-name-badge .title {
  display: block;
  font-size: 0.65rem;
  letter-spacing: 0.22em;
  color: var(--color-gold);
  font-family: var(--font-ja);
  margin-bottom: 2px;
}

.profile-name-badge .name {
  display: block;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  background: var(--gold-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-family: var(--font-ja);
}

.profile-text-block {
  padding-left: 8px;
}

.profile-text-block .section-label {
  display: block;
  font-size: 0.65rem;
  letter-spacing: 0.3em;
  color: var(--color-gold);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.profile-text-block h3 {
  font-family: var(--font-ja);
  font-size: clamp(1.2rem, 2.5vw, 1.6rem);
  font-weight: 700;
  letter-spacing: 0.15em;
  background: var(--gold-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 6px;
}

.profile-text-block .name-en {
  display: block;
  font-family: var(--font-en);
  font-style: italic;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  letter-spacing: 0.18em;
  margin-bottom: 24px;
}

.profile-bio {
  font-family: var(--font-ja);
  font-size: 0.88rem;
  line-height: 2.1;
  color: rgba(232, 224, 200, 0.78);
  margin-bottom: 24px;
}

.profile-awards {
  list-style: none;
  border-left: 2px solid var(--color-gold-dark);
  padding-left: 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.profile-awards li {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  font-family: var(--font-ja);
  line-height: 1.6;
}

.profile-awards li strong {
  color: var(--color-gold);
}

/* Responsive: profile */
@media (max-width: 700px) {
  .profile-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .profile-photo-wrap {
    display: flex;
    justify-content: center;
  }
  .profile-photo-frame {
    width: 200px;
    height: 250px;
  }
}