/* ============================================================
   ramuno 撮影サービス LP — style.css
   Ultra-Luxury Edition — Maison de Couture Aesthetic
   ============================================================ */

/* ---------- CSS Variables ---------- */
:root {
  /* Backgrounds — deep cream / antique ivory */
  --color-bg:        #f3ede2;
  --color-bg-2:      #e9e1d4;
  --color-bg-3:      #f8f4ee;
  --color-bg-dark:   #1a1208;
  --color-surface:   #fdfaf6;

  /* Brand colors — deep espresso & aged gold */
  --color-brown:     #1e1309;
  --color-brown-md:  #3d2a15;
  --color-brown-lt:  #7a5c3a;
  --color-gold:      #a67c2a;
  --color-gold-lt:   #c99b43;
  --color-gold-dk:   #6b4f18;
  --color-gold-pale: #d4b87a;

  /* Text — refined hierarchy */
  --color-text:      #140e06;
  --color-text-sub:  #5c4630;
  --color-text-lt:   #8c7258;
  --color-text-xlt:  #b09a80;

  /* Status */
  --color-ok:        #2e6b40;
  --color-ng:        #7a2626;

  /* Borders — ultra-fine */
  --color-border:    rgba(30,19,9,0.09);
  --color-border-lt: rgba(30,19,9,0.04);
  --color-border-gd: rgba(166,124,42,0.25);

  /* Fonts */
  --font-serif:      'Cormorant Garamond', 'Playfair Display', Georgia, serif;
  --font-sans:       'Noto Sans JP', sans-serif;
  --font-en:         'Playfair Display', Georgia, serif;

  /* Spacing */
  --section-pad:     120px;

  /* Misc */
  --transition:      0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --radius:          0px;
  --shadow:          0 1px 24px rgba(30,19,9,0.06);
  --shadow-md:       0 4px 48px rgba(30,19,9,0.10);
}

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

html {
  scroll-behavior: smooth;
  font-size: 15px;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  line-height: 1.9;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; display: block; }
a  { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; }

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar { width: 3px; }
::-webkit-scrollbar-track { background: var(--color-bg-2); }
::-webkit-scrollbar-thumb { background: var(--color-gold); border-radius: 0; }

/* ---------- Section Utility ---------- */
.section-container {
  max-width: 1080px;
  margin: 0 auto;
  padding: var(--section-pad) 48px;
}

/* ── section-label : 細い横線 + スモールキャップ ── */
.section-label {
  font-family: var(--font-en);
  font-size: 0.6rem;
  letter-spacing: 0.5em;
  color: var(--color-gold);
  text-transform: uppercase;
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  gap: 20px;
}
.section-label::before,
.section-label::after {
  content: '';
  display: block;
  flex: 1;
  max-width: 56px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-gold));
  opacity: 0.35;
}
.section-label::after {
  background: linear-gradient(90deg, var(--color-gold), transparent);
}
.section-label::before { order: -1; }
.section-label.light { color: var(--color-gold-pale); }
.section-label.light::before,
.section-label.light::after { background: var(--color-gold-pale); }

/* ── section-title ── */
.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.7rem, 3.2vw, 2.6rem);
  font-weight: 300;
  line-height: 1.4;
  margin-bottom: 18px;
  color: var(--color-brown);
  letter-spacing: 0.03em;
}

/* ── section-sub ── */
.section-sub {
  font-size: 0.8rem;
  color: var(--color-text-lt);
  margin-bottom: 64px;
  max-width: 560px;
  line-height: 2.1;
  letter-spacing: 0.04em;
}
.section-sub strong { color: var(--color-brown); font-weight: 500; }

/* ---------- Buttons ---------- */
.btn-primary {
  display: inline-block;
  padding: 14px 48px;
  background: var(--color-brown);
  color: var(--color-bg-3);
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 0.68rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  border-radius: 0;
  border: 1px solid var(--color-brown);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.btn-primary::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--color-gold);
  opacity: 0;
  transition: opacity var(--transition);
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 32px rgba(30,19,9,0.18);
  border-color: var(--color-gold-dk);
}
.btn-primary:hover::after { opacity: 0.12; }

.btn-secondary {
  display: inline-block;
  padding: 13px 46px;
  border: 1px solid var(--color-brown-lt);
  color: var(--color-brown);
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 0.68rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  border-radius: 0;
  transition: all var(--transition);
}
.btn-secondary:hover {
  background: var(--color-brown);
  border-color: var(--color-brown);
  color: var(--color-bg-3);
  transform: translateY(-1px);
}

/* ============================================================
   HEADER / NAV
   ============================================================ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(243,237,226,0.88);
  backdrop-filter: blur(24px) saturate(1.6);
  -webkit-backdrop-filter: blur(24px) saturate(1.6);
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition), box-shadow var(--transition);
}
.site-header.scrolled {
  background: rgba(243,237,226,0.97);
  box-shadow: 0 1px 32px rgba(30,19,9,0.05);
}

/* ゴールドの超細ライン */
.site-header::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--color-gold) 35%, var(--color-gold-lt) 50%, var(--color-gold) 65%, transparent 100%);
  opacity: 0.25;
}

.nav-container {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 56px;
  height: 68px;
  display: flex;
  align-items: center;
  gap: 48px;
}

.nav-logo {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
  flex-shrink: 0;
  gap: 3px;
}
/* ロゴ画像（黒ロゴをそのまま表示） */
.nav-logo-img {
  height: 28px;
  width: auto;
  display: block;
  object-fit: contain;
  object-position: left center;
  mix-blend-mode: multiply;
}
.nav-logo .logo-ja {
  font-size: 0.52rem;
  color: var(--color-text-xlt);
  letter-spacing: 0.28em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
  margin-left: auto;
}
.nav-links a {
  font-size: 0.62rem;
  color: var(--color-text-lt);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  transition: color var(--transition);
  white-space: nowrap;
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-gold);
  transition: width var(--transition);
}
.nav-links a:hover { color: var(--color-brown); }
.nav-links a:hover::after { width: 100%; }

.nav-cta {
  padding: 8px 24px;
  border: 1px solid var(--color-border-gd) !important;
  color: var(--color-brown) !important;
  font-weight: 400 !important;
  transition: all var(--transition) !important;
  letter-spacing: 0.18em;
  background: rgba(166,124,42,0.04) !important;
}
.nav-cta::after { display: none !important; }
.nav-cta:hover {
  background: var(--color-brown) !important;
  border-color: var(--color-brown) !important;
  color: var(--color-bg-3) !important;
}

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  margin-left: auto;
}
.nav-hamburger span {
  display: block;
  width: 22px;
  height: 1px;
  background: var(--color-brown);
  transition: all var(--transition);
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: grid;
  grid-template-columns: 55fr 45fr;
  overflow: hidden;
  background: var(--color-bg-3);
}

/* 左カラム */
.hero-left {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-right: 1px solid var(--color-border);
}

/* 右カラム：商品ビジュアル */
.hero-right {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.hero-img-main {
  flex: 1;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--color-border);
}
.hero-img-main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  filter: contrast(1.02) saturate(0.96);
}
.hero-img-main:hover img { transform: scale(1.03); }

.hero-img-tag {
  position: absolute;
  bottom: 20px;
  left: 20px;
  font-family: var(--font-en);
  font-size: 0.58rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--color-brown);
  background: rgba(248,244,238,0.9);
  padding: 5px 14px;
  backdrop-filter: blur(6px);
  border: 1px solid var(--color-border);
}

.hero-img-sub {
  display: grid;
  grid-template-columns: 1fr 1fr;
  height: 240px;
}

.hero-img-sub-item {
  position: relative;
  overflow: hidden;
  border-right: 1px solid var(--color-border);
}
.hero-img-sub-item:last-child { border-right: none; }
.hero-img-sub-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  filter: contrast(1.01) saturate(0.95);
}
.hero-img-sub-item:hover img { transform: scale(1.05); }

.hero-img-tag-sm {
  position: absolute;
  bottom: 12px;
  left: 12px;
  font-family: var(--font-en);
  font-size: 0.52rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-brown);
  background: rgba(248,244,238,0.88);
  padding: 3px 10px;
  border: 1px solid var(--color-border);
}

/* ライン テクスチャ */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 79px,
      rgba(30,19,9,0.018) 79px,
      rgba(30,19,9,0.018) 80px
    );
  pointer-events: none;
  z-index: 1;
}

/* ゴールドライン */
.hero::after {
  content: '';
  position: absolute;
  left: 0; right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-gold) 25%, var(--color-gold-lt) 50%, var(--color-gold) 75%, transparent);
  opacity: 0.4;
  z-index: 2;
}

.hero-bg-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-55%, -50%);
  font-family: var(--font-en);
  font-size: clamp(80px, 16vw, 200px);
  font-weight: 700;
  letter-spacing: 0.15em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(30,19,9,0.035);
  white-space: nowrap;
  user-select: none;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: left;
  max-width: 580px;
  padding: 40px 64px;
}

.hero-tag {
  font-family: var(--font-en);
  font-size: 0.58rem;
  letter-spacing: 0.48em;
  color: var(--color-gold);
  text-transform: uppercase;
  margin-bottom: 36px;
  display: flex;
  align-items: center;
  gap: 18px;
}
.hero-tag::before {
  content: '';
  display: block;
  width: 28px;
  height: 1px;
  background: var(--color-gold);
  opacity: 0.5;
}
.hero-tag::after {
  content: '';
  display: block;
  width: 28px;
  height: 1px;
  background: var(--color-gold);
  opacity: 0.5;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4.2vw, 3.2rem);
  font-weight: 300;
  line-height: 1.28;
  color: var(--color-brown);
  margin-bottom: 24px;
  letter-spacing: 0.02em;
  white-space: nowrap;
}
.hero-title em {
  font-style: italic;
  color: var(--color-gold);
  font-weight: 300;
}

.hero-subtitle {
  font-size: 0.68rem;
  color: var(--color-text-lt);
  letter-spacing: 0.38em;
  text-transform: uppercase;
  margin-bottom: 36px;
  padding-bottom: 36px;
  border-bottom: 1px solid var(--color-border);
}

.hero-desc {
  font-size: 0.82rem;
  color: var(--color-text-sub);
  line-height: 2.2;
  margin-bottom: 48px;
  max-width: 480px;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  gap: 8px;
  margin-bottom: 44px;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 16px;
  border: 1px solid var(--color-border);
  font-size: 0.65rem;
  color: var(--color-text-lt);
  background: rgba(30,19,9,0.02);
  letter-spacing: 0.1em;
}
.badge i { font-size: 0.65rem; color: var(--color-gold); }

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  gap: 12px;
}

.hero-scroll-hint {
  position: absolute;
  bottom: 40px;
  left: 64px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  font-family: var(--font-en);
  font-size: 0.55rem;
  letter-spacing: 0.4em;
  color: var(--color-text-xlt);
  text-transform: uppercase;
}
.scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--color-gold), transparent);
  animation: scrollAnim 2.4s infinite;
}
@keyframes scrollAnim {
  0%   { transform: scaleY(0); transform-origin: top; opacity: 0; }
  20%  { opacity: 0.8; }
  50%  { transform: scaleY(1); transform-origin: top; opacity: 0.8; }
  51%  { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; opacity: 0; }
}

.hero-official-badge {
  position: absolute;
  top: 100px;
  right: 48px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  font-family: var(--font-en);
  font-size: 0.55rem;
  letter-spacing: 0.22em;
  color: var(--color-text-xlt);
  text-align: center;
}
.hero-official-badge i { font-size: 1.6rem; color: var(--color-gold); opacity: 0.6; }

/* ============================================================
   ABOUT RAMUNO
   ============================================================ */
.about-ramuno {
  background: var(--color-bg-3);
  border-bottom: 1px solid var(--color-border);
}

.about-ramuno-inner {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 80px;
  align-items: center;
}

.about-ramuno-lead {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 300;
  color: var(--color-brown);
  line-height: 1.8;
  margin-bottom: 20px;
  letter-spacing: 0.03em;
}
.about-ramuno-lead em {
  font-style: italic;
  color: var(--color-gold);
}

.about-ramuno-desc {
  font-size: 0.8rem;
  color: var(--color-text-lt);
  line-height: 2.2;
  margin-bottom: 40px;
  letter-spacing: 0.03em;
}

.about-ramuno-points {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--color-border);
  margin-bottom: 40px;
}

.about-point {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  padding: 18px 24px;
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition);
}
.about-point:last-child { border-bottom: none; }
.about-point:hover { background: var(--color-bg); }

.about-point > i {
  color: var(--color-gold);
  font-size: 0.85rem;
  flex-shrink: 0;
  margin-top: 3px;
  opacity: 0.8;
}
.about-point div {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.about-point strong {
  font-size: 0.8rem;
  color: var(--color-brown);
  font-weight: 500;
  letter-spacing: 0.03em;
}
.about-point span {
  font-size: 0.72rem;
  color: var(--color-text-lt);
  letter-spacing: 0.03em;
}

.about-ramuno-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 28px;
  border: 1px solid var(--color-border-gd);
  color: var(--color-brown);
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  transition: all var(--transition);
  background: rgba(166,124,42,0.04);
}
.about-ramuno-link:hover {
  background: var(--color-brown);
  border-color: var(--color-brown);
  color: var(--color-bg-3);
}
.about-ramuno-link i { font-size: 0.65rem; color: var(--color-gold); transition: color var(--transition); }
.about-ramuno-link:hover i { color: var(--color-gold-pale); }

/* ビジュアル側 */
.about-ramuno-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
}

.about-ramuno-badge-large {
  width: 240px;
  height: 240px;
  border: 1px solid var(--color-border-gd);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--color-surface);
  position: relative;
}
.about-ramuno-badge-large::before,
.about-ramuno-badge-large::after {
  content: '';
  position: absolute;
  width: calc(100% - 16px);
  height: calc(100% - 16px);
  border: 1px solid rgba(166,124,42,0.12);
  top: 8px; left: 8px;
}
.about-ramuno-badge-large::after {
  width: calc(100% - 32px);
  height: calc(100% - 32px);
  top: 16px; left: 16px;
  border-style: dashed;
  border-color: rgba(166,124,42,0.08);
}
/* バッジ内ロゴ：白背景なのでそのまま表示 */
.badge-logo-img {
  height: 52px;
  width: auto;
  display: block;
  object-fit: contain;
  position: relative;
  z-index: 1;
  margin-bottom: 4px;
  mix-blend-mode: multiply;
}
.badge-sub {
  font-family: var(--font-en);
  font-size: 0.52rem;
  color: var(--color-gold);
  letter-spacing: 0.35em;
  text-transform: uppercase;
  position: relative;
  z-index: 1;
}

.about-ramuno-note {
  font-size: 0.72rem;
  color: var(--color-text-xlt);
  text-align: center;
  line-height: 2;
  letter-spacing: 0.06em;
}

@media (max-width: 1024px) {
  .about-ramuno-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .about-ramuno-visual {
    flex-direction: row;
    justify-content: center;
  }
}
@media (max-width: 768px) {
  .about-ramuno-visual { flex-direction: column; }
  .about-ramuno-badge-large { width: 200px; height: 200px; }
}

/* ============================================================
   VIDEO SAMPLE
   ============================================================ */
.video-sample-section {
  background: var(--color-bg-2);
  border-top: 1px solid var(--color-border);
  padding: 80px 0 0;
}

.video-sample-header {
  text-align: center;
  padding: 0 48px 48px;
}

.video-sample-title {
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 2.8vw, 2rem);
  font-weight: 300;
  color: var(--color-brown);
  margin-bottom: 12px;
  letter-spacing: 0.03em;
}

.video-sample-sub {
  font-size: 0.78rem;
  color: var(--color-text-lt);
  line-height: 2;
  letter-spacing: 0.04em;
}

.video-sample-grid {
  display: flex;
  justify-content: center;
  gap: 24px;
  padding: 0 48px 48px;
  border-top: none;
  flex-wrap: wrap;
}

.video-sample-item {
  width: 280px;
  flex-shrink: 0;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
}

/* YouTube Shorts 縦長 9:16 — 固定幅で高さを制御 */
.video-wrapper {
  position: relative;
  width: 280px;
  height: 497px; /* 280 × 16/9 ≈ 497 */
  background: var(--color-brown);
  overflow: hidden;
}
.video-wrapper iframe {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.video-caption {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 24px;
  border-top: 1px solid var(--color-border);
  font-size: 0.72rem;
  color: var(--color-text-sub);
  letter-spacing: 0.1em;
}
.video-tag {
  font-family: var(--font-en);
  font-size: 0.58rem;
  letter-spacing: 0.3em;
  color: var(--color-gold);
  border: 1px solid var(--color-border-gd);
  padding: 3px 10px;
  flex-shrink: 0;
}

@media (max-width: 768px) {
  .video-sample-grid {
    gap: 16px;
    padding: 0 24px 40px;
  }
  .video-sample-item {
    width: 240px;
  }
  .video-wrapper {
    width: 240px;
    height: 427px; /* 240 × 16/9 ≈ 427 */
  }
  .video-sample-header { padding: 0 24px 32px; }
}

/* ============================================================
   FEATURES STRIP
   ============================================================ */
.features-strip {
  background: var(--color-brown);
  padding: 22px 48px;
  position: relative;
  overflow: hidden;
}
.features-strip::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-gold-lt) 50%, transparent);
  opacity: 0.3;
}
.features-inner {
  max-width: 1080px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: 16px;
}
.feature-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.62rem;
  color: rgba(243,237,226,0.55);
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.feature-item i {
  color: var(--color-gold);
  font-size: 0.8rem;
  opacity: 0.7;
}
.feature-divider {
  width: 1px;
  height: 16px;
  background: rgba(243,237,226,0.1);
}

/* ============================================================
   CHALLENGES
   ============================================================ */
.challenges {
  background: var(--color-bg-2);
}

.challenges-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1px;
  margin-bottom: 56px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
}

.challenge-card {
  background: var(--color-bg-3);
  border: none;
  padding: 52px 40px;
  position: relative;
  overflow: hidden;
  transition: background var(--transition);
}

/* 上部のゴールドライン（非表示→hover時出現） */
.challenge-card::before {
  content: '';
  position: absolute;
  top: 0; left: 40px; right: 40px;
  height: 1px;
  background: var(--color-gold);
  opacity: 0;
  transition: opacity 0.5s ease;
}
.challenge-card:hover { background: var(--color-surface); }
.challenge-card:hover::before { opacity: 0.4; }

.challenge-num {
  font-family: var(--font-en);
  font-size: 3.5rem;
  font-weight: 300;
  color: rgba(30,19,9,0.04);
  position: absolute;
  top: 20px;
  right: 24px;
  line-height: 1;
  letter-spacing: -0.02em;
}
.challenge-icon {
  width: 44px;
  height: 44px;
  border: 1px solid var(--color-border-gd);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 28px;
}
.challenge-icon i {
  font-size: 1rem;
  color: var(--color-gold);
}

.challenge-card h3 {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-brown);
  margin-bottom: 18px;
  line-height: 1.6;
  letter-spacing: 0.02em;
}
.challenge-card p {
  font-size: 0.78rem;
  color: var(--color-text-lt);
  line-height: 2.1;
}

.challenge-solution {
  text-align: center;
  padding: 64px 48px;
  background: var(--color-brown);
  position: relative;
  overflow: hidden;
}
.challenge-solution::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-gold-lt) 50%, transparent);
  opacity: 0.4;
}
.challenge-solution::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-gold-lt) 50%, transparent);
  opacity: 0.2;
}
.solution-icon {
  width: 52px;
  height: 52px;
  border: 1px solid rgba(166,124,42,0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 28px;
}
.solution-icon i { font-size: 1rem; color: var(--color-gold-lt); }
.challenge-solution p {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 300;
  color: rgba(243,237,226,0.85);
  line-height: 2.2;
  letter-spacing: 0.03em;
}
.challenge-solution strong { color: var(--color-gold-pale); font-weight: 400; font-style: italic; }

/* ============================================================
   SERVICE
   ============================================================ */
.service {
  background: var(--color-bg-3);
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  background: var(--color-border);
  border: 1px solid var(--color-border);
}

.service-card {
  background: var(--color-surface);
  border: none;
  padding: 48px 36px;
  transition: background var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card:hover { background: var(--color-bg); }

/* ゴールドの底辺ライン */
.service-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 36px; right: 36px;
  height: 1px;
  background: var(--color-gold);
  opacity: 0;
  transition: opacity 0.5s ease;
}
.service-card:hover::after { opacity: 0.3; }

.service-card-icon {
  width: 40px;
  height: 40px;
  border: 1px solid var(--color-border-gd);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}
.service-card-icon i {
  font-size: 0.95rem;
  color: var(--color-gold);
}

.service-card h3 {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  font-weight: 400;
  color: var(--color-brown);
  margin-bottom: 14px;
  line-height: 1.5;
  letter-spacing: 0.02em;
}
.service-card p {
  font-size: 0.76rem;
  color: var(--color-text-lt);
  line-height: 2.1;
}

/* ============================================================
   REGULATION
   ============================================================ */
.regulation {
  background: var(--color-bg-2);
  position: relative;
  overflow: hidden;
}
.regulation::after {
  content: 'REG';
  position: absolute;
  bottom: -20px;
  right: -10px;
  font-family: var(--font-en);
  font-size: 9rem;
  font-weight: 700;
  color: transparent;
  -webkit-text-stroke: 1px rgba(30,19,9,0.03);
  user-select: none;
  pointer-events: none;
  letter-spacing: 0.1em;
}

.regulation-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 28px;
}

.reg-card {
  padding: 44px 40px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  position: relative;
}
.reg-ok::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: var(--color-ok);
  opacity: 0.45;
}
.reg-ng::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: var(--color-ng);
  opacity: 0.35;
}

.reg-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--color-border);
  width: 100%;
}
.reg-badge.ok { color: var(--color-ok); }
.reg-badge.ng { color: var(--color-ng); }

.reg-card h3 {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-brown);
  margin-bottom: 24px;
  letter-spacing: 0.02em;
}

.reg-card ul li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 0;
  font-size: 0.78rem;
  color: var(--color-text-sub);
  border-bottom: 1px solid var(--color-border-lt);
  line-height: 1.7;
  letter-spacing: 0.02em;
}
.reg-card ul li:last-child { border-bottom: none; }
.reg-ok ul li i { color: var(--color-ok); flex-shrink: 0; margin-top: 3px; font-size: 0.72rem; }
.reg-ng ul li i { color: var(--color-ng); flex-shrink: 0; margin-top: 3px; font-size: 0.72rem; }

.regulation-note {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 18px 24px;
  background: rgba(166,124,42,0.04);
  border: 1px solid var(--color-border-gd);
}
.regulation-note i { color: var(--color-gold); flex-shrink: 0; margin-top: 3px; font-size: 0.82rem; }
.regulation-note p { font-size: 0.76rem; color: var(--color-text-lt); line-height: 2; letter-spacing: 0.03em; }

/* ============================================================
   FLOW
   ============================================================ */
.flow {
  background: var(--color-bg-3);
}

.flow-steps {
  display: flex;
  align-items: stretch;
  gap: 0;
  position: relative;
  border: 1px solid var(--color-border);
}

.flow-step {
  flex: 1;
  padding: 52px 28px;
  background: var(--color-surface);
  border: none;
  border-right: 1px solid var(--color-border);
  text-align: center;
  transition: background var(--transition);
  position: relative;
}
.flow-step:last-child { border-right: none; }
.flow-step:hover { background: var(--color-bg); }

.flow-step::before {
  content: '';
  position: absolute;
  top: 0; left: 50%;
  width: 1px;
  height: 20px;
  background: var(--color-gold);
  opacity: 0.35;
  transform: translateX(-50%);
}

.flow-step-num {
  font-family: var(--font-en);
  font-size: 0.58rem;
  letter-spacing: 0.3em;
  color: var(--color-gold);
  margin-bottom: 18px;
  margin-top: 8px;
  text-transform: uppercase;
}

.flow-step-icon {
  width: 52px;
  height: 52px;
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  background: var(--color-bg-3);
}
.flow-step-icon i { font-size: 1.1rem; color: var(--color-brown-lt); }

.flow-step h3 {
  font-family: var(--font-serif);
  font-size: 0.92rem;
  font-weight: 400;
  color: var(--color-brown);
  margin-bottom: 14px;
  line-height: 1.6;
  letter-spacing: 0.02em;
}
.flow-step p {
  font-size: 0.75rem;
  color: var(--color-text-lt);
  line-height: 2.1;
}

.flow-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
  color: var(--color-gold);
  opacity: 0.2;
  font-size: 0.7rem;
  flex-shrink: 0;
  background: var(--color-surface);
  border-right: 1px solid var(--color-border);
}

/* ============================================================
   PLAN
   ============================================================ */
.plan {
  background: var(--color-bg-2);
}

/* カバン用 2プラングリッド */
.plan-grid.two-col {
  grid-template-columns: 1fr 1fr;
  max-width: 780px;
  margin-left: auto;
  margin-right: auto;
}

.plan-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0;
  margin-bottom: 28px;
  align-items: stretch;
  border: 1px solid var(--color-border);
}

.plan-card {
  background: var(--color-surface);
  border: none;
  border-right: 1px solid var(--color-border);
  padding: 52px 36px;
  position: relative;
  transition: background var(--transition);
}
.plan-card:last-child { border-right: none; }
.plan-card:hover { background: var(--color-bg-3); }

.plan-featured {
  background: var(--color-brown) !important;
  border-right: 1px solid rgba(255,255,255,0.05) !important;
}
.plan-featured:hover { background: var(--color-brown-md) !important; }

.plan-popular {
  position: absolute;
  top: 0; left: 0; right: 0;
  background: var(--color-gold);
  color: var(--color-brown);
  font-size: 0.58rem;
  font-weight: 500;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  padding: 7px;
  text-align: center;
}

.plan-tag {
  font-family: var(--font-en);
  font-size: 0.58rem;
  letter-spacing: 0.42em;
  color: var(--color-text-xlt);
  text-transform: uppercase;
  margin-bottom: 8px;
  margin-top: 8px;
}
.plan-featured .plan-tag { color: var(--color-gold); margin-top: 40px; }

.plan-name {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 300;
  color: var(--color-brown);
  margin-bottom: 28px;
  letter-spacing: 0.04em;
}
.plan-featured .plan-name { color: var(--color-bg-3); }

.plan-price {
  display: flex;
  align-items: baseline;
  gap: 2px;
  margin-bottom: 28px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--color-border);
}
.plan-featured .plan-price { border-bottom-color: rgba(255,255,255,0.08); }

.price-from {
  font-size: 0.88rem;
  color: var(--color-gold);
  font-weight: 400;
}
.price-num {
  font-family: var(--font-en);
  font-size: 2.6rem;
  font-weight: 300;
  color: var(--color-brown);
  line-height: 1;
  letter-spacing: -0.02em;
}
.plan-featured .price-num { color: var(--color-bg-3); }
.price-unit {
  font-size: 0.7rem;
  color: var(--color-text-xlt);
  margin-left: 6px;
  letter-spacing: 0.06em;
}
.plan-featured .price-unit { color: rgba(243,237,226,0.4); }

.plan-features {
  margin-bottom: 36px;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.plan-features li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.76rem;
  color: var(--color-text-sub);
  line-height: 1.7;
  padding: 10px 0;
  border-bottom: 1px solid var(--color-border-lt);
  letter-spacing: 0.02em;
}
.plan-features li:last-child { border-bottom: none; }
.plan-featured .plan-features li { color: rgba(243,237,226,0.6); border-bottom-color: rgba(255,255,255,0.05); }
.plan-features li i {
  color: var(--color-gold);
  flex-shrink: 0;
  margin-top: 2px;
  font-size: 0.72rem;
}

.plan-btn {
  display: block;
  text-align: center;
  padding: 13px;
  border: 1px solid var(--color-border);
  color: var(--color-brown);
  font-size: 0.65rem;
  font-weight: 400;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  transition: all var(--transition);
}
.plan-btn:hover {
  background: var(--color-brown);
  border-color: var(--color-brown);
  color: var(--color-bg-3);
}

.plan-btn-featured {
  border-color: var(--color-gold) !important;
  background: var(--color-gold) !important;
  color: var(--color-brown) !important;
}
.plan-btn-featured:hover {
  background: var(--color-gold-lt) !important;
  border-color: var(--color-gold-lt) !important;
}

/* タブ切り替え */
.plan-category-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 36px;
  border: 1px solid var(--color-border);
  width: fit-content;
}

.plan-tab {
  padding: 11px 44px;
  font-family: var(--font-sans);
  font-size: 0.68rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  color: var(--color-text-lt);
  background: var(--color-surface);
  border: none;
  border-right: 1px solid var(--color-border);
  cursor: pointer;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  gap: 8px;
  text-transform: uppercase;
}
.plan-tab:last-child { border-right: none; }
.plan-tab i { font-size: 0.75rem; }

.plan-tab:hover {
  background: var(--color-bg-2);
  color: var(--color-brown);
}
.plan-tab.active {
  background: var(--color-brown);
  color: var(--color-bg-3);
}
.plan-tab.active i { color: var(--color-gold); }

.plan-note {
  font-size: 0.72rem;
  color: var(--color-text-xlt);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 20px;
  letter-spacing: 0.04em;
}
.plan-note i { color: var(--color-gold); font-size: 0.78rem; }

/* ============================================================
   FAQ
   ============================================================ */
.faq {
  background: var(--color-bg-3);
}

.faq-list {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--color-border);
}

.faq-item {
  border: none;
  border-bottom: 1px solid var(--color-border);
  overflow: hidden;
  transition: background var(--transition);
}
.faq-item:last-child { border-bottom: none; }
.faq-item.is-open { background: var(--color-surface); }

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 22px 32px;
  text-align: left;
  background: transparent;
  color: var(--color-brown);
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 400;
  line-height: 1.8;
  transition: background var(--transition);
  letter-spacing: 0.02em;
}
.faq-question:hover { background: rgba(30,19,9,0.015); }

.faq-icon {
  flex-shrink: 0;
  color: var(--color-gold);
  font-size: 0.72rem;
  transition: transform var(--transition);
  width: 18px;
  height: 18px;
  border: 1px solid var(--color-border-gd);
  display: flex;
  align-items: center;
  justify-content: center;
}
.faq-item.is-open .faq-icon {
  transform: rotate(45deg);
  border-color: var(--color-gold);
  background: rgba(166,124,42,0.06);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.45s ease;
  background: var(--color-bg-3);
}
.faq-answer.is-open {
  max-height: 320px;
  padding: 16px 28px 22px;
}
.faq-answer p {
  font-size: 0.76rem;
  color: var(--color-text-lt);
  line-height: 2.2;
  border-left: 1px solid var(--color-gold);
  padding-left: 16px;
  opacity: 0.85;
  letter-spacing: 0.02em;
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact {
  background: var(--color-brown);
  position: relative;
  overflow: hidden;
}
.contact::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-gold-lt) 30%, var(--color-gold) 50%, var(--color-gold-lt) 70%, transparent);
  opacity: 0.5;
}

.contact::after {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 60px,
    rgba(255,255,255,0.008) 60px,
    rgba(255,255,255,0.008) 61px
  );
  pointer-events: none;
}

.contact-inner {
  max-width: 720px;
  margin: 0 auto;
  padding: var(--section-pad) 48px;
  text-align: center;
  position: relative;
  z-index: 1;
}

.contact-title {
  font-family: var(--font-serif);
  font-size: clamp(1.7rem, 3.5vw, 2.5rem);
  font-weight: 300;
  color: var(--color-bg-3);
  margin-bottom: 20px;
  letter-spacing: 0.04em;
}

.contact-desc {
  font-size: 0.8rem;
  color: rgba(243,237,226,0.45);
  line-height: 2.2;
  margin-bottom: 52px;
  letter-spacing: 0.04em;
}

.contact-form {
  text-align: left;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 14px;
}

.form-group label {
  font-size: 0.62rem;
  color: rgba(243,237,226,0.4);
  display: flex;
  align-items: center;
  gap: 8px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.required {
  font-size: 0.58rem;
  background: rgba(166,124,42,0.2);
  color: var(--color-gold-pale);
  padding: 2px 8px;
  letter-spacing: 0.08em;
}

.form-group input,
.form-group select,
.form-group textarea {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 0;
  padding: 13px 16px;
  color: var(--color-bg-3);
  font-family: var(--font-sans);
  font-size: 0.82rem;
  outline: none;
  transition: border-color var(--transition), background var(--transition);
  width: 100%;
  letter-spacing: 0.04em;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(243,237,226,0.15); }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: rgba(166,124,42,0.5);
  background: rgba(255,255,255,0.06);
}
.form-group select option { background: var(--color-brown); }
.form-group select { color: rgba(243,237,226,0.7); }

.form-submit {
  text-align: center;
  margin-top: 12px;
}

.btn-submit {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 16px 60px;
  background: var(--color-gold);
  color: var(--color-brown);
  font-family: var(--font-sans);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  border-radius: 0;
  cursor: pointer;
  border: 1px solid var(--color-gold);
  transition: all var(--transition);
}
.btn-submit:hover {
  background: var(--color-gold-lt);
  border-color: var(--color-gold-lt);
  transform: translateY(-1px);
  box-shadow: 0 6px 32px rgba(166,124,42,0.25);
}

.form-notice {
  margin-top: 20px;
  text-align: center;
  font-size: 0.78rem;
  min-height: 24px;
  letter-spacing: 0.06em;
}
.form-notice.success { color: #85c9a4; }
.form-notice.error   { color: #e08585; }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--color-bg-2);
  border-top: 1px solid var(--color-border);
  padding: 72px 48px 44px;
}

.footer-inner {
  max-width: 860px;
  margin: 0 auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
}

.footer-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
/* フッターロゴ：クリーム背景なのでそのまま表示 */
.footer-logo-img {
  height: 36px;
  width: auto;
  display: block;
  object-fit: contain;
  mix-blend-mode: multiply;
}
.footer-logo .logo-ja {
  font-size: 0.55rem;
  color: var(--color-text-xlt);
  letter-spacing: 0.3em;
  text-transform: uppercase;
}

.footer-divider {
  width: 40px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
  opacity: 0.5;
}

.footer-desc {
  font-size: 0.76rem;
  color: var(--color-text-lt);
  line-height: 2.2;
  max-width: 460px;
  letter-spacing: 0.03em;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px 28px;
}
.footer-nav a {
  font-size: 0.62rem;
  color: var(--color-text-xlt);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  transition: color var(--transition);
}
.footer-nav a:hover { color: var(--color-brown); }

.footer-official {
  font-family: var(--font-en);
  font-size: 0.62rem;
  color: var(--color-gold);
  letter-spacing: 0.28em;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 28px;
  border: 1px solid rgba(166,124,42,0.2);
  opacity: 0.7;
}

.footer-copy {
  font-size: 0.65rem;
  color: var(--color-text-xlt);
  opacity: 0.45;
  letter-spacing: 0.08em;
}

/* ============================================================
   BACK TO TOP
   ============================================================ */
.back-to-top {
  position: fixed;
  bottom: 36px;
  right: 36px;
  width: 40px;
  height: 40px;
  background: var(--color-brown);
  color: var(--color-bg-3);
  border-radius: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition);
  z-index: 900;
  border: 1px solid rgba(166,124,42,0.2);
}
.back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
}
.back-to-top:hover {
  background: var(--color-brown-md);
  transform: translateY(-2px);
  border-color: var(--color-gold);
}

/* ============================================================
   ANIMATIONS (Intersection Observer)
   ============================================================ */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.9s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              transform 0.9s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.fade-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   GALLERY / WORKS SECTION
   ============================================================ */
.works {
  background: var(--color-bg-3);
}

.works-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  margin: 0;
  line-height: 0;
  font-size: 0;
}

.works-intro-text {
  padding: 72px 64px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: var(--color-surface);
  font-size: 1rem;
  line-height: 1.9;
}

.works-intro-img {
  position: relative;
  overflow: hidden;
  min-height: 440px;
  display: block;
  line-height: 0;
  font-size: 0;
}
.works-intro-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 1s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  filter: contrast(1.02) saturate(0.95);
}
.works-intro-img:hover img { transform: scale(1.03); }

.works-lead {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--color-brown);
  line-height: 1.7;
  margin-bottom: 28px;
  letter-spacing: 0.03em;
}
.works-lead em {
  font-style: italic;
  color: var(--color-gold);
}

.works-lead-sub {
  font-size: 0.78rem;
  color: var(--color-text-lt);
  line-height: 2.2;
  letter-spacing: 0.03em;
}

/* ギャラリーグリッド */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin: 0;
  padding: 0;
  font-size: 0;
  line-height: 0;
}

.gallery-item {
  position: relative;
  overflow: hidden;
  aspect-ratio: 3/4;
  border: none;
  cursor: pointer;
  background: var(--color-bg-2);
  display: block;
  font-size: 1rem;
  line-height: 1;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.9s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  filter: contrast(1.01) saturate(0.93);
}

.gallery-item:hover img { transform: scale(1.05); }

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: rgba(30,19,9,0);
  display: flex;
  align-items: flex-end;
  padding: 20px;
  transition: background 0.5s ease;
}
.gallery-item:hover .gallery-overlay {
  background: rgba(30,19,9,0.35);
}

.gallery-caption {
  color: rgba(243,237,226,0.9);
  font-family: var(--font-en);
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  opacity: 0;
  transform: translateY(6px);
  transition: all 0.5s ease;
}
.gallery-item:hover .gallery-caption {
  opacity: 1;
  transform: translateY(0);
}

.gallery-item.wide {
  grid-column: span 2;
  aspect-ratio: 16/9;
}

/* 実績ナンバー（レガシー） */
.works-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--color-border);
  border-top: none;
}

.stat-item {
  padding: 48px 40px;
  text-align: center;
  border-right: 1px solid var(--color-border);
  background: var(--color-surface);
}
.stat-item:last-child { border-right: none; }

.stat-num {
  font-family: var(--font-en);
  font-size: 3rem;
  font-weight: 300;
  color: var(--color-brown);
  line-height: 1;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}
.stat-num span { font-size: 1.3rem; color: var(--color-gold); }

.stat-label {
  font-size: 0.68rem;
  color: var(--color-text-lt);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

/* AI生成プランバナー */
.ai-plan-banner {
  background: var(--color-brown-md);
  padding: 72px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.ai-plan-banner::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-gold-lt) 50%, transparent);
  opacity: 0.4;
}
.ai-plan-banner::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-gold-lt) 50%, transparent);
  opacity: 0.2;
}

.ai-banner-tag {
  font-family: var(--font-en);
  font-size: 0.58rem;
  letter-spacing: 0.46em;
  color: var(--color-gold);
  text-transform: uppercase;
  margin-bottom: 20px;
}

.ai-banner-title {
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 3vw, 2.1rem);
  font-weight: 300;
  color: var(--color-bg-3);
  margin-bottom: 20px;
  letter-spacing: 0.04em;
}

.ai-banner-desc {
  font-size: 0.8rem;
  color: rgba(243,237,226,0.45);
  line-height: 2.2;
  max-width: 520px;
  margin: 0 auto 36px;
  letter-spacing: 0.03em;
}

.ai-banner-features {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 28px;
  margin-bottom: 40px;
}
.ai-banner-features span {
  font-size: 0.72rem;
  color: rgba(243,237,226,0.5);
  display: flex;
  align-items: center;
  gap: 8px;
  letter-spacing: 0.08em;
}
.ai-banner-features span i { color: var(--color-gold); font-size: 0.7rem; }

/* モデルショット行 */
.model-shot-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  border: 1px solid var(--color-border);
  border-top: none;
}

.model-shot-item {
  position: relative;
  overflow: hidden;
  aspect-ratio: 2/3;
  border-right: 1px solid var(--color-border);
}
.model-shot-item:last-child { border-right: none; }

.model-shot-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  filter: contrast(1.01) saturate(0.94);
}
.model-shot-item:hover img { transform: scale(1.03); }

.model-shot-label {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 16px 20px;
  background: linear-gradient(to top, rgba(30,19,9,0.5), transparent);
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.68rem;
  color: rgba(243,237,226,0.85);
  letter-spacing: 0.1em;
}

.label-tag {
  font-size: 0.55rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 0;
  font-weight: 400;
}
.label-tag.actual {
  background: rgba(30,19,9,0.5);
  color: var(--color-gold-pale);
  border: 1px solid rgba(166,124,42,0.25);
}
.label-tag.ai-gen {
  background: rgba(61,42,21,0.6);
  color: var(--color-gold-pale);
}

/* AIサンプルカード */
.model-ai-sample {
  background: var(--color-brown-md);
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 2/3;
}
.model-ai-sample img { display: none; }

.ai-sample-content {
  text-align: center;
  padding: 40px 28px;
}
.ai-sample-content i {
  font-size: 2rem;
  color: var(--color-gold);
  margin-bottom: 20px;
  display: block;
  opacity: 0.7;
}

.ai-sample-title {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 300;
  color: var(--color-bg-3);
  margin-bottom: 14px;
  letter-spacing: 0.04em;
}

.ai-sample-desc {
  font-size: 0.72rem;
  color: rgba(243,237,226,0.45);
  line-height: 2;
  margin-bottom: 28px;
  letter-spacing: 0.03em;
}

.ai-sample-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  border: 1px solid rgba(166,124,42,0.35);
  color: var(--color-gold-pale);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  transition: all var(--transition);
}
.ai-sample-btn:hover {
  background: rgba(166,124,42,0.08);
  border-color: var(--color-gold);
}

/* Lightbox */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(20,14,6,0.94);
  z-index: 2000;
  align-items: center;
  justify-content: center;
}
.lightbox.is-open { display: flex; }
.lightbox img {
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
  border: 1px solid rgba(255,255,255,0.06);
}
.lightbox-close {
  position: absolute;
  top: 24px;
  right: 32px;
  color: rgba(243,237,226,0.5);
  font-size: 1.6rem;
  cursor: pointer;
  transition: color var(--transition);
  background: none;
  border: none;
}
.lightbox-close:hover { color: var(--color-gold-pale); }

/* ============================================================
   LEGAL PAGE（特定商取引法に基づく表記）
   ============================================================ */
.legal-page {
  background: var(--color-bg-3);
  min-height: 100vh;
}

.legal-hero {
  background: var(--color-bg-2);
  border-bottom: 1px solid var(--color-border);
  padding: 160px 48px 64px;
  text-align: center;
}

.legal-hero-tag {
  font-family: var(--font-en);
  font-size: 0.58rem;
  letter-spacing: 0.48em;
  color: var(--color-gold);
  text-transform: uppercase;
  margin-bottom: 24px;
}

.legal-hero-title {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 3.4vw, 2.4rem);
  font-weight: 300;
  color: var(--color-brown);
  letter-spacing: 0.04em;
}

.legal-body {
  max-width: 860px;
  margin: 0 auto;
  padding: 88px 48px 120px;
}

.legal-back {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-lt);
  margin-bottom: 56px;
  transition: color var(--transition);
}
.legal-back:hover { color: var(--color-gold-dk); }
.legal-back i { color: var(--color-gold); font-size: 0.65rem; }

.legal-table {
  width: 100%;
  border-collapse: collapse;
  border-top: 1px solid var(--color-border);
}
.legal-table tr {
  border-bottom: 1px solid var(--color-border);
}
.legal-table th,
.legal-table td {
  text-align: left;
  padding: 26px 20px;
  vertical-align: top;
  font-size: 0.8rem;
  line-height: 2;
  letter-spacing: 0.02em;
}
.legal-table th {
  width: 220px;
  color: var(--color-brown);
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  padding-right: 32px;
}
.legal-table td {
  color: var(--color-text-sub);
}
.legal-table td strong { color: var(--color-brown); font-weight: 500; }
.legal-table td ul { margin: 0; padding: 0; }
.legal-table td ul li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 6px;
}
.legal-table td ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 5px;
  height: 1px;
  background: var(--color-gold);
}
.legal-table td .legal-note {
  display: block;
  margin-top: 10px;
  font-size: 0.72rem;
  color: var(--color-text-xlt);
  letter-spacing: 0.03em;
}

.legal-footer-note {
  margin-top: 56px;
  padding: 24px 28px;
  background: rgba(166,124,42,0.04);
  border: 1px solid var(--color-border-gd);
  font-size: 0.75rem;
  color: var(--color-text-lt);
  line-height: 2;
  letter-spacing: 0.03em;
  display: flex;
  align-items: flex-start;
  gap: 14px;
}
.legal-footer-note i { color: var(--color-gold); margin-top: 3px; flex-shrink: 0; }

@media (max-width: 768px) {
  .legal-hero { padding: 130px 24px 48px; }
  .legal-body { padding: 56px 24px 80px; }
  .legal-table th,
  .legal-table td {
    display: block;
    width: 100%;
    padding: 8px 0;
  }
  .legal-table th { padding-top: 22px; border-bottom: none; }
  .legal-table tr { display: block; padding-bottom: 8px; }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  :root { --section-pad: 96px; }

  .plan-grid {
    grid-template-columns: 1fr 1fr;
    border: 1px solid var(--color-border);
  }
  .plan-grid.two-col {
    grid-template-columns: 1fr 1fr;
  }
  .plan-card {
    border-right: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
  }
  .plan-card:nth-child(2n) { border-right: none; }
  .plan-card:nth-child(3) { border-bottom: none; grid-column: span 2; }
  .plan-grid.two-col .plan-card:nth-child(3) { grid-column: auto; border-bottom: none; }

  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .service-card:nth-child(2n) { border-right: none; }
  .service-card:nth-child(5),
  .service-card:nth-child(6) { border-bottom: none; }

  .flow-steps { flex-direction: column; border: 1px solid var(--color-border); }
  .flow-step { border-right: none; border-bottom: 1px solid var(--color-border); }
  .flow-step:last-child { border-bottom: none; }
  .flow-arrow { display: none; }

  .regulation-grid { grid-template-columns: 1fr; }
  .hero-official-badge { display: none; }

  .works-intro { grid-template-columns: 1fr; }
  .works-intro-img { min-height: 320px; }

  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-item.wide { grid-column: span 2; }
  .works-stats { grid-template-columns: repeat(3, 1fr); }

  .hero { grid-template-columns: 1fr; }
  .hero-right { display: none; }
  .hero-left { border-right: none; min-height: 100vh; }
  .hero-content { text-align: center; padding: 40px 48px; max-width: 100%; }
  .hero-tag { justify-content: center; }
  .hero-badges { justify-content: center; }
  .hero-cta-group { justify-content: center; }
}

@media (max-width: 768px) {
  :root { --section-pad: 72px; }

  .nav-links { display: none; }
  .nav-hamburger { display: flex; }

  .nav-links.is-open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 68px; left: 0; right: 0; bottom: 0;
    background: rgba(243,237,226,0.98);
    backdrop-filter: blur(24px);
    align-items: center;
    justify-content: center;
    gap: 28px;
    z-index: 999;
  }
  .nav-links.is-open a {
    font-size: 0.82rem;
    color: var(--color-brown);
    letter-spacing: 0.22em;
  }
  .nav-links.is-open .nav-cta { padding: 12px 40px !important; }

  .nav-container { padding: 0 24px; }
  .section-container { padding: var(--section-pad) 24px; }

  .challenges-grid { grid-template-columns: 1fr; background: var(--color-border); border: 1px solid var(--color-border); }
  .challenge-card { border-bottom: 1px solid var(--color-border); }
  .challenge-card:last-child { border-bottom: none; }

  .service-grid { grid-template-columns: 1fr; background: var(--color-border); }
  .service-card { border-right: none; }

  .plan-grid { grid-template-columns: 1fr; }
  .plan-grid.two-col { grid-template-columns: 1fr; max-width: 100%; }
  .plan-card { border-right: none; }
  .plan-card:nth-child(3) { grid-column: auto; border-bottom: none; }

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

  .features-strip { padding: 18px 24px; }
  .feature-divider { display: none; }
  .features-inner { justify-content: flex-start; gap: 14px; }

  .hero-content { padding: 110px 24px 70px; }
  .pc-br { display: none; }

  .site-footer { padding: 56px 24px 36px; }
  .back-to-top { bottom: 20px; right: 20px; }

  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-item.wide { grid-column: span 2; }
  .works-stats { grid-template-columns: 1fr; }
  .stat-item { border-right: none; border-bottom: 1px solid var(--color-border); }
  .stat-item:last-child { border-bottom: none; }

  .works-intro-text { padding: 48px 28px; }
  .ai-plan-banner { padding: 56px 24px; }

  .model-shot-row { grid-template-columns: 1fr; }
  .model-shot-item { border-right: none; border-bottom: 1px solid var(--color-border); aspect-ratio: 4/3; }
  .model-ai-sample { aspect-ratio: auto; min-height: 260px; }

  .plan-tab { padding: 10px 24px; }

  .hero-content { padding: 40px 24px; }
  .hero-scroll-hint { left: 50%; transform: translateX(-50%); }
}

@media (max-width: 480px) {
  .hero-badges { flex-direction: column; align-items: center; }
  .hero-cta-group { flex-direction: column; align-items: stretch; text-align: center; }
  .btn-primary, .btn-secondary { display: block; max-width: 300px; margin: 0 auto; }
  .contact-inner { padding: 64px 24px; }
  .gallery-grid { grid-template-columns: 1fr; }
  .gallery-item.wide { grid-column: auto; aspect-ratio: 4/3; }
  .hero-official-badge { display: none; }
}