/* ============================================================
   hair kahuna JR蒲田西口店 - 美容脱毛HP スタイルシート
   ============================================================ */

/* ---------- CSS Custom Properties (Design Tokens) ---------- */
:root {
  /* Colors - Original Dark Luxury Theme (Hair Removal) */
  --color-bg-primary: #0a0a0a;
  --color-bg-secondary: #111111;
  --color-bg-tertiary: #1a1a1a;
  --color-bg-card: rgba(255, 255, 255, 0.03);
  --color-bg-card-hover: rgba(255, 255, 255, 0.06);

  --color-gold-primary: #c9a96e;
  --color-gold-light: #e8d5a8;
  --color-gold-dark: #8b7240;
  --color-gold-glow: rgba(201, 169, 110, 0.15);

  --color-text-primary: #f5f0e8;
  --color-text-secondary: #b0a898;
  --color-text-muted: #7a7268;

  --color-accent: #d4a853;
  --color-accent-soft: rgba(212, 168, 83, 0.1);

  --color-border: rgba(201, 169, 110, 0.12);
  --color-border-hover: rgba(201, 169, 110, 0.3);

  /* Gradients */
  --gradient-gold: linear-gradient(135deg, #c9a96e 0%, #e8d5a8 50%, #c9a96e 100%);
  --gradient-dark: linear-gradient(180deg, #0a0a0a 0%, #111111 100%);
  --gradient-hero-overlay: linear-gradient(180deg, rgba(10,10,10,0.3) 0%, rgba(10,10,10,0.85) 100%);
  --gradient-section: linear-gradient(180deg, transparent 0%, rgba(201, 169, 110, 0.02) 50%, transparent 100%);

  /* Typography */
  --font-display: 'Playfair Display', serif;
  --font-body: 'Noto Sans JP', sans-serif;

  --fs-hero-title: clamp(2.2rem, 6vw, 4.5rem);
  --fs-section-title: clamp(1.6rem, 3.5vw, 2.8rem);
  --fs-subtitle: clamp(1rem, 2vw, 1.3rem);
  --fs-body: clamp(0.9rem, 1.5vw, 1.05rem);
  --fs-small: clamp(0.8rem, 1.2vw, 0.9rem);

  /* Spacing */
  --section-padding: clamp(60px, 10vw, 120px);
  --container-max: 1100px;
  --container-padding: clamp(20px, 5vw, 40px);

  /* Effects */
  --border-radius-sm: 8px;
  --border-radius-md: 16px;
  --border-radius-lg: 24px;
  --border-radius-xl: 32px;

  --shadow-card: 0 4px 30px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 40px rgba(201, 169, 110, 0.08);
  --shadow-button: 0 4px 20px rgba(201, 169, 110, 0.25);

  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---------- Agu-like Minimalist Light Theme (Hair Salon) ---------- */
body.theme-hair {
  --color-bg-primary: #ffffff;
  --color-bg-secondary: #f8f9fa;
  --color-bg-tertiary: #f1f3f5;
  --color-bg-card: #ffffff;
  --color-bg-card-hover: #ffffff;

  --color-gold-primary: #333333; /* Dark gray for primary accents */
  --color-gold-light: #555555;
  --color-gold-dark: #111111;
  --color-gold-glow: rgba(0, 0, 0, 0.03);

  --color-text-primary: #1a1a1a;
  --color-text-secondary: #4a4a4a;
  --color-text-muted: #888888;

  --color-accent: #1a1a1a;
  --color-accent-soft: rgba(0, 0, 0, 0.03);

  --color-border: #e9ecef;
  --color-border-hover: #adb5bd;

  --gradient-gold: linear-gradient(135deg, #222 0%, #444 100%);
  --gradient-dark: linear-gradient(180deg, #ffffff 0%, #f8f9fa 100%);
  --gradient-hero-overlay: linear-gradient(180deg, rgba(255,255,255,0.2) 0%, rgba(255,255,255,0.9) 100%);
  --gradient-section: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.02) 50%, transparent 100%);

  --font-display: 'Inter', 'Noto Sans JP', sans-serif;
  
  --border-radius-sm: 0px;
  --border-radius-md: 0px;
  --border-radius-lg: 0px;
  --border-radius-xl: 0px;

  --shadow-card: 0 2px 10px rgba(0, 0, 0, 0.04);
  --shadow-glow: 0 0 20px rgba(0, 0, 0, 0.03);
  --shadow-button: 0 4px 15px rgba(0, 0, 0, 0.08);
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

ul, ol {
  list-style: none;
}

/* ---------- Utility Classes ---------- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

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

.text-gold {
  color: var(--color-gold-primary);
}

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

/* ---------- Section Title ---------- */
.section-header {
  text-align: center;
  margin-bottom: clamp(40px, 6vw, 70px);
}

.section-label {
  font-family: var(--font-display);
  font-size: var(--fs-small);
  color: var(--color-gold-primary);
  text-transform: uppercase;
  letter-spacing: 4px;
  margin-bottom: 12px;
  display: block;
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--fs-section-title);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 16px;
  line-height: 1.3;
}

.section-divider {
  width: 60px;
  height: 1px;
  background: var(--gradient-gold);
  margin: 20px auto;
  position: relative;
}

.section-divider::after {
  content: '';
  position: absolute;
  top: -3px;
  left: 50%;
  transform: translateX(-50%);
  width: 7px;
  height: 7px;
  background: var(--color-gold-primary);
  border-radius: 50%;
}

.section-subtitle {
  font-size: var(--fs-body);
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* ---------- Scroll Animations ---------- */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Stagger delay for children */
.stagger > *:nth-child(1) { transition-delay: 0.1s; }
.stagger > *:nth-child(2) { transition-delay: 0.2s; }
.stagger > *:nth-child(3) { transition-delay: 0.3s; }
.stagger > *:nth-child(4) { transition-delay: 0.4s; }
.stagger > *:nth-child(5) { transition-delay: 0.5s; }
.stagger > *:nth-child(6) { transition-delay: 0.6s; }

/* ============================================================
   TOP BANNER (CROSS-NAVIGATION)
   ============================================================ */
.top-banner {
  background: var(--color-gold-primary);
  color: var(--color-bg-primary);
  text-align: center;
  padding: 8px 16px;
  font-size: 0.85rem;
  font-weight: 600;
  position: relative;
  z-index: 1001; /* Above navbar */
}

.top-banner a {
  text-decoration: underline;
  margin-left: 8px;
  color: var(--color-bg-primary);
  transition: opacity var(--transition-fast);
}

.top-banner a:hover {
  opacity: 0.8;
}

/* ============================================================
   NAVIGATION
   ============================================================ */
.navbar {
  position: fixed;
  top: 36px; /* Space for the top banner */
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 18px 0;
  transition: all var(--transition-base);
}

.navbar.scrolled {
  top: 0; /* Attach to top when scrolled */
  background: rgba(10, 10, 10, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  padding: 12px 0;
}

body.theme-hair .navbar.scrolled {
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 2px 10px rgba(0,0,0,0.03);
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.nav-logo-main {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-gold-primary);
  letter-spacing: 2px;
  line-height: 1.2;
}

.nav-logo-sub {
  font-size: 0.65rem;
  color: var(--color-text-muted);
  letter-spacing: 1px;
}

.nav-links {
  display: flex;
  gap: 32px;
  align-items: center;
}

.nav-links a {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
  position: relative;
  letter-spacing: 0.5px;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-gold-primary);
  transition: width var(--transition-base);
}

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

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

.nav-cta {
  padding: 8px 24px !important;
  border: 1px solid var(--color-gold-primary) !important;
  border-radius: 30px;
  color: var(--color-gold-primary) !important;
  font-size: 0.82rem !important;
  transition: all var(--transition-fast) !important;
}

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

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

/* Hamburger Button */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 5px;
  background: none;
  border: none;
  z-index: 1001;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--color-gold-primary);
  transition: all var(--transition-base);
  transform-origin: center;
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(4.5px, 4.5px);
}

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

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(4.5px, -4.5px);
}

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 20%;
  filter: brightness(0.5);
}

body.theme-hair .hero-bg img {
  filter: brightness(0.9);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: var(--gradient-hero-overlay);
  z-index: 1;
}

/* Decorative floating particles */
.hero-particles {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
}

.particle {
  position: absolute;
  width: 3px;
  height: 3px;
  background: var(--color-gold-primary);
  border-radius: 50%;
  opacity: 0;
  animation: particleFloat 8s ease-in-out infinite;
}

.particle:nth-child(1) { left: 10%; top: 20%; animation-delay: 0s; }
.particle:nth-child(2) { left: 25%; top: 60%; animation-delay: 1.5s; }
.particle:nth-child(3) { left: 50%; top: 40%; animation-delay: 3s; }
.particle:nth-child(4) { left: 70%; top: 70%; animation-delay: 4.5s; }
.particle:nth-child(5) { left: 85%; top: 30%; animation-delay: 6s; }
.particle:nth-child(6) { left: 40%; top: 80%; animation-delay: 2s; }
.particle:nth-child(7) { left: 60%; top: 15%; animation-delay: 5s; }
.particle:nth-child(8) { left: 15%; top: 45%; animation-delay: 7s; }

@keyframes particleFloat {
  0%, 100% { opacity: 0; transform: translateY(0) scale(1); }
  20% { opacity: 0.6; }
  50% { opacity: 0.3; transform: translateY(-30px) scale(1.5); }
  80% { opacity: 0.5; }
}

.hero-content {
  position: relative;
  z-index: 3;
  text-align: center;
  padding: 0 var(--container-padding);
  max-width: 800px;
}

.hero-badge {
  display: inline-block;
  padding: 6px 20px;
  border: 1px solid var(--color-border-hover);
  border-radius: 30px;
  font-size: 0.75rem;
  color: var(--color-gold-light);
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 28px;
  background: rgba(201, 169, 110, 0.05);
  animation: fadeInDown 1s ease 0.3s both;
}

body.theme-hair .hero-badge {
  background: rgba(0, 0, 0, 0.03);
}

.hero-title {
  font-family: var(--font-display);
  font-size: var(--fs-hero-title);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 24px;
  animation: fadeInUp 1s ease 0.5s both;
}

.hero-title .line {
  display: block;
}

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

.hero-description {
  font-size: var(--fs-subtitle);
  color: var(--color-text-secondary);
  margin-bottom: 40px;
  line-height: 1.9;
  animation: fadeInUp 1s ease 0.7s both;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 1s ease 0.9s both;
}

/* Buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 40px;
  background: var(--gradient-gold);
  color: var(--color-bg-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-button);
  letter-spacing: 0.5px;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 30px rgba(201, 169, 110, 0.35);
}

body.theme-hair .btn-primary:hover {
  box-shadow: 0 6px 30px rgba(0, 0, 0, 0.1);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 40px;
  background: transparent;
  color: var(--color-gold-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  border: 1px solid var(--color-border-hover);
  border-radius: 50px;
  cursor: pointer;
  transition: all var(--transition-base);
  letter-spacing: 0.5px;
}

.btn-secondary:hover {
  background: rgba(201, 169, 110, 0.08);
  border-color: var(--color-gold-primary);
  transform: translateY(-2px);
}

body.theme-hair .btn-secondary:hover {
  background: rgba(0, 0, 0, 0.05);
}

.hero-scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--color-text-muted);
  font-size: 0.7rem;
  letter-spacing: 2px;
  animation: fadeInUp 1s ease 1.2s both;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--color-gold-primary), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(0.6); }
  50% { opacity: 1; transform: scaleY(1); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   ABOUT SECTION (美容脱毛とは)
   ============================================================ */
.about {
  position: relative;
  background: var(--gradient-section);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-image {
  position: relative;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  aspect-ratio: 4/5;
}

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

.about-image:hover img {
  transform: scale(1.03);
}

.about-image-frame {
  position: absolute;
  inset: -1px;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  pointer-events: none;
}

.about-image-accent {
  position: absolute;
  bottom: -15px;
  right: -15px;
  width: 120px;
  height: 120px;
  border: 1px solid var(--color-gold-primary);
  border-radius: var(--border-radius-md);
  opacity: 0.3;
}

.about-content {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.about-content .section-header {
  text-align: left;
  margin-bottom: 0;
}

.about-text {
  font-size: var(--fs-body);
  color: var(--color-text-secondary);
  line-height: 2;
}

.about-features {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 12px;
}

.about-feature-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 20px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-base);
}

.about-feature-item:hover {
  background: var(--color-bg-card-hover);
  border-color: var(--color-border-hover);
}

.about-feature-icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-soft);
  border-radius: 50%;
  color: var(--color-gold-primary);
  font-size: 1.1rem;
  flex-shrink: 0;
}

.about-feature-text {
  font-size: 0.9rem;
  color: var(--color-text-primary);
  font-weight: 500;
}

/* ============================================================
   REASONS SECTION (選ばれる理由)
   ============================================================ */
.reasons {
  background: var(--color-bg-secondary);
  position: relative;
}

.reasons::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-border), transparent);
}

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

.reason-card {
  position: relative;
  padding: 48px 32px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  text-align: center;
  transition: all var(--transition-base);
  overflow: hidden;
}

.reason-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-gold);
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

.reason-card:hover {
  background: var(--color-bg-card-hover);
  border-color: var(--color-border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.reason-card:hover::before {
  transform: scaleX(1);
}

.reason-number {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  background: var(--gradient-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 20px;
  opacity: 0.6;
}

.reason-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-soft);
  border: 1px solid var(--color-border);
  border-radius: 50%;
  font-size: 1.5rem;
  color: var(--color-gold-primary);
}

.reason-title {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 14px;
  color: var(--color-text-primary);
}

.reason-text {
  font-size: var(--fs-small);
  color: var(--color-text-secondary);
  line-height: 1.8;
}

/* ============================================================
   MENU SECTION (脱毛メニュー・料金)
   ============================================================ */
.menu {
  position: relative;
}

.menu-notice {
  text-align: center;
  margin-bottom: 40px;
  padding: 16px 24px;
  background: var(--color-accent-soft);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  color: var(--color-gold-primary);
  font-size: var(--fs-small);
}

.menu-categories {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.menu-tab {
  padding: 10px 28px;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: 30px;
  color: var(--color-text-secondary);
  font-family: var(--font-body);
  font-size: 0.85rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.menu-tab.active,
.menu-tab:hover {
  background: var(--color-gold-primary);
  border-color: var(--color-gold-primary);
  color: var(--color-bg-primary);
}

.menu-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.menu-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 28px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-base);
}

.menu-item:hover {
  background: var(--color-bg-card-hover);
  border-color: var(--color-border-hover);
}

.menu-item-name {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text-primary);
}

.menu-item-detail {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: 4px;
}

.menu-item-price {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--color-gold-primary);
  font-weight: 600;
  white-space: nowrap;
}

.menu-item-price .yen {
  font-size: 0.8rem;
  font-family: var(--font-body);
}

.menu-item-price .tax {
  font-size: 0.65rem;
  color: var(--color-text-muted);
  font-family: var(--font-body);
  font-weight: 400;
}

.menu-campaign {
  margin-top: 40px;
  padding: 36px;
  background: linear-gradient(135deg, rgba(201, 169, 110, 0.08), rgba(201, 169, 110, 0.02));
  border: 1px solid var(--color-border-hover);
  border-radius: var(--border-radius-md);
  text-align: center;
}

.menu-campaign-label {
  display: inline-block;
  padding: 4px 16px;
  background: var(--color-gold-primary);
  color: var(--color-bg-primary);
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 20px;
  margin-bottom: 16px;
  letter-spacing: 1px;
}

.menu-campaign-title {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.menu-campaign-text {
  font-size: var(--fs-small);
  color: var(--color-text-secondary);
}

.menu-campaign-price {
  margin-top: 16px;
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--color-gold-primary);
  font-weight: 700;
}

.menu-campaign-price .original {
  font-size: 1rem;
  color: var(--color-text-muted);
  text-decoration: line-through;
  font-weight: 400;
  margin-right: 12px;
}

/* ============================================================
   FLOW SECTION (施術の流れ)
   ============================================================ */
.flow {
  background: var(--color-bg-secondary);
  position: relative;
}

.flow::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-border), transparent);
}

.flow-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
  max-width: 700px;
  margin: 0 auto;
}

.flow-line {
  position: absolute;
  left: 24px;
  top: 48px;
  bottom: 48px;
  width: 1px;
  background: linear-gradient(to bottom, var(--color-gold-primary), var(--color-border));
}

.flow-step {
  display: flex;
  gap: 32px;
  padding: 28px 0;
  position: relative;
}

.flow-step-number {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-primary);
  border: 1px solid var(--color-gold-primary);
  border-radius: 50%;
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--color-gold-primary);
  font-weight: 600;
  z-index: 1;
}

.flow-step-content {
  flex: 1;
  padding-top: 8px;
}

.flow-step-title {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--color-text-primary);
}

.flow-step-text {
  font-size: var(--fs-small);
  color: var(--color-text-secondary);
  line-height: 1.8;
}

.flow-step-time {
  display: inline-block;
  margin-top: 8px;
  padding: 3px 12px;
  background: var(--color-accent-soft);
  border-radius: 20px;
  font-size: 0.75rem;
  color: var(--color-gold-primary);
}

/* ============================================================
   TESTIMONIALS SECTION (お客様の声)
   ============================================================ */
.testimonials {
  position: relative;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial-card {
  padding: 36px 28px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  transition: all var(--transition-base);
  position: relative;
}

.testimonial-card:hover {
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-glow);
}

.testimonial-stars {
  color: var(--color-gold-primary);
  font-size: 0.9rem;
  margin-bottom: 16px;
  letter-spacing: 2px;
}

.testimonial-text {
  font-size: var(--fs-small);
  color: var(--color-text-secondary);
  line-height: 1.9;
  margin-bottom: 24px;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-accent-soft);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gold-primary);
  font-size: 1rem;
}

.testimonial-info {
  display: flex;
  flex-direction: column;
}

.testimonial-name {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-primary);
}

.testimonial-meta {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

/* Quote decoration */
.testimonial-card::before {
  content: '"';
  position: absolute;
  top: 20px;
  right: 24px;
  font-family: var(--font-display);
  font-size: 4rem;
  color: var(--color-gold-primary);
  opacity: 0.08;
  line-height: 1;
}

/* ============================================================
   SALON / ACCESS SECTION (店舗情報)
   ============================================================ */
.salon {
  background: var(--color-bg-secondary);
  position: relative;
}

.salon::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-border), transparent);
}

.salon-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: start;
}

.salon-image {
  border-radius: var(--border-radius-md);
  overflow: hidden;
  aspect-ratio: 16/10;
}

.salon-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.salon-map {
  margin-top: 24px;
  border-radius: var(--border-radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  aspect-ratio: 16/10;
}

.salon-map iframe {
  width: 100%;
  height: 100%;
  border: none;
  filter: grayscale(0.6) brightness(0.8) contrast(1.1);
}

.salon-info-grid {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.salon-info-item {
  display: flex;
  gap: 16px;
  padding: 20px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
}

.salon-info-icon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-soft);
  border-radius: 50%;
  color: var(--color-gold-primary);
  font-size: 1rem;
}

.salon-info-content {
  flex: 1;
}

.salon-info-label {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-bottom: 4px;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.salon-info-value {
  font-size: 0.92rem;
  color: var(--color-text-primary);
  line-height: 1.6;
}

/* ============================================================
   FAQ SECTION (よくある質問)
   ============================================================ */
.faq {
  position: relative;
}

.faq-list {
  max-width: 750px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  overflow: hidden;
  transition: all var(--transition-base);
}

.faq-item:hover {
  border-color: var(--color-border-hover);
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 22px 28px;
  background: var(--color-bg-card);
  cursor: pointer;
  transition: background var(--transition-fast);
  user-select: none;
}

.faq-question:hover {
  background: var(--color-bg-card-hover);
}

.faq-question-text {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text-primary);
  display: flex;
  align-items: center;
  gap: 12px;
}

.faq-q-label {
  color: var(--color-gold-primary);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.1rem;
}

.faq-toggle {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  color: var(--color-gold-primary);
  font-size: 1.2rem;
  transition: all var(--transition-base);
  flex-shrink: 0;
}

.faq-item.active .faq-toggle {
  transform: rotate(45deg);
  background: var(--color-gold-primary);
  color: var(--color-bg-primary);
  border-color: var(--color-gold-primary);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1),
              padding 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-answer-inner {
  padding: 0 28px 24px;
  padding-left: 60px;
  font-size: var(--fs-small);
  color: var(--color-text-secondary);
  line-height: 1.9;
}

.faq-item.active .faq-answer {
  max-height: 300px;
}

/* ============================================================
   CTA SECTION (予約セクション)
   ============================================================ */
.cta-section {
  position: relative;
  text-align: center;
  background: linear-gradient(135deg, rgba(201, 169, 110, 0.06), rgba(201, 169, 110, 0.02));
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.cta-title {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3vw, 2.2rem);
  font-weight: 700;
  margin-bottom: 16px;
}

.cta-text {
  font-size: var(--fs-body);
  color: var(--color-text-secondary);
  margin-bottom: 36px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-cta-phone {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 18px 44px;
  background: var(--gradient-gold);
  color: var(--color-bg-primary);
  font-size: 1.1rem;
  font-weight: 700;
  border-radius: 50px;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-button);
  border: none;
  cursor: pointer;
  font-family: var(--font-body);
}

.btn-cta-phone:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 35px rgba(201, 169, 110, 0.4);
}

.btn-cta-line {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 18px 44px;
  background: #06C755;
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 50px;
  transition: all var(--transition-base);
  border: none;
  cursor: pointer;
  font-family: var(--font-body);
}

.btn-cta-line:hover {
  background: #05b04c;
  transform: translateY(-3px);
  box-shadow: 0 6px 25px rgba(6, 199, 85, 0.3);
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--color-bg-primary);
  padding: 50px 0 30px;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 40px;
  flex-wrap: wrap;
  gap: 30px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--color-gold-primary);
  font-weight: 700;
  letter-spacing: 2px;
}

.footer-branch {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

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

.footer-links a {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: 24px;
  text-align: center;
}

.footer-copyright {
  font-size: 0.72rem;
  color: var(--color-text-muted);
  letter-spacing: 0.5px;
}

/* ============================================================
   RESPONSIVE DESIGN
   ============================================================ */

/* Tablet */
@media (max-width: 968px) {
  .nav-links {
    display: none;
    position: fixed;
    top: 0;
    right: 0;
    width: 280px;
    height: 100vh;
    background: rgba(10, 10, 10, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    gap: 24px;
    padding: 40px;
    border-left: 1px solid var(--color-border);
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    font-size: 1rem;
  }

  .hamburger {
    display: flex;
  }

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

  .about-image {
    max-width: 400px;
    margin: 0 auto;
  }

  .about-content .section-header {
    text-align: center;
  }

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

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

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

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

/* Mobile */
@media (max-width: 640px) {
  .reasons-grid {
    grid-template-columns: 1fr;
  }

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

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .hero-buttons .btn-primary,
  .hero-buttons .btn-secondary {
    width: 100%;
    max-width: 300px;
    justify-content: center;
  }

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

  .btn-cta-phone,
  .btn-cta-line {
    width: 100%;
    max-width: 320px;
    justify-content: center;
  }

  .footer-top {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .footer-links {
    flex-wrap: wrap;
    justify-content: center;
  }

  .flow-step {
    gap: 20px;
  }

  .menu-categories {
    gap: 8px;
  }

  .menu-tab {
    padding: 8px 18px;
    font-size: 0.8rem;
  }

  .menu-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .faq-answer-inner {
    padding-left: 28px;
  }
}