/* YUME Minimal Modern - 白黒基調洗練デザイン */

/* ===== ULTRA-SOPHISTICATED DESIGN SYSTEM ===== */
:root {
  /* Ultra-Refined Monochrome Base */
  --yume-black: #0f0f0f;
  --yume-charcoal: #1a1d23;
  --yume-white: #fefefe;
  --yume-pearl: #f9fafb;
  --yume-gray-50: #f8fafc;
  --yume-gray-100: #f1f5f9;
  --yume-gray-200: #e2e8f0;
  --yume-gray-300: #cbd5e1;
  --yume-gray-400: #94a3b8;
  --yume-gray-500: #64748b;
  --yume-gray-600: #475569;
  --yume-gray-700: #334155;
  --yume-gray-800: #1e293b;
  --yume-gray-900: #0f172a;
  
  /* Sophisticated Color Palette - Premium Brand Colors */
  --yume-primary: #1e40af;
  --yume-primary-light: #3b82f6;
  --yume-primary-dark: #1e3a8a;
  --yume-primary-50: #eff6ff;
  --yume-primary-100: #dbeafe;
  --yume-primary-200: #bfdbfe;
  
  --yume-accent: #f59e0b;
  --yume-accent-light: #fbbf24;
  --yume-accent-dark: #d97706;
  --yume-accent-50: #fffbeb;
  --yume-accent-100: #fef3c7;
  --yume-accent-200: #fde68a;
  
  --yume-secondary: #8b5cf6;
  --yume-secondary-light: #a78bfa;
  --yume-secondary-dark: #7c3aed;
  --yume-secondary-50: #f5f3ff;
  --yume-secondary-100: #ede9fe;
  
  --yume-success: #10b981;
  --yume-success-light: #34d399;
  --yume-success-dark: #059669;
  
  --yume-surface: #fafbfc;
  --yume-surface-elevated: #ffffff;
  --yume-surface-glass: rgba(255, 255, 255, 0.85);
  
  /* Spacing Scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  
  /* Border Radius */
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  --radius-2xl: 1rem;
  
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
  --font-display: 'Playfair Display', Georgia, serif;
  
  /* Sophisticated Shadow System */
  --shadow-minimal: 0 1px 3px 0 rgba(0, 0, 0, 0.03), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow-soft: 0 4px 6px -1px rgba(0, 0, 0, 0.04), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-medium: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-large: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-elegant: 0 25px 50px -12px rgba(0, 0, 0, 0.12);
  
  /* Ultra-Sophisticated Gradients - Premium Collection */
  --gradient-primary: linear-gradient(135deg, var(--yume-primary-dark) 0%, var(--yume-primary) 35%, var(--yume-primary-light) 100%);
  --gradient-primary-soft: linear-gradient(135deg, var(--yume-primary-50) 0%, var(--yume-primary-100) 100%);
  --gradient-accent: linear-gradient(135deg, var(--yume-accent-dark) 0%, var(--yume-accent) 35%, var(--yume-accent-light) 100%);
  --gradient-accent-soft: linear-gradient(135deg, var(--yume-accent-50) 0%, var(--yume-accent-100) 100%);
  --gradient-secondary: linear-gradient(135deg, var(--yume-secondary-dark) 0%, var(--yume-secondary) 35%, var(--yume-secondary-light) 100%);
  --gradient-secondary-soft: linear-gradient(135deg, var(--yume-secondary-50) 0%, var(--yume-secondary-100) 100%);
  --gradient-surface: linear-gradient(135deg, var(--yume-surface) 0%, var(--yume-surface-elevated) 100%);
  --gradient-hero: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 0.85) 35%, rgba(248, 250, 252, 0.9) 100%);
  --gradient-glass: linear-gradient(135deg, rgba(255, 255, 255, 0.25) 0%, rgba(255, 255, 255, 0.1) 100%);
  --gradient-glass-strong: linear-gradient(135deg, rgba(255, 255, 255, 0.4) 0%, rgba(255, 255, 255, 0.2) 100%);
  --gradient-mesh: radial-gradient(circle at 20% 80%, rgba(30, 64, 175, 0.05) 0%, transparent 50%),
                   radial-gradient(circle at 80% 20%, rgba(245, 158, 11, 0.05) 0%, transparent 50%),
                   radial-gradient(circle at 40% 40%, rgba(139, 92, 246, 0.03) 0%, transparent 50%);
  
  /* Sophisticated Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-elegant: 600ms cubic-bezier(0.23, 1, 0.32, 1);
  --transition-bounce: 400ms cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* ===== GLOBAL STYLES ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}

body {
  font-family: var(--font-primary);
  font-weight: 400;
  line-height: 1.7;
  color: var(--yume-gray-700);
  background: var(--gradient-surface);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  letter-spacing: -0.005em;
  position: relative;
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-mesh);
  pointer-events: none;
  z-index: -1;
  opacity: 0.6;
}

/* ===== LAYOUT COMPONENTS ===== */
.yume-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

/* ===== SOPHISTICATED HEADER & NAVIGATION ===== */
.yume-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: var(--shadow-soft);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: background, backdrop-filter, box-shadow;
  transform: translateZ(0); /* GPU加速 */
}

/* スクロール時のヘッダー状態 */
.yume-header.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(30px) saturate(200%);
  box-shadow: 0 8px 32px rgba(139, 92, 246, 0.1);
}

.yume-nav {
  padding: var(--space-4) 0;
}

.yume-nav-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.yume-logo-text {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 600;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-decoration: none;
  transition: all var(--transition-normal);
  letter-spacing: -0.02em;
  position: relative;
}

.yume-logo-text::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--gradient-accent);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.yume-logo-text:hover::after {
  opacity: 1;
}

.yume-nav-menu {
  display: flex;
  list-style: none;
  gap: var(--space-8);
  align-items: center;
}

.yume-nav-link {
  color: var(--yume-gray-600);
  text-decoration: none;
  font-weight: 500;
  position: relative;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  transition: all var(--transition-elegant);
}

.yume-nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--gradient-accent);
  transform: translateX(-50%);
  transition: width var(--transition-elegant);
}

.yume-nav-link:hover {
  color: var(--yume-primary);
  background: rgba(139, 92, 246, 0.08);
}

.yume-nav-link:hover::after {
  width: 80%;
}

/* ===== ULTRA-REFINED TYPOGRAPHY SYSTEM ===== */
.yume-display-xl {
  font-family: var(--font-display);
  font-size: clamp(2.75rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.035em;
  color: var(--yume-black);
  margin-bottom: var(--space-8);
  position: relative;
  word-spacing: 0.05em;
  background: linear-gradient(135deg, var(--yume-black) 0%, var(--yume-gray-700) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.yume-display-xl em {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-style: normal;
  position: relative;
  font-weight: 800;
}

.yume-display-xl em::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--gradient-primary);
  border-radius: 3px;
  opacity: 0.9;
  box-shadow: 0 4px 16px rgba(30, 64, 175, 0.4);
}

.yume-display-lg {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 4.5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.03em;
  color: var(--yume-black);
  margin-bottom: var(--space-8);
  word-spacing: 0.03em;
  background: linear-gradient(135deg, var(--yume-black) 0%, var(--yume-gray-600) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.yume-title-md {
  font-family: var(--font-primary);
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: -0.015em;
  color: var(--yume-black);
  margin-bottom: var(--space-5);
  word-spacing: 0.02em;
}

/* サービスボックス内のタイトル特別設定 */
.yume-service-box .yume-title-md {
  min-height: 60px; /* タイトル高さ統一 */
  display: flex;
  align-items: center;
  justify-content: center;
}

/* サービスボックス内の説明文設定 */
.yume-service-box .yume-text-base {
  flex: 1;
  margin-bottom: var(--space-6);
  min-height: 80px; /* 説明文高さ統一 */
  display: flex;
  align-items: center;
}

.yume-text-xl {
  font-size: 1.375rem;
  font-weight: 500;
  line-height: 1.65;
  letter-spacing: -0.005em;
  color: var(--yume-gray-600);
  word-spacing: 0.02em;
}

.yume-text-lg {
  font-size: 1.25rem;
  font-weight: 500;
  line-height: 1.75;
  letter-spacing: -0.003em;
  color: var(--yume-gray-600);
  word-spacing: 0.015em;
}

.yume-text-base {
  font-size: 1.125rem;
  font-weight: 400;
  line-height: 1.7;
  letter-spacing: 0em;
  color: var(--yume-gray-600);
  word-spacing: 0.01em;
}

.yume-text-sm {
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.6;
  color: var(--yume-gray-500);
  letter-spacing: 0.005em;
}

/* ===== BUTTONS ===== */
.yume-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  font-family: var(--font-primary);
  font-weight: 500;
  font-size: 0.875rem;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
}

.yume-btn-primary {
  background: var(--gradient-primary);
  color: var(--yume-white);
  border: none;
  position: relative;
  overflow: hidden;
  box-shadow: 
    0 12px 32px rgba(30, 64, 175, 0.35),
    0 4px 16px rgba(30, 64, 175, 0.25),
    inset 0 1px 0 rgba(255, 255, 255, 0.15);
  font-weight: 600;
  text-transform: none;
  letter-spacing: 0.025em;
}

.yume-btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.25), transparent);
  transition: left var(--transition-elegant);
}

.yume-btn-primary:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: 
    0 24px 48px rgba(30, 64, 175, 0.4),
    0 8px 24px rgba(30, 64, 175, 0.3),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

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

.yume-btn-primary:active {
  transform: translateY(-2px) scale(1.01);
}

.yume-btn-secondary {
  background: var(--gradient-glass-strong);
  backdrop-filter: blur(20px) saturate(180%);
  color: var(--yume-black);
  border: 1px solid rgba(255, 255, 255, 0.4);
  box-shadow: 
    0 8px 24px rgba(0, 0, 0, 0.08),
    0 4px 12px rgba(0, 0, 0, 0.05),
    inset 0 1px 0 rgba(255, 255, 255, 0.5);
  font-weight: 600;
  letter-spacing: 0.015em;
}

.yume-btn-secondary:hover {
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(25px) saturate(200%);
  transform: translateY(-3px) scale(1.02);
  box-shadow: 
    0 16px 32px rgba(0, 0, 0, 0.12),
    0 6px 16px rgba(0, 0, 0, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.6);
  border-color: rgba(255, 255, 255, 0.6);
}

.yume-btn-outline {
  background: transparent;
  color: var(--yume-black);
  border-color: var(--yume-gray-300);
}

.yume-btn-outline:hover {
  background: var(--yume-black);
  color: var(--yume-white);
  border-color: var(--yume-black);
}

.yume-btn-ghost {
  background: transparent;
  color: var(--yume-gray-600);
  border-color: transparent;
}

.yume-section-dark .yume-btn-ghost {
  color: var(--yume-white);
  border: 1px solid rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.1);
}

.yume-section-dark .yume-btn-ghost:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.5);
}

.yume-btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: 1rem;
  border-radius: var(--radius-lg);
}

.yume-btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: 0.75rem;
}

/* ===== SOPHISTICATED HERO SECTION ===== */
.yume-hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  background: 
    linear-gradient(135deg, rgba(248, 250, 252, 0.3) 0%, rgba(255, 255, 255, 0.2) 35%, rgba(239, 246, 255, 0.4) 100%),
    url('https://images.unsplash.com/photo-1497366754035-f200968a6e72?q=80&w=2069&auto=format&fit=crop&ixlib=rb-4.1.0&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D');
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
  background-attachment: fixed;
  border-bottom: 1px solid rgba(30, 64, 175, 0.08);
  padding-top: 140px;
  z-index: 1;
  overflow: hidden;
}

.yume-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-mesh);
  z-index: 1;
  pointer-events: none;
  opacity: 0.1;
}

.yume-hero::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-hero);
  z-index: 2;
  pointer-events: none;
  opacity: 0.2;
}

@keyframes subtle-overlay {
  0%, 100% { opacity: 0.8; }
  50% { opacity: 0.6; }
}


.yume-hero-content {
  position: relative;
  z-index: 10;
  text-align: left;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 var(--space-6);
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(8px);
  border-radius: var(--radius-2xl);
  padding: var(--space-12) var(--space-8);
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 
    0 32px 64px rgba(0, 0, 0, 0.08),
    0 16px 32px rgba(30, 64, 175, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.yume-hero-actions {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  margin: var(--space-8) 0;
}

.yume-hero-stats {
  display: flex;
  gap: var(--space-8);
  justify-content: center;
  margin-top: var(--space-12);
}

.yume-stat {
  text-align: center;
}

.yume-stat-number {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 600;
  color: var(--yume-black);
  display: block;
}

.yume-stat-label {
  font-size: 0.875rem;
  color: var(--yume-gray-500);
}

/* ===== ENHANCED SECTIONS ===== */
.yume-section {
  padding: var(--space-24) 0;
  position: relative;
  background: var(--yume-white);
  border-bottom: 1px solid rgba(30, 64, 175, 0.06);
  transition: all var(--transition-normal);
}

.yume-section-alt {
  background: var(--gradient-surface);
  border-top: 1px solid rgba(30, 64, 175, 0.08);
  border-bottom: 1px solid rgba(30, 64, 175, 0.08);
  position: relative;
  padding: var(--space-24) 0;
}

.yume-section-alt::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-mesh);
  pointer-events: none;
  z-index: 0;
  opacity: 0.3;
}

.yume-section-dark {
  background: var(--yume-black);
  color: var(--yume-white);
  border-bottom: 1px solid var(--yume-gray-800);
}

.yume-section-header {
  text-align: center;
  margin-bottom: var(--space-20);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  position: relative;
  z-index: 1;
}

/* ===== ULTRA-SOPHISTICATED BADGE ===== */
.yume-badge {
  display: inline-block;
  background: var(--gradient-primary);
  color: var(--yume-white);
  padding: var(--space-4) var(--space-8);
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-10);
  box-shadow: 
    0 8px 24px rgba(30, 64, 175, 0.4),
    0 4px 12px rgba(30, 64, 175, 0.3),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
  position: relative;
  overflow: hidden;
  transition: all var(--transition-elegant);
  border: 1px solid rgba(255, 255, 255, 0.2);
}


.yume-badge::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--gradient-accent);
  opacity: 0.1;
  transition: left var(--transition-elegant);
}

.yume-badge:hover::before {
  left: 0;
}

.yume-badge-dark {
  background: var(--yume-navy);
  color: var(--yume-gold-light);
  border: 1px solid rgba(212, 175, 55, 0.3);
  box-shadow: var(--shadow-soft), 0 0 15px rgba(212, 175, 55, 0.2);
}

/* ===== GRID SYSTEM ===== */
.yume-grid {
  display: grid;
  gap: var(--space-8);
}

.yume-grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

/* ===== ULTRA-SOPHISTICATED SERVICE BOXES ===== */
.yume-service-box {
  background: var(--gradient-glass-strong);
  backdrop-filter: blur(32px) saturate(150%);
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: var(--radius-2xl);
  padding: var(--space-10);
  transition: all var(--transition-elegant);
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: 
    0 16px 48px rgba(30, 64, 175, 0.12),
    0 8px 24px rgba(0, 0, 0, 0.06),
    inset 0 1px 0 rgba(255, 255, 255, 0.3);
  display: flex;
  flex-direction: column;
  min-height: 520px;
}

.yume-service-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--transition-elegant);
  border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
}

.yume-service-box::after {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: conic-gradient(from 0deg, transparent, rgba(30, 64, 175, 0.05), transparent);
  animation: rotate 20s linear infinite;
  opacity: 0;
  transition: opacity var(--transition-elegant);
}

.yume-service-box:hover {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(40px) saturate(180%);
  box-shadow: 
    0 32px 64px rgba(30, 64, 175, 0.2),
    0 16px 32px rgba(30, 64, 175, 0.15),
    0 8px 16px rgba(0, 0, 0, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.4);
  transform: translateY(-12px) scale(1.02);
}

/* 各カード個別のホバー色設定 */
.yume-service-box.service-blue:hover {
  border-color: rgba(30, 64, 175, 0.4);
}

.yume-service-box.service-orange:hover {
  border-color: rgba(245, 158, 11, 0.4);
}

.yume-service-box.service-green:hover {
  border-color: rgba(16, 185, 129, 0.4);
}

/* 各カードタイプのデフォルト上部ボーダー色設定 */
.yume-service-box.service-orange::before {
  background: linear-gradient(135deg, #f59e0b 0%, #f97316 35%, #eab308 100%);
}

.yume-service-box.service-green::before {
  background: linear-gradient(135deg, #059669 0%, #10b981 35%, #34d399 100%);
}

.yume-service-box:hover::before {
  opacity: 1;
}


.yume-service-box:hover::after {
  opacity: 1;
}

.yume-service-icon {
  background: var(--gradient-primary);
  color: var(--yume-white);
  border-radius: 50%;
  width: 96px;
  height: 96px;
  margin: 0 auto var(--space-8);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 
    0 16px 48px rgba(30, 64, 175, 0.4),
    0 8px 24px rgba(30, 64, 175, 0.3),
    inset 0 2px 0 rgba(255, 255, 255, 0.2),
    inset 0 -2px 0 rgba(0, 0, 0, 0.1);
  transition: all var(--transition-elegant);
  position: relative;
  overflow: hidden;
  border: 2px solid rgba(255, 255, 255, 0.2);
}

.yume-service-icon::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: conic-gradient(from 0deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  animation: rotate 8s linear infinite;
  opacity: 0;
  transition: opacity var(--transition-elegant);
}

.yume-service-icon::after {
  content: '';
  position: absolute;
  inset: 4px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  opacity: 0;
  transition: opacity var(--transition-elegant);
}

.yume-service-box:hover .yume-service-icon {
  transform: scale(1.2) rotate(-5deg);
  box-shadow: 
    0 24px 64px rgba(30, 64, 175, 0.5),
    0 12px 32px rgba(30, 64, 175, 0.4),
    inset 0 2px 0 rgba(255, 255, 255, 0.3),
    inset 0 -2px 0 rgba(0, 0, 0, 0.15);
  border-color: rgba(255, 255, 255, 0.4);
}

.yume-service-box:hover .yume-service-icon::before {
  opacity: 1;
}

.yume-service-box:hover .yume-service-icon::after {
  opacity: 1;
}

.yume-service-features {
  list-style: none;
  text-align: left;
  min-height: 120px; /* 統一された高さ */
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

.yume-service-features li {
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--yume-gray-100);
  color: var(--yume-gray-600);
  font-size: 0.875rem;
  flex: 1;
  display: flex;
  align-items: center;
}

.yume-service-features li:last-child {
  border-bottom: none;
}

/* ===== PORTFOLIO ===== */
.yume-portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-8);
  margin-bottom: var(--space-12);
}

.yume-portfolio-item {
  background: var(--gradient-surface);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: 
    0 12px 32px rgba(30, 64, 175, 0.12),
    0 6px 16px rgba(0, 0, 0, 0.06),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
  transition: all var(--transition-elegant);
  border: 1px solid rgba(255, 255, 255, 0.6);
  position: relative;
  overflow: hidden;
}

.yume-portfolio-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-accent);
  opacity: 0;
  transition: opacity var(--transition-elegant);
}

.yume-portfolio-item:hover {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(40px) saturate(180%);
  transform: translateY(-12px) scale(1.02);
  box-shadow: 
    0 8px 16px rgba(0, 0, 0, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.4);
}

/* 各ポートフォリオカードの個別ホバー効果 */
.yume-portfolio-item[href*="cafe-ichihara"]:hover {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(40px) saturate(180%);
  transform: translateY(-12px) scale(1.02);
  box-shadow: 
    0 32px 64px rgba(245, 158, 11, 0.2),
    0 16px 32px rgba(245, 158, 11, 0.15),
    0 8px 16px rgba(0, 0, 0, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.4);
  border-color: rgba(245, 158, 11, 0.4);
}

.yume-portfolio-item[href*="atelier-lumine"]:hover {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(40px) saturate(180%);
  transform: translateY(-12px) scale(1.02);
  box-shadow: 
    0 32px 64px rgba(236, 72, 153, 0.2),
    0 16px 32px rgba(236, 72, 153, 0.15),
    0 8px 16px rgba(0, 0, 0, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.4);
  border-color: rgba(236, 72, 153, 0.4);
}

.yume-portfolio-item[href*="asian-massage-salon"]:hover {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(40px) saturate(180%);
  transform: translateY(-12px) scale(1.02);
  box-shadow: 
    0 32px 64px rgba(16, 185, 129, 0.2),
    0 16px 32px rgba(16, 185, 129, 0.15),
    0 8px 16px rgba(0, 0, 0, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.4);
  border-color: rgba(16, 185, 129, 0.4);
}

.yume-portfolio-item:hover::before {
  opacity: 1;
}

.yume-portfolio-image {
  position: relative;
  height: 250px;
  overflow: hidden;
}

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

.yume-portfolio-overlay {
  position: absolute;
  top: var(--space-4);
  left: var(--space-4);
}

.yume-portfolio-category {
  background: var(--gradient-primary);
  color: var(--yume-white);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  font-size: 0.75rem;
  font-weight: 500;
  box-shadow: 0 4px 15px rgba(139, 92, 246, 0.3);
}

.yume-portfolio-content {
  padding: var(--space-6);
}

.yume-portfolio-stats {
  margin-top: var(--space-4);
}

.yume-stat-small {
  font-size: 0.875rem;
  color: var(--yume-gray-600);
}

/* ===== ABOUT SECTION ===== */
.yume-about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.yume-about-features {
  margin-top: var(--space-8);
}

.yume-feature-item {
  margin-bottom: var(--space-6);
}

.yume-about-image {
  position: relative;
}

.yume-about-image img {
  width: 100%;
  height: 500px;
  object-fit: cover;
  border-radius: var(--radius-xl);
}

/* ===== CTA SECTION ===== */
.yume-cta-content {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.yume-cta-actions {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  margin: var(--space-8) 0;
}

.yume-contact-info {
  display: flex;
  gap: var(--space-8);
  justify-content: center;
  margin-top: var(--space-12);
}

.yume-contact-item {
  text-align: center;
}

.yume-contact-item strong {
  display: block;
  color: var(--yume-white);
  font-weight: 600;
  margin-bottom: var(--space-1);
}

.yume-contact-item span {
  color: var(--yume-gray-300);
  font-size: 0.875rem;
}

/* ===== CONTACT FORM ===== */
.yume-contact-form {
  max-width: 600px;
  margin: var(--space-12) auto 0;
  padding: var(--space-8);
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(20px);
  border-radius: var(--radius-2xl);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3);
}

.yume-form-group {
  margin-bottom: var(--space-6);
}

.yume-form-label {
  display: block;
  color: var(--yume-white);
  font-weight: 600;
  margin-bottom: var(--space-2);
  font-size: 0.875rem;
  letter-spacing: 0.025em;
}

.yume-form-input,
.yume-form-textarea,
.yume-form-select {
  width: 100%;
  padding: var(--space-4);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-lg);
  color: var(--yume-white);
  font-size: 1rem;
  transition: all var(--transition-normal);
  backdrop-filter: blur(10px);
}

.yume-form-input::placeholder,
.yume-form-textarea::placeholder {
  color: rgba(255, 255, 255, 0.6);
}

.yume-form-input:focus,
.yume-form-textarea:focus,
.yume-form-select:focus {
  outline: none;
  border-color: var(--yume-accent);
  background: rgba(255, 255, 255, 0.15);
  box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.2);
}

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

.yume-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.yume-form-submit {
  width: 100%;
  margin-top: var(--space-4);
}

@media (max-width: 768px) {
  .yume-contact-form {
    margin: var(--space-8) auto 0;
    padding: var(--space-6);
  }
  
  .yume-form-row {
    grid-template-columns: 1fr;
  }
}

/* ===== FOOTER ===== */
.yume-footer {
  background: var(--yume-gray-900);
  color: var(--yume-gray-300);
  padding: var(--space-16) 0 var(--space-8);
}

.yume-footer-brand p {
  color: var(--yume-gray-200);
}

.yume-footer-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-16);
  margin-bottom: var(--space-12);
}

.yume-footer-brand .yume-logo-text {
  color: var(--yume-white);
  margin-bottom: var(--space-4);
}

.yume-footer-links {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--space-8);
}

.yume-footer-section h5 {
  color: var(--yume-white);
  font-weight: 600;
  margin-bottom: var(--space-4);
}

.yume-footer-section ul {
  list-style: none;
}

.yume-footer-section li {
  margin-bottom: var(--space-2);
}

.yume-footer-section a {
  color: var(--yume-gray-400);
  text-decoration: none;
  transition: color var(--transition-normal);
}

.yume-footer-section a:hover {
  color: var(--yume-white);
}

.yume-footer-bottom {
  text-align: center;
  padding-top: var(--space-8);
  border-top: 1px solid var(--yume-gray-800);
  color: var(--yume-gray-500);
  font-size: 0.875rem;
}

/* ===== UTILITY CLASSES ===== */
.yume-text-center {
  text-align: center;
}

.yume-mb-4 { margin-bottom: var(--space-4); }
.yume-mb-6 { margin-bottom: var(--space-6); }
.yume-mb-8 { margin-bottom: var(--space-8); }
.yume-mb-12 { margin-bottom: var(--space-12); }
.yume-mt-12 { margin-top: var(--space-12); }

/* ===== SOPHISTICATED ANIMATIONS ===== */
/* ===== ULTRA-SOPHISTICATED ANIMATIONS ===== */
@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes fadeInScale {
  from {
    opacity: 0;
    transform: scale(0.85) rotate(-3deg);
  }
  to {
    opacity: 1;
    transform: scale(1) rotate(0deg);
  }
}

@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

@keyframes float {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-15px) rotate(1deg); }
}

@keyframes pulse {
  0%, 100% { 
    transform: scale(1);
    box-shadow: 0 8px 24px rgba(30, 64, 175, 0.3);
  }
  50% { 
    transform: scale(1.02);
    box-shadow: 0 12px 32px rgba(30, 64, 175, 0.4);
  }
}

@keyframes glow {
  0%, 100% {
    filter: drop-shadow(0 0 8px rgba(30, 64, 175, 0.3));
  }
  50% {
    filter: drop-shadow(0 0 16px rgba(30, 64, 175, 0.5));
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(50px) scale(0.9);
  }
  to {
    opacity: 1;
    transform: translateX(0) scale(1);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px) scale(0.9);
  }
  to {
    opacity: 1;
    transform: translateX(0) scale(1);
  }
}

/* Ultra-Sophisticated Animation Classes */
.yume-animate-fade-up {
  animation: fadeInUp 1s cubic-bezier(0.23, 1, 0.32, 1) forwards;
}

.yume-animate-scale {
  animation: fadeInScale 0.8s cubic-bezier(0.23, 1, 0.32, 1) forwards;
}

.yume-animate-float {
  animation: float 4s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.yume-animate-pulse {
  animation: pulse 3s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.yume-animate-glow {
  animation: glow 2s ease-in-out infinite;
}

.yume-animate-slide-right {
  animation: slideInRight 1s cubic-bezier(0.23, 1, 0.32, 1) forwards;
}

.yume-animate-slide-left {
  animation: slideInLeft 1s cubic-bezier(0.23, 1, 0.32, 1) forwards;
}

.yume-animate-on-scroll {
  opacity: 0;
  transform: translateY(40px) scale(0.95);
  transition: all 0.8s cubic-bezier(0.23, 1, 0.32, 1);
}

.yume-animate-on-scroll.animated {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* Enhanced Hover Effects */
.yume-hover-lift {
  transition: all var(--transition-elegant);
}

.yume-hover-lift:hover {
  transform: translateY(-8px) scale(1.02);
  filter: drop-shadow(0 16px 32px rgba(30, 64, 175, 0.15));
}

.yume-hover-glow:hover {
  filter: drop-shadow(0 0 20px rgba(30, 64, 175, 0.4));
}

/* ===== MOBILE NAVIGATION ===== */
.yume-mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-around;
  width: 24px;
  height: 24px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 1001;
  transition: all var(--transition-normal);
}

.yume-mobile-menu-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--yume-navy);
  border-radius: 1px;
  transition: all var(--transition-normal);
  transform-origin: center;
}

.yume-mobile-menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

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

.yume-mobile-menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

.yume-mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 280px;
  height: 100vh;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(20px);
  padding: 100px 40px 40px;
  z-index: 1000;
  transition: right var(--transition-elegant);
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.1);
}

.yume-mobile-menu.active {
  right: 0;
}

.yume-mobile-menu ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.yume-mobile-menu li {
  margin-bottom: var(--space-6);
}

.yume-mobile-menu a {
  display: block;
  color: var(--yume-navy);
  text-decoration: none;
  font-weight: 500;
  font-size: 1.125rem;
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--yume-gray-100);
  transition: all var(--transition-normal);
}

.yume-mobile-menu a:hover {
  color: var(--yume-lavender);
  padding-left: var(--space-4);
}

.yume-mobile-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.yume-mobile-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
  .yume-nav-menu {
    display: none;
  }
  
  /* Mobile logo adjustments */
  .yume-logo img {
    height: 40px !important;
    max-width: 200px !important;
  }
  
  .yume-mobile-menu-toggle {
    display: flex;
  }
  
  .yume-hero {
    min-height: 80vh;
    padding-top: 140px;
    border-bottom: none;
    background-size: cover;
    background-position: center;
    background-attachment: scroll;
  }
  
  .yume-hero-content {
    padding: var(--space-10) var(--space-6);
    margin: 0 var(--space-3);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(12px);
  }
  
  .yume-display-xl {
    font-size: clamp(2rem, 8vw, 2.5rem);
    line-height: 1.25;
    letter-spacing: -0.02em;
    word-spacing: 0.08em;
  }
  
  .yume-hero .yume-text-xl {
    font-size: 1.125rem;
  }
  
  .yume-hero-actions {
    flex-direction: column;
    gap: var(--space-3);
  }
  
  .yume-hero-stats {
    gap: var(--space-4);
  }
  
  .yume-section {
    padding: var(--space-16) 0;
  }
  
  .yume-container {
    padding: 0 var(--space-4);
  }
  
  .yume-grid {
    gap: var(--space-6);
  }
  
  .yume-service-box {
    padding: var(--space-8);
    min-height: 460px;
    backdrop-filter: blur(20px);
    border-radius: var(--radius-xl);
  }
  
  .yume-btn-lg {
    width: 100%;
    justify-content: center;
    padding: var(--space-5) var(--space-8);
    font-size: 1.125rem;
    min-height: 56px;
    border-radius: var(--radius-xl);
    font-weight: 700;
    letter-spacing: 0.02em;
  }
  
  .yume-btn {
    min-height: 48px;
    padding: var(--space-4) var(--space-6);
    border-radius: var(--radius-lg);
    font-weight: 600;
  }
  
  .yume-about-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  
  .yume-portfolio-grid {
    grid-template-columns: 1fr;
  }
  
  .yume-cta-actions {
    flex-direction: column;
  }
  
  .yume-contact-info {
    flex-direction: column;
    gap: var(--space-4);
  }
  
  .yume-footer-content {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
}

@media (max-width: 480px) {
  .yume-section {
    padding: var(--space-16) 0;
  }
  
  .yume-container {
    padding: 0 var(--space-4);
  }
  
  .yume-service-box {
    padding: var(--space-6);
    min-height: 420px;
  }
  
  .yume-hero-content {
    padding: var(--space-8) var(--space-5);
    margin: 0 var(--space-2);
  }
  
  .yume-display-xl {
    font-size: clamp(1.75rem, 7vw, 2.25rem);
    line-height: 1.3;
    margin-bottom: var(--space-6);
  }
  
  .yume-text-lg {
    font-size: 1.125rem;
    line-height: 1.6;
  }
}
/* ===== LOADING AND SKELETON SCREENS ===== */
.yume-loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity var(--transition-slow), visibility var(--transition-slow);
}

.yume-loading-screen.hidden {
  opacity: 0;
  visibility: hidden;
}

.yume-loader {
  width: 60px;
  height: 60px;
  border: 3px solid var(--yume-gray-200);
  border-top: 3px solid var(--yume-navy);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  position: relative;
}

.yume-loader::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 30px;
  height: 30px;
  border: 2px solid var(--yume-gray-100);
  border-top: 2px solid var(--yume-lavender);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  animation: spin 1.5s linear infinite reverse;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.yume-skeleton {
  background: linear-gradient(90deg, var(--yume-gray-100) 25%, var(--yume-gray-50) 50%, var(--yume-gray-100) 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
  border-radius: var(--radius-md);
}

@keyframes skeleton-loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.yume-skeleton-text {
  height: 1em;
  margin-bottom: var(--space-2);
}

.yume-skeleton-title {
  height: 2em;
  width: 60%;
  margin-bottom: var(--space-4);
}

.yume-skeleton-image {
  height: 200px;
  width: 100%;
  margin-bottom: var(--space-4);
}

/* ===== ACCESSIBILITY ENHANCEMENTS ===== */
.yume-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.yume-skip-link {
  position: absolute;
  top: -40px;
  left: 6px;
  background: var(--yume-navy);
  color: var(--yume-white);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  text-decoration: none;
  font-weight: 600;
  z-index: 10000;
  transition: top var(--transition-normal);
}

.yume-skip-link:focus {
  top: 6px;
}

/* Enhanced focus states */
*:focus {
  outline: 2px solid var(--yume-navy);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

.yume-btn:focus,
.yume-nav-link:focus,
.yume-mobile-menu a:focus {
  outline: 3px solid var(--yume-gold);
  outline-offset: 3px;
  box-shadow: 0 0 0 1px var(--yume-navy);
}

/* ===== MICRO-INTERACTIONS ===== */
.yume-ripple {
  position: relative;
  overflow: hidden;
}

.yume-ripple::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.6);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.yume-ripple:active::before {
  width: 300px;
  height: 300px;
}

.yume-progress-indicator {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 3px;
  background: var(--gradient-accent);
  z-index: 9999;
  transition: width 0.25s ease;
}

.yume-toast {
  position: fixed;
  top: 20px;
  right: 20px;
  background: var(--yume-white);
  border: 1px solid var(--yume-gray-200);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-6);
  box-shadow: var(--shadow-large);
  transform: translateX(400px);
  transition: transform var(--transition-elegant);
  z-index: 10000;
}

.yume-toast.show {
  transform: translateX(0);
}

.yume-tooltip {
  position: relative;
  cursor: help;
}

.yume-tooltip::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--yume-black);
  color: var(--yume-white);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  z-index: 1000;
}

.yume-tooltip:hover::after {
  opacity: 1;
  visibility: visible;
  bottom: calc(100% + 8px);
}

.yume-floating-action {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(30, 58, 138, 0.3);
  cursor: pointer;
  transition: all var(--transition-normal);
  z-index: 1000;
}

.yume-floating-action:hover {
  transform: scale(1.1);
  box-shadow: 0 12px 32px rgba(30, 58, 138, 0.4);
}

@media (max-width: 768px) {
  .yume-floating-action {
    bottom: 20px;
    right: 20px;
    width: 56px;
    height: 56px;
  }
}

/* ===== PERFORMANCE OPTIMIZATIONS ===== */
.yume-lazy-image {
  opacity: 0;
  transition: opacity 0.3s ease;
}

.yume-lazy-image.loaded {
  opacity: 1;
}

/* GPU acceleration for smooth animations */
.yume-service-box,
.yume-btn,
.yume-portfolio-item {
  will-change: transform;
  transform: translateZ(0);
}

/* Optimize repaints */
.yume-section-alt::before {
  will-change: opacity;
}

/* ===== LIGHTWEIGHT HOVER STATES ===== */
.yume-btn-primary.hover-enhanced {
  transform: translateY(-2px) scale(1.01);
  box-shadow: 0 20px 40px rgba(30, 58, 138, 0.35);
}

.yume-service-box.service-hover {
  transform: translateY(-6px) scale(1.02);
  border-color: rgba(139, 92, 246, 0.3);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  
  .yume-hero::before {
    animation: none;
  }
}