/* ==========================================
   Vibe Works Corporate Site - CSS
   ========================================== */

/* CSS Variables */
:root {
  --primary: #10b981;
  --primary-dark: #059669;
  --primary-light: #34d399;
  --secondary: #6366f1;
  --accent: #8b5cf6;
  --bg-dark: #0a0a0f;
  --bg-card: #13131a;
  --bg-card-hover: #1a1a24;
  --text-primary: #ffffff;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;
  --border-color: #27272a;
  --gradient-primary: linear-gradient(135deg, #10b981 0%, #06b6d4 100%);
  --gradient-hero: linear-gradient(135deg, #10b981 0%, #6366f1 50%, #8b5cf6 100%);
  --gradient-glow: radial-gradient(circle at center, rgba(16, 185, 129, 0.15) 0%, transparent 70%);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', 'Noto Sans JP', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Typography */
h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.2;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); }

/* Utility Classes */
.text-gradient {
  background: var(--gradient-hero);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-muted {
  color: var(--text-secondary);
}

/* ==========================================
   Header
   ========================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: all 0.3s ease;
}

.header.scrolled {
  padding: 12px 0;
  background: rgba(10, 10, 15, 0.95);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.25rem;
  font-weight: 700;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: var(--gradient-primary);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1rem;
}

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

.nav-link {
  position: relative;
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.3s ease;
}

.nav-link:hover {
  color: var(--text-primary);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width 0.3s ease;
}

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

/* Mobile Menu */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: all 0.3s ease;
}

@media (max-width: 768px) {
  .nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 300px;
    height: 100vh;
    background: var(--bg-card);
    flex-direction: column;
    justify-content: center;
    gap: 40px;
    transition: right 0.3s ease;
  }

  .nav.active {
    right: 0;
  }

  .nav-link {
    font-size: 1.25rem;
  }

  .menu-toggle {
    display: flex;
    z-index: 1001;
  }
}

/* ==========================================
   Hero Section
   ========================================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding: 120px 0 80px;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: var(--gradient-glow);
  animation: rotate 30s linear infinite;
}

@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: 50px;
  font-size: 0.875rem;
  color: var(--primary-light);
  margin-bottom: 32px;
  animation: fadeInUp 0.8s ease forwards;
}

.hero-badge::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--primary);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.2); }
}

.hero h1 {
  margin-bottom: 24px;
  animation: fadeInUp 0.8s ease 0.1s forwards;
  opacity: 0;
}

.hero-description {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 48px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  animation: fadeInUp 0.8s ease 0.2s forwards;
  opacity: 0;
}

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

/* Floating Elements */
.floating-elements {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.floating-element {
  position: absolute;
  border-radius: 50%;
  opacity: 0.1;
  animation: float 20s infinite ease-in-out;
}

.floating-element:nth-child(1) {
  width: 300px;
  height: 300px;
  background: var(--primary);
  top: 10%;
  left: 10%;
  animation-delay: 0s;
}

.floating-element:nth-child(2) {
  width: 200px;
  height: 200px;
  background: var(--secondary);
  top: 60%;
  right: 10%;
  animation-delay: -5s;
}

.floating-element:nth-child(3) {
  width: 150px;
  height: 150px;
  background: var(--accent);
  bottom: 20%;
  left: 20%;
  animation-delay: -10s;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  25% { transform: translate(30px, -30px) rotate(5deg); }
  50% { transform: translate(-20px, 20px) rotate(-5deg); }
  75% { transform: translate(10px, 10px) rotate(3deg); }
}

/* ==========================================
   Buttons
   ========================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 12px;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: 0 4px 20px rgba(16, 185, 129, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(16, 185, 129, 0.4);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-outline:hover {
  background: var(--bg-card);
  border-color: var(--primary);
}

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

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-header h2 {
  margin-bottom: 16px;
}

.section-header p {
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* ==========================================
   About Section
   ========================================== */
.about-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
}

.about-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 40px;
  transition: all 0.3s ease;
}

.about-card:hover {
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  border-color: rgba(16, 185, 129, 0.3);
}

.about-card-icon {
  width: 56px;
  height: 56px;
  background: rgba(16, 185, 129, 0.1);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  font-size: 1.5rem;
}

.about-card h3 {
  margin-bottom: 12px;
}

.about-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* ==========================================
   Company Info Table
   ========================================== */
.company-table {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  overflow: hidden;
  max-width: 800px;
  margin: 0 auto;
}

.company-row {
  display: grid;
  grid-template-columns: 160px 1fr;
  border-bottom: 1px solid var(--border-color);
}

.company-row:last-child {
  border-bottom: none;
}

.company-label {
  background: rgba(16, 185, 129, 0.05);
  padding: 20px 24px;
  font-weight: 600;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
}

.company-value {
  padding: 20px 24px;
  display: flex;
  align-items: center;
}

@media (max-width: 600px) {
  .company-row {
    grid-template-columns: 1fr;
  }

  .company-label {
    padding: 16px 20px;
    font-size: 0.875rem;
  }

  .company-value {
    padding: 16px 20px;
    padding-top: 0;
  }
}

/* ==========================================
   Service Section
   ========================================== */
.service-showcase {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

@media (max-width: 900px) {
  .service-showcase {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

.service-content h3 {
  font-size: 2rem;
  margin-bottom: 16px;
}

.service-content p {
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.service-features {
  list-style: none;
  margin-bottom: 32px;
}

.service-features li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  color: var(--text-secondary);
}

.service-features li::before {
  content: '✓';
  width: 24px;
  height: 24px;
  background: rgba(16, 185, 129, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 0.75rem;
  font-weight: 700;
}

.service-image {
  position: relative;
}

.service-image-wrapper {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 40px 80px rgba(0, 0, 0, 0.4);
}

.service-image img {
  width: 100%;
  display: block;
}

.service-image::before {
  content: '';
  position: absolute;
  inset: -4px;
  background: var(--gradient-primary);
  border-radius: 24px;
  z-index: -1;
  opacity: 0.3;
  filter: blur(20px);
}

/* ==========================================
   Contact Section
   ========================================== */
.contact-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 64px;
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.contact-box h3 {
  font-size: 1.75rem;
  margin-bottom: 16px;
}

.contact-box p {
  color: var(--text-secondary);
  margin-bottom: 32px;
}

.contact-email {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--primary-light);
  padding: 20px 40px;
  background: rgba(16, 185, 129, 0.1);
  border-radius: 16px;
  transition: all 0.3s ease;
}

.contact-email:hover {
  background: rgba(16, 185, 129, 0.2);
  transform: scale(1.02);
}

@media (max-width: 600px) {
  .contact-box {
    padding: 40px 24px;
  }

  .contact-email {
    font-size: 1rem;
    padding: 16px 24px;
  }
}

/* ==========================================
   Notice Section
   ========================================== */
.notice-content {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 48px;
  max-width: 800px;
  margin: 0 auto;
}

.notice-content h3 {
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-color);
}

.notice-item {
  padding: 24px 0;
  border-bottom: 1px solid var(--border-color);
}

.notice-item:last-child {
  border-bottom: none;
}

.notice-item h4 {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.notice-item p {
  color: var(--text-muted);
}

/* ==========================================
   Footer
   ========================================== */
.footer {
  background: var(--bg-card);
  border-top: 1px solid var(--border-color);
  padding: 48px 0;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
}

.footer-links {
  display: flex;
  gap: 32px;
}

.footer-link {
  color: var(--text-secondary);
  font-size: 0.875rem;
  transition: color 0.3s ease;
}

.footer-link:hover {
  color: var(--text-primary);
}

.footer-copyright {
  color: var(--text-muted);
  font-size: 0.875rem;
}

@media (max-width: 600px) {
  .footer-inner {
    flex-direction: column;
    text-align: center;
  }

  .footer-links {
    flex-direction: column;
    gap: 16px;
  }
}

/* ==========================================
   Page Specific - Company
   ========================================== */
.page-hero {
  padding: 160px 0 80px;
  text-align: center;
  position: relative;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-glow);
  opacity: 0.5;
}

.page-hero h1 {
  position: relative;
  z-index: 1;
}

.page-hero p {
  position: relative;
  z-index: 1;
  color: var(--text-secondary);
  margin-top: 16px;
}

/* ==========================================
   Animations
   ========================================== */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.6s ease;
}

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

/* Stagger animation delays */
.fade-in:nth-child(1) { transition-delay: 0.1s; }
.fade-in:nth-child(2) { transition-delay: 0.2s; }
.fade-in:nth-child(3) { transition-delay: 0.3s; }
.fade-in:nth-child(4) { transition-delay: 0.4s; }

/* ==========================================
   Grid Background
   ========================================== */
.grid-bg {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 50px 50px;
  pointer-events: none;
  z-index: 0;
}

/* ==========================================
   Scroll to Top Button
   ========================================== */
.scroll-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 999;
  border: none;
  box-shadow: 0 4px 20px rgba(16, 185, 129, 0.3);
}

.scroll-top.visible {
  opacity: 1;
  visibility: visible;
}

.scroll-top:hover {
  transform: translateY(-4px);
}

.scroll-top svg {
  width: 20px;
  height: 20px;
  color: white;
}