/* ============================================
   NEXUS DESIGN SYSTEM - 超絶プレミアムデザイン
   国際レベルのグラフィックデザイン
   背景固定パララックス対応
   ============================================ */

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

:root {
  /* Colors - Gaiax Brand + Premium Gradients */
  --color-primary: #002554;
  --color-primary-light: #003d7a;
  --color-secondary: #00d4ff;
  --color-accent: #6366f1;
  --color-white: #ffffff;
  --color-black: #000000;
  --color-gray-50: #f9fafb;
  --color-gray-100: #f3f4f6;
  --color-gray-900: #111827;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #002554 0%, #003d7a 100%);
  --gradient-glow: linear-gradient(135deg, #00d4ff 0%, #6366f1 100%);
  --gradient-dark: linear-gradient(180deg, #000000 0%, #1a1a1a 100%);
  
  /* Timing */
  --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
  --ease-elastic: cubic-bezier(0.68, -0.6, 0.32, 1.6);
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  font-family: 'Inter', 'Noto Sans JP', -apple-system, BlinkMacSystemFont, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background: #000;
  color: #fff;
  overflow-x: hidden;
  
  /* 背景固定 - パララックス効果 */
  position: relative;
}

/* 背景固定レイヤー */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: linear-gradient(180deg, #000000 0%, #0a0a0a 50%, #000000 100%);
  z-index: -2;
  pointer-events: none;
}

/* アニメーション背景も固定 */
.bg-layer,
.morph-shape,
.gradient-orb {
  position: fixed !important;
  z-index: -1;
}

/* ============================================
   CINEMATIC HERO SECTION
   ============================================ */
.nexus-container {
  position: relative;
  width: 100%;
  min-height: 100vh;
}

.hero-nexus {
  position: relative;
  width: 100%;
  min-height: 100vh;
  background: transparent;
  overflow: visible;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Animated Background Layers - Parallax */
.bg-layer {
  position: absolute;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 50% 50%, rgba(0, 37, 84, 0.3) 0%, transparent 70%);
  animation: parallax-float 20s infinite ease-in-out;
}

.layer-1 {
  animation-delay: 0s;
  animation-duration: 25s;
}

.layer-2 {
  animation-delay: -8s;
  animation-duration: 30s;
  background: radial-gradient(circle at 30% 70%, rgba(0, 212, 255, 0.15) 0%, transparent 60%);
}

.layer-3 {
  animation-delay: -16s;
  animation-duration: 35s;
  background: radial-gradient(circle at 70% 30%, rgba(99, 102, 241, 0.12) 0%, transparent 50%);
}

@keyframes parallax-float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(-2%, 3%) scale(1.05); }
  50% { transform: translate(3%, -2%) scale(0.95); }
  75% { transform: translate(-3%, 2%) scale(1.02); }
}

/* Morphing Shapes - 有機的変形図形 */
.morph-shape {
  position: absolute;
  border-radius: 40% 60% 70% 30% / 40% 50% 60% 50%;
  background: linear-gradient(135deg, rgba(0, 37, 84, 0.2), rgba(99, 102, 241, 0.15));
  backdrop-filter: blur(60px);
  animation: morph-animation 20s infinite;
  opacity: 0.6;
}

.shape-1 {
  width: 500px;
  height: 500px;
  top: 10%;
  left: -10%;
  animation-delay: 0s;
  animation-duration: 25s;
}

.shape-2 {
  width: 400px;
  height: 400px;
  bottom: 15%;
  right: -5%;
  animation-delay: -8s;
  animation-duration: 30s;
}

.shape-3 {
  width: 300px;
  height: 300px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation-delay: -15s;
  animation-duration: 35s;
}

@keyframes morph-animation {
  0%, 100% {
    border-radius: 40% 60% 70% 30% / 40% 50% 60% 50%;
    transform: rotate(0deg) scale(1);
  }
  25% {
    border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
    transform: rotate(90deg) scale(1.1);
  }
  50% {
    border-radius: 30% 70% 50% 50% / 50% 60% 40% 60%;
    transform: rotate(180deg) scale(0.9);
  }
  75% {
    border-radius: 70% 30% 60% 40% / 40% 70% 50% 60%;
    transform: rotate(270deg) scale(1.05);
  }
}

/* Floating Particles */
.particle-field {
  position: absolute;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.float-particle {
  position: absolute;
  width: 3px;
  height: 3px;
  background: rgba(255, 255, 255, 0.6);
  border-radius: 50%;
  left: var(--x);
  top: var(--y);
  animation: particle-float 15s infinite ease-in-out;
  animation-delay: var(--delay);
  box-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

@keyframes particle-float {
  0%, 100% { 
    transform: translate(0, 0); 
    opacity: 0.3;
  }
  25% { 
    transform: translate(50px, -80px); 
    opacity: 0.8;
  }
  50% { 
    transform: translate(-30px, -150px); 
    opacity: 1;
  }
  75% { 
    transform: translate(70px, -100px); 
    opacity: 0.6;
  }
}

/* Gradient Orbs - 光る球体 */
.gradient-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
  animation: orb-pulse 8s infinite ease-in-out;
}

.orb-1 {
  width: 600px;
  height: 600px;
  top: -100px;
  left: -100px;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.4) 0%, transparent 70%);
  animation-delay: 0s;
}

.orb-2 {
  width: 500px;
  height: 500px;
  bottom: -50px;
  right: -50px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.3) 0%, transparent 70%);
  animation-delay: -4s;
}

.orb-3 {
  width: 400px;
  height: 400px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(0, 37, 84, 0.5) 0%, transparent 70%);
  animation-delay: -2s;
}

@keyframes orb-pulse {
  0%, 100% { transform: scale(1) translate(-50%, -50%); opacity: 0.4; }
  50% { transform: scale(1.2) translate(-50%, -50%); opacity: 0.6; }
}

/* Hero Content */
.hero-content {
  position: relative;
  z-index: 10;
  text-align: center;
  padding: 2rem;
  max-width: 1200px;
}

/* Logo */
.logo-container {
  position: relative;
  margin-bottom: 3rem;
  display: inline-block;
}

.logo-link {
  display: inline-block;
  position: relative;
  z-index: 2;
  transition: transform 0.6s var(--ease-smooth);
}

.logo-link:hover {
  transform: scale(1.08) translateY(-5px);
}

.logo-nexus {
  height: 80px;
  position: relative;
  z-index: 2;
  filter: drop-shadow(0 0 30px rgba(255, 255, 255, 0.4));
  transition: filter 0.6s var(--ease-smooth);
}

.logo-link:hover .logo-nexus {
  filter: drop-shadow(0 0 50px rgba(0, 212, 255, 0.8)) drop-shadow(0 0 80px rgba(99, 102, 241, 0.6));
}

.logo-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 250px;
  height: 250px;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.3) 0%, transparent 70%);
  filter: blur(50px);
  animation: logo-glow-pulse 3s infinite ease-in-out;
  pointer-events: none;
}

.logo-link:hover .logo-glow {
  animation: logo-glow-pulse-fast 1.5s infinite ease-in-out;
}

@keyframes logo-glow-pulse {
  0%, 100% { transform: translate(-50%, -50%) scale(0.8); opacity: 0.3; }
  50% { transform: translate(-50%, -50%) scale(1.2); opacity: 0.6; }
}

@keyframes logo-glow-pulse-fast {
  0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.5; }
  50% { transform: translate(-50%, -50%) scale(1.4); opacity: 0.8; }
}

/* Logo Particles - 8方向に飛び散る */
.logo-particles {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.logo-particle {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 4px;
  height: 4px;
  background: rgba(0, 212, 255, 0.8);
  border-radius: 50%;
  opacity: 0;
  animation: particle-burst 3s infinite ease-out;
  animation-delay: calc(var(--angle) / 45 * 0.1s);
  box-shadow: 0 0 10px rgba(0, 212, 255, 0.8);
}

@keyframes particle-burst {
  0% {
    transform: translate(-50%, -50%) translateX(0) translateY(0);
    opacity: 0;
    scale: 0;
  }
  10% {
    opacity: 1;
    scale: 1;
  }
  80% {
    opacity: 0.5;
  }
  100% {
    transform: translate(-50%, -50%) 
               translateX(calc(cos(var(--angle)) * 100px)) 
               translateY(calc(sin(var(--angle)) * 100px));
    opacity: 0;
    scale: 0.5;
  }
}

.logo-link:hover .logo-particle {
  animation-duration: 1.5s;
}

/* Subtitle */
.subtitle-nexus {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 3rem;
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  color: rgba(255, 255, 255, 0.5);
  font-weight: 300;
}

.subtitle-line {
  width: 60px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.5), transparent);
}

.subtitle-text {
  white-space: nowrap;
}

/* Headline */
.headline-nexus {
  font-size: clamp(2.5rem, 8vw, 6rem);
  font-weight: 200;
  margin-bottom: 2rem;
  line-height: 1.2;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.headline-word {
  background: linear-gradient(135deg, #ffffff 0%, rgba(255, 255, 255, 0.7) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 300;
  animation: text-shimmer 3s infinite;
}

.headline-cross {
  color: rgba(0, 212, 255, 0.8);
  font-size: 0.6em;
  font-weight: 100;
}

@keyframes text-shimmer {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.8; }
}

/* Sub Headline */
.subheadline-nexus {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: rgba(255, 255, 255, 0.7);
  font-weight: 300;
  line-height: 1.8;
  margin-bottom: 4rem;
  letter-spacing: 0.05em;
}

.highlight-text {
  color: rgba(0, 212, 255, 0.9);
  font-weight: 400;
}

/* Stats Cards - 3D Effect */
.stats-nexus {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 3rem;
  margin-bottom: 4rem;
  flex-wrap: wrap;
}

.stat-card {
  position: relative;
  padding: 2rem 2.5rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  backdrop-filter: blur(20px);
  transition: all 0.6s var(--ease-smooth);
  cursor: pointer;
}

.stat-card:hover {
  transform: translateY(-10px) scale(1.05);
  border-color: rgba(0, 212, 255, 0.5);
  box-shadow: 0 20px 60px rgba(0, 212, 255, 0.2);
}

.stat-number {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 100;
  color: #ffffff;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  justify-content: center;
}

.stat-month {
  font-size: 0.4em;
  font-weight: 300;
}

.stat-day {
  font-size: 1em;
}

.stat-label {
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: rgba(255, 255, 255, 0.5);
  text-transform: uppercase;
  font-weight: 300;
}

.stat-glow {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.6), transparent);
  opacity: 0;
  transition: opacity 0.6s;
}

.stat-card:hover .stat-glow {
  opacity: 1;
}

.stat-divider {
  width: 1px;
  height: 80px;
  background: linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.2), transparent);
}

/* CTA Buttons */
.cta-nexus {
  display: flex;
  gap: 2rem;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 6rem;
}

.btn-primary-nexus {
  position: relative;
  padding: 1.25rem 3rem;
  background: linear-gradient(135deg, #002554 0%, #003d7a 100%);
  border: 2px solid rgba(0, 212, 255, 0.3);
  border-radius: 50px;
  color: #ffffff;
  font-size: 0.875rem;
  letter-spacing: 0.3em;
  font-weight: 500;
  cursor: pointer;
  overflow: hidden;
  transition: all 0.6s var(--ease-smooth);
  display: flex;
  align-items: center;
  gap: 1rem;
}

.btn-primary-nexus:hover {
  transform: translateY(-5px) scale(1.05);
  border-color: rgba(0, 212, 255, 0.8);
  box-shadow: 0 20px 60px rgba(0, 212, 255, 0.3);
}

.btn-glow {
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.6s;
}

.btn-primary-nexus:hover .btn-glow {
  left: 100%;
}

.btn-arrow {
  transition: transform 0.6s var(--ease-smooth);
}

.btn-primary-nexus:hover .btn-arrow {
  transform: translateX(5px);
}

.btn-secondary-nexus {
  position: relative;
  padding: 1rem 2rem;
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.875rem;
  letter-spacing: 0.2em;
  font-weight: 300;
  cursor: pointer;
  transition: all 0.5s var(--ease-smooth);
}

.btn-underline {
  position: absolute;
  bottom: 0.5rem;
  left: 0;
  width: 0;
  height: 1px;
  background: linear-gradient(90deg, rgba(0, 212, 255, 0.8), rgba(99, 102, 241, 0.8));
  transition: width 0.6s var(--ease-smooth);
}

.btn-secondary-nexus:hover .btn-underline {
  width: 100%;
}

.btn-secondary-nexus:hover {
  color: rgba(0, 212, 255, 1);
}

/* Scroll Indicator */
.scroll-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  opacity: 0.5;
  animation: scroll-bounce 2s infinite;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.5));
}

.scroll-dot {
  width: 8px;
  height: 8px;
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 50%;
  animation: scroll-dot-pulse 2s infinite;
}

.scroll-text {
  font-size: 0.625rem;
  letter-spacing: 0.3em;
  color: rgba(255, 255, 255, 0.5);
  font-weight: 300;
}

@keyframes scroll-bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(10px); }
}

@keyframes scroll-dot-pulse {
  0%, 100% { transform: scale(1); opacity: 0.5; }
  50% { transform: scale(1.5); opacity: 1; }
}

/* Reveal Animations */
.reveal-up {
  opacity: 0;
  transform: translateY(50px);
  animation: reveal-up 1s forwards var(--ease-smooth);
}

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }
.delay-4 { animation-delay: 0.8s; }
.delay-5 { animation-delay: 1s; }
.delay-6 { animation-delay: 1.2s; }

@keyframes reveal-up {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============================================
   SECTIONS - 全セクションに背景アニメーション
   背景固定パララックス対応
   ============================================ */
.section-nexus {
  position: relative;
  padding: 8rem 2rem;
  overflow: visible;
  background: transparent !important;
}

/* Overview Section専用アニメーション */
.shape-overview-1 {
  width: 450px;
  height: 450px;
  top: 15%;
  right: 5%;
  animation-delay: -5s;
  animation-duration: 28s;
}

.shape-overview-2 {
  width: 350px;
  height: 350px;
  bottom: 20%;
  left: 10%;
  animation-delay: -12s;
  animation-duration: 32s;
}

.orb-overview-1 {
  width: 500px;
  height: 500px;
  top: -50px;
  left: -100px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.3) 0%, transparent 70%);
  animation-delay: -1s;
}

.orb-overview-2 {
  width: 450px;
  height: 450px;
  bottom: -80px;
  right: -80px;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.25) 0%, transparent 70%);
  animation-delay: -5s;
}

/* Schedule Section専用アニメーション */
.shape-schedule-1 {
  width: 400px;
  height: 400px;
  top: 20%;
  left: 8%;
  animation-delay: -8s;
  animation-duration: 30s;
}

.shape-schedule-2 {
  width: 350px;
  height: 350px;
  bottom: 15%;
  right: 12%;
  animation-delay: -16s;
  animation-duration: 35s;
}

.orb-schedule-1 {
  width: 550px;
  height: 550px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(0, 37, 84, 0.4) 0%, transparent 70%);
  animation-delay: -3s;
}

.orb-schedule-2 {
  width: 400px;
  height: 400px;
  bottom: -60px;
  left: -60px;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.2) 0%, transparent 70%);
  animation-delay: -6s;
}

/* Requirements Section専用アニメーション */
.shape-requirements-1 {
  width: 500px;
  height: 500px;
  top: 25%;
  right: 10%;
  animation-delay: -10s;
  animation-duration: 33s;
}

.orb-requirements-1 {
  width: 480px;
  height: 480px;
  top: -70px;
  right: -70px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.25) 0%, transparent 70%);
  animation-delay: -2s;
}

.orb-requirements-2 {
  width: 420px;
  height: 420px;
  bottom: -50px;
  left: -80px;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.3) 0%, transparent 70%);
  animation-delay: -7s;
}

/* Apply Section専用アニメーション */
.shape-apply-1 {
  width: 380px;
  height: 380px;
  top: 18%;
  left: 5%;
  animation-delay: -14s;
  animation-duration: 29s;
}

.shape-apply-2 {
  width: 320px;
  height: 320px;
  bottom: 22%;
  right: 8%;
  animation-delay: -20s;
  animation-duration: 34s;
}

.orb-apply-1 {
  width: 500px;
  height: 500px;
  top: -60px;
  left: 50%;
  transform: translateX(-50%);
  background: radial-gradient(circle, rgba(0, 37, 84, 0.35) 0%, transparent 70%);
  animation-delay: -4s;
}

.orb-apply-2 {
  width: 450px;
  height: 450px;
  bottom: -70px;
  right: -90px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.28) 0%, transparent 70%);
  animation-delay: -8s;
}

.section-dark {
  background: linear-gradient(180deg, #000000 0%, #0a0a0a 100%);
}

.section-light {
  background: linear-gradient(180deg, #0a0a0a 0%, #050505 100%);
}

.section-apply {
  background: linear-gradient(180deg, #000000 0%, #0a0a0a 50%, #000000 100%);
}

.container-nexus {
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

/* Section Header */
.section-header {
  text-align: center;
  margin-bottom: 5rem;
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  color: rgba(0, 212, 255, 0.8);
  font-weight: 300;
  margin-bottom: 1rem;
  padding: 0.5rem 1.5rem;
  border: 1px solid rgba(0, 212, 255, 0.3);
  border-radius: 50px;
}

.section-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 200;
  margin-bottom: 1.5rem;
  color: #ffffff;
  letter-spacing: 0.05em;
}

.section-desc {
  font-size: clamp(1rem, 2vw, 1.125rem);
  color: rgba(255, 255, 255, 0.6);
  font-weight: 300;
  line-height: 1.8;
  max-width: 700px;
  margin: 0 auto;
}

/* ============================================
   FEATURE CARDS
   ============================================ */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.feature-card {
  position: relative;
  padding: 3rem 2.5rem;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 24px;
  backdrop-filter: blur(20px);
  transition: all 0.6s var(--ease-smooth);
  overflow: hidden;
}

.feature-card:hover {
  transform: translateY(-15px);
  border-color: rgba(0, 212, 255, 0.4);
  box-shadow: 0 30px 80px rgba(0, 212, 255, 0.2);
}

.card-glow {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 50% 0%, rgba(0, 212, 255, 0.1) 0%, transparent 50%);
  opacity: 0;
  transition: opacity 0.6s;
}

.feature-card:hover .card-glow {
  opacity: 1;
}

.card-number {
  font-size: 4rem;
  font-weight: 100;
  color: rgba(255, 255, 255, 0.05);
  position: absolute;
  top: 1rem;
  right: 1.5rem;
  line-height: 1;
}

.card-icon {
  width: 60px;
  height: 60px;
  margin-bottom: 2rem;
  color: rgba(0, 212, 255, 0.6);
}

.card-icon svg {
  width: 100%;
  height: 100%;
}

.card-title {
  font-size: 1.5rem;
  font-weight: 400;
  margin-bottom: 1rem;
  color: #ffffff;
  letter-spacing: 0.02em;
}

.card-desc {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.6);
  font-weight: 300;
  line-height: 1.8;
}

.card-line {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, rgba(0, 212, 255, 0.8), rgba(99, 102, 241, 0.8));
  transition: width 0.6s var(--ease-smooth);
}

.feature-card:hover .card-line {
  width: 100%;
}

/* Floating Elements */
.float-element {
  position: absolute;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.1) 0%, transparent 70%);
  filter: blur(60px);
  animation: element-float 15s infinite ease-in-out;
}

.element-1 {
  width: 300px;
  height: 300px;
  top: 10%;
  left: 5%;
  animation-delay: 0s;
}

.element-2 {
  width: 250px;
  height: 250px;
  bottom: 15%;
  right: 10%;
  animation-delay: -7s;
}

@keyframes element-float {
  0%, 100% { transform: translate(0, 0); }
  25% { transform: translate(30px, -30px); }
  50% { transform: translate(-20px, 40px); }
  75% { transform: translate(40px, 20px); }
}

/* ============================================
   TIMELINE
   ============================================ */
.timeline-nexus {
  max-width: 800px;
  margin: 0 auto;
  padding-left: 2rem;
}

.timeline-item {
  position: relative;
  padding-left: 4rem;
  padding-bottom: 4rem;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-dot {
  position: absolute;
  left: 0;
  top: 0;
  width: 20px;
  height: 20px;
}

.dot-inner {
  width: 12px;
  height: 12px;
  background: rgba(0, 212, 255, 0.8);
  border-radius: 50%;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.6);
  animation: dot-pulse 2s infinite;
}

.dot-ring {
  width: 20px;
  height: 20px;
  border: 2px solid rgba(0, 212, 255, 0.4);
  border-radius: 50%;
  animation: ring-expand 2s infinite;
}

@keyframes dot-pulse {
  0%, 100% { transform: translate(-50%, -50%) scale(1); }
  50% { transform: translate(-50%, -50%) scale(1.3); }
}

@keyframes ring-expand {
  0% { transform: scale(1); opacity: 0.8; }
  100% { transform: scale(1.8); opacity: 0; }
}

.timeline-line {
  position: absolute;
  left: 9px;
  top: 20px;
  bottom: -20px;
  width: 2px;
  background: linear-gradient(180deg, rgba(0, 212, 255, 0.4), transparent);
}

.timeline-item:last-child .timeline-line {
  display: none;
}

.timeline-content {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  padding: 2rem;
  transition: all 0.5s var(--ease-smooth);
}

.timeline-content:hover {
  transform: translateX(10px);
  border-color: rgba(0, 212, 255, 0.3);
  box-shadow: 0 10px 40px rgba(0, 212, 255, 0.15);
}

.phase-label {
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: rgba(0, 212, 255, 0.8);
  font-weight: 300;
  margin-bottom: 0.75rem;
}

.phase-title {
  font-size: 1.75rem;
  font-weight: 400;
  color: #ffffff;
  margin-bottom: 1rem;
  letter-spacing: 0.02em;
}

.phase-date {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.5);
  font-weight: 300;
  margin-bottom: 0.5rem;
  letter-spacing: 0.05em;
}

.phase-location {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: rgba(0, 212, 255, 0.8);
  margin-bottom: 1.5rem;
  font-weight: 300;
}

.phase-location svg {
  width: 18px;
  height: 18px;
}

.phase-items {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.phase-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.7);
  font-weight: 300;
  line-height: 1.6;
}

.item-icon {
  color: rgba(0, 212, 255, 0.6);
  font-size: 0.75rem;
  margin-top: 0.25rem;
}

/* ============================================
   REQUIREMENTS
   ============================================ */
.requirements-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.requirement-card {
  position: relative;
  padding: 2.5rem 2rem;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  transition: all 0.5s var(--ease-smooth);
  overflow: hidden;
}

.requirement-card:hover {
  transform: translateY(-10px);
  border-color: rgba(0, 212, 255, 0.3);
  box-shadow: 0 20px 60px rgba(0, 212, 255, 0.15);
}

.req-number {
  font-size: 3rem;
  font-weight: 100;
  color: rgba(255, 255, 255, 0.05);
  position: absolute;
  top: 1rem;
  right: 1.5rem;
}

.req-title {
  font-size: 1.125rem;
  font-weight: 400;
  color: #ffffff;
  margin-bottom: 1rem;
  line-height: 1.5;
  letter-spacing: 0.02em;
}

.req-desc {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.6);
  font-weight: 300;
  line-height: 1.7;
}

.req-hover-line {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, rgba(0, 212, 255, 0.8), rgba(99, 102, 241, 0.8));
  transition: width 0.5s var(--ease-smooth);
}

.requirement-card:hover .req-hover-line {
  width: 100%;
}

/* ============================================
   APPLICATION - フォームカード
   ============================================ */
.deadline-banner {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 2rem;
  background: rgba(255, 59, 48, 0.1);
  border: 1px solid rgba(255, 59, 48, 0.3);
  border-radius: 50px;
  margin-top: 1.5rem;
}

.deadline-label {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.7);
  font-weight: 300;
}

.deadline-date {
  font-size: 1.125rem;
  color: rgba(255, 59, 48, 0.9);
  font-weight: 500;
}

/* Form Preview Card - クリエイティブなカード */
.form-cta-container {
  max-width: 600px;
  margin: 0 auto;
}

.form-preview-card {
  position: relative;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 32px;
  padding: 3rem 2.5rem;
  backdrop-filter: blur(30px);
  overflow: hidden;
  transition: all 0.6s var(--ease-smooth);
}

.form-preview-card:hover {
  transform: translateY(-10px);
  border-color: rgba(0, 212, 255, 0.4);
  box-shadow: 0 30px 80px rgba(0, 212, 255, 0.2);
}

.form-preview-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.5), transparent);
}

.form-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 212, 255, 0.1);
  border: 2px solid rgba(0, 212, 255, 0.3);
  border-radius: 20px;
  color: rgba(0, 212, 255, 0.8);
  transition: all 0.6s var(--ease-smooth);
}

.form-preview-card:hover .form-icon {
  transform: scale(1.1) rotate(5deg);
  background: rgba(0, 212, 255, 0.2);
  border-color: rgba(0, 212, 255, 0.6);
  box-shadow: 0 0 40px rgba(0, 212, 255, 0.4);
}

.form-icon svg {
  width: 40px;
  height: 40px;
}

.form-preview-title {
  font-size: 2rem;
  font-weight: 400;
  color: #ffffff;
  text-align: center;
  margin-bottom: 1rem;
  letter-spacing: 0.05em;
}

.form-preview-desc {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.7);
  text-align: center;
  line-height: 1.8;
  margin-bottom: 2rem;
  font-weight: 300;
}

.form-preview-items {
  list-style: none;
  padding: 2rem 0;
  margin: 0 0 2rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.form-preview-items li {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.6);
  padding: 0.75rem 0;
  padding-left: 2rem;
  position: relative;
  font-weight: 300;
}

.form-preview-items li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: rgba(0, 212, 255, 0.8);
  font-weight: 500;
}

/* Form Button - 超クリエイティブボタン */
.btn-form-nexus {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  width: 100%;
  padding: 1.5rem 3rem;
  background: linear-gradient(135deg, #002554 0%, #003d7a 100%);
  border: 2px solid rgba(0, 212, 255, 0.4);
  border-radius: 60px;
  color: #ffffff;
  font-size: 1.125rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  cursor: pointer;
  overflow: hidden;
  transition: all 0.6s var(--ease-smooth);
}

.btn-form-nexus:hover {
  transform: translateY(-5px) scale(1.02);
  border-color: rgba(0, 212, 255, 0.8);
  box-shadow: 
    0 20px 60px rgba(0, 212, 255, 0.3),
    0 0 80px rgba(99, 102, 241, 0.2);
}

.btn-form-nexus .btn-text {
  position: relative;
  z-index: 2;
  transition: transform 0.6s var(--ease-smooth);
}

.btn-form-nexus:hover .btn-text {
  transform: translateX(-10px);
}

.btn-form-nexus .btn-icon {
  position: relative;
  z-index: 2;
  width: 24px;
  height: 24px;
  transition: transform 0.6s var(--ease-smooth);
}

.btn-form-nexus:hover .btn-icon {
  transform: translateX(10px);
}

.btn-form-nexus .btn-glow {
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left 0.8s;
  z-index: 1;
}

.btn-form-nexus:hover .btn-glow {
  left: 100%;
}

.btn-form-nexus::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 0;
  height: 0;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.4) 0%, transparent 70%);
  border-radius: 50%;
  transition: all 0.6s var(--ease-smooth);
  z-index: 0;
}

.btn-form-nexus:hover::before {
  width: 300px;
  height: 300px;
}

.contact-info {
  text-align: center;
  padding: 2rem;
}

.contact-label {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 1rem;
  font-weight: 300;
}

.contact-email {
  font-size: 1.125rem;
  color: rgba(0, 212, 255, 0.8);
  font-weight: 300;
  border-bottom: 1px solid transparent;
  transition: all 0.5s var(--ease-smooth);
}

.contact-email:hover {
  color: rgba(0, 212, 255, 1);
  border-bottom-color: rgba(0, 212, 255, 0.6);
}

/* ============================================
   FOOTER
   ============================================ */
.footer-nexus {
  position: relative;
  padding: 4rem 2rem;
  background: #000000;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  overflow: hidden;
}

.footer-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.footer-logo {
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: 0.3em;
  color: #ffffff;
  margin-bottom: 1rem;
}

.footer-text {
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: rgba(255, 255, 255, 0.4);
  margin-bottom: 1.5rem;
  font-weight: 300;
}

.footer-copyright {
  font-size: 0.625rem;
  color: rgba(255, 255, 255, 0.3);
  font-weight: 300;
}

.footer-glow {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.4), transparent);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
  .hero-nexus {
    min-height: 100svh;
  }
  
  .morph-shape {
    display: none;
  }
  
  .gradient-orb {
    filter: blur(50px);
  }
  
  .headline-nexus {
    flex-direction: column;
    gap: 0.5rem;
  }
  
  .stats-nexus {
    flex-direction: column;
    gap: 2rem;
  }
  
  .stat-divider {
    width: 80px;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  }
  
  .cta-nexus {
    flex-direction: column;
  }
  
  .cards-grid {
    grid-template-columns: 1fr;
  }
  
  .timeline-nexus {
    padding-left: 1rem;
  }
  
  .timeline-item {
    padding-left: 3rem;
  }
  
  .requirements-grid {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ============================================
   SLIDESHOW SECTION - 1.5秒ごとに自動切り替え
   ============================================ */
.slideshow-container {
  position: relative;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  overflow: hidden;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.02);
  border: 2px solid rgba(0, 212, 255, 0.2);
  backdrop-filter: blur(30px);
  padding: 2rem 0;
}

.slideshow-track {
  display: flex;
  gap: 1.5rem;
  animation: slideshow-auto 36s linear infinite;
  /* 24枚(12枚x2) × 1.5秒 = 36秒 */
}

.slideshow-track:hover {
  animation-play-state: paused;
}

@keyframes slideshow-auto {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
    /* 24枚の半分(12枚)分移動 */
  }
}

.slide-card {
  position: relative;
  flex-shrink: 0;
  width: 500px;
  /* 800px → 500px に縮小 */
  aspect-ratio: 16 / 9;
  border-radius: 16px;
  overflow: hidden;
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(0, 212, 255, 0.2);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.slide-card:hover {
  transform: scale(1.05) translateY(-8px);
  border-color: rgba(0, 212, 255, 0.6);
  box-shadow: 
    0 20px 60px rgba(0, 212, 255, 0.3),
    0 0 80px rgba(99, 102, 241, 0.2);
}

.slide-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.slide-card:hover .slide-image {
  transform: scale(1.08);
}

.slide-number {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 212, 255, 0.9);
  color: #000;
  font-weight: 700;
  font-size: 1.125rem;
  border-radius: 50%;
  z-index: 2;
  box-shadow: 0 8px 24px rgba(0, 212, 255, 0.4);
}

.slide-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    transparent 0%,
    rgba(0, 0, 0, 0.4) 100%
  );
  opacity: 0;
  transition: opacity 0.4s ease;
}

.slide-card:hover .slide-overlay {
  opacity: 1;
}

.slideshow-info {
  margin-top: 3rem;
  text-align: center;
}

.slideshow-text {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.7);
  background: rgba(0, 212, 255, 0.05);
  padding: 1rem 2rem;
  border-radius: 50px;
  border: 1px solid rgba(0, 212, 255, 0.2);
}

.info-icon {
  font-size: 1.5rem;
}

/* モバイル対応 */
@media (max-width: 768px) {
  .slide-card {
    width: 300px;
    /* モバイルでさらに縮小 */
  }
  
  .slideshow-container {
    padding: 1rem 0;
  }
  
  .slide-number {
    width: 36px;
    height: 36px;
    font-size: 0.875rem;
  }
  
  .slideshow-text {
    font-size: 0.875rem;
    padding: 0.75rem 1.5rem;
    flex-direction: column;
    gap: 0.5rem;
  }
}

/* ============================================
   HAMBURGER MENU - 三本線メニュー
   ============================================ */
.hamburger-menu {
  position: fixed;
  top: 2rem;
  left: 2rem;
  z-index: 1000;
}

.hamburger-btn {
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: rgba(0, 212, 255, 0.1);
  border: 2px solid rgba(0, 212, 255, 0.3);
  border-radius: 12px;
  padding: 12px 14px;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  backdrop-filter: blur(20px);
}

.hamburger-btn:hover {
  background: rgba(0, 212, 255, 0.2);
  border-color: rgba(0, 212, 255, 0.6);
  transform: scale(1.05);
  box-shadow: 0 8px 24px rgba(0, 212, 255, 0.3);
}

.hamburger-line {
  width: 28px;
  height: 3px;
  background: rgba(0, 212, 255, 0.9);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.hamburger-btn:hover .hamburger-line {
  background: rgba(0, 212, 255, 1);
}

.hamburger-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 350px;
  height: 100vh;
  background: rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(40px);
  border-right: 2px solid rgba(0, 212, 255, 0.3);
  transform: translateX(-100%);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 1001;
  overflow-y: auto;
}

.hamburger-nav.active {
  transform: translateX(0);
}

.hamburger-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
  z-index: 999;
}

.hamburger-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.nav-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 2rem;
  border-bottom: 1px solid rgba(0, 212, 255, 0.2);
}

.nav-title {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.3em;
  background: linear-gradient(135deg, #00D4FF 0%, #6366F1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-close {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  color: #fff;
  font-size: 1.5rem;
  cursor: pointer;
  transition: all 0.3s ease;
}

.nav-close:hover {
  background: rgba(255, 59, 48, 0.2);
  border-color: rgba(255, 59, 48, 0.5);
  transform: rotate(90deg);
}

.nav-list {
  list-style: none;
  padding: 2rem 0;
  margin: 0;
}

.nav-item {
  margin: 0;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 2rem;
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: all 0.3s ease;
  border-left: 3px solid transparent;
}

.nav-link:hover {
  background: rgba(0, 212, 255, 0.1);
  border-left-color: rgba(0, 212, 255, 0.8);
  color: #fff;
  padding-left: 2.5rem;
}

.nav-icon {
  font-size: 1.5rem;
  width: 32px;
  text-align: center;
}

.nav-text {
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.05em;
}

.nav-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.3), transparent);
  margin: 1rem 2rem;
}

/* ============================================
   DETAIL PAGES - 詳細ページ
   ============================================ */
.detail-page {
  min-height: 100vh;
  background: linear-gradient(180deg, #000000 0%, #0a0a0a 100%);
  color: #ffffff;
}

.detail-hero {
  position: relative;
  padding: 8rem 2rem 4rem;
  text-align: center;
  background: linear-gradient(180deg, rgba(0, 212, 255, 0.1) 0%, transparent 100%);
  border-bottom: 1px solid rgba(0, 212, 255, 0.2);
}

.back-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 2rem;
  padding: 0.75rem 1.5rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 50px;
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  font-size: 0.875rem;
  transition: all 0.3s ease;
}

.back-btn:hover {
  background: rgba(0, 212, 255, 0.1);
  border-color: rgba(0, 212, 255, 0.3);
  color: #fff;
  transform: translateX(-5px);
}

.detail-title {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 200;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, #ffffff 0%, rgba(0, 212, 255, 0.8) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.detail-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: rgba(255, 255, 255, 0.6);
  font-weight: 300;
  letter-spacing: 0.05em;
}

.detail-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 4rem 2rem;
}

.detail-section {
  margin-bottom: 6rem;
}

.section-heading {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 300;
  letter-spacing: 0.1em;
  margin-bottom: 2.5rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid rgba(0, 212, 255, 0.3);
  background: linear-gradient(135deg, #00D4FF 0%, #6366F1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.content-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.content-card {
  padding: 2rem;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  transition: all 0.3s ease;
}

.content-card:hover {
  background: rgba(0, 212, 255, 0.05);
  border-color: rgba(0, 212, 255, 0.3);
  transform: translateY(-5px);
  box-shadow: 0 20px 60px rgba(0, 212, 255, 0.2);
}

.content-card h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: rgba(0, 212, 255, 0.9);
}

.content-card p {
  font-size: 1rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.7);
}

.business-grid,
.feature-grid,
.philosophy-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.business-card,
.feature-item,
.philosophy-card {
  padding: 2rem;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: 16px;
  text-align: center;
  transition: all 0.3s ease;
}

.business-card:hover,
.feature-item:hover,
.philosophy-card:hover {
  background: rgba(0, 212, 255, 0.05);
  border-color: rgba(0, 212, 255, 0.4);
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 20px 60px rgba(0, 212, 255, 0.3);
}

.business-icon,
.feature-icon,
.philosophy-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.business-card h3,
.feature-item h3,
.philosophy-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: #fff;
}

.business-card p,
.feature-item p,
.philosophy-card p {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.6);
}

.initiative-content,
.vision-content {
  padding: 2rem;
  background: rgba(0, 212, 255, 0.03);
  border-left: 4px solid rgba(0, 212, 255, 0.5);
  border-radius: 8px;
}

.initiative-content p,
.vision-content p {
  font-size: 1.0625rem;
  line-height: 2;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 1.5rem;
}

.challenge-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.challenge-card {
  padding: 2rem;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
}

.challenge-card h3 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
  color: rgba(0, 212, 255, 0.9);
}

.challenge-card ul {
  list-style: none;
  padding: 0;
}

.challenge-card li {
  padding: 0.75rem 0;
  padding-left: 1.5rem;
  position: relative;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.7;
}

.challenge-card li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: rgba(0, 212, 255, 0.8);
  font-size: 1.5rem;
  line-height: 1;
}

.challenge-summary {
  font-size: 1.0625rem;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.8);
  padding: 1.5rem 2rem;
  background: rgba(0, 212, 255, 0.05);
  border-radius: 12px;
  border-left: 4px solid rgba(0, 212, 255, 0.6);
}

.profile-content {
  margin-top: 2rem;
}

.profile-card {
  padding: 2rem;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: 16px;
}

.profile-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  color: rgba(0, 212, 255, 0.9);
}

.profile-list {
  list-style: none;
  padding: 0;
}

.profile-list li {
  padding: 1rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 1.0625rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.7);
}

.profile-list li:last-child {
  border-bottom: none;
}

.profile-list strong {
  color: rgba(0, 212, 255, 0.9);
  font-weight: 600;
}

.vision-card {
  margin-bottom: 2rem;
  padding: 2rem;
  background: rgba(0, 212, 255, 0.03);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: 16px;
  border-left: 4px solid rgba(0, 212, 255, 0.6);
}

.vision-card h3 {
  font-size: 1.375rem;
  margin-bottom: 1rem;
  color: #fff;
}

.vision-card p {
  font-size: 1.0625rem;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.7);
}

.quote {
  margin: 3rem 0;
  padding: 2rem 3rem;
  background: rgba(0, 0, 0, 0.5);
  border-left: 5px solid rgba(0, 212, 255, 0.8);
  border-radius: 8px;
  font-size: 1.125rem;
  line-height: 2;
  font-style: italic;
  color: rgba(255, 255, 255, 0.9);
}

.quote cite {
  display: block;
  margin-top: 1.5rem;
  font-size: 1rem;
  font-style: normal;
  color: rgba(0, 212, 255, 0.9);
  text-align: right;
}

.resources-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.resource-card {
  display: block;
  padding: 2rem;
  background: rgba(255, 255, 255, 0.02);
  border: 2px solid rgba(0, 212, 255, 0.2);
  border-radius: 16px;
  text-decoration: none;
  transition: all 0.3s ease;
}

.resource-card:hover {
  background: rgba(0, 212, 255, 0.05);
  border-color: rgba(0, 212, 255, 0.5);
  transform: translateY(-8px);
  box-shadow: 0 20px 60px rgba(0, 212, 255, 0.3);
}

.resource-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.resource-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: #fff;
}

.resource-card p {
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 1rem;
  line-height: 1.7;
}

.resource-link {
  display: inline-block;
  font-size: 0.875rem;
  color: rgba(0, 212, 255, 0.9);
  font-weight: 600;
  letter-spacing: 0.05em;
}

.cta-section {
  margin-top: 4rem;
  text-align: center;
}

.cta-link {
  display: inline-block;
  padding: 1.25rem 3rem;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.2) 0%, rgba(99, 102, 241, 0.2) 100%);
  border: 2px solid rgba(0, 212, 255, 0.4);
  border-radius: 50px;
  color: #fff;
  text-decoration: none;
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  transition: all 0.3s ease;
}

.cta-link:hover {
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.3) 0%, rgba(99, 102, 241, 0.3) 100%);
  border-color: rgba(0, 212, 255, 0.8);
  transform: scale(1.05);
  box-shadow: 0 20px 60px rgba(0, 212, 255, 0.4);
}

/* モバイル対応 */
@media (max-width: 768px) {
  .hamburger-menu {
    top: 1rem;
    left: 1rem;
  }
  
  .hamburger-nav {
    width: 85vw;
    max-width: 320px;
  }
  
  .detail-hero {
    padding: 6rem 1.5rem 3rem;
  }
  
  .detail-content {
    padding: 3rem 1.5rem;
  }
  
  .section-heading {
    font-size: 1.75rem;
  }
  
  .content-grid,
  .business-grid,
  .feature-grid,
  .philosophy-grid,
  .challenge-content,
  .resources-grid {
    grid-template-columns: 1fr;
  }
  
  .quote {
    padding: 1.5rem;
    font-size: 1rem;
  }
}

/* ============================================
   SPEAKERS PAGE - 講演者一覧ページ
   ============================================ */
.speakers-intro {
  font-size: 1.0625rem;
  line-height: 2;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 3rem;
  text-align: center;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.speakers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 3rem;
  margin-top: 3rem;
}

.speaker-card {
  display: block;
  background: rgba(255, 255, 255, 0.02);
  border: 2px solid rgba(0, 212, 255, 0.2);
  border-radius: 20px;
  overflow: hidden;
  text-decoration: none;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.speaker-card:hover {
  background: rgba(0, 212, 255, 0.05);
  border-color: rgba(0, 212, 255, 0.5);
  transform: translateY(-10px) scale(1.02);
  box-shadow: 0 30px 80px rgba(0, 212, 255, 0.3);
}

.speaker-image-container {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.1) 0%, rgba(99, 102, 241, 0.1) 100%);
}

.speaker-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.speaker-card:hover .speaker-image {
  transform: scale(1.1);
}

.speaker-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.8) 100%);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 2rem;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.speaker-card:hover .speaker-overlay {
  opacity: 1;
}

.view-profile {
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.view-profile i {
  transition: transform 0.3s ease;
}

.speaker-card:hover .view-profile i {
  transform: translateX(5px);
}

.speaker-info {
  padding: 2rem;
}

.speaker-name {
  font-size: 1.75rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 0.5rem;
}

.speaker-title {
  font-size: 1rem;
  color: rgba(0, 212, 255, 0.9);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.speaker-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.speaker-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid rgba(0, 212, 255, 0.3);
  border-radius: 20px;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.8);
}

.speaker-tag i {
  font-size: 0.875rem;
  color: rgba(0, 212, 255, 0.9);
}

.speaker-desc {
  font-size: 0.9375rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.6);
}

/* Coming Soon Card */
.speaker-coming-soon {
  opacity: 0.6;
  cursor: default;
}

.speaker-coming-soon:hover {
  transform: none;
  box-shadow: none;
  border-color: rgba(0, 212, 255, 0.2);
}

.coming-soon-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 212, 255, 0.05);
}

.coming-soon-placeholder i {
  font-size: 5rem;
  color: rgba(0, 212, 255, 0.3);
}

/* Lecture Topics */
.lecture-topics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.topic-card {
  padding: 2rem;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: 16px;
  text-align: center;
  transition: all 0.3s ease;
}

.topic-card:hover {
  background: rgba(0, 212, 255, 0.05);
  border-color: rgba(0, 212, 255, 0.4);
  transform: translateY(-5px);
  box-shadow: 0 20px 60px rgba(0, 212, 255, 0.2);
}

.topic-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.2) 0%, rgba(99, 102, 241, 0.2) 100%);
  border: 2px solid rgba(0, 212, 255, 0.3);
  border-radius: 50%;
  font-size: 2rem;
  color: rgba(0, 212, 255, 0.9);
}

.topic-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: #fff;
}

.topic-card p {
  font-size: 0.9375rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.6);
}

/* Profile Hero Image */
.profile-hero-container {
  max-width: 800px;
  margin: 0 auto 4rem;
  border-radius: 20px;
  overflow: hidden;
  border: 3px solid rgba(0, 212, 255, 0.3);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5);
}

.profile-hero-image {
  width: 100%;
  height: auto;
  display: block;
}

/* Nav Icon Styling - モノトーンアイコン */
.nav-icon i {
  color: rgba(0, 212, 255, 0.8);
  font-size: 1.25rem;
}

.nav-link:hover .nav-icon i {
  color: rgba(0, 212, 255, 1);
}

/* モバイル対応 */
@media (max-width: 768px) {
  .speakers-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .speaker-name {
    font-size: 1.5rem;
  }
  
  .lecture-topics {
    grid-template-columns: 1fr;
  }
  
  .profile-hero-container {
    margin-bottom: 2rem;
  }
}