/* ========================================
   Global Styles & Reset
   ======================================== */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Noto Serif JP', 'Inter', Georgia, serif;
  overflow-x: hidden;
  color: #1a1a1a;
  line-height: 1.9;
  font-weight: 300;
  font-optical-sizing: auto;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::selection {
  background: #1a1a1a;
  color: #fafaf8;
}

/* ========================================
   Typography
   ======================================== */

.section-label {
  font-size: clamp(10px, 2vw, 11px);
  font-weight: 400;
  letter-spacing: 8px;
  text-transform: uppercase;
  color: #888;
  margin-bottom: 20px;
  font-family: 'Inter', serif;
  font-optical-sizing: auto;
  text-align: left;
}

.section-title {
  font-size: clamp(24px, 3.5vw, 38px);
  font-weight: 300;
  margin-bottom: 24px;
  line-height: 1.3;
  letter-spacing: 0.05em;
  font-optical-sizing: auto;
  text-align: left;
}

.highlight-gold {
  background: linear-gradient(135deg, #FFD700 0%, #FFA500 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 500;
}

.section-subtitle {
  font-size: clamp(14px, 2.5vw, 16px);
  color: #555;
  margin-bottom: 48px;
  line-height: 2.1;
  font-weight: 300;
  letter-spacing: 0.05em;
  font-optical-sizing: auto;
  text-align: left;
}

.section-description {
  font-size: clamp(14px, 2.5vw, 16px);
  color: #555;
  margin-bottom: 56px;
  line-height: 2.1;
  max-width: 900px;
  font-weight: 300;
  letter-spacing: 0.05em;
  font-optical-sizing: auto;
  text-align: left;
}

/* ========================================
   Layout
   ======================================== */

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 clamp(32px, 6vw, 100px);
}

.section {
  padding: clamp(50px, 10vw, 80px) 0;
}

/* ========================================
   Header & Navigation
   ======================================== */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: #0a0a0a;
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
  z-index: 1000;
  padding: 16px 0;
}

.header-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 clamp(20px, 5vw, 40px);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: nowrap;
  gap: 16px;
}

.logo {
  font-size: clamp(17px, 3vw, 21px);
  font-weight: 400;
  color: #ffffff;
  letter-spacing: 0.08em;
  font-family: 'Noto Serif JP', serif;
  font-optical-sizing: auto;
}

.nav {
  display: flex;
  gap: clamp(20px, 3vw, 36px);
  flex-wrap: wrap;
}

.nav-link {
  font-size: clamp(13px, 2vw, 14px);
  font-weight: 400;
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  transition: color 0.3s;
  letter-spacing: 0.08em;
  font-optical-sizing: auto;
}

.nav-link:hover {
  color: #ffffff;
}

@media (max-width: 768px) {
  .nav {
    width: 100%;
    justify-content: center;
  }
}

/* ========================================
   Hero Section
   ======================================== */

.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  text-align: center;
  overflow: hidden;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}

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

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(160deg,
    rgba(10, 10, 10, 0.5) 0%,
    rgba(10, 10, 10, 0.3) 50%,
    rgba(10, 10, 10, 0.7) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  padding: 0 20px;
}

.hero-subtitle {
  display: inline-block;
  font-size: clamp(13px, 2.5vw, 16px);
  font-weight: 400;
  letter-spacing: 6px;
  text-transform: uppercase;
  margin-bottom: 32px;
  opacity: 0.9;
  font-family: 'Inter', sans-serif;
  border: 1px solid rgba(255, 255, 255, 0.6);
  padding: 12px 28px;
  border-radius: 0;
}

.hero-title {
  font-size: clamp(32px, 6vw, 64px);
  font-weight: 300;
  margin-bottom: 28px;
  line-height: 1.6;
  letter-spacing: 0.08em;
  font-optical-sizing: auto;
}

.hero-description {
  font-size: clamp(14px, 2.5vw, 17px);
  font-weight: 400;
  line-height: 1.8;
  margin-bottom: 48px;
  opacity: 0.8;
  letter-spacing: 0.12em;
  font-optical-sizing: auto;
  text-transform: uppercase;
}

.hero-cta {
  display: inline-block;
  background: #fff;
  color: #1a1a1a;
  font-size: clamp(14px, 2vw, 15px);
  font-weight: 400;
  padding: clamp(16px, 2vw, 18px) clamp(40px, 5vw, 56px);
  border-radius: 0;
  text-decoration: none;
  transition: all 0.3s;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
  letter-spacing: 0.1em;
  font-family: 'Noto Serif JP', serif;
  font-optical-sizing: auto;
}

.hero-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
}

/* ========================================
   Vision Section
   ======================================== */

.vision-section {
  background: #fafaf8;
  text-align: center;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: clamp(28px, 5vw, 48px);
  max-width: 1000px;
  margin: 0 auto;
}

.stat-card {
  background: #fff;
  padding: clamp(32px, 5vw, 48px);
  border-radius: 4px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s, box-shadow 0.3s;
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
}

.stat-number {
  font-size: clamp(56px, 8vw, 76px);
  font-weight: 300;
  color: #1a1a1a;
  display: inline-block;
  letter-spacing: 0.02em;
  font-family: 'Inter', sans-serif;
}

.stat-unit {
  font-size: clamp(20px, 3vw, 24px);
  font-weight: 300;
  color: #1a1a1a;
  display: inline-block;
  margin-left: 8px;
  font-family: 'Inter', sans-serif;
}

.stat-title {
  font-size: clamp(16px, 2vw, 18px);
  font-weight: 500;
  margin: 20px 0 12px;
  color: #1a1a1a;
  letter-spacing: 0.05em;
  font-optical-sizing: auto;
}

.stat-subtitle {
  font-size: clamp(13px, 2vw, 14px);
  color: #666;
  line-height: 2;
  font-weight: 300;
  letter-spacing: 0.05em;
  font-optical-sizing: auto;
}

/* ========================================
   Reality Section (100億の壁)
   ======================================== */

.reality-section {
  margin-top: 40px;
  padding-top: 40px;
}

.reality-section .section-description {
  margin-bottom: 0;
}

.reality-title {
  font-size: clamp(22px, 4vw, 32px);
  font-weight: 400;
  margin-bottom: 24px;
  color: #1a1a1a;
  letter-spacing: 0.05em;
  font-optical-sizing: auto;
  text-align: left;
}

.reality-description {
  font-size: clamp(15px, 3vw, 17px);
  color: #555;
  line-height: 2.1;
  margin-bottom: 48px;
  font-weight: 300;
  letter-spacing: 0.05em;
  font-optical-sizing: auto;
  text-align: left;
}

.reality-description strong {
  font-weight: 600;
  color: #1a1a1a;
}

.reality-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: clamp(24px, 4vw, 32px);
  margin-top: 48px;
}

.reality-stat-card {
  background: #fff;
  padding: clamp(32px, 5vw, 40px);
  border: 1px solid #1a1a1a;
  text-align: center;
  transition: transform 0.3s, box-shadow 0.3s;
}

.reality-stat-card:hover {
  transform: translateY(-4px);
  box-shadow: 6px 6px 0 #1a1a1a;
}

.reality-stat-number {
  font-size: clamp(48px, 8vw, 64px);
  font-weight: 300;
  color: #1a1a1a;
  display: inline-block;
  letter-spacing: 0.02em;
  font-family: 'Inter', sans-serif;
  line-height: 1;
}

.reality-stat-unit {
  font-size: clamp(18px, 3vw, 22px);
  font-weight: 300;
  color: #1a1a1a;
  display: inline-block;
  margin-left: 8px;
  font-family: 'Inter', sans-serif;
}

.reality-stat-label {
  font-size: clamp(14px, 2vw, 15px);
  color: #666;
  margin-top: 20px;
  line-height: 1.8;
  font-weight: 300;
  letter-spacing: 0.05em;
  font-optical-sizing: auto;
}

.reality-stat-source {
  font-size: clamp(12px, 2vw, 13px);
  color: #888;
  margin-top: 12px;
  font-style: italic;
  font-weight: 300;
}

/* Visual Comparison Graph */
.visual-comparison {
  background: transparent;
  padding: 0 0 clamp(12px, 2vw, 16px) 0;
  margin: 0 0 16px 0;
  border-radius: 0;
}

.visual-comparison-subtitle {
  color: #1a1a1a;
  font-size: clamp(14px, 2.5vw, 17px);
  text-align: center;
  margin-bottom: 48px;
  font-weight: 400;
  letter-spacing: 0.05em;
}

.comparison-graph {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: clamp(40px, 8vw, 80px);
  min-height: 400px;
  max-width: 900px;
  margin: 0 auto;
}

.comparison-bar {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: center;
  transition: transform 0.3s ease;
  position: relative;
}

.comparison-bar-all {
  width: 400px;
  max-width: 90%;
}

.comparison-bar-all .comparison-bar-inner {
  height: 180px;
}

.comparison-bar-100 {
  width: 400px;
  max-width: 90%;
}

.comparison-bar-100 .comparison-bar-inner {
  height: 180px;
  transition: height 1.5s ease-out 0.5s;
}

.comparison-bar-100 .comparison-bar-inner.animated {
  height: 3px;
}


.comparison-bar-inner {
  width: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 24px;
  position: relative;
}

.comparison-bar-all .comparison-bar-inner {
  background: #e5e5e5;
  border: none;
}

.comparison-bar-100 .comparison-bar-inner {
  background: #1a1a1a;
  border: 1px solid #1a1a1a;
  padding: 0;
  justify-content: center;
}

.comparison-number {
  position: absolute;
  top: -70px;
  font-size: clamp(20px, 3.5vw, 32px);
  font-weight: 300;
  color: #1a1a1a;
  font-family: 'Inter', sans-serif;
  letter-spacing: 0.02em;
}

.comparison-label {
  font-size: clamp(14px, 2.5vw, 16px);
  font-weight: 500;
  color: #1a1a1a;
  margin-top: 16px;
  letter-spacing: 0.05em;
  text-align: center;
}

@media (max-width: 768px) {
  .comparison-graph {
    min-height: 300px;
  }

  .comparison-bar-all {
    height: 300px;
  }

  .comparison-bar-100 {
    height: 3px;
  }
}

/* ========================================
   Community Section
   ======================================== */

.community-section {
  background: linear-gradient(160deg,
    rgba(10, 10, 10, 0.95) 0%,
    rgba(26, 26, 46, 0.95) 40%,
    rgba(22, 33, 62, 0.95) 70%,
    rgba(15, 52, 96, 0.95) 100%),
    url('https://images.unsplash.com/photo-1557804506-669a67965ba0?w=1600&q=80');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  color: #fff;
}

.community-section .section-label {
  color: rgba(255, 255, 255, 0.6);
}

.community-section .section-title {
  background: linear-gradient(135deg, #FFD700 0%, #FFA500 25%, #FFD700 50%, #FFA500 75%, #FFD700 100%);
  background-size: 200% 200%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: goldShimmer 3s ease infinite;
  filter: drop-shadow(0 0 20px rgba(255, 215, 0, 0.5));
}

.community-section .section-description {
  color: rgba(255, 255, 255, 0.85);
}

.community-logo {
  display: flex;
  justify-content: center;
  margin: clamp(32px, 5vw, 48px) 0 clamp(16px, 2vw, 24px) 0;
}

.community-logo-image {
  height: clamp(300px, 40vw, 500px);
  width: auto;
  filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.3));
}

.community-name {
  font-size: clamp(24px, 4.5vw, 40px);
  font-weight: 400;
  color: #fff;
  text-align: center;
  margin: clamp(16px, 2vw, 24px) 0 clamp(32px, 5vw, 48px) 0;
  letter-spacing: 0.08em;
  font-optical-sizing: auto;
  line-height: 1.3;
}

.community-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: clamp(24px, 4vw, 32px);
  margin-top: 64px;
}

.community-card {
  background: rgba(255, 255, 255, 0.05);
  padding: clamp(32px, 5vw, 40px);
  border-radius: 0;
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: transform 0.3s, border-color 0.3s;
}

.community-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.3);
}

.community-card-title {
  font-size: clamp(18px, 3vw, 22px);
  font-weight: 400;
  margin-bottom: 16px;
  color: #fff;
  letter-spacing: 0.05em;
  font-optical-sizing: auto;
}

.community-card-description {
  font-size: clamp(14px, 2.5vw, 16px);
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.75);
  font-weight: 300;
  letter-spacing: 0.03em;
  font-optical-sizing: auto;
}

.community-search {
  margin-top: clamp(48px, 6vw, 80px);
  padding: clamp(32px, 5vw, 48px);
  background: transparent;
  border: none;
  border-radius: 0;
  text-align: center;
}

.community-search-title {
  font-size: clamp(20px, 3.5vw, 28px);
  font-weight: 400;
  color: #fff;
  margin-bottom: 12px;
  letter-spacing: 0.05em;
  font-optical-sizing: auto;
}

.community-search-description {
  font-size: clamp(14px, 2.5vw, 16px);
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 32px;
  font-weight: 300;
  letter-spacing: 0.03em;
}

.community-search-form {
  display: flex;
  gap: 16px;
  max-width: 600px;
  margin: 0 auto;
}

.community-search-input-wrapper {
  flex: 1;
  position: relative;
}

.community-search-input {
  width: 100%;
  padding: 16px 20px;
  font-size: clamp(14px, 2.5vw, 16px);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  border-radius: 0;
  font-family: 'Noto Serif JP', serif;
  font-weight: 300;
  letter-spacing: 0.03em;
  transition: border-color 0.3s, background 0.3s;
}

.community-search-input::placeholder {
  color: rgba(255, 255, 255, 0.4);
}

.community-search-input:focus {
  outline: none;
  border-color: rgba(255, 255, 255, 0.5);
  background: rgba(255, 255, 255, 0.15);
}

.community-search-suggestions {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: rgba(26, 26, 46, 0.98);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-top: none;
  max-height: 300px;
  overflow-y: auto;
  z-index: 100;
  display: none;
}

.community-search-suggestions.active {
  display: block;
}

.suggestion-item {
  padding: 12px 20px;
  color: rgba(255, 255, 255, 0.9);
  font-size: clamp(14px, 2.5vw, 15px);
  cursor: pointer;
  transition: background 0.2s;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  text-align: left;
}

.suggestion-item:hover,
.suggestion-item.selected {
  background: rgba(255, 255, 255, 0.15);
}

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

.community-search-btn {
  padding: 16px 40px;
  font-size: clamp(14px, 2.5vw, 16px);
  background: #fff;
  color: #1a1a1a;
  border: 1px solid #fff;
  font-weight: 400;
  cursor: pointer;
  transition: background 0.3s, color 0.3s;
  font-family: 'Noto Serif JP', serif;
  letter-spacing: 0.05em;
  border-radius: 0;
}

.community-search-btn:hover {
  background: transparent;
  color: #fff;
}

.community-search-result {
  margin-top: 24px;
  font-size: clamp(15px, 2.8vw, 17px);
  color: #fff;
  font-weight: 400;
  letter-spacing: 0.03em;
  min-height: 30px;
}

.search-result-gold {
  background: linear-gradient(135deg, #FFD700 0%, #FFA500 25%, #FFD700 50%, #FFA500 75%, #FFD700 100%);
  background-size: 200% 200%;
  animation: goldShimmer 3s ease infinite;
  padding: clamp(32px, 5vw, 48px);
  border-radius: 8px;
  border: 2px solid #1a1a1a;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3), 0 0 80px rgba(255, 215, 0, 0.2);
  position: relative;
  overflow: hidden;
}

.search-result-gold::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    45deg,
    transparent 30%,
    rgba(255, 255, 255, 0.3) 50%,
    transparent 70%
  );
  animation: goldSparkle 3s infinite;
}

@keyframes goldShimmer {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

@keyframes goldSparkle {
  0% { transform: translate(-100%, -100%) rotate(45deg); }
  100% { transform: translate(100%, 100%) rotate(45deg); }
}

.gold-badge {
  display: inline-block;
  background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
  color: #FFD700;
  padding: 8px 24px;
  border-radius: 24px;
  font-size: clamp(14px, 2.5vw, 16px);
  font-weight: 600;
  letter-spacing: 0.1em;
  border: 2px solid #FFD700;
  margin-bottom: 16px;
  box-shadow: 0 4px 16px rgba(255, 215, 0, 0.3);
}

.gold-title {
  font-size: clamp(24px, 4vw, 32px);
  font-weight: 600;
  color: #1a1a1a;
  margin: 16px 0;
  letter-spacing: 0.05em;
}

.gold-company-name {
  font-size: clamp(20px, 3.5vw, 28px);
  font-weight: 700;
  color: #8B4513;
  margin: 12px 0;
}

.gold-message {
  font-size: clamp(15px, 2.8vw, 18px);
  color: #2d2d2d;
  line-height: 1.8;
  margin-top: 16px;
  font-weight: 400;
}

.gold-cta {
  display: inline-block;
  margin-top: 24px;
  padding: 14px 32px;
  background: #1a1a1a;
  color: #FFD700;
  text-decoration: none;
  border-radius: 4px;
  font-weight: 600;
  font-size: clamp(14px, 2.5vw, 16px);
  letter-spacing: 0.08em;
  transition: transform 0.3s, box-shadow 0.3s;
  border: 2px solid #FFD700;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

.gold-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(255, 215, 0, 0.4);
}

@media (max-width: 600px) {
  .community-search-form {
    flex-direction: column;
  }

  .community-search-btn {
    width: 100%;
  }
}

.community-benefits {
  margin-top: clamp(64px, 8vw, 96px);
  padding: 0;
  background: transparent;
  border: none;
  border-radius: 0;
}

.community-benefits-title {
  font-size: clamp(22px, 3.5vw, 30px);
  font-weight: 400;
  color: #fff;
  text-align: center;
  margin-bottom: clamp(40px, 6vw, 56px);
  letter-spacing: 0.05em;
  font-optical-sizing: auto;
}

.community-benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: clamp(24px, 4vw, 32px);
}

.benefit-item {
  background: rgba(255, 255, 255, 0.05);
  padding: clamp(32px, 5vw, 40px);
  border-radius: 0;
  text-align: left;
  transition: transform 0.3s, border-color 0.3s;
  border: 1px solid rgba(255, 255, 255, 0.2);
  position: relative;
}

.benefit-item:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.4);
}

.benefit-item-gold {
  background: rgba(255, 255, 255, 0.05);
  border: 2px solid #FFD700;
  box-shadow: 0 0 20px rgba(255, 215, 0, 0.3);
}

.benefit-item-gold:hover {
  border-color: #FFA500;
  box-shadow: 0 0 30px rgba(255, 215, 0, 0.5);
}

.benefit-item-gold .benefit-number {
  color: #FFD700;
}

.benefit-item-gold .benefit-title {
  color: #FFD700;
  border-bottom-color: rgba(255, 215, 0, 0.3);
}

.benefit-item-gold .benefit-description {
  color: #FFA500;
}

.benefit-item-silver {
  background: rgba(255, 255, 255, 0.05);
  border: 2px solid #C0C0C0;
  box-shadow: 0 0 20px rgba(192, 192, 192, 0.3);
}

.benefit-item-silver:hover {
  border-color: #D3D3D3;
  box-shadow: 0 0 30px rgba(192, 192, 192, 0.5);
}

.benefit-item-silver .benefit-number {
  color: #C0C0C0;
}

.benefit-item-silver .benefit-title {
  color: #C0C0C0;
  border-bottom-color: rgba(192, 192, 192, 0.3);
}

.benefit-item-silver .benefit-description {
  color: #A9A9A9;
}

.benefit-number {
  font-size: clamp(10px, 2vw, 11px);
  font-weight: 500;
  letter-spacing: 4px;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 20px;
  font-family: 'Inter', sans-serif;
  text-transform: uppercase;
}

.benefit-title {
  font-size: clamp(18px, 3vw, 22px);
  font-weight: 400;
  color: #fff;
  margin-bottom: 16px;
  letter-spacing: 0.05em;
  font-optical-sizing: auto;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.benefit-description {
  font-size: clamp(14px, 2.5vw, 15px);
  color: rgba(255, 255, 255, 0.75);
  line-height: 2;
  font-weight: 300;
  letter-spacing: 0.03em;
  font-optical-sizing: auto;
}

/* ========================================
   Comparison Section
   ======================================== */

.comparison-section {
  background: #fff;
}

.comparison-table {
  margin-top: 64px;
  border: 2px solid #1a1a1a;
  overflow-x: auto;
}

.comparison-table-header {
  display: grid;
  grid-template-columns: 1fr 2fr 2fr;
  background: #1a1a1a;
  color: #fff;
}

.comparison-table-col {
  padding: clamp(16px, 3vw, 24px);
  font-size: clamp(16px, 2.8vw, 20px);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-align: center;
  font-optical-sizing: auto;
}

.comparison-table-col:first-child {
  background: #fff;
}

.comparison-col-traditional {
  background: #555;
}

.comparison-col-ai {
  background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 100%);
}

.comparison-table-row {
  display: grid;
  grid-template-columns: 1fr 2fr 2fr;
  border-top: 1px solid #ddd;
}

.comparison-table-label {
  padding: clamp(20px, 4vw, 32px);
  font-size: clamp(15px, 2.5vw, 18px);
  font-weight: 600;
  color: #1a1a1a;
  letter-spacing: 0.05em;
  border-right: 1px solid #ddd;
  display: flex;
  align-items: center;
  background: #fafafa;
  font-optical-sizing: auto;
}

.comparison-table-cell {
  padding: clamp(20px, 4vw, 32px);
  font-size: clamp(14px, 2.3vw, 16px);
  line-height: 1.8;
  font-weight: 300;
  letter-spacing: 0.03em;
  display: flex;
  align-items: center;
  font-optical-sizing: auto;
}

.comparison-cell-traditional {
  color: #666;
  background: #f5f5f5;
  border-right: none;
  font-size: clamp(14px, 2.3vw, 16px);
  padding-left: clamp(20px, 4vw, 32px);
}

.comparison-cell-ai {
  color: #fff;
  background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 100%);
  font-weight: 500;
  font-size: clamp(15px, 2.5vw, 17px);
  border-left: none;
  padding-left: clamp(20px, 4vw, 32px);
}

@media (max-width: 900px) {
  .comparison-table-header,
  .comparison-table-row {
    grid-template-columns: 1fr;
  }

  .comparison-table-col:first-child {
    display: none;
  }

  .comparison-table-label {
    border-right: none;
    border-bottom: 1px solid #ddd;
    background: #1a1a1a;
    color: #fff;
  }

  .comparison-table-cell {
    border-right: none;
    border-bottom: 1px solid #ddd;
  }

  .comparison-cell-traditional::before {
    content: "従来型経営：";
    font-weight: 600;
    display: inline;
    margin-right: 8px;
  }

  .comparison-cell-ai::before {
    content: "AI経営：";
    font-weight: 600;
    display: inline;
    margin-right: 8px;
  }
}

/* ========================================
   Why AI Section
   ======================================== */

.why-ai-section {
  background: #fff;
  text-align: center;
}

.why-ai-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: clamp(24px, 4vw, 32px);
  margin-bottom: 64px;
}

.why-ai-card {
  background: #fff;
  padding: clamp(32px, 5vw, 40px);
  border-radius: 0;
  text-align: left;
  transition: transform 0.3s, box-shadow 0.3s;
  border: 1px solid #1a1a1a;
  position: relative;
}

.why-ai-card:hover {
  transform: translateY(-6px);
  box-shadow: 8px 8px 0 #1a1a1a;
}

.why-ai-number {
  font-size: clamp(10px, 2vw, 11px);
  font-weight: 500;
  letter-spacing: 4px;
  color: #1a1a1a;
  margin-bottom: 20px;
  font-family: 'Inter', sans-serif;
}

.why-ai-title {
  font-size: clamp(20px, 3vw, 26px);
  font-weight: 400;
  margin-bottom: 20px;
  color: #1a1a1a;
  line-height: 1.5;
  padding-bottom: 16px;
  border-bottom: 1px solid #1a1a1a;
  letter-spacing: 0.05em;
  font-optical-sizing: auto;
}

.why-ai-description {
  font-size: clamp(14px, 2vw, 15px);
  color: #666;
  line-height: 2.1;
  margin-bottom: 20px;
  font-weight: 300;
  letter-spacing: 0.05em;
  font-optical-sizing: auto;
}

.why-ai-solution {
  font-size: clamp(14px, 2vw, 15px);
  color: #1a1a1a;
  line-height: 2.1;
  padding: 0;
  background: none;
  border-radius: 0;
  font-weight: 600;
  letter-spacing: 0.05em;
  font-optical-sizing: auto;
}

.why-ai-solution::before {
  content: "⇒ ";
  font-size: 1.3em;
  font-weight: 700;
  margin-right: 8px;
}

.why-ai-cta {
  background: linear-gradient(160deg,
    rgba(10, 10, 10, 0.75) 0%,
    rgba(26, 26, 46, 0.75) 40%,
    rgba(22, 33, 62, 0.75) 70%,
    rgba(15, 52, 96, 0.75) 100%),
    url('https://images.unsplash.com/photo-1451187580459-43490279c0fa?w=1600&q=80');
  background-size: cover;
  background-position: center;
  color: #fff;
  padding: clamp(40px, 6vw, 56px);
  border-radius: 0;
  margin-top: 64px;
  border: 2px solid #1e3a8a;
}

.why-ai-cta-title {
  font-size: clamp(24px, 4vw, 34px);
  font-weight: 300;
  margin-bottom: 20px;
  line-height: 1.5;
  letter-spacing: 0.08em;
  font-optical-sizing: auto;
}

.why-ai-cta-description {
  font-size: clamp(15px, 2vw, 17px);
  line-height: 2.1;
  margin-bottom: 32px;
  color: #fff;
  font-weight: 300;
  letter-spacing: 0.05em;
  font-optical-sizing: auto;
}

.why-ai-cta .btn-primary {
  background: #fff;
  color: #1a1a1a;
  border: 2px solid #fff;
}

.why-ai-cta .btn-primary:hover {
  background: #1a1a1a;
  color: #fff;
  border: 2px solid #fff;
}

/* ========================================
   Why Section
   ======================================== */

.why-section {
  background: #fff;
  text-align: center;
}

.why-image-container {
  max-width: 800px;
  margin: 0 auto 64px;
}

.why-image {
  width: 100%;
  height: auto;
  border-radius: 4px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: clamp(24px, 4vw, 32px);
  text-align: left;
}

.feature-card {
  background: #f8f8f6;
  padding: clamp(28px, 4vw, 32px);
  border-radius: 4px;
  transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.feature-title {
  font-size: clamp(18px, 3vw, 20px);
  font-weight: 500;
  margin-bottom: 16px;
  color: #1a1a1a;
  line-height: 1.5;
  letter-spacing: 0.05em;
  font-optical-sizing: auto;
}

.feature-description {
  font-size: clamp(14px, 2vw, 15px);
  color: #555;
  line-height: 2.1;
  font-weight: 300;
  letter-spacing: 0.05em;
  font-optical-sizing: auto;
}

/* ========================================
   Solutions Section
   ======================================== */

.solutions-section {
  background: linear-gradient(160deg,
    #0a0a0a 0%,
    #1a1a2e 40%,
    #16213e 70%,
    #0f3460 100%);
  color: #fff;
  text-align: center;
}

.solutions-section .section-label {
  color: rgba(255, 255, 255, 0.6);
}

.solutions-section .section-subtitle {
  color: rgba(255, 255, 255, 0.85);
}

.solutions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: clamp(32px, 5vw, 48px);
}

.solution-card {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 4px;
  padding: clamp(24px, 4vw, 32px);
  transition: transform 0.3s, background 0.3s;
  text-align: left;
}

.solution-card:hover {
  transform: translateY(-8px);
  background: rgba(255, 255, 255, 0.08);
}

.solution-number {
  font-size: clamp(10px, 2vw, 11px);
  font-weight: 400;
  letter-spacing: 4px;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 12px;
  font-family: 'Inter', sans-serif;
}

.solution-tag {
  display: inline-block;
  background: rgba(255, 255, 255, 0.15);
  padding: 8px 20px;
  border-radius: 0;
  font-size: clamp(9px, 2vw, 10px);
  font-weight: 500;
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 20px;
  font-family: 'Inter', sans-serif;
}

.solution-image {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 4px;
  margin-bottom: 24px;
}

.solution-title {
  font-size: clamp(22px, 3vw, 26px);
  font-weight: 400;
  margin-bottom: 16px;
  line-height: 1.4;
  letter-spacing: 0.05em;
  font-optical-sizing: auto;
}

.solution-description {
  font-size: clamp(14px, 2vw, 15px);
  color: rgba(255, 255, 255, 0.85);
  line-height: 2.1;
  margin-bottom: 16px;
  font-weight: 300;
  letter-spacing: 0.05em;
  font-optical-sizing: auto;
}

.solution-detail {
  font-size: clamp(12px, 2vw, 13px);
  color: rgba(255, 255, 255, 0.6);
  font-style: italic;
  font-weight: 300;
  letter-spacing: 0.05em;
  font-optical-sizing: auto;
}

/* ========================================
   Model Section (5 Phases)
   ======================================== */

.model-section {
  background: #fafaf8;
  text-align: center;
}

.phases-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: clamp(20px, 3vw, 28px);
}

.phase-card {
  background: #fff;
  padding: clamp(28px, 4vw, 36px) clamp(20px, 3vw, 24px);
  border-radius: 4px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s, box-shadow 0.3s;
  text-align: left;
}

.phase-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.phase-number {
  font-size: clamp(9px, 2vw, 10px);
  font-weight: 500;
  letter-spacing: 4px;
  color: #888;
  text-transform: uppercase;
  margin-bottom: 16px;
  font-family: 'Inter', sans-serif;
}

.phase-title {
  font-size: clamp(19px, 3vw, 22px);
  font-weight: 500;
  margin-bottom: 16px;
  color: #1a1a1a;
  letter-spacing: 0.05em;
  font-optical-sizing: auto;
}

.phase-description {
  font-size: clamp(14px, 2vw, 15px);
  color: #555;
  line-height: 2.1;
  margin-bottom: 16px;
  font-weight: 300;
  letter-spacing: 0.05em;
  font-optical-sizing: auto;
}

.phase-solution {
  font-size: clamp(13px, 2vw, 14px);
  color: #1a1a1a;
  font-weight: 400;
  letter-spacing: 0.05em;
  font-optical-sizing: auto;
}

/* ========================================
   Case Study Section
   ======================================== */

.case-section {
  background: #fff;
}

.case-section .section-title {
  text-align: left;
  margin-bottom: 16px;
}

.case-section .section-description {
  margin-bottom: 48px;
}

.case-content {
  display: flex;
  gap: clamp(40px, 6vw, 80px);
  align-items: center;
}

.case-image-container {
  max-width: 700px;
  margin: 0 auto 56px;
}

.case-image {
  width: 100%;
  height: auto;
  border-radius: 4px;
}

.case-client-wrapper {
  flex: 0 0 45%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.case-client-link {
  display: inline-block;
  margin-bottom: 20px;
  transition: opacity 0.3s;
}

.case-client-link:hover {
  opacity: 0.7;
}

.case-client-logo {
  max-width: 280px;
  height: auto;
  display: block;
}

.case-client {
  width: 100%;
  padding: clamp(32px, 5vw, 48px);
  background: #fafafa;
  border: 1px solid #e0e0e0;
  border-radius: 4px;
  text-align: center;
}

.case-client-name {
  font-size: clamp(18px, 3vw, 22px);
  font-weight: 500;
  color: #1a1a1a;
  margin-bottom: 8px;
  letter-spacing: 0.05em;
  font-optical-sizing: auto;
}

.case-client-info {
  font-size: clamp(12px, 2vw, 13px);
  color: #888;
  margin-bottom: 16px;
  font-weight: 400;
  letter-spacing: 0.05em;
  font-optical-sizing: auto;
}

.case-client-description {
  font-size: clamp(14px, 2.5vw, 15px);
  color: #666;
  line-height: 1.8;
  font-weight: 300;
  letter-spacing: 0.03em;
  font-optical-sizing: auto;
  text-align: left;
}

.case-stats-grid {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  row-gap: clamp(4px, 1vw, 8px);
  column-gap: clamp(32px, 5vw, 48px);
}

.case-stat {
  padding: clamp(24px, 4vw, 32px) 0;
  text-align: left;
}

.case-stat:first-child {
  grid-column: 1 / 2;
  grid-row: 1 / 2;
}

.case-stat:nth-child(2) {
  grid-column: 1 / 2;
  grid-row: 2 / 3;
}

.case-stat:nth-child(3) {
  grid-column: 2 / 3;
  grid-row: 1 / 2;
}

.case-stat-number {
  font-size: clamp(48px, 6vw, 64px);
  font-weight: 300;
  color: #1e3a8a;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
  font-family: 'Inter', sans-serif;
  line-height: 1;
}

.case-stat-detail {
  font-size: clamp(13px, 2vw, 14px);
  color: #888;
  font-weight: 300;
  line-height: 1.9;
  letter-spacing: 0.02em;
  font-optical-sizing: auto;
}

/* ========================================
   Structure Section
   ======================================== */

.structure-section {
  background: linear-gradient(160deg,
    #0a0a0a 0%,
    #1a1a2e 50%,
    #16213e 100%);
  color: #fff;
  text-align: center;
}

.structure-section .section-label {
  color: rgba(255, 255, 255, 0.6);
}

.structure-image-container {
  max-width: 700px;
  margin: 0 auto 56px;
}

.structure-image {
  width: 100%;
  height: auto;
  border-radius: 4px;
}

.pillars-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: clamp(24px, 4vw, 32px);
  text-align: left;
}

.pillar-card {
  background: rgba(255, 255, 255, 0.05);
  padding: clamp(24px, 4vw, 32px);
  border-radius: 4px;
  transition: background 0.3s, transform 0.3s;
}

.pillar-card:hover {
  background: rgba(255, 255, 255, 0.08);
  transform: translateY(-4px);
}

.pillar-title {
  font-size: clamp(18px, 3vw, 20px);
  font-weight: 500;
  margin-bottom: 12px;
  line-height: 1.5;
  letter-spacing: 0.05em;
  font-optical-sizing: auto;
}

.pillar-description {
  font-size: clamp(14px, 2vw, 15px);
  color: rgba(255, 255, 255, 0.85);
  line-height: 2.1;
  font-weight: 300;
  letter-spacing: 0.05em;
  font-optical-sizing: auto;
}

/* ========================================
   Reports Section
   ======================================== */

.reports-section {
  background: #fafaf8;
  text-align: center;
}

.reports-carousel-wrapper {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 60px;
}

.reports-carousel {
  overflow: hidden;
  margin: 48px 0;
}

.reports-track {
  display: flex;
  transition: transform 0.5s ease;
  gap: 32px;
}

.report-card {
  min-width: 280px;
  max-width: 320px;
  background: #fff;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s, box-shadow 0.3s;
  flex-shrink: 0;
}

.report-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.report-thumbnail {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.report-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}

.report-card:hover .report-thumbnail img {
  transform: scale(1.05);
}

.report-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.3) 0%, rgba(0,0,0,0.1) 100%);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 20px;
}

.report-badge {
  background: #FFD700;
  color: #1a1a1a;
  padding: 8px 16px;
  border-radius: 20px;
  font-size: clamp(11px, 2vw, 12px);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-family: 'Inter', sans-serif;
}

.report-content {
  padding: 20px;
  text-align: left;
}

.report-title {
  font-size: 16px;
  font-weight: 500;
  margin-bottom: 10px;
  color: #1a1a1a;
  line-height: 1.4;
  letter-spacing: 0.03em;
  font-optical-sizing: auto;
}

.report-description {
  font-size: 13px;
  color: #666;
  line-height: 1.6;
  margin-bottom: 16px;
  font-weight: 300;
  letter-spacing: 0.03em;
  font-optical-sizing: auto;
}

.report-download-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #1a1a1a;
  color: #fff;
  padding: 12px 24px;
  border: none;
  border-radius: 4px;
  font-size: clamp(13px, 2.5vw, 14px);
  font-weight: 500;
  cursor: pointer;
  transition: background 0.3s, transform 0.2s;
  text-decoration: none;
  font-family: 'Noto Serif JP', serif;
  letter-spacing: 0.05em;
}

.report-download-btn:hover {
  background: #333;
  transform: translateY(-2px);
}

.report-download-btn svg {
  flex-shrink: 0;
}

.report-coming-soon {
  background: #999;
  cursor: not-allowed;
  opacity: 0.6;
}

.report-coming-soon:hover {
  background: #999;
  transform: none;
}

.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: #fff;
  border: 1px solid #ddd;
  border-radius: 50%;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s;
  z-index: 10;
  color: #1a1a1a;
}

.carousel-btn:hover {
  background: #1a1a1a;
  color: #fff;
  border-color: #1a1a1a;
}

.carousel-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.carousel-btn:disabled:hover {
  background: #fff;
  color: #1a1a1a;
  border-color: #ddd;
}

.carousel-prev {
  left: 0;
}

.carousel-next {
  right: 0;
}

.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 32px;
}

.carousel-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #ddd;
  border: none;
  cursor: pointer;
  transition: background 0.3s, transform 0.3s;
  padding: 0;
}

.carousel-dot:hover {
  background: #999;
  transform: scale(1.2);
}

.carousel-dot.active {
  background: #1a1a1a;
  transform: scale(1.3);
}

@media (max-width: 768px) {
  .reports-carousel-wrapper {
    padding: 0 50px;
  }

  .report-card {
    min-width: 260px;
    max-width: 100%;
  }

  .carousel-btn {
    width: 40px;
    height: 40px;
  }
}

/* ========================================
   Events Section
   ======================================== */

.events-section {
  background: #fff;
  text-align: center;
}

.events-carousel-wrapper {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 60px;
}

.events-carousel {
  overflow: hidden;
  margin: 48px 0;
}

.events-track {
  display: flex;
  transition: transform 0.5s ease;
  gap: 32px;
}

.event-card {
  min-width: 280px;
  max-width: 320px;
  background: #fff;
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  overflow: hidden;
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
  flex-shrink: 0;
}

.event-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
  border-color: #1a1a1a;
}

.event-thumbnail {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #1a1a2e;
}

.event-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}

.event-card:hover .event-thumbnail img {
  transform: scale(1.05);
}

.event-thumbnail-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.5) 0%, rgba(0,0,0,0.3) 100%);
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 16px;
}

.event-date {
  color: #fff;
  text-align: left;
}

.event-month {
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.05em;
  opacity: 0.9;
  margin-bottom: 4px;
  font-family: 'Inter', sans-serif;
  text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.event-day {
  font-size: 32px;
  font-weight: 300;
  line-height: 1;
  font-family: 'Inter', sans-serif;
  text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.event-status {
  padding: 6px 12px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.05em;
  font-family: 'Inter', sans-serif;
}

.event-upcoming {
  background: #2ecc71;
  color: #fff;
}

.event-coming {
  background: rgba(255, 255, 255, 0.3);
  color: #fff;
  backdrop-filter: blur(4px);
}

.event-content {
  padding: 20px;
  text-align: left;
}

.event-title {
  font-size: 16px;
  font-weight: 500;
  margin-bottom: 12px;
  color: #1a1a1a;
  line-height: 1.4;
  letter-spacing: 0.03em;
  font-optical-sizing: auto;
}

.event-meta {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 12px;
}

.event-meta-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: #666;
  font-weight: 400;
  letter-spacing: 0.03em;
}

.event-meta-item svg {
  flex-shrink: 0;
  opacity: 0.7;
}

.event-description {
  font-size: 13px;
  color: #666;
  line-height: 1.6;
  margin-bottom: 16px;
  font-weight: 300;
  letter-spacing: 0.03em;
  font-optical-sizing: auto;
}

.event-register-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  background: #1a1a1a;
  color: #fff;
  padding: 12px 20px;
  border: none;
  border-radius: 4px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.3s, transform 0.2s;
  text-decoration: none;
  font-family: 'Noto Serif JP', serif;
  letter-spacing: 0.05em;
}

.event-register-btn:hover {
  background: #333;
  transform: translateY(-2px);
}

.event-register-btn svg {
  flex-shrink: 0;
}

.event-coming-soon {
  background: #999;
  cursor: not-allowed;
  opacity: 0.6;
}

.event-coming-soon:hover {
  background: #999;
  transform: none;
}

@media (max-width: 768px) {
  .events-carousel-wrapper {
    padding: 0 50px;
  }

  .event-card {
    min-width: 260px;
    max-width: 100%;
  }
}

/* ========================================
   Assessment Section
   ======================================== */

.assessment-section {
  background: linear-gradient(160deg,
    #0a0a0a 0%,
    #1a1a2e 40%,
    #16213e 70%,
    #0f3460 100%);
  color: #fff;
  text-align: center;
}

.assessment-section .section-label {
  color: rgba(255, 255, 255, 0.6);
}

.assessment-section .section-title {
  color: #fff;
}

.assessment-section .section-subtitle {
  color: #fff;
}

.assessment-section .section-description {
  color: rgba(255, 255, 255, 0.85);
}

.assessment-form {
  max-width: 640px;
  margin: 0 auto;
  background: #fff;
  padding: clamp(32px, 5vw, 48px);
  border-radius: 4px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
  color: #1a1a1a;
}

.assessment-form:has(#results:not(.hidden)) {
  max-width: 95%;
  width: 95%;
  background: transparent;
  padding: 0;
  box-shadow: none;
}

#results {
  max-width: 95%;
  width: 95%;
  margin: 0 auto;
  background: transparent !important;
  padding: 0 !important;
  box-shadow: none !important;
}

.results-content {
  width: 100%;
}

.form-step {
  animation: fadeIn 0.4s ease;
}

.form-step.hidden {
  display: none;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.form-title {
  font-size: clamp(20px, 3vw, 24px);
  font-weight: 400;
  margin-bottom: 32px;
  text-align: left;
  letter-spacing: 0.05em;
  font-optical-sizing: auto;
  color: #1a1a1a;
}

.form-group {
  margin-bottom: 24px;
  text-align: left;
}

.form-group label {
  display: block;
  font-size: clamp(13px, 2vw, 14px);
  font-weight: 500;
  margin-bottom: 8px;
  color: #1a1a1a;
  letter-spacing: 0.05em;
  font-optical-sizing: auto;
}

.required {
  color: #e74c3c;
}

.form-group input[type="text"],
.form-group input[type="email"] {
  width: 100%;
  padding: 14px 18px;
  font-size: clamp(14px, 2vw, 15px);
  font-family: 'Noto Serif JP', serif;
  border: 1px solid #ddd;
  border-radius: 0;
  transition: border-color 0.3s;
  font-weight: 300;
  font-optical-sizing: auto;
}

.assessment-input-wrapper {
  position: relative;
}

.assessment-suggestions {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: #fff;
  border: 1px solid #ddd;
  border-top: none;
  max-height: 300px;
  overflow-y: auto;
  z-index: 100;
  display: none;
}

.assessment-suggestions.active {
  display: block;
}

.assessment-suggestions .suggestion-item {
  padding: 12px 18px;
  color: #1a1a1a;
  font-size: clamp(14px, 2vw, 15px);
  cursor: pointer;
  transition: background 0.2s;
  border-bottom: 1px solid #f0f0f0;
  text-align: left;
}

.assessment-suggestions .suggestion-item:hover,
.assessment-suggestions .suggestion-item.selected {
  background: #f8f8f6;
}

.assessment-suggestions .suggestion-item:last-child {
  border-bottom: none;
}

.form-group input:focus {
  outline: none;
  border-color: #1a1a1a;
}

.form-group input::placeholder {
  color: #aaa;
}

.checkbox-group label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 400;
  cursor: pointer;
}

.checkbox-group input[type="checkbox"] {
  width: 18px;
  height: 18px;
  cursor: pointer;
}

.privacy-note {
  font-size: clamp(12px, 2vw, 13px);
  color: #666;
  margin-bottom: 24px;
  line-height: 2;
  font-weight: 300;
  letter-spacing: 0.05em;
  font-optical-sizing: auto;
}

.progress-bar {
  width: 100%;
  height: 6px;
  background: #e0e0e0;
  border-radius: 3px;
  margin-bottom: 24px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: #1a1a1a;
  transition: width 0.3s ease;
}

.question-number {
  font-size: clamp(11px, 2vw, 12px);
  font-weight: 500;
  color: #888;
  margin-bottom: 16px;
  text-align: left;
  letter-spacing: 2px;
  font-family: 'Inter', sans-serif;
}

.question-text {
  font-size: clamp(18px, 3vw, 22px);
  font-weight: 400;
  margin-bottom: 32px;
  text-align: left;
  line-height: 1.6;
  letter-spacing: 0.05em;
  font-optical-sizing: auto;
  color: #1a1a1a;
}

.options-grid {
  display: grid;
  gap: 12px;
}

.option-btn {
  width: 100%;
  padding: 18px 24px;
  font-size: clamp(14px, 2vw, 15px);
  font-family: 'Noto Serif JP', serif;
  font-weight: 400;
  background: #f8f8f6;
  border: 1px solid transparent;
  border-radius: 0;
  cursor: pointer;
  transition: all 0.3s;
  text-align: left;
  letter-spacing: 0.05em;
  font-optical-sizing: auto;
}

.option-btn:hover {
  background: #fff;
  border-color: #1a1a1a;
  transform: translateX(2px);
}

.btn-primary {
  display: inline-block;
  background: #1a1a1a;
  color: #fff;
  font-size: clamp(14px, 2vw, 15px);
  font-weight: 400;
  padding: clamp(16px, 2vw, 18px) clamp(40px, 5vw, 56px);
  border: none;
  border-radius: 0;
  cursor: pointer;
  transition: all 0.3s;
  text-decoration: none;
  font-family: 'Noto Serif JP', serif;
  letter-spacing: 0.1em;
  font-optical-sizing: auto;
}

.btn-primary:hover {
  background: #333;
  transform: translateY(-2px);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
}

#results .btn-primary {
  color: #fff !important;
  background: #1a1a1a !important;
  display: block;
  margin: 0 auto;
  margin-top: 32px;
}

.results-title {
  font-size: clamp(26px, 4vw, 34px);
  font-weight: 300;
  margin-bottom: 40px;
  color: #fff !important;
  letter-spacing: 0.08em;
  font-optical-sizing: auto;
  text-align: center;
}

.score-display {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 8px;
  margin-bottom: 40px;
}

.score-label {
  font-size: clamp(13px, 2vw, 14px);
  color: #fff !important;
  font-weight: 400;
  letter-spacing: 0.05em;
}

.score-value {
  font-size: clamp(72px, 10vw, 108px);
  font-weight: 300;
  color: #fff !important;
  letter-spacing: 0.02em;
  font-family: 'Inter', sans-serif;
}

.score-max {
  font-size: clamp(18px, 3vw, 20px);
  color: #fff !important;
  font-weight: 300;
  font-family: 'Inter', sans-serif;
}

/* Level Map */
.level-map {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(12px, 2vw, 20px);
  margin-bottom: 40px;
}

.level-map-item {
  background: rgba(255, 255, 255, 0.1);
  padding: clamp(16px, 2.5vw, 20px);
  border-radius: 4px;
  text-align: center;
  border: 2px solid transparent;
  transition: all 0.3s ease;
}

.level-map-item.current {
  background: rgba(255, 255, 255, 0.2);
  border-color: #FFD700;
  box-shadow: 0 0 20px rgba(255, 215, 0, 0.3);
}

.level-map-badge {
  font-size: clamp(9px, 1.5vw, 10px);
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 8px;
}

.level-map-item.current .level-map-badge {
  color: #FFD700;
}

.level-map-name {
  font-size: clamp(13px, 2vw, 16px);
  font-weight: 500;
  color: #fff;
  margin-bottom: 4px;
  letter-spacing: 0.03em;
}

.level-map-range {
  font-size: clamp(11px, 1.5vw, 13px);
  color: rgba(255, 255, 255, 0.6);
  font-weight: 300;
}

.level-map-item.current .level-map-range {
  color: rgba(255, 215, 0, 0.9);
}

@media (max-width: 768px) {
  .level-map {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
}

.maturity-level {
  background: #f8f8f6;
  padding: clamp(28px, 4vw, 36px);
  border-radius: 4px;
  margin-bottom: 32px;
  text-align: center;
  width: 100%;
}

.level-badge {
  display: inline-block;
  padding: 10px 28px;
  border-radius: 0;
  font-size: clamp(10px, 2vw, 11px);
  font-weight: 500;
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 16px;
  font-family: 'Inter', sans-serif;
  color: #fff !important;
}

.level-name {
  font-size: clamp(20px, 3vw, 24px);
  font-weight: 400;
  margin-bottom: 12px;
  color: #1a1a1a !important;
  letter-spacing: 0.05em;
  font-optical-sizing: auto;
}

.level-description {
  font-size: clamp(14px, 2vw, 15px);
  color: #555 !important;
  line-height: 2.1;
  font-weight: 300;
  letter-spacing: 0.05em;
  font-optical-sizing: auto;
}

/* Roadmap Section */
.roadmap-section {
  background: #fff;
  padding: clamp(28px, 4vw, 36px);
  border: 2px solid #1e3a8a;
  border-radius: 4px;
  margin-bottom: 32px;
  text-align: left;
  color: #1a1a1a !important;
  width: 100%;
}

.roadmap-title {
  color: #1e3a8a !important;
}

.roadmap-title {
  font-size: clamp(18px, 3vw, 22px);
  font-weight: 500;
  margin-bottom: 20px;
  color: #1e3a8a;
  letter-spacing: 0.05em;
  font-optical-sizing: auto;
  text-align: center;
}

.roadmap-steps {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.roadmap-step {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.roadmap-step-number {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  background: #1e3a8a;
  color: #fff !important;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 600;
  font-family: 'Inter', sans-serif;
}

.roadmap-step-content {
  flex: 1;
}

.roadmap-step-title {
  font-size: clamp(15px, 2.5vw, 16px);
  font-weight: 500;
  color: #1a1a1a !important;
  margin-bottom: 4px;
  letter-spacing: 0.03em;
}

.roadmap-step-description {
  font-size: clamp(13px, 2vw, 14px);
  color: #666 !important;
  line-height: 1.8;
  font-weight: 300;
  letter-spacing: 0.03em;
}

/* Maturity Level Colors */
.level-1 .level-badge {
  background: #e74c3c;
  color: #fff;
}

.level-2 .level-badge {
  background: #e67e22;
  color: #fff;
}

.level-3 .level-badge {
  background: #f1c40f;
  color: #1a1a1a;
}

.level-4 .level-badge {
  background: #2ecc71;
  color: #fff;
}

/* ========================================
   Contact Section
   ======================================== */

.contact-section {
  background: #fff;
  text-align: center;
  padding: clamp(40px, 6vw, 56px) 0 clamp(64px, 10vw, 96px) 0;
}

.contact-logo {
  display: flex;
  justify-content: center;
  margin-bottom: clamp(24px, 3vw, 32px);
}

.contact-logo-image {
  height: clamp(150px, 18vw, 220px);
  width: auto;
  display: block;
}

.contact-title {
  font-size: clamp(26px, 4vw, 38px);
  font-weight: 300;
  margin-bottom: 24px;
  color: #1a1a1a;
  letter-spacing: 0.08em;
  font-optical-sizing: auto;
}

.contact-email {
  display: inline-block;
  font-size: clamp(18px, 3vw, 24px);
  font-weight: 400;
  color: #1a1a1a;
  text-decoration: none;
  padding: 18px 40px;
  border: 1px solid #1a1a1a;
  border-radius: 0;
  transition: all 0.3s;
  font-family: 'Inter', serif;
  letter-spacing: 0.08em;
  font-optical-sizing: auto;
}

.contact-email:hover {
  background: #1a1a1a;
  color: #fff;
}

/* ========================================
   Footer
   ======================================== */

.footer {
  background: #0a0a0a;
  color: rgba(255, 255, 255, 0.75);
  text-align: center;
  padding: clamp(32px, 5vw, 48px) 0;
}

.footer-text {
  font-size: clamp(13px, 2vw, 14px);
  margin: 8px 0;
  font-weight: 300;
  letter-spacing: 0.05em;
  font-optical-sizing: auto;
}

.footer-link {
  color: rgba(255, 255, 255, 0.9);
  text-decoration: underline;
  transition: color 0.3s;
}

.footer-link:hover {
  color: #fff;
}

/* Privacy Modal */
.privacy-modal {
  display: none;
  position: fixed;
  z-index: 2000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgba(0, 0, 0, 0.7);
}

.privacy-modal.active {
  display: block;
}

.privacy-modal-content {
  background-color: #fff;
  margin: 5% auto;
  padding: clamp(32px, 5vw, 48px);
  border: 1px solid #888;
  max-width: 800px;
  position: relative;
  border-radius: 4px;
  max-height: 80vh;
  overflow-y: auto;
}

.privacy-modal-close {
  color: #aaa;
  float: right;
  font-size: 32px;
  font-weight: 300;
  line-height: 1;
  cursor: pointer;
  transition: color 0.3s;
}

.privacy-modal-close:hover,
.privacy-modal-close:focus {
  color: #000;
}

.privacy-modal-title {
  font-size: clamp(22px, 4vw, 28px);
  font-weight: 400;
  margin-bottom: 24px;
  color: #1a1a1a;
  letter-spacing: 0.05em;
  font-optical-sizing: auto;
  clear: both;
  padding-top: 8px;
}

.privacy-modal-body h4 {
  font-size: clamp(16px, 3vw, 18px);
  font-weight: 500;
  margin-top: 24px;
  margin-bottom: 12px;
  color: #1a1a1a;
  letter-spacing: 0.05em;
  font-optical-sizing: auto;
}

.privacy-modal-body h4:first-child {
  margin-top: 0;
}

.privacy-modal-body p {
  font-size: clamp(14px, 2.5vw, 15px);
  color: #555;
  line-height: 2;
  margin-bottom: 16px;
  font-weight: 300;
  letter-spacing: 0.03em;
  font-optical-sizing: auto;
}

.privacy-modal-body ul {
  margin: 16px 0;
  padding-left: 0;
  list-style-type: none;
}

.privacy-modal-body li {
  font-size: clamp(14px, 2.5vw, 15px);
  color: #555;
  line-height: 2;
  margin-bottom: 8px;
  font-weight: 300;
  letter-spacing: 0.03em;
  font-optical-sizing: auto;
}

.company-info {
  background: #f8f8f6;
  padding: 20px;
  border-left: 3px solid #1a1a1a;
  margin-top: 24px;
}

.company-info a {
  color: #1a1a1a;
  text-decoration: underline;
}

/* ========================================
   Utility Classes
   ======================================== */

.hidden {
  display: none !important;
}

/* ========================================
   Animations & Transitions
   ======================================== */

.fade-in {
  animation: fadeIn 0.7s ease forwards;
}

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

/* ========================================
   Event Registration Modal
   ======================================== */

.modal {
  display: none;
  position: fixed;
  z-index: 2000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgba(0, 0, 0, 0.7);
}

.modal.active {
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-content {
  background-color: #fff;
  margin: 20px;
  padding: clamp(32px, 5vw, 48px);
  border-radius: 8px;
  max-width: 600px;
  width: 100%;
  position: relative;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-close {
  position: absolute;
  right: 20px;
  top: 20px;
  color: #aaa;
  font-size: 32px;
  font-weight: 300;
  line-height: 1;
  cursor: pointer;
  background: none;
  border: none;
  transition: color 0.3s;
}

.modal-close:hover,
.modal-close:focus {
  color: #000;
}

.modal-title {
  font-size: clamp(20px, 4vw, 26px);
  font-weight: 400;
  margin-bottom: 12px;
  color: #1a1a1a;
  letter-spacing: 0.05em;
  font-optical-sizing: auto;
}

.modal-event-name {
  font-size: clamp(15px, 3vw, 17px);
  font-weight: 500;
  color: #1e3a8a;
  margin-bottom: 32px;
  letter-spacing: 0.03em;
  text-align: left;
}

#eventRegistrationForm .form-group {
  margin-bottom: 24px;
  text-align: left;
}

#eventRegistrationForm label {
  display: block;
  font-size: clamp(14px, 2.5vw, 15px);
  font-weight: 500;
  margin-bottom: 8px;
  color: #1a1a1a;
  letter-spacing: 0.03em;
}

#eventRegistrationForm input[type="text"],
#eventRegistrationForm input[type="email"],
#eventRegistrationForm input[type="tel"],
#eventRegistrationForm textarea {
  width: 100%;
  padding: 12px 16px;
  font-size: clamp(14px, 2.5vw, 15px);
  border: 1px solid #ddd;
  border-radius: 4px;
  font-family: 'Noto Serif JP', 'Inter', Georgia, serif;
  transition: border-color 0.3s;
}

#eventRegistrationForm input:focus,
#eventRegistrationForm textarea:focus {
  outline: none;
  border-color: #1e3a8a;
}

#eventRegistrationForm textarea {
  resize: vertical;
}

#eventRegistrationForm .submit-btn {
  width: 100%;
  padding: 16px 32px;
  background: #1e3a8a;
  color: #fff;
  border: none;
  border-radius: 4px;
  font-size: clamp(15px, 2.5vw, 16px);
  font-weight: 500;
  cursor: pointer;
  transition: background 0.3s, transform 0.3s;
  letter-spacing: 0.05em;
  margin-top: 8px;
}

#eventRegistrationForm .submit-btn:hover {
  background: #1e40af;
  transform: translateY(-2px);
}

/* ========================================
   Responsive Adjustments
   ======================================== */

@media (max-width: 768px) {
  .stats-grid,
  .features-grid,
  .solutions-grid,
  .phases-container,
  .pillars-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: 500px;
  }

  .section {
    padding: 60px 0;
  }

  .case-content {
    flex-direction: column;
    gap: 32px;
  }

  .case-client-wrapper {
    flex: 1;
    width: 100%;
  }

  .case-stats-grid {
    grid-template-columns: 1fr;
  }

  .case-stat:first-child,
  .case-stat:nth-child(2),
  .case-stat:nth-child(3) {
    grid-column: 1;
    grid-row: auto;
  }
}

@media (min-width: 1400px) {
  .container {
    max-width: 1400px;
  }
}