/* ============================================
   アーバン・ランクルー現況報告 — Urban Energy Design
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800;900&family=Noto+Sans+JP:wght@300;400;500;600;700;800;900&display=swap');

:root {
  /* Colors */
  --primary-orange: #ff6b35;
  --primary-orange-light: #ff8a5c;
  --primary-orange-dark: #e55a2b;
  --secondary-blue: #2c3e50;
  --secondary-blue-light: #34495e;
  --accent-green: #27ae60;
  --accent-yellow: #f1c40f;
  --accent-purple: #8e44ad;
  
  --white: #ffffff;
  --light-gray: #f8f9fa;
  --medium-gray: #6c757d;
  --dark-gray: #343a40;
  --black: #1a1a1a;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #ff6b35 0%, #f1c40f 100%);
  --gradient-secondary: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
  --gradient-hero: linear-gradient(135deg, rgba(255, 107, 53, 0.9) 0%, rgba(241, 196, 15, 0.8) 100%);
  --gradient-card: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
  
  /* Typography */
  --font-primary: 'Poppins', 'Noto Sans JP', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'Poppins', 'Noto Sans JP', sans-serif;
  
  /* Spacing & Layout */
  --container-max: 1200px;
  --container-padding: 2rem;
  --header-height: 80px;
  --section-spacing: 6rem;
  
  /* Border Radius */
  --radius-small: 6px;
  --radius-medium: 12px;
  --radius-large: 20px;
  --radius-xl: 28px;
  
  /* Shadows */
  --shadow-light: 0 2px 10px rgba(0, 0, 0, 0.1);
  --shadow-medium: 0 8px 25px rgba(0, 0, 0, 0.15);
  --shadow-heavy: 0 15px 35px rgba(0, 0, 0, 0.2);
  --shadow-colored: 0 10px 30px rgba(255, 107, 53, 0.3);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  background-color: var(--white);
  color: var(--black);
  line-height: 1.7;
  overflow-x: hidden;
}

/* ---- Progress Indicator ---- */
.progress-indicator {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 4px;
  background: var(--gradient-primary);
  z-index: 9999;
  transition: width 0.1s ease;
}

/* ---- Typography ---- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 1rem;
  color: var(--black);
}

h1 { font-size: clamp(2.5rem, 5vw, 3.5rem); }
h2 { font-size: clamp(2rem, 4vw, 2.8rem); }
h3 { font-size: clamp(1.4rem, 3vw, 1.8rem); }
h4 { font-size: 1.3rem; }
h5 { font-size: 1.1rem; }
h6 { font-size: 1rem; }

p {
  margin-bottom: 1.2rem;
  color: var(--dark-gray);
  font-weight: 400;
}

a {
  color: var(--primary-orange);
  text-decoration: none;
  transition: var(--transition-fast);
}

a:hover {
  color: var(--primary-orange-dark);
}

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

@media (max-width: 768px) {
  .container {
    padding: 0 1rem;
  }
}

/* ---- Header ---- */
.main-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 107, 53, 0.1);
  z-index: 1000;
  height: var(--header-height);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.brand h1 {
  font-size: 1.4rem;
  font-weight: 800;
  margin: 0;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.brand a {
  text-decoration: none;
}

.brand-subtitle {
  font-size: 0.8rem;
  color: var(--medium-gray);
  display: block;
  margin-top: -4px;
  font-weight: 500;
}

.primary-nav {
  display: flex;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 0.5rem;
  flex-wrap: wrap;
  justify-content: center;
  max-width: 800px;
}

.nav-links a {
  padding: 0.6rem 1rem;
  border-radius: var(--radius-medium);
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--dark-gray);
  transition: var(--transition-normal);
  white-space: nowrap;
}

.nav-links a:hover {
  background: var(--gradient-primary);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-colored);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  gap: 4px;
}

.menu-line {
  width: 24px;
  height: 3px;
  background: var(--primary-orange);
  transition: var(--transition-fast);
  border-radius: 2px;
}

@media (max-width: 1024px) {
  .primary-nav {
    display: none;
  }
  
  .menu-toggle {
    display: flex;
  }
}

/* ---- Hero Section ---- */
.hero-section {
  position: relative;
  height: 100vh;
  min-height: 700px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-media {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
}

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

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

.hero-content {
  position: relative;
  z-index: 1;
  color: var(--white);
  max-width: 700px;
}

.hero-badge {
  display: inline-block;
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  padding: 0.5rem 1.2rem;
  border-radius: var(--radius-xl);
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.hero-title {
  margin-bottom: 1.5rem;
}

.title-main {
  display: block;
  font-size: clamp(3rem, 7vw, 5rem);
  font-weight: 900;
  line-height: 0.9;
  text-shadow: 2px 4px 8px rgba(0, 0, 0, 0.3);
}

.title-sub {
  display: block;
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 600;
  margin-top: 0.5rem;
  opacity: 0.9;
}

.hero-description {
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  margin-bottom: 3rem;
  line-height: 1.6;
  text-shadow: 1px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-metrics {
  display: flex;
  gap: 3rem;
  margin-top: 2rem;
}

.metric {
  text-align: center;
}

.metric-value {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 900;
  line-height: 1;
  display: block;
}

.metric-label {
  font-size: 0.9rem;
  opacity: 0.9;
  margin-top: 0.5rem;
  font-weight: 500;
}

@media (max-width: 768px) {
  .hero-metrics {
    gap: 2rem;
    margin-top: 2rem;
  }
  
  .hero-content {
    max-width: 100%;
  }
}

/* ---- Sections ---- */
section {
  padding: var(--section-spacing) 0;
}

.section-intro {
  text-align: center;
  margin-bottom: 4rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.section-intro h2 {
  position: relative;
  margin-bottom: 1.5rem;
}

.section-intro h2::after {
  content: '';
  width: 60px;
  height: 4px;
  background: var(--gradient-primary);
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  border-radius: 2px;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--medium-gray);
  margin: 0;
  font-weight: 500;
}

/* ---- Overview Section ---- */
.overview-section {
  background: var(--light-gray);
}

.overview-content {
  max-width: 800px;
  margin: 0 auto;
}

.overview-text h3 {
  color: var(--primary-orange);
  font-size: 1.4rem;
  margin: 2rem 0 1rem 0;
}

.overview-text p {
  font-size: 1.1rem;
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

/* ---- News Section ---- */
.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.news-card {
  background: var(--white);
  border-radius: var(--radius-large);
  padding: 2rem;
  box-shadow: var(--shadow-light);
  transition: var(--transition-normal);
  border: 1px solid rgba(255, 107, 53, 0.1);
}

.news-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-medium);
}

.news-card.featured {
  background: var(--gradient-primary);
  color: var(--white);
  grid-column: 1 / -1;
}

.news-card.featured h3,
.news-card.featured p {
  color: var(--white);
}

.news-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  font-size: 0.85rem;
}

.news-category {
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius-small);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.news-category.tech { background: var(--accent-green); color: var(--white); }
.news-category.brand { background: var(--accent-purple); color: var(--white); }
.news-category.platform { background: var(--secondary-blue); color: var(--white); }
.news-category.product { background: var(--accent-yellow); color: var(--black); }
.news-category.social { background: var(--primary-orange-light); color: var(--white); }

.news-date {
  color: var(--medium-gray);
  font-weight: 500;
}

.news-card.featured .news-date {
  color: rgba(255, 255, 255, 0.8);
}

.news-card h3 {
  font-size: 1.1rem;
  line-height: 1.4;
  margin-bottom: 1rem;
}

.news-card p {
  font-size: 0.95rem;
  line-height: 1.6;
  margin: 0;
}

/* ---- Features Section ---- */
.features-section {
  background: var(--light-gray);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2.5rem;
}

.feature-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  text-align: center;
  box-shadow: var(--shadow-light);
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: var(--gradient-primary);
}

.feature-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-heavy);
}

.feature-icon {
  width: 70px;
  height: 70px;
  margin: 0 auto 1.5rem auto;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
}

.feature-icon svg {
  width: 35px;
  height: 35px;
}

.feature-card h3 {
  margin-bottom: 1rem;
  color: var(--secondary-blue);
}

.feature-card p {
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
  line-height: 1.6;
}

.feature-link {
  font-weight: 600;
  color: var(--primary-orange);
  font-size: 0.95rem;
  transition: var(--transition-fast);
}

.feature-link:hover {
  color: var(--primary-orange-dark);
}

/* ---- Stats Section ---- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.stat-box {
  background: var(--white);
  border-radius: var(--radius-large);
  padding: 2rem;
  text-align: center;
  box-shadow: var(--shadow-light);
  border: 1px solid rgba(255, 107, 53, 0.1);
  transition: var(--transition-normal);
}

.stat-box:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-medium);
}

.stat-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  display: block;
}

.stat-number {
  font-size: 2.2rem;
  font-weight: 900;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 0.5rem;
  display: block;
}

.stat-label {
  font-size: 0.95rem;
  color: var(--dark-gray);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.stat-change {
  font-size: 0.8rem;
  color: var(--accent-green);
  font-weight: 600;
}

/* ---- Footer ---- */
.main-footer {
  background: var(--secondary-blue);
  color: var(--white);
  padding: 3rem 0 2rem 0;
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 3rem;
  margin-bottom: 2rem;
}

.footer-brand h3 {
  color: var(--white);
  margin-bottom: 1rem;
  font-size: 1.3rem;
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.6;
  max-width: 400px;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.link-section h4 {
  color: var(--white);
  margin-bottom: 1rem;
  font-size: 1rem;
  font-weight: 600;
}

.link-section ul {
  list-style: none;
}

.link-section li {
  margin-bottom: 0.5rem;
}

.link-section a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
  transition: var(--transition-fast);
}

.link-section a:hover {
  color: var(--primary-orange-light);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 2rem;
  text-align: center;
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
  margin: 0;
}

/* ---- Responsive Design ---- */
@media (max-width: 768px) {
  :root {
    --section-spacing: 4rem;
    --container-padding: 1rem;
  }
  
  .hero-metrics {
    flex-direction: column;
    gap: 1.5rem;
    align-items: center;
  }
  
  .news-grid {
    grid-template-columns: 1fr;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .footer-links {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-links {
    grid-template-columns: 1fr;
  }
  
  .hero-metrics {
    gap: 1rem;
  }
}

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

.animate-fade-up {
  animation: fadeInUp 0.6s ease forwards;
}

/* ---- Utilities ---- */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}
/* ===== Partner Page Styles ===== */
.partner-page-hero{padding-top:5rem;padding-bottom:4rem;background:linear-gradient(135deg,rgba(30,64,175,0.94) 0%,rgba(14,165,233,0.9) 100%);color:#fff;position:relative;overflow:hidden}
.partner-page-hero::before{content:'';position:absolute;inset:0;background:radial-gradient(circle at top right,rgba(255,255,255,0.18),transparent 35%),radial-gradient(circle at bottom left,rgba(255,255,255,0.12),transparent 40%)}
.partner-page-hero .container,.partner-page-content .container{position:relative;z-index:1}
.partner-page-eyebrow{display:inline-block;margin-bottom:1rem;padding:.35rem .8rem;border-radius:999px;background:rgba(255,255,255,0.16);font-size:.875rem;font-weight:700;color:#fff}
.partner-page-title{font-size:clamp(1.75rem,5vw,3rem);line-height:1.15;margin-bottom:1.25rem;color:#fff}
.partner-page-lead{max-width:820px;font-size:1.125rem;color:rgba(255,255,255,0.92);line-height:1.7}
.partner-page-content{padding:4rem 0 5rem}
.partner-page-grid{display:grid;gap:2rem}
.partner-content-block{background:#fff;border:1px solid rgba(148,163,184,0.25);border-radius:1rem;padding:2rem;box-shadow:0 4px 6px -1px rgba(0,0,0,0.07)}
.partner-content-block h2{font-size:1.4rem;margin-bottom:1rem;color:#111827}
.partner-content-block h3{font-size:1.15rem;margin:1.5rem 0 .75rem;color:#1f2937}
.partner-content-block p{line-height:1.7;color:#374151}
.partner-content-block ul,.partner-content-block ol{padding-left:1.4rem;margin-top:.75rem;color:#374151}
.partner-content-block li{margin-bottom:.4rem;line-height:1.6}
.partner-highlight-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;margin-top:1.5rem}
.partner-highlight-card{background:#f9fafb;border:1px solid #e5e7eb;border-radius:.75rem;padding:1.25rem}
.partner-highlight-card h3{margin-top:0;font-size:1.1rem;color:#1e3a8a}
.partner-cta-box{background:linear-gradient(135deg,#1e40af 0%,#0ea5e9 100%) !important;color:#fff !important}
.partner-cta-box h2{color:#fff !important}
.partner-cta-box p,.partner-cta-box li,.partner-note{color:rgba(255,255,255,0.9)}
.partner-cta-actions{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:1.5rem}
.partner-cta-actions .btn{display:inline-flex;align-items:center;padding:.7rem 1.4rem;border-radius:.5rem;font-weight:600;text-decoration:none;transition:all .2s;font-size:.95rem}
.partner-cta-actions .btn-primary{background:#fff;color:#1e40af;border:2px solid transparent}
.partner-cta-actions .btn-primary:hover{background:#eff6ff}
.partner-cta-actions .btn-secondary{background:rgba(255,255,255,0.15);color:#fff;border:1.5px solid rgba(255,255,255,0.35)}
.partner-cta-actions .btn-secondary:hover{background:rgba(255,255,255,0.25)}
.partner-note{margin-top:1rem;font-size:.875rem}
nav.breadcrumb{padding:.6rem 0;background:#f8fafc;border-bottom:1px solid #e2e8f0}
nav.breadcrumb .container{max-width:1200px;margin:0 auto;padding:0 1rem}
.breadcrumb-list{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:.25rem;align-items:center}
.breadcrumb-item{display:flex;align-items:center;font-size:.85rem;color:#64748b}
.breadcrumb-item:not(:last-child)::after{content:'›';margin:0 .5rem;color:#94a3b8}
.breadcrumb-item a{color:#3b82f6;text-decoration:none}
.breadcrumb-item a:hover{text-decoration:underline}
.breadcrumb-item.active{color:#1e293b;font-weight:500}
.glossary-link{color:#3b82f6;text-decoration:underline}
@media(max-width:640px){.partner-content-block{padding:1.25rem}.partner-page-hero{padding-top:3.5rem;padding-bottom:2.5rem}}