/* ===========================
   CSS Variables & Reset
=========================== */
:root {
  --primary: #1e2e7a;
  --primary-light: #2a3fa0;
  --primary-dark: #111d5e;
  --accent: #f47820;
  --accent-light: #ff9a45;
  --accent-dark: #d05e0a;
  --text-dark: #1a1a2e;
  --text-mid: #4a4a5a;
  --text-light: #8a8a9a;
  --bg-light: #f7f8fc;
  --bg-white: #ffffff;
  --success: #2ecc71;
  --danger: #e74c3c;
  --warn: #f39c12;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
  --shadow-md: 0 8px 24px rgba(0,0,0,0.12);
  --shadow-lg: 0 16px 48px rgba(0,0,0,0.16);
  --radius: 12px;
  --radius-lg: 20px;
  --radius-xl: 32px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: 'Noto Sans JP', sans-serif;
  color: var(--text-dark);
  background: var(--bg-white);
  line-height: 1.7;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

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

.section {
  padding: 100px 0;
}

.section-light { background: var(--bg-light); }
.section-dark { background: var(--primary-dark); }

/* ===========================
   Section Headers
=========================== */
.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 12px;
  padding: 4px 16px;
  border: 1px solid var(--accent);
  border-radius: 999px;
}

.section-title {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 700;
  line-height: 1.4;
  color: var(--text-dark);
  margin-bottom: 20px;
}

.section-desc {
  font-size: 1rem;
  color: var(--text-mid);
  max-width: 600px;
  margin: 0 auto;
}

.section-header.light .section-title,
.section-title.light {
  color: #fff;
}

.section-header.light .section-desc,
.section-desc.light {
  color: rgba(255,255,255,0.75);
}

/* ===========================
   Buttons
=========================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 700;
  font-family: 'Noto Sans JP', sans-serif;
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
  color: #fff;
  box-shadow: 0 4px 20px rgba(200, 164, 74, 0.4);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(200, 164, 74, 0.55);
}

.btn-outline {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.6);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: #fff;
}

.btn-outline-dark {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}
.btn-outline-dark:hover {
  background: var(--primary);
  color: #fff;
}

.btn-white {
  background: #fff;
  color: var(--primary);
  border-color: #fff;
}
.btn-white:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.btn-full { width: 100%; justify-content: center; }

/* ===========================
   Navigation
=========================== */
#header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: var(--transition);
}

#navbar {
  padding: 20px 0;
  transition: var(--transition);
}

#navbar.scrolled {
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
  padding: 12px 0;
}

#navbar.scrolled .logo-main,
#navbar.scrolled .logo-sub {
  color: var(--primary);
}

#navbar.scrolled .nav-logo-img {
  background: #fff;
  padding: 3px 5px;
}

#navbar.scrolled .nav-links a {
  color: var(--text-dark);
}

#navbar.scrolled .nav-links a:hover {
  color: var(--primary);
}

#navbar.scrolled .nav-links a.nav-cta {
  background: var(--primary);
  color: #fff;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.nav-logo-img {
  height: 44px;
  width: auto;
  object-fit: contain;
  border-radius: 6px;
  background: #fff;
  padding: 3px 5px;
  transition: var(--transition);
}

.footer-logo-img {
  background: rgba(255,255,255,0.1);
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-main {
  font-size: 1rem;
  font-weight: 900;
  letter-spacing: 0.15em;
  color: #fff;
  line-height: 1.2;
  transition: var(--transition);
}

.logo-sub {
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  color: rgba(255,255,255,0.7);
  transition: var(--transition);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-links a {
  padding: 8px 14px;
  font-size: 0.85rem;
  font-weight: 500;
  color: rgba(255,255,255,0.9);
  border-radius: 999px;
  transition: var(--transition);
}

.nav-links a:hover {
  background: rgba(255,255,255,0.1);
}

.nav-links a.nav-cta {
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  padding: 10px 20px;
}

.nav-links a.nav-cta:hover {
  background: var(--accent-dark);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: var(--transition);
}

#navbar.scrolled .hamburger span { background: var(--primary); }

/* ===========================
   Hero Section
=========================== */
#hero {
  min-height: 100vh;
  position: relative;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: url('/kgroup/images/hero-bg.jpg');
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
  transform: scale(1.04);
  transition: transform 8s ease-out;
}

#hero.loaded .hero-bg {
  transform: scale(1);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(17, 29, 94, 0.82) 0%,
    rgba(30, 46, 122, 0.72) 50%,
    rgba(17, 29, 94, 0.85) 100%
  );
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
  padding: 120px 24px 80px;
  max-width: 800px;
  padding-left: max(24px, calc((100vw - 1200px) / 2 + 24px));
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(200,164,74,0.15);
  border: 1px solid rgba(200,164,74,0.4);
  color: var(--accent-light);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 999px;
  margin-bottom: 28px;
  animation: fadeInDown 0.6s ease forwards;
}

.hero-title {
  margin-bottom: 24px;
  animation: fadeInUp 0.7s ease 0.1s both;
}

.hero-title-sub {
  display: block;
  font-size: clamp(1rem, 2vw, 1.3rem);
  color: rgba(255,255,255,0.7);
  font-weight: 400;
  margin-bottom: 8px;
}

.hero-title-main {
  display: block;
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 700;
  color: #fff;
  line-height: 1.2;
}

.hero-title-main em {
  font-style: normal;
  color: var(--accent-light);
}

.hero-desc {
  font-size: clamp(0.95rem, 1.5vw, 1.1rem);
  color: rgba(255,255,255,0.8);
  line-height: 1.8;
  margin-bottom: 40px;
  animation: fadeInUp 0.7s ease 0.2s both;
}

.hero-desc strong { color: var(--accent-light); }

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 56px;
  animation: fadeInUp 0.7s ease 0.3s both;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
  animation: fadeInUp 0.7s ease 0.4s both;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.stat-num {
  font-size: 1.4rem;
  font-weight: 900;
  color: var(--accent-light);
  line-height: 1;
}

.stat-label {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.6);
  letter-spacing: 0.05em;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,0.2);
}

.hero-scroll {
  position: absolute;
  bottom: 40px;
  right: 80px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  z-index: 2;
}

.hero-scroll span {
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: rgba(255,255,255,0.4);
  writing-mode: vertical-rl;
}

.scroll-line {
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.4), transparent);
  animation: scrollLine 2s infinite;
}

@keyframes scrollLine {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ===========================
   Announcement Bar
=========================== */
.announcement-bar {
  background: var(--primary);
  padding: 12px 24px;
  overflow: hidden;
}

.announcement-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.875rem;
  color: rgba(255,255,255,0.9);
}

.ann-badge {
  background: var(--accent);
  color: #fff;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 2px 10px;
  border-radius: 999px;
  flex-shrink: 0;
}

.announcement-inner a {
  margin-left: auto;
  color: var(--accent-light);
  font-weight: 600;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 6px;
}

.announcement-inner a:hover { text-decoration: underline; }

/* ===========================
   Services Grid
=========================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid rgba(0,0,0,0.05);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  transform: scaleX(0);
  transition: var(--transition);
  transform-origin: left;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  transition: var(--transition);
}

.service-card:hover .service-icon {
  background: linear-gradient(135deg, var(--accent-dark) 0%, var(--accent) 100%);
}

.service-icon i {
  font-size: 1.4rem;
  color: #fff;
}

.service-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-dark);
}

.service-card p {
  font-size: 0.875rem;
  color: var(--text-mid);
  line-height: 1.7;
  margin-bottom: 16px;
}

.service-tag {
  display: inline-block;
  background: var(--bg-light);
  color: var(--primary);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 999px;
  border: 1px solid rgba(26,58,92,0.15);
}

/* ===========================
   Features Section
=========================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
}

.feature-item {
  background: rgba(255,255,255,0.04);
  padding: 48px 40px;
  display: flex;
  gap: 24px;
  border: 1px solid rgba(255,255,255,0.06);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-item::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(200,164,74,0.05) 0%, transparent 60%);
  opacity: 0;
  transition: var(--transition);
}

.feature-item:hover::before { opacity: 1; }

.feature-item:hover {
  background: rgba(255,255,255,0.07);
}

.feature-number {
  font-size: 3rem;
  font-weight: 900;
  color: rgba(200,164,74,0.15);
  line-height: 1;
  flex-shrink: 0;
  font-family: 'Noto Serif JP', serif;
  letter-spacing: -0.02em;
}

.feature-content {
  flex: 1;
}

.feature-icon-wrap {
  width: 48px;
  height: 48px;
  background: rgba(200,164,74,0.15);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.feature-icon-wrap i {
  font-size: 1.3rem;
  color: var(--accent);
}

.feature-content h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
  line-height: 1.5;
}

.feature-content p {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.65);
  line-height: 1.8;
}

/* ===========================
   AI Section
=========================== */
.section-ai {
  background: linear-gradient(180deg, var(--bg-light) 0%, var(--bg-white) 100%);
}

.ai-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.ai-visual {
  position: relative;
}

.ai-card {
  background: var(--primary-dark);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.ai-card-header {
  background: rgba(255,255,255,0.05);
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.ai-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.ai-dot.green { background: #2ecc71; }
.ai-dot.yellow { background: #f1c40f; }
.ai-dot.red { background: #e74c3c; }

.ai-card-title {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.5);
  margin-left: 8px;
  letter-spacing: 0.05em;
}

.ai-card-body {
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.ai-bar-row {
  display: grid;
  grid-template-columns: 100px 1fr 80px;
  align-items: center;
  gap: 12px;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.7);
}

.ai-bar {
  height: 6px;
  background: rgba(255,255,255,0.1);
  border-radius: 999px;
  overflow: hidden;
}

.ai-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary-light), var(--accent));
  border-radius: 999px;
  animation: barGrow 1.5s ease forwards;
  transform-origin: left;
}

.ai-bar-fill.warn {
  background: linear-gradient(90deg, #2ecc71, #27ae60);
}

@keyframes barGrow {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

.ai-val {
  color: var(--accent-light);
  font-weight: 700;
  font-size: 0.8rem;
  text-align: right;
}

.ai-result {
  background: rgba(200,164,74,0.1);
  border: 1px solid rgba(200,164,74,0.3);
  border-radius: var(--radius);
  padding: 12px 16px;
  font-size: 0.875rem;
  color: var(--accent-light);
  display: flex;
  align-items: center;
  gap: 8px;
}

.ai-result strong { color: #fff; }

.ai-badge-float {
  position: absolute;
  bottom: -16px;
  right: -16px;
  background: var(--accent);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 10px 20px;
  border-radius: 999px;
  display: flex;
  align-items: center;
  gap: 6px;
  box-shadow: 0 4px 16px rgba(200,164,74,0.4);
}

.ai-text .section-label { display: inline-block; margin-bottom: 12px; }
.ai-text .section-title { text-align: left; margin-bottom: 16px; }

.ai-text > p {
  color: var(--text-mid);
  margin-bottom: 28px;
  line-height: 1.8;
}

.ai-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 36px;
}

.ai-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text-dark);
}

.ai-list li i {
  color: var(--accent);
  flex-shrink: 0;
}

/* ===========================
   Tenant Flow
=========================== */
.tenant-flow {
  display: flex;
  align-items: flex-start;
  gap: 0;
  overflow-x: auto;
  padding-bottom: 16px;
}

.flow-step {
  flex: 1;
  min-width: 160px;
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 28px 20px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(0,0,0,0.06);
  transition: var(--transition);
}

.flow-step:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.flow-icon {
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 12px;
}

.flow-icon i {
  font-size: 1.2rem;
  color: #fff;
}

.flow-num {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 8px;
}

.flow-step h4 {
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-dark);
}

.flow-step p {
  font-size: 0.78rem;
  color: var(--text-mid);
  line-height: 1.6;
}

.flow-arrow {
  display: flex;
  align-items: center;
  padding: 0 8px;
  color: var(--accent);
  font-size: 1.2rem;
  flex-shrink: 0;
  margin-top: 40px;
}

/* ===========================
   Owner Section
=========================== */
.section-owner {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
}

.owner-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.owner-text .section-label.light {
  color: var(--accent-light);
  border-color: var(--accent);
}

.owner-desc {
  color: rgba(255,255,255,0.75);
  margin-bottom: 32px;
  line-height: 1.8;
}

.owner-worries {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 40px;
}

.worry-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  color: rgba(255,255,255,0.85);
  font-size: 0.8rem;
  padding: 6px 14px;
  border-radius: 999px;
  transition: var(--transition);
}

.worry-tag:hover {
  background: rgba(200,164,74,0.15);
  border-color: rgba(200,164,74,0.4);
  color: var(--accent-light);
}

.worry-tag i { color: var(--accent); font-size: 0.75rem; }

.owner-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.owner-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  transition: var(--transition);
}

.owner-card:hover {
  background: rgba(255,255,255,0.1);
  transform: translateY(-4px);
}

.owner-card.highlight {
  background: rgba(200,164,74,0.12);
  border-color: rgba(200,164,74,0.3);
}

.oc-icon {
  width: 44px;
  height: 44px;
  background: rgba(200,164,74,0.15);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
}

.oc-icon i {
  color: var(--accent);
  font-size: 1.2rem;
}

.owner-card h4 {
  font-size: 0.9rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}

.owner-card p {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.6);
  line-height: 1.6;
}

/* ===========================
   Group Section
=========================== */
.group-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 48px;
  align-items: center;
}

.group-card {
  background: var(--bg-white);
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: var(--shadow-md);
  display: flex;
  gap: 32px;
  align-items: flex-start;
}

.group-logo-area {
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 16px;
  min-width: 180px;
  max-width: 180px;
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(0,0,0,0.07);
}

.kos-logo-img {
  width: 100%;
  height: auto;
  object-fit: contain;
  display: block;
}

.group-content h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-dark);
}

.group-content p {
  font-size: 0.875rem;
  color: var(--text-mid);
  line-height: 1.8;
  margin-bottom: 20px;
}

.group-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 24px;
}

.group-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--text-dark);
}

.group-list li i { color: var(--accent); }

.group-flow {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.gf-item {
  background: var(--bg-white);
  border: 2px solid rgba(26,58,92,0.12);
  border-radius: var(--radius-lg);
  padding: 16px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  width: 100%;
  text-align: center;
  transition: var(--transition);
}

.gf-item:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-sm);
}

.gf-item i {
  font-size: 1.4rem;
  color: var(--primary);
}

.gf-item span {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-dark);
}

.gf-item.kos {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  border-color: var(--primary);
}

.gf-item.kos i,
.gf-item.kos span { color: #fff; }

.gf-item.kos small {
  font-size: 0.7rem;
  color: rgba(255,255,255,0.7);
}

.gf-item.result {
  background: linear-gradient(135deg, var(--accent-dark), var(--accent));
  border-color: var(--accent);
}

.gf-item.result i,
.gf-item.result span { color: #fff; }

.gf-plus {
  color: var(--accent);
  font-size: 1.2rem;
}

/* ===========================
   Contact Section
=========================== */
.section-contact {
  background: linear-gradient(135deg, var(--primary-dark) 0%, #0a2540 100%);
}

.section-contact .section-header .section-title {
  color: #fff;
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 48px;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.ci-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.ci-icon {
  width: 44px;
  height: 44px;
  background: rgba(200,164,74,0.15);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.ci-icon i { color: var(--accent); font-size: 1.1rem; }

.ci-item h4 {
  font-size: 0.8rem;
  font-weight: 700;
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.ci-item p {
  font-size: 0.9rem;
  color: #fff;
  line-height: 1.6;
}

.ci-item p a { color: #fff; }
.ci-item p a:hover { color: var(--accent-light); }

.ci-item small {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.5);
}

.ci-free-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}

.free-badge {
  background: rgba(200,164,74,0.15);
  border: 1px solid rgba(200,164,74,0.4);
  color: var(--accent-light);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 999px;
}

/* Form Styles */
.contact-form {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-xl);
  padding: 40px;
  backdrop-filter: blur(10px);
}

.form-group {
  margin-bottom: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: rgba(255,255,255,0.7);
  margin-bottom: 8px;
  letter-spacing: 0.03em;
}

.required {
  background: var(--accent);
  color: #fff;
  font-size: 0.65rem;
  padding: 1px 6px;
  border-radius: 4px;
  margin-left: 6px;
}

input[type="text"],
input[type="email"],
input[type="tel"],
select,
textarea {
  width: 100%;
  padding: 12px 16px;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius);
  color: #fff;
  font-size: 0.9rem;
  font-family: 'Noto Sans JP', sans-serif;
  transition: var(--transition);
  outline: none;
}

input::placeholder,
textarea::placeholder {
  color: rgba(255,255,255,0.3);
}

select option {
  background: var(--primary-dark);
  color: #fff;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--accent);
  background: rgba(255,255,255,0.1);
  box-shadow: 0 0 0 3px rgba(200,164,74,0.2);
}

textarea { resize: vertical; min-height: 100px; }

.radio-group {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.radio-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.875rem;
  color: rgba(255,255,255,0.8);
  cursor: pointer;
  font-weight: 400;
  margin-bottom: 0;
}

.radio-label input[type="radio"] {
  width: auto;
  padding: 0;
  accent-color: var(--accent);
}

.form-note {
  text-align: center;
  font-size: 0.75rem;
  color: rgba(255,255,255,0.4);
  margin-top: 12px;
}

/* ===========================
   Footer
=========================== */
#footer {
  background: var(--primary-dark);
  color: rgba(255,255,255,0.7);
}

.footer-main {
  padding: 64px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
}

.footer-tagline {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.5);
  line-height: 1.8;
  margin: 16px 0;
}

.footer-address {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.5);
  line-height: 1.6;
  margin-bottom: 12px;
}

.footer-address i { color: var(--accent); flex-shrink: 0; margin-top: 2px; }

.footer-group-link {
  font-size: 0.8rem;
  color: var(--accent-light);
  display: flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}

.footer-group-link:hover { color: var(--accent); text-decoration: underline; }

.footer-links h5 {
  font-size: 0.8rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}

.footer-links ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.5);
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--accent-light);
}

.footer-bottom {
  padding: 20px 0;
  text-align: center;
}

.footer-bottom p {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.3);
}

/* ===========================
   Float CTA
=========================== */
.float-cta {
  position: fixed;
  bottom: 32px;
  right: 100px;
  z-index: 900;
  opacity: 0;
  transform: translateY(16px);
  transition: var(--transition);
  pointer-events: none;
}

.float-cta.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: all;
}

.float-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  background: var(--accent);
  color: #fff;
  padding: 14px 20px;
  border-radius: var(--radius-lg);
  font-size: 0.75rem;
  font-weight: 700;
  box-shadow: 0 8px 24px rgba(200,164,74,0.4);
  transition: var(--transition);
}

.float-btn i { font-size: 1.4rem; }
.float-btn:hover { background: var(--accent-dark); transform: scale(1.05); }

/* ===========================
   Scroll Top Button
=========================== */
.scroll-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 50%;
  font-size: 1rem;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  opacity: 0;
  pointer-events: none;
  z-index: 900;
  display: flex;
  align-items: center;
  justify-content: center;
}

.scroll-top.visible {
  opacity: 1;
  pointer-events: all;
}

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

/* ===========================
   Modal
=========================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
  backdrop-filter: blur(4px);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.modal {
  background: #fff;
  border-radius: var(--radius-xl);
  padding: 48px 40px;
  max-width: 440px;
  width: 90%;
  text-align: center;
  box-shadow: var(--shadow-lg);
  transform: scale(0.9);
  transition: var(--transition);
}

.modal-overlay.active .modal {
  transform: scale(1);
}

.modal-icon {
  font-size: 3.5rem;
  color: var(--success);
  margin-bottom: 20px;
}

.modal h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-dark);
}

.modal p {
  font-size: 0.9rem;
  color: var(--text-mid);
  line-height: 1.8;
  margin-bottom: 28px;
}

.modal p strong { color: var(--primary); }

/* ===========================
   Animations
=========================== */
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

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

[data-aos] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-aos="fade-right"] {
  transform: translateX(-24px);
}

[data-aos="fade-left"] {
  transform: translateX(24px);
}

[data-aos].aos-animate {
  opacity: 1;
  transform: translateX(0) translateY(0);
}

/* ===========================
   Responsive
=========================== */
@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .ai-inner,
  .owner-inner,
  .group-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .contact-wrapper {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .group-flow {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
  }

  .gf-item { width: auto; flex: 1; min-width: 120px; }
}

@media (max-width: 768px) {
  .section { padding: 72px 0; }

  .nav-links {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--primary-dark);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    z-index: 999;
  }

  .nav-links.open { display: flex; }

  .nav-links a {
    font-size: 1.1rem;
    color: #fff;
    padding: 12px 32px;
  }

  .hamburger { display: flex; z-index: 1001; }

  .hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .hamburger.active span:nth-child(2) { opacity: 0; }
  .hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .hero-content {
    padding: 100px 24px 60px;
  }

  .hero-scroll { display: none; }

  .hero-actions {
    flex-direction: column;
    gap: 12px;
  }

  .btn { width: 100%; justify-content: center; }

  .services-grid { grid-template-columns: 1fr; }

  .features-grid { grid-template-columns: 1fr; }

  .tenant-flow {
    flex-direction: column;
  }

  .flow-arrow { transform: rotate(90deg); }

  .owner-cards { grid-template-columns: 1fr; }

  .group-card {
    flex-direction: column;
    gap: 20px;
  }

  .form-row { grid-template-columns: 1fr; }

  .footer-grid { grid-template-columns: 1fr; }

  .float-cta { right: 80px; bottom: 24px; }
  .scroll-top { right: 24px; bottom: 24px; }

  .ai-inner { gap: 32px; }

  .contact-form { padding: 28px 20px; }
}

@media (max-width: 480px) {
  .hero-stats {
    gap: 16px;
  }

  .announcement-inner {
    flex-wrap: wrap;
    font-size: 0.8rem;
  }

  .announcement-inner a { margin-left: 0; }
}