/* ============================================================
   inovie Vertical AI Studio — Landing Page v2
   ============================================================ */

/* ---- Design Tokens ---- */
:root {
  --primary: #335FDC;
  --primary-hover: #2a4db5;
  --primary-light: #3b82f6;
  --primary-dark: #1e3a8a;
  --dark: #111827;
  --white: #ffffff;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --violet: #8b5cf6;
  --cyan: #0ea5e9;

  --font: "Inter", "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out: cubic-bezier(0, 0, 0.2, 1);
}

/* ---- Reset ---- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
body { font-family: var(--font); color: var(--dark); background: var(--white); line-height: 1.7; overflow-x: hidden; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

/* ---- Container ---- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 clamp(20px, 5vw, 40px); }

/* ---- prefers-reduced-motion ---- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
  [data-anim] { opacity: 1; transform: none; }
}

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 20px 0;
  transition: var(--transition);
}
.nav.scrolled {
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--gray-200);
  padding: 12px 0;
}
.nav-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 clamp(20px, 5vw, 40px);
  display: flex; justify-content: flex-end; align-items: center;
}
.nav-spacer { flex: 1; }
.nav-links { display: flex; gap: 32px; align-items: center; }
.nav-links a {
  font-size: 13px; font-weight: 500; letter-spacing: 0.02em;
  color: var(--gray-500);
  transition: var(--transition);
}
.nav.scrolled .nav-links a { color: var(--gray-600); }
.nav-links a:hover { color: var(--dark); }
.nav-cta {
  background: var(--primary) !important; color: var(--white) !important;
  padding: 8px 20px; border-radius: 6px; font-weight: 600;
}
.nav-cta:hover { background: var(--primary-hover) !important; }

/* ---- Hamburger ---- */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  z-index: 101;
}
.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--dark);
  border-radius: 2px;
  transition: var(--transition);
}
.nav.scrolled .nav-hamburger span { background: var(--dark); }
.nav-hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-hamburger.active span:nth-child(2) { opacity: 0; }
.nav-hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  min-height: 100vh; display: flex; align-items: flex-end;
  background: var(--white);
  position: relative; overflow: hidden;
  padding: 120px 0 60px;
}
.hero-inner {
  position: relative; z-index: 2;
  max-width: 1200px; width: 100%; margin: 0 auto; padding: 0 clamp(20px, 5vw, 40px);
}

.hero-type {
  display: flex; flex-direction: column; gap: 0;
  margin-bottom: clamp(24px, 4vw, 48px);
}
.hero-line {
  font-size: clamp(72px, 14vw, 200px);
  font-weight: 900; line-height: 0.88; letter-spacing: -0.04em;
  color: var(--dark);
  display: block;
  opacity: 0; transform: translateY(40px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}
.hero-line.visible { opacity: 1; transform: translateY(0); }
.hero-line-2 { padding-left: clamp(60px, 12vw, 180px); color: transparent; -webkit-text-stroke: 2px var(--dark); }
.hero-line-3 { padding-left: clamp(120px, 22vw, 340px); color: var(--primary); }

.hero-divider {
  width: 0; height: 1px;
  background: var(--dark);
  margin-bottom: clamp(20px, 3vw, 36px);
  transition: width 1.2s var(--ease-out) 0.6s;
}
.hero-divider.visible { width: min(400px, 50%); }

.hero-bottom {
  display: flex; justify-content: space-between; align-items: flex-end;
  opacity: 0; transform: translateY(20px);
  transition: opacity 0.8s var(--ease-out) 0.8s, transform 0.8s var(--ease-out) 0.8s;
}
.hero-bottom.visible { opacity: 1; transform: translateY(0); }

.hero-copy-block { max-width: 600px; }
.hero-lead {
  font-size: clamp(13px, 1.6vw, 16px);
  color: var(--gray-500); font-weight: 400;
  letter-spacing: 0.04em;
  margin-bottom: 4px;
}
.hero-catchcopy {
  font-size: clamp(22px, 3.5vw, 36px);
  font-weight: 800; color: var(--dark);
  letter-spacing: -0.01em;
}
.hero-arrow {
  width: 56px; height: 56px; border-radius: 50%;
  border: 1px solid var(--gray-200);
  display: flex; align-items: center; justify-content: center;
  font-size: 24px; color: var(--dark);
  transition: var(--transition);
  flex-shrink: 0;
}
.hero-arrow:hover {
  background: var(--primary); border-color: var(--primary);
  color: var(--white);
  transform: scale(1.1);
}

.scroll-indicator {
  position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  color: var(--gray-400); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase;
  z-index: 3;
}
.scroll-line {
  width: 1px; height: 40px; background: var(--gray-200);
  position: relative; overflow: hidden;
}
.scroll-line::after {
  content: '';
  position: absolute; top: -100%; left: 0; width: 1px; height: 100%;
  background: var(--primary);
  animation: scrollDown 2s ease-in-out infinite;
}
@keyframes scrollDown {
  0% { top: -100%; } 50% { top: 100%; } 100% { top: 100%; }
}

/* ============================================================
   SECTIONS BASE
   ============================================================ */
.section { padding: clamp(80px, 10vw, 140px) 0; position: relative; }
.section-lg { padding: clamp(100px, 12vw, 160px) 0; }
.section-white { background: var(--white); }
.section-light { background: var(--gray-50); }
.section-primary {
  background: var(--primary);
  color: var(--white);
  position: relative; overflow: hidden;
}
.section-primary .container { position: relative; z-index: 2; }
.section-dark {
  background: var(--dark);
  color: var(--white);
  position: relative; overflow: hidden;
}
.section-dark::before {
  content: '';
  position: absolute; inset: 0;
  background: rgba(51,95,220,0.04);
  pointer-events: none;
}
.section-dark .container { position: relative; z-index: 2; }

.section-label {
  font-size: 12px; font-weight: 600; letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--primary);
  display: block; margin-bottom: 16px;
}
.section-label-light { color: rgba(255,255,255,0.5); }

.section-header { margin-bottom: clamp(48px, 6vw, 72px); }
.section-title {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 800; line-height: 1.3; letter-spacing: -0.02em;
}
.section-title-xl {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 800; line-height: 1.25; letter-spacing: -0.02em;
  margin-bottom: 24px;
}
.section-sub {
  font-size: clamp(14px, 1.6vw, 16px);
  color: var(--gray-500);
  max-width: 600px;
  margin-top: 16px;
  line-height: 1.8;
}

/* ---- Animation base ---- */
[data-anim] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}
[data-anim].visible {
  opacity: 1;
  transform: translateY(0);
}
[data-anim="line-grow"] { transform: none; }
[data-anim="text-reveal"] { transform: none; opacity: 1; }

/* ============================================================
   PROBLEM
   ============================================================ */
.problem-layout {
  display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 6vw, 80px);
  align-items: start;
}
.problem-left { position: sticky; top: 120px; }
.problem-question {
  font-size: clamp(30px, 4.5vw, 48px);
  font-weight: 800; line-height: 1.25; letter-spacing: -0.02em;
}
.problem-question em {
  font-style: normal;
  color: var(--primary);
}
.problem-right { display: flex; flex-direction: column; gap: 24px; }
.problem-item {
  padding: 24px 0;
  border-bottom: 1px solid var(--gray-200);
}
.problem-item:last-child { border-bottom: none; }
.problem-item h3 { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.problem-item p { font-size: 14px; color: var(--gray-600); line-height: 1.7; }

/* ============================================================
   SOLUTION (Primary BG — 1回だけ使用)
   ============================================================ */
.solution-intro { max-width: 720px; margin-bottom: clamp(36px, 5vw, 56px); }
.solution-desc {
  font-size: clamp(15px, 1.8vw, 17px);
  color: rgba(255,255,255,0.75);
  line-height: 1.8;
}
.solution-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.solution-card {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 16px; padding: 36px 28px;
  backdrop-filter: blur(8px);
  transition: var(--transition);
  position: relative; overflow: hidden;
}
.solution-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: rgba(255,255,255,0.4);
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.4s var(--ease-out);
}
.solution-card:hover::before { transform: scaleX(1); }
.solution-card:hover {
  background: rgba(255,255,255,0.14);
  transform: translateY(-4px);
}
.solution-card-num {
  font-size: 48px; font-weight: 900; color: rgba(255,255,255,0.08);
  line-height: 1; margin-bottom: 20px;
}
.solution-card h3 {
  font-size: 20px; font-weight: 700; margin-bottom: 16px;
  color: var(--white);
}
.solution-card p {
  font-size: 14px; line-height: 1.8;
  color: rgba(255,255,255,0.7);
}
.solution-card strong { color: var(--white); font-weight: 600; }

/* ============================================================
   MARQUEE
   ============================================================ */
.section-marquee {
  padding: 32px 0;
  background: var(--gray-50);
  border-top: 1px solid var(--gray-200);
  border-bottom: 1px solid var(--gray-200);
  overflow: hidden;
}
.marquee-track { display: flex; width: max-content; }
.marquee-content {
  display: flex; align-items: center; gap: 32px;
  animation: marquee 30s linear infinite;
  padding-right: 32px;
}
.marquee-content span {
  font-size: clamp(14px, 2vw, 18px);
  font-weight: 600; color: var(--gray-400);
  white-space: nowrap; letter-spacing: 0.02em;
}
.marquee-dot {
  width: 6px; height: 6px; border-radius: 50%; background: var(--gray-300);
  display: inline-block;
}
@keyframes marquee { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

/* ============================================================
   PRODUCTS
   ============================================================ */

/* Featured product (FitDesign AI) */
.product-featured {
  display: grid; grid-template-columns: 1fr 1fr; gap: 0;
  border-radius: 16px; overflow: hidden;
  background: var(--white);
  border: 1px solid var(--gray-200);
  margin-bottom: 32px;
  transition: var(--transition);
}
.product-featured:hover {
  box-shadow: 0 8px 40px rgba(0,0,0,0.08);
  transform: translateY(-2px);
}
.product-visual {
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--gray-100);
}
.product-img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.6s var(--ease-out);
}
.product-featured:hover .product-img { transform: scale(1.03); }
.product-img-fallback {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  font-size: 48px; font-weight: 900; color: rgba(255,255,255,0.15);
}
.product-detail {
  padding: clamp(28px, 4vw, 48px);
  display: flex; flex-direction: column; justify-content: center;
}
.product-status {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 11px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
  padding: 4px 12px; border-radius: 20px;
  width: fit-content; margin-bottom: 16px;
}
.product-status::before {
  content: ''; width: 6px; height: 6px; border-radius: 50%;
}
.product-status-live { background: #ecfdf5; color: #059669; }
.product-status-live::before { background: #059669; animation: statusBlink 2s ease-in-out infinite; }
@keyframes statusBlink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}
.product-status-prep { background: #fef3c7; color: #d97706; }
.product-status-prep::before { background: #d97706; }
.product-tag {
  font-size: 12px; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--primary); margin-bottom: 12px;
}
.product-detail h3 {
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 800; margin-bottom: 16px; letter-spacing: -0.01em;
}
.product-desc {
  font-size: 14px; color: var(--gray-600); line-height: 1.8;
  margin-bottom: 16px;
}

/* ---- Product Timeline ---- */
.product-timeline {
  display: flex; flex-direction: column; gap: 0;
  margin-bottom: 20px;
  border-left: 2px solid var(--gray-200);
  padding-left: 20px;
  margin-left: 4px;
}
.timeline-item {
  display: flex; align-items: baseline; gap: 12px;
  padding: 6px 0;
  position: relative;
}
.timeline-item::before {
  content: '';
  position: absolute; left: -25px; top: 12px;
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--primary);
  border: 2px solid var(--white);
}
.timeline-item-upcoming::before {
  background: var(--white);
  border: 2px solid var(--primary);
}
.timeline-date {
  font-size: 12px; font-weight: 700; color: var(--primary);
  font-family: 'Inter', monospace;
  min-width: 56px;
}
.timeline-text {
  font-size: 13px; font-weight: 500; color: var(--dark);
}
.timeline-item-upcoming .timeline-text {
  color: var(--gray-500);
}

.product-proof {
  display: flex; flex-direction: column; gap: 6px;
  margin-bottom: 20px;
}
.proof-item {
  font-size: 13px; font-weight: 500; color: var(--gray-600);
  padding-left: 16px;
  position: relative;
}
.proof-item::before {
  content: ''; position: absolute; left: 0; top: 8px;
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--primary);
}
.product-link {
  font-size: 14px; font-weight: 600; color: var(--primary);
  display: inline-flex; align-items: center; gap: 4px;
  transition: var(--transition);
}
.product-link:hover { gap: 8px; }

/* Sub-grid: EC + open slot */
.product-sub-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 24px;
}
.product-card-sm {
  border-radius: 16px; overflow: hidden;
  background: var(--white);
  border: 1px solid var(--gray-200);
  transition: var(--transition);
}
.product-card-sm:hover {
  box-shadow: 0 4px 24px rgba(0,0,0,0.06);
  transform: translateY(-2px);
}
.product-visual-sm {
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--gray-100);
}
.product-visual-sm .product-img {
  width: 100%; height: 100%; object-fit: cover;
}
.product-detail-sm {
  padding: 24px;
}
.product-detail-sm h3 {
  font-size: 18px; font-weight: 700; margin-bottom: 8px;
}
.product-detail-sm p {
  font-size: 13px; color: var(--gray-600); line-height: 1.7;
}

.product-card-open {
  border: 2px dashed var(--gray-300);
  display: flex; align-items: center; justify-content: center;
}
.product-card-open:hover { border-color: var(--primary); }
.product-open-inner { padding: 32px; }
.product-open-label {
  display: block;
  font-size: 13px; font-weight: 600; letter-spacing: 0.1em;
  color: var(--gray-400); margin-bottom: 12px;
}
.product-open-inner h3 {
  font-size: clamp(20px, 2.5vw, 28px);
  font-weight: 800; margin-bottom: 12px;
}
.product-open-inner p {
  font-size: 14px; color: var(--gray-600); line-height: 1.7;
  margin-bottom: 20px;
}

/* ============================================================
   PARTNERSHIP MODELS
   ============================================================ */
.models-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.model-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 16px;
  padding: 32px 28px;
  transition: var(--transition);
  position: relative;
}
.model-card:hover {
  box-shadow: 0 4px 24px rgba(0,0,0,0.06);
  transform: translateY(-2px);
}
.model-header {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 20px;
}
.model-name {
  font-size: 18px; font-weight: 700;
}
.model-badge {
  font-size: 11px; font-weight: 700; letter-spacing: 0.05em;
  padding: 3px 10px; border-radius: 20px;
}
.model-badge-primary {
  background: var(--primary); color: var(--white);
}
.model-split {
  background: var(--gray-50);
  border-radius: 10px;
  padding: 16px 20px;
  margin-bottom: 20px;
}
.model-ratio {
  display: block;
  font-size: 15px; font-weight: 600; color: var(--dark);
}
.model-ratio strong {
  font-size: 22px; color: var(--primary);
}
.model-ratio-sub {
  display: block;
  font-size: 13px; color: var(--gray-500);
  margin-top: 4px;
}
.model-features {
  padding: 0; margin-bottom: 16px;
}
.model-features li {
  font-size: 13px; color: var(--gray-600); line-height: 1.7;
  padding: 4px 0 4px 20px;
  position: relative;
}
.model-features li::before {
  content: '✓';
  position: absolute; left: 0; top: 4px;
  color: var(--primary); font-size: 13px; font-weight: 700;
}
.model-note {
  font-size: 12px; color: var(--gray-400);
  border-top: 1px solid var(--gray-100);
  padding-top: 12px;
}

/* ============================================================
   PLATFORM / DASHBOARD
   ============================================================ */
.platform-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  gap: 48px;
  align-items: center;
}
.platform-desc {
  font-size: clamp(14px, 1.6vw, 16px);
  color: rgba(255,255,255,0.6);
  line-height: 1.8;
  margin-bottom: 28px;
}
.platform-features { padding: 0; }
.platform-features li {
  font-size: 14px; color: rgba(255,255,255,0.7);
  padding: 8px 0 8px 24px;
  position: relative;
  line-height: 1.6;
}
.platform-features li::before {
  content: '';
  position: absolute; left: 0; top: 16px;
  width: 10px; height: 2px;
  background: var(--primary-light);
}
.platform-visual {
  position: relative;
}
.platform-img {
  width: 100%;
  display: block;
  filter: drop-shadow(0 18px 42px rgba(0,0,0,0.25));
}

/* ============================================================
   PROGRAM (白背景)
   ============================================================ */
.program-timeline {
  max-width: 700px;
  margin: 0 auto;
}
.program-step {
  display: flex; gap: 28px;
  padding-bottom: 48px;
}
.program-step:last-child { padding-bottom: 0; }
.program-step-marker {
  display: flex; flex-direction: column; align-items: center;
  flex-shrink: 0;
}
.program-step-num {
  width: 48px; height: 48px; border-radius: 50%;
  background: var(--gray-50);
  border: 2px solid var(--gray-200);
  display: flex; align-items: center; justify-content: center;
  font-size: 16px; font-weight: 800; color: var(--primary);
  flex-shrink: 0;
  transition: var(--transition);
}
.program-step.visible .program-step-num {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--white);
}
.program-step-line {
  width: 2px; flex: 1;
  background: var(--gray-200);
  margin-top: 12px;
}
.program-step-content { padding-top: 8px; }
.program-step-content h3 {
  font-size: 20px; font-weight: 700; color: var(--dark);
  margin-bottom: 8px;
}
.program-step-content p {
  font-size: 14px; color: var(--gray-600); line-height: 1.8;
  margin-bottom: 16px;
}
.program-roles { display: flex; flex-direction: column; gap: 6px; }
.role-tag {
  font-size: 12px; font-weight: 600; padding: 6px 12px;
  border-radius: 6px; display: inline-block; width: fit-content;
}
.role-partner {
  background: rgba(51,95,220,0.06);
  color: var(--primary);
}
.role-inovie {
  background: var(--gray-50);
  color: var(--gray-500);
  border: 1px solid var(--gray-200);
}

/* ============================================================
   COMPARISON
   ============================================================ */
.comparison-table { overflow-x: auto; }
.comparison-table table {
  width: 100%; border-collapse: collapse;
  font-size: 14px;
}
.comparison-table th {
  padding: 16px 20px;
  font-weight: 700; font-size: 14px;
  text-align: left;
  border-bottom: 2px solid var(--gray-200);
  white-space: nowrap;
}
.comparison-table th.highlight {
  background: var(--primary);
  color: var(--white);
  border-radius: 12px 12px 0 0;
}
.comparison-table td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--gray-100);
  color: var(--gray-600);
}
.comparison-table td.highlight {
  background: rgba(51,95,220,0.04);
  color: var(--primary);
  font-weight: 600;
}
.comparison-table td.row-label {
  font-weight: 600; color: var(--dark);
  white-space: nowrap;
}
.comparison-table tr:last-child td.highlight {
  border-radius: 0 0 12px 12px;
}

/* ============================================================
   FAQ
   ============================================================ */
.faq-list { max-width: 720px; margin: 0 auto; }
.faq-item {
  border-bottom: 1px solid var(--gray-200);
}
.faq-question {
  width: 100%; display: flex; justify-content: space-between; align-items: center;
  padding: 24px 0; font-size: 16px; font-weight: 600;
  text-align: left; color: var(--dark);
  transition: var(--transition);
}
.faq-question:hover { color: var(--primary); }
.faq-toggle {
  font-size: 24px; font-weight: 300; color: var(--gray-400);
  transition: var(--transition); flex-shrink: 0; margin-left: 16px;
}
.faq-item.open .faq-toggle { transform: rotate(45deg); color: var(--primary); }
.faq-answer {
  max-height: 0; overflow: hidden;
  transition: max-height 0.4s var(--ease-out), padding 0.4s var(--ease-out);
}
.faq-item.open .faq-answer {
  max-height: 500px;
  padding-bottom: 24px;
}
.faq-answer p {
  font-size: 14px; color: var(--gray-600); line-height: 1.8;
  margin-bottom: 12px;
}
.faq-answer p:last-child { margin-bottom: 0; }
.faq-answer ul { padding-left: 0; margin-bottom: 12px; }
.faq-answer li {
  font-size: 14px; color: var(--gray-600); line-height: 1.8;
  padding: 4px 0 4px 20px;
  position: relative;
}
.faq-answer li::before {
  content: '';
  position: absolute; left: 0; top: 13px;
  width: 8px; height: 2px; background: var(--primary);
}
.faq-answer li strong { color: var(--dark); }

/* ============================================================
   PRODUCT PARTNER BADGE
   ============================================================ */
.product-partner {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--gray-200);
}
.product-partner-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--gray-400);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  display: block;
  margin-bottom: 10px;
}
.product-partner-info {
  display: flex;
  align-items: center;
  gap: 12px;
}
.partner-logo {
  height: 28px;
  width: auto;
  flex-shrink: 0;
}
.partner-detail {
  display: flex;
  flex-direction: column;
  gap: 1px;
}
.partner-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--dark);
}
.partner-company {
  font-size: 12px;
  color: var(--gray-500);
}

/* ============================================================
   FOUNDER
   ============================================================ */
.section-founder {
  padding: clamp(80px, 10vw, 120px) 0;
}
.founder-layout {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 48px;
  align-items: center;
  max-width: 800px;
  margin: 0 auto;
}
.founder-photo-wrap {
  position: relative;
}
.founder-photo {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  object-fit: cover;
  filter: grayscale(20%);
}
.founder-text {}
.founder-name {
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 800;
  color: var(--dark);
  line-height: 1.3;
  margin-bottom: 4px;
}
.founder-name-en {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-400);
  margin-top: 4px;
  font-family: 'Inter', sans-serif;
}
.founder-title {
  font-size: 14px;
  color: var(--gray-500);
  margin-bottom: 16px;
}
.founder-bio {
  font-size: 15px;
  line-height: 1.9;
  color: var(--gray-600);
  margin-bottom: 20px;
}
.founder-company {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  font-size: 13px;
  color: var(--gray-400);
}

/* ============================================================
   CONTACT — タブ切り替え（資料請求 / ミーティング）
   ============================================================ */
.section-contact {
  padding: clamp(80px, 10vw, 120px) 0;
  background: var(--primary);
  position: relative; overflow: hidden;
}
.section-contact .container { position: relative; z-index: 2; }
.contact-header {
  text-align: center;
  margin-bottom: 32px;
}
.contact-tabs {
  display: flex; justify-content: center; gap: 4px;
  margin-bottom: 40px;
  background: rgba(255,255,255,0.12);
  border-radius: 10px;
  padding: 4px;
  max-width: 400px;
  margin-left: auto; margin-right: auto;
}
.contact-tab {
  flex: 1;
  padding: 12px 24px;
  font-size: 14px; font-weight: 600;
  color: rgba(255,255,255,0.6);
  border-radius: 8px;
  transition: var(--transition);
  text-align: center;
}
.contact-tab:hover { color: rgba(255,255,255,0.9); }
.contact-tab.active {
  background: var(--white);
  color: var(--dark);
}
.contact-panels { max-width: 640px; margin: 0 auto; }
.contact-panel { display: none; }
.contact-panel.active { display: block; }

.panel-document-inner {
  padding: clamp(32px, 4vw, 48px);
  background: var(--white);
  border-radius: 16px;
}
.panel-lead {
  font-size: 14px;
  color: var(--gray-500);
  margin-bottom: 24px;
  line-height: 1.7;
  text-align: center;
}

/* ---- Contact Form ---- */
.contact-form { text-align: left; }
.form-row {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
}
.form-group {
  margin-bottom: 16px;
}
.form-group label {
  display: block;
  font-size: 13px; font-weight: 600; color: var(--dark);
  margin-bottom: 6px;
}
.form-group input,
.form-group textarea {
  width: 100%;
  padding: 10px 14px;
  font-size: 14px; font-family: var(--font);
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  background: var(--gray-50);
  color: var(--dark);
  transition: var(--transition);
  line-height: 1.5;
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(51,95,220,0.1);
}
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--gray-400);
}
.contact-form .btn {
  width: 100%;
  margin-top: 8px;
  background: var(--primary); color: var(--white);
}
.contact-form .btn:hover {
  background: var(--primary-hover);
}

.meeting-embed {
  min-height: 600px;
  border-radius: 16px;
  overflow: hidden;
  background: var(--white);
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 14px 32px; border-radius: 8px;
  font-size: 15px; font-weight: 600;
  transition: var(--transition);
  letter-spacing: 0.01em;
}
.btn-white {
  background: var(--white); color: var(--dark);
}
.btn-white:hover {
  background: var(--gray-100);
  transform: translateY(-2px);
}
.btn-primary {
  background: var(--primary); color: var(--white);
}
.btn-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-2px);
}
.btn-outline-dark {
  display: inline-flex; align-items: center;
  padding: 10px 24px; border-radius: 8px;
  border: 1px solid var(--gray-300);
  color: var(--dark);
  font-size: 14px; font-weight: 600;
  transition: var(--transition);
}
.btn-outline-dark:hover {
  border-color: var(--primary); color: var(--primary);
  transform: translateY(-1px);
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--dark);
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 32px 0;
}
.footer-inner {
  display: flex; justify-content: center; align-items: center;
}
.footer-copy { font-size: 13px; color: rgba(255,255,255,0.4); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 960px) {
  .problem-layout { grid-template-columns: 1fr; }
  .problem-left { position: static; margin-bottom: 32px; }
  .solution-grid { grid-template-columns: 1fr; }
  .product-featured { grid-template-columns: 1fr; }
  .product-visual { aspect-ratio: 16/9; }
  .product-sub-grid { grid-template-columns: 1fr; }
  .models-grid { grid-template-columns: 1fr; }
  .platform-layout { grid-template-columns: 1fr; }
  .platform-visual { margin-top: 32px; }
  .founder-layout { grid-template-columns: 1fr; justify-items: center; text-align: center; gap: 32px; }
  .founder-photo { width: 160px; height: 160px; }
  .founder-company { justify-content: center; }
}
@media (max-width: 640px) {
  .nav-hamburger { display: flex; }
  .nav-links {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 32px;
    z-index: 100;
  }
  .nav-links.open { display: flex; }
  .nav-links a:not(.nav-cta) {
    display: block;
    font-size: 18px;
    font-weight: 600;
    color: var(--dark);
  }
  .nav-links .nav-cta { font-size: 16px; padding: 12px 32px; }
  .hero { min-height: auto; padding: 64px 0 16px; }
  .scroll-indicator { display: none; }
  .hero-bottom { flex-direction: column; align-items: flex-start; gap: 20px; }
  .hero-arrow { align-self: flex-end; }
  .hero-line-2 { padding-left: clamp(30px, 8vw, 80px); }
  .hero-line-3 { padding-left: clamp(60px, 16vw, 160px); }
  .program-step { gap: 16px; }
  .comparison-table { font-size: 12px; }
  .form-row { grid-template-columns: 1fr; }
}