/* ═══════════════════════════════════════════
   3D PAGE — 近未来・テック・立体空間世界観
════════════════════════════════════════════ */

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

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

:root {
  --td-cyan:     #00d4ff;
  --td-cyan2:    #67e8f9;
  --td-blue:     #3b82f6;
  --td-purple:   #7c3aed;
  --td-bg:       #040d1a;
  --td-bg2:      #071428;
  --td-bg3:      #0a1f3a;
  --td-line:     rgba(0,212,255,0.15);
  --td-text:     #e2f4ff;
  --td-text2:    rgba(226,244,255,0.55);
  --td-radius:   16px;
}

html { scroll-behavior: smooth; }

body.td-body {
  font-family: 'Space Grotesk', 'Noto Sans JP', sans-serif;
  background: var(--td-bg);
  color: var(--td-text);
  overflow-x: hidden;
}

/* ─── HEADER ─── */
.td-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
  height: 64px;
  background: rgba(4,13,26,0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--td-line);
}

.td-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--td-text);
  font-weight: 700;
  font-size: 14px;
}
.td-brand-mark {
  width: 32px; height: 32px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--td-cyan), var(--td-blue));
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  border-radius: 6px;
}

.td-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}
.td-nav a {
  text-decoration: none;
  color: var(--td-text2);
  font-size: 13px;
  font-weight: 700;
  transition: color 160ms;
}
.td-nav a:hover, .td-nav a.is-current { color: var(--td-cyan); }
.td-nav-cta {
  padding: 8px 20px;
  border: 1px solid var(--td-cyan);
  color: var(--td-cyan) !important;
  border-radius: 6px;
  font-size: 12px !important;
  transition: background 160ms !important;
}
.td-nav-cta:hover { background: rgba(0,212,255,0.1) !important; }

/* ─── HERO ─── */
.td-hero {
  position: relative;
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  padding: 80px 80px 60px;
  background: var(--td-bg);
  overflow: hidden;
  gap: 60px;
}

/* グリッドライン背景 */
.td-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,212,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

/* グロー */
.td-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
}
.td-glow-1 {
  width: 500px; height: 500px;
  top: -100px; left: -100px;
  background: radial-gradient(circle, rgba(0,212,255,0.12), transparent 70%);
}
.td-glow-2 {
  width: 400px; height: 400px;
  bottom: -80px; right: 10%;
  background: radial-gradient(circle, rgba(124,58,237,0.15), transparent 70%);
}

.td-hero-content { position: relative; z-index: 1; }

.td-eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--td-cyan);
}
.td-eyebrow-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--td-cyan);
  animation: blink 1.5s ease-in-out infinite;
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.2; }
}

.td-h1-sub {
  display: block;
  font-size: clamp(18px, 3vw, 24px);
  font-weight: 400;
  color: var(--td-text2);
  margin-bottom: 8px;
}
.td-h1-main {
  display: block;
  font-size: clamp(52px, 8vw, 80px);
  font-weight: 700;
  line-height: 1;
  background: linear-gradient(135deg, var(--td-cyan) 0%, var(--td-blue) 50%, var(--td-purple) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 24px;
}

.td-hero-desc {
  font-size: 15px;
  line-height: 1.8;
  color: var(--td-text2);
  margin-bottom: 32px;
}
.td-hero-desc strong { color: var(--td-cyan); }

.td-hero-specs {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 36px;
  padding: 16px 20px;
  background: rgba(0,212,255,0.05);
  border: 1px solid var(--td-line);
  border-radius: var(--td-radius);
}
.td-spec { text-align: center; }
.td-spec-label {
  display: block;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--td-cyan);
  margin-bottom: 4px;
}
.td-spec-value {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: var(--td-text);
}
.td-spec-divider {
  width: 1px;
  height: 32px;
  background: var(--td-line);
}

.td-hero-actions {
  display: flex;
  gap: 16px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.td-btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  background: linear-gradient(135deg, var(--td-cyan), var(--td-blue));
  color: #000;
  text-decoration: none;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 700;
  box-shadow: 0 0 24px rgba(0,212,255,0.3);
  transition: transform 160ms, box-shadow 160ms;
}
.td-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 40px rgba(0,212,255,0.5);
}
.td-btn-primary svg { width: 18px; height: 18px; }

.td-btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border: 1px solid var(--td-line);
  color: var(--td-text2);
  text-decoration: none;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 700;
  background: transparent;
  transition: border-color 160ms, color 160ms;
}
.td-btn-ghost:hover {
  border-color: var(--td-cyan);
  color: var(--td-cyan);
}
.td-btn-ghost svg { width: 18px; height: 18px; }

.td-btn-large { padding: 18px 48px; font-size: 16px; }

.td-price-hint {
  font-size: 13px;
  color: var(--td-text2);
}
.td-price-hint strong {
  color: var(--td-cyan);
  font-size: 18px;
}

/* ヒーロー右側モデル */
.td-hero-model {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.td-model-frame {
  position: relative;
  width: 100%;
  max-width: 480px;
  aspect-ratio: 1/1;
  overflow: hidden;
  border: 1px solid var(--td-line);
  border-radius: var(--td-radius);
  background: var(--td-bg2);
}
.td-model-frame img {
  width: 200%;
  height: 100%;
  object-fit: cover;
  object-position: 0% center;
  filter: saturate(0.85) brightness(0.95);
  transform: translateX(0);
}
/* スキャンライン演出 */
.td-model-scan {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 3px,
    rgba(0,212,255,0.03) 3px,
    rgba(0,212,255,0.03) 4px
  );
  pointer-events: none;
}
.td-model-scan::after {
  content: '';
  position: absolute;
  left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--td-cyan), transparent);
  animation: scan-line 3s linear infinite;
}
@keyframes scan-line {
  from { top: 0; opacity: 0.6; }
  to   { top: 100%; opacity: 0; }
}
.td-model-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--td-cyan);
  opacity: 0.6;
}

/* ─── SECTIONS ─── */
.td-section { padding: 80px 40px; }
.td-container { max-width: 1100px; margin: 0 auto; }

.td-section-eyebrow {
  text-align: center;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--td-cyan);
  margin-bottom: 12px;
}
.td-section-title {
  text-align: center;
  font-size: clamp(28px, 5vw, 44px);
  font-weight: 700;
  line-height: 1.3;
  color: var(--td-text);
  margin-bottom: 48px;
}

/* ─── FEATURES ─── */
.td-features { background: var(--td-bg2); }
.td-features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.td-feature-card {
  padding: 32px 24px;
  border: 1px solid var(--td-line);
  border-radius: var(--td-radius);
  background: rgba(0,212,255,0.03);
  transition: border-color 200ms, transform 200ms;
}
.td-feature-card:hover {
  border-color: var(--td-cyan);
  transform: translateY(-3px);
}
.td-feature-icon {
  width: 48px; height: 48px;
  display: grid; place-items: center;
  border: 1px solid var(--td-line);
  border-radius: 10px;
  background: rgba(0,212,255,0.08);
  margin-bottom: 20px;
  color: var(--td-cyan);
}
.td-feature-icon svg { width: 24px; height: 24px; }
.td-feature-card h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--td-text);
  margin-bottom: 10px;
}
.td-feature-card p {
  font-size: 13px;
  line-height: 1.7;
  color: var(--td-text2);
}

/* ─── VIDEO ─── */
.td-video-section { background: var(--td-bg); }
.td-video-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 14px;
}
.td-video-card {
  border-radius: var(--td-radius);
  overflow: hidden;
  border: 1px solid var(--td-line);
  background: var(--td-bg2);
  transition: border-color 200ms, transform 200ms;
}
.td-video-card:hover {
  border-color: var(--td-cyan);
  transform: translateY(-3px);
}
.td-video-wrap {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: #000;
}
.td-video-wrap iframe {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  border: 0;
}
.td-video-caption { padding: 16px; }
.td-video-tag {
  display: inline-block;
  margin-bottom: 8px;
  padding: 3px 10px;
  background: rgba(0,212,255,0.1);
  color: var(--td-cyan);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.1em;
  border-radius: 4px;
}
.td-video-caption h3 {
  font-size: 15px;
  font-weight: 700;
  color: var(--td-text);
  line-height: 1.4;
  margin-bottom: 6px;
}
.td-video-caption p { font-size: 12px; color: var(--td-text2); }
.td-video-featured .td-video-caption h3 { font-size: 18px; }

/* ─── WORKS ─── */
.td-works { background: var(--td-bg3); }
.td-works-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.td-work-card {
  border-radius: var(--td-radius);
  overflow: hidden;
  border: 1px solid var(--td-line);
  background: var(--td-bg2);
  transition: border-color 200ms, transform 200ms;
}
.td-work-card:hover {
  border-color: var(--td-cyan);
  transform: translateY(-3px);
}
.td-work-img {
  position: relative;
  aspect-ratio: 3/4;
  overflow: hidden;
}
.td-work-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  transition: transform 300ms;
  filter: saturate(0.7);
}
.td-work-card:hover .td-work-img img {
  transform: scale(1.04);
  filter: saturate(1);
}
.td-work-overlay {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 8px 12px;
  background: linear-gradient(transparent, rgba(4,13,26,0.9));
}
.td-work-overlay span {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--td-cyan);
}
.td-work-card h3 {
  padding: 12px 14px;
  font-size: 13px;
  font-weight: 700;
  color: var(--td-text);
}

/* ─── PLANS ─── */
.td-plans { background: var(--td-bg); }
.td-plan-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}
.td-plan-card {
  padding: 32px;
  border: 1px solid var(--td-line);
  border-radius: var(--td-radius);
  background: var(--td-bg2);
  position: relative;
  transition: border-color 200ms, transform 200ms;
}
.td-plan-card:hover {
  border-color: var(--td-cyan);
  transform: translateY(-3px);
}
.td-plan-featured {
  border-color: var(--td-cyan);
  background: rgba(0,212,255,0.05);
  box-shadow: 0 0 40px rgba(0,212,255,0.1);
}
.td-plan-badge {
  position: absolute;
  top: -1px; right: 24px;
  padding: 4px 14px;
  background: var(--td-cyan);
  color: #000;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  border-radius: 0 0 8px 8px;
}
.td-plan-type {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--td-cyan);
  margin-bottom: 8px;
}
.td-plan-top h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--td-text);
  margin-bottom: 12px;
}
.td-plan-price {
  font-size: 28px;
  font-weight: 700;
  color: var(--td-text);
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--td-line);
}
.td-plan-price span {
  display: block;
  font-size: 11px;
  font-weight: 400;
  color: var(--td-text2);
  margin-bottom: 4px;
}
.td-plan-card ul {
  list-style: none;
  margin-bottom: 24px;
}
.td-plan-card ul li {
  padding: 8px 0;
  border-bottom: 1px solid var(--td-line);
  font-size: 13px;
  color: var(--td-text2);
}
.td-plan-card ul li::before {
  content: '// ';
  color: var(--td-cyan);
  font-weight: 700;
}
.td-plan-cta {
  display: block;
  padding: 12px;
  text-align: center;
  border: 1px solid var(--td-line);
  border-radius: 8px;
  color: var(--td-cyan);
  text-decoration: none;
  font-size: 13px;
  font-weight: 700;
  background: transparent;
  transition: background 160ms, border-color 160ms;
  cursor: pointer;
}
.td-plan-cta:hover {
  background: rgba(0,212,255,0.1);
  border-color: var(--td-cyan);
}
.td-plan-note {
  text-align: center;
  font-size: 13px;
  color: var(--td-text2);
  padding: 16px;
}
.td-plan-note a {
  color: var(--td-cyan);
  text-decoration: none;
  font-weight: 700;
}

/* ─── PROCESS ─── */
.td-process { background: var(--td-bg2); }
.td-process-grid {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
}
.td-process-step {
  flex: 1;
  min-width: 140px;
  max-width: 180px;
  padding: 24px 16px;
  border: 1px solid var(--td-line);
  border-radius: var(--td-radius);
  background: rgba(0,212,255,0.03);
  text-align: center;
}
.td-process-num {
  display: block;
  font-size: 28px;
  font-weight: 700;
  color: var(--td-cyan);
  margin-bottom: 10px;
  opacity: 0.5;
}
.td-process-step strong {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: var(--td-text);
  margin-bottom: 6px;
}
.td-process-step p {
  font-size: 11px;
  color: var(--td-text2);
  line-height: 1.6;
}
.td-process-arrow {
  font-size: 20px;
  color: var(--td-cyan);
  opacity: 0.4;
  flex-shrink: 0;
}

/* ─── CTA ─── */
.td-cta-section {
  padding: 100px 40px;
  background: var(--td-bg);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.td-cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,212,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}
.td-cta-inner { position: relative; max-width: 600px; margin: 0 auto; }
.td-cta-eyebrow {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--td-cyan);
  margin-bottom: 16px;
}
.td-cta-section h2 {
  font-size: clamp(28px, 5vw, 44px);
  font-weight: 700;
  color: var(--td-text);
  margin-bottom: 16px;
  line-height: 1.4;
}
.td-cta-section p {
  font-size: 15px;
  color: var(--td-text2);
  line-height: 1.8;
  margin-bottom: 32px;
}
.td-cta-note {
  margin-top: 16px;
  font-size: 12px;
  color: var(--td-text2);
  margin-bottom: 0 !important;
}

/* ─── FOOTER ─── */
.td-footer {
  padding: 40px;
  background: rgba(0,0,0,0.5);
  border-top: 1px solid var(--td-line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}
.td-footer-links {
  display: flex;
  gap: 24px;
}
.td-footer-links a {
  text-decoration: none;
  color: var(--td-text2);
  font-size: 13px;
  font-weight: 700;
  transition: color 160ms;
}
.td-footer-links a:hover { color: var(--td-cyan); }

/* ─── RESPONSIVE ─── */
@media (max-width: 1024px) {
  .td-hero { grid-template-columns: 1fr; padding: 80px 40px; }
  .td-hero-model { display: none; }
  .td-features-grid { grid-template-columns: repeat(2, 1fr); }
  .td-works-grid { grid-template-columns: repeat(2, 1fr); }
  .td-plan-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto 24px; }
}
@media (max-width: 768px) {
  .td-header { padding: 0 20px; }
  .td-nav { gap: 14px; }
  .td-nav a:not(.td-nav-cta):not(.is-current) { display: none; }
  .td-section { padding: 60px 20px; }
  .td-video-grid { grid-template-columns: 1fr; }
  .td-video-featured { grid-column: auto; }
  .td-features-grid { grid-template-columns: 1fr; }
  .td-process-grid { flex-direction: column; }
  .td-process-arrow { transform: rotate(90deg); }
  .td-process-step { max-width: 100%; }
  .td-footer { padding: 32px 20px; flex-direction: column; align-items: flex-start; }
}


/* ═══ 3D WORKS GRID ADDITIONS ═══ */
.td-section-desc {
  text-align: center;
  color: var(--td-text2);
  font-size: 0.95rem;
  margin-bottom: 2.5rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.td-works-grid-actual {
  grid-template-columns: repeat(2, 1fr) !important;
}

.td-work-card-wide {
  grid-column: 1 / -1;
}

.td-work-img-wide {
  aspect-ratio: 16/9 !important;
}

.td-video-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  margin-top: 2rem;
  padding: 1.5rem 2rem;
  border-radius: 8px;
  background: rgba(0, 212, 255, 0.05);
  border: 1px solid rgba(0, 212, 255, 0.15);
}

.td-video-cta p {
  margin: 0;
  color: var(--td-text2);
  font-size: 0.95rem;
  font-weight: 600;
}

@media (max-width: 768px) {
  .td-works-grid-actual {
    grid-template-columns: 1fr !important;
  }
  .td-work-card-wide {
    grid-column: auto;
  }
  .td-video-cta {
    flex-direction: column;
    align-items: flex-start;
  }
}