/* ===========================
   TOP Page Styles
=========================== */

/* ── Hero ── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  background: linear-gradient(160deg, var(--color-navy) 0%, #0A1D4F 50%, #071440 100%);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(74,127,212,0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(74,127,212,0.07) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at 50% 40%, black 30%, transparent 70%);
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
}

.hero-orb-1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(35,81,163,0.5) 0%, transparent 70%);
  top: -100px;
  right: -100px;
}

.hero-orb-2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(74,127,212,0.3) 0%, transparent 70%);
  bottom: -80px;
  left: 10%;
}

.hero-content {
  position: relative;
  z-index: 1;
  padding-top: 100px;
  padding-bottom: 80px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px;
  border: 1px solid rgba(74,127,212,0.4);
  border-radius: 100px;
  margin-bottom: 36px;
  font-size: 12px;
  color: rgba(255,255,255,0.7);
  letter-spacing: 0.08em;
  background: rgba(74,127,212,0.1);
  backdrop-filter: blur(8px);
}

.hero-badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-accent-glow);
  box-shadow: 0 0 0 3px rgba(107,159,228,0.3);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 3px rgba(107,159,228,0.3); }
  50% { box-shadow: 0 0 0 6px rgba(107,159,228,0.1); }
}

.hero-headline {
  font-size: clamp(36px, 6vw, 72px);
  font-weight: 700;
  color: var(--color-white);
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 28px;
}

.hero-headline em {
  font-style: normal;
  background: linear-gradient(135deg, #7EB6FF 0%, #B4D4FF 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 17px;
  color: rgba(255,255,255,0.65);
  line-height: 1.85;
  margin-bottom: 44px;
  max-width: 520px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.pc-only { display: inline; }

.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  color: rgba(255,255,255,0.35);
  font-size: 10px;
  font-family: var(--font-en);
  letter-spacing: 0.15em;
  z-index: 1;
}

.hero-scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, transparent, rgba(255,255,255,0.35));
  animation: scrollLine 2s ease-in-out 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; }
}

/* ── Philosophy ── */
.philosophy { background: var(--color-white); }

.philosophy-inner {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 80px;
  align-items: center;
}

.philosophy-body {
  font-size: 15px;
  color: var(--color-text-muted);
  line-height: 1.9;
  margin-top: 20px;
}

.philosophy-visual {
  display: flex;
  justify-content: center;
}

.philosophy-card {
  width: 260px;
  height: 260px;
  background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-mid) 100%);
  border-radius: var(--radius-xl);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.philosophy-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 70% 30%, rgba(74,127,212,0.35) 0%, transparent 60%);
}

.philosophy-card-icon {
  font-size: 32px;
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: 0.05em;
  position: relative;
}

.philosophy-card-label {
  font-size: 13px;
  color: rgba(255,255,255,0.6);
  text-align: center;
  line-height: 1.7;
  position: relative;
}

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

.service-card {
  background: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

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

.service-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

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

.service-card-num {
  font-size: 12px;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: 0.1em;
  margin-bottom: 20px;
}

.service-card-icon {
  width: 56px;
  height: 56px;
  background: var(--color-surface);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-navy);
  margin-bottom: 20px;
  transition: background var(--transition);
}

.service-card:hover .service-card-icon {
  background: var(--color-navy);
  color: var(--color-white);
}

.service-card-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 14px;
  line-height: 1.5;
}

.service-card-body {
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.85;
}

/* ── CTA ── */
.cta-section {
  background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-mid) 100%);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 80% 50%, rgba(74,127,212,0.25) 0%, transparent 60%);
}

.cta-inner {
  position: relative;
  text-align: center;
}

.cta-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-accent-glow);
  margin-bottom: 20px;
}

.cta-title {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 20px;
  line-height: 1.4;
}

.cta-body {
  font-size: 16px;
  color: rgba(255,255,255,0.6);
  margin-bottom: 40px;
}

/* ── Responsive ── */
@media (max-width: 960px) {
  .philosophy-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .philosophy-visual { order: -1; }
  .services-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }
}

@media (max-width: 768px) {
  .hero-headline { font-size: clamp(32px, 8vw, 48px); }
  .pc-only { display: none; }
  .hero-actions { flex-direction: column; align-items: flex-start; }
  .philosophy-card { width: 200px; height: 200px; }
  .hero-scroll { display: none; }
}