/* ============================================================
   Digital Front LP — style.css
   ============================================================ */

/* ---------- CSS Variables ---------- */
:root {
  --primary:       #1a73e8;
  --primary-dark:  #0d5dbf;
  --primary-light: #4a90e8;
  --accent:        #ff4136;
  --accent2:       #ff8800;
  --dark:          #0d1117;
  --dark2:         #161b22;
  --gray-900:      #1a1a2e;
  --gray-700:      #4a4a6a;
  --gray-400:      #9ca3af;
  --gray-100:      #f3f4f6;
  --white:         #ffffff;
  --success:       #22c55e;
  --font-main:     'Noto Sans JP', sans-serif;
  --font-num:      'Inter', sans-serif;
  --radius-sm:     6px;
  --radius:        12px;
  --radius-lg:     20px;
  --shadow-sm:     0 2px 8px rgba(0,0,0,.08);
  --shadow:        0 4px 24px rgba(0,0,0,.12);
  --shadow-lg:     0 8px 48px rgba(0,0,0,.18);
  --transition:    .3s cubic-bezier(.4,0,.2,1);
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-main);
  color: var(--dark);
  background: var(--white);
  line-height: 1.7;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ---------- Utility ---------- */
.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}
.sp-only { display: none; }
@media (max-width: 768px) { .sp-only { display: inline; } }

/* ---------- Scroll Animation ---------- */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .7s ease, transform .7s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   HEADER
   ============================================================ */
#site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0,0,0,.08);
  transition: var(--transition);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.site-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: -.02em;
}
.logo-icon { color: var(--primary); font-size: 1.3rem; }
.logo-accent { color: var(--primary); }
.header-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: .9rem;
  font-weight: 500;
}
.header-nav a { color: var(--gray-700); transition: color var(--transition); }
.header-nav a:hover { color: var(--primary); }
.btn-header-cta {
  background: var(--primary);
  color: var(--white) !important;
  padding: 8px 20px;
  border-radius: 50px;
  font-weight: 700;
  font-size: .85rem;
  transition: background var(--transition), transform var(--transition);
}
.btn-header-cta:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
}
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  padding: 4px;
}
.hamburger span {
  display: block;
  height: 2px;
  background: var(--dark);
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

/* Mobile Nav */
.mobile-nav {
  display: none;
  position: fixed;
  top: 64px; left: 0; right: 0;
  background: var(--white);
  border-bottom: 1px solid rgba(0,0,0,.08);
  padding: 16px 24px 24px;
  flex-direction: column;
  gap: 16px;
  z-index: 999;
  box-shadow: var(--shadow);
}
.mobile-nav.open { display: flex; }
.mobile-nav a { font-size: 1rem; font-weight: 600; color: var(--gray-700); padding: 8px 0; }
.btn-mobile-cta {
  background: var(--primary);
  color: var(--white) !important;
  text-align: center;
  padding: 14px;
  border-radius: var(--radius);
  font-weight: 700;
  margin-top: 8px;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: var(--white);
  padding: 18px 36px;
  border-radius: 50px;
  font-weight: 800;
  font-size: 1rem;
  letter-spacing: .02em;
  box-shadow: 0 4px 24px rgba(26,115,232,.4);
  transition: transform var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
}
.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,.15), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}
.btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 8px 32px rgba(26,115,232,.5);
}
.btn-primary:hover::before { opacity: 1; }
.btn-arrow { margin-left: 4px; transition: transform var(--transition); }
.btn-primary:hover .btn-arrow { transform: translateX(4px); }

/* ============================================================
   SECTION COMMON
   ============================================================ */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(26,115,232,.08);
  color: var(--primary);
  font-weight: 700;
  font-size: .8rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 50px;
  margin-bottom: 20px;
}
.section-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 900;
  line-height: 1.3;
  letter-spacing: -.03em;
  margin-bottom: 48px;
  color: var(--dark);
}
.title-accent { color: var(--primary); }

/* ============================================================
   HERO
   ============================================================ */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, #0d1117 0%, #1a2340 50%, #0d2355 100%);
  overflow: hidden;
  padding-top: 64px;
}
.hero-bg-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 60% at 70% 30%, rgba(26,115,232,.25) 0%, transparent 60%),
    radial-gradient(ellipse 40% 50% at 10% 80%, rgba(74,144,232,.15) 0%, transparent 50%);
  pointer-events: none;
}
.hero-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.particle {
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,.12);
  animation: float-particle linear infinite;
}
@keyframes float-particle {
  from { transform: translateY(100vh) rotate(0deg); opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  to { transform: translateY(-10vh) rotate(720deg); opacity: 0; }
}
.hero-inner {
  position: relative;
  z-index: 1;
  padding: 80px 24px 120px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.2);
  color: rgba(255,255,255,.9);
  padding: 8px 18px;
  border-radius: 50px;
  font-size: .85rem;
  font-weight: 600;
  margin-bottom: 28px;
  backdrop-filter: blur(8px);
}
.hero-badge i { color: var(--accent2); }
.hero-badge strong { color: var(--accent2); }
.hero-title {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -.04em;
  color: var(--white);
  margin-bottom: 28px;
}
.highlight-number {
  font-family: var(--font-num);
  color: var(--accent2);
  font-size: clamp(2.8rem, 8vw, 5rem);
  text-shadow: 0 0 40px rgba(255,136,0,.5);
  display: inline-block;
  line-height: 1;
}
.percent { font-size: .6em; }
.up-text {
  font-size: .7em;
  background: var(--accent2);
  color: var(--white);
  padding: 2px 10px;
  border-radius: 6px;
  margin-left: 4px;
  vertical-align: middle;
}
.hero-subtitle-line {
  display: block;
  margin-top: 8px;
  font-size: .75em;
  color: rgba(255,255,255,.9);
}
.hero-subtitle-line em {
  font-style: normal;
  color: var(--accent2);
  background: rgba(255,136,0,.12);
  padding: 2px 12px;
  border-radius: 6px;
}
.hero-desc {
  font-size: 1.1rem;
  color: rgba(255,255,255,.8);
  line-height: 1.8;
  margin-bottom: 40px;
  max-width: 640px;
}
.hero-desc strong { color: var(--white); }
.hero-cta-wrap {
  margin-bottom: 56px;
}
.btn-hero-cta {
  font-size: 1rem;
  padding: 20px 40px;
  background: linear-gradient(135deg, var(--accent2), #ff6600);
  box-shadow: 0 4px 32px rgba(255,136,0,.5);
}
.btn-hero-cta:hover {
  box-shadow: 0 8px 48px rgba(255,136,0,.6);
}
.hero-cta-note {
  margin-top: 12px;
  font-size: .82rem;
  color: rgba(255,255,255,.55);
}
.hero-cta-note i { margin-right: 4px; color: var(--success); }
.hero-stats {
  display: flex;
  align-items: center;
  gap: 0;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius-lg);
  padding: 24px 32px;
  backdrop-filter: blur(8px);
  max-width: 560px;
}
.stat-item {
  flex: 1;
  text-align: center;
}
.stat-num {
  display: block;
  font-family: var(--font-num);
  font-size: 2rem;
  font-weight: 900;
  color: var(--white);
  line-height: 1;
  margin-bottom: 6px;
}
.stat-unit { font-size: .6em; color: rgba(255,255,255,.7); }
.stat-label {
  font-size: .75rem;
  color: rgba(255,255,255,.5);
}
.stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,.15);
  margin: 0 16px;
}
.hero-scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,.4);
  font-size: .7rem;
  letter-spacing: .15em;
}
.scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, rgba(255,255,255,.4), transparent);
  animation: scroll-line 2s ease-in-out infinite;
}
@keyframes scroll-line {
  0%,100% { transform: scaleY(1); opacity: 1; }
  50% { transform: scaleY(.5); opacity: .5; }
}

/* ============================================================
   PAIN POINTS
   ============================================================ */
.section-pain {
  padding: 100px 0;
  background: var(--gray-100);
}
.pain-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}
.pain-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px 28px;
  box-shadow: var(--shadow-sm);
  border-top: 4px solid var(--accent);
  transition: transform var(--transition), box-shadow var(--transition);
}
.pain-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}
.pain-icon {
  font-size: 2rem;
  color: var(--accent);
  margin-bottom: 16px;
}
.pain-text {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--gray-700);
}
.pain-text strong { color: var(--dark); }
.pain-solution {
  text-align: center;
}
.arrow-down {
  font-size: 2rem;
  color: var(--primary);
  margin-bottom: 20px;
  animation: bounce 1.5s ease-in-out infinite;
}
@keyframes bounce {
  0%,100% { transform: translateY(0); }
  50% { transform: translateY(8px); }
}
.solution-box {
  display: inline-block;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: var(--white);
  padding: 32px 48px;
  border-radius: var(--radius-lg);
  box-shadow: 0 4px 32px rgba(26,115,232,.35);
}
.solution-label {
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .12em;
  opacity: .8;
  margin-bottom: 8px;
}
.solution-text {
  font-size: 1.3rem;
  font-weight: 900;
  line-height: 1.5;
}
.solution-text strong { color: var(--accent2); }

/* ============================================================
   PROOF
   ============================================================ */
.section-proof {
  padding: 100px 0;
  background: var(--white);
}
.proof-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

/* GA4 Mockup */
.ga4-mockup {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 2px 40px rgba(0,0,0,.12);
  overflow: hidden;
  border: 1px solid #e8eaed;
  position: relative;
}
.ga4-mockup::before {
  content: 'Google Analytics 4 — 実際のデータ';
  display: block;
  position: absolute;
  top: 0; right: 0;
  background: var(--accent);
  color: #fff;
  font-size: .7rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 0 12px 0 8px;
  z-index: 10;
}
.ga4-header {
  background: #f8f9fa;
  border-bottom: 1px solid #e8eaed;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.ga4-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .85rem;
  font-weight: 700;
  color: #3c4043;
}
.ga4-logo i { color: #4285f4; font-size: 1.1rem; }
.ga4-account { font-size: .8rem; color: #5f6368; font-weight: 500; }
.ga4-body { padding: 20px; }
.ga4-title-row {
  font-size: 1.1rem;
  font-weight: 700;
  color: #202124;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid #1a73e8;
  display: inline-block;
}
.ga4-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}
.ga4-metric-card {
  background: #f8f9fa;
  border-radius: 8px;
  padding: 14px;
  position: relative;
  border: 1px solid #e8eaed;
}
.ga4-metric-card.highlighted {
  border-color: #1a73e8;
  background: rgba(26,115,232,.04);
}
.ga4-metric-label {
  display: block;
  font-size: .72rem;
  color: #1a73e8;
  font-weight: 600;
  margin-bottom: 4px;
}
.ga4-metric-value {
  display: block;
  font-family: var(--font-num);
  font-size: 1.6rem;
  font-weight: 900;
  color: #202124;
  line-height: 1;
  margin-bottom: 4px;
}
.ga4-metric-value.small-v { font-size: .9rem; padding-top: 4px; }
.ga4-metric-change {
  display: block;
  font-size: .78rem;
  font-weight: 600;
}
.ga4-metric-change.up { color: #188038; }
.ga4-metric-change.up i { margin-right: 2px; }
.red-badge {
  position: absolute;
  top: -8px; right: -8px;
  background: var(--accent);
  color: #fff;
  font-size: .62rem;
  font-weight: 800;
  padding: 3px 8px;
  border-radius: 50px;
  white-space: nowrap;
  box-shadow: 0 2px 8px rgba(229,57,53,.4);
  animation: pulse-badge 2s ease-in-out infinite;
}
@keyframes pulse-badge {
  0%,100% { transform: scale(1); }
  50% { transform: scale(1.08); }
}
.ga4-chart { margin-bottom: 16px; }
.ga4-chart-label {
  font-size: .75rem;
  color: #5f6368;
  font-weight: 600;
  margin-bottom: 8px;
}
.ga4-chart-visual { background: #fafafa; border-radius: 8px; padding: 8px 4px; }
.chart-svg { width: 100%; height: auto; display: block; }
.ga4-legend {
  display: flex;
  gap: 16px;
  font-size: .7rem;
  color: #5f6368;
  margin-top: 6px;
}
.legend-solid { color: #1a73e8; font-weight: 600; }
.legend-dashed { color: #aaa; }
.ga4-realtime {
  background: #f8f9fa;
  border-radius: 8px;
  padding: 12px 16px;
  border: 1px solid #e8eaed;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.realtime-label { font-size: .72rem; color: #5f6368; flex: 1; min-width: 120px; }
.realtime-num {
  font-family: var(--font-num);
  font-size: 1.8rem;
  font-weight: 900;
  color: #202124;
}
.realtime-country { font-size: .78rem; color: #5f6368; }
.proof-image-note {
  font-size: .72rem;
  color: var(--gray-400);
  text-align: center;
  margin-top: 8px;
}

/* Proof text */
.proof-text-wrap { padding-top: 12px; }
.proof-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, #fff8e1, #fff3cd);
  border: 1px solid #ffd54f;
  color: #e65100;
  font-weight: 700;
  font-size: .82rem;
  padding: 8px 16px;
  border-radius: 50px;
  margin-bottom: 20px;
}
.proof-badge i { color: #ffa000; }
.proof-desc {
  font-size: 1.05rem;
  line-height: 1.9;
  color: var(--gray-700);
  margin-bottom: 28px;
}
.proof-desc strong { color: var(--dark); }
.proof-list {
  margin-bottom: 36px;
}
.proof-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--gray-100);
  font-size: .95rem;
}
.proof-list li i { color: var(--success); flex-shrink: 0; }
.accent-num { color: var(--accent); font-weight: 900; font-family: var(--font-num); }

/* ============================================================
   WHY US
   ============================================================ */
.section-why {
  padding: 100px 0;
  background: var(--gray-100);
}
.why-comparison {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 24px;
  align-items: center;
  margin-bottom: 48px;
}
.compare-box {
  background: var(--white);
  border-radius: var(--radius);
  padding: 36px 32px;
  box-shadow: var(--shadow-sm);
}
.compare-box.old {
  border-top: 4px solid var(--gray-400);
  opacity: .75;
}
.compare-box.new {
  border-top: 4px solid var(--primary);
  background: linear-gradient(135deg, rgba(26,115,232,.03), rgba(26,115,232,.06));
  box-shadow: var(--shadow);
}
.compare-icon {
  font-size: 2rem;
  margin-bottom: 12px;
}
.compare-box.old .compare-icon { color: var(--gray-400); }
.compare-box.new .compare-icon { color: var(--success); }
.compare-box h3 {
  font-size: 1.1rem;
  font-weight: 800;
  margin-bottom: 20px;
  color: var(--dark);
}
.compare-box ul li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  font-size: .92rem;
  color: var(--gray-700);
  border-bottom: 1px solid var(--gray-100);
}
.compare-box.old li i { color: var(--accent); }
.compare-box.new li i { color: var(--success); }
.compare-vs {
  font-family: var(--font-num);
  font-size: 1.3rem;
  font-weight: 900;
  color: var(--gray-400);
  text-align: center;
  width: 48px;
}
.why-point {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: var(--radius-lg);
  padding: 36px 40px;
  color: var(--white);
}
.why-point-inner {
  display: flex;
  align-items: flex-start;
  gap: 20px;
}
.why-point-inner > i {
  font-size: 2.5rem;
  color: var(--accent2);
  flex-shrink: 0;
  margin-top: 4px;
}
.why-point-inner p {
  font-size: 1.05rem;
  line-height: 1.8;
  color: rgba(255,255,255,.9);
}
.why-point-inner p strong { color: var(--accent2); }

/* ============================================================
   SERVICES
   ============================================================ */
.section-services {
  padding: 100px 0;
  background: var(--white);
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.service-card {
  background: var(--white);
  border: 1px solid #e8eaed;
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  position: relative;
  transition: transform var(--transition), box-shadow var(--transition);
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--primary-light));
}
.service-card.featured {
  border-color: var(--primary);
  box-shadow: 0 4px 32px rgba(26,115,232,.15);
  background: linear-gradient(135deg, rgba(26,115,232,.02), rgba(26,115,232,.05));
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.service-featured-badge {
  position: absolute;
  top: 16px; right: 16px;
  background: var(--primary);
  color: var(--white);
  font-size: .7rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 50px;
  letter-spacing: .05em;
}
.service-icon-wrap {
  width: 60px; height: 60px;
  background: rgba(26,115,232,.1);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--primary);
  margin-bottom: 12px;
}
.service-number {
  font-family: var(--font-num);
  font-size: .75rem;
  font-weight: 700;
  color: var(--gray-400);
  letter-spacing: .1em;
  margin-bottom: 10px;
}
.service-title {
  font-size: 1.15rem;
  font-weight: 800;
  line-height: 1.4;
  margin-bottom: 14px;
  color: var(--dark);
}
.service-desc {
  font-size: .88rem;
  color: var(--gray-700);
  line-height: 1.7;
  margin-bottom: 20px;
}
.service-points li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .83rem;
  color: var(--gray-700);
  padding: 6px 0;
  border-bottom: 1px solid var(--gray-100);
}
.service-points li i { color: var(--primary); flex-shrink: 0; }

/* ============================================================
   FAQ
   ============================================================ */
.section-faq {
  padding: 100px 0;
  background: var(--gray-100);
}
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq-item {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid transparent;
  transition: border-color var(--transition);
}
.faq-item:has(.faq-question[aria-expanded="true"]) {
  border-color: var(--primary);
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 22px 24px;
  font-size: .98rem;
  font-weight: 700;
  color: var(--dark);
  text-align: left;
  transition: background var(--transition);
}
.faq-question:hover { background: rgba(26,115,232,.03); }
.faq-q-label {
  width: 30px; height: 30px;
  background: var(--primary);
  color: var(--white);
  font-weight: 900;
  font-size: .85rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.faq-icon {
  margin-left: auto;
  color: var(--primary);
  flex-shrink: 0;
  transition: transform var(--transition);
  font-size: .85rem;
}
.faq-question[aria-expanded="true"] .faq-icon { transform: rotate(45deg); }
.faq-answer {
  border-top: 1px solid var(--gray-100);
  padding: 0 24px 0 70px;
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s ease, padding .4s ease;
}
.faq-answer:not([hidden]) {
  max-height: 600px;
  padding: 20px 24px 24px 70px;
}
.faq-a-label {
  display: inline-block;
  width: 30px; height: 30px;
  background: rgba(26,115,232,.1);
  color: var(--primary);
  font-weight: 900;
  font-size: .85rem;
  border-radius: 50%;
  text-align: center;
  line-height: 30px;
  margin-bottom: 12px;
  float: left;
  margin-right: 14px;
}
.faq-answer-text { overflow: hidden; }
.faq-answer-text p {
  font-size: .93rem;
  color: var(--gray-700);
  line-height: 1.8;
  margin-bottom: 12px;
}
.faq-answer-text p:last-child { margin-bottom: 0; }
.faq-answer-text strong { color: var(--dark); }

/* ============================================================
   FINAL CTA
   ============================================================ */
.section-cta-final {
  position: relative;
  padding: 120px 0;
  background: linear-gradient(135deg, #0d1117, #1a2340, #0d2355);
  overflow: hidden;
  text-align: center;
}
.cta-bg-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 60% at 50% 50%, rgba(26,115,232,.3) 0%, transparent 70%);
  pointer-events: none;
}
.cta-inner { position: relative; z-index: 1; }
.cta-icon {
  font-size: 3rem;
  color: var(--accent2);
  margin-bottom: 16px;
  animation: pulse-icon 2s ease-in-out infinite;
}
@keyframes pulse-icon {
  0%,100% { transform: scale(1); }
  50% { transform: scale(1.1); }
}
.cta-urgency {
  font-size: 1.1rem;
  color: rgba(255,255,255,.7);
  margin-bottom: 20px;
  font-weight: 500;
}
.cta-title {
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 900;
  color: var(--white);
  line-height: 1.3;
  letter-spacing: -.03em;
  margin-bottom: 28px;
}
.cta-accent { color: var(--accent2); }
.cta-desc {
  font-size: 1rem;
  color: rgba(255,255,255,.65);
  margin-bottom: 48px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.8;
}
.cta-btn-wrap { margin-bottom: 36px; }
.btn-cta-large {
  font-size: 1.15rem;
  padding: 22px 52px;
  background: linear-gradient(135deg, var(--accent2), #ff6600);
  box-shadow: 0 6px 40px rgba(255,136,0,.5);
}
.btn-cta-large:hover {
  box-shadow: 0 10px 56px rgba(255,136,0,.65);
}
.cta-note {
  margin-top: 16px;
  font-size: .82rem;
  color: rgba(255,255,255,.45);
}
.cta-note i { margin: 0 2px; }
.cta-company {
  font-size: .85rem;
  color: rgba(255,255,255,.4);
}
.cta-company a { color: rgba(255,255,255,.6); text-decoration: underline; }

/* ============================================================
   FOOTER
   ============================================================ */
#site-footer {
  background: var(--dark2);
  padding: 48px 0 32px;
  color: rgba(255,255,255,.5);
}
.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  text-align: center;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.1rem;
  font-weight: 800;
  color: rgba(255,255,255,.9);
}
.footer-nav {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  justify-content: center;
  font-size: .85rem;
}
.footer-nav a { transition: color var(--transition); }
.footer-nav a:hover { color: var(--white); }
.footer-copy { font-size: .78rem; }

/* ============================================================
   FLOATING CTA
   ============================================================ */
.floating-cta {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .4s ease, transform .4s ease;
  pointer-events: none;
}
.floating-cta.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: all;
}
.floating-cta-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(135deg, var(--accent2), #ff6600);
  color: var(--white);
  padding: 14px 24px;
  border-radius: 50px;
  font-weight: 700;
  font-size: .9rem;
  box-shadow: 0 4px 24px rgba(255,136,0,.45);
  transition: transform var(--transition), box-shadow var(--transition);
}
.floating-cta-btn:hover {
  transform: translateY(-2px) scale(1.03);
  box-shadow: 0 8px 32px rgba(255,136,0,.55);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .proof-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .why-comparison {
    grid-template-columns: 1fr;
  }
  .compare-vs { display: none; }
}

@media (max-width: 768px) {
  .header-nav { display: none; }
  .hamburger { display: flex; }

  .hero-inner { padding: 60px 24px 80px; }
  .hero-stats {
    gap: 0;
    padding: 20px 16px;
  }
  .stat-num { font-size: 1.5rem; }
  .stat-divider { margin: 0 10px; }

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

  .ga4-metrics { grid-template-columns: 1fr 1fr; }

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

  .btn-hero-cta,
  .btn-cta-large {
    font-size: .9rem;
    padding: 16px 24px;
    text-align: center;
    justify-content: center;
    width: 100%;
  }

  .hero-stats { flex-direction: column; gap: 16px; }
  .stat-divider { width: 80%; height: 1px; margin: 0 auto; }

  .why-point-inner { flex-direction: column; }
  .why-point-inner > i { margin-top: 0; }

  .faq-answer:not([hidden]) { padding-left: 24px; }

  .floating-cta { bottom: 16px; right: 16px; }
  .floating-cta-btn span { display: none; }
  .floating-cta-btn { padding: 14px 16px; border-radius: 50%; }
}

@media (max-width: 480px) {
  .section-title { font-size: 1.7rem; }
  .hero-title { font-size: 1.8rem; }
  .highlight-number { font-size: 3rem; }
  .solution-box { padding: 24px 28px; }
  .solution-text { font-size: 1.1rem; }
  .ga4-metrics { grid-template-columns: 1fr; }
}