/* =========================================
   SHITEN AX — Global Styles
   ========================================= */

:root {
  --black: #050507;
  --surface: #0c0c10;
  --surface-2: #13131a;
  --surface-3: #1c1c26;
  --border: rgba(255,255,255,0.07);
  --border-light: rgba(255,255,255,0.12);
  --white: #ffffff;
  --white-60: rgba(255,255,255,0.6);
  --white-30: rgba(255,255,255,0.3);
  --accent: #6c63ff;
  --accent-2: #a78bfa;
  --accent-glow: rgba(108, 99, 255, 0.35);
  --accent-subtle: rgba(108, 99, 255, 0.08);
  --green: #22d3a5;
  --red-dim: rgba(255,80,80,0.15);
  --font-main: 'Inter', 'Noto Sans JP', sans-serif;
  --radius: 16px;
  --radius-sm: 8px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  background: var(--black);
  color: var(--white);
  font-family: var(--font-main);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

/* =========================================
   UTILS
   ========================================= */
.container {
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

.hidden { display: none !important; }

/* =========================================
   NAVIGATION
   ========================================= */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: transparent;
  transition: background var(--transition), backdrop-filter var(--transition), border-color var(--transition);
  border-bottom: 1px solid transparent;
}

.nav.scrolled {
  background: rgba(5, 5, 7, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-color: var(--border);
}

.nav-inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: 0.04em;
}
.nav-logo-shiten { color: var(--white); }
.nav-logo-ax { color: var(--accent); margin-left: 4px; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--white-60);
  transition: color var(--transition);
  letter-spacing: 0.02em;
}
.nav-links a:hover { color: var(--white); }

.nav-cta {
  background: var(--accent);
  color: var(--white) !important;
  padding: 8px 20px;
  border-radius: 100px;
  font-size: 0.82rem !important;
  font-weight: 600 !important;
  transition: background var(--transition), box-shadow var(--transition) !important;
}
.nav-cta:hover {
  background: var(--accent-2) !important;
  box-shadow: 0 0 20px var(--accent-glow);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  display: none;
  flex-direction: column;
  background: rgba(5,5,7,0.97);
  border-top: 1px solid var(--border);
  padding: 16px 24px 24px;
  gap: 0;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  padding: 14px 0;
  font-size: 1rem;
  font-weight: 500;
  color: var(--white-60);
  border-bottom: 1px solid var(--border);
  transition: color var(--transition);
}
.mobile-menu a:last-child { border-bottom: none; }
.mobile-menu a:hover { color: var(--white); }

/* =========================================
   HERO
   ========================================= */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 100px 24px 80px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 60px 60px;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.5;
}
.orb-1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, #6c63ff 0%, transparent 70%);
  top: -200px; left: -100px;
  animation: float1 8s ease-in-out infinite;
}
.orb-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, #a78bfa 0%, transparent 70%);
  top: 40%; right: -100px;
  animation: float2 10s ease-in-out infinite;
}
.orb-3 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, #22d3a5 0%, transparent 70%);
  bottom: 0; left: 40%;
  animation: float3 12s ease-in-out infinite;
  opacity: 0.2;
}

@keyframes float1 {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(40px, 60px); }
}
@keyframes float2 {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(-30px, -40px); }
}
@keyframes float3 {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(20px, -30px); }
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 1160px;
  margin: 0 auto;
  width: 100%;
}

.hero-eyebrow {
  margin-bottom: 24px;
}
.tag-line {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--accent-2);
  text-transform: uppercase;
  background: var(--accent-subtle);
  border: 1px solid rgba(108,99,255,0.2);
  padding: 6px 14px;
  border-radius: 100px;
}

.hero-title {
  font-size: clamp(2.8rem, 7vw, 6rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 28px;
}
.hero-title .em { color: var(--white-60); font-weight: 300; }
.hero-title .accent { color: var(--accent); }

.hero-sub {
  font-size: clamp(1rem, 1.5vw, 1.2rem);
  color: var(--white-60);
  margin-bottom: 32px;
  font-weight: 400;
  line-height: 1.7;
  max-width: 560px;
}
.hero-sub-accent {
  color: var(--accent);
  font-weight: 500;
}

.hero-badges {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}
.badge-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 22px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.15);
  background: rgba(255,255,255,0.10);
  height: 64px;
  box-sizing: border-box;
}
.badge-logo-img {
  display: block;
  object-fit: contain;
  height: 26px;
  width: auto;
}
.badge-gws-text {
  font-family: 'Arial', sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  white-space: nowrap;
  letter-spacing: -0.01em;
}
.badge-logo-ms-svg {
  width: 26px;
  height: 26px;
  flex-shrink: 0;
}
.badge-logo-lw-svg {
  height: 28px;
  width: 140px;
  display: block;
}
.badge-logo-label {
  font-size: 0.84rem;
  font-weight: 600;
  color: rgba(255,255,255,0.85);
  white-space: nowrap;
}

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

.hero-scroll-hint {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--white-30);
  z-index: 1;
}
.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--white-30), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: 1; transform: scaleY(1); }
  50% { opacity: 0.3; transform: scaleY(0.6); }
}

/* =========================================
   BUTTONS
   ========================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 100px;
  font-size: 0.925rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: all var(--transition);
  cursor: pointer;
  border: none;
  font-family: var(--font-main);
}

.btn-primary {
  background: var(--accent);
  color: var(--white);
}
.btn-primary:hover {
  background: var(--accent-2);
  box-shadow: 0 8px 32px var(--accent-glow);
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  color: var(--white-60);
  border: 1px solid var(--border-light);
}
.btn-ghost:hover {
  color: var(--white);
  border-color: var(--white-30);
  background: var(--surface-2);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 1px solid var(--border-light);
  width: 100%;
}
.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-subtle);
}

.btn-submit {
  width: 100%;
  padding: 18px;
  font-size: 1rem;
  margin-top: 8px;
}

/* =========================================
   SECTIONS COMMON
   ========================================= */
.section {
  padding: 120px 0;
  position: relative;
}

.section-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.25em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 20px;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.025em;
  margin-bottom: 24px;
}

.section-lead {
  font-size: 1.05rem;
  color: var(--white-60);
  line-height: 1.8;
  margin-bottom: 64px;
  max-width: 640px;
}

/* =========================================
   PROBLEM
   ========================================= */
.problem { background: var(--surface); }
.problem .section-lead { margin-bottom: 56px; }

.compare-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 64px;
}

.compare-card {
  position: relative;
  padding: 40px 36px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
}

.compare-card--before {
  background: var(--surface-2);
}

.compare-card--after {
  background: linear-gradient(135deg, rgba(108,99,255,0.1) 0%, rgba(167,139,250,0.05) 100%);
  border-color: rgba(108,99,255,0.3);
}

.compare-tag {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--white-30);
  text-transform: uppercase;
  margin-bottom: 20px;
}
.compare-tag--accent { color: var(--accent-2); }

.compare-card h3 {
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 24px;
}

.compare-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.compare-list li {
  font-size: 0.9rem;
  padding-left: 22px;
  position: relative;
  line-height: 1.5;
}
.compare-list li.negative { color: var(--white-60); }
.compare-list li.negative::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--white-30);
}
.compare-list li.positive { color: var(--white); }
.compare-list li.positive::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--green);
  font-weight: 700;
}

.compare-badge-x, .compare-badge-check {
  position: absolute;
  bottom: -10px; right: -10px;
  font-size: 4rem;
  font-weight: 900;
  opacity: 0.06;
  line-height: 1;
}
.compare-badge-x { color: #ff5050; }
.compare-badge-check { color: var(--green); }

.hero-quote {
  background: var(--surface-3);
  border-left: 3px solid var(--accent);
  padding: 28px 36px;
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--white-60);
  font-style: italic;
}

/* =========================================
   ARCHITECTURE
   ========================================= */
.architecture {
  background: var(--black);
}

.arch-flow {
  display: flex;
  align-items: flex-start;
  gap: 0;
  margin-bottom: 80px;
  overflow-x: auto;
  padding-bottom: 8px;
}

.arch-step {
  flex: 1;
  min-width: 180px;
  padding: 32px 24px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-align: center;
  transition: border-color var(--transition), transform var(--transition);
}
.arch-step:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
}

.arch-step-num {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--accent);
  margin-bottom: 12px;
}
.arch-step-icon {
  font-size: 2rem;
  margin-bottom: 12px;
}
.arch-step h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 10px;
}
.arch-step p {
  font-size: 0.8rem;
  color: var(--white-60);
  line-height: 1.6;
}

.arch-arrow {
  display: flex;
  align-items: center;
  padding: 0 8px;
  color: var(--accent);
  font-size: 1.5rem;
  font-weight: 300;
  margin-top: 60px;
  flex-shrink: 0;
}

.three-pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.pillar {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 28px;
  text-align: center;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}
.pillar:hover {
  border-color: var(--accent);
  box-shadow: 0 0 30px var(--accent-glow);
  transform: translateY(-4px);
}
.pillar-icon {
  font-size: 2.4rem;
  display: block;
  margin-bottom: 16px;
}
.pillar h4 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: 0.05em;
}
.pillar p {
  font-size: 0.85rem;
  color: var(--white-60);
  line-height: 1.6;
}

/* =========================================
   SERVICES
   ========================================= */
.services { background: var(--surface); }

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

.service-card {
  position: relative;
  padding: 40px 32px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color var(--transition), transform var(--transition);
  overflow: hidden;
}
.service-card:hover {
  border-color: var(--border-light);
  transform: translateY(-4px);
}

.service-card--featured {
  background: linear-gradient(145deg, rgba(108,99,255,0.15) 0%, rgba(167,139,250,0.06) 100%);
  border-color: rgba(108,99,255,0.4);
}
.service-card--featured:hover {
  border-color: var(--accent);
  box-shadow: 0 16px 60px var(--accent-glow);
}

.service-badge {
  position: absolute;
  top: 20px; right: 20px;
  background: var(--accent);
  color: var(--white);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 4px 10px;
  border-radius: 100px;
}

.service-num {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--accent);
  margin-bottom: 20px;
}

.service-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 16px;
  line-height: 1.3;
}

.service-desc {
  font-size: 0.875rem;
  color: var(--white-60);
  line-height: 1.7;
  margin-bottom: 24px;
}

.service-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.service-list li {
  font-size: 0.82rem;
  color: var(--white-60);
  padding-left: 18px;
  position: relative;
}
.service-list li::before {
  content: '';
  position: absolute;
  left: 0; top: 50%;
  transform: translateY(-50%);
  width: 6px; height: 6px;
  background: var(--accent);
  border-radius: 50%;
}

/* =========================================
   RESULTS
   ========================================= */
.results { background: var(--black); }

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 80px;
}

.metric-card {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 24px;
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition), transform var(--transition);
}
.metric-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
}
.metric-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(to right, var(--accent), var(--accent-2));
}

.metric-num {
  font-size: 3rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  color: var(--white);
  display: inline;
}
.metric-unit {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--accent-2);
  display: inline;
}
.metric-label {
  font-size: 0.875rem;
  font-weight: 600;
  margin: 12px 0 6px;
}
.metric-sub {
  font-size: 0.75rem;
  color: var(--white-30);
}

.case-title {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 32px;
}
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.case-card {
  padding: 32px 28px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color var(--transition), transform var(--transition);
}
.case-card:hover {
  border-color: var(--border-light);
  transform: translateY(-4px);
}
.case-industry {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--accent-2);
  text-transform: uppercase;
  margin-bottom: 12px;
}
.case-card h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 12px;
  line-height: 1.4;
}
.case-card p {
  font-size: 0.82rem;
  color: var(--white-60);
  line-height: 1.7;
  margin-bottom: 20px;
}
.case-result {
  font-size: 0.85rem;
  color: var(--green);
  font-weight: 600;
}
.case-result strong { font-size: 1rem; }

/* =========================================
   PRICING
   ========================================= */
.pricing { background: var(--surface); }

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: start;
}

.pricing-card {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 44px 36px;
  position: relative;
  transition: border-color var(--transition), transform var(--transition);
}
.pricing-card:hover {
  border-color: var(--border-light);
  transform: translateY(-4px);
}

.pricing-card--featured {
  background: linear-gradient(145deg, rgba(108,99,255,0.12) 0%, rgba(167,139,250,0.05) 100%);
  border-color: rgba(108,99,255,0.4);
  transform: translateY(-8px);
}
.pricing-card--featured:hover {
  border-color: var(--accent);
  box-shadow: 0 24px 80px var(--accent-glow);
  transform: translateY(-12px);
}

.pricing-badge {
  position: absolute;
  top: -14px; left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: var(--white);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 6px 18px;
  border-radius: 100px;
  white-space: nowrap;
}

.pricing-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  margin-bottom: 24px;
}

.price-tag {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin-bottom: 20px;
}
.price-amount {
  font-size: 2.2rem;
  font-weight: 900;
  letter-spacing: -0.03em;
}
.price-period {
  font-size: 0.85rem;
  color: var(--white-60);
}

.pricing-desc {
  font-size: 0.85rem;
  color: var(--white-60);
  line-height: 1.7;
  margin-bottom: 28px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--border);
}

.pricing-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 36px;
}
.pricing-features li {
  font-size: 0.85rem;
  color: var(--white-60);
  padding-left: 20px;
  position: relative;
}
.pricing-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--green);
  font-weight: 700;
  font-size: 0.8rem;
}

/* =========================================
   CONTACT
   ========================================= */
.contact { background: var(--black); }

.contact-inner {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}

.contact-label { justify-content: center; }

.contact-title {
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

.contact-sub {
  font-size: 1rem;
  color: var(--white-60);
  line-height: 1.8;
  margin-bottom: 48px;
}

.contact-form {
  text-align: left;
}

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

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.form-group--full { margin-bottom: 20px; }

.form-group label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--white-60);
  letter-spacing: 0.03em;
}
.required { color: var(--accent-2); }

.form-group input,
.form-group select,
.form-group textarea {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  color: var(--white);
  font-size: 0.925rem;
  font-family: var(--font-main);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  -webkit-appearance: none;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--white-30); }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
.form-group select option { background: var(--surface-3); }
.form-group textarea { resize: vertical; min-height: 120px; }

.form-success {
  text-align: center;
  padding: 60px 40px;
}
.success-icon {
  width: 64px; height: 64px;
  border-radius: 50%;
  background: var(--green);
  color: var(--black);
  font-size: 1.8rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}
.form-success h3 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 10px;
}
.form-success p {
  color: var(--white-60);
}

/* =========================================
   FOOTER
   ========================================= */
.footer {
  background: #181c24;
  border-top: none;
  padding: 64px 24px 40px;
}
.footer-inner {
  max-width: 1160px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
  text-align: center;
}

/* ロゴ */
.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255,255,255,0.7);
}
.footer-logo-mark { flex-shrink: 0; }
.footer-logo-text {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.75);
}
.footer-logo-ax {
  color: var(--accent);
  margin-left: 3px;
}

/* ナビ */
.footer-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 32px;
}
.footer-nav a {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.38);
  transition: color var(--transition);
}
.footer-nav a:hover { color: rgba(255,255,255,0.85); }

/* コピーライト */
.footer-copy {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
  font-size: 0.75rem;
  color: rgba(255,255,255,0.28);
}
.footer-divider { opacity: 0.4; }
.footer-privacy {
  color: rgba(255,255,255,0.38);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition);
}
.footer-privacy:hover { color: rgba(255,255,255,0.75); }

/* =========================================
   REVEAL ANIMATIONS
   ========================================= */
[data-reveal] {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}
[data-reveal].revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children */
[data-reveal].compare-grid > *:nth-child(1) { transition-delay: 0.05s; }
[data-reveal].compare-grid > *:nth-child(2) { transition-delay: 0.15s; }
[data-reveal].services-grid > *:nth-child(1) { transition-delay: 0.05s; }
[data-reveal].services-grid > *:nth-child(2) { transition-delay: 0.15s; }
[data-reveal].services-grid > *:nth-child(3) { transition-delay: 0.25s; }
[data-reveal].metrics-grid > *:nth-child(1) { transition-delay: 0.05s; }
[data-reveal].metrics-grid > *:nth-child(2) { transition-delay: 0.12s; }
[data-reveal].metrics-grid > *:nth-child(3) { transition-delay: 0.19s; }
[data-reveal].metrics-grid > *:nth-child(4) { transition-delay: 0.26s; }

/* =========================================
   RESPONSIVE
   ========================================= */
@media (max-width: 1024px) {
  .metrics-grid { grid-template-columns: repeat(2, 1fr); }
  .arch-step { min-width: 140px; }
}

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

  .section { padding: 80px 0; }

  .compare-grid { grid-template-columns: 1fr; }
  .three-pillars { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .metrics-grid { grid-template-columns: repeat(2, 1fr); }
  .case-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .pricing-card--featured { transform: none; }
  .pricing-card--featured:hover { transform: translateY(-4px); }

  .arch-flow { flex-direction: column; align-items: stretch; }
  .arch-arrow { transform: rotate(90deg); align-self: center; margin: 0; }

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



  .hero-title { font-size: 2.4rem; }
  .hero { padding: 100px 24px 80px; }

  .section-lead br.pc-br { display: none; }
}

@media (max-width: 480px) {
  .metrics-grid { grid-template-columns: 1fr; }
  .hero-cta-group { flex-direction: column; width: 100%; }
  .btn { width: 100%; }
  .hero-cta-group .btn-ghost { width: auto; }
}