/* ===== Design Tokens v5 — Corporate Identity ===== */
:root {
  /* Corporate Colors — aligned with thenewgate.co.jp */
  --color-navy: #010110;
  --color-navy-mid: #111438;
  --color-navy-light: #121376;
  --color-blue: #011A80;
  --color-red: #FF0031;
  --color-red-hover: #E21A00;
  --color-white: #ffffff;
  --color-light-bg: #f0f0f5;
  --color-text-primary: #ffffff;
  --color-text-secondary: rgba(255,255,255,0.7);
  --color-text-muted: rgba(255,255,255,0.4);
  --color-text-dark: #1a1a2e;
  --color-text-dark-secondary: #6e6e7e;
  --color-border-dark: rgba(255,255,255,0.08);
  --color-border-light: #d8d8e0;

  /* Typography */
  --font-sans: 'Inter', -apple-system, 'Helvetica Neue', sans-serif;
  --font-body: var(--font-sans);
  --font-display: 'Inter Tight', -apple-system, 'Helvetica Neue', sans-serif;
  --font-serif: 'Libre Baskerville', 'Georgia', serif;

  /* Spacing */
  --container-max: 1440px;
  --container-padding: 80px;
  --section-padding: 120px;
  --nav-height: 80px;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);

  /* Sharp edges */
  --radius: 0px;
}

/* ===== Base ===== */

html {
  font-size: 100%;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-navy);
  color: var(--color-text-primary);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--color-navy); }
::-webkit-scrollbar-thumb {
  background: rgba(255,255,255,0.15);
  border-radius: 0;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-red);
}

/* ===== Layout ===== */

.container-default {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

@media (max-width: 768px) {
  :root { --container-padding: 24px; }
}

.container-wide {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.section-padding {
  padding: var(--section-padding) 0;
}

@media (max-width: 768px) {
  :root { --section-padding: 80px; }
}

/* ===== Typography v5 — Bold enterprise weights ===== */

.heading-hero {
  font-family: var(--font-display);
  font-size: clamp(40px, 5.5vw, 72px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.heading-1 {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 56px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.015em;
}

.heading-2 {
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 40px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

.heading-3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.body-copy {
  font-size: 16px;
  font-weight: 400;
  line-height: 1.6;
  letter-spacing: 0;
}

.caption {
  font-size: 14px;
  font-weight: 400;
  line-height: 1.43;
  letter-spacing: 0.01em;
}

.micro {
  font-size: 12px;
  font-weight: 400;
  line-height: 1.33;
  letter-spacing: 0.03em;
}

.eyebrow {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-red);
}

/* ===== Buttons — Sharp Edges (radius 0) ===== */

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  background: var(--color-red);
  color: var(--color-white);
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.02em;
  border: 2px solid var(--color-red);
  border-radius: 0;
  text-decoration: none;
  cursor: pointer;
  transition: background var(--transition-base), border-color var(--transition-base);
  white-space: nowrap;
}

.btn-primary:hover {
  background: var(--color-red-hover);
  border-color: var(--color-red-hover);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  background: transparent;
  color: var(--color-white);
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.02em;
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 0;
  text-decoration: none;
  cursor: pointer;
  transition: border-color var(--transition-base), color var(--transition-base);
  white-space: nowrap;
}

.btn-secondary:hover {
  border-color: var(--color-white);
  color: var(--color-white);
}

.btn-text {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-red);
  text-decoration: none;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.btn-text:hover {
  color: var(--color-red-hover);
}

/* ===== Cards — Sharp Edges ===== */

.card {
  background: var(--color-navy-mid);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 0;
  overflow: hidden;
  transition: transform var(--transition-slow), box-shadow var(--transition-slow), border-color var(--transition-base);
}

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(255,255,255,0.15);
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}

.card-image {
  width: 100%;
  aspect-ratio: 3/2;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.card:hover .card-image {
  transform: scale(1.03);
}

.card-light {
  background: var(--color-navy-mid);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 0;
  padding: 40px;
  transition: transform var(--transition-slow), box-shadow var(--transition-slow), border-color var(--transition-base);
}

.card-light:hover {
  transform: translateY(-4px);
  border-color: rgba(255,255,255,0.15);
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}

.card-gray {
  background: var(--color-navy-mid);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 0;
  padding: 40px;
  transition: transform var(--transition-slow), box-shadow var(--transition-slow), border-color var(--transition-base);
}

.card-gray:hover {
  transform: translateY(-4px);
  border-color: rgba(255,255,255,0.15);
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}

/* ===== Stat Numbers ===== */

.stat-number {
  font-size: 48px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--color-white);
  line-height: 1;
  letter-spacing: -0.02em;
}

.stat-label {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  margin-top: 8px;
}

/* ===== Step flow ===== */

.step-number {
  font-size: 48px;
  font-weight: 700;
  line-height: 1;
  color: var(--color-red);
  font-variant-numeric: tabular-nums;
}

/* ===== Pricing Cards ===== */

.pricing-card {
  background: var(--color-navy-mid);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 0;
  padding: 40px;
  display: flex;
  flex-direction: column;
  transition: box-shadow var(--transition-base), border-color var(--transition-base);
}

.pricing-card:hover {
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
  border-color: rgba(255,255,255,0.15);
}

.pricing-card-recommended {
  border-top: 3px solid var(--color-red);
}

.price-number {
  font-size: 48px;
  font-weight: 700;
  color: var(--color-text-primary);
  letter-spacing: -0.02em;
  line-height: 1;
}

.price-unit {
  font-size: 14px;
  color: var(--color-text-secondary);
  letter-spacing: 0.01em;
}

/* ===== FAQ ===== */

.faq-item {
  border-bottom: 1px solid var(--color-border-dark);
}

.faq-item:last-child { border-bottom: none; }

/* ===== Section Header ===== */

.section-header-block {
  text-align: center;
  margin-bottom: 64px;
}

.section-header-block.left {
  text-align: left;
}

/* ===== Legacy scroll reveal (CSS fallback) ===== */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Utilities ===== */

.text-balance { text-wrap: balance; }

.bg-navy        { background-color: var(--color-navy) !important; }
.bg-navy-mid    { background-color: var(--color-navy-mid) !important; }
.bg-light-bg    { background-color: var(--color-light-bg) !important; }
.bg-white-pure  { background-color: var(--color-white) !important; }

.text-muted     { color: var(--color-text-muted) !important; }
.text-secondary { color: var(--color-text-secondary) !important; }

/* ===== Tailwind-equivalent utilities (plain CSS) ===== */

/* Display */
.hidden { display: none !important; }
.block  { display: block !important; }
.flex   { display: flex !important; }
.grid   { display: grid !important; }
.inline-block { display: inline-block !important; }
.inline-flex  { display: inline-flex !important; }

/* Flex utilities */
.flex-col  { flex-direction: column !important; }
.flex-row  { flex-direction: row !important; }
.flex-wrap { flex-wrap: wrap !important; }
.items-center   { align-items: center !important; }
.items-start    { align-items: flex-start !important; }
.items-end      { align-items: flex-end !important; }
.justify-center { justify-content: center !important; }
.justify-between { justify-content: space-between !important; }
.justify-end    { justify-content: flex-end !important; }
.flex-shrink-0  { flex-shrink: 0 !important; }

/* Grid */
.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)) !important; }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)) !important; }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)) !important; }
.grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)) !important; }

/* Gap */
.gap-2  { gap: 8px !important; }
.gap-3  { gap: 12px !important; }
.gap-4  { gap: 16px !important; }
.gap-6  { gap: 24px !important; }
.gap-8  { gap: 32px !important; }
.gap-10 { gap: 40px !important; }
.gap-12 { gap: 48px !important; }
.gap-16 { gap: 64px !important; }

/* Width / Height */
.w-full  { width: 100% !important; }
.h-full  { height: 100% !important; }
.w-auto  { width: auto !important; }

/* Responsive breakpoints — md = 768px */
@media (min-width: 768px) {
  .md\:flex   { display: flex !important; }
  .md\:block  { display: block !important; }
  .md\:hidden { display: none !important; }
  .md\:grid   { display: grid !important; }
  .md\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)) !important; }
  .md\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)) !important; }
  .md\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)) !important; }
  .md\:flex-row { flex-direction: row !important; }
}

/* Responsive breakpoints — lg = 1024px */
@media (min-width: 1024px) {
  .lg\:flex   { display: flex !important; }
  .lg\:block  { display: block !important; }
  .lg\:hidden { display: none !important; }
  .lg\:grid   { display: grid !important; }
  .lg\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)) !important; }
  .lg\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)) !important; }
  .lg\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)) !important; }
}

/* ===== Keyframe Animations ===== */

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-fade-up {
  animation: fadeUp 0.6s ease forwards;
}

.animate-fade-up-delay-1 {
  animation: fadeUp 0.6s ease 0.1s forwards;
  opacity: 0;
}

.animate-fade-up-delay-2 {
  animation: fadeUp 0.6s ease 0.2s forwards;
  opacity: 0;
}

.animate-fade-up-delay-3 {
  animation: fadeUp 0.6s ease 0.35s forwards;
  opacity: 0;
}

.animate-fade-up-delay-4 {
  animation: fadeUp 0.6s ease 0.5s forwards;
  opacity: 0;
}

/* ===== Link utilities ===== */

.link-accent {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-red);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.link-accent:hover {
  color: var(--color-red-hover);
}

.pricing-link-primary {
  display: block;
  text-align: center;
  padding: 14px 28px;
  background: var(--color-red);
  color: var(--color-white);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-decoration: none;
  border: 2px solid var(--color-red);
  border-radius: 0;
  transition: background var(--transition-base), border-color var(--transition-base);
}

.pricing-link-primary:hover {
  background: var(--color-red-hover);
  border-color: var(--color-red-hover);
}

.pricing-link-outline {
  display: block;
  text-align: center;
  padding: 14px 28px;
  background: transparent;
  color: var(--color-white);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-decoration: none;
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 0;
  transition: border-color var(--transition-base), color var(--transition-base);
}

.pricing-link-outline:hover {
  border-color: var(--color-white);
  color: var(--color-white);
}

.card-hover {
  transition: box-shadow var(--transition-base);
}

.card-hover:hover {
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}

/* ===== Solution row ===== */

.solution-row {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  background: transparent;
  border: 1px solid transparent;
  padding: 40px;
  text-decoration: none;
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.solution-row:hover {
  border-color: var(--color-border-dark);
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}

/* ===== Solution card arrow animation ===== */

.solution-arrow {
  display: inline-block;
  transition: transform 0.3s ease;
}
.solution-card:hover .solution-arrow {
  transform: translateX(6px);
}

/* ===== Solution card — red line grows from top on hover ===== */

.solution-card > div {
  position: relative;
}
.solution-card > div::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 0;
  background: #FF0031;
  transition: height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.solution-card:hover > div::before {
  height: 100%;
}

/* ===== Blur transition utility ===== */

.blur-enter {
  will-change: filter, opacity, transform;
}

/* ===== Footer red line — IntersectionObserver triggered ===== */

.footer-red-line {
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.8s ease;
}

.footer-red-line.visible {
  transform: scaleX(1);
}

/* ===== Stat glow pulse — fires after counter completes ===== */

@keyframes statGlow {
  0%, 100% { text-shadow: 0 0 0px rgba(255,0,49,0); }
  50% { text-shadow: 0 0 30px rgba(255,0,49,0.15); }
}

.stat-glow {
  animation: statGlow 3s ease-in-out infinite;
}

/* ===== Gimmick: 3D card tilt ===== */

.tilt-card {
  transition: transform 0.3s ease;
  transform-style: preserve-3d;
  perspective: 1000px;
}

/* ===== Gimmick: Keyword highlight ===== */

.highlight-word {
  color: rgba(255,255,255,0.6);
  transition: color 0.6s ease;
}
.highlight-word.active {
  color: #FF0031;
}

/* ===== Print ===== */

@media print {
  header, footer { display: none; }
  .section-padding { padding: 24px 0; }
}

/* ==========================================================================
   Accessibility & Performance
   ========================================================================== */

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* No-JS fallback: ensure content is visible without JavaScript */
.no-js .hero-line-1,
.no-js .hero-eyebrow-text,
.no-js [style*="opacity: 0"] {
  opacity: 1 !important;
}