/* ═══════════════════════════════════════
   CSS RESET & VARIABLES
   ═══════════════════════════════════════ */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --color-bg: #FAFAF9;
  --color-surface: #FFFFFF;
  --color-text: #1A1A1A;
  --color-text-secondary: #6B6B6B;
  --color-accent: #2D5A3D;
  --color-accent-light: #3A7550;
  --color-accent-bg: #EFF6F1;
  --color-border: #E8E8E6;
  --color-border-light: #F0F0EE;
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --max-width: 1200px;
  --section-padding: clamp(80px, 12vh, 140px);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-main) !important;
  background: var(--color-bg) !important;
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  margin: 0 !important;
  padding: 0 !important;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

/* WP Admin Bar offset */
#wpadminbar ~ .kg-nav { top: 32px; }
@media (max-width: 782px) {
  #wpadminbar ~ .kg-nav { top: 46px; }
}

/* ═══════════════════════════════════════
   NAVIGATION
   ═══════════════════════════════════════ */
.kg-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  padding: 0 clamp(20px, 5vw, 60px);
  transition: var(--transition);
  background: transparent;
}

.kg-nav.scrolled {
  background: rgba(250, 250, 249, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border-light);
}

.kg-nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.kg-nav-logo {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.kg-nav-logo span {
  color: var(--color-accent);
}

.kg-nav-links {
  display: flex;
  gap: 36px;
  list-style: none;
}

.kg-nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: color var(--transition);
  position: relative;
}

.kg-nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--color-accent);
  transition: width var(--transition);
}

.kg-nav-links a:hover {
  color: var(--color-text);
}

.kg-nav-links a:hover::after {
  width: 100%;
}

.kg-nav-cta {
  font-size: 0.875rem;
  font-weight: 500;
  padding: 10px 24px;
  background: var(--color-accent);
  color: #fff !important;
  border-radius: 100px;
  transition: all var(--transition);
  border: none;
  cursor: pointer;
}

.kg-nav-cta:hover {
  background: var(--color-accent-light);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(45, 90, 61, 0.25);
  color: #fff !important;
}

/* Mobile menu — hidden on desktop */
.kg-mobile-menu {
  display: none;
}

/* Mobile menu toggle */
.kg-nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.kg-nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  margin: 5px 0;
  transition: var(--transition);
  border-radius: 2px;
}

.kg-nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.kg-nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.kg-nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ═══════════════════════════════════════
   HERO SECTION
   ═══════════════════════════════════════ */
.kg-hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 0 clamp(20px, 5vw, 60px);
  position: relative;
  overflow: hidden;
}

.kg-hero::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -15%;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(45, 90, 61, 0.06) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.kg-hero-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.kg-hero-content {
  position: relative;
  z-index: 2;
}

.kg-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: var(--color-accent-bg);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-accent);
  margin-bottom: 28px;
}

.kg-hero-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  border-radius: 50%;
  animation: kgPulse 2s infinite;
}

@keyframes kgPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.kg-hero h1 {
  font-size: clamp(2.5rem, 5.5vw, 4.2rem) !important;
  font-weight: 700 !important;
  line-height: 1.08 !important;
  letter-spacing: -0.03em;
  margin-bottom: 24px !important;
  color: var(--color-text) !important;
  padding: 0 !important;
}

.kg-hero h1 em {
  font-style: normal;
  color: var(--color-accent);
}

.kg-hero p {
  font-size: clamp(1rem, 1.2vw, 1.15rem);
  color: var(--color-text-secondary);
  max-width: 480px;
  line-height: 1.7;
  margin-bottom: 40px;
}

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

.kg-btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 32px;
  background: var(--color-accent);
  color: #fff !important;
  font-size: 0.95rem;
  font-weight: 500;
  border-radius: 100px;
  transition: all var(--transition);
  border: none;
  cursor: pointer;
}

.kg-btn-primary:hover {
  background: var(--color-accent-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(45, 90, 61, 0.25);
  color: #fff !important;
}

.kg-btn-primary svg {
  transition: transform var(--transition);
}

.kg-btn-primary:hover svg {
  transform: translateX(3px);
}

.kg-btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 28px;
  background: transparent;
  color: var(--color-text);
  font-size: 0.95rem;
  font-weight: 500;
  border: 1.5px solid var(--color-border);
  border-radius: 100px;
  transition: all var(--transition);
  cursor: pointer;
}

.kg-btn-secondary:hover {
  border-color: var(--color-text);
  transform: translateY(-2px);
}

/* Hero visual */
.kg-hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.kg-hero-graphic {
  width: 100%;
  max-width: 460px;
  aspect-ratio: 1;
  position: relative;
}

.kg-hero-circle {
  position: absolute;
  border-radius: 50%;
  border: 1px solid var(--color-border);
}

.kg-hero-circle:nth-child(1) {
  inset: 0;
  animation: kgRotate 60s linear infinite;
}

.kg-hero-circle:nth-child(2) {
  inset: 15%;
  border-color: var(--color-accent);
  opacity: 0.2;
  animation: kgRotate 45s linear infinite reverse;
}

.kg-hero-circle:nth-child(3) {
  inset: 30%;
  animation: kgRotate 30s linear infinite;
}

@keyframes kgRotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.kg-hero-center-text {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  z-index: 2;
}

.kg-hero-center-text .kg-japan-text {
  font-size: 3.5rem;
  font-weight: 200;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  opacity: 0.25;
  line-height: 1;
}

.kg-hero-center-text .kg-quality-text {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  margin-top: 8px;
}

.kg-float-card {
  position: absolute;
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: 16px;
  padding: 16px 20px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
  z-index: 3;
  animation: kgFloat 6s ease-in-out infinite;
}

.kg-float-card:nth-child(5) {
  top: 8%;
  right: -5%;
  animation-delay: 0s;
}

.kg-float-card:nth-child(6) {
  bottom: 12%;
  left: -8%;
  animation-delay: 2s;
}

.kg-float-card:nth-child(7) {
  bottom: 5%;
  right: 5%;
  animation-delay: 4s;
}

@keyframes kgFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.kg-float-card .kg-fc-label {
  font-size: 0.7rem;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 4px;
}

.kg-float-card .kg-fc-value {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-accent);
}

/* ═══════════════════════════════════════
   SERVICES SECTION
   ═══════════════════════════════════════ */
.kg-services {
  padding: var(--section-padding) clamp(20px, 5vw, 60px);
  position: relative;
}

.kg-section-header {
  max-width: var(--max-width);
  margin: 0 auto 64px;
}

.kg-section-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 16px;
}

.kg-section-title {
  font-size: clamp(2rem, 3.5vw, 2.8rem) !important;
  font-weight: 700 !important;
  letter-spacing: -0.02em;
  line-height: 1.15 !important;
  max-width: 560px;
  color: var(--color-text) !important;
}

.kg-services-grid {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.kg-service-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: 20px;
  padding: 40px 32px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.kg-service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.kg-service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.06);
  border-color: transparent;
}

.kg-service-icon {
  width: 52px;
  height: 52px;
  background: var(--color-accent-bg);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  transition: all var(--transition);
}

.kg-service-card:hover .kg-service-icon {
  background: var(--color-accent);
}

.kg-service-card:hover .kg-service-icon svg {
  stroke: #fff;
}

.kg-service-icon svg {
  width: 24px;
  height: 24px;
  stroke: var(--color-accent);
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: stroke var(--transition);
}

.kg-service-card h3 {
  font-size: 1.2rem !important;
  font-weight: 600 !important;
  margin-bottom: 12px !important;
  letter-spacing: -0.01em;
  color: var(--color-text) !important;
}

.kg-service-card p {
  font-size: 0.92rem;
  color: var(--color-text-secondary);
  line-height: 1.65;
}

.kg-service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.kg-service-tag {
  font-size: 0.72rem;
  font-weight: 500;
  padding: 5px 12px;
  background: var(--color-bg);
  border-radius: 100px;
  color: var(--color-text-secondary);
}

/* ═══════════════════════════════════════
   TRUST STRIP
   ═══════════════════════════════════════ */
.kg-trust {
  padding: 64px clamp(20px, 5vw, 60px);
  background: var(--color-accent) !important;
  color: #fff;
}

.kg-trust-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  text-align: center;
}

.kg-trust-item .kg-trust-number {
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: 8px;
  color: #fff !important;
}

.kg-trust-item .kg-trust-label {
  font-size: 0.82rem;
  opacity: 0.75;
  font-weight: 400;
  line-height: 1.4;
  color: #fff;
}

/* ═══════════════════════════════════════
   CONTACT SECTION
   ═══════════════════════════════════════ */
.kg-contact {
  padding: var(--section-padding) clamp(20px, 5vw, 60px);
}

.kg-contact-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.kg-contact-info h2 {
  font-size: clamp(2rem, 3.5vw, 2.8rem) !important;
  font-weight: 700 !important;
  letter-spacing: -0.02em;
  line-height: 1.15 !important;
  margin-bottom: 20px !important;
  color: var(--color-text) !important;
}

.kg-contact-info > p {
  font-size: 1rem;
  color: var(--color-text-secondary);
  max-width: 420px;
  line-height: 1.7;
  margin-bottom: 40px;
}

.kg-contact-details {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.kg-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.kg-contact-item-icon {
  width: 44px;
  height: 44px;
  background: var(--color-accent-bg);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.kg-contact-item-icon svg {
  width: 20px;
  height: 20px;
  stroke: var(--color-accent);
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.kg-ci-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-secondary);
  margin-bottom: 4px;
}

.kg-ci-value {
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text);
}

.kg-ci-value a {
  transition: color var(--transition);
  color: var(--color-text);
}

.kg-ci-value a:hover {
  color: var(--color-accent);
}

/* Map */
.kg-contact-visual {
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: 20px;
  overflow: hidden;
  position: relative;
  aspect-ratio: 4/3;
}

.kg-contact-visual iframe {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}

/* ═══════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════ */
.kg-footer {
  padding: 32px clamp(20px, 5vw, 60px);
  border-top: 1px solid var(--color-border);
}

.kg-footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.kg-footer-copy {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
}

.kg-footer-legal {
  display: flex;
  gap: 24px;
}

.kg-footer-legal a {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  transition: color var(--transition);
}

.kg-footer-legal a:hover {
  color: var(--color-text);
}

/* ═══════════════════════════════════════
   SCROLL REVEAL
   ═══════════════════════════════════════ */
.kg-reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.kg-reveal-delay-1 { transition-delay: 0.1s; }
.kg-reveal-delay-2 { transition-delay: 0.2s; }
.kg-reveal-delay-3 { transition-delay: 0.3s; }

/* ═══════════════════════════════════════
   RESPONSIVE — TABLET
   ═══════════════════════════════════════ */
@media (max-width: 1024px) {
  .kg-hero-inner {
    grid-template-columns: 1fr;
    gap: 60px;
    text-align: center;
  }
  .kg-hero p { margin-left: auto; margin-right: auto; }
  .kg-hero-actions { justify-content: center; }
  .kg-hero-visual { order: -1; }
  .kg-hero-graphic { max-width: 340px; }
  .kg-services-grid { grid-template-columns: repeat(2, 1fr); }
  .kg-trust-inner { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  .kg-contact-inner { grid-template-columns: 1fr; gap: 48px; }
}

/* ═══════════════════════════════════════
   RESPONSIVE — MOBILE
   ═══════════════════════════════════════ */
@media (max-width: 640px) {
  .kg-nav-links, .kg-nav-cta-desktop { display: none; }
  .kg-nav-toggle { display: block; }

  .kg-mobile-menu {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(250, 250, 249, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 32px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    z-index: 9998;
  }
  .kg-mobile-menu.kg-open { opacity: 1; pointer-events: auto; }
  .kg-mobile-menu a { font-size: 1.3rem; font-weight: 500; color: var(--color-text); }

  .kg-hero { min-height: auto; padding-top: 120px; padding-bottom: 80px; }
  .kg-hero-graphic { max-width: 260px; }
  .kg-float-card { padding: 12px 14px; }
  .kg-float-card .kg-fc-value { font-size: 1rem; }
  .kg-float-card .kg-fc-label { font-size: 0.65rem; }
  .kg-services-grid { grid-template-columns: 1fr; }
  .kg-trust-inner { grid-template-columns: repeat(2, 1fr); gap: 24px 16px; }
  .kg-hero-actions { flex-direction: column; }
  .kg-btn-primary, .kg-btn-secondary { width: 100%; justify-content: center; }
  .kg-footer-inner { flex-direction: column; gap: 16px; text-align: center; }
}