/* ============================================
   Frontier Japan Corporate Site - Main CSS
   High-end Investment Grade Corporate Design
   Color Palette: Navy, Black, White, Gold, Grey
============================================ */

/* === VARIABLES === */
:root {
  --navy: #0B1F3A;
  --navy-dark: #061628;
  --navy-mid: #132840;
  --black: #0D0D0D;
  --white: #FFFFFF;
  --gold: #B8975A;
  --gold-light: #D4AF7A;
  --gold-pale: #F5EDD8;
  --grey-dark: #2C2C2C;
  --grey-mid: #555555;
  --grey-light: #888888;
  --grey-pale: #F4F4F4;
  --grey-border: #E0E0E0;
  --text-primary: #1A1A1A;
  --text-secondary: #555555;
  --text-light: #888888;
  --section-pad: 100px 0;
  --section-pad-sm: 60px 0;
  --font-en: 'Cormorant Garamond', 'Playfair Display', Georgia, serif;
  --font-ja: 'Noto Serif JP', 'Yu Mincho', 'YuMincho', '游明朝', serif;
  --font-sans: 'Noto Sans JP', 'Helvetica Neue', Arial, sans-serif;
  --transition: all 0.3s ease;
  --shadow: 0 4px 30px rgba(0,0,0,0.08);
  --shadow-md: 0 8px 40px rgba(0,0,0,0.12);
  --shadow-dark: 0 10px 50px rgba(0,0,0,0.3);
  --radius: 2px;
  --container: 1200px;
}

/* === RESET & BASE === */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-ja);
  color: var(--text-primary);
  background: var(--white);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

ul, ol {
  list-style: none;
}

/* === TYPOGRAPHY === */
.en-heading {
  font-family: var(--font-en);
  font-weight: 400;
  letter-spacing: 0.08em;
}

.en-label {
  font-family: var(--font-en);
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-size: 0.75rem;
  color: var(--gold);
}

h1, h2, h3, h4 {
  font-family: var(--font-ja);
  font-weight: 400;
  line-height: 1.4;
}

/* === LAYOUT === */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 40px;
}

.container--wide {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 40px;
}

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

.section--dark {
  background: var(--navy);
  color: var(--white);
}

.section--navy-dark {
  background: var(--navy-dark);
  color: var(--white);
}

.section--black {
  background: var(--black);
  color: var(--white);
}

.section--grey {
  background: var(--grey-pale);
}

.section--gold-pale {
  background: var(--gold-pale);
}

/* === SECTION HEADER === */
.section-header {
  margin-bottom: 60px;
}

.section-header--center {
  text-align: center;
}

.section-header .en-label {
  display: block;
  margin-bottom: 12px;
}

.section-header h2 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  line-height: 1.4;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.section--dark .section-header h2,
.section--navy-dark .section-header h2,
.section--black .section-header h2 {
  color: var(--white);
}

.section-header .en-heading-large {
  font-family: var(--font-en);
  font-size: clamp(2rem, 5vw, 4rem);
  font-weight: 300;
  letter-spacing: 0.05em;
  display: block;
  color: var(--text-primary);
  line-height: 1.2;
}

.section--dark .en-heading-large,
.section--navy-dark .en-heading-large {
  color: var(--white);
}

.section-header p {
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 640px;
  line-height: 1.9;
}

.section--dark .section-header p,
.section--navy-dark .section-header p {
  color: rgba(255,255,255,0.75);
}

.section-header--center p {
  margin: 0 auto;
}

.gold-line {
  width: 40px;
  height: 1px;
  background: var(--gold);
  margin-bottom: 20px;
}

.section-header--center .gold-line {
  margin: 0 auto 20px;
}

/* === NAVIGATION === */
#main-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0;
  transition: var(--transition);
  background: transparent;
}

#main-nav.scrolled {
  background: rgba(6, 22, 40, 0.97);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
  padding: 0 40px;
  max-width: 1400px;
  margin: 0 auto;
}

.nav-logo {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.nav-logo .logo-en {
  font-family: var(--font-en);
  font-size: 1.2rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  color: var(--white);
  line-height: 1;
}

.nav-logo .logo-ja {
  font-size: 0.65rem;
  color: rgba(255,255,255,0.6);
  letter-spacing: 0.1em;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-menu a {
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  color: rgba(255,255,255,0.85);
  font-family: var(--font-sans);
  position: relative;
  padding-bottom: 3px;
}

.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--gold);
  transition: width 0.3s ease;
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
  width: 100%;
}

.nav-menu a:hover {
  color: var(--white);
}

.nav-en-btn {
  background: transparent;
  border: 1px solid var(--gold);
  color: var(--gold) !important;
  padding: 5px 14px;
  font-size: 0.7rem !important;
  letter-spacing: 0.2em !important;
}

.nav-en-btn:hover {
  background: var(--gold);
  color: var(--white) !important;
}

.nav-careers-btn {
  background: var(--gold);
  color: var(--navy-dark) !important;
  padding: 5px 16px;
  font-size: 0.75rem !important;
  letter-spacing: 0.1em !important;
  font-weight: 500 !important;
  border-radius: 2px;
}

.nav-careers-btn:hover {
  background: var(--gold-light);
  color: var(--navy-dark) !important;
  opacity: 1 !important;
}

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 5px;
}

.nav-hamburger span {
  display: block;
  width: 24px;
  height: 1px;
  background: var(--white);
  transition: var(--transition);
}

/* Dropdown */
.nav-item {
  position: relative;
}

.nav-dropdown {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(6, 22, 40, 0.97);
  min-width: 180px;
  padding: 12px 0;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  border-top: 1px solid var(--gold);
}

.nav-item:hover .nav-dropdown {
  opacity: 1;
  visibility: visible;
}

.nav-dropdown a {
  display: block;
  padding: 8px 20px;
  font-size: 0.7rem !important;
  letter-spacing: 0.1em !important;
  white-space: nowrap;
}

.nav-dropdown a::after {
  display: none;
}

.nav-dropdown a:hover {
  color: var(--gold) !important;
  background: rgba(184,151,90,0.1);
}

/* === HERO / FIRST VIEW === */
#hero {
  position: relative;
  height: 100vh;
  min-height: 700px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--navy-dark);
}

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

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0.4;
  filter: brightness(0.6);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(6, 22, 40, 0.85) 0%,
    rgba(11, 31, 58, 0.7) 50%,
    rgba(6, 22, 40, 0.6) 100%
  );
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 0 40px;
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
}

.hero-label {
  font-family: var(--font-en);
  font-size: 0.75rem;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 20px;
  display: block;
}

.hero-main-en {
  font-family: var(--font-en);
  font-size: clamp(2rem, 5vw, 4.5rem);
  font-weight: 300;
  color: var(--white);
  line-height: 1.15;
  letter-spacing: 0.03em;
  margin-bottom: 16px;
  display: block;
}

.hero-main-en span {
  color: var(--gold-light);
}

.hero-separator {
  width: 50px;
  height: 1px;
  background: var(--gold);
  margin: 24px 0;
}

.hero-main-ja {
  font-size: clamp(1rem, 2vw, 1.3rem);
  color: rgba(255,255,255,0.9);
  line-height: 1.7;
  margin-bottom: 20px;
  font-weight: 400;
}

.hero-concept {
  font-family: var(--font-en);
  font-size: clamp(1.1rem, 2vw, 1.6rem);
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.1em;
  margin-bottom: 30px;
  font-style: italic;
}

.hero-body {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.7);
  max-width: 560px;
  line-height: 1.9;
  margin-bottom: 40px;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 60px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  font-family: var(--font-sans);
  cursor: pointer;
  border: none;
  transition: var(--transition);
}

.btn-primary {
  background: var(--gold);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--gold-light);
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(184,151,90,0.4);
}

.btn-outline-white {
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(255,255,255,0.5);
}

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

.btn-outline-dark {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--grey-border);
}

.btn-outline-dark:hover {
  border-color: var(--navy);
  color: var(--navy);
}

.btn-dark {
  background: var(--navy);
  color: var(--white);
}

.btn-dark:hover {
  background: var(--navy-mid);
}

.hero-scroll-indicator {
  display: flex;
  align-items: center;
  gap: 14px;
  color: rgba(255,255,255,0.5);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-family: var(--font-en);
}

.scroll-line {
  width: 40px;
  height: 1px;
  background: rgba(255,255,255,0.3);
  position: relative;
  overflow: hidden;
}

.scroll-line::after {
  content: '';
  position: absolute;
  top: 0;
  left: -40px;
  width: 40px;
  height: 1px;
  background: var(--gold);
  animation: scrollLine 2s infinite;
}

@keyframes scrollLine {
  from { left: -40px; }
  to { left: 40px; }
}

/* === FINANCIAL HIGHLIGHTS === */
#financial-highlights {
  background: var(--navy-dark);
  padding: 100px 0;
}

.financial-highlights-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.1);
  margin-bottom: 60px;
}

.highlight-card {
  background: var(--navy-dark);
  padding: 40px 30px;
  text-align: center;
  transition: var(--transition);
}

.highlight-card:hover {
  background: var(--navy-mid);
}

.highlight-card .label {
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--gold);
  font-family: var(--font-en);
  text-transform: uppercase;
  display: block;
  margin-bottom: 12px;
}

.highlight-card .label-ja {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.6);
  display: block;
  margin-bottom: 16px;
}

.highlight-card .number {
  font-family: var(--font-en);
  font-size: clamp(1.4rem, 3vw, 2.2rem);
  font-weight: 300;
  color: var(--white);
  line-height: 1.1;
  display: block;
  margin-bottom: 6px;
}

.highlight-card .unit {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.5);
}

.highlight-card.featured {
  background: var(--navy-mid);
  border: 1px solid rgba(184,151,90,0.3);
}

.highlight-card.featured .number {
  color: var(--gold-light);
}

.financial-note {
  text-align: center;
  font-size: 0.75rem;
  color: rgba(255,255,255,0.4);
  margin-top: 40px;
  padding-top: 30px;
  border-top: 1px solid rgba(255,255,255,0.1);
}

/* === BUSINESS 3 PILLARS === */
#business-pillars {
  padding: var(--section-pad);
  background: var(--white);
}

.pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--grey-border);
  border: 1px solid var(--grey-border);
}

.pillar-card {
  background: var(--white);
  padding: 50px 40px;
  position: relative;
  transition: var(--transition);
  overflow: hidden;
}

.pillar-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gold);
  transform: scaleX(0);
  transition: transform 0.4s ease;
  transform-origin: left;
}

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

.pillar-card:hover {
  background: var(--grey-pale);
}

.pillar-icon {
  width: 50px;
  height: 50px;
  margin-bottom: 24px;
  color: var(--gold);
}

.pillar-icon svg {
  width: 100%;
  height: 100%;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.2;
}

.pillar-number {
  font-family: var(--font-en);
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  color: var(--gold);
  display: block;
  margin-bottom: 12px;
}

.pillar-en {
  font-family: var(--font-en);
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--text-primary);
  display: block;
  margin-bottom: 6px;
}

.pillar-ja {
  font-size: 1.1rem;
  color: var(--text-primary);
  display: block;
  margin-bottom: 20px;
  font-weight: 400;
}

.pillar-text {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.9;
  margin-bottom: 24px;
}

.pillar-link {
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  color: var(--navy);
  font-family: var(--font-en);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid var(--navy);
  padding-bottom: 2px;
  transition: var(--transition);
}

.pillar-link:hover {
  color: var(--gold);
  border-color: var(--gold);
}

/* === REVENUE CHART === */
#revenue-chart {
  background: var(--grey-pale);
  padding: var(--section-pad);
}

.revenue-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.revenue-chart-wrap {
  position: relative;
}

.chart-container {
  position: relative;
  height: 380px;
}

.revenue-legend {
  margin-top: 30px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.85rem;
}

.legend-color {
  width: 12px;
  height: 12px;
  flex-shrink: 0;
}

.legend-label {
  color: var(--text-secondary);
  flex: 1;
}

.legend-amount {
  font-family: var(--font-en);
  color: var(--text-primary);
  font-size: 0.9rem;
}

/* === BARBELL STRATEGY === */
#barbell {
  background: var(--navy);
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}

#barbell::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse at 30% 50%, rgba(184,151,90,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.barbell-layout {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 40px;
  align-items: center;
  margin-bottom: 60px;
}

.barbell-side {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  padding: 40px;
  text-align: center;
}

.barbell-side:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(184,151,90,0.3);
}

.barbell-side .side-icon {
  font-size: 2rem;
  margin-bottom: 16px;
}

.barbell-icon-badge {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 0.65rem;
  letter-spacing: 0.35em;
  color: var(--white);
  background: rgba(184,151,90,0.2);
  border: 1px solid var(--gold);
  padding: 6px 20px;
  margin-bottom: 20px;
  text-transform: uppercase;
}

.barbell-icon-badge--growth {
  background: rgba(11,31,58,0.5);
  border-color: rgba(184,151,90,0.6);
}

.barbell-side .side-en {
  font-family: var(--font-en);
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  color: var(--gold);
  text-transform: uppercase;
  display: block;
  margin-bottom: 12px;
}

.barbell-side h3 {
  font-size: 1.1rem;
  color: var(--white);
  margin-bottom: 16px;
  font-weight: 400;
}

.barbell-side p {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.65);
  line-height: 1.8;
}

.barbell-center {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.barbell-vs {
  width: 60px;
  height: 60px;
  border: 1px solid var(--gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-en);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--gold);
}

.barbell-line {
  width: 1px;
  height: 80px;
  background: linear-gradient(to bottom, transparent, var(--gold), transparent);
}

.barbell-concept {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.barbell-concept .concept-text {
  font-size: clamp(1.2rem, 2.5vw, 1.8rem);
  color: var(--white);
  line-height: 1.6;
  font-weight: 400;
  margin-bottom: 16px;
}

.barbell-concept .concept-sub {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.6);
  line-height: 1.8;
}

/* === HOSPITALITY === */
#hospitality {
  padding: var(--section-pad);
  background: var(--white);
}

.hotels-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-top: 60px;
}

.hotel-card {
  position: relative;
  overflow: hidden;
  background: var(--grey-pale);
}

.hotel-card-img {
  position: relative;
  height: 420px;
  overflow: hidden;
}

.hotel-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.hotel-card:hover .hotel-card-img img {
  transform: scale(1.04);
}

.hotel-badge {
  position: absolute;
  top: 20px;
  left: 20px;
  background: var(--gold);
  color: var(--white);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  padding: 4px 12px;
  font-family: var(--font-en);
  text-transform: uppercase;
}

.hotel-card-body {
  padding: 36px;
}

.hotel-location {
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--gold);
  font-family: var(--font-en);
  text-transform: uppercase;
  display: block;
  margin-bottom: 10px;
}

.hotel-name-en {
  font-family: var(--font-en);
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--text-primary);
  display: block;
  margin-bottom: 4px;
}

.hotel-name-ja {
  font-size: 0.9rem;
  color: var(--text-secondary);
  display: block;
  margin-bottom: 20px;
}

.hotel-stats {
  display: flex;
  gap: 24px;
  margin-bottom: 20px;
  padding: 16px 0;
  border-top: 1px solid var(--grey-border);
  border-bottom: 1px solid var(--grey-border);
}

.hotel-stat {
  text-align: center;
  flex: 1;
}

.hotel-stat .stat-num {
  font-family: var(--font-en);
  font-size: 1.4rem;
  font-weight: 300;
  color: var(--navy);
  display: block;
}

.hotel-stat .stat-label {
  font-size: 0.7rem;
  color: var(--text-light);
  letter-spacing: 0.05em;
}

.hotel-features {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.feature-tag {
  font-size: 0.7rem;
  padding: 4px 12px;
  border: 1px solid var(--grey-border);
  color: var(--text-secondary);
  letter-spacing: 0.05em;
}

.hotel-growth {
  background: var(--navy-dark);
  padding: 16px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 20px;
}

.hotel-growth .growth-label {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.6);
  letter-spacing: 0.1em;
}

.hotel-growth .growth-value {
  font-family: var(--font-en);
  font-size: 1.2rem;
  color: var(--gold-light);
}

/* === PORTFOLIO === */
#portfolio {
  background: var(--black);
  padding: var(--section-pad);
  color: var(--white);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(255,255,255,0.1);
  margin-bottom: 40px;
}

.portfolio-item {
  position: relative;
  height: 360px;
  overflow: hidden;
  cursor: pointer;
}

.portfolio-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.portfolio-item:hover img {
  transform: scale(1.05);
}

.portfolio-item-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(6,22,40,0.9) 0%, transparent 60%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
  transition: var(--transition);
}

.portfolio-item:hover .portfolio-item-overlay {
  background: linear-gradient(to top, rgba(6,22,40,0.95) 0%, rgba(6,22,40,0.4) 100%);
}

.portfolio-item-category {
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--gold);
  font-family: var(--font-en);
  text-transform: uppercase;
  margin-bottom: 6px;
}

.portfolio-item-name {
  font-size: 1rem;
  color: var(--white);
  font-weight: 400;
}

.portfolio-item-sub {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.6);
  margin-top: 4px;
}

.portfolio-categories {
  display: flex;
  gap: 20px;
  justify-content: center;
  margin-bottom: 40px;
}

.portfolio-cat-btn {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.2);
  color: rgba(255,255,255,0.6);
  padding: 8px 20px;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font-sans);
}

.portfolio-cat-btn.active,
.portfolio-cat-btn:hover {
  border-color: var(--gold);
  color: var(--gold);
}

/* === STRENGTHS === */
#strengths {
  background: var(--white);
  padding: var(--section-pad);
}

.strengths-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.strength-item {
  padding: 40px;
  border: 1px solid var(--grey-border);
  position: relative;
  transition: var(--transition);
}

.strength-item:hover {
  border-color: var(--gold);
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.strength-item .strength-num {
  font-family: var(--font-en);
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  color: var(--gold);
  display: block;
  margin-bottom: 20px;
}

.strength-icon-wrap {
  width: 48px;
  height: 48px;
  margin-bottom: 24px;
  color: var(--navy);
}

.strength-icon-wrap svg {
  width: 100%;
  height: 100%;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.2;
}

.strength-item h3 {
  font-size: 1.1rem;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.strength-item p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.9;
}

/* === SUSTAINABILITY === */
#sustainability {
  background: var(--grey-pale);
  padding: var(--section-pad);
}

.sustainability-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-top: 60px;
}

.sustainability-item {
  background: var(--white);
  padding: 36px 30px;
  border-bottom: 3px solid transparent;
  transition: var(--transition);
}

.sustainability-item:hover {
  border-bottom-color: var(--gold);
  box-shadow: var(--shadow);
}

.sustainability-item .sustainability-icon-label {
  font-family: var(--font-en);
  font-size: 0.65rem;
  letter-spacing: 0.25em;
  color: var(--gold);
  text-transform: uppercase;
  border: 1px solid var(--gold);
  display: inline-block;
  padding: 4px 12px;
  margin-bottom: 16px;
}

.sustainability-item h4 {
  font-size: 1rem;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.sustainability-item p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.9;
}

/* === COMPANY PROFILE === */
#company-profile {
  padding: var(--section-pad);
  background: var(--white);
}

.company-layout {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 80px;
  align-items: start;
}

.company-table {
  width: 100%;
  border-collapse: collapse;
}

.company-table tr {
  border-bottom: 1px solid var(--grey-border);
}

.company-table tr:first-child {
  border-top: 1px solid var(--grey-border);
}

.company-table th {
  padding: 16px 20px 16px 0;
  font-size: 0.8rem;
  color: var(--text-light);
  font-weight: 400;
  letter-spacing: 0.05em;
  white-space: nowrap;
  width: 35%;
  vertical-align: top;
}

.company-table td {
  padding: 16px 0;
  font-size: 0.875rem;
  color: var(--text-primary);
  vertical-align: top;
  line-height: 1.7;
}

.banks-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 4px;
}

.bank-tag {
  font-size: 0.7rem;
  padding: 3px 10px;
  border: 1px solid var(--grey-border);
  color: var(--text-secondary);
}

/* === NEWS === */
#news {
  background: var(--grey-pale);
  padding: var(--section-pad);
}

.news-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--grey-border);
}

.news-item {
  display: flex;
  align-items: flex-start;
  gap: 30px;
  padding: 24px 0;
  border-bottom: 1px solid var(--grey-border);
  transition: var(--transition);
  text-decoration: none;
}

.news-item:hover {
  background: transparent;
}

.news-item:hover .news-title {
  color: var(--gold);
}

.news-date {
  font-family: var(--font-en);
  font-size: 0.8rem;
  color: var(--text-light);
  white-space: nowrap;
  padding-top: 2px;
  min-width: 90px;
}

.news-category {
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  padding: 3px 10px;
  border: 1px solid var(--gold);
  color: var(--gold);
  white-space: nowrap;
  align-self: center;
  min-width: 80px;
  text-align: center;
}

.news-title {
  font-size: 0.9rem;
  color: var(--text-primary);
  line-height: 1.6;
  transition: var(--transition);
  flex: 1;
  padding-top: 2px;
}

/* === CTA SECTION === */
#cta {
  background: var(--navy-dark);
  padding: 80px 0;
  text-align: center;
}

.cta-content .en-label {
  margin-bottom: 20px;
}

.cta-content h2 {
  font-size: clamp(1.4rem, 3vw, 2rem);
  color: var(--white);
  margin-bottom: 16px;
  font-weight: 400;
}

.cta-content p {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.65);
  max-width: 540px;
  margin: 0 auto 40px;
  line-height: 1.9;
}

.cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* === DISCLAIMER === */
.disclaimer-bar {
  background: var(--grey-dark);
  padding: 20px 40px;
  text-align: center;
  font-size: 0.72rem;
  color: rgba(255,255,255,0.4);
  line-height: 1.8;
}

/* === FOOTER === */
footer {
  background: var(--black);
  color: var(--white);
  padding: 70px 0 0;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 50px;
  padding-bottom: 50px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand .logo-en {
  font-family: var(--font-en);
  font-size: 1.1rem;
  letter-spacing: 0.15em;
  color: var(--white);
  display: block;
  margin-bottom: 4px;
}

.footer-brand .logo-ja {
  font-size: 0.7rem;
  color: rgba(255,255,255,0.4);
  letter-spacing: 0.1em;
  display: block;
  margin-bottom: 24px;
}

.footer-brand p {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.5);
  line-height: 1.8;
  margin-bottom: 20px;
}

.footer-address {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.4);
  line-height: 1.8;
}

.footer-col h4 {
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--gold);
  font-family: var(--font-en);
  text-transform: uppercase;
  margin-bottom: 20px;
  font-weight: 400;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul li a {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.5);
  transition: var(--transition);
}

.footer-col ul li a:hover {
  color: var(--gold);
}

.footer-bottom {
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-bottom .copyright {
  font-size: 0.7rem;
  color: rgba(255,255,255,0.3);
  font-family: var(--font-en);
}

.footer-bottom-links {
  display: flex;
  gap: 20px;
}

.footer-bottom-links a {
  font-size: 0.7rem;
  color: rgba(255,255,255,0.3);
  transition: var(--transition);
}

.footer-bottom-links a:hover {
  color: var(--gold);
}

/* === IMAGE SHOWCASE SECTION === */
#image-showcase {
  background: var(--navy-dark);
}

.showcase-hero-strip {
  display: grid;
  grid-template-columns: 1fr 1fr;
  height: 620px;
}

.showcase-feature {
  position: relative;
  overflow: hidden;
}

.showcase-feature img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s ease;
  display: block;
}

.showcase-feature:hover img {
  transform: scale(1.03);
}

.showcase-feature-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 30px 36px;
  background: linear-gradient(to top, rgba(6,22,40,0.92) 0%, transparent 100%);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.showcase-feature-caption .caption-en {
  font-family: var(--font-en);
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  color: var(--gold);
  text-transform: uppercase;
}

.showcase-feature-caption .caption-ja {
  font-size: 1.2rem;
  color: var(--white);
  font-weight: 300;
}

.showcase-side-grid {
  display: grid;
  grid-template-rows: 1fr 1fr 1fr;
  gap: 0;
}

.showcase-side-item {
  position: relative;
  overflow: hidden;
}

.showcase-side-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
  display: block;
}

.showcase-side-item:hover img {
  transform: scale(1.05);
}

.side-item-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 14px 20px;
  background: linear-gradient(to top, rgba(6,22,40,0.88) 0%, transparent 100%);
  display: flex;
  flex-direction: column;
  gap: 2px;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.showcase-side-item:hover .side-item-caption {
  opacity: 1;
}

.side-item-caption .caption-en {
  font-family: var(--font-en);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  color: var(--gold);
  text-transform: uppercase;
}

.side-item-caption .caption-ja {
  font-size: 0.85rem;
  color: var(--white);
}

/* Vision Strip */
.showcase-vision-strip {
  display: flex;
  align-items: stretch;
  background: var(--navy);
  border-top: 1px solid rgba(184,151,90,0.2);
}

.vision-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 28px 20px;
  transition: background 0.3s ease;
}

.vision-item:hover {
  background: rgba(184,151,90,0.05);
}

.vision-num {
  font-family: var(--font-en);
  font-size: 0.65rem;
  letter-spacing: 0.25em;
  color: var(--gold);
  text-transform: uppercase;
}

.vision-label-en {
  font-family: var(--font-en);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  color: var(--white);
  font-weight: 300;
}

.vision-label-ja {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.05em;
}

.vision-divider {
  width: 1px;
  background: rgba(184,151,90,0.2);
  margin: 16px 0;
}

@media (max-width: 1024px) {
  .showcase-hero-strip {
    height: 480px;
  }
}

@media (max-width: 768px) {
  .showcase-hero-strip {
    grid-template-columns: 1fr;
    height: auto;
  }
  
  .showcase-feature {
    height: 380px;
  }
  
  .showcase-side-grid {
    grid-template-rows: none;
    grid-template-columns: repeat(3, 1fr);
    height: 200px;
  }
  
  .side-item-caption {
    opacity: 1;
  }
  
  .showcase-vision-strip {
    flex-wrap: wrap;
  }
  
  .vision-item {
    width: 50%;
    flex: none;
  }
  
  .vision-divider {
    display: none;
  }
}

@media (max-width: 480px) {
  .showcase-side-grid {
    grid-template-columns: 1fr;
    height: auto;
  }
  
  .showcase-side-item {
    height: 180px;
  }
  
  .side-item-caption {
    opacity: 1;
  }
}

/* === PAGE HEADER (subpages) === */
.page-header {
  background: var(--navy-dark);
  padding: 150px 0 80px;
  position: relative;
  overflow: hidden;
}

.page-header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--gold), transparent);
}

.page-header .en-label {
  display: block;
  margin-bottom: 14px;
}

.page-header h1 {
  font-family: var(--font-en);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 300;
  color: var(--white);
  letter-spacing: 0.05em;
  margin-bottom: 10px;
}

.page-header .page-header-ja {
  font-size: 1rem;
  color: rgba(255,255,255,0.6);
}

.page-header .page-header-sub {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.55);
  max-width: 560px;
  margin-top: 20px;
  line-height: 1.8;
}

/* === BREADCRUMB === */
.breadcrumb {
  padding: 16px 0;
  border-bottom: 1px solid var(--grey-border);
  margin-bottom: 60px;
}

.breadcrumb ol {
  display: flex;
  gap: 12px;
  align-items: center;
  font-size: 0.75rem;
  color: var(--text-light);
}

.breadcrumb ol li + li::before {
  content: '/';
  margin-right: 12px;
  color: var(--grey-border);
}

.breadcrumb ol li a {
  color: var(--text-light);
  transition: var(--transition);
}

.breadcrumb ol li a:hover {
  color: var(--gold);
}

/* === ANIMATIONS === */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-up-delay-1 { transition-delay: 0.1s; }
.fade-up-delay-2 { transition-delay: 0.2s; }
.fade-up-delay-3 { transition-delay: 0.3s; }
.fade-up-delay-4 { transition-delay: 0.4s; }

/* === MOBILE NAVIGATION MENU === */
.mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 300px;
  height: 100vh;
  background: var(--navy-dark);
  z-index: 2000;
  padding: 80px 40px;
  transition: right 0.4s ease;
  overflow-y: auto;
}

.mobile-menu.open {
  right: 0;
}

.mobile-menu-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: none;
  border: none;
  color: var(--white);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 10px;
}

.mobile-menu nav {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.mobile-menu nav a {
  color: rgba(255,255,255,0.8);
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: var(--transition);
}

.mobile-menu nav a:hover {
  color: var(--gold);
}

.mobile-menu-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 1999;
  display: none;
}

.mobile-menu-overlay.open {
  display: block;
}

/* === RESPONSIVE === */
@media (max-width: 1024px) {
  .nav-menu {
    display: none;
  }
  .nav-hamburger {
    display: flex;
  }
  
  .financial-highlights-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .pillars-grid {
    grid-template-columns: 1fr;
  }
  
  .revenue-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .barbell-layout {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .barbell-center {
    flex-direction: row;
    justify-content: center;
  }
  
  .barbell-line {
    width: 80px;
    height: 1px;
    background: linear-gradient(to right, transparent, var(--gold), transparent);
  }
  
  .hotels-grid {
    grid-template-columns: 1fr;
  }
  
  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .strengths-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  .sustainability-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  .company-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: 30px;
  }
}

@media (max-width: 768px) {
  :root {
    --section-pad: 70px 0;
  }
  
  .container {
    padding: 0 20px;
  }
  
  .hero-content {
    padding: 0 20px;
  }
  
  .nav-inner {
    padding: 0 20px;
  }
  
  .financial-highlights-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  .portfolio-grid {
    grid-template-columns: 1fr;
  }
  
  .strengths-grid {
    grid-template-columns: 1fr;
  }
  
  .sustainability-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-inner {
    grid-template-columns: 1fr;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 14px;
    text-align: center;
  }
  
  .hero-cta {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .portfolio-categories {
    flex-wrap: wrap;
  }
  
  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }
}

@media (max-width: 480px) {
  .financial-highlights-grid {
    grid-template-columns: 1fr;
  }
  
  .highlight-card {
    padding: 30px 20px;
  }
}

/* === COMPANY MAP === */
.company-map {
  margin-top: 40px;
}

.map-label {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.map-embed {
  border: 1px solid var(--grey-border);
  overflow: hidden;
}

.map-embed iframe {
  display: block;
}

/* === INSTAGRAM SECTION === */
#instagram {
  background: var(--white);
  padding: var(--section-pad);
}

.instagram-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 50px;
  gap: 30px;
  flex-wrap: wrap;
}

.instagram-follow-btns {
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex-shrink: 0;
}

.instagram-follow-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--navy);
  padding: 10px 20px;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--navy);
  transition: var(--transition);
  white-space: nowrap;
}

.instagram-follow-btn svg {
  width: 18px;
  height: 18px;
}

.instagram-follow-btn:hover {
  background: var(--navy);
  color: var(--white);
}

.follow-arrow {
  font-family: var(--font-en);
  font-size: 0.85rem;
}

.instagram-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 6px;
}

.insta-placeholder {
  position: relative;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  display: block;
  background: var(--grey-pale);
}

.insta-placeholder img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.insta-placeholder:hover img {
  transform: scale(1.06);
}

.insta-label {
  position: absolute;
  bottom: 8px;
  left: 10px;
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.7);
  font-family: var(--font-en);
  z-index: 2;
  pointer-events: none;
}

.insta-overlay {
  position: absolute;
  inset: 0;
  background: rgba(11,31,58,0);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.3s ease;
}

.insta-overlay svg {
  width: 28px;
  height: 28px;
  color: var(--white);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.insta-placeholder:hover .insta-overlay {
  background: rgba(11,31,58,0.5);
}

.insta-placeholder:hover .insta-overlay svg {
  opacity: 1;
}

/* Footer Social Links */
.footer-social {
  margin-top: 20px;
}

.social-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.45);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  transition: var(--transition);
}

.social-link:hover {
  color: var(--gold);
}

.social-link svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

@media (max-width: 1024px) {
  .instagram-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .instagram-header {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .instagram-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 4px;
  }
}

@media (max-width: 480px) {
  .instagram-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* === UTILITY === */
.text-gold { color: var(--gold); }
.text-white { color: var(--white); }
.text-navy { color: var(--navy); }
.text-light { color: var(--text-light); }

.mb-0 { margin-bottom: 0; }
.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.mb-40 { margin-bottom: 40px; }
.mb-60 { margin-bottom: 60px; }

.text-center { text-align: center; }
.text-right { text-align: right; }

/* Loading animation for numbers */
.count-up {
  display: inline-block;
}

/* Gold divider */
.gold-divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--gold), transparent);
  margin: 40px 0;
}

/* Section tag */
.section-tag {
  display: inline-block;
  font-size: 0.65rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  font-family: var(--font-en);
  color: var(--gold);
  border: 1px solid rgba(184,151,90,0.4);
  padding: 4px 14px;
  margin-bottom: 20px;
}

.section--dark .section-tag {
  color: var(--gold-light);
  border-color: rgba(212,175,122,0.4);
}