/* ========================================
   株式会社プライム - Corporate Website
   Main Stylesheet
   ======================================== */

/* ---------- CSS Variables ---------- */
:root {
  --color-primary: #1a1a1a;
  --color-secondary: #c9a96e;
  --color-accent: #8b7355;
  --color-white: #ffffff;
  --color-light: #f8f6f3;
  --color-gray: #6b6b6b;
  --color-gray-light: #e5e5e5;
  --color-bg: #0d0d0d;
  --color-bg-dark: #050505;
  --color-gold: #c9a96e;
  --color-gold-light: #e8d5b0;

  --font-primary: 'Noto Serif JP', 'Yu Mincho', 'YuMincho', serif;
  --font-secondary: 'Montserrat', 'Noto Sans JP', sans-serif;
  --font-body: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', sans-serif;

  --transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
  --transition-fast: all 0.2s ease;
  --shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
  --shadow-light: 0 2px 15px rgba(0, 0, 0, 0.1);

  --header-height: 80px;
  --section-padding: 120px 0;
  --container-max: 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-body);
  background-color: var(--color-bg);
  color: var(--color-white);
  line-height: 1.8;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

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

ul, ol {
  list-style: none;
}

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5 {
  font-family: var(--font-primary);
  line-height: 1.3;
  letter-spacing: 0.05em;
}

.section-label {
  font-family: var(--font-secondary);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-gold);
  display: block;
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--font-primary);
  font-size: clamp(28px, 4vw, 48px);
  color: var(--color-white);
  margin-bottom: 24px;
  line-height: 1.4;
}

.section-subtitle {
  font-family: var(--font-secondary);
  font-size: clamp(36px, 6vw, 72px);
  font-weight: 700;
  color: rgba(255, 255, 255, 0.05);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  position: absolute;
  top: -20px;
  left: 50%;
  transform: translateX(-50%);
  white-space: nowrap;
  pointer-events: none;
  user-select: none;
}

.section-desc {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.9;
  max-width: 600px;
}

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

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 36px;
  font-family: var(--font-secondary);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  outline: none;
}

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

.btn-primary:hover {
  background: var(--color-gold-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(201, 169, 110, 0.4);
}

.btn-outline {
  background: transparent;
  color: var(--color-gold);
  border: 1px solid var(--color-gold);
}

.btn-outline:hover {
  background: var(--color-gold);
  color: var(--color-bg);
  transform: translateY(-2px);
}

.btn-text {
  background: transparent;
  color: var(--color-gold);
  padding: 8px 0;
  font-size: 12px;
  letter-spacing: 0.15em;
  border-bottom: 1px solid transparent;
}

.btn-text:hover {
  border-bottom-color: var(--color-gold);
}

.btn-text .arrow {
  transition: transform 0.3s ease;
}

.btn-text:hover .arrow {
  transform: translateX(5px);
}

/* ---------- Loading Screen ---------- */
#loading-screen {
  position: fixed;
  inset: 0;
  background: var(--color-bg-dark);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  transition: opacity 0.8s ease, visibility 0.8s ease;
}

#loading-screen.hidden {
  opacity: 0;
  visibility: hidden;
}

.loading-logo {
  font-family: var(--font-secondary);
  font-size: 32px;
  font-weight: 700;
  letter-spacing: 0.3em;
  color: var(--color-gold);
  margin-bottom: 40px;
}

.loading-bar {
  width: 200px;
  height: 1px;
  background: rgba(255,255,255,0.1);
  position: relative;
  overflow: hidden;
}

.loading-bar::after {
  content: '';
  position: absolute;
  left: -100%;
  top: 0;
  width: 100%;
  height: 100%;
  background: var(--color-gold);
  animation: loadingBar 1.5s ease forwards;
}

@keyframes loadingBar {
  to { left: 0; }
}

/* ---------- Header ---------- */
#header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  z-index: 1000;
  transition: var(--transition);
}

#header.scrolled {
  background: rgba(13, 13, 13, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(201, 169, 110, 0.15);
  height: 64px;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  padding: 0 40px;
}

.header-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-mark {
  width: 40px;
  height: 40px;
  background: var(--color-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
}

.logo-mark span {
  font-family: var(--font-secondary);
  font-size: 16px;
  font-weight: 800;
  color: var(--color-bg);
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-text .en {
  font-family: var(--font-secondary);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--color-white);
  line-height: 1;
}

.logo-text .jp {
  font-family: var(--font-body);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.5);
  line-height: 1;
  margin-top: 4px;
}

.header-nav ul {
  display: flex;
  align-items: center;
  gap: 36px;
}

.header-nav a {
  font-family: var(--font-secondary);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.8);
  position: relative;
  padding-bottom: 4px;
}

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

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

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

.header-contact {
  font-family: var(--font-secondary);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-gold);
  border: 1px solid rgba(201, 169, 110, 0.5);
  padding: 8px 20px;
  transition: var(--transition);
}

.header-contact:hover {
  background: var(--color-gold);
  color: var(--color-bg);
}

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

.hamburger span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--color-white);
  transition: var(--transition);
}

/* ---------- Hero Section ---------- */
#hero {
  height: 100vh;
  min-height: 700px;
  position: relative;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #0d0d0d 0%, #1a1510 50%, #0d0d0d 100%);
}

.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse at 20% 50%, rgba(201, 169, 110, 0.08) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(201, 169, 110, 0.05) 0%, transparent 50%);
}

.hero-particles {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.particle {
  position: absolute;
  width: 1px;
  height: 1px;
  background: var(--color-gold);
  border-radius: 50%;
  opacity: 0;
  animation: particleFloat linear infinite;
}

@keyframes particleFloat {
  0% { transform: translateY(100vh) scale(0); opacity: 0; }
  10% { opacity: 0.6; }
  90% { opacity: 0.3; }
  100% { transform: translateY(-100px) scale(1); opacity: 0; }
}

.hero-content {
  position: relative;
  z-index: 2;
  padding-left: 40px;
  max-width: 900px;
}

.hero-eyebrow {
  font-family: var(--font-secondary);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 32px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.hero-eyebrow::before {
  content: '';
  display: block;
  width: 40px;
  height: 1px;
  background: var(--color-gold);
}

.hero-title {
  font-family: var(--font-primary);
  font-size: clamp(36px, 5vw, 72px);
  line-height: 1.25;
  margin-bottom: 32px;
  color: var(--color-white);
}

.hero-title .en {
  font-family: var(--font-secondary);
  font-size: clamp(48px, 7vw, 100px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 0.9;
  color: var(--color-white);
  display: block;
  opacity: 0;
  transform: translateY(30px);
  animation: heroTextIn 1s ease 0.5s forwards;
}

.hero-title .jp {
  font-size: clamp(18px, 2.5vw, 32px);
  color: rgba(255,255,255,0.7);
  display: block;
  margin-top: 16px;
  opacity: 0;
  transform: translateY(20px);
  animation: heroTextIn 1s ease 0.8s forwards;
}

@keyframes heroTextIn {
  to { opacity: 1; transform: translateY(0); }
}

.hero-desc {
  font-size: 15px;
  color: rgba(255,255,255,0.6);
  line-height: 2;
  margin-bottom: 48px;
  max-width: 500px;
  opacity: 0;
  animation: heroTextIn 1s ease 1.1s forwards;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 32px;
  opacity: 0;
  animation: heroTextIn 1s ease 1.4s forwards;
}

.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  z-index: 2;
  animation: bounce 2s ease-in-out infinite;
}

.hero-scroll span {
  font-family: var(--font-secondary);
  font-size: 10px;
  letter-spacing: 0.3em;
  color: rgba(255,255,255,0.4);
  writing-mode: vertical-rl;
  text-orientation: mixed;
}

.hero-scroll-line {
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, rgba(201,169,110,0.8), transparent);
  animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
  0%, 100% { transform: scaleY(1); transform-origin: top; }
  50% { transform: scaleY(0.5); transform-origin: top; }
}

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

.hero-stats {
  position: absolute;
  right: 80px;
  bottom: 100px;
  z-index: 2;
  display: flex;
  gap: 48px;
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-family: var(--font-secondary);
  font-size: 36px;
  font-weight: 700;
  color: var(--color-gold);
  line-height: 1;
}

.stat-label {
  font-size: 10px;
  letter-spacing: 0.15em;
  color: rgba(255,255,255,0.5);
  margin-top: 6px;
}

/* ---------- Group Introduction ---------- */
#about {
  padding: var(--section-padding);
  background: var(--color-bg);
  position: relative;
  overflow: hidden;
}

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

.about-visual {
  position: relative;
}

.about-image-frame {
  position: relative;
  aspect-ratio: 4/5;
  overflow: hidden;
}

.about-image-frame .main-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(20%) brightness(0.9);
  transition: var(--transition);
}

.about-image-frame:hover .main-img {
  transform: scale(1.03);
  filter: grayscale(0%) brightness(1);
}

.about-image-frame::before {
  content: '';
  position: absolute;
  inset: -20px -20px 20px 20px;
  border: 1px solid rgba(201, 169, 110, 0.3);
  z-index: -1;
}

.about-image-frame::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 40%;
  background: linear-gradient(to top, rgba(13,13,13,0.8), transparent);
}

.about-badge {
  position: absolute;
  bottom: 30px;
  right: -30px;
  background: var(--color-gold);
  color: var(--color-bg);
  padding: 20px 28px;
  z-index: 2;
}

.about-badge .num {
  font-family: var(--font-secondary);
  font-size: 40px;
  font-weight: 700;
  line-height: 1;
}

.about-badge .text {
  font-size: 11px;
  letter-spacing: 0.1em;
  margin-top: 4px;
}

.about-content {
  padding-left: 20px;
}

.about-content .section-title {
  margin-bottom: 32px;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 40px;
}

.feature-item {
  padding: 20px;
  border: 1px solid rgba(255,255,255,0.06);
  background: rgba(255,255,255,0.02);
  transition: var(--transition);
}

.feature-item:hover {
  border-color: rgba(201, 169, 110, 0.3);
  background: rgba(201, 169, 110, 0.05);
}

.feature-item .icon {
  width: 32px;
  height: 32px;
  color: var(--color-gold);
  margin-bottom: 12px;
}

.feature-item h4 {
  font-size: 13px;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
  color: var(--color-white);
}

.feature-item p {
  font-size: 12px;
  color: rgba(255,255,255,0.5);
  line-height: 1.7;
}

/* ---------- Companies Section ---------- */
#companies {
  padding: var(--section-padding);
  background: linear-gradient(180deg, var(--color-bg) 0%, #0a0a0a 100%);
  position: relative;
}

.section-header {
  text-align: center;
  position: relative;
  margin-bottom: 80px;
  padding-top: 30px;
}

.companies-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
  margin-top: 60px;
}

.company-card {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16/9;
  cursor: pointer;
  background: #111;
}

.company-card-bg {
  position: absolute;
  inset: 0;
  transition: var(--transition);
}

.company-card:nth-child(1) .company-card-bg { background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%); }
.company-card:nth-child(2) .company-card-bg { background: linear-gradient(135deg, #0f2027 0%, #203a43 100%); }
.company-card:nth-child(3) .company-card-bg { background: linear-gradient(135deg, #1a1a1a 0%, #2d1b00 100%); }
.company-card:nth-child(4) .company-card-bg { background: linear-gradient(135deg, #0d1117 0%, #1a2334 100%); }

.company-card:hover .company-card-bg {
  transform: scale(1.05);
}

.company-card-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.4);
  transition: var(--transition);
  z-index: 1;
}

.company-card:hover .company-card-overlay {
  background: rgba(0,0,0,0.2);
}

.company-card-content {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 36px 40px;
}

.company-number {
  font-family: var(--font-secondary);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.3em;
  color: var(--color-gold);
}

.company-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.company-name-en {
  font-family: var(--font-secondary);
  font-size: clamp(20px, 3vw, 32px);
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--color-white);
  margin-bottom: 8px;
}

.company-name-jp {
  font-family: var(--font-body);
  font-size: 12px;
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}

.company-tag {
  display: inline-block;
  font-family: var(--font-secondary);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-gold);
  border: 1px solid rgba(201, 169, 110, 0.4);
  padding: 4px 12px;
  margin-bottom: 16px;
}

.company-desc {
  font-size: 13px;
  color: rgba(255,255,255,0.6);
  line-height: 1.7;
  max-width: 320px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.company-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.company-link {
  font-family: var(--font-secondary);
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-gold);
  display: flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
}

.company-link:hover {
  gap: 14px;
}

.company-icon {
  width: 48px;
  height: 48px;
  border: 1px solid rgba(201, 169, 110, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.company-card:hover .company-icon {
  background: var(--color-gold);
  border-color: var(--color-gold);
}

.company-icon svg {
  transition: var(--transition);
}

.company-card:hover .company-icon svg {
  stroke: var(--color-bg);
}

/* ---------- Brands Section ---------- */
#brands {
  padding: var(--section-padding);
  background: var(--color-bg-dark);
  position: relative;
  overflow: hidden;
}

#brands::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--color-gold), transparent);
}

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

.brand-card {
  position: relative;
  overflow: hidden;
  padding: 60px 50px;
  transition: var(--transition);
  cursor: pointer;
}

.brand-card::before {
  content: '';
  position: absolute;
  inset: 0;
  transition: var(--transition);
}

.brand-card.seven::before {
  background: linear-gradient(135deg, #1a2a3a 0%, #0d1a2a 100%);
}

.brand-card.duty::before {
  background: linear-gradient(135deg, #1a1a1a 0%, #2a1a0a 100%);
}

.brand-card:hover::before {
  transform: scale(1.02);
}

.brand-card-content {
  position: relative;
  z-index: 2;
}

.brand-logo-area {
  margin-bottom: 40px;
}

.brand-logo-text {
  font-family: var(--font-secondary);
  font-size: clamp(40px, 5vw, 72px);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1;
}

.brand-card.seven .brand-logo-text {
  color: transparent;
  -webkit-text-stroke: 1px rgba(201, 169, 110, 0.8);
}

.brand-card.duty .brand-logo-text {
  color: var(--color-white);
}

.brand-type {
  font-family: var(--font-secondary);
  font-size: 10px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-top: 8px;
}

.brand-divider {
  width: 40px;
  height: 1px;
  background: var(--color-gold);
  margin: 32px 0;
}

.brand-name-jp {
  font-family: var(--font-primary);
  font-size: 18px;
  color: var(--color-white);
  margin-bottom: 16px;
}

.brand-desc {
  font-size: 13px;
  color: rgba(255,255,255,0.55);
  line-height: 1.9;
  margin-bottom: 36px;
}

.brand-cta {
  display: flex;
  align-items: center;
  gap: 16px;
}

.brand-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.brand-card:hover::after {
  transform: scaleX(1);
}

.brand-bg-text {
  position: absolute;
  bottom: -20px;
  right: -20px;
  font-family: var(--font-secondary);
  font-size: 120px;
  font-weight: 800;
  color: rgba(255,255,255,0.02);
  line-height: 1;
  z-index: 1;
  user-select: none;
  pointer-events: none;
}

/* ---------- Vision Section ---------- */
#vision {
  padding: var(--section-padding);
  background: var(--color-bg);
  position: relative;
  overflow: hidden;
}

.vision-bg-line {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(to right, transparent, rgba(201,169,110,0.2), transparent);
  transform: translateY(-50%);
}

.vision-content {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  padding: 80px 0;
  position: relative;
}

.vision-quote-mark {
  font-family: var(--font-secondary);
  font-size: 120px;
  color: rgba(201, 169, 110, 0.15);
  line-height: 0.7;
  margin-bottom: 40px;
}

.vision-quote {
  font-family: var(--font-primary);
  font-size: clamp(20px, 3vw, 32px);
  color: var(--color-white);
  line-height: 1.8;
  margin-bottom: 24px;
}

.vision-sub {
  font-size: 14px;
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.1em;
  line-height: 2;
}

.vision-values {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(255,255,255,0.05);
  margin-top: 80px;
}

.value-item {
  background: var(--color-bg);
  padding: 50px 40px;
  text-align: center;
  transition: var(--transition);
}

.value-item:hover {
  background: rgba(201, 169, 110, 0.05);
}

.value-num {
  font-family: var(--font-secondary);
  font-size: 48px;
  font-weight: 700;
  color: rgba(201, 169, 110, 0.2);
  line-height: 1;
  margin-bottom: 20px;
}

.value-title {
  font-family: var(--font-secondary);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 16px;
}

.value-desc {
  font-size: 13px;
  color: rgba(255,255,255,0.5);
  line-height: 1.8;
}

/* ---------- News Section ---------- */
#news {
  padding: var(--section-padding);
  background: linear-gradient(180deg, var(--color-bg) 0%, #050505 100%);
}

.news-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 60px;
}

.news-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.news-item {
  display: grid;
  grid-template-columns: 140px 80px 1fr auto;
  align-items: center;
  gap: 32px;
  padding: 28px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: var(--transition);
  cursor: pointer;
}

.news-item:hover {
  padding-left: 12px;
  border-bottom-color: rgba(201,169,110,0.3);
}

.news-date {
  font-family: var(--font-secondary);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.4);
}

.news-category {
  font-family: var(--font-secondary);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-gold);
  border: 1px solid rgba(201, 169, 110, 0.4);
  padding: 3px 10px;
  text-align: center;
}

.news-title {
  font-size: 14px;
  color: rgba(255,255,255,0.8);
  letter-spacing: 0.03em;
}

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

.news-arrow {
  color: rgba(201,169,110,0.5);
  transition: var(--transition);
}

.news-item:hover .news-arrow {
  color: var(--color-gold);
  transform: translateX(4px);
}

/* ---------- Contact Section ---------- */
#contact {
  padding: var(--section-padding);
  background: var(--color-bg-dark);
  position: relative;
  overflow: hidden;
}

#contact::before {
  content: '';
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse at 30% 50%, rgba(201,169,110,0.06) 0%, transparent 60%),
    radial-gradient(ellipse at 70% 50%, rgba(201,169,110,0.04) 0%, transparent 50%);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 80px;
  align-items: start;
  position: relative;
  z-index: 1;
}

.contact-info .section-title {
  margin-bottom: 24px;
}

.contact-info-items {
  margin-top: 48px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-info-item {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.contact-info-icon {
  width: 40px;
  height: 40px;
  border: 1px solid rgba(201,169,110,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--color-gold);
}

.contact-info-text h4 {
  font-family: var(--font-secondary);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 4px;
}

.contact-info-text p {
  font-size: 14px;
  color: rgba(255,255,255,0.7);
  line-height: 1.6;
}

.contact-form {
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.06);
  padding: 50px;
}

.form-group {
  margin-bottom: 28px;
}

.form-label {
  display: block;
  font-family: var(--font-secondary);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  margin-bottom: 10px;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid rgba(255,255,255,0.15);
  padding: 12px 0;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--color-white);
  outline: none;
  transition: border-color 0.3s ease;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-bottom-color: var(--color-gold);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: rgba(255,255,255,0.2);
}

.form-select option {
  background: var(--color-bg);
  color: var(--color-white);
}

.form-textarea {
  height: 120px;
  resize: none;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

/* ---------- Footer ---------- */
#footer {
  background: var(--color-bg-dark);
  border-top: 1px solid rgba(255,255,255,0.06);
}

.footer-top {
  padding: 80px 0 60px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 60px;
}

.footer-brand .logo-text .en {
  font-size: 22px;
}

.footer-brand .logo-text .jp {
  font-size: 11px;
}

.footer-tagline {
  font-family: var(--font-primary);
  font-size: 13px;
  color: rgba(255,255,255,0.4);
  margin-top: 20px;
  line-height: 1.8;
}

.footer-col h4 {
  font-family: var(--font-secondary);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 24px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  font-size: 13px;
  color: rgba(255,255,255,0.4);
  letter-spacing: 0.03em;
  transition: var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-gold);
  padding-left: 6px;
}

.footer-bottom {
  padding: 24px 0;
  border-top: 1px solid rgba(255,255,255,0.05);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-copy {
  font-family: var(--font-secondary);
  font-size: 11px;
  color: rgba(255,255,255,0.3);
  letter-spacing: 0.1em;
}

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

.footer-legal a {
  font-family: var(--font-secondary);
  font-size: 11px;
  color: rgba(255,255,255,0.3);
  letter-spacing: 0.05em;
  transition: var(--transition-fast);
}

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

/* ---------- Scroll Animations ---------- */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.fade-in-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.fade-in-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* ---------- Mobile Menu ---------- */
.mobile-menu {
  position: fixed;
  inset: 0;
  background: var(--color-bg-dark);
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transform: translateX(100%);
  transition: transform 0.5s cubic-bezier(0.77, 0, 0.175, 1);
}

.mobile-menu.open {
  transform: translateX(0);
}

.mobile-menu nav ul {
  display: flex;
  flex-direction: column;
  gap: 32px;
  text-align: center;
}

.mobile-menu nav a {
  font-family: var(--font-primary);
  font-size: 28px;
  color: rgba(255,255,255,0.8);
  letter-spacing: 0.05em;
  transition: var(--transition-fast);
}

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

.mobile-menu-close {
  position: absolute;
  top: 24px;
  right: 24px;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: rgba(255,255,255,0.7);
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  :root {
    --section-padding: 80px 0;
    --container-max: 100%;
  }

  .container {
    padding: 0 24px;
  }

  .hero-stats {
    right: 24px;
    bottom: 80px;
    gap: 32px;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 50px;
  }

  .about-visual {
    max-width: 480px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 64px;
  }

  .header-nav,
  .header-contact {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .hero-stats {
    display: none;
  }

  .hero-content {
    padding: 0 24px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
  }

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

  .company-card {
    aspect-ratio: 16/8;
  }

  .brands-wrapper {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .brand-card {
    padding: 40px 30px;
  }

  .vision-values {
    grid-template-columns: 1fr;
  }

  .news-item {
    grid-template-columns: 100px 70px 1fr;
    gap: 16px;
  }

  .news-arrow {
    display: none;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 50px;
  }

  .contact-form {
    padding: 32px 24px;
  }

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  .section-subtitle {
    display: none;
  }
}

@media (max-width: 480px) {
  .news-item {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .about-badge {
    right: 0;
  }
}