/* ========================================
   GRAN MAISON - Style
   Luxury Residential Architecture
   ======================================== */

/* --- Reset & Base --- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --black: #0A0A0A;
  --gold: #C5A55A;
  --gold-light: #D4B96E;
  --gold-dark: #A8893E;
  --offwhite: #FAF8F5;
  --gray-100: #F5F3F0;
  --gray-200: #E8E4DF;
  --gray-400: #A09890;
  --gray-600: #6B6460;
  --gray-800: #3A3632;
  --font-en: 'Cormorant Garamond', serif;
  --font-jp: 'Shippori Mincho', serif;
  --transition: 0.6s cubic-bezier(0.23, 1, 0.32, 1);
}

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

body {
  font-family: var(--font-jp);
  background: var(--offwhite);
  color: var(--black);
  line-height: 1.9;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: color 0.3s;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
}

.sp-only { display: none; }

/* --- Sample Banner --- */
.sample-banner {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 10000;
  background: var(--gold);
  color: var(--black);
  text-align: center;
  padding: 8px 16px;
  font-size: 12px;
  font-family: var(--font-jp);
  letter-spacing: 0.08em;
  font-weight: 500;
}

.sample-banner a {
  color: var(--black);
  text-decoration: underline;
  font-weight: 600;
}

/* --- Header --- */
.header {
  position: fixed;
  top: 32px;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 0 40px;
  transition: background 0.4s, backdrop-filter 0.4s, padding 0.4s;
}

.header.scrolled {
  background: rgba(10, 10, 10, 0.92);
  backdrop-filter: blur(20px);
  padding: 0 40px;
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 14px;
}

.logo-monogram {
  flex-shrink: 0;
}

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

.logo-en {
  font-family: var(--font-en);
  font-size: 18px;
  font-weight: 400;
  letter-spacing: 0.2em;
  color: #fff;
  line-height: 1.2;
}

.logo-jp {
  font-family: var(--font-jp);
  font-size: 10px;
  letter-spacing: 0.3em;
  color: var(--gold);
  line-height: 1.2;
}

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

.nav-desktop a {
  font-family: var(--font-en);
  font-size: 13px;
  letter-spacing: 0.15em;
  color: rgba(255,255,255,0.7);
  transition: color 0.3s;
  position: relative;
}

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

.nav-desktop a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--gold);
  transition: width 0.3s;
}

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

.nav-contact {
  border: 1px solid var(--gold);
  padding: 8px 24px;
  color: var(--gold) !important;
  transition: background 0.3s, color 0.3s !important;
}

.nav-contact:hover {
  background: var(--gold);
  color: var(--black) !important;
}

.nav-contact::after { display: none !important; }

/* Hamburger */
.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 32px;
  height: 24px;
  position: relative;
  z-index: 1100;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 1px;
  background: #fff;
  position: absolute;
  left: 0;
  transition: var(--transition);
}

.hamburger span:nth-child(1) { top: 2px; }
.hamburger span:nth-child(2) { top: 11px; }
.hamburger span:nth-child(3) { top: 20px; }

.hamburger.active span:nth-child(1) {
  top: 11px;
  transform: rotate(45deg);
}

.hamburger.active span:nth-child(2) { opacity: 0; }

.hamburger.active span:nth-child(3) {
  top: 11px;
  transform: rotate(-45deg);
}

/* Mobile Nav */
.mobile-nav {
  position: fixed;
  top: 0;
  right: -100%;
  width: 100%;
  height: 100vh;
  height: 100dvh;
  background: var(--black);
  z-index: 1050;
  transition: right 0.5s cubic-bezier(0.23, 1, 0.32, 1);
  overflow-y: auto;
}

.mobile-nav.active {
  right: 0;
}

.mobile-nav-inner {
  padding: 120px 40px 60px;
  display: flex;
  flex-direction: column;
  min-height: 100%;
}

.mobile-nav-logo-en {
  font-family: var(--font-en);
  font-size: 24px;
  letter-spacing: 0.2em;
  color: #fff;
  display: block;
  margin-bottom: 4px;
}

.mobile-nav-logo-jp {
  font-family: var(--font-jp);
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--gold);
  display: block;
  margin-bottom: 48px;
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.mobile-nav-link-num {
  font-family: var(--font-en);
  font-size: 10px;
  letter-spacing: 0.15em;
  color: var(--gold);
  margin-right: 16px;
}

.mobile-nav-links a {
  font-family: var(--font-en);
  font-size: 14px;
  letter-spacing: 0.2em;
  color: rgba(255,255,255,0.7);
  padding: 18px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: color 0.3s, padding-left 0.3s;
  display: flex;
  align-items: center;
}

.mobile-nav-links a:hover {
  color: var(--gold);
  padding-left: 12px;
}

.mobile-nav-info {
  margin-top: auto;
  padding-top: 48px;
}

.mobile-nav-phone {
  font-family: var(--font-en);
  font-size: 20px;
  letter-spacing: 0.1em;
  color: var(--gold);
  margin-bottom: 4px;
}

.mobile-nav-hours {
  font-size: 12px;
  color: var(--gray-400);
}

/* --- Hero --- */
.hero {
  position: relative;
  height: 100vh;
  height: 100dvh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

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

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.05);
  animation: heroZoom 20s ease-out forwards;
}

@keyframes heroZoom {
  to { transform: scale(1); }
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(10,10,10,0.5) 0%,
    rgba(10,10,10,0.3) 40%,
    rgba(10,10,10,0.6) 100%
  );
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 40px;
}

.hero-accent-line {
  width: 1px;
  height: 60px;
  background: var(--gold);
  margin: 0 auto 40px;
  animation: lineGrow 1.2s ease-out 0.3s both;
}

@keyframes lineGrow {
  from { height: 0; opacity: 0; }
  to { height: 60px; opacity: 1; }
}

.hero-title {
  margin-bottom: 20px;
}

.hero-title-jp {
  display: block;
  font-family: var(--font-jp);
  font-size: clamp(32px, 6vw, 64px);
  font-weight: 400;
  color: #fff;
  letter-spacing: 0.15em;
  line-height: 1.4;
  animation: fadeUp 1s ease-out 0.6s both;
}

.hero-subtitle {
  font-family: var(--font-en);
  font-size: clamp(14px, 2vw, 18px);
  font-weight: 300;
  color: var(--gold);
  letter-spacing: 0.3em;
  margin-bottom: 32px;
  animation: fadeUp 1s ease-out 0.8s both;
}

.hero-desc {
  font-size: 14px;
  color: rgba(255,255,255,0.7);
  letter-spacing: 0.1em;
  line-height: 2;
  animation: fadeUp 1s ease-out 1s both;
}

.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  animation: fadeUp 1s ease-out 1.2s both;
}

.hero-scroll span {
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: rgba(255,255,255,0.5);
}

.hero-scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--gold), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

/* --- Sections Common --- */
.section {
  padding: 140px 0;
}

.section-label {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 48px;
}

.section-label-num {
  font-family: var(--font-en);
  font-size: 13px;
  letter-spacing: 0.15em;
  color: var(--gold);
}

.section-label-line {
  display: block;
  width: 40px;
  height: 1px;
  background: var(--gold);
}

.section-label-text {
  font-family: var(--font-en);
  font-size: 13px;
  letter-spacing: 0.2em;
  color: var(--gray-400);
  text-transform: uppercase;
}

.section-title-jp {
  font-family: var(--font-jp);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 400;
  letter-spacing: 0.08em;
  line-height: 1.6;
  color: var(--black);
}

.section-title-en {
  font-family: var(--font-en);
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 300;
  letter-spacing: 0.05em;
  line-height: 1.3;
  color: var(--black);
  margin-bottom: 20px;
}

.section-lead {
  font-size: 15px;
  color: var(--gray-600);
  letter-spacing: 0.08em;
  line-height: 2;
  margin-bottom: 64px;
}

.gold-line {
  width: 40px;
  height: 1px;
  background: var(--gold);
  margin-top: 32px;
}

/* --- Philosophy --- */
.philosophy {
  background: var(--offwhite);
}

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

.philosophy-icon {
  margin-bottom: 32px;
}

.philosophy-text {
  font-size: 15px;
  color: var(--gray-600);
  letter-spacing: 0.06em;
  line-height: 2.2;
  margin-bottom: 24px;
}

.philosophy-text:last-child {
  margin-bottom: 0;
}

.philosophy-quote {
  font-family: var(--font-en);
  font-size: 15px;
  font-style: italic;
  font-weight: 300;
  color: var(--gray-400);
  letter-spacing: 0.05em;
  line-height: 2;
  margin-top: 40px;
}

/* --- Gallery --- */
.section-gallery {
  padding: 0;
  overflow: hidden;
}

.gallery-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 4px;
  height: 50vh;
  min-height: 360px;
}

.gallery-item {
  overflow: hidden;
  position: relative;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1s cubic-bezier(0.23, 1, 0.32, 1);
}

.gallery-item:hover img {
  transform: scale(1.06);
}

.gallery-item-tall {
  grid-row: span 1;
}

/* --- Coordinate --- */
.coordinate {
  background: var(--black);
  color: #fff;
}

.coordinate .section-title-en {
  color: #fff;
}

.coordinate .section-lead {
  color: var(--gray-400);
}

.coordinate-cards {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 2px;
}

.coordinate-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
  padding: 48px 28px;
  transition: background 0.4s, border-color 0.4s;
  position: relative;
}

.coordinate-card:hover {
  background: rgba(197, 165, 90, 0.06);
  border-color: rgba(197, 165, 90, 0.2);
}

.coordinate-num {
  font-family: var(--font-en);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--gold);
  display: block;
  margin-bottom: 24px;
}

.coordinate-icon {
  margin-bottom: 24px;
}

.coordinate-title {
  font-family: var(--font-jp);
  font-size: 18px;
  font-weight: 500;
  letter-spacing: 0.1em;
  margin-bottom: 4px;
}

.coordinate-subtitle {
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--gold);
  margin-bottom: 20px;
}

.coordinate-desc {
  font-size: 13px;
  color: var(--gray-400);
  line-height: 2;
  letter-spacing: 0.04em;
}

/* --- Works --- */
.works {
  background: var(--offwhite);
}

.works-list {
  display: flex;
  flex-direction: column;
  gap: 100px;
}

.works-item {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 60px;
  align-items: center;
}

.works-item-reverse {
  grid-template-columns: 1fr 1.2fr;
}

.works-item-reverse .works-image {
  order: 2;
}

.works-item-reverse .works-info {
  order: 1;
}

.works-image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/3;
}

.works-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s cubic-bezier(0.23, 1, 0.32, 1);
}

.works-image:hover img {
  transform: scale(1.05);
}

.works-image-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10,10,10,0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.4s;
}

.works-image:hover .works-image-overlay {
  opacity: 1;
}

.works-image-overlay span {
  font-family: var(--font-en);
  font-size: 13px;
  letter-spacing: 0.2em;
  color: #fff;
  border: 1px solid rgba(255,255,255,0.5);
  padding: 10px 28px;
}

.works-tag {
  font-family: var(--font-jp);
  font-size: 12px;
  letter-spacing: 0.15em;
  color: var(--gold);
  display: block;
  margin-bottom: 12px;
}

.works-name {
  font-family: var(--font-jp);
  font-size: 26px;
  font-weight: 500;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
}

.works-detail {
  font-size: 14px;
  color: var(--gray-600);
  line-height: 2;
  letter-spacing: 0.06em;
  margin-bottom: 20px;
}

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

.works-feature {
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--gray-400);
  border: 1px solid var(--gray-200);
  padding: 4px 12px;
}

.works-year {
  font-family: var(--font-en);
  font-size: 13px;
  letter-spacing: 0.2em;
  color: var(--gray-400);
}

/* --- Numbers --- */
.numbers {
  background: var(--black);
  color: #fff;
  padding: 120px 0;
}

.numbers-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  text-align: center;
  margin-top: 64px;
}

.number-item {
  padding: 40px 20px;
  border: 1px solid rgba(255,255,255,0.06);
}

.number-value {
  font-family: var(--font-en);
  font-size: clamp(48px, 6vw, 72px);
  font-weight: 300;
  color: var(--gold);
  line-height: 1;
  display: inline;
}

.number-unit {
  font-family: var(--font-jp);
  font-size: 16px;
  color: var(--gold);
  margin-left: 4px;
  letter-spacing: 0.1em;
}

.number-top {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 4px;
}

.number-divider {
  width: 24px;
  height: 1px;
  background: rgba(197, 165, 90, 0.3);
  margin: 16px auto;
}

.number-label {
  display: block;
  font-size: 13px;
  color: var(--gray-400);
  letter-spacing: 0.1em;
}

.number-sublabel {
  display: block;
  font-family: var(--font-en);
  font-size: 10px;
  letter-spacing: 0.15em;
  color: var(--gray-600);
  margin-top: 4px;
}

.numbers-title {
  color: #fff;
  margin-bottom: 0;
}

/* --- Commitment --- */
.commitment {
  position: relative;
  height: 70vh;
  min-height: 500px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 0;
}

.commitment-bg {
  position: absolute;
  inset: 0;
}

.commitment-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.commitment-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10, 10, 10, 0.65);
}

.commitment-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 40px;
}

.commitment-deco {
  width: 1px;
  height: 40px;
  background: var(--gold);
  margin: 0 auto 32px;
}

.commitment-deco:last-child {
  margin: 32px auto 0;
}

.commitment-en {
  font-family: var(--font-en);
  font-size: 12px;
  letter-spacing: 0.3em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 20px;
}

.commitment-title {
  font-family: var(--font-jp);
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 400;
  color: #fff;
  letter-spacing: 0.15em;
  line-height: 1.6;
  margin-bottom: 24px;
}

.commitment-desc {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.65);
  line-height: 2.2;
  letter-spacing: 0.08em;
}

/* --- Process --- */
.process {
  background: var(--offwhite);
}

.process-timeline {
  max-width: 720px;
  margin: 0 auto;
  position: relative;
}

.process-timeline::before {
  content: '';
  position: absolute;
  left: 28px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--gray-200);
}

.process-step {
  display: flex;
  gap: 40px;
  padding: 40px 0;
  position: relative;
}

.process-step:not(:last-child) {
  border-bottom: none;
}

.process-step-num {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  border: 1px solid var(--gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-en);
  font-size: 14px;
  letter-spacing: 0.1em;
  color: var(--gold);
  background: var(--offwhite);
  position: relative;
  z-index: 1;
}

.process-step-content h3 {
  font-family: var(--font-jp);
  font-size: 18px;
  font-weight: 500;
  letter-spacing: 0.08em;
  margin-bottom: 4px;
  padding-top: 4px;
}

.process-step-en {
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--gold);
  display: block;
  margin-bottom: 12px;
}

.process-step-content p {
  font-size: 14px;
  color: var(--gray-600);
  line-height: 2;
  letter-spacing: 0.06em;
}

/* --- Company --- */
.company {
  background: var(--gray-100);
}

.company-table {
  max-width: 800px;
  margin-top: 48px;
}

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

.company-table tr {
  border-bottom: 1px solid var(--gray-200);
}

.company-table th {
  font-weight: 500;
  font-size: 14px;
  letter-spacing: 0.08em;
  padding: 20px 24px 20px 0;
  width: 180px;
  vertical-align: top;
  color: var(--gray-800);
}

.company-table td {
  font-size: 14px;
  letter-spacing: 0.06em;
  padding: 20px 0;
  color: var(--gray-600);
  line-height: 1.8;
}

.company-access {
  margin-top: 48px;
  padding-top: 40px;
  border-top: 1px solid var(--gray-200);
}

.company-access-title {
  font-family: var(--font-en);
  font-size: 16px;
  font-weight: 400;
  letter-spacing: 0.2em;
  color: var(--gold);
  margin-bottom: 16px;
}

.company-access-text {
  font-size: 14px;
  color: var(--gray-600);
  line-height: 2;
  letter-spacing: 0.06em;
}

/* --- Contact --- */
.contact {
  background: var(--black);
  color: #fff;
  padding: 160px 0;
}

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

.contact-deco-line {
  width: 1px;
  height: 60px;
  background: var(--gold);
  margin: 0 auto 40px;
}

.contact-deco-line:last-child {
  margin: 40px auto 0;
}

.contact-en {
  font-family: var(--font-en);
  font-size: 13px;
  letter-spacing: 0.3em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 16px;
}

.contact-title {
  font-family: var(--font-jp);
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 400;
  letter-spacing: 0.12em;
  margin-bottom: 20px;
}

.contact-desc {
  font-size: 15px;
  color: var(--gray-400);
  line-height: 2;
  letter-spacing: 0.08em;
  margin-bottom: 48px;
}

.contact-phone {
  margin-bottom: 40px;
}

.contact-phone-label {
  font-size: 12px;
  letter-spacing: 0.15em;
  color: var(--gray-400);
  display: block;
  margin-bottom: 8px;
}

.contact-phone-number {
  font-family: var(--font-en);
  font-size: clamp(28px, 4vw, 36px);
  font-weight: 300;
  letter-spacing: 0.1em;
  color: var(--gold);
  display: block;
  margin-bottom: 8px;
  transition: opacity 0.3s;
}

.contact-phone-number:hover {
  opacity: 0.7;
}

.contact-phone-hours {
  font-size: 12px;
  color: var(--gray-400);
  letter-spacing: 0.1em;
}

.contact-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  border: 1px solid var(--gold);
  color: var(--gold);
  padding: 16px 48px;
  font-family: var(--font-jp);
  font-size: 14px;
  letter-spacing: 0.15em;
  transition: background 0.4s, color 0.4s;
}

.contact-btn:hover {
  background: var(--gold);
  color: var(--black);
}

.contact-note {
  font-size: 12px;
  color: var(--gray-600);
  letter-spacing: 0.06em;
  margin-top: 24px;
}

.contact-methods {
  margin-bottom: 40px;
}

/* --- Footer --- */
.footer {
  background: var(--black);
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 60px 0 40px;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 14px;
}

.footer-logo-en {
  font-family: var(--font-en);
  font-size: 16px;
  letter-spacing: 0.2em;
  color: #fff;
  display: block;
  line-height: 1.2;
}

.footer-logo-jp {
  font-family: var(--font-jp);
  font-size: 10px;
  letter-spacing: 0.3em;
  color: var(--gold);
  display: block;
}

.footer-nav {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
}

.footer-nav a {
  font-family: var(--font-en);
  font-size: 12px;
  letter-spacing: 0.15em;
  color: var(--gray-400);
  transition: color 0.3s;
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
}

.footer-copy {
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--gray-600);
}

.footer-credit {
  font-size: 11px;
  color: var(--gray-600);
}

.footer-credit a {
  color: var(--gold);
  transition: opacity 0.3s;
}

.footer-credit a:hover {
  opacity: 0.7;
}

/* --- Animations --- */
.fade-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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

/* --- Responsive --- */
@media (max-width: 1024px) {
  .coordinate-cards {
    grid-template-columns: repeat(3, 1fr);
  }

  .numbers-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .works-item,
  .works-item-reverse {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .works-item-reverse .works-image { order: 0; }
  .works-item-reverse .works-info { order: 0; }

  .gallery-grid {
    height: 40vh;
    min-height: 280px;
  }
}

@media (max-width: 768px) {
  .sp-only { display: inline; }

  .container {
    padding: 0 24px;
  }

  .sample-banner {
    font-size: 10px;
    padding: 6px 12px;
  }

  /* Header */
  .header {
    padding: 0 20px;
    top: 28px;
  }

  .header.scrolled {
    padding: 0 20px;
  }

  .header-inner {
    height: 60px;
  }

  .nav-desktop { display: none; }
  .hamburger { display: block; }

  .logo-en { font-size: 15px; }

  /* Hero */
  .hero { min-height: 100vh; min-height: 100dvh; }

  .hero-accent-line {
    height: 40px;
    margin-bottom: 28px;
  }

  .hero-desc { font-size: 13px; }

  /* Sections */
  .section {
    padding: 100px 0;
  }

  .section-lead {
    margin-bottom: 48px;
  }

  /* Philosophy */
  .philosophy-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  /* Coordinate */
  .coordinate-cards {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .coordinate-card {
    padding: 36px 24px;
  }

  /* Gallery */
  .gallery-grid {
    grid-template-columns: 1fr 1fr;
    height: 35vh;
    min-height: 240px;
  }

  .gallery-item:nth-child(3) {
    display: none;
  }

  /* Commitment */
  .commitment {
    height: 60vh;
    min-height: 400px;
  }

  /* Works */
  .works-list {
    gap: 64px;
  }

  .works-name {
    font-size: 22px;
  }

  /* Numbers */
  .numbers {
    padding: 80px 0;
  }

  .numbers-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .number-item {
    padding: 28px 16px;
  }

  /* Process */
  .process-timeline::before {
    left: 20px;
  }

  .process-step {
    gap: 24px;
    padding: 28px 0;
  }

  .process-step-num {
    width: 40px;
    height: 40px;
    font-size: 12px;
  }

  .process-step-content h3 {
    font-size: 16px;
    padding-top: 0;
  }

  /* Company */
  .company-table th {
    display: block;
    width: 100%;
    padding: 16px 0 4px;
    font-size: 12px;
    color: var(--gold);
  }

  .company-table td {
    display: block;
    padding: 0 0 16px;
  }

  /* Contact */
  .contact {
    padding: 100px 0;
  }

  /* Footer */
  .footer-top {
    flex-direction: column;
    gap: 32px;
  }

  .footer-nav {
    gap: 16px 24px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .section-title-en {
    font-size: 32px;
  }

  .coordinate-card {
    padding: 28px 20px;
  }

  .works-image {
    aspect-ratio: 16/10;
  }

  .number-value {
    font-size: 40px;
  }

  .contact-btn {
    padding: 14px 36px;
    font-size: 13px;
    width: 100%;
    justify-content: center;
  }
}