/* ===========================
   高級・プロフェッショナル系 - style.css
   ネイビー×ゴールド
   =========================== */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;1,300;1,400&family=Noto+Sans+JP:wght@300;400;500;700&family=Noto+Serif+JP:wght@400;500;600&family=Montserrat:wght@400;600;700;800&display=swap');

/* --- CSS Variables --- */
:root {
  --bg-white: #ffffff;
  --bg-light: #f5f5f5;
  --bg-dark: #1c2331;
  --text-main: #333333;
  --text-heading: #1c2331;
  --gold: #c5a55a;
  --gold-dark: #b8963e;
  --gold-light: #e8d5a3;
  --white: #ffffff;
  --max-width: 1100px;
  --font-serif-ja: 'Noto Serif JP', serif;
  --font-sans: 'Noto Sans JP', sans-serif;
  --font-serif-en: 'Cormorant Garamond', serif;
  --font-num: 'Montserrat', sans-serif;
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-sans);
  color: var(--text-main);
  background: var(--bg-white);
  line-height: 1.8;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }

/* --- Container --- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* ===========================
   HEADER
   =========================== */
#header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: var(--bg-white);
  border-bottom: 1px solid rgba(197,165,90,0.2);
  transition: box-shadow 0.3s;
}
#header.scrolled {
  box-shadow: 0 2px 20px rgba(28,35,49,0.12);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
  height: 80px;
}

/* Logo */
.header-logo a {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.logo-ja {
  font-family: var(--font-serif-ja);
  font-size: 18px;
  font-weight: 600;
  color: var(--text-heading);
  letter-spacing: 0.08em;
  line-height: 1.2;
}
.logo-en {
  font-family: var(--font-serif-en);
  font-size: 11px;
  color: var(--gold);
  letter-spacing: 0.15em;
  font-weight: 400;
}

/* Header right */
.header-right {
  display: flex;
  align-items: center;
  gap: 32px;
}
.header-contact-info {
  display: none;
  flex-direction: column;
  align-items: flex-end;
  gap: 2px;
}
@media (min-width: 1024px) {
  .header-contact-info { display: flex; }
}
.header-tel {
  font-family: var(--font-num);
  font-size: 18px;
  font-weight: 700;
  color: var(--text-heading);
  letter-spacing: 0.05em;
}
.header-tel a { color: var(--text-heading); }
.header-hours {
  font-size: 11px;
  color: #777;
  letter-spacing: 0.05em;
}

/* Nav */
.header-nav { display: none; }
@media (min-width: 768px) {
  .header-nav { display: flex; align-items: center; gap: 28px; }
}
.header-nav a {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-heading);
  letter-spacing: 0.08em;
  position: relative;
  padding-bottom: 3px;
  transition: color 0.2s;
}
.header-nav a::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 1px;
  background: var(--gold);
  transition: width 0.3s;
}
.header-nav a:hover, .header-nav a.active { color: var(--gold); }
.header-nav a:hover::after, .header-nav a.active::after { width: 100%; }

/* CTA Sidebar - Desktop */
.header-cta-sidebar {
  display: none;
}
@media (min-width: 1024px) {
  .header-cta-sidebar {
    display: flex;
    flex-direction: column;
    gap: 2px;
  }
}
.header-cta-sidebar a {
  display: block;
  padding: 4px 12px;
  font-size: 11px;
  line-height: 1;
  font-weight: 500;
  letter-spacing: 0.08em;
  border: 1px solid var(--gold);
  color: var(--text-heading);
  transition: all 0.2s;
  text-align: center;
  white-space: nowrap;
}
.header-cta-sidebar a:hover,
.header-cta-sidebar a.primary {
  background: var(--gold);
  color: var(--bg-white);
}

/* Hamburger */
.hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
  background: none;
  border: none;
}
@media (min-width: 768px) { .hamburger { display: none; } }
.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--text-heading);
  transition: all 0.3s;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile Menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: 80px; left: 0; right: 0; bottom: 0;
  background: var(--bg-white);
  z-index: 999;
  padding: 40px 30px;
  flex-direction: column;
  gap: 0;
  overflow-y: auto;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  display: block;
  padding: 16px 0;
  font-family: var(--font-serif-ja);
  font-size: 16px;
  color: var(--text-heading);
  border-bottom: 1px solid rgba(197,165,90,0.2);
  letter-spacing: 0.08em;
}
.mobile-menu-cta {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 32px;
}
.mobile-menu-cta a {
  display: block;
  padding: 14px;
  text-align: center;
  border: 1px solid var(--gold);
  font-size: 14px;
  font-weight: 500;
  border-bottom: none;
  color: var(--text-heading);
  transition: background 0.2s;
}
.mobile-menu-cta a.primary { background: var(--gold); color: var(--white); }
.mobile-menu-tel {
  margin-top: 24px;
  text-align: center;
}
.mobile-menu-tel a {
  font-family: var(--font-num);
  font-size: 22px;
  font-weight: 700;
  color: var(--text-heading);
  border: none;
}
.mobile-menu-tel p {
  font-size: 12px;
  color: #888;
  margin-top: 4px;
}

/* ===========================
   BREADCRUMB
   =========================== */
.breadcrumb {
  padding: 14px 20px;
  background: var(--bg-light);
  border-bottom: 1px solid rgba(197,165,90,0.15);
}
.breadcrumb-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: #888;
}
.breadcrumb-inner a { color: #888; transition: color 0.2s; }
.breadcrumb-inner a:hover { color: var(--gold); }
.breadcrumb-sep { color: var(--gold); font-size: 10px; }
.breadcrumb-current { color: var(--text-main); font-weight: 500; }

/* ===========================
   SECTION COMMON
   =========================== */
.section {
  padding: 100px 0;
}
.section-dark {
  background: var(--bg-dark);
  color: var(--white);
}
.section-light {
  background: var(--bg-light);
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}
.section-en {
  font-family: var(--font-serif-en);
  font-size: 13px;
  font-weight: 400;
  color: var(--gold);
  letter-spacing: 0.25em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 12px;
}
.section-title {
  font-family: var(--font-serif-ja);
  font-size: 26px;
  font-weight: 600;
  color: var(--text-heading);
  letter-spacing: 0.08em;
  line-height: 1.4;
}
.section-dark .section-title { color: var(--white); }
.section-title-line {
  display: block;
  width: 40px; height: 1px;
  background: var(--gold);
  margin: 20px auto 0;
}
.section-lead {
  max-width: 640px;
  margin: 24px auto 0;
  font-size: 15px;
  line-height: 2;
  color: var(--text-main);
  text-align: center;
}
.section-dark .section-lead { color: rgba(255,255,255,0.75); }

/* ===========================
   BUTTONS
   =========================== */
.btn {
  display: inline-block;
  padding: 14px 36px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.1em;
  border: 1px solid var(--gold);
  color: var(--text-heading);
  transition: all 0.25s;
  cursor: pointer;
  border-radius: 0;
  text-align: center;
}
.btn:hover { background: var(--gold); color: var(--white); }
.btn-gold {
  background: var(--gold);
  color: var(--white);
  border-color: var(--gold);
}
.btn-gold:hover { background: var(--gold-dark); border-color: var(--gold-dark); color: var(--white); }
.btn-outline-white {
  border-color: var(--white);
  color: var(--white);
}
.btn-outline-white:hover { background: var(--white); color: var(--text-heading); }
.btn-dark {
  background: var(--bg-dark);
  color: var(--white);
  border-color: var(--bg-dark);
}
.btn-dark:hover { background: var(--gold); border-color: var(--gold); }

/* ===========================
   HERO / FIRST VIEW
   =========================== */
#hero {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 600px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: flex-start;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('./images/exterior08.jpg');
  background-size: cover;
  background-position: center;
  animation: heroPan 20s linear infinite alternate;
  transform-origin: center;
}
@keyframes heroPan {
  from { background-position: 20% center; }
  to   { background-position: 80% center; }
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.42);
}
.hero-content {
  position: relative;
  z-index: 2;
  padding: 0 40px;
  max-width: 800px;
}
.hero-en {
  font-family: var(--font-serif-en);
  font-size: clamp(42px, 7vw, 86px);
  font-weight: 300;
  color: var(--white);
  letter-spacing: 0.04em;
  line-height: 1.1;
  font-style: italic;
  display: block;
  margin-bottom: 24px;
}
.hero-ja {
  font-family: var(--font-serif-ja);
  font-size: clamp(14px, 2vw, 18px);
  font-weight: 400;
  color: rgba(255,255,255,0.88);
  letter-spacing: 0.18em;
  line-height: 2;
  display: block;
  margin-bottom: 40px;
}
.hero-line {
  width: 60px; height: 1px;
  background: var(--gold);
  margin-bottom: 32px;
}
.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}
.scroll-indicator span {
  font-family: var(--font-serif-en);
  font-size: 10px;
  color: rgba(255,255,255,0.6);
  letter-spacing: 0.2em;
  text-transform: uppercase;
}
.scroll-arrow {
  width: 20px; height: 20px;
  border-right: 1px solid var(--gold);
  border-bottom: 1px solid var(--gold);
  transform: rotate(45deg);
  animation: scrollBounce 1.8s ease-in-out infinite;
}
@keyframes scrollBounce {
  0%, 100% { transform: rotate(45deg) translateY(0); opacity: 1; }
  50% { transform: rotate(45deg) translateY(6px); opacity: 0.4; }
}

/* Fixed side CTA */
.fixed-side-cta {
  position: fixed;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  z-index: 900;
  display: none;
  flex-direction: column;
  gap: 0;
}
@media (min-width: 1024px) { .fixed-side-cta { display: flex; } }
.fixed-side-cta a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  padding: 16px 0;
  background: var(--bg-dark);
  color: var(--gold);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  writing-mode: vertical-rl;
  text-orientation: mixed;
  border-left: 2px solid var(--gold);
  transition: background 0.2s;
  gap: 8px;
}
.fixed-side-cta a:hover { background: var(--gold); color: var(--bg-dark); }
.fixed-side-cta a.cta-primary {
  background: var(--gold);
  color: var(--bg-dark);
  font-weight: 700;
}
.fixed-side-cta a.cta-primary:hover { background: var(--gold-dark); }

/* ===========================
   EVENT SECTION
   =========================== */
.events-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}
@media (min-width: 768px) { .events-grid { grid-template-columns: repeat(3, 1fr); } }
.event-card {
  border: 1px solid rgba(197,165,90,0.3);
  overflow: hidden;
  transition: border-color 0.3s;
}
.event-card:hover { border-color: var(--gold); }
.event-card-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}
.event-card-body {
  padding: 20px;
}
.event-tag {
  display: inline-block;
  padding: 3px 10px;
  background: var(--gold);
  color: var(--white);
  font-size: 11px;
  letter-spacing: 0.08em;
  margin-bottom: 10px;
}
.event-card-title {
  font-family: var(--font-serif-ja);
  font-size: 16px;
  font-weight: 600;
  color: var(--text-heading);
  margin-bottom: 8px;
  line-height: 1.5;
}
.event-meta {
  font-size: 13px;
  color: #777;
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.event-meta span { display: flex; align-items: center; gap: 6px; }
.section-footer {
  text-align: center;
  margin-top: 48px;
}

/* ===========================
   CONCEPT
   =========================== */
.concept-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 60px;
  align-items: center;
}
@media (min-width: 768px) { .concept-grid { grid-template-columns: 1fr 1fr; gap: 80px; } }
.concept-img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.concept-text .concept-label {
  font-family: var(--font-serif-en);
  font-size: 12px;
  color: var(--gold);
  letter-spacing: 0.25em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 16px;
}
.concept-text h3 {
  font-family: var(--font-serif-ja);
  font-size: 24px;
  font-weight: 600;
  color: var(--text-heading);
  line-height: 1.5;
  margin-bottom: 20px;
}
.concept-text p {
  font-size: 15px;
  line-height: 2;
  color: var(--text-main);
  margin-bottom: 16px;
}
.gold-line { width: 40px; height: 1px; background: var(--gold); margin: 24px 0; }

/* ===========================
   WORKS
   =========================== */
.works-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}
@media (min-width: 768px) { .works-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .works-grid { grid-template-columns: repeat(3, 1fr); } }
.work-card {
  position: relative;
  overflow: hidden;
  border: 1px solid transparent;
  transition: border-color 0.3s;
  cursor: pointer;
}
.work-card:hover { border-color: var(--gold); }
.work-card-img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.work-card:hover .work-card-img { transform: scale(1.03); }
.work-card-body { padding: 16px 0 8px; }
.work-card-tag {
  font-size: 11px;
  color: var(--gold);
  letter-spacing: 0.1em;
  margin-bottom: 6px;
  display: block;
}
.work-card-title {
  font-family: var(--font-serif-ja);
  font-size: 16px;
  font-weight: 600;
  color: var(--text-heading);
  margin-bottom: 4px;
}
.work-card-meta {
  font-size: 13px;
  color: #888;
}

/* ===========================
   REASONS (dark section)
   =========================== */
.reasons-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
}
@media (min-width: 768px) { .reasons-grid { grid-template-columns: repeat(3, 1fr); } }
.reason-item {
  text-align: center;
}
.reason-hex {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
}
.hex-wrap {
  position: relative;
  width: 80px; height: 80px;
}
.hex-shape {
  width: 100%; height: 100%;
  background: rgba(197,165,90,0.15);
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--gold);
}
.hex-number {
  font-family: var(--font-num);
  font-size: 28px;
  font-weight: 700;
  color: var(--gold);
}
.reason-num-large {
  font-family: var(--font-num);
  font-size: 52px;
  font-weight: 800;
  color: var(--gold);
  line-height: 1;
  display: block;
  margin-bottom: 4px;
}
.reason-unit {
  font-family: var(--font-num);
  font-size: 16px;
  font-weight: 400;
  color: var(--gold);
}
.reason-title {
  font-family: var(--font-serif-ja);
  font-size: 18px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 12px;
  line-height: 1.4;
}
.reason-desc {
  font-size: 14px;
  color: rgba(255,255,255,0.7);
  line-height: 1.9;
}

/* ===========================
   TESTIMONIALS
   =========================== */
.testimonials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}
@media (min-width: 768px) { .testimonials-grid { grid-template-columns: repeat(2, 1fr); } }
.testimonial-card {
  border: 1px solid rgba(197,165,90,0.25);
  padding: 32px;
  position: relative;
}
.testimonial-card::before {
  content: '"';
  font-family: var(--font-serif-en);
  font-size: 80px;
  color: rgba(197,165,90,0.15);
  position: absolute;
  top: 10px; left: 20px;
  line-height: 1;
  font-weight: 600;
}
.testimonial-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}
.testimonial-photo {
  width: 60px; height: 60px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--gold-light);
}
.testimonial-info {}
.testimonial-name {
  font-family: var(--font-serif-ja);
  font-size: 15px;
  font-weight: 600;
  color: var(--text-heading);
}
.testimonial-type {
  font-size: 12px;
  color: #888;
  margin-top: 2px;
}
.testimonial-qa { margin-top: 16px; }
.testimonial-q {
  font-size: 13px;
  color: var(--gold-dark);
  font-weight: 700;
  margin-bottom: 6px;
}
.testimonial-a {
  font-size: 14px;
  line-height: 1.9;
  color: var(--text-main);
  margin-bottom: 14px;
}

/* ===========================
   MODELHOUSE
   =========================== */
.modelhouse-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: center;
}
@media (min-width: 768px) { .modelhouse-grid { grid-template-columns: 1fr 1fr; } }
.modelhouse-img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.modelhouse-info h3 {
  font-family: var(--font-serif-ja);
  font-size: 22px;
  font-weight: 600;
  color: var(--text-heading);
  margin-bottom: 16px;
}
.modelhouse-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 24px;
}
.modelhouse-table th,
.modelhouse-table td {
  padding: 10px 14px;
  font-size: 14px;
  border-bottom: 1px solid rgba(197,165,90,0.2);
  text-align: left;
}
.modelhouse-table th {
  width: 120px;
  color: var(--gold-dark);
  font-weight: 500;
  white-space: nowrap;
}

/* ===========================
   CTA SECTION
   =========================== */
.cta-section {
  background: var(--bg-dark);
  padding: 100px 0;
  text-align: center;
}
.cta-section .section-en { color: var(--gold); }
.cta-section .section-title { color: var(--white); }
.cta-tel {
  font-family: var(--font-num);
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 0.04em;
  display: block;
  margin: 24px 0 8px;
}
.cta-tel a { color: var(--gold); }
.cta-hours {
  font-size: 13px;
  color: rgba(255,255,255,0.55);
  margin-bottom: 36px;
}
.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ===========================
   FOOTER
   =========================== */
#footer {
  background: var(--bg-dark);
  padding: 70px 0 30px;
  color: rgba(255,255,255,0.65);
}
.footer-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  margin-bottom: 48px;
}
@media (min-width: 768px) { .footer-inner { grid-template-columns: 1fr 2fr; } }
.footer-logo-ja {
  font-family: var(--font-serif-ja);
  font-size: 18px;
  font-weight: 600;
  color: var(--gold);
  display: block;
  margin-bottom: 4px;
}
.footer-logo-en {
  font-family: var(--font-serif-en);
  font-size: 11px;
  color: rgba(197,165,90,0.6);
  letter-spacing: 0.15em;
  display: block;
  margin-bottom: 16px;
}
.footer-address {
  font-size: 13px;
  line-height: 1.9;
}
.footer-tel {
  font-family: var(--font-num);
  font-size: 20px;
  font-weight: 700;
  color: var(--gold);
  margin: 10px 0 2px;
  display: block;
}
.footer-hours {
  font-size: 12px;
  color: rgba(255,255,255,0.45);
}
.footer-nav-cols {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px 32px;
}
@media (min-width: 768px) { .footer-nav-cols { grid-template-columns: repeat(3, 1fr); } }
.footer-nav-col h4 {
  font-family: var(--font-serif-en);
  font-size: 11px;
  color: var(--gold);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(197,165,90,0.3);
}
.footer-nav-col a {
  display: block;
  font-size: 13px;
  color: rgba(255,255,255,0.6);
  padding: 4px 0;
  transition: color 0.2s;
}
.footer-nav-col a:hover { color: var(--gold); }
.footer-sns {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}
.footer-sns a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px; height: 36px;
  border: 1px solid rgba(197,165,90,0.4);
  color: rgba(255,255,255,0.6);
  font-size: 13px;
  transition: all 0.2s;
  text-decoration: none;
}
.footer-sns a:hover { border-color: var(--gold); color: var(--gold); }
.footer-bottom {
  border-top: 1px solid rgba(197,165,90,0.15);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-copy {
  font-size: 12px;
  color: rgba(255,255,255,0.35);
  letter-spacing: 0.05em;
}
.footer-legal {
  display: flex;
  gap: 20px;
}
.footer-legal a {
  font-size: 12px;
  color: rgba(255,255,255,0.4);
  transition: color 0.2s;
}
.footer-legal a:hover { color: var(--gold); }

/* ===========================
   MOBILE FIXED FOOTER BAR
   =========================== */
.mobile-footer-bar {
  display: flex;
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 990;
  height: 56px;
  background: var(--bg-dark);
  border-top: 1px solid rgba(197,165,90,0.3);
}
@media (min-width: 768px) { .mobile-footer-bar { display: none; } }
.mobile-footer-bar a {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.05em;
  transition: background 0.2s;
  color: var(--text-heading);
}
.mobile-footer-bar a:first-child {
  border: 1px solid var(--gold);
  color: var(--gold);
  border-bottom: none;
  border-left: none;
  border-top: none;
  border-right: 1px solid rgba(197,165,90,0.3);
  background: transparent;
}
.mobile-footer-bar a:last-child {
  background: var(--gold);
  color: var(--bg-dark);
  font-weight: 700;
}
.mobile-footer-bar a:last-child:hover { background: var(--gold-dark); }
body { padding-bottom: 56px; }
@media (min-width: 768px) { body { padding-bottom: 0; } }

/* ===========================
   PAGE HERO (subpages)
   =========================== */
.page-hero {
  margin-top: 80px;
  position: relative;
  height: 320px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
@media (min-width: 768px) { .page-hero { height: 380px; } }
.page-hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
}
.page-hero-overlay {
  position: absolute;
  inset: 0;
  background: rgba(28,35,49,0.65);
}
.page-hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
}
.page-hero-en {
  font-family: var(--font-serif-en);
  font-size: clamp(13px, 2vw, 14px);
  color: var(--gold);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 12px;
}
.page-hero-title {
  font-family: var(--font-serif-ja);
  font-size: clamp(24px, 4vw, 36px);
  font-weight: 600;
  color: var(--white);
  letter-spacing: 0.1em;
}
.page-hero-line {
  width: 40px; height: 1px;
  background: var(--gold);
  margin: 16px auto 0;
}

/* ===========================
   WORKS PAGE
   =========================== */
.works-filter {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}
.filter-btn {
  padding: 8px 20px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  border: 1px solid rgba(197,165,90,0.4);
  color: var(--text-main);
  cursor: pointer;
  transition: all 0.2s;
  background: none;
  border-radius: 0;
}
.filter-btn:hover, .filter-btn.active {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--white);
}
.works-full-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}
@media (min-width: 768px) { .works-full-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .works-full-grid { grid-template-columns: repeat(3, 1fr); } }
.work-full-card { border: 1px solid rgba(197,165,90,0.2); overflow: hidden; transition: border-color 0.3s; }
.work-full-card:hover { border-color: var(--gold); }
.work-full-main { width: 100%; height: 240px; object-fit: cover; }
.work-thumbnails {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  margin-top: 2px;
}
.work-thumbnails img { width: 100%; height: 72px; object-fit: cover; }
.work-full-body { padding: 20px; }
.work-full-tag {
  display: inline-block;
  padding: 3px 10px;
  border: 1px solid var(--gold);
  color: var(--gold);
  font-size: 11px;
  letter-spacing: 0.08em;
  margin-bottom: 10px;
}
.work-full-title {
  font-family: var(--font-serif-ja);
  font-size: 17px;
  font-weight: 600;
  color: var(--text-heading);
  margin-bottom: 8px;
}
.work-full-specs {
  display: flex;
  gap: 20px;
  margin-bottom: 12px;
}
.work-full-specs span { font-size: 13px; color: #777; }
.work-full-desc { font-size: 14px; line-height: 1.9; color: var(--text-main); }

/* ===========================
   CONCEPT PAGE
   =========================== */
.concept-philosophy {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: center;
}
@media (min-width: 768px) { .concept-philosophy { grid-template-columns: 1fr 1fr; } }
.philosophy-text h2 {
  font-family: var(--font-serif-ja);
  font-size: 26px;
  font-weight: 600;
  color: var(--text-heading);
  line-height: 1.5;
  margin-bottom: 24px;
}
.philosophy-text p {
  font-size: 15px;
  line-height: 2.1;
  color: var(--text-main);
  margin-bottom: 18px;
}
.strength-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}
@media (min-width: 768px) { .strength-cards { grid-template-columns: repeat(3, 1fr); } }
.strength-card {
  padding: 32px 24px;
  border: 1px solid rgba(197,165,90,0.25);
  transition: border-color 0.3s;
}
.strength-card:hover { border-color: var(--gold); }
.strength-icon {
  width: 56px; height: 56px;
  background: rgba(197,165,90,0.1);
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 22px;
}
.strength-card h3 {
  font-family: var(--font-serif-ja);
  font-size: 18px;
  font-weight: 600;
  color: var(--text-heading);
  margin-bottom: 12px;
}
.strength-card p { font-size: 14px; line-height: 1.9; color: var(--text-main); }

/* Materials */
.materials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}
@media (min-width: 768px) { .materials-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 767px) {
  .material-item + .material-item {
    border-top: 1px solid rgba(197, 165, 90, 0.2);
    padding-top: 32px;
  }
}
.material-item {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}
.material-img { width: 100px; height: 100px; object-fit: cover; flex-shrink: 0; }
.material-body h4 {
  font-family: var(--font-serif-ja);
  font-size: 16px;
  font-weight: 600;
  color: var(--text-heading);
  margin-bottom: 8px;
}
.material-body p { font-size: 14px; line-height: 1.9; color: var(--text-main); }

/* Performance */
.performance-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
@media (min-width: 768px) { .performance-grid { grid-template-columns: repeat(4, 1fr); } }
.perf-item { text-align: center; padding: 28px 16px; background: rgba(197,165,90,0.06); }
.perf-num {
  font-family: var(--font-num);
  font-size: 40px;
  font-weight: 800;
  color: var(--gold);
  display: block;
  line-height: 1;
}
.perf-unit { font-size: 14px; color: var(--gold); }
.perf-label {
  display: block;
  font-family: var(--font-serif-ja);
  font-size: 13px;
  color: var(--text-heading);
  margin-top: 10px;
}

/* Flow */
.flow-steps {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}
@media (min-width: 768px) { .flow-steps { grid-template-columns: repeat(3, 1fr); } }
.flow-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 32px 20px;
  position: relative;
}
.flow-step::after {
  content: '▼';
  position: absolute;
  bottom: -12px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--gold);
  font-size: 14px;
  z-index: 1;
}
@media (min-width: 768px) {
  .flow-step::after {
    content: '▶';
    bottom: auto;
    top: 50%;
    left: auto;
    right: -10px;
    transform: translateY(-50%);
  }
  .flow-step:nth-child(3n)::after,
  .flow-step:last-child::after { content: none; }
}
.flow-num {
  font-family: var(--font-num);
  font-size: 36px;
  font-weight: 800;
  color: var(--gold);
  line-height: 1;
  margin-bottom: 12px;
}
.flow-step h4 {
  font-family: var(--font-serif-ja);
  font-size: 16px;
  font-weight: 600;
  color: var(--text-heading);
  margin-bottom: 8px;
}
.flow-step p { font-size: 13px; line-height: 1.8; color: var(--text-main); }

/* ===========================
   COMPANY PAGE
   =========================== */
.greeting-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: start;
}
@media (min-width: 768px) { .greeting-grid { grid-template-columns: 280px 1fr; } }
.greeting-photo { width: 100%; aspect-ratio: 3/4; object-fit: cover; }
.greeting-body .greeting-name {
  font-family: var(--font-serif-ja);
  font-size: 22px;
  font-weight: 600;
  color: var(--text-heading);
  margin-bottom: 4px;
}
.greeting-body .greeting-role {
  font-size: 13px;
  color: var(--gold-dark);
  margin-bottom: 20px;
}
.greeting-body p {
  font-size: 15px;
  line-height: 2.1;
  color: var(--text-main);
  margin-bottom: 16px;
}
.staff-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}
@media (min-width: 768px) { .staff-grid { grid-template-columns: repeat(4, 1fr); } }
.staff-card { text-align: center; }
.staff-img {
  width: 100%;
  aspect-ratio: 1/1;
  object-fit: cover;
  margin-bottom: 16px;
}
.staff-name {
  font-family: var(--font-serif-ja);
  font-size: 16px;
  font-weight: 600;
  color: var(--text-heading);
  margin-bottom: 4px;
}
.staff-role {
  font-size: 12px;
  color: var(--gold-dark);
  margin-bottom: 8px;
}
.staff-cert {
  font-size: 12px;
  color: #888;
  line-height: 1.6;
}
.staff-comment {
  font-size: 13px;
  color: var(--text-main);
  margin-top: 8px;
  line-height: 1.8;
  font-style: italic;
  border-top: 1px solid rgba(197,165,90,0.2);
  padding-top: 8px;
}
.company-table {
  width: 100%;
  border-collapse: collapse;
}
.company-table tr {
  border-bottom: 1px solid rgba(197,165,90,0.15);
}
.company-table th {
  padding: 16px 20px;
  text-align: left;
  font-size: 14px;
  font-weight: 500;
  color: var(--gold-dark);
  width: 140px;
  white-space: nowrap;
  vertical-align: top;
}
.company-table td {
  padding: 16px 20px;
  font-size: 14px;
  color: var(--text-main);
  line-height: 1.8;
}
@media (max-width: 767px) {
  .company-table th,
  .company-table td {
    padding: 12px 8px;
  }
  .company-table th {
    width: 30%;
  }
  .modelhouse-table th {
    width: 30%;
  }
}
.access-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}
@media (min-width: 768px) { .access-grid { grid-template-columns: 1fr 1fr; } }
.map-wrap {
  aspect-ratio: 4/3;
  overflow: hidden;
}
.map-wrap iframe {
  width: 100%; height: 100%;
  border: none;
}
.access-info h3 {
  font-family: var(--font-serif-ja);
  font-size: 20px;
  font-weight: 600;
  color: var(--text-heading);
  margin-bottom: 20px;
}
.access-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.access-list li {
  display: flex;
  gap: 12px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-main);
  align-items: flex-start;
}
.access-list li .label {
  font-weight: 500;
  color: var(--gold-dark);
  flex-shrink: 0;
  min-width: 80px;
}
.area-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}
.area-tag {
  padding: 6px 16px;
  border: 1px solid rgba(197,165,90,0.4);
  font-size: 13px;
  color: var(--text-main);
}

/* ===========================
   CONTACT PAGE
   =========================== */
.contact-methods {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-bottom: 60px;
}
@media (min-width: 768px) { .contact-methods { grid-template-columns: repeat(3, 1fr); } }
.contact-method {
  padding: 28px 24px;
  border: 1px solid rgba(197,165,90,0.25);
  text-align: center;
  transition: border-color 0.3s;
}
.contact-method:hover { border-color: var(--gold); }
.contact-method-icon { font-size: 28px; margin-bottom: 14px; }
.contact-method h3 {
  font-family: var(--font-serif-ja);
  font-size: 17px;
  font-weight: 600;
  color: var(--text-heading);
  margin-bottom: 10px;
}
.contact-method p { font-size: 14px; color: #666; line-height: 1.8; }
.contact-tel-large {
  text-align: center;
  padding: 48px 20px;
  background: var(--bg-dark);
  margin-bottom: 60px;
}
.contact-tel-large .label {
  font-family: var(--font-serif-en);
  font-size: 12px;
  color: var(--gold);
  letter-spacing: 0.25em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 12px;
}
.contact-tel-large .tel {
  font-family: var(--font-num);
  font-size: clamp(32px, 6vw, 52px);
  font-weight: 700;
  color: var(--gold);
  display: block;
  margin-bottom: 8px;
}
.contact-tel-large .tel a { color: var(--gold); }
.contact-tel-large .hours {
  font-size: 13px;
  color: rgba(255,255,255,0.5);
}
.contact-cta-row {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 60px;
}
.contact-form-section { max-width: 720px; margin: 0 auto; }
.form-title {
  font-family: var(--font-serif-ja);
  font-size: 22px;
  font-weight: 600;
  color: var(--text-heading);
  margin-bottom: 32px;
  text-align: center;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(197,165,90,0.3);
}
.form-group {
  margin-bottom: 24px;
}
.form-label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-heading);
  margin-bottom: 8px;
}
.form-label .required {
  display: inline-block;
  background: var(--gold);
  color: var(--white);
  font-size: 11px;
  padding: 2px 6px;
  margin-left: 8px;
  vertical-align: middle;
}
.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 12px 16px;
  font-size: 15px;
  font-family: var(--font-sans);
  border: 1px solid #ddd;
  border-radius: 0;
  color: var(--text-main);
  background: var(--bg-white);
  transition: border-color 0.2s;
  appearance: none;
}
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--gold);
}
.form-textarea { min-height: 160px; resize: vertical; line-height: 1.8; }
.form-radio-group {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}
.form-radio {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 14px;
  color: var(--text-main);
}
.form-radio input { accent-color: var(--gold); }
.form-privacy {
  font-size: 13px;
  color: #666;
  line-height: 1.9;
  margin-bottom: 32px;
  padding: 20px;
  background: var(--bg-light);
}
.form-privacy a { color: var(--gold-dark); text-decoration: underline; }
.form-check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 32px;
}
.form-check input { accent-color: var(--gold); margin-top: 3px; flex-shrink: 0; }
.form-check label { font-size: 14px; color: var(--text-main); line-height: 1.8; }
.form-submit-wrap { text-align: center; }
.btn-submit {
  width: 100%;
  max-width: 320px;
  padding: 16px;
  background: var(--bg-dark);
  color: var(--white);
  font-size: 16px;
  font-family: var(--font-sans);
  font-weight: 500;
  letter-spacing: 0.1em;
  border: 1px solid var(--bg-dark);
  cursor: pointer;
  transition: background 0.2s;
  border-radius: 0;
}
.btn-submit:hover { background: var(--gold); border-color: var(--gold); }

/* ===========================
   SCROLL ANIMATION
   =========================== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===========================
   MAIN MARGIN TOP (for fixed header)
   =========================== */
main { margin-top: 80px; }
#hero-section main,
.page-top main { margin-top: 0; }

/* hero is the first element, no margin needed */
#hero { margin-top: 80px; }

/* ===========================
   UTILITY
   =========================== */
.text-gold { color: var(--gold); }
.text-center { text-align: center; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-40 { margin-top: 40px; }
.d-flex { display: flex; }
.gap-16 { gap: 16px; }
.justify-center { justify-content: center; }