/*
Theme Name: GoldenMUGI
Theme URI: https://goldenmugi.com
Author: GoldenMUGI 有限会社
Description: GoldenMUGI コーポレートテーマ with Vintage Vehicle Management
Version: 1.0
Text Domain: goldenmugi
*/

/* ============================================
   CSS変数
============================================ */
:root {
  --gold: #C9A84C;
  --gold-light: #E8C97A;
  --gold-dark: #9A7A2E;
  --cream: #F5F0E8;
  --warm-white: #FDFAF4;
  --brown-dark: #2C1F0E;
  --brown-mid: #5C4033;
  --brown-light: #8B6F5E;
  --text-main: #2C1F0E;
  --text-sub: #6B5B4E;
  --border: rgba(201, 168, 76, 0.3);
  --font-main: 'Noto Sans JP', sans-serif;
  --font-en: 'Cormorant Garamond', serif;
}

/* ============================================
   リセット＆ベース
============================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-main);
  background: var(--warm-white);
  color: var(--text-main);
  line-height: 1.8;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }

/* ============================================
   タイポグラフィ
============================================ */
h1, h2, h3, h4 {
  font-family: var(--font-main);
  font-weight: 700;
  line-height: 1.3;
}
.en { font-family: var(--font-en); }
.section-label {
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--gold);
  text-transform: uppercase;
  display: block;
  margin-bottom: 0.5rem;
}
.section-title {
  font-size: clamp(1.8rem, 4vw, 3rem);
  color: var(--brown-dark);
  margin-bottom: 1rem;
}
.section-desc {
  color: var(--text-sub);
  font-size: 1rem;
  max-width: 600px;
}

/* ============================================
   レイアウト共通
============================================ */
.container { max-width: 1200px; margin: 0 auto; padding: 0 2rem; }
.section { padding: 6rem 0; }
#about, #services, #contact { scroll-margin-top: 80px; }
.section--dark { background: var(--brown-dark); color: var(--cream); }
.section--cream { background: var(--cream); }

/* ============================================
   ボタン
============================================ */
.btn {
  display: inline-block;
  padding: 0.9rem 2.5rem;
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  font-weight: 700;
  border: 2px solid var(--gold);
  color: var(--gold);
  background: transparent;
  cursor: pointer;
  transition: all 0.3s ease;
  font-family: var(--font-main);
}
.btn:hover {
  background: var(--gold);
  color: var(--warm-white);
}
.btn--fill {
  background: var(--gold);
  color: var(--warm-white);
}
.btn--fill:hover {
  background: var(--gold-dark);
  border-color: var(--gold-dark);
}

/* ============================================
   ナビゲーション
============================================ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 1.2rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background 0.3s ease, box-shadow 0.3s ease;
}
.site-header.scrolled {
  background: rgba(253, 250, 244, 0.97);
  box-shadow: 0 2px 20px rgba(44, 31, 14, 0.08);
}
.site-logo {
  font-family: var(--font-en);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 0.05em;
}
.site-logo span {
  display: block;
  font-size: 0.55rem;
  letter-spacing: 0.2em;
  color: var(--brown-mid);
  font-family: var(--font-main);
  font-weight: 400;
}
.site-nav { display: flex; gap: 2rem; align-items: center; }
.site-nav a {
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  color: var(--brown-mid);
  transition: color 0.3s;
}
.site-nav a:hover { color: var(--gold); }
.nav-contact {
  padding: 0.5rem 1.2rem;
  border: 1px solid var(--gold);
  color: var(--gold) !important;
  font-size: 0.75rem !important;
  letter-spacing: 0.1em;
  transition: all 0.3s !important;
}
.nav-contact:hover {
  background: var(--gold);
  color: var(--warm-white) !important;
}
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--brown-dark);
  transition: all 0.3s;
}

/* ============================================
   ヒーローセクション
============================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: var(--warm-white);
  padding-top: 80px;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-circle {
  position: absolute;
  border-radius: 50%;
  border: 1px solid var(--border);
}
.hero-circle:nth-child(1) {
  width: 600px; height: 600px;
  top: 50%; right: -100px;
  transform: translateY(-50%);
}
.hero-circle:nth-child(2) {
  width: 400px; height: 400px;
  top: 50%; right: 100px;
  transform: translateY(-50%);
}
.hero-circle:nth-child(3) {
  width: 200px; height: 200px;
  top: 50%; right: 250px;
  transform: translateY(-50%);
}
.hero-line {
  position: absolute;
  background: var(--border);
}
.hero-line--h {
  width: 100%; height: 1px;
  top: 50%; left: 0;
}
.hero-line--v {
  width: 1px; height: 100%;
  top: 0; right: 350px;
}
.hero-content {
  position: relative;
  z-index: 1;
  max-width: 700px;
}
.hero-tag {
  font-size: 0.75rem;
  letter-spacing: 0.25em;
  color: var(--gold);
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
}
.hero-tag::before {
  content: '';
  display: block;
  width: 40px;
  height: 1px;
  background: var(--gold);
}
.hero-title {
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--brown-dark);
  margin-bottom: 1.5rem;
}
.hero-title .gold { color: var(--gold); }
.hero-subtitle {
  font-size: 1rem;
  color: var(--text-sub);
  margin-bottom: 3rem;
  line-height: 1.9;
}
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }
.hero-scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--brown-light);
}
.hero-scroll::after {
  content: '';
  display: block;
  width: 1px;
  height: 40px;
  background: var(--gold);
  animation: scrollLine 1.5s ease-in-out infinite;
}
@keyframes scrollLine {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ============================================
   マーキー
============================================ */
.marquee-section {
  padding: 1.5rem 0;
  background: var(--brown-dark);
  overflow: hidden;
}
.marquee-track {
  display: flex;
  gap: 3rem;
  animation: marquee 20s linear infinite;
  white-space: nowrap;
}
.marquee-track span {
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--gold);
  text-transform: uppercase;
}
.marquee-track .dot { color: var(--gold-dark); }
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ============================================
   事業内容
============================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  margin-top: 4rem;
}
.service-card {
  padding: 3rem 2rem;
  background: var(--cream);
  border-top: 3px solid transparent;
  transition: border-color 0.3s, transform 0.3s;
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  bottom: 0; right: 0;
  width: 80px; height: 80px;
  border-top: 1px solid var(--border);
  border-left: 1px solid var(--border);
  opacity: 0;
  transition: opacity 0.3s;
}
.service-card:hover { border-color: var(--gold); transform: translateY(-4px); }
.service-card:hover::before { opacity: 1; }
.service-num {
  font-family: var(--font-en);
  font-size: 3rem;
  color: var(--border);
  line-height: 1;
  margin-bottom: 1.5rem;
}
.service-card h3 {
  font-size: 1.1rem;
  margin-bottom: 1rem;
  color: var(--brown-dark);
}
.service-card p {
  font-size: 0.9rem;
  color: var(--text-sub);
  line-height: 1.8;
}

/* ============================================
   車両セクション（一覧）
============================================ */
.vehicles-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  margin-top: 3rem;
}
.vehicle-card {
  background: var(--cream);
  overflow: hidden;
  transition: transform 0.3s, box-shadow 0.3s;
}
.vehicle-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(44, 31, 14, 0.12);
}
.vehicle-card-img {
  width: 100%;
  height: 260px;
  object-fit: cover;
}
.vehicle-card-img-placeholder {
  width: 100%;
  height: 260px;
  background: linear-gradient(135deg, var(--brown-mid), var(--brown-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold);
  font-family: var(--font-en);
  font-size: 1.2rem;
  letter-spacing: 0.1em;
}
.vehicle-card-body { padding: 1.8rem; }
.vehicle-status {
  display: inline-block;
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  padding: 0.3rem 0.8rem;
  margin-bottom: 1rem;
}
.vehicle-status--custom {
  background: rgba(201, 168, 76, 0.15);
  color: var(--gold-dark);
  border: 1px solid var(--gold);
}
.vehicle-status--sale {
  background: rgba(92, 64, 51, 0.1);
  color: var(--brown-mid);
  border: 1px solid var(--brown-mid);
}
.vehicle-status--sold {
  background: rgba(44, 31, 14, 0.08);
  color: var(--brown-light);
  border: 1px solid var(--brown-light);
}
.vehicle-card h3 {
  font-size: 1.2rem;
  color: var(--brown-dark);
  margin-bottom: 0.5rem;
}
.vehicle-card-meta {
  font-size: 0.8rem;
  color: var(--text-sub);
  margin-bottom: 1rem;
}
.vehicle-card-desc {
  font-size: 0.88rem;
  color: var(--text-sub);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}
.vehicle-card-link {
  font-size: 0.78rem;
  letter-spacing: 0.15em;
  color: var(--gold);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: gap 0.3s;
}
.vehicle-card-link:hover { gap: 0.8rem; }
.vehicle-card-link::after { content: '→'; }

/* ============================================
   車両詳細ページ
============================================ */
.vehicle-detail { padding-top: 100px; }
.vehicle-detail-hero {
  position: relative;
  height: 60vh;
  min-height: 400px;
  overflow: hidden;
}
.vehicle-detail-hero img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.vehicle-detail-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(44,31,14,0.7) 0%, transparent 60%);
}
.vehicle-detail-hero-text {
  position: absolute;
  bottom: 3rem;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 1200px;
  padding: 0 2rem;
  color: var(--warm-white);
}
.vehicle-detail-hero-text h1 {
  font-size: clamp(2rem, 4vw, 3.5rem);
  color: var(--warm-white);
  margin-bottom: 0.5rem;
}
.vehicle-gallery {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.5rem;
  margin: 2rem 0;
}
.vehicle-gallery img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  cursor: pointer;
  transition: opacity 0.3s;
}
.vehicle-gallery img:hover { opacity: 0.85; }
.vehicle-detail-body {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 4rem;
  margin-top: 3rem;
}
.vehicle-spec-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1.5rem;
}
.vehicle-spec-table th,
.vehicle-spec-table td {
  padding: 0.9rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}
.vehicle-spec-table th {
  width: 35%;
  color: var(--gold-dark);
  font-weight: 700;
  background: rgba(201, 168, 76, 0.05);
}
.vehicle-spec-table td { color: var(--text-main); }
.vehicle-sidebar {
  position: sticky;
  top: 100px;
  align-self: start;
}
.vehicle-sidebar-card {
  background: var(--cream);
  padding: 2rem;
  border-top: 3px solid var(--gold);
}
.vehicle-price {
  font-family: var(--font-en);
  font-size: 2rem;
  color: var(--brown-dark);
  margin: 1rem 0;
}
.vehicle-price span {
  font-size: 0.9rem;
  font-family: var(--font-main);
  color: var(--text-sub);
}

/* ============================================
   フィルターバー
============================================ */
.filter-bar {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}
.filter-btn {
  padding: 0.5rem 1.5rem;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-sub);
  cursor: pointer;
  transition: all 0.3s;
  font-family: var(--font-main);
}
.filter-btn.active,
.filter-btn:hover {
  border-color: var(--gold);
  color: var(--gold);
  background: rgba(201, 168, 76, 0.08);
}

/* ============================================
   実績数字
============================================ */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}
.stat-item {
  padding: 3rem 2rem;
  border-right: 1px solid rgba(201, 168, 76, 0.2);
  text-align: center;
}
.stat-item:last-child { border-right: none; }
.stat-num {
  font-family: var(--font-en);
  font-size: 3.5rem;
  color: var(--gold);
  line-height: 1;
  margin-bottom: 0.5rem;
}
.stat-label {
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: rgba(245, 240, 232, 0.6);
}

/* ============================================
   お問い合わせ
============================================ */
.contact-form-wrap {
  max-width: 700px;
  margin: 3rem auto 0;
}
.form-group { margin-bottom: 1.5rem; }
.form-group label {
  display: block;
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  color: var(--text-sub);
  margin-bottom: 0.5rem;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.9rem 1rem;
  background: var(--warm-white);
  border: 1px solid var(--border);
  color: var(--text-main);
  font-family: var(--font-main);
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.3s;
  border-radius: 0;
  appearance: none;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus { border-color: var(--gold); }
.form-group textarea { height: 150px; resize: vertical; }
.form-required { color: var(--gold); margin-left: 0.3rem; }

/* ============================================
   フッター
============================================ */
.site-footer {
  background: var(--brown-dark);
  padding: 4rem 0 2rem;
  color: var(--cream);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}
.footer-logo {
  font-family: var(--font-en);
  font-size: 1.8rem;
  color: var(--gold);
  margin-bottom: 1rem;
}
.footer-logo span {
  display: block;
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  color: var(--brown-light);
  font-family: var(--font-main);
}
.footer-desc {
  font-size: 0.85rem;
  color: var(--brown-light);
  line-height: 1.8;
}
.footer-nav h4 {
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--gold);
  margin-bottom: 1.2rem;
}
.footer-nav ul { list-style: none; }
.footer-nav li { margin-bottom: 0.6rem; }
.footer-nav a {
  font-size: 0.85rem;
  color: var(--brown-light);
  transition: color 0.3s;
}
.footer-nav a:hover { color: var(--gold); }
.footer-bottom {
  border-top: 1px solid rgba(201, 168, 76, 0.15);
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  color: var(--brown-light);
}

/* ============================================
   スクロールアニメーション
============================================ */
.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:nth-child(2) { transition-delay: 0.1s; }
.fade-up:nth-child(3) { transition-delay: 0.2s; }
.fade-up:nth-child(4) { transition-delay: 0.3s; }

/* ============================================
   モバイルメニュー
============================================ */
.mobile-menu {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(44, 31, 14, 0.97);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
}
.mobile-menu.open { display: flex; }
.mobile-menu nav {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
}
.mobile-menu nav a {
  font-size: 1.5rem;
  color: var(--cream);
  letter-spacing: 0.2em;
  transition: color 0.3s;
}
.mobile-menu nav a:hover { color: var(--gold); }
.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);
}

/* ============================================
   レスポンシブ
============================================ */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .vehicle-detail-body { grid-template-columns: 1fr; }
  .vehicle-sidebar { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .site-nav { display: none; }
  .hamburger { display: flex; }
  .services-grid { grid-template-columns: 1fr; }
  .vehicles-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .vehicle-gallery { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 0.5rem; text-align: center; }
  .hero-title { font-size: 2.5rem; }
}

@media (max-width: 480px) {
  .container { padding: 0 1.2rem; }
  .section { padding: 4rem 0; }
  .stats-grid { grid-template-columns: 1fr; }
}