:root {
  --primary: #1f2d56;        /* ロゴのネイビー */
  --primary-dark: #131c39;
  --primary-light: #f4f0e3;  /* アイボリー基調（ゴールドの薄め）*/
  --accent: #c9a85c;         /* ロゴのゴールド */
  --accent-dark: #a98a3f;
  --text: #1f2d56;
  --text-muted: #5a6275;
  --bg: #ffffff;
  --bg-soft: #faf6ec;        /* 薄いゴールド寄りのオフホワイト */
  --border: #e5dfca;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

[lang="fa"] body {
  font-family: "Vazirmatn", "Tahoma", "Iranian Sans", -apple-system, sans-serif;
}

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

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Header ===== */
.site-header {
  background: #ffffff;
  border-bottom: 1px solid var(--border);
}
.header-inner {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 36px 0 28px;
}
.logo {
  display: block;
  height: 320px;
}
.logo img {
  height: 100%;
  width: auto;
  display: block;
}
.lang-switch {
  position: absolute;
  top: 24px;
  right: 0;
}
.lang-switch {
  display: flex;
  gap: 8px;
}
.lang-switch a {
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  border: 1px solid var(--border);
}
.lang-switch a.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

/* ===== Hero ===== */
.hero {
  background: linear-gradient(180deg, #ffffff 0%, var(--primary-light) 100%);
  padding: 80px 0 60px;
  overflow: hidden;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}
.hero h1 {
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.25;
  margin-bottom: 16px;
  color: var(--primary-dark);
}
.hero h1 .accent {
  color: var(--accent-dark);
}
.hero p.lead {
  font-size: 17px;
  color: var(--text-muted);
  margin-bottom: 28px;
}
.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary);
  color: #fff;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 0.15s, box-shadow 0.15s;
  box-shadow: 0 6px 18px rgba(31, 45, 86, 0.28);
}
.hero-cta::after {
  content: "";
  display: inline-block;
  width: 28px;
  height: 1px;
  background: var(--accent);
  margin-left: 4px;
}
.hero-cta:hover {
  transform: translateY(-2px);
  text-decoration: none;
  color: #fff;
}
.hero-image {
  text-align: center;
}
.hero-image svg,
.hero-image img {
  width: 100%;
  max-width: 540px;
  height: auto;
}
.hero-image img {
  filter: drop-shadow(0 16px 28px rgba(31, 45, 86, 0.12));
}

/* ===== Section common ===== */
section { padding: 72px 0; }
section.alt { background: var(--bg-soft); }

.section-head { text-align: center; margin-bottom: 48px; }
.section-head .eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--primary);
  margin-bottom: 12px;
}
.section-head h2 {
  font-size: clamp(24px, 3vw, 34px);
  color: var(--text);
}
.section-head p {
  color: var(--text-muted);
  margin-top: 12px;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

/* ===== About ===== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}
.about-text p + p { margin-top: 14px; }
.about-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
  box-shadow: 0 4px 16px rgba(20, 40, 70, 0.05);
}
.about-card dl { display: grid; grid-template-columns: auto 1fr; gap: 10px 16px; }
.about-card dt { font-weight: 700; color: var(--primary); }
.about-card dd { color: var(--text-muted); }

/* ===== Services ===== */
.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px;
}
.service-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px 20px;
  text-align: center;
  transition: transform 0.15s, border-color 0.15s;
}
.service-card:hover {
  transform: translateY(-4px);
  border-color: var(--primary);
}
.service-card .icon {
  width: 44px;
  height: 44px;
  margin: 0 auto 12px;
  color: var(--primary);
}
.service-card h3 {
  font-size: 15px;
  font-weight: 700;
}

/* ===== Auction ===== */
.auction-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 16px;
}
.auction-card {
  display: flex;
  flex-direction: column;
  background: var(--primary-light);
  border-radius: 14px;
  padding: 28px 24px;
  border-left: 4px solid var(--primary);
  text-decoration: none;
  color: inherit;
  transition: transform 0.15s, box-shadow 0.15s;
}
.auction-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 24px rgba(31, 45, 86, 0.15);
  text-decoration: none;
}
[lang="fa"] .auction-card {
  border-left: none;
  border-right: 4px solid var(--primary);
}
.auction-card h3 {
  font-size: 22px;
  color: var(--primary-dark);
  margin-bottom: 8px;
}
.auction-card p {
  font-size: 14px;
  color: var(--text-muted);
  flex: 1;
}
.auction-link {
  display: inline-block;
  margin-top: 14px;
  font-size: 13px;
  font-weight: 700;
  color: var(--primary);
}
.auction-card:hover .auction-link {
  text-decoration: underline;
}

/* ===== Contact ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: start;
  max-width: 640px;
  margin: 0 auto;
}
.contact-list {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
  box-shadow: 0 4px 16px rgba(20, 40, 70, 0.05);
}
.contact-list .row {
  display: grid;
  grid-template-columns: 88px 1fr;
  align-items: center;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}
.contact-list .row:last-child { border-bottom: none; }
.contact-list .label {
  font-weight: 700;
  font-size: 13px;
  color: var(--primary);
  letter-spacing: 0.05em;
}
.contact-list .value {
  font-size: 16px;
  color: var(--text);
  word-break: break-word;
}
.line-card {
  background: #06c755;
  border-radius: 16px;
  padding: 28px;
  text-align: center;
  color: #fff;
}
.line-card h3 {
  font-size: 20px;
  margin-bottom: 6px;
}
.line-card p {
  font-size: 13px;
  opacity: 0.9;
  margin-bottom: 16px;
}
.line-qr {
  background: #fff;
  border-radius: 12px;
  padding: 16px;
  display: inline-block;
}
.line-qr-placeholder {
  width: 180px;
  height: 180px;
  background:
    linear-gradient(45deg, #e0e0e0 25%, transparent 25%) 0 0/20px 20px,
    linear-gradient(-45deg, #e0e0e0 25%, transparent 25%) 0 0/20px 20px,
    linear-gradient(45deg, transparent 75%, #e0e0e0 75%) 0 0/20px 20px,
    linear-gradient(-45deg, transparent 75%, #e0e0e0 75%) 0 0/20px 20px,
    #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #999;
  font-size: 11px;
  text-align: center;
  border-radius: 6px;
}

/* ===== Character Band ===== */
.character-band {
  text-align: center;
  padding: 56px 24px 40px;
  background: linear-gradient(180deg, #fff 0%, var(--primary-light) 100%);
}
.character-image {
  width: 280px;
  max-width: 70vw;
  height: auto;
  margin: 0 auto 18px;
  border-radius: 16px;
  box-shadow: 0 14px 36px rgba(20, 40, 70, 0.15);
}
.character-caption {
  font-size: 16px;
  color: var(--primary-dark);
  font-weight: 600;
  max-width: 520px;
  margin: 0 auto;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--primary-dark);
  color: rgba(255,255,255,0.85);
  padding: 32px 0;
  text-align: center;
  font-size: 13px;
}

/* ===== RTL ===== */
[dir="rtl"] .hero-inner,
[dir="rtl"] .about-grid,
[dir="rtl"] .contact-grid {
  direction: rtl;
}
[dir="rtl"] .contact-list .row { grid-template-columns: 88px 1fr; }

/* ===== Responsive ===== */
@media (max-width: 760px) {
  .hero { padding: 40px 0 32px; }
  .hero-inner,
  .about-grid,
  .contact-grid { grid-template-columns: 1fr; gap: 32px; }
  .auction-row { grid-template-columns: 1fr; }
  section { padding: 56px 0; }
  .header-inner { padding: 56px 0 20px; }
  .logo { height: 200px; }
  .lang-switch { top: 16px; right: 12px; }
  .hero-character { width: 110px; height: 110px; }
}