*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 15px;
  line-height: 1.7;
  color: #1a1411;
  background: #fbf7ee;
}
.container { max-width: 1180px; margin: 0 auto; padding: 0 24px; }

/* === Demo banner === */
.demo-banner {
  background: linear-gradient(90deg, #c4a155, #d4b06a);
  color: #1a1411;
  padding: 8px 16px;
  text-align: center;
  font-size: 12px;
  letter-spacing: 0.05em;
  font-weight: 500;
}
.demo-banner a { color: #0c2546; text-decoration: underline; font-weight: 700; }
.demo-banner strong { font-weight: 700; }

/* === Header === */
.site-header {
  background: #0c2546;
  color: #fbf7ee;
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 2px solid #c4a155;
}
.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 72px;
}
.logo-area { display: flex; align-items: center; gap: 14px; }
.logo-mark {
  width: 44px; height: 44px;
  background: #c4a155;
  color: #0c2546;
  font-family: 'Noto Serif JP', serif;
  font-weight: 900;
  font-size: 22px;
  display: grid;
  place-items: center;
  border-radius: 2px;
}
.logo-text .company-en {
  font-family: 'Cormorant Garamond', serif;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: #c4a155;
  line-height: 1;
}
.logo-text .company-jp {
  font-family: 'Noto Serif JP', serif;
  font-size: 17px;
  font-weight: 700;
  margin-top: 4px;
  line-height: 1;
}
.main-nav { display: flex; align-items: center; gap: 28px; }
.main-nav a {
  color: #fbf7ee;
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: color 0.2s;
}
.main-nav a:hover { color: #c4a155; }
.main-nav .nav-cta {
  background: #c4a155;
  color: #0c2546;
  padding: 10px 22px;
  border-radius: 2px;
  font-weight: 700;
}
.main-nav .nav-cta:hover { background: #d4b06a; color: #0c2546; }

/* === Hero === */
.hero {
  position: relative;
  background: #0c2546;
  color: #fbf7ee;
  padding: 96px 0 80px;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at top right, rgba(196,161,85,0.18), transparent 55%),
    radial-gradient(ellipse at bottom left, rgba(196,161,85,0.08), transparent 60%);
  pointer-events: none;
}
.hero-bg::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(0deg, transparent 0, transparent 79px, rgba(196,161,85,0.06) 80px),
    repeating-linear-gradient(90deg, transparent 0, transparent 79px, rgba(196,161,85,0.06) 80px);
}
.hero-inner { position: relative; z-index: 1; }
.hero-meta {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  padding: 8px 18px;
  border: 1px solid rgba(196,161,85,0.4);
  border-radius: 999px;
  margin-bottom: 32px;
  font-size: 12px;
}
.meta-en {
  font-family: 'Cormorant Garamond', serif;
  letter-spacing: 0.25em;
  color: #c4a155;
  font-weight: 600;
}
.meta-divider {
  width: 1px; height: 12px;
  background: #c4a155;
}
.meta-jp { color: #fbf7ee; letter-spacing: 0.1em; }

.hero-title {
  font-family: 'Noto Serif JP', serif;
  font-size: 56px;
  font-weight: 700;
  line-height: 1.4;
  margin: 0 0 28px;
  letter-spacing: 0.04em;
}
.hero-title span { display: block; }

.hero-lead {
  font-size: 16px;
  line-height: 2.0;
  max-width: 640px;
  margin: 0 0 40px;
  opacity: 0.9;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-bottom: 64px;
}
.btn {
  display: inline-block;
  padding: 16px 36px;
  border-radius: 2px;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.2s;
  letter-spacing: 0.05em;
}
.btn-primary {
  background: #c4a155;
  color: #0c2546;
}
.btn-primary:hover {
  background: #d4b06a;
  transform: translateY(-1px);
}
.btn-ghost {
  border: 1px solid rgba(251,247,238,0.4);
  color: #fbf7ee;
}
.btn-ghost:hover {
  border-color: #c4a155;
  color: #c4a155;
}
.btn-large {
  padding: 20px 56px;
  font-size: 16px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  padding-top: 40px;
  border-top: 1px solid rgba(196,161,85,0.3);
}
.stat .stat-num {
  font-family: 'Noto Serif JP', serif;
  font-size: 44px;
  font-weight: 700;
  color: #c4a155;
  line-height: 1;
}
.stat .stat-num span {
  font-size: 18px;
  margin-left: 4px;
  font-weight: 500;
}
.stat .stat-label {
  font-size: 12px;
  letter-spacing: 0.1em;
  margin-top: 8px;
  opacity: 0.8;
}

/* === Sections common === */
.section { padding: 96px 0; }
.section-head {
  display: flex;
  align-items: flex-end;
  gap: 32px;
  margin-bottom: 48px;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(12,37,70,0.15);
}
.section-num {
  font-family: 'Cormorant Garamond', serif;
  font-size: 56px;
  font-weight: 500;
  color: #c4a155;
  line-height: 0.9;
}
.section-en {
  font-family: 'Cormorant Garamond', serif;
  font-size: 13px;
  letter-spacing: 0.3em;
  color: #6b5c4c;
}
.section-title {
  font-family: 'Noto Serif JP', serif;
  font-size: 36px;
  font-weight: 700;
  margin: 4px 0 0;
  color: #0c2546;
  letter-spacing: 0.04em;
}
.section-lead {
  font-size: 15px;
  line-height: 2.0;
  color: #4a4039;
  max-width: 720px;
  margin: 0 0 48px;
}

/* === Products === */
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.product-card {
  background: #fff;
  border: 1px solid rgba(12,37,70,0.1);
  padding: 36px 28px;
  border-radius: 2px;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}
.product-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 60px; height: 4px;
  background: #c4a155;
}
.product-card:hover {
  border-color: #c4a155;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(12,37,70,0.08);
}
.product-icon {
  font-size: 36px;
  color: #c4a155;
  line-height: 1;
  margin-bottom: 18px;
}
.product-card h3 {
  font-family: 'Noto Serif JP', serif;
  font-size: 21px;
  margin: 0 0 14px;
  color: #0c2546;
}
.product-card p {
  font-size: 14px;
  line-height: 1.85;
  color: #4a4039;
  margin: 0 0 20px;
}
.product-tags {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.product-tags li {
  font-size: 11px;
  padding: 4px 10px;
  background: #f0e9d9;
  color: #0c2546;
  border-radius: 2px;
  letter-spacing: 0.04em;
}

/* === Strength === */
.section-strength {
  background: #0c2546;
  color: #fbf7ee;
}
.section-head-light .section-en { color: #c4a155; }
.section-head-light .section-title { color: #fbf7ee; }
.section-head-light { border-bottom-color: rgba(196,161,85,0.3); }
.section-lead-light { color: rgba(251,247,238,0.85); }

.strength-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.strength-card {
  background: rgba(196,161,85,0.06);
  border: 1px solid rgba(196,161,85,0.25);
  padding: 48px 32px;
  border-radius: 2px;
  position: relative;
}
.strength-num {
  font-family: 'Noto Serif JP', serif;
  font-size: 28px;
  font-weight: 700;
  color: #c4a155;
  display: inline-block;
  padding: 8px 18px;
  border: 1px solid #c4a155;
  border-radius: 2px;
  margin-bottom: 20px;
  line-height: 1;
}
.strength-card h3 {
  font-family: 'Noto Serif JP', serif;
  font-size: 24px;
  margin: 0 0 16px;
  color: #fbf7ee;
}
.strength-card p {
  font-size: 14px;
  line-height: 1.95;
  color: rgba(251,247,238,0.85);
  margin: 0 0 22px;
}
.strength-data {
  font-family: 'Cormorant Garamond', serif;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: #c4a155;
  padding-top: 16px;
  border-top: 1px solid rgba(196,161,85,0.25);
}

/* === Network === */
.network-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 48px;
}
.network-item {
  background: #fff;
  border: 1px solid rgba(12,37,70,0.1);
  padding: 22px 18px;
  display: flex;
  align-items: center;
  gap: 14px;
  border-radius: 2px;
}
.network-icon {
  font-size: 22px;
  color: #c4a155;
  width: 32px;
  text-align: center;
}
.testimonial {
  background: #fff;
  border-left: 4px solid #c4a155;
  padding: 36px 40px;
  margin-top: 16px;
}
.testimonial blockquote {
  font-family: 'Noto Serif JP', serif;
  font-size: 18px;
  line-height: 1.95;
  color: #1a1411;
  margin: 0 0 16px;
  font-style: italic;
}
.testimonial cite {
  font-size: 13px;
  color: #6b5c4c;
  font-style: normal;
}

/* === Company === */
.company-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}
.company-message h3, .company-table h3 {
  font-family: 'Noto Serif JP', serif;
  font-size: 22px;
  color: #0c2546;
  margin: 0 0 24px;
  padding-bottom: 12px;
  border-bottom: 2px solid #c4a155;
  display: inline-block;
}
.company-message p {
  font-size: 14px;
  line-height: 2.0;
  margin: 0 0 18px;
}
.signature {
  font-family: 'Noto Serif JP', serif;
  font-size: 16px;
  margin-top: 32px;
  text-align: right;
}
.company-table table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.company-table th, .company-table td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid rgba(12,37,70,0.1);
  vertical-align: top;
}
.company-table th {
  width: 30%;
  font-family: 'Noto Serif JP', serif;
  color: #0c2546;
  font-weight: 700;
  background: rgba(196,161,85,0.05);
}

/* === Recruit === */
.section-recruit {
  background: #0c2546;
  color: #fbf7ee;
}
.recruit-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.recruit-card {
  background: rgba(251,247,238,0.05);
  border: 1px solid rgba(196,161,85,0.25);
  padding: 36px 28px;
  border-radius: 2px;
}
.recruit-card h3 {
  font-family: 'Noto Serif JP', serif;
  font-size: 22px;
  color: #c4a155;
  margin: 0 0 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(196,161,85,0.3);
}
.recruit-card p {
  font-size: 14px;
  line-height: 1.85;
  margin: 0 0 20px;
  color: rgba(251,247,238,0.85);
}
.recruit-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.recruit-card li {
  font-size: 13px;
  padding: 6px 0;
  border-bottom: 1px dashed rgba(196,161,85,0.2);
}
.recruit-card li:last-child { border-bottom: none; }

/* === Contact === */
.section-contact {
  padding: 96px 0;
  background: #fbf7ee;
}
.contact-card {
  max-width: 720px;
  margin: 0 auto;
  background: #fff;
  border: 1px solid #c4a155;
  padding: 64px 48px;
  text-align: center;
  border-radius: 2px;
  position: relative;
}
.contact-card::before, .contact-card::after {
  content: "";
  position: absolute;
  width: 24px; height: 24px;
  border: 2px solid #c4a155;
}
.contact-card::before {
  top: -8px; left: -8px;
  border-right: none;
  border-bottom: none;
}
.contact-card::after {
  bottom: -8px; right: -8px;
  border-left: none;
  border-top: none;
}
.contact-en {
  font-family: 'Cormorant Garamond', serif;
  font-size: 13px;
  letter-spacing: 0.3em;
  color: #c4a155;
  margin-bottom: 8px;
}
.contact-card h2 {
  font-family: 'Noto Serif JP', serif;
  font-size: 36px;
  margin: 0 0 18px;
  color: #0c2546;
}
.contact-card > p {
  font-size: 14px;
  color: #4a4039;
  margin: 0 0 36px;
}
.contact-info {
  text-align: left;
  margin-bottom: 36px;
  padding: 24px 28px;
  background: #fbf7ee;
  border-radius: 2px;
}
.contact-row {
  display: grid;
  grid-template-columns: 80px 1fr auto;
  gap: 16px;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px dashed rgba(12,37,70,0.15);
  font-size: 14px;
}
.contact-row:last-child { border-bottom: none; }
.contact-label {
  font-family: 'Noto Serif JP', serif;
  font-weight: 700;
  color: #0c2546;
}
.contact-value {
  font-family: 'Cormorant Garamond', serif;
  font-size: 18px;
  color: #1a1411;
}
.contact-note {
  font-size: 12px;
  color: #6b5c4c;
}

/* === Footer === */
.site-footer {
  background: #0c2546;
  color: rgba(251,247,238,0.7);
  padding: 40px 0;
  border-top: 4px solid #c4a155;
}
.footer-note {
  font-size: 12px;
  text-align: center;
  margin: 0 0 12px;
  line-height: 1.85;
}
.footer-credit {
  font-size: 11px;
  text-align: center;
  margin: 0;
  letter-spacing: 0.1em;
}
.footer-credit a {
  color: #c4a155;
  text-decoration: none;
}

/* === Responsive === */
@media (max-width: 980px) {
  .hero-title { font-size: 36px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .product-grid, .strength-grid, .recruit-grid { grid-template-columns: 1fr; }
  .network-grid { grid-template-columns: repeat(2, 1fr); }
  .company-layout { grid-template-columns: 1fr; }
  .main-nav { gap: 14px; font-size: 12px; }
  .main-nav a { font-size: 12px; }
  .header-inner { height: 64px; }
  .logo-text .company-jp { font-size: 14px; }
  .section { padding: 64px 0; }
  .section-title { font-size: 26px; }
  .section-num { font-size: 40px; }
  .section-head { gap: 18px; }
  .contact-card { padding: 40px 24px; }
  .contact-row { grid-template-columns: 60px 1fr; }
  .contact-row .contact-note { grid-column: 1 / -1; padding-left: 76px; margin-top: -8px; }
}
@media (max-width: 600px) {
  .main-nav a:not(.nav-cta) { display: none; }
  .hero { padding: 64px 0 56px; }
  .hero-title { font-size: 28px; }
  .hero-actions { flex-direction: column; }
  .btn { text-align: center; }
}