:root {
  --bg: #faf7f2;
  --ink: #1a1a1a;
  --ink-soft: #4a4a4a;
  --sub: #6b6b6b;
  --gold: #b8945f;
  --gold-deep: #8c6e3f;
  --border: #e6dfd0;
  --card: #ffffff;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--ink);
  font-family: "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", sans-serif;
  font-size: 16px;
  line-height: 1.85;
  letter-spacing: 0.02em;
  -webkit-font-smoothing: antialiased;
}

.serif {
  font-family: "Noto Serif JP", "Hiragino Mincho ProN", "Yu Mincho", serif;
  font-weight: 500;
}

a {
  color: var(--gold-deep);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease, color 0.2s ease;
}

a:hover {
  border-bottom-color: var(--gold-deep);
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.site-header {
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(8px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand {
  font-family: "Noto Serif JP", serif;
  font-size: 22px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: 0.08em;
  border: none;
}

.brand-jp {
  font-size: 12px;
  color: var(--sub);
  margin-left: 12px;
  letter-spacing: 0.15em;
}

.nav {
  display: flex;
  gap: 32px;
}

.nav a {
  color: var(--ink-soft);
  font-size: 14px;
  letter-spacing: 0.1em;
  border: none;
}

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

@media (max-width: 640px) {
  .header-inner {
    height: auto;
    padding: 16px 0;
    flex-direction: column;
    gap: 12px;
  }
  .brand-jp {
    display: none;
  }
  .nav {
    gap: 20px;
    font-size: 13px;
  }
}

/* Hero */
.hero {
  padding: 96px 0 80px;
  border-bottom: 1px solid var(--border);
}

.hero-eyebrow {
  font-size: 12px;
  letter-spacing: 0.3em;
  color: var(--gold-deep);
  text-transform: uppercase;
  margin-bottom: 24px;
}

.hero-title {
  font-family: "Noto Serif JP", serif;
  font-size: 48px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--ink);
  margin-bottom: 24px;
  letter-spacing: 0.04em;
}

.hero-sub {
  font-size: 17px;
  color: var(--ink-soft);
  max-width: 640px;
  line-height: 1.9;
}

@media (max-width: 640px) {
  .hero {
    padding: 56px 0 48px;
  }
  .hero-title {
    font-size: 30px;
  }
  .hero-sub {
    font-size: 15px;
  }
}

/* Sections */
.section {
  padding: 80px 0;
  border-bottom: 1px solid var(--border);
}

.section-title {
  font-family: "Noto Serif JP", serif;
  font-size: 28px;
  font-weight: 600;
  margin-bottom: 12px;
  letter-spacing: 0.04em;
}

.section-eyebrow {
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--gold-deep);
  text-transform: uppercase;
  margin-bottom: 16px;
}

.section-lead {
  font-size: 16px;
  color: var(--ink-soft);
  max-width: 720px;
  margin-bottom: 48px;
}

@media (max-width: 640px) {
  .section {
    padding: 56px 0;
  }
  .section-title {
    font-size: 22px;
  }
}

/* Service cards */
.services {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.service-card {
  background: var(--card);
  border: 1px solid var(--border);
  padding: 32px 28px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.service-card:hover {
  border-color: var(--gold);
  transform: translateY(-2px);
}

.service-name {
  font-family: "Noto Serif JP", serif;
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 8px;
}

.service-tag {
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--gold-deep);
  margin-bottom: 16px;
  text-transform: uppercase;
}

.service-desc {
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.8;
}

/* Company info table */
.info-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--card);
  border: 1px solid var(--border);
}

.info-table th,
.info-table td {
  padding: 20px 24px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  font-size: 15px;
  vertical-align: top;
}

.info-table tr:last-child th,
.info-table tr:last-child td {
  border-bottom: none;
}

.info-table th {
  width: 200px;
  font-weight: 500;
  color: var(--sub);
  background: #fbf9f4;
  letter-spacing: 0.08em;
  font-size: 13px;
}

.info-table td {
  color: var(--ink);
}

@media (max-width: 640px) {
  .info-table th,
  .info-table td {
    display: block;
    width: 100%;
    padding: 12px 18px;
  }
  .info-table th {
    border-bottom: none;
    padding-bottom: 4px;
  }
  .info-table td {
    padding-top: 4px;
  }
}

/* Contact block */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.contact-card {
  background: var(--card);
  border: 1px solid var(--border);
  padding: 28px;
}

.contact-label {
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--gold-deep);
  margin-bottom: 12px;
  text-transform: uppercase;
}

.contact-value {
  font-family: "Noto Serif JP", serif;
  font-size: 18px;
  color: var(--ink);
}

/* Long form text */
.prose {
  max-width: 720px;
}

.prose h2 {
  font-family: "Noto Serif JP", serif;
  font-size: 22px;
  font-weight: 600;
  margin: 48px 0 16px;
  letter-spacing: 0.04em;
}

.prose h2:first-child {
  margin-top: 0;
}

.prose h3 {
  font-family: "Noto Serif JP", serif;
  font-size: 17px;
  font-weight: 600;
  margin: 32px 0 12px;
}

.prose p {
  margin-bottom: 16px;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.95;
}

.prose ul,
.prose ol {
  margin: 12px 0 20px 24px;
  color: var(--ink-soft);
  font-size: 15px;
}

.prose li {
  margin-bottom: 6px;
  line-height: 1.85;
}

.prose .updated {
  color: var(--sub);
  font-size: 13px;
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

/* Footer */
.site-footer {
  background: #f3eee2;
  padding: 56px 0 32px;
  margin-top: 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
}

.footer-brand {
  font-family: "Noto Serif JP", serif;
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 12px;
  letter-spacing: 0.06em;
}

.footer-addr {
  font-size: 13px;
  color: var(--ink-soft);
  line-height: 1.9;
}

.footer-col h4 {
  font-size: 11px;
  letter-spacing: 0.25em;
  color: var(--gold-deep);
  text-transform: uppercase;
  margin-bottom: 16px;
  font-weight: 600;
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: 8px;
}

.footer-col a {
  font-size: 13px;
  color: var(--ink-soft);
  border: none;
}

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

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  font-size: 12px;
  color: var(--sub);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

@media (max-width: 640px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

/* Page header (sub-pages) */
.page-header {
  padding: 72px 0 56px;
  border-bottom: 1px solid var(--border);
}

.page-eyebrow {
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--gold-deep);
  text-transform: uppercase;
  margin-bottom: 16px;
}

.page-title {
  font-family: "Noto Serif JP", serif;
  font-size: 36px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--ink);
}

@media (max-width: 640px) {
  .page-header {
    padding: 48px 0 32px;
  }
  .page-title {
    font-size: 26px;
  }
}