:root {
  --navy: #1a1a2e;
  --navy-2: #182642;
  --bg: #f5f5f5;
  --surface: #ffffff;
  --text: #1f2b38;
  --sub: #4f5f73;
  --line: #d8e1eb;
  --accent: #0f766e;
  --radius: 16px;
  --shadow: 0 14px 32px rgba(16, 35, 64, 0.12);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Noto Sans JP', sans-serif;
  color: var(--text);
  line-height: 1.7;
  background:
    radial-gradient(1000px 420px at 8% -10%, #e7f3ff 0%, transparent 62%),
    radial-gradient(900px 360px at 95% 8%, #f9f3df 0%, transparent 58%),
    var(--bg);
}

a {
  color: inherit;
}

.container {
  width: min(1120px, 92vw);
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(245, 245, 245, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(26, 26, 46, 0.1);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 14px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.brand-mark {
  width: 24px;
  height: 24px;
  border-radius: 7px;
  background: linear-gradient(145deg, var(--navy), #304575);
}

.brand-name {
  font-family: 'Shippori Mincho', serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: 0.08em;
}

.header-nav {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.header-nav a {
  text-decoration: none;
  color: #27374f;
  font-size: 0.92rem;
}

.nav-pill {
  border-radius: 999px;
  padding: 7px 13px;
  border: 1px solid #b8c9df;
  background: #fff;
}

.nav-cta {
  border-radius: 999px;
  padding: 8px 14px;
  color: #fff;
  background: var(--navy);
}

.hero {
  padding: 72px 0 56px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 24px;
  align-items: stretch;
}

.hero-copy h1 {
  margin: 8px 0 14px;
  font-family: 'Shippori Mincho', serif;
  font-size: clamp(1.9rem, 2.8vw, 3rem);
  line-height: 1.3;
  letter-spacing: 0.03em;
  color: #10203a;
}

.eyebrow {
  margin: 0;
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  color: #4f6788;
  font-weight: 800;
}

.hero-description {
  margin: 0;
  color: var(--sub);
}

.hero-actions {
  margin-top: 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  border-radius: 999px;
  padding: 11px 17px;
  font-weight: 700;
  border: 1px solid transparent;
}

.btn-primary {
  color: #fff;
  background: linear-gradient(120deg, var(--navy), #2f4a73);
  box-shadow: 0 10px 22px rgba(20, 40, 75, 0.2);
}

.btn-secondary {
  color: #23466f;
  border-color: #bbcadf;
  background: #fff;
}

.hero-cards {
  display: grid;
  gap: 14px;
}

.card {
  background: var(--surface);
  border: 1px solid #d7e3f1;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px;
}

.card h3 {
  margin: 0 0 8px;
  color: #132745;
}

.card p {
  margin: 0;
  color: #4f647e;
}

.card .label {
  margin: 0;
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  color: #627da4;
  font-weight: 800;
}

.section {
  padding: 68px 0;
}

.section h2 {
  margin: 0;
  color: #122340;
  font-size: clamp(1.5rem, 2.2vw, 2rem);
}

.section-lead {
  margin: 12px 0 0;
  color: #4f6076;
}

.value-grid {
  margin-top: 22px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.value-item {
  background: #fff;
  border: 1px solid #dce6f2;
  border-radius: 14px;
  padding: 18px;
}

.value-item h3 {
  margin: 0 0 6px;
  color: #193359;
  font-size: 1rem;
}

.value-item p {
  margin: 0;
  color: #516782;
  font-size: 0.95rem;
}

.business-grid {
  margin-top: 22px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.business-card {
  background: #fff;
  border: 1px solid #d8e6df;
  border-radius: 16px;
  padding: 22px;
  box-shadow: 0 10px 24px rgba(26, 62, 55, 0.09);
}

.business-card h3 {
  margin: 0 0 8px;
  color: #153b37;
}

.business-card p {
  margin: 0;
  color: #4d6662;
}

.business-card ul {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.business-card li {
  margin: 0;
  padding: 6px 0;
  color: #365955;
  border-bottom: 1px solid #e5efec;
}

.business-card li:last-child {
  border-bottom: 0;
}

.business-card li::before {
  content: "•";
  margin-right: 8px;
  color: #0f766e;
}

.link-row {
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.summary {
  margin-top: 22px;
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  background: #fff;
}

.summary-row {
  display: grid;
  grid-template-columns: 220px 1fr;
}

.summary-row + .summary-row {
  border-top: 1px solid var(--line);
}

.summary dt,
.summary dd {
  margin: 0;
  padding: 15px 18px;
}

.summary dt {
  background: #f7fafc;
  color: #304862;
  font-weight: 700;
}

.summary dd {
  color: #304762;
}

.section-navy {
  background: linear-gradient(180deg, #f7fbff 0%, #edf5ff 100%);
  border-top: 1px solid #d9e6f5;
  border-bottom: 1px solid #d9e6f5;
  color: #1f2b38;
}

.section-navy h2 {
  color: #132744;
}

.section-navy .section-lead {
  color: #4f6076;
}

.contact-grid {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.contact-item {
  border: 1px solid #d5e2f2;
  border-radius: 14px;
  padding: 18px;
  background: #ffffff;
  box-shadow: 0 8px 18px rgba(21, 44, 74, 0.08);
}

.contact-item h3 {
  margin: 0 0 8px;
  font-size: 1rem;
}

.contact-item p {
  margin: 0;
  color: #304a69;
}

.contact-item a {
  color: #1a4d8f;
}

.site-footer {
  padding: 24px 0 34px;
}

.footer-inner {
  border-top: 1px solid #d4dde8;
  padding-top: 15px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
  color: #5a6f86;
  font-size: 0.9rem;
}

.footer-links {
  display: inline-flex;
  gap: 12px;
  flex-wrap: wrap;
}

.page-hero {
  padding: 62px 0 34px;
}

.page-hero-box {
  border-radius: 16px;
  padding: 26px;
  background: linear-gradient(140deg, var(--navy), var(--navy-2));
  color: #fff;
}

.page-hero-box h1 {
  margin: 0;
  font-family: 'Shippori Mincho', serif;
  font-size: clamp(1.7rem, 2.4vw, 2.4rem);
}

.page-hero-box p {
  margin: 8px 0 0;
  color: #cfd9f0;
}

@media (max-width: 980px) {
  .header-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-grid,
  .value-grid,
  .business-grid,
  .contact-grid,
  .summary-row {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 54px;
  }

  .summary dt {
    border-bottom: 1px solid var(--line);
  }
}