*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: #2d2d2d;
  background-color: #fffbf7;
}

.header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: #fffbf7;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid #e8e2db;
}

.header-inner {
  max-width: 720px;
  margin: 0 auto;
}

.logo {
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: #2d2d2d;
}

.hero {
  min-height: 70vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 3rem 1.5rem 4rem;
  text-align: center;
}

.hero-title {
  margin: 0 0 1rem;
  font-size: clamp(2rem, 8vw, 3.5rem);
  font-weight: 200;
  letter-spacing: 0.08em;
  color: #1a1a1a;
  line-height: 1.2;
}

.hero-lead {
  margin: 0;
  font-size: 0.9375rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  color: #6b6b6b;
  text-transform: uppercase;
}

.section-title {
  margin: 0 0 2.5rem;
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  color: #8a8a8a;
  text-align: center;
  text-transform: uppercase;
}

.services {
  max-width: 720px;
  margin: 0 auto;
  padding: 4rem 1.5rem;
}

.services-grid {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.service-card {
  padding: 2rem 0 2rem 1.5rem;
  border-left: 3px solid #2d6a6a;
  margin-left: 0;
  background: transparent;
}

.service-card + .service-card {
  border-top: 1px solid #ebe6e0;
}

.service-title {
  margin: 0 0 0.5rem;
  font-size: 1.25rem;
  font-weight: 600;
  color: #1a1a1a;
  letter-spacing: 0.02em;
}

.service-desc {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: #5c5c5c;
}

.company {
  padding: 4rem 1.5rem;
  background: #f8f4ef;
  border-top: 1px solid #e8e2db;
}

.company-info {
  max-width: 640px;
  margin: 0 auto;
}

.company-info-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid #e8e2db;
}

.company-info-row:first-child {
  padding-top: 0;
}

.company-info-row:last-child {
  border-bottom: none;
}

.company-info-label {
  margin: 0;
  flex: 0 0 10em;
  font-size: 0.875rem;
  font-weight: 500;
  color: #6b6b6b;
}

.company-info-value {
  margin: 0;
  flex: 1 1 0;
  min-width: 0;
  font-size: 0.875rem;
  color: #2d2d2d;
  line-height: 1.6;
}

.company-info-value a {
  color: #2d6a6a;
  text-decoration: none;
  font-weight: 500;
}

.company-info-value a:hover {
  text-decoration: underline;
}

.footer {
  padding: 2rem 1.5rem;
  background: #fffbf7;
  border-top: 1px solid #e8e2db;
  text-align: center;
}

.footer-inner {
  max-width: 720px;
  margin: 0 auto;
}

.footer-copy {
  margin: 0;
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  color: #8a8a8a;
}