:root {
  --navy: #14273d;
  --navy-soft: #253c54;
  --ink: #272b2e;
  --muted: #677078;
  --line: #d9d8d2;
  --beige: #f4f1ea;
  --beige-deep: #e9e3d8;
  --white: #fff;
  --container: 1120px;
  --shadow: 0 20px 50px rgba(20, 39, 61, 0.09);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: "Noto Sans JP", "Yu Gothic", "Hiragino Kaku Gothic ProN", "Noto Sans SC", "PingFang SC", sans-serif;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
}

.container {
  width: min(calc(100% - 48px), var(--container));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  border-bottom: 1px solid rgba(20, 39, 61, 0.1);
  background: rgba(255, 255, 255, 0.96);
}

.header-inner {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.brand {
  color: var(--navy);
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: 23px;
  font-weight: 600;
  letter-spacing: 0.1em;
  white-space: nowrap;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 26px;
  color: #47515a;
  font-size: 13px;
}

.desktop-nav a {
  padding: 26px 0 24px;
  border-bottom: 2px solid transparent;
}

.desktop-nav a:hover,
.desktop-nav a[aria-current="page"] {
  color: var(--navy);
  border-color: var(--navy);
}

.lang-link {
  padding: 7px 11px !important;
  border: 1px solid var(--line) !important;
}

.menu-button {
  display: none;
  border: 0;
  background: transparent;
  color: var(--navy);
  cursor: pointer;
}

.mobile-nav {
  display: none;
}

.hero {
  min-height: 650px;
  display: grid;
  align-items: center;
  background:
    linear-gradient(90deg, rgba(244, 241, 234, 0.98) 0%, rgba(244, 241, 234, 0.96) 54%, rgba(244, 241, 234, 0.65) 100%),
    linear-gradient(135deg, #fff, var(--beige-deep));
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.18fr 0.82fr;
  align-items: center;
  gap: 80px;
  padding: 90px 0;
}

.eyebrow {
  margin: 0 0 20px;
  color: #7c694e;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.17em;
  text-transform: uppercase;
}

.hero h1,
.page-hero h1 {
  margin: 0;
  color: var(--navy);
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: clamp(38px, 5vw, 64px);
  font-weight: 500;
  letter-spacing: 0.02em;
  line-height: 1.35;
}

.hero-title-line {
  display: block;
  white-space: nowrap;
}

.hero-lead {
  max-width: 720px;
  margin: 28px 0 0;
  color: #535d65;
  font-size: 17px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 38px;
}

.button {
  min-width: 168px;
  padding: 14px 22px;
  border: 1px solid var(--navy);
  text-align: center;
  font-size: 14px;
  font-weight: 600;
  transition: 0.2s ease;
}

.button-primary {
  color: var(--white);
  background: var(--navy);
}

.button-primary:hover {
  background: var(--navy-soft);
}

.button-secondary {
  color: var(--navy);
  background: transparent;
}

.button-secondary:hover {
  background: rgba(255, 255, 255, 0.65);
}

.hero-panel {
  padding: 36px;
  border-left: 1px solid #cfc8ba;
}

.vector-art {
  display: block;
  width: 100%;
  height: auto;
}

.hero-art {
  max-width: 330px;
  margin: -18px 0 24px;
}

.hero-panel strong {
  display: block;
  color: var(--navy);
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: 24px;
  font-weight: 500;
}

.hero-panel p {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.hero-panel ul {
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.hero-panel li {
  padding: 15px 0;
  border-top: 1px solid #d8d1c4;
  color: var(--navy);
  font-size: 14px;
}

.section {
  padding: 100px 0;
}

.section-soft {
  background: var(--beige);
}

.section-dark {
  color: var(--white);
  background: var(--navy);
}

.section-head {
  display: grid;
  grid-template-columns: 0.55fr 1fr;
  align-items: end;
  gap: 80px;
  margin-bottom: 50px;
}

.section-head h2,
.content-heading {
  margin: 0;
  color: var(--navy);
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: clamp(30px, 4vw, 46px);
  font-weight: 500;
  line-height: 1.45;
}

.section-dark .section-head h2 {
  color: var(--white);
}

.section-head p {
  margin: 0;
  color: var(--muted);
}

.section-dark .section-head p {
  color: #cbd3dc;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.card {
  min-height: 320px;
  padding: 32px;
  border: 1px solid var(--line);
  background: var(--white);
}

.card-art {
  height: 116px;
  margin: -12px -12px 20px;
  overflow: hidden;
}

.card-art .vector-art {
  height: 100%;
  object-fit: contain;
}

.card-number {
  color: #9c8769;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.15em;
}

.card h3 {
  margin: 15px 0;
  color: var(--navy);
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: 25px;
  font-weight: 500;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.card-link {
  display: inline-block;
  margin-top: 26px;
  color: var(--navy);
  border-bottom: 1px solid var(--navy);
  font-size: 13px;
}

.value-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(255, 255, 255, 0.16);
}

.value-item {
  padding: 42px 34px;
  background: var(--navy);
}

.value-item strong {
  display: block;
  margin-bottom: 12px;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: 22px;
  font-weight: 500;
}

.value-item p {
  margin: 0;
  color: #cbd3dc;
  font-size: 14px;
}

.page-hero {
  padding: 92px 0 82px;
  background: var(--beige);
}

.page-hero h1 {
  font-size: clamp(38px, 5vw, 58px);
}

.page-hero p:last-child {
  max-width: 720px;
  margin: 24px 0 0;
  color: var(--muted);
}

.split {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 90px;
}

.prose p {
  margin: 0 0 22px;
  color: #56616a;
}

.company-table,
.property-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.company-table th,
.company-table td,
.property-table th,
.property-table td {
  padding: 19px 20px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.company-table th,
.property-table th {
  width: 28%;
  color: var(--navy);
  background: #f8f7f3;
  font-weight: 600;
}

.service-list {
  display: grid;
  gap: 28px;
}

.service-block {
  display: grid;
  grid-template-columns: 130px 180px 1fr;
  align-items: start;
  gap: 34px;
  padding: 40px;
  border: 1px solid var(--line);
}

.service-art {
  display: grid;
  min-height: 112px;
  place-items: center;
  border-radius: 70px;
  background: var(--beige);
}

.service-block h2 {
  margin: 0;
  color: var(--navy);
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: 25px;
  font-weight: 500;
}

.service-block p {
  margin: 0 0 18px;
  color: var(--muted);
}

.service-block ul {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px 28px;
  margin: 0;
  padding: 0;
  list-style: none;
  color: #3f4b55;
  font-size: 14px;
}

.service-subgroup + .service-subgroup {
  margin-top: 24px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.service-subgroup h3 {
  margin: 0 0 12px;
  color: var(--navy);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.service-block li::before {
  content: "—";
  margin-right: 8px;
  color: #9c8769;
}

.steps {
  counter-reset: step;
  max-width: 880px;
  margin: 0 auto;
}

.process-art {
  max-width: 760px;
  margin: -34px auto 34px;
}

.step {
  counter-increment: step;
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 34px;
  padding: 34px 0;
  border-bottom: 1px solid var(--line);
}

.step::before {
  content: "0" counter(step);
  color: #9c8769;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.step h2 {
  margin: 0 0 10px;
  color: var(--navy);
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: 24px;
  font-weight: 500;
}

.step p {
  margin: 0;
  color: var(--muted);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.contact-card {
  padding: 40px;
  border: 1px solid var(--line);
}

.contact-card h2 {
  margin: 0 0 16px;
  color: var(--navy);
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: 25px;
  font-weight: 500;
}

.contact-main {
  display: block;
  margin: 22px 0 8px;
  color: var(--navy);
  font-size: clamp(20px, 3vw, 28px);
  font-weight: 600;
  word-break: break-all;
}

.note {
  color: var(--muted);
  font-size: 13px;
}

.property-visual {
  position: relative;
  min-height: 360px;
  margin-bottom: 46px;
  color: #7b7b76;
  background: var(--beige);
  border: 1px solid var(--line);
  text-align: center;
  overflow: hidden;
}

.property-visual > .vector-art {
  width: 100%;
  min-height: 360px;
  object-fit: cover;
}

.property-visual-copy {
  position: absolute;
  right: 38px;
  bottom: 34px;
  max-width: 310px;
  padding: 22px 26px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow);
}

.property-visual-copy strong {
  display: block;
  color: var(--navy);
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: 28px;
  font-weight: 500;
}

.property-badge {
  display: inline-block;
  margin-bottom: 18px;
  padding: 6px 12px;
  color: var(--white);
  background: var(--navy);
  font-size: 12px;
}

.notice {
  margin-top: 28px;
  padding: 20px 24px;
  color: #5e625f;
  background: var(--beige);
  font-size: 13px;
}

.cta {
  padding: 74px 0;
  color: var(--white);
  background: var(--navy);
}

.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

.cta h2 {
  margin: 0 0 10px;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: clamp(27px, 4vw, 38px);
  font-weight: 500;
}

.cta p {
  margin: 0;
  color: #cbd3dc;
}

.cta .button {
  color: var(--navy);
  border-color: var(--white);
  background: var(--white);
}

.site-footer {
  padding: 62px 0 24px;
  color: #c7d0d8;
  background: #0d1b2a;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 60px;
}

.footer-brand {
  margin-bottom: 18px;
  color: var(--white);
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: 24px;
  letter-spacing: 0.1em;
}

.footer-info {
  margin: 0;
  font-size: 13px;
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(2, auto);
  gap: 7px 28px;
  font-size: 13px;
}

.copyright {
  margin-top: 50px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  color: #81909c;
  font-size: 11px;
}

@media (max-width: 860px) {
  .desktop-nav {
    display: none;
  }

  .menu-button {
    display: block;
  }

  .mobile-nav.is-open {
    display: grid;
    padding: 10px 24px 24px;
    border-top: 1px solid var(--line);
    background: var(--white);
  }

  .mobile-nav a {
    padding: 12px 0;
    border-bottom: 1px solid #eceae5;
    font-size: 14px;
  }

  .hero {
    min-height: auto;
  }

  .hero-grid,
  .section-head,
  .split,
  .cta-inner {
    grid-template-columns: 1fr;
    gap: 38px;
  }

  .hero-panel {
    padding: 28px 0 0;
    border-top: 1px solid #cfc8ba;
    border-left: 0;
  }

  .cards,
  .value-grid {
    grid-template-columns: 1fr;
  }

  .service-block {
    grid-template-columns: 120px 1fr;
    gap: 20px;
  }

  .service-block > div:last-child {
    grid-column: 1 / -1;
  }

  .cta-inner {
    display: grid;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .container {
    width: min(calc(100% - 32px), var(--container));
  }

  .header-inner {
    min-height: 68px;
  }

  .brand {
    font-size: 20px;
  }

  .hero-grid {
    padding: 70px 0;
  }

  .hero-title-line {
    white-space: normal;
  }

  .section {
    padding: 72px 0;
  }

  .page-hero {
    padding: 64px 0 58px;
  }

  .service-block,
  .contact-card {
    padding: 28px 22px;
  }

  .service-block ul,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .service-block {
    grid-template-columns: 1fr;
  }

  .service-art {
    max-width: 180px;
  }

  .property-visual-copy {
    right: 16px;
    bottom: 16px;
    left: 16px;
  }

  .step {
    grid-template-columns: 52px 1fr;
    gap: 18px;
  }

  .company-table th,
  .company-table td,
  .property-table th,
  .property-table td {
    display: block;
    width: 100%;
  }

  .company-table th,
  .property-table th {
    padding-bottom: 7px;
    border-bottom: 0;
  }

  .company-table td,
  .property-table td {
    padding-top: 7px;
  }

  .footer-nav {
    grid-template-columns: 1fr;
  }
}