:root {
  --ink: #17211f;
  --ink-soft: #45514d;
  --paper: #f8f9f6;
  --paper-deep: #edf1ec;
  --line: #d8ded7;
  --green: #335f51;
  --wine: #6e2635;
  --blue: #244e74;
  --gold: #9b762b;
  --mint: #dfece7;
  --shadow: 0 16px 38px rgba(23, 33, 31, 0.1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", "YuGothic", "Noto Sans JP", sans-serif;
  line-height: 1.75;
  letter-spacing: 0;
  text-rendering: optimizeLegibility;
}

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

img {
  display: block;
  max-width: 100%;
}

button,
input {
  font: inherit;
  letter-spacing: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 76px;
  padding: 14px 32px;
  background: rgba(251, 250, 247, 0.93);
  border-bottom: 1px solid rgba(23, 33, 31, 0.12);
  backdrop-filter: blur(18px);
}

.site-header.is-scrolled {
  box-shadow: 0 8px 24px rgba(23, 33, 31, 0.06);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 220px;
}

.brand-logo {
  display: block;
  width: 220px;
  max-height: 52px;
  height: auto;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  color: #fff;
  background: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 20px;
  border-radius: 4px;
}

.brand strong {
  display: block;
  font-size: 16px;
  line-height: 1.2;
}

.brand small {
  display: block;
  color: var(--ink-soft);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 11px;
  line-height: 1.2;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 4px;
  width: 100%;
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
}

.site-nav a {
  padding: 10px 9px;
  border-radius: 4px;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  background: var(--paper-deep);
  outline: none;
}

.nav-cta {
  margin-left: 8px;
  color: #fff;
  background: var(--wine);
}

.site-nav .nav-cta:hover,
.site-nav .nav-cta:focus-visible {
  background: #5f1f2d;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 0;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 4px;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: var(--ink);
}

.hero {
  position: relative;
  min-height: 68svh;
  overflow: hidden;
  color: #fff;
  background: var(--ink);
}

.hero-visual {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: saturate(0.82) contrast(1.08);
  opacity: 0.92;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(15, 22, 20, 0.92) 0%, rgba(15, 22, 20, 0.76) 46%, rgba(15, 22, 20, 0.32) 100%),
    linear-gradient(0deg, rgba(15, 22, 20, 0.62), rgba(15, 22, 20, 0.08));
}

.hero-inner {
  position: relative;
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
  padding: 96px 0 64px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 16px;
  color: var(--gold);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 13px;
  font-weight: 700;
  line-height: 1.4;
}

.hero h1 {
  max-width: 780px;
  margin: 0;
  font-family: Georgia, "Times New Roman", "Hiragino Mincho ProN", serif;
  font-size: 62px;
  line-height: 1.13;
  font-weight: 700;
}

.hero h1 span {
  display: block;
}

.hero-lead {
  max-width: 650px;
  margin: 28px 0 0;
  color: rgba(255, 255, 255, 0.86);
  font-size: 17px;
  line-height: 1.9;
}

.hero-actions,
.form-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.hero-actions {
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.2;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
  outline: none;
}

.button.primary {
  color: #fff;
  background: var(--wine);
}

.button.primary:hover,
.button.primary:focus-visible {
  background: #5f1f2d;
}

.button.secondary {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.86);
  border-color: rgba(23, 33, 31, 0.16);
}

.button.secondary.on-dark {
  color: #fff;
  background: transparent;
  border-color: rgba(255, 255, 255, 0.42);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 150px));
  gap: 1px;
  width: min(100%, 520px);
  margin: 38px 0 0;
  background: rgba(255, 255, 255, 0.28);
  border: 1px solid rgba(255, 255, 255, 0.28);
}

.hero-topics {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
  margin: 40px 0 0;
  padding: 0;
  list-style: none;
}

.hero-topics li {
  padding: 6px 12px;
  color: rgba(255, 255, 255, 0.88);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: 0.02em;
}

.hero-stats div {
  padding: 16px;
  background: rgba(15, 22, 20, 0.55);
}

.hero-stats dt {
  color: rgba(255, 255, 255, 0.68);
  font-size: 12px;
  font-weight: 500;
}

.hero-stats dd {
  margin: 4px 0 0;
  color: #fff;
  font-size: 20px;
  font-weight: 700;
  line-height: 1.25;
  white-space: nowrap;
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  width: min(1180px, calc(100% - 48px));
  margin: -38px auto 0;
  position: relative;
  z-index: 2;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: 0 14px 34px rgba(23, 33, 31, 0.08);
}

.trust-strip a {
  min-height: 112px;
  padding: 20px 22px;
  border-right: 1px solid var(--line);
}

.trust-strip a:last-child {
  border-right: 0;
}

.trust-strip a:hover,
.trust-strip a:focus-visible {
  background: var(--paper-deep);
  outline: none;
}

.trust-strip span {
  display: block;
  margin-bottom: 8px;
  color: var(--wine);
  font-size: 12px;
  font-weight: 600;
}

.trust-strip strong {
  display: block;
  font-size: 16px;
  line-height: 1.55;
  font-weight: 600;
}

.section {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
  padding: 84px 0;
}

.section-head {
  margin-bottom: 32px;
}

.section-head > h2,
.section-head > .section-kicker {
  max-width: 760px;
}

.section-head.split {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 32px;
}

.section h2 {
  margin: 0;
  font-size: 34px;
  line-height: 1.35;
}

.section-note {
  max-width: 420px;
  margin: 0;
  color: var(--ink-soft);
  font-size: 14px;
}

.principles {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}

.principles article {
  min-height: 260px;
  padding: 26px 28px 30px;
  border-right: 1px solid var(--line);
}

.principles article:last-child {
  border-right: 0;
}

.principle-index {
  display: block;
  color: var(--wine);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 14px;
  font-weight: 600;
}

.principles h3,
.article-card h3,
.download-card h3 {
  margin: 14px 0 10px;
  line-height: 1.45;
}

.principles p,
.article-card p,
.download-copy p,
.report-copy p,
.site-footer p {
  margin: 0;
  color: var(--ink-soft);
}

.article-card p.category,
.article-card .category {
  color: #fff;
}

.article-card.feature p.category {
  color: #fff;
}

.article-grid {
  display: grid;
  grid-template-columns: 1.35fr 1fr 1fr;
  gap: 18px;
}

.article-card {
  display: flex;
  min-height: 300px;
  flex-direction: column;
  padding: 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-top: 3px solid var(--line);
  border-radius: 6px;
  box-shadow: none;
}

.article-card:hover,
.article-card:focus-visible {
  border-color: #c2cbc3;
  border-top-color: var(--wine);
  outline: none;
}

.article-card.feature {
  grid-row: span 2;
  min-height: 618px;
  color: #fff;
  background:
    linear-gradient(155deg, rgba(23, 33, 31, 0.98), rgba(49, 82, 72, 0.88)),
    var(--ink);
  border-color: transparent;
}

.article-card.feature p,
.article-card.feature time {
  color: rgba(255, 255, 255, 0.78);
}

.article-card.feature h3 {
  margin-top: auto;
  font-size: 28px;
  color: #fff;
  font-weight: 600;
  line-height: 1.45;
}

.article-card.feature p {
  color: rgba(255, 255, 255, 0.88);
}

.article-card.feature time {
  color: rgba(255, 255, 255, 0.7);
}

.category {
  align-self: flex-start;
  margin: 0;
  padding: 4px 8px;
  color: #fff;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: 0.02em;
}

.category.market,
.swatch.market {
  background: var(--green);
}

.category.apartment,
.swatch.apartment {
  background: var(--gold);
}

.category.realestate,
.swatch.realestate {
  background: var(--wine);
}

.category.operations,
.swatch.operations {
  background: var(--blue);
}

.swatch.revival {
  background: #8b5a2b;
}

.swatch.development {
  background: #5d6b35;
}

.article-card time {
  margin-top: auto;
  padding-top: 22px;
  color: #6b756f;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 12px;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--wine);
  font-size: 14px;
  font-weight: 600;
}

.text-link::after {
  content: "";
  width: 36px;
  height: 1px;
  background: currentColor;
}

.themes {
  padding-top: 36px;
}

.theme-list {
  border-top: 1px solid var(--ink);
}

.theme-row {
  display: grid;
  grid-template-columns: 18px minmax(230px, 0.9fr) minmax(260px, 1.5fr);
  gap: 18px;
  align-items: center;
  min-height: 82px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.theme-row:hover strong,
.theme-row:focus-visible strong {
  color: var(--wine);
}

.theme-row:focus-visible {
  outline: 2px solid var(--wine);
  outline-offset: 4px;
}

.swatch {
  width: 18px;
  height: 18px;
  border-radius: 4px;
}

.theme-row strong {
  font-size: 20px;
  line-height: 1.4;
}

.theme-row span:last-child {
  color: var(--ink-soft);
}

.report-band {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 44px;
  align-items: center;
  width: 100%;
  max-width: none;
  padding: 88px max(24px, calc((100% - 1180px) / 2));
  color: #fff;
  background:
    linear-gradient(135deg, rgba(23, 33, 31, 0.98), rgba(42, 66, 59, 0.94)),
    var(--ink);
}

.report-copy {
  max-width: 520px;
}

.report-copy p {
  color: rgba(255, 255, 255, 0.76);
  margin: 18px 0 26px;
}

.report-visual {
  display: grid;
  gap: 14px;
  padding: 22px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 6px;
}

.report-row {
  display: grid;
  grid-template-columns: 78px 1fr 82px;
  gap: 16px;
  align-items: center;
  min-height: 44px;
}

.report-row span {
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 800;
}

meter {
  width: 100%;
  height: 11px;
}

meter::-webkit-meter-bar {
  background: rgba(255, 255, 255, 0.16);
  border: 0;
  border-radius: 2px;
}

meter::-webkit-meter-optimum-value {
  background: var(--gold);
  border-radius: 2px;
}

.report-map {
  position: relative;
  min-height: 220px;
  margin-top: 12px;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px),
    linear-gradient(0deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  background-size: 44px 44px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 4px;
}

.report-map::before {
  content: "";
  position: absolute;
  inset: 35px 75px 30px 120px;
  border: 2px solid rgba(255, 255, 255, 0.28);
  transform: rotate(-18deg) skew(12deg);
}

.pin {
  position: absolute;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 30px;
  color: var(--ink);
  background: #fff;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 900;
}

.pin::after {
  content: "";
  position: absolute;
  bottom: -7px;
  left: 50%;
  width: 12px;
  height: 12px;
  background: inherit;
  transform: translateX(-50%) rotate(45deg);
}

.pin.tokyo {
  top: 48px;
  right: 120px;
}

.pin.osaka {
  top: 122px;
  left: 165px;
}

.pin.fukuoka {
  bottom: 34px;
  left: 70px;
}

.term-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
}

.term-grid a {
  display: grid;
  min-height: 78px;
  place-items: center;
  padding: 12px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 6px;
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 600;
  text-align: center;
}

.term-grid a:hover,
.term-grid a:focus-visible {
  border-color: var(--wine);
  outline: none;
}

.download-section {
  width: 100%;
  max-width: none;
  padding: 82px max(24px, calc((100% - 1180px) / 2));
  background: var(--paper-deep);
}

.download-section {
  display: grid;
  grid-template-columns: 330px 1fr;
  gap: 42px;
  align-items: start;
}

.download-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.download-card {
  min-height: 236px;
  padding: 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 6px;
}

.download-card p {
  margin: 0;
  color: var(--wine);
  font-size: 12px;
  font-weight: 900;
}

.download-card span {
  display: block;
  margin-top: 42px;
  color: var(--ink-soft);
  font-size: 14px;
}

.newsletter {
  display: grid;
  grid-template-columns: 1fr 520px;
  gap: 44px;
  align-items: center;
}

.newsletter-form {
  padding: 22px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 6px;
}

.newsletter-form label {
  display: block;
  margin-bottom: 8px;
  font-size: 13px;
  font-weight: 900;
}

.newsletter-form input {
  flex: 1 1 220px;
  min-width: 0;
  height: 46px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 4px;
}

.newsletter-form input:focus {
  border-color: var(--wine);
  outline: none;
}

.form-message {
  min-height: 24px;
  margin: 12px 0 0;
  color: var(--green);
  font-size: 13px;
  font-weight: 700;
}

.site-footer {
  display: block;
  padding: 56px max(24px, calc((100% - 1180px) / 2)) 0;
  color: #fff;
  background: var(--ink);
}

.footer-top {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 56px;
  padding-bottom: 48px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer-brand .brand-logo {
  width: 240px;
  max-width: 100%;
  height: auto;
}

.footer-tag {
  color: rgba(255, 255, 255, 0.62);
  font-size: 13px;
  line-height: 1.75;
  margin: 0;
}

.footer-sitemap {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 28px 32px;
}

.footer-col h3 {
  margin: 0 0 14px;
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-col li a {
  color: rgba(255, 255, 255, 0.66);
  font-size: 12.5px;
  line-height: 1.55;
  transition: color 0.15s ease;
}

.footer-col li a:hover {
  color: #fff;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 22px 0 26px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.5);
  font-size: 12px;
}

.footer-bottom nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.footer-bottom nav a {
  color: rgba(255, 255, 255, 0.68);
  font-size: 12px;
  font-weight: 500;
}

.footer-bottom nav a:hover {
  color: #fff;
}

.footer-bottom .copyright {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
}

@media (max-width: 920px) {
  .footer-top {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .footer-sitemap {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 520px) {
  .footer-sitemap {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 1120px) {
  .site-header {
    align-items: flex-start;
    padding: 14px 24px;
  }

  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: 75px;
    right: 24px;
    display: none;
    width: min(360px, calc(100vw - 48px));
    flex-direction: column;
    align-items: stretch;
    padding: 12px;
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: 6px;
    box-shadow: var(--shadow);
  }

  .site-nav.is-open {
    display: flex;
  }

  .nav-cta {
    margin-left: 0;
  }

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

  .article-card.feature {
    grid-column: span 2;
    grid-row: auto;
    min-height: 380px;
  }

  .term-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (max-width: 820px) {
  .hero {
    min-height: 620px;
  }

  .hero-visual {
    object-position: left center;
  }

  .hero-overlay {
    background:
      linear-gradient(180deg, rgba(15, 22, 20, 0.94) 0%, rgba(15, 22, 20, 0.82) 58%, rgba(15, 22, 20, 0.46) 100%);
  }

  .hero-inner,
  .section {
    width: min(100% - 32px, 720px);
  }

  .hero-inner {
    padding: 64px 0 48px;
  }

  .trust-strip {
    grid-template-columns: 1fr;
    width: min(100% - 32px, 720px);
    margin-top: -24px;
  }

  .trust-strip a {
    min-height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .trust-strip a:last-child {
    border-bottom: 0;
  }

  .hero h1 {
    font-size: 38px;
  }

  .hero-lead {
    font-size: 16px;
  }

  .hero-stats {
    grid-template-columns: 1fr;
    width: 100%;
  }

  .section {
    padding: 62px 0;
  }

  .section h2 {
    font-size: 28px;
  }

  .section-head.split,
  .principles,
  .report-band,
  .download-section,
  .download-grid,
  .site-footer {
    grid-template-columns: 1fr;
  }

  .principles article {
    min-height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .principles article:last-child {
    border-bottom: 0;
  }

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

  .article-card.feature {
    grid-column: auto;
  }

  .theme-row {
    grid-template-columns: 18px 1fr;
  }

  .theme-row span:last-child {
    grid-column: 2;
  }

  .report-band,
  .download-section {
    padding-right: 16px;
    padding-left: 16px;
  }

  .term-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .site-footer nav {
    justify-content: flex-start;
  }
}

@media (max-width: 520px) {
  .site-header {
    min-height: 62px;
    padding: 10px 14px;
  }

  .brand {
    min-width: 0;
  }

  .brand-logo {
    width: min(190px, 56vw);
    max-height: 36px;
  }

  .brand small {
    display: none;
  }

  .site-nav {
    top: 61px;
    right: 14px;
    width: calc(100vw - 28px);
  }

  .nav-toggle {
    width: 40px;
    height: 40px;
  }

  .hero {
    display: flex;
    align-items: center;
    min-height: clamp(360px, 58svh, 430px);
  }

  .hero-inner {
    width: calc(100% - 28px);
    padding: 0;
  }

  .trust-strip {
    width: calc(100% - 28px);
  }

  .hero h1 {
    font-size: 28px;
    line-height: 1.18;
  }

  .hero-lead {
    margin-top: 20px;
    font-size: 15px;
    line-height: 1.82;
  }

  .hero-topics {
    display: none;
  }

  .hero-actions,
  .form-row {
    align-items: stretch;
    flex-direction: column;
  }

  .hero-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin-top: 34px;
  }

  .hero-stats div {
    padding: 12px 10px;
  }

  .hero-stats dt {
    font-size: 11px;
  }

  .hero-stats dd {
    font-size: 16px;
  }

  .button {
    width: 100%;
  }

  .section {
    width: calc(100% - 28px);
    padding: 54px 0;
  }

  .section h2 {
    font-size: 26px;
  }

  .article-card,
  .download-card,
  .newsletter-form {
    padding: 20px;
  }

  .article-card {
    min-height: auto;
  }

  .article-card.feature {
    min-height: auto;
  }

  .article-card.feature h3 {
    font-size: 22px;
  }

  .theme-row {
    gap: 10px 12px;
    min-height: auto;
    padding: 16px 0;
  }

  .theme-row strong {
    font-size: 17px;
  }

  .theme-row span:last-child {
    font-size: 13px;
    line-height: 1.65;
  }

  .report-row {
    grid-template-columns: 56px 1fr;
  }

  .report-row strong {
    grid-column: 2;
  }

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