:root {
  color-scheme: light;
  --bg: #f3f1ea;
  --bg-soft: #fbfaf6;
  --panel: rgba(255, 255, 255, 0.9);
  --panel-strong: #ffffff;
  --text: #16231d;
  --muted: #5f6d66;
  --line: rgba(22, 35, 29, 0.11);
  --accent: #1f7a63;
  --accent-strong: #0f5443;
  --accent-soft: rgba(31, 122, 99, 0.1);
  --shadow: 0 22px 70px rgba(22, 35, 29, 0.1);
  --shadow-soft: 0 10px 30px rgba(22, 35, 29, 0.06);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-sm: 12px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Avenir Next", "Hiragino Sans", "Yu Gothic", "Noto Sans JP", sans-serif;
  line-height: 1.65;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(31, 122, 99, 0.12), transparent 30%),
    radial-gradient(circle at bottom right, rgba(15, 84, 67, 0.08), transparent 28%),
    linear-gradient(180deg, var(--bg-soft) 0%, var(--bg) 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(22, 35, 29, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(22, 35, 29, 0.02) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.42), transparent 76%);
}

a {
  color: var(--accent-strong);
  text-decoration-color: rgba(15, 84, 67, 0.34);
  text-underline-offset: 0.18em;
}

a:hover {
  text-decoration-color: rgba(15, 84, 67, 0.75);
}

code {
  padding: 0.12em 0.38em;
  border-radius: 999px;
  background: rgba(22, 35, 29, 0.06);
  font-family: "SFMono-Regular", "Menlo", "Monaco", monospace;
  font-size: 0.92em;
}

.skip-link {
  position: absolute;
  left: 18px;
  top: -48px;
  z-index: 20;
  padding: 10px 14px;
  border-radius: 999px;
  background: var(--accent-strong);
  color: #fff;
  text-decoration: none;
}

.skip-link:focus {
  top: 18px;
}

.site-shell,
.legal-shell {
  position: relative;
  z-index: 1;
}

.site-shell {
  width: min(1160px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 64px;
}

.legal-shell {
  width: min(1200px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 72px;
}

.page-enter {
  animation: page-enter 380ms ease-out both;
}

@keyframes page-enter {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
}

.brand-lockup {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.eyebrow {
  margin: 0;
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.brand-title {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 700;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.nav-chip {
  display: inline-flex;
  align-items: center;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.8);
  color: var(--text);
  text-decoration: none;
  font-size: 0.94rem;
  box-shadow: var(--shadow-soft);
}

.nav-chip:hover {
  border-color: rgba(31, 122, 99, 0.34);
  background: rgba(255, 255, 255, 0.96);
}

.hero-grid,
.surface-card,
.summary-card,
.legal-hero,
.legal-surface,
.legal-aside > .summary-card,
.trust-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: var(--panel);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.32fr) minmax(300px, 0.88fr);
  gap: 22px;
  padding: clamp(28px, 5vw, 50px);
  margin-bottom: 22px;
  position: relative;
  overflow: hidden;
}

.hero-grid::before,
.hero-grid::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}

.hero-grid::before {
  width: 320px;
  height: 320px;
  top: -110px;
  right: -90px;
  background: radial-gradient(circle, rgba(31, 122, 99, 0.16), transparent 70%);
}

.hero-grid::after {
  width: 220px;
  height: 220px;
  bottom: -120px;
  left: -60px;
  background: radial-gradient(circle, rgba(15, 84, 67, 0.12), transparent 72%);
}

.hero-panel,
.trust-panel {
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-size: 0.88rem;
  font-weight: 700;
}

.hero-panel h1,
.legal-hero h1 {
  margin: 16px 0 14px;
  font-family: "Iowan Old Style", "Palatino Linotype", "Times New Roman", serif;
  letter-spacing: -0.04em;
  line-height: 1.02;
}

.hero-panel h1 {
  max-width: 11ch;
  font-size: clamp(2.5rem, 6vw, 5rem);
}

.legal-hero h1 {
  font-size: clamp(2.15rem, 5vw, 4rem);
}

.hero-panel p,
.legal-hero p,
.lede,
.legal-surface p {
  margin: 0;
  color: var(--muted);
}

.hero-actions,
.inline-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  text-decoration: none;
  font-weight: 700;
}

.button-primary {
  background: linear-gradient(135deg, #1f8c72 0%, #115846 100%);
  color: #fff;
}

.button-secondary {
  background: rgba(255, 255, 255, 0.86);
  border-color: rgba(22, 35, 29, 0.14);
  color: var(--text);
}

.trust-panel {
  padding: 24px 22px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.94) 0%, rgba(243, 248, 245, 0.88) 100%);
}

.fact-list,
.summary-list,
.link-list,
.legal-list,
.toc-list {
  margin: 0;
  padding-left: 1.1rem;
}

.fact-list li + li,
.summary-list li + li,
.link-list li + li,
.legal-list li + li,
.toc-list li + li {
  margin-top: 0.55rem;
}

.summary-list strong,
.link-list strong,
.legal-list strong {
  color: var(--text);
}

.stat-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 26px;
}

.stat-chip {
  padding: 14px 16px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid rgba(22, 35, 29, 0.08);
}

.stat-chip strong,
.section-title,
.meta-label,
.legal-meta-label {
  display: block;
  margin: 0 0 7px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--muted);
}

.stat-chip span {
  display: block;
  font-weight: 700;
  color: var(--text);
}

.overview-grid,
.legal-link-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 20px;
  margin-top: 20px;
}

.span-5 {
  grid-column: span 5;
}

.span-6 {
  grid-column: span 6;
}

.span-7 {
  grid-column: span 7;
}

.surface-card {
  padding: 28px;
}

.surface-card h2,
.summary-card h2,
.legal-surface h2 {
  margin: 0 0 14px;
  font-size: 1.32rem;
  line-height: 1.25;
}

.lede {
  max-width: 60ch;
  font-size: 1rem;
}

.meta-grid,
.legal-meta {
  display: grid;
  gap: 12px 18px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 22px;
}

.meta-item,
.legal-meta-item {
  padding: 14px 16px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(22, 35, 29, 0.08);
}

.meta-value,
.legal-meta-value {
  font-weight: 700;
  color: var(--text);
}

.summary-card {
  margin-top: 22px;
  padding: 18px 20px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
}

.legal-link-grid .surface-card {
  min-height: 100%;
}

.legal-layout {
  display: grid;
  grid-template-columns: minmax(250px, 290px) minmax(0, 1fr);
  gap: 22px;
  align-items: start;
  margin-top: 20px;
}

.legal-aside {
  position: sticky;
  top: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.toc-link {
  display: inline-block;
  text-decoration-thickness: 1px;
}

.legal-hero {
  padding: clamp(24px, 5vw, 40px);
}

.legal-hero p {
  max-width: 72ch;
}

.legal-surface {
  padding: clamp(24px, 5vw, 40px);
}

.legal-section {
  scroll-margin-top: 28px;
}

.legal-section + .legal-section {
  margin-top: 28px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.legal-surface p,
.legal-surface li {
  max-width: 72ch;
  color: var(--muted);
}

.info-note {
  margin-top: 18px;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  background: var(--accent-soft);
  color: var(--accent-strong);
}

.footer {
  margin-top: 28px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.94rem;
}

@media (max-width: 1000px) {
  .hero-grid,
  .legal-layout {
    grid-template-columns: 1fr;
  }

  .legal-aside {
    position: static;
  }

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

@media (max-width: 860px) {
  .span-5,
  .span-6,
  .span-7 {
    grid-column: span 12;
  }

  .meta-grid,
  .legal-meta {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .site-shell,
  .legal-shell {
    width: min(100% - 20px, 100%);
    padding-top: 18px;
  }

  .site-nav {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero-panel h1 {
    max-width: none;
  }

  .hero-actions,
  .inline-actions,
  .nav-links {
    width: 100%;
  }

  .button {
    width: 100%;
  }

  .stat-strip {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .page-enter {
    animation: none;
  }
}