:root {
  color-scheme: light;
  --paper: #ecf9f9;
  --paper-deep: #ddf1e9;
  --surface: #fffdf4;
  --ink: #274853;
  --muted: #4b666e;
  --line: #d1e2d9;
  --accent: #62b5b2;
  --accent-dark: #25686a;
  --gold: #c9a864;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: linear-gradient(145deg, var(--paper) 0%, #f8fbf4 52%, var(--paper-deep) 100%);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", "Noto Sans JP", sans-serif;
  font-size: 16px;
  line-height: 1.8;
  overflow-wrap: anywhere;
}

a {
  color: var(--accent-dark);
  text-underline-offset: 0.16em;
}

a:hover {
  color: var(--ink);
}

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--accent-dark);
  outline-offset: 4px;
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: 0.75rem;
  z-index: 2;
  padding: 0.5rem 0.75rem;
  border-radius: 0.5rem;
  background: var(--ink);
  color: #ffffff;
  transform: translateY(-180%);
}

.skip-link:focus {
  transform: translateY(0);
}

.page-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.site-header {
  border-bottom: 1px solid rgba(209, 226, 217, 0.9);
  background: rgba(255, 253, 244, 0.78);
}

.header-inner,
.main-inner,
.footer-inner {
  width: min(100% - 2rem, 72rem);
  margin: 0 auto;
}

.header-inner {
  min-height: 4.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--ink);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-decoration: none;
}

.brand-mark {
  width: 2.25rem;
  height: 2.25rem;
  display: inline-grid;
  place-items: center;
  border: 1px solid rgba(44, 126, 128, 0.22);
  border-radius: 50%;
  background: var(--paper-deep);
  color: var(--accent-dark);
  font-size: 0.95rem;
  line-height: 1;
}

.site-nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.85rem 1.25rem;
  font-size: 0.94rem;
}

.site-nav a {
  white-space: nowrap;
}

main {
  flex: 1;
}

.hero {
  padding: 5rem 0 3.25rem;
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(16rem, 0.72fr);
  align-items: end;
  gap: 3rem;
}

.eyebrow {
  margin: 0 0 0.75rem;
  color: var(--accent-dark);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

h1,
h2,
h3 {
  color: var(--ink);
  line-height: 1.3;
  text-wrap: balance;
}

h1 {
  max-width: 13em;
  margin: 0;
  font-size: clamp(2.25rem, 5vw, 4.25rem);
  letter-spacing: -0.04em;
}

h2 {
  margin: 0;
  font-size: clamp(1.6rem, 3vw, 2.3rem);
  letter-spacing: -0.025em;
}

h3 {
  margin: 0;
  font-size: 1.17rem;
}

.hero-lede {
  max-width: 42rem;
  margin: 1.35rem 0 0;
  color: var(--muted);
  font-size: 1.12rem;
}

.hero-note {
  margin: 0;
  padding: 1.25rem 1.4rem;
  border: 1px solid var(--line);
  border-radius: 1.25rem;
  background: rgba(255, 253, 244, 0.72);
  color: var(--muted);
}

.hero-note strong {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--accent-dark);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  margin-top: 1.75rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.9rem;
  min-width: 0;
  max-width: 100%;
  padding: 0.65rem 1.1rem;
  border: 1px solid var(--accent-dark);
  border-radius: 999px;
  background: var(--accent-dark);
  color: #ffffff;
  font-weight: 700;
  text-decoration: none;
  overflow-wrap: anywhere;
}

.button:hover {
  background: var(--ink);
  color: #ffffff;
}

.button-secondary {
  border-color: var(--line);
  background: rgba(255, 253, 244, 0.58);
  color: var(--accent-dark);
}

.button-secondary:hover {
  background: var(--surface);
  color: var(--ink);
}

.section {
  padding: 2.75rem 0;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.section-heading p {
  max-width: 34rem;
  margin: 0;
  color: var(--muted);
}

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

.card {
  padding: 1.35rem;
  border: 1px solid var(--line);
  border-radius: 1.1rem;
  background: rgba(255, 253, 244, 0.82);
}

.card h3 {
  margin-bottom: 0.45rem;
}

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

.card-wide {
  grid-column: span 2;
}

.callout {
  margin: 1rem 0 0;
  padding: 1rem 1.2rem;
  border-left: 4px solid var(--accent);
  border-radius: 0 0.8rem 0.8rem 0;
  background: rgba(221, 241, 233, 0.7);
}

.faq-list {
  display: grid;
  gap: 0.75rem;
}

details {
  border: 1px solid var(--line);
  border-radius: 0.95rem;
  background: rgba(255, 253, 244, 0.8);
}

summary {
  cursor: pointer;
  padding: 1rem 1.2rem;
  color: var(--ink);
  font-weight: 700;
}

details[open] summary {
  border-bottom: 1px solid var(--line);
}

.answer {
  padding: 0.95rem 1.2rem 1.15rem;
  color: var(--muted);
}

.answer p {
  margin: 0;
}

.answer p + p {
  margin-top: 0.75rem;
}

.prose {
  max-width: 52rem;
  padding: 3.5rem 0 4.5rem;
}

.prose > .lede {
  margin: 1rem 0 2.5rem;
  color: var(--muted);
  font-size: 1.06rem;
}

.prose section + section {
  margin-top: 2.5rem;
}

.prose h2 {
  margin-bottom: 0.9rem;
  font-size: 1.6rem;
}

.prose h3 {
  margin: 1.4rem 0 0.35rem;
  font-size: 1.1rem;
}

.prose p {
  margin: 0.75rem 0;
}

.prose ul {
  margin: 0.7rem 0 1rem;
  padding-left: 1.35rem;
}

.prose li + li {
  margin-top: 0.35rem;
}

.prose .callout {
  margin: 1.25rem 0;
}

.contact-card {
  margin-top: 2.5rem;
  padding: 1.35rem 1.5rem;
  border: 1px solid var(--line);
  border-radius: 1.1rem;
  background: var(--surface);
}

.contact-card h2 {
  font-size: 1.4rem;
}

.contact-card p {
  margin: 0.55rem 0 0;
  color: var(--muted);
}

.site-footer {
  border-top: 1px solid rgba(209, 226, 217, 0.9);
  background: rgba(255, 253, 244, 0.72);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.5rem 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.footer-inner p {
  margin: 0;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
}

.muted {
  color: var(--muted);
}

@media (max-width: 720px) {
  .header-inner {
    align-items: flex-start;
    flex-direction: column;
    padding: 1rem 0;
  }

  .site-nav {
    justify-content: flex-start;
    gap: 0.45rem 1rem;
  }

  .hero {
    padding: 3.5rem 0 2.25rem;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

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

  .card-wide {
    grid-column: auto;
  }

  .section-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media print {
  :root {
    --paper: #ffffff;
    --paper-deep: #ffffff;
    --surface: #ffffff;
    --ink: #000000;
    --muted: #333333;
    --line: #aaaaaa;
  }

  body {
    background: #ffffff;
    font-size: 12pt;
  }

  .site-header,
  .site-footer,
  .hero-actions {
    display: none;
  }

  .main-inner,
  .prose {
    width: auto;
    max-width: none;
    padding: 0;
  }

  .card,
  details,
  .contact-card,
  .hero-note {
    break-inside: avoid;
    background: #ffffff;
  }

  details {
    margin-bottom: 0.75rem;
  }

  details:not([open]) .answer {
    display: block;
  }
}