/* ─── Reset ─────────────────────────────────────────────────────────────────── */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* ─── Custom Properties ──────────────────────────────────────────────────────── */

:root {
  --color-bg:      #FAF7F2;
  --color-text:    #3D3025;
  --color-sub:     #7B6B5A;
  --color-accent:  #B8956F;
  --color-border:  #E5DDD0;
  --color-surface: #F2EDE5;
  --color-link:    #8B6B4A;

  --font-serif: 'Cormorant Garamond', 'Noto Serif JP', Georgia, serif;
  --font-sans:  'Noto Sans JP', -apple-system, BlinkMacSystemFont, sans-serif;

  --max-width: 720px;
}

/* ─── Base ───────────────────────────────────────────────────────────────────── */

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  line-height: 1.8;
  -webkit-text-size-adjust: 100%;
}

/* ─── Site Header ─────────────────────────────────────────────────────────────── */

.site-header {
  text-align: center;
  padding: 3rem 2rem 2rem;
  border-bottom: 1px solid var(--color-border);
}

.logo {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 3rem;
  font-weight: 600;
  font-style: italic;
  color: var(--color-text);
  text-decoration: none;
  letter-spacing: 0.15em;
  display: block;
  line-height: 1.1;
  transition: color 0.2s;
}

.logo:hover {
  color: var(--color-accent);
}

.tagline {
  font-family: var(--font-serif);
  font-size: 0.9rem;
  color: var(--color-sub);
  margin-top: 0.5rem;
  letter-spacing: 0.2em;
}

/* ─── Main Content ───────────────────────────────────────────────────────────── */

.content {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 3rem 2rem 5rem;
}

.back-link {
  display: inline-block;
  margin-bottom: 2rem;
  color: var(--color-sub);
  text-decoration: none;
  font-size: 0.875rem;
  letter-spacing: 0.03em;
  transition: color 0.2s;
}

.back-link:hover {
  color: var(--color-accent);
}

.back-link::before {
  content: '← ';
}

/* ─── Headings ───────────────────────────────────────────────────────────────── */

h1 {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 600;
  color: var(--color-text);
  text-align: center;
  letter-spacing: 0.05em;
  line-height: 1.4;
}

h2 {
  font-family: 'Noto Serif JP', Georgia, serif;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-text);
  margin: 2.75rem 0 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--color-border);
  letter-spacing: 0.03em;
}

h3 {
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-sub);
  margin: 1.75rem 0 0.75rem;
  letter-spacing: 0.02em;
}

/* ─── Ornament ───────────────────────────────────────────────────────────────── */

.ornament {
  text-align: center;
  color: var(--color-accent);
  font-size: 1rem;
  margin: 0.75rem 0 2.5rem;
  letter-spacing: 0.8em;
  padding-left: 0.8em;
}

/* ─── Paragraph ──────────────────────────────────────────────────────────────── */

p {
  color: var(--color-text);
  font-size: 0.9375rem;
  margin-bottom: 1.1rem;
}

.lead-text {
  color: var(--color-sub);
  font-size: 0.9rem;
  margin-bottom: 2.5rem;
  padding: 1.25rem 1.5rem;
  background: var(--color-surface);
  border-left: 3px solid var(--color-accent);
  border-radius: 0 4px 4px 0;
  line-height: 1.9;
}

/* ─── Lists ──────────────────────────────────────────────────────────────────── */

ol, ul {
  padding-left: 1.6rem;
  margin-bottom: 1.1rem;
}

li {
  color: var(--color-text);
  font-size: 0.9375rem;
  line-height: 1.8;
  margin-bottom: 0.5rem;
}

li > ul,
li > ol {
  margin-top: 0.5rem;
  margin-bottom: 0.25rem;
}

/* ─── Horizontal Rule ────────────────────────────────────────────────────────── */

hr {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 2.5rem 0;
}

/* ─── Inline ─────────────────────────────────────────────────────────────────── */

strong {
  font-weight: 700;
  color: var(--color-text);
}

a {
  color: var(--color-link);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color 0.2s;
}

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

a:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ─── Site Footer ────────────────────────────────────────────────────────────── */

.site-footer {
  border-top: 1px solid var(--color-border);
  text-align: center;
  padding: 2.5rem 2rem 3rem;
}

.site-footer p {
  color: var(--color-sub);
  font-size: 0.875rem;
  margin-bottom: 0.35rem;
}

.footer-dates {
  margin-bottom: 0.75rem;
}

.footer-brand {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 1.15rem !important;
  font-weight: 600;
  font-style: italic;
  color: var(--color-text) !important;
  letter-spacing: 0.1em;
  margin-top: 1.25rem !important;
}

.footer-domain {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 0.85rem !important;
  letter-spacing: 0.15em;
  color: var(--color-sub) !important;
  margin-top: 0.75rem !important;
}

/* ─── Landing Page ───────────────────────────────────────────────────────────── */

.landing {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 5rem 2rem 5rem;
  text-align: center;
}

.landing-logo {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 5rem;
  font-weight: 600;
  font-style: italic;
  color: var(--color-text);
  letter-spacing: 0.15em;
  line-height: 1.05;
  margin-bottom: 0;
  display: block;
  text-decoration: none;
}

.landing-tagline {
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--color-sub);
  letter-spacing: 0.25em;
  margin: 1rem 0 1.5rem;
}

.landing-rule {
  display: flex;
  align-items: center;
  gap: 1rem;
  justify-content: center;
  margin: 1.5rem 0 2rem;
}

.landing-rule::before,
.landing-rule::after {
  content: '';
  flex: 1;
  max-width: 80px;
  height: 1px;
  background: var(--color-border);
}

.landing-rule span {
  color: var(--color-accent);
  font-size: 0.85rem;
  letter-spacing: 0.3em;
}

.landing-desc {
  color: var(--color-sub);
  font-size: 0.95rem;
  margin-bottom: 3.5rem;
  line-height: 1.9;
}

.doc-links {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 4rem;
}

.doc-links a {
  display: block;
  padding: 0.875rem 2.5rem;
  color: var(--color-text);
  text-decoration: none;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  min-width: 220px;
  background: transparent;
  transition: border-color 0.2s, background-color 0.2s, color 0.2s;
}

.doc-links a:hover {
  border-color: var(--color-accent);
  background-color: var(--color-surface);
  color: var(--color-accent);
}

.doc-links a:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

/* ─── Responsive ─────────────────────────────────────────────────────────────── */

@media (max-width: 600px) {
  .site-header {
    padding: 2rem 1.25rem 1.5rem;
  }

  .logo {
    font-size: 2.25rem;
  }

  .content {
    padding: 2rem 1.25rem 4rem;
  }

  h1 {
    font-size: 1.6rem;
  }

  h2 {
    font-size: 1rem;
  }

  .landing {
    padding: 3.5rem 1.25rem 3.5rem;
  }

  .landing-logo {
    font-size: 3.75rem;
  }

  .site-footer {
    padding: 2rem 1.25rem 2.5rem;
  }
}

/* ─── Print ──────────────────────────────────────────────────────────────────── */

@media print {
  .site-header,
  .back-link {
    display: none;
  }

  body {
    font-size: 11pt;
    color: #000;
    background: #fff;
    line-height: 1.6;
  }

  h2 {
    page-break-after: avoid;
  }

  p, li {
    orphans: 3;
    widows: 3;
  }

  a[href]::after {
    content: '';
  }
}