/* webserver-navi · redesign · 2024 */
@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=Noto+Serif+JP:wght@400;600;700&family=Space+Mono:wght@400;700&display=swap');

:root {
  --ink:       #1a1825;
  --ink-mid:   #3d3856;
  --ink-soft:  #6b6585;
  --bg:        #f7f5ef;
  --bg-warm:   #edeae0;
  --bg-card:   #ffffff;
  --amber:     #d97b2a;
  --amber-lt:  #f5a959;
  --indigo:    #2b2457;
  --indigo-lt: #3f377a;
  --rule:      #d4cfc4;
  --header-h:  64px;
  --max-w:     1060px;
  --radius:    6px;
  --shadow:    0 2px 16px rgba(26,24,37,.08);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Noto Serif JP', serif;
  background: var(--bg);
  color: var(--ink);
  font-size: 15px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--amber); text-decoration: none; transition: color .15s; }
a:hover { color: var(--amber-lt); text-decoration: underline; }

/* ── HEADER ── */
#site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--indigo);
  height: var(--header-h);
  display: flex;
  align-items: center;
  box-shadow: 0 2px 12px rgba(0,0,0,.22);
}
.header-inner {
  max-width: var(--max-w);
  width: 100%;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 32px;
}
.site-title-link {
  font-family: 'DM Serif Display', serif;
  font-size: 1.3rem;
  color: #fff !important;
  letter-spacing: .02em;
  white-space: nowrap;
  text-decoration: none !important;
  line-height: 1.2;
}
.site-subtitle {
  font-family: 'Space Mono', monospace;
  font-size: .6rem;
  color: rgba(255,255,255,.5);
  letter-spacing: .08em;
  text-transform: uppercase;
  display: block;
}
nav#primary-nav { margin-left: auto; }
nav#primary-nav ul { list-style: none; display: flex; gap: 4px; }
nav#primary-nav ul li a {
  font-family: 'Space Mono', monospace;
  font-size: .62rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: rgba(255,255,255,.75);
  text-decoration: none;
  padding: 6px 12px;
  border-radius: var(--radius);
  transition: background .15s, color .15s;
}
nav#primary-nav ul li a:hover,
nav#primary-nav ul li a.active {
  background: rgba(255,255,255,.12);
  color: #fff;
  text-decoration: none;
}
.nav-toggle {
  display: none;
  background: none;
  border: 1px solid rgba(255,255,255,.3);
  color: #fff;
  padding: 5px 10px;
  font-size: 1rem;
  cursor: pointer;
  border-radius: 4px;
}

/* ── HERO BAND (inner pages) ── */
.page-hero {
  background: var(--indigo);
  padding: 40px 24px 36px;
  border-bottom: 3px solid var(--amber);
}
.page-hero-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}
.breadcrumb {
  font-family: 'Space Mono', monospace;
  font-size: .62rem;
  letter-spacing: .06em;
  color: rgba(255,255,255,.45);
  text-transform: uppercase;
  margin-bottom: 10px;
}
.breadcrumb a { color: rgba(255,255,255,.55); text-decoration: none; }
.breadcrumb a:hover { color: rgba(255,255,255,.85); }
.page-hero h1 {
  font-family: 'DM Serif Display', serif;
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  color: #fff;
  font-weight: 400;
  line-height: 1.25;
  margin-bottom: 8px;
}
.page-hero .lead {
  color: rgba(255,255,255,.65);
  font-size: .9rem;
  max-width: 600px;
}

/* ── HOME HERO ── */
.home-hero {
  background: var(--indigo);
  padding: 64px 24px 56px;
  border-bottom: 3px solid var(--amber);
  position: relative;
  overflow: hidden;
}
.home-hero::before {
  content: '';
  position: absolute;
  top: -80px; right: -80px;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(217,123,42,.18) 0%, transparent 70%);
  pointer-events: none;
}
.home-hero-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.home-hero-text .eyebrow {
  font-family: 'Space Mono', monospace;
  font-size: .62rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--amber-lt);
  margin-bottom: 14px;
}
.home-hero-text h1 {
  font-family: 'DM Serif Display', serif;
  font-size: clamp(2rem, 4vw, 3rem);
  color: #fff;
  font-weight: 400;
  line-height: 1.18;
  margin-bottom: 18px;
}
.home-hero-text p {
  color: rgba(255,255,255,.68);
  font-size: .95rem;
  line-height: 1.85;
  margin-bottom: 28px;
}
.hero-cta {
  display: inline-block;
  background: var(--amber);
  color: #fff !important;
  font-family: 'Space Mono', monospace;
  font-size: .68rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: 12px 24px;
  border-radius: var(--radius);
  text-decoration: none !important;
  transition: background .15s, transform .1s;
}
.hero-cta:hover { background: var(--amber-lt); transform: translateY(-1px); }
.home-hero-image img {
  width: 100%;
  border-radius: 8px;
  box-shadow: 0 12px 48px rgba(0,0,0,.3);
  display: block;
}
.home-hero-meta {
  display: flex;
  gap: 32px;
  margin-top: 36px;
  flex-wrap: wrap;
}
.home-hero-meta .meta-item {
  font-family: 'Space Mono', monospace;
  font-size: .62rem;
  letter-spacing: .06em;
  color: rgba(255,255,255,.45);
  text-transform: uppercase;
}

/* ── LAYOUT ── */
.site-body {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 40px 24px 64px;
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 48px;
  align-items: start;
}
.site-body.full-width {
  grid-template-columns: 1fr;
}

/* ── MAIN CONTENT ── */
.entry-content {
  background: var(--bg-card);
  border-radius: 8px;
  padding: 36px 40px;
  box-shadow: var(--shadow);
  border: 1px solid var(--rule);
}
.entry-content h2 {
  font-family: 'DM Serif Display', serif;
  font-size: 1.45rem;
  color: var(--ink);
  margin-bottom: 16px;
  margin-top: 32px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--amber);
  display: inline-block;
}
.entry-content h2:first-child { margin-top: 0; }
.entry-content p { margin-bottom: 1.2em; color: var(--ink-mid); }
.entry-content p:last-child { margin-bottom: 0; }
.entry-content strong { color: var(--ink); }
.entry-content em strong, .entry-content strong em {
  color: var(--amber);
  font-style: normal;
}
.entry-content a { color: var(--amber); }
.entry-content img {
  max-width: 100%;
  border-radius: 6px;
  display: block;
  margin: 0 auto 16px;
}
.entry-content iframe {
  display: block;
  margin: 20px auto;
  max-width: 100%;
}
.entry-content ol {
  margin: 1em 0 1em 1.5em;
  color: var(--ink-mid);
}
.entry-content ol li { margin-bottom: .4em; }

/* ── SIDEBAR ── */
.sidebar { display: flex; flex-direction: column; gap: 20px; }
.sidebar-card {
  background: var(--bg-card);
  border-radius: 8px;
  border: 1px solid var(--rule);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.sidebar-card-head {
  background: var(--indigo);
  padding: 10px 18px;
  font-family: 'Space Mono', monospace;
  font-size: .62rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: rgba(255,255,255,.8);
}
.sidebar-card-body { padding: 16px 18px; }
.sidebar-card-body ul { list-style: none; }
.sidebar-card-body ul li {
  border-bottom: 1px solid var(--rule);
  padding: 6px 0;
}
.sidebar-card-body ul li:last-child { border-bottom: none; }
.sidebar-card-body ul li a {
  font-size: .82rem;
  color: var(--ink-mid);
  display: flex;
  align-items: center;
  gap: 8px;
  transition: color .12s, padding-left .12s;
}
.sidebar-card-body ul li a::before {
  content: '›';
  color: var(--amber);
  font-size: 1rem;
  line-height: 1;
}
.sidebar-card-body ul li a:hover {
  color: var(--amber);
  padding-left: 4px;
  text-decoration: none;
}
.sidebar-card-body ul li a.current {
  color: var(--amber);
  font-weight: 700;
}
.contact-box { font-size: .83rem; color: var(--ink-mid); line-height: 1.7; }
.contact-box p { margin: 0; }

/* ── LINKS INDEX ── */
.links-intro { margin-bottom: 28px; color: var(--ink-mid); }
.links-intro ol { margin: 1em 0 1em 1.5em; }
.links-intro dl { margin: 16px 0; }
.links-intro dt { font-weight: 700; color: var(--ink); margin-top: 8px; font-family: 'Space Mono', monospace; font-size: .75rem; }
.links-intro dd { margin-left: 1em; color: var(--ink-mid); }
.links-intro hr { border: none; border-top: 1px solid var(--rule); margin: 16px 0; }
.link-category-list { display: flex; flex-direction: column; gap: 8px; margin-top: 16px; }
.link-category-list a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--indigo);
  color: #fff !important;
  font-family: 'Space Mono', monospace;
  font-size: .68rem;
  letter-spacing: .05em;
  text-transform: uppercase;
  padding: 10px 18px;
  border-radius: var(--radius);
  text-decoration: none !important;
  transition: background .15s;
  width: fit-content;
}
.link-category-list a:hover { background: var(--indigo-lt); }

/* ── LINK DIRECTORY PAGES ── */
.link-list { display: flex; flex-direction: column; gap: 0; }
.link-list dl { display: flex; flex-direction: column; gap: 0; }
.link-list dt {
  padding: 14px 0 2px;
  border-top: 1px solid var(--rule);
  font-size: .92rem;
  font-weight: 700;
}
.link-list dt:first-child { border-top: none; }
.link-list dd {
  padding: 0 0 10px;
  color: var(--ink-soft);
  font-size: .82rem;
  line-height: 1.6;
}

/* ── HOME CARDS GRID ── */
.section-label {
  font-family: 'Space Mono', monospace;
  font-size: .62rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.section-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--rule);
}
.cards-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 32px;
}
.card {
  background: var(--bg-card);
  border: 1px solid var(--rule);
  border-radius: 8px;
  padding: 20px 22px;
  box-shadow: var(--shadow);
  transition: transform .15s, box-shadow .15s;
  text-decoration: none !important;
  display: block;
  color: inherit !important;
}
.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(26,24,37,.12);
  text-decoration: none;
}
.card-icon {
  width: 36px; height: 36px;
  background: var(--bg-warm);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 12px;
  font-size: 1.1rem;
}
.card h3 {
  font-size: .88rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 6px;
  line-height: 1.3;
}
.card p {
  font-size: .78rem;
  color: var(--ink-soft);
  line-height: 1.6;
}

/* ── FOOTER ── */
#site-footer {
  background: var(--indigo);
  color: rgba(255,255,255,.55);
  padding: 32px 24px;
  text-align: center;
  border-top: 3px solid var(--amber);
}
.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.footer-logo-img { opacity: .65; transition: opacity .15s; }
.footer-logo-img:hover { opacity: 1; }
.footer-copy {
  font-family: 'Space Mono', monospace;
  font-size: .62rem;
  letter-spacing: .06em;
}
.footer-copy a { color: rgba(255,255,255,.6); }
.footer-copy a:hover { color: rgba(255,255,255,.9); }
.footer-nav {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  justify-content: center;
}
.footer-nav a {
  font-family: 'Space Mono', monospace;
  font-size: .6rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: rgba(255,255,255,.45);
  text-decoration: none;
  transition: color .12s;
}
.footer-nav a:hover { color: rgba(255,255,255,.85); text-decoration: none; }

/* ── RESPONSIVE ── */
@media (max-width: 800px) {
  .home-hero-inner { grid-template-columns: 1fr; }
  .home-hero-image { display: none; }
  .site-body { grid-template-columns: 1fr; }
  .sidebar { order: -1; }
  .sidebar-card:not(:first-child) { display: none; }
  nav#primary-nav { display: none; }
  nav#primary-nav.open { display: block; position: absolute; top: var(--header-h); left: 0; right: 0; background: var(--indigo); padding: 12px 24px 20px; box-shadow: 0 8px 24px rgba(0,0,0,.2); }
  nav#primary-nav.open ul { flex-direction: column; }
  nav#primary-nav.open ul li a { padding: 8px 0; border-radius: 0; border-bottom: 1px solid rgba(255,255,255,.08); }
  .nav-toggle { display: block; margin-left: auto; }
  .cards-grid { grid-template-columns: 1fr; }
  .entry-content { padding: 24px 20px; }
}