:root {
  --ink: #14212b;
  --muted: #5a6a76;
  --line: #d7dde3;
  --paper: #f4f6f8;
  --card: #ffffff;
  --brand: #1b4f72;
  --brand-dark: #0e2f46;
  --accent: #c45c26;
  --ok: #1f7a4c;
  --warn: #9a6b00;
  --bad: #a33b2b;
  --shadow: 0 10px 30px rgba(20, 33, 43, 0.08);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(1200px 500px at 10% -10%, rgba(27, 79, 114, 0.12), transparent 60%),
    radial-gradient(900px 400px at 100% 0%, rgba(196, 92, 38, 0.08), transparent 50%),
    var(--paper);
  line-height: 1.55;
}

a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 20px 60px; }

.topbar {
  position: sticky; top: 0; z-index: 20;
  backdrop-filter: blur(10px);
  background: rgba(244, 246, 248, 0.92);
  border-bottom: 1px solid var(--line);
}
.topbar-inner {
  max-width: 1120px; margin: 0 auto; padding: 12px 20px;
  display: flex; gap: 18px; align-items: center; justify-content: space-between;
  flex-wrap: wrap;
}
.brand {
  font-family: "IBM Plex Serif", Georgia, serif;
  font-weight: 600; font-size: 1.05rem; color: var(--brand-dark);
  letter-spacing: 0.01em;
}
.brand span { color: var(--accent); }
.nav { display: flex; gap: 14px; flex-wrap: wrap; font-size: 0.92rem; }
.nav a { color: var(--muted); font-weight: 500; }
.nav a.active, .nav a:hover { color: var(--brand-dark); text-decoration: none; }

.hero {
  padding: 48px 0 28px;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 28px;
  align-items: end;
}
@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; }
}
.hero h1 {
  font-family: "IBM Plex Serif", Georgia, serif;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  line-height: 1.15;
  margin: 0 0 12px;
  color: var(--brand-dark);
}
.hero p.lead { margin: 0; color: var(--muted); font-size: 1.05rem; max-width: 46ch; }
.badge-row { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 18px; }
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 10px; border-radius: 999px;
  font-size: 0.78rem; font-weight: 600; letter-spacing: 0.02em;
  border: 1px solid var(--line); background: #fff;
}
.badge.ok { color: var(--ok); border-color: #b9dfc9; background: #eef8f2; }
.badge.warn { color: var(--warn); border-color: #ead9a0; background: #fff8e8; }

.stat-card {
  background: linear-gradient(160deg, var(--brand-dark), var(--brand));
  color: #fff; border-radius: 16px; padding: 22px;
  box-shadow: var(--shadow);
}
.stat-card h3 { margin: 0 0 14px; font-size: 0.95rem; opacity: 0.85; font-weight: 500; }
.stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.stat .k { font-size: 0.72rem; opacity: 0.75; text-transform: uppercase; letter-spacing: 0.06em; }
.stat .v { font-size: 1.05rem; font-weight: 600; word-break: break-all; }

section.block {
  margin-top: 28px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 24px;
  box-shadow: var(--shadow);
}
section.block h2 {
  font-family: "IBM Plex Serif", Georgia, serif;
  margin: 0 0 8px;
  font-size: 1.45rem;
  color: var(--brand-dark);
}
section.block .sub { margin: 0 0 18px; color: var(--muted); }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
@media (max-width: 860px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
}

.card {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px;
  background: #fbfcfd;
}
.card h3 { margin: 0 0 8px; font-size: 1rem; }
.card p { margin: 0; color: var(--muted); font-size: 0.92rem; }
.card .meta { margin-top: 10px; font-size: 0.82rem; color: var(--ink); }

table {
  width: 100%; border-collapse: collapse; font-size: 0.92rem;
}
th, td {
  border-bottom: 1px solid var(--line);
  padding: 10px 8px; text-align: left; vertical-align: top;
}
th { color: var(--muted); font-weight: 600; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.04em; }
code, .mono {
  font-family: "IBM Plex Mono", Consolas, monospace;
  font-size: 0.86em;
  background: #eef2f5;
  padding: 1px 5px;
  border-radius: 4px;
}
.mono.long { word-break: break-all; display: inline-block; max-width: 100%; }

.pdf-list { display: grid; gap: 10px; }
.pdf-item {
  display: flex; justify-content: space-between; gap: 12px; align-items: center;
  padding: 12px 14px; border: 1px solid var(--line); border-radius: 10px; background: #fff;
}
.pdf-item strong { display: block; }
.pdf-item span { color: var(--muted); font-size: 0.85rem; }
.btn {
  display: inline-block;
  background: var(--brand);
  color: #fff !important;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none !important;
  white-space: nowrap;
}
.btn.secondary { background: #fff; color: var(--brand-dark) !important; border: 1px solid var(--line); }
.btn:hover { filter: brightness(1.05); }

.shot-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 14px;
}
.shot {
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  background: #fff;
}
.shot img { width: 100%; display: block; background: #ddd; min-height: 120px; object-fit: cover; }
.shot figcaption { padding: 10px 12px; font-size: 0.82rem; color: var(--muted); }

.callout {
  border-left: 4px solid var(--brand);
  background: #eef4f8;
  padding: 12px 14px;
  border-radius: 0 10px 10px 0;
  margin: 14px 0;
}
.callout.ok { border-left-color: var(--ok); background: #eef8f2; }
.callout.warn { border-left-color: var(--warn); background: #fff8e8; }

.footer {
  margin-top: 36px; padding-top: 18px; border-top: 1px solid var(--line);
  color: var(--muted); font-size: 0.85rem;
}
.tag-same { color: var(--ok); font-weight: 700; }
.tag-diff { color: var(--accent); font-weight: 700; }
.small { font-size: 0.85rem; color: var(--muted); }

.iframe-box {
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  background: #fff;
  margin-top: 10px;
}
.iframe-box iframe { width: 100%; height: 520px; border: 0; }
.toc ol { margin: 0; padding-left: 18px; }
.toc li { margin: 6px 0; }