:root {
  --color-bg: #ffffff;
  --color-raise: #f4f5f1;
  --color-text: #16180f;
  --color-muted: #585c4c;
  --color-accent: #4f6118;
  --color-accent-deep: #3a4711;
  --color-border: #e0e2d8;
  --font-head: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --font-body: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, serif;
  --font-mark: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --container: 800px;
  --radius: 0px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1.75;
}

img { max-width: 100%; height: auto; }

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

a:focus-visible, button:focus-visible, summary:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

h1, h2, h3 { font-family: var(--font-head); font-weight: 700; letter-spacing: -0.02em; line-height: 1.2; margin: 0 0 16px; }

h1 { font-size: clamp(1.85rem, 5.2vw, 2.6rem); }
h2 { font-size: clamp(1.3rem, 3.4vw, 1.65rem); }
h3 { font-size: 1.12rem; }

p { margin: 0 0 18px; }

.nv-wrap { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 20px; }

.nv-skip { position: absolute; left: -9999px; background: var(--color-accent); color: #fff; padding: 10px 16px; z-index: 20; }

.nv-skip:focus { left: 0; }

.nv-head { padding: 18px 0 10px; }

.nv-head__bar { display: flex; align-items: center; justify-content: space-between; gap: 12px; }

.nv-head__logo { font-family: var(--font-head); font-weight: 700; font-size: 1.2rem; letter-spacing: -0.02em; color: var(--color-text); text-decoration: none; }

.nv-head__logo span { display: block; font-family: var(--font-mark); font-size: 0.6rem; font-weight: 400; letter-spacing: 0.15em; text-transform: uppercase; color: var(--color-muted); }

.nv-btn {
  display: inline-block;
  font-family: var(--font-head);
  font-size: 0.86rem;
  background: #fff;
  color: var(--color-text);
  text-decoration: none;
  border: 2px solid var(--color-text);
  box-shadow: 4px 4px 0 var(--color-accent);
  min-height: 44px;
  padding: 14px 24px;
  cursor: pointer;
  transition: transform 140ms ease, box-shadow 140ms ease;
}

.nv-btn:hover { transform: translate(2px, 2px); box-shadow: 2px 2px 0 var(--color-accent); }

.nv-btn--fill { background: var(--color-accent); color: #fff; border-color: var(--color-accent-deep); box-shadow: 4px 4px 0 var(--color-text); }

.nv-btn--fill:hover { box-shadow: 2px 2px 0 var(--color-text); }

.nv-btn--sm { font-size: 0.76rem; padding: 12px 16px; }

.nv-menu { display: none; padding: 14px 0 2px; }

.nv-menu[data-open="1"] { display: block; }

.nv-menu ul { list-style: none; margin: 0; padding: 0; font-family: var(--font-head); font-size: 0.98rem; }

.nv-menu li { border-top: 1px solid var(--color-border); }

.nv-menu a { display: block; padding: 13px 0; min-height: 44px; color: var(--color-text); text-decoration: none; }

.nv-menu a:hover { color: var(--color-accent); text-decoration: underline; }

.nv-hero { padding: 32px 0 24px; }

.nv-hero h1 { max-width: 19ch; }

.nv-hero__answer { font-size: 1.14rem; max-width: 60ch; }

.nv-index { font-family: var(--font-mark); font-size: 0.78rem; list-style: none; margin: 26px 0 0; padding: 0; }

.nv-index li { padding: 5px 0; }

.nv-index a { color: var(--color-text); text-decoration: none; }

.nv-index a:hover { color: var(--color-accent); text-decoration: underline; }

.nv-index b { color: var(--color-accent); font-weight: 400; padding-right: 12px; }

.nv-sec { padding: 26px 0; }

.nv-sec__num { font-family: var(--font-mark); font-size: 0.74rem; letter-spacing: 0.1em; color: var(--color-muted); margin: 0 0 8px; }

.nv-body { max-width: 66ch; }

.nv-body ul, .nv-body ol { padding-left: 24px; margin: 0 0 20px; }

.nv-body li { margin-bottom: 10px; }

.nv-game { padding: 24px 0 8px; }

.nv-game__top { display: grid; grid-template-columns: 64px 1fr; gap: 16px; align-items: center; margin-bottom: 14px; }

.nv-game__top > * { min-width: 0; }

.nv-game h3 { margin: 0 0 2px; }

.nv-game__meta { font-family: var(--font-mark); font-size: 0.68rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--color-muted); margin: 0; }

.nv-game__fine { font-family: var(--font-head); font-size: 0.86rem; color: var(--color-muted); }

.nv-table__scroll { overflow-x: auto; margin: 18px 0 8px; }

table { width: 100%; min-width: 600px; border-collapse: collapse; font-family: var(--font-head); font-size: 0.92rem; border: 1px solid var(--color-border); }

caption { font-family: var(--font-head); font-size: 0.96rem; text-align: left; padding-bottom: 10px; color: var(--color-muted); }

th, td { padding: 10px 14px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--color-border); }

thead th { font-family: var(--font-mark); font-size: 0.66rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-muted); }

tbody th { font-weight: 700; }

td.nv-num { text-align: right; font-variant-numeric: tabular-nums; }

.nv-source { font-family: var(--font-head); font-style: italic; font-size: 0.85rem; color: var(--color-muted); margin: 4px 0 0; }

.nv-note { font-family: var(--font-head); font-size: 0.96rem; background: var(--color-raise); padding: 18px 20px; margin: 24px 0; }

.nv-note p:last-child { margin-bottom: 0; }

.nv-links { list-style: none; margin: 0; padding: 0; }

.nv-links li { padding: 16px 0; border-bottom: 1px solid var(--color-border); }

.nv-links a { font-family: var(--font-head); font-weight: 700; font-size: 1.06rem; color: var(--color-text); text-decoration: none; }

.nv-links a:hover { color: var(--color-accent); text-decoration: underline; }

.nv-links p { margin: 6px 0 0; font-size: 0.95rem; color: var(--color-muted); }

details { padding: 12px 0; border-bottom: 1px solid var(--color-border); }

summary { cursor: pointer; font-family: var(--font-head); font-weight: 700; font-size: 1.02rem; min-height: 32px; padding: 6px 0; }

details p { margin: 10px 0 0; }

.nv-mail { padding: 22px 0 8px; }

.nv-mail__addr { font-family: var(--font-head); font-weight: 700; font-size: clamp(1.2rem, 4vw, 1.6rem); word-break: break-word; margin: 8px 0 14px; }

.nv-crumb { font-family: var(--font-mark); font-size: 0.7rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-muted); padding-top: 14px; margin-bottom: 10px; }

.nv-crumb a { color: var(--color-muted); }

.nv-meta { font-family: var(--font-mark); font-size: 0.72rem; letter-spacing: 0.05em; color: var(--color-muted); margin: 0 0 26px; }

.nv-art { padding-bottom: 22px; }

.nv-art h2 { margin-top: 32px; }

.nv-store { margin: 30px 0 0; padding: 20px 0 0; border-top: 1px solid var(--color-border); }

.nv-store__fine { font-family: var(--font-head); font-size: 0.86rem; color: var(--color-muted); }

.nv-foot { margin-top: 36px; padding: 26px 0 42px; border-top: 1px solid var(--color-border); font-family: var(--font-head); font-size: 0.9rem; }

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

.nv-foot__links { list-style: none; display: flex; flex-wrap: wrap; gap: 2px 18px; padding: 0; margin: 18px 0 14px; }

.nv-foot__links a { color: var(--color-text); display: inline-block; padding: 10px 0; min-height: 44px; line-height: 24px; }

.nv-foot__copy { color: var(--color-muted); margin: 0; }

.nv-cookie { position: fixed; left: 0; right: 0; bottom: 0; background: #fff; border-top: 2px solid var(--color-text); padding: 16px 0; z-index: 30; display: none; }

.nv-cookie[data-open="1"] { display: block; }

.nv-cookie__in { display: flex; flex-wrap: wrap; gap: 14px 20px; align-items: center; justify-content: space-between; }

.nv-cookie p { font-family: var(--font-head); font-size: 0.9rem; margin: 0; max-width: 58ch; }

.nv-cookie__btns { display: flex; gap: 12px; flex-wrap: wrap; }

@media (min-width: 700px) {
  body { font-size: 19px; }
  .nv-sec { padding: 34px 0; }
  .nv-game__top { grid-template-columns: 80px 1fr; }
}

.nv-wrap.nv-body { max-width: var(--container); }