/* Neo Vitae 日本語攻略 — 自作スタイル。ゲーム画像・公式素材は未使用 */
:root {
  --bg: #12080b;
  --bg-2: #1a0d11;
  --paper: #231116;
  --ink: #f6ece7;
  --muted: #c9b1aa;
  --faint: #8d6f6a;
  --line: rgba(232, 196, 138, 0.28);
  --gold: #e8c48a;
  --gold-2: #f3ddb6;
  --blood: #c45c5c;
  --blood-2: #8d2a32;
  --ok: #c9d7b8;
  --warn-bg: #3a2214;
  --warn-ink: #f0d2a8;
  --note-bg: #1c2430;
  --note-ink: #d5e0ee;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
  --radius: 18px;
  --max: 72rem;
  --sans: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic", "YuGothic", sans-serif;
  --serif: "Iowan Old Style", "Hiragino Mincho ProN", "Yu Mincho", "YuMincho", "Noto Serif JP", serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    radial-gradient(1200px 500px at 10% -10%, rgba(196, 92, 92, 0.16), transparent 55%),
    radial-gradient(900px 400px at 100% 0%, rgba(232, 196, 138, 0.08), transparent 50%),
    var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.05rem;
  line-height: 1.75;
}
a { color: var(--gold-2); text-decoration-thickness: 1px; text-underline-offset: 0.18em; }
a:hover { color: #fff6e8; }
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}
.skip {
  position: absolute; left: 1rem; top: -4rem; background: var(--paper); color: var(--ink);
  padding: 0.5rem 0.9rem; z-index: 20;
}
.skip:focus { top: 0.6rem; }
.wrap { width: min(var(--max), calc(100% - 2rem)); margin-inline: auto; }
header.site {
  border-bottom: 1px solid var(--line);
  background: rgba(18, 8, 11, 0.86);
  backdrop-filter: blur(10px);
  position: sticky; top: 0; z-index: 10;
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: 0.85rem 0;
  flex-wrap: wrap;
}
.brand {
  color: inherit; text-decoration: none; display: grid; gap: 0.05rem;
}
.brand strong {
  font-family: var(--serif);
  font-size: 1.15rem;
  letter-spacing: 0.04em;
  font-weight: 600;
}
.brand span { color: var(--faint); font-size: 0.78rem; letter-spacing: 0.08em; }
nav ul {
  list-style: none; margin: 0; padding: 0;
  display: flex; flex-wrap: wrap; gap: 0.15rem 1rem;
  font-size: 0.92rem;
}
nav a { color: var(--muted); text-decoration: none; }
nav a:hover, nav a[aria-current="page"] { color: var(--gold); }
.hero {
  padding: 3.2rem 0 2.2rem;
  border-bottom: 1px solid var(--line);
}
.kicker {
  color: var(--gold);
  letter-spacing: 0.16em;
  font-size: 0.78rem;
  text-transform: uppercase;
  margin: 0 0 0.7rem;
}
h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: 0.02em;
}
h1 { font-size: clamp(1.8rem, 4vw, 2.7rem); margin: 0 0 0.8rem; }
h2 {
  font-size: 1.55rem;
  margin: 2.6rem 0 0.8rem;
  padding-top: 0.4rem;
  border-top: 1px solid var(--line);
}
h3 { font-size: 1.18rem; margin: 1.8rem 0 0.5rem; color: var(--gold-2); }
p { margin: 0.75rem 0; }
.lead { font-size: 1.12rem; color: var(--muted); max-width: 42rem; }
.meta {
  display: flex; flex-wrap: wrap; gap: 0.45rem 1rem;
  color: var(--faint); font-size: 0.88rem; margin-top: 1.2rem;
}
main { padding: 1.5rem 0 3.5rem; }
.grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(15.5rem, 1fr));
  margin: 1.4rem 0 0.4rem;
}
.card, .callout, .table-wrap, figure.panel {
  background: linear-gradient(180deg, rgba(255,255,255,0.03), transparent 40%), var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.card { padding: 1.15rem 1.2rem 1.25rem; display: grid; gap: 0.35rem; text-decoration: none; color: inherit; }
.card h2, .card h3 { margin: 0; border: 0; padding: 0; font-size: 1.15rem; color: var(--gold-2); }
.card p { margin: 0; color: var(--muted); font-size: 0.95rem; }
.card:hover { border-color: rgba(232, 196, 138, 0.55); }
.callout { padding: 1rem 1.15rem; margin: 1.1rem 0; }
.callout.warn { background: var(--warn-bg); color: var(--warn-ink); border-color: rgba(240, 210, 168, 0.28); }
.callout.note { background: var(--note-bg); color: var(--note-ink); border-color: rgba(213, 224, 238, 0.22); }
.callout strong { display: block; margin-bottom: 0.2rem; }
ul, ol { padding-left: 1.25rem; }
li { margin: 0.28rem 0; }
.table-wrap { overflow-x: auto; margin: 1rem 0 1.4rem; }
table {
  width: 100%; border-collapse: collapse; font-size: 0.95rem;
  min-width: 36rem;
}
th, td {
  text-align: left; vertical-align: top;
  padding: 0.7rem 0.85rem;
  border-bottom: 1px solid rgba(232, 196, 138, 0.16);
}
th {
  color: var(--gold);
  font-weight: 600;
  background: rgba(0,0,0,0.18);
  white-space: nowrap;
}
caption {
  text-align: left; caption-side: bottom;
  color: var(--faint); font-size: 0.82rem; padding: 0.7rem 0.85rem 0.9rem;
}
.tag {
  display: inline-block;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  border: 1px solid var(--line);
  color: var(--gold);
  border-radius: 999px;
  padding: 0.1rem 0.5rem;
  margin-right: 0.3rem;
}
.steps { counter-reset: step; list-style: none; padding: 0; }
.steps li {
  position: relative;
  padding: 0.85rem 1rem 0.85rem 3.4rem;
  margin: 0.7rem 0;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 14px;
}
.steps li::before {
  counter-increment: step;
  content: counter(step);
  position: absolute; left: 0.85rem; top: 0.9rem;
  width: 1.7rem; height: 1.7rem;
  border-radius: 50%;
  display: grid; place-items: center;
  background: var(--blood-2); color: #fff;
  font-family: var(--serif); font-size: 0.92rem;
}
footer.site {
  border-top: 1px solid var(--line);
  padding: 1.6rem 0 2.4rem;
  color: var(--faint);
  font-size: 0.88rem;
}
footer.site nav { margin-bottom: 0.8rem; }
.small { color: var(--faint); font-size: 0.88rem; }
hr.ornament {
  border: 0; height: 1px; background: var(--line); margin: 2rem 0;
}
code, .mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 0.92em; }
@media (max-width: 700px) {
  body { font-size: 1rem; }
  .hero { padding-top: 2rem; }
  table { min-width: 30rem; }
}