/*
 * 정적 페이지(소개·개인정보처리방침·이용약관·404, rules-v3 §42.1) 공용 스타일.
 * 게임의 종이 색과 명조 제목을 따르고, 본문은 Pretendard. 어두운 화면 대응.
 */
@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/variable/pretendardvariable-dynamic-subset.min.css');
@import url('https://fonts.googleapis.com/css2?family=Nanum+Myeongjo:wght@700;800&display=swap');

:root {
  --paper: #ebe9e3;
  --paper-2: #e2dfd6;
  --card: #f4f2ec;
  --ink: #1b1a18;
  --ink-2: #34312c;
  --soft: #6a655b;
  --hair: #c9c3b6;
  --accent: #b0172a;
  --serif: 'Nanum Myeongjo', 'AppleMyungjo', 'Batang', serif;
  --sans:
    'Pretendard Variable', Pretendard, -apple-system, BlinkMacSystemFont, 'Apple SD Gothic Neo',
    'Malgun Gothic', sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #191816;
    --paper-2: #211f1c;
    --card: #23211e;
    --ink: #ece8df;
    --ink-2: #d6d1c6;
    --soft: #a9a296;
    --hair: #45413a;
    --accent: #ff8a8a;
    color-scheme: dark;
  }
}

* {
  box-sizing: border-box;
}
html {
  -webkit-text-size-adjust: 100%;
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink-2);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.75;
  letter-spacing: -0.01em;
  word-break: keep-all;
  overflow-wrap: anywhere;
}

/* 머리: 게임의 마스트헤드를 줄인 모양 */
.mast {
  border-bottom: 1px solid var(--hair);
  background: var(--paper);
  position: sticky;
  top: 0;
  z-index: 2;
}
.mast-in {
  max-width: 720px;
  margin: 0 auto;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--ink);
  text-decoration: none;
  font-family: var(--serif);
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: 0.02em;
}
.brand img {
  width: 28px;
  height: 28px;
}
.play {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--ink);
  color: var(--paper);
  font-weight: 700;
  font-size: 0.875rem;
  text-decoration: none;
  white-space: nowrap;
}
.play:hover {
  opacity: 0.88;
}

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 40px 16px 64px;
}
.kicker {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}
h1 {
  margin: 0 0 12px;
  color: var(--ink);
  font-family: var(--serif);
  font-weight: 800;
  font-size: clamp(1.75rem, 6vw, 2.5rem);
  line-height: 1.3;
  letter-spacing: -0.01em;
}
.lead {
  margin: 0 0 32px;
  font-size: 1.0625rem;
  color: var(--ink-2);
}
.meta {
  margin: -20px 0 32px;
  color: var(--soft);
  font-size: 0.875rem;
}
h2 {
  margin: 40px 0 12px;
  color: var(--ink);
  font-size: 1.125rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  display: flex;
  align-items: baseline;
  gap: 10px;
}
h2 .no {
  font-family: var(--serif);
  color: var(--accent);
  font-size: 1rem;
}
p {
  margin: 0 0 12px;
}
ul {
  margin: 0 0 12px;
  padding-left: 1.2em;
}
li {
  margin: 4px 0;
}
a {
  color: var(--ink);
  text-decoration-color: var(--hair);
  text-underline-offset: 3px;
}
a:hover {
  text-decoration-color: var(--ink);
}
a:focus-visible,
.play:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* 카드 묶음(소개 페이지의 특징) */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
  margin: 8px 0 8px;
}
.card {
  background: var(--card);
  border: 1px solid var(--hair);
  border-radius: 14px;
  padding: 16px 18px;
}
.card b {
  display: block;
  margin-bottom: 4px;
  color: var(--ink);
  font-size: 1rem;
}
.card p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--soft);
}
.note {
  background: var(--paper-2);
  border-left: 3px solid var(--ink);
  border-radius: 0 10px 10px 0;
  padding: 14px 16px;
  margin: 16px 0;
}
.cta {
  margin: 40px 0 0;
  padding: 24px;
  border-radius: 16px;
  background: var(--ink);
  color: var(--paper);
  text-align: center;
}
.cta p {
  margin: 0 0 14px;
  font-family: var(--serif);
  font-weight: 800;
  font-size: 1.25rem;
}
.cta a {
  display: inline-block;
  padding: 10px 22px;
  border-radius: 999px;
  background: var(--paper);
  color: var(--ink);
  font-weight: 800;
  text-decoration: none;
}

footer {
  border-top: 1px solid var(--hair);
  color: var(--soft);
  font-size: 0.8125rem;
}
.foot-in {
  max-width: 720px;
  margin: 0 auto;
  padding: 20px 16px 32px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  justify-content: space-between;
}
footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 14px;
}
footer a {
  color: var(--soft);
}