/* Minai の配布ページ。iPhone アプリと同じ夜の紺（ios/SharedUI/Theme.swift）で、明暗は切り替えない */
:root {
  --bg: #0a0e1a;
  --glow: #24335a;
  --text: #e4e8f2;
  --sub: #9aa6c0;
  --heading: #b9c6e4;
  --accent: #b8d4f0;
  --on-accent: #0f1626;
  --pending: #e8c48a;
  --line: rgba(228, 232, 242, .12);
  --card: rgba(228, 232, 242, .045);
  --sans: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", system-ui, sans-serif;
  --display: "Hiragino Mincho ProN", "Yu Mincho", "Noto Serif JP", serif;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { background: var(--bg); }
body {
  margin: 0;
  background: radial-gradient(120% 640px at 50% 0, var(--glow) 0%, var(--bg) 70%) no-repeat, var(--bg);
  color: var(--text);
  font: 16px/1.8 var(--sans);
  padding-left: max(20px, env(safe-area-inset-left, 0px));
  padding-right: max(20px, env(safe-area-inset-right, 0px));
}
a { color: var(--accent); text-underline-offset: 3px; }
a:focus-visible, .btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
img { max-width: 100%; }

.page { max-width: 960px; margin: 0 auto; }

/* 上の帯と足もと（全ページ共通） */
.nav { display: flex; justify-content: space-between; align-items: center; gap: 12px 20px; flex-wrap: wrap; padding-block: 20px; font-size: 14px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-weight: 700; font-size: 17px; letter-spacing: .02em; }
.brand img { width: 30px; height: 30px; }
.nav ul { display: flex; gap: 6px 18px; flex-wrap: wrap; list-style: none; margin: 0; padding: 0; }
.nav ul a { color: var(--sub); text-decoration: none; }
.nav ul a:hover, .nav ul a[aria-current] { color: var(--text); }
.foot { display: flex; gap: 8px 22px; flex-wrap: wrap; border-top: 1px solid var(--line); margin-top: 72px; padding-block: 20px 40px; font-size: 13px; color: var(--sub); }
.foot a { color: var(--sub); }

/* トップ */
.hero { display: grid; justify-items: center; gap: 22px; text-align: center; padding-block: 56px 72px; }
.hero > img { width: 120px; height: 120px; }
.hero h1 { font-family: var(--display); font-weight: 700; font-size: clamp(30px, 6vw, 50px); line-height: 1.4; letter-spacing: .04em; margin: 0; text-wrap: balance; }
.hero p { margin: 0; color: var(--sub); max-width: 34em; }
.cta { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; margin-top: 6px; }
.btn { display: inline-flex; align-items: center; min-height: 44px; padding: 8px 22px; border-radius: 999px; font-size: 15px; font-weight: 700; text-decoration: none; background: var(--accent); color: var(--on-accent); border: 1px solid var(--accent); }
.btn.ghost { background: transparent; color: var(--accent); }
.btn[aria-disabled="true"] { background: transparent; color: var(--pending); border-color: rgba(232, 196, 138, .45); cursor: default; }

.section-title { font-family: var(--display); font-size: 22px; font-weight: 700; color: var(--heading); margin: 0 0 24px; letter-spacing: .04em; }
.points { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 32px; margin: 0; padding: 0; list-style: none; }
.points li { min-width: 0; }
.points h3 { margin: 0 0 6px; font-size: 17px; color: var(--accent); }
.points p { margin: 0; color: var(--sub); font-size: 15px; }

.get { margin-top: 80px; }
.platforms { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.platform { min-width: 0; display: grid; gap: 4px; align-content: start; border-top: 1px solid var(--line); padding-top: 16px; }
.platform h3 { margin: 0; font-size: 17px; }
.platform p { margin: 0; color: var(--sub); font-size: 14px; }
.platform .soon { color: var(--pending); }

/* md のページ（使い方・プライバシーポリシー） */
.doc { max-width: 44em; padding-block: 24px 0; overflow-wrap: anywhere; }
.doc h1 { font-family: var(--display); font-size: clamp(26px, 5vw, 36px); line-height: 1.4; margin: 16px 0 24px; text-wrap: balance; }
.doc h2 { font-family: var(--display); font-size: 22px; color: var(--heading); margin: 56px 0 12px; padding-top: 16px; border-top: 1px solid var(--line); }
.doc h3 { font-size: 18px; margin: 40px 0 8px; }
.doc h4 { font-size: 16px; margin: 28px 0 6px; color: var(--heading); }
.doc li { margin-block: 4px; }
.doc code { font-size: .88em; background: var(--card); border-radius: 4px; padding: 1px 5px; overflow-wrap: anywhere; }
.doc .table-wrap, .doc table { display: block; overflow-x: auto; }
.doc table { border-collapse: collapse; font-size: 14px; margin-block: 16px; }
.doc th, .doc td { border-bottom: 1px solid var(--line); padding: 8px 12px 8px 0; text-align: left; vertical-align: top; min-width: 8em; }
.doc th { color: var(--heading); }