/* pages.css — 読み物のページ（privacy・about・howto）の見た目。色と字は index.html の変数と同じ値（tests/unit/pages.test.mjs で確かめる） */
:root {
  --bg: #eef2f1;
  --surface: #ffffff;
  --ink: #1b2a33;
  --muted: #5b6b73;
  --line: #d3dcdc;
  --accent: #1f5f8b;
  --accent-ink: #ffffff;
  --font-display: "Zen Maru Gothic", "Hiragino Maru Gothic ProN", "Noto Sans JP", sans-serif;
  --font-body: "Noto Sans JP", "Hiragino Sans", "Yu Gothic", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, Menlo, monospace;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0f171c; --surface: #18232a; --ink: #e5edf0; --muted: #93a4ac; --line: #2c3a42;
    --accent: #6fb3e0; --accent-ink: #0c1820;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0f171c; --surface: #18232a; --ink: #e5edf0; --muted: #93a4ac; --line: #2c3a42;
  --accent: #6fb3e0; --accent-ink: #0c1820;
  color-scheme: dark;
}
* { box-sizing: border-box; }
body {
  background: var(--bg); color: var(--ink); font-family: var(--font-body); font-size: 15px; line-height: 1.8; margin: 0;
  padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px));
  padding-block: 20px 40px; overflow-x: clip;
}
a { color: var(--accent); }
a:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }

/* 本文の箱。長い URL も折り返して横にはみ出さない */
.page { max-width: 720px; margin: 0 auto; overflow-wrap: anywhere; }
.back { display: inline-block; font: 700 .9rem var(--font-display); text-decoration: none; padding: 6px 0; }
.page h1 { font-family: var(--font-display); font-weight: 900; font-size: 1.6rem; line-height: 1.4; margin: 16px 0 20px; text-wrap: balance; }
.page h2 { font-family: var(--font-display); font-weight: 900; font-size: 1.2rem; line-height: 1.4; margin: 32px 0 10px; padding-top: 12px; border-top: 1px solid var(--line); }
.page h3 { font-family: var(--font-display); font-weight: 700; font-size: 1.02rem; margin: 22px 0 6px; }
.page p, .page ul, .page ol { margin: 0 0 12px; }
.page ul, .page ol { padding-left: 1.4em; }

/* 表は幅に収まらないときだけ横に動かす（ページ全体は横に動かない） */
table { display: block; overflow-x: auto; max-width: 100%; border-collapse: collapse; margin: 0 0 16px; font-size: .9rem; }
th, td { border: 1px solid var(--line); padding: 6px 10px; text-align: left; vertical-align: top; }
th { background: var(--surface); }

/* フッター（index.html と同じ見た目） */
footer { font-size: .75rem; color: var(--muted); text-align: center; max-width: 720px; margin: 40px auto 0; }
.foot-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 2px 14px; margin-top: 4px; }
.foot-links a { color: var(--muted); padding: 4px 2px; }

/* 言語の切りかえ（index.html の .langsw と同じ見た目）。<a class="back"> の行の右に置く */
.langsw { float: right; font-size: .78rem; line-height: 1.3; color: var(--muted); white-space: nowrap; padding: 10px 0 6px; }
.langsw b { color: var(--ink); }
.langsw a { display: inline-block; padding: 6px 2px; margin-block: -6px; color: var(--accent); font-weight: 700; text-decoration: none; }
.langsw a:hover { text-decoration: underline; }