/* Claudeのページ — shared stylesheet
   Layout: index = one centred column of software entries; docs = sticky contents rail + body.
   Palette: cool paper + MSX blue, amber for cautions. Display face is a pixel gothic, used only for names. */
:root {
  --bg: #f3f5fa;
  --panel: #ffffff;
  --fg: #19202e;
  --muted: #586276;
  --line: #d6dce8;
  --accent: #2a42b0;
  --accent-ink: #ffffff;
  --accent-soft: #e5eafb;
  --zebra: #f7f8fc;
  --code: #eceff6;
  --warn: #8a5300;
  --warn-bg: #fff3dc;
  --ok: #1f7a4d; --ok-bg: #e2f3e9;
  --todo: #a4400e; --todo-bg: #fdeadb;
  --est: #6a4bb0; --est-bg: #eee8fb;
  --std: #44617f; --std-bg: #e5ecf3;
  --star: #c47a00;
  --f-display: "DotGothic16", "BIZ UDPGothic", "Hiragino Sans", sans-serif;
  --f-body: "BIZ UDPGothic", "Hiragino Sans", "Yu Gothic", "Meiryo", sans-serif;
  --f-mono: "IBM Plex Mono", "BIZ UDGothic", Consolas, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #10141c; --panel: #171c27; --fg: #dde3ee; --muted: #97a1b4; --line: #2b3343;
    --accent: #93a9ff; --accent-ink: #0d1324; --accent-soft: #1e2840; --zebra: #1a202b; --code: #212937;
    --warn: #ffc56b; --warn-bg: #33270f;
    --ok: #6fd49d; --ok-bg: #16301f; --todo: #ffab76; --todo-bg: #3a2214;
    --est: #c3a8ff; --est-bg: #2a2140; --std: #9dbad8; --std-bg: #1e2a38; --star: #f2b53c;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #10141c; --panel: #171c27; --fg: #dde3ee; --muted: #97a1b4; --line: #2b3343;
  --accent: #93a9ff; --accent-ink: #0d1324; --accent-soft: #1e2840; --zebra: #1a202b; --code: #212937;
  --warn: #ffc56b; --warn-bg: #33270f;
  --ok: #6fd49d; --ok-bg: #16301f; --todo: #ffab76; --todo-bg: #3a2214;
  --est: #c3a8ff; --est-bg: #2a2140; --std: #9dbad8; --std-bg: #1e2a38; --star: #f2b53c;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-padding-top: 16px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--f-body);
  font-size: 15px;
  line-height: 1.8;
  padding-inline: 16px;
  padding-block: 0;
}
a { color: var(--accent); }
a:focus-visible, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 3px; }
code { font-family: var(--f-mono); font-size: .9em; background: var(--code); padding: 1px 5px; border-radius: 3px; white-space: pre-wrap; overflow-wrap: anywhere; }
pre { margin: 0; padding: 12px 14px; font-family: var(--f-mono); font-size: 13px; line-height: 1.6; white-space: pre; }
pre.plain { font-family: var(--f-mono); }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; scroll-behavior: auto !important; } }

/* ---------- index ---------- */
.site { max-width: 880px; margin: 0 auto; padding-block: 40px 72px; display: grid; gap: 40px; }
.masthead { display: grid; gap: 14px; border-bottom: 3px solid var(--accent); padding-bottom: 24px; }
.masthead-row { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 12px; }
.masthead h1 { font-family: var(--f-display); font-weight: 400; font-size: clamp(32px, 6vw, 48px); line-height: 1.15; margin: 0; letter-spacing: .02em; }
.masthead .sub { font-family: var(--f-mono); font-size: 12px; letter-spacing: .12em; text-transform: uppercase; color: var(--accent); }
.masthead p { margin: 0; max-width: 64ch; color: var(--muted); }
.masthead .note { max-width: 64ch; margin-top: 6px; padding: 14px 18px; background: var(--panel); border: 1px solid var(--line); border-left: 4px solid var(--accent); border-radius: 6px; }
.masthead .note h2 { font-size: 14px; margin: 0 0 8px; color: var(--accent); letter-spacing: .04em; }
.masthead .note blockquote { margin: 0; display: grid; gap: 8px; }
.masthead .note blockquote p { color: var(--fg); }
.masthead .note blockquote::after { content: "— John Doe"; display: block; text-align: right; color: var(--muted); font-size: 13px; }
.langs { display: inline-flex; border: 1px solid var(--line); border-radius: 999px; overflow: hidden; background: var(--panel); }
.langs button { font: inherit; font-size: 13px; border: 0; background: transparent; color: var(--muted); padding: 4px 14px; cursor: pointer; }
.langs button[aria-pressed="true"] { background: var(--accent); color: var(--accent-ink); }

html[data-lang="ja"] [lang="en"]:not(html) { display: none; }
html[data-lang="en"] [lang="ja"]:not(html) { display: none; }

.soft { display: grid; gap: 18px; }
.soft-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 14px; }
.soft-head h2 { font-family: var(--f-display); font-weight: 400; font-size: 28px; line-height: 1.25; margin: 0; }
.ver { font-family: var(--f-mono); font-size: 13px; color: var(--muted); }
.platform { font-size: 12px; font-weight: 700; color: var(--accent); background: var(--accent-soft); border-radius: 999px; padding: 1px 10px; }
.tagline { font-size: 17px; font-weight: 700; margin: 0; }
.soft p { margin: 0; max-width: 68ch; }
.facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px 28px; }
.facts > div { min-width: 0; }
.facts h3 { font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); margin: 0 0 4px; font-weight: 700; }
.facts ul { margin: 0; padding-left: 1.2em; }
.facts li + li { margin-top: 2px; }
.links { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.btn { display: inline-flex; align-items: baseline; gap: 8px; text-decoration: none; font-weight: 700; padding: 8px 16px; border-radius: 6px; border: 1px solid var(--accent); }
.btn.primary { background: var(--accent); color: var(--accent-ink); }
.btn.primary small { font-weight: 400; font-family: var(--f-mono); opacity: .85; }
.btn.ghost { color: var(--accent); background: var(--panel); }
.btn:hover { filter: brightness(1.08); }
.caution { background: var(--warn-bg); color: var(--fg); border-left: 4px solid var(--warn); padding: 10px 14px; border-radius: 0 6px 6px 0; font-size: 14px; max-width: 68ch; }
.caution strong { color: var(--warn); }
.shots { display: grid; min-width: 0; grid-template-columns: repeat(auto-fit, minmax(min(280px, 100%), 1fr)); gap: 16px 24px; max-width: 1000px; }
.shot { margin: 0; }
.shot img { display: block; width: 100%; height: auto; border-radius: 6px; border: 1px solid var(--line); image-rendering: pixelated; }
.shot.photo img { image-rendering: auto; }
.shot figcaption { margin-top: 6px; font-size: 13px; color: var(--muted); }
.memo { border: 1px dashed var(--line); background: var(--panel); border-radius: 6px; padding: 12px 16px; max-width: 72ch; display: grid; gap: 4px; }
.memo-label { font-family: var(--f-display); font-size: 14px; color: var(--accent); }
.memo p { margin: 0; }
.signoff { font-family: var(--f-display); color: var(--fg); font-size: 15px; margin-top: 8px !important; }
.divider { height: 1px; background: var(--line); border: 0; margin: 0; }
.colophon { color: var(--muted); font-size: 13px; display: grid; gap: 6px; }
.colophon p { margin: 0; max-width: 72ch; }

/* ---------- documents ---------- */
.topbar { max-width: 1240px; margin: 0 auto; padding-block: 14px 0; display: flex; justify-content: space-between; gap: 12px; font-size: 14px; }
.topbar a { text-decoration: none; }
.topbar .alt { font-weight: 700; }
.docwrap { max-width: 1240px; margin: 0 auto; display: grid; grid-template-columns: 230px minmax(0, 1fr); gap: 40px; padding-block: 18px 80px; }
.docwrap.single { grid-template-columns: minmax(0, 1fr); max-width: 900px; }
.dochead { grid-column: 1 / -1; border-bottom: 2px solid var(--accent); padding-bottom: 16px; display: grid; gap: 6px; }
.dochead .kicker { font-family: var(--f-mono); font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--accent); }
.dochead h1 { font-family: var(--f-display); font-weight: 400; font-size: clamp(22px, 4vw, 30px); line-height: 1.35; margin: 0; text-wrap: balance; }
.dochead .lead { margin: 0; color: var(--muted); max-width: 72ch; }
.legend { display: flex; flex-wrap: wrap; gap: 6px 14px; font-size: 13px; color: var(--muted); }
.toc { position: sticky; top: 16px; align-self: start; max-height: calc(100vh - 32px); overflow: auto; font-size: 13px; }
.toc ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 1px; }
.toc a { display: block; color: var(--muted); text-decoration: none; padding: 3px 8px; border-radius: 4px; line-height: 1.5; }
.toc a:hover { background: var(--accent-soft); color: var(--accent); }
.toc .t1 a { color: var(--fg); font-weight: 700; margin-top: 8px; }
.toc .t2 a { padding-left: 18px; }
.docbody { min-width: 0; }
.docbody h2 { font-size: 22px; margin: 44px 0 12px; padding-top: 10px; border-top: 1px solid var(--line); text-wrap: balance; }
.docbody > h2:first-child, .docbody > h3:first-child { margin-top: 0; border-top: 0; padding-top: 0; }
.docbody h3 { font-size: 18px; margin: 32px 0 10px; color: var(--accent); }
.docbody h4 { font-size: 16px; margin: 24px 0 8px; }
.docbody h5 { font-size: 15px; margin: 20px 0 6px; color: var(--muted); }
.docbody p, .docbody li { max-width: 74ch; }
.docbody ul, .docbody ol { padding-left: 1.4em; }
.docbody li > .scroll { margin-top: 8px; }
.scroll { overflow-x: auto; margin: 12px 0 18px; border: 1px solid var(--line); border-radius: 6px; background: var(--panel); }
table { border-collapse: collapse; width: 100%; font-size: 14px; font-variant-numeric: tabular-nums; }
th { background: var(--accent-soft); text-align: left; font-weight: 700; padding: 8px 12px; border-bottom: 1px solid var(--line); white-space: nowrap; }
td { padding: 7px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
tbody tr:nth-child(even) td { background: var(--zebra); }
tbody tr:last-child td { border-bottom: 0; }
td.off { font-family: var(--f-mono); white-space: nowrap; color: var(--accent); font-size: 13px; }
td code, th code { white-space: pre; }
.tag { display: inline-block; font-size: 11.5px; font-weight: 700; line-height: 1.5; padding: 0 7px; border-radius: 999px; white-space: nowrap; vertical-align: 1px; }
.tag.ok { color: var(--ok); background: var(--ok-bg); }
.tag.todo { color: var(--todo); background: var(--todo-bg); }
.tag.est { color: var(--est); background: var(--est-bg); }
.tag.std { color: var(--std); background: var(--std-bg); }
.star { color: var(--star); }
a.xref { text-decoration: none; border-bottom: 1px dotted currentColor; }

@media (max-width: 860px) {
  .docwrap { grid-template-columns: minmax(0, 1fr); gap: 20px; }
  .toc { position: static; max-height: none; border: 1px solid var(--line); border-radius: 6px; padding: 8px; background: var(--panel); }
}

/* 履歴 */
.history { max-width: 72ch; }
.history h3 { font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); margin: 0 0 6px; font-weight: 700; }
.history dl { margin: 0; }
.history dt { font-family: var(--f-mono); font-size: 14px; font-weight: 700; margin-top: 8px; }
.history dt span { font-weight: 400; color: var(--muted); margin-left: .6em; }
.history dd { margin: 2px 0 0; }
.history ul { margin: 0; padding-left: 1.2em; font-size: 14px; }
.history li + li { margin-top: 2px; }

/* screenshot rows in documents */
.shots { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 14px; margin: 16px 0 22px; max-width: 74ch; }
.shots figure { margin: 0; }
.shots img { display: block; width: 100%; height: auto; image-rendering: pixelated; border: 1px solid var(--line); background: #000; }
.shots figcaption { font-size: 13px; color: var(--muted); margin-top: 6px; line-height: 1.5; }