:root { box-sizing: border-box; padding-top: env(safe-area-inset-top, 0px); padding-bottom: env(safe-area-inset-bottom, 0px); }
body { margin: 0; padding: 0; }
img { max-width: 100%; }
[hidden]:not([hidden=until-found i]) { display: none !important; }
/* Layout: 夜のオフィスの端末。左にターミナル、中央にブラウザ／メール、右に案内botステラ。狭い画面では下部タブで切り替える。
   Single dark look by design (night shift); colors are explicit tokens. */
:root {
  color-scheme: dark;
  --night: #0b1018;        /* 背景：消灯後のオフィス */
  --panel: #111824;        /* パネル */
  --panel-2: #172131;      /* 一段上のパネル */
  --line: #243246;         /* 区切り線 */
  --ink: #d9e1ec;          /* 本文 */
  --ink-dim: #8d9bb0;      /* 補足 */
  --star: #f3c25b;         /* アクセント：星の光 */
  --star-dim: #8a6d2f;
  --term-ink: #cfe0d4;     /* ターミナル文字 */
  --dir: #7fb4ff;          /* ディレクトリ */
  --err: #ff8a80;          /* エラー（必ず文字でも示す） */
  --stella: #c3b5ff;       /* ステラ */
  --null: #9aa5b5;
  --site-bg: #f4f6f9;      /* ゲーム内社内サイト */
  --site-ink: #1d2633;
  --site-brand: #1f3b66;
  --site-line: #d5dbe4;
  --site-link: #1f5fbf;
  --font-ui: "BIZ UDPGothic", "Hiragino Sans", "Yu Gothic", "Meiryo", sans-serif;
  --font-mono: "IBM Plex Mono", "BIZ UDGothic", "Osaka-Mono", "MS Gothic", monospace;
  --font-display: "DotGothic16", "BIZ UDGothic", monospace;
  --font-hand: "Yomogi", "Klee One", "BIZ UDPGothic", cursive;
  --font-pen: "Klee One", "BIZ UDPGothic", sans-serif;
  --fs: 15px;
}
html, body { height: 100%; }
body {
  background: var(--night); color: var(--ink); font-family: var(--font-ui);
  font-size: var(--fs); line-height: 1.6; overflow: hidden;
}
body.big { --fs: 17px; }
button, input { font: inherit; color: inherit; }
button { cursor: pointer; }
:focus-visible { outline: 2px solid var(--star); outline-offset: 2px; }
code { font-family: var(--font-mono); font-size: .92em; background: rgba(243,194,91,.12); color: var(--star); padding: 0 .3em; border-radius: 3px; }

/* ---------- タイトル ---------- */
#title {
  position: fixed; inset: 0; z-index: 50; display: grid; place-items: center; padding: 16px;
  background: radial-gradient(1200px 600px at 70% -10%, #1a2740 0%, var(--night) 60%);
  overflow: auto;
}
#stars { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.title-box { position: relative; max-width: 520px; width: 100%; display: grid; gap: 22px; }
.title-eyebrow { font-family: var(--font-mono); font-size: 12px; letter-spacing: .18em; color: var(--ink-dim); }
.title-logo { font-family: var(--font-display); font-size: clamp(44px, 11vw, 76px); line-height: 1; color: var(--star); letter-spacing: .04em; text-shadow: 0 0 24px rgba(243,194,91,.25); }
.title-lede { color: var(--ink); text-wrap: balance; }
.title-form { display: grid; gap: 10px; }
.title-form label { font-size: 13px; color: var(--ink-dim); }
.title-row { display: flex; gap: 8px; flex-wrap: wrap; }
.title-row input { flex: 1 1 200px; min-width: 0; background: var(--panel); border: 1px solid var(--line); border-radius: 6px; padding: 10px 12px; font-size: 16px; }
.btn-primary { background: var(--star); color: #1b1407; border: 0; border-radius: 6px; padding: 10px 18px; font-weight: 700; }
.btn-primary:hover { filter: brightness(1.08); }
.btn-ghost { background: transparent; border: 1px solid var(--line); border-radius: 6px; padding: 8px 14px; color: var(--ink); }
.btn-ghost:hover { border-color: var(--star-dim); }
.title-note { font-size: 12px; color: var(--ink-dim); }
.btn-small { font-size: 13px; padding: 5px 12px; color: var(--ink-dim); }
.title-sub { font-family: var(--font-display); color: var(--ink); letter-spacing: .3em; margin-top: -10px; }
.btn-big { padding: 12px 32px; font-size: 17px; }
.acts-head { margin: 0; font-size: 22px; font-weight: 700; }
.acts { display: grid; gap: 12px; }
.act { display: grid; gap: 4px; text-align: left; background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 16px 18px; color: var(--ink); }
button.act:not(:disabled):hover { border-color: var(--star); }
button.act:disabled { cursor: default; }
.act-no { font-size: 12px; color: var(--ink-dim); letter-spacing: .1em; }
.act-name { font-family: var(--font-display); font-size: 28px; color: var(--star); line-height: 1.1; }
.act-track { font-weight: 700; }
.act-desc { font-size: 13px; color: var(--ink-dim); }
.act-state { justify-self: start; margin-top: 6px; font-size: 12px; border: 1px solid var(--star-dim); color: var(--star); border-radius: 999px; padding: 1px 10px; }
.act.locked { opacity: .55; }
.act.locked .act-name { color: var(--ink-dim); }
.act.locked .act-state { border-color: var(--line); color: var(--ink-dim); }

/* ---------- 第一幕ED：ニュースサイト（ゲーム内の架空サイト。明るい紙面で固定） ---------- */
#news { position: fixed; inset: 0; z-index: 80; overflow: auto; background: #e9ecf1; color: #1b2330; }
.news-site { max-width: 760px; margin: 0 auto; background: #fff; min-height: 100%; }
.news-top { display: flex; align-items: baseline; gap: 10px; padding: 14px 16px 10px; border-bottom: 3px solid #b3261e; flex-wrap: wrap; }
.news-logo { font-family: Georgia, "Times New Roman", serif; font-weight: 700; font-size: 24px; letter-spacing: .06em; color: #1b2330; }
.news-logo-sub { font-size: 12px; color: #5b6676; }
.news-close { background: #fff; border: 1px solid #c4cbd6; border-radius: 6px; padding: 4px 12px; color: #1b2330; }
.news-nav { display: flex; gap: 16px; padding: 8px 16px; font-size: 13px; color: #5b6676; border-bottom: 1px solid #e1e5eb; overflow-x: auto; white-space: nowrap; }
.news-nav b { color: #b3261e; }
.news-url { font-family: var(--font-mono); font-size: 11px; color: #8a94a3; padding: 6px 16px 0; overflow-wrap: anywhere; }
.news-body { padding: 8px 16px 8px; line-height: 1.85; font-size: 15px; }
.news-body h1 { font-size: clamp(20px, 4.6vw, 27px); line-height: 1.45; margin: 6px 0 8px; }
.news-body h2 { font-size: 17px; margin: 22px 0 6px; padding-left: 8px; border-left: 4px solid #b3261e; }
.news-body h3 { font-size: 14px; margin: 0 0 6px; }
.news-cat { display: inline-block; font-size: 12px; color: #fff; background: #b3261e; padding: 1px 8px; border-radius: 3px; margin-top: 10px; }
.news-date { font-size: 12px; color: #5b6676; }
.news-lead { font-weight: 700; }
.news-body blockquote { margin: 14px 0; padding: 10px 14px; background: #f4f6f9; border-left: 4px solid #c4cbd6; }
.news-terms { margin: 22px 0; padding: 12px 14px; border: 1px solid #e1e5eb; border-radius: 8px; background: #fbfcfd; }
.news-terms dl { margin: 0; display: grid; gap: 6px; }
.news-terms dt { font-weight: 700; font-size: 14px; }
.news-terms dd { margin: 0 0 4px; font-size: 13px; color: #3c4757; }
.news-related ul { padding-left: 18px; font-size: 14px; color: #1f5fbf; }
.news-fiction { font-size: 12px; color: #8a94a3; border-top: 1px solid #e1e5eb; padding-top: 10px; }
.news-end { background: var(--night); color: var(--ink); padding: 22px 16px 28px; display: grid; gap: 12px; justify-items: center; text-align: center; }
.news-end p { margin: 0; font-family: var(--font-display); color: var(--star); letter-spacing: .2em; }

/* ---------- ヘッダー ---------- */
#app { height: 100%; display: grid; grid-template-rows: auto 1fr auto; }
header.bar {
  display: flex; align-items: center; gap: 12px; padding: 8px 16px; border-bottom: 1px solid var(--line);
  background: var(--panel); min-width: 0;
}
.brand { font-family: var(--font-display); color: var(--star); font-size: 18px; letter-spacing: .05em; white-space: nowrap; }
.chap { color: var(--ink-dim); font-size: 13px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; min-width: 0; }
.spacer { flex: 1; }
.clock { font-family: var(--font-mono); font-variant-numeric: tabular-nums; color: var(--ink); font-size: 13px; white-space: nowrap; }
.clock small { color: var(--ink-dim); margin-left: 4px; font-family: var(--font-ui); }
.bar-btn { background: transparent; border: 1px solid var(--line); border-radius: 6px; padding: 4px 10px; font-size: 13px; white-space: nowrap; }
.bar-btn:hover { border-color: var(--star-dim); }

/* ---------- 本体：開いている画面を左から順に並べる ---------- */
main#desk { display: flex; min-height: 0; min-width: 0; overflow-x: auto; }
.pane { display: flex; flex-direction: column; min-height: 0; min-width: 240px; flex: var(--w, 1) 1 0; }
.pane.closed { display: none; }
.desk-empty { flex: 1; display: grid; place-items: center; text-align: center; padding: 24px; color: var(--ink-dim); }
/* 仕切り：ドラッグで幅を変える。ダブルクリックで元に戻す */
.gutter { flex: none; width: 7px; position: relative; background: var(--line); cursor: col-resize; touch-action: none; z-index: 2; }
.gutter::after { content: ""; position: absolute; left: 50%; top: 50%; width: 3px; height: 36px; transform: translate(-50%, -50%); border-radius: 2px; background: var(--ink-dim); opacity: .35; }
.gutter:hover, .gutter.dragging, .gutter:focus-visible { background: var(--star-dim); }
.gutter:hover::after, .gutter.dragging::after { opacity: .9; background: var(--star); }
.gutter:focus-visible { outline: none; }
body.resizing { cursor: col-resize; user-select: none; }
body.resizing.rows { cursor: row-resize; }
body.resizing #page { pointer-events: none; }
.pane-head { display: flex; align-items: center; gap: 4px; padding: 0 6px 0 8px; height: 36px; border-bottom: 1px solid var(--line); background: var(--panel); flex: none; transition: box-shadow .3s; }
.pane-title { font-size: 12px; letter-spacing: .12em; color: var(--ink-dim); padding: 0 6px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; min-width: 0; }
.pane-close { margin-left: auto; flex: none; width: 28px; height: 28px; display: grid; place-items: center; background: transparent; border: 1px solid transparent; border-radius: 6px; color: var(--ink-dim); font-size: 16px; line-height: 1; }
.pane-close:hover { border-color: var(--line); color: var(--ink); background: var(--panel-2); }
.pane.flash .pane-head { box-shadow: inset 0 -2px 0 var(--star); }

/* ドック：表示する画面を選ぶ */
.dock { display: flex; gap: 4px; flex-wrap: nowrap; }
.dock button { display: inline-flex; align-items: center; gap: 6px; background: transparent; border: 1px solid var(--line); border-radius: 6px; padding: 4px 10px; font-size: 13px; color: var(--ink-dim); white-space: nowrap; }
.dock button .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--line); }
.dock button[aria-pressed="true"] { color: var(--ink); border-color: var(--star-dim); background: rgba(243,194,91,.08); }
.dock button[aria-pressed="true"] .dot { background: var(--star); }
.dock button:hover { border-color: var(--star-dim); }
.dock .badge { margin-left: 0; }
.jcard h3 .new { font-family: var(--font-mono); font-size: 11px; color: #1b1407; background: var(--star); border-radius: 999px; padding: 0 .5em; margin-left: 8px; vertical-align: 2px; }
.badge { display: inline-block; min-width: 1.4em; padding: 0 .35em; margin-left: 4px; border-radius: 999px; background: var(--star); color: #1b1407; font-size: 11px; line-height: 1.5; text-align: center; font-weight: 700; }

/* ---------- ターミナル ---------- */
#term { position: relative; flex: 1; min-height: 0; background: #070b11; font-family: var(--font-mono); color: var(--term-ink); font-size: calc(var(--fs) - 1px); display: flex; flex-direction: column; }
#term-out { flex: 1; overflow-y: auto; padding: 12px 14px 4px; white-space: pre-wrap; word-break: break-all; }
#term-out .l { min-height: 1.5em; }
#term-out .cmd .p { color: var(--star); }
#term-out .dir { color: var(--dir); font-weight: 600; }
#term-out .err { color: var(--err); }
#term-out .gloss { color: var(--ink-dim); font-family: var(--font-ui); font-size: .9em; }
#term-out .sys { color: var(--star); font-family: var(--font-display); letter-spacing: .06em; }
#term-out .null { color: var(--null); font-style: italic; }
#term-out mark { background: none; color: var(--err); font-weight: 600; }
#term.busy .term-line .p { visibility: hidden; }
.term-line { display: flex; gap: .5ch; padding: 0 14px 12px; align-items: baseline; flex-wrap: wrap; }
.term-line .p { color: var(--star); white-space: nowrap; max-width: 100%; overflow: hidden; text-overflow: ellipsis; }
#term-in { flex: 1; min-width: 12ch; background: transparent; border: 0; outline: none; color: var(--term-ink); font-family: var(--font-mono); font-size: max(16px, calc(var(--fs) - 1px)); caret-color: var(--star); padding: 0; }
#term-lock { position: absolute; inset: 0; display: grid; place-items: center; text-align: center; padding: 24px; background: rgba(7,11,17,.88); color: var(--ink-dim); font-family: var(--font-ui); }
#term-lock strong { display: block; color: var(--ink); margin-bottom: 4px; }
.keys { display: none; gap: 5px; padding: 6px 10px; border-top: 1px solid var(--line); background: var(--panel); overflow-x: auto; flex: none; }
.keys button { flex: none; background: var(--panel-2); border: 1px solid var(--line); border-radius: 5px; padding: 4px 8px; font-family: var(--font-mono); font-size: 13px; }

/* ---------- ブラウザ ---------- */
#browser { flex: 1; display: flex; flex-direction: column; min-height: 0; }
/* 画面の中のタブ（ターミナル・ブラウザ） */
.tabstrip { flex: none; display: flex; align-items: flex-end; gap: 3px; padding: 5px 6px 0; background: var(--panel); border-bottom: 1px solid var(--line); overflow-x: auto; scrollbar-width: thin; }
.tabstrip .tab { flex: 0 1 190px; min-width: 72px; display: flex; align-items: center; border: 1px solid var(--line); border-bottom: none; border-radius: 6px 6px 0 0; background: var(--panel-2); color: var(--ink-dim); font-size: 12px; }
.tabstrip .tab .lbl { flex: 1; text-align: left; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; background: none; border: none; color: inherit; padding: 5px 4px 5px 10px; font-family: var(--font-mono); font-size: 12px; cursor: pointer; }
.tabstrip .tab .x { flex: none; background: none; border: none; color: inherit; padding: 2px 7px 2px 3px; font-size: 14px; line-height: 1; cursor: pointer; opacity: .7; }
.tabstrip .tab .x:hover { opacity: 1; color: var(--ink); }
.tabstrip .tab.active { color: var(--ink); border-color: var(--star-dim); background: #070b11; }
#browser-tabs .tab.active { background: var(--site-bg); color: var(--site-ink); }
.tabstrip .tab.activity .lbl::before { content: "●"; color: var(--star); margin-right: 5px; }
.tabstrip .add { flex: none; align-self: center; background: none; border: 1px solid transparent; border-radius: 5px; color: var(--ink-dim); font-size: 17px; line-height: 1; padding: 2px 8px; margin-left: 2px; cursor: pointer; }
.tabstrip .add:hover { color: var(--ink); border-color: var(--line); }
.tabstrip .add:disabled { opacity: .3; cursor: default; }
.urlbar { display: flex; gap: 6px; padding: 6px 8px; border-bottom: 1px solid var(--line); background: var(--panel-2); flex: none; }
.urlbar button { background: transparent; border: 1px solid transparent; border-radius: 5px; width: 30px; color: var(--ink-dim); }
.urlbar button:hover:not(:disabled) { border-color: var(--line); color: var(--ink); }
.urlbar button:disabled { opacity: .35; cursor: default; }
#url { flex: 1; min-width: 0; background: var(--night); border: 1px solid var(--line); border-radius: 999px; padding: 4px 12px; font-family: var(--font-mono); font-size: 14px; }
#page { flex: 1; overflow: auto; background: var(--site-bg); color: var(--site-ink); }

/* 社内サイト（ゲーム内のページ） */
.site { font-family: "BIZ UDPGothic", sans-serif; font-size: 14px; line-height: 1.7; }
.site a { color: var(--site-link); cursor: pointer; text-decoration: underline; }
.site-top { background: var(--site-brand); color: #fff; padding: 10px 16px; display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.site-top b { font-size: 15px; letter-spacing: .04em; }
.site-top span { font-size: 12px; opacity: .8; }
.site-nav { display: flex; gap: 14px; padding: 6px 16px; border-bottom: 1px solid var(--site-line); background: #fff; flex-wrap: wrap; font-size: 13px; }
.site-body { padding: 16px; display: grid; gap: 14px; max-width: 640px; }
.site h1 { font-size: 18px; margin: 0; text-wrap: balance; }
.site h2 { font-size: 14px; margin: 0; color: #4a5566; letter-spacing: .06em; }
.site table { border-collapse: collapse; width: 100%; background: #fff; }
.site td, .site th { border: 1px solid var(--site-line); padding: 6px 10px; text-align: left; vertical-align: top; font-weight: normal; }
.site th { background: #eef1f5; width: 8em; color: #4a5566; }
.site ul { margin: 0; padding-left: 1.2em; }
.site .muted { color: #6b7686; font-size: 12px; }
.site .card { background: #fff; border: 1px solid var(--site-line); padding: 12px 14px; }
.site form { display: grid; gap: 8px; }
.site input[type=text], .site select { color: var(--site-ink); background: #fff; border: 1px solid #b9c2cf; padding: 8px 10px; font-size: 16px; border-radius: 3px; min-width: 0; }
.site select { width: 100%; max-width: 100%; }
.site td.nw { white-space: nowrap; }
/* 社員紹介のドット絵 */
.site .staff-grid { display: flex; flex-wrap: wrap; gap: 6px 10px; }
.site .staff-card { display: flex; align-items: center; gap: 6px; padding: 2px 8px 2px 2px; border: 1px solid var(--site-line); border-radius: 4px; background: #f7f9fc; text-decoration: none; min-width: 0; }
.site .staff-card:hover { border-color: var(--site-link); }
.site .staff-card span { display: grid; line-height: 1.35; }
.site .staff-card small { color: #6b7686; font-size: 11px; }
.site .staff-card.me { color: #4a5566; }
.site .staff-icon { width: 48px; height: 48px; image-rendering: pixelated; flex: none; background: #1d2742; border-radius: 3px; }
.site .staff-icon.blank { display: grid; place-items: center; color: #8d9bb0; font-weight: 700; }
.site .staff-head { display: flex; gap: 16px; align-items: flex-end; flex-wrap: wrap; }
.site .staff-head > div { display: grid; gap: 6px; flex: 1; min-width: 12em; }
.site .staff-pic { width: 144px; height: 144px; image-rendering: pixelated; flex: none; background: #1d2742; border-radius: 4px; }
.site .staff-intro { margin: 0; }
.site form label + select { margin-bottom: 4px; }
.site button { background: var(--site-brand); color: #fff; border: 0; padding: 8px 16px; border-radius: 3px; justify-self: start; }
.site .ok { color: #1f7a3d; font-weight: 700; }
.site table.grid th { width: auto; }
.site .warn { color: #b3261e; font-weight: 700; }
.site button:disabled { background: #9aa6b6; cursor: default; }
.site label { font-size: 13px; color: #4a5566; }
.site-scroll { overflow-x: auto; }
.raw { margin: 0; padding: 16px; font-family: var(--font-mono); font-size: 13px; white-space: pre-wrap; word-break: break-word; color: var(--site-ink); }
.site .ng { color: #b3261e; font-weight: 700; }
.err-page { padding: 32px 20px; color: #3b4452; display: grid; gap: 10px; max-width: 520px; }
.err-page h1 { font-size: 20px; margin: 0; }
.err-page code { background: #e6eaf0; color: #3b4452; }
.newtab { padding: 32px 20px; display: grid; gap: 16px; }
.newtab h1 { font-size: 15px; color: #4a5566; margin: 0; font-weight: normal; }
.bookmarks { display: flex; gap: 10px; flex-wrap: wrap; }
.bookmarks a { display: block; background: #fff; border: 1px solid var(--site-line); padding: 10px 14px; text-decoration: none; color: var(--site-ink); }
.bookmarks a small { display: block; color: #6b7686; font-family: var(--font-mono); font-size: 11px; }

/* ---------- メール ---------- */
#mail { flex: 1; display: grid; grid-template-rows: var(--r-mail, minmax(0, 38%)) 7px minmax(0, 1fr); min-height: 0; }
#gutter-mail { width: auto; }
#mail-list { list-style: none; margin: 0; padding: 0; overflow-y: auto; min-height: 0; }
#gutter-mail { cursor: row-resize; }
#gutter-mail::after { width: 36px; height: 3px; }
#mail-list li button { width: 100%; text-align: left; background: transparent; border: 0; border-bottom: 1px solid var(--line); padding: 8px 14px; display: grid; grid-template-columns: 1fr auto; gap: 0 10px; }
#mail-list li button:hover { background: var(--panel-2); }
#mail-list li button[aria-current="true"] { background: var(--panel-2); box-shadow: inset 3px 0 0 var(--star); }
#mail-list .from { font-size: 13px; color: var(--ink-dim); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
#mail-list .time { font-family: var(--font-mono); font-size: 12px; color: var(--ink-dim); }
#mail-list .subj { grid-column: 1 / -1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
#mail-list .unread .subj { font-weight: 700; color: var(--ink); }
#mail-list .unread .subj::before { content: "● "; color: var(--star); font-size: 10px; vertical-align: 2px; }
/* 件名・差出人は上に固定し、本文だけがスクロールする */
#mail-view { display: flex; flex-direction: column; min-width: 0; min-height: 0; overflow: hidden; }
#mail-view .meta { flex: none; font-size: 13px; color: var(--ink-dim); display: grid; gap: 2px; padding: 14px 16px 12px; border-bottom: 1px solid var(--line); overflow-wrap: anywhere; }
#mail-view .meta b { color: var(--ink); font-size: 15px; }
#mail-view .body { flex: 1; min-height: 0; overflow-y: auto; padding: 14px 16px 24px; white-space: pre-wrap; word-break: break-word; }
#mail-view .empty { overflow-y: auto; }
#mail-view a { color: var(--dir); cursor: pointer; font-family: var(--font-mono); word-break: break-all; }
#mail-view.null-mail .body { font-family: var(--font-mono); color: var(--null); }
#mail-view .sent { margin-top: 18px; padding: 10px 12px; border-left: 3px solid var(--star-dim); background: var(--panel-2); border-radius: 0 6px 6px 0; font-size: 13px; }
#mail-view .sent small { display: block; color: var(--ink-dim); margin-bottom: 4px; }
#mail-view .reply-box { margin-top: 18px; display: grid; gap: 8px; white-space: normal; }
#mail-view .reply-box label { font-size: 13px; color: var(--ink-dim); }
#mail-view .reply-box textarea { width: 100%; box-sizing: border-box; min-height: 64px; resize: vertical; background: #070b11; color: var(--ink); border: 1px solid var(--line); border-radius: 6px; padding: 8px 10px; font: inherit; }
#mail-view .reply-box textarea:focus { outline: none; border-color: var(--star); }
#mail-view .reply-box .row { justify-content: flex-start; }
#mail-view .replied { margin-top: 14px; font-size: 13px; color: var(--ink-dim); }
.empty { color: var(--ink-dim); font-size: 13px; padding: 16px; }

/* ---------- ステラ ---------- */
#chat { flex: 1; overflow-y: auto; padding: 14px; display: flex; flex-direction: column; gap: 10px; }
.msg { max-width: 100%; display: grid; gap: 2px; }
.msg .who { font-size: 11px; letter-spacing: .1em; color: var(--stella); }
.msg .txt { background: var(--panel-2); border: 1px solid var(--line); border-radius: 4px 12px 12px 12px; padding: 8px 11px; word-break: break-word; }
.msg.me { justify-items: end; }
.msg.me .who { color: var(--ink-dim); }
.msg.me .txt { background: transparent; border-radius: 12px 4px 12px 12px; }
.msg.hint .txt { border-color: var(--star-dim); }
.typing { color: var(--ink-dim); font-size: 12px; padding-left: 2px; }
.chat-actions { display: flex; gap: 6px; padding: 10px 14px; border-top: 1px solid var(--line); flex-wrap: wrap; flex: none; }
.chat-actions button { background: var(--panel-2); border: 1px solid var(--line); border-radius: 999px; padding: 5px 12px; font-size: 13px; }
.chat-actions button:hover { border-color: var(--stella); }

/* ---------- 下部タブ（狭い画面） ---------- */
nav.tabbar { display: none; border-top: 1px solid var(--line); background: var(--panel); padding-bottom: env(safe-area-inset-bottom, 0px); }
nav.tabbar button { flex: 1; background: transparent; border: 0; padding: 10px 4px; font-size: 13px; color: var(--ink-dim); border-top: 2px solid transparent; }
nav.tabbar button[aria-selected="true"] { color: var(--ink); border-top-color: var(--star); }

#toast { position: fixed; right: 16px; bottom: 16px; width: min(340px, calc(100% - 32px)); z-index: 30; display: none; background: var(--panel-2); border: 1px solid var(--stella); border-radius: 8px; padding: 8px 12px; font-size: 13px; box-shadow: 0 8px 24px rgba(0,0,0,.4); }
#toast { cursor: pointer; }
#toast b { color: var(--stella); font-weight: normal; font-size: 11px; letter-spacing: .1em; display: block; }

/* ---------- モーダル ---------- */
.modal { position: fixed; inset: 0; z-index: 40; background: rgba(4,7,12,.75); display: grid; place-items: center; padding: 16px; }
.modal-box { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; width: min(720px, 100%); max-height: 100%; overflow: auto; padding: 20px; display: grid; gap: 14px; }
.modal-box h2 { margin: 0; font-family: var(--font-display); color: var(--star); font-weight: normal; font-size: 22px; letter-spacing: .04em; }
.modal-head { display: flex; align-items: center; gap: 10px; }
.modal-head .spacer { flex: 1; }
code.gl { cursor: pointer; text-decoration: underline dotted; text-underline-offset: 3px; }
code.gl:hover, code.gl:focus-visible { background: rgba(243,194,91,.24); outline: none; }
#gl-q { width: 100%; box-sizing: border-box; padding: 8px 10px; border-radius: 6px; border: 1px solid var(--line); background: rgba(255,255,255,.04); color: inherit; font-size: 15px; }
.gl-cat { margin: 6px 0 0; font-size: 12px; letter-spacing: .12em; color: var(--star); font-weight: normal; }
.gl-dl { margin: 0; display: grid; gap: 2px; }
.gl-dl dt { font-weight: bold; margin-top: 8px; }
.gl-dl dt small { font-weight: normal; color: var(--ink-dim); font-size: 12px; margin-left: 8px; }
.gl-dl dd { margin: 0; color: var(--ink); line-height: 1.7; }
.gl-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.gl-chip { background: rgba(255,255,255,.04); border: 1px solid var(--line); border-radius: 999px; padding: 4px 12px; font-size: 14px; color: inherit; cursor: pointer; }
.gl-chip:hover, .gl-chip:focus-visible { border-color: var(--star-dim); color: var(--star); }
.gl-page { display: grid; gap: 8px; }
.gl-page p { margin: 0; line-height: 1.8; }
.gl-title { margin: 0; font-size: 22px; }
.gl-more-text { padding: 8px 12px; border-left: 2px solid var(--star-dim); background: rgba(255,255,255,.03); }
.gl-detail { margin-top: 4px; }
.gl-detail summary { cursor: pointer; color: var(--star); font-size: 13px; width: fit-content; }
.gl-detail p { margin: 4px 0 0; padding: 8px 10px; border-left: 2px solid var(--star-dim); background: rgba(255,255,255,.03); line-height: 1.8; }
.gl-ref { margin: 4px 0 0; font-size: 12px; color: var(--ink-dim); }
.gl-ref a { color: var(--ink-dim); }
.gl-rest { margin: 4px 0 0; color: var(--ink-dim); font-size: 13px; }
.jcard { border-top: 1px solid var(--line); padding-top: 14px; display: grid; gap: 10px; }
.jcard h3 { margin: 0; font-size: 16px; }
.jcard h3 small { color: var(--ink-dim); font-weight: normal; font-size: 12px; margin-right: 8px; font-family: var(--font-mono); }
.jcard h4 { margin: 0; font-size: 12px; letter-spacing: .12em; color: var(--star); font-weight: normal; }
.jcard p, .jcard ul { margin: 0; }
.jcard ul { padding-left: 1.2em; display: grid; gap: 4px; }
.jtable-wrap { overflow-x: auto; }
.jtable { border-collapse: collapse; width: 100%; font-size: 14px; }
.jtable td { border-bottom: 1px solid var(--line); padding: 6px 8px; vertical-align: top; }
.jtable td:first-child { white-space: nowrap; }
.locked-card { color: var(--ink-dim); font-size: 13px; border-top: 1px dashed var(--line); padding-top: 12px; }
.clear-stats { display: flex; gap: 24px; flex-wrap: wrap; }
.clear-stats div { display: grid; }
.clear-stats b { font-family: var(--font-mono); font-size: 24px; color: var(--ink); font-variant-numeric: tabular-nums; }
.clear-stats span { font-size: 12px; color: var(--ink-dim); }
.row { display: flex; gap: 8px; flex-wrap: wrap; }
.editor { width: 100%; min-height: 220px; box-sizing: border-box; font-family: var(--font-mono); font-size: 15px; line-height: 1.6; background: #070b11; color: var(--term-ink); border: 1px solid var(--line); border-radius: 6px; padding: 10px 12px; resize: vertical; }
.editor-note { margin: 0; font-size: 13px; color: var(--ink-dim); }
.ending p { margin: 0; }
.chapter-card { position: absolute; inset: 0; display: grid; place-items: center; background: rgba(7,11,17,.92); z-index: 5; text-align: center; padding: 24px; animation: fadeout 3.2s forwards; pointer-events: none; }
.chapter-card div { font-family: var(--font-display); color: var(--star); font-size: 26px; line-height: 1.5; }
.chapter-card small { display: block; font-size: 13px; color: var(--ink-dim); letter-spacing: .3em; }
@keyframes fadeout { 0%, 70% { opacity: 1; } 100% { opacity: 0; } }


/* ---------- 当番メモ（主人公の手書きメモ） ---------- */
.memo-sheet { flex: 1; min-height: 0; overflow-y: auto; overflow-x: hidden; overflow-wrap: anywhere; background: #f7f1e1; color: #2b2a33;
  background-image: linear-gradient(90deg, transparent 30px, rgba(214,94,94,.35) 30px, rgba(214,94,94,.35) 31px, transparent 31px),
                    repeating-linear-gradient(180deg, transparent 0 29px, rgba(70,110,170,.18) 29px 30px);
  background-attachment: local; padding: 0 14px 30px 40px; font-family: var(--font-hand); font-size: calc(var(--fs) + 1px); line-height: 30px; }
.memo-sheet .memo-cover { font-family: var(--font-hand); font-size: 1.15em; line-height: 30px; margin: 0 0 30px; color: #3a3550; }
.memo-sheet .memo-cover small { font-size: .75em; color: #6b6577; margin-left: .5em; }
.memo-page { margin: 0 0 30px; }
.memo-ch { font-family: var(--font-hand); font-weight: 400; font-size: 1.05em; margin: 0; line-height: 28px; color: #1f3b66; border-bottom: 2px solid rgba(31,59,102,.35); display: inline-block; padding-right: .6em; }
.memo-ch span { color: #b4433c; margin-right: .4em; }
.memo-page ul { list-style: none; margin: 0; padding: 0; }
.memo-page li { position: relative; padding-left: 1.5em; }
.memo-page li .mk { position: absolute; left: 0; top: 0; width: 1.3em; text-align: center; }
.memo-page li.todo.done .mk { color: #2f7d4f; }
.memo-page li.todo.done > .t { text-decoration: line-through; text-decoration-color: rgba(43,42,51,.55); color: #6b6577; }
.memo-page .sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.memo-page li .tm { font-size: .72em; color: #8a8494; margin-left: .4em; }
.memo-page li .r { color: #2b2a33; }
.memo-page li .r::before { content: "→ "; color: #2f7d4f; }
.memo-page li.now { background: rgba(243,194,91,.28); border-radius: 4px; }
.memo-sheet .memo-rule { margin: -30px 0 30px; line-height: 30px; color: #b4433c; font-size: .9em; }
.memo-page li.todo.now .mk { color: #b4433c; }
.memo-page li .now-tag { color: #b4433c; font-size: .85em; margin-left: .4em; white-space: nowrap; }
.memo-page li.q .mk { color: #b4433c; font-weight: 700; }
.memo-page li.q.solved .mk { color: #8a8494; }
.memo-page li.q.open > .t { color: #8f2f2a; }
.memo-page li.q.solved > .t { text-decoration: line-through; text-decoration-color: rgba(143,47,42,.5); color: #8a6a68; }
.memo-page li.q .a { color: #1f3b66; }
.memo-page li.q .a::before { content: "！ "; color: #b4433c; font-weight: 700; }
.memo-page li.note { color: #4a4458; transform: rotate(-.4deg); }
.memo-page li.note .mk { color: #7a6fa0; }
.memo-page li.fresh { animation: memoInk 1.6s ease-out; }
@keyframes memoInk { from { background: rgba(243,194,91,.55); } to { background: transparent; } }
.memo-page li.now.fresh { animation: none; }
.memo-sheet code { font-family: inherit; font-size: 1em; background: none; color: #1f3b66; padding: 0; border-bottom: 1px solid rgba(31,59,102,.4); border-radius: 0; }
.memo-sheet code.gl { cursor: pointer; border-bottom-style: dotted; border-bottom-width: 2px; }
.memo-sheet code.gl:hover { background: rgba(31,59,102,.08); }
.memo-tabs { display: flex; gap: 4px; padding: 6px 8px 0 40px; background: #e6dcc3; border-bottom: 1px solid #cdbf9d; flex: none; }
.memo-tabs button { font-family: var(--font-hand); font-size: var(--fs); background: #efe6cf; color: #6b6577; border: 1px solid #cdbf9d; border-bottom: 0; border-radius: 8px 8px 0 0; padding: 3px 14px; margin-bottom: -1px; }
.memo-tabs button[aria-selected="true"] { background: #f7f1e1; color: #1f3b66; position: relative; }
.memo-tabs button[data-mt="mine"][aria-selected="true"] { background: #eef3fb; color: #1f4fae; }
body:not(.mode-easy) .dock [data-app="chat"], body:not(.mode-easy) #tabbar [data-pane="chat"], body.mode-hard .memo-tabs [data-mt="book"] { display: none; }
.mode-pick { display: grid; gap: 6px; }
.mode-label { font-size: 13px; color: var(--ink-dim); }
.mode-btns { display: flex; gap: 6px; flex-wrap: wrap; }
.mode-btns button { background: transparent; border: 1px solid var(--line); border-radius: 6px; padding: 6px 14px; color: var(--ink-dim); }
.mode-btns button[aria-checked="true"] { border-color: var(--star); color: var(--ink); background: rgba(243,194,91,.12); font-weight: 700; }
.mode-desc { margin: 0; font-size: 13px; color: var(--ink); }
.memo-sheet.mine { display: flex; flex-direction: column; background-color: #eef3fb; }
.memo-sheet.mine[hidden], .memo-sheet[hidden] { display: none; }
.memo-sheet.mine .memo-cover label { color: #1f4fae; font-family: var(--font-pen); font-weight: 600; }
#memo-mine { display: block; width: 100%; flex: 1 0 auto; min-height: 300px; resize: none; border: 0; outline: none; background: transparent; color: #1f4fae;
  font-family: var(--font-pen); font-size: 1em; line-height: 30px; padding: 0; margin: 0; }
#memo-mine:focus-visible { box-shadow: 0 0 0 2px rgba(31,95,191,.35); border-radius: 4px; }
#memo-mine::placeholder { color: rgba(31,79,174,.45); }
#memo-prev details { margin-top: 6px; color: #4a4458; font-family: var(--font-pen); }
#memo-prev summary { cursor: pointer; color: #1f5fbf; }
#memo-prev pre { white-space: pre-wrap; font: inherit; margin: 0; color: #1f4fae; }
@media (max-width: 1250px) { .chap { display: none; } }
@media (max-width: 1100px) { #toast { right: 16px; } }
@media (max-width: 760px) {
  #toast { left: 16px; right: 16px; top: 52px; bottom: auto; width: auto; }
  main#desk { display: block; position: relative; overflow: hidden; }
  .gutter { display: none; }
  #gutter-mail { display: block; }
  .pane, .pane.closed { position: absolute; inset: 0; min-width: 0; display: none; }
  .pane.active { display: flex; }
  .desk-empty, .dock { display: none; }
  nav.tabbar { display: flex; }
  .keys { display: flex; }
  .pane-head.mobile-hide { display: none; }
  header.bar { padding: 8px 12px; gap: 8px; }
  .clock small { display: none; }
  .bar-btn { padding: 4px 7px; }
  .wide-only { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  .chapter-card { animation-duration: 1.2s; }
}

/* ---------- シーズン0 研修編 ---------- */
.act-s0 { border-color: var(--star-dim); }
.s0-list { display: grid; gap: 8px; }
.s0-day { margin: 10px 0 0; font-size: 13px; font-weight: 400; color: var(--ink-dim); letter-spacing: .08em; }
.lec { display: grid; grid-template-columns: 44px minmax(0, 1fr) auto; gap: 4px 12px; align-items: center; text-align: left; background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 10px 14px; color: var(--ink); font: inherit; cursor: pointer; }
.lec:hover:not(:disabled) { border-color: var(--star); }
.lec.locked { opacity: .55; cursor: default; }
.lec-id { font-family: var(--font-display); color: var(--star); font-size: 18px; }
.lec.locked .lec-id { color: var(--ink-dim); }
.lec-body { display: grid; gap: 2px; min-width: 0; }
.lec-title { font-weight: 700; }
.lec-who, .lec-desc { font-size: 12px; color: var(--ink-dim); }
.lec-state { font-size: 12px; border: 1px solid var(--line); color: var(--ink-dim); border-radius: 999px; padding: 1px 10px; white-space: nowrap; }
.lec-state.done { border-color: var(--star-dim); color: var(--star); }
@media (max-width: 560px) { .lec { grid-template-columns: 36px minmax(0, 1fr); } .lec-state { grid-column: 2; justify-self: start; } }
#lecture { position: fixed; inset: 0; z-index: 50; display: flex; flex-direction: column; background: var(--night); }
.lec-bar { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 8px 16px; border-bottom: 1px solid var(--line); background: var(--panel); font-size: 13px; color: var(--ink-dim); }
#lec-frame { flex: 1; width: 100%; border: 0; background: var(--night); }