/* Chord Lab のスタイル。テーマ変数（ライト/ダーク）は :root[data-theme] で切替 */
  :root[data-theme="dark"] {
    --bg: #1E1E23; --panel: #26262C; --panel-2: #2E2E36; --border: #32323A;
    --text: #F2F2F5; --text-dim: #9A9AA4; --text-faint: #5C5C66;
    --accent: #E8484E; --accent-soft: #F4ABAE; --accent-dark: #4A2C2F; --accent-text: #FFEDEE;
    --ok: #6BBF8A; --ng: #E8884E;
    --kb-bg: #16161A; --white-key: #F5F3EF; --black-key: #1A1A1E; --key-stroke: #44444C;
    --plain-white: #B9B7AF; --plain-black: #50505A; --tension-black: #C76A6E;
    --ct: #69B7FF; --ct-bg: #143049; --ct-tx: #CFE8FF;
    --t: #7FB3E3; --t-bg: #1C3A55; --t-tx: #CFE4F7;
    --av: #FF7B7B; --av-bg: #3F191D; --av-tx: #FFD4D4;
    --out-bg: #23232B; --out-tx: #8A8A94; --root-mark: #E6A93F; --borrow: #E8B04E;
  }
  :root[data-theme="light"] {
    --bg: #F7F6F3; --panel: #FFFFFF; --panel-2: #EFEEE9; --border: #DDDCD4;
    --text: #26262A; --text-dim: #6E6E78; --text-faint: #A2A2AA;
    --accent: #D9363C; --accent-soft: #F4ABAE; --accent-dark: #F9DCDD; --accent-text: #FFFFFF;
    --ok: #2E8B57; --ng: #C26A2E;
    --kb-bg: #E8E7E2; --white-key: #FFFFFF; --black-key: #2A2A30; --key-stroke: #B9B8B0;
    --plain-white: #C9C8C0; --plain-black: #6A6A74; --tension-black: #D98A8E;
    --ct: #2F7FD6; --ct-bg: #DCEDFF; --ct-tx: #0E4B85;
    --t: #5B96CC; --t-bg: #DCEDFF; --t-tx: #1E5E96;
    --av: #D85555; --av-bg: #FBE2E2; --av-tx: #9E2D2D;
    --out-bg: #ECECE7; --out-tx: #80808A; --root-mark: #C98A1F; --borrow: #B07818;
  }
  * { box-sizing: border-box; }
  [hidden] { display: none !important; }
  body {
    margin: 0; background: var(--bg); color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic UI", sans-serif;
    min-height: 100vh; display: flex; justify-content: center;
  }
  .app { width: 100%; max-width: 980px; padding: 0 22px 26px; }

  .bar {
    display: flex; justify-content: space-between; align-items: center;
    padding: 13px 2px; border-bottom: 1px solid var(--border); gap: 12px; flex-wrap: wrap;
  }
  .brand {
    font-size: 13px; font-weight: 600; letter-spacing: 1px; color: var(--text-dim); white-space: nowrap;
    background: none; border: none; font-family: inherit; cursor: pointer;
    padding: 8px 6px; margin: -8px -6px; border-radius: 7px;
  }
  .brand:hover { color: var(--text); }
  .brand:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
  .brand .accent { color: var(--accent); margin-right: 7px; }
  .bar-left { display: flex; align-items: center; gap: 14px; }
  .bar-right { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
  select, .icon-btn {
    background: var(--panel); color: var(--text-dim); border: 1px solid var(--border);
    border-radius: 7px; font-size: 12px; padding: 4px 8px; cursor: pointer; font-family: inherit;
  }
  select:hover, .icon-btn:hover { color: var(--text); border-color: var(--text-faint); }
  #device { font-size: 12px; white-space: nowrap; }
  #device .dot { display: inline-block; width: 7px; height: 7px; border-radius: 50%; margin-right: 6px; vertical-align: 1px; transition: box-shadow .12s ease-out; }
  #device.ok { color: var(--ok); } #device.ok .dot { background: var(--ok); }
  #device.ng { color: var(--ng); } #device.ng .dot { background: var(--ng); }
  /* MIDIメッセージ受信時の点滅（届いているかどうかの切り分け用） */
  #device.rx .dot { box-shadow: 0 0 7px 2.5px currentColor; }

  .settings-wrap { position: relative; }
  #settingsPanel {
    position: absolute; right: 0; top: 34px; z-index: 10;
    background: var(--panel); border: 1px solid var(--border); border-radius: 10px;
    padding: 14px 16px; display: none; min-width: 230px; box-shadow: 0 6px 24px rgba(0,0,0,.25);
  }
  #settingsPanel.open { display: block; }
  #settingsPanel .row { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin: 9px 0; font-size: 13px; color: var(--text-dim); }

  .stage { text-align: center; padding: 26px 0 0; min-height: 172px; }
  #chordName { font-size: clamp(54px, 9vw, 82px); font-weight: 600; line-height: 1.08; letter-spacing: -1px; min-height: 0.9em; }
  #chordName.small { font-size: clamp(30px, 5vw, 44px); padding-top: 18px; }
  #chordName.idle { color: var(--text-faint); font-weight: 400; }
  #reading { font-size: 13px; color: var(--text-dim); margin-top: 9px; min-height: 1.3em; }

  #badges { display: flex; justify-content: center; gap: 7px; margin-top: 16px; flex-wrap: wrap; min-height: 46px; }
  .badge { border-radius: 7px; padding: 5px 13px; text-align: center; }
  .badge .nm { font-size: 14px; font-weight: 600; display: block; line-height: 1.25; }
  .badge .lb { font-size: 10.5px; display: block; opacity: .85; }
  .badge.core { background: #85B2DE; color: #173A5C; }
  .badge.tension { background: var(--t-bg); color: var(--t-tx); }

  #interps { display: flex; justify-content: center; align-items: center; gap: 8px; margin: 18px 0 20px; flex-wrap: wrap; min-height: 34px; }
  #interps .cap { font-size: 12px; color: var(--text-faint); }
  .tab {
    border: 1px solid var(--border); background: transparent; color: var(--text-dim);
    border-radius: 999px; padding: 5px 16px; font-size: 14px; cursor: pointer; font-family: inherit;
  }
  .tab:hover { color: var(--text); border-color: var(--text-faint); }
  .tab.active { background: var(--panel-2); border: 1.5px solid var(--accent); color: var(--text); font-weight: 500; }

  #kbWrap { position: relative; background: var(--kb-bg); border-radius: 12px; padding: 10px 10px 8px; border: 1px solid var(--border); }
  #kb { width: 100%; display: block; }
  #kb { touch-action: none; }
  #kb rect { transition: fill .28s ease-out; cursor: pointer; }
  #kb rect.core, #kb rect.tension, #kb rect.plain { transition: none; }
  #kb rect.wk { fill: var(--white-key); stroke: var(--key-stroke); stroke-width: 1; }
  #kb rect.bk { fill: var(--black-key); stroke: var(--kb-bg); stroke-width: 1; }
  #kb rect.wk.core { fill: #85B2DE; } #kb rect.bk.core { fill: #4F7FAE; }
  #kb rect.wk.tension { fill: #C5DAEE; }
  #kb rect.bk.tension { fill: #7E9FBE; }
  #kb rect.wk.plain { fill: var(--plain-white); }
  #kb rect.bk.plain { fill: var(--plain-black); }
  #kb text { font-family: inherit; pointer-events: none; }
  .edge-badge {
    position: absolute; top: 8px; font-size: 11px; color: var(--text-dim);
    background: var(--panel); border: 1px solid var(--border); border-radius: 999px;
    padding: 2px 9px; display: none;
  }
  .edge-badge.show { display: block; }
  #edgeL { left: 8px; } #edgeR { right: 8px; }

  .foot { display: flex; justify-content: space-between; align-items: center; margin-top: 12px; gap: 10px; flex-wrap: wrap; }
  .legend { display: flex; gap: 16px; font-size: 11.5px; color: var(--text-dim); }
  .sw { display: inline-block; width: 11px; height: 11px; border-radius: 3px; vertical-align: -1px; margin-right: 5px; }
  .sw.core { background: #85B2DE; } .sw.tension { background: #C5DAEE; }
  .hint { font-size: 11.5px; color: var(--text-faint); text-align: right; }
  #voicingInfo { font-size: 12px; color: var(--text-faint); margin-top: 6px; min-height: 1.2em; }

  body.stream { background: transparent; }
  body.stream-green { background: #00FF00; }
  body.stream .bar, body.stream #reading, body.stream #badges, body.stream #interps,
  body.stream #voicingInfo, body.stream .foot, body.stream #midiError { display: none !important; }
  body.stream .stage { min-height: 0; padding-top: 12px; }
  body.stream #chordName { font-size: clamp(80px, 18vw, 170px); color: #FFFFFF; text-shadow: 0 2px 10px rgba(0,0,0,.65), 0 0 3px rgba(0,0,0,.9); }
  body.stream #chordName.idle, body.stream #chordName.small { font-size: clamp(40px, 9vw, 80px); }
  body.stream #chordName.idle { opacity: 0; }
  body.stream #kbWrap { background: transparent; border: none; }
  body.stream-text #kbWrap, body.stream-text .edge-badge { display: none; }
  #midiError {
    display: none; margin: 14px 0 0; padding: 11px 38px 11px 14px; border-radius: 9px;
    background: var(--accent-dark); color: var(--accent-soft); font-size: 13px; line-height: 1.6;
    position: relative;
  }
  :root[data-theme="light"] #midiError { color: #A3282E; }
  #midiError.show { display: block; }
  #midiError .msg-close {
    position: absolute; top: 5px; right: 6px; background: none; border: none;
    color: inherit; font-size: 17px; cursor: pointer; padding: 5px 9px; line-height: 1; opacity: .75;
  }
  #midiError .msg-close:hover { opacity: 1; }

  .view-tabs { display: flex; gap: 3px; background: var(--panel); border: 1px solid var(--border); border-radius: 9px; padding: 3px; }
  .view-tabs button { border: none; background: transparent; color: var(--text-dim); font-family: inherit; font-size: 12.5px; padding: 5px 16px; border-radius: 6px; cursor: pointer; }
  .view-tabs button.on { background: var(--panel-2); color: var(--text); font-weight: 600; }

  #degreeRow { font-size: 13.5px; margin-top: 8px; min-height: 1.3em; }
  #degreeRow .deg-name { font-weight: 600; font-size: 15px; }
  #degreeRow.dia { color: var(--ok); }
  #degreeRow.borrow { color: var(--borrow); }
  #degreeRow.outkey { color: var(--text-faint); }

  #viewLab { padding-top: 16px; }
  .lab-sec { font-size: 11px; letter-spacing: .14em; color: var(--text-faint); font-weight: 600; margin: 16px 2px 8px; display: flex; justify-content: space-between; align-items: baseline; }
  .lab-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 6px; }
  .lab-chip, .vt, .dchip, .optchip, .movechip {
    cursor: pointer; border: 1px solid var(--border); background: var(--panel); color: var(--text-dim);
    border-radius: 10px; font-family: inherit; text-align: center; transition: .14s ease; padding: 8px 5px;
  }
  .lab-chip:hover, .vt:hover, .dchip:hover, .optchip:hover, .movechip:hover { color: var(--text); border-color: var(--text-faint); transform: translateY(-1px); }
  .lab-chip.on, .vt.on, .dchip.on, .optchip.on { border-color: var(--accent); color: var(--text); background: var(--panel-2); }
  .lab-chip .maj { font-size: 14px; font-weight: 600; display: block; }
  .lab-chip .rel { font-size: 10.5px; color: var(--text-faint); display: block; margin-top: 2px; }
  .lab-ext { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 8px; }
  .vt { font-size: 12px; padding: 8px 14px; }
  .lab-dia { display: grid; grid-template-columns: repeat(7, 1fr); gap: 5px; }
  .dchip { min-height: 50px; padding: 7px 2px; }
  .dchip .deg { font-size: 10.5px; color: var(--text-faint); font-weight: 600; }
  .dchip.on .deg { color: var(--accent); }
  .dchip .nm { font-size: 13.5px; font-weight: 600; margin-top: 2px; color: var(--text); }
  .lab-opts, .lab-motion { display: none; margin-top: 8px; border: 1px solid var(--border); border-radius: 12px; background: var(--panel); padding: 10px; }
  .lab-opts.on, .lab-motion.on { display: block; }
  .opt-head, .motion-head { display: flex; justify-content: space-between; gap: 10px; margin-bottom: 8px; color: var(--text-dim); font-size: 12px; font-weight: 600; }
  .opt-head .t, .motion-head .t { color: var(--text); }
  .opt-row { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 6px; }
  .motion-row { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 6px; }
  .optchip .nm, .movechip .nm { font-size: 13px; font-weight: 600; line-height: 1.3; color: var(--text); }
  .optchip .src, .movechip .src { font-size: 10.5px; color: var(--text-faint); margin-top: 3px; line-height: 1.25; }
  .lab-readout { margin-top: 16px; border: 1px solid var(--border); border-radius: 14px; padding: 13px 15px; background: var(--panel); display: flex; align-items: center; gap: 14px; min-height: 76px; }
  .ro-badge { flex: 0 0 auto; width: 58px; height: 58px; border-radius: 13px; display: flex; flex-direction: column; align-items: center; justify-content: center; font-weight: 600; }
  .ro-badge .bn { font-size: 19px; line-height: 1; }
  .ro-badge .bd { font-size: 10.5px; margin-top: 3px; }
  .ro-badge.ct { background: var(--ct-bg); color: var(--ct-tx); }
  .ro-badge.t { background: var(--t-bg); color: var(--t-tx); }
  .ro-badge.av { background: var(--av-bg); color: var(--av-tx); }
  .ro-badge.out { background: var(--out-bg); color: var(--out-tx); }
  .ro-badge.idle { background: var(--panel-2); color: var(--text-faint); }
  .ro-head { font-size: 15px; font-weight: 600; }
  .ro-head .ct { color: var(--ct); } .ro-head .t { color: var(--t); } .ro-head .av { color: var(--av); }
  .ro-sub { font-size: 12.5px; color: var(--text-dim); margin-top: 4px; line-height: 1.55; }
  .lab-escape { margin-top: 9px; display: none; flex-wrap: wrap; align-items: center; gap: 6px; border: 1px dashed var(--ct); border-radius: 12px; padding: 10px 12px; }
  .lab-escape .esc-l { flex-basis: 100%; font-size: 11.5px; color: var(--text-dim); font-weight: 600; }
  .lab-escape .esc { cursor: pointer; border: 1px solid var(--ct); background: var(--ct-bg); color: var(--ct-tx); border-radius: 9px; padding: 6px 10px; font-family: inherit; font-size: 13px; font-weight: 600; }
  .lab-escape .esc .er { font-size: 10px; font-weight: 500; opacity: .8; margin-left: 4px; }
  .lab-meta { margin-top: 13px; display: flex; flex-wrap: wrap; gap: 5px 16px; font-size: 12.5px; color: var(--text-dim); }
  .lab-meta .k { color: var(--text-faint); }
  .lab-meta b { color: var(--text); font-weight: 600; }
  .lab-meta .av-tag { color: var(--av); font-weight: 600; }
  .lab-meta .ok-tag { color: var(--t); font-weight: 600; }
  .lab-scaleinfo { margin-top: 10px; border: 1px solid var(--border); border-radius: 11px; background: var(--panel); padding: 9px 12px; font-size: 12px; color: var(--text-dim); line-height: 1.55; display: none; }
  .lab-scaleinfo .si-nm { color: var(--text); font-weight: 600; }
  .staffwrap { margin-top: 13px; border: 1px solid var(--border); border-radius: 13px; background: var(--panel); padding: 12px 12px 6px; }
  .staff-h { font-size: 12.5px; color: var(--text-dim); margin-bottom: 7px; }
  .staff-h b { color: var(--text); font-weight: 600; }
  .staff-row { display: flex; align-items: center; gap: 9px; margin-bottom: 4px; }
  .staff-l { flex: 0 0 50px; font-size: 10.5px; color: var(--text-faint); font-weight: 600; }
  .staff-svg { flex: 1; min-width: 0; }
  .lab-btns { display: flex; gap: 8px; margin: 14px 0 4px; flex-wrap: wrap; }
  .lab-btns .icon-btn { font-size: 13px; padding: 9px 14px; }

  #kb rect.lab-ct.wk { fill: #85B2DE; } #kb rect.lab-ct.bk { fill: #4F7FAE; }
  #kb rect.lab-t.wk { fill: #C5DAEE; } #kb rect.lab-t.bk { fill: #7E9FBE; }
  #kb rect.lab-av.wk { fill: #E89B9B; } #kb rect.lab-av.bk { fill: #B06A6A; }
  #kb rect.lab-out.wk { fill: var(--white-key); } #kb rect.lab-out.bk { fill: var(--black-key); }
  #kb rect.lab-root { stroke: var(--root-mark); stroke-width: 2.5; }
  #kb rect.lab-pressed { stroke: #FFFFFF; stroke-width: 2.5; }
  :root[data-theme="light"] #kb rect.lab-pressed { stroke: #26262A; }

  /* ---------- 鍛える（トレーナービュー） ---------- */
  #viewTrainer { padding-top: 16px; }
  .tr-intro { font-size: 12.5px; color: var(--text-dim); line-height: 1.7; margin: 4px 2px 2px; }
  .tr-levels { display: grid; grid-template-columns: repeat(5, 1fr); gap: 6px; }
  .tr-level .lv { font-size: 10.5px; color: var(--text-faint); font-weight: 600; display: block; }
  .tr-level.on .lv { color: var(--accent); }
  .tr-level .ds { font-size: 12px; font-weight: 600; margin-top: 3px; color: var(--text); display: block; line-height: 1.35; }
  .tr-primary { border-color: var(--accent); color: var(--accent); font-weight: 600; }
  .tr-status { display: flex; gap: 18px; font-size: 12.5px; color: var(--text-dim); margin: 2px 2px 10px; flex-wrap: wrap; }
  .tr-feedback {
    border: 1px solid var(--border); border-radius: 14px; background: var(--panel);
    padding: 14px 16px; text-align: center; min-height: 84px;
    display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 7px;
    cursor: pointer;
  }
  .tr-key-banner { font-size: 15px; font-weight: 600; color: var(--root-mark); letter-spacing: .04em; }
  .tr-fb-main { font-size: 18px; font-weight: 600; line-height: 1.5; }
  .tr-sing { font-size: 13px; color: var(--text-dim); font-weight: 600; }
  .tr-opt-row { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 4px; }
  .tr-cads { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; }
  .tr-level .rate { font-size: 10px; color: var(--text-faint); display: block; margin-top: 2px; }
  .tr-recommend { text-align: center; margin-top: 12px; font-size: 13.5px; font-weight: 600; color: var(--text); }
  .tr-answered { display: flex; gap: 7px; justify-content: center; margin-top: 11px; flex-wrap: wrap; font-size: 14px; font-weight: 600; color: var(--text); }
  .tr-answered .tr-slot { min-width: 36px; text-align: center; padding: 4px 9px; border-radius: 8px; background: var(--panel); border: 1px solid var(--border); }
  .tr-answered .tr-slot.done { border-color: var(--ok); color: var(--ok); }
  .tr-answered .tr-slot.now { border-color: var(--accent); }
  .tr-answered .tr-slot.miss { border-color: var(--accent); color: var(--accent); }
  .tr-answered .tr-slot.rest { color: var(--text-faint); }
  .tr-steps { display: flex; gap: 8px; }
  .tr-step {
    flex: 1; display: flex; align-items: center; gap: 9px;
    border: 1px solid var(--border); border-radius: 11px; background: var(--panel); padding: 11px 12px;
  }
  .tr-step .n {
    flex: 0 0 auto; width: 24px; height: 24px; border-radius: 50%;
    background: var(--panel-2); color: var(--text-dim); font-size: 12.5px; font-weight: 600;
    display: flex; align-items: center; justify-content: center;
  }
  .tr-step .t { font-size: 12.5px; font-weight: 600; color: var(--text); line-height: 1.45; }
  .tr-note { font-size: 11.5px; color: var(--text-faint); margin: 9px 2px 0; line-height: 1.65; }
  .tr-feedback.ok { border-color: var(--ok); }
  .tr-feedback.ok .tr-fb-main { color: var(--ok); }
  .tr-feedback.ng { border-color: var(--accent); }
  .tr-feedback.ng .tr-fb-main { color: var(--accent); }
  .tr-pad { display: grid; grid-template-columns: repeat(auto-fit, minmax(84px, 1fr)); gap: 6px; margin-top: 12px; }
  .tr-key {
    cursor: pointer; border: 1px solid var(--border); background: var(--panel); color: var(--text-dim);
    border-radius: 10px; font-family: inherit; text-align: center; transition: .14s ease;
    padding: 9px 4px; min-height: 56px; touch-action: manipulation;
  }
  .tr-key:hover { border-color: var(--text-faint); transform: translateY(-1px); }
  .tr-key:disabled { cursor: default; opacity: .8; transform: none; }
  .tr-key .en { display: block; font-size: 15px; font-weight: 600; color: var(--text); }
  .tr-key .ka { display: block; font-size: 10.5px; color: var(--text-faint); margin-top: 2px; }
  .tr-key.hit { border-color: var(--ok); }
  .tr-key.hit .en, .tr-key.hit .ka { color: var(--ok); }
  .tr-key.miss { border-color: var(--accent); }
  .tr-key.miss .en, .tr-key.miss .ka { color: var(--accent); }
  .tr-result-rate { font-size: clamp(44px, 8vw, 64px); font-weight: 600; text-align: center; margin-top: 10px; }
  .tr-result-sub { text-align: center; color: var(--text-dim); font-size: 13px; margin-top: 4px; }
  .tr-result-items { max-width: 460px; margin: 18px auto 6px; display: flex; flex-direction: column; gap: 7px; }
  .tr-item { display: flex; align-items: center; gap: 10px; font-size: 12.5px; }
  .tr-item .lb { flex: 0 0 116px; color: var(--text-dim); }
  .tr-item .bar { display: block; flex: 1; height: 10px; border-radius: 6px; background: var(--panel-2); overflow: hidden; }
  .tr-item .fill { display: block; height: 10px; background: var(--ok); border-radius: 6px; }
  .tr-item .ct { flex: 0 0 44px; text-align: right; color: var(--text-dim); }

  @media (max-width: 560px) {
    .lab-grid { grid-template-columns: repeat(4, 1fr); }
    .lab-dia { grid-template-columns: repeat(4, 1fr); }
    .tr-levels { grid-template-columns: repeat(2, 1fr); }
    .tr-pad { grid-template-columns: repeat(4, 1fr); }
    .tr-steps { flex-direction: column; gap: 6px; }
    .tr-step { padding: 9px 12px; }
    .opt-row { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .motion-row { grid-template-columns: 1fr; }
  }
  @media (max-width: 640px) {
    .bar { padding: 10px 0; row-gap: 8px; }
    .bar-left { width: 100%; justify-content: space-between; gap: 8px; }
    .bar-right { width: 100%; justify-content: space-between; gap: 8px; }
    .view-tabs button { padding: 5px 12px; }
    #device { max-width: 44vw; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
    .app { padding: 0 14px 20px; }
    .foot { flex-direction: column; align-items: flex-start; gap: 6px; }
    .hint { text-align: left; }
    /* 縦に長い「学ぶ」「鍛える」でも常に鍵盤へ触れられるよう画面下部に張り付かせる */
    #kbWrap {
      position: sticky; bottom: 0; z-index: 5;
      box-shadow: 0 -6px 22px rgba(0, 0, 0, .14);
      padding-bottom: calc(8px + env(safe-area-inset-bottom));
    }
    /* 鍵盤が下部固定になったためレイアウトシフト対策の確保余白は不要。表示を詰めて密度を上げる */
    .stage { padding: 12px 0 0; min-height: 0; }
    #chordName.idle { font-size: clamp(40px, 11vw, 60px); }
    #reading { margin-top: 7px; }
    #badges { min-height: 0; margin-top: 10px; }
    #badges:empty { margin-top: 0; }
    #interps { margin: 10px 0 12px; min-height: 0; }
    .tr-status { margin-bottom: 8px; gap: 12px; }
    .tr-feedback { min-height: 72px; padding: 12px 14px; gap: 5px; }
    .tr-fb-main { font-size: 16.5px; }
    .tr-pad { margin-top: 10px; }
  }
  /* タッチ端末: タップターゲットを44px相当に拡大し、誤操作の元になる装飾を抑える */
  button, select { touch-action: manipulation; -webkit-tap-highlight-color: transparent; }
  @media (pointer: coarse) {
    .view-tabs button, .tab, .icon-btn, select, .vt, .lab-chip, .optchip, .movechip, .esc, .brand { min-height: 44px; }
    .dchip, .tr-level { min-height: 56px; }
  }
  @media (hover: none) {
    .lab-chip:hover, .vt:hover, .dchip:hover, .optchip:hover, .movechip:hover, .tr-key:hover { transform: none; }
  }

/* 配信モード中の「通常表示に戻る」ボタン。普段は透明で、マウスを乗せたときだけ見える
   （OBSのブラウザソースにはカーソルが乗らないため配信画面には映らない） */
#streamExit {
  position: fixed; top: 10px; left: 10px; z-index: 50;
  background: rgba(30, 30, 35, .85); color: #F2F2F5; border: 1px solid rgba(255, 255, 255, .3);
  border-radius: 8px; font-size: 12px; padding: 8px 13px; cursor: pointer; font-family: inherit;
  opacity: 0; transition: opacity .2s;
}
#streamExit:hover, #streamExit:focus-visible { opacity: 1; }
@media (pointer: coarse) { #streamExit { opacity: .35; } }