:root{font-family:system-ui,-apple-system,'Noto Sans JP',sans-serif;color-scheme:dark;--bg:#0e1524;--panel:#1b273b;--text:#f5f7ff;--muted:#a7b5cb;--border:#34435c;--accent:#67a6ff;--btn:#387ef4}body.light{color-scheme:light;--bg:#f3f6fc;--panel:#fff;--text:#15253e;--muted:#586980;--border:#d5dfeb;--accent:#2563eb;--btn:#2563eb}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}button,input,select{font:inherit}button{cursor:pointer;border:0;border-radius:12px;background:var(--btn);color:#fff;padding:13px 17px;font-weight:650}button:disabled{opacity:.45;cursor:not-allowed}button.secondary{background:transparent;border:1px solid var(--border);color:var(--text)}button.link{background:transparent;color:var(--accent);padding:12px 0}h1{font-size:clamp(22px,5vw,30px);margin:4px 0 8px}h2{font-size:18px;margin:0 0 16px}.muted{color:var(--muted)}.small{font-size:12px;line-height:1.6}.shell{max-width:950px;margin:auto;padding:16px 16px 24px}header{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:6px 0 22px}.brand{font-weight:800;letter-spacing:.05em;color:var(--accent)}.head-actions{display:flex;gap:8px}.head-actions button{font-size:12px;padding:9px}nav{display:flex;gap:7px;overflow:auto;padding:0 0 20px}nav button{white-space:nowrap;background:var(--panel);color:var(--muted);padding:11px 14px}nav button.active{background:var(--btn);color:#fff}.panel{background:var(--panel);border:1px solid var(--border);border-radius:18px;padding:22px;margin:18px 0}.auth{max-width:470px;margin:30px auto}label{display:block;font-size:14px;font-weight:600;margin:16px 0}input,select{display:block;width:100%;margin-top:8px;padding:13px;border:1px solid var(--border);border-radius:10px;background:var(--bg);color:var(--text)}form button{width:100%;margin-top:12px}.hidden{display:none!important}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.stats .panel{margin:8px 0;padding:16px}.stats strong{display:block;font-size:24px;margin-top:8px}.tiles{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:16px}.tiles button{text-align:left;background:var(--panel);border:1px solid var(--border);color:var(--text);min-height:108px;font-size:17px}.tiles span{display:block;color:var(--muted);font-size:12px;font-weight:400;margin-top:10px}.center{text-align:center}.note{font-size:clamp(56px,15vw,96px);font-weight:800;line-height:1.3;color:var(--accent)}.meter{font-size:24px;font-weight:700;margin:12px 0}canvas{width:100%;height:auto;background:var(--bg);border-radius:12px;margin:12px 0}.range-stats{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:25px 0}.range-stats>div{padding:18px;border:1px solid var(--border);border-radius:12px}.range-stats strong{display:block;font-size:32px;color:var(--accent);margin-top:10px}.progress{height:12px;background:var(--bg);border-radius:20px;overflow:hidden;margin:22px 0}.progress div{height:100%;width:0;background:#4ade80;transition:width .12s}.score{font-size:34px;font-weight:800;margin:14px}.record{border-bottom:1px solid var(--border);padding:13px 0;display:flex;justify-content:space-between;gap:10px}.record:last-child{border:0}footer{text-align:center;font-size:12px;color:var(--muted);padding:25px}#toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);background:var(--text);color:var(--bg);padding:12px 18px;border-radius:12px;display:none;max-width:90vw;z-index:10}@media(max-width:540px){.shell{padding:12px}.panel{padding:17px}.tiles{grid-template-columns:1fr 1fr}.tiles button{font-size:14px;padding:14px}.stats strong{font-size:19px}.stats .panel{padding:12px}.stats .muted{font-size:12px}}


/* VOICE TRAINER v1.4 mobile layout */
html { -webkit-text-size-adjust: 100%; }
button, select, input { touch-action: manipulation; }
button:focus-visible, select:focus-visible, input:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.panel, .tiles, .stats, .range-stats { min-width: 0; }
.record { overflow-wrap: anywhere; }
canvas { display: block; max-width: 100%; }
@media (max-width: 700px) {
  .shell { padding: 12px 12px calc(94px + env(safe-area-inset-bottom, 0px)); }
  header { padding-bottom: 12px; }
  .brand { font-size: 15px; }
  .panel { margin: 12px 0; padding: 16px; border-radius: 15px; }
  #app nav {
    position: fixed; z-index: 20; left: 0; right: 0; bottom: 0;
    display: grid; grid-template-columns: repeat(5, minmax(0,1fr));
    gap: 3px; padding: 8px 6px calc(8px + env(safe-area-inset-bottom, 0px));
    background: var(--panel); border-top: 1px solid var(--border);
    overflow: visible; box-shadow: 0 -6px 22px rgba(0,0,0,.15);
  }
  #app nav button { white-space: normal; overflow-wrap: anywhere; font-size: 11px; line-height: 1.35; min-width: 0; min-height: 46px; padding: 8px 2px; border-radius: 9px; }
  .stats { gap: 7px; }
  .stats .panel { padding: 10px; }
  .stats strong { font-size: clamp(16px, 4.8vw, 23px); overflow-wrap: anywhere; }
  .stats .muted { font-size: 11px; }
  .tiles { gap: 9px; }
  .tiles button { min-width: 0; min-height: 96px; font-size: 14px; padding: 12px; }
  .range-stats { gap: 8px; }
  .range-stats>div { padding: 12px; min-width: 0; }
  .range-stats strong { font-size: clamp(23px, 7vw, 32px); }
  .note { font-size: clamp(54px, 17vw, 90px); }
  .meter { font-size: 21px; }
  #pitchCanvas { max-height: 220px; }
  #historyCanvas { max-height: 260px; }
  #pitchToggle, #rangeToggle, #trainingStart { min-height: 48px; }
  #toast { bottom: calc(84px + env(safe-area-inset-bottom, 0px)); }
  footer { padding-bottom: 6px; }
}
@media (max-width: 360px) {
  .shell { padding-left: 8px; padding-right: 8px; }
  .panel { padding: 12px; }
  #app nav button { font-size: 10px; }
  .tiles { grid-template-columns: 1fr; }
  .tiles button { min-height: 70px; }
}


/* VT_V141_PITCH_MOBILE */
@media (max-width: 700px) {
  /* HTMLやJSを移動せず、スマホだけ表示順を調整 */
  #pitch > .panel.center {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }
  #pitch > .panel.center > .muted:first-child { order: 0; }
  #pitch > .panel.center > #note { order: 1; }
  #pitch > .panel.center > #hz { order: 2; }
  #pitch > .panel.center > #cents { order: 3; }
  #pitch > .panel.center > #pitchToggle {
    order: 4;
    display: block;
    width: 100%;
    margin: 12px 0 4px;
    min-height: 52px;
  }
  #pitch > .panel.center > #pitchSave {
    order: 5;
    display: block;
    width: 100%;
    margin: 6px 0 12px;
    min-height: 44px;
  }
  #pitch > .panel.center > #pitchCanvas {
    order: 6;
    width: 100%;
    height: auto;
    max-height: 155px;
    margin: 8px 0;
  }
  #pitch > .panel.center > #pitchCanvas + p { order: 7; margin: 5px 0 10px; }
  #pitch > .panel.center > .vt-mic-panel { order: 8; width: 100%; margin: 8px 0 0 !important; }
}