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10px;font-size:13px;line-height:18px}.site-header__lang:hover{background:var(--color-surface-secondary);color:var(--color-text)}.lang-hint{justify-content:flex-end;max-width:880px;margin:0 auto;padding:4px 16px 0;display:flex}.lang-hint__pill{border:1px solid var(--color-border-subtle);border-radius:var(--radius-full);background:var(--color-surface);align-items:center;gap:4px;padding:4px 4px 4px 12px;font-size:13px;display:inline-flex}.lang-hint a{color:var(--color-text);font-weight:500}.lang-hint button{border-radius:var(--radius-full);width:24px;height:24px;color:var(--color-text-tertiary);cursor:pointer;place-items:center;display:grid}.lang-hint svg{width:14px;height:14px}.page{max-width:880px;margin:0 auto;padding:8px 16px 40px}.page__prose{max-width:720px;margin-top:56px}.page__prose .faq h3{margin-top:20px;font-size:16px}.hub-hero{padding:48px 0 32px}.hub-hero__title{letter-spacing:-.02em;word-break:keep-all;max-width:720px;font-size:40px;font-weight:650;line-height:1.2}.hub-hero__lead{max-width:600px;color:var(--color-text-secondary);word-break:keep-all;margin-top:12px;font-size:17px;line-height:1.6}.hub-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:0;padding:0;list-style:none;display:grid}.hub-card{border:1px solid var(--color-border);border-radius:var(--radius-xl);background:var(--color-surface);height:100%;transition:background-color .15s var(--ease-standard), border-color .15s var(--ease-standard);flex-direction:column;gap:6px;padding:20px;display:flex}.hub-card:hover{border-color:var(--color-border-strong);background:var(--color-surface-secondary)}.hub-card__title{word-break:keep-all;font-size:18px;font-weight:600;line-height:1.35}.hub-card__desc{color:var(--color-text-secondary);word-break:keep-all;font-size:14px;line-height:1.5}.related{margin-top:48px}.related__title{margin-bottom:12px;font-size:17px;font-weight:600}.tool-head{padding:32px 0 20px}.tool-head__back{color:var(--color-text-tertiary);font-size:14px}.tool-head__back:hover{color:var(--color-text)}.tool-head__title{letter-spacing:-.02em;word-break:keep-all;margin-top:6px;font-size:32px;font-weight:650;line-height:1.25}.tool-head__lead{max-width:640px;color:var(--color-text-secondary);word-break:keep-all;margin-top:8px;font-size:16px;line-height:1.6}.tool-panel{border:1px solid var(--color-border);border-radius:var(--radius-2xl);background:var(--color-surface);flex-direction:column;gap:16px;padding:20px;display:flex}.tool-row{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.tool-row--between{justify-content:space-between}.tool-stats{border:1px solid var(--color-border-subtle);border-radius:var(--radius-lg);background:var(--color-border-subtle);grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:1px;display:grid;overflow:hidden}.tool-stat{background:var(--color-surface);padding:12px 14px}.tool-stat__label{color:var(--color-text-tertiary);font-size:12px;line-height:16px}.tool-stat__value{font-variant-numeric:tabular-nums;margin-top:2px;font-size:20px;font-weight:600;line-height:28px}.tool-big{letter-spacing:-.03em;font-variant-numeric:tabular-nums;text-align:center;font-size:clamp(48px,12vw,96px);font-weight:700;line-height:1}.tool-note{color:var(--color-text-tertiary);word-break:keep-all;font-size:13px;line-height:1.5}.tool-error{color:var(--color-text-danger-soft);font-size:14px;line-height:1.5}.tool-drop{border:1.5px dashed var(--color-border-strong);border-radius:var(--radius-xl);min-height:180px;color:var(--color-text-secondary);text-align:center;cursor:pointer;transition:background-color .15s var(--ease-standard), border-color .15s var(--ease-standard);flex-direction:column;justify-content:center;align-items:center;gap:8px;padding:24px;display:flex}.tool-drop[data-active]{border-color:var(--color-text);background:var(--color-surface-secondary)}.tool-canvas{border-radius:var(--radius-lg);background:var(--color-surface-secondary);width:100%;display:block}.tool-list{flex-direction:column;margin:0;padding:0;list-style:none;display:flex}.tool-list>li{border-top:1px solid var(--color-border-subtle);justify-content:space-between;align-items:center;gap:12px;padding:10px 0;font-size:14px;display:flex}.tool-list>li:first-child{border-top:0}.tool-meter{border-radius:var(--radius-full);background:var(--color-surface-secondary);height:10px;position:relative;overflow:hidden}.tool-meter>span{border-radius:inherit;background:var(--color-text);transition:width 80ms linear;position:absolute;inset:0 auto 0 0}.ad-slot{margin:32px 0 0}.ad-slot:has(ins[data-ad-status=unfilled]){display:none}.site-footer{border-top:1px solid var(--color-border-subtle);max-width:880px;margin:64px auto 0;padding:32px 16px 64px}.site-footer__title{color:var(--color-text-tertiary);margin-bottom:12px;font-size:13px}.site-footer__sites{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:0;padding:0;list-style:none;display:grid}.site-footer__sites a{color:var(--color-text-secondary);flex-direction:column;gap:4px;font-size:13px;line-height:1.5;display:flex}.site-footer__sites a .wordmark{color:var(--color-text);font-size:13px}.site-footer__sites a:hover .wordmark{text-decoration:underline}.site-footer__links{color:var(--color-text-tertiary);gap:20px;margin-top:28px;font-size:13px;display:flex}.site-footer__links a:hover{color:var(--color-text)}@media (max-width:720px){.hub-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:640px){.hub-hero{padding:32px 0 24px}.hub-hero__title{font-size:30px}.hub-grid,.site-footer__sites{grid-template-columns:minmax(0,1fr)}.tool-head{padding:20px 0 16px}.tool-head__title{font-size:26px}.tool-panel{padding:16px}}
.check-start{text-align:center;flex-direction:column;align-items:center;gap:12px;padding:28px 0 20px;display:flex}.check-status{color:var(--color-text-secondary);align-items:center;gap:8px;font-size:14px;line-height:20px;display:flex}.check-status:before{content:"";border-radius:var(--radius-full);background:var(--color-text-tertiary);flex-shrink:0;width:8px;height:8px}.check-status[data-tone=ok]:before{background:var(--color-text-success-soft)}.check-toolbar{align-items:flex-end;gap:12px}.check-toolbar>.check-field{flex:200px}.check-toolbar__end{margin-left:auto}.check-field{flex-direction:column;gap:6px;min-width:0;display:flex}.check-field__label{color:var(--color-text-tertiary);font-size:12px;line-height:16px}.check-field__control{--input-size:var(--control-size-lg);width:100%;min-width:0;max-width:100%}.check-sub{border-top:1px solid var(--color-border-subtle);flex-direction:column;gap:12px;padding-top:16px;display:flex}.check-sub__title{font-size:16px;font-weight:600;line-height:24px}.check-seg{max-width:100%}.check-seg .ds-segmented__option[data-state=on]{background:var(--segmented-control-thumb-background);box-shadow:var(--segmented-control-thumb-shadow)}.check-stepper{align-items:center;gap:8px;display:flex}.check-stepper__value{font-variant-numeric:tabular-nums;text-align:center;min-width:64px;font-size:16px;font-weight:600}.check-range{width:100%;height:24px;accent-color:var(--color-text);cursor:pointer}.tool-stat__value[data-hot]{color:var(--color-text-danger-soft)}.check-wave{height:140px}.check-meter{flex-direction:column;gap:6px;display:flex}.check-meter__track{border-radius:var(--radius-full);background:var(--color-surface-secondary);height:12px;box-shadow:inset 0 0 0 1px var(--color-border-subtle);position:relative;overflow:hidden}.check-meter__fill{background:var(--color-text);transform-origin:0;position:absolute;inset:0;transform:scaleX(0)}.check-meter__hold{background:var(--color-text-secondary);width:2px;margin-left:-1px;position:absolute;top:0;bottom:0;left:0}.check-meter__hold[data-hot=true]{background:var(--color-text-danger-soft)}.check-meter__scale{color:var(--color-text-tertiary);font-variant-numeric:tabular-nums;justify-content:space-between;font-size:11px;line-height:14px;display:flex}.check-rec{align-items:center;gap:12px;display:flex}.check-rec__bar{flex:1}.check-rec__bar>span{transform-origin:0;width:100%;animation:5s linear forwards check-fill}.check-rec__left{min-width:72px;color:var(--color-text-secondary);font-variant-numeric:tabular-nums;text-align:right;font-size:14px}@keyframes check-fill{0%{transform:scaleX(0)}to{transform:scaleX(1)}}.check-video{aspect-ratio:16/9;border-radius:var(--radius-xl);background:var(--black);width:100%;max-height:min(70vh,640px);position:relative;overflow:hidden}.check-video video{object-fit:contain;width:100%;max-width:none;height:100%}.check-video[data-mirror] video{transform:scaleX(-1)}.check-shot{flex-direction:column;gap:8px;margin:0;display:flex}.check-shot img{object-fit:contain;border-radius:var(--radius-lg);background:var(--color-surface-secondary);width:100%;height:auto;max-height:360px}.check-kb-area{border-radius:var(--radius-xl);cursor:default;-webkit-user-select:none;user-select:none;transition:box-shadow .15s var(--ease-standard);padding:4px;container-type:inline-size}.check-kb-area[data-focused]{box-shadow:0 0 0 1px var(--color-border-strong)}.check-kb{--W:23;width:100%;aspect-ratio:var(--W) / 6.5;position:relative}.check-key{left:calc(var(--x) / var(--W) * 100%);top:calc(var(--y) / 6.5 * 100%);width:calc(var(--w) / var(--W) * 100%);height:calc(var(--h) / 6.5 * 100%);padding:clamp(1px,.3cqw,3px);position:absolute}.check-key__cap{border:1px solid var(--color-border);background:var(--color-surface);width:100%;height:100%;color:var(--color-text-secondary);font-size:clamp(7px, calc(100cqw / var(--W) * .28), 12px);white-space:nowrap;border-radius:clamp(3px,.6cqw,6px);justify-content:center;align-items:center;font-weight:500;line-height:1.1;transition:background-color 80ms linear,border-color 80ms linear,color 80ms linear;display:flex;overflow:hidden}.check-key[data-tested] .check-key__cap{border-color:var(--color-border-success-outline);background:var(--color-background-success-surface);color:var(--color-text-success-soft)}.check-key[data-down] .check-key__cap{border-color:var(--color-background-primary-solid);background:var(--color-background-primary-solid);color:var(--color-text-inverse)}.check-key__short{display:none}@container (max-width:639px){.check-kb{--W:18.5}.check-key[data-block=pad]{display:none}}@container (max-width:519px){.check-key__long{display:none}.check-key__short{display:inline}}.check-kb-last{border-radius:var(--radius-lg);background:var(--color-surface-secondary);min-height:48px;padding:12px 14px}.check-kb-last__list{flex-wrap:wrap;gap:8px 24px;margin:0;display:flex}.check-kb-last__list>div{align-items:baseline;gap:8px;min-width:0;display:flex}.check-kb-last__list dt{color:var(--color-text-tertiary);font-family:var(--font-mono);font-size:12px}.check-kb-last__list dd{font-family:var(--font-mono);overflow-wrap:anywhere;margin:0;font-size:16px;font-weight:600}.check-kb-last__empty{color:var(--color-text-tertiary);font-size:14px;line-height:24px}.check-legend{color:var(--color-text-secondary);flex-wrap:wrap;gap:8px 16px;margin:0;padding:0;font-size:13px;line-height:18px;list-style:none;display:flex}.check-legend li{align-items:center;gap:6px;display:flex}.check-legend li:before{content:"";border:1px solid var(--color-border);background:var(--color-surface);border-radius:4px;width:14px;height:14px}.check-legend li[data-state=down]:before{border-color:var(--color-background-primary-solid);background:var(--color-background-primary-solid)}.check-legend li[data-state=tested]:before{border-color:var(--color-border-success-outline);background:var(--color-background-success-surface)}.check-other{flex-direction:column;gap:8px;display:flex}.check-chips{flex-wrap:wrap;gap:6px;margin:0;padding:0;list-style:none;display:flex}.check-steps{flex-direction:column;gap:8px;margin:0;padding-left:22px;font-size:15px;line-height:1.6;list-style:decimal;display:flex}.check-steps li::marker{color:var(--color-text-tertiary)}.check-swatches{flex-wrap:wrap;gap:6px;margin:0;padding:0;list-style:none;display:flex}.check-swatches li{border-radius:var(--radius-md);width:28px;height:28px;box-shadow:inset 0 0 0 1px var(--color-border)}.check-px{z-index:1000;touch-action:manipulation;cursor:pointer;display:none;position:fixed;inset:0}.check-px[data-on],.check-px:fullscreen{display:block}.check-px:focus{outline:none}.check-px:not([data-awake]){cursor:none}.check-px__bar{left:50%;bottom:max(24px, env(safe-area-inset-bottom));border:1px solid color-mix(in srgb, var(--white) 18%, transparent);border-radius:var(--radius-2xl);background:color-mix(in srgb, var(--black) 78%, transparent);width:max-content;max-width:calc(100% - 32px);color:var(--white);cursor:default;transition:opacity .3s var(--ease-standard);flex-wrap:wrap;justify-content:center;align-items:center;gap:8px 12px;padding:10px 12px 10px 16px;font-size:14px;line-height:20px;display:flex;position:absolute;transform:translate(-50%)}.check-px:not([data-awake]) .check-px__bar{opacity:0;pointer-events:none}.check-px__label{font-variant-numeric:tabular-nums;font-weight:600}.check-px__help{color:color-mix(in srgb, var(--white) 70%, transparent)}.check-px__actions{gap:4px;display:flex}.check-px__actions button{border-radius:var(--radius-full);background:color-mix(in srgb, var(--white) 14%, transparent);color:var(--white);padding:6px 12px;font-size:13px;font-weight:500}.check-px__actions button:hover{background:color-mix(in srgb, var(--white) 24%, transparent)}.check-px__actions button:focus-visible{outline:2px solid var(--white);outline-offset:2px}.check-strings{gap:8px;display:flex}.check-string{border:1px solid var(--color-border);border-radius:var(--radius-lg);background:var(--color-surface);min-width:0;max-width:96px;color:var(--color-text);transition:var(--transition-colors);flex-direction:column;flex:1 1 0;align-items:center;gap:2px;padding:8px 4px;display:flex}.check-string:hover{background:var(--color-surface-secondary)}.check-string[aria-pressed=true]{box-shadow:inset 0 0 0 2px var(--color-text)}.check-string[data-tuned]{border-color:var(--color-border-success-outline)}.check-string[data-active]{border-color:var(--color-background-primary-solid);background:var(--color-background-primary-solid);color:var(--color-text-inverse)}.check-string__note{font-size:16px;font-weight:600;line-height:22px}.check-string__flag{min-height:14px;color:var(--color-text-tertiary);font-size:11px;line-height:14px}.check-string[data-tuned] .check-string__flag{color:var(--color-text-success-soft)}.check-string[data-active] .check-string__flag{color:inherit}.check-tuner__display{flex-direction:column;align-items:center;gap:4px;padding:8px 0;display:flex}.check-tuner__note{color:var(--color-text);letter-spacing:-.03em;transition:color .15s var(--ease-standard);justify-content:center;align-items:baseline;gap:2px;font-size:clamp(64px,18vw,112px);font-weight:700;line-height:1;display:flex}.check-tuner__octave{color:var(--color-text-secondary);font-size:.4em;font-weight:600}.check-tuner__display[data-state=off] .check-tuner__note{color:var(--color-text-tertiary)}.check-tuner__display[data-state=in] .check-tuner__note{color:var(--color-text-success-soft)}.check-tuner__meta{color:var(--color-text-secondary);font-variant-numeric:tabular-nums;gap:16px;font-size:15px;line-height:22px;display:flex}.check-gauge{width:100%;max-width:420px;height:auto;overflow:visible}.check-gauge__arc{fill:none;stroke:var(--color-text-tertiary);stroke-width:1.5px;opacity:.6}.check-gauge__zone{fill:none;stroke:var(--color-text-success-soft);stroke-width:8px;stroke-linecap:round;opacity:.35;transition:opacity .2s var(--ease-standard)}.check-gauge__tick{stroke:var(--color-text-tertiary);stroke-width:1.25px}.check-gauge__tick[data-major]{stroke:var(--color-text-secondary);stroke-width:2px}.check-gauge__label{fill:var(--color-text-tertiary);font-family:var(--font-sans);font-size:10px}.check-gauge__needle line{stroke:var(--color-text);stroke-width:3px;stroke-linecap:round}.check-gauge__needle circle{fill:var(--color-text)}.check-tuner__display[data-state=off] .check-gauge__needle{opacity:.35}.check-tuner__display[data-state=in] .check-gauge__zone{opacity:1}.check-tuner__display[data-state=in] .check-gauge__needle line{stroke:var(--color-text-success-soft)}.check-tuner__display[data-state=in] .check-gauge__needle circle{fill:var(--color-text-success-soft)}.check-tuner__status{min-height:24px;color:var(--color-text-secondary);font-size:16px;font-weight:600;line-height:24px}.check-tuner__display[data-state=in] .check-tuner__status{color:var(--color-text-success-soft)}.check-metro__tempo{justify-content:center;align-items:center;gap:16px;display:flex}.check-metro__bpm{flex-direction:column;align-items:center;min-width:3.2ch;display:flex}.check-metro__bpm .tool-big{min-width:3ch}.check-metro__unit{color:var(--color-text-tertiary);letter-spacing:.08em;font-size:13px;line-height:18px}.check-beats{flex-wrap:wrap;justify-content:center;gap:8px;display:flex}.check-beat{border-radius:var(--radius-full);background:var(--color-surface-secondary);width:40px;height:40px;box-shadow:inset 0 0 0 1px var(--color-border);justify-content:center;align-items:flex-end;padding-bottom:7px;display:flex}.check-beat[data-accent]{box-shadow:inset 0 0 0 2px var(--color-text-secondary)}.check-beat[data-on]{background:var(--color-text)}.check-beat[data-on][data-accent]{background:var(--color-text-info);box-shadow:none}.check-beat__subs{gap:3px;display:flex}.check-beat__subs span{border-radius:var(--radius-full);background:var(--color-text-tertiary);opacity:.6;width:4px;height:4px}.check-beat__subs span:only-child{display:none}.check-beat[data-on] .check-beat__subs span[data-on]{background:var(--color-text-inverse);opacity:1}.check-metro__actions{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;display:grid}.check-metro__hint{text-align:center;min-height:20px}.check-settings{border-top:1px solid var(--color-border-subtle);grid-template-columns:repeat(2,minmax(0,1fr));align-items:end;gap:20px 24px;padding-top:16px;display:grid}@media (max-width:640px){.check-wave{height:112px}.check-settings{grid-template-columns:minmax(0,1fr)}.check-beat{width:32px;height:32px;padding-bottom:5px}.check-px__help{display:none}}@media (prefers-reduced-motion:reduce){.check-key__cap,.check-kb-area,.check-px__bar,.check-tuner__note,.check-gauge__zone,.check-string{transition:none}}