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p{font-size:13px}._tutorialGrid_1gt4u_38{grid-template-columns:repeat(2,minmax(0,1fr))}._getStarted_1gt4u_33{margin-top:56px}._listening_1gt4u_35{grid-template-columns:minmax(0,1fr);margin-top:56px}._continue_1gt4u_35{margin-block:56px 32px}}@media(max-width:480px){._tutorialGrid_1gt4u_38{grid-template-columns:minmax(0,1fr)}._actions_1gt4u_7{flex-direction:column;align-items:stretch}._heroCopy_1gt4u_4 ._openNote_1gt4u_9{font-size:11px}._demo_1gt4u_11{padding:24px 20px}._demo_1gt4u_11 h2{font-size:22px}._demoLink_1gt4u_24{font-size:11px}._sectionHeading_1gt4u_34{margin-bottom:20px;gap:8px}._tutorialCard_1gt4u_40 p{font-size:14px}._listening_1gt4u_35,._continue_1gt4u_35{padding:28px 20px}._continueActions_1gt4u_54{align-items:stretch;width:100%}._continueActions_1gt4u_54 ._textLink_1gt4u_37{justify-content:center}}._quiz_52exn_1{gap:24px}._question_52exn_2{min-width:0;padding:32px;border-radius:16px;box-shadow:var(--shadow-card)}._questionHeading_52exn_3{margin:0;font-size:24px;font-weight:700;line-height:1.5;letter-spacing:-.025em}._optionContent_52exn_4{display:flex;align-items:center;flex:1;min-width:0;gap:16px}._answerLetter_52exn_5{display:inline-flex;align-items:center;justify-content:center;flex:0 0 32px;width:32px;height:32px;border-radius:8px;background:var(--color-surface-container-low);color:var(--color-on-surface);font-size:13px;font-weight:700}._answer_52exn_5{min-width:0}._answer_52exn_5[data-selected=true] ._answerLetter_52exn_5,._answer_52exn_5[data-answer-state=correct] ._answerLetter_52exn_5{background:var(--color-secondary);color:var(--color-on-secondary)}._notationAnswer_52exn_8{flex-direction:column-reverse;align-items:stretch;gap:0;padding:12px}._notationAnswer_52exn_8>span[aria-hidden]{align-self:flex-end}._notationAnswer_52exn_8 ._optionContent_52exn_4{flex-direction:column;align-items:stretch}._notationAnswer_52exn_8 ._answerLetter_52exn_5{align-self:flex-start}._question_52exn_2 [role=status]{color:var(--color-on-surface);border:1px solid var(--color-outline-variant)}._progress_52exn_13{display:flex;flex-direction:column;gap:16px;padding:24px;background:var(--color-surface-container-lowest);border-radius:16px;box-shadow:var(--shadow-card)}._progress_52exn_13>div{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}._progress_52exn_13 strong{font-size:16px}._progress_52exn_13 span{color:var(--color-on-surface-variant);font-size:14px}._progress_52exn_13 progress{display:block;width:100%;height:8px;-webkit-appearance:none;-moz-appearance:none;appearance:none;border:none;border-radius:4px;background:var(--color-outline-variant);overflow:hidden}._progress_52exn_13 progress::-webkit-progress-bar{background:var(--color-outline-variant)}._progress_52exn_13 progress::-webkit-progress-value{background:var(--color-secondary)}._progress_52exn_13 progress::-moz-progress-bar{background:var(--color-secondary)}@media(max-width:700px){._question_52exn_2{padding:20px}._questionHeading_52exn_3{font-size:20px;line-height:1.4}}@media(min-width:640px){._notationAnswer_52exn_8{flex-direction:row;align-items:center;gap:12px;padding:0 12px}._notationAnswer_52exn_8>span[aria-hidden]{align-self:center}._notationAnswer_52exn_8 ._optionContent_52exn_4{flex-direction:row;align-items:center}}@media(prefers-reduced-motion:reduce){._answer_52exn_5{transition:none}}@media print{._progress_52exn_13{display:none}}._button_19qtu_1{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:12px 20px;border:0;border-radius:12px;font:inherit;font-size:14px;font-weight:600;line-height:20px;text-align:center;text-decoration:none;cursor:pointer;transition:background-color .18s,box-shadow .18s,border-color .18s}._primary_19qtu_7{background:var(--control-primary, var(--color-secondary));color:var(--control-on-primary, var(--color-on-secondary));box-shadow:var(--shadow-control)}._secondary_19qtu_8{background:var(--control-surface, var(--color-surface-container-lowest));color:var(--control-text, var(--color-on-surface));box-shadow:var(--shadow-control)}._quiet_19qtu_9{padding-inline:12px;background:transparent;color:var(--control-muted, var(--color-on-surface-variant))}._compact_19qtu_10{min-height:44px;padding:8px 16px;border-radius:8px}._button_19qtu_1:disabled{cursor:not-allowed;opacity:.45;box-shadow:none}._button_19qtu_1:focus-visible,._choice_19qtu_12:focus-visible,._filter_19qtu_12:focus-visible{outline:3px solid var(--control-primary, var(--color-secondary));outline-offset:4px}._filter_19qtu_12{padding:8px 14px;border-radius:8px;background:var(--color-surface-container-high);color:var(--color-on-surface-variant);font-size:12px;line-height:16px}._filter_19qtu_12[aria-pressed=true]{background:var(--color-cl-primary);color:var(--color-on-primary)}._choice_19qtu_12{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;min-height:52px;padding:16px;border:1px solid var(--control-outline, var(--color-outline-variant));border-radius:12px;background:var(--control-surface, var(--color-surface-container-lowest));color:var(--control-text, var(--color-on-surface));font:inherit;font-size:15px;line-height:24px;text-align:left;cursor:pointer;transition:background-color .18s,border-color .18s}._choice_19qtu_12[aria-pressed=true],._choice_19qtu_12[data-answer-state=correct]{background:var(--color-secondary-container);border-color:var(--color-secondary);color:var(--color-on-secondary-fixed)}._choice_19qtu_12[data-answer-state=incorrect]{border-color:var(--color-coral);background:var(--control-surface, var(--color-surface-container-low));color:var(--control-text, var(--color-on-surface))}._choice_19qtu_12:disabled{cursor:default}._marker_19qtu_25{display:flex;align-items:center;justify-content:center;flex:0 0 20px;width:20px;height:20px;border:1.5px solid currentColor;border-radius:50%}._marker_19qtu_25>span{width:8px;height:8px;background:currentColor;border-radius:50%}._field_19qtu_27{width:100%;min-height:48px;padding:12px 16px;border:1px solid var(--color-outline-variant);border-radius:var(--radius-control);background:var(--color-surface-container-lowest);color:var(--color-on-surface);font:inherit;font-size:16px;font-weight:400;line-height:24px}._field_19qtu_27:focus-visible{outline:3px solid var(--color-secondary);outline-offset:3px}._field_19qtu_27:disabled{opacity:.55;cursor:not-allowed}@media(hover:hover){._primary_19qtu_7:not(:disabled):hover{background:var(--control-primary-hover, var(--color-secondary-hover));box-shadow:var(--shadow-raised)}._secondary_19qtu_8:not(:disabled):hover,._quiet_19qtu_9:not(:disabled):hover{background:var(--control-hover, var(--color-surface-container-high))}._filter_19qtu_12[aria-pressed=false]:hover{background:var(--color-surface-container-highest);color:var(--color-on-surface)}._choice_19qtu_12:not(:disabled):not([aria-pressed=true]):hover{border-color:var(--control-primary, var(--color-secondary));background:var(--control-hover, var(--color-surface-container-low))}}@media(prefers-reduced-motion:reduce){._button_19qtu_1,._choice_19qtu_12{transition:none}}._actions_1g3in_1{display:flex;flex-wrap:wrap;gap:12px;margin-block:20px}._small_1g3in_2{font-size:13px}._selection_1g3in_3{margin-top:24px;padding-top:20px;border-top:1px solid var(--color-outline-variant)}._filename_1g3in_4{overflow-wrap:anywhere;font-weight:600}._photo_1g3in_5{display:block;max-width:100%;max-height:600px;width:auto;margin:16px auto;-o-object-fit:contain;object-fit:contain;border-radius:8px;background:#fff}._warning_1g3in_6{padding:16px;border:1px solid var(--color-outline-variant);border-radius:12px;background:var(--color-surface-container-low)}._progress_1g3in_7{padding-block:24px}._player_1g3in_8{display:block;width:100%;height:72vh;min-height:480px;border:1px solid var(--color-outline-variant);border-radius:12px;margin-block:20px}._original_1g3in_10{margin-top:24px}._original_1g3in_10 summary{min-height:44px;padding-block:10px;cursor:pointer;font-weight:600}@media(max-width:600px){._player_1g3in_8{min-height:440px}._actions_1g3in_1>button{flex:1 1 180px}}._header_1mn6n_1{background:var(--color-header);backdrop-filter:blur(24px);box-shadow:0 1px 8px #0000000a}._container_1mn6n_2{width:min(100% - 48px,1184px);margin-inline:auto}._headerInner_1mn6n_3{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:64px;padding-block:6px}._brand_1mn6n_4{display:inline-flex;align-items:center;gap:8px;min-height:44px;color:var(--color-on-surface);font-family:Plus Jakarta Sans,sans-serif;font-size:20px;font-weight:600;line-height:28px;letter-spacing:-.025em;text-decoration:none}._brand_1mn6n_4 img{border-radius:6px}._navigation_1mn6n_6{display:flex;align-items:center;gap:12px}._navigation_1mn6n_6 a{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 12px;border-radius:8px;color:var(--color-on-surface-variant);font-size:14px;font-weight:600;line-height:20px;text-decoration:none}._navigation_1mn6n_6 a[aria-current]{background:var(--color-secondary-container);color:var(--color-on-secondary-container)}._navigation_1mn6n_6 ._startLink_1mn6n_9{gap:8px;padding-inline:16px;color:var(--color-on-secondary)}._skipLink_1mn6n_10{position:absolute;top:8px;left:16px;z-index:20;padding:12px 20px;transform:translateY(-160%);background:var(--color-surface-container-lowest);color:var(--color-on-surface);border-radius:8px;font-weight:600}._skipLink_1mn6n_10:focus{transform:none}._footer_1mn6n_12{background:var(--color-surface-container-low);padding-block:40px 24px;color:var(--color-on-surface-variant)}._footerGrid_1mn6n_13{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}._footer_1mn6n_12 p{max-width:34ch;font-size:13px;line-height:20px}._footer_1mn6n_12 h2{margin:10px 0 12px;color:var(--color-on-surface);font-size:14px;font-weight:700;line-height:1.5}._footer_1mn6n_12 nav{display:flex;flex-direction:column;align-items:flex-start}._footer_1mn6n_12 nav a{display:inline-flex;align-items:center;min-height:44px;padding-block:8px;color:var(--color-on-surface-variant);font-size:13px;line-height:20px;text-decoration:none}._footer_1mn6n_12 ._copyright_1mn6n_18{max-width:none;margin:40px 0 0;border-top:1px solid var(--color-outline-variant);padding-top:24px;font-size:11px}@media(hover:hover){._navigation_1mn6n_6 a:not(._startLink_1mn6n_9):not([aria-current]):hover{background:var(--color-surface-container)}._footer_1mn6n_12 nav a:hover{color:var(--color-secondary);text-decoration:underline;text-underline-offset:4px}}@media(min-width:1600px){._container_1mn6n_2{width:min(100% - 96px,1280px)}}@media(max-width:900px){._navigation_1mn6n_6{gap:4px}._navigation_1mn6n_6 ._startLink_1mn6n_9{display:none}._footerGrid_1mn6n_13{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}}@media(max-width:600px){._container_1mn6n_2{width:calc(100% - 40px)}._brand_1mn6n_4{max-width:100%;overflow-wrap:anywhere}._headerInner_1mn6n_3{flex-direction:column;align-items:flex-start;gap:0;padding-block:8px}._navigation_1mn6n_6{width:100%;justify-content:space-between;flex-wrap:wrap}._navigation_1mn6n_6 a{padding-inline:12px;max-width:100%;overflow-wrap:anywhere}._navigation_1mn6n_6 a:first-child{margin-left:-12px}._footer_1mn6n_12{padding-top:32px}._footerGrid_1mn6n_13{gap:20px}._footerGrid_1mn6n_13>div:first-child{grid-column:1 / -1}}@media print{._header_1mn6n_1,._footer_1mn6n_12,._skipLink_1mn6n_10{display:none}}