.situation-panel{display:grid;grid-template-columns:48px minmax(0,1fr);gap:17px;margin:26px 22px 10px;padding:19px 20px;border-radius:3px;background:#efe8da8c}.situation-panel strong{font-family:var(--serif);font-size:1rem}.situation-panel p{margin:0;font-family:var(--serif);font-size:.98rem;line-height:1.75}.question-panel{display:grid;flex:0 0 auto;grid-template-columns:minmax(0,1fr) auto;align-items:start;gap:16px;margin:8px 22px 12px;padding:12px 16px;border:1px solid var(--rule);border-left:2px solid var(--rule-dark);border-radius:3px;background:#efe8da2e}.transcript-list .question-panel{margin:8px 0 12px}.question-panel strong{display:block;margin-bottom:5px;color:var(--muted);font-size:.7rem;letter-spacing:.12em}.question-panel p{margin:0;font-family:var(--serif);font-size:.9rem;line-height:1.65;white-space:pre-line}.answer-reveal{display:grid;min-width:118px;max-width:220px;gap:3px;padding:8px 11px;border:1px solid var(--rule-dark);border-radius:3px;color:var(--ink);background:var(--paper-raised);text-align:left;cursor:pointer}.answer-reveal:hover{border-color:var(--vermilion);background:var(--vermilion-soft)}.answer-reveal-label{color:var(--muted);font-size:.7rem;letter-spacing:.08em}.answer-reveal-value{display:block;color:var(--vermilion-dark);font-family:var(--serif);font-size:.94rem;line-height:1.5;white-space:pre-line}.answer-reveal:not(.is-revealed) .answer-reveal-value{filter:blur(.55em);-webkit-user-select:none;user-select:none}@media(max-width:620px){.situation-panel{display:block;margin:14px 12px 8px;padding:15px}.question-panel{grid-template-columns:1fr;gap:9px;margin-inline:12px}.answer-reveal{width:100%;max-width:none}.situation-panel strong{display:block;margin-bottom:8px}}.transcript-list{flex:1 1 auto;min-height:0;overflow-y:auto;padding:0 22px;scrollbar-color:var(--rule-dark) transparent;scrollbar-width:thin}.transcript-row{position:relative;display:grid;grid-template-columns:52px minmax(0,1fr) 36px;align-items:center;gap:12px;width:100%;min-height:64px;padding:12px 10px 12px 16px;border:0;border-bottom:1px solid var(--rule);color:var(--ink);background:transparent;text-align:left;cursor:pointer}.transcript-row:hover{background:#efe8da59}.transcript-row.is-active{background:#efe8da7a}.transcript-row.is-active:before{content:"";position:absolute;top:0;bottom:0;left:0;width:3px;background:var(--vermilion)}.line-speaker{font-family:var(--serif);font-size:1rem}.line-copy{display:grid;min-width:0;gap:5px}.line-text{min-width:0;font-family:var(--serif);font-size:clamp(1rem,1.42vw,1.19rem);line-height:1.75}.printed-mark.is-red{color:#c44732}.printed-mark.is-underlined{text-decoration-line:underline;text-decoration-thickness:.1em;text-underline-offset:.12em}.transcript-list.is-lyrics-blurred .line-speaker,.transcript-list.is-lyrics-blurred .line-text{filter:blur(.55em);-webkit-user-select:none;user-select:none}.overlap-flags{display:flex;flex-wrap:wrap;gap:5px}.overlap-flag{width:fit-content;padding:2px 7px;border:1px solid currentColor;border-radius:999px;font-family:var(--sans);font-size:.72rem;font-weight:700;line-height:1.45}.overlap-flag.is-split{color:#4f6d59;background:#6f8f751a}.overlap-flag.is-preserved{color:var(--vermilion);background:#b1453114}.line-state{display:grid;place-items:center;width:32px;height:32px;color:var(--rule-dark)}.transcript-row.is-active .line-speaker,.transcript-row.is-active .line-text{color:var(--ink)}.transcript-row.is-active .line-state,.transcript-row.is-marked .line-speaker,.transcript-row.is-marked .line-text,.transcript-row.is-marked .line-state{color:var(--vermilion)}.transport{flex:0 0 auto;padding:16px 22px 19px;border-top:2px solid var(--vermilion);background:#fbf9f4f7}.transport-actions{display:flex;gap:12px;align-items:center}.transport-key-actions{display:flex;flex:0 0 auto;gap:7px;align-items:center;margin-left:auto}.time-readout{min-width:0;color:var(--muted);font-family:var(--serif);font-size:.75rem;font-variant-numeric:tabular-nums;letter-spacing:.02em;white-space:nowrap}.transport-button{display:grid;width:52px;height:52px;flex:0 0 52px;place-items:center;padding:0;border:1px solid var(--rule-dark);border-radius:3px;color:var(--ink);background:transparent;cursor:pointer}.transport-button:hover{border-color:var(--vermilion);background:var(--vermilion-soft)}.transport-button.is-pressed{color:var(--vermilion);border-color:var(--vermilion);background:var(--vermilion-soft)}.transport-button.primary{color:#fff;border-color:var(--vermilion);background:var(--vermilion)}.transport-button.primary:hover{background:var(--vermilion-dark)}.scrubber-row{display:grid;grid-template-columns:38px minmax(0,1fr) auto;align-items:center;gap:10px;margin-top:12px}.play-toggle{display:grid;place-items:center;width:34px;height:34px;border:1px solid var(--vermilion);border-radius:50%;color:#fff;background:var(--vermilion);cursor:pointer}.audio-error{margin:7px 0 0 48px;color:var(--vermilion-dark);font-size:.78rem}.auto-adjust-status{margin:7px 0 0 48px;color:#31557e;font-size:.78rem;line-height:1.45}.line-waveform{position:relative;width:100%;height:44px;margin:0;overflow:hidden;border:1px solid var(--rule);border-radius:3px;background:var(--paper-deep);transition:border-color .12s ease,box-shadow .12s ease}.line-waveform svg{display:block;width:100%;height:100%}.line-waveform input[type=range]{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;margin:0;opacity:0;cursor:crosshair}.line-waveform:focus-within{border-color:var(--vermilion);box-shadow:0 0 0 3px #b7281e2e}.waveform-unplayed{fill:var(--rule-dark)}.waveform-played{fill:var(--vermilion)}.line-waveform .waveform-silence-gap{fill:#8bcbe8;opacity:.76}.line-waveform .waveform-vad-silence{fill:#c8e7f5;opacity:.6}.waveform-cursor{stroke:var(--vermilion-dark);stroke-width:2;vector-effect:non-scaling-stroke}.line-waveform.is-loading .waveform-unplayed{opacity:.42}.explanation-panel{display:flex;min-width:0;min-height:0;flex-direction:column;overflow:hidden;background:#fbf9f4b8}.explanation-scroll{flex:1 1 auto;min-height:0;overflow-y:auto;padding:0 26px 34px;scrollbar-color:var(--rule-dark) transparent;scrollbar-width:thin}.explanation-inline{display:none}.explanation-inline .explanation-section{padding:0;border-bottom:0}.explanation-inline .vocabulary-section,.explanation-inline .alignment-note{margin-top:14px}.explanation-section{padding:21px 0;border-bottom:1px solid var(--rule)}.explanation-section:last-child{border-bottom:0}.natural-english,.empty-vocabulary{margin:0;font-family:var(--serif);font-size:1rem;line-height:2}.natural-english{font-family:Georgia,Times New Roman,serif;font-size:1.04rem;white-space:pre-line}.explanation-translation{padding-top:23px;padding-bottom:19px}.vocabulary-section ul{display:grid;gap:16px;margin:0;padding-left:20px}.vocabulary-section li{padding-left:2px}.vocabulary-section li strong,.vocabulary-section li span{display:block;line-height:1.65}.vocabulary-section li strong{font-family:var(--serif);font-size:.94rem}.vocabulary-section li span{margin-top:5px;font-family:Georgia,Times New Roman,serif;font-size:.9rem}.dashboard-shell{width:100%;height:100dvh;overflow-y:auto;background:radial-gradient(circle at 82% 12%,rgba(183,40,30,.08),transparent 28rem),var(--paper)}.dashboard-header{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:86px;padding:0 42px;border-bottom:1px solid var(--rule);background:#f7f3eaf7}.storage-note{color:var(--muted);font-size:.76rem}.storage-note:before{content:"";display:inline-block;width:7px;height:7px;margin-right:8px;border-radius:50%;background:var(--sage)}.dashboard-main{width:min(1120px,calc(100% - 48px));margin:0 auto;padding:62px 0 76px}.dashboard-intro{display:grid;grid-template-columns:minmax(360px,.9fr) minmax(320px,1fr);column-gap:90px;align-items:end;margin-bottom:52px}.dashboard-intro .eyebrow{margin:0 0 12px;color:var(--vermilion);font-size:.7rem;font-weight:700;letter-spacing:.16em}.dashboard-intro .eyebrow{grid-column:1 / -1}.dashboard-intro h1{margin:0;font-family:var(--serif);font-size:clamp(2.5rem,5vw,4.5rem);font-weight:500;letter-spacing:-.04em;line-height:1.18}.dashboard-intro h1 span{white-space:nowrap}.dashboard-intro>p:last-child{max-width:530px;margin:0 0 8px;color:var(--muted);font-family:var(--serif);font-size:1.02rem;line-height:2}.dashboard-error{padding:14px 16px;color:var(--vermilion-dark);border:1px solid rgba(183,40,30,.32);background:var(--vermilion-soft)}.continue-card{display:grid;grid-template-columns:minmax(260px,1fr) minmax(190px,.55fr) auto;align-items:center;gap:36px;margin-bottom:62px;padding:26px 28px;border:1px solid var(--vermilion);border-left-width:5px;background:#fbf9f4e6;box-shadow:0 14px 40px #4633230f}.continue-card h2,.library-heading h2,.catalog-branch-heading h3,.exam-card h3{margin:0;font-family:var(--serif);font-weight:600}.continue-card h2{font-size:1.42rem}.continue-card p:not(.section-label){margin:8px 0 0;color:var(--muted);font-size:.82rem}.continue-progress{display:grid;grid-template-columns:auto minmax(120px,1fr);align-items:center;gap:13px}.continue-progress strong{color:var(--vermilion);font-family:var(--serif);font-size:1.42rem;font-weight:500}.progress-track{height:5px;overflow:hidden;border-radius:999px;background:var(--rule)}.progress-track span{display:block;height:100%;border-radius:inherit;background:var(--vermilion);transition:width .22s ease}.continue-button,.exam-card button{display:inline-flex;align-items:center;justify-content:center;gap:12px;border:1px solid var(--vermilion);color:#fff;background:var(--vermilion);cursor:pointer}.continue-button{min-height:50px;padding:10px 20px}.continue-button:hover,.exam-card button:hover{background:var(--vermilion-dark)}.library-heading{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:22px}.library-heading h2{font-size:1.75rem}.library-heading>span{color:var(--muted);font-size:.78rem}.exam-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.catalog-hierarchy{display:grid;gap:44px}.catalog-branch{display:grid;gap:18px}.catalog-branch-heading{padding:4px 0 4px 16px;border-left:3px solid var(--vermilion)}.catalog-branch-heading .section-label{margin:0 0 5px}.catalog-branch-heading h3{margin:0;font-size:1.32rem}.catalog-branch-children{display:grid;gap:30px;padding-left:18px;border-left:1px solid var(--rule)}.exam-card{padding:28px;border:1px solid var(--rule);background:#fbf9f4bd;transition:border-color .14s ease,transform .14s ease}.exam-card:hover{border-color:var(--rule-dark);transform:translateY(-2px)}.exam-card-topline{display:flex;justify-content:space-between;color:var(--muted);font-size:.72rem;letter-spacing:.1em}.exam-card-topline strong{color:var(--vermilion);font-family:var(--serif);font-size:1.15rem;font-weight:500;letter-spacing:0}.exam-card h3{margin-top:12px;font-size:2rem}.exam-card>p{margin:4px 0 22px;color:var(--muted);font-size:.8rem}.exam-stats{display:grid;grid-template-columns:1fr 1fr;margin:24px 0}.exam-stats div{padding-right:20px;border-right:1px solid var(--rule)}.exam-stats div+div{padding-left:20px;border-right:0}.exam-stats dt{color:var(--muted);font-size:.7rem}.exam-stats dd{margin:5px 0 0;font-family:var(--serif);font-size:1.05rem}.exam-card button{width:100%;min-height:46px}.auth-card{max-width:32rem;padding:1.25rem;border:1px solid var(--line, #d8d4cb);border-radius:12px;background:#fffdf8}.auth-heading{display:flex;align-items:center;justify-content:space-between}.auth-tabs{display:flex;gap:.5rem;margin-top:1rem;border-bottom:1px solid var(--rule)}.auth-tabs button{padding:.5rem .75rem;border:0;border-bottom:2px solid transparent;background:transparent;color:var(--muted);font-weight:700}.auth-tabs button.is-selected{border-bottom-color:var(--vermilion);color:var(--ink)}.auth-card form{display:grid;gap:.8rem;margin:1rem 0}.auth-card label{display:grid;gap:.3rem;font-weight:600}.auth-card input{min-height:2.5rem;padding:.4rem .55rem;font:inherit}.auth-intro{margin:0;color:var(--muted)}.account-actions{display:flex;align-items:center;gap:.75rem}@media(max-width:920px){.dashboard-intro{grid-template-columns:1fr;gap:24px}.dashboard-intro .eyebrow{grid-column:auto;margin-bottom:-8px}.continue-card{grid-template-columns:1fr 1fr}.continue-button{grid-column:1 / -1}}@media(max-width:620px){.dashboard-header{min-height:72px;padding:0 18px}.dashboard-header .brand-subtitle,.storage-note{display:none}.dashboard-main{width:min(100% - 28px,1120px);padding:38px 0 48px}.dashboard-intro{margin-bottom:38px}.dashboard-intro h1{font-size:clamp(2rem,11vw,3.5rem)}.continue-card{grid-template-columns:1fr;gap:22px;margin-bottom:46px;padding:22px 20px}.continue-button{grid-column:auto}.library-heading{align-items:start;flex-direction:column;gap:8px}.exam-grid{grid-template-columns:1fr}}.transcript-row-shell{position:relative}.boundary-edit-button{position:absolute;z-index:3;top:50%;right:3px;display:grid;place-items:center;width:28px;height:28px;padding:0;border:1px solid var(--vermilion);border-radius:50%;color:var(--vermilion);background:var(--paper-raised);box-shadow:0 2px 8px #3c2f2324;cursor:pointer;transform:translateY(-50%)}.boundary-edit-button:hover:not(:disabled),.boundary-edit-button:focus-visible{color:#fff;background:var(--vermilion)}.boundary-delete-button{right:37px;color:var(--muted);border-color:var(--rule-dark)}.boundary-delete-button:disabled{opacity:.42;cursor:not-allowed}.playback-mode-anchor{display:inline-flex;flex:0 0 auto;align-items:center;gap:7px}.continuous-settings-backdrop{position:fixed;z-index:190;top:0;right:0;bottom:0;left:0;width:100%;height:100%;border:0;background:#1f211e33;cursor:default}.continuous-settings-popover{position:fixed;z-index:200;top:50%;left:50%;width:min(500px,calc(100vw - 74px));max-height:calc(100dvh - 40px);display:grid;gap:15px;padding:19px 20px 17px;border:1px solid var(--rule-dark);border-radius:5px;background:var(--paper-light);box-shadow:0 10px 28px #372d222e;overflow-y:auto;transform:translate(-50%,-50%)}.continuous-settings-header{display:flex;align-items:start;justify-content:space-between;gap:12px}.continuous-settings-eyebrow{color:#31557e;font-size:.68rem;font-weight:700;letter-spacing:.13em}.continuous-settings-header h3{margin:6px 0 0;font-family:var(--serif);font-size:1.25rem;font-weight:600}.continuous-settings-close{display:grid;place-items:center;width:32px;height:32px;padding:0;border:1px solid var(--rule-dark);border-radius:3px;color:var(--muted);background:transparent;cursor:pointer}.continuous-settings-close:hover{color:var(--vermilion);border-color:var(--vermilion)}.continuous-settings-summary,.continuous-settings-note{margin:-7px 0 0;color:var(--muted);font-size:.78rem;line-height:1.5}.continuous-settings-note{margin:-4px 0 0;padding-top:11px;border-top:1px solid var(--rule);font-size:.72rem}.continuous-settings-fields{display:grid;grid-template-columns:minmax(150px,.8fr) minmax(210px,1.2fr);gap:18px}.continuous-setting-field{display:grid;align-content:start;gap:6px;color:var(--ink);font-size:.83rem;font-weight:700}.continuous-setting-field small,.continuous-transition-option small{color:var(--muted);font-size:.7rem;font-weight:400;line-height:1.4}.continuous-stepper{display:inline-flex;align-items:center;width:fit-content;margin-top:2px}.continuous-stepper button,.continuous-stepper output{display:grid;place-items:center;width:39px;height:39px;border:1px solid var(--rule-dark);background:var(--paper)}.continuous-stepper button{color:var(--ink);cursor:pointer;font-size:1.1rem}.continuous-stepper button:first-child{border-radius:3px 0 0 3px}.continuous-stepper button:last-child{border-radius:0 3px 3px 0}.continuous-stepper button:hover:not(:disabled){color:var(--vermilion);background:var(--vermilion-soft)}.continuous-stepper button:disabled{cursor:not-allowed;opacity:.4}.continuous-stepper output{border-right:0;border-left:0;color:#31557e;font-size:1rem;font-variant-numeric:tabular-nums}.continuous-slider-row{display:flex;align-items:center;gap:9px;margin-top:6px}.continuous-slider-row input[type=range]{min-width:0;flex:1 1 auto;accent-color:#31557e}.continuous-slider-row output{min-width:42px;color:#31557e;font-size:.82rem;font-variant-numeric:tabular-nums;text-align:right;white-space:nowrap}.continuous-pause-input{display:inline-flex;align-items:center;gap:4px;flex:0 0 auto;color:#31557e;font-size:.82rem;font-variant-numeric:tabular-nums}.continuous-pause-input input{box-sizing:border-box;width:66px;padding:4px 5px;border:1px solid var(--rule);border-radius:4px;color:#31557e;background:var(--paper);font:inherit;text-align:right}.continuous-pause-input input:focus{outline:2px solid rgba(49,85,126,.28);outline-offset:1px}.continuous-transition-fieldset{min-width:0;margin:0;padding:13px 0 0;border:0;border-top:1px solid var(--rule)}.continuous-transition-fieldset legend{padding:0;color:var(--ink);font-size:.83rem;font-weight:700}.continuous-transition-options{display:grid;gap:6px;margin-top:9px}.continuous-transition-option{display:grid;grid-template-columns:19px minmax(0,1fr);align-items:start;gap:9px;padding:9px 10px;border:1px solid transparent;border-radius:3px;cursor:pointer}.continuous-transition-option:hover,.continuous-transition-option.is-selected{border-color:#31557e;background:#31557e0f}.continuous-transition-option input{width:17px;height:17px;margin:1px 0 0;accent-color:#31557e}.continuous-transition-option span{display:grid;gap:3px}.continuous-transition-option strong{font-size:.8rem;font-weight:700}.continuous-playback-status{margin:10px 0 0 2px;color:#31557e;font-size:.73rem;font-variant-numeric:tabular-nums;letter-spacing:.015em}@media(max-width:620px){.boundary-edit-button{width:26px;height:26px}.transport-actions{flex-wrap:wrap}.continuous-settings-popover{width:calc(100vw - 28px);max-height:calc(100dvh - 28px)}.continuous-settings-fields{grid-template-columns:1fr;gap:15px}}.hierarchy-jump-menu{position:relative;min-width:min(320px,38vw)}.hierarchy-jump-trigger{display:flex;align-items:center;justify-content:space-between;gap:18px;width:100%;min-height:38px;padding:4px 8px 4px 10px;border:0;border-bottom:1px solid var(--rule-dark);color:var(--ink);background:transparent;font-family:var(--serif);font-size:1rem;text-align:left;cursor:pointer}.hierarchy-jump-trigger>span{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.hierarchy-jump-trigger:focus-visible,.jump-menu-node-toggle:focus-visible,.jump-menu-item:focus-visible{outline:2px solid var(--vermilion);outline-offset:2px}.hierarchy-jump-panel{position:absolute;z-index:40;top:calc(100% + 8px);left:0;width:min(520px,calc(100vw - 32px));max-height:min(68dvh,620px);overflow:auto;padding:8px;border:1px solid var(--rule-dark);background:#fbf9f4fc;box-shadow:0 18px 42px #4633232e}.jump-menu-node-toggle,.jump-menu-item{width:100%;border:0;color:var(--ink);background:transparent;font:inherit;text-align:left;cursor:pointer}.jump-menu-node-toggle{display:flex;align-items:center;gap:7px;min-height:34px;padding:6px 8px 6px calc(8px + var(--jump-indent));font-family:var(--serif);font-weight:600}.jump-menu-node-toggle>span{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.jump-menu-node-toggle:hover,.jump-menu-item:hover{background:#b7281e14}.jump-menu-node-contents{padding-left:calc(15px + var(--jump-indent));border-left:1px solid var(--rule)}.jump-menu-material-items{display:grid;gap:2px;padding:2px 0 5px}.jump-menu-item{min-height:32px;padding:6px 9px 6px 16px;color:var(--muted);font-size:.84rem}.jump-menu-item.is-current{color:var(--vermilion-dark);background:var(--vermilion-soft);font-weight:700}@media(max-width:1180px){.hierarchy-jump-menu{flex:1 1 0;min-width:0;max-width:360px}}@media(max-width:920px){.hierarchy-jump-menu{width:100%;min-width:0;max-width:none}.hierarchy-jump-panel{position:fixed;z-index:120;top:70px;right:16px;left:16px;width:auto;max-height:calc(100dvh - 86px)}}.boundary-line-labels{display:grid;grid-template-columns:minmax(0,1fr);gap:1px;overflow:hidden;border:1px solid var(--rule);border-radius:3px;background:var(--rule)}.boundary-line-labels>div{display:grid;grid-template-columns:auto 1fr;gap:5px 10px;padding:10px 12px;background:var(--paper-raised)}.waveform-silence-gap{fill:#cfe8f5;opacity:.72}.waveform-vad-silence{fill:#b9def0;opacity:.72}.boundary-line-labels>div.is-current{background:var(--vermilion-soft)}.boundary-line-labels span{color:var(--vermilion-dark);font-size:.75rem;font-weight:800}.boundary-line-labels p{grid-column:1 / -1;margin:0;font-family:var(--serif);line-height:1.55}.boundary-line-labels small{grid-column:1 / -1;color:var(--muted);font-size:.76rem}.boundary-neighbor-context{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px;color:var(--muted);font-size:.75rem}.boundary-neighbor-context span{min-width:0;overflow:hidden;padding:5px 8px;border:1px solid var(--rule);border-radius:3px;text-overflow:ellipsis;white-space:nowrap}.boundary-waveform-toolbar{display:flex;align-items:center;justify-content:space-between;gap:10px;color:var(--muted);font-size:.76rem}.boundary-waveform-controls{display:inline-flex;align-items:center;gap:6px;flex-wrap:wrap;justify-content:flex-end}.boundary-waveform-toggle{display:inline-flex;align-items:center;gap:6px;min-height:30px;padding:4px 8px;border:1px solid var(--rule-dark);border-radius:3px;color:var(--ink);background:var(--paper-raised);cursor:pointer}.boundary-waveform-toggle:hover,.boundary-waveform-toggle:focus-visible{border-color:var(--vermilion);background:var(--vermilion-soft)}.boundary-waveform-toggle:disabled{opacity:.45;cursor:not-allowed}.boundary-waveform-scroll{min-width:0;overflow-x:auto;overflow-y:hidden;overscroll-behavior-x:contain;padding:2px 0 8px;cursor:grab}.boundary-waveform-scroll:focus-visible{outline:2px solid var(--vermilion);outline-offset:2px}.boundary-waveform-scroll.is-panning{cursor:grabbing;-webkit-user-select:none;user-select:none}.boundary-waveform-scroll::-webkit-scrollbar{height:10px}.boundary-waveform-scroll::-webkit-scrollbar-thumb{border-radius:999px;background:var(--rule-dark)}.boundary-waveform{position:relative;height:86px;overflow:hidden;border:1px solid var(--rule-dark);border-radius:3px;background:var(--paper-deep)}.boundary-waveform.is-expanded{min-width:100%}.boundary-waveform svg{display:block;width:100%;height:100%}.boundary-waveform:focus-within{border-color:var(--vermilion);box-shadow:0 0 0 3px #b7281e2e}.boundary-waveform-context-stop{stop-color:var(--rule-dark);stop-opacity:.28}.boundary-waveform-current-stop{stop-color:var(--vermilion)}.boundary-segment-markers{pointer-events:none}.boundary-segment-marker{stroke:var(--rule-dark);stroke-width:1;stroke-dasharray:2 3;vector-effect:non-scaling-stroke;opacity:.72}.boundary-marker{stroke:var(--vermilion-dark);stroke-width:3;vector-effect:non-scaling-stroke}.boundary-marker.is-start{stroke:var(--sage)}.boundary-marker.is-end{stroke:var(--vermilion-dark)}.boundary-marker.is-split{stroke:var(--vermilion-dark);stroke-width:3;stroke-dasharray:5 3}.boundary-handle,.lyrics-split-handle{position:absolute;top:0;width:48px;height:100%;padding:8px 0 0;border:0;color:var(--ink);background:transparent;cursor:col-resize;transform:translate(-50%)}.boundary-handle span,.lyrics-split-handle span{display:inline-block;padding:2px 5px;border:1px solid var(--rule-dark);border-radius:999px;color:var(--ink);background:var(--paper-raised);font-size:.68rem;font-weight:800;line-height:1.2;white-space:nowrap}.boundary-handle.is-start span{border-color:var(--sage)}.boundary-handle.is-end span,.lyrics-split-handle span{border-color:var(--vermilion)}.boundary-handle:hover span,.boundary-handle:focus-visible span,.lyrics-split-handle:hover span,.lyrics-split-handle:focus-visible span{color:#fff;background:var(--vermilion)}.boundary-handle:focus-visible,.lyrics-split-handle:focus-visible{outline:2px solid var(--vermilion);outline-offset:-2px}.boundary-handle:disabled,.lyrics-split-handle:disabled{cursor:wait;opacity:.5}.boundary-waveform.is-loading .boundary-waveform-base{opacity:.5}@media(max-width:620px){.boundary-line-labels,.boundary-neighbor-context{grid-template-columns:1fr}.boundary-waveform-toolbar{align-items:flex-start;flex-direction:column;gap:6px}.boundary-waveform{height:76px}}.boundary-editor{display:grid;gap:12px;padding:2px 0}.lyrics-editor-field{display:grid;gap:6px}.lyrics-editor-field>span{color:var(--vermilion-dark);font-size:.75rem;font-weight:800}.lyrics-editor-field textarea{width:100%;min-height:78px;padding:9px 11px;border:1px solid var(--rule-dark);border-radius:3px;color:var(--ink);background:var(--paper-raised);font-family:var(--serif);font-size:1rem;line-height:1.55;resize:vertical}.lyrics-editor-field textarea:focus{outline:2px solid var(--vermilion);outline-offset:1px;border-color:var(--vermilion)}.lyrics-editor-field textarea:disabled{opacity:.58}.lyrics-split-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.lyrics-editor-options{display:flex;gap:8px;flex-wrap:wrap}.lyrics-editor-secondary{min-height:34px;padding:6px 10px;border:1px solid var(--rule-dark);border-radius:3px;color:var(--ink);background:var(--paper-raised);cursor:pointer}.lyrics-editor-secondary:hover:not(:disabled),.lyrics-editor-secondary:focus-visible{border-color:var(--vermilion);background:var(--vermilion-soft)}.lyrics-editor-secondary:disabled{opacity:.5;cursor:not-allowed}.boundary-editor-heading{display:flex;align-items:end;justify-content:space-between;gap:18px}.boundary-editor-heading div{display:grid;gap:3px}.boundary-editor-heading strong{font-family:var(--serif);font-size:1.08rem}.boundary-editor-heading span,.boundary-editor-heading output{color:var(--muted);font-size:.76rem}.boundary-editor-heading output{color:var(--vermilion-dark);font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:.88rem;font-weight:700}.boundary-editor-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.boundary-editor-actions button{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-height:38px;padding:7px 11px;border:1px solid var(--rule-dark);border-radius:3px;color:var(--ink);background:var(--paper-raised);cursor:pointer}.boundary-editor-actions button:hover:not(:disabled){border-color:var(--vermilion);background:var(--vermilion-soft)}.boundary-editor-actions button:disabled{opacity:.5;cursor:wait}.boundary-editor-actions .boundary-save{color:#fff;border-color:var(--vermilion);background:var(--vermilion)}.boundary-editor-actions .boundary-save:hover:not(:disabled){background:var(--vermilion-dark)}.boundary-editor-spacer{flex:1 1 auto}.boundary-message{margin:0;color:var(--muted);font-size:.78rem}.boundary-message.is-error{color:var(--vermilion-dark)}@media(max-width:620px){.lyrics-split-fields{grid-template-columns:1fr}.boundary-editor-heading{align-items:start;flex-direction:column;gap:6px}.boundary-editor-actions button{flex:1 1 calc(50% - 8px)}.boundary-editor-spacer{display:none}}:root{color-scheme:light;--paper: #f7f3ea;--paper-deep: #efe8da;--paper-light: #fbf9f4;--ink: #1f211e;--muted: #6f706a;--rule: #d8cfbf;--rule-dark: #b9ae9c;--vermilion: #b7281e;--vermilion-dark: #8e1f18;--vermilion-soft: #f8e4df;--sage: #39734a;--sage-soft: #e3eddf;--sans: "Yu Gothic UI", "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Segoe UI", sans-serif;--serif: "Yu Mincho", "Hiragino Mincho ProN", "Noto Serif JP", Georgia, serif;font-family:var(--sans);font-synthesis:none;color:var(--ink);background:var(--paper)}*{box-sizing:border-box}html,body,#root{width:100%;height:100%;margin:0}body{min-width:320px;overflow:hidden;background:var(--paper);color:var(--ink);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}button,input,select{font:inherit}button,select,input[type=range]{-webkit-tap-highlight-color:transparent}button:focus-visible,select:focus-visible,input:focus-visible{outline:3px solid rgba(183,40,30,.28);outline-offset:3px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.section-label{margin:0 0 12px;color:var(--vermilion);font-size:.7rem;font-weight:700;letter-spacing:.16em}.app-shell{display:grid;grid-template-rows:86px minmax(0,1fr);width:100%;height:100dvh;background:var(--paper)}.site-header{position:sticky;top:0;z-index:100;display:grid;grid-template-columns:minmax(340px,1fr) auto minmax(250px,1fr);align-items:center;gap:24px;min-height:86px;padding:0 28px;border-bottom:1px solid var(--rule);background:#f7f3eaf7}.brand-group{display:flex;align-items:center;gap:18px;min-width:0}.brand-copy{display:flex;align-items:baseline;gap:18px;min-width:0}.brand-mark{flex:0 0 auto;width:46px;height:46px;object-fit:contain}.brand-name,.brand-subtitle{margin:0}.brand-name{font-family:var(--serif);font-size:clamp(1.35rem,2vw,1.85rem);line-height:1;white-space:nowrap}.current-location{display:grid;min-width:0;gap:3px}.current-location strong{overflow:hidden;font-family:var(--serif);font-size:clamp(1.15rem,1.8vw,1.55rem);font-weight:600;text-overflow:ellipsis;white-space:nowrap}.current-location span{color:var(--muted);font-size:.78rem;white-space:nowrap}.brand-subtitle{color:var(--ink);font-family:var(--serif);font-size:.94rem;white-space:nowrap}.exam-breadcrumb{display:flex;align-items:center;gap:0;font-family:var(--serif);font-size:1rem;white-space:nowrap}.exam-breadcrumb span{padding:0 16px;border-right:1px solid var(--rule)}.exam-breadcrumb span:last-child{border-right:0}.header-select{max-width:190px;min-height:38px;padding:4px 30px 4px 10px;border:0;border-bottom:1px solid var(--rule-dark);color:var(--ink);background:transparent;font-family:var(--serif);cursor:pointer}.review-badge{display:inline-flex;align-items:center;min-height:30px;padding:3px 9px;border-radius:999px;font-size:.72rem;white-space:nowrap}.review-badge{color:var(--vermilion-dark);border:1px solid rgba(183,40,30,.32);background:var(--vermilion-soft);font-size:.72rem}button.review-badge{cursor:pointer}button.review-badge:disabled{cursor:wait}.alignment-note{margin:22px 0 0;padding:11px 12px;border-left:2px solid var(--vermilion);color:var(--muted);background:var(--vermilion-soft);font-size:.78rem;line-height:1.6}.header-actions{display:flex;align-items:center;justify-content:flex-end;gap:16px}.header-button{display:inline-flex;align-items:center;gap:7px;min-height:42px;padding:6px 4px;border:0;color:var(--ink);background:transparent;cursor:pointer}.header-button:hover{color:var(--vermilion)}.next-passage-button{min-height:40px;padding:7px 12px;border:1px solid var(--rule-dark);border-radius:999px;background:var(--paper-raised);font-weight:700}.next-passage-button:disabled,.transport-button:disabled{opacity:.42;cursor:not-allowed}@media(max-width:1180px){.app-shell{grid-template-rows:auto minmax(0,1fr)}.site-header{grid-template-columns:minmax(0,1fr) auto auto;grid-template-areas:"location breadcrumb actions";column-gap:12px;min-height:86px;padding:0 20px}.site-header.marked-site-header{grid-template-columns:minmax(0,1fr) auto;grid-template-areas:"location actions";min-height:86px}.exam-breadcrumb{grid-area:breadcrumb;min-width:0;justify-content:flex-start;overflow:visible}.current-location{grid-area:location}.header-actions{grid-area:actions;min-width:0;gap:8px}.header-home-label{display:none}.header-select{flex:1 1 0;min-width:0;max-width:160px}.next-passage-button{padding-inline:10px}.next-passage-button span{display:none}}@media(max-width:920px){body{overflow:auto}.app-shell{display:flex;flex-direction:column;height:100dvh;min-height:0}.site-header{flex:0 0 auto;grid-template-columns:minmax(0,1fr) auto;grid-template-areas:"breadcrumb actions";min-height:86px;padding:0 18px}.site-header.marked-site-header{grid-template-columns:minmax(0,1fr);grid-template-areas:"actions"}.brand-subtitle,.header-button span,.current-location{display:none}.exam-breadcrumb{width:100%}.header-select{max-width:none}}@media(max-width:620px){.brand-name{overflow:hidden;font-size:1.1rem;text-overflow:ellipsis}.header-actions{gap:6px}.next-passage-button span{display:none}}.practice-layout{display:grid;grid-template-columns:minmax(0,1fr) 12px var(--explanation-width, 392px);min-height:0}.practice-layout.is-resizing-explanation{cursor:col-resize;-webkit-user-select:none;user-select:none}.practice-layout.is-explanation-hidden{grid-template-columns:minmax(0,1fr)}.practice-layout.is-explanation-hidden .explanation-resizer,.practice-layout.is-explanation-hidden .explanation-panel{display:none}.explanation-resizer{display:grid;width:12px;min-height:0;padding:0;place-items:center;border:0;border-left:1px solid var(--rule);border-right:1px solid var(--rule);color:var(--rule-dark);background:var(--paper-deep);cursor:col-resize}.explanation-resizer span{width:3px;height:42px;border-radius:999px;background:currentColor}.explanation-resizer:hover,.explanation-resizer:focus-visible{color:var(--vermilion);outline:0;background:var(--vermilion-soft)}.practice-main{display:flex;min-width:0;min-height:0;flex-direction:column;border-right:1px solid var(--rule);background:var(--paper)}@media(max-width:1180px){.practice-layout{grid-template-columns:minmax(0,1fr) 12px var(--explanation-width, 350px)}.transport-actions{gap:8px}.transport-button{width:48px;height:48px;flex-basis:48px}}@media(max-width:920px){.practice-layout{display:flex;flex:1 1 auto;flex-direction:column;min-height:0}.explanation-resizer{display:none}.practice-main{display:flex;flex:1 1 auto;flex-direction:column;min-height:0;height:auto;border-right:0}.transcript-list{flex:1 1 auto;min-height:0;max-height:none}.transport-actions{gap:7px}.transport-button.primary{grid-column:auto}.transport{flex:0 0 auto}.explanation-panel{display:none}.explanation-scroll{max-height:none}.explanation-inline{display:block;margin:2px 0 14px;padding:14px 16px;border-left:2px solid var(--sage);border-radius:3px;background:#39734a12}}@media(max-width:620px){.transcript-list{padding:0 12px}.transcript-row{grid-template-columns:52px minmax(0,1fr) 28px;gap:7px;padding:10px 5px 10px 10px}.line-text{font-size:.96rem;line-height:1.65}.transport{padding:10px 10px 12px}.transport-actions{flex-wrap:nowrap;justify-content:flex-start;gap:4px;overflow-x:auto}.transport-key-actions{width:auto;flex:0 0 auto;justify-content:flex-start;gap:4px;margin-left:auto}.transport-button{width:34px;height:34px;flex-basis:34px}}.marked-entry{display:flex;align-items:center;justify-content:space-between;gap:24px;margin:-34px 0 62px;padding:22px 26px;border:1px solid var(--rule);background:#fbf9f4b8}.marked-entry h2{margin:0;font-family:var(--serif);font-size:1.25rem;font-weight:600}.marked-entry p:not(.section-label){margin:6px 0 0;color:var(--muted);font-size:.82rem}.text-button{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:42px;padding:8px 14px;border:1px solid var(--vermilion);color:var(--vermilion-dark);background:transparent;cursor:pointer}.text-button:hover:not(:disabled){color:#fff;background:var(--vermilion)}.text-button:disabled{opacity:.5;cursor:not-allowed}.marked-line-source{color:var(--muted);font-size:.7rem}.marked-practice-row.is-marked .line-speaker,.marked-practice-row.is-marked .line-text{color:var(--ink)}.marked-practice-loading{margin:24px;color:var(--muted);font-family:var(--serif)}@media(max-width:920px){.marked-entry{align-items:start;flex-direction:column}}