._page_1ksnh_1{color:#16231f;background:#f3f7f5;min-height:100vh}._nav_1ksnh_3{justify-content:space-between;align-items:center;gap:24px;max-width:1180px;margin:0 auto;padding:22px 24px;display:flex}._nav_1ksnh_3 a{color:#173d36;font-weight:800;text-decoration:none}._hero_1ksnh_7,._content_1ksnh_7{max-width:1180px;margin:0 auto;padding:42px 24px}._hero_1ksnh_7{padding-top:64px;padding-bottom:38px}._eyebrow_1ksnh_11{color:#1f6658;letter-spacing:.12em;font-size:14px;font-weight:900}._hero_1ksnh_7 h1{letter-spacing:-.045em;max-width:900px;margin:14px 0 18px;font-size:clamp(36px,6vw,68px);line-height:1.08}._lead_1ksnh_15{color:#52635d;max-width:800px;font-size:18px;line-height:1.75}._grid_1ksnh_17{grid-template-columns:repeat(auto-fit,minmax(245px,1fr));gap:18px;display:grid}._category_1ksnh_19{margin:44px 0 18px;font-size:25px}._card_1ksnh_21{color:inherit;background:#fff;border:1px solid #cad8d3;border-radius:18px;padding:23px;text-decoration:none;display:block;box-shadow:0 7px 25px #173d360f}._card_1ksnh_21 strong{margin-bottom:8px;font-size:21px;display:block}._card_1ksnh_21 span{color:#62716c;line-height:1.55}._sheetGrid_1ksnh_27{grid-template-columns:minmax(0,790px) minmax(245px,1fr);align-items:start;gap:30px;display:grid}._sheet_1ksnh_27{background:#fff;border:1px solid #c8d6d1;border-radius:16px;overflow:hidden;box-shadow:0 10px 35px #173d361a}._sheet_1ksnh_27 img{width:100%;height:auto;display:block}._side_1ksnh_33{position:sticky;top:24px}._actions_1ksnh_35{gap:10px;display:grid}._button_1ksnh_37{color:#fff;text-align:center;background:#173d36;border-radius:11px;padding:14px 17px;font-weight:850;text-decoration:none;display:block}._buttonSecondary_1ksnh_39{color:#173d36;background:#d8eee7}._note_1ksnh_41{color:#586963;background:#fff;border-radius:13px;margin-top:18px;padding:17px;font-size:14px;line-height:1.65}._siblings_1ksnh_43{flex-wrap:wrap;gap:9px;margin-top:28px;display:flex}._siblings_1ksnh_43 a{color:#173d36;border:1px solid #bfd0ca;border-radius:999px;padding:8px 11px;font-size:14px;font-weight:750;text-decoration:none}._source_1ksnh_47{color:#5b6d66;margin-top:32px;line-height:1.75}._source_1ksnh_47 a{color:#1f6658;font-weight:800}@media (max-width:820px){._sheetGrid_1ksnh_27{grid-template-columns:1fr}._side_1ksnh_33{position:static}._hero_1ksnh_7{padding-top:34px}}@media print{._nav_1ksnh_3,._hero_1ksnh_7,._side_1ksnh_33,._source_1ksnh_47,._siblings_1ksnh_43{display:none!important}._page_1ksnh_1,._content_1ksnh_7{background:#fff;margin:0;padding:0}._sheetGrid_1ksnh_27{display:block}._sheet_1ksnh_27{box-shadow:none;border:0;border-radius:0}}._logoLink_1ksnh_57{align-items:center;width:154px;height:54px;display:inline-flex}._logoLink_1ksnh_57 img{object-fit:contain;width:100%;height:100%;display:block}._libraryPage_1ksnh_61{color:#101b31;background:#fbfaf6}._libraryHero_1ksnh_63{max-width:1180px;margin:0 auto;padding:44px 24px 20px}._libraryHero_1ksnh_63 h1{letter-spacing:-.06em;max-width:850px;margin:12px 0;font-size:clamp(32px,5vw,60px);line-height:1.08}._libraryHero_1ksnh_63 p{color:#707989;max-width:720px;margin:0;font-size:17px;font-weight:650;line-height:1.65}._answerFolders_1ksnh_69{gap:28px;max-width:1180px;margin:0 auto;padding:18px 24px 80px;display:grid}._answerFolder_1ksnh_69{background:#ddd9cf;border-radius:0 34px 34px;padding:92px 26px 28px;position:relative;box-shadow:inset 0 0 0 1px #111c3308}._answerFolderHead_1ksnh_73{background:#ddd9cf;border-radius:28px 28px 0 0;justify-content:space-between;align-items:flex-end;gap:14px;min-width:min(390px,72%);height:88px;padding:22px 26px 18px;display:flex;position:absolute;top:0;left:0}._answerFolderHead_1ksnh_73 strong{color:#101b31;letter-spacing:-.07em;font-size:clamp(28px,5vw,48px);line-height:1}._answerFolderHead_1ksnh_73 span{color:#747b87;letter-spacing:-.04em;margin-bottom:7px;font-size:16px;font-weight:900}._answerFolderBody_1ksnh_79{gap:22px;display:grid}._answerCategory_1ksnh_81 h2{color:#596273;letter-spacing:-.03em;margin:0 0 10px;font-size:15px;font-weight:950}._answerSubjectGrid_1ksnh_83{grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;display:grid}._answerSubjectCard_1ksnh_85{color:#101b31;text-align:center;background:#fffefa;border:1px solid #111c330f;border-radius:20px;align-content:center;place-items:center;gap:8px;min-height:92px;padding:17px 18px;text-decoration:none;display:grid;box-shadow:0 6px 18px #111c330a}._answerSubjectCard_1ksnh_85 strong{letter-spacing:-.055em;font-size:22px;font-weight:950}._answerSubjectCard_1ksnh_85 span{color:#2f6fdf;font-size:12px;font-weight:900}._emptyAnswers_1ksnh_91{background:#fffefa;border:1px solid #ddd7cc;border-radius:28px;padding:40px}._emptyAnswers_1ksnh_91 strong{font-size:24px}._emptyAnswers_1ksnh_91 p{color:#707989}@media (max-width:820px){._libraryHero_1ksnh_63{padding-top:30px}._answerFolders_1ksnh_69{padding-inline:16px}._answerFolder_1ksnh_69{border-radius:0 26px 26px;padding:82px 16px 20px}._answerFolderHead_1ksnh_73{border-radius:22px 22px 0 0;min-width:78%;height:76px;padding:18px 18px 14px}._answerFolderHead_1ksnh_73 span{font-size:13px}._answerSubjectGrid_1ksnh_83{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}._answerSubjectCard_1ksnh_85{border-radius:17px;min-height:76px;padding:14px 10px}._answerSubjectCard_1ksnh_85 strong{font-size:18px}._logoLink_1ksnh_57{width:116px;height:42px}}@media (max-width:460px){._answerFolderHead_1ksnh_73{min-width:86%}._answerSubjectCard_1ksnh_85 strong{font-size:16px}}._answerPicker_1ksnh_103{gap:22px;display:grid}._answerMonthGrid_1ksnh_105{grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:12px;display:grid}._answerMonthGrid_1ksnh_105 button{color:#101b31;text-align:left;background:#fffefa;border:1px solid #111c3314;border-radius:20px;min-height:74px;padding:14px 16px;box-shadow:0 6px 18px #111c330a}._answerMonthGrid_1ksnh_105 button b,._answerMonthGrid_1ksnh_105 button span{display:block}._answerMonthGrid_1ksnh_105 button b{letter-spacing:-.05em;margin-bottom:5px;font-size:20px;font-weight:950}._answerMonthGrid_1ksnh_105 button span{color:#6b7280;font-size:13px;font-weight:800;line-height:1.35}._answerMonthGrid_1ksnh_105 ._activeMonth_1ksnh_115{background:#edf5ff;border-color:#2f6fdf;box-shadow:inset 0 0 0 1px #2f6fdf}._sourceTabs_1ksnh_117,._gradeTabs_1ksnh_117{flex-wrap:wrap;gap:8px;display:flex}._sourceTabs_1ksnh_117 button,._gradeTabs_1ksnh_117 button{color:#101b31;background:#fffefa;border:1px solid #e1ddd6;border-radius:999px;min-height:44px;padding:10px 16px;font-size:15px;font-weight:900}._sourceTabs_1ksnh_117 ._activeSource_1ksnh_121,._gradeTabs_1ksnh_117 ._activeSource_1ksnh_121{color:#1d4ed8;background:#edf5ff;border-color:#2f6fdf;box-shadow:inset 0 0 0 1px #2f6fdf}._detailLead_1ksnh_123{color:#101b31;margin:0 0 12px;font-size:18px;font-weight:950}._answerViewer_1ksnh_125{background:#fffefa;border:1px solid #ded7cc;border-radius:32px;padding:26px;box-shadow:0 14px 36px #111c3314}._answerViewerHead_1ksnh_127{margin-bottom:18px}._answerViewerHead_1ksnh_127 span{color:#2f6fdf;font-size:13px;font-weight:950}._answerViewerHead_1ksnh_127 h2{color:#101b31;letter-spacing:-.06em;margin:5px 0 0;font-size:clamp(26px,4vw,42px);line-height:1.1}._coreAnswerSheets_1ksnh_133{grid-template-columns:repeat(4,minmax(0,1fr));align-items:start;gap:16px;display:grid}._mergeBar_1ksnh_135{background:#fbfaf6;border:1px solid #ded7cc;border-radius:18px;justify-content:space-between;align-items:center;gap:12px;margin:0 0 18px;padding:12px 16px;display:flex}._mergeBar_1ksnh_135 p{color:#596273;margin:0;font-size:14px;font-weight:750}._mergeBar_1ksnh_135 button{color:#fff;background:#173d36;border:0;border-radius:12px;min-height:44px;padding:0 16px;font-weight:850}._mergeBar_1ksnh_135 button:disabled{opacity:.45}._previewHit_1ksnh_143{cursor:zoom-in;background:#fff;border:0;width:100%;padding:0;display:block}._answerPreviewCard_1ksnh_145 header label{align-items:center;gap:8px;display:flex}._answerPreviewCard_1ksnh_145 header button{color:#2f6fdf;background:0 0;border:0;font-size:12px;font-weight:900}._modal_1ksnh_149{z-index:40;place-items:center;padding:24px;display:grid;position:fixed;inset:0}._modalBackdrop_1ksnh_151{background:#101b318c;border:0;position:absolute;inset:0}._modalCard_1ksnh_153{z-index:1;background:#fffefa;border-radius:24px;width:min(920px,100%);max-height:calc(100vh - 48px);padding:18px;position:relative;overflow:auto;box-shadow:0 24px 64px #101b3147}._modalCard_1ksnh_153 header{justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:12px;display:flex}._modalCard_1ksnh_153 header span{color:#2f6fdf;font-size:13px;font-weight:950}._modalCard_1ksnh_153 header h3{letter-spacing:-.05em;margin:4px 0 0;font-size:28px}._modalCard_1ksnh_153 img{background:#fff;border:1px solid #e1ddd6;border-radius:16px;width:100%;height:auto;display:block}._modalClose_1ksnh_163,._modalActions_1ksnh_163 button{border:0;border-radius:12px;min-height:44px;padding:0 16px;font-weight:850}._modalClose_1ksnh_163{color:#101b31;background:#ece8df}._modalActions_1ksnh_163{flex-wrap:wrap;gap:8px;margin-top:14px;display:flex}._modalActions_1ksnh_163 button{color:#fff;background:#173d36}._modalActions_1ksnh_163 button:last-child{color:#101b31;background:#ece8df}._answerPreviewCard_1ksnh_145{background:#fbfaf6;border:1px solid #e1ddd6;border-radius:24px;overflow:hidden;box-shadow:0 8px 24px #111c330f}._answerPreviewCard_1ksnh_145 header{background:#fffefa;border-bottom:1px solid #ece8df;justify-content:space-between;align-items:center;gap:12px;min-height:56px;padding:14px 16px;display:flex}._answerPreviewCard_1ksnh_145 header strong{color:#101b31;letter-spacing:-.05em;font-size:20px;font-weight:950}._answerPreviewCard_1ksnh_145 header a{color:#2f6fdf;flex:none;font-size:12px;font-weight:900;text-decoration:none}._answerPreviewCard_1ksnh_145 img{background:#fff;width:100%;height:auto;display:block}._detailAnswerPicker_1ksnh_183{background:#fbfaf6;border:1px solid #ded7cc;border-radius:24px;margin-top:22px;padding:16px}._detailAnswerPicker_1ksnh_183 summary{cursor:pointer;color:#101b31;letter-spacing:-.04em;font-size:18px;font-weight:950}._detailSubjectGrid_1ksnh_187{grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;margin:16px 0;display:grid}._detailSubjectGrid_1ksnh_187 button{color:#101b31;text-align:left;background:#fffefa;border:1px solid #e1ddd6;border-radius:18px;min-height:62px;padding:10px 12px}._detailSubjectGrid_1ksnh_187 button span{color:#e06b16;margin-bottom:4px;font-size:11px;font-weight:950;display:block}._detailSubjectGrid_1ksnh_187 button strong{letter-spacing:-.04em;font-size:17px;font-weight:950}._detailSubjectGrid_1ksnh_187 ._activeSubject_1ksnh_195{background:#fff3e7;border-color:#f97316;box-shadow:inset 0 0 0 1px #f97316}@media (max-width:920px){._coreAnswerSheets_1ksnh_133{grid-template-columns:1fr 1fr}._answerViewer_1ksnh_125{border-radius:26px;padding:18px}._mergeBar_1ksnh_135{flex-direction:column;align-items:stretch}}@media (max-width:520px){._answerMonthGrid_1ksnh_105{grid-template-columns:1fr}._detailSubjectGrid_1ksnh_187{grid-template-columns:repeat(2,minmax(0,1fr))}._answerPreviewCard_1ksnh_145 header{flex-direction:column;align-items:flex-start}}._subjectRail_1ksnh_205,._yearRail_1ksnh_205,._sessionRail_1ksnh_205{scrollbar-width:thin;gap:8px;min-width:0;padding:2px 2px 8px;display:flex;overflow-x:auto}._subjectRail_1ksnh_205 button,._yearRail_1ksnh_205 button,._sessionRail_1ksnh_205 button{color:#101b31;min-height:44px;font:inherit;background:#fffefa;border:1px solid #e1ddd6;border-radius:14px;flex:none;padding:9px 14px;font-size:14px;font-weight:900}._sessionRail_1ksnh_205 button{text-align:left;min-width:112px}._sessionRail_1ksnh_205 button b,._sessionRail_1ksnh_205 button span{display:block}._sessionRail_1ksnh_205 button b{margin-bottom:3px;font-size:16px}._sessionRail_1ksnh_205 button span{color:#6b7280;font-size:12px}._subjectRail_1ksnh_205 ._activeSubject_1ksnh_195,._yearRail_1ksnh_205 ._activeYear_1ksnh_217,._sessionRail_1ksnh_205 ._activeMonth_1ksnh_115{color:#1d4ed8;background:#edf5ff;border-color:#2f6fdf;box-shadow:inset 0 0 0 1px #2f6fdf}._sessionRail_1ksnh_205 ._activeMonth_1ksnh_115 span{color:#1d4ed8}._answerViewerHead_1ksnh_127 p{color:#707989;max-width:720px;margin:9px 0 0;font-size:14px;font-weight:650;line-height:1.6}._answerCardHeader_1ksnh_225{min-height:64px}._answerCardHeader_1ksnh_225 h3{color:#101b31;letter-spacing:-.05em;margin:4px 0 0;font-size:22px}._answerCardMeta_1ksnh_229,._answerCardCategory_1ksnh_229{color:#2f6fdf;font-size:12px;font-weight:900}._answerCardCategory_1ksnh_229{flex:none}._answerPreviewGrid_1ksnh_233{grid-template-columns:repeat(5,minmax(0,1fr));align-items:start;gap:16px;padding:16px;display:grid}._examThumbnail_1ksnh_235{background:#fff;border:1px solid #e1ddd6;border-radius:16px;grid-column:1/span 3;min-width:0;overflow:hidden}._examThumbnail_1ksnh_235 img{object-fit:contain;object-position:top center;width:100%;height:clamp(190px,38vw,420px);display:block}._examThumbnail_1ksnh_235>span{color:#707989;text-align:center;border-top:1px solid #ece8df;padding:7px 10px;font-size:11px;font-weight:800;display:block}._thumbnailEmpty_1ksnh_241{color:#707989;text-align:center;place-items:center;min-height:132px;padding:14px;font-size:12px;line-height:1.5;display:grid}._answerOptions_1ksnh_243{flex-direction:column;grid-column:4/span 2;align-items:stretch;gap:10px;min-width:0;display:flex}._answerStatus_1ksnh_245{color:#1d4ed8;overflow-wrap:anywhere;background:#edf5ff;border-radius:10px;padding:9px 10px;font-size:12px;font-weight:900;line-height:1.4}._choiceButtons_1ksnh_247{grid-template-columns:minmax(0,1fr);gap:8px;display:grid}._choiceButtons_1ksnh_247 button,._answerOpenButton_1ksnh_249{color:#101b31;width:100%;min-height:44px;font:inherit;background:#fffefa;border:1px solid #e1ddd6;border-radius:12px;padding:8px 10px;font-size:13px;font-weight:900}._choiceButtons_1ksnh_247 ._activeChoice_1ksnh_251{color:#1d4ed8;background:#edf5ff;border-color:#2f6fdf;box-shadow:inset 0 0 0 1px #2f6fdf}._pickAnswer_1ksnh_253{color:#101b31;cursor:pointer;background:#fffefa;border:1px solid #e1ddd6;border-radius:12px;align-items:center;gap:9px;min-height:44px;padding:8px 10px;font-size:13px;font-weight:850;display:flex}._pickAnswer_1ksnh_253 input{accent-color:#173d36;flex:none;width:20px;height:20px;margin:0}._answerOpenButton_1ksnh_249{color:#fff;background:#173d36;border-color:#173d36}._answerTable_1ksnh_261{padding:0 16px 18px}._answerTableHead_1ksnh_263{border-top:1px solid #ece8df;justify-content:space-between;align-items:center;gap:10px;margin-bottom:12px;padding-top:14px;display:flex}._answerTableHead_1ksnh_263 strong{color:#101b31;font-size:18px}._readonlyStatus_1ksnh_267{color:#707989;text-align:right;font-size:11px;font-weight:800}._answerBlock_1ksnh_269+._answerBlock_1ksnh_269{margin-top:18px}._answerBlock_1ksnh_269 h4{color:#596273;margin:0 0 8px;font-size:14px;font-weight:950}._answerBand_1ksnh_273+._answerBand_1ksnh_273{margin-top:8px}._answerGrid_1ksnh_275{table-layout:fixed;border-spacing:6px 4px;width:100%}._answerGrid_1ksnh_275 caption{clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}._numberCell_1ksnh_279,._answerCell_1ksnh_279{box-sizing:border-box;text-align:center;width:20%;min-width:0}._numberCell_1ksnh_279{color:#173d36;white-space:nowrap;background:#d8eee7;border-radius:8px;height:30px;padding:4px 2px;font-size:12px;font-weight:950;line-height:1.2}._numberGap_1ksnh_283,._answerGrid_1ksnh_275 th[data-number-gap=true]{box-shadow:none;background:0 0;border-color:#0000}._questionNumber_1ksnh_285{vertical-align:middle;display:inline-block}._scoreBadge_1ksnh_287{color:#596273;vertical-align:middle;white-space:nowrap;background:#ffffffb3;border-radius:4px;max-width:calc(100% - 2.4em);margin-left:3px;padding:1px 3px;font-size:9px;font-weight:700;line-height:1.2;display:inline-block}._answerCell_1ksnh_279{color:#101b31;background:#fff;border:1px solid #e1ddd6;border-radius:9px;height:42px;padding:5px 2px}._answerCell_1ksnh_279:not([data-number]){background:0 0;border-color:#0000}._answerValue_1ksnh_293{font-size:17px;font-weight:850}._boundaryCell_1ksnh_295{border-left:3px solid #e06b16;border-top-left-radius:3px;border-bottom-left-radius:3px}._subjectRail_1ksnh_205 button:focus-visible{outline-offset:2px;outline:3px solid #185abc}._yearRail_1ksnh_205 button:focus-visible{outline-offset:2px;outline:3px solid #185abc}._sessionRail_1ksnh_205 button:focus-visible{outline-offset:2px;outline:3px solid #185abc}._choiceButtons_1ksnh_247 button:focus-visible{outline-offset:2px;outline:3px solid #185abc}._answerOpenButton_1ksnh_249:focus-visible{outline-offset:2px;outline:3px solid #185abc}._pickAnswer_1ksnh_253:has(input:focus-visible){outline-offset:2px;outline:3px solid #185abc}._mergeBar_1ksnh_135 button:focus-visible{outline-offset:2px;outline:3px solid #185abc}._modalActions_1ksnh_163 button:focus-visible{outline-offset:2px;outline:3px solid #185abc}._modalClose_1ksnh_163:focus-visible{outline-offset:2px;outline:3px solid #185abc}@media (max-width:820px){._answerFolders_1ksnh_69{padding-inline:16px}._answerViewer_1ksnh_125{padding:16px}._answerPreviewGrid_1ksnh_233{gap:10px;padding:12px}._examThumbnail_1ksnh_235 img{height:clamp(190px,34vw,260px)}._answerOptions_1ksnh_243{gap:8px}._answerTable_1ksnh_261{padding:0 12px 14px}}@media (max-width:520px){._answerFolders_1ksnh_69{gap:20px}._answerPicker_1ksnh_103{gap:14px}._answerViewer_1ksnh_125{border-radius:22px;padding:10px}._answerViewerHead_1ksnh_127{padding:4px 4px 0}._answerPreviewCard_1ksnh_145 header{flex-direction:row;align-items:center;padding:12px}._answerCardHeader_1ksnh_225 h3{font-size:19px}._answerCardCategory_1ksnh_229{font-size:11px}._answerPreviewGrid_1ksnh_233{grid-template-columns:repeat(5,minmax(0,1fr));gap:7px;padding:9px}._examThumbnail_1ksnh_235{border-radius:12px;grid-column:1/span 3}._examThumbnail_1ksnh_235 img{height:clamp(150px,48vw,190px)}._thumbnailEmpty_1ksnh_241{min-height:110px;padding:8px;font-size:11px}._examThumbnail_1ksnh_235>span{padding:6px 4px;font-size:10px}._answerOptions_1ksnh_243{grid-column:4/span 2;gap:6px}._answerStatus_1ksnh_245{padding:7px 6px;font-size:11px}._choiceButtons_1ksnh_247{gap:6px}._choiceButtons_1ksnh_247 button,._answerOpenButton_1ksnh_249,._pickAnswer_1ksnh_253{white-space:normal;min-height:44px;padding:7px 6px;font-size:12px;line-height:1.3}._pickAnswer_1ksnh_253{gap:6px}._pickAnswer_1ksnh_253 input{width:18px;height:18px}._answerTable_1ksnh_261{padding:0 8px 12px}._answerTableHead_1ksnh_263{align-items:flex-start}._readonlyStatus_1ksnh_267{max-width:55%}._answerGrid_1ksnh_275{border-spacing:3px 4px}._numberCell_1ksnh_279{height:30px;padding-inline:1px;font-size:11px}._scoreBadge_1ksnh_287{margin-left:2px;padding-inline:2px;font-size:8px}._answerCell_1ksnh_279{height:40px;padding-inline:1px}._answerValue_1ksnh_293{font-size:15px}}@media (max-width:360px){._answerPreviewGrid_1ksnh_233{gap:5px;padding-inline:7px}._answerStatus_1ksnh_245{font-size:10px}._choiceButtons_1ksnh_247 button,._answerOpenButton_1ksnh_249,._pickAnswer_1ksnh_253{padding-inline:4px;font-size:11px}._numberCell_1ksnh_279{font-size:10px}._scoreBadge_1ksnh_287{margin-left:1px;font-size:7px}}