/*! normalize.css v8.0.1 | MIT License | github.com/necolas/normalize.css */html{line-height:1.15;-webkit-text-size-adjust:100%}body{margin:0}main{display:block}h1{font-size:2em;margin:.67em 0}hr{box-sizing:content-box;height:0;overflow:visible}pre{font-family:monospace,monospace;font-size:1em}a{background-color:transparent}abbr[title]{border-bottom:none;text-decoration:underline;text-decoration:underline dotted}b,strong{font-weight:bolder}code,kbd,samp{font-family:monospace,monospace;font-size:1em}small{font-size:80%}sub,sup{font-size:75%;line-height:0;position:relative;vertical-align:baseline}sub{bottom:-0.25em}sup{top:-0.5em}img{border-style:none}button,input,optgroup,select,textarea{font-family:inherit;font-size:100%;line-height:1.15;margin:0}button,input{overflow:visible}button,select{text-transform:none}button,[type=button],[type=reset],[type=submit]{-webkit-appearance:button}button::-moz-focus-inner,[type=button]::-moz-focus-inner,[type=reset]::-moz-focus-inner,[type=submit]::-moz-focus-inner{border-style:none;padding:0}button:-moz-focusring,[type=button]:-moz-focusring,[type=reset]:-moz-focusring,[type=submit]:-moz-focusring{outline:1px dotted ButtonText}fieldset{padding:.35em .75em .625em}legend{box-sizing:border-box;color:inherit;display:table;max-width:100%;padding:0;white-space:normal}progress{vertical-align:baseline}textarea{overflow:auto}[type=checkbox],[type=radio]{box-sizing:border-box;padding:0}[type=number]::-webkit-inner-spin-button,[type=number]::-webkit-outer-spin-button{height:auto}[type=search]{-webkit-appearance:textfield;outline-offset:-2px}[type=search]::-webkit-search-decoration{-webkit-appearance:none}::-webkit-file-upload-button{-webkit-appearance:button;font:inherit}details{display:block}summary{display:list-item}template{display:none}[hidden]{display:none}@font-face{font-family:GmarketSansM;src:url(src/static/font/GmarketSansTTFMedium.woff)}@font-face{font-family:GmarketSansL;src:url(src/static/font/GmarketSansTTFLight.woff)}@font-face{font-family:GmarketSansB;src:url(src/static/font/GmarketSansTTFBold.woff)}@font-face{font-family:NotoSansB;src:url(src/static/font/NotoSansB.woff)}@font-face{font-family:NotoSansR;src:url(src/static/font/NotoSansR.woff)}@font-face{font-family:NanumSquareB;src:url(src/static/font/NanumSquareB.woff)}@font-face{font-family:NanumSquareRoundB;src:url(src/static/font/NanumSquareRoundB.woff)}@font-face{font-family:TmoneyRoundWindRegular;src:url(src/static/font/TmoneyRoundWindRegular.woff)}@font-face{font-family:TmoneyRoundWindExtraBold;src:url(src/static/font/TmoneyRoundWindExtraBold.woff)}@font-face{font-family:SCDream;src:url(src/static/font/SCDream7.woff)}html,body{overflow:hidden}body{-webkit-backface-visibility:hidden;-ms-backface-visibility:hidden;backface-visibility:hidden;-webkit-touch-callout:none;-webkit-user-select:none;-khtml-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;position:relative;width:100vw;height:100vh;color:#fff;font-family:"GmarketSansM",sans-serif}.Responsive{-webkit-transition:background .4s;-ms-transition:background .4s;transition:background .4s;-webkit-transform-origin:left top;-ms-transform-origin:left top;transform-origin:left top;position:absolute;top:0;left:0;width:1280px;height:720px;overflow:hidden;overflow:visible}.Hamberger-Button{display:flex;flex-direction:column;align-items:flex-start;justify-content:space-around;position:relative;width:26px;height:26px;cursor:pointer}.Hamberger-Button>div{width:100%;height:4px;border-radius:2px;background-color:#fff;pointer-events:none}.Hamberger-Button>div:nth-child(2){width:55%}.Hamberger-Button>div:nth-child(3){width:78%}.toast{z-index:40}header{box-sizing:border-box;position:absolute;top:0;right:0;left:0;display:flex;align-items:center;justify-content:space-between;height:60px;padding-top:8px;font-family:"GmarketSansB",sans-serif;letter-spacing:-0.05em;z-index:20}header .Hamberger-Button{margin:0 20px 0 30px}[data-subject=math_4-1] header,[data-subject=math_4-2] header{font-family:"TmoneyRoundWindExtraBold",sans-serif}.Header__Area{display:flex;align-items:center;justify-content:flex-start}.Header__Area.Right>div{margin-right:30px}.Header__Area.Right>.Header__Text--Main{position:relative}.Header__Area.Right>.Header__Text--Main::before{position:absolute;display:block;top:2px;bottom:2px;left:-15px;width:1px;background:#fff;opacity:.5;content:""}.Header__Subject{font-size:26px}.Header__Text{cursor:pointer}.Header__Text--Main{font-size:16px}.Header__Text--Sub{font-size:14px}.Header__Text--Sub::after{content:" >"}.Header__Text--Hidden{-webkit-transition:all .6s;-ms-transition:all .6s;transition:all .6s;position:relative;margin-left:30px;font-size:24px;opacity:0;visibility:hidden}.Header__Text--Hidden::before{position:absolute;display:block;top:2px;bottom:2px;left:-15px;width:1px;background:#fff;opacity:.5;content:""}.Show-Archive .Header__Text--Hidden{opacity:1;visibility:visible}.Header__My-Class-Maker{display:flex;align-items:center;justify-content:flex-start}.Header__My-Class-Maker .Header__Text--Main{cursor:default}.Header__My-Class-Maker .Header__Text--Sub{margin-left:14px}.Header__Help{-webkit-transform:translateY(-2px);-ms-transform:translateY(-2px);transform:translateY(-2px);width:25px;height:25px;background:url(src/static/image/help_icon.svg) center/contain no-repeat;cursor:pointer}.Main__Toc{position:absolute;left:843px;top:167px;width:430px}[data-subject=math_3-2] .Main__Toc{left:803px;top:156px;width:470px}[data-subject=math_4-1] .Main__Toc,[data-subject=math_4-2] .Main__Toc{left:772px;top:66px;width:1280px;height:610px;color:#555;font-family:"TmoneyRoundWindRegular",sans-serif;font-size:18px}.Show-Archive .Main__Toc{-webkit-transform:translate(0, 29px);-ms-transform:translate(0, 29px);transform:translate(0, 29px);width:440px}.Main__Toc::before{-webkit-transition:opacity .6s;-ms-transition:opacity .6s;transition:opacity .6s;content:"";position:absolute;top:0;bottom:0;left:0;width:1px;background:#fff;opacity:.5;z-index:1}.Show-Archive .Main__Toc::before{opacity:0}[data-subject=math_4-1] .Main__Toc::before,[data-subject=math_4-2] .Main__Toc::before{display:none}.Show-Archive[data-subject=math_3-2] .Main__Toc{-webkit-transform:translate(10px, 36px);-ms-transform:translate(10px, 36px);transform:translate(10px, 36px);width:470px}.Show-Archive[data-subject=math_4-1] .Main__Toc,.Show-Archive[data-subject=math_4-2] .Main__Toc{-webkit-transform:translate(48px, 48px);-ms-transform:translate(48px, 48px);transform:translate(48px, 48px);width:463px}.Main__Toc--Changed{-webkit-transition:width 0.6s, transform 0.6s;-ms-transition:width 0.6s, transform 0.6s;transition:width 0.6s, transform 0.6s}.Main__Toc__Lesson-Name{-webkit-transition:transform .6s;-ms-transition:transform .6s;transition:transform .6s;position:absolute;top:-72px;left:-7px;padding-right:10px;font-family:"GmarketSansB",sans-serif;font-size:48px;letter-spacing:-0.07em;overflow:hidden}.Main__Toc__Lesson-Name>div{-webkit-transform:translateY(-100%);-ms-transform:translateY(-100%);transform:translateY(-100%);-webkit-transition:all .4s;-ms-transition:all .4s;transition:all .4s;opacity:0}.Main__Toc--Changed .Main__Toc__Lesson-Name>div{-webkit-transform:translateY(0);-ms-transform:translateY(0);transform:translateY(0);opacity:1}[data-subject=math_4-1] .Main__Toc__Lesson-Name>div,[data-subject=math_4-2] .Main__Toc__Lesson-Name>div{display:flex}.Main__Toc__Lesson-Name__No{margin-right:4px;color:#828ad9}.Lesson--7[data-subject=math_4-1] .Main__Toc__Lesson-Name__No,.Lesson--7[data-subject=math_4-2] .Main__Toc__Lesson-Name__No{display:none}.Main__Toc__Lesson-Name__No::after{content:"."}[data-subject=math_3-2] .Main__Toc__Lesson-Name{transform:translateX(26px)}[data-subject=math_4-1] .Main__Toc__Lesson-Name,[data-subject=math_4-2] .Main__Toc__Lesson-Name{position:relative;top:auto;left:auto;height:86px;margin-left:32px;line-height:100px;color:#333;font-family:"TmoneyRoundWindExtraBold",sans-serif;font-size:42px}.Main__Toc__Lesson-Number{-webkit-transition:all .6s;-ms-transition:all .6s;transition:all .6s;position:absolute;top:-26px;height:426px;pointer-events:none;opacity:0;z-index:-1}.Main__Toc--Changed .Main__Toc__Lesson-Number{opacity:1}.Show-Archive .Main__Toc__Lesson-Number{opacity:0}[data-subject=math_4-1] .Main__Toc__Lesson-Number,[data-subject=math_4-2] .Main__Toc__Lesson-Number{display:none;background:none !important}.Main__Toc__List{-webkit-transform:translateY(-4px);-ms-transform:translateY(-4px);transform:translateY(-4px);position:relative;padding-left:16px;letter-spacing:-0.07em;text-align:justify;z-index:1}.Main__Toc__List__Item{-webkit-transition:margin .6s;-ms-transition:margin .6s;transition:margin .6s;position:relative;margin:4px 0;line-height:22px;overflow:hidden}.Show-Archive .Main__Toc__List__Item{margin:1px 0}[data-subject=math_4-1] .Main__Toc__List__Item,[data-subject=math_4-2] .Main__Toc__List__Item{display:flex;align-items:center;width:454px;height:32px;margin:0 0 1px 0;border-radius:16px}.Main__Toc__List__Item__Button{-webkit-transform:translateY(-100%);-ms-transform:translateY(-100%);transform:translateY(-100%);-webkit-transition:all .4s;-ms-transition:all .4s;transition:all .4s;opacity:0;box-sizing:border-box;display:inline-flex;align-items:center;justify-content:flex-start;position:relative;height:32px;padding:5px 12px 3px 6px;font-size:17px;overflow:hidden;cursor:pointer}.Main__Toc--Changed .Main__Toc__List__Item__Button{-webkit-transform:translateY(0);-ms-transform:translateY(0);transform:translateY(0);opacity:1}.Main__Toc__List__Item__Button::before{-webkit-transition:all .4s cubic-bezier(0.39, 0.58, 0.57, 1);-ms-transition:all .4s cubic-bezier(0.39, 0.58, 0.57, 1);transition:all .4s cubic-bezier(0.39, 0.58, 0.57, 1);content:"";position:absolute;top:0;bottom:0;left:0;width:0;background:#fff;border-radius:16px;z-index:-1}.Main__Toc__List__Item__Button *{pointer-events:none}[data-subject=math_4-1] .Main__Toc__List__Item__Button,[data-subject=math_4-2] .Main__Toc__List__Item__Button{padding:0 4px 0 30px}.Main__Toc__List__Item__Number{-webkit-transform:translate(-2px, -1px);-ms-transform:translate(-2px, -1px);transform:translate(-2px, -1px);position:relative;display:flex;align-items:center;justify-content:center;width:55px;height:26px;margin-right:4px;font-size:15px}.Main__Toc__List__Item__Number::before{position:absolute;top:0;left:0;width:100%;height:100%;content:"";border-radius:13px;background-color:#fff;opacity:.2}.Selected .Main__Toc__List__Item__Number::before,.Hover .Main__Toc__List__Item__Number::before{-webkit-transition:all .4s;-ms-transition:all .4s;transition:all .4s;background-color:#000;opacity:.1}[data-subject=math_4-1] .Selected .Main__Toc__List__Item__Number::before,[data-subject=math_4-2] .Selected .Main__Toc__List__Item__Number::before,[data-subject=math_4-1] .Hover .Main__Toc__List__Item__Number::before,[data-subject=math_4-2] .Hover .Main__Toc__List__Item__Number::before{background-color:#fff;opacity:1}[data-subject=math_4-1] .Main__Toc__List__Item__Number::before,[data-subject=math_4-2] .Main__Toc__List__Item__Number::before{opacity:.3;z-index:-1}[data-subject=math_4-1] .Main__Toc__List__Item__Number,[data-subject=math_4-2] .Main__Toc__List__Item__Number{-webkit-transform:none;-ms-transform:none;transform:none;width:56px;height:25px;line-height:25px;color:#777;font-size:16px}[data-subject=math_4-1] .Selected .Main__Toc__List__Item__Number,[data-subject=math_4-2] .Selected .Main__Toc__List__Item__Number,[data-subject=math_4-1] .Hover .Main__Toc__List__Item__Number,[data-subject=math_4-2] .Hover .Main__Toc__List__Item__Number{color:#777}.Main__Toc__List__Item__Number.Disabled{opacity:0}.Main__Toc__List__Item__Icon{-webkit-transition:all .4s;-ms-transition:all .4s;transition:all .4s;position:relative;width:0;height:22px;margin-left:4px;opacity:0;pointer-events:none}.Main__Toc__List__Item__Icon>svg{-webkit-transform:translateY(-3px);-ms-transform:translateY(-3px);transform:translateY(-3px)}.Main__Toc__List__Item:first-child{margin-top:0}.Main__Toc__List__Item.Hover .Main__Toc__List__Item__Button::before{width:100%}[data-subject=math_4-1] .Main__Toc__List__Item.Hover .Main__Toc__List__Item__Button::before,[data-subject=math_4-2] .Main__Toc__List__Item.Hover .Main__Toc__List__Item__Button::before{display:none}[data-subject=math_4-1] .Main__Toc__List__Item.Hover,[data-subject=math_4-2] .Main__Toc__List__Item.Hover{background:#5e6abf}.Main__Toc__List__Item.Selected .Main__Toc__List__Item__Button::before{width:100%}[data-subject=math_4-1] .Main__Toc__List__Item.Selected .Main__Toc__List__Item__Button::before,[data-subject=math_4-2] .Main__Toc__List__Item.Selected .Main__Toc__List__Item__Button::before{display:none}.Main__Toc__List__Item.Selected .Main__Toc__List__Item__Icon{width:22px;opacity:1;pointer-events:auto}[data-subject=math_4-1] .Main__Toc__List__Item.Selected,[data-subject=math_4-2] .Main__Toc__List__Item.Selected{background:#5e6abf url(src/static/image/toc/hoverIcon.svg) 10px center/18px auto no-repeat}.Main__Toc__List__Item.Description{-webkit-transition:all .6s;-ms-transition:all .6s;transition:all .6s;padding-top:8px;padding-right:60px;line-height:1.5;overflow:hidden}.Main__Toc__List__Item.Description>div{-webkit-transform:translateY(-100%);-ms-transform:translateY(-100%);transform:translateY(-100%);-webkit-transition:all .4s;-ms-transition:all .4s;transition:all .4s;opacity:0}.Main__Toc--Changed .Main__Toc__List__Item.Description>div{-webkit-transform:translateY(0);-ms-transform:translateY(0);transform:translateY(0);opacity:1}.Show-Archive .Main__Toc__List__Item.Description{opacity:0;visibility:hidden}[data-subject=math_4-1] .Main__Toc__List__Item.Description,[data-subject=math_4-2] .Main__Toc__List__Item.Description{width:424px;height:auto;margin-left:55px}[data-subject=math_4-1] .Main__Toc__List,[data-subject=math_4-2] .Main__Toc__List{-webkit-transform:none;-ms-transform:none;transform:none;margin-top:12px;padding:0}.Main__Toc__Archive-Line-List{position:absolute;top:0;left:0;width:100%;opacity:0;visibility:hidden}.Show-Archive .Main__Toc__Archive-Line-List{-webkit-transition:all .6s .6s;-ms-transition:all .6s .6s;transition:all .6s .6s;opacity:1;visibility:visible}.Changing-Archive .Main__Toc__Archive-Line-List{-webkit-transition:all .6s;-ms-transition:all .6s;transition:all .6s;opacity:0;visibility:hidden}.Main__Toc__Archive-Line-List__Item{border-top:1px solid rgba(255,255,255,.5);height:32px}.Main__Toc__Archive-Line-List__Item:last-child{border-bottom:1px solid rgba(255,255,255,.5)}.Main__Toc__Background{display:none;position:absolute;top:0;left:0;width:100%;height:100%;border-top-left-radius:30px;border-bottom-left-radius:80px;background:linear-gradient(#fff, rgba(255, 255, 255, 0.3));opacity:.25}[data-subject=math_4-1] .Main__Toc__Background,[data-subject=math_4-2] .Main__Toc__Background{display:block}.Show-Archive .Main__Toc__Background{-webkit-transition:all .6s;-ms-transition:all .6s;transition:all .6s;opacity:0;visibility:hidden}.Main__Toc__Line{-webkit-transition:all .6s;-ms-transition:all .6s;transition:all .6s;display:none;width:417px;height:1px;margin:0 0 0 58px;background:#828ad9;opacity:.5}[data-subject=math_4-1] .Main__Toc__Line,[data-subject=math_4-2] .Main__Toc__Line{display:block;width:447px;height:1px;margin:0 0 0 30px}.Show-Archive .Main__Toc__Line{opacity:0;visibility:hidden}.Main__Toc__Additional{-webkit-transition:all .6s;-ms-transition:all .6s;transition:all .6s;box-sizing:border-box;position:absolute;left:20px;top:450px;font-size:0;opacity:0;visibility:hidden}[data-subject=math_3-2] .Main__Toc__Additional{top:470px}[data-subject=math_4-1] .Main__Toc__Additional,[data-subject=math_4-2] .Main__Toc__Additional{left:52px;top:542px;width:428px;height:40px;border-radius:20px;border:1px solid #6d7dc9;margin:0}.Main__Toc--Changed .Main__Toc__Additional{opacity:1;visibility:visible}.Main__Toc__Additional__Button{-webkit-transition:all .4s;-ms-transition:all .4s;transition:all .4s;display:inline-flex;align-items:center;justify-content:center;width:168px;height:40px;border-radius:20px;border:2px solid #fff;margin-right:10px;font-size:20px;font-family:"GmarketSansB",sans-serif;color:#fff;line-height:40px;cursor:pointer}.Main__Toc__Additional__Button .st0{-webkit-transition:all .4s;-ms-transition:all .4s;transition:all .4s}.Main__Toc__Additional__Button__Icon{display:none}.Main__Toc__Additional__Button.Hover{background:#fff}[data-subject=math_4-1] .Main__Toc__Additional__Button.Hover.Hover,[data-subject=math_4-2] .Main__Toc__Additional__Button.Hover.Hover{background:none;color:#fff}[data-subject=math_4-1] .Main__Toc__Additional__Button.Hover.Hover .st0,[data-subject=math_4-2] .Main__Toc__Additional__Button.Hover.Hover .st0{fill:#fff}[data-subject=math_4-1] .Main__Toc__Additional__Button,[data-subject=math_4-2] .Main__Toc__Additional__Button{-webkit-transform:translate(-50%, -50%);-ms-transform:translate(-50%, -50%);transform:translate(-50%, -50%);display:flex;position:absolute;top:50%;width:130px;border:none;font-family:"NanumSquareRoundB",sans-serif;color:#6d7dc9}[data-subject=math_4-1] .Main__Toc__Additional__Button__Icon,[data-subject=math_4-2] .Main__Toc__Additional__Button__Icon{display:block;width:25px;height:25px;margin-right:4px}[data-subject=math_4-1] .Main__Toc__Additional__Button__Icon>svg,[data-subject=math_4-2] .Main__Toc__Additional__Button__Icon>svg{width:100%;height:auto;vertical-align:top}[data-subject=math_4-1] .Main__Toc__Additional__Button.Left,[data-subject=math_4-2] .Main__Toc__Additional__Button.Left{left:25%}[data-subject=math_4-1] .Main__Toc__Additional__Button.Right,[data-subject=math_4-2] .Main__Toc__Additional__Button.Right{left:75%}.Show-Archive .Main__Toc__Additional{opacity:0;visibility:hidden}.Main__Toc__Additional__Line{display:none}[data-subject=math_4-1] .Main__Toc__Additional__Line,[data-subject=math_4-2] .Main__Toc__Additional__Line{display:block;position:absolute;left:calc(428px / 2);top:10px;width:1px;height:20px;background:#6d7dc9;opacity:.5}main{position:absolute;top:0;left:0;width:100%;height:100%;z-index:10}.Show-Archive .Main__Canvas .Main__Canvas__Ani span{opacity:0}.Main__Inner{-webkit-transition:transform .6s;-ms-transition:transform .6s;transition:transform .6s;position:absolute;top:0;left:0;bottom:0}.Show-Archive .Main__Inner{-webkit-transform:translate(-805px, -30px);-ms-transform:translate(-805px, -30px);transform:translate(-805px, -30px)}.Pre-Show-Archive .Main__Inner{-webkit-transition:none;-ms-transition:none;transition:none}.Main__Canvas{-webkit-transition:transform .6s;-ms-transition:transform .6s;transition:transform .6s;position:absolute;top:0;left:0;width:1280px;height:720px}.Show-Archive .Main__Canvas{-webkit-transform:matrix(0.4, 0, 0, 0.4, 220, 330);-ms-transform:matrix(0.4, 0, 0, 0.4, 220, 330);transform:matrix(0.4, 0, 0, 0.4, 220, 330);pointer-events:none}.Main__Canvas__Char{-webkit-transition:all .6s;-ms-transition:all .6s;transition:all .6s;position:absolute;top:0;left:0;width:1280px;height:720px}.Changing-Archive .Main__Canvas__Char{opacity:0 !important;visibility:hidden}.Main__Canvas__Loading{position:absolute;top:0;left:0;width:1280px;height:720px;opacity:0;visibility:hidden}.Main__Canvas__Ani{-webkit-backface-visibility:hidden;-ms-backface-visibility:hidden;backface-visibility:hidden;position:absolute;top:0;left:0;background:transparent}.Main__Canvas__Ani span{position:absolute;left:-48%;bottom:70px;width:200%;text-align:center;font-size:80px;font-family:"TmoneyRoundWindExtraBold",sans-serif;text-shadow:0 0 6px #000,0 0 6px #000,0 0 6px #000,0 0 6px #000,0 0 6px #000,0 0 6px #000,0 0 6px #000,0 0 6px #000,0 0 6px #000,0 0 6px #000,0 0 6px #000,0 0 6px #000,0 0 6px #000,0 0 6px #000,0 0 6px #000,0 0 6px #000,0 0 6px #000,0 0 6px #000,0 0 6px #000,0 0 6px #000,0 0 6px #000,0 0 6px #000,0 0 6px #000,0 0 6px #000,0 0 6px #000,0 0 6px #000,0 0 6px #000,0 0 6px #000,0 0 6px #000,0 0 6px #000,0 0 6px #000,0 0 6px #000,0 0 6px #000,0 0 6px #000,0 0 6px #000,0 0 6px #000,0 0 6px #000,0 0 6px #000,0 0 6px #000,0 0 6px #000,0 0 6px #000,0 0 6px #000,0 0 6px #000,0 0 6px #000,0 0 6px #000,0 0 6px #000,0 0 6px #000,0 0 6px #000,0 0 6px #000,0 0 6px #000;transition:opacity .5s ease-in-out}[data-subject=math_4-1] .Main__Canvas__Ani span,[data-subject=math_4-2] .Main__Canvas__Ani span{left:-46%}[data-subject=math_3-1] .Main__Canvas__Ani:nth-child(5) span,[data-subject=math_3-1] .Main__Canvas__Ani:nth-child(6) span{left:-52%}[data-subject=math_4-2] .Main__Canvas__Ani:nth-child(3) span{left:-49%}.Main__Canvas__Ani:nth-child(7) span,.Main__Canvas__Ani.large span{opacity:0}.Main__Canvas.Loading{z-index:21}.Main__Canvas.Loading .Main__Canvas__Char{opacity:0;visibility:hidden}.Main__Canvas.Loading .Main__Canvas__Loading{opacity:1;visibility:visible}.Main__Canvas.Loading .Main__Canvas__Ani{display:none}.Toc-Popup{position:absolute;top:0;left:0;width:100%;height:100%;display:none;background-color:#fff;letter-spacing:-0.05em}.Toc-Popup__Background{position:absolute;top:0;left:0;width:100%;height:100%;background:url(src/static/image/tocPopup/background.svg) center/contain no-repeat}.Toc-Popup__Close{position:absolute;top:20px;right:20px;width:34px;height:34px;background:url(src/static/image/tocPopup/close.svg) center/contain no-repeat;cursor:pointer}.Toc-Popup__Inner{position:relative;width:100%;height:100%;display:flex;align-items:center;justify-content:center}.Toc-Popup__Content{position:relative;width:100%;overflow:hidden;clear:both}.Toc-Popup__Lesson{box-sizing:border-box;position:relative;height:390px;padding:0 .6%;background:right bottom no-repeat;float:left}.Toc-Popup__Lesson:first-child{padding-left:3%}.Toc-Popup__Lesson[data-lesson-no="6"]{padding-right:3%}.Toc-Popup__Lesson[data-lesson-no="7"]{display:none}.Toc-Popup__Lesson__Divider{position:absolute;top:0;left:0;height:375px;border-left:1px solid #ccc}[data-subject=math_3-1] .Toc-Popup__Lesson__Divider,[data-subject=math_4-1] .Toc-Popup__Lesson__Divider{height:97%}[data-subject=math_3-2] .Toc-Popup__Lesson__Divider,[data-subject=math_4-2] .Toc-Popup__Lesson__Divider{height:100%}.Toc-Popup__Lesson__Title{font-size:18px;line-height:1.3;opacity:.7}.Toc-Popup__Lesson__Sub-Title{font-size:22px;font-family:"GmarketSansB",sans-serif;line-height:1.4}.Toc-Popup__Lesson__Horizontal-Line{width:20px;margin:8px 0 0;border-top:1px solid}[data-subject=math_3-1] .Toc-Popup__Lesson{height:410px}[data-subject=math_3-1] .Toc-Popup__Lesson[data-lesson-no="6"]{padding-right:2%}[data-subject=math_3-2] .Toc-Popup__Lesson{height:460px}[data-subject=math_4-1] .Toc-Popup__Lesson{height:442px}[data-subject=math_4-1] .Toc-Popup__Lesson[data-lesson-no="1"]{padding-left:2%}[data-subject=math_4-1] .Toc-Popup__Lesson[data-lesson-no="6"]{padding-right:2%}[data-subject=math_4-2] .Toc-Popup__Lesson{height:450px}.Toc-Popup__Corner{position:relative;margin:0 0 7px;font-size:14px;line-height:1.25;opacity:.8}.Toc-Popup__Corner--List{margin:40px 0 0}.Toc-Popup__Corner__Button{display:inline-block;word-break:keep-all;cursor:pointer}.Toc-Popup__Corner__Button>*{pointer-events:none}.Toc-Popup.On{display:block;z-index:30}.Archive{position:absolute;top:140px;left:1283px;opacity:0;visibility:hidden}.Archive__Table{font-family:"GmarketSansM",sans-serif;font-size:14px;-webkit-transition:all .6s;-ms-transition:all .6s;transition:all .6s;position:relative;clear:both}.Archive__Table__Row{display:flex;align-items:stretch;height:33px}.Archive__Table__Row.Head{font-family:"GmarketSansB",sans-serif;font-size:18px;background-color:rgba(255,255,255,.15)}.Archive__Table__Row[data-row-height="2"]{height:73px}.Archive__Table__Row.Inner{font-family:"GmarketSansM",sans-serif;font-size:14px}.Archive__Table__Row.Inner .Archive__Table__Cell:first-child{border-left:none}.Archive__Table__Row.Inner .Archive__Table__Cell:last-child{border-right:none}.Archive__Table__Row:last-child{border-bottom:1px solid rgba(255,255,255,.5)}.Archive__Table__Row[data-row-collapsed]{border-bottom:1px solid rgba(255,255,255,.5);float:right}.Archive__Table__Row[data-row-collapsed]>.Archive__Table__Cell{flex-direction:column;justify-content:center}.Archive__Table__Row[data-row-collapsed]>.Archive__Table__Cell:first-child{border-left:none}.Archive__Table__Row[data-row-collapsed="2"]{height:66px}.Archive__Table__Row[data-row-collapsed="3"]{height:99px}.Archive__Table__Row[data-row-collapsed="4"]{height:132px}.Archive__Table__Row[data-row-collapsed="5"]{height:165px}.Archive__Table__Row[data-row-collapsed="6"]{height:198px}.Archive__Table__Row[data-row-collapsed="7"]{height:231px}.Archive__Table__Row[data-row-collapsed="8"]{height:264px}.Archive__Table__Row[data-row-collapsed="9"]{height:297px}.Archive__Table__Row[data-row-collapsed="10"]{height:330px}.Archive__Table__Row[data-row-collapsed="11"]{height:363px}.Archive__Table__Row[data-row-collapsed="12"]{height:396px}.Archive__Table__Row[data-row-collapsed="13"]{height:429px}.Archive__Table__Cell{position:relative;display:flex;align-items:center;justify-content:center;border-top:1px solid rgba(255,255,255,.5);border-left:1px solid rgba(255,255,255,.5);width:106px;text-align:center}.Archive__Table__Cell:last-child{border-right:1px solid rgba(255,255,255,.5)}.Archive__Table__Cell[data-cell-width="2"]{width:86px}.Archive__Table__Cell[data-cell-type="2"]{display:block;width:260px}.Archive__Table__Cell[data-cell-type="2"]>div{height:36.5px}.Archive__Table__Cell[data-cell-type="2"]>div:first-child{display:flex;align-items:center;justify-content:center;height:35.5px}.Archive__Table__Cell[data-cell-type="2"] .Archive__Table__Row{border-bottom:none}.Archive__Table.Sub{margin-top:32px}.Archive__Table.Sub .Archive__Table__Cell{flex-grow:1}.Archive__Table.Sub .Archive__Table__Cell:last-child{flex:0 0 178px}[data-subject=math_3-2] .Archive__Table.Sub{margin-top:16px}.Changing-Archive .Archive__Table{opacity:0;visibility:hidden}.Archive__Table.Delayed{-webkit-transition:all .6s .6s;-ms-transition:all .6s .6s;transition:all .6s .6s}.Archive__Icon{-webkit-transform:translateY(2px);-ms-transform:translateY(2px);transform:translateY(2px);position:relative;width:40px;height:26px;padding:0 7px 2px 0;background:left top/auto 24px no-repeat;cursor:pointer}.Archive__Icon.ppt,.Archive__Icon.pptx{background-image:url(src/static/image/archive/icon--ppt.svg)}.Archive__Icon.ppt.Hover,.Archive__Icon.pptx.Hover{background-image:url(src/static/image/archive/icon--ppt_over.svg)}.Archive__Icon.pdf{background-image:url(src/static/image/archive/icon--pdf.svg)}.Archive__Icon.pdf.Hover{background-image:url(src/static/image/archive/icon--pdf_over.svg)}.Archive__Icon.hwp{background-image:url(src/static/image/archive/icon--hwp.svg)}.Archive__Icon.hwp.Hover{background-image:url(src/static/image/archive/icon--hwp_over.svg)}.Archive__Icon.folder{height:28px;background-image:url(src/static/image/archive/icon--folder.svg);padding:0}.Archive__Icon.folder>.Archive__Scrap{display:none}.Archive__Icon.Disabled{opacity:0;visibility:hidden}.Archive__Table__Cell__Text+.Archive__Icon{margin-left:4px}.Archive__Scrap{position:absolute;right:0;bottom:0;width:20px;height:20px;background-image:url(src/static/image/archive/icon--scrap.svg)}.Archive__Scrap.Scrapped{background-image:url(src/static/image/archive/icon--scrapped.svg)}.Archive__Bubble{box-sizing:border-box;position:relative;display:flex;align-items:center;justify-content:center;word-break:keep-all;line-height:1.2}.Archive__Bubble-Container{width:70px;margin:6px 0}.Archive__Bubble-Container .Archive__Icon{margin:0 auto}.Archive__Bubble+.Archive__Icon{margin:0 auto}.Archive__Close{position:absolute;top:-36px;left:746px;width:26px;height:26px;background:url(src/static/image/archive/close.svg) center/26px auto no-repeat;cursor:pointer}.Archive__Move{position:absolute;top:520px;left:-340px;display:flex;align-items:center;font-size:22px;font-family:"GmarketSansM",sans-serif}.Archive__Move__Button{width:26px;height:26px;background:url(src/static/image/archive/move__button.svg) center/26px auto no-repeat;cursor:pointer}.Archive__Move__Button.Prev{margin-right:6px}.Archive__Move__Button.Next{-webkit-transform:rotate(180deg);-ms-transform:rotate(180deg);transform:rotate(180deg);margin-left:6px}.Archive__Move__Button.Disabled{opacity:.6;pointer-events:none}.Archive__Move__Page-Number{opacity:.6}.Archive__Move__Page-Number.Current{font-family:"GmarketSansB",sans-serif;opacity:1}.Show-Archive .Archive{-webkit-transition:opacity 0.6s 0.6s, visibility 0.6s 0.6s;-ms-transition:opacity 0.6s 0.6s, visibility 0.6s 0.6s;transition:opacity 0.6s 0.6s, visibility 0.6s 0.6s;opacity:1;visibility:visible}[data-subject=math_3-1] .Archive{top:120px}[data-subject=math_3-2] .Archive{top:116px}.Progress{position:absolute;top:0;left:0;width:100%;height:100%;display:none;color:#111;font-family:"GmarketSansM",sans-serif;font-size:12px;z-index:30}.Progress.On{display:block}.Progress__Background{position:absolute;top:0;left:0;width:100%;height:100%;background-color:#000;opacity:.6}.Progress__Inner{position:absolute;top:87.5px;left:357.5px;width:565px;height:545px;border-radius:4px;background-color:#fff}.Progress__Line{width:515px;height:1px;margin:0 auto;background-color:#000;opacity:1}.Progress__Line.Light{background-color:#f2f2f2}.Progress__Line.Thick{height:2px}.Progress__Title{height:74px;margin:0 auto;line-height:90px;font-family:"GmarketSansB",sans-serif;font-size:21px;text-align:center}.Progress__Table{width:515px;margin:0 auto}.Progress__Table__Row{height:36px;display:flex;align-items:stretch}.Progress__Table__Row.Head{background-color:#f5f5f5;font-size:13px;color:#666}.Progress__Table__Cell{display:flex;align-items:center;justify-content:center}.Progress__Table__Cell.Checkbox{flex:0 0 50px}.Progress__Table__Cell.Class{flex:0 0 100px}.Progress__Table__Cell.Page{flex:0 0 200px}.Progress__Table__Cell.Page>*{cursor:pointer}.Progress__Table__Cell.Date{flex:0 0 165px}.Progress__Table__Body{height:352px;overflow:auto}.Progress__Ordering{width:22px;height:22px;margin-right:-22px;background:url(src/static/image/progress/ordering.png) center/13px auto no-repeat;cursor:pointer}.Progress__Ordering.Reversed{-webkit-transform:rotate(180deg);-ms-transform:rotate(180deg);transform:rotate(180deg)}.Progress__Textbook{display:flex;align-items:center;justify-content:center;width:65px;height:19px;margin-top:0;border-radius:8.5px;color:#fff;font-family:"NotoSansM",sans-serif;font-size:10px;text-align:center;line-height:1}.Progress__Textbook::before{content:"";width:13px;height:13px;margin-right:4px;background:center/100% auto no-repeat}.Progress__Textbook.Main{background-color:#3379e0}.Progress__Textbook.Main::before{background-image:url(src/static/image/progress/textbook_main_icon.png)}.Progress__Textbook.Main::after{content:"교과서"}.Progress__Textbook.Sub{background-color:#19c4e3}.Progress__Textbook.Sub::before{background-image:url(src/static/image/progress/textbook_sub_icon.png)}.Progress__Textbook.Sub::after{content:"수학익힘"}.Progress__Checkbox{position:relative;box-sizing:border-box;width:16px;height:16px;border-radius:4px;border:1px solid #ccc;background-color:#f5f5f5;cursor:pointer}.Progress__Checkbox::before{-webkit-transform:rotate(45deg);-ms-transform:rotate(45deg);transform:rotate(45deg);content:"";display:none;position:absolute;top:1px;left:4px;width:5px;height:8px;border-right:1px solid #5971a8;border-bottom:1px solid #5971a8}.Progress__Checkbox.Selected::before{display:block}.Progress__Page{width:38px;padding-left:8px}.Progress__Bottom{position:relative}.Progress__Button{box-sizing:border-box;position:absolute;top:15px;right:24px;width:77px;height:30px;border:1px solid #ccd6e7;border-radius:4px;background-color:#f3f6f9;color:#6e7b8e;font-family:"NanumSquareRoundB",sans-serif;font-size:12px;line-height:30px;text-align:center;cursor:pointer}.Progress__Button.Big{right:auto;left:24px;width:120px}.Progress__Close{position:absolute;top:20px;left:523px;width:16px;height:16px;background:url(src/static/image/progress/close.png) center/contain no-repeat;cursor:pointer}.Resource-Popup{display:none;position:fixed;top:0;right:0;bottom:0;left:0;font-family:"GmarketSansM",sans-serif;font-size:18px;color:#555;background-color:rgba(0,0,0,.5)}.Resource-Popup__Button{margin:-4px 0 0 8px;padding:3px 6px 1px;border-radius:4px;color:#fff;font-size:.9em;background:#dd741d;cursor:pointer;z-index:10}.Resource-Popup__Responsive{-webkit-transform-origin:left top;-ms-transform-origin:left top;transform-origin:left top;position:absolute;top:0;left:0;width:1280px;height:720px;overflow:hidden}.Resource-Popup__Inner{-webkit-transform:translate(-50%, -50%);-ms-transform:translate(-50%, -50%);transform:translate(-50%, -50%);position:absolute;top:50%;left:50%;width:610px;height:402px;background:#fff;border-radius:20px;overflow:hidden}.Resource-Popup__Title{position:relative;display:flex;align-items:center;justify-content:flex-start;margin:36px 0 0 48px;font-family:"GmarketSansB",sans-serif;font-size:32px;color:#323232}.Resource-Popup__Title__Icon{position:relative;width:47px;height:47px;margin-top:-4px;margin-right:10px;border-radius:50%;background:url(src/static/image/resource/source_title_icon.svg) center/contain no-repeat}.Resource-Popup__Content{position:relative;margin:22px 0 0 48px;width:514px;line-height:1.22}.Resource-Popup__Content__Item{box-sizing:border-box;position:relative;display:flex;align-items:flex-start;justify-content:flex-start;border-radius:20px;background:#f5f5f5;margin-bottom:12px;padding:12px 18px 8px}.Resource-Popup__Content__Item__Bullet{position:relative;flex:0 0 18px;height:18px;margin-right:8px;border-radius:50%;background:url(src/static/image/resource/source_list_icon.svg) center/contain no-repeat}.Resource-Popup__Close{position:absolute;top:20px;right:20px;width:22px;height:22px;border-radius:50%;background:url(src/static/image/resource/source_close.svg) center/contain no-repeat;cursor:pointer}.Resource-Popup__Confirm{position:absolute;right:0;bottom:0;left:0;height:60px;display:flex;align-items:center;justify-content:center;background-color:#ffda4f;color:#323232;font-size:22px;cursor:pointer}footer{display:flex;align-items:center;justify-content:flex-end;position:absolute;right:0;bottom:0;left:0;  padding: 0 30px 20px 0;text-align:right;font-size:14px;z-index:10}.Lesson--1{background:linear-gradient(195deg, #e68e3a, #ffc86a)}.Lesson--1 .Hover .Main__Toc__List__Item__Button,.Lesson--1 .Selected .Main__Toc__List__Item__Button{color:#dd741d}.Lesson--1 .Main__Toc__List__Item__Icon .st0{fill:#dd741d}.Lesson--1 .Main__Toc__Additional__Button.Hover{color:#dd741d}.Lesson--1 .Main__Toc__Lesson-Number{left:-121px;width:151px;background:url(src/static/image/toc/lesson1.png)}.Lesson--1 footer{color:#dd741d}.Lesson--1 .Resource-Popup__Button{background:#dd741d}.Toc-Popup__Lesson[data-lesson-no="1"]{width:18%;background-image:url(src/static/image/tocPopup/lesson1.png);color:#ff952f}.Toc-Popup__Lesson[data-lesson-no="1"] .Toc-Popup__Corner--List{color:#fdce89}.Lesson--2{background:linear-gradient(195deg, #828ad9, #ccd4ff)}.Lesson--2 .Hover .Main__Toc__List__Item__Button,.Lesson--2 .Selected .Main__Toc__List__Item__Button{color:#5971a8}.Lesson--2 .Main__Toc__List__Item__Icon .st0{fill:#5971a8}.Lesson--2 .Main__Toc__Additional__Button.Hover{color:#5971a8}.Lesson--2 .Main__Toc__Lesson-Number{left:-171px;width:223px;background:url(src/static/image/toc/lesson2.png)}.Lesson--2 footer{color:#5971a8}.Lesson--2 .Resource-Popup__Button{background:#5971a8}.Toc-Popup__Lesson[data-lesson-no="2"]{width:16%;background-image:url(src/static/image/tocPopup/lesson2.png);color:#8face6}.Toc-Popup__Lesson[data-lesson-no="2"] .Toc-Popup__Corner--List{color:#dbd1e5}.Lesson--3{background:linear-gradient(195deg, #34baba, #9df4e8)}.Lesson--3 .Hover .Main__Toc__List__Item__Button,.Lesson--3 .Selected .Main__Toc__List__Item__Button{color:#298779}.Lesson--3 .Main__Toc__List__Item__Icon .st0{fill:#298779}.Lesson--3 .Main__Toc__Additional__Button.Hover{color:#298779}.Lesson--3 .Main__Toc__Lesson-Number{left:-171px;width:224px;background:url(src/static/image/toc/lesson3.png)}.Lesson--3 footer{color:#298779}.Lesson--3 .Resource-Popup__Button{background:#298779}.Toc-Popup__Lesson[data-lesson-no="3"]{width:16%;background-image:url(src/static/image/tocPopup/lesson3.png);color:#50ccc1}.Toc-Popup__Lesson[data-lesson-no="3"] .Toc-Popup__Corner--List{color:#d3e9e4}.Lesson--4{background:linear-gradient(195deg, #d17dce, #ffc7fd)}.Lesson--4 .Hover .Main__Toc__List__Item__Button,.Lesson--4 .Selected .Main__Toc__List__Item__Button{color:#885aa3}.Lesson--4 .Main__Toc__List__Item__Icon .st0{fill:#885aa3}.Lesson--4 .Main__Toc__Additional__Button.Hover{color:#885aa3}.Lesson--4 .Main__Toc__Lesson-Number{left:-171px;width:237px;background:url(src/static/image/toc/lesson4.png)}.Lesson--4 footer{color:#885aa3}.Lesson--4 .Resource-Popup__Button{background:#885aa3}.Toc-Popup__Lesson[data-lesson-no="4"]{width:16%;background-image:url(src/static/image/tocPopup/lesson4.png);color:#db9af2}.Toc-Popup__Lesson[data-lesson-no="4"] .Toc-Popup__Corner--List{color:#eacfe2}.Lesson--5{background:linear-gradient(195deg, #68b368, #adf0a8)}.Lesson--5 .Hover .Main__Toc__List__Item__Button,.Lesson--5 .Selected .Main__Toc__List__Item__Button{color:#548435}.Lesson--5 .Main__Toc__List__Item__Icon .st0{fill:#548435}.Lesson--5 .Main__Toc__Additional__Button.Hover{color:#548435}.Lesson--5 .Main__Toc__Lesson-Number{left:-171px;width:222px;background:url(src/static/image/toc/lesson5.png)}.Lesson--5 footer{color:#548435}.Lesson--5 .Resource-Popup__Button{background:#548435}.Toc-Popup__Lesson[data-lesson-no="5"]{width:16%;background-image:url(src/static/image/tocPopup/lesson5.png);color:#8dcc67}.Toc-Popup__Lesson[data-lesson-no="5"] .Toc-Popup__Corner--List{color:#d9e8bd}.Lesson--6{background:linear-gradient(195deg, #f27b5c, #ffb885)}.Lesson--6 .Hover .Main__Toc__List__Item__Button,.Lesson--6 .Selected .Main__Toc__List__Item__Button{color:#a8503b}.Lesson--6 .Main__Toc__List__Item__Icon .st0{fill:#a8503b}.Lesson--6 .Main__Toc__Additional__Button.Hover{color:#a8503b}.Lesson--6 .Main__Toc__Lesson-Number{left:-171px;width:230px;background:url(src/static/image/toc/lesson6.png)}.Lesson--6 footer{color:#a8503b}.Lesson--6 .Resource-Popup__Button{background:#a8503b}.Toc-Popup__Lesson[data-lesson-no="6"]{width:18%;background-image:url(src/static/image/tocPopup/lesson6.png);color:#ff8261}.Toc-Popup__Lesson[data-lesson-no="6"] .Toc-Popup__Corner--List{color:#fdd2ba}.Lesson--7{background:linear-gradient(195deg, #52afd9, #8ceeff)}.Lesson--7 .Hover .Main__Toc__List__Item__Button,.Lesson--7 .Selected .Main__Toc__List__Item__Button{color:#4289a5}.Lesson--7 .Main__Toc__List__Item__Icon .st0{fill:#4289a5}.Lesson--7 .Main__Toc__Additional__Button.Hover{color:#4289a5}.Lesson--7 .Main__Toc__Lesson-Number{display:none}.Lesson--7 footer{color:#4289a5}.Lesson--7 .Resource-Popup__Button{background:#4289a5}.Lesson--1[data-subject=math_4-1],.Lesson--1[data-subject=math_4-2]{background:linear-gradient(195deg, #e68e3a, #ffc86a)}.Lesson--1[data-subject=math_4-1] .Main__Toc__Lesson-Name__No,.Lesson--1[data-subject=math_4-2] .Main__Toc__Lesson-Name__No{color:#dd741d}.Lesson--1[data-subject=math_4-1] .Main__Toc__Line,.Lesson--1[data-subject=math_4-2] .Main__Toc__Line{background:#dd741d}.Lesson--1[data-subject=math_4-1] .Hover .Main__Toc__List__Item__Button,.Lesson--1[data-subject=math_4-1] .Selected .Main__Toc__List__Item__Button,.Lesson--1[data-subject=math_4-2] .Hover .Main__Toc__List__Item__Button,.Lesson--1[data-subject=math_4-2] .Selected .Main__Toc__List__Item__Button{color:#fff}.Lesson--1[data-subject=math_4-1] .Main__Toc__List__Item__Icon .st0,.Lesson--1[data-subject=math_4-2] .Main__Toc__List__Item__Icon .st0{fill:#fff}.Lesson--1[data-subject=math_4-1] .Main__Toc__List__Item.Hover,.Lesson--1[data-subject=math_4-1] .Main__Toc__List__Item.Selected,.Lesson--1[data-subject=math_4-2] .Main__Toc__List__Item.Hover,.Lesson--1[data-subject=math_4-2] .Main__Toc__List__Item.Selected{background-color:#dd741d}.Lesson--1[data-subject=math_4-1] .Main__Toc__Additional,.Lesson--1[data-subject=math_4-2] .Main__Toc__Additional{border-color:#dd741d}.Lesson--1[data-subject=math_4-1] .Main__Toc__Additional__Button,.Lesson--1[data-subject=math_4-2] .Main__Toc__Additional__Button{color:#dd741d}.Lesson--1[data-subject=math_4-1] .Main__Toc__Additional__Button .st0,.Lesson--1[data-subject=math_4-2] .Main__Toc__Additional__Button .st0{fill:#dd741d}.Lesson--1[data-subject=math_4-1] .Main__Toc__Additional__Line,.Lesson--1[data-subject=math_4-2] .Main__Toc__Additional__Line{background:#dd741d}.Lesson--1[data-subject=math_4-1] footer,.Lesson--1[data-subject=math_4-2] footer{color:#dd741d}.Toc-Popup__Lesson[data-lesson-no="1"]{width:18%;background-image:url(src/static/image/tocPopup/lesson1.png);color:#ff952f}.Toc-Popup__Lesson[data-lesson-no="1"] .Toc-Popup__Corner--List{color:#fdce89}.Lesson--2[data-subject=math_4-1],.Lesson--2[data-subject=math_4-2]{background:linear-gradient(195deg, #828ad9, #ccd4ff)}.Lesson--2[data-subject=math_4-1] .Main__Toc__Lesson-Name__No,.Lesson--2[data-subject=math_4-2] .Main__Toc__Lesson-Name__No{color:#5971a8}.Lesson--2[data-subject=math_4-1] .Main__Toc__Line,.Lesson--2[data-subject=math_4-2] .Main__Toc__Line{background:#5971a8}.Lesson--2[data-subject=math_4-1] .Hover .Main__Toc__List__Item__Button,.Lesson--2[data-subject=math_4-1] .Selected .Main__Toc__List__Item__Button,.Lesson--2[data-subject=math_4-2] .Hover .Main__Toc__List__Item__Button,.Lesson--2[data-subject=math_4-2] .Selected .Main__Toc__List__Item__Button{color:#fff}.Lesson--2[data-subject=math_4-1] .Main__Toc__List__Item__Icon .st0,.Lesson--2[data-subject=math_4-2] .Main__Toc__List__Item__Icon .st0{fill:#fff}.Lesson--2[data-subject=math_4-1] .Main__Toc__List__Item.Hover,.Lesson--2[data-subject=math_4-1] .Main__Toc__List__Item.Selected,.Lesson--2[data-subject=math_4-2] .Main__Toc__List__Item.Hover,.Lesson--2[data-subject=math_4-2] .Main__Toc__List__Item.Selected{background-color:#5971a8}.Lesson--2[data-subject=math_4-1] .Main__Toc__Additional,.Lesson--2[data-subject=math_4-2] .Main__Toc__Additional{border-color:#5971a8}.Lesson--2[data-subject=math_4-1] .Main__Toc__Additional__Button,.Lesson--2[data-subject=math_4-2] .Main__Toc__Additional__Button{color:#5971a8}.Lesson--2[data-subject=math_4-1] .Main__Toc__Additional__Button .st0,.Lesson--2[data-subject=math_4-2] .Main__Toc__Additional__Button .st0{fill:#5971a8}.Lesson--2[data-subject=math_4-1] .Main__Toc__Additional__Line,.Lesson--2[data-subject=math_4-2] .Main__Toc__Additional__Line{background:#5971a8}.Lesson--2[data-subject=math_4-1] footer,.Lesson--2[data-subject=math_4-2] footer{color:#5971a8}.Toc-Popup__Lesson[data-lesson-no="2"]{width:16%;background-image:url(src/static/image/tocPopup/lesson2.png);color:#8face6}.Toc-Popup__Lesson[data-lesson-no="2"] .Toc-Popup__Corner--List{color:#dbd1e5}.Lesson--3[data-subject=math_4-1],.Lesson--3[data-subject=math_4-2]{background:linear-gradient(195deg, #34baba, #9df4e8)}.Lesson--3[data-subject=math_4-1] .Main__Toc__Lesson-Name__No,.Lesson--3[data-subject=math_4-2] .Main__Toc__Lesson-Name__No{color:#298779}.Lesson--3[data-subject=math_4-1] .Main__Toc__Line,.Lesson--3[data-subject=math_4-2] .Main__Toc__Line{background:#298779}.Lesson--3[data-subject=math_4-1] .Hover .Main__Toc__List__Item__Button,.Lesson--3[data-subject=math_4-1] .Selected .Main__Toc__List__Item__Button,.Lesson--3[data-subject=math_4-2] .Hover .Main__Toc__List__Item__Button,.Lesson--3[data-subject=math_4-2] .Selected .Main__Toc__List__Item__Button{color:#fff}.Lesson--3[data-subject=math_4-1] .Main__Toc__List__Item__Icon .st0,.Lesson--3[data-subject=math_4-2] .Main__Toc__List__Item__Icon .st0{fill:#fff}.Lesson--3[data-subject=math_4-1] .Main__Toc__List__Item.Hover,.Lesson--3[data-subject=math_4-1] .Main__Toc__List__Item.Selected,.Lesson--3[data-subject=math_4-2] .Main__Toc__List__Item.Hover,.Lesson--3[data-subject=math_4-2] .Main__Toc__List__Item.Selected{background-color:#298779}.Lesson--3[data-subject=math_4-1] .Main__Toc__Additional,.Lesson--3[data-subject=math_4-2] .Main__Toc__Additional{border-color:#298779}.Lesson--3[data-subject=math_4-1] .Main__Toc__Additional__Button,.Lesson--3[data-subject=math_4-2] .Main__Toc__Additional__Button{color:#298779}.Lesson--3[data-subject=math_4-1] .Main__Toc__Additional__Button .st0,.Lesson--3[data-subject=math_4-2] .Main__Toc__Additional__Button .st0{fill:#298779}.Lesson--3[data-subject=math_4-1] .Main__Toc__Additional__Line,.Lesson--3[data-subject=math_4-2] .Main__Toc__Additional__Line{background:#298779}.Lesson--3[data-subject=math_4-1] footer,.Lesson--3[data-subject=math_4-2] footer{color:#298779}.Toc-Popup__Lesson[data-lesson-no="3"]{width:16%;background-image:url(src/static/image/tocPopup/lesson3.png);color:#50ccc1}.Toc-Popup__Lesson[data-lesson-no="3"] .Toc-Popup__Corner--List{color:#d3e9e4}.Lesson--4[data-subject=math_4-1],.Lesson--4[data-subject=math_4-2]{background:linear-gradient(195deg, #d17dce, #ffc7fd)}.Lesson--4[data-subject=math_4-1] .Main__Toc__Lesson-Name__No,.Lesson--4[data-subject=math_4-2] .Main__Toc__Lesson-Name__No{color:#885aa3}.Lesson--4[data-subject=math_4-1] .Main__Toc__Line,.Lesson--4[data-subject=math_4-2] .Main__Toc__Line{background:#885aa3}.Lesson--4[data-subject=math_4-1] .Hover .Main__Toc__List__Item__Button,.Lesson--4[data-subject=math_4-1] .Selected .Main__Toc__List__Item__Button,.Lesson--4[data-subject=math_4-2] .Hover .Main__Toc__List__Item__Button,.Lesson--4[data-subject=math_4-2] .Selected .Main__Toc__List__Item__Button{color:#fff}.Lesson--4[data-subject=math_4-1] .Main__Toc__List__Item__Icon .st0,.Lesson--4[data-subject=math_4-2] .Main__Toc__List__Item__Icon .st0{fill:#fff}.Lesson--4[data-subject=math_4-1] .Main__Toc__List__Item.Hover,.Lesson--4[data-subject=math_4-1] .Main__Toc__List__Item.Selected,.Lesson--4[data-subject=math_4-2] .Main__Toc__List__Item.Hover,.Lesson--4[data-subject=math_4-2] .Main__Toc__List__Item.Selected{background-color:#885aa3}.Lesson--4[data-subject=math_4-1] .Main__Toc__Additional,.Lesson--4[data-subject=math_4-2] .Main__Toc__Additional{border-color:#885aa3}.Lesson--4[data-subject=math_4-1] .Main__Toc__Additional__Button,.Lesson--4[data-subject=math_4-2] .Main__Toc__Additional__Button{color:#885aa3}.Lesson--4[data-subject=math_4-1] .Main__Toc__Additional__Button .st0,.Lesson--4[data-subject=math_4-2] .Main__Toc__Additional__Button .st0{fill:#885aa3}.Lesson--4[data-subject=math_4-1] .Main__Toc__Additional__Line,.Lesson--4[data-subject=math_4-2] .Main__Toc__Additional__Line{background:#885aa3}.Lesson--4[data-subject=math_4-1] footer,.Lesson--4[data-subject=math_4-2] footer{color:#885aa3}.Toc-Popup__Lesson[data-lesson-no="4"]{width:16%;background-image:url(src/static/image/tocPopup/lesson4.png);color:#db9af2}.Toc-Popup__Lesson[data-lesson-no="4"] .Toc-Popup__Corner--List{color:#eacfe2}.Lesson--5[data-subject=math_4-1],.Lesson--5[data-subject=math_4-2]{background:linear-gradient(195deg, #68b368, #adf0a8)}.Lesson--5[data-subject=math_4-1] .Main__Toc__Lesson-Name__No,.Lesson--5[data-subject=math_4-2] .Main__Toc__Lesson-Name__No{color:#548435}.Lesson--5[data-subject=math_4-1] .Main__Toc__Line,.Lesson--5[data-subject=math_4-2] .Main__Toc__Line{background:#548435}.Lesson--5[data-subject=math_4-1] .Hover .Main__Toc__List__Item__Button,.Lesson--5[data-subject=math_4-1] .Selected .Main__Toc__List__Item__Button,.Lesson--5[data-subject=math_4-2] .Hover .Main__Toc__List__Item__Button,.Lesson--5[data-subject=math_4-2] .Selected .Main__Toc__List__Item__Button{color:#fff}.Lesson--5[data-subject=math_4-1] .Main__Toc__List__Item__Icon .st0,.Lesson--5[data-subject=math_4-2] .Main__Toc__List__Item__Icon .st0{fill:#fff}.Lesson--5[data-subject=math_4-1] .Main__Toc__List__Item.Hover,.Lesson--5[data-subject=math_4-1] .Main__Toc__List__Item.Selected,.Lesson--5[data-subject=math_4-2] .Main__Toc__List__Item.Hover,.Lesson--5[data-subject=math_4-2] .Main__Toc__List__Item.Selected{background-color:#548435}.Lesson--5[data-subject=math_4-1] .Main__Toc__Additional,.Lesson--5[data-subject=math_4-2] .Main__Toc__Additional{border-color:#548435}.Lesson--5[data-subject=math_4-1] .Main__Toc__Additional__Button,.Lesson--5[data-subject=math_4-2] .Main__Toc__Additional__Button{color:#548435}.Lesson--5[data-subject=math_4-1] .Main__Toc__Additional__Button .st0,.Lesson--5[data-subject=math_4-2] .Main__Toc__Additional__Button .st0{fill:#548435}.Lesson--5[data-subject=math_4-1] .Main__Toc__Additional__Line,.Lesson--5[data-subject=math_4-2] .Main__Toc__Additional__Line{background:#548435}.Lesson--5[data-subject=math_4-1] footer,.Lesson--5[data-subject=math_4-2] footer{color:#548435}.Toc-Popup__Lesson[data-lesson-no="5"]{width:16%;background-image:url(src/static/image/tocPopup/lesson5.png);color:#8dcc67}.Toc-Popup__Lesson[data-lesson-no="5"] .Toc-Popup__Corner--List{color:#d9e8bd}.Lesson--6[data-subject=math_4-1],.Lesson--6[data-subject=math_4-2]{background:linear-gradient(195deg, #f27b5c, #ffb885)}.Lesson--6[data-subject=math_4-1] .Main__Toc__Lesson-Name__No,.Lesson--6[data-subject=math_4-2] .Main__Toc__Lesson-Name__No{color:#a8503b}.Lesson--6[data-subject=math_4-1] .Main__Toc__Line,.Lesson--6[data-subject=math_4-2] .Main__Toc__Line{background:#a8503b}.Lesson--6[data-subject=math_4-1] .Hover .Main__Toc__List__Item__Button,.Lesson--6[data-subject=math_4-1] .Selected .Main__Toc__List__Item__Button,.Lesson--6[data-subject=math_4-2] .Hover .Main__Toc__List__Item__Button,.Lesson--6[data-subject=math_4-2] .Selected .Main__Toc__List__Item__Button{color:#fff}.Lesson--6[data-subject=math_4-1] .Main__Toc__List__Item__Icon .st0,.Lesson--6[data-subject=math_4-2] .Main__Toc__List__Item__Icon .st0{fill:#fff}.Lesson--6[data-subject=math_4-1] .Main__Toc__List__Item.Hover,.Lesson--6[data-subject=math_4-1] .Main__Toc__List__Item.Selected,.Lesson--6[data-subject=math_4-2] .Main__Toc__List__Item.Hover,.Lesson--6[data-subject=math_4-2] .Main__Toc__List__Item.Selected{background-color:#a8503b}.Lesson--6[data-subject=math_4-1] .Main__Toc__Additional,.Lesson--6[data-subject=math_4-2] .Main__Toc__Additional{border-color:#a8503b}.Lesson--6[data-subject=math_4-1] .Main__Toc__Additional__Button,.Lesson--6[data-subject=math_4-2] .Main__Toc__Additional__Button{color:#a8503b}.Lesson--6[data-subject=math_4-1] .Main__Toc__Additional__Button .st0,.Lesson--6[data-subject=math_4-2] .Main__Toc__Additional__Button .st0{fill:#a8503b}.Lesson--6[data-subject=math_4-1] .Main__Toc__Additional__Line,.Lesson--6[data-subject=math_4-2] .Main__Toc__Additional__Line{background:#a8503b}.Lesson--6[data-subject=math_4-1] footer,.Lesson--6[data-subject=math_4-2] footer{color:#a8503b}.Toc-Popup__Lesson[data-lesson-no="6"]{width:18%;background-image:url(src/static/image/tocPopup/lesson6.png);color:#ff8261}.Toc-Popup__Lesson[data-lesson-no="6"] .Toc-Popup__Corner--List{color:#fdd2ba}.Lesson--7[data-subject=math_4-1],.Lesson--7[data-subject=math_4-2]{background:linear-gradient(195deg, #52afd9, #8ceeff)}.Lesson--7[data-subject=math_4-1] .Main__Toc__Lesson-Name__No,.Lesson--7[data-subject=math_4-2] .Main__Toc__Lesson-Name__No{color:#4289a5}.Lesson--7[data-subject=math_4-1] .Main__Toc__Line,.Lesson--7[data-subject=math_4-2] .Main__Toc__Line{background:#4289a5}.Lesson--7[data-subject=math_4-1] .Hover .Main__Toc__List__Item__Button,.Lesson--7[data-subject=math_4-1] .Selected .Main__Toc__List__Item__Button,.Lesson--7[data-subject=math_4-2] .Hover .Main__Toc__List__Item__Button,.Lesson--7[data-subject=math_4-2] .Selected .Main__Toc__List__Item__Button{color:#fff}.Lesson--7[data-subject=math_4-1] .Main__Toc__List__Item__Icon .st0,.Lesson--7[data-subject=math_4-2] .Main__Toc__List__Item__Icon .st0{fill:#fff}.Lesson--7[data-subject=math_4-1] .Main__Toc__List__Item.Hover,.Lesson--7[data-subject=math_4-1] .Main__Toc__List__Item.Selected,.Lesson--7[data-subject=math_4-2] .Main__Toc__List__Item.Hover,.Lesson--7[data-subject=math_4-2] .Main__Toc__List__Item.Selected{background-color:#4289a5}.Lesson--7[data-subject=math_4-1] .Main__Toc__Additional,.Lesson--7[data-subject=math_4-2] .Main__Toc__Additional{border-color:#4289a5}.Lesson--7[data-subject=math_4-1] .Main__Toc__Additional__Button,.Lesson--7[data-subject=math_4-2] .Main__Toc__Additional__Button{color:#4289a5}.Lesson--7[data-subject=math_4-1] .Main__Toc__Additional__Button .st0,.Lesson--7[data-subject=math_4-2] .Main__Toc__Additional__Button .st0{fill:#4289a5}.Lesson--7[data-subject=math_4-1] .Main__Toc__Additional__Line,.Lesson--7[data-subject=math_4-2] .Main__Toc__Additional__Line{background:#4289a5}.Lesson--7[data-subject=math_4-1] footer,.Lesson--7[data-subject=math_4-2] footer{color:#4289a5}

.Main__Toc__List__Item.Selected .Main__Toc__List__Item__Icon,
.Archive__Icon,
.Header__Help,
.Main__Toc__Additional__Button {
  opacity: 0.5;
  pointer-events: none;
}