:root{--oi:#000;--Oq:#fff;--of:#f5f5f5;--Yw:#e0e0e0;--xr:#d8d8d8;--PV:#888888;--LN:inherit;--fk:#f5f5f5;--hn:#ced2e0;--c7:#eeeeee;--lo:#e8e8e8;--Ei:inherit;--vR:inherit;--LX:grey;--MM:inherit;--LC:#387d9b;--L0:inherit;--ki:#8b8eae;--zR:#fff;--S1:#7d7d7d;--j3:#a9b2e0;--ZH:#fff;--Te:#9bb1ea;--hL:#f5f5f5;--Lu:#040404;--kj:gray;--Gi:#fff;--Y2:#353535;--w9:#000;--Kk:#c8cadd;--FS:none;--a8:#212121;--ZL:#c8cadd;--uG:#dedfe9;--pv:#3a84f3;--iX:#6f6f6f;--H7:inherit;--gr:#a7a7a766;--Q7:#646161;--Kf:#698ad3;--fQ:#dedede;--im:#3a3a3a;--cy:#ccc;--JF:#d0d0d0;--ev:shaker,twcham;--be:#6f6f6f47;--r7:none;--Ud:#d4d4d4;--vC:inherit;--GK:invert(1);--zQ:inherit;--cc:#dedede;--fu:#212121;--mb:#676767;--jz:#608392;--Dp:#bdcdd4;--LZ:none;--Xj:#fff;--Bo:none;--RE:none;--je:#ededf0;--K3:none;--oh:silver;--Qu:none;--oY:lightgray;--lB:#fff}body.tb{--oi:#c1bebe;--Oq:#151515;--of:#2a2a2a;--Yw:#666666;--xr:#404262;--PV:#8082b3;--LN:#cecece;--fk:#252525;--hn:#5f5f5f;--c7:#3e3e3e;--lo:#262626;--Ei:#c5c5c5;--vR:#393939;--LX:#464646;--MM:#272727;--LC:#df9273;--L0:#191a1c;--ki:#42424f;--zR:#000;--S1:#ededed;--j3:#606473;--ZH:#171717;--Te:#5f6c8c;--hL:#272727;--Lu:#e0e0e0;--kj:#898989;--Gi:#232323;--Y2:#b5b4b4;--w9:#dddddd;--Kk:#2a2a32;--FS:invert(0.8);--a8:#dedede;--ZL:#454545;--uG:#222222;--pv:#5380c3;--iX:#4e4e4e;--H7:#151515;--gr:#38383866;--Q7:#7c7c7c;--Kf:#617bb5;--fQ:#212121;--im:#fff;--cy:#1d1d1d;--JF:#3c3c3c;--ev:shaker,tbcham;--be:#6f6f6f24;--r7:invert(0.15);--Ud:#313131;--vC:#171717;--GK:contrast(2);--zQ:#202124;--cc:#010101;--fu:#c2c2c2;--mb:#c4c4c4;--jz:#8c4a2d;--Dp:#9f7c6d;--LZ:brightness(190%);--Xj:#24262b;--Bo:invert(1);--RE:scaleX(-1);--je:#393939;--K3:brightness(0) saturate(100%) invert(2%) sepia(55%) saturate(50%) hue-rotate(314deg) brightness(83%) contrast(88%);--oh:#3f3f3f;--Qu:invert(0.9);--oY:#393939;--lB:#191a1c}html{line-height:1.15;-webkit-text-size-adjust:100%;overflow-y:scroll}html,body{margin:0;padding:0!important;touch-action:manipulation}body{top:0!important;color:var(--oi);background:var(--Oq)}.h1,.h2{font-size:100%;font-weight:normal;margin:0;padding:0;text-align:center}.site-body{display:flex;min-height:100vh;min-width:24.5rem;flex-direction:column}.scroll-theme::-webkit-scrollbar-track{background-color:var(--of);border-radius:16px}::-webkit-scrollbar-thumb{background-color:var(--Yw);border-radius:16px}.scroll-theme::-webkit-scrollbar-thumb{background-color:var(--xr)}.scroll-theme::-webkit-scrollbar-thumb:hover{background-color:var(--PV)}body::-webkit-scrollbar{background-color:var(--of)}::-webkit-scrollbar{background-color:var(--Oq)}.site-content{display:block;flex:1;overflow-x:hidden}#content{flex:1 0 auto}#topmost-content{display:flex;flex-direction:column}#footer{display:flex;flex-direction:column;gap:2px;color:var(--LN);font-family:'Roboto',sans-serif;min-height:62px;width:100%;padding:20px 32px;border:solid var(--hn);border-width:1px 0 0 0;background-color:var(--fk);box-sizing:border-box;z-index:0}#footer>div{display:flex}#footer>div:not(:last-child){margin-bottom:10px}#kind{display:inline-block;font-size:1.3em;font-family:'Roboto',sans-serif;color:var(--Ei);line-height:1.3;margin:10px 5px;padding:10px 20px;border:1px solid var(--c7);border-radius:2px;background-color:var(--vR);text-align:center;box-shadow:2px 2px 1px var(--lo)}#calc-desc{color:inherit;font-family:'Roboto',sans-serif;line-height:1.4;margin:2px 20px 10px 20px;padding:5px 10px;border:1px solid var(--LX);border-radius:2px;background:var(--MM);box-sizing:border-box;text-align:center}#calc-desc::first-letter{color:var(--LC)}#header-main{display:flex;flex-direction:column;align-items:center;height:64px;color:var(--a8);background:var(--Xj);box-shadow:0 1px 0 0 var(--hn);z-index:2}@supports(position:sticky){#header-main{position:sticky;top:-64px;transition:top 0.3s ease-in-out}#header-main.resume-header{top:0}}#header-middle{display:flex;position:relative;align-items:center;justify-content:space-between;max-width:1040px;width:100%;padding:8px 32px;box-sizing:border-box;border:solid var(--hn);border-width:0 1px}#logo-header{display:flex;align-items:center;gap:4px}#header-main img{filter:var(--Bo)}#menu-shorts{display:flex;gap:8px}#menu-lang{font-size:1.2em;line-height:1.2em;font-family:'Roboto',sans-serif}#menu-lang,#menu-theme,#menu-button{display:flex;align-items:center;justify-content:center;padding:4px;width:32px;transition:background 100ms ease;cursor:pointer;touch-action:manipulation}#menu-theme>img{transform:var(--RE)}#menu-lang:hover,#menu-theme:hover,#menu-button:hover{background:var(--je);border-radius:2px}#header-main.calc-open #menu-button>img:first-child,#header-main:not(.calc-open) #menu-button>img:nth-child(2),#header-main:not(.calc-open) #menu-calc{display:none}#middle-container{display:flex;flex-direction:column;align-items:center}#middle-content{max-width:1040px;width:100%;padding:8px 16px 64px 16px;box-sizing:border-box;border:solid var(--hn);background:var(--Oq);border-width:0 1px}.font-mid-size{font-size:1.2em!important}#top-content{position:relative;display:flex;margin-left:5px}#top-content>div{align-self:center}#input-info{display:flex;flex-direction:column;gap:12px;padding:32px;border:1.5px solid var(--ki);border-radius:16px 0 16px 16px;background:var(--L0)}#input-info>p{font-size:1.1em;font-family:'Roboto',sans-serif;margin:0;line-height:1.4}#input-info>.input-info-list ~ p,#input-info>.input-info-mat-list ~ p{display:flex;align-items:center;gap:8px}#input-info img{filter:var(--Qu)}#input-info-container{display:inline-block;position:relative;min-width:72%;margin-left:2px}#input-info-hide{display:block;padding:12px;font-size:1em;font-family:'Roboto',sans-serif;border:1.5px solid var(--ki);border-radius:16px;background:var(--L0);text-align:center;cursor:pointer;white-space:nowrap;transition:0.3s ease;transition-property:opacity}#input-info-hide.input-info-opened{position:absolute;display:inline-block!important;font-family:'Roboto',sans-serif;padding:8px 16px;right:0;border-radius:0}#input-info-hide.input-info-opened::after{content:attr(data-opened)}#input-info-hide:not(.input-info-opened)::after{content:attr(data-closed)}.mformula{display:inline-block;padding:6px 10px;font-family:'Roboto',sans-serif;font-size:1.05em;border:1px solid;border-radius:2px;line-height:1;direction:ltr}.mformula.mformula-dif{letter-spacing:2px}.mconst-table{font-size:1.05em;font-family:sans-serif;line-height:2}.mconst-row{display:table-row}.mconst-ceil:not(:first-child){display:table-cell;padding-left:20px}.mconst-ceil>div{display:flex;align-items:center;gap:8px}.mcopy{position:relative;cursor:pointer;white-space:nowrap}.mcopy:not(.copy-export):hover::after{position:absolute;left:50px;top:16px;padding:4px 8px;font-size:0.8em;font-family:'Roboto',sans-serif;color:var(--zR);border:1px solid var(--S1);border-radius:4px;background-color:var(--S1);content:attr(data-copy);animation-name:appear;animation-duration:0.8s;animation-iteration-count:1;animation-timing-function:cubic-bezier(0.47,0,0.29,0.85);z-index:1}#calc-settings{position:relative;margin-left:auto;margin-right:10%}#calc-settings-content{display:flex;align-items:center;gap:8px;justify-content:center;flex-wrap:wrap;font-size:1em;font-family:'Roboto',sans-serif;padding:10px;border:1px solid var(--j3);background-color:var(--ZH);text-align:right;border-radius:2px}#calc-settings-content table{margin-left:auto}#calc-settings-content input{outline-width:0!important}#calc-settings-content input:focus,#calc-settings-content input:hover{box-shadow:0 0 0 2px var(--Te)}.calc-setting-text{padding:4px 8px;border-radius:4px;background:var(--hL)}.calc-setting-select{width:55px;height:28px;font-size:1.1em;font-family:'Roboto',sans-serif;color:var(--Lu);border:1px solid var(--kj);border-radius:2px;background:var(--Gi);text-align:center;text-align-last:center;cursor:pointer;touch-action:manipulation}#input-solve{position:relative;display:flex;justify-content:end;flex-wrap:wrap;gap:8px}#input-parent{position:relative}#input-expression{min-height:3rem;min-width:600px;font-size:1.3em;font-family:'Roboto',sans-serif;color:var(--Y2);border:2px solid var(--j3);border-radius:2px;background:var(--ZH);text-align:center}#input-expression::-ms-clear{display:none}#input-expression:focus{color:var(--w9)}#solve{position:relative;display:flex;align-items:center;justify-content:center;width:8vw;min-height:3rem;min-width:6rem;font-size:1.5em;border:0;border-radius:2px;background-color:var(--Kk);cursor:pointer}#solve>img{transition:opacity 0.5s ease;filter:var(--FS)}#solve:disabled{cursor:default}#solve:disabled>img{opacity:0.4}#solve:not(:disabled):hover::after{position:absolute;font-size:0.8em;font-family:'Roboto',sans-serif;color:var(--a8);border-radius:2px;background-color:var(--ZL);padding:2px;animation-name:appear;animation-duration:0.6s;animation-iteration-count:1;animation-timing-function:cubic-bezier(0.47,0,0.75,0.72);content:attr(data-calc);z-index:3}#solve.concentrate:hover{background-color:var(--uG)}#display-output-container{position:relative}#display-output-outset{display:flex;min-height:8.7rem;padding:0 8px;font-size:1.9em;border:2px solid var(--ki);border-radius:24px 24px 16px 16px;background:var(--Oq);align-items:center}#display-begin-render{flex:1;font-size:0.8em;font-family:'Roboto',sans-serif;text-align:center}#display-begin-render::after{content:"..."}.non-select{-ms-user-select:none;-moz-user-select:none;-webkit-user-select:none;user-select:none}.outline-off{outline:0;outline-offset:0}@media (max-width:800px){#display-output-outset{min-height:8.1rem!important;font-size:1.62em!important}.setting-container{margin-bottom:1.1rem!important}.oversize{display:none!important}#int-setting-display{top:0.9rem!important;left:0.04rem!important}#input-clear{display:none!important}.info-text p{padding-left:0!important}#input-info-container{margin-left:0!important}#input-expression{font-size:1.2em}#calc-settings{margin-right:5px}}#auto-correct{position:absolute;top:0;left:0;font-family:'Roboto',sans-serif;font-size:9pt;color:var(--pv);margin:7px 0 0 7px;padding:0 3px;z-index:1}#display-notice-container{display:flex;justify-content:center;min-height:20px}.in-render{display:none}.hidden{opacity:0;visibility:hidden;transition:.55s opacity,.55s visibility}.hide{display:none!important}.light-hide{display:none}#int-setting{position:relative;height:2.5rem;width:2.5rem;top:0.4rem;border-radius:50%;background:url(/logo/mech.svg) 50% / 80% no-repeat;cursor:pointer;z-index:1}#int-setting:hover{transform:rotate(180deg)}#copy-display{position:absolute;height:2.5rem;width:2.5rem;left:10px;bottom:26px;font-size:12pt;border-radius:30%;background:url(/logo/copy.svg) no-repeat;background-size:2.5rem 2.5rem;white-space:nowrap;cursor:pointer;z-index:1}.trans-1{transition:1s ease;transition-property:background-color,border-color,color,box-shadow,border-radius,transform}.cursor-default{cursor:default!important}.right-side{margin-left:auto}.wheel-settings{position:absolute;top:2px;left:10px}.content-right{position:relative;display:flex;justify-content:end}.content-offset{white-space:nowrap;margin:10px 20px 10px 2px}@media (max-width:800px){.info-text{font-size:1em!important}#calc-desc{margin:0 5px 6px 5px!important}.process{font-size:1.25em!important}}@media (max-width:775px){.content-offset{margin:10px 10px 10px 2px}}@media (max-width:750px){#input-parent{width:100%}#input-expression{width:calc(100% - 8px);min-width:400px}}.list-types{margin:0 50px;padding:0;list-style:none}.list-types img{filter:var(--FS)}.list-types .li{font-size:1.5em;font-family:'Roboto',sans-serif;border:1px solid var(--iX);border-radius:4px 4px 4px 0;background:var(--H7);box-shadow:3px 3px 1px 1px var(--gr);text-align:center}.list-types .li:not(:first-child){margin-top:16px}.list-types .li a{display:flex!important;flex-direction:column;align-items:center;justify-content:center;gap:8px;color:var(--Q7);padding:0.5em;text-decoration:none}.list-types .li a:hover .a-name{color:var(--Kf)}.calc-math{display:block;margin-top:6px}.a-gap{height:3px}.info{display:inline-block;align-items:center;height:20px;font-size:1.1em;font-family:'Roboto',sans-serif;padding:8px 32px;color:var(--Kf);border:1px solid var(--iX);border-width:0 1px 1px 1px;white-space:nowrap;cursor:pointer}.info-closed{border-radius:0 0 2px 2px}.info-opened{border-width:0 1px}.info-closed::before{content:"\2023"}.info-closed + div{display:none!important}.info-opened::before{content:"\25E6"}.info-text{padding:10px;font-size:1.1em;font-family:sans-serif;border:1px solid var(--iX);background-color:var(--Oq);overflow-x:hidden}.info-text p:nth-child(6n+1)::first-letter{color:var(--LC)}.info-text a{color:#5265b7!important}.round-squad{display:inline-block;height:4px;width:4px;margin:0 10px;border:3px solid;border-radius:50%;transition:transform 0.5s ease}.list-types .li a:hover .round-squad{border-radius:0!important;transform:rotate(360deg)}.r-s-color-1{border-color:#146161;background-color:#146161}.r-s-color-2{border-color:#2a2c73;background-color:#2a2c73}.r-s-color-3{border-color:#5a432c;background-color:#5a432c}.r-s-color-4{border-color:#1a6b2f;background-color:#1a6b2f}.r-s-color-5{border-color:#4169a5;background-color:#4169a5}.r-s-color-6{border-color:#6a4374;background-color:#6a4374}.r-s-color-7{border-color:#55798a;background-color:#55798a}.r-s-color-8{border-color:#a03f3f;background-color:#a03f3f}.info-text .katex{color:var(--Kf)}.info-text p{font-family:'Roboto',sans-serif;margin:10px 0 0 15px;line-height:1.7}ul{list-style:none;margin:0;padding:0}.point-to-down-appear::after,.point-to-down::after,.point-to-down-blinker::after{position:absolute!important;left:25%;font-size:2em;padding:0 5px 0 5px;color:var(--fQ);border-radius:4px;background:var(--im);box-shadow:1px 1px 1px var(--cy);content:"\261F"}.point-to-down-blinker::after{background:var(--JF)}.point-to-down-blinker::after{border-radius:4px 4px 0 0;opacity:0;top:-37px;animation-name:blinker;animation-iteration-count:1;animation-timing-function:cubic-bezier(0.4,0,1,1);animation-duration:0.5s}.point-to-down-appear::after{top:-60px;animation-name:appear;animation-iteration-count:1;animation-timing-function:ease-in-out;animation-duration:0.7s}.point-to-down::after{top:-37px;animation-name:shaker;animation-iteration-count:1;animation-timing-function:ease-in-out;animation-duration:1.5s;animation-name:var(--ev)}.relative-cursor{display:inline-block!important;position:relative!important}#share{position:fixed;right:0;top:128px;width:32px}#share>.top-right{display:flex;flex-direction:column;gap:8px}#share>.top-right>a{display:flex;align-items:center;justify-content:center;background:var(--be);border-radius:8px 0 0 8px;width:32px;height:32px;transition:background 0.3s}#share>.top-right>a>img{transform:scale(0.8);filter:var(--r7)}#share>.top-right>a.facebook>img{transform:scale(0.9)}#share>div>a:hover>img{filter:none}#share>div>.facebook:hover{background:#4680c2}#share>div>.twitter:hover{background:#272727}@media (max-width:1000px){.list-types{margin:0 25px}}@media (max-width:800px){#share:not(.mobile-share){display:none}.list-types{margin:0 12px}}@media (max-width:600px){#display-output-outset{font-size:1.41em!important}.content-right{justify-content:center}.content-offset{margin:16px 5px 8px 5px}.process{font-size:1.34em!important}.list-types{margin:0 8px}#input-expression{min-width:350px}}@media (max-width:500px){#input-expression{min-width:300px}}.container-line{min-height:2.3em;display:flex;flex-direction:row;margin-bottom:8px}.clear-svg{height:25px;width:25px;transform:rotate(180deg)}#clear-input{display:flex;align-items:center;justify-content:center;padding:0 16px;margin:0 8px;border:1px solid var(--Ud);border-radius:2px;background:var(--vC);cursor:pointer;-webkit-user-select:none;user-select:none}#clear-input:hover>img{filter:hue-rotate(115deg) brightness(1.5) saturate(3)}#random-input{display:flex;align-items:center;justify-content:center;padding:0 10px;border:1px solid var(--Ud);border-radius:2px;background:var(--vC);cursor:pointer}#random-input:hover>img{filter:var(--GK)}#smart-transform{display:flex;align-items:center;justify-content:center;padding:0 24px 0 20px;border:1px solid var(--Ud);border-radius:2px;background:var(--vC);cursor:pointer}#smart-transform>img{transition:opacity 0.3s ease,filter 0.3s ease}#bookmark-container{display:flex;justify-content:center;padding:5px 0}.bookmark-line{font-family:'Roboto',sans-serif;font-size:1em;color:var(--oi);padding:12px 24px;border:1px solid var(--ki);background:var(--zQ);border-radius:32px}.bformula{font-family:'Roboto',sans-serif;font-size:0.9em;margin:0 4px 0 4px;padding:2px 8px 2px 8px;border:1px solid gray;border-radius:10px;box-shadow:1px 1px 1px var(--cc)}.bookmark-line::first-letter{color:var(--LC)}.info-text .katex{font-size:1.05em;font-weight:600}#tohome{text-decoration:none}.inline-block{display:inline-block}.privacy{color:inherit;white-space:nowrap}.flex{display:flex}@media (max-width:600px){.plot-bottom{flex-direction:column;width:100%}#coord-label{border-width:0 1px 1px 1px}.plot-funcs{border-width:0 1px 1px 1px;margin:inherit}#download-graph{display:none}}.a-name{display:inline-flex;align-items:center;color:var(--fu);padding:8px 16px 8px 8px;border:1px solid var(--Kf);border-radius:2px}/**/.to-complex{cursor:pointer}#last-uploaded-image{display:flex;align-items:center;justify-content:center;width:28px;border:1.5px solid #a9b2e0;border-width:2px 0 2px 2px;cursor:pointer}@media (max-width:450px){#last-uploaded-image{display:none}}#start-drawing,#start-photo,#load-image{display:flex;align-items:center;justify-content:center;min-height:3rem;min-width:6rem}#start-drawing{min-width:3rem}#start-photo{display:none!important}#start-drawing,#load-image{position:relative;border:dotted;border-width:2px 0 2px 2px;cursor:pointer}#start-drawing{border-style:solid}#load-image.active-drag img{display:none}#load-image::before{position:absolute;top:2px;color:var(--mb);font-family:'Roboto',sans-serif;font-size:0.7em;content:"Print Screen &"}.macintosh #load-image::before{display:none}#load-image::after{position:absolute;bottom:0;color:var(--mb);font-family:'Roboto',sans-serif;font-size:0.7em;content:"CTRL+V"}.macintosh #load-image::after{content:"\2318+V"}#load-image.active-drag{border-color:var(--jz)!important;background:var(--Dp)!important}#load-image,#last-uploaded-image,#start-drawing{border-color:var(--j3)}#start-photo,#load-image{background:var(--ZH)}.photo-svg{height:24px;filter:var(--LZ)}#load-image>input[type="file"]{display:none}.input-main{display:flex;flex-grow:1}/**/@media (max-width:1040px){#header-middle,#menu-calc-middle{border-width:0!important}#middle-content{padding:8px 8px 64px 8px;border-width:0 0}}@media (max-width:800px){#start-drawing{flex-grow:1}#middle-content{padding:8px 0 64px 0}#load-image{min-width:70px}}@media (max-width:450px){#start-drawing{display:none}}#watch-pixel{position:absolute;width:1px;height:1px;top:500px;left:0;z-index:2147483647}/*qr*/#link-qrcode{display:none}@media (min-width:1000px){#link-qrcode{display:block;position:relative;height:0}#link-qrcode>div{position:absolute;top:0;right:0;z-index:1;background:#edf0ff;border-radius:50%;filter:var(--Bo)}#link-qrcode>div:not(:empty){padding:8px}#link-on-solve::after{display:inline-block}}#keyboard-button{transition:transform .4s ease-in-out}body.fully-scrolled:not(.inrender) #keyboard-button{transform:translate(0,100%)}.calc-method{display:flex;gap:4px;margin-left:auto;padding:0 16px}.switch{position:relative;display:flex;align-items:center;justify-content:end;width:64px;height:100%;cursor:pointer}.switch>img{padding-right:8px;width:16px;height:16px;z-index:1;filter:var(--K3)}.switch>input{opacity:0;width:0;height:0}.slider{position:absolute;display:flex;align-items:center;width:64px;top:0;left:0;right:0;bottom:0;border:1px solid var(--Ud);border-radius:24px}.slider:before{position:absolute;content:"";height:24px;width:24px;left:4px;background-color:var(--oh);transition:transform .4s,background .4s;border-radius:50%}input:checked + .slider:before{transform:translateX(32px);background-color:var(--mb)}#math-canvas:empty,#math-generated-canvas:empty{display:none!important}/**/#keyboard-button{position:fixed;bottom:0;right:20%;padding:6px;width:60px;height:24px;background:url(/logo/keyboard.svg) 50% / 54% no-repeat, var(--lB);border:1px solid var(--oY);border-width:1px 1px 0 1px;border-radius:2px 2px 0 0;cursor:pointer;z-index:18}button,input,select{font-family:inherit;font-size:100%;line-height:1.15;margin:0}button,input{overflow:visible}button,select{text-transform:none}button{-webkit-appearance:button}button::-moz-focus-inner{border-style:none;padding:0}button:-moz-focusring{outline:1px dotted ButtonText}[type="checkbox"],[type="radio"]{box-sizing:border-box;padding:0}