@font-face{font-family:CalcUI;src:url('/assets/CalcUI.woff2') format('woff2');font-weight:100 900;font-style:normal;font-display:swap}
:root{--ink:#16221b;--muted:#627067;--line:#dce4de;--soft:#f5f7f5;--green:#116343;--danger:#a52e20;--radius:0px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#fff;color:var(--ink);font:16px/1.7 CalcUI,-apple-system,BlinkMacSystemFont,'Noto Sans KR',sans-serif;word-break:keep-all;overflow-wrap:anywhere}button,input,select{font:inherit}button,a,input,select{-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}button{cursor:pointer}button:disabled{cursor:default}a:hover{text-decoration:underline;text-underline-offset:4px}:focus-visible{outline:3px solid #3c8565;outline-offset:4px}.skip{position:absolute;left:16px;top:-70px;z-index:10;background:var(--ink);color:white;padding:12px}.skip:focus{top:12px}.container{max-width:1100px;padding:0 36px;margin:auto}.site-header{border-bottom:1px solid var(--line)}.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:76px;gap:20px}.brand{display:flex;align-items:center;gap:10px;font-size:21px;font-weight:780;letter-spacing:-.7px}.brand svg{width:31px;height:31px}.header-links{display:flex;gap:25px;font-size:14px;font-weight:550;color:var(--muted)}.header-mark{display:none}.tool-nav{display:flex;gap:30px;overflow:auto;margin:24px 0 30px;border-bottom:1px solid var(--line)}.tool-nav a{display:flex;gap:8px;align-items:center;padding:12px 0;border-bottom:2px solid transparent;font-size:15px;white-space:nowrap;font-weight:650;color:var(--muted)}.tool-nav a.active{border-color:var(--green);color:var(--green)}.tool-nav a:hover{text-decoration:none;color:var(--green)}.tool-nav svg{width:17px;height:17px;stroke:currentColor;stroke-width:1.7;fill:none}.intro{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px}.intro h1{font-size:32px;font-weight:750;line-height:1.3;letter-spacing:-1.1px;margin:0 0 9px}.intro p{margin:0;color:var(--muted);font-size:15px}.intro .mini{font-size:12px;white-space:nowrap}.calc{display:grid;grid-template-columns:1.12fr 1fr;border-top:2px solid var(--ink);border-bottom:1px solid var(--line);padding:29px 0 27px;gap:34px}.entry{padding:0;min-width:0}.mode-switch{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin-bottom:23px;background:var(--soft);padding:4px}.mode-switch button{border:0;padding:8px 5px;background:transparent;color:var(--muted);font-weight:600;font-size:14px}.mode-switch button[aria-pressed=true]{background:#fff;color:var(--green);border-bottom:2px solid var(--green);padding-bottom:6px}.fields{display:grid;grid-template-columns:1fr 1fr;gap:18px}.fields.single{grid-template-columns:1fr}.field{min-width:0}.field label,.field-label{display:block;font-size:14px;font-weight:600;margin-bottom:8px}.input-wrap{position:relative}.input-wrap input{width:100%;border:1px solid #bbc9bf;border-radius:3px;background:white;padding:11px 42px 11px 13px;min-height:54px;font-size:22px;font-weight:600;letter-spacing:-.3px;font-variant-numeric:tabular-nums;color:var(--ink)}.input-wrap input:focus{border-color:var(--green);outline:2px solid #11634322;outline-offset:0}.input-wrap .unit{position:absolute;right:13px;top:50%;transform:translateY(-50%);color:var(--muted);font-size:15px;pointer-events:none}.field small{font-size:12px;color:var(--muted);display:block;margin-top:6px}.calculation-note{font-size:13px;color:var(--muted);margin:15px 0 0}.entry-actions{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:21px}.text-button{background:none;border:0;padding:4px 0;font-size:14px;color:var(--green);font-weight:600;text-decoration:underline;text-underline-offset:4px}.live-label{font-size:12px;color:var(--muted)}.result{background:#fff;color:var(--ink);padding:0 0 0 32px;border-left:1px solid var(--line);display:flex;flex-direction:column;justify-content:center;min-width:0}.result-top{display:flex;align-items:center;justify-content:space-between;gap:15px;font-size:14px;color:var(--muted)}.result-tag{font-size:12px;color:var(--green)}.result-main{font-size:48px;line-height:1.25;font-weight:730;letter-spacing:-1.5px;margin:14px 0 15px;color:var(--green);overflow-wrap:anywhere;font-variant-numeric:tabular-nums}.result-main .suffix{font-size:24px;margin-left:7px;letter-spacing:0}.result-desc{font-size:14px;color:#4e6255;margin:0}.result-formula{border-top:1px solid var(--line);margin-top:22px;padding-top:14px;font-size:14px;color:var(--muted)}.result-row{display:flex;justify-content:space-between;gap:14px;margin:6px 0;font-size:14px}.result-row strong{color:var(--ink);font-weight:600;text-align:right}.result-foot{font-size:12px;line-height:1.7;color:var(--muted);margin:14px 0 0}.error{color:var(--danger);background:#fff4f1;border-left:3px solid var(--danger);padding:15px;font-size:15px;margin:17px 0}.inline-info{display:flex;align-items:center;gap:9px;font-size:12px;color:var(--muted);margin:13px 0 0}.inline-info svg{width:15px;height:15px;flex-shrink:0;stroke:currentColor;fill:none;stroke-width:1.5}.guide-overview{margin:52px 0 54px;display:grid;grid-template-columns:1.15fr 1fr;gap:62px}.section-kicker{color:var(--green);font-size:12px;font-weight:700;letter-spacing:1px;margin:0 0 8px}.guide-overview h2,.related h2{font-size:24px;line-height:1.4;letter-spacing:-.5px;margin:0 0 17px}.guide-overview p{color:#4e5f53;margin:0 0 14px;font-size:16px}.formula-box{padding:15px 18px;background:var(--soft);border-left:2px solid var(--green);margin:18px 0;font-weight:600;font-size:15px}.read-link{display:inline-block;color:var(--green);font-weight:600;font-size:14px;border-bottom:1px solid var(--green);margin-top:3px}.example{border-top:1px solid var(--line);padding:17px 0}.example:last-child{border-bottom:1px solid var(--line)}.example h3{font-size:15px;margin:0 0 7px;font-weight:650}.example p{font-size:14px;margin:0;color:var(--muted)}.example strong{color:var(--green);font-weight:650}.related{border-top:1px solid var(--line);padding:30px 0 48px}.related h2{font-size:20px}.guide-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:27px}.guide-card{display:block;padding:6px 0 0}.guide-card:hover{text-decoration:none}.guide-card:hover h3{text-decoration:underline;text-underline-offset:4px;color:var(--green)}.guide-card .number{font-size:12px;font-weight:700;color:var(--muted)}.guide-card h3{font-size:17px;line-height:1.5;margin:9px 0 7px;font-weight:650;letter-spacing:-.25px}.guide-card p{font-size:14px;line-height:1.7;color:var(--muted);margin:0}.site-footer{border-top:1px solid var(--line);padding:26px 0 32px}.footer-inner{display:flex;justify-content:space-between;gap:20px}.footer-brand{font-size:15px;font-weight:650}.footer-inner p{font-size:12px;color:var(--muted);margin:5px 0 0}.footer-links{display:flex;flex-wrap:wrap;gap:12px 22px;align-items:flex-start;padding-top:3px;font-size:13px;color:var(--muted)}.select{width:100%;height:43px;border:1px solid #bbc9bf;border-radius:3px;background:#fff;color:var(--ink);padding:7px 10px;font-size:15px}.discount-fields{row-gap:18px}.discount-fields .input-wrap input{font-size:21px}.order-note{margin:20px 0 0;border-top:1px solid var(--line);padding:13px 0 0;font-size:13px;color:var(--muted)}.unit-mode{display:flex;align-items:center;gap:14px;margin-bottom:19px}.unit-mode label{font-size:14px;font-weight:600;white-space:nowrap}.unit-mode .select{max-width:170px}.product{padding:15px 0 17px;border-top:1px solid var(--line)}.product-title{display:flex;justify-content:space-between;align-items:center;margin:0 0 13px;font-size:14px;font-weight:650}.product-letter{display:inline-flex;background:var(--soft);width:25px;height:25px;align-items:center;justify-content:center;margin-right:7px;color:var(--green)}.product-fields{display:grid;grid-template-columns:1.2fr 1fr .7fr;gap:10px}.product-fields .input-wrap input{font-size:18px;padding:10px 30px 10px 10px;min-height:46px}.product-fields .unit{right:10px;font-size:13px}.product-fields .select{height:46px;padding:7px}.unit-result .result-main{font-size:34px;line-height:1.45;letter-spacing:-.8px}.comparison{margin-top:16px}.comparison-item{margin:16px 0}.comparison-item-head{display:flex;justify-content:space-between;gap:10px;font-size:14px;margin-bottom:8px}.comparison-item-head span{color:var(--muted)}.comparison-item-head strong{text-align:right;font-weight:600}.bar{height:5px;background:#edf1ee;overflow:hidden}.bar i{display:block;height:100%;background:var(--green);max-width:100%;min-width:0}.comparison-item:nth-child(2) .bar i{background:#839e8e}.document{max-width:760px;margin:0 auto;padding-top:34px;padding-bottom:60px}.breadcrumb{font-size:13px;color:var(--muted);margin-bottom:23px;display:flex;flex-wrap:wrap;gap:8px;align-items:center}.document h1{font-size:32px;line-height:1.4;letter-spacing:-.9px;margin:10px 0 18px;font-weight:750}.document .lead{font-size:18px;color:#405b49;line-height:1.85;margin:0 0 23px;border-left:2px solid var(--green);padding-left:19px}.document .meta{font-size:13px;color:var(--muted);padding-bottom:22px;border-bottom:1px solid var(--line);margin-bottom:29px}.document h2{font-size:23px;line-height:1.4;letter-spacing:-.45px;margin:35px 0 15px}.document h3{font-size:18px;margin:24px 0 10px}.document p,.document li{line-height:1.9;color:#46594c;font-size:16px}.document li{margin-bottom:8px}.document ul,.document ol{padding-left:23px}.document a{color:var(--green);text-decoration:underline;text-underline-offset:3px}.document .callout{padding:18px 20px;background:var(--soft);margin:24px 0}.document .callout p{margin:0}.document .cta{display:inline-block;background:var(--green);color:white;padding:11px 19px;border-radius:3px;text-decoration:none;font-weight:600;margin-top:14px}.data-table{width:100%;border-collapse:collapse;margin:20px 0;font-size:15px}.data-table th,.data-table td{padding:13px 10px;border-bottom:1px solid var(--line);text-align:left}.data-table th{background:var(--soft);font-weight:600}.document details{border-bottom:1px solid var(--line);padding:18px 0}.document summary{cursor:pointer;font-weight:600;padding-right:15px}.document details p{font-size:15px;margin-bottom:0}main noscript{display:block;padding:18px;background:#fff3d5;color:#58450f}.no-margin{margin:0!important}.not-found{text-align:center;padding:90px 20px}.not-found h1{font-size:32px}.not-found a{color:var(--green);text-decoration:underline}.quick-heading{font-size:15px;font-weight:650;margin:0 0 11px}.hub-tools{padding:34px 0 39px}.hub-tools h2{font-size:20px;margin:0 0 20px}.hub-list{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}.hub-item{padding-top:14px;border-top:1px solid var(--line)}.hub-item h3{margin:0 0 7px;font-size:18px}.hub-item p{font-size:14px;color:var(--muted);margin:0}.hub-item a{color:var(--green)}
@media(max-width:850px){.container{padding:0 26px}.guide-overview{gap:34px}.calc{gap:24px}.result{padding-left:24px}.result-main{font-size:41px}.unit-result .result-main{font-size:29px}.guide-cards,.hub-list{gap:20px}.intro .mini{display:none}}
@media(max-width:660px){.container{padding:0 20px}.header-inner{min-height:65px}.brand{font-size:19px;gap:8px}.brand svg{width:28px;height:28px}.header-links{gap:15px;font-size:13px}.header-links .desktop-only{display:none}.tool-nav{gap:24px;margin:15px 0 24px}.tool-nav a{font-size:14px;padding:10px 0}.tool-nav svg{width:16px;height:16px}.intro{margin-bottom:23px;display:block}.intro h1{font-size:28px;letter-spacing:-.8px;margin-bottom:8px}.intro p{font-size:14px}.calc{grid-template-columns:1fr;gap:23px;padding:20px 0 23px}.mode-switch{gap:5px;margin-bottom:20px}.mode-switch button{font-size:14px;padding:7px 2px}.fields{gap:13px}.input-wrap input{min-height:51px;font-size:21px;padding-left:11px}.field label{font-size:14px}.field small{font-size:12px}.entry-actions{margin-top:16px}.calculation-note{font-size:12px;margin-top:12px}.result{padding:20px 0 0;border-left:0;border-top:1px solid var(--line)}.result-main{font-size:41px;margin:10px 0 12px}.result-top{font-size:13px}.result-main .suffix{font-size:21px}.result-desc{font-size:14px}.result-formula{margin-top:16px;padding-top:12px;font-size:13px}.inline-info{align-items:flex-start;margin-top:12px}.inline-info svg{margin-top:3px}.guide-overview{display:block;margin:34px 0}.guide-overview h2{font-size:22px}.examples{margin-top:27px}.guide-cards{grid-template-columns:1fr;gap:0}.guide-card{display:grid;grid-template-columns:25px 1fr;gap:2px 9px;padding:16px 0;border-bottom:1px solid var(--line)}.guide-card:last-child{border-bottom:0}.guide-card .number{grid-row:1/3;padding-top:3px}.guide-card h3{font-size:16px;margin:0 0 3px}.guide-card p{grid-column:2;font-size:14px}.related{padding:25px 0 30px}.related h2{margin-bottom:6px}.footer-inner{display:block}.footer-links{padding-top:18px;gap:20px}.product-fields{grid-template-columns:1.2fr 1fr .7fr}.product-fields .field label{font-size:13px}.product-fields .input-wrap input{font-size:18px}.unit-result .result-main{font-size:29px}.discount-fields{gap:16px 12px}.discount-fields .input-wrap input{font-size:20px}.document{padding-top:26px;padding-bottom:43px}.document h1{font-size:28px;letter-spacing:-.6px}.document .lead{font-size:16px;padding-left:15px}.document h2{font-size:22px;margin-top:31px}.document .meta{margin-bottom:24px}.document .callout{padding:17px}.data-table{font-size:14px}.data-table th,.data-table td{padding:11px 7px}.hub-tools{padding:28px 0}.hub-tools h2{margin-bottom:16px}.hub-list{grid-template-columns:1fr;gap:16px}.hub-item{padding-top:13px}.hub-item h3{font-size:17px;margin-bottom:5px}.quick-heading{font-size:14px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
.tool-breadcrumb{margin:-15px 0 20px;font-size:12px}.result{min-height:230px}.unit-result{min-height:360px}[data-calculator="discount"] .result{min-height:342px}@media(max-width:660px){.tool-breadcrumb{margin:-12px 0 18px}.result{min-height:205px}.unit-result{min-height:345px}}
/* Additional everyday calculators, using the same flat working surface. */
[hidden]{display:none!important}.mode-switch.two{grid-template-columns:repeat(2,1fr)}.input-wrap input[type=date]{padding:11px 9px;font-size:16px;min-width:0;letter-spacing:0}.check-row{display:flex;align-items:flex-start;gap:10px;margin-top:18px;font-size:14px;color:var(--muted);cursor:pointer}.check-row input{width:18px;height:18px;accent-color:var(--green);flex-shrink:0;margin:3px 0 0}.date-value{font-size:36px;letter-spacing:-.6px}.split-value{font-size:36px;letter-spacing:-.7px}.split-calc .result{justify-content:flex-start;padding-top:4px}.split-person{padding:15px 0 18px;margin:16px 0 0;border:0;border-top:1px solid var(--line);min-width:0}.split-person legend{font-size:14px;font-weight:650;padding:0 9px 0 0}.split-person .input-wrap input{font-size:19px}.person-results{margin-top:20px}.person-result{padding:12px 0;border-top:1px solid var(--line)}.person-result>div{display:flex;justify-content:space-between;gap:10px;font-size:14px}.person-result>div strong{font-weight:650}.person-result p{font-size:12px;color:var(--muted);margin:4px 0 0}.settlement{border-top:2px solid var(--line);margin-top:18px;padding-top:14px}.settlement h3{font-size:16px;margin:0 0 12px}.settlement ul{list-style:none;padding:0;margin:0}.settlement li{display:flex;justify-content:space-between;gap:14px;padding:8px 0;font-size:14px}.settlement li strong{font-weight:650;color:var(--green)}.settlement>p{font-size:14px}.settlement-note{border-left:2px solid var(--green);background:var(--soft);padding:14px 16px;margin-top:18px;font-size:14px}.settlement-note p{font-size:13px;color:var(--muted);margin:8px 0 0}.hub-list{row-gap:27px}.tool-nav{scrollbar-width:thin}.calc[data-life-calculator=date] .entry-actions{flex-wrap:wrap}.calc[data-life-calculator=hourly-wage] .fields{row-gap:17px}@media(max-width:660px){.date-value,.split-value{font-size:30px}.tool-nav{gap:23px;padding-bottom:1px}.split-calc .result{padding-top:20px}.split-person .input-wrap input{font-size:18px}.person-result>div{font-size:14px}.settlement li{flex-wrap:wrap;gap:4px 12px}.check-row{font-size:14px}.calc[data-life-calculator=date] .fields{gap:12px}.input-wrap input[type=date]{font-size:15px}.hub-list{row-gap:17px}}

[data-calculator="discount"] .field-error{color:var(--danger);font-size:13px;margin:6px 0 0;line-height:1.5}[data-calculator="discount"] input[aria-invalid="true"]{outline:2px solid var(--danger);outline-offset:2px}

/* Shopping calculator additions preserve the flat layout and small-screen flow. */
.example-actions{margin-top:10px}.example-actions .text-button{text-align:left;line-height:1.7;min-height:40px}
.unit-calc .product-fields{grid-template-columns:minmax(0,1.4fr) minmax(0,1fr) minmax(0,.7fr) minmax(0,.9fr)}
[data-calculator="unit-price"] .field-error{color:var(--danger);font-size:13px;margin:6px 0 0;line-height:1.5}[data-calculator="unit-price"] input[aria-invalid="true"]{outline:2px solid var(--danger);outline-offset:2px}
@media(min-width:661px) and (max-width:950px){.unit-calc .product-fields{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:440px){.unit-calc .product-fields{grid-template-columns:repeat(2,minmax(0,1fr))}.entry-actions{flex-wrap:wrap}.result-row{flex-wrap:wrap;gap:2px 14px}.result-row strong{margin-left:auto}}