:root{--ink:#142d35;--muted:#64787d;--teal:#087c70;--line:#dce5e2;--paper:#f6f8f5;--white:#fff;--tint:#e5f0e8;--orange:#e3ab5e;font-family:Inter,Pretendard,-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans KR",sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}*{box-sizing:border-box}body{margin:0}a{color:inherit;text-decoration:none}a:hover{color:var(--teal)}button,input,select,textarea{font:inherit}button,a,input,select,textarea{outline-offset:4px}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.45}.wrap{width:min(1180px,calc(100% - 64px));margin:auto}.skip{position:absolute;left:-10000px}.skip:focus{left:16px;top:10px;background:white;z-index:5;padding:12px}header{background:#fff;border-bottom:1px solid var(--line)}.nav{height:84px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:11px;font-size:21px;font-weight:800;letter-spacing:-.6px}.mark{display:grid;place-items:center;background:var(--ink);color:white;width:35px;height:35px;border-radius:10px;font-size:17px}.mark{position:relative;display:block;text-align:center;line-height:35px}.mark span{color:#75d5b0;position:absolute;right:3px;top:3px;font-size:10px;line-height:1}.links{display:flex;align-items:center;gap:32px;font-size:14px;font-weight:600}.privacy-pill{color:var(--teal);background:#eff6f1;border:1px solid #dbeae0;border-radius:30px;padding:10px 15px;font-size:12px;white-space:nowrap}.hero{display:grid;grid-template-columns:1.1fr 1fr;align-items:center;gap:65px;padding:74px 0 65px}.eyebrow{font-size:11px;font-weight:750;letter-spacing:2px;color:var(--teal);display:flex;align-items:center;gap:9px}.eyebrow:before{content:'';display:block;width:6px;height:6px;border-radius:100%;background:var(--teal)}h1{font-size:48px;line-height:1.27;letter-spacing:-2.5px;margin:22px 0}.accent{color:var(--teal)}.lead{font-size:16px;line-height:1.9;color:var(--muted);max-width:490px}.hero-actions{display:flex;gap:12px;margin:26px 0}.btn{border:1px solid var(--line);background:white;padding:13px 19px;border-radius:7px;font-size:14px;font-weight:650;display:inline-flex;align-items:center;justify-content:center;gap:12px;color:var(--ink)}.btn.primary{background:var(--teal);border-color:var(--teal);color:white}.btn.primary:hover{background:#075e56}.hero-notes{display:flex;gap:18px;font-size:12px;color:var(--muted)}.hero-notes span:before{content:'✓';color:var(--teal);margin-right:6px}.demo{background:white;border:1px solid #ccdcd5;border-radius:12px;box-shadow:0 16px 35px #15352b0b;transform:rotate(-1deg);overflow:hidden}.demo-bar{background:#f0f4f0;display:flex;align-items:center;justify-content:space-between;padding:14px 18px;font-size:11px;color:var(--muted);border-bottom:1px solid var(--line)}.dots{color:#a5b9ae;letter-spacing:3px}.demo-body{padding:24px}.demo-label{font-size:10px;letter-spacing:1px;color:var(--muted);margin-bottom:12px}.demo table{font-size:12px;width:100%;border-collapse:collapse}.demo td,.demo th{text-align:left;padding:10px 12px;border:1px solid var(--line)}.demo th{font-weight:500;background:#f5f7f3}.flow-arrow{padding:12px;text-align:center;color:var(--teal);font-size:12px}.code-demo{background:var(--ink);color:#c8e7d3;font:12px/1.9 ui-monospace,monospace;padding:20px;border-radius:5px;overflow:auto;white-space:pre-wrap;margin:0}.demo-status{border-top:1px solid var(--line);padding:13px 22px;color:var(--teal);font-size:11px;display:flex;justify-content:space-between}.trust{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:20px 0;display:flex;justify-content:space-between;font-size:12px;color:var(--muted)}.trust strong{color:var(--ink);font-weight:650}.section{padding:55px 0}.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px}h2{font-size:28px;letter-spacing:-1px;margin:0 0 8px}.section-head p{font-size:14px;color:var(--muted);margin:0}.small-link{color:var(--teal);font-size:13px;font-weight:600}.tool-controls{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:24px}.chips{display:flex;gap:7px}.chip{border:1px solid transparent;background:transparent;padding:9px 17px;font-size:13px;color:var(--muted);border-radius:6px}.chip.active{background:var(--ink);color:white}.search{border:1px solid var(--line);background:white;border-radius:7px;padding:11px 14px;width:250px;font-size:13px}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.tool-card{background:white;border:1px solid var(--line);border-radius:9px;padding:25px;transition:border-color .2s,transform .2s;display:flex;flex-direction:column;min-height:240px}.tool-card:hover{border-color:#82b3a3;transform:translateY(-3px)}.tool-card[hidden]{display:none}.card-top{display:flex;align-items:center;justify-content:space-between}.icon{width:40px;height:40px;border-radius:8px;display:grid;place-items:center;background:#eaf3ed;color:#168165;font:700 16px ui-monospace,monospace}.icon.blue{background:#eef0fa;color:#5b6db0}.icon.orange{background:#fbf0e5;color:#b17838}.tag{font-size:10px;letter-spacing:.8px;color:var(--muted)}h3{font-size:17px;letter-spacing:-.4px;margin:20px 0 10px}.tool-card p{font-size:13px;line-height:1.8;color:var(--muted);margin:0}.card-foot{margin-top:auto;padding-top:22px;display:flex;justify-content:space-between;font-size:11px;color:var(--muted)}.card-foot b{font-size:18px;color:var(--teal);font-weight:400}.guides-bg{background:#edf2ec;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.guide-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.guide-card{background:#fff;border:1px solid var(--line);border-radius:7px;padding:23px}.guide-card h3{font-size:16px;line-height:1.6;margin:18px 0}.guide-card p{font-size:12px;color:var(--muted);line-height:1.8}.guide-no{font:12px ui-monospace,monospace;color:var(--teal)}.bottom-banner{display:flex;justify-content:space-between;align-items:center;padding:30px;border:1px solid #cbded1;border-radius:9px;background:#e8f1e9;margin:42px 0}.bottom-banner h3{margin:0 0 10px}.bottom-banner p{margin:0;color:var(--muted);font-size:13px}footer{border-top:1px solid var(--line);padding:30px 0 35px;background:white}.footer-top{display:flex;justify-content:space-between;align-items:center}.footer-links{display:flex;gap:20px;font-size:12px;color:var(--muted)}.footer-bottom{font-size:11px;color:var(--muted);margin-top:22px;display:flex;justify-content:space-between}.crumb{font-size:12px;color:var(--muted);padding:26px 0}.page-heading h1{font-size:35px;letter-spacing:-1.6px;margin:12px 0}.page-heading .lead{max-width:750px;font-size:14px}.notice{font-size:12px;line-height:1.8;color:#366952;background:#e9f3eb;border:1px solid #d4e6d8;border-radius:6px;padding:12px 16px;margin:18px 0 25px}.workspace{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:25px 0 32px}.panel{background:white;border:1px solid var(--line);border-radius:9px;padding:24px;min-width:0}.panel h2{font-size:17px;margin-bottom:22px}.step{font:11px ui-monospace,monospace;color:var(--teal);margin-right:9px}.field{display:block;margin:16px 0;color:var(--ink);font-size:12px;font-weight:600}.field input:not([type=checkbox]),.field select{display:block;width:100%;margin-top:8px;border:1px solid #cddad3;padding:11px;border-radius:5px;background:white;color:var(--ink)}input[type=file]{font-size:12px;width:100%}.input-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.input-grid .field{margin:0 0 16px}textarea{width:100%;border:1px solid #cddad3;border-radius:6px;resize:vertical;padding:14px;font:12px/1.8 ui-monospace,monospace;min-height:200px;background:#fcfdfb;color:var(--ink);tab-size:2}textarea:focus{outline:2px solid #89b6a5}.inline-actions{display:flex;gap:9px;flex-wrap:wrap;margin-top:15px}.subtle{font-size:11px;color:var(--muted);line-height:1.8}.result-panel{background:#fefefd}.result-panel textarea{background:#f1f5f0;min-height:230px}.status{border-radius:5px;background:#e9f3eb;color:#306a51;padding:13px 16px;font-size:13px;line-height:1.7;margin-bottom:28px}.status.error{background:#fff0e9;color:#a24326}.table-wrap{overflow:auto;max-height:260px;margin-top:16px}.table-wrap table{border-collapse:collapse;width:100%;font-size:11px;white-space:pre-wrap}.table-wrap th,.table-wrap td{padding:8px;border:1px solid var(--line);text-align:left;max-width:240px;overflow-wrap:anywhere}.table-wrap th{background:#edf3ed}.article{max-width:820px;margin:0 auto;padding:20px 0 65px;line-height:1.9}.article h1{font-size:37px;line-height:1.4;letter-spacing:-1.4px}.article h2{font-size:23px;margin:36px 0 12px}.article h3{font-size:18px}.article p,.article li{font-size:14px;color:#4e646a}.article a{color:var(--teal);text-decoration:underline}.article pre{background:var(--ink);color:#d1eadc;padding:23px;border-radius:7px;font-size:13px;overflow:auto}.article table{border-collapse:collapse;width:100%;font-size:13px}.article td,.article th{padding:12px;border:1px solid var(--line);text-align:left}.article th{background:#edf2ed}.faq details{padding:16px 0;border-bottom:1px solid var(--line)}.faq summary{font-size:14px;font-weight:650;cursor:pointer}.faq p{font-size:13px}.badge{font-size:10px;color:var(--teal);letter-spacing:1px;border:1px solid #c5ded0;border-radius:4px;padding:5px 7px;vertical-align:middle;margin-left:9px}.empty{font-size:14px;color:var(--muted);padding:24px;text-align:center}button:focus-visible,a:focus-visible{outline:3px solid #69a998}@media(max-width:900px){.wrap{width:calc(100% - 40px)}.hero{gap:30px}.hero h1{font-size:38px}.privacy-pill{display:none}.cards{grid-template-columns:repeat(2,1fr)}.guide-cards{grid-template-columns:repeat(2,1fr)}.hero-notes{gap:10px;font-size:11px}.links{gap:20px}.workspace{gap:12px}.panel{padding:18px}}@media(max-width:620px){.wrap{width:calc(100% - 32px)}.nav{height:70px;gap:10px}.brand{font-size:17px}.mark{width:30px;height:30px}.links{font-size:12px;gap:14px}.links .extra{display:none}.hero{grid-template-columns:1fr;padding:42px 0 32px;gap:28px}.hero h1{font-size:39px;letter-spacing:-2px}.lead{font-size:14px}.demo{transform:none}.trust{gap:10px;flex-wrap:wrap;line-height:1.8;font-size:11px}.section{padding:36px 0}.section-head{align-items:start}h2{font-size:25px}.section-head p{font-size:12px}.tool-controls{flex-direction:column;align-items:stretch;gap:14px}.search{width:100%}.chips{justify-content:space-between}.chip{padding:9px 14px}.cards{grid-template-columns:1fr}.tool-card{min-height:210px}.guide-cards{grid-template-columns:1fr}.bottom-banner{padding:23px;gap:20px;align-items:start;flex-direction:column}.footer-top,.footer-bottom{flex-direction:column;align-items:start;gap:20px}.footer-links{gap:14px;flex-wrap:wrap}.workspace{grid-template-columns:1fr}.page-heading h1{font-size:30px}.article h1{font-size:29px}.article{padding-top:0}.input-grid{grid-template-columns:1fr 1fr}.hero-notes{flex-wrap:wrap}.section-head .small-link{white-space:nowrap}.panel .btn{padding:11px 14px}.demo-body{padding:20px}}

.column-editor{margin:18px 0}.column-row{display:grid;grid-template-columns:20px 80px 1fr 42px 42px;gap:8px;align-items:center;margin:8px 0;font-size:12px}.column-row input:not([type=checkbox]){padding:10px;min-width:0;border:1px solid var(--line);border-radius:5px}.column-row .btn{padding:8px}.category-links{display:flex;flex-wrap:wrap;gap:10px;margin:25px 0}.guide-cards{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}#advanced-form .status{margin:18px 0}#advanced-form textarea{margin-top:8px}#advanced-form .input-grid{align-items:start}.column-row span{white-space:nowrap}@media(max-width:620px){.column-row{grid-template-columns:20px 50px 1fr 34px 34px;gap:5px}.column-row .btn{padding:7px 4px}#advanced-form .input-grid{grid-template-columns:1fr}}

/* Salary and tax calculators */
.calc-basis{display:inline-block;margin-top:18px;padding:9px 13px;border:1px solid #c6dacf;border-radius:7px;background:#eef5ee;color:#315b52;font-size:13px;line-height:1.7}
.calc-workspace{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:24px;align-items:start;margin:25px 0 54px}
.calc-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-bottom:24px}
.calc-fields .field{margin:0 0 7px}.calc-fields .subtle{margin:7px 0 0;font-size:12px;line-height:1.6}.calc-check{grid-column:1/-1;display:flex;align-items:flex-start;gap:8px;line-height:1.7}
.calc-input-unit{display:flex;align-items:center;gap:9px}.calc-input-unit input{min-width:0;width:100%}.calc-input-unit span{font-size:13px;color:#657a78;flex-shrink:0}
.calc-result-panel{background:#f0f6f0;border-color:#c6dacf;position:sticky;top:104px}.calc-result-label{font-size:16px;color:#41615a;margin:20px 0 7px}.calc-result-value{font-size:clamp(26px,3vw,42px);line-height:1.35;letter-spacing:-1.2px;font-weight:800;color:#087c70;margin:0 0 15px;overflow-wrap:anywhere}
.calc-result-panel table{width:100%;font-size:14px}.calc-result-panel th{font-weight:500;text-align:left;white-space:normal;width:55%;color:#4e6863}.calc-result-panel td{text-align:right;font-variant-numeric:tabular-nums;white-space:normal}.calc-result-note{font-size:12px;line-height:1.9;color:#516c65;margin-top:18px}
.income-distribution{display:flex;height:24px;gap:2px;margin:25px 0 7px;border-radius:5px;overflow:hidden}.income-distribution span{display:block;background:#c4d8ce}.income-distribution span.selected{background:#087c70;outline:2px solid #142d35;outline-offset:-2px}
@media(max-width:800px){.calc-workspace{grid-template-columns:1fr}.calc-result-panel{position:static}.calc-fields{grid-template-columns:1fr}.calc-result-value{font-size:30px}.nav .links{gap:12px}.nav .links a{font-size:13px}}
.calc-fields input:not([type=checkbox]),.calc-fields select{width:100%;min-width:0;border:1px solid #ccdcd5;border-radius:7px;padding:12px 13px;background:#fff;color:var(--ink);font-size:15px;line-height:1.5}
.calc-result-panel .table-wrap{max-height:none}
@media(max-width:620px){.nav{height:auto;min-height:70px;flex-wrap:wrap;padding:14px 0}.nav .links{width:100%;gap:22px;padding-top:6px}.chips{flex-wrap:wrap;justify-content:flex-start;gap:7px}.chip{padding:9px 12px}}

#calc-enabled{border:0;padding:0;margin:0;min-width:0}

/* Worked examples for the three featured data tools. */
.worked-example{padding:28px 30px;margin:26px 0 32px;border:1px solid #bcd7cd;background:#eff6f0;border-radius:14px;scroll-margin-top:110px}
.example-heading{display:flex;justify-content:space-between;align-items:flex-start;gap:22px}.example-heading h2{font-size:23px;line-height:1.5;margin:9px 0 10px;letter-spacing:-.5px}.example-heading p{margin:0;color:#4b6560;line-height:1.9;max-width:820px}
.example-badge{font-size:12px;white-space:nowrap;color:#315e52;border:1px solid #c4dbcf;border-radius:20px;padding:7px 11px;background:#fff}
.worked-example .inline-actions{margin:20px 0}.worked-example ol{padding-left:23px;line-height:1.9;color:#36564f}.worked-example li{margin:7px 0}
.expected-result{padding:13px 16px;margin:20px 0;background:#fff;border-left:3px solid #087c70;border-radius:5px;line-height:1.8;font-size:14px}.expected-result strong{display:block;color:#087c70;font-size:12px;margin-bottom:4px}
.example-details{margin-top:20px;border-top:1px solid #caddd2;padding-top:16px}.example-details summary{font-weight:650;color:#235b4e;cursor:pointer}.example-pair{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:20px}.example-details h3{font-size:15px;margin:20px 0 8px}
.example-table{max-height:none;margin:10px 0 16px}.example-table table{font-size:13px;min-width:340px}.example-help .example-table table{min-width:0}.example-help th:first-child{width:28%}.example-help td{white-space:normal;line-height:1.9}.example-help{margin-bottom:40px}
.example-next{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.example-next a{font-size:14px}.example-next span{color:#7c9288}.selected-files{padding-left:20px;margin:8px 0 22px;font-size:13px;color:#385e53;line-height:1.9;overflow-wrap:anywhere}
#tool-form,#advanced-form{scroll-margin-top:110px}.featured-tools{padding-top:36px}
@media(max-width:760px){.worked-example{padding:22px 18px}.example-heading{display:block}.example-badge{display:inline-block;margin-top:12px}.example-heading h2{font-size:20px}.example-pair{grid-template-columns:1fr}.example-help th:first-child{width:33%}.worked-example .btn{font-size:13px}.example-help .example-table{overflow-x:auto}}


.language-link{display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;border:1px solid var(--line);border-radius:6px;padding:9px 12px;font-size:13px;font-weight:650;white-space:nowrap}html[lang="en"] h1{letter-spacing:-1.5px}html[lang="en"] .demo pre{white-space:pre-wrap;overflow-wrap:anywhere;font-size:13px;line-height:1.7}@media(max-width:1050px){.nav{gap:12px}.links{gap:16px}.nav .privacy-pill{display:none}}@media(max-width:600px){html[lang="en"] h1{font-size:32px}.language-link{padding:7px 9px}.nav{gap:8px}html[lang="en"] .hero-notes{flex-wrap:wrap}html[lang="en"] .hero-actions{flex-wrap:wrap}}

/* Batch image workspace */
#image-form select{display:block;width:100%;padding:12px;border:1px solid var(--line,#ccd8d3);border-radius:8px;background:var(--white,#fff);color:var(--ink,#142d35);font:inherit;margin-bottom:16px}#image-progress{width:100%;height:12px;accent-color:#087c70}.image-results{list-style:none;margin:20px 0;padding:0;display:grid;gap:16px}.image-results li{padding:16px;border:1px solid #cfded8;border-radius:12px;overflow-wrap:anywhere}.image-results img{display:block;object-fit:contain;width:160px;height:120px;background:repeating-conic-gradient(#e1e7e3 0% 25%,#fff 0% 50%) 50%/16px 16px;border:1px solid #cfded8;border-radius:6px}.image-results p{font-size:13px;line-height:1.7}.image-error{color:#982f23}#image-form .field input[type=checkbox]{width:auto}