:root { --paper:#f5f2ea; --ink:#1d302a; --soft:#69756e; --line:#c9cdc2; --white:#fffdfa; --accent:#d4593d; --lime:#e2e898; --serif:Georgia,"Times New Roman",serif; --sans:"Apple SD Gothic Neo","Malgun Gothic","Noto Sans KR",Arial,sans-serif; }
* { box-sizing:border-box; }
html { scroll-behavior:smooth; overflow-x:hidden; }
body { margin:0; overflow-x:hidden; background:var(--paper); color:var(--ink); font-family:var(--sans); word-break:keep-all; }
button,input,select { font:inherit; }
button { cursor:pointer; }
a { color:inherit; }
.site-header { border-bottom:1px solid var(--ink); }
.header-inner { max-width:1220px; margin:auto; height:68px; padding:0 26px; display:flex; align-items:center; justify-content:space-between; }
.brand { display:flex; align-items:center; gap:10px; font-size:21px; font-weight:900; letter-spacing:-.09em; text-decoration:none; white-space:nowrap; }
.brand-symbol { display:grid; place-items:center; width:39px; height:39px; border-radius:50%; background:var(--accent); color:#fff; font:700 17px var(--serif); letter-spacing:-.11em; transform:rotate(-13deg); }
.brand-symbol span { color:var(--lime); }
.header-note { color:var(--soft); font-size:12px; font-weight:700; letter-spacing:.03em; }
.tool-nav { border-bottom:1px solid var(--line); }
.nav-inner { max-width:1220px; margin:auto; display:flex; gap:5px; overflow-x:auto; padding:0 26px; scrollbar-width:none; }
.nav-inner::-webkit-scrollbar { display:none; }
.nav-inner a { display:block; padding:16px 14px 15px; flex:none; text-decoration:none; font-size:13px; font-weight:800; white-space:nowrap; border-bottom:3px solid transparent; }
.nav-inner a:hover { color:var(--accent); }
.nav-inner a[aria-current] { color:var(--accent); border-color:var(--accent); }
.site-main { max-width:1220px; margin:0 auto; padding:0 26px 75px; }
.intro { min-height:186px; display:flex; align-items:center; justify-content:space-between; gap:24px; padding:27px 0 25px; }
.eyebrow { margin:0; font:700 12px var(--serif); letter-spacing:.18em; }
.eyebrow span { color:var(--accent); letter-spacing:.1em; }
.intro h1 { margin:10px 0 8px; font-size:clamp(33px,4.3vw,58px); line-height:1.08; letter-spacing:-.09em; }
.intro-line { margin:0; font-size:15px; color:#53645a; font-weight:600; letter-spacing:-.04em; }
.intro-photo { width:250px; height:142px; flex:none; margin:0; overflow:hidden; }
.intro-photo img { display:block; width:100%; height:100%; object-fit:cover; object-position:70% 52%; }
.workbench { display:grid; grid-template-columns:minmax(0,1.1fr) minmax(340px,.9fr); gap:16px; align-items:start; }
.calculator { background:var(--white); border:1.5px solid var(--ink); box-shadow:5px 5px 0 var(--ink); }
.panel-heading { min-height:52px; padding:0 23px; border-bottom:1px solid var(--line); display:flex; align-items:center; justify-content:space-between; gap:12px; }
.panel-heading span { font-size:13px; font-weight:900; }
.panel-heading small { color:var(--soft); font-size:11px; font-weight:700; }
.input-block { padding:20px 23px 21px; border-bottom:1px dashed var(--line); }
.input-block h2 { display:flex; align-items:center; gap:9px; margin:0 0 17px; font-size:17px; letter-spacing:-.06em; }
.input-block h2 span { display:grid; place-items:center; width:25px; height:25px; border-radius:50%; background:var(--lime); font:800 12px var(--serif); letter-spacing:0; }
.field-grid { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:13px; }
.field { min-width:0; display:block; }
.field > span:first-child { display:block; margin:0 0 7px; color:var(--soft); font-size:12px; font-weight:800; letter-spacing:-.04em; }
.field-control { display:flex; align-items:center; min-height:46px; padding:0 11px; border:1px solid #9fa9a0; background:#fff; transition:border-color .15s,box-shadow .15s; }
.field-control:focus-within { border-color:var(--accent); box-shadow:0 0 0 2px #d4593d29; }
.field-control input,.field-control select { width:100%; min-width:0; height:44px; border:0; outline:none; background:transparent; color:var(--ink); font-size:19px; font-weight:800; letter-spacing:-.055em; }
.field-control input[type=date] { font-size:15px; letter-spacing:-.02em; }
.field-control select { font-size:15px; cursor:pointer; }
.field-control em { margin-left:4px; color:var(--soft); font-size:12px; font-style:normal; font-weight:700; white-space:nowrap; }
.calculate-button { width:calc(100% - 46px); min-height:58px; margin:19px 23px 23px; padding:0 17px; border:0; background:var(--accent); color:#fff; display:flex; align-items:center; justify-content:space-between; text-align:left; font-size:17px; font-weight:900; letter-spacing:-.05em; }
.calculate-button:hover { background:#ac432c; }
.calculate-button span:last-child { font-size:26px; line-height:1; font-weight:400; }
.result { position:sticky; top:14px; min-height:431px; padding:23px 25px; background:var(--ink); color:var(--white); display:flex; flex-direction:column; overflow:hidden; box-shadow:5px 5px 0 #a5ada3; }
.result-heading { display:flex; justify-content:space-between; align-items:center; padding-bottom:14px; border-bottom:1px solid #ffffff4d; font:800 12px var(--sans); letter-spacing:-.02em; }
.result-prompt { margin:54px 0 4px; color:#d4dcd4; font-size:13px; font-weight:700; }
.result h2 { position:relative; z-index:1; margin:0; color:var(--lime); font-size:clamp(21px,2.4vw,32px); line-height:1.3; letter-spacing:-.07em; }
.result-main { position:relative; z-index:1; display:block; margin:14px 0 auto; font-size:clamp(25px,3vw,39px); letter-spacing:-.075em; line-height:1.25; }
.result-breakdown { display:grid; grid-template-columns:1fr 1fr; gap:12px; margin-top:40px; padding-top:16px; border-top:1px solid #ffffff4d; }
.result-breakdown span { font-size:12px; font-weight:800; line-height:1.45; }
.result-note { min-height:43px; margin:17px 0 0; color:#bfcac0; font-size:11px; line-height:1.5; }
.result[data-state=error] h2 { color:#ffb99d; }
.calculation-basis { display:grid; grid-template-columns:92px 1fr; gap:3px 18px; padding:23px 0 20px; border-bottom:1px solid var(--line); color:#53645a; font-size:13px; line-height:1.6; }
.calculation-basis strong { grid-row:span 2; color:var(--ink); font-size:13px; }
.calculation-basis p { margin:0; }
.calculation-basis .basis-example { color:var(--ink); font-weight:700; }
.more-tools { padding-top:40px; }
.more-heading { display:flex; align-items:end; justify-content:space-between; gap:16px; border-bottom:1.5px solid var(--ink); padding-bottom:16px; margin-bottom:14px; }
.more-heading .eyebrow { color:var(--accent); }
.more-heading h2 { margin:5px 0 0; font-size:25px; letter-spacing:-.08em; }
.tool-grid { display:grid; grid-template-columns:repeat(5,minmax(0,1fr)); gap:9px; }
.tool-card { min-height:135px; padding:16px; border:1px solid var(--line); background:#fbfaf5; display:flex; flex-direction:column; justify-content:space-between; text-decoration:none; transition:transform .15s,border-color .15s; }
.tool-card:hover { transform:translateY(-3px); border-color:var(--ink); }
.card-no { color:var(--accent); font:800 12px var(--serif); }
.tool-card strong { font-size:15px; letter-spacing:-.06em; }
.card-arrow { align-self:end; font-size:22px; font-weight:300; }
.site-footer { border-top:1px solid var(--ink); max-width:1168px; margin:auto; padding:20px 0 35px; display:flex; justify-content:space-between; gap:18px; color:var(--soft); font-size:11px; }
.site-footer div { display:flex; flex-direction:column; gap:5px; }
.site-footer strong { color:var(--ink); font:800 12px var(--serif); letter-spacing:.13em; }
.site-footer div:last-child { text-align:right; }
.site-footer a { text-decoration:underline; }
.policy { max-width:720px; min-height:80vh; margin:55px auto; padding:0 25px; line-height:1.8; }
.policy h1 { font-size:35px; letter-spacing:-.08em; }
.policy p { margin:20px 0; }

@media (max-width:980px) {
  .workbench { grid-template-columns:minmax(0,1fr) minmax(300px,.86fr); }
  .tool-grid { grid-template-columns:repeat(3,minmax(0,1fr)); }
}
@media (max-width:760px) {
  .header-inner { height:58px; padding:0 18px; }
  .brand { font-size:18px; }
  .brand-symbol { width:34px; height:34px; font-size:15px; }
  .header-note { display:none; }
  .nav-inner { padding:0 12px; }
  .nav-inner a { padding:12px 10px 10px; font-size:12px; }
  .site-main { padding:0 16px 50px; }
  .intro { min-height:0; padding:23px 0 20px; flex-wrap:wrap; gap:12px; }
  .intro-photo { width:100%; height:82px; }
  .intro-photo img { object-position:62% 58%; }
  .intro h1 { margin:8px 0 5px; font-size:clamp(30px,8vw,42px); }
  .intro-line { font-size:12px; line-height:1.45; }
  .workbench { grid-template-columns:1fr; gap:15px; }
  .result { position:static; min-height:330px; padding:18px 20px; }
  .result-prompt { margin-top:35px; }
  .result-main { margin-top:8px; }
  .result-breakdown { margin-top:25px; }
  .calculation-basis { display:block; padding:19px 0; font-size:12px; }
  .calculation-basis strong { display:block; margin-bottom:6px; }
  .calculation-basis p + p { margin-top:4px; }
  .more-tools { padding-top:42px; }
  .tool-grid { grid-template-columns:repeat(2,minmax(0,1fr)); }
  .site-footer { margin:0 16px; padding:18px 0 30px; }
}
@media (max-width:480px) {
  .date-block .field-grid { grid-template-columns:1fr; }
  .input-block { padding:16px 15px 17px; }
  .panel-heading { min-height:45px; padding:0 15px; }
  .panel-heading small { font-size:10px; }
  .field-grid { gap:10px; }
  .field-control { padding:0 8px; min-height:43px; }
  .field-control input,.field-control select { height:41px; font-size:17px; }
  .field-control input[type=date],.field-control select { font-size:13px; }
  .field-control em { font-size:10px; }
  .calculate-button { width:calc(100% - 30px); min-height:54px; margin:16px 15px; }
  .tool-card { min-height:112px; padding:12px; }
  .tool-card strong { font-size:14px; }
  .site-footer { display:block; }
  .site-footer div:last-child { text-align:left; margin-top:14px; }
}
@media (prefers-reduced-motion:reduce) { *,*::before,*::after { scroll-behavior:auto!important; transition:none!important; } }