:root{--purple:#5c37d5;--purple-dark:#4828b8;--purple-soft:#f0edff;--purple-light:#f8f6ff;--ink:#161823;--muted:#6e7284;--line:#e8e9f1;--line2:#d9dce8;--bg:#fafbfe;--white:#fff;--green:#117a49;--greenbg:#e8f9ee;--red:#c7354b;--redbg:#fff0f2;--shadow:0 12px 36px rgba(34,35,70,.045);}
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--bg);color:var(--ink);font-family:Pretendard,"Noto Sans KR","Apple SD Gothic Neo","Malgun Gothic",system-ui,sans-serif;-webkit-font-smoothing:antialiased;font-size:16px;line-height:1.55}
    button,input,select{font:inherit}
    button{cursor:pointer}
    button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #a998ff;outline-offset:2px}
    a{text-decoration:none;color:inherit}
    .sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
    .icon{width:22px;height:22px;display:inline-block;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;fill:none;flex-shrink:0}
    .header{height:92px;border-bottom:1px solid #e8e9ef;background:rgba(255,255,255,.96);position:sticky;top:0;z-index:20;backdrop-filter:blur(14px)}
    .header-inner{max-width:1410px;height:100%;margin:auto;padding:0 32px;display:flex;align-items:center;gap:30px;justify-content:space-between}
    .brand{display:flex;align-items:center;gap:15px;min-width:245px}
    .brand-mark{width:54px;height:54px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#7250ee,#4c2cba);border-radius:16px;box-shadow:0 5px 11px rgba(82,49,196,.18);color:white}
    .brand-mark svg{width:32px;height:32px;stroke-width:2.1}
    .brand-name{font-size:29px;line-height:1.14;font-weight:850;letter-spacing:-1.3px}
    .brand-sub{font-size:12.5px;letter-spacing:-.15px;color:var(--muted);margin-top:5px}
    .nav{display:flex;gap:7px;align-items:center;justify-content:center;flex:1}
    .nav-btn{display:flex;align-items:center;justify-content:center;gap:10px;border:0;border-radius:12px;background:transparent;padding:14px 16px;white-space:nowrap;font-weight:760;color:#414357;font-size:16px;transition:background .15s,color .15s,transform .15s}
    .nav-btn:hover{background:#f4f2ff;color:var(--purple)}
    .nav-btn.active{background:linear-gradient(145deg,#6442e3,#4b2cb8);box-shadow:0 5px 13px rgba(89,54,206,.17);color:white}
    .nav-btn .icon{width:21px;height:21px}
    .header-actions{display:flex;gap:6px;align-items:center}
    .icon-btn{width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;border:0;background:transparent;color:#44485d;border-radius:12px}
    .icon-btn:hover{background:#f4f2ff;color:var(--purple)}
    .menu-toggle{display:none}
    .main{max-width:1352px;margin:auto;padding:48px 30px 70px}
    .hero{display:flex;align-items:center;justify-content:space-between;gap:30px;margin-bottom:34px}
    .hero-main{min-width:0}
    .eyebrow{color:var(--purple);font-size:12px;font-weight:820;letter-spacing:.12em;margin-bottom:10px}
    .hero-line{display:flex;align-items:center;gap:16px}
    .hero-icon{width:65px;height:65px;flex:0 0 65px;display:grid;place-items:center;color:var(--purple);background:linear-gradient(140deg,#f0ebff,#e2dafa);border-radius:19px}
    .hero-icon svg{width:36px;height:36px;stroke-width:2.3}
    h1{font-size:37px;letter-spacing:-1.7px;line-height:1.22;margin:0;font-weight:850}
    .hero-description{color:#73778b;font-size:16.5px;margin:12px 0 0 81px;letter-spacing:-.3px}
    .info-box{display:flex;align-items:flex-start;gap:11px;background:linear-gradient(120deg,#f1eeff,#f9f8ff);border:1px solid #e9e3ff;border-radius:15px;padding:18px 22px;max-width:405px;width:100%;flex-shrink:0}
    .info-box svg{color:var(--purple);width:21px;height:21px;margin-top:2px}
    .info-title{font-weight:800;color:#3b287c;font-size:16px;margin-bottom:3px}
    .info-text{font-size:12.5px;color:#77718d;line-height:1.55}
    .calculator-grid{display:grid;grid-template-columns:minmax(0,.94fr) minmax(0,1.06fr);gap:24px;align-items:stretch}
    .card{background:white;border:1px solid #e3e4ee;border-radius:18px;box-shadow:var(--shadow);min-width:0;overflow:hidden}
    .card-header{padding:21px 26px;border-bottom:1px solid #eceef5;display:flex;align-items:center;gap:12px;min-height:75px}
    .card-header svg{width:25px;height:25px;color:var(--purple)}
    .card-header h2{font-size:21px;font-weight:850;letter-spacing:-.8px;margin:0}
    .card-header.tinted{background:linear-gradient(115deg,#eeebff,#f8f6ff);border-bottom:1px solid #e7e2fb}
    .card-body{padding:24px 26px 26px}
    .fields{display:grid;gap:17px}
    .field{display:grid;grid-template-columns: minmax(155px,1fr) minmax(0,1.35fr);align-items:center;gap:18px}
    .field-label{font-size:16px;font-weight:720;letter-spacing:-.3px;display:flex;align-items:center;gap:7px}
    .help{height:19px;width:19px;border:1.5px solid #b2b7c8;border-radius:50%;color:#8a8fa4;display:inline-flex;justify-content:center;align-items:center;font-size:11px;font-weight:800;cursor:help}
    .number-box{display:flex;align-items:center;border:1px solid var(--line2);border-radius:9px;height:49px;background:#fff;min-width:0;padding:0 14px;transition:border-color .15s,box-shadow .15s}
    .number-box:focus-within{border-color:#917ef0;box-shadow:0 0 0 3px rgba(99,66,227,.10)}
    .number-box input{border:0;outline:0;min-width:0;width:100%;height:100%;background:transparent;text-align:right;font-weight:730;letter-spacing:.05px;color:#25243a;font-size:17px;font-variant-numeric:tabular-nums}
    .number-box input:focus-visible{outline:0}
    .number-box .suffix{margin-left:10px;font-size:14px;color:#898b9a;white-space:nowrap}
    .number-box:has(input:disabled){background:#f7f7fa}
    .hint{color:#999caf;font-size:12px;padding:6px 0 0;line-height:1.4}
    .input-footer{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:31px;padding-top:25px;border-top:1px solid #f0f0f5}
    .actions{display:flex;align-items:center;gap:10px;width:100%}
    .btn{min-height:49px;border-radius:11px;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 16px;font-weight:790;white-space:nowrap;border:1px solid var(--line2);transition:.15s}
    .btn svg{height:18px;width:18px}
    .btn-outline{background:#fff;color:#333448;flex:1}
    .btn-outline:hover{background:#f7f6fb}
    .btn-primary{background:linear-gradient(130deg,#6745e8,#4c2cbd);color:#fff;border-color:#5936ca;flex:1.5;box-shadow:0 5px 10px rgba(85,54,193,.15)}
    .btn-primary:hover{transform:translateY(-1px);filter:brightness(1.06)}
    .result-body{padding:21px 24px 25px}
    .result-hero{border-radius:13px;background:linear-gradient(115deg,#f4f1ff,#f9f8ff);padding:23px 22px;display:grid;grid-template-columns:1.08fr .92fr;gap:19px;align-items:center}
    .hero-stat{display:flex;align-items:center;gap:14px;min-width:0}
    .hero-stat+.hero-stat{border-left:1px solid #d9d0fe;padding-left:25px}
    .stat-icon{display:grid;place-items:center;height:54px;width:54px;flex-shrink:0;border-radius:15px;background:#eadfff;color:#5b35d2}
    .stat-icon.gold{background:#fff1cf;color:#ae761c}
    .stat-icon svg{width:31px;height:31px;stroke-width:2.1}
    .stat-label{font-weight:750;font-size:15px;color:#313047;white-space:nowrap}
    .stat-value{font-weight:880;letter-spacing:-1.4px;font-size:34px;line-height:1.28;white-space:nowrap;font-variant-numeric:tabular-nums}
    .stat-value.profit{color:var(--green)}
    .stat-value.loss{color:var(--red)}
    .stat-value.purple{color:var(--purple)}
    .detail-title{margin:27px 0 14px;font-size:17px;font-weight:820;display:flex;align-items:center;gap:9px}
    .detail-title svg{width:20px;height:20px;color:var(--purple)}
    .detail-table{border:1px solid #e7e9f2;border-radius:11px;overflow:hidden;background:white}
    .detail-row{display:flex;justify-content:space-between;align-items:center;gap:15px;padding:10px 15px;min-height:43px;border-bottom:1px solid #edf0f5;font-size:14.5px}
    .detail-row:last-child{border-bottom:0}
    .detail-row span:first-child{color:#5b5e70}
    .detail-row strong{white-space:nowrap;color:#292d39;font-weight:790;font-variant-numeric:tabular-nums}
    .detail-row.muted{background:#fafaff}
    .detail-row.muted span:first-child{font-weight:740;color:#444055}
    .final-row{background:var(--greenbg);border-radius:11px;min-height:57px;margin-top:12px;padding:14px 17px;display:flex;justify-content:space-between;align-items:center;gap:12px;color:#176c46;font-weight:820;font-size:15px}
    .final-row.loss{background:var(--redbg);color:var(--red)}
    .final-row strong{font-size:21px;letter-spacing:-.7px;font-variant-numeric:tabular-nums;white-space:nowrap}
    .result-tools{display:flex;justify-content:space-between;align-items:center;margin-top:14px;gap:12px;flex-wrap:wrap;color:#898e9f;font-size:12px}
    .copy-link{border:none;background:transparent;color:var(--purple);font-weight:760;font-size:12px;padding:4px 0;display:flex;gap:5px;align-items:center}
    .copy-link svg{width:15px;height:15px}
    .below{margin-top:24px;display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px}
    .mini-card{background:white;border-radius:15px;border:1px solid #e8e9f2;padding:19px 22px;min-width:0;display:flex;align-items:center;gap:13px}
    .mini-icon{display:grid;place-items:center;height:42px;width:42px;border-radius:13px;background:#f1eeff;color:var(--purple);flex-shrink:0}
    .mini-icon svg{height:22px;width:22px}
    .mini-label{font-size:12px;color:var(--muted)}
    .mini-value{font-size:20px;font-weight:830;letter-spacing:-.5px;font-variant-numeric:tabular-nums;white-space:nowrap}
    .footnote{font-size:12.5px;color:#878a9b;margin-top:18px;line-height:1.8}
    .footnote strong{color:#626779}
    .site-footer{border-top:1px solid #eceef4;background:white}
    .footer-inner{max-width:1352px;margin:auto;padding:25px 30px;display:flex;align-items:center;justify-content:space-between;gap:14px;color:#8d8f9d;font-size:12px}
    .footer-brand{font-weight:820;color:#656476}
    .page{display:none}
    .page.active{display:block;animation:pop .2s ease-out}
    @keyframes pop{from{opacity:.4;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}
    .notice{border-radius:12px;background:#faf9ff;border:1px solid #ece7ff;padding:13px 16px;margin-top:16px;color:#77728a;font-size:13px}
    .choice-row{display:flex;gap:9px;margin-bottom:21px}
    .choice{background:#fff;border:1px solid #dfdfec;border-radius:10px;min-height:40px;padding:7px 17px;color:#5b5e70;font-size:14px;font-weight:700}
    .choice.active{background:var(--purple);color:white;border-color:var(--purple)}
    .loan-table-wrap{overflow-x:auto;margin-top:14px}
    .loan-table{border-collapse:collapse;width:100%;font-size:12.5px}
    .loan-table th,.loan-table td{padding:10px 9px;border-bottom:1px solid #e7e8f0;text-align:right;white-space:nowrap}
    .loan-table th{background:#f8f7ff;font-weight:800;color:#5d5683}
    .loan-table th:first-child,.loan-table td:first-child{text-align:left}
    .loan-table td{font-variant-numeric:tabular-nums}
    .loan-stage{display:inline-block;padding:2px 6px;margin-left:5px;border-radius:5px;font-size:10px;font-weight:800;background:#e7f5f0;color:#187451}
    .loan-stage.grace{background:#eee9ff;color:#5c37d5}
    .loan-error{border-color:#f5bcc9;background:#fff1f3;color:#ab253d}
    .loan-error[hidden]{display:none}
    .mobile-nav{display:none}
    @media(max-width:1250px){.header-inner{gap:14px;padding:0 24px}.brand{min-width:210px}.brand-name{font-size:26px}.nav-btn{padding:12px 12px;gap:7px;font-size:14px}.hero-description{margin-left:0}.stat-value{font-size:28px}.hero-stat{gap:9px}.hero-stat+.hero-stat{padding-left:15px}.result-hero{padding:20px 16px}}
    @media(max-width:1040px){.nav{display:none}.menu-toggle{display:inline-flex}.header{height:76px}.brand-mark{width:48px;height:48px}.brand-name{font-size:24px}.main{padding-top:34px}.hero{align-items:flex-start}.info-box{max-width:290px}.calculator-grid{grid-template-columns:1fr}.result-body{padding:25px 26px}.result-hero{padding:23px}.stat-value{font-size:34px}.mobile-nav{display:none;position:absolute;top:76px;right:20px;min-width:250px;padding:10px;background:white;border:1px solid #e4e5ef;border-radius:13px;box-shadow:0 18px 44px #22224222;z-index:30}.mobile-nav.open{display:grid;gap:3px}.mobile-nav .nav-btn{justify-content:flex-start}}
    @media(max-width:720px){.header-inner{padding:0 16px}.brand{gap:10px;min-width:0}.brand-mark{width:43px;height:43px;border-radius:12px}.brand-mark svg{width:27px;height:27px}.brand-name{font-size:22px}.brand-sub{font-size:10px}.search-toggle{display:none}.main{padding:26px 16px 50px}.hero{display:block;margin-bottom:25px}.hero-line{gap:12px}.hero-icon{height:51px;width:51px;flex-basis:51px;border-radius:14px}.hero-icon svg{width:29px;height:29px}h1{font-size:26px;letter-spacing:-1px}.hero-description{font-size:13.5px;margin:10px 0 17px}.info-box{max-width:none;padding:13px 16px}.info-title{font-size:14px}.info-text{font-size:12px}.card-header{min-height:65px;padding:17px 17px}.card-header h2{font-size:18px}.card-body,.result-body{padding:18px 16px}.field{grid-template-columns:1fr;gap:7px}.fields{gap:14px}.field-label{font-size:15px}.number-box{height:47px}.input-footer{margin-top:21px;padding-top:19px}.result-hero{grid-template-columns:1fr;gap:14px}.hero-stat+.hero-stat{border-left:0;border-top:1px solid #dfd9fa;padding:14px 0 0}.stat-value{font-size:32px}.detail-row{font-size:13.5px;padding:10px 11px}.final-row{font-size:13px;padding:12px}.final-row strong{font-size:19px}.below{grid-template-columns:1fr;gap:10px;margin-top:14px}.mini-card{padding:13px 16px}.footnote{font-size:12px}.footer-inner{display:block;padding:22px 16px}.footer-inner span{display:block;margin-bottom:4px}}
    @media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.page.active{animation:none}.btn{transition:none}}
  
/* Shared brand tokens and finance-specific responsive additions. */
:root { --body-font:17px; }
body{font-size:var(--body-font)} .brand-name small{font-size:.58em;color:var(--purple);letter-spacing:-.5px}
.brand-sub{font-size:13px}.brand{min-width:275px}.header-inner{gap:16px}
.info-text,.notice,.footnote{font-size:14px;color:#625e77}.hero-description{font-size:17px;color:#616579}
.field-label{font-size:17px}.detail-row{font-size:15px}.mini-label{font-size:14px}
.result-hero{grid-template-columns:1fr;gap:16px}.hero-stat+.hero-stat{border-left:0;border-top:1px solid #dfd9fa;padding:16px 0 0}.stat-value{font-size:32px;white-space:normal;overflow-wrap:anywhere}
.detail-row strong,.final-row strong{white-space:normal;text-align:right;overflow-wrap:anywhere;min-width:0}.detail-row span{min-width:0}
.stat-value.loss{color:var(--red)}.stat-value.gain{color:var(--green)}
.loan-table-wrap{max-height:380px;border:1px solid var(--line);border-radius:10px;overscroll-behavior:contain}
.loan-table th{position:sticky;top:0;z-index:1}.loan-table{font-size:13px}
.loan-table-wrap:focus-visible{outline:3px solid #a998ff}
[hidden]{display:none!important}.error-message{color:#a52038;background:#fff0f2;border:1px solid #f1bbca;padding:12px;border-radius:10px;font-size:14px;margin:0 0 18px}
input[aria-invalid=true]{color:var(--red)}.card.invalid .result-body{opacity:.5}
.copy-link{font-size:14px;min-height:44px}.disclaimer{max-width:1292px;margin:0 auto;padding:0 30px 28px;color:#656779;font-size:13px;line-height:1.8}
.skip-link{position:fixed;top:-100px;left:20px;z-index:100;background:white;padding:12px}.skip-link:focus{top:12px}
a:focus-visible,button:focus-visible{outline:3px solid #a998ff;outline-offset:4px}
.home-hero{text-align:center;padding:32px 0 44px}.home-hero .eyebrow{font-size:15px;letter-spacing:0}.home-hero h1{font-size:44px;letter-spacing:-2px}.home-hero p{color:var(--muted);margin:18px 0 28px;font-size:19px}
.searchbox{display:flex;gap:14px;align-items:center;margin:auto;max-width:660px;background:white;border:2px solid #c9bcf4;box-shadow:0 8px 30px #5c37d50a;padding:18px 22px;border-radius:16px;color:var(--purple)}
.searchbox input{border:0;background:none;min-width:0;width:100%;outline:none;font-size:17px}.searchbox:focus-within{outline:3px solid #e1d9fc}
.searchbox kbd{border:1px solid var(--line);padding:0 8px;color:#9193a0;border-radius:5px;font-size:14px}
.search-hints{display:flex;align-items:center;justify-content:center;gap:10px;font-size:13px;color:var(--muted);margin-top:16px}.search-hints button{border:0;color:#65558d;background:#efecf8;padding:5px 13px;border-radius:20px}
.favorites{display:grid;grid-template-columns:1.3fr repeat(3,1fr);gap:18px;align-items:center;background:#f0edfc;border:1px solid #e4def6;border-radius:18px;padding:24px 28px;margin:0 0 45px}
.favorites h2{font-size:19px;margin:3px 0 0}.favorites .eyebrow{font-size:10px}.favorites a{display:flex;justify-content:space-between;background:white;border:1px solid #e7e1f5;border-radius:12px;padding:18px;font-size:16px;font-weight:700}.favorites a span{color:var(--purple)}
h2{letter-spacing:-.6px}.section-heading{display:flex;justify-content:space-between;align-items:center}.section-heading h2{font-size:25px;margin:0}.section-heading p{font-size:15px;color:var(--muted);margin:7px 0 20px}
.available{font-size:13px;color:var(--muted)}.categories{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:8px}.categories button{font-size:15px;min-height:44px}.choice:disabled{background:#f2f2f6;color:#757585;cursor:default;border-style:dashed}
.search-count{font-size:13px;color:var(--muted);margin:14px 0}
.calculator-cards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.calculator-link{display:flex;flex-direction:column;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:18px;padding:25px;transition:transform .2s,border-color .2s;min-height:245px}
.calculator-link:hover{border-color:#aa94eb;transform:translateY(-3px)}.calculator-link .hero-icon{width:46px;height:46px;flex-basis:46px;border-radius:13px;margin-bottom:20px}.calculator-link .hero-icon svg{width:25px;height:25px}
.calculator-link h3{font-size:20px;margin:0 0 8px;letter-spacing:-.7px}.calculator-link p{font-size:14px;color:var(--muted);margin:0 0 23px;line-height:1.7}.calculator-link .card-action{margin-top:auto;font-size:14px;font-weight:750;color:var(--purple);display:flex;justify-content:space-between;width:100%}
.home-note{display:flex;align-items:center;gap:16px;padding:27px 0;margin-top:30px;border-top:1px solid var(--line);color:var(--muted)}.home-note strong{font-size:15px;color:#454356}.home-note p{font-size:13px;margin:4px 0 0}.home-note>span{margin-left:auto;font-size:14px}.empty-state{text-align:center;padding:40px}.mobile-break{display:none}
@media(max-width:1200px){.brand{min-width:250px}.nav-btn{font-size:13px;padding:12px 8px}.calculator-cards{grid-template-columns:repeat(2,minmax(0,1fr))}.favorites{gap:12px;padding:22px}.favorites a{padding:15px;font-size:14px}}
@media(max-width:720px){.brand{min-width:0}.brand-sub{font-size:11px}.home-hero{padding:14px 0 32px}.home-hero h1{font-size:30px;letter-spacing:-1.3px}.home-hero p{font-size:16px;line-height:1.8}.home-hero .eyebrow{font-size:13px}.searchbox{padding:15px 13px;gap:8px}.searchbox input{font-size:14px}.searchbox kbd{display:none}.favorites{grid-template-columns:1fr;gap:9px;padding:20px;margin-bottom:32px}.favorites>div{margin-bottom:9px}.favorites a{padding:14px 16px;font-size:15px}.section-heading h2{font-size:23px}.available{display:none}.calculator-cards{grid-template-columns:1fr}.calculator-link{min-height:0;padding:23px}.calculator-link p{font-size:15px;margin-bottom:18px}.calculator-link .hero-icon{margin-bottom:16px}.categories{gap:7px}.categories button{font-size:13px;padding:8px 12px}.home-note>span{display:none}.home-note{align-items:flex-start}.mobile-break{display:block}.hero-description{font-size:15px}.field-label{font-size:16px}.stat-value{font-size:28px}.detail-row{font-size:14px}.detail-row strong{max-width:55%}.disclaimer{padding:0 16px 24px}.loan-table{font-size:12px}.loan-table th,.loan-table td{padding:9px 7px}}

html{scroll-behavior:auto}.page.active{animation:none}.btn,.calculator-link{transition:none}.calculator-link:hover{transform:none}
.nav a[aria-current=page]{background:var(--purple);color:white}.breadcrumb{font-size:14px;color:#625e77;margin-bottom:24px}.breadcrumb a{color:var(--purple);padding:10px 0}
.guide{max-width:920px;margin:46px auto 0;padding:32px;background:white;border:1px solid var(--line);border-radius:18px;font-size:17px;line-height:1.9;color:#3e4053}
.guide h2{font-size:25px;color:var(--ink);margin:35px 0 14px;scroll-margin-top:115px}.guide h3{font-size:20px;color:var(--ink);margin:28px 0 10px}.guide p{margin:12px 0 18px}.guide a{color:var(--purple);text-decoration:underline;text-underline-offset:4px}.guide-nav{display:flex;flex-wrap:wrap;gap:14px;border-bottom:1px solid var(--line);padding-bottom:18px}.guide-nav a{padding:10px 0;min-height:44px}.formula{background:var(--purple-light);border-left:4px solid var(--purple);padding:20px;overflow-wrap:anywhere;font-size:16px}
.guide details{border-bottom:1px solid var(--line);padding:12px 0}.guide summary{font-weight:700;cursor:pointer;min-height:44px;padding:9px 0;color:var(--ink)}.guide details p{margin:10px 0 20px}.source{font-size:14px;color:#656779}.guide-table{border-collapse:collapse;width:100%;font-size:15px}.guide-table caption{text-align:left;margin-bottom:10px}.guide-table td,.guide-table th{padding:12px;border:1px solid var(--line);text-align:left}.guide-table th{background:var(--purple-light)}
.footer-links{display:flex;flex-wrap:wrap;gap:8px 22px}.footer-links a{min-height:44px;display:inline-flex;align-items:center;font-size:14px;color:#4a4563}.related{max-width:920px;margin:28px auto;display:flex;gap:18px;flex-wrap:wrap}.related h2{width:100%;font-size:20px}.related a{color:var(--purple);padding:12px;background:var(--purple-soft);border-radius:8px}
.draft-note{background:#fff6df;color:#73540a;border:1px solid #ecd9a8;padding:15px 20px;border-radius:12px;font-size:15px}.contact-status{padding:20px;background:var(--purple-light);overflow-wrap:anywhere}
#ad-area{max-width:920px;margin:64px auto 40px;padding:24px 0;border-top:1px solid var(--line);min-height:330px;color:var(--muted);font-size:12px;text-align:center}
:focus-visible{outline:3px solid #a998ff;outline-offset:3px}.card{scroll-margin-top:110px}.hint{font-size:13px;color:#626579}.search-hints button{min-height:44px}.hero-description{line-height:1.7}
@media(max-width:720px){.guide{padding:22px 18px;margin-top:30px;font-size:16px}.guide h2{font-size:22px}.guide h3{font-size:18px}.formula{font-size:14px;padding:15px}.guide-table{font-size:12px}.guide-table th,.guide-table td{padding:9px 5px}.footer-links{display:flex!important}.guide-nav{gap:12px}.breadcrumb{margin-bottom:20px}.related{gap:10px}}

/* Independent guide disclosure panels; native keyboard and expanded-state semantics. */
.guide > .guide-section{padding:0;border-bottom:1px solid var(--line)}
.guide > .guide-section > summary{display:flex;align-items:center;justify-content:space-between;gap:16px;list-style:none;padding:18px 0;min-height:56px}
.guide > .guide-section > summary::-webkit-details-marker{display:none}
.guide > .guide-section > summary h2{margin:0;font-size:23px;line-height:1.5}
.guide-arrow{flex:0 0 auto;color:var(--purple);font-size:15px}
.guide-arrow::after{content:"▼"}
.guide-section[open] > summary .guide-arrow::after{content:"▲"}
.guide-section-body{padding:0 0 18px}
@media(max-width:720px){.guide > .guide-section > summary h2{font-size:20px}}