:root{
  --bg:#f6f3ee;--paper:#fffdf9;--paper2:#f0ebe3;--text:#292723;--muted:#716d66;
  --line:#ded8cf;--accent:#c96a2d;--accent-dark:#9d4d1d;--accent-soft:#f7e5d7;
  --dark:#2d2925;--shadow:0 14px 38px rgba(55,43,30,.08);--max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,system-ui,-apple-system,"Segoe UI",Arial,sans-serif}
a{color:inherit;text-decoration:none} button,input,select{font:inherit}
.wrap{width:min(var(--max),calc(100% - 40px));margin:auto}
.header{position:sticky;top:0;z-index:50;background:rgba(246,243,238,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.header-in{height:70px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.logo{font-size:27px;font-weight:900;letter-spacing:-1.2px}.logo b{color:var(--accent)}
.nav{display:flex;gap:20px;color:var(--muted);font-size:14px}.nav a:hover{color:var(--text)}
.hero{padding:74px 0 42px;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.kicker{font-size:12px;font-weight:900;letter-spacing:.14em;color:var(--accent-dark);text-transform:uppercase}
.hero h1{font-family:Georgia,serif;font-size:clamp(44px,6vw,76px);line-height:.98;letter-spacing:-3px;margin:12px 0 18px;font-weight:700}
.hero p{font-size:18px;line-height:1.65;color:var(--muted);max-width:650px}
.hero-note{display:flex;gap:9px;align-items:center;margin-top:24px;color:var(--muted);font-size:13px}
.dot{width:8px;height:8px;border-radius:50%;background:var(--accent)}
.hero-card{background:var(--paper);border:1px solid var(--line);border-radius:26px;padding:26px;box-shadow:var(--shadow)}
.hero-card h2{margin:0 0 7px;font-size:24px}.hero-card>p{margin:0 0 20px;font-size:14px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:13px}
.field{display:flex;flex-direction:column;gap:7px}.field.full{grid-column:1/-1}
label{font-size:13px;font-weight:800}
input,select{width:100%;min-height:48px;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--text);padding:0 13px;outline:none}
input:focus,select:focus{border-color:#b76a39;box-shadow:0 0 0 3px rgba(201,106,45,.12)}
.btn{min-height:49px;border:0;border-radius:12px;padding:0 18px;background:var(--accent);color:#fff;font-weight:900;cursor:pointer}
.btn:hover{background:var(--accent-dark)}
.result{display:none;margin-top:18px;padding:18px;border-radius:16px;background:var(--dark);color:#fff}
.result.show{display:block}.result .big{font-size:35px;font-weight:900;letter-spacing:-1px;margin:3px 0 10px}
.result-row{display:flex;justify-content:space-between;gap:12px;padding:7px 0;border-top:1px solid rgba(255,255,255,.12);font-size:13px}
.result small{color:#d5cec6;line-height:1.5;display:block;margin-top:8px}
.error{display:none;margin-top:12px;padding:12px;border-radius:10px;background:#fff0eb;color:#8c331e;font-size:13px}.error.show{display:block}
.section{padding:42px 0 68px}.section-title{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:22px}
.section-title h2{font-family:Georgia,serif;font-size:38px;margin:0;letter-spacing:-1px}.section-title p{margin:5px 0 0;color:var(--muted)}
.tools{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}
.tool{background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:21px;transition:.18s transform,.18s border-color;cursor:pointer}
.tool:hover{transform:translateY(-2px);border-color:#c5b8a9}.tool-icon{font-size:23px;margin-bottom:13px}
.tool h3{margin:0 0 7px;font-size:18px}.tool p{margin:0;color:var(--muted);font-size:13px;line-height:1.55}
.calc-panel{display:none;margin-top:18px;background:var(--paper);border:1px solid var(--line);border-radius:22px;padding:24px}
.calc-panel.active{display:block}.calc-panel h3{font-size:25px;margin:0 0 6px}.calc-panel>p{color:var(--muted);margin:0 0 20px}
.simple-result{margin-top:16px;padding:17px;border-radius:14px;background:var(--paper2);font-weight:800;line-height:1.6}
.factbar{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:18px}
.fact{padding:18px;border:1px solid var(--line);border-radius:16px;background:rgba(255,253,249,.55)}
.fact strong{font-size:21px;display:block}.fact span{font-size:12px;color:var(--muted)}
.content{display:grid;grid-template-columns:1.1fr .9fr;gap:30px}
.article{background:var(--paper);border:1px solid var(--line);border-radius:22px;padding:28px}
.article h2,.article h3{font-family:Georgia,serif}.article h2{font-size:32px;margin-top:0}.article p,.article li{color:var(--muted);line-height:1.7}
.notice{background:var(--accent-soft);border-left:4px solid var(--accent);padding:15px 17px;border-radius:10px;line-height:1.55;font-size:13px}
.faq details{border-top:1px solid var(--line);padding:16px 0}.faq summary{font-weight:850;cursor:pointer}.faq p{margin-bottom:0}
.ad-slot{display:none}
.footer{border-top:1px solid var(--line);padding:30px 0 42px;color:var(--muted);font-size:13px}.footer-in{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
@media(max-width:900px){.hero,.content{grid-template-columns:1fr}.hero{padding-top:50px}.tools{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.wrap{width:min(100% - 28px,var(--max))}.nav{display:none}.hero h1{font-size:48px;letter-spacing:-2px}.form-grid,.tools,.factbar{grid-template-columns:1fr}.field.full{grid-column:auto}.hero-card,.article,.calc-panel{padding:19px}.section-title{align-items:flex-start;flex-direction:column}.section-title h2{font-size:32px}}