@import "https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/variable/pretendardvariable-dynamic-subset.css";@import "https://fonts.googleapis.com/css2?family=Playfair+Display:wght@600;700;800&display=swap";:root{--primary:#c9a961;--primary-dark:#b08d4b;--primary-light:#e6d5a8;--accent:#d4af37;--accent-warm:#a4780a;--bg:#fff;--bg-alt:#f8f9fa;--bg-card:#fff;--text:#212529;--text-muted:#6c757d;--border:#e9ecef;--shadow:0 4px 20px #1a1a2e14;--shadow-lg:0 12px 40px #1a1a2e29;--radius:14px;--max-width:1180px;--font-heading:"Playfair Display", "Pretendard Variable", serif;color-scheme:light}:root[data-theme=dark]{--accent-warm:gold;--bg:#1a1a2e;--bg-alt:#20203a;--bg-card:#24243f;--text:#f8f9fa;--text-muted:#a7a2bd;--border:#34304f;--shadow:0 4px 20px #00000059;--shadow-lg:0 16px 48px #00000080;color-scheme:dark}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;margin:0;font-family:Pretendard Variable,Pretendard,-apple-system,BlinkMacSystemFont,Inter,system-ui,sans-serif;line-height:1.65;transition:background-color .2s,color .2s}img{max-width:100%;display:block}.container{max-width:var(--max-width);margin:0 auto;padding:0 20px}a{color:inherit}h1,h2,h3,h4{font-family:var(--font-heading);letter-spacing:-.01em;margin:0 0 .5em;line-height:1.25}p{color:var(--text-muted);margin:0 0 1em}.btn{cursor:pointer;border:1px solid #0000;border-radius:999px;align-items:center;gap:8px;padding:12px 22px;font-size:.95rem;font-weight:600;text-decoration:none;transition:transform .15s,box-shadow .15s,background .15s;display:inline-flex}.btn:hover{transform:translateY(-2px)}.btn-primary{background:linear-gradient(135deg, var(--primary), var(--accent));color:#fff;box-shadow:var(--shadow)}.btn-outline{border-color:var(--border);color:var(--text);background:0 0}.site-header{z-index:100;background:color-mix(in srgb, var(--bg) 88%, transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--border);position:sticky;top:0}.nav-row{justify-content:space-between;align-items:center;gap:24px;height:68px;display:flex}.brand{font-family:var(--font-heading);letter-spacing:-.01em;color:var(--text);align-items:baseline;font-size:1.5rem;font-weight:700;text-decoration:none;display:inline-flex}.brand-play{color:var(--text)}.brand-info{color:var(--primary)}.brand-box{color:var(--accent-warm)}.nav-menu{color:var(--text-muted);gap:28px;margin:0;padding:0;font-size:1.08rem;font-weight:500;list-style:none;display:flex}.nav-menu a{text-decoration:none}.nav-menu a:hover{color:var(--primary)}.nav-actions{align-items:center;gap:10px;margin-left:auto;display:flex}.icon-btn{border:1px solid var(--border);background:var(--bg-card);width:38px;height:38px;color:var(--text);cursor:pointer;border-radius:10px;place-items:center;display:grid}.hamburger{display:none}@media (width<=860px){.nav-menu{display:none}.hamburger{display:grid}}.hero{background:radial-gradient(1200px 500px at 15% -10%, color-mix(in srgb, var(--primary) 14%, transparent), transparent), radial-gradient(900px 400px at 100% 0%, color-mix(in srgb, var(--accent) 12%, transparent), transparent);padding:72px 0 56px}.hero-eyebrow{background:color-mix(in srgb, var(--primary) 12%, transparent);color:var(--primary);border-radius:999px;margin-bottom:18px;padding:6px 14px;font-size:.8rem;font-weight:700;display:inline-block}.hero h1{max-width:20ch;font-size:clamp(2rem,4.2vw,3.2rem)}.hero p.lead{max-width:56ch;font-size:1.1rem}.search-box{gap:10px;max-width:560px;margin:28px 0 8px;display:flex}.search-box input{border:1px solid var(--border);background:var(--bg-card);color:var(--text);border-radius:999px;flex:1;padding:14px 18px;font-size:1rem}.search-box input:focus{outline:2px solid var(--primary)}.section{padding:64px 0}.section-head{text-align:center;max-width:640px;margin:0 auto 40px}.section-label{color:var(--primary);text-transform:uppercase;letter-spacing:.06em;margin-bottom:10px;font-size:.85rem;font-weight:700;display:inline-block}.section-title{font-size:clamp(1.6rem,3vw,2.2rem)}.grid{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px;display:grid}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px;transition:transform .15s,box-shadow .15s}.card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}.tool-card{color:var(--text);flex-direction:column;gap:10px;text-decoration:none;display:flex}.tool-icon{background:color-mix(in srgb, var(--primary) 12%, transparent);width:46px;height:46px;color:var(--primary);border-radius:12px;place-items:center;font-size:1.3rem;display:grid}.tool-card h3{margin-bottom:2px;font-size:1.05rem}.tool-card p{margin:0;font-size:.92rem}.tool-card .tag{color:var(--text-muted);margin-top:auto;font-size:.78rem}.category-pill{background:var(--bg-alt);border:1px solid var(--border);color:var(--text-muted);border-radius:999px;align-items:center;padding:6px 14px;font-size:.85rem;font-weight:600;text-decoration:none;display:inline-flex}.tool-hero{padding:40px 0 8px}.breadcrumb{color:var(--text-muted);margin-bottom:14px;font-size:.85rem}.breadcrumb a{text-decoration:none}.breadcrumb a:hover{color:var(--primary)}.tool-app{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);margin:24px 0 48px;padding:28px}.field-row{flex-wrap:wrap;gap:16px;margin-bottom:16px;display:flex}.field{flex-direction:column;flex:1;gap:6px;min-width:160px;display:flex}.field label{color:var(--text-muted);font-size:.85rem;font-weight:600}.field input,.field select,.field textarea{border:1px solid var(--border);background:var(--bg);color:var(--text);border-radius:10px;padding:12px 14px;font-family:inherit;font-size:1rem}.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid var(--primary)}.result-box{background:color-mix(in srgb, var(--primary) 6%, var(--bg-alt));border:1px dashed color-mix(in srgb, var(--primary) 35%, var(--border));border-radius:12px;margin-top:20px;padding:20px}.result-box .big{color:var(--primary);font-size:1.9rem;font-weight:800}.result-box .sub{color:var(--text-muted);font-size:.9rem}.stat-row{flex-wrap:wrap;gap:12px;display:flex}.stat-chip{background:var(--bg-alt);border:1px solid var(--border);border-radius:10px;padding:10px 14px;font-size:.88rem}.stat-chip b{color:var(--text)}.prose{max-width:72ch}.prose h2{margin-top:2em;font-size:1.4rem}.prose h3{margin-top:1.4em;font-size:1.15rem}.prose ul,.prose ol{color:var(--text-muted);padding-left:1.2em}.prose li{margin-bottom:.4em}.faq-item{border-bottom:1px solid var(--border);padding:18px 0}.faq-item summary{cursor:pointer;font-weight:700}.faq-item p{margin-top:10px}.ad-slot{text-align:center;min-height:0;margin:32px 0}.site-footer{border-top:1px solid var(--border);background:var(--bg-alt);margin-top:40px;padding:48px 0 24px}.footer-grid{grid-template-columns:1.4fr repeat(3,1fr);gap:32px;display:grid}.footer-col h4{margin-bottom:14px;font-size:.9rem}.footer-col ul{flex-direction:column;gap:10px;margin:0;padding:0;list-style:none;display:flex}.footer-col a{color:var(--text-muted);font-size:.92rem;text-decoration:none}.footer-col a:hover{color:var(--primary)}.footer-bottom{border-top:1px solid var(--border);color:var(--text-muted);flex-wrap:wrap;justify-content:space-between;gap:10px;margin-top:36px;padding-top:20px;font-size:.85rem;display:flex}@media (width<=720px){.footer-grid{grid-template-columns:1fr 1fr}}.calc-shell{max-width:460px;margin:0 auto}.calc-toprow{justify-content:space-between;align-items:center;min-height:1.4em;margin-bottom:10px;display:flex}.calc-history{color:var(--text-muted);word-break:break-all;font-size:.85rem}.calc-mode-btn{border:1px solid var(--border);background:var(--bg-alt);color:var(--primary);cursor:pointer;border-radius:999px;flex-shrink:0;margin-left:12px;padding:6px 14px;font-size:.8rem;font-weight:700}.calc-display{box-sizing:border-box;text-align:right;border:1px solid var(--border);background:var(--bg);width:100%;color:var(--text);border-radius:12px;margin-bottom:14px;padding:16px;font-family:SFMono-Regular,Consolas,monospace;font-size:1.6rem}.calc-display:focus{outline:2px solid var(--primary)}.calc-grid{grid-template-columns:repeat(5,1fr);gap:8px;margin-bottom:10px;display:grid}.calc-grid.numeric{grid-template-columns:repeat(4,1fr)}.calc-btn{border:1px solid var(--border);background:var(--bg-card);color:var(--text);cursor:pointer;border-radius:10px;padding:14px 0;font-size:.95rem;font-weight:600;transition:transform .1s}.calc-btn:hover{transform:translateY(-2px)}.calc-btn.op{background:color-mix(in srgb, var(--primary) 10%, var(--bg-card));color:var(--primary)}.calc-btn.danger{color:#e0475a}.calc-btn.eq{background:linear-gradient(135deg, var(--primary), var(--accent));color:#fff;grid-column:span 4}.btn-copy{border:1px solid var(--border);background:var(--bg);color:var(--text);cursor:pointer;border-radius:8px;padding:8px 14px;font-size:.85rem;font-weight:600}