:root{--bg: #0b1020;--bg-soft: #121a30;--panel: #161f38;--panel-2: #1d2742;--border: #28344f;--text: #e9eef7;--muted: #9aa7c2;--brand: #4f8cff;--brand-2: #6ce0c2;--danger: #ff6b6b;--debit: #ff8a8a;--credit: #76e0b5;--radius: 14px;--shadow: 0 10px 30px rgba(0, 0, 0, .35);--maxw: 1100px;font-synthesis:none}*{box-sizing:border-box}html,body{margin:0;padding:0}body{background:radial-gradient(1200px 600px at 70% -10%,rgba(79,140,255,.12) 0,transparent 60%),var(--bg);background-color:var(--bg);color:var(--text);font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,Noto Sans JP,Noto Sans SC,sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased}.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.app{max-width:var(--maxw);margin:0 auto;padding:0 20px 80px}.site-header{display:flex;align-items:center;gap:16px;padding:18px 0;position:sticky;top:0;background:linear-gradient(var(--bg),rgba(11,16,32,.7));-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:10;border-bottom:1px solid var(--border)}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--text);font-weight:700;letter-spacing:-.02em}.brand-mark{display:grid;place-items:center;width:32px;height:32px;border-radius:9px;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#06121f;font-weight:900}.nav{display:flex;gap:18px;margin-left:auto;align-items:center}.nav a{color:var(--muted);text-decoration:none;font-weight:500}.nav a:hover{color:var(--text)}.nav-cta{color:var(--text)!important;border:1px solid var(--border);padding:7px 14px;border-radius:10px}.locale-switcher select,.convert-controls select{background:var(--panel);color:var(--text);border:1px solid var(--border);border-radius:10px;padding:8px 10px;font:inherit}.account-chip{display:flex;flex-wrap:wrap;gap:16px;margin-top:14px;padding:10px 14px;background:var(--panel);border:1px solid var(--border);border-radius:12px;color:var(--muted);font-size:.9rem}.account-chip strong{color:var(--text)}.hero{padding:64px 0 32px;text-align:center}.eyebrow{text-transform:uppercase;letter-spacing:.18em;font-size:.78rem;color:var(--brand-2);margin:0 0 12px}.hero h1{font-size:clamp(2rem,5vw,3.2rem);line-height:1.1;letter-spacing:-.03em;margin:0 auto 18px;max-width:900px}.lede{font-size:1.15rem;color:var(--muted);max-width:720px;margin:0 auto 28px}.hero-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}.trust{margin-top:18px;color:var(--muted);font-size:.9rem}.btn{display:inline-block;padding:12px 22px;border-radius:12px;text-decoration:none;border:1px solid transparent;cursor:pointer;font:inherit;font-weight:600;transition:transform .05s ease,filter .15s ease}.btn:active{transform:translateY(1px)}.btn-primary{background:linear-gradient(135deg,var(--brand),#3a78f0);color:#fff}.btn-primary:hover{filter:brightness(1.08)}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.btn-ghost{color:var(--text);border-color:var(--border);background:transparent}.btn-outline{color:var(--text);border-color:var(--border);background:var(--panel-2)}.features{padding:32px 0}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.feature-card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:22px}.feature-card h3{margin:8px 0;font-size:1.1rem}.feature-card p{color:var(--muted);margin:0}.feature-icon{font-size:1.5rem}.how{padding:24px 0 8px;text-align:center}.how h2{letter-spacing:-.02em}.how-steps{list-style:none;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:14px;max-width:900px;margin:14px auto 0}.how-steps li{background:var(--panel-2);border:1px solid var(--border);border-radius:12px;padding:16px;color:var(--muted)}.converter{margin-top:40px;background:var(--bg-soft);border:1px solid var(--border);border-radius:18px;padding:28px;box-shadow:var(--shadow)}.converter h2{margin-top:0}.dropzone{border:2px dashed var(--border);border-radius:14px;padding:36px;text-align:center;cursor:pointer;transition:border-color .15s ease,background .15s ease;background:var(--panel)}.dropzone.dragging,.dropzone:hover{border-color:var(--brand);background:var(--panel-2)}.dropzone.has-file{border-style:solid;border-color:var(--brand-2)}.dropzone-icon{font-size:2rem}.dropzone-label{font-weight:600;margin:8px 0 4px;word-break:break-all}.dropzone-hint{color:var(--muted);font-size:.88rem;margin:0}.convert-controls{display:flex;gap:16px;align-items:end;flex-wrap:wrap;margin-top:18px}.convert-controls label{display:flex;flex-direction:column;gap:6px;font-size:.85rem;color:var(--muted)}.convert-error{margin-top:14px;color:var(--danger);background:#ff6b6b14;border:1px solid rgba(255,107,107,.3);padding:10px 14px;border-radius:10px}.results{margin-top:24px}.summary-strip{display:flex;flex-wrap:wrap;gap:18px;padding:12px 14px;background:var(--panel-2);border:1px solid var(--border);border-radius:12px;margin-bottom:16px;color:var(--muted)}.summary-strip strong{color:var(--text)}.table-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:12px}table{width:100%;border-collapse:collapse;font-size:.92rem}th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--border)}thead th{background:var(--panel);position:sticky;top:0}td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}td.debit{color:var(--debit)}td.credit{color:var(--credit)}tbody tr:hover{background:#4f8cff0f}.pricing{margin-top:56px}.pricing-sub{color:var(--muted);max-width:640px}.pricing-section-title{margin-top:28px}.pricing-explainer{color:var(--muted);margin-top:-6px}.plan-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.plan-card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:22px;display:flex;flex-direction:column}.plan-card.featured{border-color:var(--brand);box-shadow:0 0 0 1px var(--brand) inset}.plan-card h4{margin:0 0 6px}.plan-price{font-size:1.9rem;font-weight:800;margin:4px 0 12px}.plan-price .per{font-size:.9rem;font-weight:500;color:var(--muted)}.plan-feats{list-style:none;padding:0;margin:0 0 16px;color:var(--muted);flex:1}.plan-feats li{padding:4px 0}.pack-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.pack-card{background:var(--panel-2);border:1px solid var(--border);border-radius:var(--radius);padding:22px;text-align:center}.pack-card h4{font-size:1.8rem;margin:0}.pack-price{font-size:1.3rem;font-weight:700;margin:6px 0 2px}.pack-unit{color:var(--muted);font-size:.85rem;margin:0 0 14px}.site-footer{margin-top:60px;padding-top:24px;border-top:1px solid var(--border);text-align:center;color:var(--muted)}.muted{color:var(--muted);font-size:.85rem}@media (max-width: 860px){.feature-grid,.how-steps,.plan-grid,.pack-grid{grid-template-columns:1fr}.nav{gap:12px}}