:root{--bg:#ecfeff;--card:#fff;--ink:#102a2a;--muted:#64748b;--main:#0f766e;--main2:#134e4a;--soft:#ccfbf1;--line:#d5f5ef;--warn:#b45309;--bad:#b91c1c;--ok:#166534;--shadow:0 16px 45px rgba(15,118,110,.1)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Noto Sans JP","Segoe UI",sans-serif;background:linear-gradient(180deg,var(--bg),#fff 60%);color:var(--ink);-webkit-font-smoothing:antialiased}.app{max-width:560px;margin:0 auto;padding:calc(14px + env(safe-area-inset-top)) 14px 34px}.topbar{position:sticky;top:0;z-index:5;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 0;background:linear-gradient(180deg,var(--bg),rgba(236,254,255,.92));backdrop-filter:blur(8px)}.brand{display:flex;align-items:center;gap:8px;font-weight:900;font-size:14px}.logo{display:grid;place-items:center;width:30px;height:30px;border-radius:10px;background:var(--main);color:#fff}#lang{width:auto;margin:0;padding:8px 10px;border-radius:12px;font-size:13px}.hero{padding:18px 4px 10px}.pill{display:inline-block;background:var(--soft);color:#115e59;border-radius:999px;padding:7px 12px;font-size:12px;font-weight:800}.hero h1{font-size:31px;line-height:1.12;margin:16px 0 10px;letter-spacing:-.03em}.hero p{color:var(--muted);line-height:1.68;margin:0}.card{background:rgba(255,255,255,.96);border:1px solid var(--line);border-radius:24px;padding:18px;margin-top:14px;box-shadow:var(--shadow)}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.steps span{border-radius:999px;background:#f1f5f9;color:#64748b;text-align:center;padding:9px 5px;font-size:12px;font-weight:800}.steps .active{background:var(--main);color:#fff}label{display:block;font-weight:800;font-size:13px;margin:12px 0;color:#134e4a}input,select,textarea{width:100%;margin-top:7px;border:1px solid #cbd5e1;border-radius:14px;padding:13px;font-size:16px;background:#fff;color:var(--ink);outline:none}input:focus,select:focus,textarea:focus{border-color:var(--main);box-shadow:0 0 0 3px rgba(15,118,110,.12)}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:10px}.checkline{display:flex;gap:9px;align-items:center;margin-top:12px}.checkline input{width:18px;height:18px;margin:0}.advanced summary{cursor:pointer;font-weight:900;color:var(--main2);margin-top:12px}.fx-row{display:grid;grid-template-columns:repeat(5,1fr);gap:6px}.fx-row label{margin:0;font-size:11px;color:#64748b}.fx-row input{padding:9px 6px;font-size:13px;border-radius:11px}button{width:100%;border:0;border-radius:16px;background:var(--main);color:#fff;font-weight:900;font-size:17px;padding:15px;margin-top:16px;box-shadow:0 12px 28px rgba(15,118,110,.22);cursor:pointer}button:active{transform:translateY(1px)}button.secondary{background:var(--main2)}button.ghost{margin:0;background:#f8fafc;color:var(--main2);box-shadow:none;border:1px solid #cbd5e1;font-size:14px;padding:11px}.linkbtn{width:auto;margin:0;padding:7px 10px;background:#f1f5f9;color:#475569;box-shadow:none;border-radius:999px;font-size:12px}.hidden{display:none!important}.result-card h2,.premium h2,.history-card h2{margin:0 0 12px;font-size:20px}.summary{display:grid;grid-template-columns:1fr 1fr;gap:10px}.metric{background:#f8fafc;border-radius:18px;padding:12px;min-height:82px}.metric span{font-size:12px;color:var(--muted)}.metric strong{display:block;font-size:24px;margin-top:4px;letter-spacing:-.03em}.metric.main{background:#f0fdfa;border:1px solid #99f6e4}.risk{padding:13px;border-radius:18px;margin:12px 0;font-weight:900;line-height:1.4}.risk.ok{background:#dcfce7;color:var(--ok)}.risk.warn{background:#fef3c7;color:var(--warn)}.risk.bad{background:#fee2e2;color:var(--bad)}.tips{display:grid;gap:8px;margin-top:12px}.tip{padding:11px 12px;border-radius:16px;background:#f8fafc;color:#334155;font-size:13px;line-height:1.5}.tip strong{color:var(--main2)}ul{padding-left:19px;line-height:1.58;color:#334155}.premium-head{display:flex;gap:10px;justify-content:space-between}.premium p{color:#64748b;line-height:1.6;margin:0}.badge{align-self:flex-start;border-radius:999px;background:#fef3c7;color:#92400e;padding:5px 9px;font-size:12px;font-weight:900}.tools{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:10px 0}.history-head{display:flex;align-items:center;justify-content:space-between}.history-item{display:flex;justify-content:space-between;gap:12px;border-top:1px solid #e2e8f0;padding:11px 0;font-size:13px}.history-item:first-child{border-top:0}.history-item b{display:block}.history-item span{color:#64748b}.empty{font-size:13px;color:#94a3b8;padding:10px 0}.notice{font-size:12px;line-height:1.6;color:#475569;margin:16px 4px}.source{margin-top:8px;color:#94a3b8}textarea{height:240px;line-height:1.55;font-size:14px}@media(max-width:380px){.hero h1{font-size:27px}.grid2,.summary{grid-template-columns:1fr}.fx-row{grid-template-columns:repeat(3,1fr)}}@media print{body{background:#fff}.topbar,.hero,.step-card,.form-card,.premium button,.tools,.history-card,.notice{display:none}.card{box-shadow:none;border:0}.premium textarea{display:block!important;height:auto;border:0}}