
:root{--ink:#173247;--teal:#087e80;--teal2:#0a646d;--bg:#f4f8fa;--line:#d9e6ea;--muted:#5d7481;--gold:#d8a65b}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:system-ui,-apple-system,"Noto Sans JP",sans-serif;line-height:1.75}a{color:#087376}a:hover{text-decoration:underline}.wrap{max-width:1120px;margin:auto;padding:0 20px}.top{background:#fff;border-bottom:1px solid var(--line)}.topinner{display:flex;align-items:center;justify-content:space-between;gap:15px;min-height:78px}.brand{font-size:27px;font-weight:900;letter-spacing:-1px;color:var(--ink);text-decoration:none;line-height:1.15}.brand span{color:var(--teal)}.brand small{font-size:11px;display:block;color:var(--muted);letter-spacing:1.5px;margin-top:5px}.topnav{display:flex;gap:15px;flex-wrap:wrap;font-size:13px;font-weight:700}.hero{background:linear-gradient(115deg,#142f44,#14546a 57%,#0e867d);color:white;overflow:hidden}.hero .wrap{padding-top:65px;padding-bottom:70px;position:relative}.hero .wrap:after{content:'FX';position:absolute;right:-14px;top:-90px;font-size:300px;font-weight:900;opacity:.045;pointer-events:none}.eyebrow{font-size:12px;letter-spacing:3px;font-weight:800;color:#9dede6}.hero h1{font-size:clamp(30px,5vw,51px);line-height:1.4;margin:14px 0}.hero p{max-width:690px;color:#e0f4f2}.herochips{display:flex;gap:8px;flex-wrap:wrap;margin-top:22px}.herochips span{padding:6px 12px;background:#ffffff1e;border:1px solid #ffffff28;border-radius:30px;font-size:12px}.section{padding:50px 0 15px}.section h2{font-size:clamp(23px,3vw,30px);margin:0 0 9px}.lead{color:var(--muted);font-size:14px;margin:0 0 22px}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:17px}.card{background:white;border:1px solid var(--line);border-radius:17px;padding:22px;box-shadow:0 8px 30px #163b4809}.card h3{font-size:21px;margin:0 0 8px}.chip{display:inline-block;border:1px solid #c8e4e0;background:#f0f9f7;border-radius:20px;padding:3px 10px;color:#247573;font-size:11px;font-weight:750;margin-right:5px}.small{font-size:13px;color:var(--muted)}.value{font-size:24px;font-weight:900;color:var(--teal)}.btn{display:inline-flex;align-items:center;justify-content:center;padding:11px 19px;border-radius:10px;background:var(--teal);color:#fff!important;font-size:14px;font-weight:800;text-decoration:none;border:0;cursor:pointer}.btn:hover{background:var(--teal2);text-decoration:none}.outline{background:white;color:var(--teal)!important;border:1px solid var(--teal)}.cta{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}.note{padding:15px 18px;border-left:4px solid var(--teal);background:#edf7f7;border-radius:9px;font-size:13px;color:#425e68;margin:17px 0}.warn{border-left-color:#c38b4b;background:#fff8eb}.tabs{display:flex;flex-wrap:wrap;gap:8px;margin:17px 0 20px}.tab{padding:9px 16px;border:1px solid #c6dbdf;border-radius:24px;background:white;font:inherit;font-size:13px;cursor:pointer;color:var(--ink)}.tab.active{background:var(--teal);color:white}.tablebox{overflow-x:auto;background:white;border:1px solid var(--line);border-radius:14px}table{width:100%;border-collapse:collapse;min-width:650px}th,td{text-align:left;padding:15px;border-bottom:1px solid var(--line);font-size:13px}th{background:#e9f4f3}tr:last-child td{border-bottom:0}ol{padding-left:23px}li{margin:7px 0}.faq details{background:#fff;padding:16px 20px;border:1px solid var(--line);border-radius:12px;margin-bottom:10px}.faq summary{cursor:pointer;font-weight:800}.footer{margin-top:65px;padding:36px 0;background:#152f42;color:#d8e7eb;font-size:12px}.footer a{color:#b2e5e0}.footer nav{display:flex;gap:16px;flex-wrap:wrap}.footer .risk{border-top:1px solid #3e5865;margin-top:22px;padding-top:18px}.pagehero{background:#173e51;color:#fff;padding:35px 0}.pagehero h1{margin:6px 0;font-size:32px}.article{background:#fff;border:1px solid var(--line);padding:26px;border-radius:15px;margin:30px 0}.article h2{margin-top:30px}.article h2:first-child{margin-top:0}.meta{font-size:12px;color:var(--muted)}.filter-result{font-size:13px;color:var(--muted);margin:0 0 13px}.card[hidden]{display:none!important}input,select{font:inherit}.calc{display:flex;gap:12px;flex-wrap:wrap;align-items:end}.calc label{font-size:13px;font-weight:700;display:grid;gap:5px}.calc input,.calc select{min-height:44px;padding:9px;border:1px solid #b9d1d5;border-radius:8px;width:190px}.calc-result{font-size:25px;font-weight:900;color:var(--teal);margin-top:14px}@media(max-width:650px){.topinner{align-items:flex-start;padding-top:17px;padding-bottom:16px;flex-direction:column}.topnav{gap:12px}.grid{grid-template-columns:1fr}.hero .wrap{padding-top:40px;padding-bottom:43px}.hero h1{font-size:31px}.card{padding:18px}.section{padding-top:34px}.article{padding:20px}}
