*{box-sizing:border-box;margin:0;padding:0}
body{background:#f0f4f8;color:#0d1f2d;font:16px/1.7 'Segoe UI',Arial,sans-serif}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}

.topbar{background:#0a1f35;color:#fff;padding:8px 5%;font-size:13px;display:flex;justify-content:flex-end;gap:24px}
.topbar a{color:#ffd166;font-weight:600}
header{background:#fff;border-bottom:3px solid #ffd166;padding:0 5%;display:flex;justify-content:space-between;align-items:center;position:sticky;top:0;z-index:100;box-shadow:0 2px 8px rgba(0,0,0,.1)}
.brand{padding:14px 0;display:flex;flex-direction:column}
.brand-name{font-size:22px;font-weight:900;letter-spacing:1px;color:#0a1f35;line-height:1}
.brand-tag{font-size:9px;letter-spacing:2px;color:#ffd166;background:#0a1f35;padding:2px 6px;margin-top:3px;display:inline-block}
nav{display:flex;flex-wrap:wrap;gap:4px}
nav a{padding:8px 12px;font-size:13px;font-weight:600;border-radius:4px;transition:background .2s}
nav a:hover{background:#ffd166;color:#0a1f35}

main{max-width:1200px;margin:0 auto;padding:48px 5%}
section{margin-bottom:56px}

.section-label{font-size:11px;font-weight:700;letter-spacing:3px;color:#ffd166;background:#0a1f35;display:inline-block;padding:4px 12px;margin-bottom:14px}
h1{font-size:clamp(30px,5vw,52px);font-weight:900;color:#0a1f35;line-height:1.1;margin-bottom:16px}
h2{font-size:clamp(22px,4vw,32px);font-weight:900;color:#0a1f35;line-height:1.15;margin-bottom:12px}
h3{font-size:17px;font-weight:800;color:#0a1f35;margin-bottom:8px;line-height:1.3}
p{color:#4a6278;max-width:760px}
ul{padding-left:1.4em;max-width:760px}
li{margin-bottom:6px;color:#4a6278}

.btn,.button{display:inline-block;padding:13px 24px;border-radius:6px;font-weight:700;font-size:15px;transition:all .2s}
.btn-primary,.button{background:#ffd166;color:#0a1f35}
.btn-primary:hover,.button:hover{background:#ffbc00}
.btn-sm{display:inline-block;background:#ffd166;color:#0a1f35;padding:9px 16px;border-radius:5px;font-weight:700;font-size:13px;transition:background .2s}
.btn-sm:hover{background:#ffbc00}

.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:#fff;border-radius:10px;padding:28px;box-shadow:0 2px 10px rgba(0,0,0,.06)}
.card-border{border-left:4px solid #ffd166}
.num{font-size:36px;font-weight:900;color:#ffd166;line-height:1;margin-bottom:10px}

.info-box{background:#fff;border-radius:12px;padding:28px 32px;box-shadow:0 2px 12px rgba(0,0,0,.07);max-width:680px}
.info-box table{width:100%;border-collapse:collapse}
.info-box td{padding:8px 0;vertical-align:top;font-size:15px}
.info-box td:first-child{color:#4a6278;width:44%;padding-right:12px}

details{background:#fff;border-radius:8px;margin-bottom:10px;overflow:hidden;box-shadow:0 1px 6px rgba(0,0,0,.06)}
summary{padding:18px 22px;font-weight:700;cursor:pointer;font-size:15px;color:#0a1f35;list-style:none}
summary::-webkit-details-marker{display:none}
summary::after{content:'＋';float:right;color:#ffd166;font-weight:900}
details[open] summary::after{content:'－'}
details[open] summary{color:#0662c4}
details p{padding:0 22px 18px;font-size:15px}

.cta-strip{background:#0a1f35;border-radius:12px;padding:36px 40px;display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;margin-top:40px}
.cta-strip h2{color:#fff;margin-bottom:6px}
.cta-strip p{color:#8aa5be;max-width:480px;margin:0}

footer{background:#071528;color:#fff;padding:48px 5% 24px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;margin-bottom:36px}
.footer-brand{font-size:20px;font-weight:900;letter-spacing:1px;color:#ffd166;margin-bottom:10px}
.footer-brand span{display:block;font-size:11px;letter-spacing:2px;color:#8aa5be;margin-top:4px}
footer p{font-size:14px;color:#8aa5be;margin-bottom:8px}
.footer-links h4{font-size:12px;letter-spacing:2px;color:#8aa5be;margin-bottom:14px;font-weight:700}
.footer-links a{display:block;font-size:13px;color:#c8d8e8;margin-bottom:8px}
.footer-links a:hover{color:#ffd166}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding-top:20px;font-size:12px;color:#4a6278}

.small{font-size:13px;color:#4a6278}

:focus-visible{outline:3px solid #ffd166;outline-offset:3px}

@media(max-width:900px){
  header{flex-wrap:wrap;padding:12px 5%}
  .grid{grid-template-columns:repeat(2,1fr)}
  .grid-2{grid-template-columns:1fr}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr}
  .cta-strip{flex-direction:column;align-items:flex-start}
}
@media(max-width:560px){
  .grid{grid-template-columns:1fr}
  .grid-3{grid-template-columns:1fr}
  nav{gap:2px}
  nav a{padding:6px 8px;font-size:12px}
  main{padding:32px 5%}
}