:root{
  --turquoise:#5DCAA5; --turquoise-d:#3fae8a; --ink:#213a34; --sub:#5c7169;
  --bg:#ffffff; --soft:#f2faf7; --line:#e3efe9; --orange:#f0a04b;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,"Hiragino Sans","Noto Sans JP",sans-serif;color:var(--ink);background:var(--bg);line-height:1.75;-webkit-font-smoothing:antialiased}
a{color:var(--turquoise-d);text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:960px;margin:0 auto;padding:0 20px}

/* header */
header{position:sticky;top:0;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);z-index:50}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.nav img{height:40px;width:auto}
.nav a.cta{background:var(--turquoise);color:#fff;padding:9px 18px;border-radius:999px;font-weight:700;font-size:14px}

/* hero */
.hero{background:linear-gradient(160deg,#eafaf4 0%,#fff 60%);padding:64px 0 56px;text-align:center}
.hero h1{font-size:34px;font-weight:900;letter-spacing:.5px;line-height:1.4}
.hero .lead{font-size:17px;color:var(--sub);margin:18px auto 30px;max-width:600px}
.hero .icon{width:104px;height:104px;border-radius:24px;margin:0 auto 22px;box-shadow:0 12px 30px rgba(93,202,165,.35)}
.btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.btn{display:inline-block;padding:14px 26px;border-radius:999px;font-weight:700;font-size:15px}
.btn.primary{background:var(--turquoise);color:#fff}
.btn.ghost{background:#fff;color:var(--turquoise-d);border:2px solid var(--turquoise)}

/* sections */
section{padding:56px 0}
section.soft{background:var(--soft)}
h2{font-size:26px;font-weight:800;text-align:center;margin-bottom:8px}
.sec-sub{text-align:center;color:var(--sub);margin-bottom:36px}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px;text-align:center}
.card .emoji{font-size:34px;margin-bottom:10px}
.card h3{font-size:16px;margin-bottom:6px}
.card p{font-size:13.5px;color:var(--sub)}

/* steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.step{text-align:center}
.step .n{width:44px;height:44px;border-radius:50%;background:var(--turquoise);color:#fff;font-weight:800;font-size:18px;display:flex;align-items:center;justify-content:center;margin:0 auto 12px}
.step h3{font-size:15px;margin-bottom:6px}
.step p{font-size:13.5px;color:var(--sub)}

/* fee */
.fee{display:grid;grid-template-columns:1fr 1fr;gap:20px;max-width:640px;margin:0 auto}
.fee .box{background:#fff;border:2px solid var(--turquoise);border-radius:18px;padding:28px;text-align:center}
.fee .box .big{font-size:40px;font-weight:900;color:var(--turquoise-d)}
.fee .box .lbl{font-size:15px;font-weight:700;margin-top:6px}
.fee .box .note{font-size:12px;color:var(--sub);margin-top:8px}

/* faq */
.faq{max-width:720px;margin:0 auto}
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:4px 18px;margin-bottom:10px}
.faq summary{font-weight:700;padding:14px 0;cursor:pointer;list-style:none;font-size:15px}
.faq summary::-webkit-details-marker{display:none}
.faq p{padding:0 0 16px;color:var(--sub);font-size:14px}

/* footer */
footer{background:var(--ink);color:#cfe3dc;padding:40px 0;font-size:14px}
footer .flinks{display:flex;gap:20px;flex-wrap:wrap;margin-bottom:16px}
footer .flinks a{color:#eafaf4}
footer .small{color:#8fb0a6;font-size:12px}

/* legal pages */
.legal{padding:48px 0 80px}
.legal h1{font-size:26px;margin-bottom:8px}
.legal .updated{color:var(--sub);font-size:13px;margin-bottom:28px}
.legal h2{text-align:left;font-size:18px;margin:28px 0 8px}
.legal p,.legal li{font-size:14.5px;color:#33473f;margin-bottom:8px}
.legal ul{padding-left:20px}
.legal .back{display:inline-block;margin-bottom:20px;font-weight:700}
.legal table{width:100%;border-collapse:collapse;margin-top:8px}
.legal th,.legal td{border:1px solid var(--line);padding:10px 12px;font-size:14px;text-align:left;vertical-align:top}
.legal th{background:var(--soft);width:34%;white-space:nowrap}

@media(max-width:720px){
  .hero h1{font-size:27px}
  .grid,.steps{grid-template-columns:1fr}
  .fee{grid-template-columns:1fr}
  .nav img{height:34px}
}