:root{--text:#0b1220;--muted:#55647a;--line:#e7eef9;--blue:#1e6bff;--blue2:#0b4bd6;--blue-soft:#eaf2ff;--shadow:0 18px 48px rgba(0,0,0,.10);--radius:22px}
*{box-sizing:border-box}html,body{margin:0;padding:0}
body{font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans JP","Hiragino Kaku Gothic ProN","Yu Gothic",sans-serif;color:var(--text);
background:radial-gradient(1200px 700px at 14% 0%, rgba(30,107,255,.16), rgba(255,255,255,0) 60%),radial-gradient(900px 520px at 86% 10%, rgba(255,143,177,.12), rgba(255,255,255,0) 58%),#fff;line-height:1.75}
a{color:inherit;text-decoration:none}img{max-width:100%;height:auto;display:block}
.container{width:min(1160px,92vw);margin:0 auto}
.header{position:sticky;top:0;z-index:50;backdrop-filter:saturate(180%) blur(10px);background:rgba(255,255,255,.86);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 0;gap:16px}
.brand{display:flex;align-items:center;gap:12px;min-width:240px}
.brand img{width:44px;height:44px}
.brand .name{font-weight:1100;letter-spacing:.02em}
.brand .sub{font-size:12px;color:var(--muted);font-weight:800}
.nav{display:flex;gap:10px;align-items:center;flex-wrap:wrap;justify-content:center}
.nav a{font-weight:900;color:#13233f;padding:10px 12px;border-radius:14px}
.nav a:hover{background:var(--blue-soft)}
.btn{display:inline-flex;align-items:center;justify-content:center;border:1px solid rgba(30,107,255,.28);background:linear-gradient(180deg,var(--blue),var(--blue2));color:#fff;font-weight:1100;padding:11px 16px;border-radius:16px;box-shadow:0 14px 28px rgba(30,107,255,.18)}
.btn:hover{filter:brightness(1.03)}
.btn.ghost{background:#fff;color:var(--blue);border:1px solid rgba(30,107,255,.28);box-shadow:none}
.hero{padding:46px 0 10px}.hero-grid{display:grid;grid-template-columns:1fr;gap:16px}
.badge{display:inline-flex;gap:8px;align-items:center;background:#fff;border:1px solid var(--line);padding:9px 12px;border-radius:999px;color:var(--muted);font-weight:900}
.h1{font-size:46px;line-height:1.12;margin:14px 0 10px;font-weight:1200;letter-spacing:-.03em}
.lead{font-size:16.8px;color:var(--muted);margin:0 0 18px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.trust{margin-top:14px;display:flex;gap:10px;flex-wrap:wrap;align-items:center;color:var(--muted);font-weight:900;font-size:13px}
.trust .dot{width:8px;height:8px;border-radius:999px;background:rgba(30,107,255,.6)}
.hero-banner{border:1px solid var(--line);border-radius:28px;box-shadow:var(--shadow);overflow:hidden;background:#fff}
.section{padding:30px 0}.section h2{font-size:30px;margin:0 0 12px;font-weight:1200;letter-spacing:-.02em}.section p{color:var(--muted);margin:0 0 14px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:0 12px 26px rgba(0,0,0,.08)}
.card h3{margin:0 0 6px;font-size:18px;font-weight:1100}.card .small{color:var(--muted);font-size:14px;margin:0}
.thumb{border-radius:18px;overflow:hidden;border:1px solid var(--line);margin:12px 0 12px;background:#fff}
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.step{padding:18px;border-radius:18px;border:1px solid var(--line);background:#fff;box-shadow:0 10px 22px rgba(0,0,0,.06)}
.step .no{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:14px;background:var(--blue-soft);color:var(--blue);font-weight:1200;margin-bottom:8px;border:1px solid rgba(30,107,255,.2)}
.step h4{margin:0 0 4px;font-weight:1100}.step p{margin:0;color:var(--muted);font-size:14px}
.form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.field{display:flex;flex-direction:column;gap:6px;margin:12px 0}label{font-weight:1100}
input,textarea{width:100%;padding:12px 12px;border-radius:16px;border:1px solid #d9e4f8;background:#fff;font-size:16px;outline:none}
input:focus,textarea:focus{border-color:rgba(30,107,255,.6);box-shadow:0 0 0 4px rgba(30,107,255,.12)}
textarea{min-height:150px;resize:vertical}
.hint{color:var(--muted);font-size:13px;font-weight:900}
.notice{display:flex;gap:10px;align-items:flex-start;background:rgba(30,107,255,.06);border:1px solid rgba(30,107,255,.16);border-radius:18px;padding:12px 14px;color:var(--muted);font-weight:1000;font-size:13px}
.footer{padding:30px 0;border-top:1px solid var(--line);margin-top:34px;background:#fff}
.footer-grid{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.pill{display:inline-flex;gap:10px;flex-wrap:wrap}.pill a{padding:8px 10px;border-radius:999px;border:1px solid var(--line);background:#fff;font-weight:1000}
@media (max-width:980px){.h1{font-size:38px}.grid3{grid-template-columns:1fr}.flow{grid-template-columns:1fr 1fr}.nav{display:none}}
@media (max-width:520px){.flow{grid-template-columns:1fr}}