:root{
  --ink:#0b1220;--sub:#5c6779;--line:#e5e9f0;--bg:#f4f6fb;--card:#fff;
  --accent:#4f7cff;--accent-soft:#eef3ff;--ok:#0a8f4d;--warn:#c2410c;--radius:18px;
  --navy:#070b14;--nav-text:#aab6c8;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Hiragino Sans","Yu Gothic UI","Meiryo",sans-serif;font-size:15px;line-height:1.75;-webkit-font-smoothing:antialiased}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:1040px;margin:0 auto;padding:0 24px}
.site-head{background:var(--navy);border-bottom:1px solid rgba(255,255,255,.08);position:sticky;top:0;z-index:30;backdrop-filter:blur(14px)}
.site-head .wrap{display:flex;align-items:center;justify-content:space-between;height:66px;gap:20px}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:900;font-size:17px;letter-spacing:.01em;color:#f8fafc;white-space:nowrap}
.logo-mark{display:block;width:24px;height:24px;flex:0 0 24px}
.logo b{color:#6ea8ff}
.site-nav{display:flex;align-items:center;gap:20px;overflow-x:auto;white-space:nowrap;scrollbar-width:none;max-width:72%}
.site-nav::-webkit-scrollbar{display:none}
.site-nav a{color:var(--nav-text);font-size:13px;margin-left:0;font-weight:600}
.site-nav a:hover{color:#fff;text-decoration:none}
h1{font-size:clamp(27px,4vw,38px);line-height:1.32;margin:0 0 14px;font-weight:900;letter-spacing:-.03em}
h2{font-size:clamp(18px,2.6vw,24px);margin:0 0 10px;font-weight:900;letter-spacing:-.02em}
.lead{color:var(--sub);margin:0 0 26px;font-size:15.5px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:0 2px 10px rgba(15,23,42,.04);transition:.18s}
.card:hover{box-shadow:0 12px 28px rgba(15,23,42,.08)}
.grid{display:grid;gap:16px}
.grid-2{grid-template-columns:1fr 1fr}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-auto{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
@media(max-width:820px){.grid-2,.grid-3{grid-template-columns:1fr}}
label{display:block;font-size:12px;color:var(--sub);font-weight:700;margin:0 0 5px}
input,select,textarea,button{font-family:inherit;font-size:14px}
input,select,textarea{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
textarea{resize:vertical}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:linear-gradient(135deg,#5b8cff,#8b5cf6);color:#fff;border:1px solid transparent;border-radius:12px;padding:12px 22px;font-weight:800;font-size:14px;cursor:pointer;transition:.18s;box-shadow:0 10px 24px rgba(91,140,255,.22)}
.btn:hover{transform:translateY(-1px);box-shadow:0 14px 30px rgba(91,140,255,.32);text-decoration:none}
.btn.sec{background:#fff;color:var(--ink);border:1px solid var(--line);font-weight:700;box-shadow:none}
.btn.sec:hover{background:#fafbff;border-color:#c3d0f0;transform:none;box-shadow:none}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}
.tag{display:inline-block;font-size:11px;font-weight:800;padding:3px 9px;border-radius:99px;background:var(--accent-soft);color:var(--accent)}
.tag.ok{background:#e8f7ef;color:var(--ok)}
.muted{color:var(--sub);font-size:12.5px}
.privacy{background:#eef6ff;border:1px solid #cfe2ff;border-radius:14px;padding:12px 16px;font-size:13px;color:#1e3a8a;margin:18px 0}
.privacy b{font-weight:900}
footer{border-top:1px solid rgba(255,255,255,.08);background:var(--navy);margin-top:64px;padding:34px 0;color:#8b99ad;font-size:12.5px}
footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}
footer a{color:#cbd5e1}
footer .muted{color:#8b99ad}
.hide{display:none!important}
table{width:100%;border-collapse:collapse}
th,td{padding:8px 6px;border-bottom:1px solid var(--line);text-align:left;font-size:13.5px}
th{font-size:11.5px;color:var(--sub);font-weight:800;border-bottom:2px solid var(--line)}
.num{text-align:right;font-variant-numeric:tabular-nums}
@media(max-width:720px){
  .site-head .wrap{height:auto;padding:10px 0;flex-direction:column;align-items:flex-start;gap:8px}
  .site-nav{width:100%;max-width:100%;padding-bottom:2px}
  .wrap{padding:0 18px}
}

/* 下層ページ共通のページヒーロー */
.page-hero{background:linear-gradient(135deg,#070b14 0%,#101a2e 55%,#16233d 100%);color:#f8fafc;padding:44px 0 40px;border-bottom:1px solid rgba(255,255,255,.08);position:relative;overflow:hidden}
.page-hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:52px 52px;mask-image:linear-gradient(180deg,#000,transparent 85%);pointer-events:none}
.page-hero .wrap{position:relative;z-index:1}
.page-hero .crumb{font-size:11.5px;letter-spacing:.08em;color:#8b99ad;margin-bottom:14px}
.page-hero .crumb a{color:#aab6c8}
.page-hero h1{color:#f8fafc;font-size:clamp(28px,4vw,42px);margin:0 0 12px}
.page-hero .lead{color:#b6c2d3;font-size:15.5px;margin:0;max-width:780px}
.page-hero .lead b{color:#fff}