:root{--navy:#1A2238;--gold:#C9A86A;--rose:#C98B9B;--bg:#F7F5F0;--ink:#23262e;--muted:#6b6f76;}
*{box-sizing:border-box;}
body{margin:0;font-family:"Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;color:var(--ink);background:var(--bg);line-height:1.85;font-size:16px;}
a{color:#2c4a7c;}
.site-header{background:var(--navy);color:#F5F3EE;padding:18px 16px;}
.site-header .wrap{max-width:760px;margin:0 auto;display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;}
.site-header a{color:#F5F3EE;text-decoration:none;font-weight:700;font-size:1.15rem;letter-spacing:.02em;}
.site-header .tag{color:#c9cdd6;font-size:.8rem;}
nav.main{background:#222a40;}
nav.main ul{max-width:760px;margin:0 auto;padding:0;list-style:none;display:flex;flex-wrap:wrap;gap:2px;}
nav.main a{display:block;color:#e7e9ef;text-decoration:none;padding:10px 14px;font-size:.86rem;}
nav.main a:hover{background:#2f395a;}
main{max-width:760px;margin:0 auto;padding:28px 18px 10px;}
main h1{font-size:1.5rem;line-height:1.5;border-bottom:3px solid var(--gold);padding-bottom:.4em;margin-top:.2em;}
main h2{font-size:1.2rem;margin-top:2em;border-left:5px solid var(--navy);padding-left:.5em;}
main h3{font-size:1.05rem;margin-top:1.6em;color:var(--navy);}
main blockquote{background:#efeadf;border-left:4px solid var(--gold);margin:1.2em 0;padding:.8em 1em;color:#4a4d54;font-size:.92rem;border-radius:4px;}
main table{border-collapse:collapse;width:100%;font-size:.9rem;margin:1em 0;display:block;overflow-x:auto;}
main th,main td{border:1px solid #d8d3c6;padding:7px 9px;text-align:left;}
main th{background:#ece6da;}
.hero{text-align:center;padding:18px 0 8px;}
.hero h1{border:none;font-size:1.7rem;}
.hero p{color:var(--muted);max-width:34em;margin:.6em auto 0;}
.notice{background:#fff;border:1px solid #e3ddd0;border-radius:8px;padding:14px 16px;font-size:.85rem;color:#5a5e66;margin:18px 0;}
.cards{display:grid;gap:14px;margin:14px 0 8px;}
.card{display:block;background:#fff;border:1px solid #e6e0d3;border-radius:10px;padding:16px 18px;text-decoration:none;color:inherit;transition:.15s;}
.card:hover{border-color:var(--gold);box-shadow:0 4px 14px rgba(26,34,56,.08);}
.card h3{margin:.1em 0 .4em;color:var(--navy);font-size:1.02rem;}
.card p{margin:0;color:var(--muted);font-size:.88rem;}
.cta{display:inline-block;background:var(--navy);color:#fff!important;text-decoration:none;padding:11px 20px;border-radius:8px;margin:.4em 0;font-weight:700;}
footer{background:var(--navy);color:#c9cdd6;margin-top:40px;padding:26px 18px;font-size:.82rem;}
footer .wrap{max-width:760px;margin:0 auto;}
footer a{color:#e7e9ef;}
footer .links{margin-bottom:10px;}
@media(max-width:600px){main h1{font-size:1.3rem;}.hero h1{font-size:1.45rem;}}