:root{
  --navy:#1E3A5F; --blue:#3B82C4; --gold:#D4A849; --text:#4A5568;
  --bg:#FFFFFF; --bg2:#F5F7FA; --line:#E2E8F0;
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{font-family:"Noto Sans JP",-apple-system,"Hiragino Kaku Gothic ProN",Meiryo,sans-serif;color:var(--text);background:var(--bg);line-height:1.9;font-size:16px;letter-spacing:.02em}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:960px;margin:0 auto;padding:0 20px}

/* header */
.site-header{border-bottom:1px solid var(--line);background:#fff}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:68px;flex-wrap:wrap;padding-top:10px;padding-bottom:10px}
.brand{color:var(--navy);font-weight:700;font-size:1.15rem;letter-spacing:.06em}
.brand:hover{text-decoration:none}
.brand small{display:block;font-size:.7rem;font-weight:400;color:var(--text);letter-spacing:.12em}
.nav{display:flex;flex-wrap:wrap;gap:4px 22px;list-style:none;font-size:.92rem}
.nav a{color:var(--navy)}
.nav a[aria-current="page"]{border-bottom:2px solid var(--gold);padding-bottom:2px}

/* hero */
.hero{background:var(--bg2);padding:84px 0 76px;border-bottom:1px solid var(--line)}
.hero .eyebrow{color:var(--gold);font-size:.8rem;letter-spacing:.2em;font-weight:500}
.hero h1{color:var(--navy);font-size:2.1rem;line-height:1.5;margin:12px 0 20px;font-weight:700}
.hero p{max-width:640px}
.btn{display:inline-block;background:var(--blue);color:#fff;padding:12px 28px;border-radius:4px;font-size:.95rem;margin-top:28px}
.btn:hover{background:#2f6ea8;text-decoration:none}
.btn.ghost{background:transparent;color:var(--blue);border:1px solid var(--blue);margin-left:10px}
.btn.ghost:hover{background:#fff}

/* sections */
main section{padding:64px 0}
main section.alt{background:var(--bg2)}
.page-head{background:var(--bg2);padding:52px 0 44px;border-bottom:1px solid var(--line)}
.page-head h1{color:var(--navy);font-size:1.7rem;line-height:1.5}
.page-head p{margin-top:10px}
h2{color:var(--navy);font-size:1.35rem;margin-bottom:22px;padding-left:14px;border-left:3px solid var(--gold);line-height:1.5}
h3{color:var(--navy);font-size:1.05rem;margin-bottom:6px}
p+p{margin-top:1em}

.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:#fff;border:1px solid var(--line);border-radius:6px;padding:26px 22px}
.card p{font-size:.93rem}

.products{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-bottom:44px}
.product{background:#fff;border:1px solid var(--line);border-radius:6px;padding:22px;display:flex;flex-direction:column}
.product .tag{font-size:.75rem;color:var(--navy);background:var(--bg2);border:1px solid var(--line);border-radius:3px;padding:1px 8px;align-self:flex-start;margin-bottom:10px}
.product p{font-size:.92rem;flex:1}
.product a.more{margin-top:14px;font-size:.9rem}

.note{background:var(--bg2);border:1px solid var(--line);border-radius:6px;padding:20px 22px;font-size:.92rem}
section.alt .note{background:#fff}

/* tables */
table.info{width:100%;border-collapse:collapse;background:#fff;font-size:.95rem}
table.info th,table.info td{border-bottom:1px solid var(--line);padding:16px 14px;vertical-align:top;text-align:left}
table.info tr:first-child th,table.info tr:first-child td{border-top:1px solid var(--line)}
table.info th{width:30%;color:var(--navy);font-weight:500;background:var(--bg2);white-space:normal}

.doc h2{margin-top:44px}
.doc h2:first-child{margin-top:0}
.doc ul,.doc ol{padding-left:1.4em;margin-top:.6em}
.doc li+li{margin-top:.4em}

/* footer */
.site-footer{background:var(--navy);color:#C9D3E0;padding:40px 0 28px;font-size:.88rem}
.site-footer .fname{color:#fff;font-weight:700;letter-spacing:.06em}
.site-footer ul{list-style:none;display:flex;flex-wrap:wrap;gap:6px 22px;margin:16px 0 22px}
.site-footer a{color:#fff}
.site-footer .copy{border-top:1px solid rgba(255,255,255,.15);padding-top:16px;font-size:.78rem}

@media (max-width:760px){
  body{font-size:15px}
  .hero{padding:56px 0 52px}
  .hero h1{font-size:1.55rem}
  .page-head h1{font-size:1.4rem}
  main section{padding:48px 0}
  .cards,.products{grid-template-columns:1fr}
  .btn.ghost{margin-left:0;margin-top:12px}
  table.info th,table.info td{display:block;width:100%}
  table.info th{border-bottom:none;padding:12px 14px 6px}
  table.info td{padding:6px 14px 14px}
  table.info tr:first-child td{border-top:none}
}