:root{--blue:#1a5fa8;--blue-dark:#144a85;--bg:#f5f7fa;--text:#333;--muted:#666;--line:#e0e0e0;--accent:#f5a623;--green:#2a7d3f}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Hiragino Kaku Gothic ProN","Hiragino Sans","Noto Sans JP","Yu Gothic","Meiryo",sans-serif;color:var(--text);line-height:1.8;background:#fff;font-size:15px}
a{color:var(--blue)}
img{max-width:100%;height:auto}
.wrap{max-width:960px;margin:0 auto;padding:0 20px}
/* header */
.site-header{border-bottom:1px solid var(--line);background:#fff;position:sticky;top:0;z-index:20}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px}
.logo img{height:44px;width:auto;display:block}
.tel{font-weight:700;color:var(--blue);text-decoration:none;font-size:15px;white-space:nowrap}
.tel small{display:block;font-weight:400;color:var(--muted);font-size:11px;line-height:1.3}
nav.gnav{background:var(--blue)}
nav.gnav ul{list-style:none;margin:0 auto;padding:0;display:flex;flex-wrap:wrap;max-width:960px}
nav.gnav a{display:block;padding:10px 16px;color:#fff;text-decoration:none;font-size:13px;font-weight:700}
nav.gnav a:hover,nav.gnav a.on{background:var(--blue-dark)}
/* hero */
.hero{background:linear-gradient(135deg,#1a5fa8 0%,#2a76c9 100%);color:#fff;padding:56px 0}
.hero h1{font-size:28px;line-height:1.5;margin:0 0 12px}
.hero p{margin:0 0 20px;font-size:15px;color:rgba(255,255,255,.9)}
.hero .tag{display:inline-block;background:rgba(255,255,255,.18);border-radius:20px;padding:4px 14px;font-size:12px;font-weight:700;margin-bottom:14px}
.btn{display:inline-block;background:#fff;color:var(--blue);font-weight:700;padding:12px 28px;border-radius:4px;text-decoration:none;font-size:15px;border:2px solid #fff}
.btn.ghost{background:transparent;color:#fff}
.btn.blue{background:var(--blue);color:#fff;border-color:var(--blue)}
.btn.blue:hover{background:var(--blue-dark)}
.btn-row{display:flex;gap:12px;flex-wrap:wrap}
/* sections */
section{padding:52px 0}
section.alt{background:var(--bg)}
h2{font-size:24px;color:var(--blue);margin:0 0 20px;padding-bottom:8px;border-bottom:2px solid var(--blue)}
h3{font-size:18px;margin:28px 0 10px;color:#222}
.lead{font-size:15px;color:#444}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.card{background:#fff;border:1px solid var(--line);border-radius:10px;padding:22px}
.card h3{margin:0 0 8px;font-size:16px;color:var(--blue)}
.card p{margin:0;font-size:14px;color:#555}
.note{background:#fff8e6;border-left:4px solid var(--accent);border-radius:0 8px 8px 0;padding:14px 18px;font-size:14px;color:#7a5a1a}
.info{background:#e8f0fb;border-left:4px solid var(--blue);border-radius:0 8px 8px 0;padding:14px 18px;font-size:14px;color:#1a4a80}
.steps{list-style:none;padding:0;margin:0;counter-reset:s}
.steps li{position:relative;padding:16px 16px 16px 66px;background:#fff;border:1px solid var(--line);border-radius:10px;margin-bottom:12px;counter-increment:s}
.steps li::before{content:counter(s);position:absolute;left:16px;top:16px;width:36px;height:36px;border-radius:50%;background:var(--blue);color:#fff;font-weight:700;display:flex;align-items:center;justify-content:center;font-size:14px}
.steps li b{display:block;font-size:15px;margin-bottom:4px}
.steps li span{font-size:14px;color:#555}
table.spec{width:100%;border-collapse:collapse;font-size:14px}
table.spec th,table.spec td{padding:12px 10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
table.spec th{width:32%;color:var(--muted);font-weight:700;white-space:nowrap}
.quote{background:#fff;border:1px solid var(--line);border-radius:10px;padding:18px 20px;margin-bottom:12px}
.quote p{margin:0 0 6px;font-size:14px;color:#555}
.quote small{color:var(--blue);font-size:12px}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px;margin-bottom:16px}
.stat{background:#fff;border-radius:10px;padding:18px;text-align:center;border:1px solid var(--line)}
.stat b{display:block;font-size:22px;color:var(--blue)}
.stat span{font-size:12px;color:var(--muted)}
.cta{background:var(--blue);color:#fff;border-radius:10px;padding:32px;text-align:center}
.cta h2{color:#fff;border:0;margin-bottom:8px;font-size:22px}
.cta p{margin:0 0 18px;color:rgba(255,255,255,.9);font-size:14px}
.cta .tel-big{display:block;font-size:26px;font-weight:700;color:#fff;text-decoration:none;margin:8px 0}
/* footer */
footer{background:#222;color:#ccc;padding:36px 0;font-size:13px}
footer a{color:#fff}
footer .cols{display:grid;grid-template-columns:1fr 1fr;gap:24px}
footer ul{list-style:none;padding:0;margin:0}
footer li{margin-bottom:6px}
footer .copy{margin-top:24px;color:#888;font-size:12px;text-align:center}
.breadcrumb{font-size:12px;color:var(--muted);margin:14px 0 0}
.breadcrumb a{color:var(--muted)}
.page-title{padding:28px 0 6px}
.page-title h1{font-size:26px;color:#222;margin:0}
ul.plain{padding-left:20px;font-size:14px;color:#444}
ul.plain li{margin-bottom:6px}
@media (max-width:640px){
  .hero h1{font-size:22px}
  .logo img{height:36px}
  nav.gnav a{padding:9px 10px;font-size:12px}
  footer .cols{grid-template-columns:1fr}
  .steps li{padding-left:58px}
  section{padding:40px 0}
}