:root{--ink:#14202e;--muted:#5b6878;--line:#e3e8ef;--bg:#f5f7fa;--brand:#1f6feb;--brand-d:#1558c4;--soft:#e8f0fe;--ok:#1a7f4b;--warn:#b25e00}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font-family:"Noto Sans JP","Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;color:var(--ink);background:#fff;line-height:1.75;font-size:16px;-webkit-text-size-adjust:100%}
a{color:var(--brand)}img{max-width:100%;height:auto;display:block}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
header.top{position:sticky;top:0;z-index:10;background:rgba(255,255,255,.92);backdrop-filter:saturate(1.4) blur(8px);border-bottom:1px solid var(--line)}
header.top .wrap{display:flex;align-items:center;gap:16px;height:60px}
.logo{font-weight:800;font-size:18px;color:var(--ink);text-decoration:none;display:flex;align-items:center;gap:8px}
.logo i{width:26px;height:26px;border-radius:7px;background:var(--brand);display:inline-block;position:relative}
.logo i::after{content:"";position:absolute;inset:7px 5px 9px;border:2.5px solid #fff;border-bottom:0;border-radius:6px 6px 0 0}
nav.links{margin-left:auto;display:flex;gap:18px;align-items:center;font-size:14px}nav.links a{color:var(--muted);text-decoration:none}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:12px 22px;border-radius:12px;font-weight:700;text-decoration:none;border:1px solid transparent;font-size:16px;white-space:nowrap}
.btn.pri{background:var(--brand);color:#fff}.btn.pri:hover{background:var(--brand-d)}
.btn.ghost{background:#fff;color:var(--ink);border-color:var(--line)}.btn.sm{padding:8px 14px;font-size:14px;border-radius:10px}
.hero{background:linear-gradient(180deg,#f2f6ff 0%,#fff 100%);padding:56px 0 40px;overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:1.05fr 1fr;gap:40px;align-items:center}
.eyebrow{display:inline-block;background:var(--soft);color:var(--brand);font-weight:700;font-size:13px;padding:4px 12px;border-radius:99px}
h1{font-size:40px;line-height:1.35;margin:14px 0 12px;letter-spacing:.01em}
.lead{color:var(--muted);font-size:17px;margin:0 0 24px}
.cta{display:flex;gap:12px;flex-wrap:wrap}.note{font-size:13px;color:var(--muted);margin-top:10px}
.shot{border-radius:14px;border:1px solid var(--line);box-shadow:0 20px 50px -20px rgba(20,32,46,.35);background:#fff}
.hero .phone{width:38%;position:absolute;right:-2%;bottom:-10px;border-radius:22px;border:6px solid #14202e}
.hero .pics{position:relative;padding-bottom:30px}
section{padding:64px 0}section.alt{background:var(--bg)}
h2{font-size:28px;margin:0 0 8px;line-height:1.4}.sub{color:var(--muted);margin:0 0 32px}
.pain{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px}
.card h3{margin:0 0 6px;font-size:17px}.card p{margin:0;color:var(--muted);font-size:15px}
.pain .card b{display:block;color:var(--brand);font-size:13px;margin-bottom:4px}
.feat{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.feat .card .ic{width:36px;height:36px;border-radius:10px;background:var(--soft);color:var(--brand);display:grid;place-items:center;font-weight:800;margin-bottom:10px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;margin-top:48px}
.split.rev .txt{order:2}
.split ul{padding-left:1.2em;margin:12px 0 0;color:var(--muted)}.split li{margin:4px 0}
.price{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.price .card{text-align:center;padding:28px 20px}.price .card.pop{border:2px solid var(--brand);position:relative}
.price .card.pop::before{content:"おすすめ";position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:var(--brand);color:#fff;font-size:12px;font-weight:700;padding:2px 12px;border-radius:99px}
.price .yen{font-size:34px;font-weight:800;margin:6px 0 0}.price .yen small{font-size:14px;color:var(--muted);font-weight:400}
.price ul{list-style:none;padding:0;margin:14px 0 0;color:var(--muted);font-size:14px}.price li{padding:4px 0;border-top:1px dashed var(--line)}
.common{margin-top:18px;text-align:center;color:var(--muted);font-size:14px}
details.qa{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 18px;margin-bottom:10px}
details.qa summary{font-weight:700;cursor:pointer;list-style:none}details.qa summary::before{content:"Q. ";color:var(--brand)}
details.qa p{margin:8px 0 0;color:var(--muted)}
.final{background:var(--brand);color:#fff;text-align:center;border-radius:20px;padding:44px 20px}
.final h2{color:#fff}.final p{color:#dbe7ff;margin:0 0 22px}.final .btn.pri{background:#fff;color:var(--brand)}
footer{border-top:1px solid var(--line);padding:28px 0;color:var(--muted);font-size:13px}
footer .wrap{display:flex;gap:18px;flex-wrap:wrap;align-items:center}footer .wrap a{color:var(--muted)}footer .sp{margin-left:auto}
.doc{max-width:820px;margin:0 auto;padding:40px 20px 80px}.doc h1{font-size:28px}.doc h2{font-size:18px;margin:28px 0 6px}.doc p,.doc li{color:#2b3644}
.doc table{border-collapse:collapse;width:100%}.doc th,.doc td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}.doc th{background:var(--bg);width:30%}
.todo{background:#fff3cd;padding:0 4px;border-radius:4px}
@media (max-width:860px){
  h1{font-size:30px}.hero .wrap,.split{grid-template-columns:1fr}.split.rev .txt{order:0}
  .pain,.feat,.price{grid-template-columns:1fr}nav.links a:not(.btn){display:none}
  .hero .phone{display:none}section{padding:48px 0}.logo{font-size:15px;white-space:nowrap}nav.links .btn.ghost{display:none}h1{font-size:26px}header.top .wrap{gap:10px}nav.links{gap:8px}.btn.sm{padding:7px 10px;font-size:13px}
}