*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#f7f7f7;color:#333;font-family:-apple-system,BlinkMacSystemFont,"Noto Sans JP","Yu Gothic",Meiryo,sans-serif;line-height:1.8}
a{color:#075b9a}
.site{max-width:1050px;margin:auto;background:#fff;min-height:100vh}
header{position:sticky;top:0;z-index:10;background:#fff;border-bottom:1px solid #ddd;padding:10px 16px}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:12px}
.logo{font-size:1.05rem;font-weight:700;color:#333;text-decoration:none}
.phone{font-weight:700;text-decoration:none;white-space:nowrap}
nav{overflow-x:auto;white-space:nowrap;border-top:1px solid #eee;margin-top:8px;padding-top:7px}
nav a{display:inline-block;margin-right:14px;text-decoration:none;font-size:.92rem}
main{padding:18px 20px 80px}
h1{font-size:1.6rem;text-align:center;margin:10px 0 8px}
.subtitle{text-align:center;font-size:1.05rem;margin-bottom:22px;color:#555}
.lead{background:#fafafa;border:1px solid #ddd;border-radius:10px;padding:16px;margin-bottom:24px}
.plan{text-align:center;margin:16px 0 18px}
.plan img{max-width:100%;height:auto;width:auto;max-height:600px}
.room-card{border:1px solid #ddd;border-radius:12px;margin:24px 0;overflow:hidden;background:#fff;box-shadow:0 2px 7px rgba(0,0,0,.05)}
.room-title{background:#f0f0f0;padding:12px 16px;font-size:1.2rem;font-weight:700}
.room-body{padding:15px}
.data-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;margin:12px 0}
.data{border:1px solid #ddd;border-radius:8px;padding:10px;background:#fafafa}
.label{display:block;font-size:.78rem;color:#666}
.value{font-size:1rem;font-weight:700}
details{margin-top:12px;border-top:1px solid #ddd;padding-top:10px}
summary{cursor:pointer;font-weight:700}
.status{display:inline-block;margin:12px 0 4px;padding:5px 13px;border-radius:20px;background:#f3e2d8;color:#9a4b1e;font-weight:700}
.toplink{text-align:center;margin:35px 0}
.bottom-cta{display:none}
@media(max-width:700px){
 header{padding:9px 12px}
 .logo{font-size:.98rem}
 .phone{font-size:.88rem}
 main{padding:12px 12px 88px}
 h1{font-size:1.3rem;line-height:1.5}
 .subtitle{font-size:.95rem}
 .lead{padding:13px}
 .room-body{padding:13px}
 .plan img{width:100%;max-height:none}
 .data-grid{grid-template-columns:1fr 1fr}
 .bottom-cta{position:fixed;display:grid;grid-template-columns:1fr 1fr;gap:8px;left:0;right:0;bottom:0;z-index:20;padding:8px;background:rgba(255,255,255,.96);border-top:1px solid #ccc}
 .bottom-cta a{display:block;text-align:center;padding:9px 5px;border-radius:8px;text-decoration:none;font-weight:700;border:1px solid #888;background:#fff;color:#333}
 .bottom-cta a:last-child{background:#eee}
}