*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:#163a34;background:#f6f8f5;font:16px/1.65 system-ui,-apple-system,"Noto Sans JP",sans-serif}a{color:inherit}button,select,input{font:inherit}.oa-container{width:min(1120px,calc(100% - 36px));margin:auto}.oa-header{background:#103c36;color:#fff}.oa-header .oa-container{display:flex;justify-content:space-between;gap:16px;align-items:center;min-height:70px}.oa-brand{text-decoration:none;font-size:22px;letter-spacing:.07em}.oa-header nav{display:flex;flex-wrap:wrap;gap:16px;font-size:13px}.oa-header nav a{text-decoration:none}.oa-hero{background:linear-gradient(115deg,#0e423c,#27695d);color:#fff;padding:62px 0 58px}.oa-kicker,.oa-overline{font-size:12px;font-weight:800;letter-spacing:.14em;text-transform:uppercase}.oa-hero h1{font-size:clamp(34px,6vw,64px);line-height:1.2;letter-spacing:-.04em;margin:12px 0}.oa-hero p{max-width:690px}.oa-stat{display:flex;align-items:baseline;gap:12px;margin-top:22px}.oa-stat strong{font-size:38px}.oa-stat span{margin-right:16px}.oa-regions{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px;padding:36px 0}.oa-region,.oa-stay,.oa-disclaimer{background:white;border:1px solid #dce7e2;border-radius:18px;box-shadow:0 6px 28px #123a3410}.oa-region{padding:24px}.oa-region h2{font-size:25px;margin:8px 0}.oa-region p{font-size:14px;color:#49675f}.oa-actions{display:flex;gap:8px;flex-wrap:wrap}.oa-actions a,.oa-actions button,.oa-filters button{border:1px solid #a8c4b9;border-radius:10px;background:#e8f2ed;padding:8px 12px;font-size:13px;font-weight:700;text-decoration:none;color:#164e44;cursor:pointer}.oa-actions a:hover,.oa-actions button:hover,.oa-filters button:hover{background:#d4e8df}.oa-results{padding:18px 0 48px}.oa-title{display:flex;justify-content:space-between;gap:12px;align-items:end}.oa-title h2{margin:0 0 16px;font-size:29px}.oa-title strong{font-size:18px}.oa-filters{display:flex;flex-wrap:wrap;align-items:end;gap:12px;background:#fff;border-radius:16px;padding:18px;border:1px solid #dce7e2}.oa-filters label{flex:1 1 220px;font-weight:700;font-size:13px}.oa-filters select,.oa-filters input{width:100%;display:block;margin-top:6px;border:1px solid #b9d0c6;border-radius:9px;padding:11px;background:#fff;min-width:0}.oa-filters button{min-height:45px}.oa-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(255px,1fr));gap:12px;margin-top:18px}.oa-stay{padding:18px;min-width:0}.oa-stay span{font-size:12px;color:#55776c}.oa-stay h3{font-size:18px;line-height:1.45;margin:8px 0 16px;overflow-wrap:anywhere}.oa-stay[hidden]{display:none}.oa-disclaimer{padding:24px;margin-bottom:45px}.oa-disclaimer h2{margin-top:0}.oa-disclaimer p{font-size:14px}.oa-footer{background:#103c36;color:#fff;padding:25px 0;font-size:13px}#oa-message{font-size:13px;color:#44645a}@media(max-width:500px){.oa-header .oa-container{display:block;padding:14px 0}.oa-header nav{margin-top:10px;gap:10px}.oa-hero{padding:36px 0}.oa-container{width:min(100% - 24px,1120px)}.oa-regions{grid-template-columns:1fr;padding:22px 0}.oa-list{grid-template-columns:1fr}.oa-filters button{flex:1 1 140px}.oa-stat strong{font-size:32px}}