:root{--ink:#1b2430;--soft:#5d6875;--line:#e6e9ee;--red:#b8312f;--navy:#14283f;--bg:#f7f5f1}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font-family:"Helvetica Neue",Helvetica,Arial,"Hiragino Sans","Noto Sans JP",sans-serif;color:var(--ink);background:#fff;line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:inherit}
.container{max-width:1080px;margin:0 auto;padding:0 22px}
header.site{position:sticky;top:0;z-index:10;background:rgba(255,255,255,.95);border-bottom:1px solid var(--line);backdrop-filter:blur(8px)}
header.site .container{display:flex;align-items:center;justify-content:space-between;height:66px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:800;letter-spacing:.2px}
.brand .mark{width:30px;height:30px;border-radius:50%;background:var(--red);position:relative;flex:none}
.brand .mark:after{content:"";position:absolute;left:7px;top:7px;width:16px;height:16px;border-radius:50%;background:#fff}
.brand span{font-size:16px}.brand small{display:block;font-weight:600;font-size:11px;color:var(--soft);letter-spacing:.1em;line-height:1}
nav{display:flex;align-items:center;flex-wrap:nowrap}nav a{margin-left:22px;text-decoration:none;font-size:14.5px;font-weight:600;color:var(--soft)}nav a:hover{color:var(--ink)}
.hero{position:relative;color:#fff;background:linear-gradient(120deg,rgba(20,40,63,.92),rgba(20,40,63,.65)),radial-gradient(circle at 20% 120%,#b8312f 0,transparent 55%),var(--navy);overflow:hidden}
.hero:before{content:"";position:absolute;inset:0;opacity:.12;background-image:radial-gradient(circle at 0 100%,transparent 18px,#fff 19px,#fff 21px,transparent 22px),radial-gradient(circle at 40px 100%,transparent 18px,#fff 19px,#fff 21px,transparent 22px);background-size:40px 22px}
.hero .container{position:relative;padding:110px 22px 120px}
.hero .eyebrow{font-size:13px;letter-spacing:.25em;text-transform:uppercase;opacity:.85}
.hero h1{font-size:clamp(34px,6vw,58px);line-height:1.12;margin:12px 0 18px;font-weight:800;letter-spacing:-.5px}
.hero p{font-size:18px;max-width:620px;opacity:.92;margin:0 0 30px}
.btn{display:inline-block;background:var(--red);color:#fff;text-decoration:none;font-weight:700;padding:14px 26px;border-radius:6px;border:none;font-size:15.5px;cursor:pointer;font-family:inherit}
.btn.ghost{background:transparent;border:1.5px solid rgba(255,255,255,.8);margin-left:10px}
section{padding:80px 0}section.alt{background:var(--bg)}
.sec-h{text-align:center;max-width:680px;margin:0 auto 44px}.sec-h .k{color:var(--red);font-weight:700;font-size:13px;letter-spacing:.2em;text-transform:uppercase}
.sec-h h2{font-size:clamp(26px,4vw,36px);margin:8px 0 12px;line-height:1.25}.sec-h p{color:var(--soft);margin:0}
.grid3{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:22px}
.tour{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;display:flex;flex-direction:column}
.tour .img{height:170px}.t1{background:linear-gradient(135deg,#d9a35f,#8c3b2d)}.t2{background:linear-gradient(135deg,#5f8fb0,#1e3a5a)}.t3{background:linear-gradient(135deg,#7a9a63,#2f4a2d)}.t4{background:linear-gradient(135deg,#c56a7a,#5a2235)}.t5{background:linear-gradient(135deg,#8a7fbf,#2d2a5a)}.t6{background:linear-gradient(135deg,#d6b25e,#6b5320)}
.tour .b{padding:18px 18px 20px;flex:1}.tour h3{margin:0 0 6px;font-size:18px}.tour p{margin:0;color:var(--soft);font-size:14.5px}.tour .tag{display:inline-block;font-size:12px;font-weight:700;color:var(--red);margin-bottom:6px;letter-spacing:.05em}
.feat{text-align:center;padding:10px}.feat .ic{width:56px;height:56px;margin:0 auto 14px;border-radius:50%;background:#fff;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--red)}.feat .ic svg{width:26px;height:26px}
.feat h3{margin:0 0 6px;font-size:18px}.feat p{margin:0;color:var(--soft);font-size:14.5px}
.private{display:grid;grid-template-columns:1.1fr 1fr;gap:44px;align-items:center}
.private .art{height:340px;border-radius:14px;background:linear-gradient(140deg,#14283f,#2c4a6b 50%,#b8312f)}
.private ul{padding-left:20px;margin:16px 0 26px}.private li{margin-bottom:6px}
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px;counter-reset:s}
.step{background:#fff;border:1px solid var(--line);border-radius:12px;padding:22px}.step:before{counter-increment:s;content:counter(s);display:inline-flex;width:32px;height:32px;border-radius:50%;background:var(--navy);color:#fff;align-items:center;justify-content:center;font-weight:700;margin-bottom:10px}
.step h3{margin:0 0 4px;font-size:16.5px}.step p{margin:0;color:var(--soft);font-size:14.5px}
.cta{background:var(--navy);color:#fff;text-align:center}.cta h2{font-size:clamp(24px,4vw,34px);margin:0 0 10px}.cta p{opacity:.85;margin:0 0 26px}
footer{background:#0f1d2e;color:#c9d1db;font-size:13.5px;padding:40px 0}footer .container{display:flex;flex-wrap:wrap;gap:24px;justify-content:space-between}footer a{color:#c9d1db;margin-right:18px;text-decoration:none}footer a:hover{color:#fff}
.page{padding:60px 0 80px}.page h1{font-size:clamp(28px,4.5vw,40px);margin:0 0 10px}.page .lead{color:var(--soft);margin:0 0 30px}
form.contact{max-width:640px}form.contact label{display:block;font-weight:700;font-size:14px;margin:16px 0 6px}
form.contact input,form.contact select,form.contact textarea{width:100%;border:1px solid #cfd5dd;border-radius:6px;padding:12px 14px;font-size:16px;font-family:inherit;background:#fff}
form.contact textarea{min-height:150px}.hp{position:absolute;left:-9999px}
.notice{padding:14px 16px;border-radius:8px;margin-bottom:20px;font-weight:600}.notice.ok{background:#e8f5ec;color:#1f6b3a}.notice.ng{background:#fdecec;color:#9b2c2c}
table.legal{width:100%;border-collapse:collapse;font-size:14.5px}table.legal th,table.legal td{border:1px solid var(--line);padding:12px 14px;vertical-align:top;text-align:left}table.legal th{background:var(--bg);width:30%;font-weight:700}
.prose h2{font-size:20px;margin:30px 0 8px}.prose p,.prose li{color:#333}
@media (max-width:760px){header.site .container{height:58px}.brand span{font-size:13.5px;line-height:1.25}.brand small{display:none}.brand .mark{width:24px;height:24px}.brand .mark:after{left:6px;top:6px;width:12px;height:12px}nav a{margin-left:12px;font-size:13px;white-space:nowrap}nav a.nav-sec{display:none}.private{grid-template-columns:1fr}.private .art{height:200px}.hero .container{padding:80px 22px 90px}.btn.ghost{margin:10px 0 0}}