:root{--navy:#0f2a3d;--navy2:#173b55;--sea:#2b7a8c;--sand:#c9a36a;--ink:#1d2730;--mute:#66727c;--line:#e3e7ea;--soft:#f4f6f5;--white:#fff;--r:14px}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font-family:"Noto Sans JP",sans-serif;color:var(--ink);background:var(--white);line-height:1.8;font-size:15px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}a{color:inherit}
.in{max-width:1200px;margin:0 auto;padding:0 24px}.narrow{max-width:820px}
.en{font-family:Montserrat,sans-serif;letter-spacing:.18em;font-size:12px;color:var(--sea);font-weight:700;margin:0 0 6px}
h1,h2,h3{line-height:1.45;margin:0 0 .6em}h2{font-size:28px}h3{font-size:18px}
.btn{display:inline-block;background:var(--navy);color:#fff;text-decoration:none;padding:13px 30px;border-radius:999px;font-weight:700;font-size:14px;border:2px solid var(--navy);transition:.2s;cursor:pointer;font-family:inherit}
.btn:hover{background:var(--sea);border-color:var(--sea)}.btn-o{background:transparent;color:var(--navy)}.btn-w{background:#fff;color:var(--navy);border-color:#fff}.btn-sm{padding:7px 18px;font-size:13px}
.center{text-align:center}.note{font-size:12px;color:var(--mute)}
/* header */
.hd{position:sticky;top:0;z-index:50;background:#fff;box-shadow:0 1px 0 var(--line)}
.hd-top{background:var(--navy);color:#fff;font-size:12px}.hd-top .in{display:flex;justify-content:space-between;align-items:center;min-height:40px;gap:12px}
.hd-top .tag{margin:0;opacity:.85}.hd-contact{display:flex;align-items:center;gap:14px}.hd-contact .tel{font-family:Montserrat;font-weight:700;font-size:16px;text-decoration:none}.hd-contact .hours{opacity:.75}
.hd-contact .btn-sm{background:var(--sand);border-color:var(--sand);color:var(--navy)}
.hd-main .in{display:flex;align-items:center;justify-content:space-between;min-height:72px;gap:20px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none}.logo-mark{width:40px;height:40px;border-radius:10px;background:var(--navy);color:#fff;font-family:Montserrat;font-weight:700;font-size:22px;display:grid;place-items:center}
.logo{flex-shrink:0}.logo-txt b{display:block;font-family:Montserrat;font-size:16px;letter-spacing:.05em;white-space:nowrap}.logo-txt small{display:block;font-size:10.5px;color:var(--mute);white-space:nowrap}
.gnav ul{list-style:none;margin:0;padding:0;display:flex;gap:2px}.gnav>ul>li{position:relative}
.gnav>ul>li>a{display:block;padding:24px 9px;text-decoration:none;font-size:13px;font-weight:500;white-space:nowrap}.gnav>ul>li>a:hover{color:var(--sea)}
.gnav .has>a::after{content:"";display:inline-block;width:5px;height:5px;border-right:1.5px solid;border-bottom:1.5px solid;transform:rotate(45deg);margin:0 0 3px 6px}
.gnav .sub{display:none;position:absolute;top:100%;left:0;background:#fff;box-shadow:0 10px 30px rgba(0,0,0,.12);border-radius:10px;padding:8px;flex-direction:column;min-width:220px}
.gnav .has:hover .sub{display:flex}.gnav .sub a{display:block;padding:9px 12px;text-decoration:none;font-size:13px;border-radius:6px}.gnav .sub a:hover{background:var(--soft)}
.burger{display:none;background:none;border:0;width:44px;height:44px;cursor:pointer}.burger span{display:block;height:2px;background:var(--navy);margin:6px 8px;transition:.2s}
@media(max-width:1180px){.burger{display:block}.gnav{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;box-shadow:0 12px 30px rgba(0,0,0,.12);max-height:75vh;overflow:auto}
.gnav.open{display:block}.gnav ul{flex-direction:column}.gnav>ul>li>a{padding:14px 24px;border-bottom:1px solid var(--line)}.gnav .sub{display:flex;position:static;box-shadow:none;padding:0 0 8px 20px}
.hd-top .tag,.hd-contact .hours{display:none}}
/* breadcrumbs */
.bc{background:var(--soft);font-size:12px}.bc .in{padding-top:10px;padding-bottom:10px}.bc a{text-decoration:none;color:var(--mute)}.bc span{margin:0 8px;color:var(--mute)}.bc em{font-style:normal}
/* key visual */
.kv{position:relative;height:min(82vh,760px);min-height:460px;overflow:hidden;background:var(--navy)}
.kv-slide{position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,25,38,.62),rgba(10,25,38,.08) 65%),var(--bg) center/cover;opacity:0;transition:opacity 1.2s;display:flex;align-items:center;color:#fff}
.kv-slide.on{opacity:1}.kv-slide .in{width:100%}.kv-en{font-family:Montserrat;letter-spacing:.3em;font-size:13px;margin:0 0 12px;opacity:.9}
.kv-slide h1{font-size:clamp(30px,5vw,58px);margin:0 0 14px;text-shadow:0 2px 20px rgba(0,0,0,.3)}.kv-slide p{font-size:clamp(15px,1.6vw,19px);max-width:560px;margin:0}
.kv-dots{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);display:flex;gap:10px}.kv-dots button{width:30px;height:4px;border:0;border-radius:2px;background:rgba(255,255,255,.4);cursor:pointer;padding:0}.kv-dots button.on{background:#fff}
/* stats */
.stats{background:var(--navy);color:#fff}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:34px 24px;text-align:center}
.sv{font-family:Montserrat;font-size:38px;font-weight:700;color:var(--sand)}.su{font-size:15px;margin-left:4px}.stats p{margin:4px 0 0;font-size:13px;opacity:.8}
@media(max-width:760px){.stats-grid{grid-template-columns:1fr 1fr}}
/* sections */
.sec{padding:84px 0}.bg-soft{background:var(--soft)}.bg-dark{background:var(--navy);color:#fff}.bg-dark .en{color:var(--sand)}
.sh{text-align:center;margin-bottom:44px}.sh h2{font-size:30px;margin-bottom:8px}.sh p{color:var(--mute);margin:0}.bg-dark .sh p{color:rgba(255,255,255,.7)}
.grid{display:grid;gap:24px}.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
@media(max-width:900px){.g3,.g4{grid-template-columns:repeat(2,1fr)}}@media(max-width:600px){.g2,.g3,.g4{grid-template-columns:1fr}.sec{padding:60px 0}h2,.sh h2{font-size:24px}}
.intro{display:grid;grid-template-columns:1.1fr 1fr;gap:56px;align-items:center}.intro-img{border-radius:var(--r);aspect-ratio:4/3;object-fit:cover}
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}.split.rev>:first-child{order:2}.split-img{border-radius:var(--r);aspect-ratio:4/3;object-fit:cover;width:100%}
@media(max-width:900px){.intro,.split{grid-template-columns:1fr;gap:28px}.split.rev>:first-child{order:0}}
.icard{background:#fff;border-radius:var(--r);padding:28px;box-shadow:0 2px 0 var(--line)}.bg-soft .icard{box-shadow:none}.icard p{margin:0;color:var(--mute);font-size:14px}
.inum{font-family:Montserrat;font-size:30px;font-weight:700;color:var(--sand);display:block;margin-bottom:6px}
.scard{position:relative;display:block;border-radius:var(--r);overflow:hidden;text-decoration:none;color:#fff;aspect-ratio:4/5;background:#000}
.scard img{width:100%;height:100%;object-fit:cover;opacity:.82;transition:.4s}.scard:hover img{transform:scale(1.05);opacity:.7}
.scard-t{position:absolute;left:18px;bottom:46px;font-size:19px;font-weight:700}.scard-c{position:absolute;left:18px;right:18px;bottom:16px;font-size:12px;opacity:.9}
.scard::after{content:"";position:absolute;inset:40% 0 0;background:linear-gradient(transparent,rgba(0,0,0,.7));pointer-events:none}.scard span{z-index:2}
.lcard{display:block;background:#fff;border-radius:var(--r);overflow:hidden;text-decoration:none;box-shadow:0 2px 0 var(--line);transition:.25s}.lcard:hover{transform:translateY(-4px);box-shadow:0 14px 30px rgba(0,0,0,.08)}
.lcard img{aspect-ratio:16/10;object-fit:cover;width:100%}.lbody{padding:26px 28px 30px}.lbody p{color:var(--mute);font-size:14px}.more{font-family:Montserrat;font-weight:700;font-size:13px;color:var(--sea)}.more::after{content:" →"}
.feat-list{list-style:none;padding:0;margin:0 0 30px;display:grid;grid-template-columns:repeat(2,1fr);gap:16px 40px}
.feat-list li{display:grid;grid-template-columns:50px 1fr;column-gap:12px;border-bottom:1px solid rgba(255,255,255,.18);padding-bottom:16px}.feat-list span{font-family:Montserrat;font-size:22px;color:var(--sand);grid-row:span 2}.feat-list b{font-size:16px}.feat-list p{margin:4px 0 0;font-size:13px;opacity:.75}
@media(max-width:760px){.feat-list{grid-template-columns:1fr}}
.banner{position:relative;display:flex;align-items:flex-end;aspect-ratio:16/9;border-radius:var(--r);overflow:hidden;background:linear-gradient(transparent 40%,rgba(0,0,0,.6)),var(--bg) center/cover;text-decoration:none;color:#fff;padding:24px}
.banner span{font-size:20px;font-weight:700}.banner span::after{content:" →"}
.sim-mini svg,.sim-view svg{width:100%;height:auto}
.empty{text-align:center;background:var(--soft);border-radius:var(--r);padding:48px 24px;color:var(--mute)}.bg-soft .empty{background:#fff}
.ccard{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:26px;text-decoration:none;transition:.2s}.ccard:hover{border-color:var(--sea)}
.cnum{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--navy);color:#fff;font-family:Montserrat;font-weight:700;margin-bottom:10px}.ccard p{color:var(--mute);font-size:13.5px;margin:0}
.acard{display:block;background:#fff;border-radius:var(--r);overflow:hidden;text-decoration:none}.acard img{aspect-ratio:16/10;object-fit:cover;width:100%}.acard h3{padding:18px 20px 22px;font-size:16px;margin:0}
/* page hero */
.phero{position:relative;padding:110px 0 90px;color:#fff;background:linear-gradient(90deg,rgba(10,25,38,.75),rgba(10,25,38,.25)),var(--bg) center/cover}
.phero h1{font-size:clamp(28px,4vw,44px);margin:0}.phero .en{color:var(--sand)}.phero .lead{margin:12px 0 0;font-size:16px;opacity:.9}
.str-list{display:grid;gap:18px}.str{display:grid;grid-template-columns:80px 1fr;gap:20px;background:var(--soft);border-radius:var(--r);padding:28px}.snum{font-family:Montserrat;font-size:36px;font-weight:700;color:var(--sand)}
.str h2{font-size:21px;margin:0 0 6px}.str p{margin:0;color:var(--mute)}
.mcard{background:#fff;border-radius:var(--r);overflow:hidden;border:1px solid var(--line)}.mcard img{aspect-ratio:4/3;object-fit:cover;width:100%}.mbody{padding:22px}
.mcard dl,.info{display:grid;grid-template-columns:auto 1fr;gap:6px 18px;margin:12px 0 0;font-size:14px}.mcard dt,.info dt{color:var(--mute)}.mcard dd,.info dd{margin:0;font-weight:500}
.info.big{font-size:15px;gap:16px 28px}.info.big dt{font-weight:700;color:var(--ink)}
.chk{list-style:none;padding:0}.chk li{padding-left:26px;position:relative;margin:6px 0}.chk li::before{content:"";position:absolute;left:4px;top:8px;width:10px;height:6px;border-left:2px solid var(--sea);border-bottom:2px solid var(--sea);transform:rotate(-45deg)}
.flow{list-style:none;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:18px}.flow li{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px}
.flow span{display:inline-grid;place-items:center;width:32px;height:32px;border-radius:50%;background:var(--sea);color:#fff;font-weight:700;margin-bottom:8px}.flow b{display:block}.flow p{margin:6px 0 0;font-size:13.5px;color:var(--mute)}
/* simulation */
.sim{display:grid;grid-template-columns:1.4fr 1fr;gap:48px;align-items:start}.sim-view{background:linear-gradient(#e8f0f3,#f7f8f6);border-radius:var(--r);padding:28px}
.sim-ctrl h2{font-size:17px;margin:18px 0 10px}.sw-group{display:flex;flex-wrap:wrap;gap:10px}
.sw{border:2px solid var(--line);background:#fff;border-radius:10px;padding:6px 10px 6px 6px;display:flex;align-items:center;gap:8px;cursor:pointer;font-family:inherit;font-size:13px}
.sw::before{content:"";width:24px;height:24px;border-radius:6px;background:var(--c);border:1px solid rgba(0,0,0,.15)}.sw.on{border-color:var(--navy)}
@media(max-width:900px){.sim{grid-template-columns:1fr}}
/* article, faq, form */
.art h1{font-size:30px}.art-img{border-radius:var(--r);margin:20px 0 28px;aspect-ratio:16/9;object-fit:cover;width:100%}.art p{font-size:16px}.art h2{font-size:21px;margin-top:1.6em}
.faq{border:1px solid var(--line);border-radius:12px;padding:0 22px;margin-bottom:12px}.faq summary{cursor:pointer;padding:18px 0;font-weight:700;list-style:none}.faq summary::before{content:"Q. ";color:var(--sea)}.faq p{margin:0 0 18px;color:var(--mute)}
.form{display:grid;gap:16px;background:#fff;border-radius:var(--r);padding:32px;border:1px solid var(--line)}.form label{display:grid;gap:6px;font-weight:500;font-size:14px}
.form input,.form select,.form textarea{font:inherit;padding:12px 14px;border:1px solid #cfd6db;border-radius:8px;background:#fff}.form .agree{display:flex;gap:8px;align-items:center;font-weight:400}
.req{display:inline-block;background:#c0392b;color:#fff;font-size:11px;border-radius:4px;padding:0 6px;margin-left:8px}.hp{position:absolute;left:-9999px}.form-msg{margin:0;font-weight:700;color:var(--sea)}
.tel.big{font-family:Montserrat;font-size:32px;font-weight:700;text-decoration:none;color:var(--navy)}
/* cta + footer */
.cta-band{background:var(--soft);padding:56px 0}.cta-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}@media(max-width:760px){.cta-grid{grid-template-columns:1fr}}
.cta-card{display:grid;gap:4px;background:var(--navy);color:#fff;border-radius:var(--r);padding:26px 28px;text-decoration:none;transition:.2s}.cta-card:hover{background:var(--sea)}
.cta-k{font-family:Montserrat;font-size:11px;letter-spacing:.2em;color:var(--sand)}.cta-card b{font-size:20px}.cta-card span:last-child{font-size:13px;opacity:.8}.tel-card b{font-family:Montserrat;font-size:24px}
.ft{background:#0b1f2d;color:rgba(255,255,255,.85);padding:60px 0 30px;font-size:13px}.fgrid{display:grid;grid-template-columns:repeat(5,1fr);gap:24px}
.fh{font-weight:700;color:#fff;margin:0 0 10px}.fcol ul{list-style:none;padding:0;margin:0}.fcol li{margin:6px 0}.fcol a{text-decoration:none;opacity:.8}.fcol a:hover{opacity:1}
.fco{display:grid;grid-template-columns:auto 1fr;gap:30px;margin-top:44px;padding-top:30px;border-top:1px solid rgba(255,255,255,.12);align-items:start}
.logo-w .logo-mark{background:#fff;color:var(--navy)}.logo-w .logo-txt small{color:rgba(255,255,255,.6)}.fco dl{display:grid;grid-template-columns:auto 1fr;gap:4px 16px;margin:0}.fco dt{opacity:.6}.fco dd{margin:0}
.copy{text-align:center;margin:30px 0 0;opacity:.5;font-size:12px}
@media(max-width:900px){.fgrid{grid-template-columns:1fr 1fr}.fco{grid-template-columns:1fr}}
.float-cta{position:fixed;right:18px;bottom:18px;z-index:40;background:var(--sand);color:var(--navy);font-weight:700;text-decoration:none;padding:14px 22px;border-radius:999px;box-shadow:0 8px 24px rgba(0,0,0,.2);font-size:14px}
@media(max-width:600px){.scene-grid{grid-template-columns:1fr 1fr;gap:12px}.scard-t{font-size:15px;left:12px;bottom:40px}.scard-c{left:12px;right:12px;bottom:12px;font-size:11px}}
.mbody .en .ja{margin-left:8px;font-size:12px;letter-spacing:0;color:var(--mute,#6b7280);font-weight:400}
.mbody .badge{margin-left:8px;display:inline-block;font-size:10px;letter-spacing:.08em;padding:2px 8px;border-radius:999px;background:#b8925a;color:#fff;vertical-align:2px}
.mcard.flag{outline:2px solid #b8925a;outline-offset:-2px}
.mwide{max-width:980px;margin:0 auto}.mcard.wide{display:grid;grid-template-columns:1.25fr 1fr;align-items:center}
.mcard.wide img{height:100%;min-height:300px;object-fit:cover}.mcard.wide .mbody{padding:28px 32px}.mcard.wide h3{font-size:22px}
@media(max-width:760px){.mcard.wide{grid-template-columns:1fr}.mcard.wide img{min-height:0;aspect-ratio:4/3}}
.banner span small{display:block;font-size:12px;letter-spacing:.12em;font-weight:500;opacity:.9;margin-top:4px;font-family:Montserrat,sans-serif}
.base{display:inline-block;background:#f4efe6;border-left:3px solid #b8925a;padding:8px 14px;border-radius:6px;font-size:14px;margin:4px 0 16px}.base a{font-weight:700;color:#0f2a3d;letter-spacing:.06em}