:root{
  --black:#0d0d0f;
  --black2:#16161a;
  --char:#1f1f24;
  --gold:#b8985a;
  --gold-l:#d4bd8a;
  --gray:#9a9aa2;
  --gray-d:#6a6a72;
  --line:#2a2a30;
  --paper:#f5f3ef;
  --serif:'Shippori Mincho',serif;
  --sans:'Zen Kaku Gothic New',sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:#e8e8ea;line-height:2;background:var(--black);-webkit-font-smoothing:antialiased;letter-spacing:.02em}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.container{max-width:1200px;margin:0 auto;padding:0 32px}

header{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(13,13,15,.7);backdrop-filter:blur(14px);border-bottom:1px solid rgba(255,255,255,.06);transition:background .3s}
.nav{display:flex;align-items:center;justify-content:space-between;height:88px}
.logo{font-family:var(--serif);font-weight:600;font-size:1.5rem;color:#fff;letter-spacing:.18em}
.logo span{display:block;font-size:.56rem;letter-spacing:.42em;color:var(--gold);font-family:var(--sans);margin-top:2px}
.menu{display:flex;gap:38px;list-style:none;font-size:.84rem;font-weight:400;letter-spacing:.1em}
.menu a{position:relative;padding:4px 0;color:#cfcfd4;transition:color .3s}
.menu a::after{content:"";position:absolute;left:0;bottom:-3px;width:0;height:1px;background:var(--gold);transition:width .35s}
.menu a:hover{color:#fff}
.menu a:hover::after{width:100%}
.nav-cta{border:1px solid var(--gold);color:var(--gold);padding:11px 26px;font-size:.78rem;letter-spacing:.15em;transition:all .3s}
.nav-cta:hover{background:var(--gold);color:var(--black)}
.burger{display:none;flex-direction:column;gap:6px;cursor:pointer;background:none;border:none}
.burger span{width:28px;height:1px;background:#fff}

section{padding:130px 0}
.sec-head{margin-bottom:70px}
.sec-en{display:block;font-size:.72rem;letter-spacing:.45em;color:var(--gold);margin-bottom:18px;font-weight:400}
.sec-title{font-family:var(--serif);font-size:clamp(1.9rem,4vw,2.9rem);font-weight:500;color:#fff;line-height:1.5;letter-spacing:.06em}
.sec-head.center{text-align:center}
.lead{margin-top:24px;color:var(--gray);font-size:.98rem;line-height:2.2;font-weight:300}

.btn{display:inline-flex;align-items:center;gap:14px;padding:18px 44px;font-weight:400;font-size:.86rem;letter-spacing:.12em;transition:all .35s;font-family:var(--sans)}
.btn-gold{background:var(--gold);color:var(--black)}
.btn-gold:hover{background:var(--gold-l);letter-spacing:.18em}
.btn-line{border:1px solid rgba(255,255,255,.4);color:#fff}
.btn-line:hover{border-color:var(--gold);color:var(--gold)}

/* page hero */
.page-hero{position:relative;height:54vh;min-height:380px;display:flex;align-items:center;justify-content:center;text-align:center;overflow:hidden}
.page-hero img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:1}
.page-hero::before{content:"";position:absolute;inset:0;background:rgba(13,13,15,.6);z-index:2}
.page-hero .container{position:relative;z-index:3}
.ph-en{display:block;font-size:.72rem;letter-spacing:.5em;color:var(--gold);margin-bottom:18px}
.page-hero h1{font-family:var(--serif);font-size:clamp(2.2rem,5vw,3.4rem);font-weight:500;color:#fff;letter-spacing:.14em;margin-bottom:18px}
.breadcrumb{font-size:.78rem;color:var(--gray);letter-spacing:.1em}
.breadcrumb a:hover{color:var(--gold)}

/* services detail */
.svc-detail .svc-row{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center;margin-bottom:120px}
.svc-detail .svc-row:last-child{margin-bottom:0}
.svc-row.reverse{direction:rtl}
.svc-row.reverse>*{direction:ltr}
.svc-img{overflow:hidden}
.svc-img img{width:100%;transition:transform 1.2s ease}
.svc-img:hover img{transform:scale(1.05)}
.svc-no{font-family:var(--serif);font-size:.9rem;color:var(--gold);letter-spacing:.3em}
.svc-info h3{font-family:var(--serif);font-size:2rem;color:#fff;margin:18px 0 22px;font-weight:500;letter-spacing:.06em}
.svc-info p{color:var(--gray);margin-bottom:26px;font-weight:300;line-height:2.2}
.svc-list{list-style:none}
.svc-list li{padding:14px 0;border-bottom:1px solid var(--line);font-size:.9rem;color:#cfcfd4;font-weight:300;display:flex;justify-content:space-between}
.svc-list li::after{content:"—";color:var(--gold)}

/* flow */
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.flow-step{background:var(--black);padding:48px 30px;text-align:center}
.fno{font-family:var(--serif);font-size:2.4rem;color:var(--gold);font-weight:500;letter-spacing:.1em}
.flow-step h4{font-family:var(--serif);font-size:1.2rem;color:#fff;margin:14px 0 14px;font-weight:500;letter-spacing:.05em}
.flow-step p{font-size:.84rem;color:var(--gray);font-weight:300}

/* CTA */
.cta{position:relative;text-align:center;overflow:hidden;padding:160px 0}
.cta img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:1}
.cta::before{content:"";position:absolute;inset:0;background:rgba(13,13,15,.78);z-index:2}
.cta .container{position:relative;z-index:3}
.cta h2{font-family:var(--serif);font-size:clamp(1.9rem,4vw,2.8rem);font-weight:500;color:#fff;margin-bottom:24px;letter-spacing:.1em;line-height:1.6}
.cta p{color:var(--gray);margin-bottom:42px;font-weight:300;letter-spacing:.08em}

/* works */
.filter-bar{display:flex;gap:0;justify-content:center;flex-wrap:wrap;margin-bottom:64px;border-bottom:1px solid var(--line)}
.filter-bar button{border:none;background:none;padding:14px 30px;font-family:var(--serif);font-size:.92rem;letter-spacing:.1em;color:var(--gray);cursor:pointer;transition:all .3s;border-bottom:2px solid transparent;margin-bottom:-1px}
.filter-bar button.active,.filter-bar button:hover{color:var(--gold);border-bottom-color:var(--gold)}
.gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:40px}
.gal-card{cursor:pointer;overflow:hidden}
.gal-card .imgwrap{aspect-ratio:3/2;overflow:hidden;position:relative}
.gal-card img{width:100%;height:100%;object-fit:cover;transition:transform 1.1s ease}
.gal-card:hover img{transform:scale(1.06)}
.gal-card .info{padding:24px 4px}
.gal-card .cat{font-size:.7rem;letter-spacing:.25em;color:var(--gold);margin-bottom:10px;display:block}
.gal-card h4{font-family:var(--serif);font-size:1.35rem;color:#fff;margin-bottom:8px;font-weight:500;letter-spacing:.05em}
.gal-card .meta{font-size:.8rem;color:var(--gray);font-weight:300}

/* recruit */
.rec-hero-img{width:100%;margin-bottom:70px;aspect-ratio:21/9;object-fit:cover}
.msg-box{max-width:760px;margin:0 auto 90px;text-align:center}
.msg-box h3{font-family:var(--serif);font-size:1.9rem;color:#fff;margin-bottom:28px;line-height:1.8;font-weight:500;letter-spacing:.06em}
.msg-box p{color:var(--gray);margin-bottom:18px;font-weight:300;line-height:2.2}
.job-table{width:100%;border-collapse:collapse;border-top:1px solid var(--line)}
.job-table th,.job-table td{text-align:left;padding:24px 4px;border-bottom:1px solid var(--line);font-size:.92rem;vertical-align:top;font-weight:300}
.job-table th{width:26%;color:var(--gold);font-family:var(--serif);font-weight:500;letter-spacing:.08em}
.job-table td{color:#cfcfd4}
.benefits{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.benefit{background:var(--black);padding:44px 32px;text-align:center}
.benefit h4{font-family:var(--serif);color:#fff;margin-bottom:12px;font-size:1.15rem;font-weight:500;letter-spacing:.05em}
.benefit p{font-size:.84rem;color:var(--gray);font-weight:300}

/* company */
.profile-table{width:100%;border-collapse:collapse;border-top:1px solid var(--line)}
.profile-table th,.profile-table td{text-align:left;padding:24px 4px;border-bottom:1px solid var(--line);font-size:.92rem;font-weight:300}
.profile-table th{width:26%;color:var(--gold);font-family:var(--serif);font-weight:500;letter-spacing:.08em}
.profile-table td{color:#cfcfd4}
.history-list{list-style:none;border-top:1px solid var(--line)}
.history-list li{display:grid;grid-template-columns:130px 1fr;gap:30px;padding:24px 4px;border-bottom:1px solid var(--line)}
.history-list .year{font-family:var(--serif);color:var(--gold);letter-spacing:.06em}
.history-list .ev{color:#cfcfd4;font-weight:300}
.philo-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:50px}
.philo{text-align:center}
.philo .pn{font-family:var(--serif);color:var(--gold);font-size:.78rem;letter-spacing:.3em}
.philo h4{font-family:var(--serif);font-size:1.5rem;color:#fff;margin:16px 0 16px;font-weight:500;letter-spacing:.05em}
.philo p{font-size:.88rem;color:var(--gray);font-weight:300;line-height:2.1}
.philo .ln{width:40px;height:1px;background:var(--gold);margin:0 auto 24px}

/* access */
.map-frame{width:100%;height:460px;border:0;filter:grayscale(1) invert(.92) contrast(.85)}
.access-info{display:grid;grid-template-columns:1fr 1fr;gap:60px;margin-top:60px;align-items:start}
.access-info h3{font-family:var(--serif);color:#fff;font-size:1.4rem;margin-bottom:24px;font-weight:500;letter-spacing:.06em}
.access-list{list-style:none}
.access-list li{display:grid;grid-template-columns:120px 1fr;padding:18px 0;border-bottom:1px solid var(--line);font-size:.9rem;font-weight:300}
.access-list .lbl{color:var(--gold);letter-spacing:.08em}

/* contact */
.contact-wrap{display:grid;grid-template-columns:1fr 1.3fr;gap:70px;align-items:start}
.contact-aside h3{font-family:var(--serif);color:#fff;font-size:1.5rem;margin-bottom:24px;font-weight:500;letter-spacing:.06em}
.contact-aside p{color:var(--gray);margin-bottom:32px;font-size:.92rem;font-weight:300;line-height:2.2}
.tel-box{border:1px solid var(--line);padding:36px;text-align:center}
.tel-box .lbl{font-size:.78rem;color:var(--gray);letter-spacing:.1em}
.tel-box .num{font-family:var(--serif);font-size:2.1rem;color:var(--gold);margin:10px 0;letter-spacing:.04em}
.tel-box .hours{font-size:.78rem;color:var(--gray);font-weight:300}
.form-field{margin-bottom:28px}
.form-field label{display:block;font-size:.84rem;font-weight:400;color:#cfcfd4;margin-bottom:12px;letter-spacing:.08em}
.form-field label .req{color:var(--gold);font-size:.72rem;margin-left:8px}
.form-field input,.form-field textarea,.form-field select{width:100%;padding:16px 18px;border:1px solid var(--line);background:var(--black2);color:#fff;font-family:var(--sans);font-size:.92rem;font-weight:300;transition:border .3s}
.form-field input::placeholder,.form-field textarea::placeholder{color:var(--gray-d)}
.form-field input:focus,.form-field textarea:focus,.form-field select:focus{outline:none;border-color:var(--gold)}
.form-submit{background:var(--gold);color:var(--black);border:none;padding:20px 50px;font-family:var(--sans);font-size:.92rem;font-weight:500;letter-spacing:.12em;cursor:pointer;transition:all .35s;width:100%}
.form-submit:hover{background:var(--gold-l);letter-spacing:.18em}
.form-note{font-size:.8rem;color:var(--gray);margin-top:18px;text-align:center;font-weight:300}

footer{background:#08080a;color:var(--gray);padding:80px 0 32px;font-size:.86rem;font-weight:300;border-top:1px solid var(--line)}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:50px;margin-bottom:56px}
.foot-logo{font-family:var(--serif);font-size:1.6rem;color:#fff;margin-bottom:20px;letter-spacing:.14em}
.foot-logo span{display:block;font-size:.58rem;letter-spacing:.4em;color:var(--gold);margin-top:4px;font-family:var(--sans)}
.foot-col h5{color:#fff;font-size:.86rem;margin-bottom:20px;letter-spacing:.1em;font-family:var(--serif);font-weight:500}
.foot-col ul{list-style:none}
.foot-col li{margin-bottom:13px}
.foot-col a:hover{color:var(--gold)}
.foot-bottom{border-top:1px solid var(--line);padding-top:28px;text-align:center;font-size:.76rem;color:var(--gray-d);letter-spacing:.05em}
.foot-note{background:#1a1813;color:var(--gold-l);text-align:center;padding:11px;font-size:.78rem;letter-spacing:.06em;border-bottom:1px solid var(--line)}

.reveal{opacity:0;transform:translateY(40px);transition:all 1s cubic-bezier(.2,.8,.2,1)}
.reveal.show{opacity:1;transform:none}

/* ===== トップページ固有 ===== */
.hero{position:relative;height:100vh;min-height:680px;display:flex;align-items:center;overflow:hidden}
.hero img.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:1;animation:slowzoom 14s ease-out forwards}
@keyframes slowzoom{from{transform:scale(1.12)}to{transform:scale(1)}}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(13,13,15,.85) 0%,rgba(13,13,15,.45) 60%,rgba(13,13,15,.2) 100%);z-index:2}
.hero-content{position:relative;z-index:3}
.hero-en{display:block;font-size:.76rem;letter-spacing:.5em;color:var(--gold);margin-bottom:30px}
.hero h1{font-family:var(--serif);font-size:clamp(2.6rem,6.5vw,5rem);font-weight:500;line-height:1.5;color:#fff;letter-spacing:.1em}
.hero p{margin-top:32px;font-size:1rem;color:#cfcfd4;max-width:480px;font-weight:300;line-height:2.3;letter-spacing:.05em}
.hero-btns{margin-top:48px;display:flex;gap:20px;flex-wrap:wrap}
.scroll-cue{position:absolute;bottom:36px;left:50%;transform:translateX(-50%);z-index:3;font-size:.66rem;letter-spacing:.3em;color:var(--gold);writing-mode:vertical-rl;display:flex;align-items:center;gap:14px}
.scroll-cue::after{content:"";width:1px;height:56px;background:linear-gradient(var(--gold),transparent)}

.concept{position:relative}
.concept-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}
.concept-text .jp{font-family:var(--serif);font-size:clamp(1.7rem,3.5vw,2.4rem);color:#fff;line-height:1.9;margin-bottom:30px;font-weight:500;letter-spacing:.08em}
.concept-text p{color:var(--gray);margin-bottom:20px;font-weight:300;line-height:2.3}
.concept-img{overflow:hidden}
.concept-img img{width:100%;transition:transform 1.2s}
.concept-img:hover img{transform:scale(1.05)}

.philosophy{background:var(--black2)}
.stats-row{display:grid;grid-template-columns:repeat(3,1fr);gap:60px;text-align:center}
.stat .n{font-family:var(--serif);font-size:3.4rem;color:var(--gold);font-weight:500;line-height:1}
.stat .n small{font-size:1.3rem}
.stat .l{margin-top:16px;font-size:.84rem;color:var(--gray);letter-spacing:.1em;font-weight:300}

.works-feature .works-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:40px}
.work-card{position:relative;overflow:hidden;aspect-ratio:3/2;cursor:pointer}
.work-card img{width:100%;height:100%;object-fit:cover;transition:transform 1.1s ease}
.work-card:hover img{transform:scale(1.06)}
.work-card .overlay{position:absolute;inset:0;background:linear-gradient(transparent 50%,rgba(13,13,15,.85));display:flex;flex-direction:column;justify-content:flex-end;padding:36px}
.work-card .cat{font-size:.7rem;letter-spacing:.25em;color:var(--gold);margin-bottom:10px}
.work-card h4{font-family:var(--serif);font-size:1.4rem;color:#fff;font-weight:500;letter-spacing:.05em}
.center-btn{text-align:center;margin-top:64px}

@media(max-width:900px){
  .menu,.nav-cta{display:none}
  .burger{display:flex}
  section{padding:80px 0}
  .concept-grid,.contact-wrap,.access-info{grid-template-columns:1fr;gap:44px}
  .svc-detail .svc-row,.svc-row.reverse{grid-template-columns:1fr;direction:ltr;gap:36px;margin-bottom:70px}
  .gallery,.works-feature .works-grid{grid-template-columns:1fr}
  .flow-grid,.benefits,.philo-grid,.stats-row{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr;gap:40px}
  .scroll-cue{display:none}
  .hero::before{background:linear-gradient(rgba(13,13,15,.7),rgba(13,13,15,.5))}
}