:root{
  --navy:#0a2647;
  --blue:#144272;
  --blue2:#205295;
  --accent:#2c74b3;
  --gray:#5a6877;
  --light:#f4f7fa;
  --line:#e2e8f0;
  --serif:'Noto Serif JP',serif;
  --sans:'Noto Sans JP',sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:#1a2332;line-height:1.8;background:#fff;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.container{max-width:1140px;margin:0 auto;padding:0 24px}

header{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(8px)}
.nav{display:flex;align-items:center;justify-content:space-between;height:74px}
.logo{font-family:var(--serif);font-weight:700;font-size:1.35rem;color:var(--navy);letter-spacing:.04em}
.logo span{display:block;font-family:var(--sans);font-size:.62rem;color:var(--accent);letter-spacing:.3em;font-weight:500}
.menu{display:flex;gap:30px;list-style:none;font-size:.92rem;font-weight:500}
.menu a{position:relative;padding:4px 0;transition:color .2s}
.menu a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--accent);transition:width .25s}
.menu a:hover{color:var(--accent)}
.menu a:hover::after{width:100%}
.nav-cta{background:var(--navy);color:#fff;padding:11px 22px;border-radius:3px;font-size:.86rem;font-weight:700;transition:background .2s}
.nav-cta:hover{background:var(--accent)}
.burger{display:none;flex-direction:column;gap:5px;cursor:pointer;background:none;border:none}
.burger span{width:26px;height:2px;background:var(--navy)}

section{padding:100px 0}
.sec-head{margin-bottom:56px}
.center-head{text-align:center;max-width:720px;margin-left:auto;margin-right:auto}
.sec-en{display:block;font-size:.8rem;letter-spacing:.3em;color:var(--accent);font-weight:700;margin-bottom:12px}
.sec-en.center{text-align:center}
.sec-title{font-family:var(--serif);font-size:clamp(1.8rem,4vw,2.6rem);font-weight:700;color:var(--navy);line-height:1.4}
.sec-title.center{text-align:center}
.lead{margin-top:20px;color:var(--gray);font-size:1.02rem}

.btn{display:inline-flex;align-items:center;gap:10px;padding:16px 34px;border-radius:3px;font-weight:700;font-size:.95rem;transition:all .25s}
.btn-primary{background:#fff;color:var(--navy)}
.btn-primary:hover{background:var(--accent);color:#fff;transform:translateY(-2px)}

/* Page hero (下層共通) */
.page-hero{margin-top:0;padding:170px 0 70px;background-size:cover;background-position:center;color:#fff}
.ph-en{display:block;font-size:.78rem;letter-spacing:.35em;color:#9ec5e8;margin-bottom:14px;font-weight:600}
.page-hero h1{font-family:var(--serif);font-size:clamp(2rem,5vw,3rem);font-weight:700;margin-bottom:16px}
.breadcrumb{font-size:.84rem;color:#c3d4e6}
.breadcrumb a:hover{color:#fff;text-decoration:underline}

/* Services detail */
.svc-detail .svc-row{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;margin-bottom:80px}
.svc-detail .svc-row:last-child{margin-bottom:0}
.svc-row.reverse{direction:rtl}
.svc-row.reverse>*{direction:ltr}
.svc-img img{width:100%;border-radius:5px;box-shadow:0 16px 40px rgba(10,38,71,.15)}
.svc-no{font-family:var(--serif);font-size:2.6rem;color:var(--accent);font-weight:700;line-height:1}
.svc-info h3{font-family:var(--serif);font-size:1.8rem;color:var(--navy);margin:8px 0 18px;font-weight:700}
.svc-info p{color:var(--gray);margin-bottom:22px}
.svc-list{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:10px}
.svc-list li{position:relative;padding-left:24px;font-size:.92rem;font-weight:500;color:var(--navy)}
.svc-list li::before{content:"";position:absolute;left:0;top:.6em;width:11px;height:11px;background:var(--accent);border-radius:2px;transform:rotate(45deg)}

/* Flow */
.flow-sec{background:var(--light)}
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.flow-step{background:#fff;border-radius:5px;padding:32px 24px;border-top:4px solid var(--accent)}
.fno{font-size:.78rem;letter-spacing:.15em;color:var(--accent);font-weight:700}
.flow-step h4{font-size:1.15rem;color:var(--navy);margin:10px 0 12px}
.flow-step p{font-size:.88rem;color:var(--gray)}

/* CTA */
.cta{position:relative;color:#fff;text-align:center;overflow:hidden}
.cta::before{content:"";position:absolute;inset:0;background:linear-gradient(rgba(10,38,71,.93),rgba(20,66,114,.93)),url('https://images.unsplash.com/photo-1503387837-b154d5074bd2?w=1600&q=80') center/cover;z-index:1}
.cta .container{position:relative;z-index:2}
.cta h2{font-family:var(--serif);font-size:clamp(1.8rem,4vw,2.6rem);font-weight:700;margin-bottom:20px}
.cta p{color:#dbe6f2;margin-bottom:36px;font-size:1.02rem}

/* Works page */
.filter-bar{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-bottom:48px}
.filter-bar button{border:1px solid var(--line);background:#fff;padding:10px 24px;border-radius:30px;font-family:var(--sans);font-size:.88rem;font-weight:500;color:var(--gray);cursor:pointer;transition:all .2s}
.filter-bar button.active,.filter-bar button:hover{background:var(--navy);color:#fff;border-color:var(--navy)}
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.gal-card{border-radius:6px;overflow:hidden;background:#fff;box-shadow:0 8px 24px rgba(10,38,71,.08);transition:all .3s}
.gal-card:hover{transform:translateY(-6px);box-shadow:0 18px 44px rgba(10,38,71,.16)}
.gal-card .imgwrap{aspect-ratio:4/3;overflow:hidden}
.gal-card img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.gal-card:hover img{transform:scale(1.07)}
.gal-card .info{padding:22px}
.gal-card .cat{display:inline-block;font-size:.72rem;letter-spacing:.1em;color:#fff;background:var(--accent);padding:3px 12px;border-radius:3px;margin-bottom:12px}
.gal-card h4{font-size:1.1rem;color:var(--navy);margin-bottom:8px}
.gal-card .meta{font-size:.82rem;color:var(--gray)}

/* Recruit */
.rec-hero-img{width:100%;border-radius:6px;margin-bottom:48px;box-shadow:0 16px 40px rgba(10,38,71,.15)}
.msg-box{background:var(--light);border-left:5px solid var(--accent);padding:40px;border-radius:0 6px 6px 0;margin-bottom:64px}
.msg-box h3{font-family:var(--serif);font-size:1.5rem;color:var(--navy);margin-bottom:18px;line-height:1.6}
.msg-box p{color:var(--gray);margin-bottom:14px}
.job-table{width:100%;border-collapse:collapse;margin-top:20px}
.job-table th,.job-table td{text-align:left;padding:18px 20px;border-bottom:1px solid var(--line);font-size:.94rem;vertical-align:top}
.job-table th{width:30%;background:var(--light);color:var(--navy);font-weight:700}
.benefits{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:20px}
.benefit{background:#fff;border:1px solid var(--line);border-radius:6px;padding:26px;text-align:center}
.benefit h4{color:var(--navy);margin-bottom:8px;font-size:1.05rem}
.benefit p{font-size:.86rem;color:var(--gray)}

/* Company */
.profile-table{width:100%;border-collapse:collapse}
.profile-table th,.profile-table td{text-align:left;padding:20px;border-bottom:1px solid var(--line);font-size:.95rem}
.profile-table th{width:28%;color:var(--navy);font-weight:700;background:var(--light)}
.history-list{list-style:none;margin-top:10px}
.history-list li{display:grid;grid-template-columns:120px 1fr;gap:20px;padding:18px 0;border-bottom:1px dashed var(--line)}
.history-list .year{font-family:var(--serif);font-weight:700;color:var(--accent)}
.philo-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:10px}
.philo{background:var(--navy);color:#fff;padding:34px 28px;border-radius:6px}
.philo .pn{font-family:var(--serif);color:#9ec5e8;font-size:.85rem;letter-spacing:.1em}
.philo h4{font-size:1.2rem;margin:8px 0 12px}
.philo p{font-size:.88rem;color:#c3d4e6}

/* Access */
.map-frame{width:100%;height:420px;border:0;border-radius:6px;box-shadow:0 12px 34px rgba(10,38,71,.14);filter:grayscale(.2)}
.access-info{display:grid;grid-template-columns:1fr 1fr;gap:48px;margin-top:48px;align-items:start}
.access-info h3{font-family:var(--serif);color:var(--navy);font-size:1.3rem;margin-bottom:18px}
.access-list{list-style:none}
.access-list li{display:grid;grid-template-columns:110px 1fr;padding:14px 0;border-bottom:1px solid var(--line);font-size:.92rem}
.access-list .lbl{color:var(--accent);font-weight:700}

/* Contact */
.contact-wrap{display:grid;grid-template-columns:1fr 1.3fr;gap:56px;align-items:start}
.contact-aside h3{font-family:var(--serif);color:var(--navy);font-size:1.4rem;margin-bottom:18px}
.contact-aside p{color:var(--gray);margin-bottom:24px;font-size:.94rem}
.tel-box{background:var(--light);border-radius:6px;padding:28px;text-align:center}
.tel-box .lbl{font-size:.82rem;color:var(--gray)}
.tel-box .num{font-family:var(--serif);font-size:2rem;color:var(--navy);font-weight:700;margin:6px 0}
.tel-box .hours{font-size:.82rem;color:var(--gray)}
.form-field{margin-bottom:22px}
.form-field label{display:block;font-size:.9rem;font-weight:700;color:var(--navy);margin-bottom:8px}
.form-field label .req{color:#c0392b;font-size:.78rem;margin-left:6px}
.form-field input,.form-field textarea,.form-field select{width:100%;padding:14px 16px;border:1px solid var(--line);border-radius:4px;font-family:var(--sans);font-size:.95rem;background:#fbfcfe;transition:border .2s}
.form-field input:focus,.form-field textarea:focus,.form-field select:focus{outline:none;border-color:var(--accent)}
.form-submit{background:var(--navy);color:#fff;border:none;padding:18px 50px;border-radius:4px;font-family:var(--sans);font-size:1rem;font-weight:700;cursor:pointer;transition:all .25s;width:100%}
.form-submit:hover{background:var(--accent)}
.form-note{font-size:.82rem;color:var(--gray);margin-top:16px;text-align:center}

/* Footer */
footer{background:#071a33;color:#aeb9c7;padding:70px 0 30px;font-size:.9rem}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;margin-bottom:50px}
.foot-logo{font-family:var(--serif);font-size:1.4rem;color:#fff;margin-bottom:16px;font-weight:700}
.foot-col h5{color:#fff;font-size:.95rem;margin-bottom:18px;letter-spacing:.05em}
.foot-col ul{list-style:none}
.foot-col li{margin-bottom:11px}
.foot-col a:hover{color:#9ec5e8}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:24px;text-align:center;font-size:.8rem;color:#6b7888}
.foot-note{background:#fef3cd;color:#7a5d00;text-align:center;padding:10px;font-size:.8rem;letter-spacing:.05em}

/* ===== トップページ固有 ===== */
.hero{position:relative;height:100vh;min-height:620px;display:flex;align-items:center;color:#fff;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(110deg,rgba(10,38,71,.92) 0%,rgba(20,66,114,.7) 55%,rgba(32,82,149,.35) 100%);z-index:2}
.hero-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:1}
.hero-content{position:relative;z-index:3}
.hero-tag{display:inline-block;font-size:.8rem;letter-spacing:.35em;color:#9ec5e8;border-left:3px solid var(--accent);padding-left:14px;margin-bottom:28px;font-weight:500}
.hero h1{font-family:var(--serif);font-size:clamp(2.4rem,6vw,4.3rem);font-weight:700;line-height:1.4;letter-spacing:.02em;text-shadow:0 2px 20px rgba(0,0,0,.3)}
.hero h1 .em{color:#9ec5e8}
.hero p{margin-top:26px;font-size:1.05rem;max-width:540px;line-height:2;color:#e8eef5}
.hero-btns{margin-top:40px;display:flex;gap:16px;flex-wrap:wrap}
.btn-outline{border:1.5px solid rgba(255,255,255,.7);color:#fff}
.btn-outline:hover{background:#fff;color:var(--navy)}
.scroll-cue{position:absolute;bottom:30px;left:50%;transform:translateX(-50%);z-index:3;font-size:.7rem;letter-spacing:.3em;color:#9ec5e8;writing-mode:vertical-rl;display:flex;align-items:center;gap:12px}
.scroll-cue::after{content:"";width:1px;height:50px;background:linear-gradient(#9ec5e8,transparent);animation:scrolldown 1.8s infinite}
@keyframes scrolldown{0%{opacity:0;transform:scaleY(0);transform-origin:top}50%{opacity:1}100%{opacity:0;transform:scaleY(1);transform-origin:bottom}}
.intro{background:var(--light)}
.intro-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.intro-text h2{font-family:var(--serif);font-size:clamp(1.6rem,3.5vw,2.2rem);color:var(--navy);line-height:1.6;margin-bottom:28px;font-weight:700}
.intro-text p{color:var(--gray);margin-bottom:18px}
.intro-img{position:relative}
.intro-img img{border-radius:4px;box-shadow:0 20px 50px rgba(10,38,71,.18)}
.intro-img::before{content:"";position:absolute;top:-20px;left:-20px;width:120px;height:120px;border-top:4px solid var(--accent);border-left:4px solid var(--accent);z-index:-1}
.stats{background:var(--navy);color:#fff}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;text-align:center}
.stat-num{font-family:var(--serif);font-size:3rem;font-weight:700;color:#9ec5e8;line-height:1}
.stat-num small{font-size:1.2rem}
.stat-label{margin-top:12px;font-size:.9rem;color:#c3d4e6;letter-spacing:.05em}
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.svc-card{border:1px solid var(--line);border-radius:5px;overflow:hidden;transition:all .3s;background:#fff}
.svc-card:hover{transform:translateY(-6px);box-shadow:0 18px 40px rgba(10,38,71,.13)}
.svc-card .num{font-family:var(--serif);font-size:.9rem;color:var(--accent);font-weight:700;letter-spacing:.1em}
.svc-card .body{padding:32px 28px}
.svc-card h3{font-size:1.25rem;color:var(--navy);margin:10px 0 14px;font-weight:700}
.svc-card p{font-size:.92rem;color:var(--gray)}
.svc-bar{height:5px;background:linear-gradient(90deg,var(--navy),var(--accent))}
.works{background:var(--light)}
.works-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.work-card{position:relative;border-radius:5px;overflow:hidden;aspect-ratio:4/3;cursor:pointer}
.work-card img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.work-card:hover img{transform:scale(1.08)}
.work-card .overlay{position:absolute;inset:0;background:linear-gradient(transparent 40%,rgba(10,38,71,.88));display:flex;flex-direction:column;justify-content:flex-end;padding:24px;color:#fff}
.work-card .cat{font-size:.72rem;letter-spacing:.15em;color:#9ec5e8;margin-bottom:6px}
.work-card h4{font-size:1.1rem;font-weight:700}
.center-btn{text-align:center;margin-top:48px}
.btn-dark{background:var(--navy);color:#fff;display:inline-flex;padding:16px 40px;border-radius:3px;font-weight:700;transition:all .25s}
.btn-dark:hover{background:var(--accent);transform:translateY(-2px)}
@media(max-width:860px){
  .intro-grid{grid-template-columns:1fr;gap:36px}
  .svc-grid,.works-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:40px 20px}
  .scroll-cue{display:none}
}

.reveal{opacity:0;transform:translateY(30px);transition:all .8s cubic-bezier(.2,.8,.2,1)}
.reveal.show{opacity:1;transform:none}

@media(max-width:860px){
  .menu,.nav-cta{display:none}
  .burger{display:flex}
  section{padding:64px 0}
  .svc-detail .svc-row,.svc-row.reverse{grid-template-columns:1fr;direction:ltr;gap:28px;margin-bottom:54px}
  .flow-grid,.gallery,.benefits,.philo-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr;gap:36px}
  .access-info,.contact-wrap{grid-template-columns:1fr;gap:32px}
  .svc-list{grid-template-columns:1fr}
  .page-hero{padding:130px 0 56px}
}