:root{--blue:#0a2f8f;--blue2:#1349aa;--light:#f4f7fc;--line:#dfe5ef;--text:#172033;--muted:#5d6675}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Noto Sans JP","Yu Gothic",Meiryo,sans-serif;color:var(--text);background:#fff;line-height:1.65}a{color:inherit}.site-header{position:sticky;top:0;z-index:100;background:#fff;border-bottom:1px solid var(--line)}.header-inner{max-width:1180px;margin:auto;height:82px;padding:10px 24px;display:flex;align-items:center;gap:28px}.brand{display:flex;align-items:center;text-decoration:none;min-width:250px}.brand img{width:52px;height:52px;object-fit:contain;margin-right:10px}.brand-name{color:var(--blue);font-weight:800;font-size:27px;letter-spacing:.2px;line-height:1}.brand-tag{display:block;font-size:7px;color:#555;margin-top:5px;white-space:nowrap}.nav{margin-left:auto;display:flex;align-items:center;gap:28px}.nav a{position:relative;text-decoration:none;font-size:13px;font-weight:700;padding:28px 0}.nav a.active{color:var(--blue)}.nav a.active:after{content:"";position:absolute;height:2px;background:var(--blue);left:0;right:0;bottom:12px}.nav .contact-link{padding:11px 17px;background:var(--blue);color:#fff;border-radius:4px}.nav .contact-link:after{display:none}.menu-toggle{display:none;margin-left:auto;border:0;background:var(--blue);color:#fff;padding:10px 16px;border-radius:6px;font-weight:800;letter-spacing:.06em;font-size:13px;cursor:pointer}
.hero{min-height:430px;background:url('assets/hero.jpg') center/cover no-repeat;display:flex;align-items:center}.hero-inner{max-width:1180px;width:100%;margin:auto;padding:52px 28px}.hero-copy{max-width:530px}.hero h1{font-size:44px;line-height:1.25;color:var(--blue);margin:0 0 18px}.hero p{font-weight:700;color:#173c77;margin-bottom:25px}.btn{display:inline-block;text-decoration:none;background:var(--blue);color:#fff;padding:12px 24px;border-radius:4px;font-weight:700;border:0;cursor:pointer}.container{max-width:1180px;margin:auto;padding:48px 24px}.page-head{padding:28px 0 8px}.page-head h1,.section-title{font-size:31px;color:var(--blue);margin:0 0 14px}.center{text-align:center}.lead{text-align:center;max-width:760px;margin:0 auto 30px;color:#333}.blue-rule{height:10px;background:var(--blue);margin-top:34px}
.service-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:10px}.mini-card{border:1px solid var(--line);padding:20px 12px;text-align:center;min-height:140px;background:#fff}.mini-icon{font-size:34px;color:var(--blue);height:45px}.mini-card h3{font-size:14px;color:#111;margin:8px 0}.mini-card p{font-size:11px;margin:0;color:#444}.split-teasers{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:24px}.teaser{border:1px solid var(--line);display:grid;grid-template-columns:1fr 1fr;min-height:180px}.teaser-copy{padding:24px}.teaser img{width:100%;height:100%;object-fit:cover}
.service-list{border:1px solid var(--line);border-radius:4px;overflow:hidden}.service-row{display:grid;grid-template-columns:180px 1fr;gap:24px;padding:12px;border-bottom:1px solid var(--line);align-items:center}.service-row:last-child{border-bottom:0}.service-row img{width:180px;height:100px;object-fit:cover;border-radius:4px}.service-row h2{font-size:20px;color:var(--blue);margin:0 0 4px}.service-row p{margin:0;font-size:14px}
.works-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px 20px}.work-card{text-align:center}.work-card img{width:100%;height:185px;object-fit:cover;border-radius:4px}.work-card h3{font-size:16px;margin:9px 0 0}.work-note{text-align:center;margin-top:28px}
.company-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:38px}.info-table{border:1px solid var(--line)}.info-row{display:grid;grid-template-columns:150px 1fr;border-bottom:1px solid var(--line)}.info-row:last-child{border-bottom:0}.info-row strong{padding:10px 14px;color:var(--blue);background:#f6f8fb}.info-row span{padding:10px 14px}.map-box{border:1px solid var(--line);background:#fff}.map-box iframe{display:block;width:100%;height:405px;border:0}.map-address{padding:18px;font-size:17px}.greeting{margin-top:34px}.greeting h2{color:var(--blue)}
.recruit-hero{background:linear-gradient(90deg,#0b2f8f 0,#0f52aa 55%,rgba(13,66,145,.2) 100%),url('assets/recruit-hero.jpg') right center/50% 100% no-repeat;color:#fff;padding:24px 28px;min-height:190px}.recruit-hero h1{font-size:34px;margin:0 0 8px}.badges span{display:inline-block;background:#fff;color:var(--blue);font-weight:800;font-size:12px;padding:5px 10px;border-radius:3px;margin-right:8px}.features{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-top:0}.feature{text-align:center;padding:24px 14px;border-right:1px solid var(--line)}.feature:last-child{border-right:0}.feature-icon{font-size:34px;color:var(--blue)}.feature h3{color:var(--blue);font-size:16px}.feature p{font-size:13px}.recruit-table{border:1px solid var(--line);margin-top:18px}.recruit-row{display:grid;grid-template-columns:160px 1fr;border-bottom:1px solid var(--line)}.recruit-row:last-child{border-bottom:0}.recruit-row strong{padding:10px 14px;color:var(--blue);background:#f7f9fc}.recruit-row span{padding:10px 14px}
.contact-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:30px}.contact-cards{display:grid;gap:20px}.contact-card{border:1px solid var(--line);padding:28px;text-align:center}.contact-card h2{color:var(--blue);font-size:18px}.contact-big{font-size:29px;color:var(--blue);font-weight:800}.form{border:1px solid var(--line);padding:26px}.form h2{text-align:center;color:var(--blue);font-size:18px}.form-row{display:grid;grid-template-columns:150px 1fr;align-items:center;margin-bottom:12px}.form-row label{font-weight:700;font-size:13px}.form input,.form textarea{width:100%;padding:10px;border:1px solid #cfd6e2;font:inherit}.form textarea{min-height:150px}.form .btn{display:block;width:65%;margin:18px auto 0}.footer{border-top:10px solid var(--blue);padding:14px 24px;color:#777;font-size:11px;text-align:center;margin-top:36px}
@media(max-width:820px){.header-inner{height:auto;min-height:70px;padding:8px 16px}.brand{min-width:0}.brand img{width:44px;height:44px}.brand-name{font-size:21px}.brand-tag{font-size:6px}.menu-toggle{display:block}.nav{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;border-top:1px solid var(--line);padding:8px 16px 16px;flex-direction:column;align-items:stretch;gap:0;box-shadow:0 8px 18px rgba(0,0,0,.08)}.nav.open{display:flex}.nav a{padding:12px 6px;border-bottom:1px solid #eef1f6}.nav a.active:after{display:none}.nav .contact-link{text-align:center;margin-top:8px}.hero{min-height:370px;background-position:64% center}.hero-inner{padding:35px 20px}.hero-copy{max-width:58%}.hero h1{font-size:30px}.hero p{font-size:13px}.container{padding:34px 16px}.service-grid{grid-template-columns:1fr 1fr}.service-grid .mini-card:last-child{grid-column:1/-1}.split-teasers{grid-template-columns:1fr}.service-row{grid-template-columns:110px 1fr;gap:12px}.service-row img{width:110px;height:84px}.service-row h2{font-size:17px}.works-grid{grid-template-columns:1fr 1fr}.work-card img{height:145px}.company-grid,.contact-grid{grid-template-columns:1fr}.features{grid-template-columns:1fr 1fr}.feature:nth-child(2){border-right:0}.feature{border-bottom:1px solid var(--line)}.recruit-row,.info-row{grid-template-columns:110px 1fr}.form-row{grid-template-columns:1fr}.form-row label{margin-bottom:5px}.map-box iframe{height:320px}}
@media(max-width:520px){.hero-copy{max-width:70%}.service-grid,.works-grid{grid-template-columns:1fr}.service-row{grid-template-columns:1fr}.service-row img{width:100%;height:150px}.features{grid-template-columns:1fr}.feature{border-right:0}.recruit-row,.info-row{grid-template-columns:1fr}.recruit-row strong,.info-row strong{padding-bottom:3px}.recruit-row span,.info-row span{padding-top:3px}}

/* Top-page hero animation */
.hero{overflow:hidden;position:relative;animation:heroFade 1s ease-out both;background-size:cover}
.hero:before{content:"";position:absolute;inset:0;background:inherit;background-size:cover;background-position:center;transform:scale(1.02);animation:heroZoom 12s ease-out both;z-index:0}
.hero-inner{position:relative;z-index:1}
.hero-copy h1{animation:copyFadeUp .9s .25s ease-out both}
.hero-copy p{animation:copyFadeUp .9s .45s ease-out both}
.hero-copy .btn{animation:copyFadeUp .9s .65s ease-out both}
@keyframes heroFade{from{opacity:.15}to{opacity:1}}
@keyframes heroZoom{from{transform:scale(1.08)}to{transform:scale(1.02)}}
@keyframes copyFadeUp{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:translateY(0)}}
@media (prefers-reduced-motion: reduce){.hero,.hero:before,.hero-copy h1,.hero-copy p,.hero-copy .btn{animation:none!important}}