:root{--navy:#054161;--ink:#132d3d;--blue:#08769a;--muted:#576b77;--line:#d8e2e8;--pale:#f0f5f8;--white:#fff}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:110px}body{margin:0;color:var(--ink);background:#fff;font-family:"Noto Sans JP","Yu Gothic",Meiryo,sans-serif;font-size:16px;line-height:1.9}a{color:inherit;text-decoration:none}button{font:inherit}img{max-width:100%;display:block}a:focus-visible,button:focus-visible{outline:3px solid #dd941e;outline-offset:6px}a{transition:color .2s}a:hover{color:var(--blue)}.skip{position:fixed;top:-80px;left:20px;background:white;padding:12px;z-index:100}.skip:focus{top:10px}.header{height:100px;padding:15px 4.5%;display:flex;align-items:center;justify-content:space-between;gap:25px;border-bottom:1px solid var(--line);background:#fff;position:sticky;top:0;z-index:10}.brand img{width:132px;height:auto}.header nav{display:flex;align-items:center;gap:26px;font-size:14px;font-weight:600}.nav-contact{background:var(--navy);color:white;padding:14px 20px}.nav-contact:hover{background:#086086;color:white}.nav-contact span{margin-left:16px}.menu-toggle{display:none}.hero{position:relative;min-height:660px;display:grid;grid-template-columns:57% 43%;padding:0 0 58px;background:var(--pale)}.hero-copy{padding:90px 5% 60px 8%;align-self:center;z-index:1}.eyebrow,.section-label>span{font-family:Arial,sans-serif;font-size:13px;letter-spacing:.16em;font-weight:600;color:var(--blue)}h1{font-size:clamp(36px,4.15vw,64px);font-weight:700;line-height:1.55;letter-spacing:-.045em;margin:23px 0 26px;word-break:normal}.nowrap{white-space:nowrap}.hero-lead{font-size:18px;line-height:2.1;color:#3d5462}.text-link{display:inline-flex;align-items:center;gap:48px;font-weight:600;font-size:15px;border-bottom:1px solid var(--navy);padding:14px 0 12px;margin-top:24px}.text-link span{font-size:23px;font-weight:400}.hero-photo{position:relative;overflow:hidden;min-height:555px}.hero-photo>img{position:absolute;width:100%;height:100%;object-fit:cover;object-position:center 52%}.photo-caption{position:absolute;bottom:0;left:0;right:0;padding:40px 30px 24px;color:white;background:linear-gradient(transparent,rgba(0,30,40,.75));font-size:15px;letter-spacing:.1em}.hero-bottom{position:absolute;left:4.5%;right:4.5%;bottom:0;height:58px;display:flex;justify-content:space-between;align-items:center;font:11px Arial,sans-serif;letter-spacing:.14em}.hero-bottom a{font-size:11px}.section{padding:110px 7%;scroll-margin-top:0}.mission{display:grid;grid-template-columns:27% 73%;gap:0}.section-label p{font-size:16px;font-weight:600;margin:8px 0}.section h2{font-size:clamp(27px,3vw,42px);line-height:1.65;letter-spacing:-.035em;margin:0 0 28px}.section h2 em{font-style:normal;color:var(--blue)}p{margin:0 0 18px}.body-large{font-size:19px;line-height:2}.mission>div:last-child>p:last-child{color:var(--muted);margin-top:24px}.section-head{display:flex;justify-content:space-between;align-items:end;margin-bottom:56px;gap:24px}.section-head h2{margin:14px 0 0}.section-head>p{color:var(--muted);max-width:460px;margin:0}.services{background:var(--pale)}.service{border-top:1px solid #b9cbd6;padding:44px 0 55px}.service:last-child{padding-bottom:0}.service-title{display:flex;gap:24px;align-items:baseline;margin-bottom:28px}.service-number{font:italic 22px Georgia,serif;color:var(--blue)}h3{font-size:25px;line-height:1.65;margin:0;letter-spacing:-.02em}.service-sub{font:12px Arial,sans-serif;letter-spacing:.12em;color:var(--muted);margin:8px 0 0}.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:35px;padding-left:49px}.service-grid h4,.energy-text h4,.security-grid h4{font-size:18px;line-height:1.6;margin:0 0 14px}.service-grid p,.energy-text p,.security-grid p{color:var(--muted);font-size:15px}.service-grid ul{padding-left:20px;color:var(--muted);font-size:14px;line-height:2}.energy{display:grid;grid-template-columns:1fr 1fr;gap:45px;padding-left:49px}.energy-photo{height:420px;width:100%;object-fit:cover;object-position:center 65%}.energy-text>div+div{border-top:1px solid var(--line);padding-top:20px;margin-top:20px}.security-grid{display:grid;grid-template-columns:1fr 1fr;gap:45px;padding-left:49px}.approaches{display:grid;grid-template-columns:1fr 1fr;column-gap:65px}.approach{padding:28px 0;border-top:1px solid var(--line);display:grid;grid-template-columns:40px 1fr;gap:15px}.approach>span{color:var(--blue);font:16px Arial;padding-top:6px}.approach h3{font-size:19px;margin-bottom:14px}.approach p{color:var(--muted);font-size:15px;margin:0}.experience{background:var(--navy);color:white}.experience .section-label>span{color:#8dccdf}.experience .section-head>p{color:#d0e0e9}.stats{display:grid;grid-template-columns:repeat(3,1fr);margin-top:64px}.stat{padding:0 28px;border-left:1px solid #53798f}.stat:first-child{padding-left:0;border:0}.stat-label{font-size:15px;color:#c6dae5;margin-bottom:14px}.stat strong{display:block;font:64px/1.2 Arial,sans-serif;letter-spacing:-.04em;margin:12px 0 20px}.stat strong small{font:24px "Yu Gothic",sans-serif;letter-spacing:0;margin-left:8px}.stat p{font-size:15px;color:#d0e0e9}.career{display:grid;grid-template-columns:1fr 1fr;gap:65px;border-top:1px solid #53798f;padding-top:42px;margin-top:34px}.career h3{font-size:20px;margin-bottom:14px}.career p{color:#d0e0e9;font-size:15px}.company{display:grid;grid-template-columns:35% 65%}.company dl{margin:0}.company dl>div{display:grid;grid-template-columns:110px 1fr;gap:24px;padding:22px 0;border-bottom:1px solid var(--line)}.company dl>div:first-child{border-top:1px solid var(--line)}dt{color:var(--muted);font-size:14px}dd{margin:0}dd small{color:var(--muted);font-size:14px}.contact{background:var(--pale);display:flex;justify-content:space-between;align-items:center;gap:40px;padding-top:70px;padding-bottom:70px}.contact h2{margin:12px 0 12px}.contact p{margin:0;color:var(--muted)}.email-link{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:22px 0;border-bottom:1px solid var(--navy);font:clamp(20px,2.6vw,36px) Arial,sans-serif}.email-note{font-size:13px;color:var(--muted);margin-top:12px!important}footer{padding:35px 7%;display:flex;align-items:center;justify-content:space-between;gap:20px;font-size:13px}footer>a:first-child{font:bold 20px Arial,sans-serif;letter-spacing:.08em;color:var(--navy)}footer p{margin:0;color:var(--muted)}@media(min-width:1600px){body{max-width:1800px;margin:auto}}@media(max-width:1100px){.header nav{gap:15px;font-size:13px}.header{padding:15px 3%}.nav-contact{padding:12px}.brand img{width:115px}.hero-copy{padding-left:7%}.hero{min-height:580px}.hero-photo{min-height:510px}.section{padding:80px 6%}.service-grid{gap:22px}.stat strong{font-size:52px}}@media(max-width:850px){html{scroll-padding-top:86px}.header{height:82px;padding:12px 5%}.brand img{width:105px}.menu-toggle{display:flex;gap:18px;align-items:center;border:1px solid var(--line);color:var(--navy);background:#fff;padding:7px 12px;font-size:14px}.menu-toggle span{font-size:20px}.header nav{display:none;position:absolute;left:0;right:0;top:82px;background:white;padding:20px 6%;border-bottom:1px solid var(--line);box-shadow:0 12px 16px #132d3d0d}.header nav.open{display:flex;flex-direction:column;align-items:stretch;gap:0}.header nav a{padding:12px 10px;font-size:15px}.hero{grid-template-columns:1fr 40%;min-height:530px}.hero-copy{padding:55px 5% 55px 8%}h1{font-size:36px}.hero-lead{font-size:16px}.hero-photo{min-height:455px}.hero-bottom{letter-spacing:.04em}.mission{grid-template-columns:1fr;gap:28px}.section-head{display:block}.section-head>p{margin-top:22px}.service-grid{padding-left:0;gap:20px}.energy,.security-grid{padding-left:0;gap:25px}.approaches{column-gap:32px}.company{grid-template-columns:1fr;gap:30px}.contact{align-items:start;flex-direction:column;gap:30px}.contact>div:last-child{width:100%}}@media(max-width:600px){.hero{display:flex;flex-direction:column;padding-bottom:46px}.hero-copy{padding:42px 6% 36px}.eyebrow{font-size:12px}h1{font-size:35px;line-height:1.6;margin:18px 0 20px}.hero-lead{line-height:1.9}.text-link{margin-top:12px}.hero-photo{min-height:255px;height:255px;margin-left:6%}.hero-photo>img{object-position:center 56%}.photo-caption{font-size:13px;padding:30px 18px 16px}.hero-bottom{height:46px;left:6%;right:6%;font-size:10px}.hero-bottom a{font-size:10px;letter-spacing:0}.section{padding:62px 6%}.section h2{font-size:28px}.body-large{font-size:17px}.desktop{display:none}.section-head{margin-bottom:35px}.service-title{gap:16px}.service-title h3{font-size:23px}.service-grid,.energy,.security-grid,.approaches,.career,.stats{grid-template-columns:1fr}.service-grid{gap:20px}.service-grid>div+div{padding-top:23px;border-top:1px solid var(--line)}.service{padding:30px 0 40px}.service-grid p,.energy-text p,.security-grid p,.approach p,.career p{font-size:16px}.energy-photo{height:260px}.security-grid{gap:20px}.security-grid>div+div{border-top:1px solid var(--line);padding-top:24px}.approach{padding:24px 0}.stats{margin-top:35px}.stat,.stat:first-child{border-left:0;border-top:1px solid #53798f;padding:25px 0 16px}.stat strong{font-size:60px;margin:10px 0 15px}.career{gap:22px;margin-top:15px;padding-top:28px}.company dl>div{grid-template-columns:72px 1fr;gap:15px;padding:20px 0}dd{font-size:15px;overflow-wrap:anywhere}footer{flex-wrap:wrap;padding:30px 6%;font-size:12px}footer>a:last-child{width:100%;margin-top:5px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}a{transition:none}}