:root{--navy:#173f5f;--blue:#1769d2;--orange:#ff7a1a;--ink:#171717;--muted:#5a6873;--light:#f5f8fa;--line:#dce6ed;--white:#fff;--header:76px;--shadow:0 18px 50px rgba(23,63,95,.1)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:var(--header)}body{margin:0;color:var(--ink);font-family:"Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;line-height:1.85;background:#fff}body.menu-open{overflow:hidden}img{display:block;max-width:100%;height:auto}a{color:inherit}h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.35;color:var(--navy)}button,input,select,textarea{font:inherit}.container{width:min(1160px,calc(100% - 48px));margin:auto}.section{padding:112px 0}.alt,.services-overview,.contact{background:var(--light)}.skip-link{position:fixed;z-index:1000;left:16px;top:-80px;background:#fff;color:var(--navy);padding:10px 16px}.skip-link:focus{top:10px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.site-header{position:fixed;z-index:100;inset:0 0 auto;height:var(--header);background:var(--navy);color:#fff;box-shadow:0 4px 18px rgba(0,0,0,.12)}.header-inner{height:100%;max-width:1400px;margin:auto;padding:0 28px;display:flex;align-items:center;gap:25px}.brand{display:flex;align-items:center;gap:11px;text-decoration:none;margin-right:auto}.brand-mark{display:grid;place-items:center;width:40px;height:40px;border:1px solid rgba(255,255,255,.65);font:700 24px Georgia,serif;color:var(--orange)}.brand strong,.brand small{display:block}.brand strong{font-size:.94rem}.brand small{font-size:.61rem;letter-spacing:.16em;opacity:.7}.global-nav{display:flex;align-items:center;gap:20px;font-size:.79rem;font-weight:700}.global-nav a{text-decoration:none;white-space:nowrap}.global-nav a:not(.nav-cta):hover{color:#ffd0ae}.nav-cta{padding:11px 16px;border-radius:4px;background:var(--orange)}.menu-toggle{display:none}
.hero{padding-top:var(--header);min-height:780px;display:grid;grid-template-columns:minmax(520px,43%) 1fr;background:#fff}.hero-copy{z-index:2;padding:105px clamp(36px,6vw,110px);padding-right:35px;align-self:center}.hero-image{min-height:704px;background:url("img/00hero-office.webp") center/cover no-repeat}.eyebrow,.section-label,.service-number{font-size:.75rem;letter-spacing:.2em;font-weight:800;color:var(--blue)}.hero h1{font-size:clamp(2.7rem,4.7vw,5rem);letter-spacing:.02em;margin-bottom:24px}.brand-copy{font-size:clamp(1.15rem,1.7vw,1.5rem);font-weight:800;color:var(--blue);letter-spacing:.08em}.hero-copy>p:not(.eyebrow):not(.brand-copy){max-width:650px;color:#394650}.button-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:32px}.button{display:inline-flex;justify-content:center;align-items:center;min-height:52px;padding:12px 23px;border:2px solid var(--orange);border-radius:4px;text-decoration:none;font-weight:800;cursor:pointer}.button-primary{background:var(--orange);color:#fff}.button-outline{background:#fff;color:var(--navy)}.button:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(255,122,26,.2)}
.section-label{margin-bottom:12px}.section h2{font-size:clamp(2rem,4vw,3.6rem);margin-bottom:25px}.section-lead{font-size:clamp(1.45rem,2.7vw,2.35rem);font-weight:800;line-height:1.55;color:var(--navy)}.intro{max-width:830px;color:#44515b}.service-index{margin-top:50px;border-top:1px solid var(--line)}.service-index a{display:grid;grid-template-columns:70px 1fr;align-items:center;padding:20px 10px;border-bottom:1px solid var(--line);text-decoration:none;font-size:clamp(1rem,2vw,1.35rem);font-weight:800}.service-index a:hover{color:var(--blue);padding-left:20px}.service-index span{font-size:.8rem;color:var(--orange);letter-spacing:.15em}
.service-heading{max-width:960px;margin-bottom:55px}.service-heading h2{margin-bottom:18px}.service-catch{font-size:clamp(1.3rem,2.3vw,2rem);font-weight:800;line-height:1.55;color:var(--navy)}.split{display:grid;grid-template-columns:1fr 1.05fr;align-items:center;gap:64px;margin-bottom:58px}.split.reverse>div:first-child{order:2}.split p{color:#3e4b55}.visual img,.equipment-figure img{border-radius:10px;box-shadow:var(--shadow)}.process-inline{display:flex;gap:8px;flex-wrap:wrap;margin-top:25px}.process-inline span,.tag-row span{font-size:.82rem;background:#e9f2ff;color:var(--blue);padding:7px 11px;border-radius:999px;font-weight:700}.equipment-figure{position:relative;margin:0}.equipment-labels span{position:absolute;background:var(--navy);color:#fff;padding:6px 10px;border-radius:3px;font-size:.72rem;font-weight:800;box-shadow:0 3px 10px rgba(0,0,0,.18)}.label-pc{left:6%;top:8%}.label-wifi{left:44%;top:2%}.label-camera{right:5%;top:10%}.label-utm{left:8%;bottom:8%}.label-lan{right:2%;bottom:8%}.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px;margin-bottom:38px}.detail-grid article,.feature-grid article,.implementation{background:#fff;padding:30px;border:1px solid var(--line);border-radius:8px;box-shadow:0 10px 32px rgba(23,63,95,.055)}.alt .detail-grid article,.alt .feature-grid article{background:#fff}.detail-grid h3,.feature-grid h3{font-size:1.08rem}.check-list{padding:0;margin:0;list-style:none}.check-list li{position:relative;padding-left:23px;margin:7px 0}.check-list li:before{content:"";position:absolute;left:0;top:.73em;width:8px;height:8px;border-radius:50%;background:var(--orange)}.columns{columns:2;column-gap:36px}.columns li{break-inside:avoid}.flow{display:flex;align-items:stretch;margin-top:42px;overflow:hidden;border-radius:6px;border:1px solid #bcd1e1}.flow span{position:relative;flex:1;display:grid;place-items:center;min-height:66px;padding:12px 20px;text-align:center;background:#fff;color:var(--navy);font-weight:800;font-size:.84rem;border-right:1px solid #bcd1e1}.flow span:last-child{border-right:0;background:var(--navy);color:#fff}.flow span:not(:last-child):after{content:"";position:absolute;right:-7px;z-index:1;width:13px;height:13px;background:#fff;border-top:1px solid #bcd1e1;border-right:1px solid #bcd1e1;transform:rotate(45deg)}.feature-grid{display:grid;gap:18px;margin:45px 0}.feature-grid.four{grid-template-columns:repeat(4,1fr)}.feature-grid.three{grid-template-columns:repeat(3,1fr)}.feature-grid article{position:relative;padding-top:42px}.feature-grid article:before{content:"";position:absolute;top:0;left:30px;width:42px;height:5px;background:var(--orange)}.feature-grid p{font-size:.92rem;color:#4d5a64}.detail-panel{border:1px solid var(--line);border-radius:8px;background:#fff;margin:30px 0}.detail-panel summary{cursor:pointer;list-style:none;padding:22px 25px;color:var(--navy);font-weight:800}.detail-panel summary:after{content:"＋";float:right;color:var(--orange);font-size:1.4rem}.detail-panel[open] summary:after{content:"－"}.detail-panel>*:not(summary){margin-left:25px;margin-right:25px}.detail-panel>*:last-child{margin-bottom:25px}.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin:30px 0}.implementation ul{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;padding-left:20px}
.cases{background:var(--navy);color:#fff}.cases h2,.cases h3{color:#fff}.cases .section-label{color:#8bbcff}.case-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:45px}.case-grid article{padding:32px;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.055);border-radius:8px}.case-no{font-size:.72rem;color:#ffaf73;letter-spacing:.17em;font-weight:800}.case-grid h3{margin:10px 0 25px}.case-grid dt{color:#ffaf73;font-weight:800;margin-top:17px}.case-grid dd{margin:5px 0;color:#e3edf3;font-size:.9rem}.tags{font-size:.76rem;color:#a9c6d9;margin-top:20px}.reason-list{counter-reset:reason;display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);padding:1px;margin:55px 0 0;list-style:none}.reason-list li{counter-increment:reason;position:relative;background:#fff;padding:45px 38px 38px 90px}.reason-list li:before{content:"0" counter(reason);position:absolute;left:32px;top:39px;color:var(--orange);font-size:1.1rem;font-weight:800}.reason-list p{color:#4c5963}.company{background:#fff}.company-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;margin-top:45px}.company-data{margin:0;border-top:1px solid var(--line)}.company-data div{display:grid;grid-template-columns:100px 1fr;padding:14px 0;border-bottom:1px solid var(--line)}.company-data dt{font-weight:800;color:var(--navy)}.company-data dd{margin:0}.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:25px;margin-top:70px;border-top:2px solid var(--blue)}.timeline article{position:relative;padding-top:30px}.timeline article:before{content:"";position:absolute;top:-7px;width:12px;height:12px;border-radius:50%;background:var(--orange)}.timeline time{font-size:1.35rem;color:var(--blue);font-weight:800}.timeline h3{font-size:1rem;margin:10px 0}.timeline p{font-size:.85rem;color:#53616b}
.contact-layout{display:grid;grid-template-columns:minmax(0,1.65fr) minmax(260px,.65fr);gap:45px;margin-top:50px}.contact-form{display:grid;grid-template-columns:1fr 1fr;gap:20px;background:#fff;padding:38px;border-radius:8px;box-shadow:var(--shadow)}.field.full,.privacy-check.full,.contact-form>.full{grid-column:1/-1}.field label{display:block;font-weight:800;color:var(--navy);margin-bottom:7px}.field label b{font-size:.7rem;color:#fff;background:var(--orange);padding:3px 6px;margin-left:5px}.field label span{font-size:.75rem;color:#6c7880}.field input,.field select,.field textarea{width:100%;border:1px solid #b9c8d2;background:#fff;border-radius:3px;padding:12px}.field input:focus,.field select:focus,.field textarea:focus{outline:3px solid rgba(23,105,210,.18);border-color:var(--blue)}.privacy-check{display:flex;gap:9px}.submit-button{border:0;min-width:260px}.form-note{margin:12px 0 0;color:#b54100;font-weight:700}.contact-aside{background:var(--navy);color:#fff;padding:34px;align-self:start;border-radius:8px}.contact-aside h3{color:#fff}.phone{display:block;color:#fff;font-size:1.8rem;font-weight:800;text-decoration:none;margin-bottom:10px}.contact-aside ol{padding-left:24px}.official-form{display:inline-block;margin-top:15px;color:#fff;text-underline-offset:4px}.site-footer{background:var(--navy);color:#fff;padding:48px 0;text-align:center;border-top:1px solid rgba(255,255,255,.2)}.site-footer a{color:#fff}.footer-brand{font-weight:800;text-decoration:none;font-size:1.2rem}
.reveal{opacity:0;transform:translateY(20px);transition:opacity .7s ease,transform .7s ease}.reveal.is-visible{opacity:1;transform:none}
@media(max-width:1100px){.global-nav{gap:12px;font-size:.73rem}.hero{grid-template-columns:48% 52%}.hero-copy{padding-left:42px}.feature-grid.four{grid-template-columns:1fr 1fr}.timeline{grid-template-columns:1fr 1fr}}
@media(max-width:820px){:root{--header:68px}.container{width:min(100% - 36px,680px)}.section{padding:78px 0}.menu-toggle{display:grid;width:44px;height:44px;padding:10px;border:0;background:transparent}.menu-toggle span:not(.sr-only){height:2px;background:#fff;display:block;margin:3px 0}.global-nav{display:none;position:fixed;inset:var(--header) 0 0;background:var(--navy);padding:25px;overflow:auto;align-content:start}.global-nav.is-open{display:grid}.global-nav a{padding:12px;border-bottom:1px solid rgba(255,255,255,.15);font-size:1rem}.nav-cta{text-align:center;margin-top:10px}.hero{display:flex;flex-direction:column;min-height:auto}.hero-copy{padding:68px 24px 38px;order:1}.hero h1{font-size:clamp(2.45rem,10vw,4rem)}.hero-image{order:2;min-height:0;aspect-ratio:16/9;background-size:cover;background-position:center}.split,.split.reverse{grid-template-columns:1fr;gap:32px}.split.reverse>div:first-child{order:0}.equipment-labels{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:14px}.equipment-labels span{position:static;text-align:center;font-size:.75rem}.equipment-labels span:last-child{grid-column:1/-1}.detail-grid,.case-grid,.reason-list,.company-grid,.contact-layout{grid-template-columns:1fr}.feature-grid.three{grid-template-columns:1fr}.flow{display:grid;grid-template-columns:1fr 1fr}.flow span{border-right:0;border-bottom:1px solid #bcd1e1}.flow span:not(:last-child):after{display:none}.flow span:last-child{grid-column:1/-1}.implementation ul{grid-template-columns:1fr 1fr}.timeline{grid-template-columns:1fr 1fr}.contact-form{grid-template-columns:1fr}.field{grid-column:1/-1}}
@media(max-width:520px){.header-inner{padding:0 16px}.brand strong{font-size:.78rem}.brand small{font-size:.53rem}.brand-mark{width:35px;height:35px}.container{width:calc(100% - 28px)}.section{padding:64px 0}.hero-copy{padding-left:18px;padding-right:18px}.hero h1{font-size:2.35rem}.button-row{display:grid}.button{width:100%}.section-lead br,.service-catch br{display:none}.detail-grid,.feature-grid.four,.feature-grid.three,.timeline{grid-template-columns:1fr}.columns{columns:1}.flow{grid-template-columns:1fr}.flow span:last-child{grid-column:auto}.implementation ul{grid-template-columns:1fr}.reason-list li{padding:32px 22px 28px 65px}.reason-list li:before{left:22px;top:28px}.company-data div{grid-template-columns:1fr;gap:3px}.contact-form{padding:24px 18px}.submit-button{min-width:0;width:100%}.phone{font-size:1.5rem}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.reveal,.reveal.is-visible{opacity:1;transform:none;transition:none}.button:hover{transform:none}}