.wiring-case{--wc-ink:#173044;--wc-muted:#526570;--wc-line:#d8e3e5;--wc-teal:#125c58;color:var(--wc-ink);background:#fff}
.wiring-case *{box-sizing:border-box}.wiring-case .container{max-width:1200px}.wiring-case a:focus-visible,.wiring-case summary:focus-visible{outline:3px solid #b27619;outline-offset:5px}.wiring-case img{display:block;max-width:100%;height:auto}.wiring-case figure{margin:0}.wiring-case p{line-height:1.9}.wiring-case section[id]{scroll-margin-top:110px}.wiring-case h1,.wiring-case h2,.wiring-case h3{color:var(--wc-ink)}
.wc-hero{background:#f0f5f3;border-bottom:1px solid var(--wc-line);padding:26px 0 54px}.wc-breadcrumb{display:flex;gap:8px;flex-wrap:wrap;font-size:13px;color:var(--wc-muted);margin-bottom:38px}.wc-breadcrumb a{text-decoration:underline;text-underline-offset:4px}.wc-hero-grid{display:grid;grid-template-columns:1fr 1.08fr;align-items:center;gap:46px}.wc-kicker{font-size:13px;font-weight:800;letter-spacing:.1em;color:var(--wc-teal);margin:0 0 14px}.wc-heading h1{font-size:clamp(30px,3.3vw,46px);line-height:1.35;letter-spacing:-.025em;margin:0 0 22px}.wc-lead{font-size:18px;color:#425964;margin:0 0 20px;max-width:32em}.wc-byline{font-size:13px;color:var(--wc-muted);margin:0 0 24px}.wc-byline span{padding:0 6px}.wc-actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap}.wc-text-link{display:inline-block;font-weight:750;color:var(--wc-teal);text-decoration:underline;text-underline-offset:5px}.wc-cover{background:#fff;border-radius:14px;overflow:hidden;box-shadow:0 12px 36px #17304412}.wc-cover img{width:100%}.wiring-case figcaption{padding:14px 17px;color:var(--wc-muted);font-size:13px;line-height:1.75}.wiring-case figcaption span{display:block;color:var(--wc-teal);font-weight:800;letter-spacing:.04em;margin-bottom:3px}
.wc-content{padding-bottom:56px}.wc-toc{display:flex;align-items:center;gap:25px;flex-wrap:wrap;padding:23px 0;border-bottom:1px solid var(--wc-line);font-size:14px}.wc-toc span{font-size:12px;color:var(--wc-muted)}.wc-toc a{font-weight:700;text-decoration:underline;text-underline-offset:5px}.wc-section{padding:54px 0;border-bottom:1px solid var(--wc-line)}.wiring-case h2{font-size:clamp(25px,2.6vw,34px);line-height:1.45;margin:0 0 20px;letter-spacing:-.02em}.wc-intro{font-size:17px;max-width:56em;margin:0 0 27px;color:#425964}.wc-scope-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.wc-scope-card{padding:25px;border:1px solid var(--wc-line);border-radius:10px;background:#f9fbfa}.wc-number{color:var(--wc-teal);font-size:13px;letter-spacing:.08em;font-weight:800}.wc-scope-card h3{font-size:20px;margin:10px 0}.wc-scope-card p{margin:0;color:var(--wc-muted);font-size:16px}.wc-note{color:var(--wc-muted);font-size:14px;border-left:3px solid #8eb2a9;padding-left:16px;margin:23px 0 0}
.wc-photo-section{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:52px;align-items:center}.wc-work-photo{border:1px solid var(--wc-line);border-radius:10px;overflow:hidden;background:#f6f8f7}.wc-work-photo img{width:100%}.wc-photo-copy>p:not(.wc-kicker){font-size:17px;color:#425964}.wc-photo-limit{border-top:1px solid var(--wc-line);margin-top:25px;padding-top:22px}.wc-photo-limit h3{font-size:17px;margin:0 0 10px}.wc-photo-limit p{font-size:14px;color:var(--wc-muted);margin:0}.wc-cost-list{margin:25px 0}.wc-cost-list>div{display:grid;grid-template-columns:230px minmax(0,1fr);gap:28px;padding:20px 0;border-top:1px solid var(--wc-line)}.wc-cost-list dt{font-weight:800;line-height:1.7}.wc-cost-list dd{margin:0;color:var(--wc-muted);line-height:1.8}
.wc-faq{border-top:1px solid var(--wc-line);margin-top:26px}.wc-faq details{border-bottom:1px solid var(--wc-line)}.wc-faq summary{position:relative;padding:22px 45px 22px 4px;font-size:17px;font-weight:750;cursor:pointer;list-style:none;line-height:1.7}.wc-faq summary::-webkit-details-marker{display:none}.wc-faq summary:after{content:'＋';position:absolute;right:8px;top:20px;color:var(--wc-teal);font-size:22px}.wc-faq details[open] summary:after{content:'−'}.wc-faq details[open] summary{color:var(--wc-teal)}.wc-faq details>div{max-width:58em;padding:0 30px 20px 4px;color:var(--wc-muted)}.wc-faq p{margin:0}.wc-inquiry{margin-top:54px;border-radius:14px;padding:34px;background:#eef5f1;display:grid;grid-template-columns:minmax(0,1fr) 235px;gap:34px;align-items:center}.wc-inquiry h2{font-size:28px}.wc-inquiry p:not(.wc-kicker){margin:12px 0 0;color:#425964}.wc-inquiry .wc-inquiry-hint{font-size:13px}.wc-inquiry-actions{display:grid;gap:12px}.wc-inquiry-actions .btn{white-space:normal;text-align:center}.wc-source-note{padding-top:26px;font-size:12px;color:#526570}.wc-source-note p{margin:6px 0}
@media(max-width:900px){.wc-hero-grid{gap:26px;grid-template-columns:1fr 1fr}.wc-heading h1{font-size:33px}.wc-wide-break{display:none}.wc-photo-section{gap:30px}.wc-scope-grid{gap:12px}.wc-scope-card{padding:19px}.wc-inquiry{grid-template-columns:1fr}.wc-inquiry-actions{grid-template-columns:1fr 1fr}.wc-cost-list>div{grid-template-columns:190px minmax(0,1fr)}}
@media(max-width:640px){.wiring-case .container{width:calc(100% - 36px)}.wc-hero{padding:20px 0 30px}.wc-breadcrumb{font-size:11px;margin-bottom:25px;gap:5px}.wc-hero-grid,.wc-photo-section,.wc-scope-grid{grid-template-columns:1fr}.wc-heading h1{font-size:31px}.wc-lead{font-size:16px}.wc-hero-grid{gap:27px}.wc-actions{gap:17px}.wc-actions .btn{font-size:14px}.wc-toc{gap:14px 19px;font-size:13px;padding:20px 0}.wc-toc span{width:100%}.wc-section{padding:37px 0}.wc-intro{font-size:16px}.wc-scope-grid{gap:13px}.wc-scope-card{padding:20px}.wc-photo-section{gap:26px}.wc-work-photo{max-width:390px;margin-inline:auto!important}.wc-photo-copy>p:not(.wc-kicker){font-size:16px}.wc-cost-list>div{grid-template-columns:1fr;gap:8px;padding:18px 0}.wc-faq summary{font-size:16px}.wc-inquiry{padding:24px 20px;gap:20px;margin-top:36px}.wc-inquiry h2{font-size:25px}.wc-inquiry-actions{grid-template-columns:1fr}.wc-content{padding-bottom:38px}}