.case-content{--ink:#17243a;--green:#286452;--dark:#193f36;--muted:#5c6878;--line:#dce3df;--soft:#eef4f1;--serif:"Yu Mincho","Hiragino Mincho ProN",serif;font-family:"Yu Gothic","Hiragino Kaku Gothic ProN",Meiryo,sans-serif;color:var(--ink);background:#fff}
.case-content *{box-sizing:border-box}
.case-content a{color:var(--green);text-decoration:none}
.case-content a:focus-visible,.case-content summary:focus-visible,.case-content [tabindex]:focus-visible{outline:3px solid var(--green);outline-offset:4px}
.case-content .detail-header{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:24px 5%;border-bottom:1px solid var(--line)}
.case-content .detail-header img{width:210px;height:auto;display:block}
.case-content .detail-header nav{display:flex;gap:28px;font-size:13px}
.case-content .detail-main{max-width:1200px;margin:auto;padding:52px 32px 64px}
.case-content .industry{font-size:13px;font-weight:600;color:var(--green);margin:0 0 16px}
.case-content h1{font:600 clamp(27px,3vw,42px)/1.65 var(--serif);letter-spacing:-.025em;margin:0}
.case-content h2{font:600 29px/1.5 var(--serif);margin:0}
.case-content h3{font-size:17px;line-height:1.7;margin:0 0 14px}
.case-content .summary{max-width:54rem;color:var(--muted);font-size:14px;line-height:2;margin:22px 0 32px}
.case-content .view-links{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-bottom:56px}
.case-content .view-links a{border-block:1px solid var(--line);padding:20px 16px;display:flex;flex-direction:column;gap:7px}
.case-content .view-links a:hover{background:var(--soft)}
.case-content .view-links strong{font-size:18px}
.case-content .view-links span{font-size:12px;color:var(--muted)}
.case-content .view-section{scroll-margin-top:24px;margin-top:52px}
.case-content .section-heading{display:flex;align-items:center;gap:18px;margin-bottom:22px}
.case-content .sample-tag{font-size:11px;color:var(--green);background:var(--soft);padding:6px 10px}
.case-content .system-diagram{display:grid;grid-template-columns:1fr 28px 1fr 28px 1fr;align-items:stretch;padding:26px;background:#f7f8f6;border:1px solid var(--line)}
.case-content .system-node{padding:22px 20px;background:white;border-top:3px solid var(--green);min-width:0}
.case-content .system-node h3{font-size:16px}
.case-content .system-node ul{margin:0;padding-left:18px;font-size:13px;line-height:2}
.case-content .system-arrow{align-self:center;text-align:center;color:var(--green)}
.case-content .view-note{font-size:12px;color:var(--muted);line-height:1.9;margin:16px 0 0}
.case-content .admin-preview{border:1px solid var(--line);padding:24px;background:#f7f8f6}
.case-content .app-heading{display:flex;justify-content:space-between;align-items:center;gap:12px;padding-bottom:18px;border-bottom:1px solid var(--line);font-size:17px;font-weight:600}
.case-content .app-heading>span:last-child{font-size:11px;color:var(--muted);font-weight:400}
.case-content .metric-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:22px 0}
.case-content .metric-grid>div{background:#fff;padding:18px;border:1px solid var(--line)}
.case-content .metric-grid span{display:block;font-size:12px;color:var(--muted)}
.case-content .metric-grid strong{display:block;font-size:27px;color:var(--dark);margin-top:9px}
.case-content .table-scroll{overflow-x:auto;background:#fff}
.case-content table{width:100%;border-collapse:collapse;font-size:13px;min-width:620px;text-align:left}
.case-content caption{text-align:left;font-size:12px;color:var(--muted);padding:12px 14px}
.case-content th,.case-content td{border-bottom:1px solid var(--line);padding:14px;text-align:left;line-height:1.6}
.case-content th{background:var(--soft);font-weight:600}
.case-content .text-link{display:inline-block;padding-block:12px;margin-top:12px;font-size:13px;text-decoration:underline;text-underline-offset:4px}
.case-content .customer-layout{display:grid;grid-template-columns:340px 1fr;align-items:center;gap:56px;background:#f7f8f6;padding:34px}
.case-content .phone-preview{background:white;border:1px solid #b9c6be;border-radius:22px;overflow:hidden;max-width:340px;width:100%}
.case-content .phone-app-header{background:var(--dark);color:white;font-weight:600;text-align:center;padding:23px 18px;font-size:16px}
.case-content .phone-content{padding:22px}
.case-content .phone-lead{margin:0 0 20px;font-size:12px;color:var(--muted)}
.case-content .phone-content dl{margin:0}
.case-content .phone-content dl>div{padding:14px 0;border-top:1px solid var(--line)}
.case-content .phone-content dt{font-size:11px;color:var(--muted);margin-bottom:7px}
.case-content .phone-content dd{font-size:14px;line-height:1.7;margin:0}
.case-content .phone-content details{border-top:1px solid var(--line);padding-top:18px;margin-top:6px}
.case-content .phone-content summary{font-size:13px;color:var(--green);cursor:pointer;line-height:1.7}
.case-content .phone-content details p{font-size:12px;line-height:1.9}
.case-content .customer-description p{font-size:14px;line-height:2;color:var(--muted)}
.case-content .detail-bottom{display:flex;justify-content:space-between;gap:22px;border-top:1px solid var(--line);margin-top:48px;padding-top:26px;font-size:13px}
.case-content .detail-bottom a{text-decoration:underline;text-underline-offset:4px}
@media(max-width:760px){
.case-content .detail-header{padding:20px;gap:16px}
.case-content .detail-header img{width:160px}
.case-content .detail-header nav{gap:14px;font-size:11px}
.case-content .detail-main{padding:32px 20px 48px}
.case-content .view-links{gap:10px;margin-bottom:36px}
.case-content .view-links a{padding:16px 6px}
.case-content .view-links strong{font-size:16px}
.case-content .view-links span{font-size:11px}
.case-content .section-heading{gap:12px}
.case-content h2{font-size:25px}
.case-content .system-diagram{grid-template-columns:1fr;padding:18px}
.case-content .system-arrow{transform:rotate(90deg);padding:7px}
.case-content .system-node{padding:18px}
.case-content .admin-preview{padding:16px}
.case-content .app-heading{font-size:15px}
.case-content .metric-grid{gap:8px}
.case-content .metric-grid>div{padding:12px 8px}
.case-content .metric-grid span{font-size:10px}
.case-content .metric-grid strong{font-size:21px}
.case-content .customer-layout{grid-template-columns:1fr;padding:22px 16px;gap:26px}
.case-content .phone-preview{margin:auto}
.case-content .customer-description h3{font-size:16px}
.case-content .customer-description p{font-size:13px}
.case-content .detail-bottom{flex-wrap:wrap}
}

/* 現行の共通CSSは変更せず、新しい本文にのみ適用する。 */
.home-page,.integrated-page{background:#fff}
.home-content .hero{padding:0}
.home-content .service-detail-page{min-height:70vh}
.home-skip{position:absolute;top:-100px;left:16px;padding:12px;background:#fff;z-index:30}
.home-skip:focus{top:8px}
.home-page [id],.integrated-page [id]{scroll-margin-top:110px}
.legacy-anchor{display:block;height:0;scroll-margin-top:110px}
.home-contact{padding-block:88px}
.home-contact-heading{margin-bottom:36px}
.home-contact-heading h2{font-size:clamp(22px,2.5vw,36px);line-height:1.65;font-weight:600;margin:0}
.home-contact .contact-headline-line{display:block;white-space:nowrap}
.home-contact .section-lead{font-size:14px;color:var(--muted);line-height:2.1;margin:24px 0 0}
.home-contact .form-grid{max-width:800px;margin-inline:auto}
.home-page .site-footer,.integrated-page .site-footer{padding-bottom:30px}
@media(max-width:760px){
 .home-content .hero{padding-bottom:335px}
 .home-contact{padding-block:56px}
 .home-contact-heading h2{font-size:clamp(16px,4.5vw,28px)}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}