@layer pages {
:root{
--bg:var(--c-bg);--bg-2:var(--c-brand-100);--panel:var(--c-brand-50);
--line:var(--c-line);--line-soft:var(--c-line-soft);
--text:var(--c-text);--text-2:var(--c-text-muted);--text-3:var(--c-text-subtle);
--cyan:var(--c-brand-800);--cyan-bright:var(--c-brand-700);--green:var(--c-accent-green);
--grad:var(--c-brand-grad);
--serif:var(--ff-sans);--sans:var(--ff-sans);--num:var(--ff-num);
}
/* ===== MEIDEN CONNECT — A案 共通テーマ（黒・ナラティブ） ===== */
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:var(--sans);font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased;letter-spacing:0;overflow-x:hidden}
img{max-width:100%;display:block}
.wrap{max-width:var(--container-max);margin:0 auto;padding:0 var(--container-pad)}
.narrow{max-width:880px}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* Header / global page-nav */
header{position:fixed;top:0;left:0;right:0;z-index:100;padding:14px 0;background:rgba(255,255,255,.96);backdrop-filter:blur(16px);border-bottom:1px solid var(--line-soft);box-shadow:0 4px 20px -8px rgba(16,32,52,.14)}
header.top{background:rgba(255,255,255,0);backdrop-filter:blur(0);border-bottom:0;padding:18px 0}
header.top.scrolled{background:rgba(255,255,255,.97);backdrop-filter:blur(16px);border-bottom:1px solid var(--line-soft);box-shadow:0 4px 20px -8px rgba(16,32,52,.14);padding:12px 0}
.nav{display:flex;align-items:center;justify-content:space-between}
.logo{display:flex;align-items:center;gap:12px}
.logo img{height:46px;width:auto;display:block}
.logo svg{width:42px;height:auto}
.logo .lt{font-family:var(--num);font-weight:700;font-size:18px;letter-spacing:.16em;line-height:1.05}
.logo .lt small{display:block;font-size:9px;letter-spacing:.3em;color:var(--text-3);font-weight:400}
nav ul{display:flex;gap:30px;list-style:none;align-items:center;font-size:16px}
nav a{font-size:16px;font-weight:700;color:var(--text-2);letter-spacing:.04em;position:relative;padding:6px 0;transition:.25s}
nav a::after{content:"";position:absolute;left:0;bottom:-3px;width:0;height:1.5px;background:var(--grad);transition:.3s}
nav a:hover,nav a.active{color:var(--text)}
nav a.active::after,nav a:hover::after{width:100%}
nav a.btn-nav{padding:9px 22px;border:none;border-radius:50px;background:var(--c-brand-grad);color:var(--c-text-invert);font-weight:600;transition:.3s}
nav a.btn-nav::after{display:none}
nav a.btn-nav:hover{filter:brightness(1.04);transform:translateY(-1px)}
.menu-btn{display:none;background:none;border:1px solid var(--line);color:var(--text);padding:9px 13px;border-radius:6px;font-size:16px;cursor:pointer}

/* Page header (slim hero for下層) */
.pagehead{position:relative;padding:170px 0 90px;overflow:hidden}
.pagehead .orb{position:absolute;border-radius:50%;filter:blur(90px);opacity:.24}
.pagehead .orb.c{width:520px;height:520px;background:radial-gradient(circle,#1aa8e6,transparent 70%);top:-20%;right:-6%}
.pagehead .orb.g{width:420px;height:420px;background:radial-gradient(circle,#8ec73f,transparent 70%);bottom:-40%;left:-4%}
.crumb{position:relative;z-index:2;font-family:var(--num);font-size:16px;letter-spacing:.16em;color:var(--text-3);margin-bottom:22px}
.crumb a:hover{color:var(--cyan-bright)}
.pagehead h1{position:relative;z-index:2;font-family:var(--serif);font-weight:900;font-size:clamp(28px,4.2vw,50px);line-height:1.35;margin-bottom:20px}
.pagehead .sub{position:relative;z-index:2;color:var(--text-2);font-size:16px;line-height:1.7}

/* Section base */
.block{padding:58px 0;position:relative}
.sec-label{font-family:var(--num);font-size:16px;font-weight:600;letter-spacing:.18em;color:var(--cyan-bright);margin-bottom:18px;display:flex;align-items:center;gap:12px}
.sec-label::before{content:"";width:26px;height:1px;background:var(--grad)}
h2.sec-title{font-family:var(--serif);font-weight:700;font-size:clamp(21px,2.6vw,30px);line-height:1.54;margin-bottom:22px;letter-spacing:.01em;padding-left:var(--sec-bar-gap)}
.reveal{transition:.85s cubic-bezier(.2,.7,.2,1)}

/* Narrative story */
.story{max-width:var(--container-read)}
.story p{color:var(--text-2);font-size:16px;line-height:1.7;margin-bottom:24px}
.story p strong{color:var(--text);font-weight:700}
.pull{max-width:var(--container-read);font-family:var(--serif);font-weight:700;font-size:clamp(19px,2.4vw,27px);line-height:1.6;margin:54px 0}
.pull .grad-text{display:inline}

/* 狭い読み列を中央寄せ（転換点・カギは 等の物語セクション共通） */
.narrative-center > .wrap > .reveal{max-width:var(--container-read);margin-left:auto;margin-right:auto}
.narrative-center .story,
.narrative-center .pull,
.narrative-center .value-note{margin-left:auto;margin-right:auto}
/* 引用を通常テキスト化（強調しない箇所のみ付与） */
.pull-plain{font-family:var(--sans);font-weight:var(--fw-regular);font-size:16px;line-height:1.7;color:var(--text-2);margin-top:32px;margin-bottom:32px}

/* 3 barriers / cards grid */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line-soft);border:1px solid var(--line-soft);border-radius:16px;overflow:hidden}
.gcard{background:var(--bg);padding:40px 32px;transition:.4s}
.gcard .q{font-family:var(--num);font-size:13px;color:var(--cyan);letter-spacing:.2em;margin-bottom:8px}
.gcard h3{font-family:var(--serif);font-weight:700;font-size:21px;line-height:1.55;margin-bottom:12px}
.gcard h3::before{display:none}
.gcard-head{display:flex;align-items:baseline;margin-bottom:12px}
.gcard-head .q{font-size:22px;font-weight:700;letter-spacing:.06em;margin-bottom:0;margin-right:.5em}
.gcard-head h3{display:block;margin-bottom:0}
.gcard p{color:var(--text-2);font-size:16px;line-height:1.7}

/* Compare 従来 vs 拡張後 */
.compare{display:grid;grid-template-columns:1fr auto 1fr;gap:28px;align-items:center;margin-top:20px}
.comp-col{border:1px solid var(--line-soft);border-radius:16px;padding:36px 32px;background:var(--bg);position:relative;overflow:hidden}
.comp-col.now{border-top:3px solid var(--text-3)}
.comp-col.next{background:radial-gradient(circle at 50% 0,rgba(26,168,230,.08),transparent 70%),var(--bg)}
.comp-col.next::before{content:"";position:absolute;top:0;left:0;width:100%;height:3px;background:var(--grad)}
.comp-col .tag{font-family:var(--num);font-size:16px;letter-spacing:.16em;margin-bottom:8px;color:var(--text-3)}
.comp-col.next .tag{color:var(--cyan-bright)}
.comp-col h4{font-family:var(--serif);font-weight:700;font-size:21px;margin-bottom:20px}
.comp-col ul{list-style:none;display:flex;flex-direction:column;gap:13px}
.comp-col li{font-size:16px;color:var(--text-2);line-height:1.7;padding-left:22px;position:relative}
.comp-col li::before{content:"—";position:absolute;left:0;color:var(--text-3)}
.comp-col.next li::before{content:"+";color:var(--green);font-weight:700}
.comp-arrow{font-family:var(--num);font-size:30px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* Feature list */
.feat-list{display:flex;flex-direction:column}
.feat{display:block;padding:36px 0;transition:.45s}
.feat+.feat{border-top:1px solid var(--line-soft)}
.feat-list--flat .feat+.feat{border-top:0}
.feat .fn{font-family:var(--num);font-weight:400;font-size:1.4em;line-height:1;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;margin-right:.35em}
.feat h3{font-family:var(--serif);font-weight:700;font-size:23px;margin-bottom:12px;align-items:baseline;gap:0}
.feat h3::before{display:none}
.feat h3 small{display:inline-block;font-family:var(--num);font-size:12px;letter-spacing:.16em;color:var(--cyan);margin-left:12px;font-weight:600}
.feat>div>p{color:var(--text-2);font-size:16px;line-height:1.7;margin-bottom:16px}
.feat .points{list-style:none;display:flex;flex-direction:column;gap:8px}
.feat .points li{font-size:16px;color:var(--text-2);padding-left:20px;position:relative;line-height:1.7}
.feat .points li::before{content:"◆";position:absolute;left:0;font-size:10px;color:var(--cyan);top:4px}

/* Results summary bar (事例 成果ファースト) */
.results{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:14px}
.rstat{border:1px solid var(--line-soft);border-radius:16px;padding:34px 28px;background:radial-gradient(circle at 50% 0,rgba(26,168,230,.07),transparent 70%),var(--bg);text-align:center}
.rstat .v{font-family:var(--num);font-weight:700;font-size:46px;line-height:1;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.rstat .k{font-size:16px;color:var(--text-2);margin-top:12px;line-height:1.6}
.rstat .src{font-size:16px;color:var(--text-3);margin-top:10px;letter-spacing:.06em}

/* Jump nav */
.jump{display:flex;gap:14px;flex-wrap:wrap;margin-top:40px}
.jump a{font-size:16px;color:var(--text-2);border:1px solid var(--line);border-radius:50px;padding:11px 22px;transition:.3s}
.jump a:hover{border-color:var(--cyan);color:var(--text)}

/* Case detail */
.cdetail{padding:104px 0;border-top:1px solid var(--line-soft)}
.cdetail .chead{display:grid;grid-template-columns:1.1fr 1fr;gap:50px;align-items:center;margin-bottom:54px}
.cdetail .ctag{font-family:var(--num);font-size:16px;letter-spacing:.2em;color:var(--cyan-bright);margin-bottom:14px}
.cdetail h2{font-family:var(--serif);font-weight:700;font-size:clamp(20px,2.3vw,28px);line-height:1.45;margin-bottom:18px}
.cdetail .clead{color:var(--text-2);font-size:16px;line-height:1.7}
.cdetail .cimg{border-radius:14px;overflow:hidden}
.cdetail .cimg img{width:100%;height:320px;object-fit:cover}
.metrics-inline{display:flex;flex-wrap:wrap;gap:24px 44px;margin:30px 0;align-items:start}
.metrics-inline.cols3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px 20px}
.metrics-inline .v{font-family:var(--num);font-weight:700;font-size:34px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1}
.metrics-inline .k{font-size:16px;color:var(--text-2);margin-top:6px}

/* Before / After */
.ba{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin:14px 0}
.ba-col{border:1px solid var(--line-soft);border-radius:14px;padding:30px 28px;background:var(--bg)}
.ba-col.after{border-color:rgba(79,138,18,.45);background:linear-gradient(180deg,rgba(79,138,18,.10),rgba(79,138,18,.03))}
.ba-col .lbl{font-family:var(--num);font-size:16px;letter-spacing:.16em;margin-bottom:16px;color:var(--text-3)}
.ba-col.after .lbl{display:inline-block;background:var(--green);color:#fff;padding:6px 13px;border-radius:7px;letter-spacing:.08em;font-weight:600}
.ba-col ul{list-style:none;display:flex;flex-direction:column;gap:11px}
.ba-col li{font-size:16px;color:var(--text-2);line-height:1.7;padding-left:20px;position:relative}
.ba-col li::before{content:"–";position:absolute;left:0;color:var(--text-3)}
.ba-col.after li::before{content:"✓";color:var(--green)}

/* Solution points */
.solgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:14px}
.sol{border:1px solid var(--line-soft);border-radius:14px;padding:28px 26px;background:var(--panel)}
.sol .sn{font-family:var(--num);font-size:12px;color:var(--text-3);letter-spacing:.16em}
.sol h4{font-family:var(--serif);font-weight:700;font-size:18px;margin:8px 0 12px}
.sol p{color:var(--text-2);font-size:16px;line-height:1.7}
.subhead{font-family:var(--serif);font-weight:700;font-size:19px;margin:36px 0 6px;color:var(--text)}

/* Facility */
.facility{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;border:1px solid var(--line-soft);border-radius:18px;overflow:hidden;background:var(--bg)}
.facility .fimg img{width:100%;height:100%;min-height:300px;object-fit:cover}
.facility .fbody{padding:44px 42px}
.facility h3{font-family:var(--serif);font-weight:700;font-size:24px;margin-bottom:16px}
.facility p{color:var(--text-2);font-size:16px;line-height:1.7}

/* Buttons / CTA / footer */
.btn{display:inline-flex;align-items:center;gap:12px;font-size:16px;font-weight:500;padding:16px 36px;border-radius:50px;transition:.35s}
.btn.primary{background:var(--grad);color:#fff;font-weight:700}
.btn.primary:hover{transform:translateY(-2px)}
.btn.ghost{border:1px solid var(--line);color:var(--text)}
.btn.ghost:hover{border-color:var(--cyan);color:var(--text)}
.cta{background:var(--bg-2);border-top:1px solid var(--line-soft);text-align:center}
.cta h2{font-family:var(--serif);font-weight:900;font-size:clamp(20px,2.7vw,29px);line-height:1.5;margin-bottom:18px}
.cta p{color:var(--text-2);margin-bottom:36px;font-size:16px}
.cta-row{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
/* Footer (濃色バンド：スローガンロゴ＋企業サイトボタン) */
footer{background:#16202c;padding:64px 0 46px;text-align:center;border-top:0}
footer .wrap{display:flex;flex-direction:column;align-items:center;gap:30px}
.foot-logo img{height:58px;width:auto;display:block}
.corp-btn a{display:inline-flex;align-items:center;justify-content:center;gap:16px;min-width:320px;padding:19px 44px;background:#0366cb;color:#fff;font-weight:700;font-size:16px;letter-spacing:.06em;border-radius:50px;transition:.35s}
.corp-btn a .arr{font-family:var(--num);font-size:19px;font-weight:400;color:#fff}
.corp-btn a:hover{transform:translateY(-2px)}
.foot-nav{display:flex;gap:30px;flex-wrap:wrap;justify-content:center}
.foot-nav a{font-size:16px;color:rgba(255,255,255,.74);transition:.25s}
.foot-nav a:hover{color:#fff}
.note-foot{font-size:16px;color:rgba(255,255,255,.62);line-height:1.54;max-width:820px;text-align:left;border-top:1px solid rgba(255,255,255,.14);padding-top:24px}
.value-note{max-width:var(--container-read);font-size:16px;color:var(--text-2);line-height:1.54;background:var(--panel);border:1px solid var(--line-soft);border-radius:12px;padding:20px 24px;margin-top:30px}
.copy{color:rgba(255,255,255,.56);font-size:16px;letter-spacing:.04em}

@media(max-width:880px){
  body{font-size:16px}
  nav{position:fixed;top:0;right:0;bottom:0;left:0;background:#fff;display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transition:opacity .3s,visibility .3s;z-index:99}
  header.nav-open nav{opacity:1;visibility:visible}
  header.nav-open{backdrop-filter:none;-webkit-backdrop-filter:none}
  nav ul{display:flex;flex-direction:column;gap:30px;text-align:center;align-items:center}
  nav a{font-size:20px}
  nav a.btn-nav{padding:12px 28px}
  .menu-btn{display:block;position:relative;z-index:101}
  .grid3,.solgrid,.results{grid-template-columns:1fr}
  .compare{grid-template-columns:1fr;gap:16px}.comp-arrow{transform:rotate(90deg);text-align:center}
  .ba{grid-template-columns:1fr}
  .cdetail .chead,.facility{grid-template-columns:1fr;gap:28px}
  .feat{padding:34px 0}
  .feat .feat-figure{max-width:100%}
  .metrics-inline.cols3{grid-template-columns:1fr 1fr}
  .block,.cdetail{padding:66px 0}
  .pagehead{padding:130px 0 64px}
}

/* ===== 画像パーツ（追加） ===== */
.figure{background:#fff;border-radius:14px;padding:14px}
.figure img{width:100%;border-radius:8px;display:block}
.figure figcaption{font-size:16px;color:#5a6675;text-align:center;margin-top:10px;letter-spacing:.04em}
.case-figure{margin:10px 0 6px}
/* photo card-top for grid3 */
.gcard{padding:0;overflow:hidden}
.gcard .gcard-img{height:170px;overflow:hidden;position:relative}
.gcard .gcard-img img{width:100%;height:100%;object-fit:cover;filter:grayscale(.1) brightness(.92);transition:.5s}
.gcard .gcard-img::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 50%,rgba(255,255,255,.35))}
.gcard .gcard-body{padding:18px 30px 32px}
/* feature figure inside feat-list */
.feat .feat-figure{margin-top:22px;max-width:80%;margin-left:auto;margin-right:auto}
.feat .feat-figure img{width:100%}
/* pickup thumb */
.pick{padding:0;overflow:hidden}
.pick .pick-img{height:160px;overflow:hidden}
.pick .pick-img img{width:100%;height:100%;object-fit:cover;transition:.5s}
.pick:hover .pick-img img{transform:scale(1.05)}
.pick .pick-body{padding:26px 28px 30px}
/* vision tree */
.vfig{max-width:360px;margin:36px auto 0}
.vfig img{width:100%}

/* ===== 設備保全の革新（事例ページ）専用コンポーネント — 白テーマ ===== */
/* イントロ */
.intro-lead{max-width:760px;margin:6px auto 0;text-align:center;color:var(--text-2);font-size:16px;line-height:1.7}
.intro-lead p{margin-bottom:18px}
.center-head{text-align:center}
.center-head .sec-label{justify-content:center}

/* 事例メニューカード（成果カード → クリックで各事例へスクロール） */
.menu-group{margin-top:18px}
.menu-group-label{font-family:var(--num);font-size:13px;font-weight:600;letter-spacing:.18em;color:var(--cyan-bright);margin:54px 0 18px;text-align:center}
.menu-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.menu-card{display:block;border:1px solid var(--line-soft);border-radius:16px;overflow:hidden;background:var(--bg);transition:.4s}
.menu-card:hover{transform:translateY(-4px);border-color:rgba(11,120,179,.4)}
.menu-card-image{height:172px;overflow:hidden}
.menu-card-image img{width:100%;height:100%;object-fit:cover;transition:.5s}
.menu-card:hover .menu-card-image img{transform:scale(1.05)}
.menu-card-content{padding:26px 28px 30px}
.menu-card-title{font-family:var(--serif);font-weight:700;font-size:20px;line-height:1.5;margin-bottom:12px;color:var(--text)}
.menu-card-description{color:var(--text-2);font-size:16px;line-height:1.7;margin-bottom:18px}
.menu-card-link{display:inline-flex;align-items:center;gap:8px;align-self:flex-start;font-size:15px;font-weight:700;color:var(--cyan-bright);border:1.5px solid var(--cyan-bright);border-radius:50px;padding:10px 24px;letter-spacing:.04em;transition:.3s}
.menu-card:hover .menu-card-link,.menu-card-poc:hover .menu-card-link{gap:14px;background:var(--cyan-bright);color:#fff}
/* PoCカード（横長・強調） */
.menu-cards-poc{display:block;margin-top:44px}
.menu-card-poc{display:grid;grid-template-columns:300px 1fr;border:1px solid var(--line-soft);border-radius:16px;overflow:hidden;background:var(--bg);transition:.4s}
.menu-card-poc:hover{border-color:rgba(11,120,179,.4)}
.menu-card-poc-image{position:relative;overflow:hidden;min-height:0}
.menu-card-poc-image img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.menu-card-poc-content{display:flex;flex-direction:column;justify-content:center;padding:16px 36px}
.menu-card-poc-badge{align-self:flex-start;font-family:var(--num);font-size:13px;font-weight:600;letter-spacing:.16em;color:#fff;background:var(--grad);padding:6px 15px;border-radius:50px;margin-bottom:16px}
.menu-card-poc-title{font-family:var(--serif);font-weight:700;font-size:23px;line-height:1.45;margin:0 0 6px;color:var(--text)}
.menu-card-poc-description{color:var(--text-2);font-size:16px;line-height:1.7;margin-bottom:10px}
.menu-card-poc-description .description-sub{color:var(--text-3);font-size:16px}

/* ケーススタディ */
.case-study{border-top:1px solid var(--line-soft)}
.case-header{position:relative;min-height:300px;display:flex;align-items:center;justify-content:center;background-size:cover;background-position:center;text-align:center}
.case-header::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(8,18,30,.55),rgba(8,18,30,.72))}
.case-header.plain{background:linear-gradient(120deg,#10324a,#0b5572)}
.case-header-content{position:relative;z-index:2;color:#fff;padding:40px 24px}
.case-header-content h2{font-family:var(--serif);font-weight:900;color:#fff;line-height:1.54;font-size:clamp(22px,3vw,34px)}
.case-header-content .case-subtitle{color:rgba(255,255,255,.86);font-size:16px;margin-top:16px}
.case-content{max-width:980px;margin:0 auto;padding:84px 28px 96px}
.case-content h4{font-family:var(--serif);font-weight:700;font-size:23px;line-height:1.5;margin-bottom:16px;color:var(--text)}
.case-content > .case-section > p,.case-content .introduction-section p{color:var(--text-2);font-size:16px;line-height:1.7;margin-bottom:16px}
.case-section{margin:46px 0}

/* 実現した成果（value-highlight） */
.value-highlight{background:var(--panel);border:1px solid var(--line-soft);border-radius:18px;padding:40px 36px;margin-bottom:18px}
.value-highlight h4{text-align:center;margin-bottom:26px}
.value-items{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.value-items.two-column{grid-template-columns:repeat(2,1fr);max-width:680px;margin:0 auto}
.value-item{text-align:center;padding:24px 18px;border:1px solid var(--line-soft);border-radius:14px;background:var(--bg)}
.value-item-title{font-family:var(--serif);font-weight:700;font-size:20px;line-height:1.45;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.value-item-description{color:var(--text-2);font-size:16px;margin-top:10px;line-height:1.7}

/* Before / After（Afterを目立つ配色に） */
.before-after{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin:46px 0}
.before-after-item{border:1px solid var(--line-soft);border-radius:16px;padding:30px 30px 24px;background:var(--bg)}
.before-after-item:last-child{border-color:rgba(79,138,18,.45);background:linear-gradient(180deg,rgba(79,138,18,.10),rgba(79,138,18,.03))}
.before-after-label{font-family:var(--num);font-size:16px;letter-spacing:.08em;font-weight:600;margin-bottom:14px;color:var(--text-3);display:inline-block}
.before-after-item:last-child .before-after-label{background:var(--green);color:#fff;padding:6px 14px;border-radius:7px}
.before-after-item h5{font-family:var(--serif);font-weight:700;font-size:16px;margin-bottom:10px;color:var(--text)}
.before-after-item p{color:var(--text-2);font-size:16px;line-height:1.7;margin:6px 0}

/* ソリューションタブ */
.solution-title-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:30px 0 0}
.solution-title-cards.two{display:flex;gap:14px}
.solution-title-cards.two>*{flex:1}
.solution-title-card{display:flex;align-items:center;justify-content:space-between;gap:12px;border:1px solid var(--line);border-radius:12px;padding:16px 20px;background:var(--bg);cursor:pointer;transition:.3s}
.solution-title-card::after{content:"▸";font-size:13px;line-height:1;color:var(--cyan-bright);transition:.3s;flex-shrink:0}
.solution-title-card h4{font-size:16px;margin:0;color:var(--text-2);transition:.3s}
.solution-title-card:hover{border-color:var(--cyan);box-shadow:0 6px 18px -12px rgba(16,32,52,.4)}
.solution-title-card.active::after{content:"▾";color:#fff}
.solution-title-card.active{background:var(--grad);border-color:transparent}
.solution-title-card.active h4{color:#fff}
.solution-content-area{border:1px solid var(--line-soft);border-top:0;border-radius:0 0 16px 16px;margin-top:-2px}
.solution-content{padding:38px 36px}
.js .solution-content{display:none}
.js .solution-content.active{display:block;animation:solfade .4s ease}
@keyframes solfade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.solution-content-header h4{margin-bottom:22px}
.solution-details{display:flex;flex-direction:column;gap:24px}
.solution-detail-item{display:grid;grid-template-columns:24px 1fr;gap:16px;align-items:start}
.solution-detail-icon{color:var(--cyan);font-size:13px;margin-top:5px}
.solution-detail-content h5{font-family:var(--serif);font-weight:700;font-size:18px;margin-bottom:8px;color:var(--text)}
.solution-detail-content p{color:var(--text-2);font-size:16px;line-height:1.7}
.solution-image-section{margin:16px 0 4px;border-radius:12px;overflow:hidden;background:#fff}
.solution-image-section img{width:100%;display:block}

/* 成果詳細グリッド */
.case-results{margin-top:54px}
.case-results h4{text-align:center;margin-bottom:26px}
.case-results .results-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.case-results .result-item{text-align:center;border:1px solid var(--line-soft);border-radius:16px;padding:34px 24px;background:radial-gradient(circle at 50% 0,rgba(11,120,179,.06),transparent 70%),var(--bg)}
.case-results .result-value{font-family:var(--num);font-weight:700;font-size:clamp(24px,3vw,40px);line-height:1.15;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.case-results .result-label{font-size:16px;color:var(--text-2);margin-top:12px;line-height:1.7}

@media(max-width:860px){
  .logo img{height:34px}
  header.scrolled .logo img{height:30px}
  .menu-cards,.value-items,.value-items.two-column,.before-after,.solution-title-cards,.case-results .results-grid{grid-template-columns:1fr}
  .solution-title-cards.two{flex-direction:column}
  .menu-card-poc{grid-template-columns:1fr}
  .menu-card-poc-image{min-height:200px}
  .menu-card-poc-content{padding:30px 26px}
  .solution-content{padding:28px 24px}
  .case-content{padding:60px 22px 70px}
}

/* anchor offset for fixed header */
#introduction,#menu,.case-study{scroll-margin-top:84px}

/* ===== FACILITY (沼津PoC環境) ===== */
.facility-block .case-content{max-width:1120px}
.facility-eyebrow{font-family:var(--num);font-size:16px;font-weight:600;letter-spacing:.18em;color:var(--cyan-bright);margin-bottom:18px;display:flex;align-items:center;gap:12px}
.facility-eyebrow::before{content:"";width:26px;height:1px;background:var(--grad)}
.facility-title{font-family:var(--serif);font-weight:900;font-size:clamp(21px,2.6vw,30px);line-height:1.35;color:var(--text);margin-bottom:34px}
.facility-card{display:grid;grid-template-columns:1.1fr 1fr;border:1px solid var(--line-soft);border-radius:18px;overflow:hidden;background:#fff}
.facility-card-image{overflow:hidden;min-height:300px}
.facility-card-image img{width:100%;height:100%;object-fit:cover;display:block}
.facility-card-body{display:flex;flex-direction:column;justify-content:center;padding:44px 46px}
.facility-card-body h3{font-family:var(--serif);font-weight:700;font-size:24px;color:var(--text);margin-bottom:18px}
.facility-card-body p{color:var(--text-2);font-size:16px;line-height:1.7}
.robot-area{margin-top:56px}
.robot-area h4{font-family:var(--serif);font-weight:700;font-size:23px;color:var(--text);margin-bottom:16px}
.robot-area p{color:var(--text-2);font-size:16px;line-height:1.7;margin-bottom:24px;max-width:880px}
.robot-media{max-width:960px}
.robot-photos{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px}
.robot-photos figure{margin:0;border-radius:14px;overflow:hidden;aspect-ratio:16/10;background:var(--bg-2)}
.robot-photos img{width:100%;height:100%;object-fit:cover;display:block}
.robot-gallery-img{margin:0;border-radius:14px;overflow:hidden;background:var(--bg-2)}
.robot-gallery-img img{width:100%;height:auto;display:block}
.robot-caption{font-size:13px;color:var(--text-3);text-align:center;margin-top:12px}
@media(max-width:640px){.robot-photos{grid-template-columns:1fr}}
.media-placeholder{border:1.5px dashed var(--line);border-radius:14px;background:var(--bg-2);min-height:260px;display:flex;align-items:center;justify-content:center;text-align:center;color:var(--text-3);font-size:16px;line-height:1.54;padding:30px}
@media(max-width:860px){.facility-card{grid-template-columns:1fr}.facility-card-image{min-height:220px}.facility-card-body{padding:32px 26px}}

/* ===== cases.html（設備保全の革新）: B案エディトリアル設計の復元・追記 =====
   すべて .cdetail スコープ。他ページ(index/kyoso)には影響しません。 */
.cdetail .ctag{display:inline-flex;align-self:flex-start;font-family:var(--num);font-weight:700;font-size:16px;letter-spacing:.1em;color:#fff;background:var(--cyan);padding:9px 20px;border-radius:22px;margin-bottom:16px}
.cdetail .case-section{margin:44px 0 6px}
.cdetail .case-section h4{font-family:var(--serif);font-weight:700;font-size:21px;line-height:1.5;margin-bottom:14px;color:var(--text)}
.cdetail .case-section p{color:var(--text-2);font-size:16px;line-height:1.7;margin-bottom:14px}
.cdetail .subhead{margin-top:50px}
.cdetail figure.case-figure{margin:30px auto;max-width:80%}
.cdetail figure.case-figure.wide{max-width:90%}
@media(max-width:880px){.cdetail figure.case-figure,.cdetail figure.case-figure.wide{max-width:100%}}
.cdetail .solution-content-header h4{font-family:var(--serif);font-weight:700;font-size:21px;color:var(--text);margin-bottom:22px}

/* ===== 全体の控えめなスクロール演出（安全方式） =====
   .reveal-on は JS が有効なときだけ <html> に付与。
   付かない環境（JSオフ／静的書き出し等）では最初から表示されるため、
   コンテンツが消える不具合は起きません。 */
.reveal-on .reveal{opacity:0;transform:translateY(26px)}
.reveal-on .reveal.in{opacity:1;transform:none}

/* ===== ページトップへ戻る（追従ボタン） ===== */
.to-top{position:fixed;right:24px;bottom:24px;width:48px;height:48px;border:0;border-radius:50%;background:var(--grad);color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 10px 26px -10px rgba(16,32,52,.45);opacity:0;visibility:hidden;transform:translateY(12px);transition:opacity .3s,transform .3s,visibility .3s;z-index:90}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{transform:translateY(-3px);box-shadow:0 16px 34px -12px rgba(16,32,52,.5)}
.to-top svg{width:20px;height:20px;display:block}
@media(max-width:640px){.to-top{right:16px;bottom:16px;width:44px;height:44px}}
@media(prefers-reduced-motion:reduce){.to-top{transition:opacity .2s,visibility .2s}.to-top:hover{transform:none}}
}