/* ── WORKS PAGE ── */
.filter-bar{padding:0 56px;border-bottom:1px solid var(--line-d);display:flex;align-items:stretch;gap:0;overflow-x:auto;-webkit-overflow-scrolling:touch}
.filter-btn{padding:20px 28px;font-size:.52rem;letter-spacing:.2em;text-transform:uppercase;color:var(--mid-d);background:none;border:none;cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-1px;white-space:nowrap;transition:color .3s,border-color .3s;font-family:'Space Grotesk',sans-serif}
.filter-btn:hover{color:var(--light)}
.filter-btn.active{color:var(--light);border-bottom-color:var(--light)}
.works-full-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line-d)}
.work-card-item{background:var(--dark);padding:56px 44px;transition:background .4s;display:flex;flex-direction:column}
.work-card-item:hover{background:#111}
.wc-index{font-family:'Playfair Display',serif;font-style:italic;font-size:3rem;font-weight:400;color:rgba(245,242,236,.05);line-height:1;margin-bottom:28px}
.wc-category{font-size:.48rem;letter-spacing:.28em;text-transform:uppercase;color:var(--mid-d);margin-bottom:24px;display:flex;align-items:center;gap:10px}
.wc-category::before{content:'';display:block;width:20px;height:1px;background:var(--mid-d)}
.wc-client{font-family:'Noto Serif JP',serif;font-size:1.15rem;font-weight:300;margin-bottom:6px}
.wc-industry{font-size:.65rem;color:var(--mid-d);margin-bottom:36px}
.wc-challenge{font-size:.75rem;color:rgba(245,242,236,.4);line-height:2;margin-bottom:28px;flex:1}
.wc-divider{height:1px;background:var(--line-d);margin-bottom:28px}
.wc-kpi{font-family:'Playfair Display',serif;font-size:2.8rem;font-weight:700;line-height:1;color:var(--light)}
.wc-kpi-label{font-size:.6rem;color:var(--mid-d);margin-top:8px;line-height:1.7}
.wc-tags{margin-top:24px;display:flex;flex-wrap:wrap;gap:6px}
.wc-tag{font-size:.48rem;letter-spacing:.08em;padding:3px 10px;border:1px solid var(--line-d);color:var(--mid-d)}
.case-study{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line-d)}
.case-study-left{background:var(--light);color:var(--dark);padding:100px 56px}
.case-study-right{background:var(--dark);padding:100px 56px;border-left:1px solid var(--line-d)}
.case-label{font-size:.48rem;letter-spacing:.3em;text-transform:uppercase;color:var(--mid-l);margin-bottom:20px;display:flex;align-items:center;gap:10px}
.case-label::before{content:'';display:block;width:20px;height:1px;background:var(--mid-l)}
.case-title{font-family:'Noto Serif JP',serif;font-size:clamp(1.4rem,3vw,2.8rem);font-weight:300;line-height:1.3;margin-bottom:24px;color:var(--dark)}
.case-body{font-size:.8rem;color:var(--mid-l);line-height:2.3;margin-bottom:32px}
.case-meta-row{display:flex;gap:32px;margin-bottom:32px;padding-bottom:32px;border-bottom:1px solid var(--line-l)}
.case-meta-label{font-size:.48rem;letter-spacing:.2em;text-transform:uppercase;color:var(--mid-l);margin-bottom:6px}
.case-meta-value{font-size:.82rem;color:var(--dark)}
.case-right-label{font-size:.48rem;letter-spacing:.3em;text-transform:uppercase;color:var(--mid-d);margin-bottom:32px}
.case-kpi-list{display:flex;flex-direction:column;gap:0}
.case-kpi-row{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line-d);margin-bottom:1px}
.case-kpi-cell{background:var(--dark);padding:28px 24px}
.case-kpi-cell-num{font-family:'Playfair Display',serif;font-size:2rem;font-weight:700;color:var(--light);line-height:1}
.case-kpi-cell-label{font-size:.6rem;color:var(--mid-d);margin-top:6px;line-height:1.6}
.case-process{margin-top:40px}
.case-process-title{font-size:.52rem;letter-spacing:.25em;text-transform:uppercase;color:var(--mid-d);margin-bottom:20px;display:flex;align-items:center;gap:10px}
.case-process-title::before{content:'';display:block;width:20px;height:1px;background:var(--mid-d)}
.case-process-steps{display:flex;flex-direction:column;gap:0}
.case-process-step{padding:16px 0;border-top:1px solid var(--line-d);font-size:.75rem;color:var(--mid-d);line-height:1.8;display:flex;gap:16px;align-items:flex-start}
.case-process-step-n{font-family:'Playfair Display',serif;font-style:italic;flex-shrink:0;color:rgba(245,242,236,.2)}
.stats-band{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line-d);border-top:1px solid var(--line-d)}
.stat-cell{background:var(--dark);padding:52px 40px;text-align:center}
.stat-num{font-family:'Playfair Display',serif;font-size:clamp(2rem,5vw,3.5rem);font-weight:700;color:var(--light);line-height:1;margin-bottom:10px}
.stat-label{font-size:.55rem;color:var(--mid-d);letter-spacing:.12em;line-height:1.6}
@media(max-width:768px){
  .filter-bar{padding:0 16px}
  .filter-btn{padding:16px 16px}
  .works-full-grid{grid-template-columns:1fr}
  .case-study{grid-template-columns:1fr}
  .case-study-left{padding:72px 24px}
  .case-study-right{padding:72px 24px;border-left:none;border-top:1px solid var(--line-d)}
  .case-meta-row{flex-wrap:wrap;gap:20px}
  .stats-band{grid-template-columns:1fr 1fr}
}