/* Scoped insertion between #projects and #capability. Existing numbered sections retain their numbering. */
.b2b-scene{background:var(--paper);color:var(--ink);scroll-margin-top:152px}
.b2b-inner{padding-top:2px;padding-bottom:64px}
.b2b-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin:0 0 26px;padding-top:32px;border-top:1px solid var(--line)}
.b2b-heading .eyebrow{color:var(--muted);margin-bottom:12px;font-size:12px}
.b2b-heading h2{font-size:clamp(28px,3.1vw,42px);line-height:1.25;letter-spacing:-.045em;font-weight:560}
.b2b-hint{font-size:13px;line-height:1.75;color:var(--muted);text-align:right;flex-shrink:0}
.b2b-player{margin:0;min-width:0}
.b2b-screen{background:#111513;aspect-ratio:16/9;overflow:hidden;position:relative}
.b2b-screen video{width:100%;height:100%;display:block;object-fit:contain}
.b2b-controls{display:flex;align-items:center;justify-content:space-between;gap:12px;border-bottom:1px solid var(--line);padding:15px 0}
.b2b-controls button{font-size:14px;padding:8px 0;min-height:44px}
.b2b-actions{display:flex;align-items:center;gap:18px}
.b2b-control-line{width:1px;height:14px;background:var(--line)}
.b2b-duration{font-size:12px;letter-spacing:.1em;font-variant-numeric:tabular-nums;color:var(--muted)}
#b2b-sound{display:flex;align-items:center;gap:10px;color:var(--red);font-weight:600}
.b2b-sound-mark{font-size:19px;font-weight:400}
.b2b-credit{font-size:12px;line-height:1.7;color:var(--muted);margin-top:12px}
.b2b-credit a{border-bottom:1px solid currentColor}
.b2b-status{font-size:13px;color:var(--red);margin-top:8px;min-height:0}
.b2b-status:empty{display:none}
@media(max-width:760px){
 .b2b-scene{scroll-margin-top:235px}
 .b2b-inner{padding-bottom:36px}
 .b2b-heading{display:block;padding-top:26px;margin-bottom:18px}
 .b2b-heading h2{font-size:30px}
 .b2b-hint{text-align:left;margin-top:12px;font-size:12px}
 .b2b-hint br{display:none}.b2b-hint-duration:after{content:' · '}
 .b2b-controls{padding:7px 0}.b2b-controls button{font-size:13px}
 .b2b-credit{font-size:12px;overflow-wrap:anywhere}
      }