/* ── 24. Shortcuts that show themselves ──────────────── */
.s24 { height: 600px; background: var(--gray-870); color: var(--gray-70); outline: none; }
.kb-h { display: flex; align-items: center; gap: 26px; height: 68px; padding: 0 clamp(18px, 4cqw, 44px); border-bottom: 1px solid color-mix(in srgb, var(--gray-0) 7%, transparent); font-size: 15px; }
.kb-h nav { display: flex; gap: 22px; color: var(--gray-250); }
.kb-lg { font-weight: 550; font-size: 17px; letter-spacing: -0.022em; display: flex; align-items: center; gap: 8px; }
.kb-lg i { width: 18px; height: 18px; border-radius: 4px; background: linear-gradient(135deg, var(--aqua-150), var(--violet-400)); }
.kb-r { margin-left: auto; display: flex; gap: 18px; align-items: center; }
.kb-cta { padding: 8px 15px; border-radius: 8px; background: var(--gray-70); color: var(--gray-870); font-weight: 550; }
.s24 [data-k] { position: relative; cursor: default; border-radius: 6px; transition: box-shadow .2s, background .2s, color .2s; }
.s24 [data-k].hit { box-shadow: 0 0 0 2px var(--aqua-150); background: color-mix(in srgb, var(--aqua-150) 12%, transparent); color: var(--gray-0); }
.kb-main { padding: 70px clamp(18px, 4cqw, 44px) 0; }
.kb-cur { display: inline-block; font-size: 13px; color: var(--aqua-150); font-weight: 550; transition: opacity .15s; }
.kb-main h3 { margin: 12px 0 0; font-size: clamp(40px, 6cqw, 72px); line-height: .98; letter-spacing: -0.022em; font-weight: 550; max-width: 13ch; }
.kb-btns { display: flex; gap: 12px; margin-top: 28px; font-size: 15px; font-weight: 550; }
.kb-btns [data-k] { padding: 11px 18px; border-radius: 8px; border: 1px solid color-mix(in srgb, var(--gray-0) 14%, transparent); }
.kb-f { position: absolute; left: 0; right: 0; bottom: 54px; display: flex; flex-wrap: wrap; gap: 8px 26px; padding: 18px clamp(18px, 4cqw, 44px); border-top: 1px solid color-mix(in srgb, var(--gray-0) 7%, transparent); font-size: 13px; color: var(--gray-350); }
.kb-bar { position: absolute; left: 0; right: 0; bottom: 0; height: 54px; display: flex; align-items: center; justify-content: center; gap: 10px; font-size: 13px; color: var(--gray-350); }
.kb-bar kbd, .kb-keys kbd { font: 550 12px var(--font); min-width: 26px; height: 26px; padding: 0 7px; display: inline-grid; place-items: center; border-radius: 6px; background: var(--gray-800); color: var(--gray-70); box-shadow: inset 0 -2px 0 color-mix(in srgb, var(--gray-900) 35%, transparent), 0 0 0 1px color-mix(in srgb, var(--gray-0) 8%, transparent); }
.kb-touch { border: 1px solid color-mix(in srgb, var(--gray-0) 18%, transparent); background: none; color: var(--gray-70); border-radius: 8px; padding: 6px 12px; font-size: 13px; cursor: default; display: none; }
@media (hover: none) { .kb-touch { display: inline-block; } .kb-bar .kb-desk { display: none; } }
.kb-keys { position: absolute; left: 50%; bottom: 70px; z-index: 9; display: flex; gap: 6px; transform: translateX(-50%) translateY(8px); opacity: 0; transition: opacity .2s, transform .3s cubic-bezier(.2,.9,.25,1); pointer-events: none; }
.kb-keys.on { opacity: 1; transform: translateX(-50%); }
.kb-keys kbd { min-width: 36px; height: 36px; font-size: 15px; }
.kb-layer { position: absolute; inset: 0; z-index: 8; pointer-events: none; }
.kb-tag { position: absolute; left: 0; top: 0; min-width: 20px; height: 20px; padding: 0 5px; border-radius: 4px; background: var(--aqua-150); color: var(--gray-870); font: 550 11px/20px var(--font); text-align: center; box-shadow: var(--e2); opacity: 0; transform: scale(.5); transition: opacity .12s, transform .12s; pointer-events: auto; cursor: default; }
.kb-layer.on .kb-tag { opacity: 1; transform: none; transition: opacity .2s ease var(--d), transform .45s cubic-bezier(.2,1.4,.4,1) var(--d); }
.kb-tag.dim { opacity: .25 !important; }
@container (max-width: 700px) { .kb-h nav { display: none; } .kb-r a:first-child { display: none; } }
@media (prefers-reduced-motion: reduce) { .ch-w span, .ch-strip, .bc-li, .bc-t, .bc-grid div, .fj-mp, .kb-tag, .kb-layer.on .kb-tag { transition: none !important; } .fj-sk { animation: none; } }

.bc-dd .w { animation: bcf .22s ease both; }
@keyframes bcf { from { opacity: 0; transform: translateY(-3px); } }
.part { margin-top: clamp(96px, 14vh, 150px); padding-top: 22px; border-top: 1px solid var(--line); }
.part h2 { margin: 0; font-size: clamp(24px, 3.4vw, 40px); line-height: 1.1; font-weight: 550; letter-spacing: -0.022em; }
.part p { margin: 12px 0 0; max-width: 60ch; font-size: 15px; color: var(--ink-2); }