.irc-hero{padding:clamp(48px,8vw,88px) 0 clamp(18px,3vw,28px)}.irc-eyebrow{display:inline-block;font-size:.8rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--blue)}.irc-hero h1{font-family:var(--serif);font-weight:500;letter-spacing:-.02em;font-size:clamp(2.1rem,5.2vw,3.5rem);line-height:1.03;margin:.3em 0 0;color:var(--ink)}.irc-tag{margin:.6em 0 0;max-width:64ch;color:var(--muted);font-size:clamp(1.02rem,2vw,1.2rem);line-height:1.5}.irc-quick{margin:1.3em 0 0;max-width:78ch;background:var(--card);border:1px solid var(--line);border-left:3px solid var(--blue);border-radius:10px;padding:15px 18px;font-size:.96rem;line-height:1.55;color:var(--ink)}.irc-quick b{color:var(--blue)}.irc-panel{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:clamp(18px,2.4vw,26px);margin-bottom:20px}.irc-panel h2{font-family:var(--serif);font-weight:500;font-size:1.25rem;color:var(--ink);margin:0;letter-spacing:-.01em}.irc-panel-head{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;margin-bottom:14px}.irc-actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center}.irc-btn{font:inherit;font-size:.85rem;font-weight:600;color:var(--ink);background:#fff;border:1px solid var(--line);border-radius:8px;padding:7px 13px;cursor:pointer;transition:border-color .15s var(--ease),color .15s var(--ease)}.irc-btn:hover{border-color:var(--blue);color:var(--blue)}.irc-btn-primary{background:var(--blue);color:#fff;border-color:var(--blue)}.irc-btn-primary:hover{color:#fff;filter:brightness(1.05)}.irc-btn-quiet{color:var(--muted)}.irc-file{display:inline-flex;align-items:center}.irc-set-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}.irc-set-grid label{display:flex;flex-direction:column;gap:6px;font-size:.82rem;font-weight:600;color:var(--ink)}.irc-set-grid small{font-weight:400;font-size:.74rem;color:var(--muted);line-height:1.35}.irc-set-grid input{font:inherit;font-size:.95rem;color:var(--ink);background:#fff;border:1px solid var(--line);border-radius:8px;padding:8px 10px}.irc-set-grid input[type=range]{padding:0;accent-color:var(--blue)}.irc-tagn{color:var(--blue);font-weight:700}.irc-paste{background:#fff;border:1px dashed var(--line);border-radius:10px;padding:14px 16px;margin-bottom:14px}.irc-paste p{margin:0 0 10px;font-size:.86rem;color:var(--muted);line-height:1.5}.irc-paste code{font-family:var(--mono, monospace);font-size:.82em;background:var(--card-2);padding:1px 5px;border-radius:4px;color:var(--ink)}.irc-paste textarea{width:100%;font-family:var(--mono, monospace);font-size:.82rem;border:1px solid var(--line);border-radius:8px;padding:10px;color:var(--ink)}.irc-link{background:none;border:0;color:var(--blue);font:inherit;font-size:inherit;cursor:pointer;text-decoration:underline;padding:0}.irc-msg{font-size:.82rem;color:var(--muted)}.irc-table-wrap{overflow-x:auto}.irc table{border-collapse:collapse;width:100%}.irc-in-table th,.irc-out-table th{text-align:left;font-size:.68rem;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);font-weight:700;padding:6px 8px;white-space:nowrap}.irc-in-table td{padding:3px 4px}.irc-in-table input{font:inherit;font-size:.9rem;color:var(--ink);background:#fff;border:1px solid var(--line);border-radius:7px;padding:7px 8px;width:78px}.irc-in-table .irc-sku input{width:128px}.irc-del{font-size:1.1rem;line-height:1;color:var(--muted);background:none;border:0;cursor:pointer;padding:4px 7px}.irc-del:hover{color:var(--err, #c8341b)}.irc-hint{margin:12px 0 0;font-size:.8rem;color:var(--muted)}.irc-dash{display:grid;grid-template-columns:repeat(6,1fr);gap:12px;margin-bottom:20px}.irc-card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:15px 16px;display:flex;flex-direction:column;gap:3px}.irc-card-l{font-size:.7rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);font-weight:700}.irc-card-v{font-family:var(--serif);font-size:1.7rem;font-weight:500;color:var(--ink);line-height:1.05;font-variant-numeric:tabular-nums}.irc-card-s{font-size:.76rem;color:var(--muted)}.irc-card.bad{border-color:#c8341b66;background:#c8341b0d}.irc-card.bad .irc-card-v{color:#c8341b}.irc-card.warn{border-color:#a5680a66;background:#c8780a0d}.irc-card.ok .irc-card-v{color:#12855a}.irc-out-table td{padding:10px 8px;border-top:1px solid var(--line);color:var(--ink);font-size:.92rem}.irc-n{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}.irc-sku-c{font-weight:600}.irc-hot{background:#c8341b0b}.irc-badge{display:inline-block;padding:2px 10px;border-radius:999px;font-size:.76rem;font-weight:700;white-space:nowrap}.irc-badge.ok{color:#12855a;background:#12855a1f}.irc-badge.warn{color:#a5680a;background:#c8780a24}.irc-badge.bad{color:#c8341b;background:#c8341b1f}.irc-badge.muted{color:var(--muted);background:#0a183812}.irc-abc{display:inline-block;width:22px;text-align:center;border-radius:6px;font-size:.76rem;font-weight:700}.abc-A{color:#12855a;background:#12855a24}.abc-B{color:#a5680a;background:#c8780a24}.abc-C{color:var(--muted);background:#0a183812}.irc-warnings ul{margin:12px 0 0;padding-left:18px}.irc-warnings li{font-size:.82rem;color:#a5680a;line-height:1.45;margin:3px 0}.irc-cta{background:var(--ink);border-radius:18px;padding:clamp(24px,4vw,40px);margin:8px 0 28px}.irc-cta h2{font-family:var(--serif);font-weight:500;font-size:clamp(1.3rem,2.6vw,1.75rem);color:#fff;margin:0;letter-spacing:-.01em;max-width:30ch}.irc-cta p{margin:.8em 0 1.4em;color:#ffffffc7;font-size:1rem;line-height:1.6;max-width:68ch}.irc-method{padding:clamp(24px,4vw,44px) 0 8px}.irc-method>h2{font-family:var(--serif);font-weight:500;font-size:clamp(1.4rem,3vw,1.9rem);color:var(--ink);margin:0 0 20px}.irc-method-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px}.irc-method article{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px}.irc-method h3{font-size:1.05rem;color:var(--ink);margin:0 0 8px;scroll-margin-top:90px}.irc-formula{font-family:var(--mono, monospace);font-size:.82rem;background:var(--card-2);border-radius:7px;padding:8px 11px;color:var(--blue);margin:0 0 10px;overflow-x:auto}.irc-method p{margin:0;font-size:.92rem;line-height:1.55;color:var(--muted)}.irc-foot{padding:clamp(28px,5vw,52px) 0 clamp(48px,8vw,84px);border-top:1px solid var(--line);margin-top:32px}.irc-foot h2{font-family:var(--serif);font-weight:500;font-size:1.4rem;color:var(--ink);margin:0}.irc-foot p{margin:.5em 0 0;color:var(--muted);max-width:62ch;line-height:1.55}.irc-foot-links{display:flex;gap:12px;flex-wrap:wrap;margin-top:16px}.irc .arr{display:inline-block;transition:transform .2s var(--ease)}.irc .btn:hover .arr{transform:translate(4px)}@media(max-width:900px){.irc-set-grid{grid-template-columns:repeat(2,1fr)}.irc-dash{grid-template-columns:repeat(3,1fr)}}@media(max-width:560px){.irc-dash{grid-template-columns:repeat(2,1fr)}.irc-set-grid{grid-template-columns:1fr}}