.koc-chat{flex-direction:column;gap:56px;padding-top:36px;display:flex}.koc-chat-hero{text-align:center;flex-direction:column;align-items:center;gap:14px;padding:0 16px;display:flex}.koc-chat-eyebrow{border:1px solid var(--border-base);background:var(--bg-surface);font-family:var(--font-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--fg-base);border-radius:999px;align-items:center;gap:8px;padding:6px 12px;font-size:11px;display:inline-flex}.koc-chat-eyebrow-static{font-family:var(--font-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--fg-muted);margin:0;font-size:11px}.koc-chat-pulse{background:var(--pitch);border-radius:50%;width:7px;height:7px;display:inline-block;position:relative}.koc-chat-pulse:after{content:"";background:var(--pitch);opacity:.25;border-radius:50%;animation:1.6s ease-in-out infinite koc-chat-pulse;position:absolute;inset:-3px}.koc-chat-pulse-static:after{display:none}@keyframes koc-chat-pulse{0%,to{opacity:.25;transform:scale(.8)}50%{opacity:0;transform:scale(1.6)}}.koc-chat-h1{font-family:var(--font-display);letter-spacing:-.025em;color:var(--fg-base);max-width:18ch;margin:4px 0 0;font-size:clamp(36px,6vw,52px);font-weight:500;line-height:1.05}.koc-chat-h1 span{display:inline}.koc-chat-h1-accent{color:var(--fg-muted)}.koc-chat-sub{max-width:56ch;color:var(--fg-muted);margin:4px 0 0;font-size:15px;line-height:1.55}[data-lang=ja] .koc-chat-h1{font-family:var(--font-jp);letter-spacing:-.02em;font-size:clamp(28px,6vw,42px);font-weight:500;line-height:1.2}.koc-chat-frame{background:var(--bg-surface);border:1px solid var(--border-base);border-radius:8px;flex-direction:column;display:flex;overflow:hidden;box-shadow:0 1px #00000005}.koc-chat-frame-head{border-bottom:1px solid var(--border-base);background:var(--bg-base);font-family:var(--font-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--fg-muted);align-items:center;gap:10px;padding:12px 18px;font-size:11px;display:flex}.koc-chat-stream{scroll-behavior:smooth;flex-direction:column;gap:12px;min-height:280px;max-height:520px;padding:22px 18px;display:flex;overflow-y:auto}.koc-chat-bubble{background:var(--bg-subtle);white-space:pre-wrap;word-break:break-word;max-width:78%;color:var(--fg-base);border-radius:12px 12px 12px 2px;align-self:flex-start;padding:12px 14px;font-size:14px;line-height:1.6}.koc-chat-bubble.user{background:var(--pitch);color:#fff;border-radius:12px 12px 2px;align-self:flex-end}.koc-chat-error{background:var(--bg-subtle);border:1px solid var(--border-base);color:var(--fg-base);border-left:3px solid #c0392b;border-radius:4px;justify-content:space-between;align-self:stretch;align-items:center;gap:12px;padding:10px 12px;font-size:12.5px;display:flex}.koc-chat-retry{border:1px solid var(--border-base);font-family:var(--font-mono);letter-spacing:.04em;text-transform:uppercase;color:var(--fg-base);cursor:pointer;background:0 0;border-radius:4px;padding:4px 10px;font-size:10.5px}.koc-chat-retry:hover{border-color:var(--fg-base)}.koc-chat-form{border-top:1px solid var(--border-base);background:var(--bg-base);align-items:center;gap:10px;padding:14px 14px 14px 18px;display:flex}.koc-chat-form input{color:var(--fg-base);background:0 0;border:0;outline:0;flex:1;padding:8px 0;font-family:inherit;font-size:14.5px}.koc-chat-form input::placeholder,.koc-chat-form input:disabled{color:var(--fg-muted)}.koc-chat-form button[type=submit]{background:var(--pitch);color:#fff;cursor:pointer;border:0;border-radius:50%;justify-content:center;align-items:center;width:36px;height:36px;transition:background .15s,opacity .15s,transform 50ms;display:inline-flex}.koc-chat-form button[type=submit]:hover:not(:disabled){background:color-mix(in srgb, var(--pitch) 88%, black)}.koc-chat-form button[type=submit]:active:not(:disabled){transform:scale(.96)}.koc-chat-form button[type=submit]:disabled{opacity:.4;cursor:not-allowed}.koc-chat-suggest{background:var(--bg-base);flex-wrap:wrap;gap:6px;padding:0 18px 18px;display:flex}.koc-chat-suggest button{border:1px solid var(--border-base);font-family:var(--font-mono);letter-spacing:.02em;color:var(--fg-base);cursor:pointer;background:0 0;border-radius:999px;padding:6px 12px;font-size:11px;transition:border-color .12s,background .12s}.koc-chat-suggest button:hover:not(:disabled){border-color:var(--fg-base);background:var(--bg-subtle)}.koc-chat-suggest button:disabled{opacity:.5;cursor:not-allowed}[data-lang=ja] .koc-chat-suggest button{font-family:var(--font-jp);letter-spacing:0;font-size:12.5px}.koc-chat-limit{background:var(--bg-subtle);border:1px dashed var(--border-base);border-radius:6px;margin:0 18px 14px;padding:18px}.koc-chat-limit-title{font-family:var(--font-display);letter-spacing:-.01em;color:var(--fg-base);margin:0 0 6px;font-size:15px;font-weight:600}.koc-chat-limit-body{color:var(--fg-muted);margin:0;font-size:13.5px}.koc-chat-cta{background:var(--fg-base);color:var(--bg-base);font-family:var(--font-mono);letter-spacing:.06em;text-transform:uppercase;border-radius:4px;margin-top:12px;padding:8px 14px;font-size:11px;text-decoration:none;transition:opacity .12s;display:inline-block}.koc-chat-cta:hover{opacity:.85}[data-lang=ja] .koc-chat-cta{font-family:var(--font-jp);letter-spacing:.04em;font-size:12px}.koc-chat-disclaimer{background:var(--bg-base);border-top:1px solid var(--border-base);font-family:var(--font-mono);letter-spacing:.04em;color:var(--fg-muted);text-align:center;margin:0;padding:10px 18px 14px;font-size:10.5px}[data-lang=ja] .koc-chat-disclaimer{font-family:var(--font-jp);letter-spacing:0;font-size:11.5px}.koc-chat-cards{text-align:center;flex-direction:column;align-items:center;gap:10px;display:flex}.koc-chat-h2{font-family:var(--font-display);letter-spacing:-.022em;color:var(--fg-base);margin:6px 0 22px;font-size:clamp(26px,4vw,34px);font-weight:500}[data-lang=ja] .koc-chat-h2{font-family:var(--font-jp);font-size:clamp(22px,4vw,28px);font-weight:500}.koc-chat-card-grid{grid-template-columns:repeat(3,1fr);gap:14px;width:100%;display:grid}.koc-chat-card{background:var(--bg-surface);border:1px solid var(--border-base);text-align:left;border-radius:6px;padding:18px 18px 16px}.koc-chat-card h3{font-family:var(--font-display);letter-spacing:-.005em;color:var(--fg-base);margin:0 0 6px;font-size:14px;font-weight:600}.koc-chat-card p{color:var(--fg-muted);margin:0;font-size:12.5px;line-height:1.5}[data-lang=ja] .koc-chat-card h3{font-family:var(--font-jp);font-size:14px;font-weight:600}@media (max-width:880px){.koc-chat-card-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width:560px){.koc-chat{gap:40px}.koc-chat-card-grid{grid-template-columns:1fr}.koc-chat-stream{min-height:220px;padding:18px 14px}.koc-chat-bubble{max-width:88%;font-size:14px}.koc-chat-form{padding:12px}}