.kh-converter{background:var(--panel);color:var(--text);border:1px solid var(--line);border-top:4px solid var(--primary);border-radius:4px;padding:28px;margin:16px 0}.kh-tool-head{display:flex;align-items:center;justify-content:space-between;gap:16px;border-bottom:1px solid var(--line);padding-bottom:18px;margin-bottom:22px;font-weight:700}.kh-tool-head>span:first-child{display:flex;gap:10px;align-items:center}.kh-tool-badge{font-size:11px;font-weight:400;background:var(--accent);padding:6px 10px;white-space:nowrap}.kh-tool-settings{display:grid;grid-template-columns:1fr 2fr;gap:24px;align-items:start;margin-bottom:28px;padding:18px;background:var(--bg)}.kh-tool-form label{display:block;font-size:14px;font-weight:700;margin-bottom:8px}.kh-tool-form select,.kh-tool-form textarea{font:inherit;line-height:1.75;padding:12px;background:#fff;color:var(--text);border:1px solid var(--muted);border-radius:3px;width:100%;min-height:46px;margin:8px 0 0}.kh-tool-form textarea{resize:vertical;font-family:'IBM Plex Mono','Noto Sans JP','Yu Gothic',monospace;min-height:180px;font-size:17px}.kh-tool-form .kh-output{background:#F0F7FC}.kh-tool-settings fieldset{border:0;padding:0;margin:0}.kh-tool-settings legend{font-size:14px;font-weight:700;margin-bottom:10px}.kh-tool-settings fieldset label{display:inline-flex;align-items:center;gap:8px;min-height:32px;margin:0 18px 8px 0;font-size:13px;font-weight:400}.kh-tool-settings input{accent-color:var(--primary);width:18px;height:18px;flex:none}.kh-converter-layout{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.kh-tool-form small{display:block;color:var(--muted);font-size:12px;line-height:1.8;margin-top:8px}.kh-input-count,.kh-output-count{color:var(--muted);font-size:12px;min-height:24px;margin:8px 0 12px}.kh-tool-actions{display:flex;align-items:center;flex-wrap:wrap;gap:14px;margin-top:28px;border-top:1px solid var(--line);padding-top:20px}.kh-text-action{background:none;border:0;font:inherit;font-size:13px;color:var(--primary);text-decoration:underline;text-underline-offset:4px;min-height:44px;padding:10px 0;cursor:pointer}.kh-results-summary,.kh-tool-feedback{color:var(--primary);font-size:13px;margin:16px 0 0}.kh-tool-note{color:var(--muted);font-size:12px;line-height:1.9;margin:16px 0 0}.kh-tool-error{border-left:4px solid var(--primary);background:#EFF5FA;padding:14px;font-size:13px}.kh-tool-error[hidden]{display:none}.kh-converter button:disabled{opacity:.55;cursor:not-allowed}.kh-converter :focus-visible{outline:3px solid var(--primary);outline-offset:4px}.kh-converter textarea[aria-invalid=true]{border:2px solid var(--primary)}@media(max-width:1024px){.kh-tool-settings{grid-template-columns:1fr 1.3fr}}@media(max-width:767px){.kh-converter{padding:18px}.kh-tool-head{align-items:flex-start;flex-direction:column;gap:12px}.kh-tool-settings,.kh-converter-layout{grid-template-columns:1fr;gap:18px}.kh-tool-settings{padding:14px}.kh-tool-settings fieldset label{display:flex;margin-bottom:8px}.kh-tool-actions{align-items:flex-start;gap:12px}.kh-tool-form textarea{min-height:160px;font-size:16px}}