body{margin:0;background:#f2f5f8;color:#162e43;font:17px system-ui}header{background:#162e43;color:white;display:flex;justify-content:space-between;padding:24px 5%}header strong{font-size:28px}main{max-width:1100px;margin:auto;padding:28px}section{background:white;border:1px solid #d9e2ea;border-radius:10px;padding:24px;margin:20px 0}.notice{background:#fff2cc;padding:20px;border-left:4px solid #b58113}textarea{display:block;box-sizing:border-box;width:100%;height:180px;margin:12px 0;padding:12px;font:inherit}button,input{font:inherit;margin:8px 8px 8px 0;padding:10px;border:1px solid #bacbd9;border-radius:5px}button{cursor:pointer}button:disabled{opacity:.5;cursor:default}#answer{white-space:pre-wrap;background:#edf6f7;padding:18px}table{border-collapse:collapse;width:100%;font-size:14px}td,th{padding:10px;border-bottom:1px solid #e1e8ef;text-align:left;overflow-wrap:anywhere}#activity{overflow:auto}[hidden]{display:none!important}

.chat-layout{display:grid;grid-template-columns:240px minmax(0,1fr);gap:24px}.chat-layout aside{border-right:1px solid #d9e2ea;padding-right:18px}#conversations button{display:block;width:100%;text-align:left;overflow-wrap:anywhere}#conversations button[aria-current="true"]{background:#162e43;color:white}#history{max-height:520px;overflow:auto}.chat-message{padding:14px 18px;margin:12px 0;border:1px solid #d9e2ea;border-radius:8px}.chat-message.user{background:#edf6f7}.chat-message p{white-space:pre-wrap;overflow-wrap:anywhere;margin:8px 0}#working{font-weight:600}#answer:empty{display:none}textarea{height:120px}button:focus-visible,textarea:focus-visible{outline:3px solid #28739f;outline-offset:2px}@media(max-width:760px){.chat-layout{grid-template-columns:1fr}.chat-layout aside{border-right:0;border-bottom:1px solid #d9e2ea;padding:0 0 16px}main{padding:16px}section{padding:16px}}

header{align-items:center;background:#001c40;padding:8px 5%;gap:20px}.brand-logo{display:block;width:230px;height:110px;object-fit:cover;object-position:center 58%;flex-shrink:0}@media(max-width:480px){header{flex-wrap:wrap;gap:0;padding-bottom:14px}header span{font-size:14px}}