:root{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans JP",Meiryo,sans-serif;color:#223c44;background:#fff;font-synthesis:none}*{box-sizing:border-box}body{margin:0}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer}button:focus-visible,a:focus-visible{outline:3px solid #ad6208;outline-offset:3px}.chat{max-width:780px;margin:auto;min-height:100svh;display:flex;flex-direction:column;border:1px solid #dce9e8;border-radius:20px;overflow:hidden}header{background:#164e52;color:white;padding:28px;display:flex;gap:16px;align-items:center}.symbol{display:grid;place-items:center;flex-shrink:0;width:48px;height:48px;border:1px solid #81b4ad;border-radius:16px;font-size:27px}.eyebrow{font-size:12px;letter-spacing:.12em;margin:0 0 8px;color:#c3e5de}h1{font-size:23px;line-height:1.5;margin:0}.sub{font-size:13px;margin:8px 0 0;color:#d9eae7}.content{padding:22px;background:#f5f9f8;flex:1}nav{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px;gap:12px}nav button,.text-btn{color:#255e60;border:0;background:transparent;text-decoration:underline;text-underline-offset:4px;padding:10px 2px;font-size:13px}nav span{font-size:11px;color:#576f74}h2{font-size:18px;line-height:1.65;margin:0 0 16px}.intro{font-size:14px;line-height:1.85;margin:0 0 18px}.options{display:grid;gap:10px}.choice{width:100%;display:flex;justify-content:space-between;align-items:center;gap:12px;text-align:left;background:white;color:#254b51;border:1px solid #c8ddda;border-radius:12px;min-height:52px;padding:14px 17px;font-size:14px;line-height:1.65}.choice::after{content:'›';font-size:23px;color:#3e7b78;flex-shrink:0}.choice:hover{background:#e9f3ef;border-color:#568b86}.category-grid{grid-template-columns:1fr 1fr}.question{background:#dfeee8;border-radius:14px 14px 3px 14px;padding:14px 18px;margin:0 0 20px 24px;font-size:15px;line-height:1.7}.answer{white-space:pre-line;background:white;padding:22px;border:1px solid #dce9e6;border-radius:3px 14px 14px 14px;font-size:15px;line-height:1.95;margin-bottom:22px}.label{font-size:11px;color:#556e71;margin:0 0 8px}.actions{display:flex;flex-wrap:wrap;gap:10px}.actions button,.contact{border:1px solid #376f6b;background:white;color:#285b58;padding:12px 16px;border-radius:9px;font-size:14px;line-height:1.5;min-height:46px}.actions .primary{color:white;background:#22635e}.contact{display:inline-block;margin:8px 0;text-decoration:none}.note{font-size:12px;line-height:1.8;color:#526b6b}footer{padding:14px 24px;display:flex;justify-content:space-between;gap:12px;font-size:11px;color:#5b7275;border-top:1px solid #e1ebe8}#screen:focus{outline:none}@media(max-width:440px){header{padding:22px 18px;gap:12px}.symbol{display:none}h1{font-size:20px}.content{padding:18px 15px}.category-grid{grid-template-columns:1fr}.answer{padding:17px}.chat{border-radius:12px}.question{margin-left:14px}footer{padding:14px 16px}}