*{box-sizing:border-box}body{margin:0;background:#fffaf5;color:#333;font:16px/1.8 Arial,"Hiragino Kaku Gothic ProN",Meiryo,sans-serif;overflow-wrap:anywhere}a{color:#a74b05;text-underline-offset:3px}header,main,footer{max-width:960px;margin:auto;padding:20px}header{border-bottom:3px solid #ed9b22}h1{font-size:clamp(24px,5vw,32px);line-height:1.4;color:#65431b}.archive-notice{padding:14px;background:#fff0d5;border-left:4px solid #e7a044}.qa-body{margin:28px 0}.qa-body dt{margin-top:24px;padding:12px 16px;background:#f8e8ef;border-left:5px solid #c43e78;font-size:20px;font-weight:bold}.qa-body dd{margin:0;padding:16px;background:#fff;border:1px solid #ead7bc}.qa-navigation{display:flex;flex-wrap:wrap;gap:8px;padding:0;list-style:none}.qa-navigation a{display:block;padding:8px 12px;background:#fff;border:1px solid #ead7bc;border-radius:4px}a:focus-visible{outline:3px solid #a74b05;outline-offset:3px}footer{border-top:1px solid #ead7bc}@media(max-width:600px){header,main,footer{padding:16px}.qa-body dt{font-size:18px;padding:10px 12px}.qa-body dd{padding:14px}.qa-navigation li{max-width:100%}}
