:root{font:16px/1.6 system-ui,-apple-system,"Noto Sans JP",sans-serif;color:#173b35;background:#f3f6f5}*{box-sizing:border-box}[hidden]{display:none!important}body{margin:0}button,input,textarea,select{font:inherit}button{min-height:44px;padding:8px 16px;cursor:pointer;background:#176453;color:white;border:1px solid transparent;border-radius:8px}button:disabled{opacity:.55;cursor:wait}button:hover{filter:brightness(.94)}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid #dd9a29;outline-offset:2px}input,textarea,select{width:100%;min-height:44px;border:1px solid #9db7ae;border-radius:8px;padding:10px;background:white;color:#173b35}textarea{resize:vertical}label{display:block;margin:12px 0}h1{font-size:26px}h2{font-size:20px;margin:0}h3{font-size:18px}p{margin:8px 0}.top{background:#174e45;color:white;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px 24px}.top strong{font-size:20px}.top span{font-size:16px;font-weight:400;display:inline-block}.top button{background:transparent;border-color:#8ab2a7;margin-left:12px}.card{background:white;border:1px solid #d5e1dc;border-radius:12px;padding:24px}.login{max-width:480px;margin:50px auto}.tabs{display:flex;gap:8px;padding:12px 24px;border-bottom:1px solid #d5e1dc;flex-wrap:wrap}.tabs button{background:white;color:#174e45;border-color:#cadbd3}.tabs button[aria-current="page"]{background:#174e45;color:white}.layout{display:grid;grid-template-columns:270px 1fr;max-width:1500px;margin:auto;min-height:70vh}aside{padding:20px;border-right:1px solid #d5e1dc}.section-title{display:flex;gap:12px;align-items:center;justify-content:space-between;margin-bottom:16px;flex-wrap:wrap}#rooms{display:grid;gap:8px}#rooms button{width:100%;text-align:left;background:white;color:#173b35;border-color:#d5e1dc;overflow-wrap:anywhere}#rooms button.selected{border:2px solid #176453;background:#e6f1ed}#content{padding:24px;min-width:0}.toolbar{display:flex;gap:8px;flex-wrap:wrap;margin:10px 0}.secondary{background:white;color:#174e45;border-color:#b7ccc3}.danger{background:#963e38}.muted{color:#526a63}.messages{height:45vh;min-height:250px;overflow:auto;padding:12px;background:#eaf1ee;border-radius:12px;overscroll-behavior:contain}.message{max-width:85%;padding:12px 16px;margin:12px 0;background:white;border-radius:12px;border:1px solid #d5e1dc;overflow-wrap:anywhere}.message.mine{margin-left:auto;background:#d9eee3}.message-body{white-space:pre-wrap}.message-meta{color:#526a63;margin-bottom:6px}.message button{display:block;margin-top:10px}.composer{margin-top:12px}.composer input[type=file]{max-width:100%;background:transparent;border:0;padding:0}.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.row>label{flex:1;min-width:140px}.empty{padding:35px 15px;text-align:center;color:#526a63}.badge{display:inline-block;background:#e6a834;color:#1d302b;border-radius:12px;padding:0 9px;margin-left:8px}.event,.user-row,.file-row{border-bottom:1px solid #d5e1dc;padding:16px 0;overflow-wrap:anywhere}.event.cancelled{opacity:.65}.choices{max-height:40vh;overflow:auto}.choices label{min-height:44px;display:flex;align-items:center;gap:12px}.choices input{width:22px;height:22px;min-height:22px}dialog{width:min(600px,95vw);border:1px solid #b7ccc3;border-radius:14px;padding:24px;max-height:90dvh;overflow:auto}dialog::backdrop{background:#102c2580}#status{padding:0 24px;min-height:28px}#status.error{color:#963e38}#status.success{color:#176453}.meeting{position:fixed;inset:auto 16px 16px auto;width:min(750px,calc(100vw - 32px));max-height:85dvh;overflow:auto;background:#132b26;color:white;border-radius:14px;padding:20px;box-shadow:0 8px 40px #0006;z-index:10}#meetingTracks{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:10px}#meetingTracks video{width:100%;max-height:240px;background:black;border-radius:8px}#meetingControls{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}#meetingControls button{border-color:#9db7ae}.audit{white-space:pre-wrap;overflow-wrap:anywhere;background:#edf3f0;padding:12px}a{color:#176453}.form-help{color:#526a63}body{padding-bottom:env(safe-area-inset-bottom)}@media(max-width:700px){.top{padding:12px;align-items:flex-start}.top strong{font-size:18px}#account{font-size:16px}.tabs{padding:8px}.layout{display:block}aside{padding:12px;border-right:0;border-bottom:1px solid #d5e1dc}#rooms{display:flex;overflow-x:auto;max-height:160px}#rooms button{min-width:150px;width:auto}#content{padding:12px}.login{margin:24px 12px}.messages{height:43dvh}.message{max-width:95%}.meeting{inset:auto 8px 8px;width:calc(100vw - 16px)}.card{padding:16px}}