:root{font-family:-apple-system,BlinkMacSystemFont,"Hiragino Sans","Noto Sans JP",sans-serif;color:#1c304b;background:#eaf0f8;font-size:16px;font-synthesis:none;--blue:#1764df;--muted:#66788f;--line:#e4eaf2}*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit}button{cursor:pointer;-webkit-tap-highlight-color:transparent}button:disabled{cursor:not-allowed;opacity:.45}button:focus-visible,a:focus-visible{outline:3px solid #80aefc;outline-offset:3px}button{transition:background .15s,transform .15s}button:active:not(:disabled){transform:translateY(1px)}.app{max-width:520px;margin:28px auto;background:#f5f8fc;min-height:calc(100dvh - 56px);border:1px solid #dbe4f0;border-radius:24px;overflow:hidden;box-shadow:0 12px 60px #243e6710}header{padding:21px 23px;display:flex;align-items:center;justify-content:space-between;background:white}.brand{font-weight:750;display:flex;align-items:center;gap:10px;font-size:19px;letter-spacing:-.5px}.mark{width:38px;height:38px;background:var(--blue);color:white;display:grid;place-items:center;border-radius:12px;font-size:29px;font-weight:600}.ai-word{color:var(--blue);margin-left:3px}.brand small{display:block;font-size:12px;font-weight:400;color:var(--muted);letter-spacing:.5px;margin-top:3px}.icon-btn{border:1px solid var(--line);border-radius:50%;width:36px;height:36px;background:white;color:#445a75}.demo-banner{background:#eaf2ff;text-align:center;padding:9px 8px;color:#47678f;font-size:12px}.demo-banner span{font-weight:700;color:#245cb0;margin-right:8px}.overview{padding:23px 25px 0;background:white}.eyebrow{font-size:12px;letter-spacing:1.2px;font-weight:700;color:var(--blue)}h1{font-size:22px;letter-spacing:-.5px;margin:9px 0 21px}h2{font-size:19px;line-height:1.5;margin:10px 0 12px}h3{font-size:16px;margin:14px 0 8px}.overview-row{display:flex;align-items:center;justify-content:space-between;gap:10px}.muted,p{color:var(--muted);font-size:14px;line-height:1.8}.amount{font-size:39px;color:var(--blue);font-weight:750;letter-spacing:-1px;font-variant-numeric:tabular-nums;margin-top:1px}.amount small{font-size:16px;letter-spacing:0;margin-left:7px}.status-pill{background:#edf4ff;padding:7px 10px;border-radius:7px;color:#3869ac;font-size:12px;white-space:nowrap}.progress-caption{display:flex;justify-content:space-between;font-size:12px;color:var(--muted);margin-top:20px;margin-bottom:8px}.progress-caption strong{color:var(--blue)}.progress{height:5px;background:#eaf0f8;border-radius:4px;overflow:hidden}.progress i{display:block;background:var(--blue);width:0;height:100%;border-radius:4px;transition:width .4s}.steps-link{width:100%;border:0;background:white;padding:15px 0;text-align:left;color:#61748d;font-size:12px;display:flex;justify-content:space-between}nav{display:flex;background:white;border-bottom:1px solid var(--line);padding:0 20px;position:sticky;top:0;z-index:4}.tab{flex:1;border:0;background:none;color:var(--muted);font-size:14px;padding:15px 3px;border-bottom:3px solid transparent}.tab.active{color:var(--blue);font-weight:700;border-color:var(--blue)}.tab span{font-size:11px;background:#edf2f8;border-radius:10px;padding:1px 6px;margin-left:3px}main{padding:18px 20px 26px;min-height:300px}.day-label{text-align:center;font-size:12px;color:#8390a1;margin:3px 0 22px}.message{display:flex;gap:9px;align-items:flex-start;margin:15px 0}.avatar{flex-shrink:0;background:var(--blue);color:white;display:grid;place-items:center;border-radius:12px;width:30px;height:30px;font-size:21px}.bubble{border:1px solid var(--line);background:white;border-radius:0 15px 15px 15px;padding:15px 16px;font-size:14px;line-height:1.9;max-width:calc(100% - 39px);overflow-wrap:anywhere}.message.user{justify-content:flex-end}.user .bubble{background:#e5eeff;color:#244d88;border:0;border-radius:15px 0 15px 15px}.step-card{margin:16px 0 20px 39px;padding:19px 18px;background:white;border:1px solid #d9e5f5;border-radius:15px;box-shadow:0 4px 14px #293e6204}.step-card p{margin-top:4px}.primary,.secondary,.choice{width:100%;padding:13px 15px;border-radius:9px;line-height:1.5;font-size:14px;font-weight:650;min-height:46px}.primary{background:var(--blue);border:1px solid var(--blue);color:white;margin-top:12px}.primary:hover{background:#1255c2}.secondary,.choice{background:white;border:1px solid #d9e4f2;color:#315a8d;margin-top:9px}.choice{text-align:left;display:flex;justify-content:space-between;align-items:center}.choice:hover{background:#f1f6ff}.text-btn{border:0;background:transparent;color:var(--blue);font-size:13px;padding:9px 0;text-decoration:underline;text-underline-offset:3px}.form-grid{display:grid;gap:13px}.field{display:block;font-size:13px;font-weight:600;color:#49617b}.field input,.field select,.field textarea{display:block;width:100%;min-width:0;border:1px solid #cfdae9;border-radius:7px;padding:11px 10px;margin-top:6px;background:#fff;color:#243950;font-weight:400;font-size:15px}.field textarea{min-height:80px;resize:vertical}input:focus,select:focus,textarea:focus{outline:2px solid #a6c6fc;border-color:var(--blue)}.note{font-size:12px;line-height:1.7;color:#738299;margin:10px 0}.notice{padding:12px;background:#fff6e8;color:#8f6227;border:1px solid #f5e2c1;border-radius:8px;font-size:13px;line-height:1.75;margin:12px 0}.good{background:#eaf7f2;color:#207257;border-color:#cfe9df}.kv{display:flex;justify-content:space-between;gap:12px;padding:10px 0;border-bottom:1px solid #edf1f6;font-size:13px;line-height:1.6}.kv span{color:var(--muted)}.kv strong{text-align:right;overflow-wrap:anywhere}.total{border-top:2px solid #dfe9f6;margin-top:8px;font-weight:700;color:var(--blue);font-size:17px}.preview-img{width:100%;max-height:190px;object-fit:cover;object-position:top;border:1px solid var(--line);border-radius:8px;margin-top:10px;cursor:zoom-in}.thumb-row{display:flex;gap:12px;align-items:center;padding:12px;border:1px solid var(--line);border-radius:9px}.thumb-row img{width:45px;height:58px;object-fit:cover;border-radius:3px}.thumb-row strong{font-size:13px}.thumb-row small{display:block;color:var(--muted);font-size:12px;margin-top:4px}.doc-card{background:white;border:1px solid var(--line);border-radius:12px;padding:15px;margin:12px 0}.doc-head{display:flex;justify-content:space-between;gap:8px;align-items:flex-start;font-size:14px;font-weight:650}.badge{flex-shrink:0;font-size:11px;padding:4px 7px;border-radius:5px;background:#fff4e4;color:#9b6a27}.badge.done{color:#24785b;background:#eaf7f1}.doc-actions{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.upload{font-size:12px;color:var(--blue);cursor:pointer;text-decoration:underline;display:inline-block;padding:10px 0}.upload input{position:absolute;width:1px;height:1px;opacity:0}.upload:focus-within{outline:2px solid var(--blue)}.inline-check{display:flex;gap:10px;font-size:14px;line-height:1.8;margin:15px 0}.inline-check input{width:19px;height:19px;flex-shrink:0;accent-color:var(--blue)}.summary-card{padding:20px;background:white;border:1px solid var(--line);border-radius:13px;margin:12px 0}.summary-head{display:flex;align-items:center;justify-content:space-between}.summary-head h3{margin:0}.history-separator{text-align:center;font-size:12px;color:#8291a3;margin:26px 0}.composer{display:flex;gap:8px;margin-top:22px}.composer input{flex:1;min-width:0;border:1px solid #dce5f0;border-radius:10px;padding:13px;font-size:14px}.composer button{width:44px;background:var(--blue);color:white;border:0;border-radius:10px}.check-item{display:flex;gap:10px;margin:12px 0;padding:11px;background:#f5f8fc;border-radius:8px;font-size:13px;line-height:1.7}.check-icon{color:#257657;font-weight:700}.check-icon.bad{color:#b77122}footer{padding:15px 16px max(17px,env(safe-area-inset-bottom));border-top:1px solid var(--line);display:flex;gap:6px;align-items:center;font-size:10px;color:#8190a3;background:white}footer span:last-child{margin-left:auto}.save-dot{width:5px;height:5px;border-radius:50%;background:#419578}dialog{border:0;border-radius:18px;padding:24px;width:min(94vw,500px);max-height:85dvh;overflow:auto;color:#243950;box-shadow:0 20px 80px #142c4940}dialog::backdrop{background:#1e304b70}dialog img{max-width:100%;height:auto}dialog h2{margin-top:0}.steps-list{list-style:none;padding:0}.steps-list li{padding:11px 0;border-bottom:1px solid var(--line);font-size:14px}.steps-list span{display:inline-block;width:25px;color:var(--blue);font-weight:700}#toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);background:#233b5a;color:#fff;padding:12px 20px;border-radius:9px;max-width:90vw;width:max-content;font-size:13px;display:none;z-index:20}.draft{white-space:pre-wrap;font:13px/1.9 inherit;overflow-wrap:anywhere;background:#f5f8fc;border:1px solid var(--line);padding:15px;border-radius:8px}.source a{color:var(--blue);font-size:12px}details summary{cursor:pointer;color:#45688e;font-size:13px;padding:9px 0}.edit-label{background:#edf4ff;color:#3667a8;font-size:12px;padding:8px;border-radius:6px;margin-bottom:10px}@media(max-width:600px){body{background:white}.app{margin:0;min-height:100dvh;border:0;border-radius:0;box-shadow:none}header{padding:18px 20px}.overview{padding:20px 22px 0}}@media(max-width:360px){main{padding:15px 12px}.step-card{margin-left:0}.amount{font-size:33px}.status-pill{white-space:normal}.brand{font-size:17px}}@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}@media print{header,nav,footer,.overview,.demo-banner,button,.composer{display:none}.app{border:0;margin:0;max-width:none;box-shadow:none}main{padding:0}.summary-card{break-inside:avoid}}

.step-card{scroll-margin-top:65px}.bubble{font-size:16px}.form-grid{font-size:16px}footer{font-size:12px;flex-wrap:wrap}footer span:last-child{margin-left:0}.step-card>p{font-size:14px}

.sample-document{display:grid;place-content:center;flex-shrink:0;width:48px;height:62px;border:1px solid #b8d0f6;background:#edf4ff;color:#1764df;font-size:12px;text-align:center;border-radius:5px;line-height:1.7}