:root{--navy: #1a2f5e;--navy-light: #2a4a8e;--accent: #c0392b;--bg: #f4f6fa;--border: #d5dbe6;--text: #23283a;font-family:Hiragino Kaku Gothic ProN,Yu Gothic,Meiryo,sans-serif;color:var(--text)}*{box-sizing:border-box}body{margin:0;background:var(--bg)}h1,h2,h3{color:var(--navy)}button{background:var(--navy);color:#fff;border:none;border-radius:4px;padding:8px 16px;cursor:pointer;font-size:14px}button:hover{background:var(--navy-light)}button:disabled{background:#aab;cursor:not-allowed}button.secondary{background:#fff;color:var(--navy);border:1px solid var(--navy)}button.danger{background:var(--accent)}input,textarea,select{border:1px solid var(--border);border-radius:4px;padding:8px;font-size:14px;font-family:inherit;width:100%}textarea{min-height:120px;line-height:1.6}label{font-weight:600;font-size:13px;display:block;margin:12px 0 4px}.app-header{background:var(--navy);color:#fff;padding:10px 24px;display:flex;justify-content:space-between;align-items:center}.app-header a{color:#fff;text-decoration:none;font-weight:700}.app-header .user{font-size:13px;display:flex;gap:12px;align-items:center}.app-header .user button{background:transparent;border:1px solid #ffffff66;padding:4px 10px}.container{max-width:1200px;margin:0 auto;padding:24px}.container.wide{max-width:1440px}.project-layout{display:grid;grid-template-columns:220px minmax(0,1fr);gap:24px;align-items:start}.side-menu{position:sticky;top:16px;display:flex;flex-direction:column;gap:4px;background:#fff;border:1px solid var(--border);border-radius:8px;padding:8px}.side-menu button{width:100%;text-align:left;background:transparent;color:var(--navy);border-radius:6px;padding:11px 12px;font-weight:600;line-height:1.4}.side-menu button:hover{background:#eef1f8}.side-menu button.active{background:var(--navy);color:#fff}@media(max-width:900px){.project-layout{grid-template-columns:minmax(0,1fr)}.side-menu{position:static;flex-direction:row;flex-wrap:wrap}.side-menu button{width:auto}}.section-tabs{display:flex;flex-wrap:wrap;gap:4px;border-bottom:1px solid var(--border);padding-bottom:10px;margin-bottom:16px}.section-tabs button{font-size:13px;padding:6px 12px;background:#eef1f8;color:var(--navy)}.section-tabs button.active{background:var(--navy);color:#fff}.section-tabs button .edited{color:var(--accent);margin-left:4px}.card{background:#fff;border:1px solid var(--border);border-radius:8px;padding:20px;margin-bottom:16px}.auth-box{max-width:420px;margin:60px auto}.error{color:var(--accent);font-size:13px;margin:8px 0}.success{color:#1e7e34;font-size:13px;margin:8px 0}.muted{color:#667;font-size:13px}.flash-toast{position:fixed;top:72px;right:24px;z-index:1000;max-width:380px;background:#1e7e34;color:#fff;font-size:14px;line-height:1.6;padding:12px 18px;border-radius:6px;box-shadow:0 4px 16px #0000002e;animation:flash-in .2s ease-out}@keyframes flash-in{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}@media(prefers-reduced-motion:reduce){.flash-toast{animation:none}}.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.spacer{flex:1}table.list{width:100%;border-collapse:collapse;font-size:14px}table.list th,table.list td{border:1px solid var(--border);padding:8px 10px;text-align:left}table.list th{background:#e8edf6}.tabs{display:flex;gap:4px;border-bottom:2px solid var(--navy);flex-wrap:wrap;margin-bottom:16px}.tabs button{background:#dde4f0;color:var(--navy);border-radius:6px 6px 0 0;padding:8px 14px}.tabs button.active{background:var(--navy);color:#fff}.doc-tabs{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:16px}.doc-tabs button{font-size:12px;padding:6px 10px;background:#e6eaf3;color:var(--navy)}.doc-tabs button.active{background:var(--navy);color:#fff}.doc-tabs button.locked{background:#eee;color:#99a}.phase-label{width:100%;font-size:12px;font-weight:700;color:#667;margin-top:6px}.badge{display:inline-block;padding:2px 8px;border-radius:10px;font-size:11px;font-weight:700}.badge.draft{background:#eee;color:#555}.badge.authorSigned{background:#fff3cd;color:#856404}.badge.reviewed{background:#cce5ff;color:#004085}.badge.approved{background:#d4edda;color:#155724}.badge.warn{background:#fff3cd;color:#856404}.badge.over{background:#f8d7da;color:#721c24}.md{font-size:14px;line-height:1.8}.md h3{font-size:17px;margin:20px 0 8px;padding-bottom:4px;border-bottom:2px solid var(--navy)}.md h4{font-size:15px;margin:18px 0 6px;padding-left:8px;border-left:4px solid var(--navy)}.md h5{font-size:14px;margin:14px 0 4px;color:var(--navy-light)}.md p{margin:8px 0;white-space:pre-wrap}.md ul,.md ol{margin:8px 0;padding-left:22px}.md li{margin:3px 0}.md>:first-child{margin-top:0}.section-editor{margin-bottom:20px}.section-editor h3{margin:0 0 6px;font-size:15px}.section-editor .guidance{font-size:12px;color:#778;margin-bottom:6px}.doc-layout{display:grid;grid-template-columns:1fr 360px;gap:16px}@media(max-width:900px){.doc-layout{grid-template-columns:1fr}}.chat-panel{display:flex;flex-direction:column;height:640px;position:sticky;top:16px}.chat-messages{flex:1;overflow-y:auto;padding:8px;background:#f8f9fc;border:1px solid var(--border);border-radius:6px}.chat-msg{margin-bottom:10px;font-size:13px;white-space:pre-wrap}.chat-msg .who{font-weight:700;font-size:11px;color:#667}.chat-msg.assistant{background:#eef2fb;border-radius:6px;padding:8px}.progress-bar{height:10px;background:#e2e7f0;border-radius:5px;overflow:hidden}.progress-bar>div{height:100%;background:var(--navy)}.progress-bar>div.warn{background:#e0a800}.progress-bar>div.over{background:var(--accent)}.sig-table{width:100%;border-collapse:collapse;font-size:13px;margin-top:8px}.sig-table th,.sig-table td{border:1px solid var(--border);padding:6px 8px}.sig-table th{background:#e8edf6}.suspend-banner{background:#f8d7da;color:#721c24;padding:16px;border-radius:8px;font-weight:700}.gen-indicator{position:fixed;left:50%;transform:translate(-50%);bottom:24px;z-index:1000;display:flex;align-items:center;gap:10px;padding:12px 20px;background:#fff;border:1px solid var(--navy);border-radius:8px;font-size:13px;box-shadow:0 4px 16px #0000002e;max-width:calc(100vw - 32px);flex-wrap:wrap}.gen-step{color:#99a}.gen-step.active{color:var(--navy);font-weight:700}.gen-step.done{color:#155724}.gen-step+.gen-step:before{content:"→";margin-right:10px;color:#bbc;font-weight:400}.spinner{width:14px;height:14px;border:2px solid #c6d0e4;border-top-color:var(--navy);border-radius:50%;animation:gen-spin .8s linear infinite;flex-shrink:0}@keyframes gen-spin{to{transform:rotate(360deg)}}