:root{
    --navy:#0E1E3A; --navy2:#1F3864; --navy3:#2E4D7B;
    --gold:#C9A227; --gold-soft:#F3E2A8;
    --bg:#EBEEF3; --panel:#FFFFFF; --ink:#23303F; --mute:#6B7280;
    --line:#D7DCE3; --line2:#E7EBF0; --hl:#FFF3B0; --field:#FBE9F2; --field-b:#E48CB8;
    --ok:#1E7A46;
    --sans:"Yu Gothic","Hiragino Kaku Gothic ProN","Hiragino Sans","Meiryo",system-ui,sans-serif;
    --mincho:"Yu Mincho","Hiragino Mincho ProN","HG Mincho E",serif;
  }
  *{box-sizing:border-box}
  html,body{margin:0;height:100%}
  body{font-family:var(--sans);color:var(--ink);background:var(--bg);font-size:14px;-webkit-font-smoothing:antialiased}
  button{font-family:inherit;cursor:pointer}
  .hidden{display:none!important}

  /* ===== top chrome ===== */
  .topbar{height:48px;background:var(--navy);color:#fff;display:flex;align-items:center;gap:14px;padding:0 16px}
  .brand{display:flex;align-items:center;gap:9px;font-weight:700;letter-spacing:.02em}
  .brand .dot{width:11px;height:11px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 3px rgba(201,162,39,.25)}
  .brand small{font-weight:500;color:#9DB0CC;font-size:11px;letter-spacing:.14em;margin-left:2px}
  .topnav{display:flex;gap:4px;margin-left:8px}
  .topnav a{color:#C8D4E6;text-decoration:none;font-size:12.5px;padding:6px 10px;border-radius:6px}
  .topnav a:hover{background:rgba(255,255,255,.08);color:#fff}
  .topright{margin-left:auto;display:flex;align-items:center;gap:14px;font-size:12px;color:#AEBED6}
  .topright b{color:#fff;font-weight:600}
  .pill{background:rgba(255,255,255,.12);padding:3px 9px;border-radius:20px;font-size:11px}

  /* ===== LIBRARY ===== */
  .lib{display:flex;height:calc(100% - 48px)}
  .lib-rail{width:78px;background:#16213B;color:#9DB0CC;display:flex;flex-direction:column;align-items:center;padding-top:12px;gap:4px;flex:0 0 auto}
  .rail-item{width:64px;text-align:center;padding:10px 4px;border-radius:8px;font-size:11px;line-height:1.4}
  .rail-item .ic{font-size:18px;display:block;margin-bottom:3px}
  .rail-item.on{background:rgba(201,162,39,.15);color:#fff}
  .rail-item:hover{background:rgba(255,255,255,.06);color:#fff}
  .lib-terms{width:150px;background:#F4F6F9;border-right:1px solid var(--line);padding:14px 0;flex:0 0 auto;overflow:auto}
  .term{padding:10px 16px;font-size:13px;cursor:pointer;border-left:3px solid transparent}
  .term .y{font-weight:700}.term .m{color:var(--mute);font-size:11px}
  .term.on{background:#fff;border-left-color:var(--gold);font-weight:700}
  .term:hover{background:#fff}
  .lib-q{width:118px;background:#FAFBFC;border-right:1px solid var(--line);padding:14px 0;flex:0 0 auto}
  .qitem{padding:9px 14px;font-size:12.5px;cursor:pointer;color:#445}
  .qitem.on{background:#EEF3FB;color:var(--navy2);font-weight:700;box-shadow:inset 3px 0 0 var(--navy2)}
  .qitem:hover{background:#EEF3FB}
  .lib-main{flex:1;overflow:auto;padding:22px 30px}
  .lib-head{display:flex;align-items:center;margin-bottom:14px}
  .lib-head h1{font-size:18px;margin:0;color:var(--navy)}
  .addbtn{margin-left:auto;background:var(--navy2);color:#fff;border:0;border-radius:8px;padding:9px 16px;font-size:13px;font-weight:600;display:flex;align-items:center;gap:7px}
  .addbtn:hover{background:var(--navy)}
  .doc-group{margin:18px 0 6px;font-size:11px;letter-spacing:.12em;color:var(--gold);font-weight:700}
  .doc{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:13px 16px;margin-bottom:9px;display:flex;align-items:center;gap:13px;cursor:pointer;transition:.12s}
  .doc:hover{border-color:var(--navy3);box-shadow:0 4px 14px rgba(20,40,80,.08);transform:translateY(-1px)}
  .doc .fic{width:34px;height:40px;border:1.5px solid var(--navy3);border-radius:4px;position:relative;flex:0 0 auto;background:#fff}
  .doc .fic:before{content:"";position:absolute;top:5px;left:6px;right:6px;height:2px;background:var(--navy3);box-shadow:0 5px 0 var(--navy3),0 10px 0 var(--navy3),0 15px 0 #cdd6e3,0 20px 0 #cdd6e3}
  .doc .fic.gold{border-color:var(--gold)}.doc .fic.gold:before{background:var(--gold);box-shadow:0 5px 0 var(--gold),0 10px 0 var(--gold),0 15px 0 #e6d49a,0 20px 0 #e6d49a}
  .doc .meta{flex:1}
  .doc .cat{font-size:10.5px;color:var(--mute)}
  .doc .nm{font-size:14.5px;font-weight:600;color:var(--ink);margin-top:1px}
  .doc .badge{font-size:10.5px;padding:2px 8px;border-radius:20px;background:#EEF3FB;color:var(--navy2);font-weight:600}
  .doc .cmd{color:var(--mute);font-size:18px;padding:4px 8px;border-radius:6px}
  .doc .cmd:hover{background:#eef1f5}

  /* ===== EDITOR ===== */
  .editor{display:none;flex-direction:column;height:calc(100% - 48px)}
  .editor.on{display:flex}
  .ed-title{background:var(--navy2);color:#fff;height:40px;display:flex;align-items:center;gap:10px;padding:0 14px;font-size:13px}
  .ed-title .docnm{font-weight:700}
  .ed-title .sep{color:#7C93B8}
  .ed-title .sect{color:#CBD8EC}
  .ed-title .save{margin-left:auto;font-size:11.5px;color:#A9E2C0;display:flex;align-items:center;gap:6px}
  .ed-title .save .d{width:7px;height:7px;border-radius:50%;background:#56d98b}
  .ed-title .close{background:rgba(255,255,255,.12);border:0;color:#fff;border-radius:6px;padding:6px 12px;font-size:12px;margin-left:14px}
  .ed-title .close:hover{background:rgba(255,255,255,.22)}
  .ed-title .tocbtn{margin-left:0;margin-right:4px;display:none}
  /* ribbon tabs */
  .tabs{background:#F4F6F9;border-bottom:1px solid var(--line);display:flex;gap:2px;padding:0 10px;overflow-x:auto}
  .tab{padding:9px 15px;font-size:13px;color:#445;border:0;background:transparent;border-bottom:2px solid transparent;white-space:nowrap}
  .tab.on{color:var(--navy);font-weight:700;border-bottom-color:var(--gold);background:#fff}
  .tab:hover{color:var(--navy)}
  /* ribbon body */
  .ribbon{background:#fff;border-bottom:1px solid var(--line);display:flex;gap:0;padding:8px 4px;overflow-x:auto;align-items:stretch}
  .rgroup{display:flex;flex-direction:column;align-items:center;padding:0 12px;border-right:1px solid var(--line2);min-width:max-content}
  .rgroup .rg-body{display:flex;gap:5px;align-items:center;flex:1}
  .rgroup .rg-label{font-size:10px;color:var(--mute);margin-top:5px}
  .rbtn{border:1px solid transparent;background:#fff;border-radius:6px;padding:6px 8px;font-size:13px;color:#33414f;display:flex;flex-direction:column;align-items:center;gap:3px;min-width:38px}
  .rbtn .ic{font-size:16px;line-height:1}
  .rbtn .tx{font-size:10.5px}
  .rbtn:hover{background:#EEF3FB;border-color:#D6E0EE}
  .rbtn.icon-only{flex-direction:row}
  .rbtn.primary{background:var(--gold);border-color:var(--gold);color:#3a2e05;font-weight:700}
  .rbtn.primary:hover{background:#d8b43a}
  select.rsel{border:1px solid var(--line);border-radius:6px;padding:6px 8px;font-size:12.5px;background:#fff;color:#33414f}
  .rg-row{display:flex;gap:4px}

  /* editor body */
  .ed-body{flex:1;display:flex;overflow:hidden}
  .toc{width:268px;background:#F7F9FC;border-right:1px solid var(--line);overflow:auto;flex:0 0 auto;padding:8px 0}
  .toc-h{font-size:11px;letter-spacing:.1em;color:var(--mute);padding:10px 16px 6px}
  .toc-grp{font-size:12px;font-weight:700;color:var(--navy2);padding:8px 14px 4px;display:flex;align-items:center;gap:7px}
  .toc-grp .tag{font-size:9px;background:var(--navy2);color:#fff;border-radius:3px;padding:1px 5px;font-weight:700;letter-spacing:.04em}
  .toc-i{padding:6px 16px 6px 30px;font-size:12.5px;color:#445;cursor:pointer;border-left:3px solid transparent}
  .toc-i:hover{background:#EAF0FA}
  .toc-i.on{background:#fff;border-left-color:var(--gold);color:var(--navy);font-weight:700;box-shadow:inset -1px 0 0 var(--line)}

  .canvas-wrap{flex:1;overflow:auto;background:#dfe3ea;padding:26px 0}
  .page{width:720px;max-width:calc(100% - 36px);margin:0 auto;background:#fff;box-shadow:0 6px 26px rgba(20,40,80,.13);padding:64px 70px;min-height:900px;font-family:var(--mincho);color:#1a1a1a;line-height:1.9}
  .page:focus{outline:none}
  .page h2.doc-h{font-size:21px;text-align:center;letter-spacing:.3em;margin:0 0 22px;font-weight:700}
  .page .right{text-align:right}
  .page .center{text-align:center}
  .page .ki{text-align:center;font-weight:700;font-size:16px;letter-spacing:.5em;margin:14px 0}
  .page table.fin{width:100%;border-collapse:collapse;font-family:var(--sans);font-size:12px;margin:8px 0}
  .page table.fin th,.page table.fin td{border:1px solid #b9c0cc;padding:4px 8px}
  .page table.fin th{background:#1F3864;color:#fff;font-weight:600;text-align:center}
  .page table.fin td.r{text-align:right;font-variant-numeric:tabular-nums}
  .page table.fin td.lbl{background:#eef1f6}
  .page table.rec{border-collapse:collapse;margin:4px 0 14px}
  .page table.rec td{padding:2px 10px 2px 0;vertical-align:top}
  .field{background:var(--field);box-shadow:inset 0 0 0 1px var(--field-b);border-radius:2px;padding:0 3px}
  .unit{text-align:right;font-family:var(--sans);font-size:11px;color:#555}
  .pgbreak{font-family:var(--sans);font-size:10px;color:#9aa3b2;text-align:center;border-top:1px dashed #c4ccd8;margin:26px 0 8px;padding-top:3px}

  /* modal */
  .ovl{position:fixed;inset:0;background:rgba(14,30,58,.5);display:flex;align-items:center;justify-content:center;z-index:50}
  .modal{background:#fff;border-radius:14px;width:540px;max-width:92vw;max-height:86vh;overflow:auto;box-shadow:0 24px 60px rgba(0,0,0,.3)}
  .modal h3{margin:0;padding:18px 22px;border-bottom:1px solid var(--line);font-size:16px;color:var(--navy);display:flex;align-items:center;gap:10px}
  .modal .body{padding:18px 22px}
  .modal .x{margin-left:auto;border:0;background:#eef1f5;border-radius:6px;width:28px;height:28px;font-size:16px;color:#445}
  .tpl{display:flex;align-items:center;gap:13px;border:1px solid var(--line);border-radius:10px;padding:13px 15px;margin-bottom:10px;cursor:pointer}
  .tpl:hover{border-color:var(--navy3);background:#F7F9FC}
  .tpl .ti{width:30px;height:30px;border-radius:7px;background:var(--navy2);color:#fff;display:flex;align-items:center;justify-content:center;font-size:15px;flex:0 0 auto}
  .tpl .tt{font-weight:600}.tpl .td{font-size:11.5px;color:var(--mute)}
  .note{font-size:12px;color:var(--mute);background:#F7F9FC;border:1px solid var(--line);border-radius:8px;padding:11px 13px;margin-top:6px}
  .modal .ok{background:var(--navy2);color:#fff;border:0;border-radius:8px;padding:10px 18px;font-weight:600;font-size:13px}
  .modal .row{display:flex;gap:10px;justify-content:flex-end;margin-top:6px}

  /* toast */
  .toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:var(--navy);color:#fff;padding:12px 20px;border-radius:10px;font-size:13px;box-shadow:0 10px 30px rgba(0,0,0,.3);z-index:60;display:flex;align-items:center;gap:10px;opacity:0;transition:.25s;pointer-events:none}
  .toast.show{opacity:1;bottom:34px}
  .toast .dot{width:8px;height:8px;border-radius:50%;background:var(--gold)}

  .demoflag{position:fixed;top:54px;right:10px;background:var(--gold);color:#3a2e05;font-size:10.5px;font-weight:700;padding:3px 10px;border-radius:20px;z-index:40;letter-spacing:.04em}

  @media(max-width:760px){
    .lib-rail{display:none}.lib-terms{width:120px}.lib-q{display:none}
    .toc{position:absolute;z-index:30;height:100%;box-shadow:6px 0 18px rgba(0,0,0,.15)}
    .toc.collapsed{display:none}
    .page{padding:34px 24px}
    .topnav{display:none}
    .ed-title .tocbtn{display:inline-block}
  }

/* ===== AI サポートパネル ===== */
.rbtn.ai{background:#F3EEFF;border-color:#D9C9F5;color:#5A3FB0}
.rbtn.ai:hover{background:#E9DFFB}
.ai-panel{width:330px;background:#fff;border-left:1px solid var(--line);display:flex;flex-direction:column;flex:0 0 auto}
.ai-panel.hidden{display:none}
.ai-head{background:#5A3FB0;color:#fff;padding:11px 14px;display:flex;align-items:center;gap:8px;font-weight:700;font-size:13px}
.ai-head .sp{width:9px;height:9px;border-radius:50%;background:#C9A227}
.ai-head .x{margin-left:auto;background:rgba(255,255,255,.18);border:0;color:#fff;border-radius:6px;width:26px;height:26px;font-size:15px}
.ai-tabs{display:flex;border-bottom:1px solid var(--line)}
.ai-tab{flex:1;padding:9px 4px;font-size:12px;border:0;background:#F7F5FC;color:#5A3FB0;border-bottom:2px solid transparent}
.ai-tab.on{background:#fff;font-weight:700;border-bottom-color:#5A3FB0}
.ai-body{flex:1;overflow:auto;padding:13px 14px}
.ai-hint{font-size:11.5px;color:var(--mute);margin:0 0 9px}
.ai-in{width:100%;border:1px solid var(--line);border-radius:8px;padding:8px;font-family:var(--sans);font-size:12.5px;resize:vertical;min-height:54px}
.ai-run{margin-top:9px;width:100%;background:#5A3FB0;color:#fff;border:0;border-radius:8px;padding:10px;font-weight:600;font-size:13px}
.ai-run:hover{background:#4A3295}
.ai-run:disabled{opacity:.6}
.ai-result{margin-top:13px;border:1px solid var(--line);border-radius:8px;background:#FAFAFE;padding:11px;font-size:12.5px;line-height:1.7;white-space:pre-wrap;min-height:40px;color:#23303F}
.ai-actions{display:flex;gap:7px;margin-top:9px}
.ai-actions button{flex:1;border:1px solid #D9C9F5;background:#fff;color:#5A3FB0;border-radius:7px;padding:8px;font-size:12px;font-weight:600}
.ai-actions button:hover{background:#F3EEFF}
.ai-spin{display:inline-block;width:13px;height:13px;border:2px solid #fff;border-top-color:transparent;border-radius:50%;animation:spin .7s linear infinite;vertical-align:-2px;margin-right:6px}
@keyframes spin{to{transform:rotate(360deg)}}
.ai-disclaimer{font-size:10.5px;color:var(--mute);margin-top:10px;border-top:1px solid var(--line2);padding-top:8px}
@media(max-width:760px){.ai-panel{position:absolute;right:0;height:100%;z-index:31;box-shadow:-6px 0 18px rgba(0,0,0,.15)}}

/* ===== ログイン・権限表示 ===== */
.rolechip{font-size:10.5px;font-weight:700;padding:3px 9px;border-radius:20px;letter-spacing:.04em;text-transform:uppercase}
.role-admin{background:#FDEBD0;color:#9C5700}
.role-editor{background:#D7E6F7;color:#1F5C99}
.role-viewer{background:#E2E6EC;color:#445}
.role-trial{background:#EADCFB;color:#5A3FB0}
.trialbar{background:#F3EEFF;color:#5A3FB0;font-size:12.5px;font-weight:600;text-align:center;padding:8px 14px;border-bottom:1px solid #E0D2F5}
.trialbar.over{background:#FDECEC;color:#B0341F;border-bottom-color:#F3C3C3}