:root{color:#183353;background:#f1f5fa;font-family:'Yu Gothic UI','Yu Gothic',Meiryo,sans-serif}body>header{background:linear-gradient(110deg,#081f50,#0d4385);color:#fff;border:0;min-height:68px;padding:14px 26px;gap:22px;box-shadow:0 2px 10px #122d4c18}body>header .system-brand,body>header a,body>header #identity{color:#fff}body>header .system-brand:before{content:'▦';font-size:27px;margin-right:12px}body>header #logout{background:#ffffff12;color:#fff;border-color:#ffffff55;padding:7px 14px}body>header nav a{text-decoration:none;font-weight:600}body>header .daily-demo-link{color:#c6defb}h1,h2,h3{color:#102f60}button,a,input,select,textarea{outline-offset:3px}button:hover:not(:disabled){border-color:#2868bf;background:#eff5ff}button.primary{background:#155dcc;border-color:#155dcc}button.primary:hover:not(:disabled){background:#104ba8;color:white}a{color:#1959a6}p{color:#62758e}button,input,select,textarea{border-color:#c8d5e5;color:#213e61}button{border-radius:7px;font-weight:600}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #72adff}.card{border-color:#cbd9e9;box-shadow:0 3px 10px #23456705;border-radius:10px}.bk-ui main{max-width:none;margin:0 0 0 228px;padding:0 26px 30px;min-width:0}.bk-ui .work-tabs,.bk-side{position:absolute;left:0;top:68px;width:228px;min-height:calc(100vh - 68px);background:white;border:0;border-right:1px solid #d0ddec;border-radius:0;padding:20px 12px;margin:0;display:block}.bk-ui:has(#demo-banner) .work-tabs,.bk-ui:has(#demo-banner) .bk-side{top:174px}.bk-ui .work-tabs details{margin:0 0 12px}.bk-ui .work-tabs summary{font-size:11px;letter-spacing:.08em;color:#75869c;padding:10px;list-style:none}.bk-ui .work-tabs summary::-webkit-details-marker{display:none}.bk-ui .work-tabs details>div{display:flex;flex-direction:column;padding:0;gap:3px}.bk-ui .work-tabs button,.bk-ui .work-tabs a,.bk-side a{display:flex;align-items:center;gap:10px;text-align:left;border:0;background:transparent;color:#36516f;font-size:12px;line-height:1.5;padding:10px 12px;border-radius:7px;text-decoration:none;width:100%}.bk-ui .work-tabs button.active,.bk-side a.active{background:#1559c5;color:white;box-shadow:0 3px 8px #1559c520}.bk-ui .work-tabs button:hover:not(.active),.bk-ui .work-tabs a:hover,.bk-side a:hover{background:#edf4ff}.bk-nav-icon{display:inline-grid;place-items:center;width:20px;font-size:17px}.bk-side>span{display:block;padding:10px;font-size:11px;color:#7387a1;margin-bottom:12px}.bk-section-tabs{display:flex;gap:0;margin:0 -26px 25px;padding:0 26px;background:white;border-bottom:1px solid #cbd9eb;overflow:auto}.bk-section-tabs a,.bk-section-tabs button{border:0;border-right:1px solid #e3eaf3;border-bottom:3px solid transparent;border-radius:0;background:transparent;padding:17px 23px;font-size:13px;text-decoration:none;white-space:nowrap;color:#395674}.bk-section-tabs .selected{color:#1456b6;border-bottom-color:#155dcc;background:#f5f9ff}.bk-page-title{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:20px}.bk-eyebrow{font-size:11px;letter-spacing:.06em;color:#647d9a}.bk-page-title h1{font-size:25px;margin:5px 0}.bk-page-title p{font-size:12px;margin:0}.bk-calendar-button{background:white;border:1px solid #bdcfe5;border-radius:7px;padding:12px 17px;text-decoration:none;font-size:12px;white-space:nowrap}.bk-kpis{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:15px;margin-bottom:20px}.bk-kpis>button{text-align:left;min-width:0;background:white;border:1px solid #cad9ec;border-top:4px solid #2669cd;padding:19px 18px;box-shadow:0 3px 12px #1f427109}.bk-kpis>button:nth-child(2){border-top-color:#df9a33}.bk-kpis>button:nth-child(3){border-top-color:#339478}.bk-kpis>button:nth-child(4){border-top-color:#8b76ba}.bk-kpis span{display:block;font-size:12px;color:#456280}.bk-kpis strong{display:block;font-size:clamp(18px,2vw,28px);letter-spacing:.01em;color:#102e59;margin:13px 0 10px;overflow-wrap:anywhere}.bk-kpis strong em{font-size:14px;font-style:normal;margin-left:5px;font-weight:500}.bk-kpis small{font-size:10px;font-weight:500;color:#70849c}.bk-overview{display:grid;grid-template-columns:1fr 1fr 1.25fr;gap:18px;margin-bottom:20px}.bk-panel{padding:0 18px 18px;margin:0;overflow:hidden;min-width:0;border-top:3px solid #2366c2}.bk-panel.bk-green{border-top-color:#328e70}.bk-panel.bk-orange{border-top-color:#d99332}.bk-panel-head{display:flex;justify-content:space-between;align-items:center;gap:7px;padding:15px 0 12px;border-bottom:1px solid #e2eaf3;margin-bottom:10px}.bk-panel-head h2{font-size:15px;margin:0}.bk-panel-head button,.bk-panel-head>a{border:0;background:transparent;padding:3px;font-size:10px;white-space:nowrap;text-decoration:none;color:#4372a4}.bk-sub{font-size:10px;line-height:1.7;margin:6px 0 16px}.bk-donut-layout{display:flex;align-items:center;flex-wrap:wrap;justify-content:center;gap:18px;padding:15px 0}.bk-donut{width:130px;height:130px;border-radius:50%;display:grid;place-items:center;flex:none}.bk-donut>div{width:98px;height:98px;border-radius:50%;background:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center}.bk-donut strong{font-size:23px;color:#143562}.bk-donut small{font-size:11px;color:#72839a}.bk-legend{flex:1;min-width:105px;max-width:180px}.bk-legend>div{display:flex;align-items:center;gap:7px;font-size:11px;margin:12px 0}.bk-legend i{width:8px;height:8px;border-radius:50%}.bk-legend strong{margin-left:auto}.bk-bar{display:grid;grid-template-columns:1fr 1.3fr 58px;align-items:center;gap:8px;margin:14px 0;font-size:10px}.bk-bar>span{line-height:1.5}.bk-bar strong{text-align:right;font-size:11px}.bk-bar-track{background:#edf2f8;height:8px;border-radius:9px;overflow:hidden}.bk-bar-track i{display:block;height:100%;background:#2673d8;border-radius:9px}.bk-green .bk-bar-track i{background:#329477}.bk-work-grid{display:grid;grid-template-columns:1.1fr 1.1fr 1fr;gap:18px}.bk-agenda a{display:flex;align-items:flex-start;gap:12px;text-decoration:none;border-bottom:1px solid #e3eaf3;padding:14px 0}.bk-agenda time{font-size:11px;color:#2166bb;min-width:75px}.bk-agenda strong{font-size:12px;display:block}.bk-agenda small{font-size:10px;color:#8190a2;display:block;margin-top:6px}.bk-panel .daily-tasks{display:block}.bk-panel .daily-tasks button{width:100%;border:0;border-bottom:1px solid #e4ebf4;padding:13px 0;border-radius:0;background:white}.bk-panel .work-list>button{padding:13px 0}.bk-panel .work-list strong{font-size:12px}.bk-panel .work-list small{font-size:10px}.bk-panel .daily-empty{font-size:12px;padding:15px 0}.bk-ui .work-table th{background:#104e9f;color:white;font-size:12px;font-weight:600}.bk-ui .work-table td{border-bottom:1px solid #dfE7f1}.bk-ui .work-table tbody tr:nth-child(even){background:#f5f8fc}.bk-ui progress{accent-color:#1f6fd1}.bk-ui .ready-alert{padding:8px 12px;background:#fff7e9;border:1px solid #efdbba;border-radius:6px}.bk-ui .ready-alert button{font-size:11px;padding:4px 8px}.bk-calendar .toolbar{background:#fff;padding:16px;border:1px solid #c8d8eb;border-radius:9px;gap:10px}.bk-calendar .grid-head{background:#1558b9;color:white}.bk-calendar .grid-head .person{background:#1558b9;color:white}.bk-calendar .person{background:#f1f6fc;color:#173964;font-weight:600}.bk-calendar .event{background:color-mix(in srgb,var(--color) 9%,white);box-shadow:0 1px 3px #233e6712}.bk-calendar .calendar-wrap{border-color:#b7cbe4;box-shadow:0 4px 16px #21477609}.bk-calendar .sync{font-size:11px}.bk-calendar h1{font-size:25px}.demo-banner{margin:0!important;border-radius:0!important;background:#edf4ff!important;border:0!important;border-bottom:1px solid #cddcee!important;padding:12px 25px!important;min-height:106px}.login-page{background:linear-gradient(135deg,#071e48,#105aaf)}.login-card{border-top:5px solid #2d7bda;box-shadow:0 20px 80px #041b3e55}.login-card .school-brand{color:#1756a4}
@media(min-width:1800px){.bk-ui main{max-width:1770px}.bk-overview{grid-template-columns:1fr 1fr 1.25fr}}
@media(max-width:1200px){.bk-ui main{margin-left:195px;padding-left:18px;padding-right:18px}.bk-ui .work-tabs,.bk-side{width:195px}.bk-section-tabs{margin-left:-18px;margin-right:-18px;padding:0 18px}.bk-overview{grid-template-columns:1fr 1fr}.bk-overview>.bk-panel:last-child{grid-column:1/-1}.bk-overview>.bk-panel:last-child .bk-bar{grid-template-columns:220px 1fr 75px}.bk-work-grid{grid-template-columns:1fr 1fr}.bk-work-grid>.bk-panel:last-child{grid-column:1/-1}.bk-kpis{gap:10px}.bk-kpis>button{padding:15px 12px}}
@media(max-width:800px){.bk-ui main{margin-left:0;padding:0 14px 25px}.bk-ui .work-tabs,.bk-side{position:static;width:auto;min-height:0;margin:0 -14px;padding:10px 14px;border-bottom:1px solid #d2deed;display:flex;flex-wrap:wrap;gap:6px}.bk-ui .work-tabs details{flex:1;min-width:120px;margin:0}.bk-ui .work-tabs details>div{max-height:165px;overflow:auto}.bk-ui .work-tabs button,.bk-ui .work-tabs a,.bk-side a{font-size:11px;padding:8px}.bk-side>span{display:none}.bk-side a{width:auto}.bk-section-tabs{margin:0 -14px 20px;padding:0 8px}.bk-section-tabs a,.bk-section-tabs button{padding:14px 12px;font-size:12px}.bk-kpis{grid-template-columns:1fr 1fr}.bk-kpis strong{font-size:23px}.bk-page-title{align-items:flex-start}.bk-page-title h1{font-size:22px}.bk-calendar-button{padding:10px;font-size:10px}.bk-overview,.bk-work-grid{grid-template-columns:1fr}.bk-overview>.bk-panel:last-child .bk-bar{grid-template-columns:1.2fr 1fr 65px}.bk-page-title p{font-size:10px}.bk-ui main>h1{font-size:22px}body>header{padding:12px 16px;gap:12px}body>header .system-brand{font-size:16px}.demo-banner{min-height:0}.bk-donut-layout{justify-content:flex-start}.bk-legend{max-width:none}.bk-panel{padding-left:16px;padding-right:16px}}
@media print{.bk-ui main{margin:0;padding:0}.bk-side,.bk-section-tabs,.bk-ui .work-tabs{display:none!important}.bk-panel,.bk-kpis>button{box-shadow:none}.bk-overview,.bk-work-grid{display:block}.bk-panel{break-inside:avoid;margin-bottom:15px}}
.bk-calendar button.active{background:#155dcc;color:white;border-color:#155dcc}.bk-kpis:has(>button:nth-child(3):last-child){grid-template-columns:repeat(3,minmax(0,1fr))}.bk-overview:has(>.bk-panel:nth-child(2):last-child){grid-template-columns:1fr 1fr}@media(max-width:800px){.bk-kpis:has(>button:nth-child(3):last-child){grid-template-columns:1fr 1fr}.bk-overview:has(>.bk-panel:nth-child(2):last-child){grid-template-columns:1fr}.bk-ui .work-tabs details{min-width:90px}.bk-ui .work-tabs details>div{overflow-x:hidden}.bk-ui .work-tabs summary:after{content:" ＋"}.bk-ui .work-tabs details[open] summary:after{content:" −"}}

/* Dark vertical menu shared by all workspace and calendar screens. */
.bk-ui .work-tabs,.bk-ui .bk-side{background:#0d3269;border-right-color:#183f78}.bk-ui .work-tabs summary,.bk-ui .work-tabs button,.bk-ui .work-tabs a,.bk-ui .bk-side>span{color:#fff}.bk-ui .work-tabs button.active,.bk-ui .work-tabs a.active{background:#2466bc;color:#fff;box-shadow:none}.bk-ui .work-tabs button:hover:not(.active),.bk-ui .work-tabs a:hover{background:#1a4a86;color:#fff}.bk-ui .work-tabs a.active:hover{background:#2466bc}.bk-ui .work-tabs summary:hover{background:#1a4a86;border-radius:5px}.bk-ui .work-tabs button:focus-visible,.bk-ui .work-tabs a:focus-visible,.bk-ui .work-tabs summary:focus-visible{outline-color:#b7dcff}

.groupware-tabs{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0 20px}.groupware-tabs a,.groupware-tabs button{padding:10px 18px;border:1px solid #c4d3e7;border-radius:6px;background:white;color:#153b6a;text-decoration:none}.groupware-tabs .selected{background:#1859b8;color:white}.groupware-links,.groupware-board{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}.groupware-links a,.groupware-links button,.groupware-board button{display:block;text-align:left;padding:22px;border:1px solid #c4d3e7;border-radius:8px;background:white;color:#153b6a;text-decoration:none}.groupware-links span{display:block;font-size:13px;margin-top:10px}.groupware-board p{white-space:pre-wrap}.bk-section-tabs button:disabled{opacity:.5;cursor:not-allowed}

.bk-ui .bk-group-children{display:block;margin:0 0 10px 12px;padding-left:8px;border-left:2px solid #6c94cb}.bk-ui .bk-group-children a,.bk-ui .bk-group-children button{font-size:13px;padding:11px 12px;width:100%}.bk-ui .bk-group-open{font-weight:700;background:#153f7b}.bk-ui .bk-group-children .active{background:#2466bc;color:#fff;box-shadow:inset 3px 0 #fff}

.board-layout{display:grid;grid-template-columns:190px minmax(0,1fr);gap:20px}.board-layout:has(aside){grid-template-columns:170px minmax(0,1fr) minmax(240px,.7fr)}.board-layout nav{background:#edf2fa;padding:12px;border-radius:8px}.board-layout nav button{display:block;width:100%;text-align:left;margin:5px 0}.board-layout .active{background:#1859b8;color:white}.board-message{padding:16px 0;border-bottom:1px solid #dce5f1}.board-message small{display:block;color:#687c97}.board-message p{white-space:pre-wrap;overflow-wrap:anywhere}.board-layout textarea{width:100%;min-height:95px}.board-layout form{margin-top:18px}.board-layout aside{border-left:1px solid #ccd8e6;padding-left:18px}.board-timeline{max-height:580px;overflow:auto}@media(max-width:1050px){.board-layout,.board-layout:has(aside){grid-template-columns:1fr}.board-layout nav button{display:inline-block;width:auto}.board-layout aside{border-left:0;border-top:1px solid #ccd8e6;padding:15px 0}}