:root{--blue:#087bc5;--blue-dark:#075d9b;--navy:#163b59;--pale:#eaf5fc;--bg:#f2f8fc;--muted:#577184;--line:#d7e7f1;--green:#25745b;--red:#a53447;--radius:16px;font-family:-apple-system,BlinkMacSystemFont,'Hiragino Kaku Gothic ProN','Noto Sans JP',Meiryo,sans-serif;color:var(--navy);font-size:15px;line-height:1.65}*{box-sizing:border-box}body{margin:0;background:var(--bg)}button,input,select,textarea{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer;border:1px solid var(--line);background:white;color:var(--blue-dark);padding:10px 16px;border-radius:9px;min-height:44px;font-weight:600;transition:background .15s}button:hover{background:var(--pale)}button:disabled{opacity:.45;cursor:default}button.primary{background:var(--blue);color:#fff;border-color:var(--blue)}button.primary:hover{background:var(--blue-dark)}button.danger{color:var(--red)}button.link{border:0;padding:6px 0;background:transparent;text-align:left}button:focus-visible,a:focus-visible{outline:3px solid #eaa52f;outline-offset:3px}input,select,textarea{border:1px solid #b8cedd;border-radius:8px;min-height:44px;padding:9px 12px;background:#fff;color:var(--navy);max-width:100%;width:100%}input[type=checkbox]{width:20px;min-height:20px;flex:none}textarea{min-height:110px;resize:vertical}input:focus,select:focus,textarea:focus{outline:2px solid #8dc8ee;outline-offset:1px}label{display:grid;gap:5px;font-size:14px;font-weight:600}small,.muted{color:var(--muted);font-size:13px}h1{font-size:29px;line-height:1.35;margin:0 0 8px;letter-spacing:.02em}h2{font-size:19px;margin:0 0 16px}h3{font-size:16px;margin:0 0 9px}p{margin:8px 0 16px}a{color:var(--blue-dark)}.loading{padding:40px}.shell{display:grid;grid-template-columns:232px minmax(0,1fr);min-height:100vh}.sidebar{position:sticky;top:0;height:100vh;background:linear-gradient(160deg,#0a89d8,#0773bd 60%,#086bb0);color:white;padding:28px 18px;display:flex;flex-direction:column;gap:28px}.brand{display:flex;gap:11px;align-items:center;padding:0 5px}.brand img{width:44px;height:44px;border-radius:12px}.brand strong{font-size:18px;display:block;letter-spacing:.06em}.brand small{color:#e0f3ff;font-size:11px;letter-spacing:.13em}.sidebar nav{display:grid;gap:7px}.sidebar nav button{display:flex;align-items:center;gap:12px;border:0;background:none;color:#eaf6ff;text-align:left;padding:12px 14px;font-weight:500}.sidebar nav button:hover{background:#ffffff1a}.sidebar nav button.active{background:white;color:var(--blue-dark);font-weight:700}.icon{width:20px;height:20px;vertical-align:middle;flex:none}.sidebar-bottom{margin-top:auto;border-top:1px solid #ffffff42;padding-top:18px}.sidebar-bottom p{margin:4px 5px;color:#d9f0ff;font-size:12px}.sidebar-bottom button{color:white;background:transparent;border-color:#ffffff60;width:100%;margin-top:12px}.main{min-width:0}.topbar{min-height:78px;background:white;display:flex;gap:16px;align-items:center;justify-content:space-between;padding:15px 32px;border-bottom:1px solid var(--line)}.topbar select{width:auto;min-width:135px}.topbar .identity{display:flex;gap:14px;align-items:center}.sync{font-size:12px;color:var(--green);display:flex;align-items:center;gap:7px}.sync:before{content:'';width:7px;height:7px;border-radius:50%;background:currentColor}.demo-banner{background:#e1f2ff;color:#165d8b;font-size:12px;padding:8px 32px;border-bottom:1px solid #cbe6f8}.content{padding:32px;max-width:1450px;margin:auto}.page-heading{display:flex;justify-content:space-between;gap:20px;align-items:flex-start;margin-bottom:24px}.page-heading p{color:var(--muted);margin:0;font-size:14px}.actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.panel{background:white;padding:24px;border:1px solid var(--line);border-radius:var(--radius);margin-bottom:20px}.panel>p:last-child{margin-bottom:0}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:26px}.stat{text-align:left;display:flex;align-items:center;gap:16px;padding:23px;border-radius:16px;color:var(--navy)}.stat .stat-icon{width:48px;height:48px;background:var(--pale);display:grid;place-items:center;border-radius:13px;color:var(--blue)}.stat .icon{width:25px;height:25px}.stat span.label{font-size:13px;color:var(--muted);display:block}.stat b{font-size:30px;line-height:1.4}.stat b small{font-size:14px;font-weight:500;color:var(--navy)}.columns{display:grid;grid-template-columns:1.15fr 1fr;gap:22px}.row{display:flex;gap:16px;align-items:center;padding:16px 0;border-bottom:1px solid #e5eef4}.row:last-child{border-bottom:0}.row .grow{flex:1;min-width:0}.row p{margin:2px 0;font-size:13px;color:var(--muted)}.row strong{font-size:15px}.date-tile{background:var(--pale);color:var(--blue-dark);padding:8px 12px;border-radius:10px;text-align:center;line-height:1.3}.date-tile b{font-size:24px;display:block}.date-tile small{color:inherit}.tag{display:inline-block;background:#e9f4fc;color:var(--blue-dark);padding:4px 10px;border-radius:6px;font-size:12px;white-space:nowrap}.tag.green{background:#e8f5ee;color:var(--green)}.tag.red{background:#fbeef0;color:var(--red)}.empty{padding:30px 10px;text-align:center;color:var(--muted)}.filters{display:flex;align-items:end;gap:15px;margin-bottom:22px;flex-wrap:wrap}.filters label{min-width:150px}.filters input,.filters select{max-width:270px}.list-table{width:100%;border-collapse:collapse;text-align:left}.list-table th{background:#f1f8fd;color:var(--muted);font-size:12px;font-weight:600}.list-table th,.list-table td{padding:14px 12px;border-bottom:1px solid #e3edf5}.list-table td{font-size:14px}.table-wrap{overflow:auto}.calendar{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:12px;overflow:hidden}.weekday{background:#e8f4fc;padding:9px;text-align:center;font-size:13px}.day{min-height:130px;padding:8px;background:white}.day.today{background:#f0f9ff}.day>b{font-size:13px}.day.emptyday{background:#f7fbfd}.event{display:block;width:100%;min-height:0;text-align:left;background:#e5f3ff;color:#095e99;border:0;border-radius:6px;font-size:11px;padding:6px;margin-top:5px;line-height:1.5;font-weight:500;overflow-wrap:anywhere}.event.absent{color:var(--red);background:#faedf0}.event b{display:block}.calendar-mobile{display:none}.chart{width:100%;height:220px}.chart text{font:12px -apple-system,sans-serif;fill:var(--muted)}.chart .value{fill:var(--blue-dark);font-weight:600}.chart-grid{stroke:#dceaf3;stroke-width:1}.plan-text{white-space:pre-wrap}.plan-grid{display:grid;grid-template-columns:140px 1fr;gap:12px;margin:12px 0}.plan-grid dt{color:var(--muted);font-size:13px}.plan-grid dd{margin:0;white-space:pre-wrap}.login{min-height:100vh;display:grid;place-items:center;padding:30px;background:linear-gradient(135deg,#0c8bd8,#096aaf)}.login-box{width:min(440px,100%);background:white;border-radius:22px;padding:36px;box-shadow:0 20px 70px #003e6630}.login-box>img{width:68px;height:68px;border-radius:16px;margin-bottom:18px}.login h1{font-size:27px}.login form{display:grid;gap:18px;margin-top:25px}.login .note{background:var(--pale);padding:12px;border-radius:8px;font-size:12px}.login button{width:100%}dialog{border:0;border-radius:18px;padding:0;width:min(760px,calc(100% - 32px));max-height:92vh;color:var(--navy);box-shadow:0 20px 100px #05263e40}dialog::backdrop{background:#092f5080}dialog.wide{width:min(1050px,calc(100% - 32px))}.dialog-header{display:flex;align-items:center;justify-content:space-between;padding:18px 24px;border-bottom:1px solid var(--line);position:sticky;top:0;background:white;z-index:2}.dialog-header h2{margin:0}.dialog-body{padding:24px}.dialog-footer{display:flex;gap:10px;justify-content:flex-end;padding:16px 24px;border-top:1px solid var(--line);background:#f6fbfe;position:sticky;bottom:0;z-index:2}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.form-grid .full{grid-column:1/-1}.check{display:flex;align-items:flex-start;gap:10px}.rules{display:grid;gap:14px}.rule{background:var(--pale);padding:14px;border-radius:10px;display:grid;grid-template-columns:1fr 1.5fr 1fr 1fr;gap:10px}.rule button{grid-column:1/-1;justify-self:end}.error{color:var(--red);background:#fff0f2;padding:12px;border-radius:8px;white-space:pre-wrap}.error:empty{display:none}.report-frame{border:1px solid var(--line);width:100%;height:55vh;background:white;border-radius:10px}.stamp-list{display:flex;flex-wrap:wrap;gap:12px;padding:16px 0}.stamp{border:2px solid var(--green);border-radius:50%;width:82px;height:82px;display:grid;place-content:center;text-align:center;font-size:11px;color:var(--green)}.stamp.pending{border-style:dashed;color:var(--muted);border-color:#a4b4bf}.stamp strong{font-size:12px}.subsection{margin-top:24px;padding-top:18px;border-top:1px solid var(--line)}#toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:#173b59;color:white;border-radius:10px;padding:12px 24px;z-index:10;max-width:90%;box-shadow:0 4px 20px #143f5933}#toast:empty{display:none}.help li{margin-bottom:12px}.menu-toggle{display:none}.help ol{padding-left:24px}@media(max-width:1100px){.shell{grid-template-columns:200px minmax(0,1fr)}.content{padding:24px}.sidebar{padding:24px 12px}.topbar{padding:14px 24px}.columns{grid-template-columns:1fr}.stats{gap:12px}.stat{padding:18px 14px;gap:10px}.stat b{font-size:26px}.calendar .day{min-height:120px;padding:5px}.page-heading{flex-wrap:wrap}}@media(max-width:760px){.shell{display:block}.sidebar{height:auto;position:static;padding:18px 20px;gap:16px}.brand{padding:0}.sidebar nav{display:flex;overflow:auto;gap:6px;padding-bottom:3px}.sidebar nav button{flex:none;padding:9px 12px;font-size:13px}.sidebar nav .icon{width:17px;height:17px}.sidebar-bottom{display:none}.topbar{padding:12px 20px;gap:10px;align-items:flex-start}.topbar .identity{flex-wrap:wrap;gap:8px}.topbar .sync{max-width:160px;line-height:1.4}.content{padding:22px 16px}.demo-banner{padding:8px 20px}.page-heading{margin-bottom:20px}.page-heading h1{font-size:25px}.stats{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.stat{display:block;padding:14px 10px}.stat .stat-icon{display:none}.stat b{font-size:25px}.stat span.label{font-size:11px}.panel{padding:18px}.calendar{display:none}.calendar-mobile{display:block}.form-grid{grid-template-columns:1fr}.form-grid .full{grid-column:auto}.rule{grid-template-columns:1fr 1fr}.plan-grid{grid-template-columns:1fr;gap:5px}.row{gap:10px;flex-wrap:wrap}.row .grow{min-width:130px}.dialog-body{padding:18px}.dialog-header,.dialog-footer{padding:14px 18px}.dialog-footer{flex-wrap:wrap}.login-box{padding:27px}.actions button{font-size:13px}.filters label{min-width:120px;flex:1}.topbar button{font-size:12px;padding:8px 10px}}@media(prefers-reduced-motion:reduce){*{transition:none!important}}@media print{.sidebar,.topbar,.demo-banner,.actions,button{display:none!important}.shell{display:block}.panel{break-inside:avoid}.content{padding:0}body{background:white}}

.calendar-panel{background:white;border:1px solid var(--line);border-radius:18px;padding:20px;margin-bottom:20px}.month-calendar{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:8px}.month-calendar .weekday{background:transparent;padding:9px;text-align:center;font-size:13px;color:var(--muted)}.month-calendar .sunday{color:#b04854}.month-calendar .saturday{color:var(--blue)}.date-button{border:0;background:#f7fafc;color:var(--navy);border-radius:12px;min-height:100px;font-size:21px;font-weight:500;position:relative;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:7px;padding:12px}.date-button.has-lessons{background:#d6edff;color:#086aaa}.date-button:hover{background:#bfe2fa}.date-button.is-today>span:first-child{background:var(--blue);color:white;border-radius:50%;width:38px;height:38px;display:grid;place-items:center}.lesson-dot{width:5px;height:5px;background:var(--blue);border-radius:50%;position:absolute;bottom:15px}.calendar-legend{display:flex;gap:24px;align-items:center;justify-content:flex-end;margin-top:20px;color:var(--muted);font-size:12px}.calendar-legend>span{display:flex;align-items:center;gap:7px}.legend-dot,.today-dot{width:13px;height:13px;display:inline-block;background:#d6edff;border-radius:3px}.today-dot{background:var(--blue);border-radius:50%}.day-detail-row{display:flex;align-items:center;gap:20px;padding:20px 0;border-bottom:1px solid var(--line)}.day-detail-row:last-child{border-bottom:0}.day-detail-row .grow{flex:1;min-width:0}.day-detail-row p{font-size:13px;margin:5px 0 10px}.lesson-time{display:grid;gap:3px;align-self:flex-start;color:var(--blue-dark);min-width:65px}.lesson-time strong{font-size:20px}.lesson-time span{font-size:13px;color:var(--muted)}@media(max-width:760px){.calendar-panel{padding:12px}.month-calendar{gap:4px}.date-button{min-height:64px;font-size:18px;border-radius:8px;padding:8px 3px}.lesson-dot{bottom:7px;width:4px;height:4px}.date-button.is-today>span:first-child{width:32px;height:32px}.calendar-legend{gap:18px;margin-top:16px}.day-detail-row{gap:12px;flex-wrap:wrap}.day-detail-row>button{margin-left:77px}.lesson-time{min-width:65px}}

.brand strong{font-size:16px;letter-spacing:.02em;white-space:nowrap}@media(max-width:1100px){.brand img{width:36px;height:36px}.brand{gap:9px}.brand strong{font-size:15px}}

/* Learning support planning design system */
:root{--blue:#176b63;--blue-dark:#11534d;--navy:#223432;--pale:#edf4ef;--bg:#f8f9f5;--muted:#61716b;--line:#dce5df;--green:#34775a;--radius:12px}
.sidebar{background:#176b63;padding:32px 18px;gap:34px}.brand{padding:4px 12px}.brand strong{font-size:23px;letter-spacing:.04em}.brand small{font-size:13px;color:#d9eae3;margin-top:8px}.sidebar nav button{color:#f0f7f3;min-height:52px}.sidebar nav button.active{background:#ffffff24;color:#fff}.sidebar-bottom p{color:#d5e5db;font-size:13px}.sidebar .icon{width:23px;height:23px}.topbar{background:#fdfefb;min-height:72px}.content{padding:38px 30px}.page-heading{margin-bottom:30px}.page-heading h1{font-size:32px;letter-spacing:.015em}.page-heading p{font-size:16px;margin-top:10px}.panel{border-color:#e0e8e2;padding:22px;background:#fff;border-radius:12px}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:12px}.section-heading h2{margin:0;font-size:20px}.columns{gap:20px;grid-template-columns:1.08fr 1fr}.row{border-color:#e6ece7;gap:12px;padding:17px 0}.tag{background:#f9ecc2;color:#675426}.tag.green{background:#e5f1e7;color:#2c664a}.list-table th{background:#eef3ee;color:#34483e}.list-table td{vertical-align:top}.list-table .actions{min-width:230px}.list-table td:nth-child(3),.list-table td:nth-child(4){max-width:280px;overflow-wrap:anywhere}.html-drop{text-align:center;padding:24px;border:2px dashed #91b2a4;border-radius:12px;background:#f2f7f1}.html-drop.drag-over{background:#dcece3;border-color:#176b63}.html-drop input{background:white}.demo-banner{background:#edf4ef;color:#365d4d;border-color:#dce5df}input:focus,select:focus,textarea:focus{outline-color:#83b6a2}.login{background:#f8f9f5}.login-box{border-top:5px solid #176b63}.date-button.has-lessons{background:#e4f0e6}.legend-dot{background:#e4f0e6}.stats{display:none}
@media(min-width:1400px){.shell{grid-template-columns:260px minmax(0,1fr)}.content{padding:42px}.page-heading h1{font-size:36px}}
@media(max-width:1100px){.columns{grid-template-columns:1fr}.brand strong{font-size:20px}.content{padding:24px}.page-heading h1{font-size:28px}}
@media(max-width:760px){.sidebar{padding:12px;gap:12px}.brand{padding:0 4px}.brand strong{font-size:19px}.brand small{margin-top:0}.sidebar nav button{min-height:44px;padding:9px 12px}.content{padding:20px 14px}.page-heading h1{font-size:25px}.page-heading p{font-size:14px}.panel{padding:16px}.section-heading h2{font-size:18px}.row{flex-wrap:wrap}.topbar{padding:12px 14px}.topbar .identity{gap:8px;flex-wrap:wrap}.sync{max-width:150px}.list-table .actions{min-width:200px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
@media(min-width:761px) and (max-width:1000px){.shell{display:block}.sidebar{position:static;height:auto;padding:18px 24px;gap:14px}.brand{padding:0}.sidebar nav{display:flex;overflow:auto;gap:6px}.sidebar nav button{flex:none;white-space:nowrap;font-size:14px;padding:9px 12px;min-height:46px}.sidebar-bottom{display:none}}
.list-table{min-width:640px}.sidebar nav{scrollbar-width:thin;scrollbar-color:#85b3a8 transparent}