:root{--bg:#f4f6fb;--panel:#fff;--ink:#172033;--muted:#6f7788;--line:#e4e8f0;--brand:#5b6cf9;--brand2:#7b5cf2;--soft:#eef0ff;--good:#1d9b70;--shadow:0 14px 36px rgba(28,38,67,.08);font-family:Inter,"Noto Sans JP",system-ui,sans-serif;color-scheme:light}
[data-theme=dark]{--bg:#10131c;--panel:#181d29;--ink:#eef1f8;--muted:#a6afc0;--line:#2a3141;--soft:#252945;--shadow:0 14px 36px rgba(0,0,0,.24);color-scheme:dark}
[data-theme=system]{color-scheme:light}@media(prefers-color-scheme:dark){[data-theme=system]{--bg:#10131c;--panel:#181d29;--ink:#eef1f8;--muted:#a6afc0;--line:#2a3141;--soft:#252945;--shadow:0 14px 36px rgba(0,0,0,.24);color-scheme:dark}}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-size:14px}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}button,a{transition:.18s ease}h1,h2,h3,p{margin-top:0}h1{font-size:28px;letter-spacing:-.04em;margin-bottom:8px}h2{font-size:19px}p{line-height:1.75}.muted,.page-header p,.panel-head p{color:var(--muted)}
.app-shell{min-height:100vh}.sidebar{position:fixed;inset:0 auto 0 0;width:244px;background:var(--panel);border-right:1px solid var(--line);padding:24px 18px;display:flex;flex-direction:column;z-index:20}.brand{display:flex;align-items:center;gap:11px}.brand-mark{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;font-weight:900;box-shadow:0 7px 16px rgba(91,108,249,.28)}.brand span:last-child{display:flex;flex-direction:column}.brand strong{font-size:15px}.brand small{font-size:10px;color:var(--muted);margin-top:2px}.sidebar nav{display:grid;gap:6px;margin-top:36px}.sidebar nav a{padding:12px 14px;border-radius:10px;color:var(--muted);font-weight:650}.sidebar nav a:hover,.sidebar nav a.active{background:var(--soft);color:var(--brand)}.sidebar-footer{margin-top:auto;display:grid;gap:10px}.theme-button,.text-button{border:0;background:transparent;color:var(--muted);text-align:left;padding:8px;cursor:pointer}.account-chip{display:flex;gap:9px;align-items:center;border-top:1px solid var(--line);padding-top:15px}.account-chip>span{display:grid;place-items:center;width:32px;height:32px;border-radius:50%;background:var(--soft);color:var(--brand);font-weight:800}.account-chip div{display:flex;flex-direction:column;min-width:0}.account-chip strong,.account-chip small{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.account-chip small{color:var(--muted);font-size:10px}.main-content{margin-left:244px;padding:38px clamp(24px,4vw,64px);min-height:100vh;max-width:1600px}.mobile-header{display:none}.toast{position:fixed;top:20px;right:24px;background:#172033;color:#fff;padding:12px 18px;border-radius:12px;box-shadow:var(--shadow);z-index:60}
.page-header{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:28px}.eyebrow{color:var(--brand)!important;font-weight:850;letter-spacing:.14em;font-size:10px;margin-bottom:8px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:0 16px;border:1px solid transparent;border-radius:10px;font-weight:750;cursor:pointer}.button.primary{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;box-shadow:0 8px 18px rgba(91,108,249,.2)}.button.primary:hover{transform:translateY(-1px)}.button.secondary{background:var(--panel);border-color:var(--line);color:var(--ink)}.button.ghost{background:transparent;border-color:var(--line);color:var(--muted)}.button.wide{width:100%}.actions{display:flex;gap:10px;align-items:center}.panel{background:var(--panel);border:1px solid var(--line);border-radius:17px;padding:24px;box-shadow:var(--shadow)}.panel-head{display:flex;justify-content:space-between;align-items:start;margin-bottom:18px}.panel-head h2,.panel-head p{margin-bottom:4px}.panel-head a{color:var(--brand);font-weight:750}.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:20px}.stat-card{background:var(--panel);border:1px solid var(--line);border-radius:15px;padding:20px;display:flex;align-items:center;gap:14px}.stat-icon{display:grid;place-items:center;width:42px;height:42px;border-radius:13px;background:var(--soft);color:var(--brand);font-weight:900}.stat-card div{display:flex;flex-direction:column}.stat-card small{color:var(--muted)}.stat-card strong{font-size:25px}.stat-card em{font-size:11px;font-style:normal;margin-left:4px;color:var(--muted);font-weight:500}.student-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.student-card{display:flex;align-items:center;gap:11px;padding:13px;border:1px solid var(--line);border-radius:12px}.student-card:hover{border-color:var(--brand);transform:translateY(-1px)}.student-card div{display:flex;flex-direction:column;flex:1}.student-card small{color:var(--muted)}.avatar{display:grid;place-items:center;width:42px;height:42px;border-radius:50%;background:linear-gradient(135deg,#e9ecff,#dcd4ff);color:#5b55c8;font-weight:850}.avatar.small{width:32px;height:32px}.avatar.large{width:58px;height:58px;font-size:20px}.status{display:inline-flex;width:max-content;padding:4px 8px;border-radius:999px;background:#eef4f1;color:#4f6d61;font-size:10px;font-weight:800}.status.active{background:#e5f7f0;color:var(--good)}.empty{color:var(--muted);text-align:center;padding:30px}.content-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:18px}.tag-cloud{display:flex;gap:8px;flex-wrap:wrap}.tag-cloud span{background:var(--soft);color:var(--brand);border-radius:999px;padding:8px 11px}textarea{resize:vertical}.panel textarea{width:100%;margin-bottom:10px}
.toolbar{display:flex;gap:9px;align-items:center;margin-bottom:16px}.toolbar select,.toolbar input{height:40px}.search{position:relative;flex:1}.search span{position:absolute;left:13px;top:9px;color:var(--muted)}.search input{width:100%;padding-left:35px}.toolbar input,.toolbar select,input,textarea,select{border:1px solid var(--line);background:var(--panel);color:var(--ink);border-radius:9px;padding:10px 12px;outline:none}.toolbar input:focus,input:focus,textarea:focus,select:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(91,108,249,.1)}.table-meta{display:flex;justify-content:space-between;color:var(--muted);font-size:11px;margin-bottom:8px}.table-wrap{overflow:auto}table{border-collapse:collapse;width:100%;min-width:830px}th,td{text-align:left;padding:13px 12px;border-bottom:1px solid var(--line)}th{font-size:11px;color:var(--muted);white-space:nowrap}td{vertical-align:middle}.person{display:flex;align-items:center;gap:9px}.subcell{display:block;color:var(--muted)}code{background:var(--soft);padding:4px 7px;border-radius:6px}.mini-progress{height:5px;width:84px;background:var(--line);border-radius:99px;overflow:hidden;margin-bottom:4px}.mini-progress span{display:block;height:100%;background:var(--brand)}.row-action{color:var(--brand);font-weight:750;white-space:nowrap}.pagination{display:flex;justify-content:space-between;align-items:center;margin-top:18px}.pagination>div{display:flex;gap:4px}.pagination a,.pagination span{padding:7px 10px;color:var(--muted)}.pagination a.current{background:var(--brand);color:#fff;border-radius:7px}.modal{border:0;border-radius:18px;background:var(--panel);color:var(--ink);padding:28px;width:min(500px,calc(100vw - 30px));max-height:calc(100dvh - 30px);overflow:auto;box-shadow:0 28px 80px rgba(0,0,0,.3)}.modal::backdrop{background:rgba(11,15,25,.55);backdrop-filter:blur(3px)}.modal-close{position:absolute;right:18px;top:16px;border:0;background:transparent;color:var(--muted);font-size:22px}.stack{display:grid;gap:14px}.stack label{display:grid;gap:6px;font-weight:700;font-size:12px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.check{display:flex!important;grid-template-columns:auto 1fr!important;align-items:center}.check input{width:auto}.error{color:#d14343}.center{text-align:center}
.student-header{align-items:center}.person-title{display:flex;align-items:center;gap:14px}.day-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:18px}.day-card{background:var(--panel);border:1px solid var(--line);border-radius:15px;padding:20px;display:flex;flex-direction:column;gap:6px}.day-card:hover{border-color:var(--brand)}.day-card>span{color:var(--brand);font-size:10px;font-weight:900;letter-spacing:.1em}.day-card small{color:var(--muted)}.day-card.complete{background:linear-gradient(150deg,var(--panel),var(--soft))}
.dialogue-page{max-width:1100px;margin:auto}.dialogue-header{display:flex;align-items:flex-end;justify-content:space-between}.progress-copy strong{color:var(--brand);font-size:22px}.progress-track{height:7px;background:var(--line);border-radius:99px;margin:12px 0 24px;overflow:hidden}.progress-track span{height:100%;display:block;background:linear-gradient(90deg,var(--brand),#a65cf2);border-radius:99px}.chat-stage{display:grid;grid-template-columns:minmax(0,720px) 220px;gap:28px;align-items:end}.chat-thread{display:grid;gap:16px}.message{display:flex;gap:10px;align-items:flex-start}.message>div{max-width:76%;background:var(--panel);border:1px solid var(--line);border-radius:5px 15px 15px 15px;padding:12px 15px}.message small{color:var(--muted);font-size:10px;font-weight:750}.message p{margin:4px 0 0}.message.user{justify-content:flex-end}.message.user>div{background:var(--brand);color:#fff;border:0;border-radius:15px 5px 15px 15px}.message.user small{color:#dfe3ff}.mini-character{display:grid;place-items:center;width:30px;height:30px;border-radius:10px;background:var(--brand);color:#fff;font-weight:900}.question-card{background:linear-gradient(145deg,var(--panel),var(--soft));border:1px solid #cfd5ff;border-radius:18px;padding:25px}.question-card>span{color:var(--brand);font-size:10px;font-weight:850;letter-spacing:.08em}.question-card h2{font-size:23px;line-height:1.55;margin:8px 0 12px}.question-card p{color:var(--muted);margin:0}.answer-form{background:var(--panel);border:1px solid var(--line);border-radius:17px;padding:18px}.answer-form>label{display:block;font-size:11px;font-weight:800;color:var(--muted);margin-bottom:7px}.answer-form textarea{width:100%;border:0;background:var(--bg);font-size:15px}.quick-replies{display:flex;gap:7px;flex-wrap:wrap;margin:10px 0}.quick-replies button{border:1px solid var(--line);background:var(--panel);color:var(--brand);padding:7px 10px;border-radius:99px;cursor:pointer}.answer-actions{display:flex;justify-content:space-between;align-items:center;margin-top:14px}.character-guide{position:sticky;bottom:20px}.character-orb{position:relative;margin:auto;display:grid;place-items:center;width:145px;height:175px;border-radius:48% 48% 42% 42%;background:radial-gradient(circle at 48% 32%,#fff 0 10%,#dadfff 11% 38%,#8f96ff 39% 65%,#6659d9 66%);filter:drop-shadow(0 20px 20px rgba(71,72,150,.2));animation:float 3.5s ease-in-out infinite}.face{font-size:30px;color:#31375d;background:#fff;border-radius:45%;padding:18px 15px}.spark{position:absolute;right:4px;top:8px;color:#f2bb3d;font-size:24px}.character-bubble{background:var(--panel);border:1px solid var(--line);border-radius:15px;padding:12px;margin-top:12px;box-shadow:var(--shadow)}.character-bubble strong{color:var(--brand)}.character-bubble p{font-size:12px;margin:4px 0}.completion-card{text-align:center;background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:45px}.completion-card>span{display:grid;place-items:center;width:55px;height:55px;margin:auto auto 15px;border-radius:50%;background:#e5f7f0;color:var(--good);font-size:24px}.completion-card div{display:flex;justify-content:center;gap:10px}
.report-paper{max-width:900px;margin:auto;background:#fff;color:#172033;box-shadow:0 20px 60px rgba(25,34,61,.13)}.report-cover{min-height:360px;padding:64px;display:flex;justify-content:space-between;align-items:center;background:linear-gradient(135deg,#202958,#5d67cd);color:#fff;overflow:hidden}.report-cover p{letter-spacing:.18em;font-size:10px}.report-cover h2{font-size:46px;margin:25px 0}.report-cover h2 small{display:block;font-size:17px;font-weight:500;margin-top:8px}.report-compass{font-size:120px;color:#bcc2ff;transform:rotate(15deg)}.report-intro,.report-section{display:grid;grid-template-columns:60px 1fr;gap:24px;padding:58px 64px}.section-no{color:#a7afc1;font-weight:800}.report-paper h3{font-size:26px}.lead{font-size:16px;line-height:2}.report-section.tinted{background:#f1f3ff}.report-columns{display:grid;grid-template-columns:1fr 1fr;gap:40px}.feature-list{list-style:none;padding:0}.feature-list li{padding:11px 0;border-bottom:1px solid #dfe3ee}.feature-list span{color:#5b6cf9;margin-right:8px}.report-paper blockquote{margin:30px 0 0;padding:22px;border-left:4px solid #5b6cf9;background:#f6f7fb;font-size:18px;line-height:1.7}.report-paper blockquote small{display:block;color:#7a8293;font-size:11px;margin-top:8px}.action-section{background:#222b59;color:#fff}.action-list{padding:0;list-style:none}.action-list li{display:flex;align-items:center;gap:15px;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.15)}.action-list li span{display:grid;place-items:center;width:36px;height:36px;border:1px solid #9098de;border-radius:50%;font-size:11px}.action-list p{margin:0}.report-footer{padding:28px 64px;border-top:1px solid #e6e8ef;display:flex;justify-content:space-between;gap:30px}.report-footer p{color:#7a8293;font-size:10px;max-width:550px}.empty-report{text-align:center;padding:60px}.empty-report>span{font-size:50px;color:var(--brand)}.settings-list{display:grid;gap:0}.settings-list>div{display:grid;grid-template-columns:1fr 1fr auto;align-items:center;padding:15px 0;border-bottom:1px solid var(--line)}.settings-list p{margin:0;color:var(--muted)}
.guest-shell{min-height:100vh;background:radial-gradient(circle at 15% 10%,#eceeff 0,transparent 28%),var(--bg)}.guest-content{min-height:100vh;display:grid;place-items:center;padding:30px}.auth-card{width:min(430px,100%);background:var(--panel);border:1px solid var(--line);border-radius:22px;padding:34px;box-shadow:var(--shadow);display:grid;gap:25px}.wide-auth{width:min(560px,100%)}.auth-brand{margin-bottom:5px}.demo-note{display:grid;gap:4px;background:var(--soft);padding:13px;border-radius:10px;color:var(--muted);font-size:11px}.demo-note strong{color:var(--brand)}
.registration-link-panel{display:grid;gap:16px;margin-bottom:20px}.registration-link-panel h2{margin-bottom:5px}.registration-link-panel p{margin-bottom:0}.registration-link-actions{display:grid;grid-template-columns:minmax(0,1fr) auto auto;gap:9px;align-items:end}.registration-url{display:grid;gap:6px;min-width:0}.registration-url span{font-size:11px;font-weight:750;color:var(--muted)}.registration-url input{width:100%;font-size:12px}
.headquarters-operations{margin-bottom:20px}.headquarters-operation-list{display:grid;gap:12px}.headquarters-operation-card{display:grid;gap:14px;border:1px solid var(--line);border-radius:14px;padding:18px;background:linear-gradient(145deg,var(--panel),var(--soft))}.headquarters-operation-heading{display:flex;justify-content:space-between;gap:16px;align-items:start}.headquarters-operation-heading h3{margin:9px 0 0}.headquarters-operation-metrics span,.headquarters-operation-metrics em{color:var(--muted);font-size:11px;font-style:normal}.headquarters-operation-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.headquarters-operation-metrics>div{display:grid;gap:3px;padding:12px;border-radius:10px;background:color-mix(in srgb,var(--panel) 82%,transparent);border:1px solid var(--line)}.headquarters-operation-metrics strong{font-size:20px;line-height:1.1}.headquarters-operation-metrics strong small{font-size:11px;color:var(--muted);margin-left:3px}.headquarters-operation-metrics>div:last-child strong{font-size:15px}.headquarters-progress-track{height:7px;background:var(--line);border-radius:99px;overflow:hidden}.headquarters-progress-track span{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--brand),var(--brand2))}.headquarters-progress-counts{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;padding:0;margin:0;list-style:none}.headquarters-progress-counts li{display:flex;justify-content:space-between;gap:8px;padding:9px 10px;background:var(--panel);border:1px solid var(--line);border-radius:9px;font-size:11px}.headquarters-progress-counts span{color:var(--muted)}.organization-cards{display:grid;gap:12px}.organization-card{display:grid;grid-template-columns:minmax(180px,.65fr) minmax(260px,1.35fr) auto;gap:16px;align-items:end;border:1px solid var(--line);border-radius:14px;padding:18px}.organization-card h3{margin:9px 0 4px}.organization-card p{margin:0;color:var(--muted)}.organization-card.import-card{grid-template-columns:minmax(180px,.65fr) minmax(300px,1.35fr)}.student-import{display:grid;gap:8px}.student-import>strong{font-size:14px}.student-import>p{font-size:12px;line-height:1.55}.import-form{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px;align-items:end}.import-form label{display:grid;gap:6px;font-size:11px;font-weight:750;color:var(--muted)}.import-form input[type=file]{width:100%;padding:8px}.import-form div{display:flex;gap:8px}.import-form .button{white-space:nowrap}
.import-details{margin-top:4px;color:var(--muted);font-size:12px}.import-details summary{cursor:pointer;font-weight:700}.import-details .import-form{margin-top:10px}
@keyframes float{50%{transform:translateY(-7px)}}
@media(max-width:900px){.sidebar{transform:translateX(-100%);transition:.2s}.sidebar.open{transform:none}.mobile-header{height:58px;padding:0 18px;display:flex;align-items:center;gap:14px;background:var(--panel);border-bottom:1px solid var(--line)}.mobile-header button{border:0;background:transparent;font-size:20px;color:var(--ink)}.main-content{margin-left:0;padding:24px 18px}.stat-grid{grid-template-columns:1fr 1fr}.chat-stage{grid-template-columns:1fr}.character-guide{display:flex;align-items:center;gap:10px;position:static}.character-orb{width:64px;height:75px;margin:0}.face{font-size:14px;padding:8px}.spark{font-size:12px}.character-bubble{margin:0;flex:1}.student-cards,.content-grid{grid-template-columns:1fr}}
@media(max-width:600px){h1{font-size:24px}.page-header{align-items:flex-start;flex-direction:column}.page-header>.button{width:100%}.page-header .actions{width:100%;display:grid;grid-template-columns:1fr}.page-header .actions .button{width:100%}.stat-grid,.day-grid,.report-columns,.registration-link-panel,.registration-link-actions,.headquarters-operation-metrics,.headquarters-progress-counts,.organization-card,.organization-card.import-card,.import-form{grid-template-columns:1fr}.registration-link-actions,.organization-card{align-items:stretch}.registration-link-actions .button,.organization-card .button{width:100%}.headquarters-operation-heading{align-items:start}.headquarters-progress-counts li{font-size:12px}.import-form div{display:grid;grid-template-columns:1fr 1fr}.stat-card{padding:15px}.toolbar{align-items:stretch;flex-direction:column}.form-grid{grid-template-columns:1fr}.dialogue-header{align-items:flex-start}.question-card h2{font-size:19px}.answer-actions{gap:8px}.answer-actions .button{padding:0 11px}.report-toolbar .actions{width:100%;flex-wrap:wrap}.report-cover{min-height:290px;padding:36px}.report-cover h2{font-size:32px}.report-compass{font-size:60px}.report-intro,.report-section{padding:38px 28px;grid-template-columns:35px 1fr;gap:10px}.report-footer{padding:24px 28px;display:block}.settings-list>div{grid-template-columns:1fr;gap:4px}}
@media print{.sidebar,.mobile-header,.report-toolbar,.toast{display:none!important}.main-content{margin:0;padding:0}.report-paper{box-shadow:none;max-width:none}@page{size:A4;margin:0}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}