.school-shell{min-height:100vh;background:#faf9f7}.school-shell[hidden]{display:none}.school-sidebar{position:fixed;top:0;left:0;width:220px;height:100vh;padding:20px 14px;border-right:1px solid #e5e7eb;background:#faf9f7;font-family:Noto Sans JP,sans-serif;transition:width .2s ease;overflow-y:auto;display:flex;flex-direction:column;z-index:40}.school-sidebar.collapsed{width:56px}.school-content{margin-left:220px;min-height:100vh;padding:32px 40px;transition:margin-left .2s ease;max-width:calc(100vw - 220px);box-sizing:border-box;min-width:0}.school-sidebar.collapsed~.school-content{margin-left:56px;max-width:calc(100vw - 56px)}.ss-preview-banner{background:linear-gradient(135deg,#fef3c7,#fde68a);border-bottom:1px solid #f59e0b;padding:12px 24px;margin:-32px -40px 24px}.ss-preview-inner{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;max-width:1024px}.ss-preview-text{font-size:13px;color:#92400e;margin:0;display:flex;align-items:center;gap:6px}.ss-preview-icon{width:16px;height:16px;flex-shrink:0;stroke:#92400e}.ss-preview-cta{display:inline-block;background:#d4654a;color:#fff;font-size:12px;font-weight:700;padding:8px 16px;border-radius:6px;text-decoration:none;white-space:nowrap}.ss-preview-cta:hover{opacity:.9}.ss-cta-signup{display:flex;align-items:center;gap:10px;font-size:13px;color:#d4654a;font-weight:600;text-decoration:none;padding:7px 10px;border-radius:6px;white-space:nowrap;overflow:hidden}.ss-cta-signup:hover{background:#d4654a14}.ss-cta-signup .ss-icon svg{width:16px;height:16px}.ss-plan-badge[data-plan=preview] .ss-plan-dot{background:#f59e0b}@media(max-width:768px){.ss-preview-banner{margin:-24px -16px 16px;padding:10px 16px}}.ss-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;padding:4px 8px}.ss-brand{font-family:Fredericka the Great,cursive;font-size:22px;color:#111;text-decoration:none;white-space:nowrap;overflow:hidden}.ss-brand:hover{opacity:.7}.collapsed .ss-brand{display:none}.collapsed .ss-header{justify-content:center;margin-bottom:16px}.ss-toggle{width:28px;height:28px;border:none;background:transparent;cursor:pointer;color:#999;display:flex;align-items:center;justify-content:center;border-radius:4px;flex-shrink:0;transition:background .16s,color .16s}.ss-toggle:hover{background:#f0f0f0;color:#111}.ss-toggle svg{width:18px;height:18px}.ss-nav{display:flex;flex-direction:column;gap:2px;margin-bottom:16px}.ss-nav a{display:flex;align-items:center;gap:10px;padding:9px 10px;font-size:14px;border-radius:6px;color:#666;text-decoration:none;transition:background .16s,color .16s;white-space:nowrap;overflow:hidden}.ss-nav a:hover{background:#f5f5f5;color:#111}.ss-nav a.active{background:#ececeb;color:#111;font-weight:600}.ss-nav a[data-locked=true],.ss-md-btn[data-locked=true]{color:#bbb;cursor:not-allowed}.ss-nav a[data-locked=true]:hover,.ss-md-btn[data-locked=true]:hover{background:transparent;color:#bbb}.ss-nav a[data-locked=true] .ss-icon,.ss-md-btn[data-locked=true] .ss-icon{opacity:.5}.ss-lock{margin-left:auto;flex-shrink:0;opacity:.45;display:inline-flex}.ss-lock svg{width:14px;height:14px;stroke:currentColor}.collapsed .ss-lock{display:none}.ss-icon{width:20px;height:20px;min-width:20px;flex-shrink:0;display:inline-flex;align-items:center;justify-content:center}.ss-icon svg{width:18px;height:18px}.ss-label{overflow:hidden;text-overflow:ellipsis}.ss-md-btn{display:flex;align-items:center;gap:10px;margin:8px 4px 16px;padding:9px 12px;font-size:13px;font-weight:600;color:#d4654a;background:#faf5f4;border:1px solid #f0e0dc;border-radius:8px;text-decoration:none;transition:background .16s,border-color .16s;white-space:nowrap;overflow:hidden}.ss-md-btn:hover{background:#f5ece9;border-color:#d4654a}.ss-md-btn.active{background:#d4654a;color:#fff;border-color:#d4654a}.ss-md-btn .ss-icon{color:inherit}.collapsed .ss-md-btn .ss-label{display:none}.collapsed .ss-md-btn{justify-content:center;padding:9px;margin:8px 0 16px}.collapsed .ss-nav a .ss-label{display:none}.collapsed .ss-nav a{justify-content:center;padding:9px}.ss-plan-badge{display:flex;align-items:center;gap:8px;margin:4px 4px 12px;padding:8px 10px;font-size:12px;font-weight:600;border:1px solid #e5e7eb;border-radius:8px;background:#fff;color:#333;white-space:nowrap;overflow:hidden}.ss-plan-dot{width:8px;height:8px;border-radius:50%;background:#9ca3af;flex-shrink:0}.ss-plan-badge[data-plan=free] .ss-plan-dot{background:#9ca3af}.ss-plan-badge[data-plan=light] .ss-plan-dot{background:#60a5fa}.ss-plan-badge[data-plan=full] .ss-plan-dot{background:#22c55e}.ss-plan-name{flex:1;overflow:hidden;text-overflow:ellipsis}.ss-plan-upgrade{font-size:11px;font-weight:600;color:#d4654a;text-decoration:none;padding:3px 6px;border-radius:4px;background:#faf5f4;flex-shrink:0}.ss-plan-upgrade:hover{background:#f5ece9}.collapsed .ss-plan-badge{justify-content:center;padding:6px;margin:4px 0 12px}.collapsed .ss-plan-badge .ss-plan-name,.collapsed .ss-plan-badge .ss-plan-upgrade{display:none}.ss-bottom{margin-top:auto;padding-top:16px;border-top:1px solid #e5e7eb}.ss-section-label{font-size:10px;font-weight:600;color:#bbb;letter-spacing:.08em;margin-bottom:6px;padding:0 10px;white-space:nowrap;overflow:hidden}.collapsed .ss-section-label{font-size:0}.ss-secondary{display:flex;flex-direction:column;gap:2px}.ss-secondary a{display:flex;align-items:center;gap:10px;font-size:13px;color:#999;text-decoration:none;padding:7px 10px;border-radius:6px;white-space:nowrap;overflow:hidden;transition:background .16s,color .16s}.ss-secondary a:hover{background:#f5f5f5;color:#111}.ss-secondary a.active{background:#ececeb;color:#111;font-weight:600}.ss-secondary a .ss-icon svg{width:16px;height:16px}.ss-nav-disabled{display:flex;align-items:center;gap:10px;font-size:13px;color:#bbb;padding:7px 10px;border-radius:6px;white-space:nowrap;overflow:hidden;cursor:not-allowed}.ss-nav-disabled .ss-icon svg{width:16px;height:16px}.ss-soon{margin-left:auto;font-size:10px;color:#999;background:#f3f4f6;padding:2px 6px;border-radius:4px;flex-shrink:0}.collapsed .ss-secondary a .ss-label,.collapsed .ss-nav-disabled .ss-label,.collapsed .ss-soon{display:none}.collapsed .ss-secondary a,.collapsed .ss-nav-disabled{justify-content:center;padding:7px}.ss-mobile-header{display:none}.ss-hamburger,.ss-close{width:36px;height:36px;border:none;background:transparent;cursor:pointer;color:#1a1a1a;display:flex;align-items:center;justify-content:center;border-radius:6px}.ss-hamburger:hover,.ss-close:hover{background:#f0f0f0}.ss-hamburger svg,.ss-close svg{width:22px;height:22px}.ss-close{display:none}.ss-overlay{display:none;position:fixed;inset:0;z-index:39;background:#0006;backdrop-filter:blur(2px)}.ss-overlay.visible{display:block}@media(max-width:768px){.ss-mobile-header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid #e5e7eb;background:#faf9f7;position:sticky;top:0;z-index:38}.ss-mobile-header .ss-brand{font-family:Fredericka the Great,cursive;font-size:20px;color:#111;text-decoration:none}.school-sidebar{position:fixed!important;top:0;left:-280px;width:260px!important;height:100vh!important;border-right:1px solid #e5e7eb;border-bottom:none;padding:20px 14px;flex-direction:column;flex-wrap:nowrap;align-items:stretch;overflow-y:auto;transition:left .25s ease;z-index:41}.school-sidebar.mobile-open{left:0}.school-content{margin-left:0!important;padding:24px 16px;max-width:100%!important}.ss-toggle{display:none!important}.ss-close{display:flex}.ss-header{justify-content:space-between}.ss-nav{flex-direction:column;flex-wrap:nowrap;gap:2px;margin-bottom:16px}.ss-nav a .ss-icon{display:inline-flex}.ss-nav a{padding:9px 10px;font-size:14px}.ss-secondary{flex-direction:column;flex-wrap:nowrap;gap:2px}.ss-secondary a .ss-icon{display:inline-flex}.ss-secondary a{padding:7px 10px;font-size:13px}.ss-bottom{margin-top:auto;padding-top:16px;border-top:1px solid #e5e7eb}.ss-section-label{display:block}}