:root{--bg:#f7f9fb;--card:#fff;--text:#333;--muted:#6b7280;--primary:#4a90e2;--border:#e5e7eb;--shadow:0 1px 2px rgba(0,0,0,.06),0 6px 12px rgba(0,0,0,.04)}[data-theme=dark]{--bg:#0a0e1a;--card:#1a1f2e;--text:#f1f5f9;--text-secondary:#cbd5e1;--muted:#94a3b8;--primary:#3b82f6;--primary-hover:#2563eb;--border:#2d3748;--shadow:0 1px 3px rgba(0,0,0,.7),0 4px 8px rgba(0,0,0,.4);--success:#10b981;--warning:#f59e0b;--error:#ef4444}body,html{margin:0;padding:0;font-family:Inter,Noto Sans JP,ui-sans-serif,system-ui,-apple-system;background:var(--bg);color:var(--text)}*{box-sizing:border-box}.container{max-width:1440px;margin:0 auto;padding:12px}.header{position:-webkit-sticky;position:sticky;top:0;z-index:40;display:grid;grid-template-columns:1fr;grid-gap:10px;gap:10px;padding:10px 0;-webkit-backdrop-filter:saturate(180%) blur(8px);backdrop-filter:saturate(180%) blur(8px);background:rgba(247,249,251,.8);border-bottom:1px solid var(--border)}[data-theme=dark] .header{background:rgba(10,14,26,.85)}.grid{display:grid;grid-gap:12px;gap:12px}.card{border:1px solid var(--border);border-radius:10px;padding:14px;background:var(--card);box-shadow:var(--shadow)}.btn{background:var(--primary);color:#fff;border:none;border-radius:10px;padding:10px 14px;cursor:pointer;transition:background .2s}.btn:hover{opacity:.9}.btn.secondary{background:#eef2f7;color:var(--text)}[data-theme=dark] .btn.secondary{background:#2d3748;color:var(--text)}[data-theme=dark] .btn.secondary:hover{background:#374151}.input{border:1px solid var(--border);border-radius:10px;padding:10px;background:var(--card);color:var(--text)}.input:focus{outline:2px solid var(--primary);outline-offset:2px}label{font-size:12px;color:var(--muted);display:block;margin-bottom:6px;font-weight:500}.nav{justify-content:space-between}.nav,.nav-left{display:flex;align-items:center}.nav-left{gap:14px}.nav-link{text-decoration:none;color:var(--text);padding:6px 8px;border-radius:8px;transition:background 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40"]{color:var(--text)!important}.calendar-day-selected{background:#eff6ff!important}[data-theme=dark] .calendar-day-selected{background:#1e3a8a!important;color:var(--text)!important}.emoji{filter:grayscale(1);-webkit-filter:grayscale(1)}.edit-modal-content{background:#fff!important;color:#1a202c!important}[data-theme=dark] .edit-modal-content{background:#1a202c!important;color:#f7fafc!important;border-color:#2d3748!important;box-shadow:0 20px 25px -5px rgba(0,0,0,.5),0 10px 10px -5px rgba(0,0,0,.3)!important}.edit-modal-content h3{color:inherit}.edit-modal-content label{color:inherit;opacity:.8}.edit-modal-content input,.edit-modal-content textarea{background:#fff!important;color:#1a202c!important;border:1px solid #e2e8f0!important}[data-theme=dark] .edit-modal-content input,[data-theme=dark] .edit-modal-content textarea{background:#2d3748!important;color:#f7fafc!important;border-color:#4a5568!important}.edit-modal-content input::placeholder,.edit-modal-content 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[style*="borderLeft: 2px solid"]{border-color:#4b5563!important}[data-theme=dark] a{color:#60a5fa}[data-theme=dark] a:hover{color:#93c5fd}[data-theme=dark] table{color:var(--text)}[data-theme=dark] th{background-color:#2d3748!important;color:var(--text)!important}[data-theme=dark] td{border-color:#374151!important}[data-theme=dark] [style*="background: #dbeafe"]{background:#1e3a8a!important;color:#93c5fd!important}[data-theme=dark] [style*="background: #fee2e2"]{background:#7f1d1d!important;color:#fca5a5!important}[data-theme=dark] [style*="background: #fef3c7"]{background:#78350f!important;color:#fcd34d!important}[data-theme=dark] [style*="background: #d1fae5"]{background:#065f46!important;color:#6ee7b7!important}[data-theme=dark] [style*="color: #0c4a6e"]{color:#7dd3fc!important}[data-theme=dark] [style*="color: #065f46"]{color:#6ee7b7!important}[data-theme=dark] [style*="color: #92400e"]{color:#fcd34d!important}[data-theme=dark] [style*="color: 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input[type=range]::-webkit-slider-thumb{background:#1a1f2e;border-color:#10b981}[data-theme=dark] input[type=range]::-moz-range-thumb{background:#1a1f2e;border-color:#10b981}