*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--color-primary:#c0392b;--color-primary-dark:#962d22;--color-secondary:#e74c3c;--color-bg:#f5f5f5;--color-surface:#fff;--color-border:#e0e0e0;--color-text:#212121;--color-text-secondary:#757575;--color-draft:#f39c12;--color-completed:#27ae60;--color-danger:#e74c3c;--font-sans:system-ui, "Hiragino Sans", "Noto Sans JP", sans-serif;--radius:8px;--radius-sm:4px;font-family:var(--font-sans);color:var(--color-text);background:var(--color-bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:16px}body{min-height:100svh;padding-top:env(safe-area-inset-top);padding-left:env(safe-area-inset-left);padding-right:env(safe-area-inset-right)}#root{flex-direction:column;min-height:100svh;display:flex}button{font-family:var(--font-sans);cursor:pointer;border-radius:var(--radius-sm);border:none;padding:.6rem 1.2rem;font-size:1rem;transition:opacity .15s}button:disabled{opacity:.5;cursor:not-allowed}input,select,textarea{font-family:var(--font-sans);border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-surface);width:100%;color:var(--color-text);padding:.5rem .75rem;font-size:1rem}input:focus,select:focus,textarea:focus{outline:2px solid var(--color-primary);outline-offset:1px}label{color:var(--color-text-secondary);margin-bottom:.25rem;font-size:.875rem;display:block}a{color:var(--color-primary);text-decoration:none}.app-header{background:var(--color-primary);color:#fff;z-index:100;align-items:center;gap:.75rem;height:56px;padding:0 1rem;display:flex;position:sticky;top:0;box-shadow:0 2px 4px #00000026}.app-header h1{color:#fff;flex:1;font-size:1.1rem;font-weight:600}.app-header .back-btn{color:#fff;background:0 0;padding:.25rem .5rem;font-size:1.4rem;line-height:1}.app-main{padding:1rem;padding-bottom:calc(1rem + env(safe-area-inset-bottom));flex:1;width:100%;max-width:640px;margin:0 auto}.btn-primary{background:var(--color-primary);color:#fff;font-weight:600}.btn-primary:hover:not(:disabled){background:var(--color-primary-dark)}.btn-secondary{background:var(--color-surface);color:var(--color-text);border:1px solid var(--color-border)}.btn-secondary:hover:not(:disabled){background:var(--color-bg)}.btn-draft{background:var(--color-draft);color:#fff;font-weight:600}.btn-completed{background:var(--color-completed);color:#fff;font-weight:600}.btn-full{width:100%;padding:.75rem;font-size:1rem}.card{background:var(--color-surface);border-radius:var(--radius);border:1px solid var(--color-border);padding:1rem}.form-group{margin-bottom:1rem}.form-group:last-child{margin-bottom:0}.form-row{gap:.75rem;display:flex}.form-row .form-group{flex:1}.status-badge{border-radius:9999px;padding:.15rem .5rem;font-size:.75rem;font-weight:600;display:inline-block}.status-badge.draft{color:#856404;background:#fef3cd}.status-badge.completed{color:#0a3622;background:#d1e7dd}.nav-actions{flex-direction:column;gap:.75rem;margin-bottom:1.5rem;display:flex}.section-title{color:var(--color-text-secondary);text-transform:uppercase;letter-spacing:.05em;margin-bottom:.75rem;font-size:.875rem;font-weight:600}.empty-state{text-align:center;color:var(--color-text-secondary);padding:2rem 1rem;font-size:.95rem}details>summary{cursor:pointer;color:var(--color-text-secondary);-webkit-user-select:none;user-select:none;align-items:center;gap:.4rem;font-size:.9rem;font-weight:600;list-style:none;display:flex}details>summary:before{content:"▶";font-size:.6rem;transition:transform .15s;display:inline-block}details[open]>summary:before{transform:rotate(90deg)}