:root{--wc-paper: #F4F0E8;--wc-surface: #FBF8F2;--wc-border: #E2DBCD;--wc-ink: #3A3631;--wc-ink-muted: #6E665A;--wc-sage-light: #C9D2BE;--wc-sage: #8A9A7B;--wc-sage-dark: #6E7E60;--wc-terra: #C08560;--wc-terra-dark: #A56A47;--wc-blue: #7E96A1;--color-bg: var(--wc-paper);--color-surface: var(--wc-surface);--color-border: var(--wc-border);--color-text: var(--wc-ink);--color-text-muted: var(--wc-ink-muted);--color-accent: var(--wc-sage);--color-accent-light: var(--wc-sage-light);--color-accent-dark: var(--wc-sage-dark);--color-cta: var(--wc-terra);--color-cta-dark: var(--wc-terra-dark);--color-info: var(--wc-blue);--color-action: #4F7385;--color-danger: #b94040;--color-danger-bg: #fdecea;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--shadow-card: 0 1px 3px rgba(58, 54, 49, .1);--shadow-raised: 0 2px 8px rgba(58, 54, 49, .14);--shadow-modal: 0 4px 24px rgba(58, 54, 49, .2)}[data-theme=dark]{--wc-paper: #24221E;--wc-surface: #2D2B26;--wc-border: #3E3A33;--wc-ink: #ECE6D9;--wc-ink-muted: #A79D8C;--wc-sage-light: #353D2F;--wc-sage: #97A786;--wc-sage-dark: #B0BEA0;--wc-terra: #CB9069;--wc-terra-dark: #DAA37D;--wc-blue: #8FA7B2;--color-action: #8FA7B2;--color-danger: #d98a82;--color-danger-bg: #3a2926;--shadow-card: 0 1px 3px rgba(0, 0, 0, .3);--shadow-raised: 0 2px 8px rgba(0, 0, 0, .38);--shadow-modal: 0 4px 24px rgba(0, 0, 0, .5)}[data-theme=modern]{--color-bg: #F4F6F7;--color-surface: #FFFFFF;--color-border: #E2E6E9;--color-text: #2A3338;--color-text-muted: #6B777E;--color-accent: #4F9DA6;--color-accent-light: #EAF3F4;--color-accent-dark: #3C7D85;--color-cta: #E08A5D;--color-cta-dark: #C56F44;--color-info: #4F9DA6;--color-action: #3E7CA8}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%}body{font-family:Meiryo,メイリオ,system-ui,-apple-system,Hiragino Kaku Gothic ProN,Yu Gothic UI,Segoe UI,Noto Sans JP,sans-serif;font-size:16px;color:var(--color-text);background-color:var(--color-bg);line-height:1.5;-webkit-font-smoothing:antialiased}button{cursor:pointer;border:none;background:none;font-family:inherit;font-size:inherit;color:inherit;line-height:inherit}input{font-family:inherit;font-size:inherit;color:var(--color-text);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-sm);outline:none}input:focus{border-color:var(--color-accent);box-shadow:0 0 0 2px var(--color-accent-light)}.todo-screen{max-width:480px;margin:0 auto;min-height:100%;padding:20px 16px 100px;display:flex;flex-direction:column;gap:16px}.todo-header{display:flex;align-items:center;justify-content:space-between}.todo-header h1{font-size:20px}.todo-header__right{display:flex;align-items:center;gap:10px}.todo-header__date{color:var(--color-text-muted);font-size:14px}.theme-toggle{font-size:18px;padding:4px}.task-list{list-style:none;display:flex;flex-direction:column;gap:6px}.task-list__empty{color:var(--color-text-muted);text-align:center;padding:32px 0}.task-item{position:relative;display:flex;align-items:center;gap:8px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);box-shadow:var(--shadow-card);padding:8px 14px}.task-item--dragging{position:relative;z-index:10;box-shadow:var(--shadow-modal);opacity:.9}.task-item--drop-target:before{content:"";position:absolute;left:0;right:0;top:-5px;height:3px;border-radius:2px;background:var(--color-accent)}.task-item__label{flex:1;min-width:0;display:flex;align-items:center;gap:10px;cursor:pointer}.task-item__label input[type=checkbox]{width:20px;height:20px;accent-color:var(--color-accent);flex:none}.task-item__label span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.task-item__handle{flex:none;width:40px;height:40px;display:flex;align-items:center;justify-content:center;color:var(--color-text-muted);font-size:18px;line-height:1;letter-spacing:-2px;cursor:grab;touch-action:none;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none}.add-task-btn{position:fixed;left:50%;bottom:20px;transform:translate(-50%);width:calc(100% - 32px);max-width:448px}.btn{border-radius:var(--radius-md);padding:12px 16px;font-weight:600;text-align:center}.btn--cta{background:var(--color-cta);color:#fff}.btn--primary{background:var(--color-accent);color:#fff}.btn--ghost{background:var(--color-surface);border:1px solid var(--color-border);color:var(--color-text-muted)}.add-form{position:fixed;left:50%;bottom:20px;transform:translate(-50%);width:calc(100% - 32px);max-width:448px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-modal);padding:16px;display:flex;flex-direction:column;gap:12px}.add-form__row{display:flex;gap:8px}.add-form__input{flex:1;padding:10px 12px}.add-form__mic{flex:none;width:44px;height:44px;border-radius:50%;background:var(--color-accent-light);font-size:18px}.add-form__mic--active{background:var(--color-cta)}.add-form__error{color:var(--color-danger);background:var(--color-danger-bg);border-radius:var(--radius-sm);padding:8px 10px;font-size:13px}.add-form__actions{display:flex;justify-content:flex-end;gap:8px}.add-form__actions .btn{padding:8px 14px}