:root{font-family:Yu Gothic,Hiragino Kaku Gothic ProN,Meiryo,sans-serif;color:#333e37;background:#f7f8f5;font-synthesis:none;--yellow:#f8edb5;--pink:#f5d9d5;--green:#dcebd6;--blue:#d7e7ef}*{box-sizing:border-box}body{margin:0}button,input,textarea{font:inherit}button{cursor:pointer}button:focus-visible,a:focus-visible{outline:3px solid #497963;outline-offset:3px}.header{height:88px;padding:0 5%;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #e4e8e1;background:#fbfcf9}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:#35483c;font-weight:700;font-size:23px;letter-spacing:2px}.brand-mark{color:#54735c;font-size:38px;line-height:1}.brand-caption{font-size:10px;font-weight:500;letter-spacing:2px;margin-left:12px;color:#859086}.storage-label{display:flex;align-items:center;gap:8px;font-size:12px;color:#748174}.status-dot{width:6px;height:6px;background:#6c8b71;border-radius:50%}.failed .status-dot{background:#b96345}main{max-width:1500px;margin:auto;padding:48px 5% 24px}.intro{display:flex;justify-content:space-between;align-items:center;gap:24px;margin-bottom:32px}.eyebrow{font-size:10px;font-weight:600;letter-spacing:2.4px;color:#7d8c7d;margin:0 0 14px}h1{font-size:32px;letter-spacing:2px;font-weight:600;margin:0 0 14px}.description{font-size:13px;color:#7d847b;line-height:1.8;margin:0}.tools{display:flex;align-items:center;gap:20px;flex-shrink:0}.palette{border:0;padding:0;margin:0;display:flex;gap:2px}.swatch{display:grid;place-items:center;width:40px;height:44px;position:relative;cursor:pointer}.swatch input{position:absolute;opacity:0;width:100%;height:100%;margin:0;cursor:pointer}.swatch span{width:24px;height:24px;border-radius:50%;background:var(--note-color);border:1px solid #0000000a;pointer-events:none}.swatch input:checked+span{outline:1.5px solid #657562;outline-offset:4px}.swatch input:focus-visible+span{outline:3px solid #497963;outline-offset:4px}.yellow{--note-color:var(--yellow)}.pink{--note-color:var(--pink)}.green{--note-color:var(--green)}.blue{--note-color:var(--blue)}.add-button{border:0;border-radius:9px;background:#3c5746;color:#fff;padding:13px 20px;min-height:48px;display:flex;align-items:center;gap:10px;font-size:13px;white-space:nowrap;box-shadow:0 3px 6px #334a3620}.add-button:hover{background:#2e4537}.add-button>span{font-size:23px;line-height:1}.board-shell{border:1px solid #dfe5dc;border-radius:12px;overflow:hidden;background:#fcfdfb}.board-toolbar{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:17px 22px;border-bottom:1px solid #e5e9e0;font-size:12px;font-weight:600;min-height:56px}.count{font-size:10px;margin-left:8px;background:#eef1e9;color:#7c8879;border-radius:5px;padding:3px 7px}.board-hint{font-weight:400;font-size:11px;color:#939a8f}.board{position:relative;background-image:radial-gradient(#cdd6c5 1px,transparent 1px);background-size:20px 20px;min-height:520px;isolation:isolate}.empty-state{position:absolute;left:20px;right:20px;top:135px;text-align:center;color:#899180}.empty-state[hidden]{display:none}.paper-stack{height:100px;width:120px;margin:0 auto 28px;position:relative}.paper-stack span{position:absolute;width:74px;height:84px;left:24px;top:10px;border-radius:3px;box-shadow:0 3px 6px #586a4220;background:#e2eadb;transform:rotate(-15deg)}.paper-stack span:nth-child(2){background:#e0e9ee;transform:rotate(13deg);left:38px}.paper-stack span:nth-child(3){background:#f6ebbb;transform:rotate(-3deg);display:grid;place-items:center;color:#a89d63;font-size:30px}.empty-state h2{font-size:15px;font-weight:500;letter-spacing:.5px;line-height:1.8}.empty-state p{font-size:12px;color:#a0a797}.note{position:absolute;height:244px;background:var(--note-color);border-radius:3px 3px 14px;box-shadow:1px 4px 7px #43513714;display:flex;flex-direction:column;border:1px solid #00000004}.note-top{display:flex;align-items:center;justify-content:space-between;padding:3px 7px 0;flex-shrink:0;height:48px}.drag-handle{touch-action:none;cursor:grab;border:0;background:transparent;color:#4a584855;height:44px;flex:1;text-align:left;padding:0 8px;font-size:24px}.delete-note{height:44px;width:44px;border:0;background:transparent;display:grid;place-items:center;color:#52614d88;border-radius:6px}.delete-note svg{width:17px;height:17px}.delete-note:hover{background:#fff5;color:#5d453d}.dragging{z-index:10;box-shadow:0 10px 22px #43513730}.dragging .drag-handle{cursor:grabbing}.note textarea{display:block;flex:1;min-height:0;width:100%;resize:none;border:0;background:transparent;outline:none;color:#46503e;font-size:15px;line-height:1.8;padding:6px 20px 10px;border-radius:0;overflow:auto}.note textarea:focus{background:#ffffff18}.note textarea::placeholder{color:#56604d70}.note-bottom{display:flex;justify-content:space-between;padding:10px 20px 14px;font-size:8px;letter-spacing:1.5px;color:#68725960;flex-shrink:0;align-items:center}.note-bottom>span:first-child{font-size:16px}footer{display:flex;justify-content:space-between;gap:16px;margin-top:20px;color:#91998b;font-size:10px;line-height:1.8}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media(min-width:1600px){main{padding-left:60px;padding-right:60px}}@media(max-width:1000px){.intro{align-items:flex-start;flex-direction:column;gap:22px}.tools{align-self:flex-end}main{padding-top:32px}h1{font-size:29px}.brand-caption{display:none}}@media(max-width:480px){.header{height:72px;padding:0 20px}.brand{font-size:20px;gap:8px}.brand-mark{font-size:30px}.storage-label{font-size:10px;gap:5px}main{padding:28px 16px 20px}.eyebrow{font-size:8px;letter-spacing:1.8px}h1{font-size:25px;letter-spacing:1px}.description{font-size:12px}.intro{margin-bottom:24px;gap:20px}.tools{width:100%;justify-content:space-between;gap:8px}.swatch{width:38px;height:48px}.add-button{padding:12px 14px;min-height:48px}.board-toolbar{padding:14px 16px}.board-hint{font-size:10px}.board{min-height:520px}.empty-state h2{font-size:13px}.note-top{height:52px}.note textarea{font-size:16px}footer{flex-direction:column;gap:4px;font-size:10px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}.note-color-select{flex:0 0 78px;min-width:0;height:44px;padding:0 4px 0 8px;border:1px solid #52614d25;border-radius:6px;background:#ffffff30;color:#46503e;font-size:12px;cursor:pointer}.note-color-select:hover{background:#ffffff60}.note-color-select:focus-visible{outline:3px solid #497963;outline-offset:2px}.note-color-select option{background:#fff;color:#333e37}.note-top .drag-handle{min-width:44px}