:root{--paper: #fffdf7;--bg: #f4efe6;--bar: #ffffff;--ink: #3d3730;--line: #ddd3c4;--accent: #4aa3df;--shadow: 0 4px 0 rgba(0, 0, 0, .12);--btn: 88px;--spring: cubic-bezier(.34, 1.56, .64, 1);--paper-w: 1748;--paper-h: 1181;--bead-cols: 58;--bead-rows: 39;--dot-cols: 116;--dot-rows: 78}*{box-sizing:border-box}html,body{margin:0;height:100%;overflow:hidden;background:var(--bg);color:var(--ink);font-family:Hiragino Sans,Noto Sans JP,system-ui,sans-serif;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none;-webkit-tap-highlight-color:transparent;overscroll-behavior:none}body{display:flex;flex-direction:column}.app-header{flex:0 0 auto;display:flex;align-items:center;gap:10px;padding:8px 16px;padding-top:calc(8px + env(safe-area-inset-top));background:var(--bar);box-shadow:0 2px 8px #00000014}.app-header .app-icon{display:block;width:28px;height:28px}.app-header h1{margin:0;font-size:18px;font-weight:700;letter-spacing:.04em}.app-header .app-tagline{margin:0;font-size:12px;color:var(--ink);opacity:.6}.app-header .app-version{margin-left:auto;font-size:12px;font-variant-numeric:tabular-nums;color:var(--ink);opacity:.45}.app{display:flex;flex:1;min-height:0;padding:0 env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left)}.app.bar-bottom{flex-direction:column}.app.bar-left{flex-direction:row-reverse}.stage{position:relative;flex:1;display:flex;align-items:center;justify-content:center;justify-content:safe center;min-height:0;min-width:0;padding:10px;overflow:hidden;touch-action:none}.paper-wrap{position:relative;max-width:100%;max-height:100%;aspect-ratio:var(--paper-w) / var(--paper-h);transform-origin:0 0}.paper{display:block;width:100%;height:100%;background:var(--paper);border-radius:14px;box-shadow:0 6px 18px #00000024;touch-action:none;cursor:crosshair}.paper-overlay{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;pointer-events:none}.underlay-input{position:absolute;left:0;top:0;width:1px;height:1px;opacity:0;pointer-events:none;border:0;padding:0}.underlay-layer{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;display:none;border-radius:14px;pointer-events:none}.underlay-layer.is-on{display:block}.underlay-layer.is-placing,.underlay-layer.is-hidden-by-user{display:none}.paper-texture-layer{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;display:none;border-radius:14px;pointer-events:none;mix-blend-mode:multiply}.paper-texture-layer.is-on{display:block}.place-canvas{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;display:none;touch-action:none;cursor:grab}.place-canvas.is-visible{display:block}.grid-layer{position:absolute;top:0;right:0;bottom:0;left:0;display:none;border-radius:14px;pointer-events:none;background-image:repeating-linear-gradient(to right,rgba(74,163,223,.34) 0 1px,transparent 1px 100%),repeating-linear-gradient(to bottom,rgba(74,163,223,.34) 0 1px,transparent 1px 100%);background-size:6.25% calc(100% * var(--paper-w) / (var(--paper-h) * 16))}.grid-layer.is-beads{background-image:repeating-linear-gradient(to right,rgba(61,55,48,.22) 0 1px,transparent 1px 100%),repeating-linear-gradient(to bottom,rgba(61,55,48,.22) 0 1px,transparent 1px 100%);background-size:calc(100% / var(--bead-cols)) calc(100% / var(--bead-rows))}.grid-layer.is-dot{background-image:repeating-linear-gradient(to right,rgba(61,55,48,.12) 0 1px,transparent 1px 100%),repeating-linear-gradient(to bottom,rgba(61,55,48,.12) 0 1px,transparent 1px 100%);background-size:calc(100% / var(--dot-cols)) calc(100% / var(--dot-rows))}.grid-layer.is-on{display:block}.paper.is-pixelated{image-rendering:pixelated}.grid-layer.is-hidden-by-user{display:none}.confetti{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none}.stage-toggles{position:absolute;top:12px;right:12px;display:flex;flex-direction:row-reverse;gap:12px}.sound-toggle{width:56px;height:56px;border:none;border-radius:50%;background:#ffffffe6;box-shadow:var(--shadow);cursor:pointer;transition:transform .18s var(--spring)}.sound-toggle:active{transform:scale(.88)}.sound-toggle svg{width:32px;height:32px}.underlay-toggle{display:none}.underlay-toggle.is-visible{display:block}.screen-filter{position:fixed;top:0;right:0;bottom:0;left:0;pointer-events:none;z-index:999;transition:background-color .18s ease}.screen-filter.is-soft{background:#0000001f}.screen-filter.is-dark{background:#00000042}.screen-filter.is-night{background:#ffb347;mix-blend-mode:multiply}.minimap{position:absolute;left:12px;top:12px;width:120px;border-radius:8px;overflow:hidden;box-shadow:var(--shadow);opacity:0;pointer-events:none;transition:opacity .3s ease}.minimap.is-visible{opacity:1}.minimap-canvas{display:block;width:100%;height:auto;background:var(--paper)}.minimap-viewport{position:absolute;border:2px solid rgba(255,90,90,.9);background:#ff5a5a1f;box-sizing:border-box}.fit-button{display:none;flex-direction:column;align-items:center;justify-content:center;gap:1px;width:64px;height:56px;border:none;border-radius:28px;background:#ffffffeb;box-shadow:var(--shadow);color:var(--ink);font-size:11px;font-weight:700;cursor:pointer;transition:transform .18s var(--spring)}.fit-button.is-visible{display:flex}.fit-button:active{transform:scale(.88)}.fit-button svg{width:24px;height:24px}.place-done-button{position:absolute;left:50%;bottom:16px;transform:translate(-50%);display:none;padding:14px 28px;border:none;border-radius:999px;background:var(--accent);color:#fff;font-size:16px;font-weight:700;box-shadow:var(--shadow);cursor:pointer;z-index:15;transition:transform .18s var(--spring)}.place-done-button.is-visible{display:block}.place-done-button:active{transform:translate(-50%) scale(.92)}.toolbar-bar{position:relative;flex:0 0 auto;background:var(--bar);box-shadow:0 -2px 10px #00000014}.toolbar{display:flex;align-items:center;justify-content:flex-start;flex-wrap:nowrap;overflow-x:auto;overscroll-behavior-x:contain;touch-action:pan-x;scrollbar-width:none;gap:10px;padding:10px 14px}.toolbar::-webkit-scrollbar{display:none}.toolbar-arrow{position:absolute;top:6px;bottom:6px;z-index:5;display:none;align-items:center;justify-content:center;width:34px;border:none;border-radius:14px;background:#fffffff0;box-shadow:0 2px 10px #0000002e;cursor:pointer;transition:transform .18s var(--spring)}.toolbar-arrow.is-visible{display:flex}.toolbar-arrow:active{transform:scale(.9)}.toolbar-arrow svg{width:22px;height:22px}.toolbar-arrow-left{left:4px}.toolbar-arrow-right{right:4px}.bar-left .toolbar{flex-direction:column;overflow-x:hidden;overflow-y:auto;touch-action:pan-y}.bar-left .toolbar-arrow{display:none}.tool-button{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;width:var(--btn);height:var(--btn);flex:none;border:3px solid transparent;border-radius:20px;background:#f7f3ec;color:var(--ink);font-size:15px;font-weight:700;line-height:1.1;cursor:pointer;transition:transform .18s var(--spring),background .15s ease,border-color .15s ease}.tool-button .icon{display:flex;align-items:center;justify-content:center;width:34px;height:34px;font-size:30px;line-height:1}.tool-button .icon svg{width:34px;height:34px}.color-chip{display:block;width:30px;height:30px;border:3px solid #fff;border-radius:50%;box-shadow:0 0 0 2px var(--line)}.tool-button.is-dim{opacity:.35}.tool-button:disabled{cursor:default}.app.is-multi-draw .paper{box-shadow:0 0 0 5px var(--accent),0 6px 18px #00000024}.tool-button .label{display:block;text-align:center;white-space:nowrap}ruby>rt{font-size:.5em;font-weight:700;transform:translateY(2px)}.app[data-notation=L3] ruby>rt{display:none}.tool-button:active{transform:scale(.88)}.tool-button.is-active{border-color:var(--accent);background:#eaf4fc}.tool-button.is-new{animation:pop-in .45s var(--spring)}@keyframes pop-in{0%{transform:scale(0)}to{transform:scale(1)}}.tool-button.chest{background:#fff2cc;animation:chest-wiggle 1.2s ease-in-out infinite}@keyframes chest-wiggle{0%,to{transform:rotate(-3deg)}50%{transform:rotate(3deg)}}.tool-button.done{width:auto;padding:0 22px;background:#ffe0b2}.bar-left .tool-button.done{margin-top:auto;width:var(--btn);padding:0;font-size:13px}.panel{position:fixed;z-index:20;display:none;gap:14px;padding:16px;border-radius:22px;background:var(--bar);box-shadow:0 8px 26px #0003;transform-origin:bottom center}.panel.is-open{display:flex;flex-wrap:wrap;justify-content:center;animation:panel-in .24s var(--spring)}@keyframes panel-in{0%{transform:scale(.6) translateY(14px);opacity:0}to{transform:scale(1) translateY(0);opacity:1}}.swatches{display:grid;grid-template-columns:repeat(auto-fill,68px);gap:12px;justify-content:center;padding:8px;width:min(calc(100vw - 40px),484px);max-height:40vh;overflow-y:auto;touch-action:pan-y;scrollbar-width:none}.swatches::-webkit-scrollbar{display:none}.bead-swatches{display:none;grid-template-columns:repeat(auto-fill,56px);gap:10px;width:min(calc(100vw - 40px),402px)}.color-panel.is-beads .crayon-swatches{display:none}.color-panel.is-beads .bead-swatches{display:grid}.bead-swatches .swatch{width:56px;height:56px}.swatch{width:68px;height:68px;border:4px solid #fff;border-radius:50%;box-shadow:0 0 0 2px var(--line);cursor:pointer;transition:transform .18s var(--spring)}.swatch:active{transform:scale(.85)}.swatch.is-active{box-shadow:0 0 0 5px var(--accent)}.grid-panel{gap:12px;max-width:min(calc(100vw - 24px),404px)}.hscroll-track{display:flex;flex:1 1 auto;min-width:0;align-items:center;justify-content:center;gap:12px;overflow-x:auto;touch-action:pan-x;scrollbar-width:none;scroll-behavior:smooth;--fade-in: 0px;--fade-out: 0px;mask-image:linear-gradient(to right,transparent 0,black var(--fade-in),black calc(100% - var(--fade-out)),transparent 100%);-webkit-mask-image:linear-gradient(to right,transparent 0,black var(--fade-in),black calc(100% - var(--fade-out)),transparent 100%)}.hscroll-track::-webkit-scrollbar{display:none}.hscroll-track.is-overflow-left{--fade-in: 28px}.hscroll-track.is-overflow-right{--fade-out: 28px}.paper-row,.grid-mode-row{position:relative;display:flex;align-items:center;gap:8px;flex-basis:100%;min-width:0}.underlay-strip{display:none;position:relative;flex-basis:100%;min-width:0;align-items:center}.underlay-strip.is-visible{display:flex}.underlay-strip-track{display:flex;flex:1 1 auto;min-width:0;align-items:center;gap:12px;overflow-x:auto;scrollbar-width:none;touch-action:pan-x;scroll-behavior:smooth}.underlay-strip-track::-webkit-scrollbar{display:none}.underlay-strip-arrow{position:absolute;top:0;bottom:0;z-index:5;display:none;align-items:center;justify-content:center;width:26px;border:none;border-radius:12px;background:#fffffff0;box-shadow:0 2px 10px #0000002e;cursor:pointer;transition:transform .18s var(--spring)}.underlay-strip-arrow.is-visible{display:flex}.underlay-strip-arrow:active{transform:scale(.9)}.underlay-strip-arrow svg{width:18px;height:18px}.underlay-strip-arrow-left{left:0}.underlay-strip-arrow-right{right:0}.underlay-add,.underlay-thumb{flex:none;width:88px;height:88px;padding:0;border:3px solid transparent;border-radius:16px;background:#f7f3ec;cursor:pointer;transition:transform .18s var(--spring)}.underlay-add:active,.underlay-thumb:active{transform:scale(.9)}.underlay-add{display:flex;align-items:center;justify-content:center}.underlay-add svg{width:34px;height:34px}.underlay-thumb{overflow:hidden}.underlay-thumb img{width:100%;height:100%;object-fit:cover;display:block}.underlay-thumb.is-active{border-color:var(--accent)}.underlay-opacity-row{display:none;position:relative;flex-basis:100%;min-width:0}.underlay-opacity-row.is-visible{display:flex;align-items:center;gap:8px}.pen-panel,.eraser-panel,.fill-panel{max-width:min(calc(100vw - 24px),520px)}.pen-panel{flex-direction:column;align-items:stretch;gap:12px}.nib-row,.fill-mode-row{position:relative;display:flex;align-items:center;gap:8px;width:100%;min-width:0}.nib-button{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;flex:none;width:84px;height:84px;border:3px solid transparent;border-radius:20px;background:#f7f3ec;color:var(--ink);font-size:13px;font-weight:700;cursor:pointer;transition:transform .18s var(--spring)}.nib-button .icon{display:block;width:34px;height:34px}.nib-button .icon svg{width:34px;height:34px}.nib-button:active{transform:scale(.88)}.nib-button.is-active{border-color:var(--accent);background:#eaf4fc}.size-row{position:relative;display:flex;align-items:center;gap:8px;width:100%;min-width:0}.size-button{display:flex;align-items:center;justify-content:center;flex:none;width:84px;height:84px;border:3px solid transparent;border-radius:20px;background:#f7f3ec;cursor:pointer;transition:transform .18s var(--spring)}.size-button:active{transform:scale(.88)}.size-button.is-active{border-color:var(--accent)}.size-dot{background:var(--ink);border-radius:50%}.eraser-panel .size-dot{background:var(--paper);border:3px solid var(--ink)}.gallery{position:fixed;top:0;right:0;bottom:0;left:0;z-index:40;display:none;flex-direction:column;background:var(--bg);padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left)}.gallery.is-open{display:flex;animation:panel-in .26s var(--spring)}.gallery-header{display:flex;align-items:center;gap:12px;padding:14px 18px;background:var(--bar);box-shadow:0 2px 10px #00000014}.gallery-title{flex:1;display:flex;align-items:center;gap:10px;margin:0;font-size:26px}.gallery-title-icon{display:flex;align-items:center;justify-content:center;width:34px;height:34px;flex:none}.gallery-title-icon svg{width:34px;height:34px}.gallery-tab,.gallery-close,.gallery-action{display:flex;align-items:center;justify-content:center;gap:8px}.btn-icon{display:flex;align-items:center;justify-content:center;width:28px;height:28px;flex:none}.btn-icon svg{width:28px;height:28px}.gallery-tab,.gallery-close{min-height:56px;padding:0 20px;border:3px solid transparent;border-radius:18px;background:#f7f3ec;color:var(--ink);font-size:17px;font-weight:700;cursor:pointer;transition:transform .18s var(--spring)}.gallery-close{background:#ffe0b2}.gallery-tab:active,.gallery-close:active{transform:scale(.9)}.gallery-grid{flex:1;overflow-y:auto;display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:18px;padding:18px;align-content:start;touch-action:pan-y}.gallery-card{display:flex;flex-direction:column;align-items:stretch;gap:8px;padding:10px;border:4px solid transparent;border-radius:20px;background:var(--bar);box-shadow:var(--shadow)}.gallery-card.is-current{border-color:var(--accent)}.gallery-thumb{padding:0;border:none;border-radius:14px;background:var(--paper);aspect-ratio:var(--card-w, var(--paper-w)) / var(--card-h, var(--paper-h));overflow:hidden;cursor:pointer;transition:transform .18s var(--spring)}.gallery-thumb:active{transform:scale(.94)}.gallery-thumb img{width:100%;height:100%;object-fit:contain;display:block}.gallery-caption{text-align:center;font-size:16px;font-weight:700}.gallery-grid.is-timeline{display:flex;align-items:center;overflow-x:auto;overflow-y:hidden;scroll-snap-type:x proximity;-webkit-overflow-scrolling:touch;touch-action:pan-x}.timeline-track{position:relative;display:flex;align-items:flex-end;gap:18px;width:max-content;min-width:100%;padding:8px 18px 26px;flex:none}.timeline-track:before{content:"";position:absolute;left:0;right:0;bottom:32px;height:5px;border-radius:3px;background:var(--line)}.timeline-card{position:relative;width:240px;flex:none;scroll-snap-align:center;margin-bottom:22px}.timeline-dot{position:absolute;bottom:-32px;left:50%;width:18px;height:18px;margin-left:-9px;border:4px solid var(--bar);border-radius:50%;background:var(--accent)}.timeline-daymark{position:relative;flex:none;display:flex;align-items:flex-end;justify-content:center;width:92px;margin-bottom:22px}.timeline-daylabel{padding:8px 12px;border-radius:14px;background:var(--bar);box-shadow:var(--shadow);font-size:15px;font-weight:700;white-space:nowrap}.timeline-now .timeline-daylabel{background:var(--accent);color:#fff}.timeline-now .timeline-dot{background:var(--accent);width:24px;height:24px;margin-left:-12px;bottom:-35px}.gallery-note{min-height:20px;text-align:center;font-size:14px;font-weight:700;color:var(--accent)}.gallery-history{background:#eaf4fc}.gallery-action{min-height:52px;border:none;border-radius:14px;background:#f7f3ec;color:var(--ink);font-size:16px;font-weight:700;cursor:pointer;transition:transform .18s var(--spring)}.gallery-action:active{transform:scale(.92)}.gallery-new-row{grid-column:1 / -1;display:flex;gap:14px}.gallery-new{flex:1 1 0;align-items:center;justify-content:center;gap:8px;min-height:140px;font-size:17px;font-weight:700;color:var(--ink);border:4px dashed var(--line);background:var(--paper);cursor:pointer;transition:transform .18s var(--spring)}.gallery-new:active{transform:scale(.94)}.gallery-new .btn-icon{width:56px;height:56px}.gallery-new .btn-icon svg{width:56px;height:56px}.gallery-empty{grid-column:1 / -1;padding:40px 0;text-align:center;font-size:18px;font-weight:700;opacity:.6}.guide-bubble{position:fixed;z-index:30;display:none;transform:translate(-50%,calc(-100% - 16px));padding:12px 18px;border-radius:18px;background:var(--ink);color:#fff;font-size:20px;font-weight:700;white-space:nowrap;pointer-events:none}.guide-bubble.is-visible{display:block;animation:panel-in .3s var(--spring)}.guide-bubble:after{content:"";position:absolute;left:50%;bottom:-8px;width:16px;height:16px;margin-left:-8px;background:var(--ink);transform:rotate(45deg);border-radius:3px}@media (max-height: 560px),(max-width: 560px){:root{--btn: 68px}.app-header{padding:4px 12px;padding-top:calc(4px + env(safe-area-inset-top))}.app-header .app-tagline{display:none}.tool-button{font-size:13px}.tool-button .icon{font-size:24px}.tool-button .label{font-size:12px}}