:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--red:#e30614;--cream:#fffaf3;--gray:#d7d4d1;--ink:#111315}*{box-sizing:border-box}body{background:var(--cream);color:var(--ink);margin:0;font-family:Arial,Helvetica,sans-serif}button,a,input{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}button{font:inherit;cursor:pointer}button:disabled{opacity:.3;cursor:default}button,a{min-height:44px}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid var(--red);outline-offset:4px}button{color:inherit;background:0 0;border:0}a{color:inherit;text-decoration:none}.catalogue{flex-direction:column;height:100dvh;display:flex;overflow:hidden}.topbar{height:76px;color:var(--cream);border-top:4px solid var(--red);background:#111315;flex-shrink:0;align-items:center;gap:24px;padding:0 28px;display:flex}.topbar a{align-items:center;gap:6px;font-size:14px;display:flex}.brand{object-fit:contain;width:137px;height:40px}.counter{white-space:nowrap;margin:auto;font-size:14px}.download{font-weight:700}.viewport{background:radial-gradient(ellipse at center,#e7e4e0,var(--gray));flex:1;min-height:0;position:relative;overflow:hidden}.zoom-stage{pointer-events:none;transform-origin:50%;justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.book-stage{flex-shrink:0;position:relative}.book-host{width:100%;height:100%}.paper{background:#fff;overflow:hidden}.paper img{object-fit:contain;width:100%;height:100%;display:block}.paper.blank{background:0 0!important}.initial-page{object-fit:contain;width:auto;max-width:calc(100% - 16px);height:auto;max-height:calc(100% - 16px);margin:auto;position:absolute;inset:8px}.gestures{touch-action:none;cursor:grab;-webkit-user-select:none;user-select:none;position:absolute;inset:0}.gestures:active{cursor:grabbing}.help{color:var(--cream);white-space:nowrap;pointer-events:none;background:#111315ed;border-radius:30px;padding:12px 20px;font-size:12px;position:absolute;bottom:18px;left:50%;transform:translate(-50%)}.bottom{padding:12px 22px max(12px,env(safe-area-inset-bottom));background:var(--cream);flex-shrink:0;justify-content:center;align-items:center;gap:28px;display:flex}.mode{font-size:13px;text-decoration:underline}.toolbar{color:var(--cream);background:#111315;border-radius:40px;align-items:center;gap:8px;padding:4px 8px;display:flex;position:relative;box-shadow:0 4px 16px #0002}.toolbar button{border-radius:50%;flex-shrink:0;width:44px;height:44px;font-size:25px}.toolbar button:hover:not(:disabled){background:#ffffff20}.slider{flex:1;min-width:90px;max-width:240px;position:relative}.slider input{width:100%;height:44px;accent-color:var(--red);cursor:pointer}.preview{color:var(--ink);text-align:center;background:#fff;padding:6px;font-size:12px;position:absolute;bottom:64px;left:50%;transform:translate(-50%);box-shadow:0 6px 20px #0003}.preview img{object-fit:contain;display:block}.preview span{padding:6px;display:block}.scroll-pages{background:var(--gray);overscroll-behavior:contain;flex:1;min-height:0;padding:20px;overflow-y:auto}.scroll-pages img{background:#fff;width:100%;max-width:1000px;height:auto;margin:0 auto 20px;display:block}.contents{z-index:20;background:var(--cream);padding:24px max(24px,50vw - 575px);position:fixed;inset:0;overflow:auto}.contents-head{justify-content:space-between;align-items:center;display:flex}.contents-head h1{font-size:26px}.contents-head button{width:48px;font-size:24px}.thumbnail-grid{grid-template-columns:repeat(auto-fill,minmax(155px,1fr));gap:24px;padding:24px 0;display:grid}.thumbnail-grid button{text-align:left;padding:0}.thumbnail-grid img{border:2px solid #0000;width:100%;height:auto;display:block;box-shadow:0 2px 8px #0002}.thumbnail-grid [aria-current] img{border-color:var(--red)}.thumbnail-grid span{padding:12px 0;font-size:14px;display:block}.error-fallback{background:var(--red);color:#fff;border-radius:8px;padding:14px;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}@media (max-width:600px){.topbar{grid-template-columns:1fr 1fr;gap:10px;height:92px;padding:10px 14px;display:grid}.brand{display:none}.counter{grid-area:2/1;margin:0;font-size:12px}.topbar .download{grid-area:1/2/3;justify-self:end;font-size:12px}.back{font-size:13px!important}.bottom{padding:6px 12px max(8px,env(safe-area-inset-bottom));flex-direction:column;gap:0}.mode{height:32px;min-height:32px;font-size:12px}.toolbar{justify-content:center;gap:2px;width:100%;max-width:450px}.slider{max-width:140px}.help{white-space:normal;text-align:center;width:max-content;max-width:95%;padding:10px 14px;font-size:11px}.contents{padding:16px}.thumbnail-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}}@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}.book-stage{will-change:transform;transition:transform .65s}@media (prefers-reduced-motion:reduce){.book-stage{transition:none}}