:root{color-scheme:light;--toolbar-height:64px;--toolbar-bg:rgba(255,255,255,.96);--ink:#101820;--line:rgba(16,24,32,.18);--panel-bg:rgba(255,255,255,.98);--edge-bg:rgba(24,24,28,.62)}
*{box-sizing:border-box}
html,body{width:100%;height:100%;margin:0;overflow:hidden}
body{font-family:Arial,Helvetica,sans-serif;color:var(--ink);background:#e2e2e2}
button,input{font:inherit}
button,a{-webkit-tap-highlight-color:transparent}
.sr-only{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}
.catalog-app{position:relative;width:100%;height:100%;overflow:hidden;background-color:#151a20;background-position:center;background-repeat:no-repeat;background-size:100% 100%}
.catalog-app::before{content:"";position:absolute;inset:0;background:rgba(255,255,255,.05);pointer-events:none}
.catalog-toolbar{position:absolute;z-index:50;top:0;left:50%;display:grid;grid-template-columns:minmax(170px,230px) 1fr minmax(150px,200px);align-items:center;width:min(87%,1670px);height:46px;padding:0 8px;background:var(--toolbar-bg);border:0;border-radius:0 0 5px 5px;box-shadow:0 1px 4px rgba(0,0,0,.16);transform:translateX(-50%)}
.catalog-logo{display:block;max-width:220px;max-height:42px;object-fit:contain;object-position:left center}
.catalog-actions{display:flex;align-items:center;justify-content:center;min-width:0;height:100%;gap:1px}
.tool-button{position:relative;display:inline-flex;align-items:center;justify-content:center;flex:0 0 34px;width:34px;height:38px;padding:0;border:0;background:transparent;color:#050505;text-decoration:none;cursor:pointer}
.tool-button i{font-size:20px;line-height:1}
.tool-button:hover,.tool-button:focus-visible{background:rgba(0,0,0,.08);outline:0}
.tool-button[disabled],.tool-button.is-disabled{opacity:.25;cursor:default;pointer-events:none}
.tool-separator{flex:0 0 1px;width:1px;height:24px;margin:0 4px;background:var(--line)}
.page-control{display:block;flex:0 0 74px;width:74px;margin:0 4px}
.page-control input{width:100%;height:32px;padding:0 4px;border:0;border-radius:3px;background:#fff;color:#111;text-align:center;outline:0}
.page-control input:focus{box-shadow:0 0 0 2px rgba(27,140,209,.35)}
.catalog-search{display:flex;align-items:center;justify-self:end;width:100%;max-width:205px;height:32px;padding:0 9px;gap:7px;border:1px solid rgba(0,0,0,.17);border-radius:4px;background:#fff}
.catalog-search i{font-size:14px;color:#555}
.catalog-search input{min-width:0;width:100%;border:0;outline:0;background:transparent;color:#222}
.catalog-stage{position:absolute;z-index:1;inset:0;display:flex;align-items:center;justify-content:center;padding:56px 48px 10px;overflow:hidden}
.catalog-book-viewport{display:flex;align-items:center;justify-content:center;width:100%;height:100%;overflow:hidden;overscroll-behavior:contain;scrollbar-width:thin}
.catalog-app.is-zoomed .catalog-book-viewport{overflow:auto}
.catalog-book-shell{position:relative;width:min(92vw,calc((100vh - 66px) * 1.414));max-width:1190px;aspect-ratio:1190/842;transform:translateX(0) scale(var(--catalog-zoom,1));transform-origin:center center;transition:transform .18s ease;will-change:transform}
.catalog-app.is-flipping .catalog-book-shell{transition:none}
.catalog-app.is-landscape .catalog-book-shell{width:min(90vw,calc((100vh - 86px) * 2.8303));max-width:1684px;aspect-ratio:1684/595}
.catalog-book-shell.is-front,.catalog-book-shell.is-single-right{transform:translateX(-25%) scale(var(--catalog-zoom,1))}
.catalog-book-shell.is-back,.catalog-book-shell.is-single-left{transform:translateX(25%) scale(var(--catalog-zoom,1))}
.catalog-book-shell::after{content:"";position:absolute;z-index:12;top:0;bottom:0;left:50%;width:clamp(18px,2.2vw,36px);background:linear-gradient(90deg,rgba(255,255,255,0) 0,rgba(36,40,44,.07) 24%,rgba(20,24,28,.2) 46%,rgba(255,255,255,.16) 50%,rgba(20,24,28,.2) 54%,rgba(36,40,44,.07) 76%,rgba(255,255,255,0) 100%);opacity:1;pointer-events:none;transform:translateX(-50%);transition:opacity .18s ease}
.catalog-book-shell.is-front::after,.catalog-book-shell.is-back::after,.catalog-book-shell.is-single-left::after,.catalog-book-shell.is-single-right::after{opacity:0}
.catalog-app.is-flipping .catalog-book-shell::after{opacity:0}
.catalog-book{width:100%;height:100%}
.catalog-book .stf__parent{width:100%;height:100%;margin:0!important}
.catalog-book canvas{display:block;background:transparent}
.catalog-link-overlay{position:absolute;z-index:20;top:0;display:none;width:50%;height:100%;pointer-events:none}
.catalog-link-overlay.is-visible{display:block}
.catalog-link-overlay.is-left{left:0}
.catalog-link-overlay.is-right{right:0}
.catalog-link-overlay.is-portrait{left:0;width:100%}
.catalog-app.is-flipping .catalog-link-overlay{visibility:hidden}
.catalog-app.is-flipping .edge-button,.catalog-app.is-flipping .tool-button[data-action="previous"],.catalog-app.is-flipping .tool-button[data-action="next"],.catalog-app.is-flipping .tool-button[data-action="first"],.catalog-app.is-flipping .tool-button[data-action="last"],.catalog-app.is-flipping .tool-button[data-action="back"],.catalog-app.is-flipping .tool-button[data-action="forward"]{pointer-events:none}
.catalog-page{position:relative;width:100%;height:100%;overflow:hidden;background:#fff;border:1px solid rgba(0,0,0,.16)}
.catalog-page-spacer{border:0;background:transparent;box-shadow:none;pointer-events:none}
.catalog-page img{display:block;width:100%;height:100%;object-fit:contain;background:#fff}
.stf__item.catalog-page,.stf__item.catalog-page img{opacity:1!important;background-color:#fff}
.stf__item.catalog-page-spacer{border:0!important;background:transparent!important;box-shadow:none!important}
.stf__item.catalog-page-spacer::before{display:none!important}
.catalog-page-spacer.--left::before,.catalog-page-spacer.--right::before{display:none!important}
.catalog-page.--left{border-right:0}
.catalog-page.--right{border-left:0}
.catalog-page.--left::before,.catalog-page.--right::before{content:"";position:absolute;z-index:3;top:0;bottom:0;width:clamp(12px,5%,42px);pointer-events:none}
.catalog-page.--left::before{right:0;background:linear-gradient(to left,rgba(25,29,33,.24) 0,rgba(47,52,57,.12) 22%,rgba(82,86,90,.055) 48%,rgba(255,255,255,0) 100%)}
.catalog-page.--right::before{left:0;background:linear-gradient(to right,rgba(25,29,33,.24) 0,rgba(47,52,57,.12) 22%,rgba(82,86,90,.055) 48%,rgba(255,255,255,0) 100%)}
.catalog-page-links{position:absolute;z-index:4;inset:0;pointer-events:none}
.catalog-page-link{position:absolute;display:block;pointer-events:auto;cursor:pointer;background:transparent;outline:0}
.catalog-page-link:hover,.catalog-page-link:focus-visible{background:rgba(0,146,210,.08);box-shadow:inset 0 0 0 1px rgba(0,121,177,.45)}
.catalog-page.image-error::after{content:"";position:absolute;inset:0;background:#fff}
.stf__parent{margin:0 auto}
.stf__wrapper{filter:drop-shadow(0 10px 13px rgba(0,0,0,.27))}
.edge-button{position:absolute;z-index:45;top:50%;display:flex;align-items:center;justify-content:center;width:62px;height:120px;padding:0;border:0;background:var(--edge-bg);color:#fff;transform:translateY(-50%);cursor:pointer;transition:opacity .2s ease,background .2s ease}
.edge-button i{font-size:54px;font-weight:400}
.edge-button:hover,.edge-button:focus-visible{background:rgba(18,18,22,.78);outline:0}
.edge-button[disabled]{opacity:.16;cursor:default;pointer-events:none}
.edge-previous{left:0;border-radius:0 5px 5px 0}
.edge-next{right:0;border-radius:5px 0 0 5px}
.catalog-loader{position:absolute;z-index:60;left:50%;top:50%;display:flex;align-items:center;gap:10px;padding:12px 16px;border-radius:4px;background:rgba(20,20,22,.82);color:#fff;transform:translate(-50%,-50%);transition:opacity .2s ease}
.catalog-loader span{width:18px;height:18px;border:2px solid rgba(255,255,255,.35);border-top-color:#fff;border-radius:50%;animation:catalog-spin .8s linear infinite}
.catalog-loader.is-hidden{visibility:hidden;opacity:0}
@keyframes catalog-spin{to{transform:rotate(360deg)}}
.catalog-panel{position:absolute;z-index:70;left:0;top:0;width:min(420px,88vw);height:100%;background:var(--panel-bg);box-shadow:8px 0 24px rgba(0,0,0,.24);transform:translateX(-102%);transition:transform .25s ease}
.catalog-panel.is-open{transform:translateX(0)}
.panel-head{display:flex;align-items:center;justify-content:space-between;height:62px;padding:0 16px;border-bottom:1px solid var(--line)}
.panel-head h2{margin:0;font-size:18px;letter-spacing:0}
.panel-close{display:flex;align-items:center;justify-content:center;width:38px;height:38px;border:0;background:transparent;color:#111;cursor:pointer}
.panel-close i{font-size:22px}
.panel-content{height:calc(100% - 62px);padding:14px;overflow:auto}
.thumbnail-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.thumbnail-button{display:block;width:100%;padding:0;border:2px solid transparent;background:transparent;color:#1b2b3c;text-align:center;cursor:pointer}
.thumbnail-button img{display:block;width:100%;aspect-ratio:595/842;object-fit:contain;background:#fff;box-shadow:0 2px 7px rgba(0,0,0,.2)}
.thumbnail-button span{display:block;padding:7px 2px 2px;font-size:13px}
.thumbnail-button.is-current{border-color:#16a9d8}
.contents-list{display:grid;gap:2px;margin:0;padding:0;list-style:none}
.contents-button{display:flex;width:100%;align-items:center;gap:9px;padding:11px 10px;border:0;border-bottom:1px solid rgba(0,0,0,.08);background:transparent;color:#17283b;text-align:left;cursor:pointer}
.contents-button:hover,.contents-button.is-current{background:#e9f5fb}
.catalog-toast{position:absolute;z-index:90;left:50%;bottom:24px;max-width:min(90vw,520px);padding:10px 14px;border-radius:4px;background:rgba(16,24,32,.9);color:#fff;opacity:0;pointer-events:none;transform:translate(-50%,14px);transition:opacity .2s ease,transform .2s ease}
.catalog-toast.is-visible{opacity:1;transform:translate(-50%,0)}
.tool-more{display:none}
.catalog-more-menu{position:absolute;z-index:80;top:48px;right:6.5%;display:none;min-width:210px;padding:6px;background:#fff;border:1px solid rgba(0,0,0,.15);box-shadow:0 8px 22px rgba(0,0,0,.2)}
.catalog-more-menu.is-open{display:grid}
.catalog-more-menu button,.catalog-more-menu a{display:flex;align-items:center;gap:10px;width:100%;height:40px;padding:0 11px;border:0;background:#fff;color:#111;text-decoration:none;cursor:pointer;text-align:left}
.catalog-more-menu button:hover,.catalog-more-menu a:hover{background:#eef3f7}
.catalog-more-menu i{width:22px;font-size:18px;text-align:center}
.catalog-noscript{position:absolute;z-index:100;inset:40% auto auto 50%;padding:16px;background:#fff;transform:translateX(-50%)}
@media (max-width:1400px){.catalog-toolbar{grid-template-columns:minmax(160px,230px) 1fr minmax(120px,180px)}.catalog-actions>.tool-button[data-action="sound"],.catalog-actions>.tool-button[data-action="share"],.catalog-actions>.tool-button[data-action="fullscreen"],.catalog-actions>.tool-button[data-action="download"],.catalog-actions>.tool-button[data-action="email"]{display:none}.tool-more{display:inline-flex}}
@media (max-width:1120px){.catalog-toolbar{grid-template-columns:150px 1fr}.catalog-search{display:none}.tool-button{flex-basis:32px;width:32px}.tool-separator{margin:0 2px}.catalog-more-menu{right:6%}}
@media (max-width:820px){:root{--toolbar-height:52px}.catalog-toolbar{top:0;width:100%;height:52px;border-width:0 0 1px;border-radius:0;grid-template-columns:92px 1fr;padding:0 4px}.catalog-logo{max-width:88px;max-height:40px}.catalog-actions{justify-content:flex-end;overflow-x:auto;overflow-y:hidden}.catalog-actions .tool-button[data-action="zoom"],.catalog-actions .tool-button[data-action="contents"],.catalog-actions .tool-button[data-action="back"],.catalog-actions .tool-button[data-action="forward"],.catalog-actions .tool-button[data-action="share"],.catalog-actions .tool-button[data-action="email"],.catalog-actions .tool-separator,.catalog-actions .tool-more{display:none}.tool-button{flex-basis:34px;width:34px}.page-control{flex-basis:64px;width:64px;margin:0 2px}.catalog-stage{padding:58px 7px 8px}.catalog-book-shell,.catalog-book-shell.is-front,.catalog-book-shell.is-back,.catalog-book-shell.is-single-right,.catalog-book-shell.is-single-left{width:min(94vw,calc((100vh - 72px) * .707));max-width:595px;aspect-ratio:595/842;transform:scale(var(--catalog-zoom,1))}.catalog-app.is-landscape .catalog-book-shell,.catalog-app.is-landscape .catalog-book-shell.is-front,.catalog-app.is-landscape .catalog-book-shell.is-back,.catalog-app.is-landscape .catalog-book-shell.is-single-right,.catalog-app.is-landscape .catalog-book-shell.is-single-left{width:min(94vw,calc((100vh - 72px) * 1.4151));max-width:842px;aspect-ratio:842/595;transform:scale(var(--catalog-zoom,1))}.edge-button{width:46px;height:88px;background:rgba(24,24,28,.55)}.edge-button i{font-size:42px}.thumbnail-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.catalog-more-menu{display:none!important}}
@media (max-width:520px){.catalog-actions .tool-button[data-action="autoplay"],.catalog-actions .tool-button[data-action="sound"],.catalog-actions .tool-button[data-action="first"],.catalog-actions .tool-button[data-action="last"]{display:none}.thumbnail-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.edge-button{width:38px;height:74px}.edge-button i{font-size:34px}}
@media (prefers-reduced-motion:reduce){.catalog-book-shell,.catalog-panel,.catalog-toast{transition-duration:.01ms}.catalog-loader span{animation:none}}