@font-face{font-family:"Shelf Serif";src:url("./fonts/serif.woff2") format("woff2");font-weight:400 700;font-display:swap}
@font-face{font-family:"Shelf Sans";src:url("./fonts/sans.woff2") format("woff2");font-weight:100 900;font-display:swap}
:root{--ink:#161616;--muted:#737373;--line:#dedede;--paper:#fff;--serif:"Shelf Serif","Noto Serif JP","Yu Mincho",YuMincho,"Hiragino Mincho ProN",serif;--sans:"Shelf Sans","Noto Sans JP","Hiragino Kaku Gothic ProN","Yu Gothic",sans-serif;--latin:Arial,Helvetica,sans-serif}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:28px}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:14px;-webkit-font-smoothing:antialiased;line-height:1.8}
body:has(dialog[open]){overflow:hidden}
button,input,select{font:inherit;color:inherit;border-radius:0}
button,a,input,select{-webkit-tap-highlight-color:transparent}
button{cursor:pointer}
button{background:none;border:0}
a{color:inherit;text-decoration:none}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--ink);outline-offset:5px}
::selection{color:white;background:#161616}
[hidden]{display:none!important}
.page-width{width:calc(100% - 112px);max-width:1392px;margin-inline:auto}
.skip-link{position:absolute;left:20px;top:-80px;padding:12px 20px;background:var(--ink);color:white;z-index:20}
.skip-link:focus{top:10px}
.site-header{height:105px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--ink);gap:24px}
.brand{display:flex;align-items:center;gap:15px;flex-shrink:0}
.brand-symbol{font-family:var(--serif);font-weight:600;font-size:20px;line-height:1;display:flex;align-items:center;width:39px;height:39px;border:1px solid var(--ink);padding:4px;letter-spacing:-2px;position:relative}
.brand-symbol span{align-self:flex-end;font-size:17px;margin-left:-4px;padding-bottom:2px}
.brand-name{font-family:var(--serif);font-size:23px;letter-spacing:2px;line-height:1.3;font-weight:600}
.brand-name>span{display:block;font-family:var(--latin);font-size:8px;letter-spacing:1.65px;margin-top:7px;font-weight:400}
.main-nav{display:flex;gap:35px;align-self:stretch;align-items:center;margin-left:auto;margin-right:43px}
.nav-link{font-size:12px;position:relative;height:100%;display:flex;align-items:center}
.nav-link:hover:after,.nav-link.active:after{content:"";position:absolute;width:100%;bottom:-1px;border-bottom:2px solid var(--ink)}
.shelf-button{display:flex;align-items:center;gap:14px;font-size:12px;padding:11px 0 11px 22px;border-left:1px solid var(--line);white-space:nowrap}
.shelf-button>span:last-child{font-size:18px;margin-left:5px}
.shelf-count{font-family:var(--latin);font-size:12px}
.hero{padding-top:36px}
.hero-topline{display:flex;justify-content:space-between;align-items:center}
.eyebrow,.edition{font-family:var(--latin);font-size:10px;letter-spacing:2px}
.edition{font-family:var(--sans);font-size:10px;letter-spacing:1.5px}
.hero-layout{display:grid;grid-template-columns:1.2fr 1fr;gap:8%;padding-top:55px;padding-bottom:62px}
.hero-kicker{font-size:12px;letter-spacing:2px;margin:0 0 19px 4px}
h1{font-family:var(--serif);font-weight:500;letter-spacing:1px;font-size:clamp(48px,5.1vw,76px);line-height:1.46;margin:0}
.hero-intro{padding-top:34px;max-width:400px;justify-self:end;width:100%}
.intro-rule{display:block;width:35px;height:1px;background:var(--ink);margin-bottom:27px}
.hero-intro p{font-size:15px;letter-spacing:1px;line-height:2.1;margin:0 0 15px}
.hero-intro .intro-secondary{font-size:12px;line-height:2.15;color:#666;letter-spacing:.4px}
.text-link{display:inline-flex;align-items:center;gap:36px;font-size:12px;padding:0 0 6px;border-bottom:1px solid var(--ink)}
.text-link:hover{opacity:.55}
.text-link span{font-size:19px;line-height:1}
.hero-link{margin-top:16px}
.hero-bottom{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--ink);border-bottom:1px solid var(--ink);padding:14px 0}
.collection-label{display:flex;align-items:center;gap:16px;font-family:var(--latin);font-size:9px;letter-spacing:1.8px}
.tiny-cross{font-family:var(--sans);font-size:19px;line-height:1;font-weight:300;letter-spacing:0}
.collection-volume{font-size:9px;letter-spacing:1px;margin-left:16px;padding-left:20px;border-left:1px solid #bcbcbc}
.hero-bottom-note{font-size:10px;letter-spacing:1px}
.library-section{padding-top:65px}
.section-heading{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:30px}
.section-index{font-family:var(--latin);font-size:9px;letter-spacing:1.7px;display:block;font-weight:400}
h2{font-family:var(--serif);font-size:29px;letter-spacing:1.5px;font-weight:500;line-height:1.5;margin:12px 0 0}
.heading-count{font-family:var(--latin);font-size:11px;letter-spacing:0;vertical-align:super;padding-left:17px;font-weight:400}
.section-heading>p{font-size:11px;color:#777;letter-spacing:.4px;margin:0 0 4px}
.library-layout{display:grid;grid-template-columns:minmax(0,1fr) 255px;gap:46px}
.catalogue-toolbar{display:flex;justify-content:space-between;gap:15px;border-top:1px solid var(--ink);border-bottom:1px solid var(--ink);padding:15px 0}
.filters{display:flex;gap:4px}
.filter{font-size:11px;padding:9px 13px;display:flex;align-items:center;gap:10px;white-space:nowrap;transition:background .15s,color .15s}
.filter span{font-family:var(--latin);font-size:9px;opacity:.6}
.filter:hover{background:#f0f0f0}
.filter.active{background:var(--ink);color:white}
.search-box{display:flex;align-items:center;gap:7px;width:151px;border-bottom:1px solid #aaa;align-self:center}
.search-symbol{font-family:var(--latin);font-size:25px;line-height:1}
.search-box input{font-size:11px;border:none;background:transparent;width:100%;padding:7px 0;outline-offset:3px}
.search-box input::placeholder{color:#888}
.results-line{display:flex;align-items:center;justify-content:space-between;padding:17px 0;color:#777;font-size:9px;letter-spacing:.4px}
.sort-label{display:flex;align-items:center;gap:4px}
.sort-label select{font-size:9px;border:0;background:white;cursor:pointer;max-width:100px;padding:2px 1px}
.book-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border-top:1px solid var(--line);border-left:1px solid var(--line)}
.book-card{border-right:1px solid var(--line);border-bottom:1px solid var(--line);padding:28px 29px 0;display:flex;flex-direction:column;min-height:366px;position:relative}
.book-card-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
.book-number{font-family:Georgia,"Times New Roman",serif;font-size:39px;font-weight:400;line-height:1;letter-spacing:-1px}
.book-level{border:1px solid #bfbfbf;padding:2px 10px;font-size:9px;letter-spacing:1px;line-height:1.8}
.book-title{font-family:var(--serif);font-size:23px;letter-spacing:.3px;line-height:1.65;font-weight:600;margin:0 0 8px}
.book-title button{text-align:left;font:inherit;padding:0;line-height:inherit}
.book-title button:hover{text-decoration:underline;text-underline-offset:5px;text-decoration-thickness:1px}
.book-subtitle{font-size:9px;color:#777;letter-spacing:.5px;margin:-3px 0 10px}
.book-author{font-size:10px;color:#6d6d6d;margin:0;line-height:1.9}
.book-publisher{font-size:9px;color:#808080;display:block}
.book-description{font-size:11px;line-height:2.1;letter-spacing:.2px;margin:20px 0 18px;color:#515151}
.book-tags{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:23px;margin-top:auto}
.book-tags span{font-size:8px;letter-spacing:.4px;line-height:1.7;color:#666;border:1px solid #dedede;padding:2px 7px}
.book-actions{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line);padding:13px 0;margin-top:auto}
.book-detail{padding:2px 0;font-size:10px;display:flex;align-items:center;gap:25px}
.book-detail span{font-size:18px;line-height:1}
.book-detail:hover{opacity:.5}
.save-button{font-size:9px;color:#666;display:flex;gap:7px;align-items:center;padding:5px 0 5px 8px}
.save-symbol{display:inline-block;font-family:var(--latin);font-size:16px;line-height:1;color:var(--ink)}
.save-button[aria-pressed="true"]{color:var(--ink)}
.reading-sidebar{border-left:1px solid var(--line);padding-left:28px;padding-top:3px}
.reading-sidebar>.section-index{font-size:8px;letter-spacing:1.6px}
.reading-sidebar h3{font-family:var(--serif);font-size:24px;line-height:1.8;letter-spacing:.7px;font-weight:500;margin:17px 0 15px}
.sidebar-intro{font-size:10px;line-height:2.1;color:#666;margin:0 0 25px}
.level-note{display:flex;gap:13px;padding:20px 0;border-top:1px solid var(--line)}
.level-note-number{font-size:10px;font-family:Georgia,serif;padding-top:2px}
.level-name{font-size:12px;font-weight:500;display:flex;align-items:center;gap:10px}
.level-name>span{font-family:var(--latin);font-size:7px;color:#888;letter-spacing:.5px;font-weight:400}
.level-note p{font-size:9px;line-height:2.1;color:#777;margin:8px 0 0}
.sidebar-guide-link{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--ink);border-bottom:1px solid var(--ink);padding:13px 0;font-size:10px;margin-top:2px}
.sidebar-guide-link>span{font-size:17px}
.sidebar-guide-link:hover{opacity:.5}
.editorial-note{margin-top:36px;padding-top:23px;border-top:1px solid var(--line)}
.editorial-note>.section-index{font-size:8px}
.editorial-note>p{font-family:var(--serif);font-size:16px;line-height:2.1;letter-spacing:.5px;margin:18px 0 14px}
.editorial-signature{font-size:9px;color:#777}
.catalogue-footer{display:flex;justify-content:space-between;font-size:9px;color:#777;padding:19px 0}
.catalogue-footer>span:last-child{font-family:var(--latin);font-size:8px;letter-spacing:1px}
.reading-guide{margin-top:72px;padding-top:39px;border-top:1px solid var(--ink)}
.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.guide-grid>article{padding:28px 30px 29px 0}
.guide-grid>article+article{padding-left:30px;border-left:1px solid var(--line)}
.guide-step{font-family:var(--latin);font-size:9px;letter-spacing:1px;display:flex;gap:15px;align-items:center}
.guide-step>span{font-family:var(--sans);font-size:9px;letter-spacing:.5px;color:#777}
.guide-grid h3{font-family:var(--serif);font-size:22px;font-weight:500;letter-spacing:.5px;margin:17px 0 14px}
.guide-grid p{font-size:11px;color:#666;line-height:2.1;margin:0 0 23px}
.guide-grid .text-link{font-size:10px;gap:30px}
.about-section{display:grid;grid-template-columns:1fr 1fr;gap:50px;border-bottom:1px solid var(--ink);margin-top:67px;padding-bottom:57px}
.about-section h2{font-size:26px}
.about-section>div>p{font-size:12px;line-height:2.2;color:#555;margin:0 0 19px}
.about-section>div>.about-footnote{font-size:9px;color:#888;margin:0;line-height:2}
.site-footer{display:flex;align-items:center;justify-content:space-between;padding-block:29px 33px;gap:20px}
.footer-brand{font-family:var(--serif);font-size:17px;letter-spacing:1px;display:flex;align-items:center;gap:17px}
.footer-brand>span{font-family:var(--latin);font-size:7px;letter-spacing:1.3px}
.footer-message{font-size:10px;color:#888;letter-spacing:1px}
.back-to-top{display:flex;gap:20px;align-items:center;font-size:9px}
.back-to-top>span{font-size:18px}
.empty-state{border-block:1px solid var(--line);text-align:center;padding:60px 20px 70px;min-height:360px}
.empty-mark{font-family:var(--serif);font-size:40px}
.empty-state h3{font-family:var(--serif);font-size:20px;font-weight:400}
.empty-state p{font-size:12px;color:#666}
.outlined-button{display:inline-flex;align-items:center;justify-content:space-between;gap:28px;border:1px solid var(--ink);padding:11px 19px;font-size:11px}
.outlined-button:hover{background:var(--ink);color:white}
.empty-state .outlined-button{margin-top:15px}
dialog{border:1px solid var(--ink);background:white;color:var(--ink);padding:52px 46px 35px;max-width:620px;width:calc(100% - 40px);max-height:calc(100dvh - 60px);margin:auto;overflow:auto}
dialog::backdrop{background:rgba(0,0,0,.45)}
.dialog-close{position:absolute;right:22px;top:15px;display:flex;align-items:center;gap:12px;font-size:10px}
.dialog-close>span{font-size:23px;line-height:1}
.dialog-book-top{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--ink);padding-bottom:21px}
.dialog-book-title{font-family:var(--serif);font-size:31px;font-weight:500;line-height:1.6;margin:27px 0 15px}
.dialog-author{font-size:12px;color:#666;margin:0 0 25px}
.dialog-description{font-size:13px;line-height:2.2;margin:0 0 25px}
.dialog-reading-note{border-block:1px solid var(--line);padding:22px 0;margin:23px 0}
.dialog-reading-note h3{font-size:11px;margin:0 0 8px;letter-spacing:1px}
.dialog-reading-note p{font-size:12px;line-height:2.1;color:#666;margin:0}
.dialog-actions{display:flex;flex-wrap:wrap;align-items:center;gap:17px;justify-content:space-between}
.dialog-source{font-size:9px;color:#888;margin:20px 0 0}
.shelf-dialog h2{margin-top:22px}
.shelf-intro{font-size:12px;color:#777;margin-bottom:28px}
.saved-book{padding:19px 0;display:flex;align-items:center;justify-content:space-between;gap:15px;border-top:1px solid var(--line)}
.saved-book-title{font-family:var(--serif);font-size:18px;text-align:left;padding:0}
.saved-book-title:hover{text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:5px}
.saved-book-meta{font-size:10px;color:#777;margin:5px 0 0}
.saved-remove{font-size:10px;border-bottom:1px solid #777;white-space:nowrap;padding:0 0 3px;color:#777}
.shelf-empty{border-block:1px solid var(--line);padding:35px 0;text-align:center;font-size:13px;line-height:2.2}
.shelf-empty p{margin:0 0 22px;color:#777}
.shelf-storage-note{font-size:9px;color:#777;margin-top:25px}
.toast{position:fixed;bottom:25px;left:50%;transform:translate(-50%,15px);background:var(--ink);color:white;max-width:calc(100% - 40px);padding:13px 26px;font-size:12px;pointer-events:none;opacity:0;transition:opacity .2s,transform .2s;z-index:30;text-align:center}
.toast.visible{opacity:1;transform:translate(-50%,0)}
.noscript-note{padding:30px;text-align:center}
@media(min-width:1500px){.hero-layout{padding-top:68px;padding-bottom:75px}.hero-intro{max-width:460px}.library-layout{grid-template-columns:minmax(0,1fr) 280px;gap:55px}.book-card{min-height:370px;padding-inline:36px}.book-title{font-size:26px}}
@media(max-width:1150px){.page-width{width:calc(100% - 72px)}.main-nav{gap:23px;margin-right:12px}.nav-link{font-size:11px}.brand-name{font-size:21px}.library-layout{grid-template-columns:minmax(0,1fr) 218px;gap:28px}.reading-sidebar{padding-left:22px}.filter{padding:8px 9px;gap:7px}.search-box{width:120px}.book-card{padding:23px 22px 0;min-height:375px}.book-title{font-size:21px}.reading-sidebar h3{font-size:22px}.level-name>span{font-size:6px}.hero-intro p{font-size:14px}.hero-intro .intro-secondary{font-size:11px}.hero-layout{gap:5%;padding-block:45px 50px}.hero-intro{padding-top:22px}.section-heading>p{font-size:10px}.footer-message{display:none}}
@media(max-width:900px){.main-nav{gap:20px;margin-right:0}.main-nav .nav-link:last-child{display:none}.shelf-button{padding-left:16px;gap:10px}.hero-layout{grid-template-columns:1.15fr 1fr;gap:25px}h1{font-size:48px}.hero-intro{padding-top:30px}.hero-intro p{font-size:12px;letter-spacing:.4px}.hero-intro .intro-secondary{font-size:10px}.hero-kicker{font-size:10px;letter-spacing:1px}.intro-rule{margin-bottom:20px}.hero-link{font-size:10px;margin-top:10px}.library-layout{grid-template-columns:minmax(0,1fr);gap:38px}.reading-sidebar{display:grid;grid-template-columns:repeat(3,1fr);border-left:0;border-top:1px solid var(--ink);padding:25px 0 0;gap:0 24px}.reading-sidebar>.section-index{grid-column:1/-1}.reading-sidebar h3{grid-column:1/2;font-size:23px}.sidebar-intro{grid-column:2/4;align-self:center;margin:0;font-size:12px}.level-note{padding-block:20px;gap:12px}.level-note p{font-size:10px}.level-name>span{font-size:7px}.sidebar-guide-link{grid-column:1/-1}.editorial-note{display:none}.book-card{min-height:345px;padding-inline:28px}.book-title{font-size:24px}.search-box{width:175px}.filter{padding:9px 16px}.guide-grid>article{padding-right:22px}.guide-grid>article+article{padding-left:22px}.guide-grid h3{font-size:19px}.about-section{gap:25px}.about-section h2{font-size:23px}.about-section>div>p{font-size:11px}.about-section>div>.about-footnote{font-size:8px}.section-heading>p{display:none}}
@media(max-width:600px){.page-width{width:calc(100% - 40px)}.site-header{height:85px;gap:12px}.brand{gap:10px}.brand-symbol{width:32px;height:33px;font-size:17px}.brand-symbol span{font-size:15px}.brand-name{font-size:19px;letter-spacing:1.5px}.brand-name>span{font-size:6px;letter-spacing:1.15px;margin-top:5px}.main-nav{display:none}.shelf-button{padding-left:12px;font-size:10px;gap:8px}.shelf-button>span:last-child{display:none}.shelf-count{font-size:10px}.hero{padding-top:25px}.eyebrow{font-size:7px;letter-spacing:1.4px}.edition{font-size:8px;letter-spacing:.5px}.hero-layout{grid-template-columns:1fr;gap:22px;padding:40px 0 34px}.hero-kicker{font-size:10px;margin-bottom:18px;margin-left:1px;letter-spacing:1.5px}h1{font-size:clamp(39px,10.4vw,59px);line-height:1.5;letter-spacing:1px}.hero-intro{justify-self:start;max-width:none;padding-top:0;margin-top:8px}.intro-rule{display:none}.hero-intro p{font-size:12px;line-height:2.1;letter-spacing:.7px;margin-bottom:11px}.hero-intro .intro-secondary{font-size:10px;line-height:2}.hero-link{margin-top:13px;font-size:11px}.hero-bottom{padding-block:13px;gap:10px}.collection-label{font-size:7px;letter-spacing:1px;gap:9px}.tiny-cross{font-size:16px}.collection-volume{font-size:7px;margin-left:1px;padding-left:10px;letter-spacing:.5px}.hero-bottom-note{font-size:8px;letter-spacing:0}.library-section{padding-top:40px}.section-index{font-size:8px;letter-spacing:1.4px}h2{font-size:25px;letter-spacing:1px;margin-top:11px}.heading-count{font-size:10px;padding-left:12px}.section-heading{margin-bottom:24px}.catalogue-toolbar{flex-wrap:wrap;padding-block:12px;gap:13px}.filters{width:100%;gap:4px}.filter{flex:1;justify-content:center;padding:9px 8px;gap:11px;font-size:11px}.search-box{width:100%;border-bottom:0;border-top:1px solid var(--line);padding-top:8px;gap:10px}.search-box input{font-size:12px}.results-line{padding:15px 0}.book-grid{grid-template-columns:1fr}.book-card{padding:25px 25px 0;min-height:338px}.book-card-top{margin-bottom:20px}.book-number{font-size:37px}.book-title{font-size:25px}.book-author{font-size:11px}.book-publisher{font-size:10px}.book-description{font-size:12px;line-height:2;margin:17px 0}.book-tags span{font-size:9px}.book-tags{margin-bottom:23px}.book-detail{font-size:11px}.save-button{font-size:10px}.book-actions{padding-block:14px}.catalogue-footer{font-size:8px}.catalogue-footer>span:last-child{font-size:6px;letter-spacing:.6px}.reading-sidebar{grid-template-columns:1fr;padding-top:22px;gap:0}.reading-sidebar h3{grid-column:auto;margin-top:18px;margin-bottom:12px;font-size:25px}.sidebar-intro{grid-column:auto;font-size:11px;margin-bottom:24px}.level-note{padding-block:18px;gap:20px}.level-note-number{font-size:12px}.level-name{font-size:14px}.level-name>span{font-size:8px;letter-spacing:1px}.level-note p{font-size:11px}.reading-guide{margin-top:46px;padding-top:28px}.guide-grid{grid-template-columns:1fr}.guide-grid>article{padding:26px 0}.guide-grid>article+article{padding:26px 0;border-left:0;border-top:1px solid var(--line)}.guide-grid h3{font-size:24px}.guide-grid p{font-size:12px;margin-bottom:21px}.guide-grid .text-link{font-size:11px}.guide-step,.guide-step>span{font-size:10px}.about-section{grid-template-columns:1fr;margin-top:43px;padding-bottom:35px;gap:25px}.about-section h2{font-size:25px}.about-section>div>p{font-size:12px}.about-section>div>.about-footnote{font-size:9px}.desktop-break{display:none}.site-footer{padding-block:24px;gap:15px}.footer-brand{font-size:16px;display:block}.footer-brand>span{display:block;font-size:6px;letter-spacing:1px;margin-top:3px}.back-to-top{font-size:9px;gap:12px}dialog{padding:50px 25px 28px;width:calc(100% - 30px);max-height:calc(100dvh - 30px)}.dialog-book-title{font-size:26px}.dialog-description{font-size:12px}.dialog-actions{gap:20px}.shelf-dialog h2{font-size:24px}.saved-book-title{font-size:17px}.toast{font-size:10px;white-space:nowrap;padding:12px 18px}.empty-state h3{font-size:17px}.empty-state p{font-size:11px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important}}
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