:root{--paper:#fcf9f3;--ink:#233d30;--muted:#52624f;--green:#284c3d;--soft:#e5eadd;--line:#d5ddce;--white:#fffefb;--radius:10px;font-family:"Yu Gothic UI","Hiragino Kaku Gothic ProN",Meiryo,Arial,sans-serif;color-scheme:light}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:95px}
body{margin:0;background:var(--paper);color:var(--ink);font-size:16px;line-height:1.85}
body,input,button,select{font-family:"Yu Gothic UI","Hiragino Kaku Gothic ProN",Meiryo,Arial,sans-serif}
button,input,select{font-size:inherit}
a{color:inherit;text-decoration:none}
button,a,input,select,summary{-webkit-tap-highlight-color:transparent}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #507b58;outline-offset:5px}
[hidden]{display:none!important}
button,summary{cursor:pointer}
img{display:block;max-width:100%;height:auto}
button{color:var(--ink)}
h1,h2,h3,h4,p,figure{margin:0}
h1,h2,h3,h4{font-weight:650;line-height:1.5}
.shell{width:min(1200px,calc(100% - 80px));margin-inline:auto}
.skip-link{position:fixed;left:20px;top:-100px;background:var(--green);color:white;padding:12px 20px;z-index:100}
.skip-link:focus{top:12px}
.site-header{position:sticky;top:0;z-index:20;background:var(--paper);border-bottom:1px solid var(--line)}
.header-inner{width:min(1200px,calc(100% - 80px));margin:auto;display:flex;align-items:center;justify-content:space-between;min-height:76px;gap:24px}
.wordmark{font-family:Arial,sans-serif;font-size:34px;font-weight:750;line-height:1;letter-spacing:-1px;display:inline-flex;align-items:baseline;min-height:44px;padding-block:6px}
.wordmark span{color:#66836a}
.site-header nav{display:flex;gap:34px;align-items:center;font-size:14px;font-weight:600}
.site-header nav a{min-height:44px;display:flex;align-items:center;position:relative}
.site-header nav a::after{content:"";position:absolute;inset:auto 0 4px;height:1px;background:currentColor;transform:scaleX(0);transform-origin:left;transition:transform .15s}
.site-header nav a:hover::after{transform:scaleX(1)}
.hero{display:grid;grid-template-columns:.88fr 1.12fr;gap:60px;align-items:center;padding-block:54px 68px}
.hero h1{font-size:clamp(30px,3.35vw,48px);font-weight:650;line-height:1.55;letter-spacing:.025em}
.hero h1 span{display:block;overflow-wrap:anywhere}
html[lang="ja"] .hero h1 span{white-space:nowrap}
.hero-copy>p{margin-top:22px;font-size:15px;color:var(--muted);line-height:2}
.hero-actions{display:flex;align-items:center;gap:24px;flex-wrap:wrap;margin-top:28px;font-size:14px}
.primary-link,.light-link{display:inline-flex;align-items:center;justify-content:space-between;gap:30px;min-height:48px;padding:10px 22px;border:1px solid var(--green);background:var(--green);color:#fff;border-radius:5px;font-weight:600;transition:background .15s,transform .15s}
.primary-link:hover{background:#365e4b}
.plain-link{display:inline-flex;gap:16px;align-items:center;min-height:44px;text-decoration:underline;text-decoration-color:var(--line);text-underline-offset:6px}
.hero-figure .product-image{aspect-ratio:4/3;overflow:hidden;background:#e9e9df}
.hero-figure .product-image img{width:100%;height:100%;object-fit:contain}
.hero-figure figcaption{font-size:13px;display:flex;justify-content:space-between;gap:12px;margin-top:12px;color:var(--muted)}
.catalog{padding-top:34px;border-top:1px solid var(--line)}
.section-intro h2,.accounts-section h2{font-size:28px;line-height:1.5}
.section-intro>p,.accounts-section>p{font-size:15px;color:var(--muted);margin-top:7px}
.filter-tools{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-top:30px}
.filters{display:flex;gap:8px;flex-wrap:wrap}
.filters button{border:1px solid var(--line);background:transparent;border-radius:5px;padding:8px 16px;min-height:44px;font-size:14px;font-weight:600;transition:background .15s,color .15s}
.filters button:hover{background:var(--soft)}
.filters button[aria-pressed="true"]{background:var(--green);border-color:var(--green);color:#fff}
.search-label{display:grid;gap:3px;min-width:230px;font-size:12px;color:var(--muted)}
.search-label input{min-height:44px;background:var(--white);border:1px solid var(--line);border-radius:5px;max-width:100%;width:100%;padding:8px 12px;color:var(--ink);font-size:14px}
.search-label input::placeholder{color:#687362;opacity:1}
.result-count{font-size:13px;color:var(--muted);margin-top:16px}
.collection{margin-top:30px}
.collection-heading{display:flex;align-items:baseline;gap:20px;padding-bottom:20px}
.collection-heading>h3{font-size:21px;line-height:1.5}
.collection-heading>span{font-size:13px;color:var(--muted)}
.model-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:36px}
.book-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:28px}
.product{min-width:0;display:flex;flex-direction:column;align-items:stretch}
.product-image{position:relative;overflow:hidden;border-radius:var(--radius)}
.model-image{aspect-ratio:5/4;background:#e9e9df}
.model-image img{width:100%;height:100%;object-fit:contain}
.book-image{aspect-ratio:5/6;background:#eeeede;display:flex;align-items:center;justify-content:center;padding:16px}
.book-image img{height:100%;width:100%;object-fit:contain;filter:drop-shadow(0 5px 5px #233d3018)}
.cover-wrap{padding:0;width:100%;aspect-ratio:8.5/11;background:transparent}
.cover-wrap img{position:absolute;right:0;top:0;height:100%;width:auto;max-width:none;object-fit:contain;filter:none}
.product-content{display:flex;flex-direction:column;flex:1;padding-top:16px}
.product-kind{display:flex;justify-content:space-between;align-items:center;gap:8px;font-size:12px;color:var(--muted);margin-bottom:7px}
.product h3{font-size:20px;line-height:1.45;overflow-wrap:anywhere}
.book-grid .product h4{font-size:18px;min-height:2.9em}
.product-lede{font-size:14px;color:var(--muted);line-height:1.85;margin-top:12px}
.facts{display:flex;flex-wrap:wrap;gap:4px 14px;margin:14px 0 0;padding:0;list-style:none;font-size:12px;color:var(--muted)}
.facts li{position:relative}
.facts li+li::before{content:"/";position:absolute;left:-9px;color:#96a18f}
.product-details{margin-top:10px;font-size:13px}
.product-details summary{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:44px;list-style:none;text-decoration:underline;text-underline-offset:4px;text-decoration-color:var(--line)}
.product-details summary::-webkit-details-marker{display:none}
.product-details summary::after{content:"＋";font-size:17px;text-decoration:none;font-weight:400}
.product-details[open] summary::after{content:"−"}
.product-details ul{padding-left:18px;color:var(--muted);margin:8px 0 14px}
.product-details li+li{margin-top:6px}
.price{font-family:Arial,"Yu Gothic UI",sans-serif;font-weight:650;font-size:19px;line-height:1.3;margin-top:auto;padding-top:12px}
.product-actions{margin-top:14px;display:grid;gap:4px}
.store-link{display:flex;justify-content:space-between;align-items:center;gap:14px;min-height:46px;border-radius:5px;background:var(--green);color:white;font-size:14px;font-weight:600;padding:10px 16px;transition:background .15s}
.store-link:hover{background:#365e4b}
.sample-link{display:flex;align-items:center;justify-content:space-between;min-height:44px;padding:8px 0;font-size:13px;text-decoration:underline;text-decoration-color:var(--line);text-underline-offset:4px}
.purchase-note,.price-note{font-size:12px;color:var(--muted);line-height:1.8;margin-top:20px}
.book-grid+.purchase-note{margin-top:24px}
.collection+.collection{margin-top:60px}
.saved-collection{margin-top:48px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.saved-collection>summary{display:flex;align-items:center;gap:20px;list-style:none;min-height:76px;padding:16px 0;font-size:18px;font-weight:600}
.saved-collection>summary::-webkit-details-marker{display:none}
.saved-collection>summary::after{content:"＋";margin-left:auto;font-size:22px;font-weight:400}
.saved-collection[open]>summary::after{content:"−"}
.saved-count{font-size:12px;color:var(--muted);font-weight:400}
.saved-intro{color:var(--muted);font-size:14px;margin:2px 0 28px}
.saved-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:36px;margin-bottom:32px}
.saved-grid .product{display:grid;grid-template-columns:95px minmax(0,1fr);align-items:start;gap:18px}
.saved-grid .product-image{aspect-ratio:8.5/11;padding:0;border-radius:3px;max-width:95px}
.saved-grid .product-content{padding:0}
.saved-grid .product-kind{display:block;font-size:11px}
.work-state{display:block;color:var(--green);font-size:11px;font-weight:600;margin-top:3px}
.saved-grid .product h4{font-size:16px;line-height:1.5}
.saved-grid .product-lede{font-size:13px;margin-top:8px}
.saved-grid .facts{font-size:11px;margin-top:10px}
.sample-section{padding-top:80px}
.sample-panel{background:var(--green);color:var(--paper);border-radius:var(--radius);padding:48px 54px;display:grid;grid-template-columns:1.25fr .75fr;gap:50px;align-items:center;overflow:hidden}
.sample-label{font-family:Arial,sans-serif;font-size:12px;line-height:1.6;color:#dae3d5;margin-bottom:12px}
.sample-panel h2{font-size:28px;line-height:1.6}
.sample-panel p:not(.sample-label){margin-top:14px;font-size:14px;line-height:1.9;color:#e4eadd}
.light-link{background:var(--paper);color:var(--green);border-color:var(--paper);margin-top:24px;font-size:14px}
.light-link:hover{background:#edf1e5}
.sample-covers{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:center}
.sample-covers img{width:100%;box-shadow:0 10px 20px #13261e40}
.sample-covers img:nth-child(1){transform:rotate(-6deg) translateY(-8px)}
.sample-covers img:nth-child(2){transform:rotate(6deg) translateY(10px)}
.accounts-section{padding-block:74px}
.account-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 44px;margin-top:28px;border-top:1px solid var(--line)}
.account-link{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:108px;border-bottom:1px solid var(--line);padding:18px 4px}
.account-link strong{font-size:23px;font-weight:600;line-height:1.4}
.account-link small{display:block;color:var(--muted);font-size:13px;font-weight:400;margin-top:4px;line-height:1.7}
.account-link>span:last-child{font-size:25px;transition:transform .15s}
.account-link:hover>span:last-child{transform:translate(2px,-2px)}
.site-footer{display:flex;align-items:center;gap:24px;padding-block:28px 32px;border-top:1px solid var(--line)}
.site-footer .wordmark{font-size:28px}
.site-footer>p{font-size:12px;color:var(--muted)}
.site-footer>span{font-size:11px;color:var(--muted);margin-left:auto}
.empty-state{padding:36px 0 24px}
.empty-state p+p{font-size:14px;color:var(--muted);margin-top:8px}
.empty-state button{margin-top:20px;font-size:14px}
.language-picker{display:flex;align-items:center;gap:8px;min-width:0;font-size:12px;color:var(--muted)}
.language-picker select{min-height:44px;width:142px;max-width:100%;padding:6px 10px;border:1px solid var(--line);border-radius:5px;background:var(--white);color:var(--ink);font-size:14px;cursor:pointer}
.site-header nav{margin-left:auto;flex-wrap:wrap}
.language-note{font-size:12px;color:var(--muted);line-height:1.7;margin-top:16px}
.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}
html[lang="ko"] body{word-break:keep-all;overflow-wrap:break-word}
@media(max-width:767px){html{scroll-padding-top:130px}.header-inner{display:grid;grid-template-columns:1fr auto;gap:0 12px;padding-top:8px}.header-inner>.wordmark{grid-column:1;grid-row:1}.language-picker{grid-column:2;grid-row:1}.language-picker select{width:132px}.site-header nav{grid-column:1/-1;grid-row:2;justify-content:flex-start;gap:8px 20px;margin-left:0;padding-block:2px 6px}.site-header nav a{min-height:36px}.saved-collection>summary{flex-wrap:wrap}.saved-count{flex-shrink:0}.hero-figure figcaption,.collection-heading{overflow-wrap:anywhere}}
@media(min-width:1500px){.hero{gap:80px}.hero h1{font-size:48px}}
@media(max-width:1100px){.shell,.header-inner{width:calc(100% - 56px)}.hero{gap:30px}.hero h1{font-size:36px}.hero-actions{gap:12px}.book-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:36px}.book-grid .product h4{min-height:0}.book-image{max-height:370px}.filter-tools{align-items:start;flex-direction:column;gap:16px}.search-label{width:min(350px,100%)}.saved-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.sample-panel{padding:38px;gap:32px}.sample-panel h2{font-size:25px}}
@media(max-width:767px){.shell,.header-inner{width:calc(100% - 40px)}.header-inner{min-height:66px;gap:12px}.wordmark{font-size:30px}.site-header nav{gap:20px;font-size:12px}.hero{grid-template-columns:1fr;gap:32px;padding-block:32px 42px}.hero h1{font-size:36px;line-height:1.55}.hero-copy>p{font-size:14px;margin-top:16px}.hero-actions{margin-top:22px;gap:16px}.hero-figure .product-image{aspect-ratio:4/3}.hero-figure figcaption{font-size:11px}.catalog{padding-top:30px}.section-intro h2,.accounts-section h2{font-size:24px}.filters{gap:7px}.filters button{padding:8px 12px;font-size:13px}.model-grid{grid-template-columns:1fr;gap:36px}.book-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px 18px}.book-image{padding:10px;aspect-ratio:5/7}.book-grid .product h4{font-size:16px}.book-grid .product-lede{font-size:13px}.product-kind{font-size:11px}.facts{font-size:11px;gap:4px 10px}.facts li+li::before{left:-7px}.store-link{font-size:12px;padding:10px 12px;gap:5px}.sample-link{font-size:12px}.collection-heading{flex-direction:column;align-items:start;gap:4px;padding-bottom:16px}.collection-heading>h3{font-size:19px}.collection-heading>span{font-size:12px}.collection+.collection{margin-top:42px}.saved-grid{grid-template-columns:1fr;gap:28px}.saved-grid .product{grid-template-columns:95px minmax(0,1fr);gap:18px}.saved-collection>summary{font-size:16px;gap:12px}.sample-section{padding-top:48px}.sample-panel{padding:32px 24px;grid-template-columns:1fr;gap:30px}.sample-panel h2{font-size:24px}.sample-panel p:not(.sample-label){font-size:13px}.sample-panel br{display:none}.sample-covers{max-width:250px;margin:auto;gap:20px}.accounts-section{padding-block:46px}.account-grid{grid-template-columns:1fr;gap:0}.account-link{min-height:96px}.account-link strong{font-size:22px}.site-footer{gap:12px;flex-wrap:wrap;padding-block:24px}.site-footer>span{width:100%;margin-left:0}.product-details summary{min-height:44px}.price{font-size:18px}}
@media(max-width:420px){.hero h1{font-size:31px}.site-header nav{gap:14px}.hero-actions{gap:8px;align-items:flex-start;flex-direction:column}.hero-actions .primary-link{min-width:174px}.book-grid{grid-template-columns:1fr;gap:36px}.book-grid .book-image{height:340px;aspect-ratio:auto;padding:18px}.book-grid .product h4{font-size:20px}.book-grid .product-lede{font-size:14px}.book-grid .product-kind{font-size:12px}.book-grid .facts{font-size:12px}.store-link{font-size:14px;padding:11px 16px}.sample-link{font-size:13px}.hero-figure figcaption{flex-direction:column;gap:2px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}.sample-covers img{transform:none}}
.filter-tools{align-items:start;flex-direction:column;gap:16px}
.catalog-inputs{display:flex;flex-wrap:wrap;gap:16px;width:100%}
.status-label{display:grid;gap:3px;min-width:180px;font-size:12px;color:var(--muted)}
.status-label select{min-height:44px;max-width:100%;padding:8px 12px;background:var(--white);border:1px solid var(--line);border-radius:5px;color:var(--ink);font-size:14px}
.catalog-inputs .search-label{flex:1;min-width:200px;width:auto;max-width:420px}
.catalog-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 32px;margin-top:12px}
#product-grid .product{display:grid;grid-template-columns:112px minmax(0,1fr);align-items:start;gap:20px;padding-block:24px;border-bottom:1px solid var(--line)}
#product-grid .product-image{width:100%;height:148px;aspect-ratio:auto;padding:8px;border-radius:5px}
#product-grid .model-image img{object-fit:contain}
#product-grid .cover-wrap{padding:0}
#product-grid .product-content{padding-top:0;min-width:0}
#product-grid .product-kind{align-items:start;flex-wrap:wrap;font-size:11px;gap:3px 8px;margin-bottom:6px}
#product-grid .work-state{margin:0}
#product-grid h3{font-size:18px;line-height:1.45}
#product-grid .product-lede{font-size:13px;line-height:1.65;margin-top:8px}
body.dialog-ready #product-grid .product-lede{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
body.dialog-ready #product-grid :is(.facts,.product-details,.sample-link){display:none}
#product-grid .price{font-size:17px;padding-top:10px}
#product-grid .product-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
#product-grid .store-link{font-size:12px;padding:9px 12px;min-height:44px;gap:8px;flex:1;min-width:115px}
.detail-trigger{border:1px solid var(--line);border-radius:5px;background:transparent;color:var(--ink);min-height:44px;padding:9px 12px;font-size:12px;font-weight:600}
.detail-trigger:hover{background:var(--soft)}
.catalog-pagination{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:20px;max-width:430px;width:100%}
.catalog-pagination button{min-height:44px;padding:8px 16px;border:1px solid var(--line);border-radius:5px;background:var(--white);color:var(--ink);font-size:13px;font-weight:600}
.catalog-pagination button:hover:enabled{background:var(--soft)}
.catalog-pagination button:disabled{opacity:.45;cursor:default}
.page-status{font-size:13px;color:var(--muted);text-align:center}
#works-title{scroll-margin-top:100px}
body.detail-open{overflow:hidden}
.detail-dialog{width:min(900px,calc(100% - 32px));max-height:calc(100dvh - 32px);margin:auto;border:1px solid var(--line);border-radius:10px;background:var(--paper);color:var(--ink);padding:0;overscroll-behavior:contain}
.detail-dialog::backdrop{background:rgb(23 40 31 / .55)}
.detail-header{position:sticky;top:0;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 24px;border-bottom:1px solid var(--line);background:var(--paper)}
#close-detail{border:1px solid var(--line);border-radius:5px;min-height:44px;padding:8px 16px;background:var(--white);color:var(--ink);font-size:14px;flex-shrink:0}
#detail-title{padding:24px 28px 0;font-size:26px;line-height:1.5;overflow-wrap:anywhere}
#detail-body{display:grid;grid-template-columns:240px minmax(0,1fr);gap:28px;padding:24px 28px 32px}
.detail-dialog .detail-image{width:100%;height:310px;max-height:none;aspect-ratio:auto;padding:12px}
.detail-dialog .cover-wrap{padding:0}
.detail-dialog .product-kind{flex-wrap:wrap;align-items:start}
.detail-dialog .product-lede{margin-top:8px;line-height:1.85}
.detail-copy>ul:not(.facts){font-size:14px;padding-left:20px;margin-top:18px;color:var(--muted)}
.detail-copy>ul:not(.facts) li+li{margin-top:8px}
.detail-dialog .price{margin-top:12px}
.dialog-actions{display:grid;gap:8px;margin-top:18px}
@media(max-width:1000px){#product-grid .product{grid-template-columns:90px minmax(0,1fr);gap:14px}.catalog-grid{gap:0 24px}#product-grid .product-image{height:120px}}
@media(max-width:767px){.catalog-grid{grid-template-columns:1fr}#product-grid .product{grid-template-columns:84px minmax(0,1fr);gap:16px;padding-block:20px}#product-grid .product-image{height:110px;padding:6px}#product-grid .cover-wrap{padding:0}#product-grid h3{font-size:17px}body.dialog-ready #product-grid .product-lede{display:none}.catalog-inputs{gap:12px}.status-label{min-width:0;width:100%}.catalog-inputs .search-label{min-width:0;max-width:none;width:100%;flex-basis:100%}.catalog-pagination{max-width:none;margin-top:16px}.catalog-pagination button{padding:8px 12px}#works-title{scroll-margin-top:138px}.detail-header{padding:10px 14px;gap:8px}.detail-header .language-picker{display:block;font-size:11px}.detail-header .language-picker select{width:130px;margin-left:4px}#detail-title{padding:20px 20px 0;font-size:23px}#detail-body{grid-template-columns:1fr;gap:20px;padding:20px}.detail-dialog .detail-image{width:180px;height:232px;justify-self:center}.detail-dialog .model-image{width:100%;height:220px}.detail-dialog .store-link{font-size:14px}.detail-dialog .sample-link{font-size:13px}}
@media(max-width:360px){#product-grid .product{grid-template-columns:70px minmax(0,1fr);gap:12px}#product-grid .product-image{height:94px}#product-grid h3{font-size:16px}#product-grid .product-actions{gap:6px}#product-grid .store-link{min-width:0;flex-basis:100%}.detail-header .language-picker>span{display:block}.detail-header .language-picker select{margin-left:0}.detail-dialog{width:calc(100% - 20px);max-height:calc(100dvh - 20px)}}