/* Clear interior palette: white, blue gray and warm sand. No external fonts. */
:root{--paper:#fff;--white:#fff;--ink:#283235;--heading:#294c55;--muted:#5d696c;--line:#d9e0e2;--sage:#eef3f4;--accent:#94583a;--wood:#bd9372;--control:#355963}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:28px;background:#fff}
body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Noto Sans JP","Hiragino Kaku Gothic ProN","Yu Gothic",sans-serif;line-height:1.85}
main#main{background:#fff}
a{color:inherit;text-underline-offset:5px;text-decoration-thickness:1px}
a:hover{color:var(--accent)}
img{max-width:100%;height:auto;display:block}
button,input{font:inherit}
a:focus-visible,input:focus-visible,summary:focus-visible,button:focus-visible{outline:2px solid var(--accent);outline-offset:5px}
[hidden]{display:none!important}
.wrap{width:min(1120px,calc(100% - 64px));margin-inline:auto}
h1,h2,h3{line-height:1.65;overflow-wrap:anywhere;color:var(--heading)}
h1,h2{font-family:"Noto Serif JP","Yu Mincho","Hiragino Mincho ProN",serif;font-weight:500}
h1{font-size:36px;margin:0 0 24px}
h2{font-size:27px;margin:0 0 20px}
h3{font-size:18px}
.eyebrow{font-size:11px;letter-spacing:.12em;font-weight:500;color:var(--muted);margin:0 0 14px}
.site-header{border-bottom:1px solid var(--line);background:var(--white)}
.header-inner{max-width:1240px;margin:auto;padding:22px 36px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:12px;color:var(--heading);text-decoration:none;font-family:"Yu Mincho",serif;font-size:22px;font-weight:500;letter-spacing:.05em}
.brand-mark{display:grid;place-items:center;flex-shrink:0;width:44px;height:49px;background:var(--sage);border:1px solid #b9c9cd;border-radius:3px}
.brand-mark svg{width:30px;height:30px}
.menu-toggle{display:none}
.site-header nav{display:flex;gap:26px;font-size:13px}
.site-header nav a{color:var(--heading);text-decoration:none;padding:9px 0;border-bottom:1px solid transparent}
.site-header nav a:hover{border-bottom-color:var(--wood)}


.lead{font-size:14px;line-height:2.2;margin:20px 0 28px}
.button{display:inline-flex;align-items:center;justify-content:space-between;gap:24px;background:var(--control);color:white;padding:13px 22px;border:1px solid var(--control);border-radius:3px;text-decoration:none;font-size:13px;min-height:46px}
.button:hover{background:var(--heading);color:white}




.section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:28px}
.section-head h2{margin:0}
.section-head p:not(.eyebrow){font-size:13px;color:var(--muted)}














.section{padding-block:48px 60px}
.text-link{font-size:13px;white-space:nowrap}
.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px 22px}
.card{min-width:0;border:1px solid #d4dcde;background:var(--white);border-radius:4px;overflow:hidden;box-shadow:0 5px 18px rgba(41,76,85,.06);transition:border-color .15s,box-shadow .15s}
.card:hover{border-color:#a8795b;box-shadow:0 9px 24px rgba(41,76,85,.11)}
.card-link{display:flex;flex-direction:column;height:100%;text-decoration:none}
.card-link>img{width:100%;aspect-ratio:16/9;object-fit:cover}
.card-copy{padding:21px 22px;display:flex;flex-direction:column;flex:1}
.card-copy .eyebrow{font-size:10px;align-self:flex-start;padding:2px 9px;background:var(--sage);border-radius:2px;margin-bottom:9px}
.card-copy h3{font-size:17px;line-height:1.85;font-weight:500;margin:0 0 12px;color:#283c42}
.card-copy p{font-size:12px;line-height:1.9;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin:0 0 19px}
.read{display:flex;justify-content:space-between;margin-top:auto;padding-top:13px;border-top:1px solid #e2e7e8;font-size:12px;color:var(--accent)}







.site-footer{background:var(--sage);border-top:1px solid #cfdadd;color:#344549;padding:36px 0 25px}
.footer-inner{display:grid;grid-template-columns:1fr auto;gap:18px}
.footer-brand{font:20px/1.8 "Yu Mincho",serif;text-decoration:none}
.footer-inner small{font-size:11px;color:var(--muted)}
.footer-inner nav{display:flex;align-items:center;flex-wrap:wrap;gap:12px 24px;font-size:12px}
.site-footer a{color:var(--heading)}
.footer-inner small{grid-column:1/-1;border-top:1px solid #d1dcdf;padding-top:18px}
.breadcrumbs{display:flex;gap:12px;flex-wrap:wrap;font-size:12px;margin-bottom:25px;color:var(--muted)}
.listing-lead{font-size:14px;max-width:650px}
.filter-nav{display:flex;flex-wrap:wrap;gap:9px;margin:28px 0}
.filter-nav a{border:1px solid #b8c6ca;padding:8px 17px;min-height:42px;background:var(--white);border-radius:3px;text-decoration:none;font-size:13px}
.filter-nav a[aria-current]{background:var(--control);color:white;border-color:var(--control)}
.search{margin:24px 0 32px;padding:20px 24px;background:#f2f5f5;border:1px solid #d3dcde;border-radius:4px}
.search label{font-size:12px;display:block;margin-bottom:9px}
.search input{border:1px solid #b8c6ca;border-radius:3px;background:var(--white);padding:11px 14px;width:min(100%,550px);font-size:16px}
.search p{font-size:12px;color:var(--muted);margin:8px 0 0}
.article-layout{display:grid;grid-template-columns:minmax(0,740px) minmax(210px,1fr);gap:60px;padding-top:32px}
.article-header{margin-bottom:28px;padding-bottom:22px;border-bottom:1px solid var(--line)}
.article-header h1{font-size:29px;line-height:1.85;margin-bottom:0}
.article-header>.eyebrow{color:#35636a}
.pr-notice{font-size:11px;line-height:1.85;color:var(--muted);margin:0 0 16px}
.article-image{width:100%;border-radius:3px;margin:26px 0 0}
.prose{font-size:16px;line-height:2.15;overflow-wrap:anywhere}
.prose p{margin:0 0 1.7em}
.prose h2{font-size:24px;border-left:3px solid #76969c;padding:4px 0 4px 18px;margin:48px 0 24px;line-height:1.8}
.prose h3{font-size:18px;margin-top:32px;font-weight:600}
.prose ul,.prose ol{padding-left:1.5em;margin:22px 0 30px}
.prose li{margin:10px 0}
.prose strong{font-weight:650}
.prose a{color:#35636a;text-decoration-thickness:1px}
.prose img{margin:25px 0;max-width:100%;height:auto}
.toc{position:sticky;top:28px;align-self:start;margin-top:55px;padding:20px;border:1px solid #d3dcde;background:#f2f5f5;border-radius:3px;max-height:calc(100vh - 56px);overflow:auto}
.toc-title{font-size:14px;margin:0 0 18px}
.toc ol{padding-left:18px;font-size:12px;line-height:1.85}
.toc li{margin:0 0 13px;padding-left:3px}
.toc a{text-decoration:none}
.mobile-toc{display:none}
.article-end{border-top:1px solid var(--line);padding-top:22px;margin-top:40px;font-size:13px}
.narrow{max-width:760px}
.narrow>.prose{margin-top:35px}
.error-page{min-height:55vh}
.skip{position:absolute;left:16px;top:-100px;background:white;padding:12px;z-index:5}
.skip:focus{top:12px}
.prose li.reference-active{padding:16px 20px;background:var(--sage);border-radius:4px;outline:1px solid var(--line)}
.reference-return{margin:14px 0 0}
.reference-return button{min-height:44px;max-width:100%;padding:8px 14px;border:1px solid var(--muted);border-radius:3px;background:var(--white);color:var(--ink);font-size:14px;line-height:1.6;text-align:left;cursor:pointer;overflow-wrap:anywhere}
.reference-return button:hover{border-color:var(--accent);color:var(--accent)}
.prose p.reference-returned-paragraph{background:#f3ecd9;box-shadow:0 0 0 6px #f3ecd9;border-radius:3px}
.prose a.reference-returned-link{background:#f1dfab;color:var(--ink);outline:2px solid var(--accent);outline-offset:2px;border-radius:2px}
@media(max-width:1000px){.article-layout{grid-template-columns:minmax(0,1fr);max-width:760px;gap:0}.toc{display:none}.mobile-toc{display:block;background:var(--sage);border:1px solid var(--line);border-radius:3px;padding:16px 22px;margin:25px 0 35px;font-size:13px}.mobile-toc summary{cursor:pointer;min-height:24px}.cards{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-inner{grid-template-columns:1fr}.footer-inner nav{padding:6px 0}}
@media(max-width:600px){.wrap{width:calc(100% - 36px)}.header-inner{padding:12px 18px;flex-wrap:wrap;justify-content:space-between;gap:0}.brand{font-size:18px;letter-spacing:.025em;gap:9px;min-height:44px}.brand-mark{width:30px;height:36px;background:transparent;border:0}.brand-mark svg{width:28px;height:30px}.site-header nav{flex-basis:100%;margin:12px 0 0;padding:10px 0 2px;border-top:1px solid #e2e7e8;gap:0}.site-header nav a{display:flex;align-items:center;justify-content:center;min-height:44px;flex:1;padding:8px;font-size:12px}.site-header.mobile-nav-ready .menu-toggle{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;min-width:48px;min-height:48px;padding:4px;border:0;background:transparent;color:var(--heading);font:10px/1.2 sans-serif;cursor:pointer}.menu-lines{width:21px;height:10px;border-top:1px solid currentColor;border-bottom:1px solid currentColor}.site-header.mobile-nav-ready nav{display:none}.site-header.mobile-nav-ready.mobile-nav-open nav{display:flex}.site-header.mobile-nav-open .menu-lines{height:1px;border-bottom:0}.lead{font-size:13px;margin:15px 0 22px}.button{font-size:12px;padding:12px 19px}.section-head{display:block;margin-bottom:22px}.section-head .text-link{display:inline-block;margin-top:15px}h2{font-size:23px}h1{font-size:28px}.cards{grid-template-columns:1fr;gap:22px}.section{padding-block:35px 42px}.card-copy{padding:20px}.card-copy h3{font-size:17px}.search{padding:17px}.filter-nav{gap:8px}.filter-nav a{padding:7px 12px;font-size:12px}.article-layout{padding-top:22px}.article-header h1{font-size:25px}.prose{font-size:16px;line-height:2}.prose h2{font-size:22px;padding-left:14px;margin-top:38px}.footer-inner nav{gap:12px 20px}.desktop{display:none}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.card{transition:none}}


/* Thumbnail-led category shelves. Category additions need no custom styles. */
.home-intro{padding:32px 0 26px;max-width:780px}
.home-intro h1{font:400 16px/2.1 -apple-system,BlinkMacSystemFont,"Yu Gothic",sans-serif;margin:0;color:#344144}
.home-category-nav{display:flex;flex-wrap:wrap;gap:8px 28px;border-block:1px solid var(--line);padding:10px 16px;background:#f5f7f7}
.home-category-nav a{font-size:13px;display:flex;align-items:center;min-height:44px;color:var(--control);text-decoration:none}
.home-category-nav a:hover{text-decoration:underline}
.home-shelf{padding:34px 0 40px;border-bottom:1px solid var(--line)}
.home-shelf:last-child{border-bottom:0;padding-bottom:60px}
.shelf-heading{display:flex;justify-content:space-between;align-items:center;gap:24px;margin-bottom:22px}
.shelf-heading h2{font-size:24px;margin:0 0 6px}
.shelf-heading p{font-size:12px;margin:0;color:var(--muted)}
.shelf-heading>a{font-size:12px;flex-shrink:0}
.thumbnail-pending{width:100%;aspect-ratio:16/9;display:grid;place-items:center;background:#f3efe7;color:#65635e;border-bottom:1px solid var(--line)}
.thumbnail-pending span{font-size:11px;letter-spacing:.08em}
.home-shelf .card-copy>.eyebrow{display:none}
.home-shelf .card-copy{padding:19px 20px}
.home-shelf .card-copy h3{margin-top:0}
@media(min-width:601px){.home-shelf .cards{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:850px) and (min-width:601px){.home-shelf .card-copy{padding:16px}.home-shelf .card-copy h3{font-size:15px}.shelf-heading{align-items:flex-start}}
@media(max-width:600px){.home-intro{padding:26px 0 22px}.home-intro h1{font-size:13px;line-height:2;color:var(--muted)}.home-category-nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;padding:0;background:transparent;border:0}.home-category-nav a{justify-content:space-between;gap:5px;min-height:52px;padding:10px 12px;border:1px solid var(--line);border-radius:5px;background:#f5f7f7;font-size:12px;line-height:1.5}.home-category-nav a::after{content:'↓';flex-shrink:0;color:#71878c;font-size:13px}.home-category-nav a:last-child{background:#fff}.home-category-nav a:last-child::after{content:'→'}.home-category-nav a:hover,.home-category-nav a:active{border-color:#76969c;background:var(--sage);text-decoration:none}.home-shelf{padding:30px 0 32px}.shelf-heading{display:block;margin-bottom:18px}.shelf-heading h2{font-size:22px}.shelf-heading>a{display:inline-block;margin-top:12px;min-height:32px}.home-shelf .cards{gap:25px}.home-shelf:last-child{padding-bottom:40px}}
@media(max-width:350px){.header-inner{padding-inline:14px}.brand{font-size:16px;gap:5px}.home-category-nav a{font-size:11px;padding-inline:9px}}