:root{color-scheme:light;--paper:#faf7ef;--ink:#27241e;--muted:#575047;--sage:#263f33;--pale:#edf0e5;--line:#ded5c7;--rust:#a34029;--white:#fffdf8;--width:1160px}
*,*::before,*::after{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,system-ui,sans-serif;line-height:1.85;overflow-wrap:anywhere}
h1,h2,h3,.brand{font-family:"Hiragino Mincho ProN","Yu Mincho","Noto Serif CJK JP",serif;line-height:1.38}
h1,h2,h3,p,ul,ol,figure{margin-block-start:0}
h1{font-size:clamp(2rem,5.4vw,4.45rem);letter-spacing:.01em;margin-bottom:1rem}
h2{font-size:clamp(1.45rem,3.2vw,2.2rem);margin-bottom:.9rem}
h3{font-size:1.23rem;margin-bottom:.4rem}
a{color:var(--sage);text-underline-offset:.22em}
a:hover{color:var(--rust)}
:focus-visible{outline:3px solid var(--rust);outline-offset:4px}
img{display:block;max-width:100%;height:auto}
button,input{font:inherit}
.wrap{width:min(var(--width),calc(100% - 3rem));margin-inline:auto}
.skip{position:absolute;top:.5rem;left:.5rem;z-index:10;background:var(--white);padding:.6rem 1rem;transform:translateY(-160%)}
.skip:focus{transform:none}
.site-head{background:var(--paper);border-bottom:1px solid var(--line)}
.head-inner{min-height:74px;display:flex;justify-content:space-between;align-items:center;gap:1rem;flex-wrap:wrap;padding-block:.8rem}
.brand{display:inline-flex;align-items:center;gap:.6rem;text-decoration:none;font-weight:700;font-size:1.18rem}
.brand img{width:34px;height:34px;border-radius:50%}
nav ul,.foot-links,.topics{display:flex;gap:.45rem 1.15rem;flex-wrap:wrap;margin:0;padding:0;list-style:none}
nav a{display:inline-block;padding:.3rem 0;font-weight:650;font-size:.88rem;text-decoration:none}
nav a[aria-current=page]{text-decoration:underline}
.hero{display:grid;grid-template-columns:1fr 1fr;gap:clamp(1.4rem,4vw,4rem);align-items:center;padding-block:clamp(2.2rem,6vw,5.4rem)}
.hero h1 span{display:block;color:var(--sage)}
.hero p{max-width:38em;color:var(--muted)}
.hero img{width:100%;aspect-ratio:5/4;object-fit:cover;border-radius:46% 46% .65rem .65rem}
.hero .photo{padding:.55rem;border:1px solid var(--line);border-radius:46% 46% .8rem .8rem;margin:0}
.actions{display:flex;gap:.7rem;flex-wrap:wrap;align-items:center}
.button{display:inline-flex;align-items:center;justify-content:center;background:var(--sage);border:1px solid var(--sage);color:white;text-decoration:none;border-radius:100px;padding:.53rem 1.1rem;font-weight:700;font-size:.9rem}
.button:hover{color:white;background:#345644}
.button.secondary{background:transparent;color:var(--sage)}
.button.secondary:hover{background:var(--pale)}
.section{padding-block:2.35rem;border-top:1px solid var(--line)}
.section .section-top{display:flex;justify-content:space-between;align-items:baseline;gap:1rem;flex-wrap:wrap}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem}
.card{border:1px solid var(--line);border-radius:.85rem;overflow:hidden;background:var(--white)}
.card a{display:block;height:100%;text-decoration:none;color:inherit}
.card a:hover h3{text-decoration:underline;color:var(--rust)}
.card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.card .card-body{padding:1rem}
.card p{font-size:.89rem;color:var(--muted);margin:0}
.cat,.crumb,.meta,.topics,.result{font-size:.84rem;color:var(--muted)}
.cat{display:inline-block;color:var(--rust);font-weight:700;margin-bottom:.4rem}
.page{padding-block:2rem 4rem}
.crumb{margin-bottom:1.7rem}
.article-head{max-width:850px;margin:0 auto 1.6rem}
.article-head h1{font-size:clamp(1.85rem,4.9vw,3.45rem)}
.article-head .lead{font-size:1.04rem;color:var(--muted);max-width:43em;margin-bottom:.7rem}
.article-cover{margin:0 auto 2.1rem;max-width:850px}
.article-cover img{width:100%;max-height:510px;object-fit:cover;border-radius:.8rem}
.article-grid{display:grid;grid-template-columns:minmax(0,710px) minmax(180px,230px);gap:clamp(1rem,5vw,4rem);justify-content:center;align-items:start}
.copy{max-width:730px;min-width:0}
.copy h2{font-size:clamp(1.35rem,3vw,1.95rem);margin-top:2.1rem;scroll-margin:1rem}
.copy h3{margin-top:1.15rem}
.copy p,.copy li{font-size:1rem}
.copy li+li{margin-top:.35rem}
.copy ul,.copy ol{padding-inline-start:1.45rem}
.answer,.toc,.notice{padding:1rem 1.2rem;border:1px solid var(--line);border-radius:.65rem;background:var(--pale)}
.answer{margin-bottom:1.3rem}
.toc{position:sticky;top:1.1rem;background:var(--white)}
.toc h2{font-size:1.08rem;margin-bottom:.5rem}
.toc ul{margin:0;padding-inline-start:1.05rem;font-size:.83rem}
.toc li+li{margin-top:.38rem}
.table-wrap{overflow-x:auto;margin:0 0 1.2rem}
table{width:100%;border-collapse:collapse;background:var(--white);font-size:.88rem}
th,td{padding:.57rem .55rem;border:1px solid var(--line);vertical-align:top}
thead{background:var(--pale)}
tbody tr:nth-child(even){background:#f5f0e5}
details{border-bottom:1px solid var(--line);padding:.6rem 0}
summary{cursor:pointer;font-weight:700;color:var(--sage);padding:.2rem 0}
details p{margin:.6rem 0}
.gallery{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.7rem}
.gallery img{width:100%;border-radius:.45rem}
.byline{margin:1rem 0}
.related{margin-top:3rem}
.search-area{padding:1rem;background:var(--pale);border-radius:.75rem;margin-bottom:1rem}
.search-area label{display:block;font-weight:700}
.search-area input{width:min(100%,26rem);background:var(--white);border:1px solid var(--muted);padding:.55rem .7rem;border-radius:.4rem;color:var(--ink)}
.search-area .result{margin:.4rem 0 0}
[hidden]{display:none!important}
.footer{background:var(--sage);color:white;padding-block:2rem}
.footer a{color:white}
.footer a:hover{text-decoration-thickness:2px}
.footer p{margin:.5rem 0}
.foot-links{font-size:.85rem}
@media(max-width:760px){
 .wrap{width:min(var(--width),calc(100% - 2rem))}
 .hero,.article-grid{grid-template-columns:minmax(0,1fr)}
 .hero .photo{width:min(100%,33rem);border-radius:1rem;padding:.35rem}
 .hero img{aspect-ratio:16/10;border-radius:.75rem}
 .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .toc{position:static;order:-1}
}
@media(max-width:420px){
 .head-inner{gap:.35rem}
 nav ul{column-gap:.78rem}
 .card-grid{grid-template-columns:minmax(0,1fr)}
 .gallery{grid-template-columns:minmax(0,1fr)}
 th,td{padding:.42rem .3rem}
}
@media print{
 .site-head,.footer,.toc,.related,.actions,.gallery,.crumb,.article-cover{display:none}
 body{background:white;color:black}
 .wrap,.copy{width:100%;max-width:none}
 .article-grid{display:block}
}

.language-switch{border:1px solid var(--line);border-radius:100px;padding:.25rem .65rem;display:inline-block;text-decoration:none;white-space:nowrap}
html[lang=en] h1,html[lang=en] h2,html[lang=en] h3,html[lang=en] .brand{font-family:Georgia,serif}
.ad-placement{margin:2rem 0;color:var(--muted);font-size:.8rem;max-width:100%;min-width:0}
.ad-placement .adsbygoogle{display:block}