:root{
  --paper:#F7F4EC;
  --paper2:#FFFEF8;
  --ink:#243229;
  --ink-soft:#5C6B60;
  --green:#2E6E4E;
  --green-deep:#1F4A35;
  --green-soft:#DDE9DC;
  --pink:#E88FA2;
  --pink-deep:#C4566E;
  --pink-soft:#F9DFE4;
  --yellow:#E9B949;
  --line:rgba(36,50,41,.16);
  --line2:rgba(36,50,41,.30);
  --font-d:'Shippori Mincho',serif;
  --font-b:'Zen Kaku Gothic New',sans-serif;
  --font-k:'Klee One',cursive;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  color:var(--ink);
  background:var(--paper);
  font-family:var(--font-b);
  line-height:1.95;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:var(--green-deep);text-decoration:none}
a:hover{text-decoration:underline;text-underline-offset:3px}
.site-header{border-bottom:1px solid var(--line);background:rgba(247,244,236,.9)}
.header-in{max-width:1080px;margin:0 auto;padding:.9rem 1.2rem;display:flex;align-items:center;justify-content:space-between;gap:1rem}
.brand{display:flex;align-items:center;gap:.65rem;color:var(--green-deep);font-family:var(--font-d);font-weight:700;letter-spacing:.05em}
.brand-mark{width:34px;height:34px;border:2px solid var(--green);border-radius:50%;display:grid;place-items:center;font-family:var(--font-k);font-size:1.05rem}
.brand small{display:block;font-family:var(--font-b);font-weight:400;color:var(--ink-soft);font-size:.62rem;letter-spacing:.18em;line-height:1.2}
.home-link{font-family:var(--font-k);font-size:.88rem}
.page-shell{max-width:1000px;margin:0 auto;padding:0 1.2rem}
.breadcrumbs{padding:1.1rem 0 0;color:var(--ink-soft);font-size:.78rem}
.breadcrumbs a{color:var(--ink-soft)}
.breadcrumbs span{margin:0 .35rem}
.page-header{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:2.4rem;align-items:center;padding:2.2rem 0 2.6rem}
.eyebrow{color:var(--pink-deep);font-size:.76rem;letter-spacing:.2em;text-transform:uppercase;margin:0 0 .8rem}
h1,h2,h3{font-family:var(--font-d);line-height:1.35}
h1{font-size:clamp(1.9rem,4vw,3.2rem);margin:0 0 1rem;letter-spacing:.01em}
h2{font-size:clamp(1.35rem,2.6vw,2rem);margin:2.7rem 0 .8rem}
h3{font-size:1.12rem;margin:1.7rem 0 .45rem}
.lead{font-size:1.04rem;color:var(--ink-soft);margin:0}
.page-header figure{margin:0;position:relative}
.page-header figure::after{content:"";position:absolute;right:-.7rem;bottom:-.7rem;width:58px;height:58px;border-right:2px solid var(--pink);border-bottom:2px solid var(--pink);border-radius:0 0 12px 0;pointer-events:none}
.page-header img{width:100%;aspect-ratio:1;border-radius:12px;border:1px solid var(--line);object-fit:cover}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 230px;gap:3rem;align-items:start}
.article{min-width:0;background:var(--paper2);border-top:5px solid var(--green);padding:2.1rem 2.2rem 2.7rem;box-shadow:0 10px 35px rgba(36,50,41,.05)}
.article p{margin:.8rem 0}
.article ul,.article ol{padding-left:1.4rem}
.article li{margin:.4rem 0}
.fact-box{margin:1.4rem 0;padding:1.1rem 1.25rem;background:var(--green-soft);border-left:4px solid var(--green);font-size:.94rem}
.fact-box strong{color:var(--green-deep)}
.limit-box{margin:1.4rem 0;padding:1.1rem 1.25rem;background:var(--pink-soft);border-left:4px solid var(--pink-deep);font-size:.92rem}
.section-kicker{font-family:var(--font-k);color:var(--pink-deep);font-size:.85rem}
.source-list{font-size:.86rem;color:var(--ink-soft);border-top:1px solid var(--line);padding-top:1rem;margin-top:2rem}
.source-list li{margin:.65rem 0}
.source-list a{overflow-wrap:anywhere}
.article-note{font-size:.82rem;color:var(--ink-soft)}
.side-note{position:sticky;top:1rem;border-top:2px solid var(--pink);padding-top:1rem;font-size:.84rem;color:var(--ink-soft)}
.side-note strong{display:block;color:var(--ink);font-family:var(--font-d);font-size:1rem;margin-bottom:.5rem}
.related{margin:2rem 0 0;padding:1.2rem 1.3rem;background:#F1EEE4;border:1px solid var(--line)}
.related h2{font-size:1.1rem;margin:0 0 .55rem}
.related p{margin:.4rem 0;font-size:.9rem}
.related-links{display:flex;flex-wrap:wrap;gap:.5rem .9rem;font-size:.86rem}
.page-footer{margin:3rem 0 0;padding:2.1rem 0;border-top:1px solid var(--line);color:var(--ink-soft);font-size:.8rem}
.page-footer p{margin:.2rem 0}
.page-footer a{color:var(--green-deep)}
.tag-row{display:flex;flex-wrap:wrap;gap:.45rem;margin:1.2rem 0}
.tag{display:inline-block;border:1px solid var(--line2);border-radius:999px;padding:.2rem .65rem;font-size:.72rem;color:var(--green-deep);background:var(--paper)}
@media (max-width:800px){
  .page-header{grid-template-columns:1fr;gap:1.4rem;padding-top:1.6rem}
  .page-header figure{max-width:430px}
  .article-layout{grid-template-columns:1fr;gap:1.6rem}
  .side-note{position:static}
}
@media (max-width:560px){
  body{font-size:15px}
  .header-in,.page-shell{padding-left:1rem;padding-right:1rem}
  .home-link{font-size:.78rem}
  .article{padding:1.4rem 1.1rem 2rem}
  .breadcrumbs{font-size:.72rem}
  .page-header{padding-bottom:1.8rem}
  .lead{font-size:.96rem}
  h2{margin-top:2.1rem}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
}

/* skip link (same pattern as homepage) */
.skip{position:absolute;left:-999px;top:0;background:var(--ink);color:#fff;padding:.6rem 1rem;z-index:200}
.skip:focus{left:1rem;top:1rem}