/* Layout: papel de arroz + tinta sumi; marcadores de seção em kanji (o nome japonês real de cada parte), fotos sangrando, um único vermelho de carimbo (shu). */
:root{
  --paper:#F3F2EF;
  --panel:#E8E5E0;
  --ink:#16130F;
  --muted:#5B554F;
  --rule:#D3CEC7;
  --shu:#C8191F;
  --band:#16130F;
  --band-ink:#F1EEE9;
  --band-muted:#A79F96;
  --display:"Shippori Mincho B1","Shippori Mincho","Hiragino Mincho ProN","Yu Mincho",Georgia,serif;
  --body:"Zen Kaku Gothic New","Hiragino Sans","Segoe UI",system-ui,sans-serif;
  --max:1180px;
  --gut:clamp(16px,4vw,40px);
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --paper:#121010;--panel:#1C1917;--ink:#EEEAE4;--muted:#A69E95;--rule:#2F2B28;--shu:#F0453F;
  --band:#0A0909;--band-ink:#F1EEE9;--band-muted:#A79F96;color-scheme:dark}}
:root[data-theme="dark"]{
  --paper:#121010;--panel:#1C1917;--ink:#EEEAE4;--muted:#A69E95;--rule:#2F2B28;--shu:#F0453F;
  --band:#0A0909;--band-ink:#F1EEE9;--band-muted:#A79F96;color-scheme:dark}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--body);font-size:17px;line-height:1.7;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--shu);outline-offset:3px}
h1,h2,h3{font-family:var(--display);font-weight:700;line-height:1.15;text-wrap:balance;margin:0}
p{margin:0}
.wrap{max-width:var(--max);margin-inline:auto;padding-inline:var(--gut)}

/* header */
.site-head{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:color-mix(in srgb,var(--paper) 92%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--rule)}
.site-head .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-block:10px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none}
.brand img{width:44px;height:44px}
.brand b{font-family:var(--display);font-size:20px;letter-spacing:.14em;font-weight:800}
.brand small{display:block;font-size:11px;letter-spacing:.18em;color:var(--muted);text-transform:uppercase;line-height:1.2}
.nav{display:flex;gap:4px 22px;flex-wrap:wrap;font-size:14px;letter-spacing:.06em}
.nav a{text-decoration:none;padding:6px 0;border-bottom:1px solid transparent}
.nav a:hover,.nav a[aria-current="page"]{border-color:var(--shu)}
.nav .cta{color:var(--shu);font-weight:700}
@media (max-width:760px){.nav{width:100%;justify-content:space-between;gap:4px 14px;font-size:13px}}

/* labels and section markers */
.eyebrow{font-size:12px;letter-spacing:.22em;text-transform:uppercase;color:var(--muted);font-weight:500}
.mark{display:flex;align-items:baseline;gap:14px;margin-bottom:28px}
.mark .kanji{font-family:var(--display);color:var(--shu);font-size:22px;letter-spacing:.12em;font-weight:700}
.mark .eyebrow{flex:1;border-top:1px solid var(--rule);padding-top:8px}
section{padding-block:clamp(64px,9vw,120px)}
.h2{font-size:clamp(32px,4.6vw,56px);letter-spacing:-.01em}
.lede{font-size:clamp(18px,1.6vw,21px);color:var(--ink);max-width:36em}
.prose{max-width:38em;display:grid;gap:1.1em;color:var(--muted)}
.prose strong{color:var(--ink);font-weight:700}

.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 22px;font:700 15px/1 var(--body);letter-spacing:.04em;text-decoration:none;border:1px solid var(--ink);background:var(--ink);color:var(--paper);cursor:pointer;transition:background .2s,color .2s,border-color .2s}
.btn:hover{background:var(--shu);border-color:var(--shu);color:#fff}
.btn.ghost{background:transparent;color:var(--ink)}
.btn.ghost:hover{border-color:var(--shu);color:var(--shu);background:transparent}

/* footer */
.site-foot{background:var(--band);color:var(--band-ink);padding-block:64px 40px}
.site-foot .grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:40px}
.site-foot h3{font-size:22px;margin-bottom:12px}
.site-foot p,.site-foot li{color:var(--band-muted);font-size:15px}
.site-foot ul{list-style:none;padding:0;margin:0;display:grid;gap:6px}
.site-foot a{text-decoration:none}.site-foot a:hover{color:var(--band-ink);text-decoration:underline}
.foot-kanji{font-family:var(--display);font-size:clamp(56px,10vw,120px);line-height:1;color:var(--shu);letter-spacing:.08em;margin-top:48px;border-top:1px solid #2F2B28;padding-top:32px;display:flex;justify-content:space-between;align-items:end;gap:16px;flex-wrap:wrap}
.foot-kanji small{font:400 13px/1.5 var(--body);color:var(--band-muted);letter-spacing:.04em}
.jks{display:flex;gap:14px;align-items:center}
.jks img{width:56px;background:#fff;padding:4px}
@media (max-width:820px){.site-foot .grid{grid-template-columns:1fr}}

/* page header for inner pages */
.page-head{padding-block:clamp(56px,8vw,96px) clamp(32px,4vw,48px);border-bottom:1px solid var(--rule)}
.page-head h1{font-size:clamp(40px,7vw,84px);letter-spacing:-.015em;margin-top:14px}
.page-head p{margin-top:18px}