/* base.css — リセット・素地・和文組版 */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--ff-ja);
  font-size: var(--fs-body);
  line-height: 1.95;
  letter-spacing: .03em;
  font-feature-settings: "palt";
  word-break: normal;
  overflow-wrap: break-word;
  line-break: strict;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, p, figure, ul, ol, dl, dd { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img, picture, svg { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
p, li, dd { word-break: auto-phrase; text-wrap: pretty; }
/* 見出しは keep-all＋<br>で分割点を自分で作る（憲法 2026-09-01） */
h1, h2, h3 { word-break: keep-all; }  /* 分割は <br> で自分で作る。balance は手で入れた改行を組み直すので使わない */
:focus-visible { outline: 2px solid var(--gold-deep); outline-offset: 3px; }
.nb { white-space: nowrap; }
.vh { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}