/*
 * 原初商会の公開トップと同じ色・書体を使う拡張機能ページ用スタイル。
 * 抽出元: https://geneshokai.com/style.css（2026-11-06取得）
 */
:root {
  --ink: #2e2a26;
  --ink-soft: #6b645c;
  --paper: #faf8f4;
  --line: #d8d2c8;
  --accent: #8a7b62;
  --white: #fff;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Hiragino Mincho ProN", "Yu Mincho", "YuMincho", "Noto Serif JP", serif;
  line-height: 1.9;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--ink); text-underline-offset: .2em; }
a:hover { color: var(--accent); }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
.site-header,
.site-footer {
  width: min(100% - 2.8rem, 60rem);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}
.site-header { padding: 1.8rem 0; border-bottom: 1px solid var(--line); }
.site-footer { padding: 2rem 0 2.4rem; border-top: 1px solid var(--line); color: var(--ink-soft); font-size: .78rem; }
.brand { font-size: 1rem; letter-spacing: .35em; text-decoration: none; }
.header-contact { font-size: .82rem; letter-spacing: .12em; color: var(--ink-soft); }
main { width: min(100% - 2.8rem, 48rem); margin: 0 auto; padding: 3.5rem 0 5rem; }
.eyebrow { margin: 0 0 1rem; color: var(--accent); font-family: Georgia, "Times New Roman", serif; font-size: .72rem; letter-spacing: .3em; }
h1 { margin: 0 0 1rem; font-size: clamp(1.9rem, 5vw, 2.7rem); font-weight: 500; line-height: 1.4; }
h2 { margin: 3rem 0 1rem; padding-bottom: .5rem; border-bottom: 1px solid var(--accent); font-size: 1.2rem; font-weight: 500; }
h3 { margin: 2rem 0 .5rem; font-size: 1rem; font-weight: 500; }
p { margin: 0 0 1.2rem; }
.lead { margin-bottom: 2rem; color: var(--ink-soft); font-size: 1.05rem; }
.meta { color: var(--ink-soft); font-size: .85rem; }
.actions { display: flex; flex-wrap: wrap; gap: .8rem; margin: 2rem 0; }
.button { display: inline-block; padding: .6rem 1.2rem; border: 1px solid var(--accent); border-radius: 999px; text-decoration: none; font-size: .9rem; }
.button-primary { color: var(--white); background: var(--ink); border-color: var(--ink); }
.button-primary:hover { color: var(--white); background: var(--accent); }
.card { margin: 1.5rem 0; padding: 1.4rem; border: 1px solid var(--line); background: rgb(255 255 255 / 35%); }
ul { padding-left: 1.5rem; }
li { margin: .4rem 0; }
code { padding: .05em .25em; background: rgb(138 123 98 / 10%); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: .88em; overflow-wrap: anywhere; }
.language-block { margin-top: 3.5rem; padding-top: 2rem; border-top: 1px solid var(--line); }
.language-block h2 { margin-top: 0; }
.footer-links { display: flex; flex-wrap: wrap; gap: .8rem 1.5rem; }
@media (max-width: 560px) {
  .site-header { align-items: flex-start; flex-direction: column; }
  main { padding-top: 2.5rem; }
  .site-footer { align-items: flex-start; flex-direction: column; }
}