/* Gariban PDF サイト共通スタイル
   monosus.app のトンマナ（生成りの紙と墨）に合わせ、Gariban のインク青（#0031d8）だけを差す。
   ページ固有のスタイルは各 HTML の <style> に置く。読み込み側は ?v= を上げてキャッシュを切り替える。 */

:root {
  --paper: #f5f3ee;
  --card: #fffdf9;
  --band: #e9e5db;
  --ink: #16181d;
  --ink-soft: #555a63;
  --line: #dcd7cc;
  --line-strong: #bdb6a8;
  --gari: #0031d8;
  --gari-hover: #0017c1;
  --gari-pale: #e3eafd;
  --on-gari: #ffffff;
  --ok: #1f6b4a;
  --ok-pale: #dcebe2;
  --warn: #b4531c;
  --warn-pale: #f6e3d6;
  --code-bg: #1f2430;
  --code-fg: #e6e6e6;
  --mark-rusu: #1f6b4a;
  --mark-rip: #0a7a82;
  --focus: #e8a33a;

  --font-display: "Zen Kaku Gothic New", "Hiragino Sans", sans-serif;
  --font-body: "Noto Sans JP", "Hiragino Sans", "Yu Gothic", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, Menlo, monospace;

  --wrap: 1120px;
  --wrap-doc: 880px;
  --gutter: clamp(16px, 4vw, 40px);
  --section-gap: clamp(72px, 10vw, 128px);
  --radius: 18px;
  --shadow: 0 1px 0 rgba(22, 24, 29, .04), 0 18px 40px -24px rgba(22, 24, 29, .28);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #121417; --card: #1b1e23; --band: #0c0e10;
    --ink: #eceae4; --ink-soft: #a3a7ae; --line: #2d3138; --line-strong: #444a53;
    --gari: #84a0ff; --gari-hover: #a5baff; --gari-pale: #1c2546; --on-gari: #0d0f12;
    --ok: #5cc18f; --ok-pale: #1b3428; --warn: #f0905a; --warn-pale: #3a2418;
    --code-bg: #0c0e10;
    --mark-rusu: #5cc18f; --mark-rip: #4cc6cc;
    --shadow: 0 1px 0 rgba(0, 0, 0, .2), 0 18px 40px -24px rgba(0, 0, 0, .7);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #121417; --card: #1b1e23; --band: #0c0e10;
  --ink: #eceae4; --ink-soft: #a3a7ae; --line: #2d3138; --line-strong: #444a53;
  --gari: #84a0ff; --gari-hover: #a5baff; --gari-pale: #1c2546; --on-gari: #0d0f12;
  --ok: #5cc18f; --ok-pale: #1b3428; --warn: #f0905a; --warn-pale: #3a2418;
  --code-bg: #0c0e10;
  --mark-rusu: #5cc18f; --mark-rip: #4cc6cc;
  --shadow: 0 1px 0 rgba(0, 0, 0, .2), 0 18px 40px -24px rgba(0, 0, 0, .7);
  color-scheme: dark;
}

/* ---------- ベース ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font-family: var(--font-body); font-size: 1rem; line-height: 1.85; letter-spacing: .02em;
  -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
h1, h2, h3, h4, p, ul, ol, dl, dd, figure, pre { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img { max-width: 100%; display: block; }
a { color: var(--gari); text-underline-offset: 3px; }
a:hover { color: var(--gari-hover); text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; border-radius: 6px; }

.skip { position: absolute; left: -9999px; top: 8px; z-index: 100; background: var(--ink); color: var(--paper); padding: 8px 16px; }
.skip:focus { left: 8px; }
.wrap {
  width: 100%; max-width: var(--wrap); margin-inline: auto;
  padding-left: max(var(--gutter), env(safe-area-inset-left, 0px));
  padding-right: max(var(--gutter), env(safe-area-inset-right, 0px));
}
.wrap--doc { max-width: var(--wrap-doc); }
.eyebrow { font-family: var(--font-mono); font-size: .75rem; letter-spacing: .16em; text-transform: uppercase; color: var(--ink-soft); }
.ln { display: inline-block; }

/* ---------- ヘッダー ---------- */
.site-header {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 20;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-header__inner { display: flex; align-items: center; justify-content: space-between; gap: 8px 20px; min-height: 64px; flex-wrap: wrap; }
.logo { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); font-family: var(--font-display); font-weight: 900; font-size: 1.125rem; white-space: nowrap; }
.logo:hover { color: var(--ink); }
.logo img { width: 30px; height: 30px; border-radius: 7px; }
.logo small { font-family: var(--font-body); font-weight: 500; font-size: .75rem; color: var(--ink-soft); }
.site-nav { display: flex; align-items: center; gap: 22px; font-size: .875rem; }
.site-nav__links { display: flex; align-items: center; gap: 22px; }
.site-nav a { text-decoration: none; color: var(--ink); white-space: nowrap; }
.site-nav__links a:hover { text-decoration: underline; text-underline-offset: 4px; color: var(--ink); }
.site-nav__links a[aria-current="page"] { font-weight: 700; text-decoration: underline; text-decoration-color: var(--gari); text-decoration-thickness: 2px; text-underline-offset: 6px; }
.site-nav__cta { background: var(--gari); padding: 6px 16px; border-radius: 999px; font-weight: 700; }
.site-nav a.site-nav__cta, .site-nav a.site-nav__cta:hover { color: var(--on-gari); }
.site-nav__cta:hover { background: var(--gari-hover); }
@media (max-width: 820px) {
  .site-header__inner { padding-top: 10px; }
  .site-nav { display: contents; }
  .logo small { display: none; }
  .site-nav__links { order: 3; width: 100%; overflow-x: auto; gap: 18px; padding-bottom: 10px; font-size: .8125rem; }
}

/* ---------- ボタン ---------- */
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }
.btn {
  display: inline-flex; align-items: center; gap: 8px; padding: 12px 22px; border-radius: 999px;
  font-weight: 700; font-size: .9375rem; text-decoration: none; border: 1.5px solid transparent; cursor: pointer;
  transition: transform .18s ease, background-color .18s ease, border-color .18s ease;
}
.btn:hover { transform: translateY(-2px); text-decoration: none; }
.btn--gari, .btn--gari:hover { background: var(--gari); color: var(--on-gari); }
.btn--gari:hover { background: var(--gari-hover); }
.btn--ghost, .btn--ghost:hover { border-color: var(--line-strong); color: var(--ink); }
.btn--ghost:hover { border-color: var(--ink); }

/* ---------- 下層ページの見出し帯 ---------- */
.page-hero { padding-block: clamp(40px, 6vw, 72px) clamp(32px, 5vw, 56px); border-bottom: 1px solid var(--line); }
.page-hero__title { font-family: var(--font-display); font-weight: 900; font-size: clamp(2rem, 4.6vw, 3.25rem); line-height: 1.2; margin-top: 12px; text-wrap: balance; }
.page-hero__lead { margin-top: 16px; color: var(--ink-soft); max-width: 40em; }

/* ---------- セクション ---------- */
.section { padding-block: var(--section-gap); border-top: 1px solid var(--line); }
.section--band { background: var(--band); }
.section__head { max-width: 720px; margin-bottom: clamp(36px, 5vw, 64px); }
.section__title { font-family: var(--font-display); font-weight: 900; font-size: clamp(1.75rem, 3.6vw, 2.625rem); line-height: 1.35; margin-top: 12px; text-wrap: balance; }
.section__lead { margin-top: 16px; color: var(--ink-soft); }

/* チェック付きリスト */
.points { display: grid; gap: 6px; }
.points li { position: relative; padding-left: 26px; font-size: .9375rem; }
.points li::before { content: ""; position: absolute; left: 2px; top: .62em; width: 12px; height: 7px; border-left: 2.5px solid var(--gari); border-bottom: 2.5px solid var(--gari); transform: rotate(-45deg); }

/* スクリーンショット */
.shot { min-width: 0; border-radius: 12px; overflow: hidden; border: 1px solid var(--line); background: var(--card); }
.shot img { width: 100%; height: auto; }
.shot figcaption { padding: 8px 14px; font-size: .75rem; color: var(--ink-soft); border-top: 1px solid var(--line); }

/* 縦線つきのステップ */
.steps { position: relative; display: grid; gap: 18px; min-width: 0; }
.steps::before { content: ""; position: absolute; left: 19px; top: 20px; bottom: 20px; width: 2px; background: var(--line-strong); }
.step { display: grid; grid-template-columns: 40px 1fr; gap: 18px; align-items: start; position: relative; }
.step__num {
  width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center;
  background: var(--gari); color: var(--on-gari); font-family: var(--font-mono); font-weight: 600; font-size: .9375rem;
  box-shadow: 0 0 0 6px var(--step-ring, var(--paper));
}
.section--band .step__num { --step-ring: var(--band); }
.step__card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 20px; min-width: 0; }
.step__what { font-family: var(--font-display); font-weight: 700; font-size: 1.0625rem; line-height: 1.5; }
.step__note { color: var(--ink-soft); font-size: .875rem; margin-top: 4px; }

/* 表 */
.table-scroll { overflow-x: auto; border: 1px solid var(--line); border-radius: 14px; background: var(--card); }
.table-scroll table { width: 100%; min-width: 560px; border-collapse: collapse; font-size: .9375rem; }
.table-scroll th, .table-scroll td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
.table-scroll tr:last-child > * { border-bottom: 0; }
.table-scroll thead th, .table-scroll tr:first-child > th { font-family: var(--font-display); font-weight: 700; border-bottom: 2px solid var(--ink); }

/* ---------- ドキュメント本文（利用方法・ガイド） ---------- */
.doc { padding-block: clamp(40px, 6vw, 64px) var(--section-gap); }
.doc > section + section { margin-top: clamp(56px, 7vw, 88px); padding-top: clamp(40px, 5vw, 56px); border-top: 1px solid var(--line); }
.doc h2 { font-family: var(--font-display); font-weight: 900; font-size: clamp(1.5rem, 3vw, 2rem); line-height: 1.35; margin-bottom: 20px; text-wrap: balance; }
.doc h3 { font-family: var(--font-display); font-weight: 700; font-size: 1.1875rem; line-height: 1.5; margin: 36px 0 12px; }
.doc h4 { font-family: var(--font-display); font-weight: 700; font-size: 1rem; line-height: 1.5; margin: 24px 0 8px; }
.doc p { color: var(--ink-soft); margin-bottom: 14px; }
.doc p strong, .doc li strong, .doc b { color: var(--ink); }
.doc ul, .doc ol { margin: 0 0 18px 1.4em; }
.doc ul { list-style: disc; }
.doc ol { list-style: decimal; }
.doc li { color: var(--ink-soft); margin-bottom: 6px; }
.doc li::marker { color: var(--line-strong); }
.doc ol > li::marker { font-family: var(--font-mono); font-size: .875em; color: var(--gari); }
.doc table { width: 100%; border-collapse: collapse; font-size: .9375rem; }
.doc .table-scroll { margin: 16px 0 20px; }
.doc td, .doc th { color: var(--ink); }
.doc td code, .doc th code { white-space: nowrap; }

code {
  font-family: var(--font-mono); font-size: .85em; background: var(--gari-pale); color: var(--ink);
  padding: .1em .4em; border-radius: 4px; overflow-wrap: anywhere;
}
pre {
  background: var(--code-bg); color: var(--code-fg); border-radius: 12px;
  padding: 18px 20px; overflow-x: auto; margin: 14px 0 20px; font-size: .8125rem; line-height: 1.65;
}
pre code { background: none; color: inherit; padding: 0; font-size: inherit; overflow-wrap: normal; }
kbd {
  font-family: var(--font-mono); font-size: .8em; background: var(--card); border: 1px solid var(--line-strong);
  border-bottom-width: 2px; border-radius: 5px; padding: .05em .45em; color: var(--ink);
}

/* 注記ボックス：情報＝インク青、注意＝柿色、良い点＝緑 */
.note, .info-box, .warning-box, .success-box {
  --c: var(--gari); --c-pale: var(--gari-pale);
  background: var(--card); border: 1px solid var(--line); border-left: 4px solid var(--c);
  border-radius: 10px; padding: 14px 18px; margin: 18px 0; font-size: .9375rem;
}
.warning-box { --c: var(--warn); }
.success-box { --c: var(--ok); }
.note > :last-child, .info-box > :last-child, .warning-box > :last-child, .success-box > :last-child { margin-bottom: 0; }

/* 目次 */
.toc { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 24px; }
.toc__title { font-family: var(--font-mono); font-size: .75rem; letter-spacing: .16em; text-transform: uppercase; color: var(--ink-soft); margin-bottom: 8px; }
.toc ol { display: grid; grid-template-columns: repeat(auto-fill, minmax(14em, 1fr)); gap: 4px 24px; counter-reset: toc; margin: 0; list-style: none; }
.toc li { counter-increment: toc; margin: 0; }
.toc a { text-decoration: none; color: var(--ink); display: flex; gap: 10px; }
.toc a::before { content: counter(toc, decimal-leading-zero); font-family: var(--font-mono); font-size: .75rem; color: var(--gari); padding-top: .3em; }
.toc a:hover { color: var(--gari); }

/* コピーボタン */
.copy-wrapper { position: relative; }
.copy-btn, .inline-copy-btn {
  font-family: var(--font-body); font-weight: 700; cursor: pointer; border-radius: 999px;
  transition: background-color .2s, border-color .2s, color .2s;
}
.copy-btn { position: absolute; top: 10px; right: 10px; background: var(--gari); color: var(--on-gari); border: 0; padding: 5px 14px; font-size: .75rem; }
.copy-btn:hover { background: var(--gari-hover); }
.inline-copy { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.inline-copy-btn { background: var(--card); color: var(--gari); border: 1px solid var(--line-strong); padding: 2px 12px; font-size: .75rem; }
.inline-copy-btn:hover { border-color: var(--gari); }
.copy-btn.copied, .inline-copy-btn.copied { background: var(--ok); border-color: var(--ok); color: var(--on-gari); }

/* ---------- フッター ---------- */
.site-footer { border-top: 1px solid var(--line); padding-block: 44px 28px; font-size: .875rem; }
.site-footer__inner { display: flex; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.site-footer__note { color: var(--ink-soft); font-size: .8125rem; margin-top: 12px; max-width: 36em; }
.site-footer__links { display: grid; grid-template-columns: repeat(2, auto); gap: 6px 32px; align-content: start; }
.site-footer__links a { text-decoration: none; color: var(--ink); }
.site-footer__links a:hover { text-decoration: underline; text-underline-offset: 4px; }
.family { display: inline-flex; align-items: center; gap: 8px; margin-top: 18px; font-family: var(--font-display); font-weight: 700; font-size: .875rem; text-decoration: none; color: var(--ink); }
.family:hover { color: var(--ink); text-decoration: underline; text-underline-offset: 4px; }
.family__mark { display: inline-grid; grid-template-columns: repeat(3, 5px); gap: 3px; }
.family__mark i { width: 5px; height: 16px; border-radius: 3px; }
.family__mark i:nth-child(1) { background: var(--mark-rusu); }
.family__mark i:nth-child(2) { background: var(--gari); transform: translateY(3px); }
.family__mark i:nth-child(3) { background: var(--mark-rip); }
.site-footer__copy { color: var(--ink-soft); font-family: var(--font-mono); font-size: .75rem; margin-top: 28px; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}