/* デモページ：エディタの画面にサイトのヘッダーを載せる。
   style.css はエディタの本文（見出し・表・コード）にも効くので読み込まず、ヘッダーだけを style.css・language.css と同じ見た目で写す。 */
body[data-embed="site"] { display: flex; flex-direction: column; height: 100dvh; }
body[data-embed="site"] #root { flex: 1; min-height: 0; height: auto; }

.site-samples { flex-shrink: 0; padding: 8px 16px; border-bottom: 1px solid var(--line); background: var(--surface); color: var(--text); }
.site-sample-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; }
.site-samples button { padding: 5px 10px; border: 1px solid var(--line); border-radius: 5px; background: transparent; color: inherit; font: inherit; font-size: 13px; cursor: pointer; }
.site-samples button[aria-pressed="true"] { background: var(--hover); font-weight: 600; }
.site-samples button:focus-visible { outline: 2px solid currentColor; outline-offset: 2px; }
.site-samples button:disabled { opacity: .5; cursor: default; }
.site-samples p { margin: 5px 0 0; font-size: 12px; color: var(--muted); }
@media print { .site-samples { display: none; } }

.site-header { --bg: #ffffff; --ink: #1a1a1a; --accent: #2f6aa3; --ink-2: #555555; --line: #e6e6e6; flex-shrink: 0; background: var(--bg); color: var(--ink); border-bottom: 1px solid var(--line); font-family: "Segoe UI", "Yu Gothic UI", "Hiragino Sans", "Noto Sans JP", sans-serif; font-size: 16px; line-height: 1.85; -webkit-font-smoothing: antialiased; }
.site-header * { box-sizing: border-box; }
.site-header a { color: inherit; }
.site-header a:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; border-radius: 4px; }
.site-header .wrap { display: flex; align-items: center; gap: 28px; max-width: 1080px; height: 58px; margin: 0 auto; padding: 0 24px; }
.site-header .brand { display: flex; align-items: center; gap: 10px; text-decoration: none; font-size: 18px; font-weight: 300; letter-spacing: 0.02em; }
.site-header .brand img { display: block; width: 26px; height: 26px; }
.site-header nav { display: flex; gap: 32px; margin-left: auto; font-size: 14px; letter-spacing: 0.04em; color: var(--ink-2); }
.site-header nav a { text-decoration: none; }
.site-header nav a:hover { color: var(--ink); }
/* 今いるページは style.css と同じ差し色で示す。ヘッダーは白地に固定なので、ダークモードでも同じ色を使う */
.site-header nav a[aria-current="page"] { color: var(--accent); }
.site-header .language-switch { display: inline-flex; gap: 8px; flex-shrink: 0; font-size: 13px; margin-left: 12px; }
.site-header .language-switch a { text-decoration: underline; text-underline-offset: 3px; }
.site-header .language-switch [aria-current] { font-weight: 700; text-decoration: none; }
.site-header .btn { display: inline-flex; align-items: center; justify-content: center; height: 34px; padding: 0 16px; border-radius: 6px; border: 1px solid var(--ink); font-size: 13.5px; letter-spacing: 0.02em; text-decoration: none; white-space: nowrap; transition: background .15s ease, color .15s ease; }
.site-header .btn:hover { background: var(--ink); color: var(--bg); }
@media (max-width: 860px) {
  .site-header nav { display: none; }
  .site-header .btn { margin-left: auto; }
}
@media (max-width: 560px) {
  .site-header .wrap { height: auto; min-height: 60px; flex-wrap: wrap; gap: 8px 12px; padding-top: 12px; padding-bottom: 12px; }
  .site-header .language-switch { margin-left: auto; }
  .site-header .btn { margin-left: 0; }
}
@media print { .site-header { display: none; } }