@charset "UTF-8";

:root {
  --bg: #f5f4f0;
  --surface: #ffffff;
  --surface2: #f0efe9;
  --border: #e0ddd4;
  --text: #1a1916;
  --text2: #6b6860;
  --text3: #a09d96;
  --accent: #2a5c45;
  --accent-light: #e8f2ed;
  --warn: #8a5c00;
  --warn-light: #fdf6e3;
  --info: #1a4a7a;
  --info-light: #e8f0fa;
  --radius: 10px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Hiragino Sans', 'Hiragino Kaku Gothic ProN', 'Yu Gothic', YuGothic, Meiryo, sans-serif;
  background: var(--bg); color: var(--text); line-height: 1.8;
}
header { background: var(--accent); color: #fff; padding: 20px 20px 18px; }
header .site-name { font-size: 12px; opacity: 0.7; margin-bottom: 4px; }
header .site-name a { color: #fff; text-decoration: none; }
header h1 { font-size: 17px; font-weight: 700; line-height: 1.5; }
.container { max-width: 680px; margin: 0 auto; padding: 28px 16px 60px; }
.breadcrumb { font-size: 12px; color: var(--text3); margin-bottom: 20px; }
.breadcrumb a { color: var(--text3); text-decoration: none; }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb span { margin: 0 6px; }
.global-nav {
  background: var(--surface); border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 100;
}
.nav-container {
  max-width: 640px; margin: 0 auto;
  display: flex; gap: 12px; padding: 12px 16px;
  overflow-x: auto; white-space: nowrap;
}
.nav-container a {
  color: var(--text); text-decoration: none; font-size: 13px; font-weight: 600;
  padding: 6px 14px; border-radius: 20px; background: var(--surface2);
  transition: background 0.15s, color 0.15s;
}
.nav-container a:hover { background: var(--accent-light); color: var(--accent); }
.footer { text-align: center; font-size: 12px; color: var(--text3); margin-top: 40px; line-height: 2.2; }
.footer a { color: var(--text3); text-decoration: none; }
.footer a:hover { color: var(--accent); }
.footer-sep { margin: 0 6px; }