:root {
  --bg: #f7f6f1;
  --surface: #ffffff;
  --text: #22302b;
  --muted: #5f6b66;
  --accent: #2f6f5e;
  --accent-soft: #e3efe9;
  --border: #dfe3df;
  --warn-bg: #fff6e0;
  --warn-text: #6b4e00;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161b19;
    --surface: #1f2623;
    --text: #e6ece9;
    --muted: #a3b0aa;
    --accent: #7cc4ad;
    --accent-soft: #24352f;
    --border: #2f3a36;
    --warn-bg: #3a3220;
    --warn-text: #f1d58a;
  }
}
* { box-sizing: border-box; }
html, body { overflow-x: hidden; }
body {
  margin: 0;
  overflow-wrap: anywhere;
  background: var(--bg);
  color: var(--text);
  font-family: "Hiragino Sans", "Noto Sans JP", "Yu Gothic UI", sans-serif;
  line-height: 1.8;
}
a { color: var(--accent); }
.wrap { max-width: 760px; margin: 0 auto; padding: 0 16px; }

.site-header { background: var(--surface); border-bottom: 1px solid var(--border); }
.site-header .wrap { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 12px; padding-top: 14px; padding-bottom: 14px; }
.logo { font-weight: 700; font-size: 1.15rem; color: var(--text); text-decoration: none; }
.logo small { display: block; font-size: .72rem; font-weight: 400; color: var(--muted); }
.nav { display: flex; gap: 14px; font-size: .9rem; flex-wrap: wrap; }
.nav a { text-decoration: none; }

.notice { background: var(--warn-bg); color: var(--warn-text); font-size: .82rem; padding: 8px 0; }

.hero { padding: 36px 0 20px; }
.hero h1 { font-size: 1.6rem; line-height: 1.4; margin: 0 0 10px; }
.hero p { color: var(--muted); margin: 0; }

.section-title { font-size: 1.1rem; margin: 28px 0 12px; padding-left: 10px; border-left: 4px solid var(--accent); }

.cats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; }
.cat { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 14px; text-decoration: none; color: var(--text); }
.cat strong { display: block; color: var(--accent); }
.cat span { font-size: .82rem; color: var(--muted); }

.cards { display: grid; gap: 12px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 16px; text-decoration: none; color: var(--text); display: block; }
.card .tag { display: inline-block; font-size: .72rem; background: var(--accent-soft); color: var(--accent); padding: 2px 8px; border-radius: 999px; }
.card h3 { margin: 6px 0 4px; font-size: 1.05rem; line-height: 1.5; }
.card p { margin: 0; font-size: .88rem; color: var(--muted); }
.card.soon { opacity: .6; }

.article { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 22px 18px; margin: 24px 0; }
.article h1 { font-size: 1.4rem; line-height: 1.5; margin: 6px 0 8px; }
.article .meta { font-size: .8rem; color: var(--muted); }
.article h2 { font-size: 1.1rem; margin: 28px 0 8px; padding-bottom: 4px; border-bottom: 2px solid var(--accent-soft); }
.point { background: var(--accent-soft); border-radius: 8px; padding: 12px 14px; margin: 14px 0; }
.photo-slot { border: 2px dashed var(--border); border-radius: 8px; padding: 28px 12px; text-align: center; color: var(--muted); font-size: .85rem; margin: 14px 0; }
.sources { font-size: .8rem; color: var(--muted); }
.breadcrumb { font-size: .8rem; color: var(--muted); margin-top: 16px; }

.site-footer { margin-top: 40px; padding: 24px 0; border-top: 1px solid var(--border); font-size: .8rem; color: var(--muted); }

.pr-label { font-size: .78rem; color: var(--muted); border: 1px solid var(--border); border-radius: 6px; padding: 6px 10px; margin: 10px 0 0; }
.pr-box { border: 1px solid var(--accent); border-radius: 10px; padding: 14px; margin: 16px 0; background: var(--surface); }
.pr-box .pr-tag { display: inline-block; font-size: .7rem; font-weight: 700; color: var(--surface); background: var(--muted); padding: 1px 6px; border-radius: 4px; }
.pr-box strong { display: block; margin: 6px 0 4px; }
.pr-box p { margin: 0 0 10px; font-size: .88rem; color: var(--muted); }
.pr-btn { display: inline-block; background: var(--accent); color: var(--surface); text-decoration: none; padding: 8px 16px; border-radius: 999px; font-size: .9rem; font-weight: 700; }
.ad-slot { border: 1px dashed var(--border); border-radius: 8px; padding: 22px 12px; text-align: center; color: var(--muted); font-size: .78rem; margin: 22px 0; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 8px 16px; margin-bottom: 10px; }
.footer-nav a { text-decoration: none; }
.page h2 { font-size: 1.05rem; margin: 24px 0 6px; }