:root {
  --bg: #f7f6f2;
  --card: #ffffff;
  --ink: #1d2433;
  --muted: #6b7280;
  --line: #e6e3db;
  --accent: #0f6e5c;
  --accent-soft: #e3f1ec;
  --low: #c2410c;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12151b;
    --card: #1a1f27;
    --ink: #e8eaee;
    --muted: #9aa3b2;
    --line: #2a313c;
    --accent: #4fc3a1;
    --accent-soft: #183229;
    --low: #fb923c;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0 auto;
  max-width: 760px;
  padding: 0 16px 40px;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.7 system-ui, -apple-system, "Hiragino Sans", "Noto Sans JP", sans-serif;
}
a { color: var(--accent); }
.top { display: flex; justify-content: space-between; align-items: center; padding: 18px 0 6px; }
.brand { font-weight: 800; font-size: 28px; text-decoration: none; color: var(--ink); letter-spacing: .01em; }
.lang { font-size: 14px; }
.hero h1 { font-size: 34px; line-height: 1.3; margin: 22px 0 8px; }
.hero p { color: var(--muted); margin: 0 0 8px; }
h1 { font-size: 24px; line-height: 1.4; }
h1, h2 { word-break: auto-phrase; }
h2 { font-size: 18px; margin-top: 32px; }
h3 { font-size: 15px; color: var(--muted); margin: 20px 0 6px; }
.cards { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 10px; }
.card {
  display: flex; align-items: flex-start; gap: 12px; padding: 14px 16px; background: var(--card);
  border: 1px solid var(--line); border-radius: 12px; text-decoration: none; color: var(--ink);
}
.card:hover { border-color: var(--accent); }
.card-body { display: grid; gap: 2px; min-width: 0; }
.ico {
  flex: none; display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%;
  background: var(--accent-soft); color: var(--accent);
}
.ico svg { transform: rotate(45deg); }
.route { font-weight: 700; }
.price { font-size: 22px; font-weight: 800; color: var(--accent); }
.price small { font-size: 12px; font-weight: 600; color: var(--muted); }
.when, .meta { font-size: 13px; color: var(--muted); }
.best { background: var(--accent-soft); border-radius: 14px; padding: 16px 18px; }
.best p { margin: 2px 0; }
.big { font-size: 34px; font-weight: 800; color: var(--accent); }
.btn {
  display: inline-block; margin-top: 10px; padding: 10px 18px; border-radius: 999px;
  background: var(--accent); color: #fff; text-decoration: none; font-weight: 700;
}
.days { list-style: none; padding: 0; margin: 0; }
.days li {
  display: grid; grid-template-columns: 7.5em 1fr 6.5em auto; align-items: center; gap: 10px;
  padding: 6px 0; border-bottom: 1px solid var(--line); font-size: 14px;
}
.days .s { grid-column: 1 / 4; color: var(--muted); font-size: 12px; margin-top: -6px; }
.days li > a { grid-column: 4; grid-row: 1; font-size: 13px; white-space: nowrap; }
.bar { height: 8px; background: var(--line); border-radius: 4px; overflow: hidden; }
.bar i { display: block; height: 100%; background: var(--accent); }
.p { text-align: right; font-variant-numeric: tabular-nums; font-weight: 600; }
.low .bar i { background: var(--low); }
.low .p { color: var(--low); }
.offers { padding-left: 1.2em; }
.chips { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin: 4px 0 6px; font-size: 14px; }
.chips span { color: var(--muted); margin-right: 4px; }
.chips a {
  padding: 4px 12px; border: 1px solid var(--line); border-radius: 999px;
  background: var(--card); color: var(--ink); text-decoration: none;
}
.chips a[aria-current] { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 700; }
.inbound .card { border-color: var(--accent); }
footer { margin-top: 40px; font-size: 12px; color: var(--muted); border-top: 1px solid var(--line); }
/* ブログ */
.lead { color: var(--muted); }
.crumbs { font-size: 13px; color: var(--muted); margin: 8px 0; }
.posts { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 14px; }
.post-card {
  display: grid; background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  overflow: hidden; text-decoration: none; color: var(--ink);
}
.post-card:hover { border-color: var(--accent); }
.post-card img { width: 100%; height: auto; aspect-ratio: 3 / 2; object-fit: cover; display: block; }
.post-card-body { display: grid; gap: 4px; padding: 12px 14px; }
.post-title { font-weight: 700; line-height: 1.4; }
.post h1 { font-size: 30px; line-height: 1.3; margin-bottom: 4px; }
.hero-img { margin: 16px 0; }
.hero-img img { width: 100%; height: auto; aspect-ratio: 16 / 7; object-fit: cover; border-radius: 14px; display: block; }
.hero-img figcaption { font-size: 12px; color: var(--muted); margin-top: 6px; }
.fly { background: var(--accent-soft); border-radius: 14px; padding: 14px 18px; margin: 16px 0; }
.fly p { margin: 2px 0; }
.fly-label { display: flex; align-items: center; gap: 10px; font-weight: 700; }
.fly .ico { width: 32px; height: 32px; background: var(--card); }
.post-body { font-size: 17px; line-height: 1.85; }
.post-body h2 { font-size: 22px; margin-top: 36px; }
.post-body h3 { font-size: 18px; color: var(--ink); }
.post-body img { max-width: 100%; height: auto; border-radius: 10px; }
.post-body table { width: 100%; border-collapse: collapse; font-size: 15px; }
.post-body th, .post-body td { border-bottom: 1px solid var(--line); padding: 8px 6px; text-align: left; }
.post-body blockquote { margin: 16px 0; padding: 4px 16px; border-left: 4px solid var(--accent); color: var(--muted); }