:root {
  --blue: #0066FF;
  --ink: #1f2937;
  --muted: #6b7280;
  --line: #e5e7eb;
  --bg: #f8f9fc;
  --card: #ffffff;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.8;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI",
    "Hiragino Kaku Gothic ProN", "Noto Sans JP", Meiryo, sans-serif;
  -webkit-text-size-adjust: 100%;
}
.wrap { max-width: 720px; margin: 0 auto; padding: 28px 20px 72px; }
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
h2 {
  font-size: 1.05rem; margin: 40px 0 12px; padding-left: 10px;
  border-left: 4px solid var(--blue); line-height: 1.5;
}

/* ---- トップ ---- */
.site-head { padding: 12px 0 4px; }
.site-head h1 { font-size: 1.4rem; margin: 0 0 4px; letter-spacing: .01em; }
.site-head p { color: var(--muted); margin: 0; font-size: .95rem; }

.apps { list-style: none; padding: 0; margin: 24px 0 0; }
.apps li { margin: 0 0 12px; }
.app-card {
  display: flex; align-items: center; gap: 14px;
  background: var(--card); border: 1px solid var(--line); border-radius: 14px;
  padding: 14px 16px; color: inherit; text-decoration: none;
  transition: border-color .15s, box-shadow .15s;
}
.app-card:hover {
  text-decoration: none; border-color: var(--blue);
  box-shadow: 0 2px 10px rgba(0, 102, 255, .08);
}
.app-card img { width: 56px; height: 56px; border-radius: 13px; flex: none; }
.app-card .name { display: block; font-weight: 700; font-size: 1.02rem; line-height: 1.5; }
.app-card .desc { display: block; color: var(--muted); font-size: .88rem; line-height: 1.6; }
.app-card .os { display: block; color: var(--muted); font-size: .78rem; margin-top: 2px; }
.chev { margin-left: auto; color: var(--line); font-size: 1.3rem; flex: none; }

/* ---- アプリページ ---- */
.crumb { font-size: .85rem; color: var(--muted); margin-bottom: 20px; }
.lang { float: right; }
.hero { text-align: center; padding: 8px 0 4px; }
.hero img.icon { width: 88px; height: 88px; border-radius: 20px; }
.hero h1 { font-size: 1.55rem; margin: 14px 0 6px; }
.hero .tagline { color: var(--muted); margin: 0 auto; max-width: 26em; }
.stores {
  display: flex; gap: 12px; justify-content: center; align-items: center;
  flex-wrap: wrap; margin: 24px 0 4px;
}
.store { display: inline-flex; }
.store:hover { text-decoration: none; }
.store img { display: block; }
.store img.apple { height: 44px; }
.store img.google { height: 57px; }

.rail {
  display: flex; gap: 12px; overflow-x: auto; margin: 28px -20px 0; padding: 4px 20px 14px;
  scroll-snap-type: x mandatory; -webkit-overflow-scrolling: touch;
}
.rail figure { margin: 0; flex: none; scroll-snap-align: center; width: 190px; }
.rail.wide figure { width: 300px; }
.rail img {
  width: 100%; display: block; border: 1px solid var(--line);
  border-radius: 14px; background: #fff;
}
.rail figcaption { font-size: .8rem; color: var(--muted); text-align: center; margin-top: 8px; }

.feat { padding-left: 0; list-style: none; margin: 0; }
.feat li { position: relative; padding-left: 18px; margin: 6px 0; }
.feat li::before {
  content: ""; position: absolute; left: 2px; top: .78em;
  width: 6px; height: 6px; border-radius: 50%; background: var(--blue);
}

.spec { margin: 0; border-top: 1px solid var(--line); }
.spec .row { display: flex; gap: 16px; border-bottom: 1px solid var(--line); padding: 9px 2px; }
.spec dt { flex: none; width: 8.5em; color: var(--muted); font-size: .9rem; margin: 0; }
.spec dd { margin: 0; font-size: .95rem; }

.log { margin: 0; padding: 0; list-style: none; }
.log li { border-bottom: 1px solid var(--line); padding: 9px 2px; font-size: .95rem; }
.log .ver { font-weight: 700; margin-right: 10px; }
.log .date { color: var(--muted); font-size: .85rem; margin-left: 10px; }

footer.foot {
  margin-top: 48px; padding-top: 18px; border-top: 1px solid var(--line);
  color: var(--muted); font-size: .88rem;
}
footer.foot p { margin: 4px 0; }