/* Catch Log — 開発元サイト共通スタイル（先進的・テック系ダークテーマ）
   ブランド: 濃紺(#01173B) を基盤に ティール→シアン のグラデーションアクセント。 */

:root {
  --bg: #060a14;
  --bg-soft: #0b1426;
  --ink: #eaf0fb;
  --muted: #93a4c0;
  --teal: #22e0c6;
  --cyan: #46a9ff;
  --indigo: #6d8bff;
  --border: rgba(255, 255, 255, 0.10);
  --card: rgba(255, 255, 255, 0.045);
  --radius: 18px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Noto Sans JP", "Inter", sans-serif;
  line-height: 1.85;
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  position: relative;
  overflow-x: hidden;
}
/* 背景のグラデーション・グロー＋微細グリッド */
body::before {
  content: ""; position: fixed; inset: 0; z-index: -2; pointer-events: none;
  background:
    radial-gradient(60% 50% at 80% -5%, rgba(34, 224, 198, 0.16), transparent 60%),
    radial-gradient(55% 45% at 10% 0%, rgba(70, 169, 255, 0.16), transparent 55%),
    radial-gradient(80% 60% at 50% 110%, rgba(109, 139, 255, 0.10), transparent 60%),
    var(--bg);
}
body::after {
  content: ""; position: fixed; inset: 0; z-index: -1; pointer-events: none; opacity: .5;
  background-image:
    linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(circle at 50% 20%, #000 0%, transparent 75%);
  -webkit-mask-image: radial-gradient(circle at 50% 20%, #000 0%, transparent 75%);
}

a { color: var(--cyan); text-decoration: none; }
a:hover { color: var(--teal); }

/* ---- ヒーロー ---- */
.hero { text-align: center; padding: 88px 20px 36px; }
.hero .badge {
  display: inline-block; width: 88px; height: 88px; margin-bottom: 22px;
  border-radius: 24px; overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: 0 0 0 1px rgba(34,224,198,.15), 0 18px 50px rgba(34, 224, 198, 0.18);
}
.hero .badge img { width: 100%; height: 100%; display: block; object-fit: cover; }
.hero .eyebrow {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  letter-spacing: .32em; font-size: .72rem; font-weight: 600;
  color: var(--teal); margin: 0 0 10px; text-indent: .32em;
}
.hero h1 {
  font-size: clamp(2.4rem, 6vw, 3.4rem); margin: 0; font-weight: 800; letter-spacing: -.02em;
  background: linear-gradient(100deg, #ffffff 10%, var(--teal) 55%, var(--cyan) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero .tagline { font-size: 1.08rem; color: var(--muted); margin: 14px auto 0; max-width: 30em; }

/* ---- ナビ（セグメント風グラスピル） ---- */
nav.tabs {
  position: sticky; top: 16px; z-index: 10;
  display: flex; gap: 4px; justify-content: center; width: fit-content; margin: 26px auto 0;
  padding: 5px; border-radius: 999px;
  background: rgba(255, 255, 255, 0.05); border: 1px solid var(--border);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
}
nav.tabs a {
  color: var(--muted); padding: 8px 22px; border-radius: 999px; font-size: .9rem; font-weight: 600;
}
nav.tabs a:hover { color: var(--ink); }
nav.tabs a[aria-current="page"] {
  color: #04121f;
  background: linear-gradient(100deg, var(--teal), var(--cyan));
  box-shadow: 0 6px 20px rgba(34, 224, 198, 0.3);
}

/* ---- 本文 ---- */
main { max-width: 800px; margin: 0 auto; padding: 36px 20px 90px; }
.updated {
  color: var(--muted); font-size: .82rem; margin: 0 0 6px;
  font-family: ui-monospace, "SF Mono", Menlo, monospace; letter-spacing: .04em;
}
.lead { font-size: 1.08rem; color: #c6d2e6; margin-top: .2em; }

.card {
  position: relative;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 28px;
  margin: 16px 0;
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(255,255,255,.04) inset, 0 20px 40px rgba(0, 0, 0, 0.25);
  transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.card:hover {
  transform: translateY(-3px);
  border-color: rgba(34, 224, 198, 0.4);
  box-shadow: 0 1px 0 rgba(255,255,255,.06) inset, 0 26px 56px rgba(0, 0, 0, 0.35);
}
.card h2 {
  font-size: 1.18rem; margin: 0 0 .65em; padding-left: 16px; position: relative;
  color: var(--ink); letter-spacing: -.01em;
}
.card h2::before {
  content: ""; position: absolute; left: 0; top: .15em; bottom: .15em; width: 4px; border-radius: 4px;
  background: linear-gradient(var(--teal), var(--cyan));
  box-shadow: 0 0 12px rgba(34, 224, 198, 0.6);
}
ul { padding-left: 1.25em; margin: .5em 0; }
li { margin: .42em 0; }
strong { color: #fff; }
code { background: rgba(70,169,255,.14); color: #bfe0ff; padding: 1px 6px; border-radius: 6px; font-size: .9em; }

/* 連絡先などの強調カード */
.highlight {
  background:
    radial-gradient(120% 140% at 0% 0%, rgba(34,224,198,.14), transparent 55%),
    radial-gradient(120% 140% at 100% 0%, rgba(70,169,255,.12), transparent 55%),
    var(--card);
  border-color: rgba(34, 224, 198, 0.3);
}
.email { font-size: 1.18rem; font-weight: 700; margin: .4em 0; }
.email a { color: var(--teal); }

footer {
  text-align: center; color: var(--muted); font-size: .84rem;
  padding: 34px 20px 56px; margin-top: 24px;
  border-top: 1px solid var(--border);
}
footer .dot { opacity: .4; margin: 0 8px; }

/* ---- アプリ ランディング用 ---- */
.actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin: 8px 0 6px; }
.store-btn {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 13px 26px; border-radius: 14px; font-weight: 700; font-size: 1rem;
  color: #04121f; background: linear-gradient(100deg, var(--teal), var(--cyan));
  box-shadow: 0 10px 30px rgba(34, 224, 198, 0.3);
}
.store-btn:hover { color: #04121f; filter: brightness(1.06); }
.store-btn.soon {
  color: var(--muted); background: rgba(255,255,255,.05);
  border: 1px solid var(--border); box-shadow: none; cursor: default;
}
.btn-ghost {
  display: inline-flex; align-items: center; padding: 13px 24px; border-radius: 14px;
  font-weight: 600; color: var(--ink); border: 1px solid var(--border); background: rgba(255,255,255,.04);
}
.btn-ghost:hover { color: var(--teal); border-color: rgba(34,224,198,.4); }

.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 14px; margin: 18px 0; }
.feature {
  background: var(--card); border: 1px solid var(--border); border-radius: 16px; padding: 20px 22px;
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  transition: transform .25s ease, border-color .25s ease;
}
.feature:hover { transform: translateY(-3px); border-color: rgba(34, 224, 198, 0.4); }
.feature .ico { font-size: 1.7rem; margin-bottom: 8px; }
.feature h3 { margin: 0 0 4px; font-size: 1.02rem; }
.feature p { margin: 0; color: var(--muted); font-size: .92rem; line-height: 1.7; }

.section-title { text-align: center; font-size: 1.5rem; margin: 48px 0 6px; letter-spacing: -.01em; }
.section-sub { text-align: center; color: var(--muted); margin: 0 0 18px; }

/* ---- スクショ ギャラリー ---- */
.shots {
  display: flex; gap: 16px; overflow-x: auto; padding: 10px 20px 20px; margin: 0 -20px;
  scroll-snap-type: x mandatory; -webkit-overflow-scrolling: touch;
}
.shots::-webkit-scrollbar { height: 0; }
.shot { flex: 0 0 232px; scroll-snap-align: center; }
.shot img {
  width: 100%; display: block; border-radius: 20px;
  border: 1px solid var(--border); box-shadow: 0 20px 44px rgba(0, 0, 0, 0.45);
}
.shot p { color: var(--muted); font-size: .88rem; margin: 12px 6px 0; text-align: center; line-height: 1.6; }

/* ---- 上部ヘッダーバー（他アプリと統一） ---- */
.topbar {
  position: sticky; top: 0; z-index: 30;
  background: rgba(6, 10, 20, 0.72);
  -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.topbar-in {
  max-width: 980px; margin: 0 auto; padding: 9px 18px;
  display: flex; align-items: center; justify-content: space-between;
}
.topbar .brand { display: flex; align-items: center; gap: 10px; font-weight: 800; letter-spacing: -.01em; color: var(--ink); }
.topbar .brand:hover { color: var(--ink); }
.topbar .brand img { width: 28px; height: 28px; border-radius: 8px; display: block; }
.topbar .cta {
  padding: 8px 16px; border-radius: 999px; font-weight: 700; font-size: .85rem;
  color: #04121f; background: linear-gradient(100deg, var(--teal), var(--cyan));
}
.topbar .cta:hover { color: #04121f; filter: brightness(1.06); }
.topbar .cta.soon { color: var(--muted); background: rgba(255,255,255,.05); border: 1px solid var(--border); cursor: default; }
/* セグメントメニューは上部バーの下に重なって固定 */
nav.tabs { top: 60px; }

/* ---- 上部バー内ナビ ---- */
.bar-nav { display: flex; gap: 2px; }
.bar-nav a { color: var(--muted); padding: 6px 12px; border-radius: 999px; font-size: .85rem; font-weight: 600; white-space: nowrap; }
.bar-nav a:hover { color: var(--ink); }
.bar-nav a[aria-current="page"] {
  color: #04121f; background: linear-gradient(100deg, var(--teal), var(--cyan));
}
@media (max-width: 430px) {
  .topbar .brand-name { display: none; }
  .bar-nav a { padding: 6px 10px; }
}