/* Blade Cat — LP 共通スタイル（軽量・依存なし） */
:root {
  --bg: #0e0b14;
  --bg-soft: #171221;
  --card: #1d1730;
  --ink: #f5f2ef;
  --ink-dim: #b6aec6;
  --orange: #ff7a3c;
  --red: #e23b4e;
  --line: #2c2440;
  --radius: 18px;
  --maxw: 1080px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Noto Sans JP", system-ui, sans-serif;
  background: radial-gradient(1200px 700px at 70% -10%, #2a1530 0%, var(--bg) 55%) no-repeat, var(--bg);
  color: var(--ink);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--orange); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

/* ---- nav ---- */
.nav {
  position: sticky; top: 0; z-index: 10;
  backdrop-filter: blur(10px);
  background: rgba(14, 11, 20, 0.7);
  border-bottom: 1px solid var(--line);
}
.nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.nav .brand { display: flex; align-items: center; gap: 10px; font-weight: 800; letter-spacing: .02em; }
.nav .brand img { width: 30px; height: 30px; border-radius: 8px; }
.nav .links { display: flex; gap: 18px; font-size: 14px; }
.nav .links a { color: var(--ink-dim); }

/* ---- hero ---- */
.hero { text-align: center; padding: 70px 0 50px; }
.hero .icon {
  width: 132px; height: 132px; border-radius: 28px;
  box-shadow: 0 20px 60px rgba(226, 59, 78, .35), 0 8px 20px rgba(0,0,0,.5);
  margin-bottom: 26px;
}
.hero h1 {
  font-size: clamp(40px, 8vw, 76px); font-weight: 900; letter-spacing: -0.02em; line-height: 1.02;
  background: linear-gradient(100deg, var(--orange), var(--red));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero .sub { font-size: clamp(17px, 3.4vw, 22px); color: var(--ink); margin-top: 14px; font-weight: 700; }
.hero .tag { font-size: 16px; color: var(--ink-dim); margin-top: 14px; max-width: 560px; margin-left: auto; margin-right: auto; }

.cta { display: inline-flex; align-items: center; gap: 10px; margin-top: 30px;
  background: linear-gradient(100deg, var(--orange), var(--red)); color: #fff;
  font-weight: 800; font-size: 17px; padding: 15px 30px; border-radius: 999px;
  box-shadow: 0 12px 30px rgba(226,59,78,.4); transition: transform .15s ease; }
.cta:hover { transform: translateY(-2px); text-decoration: none; }
.cta.secondary { background: var(--card); color: var(--ink); box-shadow: none; border: 1px solid var(--line); }

.badge17 { display: inline-block; margin-top: 22px; margin-left: 12px; border: 1.5px solid var(--ink-dim);
  color: var(--ink-dim); font-size: 12px; font-weight: 800; padding: 5px 10px; border-radius: 8px; vertical-align: middle; }

/* ---- features ---- */
.section { padding: 56px 0; }
.section h2 { text-align: center; font-size: clamp(26px, 5vw, 38px); font-weight: 900; margin-bottom: 10px; }
.section .lead { text-align: center; color: var(--ink-dim); margin-bottom: 40px; }

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feat { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; }
.feat .emoji { font-size: 30px; }
.feat h3 { font-size: 19px; margin: 14px 0 8px; }
.feat p { color: var(--ink-dim); font-size: 15px; }

/* ---- gallery ---- */
.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.shot { aspect-ratio: 9 / 19.5; border-radius: 16px; overflow: hidden; border: 1px solid var(--line);
  background: linear-gradient(160deg, #221a36, #14101f); display: flex; align-items: center; justify-content: center; }
.shot img { width: 100%; height: 100%; object-fit: cover; display: block; }
.shot .ph { color: var(--ink-dim); font-size: 13px; text-align: center; padding: 16px; }

/* ---- bottom cta ---- */
.bottom { text-align: center; padding: 60px 0; }
.bottom h2 { font-size: clamp(26px, 5vw, 40px); font-weight: 900; }

/* ---- footer ---- */
.footer { border-top: 1px solid var(--line); padding: 34px 0; color: var(--ink-dim); font-size: 14px; }
.footer .wrap { display: flex; flex-wrap: wrap; gap: 14px; justify-content: space-between; align-items: center; }
.footer .links { display: flex; gap: 18px; }
.footer .links a { color: var(--ink-dim); }
.footer .note { font-size: 12px; opacity: .8; width: 100%; }

/* ---- doc pages (privacy / support) ---- */
.doc { padding: 50px 0 70px; }
.doc h1 { font-size: clamp(28px, 6vw, 42px); font-weight: 900; margin-bottom: 6px; }
.doc .updated { color: var(--ink-dim); font-size: 14px; margin-bottom: 30px; }
.doc h2 { font-size: 20px; margin: 30px 0 10px; }
.doc p, .doc li { color: var(--ink-dim); }
.doc ul { padding-left: 22px; }
.doc li { margin: 6px 0; }
.doc .back { display: inline-block; margin-bottom: 24px; font-size: 14px; }
.doc .box { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 24px; margin: 20px 0; }

@media (max-width: 760px) {
  .grid { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: repeat(2, 1fr); }
  .nav .links { gap: 12px; }
}