/* ── BONX FUSION ランディングページ スタイル ── */

:root {
  --bonx-bg:       #111;
  --bonx-card:     #1a1a1a;
  --bonx-card2:    #222;
  --bonx-border:   #2e2e2e;
  --bonx-accent:   #a0d137;
  --bonx-accent-h: #8bbf2a;
  --bonx-text:     #fff;
  --bonx-muted:    #999;
}

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

body {
  font-family: 'Poppins', 'Noto Sans JP', sans-serif;
  background: var(--bonx-bg);
  color: var(--bonx-text);
  min-height: 100vh;
  line-height: 1.6;
}

a { color: inherit; text-decoration: none; }

/* ── ヘッダー ── */
.lp-header {
  background: rgba(17, 17, 17, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--bonx-border);
  position: sticky;
  top: 0;
  z-index: 50;
}
.lp-header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ── ロゴ ── */
.lp-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.lp-logo-mark {
  position: relative;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--bonx-text);
  flex-shrink: 0;
}
.lp-logo-mark::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 130%;
  height: 2px;
  background: var(--bonx-bg);
  transform: translate(-50%, -50%) rotate(-30deg);
  border-radius: 2px;
}
.lp-logo-mark--sm { width: 18px; height: 18px; }
.lp-logo-text {
  font-family: 'Poppins', sans-serif;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.12em;
}
.lp-logo-sub { font-weight: 400; letter-spacing: 0.2em; color: var(--bonx-accent); }

/* ── ボタン ── */
.lp-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
  text-decoration: none;
  font-family: inherit;
  letter-spacing: 0.04em;
  white-space: nowrap;
}
.lp-btn--primary {
  background: var(--bonx-accent);
  color: #111;
  border: 2px solid transparent;
  padding: 10px 24px;
  font-size: 14px;
}
.lp-btn--primary:hover { background: var(--bonx-accent-h); }
.lp-btn--outline {
  background: transparent;
  color: var(--bonx-text);
  border: 2px solid var(--bonx-border);
  padding: 10px 24px;
  font-size: 14px;
}
.lp-btn--outline:hover { border-color: var(--bonx-accent); color: var(--bonx-accent); }
.lp-btn--ghost {
  background: transparent;
  color: var(--bonx-muted);
  border: 1px solid var(--bonx-border);
  padding: 8px 18px;
  font-size: 13px;
}
.lp-btn--ghost:hover { color: var(--bonx-text); border-color: #444; }
.lp-btn--lg { padding: 14px 32px; font-size: 15px; }

/* ── ヒーロー ── */
.lp-hero {
  min-height: calc(100vh - 57px);
  display: flex;
  align-items: center;
  padding: 80px 24px 60px;
  background: radial-gradient(ellipse 80% 60% at 70% 40%, rgba(160, 209, 55, 0.06) 0%, transparent 60%);
}
.lp-hero-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  width: 100%;
}
.lp-hero-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  color: var(--bonx-accent);
  background: rgba(160, 209, 55, 0.1);
  border: 1px solid rgba(160, 209, 55, 0.3);
  border-radius: 20px;
  padding: 4px 14px;
  margin-bottom: 20px;
  letter-spacing: 0.08em;
}
.lp-hero-title {
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 20px;
  letter-spacing: -0.01em;
}
.lp-accent { color: var(--bonx-accent); }
.lp-hero-desc {
  font-size: 15px;
  color: #ccc;
  line-height: 1.75;
  margin-bottom: 32px;
  max-width: 480px;
}
.lp-hero-cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
.lp-hero-note {
  font-size: 12px;
  color: var(--bonx-muted);
}

/* ヒーロービジュアル */
.lp-hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}
.lp-visual-card {
  background: var(--bonx-card);
  border: 1px solid var(--bonx-border);
  border-radius: 20px;
  padding: 48px 40px;
  width: 100%;
  max-width: 340px;
  text-align: center;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(160, 209, 55, 0.1);
}
.lp-visual-wave {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  height: 64px;
  margin-bottom: 20px;
}
.lp-wave-bar {
  width: 6px;
  border-radius: 3px;
  background: var(--bonx-accent);
  animation: wave 1.2s ease-in-out infinite;
}
.lp-wave-bar--1 { height: 20px; animation-delay: 0s; opacity: 0.5; }
.lp-wave-bar--2 { height: 36px; animation-delay: 0.1s; opacity: 0.65; }
.lp-wave-bar--3 { height: 52px; animation-delay: 0.2s; }
.lp-wave-bar--4 { height: 64px; animation-delay: 0.3s; }
.lp-wave-bar--5 { height: 52px; animation-delay: 0.4s; }
.lp-wave-bar--6 { height: 36px; animation-delay: 0.5s; opacity: 0.65; }
.lp-wave-bar--7 { height: 20px; animation-delay: 0.6s; opacity: 0.5; }
@keyframes wave {
  0%, 100% { transform: scaleY(0.6); }
  50%       { transform: scaleY(1); }
}
.lp-visual-label {
  font-size: 13px;
  color: var(--bonx-muted);
  letter-spacing: 0.06em;
}

/* ── セクション共通 ── */
.lp-section-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 80px 24px;
  text-align: center;
}
.lp-section-title {
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}
.lp-section-desc {
  font-size: 15px;
  color: #aaa;
  margin-bottom: 48px;
}

/* ── 機能カード ── */
.lp-features { background: rgba(26, 26, 26, 0.6); border-top: 1px solid var(--bonx-border); border-bottom: 1px solid var(--bonx-border); }
.lp-features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 20px;
}
.lp-feature-card {
  background: var(--bonx-card2);
  border: 1px solid var(--bonx-border);
  border-radius: 14px;
  padding: 28px 24px;
  text-align: left;
  transition: border-color 0.2s, transform 0.2s;
}
.lp-feature-card:hover { border-color: rgba(160, 209, 55, 0.4); transform: translateY(-2px); }
.lp-feature-icon { font-size: 28px; margin-bottom: 14px; line-height: 1; }
.lp-feature-title {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 8px;
}
.lp-feature-desc {
  font-size: 13px;
  color: #aaa;
  line-height: 1.65;
}

/* ── はじめ方 ── */
.lp-how-steps {
  list-style: none;
  display: flex;
  gap: 32px;
  justify-content: center;
  margin-bottom: 48px;
}
.lp-how-step {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  text-align: left;
  max-width: 260px;
}
.lp-how-num {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bonx-accent);
  color: #111;
  font-weight: 700;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.lp-how-title { font-size: 15px; font-weight: 700; margin-bottom: 6px; }
.lp-how-desc { font-size: 13px; color: #aaa; line-height: 1.6; }
.lp-how-cta { display: flex; justify-content: center; }

/* ── フッター ── */
.lp-footer {
  border-top: 1px solid var(--bonx-border);
  padding: 24px;
  background: #0d0d0d;
}
.lp-footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.lp-footer-brand { display: flex; align-items: center; gap: 8px; }
.lp-footer-name { font-size: 13px; font-weight: 600; letter-spacing: 0.1em; color: var(--bonx-muted); }
.lp-footer-copy { font-size: 12px; color: #555; }

/* ── レスポンシブ ── */
@media (max-width: 768px) {
  .lp-hero { padding: 48px 20px 40px; min-height: unset; }
  .lp-hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .lp-hero-visual { order: -1; }
  .lp-visual-card { max-width: 280px; padding: 32px 24px; }
  .lp-hero-cta { flex-direction: column; }
  .lp-btn--lg { width: 100%; text-align: center; }
  .lp-how-steps { flex-direction: column; align-items: center; }
  .lp-footer-inner { flex-direction: column; text-align: center; }
  .lp-lp-header-nav { display: none; }
}

@media (max-width: 480px) {
  .lp-header-inner { padding: 12px 16px; }
  .lp-features-grid { grid-template-columns: 1fr; }
}