/* ===== abundant web 制作営業LP 共通スタイル ===== */
:root {
  --white: #ffffff;
  --off-white: #fbfbfd;
  --gray-50: #f5f5f7;
  --gray-100: #eeeef0;
  --gray-200: #d2d2d7;
  --gray-400: #86868b;
  --gray-600: #515154;
  --gray-800: #1d1d1f;
  --black: #111111;
  --accent: #ff6b1a;
  --accent-strong: #ff5500;
  --accent-soft: #ff8c42;
  --orange-50: #fff4ec;
  --orange-100: #ffe4d0;
  --container-w: 1240px;
  --tight-w: 900px;
  --font-jp: 'Noto Sans JP', sans-serif;
  --font-en: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --ease-out: cubic-bezier(.2,.8,.2,1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-jp);
  color: var(--black);
  line-height: 1.6;
  background: #fff;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }

/* Header */
.header {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 16px 32px;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0,0,0,0.04);
  transition: background 0.3s ease;
}
.header-inner {
  max-width: var(--container-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo { display: flex; align-items: center; gap: 10px; }
.logo-img { height: 28px; width: auto; }
.nav { display: flex; gap: 28px; align-items: center; }
.nav a {
  font-family: var(--font-jp);
  font-size: 13px;
  color: var(--gray-600);
  transition: color 0.2s;
}
.nav a:hover { color: var(--accent); }
.nav .en {
  font-family: var(--font-en);
  font-size: 10px;
  display: block;
  letter-spacing: 0.15em;
  color: var(--gray-400);
  margin-top: 2px;
  text-transform: uppercase;
}
.nav-cta {
  padding: 9px 18px !important;
  background: var(--accent);
  color: #fff !important;
  border-radius: 999px;
  font-weight: 600;
  transition: background 0.25s, transform 0.2s;
}
.nav-cta:hover {
  background: var(--accent-strong);
  transform: translateY(-1px);
}

/* Common section */
.section {
  padding: 140px 32px;
}
.container { max-width: var(--container-w); margin: 0 auto; }
.container-tight { max-width: var(--tight-w); margin: 0 auto; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px 32px;
  border-radius: 999px;
  font-family: var(--font-jp);
  font-weight: 600;
  font-size: 16px;
  text-decoration: none;
  transition: all 0.25s ease;
  letter-spacing: 0.02em;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 8px 24px -6px rgba(255, 107, 26, 0.35);
}
.btn-primary:hover {
  background: var(--accent-strong);
  transform: translateY(-2px);
  box-shadow: 0 14px 30px -8px rgba(255, 107, 26, 0.5);
}
.btn-secondary {
  background: #fff;
  color: var(--black);
  border: 1px solid var(--gray-200);
}
.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-1px);
}

/* Reveal animation */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.12s; }
.reveal-delay-2 { transition-delay: 0.24s; }
.reveal-delay-3 { transition-delay: 0.36s; }

/* Watermark */
.has-watermark {
  position: relative;
  overflow: hidden;
}
.has-watermark::before {
  content: "";
  position: absolute;
  top: 50%; left: 50%;
  width: 80%;
  aspect-ratio: 1;
  max-width: 700px;
  background-image: url("/assets/logo-watermark.png");
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  transform: translate(-50%, -50%);
  pointer-events: none;
  z-index: 0;
  opacity: 0.045;
}
.has-watermark > * { position: relative; z-index: 1; }

/* Footer */
.footer {
  padding: 80px 32px 40px;
  background: var(--gray-800);
  color: #fff;
}
.footer-inner { max-width: var(--container-w); margin: 0 auto; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 48px;
}
.footer-brand .logo-img { filter: brightness(0) invert(1); height: 32px; margin-bottom: 16px; }
.footer-brand p {
  font-size: 13px;
  color: var(--gray-400);
  line-height: 1.8;
}
.footer-col h5 {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gray-400);
  margin-bottom: 16px;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; }
.footer-col a {
  font-size: 14px;
  color: #fff;
  transition: color 0.2s;
}
.footer-col a:hover { color: var(--accent); }
.footer-copyright {
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 12px;
  color: var(--gray-400);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

@media (max-width: 900px) {
  .section { padding: 80px 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .nav { display: none; }
  .nav-cta { display: inline-flex !important; padding: 8px 14px !important; font-size: 12px; }
  .nav { display: flex; }
  .nav a:not(.nav-cta) { display: none; }
}

/* Section common */
.section-eyebrow {
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}
.section-title {
  font-weight: 600;
  font-size: clamp(32px, 5vw, 56px);
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  color: var(--black);
}
.section-title .accent { color: var(--accent); }
.section-lede {
  font-size: 17px;
  line-height: 1.9;
  color: var(--gray-600);
  max-width: 720px;
}