:root {
  --bg: #0b0c10;
  --card: #0f1117;
  --text: #e9ecf1;
  --muted: #a6adbb;
  --line: rgba(255, 255, 255, .10);
  --accent: #7c5cff; /* 1アクセントカラー */
  --accent2: #4fe3c1; /* 使うならどちらか片方に寄せてもOK */
  --shadow: 0 18px 60px rgba(0, 0, 0, .45);
  --radius: 18px;
  --max: 1120px;
}
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", "Noto Sans JP", "Hiragino Sans", "Yu Gothic", sans-serif;
  background: radial-gradient(1000px 600px at 20% -10%, rgba(124, 92, 255, .20), transparent 60%),
              radial-gradient(900px 500px at 90% 20%, rgba(79, 227, 193, .12), transparent 55%),
              var(--bg);
  color: var(--text);
  line-height: 1.7;
}
.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 22px;
}
a { color: inherit; text-decoration: none; transition: opacity .2s; }
a:hover { opacity: .7; }

/* Header */
header {
  position: sticky;
  top: 0;
  z-index: 999;
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,.05);
}
.nav {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 18px;
}
.brand b {
  display: block;
  font-size: 0;
  width: 76px;
  height: 22px;
  background: url("../assets/type.svg") no-repeat left center/contain;
  margin-top: 2px;
}
.brand span {
  font-size: 12px;
  color: var(--muted);
  font-weight: normal;
}
.logo {
  width: 34px;
  height: 34px;
  border-radius: 12px;
  background: url("../assets/logo.svg") center/cover no-repeat;
  box-shadow: 0 10px 30px rgba(124, 92, 255, .20);
}
.menu {
  display: flex;
  align-items: center;
  gap: 24px;
  font-size: 14px;
  font-weight: 500;
}
.menu a.active {
  color: var(--accent);
}

/* Hero */
.hero {
  padding: 120px 0 80px;
}
.kicker {
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 16px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-size: 13px;
}
.h1 {
  font-size: clamp(40px, 8vw, 72px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
  background: linear-gradient(to right, #fff, #a6adbb);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.sub {
  font-size: clamp(16px, 4vw, 20px);
  color: var(--muted);
  max-width: 680px;
  margin-bottom: 40px;
}
.sub b {
  color: var(--text);
  display: block;
  margin-top: 12px;
  font-weight: 500;
}
.heroActions {
  display: flex;
  gap: 12px;
  margin-bottom: 80px;
}

/* Common */
.section {
  padding: 64px 0;
}
.section.tight {
  padding: 40px 0;
}
.pageTitle {
  padding: 100px 0 40px;
}
.pageTitle h1 {
  font-size: 40px;
  margin: 0 0 16px;
}
.pageTitle p {
  color: var(--muted);
  font-size: 16px;
  max-width: 600px;
}

/* Cards & Grid */
.grid {
  display: grid;
  gap: 16px;
}
.cols-3 { grid-template-columns: repeat(3, 1fr); }
.cols-2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: linear-gradient(180deg, rgba(255, 255, 255, .05), rgba(255, 255, 255, .03));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px; /* Slightly increased padding */
  box-shadow: var(--shadow);
}
.card h3 {
  margin: 0 0 12px;
  font-size: 18px;
}
.card p {
  margin: 0;
  font-size: 14px;
  color: var(--muted);
}
.card .list {
  padding-left: 20px;
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 14px;
}
.card .list li + li {
  margin-top: 6px;
}

/* Badges */
.badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}
.badge {
  font-size: 12px;
  background: rgba(255,255,255,.05);
  border: 1px solid var(--line);
  padding: 4px 8px;
  border-radius: 6px;
  color: var(--muted);
}

/* Steps */
.steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
  margin-top: 24px;
  border-top: 1px solid var(--line);
  padding-top: 24px;
}
.step .num {
  font-size: 12px;
  color: var(--accent);
  font-weight: bold;
  margin-bottom: 8px;
}

/* Form */
.form {
  display: grid;
  gap: 20px;
  margin-top: 24px;
}
.form label {
  display: block;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 6px;
}
.form input, .form textarea, .form select {
  width: 100%;
  box-sizing: border-box;
  background: rgba(0,0,0,.3);
  border: 1px solid var(--line);
  padding: 12px;
  border-radius: 8px;
  color: #fff;
  font-family: inherit;
}
.form input:focus, .form textarea:focus, .form select:focus {
  outline: none;
  border-color: var(--accent);
}
.form textarea { height: 120px; resize: vertical; }

/* Buttons */
.cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 11px 14px;
  border-radius: 14px;
  border: 1px solid rgba(124, 92, 255, .38);
  background: rgba(124, 92, 255, .14);
  color: var(--text);
  font-size: 14px;
  font-weight: 600;
  box-shadow: 0 12px 40px rgba(124, 92, 255, .16);
  cursor: pointer;
}
.cta:hover {
  transform: translateY(-1px);
}
.cta.secondary {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, .06);
  color: var(--text);
  box-shadow: none;
}

/* Misc */
.hr {
  height: 1px;
  background: var(--line);
  margin: 40px 0;
}
.band {
  background: rgba(255,255,255,.03);
  border-radius: var(--radius);
  padding: 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 40px;
}
.band h2 { font-size: 20px; margin: 0 0 4px; }
.band p { margin: 0; color: var(--muted); font-size: 14px; }

/* Footer */
footer {
  border-top: 1px solid var(--line);
  padding: 60px 0;
  margin-top: 80px;
  font-size: 13px;
  color: var(--muted);
}
.footerRow {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
}
.footerLinks {
  display: flex;
  gap: 20px;
}

/* Mobile */
.burger {
  display: none;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, .06);
  color: var(--text);
  border-radius: 14px;
  padding: 10px 12px;
  cursor: pointer;
}
@media (max-width: 900px) {
  .cols-3, .cols-2, .row.cols-2, .steps {
    grid-template-columns: 1fr;
  }
  .band, .footerRow {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
  }
  .burger {
    display: inline-flex;
  }
  .menu {
    display: none;
  }
  .menu.open {
    display: flex;
    position: absolute;
    left: 16px;
    right: 16px;
    top: 74px;
    flex-direction: column;
    border: 1px solid var(--line);
    background: rgba(15, 17, 23, .95);
    border-radius: 18px;
    padding: 16px;
    box-shadow: 0 20px 40px rgba(0,0,0,.5);
  }
  .menu.open a {
    width: 100%;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255,255,255,.05);
  }
  .menu.open a:last-child { border-bottom: none; }
}