/* ページ固有の最小スタイル（必要に応じて app.css へ） */
:root {
  --c-bg: #fff;
  --c-text: #111;
  --c-accent: #111;
  --c-muted: #666;
  --c-border: #e5e5e5;
  --c-surface: #fafafa;
}
body {
  background: var(--c-bg);
  color: var(--c-text);
}
.container {
  max-width: 1080px;
  margin-inline: auto;
  padding-inline: 16px;
}
header {
  position: sticky;
  top: 0;
  background: #fff;
  border-bottom: 1px solid var(--c-border);
  z-index: 10;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  flex-wrap: wrap;
  gap: 12px;
}
.brand {
  display: flex;
  gap: 12px;
  align-items: center;
  font-weight: 700;
  letter-spacing: 0.06em;
}
.brand img {
  height: 28px;
  width: auto;
}
.cta {
  display: inline-block;
  background: var(--c-text);
  color: #fff;
  padding: 12px 20px;
  border-radius: 999px;
  font-weight: 700;
}
.cta--ghost {
  background: transparent;
  border: 1px solid #111;
  color: #111;
}
.hero {
  background: linear-gradient(180deg, #fff, #fcfcfc);
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 24px;
  padding-block: 40px;
}
.hero h1 {
  font-size: clamp(22px, 3.2vw, 36px);
  line-height: 1.2;
  margin: 0 0 12px;
}
.hero .sub {
  color: var(--c-muted);
  margin: 0 0 18px;
}
.kv {
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.06);
}
.section {
  padding-block: 56px;
  border-top: 1px solid var(--c-border);
}
.section h2 {
  font-size: clamp(20px, 2.4vw, 28px);
  margin: 0 0 20px;
  letter-spacing: 0.04em;
}
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  padding: 20px;
  border-radius: 16px;
}
.card h3 {
  margin: 0 0 8px;
  font-size: 18px;
}
.badge {
  display: inline-block;
  background: #111;
  color: #fff;
  font-size: 12px;
  padding: 4px 8px;
  border-radius: 999px;
  margin-left: 8px;
}
.details dl {
  display: grid;
  grid-template-columns: 160px 1fr;
  border: 1px solid var(--c-border);
  border-radius: 12px;
  overflow: hidden;
}
.details dt {
  background: #fff;
  padding: 14px;
  border-bottom: 1px solid var(--c-border);
}
.details dd {
  padding: 14px;
  border-bottom: 1px solid var(--c-border);
  margin: 0;
}
.details dt:last-of-type,
.details dd:last-of-type {
  border-bottom: none;
}
.note {
  font-size: 12px;
  color: var(--c-muted);
}
.faq details {
  border: 1px solid var(--c-border);
  border-radius: 12px;
  padding: 14px;
  background: #fff;
}
.faq details + details {
  margin-top: 12px;
}
.faq summary {
  cursor: pointer;
  font-weight: 700;
}
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.footer {
  padding: 40px 0;
  background: #111;
  color: #fff;
  margin-top: 40px;
}
.small {
  font-size: 12px;
  color: #c9c9c9;
}
.label {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  letter-spacing: 0.08em;
}
.label--new {
  background: #111;
  color: #fff;
}
.label--end {
  background: #e60033;
  color: #fff;
}
input[type="text"],
input[type="email"],
select,
textarea {
  box-sizing: border-box;
  width: 100%;
  padding: 12px;
  border: 1px solid var(--c-border);
  border-radius: 10px;
}

@media (max-width: 900px) {
  .header-inner {
    margin-bottom: 40px;
  }
  .hero-inner {
    grid-template-columns: 1fr;
  }
  .grid-3 {
    grid-template-columns: 1fr;
  }
  .details dl {
    grid-template-columns: 1fr;
  }
  .grid-2 {
    grid-template-columns: 1fr;
  }
  header {
    position: static;
  }
}