:root {
  color-scheme: light;
  --color-text: #14314d;
  --color-text-soft: #4d647a;
  --color-surface: #ffffff;
  --color-surface-alt: #f5fbff;
  --color-border: rgba(20, 49, 77, 0.12);
  --color-shadow: rgba(29, 84, 132, 0.12);
  --font-sans: "Hiragino Sans", "Noto Sans JP", sans-serif;
  --container-width: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-text);
  background:
    radial-gradient(circle at top, rgba(167, 217, 255, 0.45), transparent 35%),
    linear-gradient(180deg, #f5fbff 0%, #ffffff 24%, #ffffff 100%);
  line-height: 1.7;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
}

.container {
  width: min(calc(100% - 32px), var(--container-width));
  margin: 0 auto;
}

.section,
.lead,
.hero,
.cta-band {
  padding: 88px 0;
}

.section--alt {
  background: var(--color-surface-alt);
}

.section-heading {
  margin-bottom: 28px;
}

.section-heading h2,
.lead h2,
.cta-band h2 {
  margin: 0;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  line-height: 1.2;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--color-accent);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero {
  padding-top: 56px;
}

.hero__grid,
.info-grid,
.cta-band__inner {
  display: grid;
  gap: 32px;
  align-items: center;
}

.hero__grid {
  grid-template-columns: 1.15fr 0.85fr;
}

.hero h1 {
  margin: 0;
  font-size: clamp(2.3rem, 5vw, 4.5rem);
  line-height: 1.08;
}

.hero__copy {
  margin: 24px 0 0;
  font-size: 1.05rem;
  color: var(--color-text-soft);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.hero__visual img,
.case-card img {
  width: 100%;
  border-radius: 24px;
  box-shadow: 0 20px 60px var(--color-shadow);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
}

.button--primary {
  background: var(--color-accent);
  color: #fff;
}

.button--ghost {
  border: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.8);
}

.section-card,
.card,
.case-card,
.price-card,
.faq-item,
.info-list {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 24px;
  box-shadow: 0 16px 40px var(--color-shadow);
}

.section-card {
  padding: 40px;
}

.card-grid,
.pricing-grid,
.case-grid {
  display: grid;
  gap: 20px;
}

.card-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.case-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.pricing-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card,
.price-card {
  padding: 24px;
}

.card h3,
.case-card h3,
.price-card__value {
  margin: 0 0 12px;
}

.card p,
.case-card p,
.price-card__note,
.faq-item p,
.info-list dd,
.lead p,
.cta-band p {
  margin: 0;
  color: var(--color-text-soft);
}

.case-card__body {
  padding: 20px;
}

.price-card__label {
  margin: 0;
  font-weight: 700;
  color: var(--color-text-soft);
}

.price-card__value {
  font-size: 2rem;
  color: var(--color-accent);
}

.faq-list {
  display: grid;
  gap: 16px;
}

.faq-item {
  padding: 22px 24px;
}

.faq-item summary {
  cursor: pointer;
  font-weight: 700;
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item p {
  margin-top: 12px;
}

.info-grid {
  grid-template-columns: 0.95fr 1.05fr;
}

.info-list {
  padding: 24px;
}

.info-list div + div {
  margin-top: 16px;
}

.info-list dt {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--color-text-soft);
}

.info-list dd {
  margin-top: 6px;
}

.map-frame {
  width: 100%;
  min-height: 420px;
  border: 0;
  border-radius: 24px;
  box-shadow: 0 16px 40px var(--color-shadow);
}

.cta-band {
  background:
    linear-gradient(135deg, rgba(19, 117, 197, 0.92), rgba(10, 63, 122, 0.92)),
    linear-gradient(180deg, #0d5fa2, #0b4d87);
  color: #fff;
}

.cta-band p {
  color: rgba(255, 255, 255, 0.88);
}

.cta-band .eyebrow {
  color: rgba(255, 255, 255, 0.72);
}

.cta-band__inner {
  grid-template-columns: 1fr auto;
}

@media (max-width: 900px) {
  .hero__grid,
  .info-grid,
  .cta-band__inner,
  .card-grid,
  .pricing-grid,
  .case-grid {
    grid-template-columns: 1fr;
  }

  .section,
  .lead,
  .hero,
  .cta-band {
    padding: 72px 0;
  }
}