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

body {
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  color: #172033;
  background: #fff;
  line-height: 1.75;
}

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

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

.demo-bar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: #10192b;
  color: #fff;
  border-bottom: 1px solid rgba(255,255,255,.16);
}

.demo-inner,
.nav,
.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

.demo-inner {
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  font-size: 13px;
  font-weight: 800;
}

.demo-inner a {
  color: #fff;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.site-header {
  background: #fff;
  border-bottom: 1px solid #dde4ee;
}

.nav {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  font-size: 22px;
  font-weight: 900;
}

.nav-links {
  display: flex;
  gap: 22px;
  color: #5f6b7a;
  font-size: 14px;
  font-weight: 800;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 11px 20px;
  border-radius: 999px;
  font-weight: 900;
}

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

.hero {
  min-height: 72vh;
  color: #fff;
  display: flex;
  align-items: center;
  background:
    linear-gradient(90deg, rgba(16,25,43,.9), rgba(16,25,43,.52)),
    var(--hero-image) center / cover no-repeat;
}

.hero-copy {
  max-width: 700px;
  padding: 84px 0;
}

.eyebrow {
  display: inline-flex;
  margin-bottom: 18px;
  padding: 7px 13px;
  border-radius: 999px;
  background: rgba(255,255,255,.16);
  border: 1px solid rgba(255,255,255,.34);
  font-size: 13px;
  font-weight: 900;
}

h1 {
  font-size: 52px;
  line-height: 1.2;
  letter-spacing: 0;
}

.lead {
  margin-top: 20px;
  max-width: 640px;
  color: rgba(255,255,255,.88);
  font-size: 18px;
}

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

section {
  padding: 72px 0;
}

.soft {
  background: #f5f8fb;
}

.section-head {
  margin-bottom: 30px;
}

.kicker {
  margin-bottom: 8px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: .08em;
}

h2 {
  font-size: 34px;
  line-height: 1.35;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.card {
  padding: 24px;
  border: 1px solid #dde4ee;
  border-radius: 8px;
  background: #fff;
}

.card h3 {
  font-size: 20px;
}

.card p,
.section-head p {
  margin-top: 8px;
  color: #5f6b7a;
}

.story {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 34px;
  align-items: start;
}

.story-panel {
  position: sticky;
  top: 72px;
  padding: 28px;
  border-radius: 8px;
  color: #fff;
  background: var(--accent);
}

.story-panel p {
  margin-top: 10px;
  color: rgba(255,255,255,.86);
}

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

.story-item {
  padding: 24px;
  border: 1px solid #dde4ee;
  border-radius: 8px;
  background: #fff;
}

.story-item b {
  display: block;
  margin-bottom: 6px;
  color: var(--accent);
  font-size: 13px;
  letter-spacing: .08em;
}

.story-item h3 {
  font-size: 22px;
}

.story-item p {
  margin-top: 8px;
  color: #5f6b7a;
}

.info-band {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 24px;
  align-items: stretch;
}

.info-photo {
  min-height: 340px;
  border-radius: 8px;
  background: var(--hero-image) center / cover no-repeat;
}

.info-panel {
  padding: 30px;
  border-radius: 8px;
  background: #10192b;
  color: #fff;
}

.info-panel p {
  margin-top: 10px;
  color: rgba(255,255,255,.78);
}

.list {
  display: grid;
  gap: 10px;
  margin-top: 20px;
  list-style: none;
}

.list li {
  padding: 12px 14px;
  border-radius: 8px;
  background: rgba(255,255,255,.1);
}

.voice-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.voice {
  padding: 24px;
  border-radius: 8px;
  background: #fff;
  border: 1px solid #dde4ee;
}

.voice strong {
  display: block;
  color: var(--accent);
  font-size: 14px;
}

.voice p {
  margin-top: 8px;
  color: #5f6b7a;
}

.cta {
  color: #fff;
  background: #10192b;
}

.cta .container {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: center;
}

.cta p {
  margin-top: 8px;
  color: rgba(255,255,255,.78);
}

.sample-contact {
  background: #fff;
}

.sample-contact-head {
  max-width: 720px;
}

.sample-contact-head p {
  margin-top: 10px;
  color: #5f6b7a;
}

.sample-contact-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 28px;
}

.sample-contact-card {
  display: grid;
  gap: 10px;
  min-height: 172px;
  padding: 24px;
  border: 1px solid #dde4ee;
  border-radius: 8px;
  background: #f8fbff;
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}

.sample-contact-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: 0 18px 40px rgba(16,25,43,.08);
}

.sample-contact-card b {
  color: var(--accent);
  font-size: 18px;
}

.sample-contact-card span {
  color: #172033;
  font-size: 20px;
  font-weight: 900;
  word-break: break-word;
}

.sample-contact-card small {
  color: #5f6b7a;
  font-weight: 700;
}

.footer {
  padding: 26px 24px;
  color: #5f6b7a;
  text-align: center;
  border-top: 1px solid #dde4ee;
  font-size: 13px;
}

@media (max-width: 820px) {
  .nav-links {
    display: none;
  }

  h1 {
    font-size: 38px;
  }

  .grid,
  .grid-2,
  .info-band,
  .story,
  .voice-grid,
  .sample-contact-grid,
  .cta .container {
    grid-template-columns: 1fr;
  }

  .story-panel {
    position: static;
  }
}

@media (max-width: 560px) {
  .demo-inner,
  .nav,
  .container {
    padding: 0 18px;
  }

  .demo-inner {
    align-items: flex-start;
    flex-direction: column;
    padding-top: 10px;
    padding-bottom: 10px;
  }

  h1 {
    font-size: 32px;
  }

  h2 {
    font-size: 27px;
  }

  .hero-actions .btn,
  .cta .btn {
    width: 100%;
  }
}