* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Noto Sans JP", "Yu Gothic", sans-serif;
  color: #1f2937;
  line-height: 1.8;
  background: #fff;
}
a {
  color: inherit;
  text-decoration: none;
}
.container {
  width: min(1100px, calc(100% - 40px));
  margin: 0 auto;
}
.header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255,255,255,.96);
  border-bottom: 1px solid #e5e7eb;
}
.header-inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}
.logo {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: .04em;
}
nav {
  display: flex;
  gap: 24px;
  font-size: 14px;
}
nav a:hover {
  opacity: .6;
}
.hero {
  padding: 120px 0 130px;
  background: linear-gradient(135deg, #f7f9fc, #eef3f8);
}
.eyebrow, .section-label {
  font-size: 13px;
  letter-spacing: .16em;
  font-weight: 700;
  margin: 0 0 10px;
}
.hero h1 {
  font-size: clamp(40px, 6vw, 72px);
  line-height: 1.2;
  margin: 0 0 28px;
  letter-spacing: -.03em;
}
.lead {
  max-width: 720px;
  font-size: 18px;
  color: #4b5563;
  margin-bottom: 36px;
}
.button {
  display: inline-block;
  padding: 12px 24px;
  background: #111827;
  color: #fff;
  border-radius: 4px;
  font-weight: 600;
}
.button:hover {
  opacity: .85;
}
.section {
  padding: 90px 0;
}
.gray {
  background: #f7f8fa;
}
.section h2 {
  font-size: 36px;
  line-height: 1.3;
  margin: 0 0 32px;
}
.section > .container > p:not(.section-label) {
  max-width: 800px;
}
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.card {
  background: #fff;
  padding: 32px;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
}
.card h3 {
  margin-top: 0;
  font-size: 22px;
}
.message-box {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 50px;
  align-items: center;
}
.profile-placeholder {
  min-height: 300px;
  display: grid;
  place-items: center;
  text-align: center;
  background: #e5e7eb;
  color: #6b7280;
}
.position {
  font-weight: 700;
  font-size: 18px;
}
.company table {
  width: 100%;
  max-width: 850px;
  border-collapse: collapse;
  background: #fff;
}
.company th, .company td {
  padding: 16px 20px;
  border: 1px solid #e5e7eb;
  text-align: left;
}
.company th {
  width: 180px;
  background: #f3f4f6;
}
.contact {
  text-align: center;
}
.contact p:not(.section-label) {
  margin: 0 auto 30px;
}
.footer {
  background: #111827;
  color: #fff;
  padding: 35px 0;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 30px;
}
.footer p {
  margin: 5px 0 0;
  color: #cbd5e1;
}
.copyright {
  align-self: end;
  color: #9ca3af;
  font-size: 13px;
}
@media (max-width: 760px) {
  nav {
    display: none;
  }
  .hero {
    padding: 80px 0;
  }
  .section {
    padding: 65px 0;
  }
  .cards {
    grid-template-columns: 1fr;
  }
  .message-box {
    grid-template-columns: 1fr;
    gap: 25px;
  }
  .profile-placeholder {
    min-height: 240px;
  }
  .company th {
    width: 110px;
  }
  .footer-inner {
    flex-direction: column;
  }
}
