* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  color: #111;
  font-family: "LINE Seed JP", sans-serif;
}
main {
  width: 100%;
  overflow-x: hidden;
}
section {
  width: 100%;
  margin-right: 0;
  margin-left: 0;
  scroll-margin-top: 100px;
}
header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1000;
  width: 100%;
  background: #fff;
  box-shadow: 0 4px 28px rgba(0, 0, 0, 0.06);
}
.header-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  max-width: 1400px;
  height: 108px;
  margin: 0 auto;
  padding: 0 40px;
}
.logo img {
  display: block;
  width: 210px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 50px;
}
.nav-links a {
  color: #333;
  font-size: 18px;
  font-weight: 600;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
  transition:
    color 0.3s,
    background-color 0.3s;
}
.nav-links a:hover {
  color: #0070f3;
}
.nav-links .nav-contact {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 12px 22px;
  color: #fff;
  background: #115cff;
  border-radius: 999px;
}
.nav-links .nav-contact:hover {
  color: #fff;
  background: #0047d6;
}
.nav-links .nav-current {
  color: #115cff;
}
.section-inner {
  max-width: 1400px;
  margin: 0 auto;
}

.news-section {
  min-height: 100vh;
  padding: 200px 40px 160px;
  background: #f5f7fa;
}

.news-label {
  margin: 0 0 18px;
  color: #115cff;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.news-title {
  margin: 0 0 64px;
  font-size: clamp(3rem, 4vw, 5rem);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.03em;
}

.news-empty {
  display: grid;
  min-height: 280px;
  max-width: 920px;
  place-items: center;
  color: #666;
  background: #fff;
  border-top: 4px solid #115cff;
}

.news-empty p {
  font-size: 18px;
}

.news-list {
  max-width: 920px;
  background: #fff;
  border-top: 1px solid #dce3ee;
}

.news-item {
  padding: 32px 40px;
  border: 1px solid #dce3ee;
  border-top: 0;
}

.news-item time {
  margin-right: 18px;
  color: #777;
  font-size: 14px;
}

.news-category {
  padding: 5px 10px;
  color: #115cff;
  font-size: 12px;
  font-weight: 700;
  background: #eaf1ff;
}

.news-item h2 {
  margin: 16px 0 0;
  font-size: 20px;
  font-weight: 600;
}
.site-footer {
  padding: 80px 40px 28px;
  color: #fff;
  background-color: #0c3155;
}

.footer-inner {
  max-width: 1400px;
  margin: 0 auto;
}

.footer-main {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 120px;
  padding-bottom: 64px;
}

.footer-logo {
  display: inline-block;
  margin-bottom: 18px;
  color: #fff;
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-decoration: none;
}

.footer-name {
  margin: 0 0 20px;
  color: #bcd4ff;
  font-size: 14px;
  font-weight: 600;
}

.footer-company address {
  margin: 0 0 20px;
  color: #dce9ff;
  font-size: 15px;
  font-style: normal;
  line-height: 1.9;
}

.footer-company > a {
  display: block;
  width: fit-content;
  margin-top: 10px;
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
}

.footer-company > a:hover,
.footer-nav a:hover {
  color: #66d6ff;
}

.footer-nav {
  display: grid;
  align-content: start;
  gap: 14px;
}

.footer-nav p {
  margin: 0 0 8px;
  color: #66d6ff;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.footer-nav a {
  color: #eaf1ff;
  font-size: 15px;
  text-decoration: none;
  transition: color 0.3s;
}

.footer-bottom {
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.22);
}

.footer-bottom small {
  color: #bcd4ff;
  font-size: 12px;
}

.nav-divider {
  width: 1px;
  height: 28px;
  background-color: #dce3ee;
}