:root {
  --navy: #10192b;
  --navy-light: #1c2b47;
  --accent: #2f8f7f;
  --accent-light: #e6f4f1;
  --text-main: #1b1f27;
  --text-sub: #5a6270;
  --bg: #ffffff;
  --bg-soft: #f6f8fa;
  --border: #e4e8ee;
  --max-width: 1040px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Yu Gothic", "Noto Sans JP", sans-serif;
  color: var(--text-main);
  background: var(--bg);
  line-height: 1.8;
}

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

img {
  max-width: 100%;
}

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
header.site-header {
  background: var(--navy);
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 10;
}

header.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.logo {
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.logo span {
  color: var(--accent);
}

nav.main-nav ul {
  list-style: none;
  display: flex;
  gap: 28px;
  margin: 0;
  padding: 0;
}

nav.main-nav a {
  font-size: 0.92rem;
  color: #dfe4ec;
  padding: 6px 0;
  border-bottom: 2px solid transparent;
  transition: all 0.2s ease;
}

nav.main-nav a:hover,
nav.main-nav a.active {
  color: #fff;
  border-bottom-color: var(--accent);
}

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
  color: #fff;
  padding: 96px 0 88px;
}

.hero .wrap {
  text-align: center;
}

.hero-tag {
  display: inline-block;
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  color: var(--accent);
  border: 1px solid rgba(47, 143, 127, 0.5);
  border-radius: 999px;
  padding: 6px 18px;
  margin-bottom: 24px;
}

.hero h1 {
  font-size: 2.4rem;
  font-weight: 700;
  margin: 0 0 20px;
  line-height: 1.5;
}

.hero p {
  font-size: 1.02rem;
  color: #c6cddb;
  max-width: 640px;
  margin: 0 auto;
}

.hero .cta {
  margin-top: 36px;
}

.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  padding: 13px 34px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: opacity 0.2s ease;
}

.btn:hover {
  opacity: 0.88;
}

.btn.outline {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.4);
}

/* Sections */
section {
  padding: 72px 0;
}

section.soft {
  background: var(--bg-soft);
}

.section-head {
  text-align: center;
  margin-bottom: 48px;
}

.section-head .eyebrow {
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 10px;
  display: block;
}

.section-head h2 {
  font-size: 1.7rem;
  margin: 0;
}

/* Card grid */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 32px 26px;
}

.card .num {
  color: var(--accent);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
}

.card h3 {
  font-size: 1.1rem;
  margin: 10px 0 12px;
}

.card p {
  font-size: 0.92rem;
  color: var(--text-sub);
  margin: 0;
}

/* Table (company info) */
.info-table {
  width: 100%;
  border-collapse: collapse;
}

.info-table th,
.info-table td {
  text-align: left;
  padding: 20px 16px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

.info-table th {
  width: 180px;
  color: var(--text-sub);
  font-weight: 600;
  font-size: 0.92rem;
}

/* Page hero (inner pages) */
.page-hero {
  background: var(--navy);
  color: #fff;
  padding: 56px 0;
  text-align: center;
}

.page-hero h1 {
  margin: 0 0 8px;
  font-size: 1.8rem;
}

.page-hero p {
  color: #b9c1d1;
  margin: 0;
  font-size: 0.9rem;
}

/* Business detail list */
.service {
  display: flex;
  gap: 28px;
  padding: 32px 0;
  border-bottom: 1px solid var(--border);
}

.service:last-child {
  border-bottom: none;
}

.service .num {
  font-size: 1.6rem;
  font-weight: 700;
  background: var(--navy);
  color: var(--accent);
  min-width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.service h3 {
  margin: 0 0 8px;
  font-size: 1.15rem;
}

.service p {
  margin: 0;
  color: var(--text-sub);
  font-size: 0.95rem;
}

/* Contact card */
.contact-card {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 40px;
  text-align: center;
  max-width: 520px;
  margin: 0 auto;
}

.contact-card .mail {
  display: inline-block;
  margin-top: 18px;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent);
  border-bottom: 1px solid var(--accent);
}

.contact-note {
  margin-top: 22px;
  font-size: 0.85rem;
  color: var(--text-sub);
}

/* News list */
.news-list {
  border-top: 1px solid var(--border);
}

.news-item {
  display: flex;
  gap: 24px;
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
}

.news-item time {
  color: var(--text-sub);
  font-size: 0.9rem;
  min-width: 110px;
}

.empty-note {
  text-align: center;
  color: var(--text-sub);
  padding: 48px 0;
}

/* Footer */
footer.site-footer {
  background: var(--navy);
  color: #aeb6c6;
  padding: 40px 0;
  font-size: 0.85rem;
}

footer.site-footer .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

footer.site-footer .foot-logo {
  color: #fff;
  font-weight: 700;
}

/* Responsive */
@media (max-width: 760px) {
  nav.main-nav ul {
    gap: 14px;
  }
  nav.main-nav a {
    font-size: 0.8rem;
  }
  .hero h1 {
    font-size: 1.7rem;
  }
  .card-grid {
    grid-template-columns: 1fr;
  }
  .info-table th {
    width: 110px;
    font-size: 0.82rem;
  }
  .service {
    flex-direction: column;
  }
  footer.site-footer .wrap {
    flex-direction: column;
    text-align: center;
  }
}