:root {
  --teal: #2ABFB9;
  --teal-dark: #1E9691;
  --teal-soft: #E6F7F6;
  --ink: #334155;
  --ink-light: #64748B;
  --bg: #F8FAFC;
  --white: #FFFFFF;
  --line: #E2E8F0;
}

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

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  font-family: "Noto Sans JP", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.9;
  font-size: 16px;
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px;
}
.container.narrow { max-width: 720px; }

a { color: var(--teal-dark); }
a:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 3px;
  border-radius: 2px;
}

/* Header */
.site-header {
  background: var(--white);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 10;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px 24px;
  padding-top: 16px;
  padding-bottom: 16px;
}
.brand {
  font-weight: 900;
  font-size: 1.25rem;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: 0.04em;
}
.brand-kk {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--ink-light);
  margin-left: 6px;
}
.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 22px;
}
.nav a {
  color: var(--ink);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
}
.nav a:hover, .nav a.nav-current { color: var(--teal-dark); }

/* Hero */
.hero {
  background: var(--white);
  padding: 96px 0 0;
}
.hero-eyebrow {
  color: var(--teal-dark);
  font-weight: 700;
  letter-spacing: 0.18em;
  font-size: 0.85rem;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.hero-title {
  font-size: clamp(2rem, 6vw, 3.4rem);
  font-weight: 900;
  line-height: 1.35;
  letter-spacing: 0.02em;
  margin-bottom: 24px;
}
.hero-lead {
  max-width: 620px;
  color: var(--ink-light);
  margin-bottom: 64px;
}
.nowrap {
  white-space: nowrap;
}
.vital-line {
  color: var(--teal);
  line-height: 0;
}
.vital-base {
  opacity: 0.3;
}
@media (prefers-reduced-motion: no-preference) {
  .vital-trace {
    stroke-dasharray: 16 84;
    animation: vital-sweep 6s linear infinite;
  }
  .reveal {
    opacity: 0;
    transform: translateY(14px);
    transition: opacity 0.7s ease, transform 0.7s ease;
  }
  .reveal.is-visible {
    opacity: 1;
    transform: none;
  }
}
@keyframes vital-sweep {
  from { stroke-dashoffset: 0; }
  to { stroke-dashoffset: -100; }
}
.vital-line svg {
  width: 100%;
  height: 60px;
  display: block;
}

/* Sections */
.section { padding: 80px 0; }
.section-alt { background: var(--white); }
.page-top { padding-top: 64px; }

.section-title {
  font-size: 1.6rem;
  font-weight: 900;
  letter-spacing: 0.06em;
  margin-bottom: 12px;
  padding-left: 16px;
  border-left: 4px solid var(--teal);
  line-height: 1.4;
}
.section-lead {
  color: var(--ink-light);
  margin-bottom: 40px;
}

/* Features */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}
.feature {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 28px 24px;
}
.section-alt .feature { background: var(--bg); }
.feature h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--teal-dark);
  margin-bottom: 10px;
}
.feature p {
  font-size: 0.92rem;
  color: var(--ink);
}

/* Company table */
.company-table { border-top: 1px solid var(--line); }
.company-table .row {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 16px;
  padding: 18px 4px;
  border-bottom: 1px solid var(--line);
}
.company-table dt {
  font-weight: 700;
  color: var(--ink);
}
.company-table dd { color: var(--ink); }

@media (max-width: 520px) {
  .company-table .row {
    grid-template-columns: 1fr;
    gap: 4px;
  }
  .company-table dt { color: var(--teal-dark); font-size: 0.85rem; }
}

/* Contact */
.contact-text { color: var(--ink-light); }

/* Notice card (電子公告) */
.notice-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 32px 28px;
}
.notice-card h2 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--teal-dark);
  margin-bottom: 12px;
}
.notice-card p { font-size: 0.95rem; }

/* Footer */
.site-footer {
  background: var(--ink);
  color: var(--bg);
  padding: 40px 0;
  margin-top: 40px;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px 24px;
}
.footer-brand { font-weight: 700; }
.footer-nav a {
  color: var(--bg);
  font-size: 0.88rem;
}
.copyright {
  font-size: 0.8rem;
  color: #94A3B8;
}