:root {
  --navy: #14213d;
  --navy-light: #1f2f54;
  --gray: #5a6472;
  --gray-light: #f4f5f7;
  --border: #e2e4e8;
  --white: #ffffff;
  --max-width: 1040px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Noto Sans JP", "Yu Gothic", sans-serif;
  color: #2b2f36;
  line-height: 1.8;
  background: var(--white);
  font-size: 16px;
}

a {
  color: var(--navy);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

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

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

/* Header */
.site-header {
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: var(--white);
  z-index: 100;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  font-size: 19px;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: 0.04em;
}

.logo small {
  display: block;
  font-size: 11px;
  font-weight: 400;
  color: var(--gray);
  letter-spacing: 0.08em;
}

.nav {
  display: flex;
  gap: 32px;
}

.nav a {
  font-size: 14px;
  font-weight: 500;
  color: #2b2f36;
}

.nav a:hover {
  color: var(--navy);
  text-decoration: none;
  border-bottom: 2px solid var(--navy);
  padding-bottom: 4px;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
}

@media (max-width: 760px) {
  .nav {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    gap: 0;
    border-bottom: 1px solid var(--border);
  }
  .nav.is-open {
    display: flex;
  }
  .nav a {
    padding: 16px 24px;
    border-bottom: 1px solid var(--border);
  }
  .nav-toggle {
    display: block;
  }
}

/* Hero */
.hero {
  background: var(--navy);
  color: var(--white);
  padding: 88px 0 96px;
}

.hero .container {
  max-width: var(--max-width);
}

.hero-eyebrow {
  font-size: 13px;
  letter-spacing: 0.12em;
  color: #a9b4c9;
  margin-bottom: 16px;
}

.hero h1 {
  font-size: 34px;
  line-height: 1.5;
  font-weight: 700;
  margin: 0 0 20px;
}

.hero p {
  font-size: 16px;
  color: #d7dce6;
  max-width: 560px;
  margin: 0;
}

@media (max-width: 600px) {
  .hero {
    padding: 64px 0 72px;
  }
  .hero h1 {
    font-size: 26px;
  }
}

/* Section */
.section {
  padding: 80px 0;
}

.section + .section {
  border-top: 1px solid var(--border);
}

.section-alt {
  background: var(--gray-light);
}

.section-head {
  margin-bottom: 48px;
  scroll-margin-top: 88px;
}

.section-eyebrow {
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--navy);
  font-weight: 600;
  margin-bottom: 10px;
}

.section-head h2 {
  font-size: 26px;
  font-weight: 700;
  margin: 0;
  color: #1a1d22;
}

.section-head p {
  margin: 14px 0 0;
  color: var(--gray);
}

/* Business cards */
.business-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

@media (max-width: 760px) {
  .business-grid {
    grid-template-columns: 1fr;
  }
}

.business-card {
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 32px;
  background: var(--white);
}

.business-card .tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 4px 10px;
  border-radius: 2px;
  margin-bottom: 16px;
}

.tag-active {
  background: #e8f0ec;
  color: #1d6b46;
}

.tag-prep {
  background: #f1f1f3;
  color: var(--gray);
}

.business-card h3 {
  font-size: 19px;
  margin: 0 0 12px;
}

.business-card p {
  color: var(--gray);
  margin: 0 0 16px;
  font-size: 14.5px;
}

.business-card ul {
  margin: 0 0 16px;
  padding-left: 20px;
  color: var(--gray);
  font-size: 14.5px;
}

.business-card li {
  margin-bottom: 6px;
}

.btn-link {
  font-size: 14px;
  font-weight: 600;
}

/* Table */
.info-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
}

.info-table th,
.info-table td {
  border-top: 1px solid var(--border);
  padding: 18px 16px;
  text-align: left;
  vertical-align: top;
}

.info-table th {
  width: 200px;
  background: var(--gray-light);
  font-weight: 600;
  color: #1a1d22;
}

@media (max-width: 600px) {
  .info-table th {
    width: 120px;
    font-size: 13.5px;
  }
  .info-table th,
  .info-table td {
    padding: 14px 10px;
    font-size: 14px;
  }
}

/* Message block */
.message-block {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 40px;
  align-items: start;
}

@media (max-width: 700px) {
  .message-block {
    grid-template-columns: 1fr;
  }
}

.message-name {
  font-weight: 700;
  color: var(--navy);
}

.message-role {
  font-size: 13px;
  color: var(--gray);
  margin-bottom: 4px;
}

/* News list */
.news-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

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

.news-list li:first-child {
  border-top: none;
}

.news-date {
  flex: 0 0 120px;
  color: var(--gray);
  font-size: 14px;
}

@media (max-width: 600px) {
  .news-list li {
    flex-direction: column;
    gap: 6px;
  }
  .news-date {
    flex: none;
  }
}

/* CTA */
.cta {
  background: var(--navy);
  color: var(--white);
  text-align: center;
  padding: 64px 0;
}

.cta h2 {
  font-size: 22px;
  margin: 0 0 24px;
}

.btn {
  display: inline-block;
  background: var(--white);
  color: var(--navy);
  font-weight: 700;
  padding: 14px 36px;
  border-radius: 2px;
  font-size: 15px;
}

.btn:hover {
  text-decoration: none;
  opacity: 0.9;
}

/* Footer */
.site-footer {
  background: #1a1d22;
  color: #b9bec6;
  padding: 48px 0 28px;
  font-size: 13.5px;
}

.site-footer .container {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
}

.site-footer a {
  color: #b9bec6;
}

.footer-links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-copy {
  width: 100%;
  margin-top: 24px;
  color: #6c7280;
  font-size: 12px;
}

/* Page header (non-home pages) */
.page-header {
  background: var(--navy);
  color: var(--white);
  padding: 56px 0;
}

.page-header h1 {
  font-size: 26px;
  margin: 0;
}

/* Generic content */
.prose h2 {
  font-size: 19px;
  margin: 40px 0 14px;
}

.prose h2:first-child {
  margin-top: 0;
}

.prose p {
  margin: 0 0 16px;
  color: #3a3f47;
}

.prose ul {
  padding-left: 22px;
  color: #3a3f47;
}