:root {
  --navy: #1f2d6b;
  --navy-deep: #0b1838;
  --footer: #0f1838;
  --gold: #f0d28a;
  --text: #1b2230;
  --muted: #4a5368;
  --meta: #6a7387;
  --footer-text: #9fa9cc;
  --on-navy: #c9d3f2;
  --eyebrow: #4a5e9e;
  --line: #e3e7ef;
  --surface: #f5f7fb;
  --ajito: #2f6342;
  --max: 1160px;
  --font: "Noto Sans JP", "Hiragino Kaku Gothic ProN", sans-serif;
  --font-en: Inter, "Noto Sans JP", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: #fff;
  color: var(--text);
  font-family: var(--font);
}

a {
  color: var(--navy);
}

a:hover {
  color: var(--navy-deep);
}

a:focus-visible {
  outline: 2px solid var(--navy);
  outline-offset: 3px;
}

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

.eyebrow {
  margin: 0;
  font-family: Inter, sans-serif;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--eyebrow);
}

.section-title {
  margin: 0;
  font-size: 28px;
  font-weight: 700;
}

.section-heading {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

/* ヘッダー */
.site-header {
  border-bottom: 1px solid var(--line);
  background: #fff;
}

.header-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  padding-block: 18px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  color: inherit;
  text-decoration: none;
  font-family: var(--font-en);
  font-weight: 700;
  font-size: 19px;
  letter-spacing: 0.01em;
}

.logo:hover {
  color: inherit;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  align-items: center;
  font-size: 14px;
  font-weight: 500;
}

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

.nav a:hover {
  color: var(--navy);
}

.header-cta {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 16px;
  border-radius: 6px;
  background: var(--navy);
  color: #fff;
}

.header-cta:hover {
  background: var(--navy-deep);
  color: #fff;
}

/* ミッション */
.hero {
  background: var(--navy);
  color: #fff;
}

.hero-inner {
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding-block: 104px 96px;
}

.hero .eyebrow {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--gold);
}

.hero-title {
  margin: 0;
  max-width: 18em;
  font-size: 46px;
  font-weight: 700;
  line-height: 1.45;
}

.hero-lead {
  margin: 0;
  max-width: 40em;
  font-size: 16px;
  line-height: 1.95;
  color: var(--on-navy);
}

/* 事業内容・プロダクト・考え方・運営者 */
.section-business,
.section-products,
.section-about,
.band-inner {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.section-business {
  padding-block: 88px 40px;
}

.section-products {
  padding-block: 64px;
}

.card-grid,
.policy-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.business-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-top: 20px;
  border-top: 3px solid var(--navy);
}

.business-card h3,
.policy-card h3 {
  margin: 0;
  font-weight: 700;
}

.business-card h3 {
  font-size: 17px;
}

.business-card p,
.product-card p,
.policy-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.9;
  color: var(--muted);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(340px, 100%), 1fr));
  gap: 24px;
}

.product-card {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: 12px;
}

.product-name {
  display: flex;
  gap: 16px;
  align-items: center;
}

.product-name > div {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.product-name svg {
  flex: none;
  border-radius: 14px;
}

.product-name h3 {
  margin: 0;
  font-family: var(--font-en);
  font-size: 22px;
  font-weight: 700;
}

.product-kicker {
  margin: 0;
  font-size: 13px;
  font-weight: 500;
}

.product-kicker-ajito {
  color: var(--ajito);
}

.product-kicker-sillage {
  color: var(--navy);
}

.product-meta {
  display: grid;
  grid-template-columns: 6em minmax(0, 1fr);
  gap: 6px 12px;
  margin: 0;
  font-size: 13px;
}

.product-meta dt {
  color: var(--meta);
}

.product-meta dd {
  margin: 0;
}

.text-button {
  display: inline-flex;
  align-self: flex-start;
  align-items: center;
  min-height: 44px;
  padding: 0 20px;
  border: 1px solid var(--navy);
  border-radius: 6px;
  color: var(--navy);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
}

.text-button:hover {
  background: var(--navy);
  color: #fff;
}

.band {
  background: var(--surface);
}

.band-inner {
  padding-block: 80px;
}

.policy-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 28px;
  border-radius: 10px;
  background: #fff;
}

.policy-card h3 {
  font-size: 16px;
}

.section-about {
  padding-block: 80px;
}

.about-list {
  display: grid;
  grid-template-columns: minmax(8em, 220px) minmax(0, 1fr);
  margin: 0;
  border-top: 1px solid var(--line);
  font-size: 15px;
}

.about-list dt,
.about-list dd {
  margin: 0;
  padding: 18px 16px;
  border-bottom: 1px solid var(--line);
}

.about-list dt {
  background: var(--surface);
  font-weight: 500;
}

.quiet-link {
  color: inherit;
  text-decoration: none;
}

.quiet-link:hover {
  text-decoration: underline;
}

/* お問い合わせ */
.contact {
  background: var(--navy);
  color: #fff;
}

.contact-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  align-items: center;
  justify-content: space-between;
  padding-block: 64px;
}

.contact h2 {
  margin: 0;
  font-size: 24px;
  font-weight: 700;
}

.contact-lead {
  margin: 8px 0 0;
  font-size: 14px;
  color: var(--on-navy);
}

.contact-email {
  margin: 0;
  font-family: var(--font-en);
  font-size: 20px;
  font-weight: 600;
  overflow-wrap: anywhere;
}

.contact a:focus-visible,
.site-footer a:focus-visible {
  outline-color: var(--gold);
}

/* フッター */
.site-footer {
  background: var(--footer);
  color: var(--footer-text);
  font-size: 13px;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  justify-content: space-between;
  padding-block: 40px;
}

.footer-groups {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
}

.footer-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-group span:first-child {
  color: #fff;
  font-weight: 500;
}

.site-footer a {
  color: var(--on-navy);
}

.site-footer a:hover {
  color: #fff;
}

.copyright {
  margin: 0;
  align-self: flex-end;
}

@media (max-width: 640px) {
  .nav {
    gap: 8px 20px;
  }

  .nav a {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
  }

  .hero-inner {
    padding-block: 64px 56px;
  }

  .hero-title {
    font-size: 32px;
  }

  .hero-break {
    display: block;
  }

  .about-list {
    grid-template-columns: 1fr;
  }

  .section-business,
  .band-inner,
  .section-about {
    padding-block: 64px;
  }

  .section-business {
    padding-bottom: 24px;
  }
}