:root {
  --ink: #172631;
  --ink-soft: #485963;
  --paper: #f5f3ed;
  --white: #ffffff;
  --accent: #d3623d;
  --accent-dark: #a6472a;
  --line: rgba(23, 38, 49, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(rgba(23, 38, 49, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(23, 38, 49, 0.035) 1px, transparent 1px),
    var(--paper);
  background-size: 48px 48px;
  font-family:
    "Yu Gothic",
    "YuGothic",
    "Hiragino Kaku Gothic ProN",
    "Meiryo",
    sans-serif;
  font-feature-settings: "palt";
  line-height: 1.8;
}

a {
  color: inherit;
}

.page-shell {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
}

.site-header {
  min-height: 116px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 16px;
  color: inherit;
  text-decoration: none;
}

.brand-en {
  font-family: "Arial Narrow", "Helvetica Neue", Arial, sans-serif;
  font-size: clamp(1.8rem, 4vw, 2.7rem);
  font-weight: 800;
  letter-spacing: 0.1em;
  line-height: 1;
}

.brand-ja {
  padding-left: 16px;
  border-left: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 0.86rem;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.status-label,
.eyebrow,
.section-kicker,
.office-label {
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.status-label {
  color: var(--accent-dark);
  font-size: 0.72rem;
}

.hero {
  min-height: 570px;
  display: flex;
  align-items: center;
  padding: 88px 0 96px;
  border-bottom: 1px solid var(--line);
}

.hero-copy {
  max-width: 920px;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 0 0 30px;
  color: var(--accent-dark);
  font-size: 0.78rem;
}

.eyebrow::before {
  width: 38px;
  height: 2px;
  content: "";
  background: var(--accent);
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 34px;
  font-size: clamp(2.45rem, 5.3vw, 4.85rem);
  font-weight: 650;
  letter-spacing: -0.035em;
  line-height: 1.28;
}

.lead {
  margin-bottom: 24px;
  color: var(--ink-soft);
  font-size: clamp(1rem, 1.4vw, 1.16rem);
  line-height: 2;
}

.support-text {
  width: fit-content;
  margin-bottom: 0;
  padding: 12px 18px;
  border-left: 3px solid var(--accent);
  background: rgba(255, 255, 255, 0.68);
  font-size: 0.93rem;
}

.business,
.contact {
  display: grid;
  grid-template-columns: minmax(180px, 0.52fr) minmax(0, 1.48fr);
  gap: clamp(36px, 7vw, 96px);
  padding: 86px 0;
  border-bottom: 1px solid var(--line);
}

.section-kicker {
  margin-bottom: 8px;
  color: var(--accent-dark);
  font-size: 0.7rem;
}

.section-heading h2 {
  margin-bottom: 0;
  font-size: 1.7rem;
  letter-spacing: 0.02em;
}

.business > p {
  max-width: 750px;
  margin-bottom: 0;
  color: var(--ink-soft);
  font-size: 1.03rem;
}

.office-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.office-card {
  min-height: 320px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: clamp(26px, 4vw, 42px);
  background: rgba(255, 255, 255, 0.74);
  border-top: 4px solid var(--ink);
  box-shadow: 0 14px 36px rgba(23, 38, 49, 0.05);
}

.office-label {
  margin-bottom: 4px;
  color: var(--accent-dark);
  font-size: 0.65rem;
}

.office-card h3 {
  margin-bottom: 22px;
  font-size: 1.45rem;
}

.address {
  margin-bottom: 28px;
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.phone-link {
  display: flex;
  align-items: center;
  gap: 14px;
  width: fit-content;
  color: var(--ink);
  text-decoration-color: rgba(211, 98, 61, 0.5);
  text-decoration-thickness: 2px;
  text-underline-offset: 6px;
}

.phone-link:hover,
.phone-link:focus-visible {
  color: var(--accent-dark);
}

.phone-label {
  color: var(--accent-dark);
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.phone-number {
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: clamp(1.18rem, 2vw, 1.5rem);
  font-weight: 650;
  letter-spacing: 0.02em;
}

.site-footer {
  min-height: 110px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  color: var(--ink-soft);
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
}

.site-footer p {
  margin-bottom: 0;
}

@media (max-width: 860px) {
  .page-shell {
    width: min(100% - 32px, 720px);
  }

  .site-header {
    min-height: 92px;
  }

  .status-label {
    display: none;
  }

  .hero {
    min-height: auto;
    padding: 66px 0 72px;
  }

  .business,
  .contact {
    grid-template-columns: 1fr;
    gap: 34px;
    padding: 66px 0;
  }
}

@media (max-width: 620px) {
  .page-shell {
    width: min(100% - 24px, 520px);
  }

  .site-header {
    min-height: 78px;
  }

  .brand {
    gap: 10px;
  }

  .brand-en {
    font-size: 1.55rem;
  }

  .brand-ja {
    padding-left: 10px;
    font-size: 0.68rem;
    letter-spacing: 0.03em;
  }

  .hero {
    padding: 52px 0 58px;
  }

  .eyebrow {
    margin-bottom: 24px;
  }

  h1 {
    margin-bottom: 26px;
    font-size: clamp(2.12rem, 11vw, 3rem);
    line-height: 1.36;
  }

  .lead br {
    display: none;
  }

  .support-text {
    padding: 10px 13px;
    font-size: 0.86rem;
  }

  .business,
  .contact {
    gap: 26px;
    padding: 54px 0;
  }

  .office-grid {
    grid-template-columns: 1fr;
  }

  .office-card {
    min-height: 286px;
  }

  .site-footer {
    min-height: 90px;
    justify-content: flex-start;
  }
}

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