:root {
  --bg: #ffffff;
  --surface: #ffffff;
  --surface-soft: #f6f7f9;
  --text: #1e2430;
  --muted: #6a7280;
  --line: #d8dde6;
  --accent: #7f1d1d;
  --accent-dark: #5f1515;
  --accent-soft: #9f3535;
  --shadow: 0 16px 36px rgba(20, 28, 40, 0.08);
  --radius: 18px;
  --container: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans", "Yu Gothic", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: #fff;
  padding: 8px 12px;
  z-index: 999;
}
.skip-link:focus { left: 12px; top: 12px; }
.container {
  width: min(100% - 32px, var(--container));
  margin: 0 auto;
}
.section { padding: 72px 0; }
.section--muted { background: #f5f7fa; }
.site-header {
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
  border-top: 4px solid var(--accent);
}
.site-header__top,
.site-header__nav,
.site-footer__inner {
  width: min(100% - 24px, 1280px);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.site-header__top {
  padding: 14px 0 10px;
  flex-wrap: nowrap;
}
.site-header__nav {
  padding: 10px 0 12px;
  border-top: 1px solid var(--line);
}
.site-brand { display: grid; gap: 2px; min-width: 220px; }
.site-brand__mark { font-size: 1.55rem; font-weight: 900; letter-spacing: 0.04em; }
.site-brand__tagline { font-size: 0.82rem; color: var(--muted); }
.site-header__actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: nowrap;
  justify-content: flex-end;
  flex-shrink: 0;
}
.site-header__inquiry {
  display: inline-flex;
  align-items: center;
  min-height: 54px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  font-size: 0.88rem;
  font-weight: 700;
  background: #fff;
  white-space: nowrap;
}
.site-header__tel {
  display: grid;
  gap: 2px;
  align-items: center;
  min-height: 54px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  white-space: nowrap;
}
.site-header__tel-number { font-size: 1.12rem; font-weight: 900; line-height: 1.1; }
.site-header__tel-note { font-size: 0.75rem; color: var(--muted); }
.button--header {
  min-height: 44px;
  padding: 0 14px;
  border-radius: 999px;
  font-size: 0.88rem;
  white-space: nowrap;
}
.button--ghost {
  background: #d1c2ad;
  color: #fff;
}
.button--ghost:hover { background: #bda98e; }
.site-nav__list,
.footer-menu { list-style: none; display: flex; gap: 20px; padding: 0; margin: 0; }
.site-nav__list a,
.footer-menu a { font-weight: 600; }
.site-nav--header .site-nav__list {
  gap: 0;
  width: 100%;
  justify-content: space-between;
}
.site-nav--header .menu-item {
  flex: 1;
  text-align: center;
  border-left: 1px solid var(--line);
}
.site-nav--header .menu-item:last-child { border-right: 1px solid var(--line); }
.site-nav--header .menu-item a {
  display: block;
  padding: 10px 12px;
  font-size: 0.95rem;
  font-weight: 700;
}
.menu-toggle { display: none; background: transparent; border: 0; padding: 8px; }
.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  margin: 4px 0;
}
.hero { padding-top: 36px; }
.hero__inner {
  display: grid;
  grid-template-columns: 1.4fr 0.9fr;
  gap: 32px;
  align-items: stretch;
}
.hero__copy,
.hero__panel,
.content-card,
.contact-panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.hero__copy { padding: 56px; }
.eyebrow {
  margin: 0 0 10px;
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 700;
}
.hero h1,
.section-heading h2,
.content-card h1,
.contact-panel h2 {
  margin: 0;
  line-height: 1.2;
  font-size: clamp(2rem, 4vw, 3.6rem);
}
.hero__lead,
.lead,
.center-note,
.site-footer__text { color: var(--muted); }
.hero__lead { font-size: 1.05rem; margin: 18px 0 0; max-width: 34rem; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
}
.button--primary { background: var(--accent); color: #fff; box-shadow: 0 10px 20px rgba(127, 29, 29, 0.14); }
.button--primary:hover { background: var(--accent-dark); }
.button--secondary { background: transparent; border-color: var(--line); }
.hero__panel { padding: 28px; display: grid; align-content: start; gap: 16px; }
.hero__panel-label { margin: 0; color: var(--muted); font-size: 0.9rem; }
.hero-pills { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.hero-pills li,
.stack-card,
.note-banner {
  border-radius: 16px;
  background: var(--surface-soft);
  border: 1px solid var(--line);
  padding: 16px 18px;
  font-weight: 700;
}
.section-heading { margin-bottom: 24px; }
.card-grid { display: grid; gap: 18px; }
.card-grid--three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.card-grid--two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.info-card,
.stack-card,
.content-card,
.contact-panel,
.quote-block {
  padding: 24px;
}
.info-card,
.content-card,
.contact-panel,
.hero__copy,
.hero__panel {
  border-radius: 22px;
}
.info-card h3,
.content-card h1,
.contact-panel h2 { margin: 0 0 12px; }
.info-card__label { color: var(--accent); font-weight: 800; margin: 0 0 10px; }
.note-banner,
.center-note { text-align: center; margin-top: 20px; }
.two-column {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 28px;
  align-items: center;
}
.two-column--reverse { grid-template-columns: 0.9fr 1.1fr; }
.stack-cards,
.benefit-list { display: grid; gap: 12px; }
.benefit-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.benefit-list li {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 16px 18px;
  font-weight: 600;
}
.quote-block blockquote {
  margin: 0 0 16px;
  padding: 18px 20px;
  border-left: 4px solid var(--accent);
  background: rgba(127, 29, 29, 0.06);
  border-radius: 0 16px 16px 0;
}
.content-area { max-width: 760px; }
.site-footer { border-top: 1px solid var(--line); background: #fff; }
.footer-menu { flex-wrap: wrap; justify-content: flex-end; }
.screen-reader-text {
  position: absolute;
  clip: rect(1px, 1px, 1px, 1px);
  padding: 0;
  border: 0;
  height: 1px;
  width: 1px;
  overflow: hidden;
}

@media (max-width: 900px) {
  .hero__inner,
  .two-column,
  .two-column--reverse,
  .card-grid--three,
  .card-grid--two { grid-template-columns: 1fr; }

  .site-header__top,
  .site-header__nav,
  .site-footer__inner { flex-wrap: wrap; }

  .site-header__top { flex-wrap: wrap; }
  .site-header__actions { justify-content: flex-start; flex-wrap: wrap; }
  .site-brand { min-width: 0; }
  .site-header__tel { width: 100%; }
  .site-nav { display: none; width: 100%; }
  .site-nav.is-open { display: block; }
  .site-nav__list { flex-direction: column; padding: 12px 0 0; }
  .site-nav--header .menu-item {
    border-left: 0;
    border-right: 0;
    border-top: 1px solid var(--line);
  }
  .site-nav--header .menu-item:last-child { border-right: 0; }
  .menu-toggle { display: inline-block; margin-left: auto; }
  .hero__copy { padding: 32px 24px; }
}