:root {
  --acs-paper: #f7f7f4;
  --acs-surface: #ffffff;
  --acs-ink: #111111;
  --acs-muted: #66635e;
  --acs-line: #1a1a1a;
  --acs-line-soft: rgba(17, 17, 17, 0.18);
  --acs-error: #9a261f;
  --acs-focus: #0b57d0;
  --acs-font-sans: "Helvetica Neue", Arial, "Hiragino Sans", "Yu Gothic", sans-serif;
  --acs-text-xs: 12px;
  --acs-text-sm: 14px;
  --acs-text-base: 17px;
  --acs-text-lg: 20px;
  --acs-h3: 24px;
  --acs-h2: 44px;
  --acs-h1: 64px;
  --acs-display: 88px;
  --acs-space-1: 4px;
  --acs-space-2: 8px;
  --acs-space-3: 12px;
  --acs-space-4: 16px;
  --acs-space-5: 24px;
  --acs-space-6: 32px;
  --acs-space-7: 48px;
  --acs-space-8: 64px;
  --acs-space-9: 96px;
  --acs-space-10: 128px;
  --acs-container-wide: 1280px;
  --acs-container: 1120px;
  --acs-reading: 760px;
  --acs-gutter: 24px;
  --acs-rule: 1px solid var(--acs-line);
  --acs-rule-soft: 1px solid var(--acs-line-soft);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--acs-surface);
  color: var(--acs-ink);
  font-family: var(--acs-font-sans);
  font-size: var(--acs-text-base);
  line-height: 1.8;
  letter-spacing: 0;
}
img, iframe { display: block; max-width: 100%; }
a { color: inherit; }
:focus-visible { outline: 3px solid var(--acs-focus); outline-offset: 3px; }

.acs-container { width: min(100% - (2 * var(--acs-gutter)), var(--acs-container)); margin-inline: auto; }
.acs-container--wide { width: min(100% - (2 * var(--acs-gutter)), var(--acs-container-wide)); margin-inline: auto; }
.acs-reading { width: min(100%, var(--acs-reading)); }
.acs-section { padding-block: var(--acs-space-9); border-top: var(--acs-rule-soft); }
.acs-eyebrow { margin: 0 0 var(--acs-space-3); color: var(--acs-muted); font-size: var(--acs-text-xs); }
.acs-title { margin: 0; font-size: var(--acs-h2); font-weight: 500; line-height: 1.2; }
.acs-btn { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; padding: 12px 22px; border: var(--acs-rule); border-radius: 0; text-decoration: none; font-size: var(--acs-text-sm); }
.acs-btn--primary { background: var(--acs-ink); color: var(--acs-surface); }
.acs-btn--secondary { background: var(--acs-surface); color: var(--acs-ink); }
.acs-text-link { text-underline-offset: 5px; text-decoration-thickness: 1px; }
.acs-media { overflow: hidden; background: var(--acs-paper); }
.acs-media img { width: 100%; height: 100%; object-fit: cover; }

.acs-site-header { position: sticky; top: 0; z-index: 10; height: 76px; display: block; margin: 0; padding: 0; background: var(--acs-surface); border-bottom: var(--acs-rule); }
.acs-site-header__inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: var(--acs-space-4); }
.acs-site-header__brand { min-width: 44px; min-height: 44px; display: inline-flex; align-items: center; gap: 10px; font-size: var(--acs-text-sm); font-weight: 600; text-decoration: none; white-space: nowrap; }
.acs-site-header__logo { width: auto; height: 40px; flex: 0 0 auto; object-fit: contain; }
.acs-site-header__brand-short { display: none; }
.acs-site-nav { display: flex; align-items: center; gap: var(--acs-space-5); font-size: var(--acs-text-sm); }
.acs-site-nav > a:not(.acs-btn) { min-width: 44px; min-height: 44px; display: inline-flex; align-items: center; justify-content: center; text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 5px; }
.acs-mobile-consultation { min-width: 44px; min-height: 44px; display: none; align-items: center; justify-content: center; padding-inline: var(--acs-space-2); font-size: var(--acs-text-sm); font-weight: 600; text-underline-offset: 5px; white-space: nowrap; }
.acs-menu-toggle { width: auto; min-width: 44px; min-height: 44px; display: none; padding: var(--acs-space-2); border: var(--acs-rule); border-radius: 0; background: var(--acs-surface); color: var(--acs-ink); font: inherit; letter-spacing: 0; white-space: nowrap; }
.acs-menu-toggle::after { content: none; }
.acs-menu-panel { background: var(--acs-surface); }
.acs-menu-panel nav > a:not(.acs-btn) { text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 5px; }

.acs-rule-list { margin: 0; padding: 0; border-top: var(--acs-rule); list-style: none; }
.acs-rule-list > li { padding-block: var(--acs-space-5); border-bottom: var(--acs-rule-soft); }
.acs-faq { border-top: var(--acs-rule); }
.acs-faq > details { border-bottom: var(--acs-rule-soft); }
.acs-faq summary { cursor: pointer; padding-block: var(--acs-space-5); font-weight: 600; }
.acs-faq p { margin: 0 0 var(--acs-space-5); color: var(--acs-muted); }

@media (max-width: 767px) {
  :root {
    --acs-gutter: 18px;
    --acs-text-base: 16px;
    --acs-text-lg: 18px;
    --acs-h3: 20px;
    --acs-h2: 30px;
    --acs-h1: 34px;
    --acs-display: 42px;
  }
  .acs-section { padding-block: var(--acs-space-8); }
  .acs-btn { min-height: 44px; }
  .acs-site-header { height: 64px; }
  .acs-site-header__inner { gap: var(--acs-space-1); }
  .acs-site-header__logo { height: 34px; }
  .acs-mobile-consultation { display: none; }
  .acs-menu-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .acs-site-nav { display: none; }
  .acs-menu-panel[hidden] { display: none; }
  .acs-menu-panel:not([hidden]) { padding: var(--acs-space-5) var(--acs-gutter); border-top: var(--acs-rule); }
  .acs-menu-panel a { display: block; padding-block: var(--acs-space-3); }
  .acs-menu-open { overflow: hidden; }
}

@media (max-width: 359px) {
  .acs-site-header__brand-full { display: none; }
  .acs-site-header__brand-short { display: inline; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}