/* ==========================================================================
   business.s-cleans.jp — 法人向け集配クリーニング
   Design tokens: PROPOSAL.md §3（business: Deep Teal #0B5E63 / accent #E0B84A）
   ========================================================================== */
:root {
  --c-primary: #0B5E63;
  --c-primary-dark: #084449;
  --c-primary-light: #E6F1F1;
  --c-accent: #E0B84A;
  --c-accent-dark: #B8922B;
  --c-text: #1F2A2B;
  --c-muted: #5B6B6D;
  --c-bg: #FFFFFF;
  --c-bg-alt: #F4F8F8;
  --c-border: #D8E3E3;
  --c-danger: #B4382E;
  --radius: 12px;
  --shadow: 0 2px 10px rgba(11, 94, 99, 0.08);
  --max-w: 1120px;
  --header-h: 64px;
  --font: "Noto Sans JP", system-ui, -apple-system, "Hiragino Sans", "Yu Gothic", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 12px); }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.8;
  color: var(--c-text);
  background: var(--c-bg);
  -webkit-text-size-adjust: 100%;
}
h1, h2, h3, h4 { font-weight: 700; line-height: 1.4; margin: 0; }
p { margin: 0 0 1em; }
ul, ol { margin: 0; padding-left: 1.3em; }
a { color: var(--c-primary); text-decoration: underline; text-underline-offset: 0.15em; }
a:hover { color: var(--c-primary-dark); }
img, svg { max-width: 100%; vertical-align: middle; }
table { border-collapse: collapse; width: 100%; }
:focus-visible { outline: 3px solid var(--c-accent); outline-offset: 2px; }
.visually-hidden {
  position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* Skip link -------------------------------------------------------------- */
.skip-link {
  position: absolute; top: -100px; left: 8px; z-index: 200;
  padding: 8px 16px; background: var(--c-primary); color: #fff; border-radius: 0 0 8px 8px;
}
.skip-link:focus { top: 0; }

/* Layout ----------------------------------------------------------------- */
.container { width: 100%; max-width: var(--max-w); margin: 0 auto; padding: 0 20px; }
.section { padding: 64px 0; }
.section--alt { background: var(--c-bg-alt); }
.section--tight { padding: 40px 0; }
.section-title { margin-bottom: 32px; }
.section-title .en {
  display: block; font-size: 12px; font-weight: 700; letter-spacing: 0.18em;
  color: var(--c-accent-dark); text-transform: uppercase; margin-bottom: 6px;
}
.section-title h2 { font-size: 26px; }
.section-title p.lead { margin: 12px 0 0; color: var(--c-muted); }
.section-title--center { text-align: center; }

/* Badges ----------------------------------------------------------------- */
.todo, .dummy {
  display: inline-block; font-size: 11px; font-weight: 700; line-height: 1;
  padding: 4px 8px; border-radius: 999px; vertical-align: middle; margin: 0 4px;
  letter-spacing: 0.05em;
}
.todo { background: #FFF3C4; color: #7A5A00; border: 1px solid #E6C866; }
.dummy { background: #FDE2E0; color: var(--c-danger); border: 1px solid #F1B3AE; }
.tag {
  display: inline-block; font-size: 12px; font-weight: 700; padding: 4px 10px;
  border-radius: 999px; background: var(--c-primary-light); color: var(--c-primary);
}

/* Placeholder photo ------------------------------------------------------ */
.ph {
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, #CFE3E3 0%, #9DC4C6 50%, #6FA7AA 100%);
  color: #073B3E; font-size: 13px; font-weight: 700; letter-spacing: 0.05em;
  border-radius: var(--radius); aspect-ratio: 16 / 10; text-align: center; padding: 12px;
}
.ph--sq { aspect-ratio: 1 / 1; }
.ph--wide { aspect-ratio: 21 / 9; }

/* Buttons ---------------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 52px; padding: 12px 24px; border-radius: 999px; font-weight: 700;
  text-decoration: none; border: 2px solid transparent; cursor: pointer; font-family: inherit;
  font-size: 16px; line-height: 1.3; transition: background .2s, color .2s, transform .1s;
}
.btn:active { transform: translateY(1px); }
.btn--primary { background: var(--c-primary); color: #fff; }
.btn--primary:hover { background: var(--c-primary-dark); color: #fff; }
.btn--accent { background: var(--c-accent); color: #2A2100; }
.btn--accent:hover { background: #D1A93B; color: #2A2100; }
.btn--outline { background: #fff; color: var(--c-primary); border-color: var(--c-primary); }
.btn--outline:hover { background: var(--c-primary-light); }
.btn--white { background: #fff; color: var(--c-primary); }
.btn--white:hover { background: var(--c-primary-light); }
.btn--block { width: 100%; }
.btn small { display: block; font-size: 12px; font-weight: 400; }
.btn svg { width: 20px; height: 20px; flex: none; }

/* Utility bar (group sites, ≥960px) -------------------------------------- */
.util { display: none; background: var(--c-primary); color: #D6E6E6; font-size: 12px; }
.util__inner { display: flex; align-items: center; gap: 18px; min-height: 36px; }
.util__label { font-weight: 700; letter-spacing: .16em; color: #9FC4C6; white-space: nowrap; }
.util__list { list-style: none; display: flex; gap: 4px; margin: 0 0 0 auto; padding: 0; }
.util__list a { display: inline-block; padding: 6px 12px; color: #EAF3F3; border-radius: 999px; text-decoration: none; white-space: nowrap; }
.util__list a:hover { background: rgba(255,255,255,.12); color: #fff; }
.util__list a:focus-visible { outline-color: #fff; }

/* Header ----------------------------------------------------------------- */
.header {
  position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,0.96);
  backdrop-filter: blur(6px); border-bottom: 1px solid var(--c-border);
}
.header__inner {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  min-height: var(--header-h);
}
.logo { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--c-text); }
.logo svg { height: 36px; width: auto; }
.logo__text { display: flex; flex-direction: column; line-height: 1.2; }
.logo__text strong { font-size: 15px; color: var(--c-primary); }
.logo__text span { font-size: 11px; color: var(--c-muted); white-space: nowrap; }
.header__tel { display: none; white-space: nowrap; }
.logo__text strong { white-space: nowrap; }
.nav { display: none; }
.nav ul { list-style: none; padding: 0; margin: 0; display: flex; gap: 4px; }
.nav a {
  display: block; padding: 8px 12px; font-size: 14px; font-weight: 500; white-space: nowrap;
  text-decoration: none; color: var(--c-text); border-radius: 8px;
}
.nav a:hover { background: var(--c-primary-light); color: var(--c-primary); }
.nav a.nav__cta { background: var(--c-accent); color: #2A2100; font-weight: 700; }
.nav a.nav__cta:hover { background: #D1A93B; }
.nav .nav__sub { list-style: none; padding: 0; margin: 12px 0 0; display: grid; gap: 0; }
.nav__sub a { display: block; padding: 10px 8px; font-size: 13px; color: var(--c-muted); text-decoration: none; }
.nav__sub a::after { content: " ↗"; font-size: 11px; }
.menu-btn {
  display: inline-flex; flex-direction: column; justify-content: center; gap: 5px;
  width: 44px; height: 44px; padding: 10px; border: 1px solid var(--c-border);
  border-radius: 8px; background: #fff; cursor: pointer;
}
.menu-btn span { display: block; height: 2px; background: var(--c-primary); border-radius: 2px; transition: transform .2s, opacity .2s; }
.menu-btn[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-btn[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-btn[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.header.is-open .nav {
  display: block; position: absolute; left: 0; right: 0; top: 100%;
  background: #fff; border-bottom: 1px solid var(--c-border); box-shadow: var(--shadow);
  padding: 8px 20px 20px;
}
.header.is-open .nav ul { flex-direction: column; gap: 0; }
.header.is-open .nav a { padding: 12px 8px; border-bottom: 1px solid var(--c-border); border-radius: 0; font-size: 15px; }
.header.is-open .nav a.nav__cta { margin-top: 12px; border-radius: 999px; text-align: center; border-bottom: 0; }

/* Breadcrumb ------------------------------------------------------------- */
.breadcrumb { font-size: 13px; padding: 12px 0; color: var(--c-muted); }
.breadcrumb ol { list-style: none; display: flex; flex-wrap: wrap; gap: 4px 0; padding: 0; margin: 0; }
.breadcrumb li + li::before { content: "›"; margin: 0 8px; color: var(--c-border); }
.breadcrumb a { color: var(--c-muted); }
.breadcrumb [aria-current] { color: var(--c-text); font-weight: 500; }

/* Hero ------------------------------------------------------------------- */
.hero__grid > * { min-width: 0; }
.hero__cta > * { min-width: 0; }
.hero__cta .btn { white-space: normal; text-align: center; }
.hero__cta .btn span { min-width: 0; }
.hero {
  background: linear-gradient(160deg, var(--c-primary-light) 0%, #fff 55%);
  border-bottom: 1px solid var(--c-border);
  padding: 40px 0 56px;
}
.hero__grid { display: grid; gap: 28px; }
.hero__kicker { display: inline-flex; gap: 8px; flex-wrap: wrap; margin-bottom: 14px; }
.hero h1 { font-size: 30px; line-height: 1.35; letter-spacing: 0.01em; }
.hero h1 .accent { color: var(--c-primary); }
.hero__sub { font-size: 17px; font-weight: 500; margin: 14px 0 0; color: var(--c-muted); }
.hero__points { list-style: none; padding: 0; margin: 20px 0 0; display: flex; flex-wrap: wrap; gap: 8px; }
.hero__points li {
  display: inline-flex; align-items: center; gap: 6px; padding: 6px 12px; border-radius: 999px;
  background: #fff; border: 1px solid var(--c-border); font-size: 14px; font-weight: 500;
}
.hero__points li::before { content: "✓"; color: var(--c-primary); font-weight: 700; }
.hero__cta { display: grid; gap: 12px; margin-top: 28px; }
.hero__note { font-size: 13px; color: var(--c-muted); margin: 8px 0 0; }
.hero .ph { aspect-ratio: auto; min-height: 220px; }

/* Page hero (sub pages) -------------------------------------------------- */
.page-hero { background: var(--c-primary); color: #fff; padding: 40px 0; }
.page-hero .en { display: block; font-size: 12px; letter-spacing: 0.18em; color: var(--c-accent); font-weight: 700; margin-bottom: 6px; }
.page-hero h1 { font-size: 28px; }
.page-hero p { margin: 12px 0 0; opacity: 0.9; }

/* Cards ------------------------------------------------------------------ */
.card-grid { display: grid; gap: 20px; }
.card {
  background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius);
  padding: 24px; box-shadow: var(--shadow); position: relative;
}
.card h3 { font-size: 18px; margin-bottom: 8px; }
.card p:last-child { margin-bottom: 0; }
.card .ph { margin-bottom: 16px; }
.card__num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; border-radius: 50%; background: var(--c-primary); color: #fff;
  font-weight: 700; font-size: 16px; margin-bottom: 12px;
}
.card__icon {
  width: 48px; height: 48px; border-radius: 12px; background: var(--c-primary-light);
  display: flex; align-items: center; justify-content: center; margin-bottom: 14px; color: var(--c-primary);
}
.card__icon svg { width: 26px; height: 26px; }
.card--problem { border-top: 4px solid var(--c-accent); }
.card--problem h3::before { content: "😥"; margin-right: 6px; }

/* Industry (業種別) ------------------------------------------------------- */
.industry { display: grid; gap: 20px; }
.industry__item {
  background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius); overflow: hidden;
  display: grid; grid-template-columns: 96px 1fr; box-shadow: var(--shadow);
}
.industry__item .ph { border-radius: 0; aspect-ratio: auto; font-size: 12px; }
.industry__body { padding: 16px 18px; }
.industry__body h3 { font-size: 17px; margin-bottom: 8px; }
.items { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 6px; }
.items li {
  font-size: 13px; padding: 4px 10px; border-radius: 6px; background: var(--c-bg-alt);
  border: 1px solid var(--c-border);
}

/* Tables ----------------------------------------------------------------- */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; border: 1px solid var(--c-border); border-radius: var(--radius); background: #fff; }
.table { min-width: 560px; font-size: 14px; }
.table th, .table td { padding: 12px 14px; border-bottom: 1px solid var(--c-border); text-align: left; vertical-align: top; }
.table thead th { background: var(--c-primary); color: #fff; font-weight: 700; white-space: nowrap; }
.table tbody th { background: var(--c-bg-alt); font-weight: 700; white-space: nowrap; width: 30%; }
.table tbody tr:last-child th, .table tbody tr:last-child td { border-bottom: 0; }
.table--dl { min-width: 0; }
.note { font-size: 13px; color: var(--c-muted); margin-top: 12px; }
.note ul { padding-left: 1.2em; }

/* Steps ------------------------------------------------------------------ */
.steps { list-style: none; padding: 0; margin: 0; display: grid; gap: 16px; counter-reset: step; }
.step {
  position: relative; background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius);
  padding: 20px 20px 20px 76px; box-shadow: var(--shadow);
}
.step::before {
  counter-increment: step; content: "0" counter(step);
  position: absolute; left: 20px; top: 18px; width: 40px; height: 40px; border-radius: 10px;
  background: var(--c-primary); color: var(--c-accent); font-weight: 700; font-size: 15px;
  display: flex; align-items: center; justify-content: center; letter-spacing: 0.05em;
}
.step h3 { font-size: 17px; margin-bottom: 4px; }
.step p { margin: 0; font-size: 14.5px; color: var(--c-muted); }

/* FAQ -------------------------------------------------------------------- */
.faq { display: grid; gap: 12px; }
.faq details { background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius); overflow: hidden; }
.faq summary {
  list-style: none; cursor: pointer; padding: 16px 52px 16px 20px; font-weight: 700; position: relative;
  display: flex; gap: 10px; align-items: flex-start;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::before { content: "Q"; color: var(--c-primary); font-weight: 700; flex: none; }
.faq summary::after {
  content: ""; position: absolute; right: 20px; top: 50%; width: 10px; height: 10px;
  border-right: 2px solid var(--c-primary); border-bottom: 2px solid var(--c-primary);
  transform: translateY(-70%) rotate(45deg); transition: transform .2s;
}
.faq details[open] summary::after { transform: translateY(-30%) rotate(225deg); }
.faq details[open] summary { border-bottom: 1px solid var(--c-border); }
.faq .faq__a { padding: 16px 20px 18px; display: flex; gap: 10px; font-size: 15px; }
.faq .faq__a::before { content: "A"; color: var(--c-accent-dark); font-weight: 700; flex: none; }
.faq .faq__a p { margin: 0; }

/* Area ------------------------------------------------------------------- */
.area { display: grid; gap: 20px; align-items: center; }
.area__list { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.area__list li { display: flex; gap: 12px; align-items: baseline; padding: 12px 16px; background: #fff; border: 1px solid var(--c-border); border-radius: 10px; }
.area__list strong { font-size: 17px; color: var(--c-primary); white-space: nowrap; }
.area__list span { font-size: 14px; color: var(--c-muted); }

/* Case ------------------------------------------------------------------- */
.case { background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; }
.case__head { padding: 18px 20px 0; display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.case__head .industry-tag { font-size: 12px; font-weight: 700; color: var(--c-primary); background: var(--c-primary-light); padding: 4px 10px; border-radius: 6px; }
.case__title { font-size: 18px; padding: 8px 20px 0; }
.case__body { padding: 14px 20px 20px; }
.case dl { margin: 0; display: grid; gap: 10px; }
.case dt { font-size: 12px; font-weight: 700; color: var(--c-accent-dark); letter-spacing: 0.08em; }
.case dd { margin: 0; font-size: 14.5px; }
.case .ph { border-radius: 0; margin-bottom: 0; }
.case__more { padding: 0 20px 20px; font-size: 14px; }
.case-detail { display: grid; gap: 24px; padding: 32px 0; border-top: 1px solid var(--c-border); }
.case-detail:first-of-type { border-top: 0; }
.case-detail h2 { font-size: 22px; }
.case-detail .table { min-width: 0; }

/* Pricing ---------------------------------------------------------------- */
.price-points { display: grid; gap: 14px; margin-bottom: 24px; }
.price-points .card { padding: 18px 20px; }
.price-points .card h3 { font-size: 16px; }

/* CTA band --------------------------------------------------------------- */
.cta-band { background: var(--c-primary); color: #fff; padding: 48px 0; text-align: center; }
.cta-band h2 { font-size: 24px; margin-bottom: 8px; }
.cta-band p { opacity: 0.92; }
.cta-band .cta-band__btns { display: grid; gap: 12px; margin-top: 24px; }
.cta-band .btn--primary { background: #fff; color: var(--c-primary); }
.cta-band .btn--primary:hover { background: var(--c-primary-light); }
.cta-band .hours { font-size: 14px; opacity: 0.85; margin-top: 12px; }
.tel-big { font-size: 30px; font-weight: 700; letter-spacing: 0.04em; color: inherit; text-decoration: none; display: inline-flex; align-items: center; gap: 8px; }
.tel-big svg { width: 28px; height: 28px; }

/* Form ------------------------------------------------------------------- */
.form { background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius); padding: 24px 20px; box-shadow: var(--shadow); }
.form__row { margin-bottom: 20px; }
.form__row label, .form__row .label { display: block; font-weight: 700; font-size: 14px; margin-bottom: 6px; }
.req { color: var(--c-danger); font-size: 11px; font-weight: 700; margin-left: 6px; border: 1px solid currentColor; padding: 1px 6px; border-radius: 4px; vertical-align: middle; }
.opt { color: var(--c-muted); font-size: 11px; font-weight: 700; margin-left: 6px; border: 1px solid currentColor; padding: 1px 6px; border-radius: 4px; vertical-align: middle; }
.form input[type="text"], .form input[type="tel"], .form input[type="email"], .form select, .form textarea {
  width: 100%; font: inherit; font-size: 16px; padding: 12px 14px; border: 1px solid #B9C8C8; border-radius: 8px; background: #fff; color: var(--c-text);
}
.form select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--c-primary) 50%), linear-gradient(135deg, var(--c-primary) 50%, transparent 50%); background-position: calc(100% - 20px) 50%, calc(100% - 14px) 50%; background-size: 6px 6px; background-repeat: no-repeat; padding-right: 40px; }
.form textarea { min-height: 120px; resize: vertical; }
.form input:focus, .form select:focus, .form textarea:focus { border-color: var(--c-primary); outline: 3px solid rgba(11,94,99,0.2); outline-offset: 0; }
.form__hint { font-size: 12px; color: var(--c-muted); margin: 4px 0 0; }
.form__grid { display: grid; gap: 16px; }
.form__consent { font-size: 14px; display: flex; gap: 8px; align-items: flex-start; }
.form__consent input { margin-top: 6px; width: 18px; height: 18px; }
.form__submit { text-align: center; margin-top: 8px; }
.form__notice { margin-top: 12px; padding: 12px 14px; background: #FFF9E6; border: 1px dashed #E6C866; border-radius: 8px; font-size: 13px; color: #7A5A00; }
.form__notice:empty { display: none; }

/* Contact side ----------------------------------------------------------- */
.contact-grid { display: grid; gap: 24px; }
.contact-side .card { margin-bottom: 16px; }
.contact-side .tel-big { color: var(--c-primary); font-size: 26px; }

/* Footer ----------------------------------------------------------------- */
.footer { background: #0A2E30; color: #D6E6E6; padding: 48px 0 24px; font-size: 14px; }
.footer a { color: #fff; }
.footer__grid { display: grid; gap: 28px; }
.footer h3 { font-size: 14px; color: var(--c-accent); letter-spacing: 0.08em; margin-bottom: 10px; }
.footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 6px; }
.footer address { font-style: normal; line-height: 1.7; }
.footer .logo__text strong { color: #fff; }
.footer .logo__text span { color: #A8C4C4; }
.footer__bottom { border-top: 1px solid rgba(255,255,255,0.15); margin-top: 32px; padding-top: 18px; font-size: 12px; color: #A8C4C4; display: flex; flex-wrap: wrap; gap: 8px 20px; justify-content: space-between; }
.footer__bottom a { color: #D6E6E6; }

/* Sticky mobile CTA ------------------------------------------------------ */
.mobile-cta {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 90; display: grid; grid-template-columns: 1fr 1fr;
  gap: 8px; padding: 8px 12px calc(8px + env(safe-area-inset-bottom)); background: rgba(255,255,255,0.96);
  border-top: 1px solid var(--c-border); backdrop-filter: blur(6px);
}
.mobile-cta .btn { min-height: 48px; font-size: 14px; padding: 8px 12px; }
body { padding-bottom: 76px; }

/* Utilities -------------------------------------------------------------- */
.mt-0 { margin-top: 0; } .mt-1 { margin-top: 8px; } .mt-2 { margin-top: 16px; } .mt-3 { margin-top: 24px; } .mt-4 { margin-top: 32px; }
.mb-2 { margin-bottom: 16px; }
.h-lg { font-size: 20px; } .h-md { font-size: 18px; } .h-sm { font-size: 16px; }
.text-primary { color: var(--c-primary); }
.list-indent { padding-left: 1.4em; }
.text-center { text-align: center; }
.text-muted { color: var(--c-muted); }
.small { font-size: 13px; }

/* Responsive ------------------------------------------------------------- */
@media (min-width: 640px) {
  .hero h1 { font-size: 36px; }
  .hero__cta { grid-template-columns: 1fr 1fr; }
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .card-grid--3 { grid-template-columns: repeat(2, 1fr); }
  .industry { grid-template-columns: repeat(2, 1fr); }
  .steps { gap: 18px; }
  .cta-band .cta-band__btns { grid-template-columns: 1fr 1fr; max-width: 640px; margin-left: auto; margin-right: auto; }
  .form__grid { grid-template-columns: 1fr 1fr; }
  .area { grid-template-columns: 1fr 1fr; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .price-points { grid-template-columns: repeat(3, 1fr); }
  .form { padding: 32px; }
}
@media (min-width: 960px) {
  .section { padding: 88px 0; }
  .section-title h2 { font-size: 32px; }
  .hero { padding: 72px 0 80px; }
  .hero__grid { grid-template-columns: 1.15fr 1fr; align-items: center; }
  .hero h1 { font-size: 42px; }
  .hero .ph { min-height: 340px; }
  .header__tel { display: flex; flex-direction: column; align-items: flex-end; line-height: 1.2; text-decoration: none; color: var(--c-text); }
  .header__tel strong { font-size: 20px; color: var(--c-primary); letter-spacing: 0.03em; }
  .header__tel span { font-size: 11px; color: var(--c-muted); }
  .util { display: block; }
  .nav { display: block; }
  .nav .nav__sub { display: none; }
  .nav ul { gap: 2px; }
  .nav a { font-size: 13px; padding: 8px 8px; }
  .header__tel span { display: none; }
  .menu-btn { display: none; }
  .card-grid--3 { grid-template-columns: repeat(3, 1fr); }
  .card-grid--5 { grid-template-columns: repeat(5, 1fr); }
  .card-grid--5 .card { padding: 20px 16px; }
  .card-grid--5 .card h3 { font-size: 16px; }
  .industry { grid-template-columns: repeat(2, 1fr); }
  .industry__item { grid-template-columns: 120px 1fr; }
  .steps { grid-template-columns: repeat(5, 1fr); }
  .step { padding: 64px 18px 20px; }
  .step::before { left: 18px; top: 16px; }
  .contact-grid { grid-template-columns: 1.4fr 1fr; align-items: start; }
  .footer__grid { grid-template-columns: 1.4fr 1fr 1fr; }
  .mobile-cta { display: none; }
  body { padding-bottom: 0; }
  .case-detail { grid-template-columns: 1fr 1.6fr; }
  .page-hero h1 { font-size: 34px; }
  .cases-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (min-width: 1200px) {
  .nav ul { gap: 4px; }
  .nav a { font-size: 14px; padding: 8px 12px; }
  .header__tel span { display: block; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}