/* =============================================
   K Hand Works - style.css
   Black × Gold Professional Design
   ============================================= */

:root {
  --gold:       #b8960c;
  --gold-light: #d4aa20;
  --gold-bg:    rgba(184,150,12,0.1);
  --navy:       #0d1b2e;
  --navy-mid:   #1a2744;
  --black:      #111111;
  --text:       #1a1a1a;
  --gray:       #6b7280;
  --gray-light: #9ca3af;
  --border:     #e5e7eb;
  --bg-light:   #f8f7f2;
  --white:      #ffffff;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Noto Sans JP', sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.75;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ── LAYOUT ── */
.inner { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

/* ── HEADER ── */
#header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(13,27,46,0.96);
  border-bottom: 1px solid rgba(184,150,12,0.22);
  backdrop-filter: blur(8px);
  transition: background 0.3s;
}
.header-inner {
  max-width: 1080px; margin: 0 auto;
  padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between;
  height: 62px;
}
.header-logo {
  display: flex; align-items: center; gap: 10px;
}
.logo-mark {
  width: 42px; height: 42px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.logo-mark img { width: 100%; height: 100%; object-fit: contain; }
.logo-text { display: flex; flex-direction: column; line-height: 1.2; }
.logo-name {
  font-size: 15px; font-weight: 700; color: var(--white);
  letter-spacing: 0.08em;
}
.logo-sub {
  font-size: 8px; color: var(--gold); letter-spacing: 0.12em;
  text-transform: uppercase;
}

/* ── LOGO IMAGE ── */
.header-logo-img {
  height: 38px;
  width: auto;
  /* ダーク背景で白＋ゴールドに見せるフィルター */
  filter: brightness(0) invert(1) sepia(1) saturate(1.2) hue-rotate(355deg);
  flex-shrink: 0;
}
.footer-logo-img {
  height: 34px;
  width: auto;
  filter: brightness(0) invert(1) sepia(1) saturate(1.2) hue-rotate(355deg);
  opacity: 0.85;
}
.company-logo-img {
  max-height: 60px;
  width: auto;
}

/* ── HAMBURGER ── */
.hamburger {
  background: none; border: none; cursor: pointer;
  display: flex; flex-direction: column; gap: 5px;
  padding: 8px; z-index: 200;
}
.hamburger span {
  display: block; width: 24px; height: 2px;
  background: var(--white); transition: all 0.3s;
}
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

/* ── DRAWER ── */
.overlay {
  position: fixed; inset: 0; z-index: 150;
  background: rgba(0,0,0,0.55);
  opacity: 0; pointer-events: none; transition: opacity 0.3s;
}
.overlay.show { opacity: 1; pointer-events: all; }
.nav-drawer {
  position: fixed; top: 0; right: -300px; bottom: 0; z-index: 160;
  width: 280px; background: var(--navy);
  padding: 80px 32px 48px;
  transition: right 0.3s ease;
  overflow-y: auto;
}
.nav-drawer.open { right: 0; }
.nav-drawer ul { display: flex; flex-direction: column; gap: 2px; }
.nav-drawer ul li a {
  display: block; padding: 13px 0;
  font-size: 13px; font-weight: 500; color: rgba(255,255,255,0.8);
  border-bottom: 1px solid rgba(255,255,255,0.07);
  transition: color 0.2s, padding-left 0.2s;
}
.nav-drawer ul li a:hover { color: var(--gold); padding-left: 8px; }
.nav-drawer ul li a.active { color: var(--gold); }
.drawer-contact {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid rgba(184,150,12,0.2);
  display: flex; flex-direction: column; gap: 10px;
}
.drawer-tel {
  font-size: 22px; font-weight: 700; color: var(--white);
  letter-spacing: 0.04em;
}
.drawer-mail { font-size: 12px; color: rgba(255,255,255,0.5); }

/* ── HERO (TOP) ── */
.hero {
  position: relative;
  min-height: 100vh;
  background: linear-gradient(145deg, #05101e 0%, #0d1b2e 55%, #1a1205 100%);
  display: flex; align-items: center;
  padding: 120px 0 80px;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 60% 80% at 80% 50%, rgba(184,150,12,0.07) 0%, transparent 60%);
}
.hero::after {
  content: '';
  position: absolute; bottom: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}
.hero-inner {
  position: relative; z-index: 1;
  max-width: 1080px; margin: 0 auto; padding: 0 24px;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  border: 1px solid rgba(184,150,12,0.45);
  border-radius: 2px;
  padding: 5px 14px;
  font-size: 10px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--gold); font-weight: 700;
  margin-bottom: 24px;
}
.hero h1 {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(26px, 4.5vw, 50px);
  font-weight: 900; color: var(--white);
  line-height: 1.45; margin-bottom: 24px;
  max-width: 700px;
}
.hero h1 em { font-style: normal; color: var(--gold); }
.hero-sub {
  font-size: 14px; color: rgba(255,255,255,0.65);
  line-height: 1.9; margin-bottom: 20px; max-width: 520px;
}
.hero-certs {
  display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 40px;
}
.cert-tag {
  display: inline-block;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: 2px;
  padding: 4px 12px;
  font-size: 11px; color: rgba(255,255,255,0.65);
}
.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; }

/* ── BUTTONS ── */
.btn-primary {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  background: var(--gold); color: var(--navy);
  font-size: 14px; font-weight: 700;
  padding: 14px 32px; border-radius: 2px;
  border: 2px solid var(--gold);
  transition: all 0.2s; letter-spacing: 0.04em;
}
.btn-primary:hover { background: var(--gold-light); border-color: var(--gold-light); transform: translateY(-2px); }
.btn-outline {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  background: transparent; color: var(--white);
  font-size: 14px; font-weight: 700;
  padding: 14px 32px; border-radius: 2px;
  border: 2px solid rgba(255,255,255,0.35);
  transition: all 0.2s;
}
.btn-outline:hover { border-color: var(--gold); color: var(--gold); transform: translateY(-2px); }
.btn-line {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  background: #06C755; color: var(--white);
  font-size: 14px; font-weight: 700;
  padding: 14px 32px; border-radius: 2px;
  border: 2px solid #06C755;
  transition: all 0.2s;
}
.btn-line:hover { background: #05a847; border-color: #05a847; transform: translateY(-2px); }

/* ── SECTION HEADING ── */
.section-heading { text-align: center; margin-bottom: 56px; }
.section-heading .en {
  display: block;
  font-size: 10px; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--gold); font-weight: 700; margin-bottom: 8px;
}
.section-heading h2 {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(20px, 3.5vw, 30px); font-weight: 700; color: var(--navy);
}
.section-heading.light h2 { color: var(--white); }
.section-heading .desc {
  font-size: 13px; color: var(--gray);
  margin-top: 12px; line-height: 1.8;
}
.section-heading.light .desc { color: rgba(255,255,255,0.6); }

/* ── HUB CARDS (TOP) ── */
.section-hub { padding: 88px 0; background: var(--bg-light); }
.hub-grid {
  display: grid; grid-template-columns: repeat(3,1fr); gap: 24px;
}
.hub-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-top: 3px solid var(--gold);
  border-radius: 2px;
  padding: 36px 28px;
  display: flex; flex-direction: column;
  transition: all 0.25s;
}
.hub-card:hover { transform: translateY(-6px); box-shadow: 0 16px 40px rgba(0,0,0,0.1); }
.hub-icon { margin-bottom: 16px; }
.hub-icon svg { width: 30px; height: 30px; color: var(--gold); }
.hub-en {
  font-size: 9px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--gold); font-weight: 700; margin-bottom: 6px;
}
.hub-card h3 {
  font-size: 17px; font-weight: 700; color: var(--navy);
  margin-bottom: 12px; line-height: 1.45;
}
.hub-card p { font-size: 13px; color: var(--gray); line-height: 1.85; flex: 1; margin-bottom: 20px; }
.hub-price {
  font-size: 12px; color: var(--gold); font-weight: 700;
  background: var(--gold-bg);
  border: 1px solid rgba(184,150,12,0.28);
  border-radius: 2px;
  padding: 6px 12px; display: inline-block; margin-bottom: 20px;
}
.hub-link {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 13px; font-weight: 700; color: var(--gold);
  transition: gap 0.2s; margin-top: auto;
}
.hub-link:hover { gap: 10px; }

/* ── TRUST SECTION ── */
.section-trust { padding: 88px 0; background: var(--navy); }
.trust-grid {
  display: grid; grid-template-columns: repeat(2,1fr); gap: 16px;
  margin-bottom: 40px;
}
.trust-item {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(184,150,12,0.18);
  border-radius: 2px;
  padding: 20px 24px;
  display: flex; align-items: flex-start; gap: 14px;
}
.trust-icon {
  width: 36px; height: 36px;
  background: rgba(184,150,12,0.1);
  border: 1px solid rgba(184,150,12,0.35);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.trust-icon svg { width: 18px; height: 18px; color: var(--gold); }
.trust-name { font-size: 13px; font-weight: 700; color: var(--white); margin-bottom: 2px; }
.trust-cat { font-size: 10px; color: var(--gold); letter-spacing: 0.05em; }

.area-strip {
  background: rgba(184,150,12,0.08);
  border: 1px solid rgba(184,150,12,0.25);
  border-radius: 2px;
  padding: 20px 28px;
  display: flex; align-items: center; gap: 20px; flex-wrap: wrap;
}
.area-label { font-size: 10px; color: var(--gold); font-weight: 700; letter-spacing: 0.1em; white-space: nowrap; }
.area-text { font-size: 14px; color: rgba(255,255,255,0.8); }

.trust-item-full { grid-column: 1 / -1; }

/* ── INSURANCE STRIP ── */
.insurance-strip {
  display: flex; align-items: flex-start; gap: 16px;
  max-width: 720px; margin: 0 auto;
  background: rgba(184,150,12,0.08);
  border: 1px solid rgba(184,150,12,0.25);
  border-radius: 2px;
  padding: 24px 28px;
  text-align: left;
}
.insurance-icon {
  width: 36px; height: 36px; flex-shrink: 0;
  background: rgba(184,150,12,0.1);
  border: 1px solid rgba(184,150,12,0.35);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
}
.insurance-icon svg { width: 18px; height: 18px; color: var(--gold); }
.insurance-text { font-size: 13px; color: var(--gray); line-height: 1.9; }

/* ── PAGE HERO ── */
.page-hero {
  background: var(--navy);
  padding: 120px 0 64px;
  position: relative; overflow: hidden;
}
.page-hero::after {
  content: '';
  position: absolute; bottom: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--gold) 0%, rgba(184,150,12,0.2) 100%);
}
.page-hero-inner { position: relative; z-index: 1; }
.en-label {
  display: block;
  font-size: 9px; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--gold); font-weight: 700; margin-bottom: 10px;
}
.page-hero h1 {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(22px, 3.5vw, 38px); font-weight: 900;
  color: var(--white); margin-bottom: 14px; line-height: 1.35;
}
.page-desc { font-size: 14px; color: rgba(255,255,255,0.65); max-width: 560px; line-height: 1.85; }

.breadcrumb {
  background: #0b1626;
  padding: 12px 0;
  font-size: 11px; color: rgba(255,255,255,0.4);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.breadcrumb a { color: rgba(255,255,255,0.4); }
.breadcrumb a:hover { color: var(--gold); }
.breadcrumb span { margin: 0 8px; }

/* ── SECTIONS ── */
.section { padding: 88px 0; }
.section.bg-light { background: var(--bg-light); }
.section.bg-dark { background: var(--navy); }

/* ── SERVICE MENU ── */
.service-menu {
  display: grid; grid-template-columns: repeat(2,1fr); gap: 16px;
}
.service-menu-3col { grid-template-columns: repeat(3,1fr); }
.service-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-left: 3px solid var(--gold);
  border-radius: 2px;
  padding: 20px 24px;
}
.service-item h3 { font-size: 14px; font-weight: 700; color: var(--navy); margin-bottom: 6px; }
.service-item p { font-size: 13px; color: var(--gray); line-height: 1.75; }

/* ── PRICE TABLE ── */
.price-section { padding: 88px 0; background: var(--navy); }
.price-wrap { overflow-x: auto; }
.price-table {
  width: 100%; border-collapse: collapse;
  min-width: 560px;
}
.price-table th {
  background: rgba(184,150,12,0.15);
  color: var(--gold); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase;
  padding: 14px 20px; text-align: left;
  border: 1px solid rgba(184,150,12,0.2);
}
.price-table td {
  padding: 16px 20px; border: 1px solid rgba(255,255,255,0.07);
  color: rgba(255,255,255,0.82); font-size: 14px;
}
.price-table tr:nth-child(even) td { background: rgba(255,255,255,0.025); }
.price-num { font-size: 18px; font-weight: 700; color: var(--gold); }
.price-note {
  font-size: 11px; color: rgba(255,255,255,0.45);
  margin-top: 14px; line-height: 1.8;
}

/* ── DETAIL GRID ── */
.detail-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 48px;
  align-items: center;
}
.detail-img {
  background: linear-gradient(135deg, var(--navy), #1a2744);
  border-radius: 2px; aspect-ratio: 4/3;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.detail-img img { width: 100%; height: 100%; object-fit: cover; }
.img-placeholder { font-size: 12px; color: rgba(255,255,255,0.3); text-align: center; }
.detail-text h2 {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(18px, 2.5vw, 24px); font-weight: 700; color: var(--navy);
  margin-bottom: 16px; line-height: 1.4;
}
.detail-text p { font-size: 14px; color: var(--gray); line-height: 1.9; margin-bottom: 12px; }
.detail-list { margin-top: 20px; display: flex; flex-direction: column; gap: 8px; }
.detail-list li {
  font-size: 13px; color: var(--text);
  display: flex; align-items: baseline; gap: 8px;
}
.detail-list li::before {
  content: '✓';
  color: var(--gold); font-weight: 700; flex-shrink: 0;
}

/* ── INFRA LIST ── */
.infra-grid {
  display: grid; grid-template-columns: repeat(3,1fr); gap: 20px;
}
.infra-item {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(184,150,12,0.15);
  border-radius: 2px;
  padding: 24px 20px;
  text-align: center;
}
.infra-item .icon { margin-bottom: 12px; }
.infra-item .icon svg { width: 28px; height: 28px; color: var(--gold); }
.infra-item h3 { font-size: 13px; font-weight: 700; color: var(--white); margin-bottom: 8px; }
.infra-item p { font-size: 12px; color: rgba(255,255,255,0.55); line-height: 1.7; }

/* ── ASBESTOS RISK ── */
.risk-box {
  background: rgba(220,38,38,0.08);
  border: 1px solid rgba(220,38,38,0.25);
  border-left: 3px solid #ef4444;
  border-radius: 2px;
  padding: 24px 28px;
  margin-bottom: 32px;
}
.risk-box h3 { font-size: 15px; font-weight: 700; color: #b91c1c; margin-bottom: 8px; display: flex; align-items: center; gap: 7px; }
.risk-box h3 svg { width: 17px; height: 17px; flex-shrink: 0; }
.risk-box p { font-size: 13px; color: var(--text); line-height: 1.8; }

/* ── PROFILE ── */
.cert-group { margin-bottom: 44px; }
.cert-group-title {
  font-size: 10px; letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--gold); font-weight: 700;
  border-bottom: 1px solid rgba(184,150,12,0.25);
  padding-bottom: 8px; margin-bottom: 16px;
}
.cert-row {
  display: flex; align-items: center; gap: 12px;
  padding: 11px 0; border-bottom: 1px solid var(--border);
}
.cert-icon { flex-shrink: 0; display: flex; }
.cert-icon svg { width: 16px; height: 16px; color: var(--gold); }
.cert-label { font-size: 14px; color: var(--text); flex: 1; }
.cert-badge {
  font-size: 10px; color: var(--gold); font-weight: 700;
  background: var(--gold-bg);
  border: 1px solid rgba(184,150,12,0.3);
  border-radius: 2px; padding: 2px 8px;
  white-space: nowrap;
}

/* ── WORKS ── */
.works-filter { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 32px; }
.filter-btn {
  padding: 8px 20px;
  background: var(--white); border: 1px solid var(--border);
  border-radius: 2px; font-size: 13px; color: var(--gray);
  cursor: pointer; transition: all 0.2s;
  font-family: 'Noto Sans JP', sans-serif;
}
.filter-btn.active, .filter-btn:hover {
  background: var(--gold); border-color: var(--gold);
  color: var(--navy); font-weight: 700;
}
.works-grid {
  display: grid; grid-template-columns: repeat(3,1fr); gap: 24px;
}
.work-card {
  background: var(--white); border: 1px solid var(--border);
  border-radius: 2px; overflow: hidden; transition: all 0.2s;
}
.work-card:hover { transform: translateY(-4px); box-shadow: 0 8px 28px rgba(0,0,0,0.1); }
.work-img {
  height: 200px;
  background: linear-gradient(135deg, var(--navy), #1a2744);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.work-img img { width: 100%; height: 100%; object-fit: cover; }

/* ── BEFORE / AFTER ── */
.ba-wrap { display: flex; }
.ba-item { position: relative; flex: 1; overflow: hidden; }
.ba-item img { width: 100%; height: 100%; object-fit: cover; display: block; }
.ba-label {
  position: absolute; top: 8px; left: 8px;
  padding: 3px 10px; border-radius: 2px;
  font-size: 10px; font-weight: 700; letter-spacing: 0.05em; color: #fff;
}
.ba-before { background: rgba(100,100,100,0.85); }
.ba-after { background: rgba(217,111,26,0.9); }

.work-body { padding: 18px 20px; }
.work-tag {
  display: inline-block;
  background: var(--gold-bg); border: 1px solid rgba(184,150,12,0.28);
  border-radius: 2px; padding: 3px 10px;
  font-size: 10px; color: var(--gold); font-weight: 700; margin-bottom: 8px;
}
.work-body h3 { font-size: 14px; font-weight: 700; color: var(--navy); margin-bottom: 4px; }
.work-body p { font-size: 12px; color: var(--gray); }

/* ── CONTACT ── */
.contact-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start;
}
.company-info dt {
  font-size: 9px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--gold); font-weight: 700; margin-bottom: 2px; margin-top: 18px;
}
.company-info dt:first-child { margin-top: 0; }
.company-info dd { font-size: 14px; color: var(--text); }
.company-info dd a { color: var(--navy); transition: color 0.2s; }
.company-info dd a:hover { color: var(--gold); }
.contact-btns { display: flex; flex-direction: column; gap: 12px; margin-top: 24px; }

.form-group { margin-bottom: 20px; }
.form-label { display: block; font-size: 12px; font-weight: 700; color: var(--navy); margin-bottom: 6px; }
.form-label .req { color: #ef4444; margin-left: 4px; font-size: 10px; font-weight: 700; }
.form-input, .form-textarea {
  width: 100%; padding: 12px 16px;
  border: 1px solid var(--border); border-radius: 2px;
  font-size: 14px; font-family: 'Noto Sans JP', sans-serif;
  color: var(--text); transition: border-color 0.2s; background: var(--white);
}
.form-input:focus, .form-textarea:focus {
  outline: none; border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(184,150,12,0.1);
}
.form-textarea { min-height: 140px; resize: vertical; }
.form-submit {
  width: 100%; padding: 16px;
  background: var(--gold); color: var(--navy);
  font-size: 15px; font-weight: 700;
  border: none; border-radius: 2px; cursor: pointer;
  transition: all 0.2s; font-family: 'Noto Sans JP', sans-serif;
}
.form-submit:hover { background: var(--gold-light); transform: translateY(-2px); }
.form-submit:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }
.form-status { margin-top: 12px; font-size: 13px; font-weight: 700; display: none; }
.form-status.show { display: block; }
.form-status.success { color: #15803d; }
.form-status.error { color: #dc2626; }

/* ── CTA SECTION ── */
.section-cta {
  padding: 88px 0;
  background: linear-gradient(145deg, var(--navy) 0%, #05101e 100%);
  text-align: center;
  border-top: 1px solid rgba(184,150,12,0.18);
}
.cta-sub { font-size: 10px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--gold); font-weight: 700; margin-bottom: 12px; }
.section-cta h2 {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(20px, 3vw, 28px); color: var(--white); margin-bottom: 16px;
}
.cta-text { font-size: 14px; color: rgba(255,255,255,0.65); margin-bottom: 36px; line-height: 1.85; }
.cta-tel {
  display: inline-block;
  font-size: 36px; font-weight: 700; color: var(--white); letter-spacing: 0.04em;
}
.cta-hours { display: block; font-size: 12px; color: rgba(255,255,255,0.45); margin-top: 4px; margin-bottom: 32px; }
.cta-btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ── FOOTER ── */
footer {
  background: #0a0e18;
  border-top: 1px solid rgba(184,150,12,0.18);
  padding: 56px 0 24px;
}
.footer-top {
  display: grid; grid-template-columns: 220px 1fr; gap: 48px;
  padding-bottom: 36px; border-bottom: 1px solid rgba(255,255,255,0.07);
  margin-bottom: 20px;
}
.footer-brand .footer-logo-mark {
  display: flex; align-items: center; gap: 10px; margin-bottom: 12px;
}
.footer-brand .logo-name { font-size: 15px; font-weight: 700; color: var(--white); letter-spacing: 0.08em; }
.footer-tagline { font-size: 10px; color: rgba(255,255,255,0.3); letter-spacing: 0.12em; text-transform: uppercase; }
.footer-nav-grid {
  display: grid; grid-template-columns: repeat(3,1fr); gap: 6px 16px; align-content: start;
}
.footer-nav-grid a {
  font-size: 12px; color: rgba(255,255,255,0.45); padding: 5px 0;
  transition: color 0.2s; border-bottom: none;
}
.footer-nav-grid a:hover { color: var(--gold); }
.footer-copy { font-size: 11px; color: rgba(255,255,255,0.28); text-align: center; }

/* ── BACK TO TOP ── */
.back-to-top {
  position: fixed; bottom: 24px; right: 24px; z-index: 90;
  width: 44px; height: 44px;
  background: var(--gold); border-radius: 2px;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  color: var(--navy); font-size: 10px; font-weight: 700;
  box-shadow: 0 4px 12px rgba(184,150,12,0.4);
  opacity: 0; pointer-events: none; transition: all 0.3s;
}
.back-to-top.show { opacity: 1; pointer-events: all; }
.back-to-top:hover { transform: translateY(-3px); }
.back-to-top .arrow { font-size: 14px; line-height: 1; }

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  .hub-grid,
  .trust-grid,
  .infra-grid,
  .works-grid,
  .contact-grid { grid-template-columns: 1fr; }
  .service-menu { grid-template-columns: 1fr; }
  .detail-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 24px; }
  .footer-nav-grid { grid-template-columns: repeat(2,1fr); }
  .hero { min-height: auto; padding: 100px 0 60px; }
  .hero-btns, .cta-btns { flex-direction: column; align-items: flex-start; }
  .section-cta .cta-btns { align-items: center; }
  .cta-tel { font-size: 28px; }
  .price-table th, .price-table td { padding: 12px 14px; font-size: 13px; }
}

/* ── MOBILE STICKY BAR ── */
.mobile-sticky-bar { display: none; }
@media (max-width: 768px) {
  body { padding-bottom: 58px; }
  .mobile-sticky-bar {
    display: flex; position: fixed; bottom: 0; left: 0; right: 0; z-index: 500;
    box-shadow: 0 -2px 12px rgba(0,0,0,0.18);
  }
  .msb-btn {
    flex: 1; display: flex; align-items: center; justify-content: center; gap: 6px;
    padding: 15px 0; font-weight: 700; font-size: 14px; text-decoration: none;
  }
  .msb-tel { background: var(--navy); color: #fff; }
  .msb-line { background: #06C755; color: #fff; }
}