/* ================================================
   東光パートナーズ — 低圧系統用蓄電池ページ style.css
   ブランドトークンは https://toko-p.jp/css/style.css と統一
   ================================================ */

/* ===== Variables ===== */
:root {
  --navy:       #0D2240;
  --navy-mid:   #1B3A4B;
  --cyan:       #00C4CC;
  --cyan-light: #33D3D9;
  --gold:       #B8922A;
  --white:      #FFFFFF;
  --off-white:  #F5F7FA;
  --gray-light: #E8EDF5;
  --gray:       #8A9BB5;
  --text:       #1A1A2E;
  --text-light: #4A5568;
  --ease:       all 0.3s ease;
  --container:  1120px;
  --font-body:  'Noto Sans JP', 'Helvetica Neue', Arial, sans-serif;
  --font-en:    'Inter', 'Helvetica Neue', sans-serif;
}

/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--white);
  line-height: 1.9;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

/* ===== Accessibility ===== */
.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 2000;
  background: var(--cyan); color: var(--white);
  padding: 12px 20px; border-radius: 0 0 6px 0; font-weight: 600;
}
.skip-link:focus { left: 0; }
:focus-visible { outline: 3px solid var(--cyan); outline-offset: 2px; border-radius: 3px; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

/* ===== Navigation ===== */
#nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 20px 40px;
  display: flex; align-items: center; justify-content: space-between;
  background: rgba(13, 34, 64, 0.0);
  transition: var(--ease);
}
#nav.scrolled {
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  padding: 12px 40px; box-shadow: 0 2px 24px rgba(13, 34, 64, 0.08);
}
.nav-logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.nav-logo-img { height: 38px; width: 38px; object-fit: cover; border-radius: 6px; }
.nav-logo-text { display: flex; flex-direction: column; }
.nav-logo-main {
  font-family: var(--font-en); font-size: 17px; font-weight: 700;
  color: var(--white); letter-spacing: 0.06em; transition: color 0.3s;
}
.nav-logo-sub { font-size: 10px; color: rgba(255,255,255,0.6); letter-spacing: 0.07em; transition: color 0.3s; }
#nav.scrolled .nav-logo-main { color: var(--navy); }
#nav.scrolled .nav-logo-sub { color: var(--gray); }

.nav-links { display: flex; gap: 26px; align-items: center; }
.nav-links a {
  font-size: 13px; font-weight: 500; color: rgba(255,255,255,0.82);
  letter-spacing: 0.04em; transition: var(--ease); position: relative;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: -3px; left: 0; right: 0;
  height: 1px; background: var(--cyan); transform: scaleX(0); transition: transform 0.25s;
}
.nav-links a:hover::after { transform: scaleX(1); }
#nav.scrolled .nav-links a { color: var(--navy); }
.nav-cta {
  padding: 9px 20px !important; background: var(--cyan) !important;
  color: var(--white) !important; border-radius: 4px; font-weight: 600 !important;
}
.nav-cta:hover { background: var(--cyan-light) !important; }
.nav-cta::after { display: none !important; }

.hamburger {
  display: none; flex-direction: column; gap: 5px; cursor: pointer;
  background: none; border: none; padding: 4px;
}
.hamburger span { display: block; width: 24px; height: 2px; background: var(--white); border-radius: 2px; transition: var(--ease); }
#nav.scrolled .hamburger span { background: var(--navy); }
.mobile-menu {
  display: none; position: fixed; inset: 0; background: var(--navy); z-index: 999;
  flex-direction: column; align-items: center; justify-content: center; gap: 28px;
}
.mobile-menu.open { display: flex; }
.mobile-menu a { font-size: 19px; font-weight: 500; color: var(--white); letter-spacing: 0.05em; }
.mobile-menu-close { position: absolute; top: 22px; right: 26px; font-size: 26px; color: var(--white); background: none; border: none; cursor: pointer; }

/* ===== Buttons ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border-radius: 4px; letter-spacing: 0.03em; font-weight: 600; cursor: pointer;
  transition: var(--ease); border: none; font-family: var(--font-body); text-align: center;
}
.btn-primary { padding: 15px 28px; background: var(--cyan); color: var(--white); font-size: 14px; }
.btn-primary:hover { background: var(--cyan-light); transform: translateY(-2px); box-shadow: 0 8px 28px rgba(0,196,204,0.32); }
.btn-gold { padding: 15px 28px; background: var(--gold); color: var(--white); font-size: 14px; }
.btn-gold:hover { background: #cca23a; transform: translateY(-2px); box-shadow: 0 8px 28px rgba(184,146,42,0.3); }
.btn-outline-light {
  padding: 15px 28px; background: transparent; color: var(--white);
  border: 1px solid rgba(255,255,255,0.34); font-size: 14px; font-weight: 500;
}
.btn-outline-light:hover { border-color: rgba(255,255,255,0.75); background: rgba(255,255,255,0.07); }

/* ===== Hero ===== */
.hero {
  position: relative; min-height: 100vh; display: flex; align-items: center;
  padding: 120px 40px 80px; overflow: hidden;
  background:
    radial-gradient(circle at 82% 18%, rgba(0,196,204,0.12) 0%, transparent 42%),
    linear-gradient(135deg, #0b1d36 0%, var(--navy) 46%, var(--navy-mid) 100%);
}
.hero::before {
  content: ''; position: absolute; inset: 0; pointer-events: none; opacity: 0.5;
  background-image:
    linear-gradient(rgba(255,255,255,0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.028) 1px, transparent 1px);
  background-size: 46px 46px;
  -webkit-mask-image: radial-gradient(circle at 70% 40%, #000 0%, transparent 75%);
  mask-image: radial-gradient(circle at 70% 40%, #000 0%, transparent 75%);
}
.hero-content { position: relative; z-index: 1; max-width: var(--container); margin: 0 auto; width: 100%; }
.hero-label {
  display: inline-flex; align-items: center; gap: 10px; font-family: var(--font-en);
  font-size: 11px; font-weight: 600; letter-spacing: 0.22em; color: var(--cyan);
  text-transform: uppercase; margin-bottom: 22px;
}
.hero-label::before { content: ''; width: 32px; height: 1px; background: var(--cyan); }
.hero-updated { font-size: 12px; color: rgba(255,255,255,0.5); margin-bottom: 14px; }
.hero-updated time { color: var(--cyan); font-family: var(--font-en); font-weight: 600; }
.hero h1 {
  font-size: clamp(28px, 4.6vw, 52px); font-weight: 700; color: var(--white);
  line-height: 1.34; letter-spacing: -0.01em; max-width: 940px;
}
.hero-lead {
  font-size: clamp(14px, 1.4vw, 16px); color: rgba(255,255,255,0.76);
  max-width: 720px; margin: 28px 0 38px; font-weight: 300; line-height: 2.1;
}
.hero-lead .em { color: var(--cyan); font-weight: 500; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }

/* ===== Stats bar ===== */
.stats-bar { background: var(--navy); border-top: 1px solid rgba(255,255,255,0.06); }
.stats-inner { max-width: var(--container); margin: 0 auto; display: grid; grid-template-columns: repeat(4,1fr); }
.stat-item { padding: 30px 24px; text-align: center; border-right: 1px solid rgba(255,255,255,0.07); }
.stat-item:last-child { border-right: none; }
.stat-number { font-family: var(--font-en); font-size: 26px; font-weight: 700; color: var(--cyan); line-height: 1.1; letter-spacing: -0.02em; }
.stat-number .u { font-size: 13px; font-weight: 500; opacity: 0.8; margin-left: 2px; }
.stat-label { font-size: 11px; color: rgba(255,255,255,0.5); letter-spacing: 0.03em; margin-top: 8px; }

/* ===== Section base ===== */
section { padding: 92px 40px; }
.container { max-width: var(--container); margin: 0 auto; }
.narrow { max-width: 820px; }
.section-label {
  font-family: var(--font-en); font-size: 11px; font-weight: 600;
  letter-spacing: 0.22em; color: var(--cyan); text-transform: uppercase;
  margin-bottom: 14px; display: flex; align-items: center; gap: 12px;
}
.section-label::before { content: ''; width: 22px; height: 1px; background: var(--cyan); }
h2.section-title {
  font-size: clamp(22px, 2.9vw, 34px); font-weight: 700; line-height: 1.42;
  letter-spacing: -0.01em; margin-bottom: 26px; color: var(--navy);
}
h3.sub-title {
  font-size: clamp(18px, 2.1vw, 23px); font-weight: 700; line-height: 1.5;
  margin: 48px 0 18px; color: var(--navy);
}
.prose p { font-size: 15.5px; color: var(--text); line-height: 2.05; margin-bottom: 22px; }
.prose p.lead-answer {
  font-size: 16.5px; font-weight: 500; color: var(--navy);
  border-left: 3px solid var(--cyan); padding: 4px 0 4px 20px; background: linear-gradient(90deg, rgba(0,196,204,0.05), transparent);
}
.prose a.inline-link { color: var(--cyan); font-weight: 600; border-bottom: 1px solid rgba(0,196,204,0.4); }
.prose a.inline-link:hover { border-bottom-color: var(--cyan); }
sup.cite { font-family: var(--font-en); font-size: 11px; font-weight: 600; }
sup.cite a { color: var(--cyan); }
sup.cite a:hover { text-decoration: underline; }

/* alternating section backgrounds */
.bg-off { background: var(--off-white); }
.bg-white { background: var(--white); }
.bg-navy { background: var(--navy); }
.bg-navy h2.section-title, .bg-navy h3.sub-title { color: var(--white); }
.bg-navy .prose p { color: rgba(255,255,255,0.74); }
.bg-navy .section-desc { color: rgba(255,255,255,0.6); }

/* ===== TOC ===== */
.toc { background: var(--navy-mid); }
.toc-inner { max-width: var(--container); margin: 0 auto; padding: 26px 40px; }
.toc-title { font-size: 11px; font-weight: 700; letter-spacing: 0.16em; color: var(--cyan); text-transform: uppercase; margin-bottom: 14px; font-family: var(--font-en); }
.toc-list { display: flex; flex-wrap: wrap; gap: 8px 10px; }
.toc-list a {
  font-size: 13px; color: rgba(255,255,255,0.78); padding: 7px 14px;
  border: 1px solid rgba(255,255,255,0.12); border-radius: 100px; transition: var(--ease);
}
.toc-list a:hover { border-color: var(--cyan); color: var(--white); background: rgba(0,196,204,0.08); }

/* ===== Comparison table ===== */
.table-scroll { overflow-x: auto; margin-top: 12px; -webkit-overflow-scrolling: touch; }
.compare-table { width: 100%; min-width: 560px; border-collapse: collapse; font-size: 14px; }
.compare-table caption { text-align: left; font-size: 12px; color: var(--gray); margin-bottom: 10px; }
.compare-table th, .compare-table td { padding: 15px 18px; text-align: left; border-bottom: 1px solid var(--gray-light); vertical-align: top; }
.compare-table thead th { background: var(--navy); color: var(--white); font-weight: 600; font-size: 13px; letter-spacing: 0.02em; border-bottom: none; }
.compare-table thead th:first-child { background: var(--navy-mid); }
.compare-table tbody th { font-weight: 600; color: var(--text-light); width: 26%; background: var(--off-white); }
.compare-table .col-low { color: var(--navy); font-weight: 600; }
.compare-table tbody tr:hover td { background: rgba(0,196,204,0.04); }

/* ===== SVG figure blocks ===== */
.figure { margin: 34px 0 8px; background: var(--white); border: 1px solid var(--gray-light); border-radius: 12px; padding: 30px 28px; }
.bg-navy .figure { background: rgba(255,255,255,0.04); border-color: rgba(255,255,255,0.09); }
.figure-signature { background: linear-gradient(160deg, #0b1d36, var(--navy)); border: 1px solid rgba(0,196,204,0.22); }
.figure svg { width: 100%; height: auto; }
.figure figcaption { font-size: 12.5px; color: var(--text-light); margin-top: 16px; line-height: 1.75; }
.figure-signature figcaption { color: rgba(255,255,255,0.6); }

/* ===== Checklist / callout ===== */
.check-list { display: flex; flex-direction: column; gap: 14px; margin: 28px 0 8px; }
.check-item {
  display: flex; gap: 16px; align-items: flex-start;
  background: var(--white); border: 1px solid var(--gray-light);
  border-radius: 10px; padding: 20px 22px; transition: var(--ease);
}
.check-item:hover { border-color: rgba(0,196,204,0.35); box-shadow: 0 8px 30px rgba(13,34,64,0.06); }
.check-mark {
  flex-shrink: 0; width: 30px; height: 30px; border-radius: 8px;
  background: rgba(0,196,204,0.1); color: var(--cyan);
  display: flex; align-items: center; justify-content: center;
}
.check-mark svg { width: 17px; height: 17px; }
.check-body { flex: 1; }
.check-title { font-size: 15px; font-weight: 700; color: var(--navy); margin-bottom: 5px; line-height: 1.55; }
.check-desc { font-size: 14px; color: var(--text-light); line-height: 1.8; }

/* numbered "3 points" list */
.point-list { counter-reset: pt; display: flex; flex-direction: column; gap: 14px; margin: 26px 0 8px; }
.point-item {
  position: relative; background: var(--white); border: 1px solid var(--gray-light);
  border-radius: 10px; padding: 22px 24px 22px 62px;
}
.point-item::before {
  counter-increment: pt; content: counter(pt);
  position: absolute; left: 20px; top: 21px; width: 28px; height: 28px;
  background: var(--navy); color: var(--white); border-radius: 50%;
  font-family: var(--font-en); font-size: 13px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}
.point-title { font-size: 15px; font-weight: 700; color: var(--navy); margin-bottom: 4px; }
.point-desc { font-size: 14px; color: var(--text-light); line-height: 1.8; }

/* ===== Flow steps ===== */
.flow { margin: 32px 0 8px; display: flex; flex-direction: column; }
.flow-step { display: flex; gap: 20px; align-items: flex-start; position: relative; }
.flow-step:not(:last-child)::after {
  content: ''; position: absolute; left: 19px; top: 44px; bottom: -14px; width: 2px; background: var(--gray-light);
}
.step-num {
  min-width: 40px; height: 40px; border-radius: 50%;
  background: var(--off-white); border: 2px solid var(--gray-light);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-en); font-size: 14px; font-weight: 700;
  color: var(--navy); flex-shrink: 0; position: relative; z-index: 1; transition: var(--ease);
}
.flow-step:hover .step-num { background: var(--cyan); border-color: var(--cyan); color: var(--white); }
.step-body { padding: 8px 0 30px; }
.step-title { font-size: 15px; font-weight: 700; color: var(--navy); margin-bottom: 4px; }
.step-desc { font-size: 14px; color: var(--text-light); line-height: 1.78; }

/* ===== Cost highlight ===== */
.cost-band {
  display: flex; flex-wrap: wrap; gap: 14px; margin: 28px 0;
}
.cost-chip {
  background: var(--navy); color: var(--white); border-radius: 12px; padding: 22px 26px; flex: 1; min-width: 200px;
}
.cost-chip .k { font-size: 11px; letter-spacing: 0.08em; color: rgba(255,255,255,0.5); text-transform: uppercase; font-family: var(--font-en); }
.cost-chip .v { font-family: var(--font-en); font-size: 30px; font-weight: 700; color: var(--cyan); line-height: 1.2; margin-top: 6px; }
.cost-chip .v small { font-size: 15px; color: var(--white); }

/* ===== Changelog ===== */
.changelog { margin-top: 26px; border-left: 2px solid var(--gray-light); padding-left: 22px; display: flex; flex-direction: column; gap: 16px; }
.bg-navy .changelog { border-color: rgba(255,255,255,0.14); }
.changelog li { position: relative; }
.changelog li::before { content: ''; position: absolute; left: -27px; top: 8px; width: 9px; height: 9px; border-radius: 50%; background: var(--cyan); }
.changelog time { font-family: var(--font-en); font-size: 12px; font-weight: 600; color: var(--cyan); display: block; margin-bottom: 2px; }
.changelog p { font-size: 13.5px; color: rgba(255,255,255,0.7); line-height: 1.7; margin: 0; }

/* ===== FAQ (details/summary, JS-free) ===== */
.faq-list { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 10px; }
.faq-item {
  background: var(--white); border: 1px solid var(--gray-light); border-radius: 10px;
  overflow: hidden; transition: var(--ease); align-self: start;
}
.faq-item:hover { border-color: rgba(0,196,204,0.35); }
.faq-item summary {
  list-style: none; cursor: pointer; display: flex; gap: 12px; align-items: flex-start;
  padding: 20px 22px; font-size: 15px; font-weight: 700; color: var(--navy); line-height: 1.55;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::before {
  content: 'Q'; font-family: var(--font-en); font-size: 15px; font-weight: 800; color: var(--cyan); flex-shrink: 0; line-height: 1.4;
}
.faq-item summary::after {
  content: '+'; margin-left: auto; font-size: 20px; color: var(--gray); font-weight: 300; line-height: 1; transition: transform 0.25s;
}
.faq-item[open] summary::after { content: '\2013'; }
.faq-answer { padding: 0 22px 22px 48px; font-size: 14px; color: var(--text-light); line-height: 1.9; border-top: 1px solid var(--gray-light); padding-top: 16px; }

/* ===== Company / trust ===== */
.trust-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 34px; }
.trust-card { background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08); border-radius: 10px; padding: 26px 24px; transition: var(--ease); }
.trust-card:hover { border-color: rgba(0,196,204,0.28); background: rgba(255,255,255,0.06); }
.trust-icon { width: 40px; height: 40px; border-radius: 9px; background: rgba(0,196,204,0.12); color: var(--cyan); display: flex; align-items: center; justify-content: center; margin-bottom: 16px; }
.trust-title { font-size: 15px; font-weight: 700; color: var(--white); margin-bottom: 8px; }
.trust-desc { font-size: 13.5px; color: rgba(255,255,255,0.56); line-height: 1.85; }

/* ===== Contact / form ===== */
#contact { background: var(--navy); position: relative; overflow: hidden; }
#contact::after {
  content: ''; position: absolute; top: -120px; right: -120px; width: 460px; height: 460px; border-radius: 50%;
  background: radial-gradient(circle, rgba(0,196,204,0.08), transparent 70%); pointer-events: none;
}
.contact-inner { position: relative; z-index: 1; display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 60px; align-items: start; }
.contact-info .section-title { color: var(--white); }
.contact-info .prose p { color: rgba(255,255,255,0.66); }
.contact-benefits { margin-top: 28px; display: flex; flex-direction: column; gap: 16px; }
.cb-item { display: flex; gap: 12px; align-items: flex-start; font-size: 14px; color: rgba(255,255,255,0.78); line-height: 1.7; }
.cb-item svg { flex-shrink: 0; width: 20px; height: 20px; color: var(--cyan); margin-top: 3px; }

.form-shell { background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08); border-radius: 14px; padding: 8px; }
.form-tabs { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; padding: 6px; }
.form-tab {
  padding: 13px 10px; border-radius: 9px; background: transparent; border: 1px solid rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.6); font-family: var(--font-body); font-size: 13.5px; font-weight: 600; cursor: pointer; transition: var(--ease); line-height: 1.4;
}
.form-tab .t-sub { display: block; font-size: 10.5px; font-weight: 400; opacity: 0.7; margin-top: 3px; }
.form-tab[aria-selected="true"] { background: var(--cyan); border-color: var(--cyan); color: var(--white); }
.form-tab[aria-selected="true"] .t-sub { opacity: 0.9; }
.form-panel { padding: 26px 28px 30px; }
.form-panel[hidden] { display: none; }
.form-group { margin-bottom: 16px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-label { display: block; font-size: 11px; font-weight: 600; color: rgba(255,255,255,0.58); letter-spacing: 0.06em; margin-bottom: 7px; }
.form-label .req { color: var(--cyan); margin-left: 3px; }
.form-input, .form-select, .form-textarea {
  width: 100%; background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.12);
  border-radius: 6px; padding: 12px 14px; font-family: var(--font-body); font-size: 14px; color: var(--white); outline: none; transition: border-color 0.2s;
}
.form-input:focus, .form-select:focus, .form-textarea:focus { border-color: var(--cyan); }
.form-input::placeholder, .form-textarea::placeholder { color: rgba(255,255,255,0.3); }
.form-select option { background: var(--navy); color: var(--white); }
.form-textarea { resize: vertical; min-height: 100px; }
.form-consent { display: flex; gap: 10px; align-items: flex-start; font-size: 12.5px; color: rgba(255,255,255,0.6); line-height: 1.7; margin: 4px 0 18px; }
.form-consent input { margin-top: 4px; accent-color: var(--cyan); flex-shrink: 0; }
.form-consent a { color: var(--cyan); border-bottom: 1px solid rgba(0,196,204,0.4); }
.form-submit {
  width: 100%; padding: 15px; background: var(--cyan); color: var(--white); border: none; border-radius: 6px;
  font-family: var(--font-body); font-size: 15px; font-weight: 600; letter-spacing: 0.05em; cursor: pointer; transition: var(--ease);
}
.form-submit.gold { background: var(--gold); }
.form-submit:hover { background: var(--cyan-light); transform: translateY(-1px); box-shadow: 0 8px 24px rgba(0,196,204,0.3); }
.form-submit.gold:hover { background: #cca23a; box-shadow: 0 8px 24px rgba(184,146,42,0.3); }
.form-note { font-size: 11px; color: rgba(255,255,255,0.32); margin-top: 12px; text-align: center; line-height: 1.7; }
.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* ===== Sources ===== */
.sources { background: var(--off-white); }
.sources ol { counter-reset: src; display: flex; flex-direction: column; gap: 12px; }
.sources li { counter-increment: src; position: relative; padding-left: 34px; font-size: 13.5px; color: var(--text-light); line-height: 1.7; }
.sources li::before {
  content: counter(src); position: absolute; left: 0; top: 1px; width: 22px; height: 22px;
  background: var(--navy); color: var(--white); border-radius: 5px; font-family: var(--font-en); font-size: 11px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}
.sources a { color: var(--navy); font-weight: 600; border-bottom: 1px solid var(--gray-light); }
.sources a:hover { color: var(--cyan); border-bottom-color: var(--cyan); }
.sources .disclaimer { margin-top: 24px; font-size: 12px; color: var(--gray); line-height: 1.8; }

/* ===== Mobile fixed CTA ===== */
.mobile-cta {
  display: none; position: fixed; bottom: 0; left: 0; right: 0; z-index: 900;
  background: rgba(13,34,64,0.97); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  padding: 10px 14px calc(10px + env(safe-area-inset-bottom, 0px)); gap: 8px;
  border-top: 1px solid rgba(0,196,204,0.25);
}
.mobile-cta a { flex: 1; padding: 13px 6px; border-radius: 6px; font-size: 12.5px; font-weight: 600; text-align: center; line-height: 1.35; }
.mobile-cta .m-buy { background: var(--cyan); color: var(--white); }
.mobile-cta .m-sell { background: transparent; color: var(--white); border: 1px solid rgba(255,255,255,0.4); }

/* ===== Footer ===== */
footer { background: #060E1C; padding: 56px 40px 26px; }
.footer-inner { max-width: var(--container); margin: 0 auto; }
.footer-top { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 48px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,0.06); }
.footer-logo { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.footer-logo img { height: 46px; width: 46px; object-fit: cover; border-radius: 8px; }
.footer-logo-text { font-family: var(--font-en); font-weight: 700; color: var(--white); font-size: 18px; letter-spacing: 0.05em; }
.footer-tagline { font-size: 13px; color: rgba(255,255,255,0.34); line-height: 1.85; max-width: 280px; }
.footer-col-title { font-size: 10px; font-weight: 700; letter-spacing: 0.14em; color: rgba(255,255,255,0.32); text-transform: uppercase; margin-bottom: 16px; }
.footer-nav { display: flex; flex-direction: column; gap: 10px; }
.footer-nav a { font-size: 13px; color: rgba(255,255,255,0.52); transition: color 0.2s; }
.footer-nav a:hover { color: var(--cyan); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding-top: 22px; flex-wrap: wrap; gap: 12px; }
.footer-updated { font-size: 12px; color: rgba(255,255,255,0.3); }
.footer-updated time { color: rgba(255,255,255,0.5); font-family: var(--font-en); }
.footer-copy { font-size: 12px; color: rgba(255,255,255,0.2); letter-spacing: 0.04em; }
.footer-links { display: flex; gap: 20px; }
.footer-links a { font-size: 12px; color: rgba(255,255,255,0.28); transition: color 0.2s; }
.footer-links a:hover { color: var(--white); }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .contact-inner { grid-template-columns: 1fr; gap: 40px; }
  .faq-list { grid-template-columns: 1fr; }
  .trust-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  #nav, #nav.scrolled { padding: 14px 18px; }
  .nav-links { display: none; }
  .hamburger { display: flex; }
  section { padding: 60px 18px; }
  .hero { padding: 104px 18px 64px; }
  .toc-inner { padding: 22px 18px; }
  .stats-inner { grid-template-columns: repeat(2,1fr); }
  .stat-item { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.07); }
  .stat-item:nth-child(odd) { border-right: 1px solid rgba(255,255,255,0.07); }
  .stat-item:nth-last-child(-n+2) { border-bottom: none; }
  .form-row { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { justify-content: flex-start; }
  .mobile-cta { display: flex; }
  body { padding-bottom: 68px; }
}
@media (max-width: 360px) {
  .hero h1 { font-size: 25px; }
  .cost-chip { min-width: 100%; }
}