/* ════════════════════════════════════════
   野田ブラシ工業株式会社 共通スタイル
   ════════════════════════════════════════ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', 'Yu Gothic', sans-serif;
  color: #1a1a1a;
  line-height: 1.85;
  background: #fff;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
img { display: block; max-width: 100%; height: auto; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

:root {
  --ink: #111;
  --ink-2: #2a2a2a;
  --muted: #6b6b6b;
  --line: #e5e5e5;
  --bg-soft: #f5f3ee;
  --gold: #b8945a;
  --gold-dark: #8c6e40;
}

.en {
  font-family: 'Cormorant Garamond', serif;
  letter-spacing: 0.08em;
}

.container { max-width: 1180px; margin: 0 auto; padding: 0 32px; }

/* ── HEADER ── */
header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 80px;
}
.brand { display: flex; align-items: center; gap: 14px; }
.brand-mark {
  width: 44px; height: 44px;
  background: var(--ink); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-family: 'Cormorant Garamond', serif;
  font-size: 22px; font-weight: 600;
}
.brand-name { font-size: 15px; font-weight: 700; letter-spacing: 0.05em; }
.brand-en { font-size: 10px; color: var(--muted); letter-spacing: 0.15em; }
.nav-links { display: flex; gap: 36px; list-style: none; }
.nav-links a {
  font-size: 13px; font-weight: 500; letter-spacing: 0.05em;
  position: relative; padding: 8px 0;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: 0; left: 0;
  width: 0; height: 1px; background: var(--gold);
  transition: width 0.3s;
}
.nav-links a:hover::after,
.nav-links a.active::after { width: 100%; }
.nav-links a.active { color: var(--gold-dark); }
.nav-cta {
  padding: 12px 24px;
  background: var(--ink); color: #fff;
  font-size: 12px; letter-spacing: 0.1em; font-weight: 500;
  transition: background 0.2s;
  display: inline-block;
}
.nav-cta:hover { background: var(--gold-dark); }

/* ── HERO (HOME) ── */
.hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center;
  padding-top: 80px; overflow: hidden;
  background:
    linear-gradient(115deg, rgba(0,0,0,0.78) 0%, rgba(0,0,0,0.55) 50%, rgba(0,0,0,0.4) 100%),
    radial-gradient(circle at 70% 30%, #2a3340 0%, #0a0d12 70%);
  color: #fff;
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background-image: repeating-linear-gradient(45deg, transparent 0 60px, rgba(255,255,255,0.02) 60px 61px);
  pointer-events: none;
}
.hero-content {
  position: relative; z-index: 2;
  max-width: 1180px; margin: 0 auto; padding: 0 32px; width: 100%;
}
.hero-tag {
  display: inline-flex; align-items: center; gap: 12px;
  font-size: 12px; letter-spacing: 0.2em;
  color: var(--gold); margin-bottom: 28px; font-weight: 500;
}
.hero-tag::before { content: ''; width: 32px; height: 1px; background: var(--gold); }
.hero h1 {
  font-size: clamp(36px, 6vw, 68px);
  font-weight: 900; line-height: 1.3;
  letter-spacing: 0.02em; margin-bottom: 24px;
}
.hero h1 .accent { color: var(--gold); }
.hero-sub {
  font-size: clamp(15px, 1.4vw, 17px);
  max-width: 560px;
  color: rgba(255,255,255,0.85);
  margin-bottom: 36px; line-height: 2;
}
.hero-en { font-size: 14px; color: rgba(255,255,255,0.5); margin-bottom: 16px; letter-spacing: 0.15em; }
.hero-stats {
  display: flex; gap: 56px; padding-top: 40px;
  border-top: 1px solid rgba(255,255,255,0.15);
  margin-top: 50px;
}
.hero-stat-num {
  font-family: 'Cormorant Garamond', serif;
  font-size: 48px; font-weight: 600;
  color: var(--gold); line-height: 1;
}
.hero-stat-label {
  font-size: 12px; color: rgba(255,255,255,0.7);
  letter-spacing: 0.1em; margin-top: 8px;
}
.scroll-hint {
  position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%);
  font-size: 11px; letter-spacing: 0.3em; color: rgba(255,255,255,0.6);
  writing-mode: vertical-rl;
}
.scroll-hint::after {
  content: ''; display: block; width: 1px; height: 40px;
  background: rgba(255,255,255,0.4); margin: 12px auto 0;
  animation: scrollLine 2s ease-in-out infinite;
}
@keyframes scrollLine {
  0%, 100% { transform: scaleY(0.4); transform-origin: top; }
  50% { transform: scaleY(1); }
}

/* ── HERO (SUB-PAGE) ── */
.subhero {
  position: relative; min-height: 50vh;
  display: flex; align-items: center;
  padding: 140px 0 80px;
  background:
    linear-gradient(115deg, rgba(0,0,0,0.85), rgba(0,0,0,0.6)),
    radial-gradient(circle at 70% 30%, #2a3340 0%, #0a0d12 70%);
  color: #fff;
  overflow: hidden;
}
.subhero::before {
  content: ''; position: absolute; inset: 0;
  background-image: repeating-linear-gradient(45deg, transparent 0 60px, rgba(255,255,255,0.02) 60px 61px);
}
.subhero-content { position: relative; z-index: 2; }
.subhero .label {
  font-family: 'Cormorant Garamond', serif;
  font-size: 13px; letter-spacing: 0.3em;
  color: var(--gold); margin-bottom: 18px;
  display: block;
}
.subhero h1 {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 900; line-height: 1.4;
  letter-spacing: 0.04em;
}
.subhero p {
  font-size: 15px; color: rgba(255,255,255,0.75);
  margin-top: 20px; max-width: 640px; line-height: 2;
}
.breadcrumb {
  font-size: 12px; color: rgba(255,255,255,0.5);
  margin-bottom: 32px; letter-spacing: 0.05em;
}
.breadcrumb a:hover { color: var(--gold); }

/* ── SECTION ── */
.section { padding: 120px 0; }
.section-bg { background: var(--bg-soft); }
.section-dark { background: var(--ink); color: #fff; }

.section-head { text-align: center; margin-bottom: 72px; }
.section-head .label {
  font-family: 'Cormorant Garamond', serif;
  font-size: 12px; color: var(--gold);
  letter-spacing: 0.3em; font-weight: 500;
  margin-bottom: 16px; display: block;
}
.section-head h2 {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  letter-spacing: 0.05em; line-height: 1.4;
  margin-bottom: 20px;
}
.section-head .lead {
  font-size: 15px; color: var(--muted);
  max-width: 640px; margin: 0 auto; line-height: 2;
}
.section-dark .section-head h2 { color: #fff; }
.section-dark .section-head .lead { color: rgba(255,255,255,0.7); }

/* ── ABOUT (HOME) ── */
.about-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 72px; align-items: center; }
.about-img { position: relative; aspect-ratio: 4/5; background: var(--bg-soft); overflow: hidden; }
.about-img img { width: 100%; height: 100%; object-fit: contain; padding: 40px; }
.about-img::before {
  content: ''; position: absolute; bottom: -16px; right: -16px;
  width: 120px; height: 120px;
  border: 2px solid var(--gold); z-index: -1;
}
.about-text h3 { font-size: clamp(24px, 3vw, 32px); font-weight: 700; line-height: 1.6; margin-bottom: 28px; }
.about-text p { color: var(--muted); margin-bottom: 18px; line-height: 2.1; }
.about-en { font-size: 13px; color: var(--gold); letter-spacing: 0.2em; margin-bottom: 12px; }

/* ── SERVICE CARDS ── */
.services { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.service-card {
  background: #fff; border: 1px solid var(--line);
  transition: transform 0.3s, box-shadow 0.3s;
  display: flex; flex-direction: column;
}
.service-card:hover { transform: translateY(-6px); box-shadow: 0 20px 40px rgba(0,0,0,0.08); }
.service-img {
  aspect-ratio: 4/3; background: var(--bg-soft);
  display: flex; align-items: center; justify-content: center;
  padding: 40px; overflow: hidden;
}
.service-img img { max-height: 100%; width: auto; }
.service-body { padding: 32px 28px 36px; flex: 1; display: flex; flex-direction: column; }
.service-num {
  font-family: 'Cormorant Garamond', serif;
  font-size: 13px; color: var(--gold);
  letter-spacing: 0.2em; margin-bottom: 10px;
}
.service-card h3 { font-size: 19px; font-weight: 700; margin-bottom: 14px; letter-spacing: 0.03em; }
.service-card p { font-size: 14px; color: var(--muted); line-height: 1.9; flex: 1; }
.service-link {
  display: inline-flex; align-items: center; gap: 8px;
  margin-top: 20px; padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 12px; letter-spacing: 0.15em; color: var(--ink);
  font-weight: 600;
}
.service-link::after { content: '→'; transition: transform 0.2s; }
.service-link:hover::after { transform: translateX(4px); }

/* ── FEATURES ── */
.features {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 0;
  border-top: 1px solid rgba(255,255,255,0.1);
  border-left: 1px solid rgba(255,255,255,0.1);
}
.feature {
  padding: 48px 32px;
  border-right: 1px solid rgba(255,255,255,0.1);
  border-bottom: 1px solid rgba(255,255,255,0.1);
  transition: background 0.3s;
}
.feature:hover { background: rgba(184,148,90,0.08); }
.feature-num {
  font-family: 'Cormorant Garamond', serif;
  font-size: 14px; color: var(--gold);
  letter-spacing: 0.2em; margin-bottom: 24px;
}
.feature h3 { font-size: 18px; font-weight: 700; margin-bottom: 16px; line-height: 1.6; }
.feature p { font-size: 13px; color: rgba(255,255,255,0.6); line-height: 1.95; }

/* ── COMPANY TABLE ── */
.company-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; }
.company-table { width: 100%; border-collapse: collapse; }
.company-table tr { border-bottom: 1px solid var(--line); }
.company-table th {
  padding: 18px 0; text-align: left;
  font-size: 13px; font-weight: 700;
  letter-spacing: 0.1em; color: var(--ink);
  width: 130px; vertical-align: top;
}
.company-table td { padding: 18px 0; font-size: 14px; color: var(--muted); line-height: 1.9; }
.map-area {
  background: var(--bg-soft);
  aspect-ratio: 1/1;
  display: flex; align-items: center; justify-content: center;
  padding: 40px; text-align: center;
  position: relative; overflow: hidden;
}
.map-area iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

/* ── INFORMATION LIST ── */
.info-list { max-width: 880px; margin: 0 auto; }
.info-item {
  display: grid; grid-template-columns: 120px 100px 1fr;
  gap: 24px; align-items: center;
  padding: 24px 0; border-bottom: 1px solid var(--line);
  transition: padding 0.3s;
}
.info-item:hover { padding-left: 12px; }
.info-date {
  font-family: 'Cormorant Garamond', serif;
  font-size: 14px; color: var(--muted); letter-spacing: 0.1em;
}
.info-cat {
  font-size: 11px; letter-spacing: 0.15em;
  text-align: center; padding: 6px 0;
  border: 1px solid var(--ink); color: var(--ink);
}
.info-title { font-size: 14px; font-weight: 500; }

/* ── CONTACT (mailto) ── */
.contact-section {
  background: var(--ink); color: #fff;
  padding: 120px 0;
  position: relative; overflow: hidden;
}
.contact-section::before {
  content: 'CONTACT';
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(120px, 18vw, 240px);
  color: rgba(255,255,255,0.03);
  font-weight: 600;
  pointer-events: none; white-space: nowrap;
}
.contact-inner { position: relative; text-align: center; }
.contact-inner .label {
  color: var(--gold);
  font-size: 12px; letter-spacing: 0.3em;
  margin-bottom: 16px; display: block;
  font-family: 'Cormorant Garamond', serif;
}
.contact-inner h2 { font-size: clamp(28px, 4vw, 38px); font-weight: 700; margin-bottom: 28px; }
.contact-inner p {
  color: rgba(255,255,255,0.7);
  margin-bottom: 48px; line-height: 2;
}
.contact-cta {
  display: inline-flex; align-items: center; gap: 16px;
  padding: 22px 48px;
  background: var(--gold); color: #fff;
  font-size: 14px; font-weight: 700;
  letter-spacing: 0.15em;
  transition: transform 0.2s, background 0.2s, box-shadow 0.2s;
  box-shadow: 0 10px 30px rgba(184,148,90,0.3);
}
.contact-cta:hover {
  background: var(--gold-dark); transform: translateY(-3px);
  box-shadow: 0 16px 40px rgba(184,148,90,0.45);
}
.contact-cta-en {
  display: block;
  font-family: 'Cormorant Garamond', serif;
  font-size: 11px; letter-spacing: 0.3em;
  color: rgba(255,255,255,0.7); margin-top: 8px;
  font-weight: 500;
}
.contact-arrow {
  display: inline-block;
  width: 28px; height: 28px;
  border: 1px solid rgba(255,255,255,0.5);
  border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 12px;
}
.contact-tel {
  margin-top: 32px; color: rgba(255,255,255,0.7); font-size: 14px;
}
.contact-tel strong {
  font-family: 'Cormorant Garamond', serif;
  font-size: 22px; color: #fff;
  margin: 0 8px;
}

/* ── TIMELINE (about) ── */
.timeline { position: relative; max-width: 800px; margin: 0 auto; }
.timeline::before {
  content: ''; position: absolute; left: 110px; top: 8px; bottom: 8px;
  width: 1px; background: var(--line);
}
.timeline-item {
  display: grid; grid-template-columns: 110px 1fr;
  gap: 40px; padding: 24px 0;
  position: relative;
}
.timeline-item::before {
  content: ''; position: absolute;
  left: 105px; top: 32px;
  width: 11px; height: 11px;
  background: var(--gold); border-radius: 50%;
  border: 3px solid #fff; z-index: 1;
}
.timeline-year {
  font-family: 'Cormorant Garamond', serif;
  font-size: 22px; color: var(--ink); font-weight: 600;
}
.timeline-content h4 { font-size: 16px; font-weight: 700; margin-bottom: 6px; }
.timeline-content p { font-size: 14px; color: var(--muted); line-height: 1.9; }

/* ── MESSAGE / QUOTE (about) ── */
.message-box {
  background: var(--bg-soft);
  padding: 64px 56px;
  position: relative;
  max-width: 920px; margin: 0 auto;
}
.message-box::before {
  content: '"';
  position: absolute; top: 12px; left: 32px;
  font-family: 'Cormorant Garamond', serif;
  font-size: 120px; color: var(--gold);
  line-height: 1;
}
.message-box p {
  font-size: 16px; color: var(--ink-2); line-height: 2.2;
  margin-bottom: 24px;
}
.message-author {
  display: flex; align-items: center; gap: 16px;
  margin-top: 32px; padding-top: 32px;
  border-top: 1px solid var(--line);
}
.message-author-name { font-weight: 700; font-size: 15px; }
.message-author-title { font-size: 12px; color: var(--muted); }

/* ── PRODUCT DETAIL CARDS (products) ── */
.product-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.product-detail {
  background: #fff; border: 1px solid var(--line);
  display: grid; grid-template-columns: 1fr 1fr;
  overflow: hidden;
}
.product-detail-img {
  background: var(--bg-soft);
  display: flex; align-items: center; justify-content: center;
  padding: 32px; aspect-ratio: 1/1;
}
.product-detail-img img { max-height: 100%; width: auto; }
.product-detail-body { padding: 36px 32px; }
.product-detail-tag {
  display: inline-block;
  font-size: 11px; letter-spacing: 0.15em;
  padding: 4px 12px;
  background: var(--ink); color: #fff;
  margin-bottom: 16px;
}
.product-detail-body h3 { font-size: 22px; font-weight: 700; margin-bottom: 16px; }
.product-detail-body ul { list-style: none; }
.product-detail-body li {
  font-size: 13px; color: var(--muted);
  padding: 6px 0 6px 18px; position: relative;
}
.product-detail-body li::before {
  content: ''; position: absolute; left: 0; top: 14px;
  width: 8px; height: 1px; background: var(--gold);
}

/* ── STEPS (oem) ── */
.steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; position: relative; }
.step {
  text-align: center; padding: 32px 16px 28px;
  background: #fff; border: 1px solid var(--line);
  position: relative;
}
.step-num {
  font-family: 'Cormorant Garamond', serif;
  font-size: 36px; color: var(--gold);
  font-weight: 600; line-height: 1;
  margin-bottom: 14px;
}
.step h4 { font-size: 15px; font-weight: 700; margin-bottom: 10px; line-height: 1.5; }
.step p { font-size: 12px; color: var(--muted); line-height: 1.8; }
.step:not(:last-child)::after {
  content: '→'; position: absolute;
  right: -14px; top: 50%; transform: translateY(-50%);
  color: var(--gold); font-size: 18px; z-index: 1;
}

/* ── FAQ ── */
.faq-list { max-width: 880px; margin: 0 auto; }
.faq-item {
  border-bottom: 1px solid var(--line);
  padding: 24px 0;
}
.faq-q {
  display: grid; grid-template-columns: 32px 1fr 24px;
  gap: 16px; align-items: start;
  font-weight: 700; cursor: pointer;
  font-size: 15px;
  list-style: none;
}
.faq-q::-webkit-details-marker { display: none; }
.faq-q-mark {
  font-family: 'Cormorant Garamond', serif;
  color: var(--gold); font-size: 22px;
  font-weight: 600; line-height: 1.2;
}
.faq-toggle { color: var(--muted); transition: transform 0.2s; font-size: 18px; line-height: 1.2; }
.faq-item[open] .faq-toggle { transform: rotate(45deg); color: var(--gold); }
.faq-a {
  display: grid; grid-template-columns: 32px 1fr;
  gap: 16px; padding-top: 16px;
  font-size: 14px; color: var(--muted); line-height: 2;
}
.faq-a-mark {
  font-family: 'Cormorant Garamond', serif;
  color: var(--ink); font-size: 22px;
  font-weight: 500; line-height: 1.2;
}

/* ── NEWS LIST FILTER ── */
.news-filters {
  display: flex; gap: 8px; flex-wrap: wrap;
  justify-content: center; margin-bottom: 56px;
}
.news-filter {
  padding: 10px 20px;
  border: 1px solid var(--line);
  font-size: 12px; letter-spacing: 0.15em;
  color: var(--muted); background: #fff;
  transition: all 0.2s;
}
.news-filter.active,
.news-filter:hover {
  background: var(--ink); color: #fff; border-color: var(--ink);
}

.pagination {
  display: flex; gap: 8px; justify-content: center;
  margin-top: 64px;
}
.pagination a {
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--line);
  font-family: 'Cormorant Garamond', serif;
  font-size: 14px;
  transition: all 0.2s;
}
.pagination a.active,
.pagination a:hover { background: var(--ink); color: #fff; border-color: var(--ink); }

/* ── BADGES (about) ── */
.badges { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.badge {
  text-align: center; padding: 40px 24px;
  border: 1px solid var(--line); background: #fff;
}
.badge-icon {
  font-family: 'Cormorant Garamond', serif;
  font-size: 32px; color: var(--gold);
  font-weight: 600; margin-bottom: 12px;
}
.badge h4 { font-size: 15px; font-weight: 700; margin-bottom: 8px; }
.badge p { font-size: 13px; color: var(--muted); }

/* ── CLIENTS ── */
.clients-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 1px; background: var(--line);
  border: 1px solid var(--line);
}
.client {
  background: #fff; padding: 36px 16px;
  text-align: center;
  font-size: 13px; color: var(--ink-2);
  font-weight: 500;
  display: flex; align-items: center; justify-content: center;
  min-height: 90px;
}

/* ── FOOTER ── */
footer { background: #0a0a0a; color: rgba(255,255,255,0.6); padding: 64px 0 28px; }
.footer-grid {
  display: grid; grid-template-columns: 1.3fr 1fr 1fr;
  gap: 56px; margin-bottom: 48px;
}
.footer-brand .brand-name { color: #fff; font-size: 17px; }
.footer-brand .brand-en { color: var(--gold); margin-top: 4px; }
.footer-brand p {
  font-size: 13px; line-height: 1.95;
  margin-top: 20px; color: rgba(255,255,255,0.5);
}
.footer-col h4 {
  font-size: 12px; letter-spacing: 0.2em;
  color: var(--gold); margin-bottom: 20px;
  font-weight: 500;
  font-family: 'Cormorant Garamond', serif;
}
.footer-col ul { list-style: none; }
.footer-col li { font-size: 13px; padding: 6px 0; color: rgba(255,255,255,0.6); }
.footer-col a:hover { color: var(--gold); }
.copyright {
  border-top: 1px solid rgba(255,255,255,0.1); padding-top: 28px;
  display: flex; justify-content: space-between;
  flex-wrap: wrap; gap: 12px;
  font-size: 11px; color: rgba(255,255,255,0.4);
  letter-spacing: 0.1em;
  font-family: 'Cormorant Garamond', serif;
}

/* ── ANIMATIONS ── */
.fade-up {
  opacity: 0; transform: translateY(30px);
  transition: opacity 0.9s ease, transform 0.9s ease;
}
.fade-up.is-visible { opacity: 1; transform: translateY(0); }
.fade-up.delay-1 { transition-delay: 0.12s; }
.fade-up.delay-2 { transition-delay: 0.24s; }
.fade-up.delay-3 { transition-delay: 0.36s; }
.fade-up.delay-4 { transition-delay: 0.48s; }

/* ── RESPONSIVE ── */
@media (max-width: 960px) {
  .container { padding: 0 24px; }
  .nav-links, .nav-cta { display: none; }
  .nav-inner { height: 68px; }
  .section { padding: 80px 0; }
  .hero { min-height: 88vh; padding-top: 68px; }
  .subhero { padding: 110px 0 60px; min-height: auto; }
  .hero-stats { gap: 32px; flex-wrap: wrap; padding-top: 28px; margin-top: 36px; }
  .hero-stat-num { font-size: 36px; }
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .about-img { max-width: 380px; margin: 0 auto; }
  .services { grid-template-columns: 1fr; }
  .features { grid-template-columns: 1fr 1fr; }
  .company-grid { grid-template-columns: 1fr; gap: 40px; }
  .info-item { grid-template-columns: 1fr; gap: 6px; padding: 18px 0; }
  .info-cat { justify-self: start; padding: 4px 14px; }
  .product-grid { grid-template-columns: 1fr; }
  .product-detail { grid-template-columns: 1fr; }
  .product-detail-img { aspect-ratio: 4/3; }
  .steps { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .step:not(:last-child)::after { display: none; }
  .footer-grid { grid-template-columns: 1fr; gap: 40px; }
  .clients-grid { grid-template-columns: repeat(2, 1fr); }
  .badges { grid-template-columns: 1fr; }
  .timeline::before { left: 60px; }
  .timeline-item { grid-template-columns: 80px 1fr; gap: 24px; }
  .timeline-item::before { left: 55px; }
  .scroll-hint { display: none; }
  .message-box { padding: 48px 28px 40px; }
  .message-box::before { font-size: 80px; left: 16px; top: 0; }
}
@media (max-width: 480px) {
  .features { grid-template-columns: 1fr; }
  .section-head { margin-bottom: 48px; }
  .hero h1 { font-size: 32px; }
  .steps { grid-template-columns: 1fr; }
}

/* ── PRODUCTS SPEC ── */
.spec-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px; max-width: 1100px; margin: 0 auto;
}
.spec-item {
  background: #fff;
  border: 1px solid var(--line);
  padding: 32px 28px; border-radius: 4px;
}
.spec-label {
  font-size: 12px; letter-spacing: 0.25em;
  color: var(--gold); margin-bottom: 14px;
  display: inline-block;
}
.spec-item h4 {
  font-size: 16px; font-weight: 700;
  margin-bottom: 16px; line-height: 1.5;
  padding-bottom: 14px; border-bottom: 1px solid var(--line);
}
.spec-item ul { list-style: none; padding: 0; }
.spec-item li {
  font-size: 14px; line-height: 1.9;
  color: var(--ink-2); padding: 4px 0 4px 18px;
  position: relative;
}
.spec-item li::before {
  content: '—'; position: absolute; left: 0;
  color: var(--gold);
}

/* ── PRODUCTS NOTE ── */
.note-box {
  max-width: 760px; margin: 0 auto;
  background: var(--bg-soft);
  border-left: 3px solid var(--gold);
  padding: 28px 32px; border-radius: 2px;
}
.note-box p {
  font-size: 14px; color: var(--ink-2); line-height: 2;
}

/* ── ABOUT HISTORY ── */
.history-list {
  max-width: 880px; margin: 0 auto;
  position: relative;
}
.history-list::before {
  content: ''; position: absolute;
  left: 110px; top: 8px; bottom: 8px;
  width: 1px; background: var(--line);
}
.history-item {
  display: grid; grid-template-columns: 110px 1fr;
  gap: 40px; padding: 28px 0; align-items: start;
  position: relative;
}
.history-item::before {
  content: ''; position: absolute;
  left: 105px; top: 36px;
  width: 11px; height: 11px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 4px var(--bg-soft);
}
.history-year {
  font-size: 22px; font-weight: 500;
  color: var(--ink); line-height: 1.4;
}
.history-body h4 {
  font-size: 17px; font-weight: 700;
  margin-bottom: 8px; letter-spacing: 0.04em;
}
.history-body p {
  font-size: 14px; color: var(--muted); line-height: 2;
}

/* ── OEM FLOW ── */
.flow-list {
  display: grid; gap: 24px;
  max-width: 920px; margin: 0 auto;
}
.flow-item {
  display: grid; grid-template-columns: 80px 1fr;
  gap: 32px; align-items: start;
  background: #fff; padding: 36px 40px;
  border: 1px solid var(--line);
  border-radius: 4px;
}
.flow-num {
  font-size: 36px; font-weight: 500;
  color: var(--gold); line-height: 1;
}
.flow-body h3 {
  font-size: 18px; font-weight: 700;
  margin-bottom: 10px; letter-spacing: 0.04em;
}
.flow-body p {
  font-size: 14px; color: var(--muted); line-height: 2;
}

/* ── OEM CASE ── */
.case-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 28px; max-width: 1100px; margin: 0 auto;
}
.case-item {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  padding: 32px 28px; border-radius: 4px;
}
.case-cat {
  font-size: 12px; letter-spacing: 0.25em;
  color: var(--gold); margin-bottom: 14px;
  display: inline-block;
}
.case-item h4 {
  font-size: 16px; font-weight: 700;
  margin-bottom: 12px; line-height: 1.6;
  color: #fff;
}
.case-item p {
  font-size: 13px; line-height: 1.9;
  color: rgba(255,255,255,0.65);
}

/* ── OEM FAQ (simple) ── */
.faq-item h4 {
  font-size: 16px; font-weight: 700;
  margin-bottom: 10px; padding-left: 28px;
  position: relative;
}
.faq-item h4::before {
  content: 'Q.'; position: absolute; left: 0;
  font-family: 'Cormorant Garamond', serif;
  color: var(--gold); font-size: 20px;
}
.faq-item p {
  font-size: 14px; color: var(--muted);
  line-height: 2; padding-left: 28px;
}

/* ── TEL LINK ── */
.tel-link {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px dotted currentColor;
  transition: color .2s ease, border-color .2s ease;
}
.tel-link:hover { color: var(--gold-dark); border-bottom-color: var(--gold-dark); }
@media (hover: none) {
  .tel-link { border-bottom-color: var(--gold); }
}

/* ── PRINT (PDF) ── */
@media print {
  header, .scroll-hint, .nav-cta { display: none !important; }
  .hero, .subhero { min-height: auto !important; padding: 60px 0 !important; }
  .section, .contact-section { padding: 60px 0 !important; page-break-inside: avoid; }
  body { background: #fff; }
}