/* ============================================
   株式会社日東精密 — ATTACK ZERO 骨格
   スチール × 銅ブロンズ × クリアブルー × アイボリー
   DM Sans + Zen Kaku Gothic New
   ミクロン精度 + 3 拠点ネットワーク
   ============================================ */

:root {
  --steel: #1c2933;          /* ディープスチール */
  --steel-deep: #0f1820;
  --steel-soft: #2b3a47;
  --steel-line: #3b4a57;
  --copper: #b87a40;         /* 銅ブロンズ（切削チップ） */
  --copper-bright: #d99858;
  --copper-deep: #8d5a26;
  --azure: #4a90d9;          /* クリアブルー（測定） */
  --azure-deep: #2b6cad;
  --ivory: #f5f1ea;          /* アイボリー */
  --ivory-deep: #e8e0d0;
  --ivory-soft: #fbf8f2;
  --paper: #ffffff;
  --line: #d8d1bf;
  --line-soft: #ebe5d5;
  --text: #1c2933;
  --text-muted: #5e6770;
  --text-light: #c4cbd2;
  --attack: #c63b3b;         /* ATTACK ZERO の赤 */
  --zero: #2ecc71;           /* ZERO の緑 */
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: "Zen Kaku Gothic New", "Hiragino Sans", sans-serif;
  color: var(--text);
  background: var(--ivory);
  line-height: 1.9;
  font-size: 15px;
  letter-spacing: 0.04em;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.sans { font-family: "DM Sans", "Zen Kaku Gothic New", sans-serif; }

/* ============================================
   切削チップ・μ メッシュ装飾
   ============================================ */

.micron-mesh {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(184, 122, 64, 0.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(184, 122, 64, 0.06) 1px, transparent 1px);
  background-size: 30px 30px;
  pointer-events: none;
}

.chip-mark {
  display: inline-block;
  width: 10px; height: 10px;
  transform: rotate(45deg);
  background: var(--copper);
  vertical-align: middle;
}

/* ============================================
   Topbar
   ============================================ */

.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.topbar-inner {
  max-width: 1320px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  height: 72px;
  padding: 0 32px;
  gap: 32px;
}

.topbar-logo {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}

.topbar-logo .mark {
  position: relative;
  width: 42px; height: 42px;
  background: var(--steel);
  display: flex;
  align-items: center;
  justify-content: center;
}

.topbar-logo .mark::before, .topbar-logo .mark::after {
  content: "";
  position: absolute;
  background: var(--copper);
}

.topbar-logo .mark::before {
  width: 24px; height: 24px;
  transform: rotate(45deg);
  border: 1.5px solid var(--copper);
  background: transparent;
}

.topbar-logo .mark::after {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--azure);
  z-index: 2;
}

.topbar-logo .ja {
  font-family: "Zen Kaku Gothic New", sans-serif;
  font-size: 16px;
  font-weight: 700;
  color: var(--steel);
  letter-spacing: 0.1em;
  line-height: 1.2;
}

.topbar-logo .en {
  display: block;
  font-family: "DM Sans", sans-serif;
  font-size: 10px;
  font-weight: 500;
  color: var(--copper);
  letter-spacing: 0.2em;
  margin-top: 2px;
}

.topbar-nav {
  display: flex;
  gap: 2px;
  justify-content: center;
  font-family: "Zen Kaku Gothic New", sans-serif;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.1em;
}

.topbar-nav a {
  padding: 8px 13px;
  color: var(--steel);
  border-radius: 2px;
  transition: all 0.2s;
  white-space: nowrap;
  position: relative;
}

.topbar-nav a::after {
  content: "";
  position: absolute;
  left: 50%; bottom: 0;
  width: 0; height: 2px;
  background: var(--copper);
  transition: all 0.25s;
  transform: translateX(-50%);
}

.topbar-nav a:hover { color: var(--copper-deep); }
.topbar-nav a:hover::after { width: 70%; }

.topbar-nav a.active {
  color: var(--copper-deep);
  font-weight: 700;
}

.topbar-nav a.active::after { width: 70%; }

.topbar-cta {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}

.topbar-tel {
  font-family: "DM Sans", monospace;
  font-size: 16px;
  font-weight: 700;
  color: var(--steel);
  letter-spacing: 0.04em;
  line-height: 1.2;
}

.topbar-tel .lbl {
  display: block;
  font-family: "DM Sans", sans-serif;
  font-size: 9px;
  font-weight: 600;
  color: var(--copper);
  letter-spacing: 0.25em;
  margin-bottom: 2px;
}

.topbar-btn {
  background: var(--steel);
  color: var(--paper);
  padding: 11px 22px;
  font-family: "Zen Kaku Gothic New", sans-serif;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.1em;
  transition: all 0.25s;
  border: 1.5px solid var(--steel);
}

.topbar-btn:hover {
  background: var(--copper);
  border-color: var(--copper);
}

/* ============================================
   HERO
   ============================================ */

.hero {
  position: relative;
  background: var(--steel);
  color: var(--ivory);
  padding: 100px 32px 90px;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(184, 122, 64, 0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(74, 144, 217, 0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  top: 20%; right: -10%;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(184, 122, 64, 0.15) 0%, transparent 60%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-inner {
  max-width: 1320px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: "DM Sans", monospace;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.35em;
  color: var(--copper-bright);
  margin-bottom: 30px;
}

.hero-tag::before {
  content: "";
  width: 36px; height: 1.5px;
  background: var(--copper);
}

.hero-tag .since {
  background: var(--copper);
  color: var(--steel-deep);
  padding: 3px 10px;
  font-weight: 700;
  letter-spacing: 0.15em;
}

.hero h1 {
  font-family: "Zen Kaku Gothic New", sans-serif;
  font-weight: 700;
  font-size: clamp(36px, 5.2vw, 68px);
  line-height: 1.25;
  letter-spacing: 0.04em;
  color: var(--paper);
  margin-bottom: 32px;
  max-width: 980px;
}

.hero h1 em {
  font-style: normal;
  color: var(--copper-bright);
  position: relative;
  display: inline-block;
}

.hero h1 em::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 4px;
  background: var(--copper);
}

.hero-sub {
  font-size: 16px;
  line-height: 2.05;
  color: var(--text-light);
  max-width: 720px;
  margin-bottom: 50px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 24px;
  margin-bottom: 50px;
}

.hero-pillar {
  background: rgba(184, 122, 64, 0.05);
  border: 1px solid rgba(184, 122, 64, 0.18);
  padding: 24px 22px 22px;
  border-radius: 4px;
  position: relative;
  transition: all 0.3s;
}

.hero-pillar:hover {
  border-color: var(--copper);
  background: rgba(184, 122, 64, 0.10);
  transform: translateY(-3px);
}

.hero-pillar .n {
  font-family: "DM Sans", monospace;
  font-size: 11px;
  font-weight: 700;
  color: var(--copper);
  letter-spacing: 0.25em;
  margin-bottom: 14px;
}

.hero-pillar h3 {
  font-family: "Zen Kaku Gothic New", sans-serif;
  font-size: 17px;
  font-weight: 700;
  color: var(--paper);
  letter-spacing: 0.06em;
  margin-bottom: 12px;
  line-height: 1.5;
}

.hero-pillar p {
  font-size: 12.5px;
  line-height: 1.85;
  color: var(--text-light);
}

.hero-cta {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--copper);
  color: var(--steel-deep);
  padding: 16px 32px;
  font-family: "Zen Kaku Gothic New", sans-serif;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.1em;
  border: 2px solid var(--copper);
  transition: all 0.3s;
}

.btn-primary::after { content: "→"; }

.btn-primary:hover {
  background: var(--copper-bright);
  border-color: var(--copper-bright);
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(184, 122, 64, 0.35);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: transparent;
  color: var(--paper);
  padding: 16px 32px;
  font-family: "Zen Kaku Gothic New", sans-serif;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.1em;
  border: 2px solid var(--paper);
  transition: all 0.3s;
}

.btn-outline:hover {
  background: var(--paper);
  color: var(--steel);
}

/* ============================================
   SECTION
   ============================================ */

.section {
  padding: 100px 32px;
  position: relative;
}

.section-inner {
  max-width: 1320px;
  margin: 0 auto;
}

.section-paper { background: var(--paper); }
.section-ivory { background: var(--ivory); }
.section-deep  { background: var(--steel); color: var(--paper); }

/* Section Header */
.sec-head {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 40px;
  align-items: end;
  margin-bottom: 60px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line);
  position: relative;
}

.section-deep .sec-head { border-bottom-color: var(--steel-line); }

.sec-head::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 60px; height: 3px;
  background: var(--copper);
}

.sec-en {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: "DM Sans", monospace;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.3em;
  color: var(--copper-deep);
  margin-bottom: 14px;
}

.sec-en::before {
  content: "◆";
  color: var(--copper);
  font-size: 9px;
}

.section-deep .sec-en { color: var(--copper-bright); }

.sec-title {
  font-family: "Zen Kaku Gothic New", sans-serif;
  font-weight: 700;
  font-size: clamp(28px, 3.6vw, 44px);
  line-height: 1.4;
  letter-spacing: 0.06em;
  color: var(--steel);
}

.section-deep .sec-title { color: var(--paper); }

.sec-title em {
  font-style: normal;
  color: var(--copper);
}

.sec-link {
  font-family: "Zen Kaku Gothic New", sans-serif;
  font-size: 13px;
  font-weight: 600;
  color: var(--copper-deep);
  letter-spacing: 0.1em;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding-bottom: 2px;
  border-bottom: 1.5px solid var(--copper);
}

.sec-link::after { content: "→"; transition: transform 0.25s; }
.sec-link:hover::after { transform: translateX(4px); }

/* ============================================
   PAGE HEAD
   ============================================ */

.page-head {
  padding: 80px 32px;
  background: var(--steel);
  color: var(--paper);
  position: relative;
  overflow: hidden;
}

.page-head::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(184, 122, 64, 0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(74, 144, 217, 0.04) 1px, transparent 1px);
  background-size: 36px 36px;
  pointer-events: none;
}

.page-head::after {
  content: "";
  position: absolute;
  top: -20%; right: -10%;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(184, 122, 64, 0.18), transparent 60%);
  pointer-events: none;
}

.page-head-inner {
  max-width: 1320px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.page-head-mark {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: "DM Sans", monospace;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.35em;
  color: var(--copper-bright);
  margin-bottom: 18px;
}

.page-head-mark::before {
  content: "";
  width: 30px; height: 1.5px;
  background: var(--copper);
}

.page-head-title {
  font-family: "Zen Kaku Gothic New", sans-serif;
  font-weight: 700;
  font-size: clamp(34px, 4.8vw, 58px);
  line-height: 1.3;
  letter-spacing: 0.05em;
  color: var(--paper);
  margin-bottom: 18px;
}

.page-head-title em {
  font-style: normal;
  color: var(--copper-bright);
}

.page-head-desc {
  font-size: 15px;
  line-height: 1.95;
  color: var(--text-light);
  max-width: 760px;
}

/* ============================================
   3 PILLARS（トップ用 3 カード）
   ============================================ */

.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.pillar {
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 38px 32px 36px;
  position: relative;
  transition: all 0.3s;
}

.pillar:hover {
  border-color: var(--copper);
  transform: translateY(-5px);
  box-shadow: 0 16px 32px rgba(28, 41, 51, 0.10);
}

.pillar::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 60px; height: 4px;
  background: var(--copper);
}

.pillar .n {
  font-family: "DM Sans", monospace;
  font-size: 13px;
  font-weight: 700;
  color: var(--copper);
  letter-spacing: 0.2em;
  margin-bottom: 16px;
}

.pillar h3 {
  font-family: "Zen Kaku Gothic New", sans-serif;
  font-weight: 700;
  font-size: 21px;
  color: var(--steel);
  letter-spacing: 0.05em;
  line-height: 1.5;
  margin-bottom: 18px;
}

.pillar p {
  font-size: 14px;
  line-height: 2;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.pillar .more {
  font-family: "DM Sans", sans-serif;
  font-size: 12px;
  font-weight: 600;
  color: var(--copper-deep);
  letter-spacing: 0.18em;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
}

.pillar .more::after { content: "→"; }

/* ============================================
   FACTORY GRID — 3 拠点
   ============================================ */

.factory-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.factory-card {
  background: var(--paper);
  border: 1px solid var(--line);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.factory-card .map {
  aspect-ratio: 16 / 10;
  background: var(--ivory-deep);
  position: relative;
}

.factory-card .map iframe {
  width: 100%; height: 100%;
  border: 0; display: block;
}

.factory-card .body {
  padding: 26px 26px 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.factory-card .label {
  font-family: "DM Sans", monospace;
  font-size: 11px;
  font-weight: 700;
  color: var(--copper);
  letter-spacing: 0.25em;
  margin-bottom: 10px;
}

.factory-card h3 {
  font-family: "Zen Kaku Gothic New", sans-serif;
  font-weight: 700;
  font-size: 22px;
  color: var(--steel);
  letter-spacing: 0.08em;
  margin-bottom: 16px;
  line-height: 1.4;
}

.factory-card h3 .role {
  display: inline-block;
  font-size: 11px;
  background: var(--steel);
  color: var(--paper);
  padding: 3px 9px;
  letter-spacing: 0.2em;
  vertical-align: middle;
  margin-left: 8px;
  font-weight: 600;
}

.factory-card h3 .role.head { background: var(--copper); }

.factory-card .addr {
  font-family: "Zen Kaku Gothic New", sans-serif;
  font-size: 13px;
  line-height: 1.85;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.factory-card .access {
  font-family: "Zen Kaku Gothic New", sans-serif;
  font-size: 12px;
  line-height: 1.85;
  color: var(--text-muted);
  background: var(--ivory-soft);
  border-left: 3px solid var(--copper);
  padding: 12px 16px;
  margin-bottom: 16px;
}

.factory-card .machines {
  padding-top: 16px;
  border-top: 1px dashed var(--line);
}

.factory-card .machines .lbl {
  font-family: "DM Sans", monospace;
  font-size: 10.5px;
  font-weight: 700;
  color: var(--copper);
  letter-spacing: 0.2em;
  margin-bottom: 10px;
}

.factory-card .machines ul {
  list-style: none;
  display: grid;
  gap: 6px;
}

.factory-card .machines li {
  display: grid;
  grid-template-columns: 1fr auto;
  font-family: "Zen Kaku Gothic New", sans-serif;
  font-size: 12.5px;
  color: var(--steel);
  align-items: baseline;
}

.factory-card .machines li .qty {
  font-family: "DM Sans", monospace;
  font-weight: 700;
  color: var(--copper-deep);
}

/* ============================================
   PRODUCT GRID — 製品紹介 14 カテゴリ
   ============================================ */

.prod-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.prod-cat {
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 24px 22px;
  text-align: center;
  transition: all 0.25s;
  position: relative;
}

.prod-cat:hover {
  border-color: var(--copper);
  background: var(--ivory-soft);
  transform: translateY(-3px);
}

.prod-cat .icon {
  width: 48px; height: 48px;
  margin: 0 auto 14px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--steel);
  color: var(--copper);
  font-family: "DM Sans", monospace;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.prod-cat .icon::after {
  content: "";
  position: absolute;
  width: 8px; height: 8px;
  bottom: -3px; right: -3px;
  background: var(--copper);
  transform: rotate(45deg);
}

.prod-cat h4 {
  font-family: "Zen Kaku Gothic New", sans-serif;
  font-weight: 700;
  font-size: 14.5px;
  color: var(--steel);
  letter-spacing: 0.06em;
  line-height: 1.4;
}

.prod-cat .desc {
  margin-top: 8px;
  font-size: 11.5px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* MATERIALS */
.materials {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.material {
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 26px 22px;
  text-align: center;
}

.material .icon {
  font-family: "DM Sans", monospace;
  font-size: 24px;
  font-weight: 700;
  color: var(--copper);
  margin-bottom: 10px;
  letter-spacing: 0.04em;
}

.material h4 {
  font-family: "Zen Kaku Gothic New", sans-serif;
  font-weight: 700;
  font-size: 15px;
  color: var(--steel);
  margin-bottom: 8px;
}

.material .spec {
  font-family: "DM Sans", monospace;
  font-size: 11.5px;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  line-height: 1.6;
}

/* ============================================
   QUALITY — ATTACK ZERO
   ============================================ */

.attack-zero {
  background: var(--steel);
  color: var(--paper);
  padding: 60px 50px;
  text-align: center;
  position: relative;
  overflow: hidden;
  margin-bottom: 50px;
}

.attack-zero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(198, 59, 59, 0.04) 1px, transparent 1px);
  background-size: 40px 100%;
}

.attack-zero .label {
  font-family: "DM Sans", monospace;
  font-size: 13px;
  font-weight: 700;
  color: var(--copper-bright);
  letter-spacing: 0.4em;
  margin-bottom: 20px;
  position: relative;
}

.attack-zero h2 {
  font-family: "DM Sans", "Zen Kaku Gothic New", sans-serif;
  font-weight: 700;
  font-size: clamp(40px, 6vw, 80px);
  letter-spacing: 0.1em;
  color: var(--paper);
  margin-bottom: 18px;
  line-height: 1.1;
  position: relative;
}

.attack-zero h2 .attack { color: var(--attack); }
.attack-zero h2 .zero {
  color: var(--zero);
  position: relative;
  display: inline-block;
}

.attack-zero .sub {
  font-family: "Zen Kaku Gothic New", sans-serif;
  font-size: 15px;
  color: var(--copper-bright);
  letter-spacing: 0.18em;
  margin-bottom: 28px;
  position: relative;
}

.attack-zero p {
  font-size: 14.5px;
  line-height: 2;
  color: var(--text-light);
  max-width: 720px;
  margin: 0 auto;
  position: relative;
}

.quality-pts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 30px;
}

.quality-pt {
  background: var(--paper);
  border-left: 4px solid var(--copper);
  padding: 24px 28px;
  display: grid;
  grid-template-columns: 50px 1fr;
  gap: 18px;
  align-items: start;
}

.quality-pt .num {
  font-family: "DM Sans", monospace;
  font-size: 28px;
  font-weight: 700;
  color: var(--copper);
  letter-spacing: 0.02em;
  line-height: 1;
}

.quality-pt h4 {
  font-family: "Zen Kaku Gothic New", sans-serif;
  font-weight: 700;
  font-size: 16px;
  color: var(--steel);
  letter-spacing: 0.06em;
  margin-bottom: 8px;
}

.quality-pt p {
  font-size: 13px;
  line-height: 1.8;
  color: var(--text-muted);
}

/* ============================================
   POLICY — 会社方針 4 点
   ============================================ */

.policy-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.policy {
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 28px 20px;
  text-align: center;
  position: relative;
  border-top: 4px solid var(--copper);
}

.policy .n {
  font-family: "DM Sans", monospace;
  font-size: 11px;
  font-weight: 700;
  color: var(--copper);
  letter-spacing: 0.25em;
  margin-bottom: 10px;
}

.policy h4 {
  font-family: "Zen Kaku Gothic New", sans-serif;
  font-weight: 700;
  font-size: 15.5px;
  color: var(--steel);
  letter-spacing: 0.06em;
  line-height: 1.5;
}

/* ============================================
   EQUIPMENT — 設備リスト
   ============================================ */

.eq-section {
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 36px 36px 32px;
  margin-bottom: 30px;
}

.eq-section .head {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: 24px;
  padding-bottom: 18px;
  margin-bottom: 22px;
  border-bottom: 2px solid var(--copper);
}

.eq-section .head h3 {
  font-family: "Zen Kaku Gothic New", sans-serif;
  font-weight: 700;
  font-size: 22px;
  color: var(--steel);
  letter-spacing: 0.08em;
  margin-bottom: 4px;
}

.eq-section .head .spec {
  font-family: "DM Sans", monospace;
  font-size: 12px;
  font-weight: 600;
  color: var(--copper-deep);
  letter-spacing: 0.15em;
}

.eq-section .head .total {
  font-family: "DM Sans", monospace;
  font-size: 36px;
  font-weight: 700;
  color: var(--copper);
  letter-spacing: 0.02em;
  line-height: 1;
}

.eq-section .head .total .unit {
  font-size: 14px;
  color: var(--text-muted);
  margin-left: 2px;
}

.eq-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.eq-list .item {
  display: grid;
  grid-template-columns: 1fr auto;
  padding: 12px 18px;
  background: var(--ivory-soft);
  border: 1px solid var(--line-soft);
  font-family: "Zen Kaku Gothic New", sans-serif;
  font-size: 13.5px;
  letter-spacing: 0.04em;
  color: var(--steel);
  align-items: baseline;
  border-radius: 2px;
}

.eq-list .item .qty {
  font-family: "DM Sans", monospace;
  font-weight: 700;
  color: var(--copper-deep);
}

/* MEASUREMENT EQUIP */
.measure-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.measure-item {
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 22px 24px;
  display: grid;
  grid-template-columns: 48px 1fr auto;
  gap: 18px;
  align-items: center;
}

.measure-item .ic {
  width: 44px; height: 44px;
  background: var(--azure);
  color: var(--paper);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: "DM Sans", monospace;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.measure-item .name {
  font-family: "Zen Kaku Gothic New", sans-serif;
  font-weight: 700;
  font-size: 14.5px;
  color: var(--steel);
  letter-spacing: 0.04em;
}

.measure-item .name .model {
  display: block;
  font-family: "DM Sans", monospace;
  font-size: 11.5px;
  font-weight: 600;
  color: var(--text-muted);
  margin-top: 4px;
  letter-spacing: 0.06em;
}

.measure-item .freq {
  font-family: "DM Sans", monospace;
  font-size: 11px;
  font-weight: 600;
  color: var(--azure-deep);
  letter-spacing: 0.15em;
  background: rgba(74, 144, 217, 0.1);
  padding: 4px 8px;
  border-radius: 2px;
}

/* ============================================
   RECRUIT
   ============================================ */

.recruit-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.recruit-card {
  background: var(--paper);
  border: 1px solid var(--line);
  overflow: hidden;
}

.recruit-card .head {
  background: var(--steel);
  color: var(--paper);
  padding: 22px 26px;
  border-bottom: 3px solid var(--copper);
}

.recruit-card .head .lbl {
  font-family: "DM Sans", monospace;
  font-size: 10.5px;
  font-weight: 700;
  color: var(--copper-bright);
  letter-spacing: 0.25em;
  margin-bottom: 6px;
}

.recruit-card .head h3 {
  font-family: "Zen Kaku Gothic New", sans-serif;
  font-weight: 700;
  font-size: 22px;
  letter-spacing: 0.1em;
}

.recruit-card .body { padding: 26px 28px 28px; }

.recruit-block {
  margin-bottom: 22px;
  padding-bottom: 18px;
  border-bottom: 1px dashed var(--line);
}

.recruit-block:last-child { border-bottom: none; padding-bottom: 0; margin-bottom: 0; }

.recruit-block .k {
  font-family: "Zen Kaku Gothic New", sans-serif;
  font-size: 12px;
  font-weight: 700;
  color: var(--copper-deep);
  letter-spacing: 0.1em;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.recruit-block .k::before {
  content: "◆";
  font-size: 8px;
  color: var(--copper);
}

.recruit-block .v {
  font-family: "Zen Kaku Gothic New", sans-serif;
  font-size: 14px;
  line-height: 1.85;
  color: var(--text);
  letter-spacing: 0.04em;
}

.recruit-block .v ul {
  list-style: none;
  display: grid;
  gap: 4px;
  margin-top: 4px;
}

.recruit-block .v ul li {
  padding-left: 14px;
  position: relative;
  font-size: 13px;
}

.recruit-block .v ul li::before {
  content: "・";
  position: absolute;
  left: 0;
  color: var(--copper);
}

.recruit-block .v .tel {
  font-family: "DM Sans", monospace;
  font-size: 16px;
  font-weight: 700;
  color: var(--steel);
  letter-spacing: 0.04em;
  display: block;
  margin-top: 4px;
}

.recruit-block .v .contact-person {
  background: var(--ivory-soft);
  border-left: 3px solid var(--copper);
  padding: 10px 14px;
  font-size: 12.5px;
  margin-top: 8px;
}

/* ============================================
   INFO ROWS
   ============================================ */

.info-table {
  background: var(--paper);
  border: 1px solid var(--line);
}

.info-row {
  display: grid;
  grid-template-columns: 220px 1fr;
  border-bottom: 1px solid var(--line);
  transition: background 0.2s;
}

.info-row:last-child { border-bottom: none; }
.info-row:hover { background: var(--ivory-soft); }

.info-row .k {
  background: var(--steel);
  color: var(--paper);
  padding: 22px 24px;
  font-family: "Zen Kaku Gothic New", sans-serif;
  font-weight: 700;
  font-size: 13.5px;
  letter-spacing: 0.1em;
  display: flex;
  align-items: center;
  gap: 10px;
}

.info-row .k::before {
  content: "";
  display: inline-block;
  width: 4px; height: 14px;
  background: var(--copper);
}

.info-row .v {
  padding: 22px 28px;
  font-family: "Zen Kaku Gothic New", sans-serif;
  font-size: 14.5px;
  line-height: 1.95;
  letter-spacing: 0.04em;
  color: var(--text);
}

.info-row .v strong {
  color: var(--copper-deep);
  font-weight: 700;
}

.info-row .v .branch {
  display: block;
  margin-bottom: 10px;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--line);
}

.info-row .v .branch:last-child { border-bottom: none; padding-bottom: 0; margin-bottom: 0; }

.info-row .v .branch .name {
  font-weight: 700;
  color: var(--steel);
  display: block;
  margin-bottom: 4px;
}

/* ============================================
   PRESIDENT MESSAGE
   ============================================ */

.president {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 60px;
  align-items: start;
}

.president-card {
  background: var(--steel);
  color: var(--paper);
  padding: 36px 32px;
  text-align: center;
  position: relative;
}

.president-card::before {
  content: "REPRESENTATIVE";
  position: absolute;
  top: -11px; left: 50%;
  transform: translateX(-50%);
  background: var(--copper);
  color: var(--steel-deep);
  padding: 4px 18px;
  font-family: "DM Sans", monospace;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.25em;
}

.president-card .role {
  font-family: "DM Sans", sans-serif;
  font-size: 12px;
  font-weight: 600;
  color: var(--copper-bright);
  letter-spacing: 0.18em;
  margin-top: 10px;
  margin-bottom: 14px;
}

.president-card .name {
  font-family: "Zen Kaku Gothic New", sans-serif;
  font-weight: 700;
  font-size: 30px;
  color: var(--paper);
  letter-spacing: 0.15em;
  margin-bottom: 6px;
}

.president-card .name-en {
  font-family: "DM Sans", sans-serif;
  font-size: 14px;
  color: var(--copper-bright);
  letter-spacing: 0.18em;
  margin-bottom: 22px;
  font-weight: 500;
}

.president-card .quote {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px dashed var(--steel-line);
  font-family: "Zen Kaku Gothic New", sans-serif;
  font-size: 13.5px;
  color: var(--text-light);
  letter-spacing: 0.06em;
  line-height: 1.85;
  font-style: italic;
}

/* ============================================
   BODY TEXT
   ============================================ */

.body-text { max-width: 820px; }

.body-text p {
  font-size: 15.5px;
  line-height: 2.05;
  margin-bottom: 1.5em;
  letter-spacing: 0.06em;
  color: var(--text);
}

.body-text p em {
  font-style: normal;
  color: var(--copper-deep);
  font-weight: 700;
}

.lead {
  font-family: "Zen Kaku Gothic New", sans-serif;
  font-size: 17.5px;
  line-height: 2.15;
  letter-spacing: 0.06em;
  max-width: 920px;
  margin-bottom: 50px;
  color: var(--steel);
}

.lead em {
  font-style: normal;
  color: var(--copper-deep);
  font-weight: 700;
  border-bottom: 2px solid var(--copper);
  padding-bottom: 1px;
}

.section-deep .lead { color: var(--text-light); }
.section-deep .lead em { color: var(--copper-bright); border-bottom-color: var(--copper-bright); }

/* ============================================
   NEWS / お知らせ
   ============================================ */

.news-list {
  background: var(--paper);
  border: 1px solid var(--line);
}

.news-item {
  display: grid;
  grid-template-columns: 130px auto 1fr;
  gap: 20px;
  padding: 22px 28px;
  border-bottom: 1px solid var(--line);
  align-items: baseline;
  transition: background 0.2s;
}

.news-item:last-child { border-bottom: none; }
.news-item:hover { background: var(--ivory-soft); }

.news-item .date {
  font-family: "DM Sans", monospace;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.news-item .tag {
  font-family: "Zen Kaku Gothic New", sans-serif;
  font-size: 11px;
  font-weight: 700;
  background: var(--copper);
  color: var(--steel-deep);
  padding: 3px 10px;
  letter-spacing: 0.15em;
  white-space: nowrap;
}

.news-item .tag.recruit { background: var(--azure); color: var(--paper); }
.news-item .tag.holiday { background: var(--steel); color: var(--copper-bright); }

.news-item .ttl {
  font-family: "Zen Kaku Gothic New", sans-serif;
  font-size: 14.5px;
  color: var(--steel);
  font-weight: 500;
  letter-spacing: 0.04em;
  line-height: 1.75;
}

/* ============================================
   FORM
   ============================================ */

.form-wrap {
  max-width: 880px;
  margin: 0 auto;
  background: var(--paper);
  border: 1px solid var(--line);
}

.form-wrap-head {
  background: var(--steel);
  color: var(--paper);
  padding: 24px 36px;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  border-bottom: 3px solid var(--copper);
}

.form-wrap-head .ttl {
  font-family: "Zen Kaku Gothic New", sans-serif;
  font-weight: 700;
  font-size: 17px;
  color: var(--copper-bright);
  letter-spacing: 0.15em;
}

.form-wrap-head .ref {
  font-family: "DM Sans", monospace;
  font-size: 11px;
  color: var(--text-light);
  letter-spacing: 0.22em;
}

.form-body { padding: 40px 36px 30px; }

.form-row {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 26px;
  padding: 20px 0;
  border-bottom: 1px dashed var(--line);
  align-items: baseline;
}

.form-row:last-of-type { border-bottom: none; }

.form-row label {
  font-family: "Zen Kaku Gothic New", sans-serif;
  font-weight: 700;
  font-size: 14px;
  color: var(--steel);
  letter-spacing: 0.06em;
  display: flex;
  align-items: center;
  gap: 8px;
}

.form-row label .req {
  background: var(--attack);
  color: var(--paper);
  font-family: "DM Sans", sans-serif;
  font-size: 10px;
  font-weight: 700;
  padding: 2px 7px;
  letter-spacing: 0.1em;
}

.form-row label .en {
  display: block;
  font-family: "DM Sans", monospace;
  font-size: 10px;
  color: var(--copper-deep);
  letter-spacing: 0.2em;
  font-weight: 600;
  margin-top: 2px;
}

.form-row input,
.form-row textarea,
.form-row select {
  width: 100%;
  padding: 11px 14px;
  font-family: "Zen Kaku Gothic New", sans-serif;
  font-size: 14.5px;
  border: 1px solid var(--line);
  background: var(--ivory-soft);
  color: var(--text);
  letter-spacing: 0.04em;
}

.form-row input:focus,
.form-row textarea:focus,
.form-row select:focus {
  outline: none;
  border-color: var(--copper);
  background: var(--paper);
  box-shadow: 0 0 0 3px rgba(184, 122, 64, 0.18);
}

.form-row textarea {
  min-height: 160px;
  resize: vertical;
  line-height: 1.9;
}

.form-submit {
  padding: 30px 36px;
  background: var(--ivory-deep);
  text-align: center;
  border-top: 1px solid var(--line);
}

.form-submit button {
  background: var(--copper);
  color: var(--steel-deep);
  border: none;
  padding: 18px 56px;
  font-family: "Zen Kaku Gothic New", sans-serif;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.2em;
  cursor: pointer;
  transition: all 0.3s;
}

.form-submit button:hover {
  background: var(--copper-bright);
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(184, 122, 64, 0.4);
}

/* ============================================
   CTA
   ============================================ */

.cta {
  background: var(--copper);
  color: var(--steel-deep);
  padding: 80px 32px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(135deg, transparent 49%, rgba(28, 41, 51, 0.05) 50%, transparent 51%);
  background-size: 30px 30px;
}

.cta-inner { position: relative; z-index: 2; max-width: 800px; margin: 0 auto; }

.cta-mark {
  font-family: "DM Sans", monospace;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.4em;
  color: var(--steel-deep);
  margin-bottom: 22px;
}

.cta h2 {
  font-family: "Zen Kaku Gothic New", sans-serif;
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  margin-bottom: 22px;
  letter-spacing: 0.08em;
  color: var(--steel-deep);
  line-height: 1.45;
}

.cta p {
  font-size: 15px;
  color: var(--steel);
  margin-bottom: 36px;
  line-height: 2;
  letter-spacing: 0.05em;
}

.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.cta-actions a {
  background: var(--steel);
  color: var(--copper-bright);
  padding: 18px 36px;
  font-family: "Zen Kaku Gothic New", sans-serif;
  font-size: 14.5px;
  font-weight: 700;
  letter-spacing: 0.15em;
  transition: all 0.3s;
}

.cta-actions a.alt {
  background: var(--paper);
  color: var(--steel);
}

.cta-actions a:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(0,0,0,0.2);
  background: var(--steel-deep);
  color: var(--copper);
}

.cta-actions a.alt:hover {
  background: var(--ivory-soft);
  color: var(--steel);
}

/* ============================================
   CALLOUT
   ============================================ */

.callout {
  background: var(--ivory-soft);
  border-left: 4px solid var(--copper);
  padding: 24px 30px;
  margin: 30px 0;
}

.callout p {
  font-size: 14.5px;
  line-height: 1.95;
  color: var(--steel);
}

.callout p strong {
  color: var(--copper-deep);
  font-weight: 700;
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
  background: var(--steel-deep);
  color: var(--text-light);
  padding: 70px 32px 36px;
}

.footer-inner {
  max-width: 1320px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 50px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--steel-line);
}

.footer-brand .en {
  font-family: "DM Sans", monospace;
  font-size: 12px;
  font-weight: 600;
  color: var(--copper-bright);
  letter-spacing: 0.25em;
  margin-bottom: 10px;
}

.footer-brand .ja {
  font-family: "Zen Kaku Gothic New", sans-serif;
  font-weight: 700;
  font-size: 17px;
  color: var(--paper);
  letter-spacing: 0.08em;
  margin-bottom: 16px;
}

.footer-brand .desc {
  font-family: "Zen Kaku Gothic New", sans-serif;
  font-size: 12.5px;
  line-height: 2.05;
  color: var(--text-light);
}

.footer-brand .desc .branch {
  display: block;
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px dashed var(--steel-line);
}

.footer-col h5 {
  font-family: "DM Sans", sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.3em;
  color: var(--copper-bright);
  margin-bottom: 18px;
}

.footer-col ul { list-style: none; }
.footer-col li {
  font-family: "Zen Kaku Gothic New", sans-serif;
  font-size: 13px;
  margin-bottom: 10px;
  letter-spacing: 0.04em;
}

.footer-col a {
  color: var(--text-light);
  transition: color 0.2s;
}

.footer-col a:hover { color: var(--copper-bright); }

.footer-bottom {
  max-width: 1320px;
  margin: 24px auto 0;
  display: flex;
  justify-content: space-between;
  font-family: "DM Sans", monospace;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--text-muted);
  font-weight: 500;
}

/* ============================================
   UTILITIES
   ============================================ */

.dim-note {
  font-family: "DM Sans", monospace;
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 0.06em;
  margin-top: 22px;
  line-height: 1.7;
}

.section-deep .dim-note { color: var(--text-light); }

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 1024px) {
  .topbar-inner { grid-template-columns: auto auto; height: auto; padding: 14px 22px; gap: 14px; }
  .topbar-nav { display: none; }
  .topbar-cta { margin-left: auto; }
  .topbar-tel { font-size: 14px; }
  .topbar-btn { padding: 8px 14px; font-size: 12px; }
  .hero { padding: 70px 22px 60px; }
  .hero-grid { grid-template-columns: 1fr; gap: 14px; }
  .section { padding: 70px 22px; }
  .sec-head { grid-template-columns: 1fr; gap: 18px; }
  .pillars { grid-template-columns: 1fr; }
  .factory-grid { grid-template-columns: 1fr; }
  .prod-grid { grid-template-columns: 1fr 1fr; }
  .materials { grid-template-columns: 1fr 1fr; }
  .policy-grid { grid-template-columns: 1fr 1fr; }
  .eq-list { grid-template-columns: 1fr; }
  .measure-list { grid-template-columns: 1fr; }
  .quality-pts { grid-template-columns: 1fr; }
  .recruit-grid { grid-template-columns: 1fr; }
  .president { grid-template-columns: 1fr; gap: 36px; }
  .info-row { grid-template-columns: 1fr; }
  .info-row .k { padding: 14px 22px; }
  .info-row .v { padding: 18px 22px; }
  .form-row { grid-template-columns: 1fr; gap: 8px; padding: 16px 0; }
  .form-wrap-head { grid-template-columns: 1fr; gap: 6px; padding: 20px 22px; }
  .form-body { padding: 26px 22px 18px; }
  .form-submit { padding: 24px 22px; }
  .cta { padding: 60px 22px; }
  .cta-actions { flex-direction: column; }
  .cta-actions a { padding: 16px 24px; }
  .footer { padding: 50px 22px 30px; }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 6px; }
  .page-head { padding: 60px 22px 60px; }
  .attack-zero { padding: 40px 24px; }
  .news-item { grid-template-columns: 1fr; gap: 8px; padding: 18px 22px; }
}

@media (max-width: 540px) {
  .prod-grid { grid-template-columns: 1fr 1fr; }
  .materials { grid-template-columns: 1fr; }
  .policy-grid { grid-template-columns: 1fr; }
}