/* ===========================
   GEARTECH JAPAN - Global Styles
   =========================== */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --color-primary:   #1E3A5F;
  --color-accent:    #2E7BBF;
  --color-light:     #F5F7FA;
  --color-border:    #E0E4EA;
  --color-text:      #1A1A2E;
  --color-muted:     #6B7280;
  --font-base:       'Helvetica Neue', Arial, 'Hiragino Sans', 'Meiryo', sans-serif;
  --max-w:           1100px;
}

body {
  font-family: var(--font-base);
  color: var(--color-text);
  background: #fff;
  line-height: 1.7;
  font-size: 16px;
}

a { color: var(--color-accent); text-decoration: none; }
a:hover { text-decoration: underline; }

img { max-width: 100%; height: auto; display: block; }

/* ===========================
   Header
   =========================== */
.site-header {
  background: #fff;
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.site-logo {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.04em;
  text-decoration: none;
}
.site-logo span { color: var(--color-accent); }

.site-nav { display: flex; gap: 32px; align-items: center; }
.site-nav a {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text);
  text-decoration: none;
  padding: 4px 0;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s, color 0.2s;
}
.site-nav a:hover, .site-nav a.active {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}
.nav-contact-btn {
  background: var(--color-accent);
  color: #fff !important;
  padding: 8px 20px !important;
  border-radius: 4px;
  border-bottom: none !important;
}
.nav-contact-btn:hover { background: var(--color-primary); text-decoration: none; }

/* hamburger */
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 4px; }
.nav-toggle span {
  display: block; width: 24px; height: 2px;
  background: var(--color-text); margin: 5px 0;
  transition: transform 0.3s;
}

/* ===========================
   Hero
   =========================== */
.hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, #2E5FA3 100%);
  color: #fff;
  padding: 100px 24px 90px;
  text-align: center;
}
.hero-label {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  border: 1px solid rgba(255,255,255,0.5);
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 24px;
  opacity: 0.85;
}
.hero h1 {
  font-size: clamp(28px, 5vw, 48px);
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 20px;
  letter-spacing: 0.02em;
}
.hero p {
  font-size: clamp(14px, 2vw, 17px);
  opacity: 0.88;
  max-width: 560px;
  margin: 0 auto 36px;
}
.hero-btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.btn-primary {
  background: #fff;
  color: var(--color-primary);
  font-weight: 700;
  padding: 14px 32px;
  border-radius: 4px;
  font-size: 15px;
  transition: opacity 0.2s;
}
.btn-primary:hover { opacity: 0.9; text-decoration: none; }
.btn-outline {
  border: 2px solid rgba(255,255,255,0.7);
  color: #fff;
  padding: 12px 28px;
  border-radius: 4px;
  font-size: 15px;
  transition: background 0.2s;
}
.btn-outline:hover { background: rgba(255,255,255,0.1); text-decoration: none; }

/* ===========================
   Section Base
   =========================== */
.section { padding: 80px 24px; }
.section-inner { max-width: var(--max-w); margin: 0 auto; }
.section-light { background: var(--color-light); }

.section-head { margin-bottom: 48px; }
.section-head h2 {
  font-size: clamp(22px, 3.5vw, 32px);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 12px;
}
.section-head p { color: var(--color-muted); max-width: 540px; }

.eyebrow {
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  font-weight: 600;
  display: block;
  margin-bottom: 8px;
}

/* ===========================
   Service Cards
   =========================== */
.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}
.service-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 32px 28px;
  transition: box-shadow 0.2s;
}
.service-card:hover { box-shadow: 0 4px 20px rgba(0,0,0,0.08); }
.service-icon {
  width: 48px; height: 48px;
  background: #E8F1FB;
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
  font-size: 22px;
}
.service-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; color: var(--color-primary); }
.service-card p { font-size: 14px; color: var(--color-muted); line-height: 1.8; }
.service-card .tag-list { margin-top: 16px; display: flex; flex-wrap: wrap; gap: 6px; }
.tag {
  font-size: 11px;
  background: var(--color-light);
  color: var(--color-accent);
  padding: 3px 10px;
  border-radius: 20px;
  border: 1px solid var(--color-border);
}

/* ===========================
   Points / Reasons
   =========================== */
.points-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}
.point-item { text-align: center; padding: 24px 16px; }
.point-num {
  font-size: 40px;
  font-weight: 800;
  color: var(--color-accent);
  opacity: 0.25;
  line-height: 1;
  margin-bottom: 8px;
}
.point-item h3 { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.point-item p { font-size: 14px; color: var(--color-muted); }

/* ===========================
   Works / Cases
   =========================== */
.works-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 28px;
}
.work-card {
  border: 1px solid var(--color-border);
  border-radius: 8px;
  overflow: hidden;
  transition: box-shadow 0.2s;
}
.work-card:hover { box-shadow: 0 4px 20px rgba(0,0,0,0.08); }
.work-thumb {
  background: var(--color-light);
  height: 200px;
  display: flex; align-items: center; justify-content: center;
  font-size: 48px;
  color: var(--color-border);
}
.work-body { padding: 20px; }
.work-body .work-tag {
  font-size: 11px;
  font-weight: 600;
  color: var(--color-accent);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 6px;
}
.work-body h3 { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.work-body p { font-size: 14px; color: var(--color-muted); }

/* ===========================
   CTA Band
   =========================== */
.cta-band {
  background: var(--color-primary);
  color: #fff;
  padding: 64px 24px;
  text-align: center;
}
.cta-band h2 { font-size: clamp(20px, 3vw, 28px); margin-bottom: 12px; }
.cta-band p { opacity: 0.85; margin-bottom: 32px; font-size: 15px; }

/* ===========================
   Contact Form
   =========================== */
.contact-form-wrap { max-width: 640px; margin: 0 auto; }
.form-row { margin-bottom: 24px; }
.form-row label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 6px;
}
.form-row .required {
  color: #E53E3E;
  font-size: 11px;
  margin-left: 4px;
}
.form-row input, .form-row select, .form-row textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  font-size: 15px;
  font-family: var(--font-base);
  transition: border-color 0.2s;
  background: #fff;
}
.form-row input:focus, .form-row select:focus, .form-row textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(46,123,191,0.12);
}
.form-row textarea { resize: vertical; min-height: 140px; }
.form-submit-btn {
  background: var(--color-accent);
  color: #fff;
  border: none;
  padding: 14px 40px;
  border-radius: 4px;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s;
  width: 100%;
}
.form-submit-btn:hover { background: var(--color-primary); }

/* ===========================
   About
   =========================== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
.about-table { width: 100%; border-collapse: collapse; margin-top: 8px; }
.about-table th, .about-table td {
  text-align: left;
  padding: 12px 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 14px;
  vertical-align: top;
}
.about-table th { width: 120px; color: var(--color-muted); font-weight: 500; }

/* ===========================
   Page Hero (inner pages)
   =========================== */
.page-hero {
  background: var(--color-primary);
  color: #fff;
  padding: 56px 24px;
}
.page-hero-inner { max-width: var(--max-w); margin: 0 auto; }
.page-hero h1 { font-size: clamp(22px, 3vw, 32px); font-weight: 700; margin-bottom: 8px; }
.page-hero p { opacity: 0.8; font-size: 14px; }
.breadcrumb { font-size: 12px; opacity: 0.6; margin-bottom: 12px; }
.breadcrumb a { color: #fff; }

/* ===========================
   Footer
   =========================== */
.site-footer {
  background: #0F1D2E;
  color: rgba(255,255,255,0.7);
  padding: 48px 24px 24px;
}
.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand .site-logo { color: #fff; font-size: 16px; margin-bottom: 12px; display: block; }
.footer-brand p { font-size: 13px; line-height: 1.8; }
.footer-nav h4 { color: #fff; font-size: 13px; font-weight: 600; margin-bottom: 12px; letter-spacing: 0.06em; }
.footer-nav ul { list-style: none; }
.footer-nav ul li { margin-bottom: 8px; }
.footer-nav ul li a { font-size: 13px; color: rgba(255,255,255,0.6); text-decoration: none; }
.footer-nav ul li a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 20px;
  text-align: center;
  font-size: 12px;
  opacity: 0.5;
}

/* ===========================
   Utilities
   =========================== */
.text-center { text-align: center; }
.mt-8  { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-32 { margin-top: 32px; }

/* ===========================
   Responsive
   =========================== */
@media (max-width: 768px) {
  .site-nav { display: none; flex-direction: column; position: absolute; top: 64px; left: 0; right: 0; background: #fff; border-bottom: 1px solid var(--color-border); padding: 16px 24px; gap: 0; }
  .site-nav.open { display: flex; }
  .site-nav a { padding: 12px 0; border-bottom: 1px solid var(--color-border); border-right: none; font-size: 15px; }
  .site-nav a:last-child { border-bottom: none; }
  .nav-contact-btn { background: none !important; color: var(--color-accent) !important; padding: 12px 0 !important; }
  .nav-toggle { display: block; }

  .hero { padding: 70px 20px 60px; }
  .section { padding: 56px 20px; }

  .about-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-inner { grid-template-columns: 1fr; gap: 28px; }
}