/* ============================================================
   合同会社Symarch — Corporate Site Stylesheet
   style.css
   ============================================================ */

/* ─── RESET & ROOT ─── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --ink:        #1a1814;
  --ink-mid:    #4a4640;
  --ink-light:  #8c887f;
  --paper:      #faf8f4;
  --paper-warm: #f2ede4;
  --accent:     #c8562a;
  --gold:       #b89a5a;
  --border:     rgba(26, 24, 20, 0.12);
  --font-ja:      'Shippori Mincho', serif;
  --font-en:      'DM Sans', sans-serif;
  --font-display: 'DM Serif Display', serif;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-en);
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
}

/* ─── NAVIGATION ─── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 56px;
  background: rgba(250, 248, 244, 0.94);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  transition: padding 0.3s;
}

.nav-logo {
  text-decoration: none;
  display: flex;
  align-items: center;
}

.nav-logo img {
  height: 44px;
  width: auto;
  display: block;
}

.nav-logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.nav-logo-text span:first-child {
  font-family: var(--font-display);
  font-size: 20px;
  color: var(--ink);
  letter-spacing: 0.02em;
}

.nav-logo-text span:last-child {
  font-family: var(--font-ja);
  font-size: 10px;
  color: var(--ink-light);
  letter-spacing: 0.1em;
  margin-top: 2px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  font-family: var(--font-ja);
  font-size: 13px;
  color: var(--ink);
  letter-spacing: 0.04em;
  position: relative;
  padding-bottom: 2px;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0; right: 0;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s;
}

.nav-links a:hover::after {
  transform: scaleX(1);
}

.nav-cta {
  background: var(--ink) !important;
  color: var(--paper) !important;
  padding: 9px 22px !important;
  border-radius: 2px;
  font-size: 12px !important;
  letter-spacing: 0.08em !important;
  transition: background 0.2s;
  font-family: var(--font-en) !important;
}

.nav-cta:hover {
  background: var(--accent) !important;
}

.nav-cta::after {
  display: none !important;
}

/* ─── HERO ─── */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  padding-top: 72px;
  overflow: hidden;
}

.hero-left {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 80px 64px 80px 80px;
}

.hero-eyebrow {
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--ink-light);
  text-transform: uppercase;
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.hero-eyebrow::before {
  content: '';
  display: block;
  width: 32px;
  height: 1px;
  background: var(--accent);
}

.hero-title-ja {
  font-family: var(--font-ja);
  font-size: clamp(36px, 4.2vw, 58px);
  font-weight: 600;
  line-height: 1.5;
  color: var(--ink);
  margin-bottom: 6px;
}

.hero-title-en {
  font-family: var(--font-display);
  font-size: clamp(20px, 2.6vw, 36px);
  font-style: italic;
  color: var(--ink-mid);
  margin-bottom: 32px;
  line-height: 1.3;
}

.hero-sub-ja {
  font-family: var(--font-ja);
  font-size: 15px;
  line-height: 2.1;
  color: var(--ink-mid);
  margin-bottom: 6px;
}

.hero-sub-en {
  font-size: 13px;
  line-height: 1.85;
  color: var(--ink-light);
  margin-bottom: 48px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  padding: 14px 32px;
  text-decoration: none;
  font-size: 13px;
  letter-spacing: 0.08em;
  border-radius: 2px;
  transition: background 0.2s, transform 0.15s;
  display: inline-block;
}

.btn-primary:hover {
  background: #a8441e;
  transform: translateY(-1px);
}

.btn-ghost {
  color: var(--ink);
  text-decoration: none;
  font-size: 13px;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--border);
  padding-bottom: 2px;
  transition: border-color 0.2s, color 0.2s;
}

.btn-ghost:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.hero-right {
  position: relative;
  background: var(--paper-warm);
  overflow: hidden;
}

.hero-right::before {
  content: 'Symarch';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%) rotate(-12deg);
  font-family: var(--font-display);
  font-size: 110px;
  font-style: italic;
  color: rgba(26, 24, 20, 0.04);
  white-space: nowrap;
  pointer-events: none;
}

.hero-graphic {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-graphic svg {
  width: 58%;
  max-width: 320px;
  opacity: 0.88;
}

/* ─── SECTION COMMONS ─── */
section {
  padding: 100px 80px;
}

.sec-label {
  font-size: 10px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.sec-label::after {
  content: '';
  width: 36px;
  height: 1px;
  background: var(--accent);
  opacity: 0.5;
}

.sec-h {
  font-family: var(--font-ja);
  font-size: clamp(26px, 3vw, 38px);
  font-weight: 600;
  line-height: 1.45;
  margin-bottom: 6px;
}

.sec-h-en {
  font-family: var(--font-display);
  font-size: clamp(18px, 2vw, 26px);
  font-style: italic;
  color: var(--ink-light);
  margin-bottom: 44px;
}

/* ─── DIVIDER ─── */
.divider {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 0 80px;
  opacity: 0.32;
}

.divider-line {
  flex: 1;
  height: 1px;
  background: var(--border);
}

.divider-mark {
  font-family: var(--font-display);
  font-size: 16px;
  font-style: italic;
  color: var(--ink-light);
}

.divider-dark {
  background: var(--ink);
  padding: 0 80px;
  opacity: 1;
  display: flex;
  align-items: center;
  gap: 16px;
}

.divider-dark .divider-line {
  background: rgba(250, 248, 244, 0.1);
}

.divider-dark .divider-mark {
  color: rgba(250, 248, 244, 0.18);
}

/* ─── VMV ─── */
#vmv {
  background: var(--ink);
  color: var(--paper);
}

#vmv .sec-label {
  color: var(--gold);
}

#vmv .sec-label::after {
  background: var(--gold);
}

#vmv .sec-h {
  color: var(--paper);
}

#vmv .sec-h-en {
  color: rgba(250, 248, 244, 0.38);
}

.vmv-problem {
  background: rgba(250, 248, 244, 0.05);
  border: 1px solid rgba(250, 248, 244, 0.1);
  border-radius: 4px;
  padding: 28px 32px;
  margin-bottom: 52px;
}

.vmv-problem p.ja {
  font-family: var(--font-ja);
  font-size: 15px;
  line-height: 2.1;
  color: rgba(250, 248, 244, 0.78);
  margin-bottom: 8px;
}

.vmv-problem p.en {
  font-size: 13px;
  color: rgba(250, 248, 244, 0.36);
  line-height: 1.85;
}

.vmv-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
}

.vmv-card {
  padding: 36px 32px;
  background: rgba(250, 248, 244, 0.04);
  border-top: 2px solid transparent;
  transition: background 0.25s;
}

.vmv-card:hover {
  background: rgba(250, 248, 244, 0.07);
}

.vmv-card.vision  { border-color: var(--gold); }
.vmv-card.mission { border-color: var(--accent); }
.vmv-card.value   { border-color: rgba(250, 248, 244, 0.22); }

.vmv-tag {
  font-family: var(--font-display);
  font-size: 11px;
  font-style: italic;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.vmv-card.vision  .vmv-tag { color: var(--gold); }
.vmv-card.mission .vmv-tag { color: var(--accent); }
.vmv-card.value   .vmv-tag { color: rgba(250, 248, 244, 0.4); }

.vmv-body-ja {
  font-family: var(--font-ja);
  font-size: 18px;
  font-weight: 600;
  line-height: 1.75;
  color: var(--paper);
  margin-bottom: 12px;
}

.vmv-body-en {
  font-size: 13px;
  line-height: 1.85;
  color: rgba(250, 248, 244, 0.4);
}

.vmv-note {
  margin-top: 28px;
  font-size: 12px;
  color: rgba(250, 248, 244, 0.28);
  font-family: var(--font-ja);
}

/* ─── ABOUT ─── */
#about {
  background: var(--paper);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-text p.ja {
  font-family: var(--font-ja);
  font-size: 15px;
  line-height: 2.2;
  color: var(--ink-mid);
  margin-bottom: 10px;
}

.about-text p.en {
  font-size: 13px;
  line-height: 1.9;
  color: var(--ink-light);
  margin-bottom: 28px;
}

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.stat-card {
  border: 1px solid var(--border);
  padding: 26px 22px;
  border-radius: 4px;
  position: relative;
  overflow: hidden;
  transition: border-color 0.2s;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 3px;
  height: 100%;
  background: var(--accent);
  opacity: 0;
  transition: opacity 0.2s;
}

.stat-card:hover { border-color: var(--accent); }
.stat-card:hover::before { opacity: 1; }

.stat-num {
  font-family: var(--font-display);
  font-size: 34px;
  color: var(--ink);
  line-height: 1;
  margin-bottom: 6px;
}

.stat-ja {
  font-family: var(--font-ja);
  font-size: 12px;
  color: var(--ink-mid);
}

.stat-en {
  font-size: 10px;
  color: var(--ink-light);
  letter-spacing: 0.05em;
}

/* ─── BUSINESS ─── */
#business {
  background: var(--paper-warm);
}

.biz-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
}

.biz-card {
  background: var(--paper);
  padding: 40px 32px;
  position: relative;
  overflow: hidden;
  transition: background 0.25s;
}

.biz-card:hover {
  background: #fff;
}

.biz-num {
  font-family: var(--font-display);
  font-size: 52px;
  font-style: italic;
  color: rgba(26, 24, 20, 0.05);
  position: absolute;
  top: 12px; right: 20px;
  line-height: 1;
  pointer-events: none;
}

.biz-icon {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--paper-warm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  margin-bottom: 20px;
}

.biz-title-ja {
  font-family: var(--font-ja);
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 4px;
}

.biz-title-en {
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--ink-light);
  text-transform: uppercase;
  margin-bottom: 18px;
}

.biz-desc-ja {
  font-family: var(--font-ja);
  font-size: 13px;
  line-height: 2;
  color: var(--ink-mid);
  margin-bottom: 8px;
}

.biz-desc-en {
  font-size: 12px;
  line-height: 1.85;
  color: var(--ink-light);
}

.biz-link {
  display: inline-block;
  margin-top: 18px;
  font-size: 12px;
  color: var(--accent);
  text-decoration: none;
  letter-spacing: 0.04em;
  border-bottom: 1px solid rgba(200, 86, 42, 0.3);
  padding-bottom: 1px;
  transition: border-color 0.2s;
}

.biz-link:hover {
  border-color: var(--accent);
}

/* ─── REPRESENTATIVE ─── */
#representative {
  background: var(--ink);
  color: var(--paper);
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 80px;
  align-items: start;
  padding: 100px 80px;
}

.rep-portrait {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: rgba(250, 248, 244, 0.07);
  border: 1px solid rgba(250, 248, 244, 0.14);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 52px;
  font-style: italic;
  color: rgba(250, 248, 244, 0.18);
  margin-bottom: 28px;
  overflow: hidden;
}

.rep-portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.rep-role-ja {
  font-family: var(--font-ja);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--gold);
  margin-bottom: 3px;
}

.rep-role-en {
  font-size: 10px;
  letter-spacing: 0.14em;
  color: rgba(250, 248, 244, 0.3);
  text-transform: uppercase;
  margin-bottom: 20px;
}

.rep-name-ja {
  font-family: var(--font-ja);
  font-size: 34px;
  font-weight: 600;
  color: var(--paper);
  line-height: 1.2;
  margin-bottom: 4px;
}

.rep-name-en {
  font-family: var(--font-display);
  font-size: 20px;
  font-style: italic;
  color: rgba(250, 248, 244, 0.42);
  margin-bottom: 28px;
}

.rep-profile {
  border-top: 1px solid rgba(250, 248, 244, 0.1);
  padding-top: 24px;
}

.rep-profile-item {
  display: flex;
  gap: 14px;
  align-items: baseline;
  margin-bottom: 10px;
}

.rep-year {
  font-family: var(--font-display);
  font-size: 13px;
  font-style: italic;
  color: var(--gold);
  min-width: 44px;
  flex-shrink: 0;
}

.rep-text {
  font-family: var(--font-ja);
  font-size: 13px;
  line-height: 1.85;
  color: rgba(250, 248, 244, 0.52);
}

.rep-msg-label {
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.rep-msg-label::before {
  content: '';
  display: block;
  width: 24px;
  height: 1px;
  background: var(--gold);
}

.rep-quote-ja {
  font-family: var(--font-ja);
  font-size: 15px;
  line-height: 2.3;
  color: rgba(250, 248, 244, 0.84);
  border-left: 2px solid rgba(184, 154, 90, 0.35);
  padding-left: 24px;
  margin-bottom: 12px;
}

.rep-quote-en {
  font-size: 13px;
  line-height: 1.9;
  color: rgba(250, 248, 244, 0.36);
  padding-left: 26px;
  margin-bottom: 28px;
}

/* ─── COMPANY ─── */
#company {
  background: var(--paper);
}

.co-table {
  width: 100%;
  max-width: 740px;
  border-collapse: collapse;
  margin-top: 40px;
}

.co-table tr {
  border-bottom: 1px solid var(--border);
}

.co-table tr:first-child {
  border-top: 1px solid var(--border);
}

.co-table th {
  text-align: left;
  padding: 20px 0;
  width: 220px;
  vertical-align: top;
}

.th-en {
  font-size: 10px;
  color: var(--ink-light);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 2px;
}

.th-ja {
  font-family: var(--font-ja);
  font-size: 13px;
  font-weight: 500;
  color: var(--ink);
  display: block;
}

.co-table td {
  padding: 20px 0;
  vertical-align: top;
}

.td-ja {
  font-family: var(--font-ja);
  font-size: 14px;
  color: var(--ink-mid);
  display: block;
  line-height: 1.9;
}

.td-en {
  font-size: 12px;
  color: var(--ink-light);
  display: block;
  margin-top: 3px;
  line-height: 1.75;
}

.td-ja a,
.td-en a {
  color: var(--accent);
  text-decoration: none;
}

.td-ja a:hover,
.td-en a:hover {
  text-decoration: underline;
}

/* ─── CONTACT ─── */
#contact {
  background: var(--paper-warm);
  text-align: center;
}

#contact .sec-label {
  justify-content: center;
}

#contact .sec-label::before {
  content: '';
  width: 36px;
  height: 1px;
  background: var(--accent);
  opacity: 0.5;
}

#contact .sec-label::after {
  display: none;
}

.contact-lead-ja {
  font-family: var(--font-ja);
  font-size: 16px;
  line-height: 2;
  color: var(--ink-mid);
  max-width: 600px;
  margin: 0 auto 8px;
}

.contact-lead-en {
  font-size: 13px;
  color: var(--ink-light);
  max-width: 560px;
  margin: 0 auto 40px;
  line-height: 1.85;
}

.contact-cards {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.contact-card {
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 36px 44px;
  min-width: 300px;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.contact-card:hover {
  border-color: rgba(200, 86, 42, 0.3);
  box-shadow: 0 4px 24px rgba(26, 24, 20, 0.06);
}

.contact-card-label {
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-light);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.contact-card-label::before {
  content: '';
  width: 20px;
  height: 1px;
  background: var(--ink-light);
  opacity: 0.5;
}

.contact-email {
  font-family: var(--font-display);
  font-size: 18px;
  color: var(--ink);
  text-decoration: none;
  display: block;
  margin-bottom: 8px;
  transition: color 0.2s;
}

.contact-email:hover {
  color: var(--accent);
}

.contact-note-ja {
  font-family: var(--font-ja);
  font-size: 12px;
  color: var(--ink-light);
  line-height: 1.8;
}

.contact-note-en {
  font-size: 11px;
  color: rgba(140, 136, 127, 0.6);
  margin-top: 2px;
}

/* ─── FOOTER ─── */
footer {
  background: var(--ink);
  color: var(--paper);
  padding: 48px 80px 32px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding-bottom: 28px;
  border-bottom: 1px solid rgba(250, 248, 244, 0.1);
  margin-bottom: 20px;
}

.footer-brand-en {
  font-family: var(--font-display);
  font-size: 20px;
  font-style: italic;
  color: var(--paper);
  margin-bottom: 4px;
}

.footer-brand-ja {
  font-family: var(--font-ja);
  font-size: 11px;
  color: rgba(250, 248, 244, 0.35);
  letter-spacing: 0.1em;
}

.footer-links {
  display: flex;
  gap: 28px;
  list-style: none;
  align-items: center;
  flex-wrap: wrap;
}

.footer-links a {
  text-decoration: none;
  font-size: 12px;
  font-family: var(--font-ja);
  color: rgba(250, 248, 244, 0.42);
  transition: color 0.2s;
}

.footer-links a:hover {
  color: var(--paper);
}

.footer-copy {
  font-size: 11px;
  color: rgba(250, 248, 244, 0.26);
  letter-spacing: 0.04em;
}

/* ─── FADE-UP ANIMATION ─── */
.fade-up {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: none;
}

/* ─── RESPONSIVE ─── */
@media (max-width: 960px) {
  nav {
    padding: 14px 24px;
  }

  .nav-links {
    display: none;
  }

  .hero {
    grid-template-columns: 1fr;
  }

  .hero-right {
    display: none;
  }

  .hero-left {
    padding: 60px 24px;
  }

  section {
    padding: 72px 24px;
  }

  #about {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .vmv-cards,
  .biz-grid {
    grid-template-columns: 1fr;
  }

  #representative {
    grid-template-columns: 1fr;
    gap: 48px;
    padding: 72px 24px;
  }

  .footer-inner {
    flex-direction: column;
    gap: 20px;
  }

  footer {
    padding: 40px 24px 24px;
  }

  .divider {
    margin: 0 24px;
  }

  .divider-dark {
    padding: 0 24px;
  }

  .contact-cards {
    flex-direction: column;
    align-items: center;
  }
}