/* ============================================================
   about.css — 会社概要ページ固有スタイル
   ============================================================ */

/* ---------- Page Hero (compact) ---------- */
.page-hero {
  position: relative;
  height: 340px;
  background: var(--ink);
  color: #fff;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
}
.page-hero::before {
  content: ""; position: absolute; inset: 0;
  background:
    repeating-linear-gradient(115deg, rgba(255,255,255,.03) 0 2px, transparent 2px 22px),
    radial-gradient(800px 400px at 70% 30%, #1f4467 0%, #0a1622 65%);
}
.page-hero .container {
  position: relative; z-index: 2;
  padding-bottom: 56px;
}
.page-hero-eyebrow {
  display: flex; align-items: center; gap: 14px;
  font-family: var(--mono); font-size: 11px; letter-spacing: .18em;
  color: rgba(255,255,255,.6);
  margin-bottom: 18px;
}
.page-hero-eyebrow .bar { width: 36px; height: 1px; background: rgba(255,255,255,.4) }
.page-hero-title {
  font-family: var(--en); font-weight: 500;
  font-size: clamp(48px, 7vw, 96px);
  line-height: .92; letter-spacing: .005em;
  margin: 0; text-transform: uppercase;
}
.page-hero-ja {
  font-size: 14px; letter-spacing: .24em; color: rgba(255,255,255,.7);
  margin-top: 14px; font-weight: 400;
}

/* ---------- Greeting ---------- */
.greeting {
  padding: 140px 0 120px;
  background: var(--paper);
  position: relative; overflow: hidden;
}
.greeting .sec-watermark { top: 40px; right: -60px }
.greeting-grid {
  display: grid; grid-template-columns: 1fr 1.2fr; gap: 80px;
  align-items: start;
}
.greeting-body {
  font-size: 16px; line-height: 2.2; letter-spacing: .06em;
  color: var(--ink);
}
.greeting-body p {
  margin: 0 0 28px;
}
.greeting-body p:last-of-type { margin-bottom: 0 }
.greeting-sign {
  margin-top: 40px;
  font-size: 15px; letter-spacing: .14em;
  color: var(--slate);
  text-align: right;
}

/* ---------- Philosophy / Vision ---------- */
.philosophy {
  padding: 140px 0;
  background: var(--paper-2);
  position: relative; overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.philosophy .sec-watermark { top: 40px; left: -60px }
.philosophy-grid {
  display: grid; grid-template-columns: 1fr 1.2fr; gap: 80px;
  align-items: start;
}
.philosophy-body {
  font-size: 17px; line-height: 2.2; letter-spacing: .06em;
  color: var(--ink);
  border-left: 2px solid var(--ink);
  padding-left: 32px;
}
.philosophy-body p {
  margin: 0 0 28px;
}
.philosophy-body p:last-of-type { margin-bottom: 0 }
.motto {
  margin: 0 0 40px;
  padding: 28px 0 32px;
  border-bottom: 1px solid var(--line);
  text-align: center;
}
.motto-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .22em;
  color: var(--slate-2);
  margin-bottom: 18px;
}
.motto-text {
  font-family: var(--serif);
  font-size: clamp(24px, 3.2vw, 40px);
  font-weight: 600;
  letter-spacing: .18em;
  color: var(--ink);
  line-height: 1.4;
}

/* ---------- Company Profile Table ---------- */
.profile {
  padding: 140px 0;
  background: var(--ink);
  color: #fff;
  position: relative; overflow: hidden;
}
.profile .sec-watermark { bottom: 30px; left: -40px; color: rgba(255,255,255,.04) }
.profile-table {
  margin-top: 56px;
  width: 100%;
  border-collapse: collapse;
}
.profile-table tr {
  border-bottom: 1px solid rgba(255,255,255,.12);
}
.profile-table th,
.profile-table td {
  padding: 24px 0;
  text-align: left;
  vertical-align: top;
  font-weight: 400;
}
.profile-table th {
  width: 180px;
  font-family: var(--mono); font-size: 11px; letter-spacing: .2em;
  color: rgba(255,255,255,.55);
  text-transform: uppercase;
  padding-right: 32px;
  padding-top: 28px;
}
.profile-table td {
  font-size: 15px; line-height: 1.9; letter-spacing: .06em;
  color: rgba(255,255,255,.9);
}

/* ---------- Locations ---------- */
.locations {
  padding: 140px 0;
  background: var(--paper-2);
  position: relative; overflow: hidden;
}
.locations .sec-watermark { top: 60px; right: -40px }
.loc-grid {
  margin-top: 56px;
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px;
}
.loc-card {
  padding: 36px 32px;
  border: 1px solid var(--line);
  background: var(--paper);
  transition: border-color .3s;
}
.loc-card:hover { border-color: var(--ink) }
.loc-card .loc-name {
  font-family: var(--en); font-size: 20px; font-weight: 500;
  letter-spacing: .06em; color: var(--ink);
  text-transform: uppercase;
  margin-bottom: 4px;
}
.loc-card .loc-name-ja {
  font-size: 15px; font-weight: 600; letter-spacing: .1em;
  color: var(--ink); margin-bottom: 18px;
}
.loc-card .loc-detail {
  font-size: 14px; line-height: 1.9; letter-spacing: .04em;
  color: var(--slate);
}
.loc-card .loc-detail .loc-big {
  display: block;
  font-family: var(--en); font-weight: 500; font-size: 18px;
  letter-spacing: .04em; color: var(--ink); margin-top: 6px;
}
.loc-card .loc-area {
  margin-top: 14px;
  font-family: var(--mono); font-size: 10px; letter-spacing: .18em;
  color: var(--slate-2);
}
.loc-card.is-hq {
  grid-column: 1 / -1;
  border-color: var(--ink);
  background: var(--white);
}

/* ---------- History Timeline ---------- */
.history {
  padding: 140px 0 160px;
  background: var(--paper);
  position: relative; overflow: hidden;
}
.history .sec-watermark { bottom: -20px; left: -40px }
.timeline {
  margin-top: 56px;
  position: relative;
  padding-left: 200px;
}
.timeline::before {
  content: "";
  position: absolute; left: 180px; top: 0; bottom: 0;
  width: 1px; background: var(--line);
}
.tl-item {
  position: relative;
  padding: 0 0 48px 40px;
}
.tl-item:last-child { padding-bottom: 0 }
.tl-item::before {
  content: "";
  position: absolute; left: -6px; top: 8px;
  width: 11px; height: 11px;
  border: 2px solid var(--ink); border-radius: 50%;
  background: var(--paper);
  z-index: 1;
}
.tl-year {
  position: absolute; left: -200px; top: 0;
  width: 160px; text-align: right;
  font-family: var(--en); font-weight: 500; font-size: 24px;
  letter-spacing: .04em; color: var(--ink);
  line-height: 1.2;
}
.tl-year small {
  display: block;
  font-family: var(--jp); font-size: 12px; font-weight: 400;
  letter-spacing: .08em; color: var(--slate);
  margin-top: 2px;
}
.tl-content {
  font-size: 15px; line-height: 1.8; letter-spacing: .04em;
  color: var(--ink);
}

/* ---------- Equipment ---------- */
.equip-section {
  padding: 140px 0;
  background: var(--ink-deep);
  color: #fff;
  position: relative; overflow: hidden;
}
.equip-section .sec-watermark { top: 60px; right: -30px; color: rgba(255,255,255,.04) }
.equip-grid {
  margin-top: 56px;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
}
.equip-item {
  padding: 28px 24px;
  border: 1px solid rgba(255,255,255,.12);
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 16px;
  transition: border-color .3s, background .3s;
}
.equip-item:hover {
  border-color: rgba(255,255,255,.3);
  background: rgba(255,255,255,.04);
}
.equip-item .eq-name {
  font-size: 14px; letter-spacing: .08em; font-weight: 500;
}
.equip-item .eq-count {
  font-family: var(--en); font-weight: 500; font-size: 28px;
  letter-spacing: .02em; white-space: nowrap;
}
.equip-item .eq-count small {
  font-family: var(--jp); font-size: 13px; font-weight: 400;
  margin-left: 4px; letter-spacing: .1em;
  color: rgba(255,255,255,.6);
}

/* ============================================================
   Responsive — About page
   ============================================================ */
@media (max-width: 1100px) {
  .greeting-grid { grid-template-columns: 1fr; gap: 48px }
  .philosophy-grid { grid-template-columns: 1fr; gap: 48px }
  .loc-grid { grid-template-columns: 1fr }
  .loc-card.is-hq { grid-column: auto }
  .equip-grid { grid-template-columns: repeat(2, 1fr) }
}
@media (max-width: 720px) {
  .page-hero { height: 220px }
  .page-hero .container { padding-bottom: 28px }
  .page-hero-title { font-size: clamp(36px, 10vw, 56px) }
  .page-hero-ja { font-size: 13px }
  .greeting, .philosophy, .profile, .locations, .history, .equip-section { padding: 72px 0 }
  .greeting-grid, .philosophy-grid { gap: 32px }
  .greeting-body, .philosophy-body { font-size: 15px; line-height: 2 }
  .philosophy-body { padding-left: 20px }
  .profile-table th {
    display: block; width: 100%;
    padding-bottom: 4px;
  }
  .profile-table td {
    display: block; width: 100%;
    padding-top: 0; padding-bottom: 24px;
    font-size: 14px;
  }
  .timeline { padding-left: 0 }
  .timeline::before { left: 14px }
  .tl-item { padding-left: 44px; padding-bottom: 32px }
  .tl-item::before { left: 9px }
  .tl-year {
    position: static; width: auto; text-align: left;
    font-size: 20px; margin-bottom: 4px;
  }
  .tl-year small { display: inline; margin-left: 8px }
  .tl-content { font-size: 14px }
  .equip-grid { grid-template-columns: 1fr }
  .equip-item { padding: 20px 18px }
  .equip-item .eq-name { font-size: 14px }
  .equip-item .eq-count { font-size: 24px }
  .loc-card { padding: 24px 20px }
  .loc-card .loc-name { font-size: 16px }
  .loc-card .loc-detail { font-size: 13px }
}