/* =========================================================
   CyberQLead — Deep Tech Strategy Studio
   Flat / low-saturation / minimal-color modern design
   ========================================================= */

:root {
  /* neutral core */
  --ink: #17191e;
  --text: #464b55;
  --text-soft: #5b616c;
  --muted: #9298a3;

  --bg: #f6f7f9;
  --bg-alt: #eef0f3;
  --surface: #ffffff;

  --line: #e5e7ec;
  --line-strong: #d5d9e0;

  /* single, desaturated accent */
  --accent: #4a5a70;
  --accent-strong: #333f4f;
  --accent-tint: #eceff3;

  /* flat dark (neutral, not navy) */
  --dark: #1b1e24;
  --dark-2: #23272f;
  --on-dark: #c7ccd4;
  --on-dark-soft: #8b909b;

  /* type */
  --sans: "IBM Plex Sans JP", system-ui, sans-serif;
  --en: "IBM Plex Mono", ui-monospace, SFMono-Regular, "IBM Plex Sans JP", monospace;

  /* layout */
  --container: 1180px;
  --radius-card: 10px;
  --radius-sm: 6px;
  --radius-xs: 4px;

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: auto; }

body {
  margin: 0;
  color: var(--text);
  background: var(--bg);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  margin: 0;
  color: var(--ink);
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: -0.02em;
}
p { margin: 0; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { margin: 0; padding: 0; list-style: none; }

/* ---------- layout helpers ---------- */
.container {
  width: min(100% - 48px, var(--container));
  margin-inline: auto;
}

.section { position: relative; padding: clamp(72px, 9vw, 120px) 0; }
.section--soft { background: var(--bg-alt); }
.section--paper { background: var(--bg); }

.section-head { max-width: 680px; margin-bottom: clamp(40px, 5vw, 60px); }
.section-head.center { margin-inline: auto; text-align: center; }

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
  color: var(--accent);
  font-family: var(--en);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}
.kicker::before {
  content: "";
  width: 28px; height: 1px;
  background: var(--line-strong);
}
.center .kicker { justify-content: center; }
.center .kicker::after {
  content: "";
  width: 28px; height: 1px;
  background: var(--line-strong);
}

.section-title {
  font-family: var(--sans);
  font-size: clamp(26px, 3.2vw, 40px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.35;
}
.section-lead {
  margin-top: 20px;
  color: var(--text-soft);
  font-size: clamp(14px, 1.1vw, 16px);
  line-height: 1.9;
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 13px 24px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 14.5px;
  transition: background 0.2s var(--ease), color 0.2s, border-color 0.2s;
}
.btn svg { width: 16px; height: 16px; }
.btn--primary { background: var(--accent); color: #fff; }
.btn--primary:hover { background: var(--accent-strong); }
.btn--ghost { background: transparent; color: var(--ink); border: 1px solid #aab0bb; padding-top: 15px; padding-bottom: 11px; }

/* floating contact button */
.fab-contact {
  position: fixed;
  right: clamp(16px, 3vw, 28px);
  bottom: clamp(16px, 3vw, 28px);
  z-index: 90;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 13px 22px;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  white-space: nowrap;
  box-shadow: 0 10px 28px rgba(23, 25, 30, 0.22);
  transition: transform 0.35s var(--ease), opacity 0.3s var(--ease), background 0.2s var(--ease);
}
.fab-contact svg { width: 18px; height: 18px; }
.fab-contact:hover { background: var(--accent-strong); }
.fab-contact.is-hidden {
  transform: translateY(160%);
  opacity: 0;
  pointer-events: none;
}
.btn--ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn--light { background: transparent; color: #fff; border: 1px solid rgba(255,255,255,0.28); }
.btn--light:hover { background: rgba(255,255,255,0.08); }

/* =========================================================
   Header
   ========================================================= */
.header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  transition: background 0.25s, border-color 0.25s;
  border-bottom: 1px solid transparent;
}
.header.is-scrolled {
  background: rgba(246, 247, 249, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  height: 68px;
}
.brand { display: flex; align-items: center; }
.brand img { height: 30px; width: auto; }
.nav { display: flex; align-items: center; gap: 32px; margin-left: 56px; }
.header .btn { margin-left: auto; }
.nav-link { font-size: 14px; font-weight: 500; color: var(--text-soft); transition: color 0.2s; }
.nav-link:hover { color: var(--ink); }
.header .btn { padding: 9px 18px; font-size: 13.5px; white-space: nowrap; }
.nav-toggle { display: none; }

/* =========================================================
   Hero
   ========================================================= */
.hero {
  position: relative;
  padding: 138px 0 clamp(72px, 10vw, 108px);
  background: var(--bg) url("../images/hero-visual.png") right center / cover no-repeat;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}
/* soft, layered overlay so the image melts into the page (left readable, right muted, edges feathered) */
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    linear-gradient(
      90deg,
      var(--bg) 0%,
      var(--bg) 34%,
      rgba(255, 255, 255, 0.9) 48%,
      rgba(255, 255, 255, 0.4) 66%,
      rgba(255, 255, 255, 0.18) 100%
    ),
    linear-gradient(
      180deg,
      rgba(255, 255, 255, 0.45) 0%,
      rgba(255, 255, 255, 0) 24%,
      rgba(255, 255, 255, 0) 76%,
      rgba(255, 255, 255, 0.4) 100%
    );
}
.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 6px 14px;
  border-radius: var(--radius-xs);
  background: var(--accent-tint);
  color: var(--accent);
  font-family: var(--en);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.hero-badge .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }
.hero-title {
  margin-top: 24px;
  font-family: var(--sans);
  font-size: clamp(32px, 4.4vw, 54px);
  font-weight: 700;
  line-height: 1.32;
  letter-spacing: -0.04em;
}
.hero-title .accent { color: var(--accent); }
.hero-lead {
  margin-top: 22px;
  max-width: 520px;
  color: var(--text-soft);
  font-size: clamp(14px, 1.1vw, 16px);
  line-height: 1.62;
}
.hero-lead p { margin: 0; }
.hero-lead p + p { margin-top: 1.15em; }
.hero-lead strong { color: var(--ink); font-weight: 700; }
.hero-actions { margin-top: 32px; display: flex; gap: 12px; flex-wrap: wrap; }
.hero-trust { margin-top: 38px; display: flex; flex-wrap: wrap; gap: 8px; }
.trust-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 13px;
  border: 1px solid var(--line);
  border-radius: var(--radius-xs);
  background: var(--surface);
  font-size: 12px;
  font-weight: 500;
  color: var(--text-soft);
}
.trust-tag::before { content: ""; width: 5px; height: 5px; background: var(--muted); }

/* hero visual — column holds the floating stat cards over the photo bg */
.hero-visual {
  position: relative;
  aspect-ratio: 1 / 0.86;
}
.hero-visual-card {
  position: absolute;
  padding: 12px 15px;
  border-radius: var(--radius-sm);
  background: var(--surface);
  border: 1px solid var(--line);
  font-size: 12px;
  color: var(--text-soft);
}
.hero-visual-card .en {
  font-family: var(--en);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--muted);
  text-transform: uppercase;
}
.hero-visual-card .val { font-family: var(--en); font-size: 19px; font-weight: 700; color: var(--ink); }
.hero-visual-card.c1 { top: 6%; left: -2%; }
.hero-visual-card.c2 { bottom: 8%; right: -3%; }

@keyframes dash { to { stroke-dashoffset: -44; } }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.4; } }

/* =========================================================
   Problem (flat dark band)
   ========================================================= */
.problem { background: #3EB4CE; color: var(--on-dark); padding: clamp(56px, 7vw, 84px) 0; }
.problem-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(32px, 5vw, 60px);
  align-items: center;
}
.problem h2 { color: #fff; font-family: var(--sans); font-size: clamp(22px, 2.4vw, 32px); line-height: 1.5; letter-spacing: -0.02em; }
.problem h2 em { color: var(--on-dark); font-style: normal; border-bottom: 2px solid rgba(255,255,255,0.35); padding-bottom: 2px; }
.problem-list { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.problem-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 16px 18px;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-sm);
  font-size: 13.5px;
  line-height: 1.7;
}
.problem-item span { color: var(--on-dark-soft); font-family: var(--en); font-weight: 700; font-size: 13px; }

/* =========================================================
   News (dark band)
   ========================================================= */
.section-2 { background: rgb(51, 51, 51); color: #d7dade; padding: clamp(32px, 4vw, 52px) 0 clamp(52px, 7vw, 80px); }
.flex-block-3 { display: flex; align-items: flex-start; gap: clamp(36px, 6vw, 88px); }
.heading-2 {
  flex: 0 0 auto;
  margin: 0;
  font-family: var(--en);
  font-size: clamp(26px, 2.8vw, 38px);
  font-weight: 600;
  letter-spacing: 0.1em;
  color: #fff;
}
.div-block-3 { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 22px; }
.flex-block { display: flex; flex-direction: column; }
.news-block { border-top: 1px solid rgba(255, 255, 255, 0.16); border-bottom: 1px solid rgba(255, 255, 255, 0.16); }
.news-line { display: flex; align-items: center; gap: 20px; padding: 20px 2px; flex-wrap: wrap; }
.news-date { flex: 0 0 auto; font-family: var(--en); font-size: 13px; letter-spacing: 0.04em; color: #a7adb6; }
.news-tag {
  flex: 0 0 auto;
  font-size: 12px;
  font-weight: 600;
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
  padding: 4px 12px;
  border-radius: var(--radius-xs);
}
.news-title { flex: 1; min-width: 220px; font-size: 15px; line-height: 1.7; color: #eceef1; transition: color 0.2s; }
.news-title:hover { color: #fff; text-decoration: underline; text-underline-offset: 3px; }
.news-foot { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.text-block-7 { font-size: 12.5px; color: #9096a0; }
.text-block-8 { font-family: var(--en); font-size: 13px; font-weight: 600; letter-spacing: 0.04em; color: #fff; cursor: pointer; transition: opacity 0.2s; }
.text-block-8:hover { opacity: 0.7; }

/* =========================================================
   Cards grids
   ========================================================= */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }

.card {
  position: relative;
  padding: 32px 28px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  transition: border-color 0.25s var(--ease);
}
.card:hover { border-color: var(--line-strong); }

.card-icon {
  width: 46px; height: 46px;
  display: grid; place-items: center;
  border-radius: var(--radius-sm);
  background: var(--accent-tint);
  color: var(--accent);
  margin-bottom: 20px;
}
.card-icon svg { width: 24px; height: 24px; }
.card-num { font-family: var(--en); font-size: 13px; font-weight: 700; letter-spacing: 0.1em; color: var(--accent); }
.card-title { font-size: 18px; font-weight: 700; margin-bottom: 11px; letter-spacing: -0.02em; }
.card-title.mt { margin-top: 10px; }
.card-text { color: var(--text-soft); font-size: 14px; line-height: 1.85; }
.card-en {
  font-family: var(--en);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 12px;
}
.tag-row { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 18px; }
.tech-tag {
  padding: 5px 11px;
  border-radius: var(--radius-xs);
  background: var(--bg-alt);
  color: var(--text-soft);
  font-size: 12px;
  font-weight: 500;
}

/* =========================================================
   Business — alternating editorial rows
   ========================================================= */
.biz-rows { display: flex; flex-direction: column; gap: 0; }
.biz-row {
  display: grid;
  grid-template-columns: 1.02fr 0.98fr;
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
}
.biz-row--rev .biz-media { order: 2; }

.biz-media {
  position: relative;
  aspect-ratio: 4 / 3;
  background: transparent;
}
.biz-media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  transform: scale(1);
  transition: transform 0.6s var(--ease);
}
.biz-row:hover .biz-media img { transform: scale(1.03); }

.biz-body { position: relative; }
.biz-num {
  display: block;
  font-family: var(--en);
  font-size: clamp(40px, 5vw, 58px);
  font-weight: 300;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--line-strong);
  margin-bottom: 14px;
}
.biz-body .card-en { margin-bottom: 10px; }
.biz-title {
  font-size: clamp(21px, 2.4vw, 26px);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
}
.biz-text { color: var(--text-soft); font-size: 15px; line-height: 1.9; }

/* =========================================================
   Strengths — comparison cards (flat)
   ========================================================= */
.strength-card { display: flex; flex-direction: column; padding: 0; overflow: hidden; }
.strength-head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 22px 26px 18px;
  border-bottom: 1px solid var(--line);
}
.strength-index {
  flex: 0 0 auto;
  font-family: var(--en);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--muted);
}
.strength-theme { font-size: 17px; font-weight: 700; letter-spacing: -0.02em; }
.strength-body { padding: 22px 26px 26px; display: flex; flex-direction: column; gap: 14px; flex: 1; }
.compare {
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  line-height: 1.75;
  min-height: 74px;
}
.compare--vs { background: var(--bg-alt); color: var(--muted); }
.compare--vs .label {
  display: block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--muted);
  margin-bottom: 4px;
}
.compare--us { background: var(--accent); color: #fff; }
.compare--us .label {
  display: block;
  font-family: var(--en);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.7);
  margin-bottom: 5px;
}
.compare--us strong { font-weight: 700; }
.compare-arrow { display: grid; place-items: center; color: var(--muted); margin: -5px 0; }
.compare-arrow svg { width: 18px; height: 18px; }
.evidence {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  align-self: flex-start;
  padding: 8px 14px;
  border-radius: var(--radius-xs);
  background: var(--accent-tint);
  color: var(--accent);
  font-size: 12.5px;
  font-weight: 600;
}
.evidence svg { width: 14px; height: 14px; color: var(--accent); }

/* =========================================================
   Products — neutral, a bidirectional pair
   ========================================================= */
.products { --lens: #1a6b45; --frame: #3f5a7d; }
.products .section-lead { line-height: 1.8; white-space: nowrap; }
.products .section-head .section-lead + .section-lead { margin-top: 2em; }
.products .section-lead strong { color: var(--ink); font-weight: 600; }

/* concept: Human <-> Machine, two complementary directions */
.pconcept {
  max-width: 760px;
  margin: clamp(34px, 4vw, 52px) auto clamp(40px, 5vw, 60px);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: clamp(14px, 2.6vw, 34px);
}
.pconcept-node {
  text-align: center;
  padding: 16px 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
}
.pconcept-en {
  display: block;
  font-family: var(--en);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}
.pconcept-jp {
  display: block;
  margin-top: 7px;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.6;
}
.pconcept-mid {
  display: grid;
  gap: 14px;
  min-width: clamp(140px, 18vw, 210px);
}
.pconcept-flow { display: grid; gap: 4px; text-align: center; }
.pconcept-flow svg { width: 100%; height: 15px; display: block; }
.pconcept-flow--read { color: var(--lens); }
.pconcept-flow--show { color: var(--frame); }
.pflow-label { font-size: 11px; font-weight: 500; color: var(--text-soft); white-space: nowrap; }
.pflow-label b { font-weight: 700; }
.pconcept-flow--read .pflow-label b { color: var(--lens); }
.pconcept-flow--show .pflow-label b { color: var(--frame); }

/* two product cards */
.pgrid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(20px, 2.4vw, 30px);
  align-items: stretch;
}
.pcard {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: box-shadow 0.3s var(--ease), transform 0.3s var(--ease);
}
.pcard:hover { box-shadow: 0 16px 40px rgba(23, 25, 30, 0.08); transform: translateY(-3px); }

.pcard-shot {
  padding: clamp(26px, 3.4vw, 42px) clamp(24px, 3vw, 40px) clamp(4px, 0.8vw, 10px);
  background: radial-gradient(130% 120% at 50% 0%, #eef1f4 0%, #e5e8ee 100%);
  border-bottom: 1px solid var(--line);
}
.pcard-shot .laptop {
  width: 100%;
  height: auto;
  display: block;
  filter: drop-shadow(0 20px 34px rgba(23, 25, 30, 0.16));
}
.pcard-body {
  padding: clamp(22px, 2.4vw, 30px);
  display: flex;
  flex-direction: column;
  flex: 1;
}
.pcard-head { display: flex; align-items: center; gap: 14px; }
.pcard-mark {
  flex: none;
  width: 42px; height: 42px;
  display: grid; place-items: center;
  border-radius: 10px;
  font-family: var(--en);
  font-size: 15px;
  font-weight: 600;
  color: #fff;
}
.pcard-mark--lens { background: var(--lens); }
.pcard-mark--frame { background: var(--frame); }
.pcard-name {
  font-size: clamp(21px, 2.2vw, 25px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink);
  line-height: 1.15;
}
.pcard-kana { margin-top: 4px; font-size: 12px; color: var(--muted); font-weight: 500; }

.pcard-keyword {
  margin-top: 18px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.55;
}

.pcard-cols {
  margin-top: 18px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px 22px;
}
.pcard-col { min-width: 0; }
.pcard-col h4 {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--accent-strong);
  padding-bottom: 7px;
  margin-bottom: 10px;
  border-bottom: 1px solid var(--line);
}
.pcard-col ul { display: grid; gap: 8px; }
.pcard-col li {
  position: relative;
  padding-left: 15px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--text);
}
.pcard-col li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.5em;
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.5;
}

.pnote {
  margin-top: clamp(28px, 3vw, 40px);
  text-align: center;
  font-size: 14px;
  color: var(--text-soft);
  line-height: 1.85;
}
.pnote strong { color: var(--ink); font-weight: 700; }

/* =========================================================
   Members — picker tiles + detail panel
   ========================================================= */
.member-picker {
  display: flex;
  gap: 14px;
  overflow-x: auto;
  padding-bottom: 4px;
  margin-bottom: 18px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}
.member-tile {
  flex: 1 1 0;
  min-width: 0;
  max-width: 160px;
  display: flex;
  flex-direction: column;
  gap: 0;
  align-items: stretch;
  padding: 0;
  text-align: left;
  background: var(--surface);
  border: 0;
  border-radius: var(--radius-sm);
  overflow: hidden;
  cursor: pointer;
  color: inherit;
  font: inherit;
  position: relative;
  transition: opacity 0.2s var(--ease), transform 0.2s var(--ease);
}
.member-tile::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  aspect-ratio: 3 / 4;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0) 0%, rgba(37, 99, 235, 0) 50%, rgba(37, 99, 235, 0.1) 50%, rgba(37, 99, 235, 0.1) 100%);
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  pointer-events: none;
  z-index: 1;
}
.member-tile-photo {
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  border-radius: 0;
  object-fit: cover;
  object-position: top;
  background: var(--bg-alt);
  border: 0;
  filter: grayscale(1) contrast(1.02);
  opacity: 0.55;
  transition: opacity 0.25s var(--ease), filter 0.25s var(--ease);
}
.member-tile-meta {
  padding: 10px 10px 12px;
  opacity: 0.5;
  transition: opacity 0.25s var(--ease);
}
.member-tile:hover .member-tile-photo {
  opacity: 0.8;
  filter: grayscale(0.5);
}
.member-tile:hover .member-tile-meta {
  opacity: 0.85;
}
.member-tile.is-active .member-tile-photo {
  opacity: 1;
  filter: grayscale(0);
}
.member-tile.is-active .member-tile-meta {
  opacity: 1;
}
.member-tile-photo--ph {
  display: grid;
  place-items: center;
  color: var(--muted);
  font-family: var(--en);
  font-size: 22px;
  font-weight: 700;
}
.member-tile-role {
  font-family: var(--en);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0;
}
.member-tile-name {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 2px 0 8px;
  color: var(--ink);
}
.member-tile-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 3px;
}
.member-tile-list li {
  font-size: 11px;
  line-height: 1.45;
  color: var(--text-soft);
}

.member-detail {
  position: relative;
}
.member-detail-panel {
  display: grid;
  grid-template-columns: minmax(160px, 0.5fr) 1.5fr;
  gap: 0;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  overflow: hidden;
  min-height: 440px;
}
.member-detail-photo {
  background: var(--bg-alt);
  min-height: 440px;
  position: relative;
  overflow: hidden;
}
.member-detail-photo img,
.member-detail-photo .member-photo-ph {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
  object-position: center top;
  border: 0;
  border-radius: 0;
}
.member-detail-photo .member-photo-ph {
  display: grid;
  place-items: center;
  color: var(--muted);
  font-family: var(--en);
  font-size: clamp(48px, 8vw, 72px);
  font-weight: 700;
  letter-spacing: 0.04em;
  background: var(--bg-alt);
}
.member-detail-body {
  padding: clamp(26px, 3vw, 40px);
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.member-role {
  font-family: var(--en);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}
.member-name {
  font-family: var(--sans);
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 6px 0 16px;
}
.member-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-bottom: 18px;
}
.member-badge {
  padding: 5px 11px;
  border-radius: var(--radius-xs);
  background: var(--bg-alt);
  color: var(--text-soft);
  font-size: 11.5px;
  font-weight: 600;
}
.member-bio {
  color: var(--text-soft);
  font-size: 14px;
  line-height: 1.9;
}

.member-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 3;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.92);
  color: var(--ink);
  display: grid;
  place-items: center;
  cursor: pointer;
  box-shadow: 0 6px 18px rgba(23, 25, 30, 0.1);
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease), transform 0.2s var(--ease);
}
.member-nav svg { width: 18px; height: 18px; }
.member-nav:hover {
  background: #fff;
  border-color: var(--accent);
}
.member-nav--prev { left: -10px; }
.member-nav--next { right: -10px; }

/* =========================================================
   Process (flat)
   ========================================================= */
.process-timeline { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; counter-reset: step; }
.process-step {
  position: relative;
  padding: 24px 20px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
}
.process-step::before {
  counter-increment: step;
  content: "0" counter(step);
  font-family: var(--en);
  font-size: 24px;
  font-weight: 700;
  color: var(--line-strong);
  display: block;
  margin-bottom: 12px;
}
.process-step h4 { font-size: 14.5px; margin-bottom: 8px; letter-spacing: -0.02em; }
.process-step p { font-size: 12.5px; color: var(--muted); line-height: 1.7; }
.process-step.is-last { background: var(--dark); border-color: var(--dark); }
.process-step.is-last::before { color: var(--on-dark-soft); }
.process-step.is-last h4 { color: #fff; }
.process-step.is-last p { color: var(--on-dark); }

/* =========================================================
   Contact (flat dark)
   ========================================================= */
.contact { background: rgb(51, 51, 51); color: #d7dade; }
.contact .section-title { color: #fff; }
.contact .kicker { color: var(--on-dark-soft); }
.contact .kicker::before, .contact .kicker::after { background: rgba(255,255,255,0.2); }
.contact-layout { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: clamp(32px, 5vw, 56px); align-items: start; }
.contact-layout > * { min-width: 0; }
.contact-topics { margin-top: 26px; display: grid; gap: 11px; }
.contact-topic { display: flex; gap: 12px; align-items: flex-start; font-size: 14px; color: var(--on-dark); line-height: 1.7; }
.contact-topic svg { width: 17px; height: 17px; color: var(--on-dark-soft); flex: 0 0 auto; margin-top: 3px; }
.form-card { background: var(--surface); border-radius: var(--radius-card); padding: clamp(26px, 3vw, 36px); border: 1px solid var(--line); min-width: 0; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; min-width: 0; }
.form-grid > * { min-width: 0; }
.field { display: flex; flex-direction: column; gap: 7px; min-width: 0; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 13px; font-weight: 600; color: var(--text); }
.field label .req { color: #d0454b; font-size: 11px; font-weight: 700; margin-left: 8px; }
.field input, .field select, .field textarea {
  width: 100%;
  min-width: 0;
  max-width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 14px;
  color: var(--text);
  background: #fff;
  transition: border-color 0.2s;
}
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--accent); }
.field textarea { resize: vertical; min-height: 108px; }
.form-privacy { grid-column: 1 / -1; font-size: 12px; color: var(--muted); line-height: 1.7; }
.form-check { grid-column: 1 / -1; display: flex; align-items: center; gap: 9px; font-size: 13px; color: var(--text-soft); }
.form-submit { grid-column: 1 / -1; }
.form-submit .btn { width: 100%; justify-content: center; }

/* =========================================================
   Footer (flat dark)
   ========================================================= */
.footer { background: #15171c; color: var(--on-dark-soft); padding: 60px 0 26px; }
.footer-top { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; padding-bottom: 36px; border-bottom: 1px solid rgba(255,255,255,0.08); }
.footer-brand img { height: 22px; width: auto; margin-bottom: 18px; opacity: 0.92; }
.footer-brand p { font-size: 13px; line-height: 1.8; max-width: 320px; }
.footer-col h5 { color: #fff; font-size: 12px; font-family: var(--en); letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 16px; font-weight: 600; }
.footer-col .info-row { display: flex; gap: 12px; font-size: 13px; line-height: 1.5; padding-bottom: 2px; margin-bottom: 2px; border-bottom: 1px dotted rgba(255, 255, 255, 0.1); min-width: 0; }
.footer-col .info-row:last-child { border-bottom: 0; margin-bottom: 2px; padding-bottom: 2px; }
.footer-col .info-row .k { color: #6b7180; flex: 0 0 68px; }
.footer-col .info-row > span:last-child { min-width: 0; overflow-wrap: anywhere; }
.footer-col a { display: block; font-size: 13px; line-height: 1.5; margin-bottom: 5px; color: var(--on-dark-soft); transition: color 0.2s; }
.footer-col a:hover { color: #fff; }
.footer-bottom { padding-top: 22px; display: flex; justify-content: space-between; align-items: center; font-size: 12px; color: #6b7180; }
.footer-bottom .en { font-family: var(--en); letter-spacing: 0.06em; }

/* =========================================================
   Reveal animation
   ========================================================= */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.6s var(--ease), transform 0.6s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: 0.07s; }
.reveal.d2 { transition-delay: 0.14s; }
.reveal.d3 { transition-delay: 0.21s; }

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 960px) {
  .container { width: min(100% - 64px, var(--container)); }
  /* keep the graph as a faint backdrop; copy stays fully readable */
  .hero { background-size: cover; background-position: center; }
  .hero::before {
    background: linear-gradient(
      180deg,
      rgba(255, 255, 255, 0.9) 0%,
      rgba(255, 255, 255, 0.82) 60%,
      rgba(255, 255, 255, 0.88) 100%
    );
  }
  .hero-inner { grid-template-columns: 1fr; }
  .hero-copy { min-width: 0; }
  .hero-lead { max-width: 100%; }
  .hero-visual { display: none; }
  .problem-grid { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .process-timeline { grid-template-columns: 1fr 1fr; }
  .contact-layout { grid-template-columns: 1fr; }
  .biz-rows { gap: 0; }
  .biz-row {
    position: relative;
    display: block;
    min-height: 220px;
  }
  .biz-row + .biz-row {
    margin-top: clamp(28px, 7vw, 44px);
    padding-top: clamp(28px, 7vw, 44px);
    border-top: 1px solid var(--line);
  }
  .biz-row--rev .biz-media { order: 0; }
  .biz-media {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    max-width: none;
    aspect-ratio: auto;
    opacity: 0.15;
    margin: 0;
    z-index: 0;
    pointer-events: none;
  }
  .biz-media img { object-fit: contain; }
  .biz-body {
    position: relative;
    z-index: 1;
    padding: 6px 0;
  }
  .biz-num { font-size: 40px; margin-bottom: 8px; }
  #business .section-head .section-lead br { display: none; }
  .pgrid { grid-template-columns: 1fr; }
  .pcard { max-width: 640px; margin-inline: auto; width: 100%; }
}
@media (max-width: 720px) {
  .nav { display: none; }
  .nav-toggle {
    display: inline-flex; align-items: center; justify-content: center;
    width: 40px; height: 40px; border: 1px solid var(--line-strong); border-radius: var(--radius-sm); background: #fff;
  }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .problem-list { grid-template-columns: 1fr; }
  .flex-block-3 { flex-direction: column; gap: 20px; }
  .process-timeline { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .member-picker {
    flex-wrap: wrap;
    overflow-x: visible;
    gap: 10px;
  }
  .member-tile {
    flex: 0 0 auto;
    width: calc((100% - 20px) / 3);
    max-width: none;
    min-width: 0;
  }
  .member-detail-panel {
    grid-template-columns: 1fr;
  }
  .member-detail-photo {
    min-height: 220px;
    aspect-ratio: 4 / 3;
  }
  .member-nav--prev { left: 8px; }
  .member-nav--next { right: 8px; }
  .footer-top { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; gap: 8px; }
  .hero-visual-card.c1 { left: 0; }
  .hero-visual-card.c2 { right: 0; }
  .pcard-cols { grid-template-columns: 1fr; }
  .products .section-lead { white-space: normal; }
  .pconcept { grid-template-columns: 1fr; gap: 14px; max-width: 360px; }
  .pconcept-mid { min-width: 0; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; transition: none; }
}