/* ==========================================================================
   VAIZO Corporate Site  — Design Tokens & Styles
   2026-04-24 v2
   ========================================================================== */

/* Tokens */
:root {
  /* Colors */
  --color-bg-primary: #0a0a0a;       /* Dark sections */
  --color-bg-surface: #ffffff;       /* Light sections */
  --color-bg-subtle: #f5f5f5;        /* Extra light / CTA */
  --color-text-on-dark: #ffffff;
  --color-text-on-light: #0a0a0a;
  --color-text-muted: #666666;
  --color-border: #e5e5e5;
  --color-border-dark: rgba(255,255,255,0.12);

  /* Typography */
  --font-sans: "Inter", "Noto Sans JP", system-ui, -apple-system, sans-serif;
  --font-jp: "Noto Sans JP", system-ui, -apple-system, sans-serif;

  /* Spacing */
  --container-max: 1200px;
  --container-x-d: 40px;
  --container-x-m: 20px;

  --section-y-d: 160px;
  --section-y-m: 100px;

  --radius: 8px;
  --radius-sm: 6px;

  /* Motion */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --duration: 200ms;
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; }
html {
  -webkit-text-size-adjust: 100%;
  -moz-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
}
body {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 17px;
  line-height: 1.8;
  color: var(--color-text-on-light);
  background: var(--color-bg-surface);
  font-feature-settings: "palt" 1;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
h1, h2, h3, h4, h5, h6, p, dl, dd, ul, ol { margin: 0; }
ul { padding: 0; list-style: none; }
img, svg { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; transition: color var(--duration) var(--ease), opacity var(--duration) var(--ease); }
button { font-family: inherit; font-size: inherit; cursor: pointer; border: none; background: none; padding: 0; color: inherit; }

/* Container */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-x-d);
  width: 100%;
}
@media (max-width: 768px) {
  .container { padding: 0 var(--container-x-m); }
}

/* Utilities */
.pc-only { display: inline; }
@media (max-width: 768px) { .pc-only { display: none; } }
.arrow { display: inline-block; margin-left: 2px; transition: transform var(--duration) var(--ease); }
.ext-mark { font-size: 0.85em; opacity: 0.7; }

/* ==========================================================================
   Header
   ========================================================================== */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: 72px;
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.logo {
  font-weight: 700;
  font-size: 20px;
  letter-spacing: 0.08em;
  color: var(--color-text-on-light);
}
.nav {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav a {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-on-light);
}
.nav a:hover { opacity: 0.6; }
.nav .btn-primary { color: var(--color-text-on-dark); }
.nav .btn-primary:hover { opacity: 1; }
.nav-external { display: inline-flex; align-items: center; gap: 4px; }
.menu-toggle {
  display: none;
  width: 32px;
  height: 32px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
}
.menu-toggle span {
  width: 22px;
  height: 1.5px;
  background: var(--color-text-on-light);
  transition: transform var(--duration) var(--ease), opacity var(--duration) var(--ease);
}
@media (max-width: 900px) {
  .menu-toggle { display: flex; }
  .nav {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(12px);
    flex-direction: column;
    align-items: flex-start;
    padding: 24px var(--container-x-m) 40px;
    gap: 20px;
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-120%);
    transition: transform 300ms var(--ease);
  }
  .nav.open { transform: translateY(0); }
  .nav a { font-size: 16px; }
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 14px 28px;
  font-size: 15px;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: background var(--duration) var(--ease),
              color var(--duration) var(--ease),
              transform var(--duration) var(--ease),
              border-color var(--duration) var(--ease);
  white-space: nowrap;
}
.btn:hover .arrow { transform: translateX(2px); }
.btn-sm { padding: 9px 18px; font-size: 13px; }

/* Primary on light bg: black fill */
.btn-primary {
  background: var(--color-text-on-light);
  color: var(--color-text-on-dark);
}
.btn-primary:hover { background: #222; }

/* Primary on dark bg: white fill */
.btn-primary-inverse {
  background: var(--color-text-on-dark);
  color: var(--color-text-on-light);
}
.btn-primary-inverse:hover { background: #e8e8e8; }

/* Ghost on light */
.btn-ghost {
  background: transparent;
  color: var(--color-text-on-light);
  border: 1px solid var(--color-text-on-light);
}
.btn-ghost:hover { background: var(--color-text-on-light); color: var(--color-text-on-dark); }

/* Ghost on dark */
.btn-ghost-light {
  background: transparent;
  color: var(--color-text-on-dark);
  border: 1px solid rgba(255,255,255,0.5);
}
.btn-ghost-light:hover { background: rgba(255,255,255,0.08); border-color: #fff; }

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 40px;
}
.btn-group-center { justify-content: center; }

/* ==========================================================================
   Sections (general)
   ========================================================================== */
.section {
  padding: var(--section-y-d) 0;
  position: relative;
}
@media (max-width: 768px) { .section { padding: var(--section-y-m) 0; } }
.section-light { background: var(--color-bg-surface); color: var(--color-text-on-light); }
.section-dark {
  background: var(--color-bg-primary);
  color: var(--color-text-on-dark);
  overflow: hidden;
}
.section-dark canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.6;
  pointer-events: none;
}
.section-dark .container { position: relative; z-index: 1; }
.section-subtle { background: var(--color-bg-subtle); color: var(--color-text-on-light); }

.section-label {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 20px;
}
.section-label-light { color: rgba(255,255,255,0.5); }
.section-title {
  font-size: 40px;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.3;
  margin-bottom: 16px;
  max-width: 820px;
}
.section-title-light { color: var(--color-text-on-dark); }
.section-lead {
  font-size: 17px;
  color: var(--color-text-muted);
  line-height: 1.8;
  max-width: 640px;
  margin-bottom: 64px;
}
@media (max-width: 768px) {
  .section-title { font-size: 28px; }
  .section-lead { margin-bottom: 48px; }
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  position: relative;
  min-height: calc(100vh - 72px);
  display: flex;
  align-items: center;
  background: var(--color-bg-primary);
  color: var(--color-text-on-dark);
  overflow: hidden;
  padding: 100px 0 160px;
}
#hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}
.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 960px;
  padding-top: 40px;
  padding-bottom: 40px;
}
.hero-title {
  font-size: 64px;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.015em;
  margin-bottom: 28px;
}
.hero-sub {
  font-size: 19px;
  line-height: 1.7;
  color: rgba(255,255,255,0.75);
}
@media (max-width: 900px) {
  .hero-title { font-size: 48px; }
}
@media (max-width: 768px) {
  .hero { min-height: auto; padding: 80px 0 120px; }
  .hero-title { font-size: 36px; }
  .hero-sub { font-size: 16px; }
}

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  width: 1px;
  height: 48px;
  overflow: hidden;
}
.scroll-line {
  display: block;
  width: 1px;
  height: 100%;
  background: linear-gradient(to bottom, transparent, rgba(255,255,255,0.6), transparent);
  animation: scrollLine 2s ease-in-out infinite;
}
@keyframes scrollLine {
  0% { transform: translateY(-100%); }
  100% { transform: translateY(100%); }
}
@media (max-width: 768px) { .scroll-indicator { display: none; } }

/* ==========================================================================
   Business — 3 cards
   ========================================================================== */
.business-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
@media (max-width: 900px) {
  .business-grid { grid-template-columns: 1fr; }
}
.biz-card {
  display: block;
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  transition: transform var(--duration) var(--ease), box-shadow var(--duration) var(--ease), border-color var(--duration) var(--ease);
  height: 100%;
}
.biz-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.06);
  border-color: var(--color-text-on-light);
}
.biz-card-inner {
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  height: 100%;
}
.biz-card-title {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 0.01em;
  margin-bottom: 12px;
}
.biz-card-tagline {
  font-size: 17px;
  font-weight: 500;
  color: var(--color-text-on-light);
  margin-bottom: 16px;
  line-height: 1.5;
}
.biz-card-desc {
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: 32px;
  flex-grow: 1;
}
.biz-card-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-on-light);
  border-top: 1px solid var(--color-border);
  padding-top: 20px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap var(--duration) var(--ease);
}
.biz-card:hover .biz-card-link { gap: 8px; }

/* ==========================================================================
   Why VAIZO
   ========================================================================== */
.why-inner { max-width: 960px; margin: 0 auto; text-align: center; }
.why-inner .section-title { margin: 0 auto 80px; }

.cycle-figure {
  margin: 0 auto 120px;
  max-width: 800px;
}
.cycle-svg { width: 100%; height: auto; }
.cycle-node circle {
  fill: rgba(255,255,255,0.04);
  stroke: rgba(255,255,255,0.4);
  stroke-width: 1;
  transition: fill 400ms var(--ease);
}
.cycle-node:hover circle { fill: rgba(255,255,255,0.1); }
.cycle-node text {
  fill: #ffffff;
  font-size: 16px;
  font-weight: 600;
  font-family: var(--font-sans);
}
.cycle-node .cycle-node-sub {
  font-size: 12px;
  font-weight: 400;
  fill: rgba(255,255,255,0.6);
}
.cycle-center {
  fill: rgba(255,255,255,0.6);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.cycle-caption {
  margin-top: 40px;
  font-size: 15px;
  line-height: 2;
  color: rgba(255,255,255,0.7);
}
.cycle-caption-em {
  color: var(--color-text-on-dark);
  font-weight: 500;
}

.why-statement { max-width: 720px; margin: 0 auto; }
.why-statement-headline {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: -0.01em;
  margin-bottom: 24px;
  color: var(--color-text-on-dark);
}
.why-statement-body {
  font-size: 17px;
  line-height: 2;
  color: rgba(255,255,255,0.75);
}
@media (max-width: 768px) {
  .cycle-figure { margin-bottom: 80px; }
  .why-statement-headline { font-size: 22px; }
  .why-statement-body { font-size: 15px; }
}

/* ==========================================================================
   Company at a glance
   ========================================================================== */
.company-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 64px;
}
@media (max-width: 900px) {
  .company-grid { grid-template-columns: repeat(2, 1fr); gap: 32px; }
}
.company-item {
  padding: 24px 0;
  border-top: 1px solid var(--color-border);
}
.company-item dt {
  font-size: 12px;
  font-weight: 500;
  color: var(--color-text-muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.company-item dd {
  font-size: 20px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--color-text-on-light);
}
.company-sub {
  font-size: 14px;
  font-weight: 400;
  color: var(--color-text-muted);
  display: inline-block;
  margin-top: 4px;
}
.role-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--color-text-muted);
  padding: 2px 8px;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  margin-left: 6px;
  vertical-align: 0.1em;
  font-family: var(--font-sans);
}
.company-cta { text-align: left; }
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 500;
  padding-bottom: 4px;
  border-bottom: 1px solid currentColor;
  transition: gap var(--duration) var(--ease);
}
.link-arrow:hover { gap: 12px; }

/* ==========================================================================
   Closing CTA
   ========================================================================== */
.closing-inner {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}
.closing-mission {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.6;
  letter-spacing: -0.005em;
  margin-bottom: 24px;
  color: var(--color-text-on-light);
}
.closing-sub {
  font-size: 17px;
  color: var(--color-text-muted);
  line-height: 1.9;
  margin-bottom: 8px;
}
@media (max-width: 768px) {
  .closing-mission { font-size: 22px; }
  .closing-sub { font-size: 15px; }
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
  background: var(--color-bg-primary);
  color: var(--color-text-on-dark);
  padding: 80px 0 40px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 64px;
}
@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
}
@media (max-width: 600px) {
  .footer-grid { grid-template-columns: 1fr; }
}
.footer-logo {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
}
.footer-mission {
  font-size: 13px;
  line-height: 2;
  color: rgba(255,255,255,0.5);
  max-width: 360px;
}
.footer-heading {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  margin-bottom: 20px;
}
.footer-links li { margin-bottom: 12px; }
.footer-links a {
  font-size: 14px;
  color: rgba(255,255,255,0.85);
}
.footer-links a:hover { color: #fff; }
.footer-security-action {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-bottom: 32px;
  padding-top: 32px;
  border-top: 1px solid var(--color-border-dark);
}
.footer-security-action-logo {
  display: inline-flex;
  flex: 0 0 auto;
  padding: 10px;
  background: #fff;
}
.footer-security-action img {
  display: block;
  width: 96px;
  height: auto;
}
.footer-security-action p {
  margin: 0;
  color: rgba(255,255,255,0.72);
  font-size: 13px;
  line-height: 1.8;
}
.footer-security-action:hover p { color: #fff; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 32px;
  border-top: 1px solid var(--color-border-dark);
  font-size: 12px;
}
.footer-copy { color: rgba(255,255,255,0.4); }
.footer-social {
  display: flex;
  gap: 16px;
}
.footer-social a {
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.6);
  border: 1px solid var(--color-border-dark);
  border-radius: 50%;
  transition: color var(--duration) var(--ease), border-color var(--duration) var(--ease);
}
.footer-social a:hover { color: #fff; border-color: rgba(255,255,255,0.4); }
@media (max-width: 600px) {
  .footer-security-action {
    align-items: flex-start;
    gap: 18px;
  }
  .footer-security-action img { width: 84px; }
  .footer-bottom { flex-direction: column; gap: 16px; text-align: center; }
}

/* ==========================================================================
   Page Hero (lower pages)
   ========================================================================== */
.page-hero {
  position: relative;
  padding: 120px 0 100px;
  overflow: hidden;
}
.page-hero canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.5;
  pointer-events: none;
}
.page-hero-inner {
  position: relative;
  z-index: 1;
  max-width: 820px;
}
.page-hero-title {
  font-size: 48px;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.01em;
  margin-bottom: 20px;
  color: var(--color-text-on-dark);
}
.page-hero-sub {
  font-size: 18px;
  line-height: 1.7;
  color: rgba(255,255,255,0.7);
}
@media (max-width: 768px) {
  .page-hero { padding: 80px 0 60px; }
  .page-hero-title { font-size: 32px; }
  .page-hero-sub { font-size: 15px; }
}

/* Narrow container for long-form content */
.about-narrow { max-width: 720px; margin: 0 auto; }

.about-body {
  font-size: 17px;
  line-height: 2;
  color: var(--color-text-on-light);
  margin-bottom: 28px;
}
.mission-statement {
  font-size: 26px;
  font-weight: 700;
  line-height: 1.7;
  letter-spacing: -0.005em;
  margin: 40px 0 48px;
  color: var(--color-text-on-light);
}
@media (max-width: 768px) {
  .about-body { font-size: 16px; }
  .mission-statement { font-size: 20px; }
}

.about-signature {
  margin-top: 48px;
  font-size: 17px;
  font-weight: 600;
}
.about-signature span {
  font-weight: 400;
  color: var(--color-text-muted);
  font-size: 14px;
}

/* ==========================================================================
   Business detail page
   ========================================================================== */
.biz-detail .section-title { margin-bottom: 8px; }
.biz-detail-tagline {
  font-size: 20px;
  font-weight: 500;
  color: var(--color-text-muted);
  margin-bottom: 48px;
}
.biz-detail-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 48px;
  align-items: start;
}
@media (max-width: 900px) {
  .biz-detail-grid { grid-template-columns: 1fr; gap: 32px; }
}
.biz-detail-body p { font-size: 17px; line-height: 2; margin-bottom: 28px; }
.biz-detail-list {
  margin: 0 0 40px;
  padding-left: 0;
  list-style: none;
}
.biz-detail-list li {
  position: relative;
  padding: 10px 0 10px 24px;
  border-bottom: 1px solid var(--color-border);
  font-size: 15px;
  line-height: 1.7;
}
.biz-detail-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  width: 8px;
  height: 1px;
  background: var(--color-text-on-light);
}
.biz-detail-aside {
  padding: 32px;
  background: var(--color-bg-subtle);
  border-radius: var(--radius);
  position: sticky;
  top: 96px;
}
.section-subtle .biz-detail-aside { background: var(--color-bg-surface); }
.aside-list dt {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 4px;
}
.aside-list dd {
  margin: 0 0 20px;
  font-size: 15px;
  font-weight: 500;
}
.aside-list dd:last-child { margin-bottom: 0; }

/* ==========================================================================
   Values grid
   ========================================================================== */
.values-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 24px;
}
@media (max-width: 1100px) {
  .values-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 700px) {
  .values-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .values-grid { grid-template-columns: 1fr; }
}
.value-item {
  padding: 32px 24px;
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}
.section-light .value-item { background: var(--color-bg-subtle); border-color: transparent; }
.value-num {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-text-muted);
  letter-spacing: 0.12em;
  margin-bottom: 12px;
  font-family: var(--font-sans);
}
.value-item h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}
.value-item p {
  font-size: 13px;
  line-height: 1.8;
  color: var(--color-text-muted);
}

/* ==========================================================================
   Company table / Legal doc
   ========================================================================== */
.company-table { margin: 40px 0; }
.company-row {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 24px;
  padding: 20px 0;
  border-bottom: 1px solid var(--color-border);
}
.company-row dt {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-muted);
  letter-spacing: 0.06em;
}
.company-row dd {
  font-size: 15px;
  line-height: 1.7;
  margin: 0;
}
@media (max-width: 700px) {
  .company-row { grid-template-columns: 1fr; gap: 4px; }
}

.legal-doc h1 { margin-bottom: 48px; }
.legal-doc h2 {
  font-size: 18px;
  font-weight: 700;
  margin: 40px 0 12px;
}
.legal-doc p, .legal-doc ul {
  font-size: 15px;
  line-height: 2;
  color: var(--color-text-on-light);
  margin-bottom: 16px;
}
.legal-doc ul { padding-left: 1.5em; list-style: disc; }
.legal-doc li { margin-bottom: 6px; }
.legal-meta {
  margin-top: 48px;
  font-size: 13px;
  color: var(--color-text-muted);
  text-align: right;
}
.security-action-declaration {
  display: grid;
  grid-template-columns: 176px minmax(0, 1fr);
  gap: 32px;
  align-items: center;
  margin: 40px 0 48px;
  padding: 32px 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.security-action-declaration img {
  display: block;
  width: 176px;
  height: auto;
}
.legal-doc .security-action-declaration p {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
}
@media (max-width: 600px) {
  .security-action-declaration {
    grid-template-columns: 112px minmax(0, 1fr);
    gap: 20px;
    margin: 32px 0 40px;
    padding: 24px 0;
  }
  .security-action-declaration img { width: 112px; }
  .legal-doc .security-action-declaration p { font-size: 14px; }
}

/* ==========================================================================
   News list
   ========================================================================== */
.news-list { display: flex; flex-direction: column; gap: 0; }
.news-item {
  padding: 32px 0;
  border-bottom: 1px solid var(--color-border);
}
.news-item:first-child { padding-top: 0; }
.news-date {
  display: inline-block;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-muted);
  margin-right: 16px;
  font-family: var(--font-sans);
}
.news-label {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--color-text-on-light);
  padding: 2px 8px;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  margin-bottom: 12px;
  vertical-align: middle;
}
.news-title {
  font-size: 20px;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 8px;
}
.news-excerpt {
  font-size: 15px;
  line-height: 1.8;
  color: var(--color-text-muted);
  margin-bottom: 12px;
}

/* ==========================================================================
   Contact grid
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 32px;
}
@media (max-width: 700px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-card {
  display: block;
  padding: 28px 28px 24px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  transition: border-color var(--duration) var(--ease), transform var(--duration) var(--ease), box-shadow var(--duration) var(--ease);
}
.contact-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.06);
  border-color: var(--color-text-on-light);
}
.contact-card h3 { font-size: 17px; font-weight: 700; margin-bottom: 8px; }
.contact-card p { font-size: 14px; color: var(--color-text-muted); line-height: 1.7; margin-bottom: 16px; }

/* ==========================================================================
   Contact Form
   ========================================================================== */
.form-narrow { max-width: 720px; margin: 0 auto; }
.contact-form { margin-top: 48px; }
.form-row { margin-bottom: 28px; }
.form-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 0;
}
.form-grid-2 > .form-row { margin-bottom: 28px; }
@media (max-width: 700px) {
  .form-grid-2 { grid-template-columns: 1fr; gap: 0; }
}
.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-on-light);
  margin-bottom: 10px;
  letter-spacing: 0.02em;
}
.required {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: #c0392b;
  margin-left: 6px;
  vertical-align: 0.1em;
}
.form-control {
  width: 100%;
  padding: 14px 16px;
  font-family: inherit;
  font-size: 15px;
  line-height: 1.6;
  color: var(--color-text-on-light);
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: border-color var(--duration) var(--ease), box-shadow var(--duration) var(--ease);
  -webkit-appearance: none;
  appearance: none;
}
.form-control:focus {
  outline: none;
  border-color: var(--color-text-on-light);
  box-shadow: 0 0 0 3px rgba(10,10,10,0.06);
}
select.form-control {
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8' fill='none' stroke='%23666' stroke-width='1.5'><path d='M1 1l5 5 5-5'/></svg>");
  background-repeat: no-repeat;
  background-position: right 16px center;
  background-size: 12px;
  padding-right: 44px;
}
textarea.form-control { resize: vertical; min-height: 140px; }

.form-consent { padding-top: 8px; }
.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--color-text-on-light);
  cursor: pointer;
  line-height: 1.7;
}
.checkbox-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin-top: 3px;
  accent-color: var(--color-text-on-light);
  flex-shrink: 0;
}
.checkbox-label a {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.form-submit {
  margin-top: 8px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: flex-start;
}
.btn-lg { padding: 16px 36px; font-size: 16px; }
.form-fallback {
  font-size: 13px;
  color: var(--color-text-muted);
  margin: 0;
}
.form-fallback a {
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ==========================================================================
   Footer brand (left column wrapper)
   ========================================================================== */
.footer-brand { /* layout container, sized by parent grid */ }

/* ==========================================================================
   Position list (Careers page)
   ========================================================================== */
.position-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-top: 32px;
}
.position-item {
  padding: 32px;
  background: var(--color-bg-subtle);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
}
.position-item h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
}
.position-item p {
  font-size: 15px;
  line-height: 1.9;
  color: var(--color-text-muted);
  margin-bottom: 20px;
}

/* ==========================================================================
   Founders (About page)
   ========================================================================== */
.founders-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 64px;
  margin-top: 48px;
}
@media (max-width: 900px) {
  .founders-grid { grid-template-columns: 1fr; gap: 72px; }
}
.founder-card { display: flex; flex-direction: column; }
.founder-photo {
  position: relative;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  border-radius: var(--radius);
  margin-bottom: 28px;
  background: var(--color-bg-subtle);
}
.founder-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 60% 30%;
  transition: transform 600ms var(--ease);
}
.founder-card:hover .founder-photo img { transform: scale(1.02); }
.founder-role {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 10px;
}
.founder-name {
  font-size: 26px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: -0.005em;
  margin-bottom: 20px;
}
.founder-name-en {
  display: inline-block;
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 13px;
  color: var(--color-text-muted);
  margin-left: 10px;
  letter-spacing: 0.04em;
  vertical-align: 0.15em;
}
.founder-bio {
  font-size: 15px;
  line-height: 2;
  color: var(--color-text-on-light);
}

/* ==========================================================================
   Accessibility
   ========================================================================== */
:focus-visible {
  outline: 2px solid #4a90e2;
  outline-offset: 4px;
}
.section-dark :focus-visible { outline-color: #ffffff; }