/* ==========================================================================
   Kotoyui, Inc. — Corporate Site
   Visual system: paper / ink / vermillion. Editorial Japanese B2B.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Tokens
   -------------------------------------------------------------------------- */
:root {
  /* Color — paper, ink, vermillion */
  --paper: #f7f5ef;
  --paper-2: #f2efe6;
  --paper-3: #ece8dd;
  --ink: #232c4e;
  --ink-deep: #1a2138;
  --ink-soft: #4a5478;
  --ink-mute: #7a8199;
  --accent: #c8401f;
  --accent-deep: #a93417;
  --accent-wash: #f6e3dc;
  --line: #ddd7c8;
  --line-soft: #e8e3d6;
  --white: #fffdf9;
  --gold: #a98e4f;

  /* Typography */
  --font-sans: "Hiragino Sans", "Hiragino Kaku Gothic ProN",
    "Noto Sans JP", Meiryo, sans-serif;
  --font-serif: "Hiragino Mincho ProN", "Hiragino Mincho Pro", "Yu Mincho",
    YuMincho, "Noto Serif JP", serif;
  --font-latin: "Avenir Next", Avenir, "Helvetica Neue", Helvetica, Arial,
    sans-serif;

  /* Rhythm */
  --container: 72rem;
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --section: clamp(4.5rem, 9vw, 7.5rem);
  --radius: 4px;

  /* Motion */
  --dur: 240ms;
  --ease: cubic-bezier(0.22, 0.61, 0.21, 1);

  /* Elevation */
  --shadow-1: 0 1px 2px rgba(26, 33, 56, 0.05), 0 4px 16px rgba(26, 33, 56, 0.06);
  --shadow-2: 0 2px 4px rgba(26, 33, 56, 0.06), 0 12px 32px rgba(26, 33, 56, 0.1);
}

/* --------------------------------------------------------------------------
   2. Reset & base
   -------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  font-size: 100%;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.85;
  color: var(--ink);
  background-color: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-feature-settings: "palt" 1;
  overflow-x: hidden;
}

img, svg, video { max-width: 100%; height: auto; vertical-align: middle; }

h1, h2, h3, h4, p, ul, ol, dl, dd, figure, blockquote {
  margin: 0;
  padding: 0;
}

ul, ol { list-style: none; }

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 0;
}

input, select, textarea {
  font: inherit;
  color: inherit;
}

::selection { background: var(--accent); color: var(--white); }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

/* --------------------------------------------------------------------------
   3. Utilities
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.container--narrow { max-width: 52rem; }
.container--mid { max-width: 60rem; }

.skip-link {
  position: absolute;
  top: -4rem;
  left: 1rem;
  z-index: 200;
  padding: 0.65rem 1.25rem;
  background: var(--ink-deep);
  color: var(--white);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  border-radius: var(--radius);
  transition: top var(--dur) var(--ease);
}
.skip-link:focus { top: 1rem; }

.section { padding-block: var(--section); }
.section--tint { background: var(--paper-2); }
.section--ink {
  background: var(--ink-deep);
  color: #e9e7dd;
}
.section--ink .sec-label { color: rgba(233, 231, 221, 0.55); }
.section--ink .sec-title { color: var(--white); }

.hairline { border: 0; border-top: 1px solid var(--line); }

.lead {
  font-size: clamp(1.05rem, 1.6vw, 1.2rem);
  line-height: 2;
  color: var(--ink-soft);
  max-width: 40rem;
}
.section--ink .lead { color: rgba(233, 231, 221, 0.75); }

/* Numbered section label: "01 — 製品" */
.sec-head {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
  border-top: 1px solid var(--line);
  padding-top: 1.1rem;
}
.sec-num {
  font-family: var(--font-latin);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}
.sec-label {
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  color: var(--ink-mute);
  text-transform: uppercase;
  font-family: var(--font-latin);
  font-weight: 600;
}
.sec-title {
  font-size: clamp(1.6rem, 3.4vw, 2.35rem);
  font-weight: 600;
  line-height: 1.45;
  letter-spacing: 0.01em;
  margin-top: 0.35rem;
  flex-basis: 100%;
}
.sec-head { flex-wrap: wrap; }
.sec-head .sec-note {
  margin-left: auto;
  font-size: 0.82rem;
  color: var(--ink-mute);
  align-self: flex-end;
}
.sec-head .sec-note--link {
  color: var(--accent);
  font-weight: 600;
}
.sec-head .sec-note--link:hover { color: var(--accent-deep); }

/* Reveal on scroll */
.js .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 560ms var(--ease), transform 560ms var(--ease);
  transition-delay: var(--reveal-delay, 0ms);
}
.js .reveal.is-inview { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}

/* --------------------------------------------------------------------------
   4. Header
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(247, 245, 239, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line-soft);
  transition: box-shadow var(--dur) var(--ease);
}
.site-header.is-compact { box-shadow: 0 1px 0 var(--line), 0 8px 24px rgba(26, 33, 56, 0.05); }

.header-inner {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  height: 4.75rem;
  max-width: 84rem;
  margin-inline: auto;
  padding-inline: var(--gutter);
  transition: height var(--dur) var(--ease);
}
.site-header.is-compact .header-inner { height: 3.75rem; }

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  flex-shrink: 0;
}
.wordmark-mark { width: 2rem; height: 2rem; display: block; }
.wordmark-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.wordmark-ja {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.14em;
}
.wordmark-en {
  font-family: var(--font-latin);
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-top: 0.2rem;
}

.site-nav { margin-left: auto; }
.nav-list {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2.4vw, 1.9rem);
}
.nav-link {
  position: relative;
  font-size: 0.88rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
  padding-block: 0.4rem;
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur) var(--ease);
}
.nav-link:hover { color: var(--ink); }
.nav-link:hover::after { transform: scaleX(1); }
.nav-link[aria-current="page"] { color: var(--ink); }
.nav-link[aria-current="page"]::after { transform: scaleX(1); }

.header-actions {
  display: flex;
  align-items: center;
  gap: 1.1rem;
  flex-shrink: 0;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-latin);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  border: 1px solid var(--line);
  border-radius: 999px;
  overflow: hidden;
}
.lang-switch a {
  padding: 0.32rem 0.7rem;
  color: var(--ink-mute);
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.lang-switch a:hover { color: var(--ink); }
.lang-switch a[aria-current="true"] {
  background: var(--ink-deep);
  color: var(--white);
}

.nav-toggle {
  display: none;
  width: 2.75rem;
  height: 2.75rem;
  position: relative;
  z-index: 120;
  margin-left: auto;
}
.nav-toggle span {
  position: absolute;
  left: 0.7rem;
  right: 0.7rem;
  height: 1.5px;
  background: var(--ink);
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease), top var(--dur) var(--ease);
}
.nav-toggle span:nth-child(1) { top: 1.05rem; }
.nav-toggle span:nth-child(2) { top: 1.4rem; }
.nav-toggle span:nth-child(3) { top: 1.75rem; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { top: 1.4rem; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { top: 1.4rem; transform: rotate(-45deg); }

/* --------------------------------------------------------------------------
   5. Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.85rem 1.9rem;
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  border-radius: var(--radius);
  border: 1px solid transparent;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease),
    border-color var(--dur) var(--ease), transform var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease);
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }

.btn--primary {
  background: var(--accent);
  color: var(--white);
}
.btn--primary:hover { background: var(--accent-deep); box-shadow: var(--shadow-1); }

.btn--outline {
  border-color: var(--ink);
  color: var(--ink);
  background: transparent;
}
.btn--outline:hover { background: var(--ink-deep); border-color: var(--ink-deep); color: var(--white); }

.btn--ghost-light {
  border-color: rgba(233, 231, 221, 0.4);
  color: var(--white);
}
.btn--ghost-light:hover { background: rgba(233, 231, 221, 0.12); border-color: rgba(233, 231, 221, 0.7); }

.btn--sm { padding: 0.55rem 1.15rem; font-size: 0.82rem; }

.btn .btn-arrow {
  width: 0.9em;
  height: 0.9em;
  transition: transform var(--dur) var(--ease);
}
.btn:hover .btn-arrow { transform: translateX(3px); }

/* --------------------------------------------------------------------------
   6. Hero
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  padding-block: clamp(4.5rem, 9vw, 7rem) clamp(4rem, 8vw, 6.5rem);
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(48rem 30rem at 88% -8%, rgba(200, 64, 31, 0.055), transparent 62%),
    radial-gradient(40rem 26rem at -10% 108%, rgba(35, 44, 78, 0.06), transparent 60%);
  pointer-events: none;
}
.hero .container { position: relative; }

.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  margin-bottom: 1.75rem;
}
.hero-eyebrow .rule { width: 2.6rem; height: 2px; background: var(--accent); }
.hero-eyebrow .text {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--ink-soft);
  font-family: var(--font-latin);
  text-transform: uppercase;
}

.hero-title {
  font-size: clamp(2.5rem, 6.4vw, 4.4rem);
  font-weight: 700;
  line-height: 1.32;
  letter-spacing: 0.015em;
  max-width: 14em;
}
.hero-title .accent-dot { color: var(--accent); }

.hero-lead {
  margin-top: 1.9rem;
  max-width: 36rem;
  font-size: clamp(1rem, 1.5vw, 1.13rem);
  line-height: 2.05;
  color: var(--ink-soft);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 2.6rem;
}

.hero-figure {
  margin-top: clamp(3rem, 6vw, 4.5rem);
}

/* Page hero (interior pages) */
.page-hero {
  padding-block: clamp(3.5rem, 7vw, 5.5rem) clamp(2.75rem, 5vw, 4rem);
  border-bottom: 1px solid var(--line-soft);
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(42rem 22rem at 92% -20%, rgba(200, 64, 31, 0.05), transparent 60%);
  pointer-events: none;
}
.page-hero .container { position: relative; }
.page-hero-title {
  font-size: clamp(2rem, 4.6vw, 3.1rem);
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0.015em;
  margin-top: 1.2rem;
  max-width: 18em;
}
.page-hero-lead {
  margin-top: 1.4rem;
  max-width: 40rem;
  color: var(--ink-soft);
  line-height: 2;
}
.page-hero .breadcrumb {
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--ink-mute);
}
.page-hero .breadcrumb a { color: var(--ink-mute); }
.page-hero .breadcrumb a:hover { color: var(--accent); }
.page-hero .breadcrumb .sep { margin-inline: 0.5rem; color: var(--line); }

/* --------------------------------------------------------------------------
   7. Cards, tiles, grids
   -------------------------------------------------------------------------- */
.grid { display: grid; gap: 1.25rem; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--white);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  padding: clamp(1.5rem, 2.6vw, 2rem);
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  position: relative;
  transition: box-shadow var(--dur) var(--ease), transform var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}
a.card:hover, .card--hover:hover {
  box-shadow: var(--shadow-2);
  transform: translateY(-3px);
  border-color: var(--line);
}

.card-eyebrow {
  font-family: var(--font-latin);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
}
.card-title {
  font-size: 1.18rem;
  font-weight: 600;
  line-height: 1.55;
  letter-spacing: 0.01em;
}
.card-title-en {
  font-family: var(--font-latin);
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.card-body { font-size: 0.9rem; line-height: 1.9; color: var(--ink-soft); }
.card-icon { width: 2.4rem; height: 2.4rem; color: var(--ink); }
.card-link {
  margin-top: auto;
  padding-top: 0.4rem;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}
.card-link svg { width: 0.85em; height: 0.85em; transition: transform var(--dur) var(--ease); }
a.card:hover .card-link svg { transform: translateX(3px); }

/* Product tile mark */
.tile-mark {
  width: 2.6rem;
  height: 2.6rem;
  border-radius: var(--radius);
  display: grid;
  place-items: center;
  background: var(--paper-2);
  border: 1px solid var(--line-soft);
}
.tile-mark svg { width: 1.35rem; height: 1.35rem; color: var(--ink); }

/* --------------------------------------------------------------------------
   8. Stats
   -------------------------------------------------------------------------- */
.stats-band { border-block: 1px solid var(--line); }
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.stat {
  padding: clamp(1.9rem, 4vw, 2.9rem) clamp(1rem, 2.4vw, 2rem);
  border-left: 1px solid var(--line);
}
.stat:first-child { border-left: 0; }
.stat-value {
  font-family: var(--font-latin);
  font-size: clamp(2rem, 4vw, 2.9rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.01em;
  font-variant-numeric: tabular-nums;
}
.stat-value .unit {
  font-size: 0.42em;
  font-weight: 600;
  margin-left: 0.25rem;
  letter-spacing: 0.02em;
  color: var(--ink-soft);
}
.stat-label {
  margin-top: 0.6rem;
  font-size: 0.82rem;
  color: var(--ink-mute);
  letter-spacing: 0.05em;
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   9. Steps (how it works)
   -------------------------------------------------------------------------- */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  counter-reset: step;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--white);
}
.step {
  padding: clamp(1.75rem, 3.4vw, 2.5rem);
  border-left: 1px solid var(--line);
  position: relative;
}
.step:first-child { border-left: 0; }
.step-num {
  font-family: var(--font-latin);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.step-num::after { content: ""; flex: 1; height: 1px; background: var(--line); }
.step-title { font-size: 1.1rem; font-weight: 600; margin-top: 1.1rem; letter-spacing: 0.01em; }
.step-body { font-size: 0.88rem; line-height: 1.9; color: var(--ink-soft); margin-top: 0.6rem; }

/* --------------------------------------------------------------------------
   10. Logo strip (client wordmarks)
   -------------------------------------------------------------------------- */
.logo-strip { border-block: 1px solid var(--line); padding-block: 2.2rem; }
.logo-strip-label {
  text-align: center;
  font-size: 0.74rem;
  letter-spacing: 0.2em;
  color: var(--ink-mute);
  text-transform: uppercase;
  font-family: var(--font-latin);
  font-weight: 600;
  margin-bottom: 1.6rem;
}
.logo-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: clamp(1.5rem, 4.5vw, 3.4rem);
}
.client-mark {
  font-weight: 700;
  color: var(--ink-mute);
  opacity: 0.85;
  letter-spacing: 0.08em;
  white-space: nowrap;
  transition: opacity var(--dur) var(--ease), color var(--dur) var(--ease);
}
.client-mark:hover { opacity: 1; color: var(--ink-soft); }
.client-mark--serif { font-family: var(--font-serif); font-size: 1.02rem; }
.client-mark--latin { font-family: var(--font-latin); font-size: 0.94rem; letter-spacing: 0.18em; text-transform: uppercase; }
.client-mark--mincho { font-family: var(--font-serif); font-size: 0.98rem; letter-spacing: 0.2em; }

/* --------------------------------------------------------------------------
   11. Case study / article cards
   -------------------------------------------------------------------------- */
.case-card {
  display: grid;
  grid-template-columns: 5.5rem 1fr auto;
  align-items: center;
  gap: clamp(1.25rem, 3vw, 2.25rem);
  padding: clamp(1.5rem, 3vw, 2.2rem) clamp(1.25rem, 3vw, 2.25rem);
  border-top: 1px solid var(--line);
  transition: background var(--dur) var(--ease);
}
.case-card:last-child { border-bottom: 1px solid var(--line); }
.case-card:hover { background: var(--white); }
.case-metric {
  font-family: var(--font-latin);
  font-size: clamp(1.5rem, 2.6vw, 2.1rem);
  font-weight: 700;
  line-height: 1.1;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}
.case-metric small {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--ink-mute);
  margin-top: 0.4rem;
}
.case-client { font-size: 0.78rem; color: var(--ink-mute); letter-spacing: 0.06em; margin-bottom: 0.45rem; }
.case-title { font-size: 1.06rem; font-weight: 600; line-height: 1.6; }
.case-arrow { color: var(--ink-mute); width: 1.15rem; height: 1.15rem; transition: color var(--dur) var(--ease), transform var(--dur) var(--ease); }
.case-card:hover .case-arrow { color: var(--accent); transform: translateX(4px); }

/* solution page extras */
.solution-note {
  margin: 1.5rem 0 0;
  font-size: 0.8rem;
  letter-spacing: 0.03em;
  color: var(--ink-mute);
  padding-top: 1.1rem;
  border-top: 1px dashed var(--line);
}

.quote-block {
  position: relative;
  padding: clamp(2rem, 4vw, 3rem);
  background: var(--white);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
}
.quote-block::before {
  content: "";
  position: absolute;
  top: 0;
  left: clamp(2rem, 4vw, 3rem);
  width: 3rem;
  height: 2px;
  background: var(--accent);
}
.quote-text {
  font-size: clamp(1.02rem, 1.7vw, 1.2rem);
  line-height: 2.05;
  font-weight: 500;
}
.quote-cite {
  margin-top: 1.4rem;
  font-size: 0.82rem;
  color: var(--ink-mute);
  letter-spacing: 0.04em;
}
.quote-cite strong { color: var(--ink-soft); font-weight: 600; }

/* --------------------------------------------------------------------------
   12. Tables
   -------------------------------------------------------------------------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); }
.table-caption {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
  min-width: 40rem;
}
.spec-table th, .spec-table td {
  padding: 0.95rem 1.15rem;
  text-align: left;
  border-bottom: 1px solid var(--line-soft);
  vertical-align: middle;
  line-height: 1.6;
}
.spec-table thead th {
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--ink-mute);
  font-weight: 600;
  background: var(--paper-2);
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}
.spec-table tbody th { font-weight: 600; white-space: nowrap; }
.spec-table tbody tr:last-child th, .spec-table tbody tr:last-child td { border-bottom: 0; }
.spec-table td { color: var(--ink-soft); }
.spec-table .mark-yes { color: var(--accent); font-weight: 700; }
.spec-table .mark-dash { color: var(--line); }

/* --------------------------------------------------------------------------
   13. Timeline
   -------------------------------------------------------------------------- */
.timeline { position: relative; padding-left: 2rem; }
.timeline::before {
  content: "";
  position: absolute;
  left: 0.35rem;
  top: 0.5rem;
  bottom: 0.5rem;
  width: 1px;
  background: var(--line);
}
.timeline-item { position: relative; padding-bottom: 2.1rem; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before {
  content: "";
  position: absolute;
  left: -1.81rem;
  top: 0.55rem;
  width: 0.44rem;
  height: 0.44rem;
  border-radius: 50%;
  background: var(--paper);
  border: 1.5px solid var(--accent);
}
.timeline-date {
  font-family: var(--font-latin);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}
.timeline-title { font-weight: 600; margin-top: 0.3rem; font-size: 1rem; letter-spacing: 0.01em; }
.timeline-body { font-size: 0.87rem; color: var(--ink-soft); margin-top: 0.3rem; line-height: 1.85; }

/* Horizontal phase timeline (implementation) */
.phases {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  overflow: hidden;
}
.phase {
  padding: clamp(1.5rem, 3vw, 2.1rem);
  border-left: 1px solid var(--line);
}
.phase:first-child { border-left: 0; }
.phase-week {
  font-family: var(--font-latin);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}
.phase-title { font-weight: 600; margin-top: 0.5rem; font-size: 0.98rem; }
.phase-body { font-size: 0.82rem; color: var(--ink-soft); margin-top: 0.45rem; line-height: 1.8; }

/* --------------------------------------------------------------------------
   14. News list
   -------------------------------------------------------------------------- */
.news-list { border-top: 1px solid var(--line); }
.news-item {
  display: grid;
  grid-template-columns: 7.5rem auto 1fr auto;
  align-items: baseline;
  gap: clamp(1rem, 2.5vw, 1.75rem);
  padding: 1.35rem 0.25rem;
  border-bottom: 1px solid var(--line);
  transition: background var(--dur) var(--ease);
}
a.news-item:hover { background: var(--white); }
.news-date {
  font-family: var(--font-latin);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--ink-mute);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.news-cat {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  padding: 0.28rem 0.65rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink-soft);
  white-space: nowrap;
}
.news-cat--release { border-color: rgba(200, 64, 31, 0.45); color: var(--accent); }
.news-title-text { font-size: 0.95rem; font-weight: 500; line-height: 1.7; transition: color var(--dur) var(--ease); }
a.news-item:hover .news-title-text { color: var(--accent-deep); }
.news-arrow { width: 0.95rem; height: 0.95rem; color: var(--line); transition: color var(--dur) var(--ease), transform var(--dur) var(--ease); justify-self: end; }
a.news-item:hover .news-arrow { color: var(--accent); transform: translateX(3px); }

/* Article body */
.article-header { padding-block: clamp(3rem, 6vw, 4.5rem) 2.5rem; }
.article-meta { display: flex; align-items: center; gap: 1.1rem; }
.article-title {
  font-size: clamp(1.6rem, 3.6vw, 2.4rem);
  font-weight: 700;
  line-height: 1.55;
  margin-top: 1.2rem;
  letter-spacing: 0.01em;
}
.prose { font-size: 0.98rem; line-height: 2.1; color: var(--ink-soft); }
.prose > p { margin-bottom: 1.6rem; }
.prose h2 {
  font-size: 1.3rem;
  color: var(--ink);
  font-weight: 600;
  margin: 2.75rem 0 1rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--line);
  letter-spacing: 0.01em;
}
.prose h2:first-of-type { border-top: 0; padding-top: 0; margin-top: 2.25rem; }
.prose strong { color: var(--ink); font-weight: 600; }
.prose ul { margin: 0 0 1.6rem; padding-left: 0; }
.prose ul li {
  position: relative;
  padding-left: 1.4rem;
  margin-bottom: 0.55rem;
  line-height: 1.9;
}
.prose ul li::before {
  content: "";
  position: absolute;
  left: 0.25rem;
  top: 0.82em;
  width: 0.45rem;
  height: 1.5px;
  background: var(--accent);
}
.prose blockquote {
  margin: 2rem 0;
  padding: 1.4rem 1.75rem;
  background: var(--white);
  border: 1px solid var(--line-soft);
  border-left: 2px solid var(--accent);
  border-radius: var(--radius);
  font-size: 0.94rem;
  color: var(--ink-soft);
}
.article-nav {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  border-top: 1px solid var(--line);
  padding-top: 1.75rem;
  margin-top: 3.5rem;
  font-size: 0.88rem;
  font-weight: 600;
}
.article-nav a { color: var(--ink-soft); display: inline-flex; align-items: center; gap: 0.5rem; }
.article-nav a:hover { color: var(--accent); }

/* --------------------------------------------------------------------------
   15. Footer
   -------------------------------------------------------------------------- */
.site-footer {
  background: var(--ink-deep);
  color: rgba(233, 231, 221, 0.72);
  margin-top: auto;
}
.footer-main {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  padding-block: clamp(3rem, 6vw, 4.5rem) 2.5rem;
  max-width: 84rem;
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.footer-brand .wordmark-ja { color: var(--white); }
.footer-brand .wordmark-en { color: rgba(233, 231, 221, 0.5); }
.footer-brand .wordmark-mark { color: var(--white); }
.footer-tagline {
  margin-top: 1.1rem;
  font-size: 0.92rem;
  letter-spacing: 0.06em;
  color: rgba(233, 231, 221, 0.85);
}
.footer-address {
  margin-top: 1.25rem;
  font-size: 0.78rem;
  line-height: 2;
  color: rgba(233, 231, 221, 0.55);
}
.footer-heading {
  font-family: var(--font-latin);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(233, 231, 221, 0.45);
  margin-bottom: 1.1rem;
}
.footer-links li { margin-bottom: 0.55rem; }
.footer-links a {
  font-size: 0.85rem;
  color: rgba(233, 231, 221, 0.72);
  transition: color var(--dur) var(--ease);
}
.footer-links a:hover { color: var(--white); }
.footer-bottom {
  border-top: 1px solid rgba(233, 231, 221, 0.14);
  padding-block: 1.5rem;
}
.footer-bottom-inner {
  max-width: 84rem;
  margin-inline: auto;
  padding-inline: var(--gutter);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 2rem;
  font-size: 0.74rem;
  color: rgba(233, 231, 221, 0.45);
  letter-spacing: 0.04em;
}
.footer-legal-links { display: flex; gap: 1.4rem; margin-left: auto; }
.footer-legal-links a:hover { color: var(--white); }

/* --------------------------------------------------------------------------
   16. CTA band
   -------------------------------------------------------------------------- */
.cta-band { position: relative; overflow: hidden; }
.cta-band-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}
.cta-band-title {
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.5;
  letter-spacing: 0.02em;
}
.cta-band-lead { margin-top: 0.7rem; color: rgba(233, 231, 221, 0.65); font-size: 0.94rem; max-width: 34rem; line-height: 1.9; }
.cta-band-actions { display: flex; flex-wrap: wrap; gap: 0.9rem; }

/* --------------------------------------------------------------------------
   17. Forms
   -------------------------------------------------------------------------- */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.4rem 1.6rem;
}
.field { display: flex; flex-direction: column; gap: 0.45rem; }
.field--full { grid-column: 1 / -1; }
.field-label {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  display: flex;
  align-items: center;
  gap: 0.55rem;
}
.field-req {
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--accent);
  border: 1px solid rgba(200, 64, 31, 0.4);
  border-radius: 2px;
  padding: 0.1rem 0.4rem;
}
.field-opt {
  font-size: 0.64rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--ink-mute);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 0.1rem 0.4rem;
}
.field-input, .field-select, .field-textarea {
  width: 100%;
  padding: 0.8rem 1rem;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: 0.92rem;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.field-input:focus, .field-select:focus, .field-textarea:focus {
  outline: none;
  border-color: var(--ink);
  box-shadow: 0 0 0 3px rgba(35, 44, 78, 0.08);
}
.field-input[aria-invalid="true"], .field-select[aria-invalid="true"], .field-textarea[aria-invalid="true"] {
  border-color: var(--accent);
}
.field-error {
  font-size: 0.76rem;
  color: var(--accent-deep);
  display: none;
}
.field-error.is-visible { display: block; }
.field-textarea { min-height: 10rem; resize: vertical; line-height: 1.8; }
.form-note { font-size: 0.76rem; color: var(--ink-mute); line-height: 1.8; }
.form-note--after-table { margin-top: 1rem; }
.form-note a { color: var(--ink-soft); text-decoration: underline; text-underline-offset: 3px; }
.form-note a:hover { color: var(--accent); }
.form-actions { display: flex; align-items: center; gap: 1.25rem; flex-wrap: wrap; }

.form-status {
  display: none;
  padding: 1.1rem 1.4rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
  line-height: 1.8;
  margin-bottom: 1.5rem;
}
.form-status--success {
  display: block;
  background: #eef3e8;
  border: 1px solid #cfdcc2;
  color: #3f5a2e;
}
.form-status--error {
  display: block;
  background: var(--accent-wash);
  border: 1px solid rgba(200, 64, 31, 0.35);
  color: var(--accent-deep);
}
.btn[disabled] { opacity: 0.55; cursor: wait; }

/* Contact aside */
.contact-aside {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  padding: clamp(1.5rem, 3vw, 2.1rem);
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
}
.contact-aside-title { font-size: 0.95rem; font-weight: 600; letter-spacing: 0.02em; }
.contact-phone {
  font-family: var(--font-latin);
  font-size: 1.55rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  font-variant-numeric: tabular-nums;
}
.contact-aside dl { display: grid; gap: 0.9rem; }
.contact-aside dt {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-mute);
  font-family: var(--font-latin);
}
.contact-aside dd { font-size: 0.9rem; color: var(--ink-soft); margin-top: 0.2rem; line-height: 1.8; }

/* --------------------------------------------------------------------------
   18. Map placeholder
   -------------------------------------------------------------------------- */
.map-frame {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--white);
}
.map-frame svg { display: block; width: 100%; height: auto; }
.map-caption {
  padding: 0.9rem 1.25rem;
  border-top: 1px solid var(--line-soft);
  font-size: 0.78rem;
  color: var(--ink-mute);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

/* --------------------------------------------------------------------------
   19. Definition lists / fact tables (company overview, legal)
   -------------------------------------------------------------------------- */
.fact-table { border-top: 1px solid var(--line); }
.fact-row {
  display: grid;
  grid-template-columns: minmax(9rem, 14rem) 1fr;
  gap: 1.5rem;
  padding: 1.15rem 0.25rem;
  border-bottom: 1px solid var(--line);
  font-size: 0.92rem;
}
.fact-row dt { font-weight: 600; color: var(--ink); letter-spacing: 0.02em; }
.fact-row dd { color: var(--ink-soft); line-height: 1.9; }

/* --------------------------------------------------------------------------
   20. Legal / prose documents
   -------------------------------------------------------------------------- */
.doc-section { margin-bottom: 3rem; }
.doc-section h2 {
  font-size: 1.18rem;
  font-weight: 700;
  margin-bottom: 1rem;
  padding-bottom: 0.7rem;
  border-bottom: 1px solid var(--line);
  letter-spacing: 0.02em;
}
.doc-section p { font-size: 0.92rem; line-height: 2.05; color: var(--ink-soft); margin-bottom: 1rem; }
.doc-section ol { counter-reset: item; padding-left: 0; }
.doc-section ol > li {
  counter-increment: item;
  position: relative;
  padding-left: 2rem;
  font-size: 0.92rem;
  line-height: 2;
  color: var(--ink-soft);
  margin-bottom: 0.7rem;
}
.doc-section ol > li::before {
  content: counter(item) ".";
  position: absolute;
  left: 0.2rem;
  font-family: var(--font-latin);
  font-weight: 700;
  color: var(--accent);
  font-size: 0.85rem;
}
.doc-section ul { padding-left: 0; }
.doc-section ul li {
  position: relative;
  padding-left: 1.4rem;
  font-size: 0.92rem;
  line-height: 2;
  color: var(--ink-soft);
  margin-bottom: 0.5rem;
}
.doc-section ul li::before {
  content: "";
  position: absolute;
  left: 0.25rem;
  top: 0.95em;
  width: 0.4rem;
  height: 1.5px;
  background: var(--ink-mute);
}
.doc-updated { font-size: 0.8rem; color: var(--ink-mute); letter-spacing: 0.04em; }

/* --------------------------------------------------------------------------
   21. Industry strip
   -------------------------------------------------------------------------- */
.industry-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--white);
}
.industry-cell {
  padding: clamp(1.4rem, 2.6vw, 1.9rem);
  border-left: 1px solid var(--line);
  text-align: left;
  transition: background var(--dur) var(--ease);
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.industry-cell:first-child { border-left: 0; }
a.industry-cell:hover { background: var(--paper-2); }
.industry-ja { font-weight: 600; font-size: 1rem; letter-spacing: 0.03em; }
.industry-en {
  font-family: var(--font-latin);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.industry-note { font-size: 0.8rem; color: var(--ink-soft); line-height: 1.75; margin-top: 0.3rem; }

/* --------------------------------------------------------------------------
   22. Solution blocks (alternating pain → approach → result)
   -------------------------------------------------------------------------- */
.solution-block {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  padding-block: clamp(2.75rem, 5vw, 4rem);
  border-top: 1px solid var(--line);
  align-items: start;
}
.solution-block:first-of-type { border-top: 0; padding-top: 0; }
.solution-block--flush { border-top: 0; padding-top: 0; }
.solution-kicker {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin-bottom: 1.1rem;
}
.solution-num {
  font-family: var(--font-latin);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--accent);
}
.solution-industry-en {
  font-family: var(--font-latin);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.solution-title { font-size: clamp(1.35rem, 2.6vw, 1.75rem); font-weight: 700; line-height: 1.5; letter-spacing: 0.01em; }
.solution-metric {
  margin-top: 1.6rem;
  padding: 1.25rem 1.5rem;
  background: var(--white);
  border: 1px solid var(--line-soft);
  border-left: 2px solid var(--accent);
  border-radius: var(--radius);
}
.solution-metric-value {
  font-family: var(--font-latin);
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.15;
  font-variant-numeric: tabular-nums;
}
.solution-metric-label { font-size: 0.78rem; color: var(--ink-mute); margin-top: 0.3rem; letter-spacing: 0.04em; }
.solution-cols { display: grid; gap: 1.5rem; }
.solution-col-label {
  font-family: var(--font-latin);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: 0.4rem;
}
.solution-col-body { font-size: 0.92rem; line-height: 1.95; color: var(--ink-soft); }

/* --------------------------------------------------------------------------
   23. Careers
   -------------------------------------------------------------------------- */
.job-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  padding: clamp(1.6rem, 3vw, 2.2rem);
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}
.job-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.job-tag {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  padding: 0.28rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink-soft);
}
.job-title { font-size: 1.15rem; font-weight: 700; letter-spacing: 0.01em; }
.job-title-en {
  font-family: var(--font-latin);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.job-body { font-size: 0.88rem; line-height: 1.9; color: var(--ink-soft); }
.job-list { margin-top: 0.25rem; }
.job-list--spaced { margin-top: 1.2rem; }
.job-list li {
  position: relative;
  padding-left: 1.3rem;
  font-size: 0.85rem;
  line-height: 1.9;
  color: var(--ink-soft);
}
.job-list li::before {
  content: "";
  position: absolute;
  left: 0.2rem;
  top: 0.85em;
  width: 0.4rem;
  height: 1.5px;
  background: var(--accent);
}

/* --------------------------------------------------------------------------
   24. Security list
   -------------------------------------------------------------------------- */
.trust-list { display: grid; gap: 0; border-top: 1px solid var(--line); }
.trust-item {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 1.4rem;
  padding: 1.75rem 0.25rem;
  border-bottom: 1px solid var(--line);
}
.trust-icon {
  width: 2.5rem;
  height: 2.5rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  display: grid;
  place-items: center;
  background: var(--white);
}
.trust-icon svg { width: 1.25rem; height: 1.25rem; color: var(--ink); }
.trust-title { font-weight: 600; font-size: 1rem; letter-spacing: 0.01em; }
.trust-body { font-size: 0.88rem; color: var(--ink-soft); line-height: 1.9; margin-top: 0.35rem; max-width: 46rem; }

/* --------------------------------------------------------------------------
   25. 404
   -------------------------------------------------------------------------- */
.notfound {
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  text-align: center;
  padding-block: var(--section);
}
.notfound-code {
  font-family: var(--font-latin);
  font-size: clamp(4rem, 12vw, 7.5rem);
  font-weight: 700;
  line-height: 1;
  color: var(--ink);
  letter-spacing: 0.02em;
}
.notfound-code .accent-dot { color: var(--accent); }
.notfound-title { font-size: 1.25rem; font-weight: 600; margin-top: 1.4rem; }
.notfound-lead { color: var(--ink-mute); margin-top: 0.8rem; font-size: 0.94rem; }
.notfound-actions { margin-top: 2.4rem; display: flex; justify-content: center; gap: 0.9rem; flex-wrap: wrap; }

/* --------------------------------------------------------------------------
   26. Decorative figure (conversation flow diagram)
   -------------------------------------------------------------------------- */
.flow-figure {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  padding: clamp(1.25rem, 3vw, 2rem);
}
.flow-figure svg { display: block; width: 100%; height: auto; }
.flow-caption {
  margin-top: 1rem;
  font-size: 0.76rem;
  color: var(--ink-mute);
  letter-spacing: 0.03em;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

/* --------------------------------------------------------------------------
   27. Contact page
   -------------------------------------------------------------------------- */
.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: clamp(2.5rem, 5vw, 5rem);
  align-items: start;
}
.contact-sub {
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--ink);
  margin: 0 0 1.5rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--line);
}
.contact-aside {
  background: var(--white);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  padding: clamp(1.5rem, 3vw, 2.25rem);
}
.contact-phone {
  font-family: var(--font-latin);
  font-size: 1.7rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--ink);
  margin: 0 0 0.25rem;
  font-variant-numeric: tabular-nums;
}
.contact-dl { margin: 1.25rem 0 0; }
.contact-dl-row {
  padding: 0.9rem 0;
  border-top: 1px solid var(--line-soft);
}
.contact-dl-row dt {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: 0.3rem;
}
.contact-dl-row dd {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--ink-soft);
}

/* --------------------------------------------------------------------------
   28. Company page
   -------------------------------------------------------------------------- */
.mission-grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: start;
}
.mission-lead {
  font-family: var(--font-serif);
  font-size: clamp(1.2rem, 2.2vw, 1.5rem);
  line-height: 2;
  color: var(--ink);
  margin: 0;
}
.mission-body p {
  margin: 0 0 1.25rem;
  font-size: 0.95rem;
  line-height: 2.05;
  color: var(--ink-soft);
}
.mission-body p:last-child { margin-bottom: 0; }

.leader-card {
  background: var(--white);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  padding: clamp(1.5rem, 2.5vw, 2rem);
  display: flex;
  flex-direction: column;
}
.leader-role {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 0.85rem;
}
.leader-name {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--ink);
  margin: 0;
  letter-spacing: 0.04em;
}
.leader-name-en {
  font-family: var(--font-latin);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--ink-mute);
  margin: 0.3rem 0 1rem;
}
.leader-bio {
  font-size: 0.88rem;
  line-height: 1.9;
  color: var(--ink-soft);
  margin: 0;
  padding-top: 1rem;
  border-top: 1px solid var(--line-soft);
}

.stats-grid--facts { margin-top: clamp(3rem, 5vw, 4rem); }

.access-grid {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: clamp(2rem, 4vw, 3.5rem);
  align-items: start;
}
.access-heading {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 1rem;
}
.access-address {
  font-size: 0.95rem;
  line-height: 1.9;
  color: var(--ink-soft);
  margin: 0 0 1.5rem;
}
.access-routes {
  list-style: none;
  margin: 0 0 1.5rem;
  padding: 0;
}
.access-routes li {
  position: relative;
  padding: 0.55rem 0 0.55rem 1.4rem;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--ink-soft);
  border-top: 1px solid var(--line-soft);
}
.access-routes li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.05rem;
  width: 0.55rem;
  height: 1px;
  background: var(--accent);
}
.access-note {
  font-size: 0.85rem;
  line-height: 1.8;
  color: var(--ink-mute);
  margin: 0;
  padding: 1rem 1.25rem;
  background: var(--paper-2);
  border-left: 3px solid var(--gold);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.article-hero {
  padding: clamp(3rem, 6vw, 4.5rem) 0 clamp(2.5rem, 5vw, 3.5rem);
}
.article-body {
  padding-bottom: var(--section);
}

.case-more { margin: 1.5rem 0 0; }

/* product page extras */
.product-split {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}
.product-lead {
  font-size: 1.02rem;
  line-height: 1.9;
  color: var(--ink);
  margin: 0 0 1.75rem;
}
.feature-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.feature-list li {
  position: relative;
  padding: 0.75rem 0 0.75rem 1.5rem;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--ink-soft);
  border-top: 1px solid var(--line-soft);
}
.feature-list li::before {
  content: "";
  position: absolute;
  left: 0.1rem;
  top: 1.4rem;
  width: 0.6rem;
  height: 1.5px;
  background: var(--accent);
}
.feature-list li strong { color: var(--ink); font-weight: 600; }
.table-note {
  margin: 1rem 0 0;
  font-size: 0.8rem;
  color: var(--ink-mute);
  letter-spacing: 0.03em;
}
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* --------------------------------------------------------------------------
   29. Case study (customers page)
   -------------------------------------------------------------------------- */
.case-study {
  padding: clamp(2.5rem, 5vw, 4rem) 0;
  border-top: 1px solid var(--line);
}
.case-study:first-child { border-top: 0; padding-top: 0; }
.case-study-head {
  display: grid;
  grid-template-columns: 3.5rem minmax(0, 1fr) auto;
  gap: 1.5rem;
  align-items: start;
  margin-bottom: 2rem;
}
.case-study-num {
  font-family: var(--font-latin);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--accent);
  padding-top: 0.4rem;
}
.case-study-client {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 0.2rem;
}
.case-study-industry {
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--ink-mute);
  margin: 0 0 0.9rem;
}
.case-study-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0.01em;
  color: var(--ink);
  margin: 0;
}
.case-study-metrics {
  display: flex;
  gap: 1rem;
}
.cs-metric {
  min-width: 6.5rem;
  padding: 0.85rem 1rem;
  background: var(--white);
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
}
.cs-metric-value, .cs-metric .solution-metric-value {
  font-family: var(--font-latin);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.1;
  margin: 0;
  font-variant-numeric: tabular-nums;
}
.cs-metric-label {
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  color: var(--ink-mute);
  margin: 0.35rem 0 0;
  line-height: 1.5;
}
.case-study-body { max-width: 46rem; }
.case-study-body h3 {
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: 2.25rem 0 0.75rem;
}
.case-study-body h3:first-child { margin-top: 0; }
.case-study-body p {
  font-size: 0.95rem;
  line-height: 2;
  color: var(--ink-soft);
  margin: 0 0 1rem;
}
.case-study-body ul {
  list-style: none;
  margin: 0 0 1rem;
  padding: 0;
}
.case-study-body ul li {
  position: relative;
  padding: 0.35rem 0 0.35rem 1.4rem;
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--ink-soft);
}
.case-study-body ul li::before {
  content: "";
  position: absolute;
  left: 0.1rem;
  top: 1.15em;
  width: 0.55rem;
  height: 1.5px;
  background: var(--accent);
}
.case-study-products {
  font-size: 0.78rem !important;
  letter-spacing: 0.06em;
  color: var(--ink-mute) !important;
  margin-top: 1.75rem !important;
  padding-top: 1rem;
  border-top: 1px dashed var(--line);
}
.case-study .quote-block { margin: 2rem 0; }
.clients-note {
  margin: 2rem 0 0;
  font-size: 0.85rem;
  line-height: 1.8;
  color: var(--ink-mute);
}

/* --------------------------------------------------------------------------
   30. Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 64rem) {
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .footer-main { grid-template-columns: 1fr 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat { border-left: 0; border-top: 1px solid var(--line); }
  .stat:nth-child(-n + 2) { border-top: 0; }
  .stat:nth-child(even) { border-left: 1px solid var(--line); }
  .steps { grid-template-columns: 1fr; }
  .step { border-left: 0; border-top: 1px solid var(--line); }
  .step:first-child { border-top: 0; }
  .phases { grid-template-columns: repeat(2, 1fr); }
  .phase:nth-child(odd) { border-left: 0; }
  .phase:nth-child(n + 3) { border-top: 1px solid var(--line); }
  .industry-strip { grid-template-columns: repeat(2, 1fr); }
  .industry-cell:nth-child(odd) { border-left: 0; }
  .industry-cell:nth-child(n + 3) { border-top: 1px solid var(--line); }
  .solution-block { grid-template-columns: 1fr; }
}

@media (max-width: 48rem) {
  body { font-size: 0.94rem; }

  .nav-toggle { display: block; }
  .header-actions .btn { display: none; }

  .site-nav {
    position: fixed;
    inset: 0;
    z-index: 110;
    background: var(--paper);
    padding: 6rem var(--gutter) 3rem;
    transform: translateY(-100%);
    visibility: hidden;
    transition: transform 300ms var(--ease), visibility 0s linear 300ms;
    overflow-y: auto;
  }
  .site-nav.is-open {
    transform: translateY(0);
    visibility: visible;
    transition: transform 300ms var(--ease);
  }
  .site-nav .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }
  .site-nav .nav-list li { border-bottom: 1px solid var(--line); }
  .site-nav .nav-link {
    display: block;
    font-size: 1.15rem;
    font-weight: 600;
    padding: 1.1rem 0.25rem;
  }
  .site-nav .nav-link::after { display: none; }
  .site-nav .nav-link[aria-current="page"] { color: var(--accent); }
  .site-nav .nav-cta-mobile { display: block; margin-top: 2rem; }
  .nav-cta-mobile { display: none; }

  .lang-switch { display: none; }
  .site-nav .lang-switch { display: inline-flex; margin-top: 1.75rem; }

  .grid--4, .grid--3, .grid--2 { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .phases, .industry-strip { grid-template-columns: 1fr; }
  .phase, .industry-cell { border-left: 0 !important; border-top: 1px solid var(--line); }
  .phase:first-child, .industry-cell:first-child { border-top: 0; }

  .news-item { grid-template-columns: 1fr; gap: 0.4rem; padding: 1.25rem 0.25rem; }
  .news-item .news-arrow { display: none; }
  .news-meta-row { display: flex; align-items: center; gap: 0.9rem; }

  .case-card { grid-template-columns: 1fr; gap: 0.6rem; }
  .case-arrow { display: none; }
  .case-metric { display: flex; align-items: baseline; gap: 0.75rem; }
  .case-metric small { margin-top: 0; }

  .footer-main { grid-template-columns: 1fr; gap: 2.25rem; }
  .footer-legal-links { margin-left: 0; }

  .fact-row { grid-template-columns: 1fr; gap: 0.25rem; padding: 1rem 0.25rem; }

  .trust-item { grid-template-columns: 1fr; gap: 0.8rem; }

  .cta-band-inner { flex-direction: column; align-items: flex-start; }

  .contact-layout, .mission-grid, .access-grid { grid-template-columns: 1fr; }
  .contact-aside { order: 2; }
  .case-study-head { grid-template-columns: 1fr; gap: 0.75rem; }
  .case-study-num { padding-top: 0; }
  .case-study-metrics { flex-wrap: wrap; }
  .product-split { grid-template-columns: 1fr; }
}

@media (min-width: 48.01rem) {
  .site-nav .lang-switch { display: none; }
  .site-nav .nav-cta-mobile { display: none; }
}

/* --------------------------------------------------------------------------
   30. Print
   -------------------------------------------------------------------------- */
@media print {
  .site-header, .site-footer, .cta-band, .skip-link, .breadcrumb { display: none; }
  body { background: #fff; color: #000; }
}