/* =========================================================================
   SOJIA ENERGY — global stylesheet
   Tokens → Base → Layout → Components → Sections → Responsive → Motion
   ========================================================================= */

/* ---------- 1. Design tokens ---------- */
:root {
  /* palette — aligned to the SOJIA ENERGY mark (teal → blue, navy wordmark) */
  --ink: #0f1c28;            /* deep blue-charcoal: text + dark sections */
  --warm-white: #f4f6f7;     /* cool off-white page ground */
  --mist-silver: #e6ebeb;    /* alt sections / cards */
  --graphite: #55606a;

  /* brand */
  --brand-navy: #0e1e33;     /* "SOJIA" */
  --brand-teal: #23a188;     /* mark, upper-left of disc */
  --brand-blue: #1c6fa8;     /* mark lower-right, "ENERGY" */
  --brand-grad: linear-gradient(135deg, #23a188 0%, #1c6fa8 100%);

  --energy-green: #1c86bf;   /* legacy name — now the interactive accent (teal-blue) */
  --deep-forest: #0b2e3f;    /* deep-sea: dark accent section ground */

  /* semantic */
  --bg: var(--warm-white);
  --bg-alt: var(--mist-silver);
  --bg-dark: var(--ink);
  --text: var(--ink);
  --text-muted: var(--graphite);
  --text-on-dark: var(--warm-white);
  --text-muted-on-dark: #9fabb3;
  --border: #d6dcdd;
  --border-on-dark: #263440;
  --accent: var(--energy-green);
  --accent-on-dark: #3fc6d6;  /* brighter for dark grounds */

  /* type */
  --font-sans: "Inter", "Helvetica Neue", Arial, "Noto Sans JP",
    "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  --font-jp: "Noto Sans JP", "Hiragino Sans", "Hiragino Kaku Gothic ProN",
    "Yu Gothic", Meiryo, "Inter", sans-serif;

  /* scale */
  --step-hero: clamp(2.5rem, 1.4rem + 5.4vw, 5.5rem);      /* ~40 → 88px */
  --step-h2: clamp(1.9rem, 1.35rem + 2.7vw, 3.25rem);      /* ~30 → 52px */
  --step-h3: clamp(1.25rem, 1.05rem + 1vw, 1.6rem);
  --step-body: clamp(1rem, 0.97rem + 0.15vw, 1.125rem);
  --step-small: 0.875rem;

  /* spacing / layout */
  --wrap: 1200px;
  --wrap-read: 680px;
  --gutter: clamp(1.25rem, 0.6rem + 3vw, 3rem);
  --section-y: clamp(4rem, 2.5rem + 6vw, 8rem);
  --radius: 12px;

  --header-h: 84px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --shadow-sm: 0 1px 2px rgba(14, 30, 51, 0.07);
  --shadow-md: 0 14px 36px rgba(14, 30, 51, 0.14);
}

/* ---------- 2. Base / reset ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--step-body);
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  font-feature-settings: "palt" 1;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 {
  font-family: var(--font-jp);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: 0.01em;
  margin: 0 0 0.6em;
}

p { margin: 0 0 1.2em; }
p:last-child { margin-bottom: 0; }

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s var(--ease), opacity 0.2s var(--ease);
}

img,
svg { display: block; max-width: 100%; }

ul { margin: 0; padding: 0; list-style: none; }

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

.skip-link {
  position: absolute;
  left: 50%;
  top: 0;
  transform: translate(-50%, -120%);
  background: var(--ink);
  color: var(--warm-white);
  padding: 0.6rem 1.2rem;
  border-radius: 0 0 var(--radius) var(--radius);
  z-index: 200;
  transition: transform 0.2s var(--ease);
}
.skip-link:focus { transform: translate(-50%, 0); }

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}

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

.section { padding-block: var(--section-y); }

.section--dark {
  background: var(--bg-dark);
  color: var(--text-on-dark);
}
.section--alt { background: var(--bg-alt); }
.section--forest {
  background: var(--deep-forest);
  color: var(--text-on-dark);
}

.measure { max-width: var(--wrap-read); }

.eyebrow {
  font-family: var(--font-sans);
  font-size: var(--step-small);
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 0 0 1rem;
}
.section--dark .eyebrow,
.section--forest .eyebrow { color: var(--text-muted-on-dark); }
.eyebrow::before {
  content: "";
  display: inline-block;
  width: 22px;
  height: 1px;
  background: var(--accent);
  vertical-align: middle;
  margin-right: 0.7rem;
}

.section-title { font-size: var(--step-h2); }
.lede {
  font-size: clamp(1.05rem, 1rem + 0.5vw, 1.35rem);
  color: var(--text-muted);
}
.section--dark .lede,
.section--forest .lede { color: var(--text-muted-on-dark); }

/* ---------- 4. Buttons ---------- */
.btn {
  --btn-bg: var(--ink);
  --btn-fg: var(--warm-white);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 48px;
  padding: 0.85rem 1.6rem;
  font-family: var(--font-jp);
  font-size: 1rem;
  font-weight: 600;
  color: var(--btn-fg);
  background: var(--btn-bg);
  border: 1px solid var(--btn-bg);
  border-radius: var(--radius);
  cursor: pointer;
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease),
    background 0.2s var(--ease), color 0.2s var(--ease);
}
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn:active { transform: translateY(0); }

.btn--invert {
  --btn-bg: var(--warm-white);
  --btn-fg: var(--ink);
}
.btn--brand {
  background: var(--brand-grad);
  border-color: transparent;
  color: #fff;
}
.btn--brand:hover { box-shadow: 0 12px 32px rgba(28, 111, 168, 0.35); }
.btn--ghost {
  --btn-bg: transparent;
  --btn-fg: var(--ink);
  border-color: var(--border);
}
.section--dark .btn--ghost,
.section--forest .btn--ghost {
  --btn-fg: var(--warm-white);
  border-color: var(--border-on-dark);
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-jp);
  font-weight: 600;
  min-height: 44px;
}
.link-arrow .arrow { transition: transform 0.2s var(--ease); }
.link-arrow:hover { color: var(--brand-blue); }
.section--dark .link-arrow:hover,
.section--forest .link-arrow:hover { color: var(--accent-on-dark); }
.link-arrow:hover .arrow { transform: translateX(4px); }

/* ---------- 5. Header ---------- */
/* Transparent over the (dark) hero → white logo + light nav.
   After ~24px of scroll it fades to pale glass → colour logo + dark nav. */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  color: var(--text-on-dark);
  background: transparent;
  transition: color 0.3s var(--ease), background 0.3s var(--ease),
    box-shadow 0.3s var(--ease), backdrop-filter 0.3s var(--ease);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}
.site-header.is-scrolled {
  color: var(--ink);
  background: rgba(244, 246, 247, 0.9);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  box-shadow: 0 6px 20px rgba(15, 28, 40, 0.1);
}

/* =========================================================================
   BRAND LOCKUP  —  transparent PNGs of the trademark:
     assets/img/logo.png        colour   (pale header once scrolled, footer)
     assets/img/logo-white.png  reversed (transparent header over the hero)
   To change the logo: replace those two files. Size = `.logo__img { height }`.
   ========================================================================= */
.logo {
  display: inline-flex;
  flex: none;
  align-items: center;
  height: 44px;
}
.logo__img {
  display: block;
  width: auto;
  max-width: none;
  height: 34px;
}
.logo__img--color { display: none; }
.is-scrolled .logo__img--white { display: none; }
.is-scrolled .logo__img--color { display: block; }

.logo--chip {
  background: #fff;
  border-radius: 11px;
  padding: 11px 16px;
  height: auto;
}
.logo--chip .logo__img { height: 30px; }
.site-footer .logo__img--white { display: none; }
.site-footer .logo__img--color { display: block; }

.nav {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2.5vw, 2.25rem);
}
.nav a {
  font-family: var(--font-jp);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.5rem 0.25rem;
  position: relative;
}
.nav a[aria-current="page"] { color: var(--accent); }
.site-header:not(.is-scrolled) .nav a[aria-current="page"] { color: var(--accent-on-dark); }
.nav a:not(.btn)::after {
  content: "";
  position: absolute;
  left: 0.25rem; right: 0.25rem; bottom: 0.15rem;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s var(--ease);
}
.nav a:not(.btn):hover::after { transform: scaleX(1); }
.nav .btn { min-height: 44px; padding: 0.6rem 1.25rem; }

.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  background: none;
  border: 0;
  cursor: pointer;
  color: currentColor;
  align-items: center;
  justify-content: center;
}
.nav-toggle svg { width: 26px; height: 26px; }

/* ---------- 6. Footer ---------- */
.site-footer {
  background: var(--ink);
  color: var(--text-muted-on-dark);
  padding-block: clamp(3rem, 2rem + 4vw, 5rem);
  font-size: var(--step-small);
}
.site-footer a:hover { color: var(--warm-white); }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 2.5rem;
}
.footer-nav a {
  display: inline-block;
  padding: 0.35rem 0;
  color: var(--warm-white);
  font-family: var(--font-jp);
}
.footer-col h3 {
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted-on-dark);
  font-family: var(--font-sans);
}
.footer-company address {
  font-style: normal;
  line-height: 1.9;
  color: var(--warm-white);
}
.pending-link {
  color: var(--text-muted-on-dark);
  cursor: default;
}
.form-consent .pending-link { color: var(--graphite); }

.footer-bottom {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-on-dark);
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  justify-content: space-between;
}

/* ---------- 7. Hero ---------- */
.hero {
  position: relative;
  min-height: min(92vh, 820px);
  display: flex;
  align-items: flex-end;
  padding-top: var(--header-h);
  padding-bottom: clamp(3rem, 2rem + 5vw, 6rem);
  background: var(--ink);
  color: var(--text-on-dark);
  overflow: hidden;
}
.hero--compact { min-height: min(72vh, 620px); }

.hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(9, 18, 28, 0.34) 0%,
    rgba(9, 18, 28, 0.56) 55%,
    rgba(9, 18, 28, 0.84) 100%
  );
}
.hero__media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero .wrap { position: relative; z-index: 1; }
.hero h1 {
  font-size: var(--step-hero);
  max-width: 15ch;
  margin-bottom: 0.5em;
}
.hero__sub {
  max-width: 46ch;
  font-size: clamp(1.05rem, 1rem + 0.55vw, 1.4rem);
  color: var(--text-on-dark);
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 1.75rem;
  margin-top: 2.25rem;
}
.hero__wordmark {
  font-family: var(--font-sans);
  font-weight: 700;
  letter-spacing: 0.22em;
  font-size: clamp(0.75rem, 0.7rem + 0.4vw, 0.95rem);
  color: var(--text-muted-on-dark);
  margin-bottom: 1.5rem;
}

/* ---------- 8. Content media ---------- */
.media {
  display: block;
  width: 100%;
  border-radius: var(--radius);
  background: var(--ink);
}
.media--bordered { border: 1px solid var(--border); }

/* ---------- 9. Cards / grids ---------- */
.grid {
  display: grid;
  gap: clamp(1.5rem, 1rem + 2vw, 2.5rem);
}
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }

.value-card {
  padding: 2rem 1.75rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  height: 100%;
}
.section--dark .value-card {
  background: #17191c;
  border-color: var(--border-on-dark);
}
.value-card__icon {
  width: 40px;
  height: 40px;
  color: var(--deep-forest);
  margin-bottom: 1.25rem;
}
.section--dark .value-card__icon { color: var(--accent); }
.value-card h3 { font-size: var(--step-h3); }
.value-card p { color: var(--text-muted); margin-bottom: 0; }
.section--dark .value-card p { color: var(--text-muted-on-dark); }

/* principle list (no numbers-as-data) */
.principles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.5rem, 1rem + 2vw, 3rem);
}
.principle {
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-on-dark);
}
.section:not(.section--dark):not(.section--forest) .principle {
  border-top-color: var(--border);
}
.principle h3 { font-size: var(--step-h3); }
.principle p { color: var(--text-muted-on-dark); margin-bottom: 0; }
.section:not(.section--dark):not(.section--forest) .principle p {
  color: var(--text-muted);
}

/* ---------- 10. Energy flow ---------- */
.energy-flow {
  display: grid;
  gap: 2rem;
  align-items: center;
}
.energy-flow__diagram {
  position: relative;
  width: 100%;
}
.energy-flow__diagram svg { width: 100%; height: auto; }
.flow-line {
  fill: none;
  stroke: var(--accent);
  stroke-width: 1.5;
  stroke-dasharray: 6 10;
  animation: flow-dash 9s linear infinite;
}
.flow-track {
  fill: none;
  stroke: var(--border-on-dark);
  stroke-width: 1.5;
}
.section:not(.section--dark):not(.section--forest) .flow-track {
  stroke: var(--border);
}
.flow-node circle {
  fill: var(--bg-dark);
  stroke: var(--accent);
  stroke-width: 1.5;
}
.section:not(.section--dark):not(.section--forest) .flow-node circle {
  fill: var(--bg);
}
.flow-node text {
  font-family: var(--font-jp);
  font-size: 13px;
  font-weight: 600;
  fill: currentColor;
}

/* ---------- 11. Product focus ---------- */
.product-focus {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 1rem + 4vw, 4.5rem);
  align-items: center;
}
.product-focus__body h2 { font-size: var(--step-h2); }
.spec-note {
  font-size: var(--step-small);
  color: var(--text-muted);
  border-left: 2px solid var(--accent);
  padding-left: 1rem;
  margin-top: 1.5rem;
}
.section--dark .spec-note { color: var(--text-muted-on-dark); }

/* ---------- 12. Solutions modules ---------- */
.solution {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(1.5rem, 1rem + 3vw, 3.5rem);
  padding-block: clamp(2.5rem, 1.5rem + 4vw, 4.5rem);
  border-top: 1px solid var(--border);
  align-items: start;
}
.solution:first-of-type { border-top: 0; }
.solution__index {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--accent);
}
.solution h3 { font-size: var(--step-h3); margin-top: 0.4rem; }
.solution dl { margin: 0; display: grid; gap: 1.1rem; }
.solution dt {
  font-family: var(--font-jp);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--text);
  margin-bottom: 0.15rem;
}
.solution dd { margin: 0; color: var(--text-muted); }

/* process steps */
.steps {
  counter-reset: step;
  display: grid;
  gap: 0;
}
.step {
  display: grid;
  grid-template-columns: 3.5rem 1fr;
  gap: 1.25rem;
  padding-block: 1.5rem;
  border-top: 1px solid var(--border-on-dark);
}
.section:not(.section--dark):not(.section--forest) .step {
  border-top-color: var(--border);
}
.step:last-child { border-bottom: 1px solid var(--border-on-dark); }
.section:not(.section--dark):not(.section--forest) .step:last-child {
  border-bottom-color: var(--border);
}
.step__num {
  counter-increment: step;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--accent);
}
.step__num::before { content: counter(step, decimal-leading-zero); }
.step h3 { font-size: 1.1rem; margin-bottom: 0.3rem; }
.step p { margin-bottom: 0; color: var(--text-muted); }
.section--dark .step p,
.section--forest .step p { color: var(--text-muted-on-dark); }

/* ---------- 13. Technology cutaway ---------- */
.cutaway {
  display: grid;
  gap: 1rem;
}
.cutaway__module {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.25rem;
  align-items: center;
  padding: 1.5rem;
  background: #17191c;
  border: 1px solid var(--border-on-dark);
  border-radius: var(--radius);
  transition: transform 0.4s var(--ease);
}
.cutaway__module .tag {
  font-family: var(--font-sans);
  font-weight: 700;
  letter-spacing: 0.1em;
  font-size: 0.8rem;
  color: var(--accent);
  writing-mode: horizontal-tb;
  min-width: 92px;
}
.cutaway__module h3 { font-size: 1.05rem; margin-bottom: 0.2rem; }
.cutaway__module p { margin-bottom: 0; color: var(--text-muted-on-dark); font-size: 0.95rem; }

/* operation-view dashboard mock */
.dash {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg);
  box-shadow: var(--shadow-md);
}
.dash__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 1.25rem;
  background: var(--ink);
  color: var(--warm-white);
}
.dash__title {
  font-family: var(--font-jp);
  font-weight: 700;
  font-size: 0.95rem;
}
.dash__range {
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--text-muted-on-dark);
  border: 1px solid var(--border-on-dark);
  border-radius: 999px;
  padding: 0.25rem 0.7rem;
}
.dash__kpis {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
}
.dash__kpi {
  background: var(--bg);
  padding: 1.15rem 1.25rem 1.25rem;
}
.dash__kpi span {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--graphite);
  margin-bottom: 0.35rem;
}
.dash__kpi strong {
  font-family: var(--font-sans);
  font-size: 1.9rem;
  font-weight: 700;
  line-height: 1;
  display: inline-flex;
  align-items: baseline;
  gap: 0.15rem;
}
.dash__kpi strong i {
  font-style: normal;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--graphite);
}
.dash__kpi em {
  display: inline-block;
  margin-top: 0.6rem;
  font-style: normal;
  font-size: 0.72rem;
  color: var(--graphite);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.1rem 0.55rem;
}
.dash__kpi em.up { color: var(--deep-forest); border-color: rgba(21, 54, 46, 0.3); }
.dash__chart {
  border-top: 1px solid var(--border);
  padding: 1.25rem 1.25rem 0.75rem;
}
.dash__chart-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--graphite);
  margin-bottom: 0.75rem;
}
.dash__legend { display: inline-flex; align-items: center; gap: 0.4rem; }
.dash__legend i {
  width: 14px; height: 3px; display: inline-block; border-radius: 2px;
  margin-left: 0.6rem;
}
.dash__legend i.lg-gen { background: var(--deep-forest); }
.dash__legend i.lg-load { background: var(--graphite); }
.dash__chart svg { width: 100%; height: 200px; display: block; }
.dash__axis {
  display: flex;
  justify-content: space-between;
  font-size: 0.68rem;
  color: var(--graphite);
  padding: 0.4rem 0 0.25rem;
}
.dash__status {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border-top: 1px solid var(--border);
}
.dash__stat {
  background: var(--bg-alt);
  padding: 0.9rem 1.25rem;
  font-family: var(--font-jp);
  font-weight: 700;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.dash__stat i {
  width: 8px; height: 8px; border-radius: 999px; flex: none;
  background: var(--energy-green);
}
.dash__stat span {
  margin-left: auto;
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 0.78rem;
  color: var(--graphite);
}

/* Google Maps embed */
.map-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 11;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-alt);
}
.map-frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* ---------- 14. FAQ ---------- */
.faq { border-top: 1px solid var(--border); }
.faq details {
  border-bottom: 1px solid var(--border);
}
.faq summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.4rem 0;
  cursor: pointer;
  font-family: var(--font-jp);
  font-weight: 700;
  font-size: 1.05rem;
  list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary .sign {
  flex: none;
  width: 24px; height: 24px;
  position: relative;
}
.faq summary .sign::before,
.faq summary .sign::after {
  content: "";
  position: absolute;
  background: var(--ink);
  transition: transform 0.25s var(--ease), opacity 0.25s var(--ease);
}
.faq summary .sign::before { inset: 11px 2px auto 2px; height: 2px; }
.faq summary .sign::after { inset: 2px 11px 2px 11px; width: 2px; }
.faq details[open] summary .sign::after { transform: scaleY(0); }
.faq details > div {
  padding: 0 0 1.6rem;
  color: var(--text-muted);
  max-width: 60ch;
}

/* ---------- 15. Company / contact ---------- */
.info-table {
  border-top: 1px solid var(--border);
}
.info-table div {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 1.5rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--border);
}
.info-table dt {
  font-family: var(--font-jp);
  font-weight: 700;
  color: var(--text);
}
.info-table dd { margin: 0; color: var(--text-muted); }
.biz-list {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: biz;
  display: grid;
  gap: 0.7rem;
}
.biz-list li {
  counter-increment: biz;
  position: relative;
  padding-left: 2rem;
  line-height: 1.7;
}
.biz-list li::before {
  content: counter(biz);
  position: absolute;
  left: 0;
  top: 0.15rem;
  width: 1.4rem;
  height: 1.4rem;
  display: grid;
  place-items: center;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--brand-blue);
  border: 1px solid var(--border);
  border-radius: 50%;
}
.info-table .pending {
  font-size: 0.8rem;
  color: var(--graphite);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.1rem 0.6rem;
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: clamp(2rem, 1rem + 4vw, 4rem);
  align-items: start;
}

.form-field { margin-bottom: 1.5rem; }
.form-field label {
  display: block;
  font-family: var(--font-jp);
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}
.form-field .req {
  color: var(--deep-forest);
  font-size: 0.75rem;
  margin-left: 0.4rem;
}
.form-field input,
.form-field textarea {
  width: 100%;
  font: inherit;
  font-size: 1rem;
  padding: 0.85rem 1rem;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.form-field input:focus,
.form-field textarea:focus {
  border-color: var(--deep-forest);
  box-shadow: 0 0 0 3px rgba(21, 54, 46, 0.12);
  outline: none;
}
.form-field textarea { min-height: 150px; resize: vertical; }

.form-consent {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}
.form-consent input {
  flex: none;
  width: 20px; height: 20px;
  margin-top: 0.2rem;
  accent-color: var(--deep-forest);
}

.form-status {
  margin-top: 1rem;
  padding: 0.9rem 1.1rem;
  border-radius: 10px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* ---------- 16. CTA band ---------- */
.cta-band { text-align: center; }
.cta-band h2 { font-size: var(--step-h2); margin-bottom: 0.4em; }
.cta-band .btn { margin-top: 1rem; }

/* ---------- 17. Reveal-on-scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* ---------- 18. Responsive ---------- */
@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .product-focus,
  .contact-layout,
  .solution { grid-template-columns: 1fr; }
  .grid--3,
  .principles { grid-template-columns: 1fr; }
  .grid--2 { grid-template-columns: 1fr; }
  .dash__kpis { grid-template-columns: repeat(2, 1fr); }
  .dash__status { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  :root { --header-h: 72px; }

  .nav {
    position: fixed;
    inset: var(--header-h) 0 0 0;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 0;
    padding: 1rem var(--gutter) 2rem;
    background: var(--warm-white);
    color: var(--ink);
    transform: translateX(100%);
    transition: transform 0.3s var(--ease);
    overflow-y: auto;
  }
  .nav.is-open { transform: none; }
  .nav a {
    font-size: 1.15rem;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border);
  }
  .nav a:not(.btn)::after { display: none; }
  .nav .btn {
    margin-top: 1.5rem;
    justify-content: center;
    --btn-bg: var(--ink);
    --btn-fg: var(--warm-white);
  }
  .nav-toggle { display: inline-flex; }
  body.nav-open { overflow: hidden; }

  .footer-grid { grid-template-columns: 1fr; }
  .info-table div { grid-template-columns: 1fr; gap: 0.35rem; }
  .step { grid-template-columns: 2.5rem 1fr; }
}

/* ---------- 19. Motion preferences ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
  .flow-line { stroke-dasharray: 0; }
}

@keyframes flow-dash {
  to { stroke-dashoffset: -160; }
}