/* frontend-design aligned: distinctive JP type, cohesive variables, texture, motion */

:root {
  --paper: #f4f7fc;
  --paper2: #e8eef7;
  --ink: #0f172a;
  --ink-soft: #475569;
  --line: rgba(15, 23, 42, 0.12);
  --line-strong: rgba(15, 23, 42, 0.22);
  --accent: #1d4ed8;
  --accent-soft: rgba(29, 78, 216, 0.14);
  --forest: #0c1929;
  --forest-mid: #153a5c;
  --hero-shadow: rgba(15, 23, 42, 0.22);
  --max: 1180px;
  --font-display: "Zen Old Mincho", ui-serif, "Hiragino Mincho ProN", "Yu Mincho", serif;
  --font-body: "Zen Kaku Gothic Antique", system-ui, sans-serif;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --header-h: 72px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.75;
  color: var(--ink);
  background: var(--paper);
  text-rendering: optimizeLegibility;
}

[id] {
  scroll-margin-top: calc(var(--header-h) + 16px);
}

a {
  color: inherit;
  text-decoration: none;
}

a:hover {
  color: var(--accent);
}

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

.skip {
  position: absolute;
  left: -999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.skip:focus {
  left: 16px;
  top: 16px;
  width: auto;
  height: auto;
  padding: 10px 14px;
  background: var(--paper);
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  z-index: 100;
}

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 40px);
}

/* Header */
.siteHeader {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(244, 247, 252, 0.88);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.siteHeader.isScrolled {
  background: rgba(244, 247, 252, 0.96);
}

.headerBar {
  max-width: var(--max);
  margin: 0 auto;
  padding: 14px clamp(20px, 4vw, 40px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: var(--header-h);
}

.brandMark {
  display: grid;
  gap: 2px;
  max-width: min(520px, 72vw);
  transition: opacity 0.2s var(--ease-out);
}

.brandMark:hover {
  opacity: 0.85;
  color: inherit;
}

.brandMark__name {
  font-family: var(--font-display);
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  font-weight: 900;
  letter-spacing: 0.04em;
  line-height: 1.25;
}

.brandMark__line {
  width: 48px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent);
  margin: 6px 0 2px;
}

.brandMark__tag {
  font-size: 0.75rem;
  color: var(--ink-soft);
  letter-spacing: 0.02em;
}

/* Primary nav (desktop) */
.siteNav {
  display: flex;
  align-items: center;
}

.siteNav__links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 20px;
}

.siteNav__link {
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
  padding: 6px 0;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s var(--ease-out), color 0.2s var(--ease-out);
}

.siteNav__link:hover {
  border-bottom-color: var(--accent);
  color: var(--ink);
}

.siteNav__logoLink {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin: 0 2px 0 6px;
  padding: 4px 0;
}

.siteNav__logoLink img {
  display: block;
  width: auto;
  height: 28px;
  object-fit: contain;
}

.siteNav__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: #fff !important;
  background: var(--forest);
  border-radius: 999px;
  margin-left: 8px;
  transition: transform 0.15s var(--ease-out), background 0.2s;
}

.siteNav__cta:hover {
  color: #fff !important;
  background: var(--forest-mid);
}

.siteNav__cta:active {
  transform: translateY(1px);
}

.navToggle {
  display: none;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--ink);
  background: transparent;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  cursor: pointer;
}

.navToggle__bars {
  display: grid;
  gap: 5px;
  width: 20px;
}

.navToggle__bars span {
  display: block;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
}

.navClose {
  display: none;
  position: absolute;
  top: 16px;
  right: 16px;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  line-height: 1;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 12px;
  cursor: pointer;
}

.navOverlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.45);
  z-index: 40;
  backdrop-filter: blur(4px);
}

/* Hero: full-bleed visual, inner constrained text */
.hero {
  position: relative;
  min-height: min(88vh, 820px);
  display: flex;
  align-items: stretch;
  color: var(--paper);
  isolation: isolate;
}

.hero__picture {
  position: absolute;
  inset: 0;
  z-index: 0;
  margin: 0;
}

.hero__photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
  display: block;
}

.hero__mesh {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    radial-gradient(ellipse 120% 80% at 0% 0%, rgba(59, 130, 246, 0.35), transparent 52%),
    radial-gradient(ellipse 90% 70% at 100% 15%, rgba(15, 23, 42, 0.45), transparent 48%),
    radial-gradient(ellipse 70% 55% at 45% 100%, rgba(14, 165, 233, 0.12), transparent 45%),
    linear-gradient(165deg, rgba(15, 23, 42, 0.88) 0%, rgba(30, 58, 95, 0.55) 42%, rgba(12, 25, 41, 0.85) 100%);
}

.hero__grain {
  position: absolute;
  inset: 0;
  z-index: 2;
  opacity: 0.35;
  mix-blend-mode: overlay;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
  background-size: 180px 180px;
}

.hero__inner {
  position: relative;
  z-index: 3;
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(48px, 10vw, 100px) clamp(20px, 4vw, 40px);
  display: grid;
  grid-template-columns: 1fr minmax(260px, 340px);
  gap: clamp(28px, 5vw, 56px);
  align-items: end;
}

.hero__main {
  padding-bottom: clamp(24px, 5vw, 48px);
}

.eyebrow {
  margin: 0 0 12px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(244, 240, 230, 0.65);
}

.hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: 0.02em;
}

.hero__titleSub {
  display: block;
  margin-top: 16px;
  font-family: var(--font-body);
  font-size: clamp(1rem, 2.1vw, 1.2rem);
  font-weight: 500;
  line-height: 1.6;
  letter-spacing: 0.04em;
  color: rgba(244, 240, 230, 0.88);
  max-width: 36ch;
}

.hero__lede {
  margin: 24px 0 0;
  max-width: 52ch;
  font-size: 0.95rem;
  color: rgba(244, 240, 230, 0.78);
}

.hero__actions {
  margin-top: 32px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 26px;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition:
    transform 0.15s var(--ease-out),
    background 0.2s,
    border-color 0.2s,
    color 0.2s;
}

.button:active {
  transform: translateY(1px);
}

.button--primary {
  background: var(--accent);
  color: #fff !important;
  border-color: rgba(255, 255, 255, 0.12);
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.25);
}

.button--primary:hover {
  color: #fff !important;
  filter: brightness(1.06);
}

.button--quiet {
  background: rgba(255, 255, 255, 0.08);
  color: var(--paper) !important;
  border-color: rgba(255, 255, 255, 0.22);
}

.button--quiet:hover {
  background: rgba(255, 255, 255, 0.14);
  color: #fff !important;
}

.button--onDark {
  background: #fff;
  color: var(--forest) !important;
}

.button--onDark:hover {
  color: var(--forest) !important;
  background: var(--paper2);
}

.button--ghostDis {
  display: inline-flex;
  padding: 14px 26px;
  font-size: 0.875rem;
  font-weight: 600;
  color: rgba(244, 240, 230, 0.5) !important;
  border: 1px dashed rgba(244, 240, 230, 0.35);
  border-radius: 999px;
  cursor: default;
}

.hero__aside {
  align-self: end;
  padding: 24px 24px 28px;
  background: rgba(15, 23, 42, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 4px;
  box-shadow: 0 24px 48px var(--hero-shadow);
  backdrop-filter: blur(8px);
}

.statList {
  margin: 0;
}

.statList__row {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.statList__row:last-of-type {
  border-bottom: none;
  padding-bottom: 16px;
}

.statList__term {
  margin: 0;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(244, 240, 230, 0.55);
}

.statList__def {
  margin: 0;
  font-size: 0.875rem;
  color: rgba(244, 240, 230, 0.92);
}

.hero__areas {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.hero__areasLabel {
  margin: 0 0 10px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: rgba(244, 240, 230, 0.65);
}

.areaChips {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.areaChips li {
  padding: 6px 10px;
  font-size: 0.75rem;
  font-weight: 600;
  color: rgba(244, 240, 230, 0.9);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
}

.fineprint {
  margin: 14px 0 0;
  font-size: 0.75rem;
  line-height: 1.65;
  color: var(--ink-soft);
}

.fineprint--onDark {
  color: rgba(244, 240, 230, 0.55);
}

/* Bands */
.band {
  padding: clamp(64px, 12vw, 120px) 0;
  position: relative;
}

.band--paper {
  background: var(--paper);
}

.band--paper::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-strong), transparent);
}

.band--ink {
  background: linear-gradient(180deg, #0f172a 0%, #152238 50%, #0a1628 100%);
  color: rgba(241, 245, 249, 0.92);
}

.band--ink .bandHead__text,
.band--ink .proseBlock p {
  color: rgba(226, 232, 240, 0.75);
}

.band--slab {
  background: linear-gradient(180deg, var(--paper2), var(--paper));
}

.band--cta {
  background: linear-gradient(135deg, #0c1929 0%, #0f2847 45%, #153a5c 100%);
  color: var(--paper);
}

.bandHead {
  max-width: 640px;
  margin-bottom: clamp(40px, 7vw, 72px);
}

.bandHead--invert {
  margin-bottom: clamp(32px, 6vw, 56px);
}

.bandHead__eyebrow {
  margin: 0 0 10px;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--accent);
}

.band--ink .bandHead__eyebrow {
  color: rgba(147, 197, 253, 0.95);
}

.bandHead__eyebrow--onDark {
  color: rgba(147, 197, 253, 0.95);
}

.bandHead__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  letter-spacing: 0.04em;
}

.bandHead__text {
  margin: 16px 0 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
  max-width: 52ch;
}

.mediaBand {
  margin: clamp(40px, 8vw, 72px) 0 0;
  padding: 0;
}

.mediaBand__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(12px, 2vw, 20px);
}

.mediaBand__item {
  margin: 0;
}

.mediaBand__item img {
  width: 100%;
  height: min(240px, 28vw);
  object-fit: cover;
  object-position: center;
  display: block;
  border-radius: 4px;
  border: 1px solid var(--line);
}

.mediaBand__item figcaption {
  margin: 10px 0 0;
  font-size: 0.75rem;
  line-height: 1.55;
  color: var(--ink-soft);
}

.splitFeature {
  display: grid;
  grid-template-columns: 1fr minmax(280px, 1.05fr);
  gap: clamp(28px, 6vw, 64px);
  align-items: start;
}

.splitFeature__copy .bandHead {
  margin-bottom: 20px;
}

.signature {
  margin: 0 0 24px;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--ink);
}

.historyList {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.historyList li {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.9375rem;
}

.historyList__year {
  font-weight: 800;
  color: var(--accent);
  letter-spacing: 0.04em;
}

.historyList__text {
  color: var(--ink-soft);
}

.splitFeature__figure {
  margin: 0;
}

.splitFeature__figure img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 4px;
  border: 1px solid var(--line);
}

.splitFeature__figure figcaption {
  margin-top: 12px;
  font-size: 0.8125rem;
  color: var(--ink-soft);
  line-height: 1.6;
}

.fleetShowcase {
  margin: 0;
}

.fleetShowcase__img {
  width: 100%;
  max-height: min(520px, 70vh);
  object-fit: cover;
  object-position: center;
  display: block;
  border-radius: 4px;
  border: 1px solid var(--line);
}

.fleetShowcase .fineprint {
  margin-top: 12px;
}

.serviceStack {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.serviceBlock {
  display: grid;
  grid-template-columns: minmax(140px, 200px) 1fr;
  gap: clamp(20px, 4vw, 40px);
  padding: clamp(28px, 5vw, 44px) 0;
  border-top: 1px solid var(--line);
}

.serviceBlock:last-child {
  border-bottom: 1px solid var(--line);
}

.serviceBlock__index {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 900;
  line-height: 1;
  color: var(--accent-soft);
  display: block;
  margin-bottom: 8px;
}

.serviceBlock__name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.serviceBlock__body p {
  margin: 0 0 16px;
  color: var(--ink-soft);
  max-width: 58ch;
}

.dashList {
  margin: 0;
  padding: 0;
  list-style: none;
}

.dashList li {
  position: relative;
  padding-left: 1.1em;
  margin: 8px 0;
  font-size: 0.9rem;
  color: var(--ink-soft);
}

.dashList li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--accent);
}

.band--ink__grid {
  display: grid;
  grid-template-columns: minmax(260px, 340px) 1fr;
  gap: clamp(32px, 8vw, 80px);
  align-items: start;
}

.proseGrid {
  display: grid;
  gap: clamp(28px, 4vw, 40px);
}

.proseBlock__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 700;
}

.proseBlock p {
  margin: 0;
  font-size: 0.95rem;
}

.licenseRows {
  border-top: 1px solid var(--line-strong);
}

.licenseRows__item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: baseline;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.licenseRows__name {
  font-weight: 700;
}

.licenseRows__no {
  font-family: ui-monospace, monospace;
  font-size: 0.875rem;
  color: var(--ink-soft);
}

.companyGrid {
  display: grid;
  grid-template-columns: minmax(240px, 320px) 1fr minmax(220px, 280px);
  gap: clamp(28px, 6vw, 56px);
  align-items: start;
}

.specTable {
  margin: 0;
}

.specTable__row {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 20px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.specTable__row dt {
  margin: 0;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.specTable__row dd {
  margin: 0;
  font-weight: 600;
  font-size: 0.95rem;
}

.asideNote {
  padding: 24px;
  background: rgba(29, 78, 216, 0.07);
  border-left: 3px solid var(--accent);
}

.asideNote__label {
  margin: 0 0 8px;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
}

.asideNote p:last-child {
  margin: 0;
  font-size: 0.9rem;
  color: var(--ink-soft);
}

.ctaSplit {
  display: grid;
  grid-template-columns: 1fr minmax(280px, 420px);
  gap: clamp(32px, 8vw, 72px);
  align-items: end;
}

.ctaSplit__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.35rem);
  font-weight: 700;
}

.ctaSplit__text {
  margin: 16px 0 0;
  max-width: 48ch;
  color: rgba(244, 240, 230, 0.75);
  font-size: 0.95rem;
}

.ctaSplit__panel {
  padding: 28px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 4px;
}

.ctaSplit__actions {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* Footer */
.siteFooter {
  padding: 32px 0 48px;
  background: #060d18;
  color: rgba(226, 232, 240, 0.55);
}

.footerBar {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 28px;
}

.footerBar__name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1rem;
  color: rgba(241, 245, 249, 0.9);
}

.footerBar__addr {
  margin: 0;
  font-size: 0.8125rem;
}

/* Scroll reveals */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity 0.7s var(--ease-out),
    transform 0.7s var(--ease-out);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal[data-reveal]:nth-child(1) {
  transition-delay: 0ms;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}