/* EON Landing Page shared design system — matches the renewed top-page (Quiet Conviction, 2026-06).
   Paper × sumi, Shippori Mincho B1 + Noto Sans JP. Used by /goglobal and /ai-advisory. */
:root {
  --paper: #fbfaf7;
  --paper-soft: #f3f1ec;
  --sumi: #18170f;
  --sumi-soft: rgba(24, 23, 15, 0.62);
  --sumi-faint: rgba(24, 23, 15, 0.42);
  --indigo: #33466e;
  --hairline: rgba(24, 23, 15, 0.14);
  --night: #0e0d09;
  --sans: "Noto Sans JP", "Hiragino Sans", sans-serif;
  --serif: "Shippori Mincho B1", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

* { box-sizing: border-box; }

html {
  overflow-x: clip;
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  overflow-x: clip;
  background: var(--paper);
  color: var(--sumi);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
  line-height: 1.7;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.wrap { max-width: 1280px; margin: 0 auto; }

/* ── Navigation ── */
.lp-nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px clamp(18px, 3vw, 46px);
  background: rgba(251, 250, 247, 0.86);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--hairline);
}

.lp-nav__logo {
  display: grid;
  place-items: center;
  width: clamp(58px, 5vw, 76px);
  height: clamp(58px, 5vw, 76px);
}

.lp-nav__logo img { width: 100%; height: 100%; object-fit: contain; }

.lp-nav__links {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2vw, 28px);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.lp-nav__links a { transition: color 0.2s ease; }
.lp-nav__links a:hover { color: var(--indigo); }

.lp-nav__cta {
  padding: 9px 18px;
  border: 1px solid var(--sumi);
  border-radius: 999px;
  letter-spacing: 0.04em;
  transition: background 0.2s ease, color 0.2s ease;
}
.lp-nav__links a.lp-nav__cta:hover { background: var(--sumi); color: var(--paper); }

/* ── Hero (typographic / image-light — deliberately distinct from the top page) ── */
.lp-hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 92svh;
  padding: clamp(128px, 18vh, 200px) clamp(20px, 4vw, 64px) clamp(56px, 8vh, 96px);
  overflow: clip;
  border-bottom: 1px solid var(--hairline);
}

/* Oversized faint wordmark drawn in CSS — the hero's only "art", no image. */
.lp-hero__mark {
  position: absolute;
  right: clamp(-12px, -1vw, 0px);
  bottom: clamp(-2vw, -1vw, 0px);
  z-index: 0;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(96px, 22vw, 360px);
  font-weight: 800;
  line-height: 0.82;
  letter-spacing: -0.02em;
  color: rgba(24, 23, 15, 0.045);
  text-align: right;
  white-space: nowrap;
  pointer-events: none;
  user-select: none;
}

.lp-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(22px, 3vh, 34px);
  max-width: 940px;
}

/* Index label above the title — reads as a service/proposal page, not the brand poster. */
.lp-hero__index {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 0;
  color: var(--sumi-soft);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.28em;
  text-transform: uppercase;
}
.lp-hero__index::before {
  content: "";
  width: clamp(40px, 6vw, 88px);
  height: 1px;
  background: var(--sumi);
}

.lp-hero__kicker {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  margin: 0;
  color: var(--sumi-soft);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.lp-hero__title {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(44px, 6.4vw, 92px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0.01em;
  word-break: keep-all;
  overflow-wrap: normal;
}

.lp-hero__lead {
  max-width: 32em;
  margin: 0;
  color: var(--sumi-soft);
  font-size: clamp(15px, 1.3vw, 18px);
  font-weight: 500;
  line-height: 2;
  word-break: keep-all;
  overflow-wrap: normal;
}

.lp-hero__actions { display: flex; flex-wrap: wrap; gap: 12px; }

.lp-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 30px;
  border: 1px solid var(--sumi);
  border-radius: 999px;
  background: var(--sumi);
  color: var(--paper);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}
.lp-btn:hover { background: var(--indigo); border-color: var(--indigo); }

.lp-btn--ghost { background: transparent; color: var(--sumi); }
.lp-btn--ghost:hover { background: var(--sumi); color: var(--paper); }

.lp-hero__tags { display: flex; flex-wrap: wrap; gap: 8px; }
.lp-hero__tags span {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 14px;
  border: 1px solid var(--hairline);
  border-radius: 999px;
  color: var(--sumi-soft);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

/* ── Fact bar (static; replaces the top page's animated ticker) ── */
.lp-factbar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  background: var(--sumi);
  color: var(--paper);
}
.lp-factbar__item {
  padding: clamp(22px, 2.6vw, 34px) clamp(24px, 3vw, 40px);
  border-right: 1px solid rgba(251, 250, 247, 0.16);
}
.lp-factbar__item:last-child { border-right: 0; }
.lp-factbar__item span {
  display: block;
  margin-bottom: 8px;
  color: rgba(251, 250, 247, 0.55);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}
.lp-factbar__item strong {
  display: block;
  font-family: var(--serif);
  font-size: clamp(17px, 1.8vw, 24px);
  font-weight: 700;
  line-height: 1.4;
}

/* ── Section scaffolding ── */
.lp-section {
  position: relative;
  padding: clamp(80px, 11vw, 150px) clamp(20px, 4vw, 64px);
  border-top: 1px solid var(--hairline);
}
.lp-section--dark { background: var(--sumi); color: var(--paper); border-top: 0; }
.lp-section--soft { background: var(--paper-soft); }

.lp-kicker {
  display: inline-block;
  margin-bottom: 20px;
  color: var(--sumi-soft);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.26em;
  text-transform: uppercase;
}
.lp-kicker::before {
  content: "";
  display: inline-block;
  width: 28px;
  height: 1px;
  margin-right: 12px;
  vertical-align: middle;
  background: currentColor;
}
.lp-section--dark .lp-kicker { color: rgba(251, 250, 247, 0.66); }

.lp-h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(28px, 3.8vw, 58px);
  font-weight: 700;
  line-height: 1.34;
  word-break: keep-all;
  overflow-wrap: normal;
  text-wrap: balance;
}
.lp-lead {
  max-width: 40em;
  margin: 24px 0 0;
  color: var(--sumi-soft);
  font-size: clamp(14px, 1.2vw, 17px);
  font-weight: 500;
  line-height: 2.1;
}
.lp-section--dark .lp-lead { color: rgba(251, 250, 247, 0.72); }

.lp-head { max-width: 1280px; margin: 0 auto clamp(48px, 6vw, 80px); }

/* ── Big stat ── */
.lp-stat {
  font-family: var(--serif);
  font-weight: 700;
  line-height: 1;
}
.lp-stat__num { font-size: clamp(56px, 9vw, 132px); display: block; }
.lp-stat__label { display: block; margin-top: 14px; font-family: var(--sans); font-size: 13px; font-weight: 600; color: var(--sumi-soft); letter-spacing: 0.04em; line-height: 1.7; }
.lp-stat__src { display: block; margin-top: 10px; font-family: var(--sans); font-size: 11px; font-weight: 500; color: var(--sumi-faint); letter-spacing: 0.02em; }

/* ── Generic grid of bordered cards ── */
.lp-grid { max-width: 1280px; margin: 0 auto; display: grid; gap: 14px; }
.lp-grid--2 { grid-template-columns: repeat(2, 1fr); }
.lp-grid--3 { grid-template-columns: repeat(3, 1fr); }
.lp-grid--4 { grid-template-columns: repeat(4, 1fr); }

.lp-card {
  position: relative;
  padding: clamp(24px, 3vw, 40px);
  border: 1px solid var(--hairline);
  background: var(--paper);
  transition: border-color 0.25s ease, transform 0.25s var(--ease);
}
.lp-card:hover { border-color: var(--indigo); transform: translateY(-2px); }
.lp-section--dark .lp-card { background: transparent; border-color: rgba(251, 250, 247, 0.2); }
.lp-section--dark .lp-card:hover { border-color: rgba(251, 250, 247, 0.5); }

.lp-card__tag {
  display: block;
  margin-bottom: 16px;
  color: var(--sumi-soft);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}
.lp-section--dark .lp-card__tag { color: rgba(251, 250, 247, 0.6); }
.lp-card__num {
  display: block;
  margin-bottom: 18px;
  font-family: var(--serif);
  font-size: clamp(34px, 4vw, 56px);
  font-weight: 700;
  line-height: 1;
}
.lp-card h3 {
  margin: 0 0 14px;
  font-family: var(--serif);
  font-size: clamp(19px, 1.9vw, 28px);
  font-weight: 700;
  line-height: 1.42;
  word-break: keep-all;
}
.lp-card p {
  margin: 0;
  color: var(--sumi-soft);
  font-size: 14px;
  font-weight: 500;
  line-height: 2;
}
.lp-section--dark .lp-card p { color: rgba(251, 250, 247, 0.72); }
.lp-card ul { margin: 12px 0 0; padding: 0; list-style: none; }
.lp-card li {
  position: relative;
  padding-left: 18px;
  color: var(--sumi-soft);
  font-size: 13.5px;
  font-weight: 500;
  line-height: 1.95;
}
.lp-card li::before { content: ""; position: absolute; left: 0; top: 0.85em; width: 8px; height: 1px; background: var(--sumi); }
.lp-section--dark .lp-card li { color: rgba(251, 250, 247, 0.72); }
.lp-section--dark .lp-card li::before { background: var(--paper); }

/* ── Callout band ── */
.lp-callout {
  max-width: 1280px;
  margin: clamp(40px, 5vw, 64px) auto 0;
  padding: clamp(28px, 4vw, 48px) clamp(24px, 4vw, 56px);
  background: var(--sumi);
  color: var(--paper);
  font-family: var(--serif);
  font-size: clamp(20px, 2.4vw, 34px);
  font-weight: 700;
  line-height: 1.6;
  word-break: keep-all;
}
.lp-callout em { font-style: normal; color: #fff; border-bottom: 2px solid rgba(251,250,247,0.5); padding-bottom: 2px; }

/* ── Flow / chain ── */
.lp-flow {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
}
.lp-flow__step {
  position: relative;
  padding: clamp(22px, 2.6vw, 34px);
  border: 1px solid var(--hairline);
  background: var(--paper);
}
.lp-flow__step span {
  display: block; margin-bottom: 12px;
  color: var(--sumi-soft); font-size: 11px; font-weight: 700; letter-spacing: 0.2em; text-transform: uppercase;
}
.lp-flow__step strong { display: block; margin-bottom: 8px; font-family: var(--serif); font-size: clamp(18px, 1.8vw, 24px); font-weight: 700; }
.lp-flow__step p { margin: 0; color: var(--sumi-soft); font-size: 13px; line-height: 1.9; }

/* ── Comparison / data table ── */
.lp-table-wrap { max-width: 1280px; margin: 0 auto; overflow-x: auto; }
.lp-table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.lp-table thead th {
  background: var(--sumi);
  color: var(--paper);
  font-weight: 700;
  text-align: left;
  padding: 16px 18px;
  letter-spacing: 0.03em;
}
.lp-table tbody th {
  text-align: left;
  font-weight: 700;
  padding: 16px 18px;
  border-bottom: 1px solid var(--hairline);
  color: var(--sumi);
  white-space: nowrap;
}
.lp-table td {
  padding: 16px 18px;
  border-bottom: 1px solid var(--hairline);
  color: var(--sumi-soft);
  font-weight: 500;
  line-height: 1.7;
  vertical-align: top;
}
.lp-table col.is-em, .lp-table .is-em { background: var(--paper-soft); }
.lp-table td.is-em { color: var(--sumi); font-weight: 700; }
.lp-table thead th.is-em { background: var(--indigo); }
.lp-table__note { max-width: 1280px; margin: 18px auto 0; color: var(--sumi-faint); font-size: 12px; line-height: 1.8; }

/* ── FAQ ── */
.lp-faq { max-width: 1080px; margin: 0 auto; display: grid; gap: 0; border-top: 1px solid var(--hairline); }
.lp-faq__item { padding: clamp(24px, 3vw, 36px) 0; border-bottom: 1px solid var(--hairline); }
.lp-faq__q { display: flex; gap: 14px; font-family: var(--serif); font-size: clamp(17px, 1.7vw, 22px); font-weight: 700; line-height: 1.5; }
.lp-faq__q::before { content: "Q"; color: var(--indigo); font-weight: 700; }
.lp-faq__a { margin: 14px 0 0 28px; color: var(--sumi-soft); font-size: 14px; font-weight: 500; line-height: 2; }

/* ── Conversion (dark) ── */
.lp-cta { text-align: center; }
.lp-cta .lp-kicker { color: rgba(251, 250, 247, 0.66); }
.lp-cta h2 {
  max-width: 20em;
  margin: 0 auto;
  font-family: var(--serif);
  font-size: clamp(28px, 4vw, 58px);
  font-weight: 700;
  line-height: 1.46;
  color: var(--paper);
  text-wrap: balance;
  word-break: keep-all;
}
.lp-cta__lead { max-width: 40em; margin: 24px auto 0; color: rgba(251,250,247,0.74); font-size: clamp(14px,1.2vw,17px); line-height: 2.1; }
.lp-cta__options {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  max-width: 980px;
  margin: clamp(44px, 6vw, 72px) auto 0;
  text-align: left;
}
.lp-cta__option { padding: clamp(26px, 3vw, 40px); border: 1px solid rgba(251,250,247,0.22); }
.lp-cta__option span { display: block; margin-bottom: 14px; color: rgba(251,250,247,0.6); font-size: 11px; font-weight: 700; letter-spacing: 0.2em; text-transform: uppercase; }
.lp-cta__option h3 { margin: 0 0 12px; font-family: var(--serif); font-size: clamp(20px,2.2vw,28px); font-weight: 700; color: var(--paper); }
.lp-cta__option p { margin: 0 0 22px; color: rgba(251,250,247,0.72); font-size: 14px; line-height: 2; }
.lp-cta__option .lp-btn { background: var(--paper); color: var(--sumi); border-color: var(--paper); }
.lp-cta__option .lp-btn:hover { background: var(--indigo); border-color: var(--indigo); color: var(--paper); }
.lp-cta__single { margin: clamp(40px,5vw,64px) auto 0; }

/* ── Company ── */
.lp-company { max-width: 1080px; margin: 0 auto; }
.lp-company dl { margin: clamp(32px,4vw,48px) 0 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; border: 1px solid var(--hairline); background: var(--hairline); }
.lp-company dl > div { background: var(--paper); padding: 22px clamp(20px,2.4vw,32px); }
.lp-company dt { color: var(--sumi-soft); font-size: 11px; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase; margin-bottom: 8px; }
.lp-company dd { margin: 0; font-size: 14px; font-weight: 500; line-height: 1.8; }

/* ── Footer ── */
.lp-footer {
  position: relative;
  display: grid;
  grid-template-rows: 1fr auto;
  min-height: clamp(380px, 56vh, 600px);
  background: var(--night);
  color: rgba(251, 250, 247, 0.62);
}
.lp-footer__statement {
  display: grid;
  align-content: center;
  justify-items: center;
  gap: 26px;
  padding: clamp(64px, 10vw, 120px) clamp(20px, 4vw, 64px) clamp(40px, 6vw, 72px);
  text-align: center;
}
.lp-footer__statement p {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(34px, 5vw, 72px);
  font-weight: 700;
  line-height: 1.4;
  color: var(--paper);
  word-break: keep-all;
}
.lp-footer__statement a {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  padding: 0 26px;
  border: 1px solid rgba(251, 250, 247, 0.4);
  border-radius: 999px;
  color: var(--paper);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  transition: background 0.25s ease, color 0.25s ease;
}
.lp-footer__statement a:hover { background: var(--paper); color: var(--sumi); }
.lp-footer__bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding: 22px clamp(20px, 4vw, 64px);
  border-top: 1px solid rgba(251, 250, 247, 0.14);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
}
.lp-footer__links { display: flex; gap: 18px; }
.lp-footer__links a { color: rgba(251, 250, 247, 0.62); text-transform: uppercase; transition: color 0.2s ease; }
.lp-footer__links a:hover { color: #fff; }

/* ── Reveal on scroll ── */
[data-reveal] { opacity: 0; transform: translateY(20px); transition: opacity 0.7s ease, transform 0.7s var(--ease); }
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }
[data-reveal]:nth-child(2) { transition-delay: 0.08s; }
[data-reveal]:nth-child(3) { transition-delay: 0.16s; }
[data-reveal]:nth-child(4) { transition-delay: 0.24s; }

/* ── Responsive ── */
@media (max-width: 900px) {
  .lp-hero { min-height: auto; padding-top: clamp(112px, 16vh, 160px); }
  .lp-hero__mark { font-size: clamp(80px, 30vw, 200px); opacity: 0.8; }
  .lp-grid--2, .lp-grid--3, .lp-grid--4 { grid-template-columns: 1fr; }
  .lp-cta__options { grid-template-columns: 1fr; }
  .lp-company dl { grid-template-columns: 1fr; }
  .lp-nav__links { gap: 12px; font-size: 11px; }
}

@media (max-width: 600px) {
  .lp-nav__links a:not(.lp-nav__cta) { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}