:root {
  --tx-bg: #060a10;
  --tx-bg-soft: #0c1220;
  --tx-green-deep: #0b2e1c;
  --tx-green: #1a6b3a;
  --tx-green-bright: #22c55e;
  --tx-gold: #e8c56a;
  --tx-gold-soft: #f5e6b8;
  --tx-text: #1a2332;
  --tx-text-muted: #5c6b7f;
  --tx-surface: #ffffff;
  --tx-surface-muted: #eef2f7;
  --tx-border: rgba(15, 23, 42, 0.1);
  --tx-shadow: 0 22px 60px rgba(6, 10, 16, 0.18);
  --tx-font: "Noto Sans JP", "Hiragino Sans", "Yu Gothic", sans-serif;
  --tx-radius: 18px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--tx-font);
  color: var(--tx-text);
  background: var(--tx-surface-muted);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

.tx-topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  background: rgba(6, 10, 16, 0.82);
  border-bottom: 1px solid rgba(232, 197, 106, 0.18);
}

.tx-topbar__inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0.85rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.tx-backlink {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.82rem;
  font-weight: 600;
  text-decoration: none;
  letter-spacing: 0.02em;
  transition: color 0.15s ease;
}

.tx-backlink:hover {
  color: var(--tx-gold);
  text-decoration: none;
}

.tx-topbar__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.55rem 1.1rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--tx-green), var(--tx-green-deep));
  border: 1px solid rgba(232, 197, 106, 0.35);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.25);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.tx-topbar__cta:hover {
  transform: translateY(-1px);
  color: #fff;
  text-decoration: none;
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.32);
}

.tx-hero {
  position: relative;
  overflow: hidden;
  color: #fff;
  min-height: auto;
  display: flex;
  align-items: center;
  background:
    linear-gradient(115deg, rgba(6, 10, 16, 0.92) 0%, rgba(11, 46, 28, 0.78) 42%, rgba(6, 10, 16, 0.88) 100%),
    url("/chess-board.jpg") center/cover no-repeat;
}

.tx-hero__grid {
  position: absolute;
  inset: 0;
  opacity: 0.22;
  background-image:
    linear-gradient(rgba(232, 197, 106, 0.14) 1px, transparent 1px),
    linear-gradient(90deg, rgba(232, 197, 106, 0.14) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 90% 80% at 50% 40%, #000 20%, transparent 100%);
  pointer-events: none;
}

.tx-hero__grit {
  position: absolute;
  inset: 0;
  opacity: 0.08;
  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='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  pointer-events: none;
}

.tx-hero__inner {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 4.5rem 1.25rem 5rem;
  text-align: left;
}

.tx-hero__kicker {
  position: absolute;
  top: 4.5rem;
  right: 1.25rem;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0;
  padding: 0.55rem 1rem;
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: #fff;
  background: rgba(34, 197, 94, 0.16);
  border: 1px solid rgba(34, 197, 94, 0.35);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
  max-width: calc(100% - 2.5rem);
}

.tx-hero__kicker i {
  color: var(--tx-gold);
  flex-shrink: 0;
}

.tx-hero__content {
  width: 100%;
  max-width: none;
}

.tx-hero__head {
  padding-right: min(18rem, 38vw);
}

.tx-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 1.25rem;
}

.tx-brand__logo-wrap {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 88px;
  height: 88px;
  border-radius: 20px;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.16), rgba(255, 255, 255, 0.06));
  border: 1px solid rgba(232, 197, 106, 0.35);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.35);
  flex-shrink: 0;
}

.tx-brand__logo {
  width: 72px;
  height: 72px;
  display: block;
}

.tx-brand__text {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.tx-brand__name {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 900;
  letter-spacing: 0.18em;
  line-height: 1;
  color: #fff;
}

.tx-brand__tag {
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.72);
  font-weight: 600;
  line-height: 1.45;
  max-width: none;
}

.tx-hero h1 {
  font-size: clamp(2rem, 3.8vw, 3.5rem);
  font-weight: 900;
  line-height: 1.22;
  margin: 0 0 1rem;
  letter-spacing: -0.02em;
}

.tx-hero__title-line {
  display: block;
}

.tx-hero__title-accent {
  display: block;
  color: var(--tx-gold-soft);
  white-space: nowrap;
}

.tx-hero h1 em {
  font-style: normal;
  color: var(--tx-gold-soft);
}

.tx-hero__lead {
  width: 100%;
  max-width: none;
  font-size: 1.12rem;
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.78);
  margin: 0 0 1.75rem;
}

.tx-hero__lead-line {
  display: block;
}

.tx-hero__lead-line + .tx-hero__lead-line {
  margin-top: 0.35rem;
}

.tx-hero__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 2rem;
}

.tx-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.5rem 0.9rem;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 700;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.tx-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.tx-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.9rem 1.5rem;
  border-radius: 999px;
  font-weight: 800;
  font-size: 0.95rem;
  text-decoration: none;
  border: 0;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.tx-btn:hover {
  transform: translateY(-2px);
  text-decoration: none;
}

.tx-btn--primary {
  background: linear-gradient(135deg, var(--tx-gold) 0%, #c9a227 100%);
  color: #1a1205;
  box-shadow: 0 14px 36px rgba(232, 197, 106, 0.28);
}

.tx-btn--primary:hover {
  color: #1a1205;
}

.tx-btn--ghost {
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.tx-btn--ghost:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
}

.tx-section {
  max-width: 1180px;
  margin: 0 auto;
  padding: 4.5rem 1.25rem;
}

.tx-section--dark {
  background:
    radial-gradient(ellipse 70% 60% at 10% 0%, rgba(26, 107, 58, 0.18), transparent 55%),
    linear-gradient(180deg, var(--tx-bg) 0%, var(--tx-bg-soft) 100%);
  color: #fff;
  max-width: none;
}

.tx-section--dark .tx-section__inner {
  max-width: 1180px;
  margin: 0 auto;
}

.tx-section__eyebrow {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--tx-green-bright);
  margin-bottom: 0.75rem;
}

.tx-section--dark .tx-section__eyebrow {
  color: var(--tx-gold);
}

.tx-section h2 {
  font-size: clamp(1.6rem, 3vw, 2.35rem);
  font-weight: 900;
  line-height: 1.25;
  margin: 0 0 1rem;
}

.tx-section__lead {
  max-width: 42rem;
  color: var(--tx-text-muted);
  margin: 0 0 2.5rem;
}

.tx-section--dark .tx-section__lead {
  color: rgba(255, 255, 255, 0.72);
}

.tx-pillars {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 768px) {
  .tx-pillars {
    grid-template-columns: repeat(3, 1fr);
  }
}

.tx-pillar {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(232, 197, 106, 0.16);
  border-radius: var(--tx-radius);
  padding: 1.5rem;
  position: relative;
  overflow: hidden;
}

.tx-pillar::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 88px;
  height: 88px;
  background: linear-gradient(225deg, rgba(232, 197, 106, 0.12), transparent 70%);
  pointer-events: none;
}

.tx-pillar__icon {
  width: 3rem;
  height: 3rem;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  background: linear-gradient(145deg, var(--tx-green-deep), var(--tx-green));
  color: var(--tx-gold);
  border: 1px solid rgba(232, 197, 106, 0.35);
  font-size: 1.2rem;
}

.tx-pillar h3 {
  margin: 0 0 0.65rem;
  font-size: 1.15rem;
  font-weight: 800;
}

.tx-pillar p {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.95rem;
}

.tx-shot-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 768px) {
  .tx-shot-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1100px) {
  .tx-shot-grid--trio {
    grid-template-columns: 1.2fr 0.9fr 0.9fr;
  }
}

.tx-shot {
  background: var(--tx-surface);
  border-radius: var(--tx-radius);
  border: 1px solid var(--tx-border);
  box-shadow: var(--tx-shadow);
  overflow: hidden;
}

.tx-shot__label {
  padding: 0.85rem 1rem 0;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--tx-green);
}

.tx-shot .qs-figure {
  margin: 0;
}

.tx-shot .qs-figure__img {
  width: 100%;
  display: block;
}

.tx-shot .qs-figure__caption {
  padding: 0.85rem 1rem 1rem;
  font-size: 0.88rem;
  color: var(--tx-text-muted);
}

.tx-pricing__banner {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.9rem 1.1rem;
  margin-bottom: 1.75rem;
  border-radius: 14px;
  background: rgba(26, 107, 58, 0.1);
  border: 1px solid rgba(26, 107, 58, 0.22);
  color: var(--tx-green-deep);
  font-weight: 700;
  font-size: 0.95rem;
}

.tx-pricing__banner i {
  color: var(--tx-green);
  font-size: 1.15rem;
}

.tx-pricing__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.tx-pricing__grid--plans {
  align-items: stretch;
}

@media (min-width: 720px) {
  .tx-pricing__grid {
    grid-template-columns: repeat(2, 1fr);
    align-items: stretch;
    max-width: 820px;
    margin-inline: auto;
  }

  .tx-pricing__grid--plans {
    max-width: 1080px;
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .tx-pricing__grid--plans {
    max-width: 960px;
    margin-inline: auto;
    grid-template-columns: repeat(3, 1fr);
  }
}

.tx-pricing__intro-label {
  margin: 0 0 0.5rem;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--tx-green-deep);
  text-align: center;
}

.tx-pricing__staff-note {
  margin: 0 0 1.25rem;
  padding: 0.75rem 1rem;
  border-radius: 12px;
  background: var(--tx-surface-muted);
  border: 1px solid var(--tx-border);
  font-size: 0.85rem;
  line-height: 1.65;
  color: var(--tx-text-muted);
  text-align: center;
}

.tx-pricing__staff-note i {
  color: var(--tx-green);
  margin-right: 0.35rem;
}

.tx-pricing-card {
  background: var(--tx-surface);
  border: 1px solid var(--tx-border);
  border-radius: var(--tx-radius);
  box-shadow: var(--tx-shadow);
  padding: 1.5rem 1.35rem 1.35rem;
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 100%;
}

.tx-pricing-card--featured {
  border-color: rgba(26, 107, 58, 0.35);
  box-shadow: 0 22px 60px rgba(26, 107, 58, 0.12);
}

.tx-pricing-card__top {
  flex: 1 1 auto;
  min-height: 4.75rem;
}

.tx-pricing-card__name {
  margin: 0 0 0.35rem;
  font-size: 1.35rem;
  font-weight: 900;
  letter-spacing: 0.04em;
  line-height: 1.2;
}

.tx-pricing-card__staff {
  margin: 0;
  color: var(--tx-text-muted);
  font-size: 0.92rem;
  font-weight: 600;
  line-height: 1.45;
}

.tx-pricing-card__staff i {
  color: var(--tx-green);
  margin-right: 0.35rem;
}

.tx-pricing-card__prices {
  display: grid;
  gap: 0.85rem;
  margin-bottom: 1rem;
}

.tx-pricing-card__annual {
  position: relative;
  padding: 1rem;
  border-radius: 14px;
  background: linear-gradient(145deg, rgba(26, 107, 58, 0.08), rgba(26, 107, 58, 0.03));
  border: 1px solid rgba(26, 107, 58, 0.18);
}

.tx-pricing-card__monthly {
  padding: 0.85rem 1rem;
  border-radius: 14px;
  background: var(--tx-surface-muted);
  border: 1px solid var(--tx-border);
}

.tx-pricing-card__title-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem 0.5rem;
  margin-bottom: 0.35rem;
}

.tx-pricing-card__title-row .tx-pricing-card__name {
  margin: 0;
}

.tx-pricing-card__badge {
  display: inline-block;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  background: var(--tx-green);
  color: #fff;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  line-height: 1.2;
  white-space: nowrap;
}

.tx-pricing-card__badge--preparing {
  background: rgba(201, 162, 39, 0.22);
  color: #7a5f0a;
  border: 1px solid rgba(201, 162, 39, 0.45);
}

.tx-pricing-card--preparing .tx-pricing-card__price-primary {
  opacity: 0.72;
}

.tx-pricing-card--preparing .tx-pricing-card__note {
  color: var(--tx-text-muted);
  font-weight: 400;
  opacity: 0.65;
}

.tx-pricing-card__label {
  display: block;
  margin-bottom: 0.25rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--tx-text-muted);
}

.tx-pricing-card__amount {
  display: block;
  font-size: 1.65rem;
  font-weight: 900;
  line-height: 1.1;
  color: var(--tx-text);
}

.tx-pricing-card__amount--sub {
  font-size: 1.25rem;
  color: var(--tx-text-muted);
}

.tx-pricing-card__term {
  display: block;
  margin-top: 0.15rem;
  font-size: 0.82rem;
  color: var(--tx-text-muted);
}

.tx-pricing-card__equiv {
  display: block;
  margin-top: 0.45rem;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--tx-green);
}

.tx-pricing-card__save {
  margin: 0;
  font-size: 0.88rem;
  color: var(--tx-text-muted);
}

.tx-pricing-card__save strong {
  color: var(--tx-green-deep);
}

.tx-pricing-card__note {
  flex: 0 0 auto;
  margin: 0.75rem 0 0;
  min-height: 1.25rem;
  font-size: 0.78rem;
  line-height: 1.25rem;
  text-align: center;
  color: var(--tx-text-muted);
}

.tx-pricing-card__price-primary {
  flex: 0 0 auto;
  margin-top: 1rem;
  min-height: 5.25rem;
  padding: 1rem;
  border-radius: 14px;
  background: linear-gradient(145deg, rgba(26, 107, 58, 0.08), rgba(26, 107, 58, 0.02));
  border: 1px solid rgba(26, 107, 58, 0.2);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.tx-pricing-card__price-primary .tx-pricing-card__amount {
  font-size: clamp(1.45rem, 1.6vw + 0.85rem, 1.85rem);
  color: var(--tx-green-deep);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
  white-space: nowrap;
}

.tx-pricing-card__price-primary .tx-pricing-card__term {
  margin-top: 0.2rem;
}

.tx-pricing-annual {
  margin-top: 2rem;
  padding: 1.5rem 1.35rem;
  border-radius: var(--tx-radius);
  background: linear-gradient(160deg, rgba(201, 162, 39, 0.1), rgba(26, 107, 58, 0.06));
  border: 1px solid rgba(201, 162, 39, 0.28);
  box-shadow: var(--tx-shadow);
}

.tx-pricing-annual__head h3 {
  margin: 0.35rem 0 0.65rem;
  font-size: 1.15rem;
  font-weight: 900;
  color: var(--tx-text);
}

.tx-pricing-annual__head p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--tx-text-muted);
}

.tx-pricing-annual__eyebrow {
  display: inline-block;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  background: rgba(201, 162, 39, 0.18);
  color: #8a6d12;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.06em;
}

.tx-pricing-annual__table-wrap {
  margin-top: 1.25rem;
  overflow-x: auto;
  border-radius: 12px;
  border: 1px solid rgba(26, 107, 58, 0.15);
  background: var(--tx-surface);
}

.tx-pricing-annual__table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.tx-pricing-annual__table th,
.tx-pricing-annual__table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--tx-border);
  text-align: left;
}

.tx-pricing-annual__table th {
  background: var(--tx-surface-muted);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--tx-text-muted);
}

.tx-pricing-annual__table tbody tr:last-child td {
  border-bottom: none;
}

.tx-pricing-annual__num {
  text-align: right;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.tx-pricing-annual__save {
  font-weight: 800;
  color: var(--tx-green-deep);
}

.tx-pricing-annual__monthly {
  color: var(--tx-text-muted);
  font-weight: 600;
}

.tx-pricing-annual__annual {
  font-weight: 800;
  color: var(--tx-green-deep);
}

.tx-pricing-annual__row--preparing .tx-pricing-annual__annual,
.tx-pricing-annual__row--preparing .tx-pricing-annual__save {
  color: var(--tx-text-muted);
  font-weight: 600;
}

.tx-pricing-annual__badge {
  display: inline-block;
  margin-left: 0.35rem;
  padding: 0.12rem 0.45rem;
  border-radius: 999px;
  background: rgba(201, 162, 39, 0.18);
  color: #7a5f0a;
  border: 1px solid rgba(201, 162, 39, 0.4);
  font-size: 0.65rem;
  font-weight: 800;
  vertical-align: middle;
}

.tx-pricing-annual__row--preparing td {
  color: var(--tx-text-muted);
}

.tx-pricing-annual__footnote {
  margin: 1rem 0 0;
  font-size: 0.82rem;
  line-height: 1.65;
  color: var(--tx-text-muted);
}

.tx-pricing-annual__footnote i {
  color: var(--tx-green);
  margin-right: 0.35rem;
}

.tx-pricing-inquiry {
  display: flex;
  gap: 1rem;
  margin-top: 1.5rem;
  padding: 1.25rem 1.35rem;
  border-radius: var(--tx-radius);
  background: var(--tx-surface-muted);
  border: 1px dashed rgba(26, 107, 58, 0.28);
}

.tx-pricing-inquiry__icon {
  flex-shrink: 0;
  width: 2.5rem;
  height: 2.5rem;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: rgba(26, 107, 58, 0.1);
  color: var(--tx-green);
  font-size: 1.1rem;
}

.tx-pricing-inquiry__body h3 {
  margin: 0 0 0.5rem;
  font-size: 1rem;
  font-weight: 800;
}

.tx-pricing-inquiry__body p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--tx-text-muted);
}

.tx-pricing-inquiry__body a {
  color: var(--tx-green-deep);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

.tx-pricing-inquiry__note {
  margin-top: 0.65rem !important;
  font-size: 0.82rem !important;
}

.tx-pricing-inquiry__note i {
  color: var(--tx-green);
  margin-right: 0.35rem;
}

.tx-pricing__footnotes {
  margin: 1.75rem 0 0;
  padding-left: 1.2rem;
  color: var(--tx-text-muted);
  font-size: 0.85rem;
  line-height: 1.7;
}

.tx-pricing__footnotes li + li {
  margin-top: 0.35rem;
}

.tx-pricing__cta {
  margin-top: 2rem;
  text-align: center;
}

.tx-chess-band {
  position: relative;
  overflow: hidden;
  padding: 3.5rem 1.25rem;
  background:
    linear-gradient(90deg, rgba(6, 10, 16, 0.94), rgba(11, 46, 28, 0.88)),
    url("/chess-board.jpg") center/cover fixed;
  color: #fff;
  text-align: center;
}

.tx-chess-band__grid {
  position: absolute;
  inset: 0;
  opacity: 0.18;
  background-image:
    linear-gradient(rgba(232, 197, 106, 0.2) 1px, transparent 1px),
    linear-gradient(90deg, rgba(232, 197, 106, 0.2) 1px, transparent 1px);
  background-size: 40px 40px;
}

.tx-chess-band__inner {
  position: relative;
  z-index: 1;
  max-width: 760px;
  margin: 0 auto;
}

.tx-chess-band h2 {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 900;
  margin: 0 0 0.85rem;
}

.tx-chess-band p {
  margin: 0 0 1.75rem;
  color: rgba(255, 255, 255, 0.78);
}

.tx-cta {
  max-width: 1180px;
  margin: 0 auto;
  padding: 4rem 1.25rem 5rem;
}

.tx-cta__card {
  border-radius: 24px;
  padding: 2.5rem 1.75rem;
  background:
    radial-gradient(circle at top right, rgba(232, 197, 106, 0.18), transparent 42%),
    linear-gradient(145deg, var(--tx-green-deep), #081018 55%, var(--tx-bg-soft));
  color: #fff;
  border: 1px solid rgba(232, 197, 106, 0.28);
  box-shadow: var(--tx-shadow);
  display: grid;
  gap: 1.5rem;
  align-items: center;
}

@media (min-width: 768px) {
  .tx-cta__card {
    grid-template-columns: 1fr auto;
    padding: 2.75rem 2.5rem;
  }
}

.tx-cta__card h2 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.45rem, 3vw, 2rem);
  font-weight: 900;
}

.tx-cta__card p {
  margin: 0;
  color: rgba(255, 255, 255, 0.76);
}

.tx-footer {
  background: var(--tx-bg);
  color: rgba(255, 255, 255, 0.72);
  padding: 2rem 1.25rem;
  border-top: 1px solid rgba(232, 197, 106, 0.16);
}

.tx-footer__inner {
  max-width: 1180px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.tx-footer__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: #fff;
}

.tx-footer__brand img {
  width: 28px;
  height: 28px;
}

.tx-footer a {
  color: var(--tx-gold);
  text-decoration: none;
  font-weight: 600;
}

.tx-footer a:hover {
  text-decoration: underline;
}

/* FAQ（SEO / AI 向けコンテンツ） */
.tx-faq {
  background: var(--tx-surface);
}

.tx-faq__list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-width: 820px;
}

.tx-faq__item {
  border: 1px solid var(--tx-border);
  border-radius: var(--tx-radius);
  background: var(--tx-surface-muted);
  padding: 0 1.15rem;
}

.tx-faq__item summary {
  cursor: pointer;
  font-weight: 700;
  padding: 1rem 0;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.tx-faq__item summary::-webkit-details-marker {
  display: none;
}

.tx-faq__item summary::after {
  content: "+";
  flex-shrink: 0;
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--tx-green);
  line-height: 1;
}

.tx-faq__item[open] summary::after {
  content: "−";
}

.tx-faq__item p {
  margin: 0 0 1.1rem;
  color: var(--tx-text-muted);
  font-size: 0.95rem;
}

.tx-faq__item a {
  color: var(--tx-green);
  font-weight: 600;
}

@media (max-width: 767.98px) {
  .tx-hero__kicker {
    position: static;
    margin-bottom: 1.25rem;
    max-width: none;
  }

  .tx-hero__head {
    padding-right: 0;
  }
}

@media (max-width: 575.98px) {
  .tx-hero__title-accent {
    white-space: normal;
  }
}

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

  .tx-btn:hover,
  .tx-topbar__cta:hover {
    transform: none;
  }
}