.container {
  width: min(100% - 2rem, var(--max-width));
  margin-inline: auto;
}

.section {
  padding: var(--space-section) 0;
  position: relative;
}

.section > .container > h2 {
  position: relative;
  display: inline-block;
  max-width: 100%;
  padding-bottom: 0.85rem;
  margin-bottom: 1.1rem;
}

.section > .container > h2::after {
  content: "";
  display: block;
  width: 2.5rem;
  height: 1.5px;
  margin-top: 0.75rem;
  background: linear-gradient(
    90deg,
    var(--color-brand-gold) 0%,
    rgba(158, 137, 61, 0.15) 100%
  );
  opacity: var(--gold-rule-scope, 1);
}

.section > .container > .eyebrow + h2 {
  margin-top: 0.15rem;
}

.section--dark {
  background: var(--dark-tone, var(--color-dark-surface));
  color: var(--color-dark-text);
  padding-block: var(--dark-section-space, var(--space-section));
}

.section--dark h2,
.section--dark h3 {
  color: var(--color-dark-text);
}

.section--dark > .container > h2::after {
  background: linear-gradient(
    90deg,
    var(--color-brand-gold) 0%,
    rgba(158, 137, 61, 0.2) 100%
  );
}

.section--dark a {
  color: var(--color-dark-text);
}

.section--card {
  background-color: var(--color-surface-card);
  background-image: var(--paper-noise, var(--texture-washi));
  background-blend-mode: multiply;
  border-block: 1px solid var(--color-border-softer);
}

.eyebrow {
  color: var(--color-disabled-text);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  margin-bottom: 0.65rem;
  font-family: var(--font-sans);
}

.section--dark .eyebrow {
  color: var(--color-dark-text-muted);
  letter-spacing: 0.22em;
}

.lead {
  font-size: 1.05rem;
  max-width: 40rem;
  line-height: 1.85;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.7rem 1.4rem;
  border-radius: var(--radius);
  font-size: 0.9375rem;
  font-weight: 500;
  font-family: var(--font-sans);
  text-decoration: none;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s, box-shadow 0.2s;
  letter-spacing: 0.04em;
}

.btn-primary {
  background: var(--color-button-primary-bg);
  color: var(--color-button-primary-text);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.06) inset;
}

.btn-primary:hover {
  background: var(--color-button-primary-hover);
  color: var(--color-button-primary-text);
}

.btn-secondary {
  background: var(--color-surface-card);
  color: var(--color-brand-navy);
  border-color: var(--color-brand-navy);
}

.btn-secondary:hover {
  color: var(--color-link-hover);
  border-color: var(--color-link-hover);
  background: var(--color-surface-warm);
}

.btn-ghost {
  background: transparent;
  color: var(--color-dark-text);
  border-color: rgba(255, 255, 255, 0.45);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--color-dark-text);
  border-color: var(--color-brand-gold);
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.btn-row--quiet .btn-secondary {
  padding: 0.55rem 1.1rem;
  font-size: 0.875rem;
}

.ext-note {
  display: block;
  font-size: 0.75rem;
  color: var(--color-disabled-text);
  margin-top: 0.4rem;
}

.card {
  background: var(--color-surface-card);
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-lg);
  padding: 1.35rem 1.3rem 1.25rem;
  position: relative;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 1.15rem;
  right: 1.15rem;
  height: 1.5px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--color-brand-gold) 20%,
    var(--color-brand-gold) 80%,
    transparent
  );
  opacity: 0.55;
}

.card:hover {
  border-color: rgba(33, 56, 79, 0.35);
  box-shadow: var(--shadow-soft);
}

.card-num {
  color: var(--color-brand-gold);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  margin-bottom: 0.4rem;
  font-family: var(--font-sans);
}

.card h3 {
  font-family: var(--font-sans);
  font-size: 1rem;
  margin-bottom: 0.5rem;
  letter-spacing: 0.02em;
}

.card p {
  font-size: 0.875rem;
  margin-bottom: 0.75rem;
}

.grid {
  display: grid;
  gap: 1.15rem;
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 1023px) {
  .grid-3,
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 639px) {
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
}

.gold-border {
  border-left: 2px solid var(--color-brand-gold);
  padding-left: 1.1rem;
  padding-block: 0.15rem;
}

.steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.85rem;
  margin-top: 0.5rem;
}

@media (max-width: 767px) {
  /* 各ページの style="grid-template-columns:repeat(N,1fr)" より、スマートフォンの1列を優先する */
  .steps {
    grid-template-columns: 1fr !important;
  }
}

.step {
  text-align: center;
  background: var(--color-surface-card);
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-lg);
  padding: 1.15rem 0.75rem 1.1rem;
  position: relative;
}

.step-num {
  width: var(--step-ring-size, 2.4rem);
  height: var(--step-ring-size, 2.4rem);
  margin: 0 auto 0.7rem;
  border-radius: var(--step-ring-radius, 50%);
  background: transparent;
  color: var(--color-brand-navy);
  border: var(--step-ring-border, 1.5px solid var(--color-brand-navy));
  box-shadow: var(--step-ring, 0 0 0 3px var(--color-surface-card), 0 0 0 4.5px var(--color-gold-muted));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  font-family: var(--font-sans);
}

.step strong {
  display: block;
  font-size: 0.875rem;
  color: var(--color-text-heading);
  margin-bottom: 0.35rem;
  font-family: var(--font-serif);
  letter-spacing: 0.04em;
}

.step p {
  font-size: 0.75rem;
  margin: 0;
  line-height: 1.65;
}

.note {
  font-size: 0.8125rem;
  color: var(--color-disabled-text);
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin-top: 0.5rem;
}

.faq-item {
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-lg);
  background: var(--color-surface-card);
  overflow: hidden;
}

/* 質問を包む見出し。見出しの既定（明朝・太字・余白）を打ち消し、ボタンの見た目を包む前と同じにする */
.faq-h {
  margin: 0;
  font: inherit;
  letter-spacing: inherit;
  color: inherit;
}

.faq-q {
  width: 100%;
  text-align: left;
  background: var(--color-surface-warm);
  border: 0;
  border-left: 2px solid transparent;
  padding: 1.05rem 1.2rem;
  font: inherit;
  font-weight: 500;
  color: var(--color-text-heading);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  letter-spacing: 0.02em;
  transition: background 0.2s, border-color 0.2s;
}

.faq-q:hover {
  background: #ebe6dc;
}

.faq-q[aria-expanded="true"] {
  border-left-color: var(--color-brand-gold);
  background: #ebe6dc;
}

.faq-icon {
  color: var(--color-brand-gold);
  font-weight: 700;
  flex-shrink: 0;
}

/* 開閉の印は文字でなく CSS で描く（質問の見出しの文字が「？」で終わるように）。
   読み上げには出さない（content の「/ ""」＝代替文字なし）。見た目は .faq-icon と同じ */
.faq-q::after {
  content: "＋";
  content: "＋" / "";
  color: var(--color-brand-gold);
  font-weight: 700;
  flex-shrink: 0;
}

.faq-q[aria-expanded="true"]::after {
  content: "－";
  content: "－" / "";
}

.faq-a {
  display: none;
  padding: 0.15rem 1.2rem 1.15rem;
  font-size: 0.9375rem;
  border-top: 1px solid var(--color-border-softer);
}

.faq-a.is-open {
  display: block;
}

.cta-block {
  background:
    radial-gradient(ellipse 70% 80% at 50% 0%, rgba(158, 137, 61, 0.08), transparent 55%),
    linear-gradient(180deg, var(--color-surface-warm) 0%, var(--color-surface-main) 100%);
  padding: var(--space-section) 0;
  border-top: 1px solid var(--color-border-soft);
  position: relative;
}

.cta-block::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: min(8rem, 30%);
  height: 1.5px;
  background: var(--color-brand-gold);
  opacity: 0.7;
}

.cta-block > .container > h2 {
  position: relative;
  display: block;
  text-align: center;
  padding-bottom: 0.85rem;
}

.cta-block > .container > h2::after {
  content: "";
  display: block;
  width: 2.5rem;
  height: 1.5px;
  margin: 0.75rem auto 0;
  background: linear-gradient(
    90deg,
    rgba(158, 137, 61, 0.15),
    var(--color-brand-gold),
    rgba(158, 137, 61, 0.15)
  );
  opacity: var(--gold-rule-scope, 1);
}

.cta-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.15rem;
  margin: 1.75rem 0 1.15rem;
}

@media (max-width: 767px) {
  .cta-cards {
    grid-template-columns: 1fr;
  }
}

.cta-card {
  background: var(--color-surface-card);
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-lg);
  padding: 1.65rem 1.5rem;
  box-shadow: var(--shadow-soft);
  position: relative;
}

.cta-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 2px;
  background: var(--color-brand-gold);
  border-radius: 2px 0 0 2px;
  opacity: 0.85;
}

.breadcrumb {
  font-size: 0.8rem;
  color: var(--color-disabled-text);
  margin-bottom: 1.25rem;
  letter-spacing: 0.02em;
}

.breadcrumb a {
  color: inherit;
}

.page-hero {
  padding: 3.25rem 0 2.25rem;
  position: relative;
}

.page-hero h1 {
  padding-bottom: 0.5rem;
}

.page-hero h1::after {
  content: "";
  display: block;
  width: 2.5rem;
  height: 1.5px;
  margin-top: 0.85rem;
  background: linear-gradient(
    90deg,
    var(--color-brand-gold) 0%,
    rgba(158, 137, 61, 0.15) 100%
  );
}

.table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-surface-card);
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.table th,
.table td {
  border-bottom: 1px solid var(--color-border-softer);
  padding: 0.9rem 1.05rem;
  text-align: left;
  vertical-align: top;
}

.table tr:last-child th,
.table tr:last-child td {
  border-bottom: 0;
}

.table th {
  width: 10rem;
  color: var(--color-disabled-text);
  font-weight: 500;
  background: var(--color-surface-warm);
}

.compare {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  background: var(--color-surface-card);
}

.compare th,
.compare td {
  border: 1px solid var(--color-border-soft);
  padding: 0.75rem;
  vertical-align: top;
}

.compare th {
  background: var(--color-surface-warm);
  font-family: var(--font-serif);
  letter-spacing: 0.03em;
  color: var(--color-text-heading);
}

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

.news-item {
  display: flex;
  gap: 1.25rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--color-border-soft);
  align-items: baseline;
}

.news-item:first-child {
  border-top: 1px solid var(--color-border-soft);
}

.news-date {
  color: var(--color-disabled-text);
  font-size: 0.875rem;
  min-width: 7rem;
  letter-spacing: 0.04em;
}

.empty-state {
  background: var(--color-status-info-bg);
  color: var(--color-status-info-text);
  border-radius: var(--radius);
  padding: 1.25rem;
  border-left: 2px solid var(--color-status-info-text);
}

.sample-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  background: var(--color-status-warning-bg);
  color: var(--color-status-warning-text);
  padding: 0.15rem 0.45rem;
  border-radius: 0.25rem;
  margin-left: 0.4rem;
  vertical-align: middle;
}

.map-embed {
  width: 100%;
  min-height: 280px;
  border: 0;
  border-radius: var(--radius-lg);
  background: var(--color-border-soft);
}

.placeholder-box {
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface-card);
  padding: 2rem 1rem;
  text-align: center;
  color: var(--color-disabled-text);
  font-size: 0.875rem;
}

/* --------------------------------------------------------------------------
 * デザイン案E「金継ぎ」— 共通コンポーネント
 * ----------------------------------------------------------------------- */
.eyebrow,
.card-num,
.step-num,
.footer-title,
.hero-index,
.breadcrumb {
  font-family: var(--font-mono);
  letter-spacing: 0.16em;
}

.eyebrow {
  color: var(--color-brand-gold);
  font-size: 0.68rem;
  text-transform: uppercase;
}

.btn {
  min-height: 46px;
  border-radius: 2px;
  padding-inline: 1.5rem;
}

.btn-primary {
  background: var(--color-brand-navy);
}

.btn-secondary {
  background: transparent;
  border-color: var(--color-brand-navy);
}

.card {
  border-radius: 2px;
  border-color: var(--color-border-soft);
  box-shadow: none;
  overflow: hidden;
}

.card::before {
  left: 0;
  right: auto;
  width: 2px;
  height: 100%;
  background: var(--color-brand-gold);
  opacity: 0.72;
}

.card:hover {
  border-color: rgba(158, 137, 61, 0.7);
  box-shadow: 0 10px 30px rgba(10, 21, 36, 0.08);
}

.card-num {
  color: var(--color-brand-gold);
}

.gold-border {
  border-left-width: 1px;
}

.steps {
  gap: 1.4rem;
  margin-top: 2.5rem;
}

.step {
  border: 0;
  border-top: 1px solid var(--color-border-soft);
  border-radius: 0;
  background: transparent;
  padding: 1.2rem 0 0;
  text-align: left;
}

.step:first-child {
  border-top: 2px solid var(--color-brand-navy);
}

.step-num {
  width: auto;
  height: auto;
  margin: 0 0 0.55rem;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  justify-content: flex-start;
  color: var(--color-brand-gold);
}

.step strong {
  font-family: var(--font-sans);
}

.faq-list {
  gap: 0;
  max-width: 52rem;
}

.faq-item {
  border: 0;
  border-bottom: 1px solid var(--color-border-soft);
  border-radius: 0;
  background: transparent;
}

.faq-q,
.faq-q:hover,
.faq-q[aria-expanded="true"] {
  background: transparent;
  border-left: 0;
  padding-inline: 0;
}

.faq-a {
  border-top: 0;
  padding-inline: 0;
}

.cta-block {
  background:
    radial-gradient(ellipse 55% 100% at 50% 0%, rgba(158, 137, 61, 0.11), transparent 62%),
    repeating-linear-gradient(0deg, rgba(242, 241, 236, 0.035) 0 1px, transparent 1px 6px),
    var(--color-ink);
  color: var(--color-on-ink-muted);
  border-top: 0;
  padding: clamp(4.5rem, 8vw, 7rem) 0;
}

.cta-block::before {
  background: linear-gradient(90deg, transparent, var(--color-gold-lit), transparent);
}

.cta-block h2,
.cta-block h3,
.cta-block .lead,
.cta-block .note {
  color: var(--color-on-ink);
}

.cta-block .lead {
  color: var(--color-on-ink-muted);
}

.cta-block .cta-cards {
  max-width: 46rem;
  margin-inline: auto;
}

.cta-card {
  background: rgba(5, 12, 23, 0.24);
  border-color: var(--color-line-on-ink);
  border-radius: 2px;
  box-shadow: none;
}

.cta-card p {
  color: var(--color-on-ink-muted);
}

.cta-card .btn-primary {
  background: var(--color-brand-gold);
  border-color: var(--color-brand-gold);
  color: var(--color-on-gold);
}

.cta-card .btn-primary:hover {
  background: var(--color-gold-lit);
  border-color: var(--color-gold-lit);
  color: var(--color-ink-deep);
}

.cta-card .btn-secondary {
  border-color: rgba(242, 241, 236, 0.55);
  color: var(--color-on-ink);
}

.cta-card .btn-secondary:hover {
  border-color: var(--color-gold-lit);
  color: var(--color-gold-lit);
  background: rgba(255, 255, 255, 0.05);
}

.breadcrumb {
  color: rgba(33, 56, 79, 0.72);
  font-size: 0.68rem;
}

.breadcrumb a {
  color: var(--color-on-ink);
}

.page-hero {
  min-height: clamp(17rem, 34svh, 25rem);
  padding-block: clamp(3.25rem, 7vw, 5.75rem);
  display: flex;
  flex-direction: column;
  justify-content: center;
  color: var(--color-on-ink-muted);
  background-color: var(--color-ink);
  background-image:
    var(--hero-art-image,
      url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 420 240'%3E%3Cg fill='none' stroke='%239E893D' stroke-opacity='.52'%3E%3Ccircle cx='305' cy='122' r='75'/%3E%3Ccircle cx='363' cy='105' r='52'/%3E%3Cpath d='M180 196 C235 166 270 138 326 118 M210 48 C258 75 292 96 326 112 M326 118 C365 139 393 164 420 190 M326 112 C365 92 393 70 420 48'/%3E%3C/g%3E%3Crect x='322' y='82' width='8' height='74' rx='4' fill='%23D8B96A'/%3E%3C/svg%3E")),
    repeating-linear-gradient(0deg, rgba(242, 241, 236, 0.04) 0 1px, transparent 1px 6px),
    linear-gradient(110deg, var(--color-ink-deep), var(--color-ink) 68%, var(--color-ink-soft));
  background-repeat: no-repeat, repeat, no-repeat;
  background-position: right center, center, center;
  background-size: auto 100%, auto, cover;
  box-shadow: 0 0 0 100vmax var(--color-ink);
  clip-path: inset(0 -100vmax);
}

.page-hero h1,
.page-hero .lead {
  color: var(--color-on-ink);
  max-width: 48rem;
}

.page-hero .lead {
  color: var(--color-on-ink-muted);
}

.page-hero h1::after {
  background: linear-gradient(90deg, var(--color-gold-lit), transparent);
}

.news-date {
  font-family: var(--font-mono);
}

@media (max-width: 640px) {
  .page-hero {
    min-height: 14rem;
    padding-block: 2.75rem;
    background-size: auto 82%, auto, cover;
    background-position: 116% center, center, center;
  }

  .news-item {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.35rem;
  }
}

/* 工程3-3: 下層ページの情報設計と金継ぎモチーフ */
.page-hero {
  --hero-art-position: right center;
  --hero-art-size: auto 100%;
  overflow: hidden;
  isolation: isolate;
  background-position: var(--hero-art-position), center, center;
  background-size: var(--hero-art-size), auto, cover;
}

.page-hero > * {
  position: relative;
  z-index: 1;
}

.page-hero::before,
.page-hero::after {
  content: "";
  position: absolute;
  pointer-events: none;
  z-index: 0;
}

.page-hero::before {
  width: var(--hero-ring-size, 10rem);
  aspect-ratio: 1;
  right: var(--hero-ring-right, 7%);
  top: var(--hero-ring-top, 16%);
  border: 1px solid rgba(216, 185, 106, 0.38);
  border-radius: 50%;
  box-shadow:
    0 0 0 1.5rem rgba(216, 185, 106, 0.04),
    0 0 0 3.1rem rgba(242, 241, 236, 0.035);
  transform: rotate(var(--hero-ring-angle, 0deg)) scaleY(var(--hero-ring-y, 1));
}

.page-hero::after {
  width: var(--hero-seam-width, 13rem);
  height: 1px;
  right: var(--hero-seam-right, 2%);
  top: var(--hero-seam-top, 58%);
  background: linear-gradient(90deg, transparent, var(--color-gold-lit), transparent);
  transform: rotate(var(--hero-seam-angle, -18deg));
  transform-origin: center;
  opacity: 0.72;
}

.page-hero--services { --hero-ring-size: 12rem; --hero-ring-top: 9%; --hero-seam-angle: -28deg; }
.page-hero--ai-dx { --hero-ring-size: 13rem; --hero-ring-right: 5%; --hero-ring-y: 0.72; --hero-seam-angle: -38deg; }
.page-hero--design { --hero-ring-size: 9rem; --hero-ring-right: 13%; --hero-ring-top: 24%; --hero-seam-angle: 16deg; }
.page-hero--system { --hero-ring-size: 11rem; --hero-ring-right: 9%; --hero-ring-y: 0.82; --hero-seam-angle: -7deg; }
.page-hero--marketing { --hero-ring-size: 8rem; --hero-ring-right: 16%; --hero-ring-top: 12%; --hero-seam-angle: 31deg; }
.page-hero--about { --hero-ring-size: 13rem; --hero-ring-right: 3%; --hero-ring-top: 20%; --hero-seam-angle: -12deg; }
.page-hero--school { --hero-ring-size: 8rem; --hero-ring-right: 15%; --hero-ring-top: 25%; --hero-ring-y: 0.8; --hero-seam-angle: 24deg; }
.page-hero--company { --hero-ring-size: 12rem; --hero-ring-right: 6%; --hero-ring-top: 7%; --hero-seam-angle: -31deg; }
.page-hero--contact { --hero-ring-size: 9rem; --hero-ring-right: 12%; --hero-ring-top: 23%; --hero-seam-angle: 8deg; }
.page-hero--news { --hero-ring-size: 7rem; --hero-ring-right: 17%; --hero-ring-top: 13%; --hero-seam-angle: -42deg; }
.page-hero--download { --hero-ring-size: 11rem; --hero-ring-right: 8%; --hero-ring-top: 18%; --hero-ring-y: 0.75; --hero-seam-angle: 20deg; }
.page-hero--privacy { --hero-ring-size: 7rem; --hero-ring-right: 16%; --hero-ring-top: 26%; --hero-seam-angle: -4deg; }
.page-hero--not-found { --hero-ring-size: 14rem; --hero-ring-right: calc(50% - 7rem); --hero-ring-top: 4%; --hero-seam-right: calc(50% - 6.5rem); }

.section--ink {
  background: var(--color-ink);
  color: var(--color-on-ink-muted);
}

.section--ink h2,
.section--ink h3,
.section--ink strong {
  color: var(--color-on-ink);
}

.section--ink > .container > h2::after {
  background: linear-gradient(90deg, var(--color-gold-lit), transparent);
}

.section--ink a {
  color: var(--color-gold-lit);
}

.service-map {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(10rem, 1fr));
  align-items: stretch;
  gap: 1px;
  margin-top: 2rem;
  padding: 1px;
  background: rgba(216, 185, 106, 0.3);
}

.service-map__node {
  min-height: 9rem;
  padding: 1.4rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: var(--color-ink);
  color: var(--color-on-ink);
  text-decoration: none;
}

.service-map__node--gateway {
  background: var(--color-brand-gold);
  color: var(--color-on-gold);
}

.service-map__index,
.section-index,
.news-year__label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.service-map__node strong {
  color: inherit;
  font-family: var(--font-serif);
  font-size: 1rem;
  line-height: 1.5;
}

.service-map__node:hover,
.service-map__node:focus-visible {
  background: var(--color-ink-soft);
  color: var(--color-on-ink);
}

.service-map__node--gateway:hover,
.service-map__node--gateway:focus-visible {
  background: var(--color-gold-lit);
  color: var(--color-ink-deep);
}

.motif-panel {
  min-height: 14rem;
  border: 1px solid var(--color-line-on-ink);
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 72% 47%, transparent 0 3.6rem, rgba(216, 185, 106, 0.42) 3.65rem 3.72rem, transparent 3.78rem),
    radial-gradient(circle at 59% 61%, transparent 0 2.6rem, rgba(242, 241, 236, 0.22) 2.65rem 2.72rem, transparent 2.78rem),
    linear-gradient(145deg, transparent 48.5%, var(--color-brand-gold) 49%, var(--color-brand-gold) 49.4%, transparent 50%),
    var(--color-ink-deep);
}

.motif-panel__caption {
  position: absolute;
  left: 1.25rem;
  bottom: 1.1rem;
  color: var(--color-on-ink-muted);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
}

.company-stance,
.contact-flow,
.download-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(1.25rem, 3vw, 3rem);
  align-items: center;
}

.contact-flow {
  grid-template-columns: repeat(3, 1fr);
  align-items: stretch;
  counter-reset: contact-step;
}

.contact-flow__item {
  counter-increment: contact-step;
  padding: 1.5rem 1.25rem;
  border-top: 1px solid var(--color-brand-gold);
  background: var(--color-surface-card);
}

.contact-flow__item::before {
  content: "0" counter(contact-step);
  display: block;
  margin-bottom: 1.2rem;
  color: var(--color-brand-gold);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
}

.contact-flow__item h3 {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  color: var(--color-text-heading);
}

.contact-flow__item p {
  color: var(--color-text-body);
}

.news-year {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--color-brand-gold);
}

.news-year__year {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 8vw, 5.5rem);
  line-height: 1;
  color: var(--color-text-heading);
}

.news-list--cards {
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
}

.news-list--cards .news-item {
  padding: 1.4rem;
  background: var(--color-surface-card);
  border: 1px solid var(--color-border-soft);
}

.news-list--cards .news-item:first-child {
  border-top: 1px solid var(--color-border-soft);
}

.download-grid {
  align-items: stretch;
}

.download-card {
  display: block;
}

.download-card > div + div {
  margin-top: 1.1rem;
}

/* 見出しは空白と <wbr> でだけ折る（「チェックリス／ト」と語の途中で折れるのを防ぐ） */
.download-card h2 {
  word-break: keep-all;
  overflow-wrap: anywhere;
}

.nowrap {
  white-space: nowrap;
}

/* 資料の表紙：実物のPDFの紙面を2枚重ねる。影・グラデーション・角丸は使わない */
.document-stack {
  position: relative;
  height: 17rem;
  overflow: hidden;
  background: var(--color-dark-surface);
  border: 1px solid var(--color-brand-gold);
}

.document-stack__inside {
  position: absolute;
  right: 5%;
  top: 1.1rem;
  width: 60%;
  height: auto;
  display: block;
  background: #fff;
  border: 1px solid rgba(255, 255, 255, 0.28);
}

.document-stack__cover {
  position: absolute;
  left: 5%;
  top: 5.2rem;
  width: 72%;
  height: auto;
  display: block;
  z-index: 1;
  background: #fff;
  border: 1px solid var(--color-brand-gold);
}

.document-stack__tag {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  padding: 0.55rem 1rem;
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  color: var(--color-gold-lit);
  background: var(--color-dark-surface);
  border-top: 1px solid rgba(216, 185, 106, 0.55);
}

.document-stack__tag span {
  white-space: nowrap;
}

.policy-layout {
  display: grid;
  grid-template-columns: minmax(12rem, 0.35fr) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
}

.policy-toc {
  position: sticky;
  top: 6rem;
  padding: 1.2rem;
  border-top: 1px solid var(--color-brand-gold);
  background: var(--color-surface-warm);
}

.policy-toc ol {
  margin: 0;
  padding-left: 1.25rem;
}

.policy-toc a {
  display: inline-block;
  padding-block: 0.22rem;
  font-size: 0.85rem;
}

.policy-body h2 {
  scroll-margin-top: 6rem;
  font-size: clamp(1.2rem, 2vw, 1.55rem);
  margin-top: 2.8rem;
}

.policy-body h2:first-child {
  margin-top: 0;
}

.page-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 1.5rem;
  border-block: 1px solid var(--color-border-soft);
}

.page-links a {
  text-decoration: none;
}

@media (max-width: 800px) {
  .document-stack {
    height: 15.5rem;
  }

  .document-stack__cover {
    top: 4.6rem;
    width: 78%;
  }

  .company-stance,
  .download-grid,
  .policy-layout {
    grid-template-columns: 1fr;
  }

  .contact-flow {
    grid-template-columns: 1fr;
  }

  .policy-toc {
    position: static;
  }
}

@media (max-width: 640px) {
  .page-hero::before {
    right: -2.5rem;
    opacity: 0.62;
  }

  .page-hero::after {
    right: -4rem;
  }

  .service-map {
    grid-template-columns: 1fr;
  }

  .service-map__node {
    min-height: 6.5rem;
  }
}

/* --------------------------------------------------------------------------
 * 各ページの見出しに置く絵（2026-09-09・Midjourney）。
 * 1層目に入る。指定の無いページ（404）は、これまでのSVGの飾りのまま。
 * 画像の左端は透明にしてあるので、地の色へ溶ける。
 * ----------------------------------------------------------------------- */
.page-hero--services { --hero-art-image: url("/assets/img/hero/services.webp"); }
.page-hero--ai-dx { --hero-art-image: url("/assets/img/hero/ai-dx.webp"); }
.page-hero--design { --hero-art-image: url("/assets/img/hero/design-web.webp"); }
.page-hero--system { --hero-art-image: url("/assets/img/hero/system.webp"); }
.page-hero--marketing { --hero-art-image: url("/assets/img/hero/marketing.webp"); }
.page-hero--school { --hero-art-image: url("/assets/img/hero/school.webp"); }
.page-hero--about { --hero-art-image: url("/assets/img/hero/about.webp"); }
.page-hero--company { --hero-art-image: url("/assets/img/hero/company.webp"); }
.page-hero--news { --hero-art-image: url("/assets/img/hero/news.webp"); }
.page-hero--download { --hero-art-image: url("/assets/img/hero/download.webp"); }
.page-hero--contact { --hero-art-image: url("/assets/img/hero/contact.webp"); }
.page-hero--privacy { --hero-art-image: url("/assets/img/hero/privacy.webp"); }

/* 見出しの最後の1〜2文字だけが次の行に落ちるのを防ぐ（例：「〜したい方／へ」） */
.cta-block h2,
.page-hero h1 {
  text-wrap: balance;
}

/* スマートフォンでは、ページ上部の文字の後ろに生成り色の幕を左から敷く。
   写真が文字の真下に来て読めなかった（640px以下で写真を右へ寄せる指定が、後段の
   .page-hero の background-position / background-size に上書きされていたため）。
   写真は右側に残す。この指定はファイルの末尾に置くこと（前に置くと同じく上書きされる）。 */
@media (max-width: 640px) {
  .page-hero {
    background-image:
      linear-gradient(90deg, rgba(250, 248, 244, 0.94) 0%, rgba(250, 248, 244, 0.88) 58%, rgba(250, 248, 244, 0.35) 86%, rgba(250, 248, 244, 0) 100%),
      var(--hero-art-image,
      url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 420 240'%3E%3Cg fill='none' stroke='%239E893D' stroke-opacity='.52'%3E%3Ccircle cx='305' cy='122' r='75'/%3E%3Ccircle cx='363' cy='105' r='52'/%3E%3Cpath d='M180 196 C235 166 270 138 326 118 M210 48 C258 75 292 96 326 112 M326 118 C365 139 393 164 420 190 M326 112 C365 92 393 70 420 48'/%3E%3C/g%3E%3Crect x='322' y='82' width='8' height='74' rx='4' fill='%23D8B96A'/%3E%3C/svg%3E")),
      repeating-linear-gradient(0deg, rgba(242, 241, 236, 0.04) 0 1px, transparent 1px 6px),
      linear-gradient(110deg, var(--color-ink-deep), var(--color-ink) 68%, var(--color-ink-soft));
    background-repeat: no-repeat, no-repeat, repeat, no-repeat;
    background-position: 0 0, 116% center, center, center;
    background-size: 100% 100%, auto 82%, auto, cover;
  }
}

/* 見出しを語の途中で折らない。<wbr> を入れた位置でだけ折る */
.page-hero h1.keep-words {
  word-break: keep-all;
  overflow-wrap: anywhere;
}

/* サービス関係図の先頭（入口）の文字色。.section--ink a の金色が優先され、金色の地に金色の文字で読めなかった */
.section--ink .service-map__node--gateway {
  color: var(--color-on-gold);
}

/* 本文も、空白と <wbr> の位置でだけ折る（お問い合わせの資料カード「セキュリティチェッ／クリスト」を防ぐ） */
.keep-words {
  word-break: keep-all;
  overflow-wrap: anywhere;
}

/* スマートフォン（640px以下）の残りの直し。この指定もファイルの末尾に置くこと */
@media (max-width: 640px) {
  /* ページ上部の説明文が右の写真にかかっていた（私たちについて・AIスクール）。
     幕の濃い範囲（左から約6割）に文字を収める */
  .page-hero h1 {
    max-width: 88%;
  }
  .page-hero .lead {
    max-width: 80%;
  }
  /* 会社概要の表：見出しの列を狭め、本文は空白と句読点の位置でだけ折る
     （所在地・事業内容が語の途中で折れていた） */
  .table th {
    width: 5.5em;
    word-break: keep-all;
    padding-inline: 0.8rem;
  }
  .table td {
    padding-inline: 0.8rem;
    word-break: keep-all;
    overflow-wrap: anywhere;
  }
}

/* 会社紹介の動画（/about/）。動画の下の注記は、スクロールせずに読める位置に置く決まり（動画側の法令監査） */
.pv-video {
  display: block;
  width: 100%;
  height: auto;
  margin-top: 1.25rem;
  background: var(--color-ink-deep);
  border-radius: var(--radius-lg);
}
.pv-notes {
  margin-top: 1rem;
}
.pv-notes p {
  font-size: 0.82rem;
  line-height: 1.8;
  color: var(--color-disabled-text);
  margin-top: 0.5rem;
}