:root {
  --cv-shell-ink: #14243a;
  --cv-shell-muted: #5a6d82;
  --cv-shell-line: #dce4ec;
  --cv-shell-accent: #176b68;
  --cv-shell-accent-soft: #e9f6f4;
  --cv-shell-footer: #12233d;
}
body[data-cotoa-product="personal"] { --cv-shell-accent: #e65f68; --cv-shell-accent-soft: #fff0f0; }
body[data-cotoa-product="welfare"] { --cv-shell-accent: #1979a8; --cv-shell-accent-soft: #eaf7ff; }
body[data-cotoa-product="company"] { --cv-shell-accent: #284d91; --cv-shell-accent-soft: #edf2ff; }
body[data-cotoa-product="cotoain"] { --cv-shell-accent: #1a78c2; --cv-shell-accent-soft: #eaf5ff; }
@media (min-width: 940px) {
  body[data-cotoa-product="cotoain"] .site-header > .logo,
  body[data-cotoa-product="cotoain"] .site-header > .header-nav,
  body[data-cotoa-product="cotoain"] .site-header > .lang-flags,
  body[data-cotoa-product="cotoain"] .site-header > .header-actions { width: auto; max-width: none; }
}
.cv-series-header,
.cv-series-footer {
  font-family: "Zen Maru Gothic", "Noto Sans JP", system-ui, -apple-system, sans-serif;
  box-sizing: border-box;
}
.cv-series-header *,
.cv-series-footer * { box-sizing: border-box; }
.cv-series-header {
  position: sticky;
  inset-block-start: 0;
  z-index: 1000;
  color: var(--cv-shell-ink);
  background: rgba(255,255,255,.97);
  border-bottom: 1px solid var(--cv-shell-line);
  box-shadow: 0 7px 22px rgba(15,35,55,.06);
  backdrop-filter: blur(12px);
}
.cv-series-header__top,
.cv-series-header__nav,
.cv-series-footer__inner {
  width: min(1180px, calc(100% - 32px));
  margin-inline: auto;
}
.cv-series-header__top {
  min-height: 64px;
  display: flex;
  align-items: center;
  gap: 18px;
}
.cv-series-brand {
  min-height: 44px;
  min-width: 0;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--cv-shell-ink);
  text-decoration: none;
}
.cv-series-brand img {
  width: 40px;
  height: 40px;
  object-fit: contain;
  border-radius: 50%;
}
.cv-series-brand span { min-width: 0; display: grid; line-height: 1.15; }
.cv-series-brand strong { font-size: 1rem; }
.cv-series-brand small { margin-top: 3px; color: var(--cv-shell-muted); font-size: .68rem; font-weight: 700; }
.cv-series-brand strong,
.cv-series-action { white-space: nowrap; word-break: keep-all; overflow-wrap: normal; }
.cv-series-header__actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 8px;
}
.cv-series-action {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px 16px;
  border: 1px solid var(--cv-shell-accent);
  border-radius: 12px;
  color: #fff;
  background: var(--cv-shell-accent);
  text-decoration: none;
  font-size: .82rem;
  font-weight: 900;
}
.cv-series-action--sub {
  color: var(--cv-shell-accent);
  background: #fff;
}
.cv-series-header__nav {
  min-height: 46px;
  display: flex;
  align-items: stretch;
  justify-content: center;
  gap: 2px;
}
.cv-series-header__nav a {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  border-bottom: 3px solid transparent;
  color: var(--cv-shell-muted);
  text-decoration: none;
  white-space: nowrap;
  font-size: .8rem;
  font-weight: 900;
}
.cv-series-header__nav a:hover,
.cv-series-header__nav a:focus-visible {
  color: var(--cv-shell-accent);
  background: var(--cv-shell-accent-soft);
}
.cv-series-header__nav a[aria-current="page"] {
  color: var(--cv-shell-accent);
  border-bottom-color: var(--cv-shell-accent);
}
.cv-series-menu { display: none; }
.cv-series-menu summary {
  min-height: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 16px;
  color: var(--cv-shell-ink);
  background: var(--cv-shell-accent-soft);
  font-size: .82rem;
  font-weight: 900;
  cursor: pointer;
}
.cv-series-menu summary::after { content: "＋"; color: var(--cv-shell-accent); font-size: 1.2rem; }
.cv-series-menu[open] summary::after { content: "−"; }
.cv-series-menu nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 1px;
  padding: 1px;
  background: var(--cv-shell-line);
}
.cv-series-menu a {
  min-height: 48px;
  display: flex;
  align-items: center;
  padding: 10px 14px;
  color: var(--cv-shell-ink);
  background: #fff;
  text-decoration: none;
  font-size: .78rem;
  font-weight: 800;
}
.cv-series-menu a[aria-current="page"] { color: var(--cv-shell-accent); background: var(--cv-shell-accent-soft); }
.cv-series-footer {
  color: #eef5ff;
  background: var(--cv-shell-footer);
}
.cv-series-footer__inner { padding: 42px 0 24px; }
.cv-series-footer__grid {
  display: grid;
  grid-template-columns: minmax(220px,1.2fr) repeat(3,minmax(150px,.7fr));
  gap: 34px;
}
.cv-series-footer h2,
.cv-series-footer h3 { margin: 0 0 12px; color: #fff; }
.cv-series-footer h2 { font-size: 1.15rem; }
.cv-series-footer h3 { font-size: .82rem; }
.cv-series-footer p { margin: 0; color: #c8d4e3; font-size: .78rem; line-height: 1.8; }
.cv-series-footer nav { display: grid; gap: 8px; }
.cv-series-footer a,
.cv-series-footer button {
  width: fit-content;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  padding: 4px 0;
  border: 0;
  color: #eef5ff;
  background: transparent;
  text-decoration: underline;
  text-underline-offset: 3px;
  font: inherit;
  font-size: .78rem;
  font-weight: 700;
  text-align: left;
  cursor: pointer;
}
.cv-series-footer a[aria-current="page"] { color: #8fe3d1; }
.cv-series-footer__bottom {
  margin-top: 18px !important;
  padding-top: 18px;
  border-top: 1px solid rgba(255,255,255,.18);
  color: #91a4bb !important;
  font-size: .7rem !important;
}
.cv-legal-hub,
.cv-story-section {
  box-sizing: border-box;
  color: var(--cv-shell-ink);
  background: #f7fafc;
  font-family: "Zen Maru Gothic", "Noto Sans JP", system-ui, -apple-system, sans-serif;
}
.cv-story-section { background: var(--cv-shell-accent-soft); }
.cv-legal-hub *,
.cv-story-section * { box-sizing: border-box; }
.cv-legal-hub__inner,
.cv-story-section__inner {
  width: min(1120px, calc(100% - 32px));
  margin-inline: auto;
  padding: 64px 0;
}
.cv-eyebrow {
  margin: 0 0 8px;
  color: var(--cv-shell-accent);
  font-size: .78rem;
  font-weight: 900;
  letter-spacing: .05em;
}
.cv-legal-hub h2,
.cv-story-section h2 { margin: 0; color: var(--cv-shell-ink); font-size: clamp(1.75rem,4vw,2.55rem); line-height: 1.3; }
.cv-legal-hub__inner > p:not(.cv-eyebrow),
.cv-story-section__inner > p:not(.cv-eyebrow):not(.cv-story-caution) { margin: 12px 0 0; color: var(--cv-shell-muted); line-height: 1.8; }
.cv-legal-hub nav {
  display: grid;
  grid-template-columns: repeat(5,minmax(0,1fr));
  gap: 10px;
  margin-top: 24px;
}
.cv-legal-hub a,
.cv-legal-hub button {
  min-height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px 12px;
  border: 1px solid color-mix(in srgb, var(--cv-shell-accent) 38%, #dce4ec);
  border-radius: 12px;
  color: var(--cv-shell-accent);
  background: #fff;
  text-decoration: none;
  font: inherit;
  font-size: .78rem;
  font-weight: 900;
  text-align: center;
  cursor: pointer;
}
.cv-story-grid {
  display: grid;
  grid-template-columns: repeat(3,minmax(0,1fr));
  gap: 14px;
  margin-top: 26px;
}
.cv-story-grid article { padding: 22px; border: 1px solid color-mix(in srgb, var(--cv-shell-accent) 25%, #dce4ec); border-radius: 18px; background: #fff; box-shadow: 0 8px 24px rgba(15,35,55,.06); }
.cv-story-grid small { color: var(--cv-shell-accent); font-size: .72rem; font-weight: 900; }
.cv-story-grid h3 { margin: 5px 0 16px; color: var(--cv-shell-ink); font-size: 1.12rem; }
.cv-story-grid dl,
.cv-story-grid dd { margin: 0; }
.cv-story-grid dl { display: grid; gap: 10px; }
.cv-story-grid dl div { display: grid; grid-template-columns: 64px minmax(0,1fr); gap: 8px; align-items: start; }
.cv-story-grid dt { padding: 3px 6px; border-radius: 999px; color: var(--cv-shell-accent); background: var(--cv-shell-accent-soft); font-size: .68rem; font-weight: 900; text-align: center; }
.cv-story-grid dd { color: #3e536a; font-size: .82rem; line-height: 1.65; }
.cv-story-caution { margin: 18px 0 0; padding: 12px 14px; border-left: 4px solid var(--cv-shell-accent); color: #3e536a; background: rgba(255,255,255,.72); font-size: .78rem; line-height: 1.7; }
.cv-chat-family main > section,
.cv-chat-family main section[id] { scroll-margin-top: 120px; }
.cv-chat-family :is(.problem-card,.use-item,.feature-card,.plan-card,.persona-card,.persona-story,.answer-item) {
  border-color: color-mix(in srgb, var(--cv-shell-accent) 28%, #dce4ec);
}
.cv-chat-family :is(.btn-primary,.button-primary) {
  border-color: var(--cv-shell-accent);
  background: var(--cv-shell-accent);
}
.cv-chat-family :is(.kicker,.section-label,.eyebrow) { color: var(--cv-shell-accent); }
@media (max-width: 820px) {
  .cv-series-header { position: relative; }
  .cv-series-header__top { width: min(100% - 24px, 1180px); min-height: 60px; gap: 10px; }
  .cv-series-brand small { display: none; }
  .cv-series-header__actions .cv-series-action--sub { display: none; }
  .cv-series-header__actions .cv-series-action { min-height: 44px; padding-inline: 12px; font-size: .74rem; }
  .cv-series-header__nav { display: none; }
  .cv-series-menu { display: block; }
  .cv-series-footer__inner { width: min(100% - 28px,1180px); padding-top: 34px; }
  .cv-series-footer__grid { grid-template-columns: 1fr; gap: 26px; }
  .cv-legal-hub__inner,
  .cv-story-section__inner { width: min(100% - 28px,1120px); padding: 46px 0; }
  .cv-legal-hub nav { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .cv-story-grid { grid-template-columns: 1fr; }
}
@media (max-width: 420px) {
  .cv-series-brand strong { font-size: .9rem; }
  .cv-series-brand img { width: 36px; height: 36px; }
  .cv-series-menu nav { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  .cv-series-header *, .cv-series-footer * { scroll-behavior: auto !important; transition: none !important; }
}