:root {
  --guide-ink: #14212b;
  --guide-muted: #53636d;
  --guide-border: #dbe5e3;
  --guide-surface: #ffffff;
  --guide-canvas: #f3f7f6;
  --guide-accent: #40c4a9;
  --guide-accent-dark: #1f6f61;
  --guide-accent-soft: #e8f8f4;
  --guide-navy: #0d1b2a;
  --guide-warning: #8a5a00;
  --guide-warning-bg: #fff8e8;
  --guide-pro: #6d4cd3;
}

html {
  scroll-behavior: smooth;
}

body.userguide-page {
  background: var(--guide-canvas);
  color: var(--guide-ink);
}

body.userguide-page .guide-skip-link {
  background: var(--guide-navy);
  border-radius: 0 0 0.5rem 0;
  color: #ffffff;
  left: 0;
  padding: 0.75rem 1rem;
  position: fixed;
  top: -5rem;
  z-index: 20000;
}

body.userguide-page .guide-skip-link:focus {
  top: 0;
}

body.userguide-page .guide-main {
  padding-top: 4.9rem;
}

body.userguide-page .guide-shell {
  margin: 0 auto;
  max-width: 1180px;
  padding: 0 1.5rem;
}

body.userguide-page .guide-hero {
  background:
    radial-gradient(circle at 86% 14%, rgba(64, 196, 169, 0.24), transparent 28rem),
    linear-gradient(135deg, #0d1b2a 0%, #153348 56%, #174d46 100%);
  color: #ffffff;
  overflow: hidden;
  padding: 5rem 0 4rem;
  position: relative;
}

body.userguide-page .guide-hero::after {
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: 50%;
  content: "";
  height: 24rem;
  position: absolute;
  right: -8rem;
  top: -12rem;
  width: 24rem;
}

body.userguide-page .guide-eyebrow {
  color: #8ee7d6;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  margin: 0 0 0.8rem;
  text-transform: uppercase;
}

body.userguide-page .guide-hero h1 {
  color: #ffffff;
  font-size: clamp(2rem, 5vw, 3.7rem);
  font-weight: 800;
  letter-spacing: 0.01em;
  line-height: 1.2;
  margin: 0;
  text-transform: none;
}

body.userguide-page .guide-hero__lead {
  color: #dce9ec;
  font-size: clamp(1rem, 2vw, 1.18rem);
  line-height: 1.9;
  margin: 1.25rem 0 0;
  max-width: 46rem;
}

body.userguide-page .guide-quick-start {
  display: grid;
  gap: 0.85rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 2.25rem;
  max-width: 56rem;
}

body.userguide-page .guide-quick-link {
  align-items: center;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 0.85rem;
  color: #ffffff;
  display: flex;
  font-size: 0.86rem;
  font-weight: 700;
  gap: 0.75rem;
  line-height: 1.45;
  min-height: 4.4rem;
  padding: 0.9rem 1rem;
  text-decoration: none;
  transition: background-color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

body.userguide-page .guide-quick-link:hover,
body.userguide-page .guide-quick-link:focus-visible {
  background: rgba(64, 196, 169, 0.18);
  border-color: rgba(142, 231, 214, 0.72);
  color: #ffffff;
  transform: translateY(-2px);
}

body.userguide-page .guide-quick-link__number {
  align-items: center;
  background: var(--guide-accent);
  border-radius: 50%;
  color: var(--guide-navy);
  display: inline-flex;
  flex: 0 0 auto;
  font-size: 0.76rem;
  height: 2rem;
  justify-content: center;
  width: 2rem;
}

body.userguide-page .guide-workspace {
  padding: 2rem 0 5rem;
}

body.userguide-page .guide-navigation {
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid var(--guide-border);
  border-radius: 1.1rem;
  box-shadow: 0 12px 30px rgba(13, 27, 42, 0.08);
  margin-bottom: 1.5rem;
  padding: 0.75rem;
  position: sticky;
  top: 4.85rem;
  z-index: 50;
}

body.userguide-page .guide-tab-menu {
  display: grid;
  gap: 0.55rem;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

body.userguide-page .guide-tab-button {
  align-items: center;
  appearance: none;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 0.7rem;
  color: #3f5059;
  cursor: pointer;
  display: inline-flex;
  font: inherit;
  font-size: 0.78rem;
  font-weight: 750;
  justify-content: center;
  letter-spacing: 0;
  line-height: 1.4;
  min-width: 0;
  min-height: 3.2rem;
  padding: 0.7rem 0.8rem;
  text-align: center;
  text-transform: none;
  transition: background-color 0.18s ease, border-color 0.18s ease, color 0.18s ease;
  width: 100%;
}

body.userguide-page .guide-tab-button:hover {
  background: var(--guide-accent-soft);
  border-color: #c7ebe3;
  color: var(--guide-accent-dark);
}

body.userguide-page .guide-tab-button[aria-selected="true"] {
  background: var(--guide-navy);
  border-color: var(--guide-navy);
  color: #ffffff;
}

body.userguide-page .guide-tab-button:focus-visible,
body.userguide-page .guide-image-button:focus-visible,
body.userguide-page .guide-lightbox__close:focus-visible {
  outline: 3px solid rgba(64, 196, 169, 0.62);
  outline-offset: 3px;
}

body.userguide-page .guide-panel[hidden] {
  display: none !important;
}

body.userguide-page .guide-panel {
  animation: guide-panel-in 0.25s ease;
}

@keyframes guide-panel-in {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

body.userguide-page .guide-panel__header {
  align-items: end;
  background: var(--guide-accent);
  border-radius: 1.15rem;
  color: var(--guide-navy);
  display: grid;
  gap: 1.4rem;
  grid-template-columns: minmax(0, 1fr) auto;
  margin-bottom: 1rem;
  overflow: hidden;
  padding: 2rem 2.25rem;
  position: relative;
}

body.userguide-page .guide-panel__header::after {
  border: 1px solid rgba(13, 27, 42, 0.12);
  border-radius: 50%;
  content: "";
  height: 9rem;
  position: absolute;
  right: -3rem;
  top: -4.5rem;
  width: 9rem;
}

body.userguide-page .guide-panel__index {
  color: #15594e;
  font-size: 0.76rem;
  font-weight: 850;
  letter-spacing: 0.12em;
  margin-bottom: 0.45rem;
  text-transform: uppercase;
}

body.userguide-page .guide-panel__header h2 {
  color: var(--guide-navy);
  font-size: clamp(1.6rem, 3vw, 2.35rem);
  font-weight: 850;
  letter-spacing: 0;
  line-height: 1.3;
  margin: 0;
  text-transform: none;
}

body.userguide-page .guide-panel__header p {
  color: #183f3b;
  line-height: 1.8;
  margin: 0.75rem 0 0;
  max-width: 48rem;
}

body.userguide-page .guide-panel__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: flex-end;
  position: relative;
  z-index: 1;
}

body.userguide-page .guide-pill {
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid rgba(13, 27, 42, 0.12);
  border-radius: 999px;
  color: var(--guide-navy);
  display: inline-flex;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  padding: 0.45rem 0.75rem;
}

body.userguide-page .guide-pill--pro {
  background: #f1edff;
  border-color: #d8ccff;
  color: #5137a8;
}

body.userguide-page .guide-card {
  align-items: center;
  background: var(--guide-surface);
  border: 1px solid var(--guide-border);
  border-radius: 1.05rem;
  box-shadow: 0 8px 22px rgba(13, 27, 42, 0.055);
  display: grid;
  gap: clamp(1.5rem, 4vw, 3rem);
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  margin-bottom: 1rem;
  padding: clamp(1.35rem, 3vw, 2.25rem);
}

body.userguide-page .guide-card--text {
  grid-template-columns: 1fr;
}

body.userguide-page .guide-card--media-left .guide-card__content {
  order: 2;
}

body.userguide-page .guide-card--media-left .guide-card__media {
  order: 1;
}

body.userguide-page .guide-card__label {
  color: var(--guide-accent-dark);
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 850;
  letter-spacing: 0.11em;
  margin-bottom: 0.55rem;
  text-transform: uppercase;
}

body.userguide-page .guide-card h3 {
  color: var(--guide-ink);
  font-size: clamp(1.15rem, 2.3vw, 1.45rem);
  font-weight: 800;
  letter-spacing: 0;
  line-height: 1.45;
  margin: 0 0 0.9rem;
  text-transform: none;
}

body.userguide-page .guide-card h4 {
  color: var(--guide-ink);
  font-size: 0.98rem;
  font-weight: 800;
  letter-spacing: 0;
  margin: 1.3rem 0 0.45rem;
  text-transform: none;
}

body.userguide-page .guide-card p,
body.userguide-page .guide-card li {
  color: var(--guide-muted);
  font-size: 0.92rem;
  line-height: 1.9;
}

body.userguide-page .guide-card p:last-child {
  margin-bottom: 0;
}

body.userguide-page .guide-card ul,
body.userguide-page .guide-card ol {
  margin: 0.8rem 0 0;
}

body.userguide-page .guide-card li + li {
  margin-top: 0.35rem;
}

body.userguide-page .guide-steps {
  counter-reset: guide-step;
  list-style: none;
  padding-left: 0;
}

body.userguide-page .guide-steps li {
  counter-increment: guide-step;
  min-height: 2rem;
  padding-left: 2.7rem;
  position: relative;
}

body.userguide-page .guide-steps li::before {
  align-items: center;
  background: var(--guide-accent-soft);
  border: 1px solid #bfe8df;
  border-radius: 50%;
  color: var(--guide-accent-dark);
  content: counter(guide-step);
  display: inline-flex;
  font-size: 0.75rem;
  font-weight: 850;
  height: 1.8rem;
  justify-content: center;
  left: 0;
  position: absolute;
  top: 0.1rem;
  width: 1.8rem;
}

body.userguide-page .guide-callout {
  background: var(--guide-accent-soft);
  border-left: 4px solid var(--guide-accent);
  border-radius: 0.6rem;
  color: #315c55;
  font-size: 0.83rem;
  line-height: 1.75;
  margin-top: 1.15rem;
  padding: 0.85rem 1rem;
}

body.userguide-page .guide-callout--warning {
  background: var(--guide-warning-bg);
  border-left-color: #e3a32e;
  color: var(--guide-warning);
}

body.userguide-page .guide-callout strong {
  color: inherit;
}

body.userguide-page .guide-inline-link {
  color: var(--guide-accent-dark);
  font-weight: 800;
}

body.userguide-page .guide-figure {
  margin: 0;
}

body.userguide-page .guide-image-button {
  align-items: center;
  appearance: none;
  background: #10161e;
  border: 1px solid #25323e;
  border-radius: 0.85rem;
  cursor: zoom-in;
  display: flex;
  justify-content: center;
  letter-spacing: 0;
  line-height: normal;
  min-height: 16rem;
  min-width: 0;
  overflow: hidden;
  padding: 0;
  position: relative;
  text-transform: none;
  width: 100%;
}

body.userguide-page .guide-image-button::after {
  background: rgba(13, 27, 42, 0.84);
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 999px;
  bottom: 0.7rem;
  color: #ffffff;
  content: "拡大";
  font-size: 0.68rem;
  font-weight: 800;
  line-height: 1;
  opacity: 0;
  padding: 0.55rem 0.7rem;
  position: absolute;
  right: 0.7rem;
  transform: translateY(4px);
  transition: opacity 0.18s ease, transform 0.18s ease;
}

body.userguide-page .guide-image-button:hover::after,
body.userguide-page .guide-image-button:focus-visible::after {
  opacity: 1;
  transform: translateY(0);
}

body.userguide-page .guide-image-button img {
  display: block;
  height: 100%;
  margin: 0;
  max-height: 100%;
  object-fit: contain;
  width: 100%;
}

body.userguide-page .guide-marker {
  align-items: center;
  background: var(--guide-accent);
  border: 2px solid #ffffff;
  border-radius: 50%;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.42);
  color: var(--guide-navy);
  display: inline-flex;
  font-size: 0.72rem;
  font-weight: 900;
  height: 1.75rem;
  justify-content: center;
  left: var(--marker-x);
  line-height: 1;
  pointer-events: none;
  position: absolute;
  top: var(--marker-y);
  transform: translate(-50%, -50%);
  width: 1.75rem;
  z-index: 2;
}

body.userguide-page .guide-figure--overview .guide-image-button {
  aspect-ratio: 16 / 10;
}

body.userguide-page .guide-figure--detail .guide-image-button {
  aspect-ratio: 4 / 3;
}

body.userguide-page .guide-figure--control .guide-image-button {
  aspect-ratio: 16 / 8;
  min-height: 10rem;
  padding: 1.5rem;
}

body.userguide-page .guide-figure--control .guide-image-button img {
  height: auto;
  max-height: 10rem;
  max-width: 23rem;
  width: auto;
}

body.userguide-page .guide-figure--portrait .guide-image-button {
  aspect-ratio: 4 / 5;
  margin: 0 auto;
  max-width: 24rem;
}

body.userguide-page .guide-figure--portrait .guide-image-button img {
  height: 100%;
  max-height: 34rem;
  width: 100%;
}

body.userguide-page .guide-figure figcaption {
  color: #6a7981;
  font-size: 0.75rem;
  line-height: 1.6;
  margin-top: 0.65rem;
  text-align: center;
}

body.userguide-page .guide-media-stack {
  display: grid;
  gap: 1rem;
}

body.userguide-page .guide-related {
  background: #eaf2f1;
  border: 1px solid #d4e3e0;
  border-radius: 0.85rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1rem;
  padding: 1rem;
}

body.userguide-page .guide-related a {
  background: #ffffff;
  border: 1px solid #d3dfdd;
  border-radius: 999px;
  color: var(--guide-accent-dark);
  font-size: 0.78rem;
  font-weight: 800;
  padding: 0.55rem 0.8rem;
  text-decoration: none;
}

body.userguide-page .guide-related a:hover {
  border-color: var(--guide-accent);
}

body.userguide-page .guide-lightbox {
  background: transparent;
  border: 0;
  height: 100%;
  margin: auto;
  max-height: 100%;
  max-width: 100%;
  padding: 0;
  width: 100%;
}

body.userguide-page .guide-lightbox::backdrop {
  background: rgba(4, 10, 15, 0.88);
}

body.userguide-page .guide-lightbox__inner {
  align-items: center;
  display: flex;
  flex-direction: column;
  height: 100%;
  justify-content: center;
  padding: 4rem 1.5rem 2rem;
  position: relative;
}

body.userguide-page .guide-lightbox img {
  background: #10161e;
  border-radius: 0.75rem;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.45);
  max-height: calc(100vh - 8rem);
  max-width: min(94vw, 1400px);
  object-fit: contain;
}

body.userguide-page .guide-lightbox__caption {
  color: #e4ecef;
  font-size: 0.83rem;
  margin: 0.9rem 0 0;
  text-align: center;
}

body.userguide-page .guide-lightbox__close {
  appearance: none;
  background: #ffffff;
  border: 0;
  border-radius: 999px;
  color: var(--guide-navy);
  cursor: pointer;
  font: inherit;
  font-size: 0.8rem;
  font-weight: 850;
  letter-spacing: 0;
  line-height: 1;
  min-width: 0;
  padding: 0.7rem 1rem;
  position: absolute;
  right: 1.5rem;
  text-transform: none;
  top: 1.2rem;
  width: auto;
}

@media screen and (max-width: 980px) {
  body.userguide-page .guide-main {
    padding-top: 4.6rem;
  }

  body.userguide-page .guide-navigation {
    top: 4.55rem;
  }

  body.userguide-page .guide-tab-menu {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  body.userguide-page .guide-card {
    align-items: start;
    grid-template-columns: minmax(0, 1fr);
  }

  body.userguide-page .guide-card--media-left .guide-card__content,
  body.userguide-page .guide-card--media-left .guide-card__media {
    order: initial;
  }
}

@media screen and (max-width: 736px) {
  html {
    scroll-behavior: auto;
  }

  body.userguide-page .guide-main {
    padding-top: 0;
  }

  body.userguide-page .guide-shell {
    padding: 0 1rem;
  }

  body.userguide-page .guide-hero {
    padding: 3.5rem 0 3rem;
  }

  body.userguide-page .guide-quick-start {
    grid-template-columns: 1fr;
  }

  body.userguide-page .guide-quick-link {
    min-height: 3.8rem;
  }

  body.userguide-page .guide-workspace {
    padding: 1rem 0 3.5rem;
  }

  body.userguide-page .guide-navigation {
    border-radius: 0.85rem;
    margin-left: -0.25rem;
    margin-right: -0.25rem;
    overflow: hidden;
    padding: 0.55rem;
    position: sticky;
    top: 0.5rem;
  }

  body.userguide-page .guide-tab-menu {
    display: flex;
    gap: 0.45rem;
    overflow-x: auto;
    padding: 0.1rem 0 0.35rem;
    scrollbar-width: thin;
    scroll-snap-type: x proximity;
  }

  body.userguide-page .guide-tab-button {
    flex: 0 0 9.5rem;
    min-height: 2.85rem;
    scroll-snap-align: start;
  }

  body.userguide-page .guide-panel__header {
    align-items: start;
    grid-template-columns: 1fr;
    padding: 1.5rem;
  }

  body.userguide-page .guide-panel__meta {
    justify-content: flex-start;
  }

  body.userguide-page .guide-card {
    border-radius: 0.85rem;
    gap: 1.3rem;
    padding: 1.25rem;
  }

  body.userguide-page .guide-card p,
  body.userguide-page .guide-card li {
    font-size: 0.88rem;
  }

  body.userguide-page .guide-image-button {
    min-height: 11rem;
  }

  body.userguide-page .guide-figure--control .guide-image-button {
    min-height: 8rem;
  }

  body.userguide-page .guide-lightbox__inner {
    padding-left: 0.75rem;
    padding-right: 0.75rem;
  }

  body.userguide-page .guide-lightbox__close {
    right: 0.75rem;
  }
}

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

  body.userguide-page .guide-panel {
    animation: none;
  }

  body.userguide-page .guide-quick-link,
  body.userguide-page .guide-image-button::after {
    transition: none;
  }
}