.san-nav {
  --san-cream: #fffdf6;
  --san-cream-deep: #fff8df;
  --san-yellow: #f5c928;
  --san-yellow-soft: #fff3b8;
  --san-green: #356b55;
  --san-green-dark: #285340;
  --san-green-soft: #eaf4ed;
  --san-blue-soft: #eaf6f7;
  --san-brown: #51483d;
  --san-muted: #766d61;
  --san-line: #e5dcc9;
  --san-white: #fff;
  color: var(--san-brown);
  font-family: inherit;
  width: 100%;
}

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

.san-nav [hidden] { display: none !important; }

.san-card {
  background: var(--san-cream);
  border: 1px solid var(--san-line);
  border-radius: 20px;
  box-shadow: 0 10px 30px rgba(77, 66, 47, .08);
  display: grid;
  gap: clamp(18px, 3vw, 28px);
  margin: 28px auto;
  max-width: 920px;
  overflow: hidden;
  padding: clamp(20px, 4vw, 38px);
}

.san-heading { text-align: center; }

.san-heading h2,
.san-question h3,
.san-result h3,
.san-primary h4,
.san-heading p,
.san-question p,
.san-result p { margin-top: 0; }

.san-heading h2 {
  color: var(--san-brown);
  font-size: clamp(23px, 3.8vw, 34px);
  letter-spacing: .01em;
  line-height: 1.45;
  margin-bottom: 10px;
}

.san-heading h2::after {
  background: var(--san-yellow);
  border-radius: 20px;
  content: "";
  display: block;
  height: 5px;
  margin: 10px auto 0;
  max-width: 145px;
}

.san-heading p,
.san-question p,
.san-result-lead p { color: var(--san-muted); }

.san-eyebrow,
.san-topic-chip,
.san-mini-label,
.san-role,
.san-helper {
  align-items: center;
  border-radius: 999px;
  display: inline-flex;
  font-size: 13px;
  font-weight: 700;
  gap: 6px;
  line-height: 1.4;
  width: fit-content;
}

.san-eyebrow {
  background: var(--san-green-soft);
  color: var(--san-green-dark);
  margin-bottom: 10px;
  padding: 7px 12px;
}

.san-eyebrow svg,
.san-back svg,
.san-button svg,
.san-nav .san-link-arrow svg { height: 18px; width: 18px; }

.san-helper {
  background: var(--san-yellow-soft);
  color: #6b5710;
  justify-content: center;
  margin-top: 4px;
  padding: 5px 11px;
}

.san-nav svg {
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.san-progress {
  display: grid;
  gap: 7px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 0 auto;
  max-width: 190px;
  width: 100%;
}

.san-progress span {
  background: var(--san-line);
  border-radius: 999px;
  height: 5px;
  transition: background-color .2s ease;
}

.san-progress span.is-active { background: var(--san-yellow); }

.san-question {
  margin-bottom: 16px;
  text-align: center;
}

.san-question h3 {
  color: var(--san-brown);
  font-size: clamp(19px, 2.5vw, 24px);
  line-height: 1.5;
  margin-bottom: 5px;
}

.san-question p { font-size: 14px; margin-bottom: 0; }

.san-topic-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.san-topic-button,
.san-route-button,
.san-button,
.san-back {
  -webkit-appearance: none;
  appearance: none;
  cursor: pointer;
  font: inherit;
  text-decoration: none !important;
}

.san-topic-button {
  align-content: center;
  align-items: center;
  background: var(--san-white);
  border: 1px solid var(--san-line);
  border-radius: 14px;
  color: var(--san-brown);
  display: grid;
  gap: 9px;
  justify-items: center;
  min-height: 112px;
  padding: 14px 10px;
  text-align: center;
  transition: border-color .18s ease, box-shadow .18s ease, transform .18s ease;
}

.san-topic-button:nth-child(2n) { background: #fffef9; }

.san-topic-button:hover {
  border-color: var(--san-green);
  box-shadow: 0 5px 14px rgba(53, 107, 85, .12);
  transform: translateY(-2px);
}

.san-topic-button:focus-visible,
.san-route-button:focus-visible,
.san-button:focus-visible,
.san-back:focus-visible {
  outline: 3px solid rgba(245, 201, 40, .7);
  outline-offset: 3px;
}

.san-topic-icon {
  align-items: center;
  background: var(--san-green-soft);
  border-radius: 50%;
  color: var(--san-green);
  display: flex;
  height: 46px;
  justify-content: center;
  width: 46px;
}

.san-topic-button:nth-child(2) .san-topic-icon,
.san-topic-button:nth-child(5) .san-topic-icon { background: var(--san-yellow-soft); color: #78610a; }

.san-topic-button:nth-child(3) .san-topic-icon { background: var(--san-blue-soft); color: #38717a; }

.san-topic-icon svg { height: 25px; width: 25px; }
.san-topic-label { font-size: 15px; font-weight: 700; line-height: 1.45; }

.san-back {
  align-items: center;
  background: transparent;
  border: 0;
  color: var(--san-green-dark);
  display: inline-flex;
  font-size: 14px;
  gap: 4px;
  margin: 0 0 12px;
  padding: 4px 2px;
}

.san-topic-chip {
  background: var(--san-green-soft);
  color: var(--san-green-dark);
  margin-bottom: 8px;
  padding: 6px 11px;
}

.san-route-list-front { display: grid; gap: 9px; margin: 0 auto; max-width: 720px; }

.san-route-button {
  align-items: center;
  background: var(--san-white);
  border: 1px solid var(--san-line);
  border-radius: 12px;
  color: var(--san-brown);
  display: grid;
  font-weight: 700;
  gap: 11px;
  grid-template-columns: auto minmax(0, 1fr);
  line-height: 1.5;
  min-height: 56px;
  padding: 12px 16px;
  text-align: left;
  transition: border-color .18s ease, background-color .18s ease;
  width: 100%;
}

.san-route-button:hover { background: var(--san-cream-deep); border-color: var(--san-yellow); }

.san-route-arrow {
  align-items: center;
  background: var(--san-green-soft);
  border-radius: 50%;
  color: var(--san-green);
  display: flex;
  height: 28px;
  justify-content: center;
  width: 28px;
}

.san-route-arrow svg { height: 16px; width: 16px; }

.san-result { display: grid; gap: 18px; }
.san-result-lead { text-align: center; }
.san-result-lead .san-mini-label { margin: 0 auto 7px; }
.san-result-lead h3 { font-size: clamp(20px, 3vw, 27px); margin-bottom: 7px; }
.san-result-lead p { margin-bottom: 0; }

.san-mini-label,
.san-role {
  background: var(--san-green-soft);
  color: var(--san-green-dark);
  padding: 5px 9px;
}

.san-primary-card {
  align-items: stretch;
  background: var(--san-white);
  border: 1px solid var(--san-line);
  border-radius: 15px;
  display: grid;
  grid-template-columns: minmax(180px, .85fr) minmax(0, 1.55fr);
  overflow: hidden;
}

.san-primary-image {
  align-items: center;
  background: var(--san-cream-deep);
  display: flex;
  justify-content: center;
  min-height: 230px;
  overflow: hidden;
}
.san-primary-image img,
.san-related-image img {
  display: block;
  height: 100%;
  object-fit: contain;
  object-position: center;
  width: 100%;
}
.san-primary-image:not(:has(img)),
.san-related-image:not(:has(img)) { align-items: center; color: var(--san-green); display: flex; justify-content: center; }
.san-primary-image > svg { height: 48px; width: 48px; }

.san-primary-body { align-content: center; display: grid; justify-items: start; padding: clamp(18px, 3vw, 28px); }
.san-primary-body h4 { color: var(--san-brown); font-size: clamp(18px, 2.3vw, 23px); line-height: 1.55; margin: 10px 0 8px; }
.san-primary-body p { color: var(--san-muted); font-size: 14px; line-height: 1.8; margin-bottom: 15px; }

.san-button {
  align-items: center;
  border: 1px solid transparent;
  border-radius: 10px;
  display: inline-flex;
  font-size: 15px;
  font-weight: 700;
  gap: 6px;
  justify-content: center;
  line-height: 1.4;
  min-height: 48px;
  padding: 11px 18px;
  text-align: center;
}

.san-button-main { background: var(--san-green); color: #fff !important; }
.san-button-main:hover { background: var(--san-green-dark); color: #fff !important; }
.san-button-cta { background: var(--san-yellow); color: #58470c !important; }
.san-button-cta:hover { background: #e8bb19; color: #493b09 !important; }
.san-button-sub { background: var(--san-white); border-color: var(--san-line); color: var(--san-green-dark) !important; }
.san-button-sub:hover { background: var(--san-green-soft); border-color: var(--san-green); }
.san-link-arrow { display: inline-flex; }

.san-related-heading { color: var(--san-muted); font-size: 13px; font-weight: 700; margin-bottom: 7px !important; }
.san-related { display: grid; gap: 8px; }

.san-related-card {
  align-items: center;
  background: var(--san-white);
  border: 1px solid var(--san-line);
  border-radius: 11px;
  color: var(--san-brown) !important;
  display: grid;
  gap: 12px;
  grid-template-columns: 88px minmax(0, 1fr) auto;
  min-height: 80px;
  overflow: hidden;
  padding: 0 14px 0 0;
  text-decoration: none !important;
}

.san-related-card:hover { border-color: var(--san-green); }
.san-related-image {
  align-items: center;
  align-self: stretch;
  background: var(--san-cream-deep);
  display: flex;
  justify-content: center;
  min-height: 78px;
  overflow: hidden;
}
.san-related-image > svg { height: 28px; width: 28px; }
.san-related-body { display: grid; gap: 5px; padding: 8px 0; }
.san-role { font-size: 11px; padding: 3px 7px; }
.san-related-title { font-size: 14px; font-weight: 700; line-height: 1.55; }
.san-related-arrow { color: var(--san-green); display: flex; }
.san-related-arrow svg { height: 20px; width: 20px; }

.san-actions { display: flex; flex-wrap: wrap; gap: 9px; }
.san-actions .san-button-main { flex: 1 1 260px; }
.san-actions .san-button-cta { flex: 1 1 220px; }
.san-actions .san-button-sub { flex: 0 1 auto; }

.san-banner { background: var(--san-white); border: 1px solid var(--san-line); border-radius: 12px; overflow: hidden; padding: 12px; text-align: center; }
.san-banner img { height: auto; max-width: 100%; }

.san-revisit {
  align-items: center;
  background: var(--san-blue-soft);
  border: 1px solid #cae4e6;
  border-radius: 13px;
  display: flex;
  gap: 14px;
  justify-content: space-between;
  padding: 13px 15px;
}

.san-revisit > div { display: grid; gap: 3px; }
.san-revisit strong { color: var(--san-brown); font-size: 14px; }
.san-revisit [data-san-new-count] { color: #346972; font-size: 12px; font-weight: 700; }
.san-revisit .san-mini-label { background: transparent; padding: 0; }
.san-revisit .san-button { flex-shrink: 0; min-height: 42px; padding: 8px 13px; }

.san-empty { background: #fff8df; border: 1px solid #eadca8; padding: 14px; }

/* サイドバー専用レイアウト */
.san-layout-sidebar .san-card {
  border-radius: 14px;
  box-shadow: 0 6px 18px rgba(77, 66, 47, .07);
  gap: 15px;
  margin: 0;
  max-width: none;
  padding: 17px 13px;
}

.san-layout-sidebar .san-eyebrow {
  font-size: 11px;
  margin-bottom: 7px;
  padding: 5px 9px;
}

.san-layout-sidebar .san-eyebrow svg { height: 15px; width: 15px; }

.san-layout-sidebar .san-heading h2 {
  font-size: 20px;
  line-height: 1.4;
  margin-bottom: 7px;
}

.san-layout-sidebar .san-heading h2::after {
  height: 4px;
  margin-top: 7px;
  max-width: 82px;
}

.san-layout-sidebar .san-heading p {
  font-size: 12px;
  line-height: 1.7;
  margin-bottom: 0;
}

.san-layout-sidebar .san-helper { display: none; }

.san-layout-sidebar .san-progress {
  gap: 5px;
  max-width: 110px;
}

.san-layout-sidebar .san-progress span { height: 4px; }

.san-layout-sidebar .san-question {
  margin-bottom: 11px;
  text-align: left;
}

.san-layout-sidebar .san-question h3 {
  font-size: 16px;
  line-height: 1.5;
  margin-bottom: 3px;
}

.san-layout-sidebar .san-question p {
  font-size: 12px;
  line-height: 1.65;
}

.san-layout-sidebar .san-topic-grid {
  gap: 7px;
  grid-template-columns: 1fr;
}

.san-layout-sidebar .san-topic-button {
  align-content: center;
  display: grid;
  gap: 9px;
  grid-template-columns: 35px minmax(0, 1fr);
  justify-items: start;
  min-height: 53px;
  padding: 8px 10px;
  text-align: left;
}

.san-layout-sidebar .san-topic-button:hover { transform: none; }

.san-layout-sidebar .san-topic-icon {
  height: 35px;
  width: 35px;
}

.san-layout-sidebar .san-topic-icon svg { height: 20px; width: 20px; }
.san-layout-sidebar .san-topic-label { font-size: 13px; }

.san-layout-sidebar .san-back {
  font-size: 12px;
  margin-bottom: 8px;
}

.san-layout-sidebar .san-topic-chip {
  font-size: 11px;
  margin-bottom: 6px;
  padding: 4px 8px;
}

.san-layout-sidebar .san-route-list-front { gap: 7px; }

.san-layout-sidebar .san-route-button {
  font-size: 13px;
  gap: 8px;
  min-height: 50px;
  padding: 9px 10px;
}

.san-layout-sidebar .san-route-arrow {
  height: 25px;
  width: 25px;
}

.san-layout-sidebar .san-result { gap: 13px; }
.san-layout-sidebar .san-result-lead { text-align: left; }
.san-layout-sidebar .san-result-lead .san-mini-label { margin: 0 0 6px; }

.san-layout-sidebar .san-result-lead h3 {
  font-size: 18px;
  line-height: 1.5;
  margin-bottom: 5px;
}

.san-layout-sidebar .san-result-lead p {
  font-size: 12px;
  line-height: 1.65;
}

.san-layout-sidebar .san-primary-card { grid-template-columns: 1fr; }

.san-layout-sidebar .san-primary-image {
  aspect-ratio: 4 / 3;
  min-height: 0;
}

.san-layout-sidebar .san-primary-body {
  justify-items: stretch;
  padding: 13px;
}

.san-layout-sidebar .san-primary-body .san-mini-label {
  font-size: 10px;
  justify-self: start;
  padding: 4px 7px;
}

.san-layout-sidebar .san-primary-body h4 {
  font-size: 15px;
  line-height: 1.55;
  margin: 8px 0 11px;
}

.san-layout-sidebar .san-primary-body p { display: none; }

.san-layout-sidebar .san-button {
  font-size: 13px;
  min-height: 43px;
  padding: 9px 11px;
  width: 100%;
}

.san-layout-sidebar .san-related-heading {
  font-size: 12px;
  margin-bottom: 6px !important;
}

.san-layout-sidebar .san-related { gap: 6px; }

.san-layout-sidebar .san-related-card {
  gap: 7px;
  grid-template-columns: minmax(0, 1fr) auto;
  min-height: 0;
  padding: 9px 10px;
}

.san-layout-sidebar .san-related-image,
.san-layout-sidebar .san-related-card .san-role { display: none; }

.san-layout-sidebar .san-related-body {
  display: block;
  padding: 0;
}

.san-layout-sidebar .san-related-title {
  font-size: 12px;
  line-height: 1.55;
}

.san-layout-sidebar .san-related-arrow svg { height: 17px; width: 17px; }

.san-layout-sidebar .san-actions { display: grid; }
.san-layout-sidebar .san-actions .san-button { width: 100%; }

.san-layout-sidebar .san-banner {
  border-radius: 10px;
  padding: 8px;
}

.san-layout-sidebar .san-revisit {
  align-items: stretch;
  display: grid;
  gap: 9px;
  padding: 10px;
}

.san-layout-sidebar .san-revisit strong { font-size: 12px; }
.san-layout-sidebar .san-revisit [data-san-new-count] { font-size: 11px; }

@media (max-width: 680px) {
  .san-card { border-radius: 15px; margin: 20px auto; }
  .san-topic-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .san-topic-button { min-height: 104px; }
  .san-primary-card { grid-template-columns: 1fr; }
  .san-primary-image { aspect-ratio: 4 / 3; min-height: 0; }
  .san-primary-body { padding: 18px; }
  .san-actions { display: grid; }
  .san-actions .san-button { width: 100%; }
  .san-revisit { align-items: stretch; display: grid; }
}

@media (max-width: 430px) {
  .san-card { padding: 18px 14px; }
  .san-heading h2 { font-size: 22px; }
  .san-related-card { gap: 9px; grid-template-columns: 72px minmax(0, 1fr) auto; padding-right: 9px; }
  .san-related-title { font-size: 13px; }
}

@media (prefers-reduced-motion: reduce) {
  .san-nav * { scroll-behavior: auto !important; transition: none !important; }
}