:root {
  --snb-ink: #171821;
  --snb-muted: #666879;
  --snb-bg: #f6f5f1;
  --snb-paper: #ffffff;
  --snb-line: rgba(19, 20, 28, 0.12);
  --snb-dark: #111217;
  --snb-silver: #dfe4ec;
  --snb-blue: #7ed7f4;
  --snb-pink: #f1a6cf;
  --snb-purple: #7d65c9;
  --snb-shadow: 0 22px 60px rgba(18, 19, 28, 0.16);
  color-scheme: light;
}

html,
body {
  max-width: 100%;
  overflow-x: hidden;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 12% 6%, rgba(126, 215, 244, 0.18), transparent 24rem),
    radial-gradient(circle at 88% 14%, rgba(241, 166, 207, 0.2), transparent 24rem),
    linear-gradient(180deg, #fdfcf9 0%, var(--snb-bg) 48%, #eceff5 100%);
  color: var(--snb-ink);
}

body > [data-tc-header] {
  display: block;
  width: 100%;
  max-width: none;
  margin: 0;
}

body > .tc-common-footer {
  width: 100% !important;
  margin-right: 0 !important;
  margin-left: 0 !important;
}

.snb-page {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 34px 0 64px;
}

.snb-hero {
  display: grid;
  gap: 20px;
}

.snb-hero-visual,
.snb-hero-visual img {
  display: block;
  width: 100%;
}

.snb-hero-visual {
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(17, 18, 23, 0.16);
  border-radius: 26px;
  background: #fff;
  box-shadow: var(--snb-shadow);
}

.snb-hero-visual img {
  height: auto;
}

.snb-hero-card,
.snb-info-card,
.snb-result-card,
.snb-result-section,
.snb-share-card,
.snb-loading-card {
  border: 1px solid var(--snb-line);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 0 16px 44px rgba(18, 19, 28, 0.1);
}

.snb-hero-card {
  padding: clamp(22px, 4vw, 36px);
}

.snb-kicker {
  margin: 0 0 10px;
  color: var(--snb-purple);
  font-size: 0.82rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.snb-hero h1,
.snb-result-title {
  margin: 0;
  color: var(--snb-dark);
  font-family: "Hiragino Mincho ProN", "Yu Mincho", serif;
  font-size: clamp(2rem, 5.3vw, 4.2rem);
  line-height: 1.12;
  letter-spacing: 0;
}

.snb-lead,
.snb-info-card p,
.snb-result-lead,
.snb-result-section p,
.snb-note {
  color: var(--snb-muted);
  line-height: 1.85;
}

.snb-lead {
  margin: 16px 0 0;
  font-weight: 700;
}

.snb-form {
  display: grid;
  gap: 16px;
  margin-top: 24px;
}

.snb-fieldset {
  min-width: 0;
  margin: 0;
  border: 1px solid rgba(17, 18, 23, 0.14);
  border-radius: 18px;
  padding: 16px;
  background: rgba(247, 248, 251, 0.84);
}

.snb-fieldset legend {
  padding: 0 8px;
  color: var(--snb-dark);
  font-weight: 900;
}

.snb-date-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.9fr 0.9fr;
  gap: 10px;
}

.snb-date-grid label {
  display: grid;
  gap: 6px;
  color: var(--snb-muted);
  font-size: 0.86rem;
  font-weight: 800;
}

.snb-date-grid select {
  width: 100%;
  min-height: 48px;
  border: 1px solid rgba(17, 18, 23, 0.18);
  border-radius: 12px;
  padding: 0 12px;
  background: #fff;
  color: var(--snb-ink);
  font-size: 16px;
  font-weight: 800;
}

.snb-blood-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 8px;
}

.snb-blood-grid label {
  cursor: pointer;
}

.snb-blood-grid input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.snb-blood-grid span {
  display: flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(17, 18, 23, 0.14);
  border-radius: 999px;
  background: #fff;
  color: var(--snb-dark);
  font-weight: 900;
}

.snb-blood-grid input:checked + span {
  border-color: transparent;
  background: linear-gradient(135deg, var(--snb-dark), #424655);
  color: #fff;
  box-shadow: 0 10px 24px rgba(18, 19, 28, 0.16);
}

.snb-button,
.snb-share-row button,
.snb-share-card button,
.snb-share-card a {
  display: inline-flex;
  box-sizing: border-box;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(17, 18, 23, 0.16);
  border-radius: 999px;
  padding: 0 24px;
  font-weight: 900;
  text-decoration: none;
  cursor: pointer;
}

.snb-button-primary {
  width: 100%;
  border: none;
  background: linear-gradient(135deg, var(--snb-dark), #3b3f4c 62%, #657281);
  color: #fff;
  box-shadow: 0 14px 34px rgba(18, 19, 28, 0.2);
}

.snb-error {
  display: none;
  margin: 0;
  border-radius: 14px;
  padding: 12px 14px;
  background: #fff2f4;
  color: #b8203f;
  font-weight: 800;
}

.snb-error.is-visible {
  display: block;
}

.snb-note {
  margin: 14px 0 0;
  font-size: 0.92rem;
  font-weight: 700;
}

.snb-share-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin: 20px 0 0;
}

.snb-share-row button {
  min-width: 112px;
  background: rgba(255, 255, 255, 0.82);
  color: var(--snb-dark);
}

.snb-info {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 32px;
}

.snb-info-card {
  padding: 22px;
}

.snb-info-card h2,
.snb-section-heading h2,
.snb-result-section h2 {
  margin: 0;
  color: var(--snb-dark);
  font-size: clamp(1.35rem, 3vw, 2rem);
  line-height: 1.25;
}

.snb-info-card p {
  margin: 12px 0 0;
  font-weight: 700;
}

.snb-related,
.snb-result-shell {
  margin-top: 32px;
}

.snb-section-heading {
  margin-bottom: 16px;
}

.snb-result-card {
  overflow: hidden;
}

.snb-result-head {
  padding: clamp(24px, 5vw, 42px);
  background:
    radial-gradient(circle at 12% 20%, rgba(126, 215, 244, 0.22), transparent 18rem),
    radial-gradient(circle at 90% 8%, rgba(241, 166, 207, 0.24), transparent 18rem),
    linear-gradient(135deg, #ffffff, #f7f7f2);
}

.snb-result-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 14px;
}

.snb-pill {
  display: inline-flex;
  align-items: center;
  border: 1px solid rgba(17, 18, 23, 0.12);
  border-radius: 999px;
  padding: 6px 12px;
  background: rgba(255, 255, 255, 0.76);
  color: var(--snb-dark);
  font-size: 0.82rem;
  font-weight: 900;
}

.snb-result-title {
  max-width: 780px;
}

.snb-result-catch {
  margin: 14px 0 0;
  color: var(--snb-purple);
  font-weight: 900;
  font-size: clamp(1.05rem, 2.4vw, 1.3rem);
}

.snb-result-lead {
  max-width: 780px;
  margin: 18px 0 0;
  color: #454859;
  font-weight: 800;
}

.snb-result-body {
  display: grid;
  gap: 16px;
  padding: clamp(18px, 4vw, 30px);
}

.snb-result-section {
  padding: 22px;
}

.snb-tags,
.snb-check-list,
.snb-list,
.snb-compatible-list {
  margin: 16px 0 0;
}

.snb-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0;
  list-style: none;
}

.snb-tags li {
  border-radius: 999px;
  padding: 8px 12px;
  background: #f0eef8;
  color: var(--snb-purple);
  font-size: 0.9rem;
  font-weight: 900;
}

.snb-check-list,
.snb-list,
.snb-compatible-list {
  display: grid;
  gap: 10px;
  padding: 0;
  list-style: none;
}

.snb-check-list li,
.snb-list li,
.snb-compatible-list li {
  border-radius: 14px;
  padding: 12px 14px;
  background: #f8f8fb;
  color: #424657;
  font-weight: 800;
  line-height: 1.7;
}

.snb-check-list li::before,
.snb-list li::before {
  content: "✓";
  margin-right: 8px;
  color: var(--snb-purple);
  font-weight: 900;
}

.snb-compatible-list strong {
  display: block;
  color: var(--snb-dark);
  font-size: 1.04rem;
}

.snb-compatible-list span {
  display: block;
  margin-top: 4px;
  color: var(--snb-muted);
}

.snb-share-card {
  display: grid;
  gap: 14px;
  justify-items: center;
  padding: 22px;
  text-align: center;
}

.snb-share-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

.snb-share-actions button,
.snb-share-actions a {
  background: var(--snb-dark);
  color: #fff;
}

.snb-share-actions button[data-tc-share="copy"] {
  background: #fff;
  color: var(--snb-dark);
}

.snb-invalid {
  padding: 28px;
  text-align: center;
}

.snb-loading-card {
  padding: 28px;
}

@media (max-width: 720px) {
  .snb-page {
    width: min(100% - 24px, 560px);
    padding: 24px 0 54px;
  }

  .snb-hero-visual {
    border-radius: 18px;
  }

  .snb-hero-card,
  .snb-info-card,
  .snb-result-section,
  .snb-share-card {
    border-radius: 18px;
  }

  .snb-date-grid {
    grid-template-columns: 1fr 0.82fr 0.82fr;
  }

  .snb-blood-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .snb-blood-grid label:last-child {
    grid-column: 1 / -1;
  }

  .snb-info {
    grid-template-columns: 1fr;
  }

  .snb-result-body {
    padding: 14px;
  }

  .snb-share-actions {
    display: grid;
    width: 100%;
    grid-template-columns: 1fr;
  }
}