:root {
  color-scheme: light;
  --bg: #fafafa;
  --ink: #111111;
  --muted: #5b5b5b;
  --line: #e5e5e5;
  --accent: #c0392b;
  --blue: #2c3e50;
}

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Hiragino Mincho ProN", "Yu Mincho", "YuMincho", "MS Mincho",
    "Times New Roman", serif;
  line-height: 1.8;
  letter-spacing: 0.02em;
  font-size: 135%;
  min-height: 100vh;
  background-image: linear-gradient(
      180deg,
      rgba(0, 0, 0, 0.02),
      rgba(0, 0, 0, 0)
    ),
    repeating-linear-gradient(
      90deg,
      rgba(0, 0, 0, 0.015),
      rgba(0, 0, 0, 0.015) 1px,
      transparent 1px,
      transparent 44px
    );
}

.page {
  min-height: 100vh;
}

.container {
  width: min(1040px, 90vw);
  margin: 0 auto;
  padding: 32px 0;
}

.top {
  border-bottom: 1px solid var(--line);
  background: #ffffff;
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.brand-mark {
  font-weight: 600;
  text-transform: lowercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  font-size: 12px;
}

.brand-title {
  font-size: 18px;
}

.disclaimer {
  margin-top: 16px;
  font-size: 12px;
  color: var(--muted);
}

.disclaimer .en {
  display: block;
}

.hero {
  padding-top: 28px;
}

.hero-copy {
  padding: 24px 0 12px;
}

.hero-main {
  font-size: clamp(20px, 4vw, 32px);
  margin: 0;
}

.hero-sub {
  margin: 6px 0 0;
  color: var(--muted);
}

.en {
  color: var(--muted);
  font-size: 0.95em;
}

.loading {
  display: none;
  font-size: 13px;
  color: var(--muted);
}

.loading.is-visible {
  display: inline-flex;
  flex-direction: column;
  gap: 2px;
}

.input-card {
  margin-top: 28px;
  padding: 24px;
  border: 1px solid var(--line);
  background: #ffffff;
  border-radius: 18px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.04);
  animation: fadeIn 0.8s ease;
}

.field-label {
  display: block;
  font-size: 14px;
  margin-bottom: 10px;
}

.field-wrap {
  position: relative;
}

.field {
  width: 100%;
  min-height: 130px;
  padding: 14px 16px;
  border-radius: 12px;
  border: 1px solid #d8d8d8;
  font-size: 14px;
  font-family: inherit;
  resize: vertical;
  background: #fff;
}

.field-select {
  min-height: auto;
  padding: 10px 14px;
  resize: none;
}

.clear-btn {
  position: absolute;
  right: 12px;
  bottom: 12px;
  border: 1px solid var(--line);
  background: #ffffff;
  color: var(--muted);
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.clear-btn:hover {
  border-color: var(--blue);
  color: var(--blue);
}

.field:focus {
  outline: 2px solid rgba(44, 62, 80, 0.25);
  border-color: var(--blue);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  margin-top: 18px;
}

.btn {
  border: none;
  padding: 12px 18px;
  border-radius: 999px;
  font-size: 14px;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  font-family: inherit;
}

.btn.primary {
  background: var(--blue);
  color: #fff;
  box-shadow: 0 8px 16px rgba(44, 62, 80, 0.18);
}

.btn.primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 20px rgba(44, 62, 80, 0.2);
}

.btn .jp,
.btn .en {
  display: block;
}

.link {
  color: var(--blue);
  text-decoration: none;
  font-size: 14px;
}

.link .jp,
.link .en {
  display: block;
}

.supported {
  margin-top: 20px;
  border-top: 1px dashed var(--line);
  padding-top: 14px;
  font-size: 12px;
  color: var(--muted);
}

.supported-label {
  display: block;
  margin-bottom: 8px;
}

.supported-list {
  display: grid;
  gap: 6px;
}

.result {
  padding: 12px 0 40px;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.result.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.omikuji {
  margin-top: 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 26px;
  padding: 28px;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.06);
  position: relative;
  overflow: hidden;
}

.omikuji-footnote {
  margin-top: 8px;
  font-size: 12px;
  color: var(--muted);
  text-align: left;
}

.omikuji::after {
  content: "";
  position: absolute;
  inset: 14px;
  border: 1px solid rgba(192, 57, 43, 0.08);
  border-radius: 20px;
  pointer-events: none;
}

.omikuji-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
}

.omikuji-mark {
  font-size: 12px;
  color: var(--muted);
}

.omikuji-mark .en {
  display: block;
}

.omikuji-grade {
  text-align: right;
}

.omikuji-line {
  margin-top: 12px;
  font-size: 14px;
  color: var(--muted);
}

.omikuji-line .en {
  display: block;
}

.omikuji-number {
  display: block;
  font-size: 12px;
  color: var(--muted);
}

.omikuji-fortune {
  display: block;
  font-size: 24px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.08em;
}

.omikuji-main {
  margin-top: 24px;
  padding: 22px;
  border: 1px solid rgba(192, 57, 43, 0.28);
  border-radius: 18px;
  background: rgba(192, 57, 43, 0.04);
}

.omikuji-title {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 12px;
}

.omikuji-title-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.copy-btn {
  border: 1px solid var(--line);
  background: #ffffff;
  color: var(--blue);
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  cursor: pointer;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.copy-btn:hover {
  border-color: var(--blue);
}

.copy-status {
  display: block;
  font-size: 12px;
  color: var(--muted);
  min-height: 18px;
  margin-bottom: 6px;
}

.omikuji-text {
  margin: 0;
  font-size: 18px;
}

.omikuji-text .jp {
  font-weight: 600;
}

.omikuji-text .jp,
.omikuji-text .en {
  display: block;
}

.accent {
  color: var(--accent);
  font-weight: 700;
}

.omikuji-status {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 14px;
}

.status-item {
  display: grid;
  gap: 6px;
  font-size: 12px;
  padding: 14px;
  border-radius: 16px;
  border: 1px solid rgba(192, 57, 43, 0.28);
  background: #fff;
}

.status-item .value {
  font-size: 16px;
  color: var(--accent);
  font-weight: 700;
}

.status-item .value.list {
  margin: 0;
  padding-left: 18px;
  color: var(--ink);
  font-weight: 600;
}

.status-item .value.list li {
  margin-bottom: 6px;
}

.status-item .note {
  font-size: 12px;
  color: var(--muted);
}

.severity-low {
  color: #7b7b7b;
}

.severity-medium {
  color: #c97a27;
}

.severity-high {
  color: #c0392b;
}

.related {
  margin-top: 24px;
}

.related.is-hidden {
  display: none;
}

.related-list {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.related-card {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #ffffff;
  padding: 16px;
  font-size: 13px;
}

.related-card .title {
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 6px;
}

.related-card .jp,
.related-card .en {
  display: block;
}

.offering {
  margin-top: 28px;
  padding-top: 18px;
  border-top: 1px dashed var(--line);
}

.offer-btn {
  border: 1px solid rgba(192, 57, 43, 0.5);
  background: #ffffff;
  color: var(--accent);
  font-size: 13px;
  padding: 10px 16px;
  border-radius: 999px;
  cursor: pointer;
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
}

.offer-btn:hover {
  border-color: var(--accent);
}

.offer-note {
  margin-top: 8px;
  font-size: 12px;
  color: var(--muted);
}

.offer-note .en {
  display: block;
}

.cases {
  padding: 12px 0 80px;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: #ffffff;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.footer-copy {
  font-size: 12px;
  color: var(--muted);
}

.footer-copy .en {
  display: block;
}

.footer-link {
  font-size: 12px;
  color: var(--blue);
  text-decoration: none;
  display: inline-flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 2px;
}

.footer-link .en {
  color: var(--blue);
}

.footer-link:hover {
  text-decoration: underline;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 16px;
}

.filter-btn {
  border: 1px solid var(--line);
  background: #ffffff;
  color: var(--muted);
  font-size: 12px;
  padding: 6px 12px;
  border-radius: 999px;
  cursor: pointer;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.filter-btn.is-active {
  border-color: var(--blue);
  color: var(--blue);
}

.section-title {
  font-size: 18px;
  margin-bottom: 16px;
}

.case-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
}

.case-card {
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 18px;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.04);
  animation: fadeUp 0.6s ease both;
}

.case-card:nth-child(2) {
  animation-delay: 0.1s;
}

.case-card:nth-child(3) {
  animation-delay: 0.2s;
}

.case-title {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 8px;
}

.case-text {
  font-size: 13px;
  margin: 0 0 12px;
}

.case-text .jp,
.case-text .en {
  display: block;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 720px) {
  .container {
    width: min(94vw, 640px);
  }

  .actions {
    align-items: flex-start;
    flex-direction: column;
  }

  .omikuji-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-link {
    align-items: flex-start;
  }
}