:root {
  --color-bg: #f6f0e6;
  --color-card: #fffdf8;
  --color-text: #2f2a24;
  --color-muted: #7a7067;
  --color-border: #e6dccf;
  --color-accent: #7b61ff;
  --shadow-card: 0 12px 30px rgba(47, 42, 36, 0.08);
  --font-base: system-ui, -apple-system, BlinkMacSystemFont, "Hiragino Sans",
    "Yu Gothic", "YuGothic", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--color-text);
  font-family: var(--font-base);
  background: var(--color-bg);
}

.preview-shell {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 48px 0;
}

.preview-header {
  margin-bottom: 28px;
}

.eyebrow,
.font-name {
  margin: 0 0 10px;
  color: var(--color-accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.preview-header h1 {
  margin: 0 0 12px;
  font-size: clamp(2.3rem, 6vw, 4.8rem);
  line-height: 1.04;
}

.preview-header p {
  max-width: 680px;
  margin: 0 0 18px;
  color: var(--color-muted);
  line-height: 1.8;
}

.preview-header a {
  color: var(--color-text);
  font-weight: 800;
  text-decoration-color: var(--color-accent);
  text-decoration-thickness: 2px;
  text-underline-offset: 5px;
}

.live-preview {
  margin-bottom: 26px;
}

.preview-control {
  margin-bottom: 14px;
  display: grid;
  gap: 14px;
}

.control-row {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  gap: 10px 14px;
  padding: 14px;
  border: 1px solid var(--color-border);
  border-radius: 18px;
  background: rgba(255, 253, 248, 0.46);
}

.control-section-title {
  width: 100%;
  margin: 0;
  color: var(--color-accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.control-field {
  min-width: min(230px, 100%);
  display: grid;
  gap: 6px;
  transition: opacity 160ms ease;
}

.control-field.is-muted {
  opacity: 0.46;
}

.control-group {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  gap: 10px 14px;
  width: 100%;
  padding: 12px;
  border: 1px dashed var(--color-border);
  border-radius: 14px;
}

.control-group-title {
  width: 100%;
  margin: 0;
  color: var(--color-accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.control-subrow {
  width: 100%;
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  gap: 10px 14px;
}

.control-field-compact {
  min-width: 140px;
}

.font-field-wide {
  min-width: min(320px, 100%);
}

.preview-control label {
  color: var(--color-muted);
  font-size: 0.9rem;
  font-weight: 800;
}

.preview-control select,
.preview-control input[type="number"],
.preview-control input[type="text"] {
  min-height: 44px;
  width: 100%;
  padding: 0 42px 0 14px;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  background: var(--color-card);
  color: var(--color-text);
  font: inherit;
  font-weight: 750;
}

.text-field {
  min-width: min(520px, 100%);
  flex: 1;
}

.color-field {
  min-width: 120px;
}

.color-field input {
  width: 100%;
  min-height: 44px;
  padding: 4px;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  background: var(--color-card);
  cursor: pointer;
}

.preview-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.action-row {
  justify-content: flex-end;
}

.preview-actions button,
.font-card button {
  min-height: 44px;
  padding: 0 16px;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  background: var(--color-card);
  color: var(--color-text);
  cursor: pointer;
  font: inherit;
  font-weight: 800;
}

.shortcut-hint {
  min-height: 44px;
  padding: 0 14px;
  display: inline-flex;
  align-items: center;
  border: 1px dashed var(--color-border);
  border-radius: 12px;
  color: var(--color-muted);
  font-size: 0.86rem;
  font-weight: 800;
}

.operation-switch {
  min-height: 44px;
  margin: 0;
  padding: 4px;
  display: flex;
  align-items: center;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-card);
}

.operation-switch label {
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  color: var(--color-text);
  font-size: 0.9rem;
  font-weight: 800;
  cursor: pointer;
  user-select: none;
}

.operation-switch input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.operation-switch span {
  min-width: 70px;
  min-height: 34px;
  padding: 0 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  color: var(--color-muted);
  transition: background-color 160ms ease, color 160ms ease, box-shadow 160ms ease;
}

.operation-switch input:checked + span {
  background: var(--color-accent);
  color: #ffffff;
  box-shadow: 0 6px 14px rgba(123, 97, 255, 0.22);
}

.operation-switch:has(input:focus-visible) {
  outline: 3px solid rgba(123, 97, 255, 0.34);
  outline-offset: 3px;
}

.match-switch {
  min-height: 44px;
  padding: 0 14px 0 10px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-card);
  color: var(--color-text);
  font-size: 0.9rem;
  font-weight: 800;
  cursor: pointer;
  user-select: none;
}

.match-switch input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.match-toggle-track {
  width: 42px;
  height: 24px;
  padding: 3px;
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: #e9ded1;
  transition: background-color 160ms ease, border-color 160ms ease;
}

.match-toggle-track::before {
  content: "";
  width: 16px;
  height: 16px;
  border-radius: 999px;
  background: var(--color-card);
  box-shadow: 0 1px 3px rgba(47, 42, 36, 0.18);
  transition: transform 160ms ease;
}

.match-switch input:checked + .match-toggle-track {
  border-color: rgba(123, 97, 255, 0.5);
  background: var(--color-accent);
}

.match-switch input:checked + .match-toggle-track::before {
  transform: translateX(18px);
}

.match-switch:has(input:focus-visible) {
  outline: 3px solid rgba(123, 97, 255, 0.34);
  outline-offset: 3px;
}

.preview-actions .keep-button,
.font-card .keep-action,
.font-card .copy-css {
  border-color: rgba(123, 97, 255, 0.36);
  background: #f2ecff;
}

.default-swatches {
  min-height: 44px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  color: var(--color-muted);
  font-size: 0.82rem;
  font-weight: 800;
}

.default-swatches span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.default-swatches i {
  width: 24px;
  height: 24px;
  display: inline-block;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  box-shadow: inset 0 0 0 2px rgba(255, 255, 255, 0.48);
}

.preview-control select:focus-visible,
.preview-control input[type="number"]:focus-visible,
.preview-control input[type="text"]:focus-visible,
.color-field input:focus-visible,
.preview-actions button:focus-visible,
.font-card button:focus-visible {
  outline: 3px solid rgba(123, 97, 255, 0.34);
  outline-offset: 3px;
}

.live-card {
  min-height: 300px;
}

.live-card h2 {
  font-size: clamp(3rem, 8vw, 6.8rem);
}

.font-card h2 span {
  display: inline;
}

.font-card.show-role-underlines h2 .title-en {
  background: linear-gradient(to top, rgba(123, 97, 255, 0.2) 0 0.22em, transparent 0.22em);
}

.font-card.show-role-underlines h2 .title-ja {
  background: linear-gradient(to top, rgba(217, 142, 76, 0.24) 0 0.24em, transparent 0.24em);
}

.font-card h2 .title-ja {
  line-height: 1.45;
}

.font-role-strip {
  margin: 0 0 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.font-role-chip {
  max-width: 100%;
  min-height: 34px;
  margin: 0;
  padding: 6px 10px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: rgba(255, 253, 248, 0.78);
  color: var(--color-muted);
  font-family: var(--font-base);
  font-size: 0.78rem;
  font-weight: 800;
  line-height: 1.35;
}

.font-role-chip strong {
  min-width: 2.6em;
  color: var(--color-text);
  letter-spacing: 0.08em;
}

.font-role-chip span:last-child {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.font-role-chip-en {
  border-color: rgba(123, 97, 255, 0.32);
  background: rgba(242, 236, 255, 0.78);
}

.font-role-chip-ja {
  border-color: rgba(217, 142, 76, 0.34);
  background: rgba(255, 244, 232, 0.86);
}

.font-stack {
  margin: 0 0 16px;
  color: var(--color-muted);
  font-family: "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.82rem;
  line-height: 1.65;
}

.variant-note {
  width: fit-content;
  margin: 0 0 16px;
  padding: 7px 10px;
  border: 1px solid rgba(123, 97, 255, 0.26);
  border-radius: 999px;
  background: #f2ecff;
  color: var(--color-text);
  font-size: 0.82rem;
  font-weight: 800;
  line-height: 1.4;
}

.section-heading {
  margin: 34px 0 14px;
}

.section-heading h2 {
  margin: 0;
  font-size: 1.25rem;
}

.section-heading p:last-child {
  max-width: 680px;
  margin: 8px 0 0;
  color: var(--color-muted);
  line-height: 1.75;
}

.font-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.kept-grid {
  min-height: 96px;
}

.empty-message {
  grid-column: 1 / -1;
  margin: 0;
  padding: 24px;
  border: 1px dashed var(--color-border);
  border-radius: 20px;
  color: var(--color-muted);
  line-height: 1.8;
}

.font-card {
  min-height: 240px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border: 1px solid var(--color-border);
  border-radius: 24px;
  background: var(--color-card);
  box-shadow: var(--shadow-card);
}

.font-card-selectable {
  cursor: pointer;
  transition: border-color 160ms ease, transform 160ms ease;
}

.font-card-selectable:hover {
  border-color: rgba(123, 97, 255, 0.42);
  transform: translateY(-2px);
}

.font-card-selectable:focus-visible {
  outline: 3px solid rgba(123, 97, 255, 0.34);
  outline-offset: 4px;
}

.kept-card {
  position: relative;
  padding-right: 76px;
}

.remove-keep {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 50px;
  min-height: 50px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-color: #e5aaa2;
  border-radius: 999px;
  background: #ffe8e4;
  color: #8f2f24;
}

.remove-keep:hover {
  border-color: #d8786d;
  background: #ffd8d2;
}

.remove-keep svg {
  width: 24px;
  height: 24px;
  stroke: currentColor;
  stroke-width: 2;
}

.font-card h2 {
  margin: 18px 0 14px;
  font-size: clamp(2.4rem, 6vw, 5.2rem);
  line-height: 1.03;
  font-weight: 620;
  letter-spacing: 0.01em;
}

.font-card h2.compact-title {
  font-size: clamp(1.9rem, 4.8vw, 4.2rem);
}

.live-card h2.compact-title {
  font-size: clamp(2.4rem, 6.4vw, 5.4rem);
}

.sample-copy {
  margin: 0;
  color: var(--color-muted);
  font-family: var(--font-base);
  font-size: 1rem;
  line-height: 1.8;
}

.font-card-footer {
  margin-top: 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-start;
}

.copy-css.is-copied {
  border-color: rgba(52, 137, 96, 0.36);
  background: #e7f7ee;
}

@media (max-width: 760px) {
  .preview-shell {
    width: min(100% - 24px, 640px);
    padding: 24px 0;
  }

  .preview-control {
    gap: 12px;
  }

  .control-row {
    display: grid;
    grid-template-columns: 1fr;
  }

  .preview-actions {
    width: 100%;
  }

  .preview-actions button {
    flex: 1;
  }

  .font-grid {
    grid-template-columns: 1fr;
  }

  .font-card {
    min-height: 210px;
    padding: 22px;
    border-radius: 20px;
  }
}