.stock-quiz {
  background:
    radial-gradient(circle at top left, rgba(235, 197, 108, 0.25), transparent 32%),
    linear-gradient(180deg, #fffdf7 0%, #f6efe2 100%);
  border: 1px solid #d8ccb6;
  border-radius: 18px;
  box-shadow: 0 18px 40px rgba(89, 70, 42, 0.08);
  color: #332819;
  padding: 20px;
  position: relative;
}

.stock-quiz__loading,
.stock-quiz__error,
.stock-quiz__result--final {
  text-align: center;
  padding: 32px 16px;
}

.stock-quiz__result--final {
  background: transparent;
  border: 0;
  box-shadow: none;
}

.stock-quiz__result--final .stock-quiz__button {
  margin: 6px 4px 0;
}

.stock-quiz__final-title {
  background: linear-gradient(90deg, rgba(47, 36, 23, 0.94) 0%, rgba(76, 59, 37, 0.92) 100%);
  border-radius: 999px;
  box-shadow: 0 8px 22px rgba(47, 36, 23, 0.16);
  color: #2f2417;
  font-family: "Helvetica Neue", "Avenir Next", "Yu Gothic", sans-serif;
  font-size: clamp(1.5rem, 3.6vw, 2.1rem);
  font-weight: 800;
  letter-spacing: 0.16em;
  line-height: 1;
  margin: 0 0 18px;
  padding: 0.9rem 1.6rem;
  position: relative;
  text-transform: uppercase;
  color: #fffdf7;
}

.stock-quiz__final-title::after {
  display: none;
}

.stock-quiz__final-summary {
  align-items: center;
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin: 0 auto 14px;
  max-width: 34rem;
}

.stock-quiz__perfect-image {
  display: block;
  height: auto;
  margin: 0 auto 16px;
  max-width: min(100%, 420px);
}

.stock-quiz__final-total {
  color: #40311f;
  font-size: clamp(1.2rem, 3vw, 1.5rem);
  font-weight: 800;
  letter-spacing: 0.01em;
}

.stock-quiz__final-stage {
  color: #7a5a28;
  font-size: 0.92rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.stock-quiz__final-perfect {
  background: linear-gradient(90deg, rgba(47, 36, 23, 0.08) 0%, rgba(47, 36, 23, 0.16) 100%);
  border: 1px solid rgba(47, 36, 23, 0.18);
  border-radius: 999px;
  color: #2f2417;
  display: inline-flex;
  font-size: 0.82rem;
  font-weight: 900;
  letter-spacing: 0.22em;
  padding: 0.35rem 0.9rem 0.35rem 1.05rem;
}

.stock-quiz__final-rate,
.stock-quiz__final-pass {
  color: #6b583f;
  font-size: 1rem;
  font-weight: 700;
}

.stock-quiz__final-stars {
  color: #c3921d;
  font-size: clamp(1.3rem, 3.5vw, 2rem);
  letter-spacing: 0.12em;
  line-height: 1.3;
  margin: 12px 0 16px;
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.6);
  word-break: break-word;
}

.stock-quiz__header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 12px;
  justify-content: space-between;
  margin-bottom: 12px;
}

.stock-quiz__title {
  color: #5d3a1a;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.4rem, 3vw, 2rem);
  line-height: 1.1;
  margin: 0;
}

.stock-quiz__summary,
.stock-quiz__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.stock-quiz__summary {
  align-items: center;
  column-gap: 0;
  row-gap: 8px;
}

.stock-quiz__summary span {
  color: #5f503c;
  font-size: 0.94rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  padding: 0 16px 0 0;
  position: relative;
}

.stock-quiz__summary span:not(:last-child)::after {
  background: linear-gradient(180deg, rgba(181, 157, 120, 0.2) 0%, rgba(181, 157, 120, 0.85) 52%, rgba(181, 157, 120, 0.2) 100%);
  border-radius: 999px;
  content: "";
  height: 1.15em;
  position: absolute;
  right: 7px;
  top: 50%;
  transform: translateY(-50%);
  width: 1px;
}

.stock-quiz__sma-switch {
  align-items: center;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid #ddcfb8;
  border-radius: 999px;
  color: #5f503c;
  cursor: pointer;
  display: inline-flex;
  font-size: 0.9rem;
  font-weight: 700;
  gap: 8px;
  padding: 7px 12px;
  user-select: none;
}

.stock-quiz__sma-switch input {
  accent-color: #7f5a22;
}

.stock-quiz__meta {
  align-items: center;
  column-gap: 0;
  margin-top: 10px;
  row-gap: 8px;
}

.stock-quiz__chip {
  color: #5f503c;
  font-size: 0.92rem;
  font-weight: 700;
  padding: 0 16px 0 0;
  position: relative;
}

.stock-quiz__chip:not(:last-child)::after {
  background: linear-gradient(180deg, rgba(181, 157, 120, 0.2) 0%, rgba(181, 157, 120, 0.85) 52%, rgba(181, 157, 120, 0.2) 100%);
  border-radius: 999px;
  content: "";
  height: 1.15em;
  position: absolute;
  right: 7px;
  top: 50%;
  transform: translateY(-50%);
  width: 1px;
}

.stock-quiz__flash {
  background: #fff7d9;
  border: 1px solid #e7d486;
  border-radius: 12px;
  margin-top: 12px;
  padding: 10px 12px;
}

.stock-quiz__chart-wrap {
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid #e6dbc8;
  border-radius: 14px;
  margin-top: 16px;
  overflow: hidden;
  padding: 12px;
  position: relative;
}

.stock-quiz__canvas {
  display: block;
  width: 100%;
}

.stock-quiz__canvas + .stock-quiz__canvas {
  margin-top: 8px;
}

.stock-quiz__prompt {
  font-size: 1.04rem;
  font-weight: 700;
  margin: 16px 0 10px;
}

.stock-quiz__actions {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.stock-quiz__answer-feedback {
  align-items: center;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98) 0%, rgba(245, 239, 228, 0.96) 100%);
  border: 1.5px solid currentColor;
  border-radius: 999px;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.9),
    0 2px 6px rgba(51, 40, 25, 0.12);
  display: inline-flex;
  font-size: 1rem;
  font-weight: 700;
  height: 1.25em;
  justify-content: center;
  line-height: 1;
  min-width: 1.25em;
  padding: 0;
  text-align: center;
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.5);
  position: relative;
}

.stock-quiz__answer-feedback.is-correct {
  color: #3d8b40;
  background:
    linear-gradient(180deg, rgba(247, 255, 247, 0.98) 0%, rgba(226, 244, 228, 0.96) 100%);
}

.stock-quiz__answer-feedback.is-incorrect {
  color: #c74f2b;
  background:
    linear-gradient(180deg, rgba(255, 248, 246, 0.98) 0%, rgba(248, 226, 220, 0.96) 100%);
}

.stock-quiz__answer-feedback::after {
  border: 1px solid rgba(255, 255, 255, 0.65);
  border-radius: 999px;
  content: "";
  inset: 1.5px;
  pointer-events: none;
  position: absolute;
}

.stock-quiz__button {
  align-items: center;
  appearance: none;
  background: #7a5c2f;
  border: 0;
  border-radius: 999px;
  color: #fff;
  cursor: pointer;
  display: inline-flex;
  font-size: 1rem;
  font-weight: 700;
  gap: 6px;
  justify-content: center;
  padding: 10px 18px;
  transition: transform 0.12s ease, opacity 0.12s ease, background 0.12s ease;
}

.stock-quiz__button:hover {
  transform: translateY(-1px);
}

.stock-quiz__button:active:not(:disabled) {
  transform: scale(0.95);
}

.stock-quiz__button:disabled {
  cursor: default;
  opacity: 0.45;
  transform: none;
}

.stock-quiz__button.has-feedback:disabled {
  opacity: 1;
}

.stock-quiz__button--up {
  background: #c74f2b;
  min-width: 7.2rem;
}

.stock-quiz__button--down {
  background: #2a6f97;
  min-width: 7.2rem;
}

.stock-quiz__button--pass {
  background: #84663e;
}

.stock-quiz__button--next,
.stock-quiz__button--restart {
  background: #4d6a37;
}

.stock-quiz__button--result {
  background: #7d4a21;
}

.stock-quiz__button--share {
  background: #111;
  color: #fff;
  text-decoration: none;
}

.stock-quiz__note {
  color: #6b5a43;
  font-size: 0.92rem;
  margin-top: 10px;
}

.stock-quiz__result {
  border-radius: 14px;
  margin-top: 16px;
  padding: 14px 16px;
}

.stock-quiz__result-head {
  align-items: center;
  display: flex;
  gap: 8px;
  margin: 0 0 8px;
}

.stock-quiz__result.is-correct {
  background: #edf8ee;
  border: 1px solid #b8d8bd;
}

.stock-quiz__result.is-incorrect {
  background: #fbefea;
  border: 1px solid #ebc3b3;
}

.stock-quiz__footer {
  align-items: flex-end;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 16px;
  text-align: right;
}

.stock-quiz__review {
  margin-top: 20px;
}

.stock-quiz__review-header {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: space-between;
  margin: 0 0 10px;
}

.stock-quiz__review-title {
  font-size: 1rem;
  font-weight: 700;
  margin: 0;
}

.stock-quiz__review-note {
  color: #6b5a43;
  font-size: 0.92rem;
  margin: 10px 0 12px;
}

.stock-quiz__marker-summary {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 10px 0 12px;
}

.stock-quiz__marker-item {
  align-items: center;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid #e0d4bf;
  border-radius: 999px;
  color: #5e4e39;
  display: inline-flex;
  font-size: 0.9rem;
  gap: 8px;
  padding: 6px 12px;
}

.stock-quiz__marker-swatch {
  border-radius: 999px;
  display: inline-block;
  height: 10px;
  width: 10px;
}

.stock-quiz__marker-swatch--question {
  background: #b8841b;
}

.stock-quiz__marker-swatch--answer {
  background: #3d8b40;
}

.stock-quiz__review-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}

.stock-quiz__review-button {
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid #d9cdb6;
  border-radius: 12px;
  color: #4f3d26;
  cursor: pointer;
  display: inline-flex;
  flex-direction: column;
  gap: 3px;
  padding: 9px 12px;
}

.stock-quiz__review-button span {
  color: #81684a;
  font-size: 0.82rem;
}

.stock-quiz__review-button span.stock-quiz__review-status--correct {
  color: #3d8b40;
}

.stock-quiz__review-button span.stock-quiz__review-status--incorrect {
  color: #c74f2b;
}

.stock-quiz__review-button.is-active {
  background: #efe1bb;
  border-color: #b58c3a;
}

.stock-quiz__chart-wrap.is-hidden {
  display: none;
}

.stock-quiz__link {
  background: transparent;
  border: 0;
  color: #6a522d;
  cursor: pointer;
  display: inline-block;
  font-size: 0.95rem;
  padding: 0;
  text-decoration: underline;
}

.stock-quiz__link--perfect-list {
  color: #8a6425;
  text-decoration-thickness: 1px;
}

.stock-quiz__perfect-form {
  margin: 0 auto 18px;
  max-width: 34rem;
}

.stock-quiz__perfect-form-title {
  color: #4b3923;
  font-size: 0.98rem;
  font-weight: 700;
  margin: 0 0 10px;
}

.stock-quiz__perfect-form-fields {
  display: grid;
  gap: 10px;
}

.stock-quiz__perfect-input {
  background: #fffdf7;
  border: 1px solid #d8ccb6;
  border-radius: 12px;
  color: #332819;
  font-size: 0.98rem;
  padding: 0.8rem 0.9rem;
}

.stock-quiz__button--perfect-save {
  background: #7f5a22;
}

.stock-quiz__button--perfect-list {
  background: #4d6a37;
  margin-top: 4px;
  text-decoration: none;
}

.stock-quiz__perfect-form-success {
  display: grid;
  gap: 8px;
}

.stock-quiz__perfect-form-message {
  border-radius: 12px;
  font-size: 0.94rem;
  margin: 0 0 10px;
  padding: 0.8rem 0.9rem;
}

.stock-quiz__perfect-form-message.is-success {
  background: #edf8ee;
  border: 1px solid #b8d8bd;
  color: #305f34;
}

.stock-quiz__perfect-form-message.is-error {
  background: #fff3ef;
  border: 1px solid #e8b3a2;
  color: #9a3f24;
}

.stock-quiz-perfect-list {
  background:
    radial-gradient(circle at top right, rgba(201, 153, 73, 0.16), transparent 32%),
    linear-gradient(145deg, #fffdfa 0%, #f6efe2 100%);
  border: 1px solid #dbc7a5;
  border-radius: 22px;
  box-shadow: 0 18px 40px rgba(83, 58, 24, 0.12);
  overflow: hidden;
  padding: 1.25rem 1.25rem 1rem;
}

.stock-quiz-perfect-list__header {
  border-bottom: 1px solid rgba(123, 92, 41, 0.18);
  margin: 0 0 0.8rem;
  padding: 0 0 0.75rem;
  text-align: center;
}

.stock-quiz-perfect-list__hero-image {
  margin-bottom: 0;
  max-width: min(100%, 360px);
}

.stock-quiz-perfect-list__table {
  background: rgba(255, 255, 253, 0.88);
  border-collapse: collapse;
  border-radius: 16px;
  overflow: hidden;
  width: 100%;
}

.stock-quiz-perfect-list__table th,
.stock-quiz-perfect-list__table td {
  border-bottom: 1px solid rgba(150, 117, 65, 0.18);
  padding: 0.95rem 0.65rem;
  text-align: left;
}

.stock-quiz-perfect-list__table th {
  color: #775d33;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.stock-quiz-perfect-list__table tbody tr:last-child td {
  border-bottom: 0;
}

.stock-quiz-perfect-list__table tbody tr:nth-child(odd) {
  background: rgba(255, 255, 253, 0.96);
}

.stock-quiz-perfect-list__table tbody tr:nth-child(even) {
  background: rgba(255, 252, 247, 0.96);
}

.stock-quiz-perfect-list__date,
.stock-quiz-perfect-list__pass {
  color: #5d4b2d;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.stock-quiz-perfect-list__name-wrap {
  align-items: center;
  display: inline-flex;
  gap: 0.5rem;
}

.stock-quiz-perfect-list__crown {
  display: inline-block;
  filter: drop-shadow(0 3px 8px rgba(179, 128, 26, 0.28));
  font-size: 1.45rem;
  line-height: 1;
}

.stock-quiz-perfect-list__name {
  color: #2f2111;
  font-size: 1.18rem;
  font-weight: 800;
  letter-spacing: 0.03em;
}

.stock-quiz-perfect-list__x-link {
  color: #7a5120;
  display: inline-block;
  font-size: 0.98rem;
  font-weight: 700;
  position: relative;
  text-decoration: none;
  transition: color 0.18s ease;
}

.stock-quiz-perfect-list__x-link::after {
  background: linear-gradient(90deg, rgba(176, 133, 54, 0.2), rgba(176, 133, 54, 0.65));
  border-radius: 999px;
  bottom: -0.08rem;
  content: "";
  height: 1px;
  left: 0;
  position: absolute;
  right: 0;
}

.stock-quiz-perfect-list__x-link:hover,
.stock-quiz-perfect-list__x-link:focus-visible {
  color: #ab6a15;
}

.stock-quiz-perfect-list__x-link:focus-visible {
  outline: 2px solid rgba(171, 106, 21, 0.28);
  outline-offset: 3px;
}

@media (max-width: 640px) {
  .stock-quiz {
    padding: 16px;
  }

  .stock-quiz__actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .stock-quiz__button {
    width: 100%;
  }

  .stock-quiz-perfect-list__table {
    border-collapse: separate;
    border-spacing: 0 10px;
    font-size: 0.94rem;
  }

  .stock-quiz-perfect-list {
    border-radius: 18px;
    padding: 1rem 0.95rem 0.85rem;
  }

  .stock-quiz-perfect-list__table thead {
    display: none;
  }

  .stock-quiz-perfect-list__table,
  .stock-quiz-perfect-list__table tbody,
  .stock-quiz-perfect-list__table tr,
  .stock-quiz-perfect-list__table td {
    display: block;
    width: 100%;
  }

  .stock-quiz-perfect-list__table tbody tr {
    border: 1px solid rgba(150, 117, 65, 0.18);
    border-radius: 14px;
    box-shadow: 0 8px 18px rgba(83, 58, 24, 0.08);
    overflow: hidden;
    padding: 0.75rem 0.8rem;
  }

  .stock-quiz-perfect-list__table th,
  .stock-quiz-perfect-list__table td {
    border-bottom: 0;
    padding: 0;
  }

  .stock-quiz-perfect-list__date,
  .stock-quiz-perfect-list__stage,
  .stock-quiz-perfect-list__pass {
    color: #7a6644;
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 800;
    margin: 0 0.65rem 0.45rem 0;
    white-space: nowrap;
  }

  .stock-quiz-perfect-list__stage::before {
    content: "ステージ ";
    color: #9a8258;
    font-size: 0.72rem;
  }

  .stock-quiz-perfect-list__pass::before {
    content: "パス ";
    color: #9a8258;
    font-size: 0.72rem;
  }

  .stock-quiz-perfect-list__pass::after {
    content: "回";
    color: #9a8258;
    font-size: 0.72rem;
  }

  .stock-quiz-perfect-list__name-cell {
    clear: both;
    margin: 0.15rem 0 0.28rem;
  }

  .stock-quiz-perfect-list__name {
    font-size: 1.16rem;
    line-height: 1.25;
  }

  .stock-quiz-perfect-list__crown {
    font-size: 1.42rem;
  }

  .stock-quiz-perfect-list__name-wrap {
    align-items: center;
    display: flex;
    gap: 0.45rem;
    min-width: 0;
  }

  .stock-quiz-perfect-list__name {
    min-width: 0;
    overflow-wrap: anywhere;
  }

  .stock-quiz-perfect-list__x-link {
    font-size: 0.82rem;
    font-weight: 700;
  }

  .stock-quiz-perfect-list__x-cell {
    margin-top: 0.1rem;
  }
}

.stock-quiz__tools {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.stock-quiz__combo {
  background: linear-gradient(90deg, #e8943a 0%, #d9582b 100%);
  border-radius: 999px;
  color: #fff;
  font-weight: 800;
  margin-left: 4px;
  padding: 2px 12px;
}

.stock-quiz__combo--lv2 {
  background: linear-gradient(90deg, #d9582b 0%, #b8232f 100%);
}

.stock-quiz__combo--lv3 {
  background: linear-gradient(90deg, #b8232f 0%, #7d1d6b 100%);
  box-shadow: 0 0 12px rgba(184, 35, 47, 0.45);
}

.stock-quiz__popup {
  font-size: clamp(2rem, 8vw, 3.4rem);
  font-weight: 900;
  left: 50%;
  letter-spacing: 0.04em;
  pointer-events: none;
  position: absolute;
  text-shadow: 0 2px 0 #fff, 0 4px 14px rgba(51, 40, 25, 0.25);
  top: 45%;
  transform: translate(-50%, -50%);
  white-space: nowrap;
  z-index: 5;
}

.stock-quiz__popup--warm {
  color: #e07a1f;
}

.stock-quiz__popup--hot {
  color: #c4261f;
}

.stock-quiz__popup--cool {
  color: #5f7a8c;
  font-size: clamp(1.4rem, 5vw, 2.2rem);
}

.stock-quiz__confetti {
  height: 100%;
  left: 0;
  pointer-events: none;
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 99999;
}

@media (prefers-reduced-motion: no-preference) {
  .stock-quiz__popup {
    animation: stock-quiz-popup 1.1s ease-out forwards;
  }

  .stock-quiz.is-fx-correct {
    animation: stock-quiz-glow-ok 0.7s ease-out 0.42s;
  }

  .stock-quiz.is-fx-wrong {
    animation: stock-quiz-shake 0.45s ease-in-out 0.42s, stock-quiz-glow-ng 0.7s ease-out 0.42s;
  }

  .stock-quiz.is-fx-correct .stock-quiz__result,
  .stock-quiz.is-fx-correct .stock-quiz__meta,
  .stock-quiz.is-fx-correct .stock-quiz__note,
  .stock-quiz.is-fx-wrong .stock-quiz__result,
  .stock-quiz.is-fx-wrong .stock-quiz__meta,
  .stock-quiz.is-fx-wrong .stock-quiz__note {
    animation: stock-quiz-rise 0.35s ease-out 0.42s both;
  }

  .stock-quiz.is-fx-correct .stock-quiz__answer-feedback,
  .stock-quiz.is-fx-wrong .stock-quiz__answer-feedback {
    animation: stock-quiz-pop 0.5s cubic-bezier(0.2, 1.6, 0.4, 1) 0.42s both;
  }

  .stock-quiz.is-fx-correct .stock-quiz__combo {
    animation: stock-quiz-pop 0.5s cubic-bezier(0.2, 1.6, 0.4, 1) 0.42s both;
  }

  .stock-quiz.is-fx-next .stock-quiz__chart-wrap {
    animation: stock-quiz-slide-in 0.35s ease-out;
  }

  .stock-quiz.is-fx-next .stock-quiz__prompt,
  .stock-quiz.is-fx-next .stock-quiz__header {
    animation: stock-quiz-rise 0.3s ease-out;
  }
}

@keyframes stock-quiz-popup {
  0% {
    opacity: 0;
    transform: translate(-50%, -50%) scale(0.4);
  }

  20% {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1.18);
  }

  35% {
    transform: translate(-50%, -50%) scale(1);
  }

  75% {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
  }

  100% {
    opacity: 0;
    transform: translate(-50%, -90%) scale(1);
  }
}

@keyframes stock-quiz-glow-ok {
  from {
    box-shadow: 0 0 0 0 rgba(61, 139, 64, 0.55), 0 18px 40px rgba(89, 70, 42, 0.08);
  }

  to {
    box-shadow: 0 0 0 22px rgba(61, 139, 64, 0), 0 18px 40px rgba(89, 70, 42, 0.08);
  }
}

@keyframes stock-quiz-glow-ng {
  from {
    box-shadow: 0 0 0 0 rgba(199, 79, 43, 0.5), 0 18px 40px rgba(89, 70, 42, 0.08);
  }

  to {
    box-shadow: 0 0 0 22px rgba(199, 79, 43, 0), 0 18px 40px rgba(89, 70, 42, 0.08);
  }
}

@keyframes stock-quiz-shake {
  0%,
  100% {
    transform: translateX(0);
  }

  20% {
    transform: translateX(-9px);
  }

  40% {
    transform: translateX(8px);
  }

  60% {
    transform: translateX(-5px);
  }

  80% {
    transform: translateX(3px);
  }
}

@keyframes stock-quiz-rise {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes stock-quiz-pop {
  from {
    opacity: 0;
    transform: scale(0.2);
  }

  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes stock-quiz-slide-in {
  from {
    opacity: 0;
    transform: translateX(28px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* ---- 洗練化: ヘッダー / チャート / 回答ボタン ---- */
.stock-quiz {
  border-color: #e3d8c3;
  border-radius: 22px;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.8) inset, 0 18px 44px rgba(89, 70, 42, 0.09);
  padding: 24px;
}

.stock-quiz__header {
  display: block;
  margin-bottom: 0;
}

.stock-quiz__topline {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
}

.stock-quiz__stage {
  background: #efe3c6;
  border-radius: 999px;
  color: #6f4f1f;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  padding: 3px 11px;
}

.stock-quiz__counter {
  color: #8a7758;
  font-size: 0.95rem;
  font-weight: 700;
}

.stock-quiz__counter strong {
  color: #2f2417;
  font-size: 1.5rem;
  font-weight: 800;
  margin-right: 2px;
}

.stock-quiz__combo {
  background: linear-gradient(90deg, #e8943a 0%, #d9582b 100%);
  border-radius: 999px;
  color: #fff;
  font-size: 0.82rem;
  font-weight: 800;
  padding: 3px 12px;
}

.stock-quiz__tools {
  margin-left: auto;
}

.stock-quiz__sma-switch {
  background: transparent;
  border-color: #e3d8c3;
  color: #7b6a4d;
  font-size: 0.8rem;
  font-weight: 600;
  gap: 6px;
  padding: 4px 10px;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.stock-quiz__sma-switch:hover {
  background: rgba(255, 255, 255, 0.8);
  border-color: #cdbd9c;
}

.stock-quiz__progress {
  display: flex;
  gap: 5px;
  margin-top: 12px;
}

.stock-quiz__progress-seg {
  background: #e7dcc5;
  border-radius: 999px;
  flex: 1;
  height: 6px;
  transition: background 0.3s ease;
}

.stock-quiz__progress-seg.is-correct {
  background: #4f9a53;
}

.stock-quiz__progress-seg.is-wrong {
  background: #d4623a;
}

.stock-quiz__progress-seg.is-current {
  background: #c9a45a;
}

.stock-quiz__stats {
  color: #8a7758;
  display: flex;
  flex-wrap: wrap;
  font-size: 0.82rem;
  font-weight: 600;
  gap: 4px 18px;
  margin-top: 10px;
}

.stock-quiz__stats b {
  color: #3d2f1b;
  font-size: 0.98rem;
  font-variant-numeric: tabular-nums;
  margin-left: 3px;
}

.stock-quiz__chart-wrap {
  background: #fffdf7;
  border-color: #eadfca;
  border-radius: 16px;
  box-shadow: 0 6px 18px rgba(89, 70, 42, 0.06);
  margin-top: 14px;
  padding: 8px 6px 6px;
}

.stock-quiz__prompt {
  color: #2f2417;
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  margin: 22px 0 12px;
  text-align: center;
}

.stock-quiz__actions {
  display: grid;
  gap: 10px;
  grid-template-columns: 1fr 1fr;
}

.stock-quiz__actions .stock-quiz__button {
  width: 100%;
}

.stock-quiz__button--up,
.stock-quiz__button--down {
  border-radius: 16px;
  box-shadow: 0 6px 0 rgba(0, 0, 0, 0.16), 0 10px 18px rgba(51, 40, 25, 0.12);
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  padding: 16px 18px;
  position: relative;
  top: 0;
}

.stock-quiz__button--up {
  background: linear-gradient(180deg, #dd6a42 0%, #c74f2b 100%);
}

.stock-quiz__button--down {
  background: linear-gradient(180deg, #3a86b0 0%, #2a6f97 100%);
}

.stock-quiz__arrow {
  font-size: 0.9em;
  opacity: 0.85;
}

.stock-quiz__button--up:hover:not(:disabled),
.stock-quiz__button--down:hover:not(:disabled) {
  transform: translateY(-2px);
}

.stock-quiz__button--up:active:not(:disabled),
.stock-quiz__button--down:active:not(:disabled) {
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.16), 0 3px 8px rgba(51, 40, 25, 0.12);
  transform: translateY(5px);
}

.stock-quiz__button--up:disabled:not(.has-feedback),
.stock-quiz__button--down:disabled:not(.has-feedback) {
  box-shadow: none;
}

.stock-quiz__button--pass {
  background: transparent;
  border: 1.5px solid #cdbd9c;
  color: #7b6a4d;
  font-size: 0.9rem;
  grid-column: 1 / -1;
  justify-self: center;
  padding: 7px 22px;
  width: auto !important;
}

.stock-quiz__button--pass:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.7);
}

.stock-quiz__button--next,
.stock-quiz__button--result {
  border-radius: 16px;
  font-size: 1.1rem;
  grid-column: 1 / -1;
  letter-spacing: 0.06em;
  padding: 14px 18px;
}

.stock-quiz__result {
  border-radius: 16px;
}

.stock-quiz__footer {
  align-items: center;
  flex-direction: row;
  flex-wrap: wrap;
  gap: 8px 20px;
  justify-content: center;
  margin-top: 20px;
  text-align: center;
}

.stock-quiz__link {
  color: #8a7758;
  font-size: 0.85rem;
}

@media (max-width: 640px) {
  .stock-quiz {
    padding: 16px;
  }

  .stock-quiz__actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .stock-quiz__tools {
    margin-left: 0;
    width: 100%;
  }
}

.stock-quiz__answer-feedback {
  border: 0;
  box-shadow: 0 2px 6px rgba(51, 40, 25, 0.2);
  color: #fff;
  font-size: 0.95rem;
  font-weight: 900;
  height: 1.5em;
  min-width: 1.5em;
  text-shadow: none;
}

.stock-quiz__answer-feedback::after {
  display: none;
}

.stock-quiz__answer-feedback.is-correct {
  background: #3d8b40;
  color: #fff;
}

.stock-quiz__answer-feedback.is-incorrect {
  background: #c74f2b;
  color: #fff;
}

.stock-quiz__result p {
  line-height: 1.6;
  margin: 0;
}

.stock-quiz__result-head {
  font-weight: 700;
  margin-bottom: 6px;
}

/* ---- 配色調整: 背景の生成り・茶に馴染む色へ（緑ボタンの浮きを解消） ---- */
.stock-quiz__button--up {
  background: linear-gradient(180deg, #cf5b3a 0%, #b8452a 100%);
}

.stock-quiz__button--down {
  background: linear-gradient(180deg, #4a7c99 0%, #36637f 100%);
}

.stock-quiz__button--next,
.stock-quiz__button--restart,
.stock-quiz__button--perfect-list {
  background: linear-gradient(180deg, #6b5230 0%, #4a3820 100%);
  box-shadow: 0 4px 0 rgba(47, 36, 23, 0.28), 0 8px 16px rgba(51, 40, 25, 0.12);
}

.stock-quiz__button--next:active:not(:disabled),
.stock-quiz__button--restart:active:not(:disabled),
.stock-quiz__button--perfect-list:active:not(:disabled) {
  box-shadow: 0 1px 0 rgba(47, 36, 23, 0.28);
  transform: translateY(3px);
}

.stock-quiz__button--result {
  background: linear-gradient(180deg, #b78a38 0%, #8f6a24 100%);
  box-shadow: 0 4px 0 rgba(90, 62, 16, 0.32), 0 8px 16px rgba(51, 40, 25, 0.12);
}

.stock-quiz__button--result:active:not(:disabled) {
  box-shadow: 0 1px 0 rgba(90, 62, 16, 0.32);
  transform: translateY(3px);
}

.stock-quiz__progress-seg.is-correct {
  background: #6f9a62;
}

.stock-quiz__answer-feedback.is-correct {
  background: #5f8f55;
}

.stock-quiz__result.is-correct {
  background: #f1f6ea;
  border-color: #cdddbf;
}

/* ---- 配色調整2: 淡いパステル調（派手にせず、文字は濃い同系色で読みやすく） ---- */
.stock-quiz__button--up {
  background: linear-gradient(180deg, #fbc9b8 0%, #f5ad96 100%);
  box-shadow: 0 5px 0 rgba(214, 120, 92, 0.38), 0 10px 18px rgba(214, 120, 92, 0.16);
  color: #7d2f19;
}

.stock-quiz__button--down {
  background: linear-gradient(180deg, #c6dff0 0%, #a8cbe3 100%);
  box-shadow: 0 5px 0 rgba(96, 148, 185, 0.38), 0 10px 18px rgba(96, 148, 185, 0.16);
  color: #25506e;
}

.stock-quiz__button--next,
.stock-quiz__button--restart,
.stock-quiz__button--perfect-list {
  background: linear-gradient(180deg, #f8e6b4 0%, #f1d78f 100%);
  box-shadow: 0 4px 0 rgba(196, 160, 70, 0.4), 0 8px 16px rgba(196, 160, 70, 0.14);
  color: #6b4c10;
}

.stock-quiz__button--result {
  background: linear-gradient(180deg, #e2d6f5 0%, #cdbcee 100%);
  box-shadow: 0 4px 0 rgba(140, 118, 196, 0.4), 0 8px 16px rgba(140, 118, 196, 0.14);
  color: #47356f;
}

.stock-quiz__button--up:active:not(:disabled) {
  box-shadow: 0 1px 0 rgba(214, 120, 92, 0.38);
}

.stock-quiz__button--down:active:not(:disabled) {
  box-shadow: 0 1px 0 rgba(96, 148, 185, 0.38);
}

.stock-quiz__button--next:active:not(:disabled),
.stock-quiz__button--restart:active:not(:disabled),
.stock-quiz__button--perfect-list:active:not(:disabled) {
  box-shadow: 0 1px 0 rgba(196, 160, 70, 0.4);
}

.stock-quiz__button--result:active:not(:disabled) {
  box-shadow: 0 1px 0 rgba(140, 118, 196, 0.4);
}

.stock-quiz__button--up:disabled:not(.has-feedback),
.stock-quiz__button--down:disabled:not(.has-feedback) {
  opacity: 0.55;
}

/* ---- 配色調整3: 上げ/下げは白文字が映える少し濃いパステル、正解・不正解マークは白地に ---- */
.stock-quiz__button--up {
  background: linear-gradient(180deg, #ea8f78 0%, #d86c52 100%);
  box-shadow: 0 5px 0 rgba(176, 80, 56, 0.4), 0 10px 18px rgba(214, 120, 92, 0.2);
  color: #fff;
  text-shadow: 0 1px 2px rgba(120, 40, 20, 0.28);
}

.stock-quiz__button--down {
  background: linear-gradient(180deg, #78aed3 0%, #5693bf 100%);
  box-shadow: 0 5px 0 rgba(52, 100, 140, 0.4), 0 10px 18px rgba(96, 148, 185, 0.2);
  color: #fff;
  text-shadow: 0 1px 2px rgba(20, 60, 100, 0.28);
}

.stock-quiz__button--up:active:not(:disabled) {
  box-shadow: 0 1px 0 rgba(176, 80, 56, 0.4);
}

.stock-quiz__button--down:active:not(:disabled) {
  box-shadow: 0 1px 0 rgba(52, 100, 140, 0.4);
}

.stock-quiz__answer-feedback,
.stock-quiz__answer-feedback.is-correct,
.stock-quiz__answer-feedback.is-incorrect {
  background: #fff;
  box-shadow: 0 1px 4px rgba(51, 40, 25, 0.22);
  text-shadow: none;
}

.stock-quiz__answer-feedback.is-correct {
  color: #4f8a58;
}

.stock-quiz__answer-feedback.is-incorrect {
  color: #d1573a;
}

.stock-quiz__progress-seg.is-correct {
  background: #93c49b;
}

.stock-quiz__progress-seg.is-wrong {
  background: #f0a28c;
}

/* ---- 配色調整4: 「結果を見る」は結果画面の茶色に合わせたモカブラウン ---- */
.stock-quiz__button--result {
  background: linear-gradient(180deg, #a68461 0%, #80613c 100%);
  box-shadow: 0 4px 0 rgba(74, 56, 32, 0.4), 0 8px 16px rgba(74, 56, 32, 0.16);
  color: #fffdf7;
  text-shadow: 0 1px 2px rgba(47, 36, 23, 0.3);
}

.stock-quiz__button--result:active:not(:disabled) {
  box-shadow: 0 1px 0 rgba(74, 56, 32, 0.4);
}