/* opacity Canvas editor: 2026-08-30 v13 */

.bk-opacity-control-area .form-group {
  margin-bottom: 0;
}

.bk-opacity-control-area .bk-range-stepper {
  display: flex;
  align-items: stretch;
  flex: 0 0 auto;
}

.bk-opacity-control-area .bk-range-step-button {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  padding: 0 12px;
  border: 0;
  border-left: 1px solid #ccc;
  background: #fff;
  color: #333;
  font-size: 18px;
  cursor: pointer;
  touch-action: manipulation;
  -webkit-user-select: none;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.bk-opacity-control-area .bk-range-step-button:hover:not(:disabled),
.bk-opacity-control-area .bk-range-step-button:focus {
  background: #e6e6e6;
}

.bk-opacity-control-area .bk-range-step-button:disabled {
  color: #aaa;
  cursor: not-allowed;
}

.bk-opacity-control-area .bk-range-stepper .bk-range-value {
  min-width: 64px;
  border-left: 1px solid #ccc;
}

.bk-opacity-gradient-section {
  margin-top: 16px;
  padding: 18px 20px 20px;
  border: 1px solid #d6e1e8;
  border-radius: 9px;
  background: #f7fafc;
  box-shadow: 0 1px 2px rgba(31, 55, 70, 0.05);
}

.bk-opacity-gradient-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px 24px;
  margin-bottom: 14px;
}

.bk-opacity-gradient-toggle {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin: 0;
  color: #263d4b;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
}

.bk-opacity-gradient-toggle input {
  width: 18px;
  height: 18px;
  margin: 0;
}

.bk-opacity-gradient-heading p {
  margin: 0;
  color: #61727d;
  font-size: 13px;
  line-height: 1.5;
}

.bk-opacity-gradient-controls {
  display: grid;
  gap: 10px;
  padding: 14px;
  border: 1px solid #dbe5eb;
  border-radius: 6px;
  background: #fff;
}

.bk-opacity-gradient-select-row,
.bk-opacity-gradient-range-row {
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr) 58px;
  align-items: center;
  gap: 10px;
}

.bk-opacity-gradient-range-row,
.bk-opacity-feather-range-row {
  grid-template-columns: 132px minmax(0, 1fr) auto;
}

@media (min-width: 481px) {
  .bk-opacity-gradient-range-row,
  .bk-opacity-feather-range-row {
    display: flex;
    align-items: center;
    gap: 10px;
  }

  .bk-opacity-gradient-range-row label,
  .bk-opacity-feather-range-row label {
    flex: 0 0 132px;
  }

  .bk-opacity-gradient-range-row input[type="range"],
  .bk-opacity-feather-range-row input[type="range"] {
    flex: 1 1 auto;
    min-width: 0;
  }

  .bk-opacity-gradient-range-row .bk-opacity-inline-stepper,
  .bk-opacity-feather-range-row .bk-opacity-inline-stepper {
    flex: 0 0 132px;
  }
}

.bk-opacity-gradient-select-row label,
.bk-opacity-gradient-range-row label {
  margin: 0;
  color: #344851;
  font-weight: 700;
}

.bk-opacity-gradient-select-row select {
  grid-column: span 2;
  height: 42px;
}

.bk-opacity-gradient-range-row input[type="range"] {
  width: 100%;
}

.bk-opacity-gradient-range-row output {
  min-width: 58px;
  padding: 7px 6px;
  border: 1px solid #b9d7ea;
  border-radius: 4px;
  background: #eff8fd;
  color: #176f9f;
  font-weight: 700;
  text-align: center;
}

.bk-opacity-inline-stepper {
  display: flex;
  align-items: stretch;
  flex: 0 0 132px;
  width: 132px;
  max-width: 132px;
  min-width: 0;
  overflow: hidden;
}

.bk-opacity-inline-stepper button {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 38px;
  width: 38px;
  max-width: 38px;
  min-height: 42px;
  padding: 0;
  border: 1px solid #b9d7ea;
  box-sizing: border-box;
  background: #fff;
  color: #176f9f;
  font-size: 15px;
  cursor: pointer;
  touch-action: manipulation;
}

.bk-opacity-inline-stepper button:first-child {
  border-radius: 4px 0 0 4px;
}

.bk-opacity-inline-stepper button:last-child {
  border-radius: 0 4px 4px 0;
}

.bk-opacity-inline-stepper button:disabled {
  border-color: #d5e2e9;
  color: #aabcc6;
  background: #f8fbfc;
  cursor: not-allowed;
}

.bk-opacity-inline-stepper output {
  display: flex;
  flex: 0 0 56px;
  align-items: center;
  justify-content: center;
  width: 56px;
  max-width: 56px;
  min-width: 0;
  min-height: 42px;
  margin: 0;
  padding: 0 4px;
  box-sizing: border-box;
  border-radius: 0;
  line-height: 1;
}

.bk-opacity-gradient-controls.is-disabled {
  opacity: 0.5;
}

.bk-opacity-feather-section {
  margin-top: 12px;
  padding: 18px 20px 20px;
  border: 1px solid #d6e1e8;
  border-radius: 9px;
  background: #f7fafc;
  box-shadow: 0 1px 2px rgba(31, 55, 70, 0.05);
}

.bk-opacity-feather-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px 24px;
  margin-bottom: 14px;
}

.bk-opacity-feather-toggle {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin: 0;
  color: #263d4b;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
}

.bk-opacity-feather-toggle input {
  width: 18px;
  height: 18px;
  margin: 0;
}

.bk-opacity-feather-heading p {
  margin: 0;
  color: #61727d;
  font-size: 13px;
  line-height: 1.5;
}

.bk-opacity-feather-note {
  display: block;
  margin-top: 3px;
  color: #8a6418;
}

.bk-opacity-feather-controls {
  display: grid;
  gap: 10px;
  padding: 14px;
  border: 1px solid #dbe5eb;
  border-radius: 6px;
  background: #fff;
}

.bk-opacity-feather-range-row {
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr) 58px;
  align-items: center;
  gap: 10px;
}

.bk-opacity-feather-range-row label {
  margin: 0;
  color: #344851;
  font-weight: 700;
}

.bk-opacity-feather-range-row input[type="range"] {
  width: 100%;
}

.bk-opacity-feather-range-row output {
  min-width: 58px;
  padding: 7px 6px;
  border: 1px solid #b9d7ea;
  border-radius: 4px;
  background: #eff8fd;
  color: #176f9f;
  font-weight: 700;
  text-align: center;
}

.bk-opacity-feather-controls.is-disabled {
  opacity: 0.5;
}

.bk-opacity-reset-row {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px 14px;
  margin-top: 12px;
  color: #66747b;
  font-size: 13px;
  line-height: 1.5;
}

.bk-opacity-reset-button {
  flex: 0 0 auto;
}

.bk-opacity-reset-button .fa-solid {
  margin-right: 3px;
}

.bk-opacity-control-note {
  margin: 10px 0 0;
  color: #66747b;
  font-size: 13px;
  line-height: 1.5;
}

.bk-opacity-related-guide {
  margin-top: 10px;
  padding: 8px 12px;
  color: #53636b;
  font-size: 13px;
  line-height: 1.5;
}

.bk-opacity-related-guide .fa-solid {
  margin-right: 4px;
  color: #337ab7;
}

.bk-opacity-output-setting .bk-output-format {
  margin-bottom: 10px;
}

/* stamp_balloonと同じ「その他の設定」のレイアウト規則を適用する。 */
.bk-opacity-view-setting,
.bk-opacity-output-setting {
  padding: 0;
  margin-bottom: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
}

.bk-opacity-view-setting .bk-output-format,
.bk-opacity-output-setting .bk-output-format {
  margin-bottom: 10px;
}

/* stamp_balloonと同じ、使い方の手順カードと詳細表示。 */
.bk-opacity-quick-guide {
  margin: 12px 0;
}

.bk-opacity-quick-guide-intro {
  display: flex;
  flex-direction: column;
  margin-bottom: 8px;
}

.bk-opacity-quick-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  padding: 0;
  list-style: none;
}

.bk-opacity-quick-steps li {
  display: flex;
  gap: 7px;
  padding: 9px;
  border: 1px solid #d8e0e6;
  border-radius: 7px;
  background: #fff;
}

.bk-opacity-quick-step-number {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 26px;
  height: 26px;
  border-radius: 50%;
  background: #18a8da;
  color: #fff;
  font-weight: 700;
}

.bk-opacity-quick-steps small {
  display: block;
  color: #68747d;
}

.bk-opacity-help-details,
.bk-opacity-faq-list details {
  margin: 7px 0;
  border: 1px solid #d8e0e6;
  border-radius: 6px;
  background: #fff;
}

.bk-opacity-help-details summary,
.bk-opacity-faq-list summary {
  padding: 9px;
  font-weight: 700;
  cursor: pointer;
}

.bk-opacity-help-details-body,
.bk-opacity-faq-list p {
  padding: 0 10px 10px;
}

#canvas_id {
  display: block;
  max-width: 100%;
}

@keyframes bk-opacity-canvas-fallback {
  to {
    visibility: visible;
  }
}

@media (min-width: 992px) {
  #main .image-wrapper {
    padding: 5px 50px;
  }

  #canvas_id:not(.bk-canvas-ready) {
    visibility: hidden;
    animation: bk-opacity-canvas-fallback 0s linear 3s forwards;
  }

  #canvas_id.bk-canvas-ready {
    visibility: visible;
    animation: none;
  }
}

@media (max-width: 991px) {
  .bk-opacity-view-setting {
    display: none;
  }

  .bk-opacity-quick-steps {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .bk-opacity-quick-steps {
    grid-template-columns: 1fr;
  }

  .bk-opacity-control-area .bk-range-step-button {
    min-width: 42px;
    padding: 0 10px;
  }

  .bk-opacity-control-area .bk-range-stepper .bk-range-value {
    min-width: 58px;
    padding-right: 8px;
    padding-left: 8px;
  }

  .bk-opacity-control-area .bk-range-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-rows: 42px 58px;
  }

  .bk-opacity-control-area .bk-range-label {
    grid-column: 1 / -1;
    grid-row: 1;
    min-height: 42px;
    padding: 0 14px;
    border-right: 0;
    border-bottom: 1px solid #ccc;
    justify-content: flex-start;
    font-size: 17px;
  }

  .bk-opacity-control-area .bk-range-input {
    grid-column: 1;
    grid-row: 2;
    min-width: 0;
  }

  .bk-opacity-control-area .bk-range-stepper {
    grid-column: 2;
    grid-row: 2;
  }

  .bk-opacity-gradient-select-row,
  .bk-opacity-gradient-range-row,
  .bk-opacity-feather-range-row {
    grid-template-columns: 106px minmax(0, 1fr) 52px;
    gap: 6px;
  }

  .bk-opacity-gradient-range-row output,
  .bk-opacity-feather-range-row output {
    min-width: 52px;
  }

  .bk-opacity-gradient-range-row,
  .bk-opacity-feather-range-row {
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-rows: 30px 46px;
    gap: 5px 8px;
  }

  .bk-opacity-gradient-range-row label,
  .bk-opacity-feather-range-row label {
    grid-column: 1 / -1;
    grid-row: 1;
    font-size: 14px;
  }

  .bk-opacity-gradient-range-row input[type="range"],
  .bk-opacity-feather-range-row input[type="range"] {
    grid-column: 1;
    grid-row: 2;
  }

  .bk-opacity-gradient-range-row .bk-opacity-inline-stepper,
  .bk-opacity-feather-range-row .bk-opacity-inline-stepper {
    grid-column: 2;
    grid-row: 2;
  }

  .bk-opacity-inline-stepper {
    flex-basis: 126px;
    width: 126px;
    max-width: 126px;
  }

  .bk-opacity-inline-stepper button {
    flex-basis: 36px;
    width: 36px;
    max-width: 36px;
    min-height: 46px;
  }

  .bk-opacity-inline-stepper output {
    flex-basis: 54px;
    width: 54px;
    max-width: 54px;
    min-height: 46px;
    padding: 0 4px;
  }

  .bk-opacity-gradient-section {
    margin-top: 12px;
    padding: 14px 12px;
  }

  .bk-opacity-gradient-heading {
    display: block;
    margin-bottom: 12px;
  }

  .bk-opacity-gradient-heading p {
    margin-top: 5px;
  }

  .bk-opacity-gradient-controls {
    padding: 10px;
  }

  .bk-opacity-feather-section {
    margin-top: 12px;
    padding: 14px 12px;
  }

  .bk-opacity-feather-heading {
    display: block;
    margin-bottom: 12px;
  }

  .bk-opacity-feather-heading p {
    margin-top: 5px;
  }

  .bk-opacity-feather-note {
    margin-top: 4px;
  }

  .bk-opacity-feather-controls {
    padding: 10px;
  }

  .bk-opacity-reset-row {
    display: grid;
    justify-content: stretch;
    gap: 7px;
    margin-top: 10px;
  }

  .bk-opacity-reset-button {
    width: 100%;
    min-height: 42px;
  }
}

/*
 * PCでは、ふちぼかし行をラベル／可変スライダー／固定幅ステッパーの3列にする。
 * 基本のGrid指定より後に置き、カスケードで打ち消されないようにする。
 */
@media (min-width: 481px) {
  .bk-opacity-feather-range-row {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
    max-width: 100%;
  }

  .bk-opacity-feather-range-row label {
    flex: 0 0 132px;
  }

  .bk-opacity-feather-range-row input[type="range"] {
    flex: 1 1 auto;
    width: auto;
    min-width: 0;
  }

  .bk-opacity-feather-range-row .bk-opacity-inline-stepper {
    flex: 0 0 132px;
    width: 132px;
    max-width: 132px;
    min-width: 132px;
    box-sizing: border-box;
  }
}

/* 汎用output指定による余白を打ち消し、値を常に縦横中央にそろえる。 */
.bk-opacity-gradient-range-row .bk-opacity-inline-stepper output,
.bk-opacity-feather-range-row .bk-opacity-inline-stepper output {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 56px;
  width: 56px;
  max-width: 56px;
  min-width: 0;
  min-height: 42px;
  margin: 0;
  padding: 0 4px;
  box-sizing: border-box;
  border-radius: 0;
  line-height: 1;
  text-align: center;
}

@media (max-width: 480px) {
  .bk-opacity-gradient-range-row .bk-opacity-inline-stepper output,
  .bk-opacity-feather-range-row .bk-opacity-inline-stepper output {
    flex-basis: 54px;
    width: 54px;
    max-width: 54px;
    min-height: 46px;
  }
}