:root {
  color-scheme: light;
  font-family: "Hiragino Sans", "Yu Gothic", "Meiryo", system-ui, sans-serif;
  --bg: #eef2f3;
  --panel: #ffffff;
  --ink: #182326;
  --muted: #5e6c70;
  --line: #ccd6d8;
  --line-strong: #aebdc0;
  --accent: #19745f;
  --accent-strong: #0f5c4b;
  --accent-soft: #e4f3ee;
  --warning: #9a4d38;
  --warning-soft: #fff1ed;
  --stage: #dfe6e8;
  --shadow: 0 10px 28px rgba(24, 35, 38, .1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body.document-photo-fix {
  background: var(--bg);
  color: var(--ink);
  line-height: 1.65;
  margin: 0;
  min-width: 0;
}

body.is-dragging-point {
  user-select: none;
}

button,
input,
select {
  font: inherit;
  letter-spacing: 0;
}

button,
select,
input[type="range"] {
  min-width: 0;
}

button {
  align-items: center;
  background: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 7px;
  color: #fff;
  cursor: pointer;
  display: inline-flex;
  font-weight: 700;
  justify-content: center;
  min-height: 44px;
  padding: .55rem .8rem;
  text-align: center;
}

button:hover:not(:disabled) {
  background: var(--accent-strong);
  border-color: var(--accent-strong);
}

button:focus-visible,
select:focus-visible,
.dpf-drop-zone:focus-visible,
.dpf-return-links a:focus-visible {
  outline: 3px solid rgba(25, 116, 95, .28);
  outline-offset: 2px;
}

button:disabled,
select:disabled,
input:disabled {
  cursor: default;
  opacity: .45;
}

button.secondary {
  background: #fff;
  border-color: var(--line-strong);
  color: var(--ink);
}

button.secondary:hover:not(:disabled) {
  background: #f3f7f7;
  border-color: #879a9e;
}

button.danger {
  background: #fff;
  border-color: #d8a396;
  color: var(--warning);
}

button.danger:hover:not(:disabled) {
  background: var(--warning-soft);
  border-color: var(--warning);
}

select {
  background: #fff;
  border: 1px solid var(--line-strong);
  border-radius: 7px;
  color: var(--ink);
  min-height: 44px;
  padding: .5rem 2rem .5rem .65rem;
  width: 100%;
}

input[type="range"] {
  accent-color: var(--accent);
  width: 100%;
}

h1,
h2,
p,
li,
a,
button,
span,
strong,
small {
  overflow-wrap: anywhere;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  font-size: 2.2rem;
  line-height: 1.2;
  margin-bottom: .55rem;
}

h2 {
  font-size: 1.15rem;
  line-height: 1.35;
  margin-bottom: .45rem;
}

.visually-hidden {
  border: 0;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  height: 1px;
  margin: -1px;
  overflow: hidden;
  padding: 0;
  position: absolute;
  white-space: nowrap;
  width: 1px;
}

.dpf-shell {
  margin-inline: auto;
  max-width: 1180px;
  padding: 1rem 1rem 2rem;
  width: 100%;
}

.dpf-header {
  padding: .35rem 0 .9rem;
}

.dpf-back {
  color: var(--accent-strong);
  display: inline-block;
  font-size: .9rem;
  font-weight: 700;
  margin-bottom: .55rem;
  text-decoration: none;
}

.dpf-kicker {
  color: var(--accent-strong);
  font-size: .76rem;
  font-weight: 800;
  letter-spacing: 0;
  margin-bottom: .18rem;
}

.dpf-lead {
  color: var(--muted);
  margin-bottom: 0;
  max-width: 780px;
}

.dpf-tool {
  display: grid;
  gap: .85rem;
}

.dpf-load-row {
  align-items: stretch;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  display: grid;
  gap: .75rem;
  grid-template-columns: minmax(300px, 1.5fr) minmax(180px, .7fr) minmax(180px, .65fr);
  padding: .8rem;
}

.dpf-drop-zone {
  align-items: center;
  background: #f7faf9;
  border: 2px dashed var(--line-strong);
  border-radius: 7px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 84px;
  padding: .65rem;
  text-align: center;
}

.dpf-drop-zone strong {
  color: var(--ink);
}

.dpf-drop-zone span {
  color: var(--muted);
  font-size: .82rem;
}

.dpf-drop-zone.is-drag-over {
  background: var(--accent-soft);
  border-color: var(--accent);
}

.dpf-drop-zone.is-received {
  border-style: solid;
  border-color: var(--accent);
}

.dpf-load-actions {
  display: grid;
  gap: .55rem;
  grid-template-columns: 1fr;
}

.dpf-file-state {
  border-left: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
  padding-left: .8rem;
}

.dpf-file-state span,
.dpf-file-state small {
  color: var(--muted);
  font-size: .82rem;
}

.dpf-file-state strong {
  font-size: .95rem;
  max-width: 100%;
}

.dpf-view-tabs {
  display: none;
}

.dpf-workspace {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.dpf-image-panel,
.dpf-controls {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  min-width: 0;
  padding: .8rem;
}

.dpf-panel-heading {
  align-items: center;
  display: flex;
  gap: .75rem;
  justify-content: space-between;
  min-height: 52px;
}

.dpf-panel-heading h2,
.dpf-control-heading h2 {
  margin-bottom: 0;
}

.dpf-panel-heading > span {
  color: var(--muted);
  font-size: .78rem;
  text-align: right;
}

.dpf-canvas-stage {
  align-items: center;
  background-color: var(--stage);
  background-image:
    linear-gradient(45deg, rgba(255,255,255,.38) 25%, transparent 25%),
    linear-gradient(-45deg, rgba(255,255,255,.38) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, rgba(255,255,255,.38) 75%),
    linear-gradient(-45deg, transparent 75%, rgba(255,255,255,.38) 75%);
  background-position: 0 0, 0 12px, 12px -12px, -12px 0;
  background-size: 24px 24px;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  display: flex;
  justify-content: center;
  min-height: 330px;
  overflow: hidden;
  position: relative;
}

.dpf-canvas-stage canvas {
  background: #fff;
  display: block;
  height: auto;
  max-height: 62vh;
  max-width: 100%;
  object-fit: contain;
  width: 100%;
}

.dpf-editor-stage canvas {
  touch-action: pan-y;
}

.dpf-empty-message {
  color: var(--muted);
  left: 50%;
  margin: 0;
  max-width: 80%;
  position: absolute;
  text-align: center;
  top: 50%;
  transform: translate(-50%, -50%);
}

.dpf-corner-handles {
  inset: 0;
  pointer-events: none;
  position: absolute;
}

.dpf-corner-handle {
  background: transparent;
  border: 0;
  border-radius: 50%;
  height: 44px;
  left: 0;
  min-height: 44px;
  padding: 0;
  pointer-events: auto;
  position: absolute;
  top: 0;
  touch-action: none;
  transform: translate(-50%, -50%);
  width: 44px;
}

.dpf-corner-handle::before {
  background: #fff;
  border: 4px solid var(--accent);
  border-radius: 50%;
  box-shadow: 0 1px 5px rgba(0,0,0,.3);
  content: "";
  height: 18px;
  left: 50%;
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 18px;
}

.dpf-corner-handle:hover:not(:disabled),
.dpf-corner-handle:focus-visible {
  background: rgba(25, 116, 95, .14);
}

.dpf-corner-handle.is-dragging::before {
  background: #ffeadf;
  border-color: #d85d3f;
  transform: translate(-50%, -50%) scale(1.16);
}

.dpf-segmented {
  border: 1px solid var(--line-strong);
  border-radius: 7px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  min-width: 150px;
  overflow: hidden;
}

.dpf-segmented button {
  background: #fff;
  border: 0;
  border-radius: 0;
  color: var(--muted);
  font-size: .8rem;
  min-height: 36px;
  padding: .3rem .5rem;
}

.dpf-segmented button + button {
  border-left: 1px solid var(--line-strong);
}

.dpf-segmented button[aria-pressed="true"] {
  background: var(--accent);
  color: #fff;
}

.dpf-output-meta {
  display: grid;
  font-size: .82rem;
  gap: .25rem .6rem;
  grid-template-columns: auto 1fr auto 1fr;
  margin-top: .6rem;
}

.dpf-output-meta span {
  color: var(--muted);
}

.dpf-controls {
  align-items: end;
  display: grid;
  gap: .75rem;
  grid-column: 1 / -1;
  grid-template-columns: minmax(140px, .7fr) minmax(190px, 1fr) minmax(250px, 1.25fr) minmax(180px, .85fr) minmax(150px, .65fr);
}

.dpf-control-heading {
  align-self: center;
}

.dpf-control-group {
  align-items: stretch;
  display: grid;
  gap: .45rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-template-rows: 1.2rem 44px 44px;
  min-width: 0;
}

.dpf-control-label,
.dpf-control-group > label {
  align-self: end;
  color: var(--muted);
  font-size: .78rem;
  grid-column: 1 / -1;
  line-height: 1.2;
}

.dpf-control-group > button,
.dpf-control-group > select {
  width: 100%;
}

.dpf-adjust-group #rotateLeft,
.dpf-adjust-group #rotateRight {
  grid-row: 2;
}

.dpf-adjust-group #resetCorners,
.dpf-filter-group #filterMode,
.dpf-filter-group #applyCorrection {
  grid-column: 1 / -1;
}

.dpf-adjust-group #resetCorners,
.dpf-filter-group #applyCorrection {
  grid-row: 3;
}

.dpf-filter-group #filterMode {
  grid-row: 2;
}

.dpf-save-group {
  grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr);
}

.dpf-save-group > label {
  grid-column: auto;
}

.dpf-save-group label[for="outputFormat"] {
  grid-column: 1;
  grid-row: 1;
}

.dpf-save-group label[for="jpegQuality"] {
  grid-column: 2;
  grid-row: 1;
}

.dpf-save-group #outputFormat {
  grid-column: 1;
  grid-row: 2;
}

.dpf-save-group #jpegQuality {
  align-self: center;
  grid-column: 2;
  grid-row: 2;
}

.dpf-save-group #saveImage {
  grid-column: 1 / -1;
  grid-row: 3;
  width: 100%;
}

.dpf-reset-group {
  grid-template-columns: 1fr;
}

.dpf-reset-group #newImage {
  grid-column: 1 / -1;
  grid-row: 2;
}

.dpf-reset-group #resetAll {
  grid-column: 1 / -1;
  grid-row: 3;
}

.dpf-status {
  background: var(--accent-soft);
  border-left: 4px solid var(--accent);
  color: var(--accent-strong);
  min-height: 48px;
  padding: .65rem .8rem;
}

.dpf-status.is-error {
  background: var(--warning-soft);
  border-color: var(--warning);
  color: var(--warning);
}

.dpf-status.is-processing {
  background: #fff8df;
  border-color: #b78712;
  color: #785c13;
}

.dpf-processing-note {
  color: var(--muted);
  font-size: .78rem;
  margin: -.35rem 0 0;
}

.dpf-ad-reserve {
  align-items: center;
  color: #788589;
  display: flex;
  font-size: .72rem;
  justify-content: center;
  margin: 1rem 0;
  min-height: 180px;
  text-align: center;
}

.dpf-ad-slot {
  width: 100%;
}

.dpf-ad-slot > span {
  display: block;
  margin-bottom: .45rem;
}

.dpf-info-band,
.dpf-privacy-note,
.dpf-comments-placeholder {
  background: var(--panel);
  border-top: 1px solid var(--line);
  padding: 1rem;
}

.dpf-info-band {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.dpf-info-band ol {
  margin-bottom: 0;
  padding-left: 1.25rem;
}

.dpf-info-band p,
.dpf-privacy-note p,
.dpf-comments-placeholder p {
  color: var(--muted);
  margin-bottom: 0;
}

.dpf-privacy-note,
.dpf-comments-placeholder {
  margin-top: .75rem;
}

.dpf-return-links {
  display: grid;
  gap: .6rem;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 1rem;
}

.dpf-return-links a {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 7px;
  color: var(--accent-strong);
  font-weight: 700;
  padding: .7rem;
  text-align: center;
  text-decoration: none;
}

.dpf-return-links a:hover {
  background: var(--accent-soft);
  border-color: var(--accent);
}

.dpf-footer {
  color: var(--muted);
  font-size: .82rem;
  padding: 1.25rem 0 .5rem;
  text-align: center;
}

@media (max-width: 1100px) {
  .dpf-load-row {
    grid-template-columns: minmax(260px, 1.4fr) minmax(170px, .7fr) minmax(150px, .6fr);
  }

  .dpf-controls {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .dpf-control-heading {
    grid-column: 1 / -1;
  }
}

@media (max-width: 767px) {
  html {
    scroll-behavior: auto;
  }

  .dpf-shell {
    padding: .7rem .75rem 1.5rem;
  }

  .dpf-header {
    padding-bottom: .75rem;
  }

  h1 {
    font-size: 1.75rem;
    line-height: 1.24;
  }

  .dpf-lead {
    font-size: .92rem;
  }

  .dpf-load-row {
    grid-template-columns: 1fr;
  }

  .dpf-drop-zone {
    min-height: 92px;
  }

  .dpf-load-actions {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .dpf-file-state {
    border-left: 0;
    border-top: 1px solid var(--line);
    padding: .65rem 0 0;
  }

  .dpf-view-tabs {
    background: rgba(238, 242, 243, .96);
    display: grid;
    gap: .4rem;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    padding: .35rem 0;
    position: sticky;
    top: 0;
    z-index: 30;
  }

  .dpf-view-tabs button {
    background: #fff;
    border-color: var(--line-strong);
    color: var(--muted);
    font-size: .84rem;
    min-height: 42px;
    padding-inline: .35rem;
  }

  .dpf-view-tabs button[aria-selected="true"] {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
  }

  .dpf-workspace {
    display: block;
  }

  .dpf-image-panel,
  .dpf-controls {
    padding: .7rem;
  }

  body[data-mobile-view="source"] .dpf-result-panel,
  body[data-mobile-view="source"] .dpf-controls,
  body[data-mobile-view="result"] .dpf-source-panel,
  body[data-mobile-view="result"] .dpf-controls,
  body[data-mobile-view="controls"] .dpf-source-panel,
  body[data-mobile-view="controls"] .dpf-result-panel {
    display: none;
  }

  .dpf-canvas-stage {
    min-height: 260px;
  }

  .dpf-canvas-stage canvas {
    max-height: none;
  }

  .dpf-panel-heading {
    align-items: flex-start;
  }

  .dpf-panel-heading > span {
    max-width: 48%;
  }

  .dpf-controls {
    display: grid;
    grid-template-columns: 1fr;
  }

  .dpf-control-heading {
    grid-column: auto;
  }

  .dpf-control-group,
  .dpf-save-group,
  .dpf-reset-group {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .dpf-save-group #saveImage {
    grid-column: 1 / -1;
  }

  .dpf-info-band,
  .dpf-return-links {
    grid-template-columns: 1fr;
  }

  .dpf-ad-reserve {
    min-height: 140px;
  }
}

@media (max-width: 390px) {
  .dpf-shell {
    padding-inline: .6rem;
  }

  h1 {
    font-size: 1.65rem;
  }

  .dpf-panel-heading {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
  }

  .dpf-panel-heading > span {
    max-width: none;
    text-align: left;
  }

  .dpf-segmented {
    min-width: 0;
    width: 100%;
  }

  .dpf-output-meta {
    grid-template-columns: auto 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
  }
}