:root {
  color-scheme: light;
  --bg: #f6f7f3;
  --panel: #ffffff;
  --ink: #202327;
  --muted: #68707a;
  --line: #d9ded7;
  --soft: #eef2ed;
  --brand: #b3261e;
  --brand-dark: #861b16;
  --green: #176b4d;
  --amber: #a46400;
  --shadow: 0 12px 30px rgba(26, 31, 36, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans", "Yu Gothic", Meiryo, sans-serif;
  letter-spacing: 0;
}

button,
input,
textarea,
a {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

.app-shell {
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: max(18px, env(safe-area-inset-top)) 16px max(28px, env(safe-area-inset-bottom));
}

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 0 18px;
}

.app-nav,
.app-footer,
.info-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}

.app-nav a,
.app-footer a {
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--muted);
  background: #fff;
  padding: 8px 10px;
  font-size: 12px;
  font-weight: 800;
  text-decoration: none;
}

.app-nav a:hover,
.app-nav a:focus-visible,
.app-footer a:hover,
.app-footer a:focus-visible {
  border-color: var(--green);
  color: var(--green);
  outline: none;
}

.eyebrow {
  margin: 0 0 4px;
  color: var(--brand);
  font-size: 12px;
  font-weight: 800;
}

h1,
h2 {
  margin: 0;
  line-height: 1.2;
  letter-spacing: 0;
}

.tagline {
  margin: 7px 0 0;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.intro-copy {
  display: grid;
  gap: 4px;
  border-left: 4px solid var(--green);
  border-radius: 6px;
  background: #edf4ef;
  padding: 12px 14px;
}

.intro-copy strong { color: var(--green); }
.intro-copy span { color: var(--muted); font-size: 13px; line-height: 1.55; }

h1 {
  font-size: clamp(24px, 5vw, 38px);
}

h2 {
  font-size: 18px;
}

.photo-actions,
.output-actions,
.download-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.workspace {
  display: grid;
  gap: 14px;
}

.ad-slot {
  min-height: 90px;
  border: 1px dashed #c7ccc6;
  border-radius: 8px;
  background: #fff;
  color: var(--muted);
  display: grid;
  place-items: center;
  align-content: center;
  gap: 4px;
  padding: 10px;
  text-align: center;
}

.ad-slot.is-ad-disabled {
  display: none;
}

.ad-label {
  font-size: 10px;
  letter-spacing: .08em;
}

.ad-code-target {
  width: 100%;
  min-height: 50px;
  display: grid;
  place-items: center;
  font-size: 13px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  padding: 16px;
}

.panel-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.panel-title.compact {
  margin-bottom: 10px;
}

.photo-title {
  align-items: flex-start;
}

.photo-heading {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
}

.photo-actions {
  justify-content: flex-end;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--ink);
  font-size: 16px;
  padding: 11px 12px;
  min-height: 44px;
  outline: none;
}

textarea {
  min-height: 82px;
  resize: vertical;
}

input:focus,
textarea:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(23, 107, 77, 0.14);
}

.wide-field {
  margin-top: 12px;
}

.ghost-button,
.primary-button,
.excel-button,
.secondary-button,
.danger-button,
.icon-button {
  border: 1px solid transparent;
  border-radius: 6px;
  min-height: 44px;
  padding: 0 14px;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-weight: 800;
  white-space: nowrap;
}

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

.photo-action-button {
  position: relative;
  overflow: hidden;
  border: 1px solid transparent;
  border-radius: 6px;
  min-height: 44px;
  padding: 0 14px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-weight: 800;
  white-space: nowrap;
  background: var(--brand);
  color: #fff;
}

.photo-action-button span {
  color: inherit;
  pointer-events: none;
}

.action-file-input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  min-height: 44px;
  opacity: 0.01;
  cursor: pointer;
}

.file-picker {
  display: grid;
  gap: 6px;
  color: var(--ink);
  font-size: 13px;
  font-weight: 800;
}

.file-picker span {
  color: var(--muted);
}

.file-input {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--ink);
  padding: 10px;
  cursor: pointer;
}

.card-file-picker {
  position: relative;
  overflow: hidden;
  min-height: 44px;
  margin: 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fbfcfa;
  color: var(--ink);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 12px;
  font-size: 13px;
  font-weight: 800;
  cursor: pointer;
}

.card-file-picker .file-input {
  position: absolute;
  inset: 0;
  height: 100%;
  border: 0;
  opacity: 0.01;
  padding: 0;
}

.primary-button {
  min-width: 176px;
  background: var(--brand);
  color: #fff;
}

.excel-button {
  border: 1px solid transparent;
  border-radius: 6px;
  min-height: 44px;
  padding: 0 14px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  white-space: nowrap;
  background: #176b4d;
  color: #fff;
}

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

.danger-button {
  background: #fff6f5;
  color: var(--brand-dark);
  border-color: #efc6c2;
}

.icon-button {
  width: 40px;
  min-width: 40px;
  padding: 0;
  background: #fff;
  color: var(--muted);
  border-color: var(--line);
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.6;
}

.count-badge {
  min-width: 54px;
  border-radius: 999px;
  background: #edf4ef;
  color: var(--green);
  padding: 5px 10px;
  text-align: center;
  font-size: 13px;
  font-weight: 800;
}

.empty-state {
  min-height: 150px;
  border: 1px dashed #bdc7ba;
  border-radius: 8px;
  background: #fbfcfa;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 8px;
  color: var(--muted);
  text-align: center;
  padding: 24px;
}

.empty-state strong {
  color: var(--ink);
  font-size: 18px;
}

.photo-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.photo-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: #fff;
}

.photo-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 9px 10px;
  background: #f8faf7;
  border-bottom: 1px solid var(--line);
}

.photo-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 999px;
  background: var(--brand);
  color: #fff;
  font-weight: 900;
}

.card-tools {
  display: flex;
  gap: 6px;
}

.photo-frame {
  width: 100%;
  aspect-ratio: 4 / 3;
  background: #edf0f2;
  display: grid;
  place-items: center;
}

.photo-frame img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.photo-placeholder {
  color: var(--muted);
  font-weight: 800;
  text-align: center;
  padding: 18px;
}

.comment-area {
  padding: 10px;
}

.comment-area textarea {
  min-height: 92px;
}

.comment-editor {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  align-items: end;
}

.comment-editor-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(20, 24, 28, 0.28);
}

.comment-editor-panel {
  position: relative;
  z-index: 1;
  width: min(100%, 640px);
  margin: 0 auto;
  border: 1px solid var(--line);
  border-radius: 8px 8px 0 0;
  background: #fff;
  box-shadow: 0 -16px 36px rgba(26, 31, 36, 0.14);
  padding: 14px 14px max(14px, env(safe-area-inset-bottom));
}

.comment-editor-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.comment-editor-body {
  display: grid;
  gap: 10px;
}

.comment-editor-image {
  width: 100%;
  max-height: 220px;
  border-radius: 6px;
  background: #edf0f2;
  object-fit: contain;
}

.comment-editor-actions {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 10px;
  margin-top: 10px;
}

.next-photo-button {
  width: 100%;
}

.output-panel {
  position: sticky;
  bottom: 12px;
  z-index: 5;
}

.info-panel {
  display: grid;
  gap: 16px;
  line-height: 1.8;
}

.info-panel h2,
.info-panel h3 {
  color: var(--ink);
}

.info-panel p,
.info-panel li {
  color: var(--muted);
}

.info-panel p {
  margin: 0;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.info-grid article,
.guide-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfa;
  padding: 14px;
}

.info-grid ul,
.guide-card ul,
.guide-card ol {
  display: grid;
  gap: 7px;
  margin: 10px 0 0;
  padding-left: 1.25rem;
}

.app-footer {
  justify-content: center;
  padding: 20px 0 0;
}

.guide-page {
  display: grid;
  gap: 14px;
}

.guide-hero {
  border-left: 4px solid var(--brand);
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
  padding: 18px;
}

.guide-hero p {
  color: var(--muted);
  line-height: 1.8;
}

.guide-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.status-line {
  min-height: 22px;
  margin: 10px 0 0;
  color: var(--muted);
  font-weight: 700;
}

.download-box {
  margin-top: 12px;
  border: 1px solid #d7c394;
  background: #fffaf0;
  border-radius: 8px;
  padding: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.download-box div:first-child {
  display: grid;
  gap: 4px;
}

.download-box span {
  color: var(--amber);
  font-size: 13px;
  font-weight: 700;
}

.hidden,
.visually-hidden {
  display: none !important;
}

@media (max-width: 760px) {
  .app-shell {
    padding: max(8px, env(safe-area-inset-top)) 8px max(14px, env(safe-area-inset-bottom));
  }

  .app-header {
    display: block;
    padding: 4px 0 8px;
  }

  .app-nav {
    justify-content: flex-start;
    margin-top: 8px;
  }

  .eyebrow {
    font-size: 10px;
    margin-bottom: 2px;
  }

  h1 {
    font-size: 20px;
  }

  h2 {
    font-size: 16px;
  }

  .tagline { margin-top: 4px; font-size: 12px; }
  .intro-copy { padding: 9px 10px; }
  .intro-copy span { font-size: 12px; }

  .workspace {
    gap: 8px;
  }

  .ad-slot {
    min-height: 72px;
    padding: 8px;
  }

  .panel {
    padding: 10px;
    box-shadow: 0 6px 18px rgba(26, 31, 36, 0.06);
  }

  .panel-title {
    gap: 8px;
    margin-bottom: 8px;
  }

  .panel-title.compact {
    margin-bottom: 8px;
  }

  label {
    gap: 4px;
    font-size: 12px;
  }

  input,
  textarea {
    min-height: 40px;
    padding: 8px 10px;
  }

  textarea {
    min-height: 64px;
  }

  .wide-field {
    margin-top: 8px;
  }

  .photo-title {
    align-items: stretch;
    flex-direction: column;
    gap: 8px;
  }

  .photo-heading {
    justify-content: space-between;
    min-height: 34px;
  }

  .photo-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }

  .form-grid {
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }

  .form-grid label:first-child {
    grid-column: 1 / -1;
  }

  .photo-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .ghost-button,
  .primary-button,
  .excel-button,
  .secondary-button,
  .danger-button,
  .photo-action-button {
    min-height: 40px;
    padding: 0 10px;
    font-size: 14px;
  }

  .count-badge {
    min-width: 46px;
    padding: 4px 8px;
    font-size: 12px;
  }

  .empty-state {
    min-height: 104px;
    gap: 5px;
    padding: 14px 12px;
  }

  .empty-state strong {
    font-size: 15px;
  }

  .empty-state span {
    font-size: 12px;
    line-height: 1.45;
  }

  .photo-card-header {
    gap: 8px;
    padding: 7px 8px;
  }

  .photo-number {
    width: 26px;
    height: 26px;
    font-size: 13px;
  }

  .card-tools {
    gap: 4px;
  }

  .icon-button {
    width: 34px;
    min-width: 34px;
    min-height: 34px;
    font-size: 14px;
  }

  .card-file-picker {
    min-height: 38px;
    margin: 8px;
    padding: 0 10px;
    font-size: 13px;
  }

  .file-input {
    min-height: 38px;
    padding: 8px;
  }

  .card-file-picker .file-input {
    min-height: 38px;
    padding: 0;
  }

  .photo-frame {
    aspect-ratio: 16 / 10;
  }

  .comment-area {
    padding: 8px;
  }

  .comment-area textarea {
    min-height: 70px;
  }

  .comment-editor-panel {
    padding: 10px 10px max(10px, env(safe-area-inset-bottom));
  }

  .comment-editor-header {
    margin-bottom: 8px;
  }

  .comment-editor-image {
    max-height: 150px;
  }

  .comment-editor-body {
    gap: 8px;
  }

  .comment-editor-body textarea {
    min-height: 96px;
  }

  .comment-editor-actions {
    grid-template-columns: 1fr 1.25fr;
    gap: 8px;
    margin-top: 8px;
  }

  .download-box,
  .download-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .output-actions {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 8px;
  }

  .primary-button,
  .excel-button,
  .danger-button,
  .secondary-button,
  .ghost-button,
  .photo-action-button,
  .file-picker {
    width: 100%;
  }

  .output-panel {
    position: static;
    padding: 10px;
  }

  .info-grid,
  .guide-grid {
    grid-template-columns: 1fr;
  }

  .status-line {
    min-height: 18px;
    margin-top: 6px;
    font-size: 12px;
  }

  .download-box {
    gap: 8px;
    margin-top: 8px;
    padding: 10px;
  }
}