:root {
  --cream: #FBF7F4;
  --paper: #FFFFFF;
  --pink: #E8B4B8;
  --pink-deep: #C97F86;
  --brown: #5B4A45;
  --brown-soft: #8C7A74;
  --border: #EFE3DF;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 4px 18px rgba(91, 74, 69, 0.08);
}
* { box-sizing: border-box; }
body { margin: 0; font-family: 'Zen Maru Gothic', 'Hiragino Maru Gothic Pro', sans-serif; background: var(--cream); color: var(--brown); }

/* ---------- ヘッダー ---------- */
.app-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 20px; background: var(--paper); border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 20;
}
.app-header__brand { display: flex; flex-direction: column; line-height: 1.3; text-decoration: none; }
.app-header__title { font-weight: 700; font-size: 16px; color: var(--brown); }
.app-header__sub { font-size: 11px; color: var(--brown-soft); letter-spacing: 0.04em; }

/* ---------- レイアウト ---------- */
.layout { display: grid; grid-template-columns: 1.3fr 380px; gap: 24px; padding: 24px; max-width: 1400px; margin: 0 auto; align-items: start; }
@media (max-width: 920px) { .layout { grid-template-columns: 1fr; padding: 14px; gap: 16px; } }

/* ---------- プレビュー ---------- */
.preview-pane { display: flex; flex-direction: column; align-items: center; gap: 12px; position: sticky; top: 85px; }
@media (max-width: 920px) { .preview-pane { position: static; } }
.preview-pane__canvas-wrap {
  position: relative; width: 100%;
  background: repeating-conic-gradient(#f1ece8 0% 25%, #f8f4f1 0% 50%) 0 0/24px 24px;
  border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden;
  display: flex; align-items: center; justify-content: center;
}
.preview-pane__canvas-wrap.is-fit { width: auto; max-width: 100%; }
.preview-pane__canvas-wrap.is-fit #mainCanvas { width: auto; height: min(66vh, 760px); max-width: 100%; }
#mainCanvas { width: 100%; height: auto; display: block; touch-action: none; cursor: grab; }
#mainCanvas.dragging { cursor: grabbing; }
.preview-pane__actions { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; }
.preview-pane__actions .btn.is-active { background: var(--pink-deep); color: #fff; border-color: var(--pink-deep); }

.mobile-mini-preview { display: none; }
@media (max-width: 920px) {
  .mobile-mini-preview {
    position: fixed; top: 8px; right: 8px; z-index: 30;
    display: flex; align-items: center; gap: 8px;
    background: rgba(255,255,255,0.96); border: 1px solid var(--border); border-radius: 999px;
    padding: 4px 12px 4px 4px; box-shadow: var(--shadow);
    font-size: 11px; color: var(--brown); font-family: inherit; cursor: pointer;
  }
  .mobile-mini-preview[hidden] { display: none; }
  .mobile-mini-preview canvas {
    width: 40px; height: 40px; border-radius: 50%; object-fit: cover;
    background: repeating-conic-gradient(#f1ece8 0% 25%, #f8f4f1 0% 50%) 0 0/10px 10px;
  }
}
.preview-pane__hint {
  position: absolute; bottom: 10px; left: 50%; transform: translateX(-50%);
  background: rgba(91, 74, 69, 0.72); color: #fff; font-size: 11px;
  padding: 6px 12px; border-radius: 999px; pointer-events: none; transition: opacity 0.3s;
}
.btn--zoom-view { margin-top: 4px; }

/* ---------- コントロールパネル ---------- */
.control-pane { display: flex; flex-direction: column; gap: 16px; }
.panel { background: var(--paper); border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow); }
.panel__title { margin: 0 0 12px; font-size: 14px; font-weight: 700; color: var(--pink-deep); }
.panel__note { margin: 10px 0 0; font-size: 11.5px; color: var(--brown-soft); line-height: 1.5; }

/* スウォッチ（背景選択） */
.swatch-row { display: flex; gap: 10px; flex-wrap: wrap; }
.swatch {
  width: 64px; height: 64px; border-radius: var(--radius-sm); border: 2px solid transparent;
  background-size: cover; background-position: center; cursor: pointer; position: relative; flex-shrink: 0;
}
.swatch.is-selected { border-color: var(--pink-deep); box-shadow: 0 0 0 3px rgba(201,127,134,0.18); }
.swatch--motif { background-color: #FBF7F4; background-size: 70%; background-repeat: no-repeat; background-position: center; }

/* 飾り素材のカテゴリタブ */
.motif-tabs { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 10px; }
.motif-tab {
  border: 1px solid var(--border); background: var(--cream); color: var(--brown-soft);
  font-size: 11.5px; font-weight: 700; padding: 6px 12px; border-radius: 999px;
  cursor: pointer; transition: background 0.15s, color 0.15s, border-color 0.15s;
}
.motif-tab:hover { background: #FDF1F2; }
.motif-tab.is-active { background: var(--pink-deep); border-color: var(--pink-deep); color: #fff; }

.icon-color-row { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.icon-color-row input[type="color"] { width: 40px; height: 32px; border: 1px solid var(--border); border-radius: 8px; cursor: pointer; background: none; padding: 2px; }

/* プリセット定型文ボタン */
.preset-text-row { display: flex; gap: 8px; flex-wrap: wrap; }
.preset-text-btn {
  border: 1px solid var(--border); background: var(--cream); color: var(--brown);
  font-size: 15px; padding: 8px 14px; border-radius: var(--radius-sm); cursor: pointer;
  white-space: pre-line; line-height: 1.2; transition: background 0.15s, border-color 0.15s;
}
.preset-text-btn:hover { background: #FDF1F2; border-color: var(--pink); }

/* アップロード */
.upload-area {
  display: flex; align-items: center; justify-content: center; height: 64px;
  border: 1.5px dashed var(--pink); border-radius: var(--radius-sm);
  color: var(--pink-deep); font-size: 13px; font-weight: 700; cursor: pointer; transition: background 0.15s;
}
.upload-area:hover { background: #FDF1F2; }
.upload-area--small { height: 44px; font-size: 12px; margin-top: 10px; }

.checkbox-row { display: flex; align-items: center; gap: 8px; font-size: 13px; margin-top: 12px; color: var(--brown); cursor: pointer; }
.checkbox-row input { width: 16px; height: 16px; accent-color: var(--pink-deep); }

.text-input, .select-input {
  width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: var(--radius-sm);
  font-size: 14px; background: var(--cream); color: var(--brown); font-family: inherit;
}
textarea.text-input { resize: vertical; line-height: 1.4; min-height: 40px; }
.text-input:focus, .select-input:focus { outline: 2px solid var(--pink); outline-offset: 1px; }
.field-row { margin-top: 10px; }
.field-label { display: block; font-size: 11.5px; color: var(--brown-soft); margin-bottom: 6px; }

input[type="range"] { width: 100%; accent-color: var(--pink-deep); }
input[type="color"] { width: 48px; height: 38px; border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 2px; cursor: pointer; }
input[type="number"] { width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: var(--radius-sm); font-size: 14px; background: var(--cream); color: var(--brown); font-family: inherit; }

/* サイズ選択 */
.size-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-bottom: 14px; }
.size-option {
  border: 1.5px solid var(--border); border-radius: var(--radius-sm); padding: 10px; text-align: left;
  background: var(--cream); cursor: pointer; font-family: inherit;
}
.size-option strong { display: block; font-size: 13px; color: var(--brown); }
.size-option span { display: block; font-size: 11px; color: var(--brown-soft); margin-top: 2px; }
.size-option.is-selected { border-color: var(--pink-deep); background: #FDF1F2; }

/* ボタン */
.btn { border: none; border-radius: 999px; padding: 10px 18px; font-size: 13px; font-weight: 700; cursor: pointer; font-family: inherit; transition: transform 0.1s, opacity 0.15s; }
.btn:active { transform: scale(0.97); }
.btn--primary { background: var(--pink-deep); color: #fff; width: 100%; }
.btn--primary:hover { opacity: 0.92; }
.btn--export { padding: 13px 18px; font-size: 14px; }
.btn--ghost { background: transparent; color: var(--brown-soft); border: 1px solid var(--border); }
.btn--danger { background: #fff; color: #C0392B; border: 1.5px solid #E8A39A; }
.btn--support { display: inline-block; margin-top: 0; background: #fff; color: var(--pink-deep); border: 1.5px solid var(--pink); text-decoration: none; text-align: center; flex: 1; }

/* 応援バナー */
.support-banner { background: #FDF1F2; border-radius: var(--radius); padding: 16px 18px; font-size: 12px; line-height: 1.6; color: var(--brown); }
.support-banner__actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 10px; }

/* 足形リスト */
.footprint-list { display: flex; flex-direction: column; gap: 8px; margin-bottom: 12px; }
.footprint-item {
  display: flex; flex-direction: column; gap: 6px; padding: 8px 10px;
  border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--cream); cursor: pointer;
}
.footprint-item__row { display: flex; align-items: center; gap: 10px; }
.footprint-item__sizerow { display: flex; align-items: center; gap: 8px; padding-left: 50px; cursor: default; }
.footprint-item__sizerow label { font-size: 11px; color: var(--brown-soft); flex-shrink: 0; }
.footprint-item__sizerow input[type="range"] { flex: 1; accent-color: var(--pink-deep); }
.footprint-item__sizerow output { font-size: 11px; color: var(--brown-soft); width: 38px; text-align: right; flex-shrink: 0; }
.footprint-item:hover { background: #FDF1F2; }
.footprint-item__thumb {
  width: 40px; height: 40px; border-radius: 8px; background-size: cover; background-position: center;
  background-color: #fff; flex-shrink: 0;
  background-image: repeating-conic-gradient(#f1ece8 0% 25%, #f8f4f1 0% 50%) , var(--thumb-url);
  background-size: 10px 10px, cover;
}
.footprint-item__label { font-size: 12.5px; flex: 1; }
.footprint-item__type { font-size: 10.5px; color: var(--pink-deep); font-weight: 700; }

/* 自由テキストリスト */
.text-item-list { display: flex; flex-direction: column; gap: 10px; margin-bottom: 12px; }
.text-item { border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 10px; background: var(--cream); }
.text-item__row { display: flex; gap: 6px; margin-top: 6px; align-items: center; }
.text-item__row .select-input { flex: 1.4; font-size: 12px; }
.text-item__row input[type="color"] { flex-shrink: 0; }
.text-item__del { flex-shrink: 0; padding: 6px 10px; font-size: 11px; }

/* 種類切り替え（トグル） */
.toggle-row { display: flex; gap: 8px; }
.toggle-btn {
  flex: 1; padding: 10px; border: 1.5px solid var(--border); border-radius: var(--radius-sm);
  background: var(--cream); color: var(--brown-soft); font-family: inherit; font-size: 13px; font-weight: 700; cursor: pointer;
}
.toggle-btn.is-selected { background: var(--pink-deep); color: #fff; border-color: var(--pink-deep); }

/* ---------- モーダル ---------- */
.modal { position: fixed; inset: 0; background: rgba(91,74,69,0.45); display: flex; align-items: center; justify-content: center; z-index: 50; padding: 20px; overflow-y: auto; }
.modal[hidden] { display: none; }
.modal__card { background: #fff; border-radius: var(--radius); padding: 24px; max-width: 420px; box-shadow: var(--shadow); margin: auto; }
.modal__card--wide { max-width: 920px; width: 100%; }
.modal__card h3 { margin-top: 0; color: var(--pink-deep); }
.modal__card p { font-size: 13px; line-height: 1.7; color: var(--brown); }
.modal__actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 18px; flex-wrap: wrap; }
.modal__actions .btn--primary, .modal__actions .btn--danger, .modal__actions .btn--ghost { width: auto; }

/* エディタモーダル内部 */
.editor-row { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 14px; }
.editor-canvas-box { flex: 1; min-width: 240px; background: var(--cream); border-radius: var(--radius-sm); padding: 10px; }
.canvas-label { font-size: 11.5px; color: var(--brown-soft); margin: 0 0 6px; }
.canvas-status { font-size: 11.5px; color: var(--pink-deep); font-weight: 700; margin: 6px 0 0; min-height: 14px; }
#editorSourceCanvas, #editorResultCanvas {
  width: 100%; height: auto; display: block; border-radius: 8px; touch-action: none;
  background: repeating-conic-gradient(#f1ece8 0% 25%, #f8f4f1 0% 50%) 0 0/16px 16px;
}
.editor-controls { display: flex; gap: 20px; margin-top: 16px; flex-wrap: wrap; }
.editor-controls__col { flex: 1; min-width: 220px; }
.ink-palette { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 8px; }
.ink-swatch {
  width: 26px; height: 26px; border-radius: 50%; border: 2px solid #fff;
  box-shadow: 0 0 0 1px var(--border); cursor: pointer; padding: 0; flex-shrink: 0;
  transition: transform 0.1s;
}
.ink-swatch:hover { transform: scale(1.15); }

/* 拡大表示モーダル */
.modal--zoom { background: #1a1512; flex-direction: column; padding: 0; }
.zoom-modal__bar { position: sticky; top: 0; z-index: 5; background: rgba(255,255,255,0.96); padding: 10px 16px; display: flex; flex-direction: column; gap: 8px; }
.zoom-modal__notice { margin: 0; font-size: 11.5px; color: var(--pink-deep); font-weight: 700; }
.zoom-modal__slider-row { display: flex; align-items: center; gap: 10px; font-size: 16px; }
.zoom-modal__slider-row input { flex: 1; accent-color: var(--pink-deep); }
.zoom-modal__close { position: fixed; top: 70px; right: 14px; border: none; background: rgba(255,255,255,0.95); color: var(--brown); border-radius: 999px; padding: 8px 16px; font-size: 13px; font-weight: 700; z-index: 6; }
.zoom-modal__scroll { width: 100%; flex: 1; overflow: auto; touch-action: pinch-zoom pan-x pan-y; }
.zoom-modal__scroll img { display: block; max-width: none; cursor: grab; }
.zoom-modal__scroll.is-panning img { cursor: grabbing; }

/* 途中保存バナー */
.draft-banner { background: #FFF4D6; color: #6B5A2A; font-size: 13px; padding: 10px 20px; display: flex; align-items: center; justify-content: center; gap: 14px; flex-wrap: wrap; text-align: center; }
.draft-banner[hidden] { display: none; } /* [hidden]属性より.draft-bannerのdisplay:flexの方が後勝ちしてしまい、保存データが無い時もバナーが表示され続けるバグの修正 */
.draft-banner__reset { border: 1px solid #6B5A2A; background: transparent; color: #6B5A2A; border-radius: 999px; padding: 4px 12px; font-size: 12px; cursor: pointer; font-family: inherit; }
.link-btn {
  border: none; background: none; color: var(--pink-deep); font-size: inherit; font-family: inherit;
  text-decoration: underline; cursor: pointer; padding: 0; margin-left: 2px;
}