/* ワンタイム切り絵 */
:root {
  --kr: #b4382f;        /* 朱 */
  --kr-dark: #8e2a23;
  --ink: #222224;
  --paper: #fbf8f2;
  --line: #e4ddd1;
  --muted: #6b6560;
}
* { box-sizing: border-box; }
html, body { overflow-x: hidden; }
body { background: var(--paper); color: var(--ink); font-family: system-ui, -apple-system, "Hiragino Sans", "Noto Sans JP", sans-serif; }
main { max-width: 1100px; margin: 0 auto; padding: 12px 12px 24px; }
[hidden] { display: none !important; }

.kr-top { display: flex; align-items: center; gap: 8px; padding: 8px 12px; background: #fff; border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 20; }
.kr-top h1 { font-size: 1.05rem; margin: 0; min-width: 0; }
.kr-top h1 a { display: flex; align-items: center; gap: 8px; min-width: 0; color: inherit; text-decoration: none; font-weight: 700; }
.kr-top .logo { width: 28px; height: 28px; flex: none; }
.kr-nav { margin-left: auto; display: flex; gap: 4px; }
.kr-navlink { color: var(--ink); text-decoration: none; font-size: .85rem; padding: 6px 8px; border-radius: 6px; white-space: nowrap; }
.kr-navlink:hover { background: #f3eee6; }
@media (max-width: 420px) { .kr-navlink span { display: none; } }

.kr-primary { background: var(--kr); color: #fff; border-color: var(--kr); }
.kr-primary:hover, .kr-primary:focus { background: var(--kr-dark); color: #fff; border-color: var(--kr-dark); }
.kr-note { font-size: .82rem; color: var(--muted); }

/* ランディング */
#vLanding { max-width: 640px; margin: 0 auto; }
.kr-card { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 18px; margin-bottom: 14px; }
.kr-card h2 { font-size: 1.1rem; font-weight: 700; margin-bottom: 10px; }
.kr-hero h2 { font-size: 1.45rem; line-height: 1.45; }
.lp-sample { display: flex; align-items: center; justify-content: center; gap: 10px; }
.lp-sample figure { margin: 0; text-align: center; flex: 1; max-width: 200px; }
.lp-sample svg { width: 100%; height: auto; border: 1px solid var(--line); border-radius: 8px; }
.lp-sample figcaption { font-size: .8rem; margin-top: 4px; line-height: 1.4; }
.lp-arrow { color: var(--kr); font-size: 1.4rem; }
.dot { display: inline-block; width: .7em; height: .7em; border-radius: 50%; vertical-align: -1px; }
.dot.or { background: #e8892a; } .dot.rd { background: #d63a2f; }
.lp-feat { list-style: none; padding: 0; margin: 0; }
.lp-feat li { display: flex; gap: 12px; padding: 8px 0; border-top: 1px dashed var(--line); }
.lp-feat li:first-child { border-top: 0; }
.lp-feat i { color: var(--kr); width: 1.4em; text-align: center; margin-top: 3px; }
.lp-feat b { display: block; }
.warnbox { background: #fff7ef; border-color: #f0c9a4; }
.warnbox h2 { color: #a24a00; }
.warnbox ul { margin: 0; padding-left: 1.2em; }

/* 一覧 */
.kr-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 12px; }
.kr-grid-sm { grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); }
.kr-item { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 8px; display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.kr-item img, .kr-item .noimg { width: 100%; aspect-ratio: 1; object-fit: contain; background: #fff; border-radius: 6px; border: 1px solid #eee; cursor: pointer; }
.kr-item .nm { font-weight: 600; font-size: .9rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.kr-item .meta { font-size: .75rem; color: var(--muted); }
.kr-item .acts { display: flex; flex-wrap: wrap; gap: 4px; }
.kr-item .acts .btn { font-size: .75rem; padding: 2px 6px; }
.kr-item button.pick { border: 0; padding: 0; background: none; }
.kr-empty { color: var(--muted); font-size: .9rem; padding: 24px; text-align: center; background: #fff; border: 1px dashed var(--line); border-radius: 10px; grid-column: 1 / -1; }

/* 描く */
.kr-editbar { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; margin-bottom: 8px; }
.kr-name { border: 0; background: none; font-weight: 700; padding: 2px 4px; border-radius: 4px; max-width: 40vw; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.kr-name:hover { background: #f3eee6; }
.kr-saved { font-size: .75rem; color: var(--muted); }
.kr-workspace { display: flex; gap: 10px; align-items: flex-start; }
.kr-tools { display: flex; flex-direction: column; gap: 4px; flex: none; position: sticky; top: 60px; }
.kr-tools button { width: 58px; border: 1px solid var(--line); background: #fff; border-radius: 8px; padding: 6px 2px; display: flex; flex-direction: column; align-items: center; gap: 2px; font-size: .7rem; color: var(--ink); }
.kr-tools button i { font-size: 1.05rem; }
.kr-tools button.active { background: var(--ink); color: #fff; border-color: var(--ink); }
.kr-main { flex: 1; min-width: 0; }
.kr-opts { display: flex; flex-wrap: wrap; gap: 8px 14px; align-items: center; min-height: 36px; margin-bottom: 6px; font-size: .85rem; }
.kr-opt { display: inline-flex; align-items: center; gap: 6px; }
.kr-opt input[type=range] { width: 130px; }
.kr-hint { color: var(--muted); font-size: .8rem; }
.kr-stamps { flex-wrap: wrap; gap: 4px; }
.kr-stamps button { width: 38px; height: 38px; border: 1px solid var(--line); background: #fff; border-radius: 6px; padding: 3px; }
.kr-stamps button.active { border-color: var(--kr); box-shadow: 0 0 0 2px var(--kr) inset; }
.kr-stamps canvas { width: 100%; height: 100%; display: block; }
.kr-stage { width: 100%; max-width: 720px; aspect-ratio: 1; overflow: auto; border: 1px solid var(--line); border-radius: 8px; background: #d9d3c8; position: relative; overscroll-behavior: contain; }
.kr-canvas-wrap { width: 100%; aspect-ratio: 1; }
#view { width: 100%; height: 100%; display: block; background: #fff; touch-action: none; cursor: crosshair; }
#view.tool-hand { cursor: grab; } #view.tool-select { cursor: default; }
.kr-under { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin: 8px 0; max-width: 720px; }
.kr-sel { max-width: 720px; background: #fff; border: 1px solid var(--kr); border-radius: 8px; padding: 8px 10px; margin-bottom: 8px; }
.kr-sel-row { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.kr-sel-range { display: flex; align-items: center; gap: 8px; font-size: .85rem; margin-top: 6px; }
.kr-sel-range input { flex: 1; min-width: 0; }
.kr-sel-range output { width: 3.5em; text-align: right; }
.kr-check { max-width: 720px; background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; }
.kr-check-row { font-size: .88rem; padding: 2px 0; }
.kr-check-row .ok { color: #1f7a3a; } .kr-check-row .ng-or { color: #b25d00; font-weight: 600; } .kr-check-row .ng-rd { color: #c22b20; font-weight: 600; }
.kr-check-acts { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; margin-top: 6px; }
.kr-txprev { border: 1px solid var(--line); border-radius: 6px; background: #fff; }
.kr-txprev canvas { width: 100%; height: auto; display: block; }

/* スマホ: 道具は上に横並び */
@media (max-width: 720px) {
  main { padding: 8px 8px 20px; }
  .kr-workspace { flex-direction: column; gap: 6px; }
  .kr-tools { flex-direction: row; position: static; overflow-x: auto; width: 100%; padding-bottom: 2px; }
  .kr-tools button { width: 52px; flex: none; }
  .kr-main { width: 100%; }
  .kr-opt input[type=range] { width: 110px; }
}

.kr-footer { text-align: center; font-size: .8rem; color: var(--muted); padding: 20px 12px 28px; border-top: 1px solid var(--line); background: #fff; }
.kr-footer a { color: var(--muted); }