#main-content:has([data-zip-app]) {
  background:
    linear-gradient(180deg, rgb(30 58 95 / 0.06), transparent 220px),
    #e7eef3;
}

.zipk-app {
  --ink: #1f2937;
  --muted: #4b5563;
  --line: #d6dee8;
  --card: #fff;
  --blue: #1e3a5f;
  --focus: #0f172a;
  box-sizing: border-box;
  max-width: 1120px;
  margin: 0 auto;
  padding: 1.25rem 1rem 2.5rem;
  color: var(--ink);
  font-family: 'Noto Sans JP', 'Segoe UI', sans-serif;
  line-height: 1.65;
  min-width: 0;
}

.zipk-app *,
.zipk-app *::before,
.zipk-app *::after { box-sizing: border-box; }

.zipk-app :focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

.zipk-sr {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.zipk-help { margin: 0 0 0.75rem; text-align: right; }
.zipk-help a { color: #1d4ed8; font-weight: 700; }

.zipk-hero h1 {
  margin: 0;
  color: var(--blue);
  font-size: clamp(1.55rem, 2.4vw, 2.05rem);
  line-height: 1.3;
}

.zipk-lead { margin: 0.4rem 0 0; color: var(--muted); }

.zipk-privacy {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  margin: 1rem 0 0;
  padding: 0.85rem 1rem;
  border-radius: 12px;
  background: #eff6ff;
  color: #1e3a8a;
  font-weight: 700;
}

.zipk-privacy svg { flex: 0 0 auto; margin-top: 0.15rem; }

.zipk-card {
  margin-top: 1rem;
  padding: 1rem;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: 0 8px 24px rgb(15 23 42 / 0.05);
}

.zipk-kicker {
  margin: 0 0 0.35rem;
  color: #1d4ed8;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.zipk-card h2,
.zipk-built h3,
.zipk-ba h3,
.zipk-group h4 {
  margin: 0 0 0.45rem;
  line-height: 1.4;
}

.zipk-virus,
.zipk-note,
.zipk-group p,
.zipk-group__count {
  margin: 0.35rem 0 0;
  color: var(--muted);
}

.zipk-drop {
  border: 2px dashed #7c93b0;
  border-radius: 14px;
  padding: 1.4rem 1rem;
  text-align: center;
  background: #f4f8fb;
  cursor: pointer;
}

.zipk-drop.is-over { border-color: #1d4ed8; background: #eff6ff; }
.zipk-drop strong { display: block; font-size: 1.15rem; }
.zipk-drop p { margin: 0.35rem 0 0; color: var(--muted); }

.zipk-actions, .zipk-page {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-items: center;
  margin-top: 0.85rem;
}

.zipk-btn {
  min-height: 44px;
  padding: 0.45rem 0.9rem;
  border: 1px solid transparent;
  border-radius: 999px;
  background: var(--blue);
  color: #fff;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.zipk-btn--ghost {
  background: #fff;
  color: var(--blue);
  border-color: #b7c6d6;
}

.zipk-btn:disabled { opacity: 0.45; cursor: default; }

.zipk-progress { margin-top: 0.9rem; }
.zipk-progress progress { width: min(100%, 28rem); height: 0.7rem; }

.zipk-error {
  margin-top: 0.8rem;
  padding: 0.75rem 0.9rem;
  border-radius: 12px;
  background: #fee2e2;
  color: #7f1d1d;
  font-weight: 700;
}

.zipk-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(8.5rem, 1fr));
  gap: 0.6rem;
  margin: 0.9rem 0 0;
  padding: 0;
  list-style: none;
}

.zipk-stat {
  padding: 0.7rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #f8fafc;
}

.zipk-stat__label { display: block; color: var(--muted); font-size: 0.78rem; }
.zipk-stat__value { display: block; font-size: 1.05rem; }

.zipk-bucket { margin-top: 0.9rem; }
.zipk-bucket__title { margin: 0 0 0.45rem; font-size: 1rem; }
.zipk-bucket--critical .zipk-bucket__title { color: #7f1d1d; }
.zipk-bucket--review .zipk-bucket__title { color: #92400e; }
.zipk-bucket--junk .zipk-bucket__title { color: #92400e; }
.zipk-bucket--compat .zipk-bucket__title { color: #1e3a8a; }
.zipk-bucket--info .zipk-bucket__title { color: #334155; }

.zipk-group {
  margin-top: 0.55rem;
  padding: 0.8rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
}

.zipk-bucket--critical .zipk-group { background: #fff7f7; border-color: #fecaca; }
.zipk-bucket--review .zipk-group,
.zipk-bucket--junk .zipk-group { background: #fffbeb; border-color: #fde68a; }
.zipk-bucket--compat .zipk-group { background: #f8fbff; border-color: #bfdbfe; }

.zipk-scan, .zipk-save-name, .zipk-search {
  display: flex;
  gap: 0.45rem;
  align-items: center;
  margin-top: 0.85rem;
  font-weight: 700;
}

.zipk-save-name, .zipk-search { align-items: stretch; flex-direction: column; }

.zipk-save-name input, .zipk-search input {
  min-height: 44px;
  width: min(100%, 28rem);
  padding: 0.4rem 0.7rem;
  border: 1px solid #b7c6d6;
  border-radius: 10px;
  font: inherit;
}

.zipk-filters { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 0.75rem; }

.zipk-filter {
  min-height: 40px;
  padding: 0.25rem 0.75rem;
  border: 1px solid #b7c6d6;
  border-radius: 999px;
  background: #fff;
  color: var(--blue);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.zipk-filter.is-on { background: var(--blue); color: #fff; border-color: var(--blue); }

.zipk-list {
  max-width: 100%;
  margin-top: 0.8rem;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 12px;
}

.zipk-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.15rem 0.7rem;
  padding: 0.7rem 0.75rem;
  border-top: 1px solid #e5edf4;
}

.zipk-row:first-child { border-top: 0; }

.zipk-check { display: flex; align-items: flex-start; padding-top: 0.2rem; }
.zipk-check input { width: 1.15rem; height: 1.15rem; }

.zipk-name {
  margin: 0;
  overflow-wrap: anywhere;
  font-weight: 700;
}

.zipk-meta, .zipk-badges { grid-column: 2; margin: 0; color: var(--muted); font-size: 0.86rem; }
.zipk-badges { display: flex; flex-wrap: wrap; gap: 0.3rem; }

.zipk-badge {
  padding: 0.05rem 0.45rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 800;
}

.zipk-badge--critical { background: #fee2e2; color: #7f1d1d; }
.zipk-badge--review, .zipk-badge--junk { background: #fef3c7; color: #92400e; }
.zipk-badge--compat { background: #dbeafe; color: #1e3a8a; }
.zipk-badge--info, .zipk-badge--none { background: #f1f5f9; color: #334155; }

.zipk-ba {
  display: grid;
  gap: 0.6rem;
}

.zipk-ba__card {
  padding: 0.8rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #f8fafc;
}

.zipk-ba__card p { margin: 0.15rem 0 0; }
.zipk-ba__card--after { background: #ecfdf5; border-color: #a7f3d0; }
.zipk-ba__arrow { margin: 0; text-align: center; font-weight: 800; color: #0f766e; }

.zipk-excluded {
  margin: 0.5rem 0 0;
  padding-left: 1.1rem;
  overflow-wrap: anywhere;
}

.zipk-built {
  margin-top: 0.9rem;
  padding: 0.85rem;
  border-radius: 12px;
  background: #ecfdf5;
  border: 1px solid #a7f3d0;
}

.zipk-built-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.65rem 0.8rem;
  margin-top: 0.55rem;
}

.zipk-built-actions .zipk-btn { flex: 0 0 auto; }
  flex: 1 1 14rem;
  min-width: 0;
  max-width: 100%;
  overflow-wrap: anywhere;
  color: #14532d;
  font-weight: 800;
  line-height: 1.45;
}

.zipk-page__label { font-weight: 700; }

.zipk-sample-note {
  margin: 0.35rem 0 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.zipk-steps {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.9rem;
  margin: 0.15rem 0 0.9rem;
  padding: 0;
  list-style: none;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
}

.zipk-steps li {
  padding: 0.18rem 0.55rem;
  border-radius: 999px;
}
.zipk-steps .is-done { color: #047857; }
.zipk-steps .is-now { color: #1e3a8a; background: #dbeafe; }

.zipk-intro {
  margin: 0.4rem 0 0.6rem;
  padding: 0.75rem 0.9rem;
  border-radius: 12px;
  background: #f8fafc;
  white-space: pre-line;
}

.zipk-counts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(9rem, 1fr));
  gap: 0.6rem;
  margin: 0.8rem 0 0;
  padding: 0;
  list-style: none;
}

.zipk-count {
  padding: 0.75rem 0.8rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
}

.zipk-count__label { display: block; font-size: 0.78rem; font-weight: 800; }
.zipk-count__value { display: block; font-size: 1.35rem; }
.zipk-count--suggest .zipk-count__label { color: #92400e; }
.zipk-count--check .zipk-count__label { color: #7f1d1d; }
.zipk-count--compat .zipk-count__label { color: #1e3a8a; }

.zipk-extra { margin-top: 1rem; }
.zipk-extra h3 { margin: 0 0 0.35rem; font-size: 1rem; }

.zipk-bucket__lead { margin: 0; color: var(--muted); }

.zipk-group__names {
  margin: 0.35rem 0 0;
  padding-left: 1.1rem;
  overflow-wrap: anywhere;
}

.zipk-remove {
  display: flex;
  gap: 0.45rem;
  align-items: center;
  margin-top: 0.55rem;
  font-weight: 800;
  cursor: pointer;
}

.zipk-why { margin-top: 0.45rem; }
.zipk-why summary {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: #1d4ed8;
  font-weight: 800;
  cursor: pointer;
}

.zipk-advice { margin-top: 0.35rem; }
.zipk-advice__title { margin: 0.4rem 0 0.2rem; font-size: 0.95rem; }
.zipk-advice__label { margin: 0.45rem 0 0; font-size: 0.78rem; font-weight: 800; color: var(--blue); }
.zipk-advice__text { margin: 0.1rem 0 0; }
.zipk-advice__steps { margin: 0.2rem 0 0; padding-left: 1.15rem; }

.zipk-notes { margin-top: 1rem; }
.zipk-notes h3 { margin: 0 0 0.35rem; color: #334155; font-size: 1rem; }
.zipk-group--info { background: #f8fafc; }

.zipk-keep {
  margin: 0.8rem 0 0;
  font-weight: 800;
}

.zipk-save-card .zipk-btn:not(.zipk-btn--ghost) { margin-top: 0.2rem; }

.zipk-badge--suggest { background: #fef3c7; color: #92400e; }
.zipk-badge--check { background: #fee2e2; color: #7f1d1d; }
.zipk-bucket--suggest .zipk-bucket__title { color: #92400e; }
.zipk-bucket--check .zipk-bucket__title { color: #7f1d1d; }
.zipk-bucket--compat .zipk-bucket__title { color: #1e3a8a; }
.zipk-bucket--suggest .zipk-group,
.zipk-group--junk { background: #fffbeb; border-color: #fde68a; }
.zipk-bucket--check .zipk-group,
.zipk-group--review,
.zipk-group--critical { background: #fff7f7; border-color: #fecaca; }
.zipk-bucket--compat .zipk-group { background: #f8fbff; border-color: #bfdbfe; }

@media (hover: hover) {
  .zipk-btn:hover { filter: brightness(1.08); }
  .zipk-btn--ghost:hover { background: #f8fafc; }
  .zipk-drop:hover { border-color: #1d4ed8; }
  .zipk-filter:hover { border-color: #1d4ed8; }
  .zipk-help a:hover { text-decoration: underline; }
  .zipk-fallback:hover { text-decoration: underline; }
  .zipk-why summary:hover { text-decoration: underline; }
}

@media (min-width: 800px) {
  .zipk-row { grid-template-columns: auto minmax(12rem, 1.4fr) 9rem minmax(8rem, 1fr); align-items: center; }
  .zipk-meta, .zipk-badges { grid-column: auto; }
  .zipk-why--row { grid-column: 2 / -1; }
  .zipk-ba { grid-template-columns: 1fr auto 1fr; align-items: center; }
}

@media (max-width: 640px) {
  .zipk-actions .zipk-btn { width: 100%; }
}