:root {
  --bg: #efeff4;
  --surface: #ffffff;
  --surface-2: #efeff4;
  --border: #e1e1e8;
  --border-strong: #cdcdd6;
  --text: #1d1d22;
  --muted: #6e6e7a;
  --accent: #98c379;
  --accent-strong: #86b566;
  --accent-ink: #4b7a30;
  --accent-soft: #edf5e6;
  --accent-text: #1c2a12;
  --ok: #2f8a4c;
  --ok-soft: #e4f4e8;
  --warn: #a8640a;
  --warn-soft: #fdf2df;
  --danger: #c8344a;
  --danger-soft: #fde8ec;
  --shadow: 0 1px 2px rgba(29, 29, 34, .04), 0 4px 16px rgba(29, 29, 34, .05);
  --radius: 14px;
  --font: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic UI", "Segoe UI", sans-serif;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141416;
    --surface: #1c1c20;
    --surface-2: #26262b;
    --border: #2f2f36;
    --border-strong: #42424b;
    --text: #ececf1;
    --muted: #9d9daa;
    --accent: #98c379;
    --accent-strong: #aad38c;
    --accent-ink: #a8d18a;
    --accent-soft: #1f2b19;
    --accent-text: #142010;
    --ok: #6fd08f;
    --ok-soft: #15291c;
    --warn: #f0b45a;
    --warn-soft: #2a2111;
    --danger: #ff7b8f;
    --danger-soft: #2c1419;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 6px 20px rgba(0, 0, 0, .25);
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.7 var(--font);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
main { flex: 1; }
a { color: var(--accent-ink); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { line-height: 1.35; margin: 0; }
p { margin: 0 0 .75em; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.mono { font-family: var(--mono); font-size: .92em; }
.break { word-break: break-all; }
.offscreen { position: fixed; left: -9999px; }

.icon { fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; flex: none; vertical-align: -0.15em; }
.icon .fill { fill: currentColor; stroke: none; }
.icon .thin { stroke-width: 1.6; }

/* ---- レイアウト ---- */
.topbar {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: saturate(1.4) blur(12px);
  -webkit-backdrop-filter: saturate(1.4) blur(12px);
  border-bottom: 1px solid var(--border);
}
.topbar-inner { max-width: 1040px; margin: 0 auto; padding: 0 16px; height: 56px; display: flex; align-items: center; gap: 24px; }
.logo { display: flex; align-items: center; gap: 8px; font-weight: 800; font-size: 18px; letter-spacing: .02em; color: var(--text); }
.logo:hover { text-decoration: none; }
.logo svg { width: 24px; height: 24px; }
.logo .leaf { fill: var(--accent); }
.logo .stem { fill: none; stroke: var(--accent); stroke-width: 1.6; stroke-linecap: round; }
.nav { display: flex; gap: 4px; margin-left: auto; overflow-x: auto; }
.nav a { color: var(--muted); padding: 6px 12px; border-radius: 8px; font-size: 14px; white-space: nowrap; }
.nav a:hover { color: var(--text); background: var(--surface); text-decoration: none; }
.nav a.active { color: var(--text); background: var(--surface); font-weight: 600; box-shadow: 0 1px 2px rgba(0, 0, 0, .06); }

.page { max-width: 1040px; margin: 0 auto; padding: 28px 16px 64px; }
.page.narrow { max-width: 760px; }
.page-title { font-size: 26px; font-weight: 800; margin: 4px 0 8px; }
.back { display: inline-block; color: var(--muted); font-size: 14px; margin-bottom: 8px; }
.section { margin-top: 48px; }
.section-title { font-size: 18px; font-weight: 700; margin-bottom: 16px; }
.footer { border-top: 1px solid var(--border); padding: 20px 16px; text-align: center; font-size: 12px; color: var(--muted); display: grid; gap: 4px; }

.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow); margin-bottom: 16px; }
.card-title { font-size: 16px; font-weight: 700; margin-bottom: 12px; }
.sub-title { font-size: 14px; font-weight: 700; margin: 20px 0 8px; }
.empty { text-align: center; color: var(--muted); padding: 24px; }
.error-card { color: var(--danger); display: flex; gap: 8px; align-items: center; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* ---- ボタン ---- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  font: inherit; font-size: 14px; font-weight: 600; color: var(--text);
  background: var(--surface); border: 1px solid var(--border-strong); border-radius: 10px;
  padding: 8px 14px; cursor: pointer; white-space: nowrap; text-decoration: none;
  transition: background .15s, border-color .15s, transform .05s;
}
.btn:hover { background: var(--surface-2); text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .45; cursor: not-allowed; transform: none; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
.btn-primary:hover { background: var(--accent-strong); border-color: var(--accent-strong); }
.btn-ghost { background: transparent; border-color: transparent; color: var(--muted); }
.btn-ghost:hover { color: var(--text); }
.btn.danger:hover { color: var(--danger); background: var(--danger-soft); }
.btn-lg { padding: 12px 20px; font-size: 15px; border-radius: 12px; }
.btn-sm { padding: 5px 10px; font-size: 13px; border-radius: 8px; }
.btn-icon { padding: 7px; }
.file-btn input { display: none; }

/* ---- フォーム ---- */
input[type="text"], input[type="url"], input[type="number"], input[type="search"], input[type="datetime-local"], select, textarea {
  font: inherit; font-size: 14px; color: var(--text);
  background: var(--surface); border: 1px solid var(--border-strong); border-radius: 10px;
  padding: 9px 12px; width: 100%; min-width: 0;
}
textarea { resize: vertical; line-height: 1.6; }
textarea.mono { font-family: var(--mono); font-size: 13px; }
input:focus, select:focus, textarea:focus { outline: 2px solid color-mix(in srgb, var(--accent) 45%, transparent); outline-offset: 0; border-color: var(--accent); }
input:disabled, select:disabled, textarea:disabled { opacity: .6; }
input[type="checkbox"] { width: 17px; height: 17px; accent-color: var(--accent); margin: 0; cursor: pointer; }
.form { display: grid; gap: 18px; padding: 24px; }
.field { display: grid; gap: 6px; border: 0; padding: 0; margin: 0; min-width: 0; }
.field legend, .field-label { font-weight: 600; font-size: 14px; padding: 0; }
.field legend { margin-bottom: 8px; }
.field.compact { gap: 4px; }
.field.inline { display: flex; align-items: center; gap: 8px; }
.field.inline input { width: 80px; }
.hint { font-size: 12.5px; color: var(--muted); line-height: 1.6; }
.checks { display: flex; flex-wrap: wrap; gap: 8px; }
.check { display: flex; align-items: center; gap: 8px; padding: 8px 14px; border: 1px solid var(--border-strong); border-radius: 10px; cursor: pointer; }
.check:has(input:checked) { border-color: var(--accent); background: var(--accent-soft); }
.form-error { color: var(--danger); font-size: 14px; }
.form-error:empty { display: none; }
.form-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 12px; }
.inline-form { display: flex; gap: 8px; }

/* ---- ホーム ---- */
.hero { text-align: center; padding: 40px 0 8px; }
.hero-mark { display: inline-grid; place-items: center; width: 60px; height: 60px; border-radius: 18px; background: var(--accent); color: #fff; margin-bottom: 20px; box-shadow: 0 6px 20px color-mix(in srgb, var(--accent) 40%, transparent); }
.hero h1 { font-size: clamp(28px, 5vw, 42px); font-weight: 800; letter-spacing: -.01em; }
.lead { color: var(--muted); font-size: 16px; margin: 16px auto 28px; max-width: 640px; }
.hero-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

.campaign-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 12px; }
.campaign-card { display: grid; gap: 6px; padding: 16px 18px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); color: var(--text); box-shadow: var(--shadow); transition: border-color .15s, transform .15s; }
.campaign-card:hover { border-color: var(--accent); text-decoration: none; transform: translateY(-1px); }
.cc-top { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.cc-name { font-weight: 700; font-size: 16px; }
.cc-meta { color: var(--muted); font-size: 13px; }

/* しくみ: 縦のタイムライン。ノードの間を線でつなぐ */
.timeline { list-style: none; padding: 0; margin: 0; }
.tl-item { display: grid; grid-template-columns: 40px 1fr; gap: 16px; position: relative; padding-bottom: 16px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before { content: ""; position: absolute; left: 19px; top: 40px; bottom: 0; width: 2px; background: color-mix(in srgb, var(--accent) 45%, var(--border)); }
.tl-item:last-child::before { display: none; }
.tl-node { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; background: var(--accent-soft); border: 2px solid var(--accent); color: var(--accent-ink); position: relative; z-index: 1; }
.tl-item:last-child .tl-node { background: var(--accent); color: var(--accent-text); box-shadow: 0 0 0 5px var(--accent-soft); }
.tl-body { min-width: 0; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 18px; box-shadow: var(--shadow); }
.tl-when { display: inline-block; font-size: 12px; font-weight: 700; color: var(--accent-ink); background: var(--accent-soft); padding: 2px 10px; border-radius: 999px; }
.tl-title { display: block; font-size: 15.5px; margin-top: 6px; }
.tl-body p { color: var(--muted); margin: 4px 0 0; font-size: 14px; }

.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.feature { padding: 20px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }
.feature h3 { font-size: 15px; margin: 12px 0 6px; }
.feature p { color: var(--muted); font-size: 13.5px; margin: 0; }
.feature-icon { display: inline-grid; place-items: center; width: 36px; height: 36px; border-radius: 10px; background: var(--accent-soft); color: var(--accent-ink); }

/* ---- バッジ・注記 ---- */
.badge { display: inline-flex; align-items: center; gap: 4px; font-size: 11.5px; font-weight: 600; padding: 2px 8px; border-radius: 999px; background: var(--surface-2); color: var(--muted); white-space: nowrap; line-height: 1.6; }
.badge.draft { background: var(--surface-2); color: var(--muted); }
.badge.collecting, .badge.req { background: var(--accent-soft); color: var(--accent-ink); }
.badge.finalized, .badge.warn { background: var(--warn-soft); color: var(--warn); }
.badge.drawn, .badge.ok { background: var(--ok-soft); color: var(--ok); }
.badge.danger { background: var(--danger-soft); color: var(--danger); }
.badge.opt { background: transparent; border: 1px solid var(--border); }

.note { display: flex; gap: 10px; padding: 12px 14px; border-radius: 12px; font-size: 13.5px; margin: 12px 0; background: var(--surface-2); color: var(--text); }
.note > .icon { margin-top: 3px; color: var(--accent-ink); }
.note-warn { background: var(--warn-soft); }
.note-warn > .icon { color: var(--warn); }
.note-secure { background: var(--accent-soft); }

.kv { display: grid; grid-template-columns: max-content 1fr; gap: 6px 20px; margin: 16px 0 0; font-size: 14px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; min-width: 0; }

.disclosure { margin: 12px 0; }
.disclosure > summary { cursor: pointer; color: var(--muted); font-size: 13.5px; font-weight: 600; }
.disclosure > summary:hover { color: var(--text); }
.disclosure[open] > summary { margin-bottom: 10px; }
.disclosure > .card { margin-top: 8px; }
pre.code { background: var(--surface-2); border-radius: 10px; padding: 12px 14px; overflow-x: auto; font-size: 12.5px; line-height: 1.7; margin: 8px 0 0; white-space: pre; }

/* ---- コピー ---- */
.copy-block { margin: 10px 0; }
.copy-label { font-size: 12.5px; font-weight: 600; color: var(--muted); margin-bottom: 6px; }
.copy-row { display: flex; gap: 8px; align-items: stretch; }
.copy-text { flex: 1; min-width: 0; background: var(--surface-2); border: 1px solid var(--border); border-radius: 10px; padding: 9px 12px; word-break: break-all; font-size: 13px; }
textarea.copy-text { resize: none; }
code.copy-text { display: block; }

/* ---- キャンペーン ---- */
.campaign-head { margin-bottom: 28px; }
.ch-row { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; flex-wrap: wrap; }
.ch-badges { display: flex; gap: 6px; }
.ch-actions { display: flex; gap: 8px; }
.campaign-head .kv { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 18px; grid-template-columns: max-content 1fr max-content 1fr; }

.step { display: grid; grid-template-columns: 40px 1fr; gap: 16px; position: relative; padding-bottom: 28px; }
.step::before { content: ""; position: absolute; left: 19px; top: 40px; bottom: 0; width: 2px; background: var(--border); }
.step:last-child::before { display: none; }
.step-rail { padding-top: 2px; }
.step-num { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; font-weight: 800; background: var(--surface); border: 2px solid var(--border-strong); color: var(--muted); position: relative; z-index: 1; }
.step-active .step-num { background: var(--accent); border-color: var(--accent); color: var(--accent-text); box-shadow: 0 0 0 5px var(--accent-soft); }
.step-done .step-num { background: var(--ok-soft); border-color: var(--ok); color: var(--ok); }
.step-done::before { background: color-mix(in srgb, var(--ok) 40%, var(--border)); }
.step-main { min-width: 0; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px 22px; box-shadow: var(--shadow); }
.step-todo .step-main { box-shadow: none; background: transparent; border-style: dashed; }
.step-title { font-size: 17px; font-weight: 700; margin-bottom: 12px; }
.step-todo .step-title { color: var(--muted); margin-bottom: 4px; }
.step-body > p:last-child { margin-bottom: 0; }

.secret-row { display: flex; gap: 8px; align-items: center; margin-top: 10px; flex-wrap: wrap; }
.secret { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 4px 10px; font-size: 12px; word-break: break-all; flex: 1; min-width: 200px; }
.post-chip { display: inline-flex; align-items: center; gap: 6px; margin-top: 10px; font-size: 13.5px; color: var(--muted); max-width: 100%; }
.post-chip a { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.bookmarklet-box { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 16px; border: 1px dashed var(--border-strong); border-radius: 12px; margin: 14px 0; flex-wrap: wrap; }
.bm-title { font-weight: 600; display: flex; align-items: center; gap: 8px; }
.kbd-step { font-size: 11px; font-weight: 700; padding: 1px 7px; border-radius: 6px; background: var(--accent-soft); color: var(--accent-ink); }
.bookmarklet { display: inline-flex; align-items: center; gap: 8px; padding: 10px 18px; border-radius: 999px; background: linear-gradient(135deg, var(--accent-strong), var(--accent)); color: var(--accent-text); font-weight: 700; cursor: grab; box-shadow: 0 4px 14px color-mix(in srgb, var(--accent) 35%, transparent); }
.bookmarklet:hover { text-decoration: none; filter: brightness(1.05); }
.card .bookmarklet { margin-top: 4px; }

.sources { display: grid; gap: 8px; margin: 16px 0; }
.source { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 12px 14px; border: 1px solid var(--border); border-radius: 12px; flex-wrap: wrap; }
.source.has { background: var(--surface-2); }
.source-main { min-width: 0; flex: 1; }
.source-name { font-weight: 700; display: flex; gap: 8px; align-items: center; }
.source-status { font-size: 13.5px; display: flex; flex-wrap: wrap; align-items: center; gap: 4px; }
.source-actions { display: flex; gap: 6px; }

.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-bottom: 16px; }
.stat { padding: 12px 14px; background: var(--surface-2); border-radius: 12px; }
.stat-value { font-size: 24px; font-weight: 800; font-variant-numeric: tabular-nums; line-height: 1.3; }
.stat-label { font-size: 12px; color: var(--muted); }
.stat.accent { background: var(--accent-soft); }
.stat.accent .stat-value { color: var(--accent-ink); }
.stat.warn .stat-value { color: var(--warn); }

.filters { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.toolbar { display: flex; gap: 12px; align-items: center; justify-content: space-between; margin: 16px 0 10px; flex-wrap: wrap; }
.toolbar input[type="search"] { max-width: 260px; }
.segmented { display: inline-flex; background: var(--surface-2); border-radius: 10px; padding: 3px; gap: 2px; flex-wrap: wrap; }
.segmented button { font: inherit; font-size: 13px; border: 0; background: transparent; color: var(--muted); padding: 5px 12px; border-radius: 8px; cursor: pointer; }
.segmented button.active { background: var(--surface); color: var(--text); font-weight: 600; box-shadow: 0 1px 3px rgba(0, 0, 0, .08); }

.table-wrap { overflow: auto; max-height: 560px; border: 1px solid var(--border); border-radius: 12px; }
.ptable { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.ptable th { position: sticky; top: 0; background: var(--surface-2); text-align: left; font-size: 12px; color: var(--muted); font-weight: 600; padding: 8px 10px; white-space: nowrap; z-index: 1; }
.ptable td { padding: 8px 10px; border-top: 1px solid var(--border); vertical-align: top; }
.ptable .col-check, .ptable .col-mark { text-align: center; width: 1%; white-space: nowrap; }
.ptable .col-text { min-width: 200px; }
.row-out td { opacity: .55; }
.row-out td.col-check { opacity: 1; }
.acct { display: flex; gap: 4px; align-items: center; white-space: nowrap; }
.acct-name { color: var(--muted); font-size: 12px; max-width: 180px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.handle { font-weight: 600; }
.verified { color: var(--accent-ink); font-size: 11px; }
.yes { color: var(--ok); font-weight: 700; }
.no { color: var(--border-strong); }
.tags { display: flex; flex-wrap: wrap; gap: 4px; }
.reply-text { color: var(--muted); font-size: 12.5px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; max-width: 360px; }
.more { text-align: center; padding: 10px; }
.output-row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin: 12px 0; }

.finalized { margin-top: 20px; padding: 16px 18px; border-radius: 12px; background: var(--surface-2); border: 1px solid var(--border); }
.finalized-head { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; flex-wrap: wrap; }
.finalized-head .icon { color: var(--ok); }

.draw-box { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 20px; border-radius: 12px; background: var(--surface-2); flex-wrap: wrap; }
.draw-time { font-size: 20px; font-weight: 800; }
.countdown { color: var(--accent-ink); font-weight: 600; font-size: 14px; }
.draw-actions { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.draw-status { margin-top: 12px; font-size: 14px; min-height: 1em; }
.error-text { color: var(--danger); }
.ok-text { color: var(--ok); font-weight: 600; }

.result { padding: 18px; border-radius: 12px; background: linear-gradient(135deg, var(--accent-soft), var(--surface-2)); }
.result-head { display: flex; align-items: center; gap: 8px; margin-bottom: 12px; flex-wrap: wrap; }
.result-head .icon { color: var(--accent); }
.winners { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 6px 16px; padding-left: 2em; margin: 8px 0; font-variant-numeric: tabular-nums; }
.winners li::marker { color: var(--muted); font-size: 12px; }
.winners.alt .handle { font-weight: 500; }
.alternates { margin-top: 14px; padding-top: 12px; border-top: 1px dashed var(--border-strong); }

/* ---- 取り込み ---- */
.choice-list { display: grid; gap: 8px; }
.choice { font: inherit; text-align: left; display: grid; gap: 2px; padding: 12px 14px; background: var(--surface); color: var(--text); border: 1px solid var(--border-strong); border-radius: 10px; cursor: pointer; }
.choice:hover { border-color: var(--accent); }

/* ---- 検証 ---- */
.verdict { display: flex; gap: 16px; align-items: center; padding: 20px 22px; border-radius: var(--radius); margin-bottom: 16px; }
.verdict.ok { background: var(--ok-soft); color: var(--ok); }
.verdict.ng { background: var(--danger-soft); color: var(--danger); }
.verdict-title { font-size: 18px; font-weight: 800; }
.verdict-sub { color: var(--text); font-size: 14px; opacity: .85; }
.checks-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 2px; }
.checks-list li { display: grid; grid-template-columns: 24px 1fr; gap: 10px; padding: 8px 0; border-bottom: 1px solid var(--border); font-size: 14px; }
.checks-list li:last-child { border-bottom: 0; }
.check-mark { display: grid; place-items: center; width: 22px; height: 22px; border-radius: 50%; margin-top: 1px; }
.checks-list .ok .check-mark { background: var(--ok-soft); color: var(--ok); }
.checks-list .ng .check-mark { background: var(--danger-soft); color: var(--danger); }
.checks-list .unknown .check-mark { background: var(--warn-soft); color: var(--warn); }
.check-detail { color: var(--muted); font-size: 12px; word-break: break-all; }
.manual-list { padding-left: 1.4em; margin: 0; display: grid; gap: 18px; }
.manual-list input[type="search"] { margin-top: 8px; max-width: 320px; }
.search-out { margin-top: 6px; font-size: 14px; }

/* ---- 使い方 ---- */
/* ---- しくみ (検証する人向け) ---- */
.guide-lead { font-size: 15.5px; color: var(--muted); margin: 4px 0 24px; line-height: 1.9; }
.hl { color: var(--text); font-weight: 700; background: linear-gradient(transparent 62%, color-mix(in srgb, var(--accent) 35%, transparent) 62%); }
.guide-section { margin-top: 40px; }
.howto { list-style: none; counter-reset: howto; padding: 0; margin: 0; display: grid; gap: 10px; }
.howto li { counter-increment: howto; position: relative; padding: 14px 16px 14px 58px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); }
.howto li::before { content: counter(howto); position: absolute; left: 16px; top: 13px; display: grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; background: var(--accent); color: var(--accent-text); font-weight: 800; font-size: 14px; }
.howto strong:first-child { display: block; font-size: 15px; }
.howto p { margin: 4px 0 0; color: var(--muted); font-size: 14px; }
.result-samples { display: grid; gap: 10px; }
.result-sample { padding: 12px 16px; border-radius: 12px; border-left: 4px solid var(--border-strong); background: var(--surface-2); }
.result-sample p { margin: 4px 0 0; font-size: 14px; color: var(--muted); }
.rs-label { font-weight: 700; font-size: 14.5px; }
.result-sample.ok { border-left-color: var(--ok); background: var(--ok-soft); }
.result-sample.ok .rs-label { color: var(--ok); }
.result-sample.warn { border-left-color: var(--warn); background: var(--warn-soft); }
.result-sample.warn .rs-label { color: var(--warn); }
.result-sample.ng { border-left-color: var(--danger); background: var(--danger-soft); }
.result-sample.ng .rs-label { color: var(--danger); }
.threats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.threat { padding: 16px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); }
.threat-if { display: flex; gap: 8px; font-weight: 700; color: var(--danger); font-size: 14.5px; }
.threat-then { display: flex; gap: 8px; margin-top: 10px; padding-top: 10px; border-top: 1px dashed var(--border); font-size: 14px; }
.threat .icon { flex: none; margin-top: 3px; }
.threat-then .icon { color: var(--ok); }
.guide-points { margin-top: 8px; }

.faq { border-bottom: 1px solid var(--border); padding: 12px 0; }
.faq > summary { cursor: pointer; font-weight: 600; }
.faq-a { color: var(--muted); padding-top: 8px; font-size: 14.5px; }

/* ---- トースト・スピナー ---- */
#toasts { position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%); display: grid; gap: 8px; z-index: 100; width: max-content; max-width: calc(100vw - 32px); }
.toast { background: var(--text); color: var(--bg); padding: 10px 18px; border-radius: 10px; font-size: 14px; box-shadow: 0 8px 24px rgba(0, 0, 0, .2); animation: toast-in .2s ease-out; transition: opacity .3s, transform .3s; }
.toast-error { background: var(--danger); color: #fff; }
.toast.leaving { opacity: 0; transform: translateY(6px); }
@keyframes toast-in { from { opacity: 0; transform: translateY(8px); } }
.spinner { display: inline-block; width: 14px; height: 14px; border: 2px solid var(--border-strong); border-top-color: var(--accent); border-radius: 50%; animation: spin .8s linear infinite; vertical-align: -2px; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---- スマホ ---- */
@media (max-width: 720px) {
  body { font-size: 14.5px; }
  .topbar-inner { gap: 12px; }
  .nav a { padding: 6px 8px; }
  .grid-2, .filters, .features { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .campaign-head .kv { grid-template-columns: max-content 1fr; }
  .step { grid-template-columns: 28px 1fr; gap: 10px; }
  .step::before { left: 13px; top: 28px; }
  .step-num { width: 28px; height: 28px; font-size: 13px; }
  .step-main { padding: 16px; }
  .tl-item { grid-template-columns: 32px 1fr; gap: 10px; }
  .tl-item::before { left: 15px; top: 32px; }
  .tl-node { width: 32px; height: 32px; }
  .tl-body { padding: 12px 14px; }
  .threats { grid-template-columns: 1fr; }
  .howto li { padding-left: 52px; }
  .inline-form { flex-direction: column; }
  .toolbar input[type="search"] { max-width: none; }
  .page-title { font-size: 22px; }
}