:root {
  --paper: #f4f5f7;
  --surface: #ffffff;
  --ink: #16181d;
  --muted: #6b7280;
  --line: #e2e4e9;
  --accent: #2f6fed;
  --accent-soft: #e8eefe;
  --accent-faint: #eef2ff;
  --warn: #b0501c;
  --warn-soft: #fbeadd;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  background: var(--paper);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", "Noto Sans JP", sans-serif;
  line-height: 1.7;
  font-size: 16px;
}
a { color: var(--accent); }

.wrap { display: grid; grid-template-columns: minmax(0, 720px) 280px; gap: 28px; align-items: start; max-width: 1080px; margin: 0 auto; padding: 32px 20px 80px; }
.main { min-width: 0; }

h1 { font-size: 26px; line-height: 1.3; margin-bottom: 6px; }
.lead { color: var(--muted); font-size: 15px; }
.notice { border: 1px solid var(--warn); background: var(--warn-soft); color: var(--ink); border-radius: 10px; padding: 12px 14px; font-size: 14px; margin: 18px 0; }
.section-title { font-size: 13px; font-weight: 700; color: var(--muted); letter-spacing: .04em; margin: 26px 0 10px; }
.sub-title { font-size: 14px; font-weight: 700; color: var(--ink); margin: 12px 0 6px; }
.note { color: var(--muted); font-size: 14px; margin: 0 0 10px; }
.prep { color: var(--muted); font-size: 14px; margin: 6px 0 10px; }
.addr-box { background: #f4f4f2; border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; margin: 6px 0 10px; word-break: break-all; font-size: 13px; }
.flow-step { margin: 12px 0; }
.flow-label { font-size: 14px; font-weight: 700; color: var(--ink); margin-bottom: 6px; }

.ai-table { width: 100%; border-collapse: collapse; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; font-size: 14px; background: var(--surface); }
.ai-table th, .ai-table td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--line); }
.ai-table th { background: var(--accent-faint); font-weight: 700; }
.ai-table tr:last-child td { border-bottom: none; }

.ai-choice { display: flex; flex-wrap: wrap; gap: 8px; }
.ai-btn { font-size: 14px; font-weight: 700; cursor: pointer; padding: 9px 16px; border-radius: 8px; border: 1px solid var(--line); background: var(--surface); color: var(--ink); }
.ai-btn.selected { background: var(--accent); border-color: var(--accent); color: #fff; }

.acc { border: 1px solid var(--line); border-radius: 10px; margin-bottom: 10px; overflow: hidden; background: var(--surface); }
.acc.open { border-color: var(--accent); }
.acc-head { width: 100%; display: flex; align-items: center; justify-content: space-between; background: var(--surface); border: none; cursor: pointer; padding: 13px 16px; font-size: 16px; font-weight: 700; color: var(--ink); text-align: left; font-family: inherit; }
.acc.open .acc-head { background: var(--accent-soft); }
.acc-arrow { color: var(--muted); font-size: 11px; }
.acc-body { display: none; padding: 4px 16px 16px; }
.acc.open .acc-body { display: block; }

.inline-checks { list-style: none; padding: 0; margin: 0 0 6px; }
.inline-checks li { display: flex; align-items: center; gap: 8px; padding: 6px 0; font-size: 14px; }
.inline { display: inline-flex; align-items: center; gap: 8px; }
.box { width: 20px; height: 20px; flex: none; border-radius: 5px; border: 1.5px solid var(--line); display: inline-flex; align-items: center; justify-content: center; font-size: 13px; color: #fff; cursor: pointer; background: var(--surface); }
.box.checked { background: var(--accent); border-color: var(--accent); }
.box.prep { cursor: default; opacity: .5; }
.box.app { cursor: default; color: var(--accent); border-color: var(--accent); }

.steps { margin: 0 0 10px 18px; font-size: 14px; }
.steps li { margin: 4px 0; }
.next-list { margin: 0 0 6px 18px; font-size: 14px; color: var(--muted); }
.account { border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; margin-bottom: 10px; background: var(--surface); }
.btns { display: flex; flex-wrap: wrap; gap: 8px; margin: 8px 0; }

.btn { display: inline-block; font-size: 14px; font-weight: 700; cursor: pointer; padding: 10px 18px; border-radius: 8px; border: 1px solid var(--accent); background: var(--accent); color: #fff; text-decoration: none; }
.btn.secondary { background: var(--surface); color: var(--ink); border-color: var(--line); }
.btn:disabled { opacity: .45; cursor: default; }

.trouble { margin-top: 4px; }
.trouble-note { color: var(--warn); font-size: 14px; margin-bottom: 8px; }
.trouble-input { width: 100%; min-height: 84px; resize: vertical; border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; font-size: 14px; font-family: inherit; color: var(--ink); background: var(--surface); }
.trouble-send-note { color: var(--muted); font-size: 12px; margin-top: 6px; }
.trouble-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.faq-cards { display: flex; flex-direction: column; gap: 8px; margin-top: 12px; }
.faq-card { border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; background: var(--surface); }
.faq-title { font-weight: 700; font-size: 14px; margin-bottom: 4px; }
.faq-answer { font-size: 14px; line-height: 1.7; }
.faq-none { margin-top: 12px; font-size: 14px; color: var(--muted); }

.side { position: sticky; top: 24px; border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; background: var(--surface); }
.progress { font-size: 26px; font-weight: 700; }
.side-title { font-size: 13px; font-weight: 700; color: var(--muted); margin: 4px 0 8px; }
.check-list { list-style: none; padding: 0; margin: 0; }
.check-row { margin: 0; }
.check-jump { display: flex; align-items: center; gap: 8px; padding: 6px 0; cursor: pointer; font-size: 14px; color: var(--ink); text-decoration: none; }
.check-jump:hover { color: var(--accent); }
.check-text { line-height: 1.4; }

.toast { position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%); background: var(--ink); color: #fff; padding: 10px 18px; border-radius: 8px; font-size: 14px; z-index: 50; }

@media (max-width: 820px) {
  .wrap { grid-template-columns: 1fr; gap: 16px; padding: 20px 14px 60px; }
  .side { position: static; order: -1; }
  h1 { font-size: 22px; }
}