/* 記事ページ・フォーム */
.article-head { padding-top: 28px; }
.breadcrumb ol { list-style: none; display: flex; flex-wrap: wrap; gap: 6px; padding: 0; margin: 0 0 20px; font-size: 13px; color: var(--text-sub); }
.breadcrumb li + li::before { content: "＞"; margin-right: 6px; }
.breadcrumb a { color: var(--text-sub); }
.article-title { font-size: 34px; font-weight: 700; margin: 12px 0 14px; }
.article-meta { display: flex; flex-wrap: wrap; gap: 6px 18px; font-size: 13px; color: var(--text-sub); }
.article-eyecatch { margin: 26px 0 0; border-radius: var(--radius); overflow: hidden; }
.article-eyecatch img { width: 100%; height: auto; display: block; }
.zukai-inline { margin: 0 0 1.8em; background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 12px; }
.zukai-inline figcaption { font-size: 13px; color: var(--text-sub); text-align: center; margin-top: 8px; }
.section-title { font-size: 26px; font-weight: 700; margin-bottom: 32px; }
.contact-lead-box { background: var(--primary-soft); border-radius: var(--radius); padding: 32px; text-align: center; margin-bottom: 56px; }
.contact-lead-box p { margin-bottom: 18px; font-weight: 700; }
.sub-h { font-size: 20px; margin: 0 0 8px; }
.article-layout { display: grid; grid-template-columns: minmax(0, 1fr) 280px; gap: 48px; padding-top: 36px; padding-bottom: 72px; }
.article-lead { font-size: 17px; padding: 20px 24px; background: var(--bg-soft); border-radius: 12px; margin-bottom: 28px; }
.article-side { position: relative; }
.side-box { position: sticky; top: 92px; padding: 24px; border-radius: var(--radius); background: var(--primary-soft); }
.side-h { font-weight: 700; margin-bottom: 8px; }
.side-t { font-size: 14px; margin-bottom: 16px; }

.toc { border: 1px solid var(--border); border-radius: 12px; padding: 20px 24px; margin-bottom: 36px; }
.toc-h { font-weight: 700; margin-bottom: 6px; }
.toc ol { margin: 0; padding-left: 1.4em; }
.toc li { margin: 6px 0; }
.toc a { color: var(--ink); text-decoration: none; }
.toc a:hover { color: var(--primary); text-decoration: underline; }

.prose h2 { font-size: 25px; margin: 56px 0 20px; padding: 12px 0 12px 18px; border-left: 6px solid var(--primary); background: var(--bg-soft); border-radius: 0 10px 10px 0; }
.prose h3 { font-size: 20px; margin: 36px 0 14px; padding-bottom: 8px; border-bottom: 2px solid var(--primary-soft); }
.prose p { margin: 0 0 1.3em; }
.prose ul, .prose ol { margin: 0 0 1.4em; padding-left: 1.4em; }
.prose li { margin: .4em 0; }
.prose strong { background: linear-gradient(transparent 62%, var(--primary-soft) 62%); }
.prose .note { background: #FFF8EC; border-left: 4px solid var(--accent); padding: 14px 18px; border-radius: 0 10px 10px 0; margin: 0 0 1.4em; }
.table-wrap { overflow-x: auto; margin: 0 0 1.6em; }
.prose table, .about-table { width: 100%; border-collapse: collapse; font-size: 15px; }
.prose th, .prose td, .about-table th, .about-table td { border: 1px solid var(--border); padding: 12px 14px; text-align: left; vertical-align: top; }
.prose th, .about-table th { background: var(--primary-soft); font-weight: 700; white-space: nowrap; }
.sub-title { font-size: 22px; margin: 48px 0 14px; }

.sources { margin: 56px 0 0; padding: 24px; border-radius: 12px; background: var(--bg-soft); }
.sources h2 { font-size: 18px; margin-bottom: 10px; }
.sources ul { margin: 0; padding-left: 1.2em; font-size: 14px; word-break: break-all; }
.sources-note { font-size: 13px; color: var(--text-sub); margin-top: 12px; }

.cta-box { margin: 40px 0; padding: 30px; border-radius: var(--radius); background: var(--primary-dark); color: #fff; }
.cta-label { font-size: 12px; font-weight: 700; letter-spacing: .14em; color: #fff; }
.cta-title { font-size: 22px; font-weight: 700; margin: 8px 0; color: #fff; }
.cta-text { color: #fff; margin-bottom: 18px; }

/* 相談フォーム */
.lead-form { display: grid; gap: 20px; }
.field { display: grid; gap: 6px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.field label { font-weight: 700; font-size: 14px; }
.req, .opt { font-size: 11px; font-weight: 700; margin-left: 8px; padding: 2px 8px; border-radius: 4px; }
.req { background: var(--danger); color: #fff; }
.opt { background: var(--border); color: var(--ink); }
.lead-form input, .lead-form select, .lead-form textarea { font: inherit; padding: 12px 14px; border: 1px solid #C9D1CD; border-radius: 10px; background: #fff; color: var(--ink); width: 100%; }
.lead-form input:focus, .lead-form select:focus, .lead-form textarea:focus { outline: 3px solid var(--primary-soft); border-color: var(--primary); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.consent { font-size: 14px; display: flex; gap: 8px; align-items: center; }
.consent input { width: auto; }
.form-error { color: var(--danger); font-weight: 700; }

@media (max-width: 960px) {
  .article-layout { grid-template-columns: 1fr; }
  .article-side { display: none; }
}
@media (max-width: 600px) {
  .article-title { font-size: 25px; }
  .prose h2 { font-size: 21px; }
  .field-row { grid-template-columns: 1fr; }
  .cta-box { padding: 24px; }
}

/* 囲み（要点・ポイント・注意・まとめ） */
.box { border-radius: 14px; padding: 20px 24px; margin: 0 0 1.6em; }
.box > :last-child { margin-bottom: 0; }
.box-label { font-weight: 700; font-size: 14px; margin-bottom: 8px; display: inline-flex; align-items: center; gap: 6px; }
.box-check { background: var(--primary-soft); }
.box-check ul { list-style: none; padding: 0; margin: 0; }
.box-check li { position: relative; padding-left: 30px; font-weight: 700; margin: 8px 0; }
.box-check li::before { content: ""; position: absolute; left: 0; top: .2em; width: 20px; height: 20px; border-radius: 50%; background: var(--primary); }
.box-check li::after { content: ""; position: absolute; left: 6px; top: .55em; width: 8px; height: 4px; border-left: 2px solid #fff; border-bottom: 2px solid #fff; transform: rotate(-45deg); }
.box-point { background: #fff; border: 2px solid var(--primary); }
.box-point .box-label { color: #fff; background: var(--primary); padding: 2px 12px; border-radius: 999px; }
.box-caution { background: #FFF6EA; border-left: 5px solid var(--accent-dark); border-radius: 0 14px 14px 0; }
.box-caution .box-label { color: #9A5A10; }
.box-summary { background: var(--primary-dark); color: #fff; }
.box-summary .box-label, .box-summary li, .box-summary p { color: #fff; }
.box-summary ul { margin: 0; padding-left: 1.2em; }
.box-summary li { margin: 6px 0; font-weight: 700; }

.side-box .btn-accent { white-space: nowrap; flex-wrap: nowrap; padding-left: 14px; padding-right: 14px; font-size: 15px; }