/* 副業年表：デザイントークン（提案書 7章）と年表・年別アーカイブのスタイル */
:root {
  --sb-bg: #FAF8F5;
  --sb-text: #1F2328;
  --sb-muted: #6B7280;
  --sb-accent: #2B4C6F;
  --sb-loss: #A65A3A;
  --sb-gain: #3F6B55;
  --sb-line: #E6E1DA;
  --sb-mono: "Roboto Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.sb-tl { background: var(--sb-bg); color: var(--sb-text); }
.sb-tl .l-main { max-width: none; }
.sb-tl__inner { max-width: 42rem; margin: 0 auto; padding: 24px 16px 64px; font-size: 17px; line-height: 1.9; }
.sb-tl__inner p { margin: 0 0 1.6em; }
.sb-tl a { color: var(--sb-accent); text-decoration: underline; text-underline-offset: 3px; }

/* 総括 */
.sb-tl__hero { padding: 8px 0 24px; border-bottom: 1px solid var(--sb-line); margin-bottom: 32px; }
.sb-tl__kicker { color: var(--sb-muted); font-size: 14px; margin: 0 0 4px; }
.sb-tl__title { font-size: 28px; font-weight: 600; line-height: 1.4; margin: 0 0 20px; letter-spacing: .02em; }
.sb-tl__title span { font-size: .6em; margin-left: .15em; color: var(--sb-muted); }
.sb-tl__lead { color: var(--sb-text); font-size: 16px; }
.sb-tl__preview { background: #FFF6E5; border: 1px solid #F0D9A8; color: #7A5A12; font-size: 13px; padding: 8px 12px; border-radius: 6px; }
.sb-tl__empty { color: var(--sb-muted); }

.sb-stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px 16px; margin: 0 0 20px; }
.sb-stats__item { border: 1px solid var(--sb-line); border-radius: 8px; padding: 10px 12px; background: #fff; }
.sb-stats dt { font-size: 12px; color: var(--sb-muted); margin: 0; }
.sb-stats dd { margin: 2px 0 0; font-size: 18px; font-weight: 600; line-height: 1.3; white-space: nowrap; }
@media (min-width: 640px) { .sb-stats { grid-template-columns: repeat(4, 1fr); } }

.sb-num { font-family: var(--sb-mono); font-variant-numeric: tabular-nums; }
.sb-num--loss { color: var(--sb-loss); }
.sb-num--gain { color: var(--sb-gain); }

/* グラフ */
.sb-chart { margin: 0 0 32px; }
.sb-chart svg { width: 100%; height: auto; display: block; }
.sb-chart figcaption { font-size: 12px; color: var(--sb-muted); margin-top: 6px; line-height: 1.6; }
.sb-chart__grid { stroke: var(--sb-line); stroke-width: 1; }
.sb-chart__vgrid { stroke: var(--sb-line); stroke-width: 1; stroke-dasharray: 2 4; }
.sb-chart__zero { stroke: var(--sb-text); stroke-width: 1.2; }
.sb-chart__area { fill: var(--sb-accent); fill-opacity: .08; }
.sb-chart__line { fill: none; stroke: var(--sb-accent); stroke-width: 2.2; stroke-linejoin: round; stroke-linecap: round; }
.sb-chart__dot { fill: #fff; stroke: var(--sb-accent); stroke-width: 2; }
.sb-chart__ylabel, .sb-chart__xlabel, .sb-chart__note { font-family: var(--sb-mono); font-size: 11px; fill: var(--sb-muted); }
.sb-chart__note { fill: var(--sb-text); font-size: 12px; }
.sb-chart__note--last { font-weight: 600; }

/* 年ナビ（追従） */
.sb-ynav { position: sticky; top: 0; z-index: 5; background: var(--sb-bg); border-bottom: 1px solid var(--sb-line); margin: 0 -16px 24px; padding: 8px 16px; }
.sb-ynav ul { display: flex; gap: 4px; overflow-x: auto; list-style: none; margin: 0; padding: 0; scrollbar-width: none; }
.sb-ynav ul::-webkit-scrollbar { display: none; }
.sb-ynav a { display: inline-block; padding: 6px 12px; border-radius: 999px; font-family: var(--sb-mono); font-size: 14px; color: var(--sb-muted); text-decoration: none; white-space: nowrap; }
.sb-ynav a.is-active, .sb-ynav a:hover { background: var(--sb-accent); color: #fff; }

/* 年セクション */
.sb-year { padding: 8px 0 40px; scroll-margin-top: 56px; }
.sb-year__head { margin-bottom: 16px; }
.sb-year__title { font-size: 24px; font-weight: 600; margin: 0 0 8px; padding-bottom: 6px; border-bottom: 1px solid var(--sb-line); font-family: var(--sb-mono); }
.sb-year__title span { font-family: inherit; font-size: .7em; color: var(--sb-muted); margin-left: .1em; }
.sb-year__title--sub { font-family: inherit; font-size: 18px; }
.sb-year__summary { color: var(--sb-text); margin: 0 0 8px; font-size: 16px; }
.sb-year__nums { display: flex; flex-wrap: wrap; gap: 4px 20px; margin: 0; font-size: 14px; }
.sb-year__nums div { display: flex; gap: 8px; align-items: baseline; }
.sb-year__nums dt { color: var(--sb-muted); font-size: 12px; }
.sb-year__nums dd { margin: 0; font-weight: 600; }
.sb-year__nums small { color: var(--sb-muted); font-weight: 400; }
.sb-year__archive { font-size: 14px; margin: 12px 0 0; }

/* 出来事カード：1件1行を原則 */
.sb-events { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--sb-line); }
.sb-ev { border-bottom: 1px solid var(--sb-line); padding: 12px 0; }
.sb-ev__head { display: grid; grid-template-columns: 3.2em 1fr auto; gap: 6px 10px; align-items: baseline; }
.sb-ev__month { font-family: var(--sb-mono); font-size: 13px; color: var(--sb-muted); white-space: nowrap; }
.sb-ev__title { font-size: 16px; font-weight: 500; line-height: 1.6; margin: 0; }
.sb-ev__title a { text-decoration-thickness: 1px; }
.sb-ev__amount { font-family: var(--sb-mono); font-size: 13px; font-weight: 600; padding: 1px 8px; border-radius: 999px; white-space: nowrap; border: 1px solid; }
.sb-ev__amount--loss { color: var(--sb-loss); border-color: var(--sb-loss); }
.sb-ev__amount--gain { color: var(--sb-gain); border-color: var(--sb-gain); }
.sb-ev__amount--ongoing { color: var(--sb-accent); border-color: var(--sb-accent); font-family: inherit; font-weight: 500; }
.sb-ev__note { grid-column: 2; margin: 2px 0 0 calc(3.2em + 10px); font-size: 12px; color: var(--sb-muted); }
.sb-ev__more { margin: 6px 0 0 calc(3.2em + 10px); font-size: 15px; }
.sb-ev__more summary { cursor: pointer; color: var(--sb-muted); font-size: 13px; list-style: none; }
.sb-ev__more summary::-webkit-details-marker { display: none; }
.sb-ev__more summary::before { content: "＋ "; }
.sb-ev__more[open] summary::before { content: "－ "; }
.sb-ev__excerpt { margin: 8px 0 0; line-height: 1.8; }
.sb-ev__hindsight { margin: 10px 0 0; padding: 10px 12px; background: #fff; border-left: 3px solid var(--sb-accent); line-height: 1.8; }
.sb-ev__hlabel { display: block; font-size: 12px; color: var(--sb-muted); margin-bottom: 2px; }
.sb-ev__link { margin: 8px 0 0; font-size: 14px; }
.sb-ev--draft { background: repeating-linear-gradient(135deg, transparent 0 8px, rgba(0,0,0,.025) 8px 9px); }
.sb-ev__edit { display: inline-block; margin: 4px 0 0 calc(3.2em + 10px); font-size: 12px; color: var(--sb-muted); }

/* 年別アーカイブの記事一覧 */
.sb-posts { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--sb-line); }
.sb-posts__item { display: grid; grid-template-columns: 3.2em 1fr; gap: 10px; padding: 10px 0; border-bottom: 1px solid var(--sb-line); align-items: baseline; }
.sb-posts__month { font-family: var(--sb-mono); font-size: 13px; color: var(--sb-muted); }
.sb-yearnav { display: flex; justify-content: space-between; gap: 12px; margin-top: 32px; font-size: 14px; }
.sb-yearnav__all { margin: 0 auto; }

@media (max-width: 480px) {
  .sb-ev__head { grid-template-columns: 3.2em 1fr; }
  .sb-ev__amount { grid-column: 2; justify-self: start; }
}