/* taxu.net 酒税のコラム。色・書体・ヘッダー/フッターは public/lp/index.html と同じ値 */
:root {
  --ink: #1a1f2e;
  --muted: #5b6478;
  --faint: #8a91a2;
  --line: #e6e3dc;
  --line-strong: #cfcbc2;
  --paper: #faf8f3;
  --paper-2: #f2efe6;
  --indigo: #22398f;
  --indigo-deep: #172a6b;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, "Courier New", monospace;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 84px; }
body {
  margin: 0;
  font-family: "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Noto Sans JP", "Yu Gothic", Meiryo, system-ui, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.9;
  -webkit-font-smoothing: antialiased;
  line-break: strict;
}
/* 見出し・説明文は文節の切れ目で折り返す（Chrome / Edge。他のブラウザは通常の折り返し） */
h1, h2, h3, .phrase { word-break: auto-phrase; text-wrap: pretty; }
a { color: var(--indigo); text-underline-offset: 3px; }
.wrap { max-width: 1240px; margin: 0 auto; padding: 0 24px; }
@media (max-width: 560px) { .wrap { padding: 0 16px; } }


header {
  position: sticky; top: 0; z-index: 10;
  background: rgba(250, 248, 243, 0.88);
  backdrop-filter: saturate(1.2) blur(8px);
  border-bottom: 1px solid var(--line);
}
.bar { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 12px; }
.brand { display: flex; align-items: center; gap: 11px; text-decoration: none; }
.brand-name { font-weight: 800; font-size: 21px; color: var(--indigo-deep); }
.brand-tag { font-size: 12.5px; font-weight: 600; color: var(--muted); padding-left: 11px; border-left: 1px solid var(--line); }
@media (max-width: 560px) { .brand-tag { display: none; } }
.bar-r { display: flex; align-items: center; gap: 18px; }
.nav-link { font-size: 14px; font-weight: 700; color: var(--ink); text-decoration: none; }
.nav-link[aria-current="page"] { color: var(--indigo); }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 20px; border-radius: 999px; font-weight: 700; font-size: 15px;
  text-decoration: none; border: 1px solid transparent; cursor: pointer; white-space: nowrap;
}
.btn-primary { background: var(--indigo); color: #fff; box-shadow: 0 3px 12px rgba(34,57,143,.3); }
.btn-primary:hover { background: var(--indigo-deep); }
.btn-ghost { background: transparent; color: var(--indigo); border-color: rgba(34,57,143,.28); }
.btn-ghost:hover { background: rgba(34,57,143,.06); }
@media (max-width: 560px) { .bar .btn { padding: 8px 14px; font-size: 13.5px; } }

.crumbs { font-size: 12.5px; color: var(--faint); margin: 28px 0 0; }
.crumbs a { color: var(--muted); text-decoration: none; }
.crumbs a:hover { text-decoration: underline; }
.crumbs span[aria-hidden] { margin: 0 6px; }

/* 一覧 */
.blog-head { padding: 40px 0 30px; }
.blog-head h1 { font-size: clamp(26px, 4vw, 38px); line-height: 1.35; margin: 0 0 12px; letter-spacing: -.01em; }
.blog-head p { color: var(--muted); margin: 0; font-size: 16px; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: 20px; padding: 0 0 80px; }
@media (max-width: 560px) { .cards { grid-template-columns: 1fr; } }
.card {
  display: flex; flex-direction: column; gap: 10px;
  background: #fff; border: 1px solid var(--line-strong); border-radius: 12px;
  padding: 24px 26px 20px; text-decoration: none; color: inherit;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.card:hover { border-color: var(--indigo); box-shadow: 0 4px 16px rgba(34,57,143,.08); }
.card h2 { font-size: 19px; line-height: 1.55; margin: 0; color: var(--ink); }
.card .ans { font-size: 14.5px; color: var(--muted); margin: 0; flex: 1; line-height: 1.85; }
.card .meta { font-size: 12px; color: var(--faint); display: flex; flex-wrap: wrap; gap: 4px 14px; }
.tag { display: inline-block; font-size: 11.5px; font-weight: 700; color: var(--indigo); background: rgba(34,57,143,.07); border-radius: 999px; padding: 2px 10px; }

/* 記事：本文＋右の目次 */
.art-layout { display: grid; grid-template-columns: minmax(0, 1fr) 248px; gap: 64px; padding: 0 0 48px; }
@media (max-width: 1000px) { .art-layout { grid-template-columns: 1fr; gap: 0; } .toc { display: none; } }
.article { min-width: 0; }
.article h1 { font-size: clamp(25px, 3.4vw, 36px); line-height: 1.45; margin: 18px 0 14px; letter-spacing: -.01em; }
.art-meta { font-size: 12.5px; color: var(--faint); display: flex; flex-wrap: wrap; gap: 4px 16px; margin-bottom: 30px; }
.art-meta .num { font-family: var(--mono); font-variant-numeric: tabular-nums; }

/* 冒頭の答え（ラベルは付けない） */
.lede { font-size: 18px; line-height: 1.95; margin: 0 0 8px; font-weight: 500; }
.lede-basis { font-size: 13px; color: var(--muted); margin: 0 0 32px; }

.article h2 { font-size: clamp(19px, 2.4vw, 23px); line-height: 1.55; margin: 52px 0 14px; padding-bottom: 8px; border-bottom: 1px solid var(--line); }
.article p { margin: 0 0 18px; font-size: 16.5px; }

.src-quote { margin: 0 0 22px; background: var(--paper-2); border: 1px solid var(--line); border-radius: 10px; padding: 14px 20px 12px; }
.src-quote blockquote { margin: 0; font-size: 15.5px; line-height: 1.9; }
.src-quote blockquote p { margin: 0 0 2px; font-size: inherit; }
.src-quote figcaption { margin-top: 8px; font-size: 12px; color: var(--muted); }

.tbl { margin: 0 0 24px; }
.tbl-scroll { overflow-x: auto; background: #fff; border: 1px solid var(--line-strong); border-radius: 10px; }
.tbl figcaption { font-size: 12.5px; color: var(--muted); margin: 0 0 8px; }
table { border-collapse: collapse; width: 100%; font-size: 15px; }
th, td { border-bottom: 1px solid var(--line); padding: 11px 16px; text-align: left; vertical-align: top; }
thead th { background: var(--paper-2); font-size: 13px; color: var(--muted); }
tbody tr:last-child td { border-bottom: 0; }
td:first-child { font-weight: 700; white-space: nowrap; }

.sources { background: #fff; border: 1px solid var(--line-strong); border-radius: 10px; padding: 18px 22px 8px; margin: 52px 0 18px; }
.sources h2 { margin: 0 0 4px !important; padding: 0 !important; border: 0 !important; font-size: 15px !important; }
.sources .chk { font-size: 12px; color: var(--faint); margin: 0 0 8px !important; }
.sources ol { padding-left: 1.3em; margin: 0 0 10px; }
.sources li { font-size: 13.5px; color: var(--muted); margin: 0 0 4px; }
.disclaim { font-size: 13px !important; color: var(--muted); }

.related { margin: 36px 0 0; }
.related h2 { font-size: 15px !important; border: 0 !important; margin: 0 0 10px !important; padding: 0 !important; }
.related a.card { padding: 16px 20px; }
.related .card h3 { margin: 0; font-size: 16px; line-height: 1.55; }

/* 目次（PC だけ） */
.toc { position: sticky; top: 96px; align-self: start; margin-top: 30px; font-size: 13.5px; }
.toc-h { font-size: 12px; font-weight: 800; letter-spacing: .08em; color: var(--faint); margin: 0 0 10px; }
.toc ol { list-style: none; margin: 0; padding: 0; border-left: 1px solid var(--line-strong); }
.toc li { margin: 0; }
.toc a { display: block; padding: 6px 0 6px 14px; color: var(--muted); text-decoration: none; line-height: 1.6; word-break: auto-phrase; }
.toc a:hover { color: var(--indigo); }
.toc .toc-chk { margin: 18px 0 0; font-size: 12px; color: var(--faint); }

.cta-band { background: var(--paper-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 40px 0; margin-top: 40px; }
.cta-in { display: flex; flex-wrap: wrap; gap: 18px 28px; align-items: center; justify-content: space-between; }
.cta-in p { margin: 0; font-size: 15px; color: var(--muted); }
.cta-in b { color: var(--ink); font-size: 17px; margin-right: 10px; }

footer { padding: 26px 0 46px; color: var(--muted); font-size: 13.5px; }
.foot { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px 28px; align-items: baseline; }
.foot-co b { display: block; color: var(--ink); font-size: 14px; }
.foot-co span { font-size: 12.5px; }
.foot-r { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 18px; }
.foot-link { font-size: 13px; color: var(--indigo); text-underline-offset: 3px; }
.foot-c { font-size: 12.5px; color: var(--faint); }

/* カードの要約は文節で折りつつ、行を短く詰めない */
.card .ans { text-wrap: wrap; }