/* アーカイブサイト共通スタイル（浮世絵×シティポップ版・2026-07-11ユーザー承認デザイン）。
   外装＝和紙ベージュ＋朝日・街並み・雲紋様（site/static/art/ のGPT Image生成素材、ユーザー支給）。
   紙面（.sheet の中）＝紺 #1a3a6b の新聞体で、Xに投稿している紙面と同一の意匠を保つ。
   SVG用クラス（gridline等）は紙面テンプレ（templates/theme_template.html）からの移植で、
   これが無いと chart / multiline / bar 型のチャートが崩れる。
   会社のコーポレートカラー #0565A7 は匿名運用ルールにより使用禁止。 */

:root {
  --paper: #EFE4CB;
  --sheet: #fdfdfa;
  /* 文字は墨黒でなく濃紺インク（カンプ準拠。ベージュ地とのコントラスト比は10:1以上ある） */
  --ink: #2a3247;
  --ink-soft: #5f6779;
  --salmon: #FF6B6B;
  --vermilion: #D9482E;
  --turq: #3DBDB4;
  --yellow: #FFE66D;
  --navy: #1a3a6b;        /* 紙面内で使う紺。投稿済み紙面と同一なので変えない */
  --navy-deep: #0D1A33;   /* 外装（題字・見出し）用の濃紺 */
  --navy-muted: #5a6272;
  --serif: "Yu Mincho", "YuMincho", "Hiragino Mincho ProN", "Noto Serif CJK JP", "Noto Serif JP", serif;
  --sans: "Yu Gothic", "YuGothic", "Hiragino Kaku Gothic ProN", "Noto Sans CJK JP", sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: var(--serif);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.75;
}
::selection { background: var(--yellow); color: var(--ink); }

/* 紙の粒子＋細かい網点をページ全体に薄く重ねる（昭和の印刷物・版画の質感）。
   ノイズは外部ファイル不要のSVG feTurbulence をdata URIで敷く */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 3;
  pointer-events: none;
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"),
    radial-gradient(rgba(41, 39, 40, .5) .5px, transparent .65px);
  background-size: 220px 220px, 3.2px 3.2px;
  mix-blend-mode: multiply;
  opacity: .08;
}

.num { font-family: var(--sans); }
a { color: var(--vermilion); text-underline-offset: .2em; }
a:focus-visible { outline: 3px solid var(--turq); outline-offset: 3px; }
img, svg { max-width: none; }

/* ---- 背景の景色（固定・一枚の絵）：上＝空と夕日と雲、中＝街並み、下＝波。
        記事の紙面が中央に重なって景色を隠す構成（承認カンプの想定どおり） ---- */
.scene {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}
.scene::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url(/art/pattern-tile.webp) top center / 720px auto repeat;
  opacity: .22;
}
.scene-sun {
  position: absolute;
  top: -12px;
  right: 2vw;
  width: clamp(170px, 20vw, 330px);
  height: auto;
}
.scene-cloud { position: absolute; height: auto; }
.scene-cloud-1 { top: 13vh; left: -3vw; width: clamp(200px, 24vw, 380px); opacity: .95; }
.scene-cloud-2 { top: 4vh; right: 27vw; width: clamp(150px, 16vw, 280px); opacity: .9; }
.scene-city {
  position: absolute;
  left: 0;
  right: 0;
  bottom: clamp(60px, 9vh, 130px);
  height: clamp(260px, 40vh, 500px);
  background: url(/art/city-band.webp) bottom center / auto 100% repeat-x;
}
.scene-wave {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: clamp(150px, 24vh, 300px);
  background: url(/art/wave-band.webp) bottom center / auto 100% repeat-x;
}
/* 夕暮れの色被り。空の上部（左上・右上）にだけ赤みを重ね、下の街・波には及ぼさない */
.scene::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 62% 42% at 90% -6%, rgba(255, 107, 107, .40), transparent 70%),
    radial-gradient(ellipse 52% 36% at 6% -10%, rgba(255, 150, 92, .30), transparent 72%),
    linear-gradient(180deg, rgba(255, 138, 108, .16) 0%, rgba(255, 200, 150, .07) 24%, transparent 46%);
}

/* ---- ヘッダー（景色の空に直接載る） ---- */
.site-header {
  position: relative;
  z-index: 1;
  border-bottom: 2px solid var(--ink);
}
.site-header-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 26px 22px 18px;
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}
/* 右上の夕日と重ならないよう、ナビは夕日のぶんだけ右を空ける */
@media (min-width: 901px) {
  .site-header-inner { padding-right: clamp(180px, 23vw, 340px); }
}
.site-identity { display: flex; align-items: center; gap: 20px; text-decoration: none; color: var(--ink); }
.site-icon {
  width: clamp(140px, 16vw, 200px);
  height: clamp(140px, 16vw, 200px);
  border-radius: 50%;
  border: 2.5px solid var(--ink);
  object-fit: cover;
  background: #fff;
  flex: none;
  box-shadow: 0 6px 18px rgba(41, 39, 40, .22);
}
/* 題字はHG正楷書体-PRO（中太＝stroke2相当）を高解像度で画像化したもの。
   Office付属フォントの通常使用（ロゴ画像）で、フォントファイル自体は配布しない */
.site-daiji {
  display: block;
  height: clamp(30px, 3.4vw, 44px);
  width: auto;
  max-width: 100%;
  object-fit: contain;
  object-position: left;
}
.site-en {
  display: block;
  margin-top: 8px;
  font-family: var(--serif);
  font-size: clamp(11px, 1.3vw, 14px);
  font-weight: 700;
  letter-spacing: .44em;
  color: var(--navy-deep);
}
.site-nav {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--sans);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--ink-soft);
  flex-wrap: wrap;
}
.site-nav a { color: var(--ink); text-decoration: none; padding: 4px 2px; white-space: nowrap; }
.site-nav a:hover { color: var(--vermilion); text-decoration: underline; text-underline-offset: .3em; }
@media (max-width: 900px) {
  .site-nav { margin-left: 0; }
  .site-daiji { height: clamp(20px, 5.4vw, 30px); }
  .site-icon { width: clamp(96px, 24vw, 120px); height: clamp(96px, 24vw, 120px); }
}

/* 本文の帯：中央に和紙の面を敷き、景色はその左右と上下に見える */
main {
  position: relative;
  z-index: 1;
  max-width: 1080px;
  margin: 0 auto;
  padding: 32px 26px 70px;
  /* 和紙の面。上端だけ夕焼けの照り返しでほんのり暖色に */
  background: linear-gradient(180deg, rgba(247, 227, 199, .94) 0%, rgba(243, 234, 219, .93) 340px);
  box-shadow: 0 0 46px rgba(41, 39, 40, .12);
}

/* ---- パンくず・記事ヘッダー ---- */
.breadcrumb { font-size: 12.5px; color: var(--ink-soft); }
.breadcrumb a { color: var(--ink-soft); }
.issue-head { text-align: center; margin-top: 20px; }
.series-tag { font-size: 13.5px; letter-spacing: 1px; }
.series-tag a {
  color: #fdfdfa;
  background: var(--navy);
  padding: 4px 16px 5px;
  text-decoration: none;
  display: inline-block;
}
.headline {
  margin: 16px auto 0;
  max-width: 30em;
  font-size: clamp(24px, 4.4vw, 36px);
  font-weight: 800;
  line-height: 1.5;
  letter-spacing: .02em;
  text-wrap: balance;
  color: var(--navy-deep);
}
.dateline { margin-top: 10px; font-size: 13.5px; color: var(--ink-soft); letter-spacing: .1em; }
.lead {
  max-width: 46em;
  margin: 14px auto 0;
  text-align: justify;
  font-size: 15.5px;
  line-height: 1.85;
  color: #463f36;
}

/* ---- 紙面（和風の額縁で額装。中身は紺の新聞体のまま） ---- */
.mount {
  margin-top: 28px;
  border: clamp(20px, 3vw, 34px) solid transparent;
  border-image: url(/art/frame.webp) 160 round;
  background: var(--sheet);
  background-clip: padding-box;
  filter: drop-shadow(0 18px 30px rgba(41, 39, 40, .22));
}
.sheet {
  background: var(--sheet);
  color: #1c1f26;
  padding: 22px 26px 20px;
}
.sheet-brandbar {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 6px 14px;
  flex-wrap: wrap;
  border-bottom: 3px solid var(--navy);
  padding-bottom: 9px;
  position: relative;
}
.sheet-brandbar::after { content: ""; position: absolute; left: 0; right: 0; bottom: -6px; border-bottom: 1px solid var(--navy); }
.sheet-brand { font-size: clamp(20px, 3vw, 28px); font-weight: 800; letter-spacing: 5px; color: var(--navy); }
.sheet-edition {
  display: inline-block;
  font-size: .58em;
  letter-spacing: 3px;
  background: var(--navy);
  color: #fdfdfa;
  padding: 3px 12px 4px;
  margin-left: 12px;
  vertical-align: 4px;
}
.sheet-brandsub { font-size: 12px; font-weight: 400; letter-spacing: 2px; color: var(--navy-muted); margin-left: 12px; }
.sheet-dateline { font-size: 13.5px; color: var(--navy-muted); letter-spacing: 1px; }
.sheet-period { margin-top: 15px; font-size: 14px; letter-spacing: 1.5px; color: var(--navy); font-weight: bold; }

/* ---- キー数値（紙面と同じ構造） ---- */
.keyrow { display: flex; flex-wrap: wrap; margin-top: 10px; border-top: 1.5px solid var(--navy); border-bottom: 1px solid #8ea0bd; }
.key { flex: 1 1 220px; padding: 10px 14px; border-right: 1px solid #c9d3e2; }
.key:last-child { border-right: none; }
.key .kk { font-size: 13.5px; color: #5a6272; letter-spacing: 1px; }
.key .kv { font-size: 25px; font-weight: 700; margin-top: 2px; color: var(--navy); }
.key .kd { font-size: 13px; margin-top: 1px; color: #3a3f4a; font-weight: bold; }
@media (max-width: 720px) {
  .key { border-right: none; border-bottom: 1px solid #c9d3e2; }
  .key:last-child { border-bottom: none; }
}

/* ---- チャート（SVGは縮小せず横スクロール。スマホで目盛りを潰さない） ---- */
.chart-block { margin-top: 22px; }
.chart-title { font-size: 17px; font-weight: 800; letter-spacing: 1px; border-left: 6px solid var(--navy); padding-left: 10px; }
.chart-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.chart-wrap svg { display: block; margin-top: 6px; min-width: 760px; width: 100%; height: auto; }
.chart-note { font-size: 12px; color: #5a6272; margin-top: 4px; line-height: 1.5; }

/* ---- SVG内クラス（紙面テンプレから移植） ---- */
.gridline { stroke: #d5dce8; stroke-width: 1; }
.axis { stroke: #5a6272; stroke-width: 1.2; }
.ticktext { font-family: "Yu Gothic", "YuGothic", "Noto Sans CJK JP", sans-serif; font-size: 13px; fill: #5a6272; }
.xtext { font-family: "Yu Gothic", "YuGothic", "Noto Sans CJK JP", sans-serif; font-size: 14px; fill: #3a3f4a; }
.bar { fill: #dbe3ef; }
.bartext { font-family: "Yu Gothic", "YuGothic", "Noto Sans CJK JP", sans-serif; font-size: 12px; fill: #5a6272; }
.mainline { fill: none; stroke: #1a3a6b; stroke-width: 3.5; }
.dot { fill: #1a3a6b; }
.vlabel { font-family: "Yu Gothic", "YuGothic", "Noto Sans CJK JP", sans-serif; font-size: 14.5px; font-weight: 700; fill: #1a3a6b; }
.legend { font-family: "Yu Gothic", "YuGothic", "Noto Sans CJK JP", sans-serif; font-size: 13px; fill: #3a3f4a; }

/* ---- 紙面下半分（表・小チャート） ---- */
.halfgrid { display: flex; gap: 30px; margin-top: 22px; }
.half { flex: 1; min-width: 0; overflow-x: auto; -webkit-overflow-scrolling: touch; }
.half svg { display: block; min-width: 430px; width: 100%; height: auto; }
.sec-title { font-size: 15.5px; font-weight: 800; letter-spacing: 1px; border-left: 6px solid var(--navy); padding-left: 10px; margin-bottom: 6px; }
.sec-title .light { font-weight: 400; font-size: 12.5px; color: #5a6272; margin-left: 8px; letter-spacing: 0; }
table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
th { font-family: "Yu Gothic", "YuGothic", "Noto Sans CJK JP", sans-serif; font-size: 12.5px; color: #5a6272; font-weight: 700; border-top: 1.5px solid var(--navy); border-bottom: 1px solid var(--navy); padding: 5px 4px; text-align: right; }
th:first-child { text-align: left; }
td { padding: 4px 4px; border-bottom: 1px solid #d5dce8; text-align: right; font-variant-numeric: tabular-nums; }
td:first-child { text-align: left; font-weight: 700; }
td.hl { color: var(--navy); font-weight: 700; }
.tbl-note { font-size: 11.5px; color: #5a6272; margin-top: 4px; line-height: 1.5; }
@media (max-width: 820px) {
  .halfgrid { flex-direction: column; }
}

/* ---- 紙面本文 ---- */
.bodygrid { display: flex; gap: 30px; margin-top: 24px; }
.body-sec { flex: 1; }
.body-sec h2 { font-size: 17px; font-weight: 800; padding: 3px 0 5px 10px; border-left: 6px solid var(--navy); border-bottom: 1px solid var(--navy); margin-bottom: 8px; }
.body-sec p { font-size: 14.5px; line-height: 1.75; text-align: justify; }
@media (max-width: 820px) {
  .bodygrid { flex-direction: column; gap: 22px; }
}

/* ---- 出典（紙面の一部） ---- */
.sources { margin-top: 26px; border-top: 1.5px solid var(--navy); padding-top: 10px; }
.sources h2 { font-size: 15px; font-weight: 800; letter-spacing: 1px; }
.sources h3 { font-size: 13.5px; font-weight: 700; margin-top: 10px; color: #3a3f4a; }
.source-text { font-size: 12.5px; color: #5a6272; line-height: 1.6; margin-top: 4px; }
.source-links { margin: 4px 0 0 1.4em; font-size: 13.5px; }
.source-links li { margin-top: 2px; }
.source-links a { color: var(--navy); }

/* ---- 週刊不動産情報の紙面（templates/weekly_template.html の意匠を再現） ---- */
.lead-src { margin-top: 6px; font-size: 12.5px; color: var(--ink-soft); }
.sheet-weekly { background: #f6f2e7; color: #16130e; }
.wk-brandbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px 16px;
  flex-wrap: wrap;
  border-bottom: 4px double #16130e;
  padding-bottom: 10px;
}
.wk-masthead { font-size: clamp(21px, 3vw, 29px); font-weight: 800; letter-spacing: 6px; }
.wk-dateline { font-size: 13.5px; color: #4a4335; letter-spacing: 1px; }
.sheet-weekly .metrics { display: flex; flex-wrap: wrap; border-bottom: 1.5px solid #16130e; padding: 12px 0; }
.sheet-weekly .metric { flex: 1 1 170px; text-align: center; border-right: 1px solid #b9ae97; padding: 4px 8px; }
.sheet-weekly .metric:last-child { border-right: none; }
.sheet-weekly .metric .k { font-size: 13px; color: #4a4335; letter-spacing: 1px; }
.sheet-weekly .metric .v { font-size: 24px; font-weight: 700; margin-top: 3px; }
.sheet-weekly .metric .d { font-size: 12px; margin-top: 2px; color: #9a2c1c; font-weight: bold; }
@media (max-width: 720px) {
  .sheet-weekly .metric { flex: 1 1 46%; border-right: none; border-bottom: 1px solid #d9d0bb; padding: 8px; }
  .sheet-weekly .metric:nth-last-child(-n+2) { border-bottom: none; }
}
.wk-grid { display: flex; gap: 28px; padding-top: 18px; }
.wk-col { flex: 1; min-width: 0; }
.wk-col + .wk-col { border-left: 1px solid #b9ae97; padding-left: 28px; }
@media (max-width: 820px) {
  .wk-grid { flex-direction: column; gap: 0; }
  .wk-col + .wk-col { border-left: none; padding-left: 0; }
}
.sheet-weekly .story { margin-bottom: 18px; }
.sheet-weekly .story h2 {
  font-size: 18px;
  font-weight: 800;
  line-height: 1.45;
  padding-bottom: 6px;
  margin-bottom: 8px;
  border-bottom: 1px solid #16130e;
}
.sheet-weekly .story h2 .tag {
  display: inline-block;
  font-size: 12px;
  color: #f6f2e7;
  background: #16130e;
  padding: 2px 8px;
  margin-right: 8px;
  vertical-align: 3px;
  letter-spacing: 2px;
}
.sheet-weekly .story p { font-size: 14.5px; line-height: 1.72; text-align: justify; }
.sheet-weekly .story .src { margin-top: 4px; font-size: 12.5px; color: #6b6353; }
.sheet-weekly .cal { font-size: 14.5px; line-height: 2; }
.sheet-weekly .cal-d {
  display: inline-block;
  min-width: 100px;
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 700;
  color: #9a2c1c;
}
.sheet-weekly .sources { border-top: 1.5px solid #16130e; }
.sheet-weekly .source-text, .sheet-weekly .sources h3 { color: #6b6353; }
.sheet-weekly .source-links a { color: #9a2c1c; }

/* ---- ドル建て不動産の紙面（templates/dollar_template.html の意匠を再現） ---- */
.sheet-dollar { background: #fff1e5; color: #33302e; }
.dl-brandbar {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 6px 14px;
  flex-wrap: wrap;
  border-bottom: 3px double #33302e;
  padding-bottom: 9px;
}
.dl-brand { font-size: clamp(20px, 3vw, 28px); font-weight: 800; letter-spacing: 5px; }
.dl-sub { font-size: 12px; font-weight: 400; letter-spacing: 2px; color: #66605b; margin-left: 12px; }
.dl-dateline { font-size: 13.5px; color: #66605b; letter-spacing: 1px; }
.dl-period { margin-top: 14px; font-size: 14px; letter-spacing: 1.5px; color: #990f3d; font-weight: bold; }
.sheet-dollar .keyrow { border-top: 1.5px solid #33302e; border-bottom: 1px solid #b3a99e; }
.sheet-dollar .key { border-right: 1px solid #d8cabb; }
.sheet-dollar .key .kk { color: #66605b; }
.sheet-dollar .key .kv { color: #33302e; }
.sheet-dollar .key .kd { color: #990f3d; }
@media (max-width: 720px) {
  .sheet-dollar .key { border-right: none; border-bottom: 1px solid #d8cabb; }
  .sheet-dollar .key:last-child { border-bottom: none; }
}
.sheet-dollar .chart-title { border-left: none; padding-left: 0; }
.sheet-dollar .gridline { stroke: #d8cabb; }
.sheet-dollar .axis { stroke: #66605b; }
.sheet-dollar .ticktext { fill: #66605b; }
.sheet-dollar .xtext { fill: #4d4741; }
.line-yen { fill: none; stroke: #33302e; stroke-width: 3.5; }
.line-usd { fill: none; stroke: #990f3d; stroke-width: 3.5; }
.line-yen2 { fill: none; stroke: #8a8378; stroke-width: 2; stroke-dasharray: 7 5; }
.line-usd2 { fill: none; stroke: #c4798e; stroke-width: 2; stroke-dasharray: 7 5; }
.lbl { font-family: var(--sans); font-size: 15px; font-weight: 700; }
.lbl.yen { fill: #33302e; }
.lbl.usd { fill: #990f3d; }
.lbl.yen2 { fill: #8a8378; }
.lbl.usd2 { fill: #c4798e; }
.dl-tablewrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.sheet-dollar table { min-width: 640px; margin-top: 12px; font-size: 13.5px; }
.sheet-dollar th { color: #66605b; border-top: 1.5px solid #33302e; border-bottom: 1px solid #33302e; }
.sheet-dollar td { border-bottom: 1px solid #d8cabb; }
.sheet-dollar td.usd { color: #990f3d; font-weight: 700; }
.sheet-dollar .bodygrid { margin-top: 20px; }
.sheet-dollar .bcol { flex: 1; }
.sheet-dollar .bcol h2 {
  font-size: 16px;
  font-weight: 800;
  padding-bottom: 5px;
  border-bottom: 1px solid #33302e;
  margin-bottom: 7px;
}
.sheet-dollar .bcol p { font-size: 14.5px; line-height: 1.72; text-align: justify; }
.sheet-dollar .sources { border-top: 3px double #33302e; }
.sheet-dollar .source-text, .sheet-dollar .sources h3 { color: #66605b; }
.sheet-dollar .source-links a { color: #990f3d; }

/* ---- 前号・次号ナビ ---- */
.issue-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin-top: 26px;
  padding-top: 14px;
  border-top: 1px dashed rgba(41, 39, 40, .4);
  font-size: 14.5px;
}
.issue-nav a { color: var(--navy); text-decoration: none; }
.issue-nav a:hover { color: var(--vermilion); text-decoration: underline; }
.issue-nav .up { margin-left: auto; margin-right: auto; }

/* ---- 一覧（トップ・シリーズ索引） ---- */
.intro p { font-size: 16px; color: #463f36; }
.latest, .series-section, .issues { margin-top: 44px; }
.section-title {
  display: flex;
  align-items: baseline;
  gap: 14px;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: .1em;
  border-bottom: 2px solid var(--ink);
  padding-bottom: 10px;
  margin-bottom: 8px;
}
.section-title .en { font-family: var(--sans); font-size: 11px; font-weight: 800; letter-spacing: .34em; color: var(--vermilion); }
.issue-list { list-style: none; }
.issue-item { border-bottom: 1px solid rgba(41, 39, 40, .28); padding: 15px 0; }
.issue-month { font-size: 13px; color: var(--ink-soft); letter-spacing: 1px; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.item-series { color: #fdfdfa; background: var(--navy); padding: 1px 10px 2px; font-size: 12px; }
.issue-item h3 { font-size: 18px; font-weight: 800; line-height: 1.55; margin-top: 5px; }
.issue-item h3 a { text-decoration: none; color: var(--ink); }
.issue-item h3 a:hover { color: var(--vermilion); text-decoration: underline; text-underline-offset: .25em; }
.excerpt { font-size: 14px; color: #55503f; margin-top: 4px; }
.empty { color: var(--ink-soft); font-size: 14.5px; }

.page-kicker { font-family: var(--sans); font-size: 11px; font-weight: 800; letter-spacing: .34em; color: var(--vermilion); }
.page-head { margin-top: 20px; }
.page-head h1 { font-size: clamp(22px, 4vw, 30px); font-weight: 800; letter-spacing: .06em; margin-top: 6px; }
.series-desc { margin-top: 8px; max-width: 46em; font-size: 15px; color: #463f36; }
.series-freq { margin-top: 2px; font-size: 13px; color: var(--ink-soft); }

.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 18px; margin-top: 14px; }
.card {
  background: rgba(253, 250, 240, .88);
  border: 1.5px solid rgba(41, 39, 40, .6);
  box-shadow: 0 6px 16px rgba(41, 39, 40, .10);
  padding: 16px 18px 14px;
}
.card h3 { font-size: 17px; font-weight: 800; letter-spacing: .04em; }
.card h3 a { text-decoration: none; color: var(--ink); }
.card h3 a:hover { color: var(--vermilion); }
.card-freq { font-family: var(--sans); font-size: 11.5px; color: var(--ink-soft); margin-top: 3px; letter-spacing: .06em; }
.card-desc { font-size: 13.5px; color: #463f36; margin-top: 8px; line-height: 1.65; }
.card-latest { font-size: 13px; margin-top: 10px; }

/* ---- about・404 ---- */
.about { margin-top: 20px; }
.about h1 { font-size: clamp(22px, 4vw, 30px); font-weight: 800; margin-top: 6px; }
.about h2 { font-size: 17px; font-weight: 800; border-left: 6px solid var(--vermilion); padding-left: 10px; margin: 26px 0 8px; }
.about p { margin-top: 10px; font-size: 15px; }
.about ul { margin: 6px 0 0 1.5em; font-size: 15px; }
.about li { margin-top: 4px; }
.about-note { color: var(--ink-soft); font-size: 13.5px; }

/* ---- フッター ---- */
.site-footer { position: relative; z-index: 1; border-top: 2px solid var(--ink); margin-top: 40px; background: rgba(239, 228, 203, .82); }
.site-footer-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 22px 22px 14px;
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.footer-copy { flex: 1 1 420px; }
.footer-links { font-size: 13.5px; letter-spacing: .04em; }
.footer-links a { color: var(--ink); }
.footer-note { margin-top: 6px; font-size: 12.5px; color: var(--ink-soft); }
.footer-sun { width: clamp(120px, 14vw, 170px); height: auto; margin-left: auto; }
.footer-bar {
  background: var(--ink);
  color: var(--paper);
  text-align: center;
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: .3em;
  padding: 10px 14px;
}