/* Blue Mile 仮デザイン 2026-10-28
   手本: takashiro.com（写真を横長のシネスコに切って、文字は小さく静かに置く）
   Ghost の Source テーマのクラス名（gh-*）に寄せてある。
   切り抜きの比率は --crop の1行で変えられる（4:3にするなら 4 / 3）。
   記事カードは PC・スマホとも1列（2026-10-28 改）。 */

:root {
  --crop: 2.39 / 1;          /* 高城サイトの実測 2400×1005 ≒ 2.39:1 */
  --bg: #fafafa;             /* 高城サイトと同じ地の色 */
  --surface: #ffffff;
  --ink: #0a0a0a;
  --muted: rgba(0, 0, 0, .5);
  --line: #e5e5e5;
  --accent: #1f5fbf;         /* 差し色の青（10/29 羊さん：モノクロ＋青の差し色）。Ghost のアクセント色に入れる値 */
  --green: rgba(0, 0, 0, .5); /* 10/29 モノクロ化で緑はやめた */
  --ph: #d9d9d9;             /* 写真待ちの灰色 */
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Hiragino Sans", "Noto Sans JP", sans-serif;
  --wrap: 80rem;             /* 1280px */
  --read: 40rem;             /* 本文の幅 640px */
  --pad: 1rem;
  --gap: 1rem;
}
@media (min-width: 640px) { :root { --pad: 1.5rem; --gap: 1.5rem; } }
@media (min-width: 1024px) { :root { --pad: 2rem; --gap: 2rem; } }

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: var(--font); font-size: 16px; line-height: 1.7;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; height: auto; }
.gh-inner { max-width: var(--wrap); margin: 0 auto; padding: 0 var(--pad); }

/* ---- ヘッダー（Source: Logo on the left） ---- */
.gh-head {
  position: sticky; top: 0; z-index: 50;
  background: rgba(250, 250, 250, .95); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.gh-head-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 1rem; }
.gh-head-logo { font-weight: 700; font-size: 1.125rem; letter-spacing: .08em; color: var(--ink); white-space: nowrap; }
.gh-head-menu { display: flex; gap: 1.5rem; margin: 0; padding: 0; list-style: none; font-size: .8125rem; }
.gh-head-menu a { color: var(--muted); }
.gh-head-menu a:hover, .gh-head-menu a[aria-current="page"] { color: var(--ink); }
@media (max-width: 760px) {
  .gh-head-inner { height: auto; flex-direction: column; align-items: flex-start; padding-top: .75rem; padding-bottom: .5rem; gap: .25rem; }
  .gh-head-menu { gap: 1rem; overflow-x: auto; white-space: nowrap; width: 100%; padding-bottom: .25rem; font-size: .75rem; }
}

/* ---- 写真の枠（シネスコ切り） ---- */
.cine { position: relative; aspect-ratio: var(--crop); overflow: hidden; background: var(--ph); margin: 0; }
.cine img { width: 100%; height: 100%; object-fit: cover; object-position: center; }
.ph {                                   /* 写真待ち */
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  color: rgba(0, 0, 0, .45); font-size: .75rem; letter-spacing: .1em;
  background: repeating-linear-gradient(135deg, #dcdcdc 0 12px, #d4d4d4 12px 24px);
}

/* ---- トップのヒーロー（Source: Landing ＋ 表紙画像） ---- */
.site-hero { padding-top: 1rem; }
@media (min-width: 640px) { .site-hero { padding-top: 1.5rem; } }
.site-hero .cine { aspect-ratio: var(--crop); }
@media (max-width: 640px) { .site-hero .cine { aspect-ratio: 16 / 9; } } /* スマホは少し背を高く */
.site-lead { padding: 2.5rem 0 1rem; }
.site-lead h1 { margin: 0; font-size: clamp(1.6rem, 4vw, 2.5rem); font-weight: 700; letter-spacing: .04em; line-height: 1.35; }
.site-lead p { margin: 1rem 0 0; max-width: 36rem; color: rgba(0, 0, 0, .7); font-size: .9375rem; line-height: 1.9; }

/* ---- 見出し ---- */
.gh-container-title {
  display: flex; align-items: baseline; justify-content: space-between;
  margin: 3rem 0 1.25rem; padding-top: 1.25rem; border-top: 1px solid var(--line);
  font-size: .8125rem; font-weight: 600; letter-spacing: .14em;
}
.gh-container-title a { font-weight: 400; letter-spacing: 0; color: var(--muted); }

/* ---- 記事カード（post-card） ---- */
/* PCもスマホも1列。写真を幅いっぱいに大きく見せ、文字は写真の下 */
.gh-feed { display: grid; grid-template-columns: 1fr; gap: 2.5rem; }
@media (min-width: 760px) { .gh-feed { gap: 3.5rem; } }
@media (min-width: 760px) { .gh-card-title { font-size: 1.25rem; } .gh-card-excerpt { font-size: .875rem; } }
.gh-card-link { display: block; }
.gh-card-link:hover .cine img { opacity: .85; }
.gh-card-wrapper { padding-top: .75rem; }
.gh-card-tag { font-size: .6875rem; letter-spacing: .12em; color: var(--muted); }
.gh-card-tag.is-offgrid { color: var(--green); }
.gh-card-title { margin: .25rem 0 0; font-size: 1.0625rem; font-weight: 700; line-height: 1.5; }
.gh-card-excerpt { margin: .375rem 0 0; color: rgba(0, 0, 0, .6); font-size: .8125rem; line-height: 1.7;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.gh-card-date { display: block; margin-top: .375rem; font-size: .6875rem; color: var(--muted); }

/* ---- 生活設計ノートの案内帯 ---- */
.note-band {
  display: grid; gap: 1rem; margin-top: 3rem; padding: 1.75rem;
  background: var(--surface); border: 1px solid var(--line);
}
@media (min-width: 760px) { .note-band { grid-template-columns: 1fr auto; align-items: center; padding: 2rem 2.5rem; } }
.note-band .k { font-size: .6875rem; letter-spacing: .14em; color: var(--accent); }
.note-band h2 { margin: .25rem 0 .5rem; font-size: 1.125rem; line-height: 1.5; }
.note-band p { margin: 0; font-size: .8125rem; color: rgba(0, 0, 0, .65); }
.badge {
  display: inline-block; padding: .375rem .875rem; border: 1px solid var(--accent);
  color: var(--accent); font-size: .75rem; letter-spacing: .1em; white-space: nowrap;
}
.btn-line { display: inline-block; padding: .5rem 1rem; border: 1px solid var(--ink); font-size: .8125rem; }

/* ---- カテゴリの入口 ---- */
.cats { display: grid; gap: var(--gap); grid-template-columns: 1fr; }
@media (min-width: 760px) { .cats { grid-template-columns: repeat(3, 1fr); } }
.cat { display: block; padding: 1.5rem; background: var(--surface); border: 1px solid var(--line); }
.cat .k { font-size: .6875rem; letter-spacing: .14em; color: var(--muted); }
.cat.is-offgrid .k { color: var(--green); }
.cat h3 { margin: .25rem 0 .5rem; font-size: 1rem; }
.cat p { margin: 0; font-size: .8125rem; color: rgba(0, 0, 0, .6); }

/* ---- 一覧ページ（tag.hbs） ---- */
.tag-head { padding: 3rem 0 1rem; }
.tag-head .k { font-size: .6875rem; letter-spacing: .14em; color: var(--muted); }
.tag-head h1 { margin: .25rem 0 .75rem; font-size: clamp(1.5rem, 3vw, 2rem); }
.tag-head p { margin: 0; max-width: 36rem; font-size: .9375rem; color: rgba(0, 0, 0, .7); line-height: 1.9; }
.tag-head.is-offgrid .k { color: var(--green); }

/* ---- 記事ページ（post.hbs）／固定ページ（page.hbs） ---- */
.gh-article { max-width: 64rem; margin: 0 auto; padding: 2rem var(--pad) 3rem; }
.gh-article-image { margin: 0 0 .5rem; }
.gh-article-meta { display: flex; justify-content: space-between; font-size: .75rem; color: var(--muted); }
.gh-article-header { max-width: var(--read); margin: 2rem auto 0; }
.gh-article-title { margin: .25rem 0 0; font-size: clamp(1.5rem, 3vw, 1.875rem); font-weight: 700; line-height: 1.45; }
.gh-content { max-width: var(--read); margin: 2rem auto 0; font-size: 17px; line-height: 1.9; }
.gh-content p { margin: 0; }
.gh-content p + p { margin-top: 1.5rem; }
.gh-content h2 { margin: 2.5rem 0 1rem; font-size: 1.1875rem; }
.gh-content ul { padding-left: 1.25rem; }
.gh-content li + li { margin-top: .5rem; }
.gh-content figure { margin: 2.5rem 0; }
.gh-content .sign { margin-top: 2rem; text-align: right; color: rgba(0, 0, 0, .6); }
.gh-content .note-meta { margin: 1.5rem 0; padding: 1rem 1.25rem; background: var(--surface); border: 1px solid var(--line); font-size: .875rem; }
.gh-content .note-meta div + div { margin-top: .25rem; }

/* ---- ニュースレター（Source の footer signup） ---- */
.gh-signup { margin-top: 4rem; padding: 3.5rem var(--pad); background: var(--surface); border-top: 1px solid var(--line); text-align: center; }
.gh-signup h3 { margin: 0 0 .5rem; font-size: 1rem; font-weight: 600; letter-spacing: .14em; }
.gh-signup p { margin: 0 auto 1.5rem; max-width: 30rem; font-size: .8125rem; color: var(--muted); }
.gh-signup .form { display: flex; justify-content: center; gap: .5rem; max-width: 26rem; margin: 0 auto; }
.gh-signup input { flex: 1; min-width: 0; padding: .625rem .75rem; border: 1px solid var(--line); font: inherit; font-size: .8125rem; background: #f5f5f5; }
.gh-signup button { padding: .625rem 1rem; border: 0; background: #bdbdbd; color: #fff; font: inherit; font-size: .8125rem; }

/* ---- フッター ---- */
.gh-foot { padding: 2rem var(--pad) 3rem; text-align: center; font-size: .6875rem; color: var(--muted); }
.gh-foot nav { display: flex; flex-wrap: wrap; justify-content: center; gap: 1rem; margin-bottom: 1rem; }
.draft-note { color: #b00020; }

.site-lead .sub{font-size:1.15em;margin:.2em 0 .8em;letter-spacing:.04em;color:#0A0A0A}

/* ---- 10/29 モノクロ＋青の差し色：青を使うのは「今いるメニューの下線」「ノートの案内」「本文のリンク」「サブコピー前の短い線」だけ ---- */
.gh-head-menu a[aria-current="page"] { color: var(--ink); box-shadow: inset 0 -2px 0 var(--accent); }
.site-lead .sub::before { content: ""; display: block; width: 2.5rem; height: 2px; background: var(--accent); margin: .9rem 0 .7rem; }
.gh-content a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }

/* ==== 10/29 スタイリッシュ版（羊さんの参考画像：白黒写真に太い大見出し。赤→青、ロゴは水色） ====
   写真はすべて CSS で白黒（元の画像ファイルはそのまま）。
   色：ロゴ #3B9AE1（水色）／大見出し #2F7DE1（青）／リンク・下線 #1f5fbf（深い青）。ほかは黒・白・灰だけ。 */
:root { --sky: #3b9ae1; --blue: #2f7de1; --font-heavy: "Noto Sans JP", "Hiragino Sans", "Noto Sans CJK JP", sans-serif; }
body { font-family: "Noto Sans JP", var(--font); }
.cine img { filter: grayscale(1) contrast(1.05); }
.gh-head-logo { color: var(--sky); font-family: "Inter", var(--font); font-weight: 800; letter-spacing: .14em; }

/* ---- ポスター風ヒーロー ---- */
.poster { position: relative; }
.poster .cine { aspect-ratio: 2.39 / 1; }
.poster .cine img { filter: grayscale(1) contrast(1.15) brightness(.78); }
.poster .cine::after {                     /* 文字側を少し暗くして読みやすく */
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(0,0,0,0) 35%, rgba(0,0,0,.55) 100%);
}
.poster-text {
  position: absolute; top: 1.5rem; right: 0; bottom: 0; width: 56%;
  display: flex; flex-direction: column; justify-content: center; align-items: flex-end;
  padding: 2.5rem clamp(1.5rem, 4vw, 3.5rem); text-align: right;
}
@media (min-width: 640px) { .poster-text { top: 1.5rem; } }
.poster-title {
  margin: 0; font-family: var(--font-heavy); font-weight: 900; color: var(--blue);
  font-size: clamp(2.2rem, 5.2vw, 5rem); line-height: 1.12; letter-spacing: -.01em;
  text-shadow: 0 2px 24px rgba(0,0,0,.25);
}
.poster-title span { display: block; white-space: nowrap; }
.poster-sub { margin: 1.25rem 0 0; color: #fff; font-weight: 700; font-size: clamp(.95rem, 1.4vw, 1.25rem); letter-spacing: .08em; }
.poster-label {
  position: absolute; top: 2.75rem; left: 1.75rem; color: #fff;
  font-family: "Inter", var(--font); font-weight: 500; font-size: .6875rem; letter-spacing: .32em;
}
.poster-text .poster-label { position: static; margin-bottom: 1rem; }
.poster-label-b { top: auto; bottom: 1.25rem; left: auto; right: clamp(1.5rem, 4vw, 3.5rem); opacity: .8; }
.site-lead { padding-top: 2rem; }

/* スマホ：写真を縦長にしてポスターのように */
@media (max-width: 640px) {
  .poster .cine { aspect-ratio: 4 / 5; }
  .poster .cine img { object-position: 30% center; }
  .poster .cine::after { background: linear-gradient(180deg, rgba(0,0,0,.1) 0%, rgba(0,0,0,0) 40%, rgba(0,0,0,.6) 100%); }
  .poster-text { top: auto; left: 0; width: auto; align-items: flex-start; text-align: left; padding: 1.25rem 1.25rem 3rem; }
  .poster-title { font-size: clamp(2rem, 9.4vw, 2.6rem); }
  .poster-sub { margin-top: .75rem; font-size: .9375rem; }
  .poster-label-b { left: 1.25rem; right: auto; bottom: 1.1rem; }
}

/* 調整（1回目の確認後）：ヒーローを画面の端まで、見出しをもっと大きく・明るい青に */
:root { --blue: #2e8bff; }
.site-hero.poster { padding-top: 0; margin-left: calc(50% - 50vw); margin-right: calc(50% - 50vw); }
.poster .cine { aspect-ratio: auto; height: min(calc(100vh - 64px), 46vw); min-height: 520px; }
.poster .cine::after { background: linear-gradient(90deg, rgba(0,0,0,.05) 30%, rgba(0,0,0,.62) 100%); }
.poster-text { top: 0; width: 62%; padding-right: clamp(1.5rem, 6vw, 6rem); }
.poster-title { font-size: clamp(2.4rem, 5.6vw, 5.75rem); line-height: 1.08; text-shadow: 0 2px 30px rgba(0,0,0,.35); }
.poster-label { top: 1.75rem; left: clamp(1.5rem, 6vw, 6rem); }
.poster-label-b { right: clamp(1.5rem, 6vw, 6rem); bottom: 1.75rem; }
@media (max-width: 640px) {
  .poster .cine { height: auto; min-height: 0; aspect-ratio: 4 / 5; }
  .poster .cine::after { background: linear-gradient(180deg, rgba(0,0,0,.15) 0%, rgba(0,0,0,0) 30%, rgba(0,0,0,.72) 100%); }
  .poster-text { width: auto; padding: 1.25rem 1.25rem 3.25rem; }
  .poster-title { font-size: clamp(2rem, 10vw, 2.75rem); }
  .poster-label-b { left: 1.25rem; bottom: 1.25rem; }
}
.poster-label-b { top: auto; }
@media (max-width: 640px) { .poster-text { top: auto; } }
@media (min-width: 641px) { .poster-label-b { left: auto; } .poster-text { width: 58%; } }
.gh-article-title { font-weight: 900; letter-spacing: -.005em; }

/* ==== 10/29 参考記事（wkwkdesign「白黒＋1色」）を反映 ====
   ・写真と文字は白黒、差し色は青1色だけ（ロゴの水色は羊さん指定でそのまま）
   ・青は「表紙の大見出し」と「ニュースレターの帯（青い地に白文字）」の2か所で大きく使い、ほかは細い下線だけ
   ・余白を広めにして、白黒のメリハリを強く */
:root { --blue: #2277f0; --accent: #2277f0; }
.gh-content a { color: var(--ink); text-decoration-color: var(--blue); text-decoration-thickness: 2px; }
.note-band .k { color: var(--ink); font-weight: 700; }
.badge { border-color: var(--ink); color: var(--ink); }
.note-band { background: var(--surface); border: 0; border-top: 3px solid var(--ink); }
.gh-container-title { margin-top: 4.5rem; border-top: 3px solid var(--ink); font-weight: 800; }
.gh-feed { gap: 3rem; }
@media (min-width: 760px) { .gh-feed { gap: 4.5rem; } }
.gh-card-title { font-weight: 800; }
.cat { border: 0; border-top: 3px solid var(--ink); background: transparent; padding: 1.25rem 0 0; }
.cat h3 { font-weight: 800; }

/* ニュースレター：青1色の地に白文字（記事の「1色カラー背景＋白黒」） */
.gh-signup { margin-top: 6rem; background: var(--blue); color: #fff; border: 0; padding: 4.5rem var(--pad); }
.gh-signup h3 { font-family: "Inter", var(--font); font-weight: 800; font-size: clamp(1.75rem, 4vw, 2.75rem); letter-spacing: .06em; }
.gh-signup p { color: rgba(255,255,255,.9); font-size: .9375rem; }
.gh-signup input { background: #fff; border: 0; }
.gh-signup button { background: var(--ink); color: #fff; }
.gh-foot { background: var(--ink); color: rgba(255,255,255,.6); padding-top: 2.5rem; }
.gh-foot a { color: #fff; }
.draft-note { color: #ff8a80; }
@media (max-width: 640px) { .poster .cine::after { background: linear-gradient(180deg, rgba(0,0,0,.15) 0%, rgba(0,0,0,.1) 25%, rgba(0,0,0,.8) 75%, rgba(0,0,0,.85) 100%); } }

/* ==== 10/29 大ロゴ版（羊さん：見出しを大きく色付けするのはやめ、白黒写真に大きな BLUE MILE を青の透かしで） ==== */
:root { --logo-blue: #2277f0; }
.site-hero.cover { position: relative; padding-top: 0; margin-left: calc(50% - 50vw); margin-right: calc(50% - 50vw); overflow: hidden; background: #111; isolation: isolate; }
.cover .cine { aspect-ratio: auto; height: max(560px, calc(100vh - 64px)); }
.cover .cine img { filter: grayscale(1) contrast(1.2) brightness(.92); }
.cover-grain {                            /* うっすら網点 */
  position: absolute; inset: 0; pointer-events: none; opacity: .22; mix-blend-mode: multiply;
  background-image: radial-gradient(circle at center, #000 0 1px, transparent 1.4px);
  background-size: 4px 4px;
}
.cover-label {
  position: absolute; top: 1.75rem; z-index: 2; color: #fff;
  font-family: "Inter", var(--font); font-weight: 800; font-size: .6875rem; letter-spacing: .3em;
}
.cover-label-tl { left: clamp(1.25rem, 4vw, 3.5rem); }
.cover-label-tr { right: clamp(3.25rem, 6vw, 6rem); font-weight: 500; }
.cover-vert {
  position: absolute; top: 1.75rem; right: clamp(1rem, 2vw, 1.75rem); z-index: 2;
  writing-mode: vertical-rl; color: #fff; font-family: "Inter", var(--font); font-weight: 500;
  font-size: .75rem; letter-spacing: .35em;
}
.cover-vert b { font-weight: 900; }
.cover-bottom { position: absolute; left: 0; right: 0; bottom: 0; z-index: 1; padding: 0 clamp(1.25rem, 4vw, 3.5rem); }
.cover-catch { margin: 0 0 .75rem; color: #fff; font-size: .8125rem; font-weight: 700; letter-spacing: .14em; position: relative; z-index: 2; }
.cover-logo {
  margin: 0 0 -.11em; font-family: "Anton", "Inter", sans-serif; font-weight: 400; text-transform: uppercase;
  font-size: 23.4vw; line-height: .86; letter-spacing: -.005em; white-space: nowrap;
  color: var(--logo-blue); mix-blend-mode: multiply; opacity: .95;
}
.cover-logo span { display: inline; }
@media (max-width: 640px) {
  .cover .cine { height: auto; aspect-ratio: 3 / 4; }
  .cover .cine img { object-position: 30% center; }
  .cover-logo { font-size: 50vw; line-height: .84; }
  .cover-logo span { display: block; }
  .cover-label-tr { display: none; }
  .cover-catch { font-size: .75rem; }
}
.cover-bottom { z-index: auto; }
/* 調整：写真の下側を暗くして、透かしの青がきれいに出るように。ロゴは下を切らずに全部見せる */
.cover .cine::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(0,0,0,.25) 0%, rgba(0,0,0,0) 22%, rgba(0,0,0,.15) 50%, rgba(0,0,0,.7) 100%); }
.cover .cine img { filter: grayscale(1) contrast(1.15) brightness(.85); }
.cover-grain { opacity: .14; }
.cover-logo { margin: 0; padding-bottom: clamp(1rem, 2.2vw, 2rem); font-size: 22.6vw; line-height: .8; mix-blend-mode: screen; opacity: 1; }
.cover-catch { margin-bottom: 1.1rem; }
/* 決定：#2277F0 を screen で重ねる（白い所は明るい水色、暗い所は濃い青になり、写真が透ける） */
:root { --logo-blue: #2277f0; }
.cover-catch { margin-bottom: 1.4rem; }
.gh-head-logo { font-family: "Anton", "Inter", sans-serif; font-weight: 400; font-size: 1.375rem; letter-spacing: .06em; }
.cover-logo { font-size: 24.4vw; }
@media (max-width: 640px) {
  .cover-logo { font-size: 55vw; line-height: .8; padding-bottom: 1.1rem; }
  .cover-catch { font-size: .75rem; margin-bottom: 1rem; }
}
@media (max-width: 640px) {
  .cover .cine { aspect-ratio: 2 / 3; }
  .cover-logo { font-size: 48vw; }
  .cover-vert { font-size: .625rem; right: .875rem; }
  .cover-label-tl { font-size: .625rem; }
}
@media (max-width: 640px) {
  .cover .cine::after { background: linear-gradient(180deg, rgba(0,0,0,.3) 0%, rgba(0,0,0,.05) 18%, rgba(0,0,0,.55) 45%, rgba(0,0,0,.72) 100%); }
  .cover-catch { margin-bottom: 1.4rem; }
}

/* ==== 10/29 v5（控えめ版）：大ロゴ版のまま、ラベルと縦書きを外し、ロゴを少しだけ大きく。スマホの2段が重ならないように ==== */
.cover-bottom { padding: 0 clamp(1rem, 3vw, 3rem); }
.cover-logo { font-size: 26.6vw; letter-spacing: -.005em; padding-bottom: 0; margin-bottom: -.035em; }
.cover-catch { margin-bottom: 1.6rem; }
@media (max-width: 640px) {
  .cover-bottom { padding: 0 1.25rem; }
  .cover-logo { font-size: 53vw; line-height: .9; margin-bottom: -.03em; }
  .cover-logo span + span { margin-top: .02em; }
  .cover-catch { margin-bottom: 1.2rem; }
}
@media (min-width: 641px) {
  .cover-bottom { padding: 0 2.4vw; }
  .cover-logo { font-size: 26vw; letter-spacing: -.01em; word-spacing: -.06em; }
  .cover-catch { padding-left: .6vw; }
}
@media (max-width: 640px) { .cover-logo { font-size: 52vw; } }
@media (min-width: 641px) { .cover-logo { word-spacing: -.03em; } .cover-catch { margin-bottom: 2.1rem; } }
@media (min-width: 641px) { .cover-catch { margin-bottom: 3.2rem; } }

/* ==== 11/02 全体プレビュー用（v5のデザインはそのまま。足したのは下だけ） ==== */
.page-id {                       /* ページ番号：右下に小さく固定 */
  position: fixed; right: .5rem; bottom: .5rem; z-index: 100;
  padding: .15rem .45rem; background: rgba(10,10,10,.78); color: #fff;
  font-family: "Inter", var(--font); font-weight: 800; font-size: .6875rem; letter-spacing: .08em; border-radius: 2px;
}
.signup-more { color: #fff; text-decoration: underline; margin-left: .5em; }
@media (min-width: 1024px) { .cats.cats-4 { grid-template-columns: repeat(4, 1fr); } }
@media (min-width: 760px) and (max-width: 1023px) { .cats.cats-4 { grid-template-columns: repeat(2, 1fr); } }
.gh-article-meta a { color: var(--muted); }
.archive { list-style: none; margin: 0; padding: 0; }
.archive li { display: grid; grid-template-columns: 6.5rem 5.5rem 1fr; gap: .75rem; padding: .75rem 0; border-bottom: 1px solid var(--line); font-size: .9375rem; align-items: baseline; }
.archive time, .archive .arc-tag { font-size: .6875rem; letter-spacing: .12em; color: var(--muted); }
.archive .arc-title { font-weight: 700; }
.archive .arc-title:hover { box-shadow: inset 0 -2px 0 var(--accent); }
@media (max-width: 640px) { .archive li { grid-template-columns: 5.5rem 1fr; } .archive .arc-title { grid-column: 1 / -1; } }
.pager { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-top: 3.5rem; border-top: 3px solid var(--ink); padding-top: 1.25rem; }
.pager-item { display: block; }
.pager-item.next { text-align: right; }
.pager-k { display: block; font-size: .6875rem; letter-spacing: .1em; color: var(--muted); }
.pager-t { display: block; margin-top: .25rem; font-size: .9375rem; font-weight: 700; line-height: 1.5; }
a.pager-item:hover .pager-t { box-shadow: inset 0 -2px 0 var(--accent); }
.pager-item.is-empty .pager-t { color: var(--muted); font-weight: 400; }
.gh-content .pager a { text-decoration: none; color: var(--ink); }
.muted { color: var(--muted); font-size: .875rem; }
.draft-flag { max-width: var(--read); margin: 1.5rem auto 0; padding: .75rem 1rem; border: 2px solid var(--accent); color: var(--accent); font-size: .8125rem; font-weight: 700; }
.note-lead { font-weight: 700; }
.toc { padding-left: 1.5rem; }
.toc li + li { margin-top: .35rem; }
.buy { margin-top: 2.5rem; padding-top: 1.5rem; border-top: 3px solid var(--ink); text-align: center; }
.btn-buy { padding: .9rem 2rem; border: 0; background: #bdbdbd; color: #fff; font: inherit; font-weight: 700; letter-spacing: .06em; cursor: not-allowed; }
.buy-note { margin-top: .75rem !important; font-size: .75rem; color: var(--muted); }
.sm-wrap { overflow-x: auto; }
.sitemap { width: 100%; border-collapse: collapse; font-size: .875rem; }
.sitemap th { text-align: left; font-size: .6875rem; letter-spacing: .12em; color: var(--muted); padding: .5rem .75rem .5rem 0; border-bottom: 1px solid var(--ink); }
.sitemap td { padding: .6rem .75rem .6rem 0; border-bottom: 1px solid var(--line); vertical-align: top; }
.sitemap .sm-id { font-family: "Inter", var(--font); font-weight: 800; white-space: nowrap; }
.sitemap a { font-weight: 700; }
.sitemap a:hover { box-shadow: inset 0 -2px 0 var(--accent); }
.sitemap .sm-memo { color: var(--muted); font-size: .8125rem; }
@media (max-width: 640px) { .sitemap th:nth-child(3), .sitemap td:nth-child(3) { display: none; } }
.sm-tree { padding-left: 1.25rem; font-size: .9375rem; line-height: 1.9; }
.sm-tree a { text-decoration: underline; text-decoration-color: var(--accent); text-decoration-thickness: 2px; text-underline-offset: 3px; }