/*
Theme Name: HIDANE
Theme URI: https://strativ-marketing.com/media/
Author: STRATiV
Description: マーケティングの知識を、事業を動かす火種へ。STRATiVが運営するマーケティング情報サイト「火種」のオリジナルテーマ（アイボリー×ブラック×ゴールドのエディトリアルデザイン）。
Version: 3.5.8
*/

/* ─── Variables ─────────────────────────────────────────────────── */
:root {
  --bg:      #F6F2E9;   /* クリーム地 */
  --white:   #FFFFFF;
  --black:   #12100C;   /* ヘッダー・フッター・特集帯 */
  --ink:     #1A1712;   /* 見出し・本文の黒 */
  --ink-2:   #57503F;   /* 本文グレー（weight 500以上で使用） */
  --muted:   #8D8674;   /* 補足・日付 */
  --gold:    #B8892E;   /* 線・リンク・矢印 */
  --chip:    #F1C24F;   /* カテゴリチップ */
  --line:    #E7DFCE;   /* 罫線 */
  --font:    'Inter', 'Noto Sans JP', 'Hiragino Sans', sans-serif;
  --radius:  6px;
  --max:     1140px;
  --gutter:  24px;
}

/* ─── Reset ──────────────────────────────────────────────────────── */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { font-family: var(--font); background: var(--bg); color: var(--ink); -webkit-font-smoothing: antialiased; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
button { font-family: inherit; }
::selection { background: var(--chip); color: var(--black); }

.inner { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }

/* ─── Header ─────────────────────────────────────────────────────── */
.site-header { position: sticky; top: 0; z-index: 300; }
.brand-bar {
  background: var(--black);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 28px;
  padding: 0 var(--gutter);
  min-height: 56px;
}
.brand-link { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.brand-mark {
  width: 70px;
  height: auto;
  flex: 0 0 70px;
  object-fit: contain;
}
.brand-tagline {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: rgba(255,255,255,0.5);
  margin-left: 6px;
  padding-left: 12px;
  border-left: 1px solid rgba(255,255,255,0.18);
  white-space: nowrap;
}
.brand-tagline-mobile { display: none; }

.cat-nav { display: flex; align-items: center; gap: 2px; flex: 1; min-width: 0; overflow-x: auto; scrollbar-width: none; }
.cat-nav::-webkit-scrollbar { display: none; }
.cat-nav-btn {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: rgba(255,255,255,0.65);
  padding: 8px 12px;
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  transition: color 0.12s;
}
.cat-nav-btn:hover, .cat-nav-btn.active { color: #fff; border-bottom-color: var(--chip); }
.cat-nav-glossary {
  margin-left: 6px;
  padding-left: 16px;
  position: relative;
}
.cat-nav-glossary::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 1px;
  height: 18px;
  background: rgba(255,255,255,0.18);
  transform: translateY(-50%);
}

.header-right { display: flex; align-items: center; gap: 14px; flex-shrink: 0; margin-left: auto; }
.search-toggle {
  background: transparent; border: none; cursor: pointer;
  color: rgba(255,255,255,0.7); padding: 6px; display: flex; align-items: center;
  transition: color 0.15s;
}
.search-toggle svg { width: 21px; height: 21px; }
.search-toggle:hover, .search-toggle[aria-expanded="true"] { color: var(--chip); }
.hamburger {
  display: none;
  width: 38px; height: 38px;
  flex-direction: column; justify-content: center; align-items: center; gap: 5px;
  background: transparent; border: none; cursor: pointer; padding: 0;
}
.hamburger span { width: 22px; height: 2px; background: #fff; display: block; transition: transform 0.25s ease, opacity 0.2s ease; }
.hamburger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.is-open span:nth-child(2) { opacity: 0; }
.hamburger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ─── Menu overlay ───────────────────────────────────────────────── */
.menu-overlay {
  position: fixed; inset: 0; z-index: 250;
  background: var(--black);
  overflow-y: auto;
  display: none;
}
.menu-overlay.is-open { display: flex; flex-direction: column; }
.menu-overlay-inner { min-height: 100vh; display: flex; flex-direction: column; padding: 80px var(--gutter) 40px; max-width: 560px; margin: 0 auto; width: 100%; }
.menu-nav { flex: 1; display: flex; flex-direction: column; justify-content: center; }
.menu-item {
  display: flex; align-items: center; gap: 16px;
  padding: 13px 0;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  cursor: pointer;
}
.menu-item:first-child { border-top: 1px solid rgba(255,255,255,0.07); }
.menu-item:hover .menu-label { color: var(--chip); }
.menu-item:hover .menu-arrow { opacity: 1; }
.menu-num { font-size: 10px; font-weight: 700; color: rgba(255,255,255,0.2); letter-spacing: 0.12em; min-width: 22px; }
.menu-label { font-size: 16px; font-weight: 700; letter-spacing: 0.04em; color: #fff; transition: color 0.15s; flex: 1; }
.menu-arrow { font-size: 14px; color: var(--chip); opacity: 0; transition: opacity 0.15s; flex-shrink: 0; }
.menu-footer { padding-top: 36px; border-top: 1px solid rgba(255,255,255,0.07); margin-top: 36px; }
.menu-strativ-link {
  font-size: 12px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase;
  color: rgba(255,255,255,0.35);
  display: inline-flex; align-items: center; gap: 8px;
  transition: color 0.15s;
}
.menu-strativ-link:hover { color: var(--chip); }
.menu-strativ-link .line { width: 20px; height: 1px; background: currentColor; display: inline-block; flex-shrink: 0; }

/* ─── Layout blocks ──────────────────────────────────────────────── */
.section { max-width: var(--max); margin: 0 auto; padding: 52px var(--gutter); }
.section-inner { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }
.block-head { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; margin-bottom: 22px; }
.block-title {
  font-size: 17px;
  font-weight: 900;
  letter-spacing: 0.04em;
  color: var(--ink);
  padding-left: 12px;
  border-left: 3px solid var(--chip);
  line-height: 1.3;
}
.block-more { font-size: 12.5px; font-weight: 700; color: var(--gold); white-space: nowrap; }
.block-more:hover { opacity: 0.75; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }

/* ─── Chip / meta ────────────────────────────────────────────────── */
.chip {
  display: inline-block;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--black);
  background: var(--chip);
  padding: 3px 10px;
  border-radius: 2px;
  white-space: nowrap;
}
/* 日付とカテゴリを1行に並べる（画像の上に載せると長い名前がはみ出すため） */
.card-meta-top {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}
.badge {
  display: inline-block;
  font-size: 10.5px; font-weight: 700; letter-spacing: 0.04em;
  padding: 3px 10px; border-radius: 2px; white-space: nowrap;
}
.meta { font-size: 11.5px; font-weight: 500; color: var(--muted); letter-spacing: 0.02em; }
.meta-light { color: rgba(255,255,255,0.45); }
.meta-dot { margin: 0 -2px; }

/* ─── Thumb / card ───────────────────────────────────────────────── */
.thumb { position: relative; overflow: hidden; background: var(--bg); }
.thumb img { width: 100%; height: 100%; object-fit: cover; }
.thumb-label {
  position: absolute; bottom: 12px; left: 14px;
  font-size: 22px; font-weight: 800; letter-spacing: 0.02em;
  color: rgba(138,106,30,0.3);
  user-select: none;
}
.thumb-deco {
  position: absolute; top: -24px; right: -24px;
  width: 110px; height: 110px; border-radius: 50%;
  background: rgba(184,137,46,0.12);
}

.card {
  display: flex; flex-direction: column;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.16s ease, box-shadow 0.16s ease, border-color 0.16s;
}
.card:hover { transform: translateY(-3px); box-shadow: 0 10px 28px rgba(26,23,18,0.1); border-color: #D9CDAF; }
.card-thumb { height: 144px; }
.card-body { padding: 14px 16px 16px; display: flex; flex-direction: column; flex: 1; }
.card-badge { margin-bottom: 10px; }
.card-title {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--ink);
  margin-bottom: auto;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card-footer-meta { display: flex; align-items: center; gap: 6px; margin-top: 12px; }
.card-arrow { margin-left: auto; font-size: 13px; color: var(--gold); }

/* ─── Hero section ───────────────────────────────────────────────── */
.hero-section { max-width: var(--max); margin: 0 auto; padding: 32px var(--gutter) 48px; }
.hero-intro {
  position: relative;
  min-height: 326px;
  display: flex;
  align-items: center;
  overflow: hidden;
  margin-bottom: 24px;
  padding: 48px 52px;
  border-radius: 8px;
  background:
    radial-gradient(circle at 84% 20%, rgba(241,194,79,0.12), transparent 28%),
    var(--black);
  color: #fff;
}
.hero-intro::before {
  content: '';
  position: absolute;
  inset: 14px;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 4px;
  pointer-events: none;
}
.hero-intro-copy { position: relative; z-index: 2; max-width: 720px; }
.hero-flame {
  position: absolute;
  z-index: 1;
  right: 7%;
  top: 50%;
  width: 150px;
  height: auto;
  opacity: 0.16;
  transform: translateY(-50%) rotate(5deg);
  pointer-events: none;
}
.hero-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: 24px; align-items: start; scroll-margin-top: 90px; }
.hero-eyebrow-label {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.58);
  margin-bottom: 20px;
}
.hero-eyebrow-label span { color: var(--chip); }
.hero-headline {
  font-size: clamp(28px, 4.2vw, 44px);
  font-weight: 900;
  line-height: 1.35;
  letter-spacing: 0.02em;
  color: #fff;
  margin-bottom: 18px;
}
.hero-headline-mobile { display: none; }
.hero-lede { max-width: 650px; font-size: 14px; font-weight: 500; line-height: 1.9; color: rgba(255,255,255,0.64); }

.feature-card {
  display: block;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.16s ease, box-shadow 0.16s ease;
}
.feature-card:hover { transform: translateY(-3px); box-shadow: 0 12px 32px rgba(26,23,18,0.12); }
.feature-thumb { position: relative; height: 300px; overflow: hidden; background: var(--bg); }
.feature-thumb img { width: 100%; height: 100%; object-fit: cover; }
.feature-body { padding: 18px 22px 20px; }
.feature-title { font-size: 20px; font-weight: 900; line-height: 1.55; color: var(--ink); margin-bottom: 10px; }
.feature-excerpt {
  font-size: 13px; font-weight: 500; line-height: 1.85; color: var(--ink-2);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}

.hero-right { display: flex; flex-direction: column; gap: 20px; }
.side-card {
  display: block;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.16s ease, box-shadow 0.16s ease;
}
.side-card:hover { transform: translateY(-3px); box-shadow: 0 10px 28px rgba(26,23,18,0.1); }
.side-thumb { position: relative; height: 150px; overflow: hidden; background: var(--bg); }
.side-thumb img { width: 100%; height: 100%; object-fit: cover; }
.side-body { padding: 14px 16px 16px; }
.side-title { font-size: 14.5px; font-weight: 700; line-height: 1.6; color: var(--ink); }

/* ─── Theme tiles ────────────────────────────────────────────────── */
.theme-section { padding: 8px 0 8px; }
.theme-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; }
.theme-tile {
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 10px 16px;
  text-align: center;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s;
}
.theme-tile:hover { transform: translateY(-3px); box-shadow: 0 8px 22px rgba(26,23,18,0.09); border-color: #D9CDAF; }
.theme-icon { width: 30px; height: 30px; color: var(--ink); }
.theme-icon svg { width: 100%; height: 100%; }
.theme-name { font-size: 12.5px; font-weight: 700; color: var(--ink); line-height: 1.4; }
.theme-arrow { font-size: 13px; color: var(--gold); }

/* ─── Latest section ─────────────────────────────────────────────── */
.latest-section { padding: 44px 0 52px; }

/* ─── Feature band（特集）─────────────────────────────────────────── */
.feature-band { background: var(--black); color: #fff; }
.feature-band-inner {
  max-width: var(--max); margin: 0 auto;
  padding: 56px var(--gutter);
  display: grid; grid-template-columns: 1.3fr 1fr; gap: 48px; align-items: center;
}
.feature-band-label {
  font-size: 12px; font-weight: 800; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--chip); margin-bottom: 16px;
}
.feature-band-label span { color: rgba(255,255,255,0.4); letter-spacing: 0.08em; text-transform: none; font-weight: 700; }
.feature-band-title { font-size: clamp(20px, 3vw, 28px); font-weight: 900; line-height: 1.5; margin-bottom: 14px; }
.feature-band-excerpt { font-size: 13.5px; font-weight: 500; line-height: 1.9; color: rgba(255,255,255,0.55); margin-bottom: 22px; }
.feature-band-link { font-size: 13px; font-weight: 700; color: var(--chip); }
.feature-band-link:hover { opacity: 0.8; }
.feature-band-visual img { width: 100%; border-radius: var(--radius); }

/* ─── Popular ranking ────────────────────────────────────────────── */
.popular-section { background: var(--white); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 48px 0 52px; }
.rank-list { display: flex; flex-direction: column; }
.rank-item {
  display: flex; align-items: center; gap: 16px;
  padding: 16px 8px;
  border-bottom: 1px solid var(--line);
  transition: background 0.12s;
}
.rank-item:hover { background: var(--bg); }
.rank-num {
  font-size: 15px; font-weight: 800; letter-spacing: 0.04em;
  color: var(--gold); min-width: 34px; line-height: 1;
}
.rank-title { flex: 1; min-width: 0; font-size: 14px; font-weight: 700; line-height: 1.6; color: var(--ink); }
.rank-chip { flex-shrink: 0; }
.rank-date, .rank-min { flex-shrink: 0; }
.rank-arrow { font-size: 13px; color: var(--gold); flex-shrink: 0; }

/* ─── Starter box（はじめての方へ）────────────────────────────────── */
.starter-section { padding: 52px 0 8px; }
.starter-box {
  background: var(--white);
  border: 1.5px solid var(--gold);
  border-radius: var(--radius);
  padding: 26px 28px 24px;
}
.starter-head { display: flex; align-items: center; gap: 10px; margin-bottom: 18px; }
.starter-icon { color: var(--gold); display: flex; }
.starter-title { font-size: 15px; font-weight: 900; letter-spacing: 0.05em; color: var(--ink); }
.starter-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; }
.starter-item {
  display: flex; flex-direction: column; gap: 6px;
  padding: 4px 24px;
  border-left: 1px solid var(--line);
}
.starter-item:first-child { border-left: none; padding-left: 0; }
.starter-item-label { font-size: 11.5px; font-weight: 500; color: var(--muted); }
.starter-item-link { font-size: 14px; font-weight: 700; color: var(--ink); transition: color 0.12s; }
.starter-item:hover .starter-item-link { color: var(--gold); }

/* ─── 火種を描く ─────────────────────────────────────────────────── */
.draw-section { padding: 52px 0 8px; }
.draw-box {
  display: grid; grid-template-columns: 1.4fr 1fr; gap: 32px; align-items: center;
  background: var(--black); color: #fff;
  border-radius: var(--radius);
  padding: 34px 36px;
  transition: opacity 0.16s ease;
}
.draw-box:hover { opacity: 0.92; }
.draw-label { font-size: 10.5px; font-weight: 800; letter-spacing: 0.24em; text-transform: uppercase; color: var(--chip); margin-bottom: 12px; }
.draw-title { font-size: 24px; font-weight: 900; letter-spacing: 0.1em; margin-bottom: 12px; }
.draw-copy { font-size: 13.5px; font-weight: 500; line-height: 1.9; color: rgba(255,255,255,0.6); margin-bottom: 18px; }
.draw-link { font-size: 13px; font-weight: 700; color: var(--chip); }
.draw-visual { color: rgba(241,194,79,0.55); }
.draw-visual svg { width: 100%; height: auto; }

/* ─── 購読導線 ───────────────────────────────────────────────────── */
.subscribe-band { background: var(--white); border-top: 1px solid var(--line); padding: 52px var(--gutter) 56px; text-align: center; }
.subscribe-inner { max-width: 640px; margin: 0 auto; }
.subscribe-label { font-size: 10.5px; font-weight: 800; letter-spacing: 0.24em; text-transform: uppercase; color: var(--gold); margin-bottom: 12px; }
.subscribe-title { font-size: clamp(17px, 2.6vw, 21px); font-weight: 900; letter-spacing: 0.04em; color: var(--ink); margin-bottom: 8px; }
.subscribe-sub { font-size: 13px; font-weight: 500; color: var(--ink-2); margin-bottom: 22px; }
.subscribe-links { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; }
.subscribe-btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12.5px; font-weight: 700; letter-spacing: 0.04em;
  color: #fff; background: var(--ink);
  border: 1.5px solid var(--ink); border-radius: 3px;
  padding: 10px 22px;
  transition: opacity 0.15s;
}
.subscribe-btn:hover { opacity: 0.82; }
.subscribe-btn-ghost { color: var(--ink); background: transparent; }

/* ─── Footer ─────────────────────────────────────────────────────── */
.site-footer { background: var(--black); color: #fff; }
.footer-inner { max-width: var(--max); margin: 0 auto; padding: 56px var(--gutter) 28px; }
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 36px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-logo { display: block; width: 112px; height: auto; object-fit: contain; }
.footer-logo-by { font-size: 10px; font-weight: 700; letter-spacing: 0.24em; color: rgba(255,255,255,0.45); text-transform: uppercase; margin: 6px 0 16px; }
.footer-desc { font-size: 12px; font-weight: 500; line-height: 1.9; color: rgba(255,255,255,0.45); }
.footer-col { display: flex; flex-direction: column; gap: 10px; }
.footer-col-title { font-size: 11.5px; font-weight: 700; letter-spacing: 0.08em; color: rgba(255,255,255,0.85); margin-bottom: 6px; }
.footer-link { font-size: 12px; font-weight: 500; color: rgba(255,255,255,0.45); transition: color 0.12s; }
.footer-link:hover { color: var(--chip); }
.footer-bottom { padding-top: 22px; display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.footer-copy { font-size: 11px; font-weight: 500; color: rgba(255,255,255,0.3); letter-spacing: 0.04em; }
.footer-privacy { font-size: 11px; font-weight: 500; color: rgba(255,255,255,0.3); letter-spacing: 0.04em; transition: color 0.12s; }
.footer-privacy:hover { color: var(--chip); }

/* ─── Single article ─────────────────────────────────────────────── */
.single-hero { background: var(--black); padding: 44px var(--gutter) 48px; }
.single-hero-inner { max-width: 1180px; margin: 0 auto; }
.single-back {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 11.5px; font-weight: 700; letter-spacing: 0.08em;
  color: rgba(255,255,255,0.4);
  margin-bottom: 22px;
  transition: color 0.12s;
}
.single-back:hover { color: var(--chip); }
.single-title {
  max-width: 800px;
  font-size: clamp(25px, 2.6vw, 36px);
  font-weight: 900;
  line-height: 1.5;
  color: #fff;
  margin: 16px 0 18px;
}
.single-meta { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.single-hero-img-band { background: var(--black); }
.single-hero-img-inner { max-width: 1180px; margin: 0 auto; padding: 0 var(--gutter) 40px; }
.single-hero-img-inner img { width: 800px; max-width: 100%; }

.single-body-wrap {
  max-width: 1180px;
  margin: 0 auto;
  padding: 56px var(--gutter) 80px;
  display: grid;
  grid-template-columns: minmax(0, 800px) 300px;
  grid-template-areas:
    "main sidebar"
    "back back";
  column-gap: 40px;
  align-items: start;
}
.single-main { grid-area: main; min-width: 0; }
.entry-content { font-size: 17.5px; font-weight: 500; line-height: 2.05; letter-spacing: 0.012em; color: #2A261E; }
.entry-content h2 {
  font-size: 24px; font-weight: 900; line-height: 1.55;
  margin: 58px 0 22px; padding: 0 0 13px;
  border-bottom: 2px solid var(--ink);
  position: relative;
}
.entry-content h2::after {
  content: ''; position: absolute; left: 0; bottom: -2px;
  width: 64px; height: 2px; background: var(--gold);
}
.entry-content h2:first-child { margin-top: 0; }
.entry-content h3 { font-size: 20px; font-weight: 700; line-height: 1.6; margin: 40px 0 15px; }
.entry-content p { margin: 0 0 26px; }
.entry-content ul, .entry-content ol { margin: 0 0 26px; padding-left: 26px; }
.entry-content li { margin-bottom: 8px; line-height: 1.85; }
.entry-content blockquote { margin: 32px 0; padding: 20px 24px; background: var(--white); border-left: 3px solid var(--gold); color: var(--ink-2); }
.entry-content img { border-radius: var(--radius); margin: 32px 0; }
.entry-content a { color: var(--gold); text-decoration: underline; }
.entry-content .hidane-analogy {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 42px minmax(0, 1fr);
  align-items: stretch;
  margin: 42px 0;
  padding: 24px 0;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--line);
  background: transparent;
}
.entry-content .hidane-analogy__part { min-width: 0; }
.entry-content .hidane-analogy__label,
.entry-content .hidane-analogy__part > .hidane-analogy__label {
  margin: 0 0 9px;
  color: #777169;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.1em;
}
.entry-content .hidane-analogy__part > p:not(.hidane-analogy__label) {
  margin: 0;
  color: var(--ink);
  font-size: 17px;
  font-weight: 600;
  line-height: 1.85;
}
.entry-content .hidane-analogy__part--meaning > .hidane-analogy__label { color: #B71922; }
.entry-content .hidane-analogy__bridge {
  position: relative;
  display: grid;
  place-items: center;
  color: #8A857E;
  font-size: 18px;
}
.entry-content .hidane-analogy__bridge::before {
  content: '';
  position: absolute;
  top: 4px;
  bottom: 4px;
  left: 50%;
  width: 1px;
  background: var(--line);
}
.entry-content .hidane-analogy__bridge span {
  position: relative;
  padding: 5px 0;
  background: var(--paper);
}
.entry-content .hidane-practice {
  margin: 48px 0;
  padding: 24px 0 0;
  border-top: 1px solid var(--ink);
  background: transparent;
}
.entry-content .hidane-practice__label {
  margin: 0 0 8px;
  color: #B71922;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.1em;
}
.entry-content .hidane-practice h2 {
  margin: 0 0 16px;
  padding: 0;
  border: 0;
  font-size: 24px;
}
.entry-content .hidane-practice h2::after { display: none; }
.entry-content .hidane-practice__action-title {
  margin: 24px 0 10px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: #171717;
  font-size: 15px;
  font-weight: 800;
}
.entry-content .hidane-practice ol { margin-bottom: 0; }
.entry-content .hidane-practice li::marker { color: #B71922; font-weight: 800; }
.entry-content table {
  width: 100%; border-collapse: collapse; margin: 0 0 28px;
  font-size: 15px; background: var(--white);
}
.entry-content th, .entry-content td { border: 1px solid var(--line); padding: 10px 14px; text-align: left; line-height: 1.7; }
.entry-content th { background: #F1EADA; font-weight: 700; }

.single-tags { margin-top: 52px; padding-top: 28px; border-top: 1px solid var(--line); }
.single-backtop { grid-area: back; text-align: center; margin-top: 64px; }
.backtop-btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 700; letter-spacing: 0.06em;
  color: var(--ink-2);
  border: 1.5px solid var(--line); border-radius: 99px;
  padding: 10px 24px;
  background: var(--white);
  transition: border-color 0.15s, color 0.15s;
}
.backtop-btn:hover { border-color: var(--gold); color: var(--gold); }

/* 記事サイドバー：PCでは本文の横、タブレット以下では本文の下に配置 */
.single-sidebar { grid-area: sidebar; min-width: 0; }
.single-sidebar-section { margin-bottom: 38px; }
.sidebar-heading {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 0 0 12px; margin-bottom: 2px;
  border-bottom: 2px solid var(--ink);
  position: relative;
}
.sidebar-heading::after {
  content: ''; position: absolute; left: 0; bottom: -2px;
  width: 52px; height: 2px; background: var(--gold);
}
.sidebar-heading-title { font-size: 16px; font-weight: 900; letter-spacing: 0.04em; }
.sidebar-heading-more { font-size: 11px; font-weight: 700; color: var(--muted); transition: color 0.15s; }
.sidebar-heading-more:hover { color: var(--gold); }

.sidebar-feature-card { display: block; border-radius: var(--radius); overflow: hidden; }
.sidebar-feature-visual {
  position: relative; min-height: 210px; overflow: hidden;
  background:
    radial-gradient(circle at 82% 16%, rgba(241,194,79,0.34) 0 16%, transparent 16.5%),
    linear-gradient(145deg, #312B20 0%, #12100C 72%);
}
.sidebar-feature-visual img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 0.35s ease; }
.sidebar-feature-visual.has-image::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(18,16,12,0.12) 0%, rgba(18,16,12,0.92) 100%); }
.sidebar-feature-card:hover img { transform: scale(1.035); }
.sidebar-feature-overlay { position: absolute; z-index: 1; inset: 0; display: flex; flex-direction: column; justify-content: flex-end; padding: 22px; color: #fff; }
.sidebar-feature-label { margin-bottom: 10px; color: var(--chip); font-size: 10.5px; font-weight: 800; letter-spacing: 0.12em; text-transform: uppercase; }
.sidebar-feature-title { font-size: 17px; font-weight: 800; line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.sidebar-feature-more { margin-top: 12px; font-size: 11px; font-weight: 700; color: rgba(255,255,255,0.66); }

.sidebar-story-list { display: flex; flex-direction: column; }
.sidebar-story {
  display: grid; grid-template-columns: 86px minmax(0, 1fr); gap: 12px;
  padding: 15px 0; border-bottom: 1px solid var(--line);
}
.sidebar-story-thumb { height: 66px; border-radius: 4px; overflow: hidden; display: grid; place-items: center; }
.sidebar-story-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.25s ease; }
.sidebar-story-thumb span { padding: 6px; color: rgba(26,23,18,0.55); font-size: 9px; font-weight: 800; letter-spacing: 0.05em; text-align: center; }
.sidebar-story:hover .sidebar-story-thumb img { transform: scale(1.05); }
.sidebar-story-cat { display: block; margin-bottom: 5px; color: var(--gold); font-size: 9.5px; font-weight: 700; }
.sidebar-story-title { font-size: 13px; font-weight: 700; line-height: 1.55; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.sidebar-story:hover .sidebar-story-title { color: var(--gold); }

.sidebar-latest-list { list-style: none; }
.sidebar-latest-list li { border-bottom: 1px solid var(--line); }
.sidebar-latest-item { display: flex; gap: 12px; padding: 14px 0; }
.sidebar-latest-no { flex: 0 0 26px; color: var(--gold); font-size: 11px; font-weight: 800; letter-spacing: 0.08em; }
.sidebar-latest-copy { min-width: 0; display: flex; flex-direction: column; gap: 6px; }
.sidebar-latest-title { font-size: 13px; font-weight: 700; line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.sidebar-latest-date { color: var(--muted); font-size: 10px; font-weight: 500; }
.sidebar-latest-item:hover .sidebar-latest-title { color: var(--gold); }

/* ─── Tags ───────────────────────────────────────────────────────── */
.tag-label { font-size: 10.5px; font-weight: 700; letter-spacing: 0.18em; text-transform: uppercase; color: var(--muted); margin-bottom: 12px; }
.tag-list { display: flex; flex-wrap: wrap; gap: 8px; }
.tag-item {
  font-size: 12px; font-weight: 500; color: var(--ink-2);
  background: var(--white); border: 1px solid var(--line); border-radius: 99px;
  padding: 5px 14px;
  transition: background 0.12s, color 0.12s, border-color 0.12s;
}
.tag-item:hover { background: var(--ink); border-color: var(--ink); color: #fff; }

/* ─── Category archive ───────────────────────────────────────────── */
.archive-header { background: var(--black); color: #fff; padding: 52px var(--gutter) 44px; }
.archive-inner { max-width: var(--max); margin: 0 auto; }
.archive-label { font-size: 11px; font-weight: 800; letter-spacing: 0.26em; text-transform: uppercase; color: var(--chip); margin-bottom: 10px; }
.archive-title { font-size: clamp(26px, 5vw, 40px); font-weight: 900; letter-spacing: 0.02em; }
.archive-count { margin-top: 10px; font-size: 12px; font-weight: 500; color: rgba(255,255,255,0.35); }
.archive-empty { text-align: center; color: var(--muted); padding: 60px 0; font-weight: 500; }

/* ─── 404ページ ──────────────────────────────────────────────────── */
.notfound-search { max-width: 560px; }
.notfound-lead {
  font-size: 13px; font-weight: 700; color: var(--ink);
  margin-bottom: 10px;
}
.notfound-search .search-form { background: var(--white); }

/* ─── Pagination ─────────────────────────────────────────────────── */
.all-pagination {
  display: flex; justify-content: center; align-items: center;
  gap: 14px; margin-top: 44px; flex-wrap: wrap;
}
.page-btn, .page-link a, .page-link span {
  font-size: 13px; font-weight: 700; color: var(--ink-2);
  border: 1.5px solid var(--line); border-radius: 3px;
  padding: 8px 16px; display: inline-block; background: var(--white);
  transition: border-color 0.15s, color 0.15s;
}
.page-btn:hover, .page-link a:hover { border-color: var(--gold); color: var(--gold); }
.page-link span.current { background: var(--ink); border-color: var(--ink); color: #fff; }
.page-now { font-size: 12.5px; font-weight: 700; color: var(--muted); }

/* ─── Search Panel ───────────────────────────────────────────────── */
.search-panel { background: var(--white); border-bottom: 1px solid var(--line); padding: 14px 0; }
.search-panel-inner { display: flex; align-items: center; }
.search-form {
  display: flex; align-items: center; gap: 10px; width: 100%;
  background: var(--bg);
  border: 1.5px solid var(--line);
  border-radius: var(--radius);
  padding: 0 16px;
  transition: border-color 0.2s;
}
.search-form:focus-within { border-color: var(--gold); }
.search-form-icon { color: var(--muted); flex-shrink: 0; }
.search-panel-input {
  flex: 1; border: none; background: transparent;
  padding: 12px 0; font-size: 15px; font-family: var(--font); color: var(--ink);
  outline: none;
}
.search-panel-input::placeholder { color: var(--muted); }
.search-panel-submit {
  background: var(--chip); color: var(--black);
  border: none; border-radius: 4px;
  padding: 7px 18px; font-size: 13px; font-weight: 700;
  cursor: pointer; white-space: nowrap; transition: opacity 0.15s;
}
.search-panel-submit:hover { opacity: 0.85; }

/* ─── Search Results Page ────────────────────────────────────────── */
/* .inner と併用するため左右余白を必ず維持する */
.search-results-page { padding: 48px var(--gutter) 80px; }
.search-results-header { margin-bottom: 36px; }
.search-results-query { font-size: 18px; font-weight: 500; color: var(--ink-2); margin-bottom: 6px; }
.search-results-query strong { color: var(--ink); }
.search-results-count { font-size: 13px; font-weight: 500; color: var(--muted); }
.search-results-empty { color: var(--muted); font-size: 15px; font-weight: 500; line-height: 1.8; padding: 40px 0; }

.search-section { margin-bottom: 52px; }
.search-section-title {
  font-size: 14px; font-weight: 700; color: var(--ink-2);
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 20px; padding-bottom: 12px;
  border-bottom: 1.5px solid var(--line);
}
.search-section-badge {
  display: inline-block; padding: 3px 10px; border-radius: 3px;
  font-size: 11px; letter-spacing: 0.06em; font-weight: 700;
}
.search-section-badge--article  { background: var(--chip); color: var(--black); }
.search-section-badge--glossary { background: rgba(184,137,46,0.14); color: var(--gold); }

.search-article-list { display: flex; flex-direction: column; gap: 16px; }
.search-article-item {
  background: var(--white); border-radius: var(--radius);
  padding: 20px 24px; border: 1px solid var(--line);
  transition: border-color 0.2s, box-shadow 0.2s;
  display: block;
}
.search-article-item:hover { border-color: var(--gold); box-shadow: 0 2px 12px rgba(184,137,46,0.12); }
.search-article-meta { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.search-article-date { font-size: 12px; font-weight: 500; color: var(--muted); }
.search-article-title { font-size: 16px; font-weight: 700; color: var(--ink); margin-bottom: 6px; }
.search-article-excerpt { font-size: 13px; font-weight: 500; color: var(--ink-2); line-height: 1.7; }

/* ─── Glossary Archive ───────────────────────────────────────────── */
.glossary-hero { background: var(--black); padding: 64px var(--gutter); text-align: center; }
.glossary-hero-label { color: var(--chip); font-size: 12px; font-weight: 800; letter-spacing: 0.2em; text-transform: uppercase; margin-bottom: 12px; }
.glossary-hero-title { color: #fff; font-size: clamp(26px, 5vw, 40px); font-weight: 900; margin-bottom: 14px; }
.glossary-hero-desc { color: rgba(255,255,255,0.55); font-size: 15px; font-weight: 500; margin-bottom: 32px; }
.glossary-search-wrap { max-width: 480px; margin: 0 auto; }
.glossary-search {
  width: 100%; padding: 14px 20px; border-radius: var(--radius);
  border: 2px solid rgba(241,194,79,0.4);
  background: rgba(255,255,255,0.06);
  color: #fff; font-size: 15px; font-family: var(--font);
  transition: border-color 0.2s;
}
.glossary-search:focus { outline: none; border-color: var(--chip); }
.glossary-search::placeholder { color: rgba(255,255,255,0.32); }

/* .inner と併用するため左右余白を必ず維持する（0にすると画面端で見切れる） */
.glossary-body { padding: 40px var(--gutter) 80px; }
.glossary-filter { margin-bottom: 16px; }
.glossary-filter-label {
  font-size: 10.5px; font-weight: 700; letter-spacing: 0.16em;
  color: var(--muted); text-transform: uppercase; margin-bottom: 8px;
}
.glossary-index { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 8px; }

/* ─── 用語集アコーディオン ───────────────────────────────────────── */
.glossary-list { border-top: 1px solid var(--line); }
.gl-item { border-bottom: 1px solid var(--line); }
.gl-item[hidden] { display: none; }
.gl-head {
  display: flex; align-items: center; gap: 14px;
  width: 100%; padding: 16px 4px;
  background: transparent; border: none; cursor: pointer;
  text-align: left; font-family: inherit;
  transition: background 0.12s;
}
.gl-head:hover { background: var(--white); }
.gl-term { font-size: 15.5px; font-weight: 700; color: var(--ink); flex-shrink: 0; }
.gl-yomi { font-size: 11.5px; font-weight: 500; color: var(--muted); flex: 1; min-width: 0; }
.gl-cat {
  font-size: 10.5px; font-weight: 700; color: var(--gold);
  background: rgba(184,137,46,0.1); padding: 3px 10px; border-radius: 2px;
  white-space: nowrap; flex-shrink: 0;
}
.gl-toggle {
  position: relative; width: 14px; height: 14px; flex-shrink: 0;
}
.gl-toggle::before, .gl-toggle::after {
  content: ''; position: absolute; background: var(--gold);
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.gl-toggle::before { top: 6px; left: 0; width: 14px; height: 2px; }
.gl-toggle::after  { left: 6px; top: 0; width: 2px; height: 14px; }
.gl-item.is-open .gl-toggle::after { transform: rotate(90deg); opacity: 0; }
.gl-body { padding: 0 4px 20px; max-width: 760px; }
.gl-lead {
  font-size: 14px; font-weight: 700; line-height: 1.8; color: var(--ink);
  padding-left: 12px; border-left: 3px solid var(--chip); margin-bottom: 14px;
}
.gl-answer { font-size: 14.5px; font-weight: 500; line-height: 1.95; color: #2A261E; }
.gl-answer p { margin: 0 0 14px; }
.gl-answer p:last-child { margin-bottom: 0; }
.gl-more {
  display: inline-block; margin-top: 14px;
  font-size: 12.5px; font-weight: 700; color: var(--gold);
}
.gl-more:hover { opacity: 0.75; }
.glossary-tab {
  padding: 5px 16px; border-radius: 20px;
  border: 1.5px solid var(--line); background: transparent;
  color: var(--ink-2); font-size: 13px; font-weight: 500;
  cursor: pointer; transition: all 0.15s;
}
.glossary-tab:hover { border-color: var(--gold); color: var(--gold); }
.glossary-tab.active { background: var(--ink); border-color: var(--ink); color: #fff; font-weight: 700; }
.glossary-count { font-size: 13px; font-weight: 500; color: var(--muted); margin-bottom: 20px; }

.glossary-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 16px; }
.glossary-card {
  background: var(--white); border-radius: var(--radius);
  padding: 20px; border: 1px solid var(--line);
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
  display: block;
}
.glossary-card:hover { border-color: var(--gold); box-shadow: 0 4px 16px rgba(184,137,46,0.12); transform: translateY(-2px); }
.glossary-card-cat {
  display: inline-block; font-size: 10px; font-weight: 700; letter-spacing: 0.08em;
  color: var(--gold); background: rgba(184,137,46,0.1);
  padding: 2px 8px; border-radius: 3px; margin-bottom: 10px;
}
.glossary-card-term { font-size: 17px; font-weight: 700; color: var(--ink); margin-bottom: 8px; }
.glossary-card-excerpt {
  font-size: 12px; font-weight: 500; color: var(--ink-2); line-height: 1.7;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.glossary-empty { text-align: center; color: var(--muted); padding: 60px 0; font-size: 14px; font-weight: 500; }

/* ─── Glossary Single ────────────────────────────────────────────── */
.glossary-single { padding: 48px 0 80px; }
.glossary-back { display: inline-block; font-size: 13px; font-weight: 500; color: var(--muted); margin-bottom: 32px; transition: color 0.15s; }
.glossary-back:hover { color: var(--gold); }
.glossary-entry { max-width: 760px; }
.glossary-entry-cat {
  display: inline-block; font-size: 11px; font-weight: 700; letter-spacing: 0.1em;
  color: var(--gold); background: rgba(184,137,46,0.1);
  padding: 3px 10px; border-radius: 3px; margin-bottom: 16px;
}
.glossary-entry-title { font-size: clamp(26px, 5vw, 38px); font-weight: 900; color: var(--ink); margin-bottom: 8px; }
.glossary-entry-yomi { font-size: 14px; font-weight: 500; color: var(--muted); margin-bottom: 32px; }
.glossary-entry-content { font-size: 16px; font-weight: 500; line-height: 1.95; color: #2A261E; margin-bottom: 40px; }
.glossary-entry-content p { margin-bottom: 1.2em; }
.glossary-entry-content h2 { font-size: 19px; font-weight: 700; margin: 1.8em 0 0.7em; }
.glossary-entry-content h3 { font-size: 16px; font-weight: 700; margin: 1.4em 0 0.5em; }
.glossary-entry-content ul { padding-left: 1.4em; margin-bottom: 1.2em; }
.glossary-entry-content li { margin-bottom: 0.4em; }

.glossary-related-terms { border-top: 1px solid var(--line); padding-top: 28px; }
.glossary-related-label { font-size: 11px; font-weight: 700; letter-spacing: 0.1em; color: var(--muted); text-transform: uppercase; margin-bottom: 12px; }
.glossary-related-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.glossary-chip {
  display: inline-block; padding: 6px 14px; border-radius: 20px;
  font-size: 13px; font-weight: 500;
  background: var(--white); color: var(--ink-2);
  border: 1.5px solid var(--line);
  transition: all 0.15s;
}
a.glossary-chip:hover { border-color: var(--gold); color: var(--gold); }
.glossary-chip--plain { opacity: 0.55; cursor: default; }

/* ─── PC typography ─────────────────────────────────────────────── */
/* 大きな画面では情報量に負けない可読性を確保。モバイルの文字サイズは変更しない。 */
@media (min-width: 1001px) {
  .brand-tagline { font-size: 13.5px; }
  .cat-nav-btn { font-size: 14.5px; }

  .block-title { font-size: 19px; }
  .block-more { font-size: 13.5px; }
  .chip, .badge { font-size: 11px; }
  .meta { font-size: 12.5px; }

  .card-title { font-size: 16.5px; }
  .hero-lede { font-size: 15px; }
  .feature-title { font-size: 22px; }
  .feature-excerpt { font-size: 14.5px; }
  .side-title { font-size: 16px; }
  .theme-name { font-size: 14px; }

  .feature-band-excerpt { font-size: 15px; }
  .feature-band-link { font-size: 14px; }
  .rank-title { font-size: 15.5px; }
  .starter-title { font-size: 16.5px; }
  .starter-item-label { font-size: 12.5px; }
  .starter-item-link { font-size: 15px; }
  .draw-copy { font-size: 15px; }
  .draw-link { font-size: 14px; }
  .subscribe-sub { font-size: 14.5px; }
  .subscribe-btn { font-size: 13.5px; }

  .footer-desc, .footer-link { font-size: 13px; }
  .footer-col-title { font-size: 12.5px; }
  .footer-copy, .footer-privacy { font-size: 12px; }

  .sidebar-heading-title { font-size: 17px; }
  .sidebar-heading-more { font-size: 12px; }
  .sidebar-feature-title { font-size: 18px; }
  .sidebar-story-cat { font-size: 10.5px; }
  .sidebar-story-title, .sidebar-latest-title { font-size: 14px; }
  .sidebar-latest-date { font-size: 11px; }
  .tag-item { font-size: 13px; }

  .archive-label { font-size: 12px; }
  .archive-count { font-size: 13.5px; }
  .page-btn, .page-link a, .page-link span { font-size: 14px; }
  .page-now { font-size: 13.5px; }

  .search-panel-input { font-size: 16px; }
  .search-panel-submit { font-size: 14px; }
  .search-results-query { font-size: 20px; }
  .search-results-count { font-size: 14px; }
  .search-results-empty { font-size: 16px; }
  .search-section-title { font-size: 16px; }
  .search-section-badge { font-size: 12px; }
  .search-article-date { font-size: 13px; }
  .search-article-title { font-size: 18px; }
  .search-article-excerpt { font-size: 14.5px; line-height: 1.8; }

  .glossary-hero-desc, .glossary-search { font-size: 16.5px; }
  .glossary-filter-label { font-size: 11.5px; }
  .gl-term { font-size: 17px; }
  .gl-yomi { font-size: 12.5px; }
  .gl-cat { font-size: 11.5px; }
  .gl-lead { font-size: 15.5px; }
  .gl-answer { font-size: 16.5px; }
  .gl-more { font-size: 13.5px; }
  .glossary-tab, .glossary-count { font-size: 14px; }
  .glossary-card-term { font-size: 18px; }
  .glossary-card-excerpt { font-size: 14px; }
  .glossary-back { font-size: 14px; }
  .glossary-entry-yomi { font-size: 15px; }
  .glossary-entry-content { font-size: 17.5px; }
  .glossary-entry-content h2 { font-size: 22px; }
  .glossary-entry-content h3 { font-size: 18px; }
  .glossary-chip { font-size: 14px; }
}

/* ─── Responsive ─────────────────────────────────────────────────── */
@media (max-width: 1000px) {
  /* カテゴリは横スクロールさせず、ハンバーガーメニューに集約する */
  .cat-nav { display: none; }
  .brand-bar { gap: 12px; }
  .brand-link { flex: 1; min-width: 0; }
  .brand-tagline { font-size: 10px; margin-left: 4px; padding-left: 10px; }
  .search-toggle svg { width: 18px; height: 18px; }
  .hamburger { display: flex; margin-right: -8px; }
  .theme-grid { grid-template-columns: repeat(3, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .single-hero-inner { max-width: 800px; }
  .single-hero-img-inner { max-width: 848px; }
  .single-body-wrap {
    max-width: 848px;
    grid-template-columns: 1fr 1fr;
    grid-template-areas:
      "main main"
      "sidebar sidebar"
      "back back";
  }
  .single-sidebar {
    display: grid; grid-template-columns: 1fr 1fr; gap: 32px;
    margin-top: 58px; padding-top: 40px; border-top: 1px solid var(--line);
  }
  .single-sidebar-section { margin-bottom: 0; }
  .single-sidebar-feature { grid-column: 1 / -1; }
  .sidebar-feature-visual { min-height: 260px; }
}
@media (max-width: 430px) {
  /* ロゴとサイト説明を横並びのまま保ち、説明文の中だけを折り返す */
  .brand-bar { flex-wrap: nowrap; gap: 8px; padding: 6px 16px; }
  .brand-link { flex-wrap: nowrap; gap: 8px; }
  .brand-mark { width: 64px; flex-basis: 64px; }
  .brand-tagline {
    flex: 1;
    min-width: 0;
    margin-left: 0;
    padding-left: 9px;
    white-space: nowrap;
    color: rgba(255,255,255,0.82);
    font-size: 11.5px;
    font-weight: 700;
    line-height: 1.42;
    letter-spacing: 0.015em;
  }
  .brand-tagline-full { display: none; }
  .brand-tagline-mobile { display: inline; }
  .brand-tagline-mobile > span { display: block; }
  .header-right { gap: 8px; }
}
@media (max-width: 700px) {
  .hero-section { padding: 16px var(--gutter) 36px; }
  .hero-intro { min-height: 300px; margin-bottom: 18px; padding: 34px 24px 30px; border-radius: 6px; }
  .hero-intro::before { inset: 10px; }
  .hero-intro-copy { max-width: 285px; }
  .hero-eyebrow-label { font-size: 10.5px; margin-bottom: 16px; }
  .hero-headline { font-size: 28.5px; line-height: 1.42; margin-bottom: 16px; }
  .hero-headline-pc { display: none; }
  .hero-headline-mobile { display: block; }
  .hero-lede { max-width: 270px; font-size: 14px; line-height: 1.85; }
  .hero-flame { right: -26px; width: 118px; opacity: 0.11; }
  .hero-grid { grid-template-columns: 1fr; }
  .feature-thumb { height: 200px; }
  .feature-thumb.is-placeholder { height: 140px; }
  .feature-title { font-size: 18px; }
  .theme-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .section { padding: 36px var(--gutter); }
  .latest-section, .popular-section { padding-top: 36px; padding-bottom: 40px; }

  /* ── モバイルの記事カードは「小サムネ＋見出し主役」のリスト型に ── */
  .grid-3, .grid-2 { grid-template-columns: 1fr; gap: 0; }
  .card {
    flex-direction: row;
    align-items: flex-start;
    gap: 12px;
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--line);
    border-radius: 0;
    padding: 15px 0;
  }
  .card:hover { transform: none; box-shadow: none; }
  .card-thumb {
    width: 112px; height: 78px;
    flex-shrink: 0;
    border-radius: 4px;
  }
  .card-body { padding: 0; }
  .card-badge { margin-bottom: 6px; }
  .card-title {
    font-size: 15.5px;
    line-height: 1.55;
    -webkit-line-clamp: 3;
  }
  .card-footer-meta { margin-top: 8px; }
  .card-arrow { display: none; }
  .thumb-label { font-size: 11px; bottom: 6px; left: 8px; }
  .thumb-deco { width: 58px; height: 58px; top: -14px; right: -14px; }

  /* ヒーロー脇のカードも同じリスト型に */
  .hero-right { gap: 0; }
  .side-card {
    display: flex; flex-direction: row; align-items: flex-start; gap: 12px;
    background: transparent; border: none;
    border-bottom: 1px solid var(--line); border-radius: 0;
    padding: 15px 0;
  }
  .side-card:hover { transform: none; box-shadow: none; }
  .side-thumb { width: 112px; height: 78px; flex-shrink: 0; border-radius: 4px; }
  .side-body { padding: 0; }
  .side-title { font-size: 15.5px; line-height: 1.55; margin-top: 4px; }
  .feature-band-inner { grid-template-columns: 1fr; gap: 24px; padding: 40px var(--gutter); }
  .rank-item { flex-wrap: wrap; gap: 8px 12px; padding: 14px 4px; }
  .rank-title { flex-basis: calc(100% - 46px); }
  .rank-chip { margin-left: 46px; }
  .rank-arrow { display: none; }
  .starter-grid { grid-template-columns: 1fr; gap: 16px; }
  .starter-item { border-left: none; padding: 0; }
  .draw-box { grid-template-columns: 1fr; gap: 20px; padding: 26px 22px; }
  .draw-visual { display: none; }
  .hero-brand { font-size: 24px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .single-hero { padding-top: 32px; padding-bottom: 36px; }
  .single-title { font-size: 22px; line-height: 1.55; }
  .single-body-wrap { display: block; padding-top: 38px; padding-bottom: 64px; }
  .entry-content { font-size: 16.5px; line-height: 2; letter-spacing: 0; }
  .entry-content h2 { font-size: 21px; margin-top: 48px; }
  .entry-content h3 { font-size: 18px; margin-top: 34px; }
  .entry-content .hidane-analogy { grid-template-columns: 1fr; gap: 0; margin: 34px 0; padding: 20px 0; }
  .entry-content .hidane-analogy__part > p:not(.hidane-analogy__label) { font-size: 16.5px; }
  .entry-content .hidane-analogy__bridge { min-height: 42px; }
  .entry-content .hidane-analogy__bridge::before { top: 5px; bottom: 5px; }
  .entry-content .hidane-analogy__bridge span { transform: rotate(90deg); }
  .entry-content .hidane-analogy__label { font-size: 10.5px; }
  .entry-content .hidane-practice { margin: 36px 0; padding: 20px 0 0; }
  .entry-content .hidane-practice h2 { font-size: 20px; line-height: 1.55; }
  .entry-content .hidane-practice__label { font-size: 11px; }
  .entry-content table { font-size: 13.5px; }
  .single-sidebar { display: block; margin-top: 48px; padding-top: 36px; }
  .single-sidebar-section { margin-bottom: 36px; }
  .sidebar-feature-visual { min-height: 220px; }
  .sidebar-heading-title { font-size: 17px; }
  .sidebar-feature-title { font-size: 18px; }
  .sidebar-story-title, .sidebar-latest-title { font-size: 14.5px; }
  .sidebar-latest-date { font-size: 11px; }
  .single-backtop { margin-top: 48px; }

  .search-panel-input { font-size: 16px; }
  .search-panel-submit { font-size: 14px; }
  .search-results-page { padding-top: 38px; }
  .search-results-query { font-size: 19px; line-height: 1.6; }
  .search-results-count { font-size: 13.5px; }
  .search-results-empty { font-size: 15.5px; }
  .search-section-title { font-size: 15.5px; }
  .search-section-badge { font-size: 11.5px; }
  .search-article-item { padding: 18px 18px; }
  .search-article-date { font-size: 12.5px; }
  .search-article-title { font-size: 17px; line-height: 1.65; }
  .search-article-excerpt { font-size: 14.5px; line-height: 1.8; }

  .glossary-hero-desc { font-size: 15.5px; }
  .glossary-search { font-size: 16px; }
  .glossary-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .glossary-card { padding: 14px; }
  .glossary-card-term { font-size: 15px; }
  .glossary-card-excerpt { font-size: 13.5px; }
  .glossary-count { font-size: 13.5px; }
  /* 用語集アコーディオン：狭い画面では読みを2段目に送る */
  .gl-head { flex-wrap: wrap; gap: 6px 10px; padding: 14px 2px; }
  .gl-term { font-size: 15.5px; flex: 1; min-width: 0; }
  .gl-yomi { order: 3; flex-basis: 100%; font-size: 11.5px; }
  .gl-cat { order: 2; font-size: 10.5px; padding: 2px 8px; }
  .gl-toggle { order: 4; margin-left: auto; }
  .gl-body { padding: 0 2px 18px; }
  .gl-lead { font-size: 15px; }
  .gl-answer { font-size: 15.5px; }
  .glossary-tab { font-size: 13px; padding: 5px 13px; }
  .glossary-entry-content { font-size: 16.5px; }
  .glossary-entry-content h2 { font-size: 20px; }
  .glossary-entry-content h3 { font-size: 17px; }
  .footer-desc, .footer-link { font-size: 12.5px; }
  .footer-col-title { font-size: 12px; }
}

/* 320px級の端末ではヘッダー内の横幅を優先する */
@media (max-width: 350px) {
  .brand-tagline { font-size: 10.5px; font-weight: 700; }
}