/* 工業炉・熱処理レポート / industrial-heat-treatment
   「炉火・ヒートスケール」ヒーロー型: ヒートスケール・スロープ */

:root {
  --bg: #f4f1ea;
  --surface: #fffdf9;
  --ink: #191512;
  --muted: #6d675e;
  --accent: #a62b1f;
  --accent-2: #4b5057;
  --line: #d8d2c6;
  --ember-dark: #191512;
  --ember-1: #6b1f14;
  --ember-2: #a62b1f;
  --ember-3: #d97b29;
  --ember-4: #f2c14e;
  --card-band: linear-gradient(90deg, var(--ember-dark), var(--ember-1), var(--ember-2), var(--ember-3), var(--ember-4));
  --heat-band: linear-gradient(90deg, #191512 0%, #6b1f14 25%, #a62b1f 50%, #d97b29 75%, #f2c14e 100%);
  --font-head: "Shippori Mincho", "Noto Serif JP", serif;
  --font-body: "Noto Sans JP", sans-serif;
  --font-num: ui-monospace, "SFMono-Regular", "Consolas", monospace;
  --header-h: 64px;
}

* {
  box-sizing: border-box;
}

html,
body {
  overflow-x: clip;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.8;
}

body.no-scroll {
  overflow: hidden;
}

img {
  max-width: 100%;
  height: auto;
}

a {
  color: var(--accent);
}

a:hover {
  text-decoration: none;
}

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 20px;
}

/* 見出し共通: 最終行1文字対策 */
h1,
h2,
h3,
h4,
.band-title {
  font-family: var(--font-head);
  text-wrap: balance;
  word-break: auto-phrase;
  line-break: strict;
  overflow-wrap: break-word;
}

/* 背景装飾: 炭の粒子 */
.ember-field {
  position: relative;
}

.ember-field::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(circle at 8% 30%, rgba(166, 43, 31, .10) 1.5px, transparent 2px),
    radial-gradient(circle at 22% 70%, rgba(25, 21, 18, .08) 1.5px, transparent 2px),
    radial-gradient(circle at 41% 18%, rgba(217, 123, 41, .09) 1.5px, transparent 2px),
    radial-gradient(circle at 58% 62%, rgba(166, 43, 31, .08) 1.5px, transparent 2px),
    radial-gradient(circle at 76% 28%, rgba(25, 21, 18, .07) 1.5px, transparent 2px);
  background-size: 340px 340px;
}

/* ヒートスケール帯 */
.heat-strip {
  height: 10px;
  background: var(--heat-band);
  border: 0;
  margin: 0;
}

.heat-strip--thin {
  height: 6px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--ink);
  color: var(--surface);
  padding: 8px 16px;
  z-index: 300;
}

.skip-link:focus {
  left: 8px;
}

/* ヘッダー */
.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: var(--surface);
  border-bottom: 2px solid var(--ink);
}

.header-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 20px;
  height: var(--header-h);
  display: flex;
  align-items: center;
  gap: 18px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--ink);
  flex-shrink: 0;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
}

.brand-text strong {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.02rem;
}

.brand-text small {
  font-family: var(--font-num);
  font-size: 9px;
  letter-spacing: .14em;
  color: var(--accent-2);
  text-transform: uppercase;
}

.menu-toggle {
  margin-left: auto;
  display: none;
  border: 1px solid var(--ink);
  background: var(--surface);
  width: 44px;
  height: 40px;
  cursor: pointer;
  padding: 0;
}

.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 4px auto;
  background: var(--ink);
  transition: transform .2s ease, opacity .2s ease;
}

.menu-toggle.is-active span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.menu-toggle.is-active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.is-active span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.global-nav {
  margin-left: auto;
}

.global-nav ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  align-items: center;
  gap: 2px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.global-nav a {
  display: inline-block;
  padding: 6px 8px;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--ink);
  text-decoration: none;
  white-space: nowrap;
}

.global-nav a:hover {
  color: var(--accent);
  text-decoration: underline;
}

.global-nav a[aria-current="page"] {
  color: var(--accent);
  border-bottom: 2px solid var(--accent);
}

.global-nav a.is-compare {
  color: var(--surface);
  background: var(--ink);
}

.global-nav a.is-compare:hover {
  background: var(--accent);
  color: var(--surface);
}

@media (max-width: 1100px) {
  .menu-toggle {
    display: block;
  }

  .global-nav {
    position: fixed;
    top: var(--header-h);
    right: 0;
    bottom: 0;
    width: min(320px, 84vw);
    background: var(--surface);
    border-left: 3px solid var(--accent);
    box-shadow: -8px 0 24px rgba(25, 21, 18, .18);
    transform: translateX(100%);
    transition: transform .25s ease;
    overflow-y: auto;
    padding: 16px 0 32px;
    z-index: 250;
  }

  .global-nav.is-open {
    transform: translateX(0);
  }

  .global-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .global-nav a {
    display: block;
    padding: 12px 20px;
    font-size: 15px;
    border-bottom: 1px solid var(--line);
    border-top: 0;
  }

  .global-nav a[aria-current="page"] {
    border-bottom: 1px solid var(--line);
    border-left: 4px solid var(--accent);
  }
}

@media (max-width: 1240px) and (min-width: 1101px) {
  .global-nav a {
    padding: 6px 5px;
    font-size: 11.5px;
  }

  .header-inner {
    gap: 10px;
  }
}

/* ヒーロー: ヒートスケール・スロープ */
.hero-block {
  background: var(--bg);
  padding-bottom: 42px;
}

.hero-slope {
  max-width: 1120px;
  margin: 0 auto;
  padding: 36px 20px 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: 34px;
  align-items: start;
}

.hero-copy {
  padding-top: 6px;
}

.eyebrow {
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--accent-2);
  text-transform: uppercase;
  margin: 0 0 10px;
}

.hero-copy h1 {
  font-weight: 700;
  font-size: clamp(1.9rem, 3.9vw, 3.1rem);
  line-height: 1.42;
  margin: 0 0 14px;
}

.hero-lead {
  font-size: 1rem;
  color: var(--muted);
  margin: 0 0 18px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 16px;
}

.btn {
  display: inline-block;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: var(--surface);
  padding: 10px 20px;
  font-size: .92rem;
  font-weight: 500;
  text-decoration: none;
}

.btn:hover {
  background: var(--ember-dark);
  border-color: var(--ember-dark);
}

.btn--ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--ink);
}

.btn--ghost:hover {
  background: var(--ink);
  color: var(--surface);
}

.hero-note {
  font-size: .82rem;
  color: var(--muted);
  margin: 0;
}

/* 写真 + 温度目盛りの縦バー */
.hero-figure {
  position: relative;
  padding-left: 30px;
}

.hero-figure .hero-frame {
  overflow: hidden;
}

.hero-image {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.temp-scale {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 24px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-right: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 10px 0 10px 2px;
  pointer-events: none;
}

.temp-scale li {
  list-style: none;
  position: relative;
  writing-mode: vertical-rl;
  font-family: var(--font-num);
  font-size: 9.5px;
  color: var(--accent-2);
  letter-spacing: .08em;
  padding-left: 5px;
}

.temp-scale li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 8px;
  width: 3px;
  background: var(--heat-band);
}

@media (max-width: 760px) {
  .hero-slope {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .hero-figure {
    order: -1;
    padding-left: 0;
  }

  .temp-scale {
    display: none;
  }
}

/* セクション区切りの細いヒート帯 */
.section-sep {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 20px;
}

.index-section {
  padding: 46px 0 10px;
}

.index-section h2 {
  position: relative;
  font-weight: 600;
  font-size: clamp(1.35rem, 2.4vw, 1.8rem);
  margin: 0 0 8px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--accent-2);
  padding-left: 18px;
}

.index-section h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: .18em;
  bottom: .18em;
  width: 6px;
  background: var(--accent);
  pointer-events: none;
}

.section-lead {
  color: var(--muted);
  margin: 6px 0 0;
}

.intro-block {
  max-width: 1120px;
}

/* 五つの視点リスト */
.stage-list {
  list-style: none;
  counter-reset: stage;
  margin: 18px 0 6px;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 10px;
}

.stage-list li {
  counter-increment: stage;
  background: var(--surface);
  border: 1px solid var(--line);
  border-top: 4px solid var(--accent-2);
  padding: 12px 14px 12px 42px;
  position: relative;
  font-size: .9rem;
}

.stage-list li::before {
  content: counter(stage, decimal-leading-zero);
  position: absolute;
  left: 12px;
  top: 12px;
  font-family: var(--font-num);
  font-size: .8rem;
  color: var(--accent);
  font-weight: 700;
}

.stage-list strong {
  display: block;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1rem;
}

.after-list {
  margin: 10px 0 0;
}

.stance-title {
  font-size: 1.05rem;
  margin: 28px 0 8px;
}

.stance-list {
  margin: 0;
  padding-left: 20px;
  font-size: .92rem;
}

/* 7ページカード */
.page-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 18px;
  margin-top: 20px;
}

.page-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--line);
  border-top: 0;
  padding: 30px 20px 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: var(--card-band);
}

.page-card:nth-child(5n+1)::before {
  background: linear-gradient(90deg, #191512 0%, #6b1f14 60%, #a62b1f 100%);
}

.page-card:nth-child(5n+2)::before {
  background: linear-gradient(90deg, #6b1f14 0%, #a62b1f 60%, #d97b29 100%);
}

.page-card:nth-child(5n+3)::before {
  background: linear-gradient(90deg, #a62b1f 0%, #d97b29 60%, #f2c14e 100%);
}

.page-card:nth-child(5n+4)::before {
  background: linear-gradient(90deg, #6b1f14 0%, #a62b1f 50%, #f2c14e 100%);
}

.page-card:nth-child(5n+5)::before {
  background: linear-gradient(90deg, #191512 0%, #a62b1f 45%, #d97b29 80%, #f2c14e 100%);
}

.page-card .num {
  font-family: var(--font-num);
  font-size: .82rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: .06em;
}

.page-card .icon {
  color: var(--accent-2);
}

.page-card h3 {
  font-weight: 600;
  font-size: 1.06rem;
  line-height: 1.5;
  margin: 0;
}

.page-card h3 a {
  color: var(--ink);
  text-decoration: none;
}

.page-card h3 a:hover {
  color: var(--accent);
  text-decoration: underline;
}

.page-card p {
  margin: 0;
  font-size: .88rem;
  color: var(--muted);
}

.page-card.is-compare {
  background: var(--ember-dark);
  border-color: var(--ember-dark);
}

.page-card.is-compare .num,
.page-card.is-compare h3 a,
.page-card.is-compare p {
  color: var(--ember-4);
}

.page-card.is-compare h3 a:hover {
  color: #ffd97a;
  text-decoration: underline;
}

.badge {
  display: inline-block;
  align-self: flex-start;
  font-family: var(--font-num);
  font-size: 10px;
  letter-spacing: .12em;
  color: var(--surface);
  background: var(--accent);
  padding: 2px 8px;
}

/* 関連サイト */
.related-sites ul {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 12px;
}

.related-sites li a {
  display: block;
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent-2);
  padding: 12px 16px;
  color: var(--ink);
  text-decoration: none;
  line-height: 1.6;
}

.related-sites li a:hover {
  border-left-color: var(--accent);
}

.related-sites strong {
  display: block;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: .98rem;
}

.related-sites span {
  display: block;
  font-size: .84rem;
  color: var(--muted);
}

/* LATEST-COMMENTARY */
.latest-commentary {
  background: var(--surface);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 34px 0;
}

.latest-commentary h2 {
  font-weight: 600;
  font-size: 1.3rem;
  margin: 0 0 12px;
}

.latest-commentary-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.latest-commentary-list li {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 10px 2px;
  border-bottom: 1px solid var(--line);
  font-size: .92rem;
}

.latest-commentary-list time {
  font-family: var(--font-num);
  color: var(--accent-2);
  white-space: nowrap;
}

.latest-commentary-more {
  margin: 12px 0 0;
  font-size: .9rem;
}

.latest-commentary:not(:has(li)) {
  display: none;
}

/* 下層ページ: 見出し帯 */
.page-band {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}

.page-band .container {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: 30px;
  align-items: center;
  padding-top: 26px;
  padding-bottom: 26px;
}

.page-band .band-media {
  position: relative;
}

.page-band .band-media img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 6;
  object-fit: cover;
  border: 0;
}

.band-title {
  font-weight: 700;
  font-size: clamp(1.6rem, 3.2vw, 2.4rem);
  line-height: 1.45;
  margin: 0 0 10px;
}

.page-band .band-lead {
  color: var(--muted);
  margin: 0;
}

@media (max-width: 760px) {
  .page-band .container {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

/* 2カラム本文 */
.content-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 34px;
  padding-top: 30px;
  padding-bottom: 40px;
}

.article {
  min-width: 0;
}

.article .source-note {
  background: var(--surface);
  border-left: 4px solid var(--accent-2);
  padding: 10px 16px;
  font-size: .86rem;
  color: var(--muted);
  margin: 16px 0 0;
}

.updated {
  font-size: .84rem;
  color: var(--muted);
  margin: 16px 0 6px;
}

.article h2 {
  font-weight: 600;
  font-size: clamp(1.3rem, 2.3vw, 1.7rem);
  line-height: 1.5;
  margin: 42px 0 14px;
  padding-left: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--accent-2);
  position: relative;
}

.article h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: .2em;
  bottom: .2em;
  width: 5px;
  background: var(--accent);
  pointer-events: none;
}

.article h3 {
  font-weight: 600;
  font-size: 1.15rem;
  line-height: 1.55;
  margin: 30px 0 12px;
  padding-left: 14px;
  border-left: 4px solid var(--line);
}

.article h4 {
  font-weight: 600;
  font-size: 1.02rem;
  margin: 24px 0 10px;
}

.article p {
  margin: 0 0 14px;
}

.article ul,
.article ol {
  margin: 0 0 16px;
  padding-left: 22px;
}

.article li {
  margin-bottom: 6px;
}

.article table {
  width: 100%;
}

/* 比較表 */
.table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--line);
  background: var(--surface);
  margin: 16px 0 8px;
}

.compare-table {
  border-collapse: collapse;
  min-width: 900px;
  font-size: .84rem;
  line-height: 1.6;
}

.compare-table th,
.compare-table td {
  border: 1px solid var(--line);
  padding: 10px 12px;
  vertical-align: top;
  text-align: left;
}

.compare-table thead th {
  background: var(--ember-dark);
  color: #f2c14e;
  font-weight: 600;
  white-space: nowrap;
}

.compare-table tbody th {
  background: var(--bg);
  font-weight: 600;
  white-space: nowrap;
}

.compare-table tbody tr:nth-child(even) td {
  background: rgba(166, 43, 31, .04);
}

.table-note {
  font-size: .8rem;
  color: var(--muted);
  margin: 0 0 8px;
}

/* サイドバー */
.sidebar {
  min-width: 0;
}

.sidebar .sb-block {
  background: var(--surface);
  border: 1px solid var(--line);
  border-top: 5px solid var(--accent);
  padding: 16px;
  margin-bottom: 18px;
}

.sidebar h2 {
  font-weight: 600;
  font-size: 1rem;
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 10px;
}

.sidebar ol,
.sidebar ul {
  margin: 0;
  padding-left: 18px;
  font-size: .88rem;
}

.sidebar li {
  margin-bottom: 6px;
}

.sidebar-links li a {
  color: var(--ink);
  text-decoration: none;
}

.sidebar-links li a:hover {
  color: var(--accent);
  text-decoration: underline;
}

.ad-slot {
  border: 1px dashed var(--accent-2);
  padding: 14px;
  font-size: .86rem;
  margin: 0 0 18px;
}

.ad-slot span {
  font-family: var(--font-num);
  font-size: 10px;
  letter-spacing: .12em;
  color: var(--accent-2);
}

.ad-slot strong {
  display: block;
  font-family: var(--font-head);
  font-weight: 600;
  margin: 4px 0;
}

/* 免責・フッター */
.site-disclaimer {
  background: var(--surface);
  padding: 14px 0;
  border-top: 6px solid var(--accent);
}

.site-disclaimer p {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 20px;
  font-size: .8rem;
  color: var(--muted);
}

.site-footer {
  background: #1d1a17;
  color: #e9e2d6;
  margin-top: 0;
}

.heat-foot {
  height: 6px;
  background: var(--heat-band);
}

.footer-grid {
  max-width: 1120px;
  margin: 0 auto;
  padding: 34px 20px 10px;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 24px;
}

.footer-grid h2 {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 1rem;
  color: var(--ember-4);
  margin: 0 0 10px;
}

.footer-grid p {
  font-size: .84rem;
  color: #bfb8ab;
  margin: 0 0 6px;
}

.footer-grid a {
  display: block;
  color: #ddd5c8;
  font-size: .86rem;
  text-decoration: none;
  padding: 3px 0;
}

.footer-grid a:hover {
  color: var(--ember-4);
  text-decoration: underline;
}

.footer-note {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 20px;
  font-size: .78rem;
  color: #a89f92;
  border-top: 1px solid rgba(242, 193, 78, .3);
  padding-top: 16px;
}

.footer-links {
  max-width: 1120px;
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 4px 20px;
}

.footer-links a {
  color: #ddd5c8;
  font-size: .82rem;
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--ember-4);
}

.copyright {
  max-width: 1120px;
  margin: 0 auto;
  padding: 6px 20px 26px;
  font-size: .76rem;
  color: #8d8578;
}

@media (max-width: 860px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

/* ブログ */
.blog-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 20px;
}

.blog-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-top: 5px solid var(--accent);
  display: flex;
  flex-direction: column;
}

.blog-card > a {
  display: flex;
  flex-direction: column;
  height: 100%;
  color: var(--ink);
  text-decoration: none;
}

.card-thumb img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.card-body {
  padding: 14px 16px 16px;
}

.card-body time {
  font-family: var(--font-num);
  font-size: .78rem;
  color: var(--accent-2);
}

.card-body h3 {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 1rem;
  line-height: 1.55;
  margin: 6px 0 8px;
  text-wrap: balance;
  word-break: auto-phrase;
  line-break: strict;
  overflow-wrap: break-word;
}

.card-body p {
  margin: 0;
  font-size: .84rem;
  color: var(--muted);
}

@media (max-width: 900px) {
  .blog-cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .blog-cards {
    grid-template-columns: 1fr;
  }
}

.index-stack {
  padding-bottom: 40px;
}

.index-stack > section {
  margin-top: 34px;
}

.post-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  font-size: .84rem;
  color: var(--muted);
  margin: 6px 0 8px;
}

.post-meta time {
  font-family: var(--font-num);
}

.article h1 {
  font-weight: 700;
  font-size: clamp(1.5rem, 2.9vw, 2.1rem);
  margin: 0 0 16px;
}

.article-eyecatch {
  margin: 0 0 14px;
}

.article-eyecatch img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border: 1px solid var(--line);
}

.share-box {
  margin-top: 34px;
  border-top: 2px solid var(--ink);
  padding-top: 18px;
}

.share-box h2 {
  font-family: var(--font-head);
  font-size: 1.1rem;
  margin: 0 0 10px;
}

.share-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.share-links a {
  border: 1px solid var(--ink);
  padding: 8px 16px;
  font-size: .88rem;
  text-decoration: none;
  color: var(--ink);
}

.share-links a:hover {
  background: var(--ink);
  color: var(--surface);
}

.spacer-lg {
  height: 26px;
}

.amazon-banner {
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 10px 14px;
  margin: 16px 0;
  font-size: .86rem;
}

.amazon-banner a {
  color: var(--ink);
}

@media (max-width: 900px) {
  .content-layout {
    grid-template-columns: 1fr;
  }
}

/* LATEST-COMMENTARY:START */
.latest-commentary {
  padding: 3rem 0;
}
/* .container を持たないサイトでも端に張り付かないための保険。
   :where() は詳細度0なので、サイト側の .container 定義が常に優先される。 */
:where(.latest-commentary .container) {
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: 1rem;
}
.latest-commentary h2 {
  margin-bottom: 1.25rem;
}
.latest-commentary-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.latest-commentary-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.25rem 1rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--line, #e5e5e5);
}
.latest-commentary-list time {
  flex: 0 0 auto;
  color: var(--muted, #666);
  font-size: 0.9rem;
  font-variant-numeric: tabular-nums;
}
.latest-commentary-list a {
  flex: 1 1 16rem;
  min-width: 0;
  color: var(--ink, #222);
  text-decoration: none;
  overflow-wrap: anywhere;
  word-break: break-word;
}
.latest-commentary-list a:hover {
  color: var(--accent, #0b5);
  text-decoration: underline;
}
.latest-commentary-more {
  margin-top: 1.25rem;
}
.latest-commentary-more a {
  color: var(--accent, #0b5);
  text-decoration: none;
  font-weight: 600;
}
.latest-commentary-more a:hover {
  text-decoration: underline;
}
@media (max-width: 600px) {
  .latest-commentary-list li {
    flex-direction: column;
    gap: 0.2rem;
  }
  /* 縦積み時に flex-basis(16rem) が高さに効かないよう auto に戻す */
  .latest-commentary-list a,
  .latest-commentary-list time {
    flex: 0 0 auto;
  }
}
/* LATEST-COMMENTARY:END */