/* ==========================================================
   Carbon Capture Insight — CCUS・炭素回収ビジネス業界レポート
   デザインテーマ: グラファイトグレー × ミントグリーン
   モチーフ: CO2分子・循環矢印 / インダストリアル
   ========================================================== */

:root {
  --graphite-950: #101316;
  --graphite-900: #171b1f;
  --graphite-800: #21262c;
  --graphite-700: #2d343b;
  --graphite-600: #3c444d;
  --graphite-300: #9aa4ad;
  --graphite-150: #d8dde1;
  --graphite-100: #e7eaec;
  --mint-600: #0f9d76;
  --mint-500: #17b389;
  --mint-400: #3ecfa4;
  --mint-300: #7fe0c3;
  --mint-100: #dff6ed;
  --mint-050: #eefaf5;
  --bg: #f2f4f4;
  --paper: #ffffff;
  --text: #23282d;
  --text-muted: #5b656d;
  --line: #dde2e5;
  --shadow: 0 10px 30px rgba(16, 19, 22, 0.10);
  --radius: 10px;
  --font-body: "IBM Plex Sans JP", "Hiragino Kaku Gothic ProN", "Meiryo", sans-serif;
  --font-accent: "Space Grotesk", "IBM Plex Sans JP", sans-serif;
  --transition: all 0.25s ease;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 110px;
}

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.9;
  font-size: 16px;
  overflow-wrap: break-word;
}

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

a {
  color: var(--mint-600);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

ul, ol {
  padding-left: 1.4em;
}

/* ---------- ヘッダー ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: linear-gradient(180deg, var(--graphite-950) 0%, var(--graphite-900) 100%);
  border-bottom: 2px solid var(--mint-500);
}

.header-inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0.7rem 1.2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: #fff;
  text-decoration: none;
  flex-shrink: 0;
}

.brand:hover {
  text-decoration: none;
}

.brand-mark {
  width: 52px;
  height: 30px;
  flex-shrink: 0;
}

.brand-text {
  font-family: var(--font-accent);
  font-weight: 700;
  font-size: 1.12rem;
  letter-spacing: 0.03em;
  line-height: 1.25;
  color: #fff;
  display: flex;
  flex-direction: column;
}

.brand-text small {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 0.68rem;
  color: var(--mint-300);
  letter-spacing: 0.05em;
}

/* ナビゲーション（2行レイアウト対応） */
.global-nav {
  display: block;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 0.2rem 0.4rem;
  align-items: center;
  flex-wrap: wrap;           /* 2行レイアウト対応 */
  max-width: 900px;          /* ナビゲーション全体の最大幅制限 */
  justify-content: center;   /* メニュー項目を中央配置 */
  padding: 0;
}

.nav-item a {
  font-weight: 500;
  color: var(--graphite-100);
  padding: 0.35rem 0.7rem;
  border-radius: 6px;
  transition: var(--transition);
  font-size: 0.88rem;
  white-space: nowrap;
  display: inline-block;
}

.nav-item a:hover {
  background: var(--graphite-700);
  color: var(--mint-300);
  text-decoration: none;
}

.nav-item a.nav-current {
  background: var(--mint-600);
  color: #fff;
}

/* ハンバーガーボタン */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 46px;
  height: 42px;
  background: var(--graphite-700);
  border: 1px solid var(--graphite-600);
  border-radius: 8px;
  cursor: pointer;
  padding: 0 11px;
}

.hamburger-line {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--mint-300);
  border-radius: 2px;
  transition: var(--transition);
}

.nav-toggle.active .hamburger-line:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.nav-toggle.active .hamburger-line:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active .hamburger-line:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* ---------- ヒーロー（TOP） ---------- */
.hero {
  position: relative;
  min-height: 520px;
  display: flex;
  align-items: center;
  background-size: cover;
  background-position: center;
  background-color: var(--graphite-900);
}

.hero-inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 4.5rem 1.2rem;
  width: 100%;
}

.hero-eyebrow,
.page-hero-eyebrow {
  font-family: var(--font-accent);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.35em;
  color: var(--mint-300);
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.9);
  margin-bottom: 0.8rem;
}

.hero h1 {
  font-size: clamp(1.7rem, 4.2vw, 3rem);
  font-weight: 700;
  color: #ffffff;
  line-height: 1.35;
  text-shadow: 0 2px 6px rgba(0, 0, 0, 0.95), 0 6px 22px rgba(0, 0, 0, 0.85);
  max-width: 760px;
}

.hero-sub {
  margin-top: 1.1rem;
  font-size: clamp(0.95rem, 1.8vw, 1.15rem);
  color: #f2fbf7;
  font-weight: 500;
  text-shadow: 0 2px 5px rgba(0, 0, 0, 0.95), 0 4px 16px rgba(0, 0, 0, 0.8);
  max-width: 640px;
}

.hero-tags {
  margin-top: 1.6rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
  padding: 0;
}

.hero-tags li {
  font-family: var(--font-accent);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: #eafff7;
  background: rgba(16, 19, 22, 0.66);
  border: 1px solid var(--mint-400);
  border-radius: 999px;
  padding: 0.25rem 0.85rem;
}

/* ---------- ページヒーロー（下層） ---------- */
.page-hero {
  position: relative;
  min-height: 300px;
  display: flex;
  align-items: center;
  background-size: cover;
  background-position: center;
  background-color: var(--graphite-900);
}

.page-hero-inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 3.2rem 1.2rem;
  width: 100%;
}

.page-hero h1 {
  font-size: clamp(1.45rem, 3.2vw, 2.2rem);
  color: #ffffff;
  line-height: 1.4;
  text-shadow: 0 2px 6px rgba(0, 0, 0, 0.95), 0 6px 20px rgba(0, 0, 0, 0.85);
  max-width: 860px;
}

.page-hero-sub {
  margin-top: 0.7rem;
  color: #ecfbf4;
  font-size: 0.98rem;
  text-shadow: 0 2px 5px rgba(0, 0, 0, 0.95);
}

/* ---------- パンくず ---------- */
.breadcrumb {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0.9rem 1.2rem 0;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.breadcrumb a {
  color: var(--mint-600);
}

/* ---------- 2カラムレイアウト ---------- */
.page-layout {
  max-width: 1240px;
  margin: 0 auto;
  padding: 1.6rem 1.2rem 4rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 2.4rem;
  align-items: start;
}

.page-content {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 2.4rem 2.6rem;
  box-shadow: var(--shadow);
  min-width: 0;
}

.page-content .lead {
  font-size: 1.03rem;
  font-weight: 500;
  color: var(--graphite-800);
  border-left: 4px solid var(--mint-500);
  background: var(--mint-050);
  padding: 1rem 1.3rem;
  border-radius: 0 8px 8px 0;
  margin-bottom: 1.8rem;
}

.page-content section {
  margin-top: 2.6rem;
}

.page-content h2 {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.34rem;
  line-height: 1.5;
  color: var(--graphite-900);
  padding-bottom: 0.55rem;
  border-bottom: 2px solid var(--graphite-150);
  margin-bottom: 1.1rem;
  position: relative;
}

.page-content h2::before {
  content: "";
  flex-shrink: 0;
  width: 15px;
  height: 15px;
  border: 3px solid var(--mint-500);
  border-top-color: transparent;
  border-radius: 50%;
  transform: rotate(45deg);
}

.page-content h2::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 90px;
  height: 2px;
  background: var(--mint-500);
}

.page-content h3 {
  font-size: 1.08rem;
  color: var(--graphite-800);
  margin: 1.5rem 0 0.7rem;
  padding-left: 0.7rem;
  border-left: 4px solid var(--mint-400);
}

.page-content p {
  margin-bottom: 1.1rem;
}

.page-content ul,
.page-content ol {
  margin: 0 0 1.2rem;
}

.page-content li {
  margin-bottom: 0.35rem;
}

/* 要点コールアウト */
.callout {
  background: var(--graphite-800);
  color: var(--graphite-100);
  border-radius: 8px;
  padding: 1rem 1.3rem;
  font-size: 0.94rem;
  margin: 0 0 1.4rem;
  border-left: 5px solid var(--mint-400);
}

.callout strong {
  color: var(--mint-300);
}

/* ---------- 図解・データ表現 ---------- */
.figure {
  background: var(--mint-050);
  border: 1px solid var(--mint-100);
  border-radius: var(--radius);
  padding: 1.3rem 1.4rem;
  margin: 1.4rem 0 1.6rem;
}

.figure-title {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--graphite-800);
  margin-bottom: 0.9rem;
}

.figure-title::before {
  content: "▣ ";
  color: var(--mint-600);
}

.figure-note {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 0.7rem;
  margin-bottom: 0;
}

.table-scroll {
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--paper);
  font-size: 0.88rem;
  min-width: 560px;
}

.data-table th,
.data-table td {
  border: 1px solid var(--line);
  padding: 0.6rem 0.8rem;
  text-align: left;
  vertical-align: top;
  line-height: 1.7;
}

.data-table thead th {
  background: var(--graphite-800);
  color: #fff;
  font-weight: 600;
  white-space: nowrap;
}

.data-table tbody th {
  background: var(--mint-100);
  color: var(--graphite-900);
  font-weight: 600;
  white-space: nowrap;
}

.data-table tbody tr:nth-child(even) td {
  background: #f7faf9;
}

/* 横棒グラフ */
.bar-chart {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.bar-row {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr) 90px;
  align-items: center;
  gap: 0.7rem;
  font-size: 0.85rem;
}

.bar-label {
  font-weight: 600;
  color: var(--graphite-800);
  text-align: right;
  line-height: 1.4;
}

.bar-track {
  background: var(--graphite-150);
  border-radius: 999px;
  height: 18px;
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--mint-600), var(--mint-400));
}

.bar-fill.bar-gray {
  background: linear-gradient(90deg, var(--graphite-700), var(--graphite-600));
}

.bar-value {
  font-family: var(--font-accent);
  font-weight: 700;
  color: var(--mint-600);
  white-space: nowrap;
}

/* タイムライン */
.timeline {
  list-style: none;
  padding: 0;
  margin: 0.4rem 0 0.4rem;
  border-left: 3px solid var(--mint-400);
}

.timeline li {
  position: relative;
  padding: 0 0 1.1rem 1.4rem;
  margin: 0;
}

.timeline li::before {
  content: "";
  position: absolute;
  left: -9px;
  top: 0.5em;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--paper);
  border: 3px solid var(--mint-500);
}

.timeline .tl-year {
  display: inline-block;
  font-family: var(--font-accent);
  font-weight: 700;
  color: var(--graphite-900);
  background: var(--mint-100);
  border-radius: 4px;
  padding: 0 0.5rem;
  margin-right: 0.5rem;
  font-size: 0.85rem;
}

/* 循環フロー（バリューチェーン図） */
.flow-loop {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  gap: 0.5rem;
  justify-content: center;
}

.flow-step {
  flex: 1 1 150px;
  min-width: 140px;
  background: var(--paper);
  border: 2px solid var(--mint-400);
  border-radius: 10px;
  padding: 0.8rem 0.9rem;
  text-align: center;
  position: relative;
}

.flow-step strong {
  display: block;
  color: var(--mint-600);
  font-size: 0.95rem;
  margin-bottom: 0.25rem;
}

.flow-step span {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.55;
  display: block;
}

.flow-arrow {
  align-self: center;
  color: var(--mint-600);
  font-weight: 700;
  font-size: 1.3rem;
  flex: 0 0 auto;
}

/* 統計カード（TOP） */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.1rem;
  margin: 1.5rem 0;
}

.stat-card {
  background: var(--graphite-900);
  border-radius: var(--radius);
  padding: 1.3rem 1.4rem;
  color: var(--graphite-100);
  border-top: 3px solid var(--mint-400);
}

.stat-card .stat-value {
  font-family: var(--font-accent);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--mint-300);
  line-height: 1.2;
}

.stat-card .stat-label {
  font-size: 0.82rem;
  margin-top: 0.45rem;
  color: var(--graphite-300);
  line-height: 1.6;
}

/* ---------- TOPページ セクション ---------- */
.section-band {
  max-width: 1240px;
  margin: 0 auto;
  padding: 3rem 1.2rem 0;
}

.section-band:last-of-type {
  padding-bottom: 4rem;
}

.section-heading {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-size: 1.5rem;
  color: var(--graphite-900);
  margin-bottom: 0.4rem;
}

.section-heading::before {
  content: "";
  width: 16px;
  height: 16px;
  border: 3px solid var(--mint-500);
  border-top-color: transparent;
  border-radius: 50%;
  transform: rotate(45deg);
  flex-shrink: 0;
}

.section-lead {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 1.6rem;
}

.about-panel {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 2rem 2.2rem;
}

.about-panel p {
  margin-bottom: 1rem;
}

/* ニュースリスト */
.news-list {
  list-style: none;
  padding: 0;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.news-list li {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.1rem;
  padding: 1.05rem 1.5rem;
  border-bottom: 1px solid var(--line);
  align-items: baseline;
}

.news-list li:last-child {
  border-bottom: none;
}

.news-date {
  font-family: var(--font-accent);
  font-weight: 700;
  color: var(--mint-600);
  font-size: 0.85rem;
  white-space: nowrap;
}

.news-tag {
  font-size: 0.7rem;
  font-weight: 600;
  color: #fff;
  background: var(--graphite-700);
  border-radius: 4px;
  padding: 0.05rem 0.5rem;
  white-space: nowrap;
}

.news-text {
  flex: 1 1 100%;
  font-size: 0.94rem;
  line-height: 1.75;
}

/* コンテンツカード */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.3rem;
}

.content-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.content-card:hover {
  transform: translateY(-4px);
  border-color: var(--mint-400);
}

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

.content-card .card-body {
  padding: 1.1rem 1.2rem 1.3rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex: 1;
}

.content-card .card-no {
  font-family: var(--font-accent);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: var(--mint-600);
}

.content-card h3 {
  font-size: 1.02rem;
  line-height: 1.5;
  color: var(--graphite-900);
}

.content-card h3 a {
  color: inherit;
}

.content-card p {
  font-size: 0.84rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.card-link {
  margin-top: auto;
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--mint-600);
}

.card-link::after {
  content: " →";
}

/* ---------- サイドバー ---------- */
.sidebar {
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
  min-width: 0;
}

.sidebar-block {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.2rem 1.3rem;
  box-shadow: var(--shadow);
}

.sidebar-title {
  font-size: 0.98rem;
  color: var(--graphite-900);
  border-bottom: 2px solid var(--mint-400);
  padding-bottom: 0.45rem;
  margin-bottom: 0.8rem;
}

.toc-list,
.related-list {
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 0.87rem;
}

.toc-list li,
.related-list li {
  padding: 0.4rem 0;
  border-bottom: 1px dashed var(--line);
  line-height: 1.6;
}

.toc-list li:last-child,
.related-list li:last-child {
  border-bottom: none;
}

.toc-list a::before {
  content: "◍ ";
  color: var(--mint-500);
}

.related-list a::before {
  content: "▸ ";
  color: var(--mint-500);
}

.toc-list a,
.related-list a {
  color: var(--graphite-800);
}

.toc-list a:hover,
.related-list a:hover {
  color: var(--mint-600);
}

/* 広告 */
.ad-box {
  text-align: center;
}

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

.ad-label {
  display: block;
  font-family: var(--font-accent);
  font-size: 0.62rem;
  letter-spacing: 0.3em;
  color: var(--graphite-300);
  margin-bottom: 0.5rem;
}

.amazon-banner {
  margin: 0 0 1.2rem;
}

.amazon-banner a {
  display: block;
  background: var(--mint-050);
  border: 1px dashed var(--mint-500);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  text-align: center;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--graphite-800);
  transition: var(--transition);
}

.amazon-banner a:hover {
  background: var(--mint-100);
  text-decoration: none;
}

.sidebar .amazon-banner {
  margin: 0;
}

.inline-ad {
  margin: 0 0 1.3rem;
  text-align: center;
}

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

.inline-ad-text {
  background: #f7f9f8;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.7rem 1rem;
  font-size: 0.86rem;
}

.inline-ad-text span {
  color: var(--graphite-300);
  font-size: 0.72rem;
  margin-right: 0.5rem;
}

/* ---------- フッター ---------- */
.site-footer {
  background: var(--graphite-950);
  color: var(--graphite-100);
  padding: 3rem 1.2rem 1.6rem;
  border-top: 3px solid var(--mint-500);
}

.footer-grid {
  max-width: 1240px;
  margin: 0 auto 2rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
}

.footer-heading {
  font-size: 0.95rem;
  color: var(--mint-300);
  margin-bottom: 0.8rem;
  letter-spacing: 0.05em;
}

.footer-about {
  font-size: 0.83rem;
  color: var(--graphite-300);
  line-height: 1.8;
}

.footer-grid ul {
  list-style: none;
  padding: 0;
  font-size: 0.85rem;
}

.footer-grid li {
  margin-bottom: 0.45rem;
}

.footer-grid a {
  color: var(--graphite-100);
}

.footer-grid a:hover {
  color: var(--mint-300);
}

.footer-links {
  max-width: 1240px;
  margin: 0 auto 1.2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.4rem;
  justify-content: center;
  padding-top: 1.4rem;
  border-top: 1px solid var(--graphite-700);
}

.footer-links a {
  color: var(--graphite-300);
  font-size: 0.82rem;
}

.footer-links a:hover {
  color: var(--mint-300);
}

.copyright {
  text-align: center;
  font-size: 0.78rem;
  color: var(--graphite-600);
}

/* ---------- レスポンシブ ---------- */
@media (max-width: 1060px) {
  .nav-toggle {
    display: flex;
  }

  .global-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--graphite-900);
    border-bottom: 2px solid var(--mint-500);
    box-shadow: 0 14px 30px rgba(0, 0, 0, 0.35);
  }

  .global-nav.open {
    display: block;
  }

  .nav-menu {
    flex-direction: column;
    align-items: stretch;
    max-width: none;
    padding: 0.8rem 1rem 1.1rem;
    gap: 0.15rem;
  }

  .nav-item a {
    display: block;
    padding: 0.7rem 0.9rem;
    font-size: 0.95rem;
    border-bottom: 1px solid var(--graphite-700);
  }

  .page-layout {
    grid-template-columns: 1fr;
  }

  .sidebar {
    order: 2;
  }
}

@media (max-width: 720px) {
  body {
    font-size: 15px;
  }

  .hero {
    min-height: 420px;
  }

  .page-content {
    padding: 1.5rem 1.2rem;
  }

  .about-panel {
    padding: 1.4rem 1.2rem;
  }

  .bar-row {
    grid-template-columns: 105px minmax(0, 1fr) 72px;
    font-size: 0.78rem;
  }

  .news-list li {
    padding: 0.9rem 1rem;
  }

  .brand-text {
    font-size: 0.98rem;
  }

  .footer-links {
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
  }
}

/* ---------- パートナー募集 ---------- */
.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 700;
  line-height: 1;
  padding: 0.85rem 1.5rem;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  text-align: center;
}

.btn:hover {
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.btn-primary {
  background: var(--mint-600);
  color: #ffffff;
}

.btn-primary:hover {
  background: var(--mint-500);
  color: #ffffff;
}

.btn-secondary {
  background: var(--mint-050);
  color: var(--mint-600);
  border-color: var(--mint-400);
}

.btn-secondary:hover {
  background: var(--mint-100);
}

.partner-badge {
  display: inline-block;
  font-family: var(--font-accent);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--mint-600);
  background: var(--mint-100);
  border: 1px solid var(--mint-400);
  border-radius: 999px;
  padding: 0.2rem 0.85rem;
  margin-bottom: 0.7rem;
}

.partner-inline-section {
  max-width: 1240px;
  margin: 0 auto;
  padding: 3rem 1.2rem 0;
}

.page-content .partner-inline-section {
  max-width: none;
  padding: 2.4rem 0 0;
}

.partner-inline-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 5px solid var(--mint-500);
  border-radius: var(--radius);
  padding: 1.8rem 2rem;
  box-shadow: var(--shadow);
}

.partner-inline-card .partner-inline-title {
  display: block;
  font-size: 1.18rem;
  line-height: 1.5;
  color: var(--graphite-900);
  border-bottom: none;
  padding-bottom: 0;
  margin: 0 0 0.5rem;
}

.partner-inline-card .partner-inline-title::before,
.partner-inline-card .partner-inline-title::after {
  content: none;
}

.partner-inline-card .partner-inline-description {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.8;
  margin: 0;
}

.partner-inline-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  justify-content: flex-end;
  flex-shrink: 0;
}

/* パートナー募集ページ */
.partner-page-hero {
  background: linear-gradient(115deg, var(--graphite-950) 0%, var(--graphite-800) 62%, var(--mint-600) 135%);
  border-bottom: 3px solid var(--mint-500);
  padding: 3.4rem 1.2rem 3rem;
}

.partner-page-inner {
  max-width: 1240px;
  margin: 0 auto;
}

.partner-page-eyebrow {
  display: inline-block;
  font-family: var(--font-accent);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--mint-300);
  background: rgba(16, 19, 22, 0.55);
  border: 1px solid var(--mint-400);
  border-radius: 999px;
  padding: 0.28rem 0.9rem;
  margin-bottom: 1rem;
}

.partner-page-title {
  font-size: clamp(1.5rem, 3.4vw, 2.3rem);
  line-height: 1.4;
  color: #ffffff;
  margin-bottom: 0.9rem;
}

.partner-page-lead {
  max-width: 860px;
  font-size: 0.97rem;
  line-height: 1.95;
  color: var(--graphite-100);
}

.partner-page-content {
  max-width: 980px;
  margin: 0 auto;
  padding: 1.8rem 1.2rem 4rem;
}

.partner-page-grid {
  display: grid;
  gap: 1.5rem;
}

.partner-content-block {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 2rem 2.2rem;
  box-shadow: var(--shadow);
}

.partner-content-block h2 {
  font-size: 1.24rem;
  line-height: 1.5;
  color: var(--graphite-900);
  padding-bottom: 0.55rem;
  border-bottom: 2px solid var(--graphite-150);
  margin-bottom: 1rem;
  position: relative;
}

.partner-content-block h2::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 70px;
  height: 2px;
  background: var(--mint-500);
}

.partner-content-block h3 {
  font-size: 1.04rem;
  color: var(--graphite-800);
  margin: 1.5rem 0 0.6rem;
  padding-left: 0.7rem;
  border-left: 4px solid var(--mint-400);
}

.partner-content-block p + p,
.partner-content-block ul,
.partner-content-block ol {
  margin-top: 0.8rem;
}

.partner-content-block li + li {
  margin-top: 0.4rem;
}

.partner-highlight-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0.9rem;
  margin-top: 1.3rem;
}

.partner-highlight-card {
  background: var(--mint-050);
  border: 1px solid var(--mint-100);
  border-radius: var(--radius);
  padding: 1.15rem 1.3rem;
}

.partner-highlight-card h3 {
  font-family: var(--font-accent);
  font-size: 1.05rem;
  color: var(--mint-600);
  margin: 0 0 0.35rem;
  padding-left: 0;
  border-left: none;
}

.partner-highlight-card p {
  font-size: 0.87rem;
  color: var(--text-muted);
  line-height: 1.75;
  margin: 0;
}

.partner-note {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 1rem;
}

.partner-cta-box {
  background: var(--graphite-900);
  border-color: var(--graphite-700);
  border-top: 3px solid var(--mint-400);
  color: var(--graphite-100);
}

.partner-cta-box h2 {
  color: #ffffff;
  border-bottom-color: var(--graphite-700);
}

.partner-cta-box p,
.partner-cta-box li {
  color: var(--graphite-100);
}

.partner-cta-box .partner-note {
  color: var(--graphite-300);
}

.partner-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.3rem;
}

.partner-cta-box .btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--mint-300);
  border-color: var(--mint-400);
}

.partner-cta-box .btn-secondary:hover {
  background: rgba(255, 255, 255, 0.16);
}

@media (max-width: 960px) {
  .partner-inline-card {
    flex-direction: column;
    align-items: flex-start;
  }

  .partner-inline-actions {
    justify-content: flex-start;
  }
}

@media (max-width: 720px) {
  .partner-content-block,
  .partner-inline-card {
    padding: 1.4rem 1.2rem;
  }

  .partner-cta-actions .btn,
  .partner-inline-actions .btn {
    width: 100%;
  }
}

/* Mobile content-width baseline. Blog-specific rules live in blog/blog.css. */
@media (max-width: 768px) {
  .page-content, .two-col-layout { padding-inline: 16px; }
  .two-col-layout, .blog-main { min-width: 0; }
  .sidebar { position: static; order: 2; }
}