/* ==========================================================
   SAF・持続可能航空燃料産業レポート 共通スタイル
   デザイン: 航空会社風 / ホワイト×スカイブルー / ゴールドアクセント
   ========================================================== */
:root {
  --sky-deep: #0a5c9c;
  --sky: #2e8fd4;
  --sky-pale: #eaf4fc;
  --sky-mist: #f6fafd;
  --navy: #12314e;
  --gold: #b8963e;
  --gold-light: #d9bc72;
  --gold-pale: #f7f0dd;
  --ink: #1c2b3a;
  --text: #34495e;
  --line: #d5e4f0;
  --white: #ffffff;
  --shadow: 0 8px 28px rgba(10, 92, 156, 0.12);
  --radius: 12px;
  --transition: all 0.3s ease;
  --font-serif: "Noto Serif JP", serif;
  --font-sans: "Noto Sans JP", sans-serif;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 130px;
}

body {
  font-family: var(--font-sans);
  color: var(--text);
  background: linear-gradient(180deg, var(--white) 0%, var(--sky-mist) 60%, var(--sky-pale) 100%);
  line-height: 1.9;
  font-size: 16px;
}

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

a {
  color: var(--sky-deep);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--gold);
}

/* ---------- ヘッダー ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: saturate(1.2);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 2px 12px rgba(10, 92, 156, 0.08);
}

.header-gold-line {
  height: 4px;
  background: linear-gradient(90deg, var(--gold) 0%, var(--gold-light) 50%, var(--gold) 100%);
}

.header-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0.7rem 1.2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: flex;
  flex-direction: column;
  line-height: 1.3;
}

.brand a {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: 0.04em;
}

.brand a span {
  color: var(--sky-deep);
}

.brand-tagline {
  font-size: 0.68rem;
  color: var(--gold);
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 0.2rem 1.5rem;
  align-items: center;
  flex-wrap: wrap;
  max-width: 900px;
  justify-content: center;
}

.nav-item a {
  font-weight: 500;
  color: var(--ink);
  padding: 0.4rem 0.8rem;
  border-radius: 8px;
  transition: var(--transition);
  font-size: 0.9rem;
  white-space: nowrap;
  display: block;
}

.nav-item a:hover,
.nav-item a.active {
  background: var(--sky-pale);
  color: var(--sky-deep);
}

.nav-item a.nav-blog {
  border: 1px solid var(--gold);
  color: var(--gold);
}

.nav-item a.nav-blog:hover {
  background: var(--gold);
  color: var(--white);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 40px;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 8px;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--sky-deep);
  border-radius: 2px;
  transition: var(--transition);
}

.nav-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---------- ヒーロー（TOP） ---------- */
.hero {
  position: relative;
  min-height: 520px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background-size: cover;
  background-position: center;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 60, 110, 0.15) 0%, rgba(10, 49, 78, 0.45) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 4rem 1.5rem;
  max-width: 900px;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 0.85rem;
  letter-spacing: 0.3em;
  color: #ffe9ad;
  border: 1px solid rgba(255, 233, 173, 0.7);
  padding: 0.35rem 1.2rem;
  border-radius: 999px;
  margin-bottom: 1.2rem;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.75);
  background: rgba(18, 49, 78, 0.35);
}

.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 4.5vw, 3.1rem);
  font-weight: 700;
  color: #ffffff;
  letter-spacing: 0.05em;
  line-height: 1.5;
  text-shadow: 0 3px 10px rgba(0, 0, 0, 0.85), 0 0 30px rgba(10, 49, 78, 0.9), 2px 2px 4px rgba(0, 0, 0, 0.9);
}

.hero p {
  margin-top: 1.2rem;
  font-size: clamp(0.95rem, 2vw, 1.15rem);
  color: #f2f9ff;
  font-weight: 500;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.9), 1px 1px 3px rgba(0, 0, 0, 0.9);
}

/* ---------- 下層ページヒーロー ---------- */
.page-hero {
  position: relative;
  min-height: 320px;
  display: flex;
  align-items: flex-end;
  background-size: cover;
  background-position: center;
}

.page-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 60, 110, 0.1) 30%, rgba(18, 49, 78, 0.72) 100%);
}

.page-hero-content {
  position: relative;
  z-index: 2;
  max-width: 1180px;
  margin: 0 auto;
  width: 100%;
  padding: 2.5rem 1.2rem;
}

.page-hero .breadcrumb {
  font-size: 0.8rem;
  color: #dceefb;
  margin-bottom: 0.6rem;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.8);
}

.page-hero .breadcrumb a {
  color: #ffe9ad;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.8);
}

.page-hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3.5vw, 2.3rem);
  color: #ffffff;
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.5;
  text-shadow: 0 3px 10px rgba(0, 0, 0, 0.85), 1px 1px 3px rgba(0, 0, 0, 0.9);
}

.page-hero .page-lead {
  color: #eaf4fc;
  font-size: 0.95rem;
  margin-top: 0.5rem;
  text-shadow: 0 2px 6px rgba(0, 0, 0, 0.85);
}

/* ---------- 共通レイアウト ---------- */
.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 1.2rem;
}

.section {
  padding: 3.5rem 0;
}

.section-title {
  font-family: var(--font-serif);
  font-size: 1.7rem;
  color: var(--navy);
  text-align: center;
  letter-spacing: 0.06em;
  margin-bottom: 0.5rem;
}

.section-title-en {
  display: block;
  text-align: center;
  font-size: 0.75rem;
  letter-spacing: 0.35em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 2rem;
}

.gold-divider {
  width: 64px;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
  margin: 0.8rem auto 1.6rem;
  border-radius: 2px;
}

/* ---------- TOP: 概要 ---------- */
.overview-box {
  background: var(--white);
  border: 1px solid var(--line);
  border-top: 4px solid var(--gold);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 2.2rem 2.4rem;
  max-width: 940px;
  margin: 0 auto;
}

.overview-box p {
  margin-bottom: 1.1rem;
}

.overview-box p:last-child {
  margin-bottom: 0;
}

.stat-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.2rem;
  max-width: 940px;
  margin: 2.2rem auto 0;
}

.stat-card {
  background: linear-gradient(160deg, var(--white), var(--sky-pale));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  text-align: center;
  padding: 1.4rem 0.8rem;
}

.stat-card .stat-num {
  font-family: var(--font-serif);
  font-size: 1.7rem;
  color: var(--sky-deep);
  font-weight: 700;
  line-height: 1.3;
}

.stat-card .stat-num small {
  font-size: 0.9rem;
}

.stat-card .stat-label {
  font-size: 0.78rem;
  color: var(--text);
  margin-top: 0.3rem;
}

/* ---------- TOP: ニュース ---------- */
.news-list {
  list-style: none;
  max-width: 940px;
  margin: 0 auto;
}

.news-list li {
  background: var(--white);
  border: 1px solid var(--line);
  border-left: 4px solid var(--sky);
  border-radius: 8px;
  padding: 1.1rem 1.4rem;
  margin-bottom: 0.9rem;
  display: flex;
  gap: 1.2rem;
  align-items: baseline;
  box-shadow: 0 3px 12px rgba(10, 92, 156, 0.06);
}

.news-list time {
  flex-shrink: 0;
  font-family: var(--font-serif);
  color: var(--gold);
  font-weight: 700;
  font-size: 0.9rem;
  min-width: 6.2em;
}

.news-list .news-text strong {
  display: block;
  color: var(--navy);
  font-size: 1rem;
}

.news-list .news-text span {
  font-size: 0.88rem;
  color: var(--text);
}

/* ---------- TOP: ページカード ---------- */
.page-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.4rem;
}

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

.page-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 14px 34px rgba(10, 92, 156, 0.2);
}

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

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

.page-card-num {
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  color: var(--gold);
  margin-bottom: 0.3rem;
}

.page-card h3 {
  font-family: var(--font-serif);
  font-size: 1.02rem;
  color: var(--navy);
  line-height: 1.5;
  margin-bottom: 0.5rem;
}

.page-card p {
  font-size: 0.84rem;
  line-height: 1.7;
  flex: 1;
}

.page-card .card-link {
  margin-top: 0.8rem;
  font-size: 0.82rem;
  color: var(--sky-deep);
  font-weight: 700;
}

.page-card .card-link::after {
  content: " →";
  color: var(--gold);
}

/* ---------- 下層: 2カラム ---------- */
.page-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 2.4rem;
  padding: 2.8rem 0 3.5rem;
}

.main-content {
  min-width: 0;
}

.main-content article {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 2.4rem 2.6rem;
}

.main-content h2 {
  font-family: var(--font-serif);
  font-size: 1.42rem;
  color: var(--navy);
  border-bottom: 2px solid var(--line);
  padding-bottom: 0.6rem;
  margin: 2.6rem 0 1.2rem;
  position: relative;
  letter-spacing: 0.03em;
}

.main-content h2::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 72px;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
}

.main-content h2:first-of-type {
  margin-top: 0;
}

.main-content h3 {
  font-size: 1.08rem;
  color: var(--sky-deep);
  margin: 1.8rem 0 0.8rem;
  padding-left: 0.7rem;
  border-left: 4px solid var(--gold);
}

.main-content p {
  margin-bottom: 1.15rem;
}

.main-content ul,
.main-content ol {
  margin: 0 0 1.15rem 1.5rem;
}

.main-content li {
  margin-bottom: 0.4rem;
}

.lead-note {
  background: var(--sky-pale);
  border-left: 4px solid var(--sky);
  border-radius: 6px;
  padding: 1rem 1.3rem;
  font-size: 0.93rem;
  margin-bottom: 1.6rem;
}

/* ---------- 図表 ---------- */
.chart-block {
  background: var(--sky-mist);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.5rem 1.6rem;
  margin: 1.6rem 0;
}

.chart-block .chart-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 1.1rem;
}

.chart-block .chart-title::before {
  content: "◆ ";
  color: var(--gold);
}

.bar-row {
  display: grid;
  grid-template-columns: 11em minmax(0, 1fr) 5.5em;
  align-items: center;
  gap: 0.7rem;
  margin-bottom: 0.7rem;
  font-size: 0.85rem;
}

.bar-row .bar-label {
  color: var(--ink);
  font-weight: 500;
  text-align: right;
}

.bar-row .bar-track {
  background: #e2edf6;
  border-radius: 99px;
  height: 18px;
  overflow: hidden;
}

.bar-row .bar-fill {
  height: 100%;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--sky-deep), var(--sky));
}

.bar-row .bar-fill.gold {
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
}

.bar-row .bar-value {
  font-weight: 700;
  color: var(--sky-deep);
  font-size: 0.83rem;
}

.chart-note {
  font-size: 0.76rem;
  color: #6c8299;
  margin-top: 0.8rem;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.87rem;
  margin: 1.6rem 0;
  background: var(--white);
}

.data-table caption {
  caption-side: top;
  text-align: left;
  font-weight: 700;
  color: var(--navy);
  font-size: 0.95rem;
  margin-bottom: 0.7rem;
}

.data-table caption::before {
  content: "◆ ";
  color: var(--gold);
}

.data-table th,
.data-table td {
  border: 1px solid var(--line);
  padding: 0.65rem 0.8rem;
  text-align: left;
  vertical-align: top;
}

.data-table thead th {
  background: linear-gradient(180deg, var(--sky-deep), #094f86);
  color: var(--white);
  font-weight: 700;
  white-space: nowrap;
}

.data-table tbody tr:nth-child(even) {
  background: var(--sky-mist);
}

.data-table tbody th {
  background: var(--sky-pale);
  color: var(--navy);
  white-space: nowrap;
}

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

/* タイムライン */
.timeline {
  list-style: none;
  margin: 1.6rem 0;
  padding-left: 0.4rem;
  border-left: 3px solid var(--gold-light);
}

.timeline li {
  position: relative;
  padding: 0 0 1.3rem 1.5rem;
}

.timeline li::before {
  content: "";
  position: absolute;
  left: -0.62rem;
  top: 0.45rem;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--white);
  border: 3px solid var(--gold);
}

.timeline .tl-year {
  font-family: var(--font-serif);
  font-weight: 700;
  color: var(--sky-deep);
  display: block;
  font-size: 0.95rem;
}

.timeline .tl-body {
  font-size: 0.9rem;
}

/* ---------- サイドバー ---------- */
.sidebar {
  display: flex;
  flex-direction: column;
  gap: 1.6rem;
}

.sidebar-widget {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 4px 14px rgba(10, 92, 156, 0.07);
  padding: 1.2rem 1.3rem;
}

.sidebar-widget .widget-title {
  font-family: var(--font-serif);
  font-size: 0.98rem;
  color: var(--navy);
  border-bottom: 2px solid var(--gold-light);
  padding-bottom: 0.5rem;
  margin-bottom: 0.9rem;
  letter-spacing: 0.05em;
}

.sidebar-widget ul {
  list-style: none;
}

.sidebar-widget li {
  margin-bottom: 0.55rem;
  font-size: 0.87rem;
  line-height: 1.6;
}

.toc-list li a {
  display: block;
  padding: 0.35rem 0.2rem 0.35rem 1.1rem;
  position: relative;
  color: var(--ink);
  border-bottom: 1px dashed var(--line);
}

.toc-list li a::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--gold);
}

.toc-list li a:hover {
  color: var(--sky-deep);
}

.related-list li a::before {
  content: "→ ";
  color: var(--gold);
}

.ad-widget {
  text-align: center;
  overflow: hidden;
}

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

.ad-label {
  display: block;
  font-size: 0.68rem;
  color: #8ba2b8;
  letter-spacing: 0.15em;
  margin-bottom: 0.4rem;
  text-align: center;
}

.amazon-banner {
  border: 1px solid var(--gold-light);
  background: var(--gold-pale);
  border-radius: 8px;
  padding: 0.9rem 1rem;
  text-align: center;
  font-size: 0.9rem;
  font-weight: 700;
}

.amazon-banner a {
  color: var(--navy);
  display: block;
}

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

/* 本文内バナー */
.inline-ad {
  margin: 1.6rem 0;
  padding: 0.9rem 1rem;
  background: var(--sky-mist);
  border: 1px dashed var(--line);
  border-radius: 8px;
  text-align: center;
  font-size: 0.88rem;
  overflow-x: auto;
}

/* ---------- 次ページ導線 ---------- */
.page-nav {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 2.2rem;
}

.page-nav a {
  flex: 1;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.9rem 1.2rem;
  font-size: 0.88rem;
  color: var(--navy);
  box-shadow: 0 3px 10px rgba(10, 92, 156, 0.07);
}

.page-nav a:hover {
  border-color: var(--gold);
  color: var(--gold);
}

.page-nav .next {
  text-align: right;
}

/* ---------- フッター ---------- */
.site-footer {
  background: linear-gradient(180deg, var(--navy) 0%, #0c2338 100%);
  color: #cfe2f2;
  margin-top: 3rem;
  border-top: 4px solid var(--gold);
}

.footer-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 2.8rem 1.2rem 1.6rem;
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 2rem;
}

.footer-brand {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  color: var(--white);
  margin-bottom: 0.6rem;
}

.footer-brand span {
  color: var(--gold-light);
}

.footer-desc {
  font-size: 0.82rem;
  line-height: 1.8;
}

.footer-col h4 {
  font-size: 0.85rem;
  color: var(--gold-light);
  letter-spacing: 0.12em;
  margin-bottom: 0.8rem;
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: 0.45rem;
  font-size: 0.83rem;
}

.footer-col a {
  color: #cfe2f2;
}

.footer-col a:hover {
  color: var(--gold-light);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 1rem;
  padding-top: 1.4rem;
  border-top: 1px solid rgba(207, 226, 242, 0.2);
}

.footer-links a {
  color: #cfe2f2;
  text-decoration: none;
  padding: 0.3rem 0.9rem;
  border-radius: 4px;
  transition: opacity 0.3s ease;
  font-size: 0.83rem;
}

.footer-links a:hover {
  opacity: 0.7;
  color: var(--gold-light);
}

.footer-bottom {
  text-align: center;
  font-size: 0.78rem;
  padding: 0 1.2rem 1.6rem;
  color: #9db8cf;
}

/* ---------- レスポンシブ ---------- */
@media (max-width: 1024px) {
  .page-layout {
    grid-template-columns: minmax(0, 1fr) 280px;
    gap: 1.6rem;
  }

  .page-cards {
    grid-template-columns: repeat(2, 1fr);
  }

  .stat-strip {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 860px) {
  html {
    scroll-padding-top: 80px;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    max-width: none;
    border-bottom: 1px solid var(--line);
    box-shadow: 0 14px 24px rgba(10, 92, 156, 0.15);
    padding: 0.6rem 0;
  }

  .nav-menu.open {
    display: flex;
  }

  .nav-item a {
    padding: 0.85rem 1.6rem;
    border-radius: 0;
    font-size: 0.95rem;
  }

  .nav-item a.nav-blog {
    border: none;
    border-top: 1px solid var(--line);
  }

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

  .main-content article {
    padding: 1.6rem 1.3rem;
  }

  .hero {
    min-height: 420px;
  }

  .news-list li {
    flex-direction: column;
    gap: 0.2rem;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 1.6rem;
  }

  .bar-row {
    grid-template-columns: 7em minmax(0, 1fr) 4.5em;
    font-size: 0.78rem;
  }

  .page-nav {
    flex-direction: column;
  }
}

@media (max-width: 520px) {
  .page-cards {
    grid-template-columns: 1fr;
  }

  .stat-strip {
    grid-template-columns: 1fr 1fr;
    gap: 0.8rem;
  }

  .overview-box {
    padding: 1.5rem 1.2rem;
  }
}

/* ---------- 業界応援パートナー募集 ---------- */
.partner-inline-section {
  padding: 56px 24px;
  background: var(--sky-mist);
}

.partner-inline-card {
  max-width: 1080px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 36px 40px;
  box-shadow: var(--shadow);
}

.partner-badge {
  display: inline-block;
  padding: 0.3rem 0.9rem;
  border-radius: 999px;
  background: var(--gold-pale);
  color: #8a6d2a;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  margin-bottom: 12px;
}

.partner-inline-title {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  color: var(--navy);
  margin-bottom: 10px;
  line-height: 1.5;
}

.partner-inline-description {
  color: var(--text);
  font-size: 0.95rem;
  margin: 0;
}

.partner-inline-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  flex-shrink: 0;
}

.partner-btn {
  display: inline-block;
  padding: 0.7rem 1.6rem;
  border-radius: 999px;
  background: var(--sky-deep);
  color: var(--white);
  font-weight: 700;
  font-size: 0.92rem;
  text-decoration: none;
  transition: var(--transition);
}

.partner-btn:hover {
  background: var(--navy);
  color: var(--white);
}

.partner-btn-ghost {
  background: transparent;
  border: 1px solid var(--sky-deep);
  color: var(--sky-deep);
}

.partner-btn-ghost:hover {
  background: var(--sky-pale);
  color: var(--sky-deep);
}

/* パートナー募集・掲載条件ページ */
.partner-page-hero {
  background: linear-gradient(145deg, var(--navy) 0%, var(--sky-deep) 100%);
  color: var(--white);
  padding: 72px 24px 64px;
}

.partner-page-inner {
  max-width: 980px;
  margin: 0 auto;
}

.partner-page-eyebrow {
  display: inline-block;
  padding: 0.3rem 0.9rem;
  border-radius: 999px;
  background: rgba(217, 188, 114, 0.22);
  color: var(--gold-light);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}

.partner-page-title {
  font-family: var(--font-serif);
  font-size: clamp(1.7rem, 4vw, 2.4rem);
  line-height: 1.4;
  color: var(--white);
  margin-bottom: 16px;
}

.partner-page-lead {
  max-width: 820px;
  color: rgba(255, 255, 255, 0.92);
  margin: 0;
}

.partner-page-content {
  padding: 56px 24px 80px;
  background: var(--sky-mist);
}

.partner-page-grid {
  display: grid;
  gap: 28px;
}

.partner-content-block {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 36px;
  box-shadow: var(--shadow);
}

.partner-content-block h2 {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  color: var(--navy);
  margin-bottom: 14px;
}

.partner-content-block h3 {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--sky-deep);
  margin: 22px 0 10px;
}

.partner-content-block p + p,
.partner-content-block ul,
.partner-content-block ol {
  margin-top: 12px;
}

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

.partner-highlight-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-top: 20px;
}

.partner-highlight-card {
  background: var(--sky-pale);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 22px;
}

.partner-highlight-card h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
  color: #8a6d2a;
}

.partner-highlight-card p {
  font-size: 0.92rem;
  margin: 0;
}

.partner-note {
  font-size: 0.9rem;
  color: var(--text);
  margin-top: 16px;
}

.partner-cta-box {
  background: linear-gradient(145deg, var(--navy) 0%, var(--sky-deep) 100%);
  border: none;
}

.partner-cta-box h2,
.partner-cta-box p,
.partner-cta-box .partner-note {
  color: var(--white);
}

.partner-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.partner-cta-box .partner-btn {
  background: var(--gold);
  color: var(--white);
}

.partner-cta-box .partner-btn:hover {
  background: var(--gold-light);
  color: var(--navy);
}

.partner-cta-box .partner-btn-ghost {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.6);
  color: var(--white);
}

@media (max-width: 820px) {
  .partner-inline-card {
    flex-direction: column;
    align-items: flex-start;
    padding: 28px 24px;
  }

  .partner-content-block {
    padding: 24px 20px;
  }
}

/* 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; }
}