/* =========================================================
   smart-livestock — スマート畜産・酪農DX 業界レポート
   オリジナルデザイン: 牧草グリーン × クリーム × ハーベストアンバー
   ========================================================= */
:root {
  --green-deep: #14452f;
  --green-main: #1e6a43;
  --green-soft: #e4efe7;
  --amber: #d98324;
  --amber-soft: #fdf3e3;
  --teal: #2a9d8f;
  --cream: #faf8f2;
  --ink: #26302b;
  --ink-soft: #55605a;
  --line: #d9e2db;
  --white: #ffffff;
  --shadow: 0 10px 30px rgba(20, 69, 47, 0.12);
  --radius: 14px;
  --transition: all 0.25s ease;
  --font-body: "Noto Sans JP", "Hiragino Kaku Gothic ProN", sans-serif;
  --font-head: "Zen Maru Gothic", "Noto Sans JP", sans-serif;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 120px;
}

body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--cream);
  line-height: 1.9;
  font-size: 16px;
}

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

a {
  color: var(--green-main);
  text-decoration: none;
  transition: var(--transition);
}

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

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

/* ---------- ヘッダー ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(250, 248, 242, 0.94);
  backdrop-filter: blur(8px);
  border-bottom: 3px solid var(--green-main);
}

.header-inner {
  max-width: 1200px;
  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-head);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--green-deep);
  letter-spacing: 0.02em;
}

.brand a:hover {
  color: var(--green-main);
}

.brand .brand-sub {
  font-size: 0.68rem;
  color: var(--ink-soft);
  letter-spacing: 0.12em;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 0.2rem 0.4rem;
  align-items: center;
  flex-wrap: wrap;
  max-width: 860px;
  justify-content: flex-end;
  padding-left: 0;
}

.nav-menu li a {
  display: inline-block;
  font-weight: 500;
  color: var(--ink);
  padding: 0.35rem 0.7rem;
  border-radius: 8px;
  font-size: 0.88rem;
  white-space: nowrap;
}

.nav-menu li a:hover,
.nav-menu li a.active {
  background: var(--green-main);
  color: var(--white);
}

.nav-menu li a.nav-blog {
  border: 1.5px solid var(--amber);
  color: var(--amber);
}

.nav-menu li a.nav-blog:hover {
  background: var(--amber);
  color: var(--white);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 44px;
  height: 40px;
  padding: 8px 10px;
  flex-direction: column;
  justify-content: space-between;
}

.menu-toggle .bar {
  display: block;
  width: 100%;
  height: 3px;
  border-radius: 3px;
  background: var(--green-deep);
  transition: var(--transition);
}

.menu-toggle.open .bar:nth-child(1) {
  transform: translateY(10.5px) rotate(45deg);
}

.menu-toggle.open .bar:nth-child(2) {
  opacity: 0;
}

.menu-toggle.open .bar:nth-child(3) {
  transform: translateY(-10.5px) rotate(-45deg);
}

/* ---------- ヒーロー ---------- */
.hero {
  position: relative;
  min-height: 480px;
  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(20, 69, 47, 0.18) 0%, rgba(20, 69, 47, 0.42) 100%);
}

.hero-inner {
  position: relative;
  z-index: 2;
  padding: 4.5rem 1.5rem;
  max-width: 900px;
}

.hero h1 {
  font-family: var(--font-head);
  font-size: clamp(1.9rem, 4.5vw, 3.2rem);
  font-weight: 900;
  color: #fffdf5;
  letter-spacing: 0.04em;
  line-height: 1.45;
  -webkit-text-stroke: 1px rgba(20, 69, 47, 0.55);
  text-shadow: 0 3px 10px rgba(0, 0, 0, 0.65), 0 0 28px rgba(0, 0, 0, 0.45);
}

.hero p {
  margin-top: 1.1rem;
  color: #fffdf5;
  font-size: clamp(0.95rem, 2vw, 1.15rem);
  font-weight: 700;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.75), 0 0 18px rgba(0, 0, 0, 0.5);
}

.hero-badge {
  display: inline-block;
  margin-bottom: 1rem;
  background: var(--amber);
  color: var(--white);
  font-weight: 700;
  font-size: 0.85rem;
  padding: 0.3rem 1.1rem;
  border-radius: 999px;
  letter-spacing: 0.15em;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.35);
}

/* ページ用コンパクトヒーロー */
.hero.hero-page {
  min-height: 340px;
}

/* ページ別ヒーロー背景 */
.hero-top {
  background-image: url("images/hero-smart-livestock.jpg");
}

.hero-market {
  background-image: url("images/hero-market-overview.jpg");
}

.hero-sensor {
  background-image: url("images/hero-sensor-monitoring.jpg");
}

.hero-ai {
  background-image: url("images/hero-ai-analytics.jpg");
}

.hero-milking {
  background-image: url("images/hero-milking-robot.jpg");
}

.hero-feed {
  background-image: url("images/hero-feed-optimization.jpg");
}

.hero-labor {
  background-image: url("images/hero-labor-management.jpg");
}

.hero-policy {
  background-image: url("images/hero-policy-support.jpg");
}

.hero-future {
  background-image: url("images/hero-future-outlook.jpg");
}

/* ---------- 共通レイアウト ---------- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.2rem;
}

.section {
  padding: 3.5rem 0;
}

.section-head {
  text-align: center;
  margin-bottom: 2.2rem;
}

.section-head .en {
  display: block;
  color: var(--amber);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  margin-bottom: 0.4rem;
}

.section-head h2 {
  font-family: var(--font-head);
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  color: var(--green-deep);
}

/* ---------- TOP: 概要 ---------- */
.intro-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 2.5rem;
  align-items: center;
}

.intro-text p {
  margin-bottom: 1.1rem;
}

.intro-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.stat-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.3rem 1rem;
  text-align: center;
  box-shadow: var(--shadow);
}

.stat-card .num {
  font-family: var(--font-head);
  font-size: 1.7rem;
  font-weight: 900;
  color: var(--green-main);
  line-height: 1.2;
}

.stat-card .num em {
  font-style: normal;
  color: var(--amber);
}

.stat-card .label {
  font-size: 0.78rem;
  color: var(--ink-soft);
  margin-top: 0.35rem;
  line-height: 1.5;
}

/* ---------- TOP: ニュース ---------- */
.news-section {
  background: var(--green-soft);
}

.news-list {
  list-style: none;
  max-width: 900px;
  margin: 0 auto;
  padding-left: 0;
}

.news-list li {
  background: var(--white);
  border-left: 5px solid var(--amber);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 1rem 1.4rem;
  margin-bottom: 0.9rem;
  box-shadow: 0 4px 14px rgba(20, 69, 47, 0.08);
  display: flex;
  gap: 1.2rem;
  align-items: baseline;
}

.news-list time {
  font-family: var(--font-head);
  font-weight: 700;
  color: var(--green-main);
  white-space: nowrap;
  font-size: 0.9rem;
}

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

.news-list .news-body span {
  display: block;
  font-size: 0.85rem;
  color: var(--ink-soft);
  margin-top: 0.2rem;
}

/* ---------- TOP: トピックカード ---------- */
.topics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.4rem;
}

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

.topic-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 16px 34px rgba(20, 69, 47, 0.2);
}

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

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

.topic-card .topic-no {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--amber);
  letter-spacing: 0.2em;
}

.topic-card h3 {
  font-family: var(--font-head);
  font-size: 1.05rem;
  color: var(--green-deep);
  margin: 0.25rem 0 0.5rem;
  line-height: 1.5;
}

.topic-card p {
  font-size: 0.85rem;
  color: var(--ink-soft);
  flex: 1;
}

.topic-card .topic-link {
  margin-top: 0.8rem;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--green-main);
}

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

/* ---------- 記事ページ: 2カラム ---------- */
.page-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 2.5rem;
  max-width: 1200px;
  margin: 0 auto;
  padding: 3rem 1.2rem 4rem;
}

.article h2 {
  font-family: var(--font-head);
  font-size: 1.5rem;
  color: var(--green-deep);
  border-left: 6px solid var(--amber);
  background: var(--green-soft);
  border-radius: 0 8px 8px 0;
  padding: 0.55rem 1rem;
  margin: 2.6rem 0 1.2rem;
}

.article > section:first-of-type h2 {
  margin-top: 0;
}

.article h3 {
  font-family: var(--font-head);
  font-size: 1.15rem;
  color: var(--green-main);
  margin: 1.8rem 0 0.8rem;
  padding-bottom: 0.3rem;
  border-bottom: 2px dashed var(--line);
}

.article p {
  margin-bottom: 1.15rem;
}

.article .lead {
  font-size: 1.02rem;
  background: var(--amber-soft);
  border-radius: var(--radius);
  padding: 1.2rem 1.4rem;
  border: 1px solid #f0dfc0;
}

.article ul, .article ol {
  margin: 0 0 1.2rem 0;
}

.article li {
  margin-bottom: 0.35rem;
}

/* 図解・SVG */
.figure-block {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.3rem 1.2rem 0.9rem;
  margin: 1.6rem 0;
  box-shadow: 0 4px 14px rgba(20, 69, 47, 0.07);
}

.figure-block svg {
  width: 100%;
  height: auto;
  display: block;
}

.figure-block figcaption {
  font-size: 0.8rem;
  color: var(--ink-soft);
  text-align: center;
  margin-top: 0.6rem;
}

/* 比較表 */
.table-wrap {
  overflow-x: auto;
  margin: 1.6rem 0;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
  font-size: 0.9rem;
  min-width: 560px;
  box-shadow: 0 4px 14px rgba(20, 69, 47, 0.07);
  border-radius: var(--radius);
  overflow: hidden;
}

.data-table caption {
  caption-side: bottom;
  font-size: 0.78rem;
  color: var(--ink-soft);
  padding: 0.5rem 0;
  text-align: center;
}

.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: var(--green-main);
  color: var(--white);
  font-weight: 700;
  white-space: nowrap;
}

.data-table tbody th {
  background: var(--green-soft);
  color: var(--green-deep);
  white-space: nowrap;
}

.data-table tbody tr:nth-child(even) td {
  background: #f6f9f6;
}

/* プロセス図（CSS） */
.process-flow {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-items: stretch;
  margin: 1.6rem 0;
  padding-left: 0;
  list-style: none;
  counter-reset: step;
}

.process-flow li {
  counter-increment: step;
  flex: 1 1 150px;
  background: var(--white);
  border: 2px solid var(--green-main);
  border-radius: 10px;
  padding: 0.9rem 0.9rem 0.9rem;
  position: relative;
  font-size: 0.85rem;
  margin-bottom: 0;
}

.process-flow li::before {
  content: "STEP " counter(step);
  display: block;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.72rem;
  color: var(--amber);
  letter-spacing: 0.15em;
  margin-bottom: 0.25rem;
}

.process-flow li strong {
  display: block;
  color: var(--green-deep);
  margin-bottom: 0.2rem;
}

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

.side-box {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.1rem 1.2rem;
  box-shadow: 0 4px 14px rgba(20, 69, 47, 0.07);
}

.side-box h2 {
  font-family: var(--font-head);
  font-size: 0.98rem;
  color: var(--green-deep);
  border-bottom: 2px solid var(--amber);
  padding-bottom: 0.4rem;
  margin-bottom: 0.8rem;
}

.side-ad {
  text-align: center;
}

.side-ad .ad-label {
  display: block;
  font-size: 0.68rem;
  color: var(--ink-soft);
  letter-spacing: 0.2em;
  margin-bottom: 0.4rem;
}

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

.toc-list {
  list-style: none;
  padding-left: 0;
  font-size: 0.88rem;
}

.toc-list li {
  margin-bottom: 0.45rem;
  padding-left: 1.1em;
  position: relative;
}

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

.related-list {
  list-style: none;
  padding-left: 0;
  font-size: 0.88rem;
}

.related-list li {
  border-bottom: 1px dashed var(--line);
  padding: 0.45rem 0;
}

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

/* Amazonテキストバナー */
.amazon-banner {
  margin: 0.4rem 0 1.2rem;
}

.amazon-banner a {
  display: block;
  background: var(--amber-soft);
  border: 1.5px dashed var(--amber);
  border-radius: 10px;
  padding: 0.7rem 1rem;
  font-size: 0.88rem;
  font-weight: 600;
  color: #9c5a10;
  text-align: center;
}

.amazon-banner a:hover {
  background: #fbe8c9;
}

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

/* 本文末バナー */
.inline-ad {
  margin: 1.4rem 0;
  text-align: center;
  overflow-x: auto;
}

.inline-ad .ad-label {
  display: block;
  font-size: 0.68rem;
  color: var(--ink-soft);
  letter-spacing: 0.2em;
  margin-bottom: 0.3rem;
}

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

/* ページ送り */
.page-nav {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 3rem;
  flex-wrap: wrap;
}

.page-nav a {
  flex: 1 1 240px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.9rem 1.2rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--green-deep);
  box-shadow: 0 4px 14px rgba(20, 69, 47, 0.07);
}

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

.page-nav a.prev {
  text-align: left;
}

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

.page-nav a span {
  display: block;
  font-size: 0.72rem;
  color: var(--ink-soft);
  font-weight: 400;
}

/* ---------- フッター ---------- */
.site-footer {
  background: var(--green-deep);
  color: #dfeae2;
  padding: 3rem 0 1.5rem;
  margin-top: 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 2.2rem;
  margin-bottom: 2rem;
}

.footer-grid h2 {
  font-family: var(--font-head);
  font-size: 1rem;
  color: var(--white);
  margin-bottom: 0.8rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.25);
  padding-bottom: 0.4rem;
}

.footer-grid p {
  font-size: 0.85rem;
  line-height: 1.8;
}

.footer-nav-list {
  list-style: none;
  padding-left: 0;
  font-size: 0.85rem;
  columns: 2;
  column-gap: 1.4rem;
}

.footer-nav-list li {
  margin-bottom: 0.4rem;
  break-inside: avoid;
}

.footer-grid a {
  color: #dfeae2;
}

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

.partner-list {
  list-style: none;
  padding-left: 0;
  font-size: 0.82rem;
}

.partner-list li {
  margin-bottom: 0.4rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.2rem;
  justify-content: center;
  margin-bottom: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  padding-top: 1.4rem;
}

.footer-links a {
  color: #dfeae2;
  font-size: 0.85rem;
  padding: 0.2rem 0.4rem;
}

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

.copyright {
  text-align: center;
  font-size: 0.78rem;
  color: rgba(223, 234, 226, 0.7);
}

/* ---------- パートナー募集 ---------- */
.btn {
  display: inline-block;
  padding: 0.7rem 1.6rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.92rem;
  text-align: center;
  transition: var(--transition);
}

.btn-primary {
  background: var(--amber);
  color: var(--white);
  box-shadow: 0 4px 14px rgba(217, 131, 36, 0.35);
}

.btn-primary:hover {
  background: #c07018;
  color: var(--white);
  transform: translateY(-2px);
}

.btn-secondary {
  background: rgba(30, 106, 67, 0.08);
  color: var(--green-main);
  border: 1.5px solid rgba(30, 106, 67, 0.3);
}

.btn-secondary:hover {
  background: rgba(30, 106, 67, 0.14);
  color: var(--green-deep);
  transform: translateY(-2px);
}

.partner-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  background: var(--amber-soft);
  color: var(--amber);
  font-size: 0.82rem;
  font-weight: 700;
  margin-bottom: 0.8rem;
}

.partner-inline-section {
  padding: 0 0 3.5rem;
}

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

.partner-inline-title {
  font-family: var(--font-head);
  font-size: 1.25rem;
  color: var(--green-deep);
  margin-bottom: 0.6rem;
}

.partner-inline-description,
.partner-note {
  color: var(--ink-soft);
}

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

.partner-page-hero {
  padding: 4.5rem 0 3.5rem;
  background: linear-gradient(135deg, var(--green-deep) 0%, var(--green-main) 60%, var(--teal) 100%);
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.partner-page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(255, 255, 255, 0.16), transparent 35%), radial-gradient(circle at bottom left, rgba(253, 243, 227, 0.12), transparent 40%);
}

.partner-page-hero .container,
.partner-page-content .container {
  position: relative;
  z-index: 1;
}

.partner-page-eyebrow {
  display: inline-block;
  margin-bottom: 1rem;
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.16);
  color: var(--white);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.partner-page-title {
  font-family: var(--font-head);
  font-size: clamp(1.7rem, 4vw, 2.6rem);
  font-weight: 900;
  line-height: 1.35;
  color: var(--white);
  margin-bottom: 1.1rem;
}

.partner-page-lead {
  max-width: 820px;
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.94);
}

.partner-page-content {
  padding: 3.5rem 0 4.5rem;
}

.partner-page-grid {
  display: grid;
  gap: 1.8rem;
  max-width: 900px;
  margin: 0 auto;
}

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

.partner-content-block h2 {
  font-family: var(--font-head);
  font-size: 1.35rem;
  margin-bottom: 1rem;
  color: var(--green-deep);
  border-left: 6px solid var(--amber);
  padding-left: 0.8rem;
}

.partner-content-block h3 {
  font-family: var(--font-head);
  font-size: 1.1rem;
  margin: 1.4rem 0 0.7rem;
  color: var(--green-main);
}

.partner-content-block p + p,
.partner-content-block ul,
.partner-content-block ol {
  margin-top: 0.9rem;
}

.partner-content-block ul,
.partner-content-block ol {
  padding-left: 1.4em;
}

.partner-content-block li + li {
  margin-top: 0.45rem;
}

.partner-highlight-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin-top: 1.4rem;
}

.partner-highlight-card {
  background: var(--green-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.3rem;
}

.partner-highlight-card h3 {
  margin-top: 0;
  color: var(--green-deep);
}

.partner-highlight-card p {
  font-size: 0.9rem;
  color: var(--ink-soft);
  margin-top: 0.4rem;
}

.partner-cta-box {
  background: linear-gradient(135deg, var(--green-deep) 0%, var(--green-main) 100%);
  border: none;
  color: var(--white);
}

.partner-cta-box h2 {
  color: var(--white);
  border-left-color: var(--amber);
}

.partner-cta-box p,
.partner-cta-box li,
.partner-cta-box .partner-note {
  color: rgba(255, 255, 255, 0.94);
}

.partner-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.4rem;
}

.partner-cta-box .btn-secondary {
  background: rgba(255, 255, 255, 0.14);
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.35);
}

.partner-cta-box .btn-secondary:hover {
  background: rgba(255, 255, 255, 0.24);
  color: var(--white);
}

.article .partner-inline-section {
  padding: 0 0 2rem;
}

.article .partner-inline-section .container {
  padding: 0;
}

.article h2.partner-inline-title {
  background: none;
  border-left: none;
  border-radius: 0;
  padding: 0;
  margin: 0 0 0.6rem;
  font-size: 1.25rem;
}

/* ---------- レスポンシブ ---------- */
@media (max-width: 1024px) {
  .page-layout {
    grid-template-columns: minmax(0, 1fr) 280px;
    gap: 1.8rem;
  }

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

@media (max-width: 860px) {
  .menu-toggle {
    display: flex;
  }

  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    align-items: stretch;
    max-width: none;
    padding: 0.8rem 1.2rem 1.2rem;
    border-bottom: 3px solid var(--green-main);
    box-shadow: 0 14px 24px rgba(20, 69, 47, 0.18);
    gap: 0.2rem;
  }

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

  .nav-menu li a {
    display: block;
    padding: 0.65rem 0.8rem;
    font-size: 0.95rem;
    white-space: normal;
  }

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

  .intro-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: 400px;
  }

  .hero.hero-page {
    min-height: 280px;
  }

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

  .partner-inline-card {
    flex-direction: column;
    align-items: flex-start;
  }

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

@media (max-width: 600px) {
  body {
    font-size: 15px;
  }

  .topics-grid {
    grid-template-columns: 1fr;
  }

  .intro-stats {
    grid-template-columns: 1fr 1fr;
  }

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

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

  .section {
    padding: 2.4rem 0;
  }

  .partner-inline-card,
  .partner-content-block {
    padding: 1.4rem;
  }

  .partner-page-hero {
    padding: 3.2rem 0 2.6rem;
  }
}

/* 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; }
}