/* style.css - 六本木サブスクバレエスタジオ情報メディア Rina Media */

/* フォントのインポート */
@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+JP:wght@300;400;600&family=Playfair+Display:ital,wght@0,400;0,600;1,400&family=Montserrat:wght@300;400;500;600&display=swap');

/* デザインシステム変数 */
:root {
  --color-bg-primary: #FDFBF9;
  --color-bg-secondary: #F7EFE9;
  --color-bg-dark: #1E1A17;
  --color-primary: #8C6A5C;
  --color-secondary: #D4AF37; /* ゴールド */
  --color-text-dark: #2C2623;
  --color-text-light: #FDFBF9;
  --color-text-muted: #7D726D;
  --color-accent: #E8D3C9; /* チュチュピンク */
  --font-serif: 'Playfair Display', 'Noto Serif JP', serif;
  --font-sans: 'Montserrat', 'Helvetica Neue', Arial, sans-serif;
  --transition-smooth: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
  --box-shadow-soft: 0 10px 30px rgba(140, 106, 92, 0.05);
  --box-shadow-medium: 0 15px 40px rgba(140, 106, 92, 0.1);
  --box-shadow-gold: 0 10px 30px rgba(212, 175, 55, 0.15);
}

/* リセット CSS */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: clamp(14px, 0.4vw + 12px, 16px);
  -webkit-font-smoothing: antialiased;
}

body {
  background-color: var(--color-bg-primary);
  color: var(--color-text-dark);
  font-family: var(--font-sans);
  line-height: 1.8;
  overflow-x: hidden;
}

h1, h2, h3, h4, .font-serif {
  font-family: var(--font-serif);
  font-weight: 400;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-smooth);
}

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

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

/* 共通コンポーネント & ユーティリティ */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section {
  padding: 6rem 0;
}

.section-title {
  text-align: center;
  margin-bottom: 4rem;
}

.section-title span {
  display: block;
  font-family: var(--font-serif);
  font-size: 1rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-secondary);
  margin-bottom: 1rem;
}

.section-title h2 {
  font-size: clamp(1.6rem, 4vw, 2.3rem);
  letter-spacing: 0.05em;
  color: var(--color-primary);
  position: relative;
  display: inline-block;
  padding-bottom: 1.5rem;
}

.section-title h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 50px;
  height: 1px;
  background-color: var(--color-secondary);
}

/* ボタン */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1.1rem 2.2rem;
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  border-radius: 0;
  transition: var(--transition-smooth);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  font-weight: 600;
  border: none;
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-text-light);
  border: 1px solid var(--color-primary);
}

.btn-primary:hover {
  background-color: transparent;
  color: var(--color-primary);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-text-dark);
  border: 1px solid var(--color-primary);
}

.btn-secondary:hover {
  background-color: var(--color-primary);
  color: var(--color-text-light);
}

.btn-gold {
  background-color: var(--color-secondary);
  color: var(--color-bg-dark);
  border: 1px solid var(--color-secondary);
  box-shadow: var(--box-shadow-gold);
}

.btn-gold:hover {
  background-color: transparent;
  color: var(--color-secondary);
  box-shadow: none;
}

.btn-line {
  background-color: #06C755;
  color: #ffffff;
  border: 1px solid #06C755;
  box-shadow: 0 10px 30px rgba(6, 199, 85, 0.15);
}

.btn-line:hover {
  background-color: transparent;
  color: #06C755;
  box-shadow: none;
}

.badge {
  display: inline-block;
  padding: 0.3rem 0.8rem;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-text-light);
  background-color: var(--color-primary);
  margin-bottom: 0.8rem;
}

.badge.badge-gold {
  background-color: var(--color-secondary);
  color: var(--color-bg-dark);
}

.badge.badge-pink {
  background-color: var(--color-accent);
  color: var(--color-primary);
  font-weight: 600;
}

/* ヘッダー */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: var(--transition-smooth);
  padding: 1.5rem 0;
  background-color: rgba(253, 251, 249, 0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(140, 106, 92, 0.05);
}

header.scrolled {
  background-color: rgba(253, 251, 249, 0.96);
  padding: 1rem 0;
  box-shadow: 0 2px 20px rgba(140, 106, 92, 0.05);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo a {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  font-weight: 600;
  display: flex;
  flex-direction: column;
}

.logo span {
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  color: var(--color-secondary);
  font-family: var(--font-sans);
  font-weight: 500;
  text-transform: uppercase;
  margin-top: 0.2rem;
}

nav ul {
  display: flex;
  list-style: none;
  gap: 2.2rem;
  align-items: center;
}

nav a {
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  color: var(--color-text-dark);
  position: relative;
  padding: 0.5rem 0;
  font-weight: 500;
}

nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--color-secondary);
  transition: var(--transition-smooth);
}

nav a:hover::after {
  width: 100%;
}

.nav-cta {
  display: inline-block;
}

/* ハンバーガーメニュー */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 25px;
  height: 18px;
  cursor: pointer;
  z-index: 1001;
}

.menu-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background-color: var(--color-primary);
  transition: var(--transition-smooth);
}

/* メディア・ブログ ヒーローセクション */
.blog-hero {
  padding: 12rem 0 8rem;
  background: 
    linear-gradient(180deg, rgba(30, 26, 23, 0.75) 0%, rgba(30, 26, 23, 0.4) 60%, var(--color-bg-primary) 100%),
    url('/uploads/roppongi_ballet_hero.png') no-repeat center center;
  background-size: cover;
  text-align: center;
  position: relative;
}

.blog-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 80px;
  background-color: rgba(253, 251, 249, 0.2);
}

.blog-hero h1 {
  font-size: clamp(1.8rem, 5vw, 3rem);
  color: var(--color-text-light);
  margin-bottom: 1.2rem;
  letter-spacing: 0.05em;
  line-height: 1.3;
  text-shadow: 0 2px 15px rgba(0, 0, 0, 0.4);
}

.blog-hero p {
  font-size: 1.05rem;
  color: rgba(253, 251, 249, 0.95);
  max-width: 600px;
  margin: 0 auto 2rem;
  line-height: 1.7;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.4);
}

/* カテゴリーフィルター */
.category-filter {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}

.filter-btn {
  background: #ffffff;
  border: 1px solid rgba(140, 106, 92, 0.15);
  padding: 0.6rem 1.5rem;
  font-size: 0.85rem;
  font-family: var(--font-sans);
  cursor: pointer;
  transition: var(--transition-smooth);
  color: var(--color-text-muted);
}

.filter-btn:hover, .filter-btn.active {
  background-color: var(--color-primary);
  color: var(--color-text-light);
  border-color: var(--color-primary);
}

/* メインブログレイアウト (2カラム) */
.blog-container {
  display: grid;
  grid-template-columns: 2.1fr 0.9fr;
  gap: 3.5rem;
  padding-bottom: 6rem;
}

/* メインコンテンツエリア */
.blog-main {
  display: flex;
  flex-direction: column;
  gap: 3rem;
  min-width: 0;
}

/* 注目記事 (Featured Post) */
.featured-post {
  background-color: #ffffff;
  border: 1px solid rgba(140, 106, 92, 0.08);
  box-shadow: var(--box-shadow-soft);
  transition: var(--transition-smooth);
}

.featured-post:hover {
  transform: translateY(-5px);
  box-shadow: var(--box-shadow-medium);
}

.featured-image {
  height: 380px;
  overflow: hidden;
  position: relative;
}

.featured-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-smooth);
}

.featured-post:hover .featured-image img {
  transform: scale(1.03);
}

.featured-content {
  padding: 3rem;
}

.featured-meta {
  display: flex;
  gap: 1.5rem;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 1rem;
}

.featured-post h2 {
  font-size: clamp(1.4rem, 3.5vw, 1.8rem);
  color: var(--color-primary);
  margin-bottom: 1.2rem;
  line-height: 1.4;
}

.featured-post h2 a:hover {
  color: var(--color-secondary);
}

.featured-excerpt {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  margin-bottom: 2rem;
  line-height: 1.7;
}

.read-more {
  display: inline-flex;
  align-items: center;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  text-transform: uppercase;
}

.read-more::after {
  content: '→';
  margin-left: 0.5rem;
  transition: var(--transition-smooth);
}

.read-more:hover::after {
  transform: translateX(5px);
}

/* 記事一覧グリッド */
.posts-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.5rem;
}

.post-card {
  background-color: #ffffff;
  border: 1px solid rgba(140, 106, 92, 0.08);
  box-shadow: var(--box-shadow-soft);
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
}

.post-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--box-shadow-medium);
}

.post-image {
  height: 220px;
  overflow: hidden;
  position: relative;
}

.post-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-smooth);
}

.post-card:hover .post-image img {
  transform: scale(1.05);
}

.post-content {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.post-meta {
  display: flex;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: 0.8rem;
}

.post-card h3 {
  font-size: clamp(1.1rem, 3vw, 1.3rem);
  color: var(--color-primary);
  margin-bottom: 1rem;
  line-height: 1.4;
  flex-grow: 1;
}

.post-card h3 a:hover {
  color: var(--color-secondary);
}

.post-excerpt {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

/* サイドバーエリア */
.blog-sidebar {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.sidebar-widget {
  background-color: #ffffff;
  padding: 2.5rem 2rem;
  border: 1px solid rgba(140, 106, 92, 0.08);
  box-shadow: var(--box-shadow-soft);
}

.widget-title {
  font-size: 1.2rem;
  color: var(--color-primary);
  margin-bottom: 1.5rem;
  position: relative;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid rgba(140, 106, 92, 0.15);
  font-weight: 600;
  letter-spacing: 0.05em;
}

.widget-title::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 40px;
  height: 1px;
  background-color: var(--color-secondary);
}

/* プロフィールウィジェット */
.profile-widget {
  text-align: center;
}

.profile-avatar {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 1.5rem;
  border: 2px solid var(--color-accent);
  padding: 3px;
}

.profile-name {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--color-primary);
}

.profile-title {
  font-size: 0.8rem;
  color: var(--color-secondary);
  margin-bottom: 1rem;
  font-weight: 500;
}

.profile-desc {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  text-align: justify;
}

/* 強力なスタジオCTAバナーウィジェット */
.cta-widget {
  background: linear-gradient(135deg, var(--color-bg-secondary) 0%, var(--color-accent) 100%);
  border: 1px solid rgba(212, 175, 55, 0.3);
  text-align: center;
  padding: 3rem 2rem;
  position: relative;
  overflow: hidden;
}

.cta-widget::before {
  content: 'Studio';
  position: absolute;
  top: -10px;
  right: -10px;
  font-family: var(--font-serif);
  font-size: 4rem;
  color: rgba(140, 106, 92, 0.04);
  font-style: italic;
  font-weight: bold;
}

.cta-widget-logo {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: bold;
  color: var(--color-primary);
  margin-bottom: 0.3rem;
}

.cta-widget-sub {
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--color-text-muted);
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.cta-widget-title {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--color-text-dark);
  margin-bottom: 1rem;
  line-height: 1.4;
}

.cta-widget-price {
  background-color: #ffffff;
  padding: 1rem;
  border-radius: 4px;
  margin-bottom: 1.5rem;
  box-shadow: 0 4px 15px rgba(140, 106, 92, 0.05);
}

.cta-widget-price .subsc {
  font-size: 0.8rem;
  color: var(--color-primary);
  font-weight: 600;
}

.cta-widget-price .price {
  font-size: 1.8rem;
  font-family: var(--font-serif);
  font-weight: bold;
  color: var(--color-text-dark);
}

.cta-widget-price .price span {
  font-size: 0.85rem;
  font-family: var(--font-sans);
  color: var(--color-text-muted);
}

.cta-widget-info {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 2rem;
  line-height: 1.6;
}

.cta-widget-btn {
  width: 100%;
}

/* 人気記事ランキング */
.ranking-list {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  list-style: none;
}

.ranking-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.ranking-num {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--color-secondary);
  line-height: 1;
  width: 20px;
}

.ranking-item-content {
  flex-grow: 1;
}

.ranking-item-title {
  font-size: 0.85rem;
  font-weight: 500;
  line-height: 1.5;
  margin-bottom: 0.3rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.ranking-item-date {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

/* カテゴリウィジェット */
.category-list {
  list-style: none;
}

.category-item a {
  display: flex;
  justify-content: space-between;
  padding: 0.8rem 0;
  border-bottom: 1px solid rgba(140, 106, 92, 0.05);
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.category-item a:hover {
  color: var(--color-primary);
  padding-left: 5px;
}

/* 記事詳細ページ (Article Page) */
.article-header {
  padding: 10rem 0 4rem;
  text-align: center;
}

.article-header-meta {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
}

.article-title {
  font-size: clamp(1.6rem, 5vw, 2.6rem);
  color: var(--color-primary);
  line-height: 1.35;
  max-width: 900px;
  margin: 0 auto;
}

.article-main-image {
  margin-bottom: 4rem;
  box-shadow: var(--box-shadow-medium);
}

.article-main-image img {
  width: 100%;
  max-height: 500px;
  object-fit: cover;
}

/* 記事本文コンテンツ */
.article-body {
  font-size: 1.05rem;
  line-height: 1.9;
  color: var(--color-text-dark);
  word-break: break-word;
  overflow-wrap: break-word;
}
.article-body table {
  max-width: 100%;
}
.article-body img {
  max-width: 100%;
  height: auto;
}
.article-body a {
  max-width: 100%;
  box-sizing: border-box;
}

.article-body p {
  margin-bottom: 2rem;
  text-align: justify;
}

.article-body h2 {
  font-size: clamp(1.3rem, 4vw, 1.8rem);
  color: var(--color-primary);
  margin: 3.5rem 0 1.5rem;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid rgba(140, 106, 92, 0.15);
  position: relative;
}

.article-body h2::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 60px;
  height: 1px;
  background-color: var(--color-secondary);
}

.article-body h3 {
  font-size: clamp(1.15rem, 3vw, 1.4rem);
  color: var(--color-primary);
  margin: 2.5rem 0 1.2rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.article-body h3::before {
  content: '✦';
  color: var(--color-secondary);
  font-size: 1rem;
}

.article-body blockquote {
  background-color: var(--color-bg-secondary);
  border-left: 3px solid var(--color-secondary);
  padding: 2rem;
  margin: 2.5rem 0;
  font-style: italic;
  color: var(--color-text-muted);
}

.article-body blockquote p {
  margin-bottom: 0;
}

.article-body ul, .article-body ol {
  margin: 1.5rem 0 2.5rem 1.5rem;
}

.article-body li {
  margin-bottom: 0.8rem;
}

/* 記事内インラインCTA */
.in-article-cta {
  background-color: #ffffff;
  border: 1px dashed var(--color-primary);
  padding: 3rem;
  margin: 3.5rem 0;
  text-align: center;
  box-shadow: var(--box-shadow-soft);
}

.in-article-cta h4 {
  font-size: 1.4rem;
  color: var(--color-primary);
  margin-bottom: 1rem;
  font-weight: 600;
}

.in-article-cta p {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  margin-bottom: 1.8rem;
}

/* 体験フォーム・CTAセクション */
.media-cta-section {
  background-color: var(--color-bg-secondary);
  padding: 6rem 0;
}

.media-cta-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 4rem;
  align-items: center;
}

.media-cta-info h3 {
  font-size: clamp(1.4rem, 4vw, 2rem);
  color: var(--color-primary);
  margin-bottom: 1.5rem;
  line-height: 1.4;
}

.media-cta-info p {
  color: var(--color-text-muted);
  margin-bottom: 2rem;
}

.media-cta-features {
  list-style: none;
  margin-bottom: 2rem;
}

.media-cta-features li {
  margin-bottom: 0.8rem;
  display: flex;
  align-items: center;
  font-size: 0.95rem;
  font-weight: 500;
}

.media-cta-features li::before {
  content: '✦';
  color: var(--color-secondary);
  margin-right: 0.8rem;
}

.media-cta-form {
  background-color: #ffffff;
  padding: 3.5rem;
  box-shadow: var(--box-shadow-medium);
}

.form-group {
  margin-bottom: 1.8rem;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  color: var(--color-primary);
  margin-bottom: 0.6rem;
  font-weight: 600;
}

.form-control {
  width: 100%;
  padding: 0.9rem 1.2rem;
  border: 1px solid rgba(140, 106, 92, 0.2);
  background-color: #fafafa;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--color-text-dark);
  transition: var(--transition-smooth);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-secondary);
  background-color: #ffffff;
}

select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg fill='%238C6A5C' height='24' viewBox='0 0 24 24' width='24' xmlns='http://www.w3.org/2000/svg'><path d='M7 10l5 5 5-5z'/><path d='M0 0h24v24H0z' fill='none'/></svg>");
  background-repeat: no-repeat;
  background-position: right 1rem center;
}

textarea.form-control {
  resize: vertical;
}

/* フッター */
footer {
  background-color: var(--color-bg-dark);
  color: var(--color-text-light);
  padding: 5rem 0 3rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 4rem;
  margin-bottom: 4rem;
}

.footer-logo h3 {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  letter-spacing: 0.05em;
  color: var(--color-accent);
  margin-bottom: 1rem;
}

.footer-logo p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

.footer-links h4 {
  font-size: 1.05rem;
  color: var(--color-text-light);
  margin-bottom: 1.5rem;
  letter-spacing: 0.05em;
}

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

.footer-links li {
  margin-bottom: 0.8rem;
}

.footer-links a {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.footer-links a:hover {
  color: var(--color-secondary);
  padding-left: 3px;
}

.footer-bottom {
  text-align: center;
  padding-top: 3rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 0.8rem;
  color: var(--color-text-muted);
  letter-spacing: 0.05em;
}

/* レスポンシブ */
@media (max-width: 992px) {
  .blog-container {
    grid-template-columns: 1fr;
    gap: 4rem;
  }
  .blog-sidebar {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }
  .cta-widget {
    grid-column: span 2;
  }
  .media-cta-wrapper {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .featured-image {
    height: 300px;
  }
  /* clampにより自動スケーリングされるため、個別の992px以下でのフォントサイズ指定は不要 */
}

@media (max-width: 768px) {
  .section {
    padding: 4rem 0;
  }
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    height: 100vh;
    background-color: var(--color-bg-primary);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    transition: var(--transition-smooth);
    box-shadow: -10px 0 30px rgba(0,0,0,0.05);
  }
  .nav-menu.active {
    right: 0;
  }
  .menu-toggle {
    display: flex;
  }
  nav ul {
    flex-direction: column;
    align-items: center;
    gap: 2rem;
  }
  .blog-sidebar {
    grid-template-columns: 1fr;
  }
  .cta-widget {
    grid-column: span 1;
  }
  .posts-grid {
    grid-template-columns: 1fr;
  }
  .featured-content {
    padding: 2rem;
  }
  .media-cta-form {
    padding: 2.5rem 1.25rem;
  }

  /* コンテナのスマホ幅パディング調整 */
  .container {
    padding: 0 1.25rem;
  }

  /* スマホ向け記事・固定ページ調整 */
  .article-header {
    padding: 7rem 0 2rem;
  }
  
  .article-title {
    font-size: 1.5rem;
  }
  
  .article-main-image {
    margin-bottom: 2rem;
  }
  
  .article-body {
    font-size: 0.95rem;
    line-height: 1.8;
  }
  
  .article-body h2 {
    margin: 2.5rem 0 1.2rem;
    font-size: 1.3rem;
  }
  
  .article-body h3 {
    margin: 2rem 0 1rem;
    font-size: 1.15rem;
  }
  
  .in-article-cta {
    padding: 2rem 1.25rem;
    margin: 2.5rem 0;
  }
  
  .page-main {
    padding: 2rem 1.25rem !important;
  }

  .blog-container {
    padding-bottom: 3rem;
  }

  /* 体験フォーム・CTAセクションのスマホ幅対応 */
  .media-cta-section {
    padding: 4rem 0;
  }

  /* スマホ向けフッター調整 */
  footer {
    padding: 3.5rem 0 2rem;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
    text-align: center;
  }
  .footer-logo {
    max-width: 400px;
    margin: 0 auto;
  }
  .footer-links ul {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.6rem;
  }
  .footer-links li {
    margin-bottom: 0;
  }
  .footer-links a {
    display: inline-block;
    padding: 0.4rem 1rem;
    font-size: 0.9rem;
  }
  .footer-bottom {
    padding-top: 2rem;
    margin-top: 2rem;
  }
}