/* 基本設定と変数 */
:root {
  --primary-color: #2A9F75;
  /* ユーザー指定の緑 */
  --primary-dark: #21825C;
  --accent-color: #E85D04;
  /* テラコッタ/オレンジ系（アクセント） */
  --text-color: #333333;
  --text-light: #666666;
  --bg-color: #F8F9FA;
  --card-bg: #FFFFFF;
  --border-color: #E0E0E0;
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 24px;
  --font-base: "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
  --font-hand: 'TachibanaFont', sans-serif;
  --container-width: 1000px;
  --header-height: 70px;
}

/* フォント定義 */
@font-face {
  font-family: 'TachibanaFont';
  src: url('fonts/TachibanaFont_2.woff2') format('woff2'),
    url('fonts/TachibanaFont_2.woff') format('woff'),
    url('fonts/TachibanaFont_2.ttf') format('truetype');
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}

/* リセット & ベース */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-base);
  color: var(--text-color);
  background-color: var(--bg-color);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-hand);
  font-weight: normal;
  line-height: 1.3;
}

a {
  text-decoration: none;
  color: var(--primary-color);
  transition: color 0.3s ease;
}

ul {
  list-style: none;
}

img,
svg {
  vertical-align: middle;
}

/* レイアウト共通 */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 20px;
}

.section {
  padding: 80px 0;
}

.section-alt {
  background-color: #EEF2F0;
  /* 少し緑がかったグレー */
}

.section-header {
  text-align: center;
  margin-bottom: 50px;
}

.section-header h2 {
  font-size: 2.5rem;
  color: var(--primary-color);
  margin-bottom: 10px;
  display: inline-block;
  position: relative;
}

/* 見出しの下線風装飾 */
.section-header h2::after {
  content: '';
  display: block;
  width: 60%;
  height: 3px;
  background-color: var(--accent-color);
  margin: 5px auto 0;
  border-radius: 2px;
  opacity: 0.7;
}

.section-subtitle {
  font-size: 1rem;
  color: var(--text-light);
  font-weight: bold;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-family: var(--font-base);
}

.card {
  background: var(--card-bg);
  border-radius: var(--radius-md);
  padding: 40px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
}

/* ヘッダー */
.site-header {
  height: var(--header-height);
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  display: flex;
  align-items: center;
}

.hamburger-btn {
  display: none;
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.logo {
  font-size: 1.8rem;
  color: var(--text-color);
  margin: 0;
}

.main-nav ul {
  display: flex;
  gap: 30px;
}

.main-nav a {
  color: var(--text-color);
  font-weight: bold;
  font-size: 0.95rem;
  position: relative;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary-color);
  transition: width 0.3s;
}

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

.main-nav a:hover::after {
  width: 100%;
}

/* ヒーローセクション */
.hero {
  padding: 100px 0;
  background: radial-gradient(circle at top right, rgba(42, 159, 117, 0.1), transparent 60%),
    radial-gradient(circle at bottom left, rgba(232, 93, 4, 0.05), transparent 60%);
  overflow: hidden;
}

.hero-container {
  display: flex;
  align-items: center;
  gap: 50px;
}

.hero-content {
  flex: 1;
}

.hero-title {
  font-size: 2.8rem;
  margin-bottom: 24px;
  color: var(--text-color);
  line-height: 1.5;
  letter-spacing: 0.05em;
}

.hero-description {
  font-size: 1.1rem;
  color: var(--text-light);
  margin-bottom: 40px;
  line-height: 1.8;
}

.hero-visual {
  flex: 1;
  height: 400px;
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

/* ヒーロービジュアルの装飾（文字が浮遊している感じ） */
.visual-text-sample {
  position: relative;
  width: 100%;
  height: 100%;
}

.sample-char {
  font-family: var(--font-hand);
  position: absolute;
  opacity: 0.2;
  color: var(--primary-color);
  user-select: none;
  animation: float 6s ease-in-out infinite;
}

.char-1 {
  font-size: 8rem;
  top: 10%;
  left: 10%;
  animation-delay: 0s;
  color: var(--accent-color);
  opacity: 0.3;
}

.char-2 {
  font-size: 10rem;
  bottom: 20%;
  right: 10%;
  animation-delay: 1s;
}

.char-3 {
  font-size: 6rem;
  top: 20%;
  right: 20%;
  animation-delay: 2s;
  opacity: 0.15;
}

.char-4 {
  font-size: 12rem;
  bottom: 10%;
  left: 20%;
  animation-delay: 3s;
  opacity: 0.1;
}

@keyframes float {

  0%,
  100% {
    transform: translateY(0) rotate(0deg);
  }

  50% {
    transform: translateY(-20px) rotate(5deg);
  }
}

/* ボタン */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 30px;
  border-radius: 50px;
  font-weight: bold;
  text-decoration: none;
  transition: all 0.3s ease;
  cursor: pointer;
  font-family: var(--font-base);
  white-space: nowrap;
  /* テキストの折り返しを防止 */
}

.hero-actions {
  display: flex;
  gap: 20px;
}

.btn-lg {
  padding: 16px 40px;
  font-size: 1.1rem;
}

.btn-primary {
  background-color: var(--primary-color);
  color: white;
  box-shadow: 0 4px 14px rgba(42, 159, 117, 0.4);
}

.btn-primary:hover {
  background-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(42, 159, 117, 0.5);
}

.btn-outline {
  border: 2px solid var(--text-color);
  color: var(--text-color);
  background: transparent;
}

.btn-outline:hover {
  background-color: var(--text-color);
  color: white;
  transform: translateY(-2px);
}

/* 概要セクション */
.overview-card h3 {
  font-size: 1.8rem;
  margin-bottom: 20px;
  color: var(--primary-color);
  border-bottom: 2px dashed var(--border-color);
  padding-bottom: 10px;
}

.overview-card p {
  margin-bottom: 20px;
  font-size: 1.05rem;
}

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

/* メイキングセクション */
.making-grid {
  display: flex;
  justify-content: center;
  gap: 30px;
  flex-wrap: wrap;
}

.making-card {
  block-size: 100%;
  background: white;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  width: 100%;
  max-width: 480px;
  transform: translateY(0);
  transition: all 0.3s ease;
  color: var(--text-color);
  text-decoration: none;
}

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

.making-thumb {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #eee;
  overflow: hidden;
}

.making-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.making-card:hover .making-thumb img {
  transform: scale(1.05);
}

.play-icon {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 60px;
  height: 60px;
  background: rgba(0, 0, 0, 0.6);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  backdrop-filter: blur(4px);
  transition: background 0.3s;
}

.making-card:hover .play-icon {
  background: rgba(232, 93, 4, 0.9);
  /* アクセントカラー */
}

.making-info {
  padding: 20px;
}

.making-info h3 {
  color: var(--primary-color);
  margin-bottom: 8px;
  font-size: 1.2rem;
}

.making-info p {
  color: var(--text-light);
  font-size: 0.95rem;
}

/* おすすめ（アソシエイト）セクション */
.recommend-grid {
  display: flex;
  justify-content: center;
  gap: 30px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.recommend-item {
  background: white;
  border-radius: var(--radius-md);
  padding: 20px;
  width: 100%;
  max-width: 300px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
}

/* 実際のAmazonリンクが入ったときの調整用 */
.recommend-item iframe {
  max-width: 100%;
  margin: 0 auto 15px;
  display: block;
}

.recommend-placeholder {
  background: #eee;
  height: 250px;
  /* Amazon商品画像の一般的な高さ確保 */
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  margin-bottom: 15px;
  text-align: center;
  padding: 10px;
}

.recommend-desc h3 {
  font-size: 1.1rem;
  margin-bottom: 5px;
  color: var(--primary-color);
  border-bottom: 1px dashed var(--border-color);
  padding-bottom: 5px;
}

.recommend-desc p {
  font-size: 0.9rem;
  color: var(--text-light);
}

.affiliate-note {
  color: #999;
}

/* Amazonアソシエイトカード */
.amazon-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: white;
  text-decoration: none;
  color: var(--text-color);
  transition: all 0.3s ease;
  margin-bottom: 1rem;
}

.amazon-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  border-color: var(--primary-color);
}

.amazon-img-wrapper {
  background: #fff;
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 15px;
  border-bottom: 1px solid #f0f0f0;
}

.amazon-img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  transition: transform 0.3s ease;
}

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

.amazon-info {
  padding: 15px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.amazon-title {
  font-size: 0.95rem;
  font-weight: bold;
  line-height: 1.4;
  height: 2.8em;
  /* 2行分 */
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  color: var(--text-color);
}

.amazon-price {
  color: #B12704;
  /* Amazon Price Red */
  font-weight: bold;
  font-size: 1.1rem;
}

.amazon-btn {
  margin-top: 5px;
  background-color: #FFD814;
  /* Amazon Button Yellow */
  border: 1px solid #FCD200;
  color: #0F1111;
  font-size: 0.9rem;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 20px;
  text-align: center;
  transition: background 0.2s;
  align-self: center;
  width: 100%;
}

.amazon-btn:hover {
  background-color: #F7CA00;
  border-color: #F2C200;
}

/* ダウンロードセクション */
.download-content {
  text-align: center;
}

.download-description {
  margin-bottom: 40px;
  font-size: 1.1rem;
}

.download-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-bottom: 30px;
}

.download-card {
  background: white;
  padding: 30px 20px;
  border-radius: var(--radius-md);
  text-align: center;
  border: 2px solid transparent;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 15px;
}

.download-card:hover {
  border-color: var(--primary-color);
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.download-icon {
  color: var(--primary-color);
  background: rgba(42, 159, 117, 0.1);
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.download-info {
  display: flex;
  flex-direction: column;
}

.file-type {
  font-weight: bold;
  font-size: 1.2rem;
  color: var(--text-color);
}

.file-desc {
  font-size: 0.9rem;
  color: var(--text-light);
}

.install-note {
  color: var(--text-light);
  margin-top: 20px;
}

/* プレビューセクション */
.preview-interface {
  max-width: 800px;
  margin: 0 auto;
}

.preview-wrapper {
  background: linear-gradient(#fff 98%, #ccc 98%);
  background-size: 100% 40px;
  /* ノートの罫線 */
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-md);
  padding: 40px;
  border-radius: 4px;
  /* ノートっぽく少し角張らせるか、丸くするか... */
  margin-bottom: 30px;
  position: relative;
}

/* ノートのリング（装飾） */
.preview-wrapper::before {
  content: '';
  position: absolute;
  top: 0;
  left: 30px;
  bottom: 0;
  width: 2px;
  background-color: rgba(255, 0, 0, 0.1);
  /* 赤い縦線 */
}

.notebook-textarea {
  width: 100%;
  border: none;
  background: transparent;
  font-family: var(--font-hand);
  /* ユーザー入力にもフォント適用 */
  font-size: 32px;
  line-height: 40px;
  /* 背景の罫線に合わせる */
  resize: vertical;
  min-height: 320px;
  outline: none;
  color: var(--text-color);
  padding-left: 40px;
  /* 赤線より右に */
}

/* プレースホルダーのスタイル */
.notebook-textarea::placeholder {
  color: rgba(0, 0, 0, 0.3);
}

.preview-controls {
  background: white;
  padding: 20px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.control-group {
  display: flex;
  align-items: center;
  gap: 15px;
}

.tips-group {
  display: flex;
  align-items: center;
  gap: 10px;
}

.tip-pill {
  background: #f0f0f0;
  border: none;
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 0.9rem;
  cursor: pointer;
  transition: background 0.2s;
}

.tip-pill:hover {
  background: #e0e0e0;
}

.tip-content-box {
  background: #fff3e0;
  /* 薄いオレンジ */
  border: 1px solid #ffd0b0;
  padding: 15px;
  border-radius: var(--radius-sm);
  margin-top: 20px;
  font-size: 0.95rem;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 更新履歴 */
.changelog-timeline {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
}

.changelog-timeline::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 20px;
  width: 2px;
  background: var(--border-color);
}

.timeline-item {
  margin-bottom: 30px;
  padding-left: 50px;
  position: relative;
}

.timeline-item::after {
  content: '';
  position: absolute;
  left: 13px;
  top: 5px;
  width: 16px;
  height: 16px;
  background: var(--primary-color);
  border: 4px solid white;
  border-radius: 50%;
  box-shadow: 0 0 0 2px var(--border-color);
}

.timeline-date {
  font-size: 0.9rem;
  color: var(--text-light);
  margin-bottom: 5px;
}

.timeline-content {
  background: white;
  padding: 20px;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
}

.timeline-version {
  font-size: 1.2rem;
  margin-bottom: 10px;
  color: var(--text-color);
}

.timeline-content .markdown-body ul {
  padding-left: 1.5em;
  list-style-type: disc !important;
  margin-bottom: 10px;
}

.timeline-content .markdown-body ul ul {
  list-style: circle;
  margin-bottom: 0;
}

.timeline-content .markdown-body p {
  margin-bottom: 10px;
}


/* ライセンス */
.license-card {
  text-align: center;
}

.license-badge {
  display: inline-block;
  background: var(--primary-color);
  color: white;
  padding: 8px 16px;
  border-radius: 20px;
  font-weight: bold;
  margin-bottom: 20px;
}

.license-intro {
  font-size: 1.2rem;
  margin-bottom: 30px;
}

.license-check-list {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 15px;
  margin-bottom: 30px;
  font-size: 1.1rem;
}

.license-check-list li span {
  margin-right: 10px;
}

.license-link a {
  text-decoration: underline;
  color: var(--accent-color);
}

.copyright {
  margin-top: 30px;
  font-size: 0.9rem;
  color: var(--text-light);
  border-top: 1px solid var(--border-color);
  padding-top: 20px;
}

/* その他セクション */
.others-list-styled {
  max-width: 800px;
  margin: 0 auto;
  display: grid;
  gap: 20px;
}

.others-list-styled li {
  background: white;
  padding: 20px;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
  border-left: 4px solid var(--accent-color);
}

.twitter-link {
  display: inline-block;
  margin-left: 10px;
  padding: 4px 12px;
  background: #000;
  color: white;
  border-radius: 20px;
  font-size: 0.8rem;
  text-decoration: none;
}

.twitter-link:hover {
  background: #333;
  color: white;
}

/* フッター */
.site-footer {
  background: var(--text-color);
  color: white;
  padding: 40px 0;
  text-align: center;
}

/* よくある質問 */
.faq-grid {
  display: grid;
  gap: 20px;
  max-width: 800px;
  margin: 0 auto;
}

.faq-item h3 {
  font-size: 1.1rem;
  color: var(--primary-color);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
}

.faq-item p {
  font-size: 0.95rem;
  color: var(--text-color);
}

.text-link {
  color: var(--accent-color);
  text-decoration: underline;
  font-weight: bold;
}

/* 使い方ページ (howto.html) */
.howto-content {
  max-width: 800px;
  margin: 0 auto;
}

.howto-card {
  padding: 40px;
}

.step-list {
  margin-top: 30px;
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.step-item {
  display: flex;
  gap: 20px;
}

.step-num {
  background: var(--primary-color);
  color: white;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.step-desc {
  flex: 1;
}

.step-desc h4 {
  font-size: 1.2rem;
  margin-bottom: 10px;
  color: var(--text-color);
}

.img-placeholder {
  background: #eee;
  border: 2px dashed #ccc;
  border-radius: 8px;
  min-height: 200px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #888;
  margin-top: 15px;
  padding: 10px;
  text-align: center;
  overflow: hidden;
  /* 画像のはみ出し防止 */
}

/* 動画コンテナ */
.video-container {
  width: 100%;
  max-width: 100%;
  margin: 30px 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  background: black;
}

/* How-toの画像調整 */
.img-placeholder img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 10px auto;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.video-container video {
  width: 100%;
  height: auto;
  display: block;
}

/* レスポンシブ */
@media (max-width: 768px) {
  :root {
    --header-height: 60px;
  }

  .header-container {
    padding: 0 15px;
  }

  .logo {
    font-size: 1.4rem;
  }

  /* スマホメニュー */
  .hamburger-btn {
    display: block;
    width: 30px;
    height: 30px;
    position: relative;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1001;
  }

  .hamburger-btn span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--text-color);
    position: absolute;
    left: 0;
    transition: all 0.3s;
  }

  .hamburger-btn span:nth-child(1) {
    top: 4px;
  }

  .hamburger-btn span:nth-child(2) {
    top: 14px;
  }

  .hamburger-btn span:nth-child(3) {
    top: 24px;
  }

  /* メニューオープン時のハンバーガーボタン */
  .nav-open .hamburger-btn span:nth-child(1) {
    transform: rotate(45deg);
    top: 14px;
  }

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

  .nav-open .hamburger-btn span:nth-child(3) {
    transform: rotate(-45deg);
    top: 14px;
  }

  .main-nav {
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(5px);
    z-index: 1000;
    transform: translateX(100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    padding-bottom: var(--header-height);
  }

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

  .main-nav ul {
    flex-direction: column;
    align-items: center;
    gap: 40px;
    width: 100%;
  }

  .main-nav a {
    font-size: 1.5rem;
    padding: 10px 20px;
    color: var(--text-color);
    display: block;
    width: 100%;
    text-align: center;
  }

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

  .main-nav a::after {
    display: none;
  }

  .hero-container {
    flex-direction: column;
    text-align: center;
    padding-top: 20px;
  }

  .hero-visual {
    height: 250px;
    width: 100%;
  }

  .hero-title {
    font-size: 2.2rem;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

  .btn {
    width: 100%;
  }

  /* プレビューエリア */
  .preview-wrapper {
    padding: 20px;
  }

  .notebook-textarea {
    font-size: 24px;
    line-height: 40px;
    /* 行間は罫線維持のため変えない方が良いが、文字サイズは小さく */
    padding-left: 10px;
  }

  .preview-wrapper::before {
    left: 10px;
  }

  .section {
    padding: 60px 0;
  }

  body {
    padding-bottom: 60px;
    /* ボトムナビの分 */
  }
}

/* フローティングシェアボタン */
.floating-share-btn {
  position: fixed;
  bottom: 25px;
  right: 25px;
  background-color: white;
  color: black;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
  z-index: 1000;
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  /* 弾むようなアニメーション */
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.floating-share-btn:hover {
  transform: translateY(-5px) scale(1.05);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
  background-color: white;
  color: black;
}

.floating-share-btn svg {
  fill: currentColor;
  width: 26px;
  height: 26px;
}

@media (max-width: 768px) {
  .floating-share-btn {
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
  }

  .floating-share-btn svg {
    width: 22px;
    height: 22px;
  }
}