/* public/css/reset.css */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  html {
    font-size: 62.5%;
    scroll-behavior: smooth;
  }
  
  body {
    font-family: 'Noto Sans JP', sans-serif;
    line-height: 1.6;
    color: #333;
    font-size: 1.6rem;
  }
  
  a {
    text-decoration: none;
    color: inherit;
  }
  
  ul, ol {
    list-style: none;
  }
  
  img {
    max-width: 100%;
    height: auto;
    display: block;
  }
  
  /* public/css/style.css */
  :root {
    --color-turf: #2e8b57; /* 芝コースをイメージした緑色 */
    --color-turf-light: #a7d7b8;
    --color-dirt: #b8860b; /* ダートコースをイメージした茶色 */
    --color-dirt-light: #e6c78c;
    --color-white: #ffffff;
    --color-black: #1a1a1a;
    --color-gray: #f5f5f5;
    --color-text: #333333;
    --font-main: 'Noto Sans JP', sans-serif;
    --font-accent: 'Playfair Display', serif;
  }
  
  .container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
  }
  
  /* ヘッダー */
  .header {
    background-color: var(--color-turf);
    padding: 2rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  }
  
  .header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  
  .site-title {
    color: var(--color-white);
    font-family: var(--font-accent);
    font-size: 2.8rem;
    font-weight: 700;
  }
  
  .navigation ul {
    display: flex;
    gap: 2rem;
  }
  
  .navigation a {
    color: var(--color-white);
    font-size: 1.6rem;
    font-weight: 700;
    position: relative;
    transition: all 0.3s ease;
  }
  
  .navigation a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: var(--color-white);
    transition: width 0.3s ease;
  }
  
  .navigation a:hover::after {
    width: 100%;
  }
  
  /* ヒーローセクション */
  .hero {
    height: 70vh;
    background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), url(images/hero-bg.jpg);
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    margin-top: 8rem;
  }
  
  .hero-content {
    color: var(--color-white);
    text-align: center;
  }
  
  .hero-content h2 {
    font-size: 5rem;
    font-family: var(--font-accent);
    margin-bottom: 1rem;
  }
  
  .hero-content p {
    font-size: 2rem;
  }
  
  /* セクション共通 */
  section {
    padding: 8rem 0;
  }
  
  .section-title {
    font-size: 3.6rem;
    text-align: center;
    margin-bottom: 4rem;
    position: relative;
    font-family: var(--font-accent);
  }
  
  .section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 3px;
    background: linear-gradient(to right, var(--color-turf), var(--color-dirt));
    margin: 1.5rem auto 0;
  }
  
  /* 自己紹介セクション */
  .about {
    background-color: var(--color-gray);
  }
  
  .about-content {
    display: flex;
    align-items: center;
    gap: 4rem;
  }
  
  .about-text {
    flex: 1;
  }
  
  .about-text p {
    margin-bottom: 2rem;
    font-size: 1.8rem;
  }
  
  .about-image {
    flex: 1;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
  }
  
  /* 推し馬紹介セクション */
  .horses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 3rem;
  }
  
  .horse-card {
    background-color: var(--color-white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
  }
  
  .horse-card:hover {
    transform: translateY(-10px);
  }
  
  .horse-img {
    height: 250px;
    overflow: hidden;
    position: relative;
  }
  
  .horse-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  
  .horse-img.turf::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, transparent 70%, var(--color-turf-light));
  }
  
  .horse-img.dirt::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, transparent 70%, var(--color-dirt-light));
  }
  
  .horse-card h3 {
    padding: 2rem 2rem 1rem;
    font-size: 2.2rem;
    font-weight: 700;
  }
  
  .horse-card p {
    padding: 0 2rem 2rem;
    font-size: 1.6rem;
  }
  
  .netkeiba-link {
    display: inline-block;
    margin: 0 2rem 2rem;
    padding: 1rem 2rem;
    background-color: var(--color-dirt);
    color: var(--color-white);
    border-radius: 5px;
    font-weight: 700;
    transition: background-color 0.3s ease;
  }
  
  .netkeiba-link:hover {
    background-color: var(--color-turf);
  }
  
  /* ギャラリーセクション */
  .gallery {
    background-color: var(--color-white);
  }
  
  .gallery-intro {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 1.8rem;
  }
  
  .gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
  }
  
  .gallery-item {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
  }
  
  .gallery-item:hover {
    transform: scale(1.05);
  }
  
  .gallery-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
  }
  
  /* コンタクトセクション */
  .contact {
    background: linear-gradient(to right, var(--color-turf-light), var(--color-dirt-light));
    color: var(--color-text);
  }
  
  .contact-info {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
  }
  
  .contact-info p {
    margin-bottom: 3rem;
    font-size: 1.8rem;
  }
  
  .email {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    font-size: 2rem;
  }
  
  .email a {
    color: var(--color-turf);
    font-weight: 700;
    transition: color 0.3s ease;
  }
  
  .email a:hover {
    color: var(--color-dirt);
  }
  
  .social-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
  }
  
  .social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 5rem;
    height: 5rem;
    background-color: var(--color-white);
    border-radius: 50%;
    color: var(--color-text);
    font-size: 2rem;
    transition: all 0.3s ease;
  }
  
  .social-link:hover {
    background-color: var(--color-turf);
    color: var(--color-white);
  }
  
  /* フッター */
  .footer {
    background-color: var(--color-black);
    color: var(--color-white);
    padding: 3rem 0;
    text-align: center;
    font-size: 1.4rem;
  }
  
  /* レスポンシブ対応 */
  @media screen and (max-width: 960px) {
    .about-content {
      flex-direction: column;
    }
    
    .hero-content h2 {
      font-size: 4rem;
    }
    
    .navigation {
      display: none;
    }
  }
  
  @media screen and (max-width: 768px) {
    html {
      font-size: 50%;
    }
    
    .horses-grid,
    .gallery-grid {
      grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
    
    .hero-content h2 {
      font-size: 3rem;
    }
  }