* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
body {
  font-family: Helvetica, Arial, "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Yu Gothic Medium", "Yu Gothic", sans-serif;;
  color: #333;
  line-height: 1.6;
  background-color: #f9f9f9;
}

/* ヒーローエリア（既存のイメージ画を活用） */
.hero {
  position: relative;
  height: 60vh;
  min-height: 400px;
  /* ↓ お手持ちのメインイメージ画像のパスを指定してください */
  background: linear-gradient(rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.4)), url('https://sorezore.net/images/yoytei.jpg') center/cover no-repeat;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #fff;
  padding: 0 20px;
}
.hero-content h1 {
  font-size: 2.5rem;
  font-weight: 300;
  letter-spacing: 0.1em;
  margin-bottom: 10px;
}
.hero-content p {
  font-size: 1rem;
  letter-spacing: 0.05em;
  opacity: 0.9;
}

/* メインコンテンツ（カード一覧） */
.container {
  max-width: 1000px;
  margin: -50px auto 60px;
  padding: 0 20px;
  position: relative;
  z-index: 10;
}
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

/* カードデザイン */
.card {
  background: #fff;
  border-radius: 8px;
  padding: 30px 25px;
  text-decoration: none;
  color: inherit;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  display: flex;
  flex-direction: column;
}
.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}
.card-tag {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #888;
  margin-bottom: 8px;
}
.card h2 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: #222;
}
.card p {
  font-size: 0.9rem;
  color: #666;
  flex-grow: 1;
}
.card-image {
  width: 100%;
  height: 160px;
  object-fit: cover;
  border-radius: 6px 6px 0 0;
  margin: -30px -25px 15px -25px; /* カードのパディングを相殺 */
  width: calc(100% + 50px);
  background-color: #eee;
  border-bottom:1px solid #eaeaea;
}

.tool-footer {
    background-color: #2b2b2b;
    color: #ccc;
    padding: 40px 20px 20px;
    font-size: 0.85rem;
    margin-top: 60px;
}
.footer-inner {
    max-width: 800px;
    margin: 0 auto;
}
.footer-heading {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: #888;
    margin-bottom: 15px;
}
.site-links {
    list-style: none;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px 30px;
    margin-bottom: 30px;
}
.site-links a {
    color: #fff;
    text-decoration: none;
    display: flex;
    flex-direction: column;
    transition: opacity 0.2s;
}
.site-links a:hover {
    opacity: 0.7;
}
.site-title {
    font-size: 0.75rem;
    color: #aaa;
}
.site-name {
    font-weight: bold;
    font-size: 0.9rem;
}
.footer-copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #444;
    color: #777;
    font-size: 0.75rem;
}


/* フッター */
footer {
  text-align: center;
  padding: 40px 20px;
  font-size: 0.8rem;
  color: #aaa;
  border-top: 1px solid #eee;
}