/* Base Reset & Typography */
:root {
  --color-bg: #ffffff;
  --color-text: #1a2b3c;       /* Dark Navy */
  --color-primary: #0056b3;    /* Blue */
  --color-primary-hover: #004494;
  --color-secondary-bg: #f4f6f8; /* Light Gray */
  --color-border: #e0e6ed;
  --font-base: "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
}

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

body {
  font-family: var(--font-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.2s;
}

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

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 1rem;
}

/* Layout Utilities */
.container {
  max-width: 1024px;
  margin: 0 auto;
  padding: 0 1rem;
}

.section {
  padding: 3rem 0;
}

/* Header */
.site-header {
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  padding: 1rem 0;
}

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

.site-logo a {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--color-text);
  text-decoration: none;
}

/* Hero Section */
.hero {
  background-color: var(--color-secondary-bg);
  text-align: center;
  padding: 4rem 1rem;
}

.hero h1 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.hero p {
  color: #556b7f;
  max-width: 600px;
  margin: 0 auto;
}

/* Category Grid */
.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.category-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 2rem;
  text-align: center;
  transition: transform 0.2s, box-shadow 0.2s;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 200px;
}

.category-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.category-card h3 {
  margin-bottom: 0.5rem;
  font-size: 1.25rem;
  color: var(--color-text);
}

.category-card p {
  font-size: 0.9rem;
  color: #666;
  margin-bottom: 1.5rem;
}

.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background-color: var(--color-primary);
  color: #fff;
  border-radius: 4px;
  font-weight: bold;
  text-decoration: none;
  font-size: 0.95rem;
}

.btn:hover {
  background-color: var(--color-primary-hover);
  text-decoration: none;
  color: #fff;
}

/* Content Pages */
.content-wrapper {
  background: var(--color-bg);
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem 0;
}

.content-wrapper h1 {
  border-bottom: 2px solid var(--color-secondary-bg);
  padding-bottom: 1rem;
  margin-bottom: 2rem;
}

.content-wrapper h2 {
  font-size: 1.5rem;
  margin-top: 2rem;
  border-left: 4px solid var(--color-primary);
  padding-left: 1rem;
}

.content-wrapper p {
  margin-bottom: 1rem;
}

/* Forms */
.contact-form {
  display: grid;
  gap: 1rem;
  max-width: 600px;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: bold;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  font-family: inherit;
}

/* Footer */
.site-footer {
  background-color: var(--color-secondary-bg);
  padding: 3rem 0;
  margin-top: 4rem;
  text-align: center;
}

.footer-nav {
  margin-bottom: 1.5rem;
}

.footer-nav a {
  margin: 0 0.75rem;
  color: #556b7f;
  font-size: 0.9rem;
}

.copyright {
  color: #8899a6;
  font-size: 0.85rem;
}

/* Mobile Adjustments */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 1.75rem;
  }
  
  .category-grid {
    grid-template-columns: 1fr;
  }

  .site-header {
    text-align: center;
  }
  
  .site-header .container {
    justify-content: center;
  }
}
/* --- 追加：記事カードのデザイン --- */

/* カードを並べるグリッド設定 */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); /* 横幅に合わせて自動調整 */
    gap: 30px; /* カード同士の間隔 */
    margin: 2rem 0;
    text-align: left; /* 文字を左寄せに */
}

/* カード本体 */
.card {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08); /* 柔らかい影 */
    text-decoration: none;
    color: #333;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    border: 1px solid #eee;
}

/* ホバー時の動き（浮き上がる） */
.card:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

/* 画像エリア */
.card-image {
    width: 100%;
    height: 180px;
    background-color: #f0f0f0; /* 画像がない時の背景色 */
    overflow: hidden;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover; /* 画像を枠いっぱいに綺麗に収める */
}

/* テキスト部分 */
.card-content {
    padding: 20px;
    flex-grow: 1;
}

/* カテゴリタグ */
.category {
    display: inline-block;
    background: #ff6699; /* Beauty用のピンク系 */
    color: #fff;
    font-size: 0.75rem;
    font-weight: bold;
    padding: 3px 10px;
    border-radius: 20px;
    margin-bottom: 10px;
}

.card-content h3 {
    margin: 0 0 10px 0;
    font-size: 1.25rem;
    line-height: 1.4;
    color: #003366;
}

.card-content p {
    font-size: 0.9rem;
    color: #666;
    line-height: 1.6;
    margin-bottom: 15px;
}

.more-link {
    font-size: 0.85rem;
    font-weight: bold;
    color: #ff6699;
}