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

body {
  font-family: 'Noto Sans JP', sans-serif;
  color: #333;
  background-color: #fafafa;
  line-height: 1.7;
}

.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ヘッダー */
.header {
  background-color: #fff;
  box-shadow: 0 1px 4px rgba(0,0,0,0.05);
  position: sticky;
  top: 0;
  z-index: 10;
}

.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 20px;
}

.logo {
  font-weight: bold;
  font-size: 14px;
}

.nav ul {
  display: flex;
  list-style: none;
  gap: 20px;
}

.nav a {
  text-decoration: none;
  color: #333;
  font-size: 13px;
  transition: color 0.2s;
}

.nav a:hover {
  color: #0077ff;
}

/* Hero */
.hero {
  background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)),
              url('images/a/exterior-01.jpg') center/cover no-repeat;
  color: #fff;
  text-align: center;
  padding: 120px 20px;
}

.hero h1 {
  font-size: 28px;
  margin-bottom: 12px;
}

.hero p {
  margin-bottom: 24px;
}

.btn {
  display: inline-block;
  background: #0077ff;
  color: #fff;
  padding: 10px 20px;
  border-radius: 6px;
  text-decoration: none;
  transition: 0.3s;
}

.btn:hover {
  background: #005fd4;
}

.btn.secondary {
  background: #555;
}

.btn.small {
  padding: 6px 14px;
  font-size: 13px;
}

/* カード */
.cards {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  margin-top: 20px;
}

.card {
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
  overflow: hidden;
  flex: 1;
  min-width: 280px;
  text-align: center;
  padding-bottom: 16px;
}

.card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.card h3 {
  margin-top: 12px;
  font-size: 18px;
}

/* セクション */
section {
  padding: 60px 0;
}

section h2 {
  text-align: center;
  margin-bottom: 20px;
}

/* お問い合わせボタン横並び */
.contact-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 20px;
  flex-wrap: wrap;
}

.contact-buttons .btn {
  min-width: 180px;
  text-align: center;
}


/* フッター */
.footer {
  text-align: center;
  background: #222;
  color: #aaa;
  padding: 16px;
  font-size: 13px;
}

/* 小さめヒーロー */
.small-hero {
  background-size: cover;
  background-position: center;
  height: 300px;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

/* 物件概要 */
.property-list {
  list-style: none;
  max-width: 500px;
  margin: 0 auto;
  line-height: 2;
}

/* ギャラリー */
.grid-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 15px;
}

.grid-gallery img {
  width: 100%;
  border-radius: 8px;
  object-fit: cover;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}

/* 設備 */
.equipment-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  list-style: none;
  margin-top: 20px;
}

.equipment-list li {
  background: #f5f5f5;
  border-radius: 6px;
  padding: 8px 16px;
}

.map iframe {
  width: 100%;
  height: 400px;
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}