/* --- 基本設定と変数 --- */
:root {
    --white: #FFFFFF;
    --black: #2c3e50;
    --gray-light: #f8f9fa;
    --gray-medium: #e9ecef;
    --text-color: #555;

    --color-blue: #5B92E5; /* 空・海 */
    --color-green: #63B47A; /* 森・草原 */

    --font-family-base: 'Helvetica Neue', 'Arial', 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', 'Meiryo', sans-serif;
    --border-radius: 12px;
}

/* --- グローバルスタイル --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-family-base);
    line-height: 1.7;
    color: var(--text-color);
    background-color: var(--gray-light);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* --- ヘッダー & 検索セクション --- */
.site-header {
    background: linear-gradient(135deg, var(--color-blue), var(--color-green));
    padding: 6rem 0 10rem;
    position: relative;
    text-align: center;
    color: var(--white);
}

.site-title {
    font-size: 2.8rem;
    font-weight: 300;
    letter-spacing: 2px;
}

.site-subtitle {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: 3rem;
}

.search-box-wrapper {
    max-width: 900px;
    margin: 0 auto;
}

.search-box {
    display: grid;
    /* ▼▼▼ 新しい項目に合わせてグリッドを調整 ▼▼▼ */
    grid-template-columns: 1fr 2fr 1.5fr 1fr auto;
    gap: 1rem;
    background: var(--white);
    padding: 1rem;
    border-radius: var(--border-radius);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.search-input-group {
    display: flex;
    align-items: center;
    border: 1px solid var(--gray-medium);
    border-radius: 8px;
    padding-left: 1rem;
    transition: all 0.3s ease;
}
.search-input-group:focus-within {
    border-color: var(--color-blue);
    box-shadow: 0 0 0 3px rgba(91, 146, 229, 0.2);
}
.search-input-group i {
    color: #aaa;
}

#searchInput {
    flex: 1;
    border: none;
    padding: 0.8rem;
    font-size: 1rem;
    border-radius: 8px;
}
#searchInput:focus {
    outline: none;
}

#transactionType, #priceRange, #roomType {
    padding: 0.8rem;
    border: 1px solid var(--gray-medium);
    border-radius: 8px;
    font-size: 1rem;
    background-color: var(--white);
    cursor: pointer;
}

#searchBtn {
    padding: 0.8rem 2rem;
    border: none;
    border-radius: 8px;
    background-color: var(--color-blue);
    color: var(--white);
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s ease;
}
#searchBtn:hover {
    background-color: #4a7fd4;
}

.header-wave {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    line-height: 0;
}
.header-wave svg {
    position: relative;
    display: block;
    width: calc(100% + 1.3px);
    height: 120px;
}
.header-wave .shape-fill {
    fill: var(--gray-light);
}

/* --- メインコンテンツ --- */
.main-content {
    padding: 4rem 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 300;
    color: var(--black);
    margin-bottom: 3rem;
}

.properties-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.property-card {
    background: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.07);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
    opacity: 0;
    transform: translateY(30px);
}
.property-card.is-visible {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.property-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
}

.property-image {
    height: 220px;
    background-color: var(--gray-medium);
    overflow: hidden;
    position: relative;
}
.property-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}
.property-card:hover .property-image img {
    transform: scale(1.05);
}

/* ▼▼▼ バッジのスタイルを追加 ▼▼▼ */
.property-badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    padding: 0.3rem 0.8rem;
    border-radius: 5px;
    color: var(--white);
    font-size: 0.8rem;
    font-weight: bold;
}
.badge-purchase { background-color: var(--color-green); }
.badge-rent { background-color: var(--color-blue); }


.property-info {
    padding: 1.5rem;
}

.property-price {
    font-size: 1.6rem;
    font-weight: bold;
    color: var(--color-green);
    margin-bottom: 0.5rem;
}
.property-price span {
    font-size: 1rem;
    font-weight: normal;
    color: var(--text-color);
}

.property-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--black);
    margin-bottom: 1rem;
    line-height: 1.4;
    height: 3.4em; /* タイトルが2行になってもレイアウトが崩れないように高さを確保 */
    overflow: hidden;
}

.property-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    color: #777;
    font-size: 0.9rem;
    border-top: 1px solid var(--gray-medium);
    padding-top: 1rem;
    margin-top: 1rem;
}
.property-meta span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.property-meta i {
    color: var(--color-blue);
}

.no-results {
    grid-column: 1 / -1;
    text-align: center;
    padding: 4rem 0;
    color: #888;
}

/* --- フッター --- */
.footer {
    padding: 2rem 0;
    text-align: center;
    background: #e9ecef;
    color: #888;
}

/* --- レスポンシブ --- */
@media (max-width: 960px) {
    .search-box {
        grid-template-columns: 1fr 1fr;
    }
    .search-input-group {
        grid-column: 1 / 3;
    }
}

@media (max-width: 480px) {
    .site-title { font-size: 2rem; }
    .section-title { font-size: 2rem; }
    .properties-grid {
        grid-template-columns: 1fr;
    }
     .search-box {
        grid-template-columns: 1fr;
    }
    .search-input-group {
        grid-column: 1 / -1;
    }
}