@charset "utf-8";.top_page_font_color{color: #FFFFFF;}/* ==================== リセット・基本設定 ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2c3e50;
    --secondary-color: #8b7d6b;
    --accent-color: #d4c5b9;
    --text-color: #333;
    --bg-color: #fafaf8;
    --white: #ffffff;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: 'Helvetica Neue', 'Arial', 'Hiragino Sans', 'Hiragino Kaku Gothic ProN', 'Meiryo', sans-serif;
    color: var(--text-color);
    background-color: var(--bg-color);
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
}

/* ==================== メインコンテナ ==================== */
.container {
    min-height: 100vh;
    padding: 2rem 0;
}

/* ==================== 気温選択画面 ==================== */
.temp-selection {
    max-width: 800px;
    margin: 0 auto;
    padding: 4rem 2rem;
    min-height: calc(100vh - 4rem);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.hero-title {
    text-align: center;
    margin-bottom: 1rem;
    animation: fadeInUp 0.8s ease-out;
}

.hero-title h1 {
    font-size: 2.5rem;
    font-weight: 300;
    letter-spacing: 4px;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.hero-title p {
    font-size: 1rem;
    color: var(--secondary-color);
    letter-spacing: 2px;
}

.temp-grid {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 3rem;
    animation: fadeInUp 0.8s ease-out 0.2s backwards;
}

.temp-card {
    background: var(--white);
    border: 1px solid #e8e8e8;
    border-radius: 12px;
    padding: 1.5rem 2rem;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    display: grid;
    grid-template-columns: 100px 1fr;
    align-items: center;
    gap: 2rem;
    text-decoration: none;
}

.temp-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.15;
    transition: var(--transition);
}

/* ヒートマップカラー（30℃→0℃の降順） */
.temp-card[data-temp="30"]::before {
    background: linear-gradient(135deg, #ff6b35, #ff8c42);
}

.temp-card[data-temp="25"]::before {
    background: linear-gradient(135deg, #ff8c42, #ffa552);
}

.temp-card[data-temp="20"]::before {
    background: linear-gradient(135deg, #ffa552, #ffbe62);
}

.temp-card[data-temp="15"]::before {
    background: linear-gradient(135deg, #ffd662, #b8d978);
}

.temp-card[data-temp="10"]::before {
    background: linear-gradient(135deg, #90d4a8, #5eb3d4);
}

.temp-card[data-temp="5"]::before {
    background: linear-gradient(135deg, #5eb3d4, #4a9fd8);
}

.temp-card[data-temp="0"]::before {
    background: linear-gradient(135deg, #4a9fd8, #3d7ac2);
}

.temp-card:hover {
    transform: translateX(8px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
    border-color: var(--accent-color);
}

.temp-card:hover::before {
    opacity: 0.25;
}

.temp-info {
    position: relative;
    z-index: 1;
}

.temp-value {
    font-size: 2.8rem;
    font-weight: 300;
    color: var(--primary-color);
    line-height: 1;
}

.temp-details {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.temp-label {
    font-size: 0.85rem;
    color: var(--secondary-color);
    letter-spacing: 1px;
    text-transform: uppercase;
}

.temp-item-guide {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--primary-color);
    letter-spacing: 0.5px;
}

/* ==================== アニメーション ==================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==================== レスポンシブ ==================== */
@media (max-width: 768px) {
    .hero-title h1 {
        font-size: 1.8rem;
    }

    .temp-selection {
        padding: 3rem 1rem;
    }

    .temp-grid {
        gap: 0.75rem;
    }

    .temp-card {
        grid-template-columns: 80px 1fr;
        gap: 1rem;
        padding: 1.2rem 1.5rem;
    }

    .temp-value {
        font-size: 2.2rem;
    }

    .temp-item-guide {
        font-size: 1rem;
    }

    .temp-label {
        font-size: 0.75rem;
    }
}