@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: auto;
    padding: 0;
}

/* ==================== 1. 見出しセクション ==================== */
.coordinate-detail {
    animation: fadeIn 0.5s ease-out;
}

.detail-hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
    padding: 4rem 2rem 3rem;
    text-align: center;
}

.detail-temp {
    font-size: 4rem;
    font-weight: 200;
    margin-bottom: 1rem;
}

.detail-description {
    font-size: 1.1rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.8;
}

/* ==================== 2. キーアイテムセクション ==================== */
.key-items-section {
    padding: 4rem 2rem;
    background-color: var(--white);
}

.key-items {
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    font-size: 1.8rem;
    font-weight: 300;
    letter-spacing: 3px;
    color: var(--primary-color);
    margin-bottom: 2rem;
    text-align: center;
}

.items-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.key-item-link {
    text-decoration: none;
    color: inherit;
    display: block;
}

.key-item {
    text-align: center;
    animation: fadeInUp 0.6s ease-out backwards;
    transition: var(--transition);
}

.key-item-link:nth-child(1) .key-item {
    animation-delay: 0s;
}

.key-item-link:nth-child(3) .key-item {
    animation-delay: 0.1s;
}

.key-item-link:nth-child(5) .key-item {
    animation-delay: 0.2s;
}

.item-plus:nth-child(2) {
    animation-delay: 0.05s;
}

.item-plus:nth-child(4) {
    animation-delay: 0.15s;
}

.key-item-link:hover .key-item {
    transform: translateY(-8px);
}

.key-item-icon {
    width: 120px;
    height: 120px;
    margin: 0 auto 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #f8f8f8;
    border-radius: 8px;
    overflow: hidden;
    position: relative;
    transition: var(--transition);
}

.key-item-link:hover .key-item-icon {
    background-color: var(--accent-color);
    box-shadow: 0 8px 20px rgba(0,0,0,0.12);
}

.key-item-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 1rem;
    transition: var(--transition);
}

.key-item-link:hover .key-item-icon img {
    transform: scale(1.1);
}

.key-item-name {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--primary-color);
    letter-spacing: 1px;
    transition: var(--transition);
}

.key-item-link:hover .key-item-name {
    color: var(--secondary-color);
}

.item-plus {
    font-size: 2rem;
    color: var(--secondary-color);
    font-weight: 300;
    animation: fadeInUp 0.6s ease-out backwards;
}

/* ==================== 3. SEO導入セクション ==================== */
.seo-intro {
    background-color: #f9f9f9;
    padding: 4rem 2rem;
    border-top: 1px solid #e8e8e8;
    border-bottom: 1px solid #e8e8e8;
}

.seo-intro-content {
    max-width: 900px;
    margin: 0 auto;
}

.seo-title {
    font-size: 1.8rem;
    font-weight: 400;
    letter-spacing: 1px;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    line-height: 1.5;
    text-align: center;
}

/* 改善①：結論型リード文のスタイル */
.lead-conclusion {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary-color);
    background-color: var(--white);
    padding: 1.2rem 1.5rem;
    border-left: 4px solid var(--secondary-color);
    margin: 1.5rem 0 2rem;
    line-height: 1.7;
    border-radius: 4px;
}

.seo-text {
    color: var(--text-color);
    line-height: 1.9;
}

.seo-text p {
    margin-bottom: 1rem;
}

.seo-text p:last-child {
    margin-bottom: 0;
}

/* ==================== 改善②：体感温度ガイドセクション ==================== */
.temperature-guide {
    background-color: var(--white);
    padding: 4rem 2rem;
}

.temperature-guide-content {
    max-width: 1000px;
    margin: 0 auto;
}

.guide-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.guide-item {
    background-color: #f9f9f9;
    padding: 1.5rem;
    border-radius: 8px;
    border-top: 3px solid var(--accent-color);
}

.guide-heading {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 0.8rem;
    letter-spacing: 0.5px;
}

.guide-text {
    font-size: 0.95rem;
    color: var(--text-color);
    line-height: 1.7;
}

/* ==================== 改善③：アイテム理由セクション ==================== */
.item-reason-section {
    background-color: #f9f9f9;
    padding: 4rem 2rem;
    border-top: 1px solid #e8e8e8;
}

.item-reason-content {
    max-width: 1000px;
    margin: 0 auto;
}

.reason-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.reason-item {
    background-color: var(--white);
    padding: 2rem 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.reason-heading {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--accent-color);
}

.reason-points {
    list-style: none;
    padding: 0;
}

.reason-points li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.8rem;
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-color);
}

.reason-points li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: bold;
}

.reason-points li:last-child {
    margin-bottom: 0;
}

/* ==================== 4. FAQセクション ==================== */
.faq-section {
    background-color: var(--white);
    padding: 4rem 2rem;
}

.faq-content {
    max-width: 900px;
    margin: 0 auto;
}

.faq-title {
    font-size: 1.6rem;
    font-weight: 400;
    letter-spacing: 2px;
    color: var(--primary-color);
    margin-bottom: 2rem;
    text-align: center;
}

.faq-item {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid #e8e8e8;
}

.faq-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.faq-question {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--primary-color);
    margin-bottom: 0.8rem;
    letter-spacing: 0.5px;
}

.faq-answer {
    color: var(--text-color);
    line-height: 1.8;
}

/* ==================== 5. コーディネート一覧 ==================== */
.coordinate-list-section {
    background-color: #f9f9f9;
    padding: 4rem 2rem;
}

.detail-content {
    max-width: 1000px;
    margin: 0 auto;
}

.coordinate-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.coordinate-item {
    background: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    transition: var(--transition);
    animation: fadeInUp 0.6s ease-out backwards;
}

.coordinate-item:nth-child(1) {
    animation-delay: 0.5s;
}

.coordinate-item:nth-child(2) {
    animation-delay: 0.65s;
}

.coordinate-item:nth-child(3) {
    animation-delay: 0.8s;
}

.coordinate-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(0,0,0,0.15);
}

.coordinate-image {
    width: 100%;
    aspect-ratio: 3 / 4;
    background-color: #f5f5f5;
    position: relative;
    overflow: hidden;
}

.coordinate-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.coordinate-item:hover .coordinate-image img {
    transform: scale(1.05);
}

.coordinate-info {
    padding: 1.5rem;
}

.coordinate-name {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.coordinate-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.tag {
    background: var(--accent-color);
    color: var(--text-color);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.75rem;
    letter-spacing: 0.5px;
}

.view-detail-btn {
    width: 100%;
    background: var(--primary-color);
    color: var(--white);
    border: none;
    padding: 0.8rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9rem;
    letter-spacing: 1px;
    transition: var(--transition);
}

.view-detail-btn:hover {
    background: var(--secondary-color);
}

/* ==================== 6. 気温ナビゲーション ==================== */
.temperature-nav {
    background-color: var(--white);
    padding: 4rem 2rem;
    border-top: 1px solid #e8e8e8;
}

.temperature-nav-content {
    max-width: 900px;
    margin: 0 auto;
}

.temperature-nav-title {
    font-size: 1.6rem;
    font-weight: 400;
    letter-spacing: 2px;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    text-align: center;
}

/* 改善⑤：温度横断導線の説明文 */
.temperature-nav-desc {
    text-align: center;
    color: var(--secondary-color);
    font-size: 0.95rem;
    margin-bottom: 2rem;
}

.temperature-nav-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1rem;
}

.temp-nav-link {
    background: #f9f9f9;
    padding: 1.2rem 1rem;
    text-align: center;
    text-decoration: none;
    color: var(--primary-color);
    border: 1px solid #e8e8e8;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 1px;
    transition: var(--transition);
}

.temp-nav-link:hover {
    background: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

/* ==================== 戻るボタン（固定） ==================== */
.back-button-fixed {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: var(--white);
    border: 1px solid var(--primary-color);
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    padding: 1rem 1.5rem;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    transition: var(--transition);
    z-index: 999;
    text-decoration: none;
}

.back-button-fixed:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.2);
}

.back-button-content {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.back-button-fixed svg {
    width: 20px;
    height: 20px;
    stroke: var(--primary-color);
    stroke-width: 2;
    transition: var(--transition);
    flex-shrink: 0;
}

.back-button-fixed:hover svg {
    stroke: var(--white);
}

.back-button-text {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--primary-color);
    letter-spacing: 0.5px;
    line-height: 1.4;
    transition: var(--transition);
    white-space: nowrap;
}

.back-button-fixed:hover .back-button-text {
    color: var(--white);
}

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

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* ==================== レスポンシブ ==================== */
@media (max-width: 768px) {
    .detail-hero {
        padding: 3rem 1.5rem 2.5rem;
    }

    .detail-temp {
        font-size: 3rem;
    }

    .key-items-section {
        padding: 3rem 1.5rem;
    }

    .items-wrapper {
        gap: 1rem;
    }

    .key-item-icon {
        width: 90px;
        height: 90px;
    }

    .item-plus {
        font-size: 1.5rem;
    }

    .seo-intro {
        padding: 3rem 1.5rem;
    }

    .seo-title {
        font-size: 1.4rem;
    }

    .lead-conclusion {
        font-size: 1.05rem;
        padding: 1rem;
    }

    .temperature-guide {
        padding: 3rem 1.5rem;
    }

    .guide-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .item-reason-section {
        padding: 3rem 1.5rem;
    }

    .reason-list {
        grid-template-columns: 1fr;
    }

    .faq-section {
        padding: 3rem 1.5rem;
    }

    .faq-title {
        font-size: 1.3rem;
    }

    .coordinate-list-section {
        padding: 3rem 1.5rem;
    }

    .detail-content {
        max-width: 100%;
    }

    .coordinate-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        max-width: 400px;
        margin: 0 auto 2rem;
    }

    .temperature-nav {
        padding: 3rem 1.5rem;
    }

    .temperature-nav-title {
        font-size: 1.3rem;
    }

    .temperature-nav-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .back-button-fixed {
        bottom: 1.5rem;
        right: 1.5rem;
        padding: 0.8rem 1.2rem;
    }

    .back-button-fixed svg {
        width: 18px;
        height: 18px;
    }

    .back-button-text {
        font-size: 0.75rem;
    }
}