/* 
 * 清潔さの真髄 - トイレケア製品ブログ
 * スタイルシート
 */

/* ベース設定 */
:root {
    /* メインカラー */
    --primary-color: #7ececa; /* 明るい水色 */
    --primary-dark: #5ba8a2; /* 深い水色 */
    --secondary-color: #e8f8f5; /* 非常に薄い水色 */
    --accent-color: #4fb3aa; /* アクセントカラー */
    
    /* テキストカラー */
    --text-dark: #333333;
    --text-medium: #666666;
    --text-light: #999999;
    
    /* 背景色 */
    --bg-white: #ffffff;
    --bg-light: #f9fcfc;
    --bg-dark: #1a2a2d;
    
    /* その他の色 */
    --border-color: #e0e0e0;
    --success-color: #4caf50;
    --error-color: #f44336;
    --warning-color: #ff9800;
    
    /* フォント */
    --font-main: 'Hiragino Kaku Gothic Pro', 'メイリオ', Meiryo, sans-serif;
    --font-heading: 'Hiragino Mincho Pro', 'Yu Mincho', 'YuMincho', serif;
    
    /* サイズと空間 */
    --container-width: 1200px;
    --header-height: 80px;
    --footer-height: 320px;
    --border-radius: 8px;
    --box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    
    /* アニメーション */
    --transition-speed: 0.3s;
}

/* ダークモードの色設定 */
.dark-theme {
    --primary-color: #5ba8a2; /* 深い水色 */
    --primary-dark: #3a6d68; /* より深い水色 */
    --secondary-color: #1c3c3a; /* 非常に深い水色 */
    --accent-color: #7ececa; /* 明るい水色をアクセントに */
    
    --text-dark: #e0e0e0;
    --text-medium: #b0b0b0;
    --text-light: #808080;
    
    --bg-white: #1a2a2d;
    --bg-light: #223438;
    --bg-dark: #0d1618;
    
    --border-color: #2a3a3d;
    
    --box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
}

/* ページ全体の設定 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    color: var(--text-dark);
    background-color: var(--bg-white);
    line-height: 1.6;
    transition: background-color var(--transition-speed), color var(--transition-speed);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
}

a {
    text-decoration: none;
    color: var(--primary-dark);
    transition: color var(--transition-speed);
}

a:hover {
    color: var(--accent-color);
}

ul, ol {
    list-style-position: inside;
    margin-bottom: 1rem;
}

img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius);
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* タイポグラフィ */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    margin-bottom: 1rem;
    line-height: 1.3;
    color: var(--text-dark);
    transition: color var(--transition-speed);
}

h1 {
    font-size: 2.2rem;
}

h2 {
    font-size: 1.8rem;
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.2rem;
}

p {
    margin-bottom: 1.5rem;
}

/* ヘッダー */
header {
    background-color: var(--bg-white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: background-color var(--transition-speed), box-shadow var(--transition-speed);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: var(--header-height);
}

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 50px;
    width: auto;
    margin-right: 15px;
    border-radius: 50%;
}

.logo h1 {
    font-size: 1.6rem;
    margin: 0;
}

nav ul {
    display: flex;
    list-style: none;
    margin: 0;
}

nav li {
    margin-left: 30px;
}

nav a {
    font-weight: 500;
    color: var(--text-dark);
    padding: 5px 0;
    position: relative;
}

nav a:after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: var(--primary-color);
    transition: width var(--transition-speed);
}

nav a:hover:after,
nav a.active:after {
    width: 100%;
}

/* 3Dボタン */
.three-d-button {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: var(--border-radius);
    font-weight: bold;
    cursor: pointer;
    transition: transform 0.1s, box-shadow 0.1s;
    box-shadow: 0 4px 0 var(--primary-dark);
    position: relative;
    top: 0;
}

.three-d-button:hover {
    background-color: var(--primary-dark);
}

.three-d-button:active {
    top: 4px;
    box-shadow: none;
    transform: translateY(0);
}

/* ヒーローセクション */
.hero {
    background-color: var(--secondary-color);
    padding: 60px 0;
    margin-bottom: 40px;
    transition: background-color var(--transition-speed);
}

.hero .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}

.hero-content {
    flex: 1;
}

.hero-image {
    flex: 1;
    text-align: right;
}

.hero-image img {
    max-width: 100%;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.hero h2 {
    margin-bottom: 15px;
    font-size: 2.2rem;
}

.hero p {
    font-size: 1.1rem;
    color: var(--text-medium);
}

/* ブログ記事カード */
.blog-posts {
    padding: 40px 0;
}

.post-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.post-card {
    background-color: var(--bg-light);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: transform 0.3s, box-shadow 0.3s, background-color var(--transition-speed);
}

.post-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.1);
}

.post-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.post-card .post-content {
    padding: 20px;
}

.post-card h3 {
    margin-bottom: 10px;
    font-size: 1.3rem;
}

.post-card p {
    color: var(--text-medium);
    margin-bottom: 15px;
}

.read-more {
    display: inline-block;
    font-weight: bold;
    color: var(--primary-color);
    position: relative;
}

.read-more:after {
    content: '→';
    margin-left: 5px;
    transition: transform var(--transition-speed);
}

.read-more:hover:after {
    transform: translateX(5px);
}

/* ニュースレターセクション */
.newsletter {
    background: linear-gradient(to right, var(--primary-color), var(--primary-dark));
    color: white;
    padding: 60px 0;
    margin-top: 40px;
    text-align: center;
}

.newsletter h2,
.newsletter p {
    color: white;
}

.newsletter p {
    max-width: 600px;
    margin: 0 auto 30px;
}

.newsletter-form {
    display: flex;
    max-width: 500px;
    margin: 0 auto;
    gap: 10px;
}

.newsletter-form input {
    flex: 1;
    padding: 12px 15px;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
}

/* フッター */
footer {
    background-color: var(--bg-light);
    padding: 60px 0 20px;
    margin-top: 60px;
    transition: background-color var(--transition-speed);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 30px;
}

.footer-logo img {
    height: 40px;
    width: auto;
    margin-bottom: 15px;
    border-radius: 50%;
}

.footer-logo h3 {
    margin-bottom: 10px;
    font-size: 1.2rem;
}

.footer-links h4,
.footer-contact h4 {
    font-size: 1.1rem;
    margin-bottom: 15px;
}

.footer-links ul {
    list-style: none;
    margin: 0;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-contact p {
    margin-bottom: 10px;
    color: var(--text-medium);
    font-size: 0.95rem;
}

.social-icons {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-icons a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: var(--secondary-color);
    border-radius: 50%;
    color: var(--primary-dark);
    transition: background-color var(--transition-speed), color var(--transition-speed), transform 0.3s;
}

.social-icons a:hover {
    background-color: var(--primary-color);
    color: white;
    transform: scale(1.1);
}

.copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    color: var(--text-light);
    font-size: 0.9rem;
}

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
    padding: 20px;
    z-index: 9999;
    display: none;
    transition: background-color var(--transition-speed);
}

.dark-theme .cookie-banner {
    background-color: rgba(26, 42, 45, 0.95);
}

.cookie-content {
    max-width: var(--container-width);
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.cookie-content p {
    margin-bottom: 15px;
    text-align: center;
}

.cookie-buttons {
    display: flex;
    gap: 10px;
    margin-bottom: 10px;
}

/* 画像のホバーエフェクト */
.post-card img,
.hero-image img {
    transition: transform 0.5s;
}

.post-card:hover img,
.hero-image img:hover {
    transform: scale(1.05);
}

/* 流れるような水のアクセント */
.hero::before,
.newsletter::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(
        90deg, 
        rgba(126, 206, 202, 0) 0%, 
        rgba(126, 206, 202, 0.8) 50%, 
        rgba(126, 206, 202, 0) 100%
    );
    animation: flow 8s infinite linear;
}

@keyframes flow {
    0% { background-position-x: 0%; }
    100% { background-position-x: 200%; }
}

/* ブログ記事ページのスタイル */
.blog-post {
    padding: 40px 0;
}

.post-header {
    margin-bottom: 30px;
    text-align: center;
}

.post-meta {
    display: flex;
    justify-content: center;
    gap: 20px;
    color: var(--text-light);
    margin-top: 10px;
}

.post-featured-image {
    margin-bottom: 30px;
    text-align: center;
}

.post-featured-image img {
    max-height: 500px;
    object-fit: cover;
    box-shadow: var(--box-shadow);
}

.post-content h3 {
    margin-top: 30px;
    margin-bottom: 15px;
}

.post-content h4 {
    margin-top: 25px;
    margin-bottom: 10px;
}

.post-content ul,
.post-content ol {
    margin-left: 20px;
    margin-bottom: 20px;
}

.post-content li {
    margin-bottom: 8px;
}

.post-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 30px 0;
}

.tag {
    background-color: var(--secondary-color);
    color: var(--primary-dark);
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    transition: background-color var(--transition-speed), color var(--transition-speed);
}

.post-navigation {
    display: flex;
    justify-content: space-between;
    margin: 40px 0;
    padding: 20px 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.post-navigation a {
    display: flex;
    align-items: center;
    font-weight: bold;
}

.prev:before {
    content: '←';
    margin-right: 8px;
}

.next:after {
    content: '→';
    margin-left: 8px;
}

.related-posts {
    margin-top: 50px;
}

.related-posts h3 {
    margin-bottom: 20px;
    text-align: center;
}

/* About Us ページのスタイル */
.about-hero {
    text-align: center;
    padding: 60px 0;
    background-color: var(--secondary-color);
    margin-bottom: 40px;
    transition: background-color var(--transition-speed);
}

.about-hero img {
    max-width: 800px;
    margin-top: 30px;
    box-shadow: var(--box-shadow);
}

.our-mission {
    padding: 40px 0;
}

.mission-content {
    display: flex;
    align-items: center;
    gap: 40px;
}

.mission-text {
    flex: 1;
}

.mission-image {
    flex: 1;
}

.mission-image img {
    box-shadow: var(--box-shadow);
}

.team {
    padding: 40px 0;
    background-color: var(--bg-light);
    transition: background-color var(--transition-speed);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.team-member {
    background-color: var(--bg-white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    text-align: center;
    padding-bottom: 20px;
    transition: transform 0.3s, background-color var(--transition-speed);
}

.team-member:hover {
    transform: translateY(-5px);
}

.team-member img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.team-member h3 {
    margin: 15px 0 5px;
}

.team-member p {
    margin: 0 15px 10px;
}

.values {
    padding: 40px 0;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.value-card {
    padding: 30px;
    background-color: var(--bg-light);
    border-radius: var(--border-radius);
    text-align: center;
    transition: transform 0.3s, background-color var(--transition-speed);
}

.value-card:hover {
    transform: translateY(-5px);
}

.value-card svg {
    margin-bottom: 15px;
    color: var(--primary-color);
}

.join-us {
    text-align: center;
    padding: 60px 0;
    background: linear-gradient(to right, var(--primary-color), var(--primary-dark));
    color: white;
    margin-top: 40px;
}

.join-us h2,
.join-us p {
    color: white;
}

.join-us p {
    max-width: 600px;
    margin: 0 auto 30px;
}

.join-us .three-d-button {
    background-color: white;
    color: var(--primary-dark);
    box-shadow: 0 4px 0 rgba(0, 0, 0, 0.1);
}

.join-us .three-d-button:hover {
    background-color: var(--bg-light);
}

/* お問い合わせページのスタイル */
.contact-hero {
    text-align: center;
    padding: 60px 0;
    background-color: var(--secondary-color);
    margin-bottom: 40px;
    transition: background-color var(--transition-speed);
}

.contact-info {
    padding: 40px 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.contact-methods {
    background-color: var(--bg-light);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: background-color var(--transition-speed);
}

.contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.contact-item svg {
    margin-right: 15px;
    color: var(--primary-color);
    flex-shrink: 0;
}

.contact-item h4 {
    margin: 0 0 5px 0;
}

.contact-item p {
    margin: 0;
    color: var(--text-medium);
}

.contact-form-container {
    background-color: var(--bg-white);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: background-color var(--transition-speed);
}

.contact-form {
    display: grid;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    margin-bottom: 5px;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-family: var(--font-main);
    font-size: 1rem;
    transition: border-color var(--transition-speed), background-color var(--transition-speed);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--primary-color);
    outline: none;
}

.dark-theme .form-group input,
.dark-theme .form-group textarea {
    background-color: var(--bg-light);
    color: var(--text-dark);
}

.map-section {
    padding: 40px 0;
}

.map-container {
    height: 400px;
    background-color: var(--bg-light);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: background-color var(--transition-speed);
}

.map-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.map-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 0;
}

.faq-section {
    padding: 40px 0;
}

.accordion {
    margin-top: 30px;
}

.accordion-item {
    margin-bottom: 15px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: border-color var(--transition-speed);
}

.accordion-header {
    width: 100%;
    padding: 15px 20px;
    background-color: var(--bg-white);
    border: none;
    text-align: left;
    font-weight: 500;
    font-size: 1rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color var(--transition-speed);
}

.accordion-header svg {
    transition: transform var(--transition-speed);
}

.accordion-header.active svg {
    transform: rotate(180deg);
}

.accordion-content {
    padding: 0 20px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s, padding 0.3s;
}

.accordion-content.active {
    padding: 0 20px 15px;
    max-height: 200px;
}

/* モーダル */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1001;
}

.modal-content {
    background-color: var(--bg-white);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    max-width: 500px;
    width: 90%;
    text-align: center;
    position: relative;
    transition: background-color var(--transition-speed);
}

.close-button {
    position: absolute;
    top: 10px;
    right: 10px;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-light);
    background: none;
    border: none;
    transition: color var(--transition-speed);
}

.close-button:hover {
    color: var(--text-dark);
}

.modal-content h2 {
    margin-top: 10px;
}

.modal-content button {
    margin-top: 20px;
}

/* レスポンシブデザイン */
@media (max-width: 992px) {
    .hero .container {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-image {
        order: -1;
        margin-bottom: 30px;
    }
    
    .mission-content {
        flex-direction: column;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    header .container {
        flex-direction: column;
        height: auto;
        padding: 20px;
    }
    
    .logo {
        margin-bottom: 20px;
    }
    
    nav ul {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    nav li {
        margin: 5px 15px;
    }
    
    .newsletter-form {
        flex-direction: column;
    }
    
    .post-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
}

@media (max-width: 576px) {
    html {
        font-size: 14px;
    }
    
    .post-grid,
    .team-grid,
    .values-grid {
        grid-template-columns: 1fr;
    }
    
    .post-navigation {
        flex-direction: column;
        gap: 15px;
    }
}

/* アクセシビリティ向上のためのスタイル */
a:focus,
button:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* 水の輝きエフェクト */
.hero::after,
.newsletter::after {
    content: '';
    position: absolute;
    width: 100px;
    height: 100px;
    background: radial-gradient(circle, rgba(255,255,255,0.8) 0%, rgba(255,255,255,0) 70%);
    border-radius: 50%;
    opacity: 0.6;
    pointer-events: none;
    animation: glimmer 10s infinite linear;
}

@keyframes glimmer {
    0% { 
        left: 10%; 
        top: 20%; 
        opacity: 0.2;
    }
    25% { 
        left: 80%; 
        top: 60%; 
        opacity: 0.5;
    }
    50% { 
        left: 20%; 
        top: 80%; 
        opacity: 0.3;
    }
    75% { 
        left: 70%; 
        top: 30%; 
        opacity: 0.6;
    }
    100% { 
        left: 10%; 
        top: 20%; 
        opacity: 0.2;
    }
}