/* ==========================================
   らんらんケア 公式ホームページ
   温かみのあるデザイン - ピーチ/オレンジ色基調
   ========================================== */

/* ==========================================
   リセット & 基本設定
   ========================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* メインカラー - ピーチ/オレンジ */
    --primary-color: #FF9B7A;
    --primary-light: #FFB39A;
    --primary-lighter: #FFDAD0;
    --primary-dark: #E87A5A;
    
    /* アクセントカラー */
    --accent-color: #FFA07A;
    --accent-light: #FFB89E;
    
    /* ニュートラルカラー */
    --white: #FFFFFF;
    --light-bg: #FFF8F5;
    --cream: #FFF5F0;
    --gray-light: #F5F5F5;
    --gray: #888888;
    --gray-dark: #555555;
    --text-color: #333333;
    
    /* フォント */
    --font-family: 'Noto Sans JP', sans-serif;
    
    /* スペーシング */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    
    /* トランジション */
    --transition: all 0.3s ease;
}

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

body {
    font-family: var(--font-family);
    color: var(--text-color);
    line-height: 1.8;
    background-color: var(--white);
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul {
    list-style: none;
}

/* ==========================================
   コンテナ
   ========================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ==========================================
   ヘッダー & ナビゲーション
   ========================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.98);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    z-index: 1000;
    transition: var(--transition);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-img {
    width: 50px;
    height: 50px;
    object-fit: contain;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-menu {
    display: flex;
    gap: 2rem;
}

.nav-menu a {
    font-weight: 500;
    color: var(--text-color);
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: var(--transition);
}

.nav-menu a:hover::after {
    width: 100%;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--primary-color);
    transition: var(--transition);
}

/* ==========================================
   ヒーローセクション
   ========================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--light-bg) 0%, var(--cream) 100%);
    padding-top: 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--primary-lighter) 0%, transparent 70%);
    border-radius: 50%;
    opacity: 0.5;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--primary-color);
    font-weight: 500;
}

.hero-main {
    font-size: 3rem;
    font-weight: 700;
    color: var(--text-color);
    line-height: 1.3;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--gray-dark);
    margin-top: 1.5rem;
    line-height: 2;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.btn {
    padding: 1rem 2.5rem;
    border-radius: 50px;
    font-weight: 500;
    transition: var(--transition);
    display: inline-block;
    text-align: center;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(255, 155, 122, 0.3);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255, 155, 122, 0.4);
}

.btn-secondary {
    background-color: var(--white);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
    background-color: var(--primary-color);
    color: var(--white);
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-decoration {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, var(--primary-light), var(--accent-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 20px 60px rgba(255, 155, 122, 0.3);
    animation: float 6s ease-in-out infinite;
}

.hero-decoration i {
    font-size: 8rem;
    color: var(--white);
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-color);
    animation: bounce 2s infinite;
}

.scroll-line {
    width: 2px;
    height: 40px;
    background: linear-gradient(to bottom, var(--primary-color), transparent);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* ==========================================
   お知らせセクション
   ========================================== */
.notice {
    padding: 2rem 0;
    background-color: var(--white);
}

.notice-card {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--white);
    padding: 2rem;
    border-radius: 15px;
    display: flex;
    align-items: center;
    gap: 2rem;
    box-shadow: 0 10px 30px rgba(255, 155, 122, 0.2);
}

.notice-card i {
    font-size: 3rem;
    animation: ring 2s infinite;
}

@keyframes ring {
    0%, 100% {
        transform: rotate(0deg);
    }
    10%, 30% {
        transform: rotate(-10deg);
    }
    20%, 40% {
        transform: rotate(10deg);
    }
}

.notice-content h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.notice-content p {
    font-size: 1rem;
    opacity: 0.95;
}

/* ==========================================
   セクション共通スタイル
   ========================================== */
section {
    padding: 5rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-subtitle {
    display: inline-block;
    color: var(--primary-color);
    font-weight: 500;
    font-size: 1rem;
    letter-spacing: 0.1em;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 1rem;
}

.section-description {
    font-size: 1.1rem;
    color: var(--gray-dark);
    max-width: 700px;
    margin: 0 auto;
    line-height: 2;
}

/* ==========================================
   理念セクション
   ========================================== */
.philosophy {
    background-color: var(--light-bg);
}

.philosophy-item {
    margin-bottom: 4rem;
}

.philosophy-item:last-child {
    margin-bottom: 0;
}

.main-philosophy {
    background: linear-gradient(135deg, var(--primary-lighter), var(--cream));
    padding: 3rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 40px rgba(255, 155, 122, 0.1);
}

.main-philosophy .philosophy-icon {
    font-size: 4rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.main-philosophy .philosophy-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.main-philosophy .philosophy-text {
    font-size: 1.2rem;
    color: var(--text-color);
    line-height: 2;
}

.philosophy-icon {
    text-align: center;
    margin-bottom: 2rem;
}

.philosophy-icon i {
    font-size: 3rem;
    color: var(--primary-color);
}

.philosophy-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 2rem;
    text-align: center;
}

/* ミッション */
.mission-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.mission-card {
    background-color: var(--white);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    position: relative;
    transition: var(--transition);
}

.mission-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(255, 155, 122, 0.2);
}

.mission-number {
    position: absolute;
    top: -15px;
    left: 2rem;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
}

.mission-card h4 {
    font-size: 1.2rem;
    color: var(--text-color);
    margin-bottom: 1rem;
    margin-top: 0.5rem;
}

.mission-card p {
    color: var(--gray-dark);
    line-height: 1.8;
}

/* バリュー */
.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.value-card {
    background-color: var(--white);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.value-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(255, 155, 122, 0.2);
}

.value-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.value-card h4 {
    font-size: 1.3rem;
    color: var(--text-color);
    margin-bottom: 1rem;
}

.value-card p {
    color: var(--gray-dark);
    line-height: 1.8;
}

/* ==========================================
   サービスセクション
   ========================================== */
.services {
    background-color: var(--white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.service-card {
    background-color: var(--light-bg);
    padding: 2.5rem;
    border-radius: 20px;
    transition: var(--transition);
    border: 2px solid transparent;
}

.service-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(255, 155, 122, 0.2);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.service-icon i {
    font-size: 2.5rem;
    color: var(--white);
}

.service-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 1rem;
}

.service-description {
    color: var(--gray-dark);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.service-list {
    list-style: none;
}

.service-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    margin-bottom: 0.8rem;
    color: var(--text-color);
}

.service-list i {
    color: var(--primary-color);
    margin-top: 0.3rem;
}

.service-note {
    background-color: var(--light-bg);
    padding: 2rem;
    border-radius: 15px;
    border-left: 4px solid var(--primary-color);
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.service-note i {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-top: 0.2rem;
}

.service-note p {
    line-height: 1.8;
    color: var(--text-color);
}

/* ==========================================
   お問い合わせセクション
   ========================================== */
.contact {
    background: linear-gradient(135deg, var(--light-bg) 0%, var(--cream) 100%);
}

.contact-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-method {
    background-color: var(--white);
    padding: 2rem;
    border-radius: 15px;
    display: flex;
    align-items: center;
    gap: 2rem;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.contact-method:hover {
    transform: translateX(10px);
    box-shadow: 0 10px 30px rgba(255, 155, 122, 0.2);
}

.contact-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon i {
    font-size: 2rem;
    color: var(--white);
}

.contact-info h3 {
    font-size: 1.2rem;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.contact-link {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    display: block;
    margin-bottom: 0.5rem;
}

.contact-link:hover {
    color: var(--primary-dark);
}

.contact-note {
    font-size: 0.9rem;
    color: var(--gray);
}

.contact-message {
    display: flex;
    align-items: center;
}

.message-box {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--white);
    padding: 2.5rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(255, 155, 122, 0.3);
}

.message-box i {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.message-box p {
    line-height: 2;
    font-size: 1rem;
}

/* ==========================================
   会社概要セクション
   ========================================== */
.about {
    background-color: var(--white);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
    align-items: start;
    margin-bottom: 4rem;
}

.about-logo {
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: var(--light-bg);
    padding: 3rem;
    border-radius: 20px;
}

.about-logo img {
    max-width: 200px;
}

.about-table {
    width: 100%;
    border-collapse: collapse;
}

.about-table tr {
    border-bottom: 1px solid var(--gray-light);
}

.about-table th,
.about-table td {
    padding: 1.2rem;
    text-align: left;
}

.about-table th {
    background-color: var(--light-bg);
    color: var(--text-color);
    font-weight: 600;
    width: 180px;
    border-right: 3px solid var(--primary-color);
}

.about-table td {
    color: var(--gray-dark);
}

.about-table a {
    color: var(--primary-color);
}

.about-table a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

.representative-message {
    background: linear-gradient(135deg, var(--light-bg), var(--cream));
    padding: 3rem;
    border-radius: 20px;
}

.representative-message h3 {
    font-size: 1.8rem;
    color: var(--text-color);
    margin-bottom: 2rem;
    text-align: center;
}

.message-content p {
    margin-bottom: 1.5rem;
    line-height: 2;
    color: var(--text-color);
}

.signature {
    text-align: right;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 2px solid var(--primary-lighter);
}

.signature .name {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-top: 0.5rem;
}

/* ==========================================
   フッター
   ========================================== */
.footer {
    background: linear-gradient(135deg, var(--text-color), var(--gray-dark));
    color: var(--white);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-logo img {
    width: 80px;
    margin-bottom: 1rem;
}

.footer-tagline {
    color: var(--primary-lighter);
    font-size: 0.9rem;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.footer-column h4 {
    color: var(--primary-light);
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.footer-column ul li {
    margin-bottom: 0.5rem;
}

.footer-column a:hover {
    color: var(--primary-light);
}

.footer-column i {
    margin-right: 0.5rem;
    color: var(--primary-light);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
}

/* ==========================================
   トップに戻るボタン
   ========================================== */
.scroll-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 5px 20px rgba(255, 155, 122, 0.4);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(255, 155, 122, 0.5);
}

.scroll-top i {
    font-size: 1.2rem;
}

/* ==========================================
   レスポンシブデザイン
   ========================================== */

/* タブレット */
@media (max-width: 968px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .hero-image {
        order: -1;
    }
    
    .hero-decoration {
        width: 200px;
        height: 200px;
    }
    
    .hero-decoration i {
        font-size: 5rem;
    }
    
    .mission-list {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
}

/* スマートフォン */
@media (max-width: 768px) {
    html {
        font-size: 14px;
    }
    
    .container {
        padding: 0 1rem;
    }
    
    .nav-container {
        padding: 1rem;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        flex-direction: column;
        background-color: var(--white);
        padding: 2rem;
        box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
        transition: var(--transition);
        gap: 1rem;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .hero-main {
        font-size: 2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .values-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .scroll-top {
        bottom: 1rem;
        right: 1rem;
        width: 45px;
        height: 45px;
    }
}

@media (max-width: 480px) {
    .hero-main {
        font-size: 1.5rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .btn {
        padding: 0.8rem 2rem;
        font-size: 0.9rem;
    }
}