/*
Theme Name: Jusei - さいたま柔整専門学校
Description: 日本の柔道整復師専門学校向けのモダンなWordPressテーマ。視差効果、動的コンテンツ、スマホファーストデザインを採用。
Version: 1.0.0
Author: Jusei Theme Developer
Text Domain: jusei
*/

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #1e3a8a;
    --secondary-color: #3b82f6;
    --accent-color: #f59e0b;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --white: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --border-radius: 8px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', 'Yu Gothic', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: 1rem;
    color: var(--text-light);
}

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

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

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Header */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

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

/* Navigation */
.nav-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 2rem;
}

.nav-menu a {
    color: var(--text-dark);
    font-weight: 500;
    padding: 0.5rem 0;
    position: relative;
}

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

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

/* Floating Navigation */
.floating-nav {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 1001;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.nav-item {
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    background: var(--primary-color);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
}

.nav-item:hover {
    background: var(--secondary-color);
    transform: scale(1.1);
}

.nav-item i {
    font-size: 1.2rem;
}

/* Hero Section */
.hero-section {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.hero-content {
    text-align: center;
    z-index: 2;
    position: relative;
}

.hero-title {
    font-size: 3rem;
    margin-bottom: 1rem;
    animation: fadeInUp 1s ease-out;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    animation: fadeInUp 1s ease-out 0.2s both;
}

.hero-cta {
    display: inline-block;
    padding: 1rem 2rem;
    background: var(--accent-color);
    color: var(--white);
    border-radius: var(--border-radius);
    font-weight: 600;
    transition: var(--transition);
    animation: fadeInUp 1s ease-out 0.4s both;
}

.hero-cta:hover {
    background: #d97706;
    transform: translateY(-2px);
}

/* Parallax Background */
.parallax-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    transform: translateZ(-1px) scale(2);
    z-index: 1;
}

/* Sections */
.section {
    padding: 5rem 0;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--accent-color);
}

/* Cards */
.card {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    margin-bottom: 2rem;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

/* Grid Layout */
.grid {
    display: grid;
    gap: 2rem;
}

.grid-2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

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

.btn-primary:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
}

.btn-secondary {
    background: var(--gray-100);
    color: var(--text-dark);
}

.btn-secondary:hover {
    background: var(--gray-200);
}

/* Content Layout */
.content-wrapper {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    margin-top: 2rem;
}

.main-content {
    min-height: 500px;
}

/* Sidebar */
.sidebar {
    position: sticky;
    top: 100px;
    height: fit-content;
}

.widget-area {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.widget {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
}

.widget-title {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
    border-bottom: 2px solid var(--accent-color);
    padding-bottom: 0.5rem;
}

/* Single Post/Page */
.single-post, .page-content {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow-sm);
}

.entry-header {
    margin-bottom: 2rem;
}

.entry-title {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.post-meta, .entry-meta {
    display: flex;
    gap: 1rem;
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.post-thumbnail, .page-thumbnail {
    margin-bottom: 2rem;
    border-radius: var(--border-radius);
    overflow: hidden;
}

.entry-content {
    line-height: 1.8;
}

.entry-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    margin: 1rem 0;
}

.entry-footer {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--gray-200);
}

.post-tags {
    margin-bottom: 1rem;
}

.post-tags a {
    display: inline-block;
    background: var(--gray-100);
    color: var(--text-dark);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    margin-right: 0.5rem;
    margin-bottom: 0.5rem;
}

.post-navigation {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.nav-previous, .nav-next {
    background: var(--gray-50);
    padding: 1rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.nav-previous:hover, .nav-next:hover {
    background: var(--gray-100);
}

.nav-next {
    text-align: right;
}

.nav-title {
    display: block;
    font-weight: 600;
    margin: 0.5rem 0;
}

/* Search Results */
.search-results {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.search-result-item {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.search-result-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.search-result-item .entry-title {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.read-more {
    color: var(--accent-color);
    font-weight: 600;
}

.read-more:hover {
    color: var(--primary-color);
}

/* No Results */
.no-results {
    text-align: center;
    padding: 4rem 0;
}

.no-results-content {
    max-width: 600px;
    margin: 0 auto;
}

.search-suggestions {
    margin: 2rem 0;
    text-align: left;
}

.search-suggestions ul {
    list-style: none;
    padding: 0;
}

.search-suggestions li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--gray-200);
}

.search-suggestions li:last-child {
    border-bottom: none;
}

.search-again {
    margin-top: 2rem;
}

/* 404 Error */
.error-404 {
    text-align: center;
    padding: 4rem 0;
}

.error-content {
    max-width: 600px;
    margin: 0 auto;
}

.error-icon {
    font-size: 6rem;
    color: var(--accent-color);
    margin-bottom: 2rem;
}

.error-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin: 2rem 0;
    flex-wrap: wrap;
}

.search-section {
    margin: 2rem 0;
    text-align: left;
}

.popular-pages {
    margin: 2rem 0;
    text-align: left;
}

.popular-pages ul {
    list-style: none;
    padding: 0;
}

.popular-pages li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--gray-200);
}

.popular-pages li:last-child {
    border-bottom: none;
}

/* Search Form */
.search-form {
    margin: 1rem 0;
}

.search-wrapper {
    display: flex;
    border: 2px solid var(--gray-200);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition);
}

.search-wrapper:focus-within {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.1);
}

.search-field {
    flex: 1;
    padding: 0.75rem 1rem;
    border: none;
    outline: none;
    font-size: 1rem;
}

.search-submit {
    background: var(--primary-color);
    color: var(--white);
    border: none;
    padding: 0.75rem 1rem;
    cursor: pointer;
    transition: var(--transition);
}

.search-submit:hover {
    background: var(--secondary-color);
}

/* Contact Info */
.contact-info p {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.contact-info i {
    color: var(--accent-color);
    width: 20px;
}

/* Recent Posts */
.recent-posts {
    list-style: none;
    padding: 0;
}

.recent-posts li {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--gray-200);
}

.recent-posts li:last-child {
    border-bottom: none;
}

.recent-posts a {
    display: block;
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.post-date {
    font-size: 0.8rem;
    color: var(--text-light);
}

/* Pagination */
.navigation.pagination {
    margin: 3rem 0;
    text-align: center;
}

.nav-links {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.page-numbers {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius);
    color: var(--text-dark);
    text-decoration: none;
    transition: var(--transition);
}

.page-numbers:hover,
.page-numbers.current {
    background: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
}

/* Footer */
.site-footer {
    background: var(--text-dark);
    color: var(--white);
    padding: 3rem 0 1rem;
    margin-top: 4rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-info h3 {
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.footer-links h4,
.footer-social h4 {
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--gray-200);
    color: var(--text-dark);
    border-radius: 50%;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--accent-color);
    color: var(--white);
    transform: translateY(-2px);
}

.footer-bottom {
    border-top: 1px solid var(--gray-200);
    padding-top: 1rem;
    text-align: center;
    font-size: 0.9rem;
    color: var(--text-light);
}

.footer-bottom a {
    color: var(--text-light);
}

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

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Scroll Animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .section {
        padding: 3rem 0;
    }
    
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
    
    .floating-nav {
        bottom: 1rem;
        right: 1rem;
    }
    
    .nav-item {
        width: 2.5rem;
        height: 2.5rem;
    }
    
    .content-wrapper {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .sidebar {
        position: static;
    }
    
    .nav-menu {
        display: none;
    }
    
    .header-actions {
        display: none;
    }
    
    .post-navigation {
        grid-template-columns: 1fr;
    }
    
    .error-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.hidden { display: none; }
.visible { display: block; }
.img-fluid { max-width: 100%; height: auto; }
.screen-reader-text { clip: rect(1px, 1px, 1px, 1px); position: absolute !important; height: 1px; width: 1px; overflow: hidden; }