/*
Theme Name: CleanHorizon
Theme URI: https://cleanhorizon.org
Author: CleanHorizon Team
Author URI: https://cleanhorizon.org
Description: 薬物依存症からの回復を目指す人々のための安全なオンラインコミュニティ「CleanHorizon」専用WordPressテーマ。落ち着きと希望を両立したデザインで、会員制オンラインダルクサイトを構築できます。
Version: 1.0.1
Requires at least: 6.0
Tested up to: 6.4
Requires PHP: 8.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: cleanhorizon
Tags: one-column, two-columns, custom-colors, custom-menu, custom-logo, featured-images, footer-widgets, theme-options, translation-ready, accessibility-ready
*/

/* ===================================
   CSS Variables (カスタムプロパティ)
   =================================== */
:root {
    /* Primary Colors */
    --ch-primary: #1A535C;
    --ch-primary-light: #2a6b76;
    --ch-primary-dark: #123d44;
    
    /* Secondary Colors */
    --ch-secondary: #4E937A;
    --ch-secondary-light: #6aab94;
    --ch-secondary-dark: #3a7a62;
    
    /* Accent Colors */
    --ch-accent: #E07A5F;
    --ch-accent-light: #e99680;
    --ch-accent-dark: #c9614a;
    
    /* Background Colors */
    --ch-bg-light: #F4F1DE;
    --ch-bg-dark: #3D405B;
    --ch-bg-white: #FFFFFF;
    --ch-bg-cream: #FAF9F5;
    
    /* Text Colors */
    --ch-text-dark: #2D3436;
    --ch-text-medium: #636E72;
    --ch-text-light: #B2BEC3;
    --ch-text-white: #FFFFFF;
    
    /* Status Colors */
    --ch-success: #00B894;
    --ch-warning: #FDCB6E;
    --ch-danger: #E17055;
    --ch-info: #74B9FF;
    
    /* Spacing */
    --ch-spacing-xs: 0.25rem;
    --ch-spacing-sm: 0.5rem;
    --ch-spacing-md: 1rem;
    --ch-spacing-lg: 1.5rem;
    --ch-spacing-xl: 2rem;
    --ch-spacing-xxl: 3rem;
    
    /* Border Radius */
    --ch-radius-sm: 4px;
    --ch-radius-md: 8px;
    --ch-radius-lg: 16px;
    --ch-radius-xl: 24px;
    --ch-radius-full: 9999px;
    
    /* Shadows */
    --ch-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --ch-shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --ch-shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
    --ch-shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.15);
    
    /* Typography */
    --ch-font-primary: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', 'メイリオ', sans-serif;
    --ch-font-heading: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', 'メイリオ', sans-serif;
    
    /* Transitions */
    --ch-transition-fast: 0.15s ease;
    --ch-transition-normal: 0.3s ease;
    --ch-transition-slow: 0.5s ease;
}

/* ===================================
   Reset & Base Styles
   =================================== */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    padding: 0;
    font-family: var(--ch-font-primary);
    font-size: 1rem;
    line-height: 1.8;
    color: var(--ch-text-dark);
    background-color: var(--ch-bg-cream);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ===================================
   Typography
   =================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--ch-font-heading);
    font-weight: 700;
    line-height: 1.4;
    margin-top: 0;
    margin-bottom: var(--ch-spacing-md);
    color: var(--ch-text-dark);
}

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-top: 0;
    margin-bottom: var(--ch-spacing-md);
}

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

a:hover,
a:focus {
    color: var(--ch-secondary);
    text-decoration: underline;
}

/* ===================================
   Layout
   =================================== */
.container {
    width: 100%;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--ch-spacing-lg);
    padding-right: var(--ch-spacing-lg);
}

.container-narrow {
    max-width: 800px;
}

.container-wide {
    max-width: 1400px;
}

/* ===================================
   Header
   =================================== */
.site-header {
    background-color: var(--ch-bg-white);
    box-shadow: var(--ch-shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--ch-spacing-md) 0;
}

.site-branding {
    display: flex;
    align-items: center;
    gap: var(--ch-spacing-md);
}

.site-logo img {
    max-height: 50px;
    width: auto;
}

.site-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
    color: var(--ch-primary);
}

.site-title a {
    color: inherit;
    text-decoration: none;
}

.site-title a:hover {
    color: var(--ch-secondary);
}

.site-description {
    font-size: 0.875rem;
    color: var(--ch-text-medium);
    margin: 0;
}

/* ===================================
   Navigation
   =================================== */
.main-navigation {
    display: flex;
    align-items: center;
}

.nav-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: var(--ch-spacing-sm);
}

.nav-menu li {
    position: relative;
}

.nav-menu a {
    display: block;
    padding: var(--ch-spacing-sm) var(--ch-spacing-md);
    color: var(--ch-text-dark);
    font-weight: 500;
    border-radius: var(--ch-radius-md);
    transition: all var(--ch-transition-fast);
}

.nav-menu a:hover,
.nav-menu .current-menu-item a {
    background-color: var(--ch-primary);
    color: var(--ch-text-white);
    text-decoration: none;
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    padding: var(--ch-spacing-sm);
    cursor: pointer;
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 3px;
    background-color: var(--ch-primary);
    margin: 5px 0;
    border-radius: 2px;
    transition: var(--ch-transition-fast);
}

/* ===================================
   Hero Section
   =================================== */
.hero-section {
    background: linear-gradient(135deg, var(--ch-primary) 0%, var(--ch-secondary) 100%);
    color: var(--ch-text-white);
    padding: var(--ch-spacing-xxl) 0;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 3rem;
    color: var(--ch-text-white);
    margin-bottom: var(--ch-spacing-lg);
}

.hero-subtitle {
    font-size: 1.25rem;
    opacity: 0.9;
    margin-bottom: var(--ch-spacing-xl);
}

.hero-cta {
    display: flex;
    gap: var(--ch-spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* ===================================
   Buttons
   =================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--ch-spacing-md) var(--ch-spacing-xl);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border: 2px solid transparent;
    border-radius: var(--ch-radius-md);
    cursor: pointer;
    transition: all var(--ch-transition-fast);
    gap: var(--ch-spacing-sm);
}

.btn-primary {
    background-color: var(--ch-accent);
    color: var(--ch-text-white);
    border-color: var(--ch-accent);
}

.btn-primary:hover {
    background-color: var(--ch-accent-dark);
    border-color: var(--ch-accent-dark);
    color: var(--ch-text-white);
    text-decoration: none;
}

.btn-secondary {
    background-color: transparent;
    color: var(--ch-text-white);
    border-color: var(--ch-text-white);
}

.btn-secondary:hover {
    background-color: var(--ch-text-white);
    color: var(--ch-primary);
    text-decoration: none;
}

.btn-outline {
    background-color: transparent;
    color: var(--ch-primary);
    border-color: var(--ch-primary);
}

.btn-outline:hover {
    background-color: var(--ch-primary);
    color: var(--ch-text-white);
    text-decoration: none;
}

.btn-sm {
    padding: var(--ch-spacing-sm) var(--ch-spacing-md);
    font-size: 0.875rem;
}

.btn-lg {
    padding: var(--ch-spacing-lg) var(--ch-spacing-xxl);
    font-size: 1.125rem;
}

/* ===================================
   Cards
   =================================== */
.card {
    background-color: var(--ch-bg-white);
    border-radius: var(--ch-radius-lg);
    box-shadow: var(--ch-shadow-md);
    overflow: hidden;
    transition: transform var(--ch-transition-normal), box-shadow var(--ch-transition-normal);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--ch-shadow-lg);
}

.card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.card-body {
    padding: var(--ch-spacing-lg);
}

.card-title {
    font-size: 1.25rem;
    margin-bottom: var(--ch-spacing-sm);
}

.card-text {
    color: var(--ch-text-medium);
    margin-bottom: var(--ch-spacing-md);
}

/* ===================================
   Features Section
   =================================== */
.features-section {
    padding: var(--ch-spacing-xxl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--ch-spacing-xxl);
}

.section-title {
    color: var(--ch-primary);
    margin-bottom: var(--ch-spacing-md);
}

.section-subtitle {
    color: var(--ch-text-medium);
    font-size: 1.125rem;
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--ch-spacing-xl);
}

.feature-card {
    text-align: center;
    padding: var(--ch-spacing-xl);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--ch-spacing-lg);
    background: linear-gradient(135deg, var(--ch-primary) 0%, var(--ch-secondary) 100%);
    border-radius: var(--ch-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--ch-text-white);
    font-size: 2rem;
}

.feature-title {
    font-size: 1.25rem;
    margin-bottom: var(--ch-spacing-sm);
}

.feature-description {
    color: var(--ch-text-medium);
}

/* ===================================
   Clean Counter (断薬カウンター)
   =================================== */
.clean-counter {
    background: linear-gradient(135deg, var(--ch-primary) 0%, var(--ch-secondary) 100%);
    color: var(--ch-text-white);
    padding: var(--ch-spacing-xl);
    border-radius: var(--ch-radius-lg);
    text-align: center;
    margin-bottom: var(--ch-spacing-xl);
}

.clean-counter-days {
    font-size: 4rem;
    font-weight: 700;
    line-height: 1;
    margin-bottom: var(--ch-spacing-sm);
}

.clean-counter-label {
    font-size: 1.25rem;
    opacity: 0.9;
}

.clean-counter-message {
    margin-top: var(--ch-spacing-md);
    font-size: 1.125rem;
    opacity: 0.9;
}

/* ===================================
   Footer
   =================================== */
.site-footer {
    background-color: var(--ch-bg-dark);
    color: var(--ch-text-white);
    padding: var(--ch-spacing-xxl) 0 var(--ch-spacing-lg);
    margin-top: var(--ch-spacing-xxl);
}

.footer-widgets {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--ch-spacing-xl);
    margin-bottom: var(--ch-spacing-xl);
}

.footer-widget-title {
    color: var(--ch-text-white);
    font-size: 1.125rem;
    margin-bottom: var(--ch-spacing-md);
}

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

.footer-widget li {
    margin-bottom: var(--ch-spacing-sm);
}

.footer-widget a {
    color: rgba(255, 255, 255, 0.8);
    transition: color var(--ch-transition-fast);
}

.footer-widget a:hover {
    color: var(--ch-text-white);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--ch-spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-copyright {
    font-size: 0.875rem;
    opacity: 0.8;
}

/* ===================================
   Responsive Styles
   =================================== */
@media screen and (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    
    .main-navigation {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--ch-bg-white);
        box-shadow: var(--ch-shadow-md);
        display: none;
        padding: var(--ch-spacing-md);
    }
    
    .main-navigation.active {
        display: block;
    }
    
    .nav-menu {
        flex-direction: column;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-widgets {
        grid-template-columns: 1fr;
    }
    
    .clean-counter-days {
        font-size: 3rem;
    }
}

/* ===================================
   Accessibility
   =================================== */
.screen-reader-text {
    border: 0;
    clip: rect(1px, 1px, 1px, 1px);
    clip-path: inset(50%);
    height: 1px;
    margin: -1px;
    overflow: hidden;
    padding: 0;
    position: absolute;
    width: 1px;
    word-wrap: normal !important;
}

:focus {
    outline: 2px solid var(--ch-primary);
    outline-offset: 2px;
}

.skip-link {
    position: absolute;
    top: -100%;
    left: 0;
    background: var(--ch-primary);
    color: var(--ch-text-white);
    padding: var(--ch-spacing-md);
    z-index: 9999;
}

.skip-link:focus {
    top: 0;
}

/* ===================================
   WordPress Core Styles
   =================================== */
.alignleft {
    float: left;
    margin-right: var(--ch-spacing-lg);
}

.alignright {
    float: right;
    margin-left: var(--ch-spacing-lg);
}

.aligncenter {
    display: block;
    margin-left: auto;
    margin-right: auto;
}

@media print {
    .site-header,
    .site-footer,
    .main-navigation,
    .btn,
    .no-print {
        display: none !important;
    }
    
    body {
        background: white;
        color: black;
        font-size: 12pt;
    }
}