/*
Theme Name: Doup Theme
Theme URI: https://doup.one
Author: Doup Team
Author URI: https://doup.one
Description: doup - 時間を可視化し、生産性を最大化するタイムトラッキングアプリのWordPressテーマ
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: doup-theme
Tags: custom, responsive, modern, landing-page
*/

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

:root {
    --primary: #2563EB;
    --primary-light: #EFF6FF;
    --primary-dark: #1E40AF;
    --secondary: #F5F5F5;
    --success: #10B981;
    --warning: #F59E0B;
    --gray: #6B7280;
    --gray-light: #F9FAFB;
    --gray-dark: #1F2937;
    --text: #111827;
    --white: #FFFFFF;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: "DM Sans", "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.4;
    color: var(--text);
    background-color: var(--white);
    overflow-x: hidden;
    width: 100%;
}

a {
    color: inherit;
    text-decoration: none;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 16px;
}

@media (min-width: 640px) {
    .container {
        padding: 0 32px;
    }
}

/* Skip Link */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--primary);
    color: var(--white);
    padding: 8px 16px;
    z-index: 9999;
}

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

/* Focus States for Accessibility */
a:focus,
button:focus {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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