/*
Theme Name: Bestimulate
Theme URI: https://bestimulate.co.jp
Author: Bestimulate Inc.
Author URI: https://bestimulate.co.jp
Description: 株式会社Bestimulateの公式WordPressテーマ - 営業代行、コミュニティ運営、経営コンサルティング
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: bestimulate
Tags: corporate, business, consulting, one-column, custom-menu, featured-images
*/

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

:root {
    --primary-color: #1a365d;
    --secondary-color: #2c5282;
    --accent-color: #ed8936;
    --text-color: #2d3748;
    --text-light: #718096;
    --bg-light: #f7fafc;
    --bg-white: #ffffff;
    --border-color: #e2e8f0;
    --transition: all 0.3s ease;
}

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

body {
    font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
    color: var(--text-color);
    line-height: 1.8;
    background-color: var(--bg-white);
}

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

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

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

ul, ol {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.site-header {
    background-color: var(--bg-white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.site-logo a {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: 0.05em;
}

.main-navigation ul {
    display: flex;
    gap: 30px;
}

.main-navigation a {
    color: var(--text-color);
    font-weight: 500;
    padding: 10px 0;
    position: relative;
}

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

.main-navigation a:hover::after {
    width: 100%;
}

/* Mobile Menu */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
}

.menu-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background-color: var(--primary-color);
    margin: 5px 0;
    transition: var(--transition);
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }

    .main-navigation {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--bg-white);
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
        display: none;
    }

    .main-navigation.active {
        display: block;
    }

    .main-navigation ul {
        flex-direction: column;
        gap: 0;
        padding: 20px;
    }

    .main-navigation a {
        display: block;
        padding: 15px 0;
        border-bottom: 1px solid var(--border-color);
    }
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--bg-white);
    padding: 180px 0 120px;
    text-align: center;
    margin-top: 70px;
}

.hero-section h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    line-height: 1.4;
}

.hero-section p {
    font-size: 1.1rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto 30px;
}

.hero-cta {
    display: inline-block;
    background-color: var(--accent-color);
    color: var(--bg-white);
    padding: 15px 40px;
    border-radius: 50px;
    font-weight: 600;
    transition: var(--transition);
}

.hero-cta:hover {
    background-color: #dd6b20;
    color: var(--bg-white);
    transform: translateY(-2px);
}

/* Sections */
.section {
    padding: 100px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.section-title p {
    color: var(--text-light);
}

/* Services */
.services-section {
    background-color: var(--bg-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

@media (max-width: 992px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .services-grid {
        grid-template-columns: 1fr;
    }
}

.service-card {
    background-color: var(--bg-white);
    padding: 40px 30px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    text-align: center;
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
}

.service-icon svg {
    width: 40px;
    height: 40px;
    fill: var(--bg-white);
}

.service-card h3 {
    font-size: 1.25rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.service-card p {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* About Section */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

@media (max-width: 768px) {
    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

.about-text h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.about-text p {
    margin-bottom: 20px;
    color: var(--text-light);
}

.about-image {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: 10px;
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-white);
    font-size: 1.2rem;
    overflow: hidden;
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 10px;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--bg-white);
    text-align: center;
    padding: 80px 0;
}

.cta-section h2 {
    font-size: 2rem;
    margin-bottom: 15px;
}

.cta-section p {
    opacity: 0.9;
    margin-bottom: 30px;
}

.cta-button {
    display: inline-block;
    background-color: var(--bg-white);
    color: var(--primary-color);
    padding: 15px 40px;
    border-radius: 50px;
    font-weight: 600;
    transition: var(--transition);
}

.cta-button:hover {
    background-color: var(--accent-color);
    color: var(--bg-white);
}

/* Footer */
.site-footer {
    background-color: var(--primary-color);
    color: var(--bg-white);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

@media (max-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

.footer-info h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.footer-info p {
    opacity: 0.8;
    font-size: 0.9rem;
}

.footer-links h4,
.footer-contact h4 {
    font-size: 1.1rem;
    margin-bottom: 20px;
}

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

.footer-links a {
    color: var(--bg-white);
    opacity: 0.8;
}

.footer-links a:hover {
    opacity: 1;
    color: var(--accent-color);
}

.footer-contact p {
    opacity: 0.8;
    font-size: 0.9rem;
    margin-bottom: 10px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    text-align: center;
    font-size: 0.85rem;
    opacity: 0.7;
}

/* Page Header */
.page-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--bg-white);
    padding: 140px 0 60px;
    text-align: center;
    margin-top: 70px;
}

.page-header h1 {
    font-size: 2rem;
}

/* Content */
.main-content {
    padding: 80px 0;
}

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

.entry-content h2 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin: 40px 0 20px;
}

.entry-content h3 {
    font-size: 1.25rem;
    color: var(--primary-color);
    margin: 30px 0 15px;
}

.entry-content p {
    margin-bottom: 20px;
}

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

.entry-content ul {
    list-style: disc;
}

.entry-content ol {
    list-style: decimal;
}

.entry-content li {
    margin-bottom: 10px;
}

/* News / Blog */
.news-list {
    max-width: 800px;
    margin: 0 auto;
}

.news-item {
    border-bottom: 1px solid var(--border-color);
    padding: 30px 0;
}

.news-item:last-child {
    border-bottom: none;
}

.news-date {
    font-size: 0.85rem;
    color: var(--text-light);
    margin-bottom: 10px;
}

.news-item h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
}

.news-item h3 a {
    color: var(--primary-color);
}

.news-item h3 a:hover {
    color: var(--accent-color);
}

.news-excerpt {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* Contact Form */
.contact-form {
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

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

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

.submit-button {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--bg-white);
    border: none;
    padding: 15px 40px;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.submit-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(26, 54, 93, 0.3);
}

/* Utilities */
.text-center {
    text-align: center;
}

.mt-4 {
    margin-top: 2rem;
}

.mb-4 {
    margin-bottom: 2rem;
}