/*
Theme Name: RMC Business Lab Theme
Theme URI: https://rmcbl.net
Author: Manus
Description: 中小企業診断士向けの知性と信頼を重視したビジネス用テーマ。
Version: 1.0.1
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: rmc-business-lab
*/

:root {
    --primary-color: #002D62;
    --secondary-color: #0056B3;
    --accent-color: #007BFF;
    --text-color: #333333;
    --light-bg: #F8F9FA;
    --white: #FFFFFF;
    --font-main: 'Noto Sans JP', sans-serif;
}

body {
    font-family: var(--font-main);
    color: var(--text-color);
    line-height: 1.8;
    margin: 0;
    padding: 0;
}

a {
    color: var(--secondary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

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

/* Header */
header {
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.logo {
    padding: 10px 0;
}

.logo a {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    white-space: nowrap;
}

nav {
    margin-left: auto;
}

nav ul {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    flex-wrap: wrap;
    justify-content: flex-end;
}

nav ul li {
    margin-left: 20px;
}

nav ul li a {
    font-weight: 500;
    color: var(--text-color);
    font-size: 15px;
    white-space: nowrap;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .header-inner {
        flex-direction: column;
        text-align: center;
    }

    nav {
        margin-left: 0;
        width: 100%;
        margin-top: 10px;
    }

    nav ul {
        justify-content: center;
    }

    nav ul li {
        margin: 5px 10px;
    }

    .hero h1 {
        font-size: 28px;
    }

    .hero p {
        font-size: 16px;
    }
}

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

.hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
}

.hero p {
    font-size: 20px;
    margin-bottom: 40px;
    opacity: 0.9;
}

.btn-cta {
    background: var(--white);
    color: var(--primary-color);
    padding: 15px 40px;
    border-radius: 5px;
    font-weight: 700;
    display: inline-block;
}

/* Sections */
section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
}

.section-title h2 {
    font-size: 32px;
    color: var(--primary-color);
    position: relative;
    display: inline-block;
    padding-bottom: 10px;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background: var(--secondary-color);
}

/* Footer */
footer {
    background: var(--primary-color);
    color: var(--white);
    padding: 60px 0 20px;
}

.footer-bottom {
    text-align: center;
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
    font-size: 14px;
}