/* ========================================
   CSS Variables
======================================== */
:root {
    --primary-color: #0A123C;
    --primary-light: #1a2a5c;
    --primary-dark: #060b24;
    --accent-gray: #666666;
    --light-gray: #f8f8f8;
    --border-color: #e0e0e0;
}

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

body {
    font-family: 'Noto Sans JP', sans-serif;
    color: var(--primary-color);
    line-height: 1.8;
    background-color: #fff;
}

/* ========================================
   ヘッダー
======================================== */
.site-header {
    padding: 20px 0;
    border-bottom: 1px solid var(--border-color);
    background: #fff;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.logo {
    font-family: 'Montserrat', sans-serif;
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
    letter-spacing: 1px;
}

.logo-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary-color) 50%, var(--primary-dark) 100%);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 6px;
}

.logo-icon img {
    width: 100%;
    height: 100%;
}

.header-logo-img {
    height: 36px;
    width: auto;
    display: block;
}

.footer-logo-img {
    height: 28px;
    width: auto;
    display: block;
}

.nav-main {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-main a {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: opacity 0.3s;
}

.nav-main a:hover {
    opacity: 0.6;
}

.btn-primary-custom {
    border: none;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary-color) 50%, var(--primary-dark) 100%);
    color: #fff;
    padding: 10px 24px;
    font-size: 14px;
    font-weight: 500;
    border-radius: 0;
    transition: all 0.3s;
    background-size: 150% 150%;
    background-position: 0% 50%;
    text-decoration: none;
}

.btn-primary-custom:hover {
    background-position: 100% 50%;
    color: #fff;
    box-shadow: 0 4px 15px rgba(10, 18, 60, 0.3);
}

/* ========================================
   パンくずリスト
======================================== */
.breadcrumb-section {
    padding: 16px 0;
    background: var(--light-gray);
    border-bottom: 1px solid var(--border-color);
}

.breadcrumb {
    margin: 0;
    padding: 0;
    background: transparent;
}

.breadcrumb-item {
    font-size: 12px;
}

.breadcrumb-item a {
    color: var(--accent-gray);
    text-decoration: none;
}

.breadcrumb-item a:hover {
    color: var(--primary-color);
}

.breadcrumb-item.active {
    color: var(--primary-color);
}

/* ========================================
   ページヒーロー
======================================== */
.page-hero {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    color: #fff;
    position: relative;
    overflow: hidden;
}

.page-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.05) 0%, transparent 70%);
    pointer-events: none;
}

.page-hero-label {
    font-family: 'Montserrat', sans-serif;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 16px;
}

.page-hero-title {
    font-size: clamp(36px, 5vw, 52px);
    font-weight: 900;
    margin-bottom: 24px;
    line-height: 1.2;
}

.page-hero-description {
    font-size: 16px;
    line-height: 2;
    color: rgba(255, 255, 255, 0.9);
    max-width: 700px;
}

/* ========================================
   セクションタイトル
======================================== */
.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title-en {
    font-family: 'Montserrat', sans-serif;
    font-size: 12px;
    font-weight: 600;
    color: var(--accent-gray);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 8px;
}

.section-title-ja {
    font-size: clamp(28px, 3vw, 36px);
    font-weight: 900;
    color: var(--primary-color);
}

.section-title-ja em {
    font-style: normal;
    background: linear-gradient(transparent 60%, rgba(10, 18, 60, 0.1) 60%);
}

/* ========================================
   共通CTAセクション
======================================== */
.cta-section {
    padding: 100px 0;
}

.cta-section.cta-section-dark {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
}

.cta-box {
    text-align: center;
    color: #fff;
}

.cta-title {
    font-size: clamp(24px, 3vw, 36px);
    font-weight: 900;
    margin-bottom: 20px;
    line-height: 1.4;
}

.cta-text {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 40px;
    line-height: 1.8;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-btn {
    display: inline-block;
    padding: 16px 40px;
    border-radius: 4px;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s;
}

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

.cta-btn-white:hover {
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
}

.cta-btn-dark {
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary-color) 100%);
    color: #fff;
}

.cta-btn-dark:hover {
    box-shadow: 0 8px 30px rgba(10, 18, 60, 0.3);
}

.cta-btn-outline {
    background: transparent;
    color: #fff;
    border: 1px solid rgba(255,255,255,0.5);
}

.cta-btn-outline:hover {
    background: rgba(255,255,255,0.1);
    border-color: #fff;
    color: #fff;
}

/* ========================================
   共通ボタン
======================================== */
.btn-more {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: var(--primary-color);
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    transition: gap 0.3s;
}

.btn-more:hover {
    gap: 16px;
}

.btn-more-arrow {
    width: 48px;
    height: 48px;
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
    padding: 12px;
}

.btn-more-arrow img {
    width: 100%;
    height: 100%;
}

.btn-more:hover .btn-more-arrow {
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary-color) 100%);
    border-color: transparent;
}

.btn-more:hover .btn-more-arrow img {
    filter: brightness(0) invert(1);
}

/* ========================================
   共通カードスタイル（支援事例カード）
======================================== */
/* ========================================
   フッター
======================================== */
.site-footer {
    background: var(--primary-color);
    color: #fff;
    padding: 80px 0 40px;
}

.footer-main {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 80px;
    margin-bottom: 60px;
}

.footer-logo {
    font-family: 'Montserrat', sans-serif;
    font-size: 24px;
    font-weight: 700;
    color: #fff;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 24px;
}

.footer-logo .logo-icon {
    background: rgba(255, 255, 255, 0.1);
}

.footer-company-name {
    font-size: 14px;
    margin-bottom: 8px;
}

.footer-address {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.8;
}

.footer-nav {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

.footer-nav-title {
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 20px;
}

.footer-nav-list {
    list-style: none;
}

.footer-nav-list li {
    margin-bottom: 12px;
}

.footer-nav-list a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: 13px;
    transition: color 0.3s;
}

.footer-nav-list a:hover {
    color: #fff;
}

.footer-bottom {
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-copyright {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.5);
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.5);
    text-decoration: none;
    font-size: 12px;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: #fff;
}

/* ========================================
   共通レスポンシブ
======================================== */
@media (max-width: 991px) {
    .nav-main {
        display: none;
    }

    .footer-main {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer-nav {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 767px) {
    .btn-primary-custom {
        padding: 8px 16px;
        font-size: 12px;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .footer-nav {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
}