@charset "UTF-8";
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;700&display=swap');
@import url('https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.2/css/all.min.css');
/* =========================================
   変数定義 (カラー設定)
   ここを変えるだけでサイト全体の色が変わります
   ========================================= */
:root {
    --color-main: #4B0082;       /* ロゴ、アクセント色（紫） */
    --color-accent: #667eea;     /* リンク、強調色（青紫） */
    --color-accent-hover: #5a6fd8;
    --color-text: #333333;       /* 基本テキスト */
    --color-bg: #f8f9fa;         /* 背景色 */
    --color-white: #ffffff;
    --header-height: 85px;       /* ヘッダーの高さ目安 */
}

/* =========================================
   基本設定・共通パーツ
   ========================================= */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
    font-family: 'Noto Sans JP', "Helvetica Neue", Arial, sans-serif;
    line-height: 1.7;
    background-color: var(--color-bg);
    color: var(--color-text);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    padding-top: var(--header-height); /* 固定ヘッダー分の余白 */
    overflow-x: hidden;
    width: 100%;
}

a { text-decoration: none; color: inherit; transition: all 0.3s ease; }
ul { list-style: none; }

/* =========================================
   ヘッダー（PC・共通）
   ========================================= */
.site-header { width: 100%; background-color: var(--color-white); border-bottom: 1px solid #ddd; padding: 18px 0; position: fixed; top: 0; left: 0; z-index: 1000; }
.header-inner { max-width: 1400px; margin: 0 auto; padding: 0 20px; display: flex; justify-content: space-between; align-items: center; }
.header-logo a { color: var(--color-main); display: flex; flex-direction: column; line-height: 1.2; }
.logo-main { font-size: 30px; font-weight: bold; margin: 2px 0; }
.logo-sub { font-size: 10px; font-weight: bold; text-transform: uppercase; letter-spacing: 0.5px; }
.pc-menu-area { display: flex; align-items: center; gap: 20px; flex: 1; margin-left: 40px; }
.header-nav { flex: 1; }
.header-nav ul { display: flex; gap: 25px; justify-content: flex-start; }
.header-nav a { color: var(--color-text); font-size: 15px; font-weight: bold; }
.header-nav a:hover { color: var(--color-main); }
.header-actions { display: flex; align-items: center; gap: 15px; }
.contact-info { display: flex; flex-direction: column; align-items: flex-end; gap: 5px; }
.contact-btn { background-color: var(--color-main); color: var(--color-white); padding: 8px 30px; border-radius: 50px; font-size: 15px; font-weight: bold; display: flex; align-items: center; gap: 8px; }
.contact-btn:hover { background-color: #6a0dad; transform: translateY(-2px); }
.tel-number { font-size: 20px; font-weight: bold; color: #000; line-height: 1; }
.tel-label { color: var(--color-main); font-size: 14px; margin-right: 15px; }

/* =========================================
   ハンバーガーメニュー (スマホ用)
   ========================================= */
.hamburger-btn { display: none; background: none; border: none; font-size: 24px; color: var(--color-main); cursor: pointer; z-index: 101; }
@media screen and (max-width: 900px) {
    .pc-menu-area { display: none; }
    .hamburger-btn { display: block; }
}

.mobile-menu-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100vh; background-color: #3448ba; z-index: 2000; display: flex; flex-direction: column; align-items: center; justify-content: center; opacity: 0; visibility: hidden; transition: opacity 0.3s, visibility 0.3s; }
.mobile-menu-overlay.active { opacity: 1; visibility: visible; }
.close-btn { position: absolute; top: 20px; right: 20px; background: none; border: none; color: var(--color-white); font-size: 40px; cursor: pointer; padding: 10px; }
.mobile-menu-content { width: 100%; max-width: 400px; text-align: center; color: var(--color-white); padding: 20px; }
.mobile-nav-list { margin: 0 0 40px 0; }
.mobile-nav-list li { margin-bottom: 20px; }
.mobile-nav-list a { color: var(--color-white); font-size: 18px; font-weight: bold; display: block; }
.mobile-nav-list a:hover { opacity: 0.7; }
.mobile-contact-area { margin-bottom: 10px; display: flex; flex-direction: column; align-items: center; gap: 20px; }
.mobile-contact-btn { display: flex; justify-content: center; align-items: center; gap: 10px; width: 100%; max-width: 300px; padding: 15px; background-color: rgba(255, 255, 255, 0.2); border: 1px solid rgba(255, 255, 255, 0.4); border-radius: 50px; color: var(--color-white); font-weight: bold; font-size: 16px; }
.mobile-tel { font-size: 12px; font-weight: normal; opacity: 0.8; margin-top: 10px; }

/* =========================================
   フッター (2026 Modern Style)
   ========================================= */
.site-footer-modern {
    background-color: #161623; /* リッチなダークテーマ */
    color: #e2e8f0;
    padding: 60px 0 20px;
    margin-top: auto;
    font-family: 'Noto Sans JP', sans-serif;
    border-top: 3px solid var(--color-main);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 30px;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 50px;
    margin-bottom: 50px;
}

/* Section 1: Brand */
.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.footer-logo {
    display: flex;
    flex-direction: column;
    color: #ffffff;
    text-decoration: none;
}
.footer-logo:hover {
    color: var(--color-accent);
}
.footer-logo .logo-text {
    font-size: 26px;
    font-weight: 700;
    line-height: 1.2;
}
.footer-logo .logo-sub {
    font-size: 11px;
    letter-spacing: 1.5px;
    color: var(--color-accent-hover);
    font-weight: bold;
}

.footer-desc {
    font-size: 14px;
    line-height: 1.8;
    color: #a0aec0;
    max-width: 90%;
}

.footer-social {
    margin-top: 15px;
}

.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.05);
    color: #ffffff;
    font-size: 20px;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.social-link:hover {
    background-color: var(--color-accent);
    color: #ffffff;
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(102, 126, 234, 0.3);
    border-color: transparent;
}

/* Section 2 & 3: Links */
.footer-heading {
    color: #ffffff;
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 12px;
    letter-spacing: 1px;
}

.footer-heading::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 40px;
    height: 3px;
    background-color: var(--color-accent);
    border-radius: 2px;
}

.footer-links ul,
.footer-legal ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.footer-links a,
.footer-legal a {
    color: #a0aec0;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s ease;
    display: inline-block;
    position: relative;
}

/* Micro-interaction: Hover arrow & underline */
.footer-links a::before,
.footer-legal a::before {
    content: '\f105'; /* FontAwesome angle-right */
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    left: -15px;
    opacity: 0;
    color: var(--color-accent);
    transition: all 0.3s ease;
    transform: translateX(-10px);
}

.footer-links a:hover,
.footer-legal a:hover {
    color: #ffffff;
    transform: translateX(15px);
}

.footer-links a:hover::before,
.footer-legal a:hover::before {
    opacity: 1;
    transform: translateX(0);
}

.ssl-seal-modern {
    margin-top: 25px;
    background: #ffffff;
    padding: 10px;
    border-radius: 8px;
    display: inline-block;
}

/* Bottom Bar */
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: 25px 30px;
    text-align: center;
    background-color: #0f0f17;
}

.copyright {
    font-size: 13px;
    color: #718096;
    letter-spacing: 0.5px;
    margin: 0;
}

/* Responsive */
@media screen and (max-width: 900px) {
    .footer-container {
        grid-template-columns: 1fr 1fr;
    }
    .footer-brand {
        grid-column: 1 / -1;
    }
}

@media screen and (max-width: 600px) {
    .footer-container {
        grid-template-columns: 1fr;
        gap: 40px;
        padding: 0 20px;
    }
    
    .footer-desc {
        max-width: 100%;
    }
    
    .site-footer-modern {
        padding: 50px 0 0;
    }
}

/* PC/SP切り替え用ユーティリティ */
.pc-only { display: inline; }
.sp-only { display: none; }
@media screen and (max-width: 768px) {
    .pc-only { display: none; }
    .sp-only { display: inline; }
}