@charset "UTF-8";

/* --- リセット & 基本設定 --- */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
    color: #333333;
    line-height: 1.6;
    background-color: #fff;
}

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

ul {
    list-style: none;
}

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

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* --- ヘッダー --- */
.site-header {
    background-color: #fff;
    border-bottom: 1px solid #eee;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo img {
    height: 80px;
}

.global-nav ul {
    display: flex;
    align-items: center;
    gap: 20px;
}

.global-nav a {
    font-size: 14px;
    font-weight: bold;
    color: #333;
    transition: color 0.3s;
}

.global-nav a:hover {
    color: #0066cc;
}

.btn-contact-header {
    background-color: #f3b100;
    color: #fff !important;
    padding: 10px 20px;
    border-radius: 6px;
    font-weight: bold;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-contact-header:hover {
    background-color: #e0a300;
}

/* --- メインビジュアル (ヒーローセクション) --- */
.hero {
    background: linear-gradient(135deg, #e6f0fa 0%, #ffffff 100%);
    padding: 60px 0;
    position: relative;
    overflow: hidden;
}

.hero-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}

.hero-content {
    flex: 1;
}

.hero-title {
    font-size: 42px;
    color: #0056b3;
    line-height: 1.3;
    margin-bottom: 20px;
}

.hero-subtitle {
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 15px;
}

.hero-description {
    font-size: 14px;
    color: #555;
    margin-bottom: 30px;
}

.hero-buttons {
    display: flex;
    gap: 15px;
}

.btn-hero {
    display: inline-block;
    padding: 14px 28px;
    border-radius: 30px;
    color: #fff;
    font-weight: bold;
    font-size: 15px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn-hero:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 10px rgba(0,0,0,0.15);
}

.btn-blue { background-color: #0056b3; }
.btn-teal { background-color: #2bb6b0; }
.btn-yellow { background-color: #f3b100; }

.hero-image {
    flex: 1;
    text-align: right;
}

.hero-image img {
    border-radius: 12px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* --- 下層ページ共通スタイル --- */
.page-header {
    background-color: #f4f7f9;
    padding: 40px 0;
    text-align: center;
    border-bottom: 1px solid #e1e8ed;
}

.page-title {
    font-size: 28px;
    color: #0056b3;
}

.page-content {
    padding: 60px 0;
    min-height: 400px;
}

/* --- セクション共通 --- */
.section-title {
    text-align: center;
    font-size: 26px;
    color: #333;
    margin-bottom: 40px;
    position: relative;
}

/* --- セクション: CM字幕って何？ --- */
.features {
    padding: 80px 0;
    background-color: #fff;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.card {
    border: 1px solid #e0e0e0;
    border-radius: 12px;
    padding: 30px 20px;
    text-align: left;
    background: #fff;
}

.card-title {
    font-size: 16px;
    font-weight: bold;
    color: #0056b3;
    margin-top: 15px;
    text-align: center;
}

/* --- フッター --- */
.site-footer {
    background-color: #f8f9fa;
    border-top: 1px solid #eee;
    padding: 40px 0 20px;
    text-align: center;
}

.footer-nav {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 20px;
}

.footer-nav a {
    font-size: 13px;
    color: #666;
}

.copyright {
    font-size: 12px;
    color: #999;
}