/*
Theme Name: SPACEDesign Official Theme
Theme URI: https://spacedesign.zone
Author: SPACEDesign
Description: ConoHa WING最適化。対面営業ゼロを実現する一気通貫型ポートフォリオ兼ブログテーマ。
Version: 1.0.0
*/

:root {
    --bg-dark: #0b0f19;
    --bg-card: #111827;
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --text-main: #f3f4f6;
    --text-muted: #9ca3af;
    --pure-white: #ffffff;
}

body {
    font-family: "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
    line-height: 1.7;
    color: var(--text-main);
    background-color: var(--bg-dark);
    margin: 0;
    padding: 0;
}

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

/* ヘッダー */
header {
    background: rgba(11, 15, 25, 0.8);
    backdrop-filter: blur(8px);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}
.logo a {
    color: var(--pure-white);
    text-decoration: none;
    font-weight: bold;
    font-size: 20px;
    letter-spacing: 1px;
}
.nav-menu a {
    color: var(--text-main);
    text-decoration: none;
    margin-left: 20px;
    font-size: 14px;
}

/* セクション共通 */
section {
    padding: 100px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.section-title {
    text-align: center;
    font-size: 32px;
    margin-bottom: 50px;
    color: var(--pure-white);
}

/* 1. ファーストビュー */
.hero {
    padding: 180px 0 120px 0;
    text-align: center;
    background: radial-gradient(circle at center, #1e293b 0%, var(--bg-dark) 70%);
}
.hero h1 {
    font-size: 42px;
    font-weight: bold;
    line-height: 1.4;
    color: var(--pure-white);
    margin-bottom: 24px;
}
.hero p {
    font-size: 18px;
    color: var(--text-muted);
    max-width: 700px;
    margin: 0 auto 40px auto;
}
.btn {
    display: inline-block;
    background-color: var(--primary);
    color: var(--pure-white);
    padding: 15px 35px;
    text-decoration: none;
    border-radius: 6px;
    font-weight: bold;
    transition: background 0.2s;
}
.btn:hover { background-color: var(--primary-hover); }

/* 2. 3つの機会損失（グリッド） */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}
.card-loss {
    background: var(--bg-card);
    padding: 30px;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.03);
}
.card-loss h3 { color: #f43f5e; margin-top: 0; }

/* 3. ソリューション */
.card-solution {
    background: #1e293b;
    padding: 30px;
    border-radius: 8px;
    margin-bottom: 20px;
    border-left: 4px solid var(--primary);
}
.card-solution h3 { color: var(--pure-white); margin-top: 0; }

/* 5. デモエリア */
.demo-area {
    background: #030712;
    padding: 40px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    min-height: 200px;
}

/* ブログ投稿デザイン */
.blog-article {
    background: var(--bg-card);
    padding: 40px;
    border-radius: 8px;
    margin-bottom: 40px;
}
.blog-article h1, .blog-article h2 { color: var(--pure-white); }
.blog-article a { color: var(--primary); }

@media (max-width: 768px) {
    .hero h1 { font-size: 28px; }
    .hero p { font-size: 15px; }
    section { padding: 60px 0; }
}