@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;700&family=Noto+Sans+JP:wght@400;700&family=Outfit:wght@500;700&display=swap');

/* 
   LAQUN Premium Design System
   Aesthetics: Clean, Modern, Trustworthy (HSL base)
*/

:root {
    --primary: #2c3e50;
    --accent: #e67e22;
    /* 暖かみのあるオレンジ（行動喚起） */
    --bg-light: #f4f7f9;
    --text-main: #2c3e50;
    --text-sub: #546e7a;
    --white: #ffffff;
    --shadow: 0 15px 45px rgba(0, 0, 0, 0.08);
    --font-heading: 'Outfit', 'Noto Sans JP', sans-serif;
    --font-body: 'Inter', 'Noto Sans JP', sans-serif;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-body);
    line-height: 1.8;
    color: var(--text-main);
    background-color: var(--bg-light);
    -webkit-font-smoothing: antialiased;
}

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

.layout-2col {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 40px;
}

@media (max-width: 900px) {
    .layout-2col {
        grid-template-columns: 1fr;
    }
}

header {
    background: var(--white);
    padding: 30px 0;
    text-align: center;
    border-bottom: 1px solid #eee;
}

.hero {
    background: linear-gradient(135deg, #2c3e50 0%, #3498db 100%);
    background-size: cover;
    background-position: center;
    color: white;
    padding: 100px 20px;
    text-align: center;
    margin-bottom: 60px;
    border-radius: 0 0 40px 40px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.hero h1 {
    color: white !important;
    font-size: 3.2rem;
    margin-bottom: 20px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.hero p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.3rem;
    max-width: 800px;
    margin: 0 auto 40px;
}

header h1 {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: -0.02em;
    margin-bottom: 10px;
}

header p {
    color: var(--text-sub);
    font-size: 1.1rem;
}

/* Typography */
h1.article-title {
    font-family: var(--font-heading);
    font-size: 2.4rem;
    font-weight: 700;
    margin-bottom: 30px;
    line-height: 1.3;
    color: var(--primary);
}

h2 {
    font-size: 1.8rem;
    margin: 60px 0 30px;
    padding-left: 20px;
    border-left: 6px solid var(--accent);
    color: var(--primary);
    background: linear-gradient(to right, #fcfcfc, transparent);
    padding-top: 5px;
    padding-bottom: 5px;
}

h3 {
    font-size: 1.4rem;
    margin: 40px 0 20px;
    color: var(--text-main);
    border-bottom: 2px solid #f0f0f0;
    padding-bottom: 10px;
}

p {
    margin-bottom: 25px;
}

/* Components */
.card {
    background: var(--white);
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--shadow);
    margin-bottom: 30px;
}

.cta-button {
    display: inline-block;
    background: linear-gradient(135deg, var(--accent), #d35400);
    color: var(--white);
    padding: 20px 45px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1rem;
    box-shadow: 0 10px 20px rgba(230, 126, 34, 0.3);
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.cta-button:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 15px 30px rgba(230, 126, 34, 0.4);
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

/* Sidebar / Sidebar Widgets */
.sidebar-area {
    position: sticky;
    top: 20px;
}

.sidebar-widget {
    background: var(--white);
    padding: 30px;
    border-radius: 20px;
    box-shadow: var(--shadow);
    margin-bottom: 30px;
}

.sidebar-widget h3 {
    font-size: 1.2rem;
    margin-top: 0;
    margin-bottom: 20px;
    border-bottom: 2px solid var(--accent);
}

.sidebar-widget ul {
    list-style: none;
}

.sidebar-widget ul li {
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px dashed #eee;
}

.sidebar-widget ul li:last-child {
    border-bottom: none;
}

.sidebar-widget a {
    text-decoration: none;
    color: var(--primary);
    font-weight: 500;
    transition: color 0.2s;
}

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

/* Specific styling for article pages */
article.content-main {
    background: var(--white);
    padding: 60px;
    border-radius: 20px;
    box-shadow: var(--shadow);
}

.pr-label {
    font-size: 0.75rem;
    color: var(--text-sub);
    border: 1px solid #eee;
    padding: 4px 12px;
    display: inline-block;
    border-radius: 4px;
    margin-bottom: 20px;
}

/* Responsive */
@media (max-width: 768px) {
    h1.article-title {
        font-size: 1.8rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    article.content-main {
        padding: 30px;
    }
}