/*
Theme Name: IROHA CLASSICS
Theme URI: https://irohacls.com
Author: IROHA Project
Description: A minimal theme for Japanese craftsmanship.
Version: 1.0
*/

:root {
    --bg-color: #F9F8F6; /* 生成り色 */
    --text-color: #333333; /* 墨色 */
    --accent-color: #1A2B4C; /* 藍色 */
    --gold-color: #C1A467; /* 真鍮色 */
    --font-jp: 'Noto Serif JP', serif;
    --font-en: 'Cormorant Garamond', serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-jp);
    line-height: 2.0;
    margin: 0;
    letter-spacing: 0.05em;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--text-color);
    text-decoration: none;
    transition: opacity 0.3s;
}

a:hover {
    opacity: 0.7;
}

/* Header */
header {
    text-align: center;
    padding: 60px 20px;
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

.site-title {
    font-family: var(--font-en);
    font-size: 2.5rem;
    font-weight: 400;
    letter-spacing: 0.1em;
    margin: 0;
    text-transform: uppercase;
    color: var(--accent-color);
}

.site-description {
    font-size: 0.9rem;
    color: #888;
    margin-top: 10px;
}

/* Nav */
nav ul {
    list-style: none;
    padding: 0;
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-top: 40px;
}

nav a {
    font-family: var(--font-en);
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 0.1em;
}

/* Main Layout */
.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 60px 20px;
}

/* Grid for Articles */
.post-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 60px;
}

.post-card {
    display: flex;
    flex-direction: column;
}

.post-thumbnail {
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
    margin-bottom: 20px;
    background-color: #eee;
}

.post-cat {
    font-family: var(--font-en);
    font-size: 0.8rem;
    color: var(--gold-color);
    text-transform: uppercase;
    margin-bottom: 10px;
}

.post-title {
    font-size: 1.2rem;
    margin: 0 0 15px 0;
    line-height: 1.6;
}

.read-more {
    font-size: 0.9rem;
    border-bottom: 1px solid var(--text-color);
    display: inline-block;
    padding-bottom: 2px;
}

/* Vertical Text Accent */
.vertical-text {
    writing-mode: vertical-rl;
    font-family: var(--font-jp);
    position: absolute;
    top: 100px;
    right: 40px;
    font-size: 1.2rem;
    letter-spacing: 0.5em;
    height: 300px;
    display: none; /* PCのみ表示などの制御用 */
}

@media (min-width: 768px) {
    .vertical-text { display: block; }
}

/* Footer */
footer {
    text-align: center;
    padding: 80px 20px;
    background-color: #fff;
    font-family: var(--font-en);
    font-size: 0.8rem;
    border-top: 1px solid rgba(0,0,0,0.05);
}