/*
Theme Name: Midnight Cipher
Theme URI: https://example.com/midnight-cipher
Author: Mystery Collective
Author URI: https://example.com
Description: 超シンプルな読み物向けミステリー調WordPressテーマ。ヘッダー・フッターを省き、Google広告と本文にフォーカスしています。
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: midnight-cipher
Tags: minimal, blog, one-column, white
*/

:root {
    color-scheme: only light;
    --font-base: "Noto Serif JP", "Hiragino Mincho ProN", "Yu Mincho", "YuMincho", "Times New Roman", serif;
    --font-sans: "Hiragino Sans", "Yu Gothic UI", "Yu Gothic", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --text-color: #1b1d23;
    --muted-text: #5a6270;
    --border-color: #e1e4eb;
    --accent-color: #2d3953;
    --background-color: #ffffff;
    --surface-color: #f7f8fb;
    --max-width: 760px;
    --shadow-soft: 0 12px 24px rgba(17, 23, 36, 0.08);
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    font-size: 16px;
}

body {
    margin: 0;
    padding: 0;
    background-color: var(--background-color);
    color: var(--text-color);
    font-family: var(--font-base);
    font-weight: 400;
    line-height: 1.8;
    letter-spacing: 0.03em;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--accent-color);
    text-decoration: none;
    border-bottom: 1px solid rgba(45, 57, 83, 0.4);
    transition: border-color 0.2s ease, color 0.2s ease;
}

a:hover,
a:focus {
    color: var(--accent-color);
    border-bottom-color: rgba(45, 57, 83, 0.8);
}

.site-wrapper {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 48px 24px 64px;
}

.site-content {
    display: block;
}

.reading-article {
    position: relative;
    background-color: var(--background-color);
}

.reading-header {
    margin-bottom: 24px;
}

.reading-title {
    margin: 0 0 16px;
    font-family: var(--font-base);
    font-weight: 600;
    font-size: clamp(1.2rem, 2.4vw, 1.6rem);
    line-height: 1.2;
    letter-spacing: 0.04em;
}

.reading-excerpt {
    margin: 0;
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--muted-text);
}

.reading-body {
    font-size: 1.05rem;
    text-align: justify;
    text-justify: inter-ideograph;
}

.reading-body p {
    margin: 0 0 1.6em;
}

.reading-body p:last-child {
    margin-bottom: 0;
}

.reading-body h2,
.reading-body h3,
.reading-body h4 {
    font-family: var(--font-sans);
    font-weight: 600;
    line-height: 1.4;
    margin: 2.4em 0 1.2em;
    color: var(--accent-color);
}

.reading-body h2 {
    font-size: 1.6rem;
}

.reading-body h3 {
    font-size: 1.35rem;
}

.reading-body h4 {
    font-size: 1.2rem;
}

.reading-body blockquote {
    margin: 0 0 2em;
    padding: 1.2em 1.5em;
    background: var(--surface-color);
    border-left: 4px solid var(--accent-color);
    font-style: italic;
    box-shadow: var(--shadow-soft);
}

.reading-body blockquote p:last-child {
    margin-bottom: 0;
}

.reading-body figure {
    margin: 0 0 2em;
}

.reading-body figcaption {
    margin-top: 0.5em;
    font-size: 0.85rem;
    color: var(--muted-text);
    text-align: center;
}

.reading-body hr {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 3em 0;
}

.reading-body ul,
.reading-body ol {
    margin: 0 0 1.6em 1.6em;
    padding: 0;
}

.reading-body li {
    margin: 0 0 0.75em;
}

.reading-body pre {
    margin: 0 0 2em;
    padding: 1.5em;
    background: #111823;
    color: #f5f7fa;
    overflow-x: auto;
    border-radius: 12px;
    font-size: 0.95rem;
}

.reading-body code {
    font-family: "Fira Code", "Source Code Pro", monospace;
    background: rgba(17, 24, 35, 0.08);
    padding: 0.15em 0.4em;
    border-radius: 6px;
}

.ad-slot {
    margin: 32px 0;
    padding: 16px;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow-soft);
}

.ad-slot::before {
    content: "Advertisement";
    display: block;
    margin-bottom: 12px;
    font-family: var(--font-sans);
    text-transform: uppercase;
    letter-spacing: 0.18em;
    font-size: 0.75rem;
    color: var(--muted-text);
}

.reading-navigation {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    margin: 56px 0 0;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
    font-family: var(--font-sans);
    font-size: 0.95rem;
}

.reading-navigation a {
    border-bottom: none;
}

.reading-navigation a:hover,
.reading-navigation a:focus {
    text-decoration: underline;
}

.no-results {
    padding: 64px 24px;
    background: var(--surface-color);
    border-radius: 16px;
    text-align: center;
    box-shadow: var(--shadow-soft);
}

.no-results-title {
    margin: 0 0 16px;
    font-family: var(--font-sans);
    font-size: 1.5rem;
}

.no-results-message {
    margin: 0;
    color: var(--muted-text);
    font-family: var(--font-sans);
    font-size: 1rem;
}

.adsbygoogle {
    display: block;
    margin: 0 auto;
    min-height: 90px;
}

.contact-form {
    margin: 2.4em 0;
    padding: 24px;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    display: grid;
    gap: 16px;
    box-shadow: var(--shadow-soft);
}

.contact-form label {
    font-family: var(--font-sans);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--accent-color);
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid rgba(17, 24, 35, 0.12);
    border-radius: 10px;
    font-family: var(--font-sans);
    font-size: 1rem;
    background: #ffffff;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
    border-color: rgba(45, 57, 83, 0.45);
    box-shadow: 0 0 0 3px rgba(45, 57, 83, 0.18);
    outline: none;
}

.contact-form button {
    justify-self: start;
    padding: 14px 28px;
    border: none;
    border-radius: 999px;
    background: var(--accent-color);
    color: #ffffff;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.contact-form button:hover,
.contact-form button:focus {
    transform: translateY(-1px);
    box-shadow: 0 10px 20px rgba(45, 57, 83, 0.3);
}

.post-password-form {
    margin: 32px 0;
    padding: 24px;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    display: grid;
    gap: 16px;
    box-shadow: var(--shadow-soft);
}

.post-password-message {
    margin: 0;
    font-family: var(--font-sans);
    color: var(--muted-text);
    font-size: 0.98rem;
}

.post-password-form label {
    font-family: var(--font-sans);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--accent-color);
}

.post-password-form input {
    padding: 12px 14px;
    border: 1px solid rgba(17, 24, 35, 0.12);
    border-radius: 10px;
    font-family: var(--font-sans);
    font-size: 1rem;
    background: #ffffff;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.post-password-form input:focus {
    border-color: rgba(45, 57, 83, 0.45);
    box-shadow: 0 0 0 3px rgba(45, 57, 83, 0.18);
    outline: none;
}

.post-password-form button {
    justify-self: start;
    padding: 12px 24px;
    border: none;
    border-radius: 999px;
    background: var(--accent-color);
    color: #ffffff;
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.post-password-form button:hover,
.post-password-form button:focus {
    transform: translateY(-1px);
    box-shadow: 0 10px 20px rgba(45, 57, 83, 0.3);
}

@media (max-width: 768px) {
    .site-wrapper {
        padding: 32px 16px 48px;
    }

    .reading-title {
        font-size: clamp(2.1rem, 8vw, 2.5rem);
    }

    .reading-body {
        font-size: 1rem;
        line-height: 1.75;
    }

    .ad-slot {
        margin: 24px -4px;
        border-radius: 10px;
    }

    .reading-navigation {
        flex-direction: column;
        align-items: stretch;
        text-align: center;
    }
}

@media print {
    body {
        background: #ffffff;
    }

    .ad-slot,
    .reading-navigation {
        display: none !important;
    }
}