@charset "utf-8";
/*
Theme Name: LIQUID LP Child
Theme URI: https://lqd.jp/wp/theme_lp.html
Description: LIQUID LP の子テーマ（マウスピースコラム対応）
Author: LIQUID DESIGN Ltd.
Author URI: https://lqd.jp/wp/
Template: liquid-lp
Version: 1.0.0
*/

/* ============================================
   トップページ: マウスピースコラムセクション
   ============================================ */
.column-section {
    padding: 60px 0 40px;
    background: linear-gradient(135deg, #f0f9ff 0%, #ffffff 50%, #e8f4fd 100%);
}
.column-section .ttl {
    text-align: center;
    font-size: 1.5em;
    font-weight: 700;
    color: #2a7ab5;
    margin-bottom: 10px;
    letter-spacing: 0.08em;
}
.column-section .ttl span {
    border-bottom: 3px solid #5bc0de;
}
.column-section .column-sub {
    text-align: center;
    font-size: 0.85em;
    color: #7ab8d9;
    margin-bottom: 35px;
    letter-spacing: 0.05em;
}

/* カラムカード */
.column-cards {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    justify-content: center;
}
.column-card {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 16px rgba(90, 192, 222, 0.10);
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
    width: calc(33.333% - 16px);
    min-width: 260px;
    max-width: 380px;
}
.column-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 28px rgba(90, 192, 222, 0.18);
}
.column-card a {
    text-decoration: none;
    color: inherit;
    display: block;
}
.column-card .column-card-thumb {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    display: block;
    background: #e0f2fa;
}
.column-card .column-card-body {
    padding: 18px 20px 20px;
}
.column-card .column-card-date {
    font-size: 0.78em;
    color: #90c4de;
    margin-bottom: 6px;
}
.column-card .column-card-title {
    font-size: 1em;
    font-weight: 600;
    color: #2a3a4a;
    line-height: 1.55;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.column-card .column-card-excerpt {
    font-size: 0.82em;
    color: #6a8a9e;
    margin-top: 8px;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.column-more {
    text-align: center;
    margin-top: 32px;
}
.column-more a {
    display: inline-block;
    padding: 12px 40px;
    background: #5bc0de;
    color: #fff;
    border-radius: 30px;
    font-size: 0.9em;
    font-weight: 600;
    text-decoration: none;
    letter-spacing: 0.05em;
    transition: background 0.3s, box-shadow 0.3s;
}
.column-more a:hover {
    background: #2a9fc7;
    box-shadow: 0 4px 14px rgba(42, 159, 199, 0.3);
    color: #fff;
}

@media (max-width: 767px) {
    .column-section {
        padding: 40px 0 30px;
    }
    .column-card {
        width: 100%;
        max-width: 100%;
    }
    .column-cards {
        gap: 16px;
    }
}

/* ============================================
   Single コラム: 水色×白 SEOテンプレート
   ============================================ */

/* ヒーローヘッダー */
.column-hero {
    background: linear-gradient(135deg, #d6eef8 0%, #eaf6fc 40%, #fff 100%);
    padding: 50px 0 40px;
    border-bottom: 3px solid #b8dfef;
}
.column-hero .container {
    max-width: 820px;
    margin: 0 auto;
}
.column-hero .column-breadcrumb {
    font-size: 0.82em;
    margin-bottom: 16px;
}
.column-hero .column-breadcrumb a {
    color: #5baac5;
    text-decoration: none;
}
.column-hero .column-breadcrumb a:hover {
    text-decoration: underline;
}
.column-hero .column-breadcrumb span {
    color: #9bb8c8;
    margin: 0 6px;
}
.column-hero h1 {
    font-size: 1.7em;
    font-weight: 700;
    color: #1e3a4f;
    line-height: 1.5;
    margin: 0;
}
.column-hero .column-meta {
    margin-top: 14px;
    font-size: 0.82em;
    color: #7ab0c8;
    display: flex;
    gap: 18px;
    flex-wrap: wrap;
    align-items: center;
}
.column-hero .column-meta time {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

/* 本文エリア */
.column-body-wrap {
    background: #f5fafd;
    padding: 50px 0 60px;
}
.column-body-wrap .container {
    max-width: 820px;
    margin: 0 auto;
}
.column-content-area {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 20px rgba(100, 180, 220, 0.08);
    padding: 40px 44px;
}

/* 目次（TOC） */
.column-toc {
    background: #f0f8fd;
    border: 1px solid #d0e8f3;
    border-radius: 8px;
    padding: 24px 28px;
    margin-bottom: 36px;
}
.column-toc-title {
    font-size: 0.95em;
    font-weight: 700;
    color: #2a7ab5;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
}
.column-toc-list {
    margin: 0;
    padding-left: 22px;
    counter-reset: toc;
    list-style: none;
}
.column-toc-list li {
    counter-increment: toc;
    margin-bottom: 6px;
    font-size: 0.88em;
    line-height: 1.6;
}
.column-toc-list li::before {
    content: counter(toc) ".";
    color: #5bc0de;
    font-weight: 600;
    margin-right: 6px;
}
.column-toc-list li.toc-h3 {
    margin-left: 18px;
    font-size: 0.92em;
}
.column-toc-list li a {
    color: #3a6a80;
    text-decoration: none;
}
.column-toc-list li a:hover {
    color: #2a9fc7;
    text-decoration: underline;
}
/* 折りたたみ部分（初期非表示） */
.column-toc-hidden {
    display: none;
    counter-reset: toc 5; /* visible_count に合わせる */
}
.column-toc-hidden.is-open {
    display: block;
}
/* トグルボタン */
.column-toc-toggle {
    margin-top: 10px;
    text-align: center;
}
.column-toc-toggle span {
    display: inline-block;
    cursor: pointer;
    font-size: 0.82em;
    font-weight: 600;
    color: #5bc0de;
    padding: 6px 18px;
    border-radius: 20px;
    border: 1px solid #d0e8f3;
    background: #fff;
    transition: all 0.3s;
}
.column-toc-toggle span:hover {
    background: #eaf6fc;
    color: #2a9fc7;
}

/* 本文スタイル */
.column-post-body {
    font-size: 16px;
    line-height: 1.9;
    color: #333;
}
.column-post-body h2 {
    font-size: 1.4em;
    font-weight: 700;
    color: #1e3a4f;
    border-left: 4px solid #5bc0de;
    padding: 8px 0 8px 16px;
    margin: 48px 0 22px;
    background: linear-gradient(90deg, #f0f9ff 0%, transparent 100%);
}
.column-post-body h3 {
    font-size: 1.15em;
    font-weight: 700;
    color: #2a6d8f;
    padding-bottom: 6px;
    border-bottom: 2px solid #d0e8f3;
    margin: 36px 0 16px;
}
.column-post-body h4 {
    font-size: 1.05em;
    font-weight: 700;
    color: #3a7a9a;
    margin: 28px 0 12px;
}
.column-post-body p {
    margin-bottom: 1.6em;
}
.column-post-body img {
    max-width: 100%;
    height: auto;
    border-radius: 6px;
    margin: 16px 0;
}
.column-post-body ul,
.column-post-body ol {
    margin-bottom: 1.6em;
    padding-left: 1.5em;
}
.column-post-body li {
    margin-bottom: 0.4em;
    line-height: 1.8;
}
.column-post-body blockquote {
    border-left: 4px solid #5bc0de;
    background: #f5fafd;
    margin: 24px 0;
    padding: 18px 24px;
    border-radius: 0 8px 8px 0;
    color: #4a6a7a;
}
.column-post-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}
.column-post-body table th,
.column-post-body table td {
    border: 1px solid #d0e8f3;
    padding: 10px 14px;
    text-align: left;
}
.column-post-body table th {
    background: #eaf6fc;
    font-weight: 700;
    color: #2a6d8f;
}
.column-post-body a {
    color: #2a9fc7;
    text-decoration: underline;
}

/* 関連コラム */
.column-related {
    margin-top: 50px;
    padding-top: 36px;
    border-top: 2px solid #e0f0f8;
}
.column-related-title {
    font-size: 1.15em;
    font-weight: 700;
    color: #2a7ab5;
    margin-bottom: 20px;
    text-align: center;
}
.column-related-list {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
}
.column-related-item {
    flex: 1 1 calc(50% - 9px);
    min-width: 220px;
    background: #f8fcfe;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid #e0eff6;
    transition: box-shadow 0.3s, transform 0.3s;
}
.column-related-item:hover {
    box-shadow: 0 4px 16px rgba(90, 192, 222, 0.14);
    transform: translateY(-2px);
}
.column-related-item a {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px;
    text-decoration: none;
    color: inherit;
}
.column-related-item img {
    width: 90px;
    height: 60px;
    object-fit: cover;
    border-radius: 6px;
    flex-shrink: 0;
    background: #e0f2fa;
}
.column-related-item .column-related-text {
    flex: 1;
}
.column-related-item .column-related-text h4 {
    font-size: 0.88em;
    font-weight: 600;
    color: #2a3a4a;
    margin: 0;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* CTA */
.column-cta {
    margin-top: 40px;
    background: linear-gradient(135deg, #eaf6fc 0%, #d6eef8 100%);
    border-radius: 10px;
    padding: 30px;
    text-align: center;
}
.column-cta p {
    font-size: 1em;
    color: #2a5a70;
    margin-bottom: 16px;
}
.column-cta a {
    display: inline-block;
    padding: 14px 44px;
    background: #5bc0de;
    color: #fff;
    border-radius: 30px;
    font-weight: 700;
    font-size: 1em;
    text-decoration: none;
    transition: background 0.3s, box-shadow 0.3s;
}
.column-cta a:hover {
    background: #2a9fc7;
    box-shadow: 0 4px 14px rgba(42, 159, 199, 0.3);
    color: #fff;
}

@media (max-width: 767px) {
    .column-hero {
        padding: 30px 0 28px;
    }
    .column-hero h1 {
        font-size: 1.3em;
    }
    .column-content-area {
        padding: 24px 18px;
    }
    .column-post-body h2 {
        font-size: 1.2em;
    }
    .column-toc {
        padding: 18px 16px;
    }
    .column-related-item {
        flex: 1 1 100%;
    }
}