/*
Theme Name: Singularity Liver Agency
Theme URI: https://singularity-connection.com/liver/
Description: TikTokライバー事務所「シンギュラリティ」の公式WordPressテーマ。報酬還元率100%、トップライバー多数輩出。美しいデザインと完全レスポンシブ対応。
Author: Singularity
Author URI: https://singularity-connection.com/
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: singularity
Tags: custom-background, custom-logo, custom-menu, featured-images, threaded-comments, translation-ready, blog, entertainment
*/

/* ============================================
   カラースキーム - エレガント&ラグジュアリー
   ============================================ */
:root {
    --main-color: #000000;          /* ブラック */
    --accent-color-1: #D4AF37;      /* ゴールド */
    --accent-color-2: #FFFFFF;      /* ホワイト */
    --background-color: #000000;    /* ブラック背景 */
    --white: #FFFFFF;
    --champagne-gold: #F7E7CE;      /* シャンパンゴールド */
    --text-primary: #FFFFFF;        /* メインテキスト */
    --text-secondary: #FFFFFF;      /* サブテキスト */
    --card-bg: #000000;             /* カード背景 */
    --transition: all 0.3s ease;
}

/* ============================================
   リセット & 基本スタイル
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: "游明朝", "Yu Mincho", "游明朝体", "YuMincho", "ヒラギノ明朝 Pro", "Hiragino Mincho Pro", "MS P明朝", "MS PMincho", serif;
    color: var(--text-primary);
    background-color: var(--background-color);
    line-height: 1.8;
    font-size: 16px;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--accent-color-1);
}

/* ============================================
   コンテナ
   ============================================ */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 80px 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: bold;
    text-align: center;
    margin-bottom: 50px;
    color: var(--accent-color-2);
    position: relative;
    padding-bottom: 20px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--main-color), var(--accent-color-1));
    border-radius: 2px;
}

/* ============================================
   ヘッダー
   ============================================ */
.site-header {
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.site-logo {
    font-size: 1.8rem;
    font-weight: bold;
    color: #000000;
}

.main-navigation {
    display: flex;
    gap: 30px;
    list-style: none;
}

.main-navigation a {
    font-weight: 500;
    padding: 10px 0;
    position: relative;
    color: #000000;
}

.main-navigation a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-color-1);
    transition: width 0.3s ease;
}

.main-navigation a:hover::after {
    width: 100%;
}

/* ハンバーガーメニュー */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: #000000;
}

/* ============================================
   ボタンスタイル
   ============================================ */
.btn {
    display: inline-block;
    padding: 15px 40px;
    border-radius: 50px;
    font-weight: bold;
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: var(--accent-color-1);
    color: #000000 !important;
}

.btn-primary:hover {
    background: var(--accent-color-1);
    color: #000000 !important;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(212, 175, 55, 0.3);
}

.btn-secondary {
    background: var(--accent-color-1);
    color: #000000 !important;
    border: 2px solid var(--accent-color-1);
}

.btn-secondary:hover {
    background: #C19B2E;
    color: #000000 !important;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(212, 175, 55, 0.3);
}

.btn-outline {
    background: var(--accent-color-1);
    color: #000000 !important;
    border: 2px solid var(--accent-color-1);
}

.btn-outline:hover {
    background: #C19B2E;
    color: #000000 !important;
    transform: translateY(-2px);
}

/* ============================================
   ヒーローセクション
   ============================================ */
.hero-section {
    position: relative;
    min-height: 500px;
    height: 70vh; /* ビューポートの70%の高さ */
    max-height: 800px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    color: var(--white);
    text-align: center;
    overflow: hidden;
}

/* 背景動画 */
.hero-video {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    transform: translate(-50%, -50%);
    z-index: 0;
    object-fit: cover;
    object-position: center center;
}

/* 動画が縦長の場合の調整 */
@media (max-aspect-ratio: 16/9) {
    .hero-video {
        width: auto;
        height: 100%;
    }
}

/* 動画が横長の場合の調整 */
@media (min-aspect-ratio: 16/9) {
    .hero-video {
        width: 100%;
        height: auto;
    }
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    padding: 0 20px;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.hero-title {
    font-size: 3rem;
    font-weight: bold;
    margin-bottom: 20px;
    line-height: 1.3;
    text-align: center;
    width: 100%;
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 40px;
    opacity: 0.95;
    text-align: center;
    width: 100%;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    width: 100%;
}

/* ============================================
   特徴セクション
   ============================================ */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-bottom: 40px;
}

.feature-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.feature-icon {
    font-size: 3.5rem;
    color: var(--accent-color-1);
    margin-bottom: 20px;
}

.feature-title {
    font-size: 1.4rem;
    font-weight: bold;
    margin-bottom: 15px;
    color: #000000;
}

.feature-description {
    color: #333333;
    line-height: 1.7;
}

/* ============================================
   ライバーカルーセル
   ============================================ */
.liver-carousel-wrapper {
    margin: 50px 0;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.liver-carousel-row {
    overflow: hidden;
}

.liver-carousel {
    display: flex;
    gap: 20px;
    will-change: transform;
}

.liver-carousel-top {
    animation: scroll-left 20s linear infinite;
}

.liver-carousel-bottom {
    animation: scroll-right 20s linear infinite;
}

.liver-carousel:hover {
    animation-play-state: paused;
}

/* 右から左へ（上段） */
@keyframes scroll-left {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

/* 左から右へ（下段） */
@keyframes scroll-right {
    0% {
        transform: translateX(-50%);
    }
    100% {
        transform: translateX(0);
    }
}

/* スマホでも自動スクロール+スワイプ対応 */
@media (max-width: 768px) {
    .liver-carousel-wrapper {
        gap: 15px;
    }
    
    .liver-carousel-row {
        overflow: visible; /* アニメーションを見せるため */
    }
    
    .liver-card {
        flex: 0 0 180px;
        padding: 15px;
    }
    
    .liver-image-wrapper {
        width: 150px;
        height: 150px;
        margin-bottom: 15px;
    }
    
    .liver-name {
        font-size: 1rem;
    }
    
    .liver-catchphrase {
        font-size: 0.8rem;
    }
}

.liver-card {
    flex: 0 0 220px;
    display: flex;
    flex-direction: column;
    align-items: center;
    background: transparent;
    padding: 20px;
    transition: var(--transition);
    cursor: pointer;
}

.liver-card:hover .liver-image-wrapper {
    transform: scale(1.08);
}

.liver-card:hover .liver-image-wrapper::before {
    opacity: 0.9;
}

.liver-image-wrapper {
    position: relative;
    width: 180px;
    height: 180px;
    margin-bottom: 20px;
    transition: var(--transition);
}

.liver-image-wrapper::before {
    content: '';
    position: absolute;
    top: -8px;
    left: -8px;
    right: -8px;
    bottom: -8px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-color-1) 0%, var(--accent-color-2) 50%, var(--accent-color-1) 100%);
    z-index: 1;
    opacity: 0.7;
    transition: var(--transition);
}

.liver-image-wrapper::after {
    content: '';
    position: absolute;
    top: -12px;
    left: -12px;
    right: -12px;
    bottom: -12px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(129, 216, 208, 0.3) 0%, rgba(255, 107, 157, 0.3) 100%);
    z-index: 0;
    filter: blur(8px);
}

.liver-image {
    position: relative;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--white);
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
    z-index: 2;
}

.liver-info {
    text-align: center;
    width: 100%;
}

.liver-name {
    font-size: 1.1rem;
    font-weight: bold;
    margin-bottom: 8px;
    color: var(--accent-color-2);
    line-height: 1.4;
}

.liver-catchphrase {
    color: #FFFFFF;
    font-size: 0.85rem;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ライバー実績表示 */
.liver-achievements {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 60px;
    margin: 60px 0 30px;
    flex-wrap: wrap;
}

.achievement-item {
    display: flex;
    align-items: center;
    gap: 20px;
}

.achievement-icon {
    font-size: 3.5rem;
    color: var(--accent-color-1);
    filter: drop-shadow(0 4px 8px rgba(212, 175, 55, 0.3));
}

.achievement-text {
    font-size: 1.1rem;
    line-height: 1.6;
    color: var(--text-primary);
}

.achievement-text strong {
    font-size: 2rem;
    color: var(--accent-color-1);
    font-weight: bold;
    display: inline-block;
    margin-top: 5px;
}

.liver-message {
    text-align: center;
    margin: 30px 0;
}

.liver-message p {
    font-size: 1.3rem;
    font-weight: bold;
    color: var(--accent-color-1);
    letter-spacing: 0.05em;
}

/* ============================================
   成功事例
   ============================================ */
.success-stories {
    display: grid;
    gap: 50px;
}

.story-card {
    background: var(--white);
    border-radius: 15px;
    padding: 40px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
}

.story-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 2px solid #f0f0f0;
}

.story-badge {
    background: linear-gradient(135deg, var(--main-color), var(--accent-color-1));
    color: var(--white);
    padding: 10px 20px;
    border-radius: 50px;
    font-weight: bold;
    font-size: 0.9rem;
}

.story-title {
    font-size: 1.8rem;
    font-weight: bold;
    color: #000000;
}

.story-content {
    line-height: 1.9;
    color: #333333;
}

.story-timeline {
    margin: 30px 0;
    padding-left: 30px;
    border-left: 3px solid var(--main-color);
}

.timeline-item {
    margin-bottom: 25px;
    position: relative;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -37px;
    top: 5px;
    width: 12px;
    height: 12px;
    background: var(--accent-color-1);
    border-radius: 50%;
}

.timeline-month {
    font-weight: bold;
    color: var(--accent-color-1);
    margin-bottom: 5px;
}

.story-highlight {
    background: var(--white);
    padding: 25px;
    border-radius: 10px;
    margin-top: 25px;
    border: 3px solid var(--accent-color-1);
}

.highlight-title {
    font-weight: bold;
    color: #000000;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.highlight-title i {
    color: var(--accent-color-1);
}

.highlight-list {
    list-style: none;
    padding-left: 0;
}

.highlight-list li {
    padding: 8px 0;
    padding-left: 25px;
    position: relative;
    color: #333333;
}

.highlight-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-color-1);
    font-weight: bold;
}

/* ============================================
   配信までの流れ
   ============================================ */
.flow-steps {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
    position: relative;
}

.flow-steps::before {
    content: '';
    position: absolute;
    top: 40px;
    left: 10%;
    right: 10%;
    height: 2px;
    background: var(--main-color);
    z-index: 0;
}

.flow-step {
    text-align: center;
    position: relative;
    z-index: 1;
}

.step-icon {
    width: 80px;
    height: 80px;
    background: var(--white);
    border: 3px solid var(--main-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--main-color);
    margin: 0 auto 20px;
    position: relative;
}

.step-number {
    position: absolute;
    top: -10px;
    right: -10px;
    width: 30px;
    height: 30px;
    background: var(--accent-color-1);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    font-weight: bold;
}

.step-title {
    font-weight: bold;
    margin-bottom: 10px;
    color: var(--accent-color-2);
}

.step-description {
    font-size: 0.9rem;
    color: #FFFFFF;
}

/* ============================================
   FAQ
   ============================================ */
.faq-list {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: var(--white);
    border-radius: 10px;
    margin-bottom: 15px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    overflow: hidden;
    border: 2px solid transparent;
    transition: var(--transition);
}

.faq-item:hover {
    border-color: var(--accent-color-1);
}

.faq-question {
    padding: 25px;
    font-weight: bold;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
    color: #000000;
}



.faq-icon {
    font-size: 1.5rem;
    color: var(--accent-color-1);
    transition: transform 0.3s ease;
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer-content {
    padding: 0 25px 25px;
    color: #333333;
    line-height: 1.8;
}

/* ============================================
   コラム
   ============================================ */
.column-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 40px;
}

.column-card {
    background: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: var(--transition);
}

.column-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.column-thumbnail {
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
}

.column-content {
    padding: 25px;
}

.column-date {
    color: #666666;
    font-size: 0.9rem;
    margin-bottom: 10px;
}

.column-title {
    font-size: 1.2rem;
    font-weight: bold;
    margin-bottom: 10px;
    color: #000000;
    line-height: 1.5;
}

.column-excerpt {
    color: #333333;
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ============================================
   フッター
   ============================================ */
.site-footer {
    background: var(--white);
    color: #000000;
    padding: 60px 0 30px;
    border-top: 1px solid #e0e0e0;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3 {
    color: var(--accent-color-1);
    margin-bottom: 20px;
    font-size: 1.2rem;
}

.footer-nav {
    list-style: none;
}

.footer-nav li {
    margin-bottom: 12px;
}

.footer-nav a {
    color: #333333;
    transition: var(--transition);
}

.footer-nav a:hover {
    color: var(--accent-color-1);
    padding-left: 5px;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid #e0e0e0;
    color: #666666;
}

/* ============================================
   固定CTAボタン
   ============================================ */
.fixed-cta {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 999;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.fixed-cta .btn {
    box-shadow: 0 5px 20px rgba(212, 175, 55, 0.4);
}

/* ============================================
   ライバーアーカイブページ
   ============================================ */
.liver-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 40px 20px;
    justify-items: center;
}

/* 20人のライバーを綺麗に表示するための調整 */
.liver-grid .liver-card:nth-last-child(-n+2):nth-child(3n+1) {
    grid-column: auto;
}

/* ============================================
   ライバー個別ページ
   ============================================ */
.liver-detail {
    max-width: 900px;
    margin: 0 auto;
    background: var(--white);
    border-radius: 15px;
    padding: 50px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
}

.liver-detail-header {
    text-align: center;
    margin-bottom: 40px;
}

.liver-detail-image {
    width: 400px;
    height: 400px;
    object-fit: cover;
    border-radius: 15px;
    margin: 0 auto 30px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.liver-detail-name {
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 15px;
    color: #000000;
}

.liver-detail-catchphrase {
    font-size: 1.3rem;
    color: var(--accent-color-1);
    margin-bottom: 30px;
}

.liver-social-links {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 40px;
}

.social-link {
    width: 50px;
    height: 50px;
    background: var(--accent-color-1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: #000000;
    transition: var(--transition);
}

.social-link:hover {
    background: #C19B2E;
    color: #000000;
    transform: translateY(-5px);
}

.liver-detail-description {
    line-height: 2;
    color: #333333;
}

/* ============================================
   ブログ記事
   ============================================ */
.blog-post {
    max-width: 800px;
    margin: 0 auto;
    background: var(--white);
    border-radius: 15px;
    padding: 50px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
}

.post-header {
    margin-bottom: 40px;
}

.post-title {
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 20px;
    color: #000000;
    line-height: 1.4;
}

.post-meta {
    color: #666666;
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.post-thumbnail {
    width: 100%;
    border-radius: 10px;
    margin-bottom: 40px;
}

.post-content {
    line-height: 2;
    color: #333333;
}

.post-content h2 {
    font-size: 1.8rem;
    margin: 40px 0 20px;
    color: #000000;
}

.post-content h3 {
    font-size: 1.5rem;
    margin: 30px 0 15px;
    color: #000000;
}

.post-content p {
    margin-bottom: 20px;
}

.post-content img {
    border-radius: 10px;
    margin: 30px 0;
}

/* ============================================
   レスポンシブデザイン
   ============================================ */

/* タブレット */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .flow-steps {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .column-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .liver-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
        gap: 30px 15px;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* スマートフォン */
@media (max-width: 768px) {
    .section {
        padding: 60px 0;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    /* ヘッダー */
    .main-navigation {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background: var(--white);
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 5px 20px rgba(0,0,0,0.1);
        transform: translateY(-100%);
        opacity: 0;
        transition: var(--transition);
        z-index: 999;
    }
    
    .main-navigation.active {
        transform: translateY(0);
        opacity: 1;
    }
    
    .menu-toggle {
        display: block;
    }
    
    /* ヒーロー */
    .hero-section {
        min-height: 400px;
        height: 60vh;
        max-height: 600px;
    }
    
    .hero-video {
        /* スマホでは動画の中央を表示 */
        object-position: center center;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    
    /* グリッドレイアウト */
    .features-grid,
    .column-grid,
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .liver-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    /* 特徴カード - スマホで横並び */
    .feature-card {
        display: flex;
        align-items: center;
        text-align: left;
        gap: 15px;
        padding: 20px 15px;
    }
    
    .feature-icon {
        font-size: 2rem;
        margin-bottom: 0;
        flex-shrink: 0;
    }
    
    .feature-content {
        flex: 1;
    }
    
    .feature-title {
        font-size: 1.1rem;
        margin-bottom: 8px;
    }
    
    .feature-description {
        font-size: 0.9rem;
        line-height: 1.6;
    }
    
    /* 配信の流れ - スマホで横並び */
    .flow-steps {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .flow-steps::before {
        display: none;
    }
    
    .flow-step {
        display: flex;
        align-items: flex-start;
        text-align: left;
        gap: 15px;
    }
    
    .step-icon {
        margin: 0;
        flex-shrink: 0;
        width: 50px;
        height: 50px;
        font-size: 1.3rem;
    }
    
    .step-number {
        width: 22px;
        height: 22px;
        font-size: 0.75rem;
    }
    
    .step-content {
        flex: 1;
        padding-top: 3px;
    }
    
    .step-title {
        font-size: 1.1rem;
        margin-bottom: 5px;
    }
    
    .step-description {
        font-size: 0.85rem;
        line-height: 1.5;
    }
    
    /* ライバーカード */
    .liver-card {
        flex: 0 0 180px;
        padding: 15px;
    }
    
    .liver-image-wrapper {
        width: 150px;
        height: 150px;
        margin-bottom: 15px;
    }
    
    .liver-name {
        font-size: 1rem;
    }
    
    .liver-catchphrase {
        font-size: 0.8rem;
    }
    
    /* 詳細ページ */
    .liver-detail,
    .blog-post {
        padding: 30px 20px;
    }
    
    .liver-detail-image {
        width: 100%;
        height: auto;
    }
    
    .liver-detail-name,
    .post-title {
        font-size: 2rem;
    }
    
    /* ストーリーカード */
    .story-card {
        padding: 25px;
    }
    
    .story-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    /* 実績表示 - スマホ用 */
    .liver-achievements {
        gap: 20px;
        margin: 40px 0 20px;
        flex-direction: row;
        justify-content: center;
    }
    
    .achievement-item {
        gap: 10px;
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .achievement-icon {
        font-size: 2rem;
    }
    
    .achievement-text {
        font-size: 0.85rem;
    }
    
    .achievement-text strong {
        font-size: 1.3rem;
        display: block;
    }
    
    .liver-message p {
        font-size: 1rem;
        line-height: 1.6;
        padding: 0 10px;
    }
    
    /* 固定CTA */
    .fixed-cta {
        bottom: 20px;
        right: 20px;
    }
    
    .fixed-cta .btn {
        padding: 12px 25px;
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .section-title {
        font-size: 1.7rem;
    }
    
    .hero-title {
        font-size: 1.6rem;
    }
    
    .btn {
        padding: 12px 30px;
        font-size: 0.95rem;
    }
}

/* ============================================
   ユーティリティクラス
   ============================================ */
.text-center {
    text-align: center;
}

.mt-10 {
    margin-top: 10px;
}

.mt-20 {
    margin-top: 20px;
}

.mt-30 {
    margin-top: 30px;
}

.mt-40 {
    margin-top: 40px;
}

.mb-10 {
    margin-bottom: 10px;
}

.mb-20 {
    margin-bottom: 20px;
}

.mb-30 {
    margin-bottom: 30px;
}

.mb-40 {
    margin-bottom: 40px;
}