/* ==================================== */
/* 0. 基本設定 & 共通スタイル */
/* ==================================== */
:root {
    --primary-color: #0073e6; /* メイン青 */
    --accent-color: #00c300; /* LINE緑 */
    --campaign-color: #ffc107; /* キャンペーン黄 */
    --text-color: #333;
    --light-gray: #f8f8f8;
    --medium-gray: #e0e0e0;
    --dark-gray: #555;
    --border-radius: 8px;
    --box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Noto Sans JP', sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background-color: var(--light-gray);
    text-align: center;
    padding-bottom: 80px; /* フローティングバナーのスペース */
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 960px;
    margin: 50px auto;
    padding: 30px;
    background: #fff;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
}

h2, h3, h4 {
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 25px;
    line-height: 1.3;
}

h2 {
    font-size: 32px;
    color: var(--primary-color);
    border-bottom: 2px solid var(--primary-color);
    display: inline-block;
    padding-bottom: 10px;
    margin-bottom: 40px;
}

h3 {
    font-size: 24px;
    color: var(--dark-gray);
    margin-bottom: 20px;
}

p {
    font-size: 16px;
    margin-bottom: 15px;
}

.highlight {
    font-weight: 700;
    color: var(--primary-color);
}

strong {
    font-weight: 700;
}

/* ==================================== */
/* 1. ヘッダー & ヒーローセクション */
/* ==================================== */
.page-header {
    background: #fff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    padding: 15px 30px;
    position: sticky;
    top: 0;
    z-index: 100;
}
.header-content {
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.page-header .logo {
    font-size: 24px;
    font-weight: 900;
    color: var(--primary-color);
    text-decoration: none;
}
.page-header nav {
    display: flex;
    gap: 25px;
    align-items: center;
}
.page-header nav a {
    text-decoration: none;
    color: var(--dark-gray);
    font-weight: 500;
    transition: color 0.3s;
}
.page-header nav a:hover,
.page-header nav a.active {
    color: var(--primary-color);
}
.page-header .header-cta {
    background: var(--accent-color);
    color: #fff;
    padding: 8px 18px;
    border-radius: 50px;
    font-weight: 700;
    transition: background-color 0.3s;
}
.page-header .header-cta:hover {
    background-color: #00a000;
    color: #fff;
}

.hero-section {
    position: relative;
    max-width: 100%;
    margin: 0 auto;
    overflow: hidden;
}

.hero-section img {
    width: 100%;
    height: 60vh; 
    display: block;
    object-fit: cover;
    filter: brightness(0.6);
}

.text-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: #fff;
    font-weight: 900;
    font-size: 36px;
    background: rgba(0, 0, 0, 0.3);
    padding: 25px 40px;
    border-radius: var(--border-radius);
    line-height: 1.5;
    white-space: nowrap;
    letter-spacing: 0.05em;
    width: 90%;
    max-width: 800px;
}

/* ==================================== */
/* 2. インフォメーションコンテナ */
/* ==================================== */
.info-container {
    max-width: 800px;
    margin: 60px auto;
    padding: 30px;
    background: white;
    box-shadow: var(--box-shadow);
    border-radius: var(--border-radius);
}
.info-container p {
    font-size: 18px;
    line-height: 1.8;
}
.achievement-description {
    font-size: 18px;
    color: var(--text-color);
    margin: 30px auto 60px;
    max-width: 800px;
    line-height: 1.8;
    padding: 0 15px;
    font-weight: 500;
}
.achievement-description strong {
    color: var(--primary-color);
}

/* ==================================== */
/* 3. お客様の成功事例（ケーススタディ） */
/* ==================================== */
.success-cases {
    display: grid; 
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.case-item {
    background: #fff;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transition: transform 0.3s ease-in-out, box-shadow 0.3s ease-in-out;
    overflow: hidden;
}
.case-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.15);
}

.case-item h3 {
    padding: 20px 20px 0 20px;
    font-size: 20px;
    margin-bottom: 15px;
}

.before-after {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 25px;
    padding: 0 20px;
}

.ba-image-container {
    position: relative;
    width: 100%;
    height: 220px;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.ba-image-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.label {
    background: rgba(0, 0, 0, 0.6);
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
    position: absolute;
    top: 8px;
    left: 8px;
    font-size: 12px;
    font-weight: 700;
    z-index: 10;
}

.case-study-details {
    text-align: left;
    width: 100%;
    padding: 0 25px;
    box-sizing: border-box;
}
.case-study-details h4 {
    font-size: 17px;
    color: var(--primary-color);
    font-weight: 700;
    margin-top: 15px;
    margin-bottom: 8px;
    padding-left: 12px;
    border-left: 4px solid var(--accent-color);
}
.case-study-details p {
    font-size: 14px;
    color: var(--dark-gray);
    margin-bottom: 20px;
    padding-left: 16px;
    line-height: 1.7;
}
.case-study-result {
    background: #e8f5e9;
    padding: 20px 25px;
    width: 100%;
    margin-top: auto;
    box-sizing: border-box;
}
.case-study-result h4 {
    color: #2e7d32;
    border-left: 4px solid #2e7d32;
    font-size: 17px;
    margin-top: 0;
}
.case-study-result p {
    color: #333;
    font-weight: 500;
    font-size: 14px;
    padding-left: 16px;
    margin-bottom: 0;
}
.case-study-result .highlight {
    color: #d32f2f;
    font-size: 18px;
    font-weight: 900;
}

/* ==================================== */
/* 4. 初回体験トレーニングの内容 */
/* ==================================== */
.steps {
    display: flex;
    flex-direction: column;
    gap: 30px;
    margin-top: 40px;
}

.step {
    background: #f4f4f4;
    padding: 25px;
    border-radius: var(--border-radius);
    display: flex;
    align-items: flex-start;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
}
.step::before {
    content: counter(step-counter);
    counter-increment: step-counter;
    position: absolute;
    top: 15px;
    left: 15px;
    width: 30px;
    height: 30px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 18px;
    z-index: 1;
}
.steps {
    counter-reset: step-counter;
}

.step img {
    width: 100px;
    height: 100px;
    border-radius: var(--border-radius);
    object-fit: cover;
    margin-right: 20px;
    flex-shrink: 0;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

.step-text {
    text-align: left;
    flex-grow: 1;
}

.step-text h3 {
    color: var(--primary-color);
    font-size: 20px;
    margin-top: 0;
    margin-bottom: 10px;
    padding-left: 45px;
}
.step:first-child .step-text h3 {
     padding-left: 0;
}

.example {
    font-size: 14px;
    color: var(--dark-gray);
    margin-top: 10px;
    background: #e9f5ff;
    padding: 10px;
    border-radius: 5px;
    border-left: 3px solid var(--primary-color);
}

/* ==================================== */
/* 5. 料金プランセクション */
/* ==================================== */
.pricing-section {
    max-width: 900px;
    margin: 60px auto;
    padding: 35px;
    background: #fff;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.pricing-section h2 {
    color: var(--primary-color);
    font-size: 32px;
}

.pricing-description {
    font-size: 18px;
    margin-bottom: 30px;
    color: var(--dark-gray);
    line-height: 1.7;
}

.pricing-container {
    overflow-x: auto;
    width: 100%;
    margin: 0 auto;
}

.pricing-table {
    width: 100%;
    min-width: 700px;
    border-collapse: collapse;
    background-color: #fff;
    font-family: 'Noto Sans JP', sans-serif;
    border: 1px solid var(--medium-gray);
}

.pricing-table thead {
    background-color: var(--primary-color);
    color: #fff;
}

.pricing-table th, .pricing-table td {
    padding: 16px 10px;
    text-align: center;
    border: 1px solid var(--medium-gray);
    font-size: 15px;
}

.pricing-table tbody tr:nth-child(even) {
    background-color: #f9f9f9;
}

.trial-training td {
    color: var(--primary-color);
    font-weight: 700;
}

.campaign-plan {
    background-color: #fff3e0;
}
.campaign-plan td {
    color: #d84315;
    font-weight: 700;
    font-size: 16px;
}
.campaign-plan td:first-child {
    background-color: var(--campaign-color);
    color: var(--dark-gray);
    border-right: none;
}
.campaign-price {
    font-size: 24px;
    color: #d32f2f;
    margin-left: 5px;
}
.campaign-plan td:nth-child(3) {
    background-color: #ffe0b2;
}
.campaign-plan td:nth-child(4) {
    color: #d32f2f;
    font-weight: 900;
}


/* ==================================== */
/* 6. LINE予約ボタン */
/* ==================================== */
.monitor-section {
    margin-top: 40px;
    margin-bottom: 60px;
}

.apply-button {
    position: relative; 
    overflow: hidden;   
    display: inline-block;
    padding: 18px 35px;
    font-size: 20px;
    color: #fff;
    background: var(--accent-color);
    border: none;
    cursor: pointer;
    font-weight: 700;
    border-radius: 10px; 
    text-align: center;
    text-decoration: none;
    transition: all 0.3s ease; 
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
    animation: pulse-animation 2s infinite;
}

.apply-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(
        90deg,
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 0.4) 50%,
        rgba(255, 255, 255, 0) 100%
    );
    transform: skewX(-25deg);
    transition: left 0.8s ease;
}

.apply-button:hover {
    background: #00a000;
    transform: scale(1.08) translateY(-3px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.35);
}

.apply-button:hover::before {
    left: 150%;
}

.apply-button:active {
    transform: scale(1.03); 
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

@keyframes pulse-animation {
    0% { transform: scale(1); }
    50% { transform: scale(1.03); }
    100% { transform: scale(1); }
}

/* ==================================== */
/* 7. トレーナー紹介 */
/* ==================================== */
.trainer-profile {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 30px;
    text-align: left;
    margin-bottom: 40px;
    background: var(--light-gray);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: inset 0 0 10px rgba(0,0,0,0.05);
}

.trainer-profile img {
    width: 280px;
    height: auto;
    border-radius: var(--border-radius);
    box-shadow: 0px 4px 12px rgba(0, 0, 0, 0.15);
    flex-shrink: 0;
}

.trainer-info {
    flex: 1;
}

.trainer-info h3 {
    font-size: 26px;
    color: var(--primary-color);
    margin-bottom: 15px;
    border-bottom: 2px solid var(--primary-color);
    display: inline-block;
    padding-bottom: 8px;
}

.trainer-info p {
    font-size: 16px;
    color: var(--dark-gray);
    line-height: 1.7;
}

.trainer-video {
    margin: 50px auto;
    max-width: 800px;
}
.trainer-video iframe {
    width: 100%;
    height: 450px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.trainer-details {
    background: #fefefe;
    padding: 30px;
    border-radius: var(--border-radius);
    margin-top: 40px;
    text-align: left;
    border: 1px solid var(--medium-gray);
}

.trainer-details h3 {
    font-size: 22px;
    color: var(--dark-gray);
    margin-bottom: 20px;
}

.trainer-details p {
    margin-bottom: 8px;
    font-size: 15px;
    display: flex;
    align-items: flex-start;
}

.trainer-details p strong {
    display: inline-block;
    min-width: 120px;
    color: var(--primary-color);
    flex-shrink: 0;
}

/* ==================================== */
/* 8. お客様インタビュー & FAQ */
/* ==================================== */
.tabs {
    display: flex;
    flex-wrap: wrap;
    margin-bottom: 30px;
    border-bottom: 2px solid var(--medium-gray);
    justify-content: center;
}

.tab-button {
    padding: 12px 25px;
    background: var(--light-gray);
    border: none;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
    margin-right: 8px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 16px;
    color: var(--dark-gray);
}

.tab-button:hover {
    background: var(--medium-gray);
}

.tab-button.active {
    background: var(--primary-color);
    color: white;
    font-weight: 700;
    border-bottom: none;
    transform: translateY(2px);
    box-shadow: 0 -2px 8px rgba(0,0,0,0.1);
}

.interview-content {
    display: none;
    animation: fadeIn 0.5s ease-out;
}

.interview-content.active {
    display: block;
}

.interview {
    background: #fefefe;
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: left;
    margin-top: 20px;
    border: 1px solid var(--medium-gray);
}

.interview h3 {
    font-size: 22px;
    color: var(--primary-color);
    font-weight: 700;
    margin-bottom: 20px;
    border-bottom: 1px solid rgba(0, 115, 230, 0.3);
    padding-bottom: 10px;
}

.profile-box {
    background: #e9f5ff;
    padding: 20px;
    border-radius: var(--border-radius);
    margin-bottom: 25px;
    border-left: 5px solid var(--primary-color);
}
.profile-box p {
    font-size: 15px;
    margin-bottom: 5px;
}

.question {
    font-weight: 700;
    margin-top: 25px;
    color: var(--primary-color);
    font-size: 17px;
}

.full-text {
    display: none;
    margin-top: 20px;
}

.read-more {
    display: block;
    margin: 25px auto 0;
    padding: 10px 22px;
    font-size: 15px;
    color: #fff;
    background: var(--primary-color);
    border: none;
    cursor: pointer;
    font-weight: 700;
    border-radius: 50px;
    text-align: center;
    width: fit-content;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.read-more:hover {
    background: #0056b3;
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
}

.interview-image {
    width: 100%;
    max-width: 650px;
    display: block;
    margin: 20px auto;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.faq-section {
    max-width: 800px;
    margin: 60px auto;
}
.faq-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
    text-align: left;
    margin-top: 30px;
}
.faq-item {
    border: 1px solid var(--medium-gray);
    border-radius: var(--border-radius);
    background: #fff;
    transition: box-shadow 0.3s ease;
}
.faq-item[open] {
    box-shadow: var(--box-shadow);
}
.faq-item summary {
    font-size: 18px;
    font-weight: 700;
    padding: 20px;
    cursor: pointer;
    position: relative;
    list-style: none;
    color: var(--primary-color);
}
.faq-item summary::-webkit-details-marker {
    display: none;
}
.faq-item summary::after {
    content: '+';
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 24px;
    font-weight: 300;
    transition: transform 0.3s ease;
}
.faq-item[open] summary::after {
    transform: translateY(-50%) rotate(45deg);
}
.faq-answer {
    padding: 0 20px 20px 20px;
    color: var(--dark-gray);
    line-height: 1.7;
}

/* ==================================== */
/* 9. 体験トレーニング動画セクション */
/* ==================================== */
.trial-section {
    margin: 60px auto;
    padding: 30px;
    background: #fff;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    max-width: 960px;
}
.trial-section h2 {
    color: var(--primary-color);
    font-size: 30px;
}
.trial-section p {
    font-size: 18px;
    margin-bottom: 30px;
    color: var(--dark-gray);
}
.trial-video iframe {
    width: 100%;
    max-width: 700px;
    height: 400px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

/* ==================================== */
/* 10. アクセス動画セクション */
/* ==================================== */
.access-videos {
    max-width: 960px;
    margin: 60px auto 30px;
    text-align: center;
    padding: 30px;
    background: var(--light-gray);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.access-videos h2 {
    font-size: 30px;
    color: var(--primary-color);
    border-bottom: 2px solid var(--primary-color);
    display: inline-block;
    padding-bottom: 10px;
    margin-bottom: 40px;
}

.video-wrapper {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    justify-content: center;
    margin-top: 30px;
}

.video-item {
    flex: 1;
    min-width: 300px;
    max-width: 450px;
    background: #fff;
    border-radius: var(--border-radius);
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    overflow: hidden;
    padding-bottom: 15px;
}
.video-item iframe {
    width: 100%;
    height: 250px;
    border: none;
    display: block;
    margin-bottom: 10px;
}

.video-caption {
    margin-top: 8px;
    font-size: 15px;
    color: var(--dark-gray);
    font-weight: 500;
    padding: 0 10px;
}

/* ==================================== */
/* 11. フローティングキャンペーンバナー & ポップアップ */
/* ==================================== */
.floating-campaign-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: linear-gradient(90deg, var(--accent-color), var(--campaign-color)); 
    color: #fff;
    padding: 15px 20px;
    box-shadow: 0 -4px 15px rgba(0,0,0,0.25);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    transform: translateY(100%);
    animation: slideUp 0.8s 1s ease-out forwards;
    text-shadow: 1px 1px 3px rgba(0,0,0,0.4);
    font-weight: 500;
}

.floating-campaign-banner .banner-content {
    display: flex;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap; 
    justify-content: center;
    padding-right: 40px;
}

.floating-campaign-banner .campaign-highlight {
    font-weight: 900;
    font-size: 20px;
}

.floating-campaign-banner .campaign-details {
    font-size: 17px;
}

.floating-campaign-banner .price {
    font-size: 26px;
    margin: 0 5px;
    color: #fff000;
    font-weight: 900;
}

.floating-campaign-banner .banner-button {
    background-color: #fff;
    color: var(--accent-color);
    padding: 10px 20px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
    margin-left: 10px;
    white-space: nowrap; 
    font-size: 16px;
}

.floating-campaign-banner .banner-button:hover {
    background-color: #f0f0f0;
    transform: scale(1.05);
}

.floating-campaign-banner .close-banner {
    position: absolute;
    top: 50%;
    right: 15px;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: #fff;
    font-size: 30px;
    font-weight: 300;
    cursor: pointer;
    padding: 0 10px;
    line-height: 1;
    opacity: 0.8;
    transition: opacity 0.3s;
}
.floating-campaign-banner .close-banner:hover {
    opacity: 1;
}

@keyframes slideUp {
    from { transform: translateY(100%); }
    to { transform: translateY(0); }
}

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.75);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    transition: opacity 0.3s ease;
}
.modal-overlay.visible {
    display: flex;
    opacity: 1;
}
.modal-content {
    background: white;
    padding: 30px 40px;
    border-radius: var(--border-radius);
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    position: relative;
    max-width: 500px;
    width: 90%;
    text-align: center;
    transform: scale(0.9);
    transition: transform 0.3s ease;
}
.modal-overlay.visible .modal-content {
    transform: scale(1);
}
.modal-content .close-modal {
    position: absolute;
    top: 10px;
    right: 15px;
    background: none;
    border: none;
    font-size: 30px;
    color: #aaa;
    cursor: pointer;
    transition: color 0.3s;
}
.close-modal:hover {
    color: #333;
}
.modal-content h3 {
    color: var(--primary-color);
    font-size: 24px;
    font-weight: 900;
    margin-bottom: 15px;
}
.modal-content p {
    font-size: 16px;
    color: var(--dark-gray);
    margin-bottom: 25px;
}
.modal-content .price-highlight {
    color: #d32f2f;
    font-size: 36px;
    font-weight: 900;
}
.modal-content .modal-button {
    display: inline-block;
    width: 90%;
    padding: 15px;
    background: var(--accent-color);
    color: white;
    text-decoration: none;
    font-size: 18px;
    font-weight: 700;
    border-radius: var(--border-radius);
    transition: background 0.3s;
}
.modal-button:hover {
    background: #00a000;
}

/* ==================================== */
/* 13. BLOG STYLES */
/* ==================================== */
.blog-intro {
    font-size: 18px;
    max-width: 600px;
    margin: -20px auto 40px auto;
}
.blog-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}
.blog-card {
    background: #fff;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-decoration: none;
    color: var(--text-color);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
}
.blog-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.12);
}
.blog-card-image {
    position: relative; /* カテゴリーバッジの基準位置 */
}
.blog-card-image img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}
.blog-card-category {
    position: absolute;
    top: 15px;
    left: 15px;
    background-color: var(--primary-color);
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 50px;
    z-index: 10;
}
.blog-card-content {
    padding: 20px;
    text-align: left;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}
.blog-card-date {
    font-size: 13px;
    color: var(--dark-gray);
    margin-bottom: 8px;
}
.blog-card-title {
    font-size: 18px;
    font-weight: 700;
    margin: 0 0 10px 0;
    line-height: 1.4;
    color: var(--primary-color);
}
.blog-card-excerpt {
    font-size: 14px;
    margin: 0;
    line-height: 1.6;
    flex-grow: 1;
}

.article-container {
    max-width: 750px;
    text-align: left;
}
.article-header {
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--medium-gray);
}
.article-header h1 {
    font-size: 32px;
    line-height: 1.3;
    margin: 0;
}
.article-meta {
    font-size: 14px;
    color: var(--dark-gray);
    margin-top: 10px;
}
.article-image {
    margin-bottom: 30px;
}
.article-image img {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius);
}
.article-content h2 {
    font-size: 24px;
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 8px;
    margin-top: 40px;
    margin-bottom: 20px;
    display: block;
}
.article-content h3 {
    font-size: 20px;
    border-left: 4px solid var(--primary-color);
    padding-left: 15px;
    margin-top: 30px;
    margin-bottom: 15px;
}
.article-content p {
    font-size: 16px;
    line-height: 1.8;
}
.article-content ul {
    padding-left: 20px;
    list-style-type: "✓ ";
}
.article-content li {
    margin-bottom: 10px;
    padding-left: 5px;
}
.article-cta {
    text-align: center;
    margin-top: 50px;
}

.blog-category {
    margin-bottom: 60px;
}

.category-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    text-align: left;
    margin-bottom: 25px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--medium-gray);
    display: block;
}

/* ==================================== */
/* 14. レスポンシブデザイン */
/* ==================================== */
@media (max-width: 992px) {
    .container, .pricing-section, .trial-section, .access-videos {
        margin: 40px auto;
        padding: 25px;
    }
    h2 { font-size: 28px; margin-bottom: 30px;}
    h3 { font-size: 20px; margin-bottom: 15px;}
    .hero-section img { height: 350px; }
    .text-overlay { font-size: 28px; padding: 20px 30px; }
    .info-container p, .achievement-description { font-size: 16px; }
    .success-cases { grid-template-columns: 1fr; max-width: 450px; margin: 40px auto 0; }
    .before-after { flex-direction: row; justify-content: center; }
    .ba-image-container { width: 160px; height: 210px; }
    .step img { width: 80px; height: 80px; }
    .step-text h3 { font-size: 18px; }
    .example { font-size: 13px; }
    .pricing-table th, .pricing-table td { font-size: 14px; padding: 12px 8px; }
    .campaign-plan td { font-size: 15px; }
    .campaign-price { font-size: 22px; }
    .apply-button { padding: 15px 30px; font-size: 18px; }
    .trainer-profile { flex-direction: column; text-align: center; gap: 20px; padding: 25px;}
    .trainer-profile img { width: 60%; max-width: 250px; margin-bottom: 15px; }
    .trainer-info h3 { font-size: 22px; display: block; border-bottom: none; }
    .trainer-info p { text-align: center; }
    .trainer-video iframe { height: 350px; }
    .trainer-details p { font-size: 14px; flex-direction: column; align-items: center; }
    .trainer-details p strong { min-width: auto; margin-bottom: 5px; }
    .tab-button { font-size: 15px; padding: 10px 20px; margin-right: 5px; margin-bottom: 5px; }
    .interview h3 { font-size: 20px; }
    .read-more { font-size: 14px; padding: 10px 20px; }
    .trial-video iframe { height: 300px; }
    .video-item { min-width: 280px; }
    .video-item iframe { height: 200px; }
    .floating-campaign-banner .campaign-highlight { font-size: 18px; }
    .floating-campaign-banner .campaign-details { font-size: 15px; }
    .floating-campaign-banner .price { font-size: 22px; }
    .floating-campaign-banner .banner-button { padding: 8px 15px; font-size: 14px; }
    .article-header h1 { font-size: 28px; }
    .category-title { font-size: 22px; }
}

@media (max-width: 768px) {
    body { 
        padding-bottom: 100px; 
        font-size: 14px;
    } 
    .container {
        padding: 20px;
    }
    .page-header {
        padding: 10px 15px;
    }
    .page-header .logo {
        font-size: 20px;
    }
    .page-header nav {
        display: none;
    }
    .hero-section img { height: 250px; }
    .text-overlay { font-size: 18px; line-height: 1.4; padding: 15px; white-space: normal; width: 85%;}
    h2 { font-size: 21px; padding-bottom: 8px; margin-bottom: 25px; }
    h3 { font-size: 18px; margin-bottom: 15px; }
    p { font-size: 14px; line-height: 1.7; }
    .info-container, .achievement-description { font-size: 14px; margin: 30px auto; padding: 20px;}
    
    .case-item { 
        padding: 15px; 
        border: 1px solid var(--medium-gray);
    }
    .case-item h3 { font-size: 18px; }
    .case-study-details h4 { font-size: 16px; }
    .case-study-details p { font-size: 14px; margin-bottom: 15px; }
    .case-study-result .highlight { font-size: 16px; }
    
    .before-after { flex-direction: row; gap: 10px; }
    .ba-image-container { width: 100%; height: 180px; }

    .step { flex-direction: column; text-align: center; padding: 20px; align-items: center;}
    .step::before { top: 10px; left: 50%; transform: translateX(-50%); }
    .step img { margin: 0 auto 10px auto; width: 80px; height: 80px; }
    .step-text h3 { padding-left: 0; margin-top: 15px; font-size: 17px;}
    .example { font-size: 12px; }
    .pricing-table { min-width: 500px; }
    .pricing-table th, .pricing-table td { font-size: 11px; padding: 8px 4px; }
    .campaign-plan td { font-size: 12px; }
    .campaign-price { font-size: 18px; }
    .apply-button { padding: 12px 25px; font-size: 16px; margin-bottom: 40px; }
    .trainer-profile img { width: 70%; max-width: 180px; }
    .trainer-info h3 { font-size: 20px; }
    .trainer-info p { font-size: 14px; }
    .trainer-video iframe { height: 220px; }
    .trainer-details p { font-size: 13px; }
    .tabs { flex-direction: column; border-bottom: none; gap: 4px; }
    .tab-button { width: 90%; margin: 0 auto 5px auto; border-radius: 5px; font-size: 14px; padding: 10px 15px;}
    .interview { padding: 15px; }
    .interview h3 { font-size: 17px; }
    .profile-box p { font-size: 13px; }
    .question { font-size: 14px; }
    .read-more { font-size: 13px; padding: 8px 18px; }
    .faq-item summary { font-size: 16px; padding: 15px; }
    .faq-answer { padding: 0 15px 15px 15px; }

    .modal-content h3 { font-size: 20px; }
    .modal-content p { font-size: 14px; }
    .modal-content .price-highlight { font-size: 30px; }
    .modal-content .modal-button { font-size: 16px; padding: 12px; }

    .trial-video iframe { height: 220px; }
    .video-item iframe { height: 180px; }
    .floating-campaign-banner { padding: 10px; }
    .floating-campaign-banner .banner-content { flex-direction: column; gap: 4px; text-align: center; padding-right: 0; }
    .floating-campaign-banner .close-banner { top: 5px; right: 5px; transform: none; font-size: 24px;}
    .floating-campaign-banner .banner-button { margin-top: 5px; margin-left: 0; width: 80%; }
    .floating-campaign-banner .campaign-highlight { font-size: 15px; }
    .floating-campaign-banner .campaign-details { font-size: 12px; }
    .floating-campaign-banner .price { font-size: 18px; }
    
    .blog-intro { font-size: 16px; }
    .article-header h1 { font-size: 24px; }
    .article-content h2 { font-size: 20px; }
    .article-content p { font-size: 15px; line-height: 1.8; }
    .category-title { font-size: 20px; }
}

/* ==================================== */
/* 15. スクロールインジケーター */
/* ==================================== */
.scroll-indicator {
    display: none;
}

@keyframes pulse-indicator {
    0% { box-shadow: 0 0 5px rgba(0, 115, 230, 0); }
    50% { box-shadow: 0 0 10px rgba(0, 115, 230, 0.3); }
    100% { box-shadow: 0 0 5px rgba(0, 115, 230, 0); }
}

@media (max-width: 768px) {
    .scroll-indicator {
        display: block;
        text-align: center;
        font-size: 14px;
        font-weight: 500;
        color: var(--dark-gray);
        background-color: #e9f5ff;
        padding: 8px 12px;
        border-radius: var(--border-radius);
        margin: 0 auto 15px auto;
        max-width: 90%;
        animation: pulse-indicator 2.5s infinite ease-in-out;
    }
}