/* =============================================== */
/* サイト全体の共通スタイル                          */
/* =============================================== */

/* --- 初期設定と変数 --- */
:root {
    --primary-color: #3d8bfd;
    --secondary-color: #ff8a00;
    --dark-color: #333;
    --light-color: #f4f4f4;
    --white-color: #fff;
    --text-color: #555;
    --font-family: 'Helvetica Neue', Arial, 'Hirino Kaku Gothic ProN', 'Hiragino Sans', Meiryo, sans-serif;
}

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

body {
    margin: 0;
    font-family: var(--font-family);
    line-height: 1.7;
    color: var(--text-color);
    background-color: var(--white-color);
}

h1,
h2,
h3 {
    color: var(--dark-color);
    line-height: 1.3;
}

h1 {
    font-size: 2.8rem;
}

h2 {
    font-size: 2.2rem;
}

h3 {
    font-size: 1.5rem;
}

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

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

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* --- ヘッダー --- */
.header {
    background-color: var(--white-color);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.header-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--dark-color);
}

.header-logo img {
    height: 40px;
}

.header-logo .site-name {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--dark-color);
}

.nav-menu {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
}

.nav-menu li {
    margin-left: 20px;
}

.nav-menu a {
    color: var(--dark-color);
    font-weight: bold;
    transition: color 0.3s ease;
}

.nav-menu a:hover {
    color: var(--primary-color);
}

.nav-toggle {
    display: none;
}

/* --- ヒーローセクション --- */
.hero {
    color: var(--white-color);
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 20px;
}

.hero h1 {
    color: var(--white-color);
    margin-bottom: 0.5em;
}

.main-hero {
    min-height: 70vh;
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('../images/hero-main.jpg') no-repeat center center/cover;
}

/* --- 汎用クラス --- */
.section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.page-header {
    background-color: var(--light-color);
    text-align: center;
    padding: 40px 20px;
}

.page-header h1 {
    margin-bottom: 0.2em;
}

.bg-light {
    background-color: var(--light-color);
}

.btn {
    display: inline-block;
    padding: 12px 28px;
    background-color: var(--primary-color);
    color: var(--white-color);
    border-radius: 5px;
    font-weight: bold;
    transition: all 0.3s ease;
}

.btn:hover {
    opacity: 0.8;
    transform: translateY(-2px);
}

.btn-outline {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-large {
    padding: 15px 40px;
    font-size: 1.2rem;
}

.text-center {
    text-align: center;
}

.bold-text {
    font-weight: bold;
    font-size: 1.2em;
}

/* --- LP誘導セクション --- */
.cta-section {
    background: linear-gradient(45deg, var(--primary-color), #5f4aff);
    color: var(--white-color);
    text-align: center;
}

.cta-section h2 {
    color: var(--white-color);
}

.cta-section .btn {
    background-color: var(--secondary-color);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.cta-section-alt {
    background: var(--secondary-color);
    color: var(--white-color);
    text-align: center;
}

.cta-section-alt h2 {
    color: var(--white-color);
}

.cta-section-alt .btn {
    background-color: var(--primary-color);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

/* --- フッター --- */
.footer {
    background-color: var(--dark-color);
    color: var(--light-color);
    text-align: center;
    padding: 20px 0;
}


/* =============================================== */
/* ▼▼▼ 各ページの専用スタイル ▼▼▼                */
/* =============================================== */

/* --- Aboutページ --- */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 50px;
    align-items: flex-start;
}

.about-image img {
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.about-content h2 {
    margin-top: 0;
}

.about-content h3 {
    color: var(--text-color);
    margin-top: -15px;
    margin-bottom: 30px;
    font-weight: normal;
}

.about-content h4 {
    margin-top: 40px;
}

.about-content ul {
    list-style: none;
    padding-left: 0;
}

.about-content ul li {
    padding-left: 1.5em;
    position: relative;
    margin-bottom: 10px;
}

.about-content ul li::before {
    content: '✔';
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

.about-cta {
    margin-top: 40px;
    display: flex;
    gap: 15px;
}

/* --- Contactページ --- */
.form-container {
    max-width: 700px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-size: 1rem;
    font-family: var(--font-family);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 5px rgba(61, 139, 253, 0.5);
}

.form-group button {
    width: 100%;
    border: none;
    cursor: pointer;
}

.contact-sns {
    margin-top: 60px;
    text-align: center;
    border-top: 1px solid #eee;
    padding-top: 40px;
}

/* --- Worksページ --- */
.works-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.work-card {
    background-color: var(--white-color);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.work-card:hover {
    transform: translateY(-5px);
}

.work-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}

.work-content {
    padding: 20px;
}

.work-content h3 {
    margin-top: 0;
    font-size: 1.3rem;
}

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

.works-category {
    margin-bottom: 60px;
    padding-bottom: 60px;
    border-bottom: 1px solid #eee;
}

.works-category:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.works-category-title {
    font-size: 2rem;
    margin-bottom: 15px;
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 10px;
    display: inline-block;
}

.works-description {
    margin-bottom: 30px;
    color: var(--text-color);
}

.video-container {
    position: relative;
    width: 100%;
    padding-top: 56.25%;
    height: 0;
    overflow: hidden;
    border-radius: 8px;
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.thumbnail-gallery {
    display: flex;
    overflow-x: auto;
    flex-wrap: nowrap;
    gap: 20px;
    padding: 10px 0;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: #ccc #f1f1f1;
}

.thumbnail-gallery::-webkit-scrollbar {
    height: 8px;
}

.thumbnail-gallery::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

.thumbnail-gallery::-webkit-scrollbar-thumb {
    background: #ccc;
    border-radius: 4px;
}

.thumbnail-gallery::-webkit-scrollbar-thumb:hover {
    background: #aaa;
}

.thumbnail-gallery img {
    width: 280px;
    height: 157px;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    scroll-snap-align: start;
    flex-shrink: 0;
}

/* --- Blogページ --- */
.loading-text {
    text-align: center;
    color: #888;
    padding: 40px 0;
}

.article-card {
    display: flex;
    background-color: #fff;
    border: 1px solid #eee;
    border-radius: 8px;
    margin-bottom: 25px;
    text-decoration: none;
    color: inherit;
    overflow: hidden;
    transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.article-card:hover {
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transform: translateY(-5px);
}

.article-thumbnail {
    width: 200px;
    height: auto;
    object-fit: cover;
    flex-shrink: 0;
}

.article-content {
    padding: 20px 25px;
}

.article-date {
    font-size: 0.9em;
    color: #888;
    margin: 0 0 10px;
}

.article-title {
    font-size: 1.3em;
    margin: 0 0 10px;
    color: #333;
}

.article-description {
    font-size: 0.9em;
    line-height: 1.7;
    color: #666;
    margin: 0;
}

/* --- ファンクラブページ (ファンクラブ誘導) --- */
.cta-fanclub {
    background-color: #f9f8f6;
    padding: 60px 0;
    text-align: center;
    border-top: 1px solid #eee;
}

.cta-fanclub h2 {
    font-size: 1.8rem;
    margin-top: 0;
    margin-bottom: 15px;
    color: #333;
}

.cta-fanclub p {
    margin-top: 0;
    margin-bottom: 30px;
    color: #666;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-fanclub .btn {
    background-color: #41c9b4;
    color: #fff;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.cta-fanclub .btn:hover {
    background-color: #38b2a0;
    opacity: 1;
}

.page-fanclub-dark {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', "ヒラギノ角ゴ Pro W3", "Hiragino Kaku Gothic Pro", "メイリオ", Meiryo, Osaka, "ＭＳ Ｐゴシック", "MS PGothic", sans-serif;
    line-height: 1.8;
}

.page-fanclub-dark .fanclub-page {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}

.page-fanclub-dark h2 {
    font-size: 1.2em;
    color: #a39e93;
}

.page-fanclub-dark .section-subtitle {
    text-align: center;
    color: #888;
    margin-top: -5px;
    margin-bottom: 50px;
    line-height: 1.7;
}

.page-fanclub-dark .fc-header {
    text-align: center;
    padding: 40px 0;
}

.page-fanclub-dark .welcome-text {
    color: #b9b5ad;
    letter-spacing: 2px;
    font-size: 0.9em;
}

.page-fanclub-dark .header-message-box {
    max-width: 600px;
    margin: 0 auto;
    padding: 25px;
    text-align: left;
    font-size: 0.95em;
}

.page-fanclub-dark .fc-experience {
    padding: 60px 0;
}

.page-fanclub-dark .experience-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.page-fanclub-dark .experience-card {
    padding: 30px;
}

.page-fanclub-dark .card-icon {
    font-size: 2em;
    margin-bottom: 15px;
}

.page-fanclub-dark .experience-card h3 {
    font-size: 1.2em;
    margin-bottom: 10px;
}

.page-fanclub-dark .fc-join {
    padding: 60px 0;
}

.page-fanclub-dark .plan-cards-container {
    display: flex;
    justify-content: center;
    align-items: stretch;
    flex-wrap: wrap;
    gap: 30px;
}

.page-fanclub-dark .plan-card {
    padding: 30px;
    width: 280px;
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.page-fanclub-dark .plan-price {
    font-size: 2.2em;
    margin: 15px 0;
}

.page-fanclub-dark .plan-price span {
    font-size: 0.5em;
    font-weight: normal;
}

.page-fanclub-dark .join-button {
    display: block;
    padding: 15px 20px;
    margin-top: 20px;
    border-radius: 50px;
    text-decoration: none;
    transition: all 0.3s ease;
}

body.page-fanclub-dark {
    background-color: #2c2c2c;
    color: #dcdcdc;
}

.page-fanclub-dark .header {
    background-color: transparent;
    box-shadow: none;
    border-bottom: 1px solid #555;
}

.page-fanclub-dark .header .nav-menu a,
.page-fanclub-dark .header .header-logo,
.page-fanclub-dark .header .site-name {
    color: #ffffff;
}

.page-fanclub-dark .header .nav-menu a:hover {
    color: #cccccc;
}

.page-fanclub-dark .header .nav-toggle span {
    background-color: #ffffff;
}

.page-fanclub-dark .fc-header h1,
.page-fanclub-dark .experience-card h3,
.page-fanclub-dark .plan-name {
    color: #f0f0f0;
}

.page-fanclub-dark .header-message-box,
.page-fanclub-dark .experience-card,
.page-fanclub-dark .plan-card {
    background-color: #3a3a3a;
    border: 1px solid #555;
}

.page-fanclub-dark .welcome-text,
.page-fanclub-dark .section-subtitle {
    color: #888;
}

.page-fanclub-dark .experience-card p,
.page-fanclub-dark .plan-price span {
    color: #bbb;
}

.page-fanclub-dark .plan-price {
    color: #41c9b4;
}

.page-fanclub-dark .join-button {
    background-color: #41c9b4;
    color: #fff;
    font-weight: bold;
}

.page-fanclub-dark .join-button:hover {
    background-color: #38b2a0;
    transform: translateY(-2px);
}

.page-fanclub-dark .join-note {
    color: #aaa;
}

/* --- ボイトレLP --- */
.boitore-hero {
    min-height: 80vh;
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('../images/hero-boitore.jpg') no-repeat center center/cover;
}

.problem-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.problem-card {
    background: var(--light-color);
    padding: 20px 30px;
    border-radius: 8px;
}

.problem-card h3 {
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 10px;
}

.problem-card ul {
    padding-left: 20px;
}

.boitore-pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    align-items: stretch;
}

.boitore-pricing-card {
    background: var(--white-color);
    border: 1px solid #eee;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
    text-align: center;
    display: flex;
    flex-direction: column;
}

.boitore-pricing-card.recommend {
    border-color: var(--secondary-color);
    transform: scale(1.05);
}

.boitore-pricing-card .price {
    font-size: 2.8rem;
    font-weight: bold;
    color: var(--dark-color);
    margin: 10px 0 0;
}

.boitore-pricing-card .price small {
    font-size: 1.2rem;
}

.boitore-pricing-card .duration {
    font-size: 1.1rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-top: -10px;
    margin-bottom: 20px;
}

.boitore-pricing-card p {
    text-align: center;
    flex-grow: 1;
}

.boitore-pricing-card .btn {
    margin-top: 20px;
}

.studio-fee-note {
    text-align: center;
    margin-top: 40px;
    padding: 20px;
    background: var(--light-color);
    border-radius: 8px;
}

/* --- フォームページのヘッダー調整 --- */
.dark-header {
    background-color: #333;
    color: #fff;
}

.dark-header h1,
.dark-header p {
    color: #fff;
}

/* =============================================== */
/* ▼▼▼ ボイトレLP（夜間特化版）専用スタイル ▼▼▼ */
/* =============================================== */

/* LP全体の背景色と文字色を調整 */
body.boitore-night {
    background-color: #2c2c2c;
    color: #dcdcdc;
}

/* ヘッダーの調整 */
.boitore-night .header {
    background-color: rgba(44, 44, 44, 0.8);
    border-bottom: 1px solid #444;
}

.boitore-night .header .header-logo,
.boitore-night .header .site-name,
.boitore-night .header .nav-menu a {
    color: #fff;
}

.boitore-night .nav-menu a:hover {
    color: var(--primary-color);
}

.boitore-night .nav-toggle span {
    background-color: #fff;
}

/* 各セクションの調整 */
.boitore-night .section-title,
.boitore-night h1,
.boitore-night h2,
.boitore-night h3 {
    color: #fff;
}

.boitore-night .problem-card {
    background: #3a3a3a;
}

.boitore-night .bg-light {
    background-color: #333;
}

.boitore-night .boitore-pricing-card,
.boitore-night .studio-fee-note {
    background-color: #3a3a3a;
    border: 1px solid #444;
}

.boitore-night .boitore-pricing-card.recommend {
    border-color: var(--secondary-color);
    transform: scale(1.05);
}

.boitore-night .boitore-pricing-card .price {
    color: #fff;
}

.boitore-night .boitore-pricing-card .duration {
    color: var(--secondary-color);
}

.boitore-night .footer {
    background-color: #222;
}

/* フォームセクションの調整 */
.boitore-night .form-container {
    background-color: #3a3a3a;
    padding: 40px;
    border-radius: 10px;
}

.boitore-night .form-group input,
.boitore-night .form-group select,
.boitore-night .form-group textarea {
    background-color: #444;
    border: 1px solid #555;
    color: #fff;
}

.boitore-night .form-group label {
    color: #dcdcdc;
}

.boitore-night .form-group input:focus,
.boitore-night .form-group select:focus,
.boitore-night .form-group textarea:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 5px rgba(61, 139, 253, 0.5);
}

body.boitore-night .form-group input::placeholder,
body.boitore-night .form-group textarea::placeholder {
    color: #aaa;
}

@media (max-width: 768px) {
    h1 {
        font-size: 2.2rem;
    }

    h2 {
        font-size: 1.8rem;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        right: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        flex-direction: column;
        align-items: center;
        padding-top: 40px;
        background-color: var(--white-color);
        transition: right 0.3s ease-in-out;
    }

    .nav-menu.active {
        right: 0;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    }

    .nav-menu li {
        margin: 20px 0;
    }

    .nav-toggle {
        display: block;
        background: none;
        border: none;
        cursor: pointer;
        padding: 0;
        width: 30px;
        height: 22px;
        position: relative;
        z-index: 101;
    }

    .nav-toggle span {
        display: block;
        width: 100%;
        height: 3px;
        background-color: var(--dark-color);
        position: absolute;
        left: 0;
        transition: all 0.3s ease;
    }

    .nav-toggle span:nth-child(1) {
        top: 0;
    }

    .nav-toggle span:nth-child(2) {
        top: 50%;
        transform: translateY(-50%);
    }

    .nav-toggle span:nth-child(3) {
        bottom: 0;
    }

    .profile-snippet {
        flex-direction: column;
        text-align: center;
    }

    .about-grid {
        grid-template-columns: 1fr;
    }

    .about-image {
        text-align: center;
        margin-bottom: 30px;
    }

    .about-image img {
        max-width: 300px;
    }

    .article-card {
        flex-direction: column;
    }

    .article-thumbnail {
        width: 100%;
        height: 180px;
    }

    .problem-grid {
        grid-template-columns: 1fr;
    }

    .boitore-pricing-card.recommend {
        transform: scale(1);
    }

    .card-grid {
        grid-template-columns: 1fr;
    }
}