/* ==================== 変数定義 ==================== */
:root {
    /* カラーパレット */
    --primary-color: #9d7bd8;
    --primary-light: #b89de6;
    --primary-dark: #7a5cb0;
    --secondary-color: #e8b4d9;
    --accent-color: #ffd700;
    
    /* ニュートラルカラー */
    --white: #ffffff;
    --off-white: #fdfbf9;
    --light-bg: #f9f6f3;
    --gray-light: #e8e5e1;
    --gray: #a39d96;
    --gray-dark: #5a5551;
    --text-dark: #2d2a27;
    --black: #1a1715;
    
    /* タイポグラフィ */
    --font-primary: 'Noto Sans JP', sans-serif;
    --font-serif: 'Noto Serif JP', serif;
    
    --font-size-xl: 3.5rem;
    --font-size-lg: 2.5rem;
    --font-size-md: 1.5rem;
    --font-size-base: 1rem;
    --font-size-sm: 0.875rem;
    
    /* スペーシング */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* その他 */
    --border-radius: 12px;
    --box-shadow: 0 8px 24px rgba(157, 123, 216, 0.12);
    --box-shadow-hover: 0 12px 32px rgba(157, 123, 216, 0.18);
    --transition: all 0.3s ease;
    
    /* ヘッダー高さ */
    --header-height: 4.5rem;
}

/* ==================== リセット ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    color: var(--text-dark);
    background-color: var(--off-white);
    line-height: 1.7;
    overflow-x: hidden;
}

/* ==================== 共通スタイル ==================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section {
    padding: var(--spacing-xl) 0;
}

.section__header {
    margin-bottom: var(--spacing-lg);
}

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

.section__subtitle {
    display: inline-block;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: var(--spacing-sm);
}

.section__title {
    font-family: var(--font-serif);
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
    line-height: 1.3;
}

.section__description {
    font-size: 1.125rem;
    color: var(--gray-dark);
    max-width: 700px;
}

.section__header.center .section__description {
    margin: 0 auto;
}

/* ボタン */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    font-size: var(--font-size-base);
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--border-radius);
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-family: var(--font-primary);
}

.btn--primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--white);
    box-shadow: var(--box-shadow);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--box-shadow-hover);
}

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

.btn--outline:hover {
    background: var(--primary-color);
    color: var(--white);
}

.btn--full {
    width: 100%;
    justify-content: center;
}

/* ==================== ヘッダー・ナビゲーション ==================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    z-index: 100;
    transition: var(--transition);
}

.nav {
    height: var(--header-height);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav__brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-dark);
}

.nav__brand i {
    font-size: 1.75rem;
    color: var(--primary-color);
}

.nav__list {
    display: flex;
    align-items: center;
    gap: 2rem;
    list-style: none;
}

.nav__link {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

.nav__link:hover {
    color: var(--primary-color);
}

.nav__link:hover::after {
    width: 100%;
}

.nav__toggle,
.nav__close {
    display: none;
}

/* ==================== ヒーローセクション ==================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--header-height);
    position: relative;
    background: linear-gradient(135deg, #fdfbf9 0%, #f9f6f3 100%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(157, 123, 216, 0.1), transparent);
    border-radius: 50%;
    z-index: 0;
}

.hero__container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: var(--spacing-lg);
    position: relative;
    z-index: 1;
}

.hero__content {
    animation: fadeInLeft 1s ease;
}

.hero__title {
    font-family: var(--font-serif);
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-dark);
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

.hero__subtitle {
    display: block;
    font-size: 2rem;
    color: var(--primary-color);
    margin-top: var(--spacing-sm);
}

.hero__description {
    font-size: 1.125rem;
    color: var(--gray-dark);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.hero__buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero__image {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeInRight 1s ease;
}

.hero__circle {
    position: absolute;
    width: 450px;
    height: 450px;
    background: linear-gradient(135deg, var(--primary-light), var(--secondary-color));
    border-radius: 50%;
    opacity: 0.3;
    filter: blur(60px);
    z-index: 0;
}

.hero__img {
    position: relative;
    width: 400px;
    height: 400px;
    object-fit: cover;
    border-radius: 50%;
    border: 10px solid var(--white);
    box-shadow: var(--box-shadow-hover);
    z-index: 1;
}

.hero__scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.hero__scroll-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--gray);
    text-decoration: none;
    font-size: 0.875rem;
    transition: var(--transition);
}

.hero__scroll-link:hover {
    color: var(--primary-color);
}

/* ==================== ご挨拶セクション ==================== */
.welcome {
    background: var(--white);
}

.welcome__content {
    max-width: 900px;
    margin: 0 auto;
}

.welcome__text {
    text-align: center;
}

.welcome__text p {
    font-size: 1.125rem;
    line-height: 2;
    color: var(--gray-dark);
    margin-bottom: var(--spacing-md);
}

/* ==================== プロフィールセクション ==================== */
.about {
    background: var(--light-bg);
}

.about__container {
    display: grid;
    grid-template-columns: 400px 1fr;
    gap: var(--spacing-lg);
    align-items: start;
}

.about__image {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
}

.about__img {
    width: 100%;
    height: auto;
    display: block;
    transition: var(--transition);
}

.about__image:hover .about__img {
    transform: scale(1.05);
}

.about__badge {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--white);
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: var(--box-shadow);
}

.about__content h3 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    color: var(--text-dark);
    margin: var(--spacing-md) 0 var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.about__content h3 i {
    color: var(--primary-color);
    font-size: 1.25rem;
}

.about__text {
    font-size: 1.125rem;
    color: var(--gray-dark);
    margin-bottom: var(--spacing-md);
}

.about__info {
    background: var(--white);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-md);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.about__kin {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--gray-dark);
}

.about__kin strong {
    color: var(--primary-color);
    font-size: 1.125rem;
}

.about__story,
.about__qualifications,
.about__timeline {
    margin-bottom: var(--spacing-md);
}

.about__story p {
    color: var(--gray-dark);
    margin-bottom: var(--spacing-sm);
    line-height: 1.8;
}

.qualification__list {
    list-style: none;
    display: grid;
    gap: 0.75rem;
}

.qualification__list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--gray-dark);
}

.qualification__list i {
    color: var(--primary-color);
    font-size: 1.125rem;
}

/* タイムライン */
.timeline {
    position: relative;
    padding-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--primary-color), var(--primary-light));
}

.timeline__item {
    position: relative;
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
}

.timeline__item::before {
    content: '';
    position: absolute;
    left: -2.375rem;
    top: 0.25rem;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--primary-color);
    border: 3px solid var(--white);
    box-shadow: 0 0 0 2px var(--primary-light);
}

.timeline__year {
    display: block;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 0.25rem;
}

.timeline__event {
    display: block;
    color: var(--gray-dark);
}

/* ==================== サービスセクション ==================== */
.services {
    background: var(--white);
}

.services__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-md);
}

.service__card {
    background: var(--light-bg);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
    position: relative;
}

.service__card:hover {
    transform: translateY(-8px);
    box-shadow: var(--box-shadow-hover);
}

.service__card--featured {
    background: linear-gradient(135deg, rgba(157, 123, 216, 0.1), rgba(232, 180, 217, 0.1));
    border: 2px solid var(--primary-light);
}

.service__badge {
    position: absolute;
    top: -12px;
    right: var(--spacing-md);
    background: var(--accent-color);
    color: var(--text-dark);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    box-shadow: var(--box-shadow);
}

.service__icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    box-shadow: var(--box-shadow);
}

.service__icon i {
    font-size: 2rem;
    color: var(--white);
}

.service__title {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
}

.service__description {
    color: var(--gray-dark);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.service__features {
    list-style: none;
    margin-bottom: var(--spacing-md);
}

.service__features li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--gray-dark);
    margin-bottom: 0.75rem;
}

.service__features i {
    color: var(--primary-color);
}

.service__curriculum {
    background: var(--white);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-md);
}

.service__curriculum h4 {
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
    font-size: 1.125rem;
}

.service__curriculum ul {
    list-style: none;
}

.service__curriculum li {
    color: var(--gray-dark);
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--gray-light);
}

.service__curriculum li:last-child {
    border-bottom: none;
}

.service__price {
    background: var(--white);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-sm);
}

.price__label {
    display: block;
    font-size: 0.875rem;
    color: var(--gray);
    margin-bottom: 0.75rem;
}

.price__options {
    display: grid;
    gap: 0.75rem;
}

.price__option {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.price__time {
    color: var(--gray-dark);
}

.price__amount {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-color);
}

.price__single {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.price__single .price__amount {
    font-size: 2rem;
}

.service__note {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--gray);
    font-size: 0.875rem;
}

.service__note i {
    color: var(--primary-color);
}

/* ==================== 講座セクション ==================== */
.courses {
    background: var(--light-bg);
}

.courses__grid {
    display: grid;
    gap: var(--spacing-md);
}

.course__card {
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.course__header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: var(--spacing-md);
}

.course__header i {
    font-size: 2.5rem;
    color: var(--primary-color);
}

.course__title {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    color: var(--text-dark);
}

.course__description {
    color: var(--gray-dark);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.course__details {
    background: var(--light-bg);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-md);
}

.course__details h4 {
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
}

.course__details ul {
    list-style: none;
}

.course__details li {
    color: var(--gray-dark);
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.course__details li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

.course__types {
    display: grid;
    gap: var(--spacing-md);
}

.course__type {
    background: var(--light-bg);
    padding: 1.5rem;
    border-radius: var(--border-radius);
}

.course__type h4 {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
    font-size: 1.125rem;
}

.course__type h4 i {
    color: var(--primary-color);
}

.course__type p {
    color: var(--gray-dark);
    margin-bottom: var(--spacing-sm);
}

.course__type-price {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--gray-light);
}

.course__type-price span {
    color: var(--gray-dark);
}

.course__type-price strong {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    color: var(--primary-color);
}

.course__info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 2px solid var(--gray-light);
}

.course__duration {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--gray-dark);
}

.course__duration i {
    color: var(--primary-color);
}

.course__price {
    text-align: right;
}

.course__price .price__label {
    font-size: 0.875rem;
    color: var(--gray);
    margin-bottom: 0.25rem;
}

.course__price .price__amount {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 600;
    color: var(--primary-color);
}

/* ==================== お客様の声セクション ==================== */
.testimonials {
    background: var(--white);
}

.testimonials__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-md);
}

.testimonial__card {
    background: var(--light-bg);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.testimonial__card:hover {
    transform: translateY(-4px);
    box-shadow: var(--box-shadow);
}

.testimonial__rating {
    display: flex;
    gap: 0.25rem;
    margin-bottom: var(--spacing-sm);
}

.testimonial__rating i {
    color: var(--accent-color);
    font-size: 1.125rem;
}

.testimonial__text {
    color: var(--gray-dark);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
    font-style: italic;
}

.testimonial__author {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.testimonial__author strong {
    color: var(--text-dark);
    font-size: 1.125rem;
}

.testimonial__author span {
    color: var(--gray);
    font-size: 0.875rem;
}

/* ==================== 料金表セクション ==================== */
.pricing {
    background: var(--light-bg);
}

.pricing__table {
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    overflow-x: auto;
}

.pricing__table table {
    width: 100%;
    border-collapse: collapse;
    table-layout: fixed;
}

.pricing__table thead {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
}

.pricing__table th {
    color: var(--white);
    padding: 1.25rem;
    text-align: left;
    font-weight: 600;
}

.pricing__table th:nth-child(1) {
    width: 45%;
}

.pricing__table th:nth-child(2) {
    width: 30%;
}

.pricing__table th:nth-child(3) {
    width: 25%;
}

.pricing__table td {
    padding: 1.25rem;
    border-bottom: 1px solid var(--gray-light);
    color: var(--gray-dark);
}

.pricing__table tr:last-child td {
    border-bottom: none;
}

.pricing__table tbody tr:hover {
    background: var(--light-bg);
}

.pricing__table strong {
    color: var(--text-dark);
}

.pricing__note {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-top: var(--spacing-md);
    padding: 1rem;
    background: var(--light-bg);
    border-radius: var(--border-radius);
}

.pricing__note i {
    color: var(--primary-color);
    font-size: 1.25rem;
}

.pricing__note p {
    color: var(--gray-dark);
    margin: 0;
}

/* ==================== Q&Aセクション ==================== */
.faq {
    background: var(--white);
}

.faq__container {
    max-width: 800px;
    margin: 0 auto;
}

.faq__item {
    background: var(--light-bg);
    margin-bottom: 1rem;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.faq__question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
}

.faq__question:hover {
    background: var(--white);
}

.faq__question h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-dark);
    margin: 0;
}

.faq__question i {
    color: var(--primary-color);
    font-size: 1.25rem;
    transition: var(--transition);
}

.faq__item.active .faq__question i {
    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 p {
    padding: 0 1.5rem 1.5rem;
    color: var(--gray-dark);
    line-height: 1.8;
}

/* ==================== お問い合わせセクション ==================== */
.contact {
    background: var(--light-bg);
}

.contact__container {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-lg);
}

.contact__info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.contact__info-item {
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    display: flex;
    gap: 1.5rem;
}

.contact__icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact__icon i {
    font-size: 1.5rem;
    color: var(--white);
}

.contact__details h3 {
    font-size: 1.125rem;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.contact__details p {
    color: var(--gray-dark);
    line-height: 1.6;
}

.contact__link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    margin-top: 0.5rem;
    transition: var(--transition);
}

.contact__link:hover {
    gap: 0.75rem;
}

.contact__form-container {
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.contact__form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form__group {
    display: flex;
    flex-direction: column;
}

.form__group label {
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.required {
    color: #e74c3c;
}

.form__group input,
.form__group select,
.form__group textarea {
    padding: 0.875rem;
    border: 2px solid var(--gray-light);
    border-radius: var(--border-radius);
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    color: var(--text-dark);
    transition: var(--transition);
}

.form__group input:focus,
.form__group select:focus,
.form__group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form__group textarea {
    resize: vertical;
    min-height: 120px;
}

/* CTA Cards */
.contact__cta {
    display: grid;
    gap: var(--spacing-md);
}

.contact__cta-card {
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    text-align: center;
    transition: var(--transition);
}

.contact__cta-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--box-shadow-hover);
}

.contact__cta-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #06c755, #00b900);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    box-shadow: var(--box-shadow);
}

.contact__cta-icon--instagram {
    background: linear-gradient(135deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888);
}

.contact__cta-icon i {
    font-size: 2.5rem;
    color: var(--white);
}

.contact__cta-card h3 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
}

.contact__cta-card p {
    color: var(--gray-dark);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.contact__cta-card .btn {
    margin-top: var(--spacing-sm);
}

/* ==================== フッター ==================== */
.footer {
    background: linear-gradient(135deg, #f5f0f6 0%, #e8dff0 100%);
    color: var(--text-dark);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.footer__content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.footer__section {
    display: flex;
    flex-direction: column;
}

.footer__brand {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: var(--spacing-sm);
}

.footer__brand i {
    font-size: 2rem;
    color: var(--primary-color);
}

.footer__brand h3 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 600;
}

.footer__brand p {
    font-size: 0.875rem;
    color: var(--gray-dark);
}

.footer__description {
    color: var(--gray-dark);
    line-height: 1.8;
}

.footer__title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-color);
}

.footer__links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer__links a {
    color: var(--gray-dark);
    text-decoration: none;
    transition: var(--transition);
}

.footer__links a:hover {
    color: var(--primary-color);
    padding-left: 0.5rem;
}

.footer__social {
    display: flex;
    gap: 1rem;
    margin-bottom: var(--spacing-sm);
}

.footer__social-link {
    width: 45px;
    height: 45px;
    background: rgba(157, 123, 216, 0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    text-decoration: none;
    font-size: 1.25rem;
    transition: var(--transition);
}

.footer__social-link:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
}

.footer__social-text {
    color: var(--gray-dark);
    font-size: 0.875rem;
    line-height: 1.6;
}

.footer__bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(157, 123, 216, 0.2);
    color: var(--gray-dark);
    font-size: 0.875rem;
}

/* ==================== トップへ戻るボタン ==================== */
.scrolltop {
    position: fixed;
    right: 2rem;
    bottom: -20%;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.25rem;
    text-decoration: none;
    box-shadow: var(--box-shadow);
    z-index: 99;
    transition: var(--transition);
}

.scrolltop:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow-hover);
}

.scrolltop.show-scroll {
    bottom: 2rem;
}

/* ==================== アニメーション ==================== */
@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes bounce {
    0%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    50% {
        transform: translateX(-50%) translateY(10px);
    }
}

/* ==================== レスポンシブデザイン ==================== */
@media screen and (max-width: 968px) {
    :root {
        --font-size-xl: 2.5rem;
        --font-size-lg: 2rem;
        --font-size-md: 1.25rem;
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }
    
    .nav__menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        height: 100vh;
        background: var(--white);
        padding: 6rem 2rem 2rem;
        box-shadow: -2px 0 12px rgba(0, 0, 0, 0.1);
        transition: var(--transition);
        z-index: 100;
    }
    
    .nav__menu.show-menu {
        right: 0;
    }
    
    .nav__list {
        flex-direction: column;
        align-items: flex-start;
        gap: 2rem;
    }
    
    .nav__toggle,
    .nav__close {
        display: block;
        font-size: 1.5rem;
        color: var(--text-dark);
        cursor: pointer;
    }
    
    .nav__close {
        position: absolute;
        top: 1.5rem;
        right: 2rem;
    }
    
    .hero__container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero__image {
        order: -1;
    }
    
    .hero__img {
        width: 300px;
        height: 300px;
    }
    
    .hero__buttons {
        justify-content: center;
    }
    
    .about__container {
        grid-template-columns: 1fr;
    }
    
    .about__image {
        max-width: 400px;
        margin: 0 auto;
    }
    
    .contact__container {
        grid-template-columns: 1fr;
    }
    
    .footer__content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer__links {
        align-items: center;
    }
    
    .footer__social {
        justify-content: center;
    }
    
    .scrolltop {
        right: 1rem;
    }
    
    .scrolltop.show-scroll {
        bottom: 1rem;
    }
}

@media screen and (max-width: 576px) {
    :root {
        --font-size-xl: 2rem;
        --font-size-lg: 1.75rem;
        --spacing-md: 1.5rem;
        --spacing-lg: 2rem;
        --spacing-xl: 3rem;
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .hero__img {
        width: 250px;
        height: 250px;
    }
    
    .hero__circle {
        width: 300px;
        height: 300px;
    }
    
    .services__grid,
    .courses__grid,
    .testimonials__grid {
        grid-template-columns: 1fr;
    }
    
    .hero__buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .pricing__table {
        font-size: 0.8rem;
    }
    
    .pricing__table th,
    .pricing__table td {
        padding: 0.75rem 0.3rem;
        font-size: 0.8rem;
        line-height: 1.4;
    }
    
    .pricing__table th:nth-child(1) {
        width: 35%;
    }
    
    .pricing__table th:nth-child(2) {
        width: 40%;
        white-space: normal;
        word-wrap: break-word;
    }
    
    .pricing__table th:nth-child(3) {
        width: 25%;
    }
    
    .pricing__table td:nth-child(2) {
        white-space: normal;
        word-wrap: break-word;
    }
}

@media screen and (max-width: 360px) {
    .hero__img {
        width: 200px;
        height: 200px;
    }
    
    .service__icon {
        width: 60px;
        height: 60px;
    }
    
    .service__icon i {
        font-size: 1.5rem;
    }
    
    .pricing__table {
        font-size: 0.75rem;
    }
    
    .pricing__table th,
    .pricing__table td {
        padding: 0.6rem 0.2rem;
        font-size: 0.75rem;
    }
    
    .pricing__table th:nth-child(1) {
        width: 32%;
    }
    
    .pricing__table th:nth-child(2) {
        width: 43%;
    }
    
    .pricing__table th:nth-child(3) {
        width: 25%;
    }
}