/* ベース設定 */
:root {
    --primary-red: #e60012;
    --primary-red-dark: #c20010;
    --primary-red-light: #ff1a2e;
    --text-primary: #333;
    --text-secondary: #666;
    --background-light: #f8f9fa;
    --white: #fff;
    --shadow: 0 4px 20px rgba(230, 0, 18, 0.1);
    --shadow-hover: 0 8px 30px rgba(230, 0, 18, 0.2);
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "Noto Sans JP", sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--background-light);
}

.container {
    max-width: 85%;
    margin: 0 auto;
    padding: 0 2rem;
}

.accent {
    color: var(--primary-red);
    position: relative;
    text-decoration: underline;
    text-underline-offset: 4px;
}

/* ヒーローセクション */
.hero-section {
    position: relative;
    background: linear-gradient(135deg, #fff 0%, #fff5f5 100%);
    overflow: hidden;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0) rotate(0deg);
    }

    50% {
        transform: translateY(-20px) rotate(5deg);
    }
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, var(--primary-red), var(--primary-red-light));
    color: var(--white);
    padding: 0.5rem 1.2rem;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    box-shadow: 0 4px 15px rgba(230, 0, 18, 0.3);
}

.hero-title {
    font-size: 3rem;
    font-weight: 900;
    line-height: 1.3;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.note {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.hero-image {
    position: relative;
}

.hero-image img {
    width: 100%;
    border-radius: 20px;
    box-shadow: var(--shadow);
}

.floating-badge {
    position: absolute;
    background: var(--white);
    padding: 1rem 1.5rem;
    border-radius: 15px;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-weight: 600;
    animation: floatBadge 3s ease-in-out infinite;
}

.floating-badge i {
    color: var(--primary-red);
    font-size: 1.5rem;
}

.badge-1 {
    top: 10%;
    right: -10%;
}

.badge-2 {
    bottom: 15%;
    left: -15%;
    animation-delay: 1.5s;
}

@keyframes floatBadge {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-10px);
    }
}

/* コース比較セクション */
.courses-comparison {
    padding: 2rem 0;
    background: var(--white);
}

.section-title {
    font-size: 2rem;
    font-weight: 900;
    text-align: center;
    margin-bottom: 1rem;
}

.section-description {
    text-align: center;
    color: var(--text-secondary);
    font-size: 1.5rem;
    margin-bottom: 4rem;
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
    margin-top: 3rem;
}

.course-card {
    background: var(--white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    border: 2px solid transparent;
}

.course-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-red);
}

.course-card.featured {
    border-color: var(--primary-red);
    box-shadow: 0 8px 30px rgba(230, 0, 18, 0.15);
}

.course-badge {
    position: absolute;
    top: 0.2rem;
    left: 0.3rem;
    background: linear-gradient(135deg, var(--primary-red), var(--primary-red-light));
    color: var(--white);
    padding: 0.5rem 1.2rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 700;
    z-index: 10;
    box-shadow: 0 4px 15px rgba(230, 0, 18, 0.3);
}

.course-badge.recommended {
    background: linear-gradient(135deg, #ff9800, #ff5722);
}

.course-content {
    padding: 1.8rem;
    display: grid;
    margin-left: auto;
    margin-right: auto;
    justify-content: center;
}

.course-title {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    align-items: center;
    gap: 0.8rem;
    color: var(--text-primary);
    display: flex;
    margin-left: auto;
    margin-right: auto;
    margin-top: 10%;
}

.course-title i {
    color: var(--primary-red);
}

.course-subtitle {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-size: 1rem;
    margin-left: auto;
    margin-right: auto;
}

.course-features {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
    align-items: baseline;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    color: var(--text-primary);
}

.feature-item i {
    color: var(--primary-red);
    font-size: 1.1rem;
    margin-top: auto;
    margin-bottom: auto;
}

.course-features span {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-primary);
    line-height: 1.6;
}

.course-price {
    background: linear-gradient(135deg, #fff5f5, #ffe8e8);
    padding: 1.5rem;
    border-radius: 15px;
    text-align: center;
    margin-bottom: 1.5rem;
}

.price-label {
    display: block;
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.price {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--primary-red);
}

.price small {
    font-size: 1.2rem;
    font-weight: 600;
}

.btn-course {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.8rem;
    width: 60%;
    padding: 1rem;
    background: linear-gradient(135deg, var(--primary-red), var(--primary-red-light));
    color: var(--white);
    border-radius: 50px;
    font-weight: 700;
    text-decoration: none;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(230, 0, 18, 0.3);
    margin-right: auto;
    margin-left: auto;
}

.btn-course:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(230, 0, 18, 0.4);
    color: var(--background-light);
}

.features-section {
    padding: 6rem 0;
    background: var(--background-light);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.feature-card {
    background: var(--white);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-red), var(--primary-red-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

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

.feature-image {
    margin: 1.5rem 0;
    border-radius: 15px;
    overflow: hidden;
}

.feature-image img {
    width: 100%;
    height: 250px;
    object-fit: contain;
}

.feature-title {
    font-size: 1.3rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.feature-description {
    color: var(--text-secondary);
    line-height: 1.8;
    font-size: 1rem;
}

/* マイページ機能セクション */
.mypage-features {
    padding: 6rem 0;
    background: linear-gradient(135deg, #fff 0%, #fff5f5 100%);
}

.mypage-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.mypage-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, var(--primary-red), var(--primary-red-light));
    color: var(--white);
    padding: 0.5rem 1.2rem;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.mypage-title {
    font-size: 2.5rem;
    font-weight: 900;
    line-height: 1.3;
    margin-bottom: 2rem;
}

.mypage-features-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.mypage-feature-item {
    display: flex;
    gap: 1.2rem;
    align-items: flex-start;
}

.mypage-feature-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #fff5f5, #ffe8e8);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.mypage-feature-icon i {
    color: var(--primary-red);
    font-size: 1.3rem;
}

.mypage-feature-item h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.3rem;
    color: var(--text-primary);
}

.mypage-feature-item p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.btn-mypage {
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    background: linear-gradient(135deg, var(--primary-red), var(--primary-red-light));
    color: var(--white);
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 700;
    text-decoration: none;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(230, 0, 18, 0.3);
}

.btn-mypage:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(230, 0, 18, 0.4);
}

.mypage-image {
    position: relative;
}

.mypage-image img {
    width: 100%;
    border-radius: 20px;
    box-shadow: var(--shadow);
}

.mypage-floating-card {
    position: absolute;
    background: var(--white);
    padding: 1rem 1.5rem;
    border-radius: 15px;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 1rem;
    animation: floatBadge 3s ease-in-out infinite;
}

.mypage-floating-card i {
    font-size: 2rem;
    color: var(--primary-red);
}

.mypage-floating-card strong {
    display: block;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.mypage-floating-card p {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.card-1 {
    top: 10%;
    right: -10%;
}

.card-2 {
    bottom: 15%;
    left: -10%;
    animation-delay: 1.5s;
}

/* ユーザー交流会セクション */
.community-section {
    padding: 1rem 0;
    background: #fff7f9;
}

.community-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    margin-top: 3rem;
}

.community-image {
    position: relative;
}

.community-image img {
    width: 100%;
    border-radius: 20px;
    box-shadow: var(--shadow);
}

.community-badge {
    position: absolute;
    top: 1.5rem;
    left: 1.5rem;
    background: linear-gradient(135deg, var(--primary-red), var(--primary-red-light));
    color: var(--white);
    padding: 0.8rem 1.5rem;
    border-radius: 50px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: 0 4px 15px rgba(230, 0, 18, 0.3);
}

.community-subtitle {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 2rem;
    color: var(--text-primary);
}

.community-features {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.community-feature {
    display: flex;
    gap: 1.2rem;
    align-items: flex-start;
}

.community-feature i {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #fff5f5, #ffe8e8);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-red);
    font-size: 1.3rem;
    flex-shrink: 0;
}

.community-feature h4 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.3rem;
    color: var(--text-primary);
}

.community-feature p {
    color: var(--text-secondary);
    font-size: 1.3rem;
}

.btn-community {
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    background: linear-gradient(135deg, var(--primary-red), var(--primary-red-light));
    color: var(--white);
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 700;
    text-decoration: none;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(230, 0, 18, 0.3);
}

.btn-community:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(230, 0, 18, 0.4);
}

/* コース選択ガイド */
.guide-section {
    padding: 6rem 0;
    background: var(--background-light);
}

.guide-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
    margin-top: 3rem;
}

.guide-card {
    background: var(--white);
    border-radius: 20px;
    padding: 0.5rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.guide-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.guide-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-red), var(--primary-red-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    margin-left: auto;
    margin-right: auto;
}

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

.guide-card h3 {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    text-align: center;
}

.guide-course-name {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-red);
    margin-bottom: 1.5rem;
    text-align: center;
}

.guide-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
    margin-left: auto;
    margin-right: auto;
    width: fit-content;
}

.guide-list li {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    color: var(--text-primary);

}

.guide-list i {
    color: var(--primary-red);
    font-size: 1.3rem;
}

.btn-guide {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 1rem;
    background: linear-gradient(135deg, var(--primary-red), var(--primary-red-light));
    color: var(--white);
    border-radius: 50px;
    font-weight: 700;
    text-decoration: none;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(230, 0, 18, 0.3);
}

.btn-guide:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(230, 0, 18, 0.4);
    color: var(--white);
}


.guide-note {
    background: #fff5f5;
    border-left: 4px solid var(--primary-red);
    padding: 1.2rem;
    border-radius: 10px;
    margin-top: 3rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.guide-note i {
    color: var(--primary-red);
    font-size: 1.5rem;
}

.guide-note p {
    color: var(--text-primary);
    margin: 0;
}

.guide-note a {
    color: var(--primary-red);
    font-weight: 700;
    text-decoration: underline;
}

.cta-section {
    padding: 6rem 0;
    background: linear-gradient(135deg, var(--primary-red), var(--primary-red-dark));
    color: var(--white);
    text-align: center;
}

.cta-title {
    font-size: 2.5rem;
    font-weight: 900;
    margin-bottom: 1rem;
}

.cta-description {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.cta-features {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-bottom: 2.5rem;
}

.cta-feature {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-weight: 600;
}

.cta-feature i {
    font-size: 1.5rem;
}

.btn-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    background: var(--white);
    color: var(--primary-red);
    padding: 1.2rem 2.5rem;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 700;
    text-decoration: none;
    transition: var(--transition);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

.btn-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.cta-note {
    margin-top: 1rem;
    font-size: 1.3rem;
    opacity: 0.9;
    font-weight: 500;
}

@media (min-width: 1700px) {
    .community-details {
        margin-left: 25%;
    }

    .courses-grid,
    .guide-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .section-title {
        font-size: 3rem;
    }

    .section-description {
        font-size: 1.5rem;
    }

    .hero-description {
        font-size: 1.5rem;
    }

    .course-title {
        font-size: 2.2rem;
    }

    .course-subtitle {
        font-size: 1.2rem;
    }

    .course-features span {
        font-size: 1.5rem;
    }

    .feature-title {
        font-size: 1.8rem;
    }

    .feature-description {
        font-size: 1.5rem;
    }

    .community-subtitle {
        font-size: 2.5rem;
    }

    .community-feature h4 {
        font-size: 1.5rem;
    }

    .community-feature p {
        font-size: 1.3rem;
    }

    .guide-card h3 {
        font-size: 1.5rem;
    }

    .guide-course-name {
        font-size: 2rem;
    }

    .guide-list li {
        font-size: 1.5rem;
    }

    .cta-title {
        font-size: 3.5rem;
    }

    .cta-description {
        font-size: 1.5rem;
    }

    .btn-cta {
        font-size: 1.5rem;
    }

    .cta-note {
        font-size: 1.8rem;
    }

    .btn-guide {
        font-size: 1.5rem;
    }
}


@media (max-width: 1024px) {

    .hero-content,
    .mypage-content,
    .community-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .hero-image,
    .mypage-image {
        order: -1;
    }

    .courses-grid,
    .guide-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 1.5rem;
    }

    .hero-section {
        padding: 1rem 0 2rem;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-description {
        font-size: 1rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .mypage-title {
        font-size: 2rem;
    }

    .community-subtitle {
        font-size: 1rem;
    }

    .cta-title {
        font-size: 1rem;
    }

    .cta-features {
        flex-direction: column;
        gap: 1rem;
        justify-content: center;
        margin-left: 25%;
        margin-right: auto;
    }

    .cta-description {
        font-size: 0.8rem;
    }

    .floating-badge {
        display: none;
    }

    .mypage-floating-card {
        display: none;
    }

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

    .feature-card {
        display: flex;
        flex-direction: column;
    }

    .feature-title {
        display: flex;
        align-items: center;
        gap: 1rem;
        justify-content: center;
        margin-left: auto;
        margin-right: auto;
    }

    .feature-icon {
        margin: 0;
        width: 50px;
        height: 50px;
        flex-shrink: 0;
    }

    .feature-icon i {
        font-size: 1.5rem;
    }

    .course-features {
        flex-direction: column;
        font-size: 0.7rem;
        gap: 0.5rem;
        margin-top: 5%;
    }

    .guide-list {
        text-align: center;
        font-size: 0.7rem;
        margin-left: unset;
    }

    .guide-card h3 {
        margin-left: 0;
        margin-right: 0;
        text-align: center;
    }

    .guide-course-name {
        margin-left: 0;
        margin-right: 0;
        text-align: center;
        font-size: 1rem;
    }

    .guide-icon {
        margin-left: auto;
        margin-right: auto;
    }

    .btn-community {
        margin-left: 10%;
        font-size: 1rem;
    }

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

    .community-details {
        margin-left: 15%;
    }

    .btn-course {
        font-size: 0.7rem;
    }

    .btn-guide {
        font-size: 0.8rem;
    }

    .feature-item i {
        margin-left: auto;
        margin-right: auto;
    }

    .course-content {
        padding: 0.5rem;
    }

    .cta-note {
        font-size: 1rem;
    }

    .section-description {
        font-size: 0.7rem;
    }

    .course-subtitle {
        font-size: 0.8rem;
    }

    .course-features span {
        font-size: 0.8rem;
    }

    .feature-description {
        font-size: 0.7rem;
    }

    .community-feature h4 {
        font-size: 0.8rem;
    }

    .community-feature p {
        font-size: 0.7rem;
    }

    .sg-feature-icon {
        display: flex;
        align-items: center;
        justify-content: center;
    }
}



@media (max-width: 480px) {
    .hero-title {
        font-size: 1.7rem;
    }

    .btn-cta {
        font-size: 1rem;
        padding: 1rem 1.8rem;
    }

    .section-title {
        font-size: 1.1rem;
    }

    .course-title {
        font-size: 1.2rem;
        margin-top: 15%;
    }

    .price {
        font-size: 2rem;
    }
}