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

/* 基本設定 */
html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans JP', sans-serif;
    line-height: 1.6;
    color: #000000;
    background-color: #ffffff;
    overflow-x: hidden;
}

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

/* レスポンシブ表示制御 */
.pc-only {
    display: inline;
}

.sp-only {
    display: none;
}

@media (max-width: 768px) {
    .pc-only {
        display: none;
    }
    
    .sp-only {
        display: inline;
    }
}

/* 全体レイアウト */
main {
    width: 100%;
    max-width: 1500px;
    margin: 0 auto;
    position: relative;
}

/* キービジュアルセクション */
.kv-section {
    position: relative;
    width: 100%;
    height: auto;
    overflow: hidden;
}

.kv-section picture,
.kv-section img {
    width: 100%;
    height: auto;
}

.kv-content {
    position: absolute;
    bottom: 50px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
}

.cta-button {
    background: #ffffff;
    border: 2px solid #4B1E78;
    border-radius: 60px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
    width: 480px;
    position: relative;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(75, 30, 120, 0.1);
}

.cta-button:hover {
    background: #4B1E78;
}

.cta-button:hover .cta-subtitle,
.cta-button:hover .cta-title {
    color: #ffffff;
}

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

.cta-subtitle {
    font-family: 'Zen Maru Gothic', sans-serif;
    font-weight: 700;
    font-size: 20px;
    line-height: 1.45;
    color: #000000;
    margin-bottom: 5px;
}

.cta-title {
    font-family: 'Zen Maru Gothic', sans-serif;
    font-weight: 700;
    font-size: 26px;
    line-height: 1.45;
    color: #000000;
}

.cta-arrow {
    position: absolute;
    right: 42px;
    top: 50%;
    transform: translateY(-50%);
    width: 30px;
    height: 30px;
    background: #54C2F1;
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.cta-arrow svg {
    fill: #ffffff;
}

/* イントロセクション */
.intro-section {
    padding: 0 0 90px;
    position: relative;
}

.intro-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 60px;
}

.intro-text {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
    text-align: center;
}

.intro-title {
    font-family: 'Zen Maru Gothic', sans-serif;
    font-weight: 700;
    font-size: 24px;
    line-height: 1.45;
    color: #000000;
    text-align: center;
}

.intro-image {
    width: 680px;
    height: 213px;
    overflow: hidden;
}

.intro-image img {
    width: 100%;
    height: auto;
}

.intro-description {
    font-family: 'Noto Sans JP', sans-serif;
    font-weight: 400;
    font-size: 18px;
    line-height: 1.78;
    color: #000000;
    text-align: center;
    max-width: 980px;
}

.points-grid {
    display: flex;
    justify-content: center;
    gap: 30px;
    width: 1100px;
}

.point-card {
    background: linear-gradient(180deg, rgba(75, 30, 120, 0.85) 20%, #4B1E78 20%);
    border-radius: 10px;
    padding: 40px 20px 20px;
    width: 252px;
    height: auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    box-shadow: 5px 5px 10px 0px rgba(0, 0, 0, 0.1);
}

.point-badge {
    position: absolute;
    top: -34px;
    left: 50%;
    transform: translateX(-50%);
    width: 70px;
    height: 70px;
    background: #54C2F1;
    border-radius: 35px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.badge-text {
    font-family: 'Noto Sans JP', sans-serif;
    font-weight: 600;
    font-size: 20px;
    line-height: 1;
    color: #ffffff;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0;
}

.point-label {
    font-size: 10px;
}

.point-number {
    font-size: 20px;
}

.point-title {
    font-family: 'Noto Sans JP', sans-serif;
    font-weight: 600;
    font-size: 20px;
    line-height: 1.6;
    color: #ffffff;
    text-align: center;
}

.point-arrow {
    width: 20px;
    height: 9px;
    margin: 10px auto 0;
}

.point-arrow svg {
    fill: #ffffff;
}

.point-arrow svg path {
    fill: #ffffff;
}

.yamaha-text {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 100%;
    height: 200px;
    z-index: -1;
    pointer-events: none;
    background-image: url('./images/yamaha-text.png');
    background-repeat: no-repeat;
    background-position: bottom right;
    background-size: contain;
}

.yamaha-text img {
    display: none;
}

.yamaha-text p {
    display: none;
}

/* お悩みセクション */
.concerns-section {
    background: rgba(84, 194, 241, 0.1);
    padding: 90px 0;
}

.concerns-content {
    max-width: 980px;
    margin: 0 auto;
    background: #ffffff;
    border: 3px solid #54C2F1;
    border-radius: 30px;
    padding: 60px 80px;
    box-shadow: 5px 5px 10px 0px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 40px;
}

.concerns-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 40px;
}

.speech-bubble {
    background: #54C2F1;
    border-radius: 45px;
    padding: 10px 30px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.speech-bubble p {
    font-family: 'Zen Maru Gothic', sans-serif;
    font-weight: 700;
    font-size: 26px;
    line-height: 1.45;
    color: #ffffff;
    text-align: center;
}

.bubble-tail {
    position: absolute;
    bottom: -22px;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 22px;
    background: #54C2F1;
    clip-path: polygon(50% 100%, 0 0, 100% 0);
}

.concerns-header h2 {
    font-family: 'Zen Maru Gothic', sans-serif;
    font-weight: 700;
    font-size: 30px;
    line-height: 1.45;
    color: #000000;
    text-align: center;
}

.concerns-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
    width: 100%;
}

.concern-item {
    display: flex;
    align-items: center;
    gap: 15px;
}

.check-icon {
    width: 23px;
    height: 23px;
    flex-shrink: 0;
}

.concern-item p {
    font-family: 'Noto Sans JP', sans-serif;
    font-weight: 600;
    font-size: 22px;
    line-height: 1.45;
    color: #000000;
}

.empathy-message {
    font-family: 'Zen Maru Gothic', sans-serif;
    font-weight: 700;
    font-size: 28px;
    line-height: 1.45;
    color: #4B1E78;
    text-align: center;
}

/* 続けられる理由セクション */
.reasons-section {
    padding: 90px 0;
}

.section-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    margin-bottom: 50px;
}

.section-header h2 {
    font-family: 'Zen Maru Gothic', sans-serif;
    font-weight: 700;
    font-size: 30px;
    line-height: 1.45;
    color: #4B1E78;
    text-align: center;
}

.highlight-blue {
    color: #54C2F1;
}

.text-left {
    text-align: left !important;
    width: 100%;
}

.small-text {
    font-size: 0.7em;
}

.section-accent {
    width: 430px;
    height: 82px;
}

.reasons-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    justify-content: center;
    max-width: 1100px;
    margin: 0 auto;
}

.reason-card {
    width: 252.5px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.reason-image {
    width: 100%;
    aspect-ratio: 6 / 4;
    border-radius: 10px;
    object-fit: cover;
}

.reason-title {
    font-family: 'Noto Sans JP', sans-serif;
    font-weight: 600;
    font-size: 20px;
    line-height: 1.6;
    color: #4B1E78;
    text-align: center;
}

.reason-description {
    font-family: 'Noto Sans JP', sans-serif;
    font-weight: 400;
    font-size: 16px;
    line-height: 2;
    color: #000000;
    text-align: left;
}

.reason-note {
    font-family: 'Noto Sans JP', sans-serif;
    font-weight: 400;
    font-size: 14px;
    line-height: 1.79;
    color: #000000;
    text-align: left;
}

/* 受講生の声セクション */
.testimonials-section {
    background: rgba(84, 194, 241, 0.1);
    padding: 90px 0;
}

.testimonials-section .section-header {
    margin-bottom: 60px;
}

.testimonials-section .section-header h2 {
    font-family: 'Zen Maru Gothic', sans-serif;
    font-weight: 700;
    font-size: 34px;
    line-height: 1.45;
    color: #4B1E78;
}

.section-subtitle {
    font-family: 'Zen Maru Gothic', sans-serif;
    font-weight: 700;
    font-size: 24px;
    line-height: 1.45;
    letter-spacing: 0.05em;
    color: #000000;
    text-align: center;
}

.testimonials-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    justify-content: center;
    max-width: 1100px;
    margin: 0 auto;
}

.testimonial-card {
    width: 340px;
    background: #ffffff;
    border-radius: 10px;
    box-shadow: 5px 5px 10px 0px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.testimonial-image {
    width: 100%;
    height: 220px;
    object-fit: cover;
    aspect-ratio: 1 / 1;
}

.testimonial-content {
    padding: 0 20px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.testimonial-badge {
    background: #4B1E78;
    color: #ffffff;
    padding: 8px 16px;
    border-radius: 20px;
    font-family: 'Noto Sans JP', sans-serif;
    font-weight: 600;
    font-size: 18px;
    line-height: 1.78;
    text-align: center;
    width: 180px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.testimonial-text {
    font-family: 'Noto Sans JP', sans-serif;
    font-weight: 400;
    font-size: 16px;
    line-height: 2;
    color: #000000;
    /* text-align: center; */
}

/* 人気のコースセクション */
.courses-section {
    padding: 90px 0;
}

.courses-section .section-header h2 {
    font-family: 'Zen Maru Gothic', sans-serif;
    font-weight: 700;
    font-size: 34px;
    line-height: 1.45;
    color: #4B1E78;
}

.courses-grid {
    display: flex;
    gap: 40px;
    justify-content: center;
    flex-wrap: wrap;
    max-width: 1100px;
    margin: 0 auto;
}

.course-card {
    width: 340px;
    height: 220px;
    border-radius: 10px;
    position: relative;
    overflow: hidden;
    box-shadow: 5px 5px 10px 0px rgba(0, 0, 0, 0.1);
}

.course-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.course-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(84, 194, 241, 0.8);
    z-index: 1;
}

.course-content {
    position: relative;
    z-index: 2;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    padding: 20px;
    color: #ffffff;
}

.course-english {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 30px;
    line-height: 1.27;
    color: #ffffff;
    text-align: center;
}

.course-japanese {
    font-family: 'Noto Sans JP', sans-serif;
    font-weight: 600;
    font-size: 20px;
    line-height: 1.6;
    color: #ffffff;
    text-align: center;
}

.course-description {
    font-family: 'Noto Sans JP', sans-serif;
    font-weight: 400;
    font-size: 16px;
    line-height: 2;
    color: #ffffff;
    text-align: center;
}

/* 無料体験セクション */
.trial-section {
    background: #54C2F1;
    padding: 90px 0;
}

.trial-content {
    max-width: 1100px;
    margin: 0 auto;
    background: #ffffff;
    border: 3px solid #54C2F1;
    border-radius: 30px;
    padding: 60px;
    box-shadow: 5px 5px 10px 0px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 40px;
}

.trial-section .section-header {
    margin-bottom: 0;
}

.trial-section .section-header h2 {
    font-family: 'Zen Maru Gothic', sans-serif;
    font-weight: 700;
    font-size: 34px;
    line-height: 1.45;
    color: #4B1E78;
    text-align: center;
}

.trial-section .section-subtitle {
    font-family: 'Zen Maru Gothic', sans-serif;
    font-weight: 700;
    font-size: 24px;
    line-height: 1.45;
    color: #000000;
    text-align: center;
}

.trial-description {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 0 0 20px;
}

.trial-description p {
    font-family: 'Noto Sans JP', sans-serif;
    font-weight: 400;
    font-size: 18px;
    line-height: 1.78;
    color: #000000;
    text-align: left;
}

.trial-details {
    display: flex;
    flex-direction: column;
    gap: 40px;
    width: 100%;
}

.trial-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    padding: 50px 0 20px;
    border-top: 2px solid #4B1E78;
    position: relative;
}

.trial-badge {
    position: absolute;
    top: -25px;
    left: 50%;
    transform: translateX(-50%);
    background: #4B1E78;
    color: #ffffff;
    padding: 10px;
    border-radius: 25px;
    font-family: 'Noto Sans JP', sans-serif;
    font-weight: 600;
    font-size: 20px;
    line-height: 1.6;
    text-align: center;
    width: 280px;
}

.trial-card p {
    font-family: 'Noto Sans JP', sans-serif;
    font-weight: 400;
    font-size: 16px;
    line-height: 2;
    color: #000000;
    text-align: left;
}

/* 申込の流れセクション */
.flow-section {
    background: rgba(84, 194, 241, 0.1);
    padding: 90px 0;
}

.flow-section .section-header {
    margin-bottom: 60px;
}

.flow-section .section-header h2 {
    font-family: 'Zen Maru Gothic', sans-serif;
    font-weight: 700;
    font-size: 34px;
    line-height: 1.45;
    color: #4B1E78;
    text-align: center;
}

.steps-grid {
    display: flex;
    gap: 40px;
    justify-content: center;
    flex-wrap: wrap;
    max-width: 1100px;
    margin: 0 auto;
}

.step-card {
    width: 340px;
    background: #ffffff;
    border-radius: 10px;
    box-shadow: 5px 5px 10px 0px rgba(0, 0, 0, 0.1);
    padding: 50px 20px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
    position: relative;
}

.step-badge {
    position: absolute;
    top: -35px;
    left: 50%;
    transform: translateX(-50%);
    width: 70px;
    height: 70px;
    background: #54C2F1;
    border-radius: 35px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.step-text {
    font-family: 'Noto Sans JP', sans-serif;
    font-weight: 600;
    font-size: 20px;
    line-height: 1.2;
    color: #ffffff;
    text-align: center;
}

.step-icon {
    width: 55px;
    height: 55px;
    margin-bottom: 15px;
}

.step-title {
    font-family: 'Noto Sans JP', sans-serif;
    font-weight: 600;
    font-size: 20px;
    line-height: 1.6;
    color: #54C2F1;
    text-align: center;
}

.step-description {
    font-family: 'Noto Sans JP', sans-serif;
    font-weight: 400;
    font-size: 16px;
    line-height: 1.75;
    color: #000000;
    text-align: left;
    width: 100%;
}

.benefits-section {
    margin-top: 60px;
    max-width: 1100px;
    margin-left: auto;
    margin-right: auto;
    background: #ffffff;
    border: 3px solid #54C2F1;
    border-radius: 30px;
    padding: 30px;
    box-shadow: 5px 5px 10px 0px rgba(0, 0, 0, 0.1);
}

.benefits-section .section-header {
    margin-bottom: 0;
}

.benefits-section .section-header h3 {
    font-family: 'Zen Maru Gothic', sans-serif;
    font-weight: 700;
    font-size: 24px;
    line-height: 1.45;
    color: #000000;
    text-align: center;
    margin-bottom: 20px;
}

.benefits-list {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.benefit-item {
    background: rgba(75, 30, 120, 0.1);
    padding: 10px;
    border-radius: 25px;
    font-family: 'Noto Sans JP', sans-serif;
    font-weight: 600;
    font-size: 20px;
    line-height: 1.6;
    color: #000000;
    text-align: center;
    width: 280px;
}

/* 教室検索セクション */
.schools-section {
    background: #ffffff;
    padding: 60px 0;
}

.schools-section .section-header h2 {
    font-family: 'Zen Maru Gothic', sans-serif;
    font-weight: 700;
    font-size: 34px;
    line-height: 1.45;
    color: #4B1E78;
    text-align: center;
}

.schools-section .section-subtitle {
    font-family: 'Zen Maru Gothic', sans-serif;
    font-weight: 700;
    font-size: 24px;
    line-height: 1.45;
    color: #000000;
    text-align: center;
}

.schools-content {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.area-section {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.area-title {
    font-family: 'Noto Sans JP', sans-serif;
    font-weight: 700;
    font-size: 28px;
    line-height: 1.45;
    letter-spacing: 0.05em;
    color: #000000;
    text-align: left;
    padding-left: 20px;
    border-left: 5px solid #54C2F1;
}

.schools-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: space-between;
}

.school-card {
    background: #54C2F1;
    border-radius: 10px;
    box-shadow: 5px 5px 5px 0px rgba(0, 0, 0, 0.1);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    width: calc(50% - 10px);
}

.school-info {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
    gap: 10px;
    padding-bottom: 15px;
    border-bottom: 1px solid #ffffff;
}

.school-name {
    font-family: 'Noto Sans JP', sans-serif;
    font-weight: 600;
    font-size: 20px;
    line-height: 1.6;
    color: #ffffff;
    text-align: left;
}

.trial-button {
    background: #FFEF89;
    color: #000000;
    padding: 8px 16px;
    border-radius: 27px;
    font-family: 'Noto Sans JP', sans-serif;
    font-weight: 600;
    font-size: 16px;
    line-height: 1.38;
    text-align: center;
    display: inline-block;
    width: fit-content;
    text-decoration: none;
    transition: background-color 0.3s ease;
    flex-shrink: 0;
}

.trial-button:hover {
    background: #ffffff;
    color: #000000;
}

.school-address {
    font-family: 'Noto Sans JP', sans-serif;
    font-weight: 400;
    font-size: 16px;
    line-height: 1.75;
    color: #ffffff;
    text-align: left;
}

/* よくある質問セクション */
.faq-section {
    background: rgba(84, 194, 241, 0.1);
    padding: 90px 0;
}

.faq-section .section-header h2 {
    font-family: 'Zen Maru Gothic', sans-serif;
    font-weight: 700;
    font-size: 34px;
    line-height: 1.45;
    color: #4B1E78;
}

.faq-section .section-subtitle {
    font-family: 'Zen Maru Gothic', sans-serif;
    font-weight: 700;
    font-size: 20px;
    line-height: 1.45;
    color: #000000;
}

.faq-list {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 0;
}

.faq-item {
    display: flex;
    flex-direction: column;
}

.faq-question {
    background: #54C2F1;
    border-radius: 10px;
    box-shadow: 5px 5px 5px 0px rgba(0, 0, 0, 0.1);
    padding: 20px 30px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    position: relative;
}

.faq-question h3 {
    font-family: 'Noto Sans JP', sans-serif;
    font-weight: 600;
    font-size: 20px;
    line-height: 1.6;
    color: #ffffff;
    text-align: left;
}

.faq-toggle {
    position: absolute;
    right: 30px;
    width: 30px;
    height: 30px;
    border: 1px solid #ffffff;
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
}

.faq-toggle svg {
    fill: #ffffff;
    transition: transform 0.3s ease;
}

.faq-toggle.open svg {
    transform: rotate(180deg);
}

.faq-answer {
    background: #ffffff;
    border-radius: 10px;
    box-shadow: 5px 5px 5px 0px rgba(0, 0, 0, 0.1);
    padding: 0 30px;
    margin-bottom: 20px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq-answer.open {
    max-height: 500px;
    padding: 20px 30px;
}

.faq-answer p {
    font-family: 'Noto Sans JP', sans-serif;
    font-weight: 400;
    font-size: 16px;
    line-height: 2;
    color: #000000;
    text-align: left;
}

/* フッター */
.footer {
    padding: 80px 0 60px;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 40px;
}

.footer-content h2 {
    font-family: 'Zen Maru Gothic', sans-serif;
    font-weight: 700;
    font-size: 24px;
    line-height: 1.45;
    letter-spacing: 0.05em;
    color: #4B1E78;
    text-align: center;
}

.footer-logo {
    width: 110px;
    height: 107px;
}

.copyright {
    border-top: 1px solid #54C2F1;
    padding: 20px 0;
    width: 100%;
    display: flex;
    justify-content: center;
}

.copyright p {
    font-family: 'Noto Sans', sans-serif;
    font-weight: 500;
    font-size: 13px;
    line-height: 1.36;
    color: #54C2F1;
    text-align: center;
}

/* スマートフォン対応 */
@media (max-width: 768px) {
    /* 全体調整 */
    main {
        width: 100%;
    }

    /* キービジュアル */
    .kv-section {
        height: auto;
        padding: 0;
    }

    .kv-content {
        position: relative;
        bottom: auto;
        left: auto;
        transform: none;
        width: 100%;
        padding: 0 20px;
    }

    .cta-button {
        width: 100%;
        padding: 15px 20px;
    }
    
    .cta-button:active {
        background: #4B1E78;
    }
    
    .cta-button:active .cta-subtitle,
    .cta-button:active .cta-title {
        color: #ffffff;
    }

    .cta-subtitle {
        font-size: 18px;
    }

    .cta-title {
        font-size: 20px;
    }

    .cta-arrow {
        right: 29px;
        width: 24px;
        height: 24px;
    }

    /* イントロセクション */
    .intro-section {
        padding: 40px 20px 60px;
    }

    .intro-content {
        gap: 40px;
    }

    .intro-text {
        gap: 20px;
    }

    .intro-title {
        font-size: 20px;
    }

    .intro-image {
        width: 100%;
        height: auto;
    }

    .intro-description {
        font-size: 18px;
    }

    .points-grid {
        flex-direction: column;
        align-items: center;
        width: 100%;
    }

    .point-card {
        width: 100%;
        height: auto;
        padding-top: 50px;
    }

    .point-badge {
        width: 70px;
        height: 70px;
        top: -24px;
    }

    .badge-text {
        font-size: 20px;
    }

    .point-title {
        font-size: 18px;
    }

    .yamaha-text {
        position: absolute;
        bottom: 0;
        left: 0;
        width: 100%;
        height: 120px;
        z-index: -1;
        pointer-events: none;
        background-image: url('./images/yamaha-text.png');
        background-repeat: no-repeat;
        background-position: bottom center;
        background-size: contain;
    }

    .yamaha-text p {
        display: none;
    }

    /* お悩みセクション */
    .concerns-section {
        padding: 60px 20px;
    }

    .concerns-content {
        padding: 20px;
        gap: 30px;
    }

    .speech-bubble {
        width: 100%;
        padding: 10px 30px;
    }

    .speech-bubble p {
        font-size: 20px;
    }

    .concerns-header h2 {
        font-size: 20px;
    }

    .concerns-list {
        gap: 15px;
    }

    .concern-item {
        gap: 10px;
    }

    .check-icon {
        width: 20px;
        height: 20px;
    }

    .concern-item p {
        font-size: 18px;
    }

    .empathy-message {
        font-size: 20px;
    }

    /* 続けられる理由セクション */
    .reasons-section {
        padding: 60px 20px;
    }

    .section-header {
        margin-bottom: 40px;
        gap: 10px;
    }

    .section-header h2 {
        font-size: 28px;
    }

    .reasons-grid {
        flex-direction: column;
        align-items: center;
        gap: 20px;
    }

    .reason-card {
        width: 100%;
    }

    .reason-title {
        font-size: 18px;
    }

    /* 受講生の声セクション */
    .testimonials-section {
        padding: 60px 20px;
    }

    .testimonials-section .section-header h2 {
        font-size: 28px;
    }

    .section-subtitle {
        font-size: 20px;
    }

    .testimonials-grid {
        flex-direction: column;
        align-items: center;
        gap: 20px;
    }

    .testimonial-card {
        width: 100%;
        height: auto;
    }
    
    .testimonial-image {
        width: 100%;
        aspect-ratio: 6 / 4;
        height: auto;
    }

    /* 人気のコースセクション */
    .courses-section {
        padding: 60px 20px;
    }

    .courses-section .section-header h2 {
        font-size: 28px;
    }

    .courses-grid {
        flex-direction: column;
        align-items: center;
        gap: 20px;
    }

    .course-card {
        width: 100%;
        height: 160px;
        padding: 20px 15px;
    }

    .course-english {
        font-size: 25px;
    }

    .course-japanese {
        font-size: 18px;
    }

    /* 無料体験セクション */
    .trial-section {
        padding: 60px 20px;
        height: auto;
    }

    .trial-content {
        padding: 20px;
        gap: 30px;
    }

    .trial-section .section-header h2 {
        font-size: 28px;
    }

    .trial-section .section-subtitle {
        font-size: 20px;
    }

    .trial-description p {
        font-size: 18px;
        text-align: left;
    }
    
    .trial-card p {
        text-align: left;
    }

    .trial-card {
        padding: 50px 0 0;
    }

    .trial-badge {
        width: 220px;
        top: -25px;
        left: 50%;
        transform: translateX(-50%);
    }

    /* 申込の流れセクション */
    .flow-section {
        padding: 60px 20px;
    }

    .flow-section .section-header h2 {
        font-size: 28px;
    }

    .steps-grid {
        flex-direction: column;
        align-items: center;
        gap: 40px;
    }

    .step-card {
        width: 100%;
    }

    .benefits-section {
        margin-top: 40px;
        padding: 20px;
    }

    .benefits-list {
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }

    .benefit-item {
        width: 100%;
    }

    /* 教室検索セクション */
    .schools-section {
        padding: 60px 20px;
    }

    .schools-section .section-header h2 {
        font-size: 34px;
    }

    .schools-section .section-subtitle {
        font-size: 20px;
    }

    .area-title {
        font-size: 23px;
    }

    .schools-grid {
        gap: 20px;
    }

    .school-card {
        width: 100%;
        padding: 20px;
    }

    .school-name {
        font-size: 18px;
    }

    .trial-button {
        min-width: 118px;
        font-size: 14px;
    }

    /* よくある質問セクション */
    .faq-section {
        padding: 60px 20px;
    }

    .faq-section .section-header h2 {
        font-size: 28px;
    }

    .faq-section .section-subtitle {
        font-size: 20px;
    }

    .faq-question {
        padding: 15px 20px;
    }

    .faq-question h3 {
        font-size: 18px;
        padding-right: 50px;
    }

    .faq-answer {
        padding: 0 20px;
    }
    
    .faq-answer.open {
        max-height: 600px;
        padding: 15px 20px;
    }

    /* 教室検索セクション */
    .schools-grid {
        flex-direction: column;
        gap: 20px;
    }

    .school-card {
        width: 100%;
    }

    /* フッター */
    .footer {
        padding: 60px 0;
    }

    .footer-content {
        gap: 30px;
    }

    .footer-content h2 {
        font-size: 20px;
    }
}

/* タブレット対応 */
@media (min-width: 769px) and (max-width: 1000px) {
    main {
        max-width: 1000px;
    }

    .points-grid {
        width: 100%;
    }

    .reasons-grid,
    .testimonials-grid,
    .courses-grid {
        justify-content: space-around;
    }

    .schools-content {
        padding: 0 20px;
    }

    .school-card {
        width: 100%;
        max-width: 600px;
    }
}


/* 2509 教室予約導線 */
.menu-container {
    position: relative;
    display: inline-block;
}
.menu-button {
    border: none;
    cursor: pointer;
}
.accordion {
    position: absolute;
    top: 45px;
    left: 0;
    display: none;
    min-width: 310px;
    border-radius: 10px;
    margin: 0 auto;
    box-shadow: 5px 5px 5px 0px rgba(0, 0, 0, 0.1);
    z-index: 10;
}
.accordion-item {
    position: relative;
    border-radius: 10px;
    border: 1px solid #f3f3f3;
    background-color: #fff;
    padding: 5px;
    box-sizing: border-box;
}
.accordion-item:not(:last-child) {
      border-bottom: 1px solid #f3f3f3;
}
.accordion-header {
    position: relative;
    background-color: #fff;
    padding: 8px;
    width: 100%;
    font-size: 0.9rem;
    text-align: left;
    cursor: pointer;
    border: none;
    border-radius: 10px;
    z-index: 20;
}
.accordion-header::after {
    content: "";
    position: absolute;
    top: 50%;
    right: 12px;
    transform: translateY(-50%) rotate(45deg);
    width: 6px;
    height: 6px;
    border-top: 1px solid #000;
    border-right: 1px solid #000;
}
.accordion-header:hover {
    background-color: #f3f3f3;
}
.accordion-body {
    display: none;
    position: absolute;
    top: 10px;
    left: 10px;
    width: 100%;
    min-width: 310px;
    font-size: 0.9rem;
    border: 1px solid #f3f3f3;
    background-color: #fff;
    border-radius: 10px;
    padding: 5px;
    z-index: 50;
    box-shadow: 5px 5px 5px 0px rgba(0, 0, 0, 0.1);
}
.accordion-body a {
    display: block;
    color: #000;
    text-decoration: none;
    padding: 8px;
    border-radius: 10px;
}
.accordion-body a:hover {
    background-color: #f3f3f3;
}
.back-button {
    position: relative;
    background-color: #fff;
    padding: 8px 8px 8px 20px;
    width: 100%;
    font-size: 0.9rem;
    text-align: left;
    cursor: pointer;
    border: none;
    border-bottom: 1px solid #d4d4d4;
    border-radius: 0;
    z-index: 2;
}
.back-button::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 10px;
    transform: translateY(-50%) rotate(-45deg);
    width: 6px;
    height: 6px;
    border-top: 1px solid #000;
    border-left: 1px solid #000;
}

@media screen and (max-width: 768px) {
    .accordion {
        left: auto;
        right: 0;
        width: 100%;
    }
    .accordion-body {
        left: auto;
        right: 0;
        width: 100%;
    }
}