* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Noto Sans', sans-serif;
}
html{
    scroll-behavior: smooth;
}
body{
    max-width: 470px;
    margin: 0 auto;
    position: relative;
}
picture {
    display: block;
}
img {
    display: block;
    width: 100%;
}
video {
    display: block;
    width: 100%;
    filter: drop-shadow(0px 0px #000);
}
ul {
    list-style-type: none;
}
a {
    color: inherit;
    text-decoration: none;
    transition: all 0.3s;
    display: block;
}
picture a:hover {
    transform: scale(1.05);
}
/* ============================================================
    PC / SP 出し分けユーティリティ（BP: 768px）
   ============================================================ */
.pc-only { display: block; }
.sp-only { display: none; }

@media screen and (max-width: 768px) {
    .pc-only { display: none !important; }
    .sp-only { display: block !important; }
}
/* utility */
.l-inner {
    width: min(85%, 1440px);
    margin: 0 auto;
}
.l-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 0px 20px;
}
/* header */
.l-header picture:nth-child(1) {
    width: 40%;
}
.l-header picture:nth-child(2) {
    width: 40%;
}
/*  */
.fv-under {
    position: relative;
}

/* 背景側：これが section の高さを決める */
.fv-under__cta--back {
    display: block;
}
.fv-under__cta--back img {
    display: block;
    width: 100%;
    height: auto;
}

/* 前面：left/top を 0 に固定し、margin でずらす */
.fv-under__cta {
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    width: 90%;              /* 幅を % で指定 */
    margin: 9.574% auto 0;    /* 上・左のオフセット */
}
.fv-under__cta img {
    display: block;
    width: 100%;
    height: auto;
}
/* real */
.real {
    margin-top: -8.511%;
    position: relative;
}
.real-cta {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    width: 90%;              /* 幅を % で指定 */
    margin: 37.234% auto 0;    /* 上・左のオフセット */
}
/* about */
.instagram {
    width: 40%;
    margin: 0 auto;
}
#sb_instagram {
    width: 90% !important;
}
/* lesson */
.lesson {
    width: 100%;
    padding: 20px 0 10px;
    background-image: url("../img/school-lp/lesson-back.webp");
    background-position: top center;
    background-repeat: no-repeat;
}
.lesson-title {
    width: 80%;
    margin: 20px auto 0;
}
.instructors {
    width: 40%;
    margin: 0 auto;
}
.lesson-text {
    margin-top: 20px;
    width: 80%;
    margin: 20px auto 15px;
}
/* swiper */
.lesson-swiper {
    width: 90%;
}
/* 前へ次への矢印カスタマイズ */
.swiper-button-prev,
.swiper-button-next {
    height: clamp(28px, 8.5cqi, 40px);
    width: clamp(28px, 8.5cqi, 40px);
}
/* 前へ次への矢印カスタマイズ */
.swiper-button-prev::after,
.swiper-button-next::after {
    background-repeat: no-repeat;
    background-size: contain;
    content: "";
    height: clamp(28px, 8.5cqi, 40px);
    margin: auto;
    width: clamp(28px, 8.5cqi, 40px);
}
/* 前への矢印カスタマイズ */
.swiper-button-prev::after {
    background-image: url("../img/school-lp/prev.webp");
}
/* 次への矢印カスタマイズ */
.swiper-button-next::after {
    background-image: url("../img/school-lp/next.webp");
}
/* 画像サイズ調整 */
.swiper-slide img {
    height: auto;
    width: 100%;
}
/* play */
.play {
    width: 100%;
    padding: 40px 0 10px;
    background-image: url("../img/school-lp/play-back.webp");
    background-position: top center;
    background-repeat: no-repeat;
}
.play-text {
    width: 80%;
    margin: 0 auto;
}
.price {
    width: 90%;
    margin: 20px auto 0;
}
.campaign {
    width: 90%;
    margin: 20px auto 0;
}
.benefits {
    width: 90%;
    margin: 20px auto;
}
/* flow */
.flow {
    position: relative;
}
.flow-cta {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    width: 90%;              /* 幅を % で指定 */
    margin: 55.319% auto 0;    /* 上・左のオフセット */
}
/* access */
.access-swiper {
    margin-bottom: 20px;
}
/* アクセススライダー：左右のスライドをチラ見せ
   JS側の slidesPerView: "auto" と対で機能する。
   Swiper標準CSSの .swiper-slide { width: 100% } を上書きするため、
   親クラス付きの詳細度で指定している。
   ここの数値を変えるとチラ見え量が変わる（下げるほど大きく見える） */
.access-swiper .swiper-slide {
    width: 85%;
}
.access {
    width: 100%;
    padding: 40px 0 30px;
    background-image: url("../img/school-lp/access-back.webp");
    background-position: top center;
    background-repeat: no-repeat;
}
.access p {
    color: #575757;
    font-weight: 600;
}
.access-title {
    width: 70%;
    margin: 0 auto 10px;
}
.l-access__wrapper {
    padding: 30px 30px 50px;
    background: #fff;
    border-radius: 15px;
}
.access .c-access__title {
    font-size: clamp(18px, 5.3cqi, 26px);
    font-weight: 600;
    text-align: center;
    color: #89993b;
    margin-bottom: 20px;
}
.c-access__address {
    font-size: 20px;
    margin: 10px 0 20px;
}
.c-access__address--sm {
    font-size: 16px;
}
.map {
    position: relative;
    width: 100%;
    padding-top: 65%;
    /* 16:9のアスペクト比 */
    height: 0;
}

.map iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}
.l-access__flex{
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}
.l-access__flex picture {
    flex: 2.5;
}
.l-access__flex p {
    flex: 7.5;
}
/* instagram */
.instagram-sec {
    padding-top: 40px;
}
/* faq */
.faq-title {
    width: 60%;
    margin: 40px auto 10px;
}
.ac-title {
    display: flex;
    align-items: flex-start;
    font-size: clamp(16px, 5.1cqi, 24px);
    color: #89993b;
    background-color: #feffe9;
}
.q-icon {
    width: 8.5%;
    height: auto;
    margin-right: 10px;
}
.ac-content {
    display: flex;
    align-items: flex-start;
    font-size: clamp(14px, 4.3cqi, 20px);
    color: #575757;
    padding: 20px 10px 0;
}
.a-icon {
    width: 8.5%;
    height: auto;
    margin-right: 10px;
}
.accordion-003 {
    width: 90%;
    margin: 0 auto 20px;
}
.accordion-003__last {
    margin-bottom: 50px;
}

.accordion-003 summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    padding: 5px 10px;
    background-color: #feffe9;
    color: #575757;
    font-weight: 600;
    cursor: pointer;
}

.accordion-003 summary::-webkit-details-marker {
    display: none;
}

.accordion-003 summary::before,
.accordion-003 summary::after {
    width: 2px;
    height: 16px;
    border-radius: 5px;
    background-color: #89993b;
    content: '';
}

.accordion-003 summary::before {
    position: absolute;
    right: 10px;
    rotate: 90deg;
}

.accordion-003 summary::after {
    transition: rotate .3s;
}

.accordion-003[open] summary::after {
    rotate: 90deg;
}

.accordion-003 p {
    transform: translateY(-10px);
    opacity: 0;
    margin: 0;
    color: #575757;
    font-weight: 500;
    transition: transform .5s, opacity .5s;
}

.accordion-003[open] p {
    transform: none;
    opacity: 1;
}