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

/* ----------------------------------------
   ベース設定
---------------------------------------- */
html {
  font-size: 16px;
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  font-family: "Helvetica Neue", Arial, "Hiragino Sans", "Noto Sans JP", sans-serif;
  color: #333;
  line-height: 1.7;
  background: #ffffff;
  min-height: auto;
}

/* ----------------------------------------
   コンテナ（中央寄せ）
---------------------------------------- */
.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 20px;
}
@media (max-width: 480px) {
    .container {
        padding: 0 16px;
}
}
 /* ----------------------------------------
    HEADER
---------------------------------------- */
header {
    width: 100%;
    background: #fff;
    border-bottom: 1px solid #eee;
    position: sticky;
    top: 0;
    z-index: 999;
}

.header-inner {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 12px 20px;
    max-width: 1080px;
    margin: 0 auto;
}

.hamburger {
    border: none; 
    overflow: hidden;
}
.logo a {
    font-size: 24px;
    font-weight: bold;
    color: #333;
    text-decoration: none;
}

.nav ul {
    list-style: none;
    display: flex;
    gap: 20px;
}

.nav a {
    text-decoration: none;
    color: #717171;
    font: 500 16px / 1.6em "Open Sans", sans-serif;
    transition: 0.3s;
}

.nav a:hover {
    opacity: 0.6;
    color: #21889f;
}

@media (max-width: 768px)  {
    .nav ul {
        gap: 16px;
        align-items: center;
    }
    .nav a {
    font: 500 14px / 1.6em "Open Sans", sans-serif;
    }
}
@media (max-width: 576px)  {
    .hamburger {
        position: relative;
        z-index: 1001;
        width: 30px;
        height: 24px;
        background: none;
        border: none;
        cursor: pointer;
        overflow: hidden;
    }

    .hamburger span {
        position: absolute;
        left: 0;
        width: 100%;
        height: 3px;
        background: #000;
        transition: 0.3s;
        background: #3bb0c9;
    }
      .hamburger span:nth-child(1) {
        top: 0;
    }

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

    .hamburger span:nth-child(3) {
        bottom: 0;
    }
      /* ===== ✕ に変形 ===== */
  .hamburger.active span:nth-child(1) {
    top: 50%;
    transform: rotate(45deg);
  }

  .hamburger.active span:nth-child(2) {
    opacity: 0;
  }

  .hamburger.active span:nth-child(3) {
    top: 50%;
    transform: rotate(-45deg);
  }

    .header-inner {
        justify-content: flex-end;
    }

    /* ナビを隠す */
    .nav {
        position: fixed;
        inset: 0;               /* top:0 right:0 bottom:0 left:0 */
        background: #fff;
        display: none ;
        justify-content: center;
        align-items: center;
        z-index: 1000;
        background: #f4fcff;
        overscroll-behavior: none;
    }

    /* 開いた状態 */
    .nav.active {
        display: block;
        align-content: center;
          display: flex;
        position: fixed;
        inset: 0;
    }

    /* 縦並び */
    .list_nav {
        flex-direction: column;
        padding: 20px;
        gap: 15px;
    }
    .nav ul {
        gap: 0;
        align-items: center;
        background: #f4fcff;
    }
    .nav a {
        color: #211e1e;
    }
    .list_nav {
        list-style: none;
        text-align: center;
    }

    .list_nav li {
        margin: 14px 0;
    }

    .list_nav a {
        font-size: 14px;
        color: #333;
        text-decoration: none;
    }
     /* nav 初期状態（非表示） */
  .nav {
    position: fixed;
    inset: 0;
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
  }

  /* 表示状態 */
  .nav.active {
    display: flex;
    position: fixed;
    inset: 0;
    z-index: 1000;
  }

  .list_nav {
    text-align: center;
  }

  .list_nav li {
    margin: 12px 0;
  }
}
/* ----------------------------------------
MAIN
---------------------------------------- */
main {
    padding: 40px 0;
}

.section-title {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 30px;
    font-weight: bold;
}

.area_topview{
    max-width: 1080px;
    margin: 0 auto;
    display: flex;
    text-align: -webkit-center;
}
    
.area_concept,
.area_gallery,
.area_voice,
.area_lesson,
.area_artist,
.area_contact,
.area_banner{
    padding: 80px 0;
}

.area_concept .head,
.area_gallery .head,
.area_voice .head,
.area_lesson .head,
.area_artist .head,
.area_contact .head{
    text-align: center;
}

.area_concept .head .en,
.area_gallery .head .en,
.area_voice .head .en,
.area_lesson .head .en,
.area_artist .head .en,
.area_contact .head .en{
    color: #3BB0C9;
    font: 400 24px / 1.6em "Open Sans", sans-serif;
    letter-spacing: 0.18em;
}

.area_concept .head .ja,
.area_gallery .head .ja,
.area_voice .head .ja,
.area_lesson .head .ja,
.area_artist .head .ja,
.area_contact .head .ja{
    display: flex;
    justify-self: center;
    border-radius: 20px 20px 0 20px;
    background: #F57F76;
    color: #fff;
    font: 300 14px / 1.6em "Open Sans", sans-serif;
    letter-spacing: 0.12em;
    padding: 2px 28px 2px 32px;
}

@media (max-width: 768px)  {
    .area_concept,
    .area_gallery,
    .area_voice,
    .area_lesson,
    .area_artist,
    .area_contact,
    .area_banner{
        padding: 60px 0;
    }
    .area_concept .head .en,
    .area_gallery .head .en,
    .area_voice .head .en,
    .area_lesson .head .en,
    .area_artist .head .en,
    .area_contact .head .en{
        font: 400 18px / 1.6em "Open Sans", sans-serif;
    }
    .area_concept .head .ja,
    .area_gallery .head .ja,
    .area_voice .head .ja,
    .area_lesson .head .ja,
    .area_artist .head .ja,
    .area_contact .head .ja{
        color: #fff;
        font: 300 14px / 1.6em "Open Sans", sans-serif;
        padding: 2px 18px 2px 22px;
    }
}
@media (max-width: 480px) {
    .area_concept, .area_gallery, .area_voice, .area_lesson, .area_artist, .area_contact, .area_banner {
        padding: 48px 0;
    }
    .area_concept .head .en, .area_gallery .head .en, .area_voice .head .en, .area_lesson .head .en, .area_artist .head .en, .area_contact .head .en {
        font: 400 22px / 1.6em "Open Sans", sans-serif;
    }
    .area_concept .head .ja, .area_gallery .head .ja, .area_voice .head .ja, .area_lesson .head .ja, .area_artist .head .ja, .area_contact .head .ja {
        font: 300 12px / 1.6em "Open Sans", sans-serif;
        padding: 2px 14px 2px 16px;
        justify-content: center;
        border-radius: 20px;
    }
}
/* ----------------------------------------
    ボックス
---------------------------------------- */
.box {
    width: 130px;
    height: 60px;
    position: fixed;
    bottom: 85px;
    right: 60px;
    z-index: 9999;
}
@media (max-width: 900px)  {
    .box {
        width: 120px;
        height: 60px;
        bottom: 190px;
        right: 50px;
    }
}
@media (max-width: 768px)  {
    .box {
        bottom: 260px;
    }
}
@media (max-width: 480px)  {
    .box {
    display: none;
    }
    .box img{
        display: none;
    }
}
/* ----------------------------------------
    コンセプト
---------------------------------------- */
.area_concept .body{
    margin: 20px 0 0;
}

.area_concept .body .img{
    display: flex;
    justify-content: center;
}

.area_concept .body .img img{
    width: 48%;
}

.area_concept .body .description{
    margin: 42px 0 0;
    text-align: center;
    color: #43454A;
    font: 300 14px / 1.6em "Open Sans", sans-serif;
    letter-spacing: 0.18em;
}

.area_concept .foot{
    margin: 50px 0 0;
}

@media (max-width: 768px)  {
    .area_concept .body .description{
        margin: 24px 0 0;
        font: 300 12px / 1.6em "Open Sans", sans-serif;
    }
}
@media (max-width: 480px) {
    .area_concept .body .img img{
        width: 85%;
    }
    .area_concept .body .description {
        font: 300 12px / 1.6em "Open Sans", sans-serif;
        text-align: left;
    }
}
/* ----------------------------------------
    ギャラリーと販売
---------------------------------------- */
.area_gallery{
    background: #EFF8F8;
}

.area_gallery .body{
    margin: 24px 80px 0;
}

.list_gallery >li{
    list-style-type: none;
}

.list_gallery article{
    display: flex;
    align-items: center;
}

.list_gallery .img{
    flex: 80%;
}

.list_gallery .img img{
    width: 100%;
    padding: 0 16px;
}

.list_gallery .text{
    width: 100%;
    padding: 0 20px;
}

.list_gallery .text .ttl{
    padding: 10px 0;
    background: #fff;
    text-align: center;
    color: #207789;
    font: 600 20px / 1.4em "Open Sans", sans-serif;
    letter-spacing: 0.18em;
}
.list_gallery .text .description{
    padding: 20px 0 0;
    color: #707173;
    font: 400 14px / 2em "Open Sans", sans-serif;
    letter-spacing: 0.18em;
}
.list_gallery .text .description strong{
    padding: 20px 0 0;
    color: #1e4f67;
    font: 600 15px / 1.4em "Open Sans", sans-serif;
    letter-spacing: 0.18em;
}

.area_gallery .foot{
    margin: 60px 0 0;
    text-align: center;
}

.area_gallery .btnarea{
    display: flex;
    justify-content: center;
}

.area_gallery .btnarea .btn{
    text-decoration: auto;
    flex: 1;
    background: #F57F76;
    color: #fff;
    letter-spacing: .12em;
    max-width: 450px;
    padding: 28px 8px 28px 28px;
    font: 400 21px / 1em "Open Sans", sans-serif;
    position: relative;
    text-align: center;
    border-radius: 40px;
    transition-duration: .4s;
    border-radius: 12px;
    outline : 1px solid #FFFFFF; /* 線の太さ・線状・色 */
    outline-offset : -5px /* どれだけ内側に線を表示したいかを負の値で指定 */
}

.area_gallery .btnarea .btn::before{
    position: absolute;
    content: '';
    top: 38px;
    left: 55px;
    width: 40px;
    height: 40px;
    transform: translatey(-50%);
    background: url(../images/shop_icon.svg) no-repeat center center !important;
    background-size: contain !important;
    z-index: 0;
}

.area_gallery .btnarea .btn::after{
    position: absolute;
    content: '';
    top: 39px;
    right: 50px;
    width: 12px;
    height: 16px;
    transform: translatey(-50%);
    background: url(../images/arrow_icon.svg) no-repeat center center !important;
    background-size: contain !important;
    z-index: 0;
}

.area_gallery .btnarea .btn:hover{
    opacity: 0.7;
}

@media (max-width: 768px) {
    .area_gallery .body {
        margin: 24px 32px 0;
    }
    .list_gallery li+li{
        margin: 12px 0 0;
    }
    .list_gallery .text .ttl{
        font: 600 14px / 1.4em "Open Sans", sans-serif;
    }
    .list_gallery .text .description {
    padding: 12px 0 0;
    font: 400 12px / 2em "Open Sans", sans-serif;
    }
    .area_gallery .btnarea .btn {
        max-width: 380px;
        padding: 22px 12px 22px 24px;
        font: 400 18px / 1em "Open Sans", sans-serif;
    }
    .area_gallery .btnarea .btn::before {
        top: 31px;
        left: 30px;
    }
    .area_gallery .btnarea .btn::after {
        top: 31px;
        right: 48px;
        width: 10px;
        height: 13px;
    }    
}
@media (max-width: 576px)  {
    .area_gallery .body {
        margin: 32px 0 0;
    }
    .list_gallery li+li{
        margin: 5px 0 0;
    }
    .list_gallery .text {
        padding: 0 5px;
    }
}
@media (max-width: 480px) {
    .list_gallery li+li {
        margin: 36px 0 0;
    }
    .list_gallery article {
        flex-direction: column;
    }
    .list_gallery li.gallery_2 article {
        flex-direction: column-reverse;
    }
    .list_gallery .img{
        justify-content: center;
        display: flex;
    }
    .list_gallery .img img {
        padding: 0 32px;
        width: 90%;
        text-align: center;
    }
    .list_gallery .text .ttl {
        margin: 24px 0 0;
        font: 600 14px / 1.4em "Open Sans", sans-serif;
    }
    .list_gallery .text .description {
        padding: 8px 0 0;
        font: 400 12px / 1.8em "Open Sans", sans-serif;
    }
    .list_gallery .text .description strong {
    font: 600 13px / 1.4em "Open Sans", sans-serif;
    }
    .area_gallery .btnarea .btn {
        font: 400 16px / 1em "Open Sans", sans-serif;
    }
    .area_gallery .btnarea .btn::before {
        top: 30px;
        left: 24px;
        width: 32px;
        height: 32px;
    }
    .area_gallery .btnarea .btn::after {
        top: 30px;
        right: 24px;
        width: 10px;
        height: 13px;
    }
}
/* ----------------------------------------
    講師紹介
---------------------------------------- */
.area_artist .body{
    margin: 24px 80px 0;
}

.area_artist .flex{
    display: flex;
    align-items: center;
}

.area_artist >.img{
    flex: 80%;
    margin: 0 32px 0 0;
}

.area_artist .text{
    width: 100%;
    margin: 0 0 0 32px;
}

.area_artist .beside{
    display: flex;
}

.area_artist .name{
    color: #4B8490;
    font: 500 24px / 1.6em "Open Sans", sans-serif;
    letter-spacing: 0.18em;
}

.area_artist .name span{
    font: 500 16px / 1.6em "Open Sans", sans-serif;
    letter-spacing: 0.18em;
}

.area_artist a .img{
    margin: 0 0 0 5px;
}
.area_artist a .img img{
    width: 85%;
}

.area_artist .description{
    margin: 18px 0 0;
    color: #273234;
    font: 500 14px / 2em "Open Sans", sans-serif;
    letter-spacing: 0.18em;
}

@media (max-width: 768px) {
    .area_artist .flex {
        flex-direction: column-reverse;
    }
    .area_artist .name {
        font: 500 20px / 1.6em "Open Sans", sans-serif;
    }
    .area_artist .name span {
    font: 500 12px / 1.6em "Open Sans", sans-serif;
    }
    .area_artist a .img img {
        width: 65%;
    }
    .area_artist .flex .img{
        justify-items: center;
    }
    .area_artist .flex .img img{
        width: 64%;
    }
    .area_artist .description {
        margin: 14px 0 0;
        color: #273234;
        font: 400 12px / 2em "Open Sans", sans-serif;
        letter-spacing: 0.18em;
    }
}
@media (max-width: 576px)  {
    .area_artist .body {
        margin: 24px 20px 0;
    }
    .area_artist .text {
        margin: 0;
    }
    .area_artist .flex .img {
        margin: 10px 0 0;
    }
}
@media (max-width: 480px) {
    .area_artist .beside {
        align-items: center;
        display: flex;
        justify-content: center;
    }
    .area_artist .flex .img {
        justify-content: center;
        display: flex;
        margin: 0;
    }
    .area_artist .flex .img img {
        width: 85%;
        margin: 10px 0 0;
    }
}
/* ----------------------------------------
    お客さまの声
---------------------------------------- */
.area_voice .body{
    margin: 32px 0 0;
}

.list_voice{
    display: flex;
    justify-content: center;
    flex-flow: wrap;
}

.list_voice >li{
    list-style-type: none;
    width: 40%;
    display: flex;
    justify-content: center;
    margin: 8px;
}

.list_voice article{
    padding: 12px 10px;
}

.list_voice .text_1{
    display: flex;
    align-items: center;
    border-bottom: 2px solid #E2E2E2;
}

.list_voice .text_1 .ttl{
    margin: 0 0 0 14px;
    color: #3BB0C9;
    font: 600 18px / 2em "Open Sans", sans-serif;
    letter-spacing: 0.18em;
}

.list_voice .text_2{
    margin: 24px 0 0;
}

.list_voice .text_2 .sab{
    color: #0C2024;
    font: 500 16px / 1.6em "Open Sans", sans-serif;
    letter-spacing: 0.18em;
}

.list_voice .text_2 .description{
    padding: 10px 0 0;
    color: #707173;
    font: 400 14px / 2em "Open Sans", sans-serif;
    letter-spacing: 0.18em;
}
@media (max-width: 768px) {
    .area_voice .body {
        margin: 12px 0 0;
    }
    .list_voice >li {
        width: 42%;
        margin: 4px;
    }
    .list_voice .text_1 {
        justify-content: center;
        flex-flow: column;
    }
    .list_voice .text_1 img{
        width: 16%;
    }
    .list_voice .text_1 .ttl {
        margin: 6px 0 0;
        font: 600 16px / 2em "Open Sans", sans-serif;
    }
    .list_voice .text_2 {
        margin: 14px 0 0;
    }
    .list_voice .text_2 .sab {
    text-align: center;
    color: #0C2024;
    font: 500 14px / 1.6em "Open Sans", sans-serif;
    letter-spacing: 0.13em;
    }
    .list_voice .text_2 .description {
    padding: 10px 0 0;
    font: 400 12px / 1.6em "Open Sans", sans-serif;
    }
}
@media (max-width: 480px) {
    .list_voice {
        display: block;
    }
    .list_voice >li {
        width: 100%;
    }
    .list_voice >li+li {
        margin: 6px 0 0;
    }
    .list_voice article {
        padding: 2px 10px;
    }
    .list_voice .text_1 img {
        width: 10%;
    }
    .list_voice .text_1 .ttl {
        font: 600 15px / 2em "Open Sans", sans-serif;
        margin: 0;
    }
    .list_voice .text_1 {
        border-bottom: 1px solid #E2E2E2;
    }
    .list_voice .text_2 .description {
        padding: 3px 0 0;
    }
}
/* ----------------------------------------
    レッスンについて
---------------------------------------- */
.area_lesson{
    background: #EFF8F8;
    overflow: hidden;
}

.area_lesson .body{
    margin: 32px 80px;
    padding: 80px 60px 100px 60px;
    background: #FFF;
    box-shadow: 0 2px 4px rgb(0 0 0 / 5%);
}

.area_lesson .about > .img{
    justify-content: center;
    display: flex;
}

.area_lesson .about > .img img{
    width: 5%;
}

.area_lesson .about .ttl{
    margin: 8px 0 0;
    text-align: center;
    color: #3BB0C9;
    font: 400 30px / 2em "Open Sans", sans-serif;
    letter-spacing: 0.18em;
}
.sp-only {
    display: none;
}
.area_lesson .about .ttl strong{
    position: relative;
}

.area_lesson .about .ttl strong::after{
    position: absolute;
    content: '';
    bottom: -16px;
    left: 23px;
    width: 140px;
    height: 10px;
    transform: translatey(-50%);
    background: url(../images/nami.svg) no-repeat center center !important;
    background-size: contain !important;
    z-index: 1;
}

.area_lesson .about .flex{
    display: flex;
    align-items: center;
    margin: 40px 0 0;
}

.area_lesson .about .flex .img{
    flex: 90%;
}

.area_lesson .about .flex .img img{
    width: 100%;
}

.area_lesson .about .flex .text {
    flex: 100%;
}

.area_lesson .about .flex .text .description{
    padding: 0 0 0 20px;
    color: #707173;
    font: 400 14px / 2em "Open Sans", sans-serif;
    letter-spacing: 0.18em;
}

.area_lesson .flow{
    border-top: 3px solid #F2F2F2;
    margin: 80px 0 0;
    padding: 64px 0 0;
}

.area_lesson .flow .bigttl{
    background: #6BB1C7;
    color: #fff;
    text-align: center;
    padding: 8px 0;
    border-radius: 20px;
    letter-spacing: 0.18em;
    font: 400 20px / 1em "Open Sans", sans-serif;
}

.list_flow{
    margin: 36px 0 0;
    display: flex;
    justify-content: center;
    flex-flow: wrap;
}

.list_flow li{
    list-style-type: none;
}

.list_flow >li+li{
    margin: 32px 0 0;
}

.list_flow li.flow_1,
.list_flow li.flow_2,
.list_flow li.flow_3{
    position: relative;
}

.list_flow >li.flow_1::before{
    position: absolute;
    content: '';
    top: 0;
    left: 12px;
    width: 48px;
    height: 48px;
    transform: translatey(-50%);
    background: url(../images/step_1.svg) no-repeat center center !important;
    background-size: contain !important;
    z-index: 1;
}

.list_flow >li.flow_2::before{
    position: absolute;
    content: '';
    top: 0;
    left: 12px;
    width: 48px;
    height: 48px;
    transform: translatey(-50%);
    background: url(../images/step_2.svg) no-repeat center center !important;
    background-size: contain !important;
    z-index: 1;
}

.list_flow >li.flow_3::before{
    position: absolute;
    content: '';
    top: 0;
    left: 12px;
    width: 48px;
    height: 48px;
    transform: translatey(-50%);
    background: url(../images/step_3.svg) no-repeat center center !important;
    background-size: contain !important;
    z-index: 1;
}

.list_flow article{
    display: flex;
    align-items: center;
}

.list_flow .img{
    flex: 80%;
    margin: 0;
    justify-items: center;
    justify-content: center;
    display: flex;
}

.list_flow .img img{
    border: 1px solid #ddd;
    width: 80%;
}

.list_flow .text{
    width: 100%;
}

.list_flow .text .ttl{
    color: #2e3f43;
    font: 600 20px / 2em "Open Sans", sans-serif;
    letter-spacing: 0.18em;
}

.list_flow .text .description{
    color: #050E0F;
    margin: 12px 0 0;
    font: 200 14px / 1.8em "Open Sans", sans-serif;
    letter-spacing: 0.18em;
}

.list_flow .text .description strong{
    color: #3BB0C9;
    margin: 12px 0 0;
    font: 400 14px / 1.8em "Open Sans", sans-serif;
    letter-spacing: 0.18em;
}

.list_flow .text .cnt{
    color: #606060;
    margin: 12px 0 0;
    font: 200 12px / 1.6em "Open Sans", sans-serif;
    letter-spacing: 0.18em;
}

.area_lesson .detail{
    margin: 80px 0 0;
}

.area_lesson .detail .bigttl{
    background: #6BB1C7;
    color: #fff;
    text-align: center;
    padding: 8px 0;
    border-radius: 20px;
    letter-spacing: 0.18em;
    font: 400 20px / 1em "Open Sans", sans-serif;
}

.list_detail{
    margin: 36px 0 0;
}

.list_detail li{
    list-style-type: none;
}

.list_detail >li+li{
    margin: 20px 0 0;
}

.list_detail article{
    display: flex;
}

.list_detail .ttl{
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24%;
    border: 2px solid #D5A09C;
    border-radius: 6px;
    font: 500 15px / 1.6em "Open Sans", sans-serif;
    letter-spacing: 0.18em;
    color: #d5a09c;
    padding: 10px 12px;
    text-align: center;
    margin: 0 12px 0 0;
}

.list_detail .description{
    flex: 20%;
    align-content: center;
    font: 200 13px / 1.6em "Open Sans", sans-serif;
    letter-spacing: 0.18em;
    color: #120D0D;
}

.list_detail .description span{
    color: #606060;
    font: 200 12px / 1.6em "Open Sans", sans-serif;
    letter-spacing: 0.18em;
}

.area_lesson .question{
    margin: 80px 0 0;
}

.area_lesson .question .bigttl{
    background: #6BB1C7;
    color: #fff;
    text-align: center;
    padding: 8px 0;
    border-radius: 20px;
    letter-spacing: 0.18em;
    font: 400 20px / 1em "Open Sans", sans-serif;
}

.list_qa{
    margin: 36px 0 0;
}

.list_qa li{
    list-style-type: none;
}

.list_qa >li+li{
    margin: 32px 0 0;
}

.list_qa .Q{
    display: flex;
    align-items: center;
    color: #1e3235;
    font: 600 16px / 1.6em "Open Sans", sans-serif;
    letter-spacing: 0.18em;
    border-bottom: 1px solid #ddd;
    padding: 0 0 10px 0;
    margin: 0 0 10px 0;
}

.list_qa .Q img{
    margin: 0 10px 0 0;
    width: 5%;
}

.list_qa .A{
    display: flex;
    align-items: center;
    color: #273234;
    font: 500 14px / 1.6em "Open Sans", sans-serif;
    letter-spacing: 0.18em;
}

.list_qa .A img{
    margin: 0 10px 0 0;
    width: 5%;
}

.area_lesson .btnarea{
    margin: 100px 0 0;
    display: flex;
    justify-content: center;
}

.area_lesson .btnarea .btn{
    text-decoration: auto;
    flex: 1;
    background: #F57F76;
    color: #fff;
    letter-spacing: .12em;
    max-width: 450px;
    padding: 28px 8px 28px 28px;
    font: 400 21px / 1em "Open Sans", sans-serif;
    position: relative;
    text-align: center;
    border-radius: 40px;
    transition-duration: .4s;
    border-radius: 12px;
    outline: 1px solid #FFFFFF;
    outline-offset: -5px /* どれだけ内側に線を表示したいかを負の値で指定 */;
}

.area_lesson .btnarea .btn::after{
    position: absolute;
    content: '';
    top: 39px;
    right: 50px;
    width: 12px;
    height: 16px;
    transform: translatey(-50%);
    background: url(../images/arrow_icon.svg) no-repeat center center !important;
    background-size: contain !important;
    z-index: 0;
}

.area_lesson .btnarea .btn::before{
    position: absolute;
    content: '';
    top: 38px;
    left: 55px;
    width: 40px;
    height: 40px;
    transform: translatey(-50%);
    background: url(../images/request_icon.svg) no-repeat center center !important;
    background-size: contain !important;
    z-index: 0;
}

.area_lesson .btnarea .btn:hover{
    opacity: 0.7;
}


@media (max-width: 768px) {
    .area_lesson .about .ttl {
    font: 400 24px / 2em "Open Sans", sans-serif;
    }
    .area_lesson .about .ttl strong::after {
    left: 20px;
    width: 100px;
    }
    .area_lesson .about .flex {
        display: block;
    }
    .area_lesson .about .flex .img {
        justify-items: center;
        justify-content: center;
        display: flex;
    }
    .area_lesson .about .flex .img img{
        width: 80%;
    }
    .area_lesson .about .flex .text .description {
        padding: 10px 0 0;
        font: 400 12px / 1.8em "Open Sans", sans-serif;
    }
    .area_lesson .body {
        margin: 28px 24px;
        padding: 42px 40px 50px 24px;
        background: #FFF;
        box-shadow: 0 2px 4px rgb(0 0 0 / 5%);
    }
    .area_lesson .flow {
        border-top: 2px solid #F2F2F2;
        margin: 40px 0 0;
        padding: 32px 0 0;
    }
    .area_lesson .flow .bigttl {
        font: 400 16px / 1em "Open Sans", sans-serif;
    }
    .list_flow .text .ttl {
        font: 600 16px / 1.5em "Open Sans", sans-serif;
    }
    .list_flow .text .description {
        margin: 8px 0 0;
        font: 200 12px / 1.8em "Open Sans", sans-serif;
        text-align: left;
    }
    .list_flow .text .cnt {
        font: 200 11px / 1.6em "Open Sans", sans-serif;
        text-align: left;
    }
    .area_lesson .detail {
        margin: 50px 0 0;
    }
    .area_lesson .detail .bigttl {
        font: 400 16px / 1em "Open Sans", sans-serif;
    }
    .list_detail .ttl {
        width: 36%;
        border: 1px solid #D5A09C;
        font: 500 13px / 1.6em "Open Sans", sans-serif;
        padding: 6px 10px;
    }
    .list_detail .description {
        font: 200 12px / 1.6em "Open Sans", sans-serif;
    }
    .list_detail .description span {
        font: 200 11px / 1.6em "Open Sans", sans-serif;
    }
    .area_lesson .question {
        margin: 50px 0 0;
    }
    .area_lesson .question .bigttl {
        font: 400 16px / 1em "Open Sans", sans-serif;
    }
    .list_qa .Q {
        font: 600 14px / 1.6em "Open Sans", sans-serif;
        border-bottom: 1px solid #ddd;
        padding: 0 0 6px 0;
        margin: 0 0 6px 0;
    }
    .list_qa .Q img {
        margin: 0 8px 0 0;
    }

    .list_qa .A img {
    margin: 0 8px 0 0;
    }

    .list_qa .A {
        font: 400 12px / 1.6em "Open Sans", sans-serif;
    }
    .list_qa >li+li {
        margin: 36px 0 0;
    }
    .area_lesson .btnarea {
        margin: 60px 0 0;
    }
    .area_lesson .btnarea .btn {
        max-width: 380px;
        padding: 22px 12px 22px 24px;
        font: 400 18px / 1em "Open Sans", sans-serif;
    }
    .area_lesson .btnarea .btn::before {
        top: 31px;
        left: 30px;
    }
    .area_lesson .btnarea .btn::after {
        top: 31px;
        right: 48px;
        width: 10px;
        height: 13px;
    }
}
@media (max-width: 480px) {
    .area_lesson .body {
        margin: 20px 0;
        padding: 32px 20px 32px 20px;
    }
    .area_lesson .about > .img img {
        width: 10%;
    }
    .area_lesson .about .ttl strong::after {
        left: 12px;
        width: 80px;
    }
    .area_lesson .about .ttl {
        font: 400 18px / 2em "Open Sans", sans-serif;
    }
    .area_lesson .about .flex {
    margin: 24px 0 0;
    }
    .area_lesson .about .flex .img img {
        width: 90%;
    }
    .pc-only {
        display: none;
    }
    .sp-only {
        display: inline;
    }
    .area_lesson .flow .bigttl {
border-radius: 8px;
        font: 400 16px / 1.2em "Open Sans", sans-serif;
    }
    .list_flow article {
        display: block;
    }
    .list_flow .text {
        margin: 16px 0 0;
        text-align: center;
    }
    .list_flow .img img {
        width: 100%;
    }
    .list_flow >li+li {
        margin: 42px 0 0;
    }
    .list_detail article {
        display: block;
    }
    .list_detail .ttl {
        width: 100%;
        margin: 0;
    }
    .list_detail .description {
        margin: 10px 0 0;
    }
    .list_qa .Q img,
    .list_qa .A img {
        width: 8%;
    }
    .area_lesson .btnarea .btn {
        font: 400 16px / 1em "Open Sans", sans-serif;
    }
    .area_lesson .btnarea .btn::before {
        top: 30px;
        left: 24px;
        width: 32px;
        height: 32px;
    }
    .area_lesson .btnarea .btn::after {
        top: 30px;
        right: 24px;
        width: 10px;
        height: 13px;
    }
}
/* ----------------------------------------
    お問合わせ
---------------------------------------- */
.area_contact{
    background: #F2FDFF;
}

.area_contact .body{
    margin: 48px 80px;
    text-align: center;
}

.area_contact .description{
    color: #43454A;
    font: 300 14px / 1.8em "Open Sans", sans-serif;
    letter-spacing: 0.18em;
}

.area_contact .btnarea{
    margin: 50px 0 0;
    display: flex;
    justify-content: center;
}

.area_contact .btnarea .btn{
    text-decoration: auto;
    flex: 1;
    background: #fff;
    color: #F57F76;
    letter-spacing: .12em;
    max-width: 450px;
    padding: 28px 8px 28px 0;
    font: 400 21px / 1em "Open Sans", sans-serif;
    position: relative;
    text-align: center;
    border-radius: 40px;
    transition-duration: .4s;
    border-radius: 12px;
    outline: 1px solid #F57F76;
}

.area_contact .btnarea .btn::after{
    position: absolute;
    content: '';
    top: 39px;
    right: 50px;
    width: 12px;
    height: 16px;
    transform: translatey(-50%);
    background: url(../images/arrow_pink_icon.svg) no-repeat center center !important;
    background-size: contain !important;
    z-index: 0;
}

.area_contact .btnarea .btn:hover{
    opacity: 0.7;
}
@media (max-width: 768px) {
    .area_contact .body {
        margin: 28px 40px;
    }
    .area_contact .description {
        font: 300 12px / 1.8em "Open Sans", sans-serif;
        text-align: left;
    }
    .area_contact .btnarea {
        margin: 32px 0 0;
    }
    .area_contact .btnarea .btn{
        max-width: 380px;
        padding: 22px 12px 22px 4px;
        font: 400 18px / 1em "Open Sans", sans-serif;
    }
    .area_contact .btnarea .btn::before{
        top: 31px;
        left: 30px;
    }
    .area_contact .btnarea .btn::after {
        top: 31px;
        right: 48px;
        width: 10px;
        height: 13px;
    }
}
@media (max-width: 480px) {
    .area_contact .body {
        margin: 20px 10px;
    }
    .area_contact .btnarea .btn {
        font: 400 16px / 1em "Open Sans", sans-serif;
    }
    .area_contact .btnarea .btn::after {
        top: 30px;
        right: 24px;
        width: 10px;
        height: 13px;
    }
}
/* ----------------------------------------
    バナー
---------------------------------------- */
.area_banner a{
    display: flex;
    text-align: -webkit-center;
}

.area_banner .img img{
    width: 45%;
}
@media (max-width: 768px) {
    .area_banner .img img{
        width: 50%;
    }
}
@media (max-width: 576px)  {
    .area_banner .img img{
        width: 80%;
    }
}
/* ----------------------------------------
    FOOTER
---------------------------------------- */
footer {
    background: #333;
    color: #fff;
    padding: 40px 20px;
    text-align: center;
    margin-top: 50px;
}

.footer-nav ul {
    list-style: none;
    margin: 20px 0;
    padding: 0;
    display: flex;
    justify-content: center;
    gap: 25px;
}

.footer-nav a {
    color: #fff;
    text-decoration: none;
    transition: 0.3s;
}

.footer-nav a:hover {
    opacity: 0.6;
}

.copyright {
    font-size: 14px;
    color: #ccc;
}
@media (max-width: 768px) {
    .copyright {
        font-size: 12px;
    }
}

/* ----------------------------------------
タイトル
---------------------------------------- */
h1, h2, h3, h4 {
font-weight: bold;
line-height: 1.4;
color: #333;
}

/* セクションタイトル */
.section-title {
font-size: 2rem;
margin-bottom: 30px;
text-align: center;
}

/* ----------------------------------------
共通ボタン
---------------------------------------- */
.btn {
display: inline-block;
padding: 12px 24px;
border-radius: 8px;
text-decoration: none;
font-weight: bold;
transition: 0.3s;
}

/* メインカラーのボタン */
.btn-primary {
background: #007bff;
color: #fff;
}

.btn-primary:hover {
opacity: 0.8;
}

/* 緑色 */
.btn-green {
background: #28a745;
color: #fff;
}
.btn-green:hover {
opacity: 0.8;
}

/* ----------------------------------------
画像
---------------------------------------- */
img {
max-width: 100%;
height: auto;
display: block;
}
/* ----------------------------------------
フッター
---------------------------------------- */
footer {
background: #333;
color: #fff;
padding: 20px;
text-align: center;
margin-top: 20px;
}