@charset "UTF-8";

body{
    display: flex;
    font-family: Kiwi Maru,Noto Sans JP;
    color: #3A0E0E;
    animation: bugfix infinite 1s;
    -webkit-animation: bugfix infinite 1s;
}


/* ▽▽　ハンバーガーメニュー　▽▽ */
#menu-btn-check {
    display: none;
}

.menu-btn {
    display: flex;
    height: 35px;
    width: 35px;
    justify-content: center;
    align-items: center;
    z-index: 100;
    cursor: pointer;
    position: fixed;
    right: 5px;
    top: 10px;
    background-color: #FFF;
    width: 50px;
    height: 50px;
    border-radius: 50%;
}
.menu-btn span,
.menu-btn span:before,
.menu-btn span:after {
    content: '';
    display: block;
    height: 3px;
    width: 30px;
    border-radius: 3px;
    background-color: #3A0E0E;
    position: absolute;
}
.menu-btn span:before {
    bottom: 10px;
}
.menu-btn span:after {
    top: 10px;
}

#menu-btn-check:checked ~ .menu-btn span {
    background-color: rgba(255, 255, 255, 0);/*メニューオープン時は真ん中の線を透明にする*/
}
#menu-btn-check:checked ~ .menu-btn span::before {
    bottom: -10px;
    transform: rotate(45deg);
    z-index: 90;
}
#menu-btn-check:checked ~ .menu-btn span::after {
    top: 10px;
    transform: rotate(-45deg);
    z-index: 90;
}

.menu-content {
    width: 100%;
    height: 100%;
    position: fixed;
    top: 0;
    left: 100%;/*leftの値を変更してメニューを画面外へ*/
    z-index: 80;
    background-color: #FCFCFC;
    transition: all 0.5s;/*アニメーション設定*/
}
.menu-content ul {

}
.menu-content ul li {
    
}
.menu-content ul li a {
  
}


#menu-btn-check:checked ~ .menu-content {
    left: 0;/*メニューを画面内へ*/
}


.hamburger-header {
    display: flex;
    justify-content: space-between;
    width: 100%;
    padding: 20px;
    align-items: flex-start;
    gap: 10px;
    background-color: #FCFCFC;
    align-items: center;
}

.hamburger-home {
  width: 10%;
}

.hamburger-home-logo {
    width: 80%;
}

.ishikurapiano-header {
    width: 45% !important;
}

.hamburger-list {
    width: 100%;
    margin-bottom: 20px;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}

.hamburger-item {
    max-width: 460px;
    min-width: 145px;
    width: 33%;

}

.bottom-container{
    display: flex ;
    flex-direction: column;
    text-align: center;
}

.free_trial-button {
    display: flex;
    height: 76.377px;
    width: 85%;
    margin: 0 auto 22px;
    padding: 20px 29px;
    justify-content: center;
    align-items: center;
    gap: 10px;
    align-self: stretch;
    border-radius: 54.624px;
    background: #F7A13C;
    box-shadow: 0px 1px 3.07px 0px rgba(42, 42, 42, 0.30);

    color: #FFF;
    text-align: center;
    text-shadow: 0px 0px 2px rgba(0, 0, 0, 0.40);
    font-family: "Noto Sans JP";
    font-size: 22px;
    font-style: normal;
    font-weight: 700;
    line-height: normal;

}
.hamburger-free_trial-button{
    margin-bottom: 20px !important;
}
.free_trial-button:hover{
    background: #dd8827;
}
.hamburger-free_trial-button:hover{
    background: #dd8827;
}


.contact-button {
    display: flex;
    height: 76.377px;
    width: 85%;
    margin: 0 auto;
    padding: 21px 55px;
    justify-content: center;
    align-items: center;
    gap: 10px;
    align-self: stretch;
    border-radius: 54.624px;
    background: #6DCC65;
    box-shadow: 0px 1px 3.07px 0px rgba(42, 42, 42, 0.30);


    color: #FFF;
    text-align: center;
    text-shadow: 0px 0px 2px rgba(0, 0, 0, 0.40);
    font-family: "Noto Sans JP";
    font-size: 22px;
    font-style: normal;
    font-weight: 700;
    line-height: normal;
}
.hamburger-contact-button{
    margin-bottom: 20px !important;
}
.contact-button:hover{
    background: #52b24a;
}
.hamburger-contact-button:hover{
    background: #52b24a;
}

.insta-logo-link {

}

.insta-logo-img {
    width: 10%;
    margin-inline: auto;

}

/* △△　ハンバーガーメニュー　△△ */



.left-sidebar {
    display: none;

}




.header {
    display: flex;
    justify-content: space-between;
    width: 100%;
    padding: 15px 60px 15px 15px;
    gap: 10px;
    background-color: #FFF;
    align-items: center;
    box-shadow: 0.3px 1.5px 0.07px 0px rgba(42, 42, 42, 0.1);
    position: relative;
    
}

h1{
    width: 40%;
    min-width: 170px;
}

.ishikurapiano-logo {
    align-items: center;
    display: flex

}

.ishikurapiano-header {
    display: flex;
    width: 100%;
}

.header_free_trial-button {
    display: inline-block;
    white-space: nowrap;
    border-radius: 40px;
    background: #F7A13C;
    box-shadow: 0.3px 0.5px 2.07px 0px rgba(42, 42, 42, 0.4);
    color: #FFF;
    text-align: center;
    text-shadow: 0px 0px 1px rgba(0, 0, 0, 0.6);
    font-family: "Noto Sans JP";
    font-size: 16px;
    font-style: normal;
    font-weight: 700;
    line-height: 40px;
    padding: 0 6%;
}
.header_free_trial-button:hover{
    background: #dd8827;
}

.hamburger-logo {

}

.hamburger-header {
    display: flex;
    justify-content: space-between;
}

.hamburger-home {

}

.hamburger-menu-logo {

}

.ishikurapiano-hamburger {

}

.hamburger-menu-x {

}

.hamburger-nav {

}

.hamburger-list {

}

.hamburger-item {

}

.insta-logo-link {

}

.insta-logo-img {

}

.kv {
    background-color: #FFF6FD;

}



.arch-top {
    background-color: #FFF6FD;

}

.bottom {

}

.point-section {
    background-color: #FFEAF2;

}

.h2-ttl {
    text-align: center;
    text-shadow: 0px 0px 4px #FFF;
    font-family: "Kiwi Maru";
    font-size: 28px;
    font-style: normal;
    font-weight: 500;
    line-height: normal;
    letter-spacing: 2.8px;
    position: relative;
    padding: 40px 0 30px;

}
.h2-ttl._point::before{
    content: "Point";
    color: #FAA6CC;
    text-shadow: 0px 0px 4px #FFF;
    font-family: "Kiwi Maru";
    font-size: 20px;
    font-style: normal;
    font-weight: 500;
    line-height: 30px; /* 150% */
    letter-spacing: 2px;
    position: absolute;
    top: 0%;
    left: 50%;
    transform: translateX(-50%);
}

.point-wrap {

}

.main-wrap {
    padding: 0 11%;

}

.point-img {
    margin-bottom: 20px;

}

.h3-ttl {
    text-align: center;
    font-family: "Kiwi Maru";
    font-size: 24px;
    font-style: normal;
    font-weight: 500;
    line-height: normal;
    margin-bottom: 24px;
    
}

.point-ttl {
    display: flex;
    justify-content: left;
    font-family: "Kiwi Maru";
    font-size: 24px;
    font-style: normal;
    font-weight: 500;
    line-height: normal;
    text-decoration-line: underline;
    text-decoration-style: solid;
    text-decoration-skip-ink: none;
    text-decoration-thickness: auto;
    text-underline-offset: 25%; /* 6px */
    text-underline-position: from-font;
    margin-bottom: 20px;
}

.point-txt {
    margin-bottom: 50px;
}

.text {
    align-self: stretch;
    text-align: justify;
    font-family: "Kiwi Maru";
    font-size: 18px;
    font-style: normal;
    font-weight: 300;
    line-height: 30px; /* 166.667% */
    letter-spacing: 1.8px;
    padding-bottom: 26px;
}

.index-arch-bottom {
    background-color: #FFF;
    
}

.category-section {
    background: #FFF;
    
}

.category-inner {
    padding: 77px 0;
    position: relative;
}

.category-img {

}

.category-container{
    background-color: #FFEAF2;
    border-radius: 0 0 30px 30px;
    padding: 30px;
    box-shadow: 0px 1px 6.07px 0px rgba(42, 42, 42, 0.30);
    
}

.category-txt {
    margin-bottom: 20px;

}

.category-button {
    position: absolute;
    bottom: 10%;
    right: 50%;
    transform: translate(50%, 50%);
    display: flex;
    background: #FAA6CC;
    display: flex;
    width: 240px;
    height: 55px;
    border-radius: 60px;
    align-items: center;
    text-align: center;
}
.category-button:hover{
    background: #e38ab2;
}

a > div:not([class]) {
    display: flex;
    align-items: center;
    margin: 0 auto;
}

.category-button-txt{
    color: #FFF;
    text-align: justify;
    font-family: "Tsukushi A Round Gothic";
    font-size: 20px;
    font-style: normal;
    font-weight: 700;
    line-height: 30px; /* 150% */
    letter-spacing: 3px;
}

.category-button-icon{
    width: 23px;
    margin-left: 10px;
}

.category-section > .main-wrap{
    margin-bottom: 50px;
}

.staff-border {
    padding-bottom: 50px;
    background-color: #FEF7FD;
}

.gallery-sec {
    background-color: #FEF7FD;

}

._gallery::before{
    content: "Gallery";
    color: #FAA6CC;
    text-shadow: 0px 0px 4px #FFF;
    font-family: "Kiwi Maru";
    font-size: 20px;
    font-style: normal;
    font-weight: 500;
    line-height: 30px; /* 150% */
    letter-spacing: 2px;
    position: absolute;
    top: 0%;
    left: 50%;
    transform: translateX(-50%);
}

.insta-id {
    width: 43%;
    margin: 0 auto 22px;
}

.gallert-insta-img {
    margin: 0 auto;
    width: 89%;
    padding-bottom: 50px;
}

.contact-sec{
    background-color: #FCEAF2;
}

.piano-border {
    margin-bottom: 50px;
}

._contact::before{
    content: "Contact";
    color: #FAA6CC;
    text-shadow: 0px 0px 4px #FFF;
    font-family: "Kiwi Maru";
    font-size: 20px;
    font-style: normal;
    font-weight: 500;
    line-height: 30px; /* 150% */
    letter-spacing: 2px;
    position: absolute;
    top: 0%;
    left: 50%;
    transform: translateX(-50%);    
}

.contact-txt {
    margin-bottom: 20px;

}

.white-arch-top {
    margin-top: 50px;
}

.footer {
    background-color: #FFF;
    border-radius: 0 0 25px 25px;
    padding-bottom: 50px;
}

.footer-logo {
    width: 53%;
    padding: 25px 0 20px;
    margin: 0 auto;
}

.footer-logo-link{
    display: block;
}

.footer-txt {
    color: #FF76B5;
    text-align: center;
    font-family: "Kiwi Maru";
    font-size: 18px;
    font-style: normal;
    font-weight: 400;
    line-height: 30px; /* 166.667% */
    letter-spacing: 1.8px;
}

.right-sidebar {
    display: none;
}

.right-sidebar-wrap {

}

.right-sidebar-container {

}

.right-sidebar-link {

}

.right-sidebar-img {

}

.right-sidebar-txt {

}




/* 以下、about.html */

.about-sec{
    background-color: #FFF6FD;
    padding-top: 50px;
}

._about::before{
    content: "About";
    color: #FAA6CC;
    text-shadow: 0px 0px 4px #FFF;
    font-family: "Kiwi Maru";
    font-size: 20px;
    font-style: normal;
    font-weight: 500;
    line-height: 30px; /* 150% */
    letter-spacing: 2px;
    position: absolute;
    top: 0%;
    left: 50%;
    transform: translateX(-50%); 
}

.about-img{
    margin-bottom: 30px;
}

.about-wrap{
    margin-bottom: 40px;
}

.instructor-sec{
    background-color: #FFEAF2;
    padding-top: 26px;
}

._instructor::before{
    content: "Instructor";
    color: #FAA6CC;
    text-shadow: 0px 0px 4px #FFF;
    font-family: "Kiwi Maru";
    font-size: 20px;
    font-style: normal;
    font-weight: 500;
    line-height: 30px; /* 150% */
    letter-spacing: 2px;
    position: absolute;
    top: 0%;
    left: 50%;
    transform: translateX(-50%); 
}

.instructor-name{
    font-family: "Kiwi Maru";
    font-size: 22px;
    font-style: normal;
    font-weight: 400;
    line-height: 30px; /* 136.364% */
    letter-spacing: 2.2px;
    position: relative;
    margin-bottom: 60px;
}
.instructor-name::after{
    content: "Ishikura Misako";
    color: #FAA6CC;
    text-shadow: 0px 0px 4px #FFF;
    font-family: "Kiwi Maru";
    font-size: 16px;
    font-style: normal;
    font-weight: 300;
    line-height: 30px; /* 150% */
    letter-spacing: 1.6px;
    position: absolute;
    bottom: -100%;
    left: 0%;
}

.access-sec{
    background-color: #FFF6FD;
    padding-bottom: 50px;
}

._access::before{
    content: "Access";
    color: #FAA6CC;
    text-shadow: 0px 0px 4px #FFF;
    font-family: "Kiwi Maru";
    font-size: 20px;
    font-style: normal;
    font-weight: 500;
    line-height: 30px; /* 150% */
    letter-spacing: 2px;
    position: absolute;
    top: 0%;
    left: 50%;
    transform: translateX(-50%); 
}

.access-wrap{
    padding: 0 6%;
}

.access-inner{
    background-color: #FFF;
    border-radius: 25px;
    box-shadow: 0px 2px 13px 0px rgba(0, 0, 0, 0.07);
    margin-top: 50px;
    text-align: center;
    padding: 30px;
}

.access-container{
    display: inline-block;
    text-align: left;

}
.access-info,.access-parking>p{
    font-size: 18px;
    font-style: normal;
    font-weight: 300;
    line-height: 30px; /* 166.667% */
    letter-spacing: 1.8px;
    margin-bottom: 23px;
}
.access-txt{
    font-size: 16px;
    font-style: normal;
    font-weight: 300;
    line-height: 30px; /* 187.5% */
    letter-spacing: 1.6px;
}



/* 以下、lesson.htmlのcss */

.lesson-sec{
    background-color: #FFF6FD;
    padding-top: 50px;
    padding-bottom: 40px;
}

._lesson::before{
    content: "Access";
    color: #FAA6CC;
    text-shadow: 0px 0px 4px #FFF;
    font-family: "Kiwi Maru";
    font-size: 20px;
    font-style: normal;
    font-weight: 500;
    line-height: 30px; /* 150% */
    letter-spacing: 2px;
    position: absolute;
    top: 0%;
    left: 50%;
    transform: translateX(-50%); 
}

.lesson-wrap{
    background-color: #FFF;
    padding: 30px 25px;
    margin: 0 5% 40px;
    border-radius: 25px;
    box-shadow: 0px 1px 8px 0px rgba(0, 0, 0, 0.13);
}

.lesson-bottom{
    width: 24%;
    margin: 0 auto;
    transform: translateY(-20px);
}

.lesson-img{
    width: 60%;
    margin: 0 auto 25px;
}



/* 以下、free_trial.htmlのcss */

.free_trial-sec{
    background-color: #FFF6FD;
    padding-top: 50px;
    padding-bottom: 40px;
}

._free_trial::before{
    content: "Free Trial";
    color: #FAA6CC;
    text-shadow: 0px 0px 4px #FFF;
    font-family: "Kiwi Maru";
    font-size: 20px;
    font-style: normal;
    font-weight: 500;
    line-height: 30px; /* 150% */
    letter-spacing: 2px;
    position: absolute;
    top: 0%;
    left: 50%;
    transform: translateX(-50%); 
}

.free_trial-recital-img{
    width: 60%;
    margin: 0 auto 25px;
}

.lesson-fees-sec{
    background-color: #FFEAF2;
}

._lesson-fees::before{
    content: "Lesson Fees";
    color: #FAA6CC;
    text-shadow: 0px 0px 4px #FFF;
    font-family: "Kiwi Maru";
    font-size: 20px;
    font-style: normal;
    font-weight: 500;
    line-height: 30px; /* 150% */
    letter-spacing: 2px;
    position: absolute;
    top: 0%;
    left: 50%;
    transform: translateX(-50%); 
}

.fees-img{
    width: 95%;
    margin: 0 auto 26px;
}

.lesson-fees-list{
    list-style-type: disc;
    width: 90%;
    margin: 0 auto;
    padding: 0 0 0 1.6rem;
}

.lesson-fees-item{
    font-size: 16px;
    font-style: normal;
    font-weight: 300;
    line-height: 28px;
    letter-spacing: 1.8px;
    margin-bottom: 20px;
}

.free-trial-bottom{
    background-color: #FFF6FD;
    padding-bottom: 20px;
}


/* 以下、recital。htmlのcss */

.recital-sec{
    background-color: #FFF6FD;
    padding-top: 50px;
    padding-bottom: 40px;
}

._recital::before{
    content: "Recital";
    color: #FAA6CC;
    text-shadow: 0px 0px 4px #FFF;
    font-family: "Kiwi Maru";
    font-size: 20px;
    font-style: normal;
    font-weight: 500;
    line-height: 30px; /* 150% */
    letter-spacing: 2px;
    position: absolute;
    top: 0%;
    left: 50%;
    transform: translateX(-50%); 
}



/* 以下、contact.htmlのcss */

.contact-form-sec{
    padding-top: 50px;
    background-color: #FCEAF2;
}

.contact-form-sec > .main-wrap:first-of-type{
    text-align: center;
}

.contact-form-txt{
    display: inline-block;
    max-width: 500px;
}
._contact::before{
    content: "Contact";
    color: #FAA6CC;
    text-shadow: 0px 0px 4px #FFF;
    font-family: "Kiwi Maru";
    font-size: 20px;
    font-style: normal;
    font-weight: 500;
    line-height: 30px; /* 150% */
    letter-spacing: 2px;
    position: absolute;
    top: 0%;
    left: 50%;
    transform: translateX(-50%); 
}

form{
    max-width: 500px; /* 最大横幅 */
    margin: 50px auto; /* 中央揃え */
    
}
label{
    display: block;
    text-align: justify;
    font-family: "Kiwi Maru";
    font-size: 22px;
    font-style: normal;
    font-weight: 500;
    line-height: normal;
    margin-bottom: 15px; 
}
.radio-txt{
    font-weight: 300;
    font-size: 21px;
}
input{
    align-self: stretch;
    border-radius: 15px;
    border: 1px solid #C4C4C4;    
    background: #FFF;
}
input[type="text"],
input[type="email"],
textarea {
    height: 55px;
    width: 100%; /* 横幅いっぱい */
    padding: 10px;
    margin-bottom: 30px; /* 下の余白 */
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box; /* パディング込みのサイズ */
    font-size: 16px;
    border-radius: 15px;
}
textarea {
    height: 150px; /* テキストエリアの高さ */
    resize: vertical; /* 高さのみリサイズ可 */
    background: #FFF;
}
.radio-group{
    margin-bottom: 30px;
}
input[type="radio"] {
    height: 25px;
    width: 25px;
    margin-right: 10px; /* ラジオボタンとテキストの余白 */
    transform: translateY(5px);
}
.radio-item {
    display: flex; /* 横並び */
    align-items: center; /* 中央揃え */
    margin-bottom: 10px;
}
button {
    display: flex;
    width: 100%;
    height: 70px;
    padding: 12px 0;
    font-size: 24px;
    color: #fff;
    background-color: #6DCC65;
    border: none;
    border-radius: 40px;
    overflow: hidden;
    box-sizing: border-box;
    cursor: pointer;
    text-align: center;
    justify-content: center;
    align-items: center;
    transition: background-color 0.3s;
}
button:hover {
    background-color: #4caf7a; /* ホバー時の色 */
}
button div {
    width: 40px;
    margin-left: 10px;
    vertical-align: middle; /* アイコンの位置調整 */
}



/* 以下、correction.htmlのcss */

.confirm-sec{
    padding-top: 50px;
    background-color: #FCEAF2;
}

.confirm-form{
    margin: 0px auto 50px;
}

.confirm-txt{
    margin-bottom: 20px;
}

.correction-button{
    display: flex;
    margin: 60px auto 20px;;
    width: 42%;
    height: 34px;
    padding: 12px 0;
    font-size: 18px;
    color: #fff;
    background-color: #F7A13C;
    border: none;
    border-radius: 30px;
    overflow: hidden;
    box-sizing: border-box;
    cursor: pointer;
    text-align: center;
    justify-content: center;
    align-items: center;
    transition: background-color 0.3s;
}
.correction-button:hover {
    background-color: #dd8827; /* ホバー時の色 */
}        




/* 以下、PC用CSS */

@media screen and (min-width: 950px) {

    body{
        justify-content: space-between;
        background-image: url(../imgs/side-bg.jpg);
        background-size: cover;               /* 画像を要素に合わせて拡大縮小 */
        background-position: center center;   /* 画像の位置を中央に */
        background-repeat: no-repeat;         /* 画像を繰り返さない */
        background-attachment: fixed;         /* 背景を固定 */
        
    }

    /* 左サイドバー */
    .left-sidebar{
        position: fixed;
        top: 0;
        left: 0;
        display: block;
        width: 30%;
        height: 100%;
        text-align: center;
        

    }

    .left-sidebar-wrap {
        height: 100%;
    }
    
    .left-sidebar-container {
        width: 67%;
        height: 100%;
        margin-inline: auto;
        display: flex;
        flex-direction: column;
        justify-content: center
    }
    
    .left-sidebar-logo {
        margin-bottom: 38px;
        width: 77%;
        margin-inline: auto;
    }
    
    .left-sidebar-piano {
        margin-bottom: 38px;
        width: 60%;
        margin-inline: auto;
    }
    
    .left-sidebar-free_trial-button {
        display: inline-block;
        padding: 20px;
        margin-bottom: 24px;
        border-radius: 100px;
        background: #F7A13C;
        box-shadow: 0px 1px 6.07px 0px rgba(42, 42, 42, 0.30);
        color: #FFF;
        text-align: center;
        text-shadow: 0px 0px 3px rgba(0, 0, 0, 0.40);
        font-family: "Noto Sans JP";
        font-size: 16px;
        font-style: normal;
        font-weight: 700;
    }
    .left-sidebar-free_trial-button:hover{
        background: #dd8827;
    }
    
    .left-sidebar-contact-button {
        display: inline-block;
        padding: 20px;
        border-radius: 100px;
        background: #6DCC65;
        box-shadow: 0px 1px 6.07px 0px rgba(42, 42, 42, 0.30);
        color: #FFF;
        text-align: center;
        text-shadow: 0px 0px 3px rgba(0, 0, 0, 0.40);
        font-family: "Noto Sans JP";
        font-size: 16px;
        font-style: normal;
        font-weight: 700;
    }
    .left-sidebar-contact-button:hover{
        background: #52b24a;
    }
    
    .contact-button {
    
    }
    
    
    /* 中央メインコンテンツ */
    main{

        max-width: 690px;
        min-width: 440px;
        width: 40%;
        margin: 50px auto;
        border-radius: 25px;
        box-shadow: 0px 0px 10px 0px rgba(0, 0, 0, 0.20);
    }

    .hamburger-menu{
        display: none;
    }

    .menu-content{
        display: none;
    }

    .header{
        border-radius: 25px 25px 0 0;
        padding-right: 15px;
    }

    /* 右サイドバー */
    .right-sidebar{
        position: fixed;
        top: 0;
        right: 0;
        display: block;
        width: 30%;
        height: 100%;
        text-align: center;
    }

    .right-sidebar-wrap {
        display: contents;
    }
    
    .right-sidebar-container {
        width: 80%;
        height: 100%;
        margin-inline: auto;
        display: flex;
        flex-direction: column;
        justify-content: center
    
    }
    
    .right-sidebar-link {
        display: flex;
        align-items: center;
        margin-left: 10%;
    }
    
    .right-sidebar-img {
        width: 23%;
        margin-right: 12px;
        
    
    }
    
    .right-sidebar-txt {
        font-size: 18px;
    
    }
    .right-sidebar-txt:hover {
        text-decoration: underline; /* ホバー時に下線を追加 */
    }
    
    

}


/* 以下、370px以上440px未満表示CSS */

@media screen and (max-width: 440px) {

    main{
        
    }

    .header{
        padding: 20px 45px 20px 10px;
    }

    .ishikurapiano-header{
        
    }

    .ishikurapiano-logo{
        min-width: 120px;
        
    }

    .hamburger-item {

    }

    .menu-btn span, .menu-btn span:before, .menu-btn span:after{
        width: 28px;
    }
    .menu-btn span:before {
        bottom: 8px;
    }
    .menu-btn span:after {
        top: 8px;
    }
    

    .header_free_trial-button{
        font-size: 12px;
        line-height: 32px;
        margin-right: 6px;
    }

    .menu-btn{
        height: 37px;
        width: 37px;
        right: 5px;
        top: 16px;
    }

    .h2-ttl{
        font-size: 20px;
    }

   .h3-ttl{
        font-size: 18px;
   } 

   .text{
        font-size: 16px;
        line-height: 28px;
        letter-spacing: 2px;
   }

   .category-inner{
        padding: 50px 0 10px;
   }
   .category-container{
        padding: 30px 20px 1px;
   }
   .category-button{
        bottom: 2%;   
        width: 204px;
        height: 43px;
   }
   .category-button-txt{
    font-size: 15px;
   }
   .category-button-icon{
        width: 18px;
        margin-left: 8px;
   }
   .staff-border{
    margin-top: 25px;
   }

   .free_trial-button{
        font-size: 16px;
        height: 52px;
        width: 75%;
        padding: 0;
   }
   .contact-button{
        font-size: 16px;
        height: 52px;
        width: 75%;
        padding: 0;
   }

   .footer-txt{
        font-size: 14px;
   }


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

   label{
    font-size: 18px;
   }

   .radio-txt{
    font-size: 18px;
   }

}


/* 以下、370px未満表示CSS */

@media screen and (max-width: 370px) {
    
    .header{
        padding-top: 16px;
        padding-bottom: 16px;
    }

    h1{
        min-width: 136px;
    }

    .header_free_trial-button {
        line-height: 30px;
        font-size: 11px;
    }
    
    .menu-btn{
        top: 12px;
    }

}