@charset "UTF-8";
/*======================
common
======================== */
.lesson_main {
    line-height: 1.7;
}
h3 {
    font-size: 3rem;
    font-weight: 700;
    margin-top: 90px;
    align-items: center;
    gap: 10px;
} 
h3::before {
    content: "■ ";
    color: #8F88B9; 
    font-size: 1.8rem; 
  }
h4 {
    font-size: 2rem;
    font-weight: 700;
}
h5 {
    font-size: 2rem;
    font-weight: 700;
    text-align: left;
    margin-top: 10px;
}
/* common pc */
@media screen and (min-width:769px) {
    .lesson h3 {
        display: block;
        margin-bottom: 30px;
    }
}
/* pc */
/*======================
page_header
======================== */
.page_header {
    background-image: url(../images/header_lesson.png);
    background-size: cover;
    padding: 100px;
}
.page_header h2 {
    font-size: 4rem;
    color: #FFF;
    font-weight: 700;
}
/* .header pc */
@media screen and (min-width:769px) {
    .page_header {
        background-image: url(../images/header_lesson_pc.png);
        background-repeat: no-repeat;
    }
}
/* pc */
/*======================
Main
======================== */
/* overview */
.overview h3 {
    margin: 0;
}
.overview span {
    color: #B59A9A;
}
.overview {
    background-image: url(../images/background_lesson.png);
    background-repeat: no-repeat;
    background-size: cover;
    padding: 36px 0 52px;
}
.overview_link {
    margin-top: 16px;
}
.overview img {
    width: 212.525px;
    height: auto;
    margin-top: 24px;
}
table {
    margin: 20px auto;
}
th,td {
    display: block;
    width: 100%; 
}
th {
    padding: 10px;
    background-color: #B59A9A;
    font-weight: bold;
    color: #fff;
    font-size: 2rem;
    text-align: center;
}
td {
    padding: 25px 40px;
    font-size: 1.5rem;
    font-weight: 700;
    text-align: center;
    background-color: rgba(255, 255, 255, 0.5); 
}
.overview_btn a {
    border-radius: 30px;
    width: 287.969px;
    height: 55.545px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 33px auto 0;
    color: #fff;
    font-size: 2.5rem;
    font-weight: 700;
    position: relative;
}
/* アイコンのスタイル */
.overview_btn a::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    right: 36px;
    width: 10px;
    height: 10px;
    margin: auto;
    border-top: 3px solid #fff;
    border-right: 3px solid #fff;
    transform: rotate(45deg);
    box-sizing: border-box;
  }
.registration-btn  {
    background: #004DBF;
    border-bottom: 5px solid #09449B;
}
.registration-btn:hover {
    background-color: rgba(0, 77, 191, 0.8);
}
.contact-btn {
    background: #E5A911;
    border-bottom: 5px solid #D0990C;
}
.contact-btn:hover {
    background-color: rgba(229, 169, 17, 0.8);
}
/* overview pc */
@media screen and (min-width: 769px){
    .overview_link {
        display: flex;
        justify-content: center;
        gap: 30px;
    }
    .overview img {
        width: 377px;
        height: auto;
    }
    .overview_btn {
        border-radius: 50px;
        font-size: 4rem;
        margin: 70px auto 0;
        display: flex;
    }
    .overview_btn a {
        width: 534px;
        height: 85px;
        border-radius: 50px;
    }
    .overview_btn a::after {
        right: 60px;
        width: 15px;
        height: 15px;
      }
    .overview_btn::after {
        width: 137px;
        height: 157px;
        top: -57px;
        left: -20px;
    }
    .overview_btn::before {
        width: 42px;
        height: 30px;
        top: 37px;
        right: 58px;
    }
    tr {
        display: flex; 
        flex-direction: row;
        justify-content: space-between;
        margin-top: 2px;
    }
    th,td {
        display: flex; 
        align-items: center;
    }
    th {
        width: 192px;
        padding: 25px;
    }
    td {
        width: 611px;
        font-size: 2rem;
        font-weight: 700;
    }
}
/* pc */

/* Conversation Lessons */
.conversationlessons {
    padding-top: 75px;
}
.lesson_img {
    margin: 34px 12px 0;
    width: 550px;
}
.lesson_box h4 {
    margin-top: 58px;
}
.lesson_item {
    margin-top: 35px;
}
.lesson_item img {
    width: 400px;
}
.lesson_text {
    margin: 2em 0;
    border-left: solid 10px #8F88B9;
    display: flex;
    align-items: center;
}
.lesson_item p {
    margin: 0; 
    padding: 0;
}    
.lesson_item p {
    margin: 16px 12px 0;
    text-align: left;
    font-size: 1.5rem;
    font-weight: 400;
}
/* Conversation Lessons */
@media screen and (min-width:769px) {
    .lesson_item {
        display: flex;
    }
    .lesson_item:nth-of-type(2) {
        flex-direction: row-reverse;
    }
    .lesson_img {
        width: 900px;
        margin: 0;
    }
    .lesson_item p {
        margin: 0 10px;
    }
}
/* pc */
/* 3key */
.lesson_key {
    background: #F9F9F9;
    padding: 56px 0 95px;
}
.key_item {
    margin: 50px 37px 0;
}
.key_item p {
    margin-top: 2rem;
    text-align: left;
    font-size: 1.5rem;
}
.key_item img {
    width: 170px;
}
/* 3key */
@media screen and (min-width:769px) {
    .lesson_key {
        margin: 75px 0;
    }
    .key_item {
        display: flex;
        justify-content: center;
        align-items: anchor-center;
    }
    .key_item img {
        width: 200px;
        height: fit-content;
    }
    .key_text {
        width: 900px;
        margin-left: 15px;
    }
}
/* pc */

/* JLPT Course */
.JLPTcourse h4 {
    margin: 22px 0 50px;
}
/* features */
.features_item {
    margin: 45px 17px;
}
.features_item p {
    text-align: left;
    font-size: 1.5rem;
    font-weight: 400;
}
.features_box {
    padding: 0.5em 1em;
    margin: 15px 0;
    font-weight: bold;
    color: #6091d3;
    background: #fff;
    border: solid 3px #6091d3;
    border-radius: 10px;
}
.features_box h4 {
    margin: 0; 
    padding: 0;
}
/* Conversation Lessons */
@media screen and (min-width:769px) {
    .features_container {
        display: flex;
        flex-wrap:wrap;
        justify-content: center;
        margin-top:  30px;
    }
    .features_item {
        width: 34%;
        margin: 0 20px;
    }
    .features_box {
        height: 77px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
}
/* PC */
/* studyschedule */
.studyschedule p {
    text-align: left;
    font-size: 1.8rem;
    font-weight: 400;
    max-width: 1000px;
    margin: 30px auto 0;
}
.studyschedule img {
    margin: 25px 0 66px;
}