/* ～～～～～～～～～～PC版　TOPCSS～～～～～～～～～～ */
/* ==================KV================== */
.kv {
    position: relative;
    background-color: var(--accent-white);
    overflow: hidden;
}
.kv-img{
    position: relative;
    left: 30%;
    transform: translateX(-30%);
    background-image: url("/img/pc/kv_img.jpg?20260612");
    width: 100%;
    min-width: 1500px;
    height: max(620px, 42vw);
    background-size: cover;
    background-position: bottom;
}
/* ==================ABOUT================== */
.about{
    width: 100vw;
    max-width: 100vw;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    top: -110px;
    margin: 0;
    padding: 0;
    text-align: center;
}
.about p.about-title{
    position: relative;
    max-width:calc(var(--max-width) - 60px);
    font-size: 25px;
    font-weight: 600;
    background-color: var(--primary-light);
    padding: 30px;
    border-radius: 20px 20px 0px 0px;
}
.about p.about-title::before{
    content: "";
    display: inline-block;
    position: absolute;
    left: -29px;
    bottom: 0;
    height: 50px;
    width: 50px;
    background-image: url(/img/common/back_curve.png);
    background-size: contain;
    background-repeat: no-repeat;
    z-index: 10;
}
.about p.about-title::after{
    content: "";
    display: inline-block;
    position: absolute;
    right: -29px;
    bottom: 0;
    height: 50px;
    width: 50px;
    background-image: url(/img/common/back_curve.png);
    background-size: contain;
    background-repeat: no-repeat;
    transform: scaleX(-1);
    z-index: 10;
}
.about div.about-text-box{
    width: 100vw;
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: var(--primary-light);
    padding: 50px 0 80px 0;
    border-radius: 0px 0px 20px 20px;
    font-size: 20px;
    line-height: 1.8;
}
.about div.about-text{
    width: var(--max-width);
    line-height: 2.4;
}
.about .main-btn{
    margin-top:30px;
}
/* ==================お知らせ================== */
.info{
    margin-top:50px;
}
.info__pickup{
    margin-bottom: 80px;
}
.info__pickup .info__item + .info__item{
    margin-top: 60px;
    padding-top: 60px;
    border-top: 1px solid var(--accent-gray);
}
.info__pickup .main-btn{
    margin-top: 25px;
}
.info__pickup .info__title {
    font-size: 25px;
    font-weight: 500;
    margin: 20px 0;
    text-align: left;
}
.info__video{
    margin: 15px 0;
}
.info__video video {
    width: 100%;
    max-width: 400px;
    object-fit: cover;
    object-position: center;
    border-radius: 15px;
}
.info__thumbs{
    display: flex;
    gap: 20px;
    justify-content: center;
}
.info__thumb{
    position: relative;
    height: 150px;
}
.info__thumb .category-label{
    position: absolute;
    top: 10px;
    left: 0px;
    font-size: 12px;
    font-weight: 600;
    padding: 5px 10px;
}
.info__thumb img,.info__thumb video{
    width: 100%;
    max-width: 260px;
    height: 100%;
    object-fit: cover;
    object-position: center;
    border-radius: 15px;
}
.info__thumb_alt{
    font-size: 14px;
}
.info__lead{
    margin-top: 20px;
    text-align: left;
}
.info__slider__box{
    width: 85%;
    margin :20px auto 30px auto;
}
.info__new{
    position: relative;
}
.info__new .info__date{
    text-align: left;
    font-size: 14px;
    color: var(--back-dark);
}
.info__new .info__title{
    text-align: left;
    color: var(--text-color);
    line-height: 1.6;
}
.slider_arrow{
    background-color: transparent;
    border: none;
    height: 60px;
    width: 60px;
    cursor: pointer;
}
.slider_arrow img{
    width: 100%;
    height: 100%;
    object-fit: contain;
}
#info-arrow-right{
    position: absolute;
    top: 40%;
    right: 0;
    transform: rotate(180deg);
}
#info-arrow-left{
    position: absolute;
    top: 40%;
    left: 0;
}
/* ==================主な活動内容================== */
.activities{
    max-width: 100vw;
    margin: 0;
    background-color: var(--primary-light);
    position: relative;
    padding: 0px 20px 100px;
    margin-top: 250px;
}
.wave-top {
  position: absolute;
  top: -160px;
  left: 0;
  width: 100%;
  height: 160px;
}
.activities .description{
    margin-bottom: 50px;
}
.activities__lists{
    max-width: var(--max-width);
    margin: 0 auto;
}
.activities ul{
    display: flex;
    gap: 30px;
    justify-content: center;
    flex-wrap: wrap;
}
.activities ul li{
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    width: 240px;
    flex:1 1 240px;
    background-color: var(--accent-white);
    padding: 20px;
    height: 200px;
    max-height: 200px;
    transition: background-color 0.25s ease;
    border-radius: 10px;
}
.activities ul li:has(a):hover,
.activities ul li:has(a):focus-within{
    background-color: var(--accent-gray);
}
.activities ul li:has(a){
    cursor: pointer;
    border: 2px solid var(--primary-dark);
    box-shadow: 0 10px 24px rgba(0, 62, 76, 0.18);
    transition: background-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}
.activities ul li:has(a)::after{
    content: "詳細はこちら";
    position: absolute;
    right: 12px;
    bottom: 12px;
    font-size: 12px;
    font-weight: 700;
    line-height: 1;
    color: var(--accent-white);
    background-color: var(--primary-dark);
    border-radius: 999px;
    padding: 7px 12px;
    pointer-events: none;
}
.activities ul li:has(a):hover,
.activities ul li:has(a):focus-within{
    box-shadow: 0 16px 30px rgba(0, 62, 76, 0.24);
    transform: translateY(-3px);
}
.activities ul li a{
    font-weight: 700;
}
.activities ul li a::after{
    content: "";
    position: absolute;
    inset: 0;
}
.activities ul li img.activity-icon{
    height: 70px;
    margin-bottom: 20px;
}
.activities ul li img.logo{
    width: 80%;
}

/* ==================新着セミナー================== */
.instructor-list{
    position: relative;
    margin-bottom: 80px;
}
.instructor__thumb{
    position: relative;
    width: 200px;
    height: 200px;
    margin: 0 auto;
}
.instructor__thumb img{
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    border-radius: 20px;
}
.instructor__slider__box{
    width: 85%;
    margin :20px auto;
}
.instructor__name{
    color: var(--text-color);
    font-weight: 600;
    text-align: center;
}
.instructor__discription{
    color: var(--text-color);
    font-size: 15px;
    text-align: center;
    margin-bottom: 10px;
}
.instructor__discription_info{
    margin: 5px auto 0 auto;
    max-width: 600px;
    padding: 10px;
    border-radius: 8px;
    background-color: #eee;
    color: var(--text-color);
    font-size: 15px;
    text-align: left;
}
#instructor-arrow-right{
    position: absolute;
    top: 40%;
    right: 0;
    transform: rotate(180deg);
}
#instructor-arrow-left{
    position: absolute;
    top: 40%;
    left: 0;
}

.seminar__item {
    display: flex;
    align-items: center;
    position: relative;
    gap: 30px;
    padding: 20px 0;
    margin:20px 0;
    border: 2px solid var(--accent-gray);
    border-radius: 20px;
}
.seminar__date {
    flex-shrink: 0;
    width: 200px;
    text-align: center;
    color: var(--primary-dark);
    border-right: 2px solid var(--accent-gray);
}
.seminar__year {
    display: block;
    margin-bottom: 4px;
    font-size: 20px;
    font-weight: 700;
    line-height: 1;
}
.seminar__day {
    display: block;
    font-size: 40px;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 10px;
}
.seminar__time {
    display: block;
    background-color: var(--primary-dark);
    color: var(--accent-white);
    width: 100%;
    font-weight: 500;
    text-align: center;
}
.seminar__item:hover {
    background-color: var(--accent-gray);
}
.seminar__info {
    flex: 1;
}

.seminar__name {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--primary-dark);
}

.seminar__icon {
    height: 32px;
}

.seminar__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 5px 40px;
}

.seminar__meta-item {
    display: flex;
    align-items: center;
    gap: 7px;
}

.seminar__button-wrap{
    width: 270px;
}
.seminar__button-wrap a{
    background-color: var(--accent-orange);
}
.seminar__button-wrap a::after{
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
}
.seminar__more {
    margin-top: 15px;
    text-align: center;
    display: flex;
    align-items: center;
    flex-flow: column;
    gap: 10px;
}

.movie {
    padding: 4px 8px;
    font-size: 14px;
    background-color: #b94047;
    color: #FFFFFF;
    border-radius: 10px;
    white-space: nowrap;
}
.ml05 {
    margin-left: 0.5em;
}