@media screen and (min-width: 721px) {
  .sec-about_youth .youth-img:has(+ .youth-img) {
    margin-bottom: 43px;
  }
  .c-btn__01 a {
    font-size: 1.4rem;
    padding: 10px 40px 11px 11px;
  }
  .c-btn__01 a:after {
    width: 8px;
    height: 8px;
    border-width: 2px 2px 0 0;
    right: 14px;
    top: calc(50% - 4px);
    box-sizing: border-box;
  }
  .youth-info + .youth-info {
    margin-top: 10px;
  }
  .youth-info {
    flex-wrap: nowrap;
  }
  .youth-info__txt {
    max-width: 618px;
    display: flex;
    flex-wrap: wrap;
    gap: 0 20px;
  }
  .youth-info__txt .youth-info-name {
    display: inline-block;
    width: 19rem;
  }
  .youth-kanji__img {
    width: 320px;
    float: right;
    margin-top: -17px;
  }
  .page-about_youth .sec-support_member {
    padding-bottom: 120px;
    margin-bottom: 65px;
  }
  .sec-support_member:after {
    min-width: 1140px;
    right: auto;
    left: 50%;
    transform: translateX(-50%);
  }
  .youth-activity {
    font-size: 1.6rem;
    line-height: 1.875;
  }
  .youth-activity th, .youth-activity td {
    vertical-align: top;
    text-align: left;
  }
  .youth-activity th {
    width: 35px;
    white-space: nowrap;
    font-weight: 500;
    text-align: right;
  }
  .youth-activity td {
    padding-left: 53px;
  }
  .youth-activity td li {
    padding-left: 19px;
    position: relative;
  }
  .youth-activity td li:before {
    content: "";
    display: block;
    position: absolute;
    width: 8px;
    aspect-ratio: 1;
    border-radius: 50%;
    left: 0;
    top: 12px;
    background: #000;
  }
  .youth-activity_slider {
    width: 100%;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    align-items: flex-start;
    gap: 60px 0;
  }
  .youth-activity_slider .youth-activity_slider_item {
    width: 31.4814814815%;
  }
  .youth-activity_slider .youth-activity_slider_item .cap {
    text-align: center;
    font-size: 1.4rem;
    line-height: 1;
    margin: 11px auto 0;
  }
  .youth_insta_qr {
    width: 140px;
    margin: 0;
  }
}
@media screen and (max-width: 720px) {
  .sec-about_youth .youth-img:has(+ .youth-img) {
    margin-bottom: 26px;
  }
  .c-btn__01 a {
    font-size: 1.35rem;
    padding: 11px 35px 12px 13px;
  }
  .c-btn__01 a:after {
    width: 8px;
    height: 8px;
    border-width: 2px 2px 0 0;
    right: 14px;
    top: calc(50% - 4px);
    box-sizing: border-box;
  }
  .youth-info-name {
    display: block;
  }
  .page-about_youth .sec-support_member {
    margin-bottom: 48px;
  }
  .youth-activity {
    font-size: 1.5rem;
    line-height: 1.733;
  }
  .youth-activity tr {
    display: block;
  }
  .youth-activity th, .youth-activity td {
    display: block;
    text-align: left;
  }
  .youth-activity th {
    white-space: nowrap;
    font-weight: 500;
  }
  .youth-activity td li {
    padding-left: 26.5px;
    position: relative;
  }
  .youth-activity td li:before {
    content: "";
    display: block;
    position: absolute;
    width: 8px;
    aspect-ratio: 1;
    border-radius: 50%;
    left: 8px;
    top: 12px;
    background: #000;
  }
  .youth-activity_slider_wrap {
    width: calc(100% + 30px);
    overflow: hidden;
  }
  .youth-activity_slider {
    width: 855px;
    display: flex;
    left: -15px;
    padding: 0 0 118px;
  }
  .youth-activity_slider .youth-activity_slider_item {
    width: 285px;
    padding: 0 15px;
  }
  .youth-activity_slider .youth-activity_slider_item .cap {
    text-align: left;
    font-size: 1.3rem;
    line-height: 1;
    margin: 20px auto 0;
  }
  .youth-activity_slider .slick-dots {
    bottom: 62px;
    left: 15px;
    display: flex;
    justify-content: flex-start;
    gap: 7.5px;
  }
  .youth-activity_slider .slick-dots li {
    margin: 0;
  }
  .youth-activity_slider .slick-dots li button {
    padding: 0;
    width: 9px;
    aspect-ratio: 1;
    border-radius: 50%;
    background: #dcdcdc;
  }
  .youth-activity_slider .slick-dots li button:before, .youth-activity_slider .slick-dots li button:after {
    display: none;
  }
  .youth-activity_slider .slick-dots li.slick-active button {
    background: #007bc2;
  }
  .youth-activity_slider .slick-prev, .youth-activity_slider .slick-next {
    transform: none;
    top: auto;
    bottom: 57px;
    width: 15px;
    height: 15px;
    z-index: 2;
  }
  .youth-activity_slider .slick-prev:before, .youth-activity_slider .slick-next:before {
    content: "";
    display: block;
    font-size: 0;
    color: transparent;
    box-sizing: border-box;
    width: 100%;
    height: 100%;
    border: #007bc2 1px solid;
    border-width: 0 1px 1px 0;
    transform-origin: center;
    transform: rotate(135deg);
  }
  .youth-activity_slider .slick-prev {
    left: calc(100vw - 65px - 80px);
  }
  .youth-activity_slider .slick-next {
    left: calc(100vw - 65px - 30px);
  }
  .youth-activity_slider .slick-next:before {
    transform: rotate(-45deg);
  }
  .youth_insta_qr {
    width: 140px;
    margin: 0;
  }
}
@media screen and (max-width: 640px) {
  .c-btn__01:not(.long) {
    text-align: left;
  }
  .c-btn__01 a {
    font-size: 1.35rem;
  }
}