@charset "UTF-8";

.menu {
    opacity: 1;
    pointer-events: auto;
}
.color_orange {
    color: var(--color-orange);
}
@media (min-width: 769px) {
    .menu {
        transition: opacity .5s;
    }
    .menu.is_hidden {
        opacity: 0;
    }
}
.kv {
    margin-inline: auto;
    position: relative;
}
.kv_img {
    width: 100%;
}
.kv_inner {   
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    max-width: 1280px;
    margin-inline: auto;
    display: flex;
    align-items: flex-start;
    width: 100%;
    flex-direction: column;
    line-height: 1.5;
}
.kv_ttl {
    display: flex;
    flex-direction: column;
}
.kv_name_wrap {
    display: flex;
    flex-direction: column;
}
.page_contents {
    display: flex;
    flex-direction: column;
    line-height: 2;
}
.section_lead {
    max-width: 1280px;
    margin-inline: auto;
    width: 100%;
    display: flex;
    justify-content: space-between;
}
.section_divider {
    margin-inline: auto;
    width: 100%;
}
.section_divider_img {
    width: 100%;
}
.section_article {
    margin-inline: auto;
    width: 100%;
    display: flex;
    justify-content: space-between;
}
.section_article_ttl {
    display: flex;
    flex-direction: column;
    line-height: 1.5;
    position: relative;
}
.section_article_ttl::after {
    display: block;
    content: '';
    width: 40px;
    height: 1px;
    background-color: #fff;
    position: absolute;
    bottom: 0;
    left: 0;
}
.section_article_ttl_chapter {
    color: var(--color-orange);
}
.section_article_ttl_main {
    display: flex;
    flex-direction: column;
}
.btn_back_wrap {
    text-align: center;
}
.btn_back {
    display: inline-block;
    border: 1px solid var(--color-white);
}

@media (min-width: 769px) {
    .main {
        padding-top: 100px;
    }
    .kv_inner {   
        padding-inline: 40px;
        gap: 20px;
        justify-content: center;
    }
    .page_contents {
        gap: 150px;
        padding-block: 200px;
    }
    .section_lead {
        gap: 40px;
        padding-inline: 40px;
    }
    .section_lead_info_wrap {
        width: 44%;
    }
    .section_lead_img_wrap {
        width: 56%;
    }
    .section_article {
        max-width: 1280px;
        gap: 40px;
        padding-inline: 40px;
    }
    .section_article:nth-of-type(odd) {
        flex-direction: row-reverse;
    }
    .section_article:nth-of-type(even) .section_article_img_wrap,
    .section_article:nth-of-type(odd) .section_article_info_wrap {
        width: 56%;
        flex: 0 0 auto;
    }
    .section_article:nth-of-type(even) .section_article_info_wrap,
    .section_article:nth-of-type(odd) .section_article_img_wrap {
        flex: 1 1 auto;
    }
    .section_article_ttl {
        padding-bottom: 40px;
        gap: 10px;
    }
    .section_article_ttl_chapter {
        font-size: 13px;
    }
    .section_article_ttl_main {
        font-size: 25px;
    }
    .section_article_txt_wrap {
        margin-top: 40px;
        font-size: 14px;
    }
    .section_article_txt_wrap p + p {
        margin-top: 20px;
    }
    .btn_back {
        padding-block: 6px;
        font-size: 14px;
        width: 120px;
    }
}
@media (max-width: 768px) {
    .kv {
        height: 100svh;
    }
    .kv_inner {
        padding-top: 80rem;
        padding-left: 25rem;
        gap: 15rem;
    }
    .kv_img {
        height: 100%;
        object-fit: cover;
    }
    .kv_ttl {
        font-size: 25rem;
    }
    .kv_name_wrap {
        font-size: 14rem;
    }
    .page_contents {
        gap: 60rem;
        padding-block: 80rem;
    }
    .section_lead {
        flex-direction: column;
        padding-inline: 22rem;
        font-size: 11rem;
        gap: 20rem;
    }
    .section_divider {
        height: 80rem;
    }
    .section_divider_img {
        object-fit: cover;
        height: 100%;
    }
    .section_article {
        flex-direction: column;
        padding-inline: 22rem;
        gap: 20rem;
    }
    .section_article_ttl {
        padding-bottom: 20rem;
        gap: 10px;
    }
    .section_article_ttl_chapter {
        font-size: 10rem;
    }
    .section_article_ttl_main {
        font-size: 18rem;
    }
    .section_article_txt_wrap {
        margin-top: 20rem;
        font-size: 11rem;
    }
    .section_article_txt_wrap p + p {
        margin-top: 10rem;
    }
    .btn_back {
        padding-block: 6rem;
        font-size: 14rem;
        width: 120rem;
    }
}
.page_contents {
    perspective: 1500px;
}
.animation_ready .js_reveal {
    opacity: 0;
    transform: rotateX(-15deg) translateY(35px) scale(0.94);    
    transform-origin: center center;
    transition: transform 2.5s cubic-bezier(0.23, 1, 0.32, 1), opacity 2.5s cubic-bezier(0.23, 1, 0.32, 1);
}
.animation_loaded .js_reveal.is_visible {
    opacity: 1;
    transform: none;
}
.animation_ready .js_reveal_txt {
    opacity: 0;
    transform: scale(0.9);    
    transform-origin: center center;
    transition: transform 2.5s cubic-bezier(0.23, 1, 0.32, 1), opacity 2.5s cubic-bezier(0.23, 1, 0.32, 1);
}
.animation_loaded .js_reveal_txt.is_visible {
    opacity: 1;
    transform: none;
}