@charset "utf-8";
/* ======================
article__header
====================== */
.article__header{
    display: flex;
    min-height: 40vh;
    flex-direction: column;
    align-items: center;
    align-self: stretch;
    position: relative;

    /* 画像を配置 */
    background-image: url(../images/case_hero.jpeg);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.article__header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    
    background-color: rgba(0, 0, 0, 0.6); 
    /* コンテンツの下に配置　*/
    z-index: 1; 
}

.hero {
    display: flex;
    padding: 32px 0;
    flex-direction: column;
    align-items: center;
    align-self: stretch;
}

.pages__hero {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    align-self: stretch;
    z-index: 2;
}

.pages__title {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    align-self: stretch;
}

.title__left {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding-left: 24px;
    gap: 8px;
}

.left__en {
    padding: 4px 0 6px 8px;
    align-items: flex-start;

    border-left: 1px solid var(--primary-orange);

    color: var(--primary-white);
    font-family: "Noto Sans JP";
    font-size: 13px;
    font-style: normal;
    font-weight: 700;
    line-height: 130%; /* 16.9px */
    letter-spacing: 0.65px;
}

.left__ja {
    align-items: center;

    color: var(--primary-white);
    text-align: center;
    font-size: 2.4rem;
    font-weight: 700;
    line-height: 1.3; /* 31.2px */
    letter-spacing: 1.2px;
}

.title__right {
    display: flex;
    flex-direction: column;
    padding: 0 24px;
    justify-content: center;
    align-items: flex-start;
    gap: 32px;
    margin-top: 56px;
    align-self: stretch;
}

.right__lead {
    padding-bottom: 8px;
    align-items: center;

    border-bottom: 2px solid var(--primary-white);

    color: var(--primary-white);
    text-align: center;
    font-size: 2.0rem;
    font-weight: 700;
    line-height: 1.3; /* 26px */
    letter-spacing: 1px;
}

.right__detail {
    align-self: stretch;

    color: var(--primary-white);
    font-size: 1.5rem;
    font-weight: 500;
    letter-spacing: 0.75px;
}

.topics {
   display: flex;
   padding: 0 16px;
   flex-direction: column;
   align-items: center;
   align-self: stretch; 
   position: relative;
}

.topics::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    
    /* 画像を配置 */
    background-image: url(../images/bg.jpg);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    
    /* 不透明度を20%に設定 */
    opacity: 0.2; 
    
    /* コンテンツの下に配置　*/
    z-index: -1; 
}

/* .article__header pc */
@media screen and (min-width: 769px) {
    .article__header {
        min-height: unset;
    }

    .hero {
        padding: 104px 0;
    }

    .pages__hero {
        flex-direction: row;
        margin: 0 auto;
    }

    .pages__title {
       flex-direction: row; 
       align-items: center;
    }

    .title__left {
        padding-left: 0;
        align-items: center;
    }

    .left__en {
        font-size: 1.6rem;
    }

    .left__ja {
        font-size: 3.6rem;
    }

    .title__right {
       margin-top: 0;
       padding-left: 56px;
       padding-right: 0; 
    }

    .right__lead {
        font-size: 4.0rem;
    }

    .right__detail {
        font-size: 1.8rem;
    }

}

/*==========================
fadeIn
==========================*/
.fadeIn {
    transform: translate(0,50px);
    opacity: 0;
    transition: 0.8s;
}

.fadeIn.animated {
    transform: translate(0,0);
    opacity: 1;
}

/* ----------
pageMenu
---------- */
.menu--programs {
    display: flex;
    padding: 0 16px;
    margin-top: 32px;
    margin-bottom: 32px;
    flex-direction: column;
    align-items: center;
    align-self: stretch;
}

.menu__title {
    padding: 0 16px 4px 16px;
    align-items: center;
    border-radius: 2px;
    border-bottom: 1px solid #F27511;

    color: var(--primary-blue);
    text-align: center;
    font-size: 2.0rem;
    font-weight: 700;
    line-height: 1.3; /* 26px */
    letter-spacing: 1px;
}

.menu__container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 100%;
    gap: 16px;
    margin-top: 24px;
}

.pageMenu__list {
    display: flex;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 16px;
}

.pageMenu__item_link {
    display: block; 
    text-decoration: none;
    color: inherit;
    width: 100%;
}

.pageMenu__item {
    display: flex;
    padding: 0 8px 8px 8px;
    justify-content: space-between;
    align-items: center;
    align-self: stretch;

    border-bottom: 1px solid var(--primary-orange);

    color: var(--primary-black);
    font-size: 1.6rem;
    font-weight: 400;
    line-height: 1.3; /* 20.8px */
}

.pageMenu__item:hover {
    color: var(--primary-orange);
    transition: transform 0.3s ease, filter 0.3s ease;
} 

.menu__item .menu__icon {
    width: 16px;
    height: 16px; 
    flex-shrink: 0;
}

/* pageMenu pc */
@media screen and (min-width: 769px) {
    .topics {
        padding: 0;
    }

    .menu--programs {
        margin-top: 0;
        margin-bottom: 0;
        padding: 96px 16px;
    }

    .menu__title {
        padding: 0 24px 8px 24px;
        font-size: 4.0rem;
    }

    .menu__container {
        margin-top: 0;
        padding: 48px 0;
        flex-direction: row;
        max-width: 1320px;
    }

    .pageMenu__list {
        flex-direction: row;
        justify-content: center;
        gap: 40px;
        padding: 0 120px;
    }

    .pageMenu__item {
        font-size: 2.0rem;
    }
}

/* ----------
case
---------- */
.section--case {
    display: flex;
    padding: 0 16px;
    flex-direction: column;
    align-items: center;
    align-self: stretch;
}

.case__inner {
    display: flex;
    width: 100%;
    padding: 32px 0 48px 0;
    flex-direction: column;
    align-items: center;
    gap: 24px;
}

.case__contents {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 24px;
    align-self: stretch;
}

.case__group {
    display: flex;
    padding-bottom: 32px;
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    align-self: stretch;

    border-radius: 2px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.25);
}

.case__num {
    flex-direction: column;
    justify-content: center;
    align-items: center;

    color: var(--primary-blue);
    font-family: Montserrat;
    font-size: 1.6rem;
    font-style: normal;
    font-weight: 500;
    line-height: 1.5; /* 24px */
    letter-spacing: 0.8px;
}

.case__title {
    padding-bottom: 8px;
    justify-content: center;
    align-items: center;
    align-self: stretch;
    border-bottom: 1px solid var(--primary-blue);

    color: #253A73;
    font-size: 2.0rem;
    font-weight: 700;
    line-height: 1.3; /* 26px */
    letter-spacing: 1px;
}

.case__txt {
    align-items: center;
    align-self: stretch;

    color: var(--primary-black);
    font-size: 1.5rem;
    font-weight: 500;
    line-height: 2; /* 30px */
    letter-spacing: 0.75px;
}

.case__org {
    color: var(--primary-orange);
    font-size: 1.5rem;
    font-weight: 600;
    line-height: 2;
    letter-spacing: 0.75px;
}

.case__img--wrapper {
    display: flex;
    flex-direction: column;
}

.case__img {
    width: 100%;
    height: auto;
    aspect-ratio: 4/3;
    overflow: hidden;
    display: block;
}

.case__img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.case__img:nth-of-type(1) {
    display: none;
}

/* case pc */
@media screen and (min-width: 769px) {
    .section--case {
        padding: 0 60px;
    }
    
    .case__inner {
        padding: 0;
        max-width: 1320px;
    }

    .case__contents {
        gap: 64px;
    }

    .case__group {
        padding: 0 0 64px 80px;
        gap: 32px;
    }

    .case__group:nth-of-type(2),
    .case__group:nth-of-type(4) {
        padding: 0 80px 64px 0;
        align-items: flex-end;
    }

    .case__group:nth-of-type(4) {
        margin-bottom: 96px;
    }

    .case__num {
        font-size: 2.0rem;
    }

    .case__title {
        font-size: 3.2rem;
        align-self: auto;
    }

    .case__txt {
        max-width: 756px;
        font-size: 1.6rem;
        align-self: auto;
    }

    .case__org {
        font-size: 1.6rem;
    }

    .case__img--wrapper {
        flex-direction: row;
        gap: 16px;
        width: 70%;
    }

    .case__img:nth-of-type(1) {
        display: block;
    }

    .case__img {
        width: 100%;
        height: auto;
        aspect-ratio: 4/3;
        overflow: hidden;
        display: block;

        box-shadow: 0 4px 12px 0 rgba(0, 0, 0, 0.10);
    }

    .case__img img {
        width: 100%;
        height: 100%;

        object-fit: cover;
        object-position: center;

        border-radius: 2px;
    }

    

}