@charset "utf-8";

/* ============
COMMUNITY: HEADER
============ */
.article__header {
    text-align: center;
    font-family: "Montserrat";
    font-size: 2.6rem;
    font-weight: 500;
    line-height: normal;
    margin-top: 40px;
}

.section__title {
    text-align: center;
}


/* header - our story: PC 769px --end-- */

/* ============
COMMUNITY: lead
============ */
.collabo__lead {
    width: 100%;
    height: auto;
    display: flex;
    flex-direction: column;
}

.lead__pic {
    height: 200px;
    aspect-ratio: 375/200;
    object-fit: cover;
    object-position: top;
    margin: 48px 0 0;
}

.lead__topic {
    font-size: 2.2rem;
    font-weight: 600;
    margin-top: 40px;
    text-align: center;
}

.lead__txt {
    padding: 0 var(--contentPadding);
    font-size: 1.6rem;
    margin-top: 24px;
    text-align: start;
}

.collabo__link {
    width: var(--contentWidth);
    margin: 48px auto 0;
}

.lead__lead {
    font-size: 2.2rem;
    font-weight: 600;
    line-height: normal;
    text-align: center;
    margin-top: 40px;
}

.collabo__link ol {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 24px;
}

.collabo__link li {
    height: 70px;
    padding: 20px 12px;
    color: var(--primary-white);
    background-color: var(--gray-high);
    transition: opacity 0.3s ease;
}

.collabo__link li:hover,
.collabo__link li:active {
    opacity: .7;
}

.collabo__link span {
    display: flex;
    justify-content: space-between;
    align-items: center;
    align-self: stretch;
    font-size: 1.6rem;
    font-weight: 500;
}

.collabo__link svg {
    display: block;
}


/* section: vision/ mission: PC 769px */
@media screen and (min-width:769px) {
    .collabo__lead {
        width: 100%;
        height: auto;
        flex-direction: row-reverse;
        justify-content: space-between;
        margin-top: 60px;
    }

    .lead__pic {
        width: 48vw;
        height: auto;
        margin-left: 63px;
        object-position: center;
    }

    .lead__wrap {
        width: 52vw;
        margin-left: 12.5%;
        margin-top: 52px;
    }

    .lead__lead {
        margin-top: 100px;
    }

    .lead__topic {
        padding: 0;
        font-size: 2.6rem;
        font-weight: 600;
        margin: 40px 0;
        text-align: left;
    }

    .lead__txt {
        padding: 0;
        font-size: 1.8rem;
    }

    .collabo__link {
        margin: 80px auto 160px;
    }

    .collabo__link ol {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        justify-items: center;
        gap: 16px 16px;
        margin: 40px auto;
        max-width: 1200px;
    }

    .collabo__link li {
        height: 70px;
        width: 100%;
        padding: 20px 24px;
        border: 1px solid #292929;
    }

    .collabo__link span {
        display: flex;
        justify-content: space-between;
        align-items: center;
        align-self: stretch;
        font-size: 1.7rem;
        font-weight: 500;
    }

    .brSp {
        display: none;
    }
}


@media (min-width: 1024px) {
    .lead__lead br {
        display: none;
    }
}


/* === Main Header END === */

/* ============
section: Project contents
============ */
/* ---pic slider ---  */

.collabo__picWrap {
    width: 100%;
    margin-top: 64px;
}

.collabo__slider {
  position: relative;
  width: 100%;
  aspect-ratio: 3 / 2;   /* ← 横3：縦2に統一 */
  overflow: hidden;
}

.collabo__slider li {
    position: absolute;
    inset: 0;
    opacity: 0;
    animation: collaboSlide 12s infinite;
}
.collabo__slider img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.collabo__slider li:nth-child(1) {
    animation-delay: 0s;
}

.collabo__slider li:nth-child(2) {
    animation-delay: 4s;
}

.collabo__slider li:nth-child(3) {
    animation-delay: 8s;
}


@keyframes collaboSlide {
    0% {
        opacity: 0;
    }

    8% {
        opacity: 1;
    }

    33% {
        opacity: 1;
    }

    41% {
        opacity: 0;
    }

    100% {
        opacity: 0;
    }
}

/* ---pic slider END---  */

.collabo__wrap {
    width: var(--contentWidth);
    margin: 24px auto;
}

.collabo__title {
    font-size: 2rem;
    font-weight: 600;
    line-height: normal;
}

.collabo__txt {
    margin-top: 20px;
}

.collabo__description {
    display: flex;
    align-items: center;
    text-align: center;
    gap: 16px;
}

.description__icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    flex-shrink: 0;
}

.description__content {
    flex: 1;
    text-align: start;
    margin-top: 20px;
}

.description__title {
    font-size: 1.8rem;
    font-weight: 600;
}

.description__txt {
    margin-top: 4px;
}


/* PCレイアウト（769px以上） */
@media (min-width: 769px) {
    .collabo__content {
        display: flex;
        gap: 4%;
        margin-top: 120px;
    }

    .collabo__content:nth-of-type(2n) {
        flex-direction: row-reverse;
    }

    .collabo__picWrap {
        width: 40%;
        max-width: 650px;
        margin-top: 0;
    }

    .collabo__pic {
        width: 100%;
        height: auto;
        object-fit: cover;
        margin-left: 0;
    }

    .collabo__wrap {
        width: 54%;
        max-width: 840px;
        margin: 0;
    }

    .collabo__title {
        font-size: 2.6rem;
        margin-top: 0;
    }

    .collabo__txt {
        margin-top: 32px;
        font-size: 1.8rem;
    }

    .description__wrap {
        margin-top: 32px;
    }

    .collabo__description {
        flex-direction: row;
        align-items: flex-start;
        text-align: left;
        margin-bottom: 32px;
        gap: 20px;
    }

    .description__icon {
        width: 60px;
        height: 60px;
        font-size: 12px;
    }

    .description__content {
        text-align: left;
        margin: 0;
    }

    .description__title {
        font-size: 2rem;
    }

    .description__txt {
        font-size: 1.7rem;
    }

}

/* === new == */
.collabo__new {
    margin-top: 80px;
}

.new__wrap {
    margin: 24px auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
    text-align: center;
    width: 90%;
}
.new__content img{
  width: 100%;
  aspect-ratio: 2 / 1;
  height: auto;    
  object-fit: cover;   
  object-position: top;
  display: block;
}

.description__txt {
    font-size: 1.5rem;
    text-align: start;
}

/* PC=== new ==  */
@media (min-width: 769px) {
    .collabo__new {
        max-width: 1200px;
        margin: 120px auto;
    }

    .collabo__wrap--new {
        width: 100%;
        max-width: 1200px;
    }

    .new__wrap {
        display: flex;
        flex-direction: row;
        gap: 4%;
        justify-content: center;
        margin-top: 40px;
        width: 100%;
    }

    .new__content {
        width: 30%;
    }

    .new__wrap .description__title {
        font-size: 1.8rem;
        font-weight: 600;
        margin-top: 12px;
    }

    .description__txt {
        font-size: 1.6rem;
        text-align: justify;
    }
}

/* === bottom cta == */
.collabo__cta {
    display: block;
    margin: 96px auto;
    width: 90%;
    max-width: 400px;
    padding: 12px 16px;
    background-color: var(--text-black);
    color: var(--primary-white);
    text-decoration: none;
    text-align: center;
    line-height: 1.2;
    font-size: 1.8rem;
    transition: opacity 0.3s ease;
}

.collabo__cta span {
    display: block;
    margin-top: 6px;
    font-size: 1.4rem;
}

.collabo__cta:hover,
.collabo__cta:active {
    opacity: .7;
}