.hero {
    margin: 0 auto;
    width: min(100%, 1200px);
}

.logo {
    margin: 0 auto;
    padding: 3em 0;
    width: min(50%, 360px);
}

.lead {
    margin: 0 auto;
    padding: 0 0 3em;
    width: min(90%, 1200px);
    font-size: clamp(16px, .911rem + .29vw, 18px);
    line-height: 2;
    font-weight: 500;
    text-align: left;

    user-select: none;
}

.lead p {
    margin: 0 auto;
    width: min(100%, 1200px);
}

.lead-head {
    font-size: 24px;
}

.project-area {
    margin: 0 auto;
    padding-bottom: 3em;
    width: 100%;
    text-align: center;
}

.special-area {
    margin: 0 auto;
    padding-bottom: 3em;
    width: 100%;
    background: #ffffff;
    text-align: center;
}

.block {
    margin: 0 auto;
    width: min(100%, 900px);
}

.block-inner {
    margin: 0 auto;
    padding: 0 0 2em;
}

.project-logo,
.special-logo {
    margin: 0 auto;
    text-align: center;
}

.project-logo img,
.special-logo img {
    padding: 3em 0 0;
    width: min(70%, 360px);
}

.big-title {
    margin: 0 auto;
    padding: .1em 0;
    width: 90%;
    font-size: 32px;
    line-height: 1.2;
    font-weight: 500;
    color: #d6225c;
}

.sp-title {
    margin: 1em auto;
    padding: .5em 0;
    width: 90%;
    background: #d6225c;
    font-size: 18px;
    line-height: 1.3;
    font-weight: 500;
    color: #ffffff;
}

.youtube-block {
    position: relative;
    margin: 0 auto;
    padding: 0;
    width: 90%;

    aspect-ratio: 16 / 9;
}

.youtube-block iframe {
    width: 100%;

    aspect-ratio: 16 / 9;
}

.project-banner {
    margin: 0 auto;
    width: min(100%, 900px);
    text-align: center;
}

.project-banner li {
    display: block;
    margin: 3em auto 1em;
    width: 90%;
    text-align: center;
}

.project-banner li + * {
    margin-top: 1.5em;
}

.project-banner li img {
    display: block;
    margin: 0 auto;
    width: 100%;
    box-shadow: 0px 2px 2px rgba(59, 51, 51, .2);
}

.special-logo {
    margin: 0 auto;
    padding: 0 0 3em;
    text-align: center;
}

.special-banner {
    margin: 3em auto 0;
    width: 90%;
    text-align: center;
}

.btn-block {
    margin: 3em auto -2.5em;
    width: 90%;
}

@media screen and (min-width: 801px) {
    .lead p {
        margin: 0 auto;
        width: min(90%, 1200px);
    }

    .block {
        width: min(90%, 1200px);
    }

    .block-inner {
        margin: 0 auto;
        padding: 0 2em 2em;
        width: min(85%, 900px);
    }

    .lead-head {
        font-size: 32px;
    }

    .project-banner li + * {
        margin-top: 3em;
    }

}



/* スライドショー */
.hero-area {
    margin: 0 auto -1em;
    width: 100%;
}

.slider-block {
    margin: 0 auto;
    width: min(100%, 1200px);
    width: 100%;
}

.slick-active::before {
    display: none;
}

.slider-item img {
    margin: 0 auto;
    width: 100%;
}

.slide-arrow {
    display: flex;
    position: absolute;
    top: 50%;
    z-index: 99;
    justify-content: center;
    align-items: center;
    width: 20px;
    filter: drop-shadow(2px 2px 1px rgba(0, 0, 0, .3));
    transform: translateY(-50%);
    cursor: pointer;
}

.prev-arrow {
    left: .5vw;
}

.next-arrow {
    right: .5vw;
}

@media screen and (min-width: 801px) {
    .slide-arrow {
        display: flex;
        position: absolute;
        top: 50%;
        z-index: 999;
        justify-content: center;
        align-items: center;
        width: 45px;
        transform: translateY(-50%);
        cursor: pointer;
    }

    .prev-arrow {
        left: 17.7vw;
        padding-left: 5px;
    }

    .next-arrow {
        right: 17.7vw;
        padding-right: 5px;
    }

    .hero-area {
        margin: 0 auto;
    }

    .slider-item img {
        margin: 0 auto;
        width: calc(100% - 24px);
    }
}