/* --------------------
 Proposal
-------------------- */
.proposal {
    margin: 0 0 60px;
}

@media (min-width: 768px) {
    .proposal {
        margin-bottom: 120px;
    }
}

.proposal__head {
    margin: 0 0 50px;
}

.proposal__overview {
    margin: 0 0 60px;
}

@media (min-width: 768px) {
    .proposal__overview {
        margin-bottom: 120px;
    }
}

.proposal__overview-container {
    margin: 0;
    padding: 0 15px;
    width: 100%;
}

@media (min-width: 768px) {
    .proposal__overview-container {
        margin-left: auto;
        margin-right: auto;
        max-width: 1080px;
        padding-left: 30px;
        padding-right: 30px;
    }
}

.proposal__overview__main {
    margin: 0 -15px 30px;
}

@media (min-width: 768px) {
    .proposal__overview__main {
        align-items: center;
        display: flex;
        flex-direction: row-reverse;
        justify-content: space-between;
    }
}

.proposal__overview__main__thumb {
    margin: 0 0 30px;
    padding: 0 15px;
}

@media (min-width: 768px) {
    .proposal__overview__main__thumb {
        margin-bottom: 0;
        width: 50%;
    }
}

.proposal__overview__main__content {
    padding: 0 15px;
}

@media (min-width: 768px) {
    .proposal__overview__main__content {
        width: 50%;
    }
}

.proposal__overview__main__content p {
    font-size: 1.4rem;
    line-height: 1.8;
    margin: 0 0 15px;
    text-align: justify;
    text-justify: inter-ideograph;
}

@media (min-width: 768px) {
    .proposal__overview__main__content p {
        font-size: 1.6rem;
    }
}

.proposal__overview__menu {
    align-items: stretch;
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: flex-start;
    margin: 0 -8px;
}

@media (min-width: 768px) {
    .proposal__overview__menu {
        margin-left: -15px;
        margin-right: -15px;
    }
}

.proposal__overview__menu__item {
    margin: 15px 0 0;
    padding: 0 8px;
    width: 50%;
}

@media (min-width: 768px) {
    .proposal__overview__menu__item {
        padding-left: 15px;
        padding-right: 15px;
        width: 33.33333%;
    }
}

.proposal__overview__menu__item:nth-child(1), .proposal__overview__menu__item:nth-child(2) {
    margin-top: 0;
}

@media (min-width: 768px) {
    .proposal__overview__menu__item:nth-child(3) {
        margin-top: 0;
    }
}

.proposal__overview__menu__item__button {
    background-color: #222222;
    border: 1px solid #222222;
    border-radius: 50px;
    color: #ffffff;
    display: block;
    font-size: 1.3rem;
    font-weight: 700;
    line-height: 1.4;
    margin: 0 auto;
    max-width: 380px;
    padding: 12px 5px;
    text-align: center;
    transition: background-color .2s cubic-bezier(.645, .045, .355, 1), color .2s cubic-bezier(.645, .045, .355, 1);
    width: 100%;
}

@media (min-width: 768px) {
    .proposal__overview__menu__item__button {
        font-size: 1.6rem;
        padding-bottom: 15px;
        padding-top: 15px;
    }
}

.proposal__overview__menu__item__button__text {
    display: inline-block;
    padding: 0 20px 0 0;
    position: relative;
}

.proposal__overview__menu__item__button__text:after {
    border-bottom: 1px solid #ffffff;
    border-right: 1px solid #ffffff;
    bottom: 0;
    content: "";
    display: block;
    height: 10px;
    left: auto;
    margin: auto;
    position: absolute;
    right: 0;
    top: 0;
    transform: rotate(45deg);
    transition: border-bottom-color .2s cubic-bezier(.645, .045, .355, 1), border-right-color .2s cubic-bezier(.645, .045, .355, 1);
    width: 10px;
}

.proposal__overview__menu__item__button:hover, .proposal__overview__menu__item__button:focus {
    background-color: #ffffff;
    color: #222222;
}

.proposal__overview__menu__item__button:hover .proposal__overview__menu__item__button__text:after, .proposal__overview__menu__item__button:focus .proposal__overview__menu__item__button__text:after {
    border-bottom-color: #222222;
    border-right-color: #222222;
}

.proposal__case-container {
    margin: 0;
    padding: 0 15px;
    width: 100%;
}

@media (min-width: 768px) {
    .proposal__case-container {
        margin-left: auto;
        margin-right: auto;
        max-width: 1080px;
        padding-left: 30px;
        padding-right: 30px;
    }
}

.proposal__case__list__item {
    margin: 0 0 120px;
}

.proposal__case__list__item:last-child {
    margin-bottom: 0;
}

.proposal__case__list__item__head {
    border-bottom: solid 3px rgba(55, 97, 173, .3);
    margin: 0 0 20px;
    position: relative;
}

@media (min-width: 768px) {
    .proposal__case__list__item__head {
        align-items: flex-end;
        display: flex;
        flex-direction: row;
        justify-content: flex-start;
    }
}

.proposal__case__list__item__head__label {
    display: block;
    font-family: "Noto Serif JP", "游明朝", YuMincho, "ヒラギノ明朝 ProN W3", "Hiragino Mincho ProN", "HG明朝E", "ＭＳ Ｐ明朝", serif;
    font-size: 1.8rem;
    font-style: italic;
    font-weight: 700;
    position: relative;
    white-space: nowrap;
}

@media (min-width: 768px) {
    .proposal__case__list__item__head__label {
        font-size: 2.0rem;
    }
}

@media (min-width: 992px) {
    .proposal__case__list__item__head__label {
        font-size: 2.4rem;
    }
}

@media (min-width: 768px) {
    .proposal__case__list__item__head__label:before {
        border-bottom: solid 3px #5472cd;
        bottom: -3px;
        content: "";
        display: block;
        height: 3px;
        left: 0;
        position: absolute;
        right: 0;
        top: auto;
        width: auto;
    }
}

.proposal__case__list__item__head__label .colored {
    color: #3761ad;
    font-size: 1.8rem;
    padding: 0 0 0 5px;
}

@media (min-width: 768px) {
    .proposal__case__list__item__head__label .colored {
        font-size: 2.2rem;
    }
}

@media (min-width: 992px) {
    .proposal__case__list__item__head__label .colored {
        font-size: 2.8rem;
    }
}

.proposal__case__list__item__head__title {
    display: block;
    font-size: 1.8rem;
    font-weight: 700;
    margin: 0;
    padding: 0;
}

@media (min-width: 768px) {
    .proposal__case__list__item__head__title {
        font-size: 2.2rem;
        padding-left: 25px;
    }
}

@media (min-width: 992px) {
    .proposal__case__list__item__head__title {
        font-size: 2.8rem;
    }
}

.proposal__case__list__item__head__title__text {
    display: block;
    position: relative;
}

.proposal__case__list__item__head__title__text:before {
    border-bottom: solid 3px #5472cd;
    bottom: -3px;
    content: "";
    display: block;
    height: 3px;
    left: 0;
    position: absolute;
    right: 0;
    top: auto;
    width: 2em;
}

@media (min-width: 768px) {
    .proposal__case__list__item__head__title__text:before {
        display: none;
    }
}

@media (min-width: 992px) {
    .proposal__case__list__item__blk {
        align-items: stretch;
        display: flex;
        flex-direction: row;
        justify-content: space-between;
    }
}

.proposal__case__list__item__blk__main {
    align-items: center;
    display: flex;
    flex-direction: row-reverse;
    justify-content: space-between;
    margin: 0 0 126px;
    padding: 0;
    position: relative;
}

@media (min-width: 992px) {
    .proposal__case__list__item__blk__main {
        display: block;
        margin-bottom: 0;
        padding-right: 50px;
        width: 35%;
    }
}

.proposal__case__list__item__blk__main:after {
    background-image: url(../../assets/images/icons/icon-arrow-bottom-black.svg);
    background-position: center;
    background-repeat: no-repeat;
    background-size: 57px 76px;
    bottom: -96px;
    content: "";
    display: block;
    height: 76px;
    left: 0;
    margin: auto;
    position: absolute;
    right: 0;
    top: auto;
    width: 57px;
}

@media (min-width: 992px) {
    .proposal__case__list__item__blk__main:after {
        background-image: url(../../assets/images/icons/icon-arrow-right-black.svg);
        background-size: 76px 57px;
        bottom: 0;
        height: 57px;
        left: auto;
        right: -38px;
        top: 0;
        transform: none;
        width: 76px;
    }
}

.proposal__case__list__item__blk__main__content {
    border: 1px solid #222222;
    border-radius: 12px;
    flex-grow: 1;
    flex-shrink: 1;
    margin: 0 0 30px;
    padding: 15px;
    position: relative;
}

.proposal__case__list__item__blk__main__content:after {
    background-color: #ffffff;
    border-bottom: 1px solid #222222;
    border-right: 1px solid #222222;
    bottom: auto;
    content: "";
    display: block;
    height: 16px;
    left: -8.48528px;
    margin: auto;
    position: absolute;
    right: auto;
    top: 30px;
    transform: rotate(135deg);
    width: 16px;
}

@media (min-width: 992px) {
    .proposal__case__list__item__blk__main__content:after {
        bottom: -8.48528px;
        right: 0;
        top: auto;
        transform: rotate(45deg);
    }
}

.proposal__case__list__item__blk__main__content p {
    font-size: 1.4rem;
    line-height: 1.8;
    margin: 0 0 15px;
    text-align: justify;
    text-justify: inter-ideograph;
}

.proposal__case__list__item__blk__main__content p:last-child {
    margin-bottom: 0;
}

@media (min-width: 768px) {
    .proposal__case__list__item__blk__main__content p {
        font-size: 1.6rem;
    }
}

.proposal__case__list__item__blk__main__content p .large {
    font-size: 1.6rem;
    font-weight: 700;
}

@media (min-width: 768px) {
    .proposal__case__list__item__blk__main__content p .large {
        font-size: 2.0rem;
    }
}

.proposal__case__list__item__blk__main__illust {
    flex-grow: 0;
    flex-shrink: 0;
    padding: 0 30px 0 0;
    width: 110px;
}

@media (min-width: 992px) {
    .proposal__case__list__item__blk__main__illust {
        padding-right: 0;
        position: static;
        text-align: center;
        width: auto;
    }
}

.proposal__case__list__item__blk__solution {
    padding: 0;
}

@media (min-width: 992px) {
    .proposal__case__list__item__blk__solution {
        padding-left: 50px;
        width: 65%;
    }
}

.proposal__case__list__item__blk__solution-inner {
    padding: 0 95px 0 0;
    position: relative;
}

@media (min-width: 768px) {
    .proposal__case__list__item__blk__solution-inner {
        padding-right: 115px;
    }
}

@media (min-width: 992px) {
    .proposal__case__list__item__blk__solution-inner {
        padding-right: 150px;
    }
}

.proposal__case__list__item__blk__solution__title {
    background-color: #3761ad;
    color: #ffffff;
    display: block;
    margin: 0 0 20px;
    padding: 5px 15px;
    text-align: center;
}

.proposal__case__list__item__blk__solution__title__ja {
    font-family: "Noto Serif JP", "游明朝", YuMincho, "ヒラギノ明朝 ProN W3", "Hiragino Mincho ProN", "HG明朝E", "ＭＳ Ｐ明朝", serif;
    font-size: 2.0rem;
    margin: 0 15px 0 0;
}

@media (min-width: 768px) {
    .proposal__case__list__item__blk__solution__title__ja {
        font-size: 2.8rem;
    }
}

.proposal__case__list__item__blk__solution__title__en {
    font-family: "Noto Serif JP", "游明朝", YuMincho, "ヒラギノ明朝 ProN W3", "Hiragino Mincho ProN", "HG明朝E", "ＭＳ Ｐ明朝", serif;
    font-size: 2.0rem;
}

@media (min-width: 768px) {
    .proposal__case__list__item__blk__solution__title__en {
        font-size: 2.8rem;
    }
}

.proposal__case__list__item__blk__solution__detail {
    border: 1px solid #3761ad;
    border-radius: 12px;
    margin: 0 0 30px;
    padding: 15px 15px 15px 15px;
    position: relative;
}

.proposal__case__list__item__blk__solution__detail:after {
    background-color: #ffffff;
    border-bottom: 1px solid #3761ad;
    border-right: 1px solid #3761ad;
    bottom: 60px;
    content: "";
    display: block;
    height: 16px;
    left: auto;
    margin: auto;
    position: absolute;
    right: -8.48528px;
    top: auto;
    transform: rotate(-45deg);
    width: 16px;
}

.proposal__case__list__item__blk__solution__detail p {
    font-size: 1.4rem;
    line-height: 1.8;
    margin: 30px 0 30px;
    text-align: justify;
    text-justify: inter-ideograph;
}

.proposal__case__list__item__blk__solution__detail p:first-child {
    margin-top: 0;
}

.proposal__case__list__item__blk__solution__detail p:last-child {
    margin-bottom: 0;
}

@media (min-width: 768px) {
    .proposal__case__list__item__blk__solution__detail p {
        font-size: 1.6rem;
    }
}

.proposal__case__list__item__blk__solution__detail p .large {
    font-size: 1.6rem;
    font-weight: 700;
}

@media (min-width: 768px) {
    .proposal__case__list__item__blk__solution__detail p .large {
        font-size: 2.0rem;
    }
}

.proposal__case__list__item__blk__solution__detail p.center {
    text-align: center;
}

.proposal__case__list__item__blk__solution__detail__list {
    margin: 0;
    text-align: center;
}

.proposal__case__list__item__blk__solution__detail__list-inner {
    display: inline-block;
}

.proposal__case__list__item__blk__solution__detail__list__item {
    font-size: 1.6rem;
    font-weight: 700;
    margin: 0 0 5px;
    text-align: left;
}

.proposal__case__list__item__blk__solution__detail__list__item:last-child {
    margin-bottom: 0;
}

@media (min-width: 768px) {
    .proposal__case__list__item__blk__solution__detail__list__item {
        font-size: 2.0rem;
    }
}

.proposal__case__list__item__blk__solution__detail__list__item__text {
    display: block;
}

.proposal__case__list__item__blk__solution__illust {
    bottom: 0;
    position: absolute;
    right: 0;
    text-align: right;
    width: 80px;
}

@media (min-width: 768px) {
    .proposal__case__list__item__blk__solution__illust {
        width: 100px;
    }
}

@media (min-width: 992px) {
    .proposal__case__list__item__blk__solution__illust {
        width: 140px;
    }
}

.proposal__case__list__item__gallery {
    margin: 30px 0 0;
}

.proposal__case__list__item__gallery__item {
    margin: 0 auto;
    max-width: 522px;
    text-align: center;
}

.proposal__case__list__item__gallery__item--full {
    max-width: 100%;
}

.proposal__case__list__item__gallery__list {
    margin: 0 -8px;
}

@media (min-width: 768px) {
    .proposal__case__list__item__gallery__list {
        align-items: stretch;
        display: flex;
        flex-direction: row;
        justify-content: center;
    }
}

.proposal__case__list__item__gallery__list__item {
    margin: 0 auto 15px;
    max-width: 522px;
    padding: 0 8px;
}

.proposal__case__list__item__gallery__list__item:last-child {
    margin-bottom: 0;
}

@media (min-width: 768px) {
    .proposal__case__list__item__gallery__list__item {
        margin-bottom: 0;
        margin-left: 0;
        margin-right: 0;
        max-width: none;
        width: 50%;
    }
}