@charset "UTF-8";

/*============================
// alphabet
//============================*/

.sp-img,
.sp-show {
    display: block;
}
@media screen and (min-width: 768px) {
    .sp-img,
    .sp-show {
        display: none;
    }
}

.pc-img,
.pc-show {
    display: none;
}
@media screen and (min-width: 768px) {
    .pc-img,
    .pc-show {
        display: block;
    }
}

.alphabet .attention {
    color: #c27979;
}

.alphabet a {
    color: #666;
}
.alphabet h3 {
    font-size: 25px;
    font-size: 2.5rem;
    letter-spacing: 0.05em;
    line-height: 1.3;
    font-feature-settings: "palt";
    font-weight: bold;
    background: none;
    padding: 0;
}
@media screen and (min-width: 768px) {
    .alphabet h3 {
        margin-top: 3.2em;
    }
}
.alphabet h3:after {
    content: "";
    display: block;
    width: 65px;
    height: 4px;
    background: #284b7d;
    margin-top: 10px;
}

.alphabet h4 {
    font-size: 18px;
    font-size: 1.8rem;
    font-weight: bold;
    line-height: 1.4;
    margin-top: 2.4em;
    border-left: 4px solid #284b7d;
    border-bottom: none;
    padding-left: 0.5em;
}

.alphabet h5 {
    color: #333;
    font-size: 16px;
    font-size: 1.6rem;
    font-weight: bold;
}

.alphabet  ul {
    padding: 0;
}
.alphabet  ul li {
    list-style-type: none;
}

.alphabet .item {
    margin-top: 2.4em;
}
.alphabet .item__txt {
    position: relative;
    padding-top: 1em;
}
.alphabet .item__txt::before {
    content: "";
    display: block;
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 0 20px 20px 20px;
    border-color: transparent transparent #fff transparent;
    position: absolute;
    left: 50%;
    top: -20px;
    margin-left: -20px;
    z-index: 99;
}
.alphabet .item__txt.no-arrow::before {
    content: none;
}
@media screen and (min-width: 768px) {
    .alphabet .item__txt {
        padding-bottom: 2em;
    }
}
.alphabet .title__wrap {
    margin-top: 3.2em;
}
.alphabet .title__wrap h2 {
    margin-top: 0;
    background: #284b7d;
    font-size: 22px;
    font-size: 2.2rem;
    text-align: center;
    font-weight: normal;
    color: #fff;
    padding: 1em;
    position: relative;
}
.alphabet .title__wrap h2::after {
    content: "";
    display: block;
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 20px 20px 0 20px;
    border-color: #284b7d transparent transparent transparent;
    position: absolute;
    left: 50%;
    bottom: -20px;
    margin-left: -20px;
    z-index: 99;
}
.alphabet .title__img {
    position: relative;
}
.alphabet .title__img .mask {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    justify-content: center;
    align-items: center;
}
.alphabet .title__img .caption {
    width: 84%;
    height: 46%;
    border: 1px solid #fff;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    font-size: 22px;
    font-size: 2.2rem;
    color: #fff;
}
.alphabet .title__img .line {
    display: block;
    width: 1px;
    height: 23%;
    border-left: 1px dashed #fff;
    position: absolute;
    bottom: 0;
    left: 50%;
}
@media screen and (max-width: 767px) {
    .alphabet .title__wrap {
        margin-left: -15px;
        margin-right: -15px;
    }
}
.alphabet .main-visual {
    position: relative;
    margin-top: 3.2em;
}
.alphabet .main-visual .mask {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    background: rgba(255, 255, 255, 0.3);
    display: flex;
    justify-content: center;
    align-items: center;
}
.alphabet .main-visual .txt {
    width: 80%;
}
@media screen and (max-width: 767px) {
    .alphabet .main-visual {
        margin-left: -15px;
        margin-right: -15px;
    }
}
@media screen and (min-width: 768px) {
    .alphabet .main-visual .txt {
        width: 40%;
    }
}
.alphabet .img-slider,
.alphabet .img-slider_pc {
    width: 100%;
    overflow: hidden;
}
.alphabet .color-list {
    display: flex;
    flex-wrap: wrap;
}
@media screen and (max-width: 767px) {
    .alphabet .color-list {
        margin-left: -15px;
        margin-right: -15px;
    }
    .alphabet .color-list li {
        width: 33.3333%;
    }
}
@media screen and (min-width: 768px) {
    .alphabet .color-list li {
        width: 25%;
    }
}
.alphabet .item-list {
    display: flex;
    flex-wrap: wrap;
    margin-top: 0;
}
.alphabet .item-list li {
    text-align: center;
    line-height: 1.3;
}
.alphabet .item-list li dl {
    margin: 0;
}
.alphabet .item-list li dl dt {
    text-align: left;
}
.alphabet .item-list li dl dd {
    text-align: left;
    margin: 10px 0 0 0;
    padding: 0;
    font-size: 14px;
    font-size: 1.4rem;
}
.alphabet .item-list li dl .title {
    font-size: 18px;
    font-size: 1.8rem;
    margin-top: 10px;
}
.alphabet .item-list li dl .img {
    margin: 0;
}
@media screen and (max-width: 767px) {
    .alphabet .item-list {
        justify-content: space-between;
    }
    .alphabet .item-list li {
        width: calc(50% - 10px);
        margin-top: 20px;
    }
}
@media screen and (min-width: 992px) {
    .alphabet .item-list li {
        width: calc(25% - 15px);
        margin-top: 20px;
    }
    .alphabet .item-list li:nth-child(odd) {
        margin-right: 15px;
    }
    .alphabet .item-list li:nth-child(2) {
        margin-right: 15px;
    }
    .alphabet .item-list li:nth-child(6) {
        margin-right: 15px;
    }
}