@charset "UTF-8";

/* 
=======================================================*/
body {
    background-color: var(--color_2);
}

#pagetitle {
    background-image: url(../img/pagetitle-bg_about.png);
}

.br_pc {
    display: block;
}

.br_tab {
    display: none;
}


/*バッジを非表示*/
.grecaptcha-badge {
    display: none;
}

@media screen and (max-width: 1024px) {
    .br_tab {
        display: block;
    }
}

@media screen and (max-width: 896px) {
}

@media screen and (max-width: 480px) {
    .br_pc {
        display: none;
    }
}
/* 導入部分
=======================================================*/

.about .base_w #about_top {
    position: relative;
    width: 100%;
    max-width: 1080px;
    margin: 0 auto;
    padding: 10% 15%;
    border: 0.5px solid #333;
    box-sizing: border-box;
    opacity: 0;
}
.about .base_w #about_top.on {
    opacity: 1;
    transition: 3s;
}

.about .base_w #about_top h2 {
    font-size: 36px;
    letter-spacing: 0.4em;
    margin: 0 auto 40px;
    text-align: center;
}

.about .base_w #about_top p {
    max-width: 700px;
    margin: 0 auto 40px;
    font-size: 20px;
    word-break: break-all;
    opacity: 0;
    transition: .5s
}

.about .base_w #about_top p:last-child {
    margin-bottom: 0;
}

.about .base_w #about_top > p.on {
    animation: under-fadeIn 1s linear .5s  forwards;
}

/*ドット背景*/
.about .base_w #about_top .bg-dot {
    position: absolute;
    bottom: -100px;
    right: -70px;
    width: 30%;
    height: 50%;
    z-index: -100;
    /*  ドット状の背景を作成  */
    background-image: radial-gradient(#eaeaea 20%, rgba(255,255,255,0) 20%);
    background-size: 30px 30px;
}

@media screen and (max-width: 1024px) {
}

@media screen and (max-width: 896px) {
    .about .base_w #about_top {
        padding: 10%;
    }

    .about .base_w #about_top .bg-dot {/*ドット背景*/
        bottom: -70px;
        right: -50px;
        width: 30%;
        height: 50%;
        background-size: 20px 20px;
    }
}

@media screen and (max-width: 480px) {
    .about .base_w #about_top {
        padding: 10% 5%;
    }

    .about .base_w #about_top h2 {
        font-size: 20px;
        margin-bottom: 20px;
        font-size: 24px;
    }

    .about .base_w #about_top p {
        font-size: 16px;
    }

    .about .base_w #about_top .bg-dot {/*ドット背景*/
        bottom: -70px;
        right: -20px;
        width: 200px;
        height: 140px;
    }
}

/* Sail.の強み
=======================================================*/

.about .base_w #strengths {
    position: relative;
    width: 100%;
    max-width: 1280px;
    margin: 100px auto;
}

.about .base_w #strengths .title {
    position: relative;
    display: inline-block;
    font-size: 48px;
    letter-spacing: 0.2em;
    line-height: 2;
    margin: 50px auto;
    padding: 50px 0;
}

.about .base_w #strengths .title::before {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    width: 100vw;
    height: 10px;
    background-color: var(--color_1);
}

.about .base_w #strengths section {
    margin-bottom: 200px;
    text-align: center;
    opacity: 0;
    transition: .5s;
}

.about .base_w #strengths > section.on {
    animation: under-fadeIn .5s linear .5s  forwards;
}

.about .base_w #strengths section h2 {
    display: inline;
    position: relative;
    text-align: center;
    font-size: 36px;
    line-height: 1.8;
}

.about .base_w #strengths section h2::before {
    content: "01";
    position: absolute;
    top: -98%;
    left: -10%;
    font-size: 120px;
    font-family: "Nothing You Could Do", cursive;
    color: rgba(61, 127, 226, 0.5);
    transform: rotate(-5deg);
    z-index: -100;
}


.about .base_w #strengths section.second h2::before {
    content: "02";
}

.about .base_w #strengths section p {
    max-width: 1080px;
    margin: 0 auto;
    padding: 20px 20%;
    box-sizing: border-box;
}

.about .base_w #strengths section p:first-of-type {
    padding-top: 50px;
}

.about .base_w #strengths h3 {
    text-align: center;
    font-size: 24px;
}
/*三角背景*/
.about .base_w #strengths .bg-triangle{
    position: absolute;
    top: 15%;
    left: -10%;
    width: 110vw;
    height: 75%;
    background-color: #3D7FE20d;
    z-index: -100;
    clip-path: polygon(0 0, 100% 50%, 0 100%);
}

@media screen and (max-width: 1024px) {
}

@media screen and (max-width: 896px) {
    .about .base_w #strengths .title {
        font-size: 36px;
        line-height: 1.6;
        padding-top: 30px;
    }

    .about .base_w #strengths section {
        margin-bottom: 150px;
    }

    .about .base_w #strengths section h2 {
        font-size: 30px;
    }

    .about .base_w #strengths section h2::before {
        top: -120%;
    }

    .about .base_w #strengths section p {
        padding: 20px 10%;
    }

    .about .base_w #strengths h3 {
        margin: 0 auto;
    }

    .about .base_w #strengths .bg-triangle{
        top: 25%;
        height: 55%;
    }
}

@media screen and (max-width: 480px) {
    .about .base_w #strengths {
        margin: 50px auto 100px;
    }

    .about .base_w #strengths .title {
        margin-bottom: 50px;
        font-size: 24px;
    }


    .about .base_w #strengths section h2 {
        line-height: 1.6;
        font-size: 24px;
    }

    .about .base_w #strengths section h2::before {
        top: -140%;
        font-size: 90px;
    }

    .about .base_w #strengths section.second h2::before {
        top: -150%;
    }


    .about .base_w #strengths section p {
        padding: 15px 4%;
    }

    .about .base_w #strengths section p:first-of-type {
        padding-top: 30px;
    }

    .about .base_w #strengths h3 {
        text-align: left;
        font-size: 20px;
    }

    .about .base_w #strengths h3 .br_tab {
        display: none;
    }
}
@media screen and (max-width: 421px) {
    .about .base_w #strengths section.second h2::before {
        top: -90%;
    }

}

/* SUMMARY概要
=======================================================*/
.about .base_w .summary {
    width: 80%;
    margin: 100px auto;
    padding-top: 50px;
    background-color: var(--color_2);
    box-shadow:  -4px -4px 6px 0 #fff,
              4px 4px 6px  0 rgba(174, 174, 192, .2), 
    inset 4px 4px 6px 0 #fff,
    inset -4px -4px 6px 0 rgba(174, 174, 192, .2);
    border-radius: 50px;
    opacity: 0;
}
.about .base_w .summary.on {
    opacity: 1;
    transition: .5s;
}

.about .base_w .summary .h2_box {
    opacity: 0;
}

.about .base_w .summary .h2_box.on {
    animation: summary-fadeIn 1s linear .5s forwards;
}
@keyframes summary-fadeIn {
    0%{ opacity: 0;}
    100%{ opacity: 1;}
} 

.about .base_w .summary dl {
    display: flex;
    flex-wrap: wrap;
    width: 100%;
    max-width: 1080px;
    margin: 0 auto;
    padding: 20px 20% 70px;
    letter-spacing: 1.4;
    opacity: 0;
}

.about .base_w .summary dl.on {
    animation: summary-fadeIn 1s linear .5s forwards;
}

.about .base_w .summary dl dt {
    width: 35%;
    padding-left: 3%;
    line-height: 4;
    font-weight: bold;
    border-bottom: 0.5px solid var(--color_4);
}

.about .base_w .summary dl dd {
    width: 65%;
    line-height: 4;
    border-bottom: 0.5px solid var(--color_4);
}

@media screen and (max-width: 1024px) {
    .about .base_w .summary {
        width: 100%;
    }
}

@media screen and (max-width: 896px) {
    .about .base_w .summary dl {
        padding: 20px 10% 70px;
        letter-spacing: 1.4;
    }
}

@media screen and (max-width: 480px) {
    .about .base_w .summary {
        padding-top: 30px;
    }

    .about .base_w .summary dl {
        display: block;
        padding: 10px 5% 50px;
    }

    .about .base_w .summary dl dt {
        width: fit-content;
        margin: 20px auto 0;
        padding-left: 0;
        line-height: 1.8;
        font-size: 14px;
        border-bottom: 3px dotted var(--color_4);
    }

    .about .base_w .summary dl dd {
        width: 100%;
        line-height: 3.4;
        font-size: 14px;
        text-align: center;
    }

}
@media screen and (max-width: 421px) {
}