/* Noto Sans JP - Medium (500) */
@font-face {
    font-family: 'Noto Sans JP';
    font-style: normal;
    font-weight: 500;
    src: url('../fonts/NotoSansJP-Medium.woff') format('woff');
    font-display: swap;
}

/* Noto Sans JP - Bold (700) */
@font-face {
    font-family: 'Noto Sans JP';
    font-style: normal;
    font-weight: 700;
    src: url('../fonts/NotoSansJP-Bold.woff') format('woff');
    font-display: swap;
}

/* Noto Sans JP - Black (900) */
@font-face {
    font-family: 'Noto Sans JP';
    font-style: normal;
    font-weight: 900;
    src: url('../fonts/NotoSansJP-Black.woff') format('woff');
    font-display: swap;
}

/* Montserrat - Medium (500) */
@font-face {
    font-family: 'Montserrat';
    font-style: normal;
    font-weight: 500;
    src:url('../fonts/Montserrat-Medium.woff') format('woff');
    font-display: swap;
}

/* Montserrat - Bold (700) */
@font-face {
    font-family: 'Montserrat';
    font-style: normal;
    font-weight: 700;
    src: url('../fonts/Montserrat-Bold.woff') format('woff');
    font-display: swap;
}

body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
}
/* 共通 */
._section-inner{
    width: 80%;
    max-width: 1080px;
    margin: 0 auto;
}

/* header */
header {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 10px 20px;
    background-color: #fff;
    position: fixed;
    width: 100%;
    height: 100px;
    z-index: 1000;
    top: 0;
    left: 0;
    box-sizing: border-box;
}
.header-inner{
    width: 80%;
    max-width: 1080px;
    height: auto;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo {
    width: 20%;
}
.contact-btn{
    background-color: #2370C4;
    padding: 16px 24px;
    white-space: nowrap;
    border-radius: 50px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
}
.contact-btn::before{
    content: "";
    background-image: url(../img/contact.png);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    width: 32px;
    height: 24px;
}
.contact-btn::after{
    content: "";
    background-image: url(../img/contact-arrow.png);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    width: 7px;
    height: 16px;
}
.contact-btn p{
    color: #fff;
    text-align: center;
    /* PC/NotoSansJP_H3 */
    font-family: "Noto Sans JP";
    font-size: 20px;
    font-style: normal;
    font-weight: 700;
    line-height: 170%;
}

nav{
    width: 70%;
    display: flex;
    justify-content: right;
    align-items: center;
    gap: 2%;
}
.nav-links {
    list-style: none;
    display: flex;
    gap: 20px;
}

.nav-links li a {
    color: #2370C4;
    /* Noto Sans JP_H3 */
    font-family: "Noto Sans JP";
    font-size: 20px;
    font-style: normal;
    font-weight: 700;
    line-height: 170%;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    z-index: 100;
    position: relative;
}

.hamburger span {
    height: 3px;
    width: 25px;
    background: #2370C4;
    margin: 4px;
    border-radius: 5px;
    position: relative;
    transition: all 0.3s ease;
}

.hamburger.active span:nth-child(1) {
    position: absolute;
    transform: rotate(45deg)
    translateY(-50%);
    top: 50%;
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    position: absolute;
    transform: rotate(-45deg)
    translateY(-50%);
    top:50%;
}



/* mv */
.mv{
    background-image: url(../img/mv.png);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    width: 100vw;
    height: 700px;
    margin-top: 100px;
}
.mv-inner{
    width: 98%;
    max-width: 1840px;
    margin: 0 auto;
}
.mv-text,.mv-img{
    padding-left: 7%;
}
.mv-img{
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    width: 50%;
    max-width: 800px;
}
.mv-img img{
    width: 30%;
    margin-top: 144px;
}
.mv-text{
    position: relative;
}
.mv-text::after{
    content: "";
    background-image: url(../img/mv-text.png);
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
    display: block;
    width: 60%;
    aspect-ratio: 1000/243;
    background-color: #fff;
    position: absolute;
    left: 0;
    bottom: 0;
    transform: translateY(50%);
    z-index: -1;
}
.mv h1{
    font-size:clamp(2rem, 1.575rem + 1.81vw, 3.75rem) ;
    font-weight: 700;
    font-family: Montserrat;
    color: #fff;
    text-align: center;
    padding-top: 88px;
    line-height: 160%;
    color:#1E1E1E;
    text-align: left;
    margin-bottom: 32px;
}
.mv h1 span{
    color:#2370C4;
}
.mv h2{
    font-size:clamp(1.25rem, 1.125rem + 0.54vw, 1.5rem) ;
    font-weight: 700;
    color:#1E1E1E;
    font-family: Montserrat;
    font-size:clamp(1.5rem, 1.379rem + 0.52vw, 2rem);
    font-style: normal;
    font-weight: 700;
    line-height: 170%; 
}

/* problem */
section.problem{
    background-color: #EDF5FF;
    width: 100%;
    text-align: center;
    padding: 48px 0;
    position: relative;
}
section.problem::after{
    content: "";
    background-color: #EDF5FF;
    display: block;
    width: 100%;
    height: 72px;
    clip-path: polygon(0 0, 100% 0, 50% 100%);
    position: absolute;
    bottom: 1px;
    left: 0;
    transform: translateY(100%);
}
.problem h2{
    color: #2370C4;
    font-family: "Noto Sans JP";
    font-size: clamp(1.5rem, 1.257rem + 1.04vw, 2.5rem);
    font-style: normal;
    font-weight: 900;
    line-height: 170%;
    margin-bottom:48px ;
}
.problem-grid{
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    width: 100%;
    gap: 2%;
}
.p-grid-item{
    width: 100%;
    height: 100%;
}

/* solution */
section.solution{
    background-color: #fff;
    width: 100%;
    text-align: center;
    padding: 150px 0 0;
}
.solution h2{
    color: #2370C4;
    font-family: "Noto Sans JP";
    font-size: clamp(1.5rem, 1.257rem + 1.04vw, 2.5rem);
    font-style: normal;
    font-weight: 900;
    margin-bottom: 48px;
}
.solution-grid{
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    width: 100%;
    gap: 2%;
    margin-bottom: 80px;
}
.s-grid-item{
    color: #fff;
    padding: 24px 36px;
    border-radius: 8px;
    background: linear-gradient(0deg, #2370C4 54.5%, #0C4888 100%);
    box-shadow: 0px 4px 4px 0px rgba(0, 0, 0, 0.10);
}
.s-grid-item h3{
    font-family: "Noto Sans JP";
    font-size: 20px;
    font-style: normal;
    font-weight: 700;
    line-height: 170%;
    margin-bottom: 16px;
}
.s-grid-item-text{
    margin-bottom: 16px;
}
.s-grid-item h3::after{
    content: "";
    background-image: url(../img/line.png);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    display: block;
    width: 100%;
    height: 2px;
    margin-top: 16px;
    margin-bottom: 16px;
}
.s-grid-item p{
    text-align: left;
    font-family: "Noto Sans JP";
    font-size: 16px;
    font-style: normal;
    font-weight: 700;
    line-height: 170%;
}


/* cta */
.cta-inner{
    background-color: #F3AA1A;
    width: 100%;
    padding: 24px;
    box-sizing: border-box;
    position: relative;
    margin-bottom: 140px;
}
.cta-inner::before{
    content: "";
    background-image: url(../img/cta-mail.png);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    display: block;
    aspect-ratio: 1/1;
    height:calc(100% + 48px);
    max-width: 20%;
    position: absolute;
    top: 50%;
    left: 5%;
    transform: translateY(-50%);
}
.cta-content{
    margin-left: 30%;
    display: flex;
    justify-content: space-between;
    align-items: end;
}
.cta-text{
    color: #fff;
    margin-bottom: 20px;
}
.cta-text h2{
    font-family: "Noto Sans JP";
    font-size: clamp(1.5rem, 1.379rem + 0.52vw, 2rem);
    font-style: normal;
    font-weight: 900;
    line-height: 140%;
}
.cta-text h2::after{
    content: "";
    background:#fff;
    display: block;
    width: 60%;
    height:1px;
    margin-bottom: 8px;
}
.cta-text p{
    font-family: "Noto Sans JP";
    font-size: 20px;
    font-style: normal;
    font-weight: 700;
    line-height: 170%;
}
.cta-btn{
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 16px;
    background-color: #fff;
    border-radius: 50px;
    padding: 16px 22px;
    color: #F3AA1A;
    font-family: "Noto Sans JP";
    font-size: 20px;
    font-style: normal;
    font-weight: 700;
    line-height: 170%;
}
.cta-btn::after{
    content: "";
    background-image: url(../img/cta-arrow.png);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    display: block;
    width: 28px;
    aspect-ratio: 1/1;
}


/* usage */
._usage-inner{
    width: 100%;
    padding: 80px 0;
}
._usage-content{
    display: flex;
    justify-content: space-between;
    align-items: start;
}
._u-content-text{
    
}
._u-text-tag{
    background-color: #2370C4;
    font-family: "Noto Sans JP";
    font-size: 16px;
    font-style: normal;
    font-weight: 700;
    line-height: 140%;
    padding: 8px 16px;
    width: fit-content;
    border-radius: 24px;
    margin-bottom: 24px;
}
._u-content-text ._u-text-tag p{
    color: #fff;
}
._u-content-text h3{
    color:  #2370C4;
    /* Noto Sans JP_H2 */
    font-family: "Noto Sans JP";
    font-size: clamp(1.5rem, 1.379rem + 0.52vw, 2rem);
    font-style: normal;
    font-weight: 700;
    line-height: 170%;
    margin-bottom: 24px;
}
._u-content-text p{
    color: #303030;
    /* Noto Sans JP_p */
    font-family: "Noto Sans JP";
    font-size: 16px;
    font-style: normal;
    font-weight: 700;
    line-height: 170%;
}
._u-content-img{
    width: 50%;
}
._usage{
    margin-top: 60px;
}
._usage > p{
    color: #2370C4;
    /* Noto Sans JP_H3 */
    font-family: "Noto Sans JP";
    font-size: 20px;
    font-style: normal;
    font-weight: 700;
    line-height: 170%;
    width: fit-content;
    border-bottom: 2px solid #2370C4;
    margin-bottom: 32px;
}
.usage-grid{
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    width: 100%;
    gap: 2%;
}
.u-grid-item{
    width: 100%;
    position: relative;

}
.u-grid-item::before{
    content: "";
    background: linear-gradient(180deg, transparent 0%,transparent 50%, #FFF 50%, #FFF 100%);
    display: block;
    width: 100%;
    aspect-ratio: 1/1;
    padding-bottom: 8px;

}
.u-grid-item img{
    width: 100%;
    aspect-ratio: 1/1;
    position: absolute;
    top: 0;
    left: 0;
}
.u-grid-item-text{
    position: relative;
    background-color: #fff;
    padding: 0 24px 24px;
    border-radius: 0px 0px 15px 15px;
    box-shadow: 0px 4px 4px 0px rgba(0, 0, 0, 0.15);
}
.u-grid-item-text::before{
    content: "";
    display: block;
    width: 100%;
    aspect-ratio: 2/1;
    padding-bottom: 8px;
    box-shadow: 0px 0px 4px 0px rgba(0, 0, 0, 0.15);
    position: absolute;
    top: 0;
    left: 0;
    transform: translateY(-100%);
    z-index: -1;
}
.u-grid-item-text span{
    color: #2370C4;
    /* Noto Sans JP_H3 */
    font-family: "Noto Sans JP";
    font-size: 20px;
    font-style: normal;
    font-weight: 700;
    line-height: 170%;
}
.u-grid-item-text h3{
    color: #2370C4;
    font-family: "Noto Sans JP";
    font-size: clamp(1.5rem, 1.379rem + 0.52vw, 2rem);
    font-style: normal;
    font-weight: 900;
    line-height: 170%;
    margin-bottom: 8px;
}
.u-grid-item-text p{
    color: #303030;
    /* Noto Sans JP_p */
    font-family: "Noto Sans JP";
    font-size: 16px;
    font-style: normal;
    font-weight: 700;
    line-height: 170%;
}

/* review */
section.review{
    background-color: #EDF5FF;
    padding-top: 40px;
}
.review h2{
    color: #2370C4;
    text-align: center;
    /* Montserrat_H2 */
    font-family: Montserrat;
    font-size: clamp(1.5rem, 1.379rem + 0.52vw, 2rem);
    font-style: normal;
    font-weight: 700;
    line-height: 170%;
    margin-bottom: 40px;
}
.review ._u-content-img{
    position: relative;
}
.review ._u-content-img::after{
    content: "";
    background: #fff;
    display: block;
    width: calc(50vw - 540px);
    height: 99%;
    position: absolute;
    top: 0;
    right: 0;
    transform: translateX(100%);
}

/* survey */


/* ai */
section.ai{
    background-color: #EDF5FF;
    margin-bottom: 144px;
}
.ai ._u-content-img{
    position: relative;
}
.ai ._u-content-img::after{
    content: "";
    background: #fff;
    display: block;
    width: calc(50vw - 540px);
    height: 99%;
    position: absolute;
    top: 0;
    right: 0;
    transform: translateX(100%);
}

/* faq */
section.faq{
    padding-bottom: 160px;
}
.faq h2{
    color:  #2370C4;
    text-align: center;
    margin-bottom: 48px;
    /* Noto Sans JP_H2 */
    font-family: "Noto Sans JP";
    font-size:clamp(1.5rem, 1.379rem + 0.52vw, 2rem);
    font-style: normal;
    font-weight: 700;
    line-height: 170%;
}
._faq-item{
    background: #F0F7FF;
    cursor: pointer;
}
._faq-item p{
    /* Noto Sans JP_H3 */
    font-family: "Noto Sans JP";
    font-size: 20px;
    font-style: normal;
    font-weight: 700;
    line-height: 170%;
}

._faq-item > p{
    display: flex;
    justify-content: left;
    align-items: center;
    gap: 3%;
    position: relative;
    padding:16px 24px ;
}
._faq-item > p::before{
    content: "Q";
    color: #303030;
    /* Montserrat_H3 */
    font-family: Montserrat;
    font-size: 20px;
    font-style: normal;
    font-weight: 500;
    line-height: 170%;
}
._faq-item > p::after{
    content: "";
    position: absolute;
    right: 4%;
    top: 50%;
    transform: translateY(-50%);
    background-image: url(../img/faq-arrow.png);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    display: block;
    width: 20px;
    height: 10px;
}

._answer {
    display: flex;
    justify-content: left;
    align-items: center;
    gap: 3%;
    position: relative;
    padding: 16px 24px;
    background: #2370C4;
    
    /* アニメーション用のプロパティ */
    visibility: hidden; /* 非表示状態 */
    max-height: 0;
    opacity: 0;
    padding-top: 0;
    padding-bottom: 0;
    transition: 
        max-height 0.3s linear,
        opacity 0.2s linear,
        padding 0.2s linear,
        transform 0.2s linear,
        visibility 0s linear 0.3s; /* visibilityの変更を遅延 */
}

._answer::before {
    content: "A";
    color: #fff;
    font-family: Montserrat;
    font-size: 20px;
    font-style: normal;
    font-weight: 500;
    line-height: 170%;
}

._answer p {
    color: #fff;
}

.open ._answer {
    visibility: visible;
    max-height: 500px;
    opacity: 1;
    padding: 16px 24px; /* 元のパディングを復活 */
    transition: 
        max-height 0.3s linear,
        opacity 0.2s linear,
        padding 0.2s linear,
        transform 0.2s linear,
        visibility 0s linear; /* 表示時は遅延なし */
}

/* footer */
footer{
    background-color: #2370C4;
    padding: 80px 0 140px;
}
.footer-inner{
    width: 80%;
    max-width: 1080px;
    margin: 0 auto;
    display: flex;
    justify-content: left;
    align-items: start;
}
.footer-logo{
    width: 30%;
    margin-right: 5%;
}
.footer-address{
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: repeat(2, 1fr);
    width: 60%;
}
.f-address-item{
    color: #fff;
    
}
.f-address-item p{
    font-family: "Noto Sans JP";
    font-size: 18px;
    font-style: normal;
    font-weight: 500;
    line-height: 160%;
}
.f-address-item p:first-of-type{
    font-weight: 700;
    line-height: 180%;
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
}
.f-address-item p:first-of-type::before{
    content: "";
    background-image: url(../img/address.png);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    display: block;
    width: 20px;
    height: 24px;
}


._sp-only{
    display: none;
}
/* f */
@media (max-width: 1080px) {
    .cta-inner::before{
        display: none;
    }
    .cta-content{
        margin: 0 auto;
    }
}
@media (max-width: 900px) {
    ._sp-only{
        display: block;
    }
    ._pc-only{
        display: none;
    }




    .header-inner{
        width: 90%;
    }
    .logo{
        width: 40%;
    }
    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 0;
        right: 0;
        background-color: #333;
        width: 100%;
    }

    .nav-links.active {
        display: flex;
        height: 100vh;
        gap: 32px;
        text-align: center;
        padding-top: 100px;
    }
    .contact-btn{
        width: 80%;
        margin: 0 auto;
    }
    .nav-links li a{
        color: #fff;
    }

    .hamburger {
        display: flex;
    }

    ._section-inner{
        width: 90%;
    }

    .mv{
        background-image: none;
        height: auto;
        background-position: right;
    }
    .mv h1{
        padding-top: 40px;
    }
    .mv-img{
        width: 100%;
        flex-wrap: wrap;
        padding-left: 0;
        margin-bottom: 32px;
    }
    .mv-img img{
        width: 45%;
        margin-top: 16px;
    }
    .mv-text::after{
        width: 100%;
    }


    .problem-grid{
        grid-template-columns: repeat(1, 1fr);
    }


    .solution-grid{
        grid-template-columns: repeat(1, 1fr);
    }

    .cta-inner{
        margin-bottom: 64px;
    }
    .cta-content{
        flex-direction: column;
        align-items: start;
    }
    .cta-text{
        text-align: center;
        text-align: left;
    }

    ._usage-inner{
        width: 90%;
        padding: 40px 0;
    }
    ._usage-content{
        flex-direction: column-reverse;
    }
    ._u-content-img{
        width: 100%;
        margin-bottom: 15px;
    }
    .usage-grid{
        grid-template-columns: repeat(1, 1fr);
        gap: 0;
        row-gap: 16px;
    }
    .u-grid-item{
        width: 100%;
        
    }
    ._u-text-tag p{
        color: #fff;
    }

    section.ai{
        margin-bottom: 64px;
    }

    section.faq{
        padding-bottom: 64px;
    }
    ._faq-item p{
        font-size: 16px;
    }
    ._faq-item > p{
        padding: 16px 10% 16px 8px;
    }

    .footer-inner{
        width: 90%;
        flex-direction: column;
        align-items: start;
    }
    .footer-logo{
        width: 60%;
        margin-right: 0;
    }
    .footer-address{
        width: 100%;
        margin-top: 32px;
        padding-bottom: 32px;
    }
}