@charset "UTF-8";
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400&family=Noto+Sans+JP:wght@400;700&display=swap');

/* =========================================
   common
========================================= */
:root {
    --main-dark: #18426BF5; 
    --bg-light: #F3F2F2;
    --border-color: #D9D9D9;
    --text-color: #333333;
}

html {
    font-size: 62.5%;
}

body {
    font-family: 'Noto Sans JP', sans-serif;
    font-weight: 400;
    font-size: 1.6rem;
    line-height: 100%;
    letter-spacing: 0%;
    color: var(--text-color);
}

img {
    max-width: 100%;
    height: auto;
    vertical-align: bottom;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 40px 20px 60px;
}

.sp_br {
    display: none;
}

/* =========================================
   title
========================================= */
.section_title {
    font-weight: 700;
    font-size: 2.4rem;
    line-height: 100%;
    letter-spacing: 0%;
    text-align: center;
    margin-bottom: 15px;
    color: #ffffff;
}

.section_title.dark {
    color: var(--main-dark);
}

/* =========================================
   Header
========================================= */
.header {
    width: 100%;
    background: #ffffff;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.header_inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 15px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header_navlist {
    display: flex;
    gap: 30px;
    list-style: none;
    padding: 0;
    margin: 0;
}

.header_navlist a {
    font-family: 'Inter', sans-serif;
    font-weight: 400;
    font-size: 1.6rem;
    line-height: 100%;
    letter-spacing: 0%;
    text-decoration: none;
    color: var(--text-color);
}

.header_logo {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo_img {
    height: 40px;
    width: auto;
}

.logo_text {
    font-family: 'Noto Sans JP', sans-serif;
    font-weight: 700;
    font-size: 1.6rem;
    color: var(--text-color);
}

/*　hamburger　menu */
.hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 30px;
    height: 24px;
    position: relative;
    z-index: 101;
    padding: 0;
}

.hamburger span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--text-color);
    position: absolute;
    left: 0;
    transition: all 0.3s ease;
}

.hamburger span:nth-child(1) { top: 0; }
.hamburger span:nth-child(2) { top: 11px; }
.hamburger span:nth-child(3) { bottom: 0; }

.hamburger.is-active span:nth-child(1) {
    transform: translateY(11px) rotate(45deg);
}

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

.hamburger.is-active span:nth-child(3) {
    transform: translateY(-11px) rotate(-45deg);
}

/* =========================================
   Hero
========================================= */
.hero_img img {
    width: 100%;
    height: 600px;
    object-fit: cover;
}

/* =========================================
   Service 
========================================= */
.service {
    background-color: var(--main-dark);
}

.section_subtitle {
    text-align: center;
    color: #ffffff;
    font-size: 1.6rem;
    margin-bottom: 60px;
    margin-top: 30px;
}

.service_grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 60px;
}

.service_card {
    background: var(--bg-light);
    border-radius: 4px; 
    overflow: hidden;
    text-align: center;
}

.card_img img {
    width: 100%;
    aspect-ratio: 3 / 2;
    object-fit: cover;
}

.card_content {
    font-size: 1.4rem;
    padding: 30px 15px;
    min-height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* =========================================
   Company 
========================================= */
.company {
    background: #ffffff;
}

.company_info {
    max-width: 800px;
    margin: 40px auto 0;
    display: grid;
    grid-template-columns: 200px 1fr;
    border-top: 1px solid var(--border-color);
    border-left: 1px solid var(--border-color);
    border-right: 1px solid var(--border-color);
}

.company_info dt {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    border-right: 1px solid var(--border-color);
    font-weight: 700;
    background-color: #fafafa; 
}

.company_info dd {
    margin: 0;
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
}

/* =========================================
   Recruit
========================================= */
.recruit {
    background-color: var(--main-dark);
    text-align: center;
    padding: 40px 20px 60px;
}

.contact_link {
    display: inline-block;
    color: #ffffff;
    text-decoration: underline;
    margin-top: 40px;
}

/* =========================================
   Footer
========================================= */
.footer {
    padding: 20px;
    text-align: center;
    background: #ffffff;
}

.copyright {
    font-family: 'Noto Sans JP', sans-serif;
    font-weight: 400;
    font-size: 1.2rem;
    line-height: 100%;
    letter-spacing: 0%;
    color: var(--text-color);
}

/* =========================================
　　レスポンシブ
========================================= */
@media screen and (max-width: 768px) {
    .hamburger {
        display: block;
    }

    .header_nav {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: #ffffff;
        box-shadow: 0 4px 5px rgba(0,0,0,0.05);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px);
        transition: all 0.3s ease;
    }

    .header_nav.is-active {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    .header_navlist {
        flex-direction: column;
        text-align: center;
        gap: 0;
    }

    .header_navlist a {
        display: block;
        padding: 20px 0;
        border-bottom: 1px solid var(--border-color);
    }

    .section_subtitle{
        font-size: 1.3rem;
    }
    .container {
        padding: 40px 25px;
    }

    .hero_img img {
        height: 300px;
    }

    .service_grid {
        grid-template-columns: 1fr;
        gap: 30px;
        padding: 0 20px;
    }

    .service_card {
        width: 100%;
        margin: 0 auto; 
    }

    .card_content {
        padding: 25px 15px; 
        font-size: 1.2rem;  
    }

    .company_info {
        grid-template-columns: 1fr;
        border-left: none;
        border-right: none;
        text-align: center;
        font-size: 1.3rem;
    }

    .company_info dt {
        border-right: none;
        border-bottom: none;
        padding: 15px 15px 5px;
        background-color: #fafafa; 
    }

    .company_info dd {
        margin: 0;
        padding: 5px 15px 15px;
        border-bottom: 1px solid var(--border-color);
        word-break: break-all;
    }

    .contact_link {
        font-size: 1.3rem; 
    }

    .sp_br {
        display: block;
    }
}