/* =========================================================
   HEADER
========================================================= */

.site-header {
    width: 100%;
    background: #fff;
}

.header-catch-area {
    width: 100%;
    max-width: 960px;
    margin: 0 auto;
    padding: 8px 20px;
    text-align: center;
    font-size: 13px;
    line-height: 1.4;
    letter-spacing: 0.05em;
}

.header-logo-area {
    position: relative;
    width: 100%;
    height: 50px;
    overflow: visible;
    display: flex;
    align-items: center;
    justify-content: center;
}

.header-catch-area {
    position: absolute;
    top: 5px;
    left: 50%;
    z-index: 10;
    transform: translateX(-50%);
    color: ;
    font-size: 13px;
    line-height: 1.2;
    white-space: nowrap;
}

.header-main {
    width: min(960px, calc(100% - 48px));
    min-height: 100px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
}

.header-brand {
    display: block;
}

.header-brand img {
    display: block;
    width: 240px;
    max-width: 100%;
    height: auto;
}

.mobile-header-row {
    display: none;
}
.header-wave {
    position: relative;
    width: 100%;
    height: 50px;
    overflow: hidden;
}

.header-wave img {
    display: block;
    width: 100%;
    height: 50px;
    object-fit: cover;
}

.header-wave .tagline {
    position: absolute;
    top: 3px;
    left: 50%;
    z-index: 2;
    margin: 0;
    transform: translateX(-50%);
    color: #2169a0;
    font-size: 13px;
    line-height: 1.2;
    white-space: nowrap;
}
@media screen and (max-width: 480px) {

    /* Smartphone: only logo + MENU remain visible. */
    .header-catch-area,
    .header-logo-area {
        display: none;
    }

    .header-main {
        width: 100%;
        height: 62px;
        min-height: 62px;
        padding: 6px 14px;
    }

    .mobile-header-row {
        position: fixed;
        top: 0;
        left: 0;
        z-index: 2000;
        display: flex;
        align-items: center;
        justify-content: space-between;
        width: 100%;
        height: 62px;
        padding: 6px 14px;
        background: rgba(255, 255, 255, 0.97);
        border-bottom: 1px solid #ddd;
        box-shadow: 0 1px 5px rgba(0, 0, 0, 0.08);
    }

    .mobile-header-row .header-brand {
        width: auto;
        max-width: calc(100% - 100px);
    }

    .mobile-header-row .header-brand img {
        width: 170px;
        max-width: 100%;
        height: auto;
    }

    .pc-header-brand {
        display: none;
    }
}