* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
    color: #333;
    background: #f5f5f5;
    font-family: Arial, Helvetica, "Yu Gothic", "YuGothic", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
    line-height: 1.8;
}
.maintenance-header {
    background: #fff;
    border-top: 5px solid #A01559;
    border-bottom: 1px solid #ddd;
}
.maintenance-header__inner,
.maintenance-main,
.maintenance-footer__inner {
    width: min(100% - 40px, 1040px);
    margin: 0 auto;
}
.maintenance-header__inner {
    display: flex;
    align-items: center;
    min-height: 96px;
}
.maintenance-logo img {
    display: block;
    width: auto;
    max-width: min(330px, 78vw);
    max-height: 68px;
    object-fit: contain;
}
.maintenance-main {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - 187px);
    padding: 64px 0;
}
.maintenance-panel {
    width: 100%;
    padding: 58px 56px;
    background: #fff;
    border-top: 5px solid #A01559;
    box-shadow: 0 2px 12px rgba(0, 0, 0, .08);
    text-align: center;
}
.maintenance-panel h1 {
    margin: 0 0 30px;
    color: #A01559;
    font-size: 28px;
    line-height: 1.5;
}
.maintenance-panel p { margin: 0; font-size: 17px; }
.maintenance-panel p + p { margin-top: 18px; }
.maintenance-home {
    display: inline-block;
    min-width: 220px;
    margin-top: 38px;
    padding: 12px 24px;
    color: #fff;
    background: #A01559;
    text-decoration: none;
}
.maintenance-home:hover { opacity: .85; }
.maintenance-footer { color: #fff; background: #333; }
.maintenance-footer__inner { padding: 22px 0; font-size: 12px; text-align: center; }
@media (max-width: 640px) {
    .maintenance-header__inner { min-height: 78px; }
    .maintenance-logo img { max-height: 56px; }
    .maintenance-main { min-height: calc(100vh - 151px); padding: 36px 0; }
    .maintenance-panel { padding: 38px 24px; text-align: left; }
    .maintenance-panel h1 { font-size: 22px; text-align: center; }
    .maintenance-panel p { font-size: 15px; }
    .maintenance-home { display: block; min-width: 0; text-align: center; }
}