* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: #261309;
    font-family: "Yu Gothic", "Hiragino Kaku Gothic ProN", sans-serif;
    background-color: #07142d;
}

.site-info-page {
    min-height: calc(100vh - 110px);
    padding: 24px 18px 36px;
    background-color: #07142d;
    background-image: url("../images/menu/menu-stage1-space-bg.png");
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
}

.site-info-panel {
    position: relative;
    isolation: isolate;
    width: min(100%, 980px);
    margin: 0 auto;
    padding: 72px 56px 60px;
    background-color: #fffdf7;
    background-image:
        linear-gradient(rgba(255, 253, 247, 0.8), rgba(255, 250, 238, 0.8)),
        url("../images/menu/menu-stage1-parchment.png");
    background-position: center;
    background-size: cover;
    border-radius: 18px;
    box-shadow: 0 10px 28px rgba(20, 15, 8, 0.38);
}

.site-info-panel::before {
    position: absolute;
    z-index: 0;
    inset: -16px;
    box-sizing: border-box;
    border: 39px solid transparent;
    border-image-source: url("../images/menu/menu-panel-frame-9slice-pc.png");
    border-image-slice: 155 155 155 155;
    border-image-width: 39px;
    border-image-repeat: stretch;
    border-radius: 18px;
    content: "";
    filter: saturate(1.08) contrast(1.06);
    pointer-events: none;
}

.site-info-panel::after {
    position: absolute;
    z-index: 1;
    top: 18px;
    left: 50%;
    width: 44px;
    height: 44px;
    background-image: url("../images/menu/menu-brand-sun-emblem.png");
    background-image: image-set(
        url("../images/menu/menu-brand-sun-emblem.webp") type("image/webp") 1x,
        url("../images/menu/menu-brand-sun-emblem.png") type("image/png") 1x
    );
    background-position: center;
    background-repeat: no-repeat;
    background-size: contain;
    content: "";
    pointer-events: none;
    transform: translateX(-50%);
}

.site-info-header,
.site-info-back,
.site-info-content {
    position: relative;
    z-index: 1;
}

.site-info-header {
    margin-bottom: 34px;
    text-align: center;
}

.site-info-kicker {
    display: flex;
    margin: 0 0 10px;
    align-items: center;
    justify-content: center;
    gap: 12px;
    color: #804003;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.2em;
}

.site-info-kicker::before,
.site-info-kicker::after {
    display: block;
    width: 54px;
    height: 1px;
    background: linear-gradient(90deg, transparent, #bc7818, transparent);
    content: "";
}

.site-info-header h1 {
    margin: 0;
    color: #1f0e05;
    font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
    font-size: clamp(1.65rem, 3vw, 2.2rem);
    letter-spacing: 0.08em;
    line-height: 1.4;
}

.site-info-lead {
    width: min(100%, 740px);
    margin: 17px auto 0;
    color: #432619;
    font-size: 1rem;
    line-height: 1.9;
    text-align: left;
}

.site-info-back {
    margin: 0 0 28px;
    text-align: center;
}

.site-info-back a,
.site-info-back a:visited {
    display: inline-flex;
    min-height: 42px;
    padding: 8px 20px;
    align-items: center;
    justify-content: center;
    color: #4b270b;
    font-weight: 700;
    text-decoration: none;
    background: #fffaf0;
    border: 1px solid #b9781e;
    border-radius: 8px;
    box-shadow: 0 2px 0 rgba(109, 62, 21, 0.18);
}

.site-info-back a:hover {
    background: #fff2d6;
}

.site-info-back a:focus-visible,
.contact-mail-button:focus-visible,
.site-info-content a:focus-visible {
    outline: 3px solid #4b7d9e;
    outline-offset: 3px;
}

.site-info-content {
    width: min(100%, 790px);
    margin: 0 auto;
}

.site-info-section {
    margin-top: 34px;
}

.site-info-section:first-child {
    margin-top: 0;
}

.site-info-section h2 {
    position: relative;
    margin: 0 0 16px;
    padding: 10px 14px 10px 18px;
    color: #2d1609;
    font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
    font-size: 1.22rem;
    line-height: 1.5;
    background: rgba(255, 248, 229, 0.8);
    border-top: 1px solid rgba(198, 142, 42, 0.52);
    border-bottom: 1px solid rgba(198, 142, 42, 0.52);
}

.site-info-section h2::before {
    position: absolute;
    top: 50%;
    left: 2px;
    color: #d4a13f;
    font-size: 0.7em;
    content: "◆";
    transform: translateY(-50%);
}

.site-info-section h3 {
    margin: 22px 0 10px;
    color: #512a10;
    font-size: 1.04rem;
    line-height: 1.6;
}

.site-info-section p,
.site-info-section li,
.site-info-table th,
.site-info-table td {
    font-size: 0.98rem;
    line-height: 1.9;
}

.site-info-section p {
    margin: 0 0 13px;
}

.site-info-section ul,
.site-info-section ol {
    margin: 10px 0 14px;
    padding-left: 1.55em;
}

.site-info-section li + li {
    margin-top: 7px;
}

.site-info-content a,
.site-info-content a:visited {
    color: #6f390a;
    text-decoration: underline;
    text-decoration-color: rgba(155, 94, 23, 0.55);
    text-underline-offset: 0.2em;
}

.site-info-content a:hover {
    color: #a85e0b;
}

.site-info-note {
    margin: 20px 0;
    padding: 16px 18px;
    color: #3d2416;
    background: rgba(255, 248, 229, 0.86);
    border: 1px solid rgba(204, 153, 54, 0.5);
    border-radius: 10px;
}

.site-info-table {
    width: 100%;
    margin: 6px 0 18px;
    border-collapse: collapse;
    background: rgba(255, 253, 247, 0.66);
}

.site-info-table th,
.site-info-table td {
    padding: 13px 14px;
    text-align: left;
    vertical-align: top;
    border: 1px solid rgba(181, 127, 36, 0.36);
}

.site-info-table th {
    width: 28%;
    color: #4a260c;
    background: rgba(247, 227, 180, 0.38);
}

.contact-mail-box {
    margin: 22px 0;
    padding: 24px 18px;
    text-align: center;
    background: rgba(255, 248, 229, 0.8);
    border: 1px solid rgba(190, 130, 34, 0.56);
    border-radius: 12px;
}

.contact-mail-address {
    margin: 0 0 16px;
    font-weight: 700;
    word-break: break-all;
}

.contact-mail-button,
.contact-mail-button:visited {
    display: inline-flex;
    min-height: 48px;
    padding: 10px 24px;
    align-items: center;
    justify-content: center;
    color: #241206;
    font-weight: 700;
    text-decoration: none;
    background: linear-gradient(180deg, #ffd98f 0%, #f6a63b 48%, #dd7d1a 100%);
    border: 2px solid #7a421b;
    border-radius: 9px;
    box-shadow: 0 3px 0 #99552a;
}

.contact-mail-button:hover {
    color: #241206;
    transform: translateY(-1px);
}

.site-info-date {
    margin: 38px 0 0;
    color: #5a3b28;
    font-size: 0.88rem;
    text-align: right;
}

@media (max-width: 600px) {
    .site-info-page {
        padding: 12px 10px 28px;
        background-image: none;
    }

    .site-info-panel {
        padding: 62px 24px 46px;
        border-radius: 14px;
    }

    .site-info-panel::before {
        inset: -8px;
        border-width: 24px;
        border-image-source: url("../images/menu/menu-panel-frame-9slice-sp.png");
        border-image-slice: 110 110 110 110;
        border-image-width: 24px;
    }

    .site-info-panel::after {
        top: 16px;
        width: 38px;
        height: 38px;
    }

    .site-info-header {
        margin-bottom: 27px;
    }

    .site-info-kicker {
        gap: 8px;
        font-size: 0.68rem;
    }

    .site-info-kicker::before,
    .site-info-kicker::after {
        width: 28px;
    }

    .site-info-header h1 {
        font-size: 1.55rem;
        letter-spacing: 0.04em;
    }

    .site-info-lead,
    .site-info-section p,
    .site-info-section li,
    .site-info-table th,
    .site-info-table td {
        font-size: 0.94rem;
    }

    .site-info-section {
        margin-top: 29px;
    }

    .site-info-section h2 {
        padding: 9px 10px 9px 16px;
        font-size: 1.08rem;
    }

    .site-info-table,
    .site-info-table tbody,
    .site-info-table tr,
    .site-info-table th,
    .site-info-table td {
        display: block;
        width: 100%;
    }

    .site-info-table tr + tr {
        margin-top: 10px;
    }

    .site-info-table th {
        padding-bottom: 6px;
        border-bottom: 0;
    }

    .site-info-table td {
        padding-top: 8px;
    }

    .contact-mail-box {
        padding: 20px 12px;
    }

    .contact-mail-button,
    .contact-mail-button:visited {
        width: min(100%, 270px);
    }

    .site-info-date {
        text-align: left;
    }
}