/* =========================================================
   Single Important Notice
   ========================================================= */

.notice-shell,
.notice-shell * {
    box-sizing: border-box;
}

.notice-universe-root {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;

    background:
        radial-gradient(circle at 18% 12%,
            rgba(90, 130, 180, 0.16) 0%,
            rgba(90, 130, 180, 0.05) 34%,
            rgba(90, 130, 180, 0) 58%),
        radial-gradient(circle at 82% 28%,
            rgba(180, 150, 80, 0.12) 0%,
            rgba(180, 150, 80, 0.04) 32%,
            rgba(180, 150, 80, 0) 56%),
        linear-gradient(180deg,
            #050712 0%,
            #070b18 48%,
            #04050c 100%);
}

.notice-background {
    position: absolute;
    inset: 0;

    background-image:
        linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
    background-size: 72px 72px;

    opacity: 0.28;
}

.notice-shell {
    position: relative;
    z-index: 2;

    width: 100%;
    min-width: 0;
    min-height: 100vh;
    padding: 128px 24px 96px;
    overflow-x: hidden;
}

.notice-container {
    width: min(100%, 880px);
    max-width: 100%;
    margin: 0 auto;
    padding: clamp(36px, 5vw, 64px);

    color: rgba(255, 255, 255, 0.9);

    background:
        linear-gradient(180deg,
            rgba(10, 14, 28, 0.86) 0%,
            rgba(8, 11, 22, 0.78) 100%);
    border: 1px solid rgba(255, 255, 255, 0.14);
    box-shadow:
        0 24px 80px rgba(0, 0, 0, 0.34),
        inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.notice-header {
    margin-bottom: 48px;
    padding-bottom: 32px;

    border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.notice-kicker {
    margin: 0 0 8px;

    font-size: 12px;
    line-height: 1.2;
    letter-spacing: 0.18em;
    color: rgba(212, 175, 55, 0.94);
}

.notice-kicker-jp {
    margin: 0 0 28px;

    font-size: 13px;
    line-height: 1.6;
    letter-spacing: 0.12em;
    color: rgba(255, 255, 255, 0.64);
}

.notice-title {
    margin: 0;

    font-size: clamp(28px, 4vw, 44px);
    line-height: 1.35;
    letter-spacing: 0.04em;
    font-weight: 600;

    color: rgba(255, 255, 255, 0.96);
    overflow-wrap: anywhere;
}

.notice-en-title {
    margin: 20px 0 0;

    font-size: 14px;
    line-height: 1.8;
    letter-spacing: 0.08em;
    color: rgba(255, 255, 255, 0.58);
    overflow-wrap: anywhere;
}

.notice-date {
    margin: 28px 0 0;

    font-size: 13px;
    line-height: 1.4;
    letter-spacing: 0.12em;
    color: rgba(255, 255, 255, 0.48);
}

.notice-body {
    font-size: 16.5px;
    line-height: 2.05;
    letter-spacing: 0.04em;
    color: rgba(255, 255, 255, 0.84);
    overflow-wrap: anywhere;
}

.notice-body > *:first-child {
    margin-top: 0;
}

.notice-body > *:last-child {
    margin-bottom: 0;
}

.notice-body p {
    margin: 0 0 1.75em;
}

.notice-body h2 {
    margin: 3.2em 0 1.15em;
    padding-top: 1.1em;

    border-top: 1px solid rgba(212, 175, 55, 0.36);

    font-size: clamp(21px, 2.4vw, 27px);
    line-height: 1.5;
    letter-spacing: 0.06em;
    font-weight: 600;

    color: rgba(255, 255, 255, 0.96);
    overflow-wrap: anywhere;
}

.notice-body h3 {
    margin: 2.6em 0 1em;

    font-size: clamp(18px, 2vw, 22px);
    line-height: 1.55;
    letter-spacing: 0.05em;
    font-weight: 600;

    color: rgba(232, 210, 142, 0.94);
    overflow-wrap: anywhere;
}

.notice-body ul,
.notice-body ol {
    margin: 0 0 2em;
    padding-left: 1.4em;
}

.notice-body li {
    margin: 0 0 0.7em;
}

.notice-body a {
    color: rgba(232, 210, 142, 0.96);
    text-decoration: underline;
    text-underline-offset: 0.28em;
    overflow-wrap: anywhere;
}

.notice-body strong {
    color: rgba(255, 255, 255, 0.96);
    font-weight: 600;
}

.notice-body blockquote {
    margin: 2.4em 0;
    padding: 1.2em 1.4em;

    border-left: 3px solid rgba(212, 175, 55, 0.72);
    background: rgba(255, 255, 255, 0.04);

    color: rgba(255, 255, 255, 0.78);
}

.notice-body img,
.notice-body iframe,
.notice-body video {
    max-width: 100%;
    height: auto;
}

.notice-body table {
    display: block;
    width: 100%;
    max-width: 100%;
    overflow-x: auto;
}

.notice-footer {
    margin-top: 56px;
    padding-top: 28px;

    border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.notice-footer-label {
    margin: 0 0 20px;

    font-size: 12px;
    line-height: 1.5;
    letter-spacing: 0.14em;
    color: rgba(255, 255, 255, 0.44);
}

.notice-back {
    margin-top: 20px;
}

.notice-back a {
    display: inline-flex;
    align-items: center;
    min-height: 42px;
    padding: 0 18px;

    border: 1px solid rgba(212, 175, 55, 0.44);

    font-size: 13px;
    line-height: 1;
    letter-spacing: 0.08em;
    color: rgba(232, 210, 142, 0.96);
    text-decoration: none;

    transition:
        background-color 0.24s ease,
        border-color 0.24s ease,
        color 0.24s ease;
}

.notice-back a:hover {
    background: rgba(212, 175, 55, 0.1);
    border-color: rgba(212, 175, 55, 0.74);
    color: rgba(255, 255, 255, 0.96);
}

/* =========================================================
   SP
   ========================================================= */

@media (max-width: 767px) {
    .notice-shell {
        width: 100%;
        min-width: 0;
        padding: 64px 16px 56px;
        overflow-x: hidden;
    }

    .notice-container {
        width: 100%;
        max-width: 100%;
        margin: 0;
        padding: 28px 18px 32px;

        background:
            linear-gradient(180deg,
                rgba(10, 14, 28, 0.9) 0%,
                rgba(8, 11, 22, 0.82) 100%);
    }

    .notice-header {
        margin-bottom: 36px;
        padding-bottom: 24px;
    }

    .notice-kicker {
        font-size: 11px;
        letter-spacing: 0.16em;
    }

    .notice-kicker-jp {
        margin-bottom: 22px;

        font-size: 12px;
        letter-spacing: 0.1em;
    }

    .notice-title {
        font-size: 24px;
        line-height: 1.48;
        letter-spacing: 0.02em;
        word-break: keep-all;
        overflow-wrap: anywhere;
    }

    .notice-en-title {
        margin-top: 16px;

        font-size: 13px;
        line-height: 1.75;
        letter-spacing: 0.05em;
    }

    .notice-date {
        margin-top: 22px;

        font-size: 12px;
    }

    .notice-body {
        font-size: 16px;
        line-height: 1.95;
        letter-spacing: 0.02em;
        overflow-wrap: anywhere;
    }

    .notice-body p {
        margin-bottom: 1.6em;
    }

    .notice-body h2 {
        margin-top: 2.8em;

        font-size: 21px;
        line-height: 1.55;
        letter-spacing: 0.04em;
    }

    .notice-body h3 {
        margin-top: 2.2em;

        font-size: 18px;
        line-height: 1.55;
        letter-spacing: 0.04em;
    }

    .notice-body ul,
    .notice-body ol {
        padding-left: 1.25em;
    }

    .notice-body blockquote {
        margin: 2em 0;
        padding: 1em 1.1em;
    }

    .notice-footer {
        margin-top: 44px;
        padding-top: 24px;
    }

    .notice-back a {
        width: 100%;
        justify-content: center;
        text-align: center;
    }
}