/* Reset & Base */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: auto;
    /* script.jsで制御 */
}

body {
    margin: 0;
    padding: 0;
    line-height: 1.6;
    color: #0f172a;
    background-color: #f8fafc;
    font-family: 'Inter', 'Noto Sans JP', sans-serif;
    -webkit-text-size-adjust: 100%;
    overflow-x: hidden;
}

/* Utils */
.text-small {
    font-size: 0.875rem;
}

/* Header */
.header {
    background-color: #0f172a;
    color: #ffffff;
    padding: 5rem 1rem;
    text-align: center;
    border-bottom: 0.25rem solid #2563eb;
    position: static;
}

.header__inner {
    max-width: 60rem;
    margin: 0 auto;
    flex-direction: column;
}

.header__title {
    margin: 0 0 1rem;
    font-weight: 800;
    letter-spacing: -0.025em;
    font-size: 1.75rem;
    line-height: 1.2;
}

.header__date {
    margin: 0;
    color: #94a3b8;
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

/* Main Content */
.main-content {
    padding: 4rem 1rem;
}

.main-content__inner {
    max-width: 56rem;
    margin: 0 auto;
}

/* Legal Article */
.legal-article {
    background-color: #ffffff;
    border-radius: 1rem;
    border: 1px solid #e2e8f0;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    padding: 2rem 1.5rem;
}

@media (min-width: 48rem) {
    .legal-article {
        padding: 4rem;
    }
}

.legal-article__section {
    margin-bottom: 2.5rem;
}

.legal-article__title {
    font-size: 1.15rem;
    font-weight: 700;
    color: #1e293b;
    margin: 0 0 1rem;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

@media screen and (min-width : 768px) {
    .legal-article__title {
        font-size: 1.25rem;
    }
}

.legal-article__number {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 500;
    background-color: #f1f5f9;
    color: #64748b;
    padding: 0.125rem 0.5rem;
    border-radius: 0.25rem;
    min-width: 60px;
}



.legal-article__body {
    padding-left: 0.5rem;
}

.legal-article__text {
    margin: 0 0 0.75rem;
    color: #475569;
    word-break: break-all;
}

.legal-article__text:last-child {
    margin-bottom: 0;
}

.legal-article__list {
    margin: 0 0 0.75rem;
    padding-left: 1.25rem;
    color: #475569;
}

.legal-article__list li {
    margin-bottom: 0.5rem;
}

.legal-article__footer {
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid #f1f5f9;
    text-align: center;
    color: #94a3b8;
    font-size: 0.875rem;
    font-style: italic;
}

.legal-article__footer p {
    margin: 0.5rem 0;
}

.legal-article__action {
    margin-top: 3rem;
    text-align: center;
}

/* Button Home */
.button-home {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: #0f172a;
    color: #ffffff;
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 700;
    padding: 0.75rem 2rem;
    border-radius: 9999px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.button-home:hover {
    background-color: #1e293b;
    transform: translateY(-2px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

.button-home:active {
    transform: translateY(0);
}

.button-home__icon {
    width: 1rem;
    height: 1rem;
    margin-right: 0.5rem;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='white' stroke-width='2'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' d='M3 12l2-2m0 0l7-7 7 7M5 10v10a1 1 0 001 1h3m10-11l2 2m-2-2v10a1 1 0 01-1 1h-3m-6 0a1 1 0 001-1v-4a1 1 0 011-1h2a1 1 0 011 1v4a1 1 0 001 1m-6 0h6' /%3E%3C/svg%3E");
    background-size: contain;
    background-repeat: no-repeat;
}

/* Footer */
.footer {
    background-color: #0f172a;
    color: #ffffff;
    padding: 4rem 1rem;
    border-top: 0.25rem solid #1e293b;
}

.footer__inner {
    max-width: 72rem;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3rem;
}

@media (min-width: 48rem) {
    .footer__inner {
        flex-direction: row;
        justify-content: space-between;
        align-items: flex-start;
    }
}

.footer__info {
    text-align: center;
}

@media (min-width: 48rem) {
    .footer__info {
        text-align: left;
    }
}

.footer__brand {
    font-size: 1.125rem;
    font-weight: 700;
    margin: 0 0 0.25rem;
}

.footer__copyright {
    margin: 0;
    color: #64748b;
    font-size: 0.875rem;
}

.footer__nav-list {
    margin: 0;
    padding: 0;
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem 2rem;
    font-size: 0.875rem;
    font-weight: 500;
}

@media (min-width: 48rem) {
    .footer__nav-list {
        justify-content: flex-end;
    }
}

.footer__nav-list a {
    color: #94a3b8;
    text-decoration: none;
    transition: color 0.3s;
    border-bottom: 1px solid transparent;
}

.footer__nav-list a:hover {
    color: #ffffff;
    border-bottom-color: #ffffff;
}

.footer__nav-list a.is-active {
    color: #ffffff;
    border-bottom-color: #ffffff;
}

/* Print Only Styles */
@media print {

    .header,
    .footer,
    .button-home,
    .no-print {
        display: none !important;
    }

    .main-content {
        padding: 0;
    }

    .legal-article {
        box-shadow: none;
        border: none;
        padding: 0;
    }

    .print-only {
        display: block !important;
    }
}