.documents-page {
    --documents-blue: #164361;
    --documents-ink: #173b50;
    --documents-body: #385d72;
    --documents-line: #d6e3e8;
    --documents-mist: #f3f7f8;
    --documents-green: #4d766d;
}

.documents-page dl,
.documents-page ul,
.documents-page figure {
    margin: 0;
}

.documents-page a {
    font-family: "Avenir Next", sans-serif;
}

.documents-hero {
    position: relative;
    overflow: hidden;
    padding: clamp(7.4rem, 7vw, 10.8rem) 0 clamp(7.2rem, 7vw, 9.6rem);
    background:
        linear-gradient(125deg, rgba(143, 182, 212, 0.14), transparent 46%),
        #f8fbfc;
}

.documents-hero::after {
    position: absolute;
    right: -18rem;
    bottom: -22rem;
    width: 54rem;
    height: 54rem;
    border: 1px solid rgba(147, 190, 187, 0.28);
    border-radius: 50%;
    content: "";
}

.documents-hero__grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(34rem, 0.7fr);
    gap: clamp(6rem, 9vw, 13rem);
    align-items: center;
}

.documents-hero__grid > div > p:last-child {
    max-width: 66rem;
}

.documents-hero__lead {
    max-width: 67rem;
    margin: 3rem 0 1.5rem !important;
    color: var(--documents-ink);
    font-size: 2.05rem;
    font-weight: 500;
    line-height: 1.58;
}

.documents-hero__status {
    padding: clamp(2.8rem, 3.4vw, 4.4rem);
    border: 1px solid rgba(22, 67, 97, 0.14);
    border-radius: 1.6rem;
    background: rgba(255, 255, 255, 0.86);
    box-shadow: 0 2.2rem 5.5rem rgba(16, 47, 67, 0.1);
}

.documents-hero__status > span {
    display: block;
    margin-bottom: 2.4rem;
    color: var(--documents-green);
    font-size: 1.15rem;
    font-weight: 600;
    letter-spacing: 0.11em;
    text-transform: uppercase;
}

.documents-hero__status dl {
    border-top: 1px solid var(--documents-line);
}

.documents-hero__status dl > div {
    display: grid;
    grid-template-columns: 11rem 1fr;
    gap: 2rem;
    padding: 1.8rem 0;
    border-bottom: 1px solid var(--documents-line);
}

.documents-hero__status dt {
    color: #718b96;
    font-size: 1.12rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.documents-hero__status dd {
    margin: 0;
    color: var(--documents-ink);
    font-size: 1.42rem;
    font-weight: 500;
    line-height: 1.45;
}

.documents-certificate {
    scroll-margin-top: 9rem;
    background: #fff;
}

.documents-certificate__grid {
    display: grid;
    grid-template-columns: minmax(30rem, 38rem) minmax(0, 1fr);
    gap: clamp(6rem, 9vw, 13rem);
    align-items: start;
}

.documents-certificate__preview {
    display: block;
    overflow: hidden;
    border: 1px solid var(--documents-line);
    border-radius: 1rem;
    background: #fff;
    box-shadow: 0 2.2rem 5.5rem rgba(16, 47, 67, 0.12);
}

.documents-certificate__preview picture,
.documents-certificate__preview img {
    display: block;
    width: 100%;
    height: auto;
}

.documents-certificate__content h2,
.documents-specifications h2,
.documents-matrix h2,
.documents-registration h2,
.documents-additional h2 {
    margin-bottom: 2.6rem;
}

.documents-certificate__content > p + p {
    margin-top: 1.7rem;
}

.documents-certificate__content > dl {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-top: 3.4rem;
    border-top: 1px solid var(--documents-line);
    border-left: 1px solid var(--documents-line);
}

.documents-certificate__content > dl > div {
    min-width: 0;
    padding: 1.7rem 1.9rem;
    border-right: 1px solid var(--documents-line);
    border-bottom: 1px solid var(--documents-line);
}

.documents-certificate__content dt {
    color: #718b96;
    font-size: 1.08rem;
    font-weight: 600;
    letter-spacing: 0.045em;
    text-transform: uppercase;
}

.documents-certificate__content dd {
    margin: 0.55rem 0 0;
    color: var(--documents-ink);
    font-size: 1.42rem;
    font-weight: 500;
}

.documents-card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.7rem;
    margin-top: 2.8rem;
}

.documents-card-meta span {
    display: inline-flex;
    min-height: 3.2rem;
    align-items: center;
    padding: 0.55rem 1.05rem;
    border: 1px solid #cedde1;
    border-radius: 999px;
    color: #56727f;
    background: #f7fafb;
    font-size: 1.08rem;
    font-style: normal;
    line-height: 1.3;
}

.documents-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 2.2rem;
}

.documents-actions a {
    display: inline-flex;
    min-height: 4.6rem;
    align-items: center;
    justify-content: center;
    gap: 0.8rem;
    padding: 1rem 1.7rem;
    border: 1px solid var(--documents-blue);
    border-radius: 999px;
    color: var(--documents-blue);
    background: #fff;
    font-size: 1.28rem;
    font-weight: 600;
    transition: color var(--motion-duration-fast) var(--motion-ease-out), background var(--motion-duration-fast) var(--motion-ease-out), transform var(--motion-duration-fast) var(--motion-ease-out);
}

.documents-actions a:last-child {
    color: #fff;
    background: var(--documents-blue);
}

.documents-actions a:hover {
    transform: translateY(-1px);
}

.documents-specifications {
    border-top: 1px solid var(--documents-line);
    border-bottom: 1px solid var(--documents-line);
    background: var(--documents-mist);
}

.documents-specification-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 2rem;
}

.documents-specification-card {
    display: flex;
    min-width: 0;
    flex-direction: column;
    padding: clamp(3rem, 4vw, 5rem);
    border: 1px solid var(--documents-line);
    border-radius: 1.5rem;
    background: #fff;
    box-shadow: 0 1.8rem 4.5rem rgba(18, 54, 73, 0.055);
}

.documents-specification-card--premium {
    border-top: 4px solid #8fb6b3;
}

.documents-specification-card--standard {
    border-top: 4px solid #8fb6d4;
}

.documents-specification-card__type,
.documents-matrix article > span {
    color: var(--documents-green);
    font-size: 1.12rem;
    font-weight: 600;
    letter-spacing: 0.09em;
    text-transform: uppercase;
}

.documents-specification-card h3 {
    max-width: 50rem;
    margin: 2.1rem 0 2.4rem;
    font-size: clamp(2.5rem, 2.5vw, 3.35rem);
}

.documents-specification-card ul {
    display: grid;
    gap: 1rem;
    padding: 0;
    list-style: none;
}

.documents-specification-card li {
    position: relative;
    padding-left: 1.8rem;
    color: var(--documents-ink);
    font-size: 1.42rem;
}

.documents-specification-card li::before {
    position: absolute;
    top: 0.7em;
    left: 0;
    width: 0.55rem;
    height: 0.55rem;
    border-radius: 50%;
    content: "";
    background: #78a6a2;
}

.documents-specification-card .documents-card-meta {
    margin-top: 3rem;
}

.documents-specification-card .documents-actions {
    margin-top: auto;
    padding-top: 2.4rem;
}

.documents-product-link {
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    margin-top: 2.2rem;
    color: var(--documents-blue);
    font-size: 1.32rem;
    font-weight: 600;
    text-decoration: underline;
    text-decoration-color: #93bebb;
    text-underline-offset: 0.3em;
}

.documents-matrix {
    color: #dfe9ed;
    background:
        radial-gradient(circle at 80% 20%, rgba(143, 182, 212, 0.2), transparent 38%),
        #143c55;
}

.documents-matrix h2,
.documents-matrix .nhk-eyebrow {
    color: #fff;
}

.documents-matrix .nhk-eyebrow {
    opacity: 0.82;
}

.documents-matrix__grid,
.documents-registration__grid,
.documents-additional__grid {
    display: grid;
    grid-template-columns: minmax(0, 0.88fr) minmax(42rem, 1.12fr);
    gap: clamp(6rem, 9vw, 13rem);
    align-items: start;
}

.documents-matrix article {
    padding: clamp(3rem, 4vw, 4.8rem);
    border: 1px solid rgba(255, 255, 255, 0.22);
    border-radius: 1.4rem;
    background: rgba(255, 255, 255, 0.08);
}

.documents-matrix article > span {
    color: #b8d1d4;
}

.documents-matrix article > strong {
    display: block;
    margin-top: 2rem;
    color: #fff;
    font-size: 2.25rem;
    font-weight: 600;
    line-height: 1.35;
}

.documents-matrix article > p {
    margin-top: 1rem;
    color: #c5d8df;
    font-size: 1.35rem;
}

.documents-matrix .documents-card-meta span {
    border-color: rgba(255, 255, 255, 0.2);
    color: #d9e7ea;
    background: rgba(255, 255, 255, 0.08);
}

.documents-matrix .documents-actions a:first-child {
    border-color: rgba(255, 255, 255, 0.55);
    color: #fff;
    background: transparent;
}

.documents-matrix .documents-actions a:last-child {
    border-color: #fff;
    color: var(--documents-blue);
    background: #fff;
}

.documents-registration {
    background: #fff;
}

.documents-registration__notice {
    margin-top: 2.5rem !important;
    padding: 1.8rem 2.1rem;
    border-left: 3px solid #8fb6b3;
    color: #486a76;
    background: #f3f7f8;
    font-size: 1.32rem;
    line-height: 1.6;
}

.documents-registration dl {
    border-top: 1px solid var(--documents-line);
}

.documents-registration dl > div {
    display: grid;
    grid-template-columns: minmax(15rem, 0.7fr) minmax(0, 1.3fr);
    gap: 2.5rem;
    padding: 1.85rem 0;
    border-bottom: 1px solid var(--documents-line);
}

.documents-registration dt {
    color: #718b96;
    font-size: 1.1rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.documents-registration dd {
    margin: 0;
    color: var(--documents-ink);
    font-size: 1.43rem;
    font-weight: 500;
    line-height: 1.5;
}

.documents-additional {
    border-top: 1px solid var(--documents-line);
    border-bottom: 1px solid var(--documents-line);
    background: var(--documents-mist);
}

.documents-additional ul {
    padding: 0;
    border-top: 1px solid var(--documents-line);
    list-style: none;
}

.documents-additional li {
    display: grid;
    grid-template-columns: 4.2rem 1fr;
    align-items: center;
    min-height: 6.2rem;
    padding: 1.3rem 0;
    border-bottom: 1px solid var(--documents-line);
    color: var(--documents-ink);
    font-size: 1.45rem;
}

.documents-additional li span {
    color: #78929f;
    font-size: 1.08rem;
    font-weight: 600;
    letter-spacing: 0.08em;
}

.documents-related {
    background: #fff;
}

.documents-related nav {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.documents-related nav a {
    display: inline-flex;
    min-height: 4.4rem;
    align-items: center;
    padding: 0.9rem 1.6rem;
    border: 1px solid #cbdadd;
    border-radius: 999px;
    color: var(--documents-blue);
    background: #fff;
    font-size: 1.3rem;
    font-weight: 600;
}

.documents-related nav a:hover {
    border-color: #8fb6b3;
    background: #eef5f4;
}

.documents-closing-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1.4rem;
    margin-top: 4rem;
}

.documents-page :is(a, button):focus-visible {
    outline: 3px solid #f0a53a;
    outline-offset: 3px;
}

@media (max-width: 1099px) {
    .documents-hero__grid {
        grid-template-columns: minmax(0, 1fr) minmax(31rem, 0.68fr);
        gap: 5rem;
    }

    .documents-certificate__grid {
        grid-template-columns: minmax(27rem, 34rem) minmax(0, 1fr);
        gap: 5rem;
    }
}

@media (max-width: 899px) {
    .documents-hero__grid,
    .documents-certificate__grid,
    .documents-matrix__grid,
    .documents-registration__grid,
    .documents-additional__grid {
        grid-template-columns: 1fr;
    }

    .documents-hero__status {
        max-width: 58rem;
    }

    .documents-certificate__preview {
        width: min(100%, 38rem);
        justify-self: center;
    }

    .documents-specification-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .documents-hero {
        padding: 5.6rem 0 6.4rem;
    }

    .documents-hero__lead {
        font-size: 1.8rem;
    }

    .documents-hero__status dl > div {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }

    .documents-certificate__content > dl {
        grid-template-columns: 1fr;
    }

    .documents-specification-card {
        padding: 2.6rem;
    }

    .documents-actions,
    .documents-actions a {
        width: 100%;
    }

    .documents-registration dl > div {
        grid-template-columns: 1fr;
        gap: 0.55rem;
    }

    .documents-related nav a {
        flex: 1 1 calc(50% - 0.5rem);
        justify-content: center;
        text-align: center;
    }

    .documents-closing-actions,
    .documents-closing-actions .nhk-button {
        width: 100%;
    }
}

@media (max-width: 370px) {
    .documents-related nav a {
        flex-basis: 100%;
    }

    .documents-additional li {
        grid-template-columns: 3.6rem 1fr;
    }
}

@media (prefers-reduced-motion: reduce) {
    .documents-page a,
    .documents-page button {
        transition: none;
    }
}