.guide-r4-locale-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 20px;
}

.guide-r4-locale-nav a {
    display: inline-flex;
    min-width: 46px;
    min-height: 42px;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(24, 52, 72, 0.16);
    border-radius: 999px;
    color: #34505e;
    background: rgba(255, 255, 255, 0.76);
    font-size: 0.78rem;
    font-weight: 800;
    text-decoration: none;
}

.guide-r4-locale-nav a[aria-current="page"] {
    border-color: #0b7f79;
    color: #fff;
    background: #0b7f79;
}

.guide-r4-summary {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 22px;
}

.guide-r4-summary span {
    display: inline-flex;
    align-items: center;
    min-height: 36px;
    padding: 7px 13px;
    border-radius: 999px;
    color: #38545e;
    background: rgba(255, 255, 255, 0.78);
    font-size: 0.78rem;
    font-weight: 800;
}

.guide-r4-lane + .guide-r4-lane {
    margin-top: clamp(48px, 7vw, 76px);
}

.guide-r4-lane {
    --guide-lane-accent: #0b7f79;
    --guide-lane-tint: #e6f5f2;
}

.guide-r4-lane[data-guide-lane="culture"] {
    --guide-lane-accent: #a87913;
    --guide-lane-tint: #fbf1d7;
}

.guide-r4-lane[data-guide-lane="travel"] {
    --guide-lane-accent: #b44a32;
    --guide-lane-tint: #fbe9e3;
}

.guide-r4-lane__title {
    position: relative;
    width: fit-content;
    max-width: 100%;
    display: inline-grid;
    grid-template-columns: auto minmax(0, 1fr);
    align-items: center;
    margin: 0;
    padding: 9px 46px 9px 10px;
    overflow: hidden;
    border: 1px solid color-mix(
        in srgb,
        var(--guide-lane-accent) 20%,
        transparent
    );
    border-radius: 18px;
    color: var(--guide-lane-accent);
    background:
        linear-gradient(
            105deg,
            var(--guide-lane-tint),
            rgba(255, 255, 255, 0.86)
        );
    font-size: clamp(1.08rem, 2.2vw, 1.32rem);
    font-weight: 850;
    letter-spacing: 0.01em;
    line-height: 1.35;
    gap: 11px;
}

.guide-r4-lane__title::after {
    position: absolute;
    top: 50%;
    right: 15px;
    width: 23px;
    height: 7px;
    background:
        radial-gradient(
            circle,
            var(--guide-lane-accent) 2px,
            transparent 2.5px
        )
        0 50% / 8px 8px repeat-x;
    content: "";
    opacity: 0.45;
    transform: translateY(-50%);
}

.guide-r4-lane__number {
    display: inline-flex;
    width: 36px;
    height: 36px;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    color: #fff;
    background: var(--guide-lane-accent);
    box-shadow: 0 5px 12px color-mix(
        in srgb,
        var(--guide-lane-accent) 24%,
        transparent
    );
    font-size: 0.72rem;
    font-weight: 900;
    letter-spacing: 0.06em;
}

.guide-r4-lane__intro {
    max-width: 680px;
    margin: 12px 0 22px;
    color: #5f6d72;
    line-height: 1.75;
}

.guide-r4-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.guide-r4-card {
    display: flex;
    min-width: 0;
    overflow: hidden;
    border: 1px solid rgba(31, 66, 82, 0.12);
    border-radius: 24px;
    color: #173442;
    background: rgba(255, 255, 255, 0.94);
    box-shadow: 0 18px 40px rgba(33, 71, 86, 0.08);
    flex-direction: column;
    text-decoration: none;
    transition: transform 160ms ease, box-shadow 160ms ease;
}

.guide-r4-card:hover,
.guide-r4-card:focus-visible {
    box-shadow: 0 22px 48px rgba(33, 71, 86, 0.14);
    transform: translateY(-3px);
}

.guide-r4-card__image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 3 / 2;
    background: #dceae8;
}

.guide-r4-card__image img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    transition: transform 260ms ease;
}

.guide-r4-card:hover .guide-r4-card__image img,
.guide-r4-card:focus-visible .guide-r4-card__image img {
    transform: scale(1.025);
}

.guide-r4-card__body {
    display: flex;
    min-height: 238px;
    padding: 21px;
    flex: 1;
    flex-direction: column;
}

.guide-r4-card__lane {
    margin: 0 0 10px;
    color: #0b7f79;
    font-size: 0.72rem;
    font-weight: 850;
    letter-spacing: 0.09em;
}

.guide-r4-card__title {
    margin: 0;
    font-size: 1.16rem;
    line-height: 1.48;
}

.guide-r4-card__excerpt {
    margin: 12px 0 20px;
    color: #5f6d72;
    font-size: 0.88rem;
    line-height: 1.72;
}

.guide-r4-card__read {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    margin-top: auto;
    color: #9b3e28;
    font-size: 0.84rem;
    font-weight: 850;
}

.guide-r4-article {
    width: min(920px, 100%);
    margin: 30px auto 0;
}

.guide-r4-back {
    display: inline-flex;
    min-height: 44px;
    align-items: center;
    margin-bottom: 18px;
    color: #0b706b;
    font-weight: 800;
    text-underline-offset: 4px;
}

.guide-r4-article__hero {
    overflow: hidden;
    border: 1px solid rgba(31, 66, 82, 0.12);
    border-radius: 30px;
    background: #fff;
    box-shadow: 0 22px 56px rgba(33, 71, 86, 0.1);
}

.guide-r4-article__hero img {
    width: 100%;
    height: clamp(240px, 36vw, 420px);
    display: block;
    object-fit: cover;
}

.guide-r4-article__heading {
    padding: clamp(24px, 5vw, 52px);
}

.guide-r4-article__lane {
    margin: 0 0 12px;
    color: #0b7f79;
    font-size: 0.78rem;
    font-weight: 850;
    letter-spacing: 0.1em;
}

.guide-r4-article__title {
    margin: 0;
    color: #173442;
    font-size: clamp(2rem, 5.2vw, 3.7rem);
    letter-spacing: -0.045em;
    line-height: 1.16;
}

.guide-r4-article__excerpt {
    max-width: 760px;
    margin: 20px 0 0;
    color: #566a72;
    font-size: 1.03rem;
    line-height: 1.86;
}

.guide-r4-guidance {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
    margin: 22px 0;
}

.guide-r4-guidance__item {
    padding: 22px;
    border: 1px solid rgba(31, 66, 82, 0.12);
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.9);
}

.guide-r4-guidance__item strong {
    display: block;
    margin-bottom: 9px;
    color: #9b3e28;
    font-size: 0.82rem;
}

.guide-r4-guidance__item p {
    margin: 0;
    color: #4e626b;
    font-size: 0.9rem;
    line-height: 1.72;
}

.guide-r4-flow,
.guide-r4-body,
.guide-r4-audio,
.guide-r4-closing {
    margin-top: 22px;
    padding: clamp(24px, 5vw, 48px);
    border: 1px solid rgba(31, 66, 82, 0.12);
    border-radius: 26px;
    background: rgba(255, 255, 255, 0.94);
}

.guide-r4-section-title {
    margin: 0 0 18px;
    color: #173442;
    font-size: clamp(1.35rem, 3vw, 1.8rem);
}

.guide-r4-flow ol {
    display: grid;
    margin: 0;
    padding: 0;
    counter-reset: flow;
    gap: 9px;
    list-style: none;
}

.guide-r4-flow li {
    display: grid;
    grid-template-columns: 32px 1fr;
    align-items: start;
    color: #4f6269;
    line-height: 1.6;
    gap: 10px;
    counter-increment: flow;
}

.guide-r4-flow li::before {
    display: inline-flex;
    width: 30px;
    height: 30px;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    color: #fff;
    background: #0b7f79;
    font-size: 0.76rem;
    font-weight: 850;
    content: counter(flow);
}

.guide-r4-body__section + .guide-r4-body__section {
    margin-top: 48px;
    padding-top: 42px;
    border-top: 1px solid rgba(31, 66, 82, 0.1);
}

.guide-r4-body__section h2 {
    margin: 0 0 20px;
    color: #173442;
    font-size: clamp(1.35rem, 3vw, 1.8rem);
    line-height: 1.45;
}

.guide-r4-body__section p {
    margin: 0 0 20px;
    color: #374f59;
    font-size: 1rem;
    line-height: 2;
}

.guide-r4-infographic {
    display: grid;
    margin: 25px 0 8px;
    padding: 20px;
    border-radius: 18px;
    background: #edf7f5;
    gap: 10px;
}

.guide-r4-infographic span {
    padding: 11px 13px;
    border-radius: 12px;
    color: #28505a;
    background: #fff;
    font-weight: 750;
}

.guide-r4-audio__list {
    display: grid;
    gap: 14px;
}

.guide-r4-audio__phrase {
    padding: 18px;
    border-radius: 18px;
    background: #f4f7f5;
}

.guide-r4-audio__phrase h3 {
    margin: 0 0 14px;
    color: #173442;
    font-size: 1rem;
}

.guide-r4-audio__regions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.guide-r4-audio__region {
    display: grid;
    gap: 8px;
}

.guide-r4-audio__region span {
    color: #607178;
    font-size: 0.76rem;
    font-weight: 800;
}

.guide-r4-audio audio {
    width: 100%;
    min-height: 44px;
}

.guide-r4-closing {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
}

.guide-r4-closing section {
    padding: 22px;
    border-radius: 18px;
    background: #f6f3eb;
}

.guide-r4-closing h2 {
    margin: 0 0 12px;
    color: #9b3e28;
    font-size: 1rem;
}

.guide-r4-closing p {
    margin: 0;
    color: #435861;
    line-height: 1.8;
}

.guide-r4-next {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 22px;
}

.guide-r4-next a {
    display: inline-flex;
    min-height: 46px;
    align-items: center;
    padding: 10px 17px;
    border-radius: 999px;
    color: #fff;
    background: #9b3e28;
    font-weight: 800;
    text-decoration: none;
}

@media (max-width: 900px) {
    .guide-r4-grid,
    .guide-r4-guidance {
        grid-template-columns: 1fr 1fr;
    }

    .guide-r4-guidance__item:last-child {
        grid-column: 1 / -1;
    }
}

@media (max-width: 620px) {
    .guide-r4-lane__title {
        width: 100%;
    }

    .guide-r4-grid,
    .guide-r4-guidance,
    .guide-r4-audio__regions,
    .guide-r4-closing {
        grid-template-columns: 1fr;
    }

    .guide-r4-card__body {
        min-height: 0;
    }

    .guide-r4-article__hero {
        border-radius: 22px;
    }

    .guide-r4-article__heading,
    .guide-r4-flow,
    .guide-r4-body,
    .guide-r4-audio,
    .guide-r4-closing {
        padding: 22px;
    }
}