/* =============================================================================
   LEGACY / COMPATIBILITY
   Older secondary-page components and their original responsive rules.
============================================================================= */

@media (max-width: 900px) {
    .device-copy--desktop {
        display: none;
    }

    .device-copy--mobile {
        display: block;
    }

    .header-inner {
        height: 88px;
    }

    .brand {
        width: 110px;
        height: 58px;
    }

    .brand img {
        width: 178px;
    }

    .site-name {
        display: none;
    }

    .menu-button {
        position: relative;
        z-index: 3;
        display: block;
        margin-left: auto;
    }

    .brand {
        position: relative;
        z-index: 3;
    }

    .nav {
        position: fixed;
        z-index: 2;
        inset: 0;
        display: flex;
        flex-direction: column;
        justify-content: center;
        gap: 26px;
        visibility: hidden;
        color: var(--ink);
        background: #fff;
        opacity: 0;
        transition: opacity .25s, visibility .25s;
    }

    .nav.is-open {
        visibility: visible;
        opacity: 1;
    }

	.menu-open .site-header {
		color: var(--ink);

		-webkit-backdrop-filter: none;
		backdrop-filter: none;
	}

    .menu-open .site-header .logo-white {
        display: none;
    }

    .menu-open .site-header .logo-orange {
        display: block;
    }

    .nav .nav-cta {
        color: #fff;
        background: var(--orange);
    }

    .menu-button[aria-expanded="true"] span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .menu-button[aria-expanded="true"] span:nth-child(2) {
        opacity: 0;
    }

    .menu-button[aria-expanded="true"] span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .hero {
        height: auto;
        min-height: 100svh;
        padding: 128px 0 72px;
    }

    .hero-grid {
        grid-template-columns: 1fr;
        gap: 54px;
        padding-top: 0;
    }

    .hero-copy {
        font-size: 15px;
    }

    .hero-actions {
        align-items: flex-start;
        flex-direction: column;
        gap: 18px;
    }

    .browser-card {
        padding: 0 24px 30px;
        transform: none;
    }

    .browser-card__bar {
        grid-template-columns: 1fr;
        gap: 9px;
        margin: 0 -24px 28px;
    }

    .browser-card__controls {
        display: none;
    }

    .address-location-visual--desktop {
        display: none;
    }

    .address-location-visual--mobile {
        display: block;
    }

    .hero-stamp {
        right: -10px;
        bottom: -34px;
        width: 98px;
        height: 98px;
        font-size: 11px;
    }

    .section {
        padding: 82px 0;
    }

    .intro-grid,
    .direct-demo-grid,
    .mechanism-grid,
    .qr-benefit-grid,
    .price-layout,
    .faq-layout,
    .operator-box,
    .footer-main {
        grid-template-columns: 1fr;
        gap: 42px;
    }

    .intro-copy {
        padding-top: 0;
    }

    .direct-demo-grid,
    .qr-benefit-grid {
        gap: 48px;
    }

    .benefit-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .access-story {
        grid-template-columns: 1fr;
    }

    .access-story__plus {
        margin-inline: auto;
    }

    .access-story__summary {
        grid-column: auto;
    }

    .redirect-map {
        padding: 42px 30px;
    }

    .redirect-destinations {
        grid-template-columns: repeat(2, 1fr);
        padding-top: 0;
    }

    .redirect-destinations::before,
    .redirect-destination::before {
        display: none;
    }

    .use-case-grid--media {
        grid-template-columns: repeat(2, 1fr);
    }

    .promo-kit-grid {
        grid-template-columns: 1fr;
        gap: 52px;
    }

    .promo-kit-visual {
        width: min(100%, 680px);
        margin-inline: auto;
    }

    .flow-list {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .flow-list li {
        display: grid;
        grid-template-columns: 52px 1fr;
        gap: 22px;
        padding: 0 0 32px;
    }

    .flow-list li:not(:last-child)::after {
        top: 52px;
        right: auto;
        bottom: 0;
        left: 25px;
        width: 1px;
        height: auto;
    }

    .faq-heading {
        position: static;
    }

    .operator-box {
        padding: 48px;
    }

    .content-main {
        padding-top: 128px;
    }

    .demo-success-main {
        padding-top: 88px;
    }

    .demo-success-section {
        min-height: calc(100svh - 88px);
        padding: 64px 0;
    }

    .demo-success-card {
        padding: 54px 42px;
    }
}

@media (max-width: 520px) {
    .wrap {
        width: min(calc(100% - 28px), var(--max));
    }

    .hero h1 {
        font-size: clamp(38px, 11vw, 52px);
    }

    .hero h1 .hero-title-accent {
        font-size: .7em;
    }

    .hero-points {
        gap: 6px;
    }

    .hero-points li {
        font-size: 10px;
    }

    .section-title {
        margin-bottom: 38px;
    }

    .section-title h2,
    .intro-grid h2,
    .direct-demo-copy h2,
    .mechanism-copy h2,
    .qr-benefit-copy h2,
    .promo-kit-copy h2,
    .price-copy h2,
    .faq-heading h2,
    .operator-box h2,
    .final-cta h2 {
        font-size: 34px;
    }

    .intro-copy .lead {
        font-size: 18px;
    }

    .direct-demo-panel {
        padding: 24px;
    }

    .address-location-visual__title {
        align-items: flex-start;
        font-size: 14px;
        line-height: 1.55;
    }

    .browser-location__toolbar {
        grid-template-columns: minmax(0, 1fr);
        padding: 11px;
    }

    .browser-location__buttons,
    .browser-location__star {
        display: none;
    }

    .browser-location__field {
        gap: 7px;
        padding-right: 10px;
    }

    .browser-location__field > span {
        padding-inline: 8px;
        font-size: 9px;
    }

    .browser-location__field > strong {
        font-size: 13px;
    }

    .browser-location__pointer {
        padding-inline: 10px;
        font-size: 10px;
    }

    .direct-demo-steps li {
        grid-template-columns: 46px 1fr;
        gap: 14px;
    }

    .direct-demo-steps li > span {
        width: 46px;
        height: 46px;
    }

    .mechanism-demo {
        padding: 22px;
    }

    .benefit-grid,
    .use-case-grid,
    .check-list,
    .footer-nav {
        grid-template-columns: 1fr;
    }

    .benefit-card {
        min-height: 0;
    }

    .benefit-card h3 {
        margin-top: 34px;
    }

    .access-story-card {
        min-height: 0;
        padding: 26px 22px;
    }

    .qr-symbol {
        margin-block: 32px 26px;
    }

    .memory-flow {
        gap: 4px;
        margin-top: 36px;
    }

    .memory-flow span {
        padding-inline: 7px;
        font-size: 10px;
    }

    .redirect-map {
        padding: 30px 18px;
        border-radius: 24px;
    }

    .redirect-map__source {
        padding: 24px 16px;
    }

    .redirect-map__source small {
        font-size: 10px;
    }

    .redirect-map__connector span {
        font-size: 10px;
    }

    .redirect-destinations {
        grid-template-columns: 1fr;
    }

    .redirect-destination {
        min-height: 100px;
    }

    .redirect-map figcaption {
        font-size: 12px;
    }

    .use-case-card {
        min-height: 230px;
        padding: 28px;
    }

    .use-case-grid--media .use-case-card {
        min-height: 180px;
    }

    .use-case-grid--media .use-case-card h3 {
        margin-top: 42px;
    }

    .promo-kit-preview {
        padding: 24px 20px;
        border-radius: 24px;
    }

    .promo-kit-preview__lead {
        align-items: flex-start;
        flex-direction: column;
        gap: 4px;
    }

    .promo-kit-preview__main {
        grid-template-columns: 106px 1fr;
        gap: 16px;
        padding: 16px;
    }

    .promo-kit-preview__main img {
        width: 106px;
        height: 106px;
    }

    .promo-kit-preview__main strong {
        font-size: 21px;
    }

    .browser-input-sample__field {
        gap: 9px;
        padding-left: 14px;
    }

    .browser-input-sample__button {
        padding: 10px 13px;
        font-size: 10px;
    }

    .promo-kit-formats {
        flex-wrap: wrap;
    }

    .plan-card {
        padding: 30px 24px;
    }

    .price-row {
        grid-template-columns: 1fr auto;
    }

    .price-row strong {
        font-size: 31px;
    }

    .price-row small {
        grid-column: 2;
        text-align: right;
    }

    .operator-box {
        padding: 36px 26px;
    }

    .demo-success-section {
        padding: 38px 0 60px;
    }

    .demo-success-card {
        padding: 42px 24px;
        border-radius: 26px;
    }

    .demo-success-card h1 {
        font-size: 34px;
    }

    .demo-transfer-route {
        grid-template-columns: 1fr;
        gap: 12px;
        margin-top: 28px;
    }

    .demo-transfer-route__source,
    .demo-transfer-route__destination {
        min-height: 0;
        padding: 22px 20px;
        text-align: center;
    }

    .demo-transfer-route__destination > span {
        align-self: center;
    }

    .demo-transfer-route__arrow {
        gap: 2px;
    }

    .demo-transfer-route__arrow b {
        width: 40px;
        height: 40px;
        transform: rotate(90deg);
    }

    .demo-benefits {
        margin-top: 34px;
    }

    .demo-benefits__heading h2 {
        font-size: 26px;
    }

    .demo-benefits__grid {
        grid-template-columns: 1fr;
    }

    .demo-benefits__grid article {
        padding: 22px 20px;
    }

    .demo-success-message {
        padding: 20px;
    }

    .demo-success-actions,
    .demo-success-actions .button {
        width: 100%;
    }

    .final-cta__actions {
        align-items: stretch;
        flex-direction: column;
    }

    .footer-bottom {
        align-items: flex-start;
        flex-direction: column;
    }

    .content-article {
        padding: 28px 22px;
    }

    .content-header--archive,
    .post-card {
        padding: 28px 22px;
    }

    .entry-content table {
        display: block;
        overflow-x: auto;
    }

    .page-top-fixed {
        right: 16px;
        bottom: 16px;
        width: 46px;
        height: 46px;
    }

    .page-top-fixed::before {
        top: 19px;
        left: 17px;
        width: 10px;
        height: 10px;
    }
}

/* =============================================================================
    LEGACY COMPONENTS
    Retained for secondary templates and backward compatibility
============================================================================= */

.hero--new-message .hero-copy--strong {
    margin-top: -18px;
    font-size: 15px;
    font-weight: 900;
}

.browser-card--simple {
    padding-bottom: 34px;
}

.browser-card--simple .transfer-line {
    height: 64px;
    margin-block: 24px;
}

.destination-card--pages {
    gap: 8px;
}

.destination-card__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
    margin-top: 7px;
}

.destination-card__tags small {
    padding: 5px 9px;
    border: 1px solid var(--line);
    border-radius: 999px;
    color: var(--orange);
    background: #fff;
    font-family: inherit;
    font-size: 10px;
    font-weight: 800;
    line-height: 1.3;
    letter-spacing: 0;
}

.reading-grid,
.summary-grid,
.business-grid,
.service-summary-grid {
    display: grid;
    grid-template-columns: .9fr 1.1fr;
    align-items: center;
    gap: 90px;
}

.reading-copy h2,
.summary-copy h2,
.business-copy h2,
.service-summary-copy h2 {
    margin: 0 0 22px;
    font-size: clamp(34px, 4.4vw, 56px);
    line-height: 1.28;
    letter-spacing: .035em;
}

.reading-copy p,
.summary-copy p,
.business-copy p,
.service-summary-copy p {
    color: var(--muted);
}

.reading-copy .lead,
.summary-copy .lead,
.business-copy .lead {
    color: var(--ink);
    font-size: 19px;
    font-weight: 800;
}

.reading-copy p:last-child {
    margin-bottom: 0;
    color: var(--ink);
}

.reading-example {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 18px;
    padding: 38px;
    border: 1px solid var(--line);
    border-radius: 30px;
    background: #fff;
    box-shadow: var(--shadow);
}

.reading-example__name,
.reading-example__domain {
    min-width: 0;
    padding: 28px 22px;
    border-radius: 20px;
    text-align: center;
}

.reading-example__name {
    border: 1px solid var(--line);
}

.reading-example__domain {
    color: #fff;
    background: var(--orange);
}

.reading-example span,
.reading-example strong {
    display: block;
}

.reading-example span {
    margin-bottom: 10px;
    font-size: 11px;
    font-weight: 800;
}

.reading-example strong {
    overflow-wrap: anywhere;
    font-size: clamp(23px, 2.7vw, 34px);
    line-height: 1.35;
}

.reading-example__arrow {
    display: grid;
    place-items: center;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    color: #fff;
    background: var(--orange);
    font-size: 20px;
    transform: rotate(-90deg);
}

.idea-card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}

.idea-card {
    min-width: 0;
    padding: 34px 30px;
    border-radius: 24px;
    color: var(--ink);
    background: #fff;
    box-shadow: 0 18px 46px rgba(102, 38, 14, .16);
}

.idea-card > span {
    display: inline-flex;
    padding: 6px 10px;
    border-radius: 999px;
    color: var(--orange);
    background: var(--cream);
    font-size: 11px;
    font-weight: 900;
}

.idea-card p {
    margin: 34px 0 8px;
    color: var(--muted);
    font-size: 14px;
}

.idea-card strong {
    display: block;
    overflow-wrap: anywhere;
    color: var(--orange);
    font-size: clamp(20px, 2.2vw, 28px);
    line-height: 1.5;
}

.idea-places {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 9px;
    margin-top: 34px;
}

.idea-places span {
    padding: 7px 13px;
    border: 1px solid rgba(255, 255, 255, .46);
    border-radius: 999px;
    font-size: 12px;
    font-weight: 800;
}

.ideas-summary {
    max-width: 820px;
    margin: 34px auto 0;
    font-size: 16px;
    font-weight: 700;
    text-align: center;
}

.ideas-section .section-action {
    margin-top: 36px;
}

.detail-link {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    margin-top: 18px;
    color: var(--orange);
    font-size: 14px;
    font-weight: 900;
}

.detail-link span {
    transition: transform .2s;
}

.detail-link:hover span {
    transform: translateX(4px);
}

.two-way-guide {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: stretch;
    gap: 14px;
    padding: 34px;
    border: 1px solid var(--line);
    border-radius: 30px;
    background: var(--cream);
}

.two-way-guide__item {
    display: flex;
    min-height: 260px;
    align-items: center;
    flex-direction: column;
    justify-content: center;
    padding: 26px 20px;
    border: 1px solid var(--line);
    border-radius: 20px;
    background: #fff;
    text-align: center;
}

.two-way-guide__item > span,
.two-way-guide__item small {
    color: var(--muted);
    font-size: 11px;
    font-weight: 800;
}

.two-way-guide__item > strong {
    margin: 9px 0 16px;
    overflow-wrap: anywhere;
    font-size: clamp(17px, 2vw, 24px);
    line-height: 1.45;
}

.two-way-guide__item--orange {
    border-color: var(--orange);
    color: #fff;
    background: var(--orange);
}

.two-way-guide__item--orange > span,
.two-way-guide__item--orange small {
    color: #fff;
    opacity: .82;
}

.two-way-guide__plus {
    display: grid;
    align-self: center;
    place-items: center;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    color: #fff;
    background: var(--orange);
    font-size: 23px;
}

.qr-symbol--small {
    width: 74px;
    height: 74px;
    margin: 12px auto 0;
    border-width: 7px;
    background-size: 12px 12px;
}

.qr-symbol--small::before,
.qr-symbol--small::after,
.qr-symbol--small span {
    width: 22px;
    height: 22px;
    border-width: 5px;
}

.business-grid {
    grid-template-columns: .82fr 1.18fr;
}

.domain-route-list {
    display: grid;
    gap: 18px;
}

.domain-route-card {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
    align-items: center;
    gap: 20px;
    padding: 30px;
    border: 1px solid var(--line);
    border-radius: 22px;
    background: #fff;
    box-shadow: var(--shadow);
}

.domain-route-card strong {
    overflow-wrap: anywhere;
    color: var(--orange);
    font-size: clamp(21px, 2.4vw, 29px);
    line-height: 1.4;
}

.domain-route-card > span {
    color: var(--orange);
    font-size: 24px;
}

.domain-route-card p {
    margin: 0;
    color: var(--muted);
    font-size: 14px;
    font-weight: 700;
}

.service-summary-grid {
    align-items: start;
}

.request-list {
    padding: 38px;
    border-radius: 28px;
    color: #fff;
    background: var(--ink);
    box-shadow: var(--shadow);
}

.request-list > p {
    margin: 0 0 22px;
    color: #cfc7c0;
    font-size: 14px;
    font-weight: 700;
}

.request-card {
    display: grid;
    grid-template-columns: 44px 1fr;
    align-items: center;
    gap: 16px;
    padding: 20px 0;
    border-top: 1px solid rgba(255, 255, 255, .16);
}

.request-card span {
    display: grid;
    place-items: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    color: #fff;
    background: var(--orange);
    font: 900 11px/1 Arial, sans-serif;
}

.request-card strong {
    font-size: 18px;
}

.detail-navigation-section {
    padding-top: 90px;
}

.detail-navigation-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}

.detail-navigation-card {
    position: relative;
    min-height: 250px;
    padding: 32px;
    border: 1px solid var(--line);
    border-radius: 24px;
    background: #fff;
    transition: transform .25s, box-shadow .25s, border-color .25s;
}

.detail-navigation-card:hover {
    border-color: var(--orange);
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.detail-navigation-card > span {
    color: var(--orange);
    font-size: 11px;
    font-weight: 900;
}

.detail-navigation-card > strong {
    display: block;
    margin: 34px 0 8px;
    font-size: 25px;
}

.detail-navigation-card p {
    margin: 0;
    color: var(--muted);
    font-size: 13px;
}

.detail-navigation-card b {
    position: absolute;
    right: 28px;
    bottom: 24px;
    color: var(--orange);
    font-size: 22px;
}

@media (max-width: 900px) {
    .reading-grid,
    .summary-grid,
    .business-grid,
    .service-summary-grid {
        grid-template-columns: 1fr;
        gap: 46px;
    }

    .reading-example {
        width: min(100%, 720px);
        margin-inline: auto;
    }

    .idea-card-grid,
    .detail-navigation-grid {
        grid-template-columns: 1fr;
    }

    .idea-card {
        min-height: 0;
    }

    .two-way-guide {
        width: min(100%, 720px);
        margin-inline: auto;
    }
}

@media (max-width: 620px) {
    .browser-card--simple .browser-card__address {
        min-width: 0;
    }

    .browser-card--simple .browser-card__address-hint {
        display: none;
    }

    .reading-copy h2,
    .summary-copy h2,
    .business-copy h2,
    .service-summary-copy h2 {
        font-size: 34px;
    }

    .reading-example {
        grid-template-columns: 1fr;
        padding: 24px;
    }

    .reading-example__arrow {
        margin-inline: auto;
        transform: none;
    }

    .idea-card {
        padding: 28px 24px;
    }

    .idea-card p {
        margin-top: 26px;
    }

    .ideas-summary br {
        display: none;
    }

    .two-way-guide {
        grid-template-columns: 1fr;
        padding: 22px;
    }

    .two-way-guide__item {
        min-height: 220px;
    }

    .two-way-guide__plus {
        margin-inline: auto;
    }

    .domain-route-card {
        grid-template-columns: 1fr;
        gap: 10px;
        padding: 26px 24px;
        text-align: center;
    }

    .domain-route-card > span {
        transform: rotate(90deg);
    }

    .request-list {
        padding: 30px 24px;
    }

    .detail-navigation-card {
        min-height: 220px;
        padding: 28px 24px;
    }
}


/* Header navigation hierarchy
----------------------------------------------------------------------------- */
.nav-item {
    position: relative;
    display: flex;
    align-items: center;
}

.nav-link,
.nav-link--parent {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    white-space: nowrap;
}

.nav-link__chevron {
    width: 7px;
    height: 7px;
    margin-top: -4px;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(45deg);
    transition: transform .2s ease;
}

.nav-submenu {
    position: absolute;
    z-index: 10;
    top: calc(100% + 16px);
    left: 50%;
    display: grid;
    width: 260px;
    padding: 10px;
    visibility: hidden;
    border: 1px solid var(--line);
    border-radius: 16px;
    color: var(--ink);
    background: #fff;
    box-shadow: 0 16px 36px rgba(40, 30, 20, .14);
    opacity: 0;
    transform: translate(-50%, -8px);
    transition: opacity .18s ease, visibility .18s ease, transform .18s ease;
}

.nav-submenu::before {
    content: "";
    position: absolute;
    right: 0;
    bottom: 100%;
    left: 0;
    height: 18px;
}

.nav-submenu a {
    display: block;
    padding: 11px 12px;
    border-radius: 10px;
    color: var(--ink);
    font-size: 13px;
    font-weight: 700;
    line-height: 1.5;
    text-decoration: none;
    white-space: nowrap;
}

.nav-submenu a:hover,
.nav-submenu a:focus-visible {
    color: var(--orange);
    background: #fff5f0;
    opacity: 1;
}

.nav-item--has-children:hover .nav-submenu,
.nav-item--has-children:focus-within .nav-submenu {
    visibility: visible;
    opacity: 1;
    transform: translate(-50%, 0);
}

.nav-item--has-children:hover .nav-link__chevron,
.nav-item--has-children:focus-within .nav-link__chevron {
    transform: translateY(4px) rotate(225deg);
}

@media (max-width: 1180px) and (min-width: 901px) {
    .header-inner {
        gap: 16px;
    }

    .site-name {
        display: none;
    }

    .nav {
        gap: 16px;
        font-size: 13px;
    }

    .nav .nav-cta {
        padding-inline: 15px;
    }
}

@media (max-width: 900px) {
    .nav {
        align-items: stretch;
        justify-content: flex-start;
        gap: 0;
        padding: 112px max(24px, calc((100vw - 420px) / 2)) 38px;
        overflow-y: auto;
    }

    .nav > .nav-link,
    .nav > .nav-item,
    .nav > .nav-cta {
        width: 100%;
        max-width: 420px;
        margin-inline: auto;
    }

    .nav > .nav-link,
    .nav-link--parent {
        min-height: 51px;
        padding: 12px 4px;
        border-bottom: 1px solid var(--line);
        font-size: 15px;
    }

    .nav-item--has-children {
        display: block;
    }

    .nav-link--parent {
        width: 100%;
        justify-content: space-between;
    }

    .nav-link__chevron {
        margin-right: 6px;
        transform: rotate(45deg);
    }

    .nav-submenu {
        position: static;
        display: grid;
        width: auto;
        padding: 7px 0 9px 18px;
        visibility: visible;
        border: 0;
        border-bottom: 1px solid var(--line);
        border-radius: 0;
        background: transparent;
        box-shadow: none;
        opacity: 1;
        transform: none;
    }

    .nav-submenu::before {
        display: none;
    }

    .nav-submenu a {
        padding: 9px 12px;
        border-left: 2px solid #f3c7b7;
        border-radius: 0;
        color: var(--muted);
        font-size: 13px;
        white-space: normal;
    }

    .nav-item--has-children:hover .nav-submenu,
    .nav-item--has-children:focus-within .nav-submenu {
        transform: none;
    }

    .nav-item--has-children:hover .nav-link__chevron,
    .nav-item--has-children:focus-within .nav-link__chevron {
        transform: rotate(45deg);
    }

    .nav > .nav-cta {
        justify-content: center;
        margin-top: 18px;
        padding-block: 13px;
        text-align: center;
    }
}