:root {
            --contact-text: rgba(24, 34, 47, 0.88);
            --contact-faint: rgba(67, 78, 93, 0.44);
        }

        .nav a[href="/contact/"] {
            color: rgba(56, 70, 88, 0.38);
            font-style: normal;
        }

        .nav a[href="/contact/"]:hover {
            color: rgba(28, 48, 73, 0.72);
        }

        .nav a[href="/contact/"].active {
            color: rgba(11, 31, 58, 0.98);
        }

        .page-content {
            font-size: var(--type-body);

            transform: translateY(6px);
            transition: transform 0.12s ease-out;
        }

        .page-content.loaded {
            transform: translateY(0);
        }

        .divider {
            width: min(420px, 58%);
            height: 1px;

            margin: 3px auto 0;

            border: 0;

            background:
                linear-gradient(90deg,
                    rgba(11, 31, 58, 0) 0%,
                    rgba(11, 31, 58, 0.025) 12%,
                    rgba(11, 31, 58, 0.065) 34%,
                    rgba(11, 31, 58, 0.085) 50%,
                    rgba(11, 31, 58, 0.065) 66%,
                    rgba(11, 31, 58, 0.025) 88%,
                    rgba(11, 31, 58, 0) 100%);
        }

        .contact-intro {
            display: grid;
            grid-template-columns: minmax(0, 1fr) 108px;
            align-items: start;
            column-gap: var(--space-7);

            box-sizing: border-box;
            width: 100%;
            padding-right: 38px;
            margin: var(--space-6) 0 var(--space-6);
        }

        .contact-head {
            width: 100%;
            min-width: 0;
            padding-top: 3px;
        }

        .contact-title {
            width: max-content;
            margin: 0 0 var(--flow-item);

            font-size: inherit;
            font-weight: 400;
            line-height: 1.2;
            letter-spacing: 0.25em;
            text-transform: uppercase;
            white-space: nowrap;

            color: rgba(11, 31, 58, 0.72);
        }

        .contact-welcome {
            max-width: 540px;
            margin: -2px 0 var(--flow-group);

            font-size: var(--type-body);
            font-weight: 400;
            line-height: 1.7;
            letter-spacing: 0.018em;

            color: var(--tone-secondary);
        }

        .contact-email-block {
            display: flex;
            flex-direction: column;
            align-items: center;

            width: 100%;
            margin-bottom: var(--space-6);

            text-align: center;
        }

        /* Contact email: retain the mailto link and add a quiet copy action. */
        .contact-email-actions {
            display: flex;
            align-items: baseline;
            justify-content: center;
            flex-wrap: nowrap;
            column-gap: 8px;
            row-gap: 0;
            max-width: 100%;
        }

        .contact-copy-button {
            appearance: none;
            padding: 4px 0;
            background: none;
            border: 0;
            border-bottom: 1px solid transparent;
            border-radius: 0;
            color: rgba(67, 78, 93, 0.58);
            font: inherit;
            font-size: var(--type-caption);
            font-weight: 400;
            letter-spacing: 0.035em;
            line-height: 1.5;
            white-space: nowrap;
            cursor: pointer;
            transition: color 0.18s ease, border-color 0.18s ease;
        }

        .contact-copy-button:hover,
        .contact-copy-button:focus-visible {
            color: rgba(11, 31, 58, 0.95);
            border-bottom-color: rgba(11, 31, 58, 0.5);
        }

        .contact-copy-button:focus-visible {
            outline: 2px solid rgba(11, 31, 58, 0.28);
            outline-offset: 3px;
        }

        .contact-copy-button[data-state="copied"] {
            color: rgba(11, 31, 58, 0.85);
        }

        .contact-copy-status {
            position: absolute;
            width: 1px;
            height: 1px;
            overflow: hidden;
            clip-path: inset(50%);
            white-space: nowrap;
        }

        .contact-email-link {
            display: inline-block;
            width: fit-content;

            font-size: var(--type-lead);
            font-weight: 500;
            line-height: 1.5;
            letter-spacing: 0.035em;

            color: rgba(18, 32, 50, 0.94);
            text-decoration: none;

            border-bottom: 1px solid rgba(11, 31, 58, 0.25);

            transition:
                color 0.18s ease,
                border-color 0.18s ease,
                opacity 0.18s ease;
        }

        .contact-email-link:hover {
            color: rgba(11, 31, 58, 1);
            border-bottom-color: rgba(11, 31, 58, 0.68);
        }

        .contact-email-meta {
            width: 100%;
            max-width: 570px;
            margin-top: 9px;

            font-size: var(--type-caption);
            font-style: italic;
            font-weight: 400;
            line-height: 1.6;
            letter-spacing: 0.055em;

            text-align: center;

            color: var(--tone-meta);
        }

        .contact-profile {
            display: grid;
            gap: var(--flow-item);

            width: 100%;
        }

        .contact-profile-row {
            display: grid;
            grid-template-columns: 112px minmax(0, 1fr);
            align-items: start;
            column-gap: 19px;
        }

        .contact-profile-key {
            width: max-content;
            padding-top: 0.24em;

            font-size: var(--type-caption);
            font-weight: 500;
            line-height: 1.4;
            letter-spacing: 0.17em;
            text-transform: uppercase;
            white-space: nowrap;

            color: var(--tone-meta);
        }

        .contact-profile-copy {
            min-width: 0;
        }

        .contact-profile-primary {
            font-size: var(--type-body);
            font-weight: 500;
            line-height: 1.42;
            letter-spacing: 0.025em;

            color: rgba(18, 32, 50, 0.9);
        }

        .contact-profile-secondary {
            margin-top: 2px;

            font-size: var(--type-small);
            font-weight: 400;
            line-height: 1.55;
            letter-spacing: 0.028em;

            color: var(--tone-meta);
        }


        @media (min-width: 641px) {
            .contact-profile-primary {
                white-space: nowrap;
            }

            .contact-profile-secondary {
                display: block;
                width: 100%;
                min-width: 0;
                max-width: 100%;

                overflow: hidden;
                text-overflow: ellipsis;
                white-space: nowrap;
            }

            .contact-profile-secondary .desktop-only {
                display: block;
                min-width: 0;

                overflow: hidden;
                text-overflow: ellipsis;
                white-space: nowrap;
            }

            .divider {
                margin-left: auto;
                margin-right: 38px;
            }

            .contact-section--profiles {
                justify-items: end;

                padding-right: 38px;
                padding-left: 0;

                text-align: right;
            }

            .contact-section--profiles .contact-label {
                margin-right: 0;
                margin-left: auto;

                text-align: right;
            }

            .contact-section--profiles .contact-links {
                justify-content: flex-end;

                text-align: right;
            }

            .contact-archive-entry {
                display: flex;
                flex-direction: column;
                align-items: flex-end;

                width: 100%;

                text-align: right;
            }

            .contact-archive-description {
                margin-left: auto;
                margin-right: 0;
            }

            .contact-footer::before {
                left: auto;
                right: 0;

                background:
                    linear-gradient(270deg,
                        rgba(11, 31, 58, 0.1) 0%,
                        rgba(11, 31, 58, 0.042) 48%,
                        rgba(11, 31, 58, 0) 100%);
            }
        }

        .contact-visual {
            display: flex;
            flex-direction: column;
            align-items: flex-end;

            justify-self: end;
            align-self: start;

            width: 108px;
            margin: 72px 0 0;

            opacity: 1;

            transition: opacity 0.3s ease;
        }

        .contact-visual:hover {
            opacity: 1;
        }

        .contact-visual-frame {
            position: relative;
            overflow: hidden;
            isolation: isolate;

            width: 100%;
            aspect-ratio: 1 / 1;

            background: rgba(11, 31, 58, 0.025);

            border: 1px solid rgba(11, 31, 58, 0.06);

            box-shadow:
                0 7px 18px rgba(11, 31, 58, 0.025);
        }

        .contact-visual-frame picture {
            display: block;
            width: 100%;
            height: 100%;
        }

        .contact-visual-frame img {
            display: block;

            width: 100%;
            height: 100%;

            object-fit: cover;
            object-position: center;

            opacity: 1;

            filter:
                saturate(0.32) contrast(0.96) brightness(1.045);

            transform: scale(1.001);

            transition:
                filter 0.4s ease,
                opacity 0.4s ease,
                transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
        }

        .contact-visual-frame::after {
            content: "";

            position: absolute;
            inset: 0;
            z-index: 1;

            pointer-events: none;

            background:
                linear-gradient(180deg,
                    rgba(237, 239, 243, 0.01),
                    rgba(11, 31, 58, 0.035));
        }

        .contact-visual:hover .contact-visual-frame img {
            opacity: 1;

            filter:
                saturate(0.72) contrast(1.07) brightness(0.965);

            transform: scale(1.016);
        }

        .contact-visual figcaption {
            display: flex;
            flex-direction: column;
            align-items: flex-end;
            gap: 3px;

            width: max-content;
            margin-top: 7px;
            padding-top: 6px;

            text-align: right;

            border-top: 1px solid rgba(11, 31, 58, 0.07);

            font-size: var(--type-caption);
            font-weight: 400;
            line-height: 1.4;
            letter-spacing: 0.025em;

            color: rgba(67, 78, 93, 0.45);

            transition:
                color 0.3s ease,
                border-color 0.3s ease;
        }

        .contact-visual-event,
        .contact-visual-meta {
            display: block;
            white-space: nowrap;
        }

        .contact-visual-event {
            color: rgba(37, 49, 65, 0.57);
            transition: color 0.3s ease;
        }

        .contact-visual-meta {
            color: rgba(67, 78, 93, 0.38);
            transition: color 0.3s ease;
        }

        .contact-visual:hover figcaption {
            border-top-color: rgba(11, 31, 58, 0.14);
        }

        .contact-visual:hover .contact-visual-event {
            color: rgba(24, 36, 52, 0.88);
        }

        .contact-visual:hover .contact-visual-meta {
            color: rgba(55, 67, 82, 0.64);
        }

        .contact-section {
            display: grid;
            grid-template-columns: 1fr;
            justify-items: center;
            row-gap: 14px;

            box-sizing: border-box;
            width: 100%;
            margin: 27px auto 40px;
            padding-inline: 20px;

            text-align: center;
        }

        .contact-label {
            width: max-content;
            margin: 0 auto;
            padding-top: 0;

            font-size: var(--type-caption);
            font-weight: 500;
            line-height: 1.4;
            letter-spacing: 0.2em;
            text-transform: uppercase;
            white-space: nowrap;

            color: rgba(11, 31, 58, 0.5);
        }

        .contact-links {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            align-items: baseline;
            gap: 8px 30px;

            width: 100%;
            min-width: 0;
            padding-top: 0.02em;

            text-align: center;
        }

        .contact-links a {
            position: relative;

            display: inline-block;
            width: fit-content;

            font-size: var(--type-body);
            line-height: 1.5;
            letter-spacing: 0.035em;

            color: rgba(34, 45, 59, 0.78);
            text-decoration: none;

            border-bottom: 1px solid transparent;

            transition:
                color 0.18s ease,
                border-color 0.18s ease,
                opacity 0.18s ease;
        }

        .contact-links a:hover {
            color: rgba(11, 31, 58, 0.98);
            border-bottom-color: rgba(11, 31, 58, 0.38);
        }

        .contact-section--profiles {
            margin-bottom: 27px;
        }

        .research-visuals {
            box-sizing: border-box;

            width: min(950px, calc(100vw - 48px));
            max-width: none;

            margin: 0 0 4px;
            margin-left: 50%;
            padding-top: 21px;

            transform: translateX(-50%);

            border-top: 1px solid rgba(11, 31, 58, 0.07);
        }

        .research-visuals-head {
            display: block;
            margin-bottom: 14px;
        }

        .research-visuals-heading {
            min-width: 0;
        }

        .research-visuals-controls,
        .research-visuals-button {
            display: none;
        }


        .research-visuals-title {
            margin: 0;

            font-size: var(--type-caption);
            font-weight: 500;
            line-height: 1.4;
            letter-spacing: 0.18em;
            text-transform: uppercase;

            color: rgba(11, 31, 58, 0.52);
        }

        .research-visuals-description {
            margin: 5px 0 0;

            font-size: var(--type-caption);
            font-style: italic;
            font-weight: 400;
            line-height: 1.5;
            letter-spacing: 0.032em;

            color: rgba(67, 78, 93, 0.36);
        }

        .research-visuals-button {
            display: grid;
            place-items: center;

            box-sizing: border-box;
            width: 30px;
            height: 27px;
            padding: 0;

            font-family: inherit;
            font-size: var(--type-small);
            line-height: 1;

            color: rgba(11, 31, 58, 0.5);
            background: transparent;

            border: 1px solid rgba(11, 31, 58, 0.09);
            border-radius: 1px;

            cursor: pointer;

            transition:
                color 0.18s ease,
                border-color 0.18s ease,
                background-color 0.18s ease,
                opacity 0.18s ease;
        }

        .research-visuals-button:hover:not(:disabled),
        .research-visuals-button:focus-visible:not(:disabled) {
            color: rgba(11, 31, 58, 0.86);
            background: rgba(255, 255, 255, 0.16);

            border-color: rgba(11, 31, 58, 0.24);

            outline: none;
        }

        .research-visuals-button:disabled {
            opacity: 0.23;
            cursor: default;
        }

        .research-visuals-window {
            position: relative;
            width: 100%;
            overflow: visible;
        }

        .research-visuals-window::after {
            display: none;
        }

        .research-visuals-window.is-at-end::after {
            opacity: 0;
        }

        .research-visuals-viewport {
            width: 100%;
            overflow: visible;

            scrollbar-width: auto;
            scroll-snap-type: none;
            overscroll-behavior-inline: auto;
        }

        .research-visuals-viewport::-webkit-scrollbar {
            display: none;
        }

        .research-visuals-viewport:focus-visible {
            outline: 1px solid rgba(11, 31, 58, 0.12);
            outline-offset: 5px;
        }

        .research-visuals-track {
            display: grid;
            grid-template-columns: repeat(4, minmax(0, 1fr));
            align-items: start;
            gap: 12px;

            width: 100%;
            min-width: 0;
            padding: 0;
        }

        /* Use two columns only when four would squeeze the caption below one line. */
        @media (min-width: 641px) and (max-width: 760px) {
            .research-visuals-track {
                grid-template-columns: repeat(2, minmax(0, 1fr));
                column-gap: 16px;
                row-gap: 22px;
            }
        }

        .research-visual-card {
            display: flex;
            flex-direction: column;

            width: 100%;
            min-width: 0;
            margin: 0;
        }

        .research-visual-media {
            position: relative;
            isolation: isolate;

            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;

            box-sizing: border-box;
            width: 100%;
            height: 160px;
            padding: 0;

            background: transparent;

            border: 1px solid rgba(11, 31, 58, 0.055);
            border-radius: 1px;

            box-shadow: none;
        }



        .research-visual-media::after {
            display: none;
        }

        .research-visual-media img,
        .research-visual-media video {
            display: block;

            width: 100%;
            height: 100%;

            object-fit: contain;
            object-position: center;

            opacity: 0.7;
            image-rendering: auto;

            transition: opacity 0.24s ease;
        }

        .research-visual-open:hover img,
        .research-visual-open:focus-visible img,
        .research-visual-open:hover video,
        .research-visual-open:focus-visible video {
            opacity: 1;
        }

        .research-visual-media .research-visual-gif,
        .research-visual-open:hover .research-visual-gif,
        .research-visual-open:focus-visible .research-visual-gif {
            filter: none;
        }

        .research-visual-video:focus-visible {
            border-color: rgba(11, 31, 58, 0.28);
            outline: none;
        }

        .research-visual-motion {
            position: absolute;
            top: 8px;
            right: 8px;
            z-index: 3;

            padding: 3px 5px 2px;

            font-size: var(--type-caption);
            font-weight: 500;
            line-height: 1;
            letter-spacing: 0.12em;
            text-transform: uppercase;

            color: rgba(245, 247, 250, 0.86);
            background: rgba(11, 31, 58, 0.42);

            border: 1px solid rgba(255, 255, 255, 0.12);

            transition:
                opacity 0.2s ease,
                background-color 0.2s ease;
        }

        .research-visual-video.is-playing .research-visual-motion {
            opacity: 0.52;
            background: rgba(11, 31, 58, 0.55);
        }

        .research-visual-card figcaption {
            display: flex;
            flex-direction: column;
            gap: 2px;

            box-sizing: border-box;
            width: 100%;
            min-width: 0;

            margin-top: 8px;
            padding-right: 4px;
        }

        .research-visual-name,
        .research-visual-meta {
            display: block;
            min-width: 0;
        }

        .research-visual-name {
            font-size: var(--type-small);
            font-weight: 500;
            line-height: 1.42;
            letter-spacing: 0.027em;
            margin-top: 5px;
            margin-bottom: 3px;
            color: rgba(37, 49, 65, 0.68);
        }

        .research-visual-meta {
            font-size: var(--type-caption);
            font-weight: 400;
            line-height: 1.45;
            letter-spacing: 0;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;

            color: rgba(67, 78, 93, 0.39);
        }

        .research-visual-link {
            display: inline-flex;
            align-items: center;
            gap: 5px;

            width: fit-content;
            margin-top: 6px;
            padding-bottom: 1px;

            font-size: var(--type-caption);
            font-weight: 500;
            line-height: 1.4;
            letter-spacing: 0.075em;
            text-transform: uppercase;

            color: rgba(11, 31, 58, 0.42);
            text-decoration: none;

            border-bottom: 1px solid rgba(11, 31, 58, 0.11);

            transition:
                color 0.18s ease,
                border-color 0.18s ease;
        }

        .research-visual-link-arrow {
            display: inline-block;

            color: rgba(11, 31, 58, 0.3);

            transition:
                color 0.18s ease,
                transform 0.2s ease;
        }

        .research-visual-link:hover,
        .research-visual-link:focus-visible {
            color: rgba(11, 31, 58, 0.76);
            border-bottom-color: rgba(11, 31, 58, 0.32);

            outline: none;
        }

        .research-visual-link:hover .research-visual-link-arrow,
        .research-visual-link:focus-visible .research-visual-link-arrow {
            color: rgba(11, 31, 58, 0.66);
            transform: translateX(2px);
        }

        html[data-lang="ja"] .research-visual-link {
            letter-spacing: 0.035em;
            text-transform: none;
        }

        .contact-footer {
            position: relative;

            box-sizing: border-box;

            width: min(950px, calc(100vw - 48px));
            max-width: none;

            margin: 40px 0 10px;
            margin-left: 50%;
            padding: 19px 0 0;

            transform: translateX(-50%);

            text-align: left;
        }

        .contact-footer::before {
            content: "";

            position: absolute;
            top: 0;
            left: 0;

            width: 260px;
            height: 1px;

            background:
                linear-gradient(90deg,
                    rgba(11, 31, 58, 0.1) 0%,
                    rgba(11, 31, 58, 0.042) 48%,
                    rgba(11, 31, 58, 0) 100%);
        }

        .contact-archive-entry {
            margin-top: 0;
        }

        .contact-archive-link {
            display: inline-flex;
            align-items: center;
            gap: 7px;

            width: fit-content;
            padding-bottom: 2px;

            font-size: var(--type-caption);
            font-weight: 500;
            line-height: 1.4;
            letter-spacing: 0.15em;
            text-transform: uppercase;

            color: rgba(11, 31, 58, 0.48);
            text-decoration: none;

            border-bottom: 0.1px solid rgba(11, 31, 58, 0.08);

            transition:
                color 0.18s ease,
                border-color 0.18s ease;
        }

        .contact-archive-arrow {
            display: inline-block;

            color: rgba(11, 31, 58, 0.37);

            transition:
                color 0.18s ease,
                transform 0.22s ease;
        }

        .contact-archive-link:hover {
            color: rgba(11, 31, 58, 0.78);
            border-bottom-color: rgba(11, 31, 58, 0.38);
        }

        .contact-archive-link:hover .contact-archive-arrow {
            color: rgba(11, 31, 58, 0.7);
            transform: translateX(3px);
        }

        .contact-archive-link:focus-visible {
            color: rgba(11, 31, 58, 0.82);
            border-bottom-color: currentColor;

            outline: none;
        }

        .contact-archive-description {
            max-width: 520px;
            margin: 7px 0 0;

            font-size: var(--type-caption);
            font-style: italic;
            font-weight: 400;
            line-height: 1.6;
            letter-spacing: 0.022em;

            color: rgba(67, 78, 93, 0.35);
        }

        .contact-site-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: baseline;
            gap: 4px 8px;

            margin-top: 20px;

            font-size: var(--type-caption);
            font-weight: 400;
            line-height: 1.5;
            letter-spacing: 0.025em;

            color: rgba(67, 78, 93, 0.57);
        }

        .contact-footer-separator {
            color: rgba(67, 78, 93, 0.18);
        }

        html[data-lang="ja"] .contact-site-meta {
            letter-spacing: 0.015em;
        }

        html[data-lang="ja"] .contact-archive-link {
            letter-spacing: 0.08em;
        }

        html[data-lang="ja"] .contact-archive-description {
            letter-spacing: 0.015em;
        }

        .contact-enquiry-options {
            width: min(440px, 100%);
            margin-top: 20px;

            text-align: left;
        }

        .contact-enquiry-label {
            display: block;

            margin-bottom: 7px;
            padding-left: 2px;

            font-size: var(--type-caption);
            font-weight: 500;
            line-height: 1.4;
            letter-spacing: 0.16em;
            text-transform: uppercase;

            color: rgba(11, 31, 58, 0.4);
        }

        .contact-enquiry-links {
            display: flex;
            flex-direction: column;
        }

        .contact-enquiry-links a {
            position: relative;

            display: grid;
            grid-template-columns: minmax(0, 1fr) auto;
            align-items: baseline;
            gap: 14px;

            padding: 7px 2px;

            font-size: var(--type-caption);
            line-height: 1.45;
            letter-spacing: 0.025em;

            color: rgba(38, 49, 63, 0.68);
            text-decoration: none;

            border-top: 1px solid rgba(11, 31, 58, 0.065);

            transition:
                color 0.18s ease,
                padding-left 0.22s ease;
        }

        .contact-enquiry-links a:last-child {
            border-bottom: 1px solid rgba(11, 31, 58, 0.065);
        }

        .contact-enquiry-arrow {
            color: rgba(11, 31, 58, 0.3);

            transition:
                color 0.18s ease,
                transform 0.22s ease;
        }

        .contact-enquiry-options {
            width: min(440px, 100%);
            margin-top: 20px;
            text-align: left;
        }

        .contact-enquiry-label {
            display: block;

            margin-bottom: 7px;
            padding-left: 2px;

            font-size: var(--type-caption);
            font-weight: 500;
            line-height: 1.4;
            letter-spacing: 0.16em;
            text-transform: uppercase;

            color: rgba(11, 31, 58, 0.4);
        }

        .contact-enquiry-links {
            display: flex;
            flex-direction: column;
        }

        .contact-enquiry-arrow {
            color: rgba(11, 31, 58, 0.3);

            transition:
                color 0.18s ease,
                transform 0.22s ease;
        }

        @media (hover: hover) and (pointer: fine) {
            .contact-enquiry-links a:hover {
                padding-left: 6px;
                color: rgba(11, 31, 58, 0.92);
            }

            .contact-enquiry-links a:hover .contact-enquiry-arrow {
                color: rgba(11, 31, 58, 0.72);
                transform: translateX(2px);
            }
        }

        .research-visual-open {
            appearance: none;

            position: relative;
            z-index: 1;

            font: inherit;
            color: inherit;

            pointer-events: auto !important;
            cursor: zoom-in;
        }

        .research-visual-open img,
        .research-visual-open .research-visual-motion {
            pointer-events: none;
        }

        .research-visual-open:hover {
            border-color: rgba(11, 31, 58, 0.16);
        }

        .research-visual-open:focus-visible {
            border-color: rgba(11, 31, 58, 0.3);

            outline: 1px solid rgba(11, 31, 58, 0.18);
            outline-offset: 3px;
        }

        .desktop-only {
            display: inline;
        }

        .mobile-only {
            display: none;
        }

        @media (min-width: 900px) {

            .contact-profile-row:first-child .contact-profile-secondary,
            .contact-profile-row:first-child .contact-profile-secondary .desktop-only {
                width: max-content;
                max-width: none;
                overflow: visible;
                text-overflow: clip;
                white-space: nowrap;
            }
        }

        @media (max-width: 640px) {
            .nav a[href="/contact/"] {
                color: rgba(56, 70, 88, 0.34);
                opacity: 1;
            }

            .nav a[href="/contact/"].active {
                color: rgba(11, 31, 58, 0.96);
            }

            .page-content {
                max-width: none;
                min-height: 62vh;

                font-size: inherit;
            }

            .divider {
                margin: 23px 0;
            }

            .contact-intro {
                display: block;

                width: 100%;
                padding-right: 0;
                margin: 20px 0 27px;
            }

            .contact-head {
                padding-top: 0;
            }

            .contact-title {
                margin-bottom: 16px;

                font-size: var(--type-small);
                letter-spacing: 0.19em;
            }

            .contact-welcome {
                max-width: 100%;
                width: 100%;
                text-align: justify;
                text-align-last: left;
                text-justify: inter-word;
                margin: -2px 0 22px;

                font-size: var(--type-small);
                line-height: 1.65;
                letter-spacing: 0.012em;
            }

            /* Mobile contact: email flows directly into Current / Degree. */
            .contact-email-block {
                margin-bottom: var(--flow-group);
            }

            .contact-email-meta {
                display: none;
            }

            .contact-email-actions {
                flex-direction: row;
                align-items: baseline;
                justify-content: center;
                flex-wrap: nowrap;
                gap: 6px;
                max-width: 100%;
            }

            .contact-copy-button {
                flex: 0 0 auto;
                padding: 4px 2px;
                font-size: var(--type-caption);
                letter-spacing: 0;
            }

            .contact-email-link {
                max-width: 100%;

                font-size: var(--type-body);
                font-weight: 500;
                letter-spacing: 0.02em;

                overflow-wrap: anywhere;
            }

            .contact-email-meta {
                max-width: 100%;
                margin-top: 7px;

                /* A quiet, single line on 320–430px screens without clipping. */
                font-size: 0.72rem;
                line-height: 1.55;
                letter-spacing: 0;
            }

            .contact-profile {
                gap: var(--flow-item);
            }

            .contact-profile-row {
                grid-template-columns: 82px minmax(0, 1fr);
                column-gap: 13px;
            }

            .contact-profile-key {
                padding-top: 0.22em;

                font-size: var(--type-caption);
                letter-spacing: 0.14em;
            }

            .contact-profile-primary {
                font-size: var(--type-small);
                line-height: 1.4;
            }

            .contact-profile-secondary {
                margin-top: 2px;

                font-size: var(--type-caption);
                line-height: 1.5;
                letter-spacing: 0.018em;
            }

            .contact-visual {
                display: none;
            }

            .contact-section {
                row-gap: 11px;

                margin: 22px 0 36px;
                padding-inline: 0;
            }

            .contact-label {
                font-size: var(--type-caption);
                letter-spacing: 0.17em;
            }

            .contact-links {
                gap: 8px 22px;
            }

            .contact-links a {
                font-size: var(--type-small);
            }

            .research-visuals {
                display: none;
            }

            .contact-footer {
                width: 100%;
                max-width: none;

                margin: 43px 0 16px;
                padding: 16px 0 0;
            }

            .contact-footer::before {
                width: 150px;

                background:
                    linear-gradient(90deg,
                        rgba(11, 31, 58, 0.085) 0%,
                        rgba(11, 31, 58, 0.032) 52%,
                        rgba(11, 31, 58, 0) 100%);
            }

            .contact-archive-link {
                gap: 6px;

                font-size: var(--type-caption);
                letter-spacing: 0.13em;
            }

            .contact-archive-description {
                max-width: 92%;
                margin-top: 6px;

                font-size: var(--type-caption);
                line-height: 1.55;
                letter-spacing: 0.015em;
            }

            .contact-site-meta {
                gap: 3px 7px;

                margin-top: 18px;

                font-size: var(--type-caption);
                line-height: 1.5;
                letter-spacing: 0.015em;

                color: rgba(67, 78, 93, 0.25);
            }

            /* The enquiry shortcuts belong to the desktop contact layout only. */
            .contact-enquiry-options {
                display: none;
            }

            .desktop-only {
                display: none !important;
            }

            .mobile-only {
                display: inline;
            }

            .contact-section--profiles {
                margin-bottom: 0;
            }

            .contact-footer {
                width: 100%;
                max-width: none;

                margin: 28px 0 12px;
                margin-left: 0;
                padding: 15px 0 0;

                transform: none;

                text-align: right;
            }

            .contact-footer::before {
                left: auto;
                right: 0;

                width: 120px;

                background:
                    linear-gradient(270deg,
                        rgba(11, 31, 58, 0.09) 0%,
                        rgba(11, 31, 58, 0.034) 52%,
                        rgba(11, 31, 58, 0) 100%);
            }

            .contact-archive-entry {
                display: flex;
                flex-direction: column;
                align-items: flex-end;

                width: 100%;

                text-align: right;
            }

            .contact-archive-link {
                gap: 6px;

                font-size: var(--type-caption);
                letter-spacing: 0.13em;
            }

            .contact-archive-description {
                max-width: 100%;

                margin: 6px 0 0 auto;

                /* Keep the Archive description on a single natural line. */
                font-size: 0.72rem;
                line-height: 1.55;
                letter-spacing: 0;
            }

            .contact-site-meta {
                justify-content: flex-end;

                margin-top: 16px;

                font-size: var(--type-caption);
                line-height: 1.5;
                letter-spacing: 0.015em;

                color: rgba(67, 78, 93, 0.38);
            }
        }

        @media (prefers-reduced-motion: reduce) {

            .page-content,
            .contact-email-link,
            .contact-copy-button,
            .contact-links a,
            .contact-visual,
            .contact-visual-frame img,
            .contact-archive-link,
            .contact-archive-arrow {
                transition: none;
            }
        }

        /* Thumbnail buttons */

        .research-visual-open {
            appearance: none;

            position: relative;
            z-index: 1;

            font: inherit;
            color: inherit;

            pointer-events: auto;
            cursor: zoom-in;
        }

        .research-visual-open img,
        .research-visual-open .research-visual-motion {
            pointer-events: none;
        }

        .research-visual-open:hover {
            border-color: rgba(11, 31, 58, 0.14);
        }

        .research-visual-open:focus-visible {
            border-color: rgba(11, 31, 58, 0.24);

            outline: 1px solid rgba(11, 31, 58, 0.14);
            outline-offset: 3px;
        }


        /* Lightbox */

        .research-lightbox {
            position: fixed;
            inset: 0;
            z-index: 2147483647;

            display: grid;
            place-items: center;

            box-sizing: border-box;
            width: 100vw;
            height: 100vh;
            padding: 24px;

            visibility: hidden;
            pointer-events: none;
            opacity: 0;

            /*
     * backdrop-filter는 전체 화면을 매 프레임 다시 계산하므로 제거.
     * 반투명 단색만으로도 충분히 차분하게 보인다.
     */
            background: rgba(10, 19, 31, 0.58);

            touch-action: none;

            transition:
                opacity 0.16s ease,
                visibility 0s linear 0.16s;
        }

        .research-lightbox.is-open {
            visibility: visible;
            pointer-events: auto;
            opacity: 1;

            transition-delay: 0s;
        }

        .research-lightbox-dialog {
            position: relative;

            display: flex;
            flex-direction: column;
            overflow: hidden;

            width: min(680px, 76vw);
            max-height: 78vh;

            background: rgba(248, 249, 251, 0.99);

            border: 1px solid rgba(255, 255, 255, 0.34);
            border-radius: 3px;

            box-shadow:
                0 16px 40px rgba(3, 12, 24, 0.17),
                0 3px 10px rgba(3, 12, 24, 0.07);

            opacity: 0;
            transform: translate3d(0, 6px, 0);

            contain: layout paint;
            will-change: opacity, transform;

            transition:
                opacity 0.15s ease,
                transform 0.22s cubic-bezier(0.22, 1, 0.36, 1);
        }

        .research-lightbox.is-open .research-lightbox-dialog {
            opacity: 1;
            transform: translate3d(0, 0, 0);
        }


        /* Image */

        .research-lightbox-media {
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;

            box-sizing: border-box;
            width: 100%;
            height: min(48vh, 420px);
            min-height: 250px;
            padding: 18px 18px 10px;

            background: rgba(248, 249, 251, 0.99);
        }

        .research-lightbox-media img,
        .research-lightbox-media video {
            display: block;

            width: 100%;
            height: 100%;
            max-width: none;
            max-height: none;

            object-fit: contain;
            object-position: center;

            opacity: 1 !important;
            filter: none !important;
            transform: none !important;

            image-rendering: auto;

            cursor: zoom-out;
        }

        .research-visual-media .research-visual-gif {
            filter: none;
        }

        .research-visual-card:hover .research-visual-media .research-visual-gif {
            filter: none;
            opacity: 1;
        }

        .research-lightbox-caption {
            display: flex;
            flex-direction: column;
            gap: 6px;

            padding: 16px 22px 20px;

            border-top: 1px solid rgba(11, 31, 58, 0.07);
        }

        .research-lightbox-title {
            font-size: var(--type-body);
            font-weight: 500;
            line-height: 1.4;
            letter-spacing: 0.025em;

            color: rgba(25, 38, 54, 0.82);
        }

        .research-lightbox-meta {
            font-size: var(--type-small);
            font-weight: 400;
            line-height: 1.55;
            letter-spacing: 0.025em;

            color: rgba(67, 78, 93, 0.58);
        }

        .research-lightbox-close {
            appearance: none;

            position: absolute;
            top: 9px;
            right: 9px;
            z-index: 3;

            display: grid;
            place-items: center;

            box-sizing: border-box;
            width: 26px;
            height: 26px;
            padding: 0;

            font: inherit;
            font-size: var(--type-body);
            font-weight: 300;
            line-height: 1;

            color: rgba(32, 45, 61, 0.58);
            background: rgba(248, 249, 251, 0.86);

            border: 1px solid rgba(11, 31, 58, 0.075);
            border-radius: 50%;

            cursor: pointer;
            opacity: 0.72;

            transition:
                opacity 0.15s ease,
                color 0.15s ease,
                background-color 0.15s ease;
        }

        .research-lightbox-close:hover,
        .research-lightbox-close:focus-visible {
            color: rgba(20, 34, 51, 0.86);
            background: rgba(250, 251, 252, 0.99);

            opacity: 1;
            outline: none;
        }

        @media (prefers-reduced-motion: reduce) {

            .research-lightbox,
            .research-lightbox-dialog,
            .research-lightbox-close {
                transition: none;
            }
        }
    
/* v6 — Contact: one correspondence block, then a quiet credentials pair.
   Retains the greeting, photograph, bilingual text, and mailto actions. */
@media (min-width: 641px) {
  .contact-intro {
    grid-template-columns: minmax(0, 1fr) 108px;
    column-gap: clamp(24px, 4vw, 48px);
    padding-right: 26px;
    margin-bottom: 36px;
  }
  .contact-visual { margin-top: 73px; }
  .contact-welcome { margin-bottom: 27px; }
  .contact-email-block {
    display: grid;
    grid-template-columns: minmax(0, 1.16fr) minmax(185px, .84fr);
    grid-template-areas:
      "heading reasons"
      "address reasons"
      "note reasons";
    align-items: start;
    justify-items: start;
    gap: 6px 25px;
    width: 100%;
    margin: 0 0 29px;
    text-align: left;
  }
  .contact-email-heading {
    grid-area: heading;
    font-size: var(--type-caption);
    line-height: 1.4;
    letter-spacing: .13em;
    font-weight: 400;
    text-transform: uppercase;
    color: rgba(62, 77, 94, .53);
  }
  .contact-email-actions {
    grid-area: address;
    justify-content: flex-start;
    align-items: baseline;
    min-width: 0;
  }
  .contact-email-link {
    font-size: clamp(14px, 1.55vw, 18px);
    line-height: 1.5;
    font-weight: 400;
    letter-spacing: 0;
    overflow-wrap: anywhere;
  }
  .contact-email-meta {
    grid-area: note;
    max-width: 360px;
    margin-top: 1px;
    font-size: var(--type-caption);
    line-height: 1.55;
    letter-spacing: 0;
    text-align: left;
  }
  .contact-enquiry-options {
    grid-area: reasons;
    width: 100%;
    min-width: 0;
    margin: 0;
    padding-left: 21px;
    border-left: 1px solid rgba(11, 31, 58, .11);
  }
  .contact-enquiry-label {
    padding: 0;
    margin-bottom: 7px;
    font-weight: 400;
    letter-spacing: .10em;
    color: rgba(62, 77, 94, .55);
  }
  .contact-enquiry-links a {
    padding: 6px 0;
    gap: 8px;
    font-size: var(--type-caption);
    color: rgba(42, 57, 74, .70);
  }
  .contact-profile {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 27px;
    width: 100%;
    margin: 4px 0 0;
    padding-top: 17px;
    border-top: 1px solid rgba(11, 31, 58, .11);
  }
  .contact-profile-row { display: block; min-width: 0; }
  .contact-profile-key {
    display: block;
    margin-bottom: 8px;
    padding-top: 0;
    font-size: var(--type-caption);
    font-weight: 400;
    letter-spacing: .12em;
  }
  .contact-profile-primary { font-size: var(--type-small); font-weight: 500; }
  .contact-profile-secondary,
  .contact-profile-row:first-child .contact-profile-secondary,
  .contact-profile-row:first-child .contact-profile-secondary .desktop-only {
    display: block;
    width: 100%;
    max-width: 100%;
    margin-top: 5px;
    font-size: var(--type-caption);
    line-height: 1.6;
    letter-spacing: 0;
    overflow: visible;
    white-space: normal;
    text-overflow: clip;
  }
}
@media (min-width: 641px) and (max-width: 980px) {
  .contact-email-block {
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas: "heading" "address" "note" "reasons";
    row-gap: 7px;
  }
  .contact-enquiry-options {
    margin-top: 14px;
    padding: 10px 0 0;
    border-left: 0;
    border-top: 1px solid rgba(11, 31, 58, .10);
  }
  .contact-profile { gap: 18px; }
}
@media (max-width: 640px) {
  .contact-email-block { align-items: flex-start; text-align: left; margin-bottom: 20px; }
  .contact-email-heading {
    display: block;
    align-self: flex-start;
    margin-bottom: 7px;
    font-size: var(--type-caption);
    font-weight: 400;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: rgba(62, 77, 94, .55);
  }
  .contact-email-actions { justify-content: flex-start; }
  .contact-email-link { font-size: var(--type-small); font-weight: 400; letter-spacing: 0; }
  .contact-profile {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 16px;
    padding-top: 16px;
    border-top: 1px solid rgba(11,31,58,.11);
  }
  .contact-profile-row { display: block; min-width: 0; }
  .contact-profile-key { margin-bottom: 8px; padding-top: 0; font-weight: 400; letter-spacing: .10em; }
  .contact-profile-primary { font-size: var(--type-small); }
  .contact-profile-secondary { font-size: var(--type-caption); overflow-wrap: anywhere; }
}

/* v7 — tighter correspondence grid and quiet credential hierarchy.
   The enquiry column remains within the textual column, never under the photo. */
@media (min-width: 981px) {
  .contact-email-block {
    grid-template-columns: minmax(0, .93fr) minmax(195px, 1.07fr);
    column-gap: 17px;
    max-width: min(100%, 695px);
  }
  .contact-enquiry-options {
    padding-left: 14px;
  }
}
@media (min-width: 641px) {
  .contact-intro { margin-bottom: 16px; }
  .contact-profile-secondary,
  .contact-profile-row:first-child .contact-profile-secondary {
    margin-top: 4px;
  }
}
.contact-profile-institution,
.contact-profile-detail {
  display: block;
  min-width: 0;
  overflow-wrap: normal;
}
.contact-profile-institution {
  font-size: var(--type-institution);
  font-weight: 500;
  line-height: 1.42;
  letter-spacing: .01em;
  color: rgba(35, 53, 74, .86);
}
.contact-profile-detail {
  margin-top: 3px;
  font-size: var(--type-caption);
  font-weight: 400;
  line-height: 1.48;
  letter-spacing: .005em;
  color: rgba(67, 81, 97, .60);
}
/* Trim the blank bands between the email section, profiles, and visual work. */
.contact-intro + .divider { margin-top: 9px; margin-bottom: 9px; }
.contact-section--profiles {
  margin-top: 10px;
  margin-bottom: 14px;
  row-gap: 7px;
}
.contact-section--profiles + .research-visuals {
  margin-top: 0;
  padding-top: 14px;
}
@media (max-width: 640px) {
  .contact-intro { margin-bottom: 16px; }
  .contact-profile-institution { font-size: var(--type-small); }
  .contact-profile-detail { font-size: var(--type-caption); }
  .contact-section--profiles { margin-top: 11px; margin-bottom: 13px; }
}

/* v8 — quiet institutional hierarchy for the two Contact credentials.
   Institution → role/qualification → specific institute/subject.
   The second column is marked by a hairline, not heavier typography. */
.contact-profile {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  width: min(100%, 660px);
  gap: 0;
  align-items: start;
}
.contact-profile-row,
.contact-profile-copy {
  display: block;
  min-width: 0;
}
.contact-profile-row:first-child {
  padding-right: 18px;
}
.contact-profile-row + .contact-profile-row {
  padding-left: 20px;
  border-left: 1px solid rgba(11, 31, 58, 0.11);
}
.contact-profile-key {
  display: block;
  width: auto;
  margin: 0 0 12px;
  padding: 0;
  font-size: var(--type-caption);
  font-weight: 400;
  line-height: 1.35;
  letter-spacing: 0.12em;
  color: rgba(65, 79, 98, 0.56);
}
.contact-profile-institution {
  display: block;
  margin: 0;
  font-size: var(--type-institution);
  font-weight: 500;
  line-height: 1.48;
  letter-spacing: 0.004em;
  color: rgba(27, 45, 66, 0.92);
  overflow-wrap: normal;
}
.contact-profile-primary {
  display: block;
  margin-top: 3px;
  font-size: var(--type-small);
  font-weight: 400;
  line-height: 1.48;
  letter-spacing: 0.01em;
  color: rgba(51, 65, 83, 0.77);
  white-space: normal;
}
.contact-profile-detail {
  display: block;
  margin-top: 5px;
  font-size: var(--type-caption);
  font-weight: 400;
  line-height: 1.52;
  letter-spacing: 0.005em;
  color: rgba(77, 91, 108, 0.62);
  overflow-wrap: break-word;
}
@media (max-width: 640px) {
  .contact-profile {
    grid-template-columns: 1fr;
    width: 100%;
    gap: 17px;
  }
  .contact-profile-row:first-child { padding-right: 0; }
  .contact-profile-row + .contact-profile-row {
    padding: 15px 0 0;
    border-left: 0;
    border-top: 1px solid rgba(11, 31, 58, 0.10);
  }
  .contact-profile-key { margin-bottom: 10px; }
  .contact-profile-institution { font-size: var(--type-small); }
  .contact-profile-primary { font-size: var(--type-small); }
  .contact-profile-detail { font-size: var(--type-caption); }
}