/* Build Relay series archive v3.0
   Scope every rule below .build-relay to avoid affecting other archives. */

.build-relay {
    padding: 50px 0 60px;
    color: #111;
}

.build-relay__inner {
    width: min(1200px, calc(100% - 40px));
    max-width: 1200px;
    margin: 0 auto;
}

.build-relay__visual {
    overflow: hidden;
    margin: 0 auto 56px;
    max-width: 1000px;
}

.build-relay__visual img {
    display: block;
    width: 100%;
    height: auto;
}

.build-relay__intro {
    max-width: 940px;
    margin: 0 auto 70px;
    text-align: center;
}

.build-relay__title {
    margin: 0;
    font-family: "Rubik", "Noto Sans JP", sans-serif;
    font-size: clamp(24px, 2.35vw, 34px);
    font-weight: 700;
    line-height: 1.45;
    letter-spacing: .02em;
}

.build-relay__title span {
    margin-left: .35em;
    font-size: .84em;
}

.build-relay__subtitle {
    margin: 22px 0 0;
    font-size: clamp(17px, 1.55vw, 22px);
    font-weight: 700;
    line-height: 1.6;
}

.build-relay__description {
    margin: 22px 0 0;
    font-size: 16px;
    font-weight: 500;
    line-height: 2;
}

.build-relay-message,
.build-relay-message *,
.build-relay-message-modal,
.build-relay-message-modal * {
    box-sizing: border-box;
}

.build-relay-message {
    display: grid;
    grid-template-columns: 136px minmax(0, 1fr);
    column-gap: 30px;
    row-gap: 16px;
    align-items: center;
    max-width: 820px;
    margin: 0 auto 70px;
    padding: 28px 34px;
    /* border: 3px solid #d8e9e8; */
    border-radius: 22px;
    /* background: #f6fbfb; */
    background: #dceeed;
}

.build-relay-message__portrait,
.build-relay-message-modal__portrait {
    overflow: hidden;
    margin: 0;
    border: 5px solid #6db7b6;
    border-radius: 50%;
    background: #fff;
}

.build-relay-message__portrait {
    width: 136px;
    height: 136px;
}

.build-relay-message__portrait img,
.build-relay-message-modal__portrait img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.build-relay-message__portrait.is-placeholder,
.build-relay-message-modal__portrait.is-placeholder {
    display: grid;
    place-items: center;
    color: #74c0be;
    font-family: "Rubik", sans-serif;
    font-size: 42px;
    font-weight: 700;
}

.build-relay-message__eyebrow,
.build-relay-message-modal__eyebrow {
    margin: 0 0 5px;
    color: #139ecb;
    font-family: "Rubik", sans-serif;
    font-size: 14px;
    font-weight: 700;
    line-height: 1.3;
    letter-spacing: .12em;
}

.build-relay-message__body h2 {
    margin: 0;
    font-size: 22px;
    font-weight: 700;
    line-height: 1.5;
}

.build-relay-message__summary {
    margin: 9px 0 0;
    color: #4d4d4d;
    font-size: 14px;
    font-weight: 500;
    line-height: 1.8;
}

.build-relay-message__open {
    grid-column: 1 / -1;
    justify-self: center;
    display: inline-flex;
    min-width: 180px;
    min-height: 42px;
    align-items: center;
    justify-content: center;
    margin: -8px auto 0;
    padding: 8px 24px;
    border: 0;
    border-radius: 999px;
    color: #fff;
    background: #111;
    font: inherit;
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
    transition: opacity .25s ease;
}

.build-relay-message__open:hover {
    opacity: .65;
}

.build-relay-message-modal {
    width: min(760px, calc(100% - 40px));
    max-width: 760px;
    max-height: min(86vh, 900px);
    margin: auto;
    padding: 0;
    overflow: auto;
    border: 0;
    border-radius: 24px;
    color: #111;
    background: #fff;
    box-shadow: 0 18px 60px rgba(0, 0, 0, .2);
}

.build-relay-message-modal::backdrop {
    background: rgba(0, 0, 0, .55);
}

.build-relay-message-modal:not([open]) {
    display: none;
}

.build-relay-message-modal__panel {
    position: relative;
    padding: 42px 48px 46px;
}

.build-relay-message-modal__close-wrap {
    position: sticky;
    z-index: 2;
    top: 0;
    height: 0;
    text-align: right;
}

.build-relay-message-modal__close {
    width: 42px;
    height: 42px;
    padding: 0;
    border: 0;
    border-radius: 50%;
    color: #fff;
    background: #111;
    font-family: Arial, sans-serif;
    font-size: 27px;
    line-height: 42px;
    cursor: pointer;
}

.build-relay-message-modal__header {
    display: grid;
    grid-template-columns: 104px minmax(0, 1fr);
    gap: 24px;
    align-items: center;
    padding-right: 46px;
}

.build-relay-message-modal__portrait {
    width: 104px;
    height: 104px;
    border-width: 5px;
}

.build-relay-message-modal__header h2 {
    margin: 0;
    font-size: clamp(24px, 3vw, 32px);
    font-weight: 700;
    line-height: 1.45;
}

.build-relay-message-modal__content {
    margin-top: 34px;
}

.build-relay-message-modal__content p {
    margin: 0;
    font-size: 16px;
    font-weight: 500;
    line-height: 2;
}

.build-relay-message-modal__content p + p {
    margin-top: 1.3em;
}

.build-relay-message-modal__signature {
    margin-top: 34px;
    text-align: right;
}

.build-relay-message-modal__signature p {
    margin: 0;
    font-size: 14px;
    font-weight: 600;
    line-height: 1.8;
}

html.is-build-relay-modal-open {
    overflow: hidden;
}

.build-relay__posts {
    --relay-column-gap: 70px;
    --relay-row-gap: 15px;
    --relay-picture-size: 204px;
    --relay-line-length: calc((960px + var(--relay-column-gap)) / 2 + 17px);
    --relay-line-angle: 14.4deg;
    position: relative;
    display: flex;
    width: 100%;
    max-width: 960px;
    flex-direction: column;
    gap: var(--relay-row-gap);
    margin-right: auto;
    margin-left: auto;
    isolation: isolate;
}

/* PCは次のカードの上端を、直前の円写真の高さ50%＋30pxの位置に重ねる。 */
@media (min-width: 1024px) {
    .build-relay__posts {
        gap: 0;
    }

    .build-relay__posts > * + * {
        margin-top: calc((var(--relay-picture-size) / -2) + 30px);
    }
}

.build-relay-card {
    position: relative;
    z-index: 0;
    width: calc(50% - var(--relay-column-gap) / 2);
    min-height: var(--relay-picture-size);
    min-width: 0;
}

.build-relay-card:nth-of-type(odd) {
    align-self: flex-end;
    margin-left: 0;
}

.build-relay-card:nth-of-type(even) {
    align-self: flex-start;
    margin-left: 0;
}

.build-relay-end {
    position: relative;
    z-index: 0;
    width: calc(50% - var(--relay-column-gap) / 2);
    min-height: var(--relay-picture-size);
    min-width: 0;
}

.build-relay-end--next {
    align-self: flex-start;
}

.build-relay-end--originator-left {
    align-self: flex-start;
    margin-left: 0;
}

.build-relay-end--originator-right {
    align-self: flex-end;
    margin-left: 0;
}

.build-relay-end__picture {
    box-sizing: border-box;
    position: relative;
    z-index: 1;
    display: flex;
    width: var(--relay-picture-size);
    height: var(--relay-picture-size);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border: 5px solid #6db7b6;
    border-radius: 50%;
    color: #6db7b6;
    background: #fff;
    font-family: "Rubik", sans-serif;
    font-weight: 700;
    text-align: center;
}

.build-relay-end__label {
    font-size: 30px;
    line-height: 1.1;
    letter-spacing: .04em;
    opacity: .9;
}

.build-relay-end__question {
    margin-top: 5px;
    font-size: 44px;
    line-height: .8;
    opacity: .9;
}

.build-relay-originator__button {
    box-sizing: border-box;
    overflow: hidden;
    padding: 0;
    appearance: none;
    cursor: pointer;
}

.build-relay-originator__button img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .35s ease;
}

.build-relay-originator__button:hover img {
    transform: scale(1.04);
}

.build-relay-originator__button.is-placeholder {
    font-size: 52px;
}

.build-relay-originator__button:focus-visible {
    outline: 3px solid #111;
    outline-offset: 5px;
}

.build-relay-originator__row {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: var(--relay-picture-size) minmax(0, 1fr);
    gap: 22px;
}

/* 各写真の中心から、次段の写真中心へつながるリレーライン。 */
.build-relay-end--next::after,
.build-relay-card:not(:last-child)::after {
    position: absolute;
    z-index: -1;
    top: calc(var(--relay-picture-size) / 2);
    left: calc(var(--relay-picture-size) / 2);
    width: var(--relay-line-length);
    height: 8px;
    background: radial-gradient(
        circle,
        rgba(144, 205, 203, .5) 0 3px,
        transparent 3.5px
    ) left center / 14px 8px repeat-x;
    content: "";
    pointer-events: none;
    transform-origin: left center;
}

.build-relay-end--next::after,
.build-relay-card:nth-of-type(even):not(:last-child)::after {
    transform: translateY(-50%) rotate(var(--relay-line-angle));
}

.build-relay-card:nth-of-type(odd):not(:last-child)::after {
    transform: translateY(-50%) rotate(calc(180deg - var(--relay-line-angle)));
}

/* 写真サイズは維持し、写真＋本文の実表示幅だけをカード内で中央に置く。 */
@media (min-width: 1024px) {
    .build-relay-card,
    .build-relay-end {
        --relay-content-width: min(510px, 100%);
        --relay-picture-offset: calc((100% - var(--relay-content-width)) / 2);
    }

    .build-relay-card__link,
    .build-relay-originator__row {
        width: var(--relay-content-width);
        margin-right: auto;
        margin-left: auto;
    }

    .build-relay-end--next .build-relay-end__picture {
        margin-left: var(--relay-picture-offset);
    }

    .build-relay-end--next::after,
    .build-relay-card:not(:last-child)::after {
        left: calc(var(--relay-picture-offset) + var(--relay-picture-size) / 2);
    }
}

.build-relay-card__link {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: var(--relay-picture-size) minmax(0, 1fr);
    gap: 22px;
    color: inherit;
    text-decoration: none;
}

.build-relay-card__picture {
    box-sizing: border-box;
    overflow: hidden;
    align-self: start;
    width: var(--relay-picture-size);
    height: var(--relay-picture-size);
    border: 5px solid #6db7b6;
    border-radius: 50%;
}

.build-relay-card__picture img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .35s ease;
}

.build-relay-card__link:hover .build-relay-card__picture img {
    transform: scale(1.04);
}

.build-relay-card__link--preview {
    cursor: default;
}

.build-relay-card__link--preview:hover .build-relay-card__picture img {
    transform: none;
}

.build-relay-card__body {
    display: flex;
    min-width: 0;
    flex-direction: column;
    justify-content: center;
}

.build-relay-card__title {
    display: block;
    overflow: hidden;
    margin: -4px 0 6px;
    font-size: 19px;
    font-weight: 700;
    line-height: 1.5;
}

.build-relay-card__title-en,
.build-relay-card__title-ja {
    display: block;
}

.build-relay-card__title-en {
    font-family: "Rubik", sans-serif;
}

.build-relay-card__title-ja {
    font-family: "Noto Sans JP", sans-serif;
}

.build-relay-card__profile {
    display: flex;
    gap: .65em;
    margin: 0 0 10px;
    padding-bottom: 8px;
    width: fit-content;
    border-bottom: 1px dashed #000;
    font-size: 14px;
    font-weight: 600;
    line-height: 1.45;
    flex-wrap: wrap;
}

.build-relay-card__profile-item {
    overflow: hidden;
    margin: 0;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.build-relay-card__labels {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}

.build-relay-card__label {
    display: inline-flex;
    height: 23px;
    align-items: center;
    padding: 0 6px;
    color: #fff;
    font-size: 0.75rem;
    font-weight: 700;
    line-height: 23px;
}

.build-relay-card__label--new {
    background: #e95151;
}

.build-relay-card__label--series {
    color: #111;
    background: #fff43f;
}

.build-relay-card__label--term {
    background: #df6eab;
}

.build-relay-card__label--term.label-machizukuri,
.build-relay-card__label--term.label-town-planning {
    background: #eb5a9e;
}

.build-relay-card__date {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-top: 10px;
    color: #777;
    font-size: 0.875rem;
    font-weight: 500;
    line-height: 1;
}

.build-relay-card__date svg {
    width: 16px;
    height: 16px;
    fill: currentColor;
}

.build-relay-card__date span {
    padding-bottom: 1px;
}

.build-relay__empty {
    grid-column: 1 / -1;
    margin: 0;
    padding: 60px 20px;
    text-align: center;
}

.build-relay__pagination {
    margin-top: 75px;
}

@media (max-width: 1023px) {
    .build-relay__posts {
        --relay-column-gap: 36px;
        --relay-row-gap: 20px;
        --relay-picture-size: 160px;
        --relay-line-length: calc((100vw - 40px + var(--relay-column-gap)) / 2 + 33px);
        --relay-line-angle: 20.7deg;
    }

    .build-relay-card__link,
    .build-relay-originator__row {
        gap: 16px;
    }

    .build-relay-end__label {
        font-size: 24px;
    }

    .build-relay-end__question {
        font-size: 40px;
    }
}

/* 狭い幅でも小さな左右差を残し、写真中心同士をつなぐ。 */
@media (max-width: 900px) {
    .build-relay__posts {
        --relay-picture-size: 150px;
        --relay-row-gap: 21px;
        --relay-mobile-offset: 28px;
        --relay-mobile-line-length: 173px;
        --relay-mobile-line-angle: 80.7deg;
    }

    .build-relay-card,
    .build-relay-end {
        width: calc(100% - var(--relay-mobile-offset));
        margin-left: 0;
    }

    .build-relay-card:nth-of-type(odd),
    .build-relay-end--originator-right {
        align-self: flex-end;
    }

    .build-relay-card:nth-of-type(even),
    .build-relay-end--next,
    .build-relay-end--originator-left {
        align-self: flex-start;
        margin-left: -12px;
    }

    .build-relay-end--next::after,
    .build-relay-card:not(:last-child)::after,
    .build-relay-card:nth-of-type(odd):not(:last-child)::after,
    .build-relay-card:nth-of-type(even):not(:last-child)::after {
        width: var(--relay-mobile-line-length);
    }

    .build-relay-end--next::after,
    .build-relay-card:nth-of-type(even):not(:last-child)::after {
        transform: translateY(-50%) rotate(var(--relay-mobile-line-angle));
    }

    .build-relay-card:nth-of-type(odd):not(:last-child)::after {
        transform: translateY(-50%) rotate(calc(180deg - var(--relay-mobile-line-angle)));
    }

    .build-relay-card__link,
    .build-relay-originator__row {
        grid-template-columns: var(--relay-picture-size) minmax(0, 1fr);
    }
}

@media (max-width: 767px) {
    .build-relay {
        padding: 0 0 40px;
    }

    .build-relay__inner {
        width: min(100% - 30px, 1200px);
    }

    .build-relay__visual {
        margin-bottom: 38px;
        overflow: visible;
        width: 100vw;
        margin-left: calc(50% - 50vw);
    }

    .build-relay__intro {
        margin-bottom: 28px;
    }

    .build-relay-message {
        grid-template-columns: 96px minmax(0, 1fr);
        gap: 18px;
        margin-bottom: 36px;
        padding: 22px 20px;
        border-radius: 18px;
    }

    .build-relay-message__portrait,
    .build-relay-message-modal__portrait {
        width: 96px;
        height: 96px;
        border-width: 4px;
    }

    .build-relay-message__body h2 {
        font-size: 17px;
    }

    .build-relay-message__summary {
        font-size: 12px;
        line-height: 1.7;
    }

    .build-relay-message__eyebrow,
    .build-relay-message-modal__eyebrow {
        font-size: 12px;
    }

    .build-relay-message__open {
        min-width: 150px;
        min-height: 38px;
        margin: 0 auto;
        padding: 7px 18px;
        font-size: 12px;
    }

    .build-relay-message-modal {
        width: calc(100% - 30px);
        max-height: 88vh;
        border-radius: 18px;
    }

    .build-relay-message-modal__panel {
        padding: 30px 22px 34px;
    }

    .build-relay-message-modal__header {
        /* grid-template-columns: 96px minmax(0, 1fr); */
        gap: 16px;
        padding-right: 34px;
    }

    .build-relay-message-modal__close {
        width: 36px;
        height: 36px;
        font-size: 23px;
        line-height: 36px;
    }

    .build-relay-message-modal__content {
        margin-top: 26px;
    }

    .build-relay-message-modal__content p {
        font-size: 14px;
        line-height: 1.66;
    }
    .build-relay-message-modal__content p br {
        display: none;
    }

    .build-relay__title span {
        display: block;
        margin: 2px 0 0;
    }

    .build-relay__subtitle {
        margin-top: 16px;
    }

    .build-relay__description {
        margin-top: 16px;
        font-size: 13px;
        line-height: 1.85;
    }

    .build-relay__description br {
        display: none;
    }

    .build-relay__posts {
        --relay-picture-size: 130px;
        --relay-row-gap: 18px;
        --relay-mobile-offset: 22px;
        --relay-mobile-line-length: 150px;
        --relay-mobile-line-angle: 81.5deg;
    }

    .build-relay-end--next::after,
    .build-relay-card:not(:last-child)::after {
        background: radial-gradient(
            circle,
            rgba(144, 205, 203, .5) 0 2.5px,
            transparent 3px
        ) left center / 10px 8px repeat-x;
    }

    .build-relay-card__title {
        font-size: 0.9375rem;
        line-height: 1.45;
    }

    .build-relay-card__label {
        height: 18px;
        padding: 0 4px;
        font-size: 0.6875rem;
        line-height: 18px;
    }

    .build-relay-card__profile {
        font-size: 0.75rem;
    }

    .build-relay-card__picture,
    .build-relay-end__picture {
        border-width: 4px;
    }

    .build-relay-card__date {
        margin-top: 4px;
        font-size: 0.8125rem;
    }

    .build-relay-card__date svg {
        width: 14px;
        height: 14px;
    }

    .build-relay-end__label {
        font-size: 18px;
    }

    .build-relay-end__question {
        margin-top: 3px;
        font-size: 32px;
    }

    .build-relay__pagination {
        margin-top: 55px;
    }
}

@media (max-width: 479px) {
    .build-relay-message {
        grid-template-columns: 1fr;
        justify-items: center;
        text-align: center;
    }

    .build-relay-message-modal__header {
        grid-template-columns: 1fr;
        justify-items: center;
        padding-right: 0;
        text-align: center;
    }

    .build-relay__posts {
        --relay-picture-size: 112px;
        --relay-row-gap: 20px;
        --relay-mobile-offset: 20px;
        --relay-mobile-line-length: 128px;
         --relay-mobile-line-angle: 76.5deg;
    }

    .build-relay-card__link,
    .build-relay-originator__row {
        grid-template-columns: var(--relay-picture-size) minmax(0, 1fr);
        gap: 12px;
    }

    .build-relay-card__title {
        margin-top: 0;
        margin-bottom: 2px;
    }

    .build-relay-card__profile-item {
        white-space: normal;
    }

    .build-relay-end__label {
        font-size: 17px;
    }

    .build-relay-end__question {
        font-size: 28px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .build-relay-card__picture img {
        transition: none;
    }
}