.lf-diagnosis {
    --lf-ink: #44383d;
    --lf-muted: #7c6d72;
    --lf-line: #eadde1;
    --lf-soft: #fff9f7;
    --lf-soft-2: #f8f1f5;
    --lf-accent: #b85f7b;
    --lf-accent-dark: #91445f;
    --lf-copy-accent: #9b6f7d;
    --lf-shadow: 0 16px 42px rgba(103, 70, 82, 0.10);
    max-width: 780px;
    margin: 2rem auto;
    color: var(--lf-ink);
    font-family: inherit;
}

.lf-diagnosis *,
.lf-diagnosis *::before,
.lf-diagnosis *::after {
    box-sizing: border-box;
}

.lf-diagnosis [hidden] {
    display: none !important;
}

.lf-diagnosis__intro,
.lf-card {
    background: rgba(255, 253, 252, 0.97);
    border: 1px solid var(--lf-line);
    border-radius: 24px;
    box-shadow: var(--lf-shadow);
}

.lf-diagnosis__intro {
    padding: clamp(1.5rem, 4vw, 3rem);
    text-align: center;
    background-image:
        radial-gradient(circle at 10% 5%, rgba(219, 163, 181, 0.20), transparent 28%),
        radial-gradient(circle at 92% 95%, rgba(192, 171, 208, 0.18), transparent 30%);
}

.lf-diagnosis__eyebrow,
.lf-result-hero__eyebrow,
.lf-question-card__number {
    margin: 0 0 0.65rem;
    color: var(--lf-accent);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.lf-diagnosis__title {
    margin: 0;
    font-size: clamp(1.55rem, 4vw, 2.35rem);
    line-height: 1.45;
}

.lf-diagnosis__lead {
    max-width: 620px;
    margin: 1.2rem auto 0;
    color: var(--lf-muted);
    line-height: 1.9;
}

.lf-diagnosis__notes {
    display: inline-block;
    margin: 1.4rem auto 1.8rem;
    padding-left: 1.3rem;
    color: var(--lf-muted);
    text-align: left;
    line-height: 1.8;
}

.lf-card {
    padding: clamp(1.25rem, 4vw, 2.5rem);
}

.lf-progress {
    margin-bottom: 2rem;
}

.lf-progress__meta {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.55rem;
    color: var(--lf-muted);
    font-size: 0.82rem;
    font-weight: 600;
}

.lf-progress__track {
    height: 8px;
    overflow: hidden;
    border-radius: 999px;
    background: #f1e7ea;
}

.lf-progress__fill {
    display: block;
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, #d693a8, var(--lf-accent));
    transition: width 0.25s ease;
}

.lf-question-card__title {
    margin: 0 0 1.7rem;
    font-size: clamp(1.25rem, 3.5vw, 1.75rem);
    line-height: 1.65;
}

.lf-answer-list {
    display: grid;
    gap: 0.72rem;
    margin: 0;
    padding: 0;
    border: 0;
}

.lf-answer-option {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    min-height: 58px;
    padding: 0.85rem 1rem;
    border: 1px solid var(--lf-line);
    border-radius: 15px;
    background: #fff;
    cursor: pointer;
    transition: border-color 0.18s ease, background 0.18s ease, transform 0.18s ease;
}

.lf-answer-option:hover {
    border-color: #d4a6b5;
    background: var(--lf-soft);
    transform: translateY(-1px);
}

.lf-answer-option input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.lf-answer-option__marker {
    flex: 0 0 auto;
    width: 20px;
    height: 20px;
    border: 2px solid #d7c6cc;
    border-radius: 50%;
    background: #fff;
    box-shadow: inset 0 0 0 4px #fff;
}

.lf-answer-option input:checked + .lf-answer-option__marker {
    border-color: var(--lf-accent);
    background: var(--lf-accent);
}

.lf-answer-option:has(input:checked) {
    border-color: var(--lf-accent);
    background: #fff7fa;
}

.lf-answer-option input:focus-visible + .lf-answer-option__marker {
    outline: 3px solid rgba(184, 95, 123, 0.25);
    outline-offset: 3px;
}

.lf-answer-option__text {
    line-height: 1.55;
}

.lf-form-error {
    min-height: 1.5em;
    margin: 0.7rem 0 0;
    color: #a33d4f;
    font-size: 0.9rem;
}

.lf-navigation,
.lf-result__actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.85rem;
    margin-top: 1.4rem;
}

.lf-navigation__spacer {
    width: 1px;
}

.lf-button,
.lf-tie-choice {
    appearance: none;
    border: 0;
    font: inherit;
    cursor: pointer;
}

.lf-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0.75rem 1.35rem;
    border-radius: 999px;
    font-weight: 700;
    text-decoration: none;
    transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.lf-button:hover {
    transform: translateY(-1px);
}

.lf-button--primary {
    color: #fff;
    background: linear-gradient(135deg, #c46f8a, var(--lf-accent-dark));
    box-shadow: 0 8px 22px rgba(145, 68, 95, 0.22);
}

.lf-button--secondary {
    color: var(--lf-accent-dark);
    border: 1px solid #d9b5c1;
    background: #fff;
}

.lf-button--text {
    margin-top: 1rem;
    padding: 0.5rem 0;
    color: var(--lf-muted);
    background: transparent;
    text-decoration: underline;
    text-underline-offset: 0.25em;
}

.lf-tie-card__lead {
    margin: -0.5rem 0 1.5rem;
    color: var(--lf-muted);
    line-height: 1.7;
}

.lf-tie-choices {
    display: grid;
    gap: 0.85rem;
}

.lf-tie-choice {
    min-height: 72px;
    padding: 1rem 1.2rem;
    color: var(--lf-ink);
    border: 1px solid var(--lf-line);
    border-radius: 17px;
    background: #fff;
    font-weight: 700;
    line-height: 1.6;
    text-align: left;
}

.lf-tie-choice:hover,
.lf-tie-choice:focus-visible {
    border-color: var(--lf-accent);
    background: #fff7fa;
}

.lf-result {
    display: grid;
    gap: 1.1rem;
}

.lf-result-hero {
    text-align: center;
    background-image:
        radial-gradient(circle at 15% 15%, rgba(219, 163, 181, 0.22), transparent 30%),
        radial-gradient(circle at 85% 85%, rgba(192, 171, 208, 0.20), transparent 32%);
}

.lf-result-hero__name {
    margin: 0;
    color: var(--lf-accent-dark);
    font-size: clamp(2rem, 7vw, 3.35rem);
    line-height: 1.3;
}

.lf-result-hero__frequency {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin: 0.85rem 0 0;
    padding: 0.42rem 0.9rem;
    color: var(--lf-accent-dark);
    border: 1px solid #dfbdc8;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.72);
    font-size: 0.95rem;
    font-weight: 800;
    letter-spacing: 0.04em;
}

.lf-result-hero__catch {
    margin: 0.75rem 0 1.2rem;
    color: var(--lf-accent);
    font-weight: 700;
    font-size: 1.05rem;
}

.lf-result-hero__description,
.lf-result-detail__text,
.lf-result__notice {
    color: var(--lf-muted);
    line-height: 1.9;
}

.lf-axis-result__text {
    color: var(--lf-copy-accent);
    line-height: 1.85;
}

.lf-section-title {
    margin: 0 0 1.5rem;
    font-size: 1.4rem;
}

.lf-axis-result {
    padding: 1.2rem 0;
    border-top: 1px solid var(--lf-line);
}

.lf-axis-result:first-of-type {
    padding-top: 0;
    border-top: 0;
}

.lf-axis-result__heading,
.lf-axis-result__labels {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
}

.lf-axis-result__name {
    margin: 0;
    font-size: 1.05rem;
}

.lf-axis-result__range {
    margin: 0.25rem 0 0;
    color: var(--lf-accent);
    font-size: 0.88rem;
    font-weight: 700;
}

.lf-axis-result__score {
    color: var(--lf-accent-dark);
    font-size: 1.75rem;
    line-height: 1;
}

.lf-axis-result__labels {
    margin-top: 1rem;
    color: var(--lf-muted);
    font-size: 0.78rem;
}

.lf-axis-result__meter {
    position: relative;
    height: 9px;
    margin-top: 0.45rem;
    border-radius: 999px;
    background: linear-gradient(90deg, #d9cbd0 0%, #f3e9ec 50%, #d9a0b2 100%);
}

.lf-axis-result__marker {
    position: absolute;
    top: 50%;
    width: 20px;
    height: 20px;
    border: 4px solid #fff;
    border-radius: 50%;
    background: var(--lf-accent);
    box-shadow: 0 2px 8px rgba(91, 54, 66, 0.24);
    transform: translate(-50%, -50%);
}

.lf-axis-result__text {
    margin: 0.9rem 0 0;
    padding: 0.8rem 0.95rem;
    border-left: 3px solid #d9a9b8;
    border-radius: 0 10px 10px 0;
    background: #fff8fa;
}

.lf-result-detail {
    display: grid;
    gap: 1.2rem;
}

.lf-result-detail__item {
    padding-bottom: 1.2rem;
    border-bottom: 1px solid var(--lf-line);
}

.lf-result-detail__item:last-child {
    padding-bottom: 0;
    border-bottom: 0;
}

.lf-result-detail__title {
    margin: 0 0 0.45rem;
    font-size: 1.05rem;
}

.lf-result-detail__text {
    margin: 0.8rem 0 0;
}

.lf-result-detail__title + .lf-result-detail__text {
    margin-top: 0.5rem;
}

.lf-result__notice {
    margin: 0;
}

.lf-result__notice {
    padding: 0.95rem 1.1rem;
    border-radius: 14px;
    background: var(--lf-soft-2);
    color: #8d6673;
    font-size: 0.86rem;
    line-height: 1.8;
}

.lf-result__actions {
    justify-content: center;
}

.lf-diagnosis__error {
    padding: 1rem;
    color: #8a2739;
    border: 1px solid #e6b8c1;
    border-radius: 12px;
    background: #fff4f6;
}

.lf-diagnosis .screen-reader-text {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}



.lf-share-card-section {
    text-align: center;
}

.lf-share-card-section__lead {
    margin: -0.65rem auto 1.4rem;
    color: var(--lf-copy-accent);
    line-height: 1.8;
}

.lf-share-card-frame {
    width: min(100%, 610px);
    margin: 0 auto;
    padding: clamp(0.55rem, 2vw, 0.85rem);
    border: 1px solid var(--lf-line);
    border-radius: 22px;
    background:
        radial-gradient(circle at 10% 8%, rgba(219, 163, 181, 0.13), transparent 30%),
        #fff;
    box-shadow: 0 12px 34px rgba(103, 70, 82, 0.08);
}

.lf-share-card-canvas {
    display: block;
    width: 100%;
    height: auto;
    aspect-ratio: 4 / 5;
    border-radius: 16px;
    background: #fffaf7;
}

.lf-share-card-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.85rem;
    margin-top: 1.25rem;
}

.lf-share-card-actions .lf-button {
    min-width: 180px;
}

.lf-share-card-status {
    min-height: 1.5em;
    margin: 0.8rem 0 0;
    color: var(--lf-copy-accent);
    font-size: 0.9rem;
    line-height: 1.6;
}

.lf-button:disabled {
    cursor: wait;
    opacity: 0.68;
    transform: none;
}

@media (max-width: 600px) {
    .lf-diagnosis {
        margin: 1rem auto;
    }

    .lf-diagnosis__intro,
    .lf-card {
        border-radius: 18px;
    }

    .lf-navigation {
        align-items: stretch;
    }

    .lf-navigation .lf-button {
        flex: 1 1 0;
        padding-inline: 0.85rem;
    }

    .lf-answer-option {
        min-height: 54px;
    }

    .lf-share-card-frame {
        padding: 0.4rem;
        border-radius: 16px;
    }

    .lf-share-card-canvas {
        border-radius: 12px;
    }

    .lf-share-card-actions {
        align-items: stretch;
        flex-direction: column;
    }

    .lf-share-card-actions .lf-button {
        width: 100%;
    }
}

/* v0.4: ふたりの共鳴測定 */
.lf-pair-invite-card {
    text-align: center;
    background:
        radial-gradient(circle at 12% 12%, rgba(219, 163, 181, 0.14), transparent 34%),
        radial-gradient(circle at 88% 92%, rgba(185, 166, 204, 0.14), transparent 34%),
        #fffdfc;
}

.lf-pair-invite-card__lead {
    max-width: 640px;
    margin: -0.6rem auto 0;
    line-height: 1.9;
}

.lf-pair-invite-card__note {
    max-width: 640px;
    margin: 0.9rem auto 1.2rem;
    color: var(--lf-copy-accent);
    font-size: 0.88rem;
    line-height: 1.75;
}

.lf-pair-invite-card__result {
    max-width: 700px;
    margin: 1.2rem auto 0;
    padding: 1rem;
    border: 1px solid var(--lf-line);
    border-radius: 16px;
    background: rgba(255, 250, 252, 0.86);
    text-align: left;
}

.lf-pair-invite-card__label {
    display: grid;
    gap: 0.55rem;
    color: var(--lf-accent-dark);
    font-size: 0.88rem;
    font-weight: 700;
}

.lf-pair-invite-card__input {
    width: 100%;
    min-height: 48px;
    padding: 0.75rem 0.9rem;
    border: 1px solid #dfc8d0;
    border-radius: 11px;
    background: #fff;
    color: #55474c;
    font: inherit;
    font-weight: 400;
}

.lf-pair-invite-card__controls {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.7rem;
    margin-top: 0.8rem;
}

.lf-pair__landing,
.lf-pair-invite-intro,
.lf-pair-error,
.lf-pair-saving {
    text-align: center;
}

.lf-pair-invite-intro .lf-diagnosis__notes,
.lf-pair__landing .lf-diagnosis__notes {
    text-align: left;
}

.lf-pair-result {
    display: grid;
    gap: 1.25rem;
}

.lf-pair-result-hero {
    overflow: hidden;
    position: relative;
    text-align: center;
    background:
        radial-gradient(circle at 18% 8%, rgba(222, 158, 180, 0.18), transparent 35%),
        radial-gradient(circle at 82% 94%, rgba(183, 164, 205, 0.2), transparent 37%),
        #fffaf8;
}

.lf-pair-result-hero::after {
    position: absolute;
    right: -35px;
    top: 42px;
    width: 170px;
    height: 72px;
    border-top: 2px solid rgba(180, 111, 134, 0.18);
    border-bottom: 2px solid rgba(180, 111, 134, 0.13);
    border-radius: 50%;
    content: "";
    transform: rotate(-10deg);
}

.lf-pair-result-hero__score {
    position: relative;
    z-index: 1;
    margin: 0.15rem 0 0;
    color: var(--lf-accent-dark);
    font-family: "Hiragino Mincho ProN", "Yu Mincho", serif;
    font-size: clamp(2.35rem, 7vw, 4.2rem);
    line-height: 1.15;
    letter-spacing: 0.015em;
}

.lf-pair-result-hero__label {
    position: relative;
    z-index: 1;
    margin: 0.8rem 0 0;
    color: var(--lf-copy-accent);
    font-size: clamp(1.1rem, 3vw, 1.45rem);
    font-weight: 700;
    line-height: 1.6;
}

.lf-pair-people {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
    gap: 1rem;
    align-items: center;
}

.lf-pair-person {
    min-width: 0;
    padding: 1rem;
    border: 1px solid var(--lf-line);
    border-radius: 18px;
    text-align: center;
}

.lf-pair-person--a {
    background: #fff5f8;
}

.lf-pair-person--b {
    background: #f8f5fc;
}

.lf-pair-person__label {
    margin: 0;
    color: var(--lf-muted);
    font-size: 0.8rem;
    font-weight: 700;
}

.lf-pair-person__type {
    margin: 0.35rem 0 0;
    color: var(--lf-accent-dark);
    font-family: "Hiragino Mincho ProN", "Yu Mincho", serif;
    font-size: clamp(1.05rem, 3vw, 1.35rem);
    line-height: 1.45;
}

.lf-pair-person__frequency {
    margin: 0.35rem 0 0;
    color: var(--lf-accent);
    font-size: 1.05rem;
    font-weight: 800;
}

.lf-pair-person__catch {
    margin: 0.55rem 0 0;
    color: var(--lf-copy-accent);
    font-size: 0.84rem;
    line-height: 1.65;
}

.lf-pair-people__symbol {
    color: #b58b98;
    font-size: 1.5rem;
    font-weight: 700;
}

.lf-pair-axes {
    display: grid;
    gap: 1rem;
}

.lf-pair-axis {
    padding: 1rem 0;
    border-bottom: 1px solid var(--lf-line);
}

.lf-pair-axis:last-child {
    padding-bottom: 0;
    border-bottom: 0;
}

.lf-pair-axis__heading {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 1rem;
}

.lf-pair-axis__resonance {
    color: var(--lf-copy-accent);
    font-size: 0.82rem;
    font-weight: 700;
    white-space: nowrap;
}

.lf-pair-axis__meter {
    position: relative;
    height: 12px;
    margin-top: 0.55rem;
    border-radius: 999px;
    background: linear-gradient(90deg, #ded4d8 0%, #f3e9ec 50%, #d8a3b4 100%);
}

.lf-pair-axis__marker {
    position: absolute;
    top: 50%;
    width: 21px;
    height: 21px;
    border: 4px solid #fff;
    border-radius: 50%;
    box-shadow: 0 3px 9px rgba(91, 54, 66, 0.2);
    transform: translate(-50%, -50%);
}

.lf-pair-axis__marker--a {
    z-index: 2;
    background: #b76f87;
}

.lf-pair-axis__marker--b {
    z-index: 1;
    background: #9b82b7;
}

.lf-pair-axis__values {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 0.7rem;
    margin-top: 0.7rem;
    font-size: 0.82rem;
    font-weight: 700;
}

.lf-pair-axis__value--a {
    color: #9d566e;
}

.lf-pair-axis__value--b {
    color: #80659f;
}

.lf-pair-insight {
    border-width: 1px;
    border-style: solid;
}

.lf-pair-insight--natural {
    border-color: #ead1d9;
    background: #fff9fa;
}

.lf-pair-insight--difference {
    border-color: #ddd2e8;
    background: #fbf9fe;
}

.lf-pair-insight--caution {
    border-color: #e1d7d9;
    background: #fdfafa;
}

.lf-pair-insight__category {
    margin: 0 0 0.35rem;
    color: var(--lf-accent);
    font-size: 0.82rem;
    font-weight: 800;
    letter-spacing: 0.04em;
}

.lf-pair-insight__title {
    margin: 0;
    color: var(--lf-accent-dark);
    font-size: clamp(1.12rem, 3vw, 1.35rem);
    line-height: 1.55;
}

.lf-pair-insight__text {
    margin: 0.85rem 0 0;
    line-height: 1.95;
}

.lf-pair-insight__hint {
    margin-top: 1rem;
    padding: 0.9rem 1rem;
    border-left: 3px solid #cfa0af;
    border-radius: 0 12px 12px 0;
    background: rgba(255, 255, 255, 0.72);
    color: var(--lf-copy-accent);
}

.lf-pair-insight__hint h4 {
    margin: 0 0 0.35rem;
    color: var(--lf-accent-dark);
    font-size: 0.92rem;
}

.lf-pair-insight__hint p {
    margin: 0;
    line-height: 1.85;
}

.lf-pair-total-hint__text {
    margin: 0.7rem 0 0;
    line-height: 1.95;
}

.lf-pair-total-hint__closing {
    margin: 1rem 0 0;
    padding: 0.85rem 1rem;
    border-radius: 12px;
    background: var(--lf-soft-2);
    color: var(--lf-copy-accent);
    font-weight: 700;
    line-height: 1.8;
}

.lf-pair-sharing {
    text-align: center;
}

.lf-pair-sharing__lead {
    max-width: 650px;
    margin: -0.6rem auto 0;
    color: var(--lf-copy-accent);
    line-height: 1.8;
}

@media (max-width: 700px) {
    .lf-pair-people {
        grid-template-columns: 1fr;
    }

    .lf-pair-people__symbol {
        line-height: 1;
        transform: rotate(90deg);
    }

    .lf-pair-axis__heading {
        align-items: flex-start;
        flex-direction: column;
        gap: 0.25rem;
    }

    .lf-pair-axis__resonance {
        white-space: normal;
    }

    .lf-pair-invite-card__controls {
        align-items: stretch;
        flex-direction: column;
    }

    .lf-pair-invite-card__controls .lf-button {
        width: 100%;
        text-align: center;
    }
}

/* 招待・結果リンクの取り扱いに関する注意 */
.lf-pair-invite-card__warning {
    margin: 14px 0 0;
    padding: 12px 14px;
    border: 1px solid #ead9df;
    border-radius: 12px;
    background: #fffaf7;
    color: #8f6573;
    font-size: 0.9rem;
    line-height: 1.75;
}