/* ========================================
   ZENDIA — Type 2 Diabetes Medical Program LP
   Diabetes-specific styles (loaded after css/style.css)
   ======================================== */

/* ===== Shared section scaffolding ===== */
.dia-section {
    padding: 4.5rem 0;
}

.dia-section-alt {
    background: #F8F9FB;
}

.dia-eyebrow {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.2rem;
    letter-spacing: 0.32em;
    text-transform: uppercase;
    color: var(--color-gold);
    text-align: center;
    margin-bottom: 1.1rem;
}

.dia-heading {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: clamp(1.5rem, 3.2vw, 2.35rem);
    line-height: 1.5;
    letter-spacing: 0.03em;
    color: var(--color-navy);
    text-align: center;
    max-width: 780px;
    margin: 0 auto 1rem;
}

.dia-sub {
    font-size: 0.98rem;
    line-height: 2;
    letter-spacing: 0.03em;
    color: var(--color-text-secondary);
    text-align: center;
    max-width: 700px;
    margin: 0 auto 2.25rem;
}

.dia-note {
    font-size: 0.8rem;
    color: #8A8F98;
    letter-spacing: 0.02em;
    line-height: 1.8;
    text-align: center;
    max-width: 640px;
    margin: 1.5rem auto 0;
}

/* Forced line-break used only in "糖尿病は、血糖値だけの病気ではありません。"
   (section 02 heading). Below 600px the font is fixed at its 1.5rem floor,
   so keeping the break here would leave 2-3 trailing characters orphaned on
   a third line; hiding it lets the whole line reflow naturally instead. */
@media (max-width: 600px) {
    .dia-glucose-br {
        display: none;
    }
}

/* Some long .dia-heading strings wrap to a 1-2 character orphan line on
   narrow phones even with their desktop line break in place. A few
   headings add a second, mobile-only break (.dia-mobile-br) at a cleaner
   point to avoid this; it has no effect at tablet/desktop widths. */
.dia-mobile-br {
    display: none;
}

@media (max-width: 600px) {
    .dia-mobile-br {
        display: block;
    }
}

/* ===== 01 — Hero ===== */
.dia-hero {
    position: relative;
    min-height: 82vh;
    display: flex;
    align-items: flex-end;
    overflow: hidden;
    background: linear-gradient(155deg, #071B33 0%, #0E2A4A 55%, #16385E 100%);
}

.dia-hero-media {
    position: absolute;
    inset: 0;
    background-image: url('../img/diabetes/diabates_hero.webp'), linear-gradient(155deg, #071B33 0%, #0E2A4A 55%, #16385E 100%);
    background-size: cover, cover;
    background-position: center, center;
    background-repeat: no-repeat, no-repeat;
}

.dia-hero-media::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(7, 22, 41, 0.5) 0%, rgba(7, 20, 38, 0.72) 55%, rgba(6, 16, 32, 0.9) 100%);
}

.dia-hero-content {
    position: relative;
    z-index: 2;
    width: 100%;
    padding: 6.5rem 2rem 4.5rem;
    text-align: center;
    color: #FFFFFF;
}

.dia-hero-kicker {
    font-family: var(--font-display);
    font-size: 0.85rem;
    letter-spacing: 0.36em;
    text-transform: uppercase;
    color: #E8D9A8;
    margin-bottom: 1.5rem;
}

.dia-hero h1 {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: clamp(1.9rem, 4.6vw, 3.1rem);
    line-height: 1.55;
    letter-spacing: 0.02em;
    color: #FFFFFF;
    max-width: 780px;
    margin: 0 auto 1.75rem;
}

.dia-hero-sub {
    font-size: clamp(0.92rem, 1.4vw, 1.02rem);
    line-height: 2.05;
    letter-spacing: 0.03em;
    color: rgba(255, 255, 255, 0.82);
    max-width: 640px;
    margin: 0 auto 2.25rem;
}

.dia-hero-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.6rem;
    margin: 0 auto 2.75rem;
    max-width: 640px;
}

.dia-hero-tag {
    font-size: 0.78rem;
    letter-spacing: 0.06em;
    color: #EDE4C8;
    border: 1px solid rgba(212, 175, 55, 0.45);
    border-radius: 999px;
    padding: 0.5rem 1.1rem;
    background: rgba(212, 175, 55, 0.06);
    white-space: nowrap;
}

.dia-hero-cta {
    display: inline-block;
    padding: 1rem 2.75rem;
    font-size: 0.95rem;
    letter-spacing: 0.1em;
}

/* ===== Radial diagram component (used in 02 / 04) ===== */
.dia-radial-wrap {
    display: flex;
    justify-content: center;
    margin: 0 auto;
}

.dia-radial {
    position: relative;
    width: 100%;
    max-width: 480px;
    aspect-ratio: 1 / 1;
    margin: 0 auto;
}

.dia-radial-lines {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.dia-radial-lines line {
    stroke: rgba(212, 175, 55, 0.4);
    stroke-width: 0.6;
}

.dia-radial-center {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 132px;
    height: 132px;
    border-radius: 50%;
    background: var(--color-navy);
    color: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.98rem;
    letter-spacing: 0.04em;
    line-height: 1.5;
    padding: 0.5rem;
    box-shadow: 0 8px 28px rgba(0, 35, 61, 0.28);
    z-index: 2;
}

.dia-radial-nodes {
    display: contents;
}

.dia-radial-node {
    position: absolute;
    transform: translate(-50%, -50%);
    width: 96px;
    height: 96px;
    border-radius: 50%;
    background: #FFFFFF;
    border: 1px solid rgba(212, 175, 55, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    font-size: 0.82rem;
    letter-spacing: 0.02em;
    color: var(--color-text-main);
    font-weight: 500;
    box-shadow: 0 6px 18px rgba(14, 22, 43, 0.08);
    z-index: 2;
    padding: 0.3rem;
}

.dia-radial-node.n0 { left: 50%; top: 12%; }
.dia-radial-node.n1 { left: 76.87%; top: 23.13%; }
.dia-radial-node.n2 { left: 88%; top: 50%; }
.dia-radial-node.n3 { left: 76.87%; top: 76.87%; }
.dia-radial-node.n4 { left: 50%; top: 88%; }
.dia-radial-node.n5 { left: 23.13%; top: 76.87%; }
.dia-radial-node.n6 { left: 12%; top: 50%; }
.dia-radial-node.n7 { left: 23.13%; top: 23.13%; }

@media (max-width: 700px) {
    .dia-radial {
        max-width: none;
        aspect-ratio: auto;
    }
    .dia-radial-lines {
        display: none;
    }
    .dia-radial-center {
        position: static;
        transform: none;
        width: auto;
        min-height: 84px;
        border-radius: 16px;
        margin: 0 auto 1.25rem;
        padding: 0.9rem 1.5rem;
    }
    .dia-radial-nodes {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 0.7rem;
    }
    .dia-radial-node {
        position: static;
        transform: none;
        width: auto;
        height: auto;
        min-height: 64px;
        border-radius: 12px;
        padding: 0.6rem 0.4rem;
    }
}

/* ===== Wide infographic image component (used in 02 / 03 / 04) =====
   These are dense, text-heavy diagrams supplied as flat images.
   Desktop: shown as large as the layout allows for legibility.
   Mobile: scaled to fit the screen width like a normal responsive
   image (previously native-resolution + horizontal scroll, but that
   read as a broken/overflowing layout rather than a scrollable one —
   pinch-zoom remains available for detail). */
.dia-img-scroll-wrap {
    max-width: 1200px;
    margin: 2.25rem auto 0;
}

@media (min-width: 901px) {
    .dia-img-scroll-wrap {
        width: calc(100% + 4rem);
        margin-left: -2rem;
        margin-right: -2rem;
        border-radius: 20px;
        overflow: hidden;
        box-shadow: 0 20px 48px rgba(14, 22, 43, 0.12);
    }
}

.dia-img-scroll {
    overflow-x: hidden;
}

.dia-img-scroll img.dia-img {
    display: block;
    width: 100%;
    height: auto;
}

/* ===== Preview-to-modal disclosure (used in 02 / 03 / 04 above-the-fold
   diagrams). Keeps the initial view light: a short heading and short body
   text carry the meaning, while the full dense diagram (unchanged) opens
   in the shared .dia-lightbox modal only when the reader asks for it. ===== */
.dia-preview {
    max-width: 420px;
    margin: 0 auto;
    text-align: center;
}

.dia-preview-media {
    position: relative;
    display: block;
    width: 100%;
    max-width: 300px;
    padding: 0;
    margin: 0 auto 1.4rem;
    border: 1px solid rgba(212, 175, 55, 0.25);
    border-radius: 14px;
    overflow: hidden;
    background: none;
    cursor: zoom-in;
    box-shadow: 0 14px 34px rgba(14, 22, 43, 0.10);
    transition: border-color 0.22s ease, box-shadow 0.22s ease;
}

.dia-preview-media:hover,
.dia-preview-media:focus-visible {
    border-color: rgba(212, 175, 55, 0.55);
    box-shadow: 0 18px 40px rgba(14, 22, 43, 0.14);
}

.dia-preview-media img {
    display: block;
    width: 100%;
    height: auto;
}

.dia-preview-zoom {
    position: absolute;
    right: 0.55rem;
    bottom: 0.55rem;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(212, 175, 55, 0.45);
    display: flex;
    align-items: center;
    justify-content: center;
}

.dia-preview-link {
    display: inline-flex;
    align-items: center;
    font-family: inherit;
    font-size: 0.86rem;
    font-weight: 600;
    color: var(--color-navy);
    letter-spacing: 0.02em;
    background: none;
    border: none;
    border-bottom: 1px solid rgba(212, 175, 55, 0.5);
    padding: 0 0 0.2rem;
    cursor: pointer;
    transition: border-color 0.2s ease, color 0.2s ease;
}

.dia-preview-link:hover,
.dia-preview-link:focus-visible {
    border-color: rgba(212, 175, 55, 0.9);
    color: var(--color-gold);
}

/* ===== 05 — Short-stay program ===== */
.dia-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
    max-width: 1080px;
    margin: 0 auto;
}

.dia-step-card {
    background: #FFFFFF;
    border: 1px solid #ECEEF1;
    border-radius: 18px;
    padding: 1.75rem 1.75rem;
    box-shadow: 0 10px 30px rgba(14, 22, 43, 0.05);
}

.dia-step-mark {
    display: block;
    width: 32px;
    height: 2px;
    background: var(--color-gold);
    margin-bottom: 1.5rem;
}

.dia-step-title {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.08rem;
    color: var(--color-navy);
    letter-spacing: 0.02em;
    margin-bottom: 0.75rem;
}

.dia-step-text {
    font-size: 0.86rem;
    line-height: 1.9;
    color: var(--color-text-secondary);
    letter-spacing: 0.01em;
}

/* ----- Medical Environment: hospital intro (left) + room tour (right) ----- */
.dia-envir-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    max-width: 1080px;
    margin: 2.5rem auto 0;
}

.dia-envir-title {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.1rem;
    letter-spacing: 0.02em;
    color: var(--color-navy);
    margin-bottom: 1rem;
}

.dia-envir-text {
    font-size: 0.86rem;
    line-height: 1.9;
    letter-spacing: 0.01em;
    color: var(--color-text-secondary);
    margin-bottom: 1.25rem;
}

/* Hospital exterior photo is a low-resolution source, so it is kept
   modest in size to limit visible upscaling blur. */
.dia-envir-photo {
    max-width: 330px;
    aspect-ratio: 3 / 2;
    background: #F3F1E9;
    border: 1px solid rgba(212, 175, 55, 0.35);
    overflow: hidden;
}

.dia-envir-photo img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.dia-envir-room-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.6rem;
    max-width: 440px;
}

.dia-envir-note {
    text-align: left;
    max-width: none;
    margin: 0.85rem 0 0;
}

.dia-room-thumb {
    aspect-ratio: 4 / 3;
    background: #F3F1E9;
    border: 1px solid rgba(212, 175, 55, 0.25);
    overflow: hidden;
}

.dia-room-thumb img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

@media (max-width: 900px) {
    .dia-envir-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

@media (max-width: 900px) {
    .dia-steps {
        grid-template-columns: 1fr;
    }
}

/* ===== 06 — Medication / Nutrition / Exercise / Lifestyle ===== */
.dia-mnel-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    max-width: 1080px;
    margin: 0 auto;
}

.dia-mnel-card {
    background: #FFFFFF;
    border: 1px solid #ECEEF1;
    border-radius: 16px;
    padding: 1.5rem 1.25rem;
    text-align: center;
}

.dia-mnel-icon {
    width: 52px;
    height: 52px;
    margin: 0 auto 1.1rem;
    border-radius: 50%;
    border: 1px solid rgba(212,175,55,0.4);
    display: flex;
    align-items: center;
    justify-content: center;
}

.dia-mnel-en {
    font-family: var(--font-display);
    font-size: 1rem;
    letter-spacing: 0.06em;
    color: var(--color-gold);
    margin-bottom: 0.3rem;
}

.dia-mnel-ja {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1rem;
    color: var(--color-navy);
    margin-bottom: 0.75rem;
}

.dia-mnel-text {
    font-size: 0.82rem;
    line-height: 1.8;
    color: var(--color-text-secondary);
}

@media (max-width: 768px) {
    .dia-mnel-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ===== 09 — Who this is for ===== */
.dia-fit-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.9rem;
    max-width: 1080px;
    margin: 0 auto;
}

.dia-fit-item {
    display: flex;
    align-items: flex-start;
    gap: 0.65rem;
    font-size: 0.86rem;
    line-height: 1.7;
    color: var(--color-text-main);
    background: #FFFFFF;
    border: 1px solid #ECEEF1;
    border-radius: 10px;
    padding: 0.95rem 1.1rem;
}

.dia-fit-item svg {
    flex-shrink: 0;
    margin-top: 0.15em;
}

@media (max-width: 900px) {
    .dia-fit-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 560px) {
    .dia-fit-grid {
        grid-template-columns: 1fr;
    }
}

/* ===== 10 — Zendia support (Before / In / After Japan) ===== */
.dia-support-flow {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
    max-width: 1080px;
    margin: 0 auto;
}

.dia-support-card {
    background: #FFFFFF;
    border: 1px solid #ECEEF1;
    border-radius: 16px;
    padding: 1.6rem 1.6rem;
}

.dia-support-stage {
    font-family: var(--font-display);
    font-size: 1.15rem;
    line-height: 1.35;
    letter-spacing: 0.05em;
    color: var(--color-navy);
    margin-bottom: 0.85rem;
    min-height: 4.1rem;
    padding-bottom: 0.7rem;
    border-bottom: 1px solid rgba(212,175,55,0.35);
}

.dia-support-role {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    color: var(--color-text-secondary);
    background: #F3F4F6;
    border-radius: 999px;
    padding: 0.3rem 0.8rem;
    margin-bottom: 1.25rem;
}

.dia-support-role--zendia {
    color: var(--color-navy);
    font-weight: 600;
    background: rgba(212, 175, 55, 0.16);
}

.dia-support-headline {
    display: block;
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.5;
    min-height: 3rem;
    color: var(--color-navy);
    margin-bottom: 0.9rem;
}

.dia-support-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.7rem;
}

.dia-support-list li {
    font-size: 0.84rem;
    line-height: 1.7;
    color: var(--color-text-secondary);
    padding-left: 1.1rem;
    position: relative;
}

.dia-support-list li::before {
    content: '—';
    position: absolute;
    left: 0;
    color: var(--color-gold);
}

@media (max-width: 900px) {
    .dia-support-flow {
        grid-template-columns: 1fr;
    }
}

/* ===== 11 — Follow-up ===== */
.dia-follow-columns {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
    max-width: 980px;
    margin: 2.25rem auto 0;
}

.dia-follow-card {
    border-top: 2px solid var(--color-gold);
    padding-top: 1.4rem;
}

.dia-follow-title {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--color-navy);
    letter-spacing: 0.02em;
    margin-bottom: 0.4rem;
}

.dia-follow-meta {
    font-size: 0.78rem;
    letter-spacing: 0.05em;
    color: var(--color-gold);
    margin-bottom: 1.1rem;
}

.dia-follow-text {
    font-size: 0.86rem;
    line-height: 1.85;
    color: var(--color-text-secondary);
    margin-bottom: 1.4rem;
}

.dia-follow-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
}

.dia-follow-list li {
    font-size: 0.84rem;
    line-height: 1.7;
    color: var(--color-text-secondary);
    padding-left: 1.1rem;
    position: relative;
}

.dia-follow-list li::before {
    content: '—';
    position: absolute;
    left: 0;
    color: var(--color-gold);
}

.dia-follow-summary {
    max-width: 720px;
    margin: 2.5rem auto 0;
    text-align: center;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(212, 175, 55, 0.3);
}

.dia-follow-summary-title {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--color-navy);
    letter-spacing: 0.02em;
    margin-bottom: 0.85rem;
}

.dia-follow-summary-text {
    font-size: 0.88rem;
    line-height: 1.9;
    color: var(--color-text-secondary);
}

@media (max-width: 900px) {
    .dia-follow-columns {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
}

/* ===== 12 — Additional medical options (subdued) ===== */
.dia-addl-notice {
    font-family: var(--font-heading);
    font-size: 0.86rem;
    font-weight: 600;
    line-height: 1.7;
    letter-spacing: 0.02em;
    color: var(--color-navy);
    text-align: center;
    max-width: 640px;
    margin: 1.25rem auto 1.75rem;
    padding: 0.9rem 1.5rem;
    background: rgba(212, 175, 55, 0.07);
    border: 1px solid rgba(212, 175, 55, 0.35);
    border-radius: 10px;
}

.dia-addl-feature {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 2.5rem;
    align-items: start;
    max-width: 980px;
    margin: 0 auto 1.75rem;
}

.dia-addl-feature-title {
    display: inline-block;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--color-navy);
    letter-spacing: 0.02em;
    padding-bottom: 0.6rem;
    margin-bottom: 1rem;
    border-bottom: 1px solid rgba(212, 175, 55, 0.5);
}

.dia-addl-feature-text p {
    font-size: 0.84rem;
    line-height: 1.9;
    color: var(--color-text-secondary);
    margin-bottom: 0.9rem;
}

.dia-addl-feature-text p:last-child {
    margin-bottom: 0;
}

.dia-addl-feature-text strong {
    color: var(--color-text-main);
    font-weight: 600;
}

.dia-addl-photo-frame {
    display: flex;
    flex-direction: column;
    gap: 1.1rem;
    width: 100%;
    max-width: 520px;
    margin: 0 auto;
}

/* Device photo: ~65% of the photo area (height reduced from the
   original tall portrait crop so it no longer dominates the block). */
.dia-addl-photo-main {
    aspect-ratio: 4 / 3;
    background: #FBF9F3;
    border: 1px solid rgba(212, 175, 55, 0.35);
    overflow: hidden;
}

/* Filter photo: ~35% of the photo area. */
.dia-addl-photo-sub {
    aspect-ratio: 5 / 2;
    background: #FBF9F3;
    border: 1px solid rgba(212, 175, 55, 0.35);
    overflow: hidden;
}

.dia-addl-photo-main img,
.dia-addl-photo-sub img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.dia-addl-photo-item {
    background: #FBF9F3;
    border: 1px solid rgba(212, 175, 55, 0.35);
    overflow: hidden;
}

.dia-addl-photo-item img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.dia-addl-photo-item--zoomable {
    cursor: zoom-in;
}

.dia-addl-photo-item--zoomable:focus-visible {
    outline: 2px solid var(--color-gold);
    outline-offset: 2px;
}

.dia-addl-case-caption {
    text-align: center;
}

.dia-addl-case-caption-title {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.88rem;
    color: var(--color-navy);
    letter-spacing: 0.02em;
    margin-bottom: 0.4rem;
}

.dia-addl-case-caption-text {
    font-size: 0.82rem;
    line-height: 1.75;
    color: var(--color-text-secondary);
    margin-bottom: 0.6rem;
}

.dia-addl-case-caption-note {
    font-size: 0.72rem;
    line-height: 1.6;
    color: #8A8F98;
}

/* Lightbox: simple click-to-enlarge for the case-comparison photo */
.dia-lightbox {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.dia-lightbox.is-open {
    display: flex;
}

.dia-lightbox-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(7, 22, 41, 0.85);
    cursor: zoom-out;
}

.dia-lightbox-content {
    position: relative;
    z-index: 1;
    max-width: min(92vw, 900px);
    max-height: 85vh;
}

.dia-lightbox-content img {
    display: block;
    width: 100%;
    height: auto;
    max-height: 85vh;
    object-fit: contain;
    background: #FFFFFF;
    border: 1px solid rgba(212, 175, 55, 0.45);
}

.dia-lightbox-close {
    position: absolute;
    top: -2.75rem;
    right: 0;
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.4);
    background: transparent;
    color: #FFFFFF;
    font-size: 1.4rem;
    line-height: 1;
    cursor: pointer;
}

@media (max-width: 900px) {
    .dia-addl-feature {
        grid-template-columns: 1fr;
        gap: 1.75rem;
    }
}

/* ----- Stem cell block: give the case-comparison photo more width so the
   before / 1st-dose / 2nd-dose stages stay legible at normal size. ----- */
@media (min-width: 901px) {
    .dia-addl-feature--stemcell {
        grid-template-columns: 1fr 1.4fr;
    }
}

.dia-addl-feature--stemcell .dia-addl-photo-frame {
    max-width: 620px;
}

.dia-addl-feature--stemcell .dia-addl-photo-item--culture {
    width: 60%;
    margin: 0 auto;
}

/* ----- Blood purification block: keep its existing ~65/35 photo split but
   cap the main photo's height so it doesn't read heavier than the
   (now larger) stem-cell block below it. ----- */
.dia-addl-feature--bloodpure .dia-addl-photo-main {
    aspect-ratio: 3 / 2;
    max-height: 280px;
}

/* ===== 14 — Pricing ===== */
.dia-pricing-box {
    max-width: 940px;
    margin: 0 auto;
    padding: 2.25rem 2.5rem;
    border: 1px solid rgba(212,175,55,0.4);
    border-radius: 16px;
    background: #FFFFFF;
}

/* ----- Price headline ----- */
.dia-price-headline {
    text-align: center;
    padding-bottom: 2rem;
    margin-bottom: 2rem;
    border-bottom: 1px solid rgba(212, 175, 55, 0.3);
}

.dia-price-headline-main {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 0.9rem;
}

.dia-price-headline-label {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.05rem;
    letter-spacing: 0.06em;
    color: var(--color-navy);
}

.dia-price-headline-amount {
    font-family: var(--font-display);
    font-size: clamp(1.9rem, 3.6vw, 2.5rem);
    letter-spacing: 0.03em;
    color: var(--color-gold);
}

.dia-price-headline-sub {
    font-size: 0.84rem;
    line-height: 1.9;
    letter-spacing: 0.02em;
    color: var(--color-text-secondary);
    max-width: 520px;
    margin: 0 auto;
}

/* ----- Price blocks (included / option / excluded) ----- */
.dia-price-block {
    margin-bottom: 2rem;
}

.dia-price-block:last-of-type {
    margin-bottom: 0;
}

.dia-price-block-title {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.02rem;
    letter-spacing: 0.03em;
    color: var(--color-navy);
    margin-bottom: 1.25rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid rgba(212, 175, 55, 0.4);
}

.dia-price-block--option .dia-price-block-title {
    border-bottom-style: dashed;
    color: var(--color-text-secondary);
}

.dia-price-group {
    margin-bottom: 1.25rem;
}

.dia-price-group:last-child {
    margin-bottom: 0;
}

.dia-price-group-title {
    display: flex;
    align-items: baseline;
    gap: 0.6rem;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.88rem;
    letter-spacing: 0.04em;
    color: var(--color-navy);
    margin-bottom: 0.85rem;
}

.dia-price-block--option .dia-price-group-title {
    color: var(--color-text-secondary);
}

.dia-price-group-num {
    font-family: var(--font-display);
    font-size: 1rem;
    color: var(--color-gold);
}

.dia-price-group-desc {
    font-size: 0.78rem;
    line-height: 1.8;
    color: var(--color-text-secondary);
    margin: -0.4rem 0 0.85rem;
}

.dia-price-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.dia-price-list li {
    font-size: 0.85rem;
    line-height: 1.75;
    color: var(--color-text-main);
    letter-spacing: 0.01em;
    padding-left: 1.1rem;
    position: relative;
}

.dia-price-list li::before {
    content: '—';
    position: absolute;
    left: 0;
    color: var(--color-gold);
}

.dia-price-list--plus li::before {
    content: '+';
}

.dia-price-list--cols {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    column-gap: 2rem;
    row-gap: 0.4rem;
}

/* ----- Excluded block: deliberately subdued ----- */
.dia-price-block--excluded {
    padding-top: 1.75rem;
    border-top: 1px solid #ECEEF1;
}

.dia-price-block-title--excluded {
    font-size: 0.82rem;
    font-weight: 500;
    color: #8A8F98;
    border-bottom: none;
    margin-bottom: 0.9rem;
    padding-bottom: 0;
}

.dia-price-list--excluded {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1.75rem;
}

.dia-price-list--excluded li {
    font-size: 0.78rem;
    color: #8A8F98;
    padding-left: 1rem;
}

.dia-price-list--excluded li::before {
    color: #C9CDD3;
}

/* ----- Fine-print notes ----- */
.dia-price-notes {
    margin-top: 1.75rem;
    padding-top: 1.25rem;
    border-top: 1px solid #ECEEF1;
}

.dia-price-notes p {
    font-size: 0.72rem;
    line-height: 1.85;
    color: #8A8F98;
    letter-spacing: 0.01em;
    margin-bottom: 0.5rem;
}

.dia-price-notes p:last-child {
    margin-bottom: 0;
}

@media (max-width: 700px) {
    .dia-pricing-box {
        padding: 2.5rem 1.5rem;
    }

    .dia-price-list--cols {
        grid-template-columns: 1fr;
    }
}

/* ===== 14b — Stay timeline (horizontal bar) ===== */
.dia-timeline-wrap {
    max-width: 1080px;
    margin: 2.5rem auto 0;
    padding-top: 1.75rem;
    border-top: 1px solid rgba(212, 175, 55, 0.3);
}

.dia-timeline-heading {
    text-align: center;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.1rem;
    letter-spacing: 0.05em;
    color: var(--color-navy);
    margin: 0 auto 2rem;
}

.dia-timeline {
    display: flex;
    align-items: flex-start;
}

.dia-timeline-stage {
    display: flex;
    flex-direction: column;
}

.dia-timeline-stage--arrival {
    flex: 0 0 122px;
}

.dia-timeline-stage--prep {
    flex: 19 1 0%;
}

.dia-timeline-stage--program {
    flex: 45 1 0%;
}

.dia-timeline-stage--free {
    flex: 34 1 0%;
}

.dia-timeline-track {
    height: 28px;
    display: flex;
    align-items: center;
    padding-right: 1.5rem;
}

.dia-timeline-dot {
    width: 11px;
    height: 11px;
    border-radius: 50%;
    background: var(--color-navy);
    flex-shrink: 0;
}

.dia-timeline-line {
    flex: 1;
    height: 3px;
    background: rgba(0, 35, 61, 0.65);
    margin-left: 0.5rem;
}

.dia-timeline-line--free {
    background: linear-gradient(to right, rgba(0, 35, 61, 0.65) 0%, rgba(212, 175, 55, 0.55) 45%, rgba(212, 175, 55, 0.12) 100%);
}

.dia-timeline-content {
    padding-top: 1rem;
    padding-right: 1.75rem;
}

.dia-timeline-en {
    display: block;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.04rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #A47C1B;
    margin-bottom: 0.6rem;
}

.dia-timeline-ja {
    display: block;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.96rem;
    color: var(--color-navy);
    letter-spacing: 0.02em;
    margin-bottom: 0.7rem;
}

.dia-timeline-ja--muted {
    font-weight: 500;
    color: var(--color-text-secondary);
}

.dia-timeline-desc {
    font-size: 0.8rem;
    line-height: 1.85;
    color: var(--color-text-secondary);
    letter-spacing: 0.01em;
}

.dia-timeline-desc strong {
    color: var(--color-text-main);
    font-weight: 600;
}

@media (max-width: 560px) {
    .dia-timeline {
        flex-direction: column;
    }

    .dia-timeline-stage {
        flex: none !important;
        flex-direction: row;
        gap: 1.25rem;
    }

    .dia-timeline-track {
        flex-direction: column;
        align-items: center;
        align-self: stretch;
        height: auto;
        width: 8px;
        padding-right: 0;
        padding: 0.35rem 0;
    }

    .dia-timeline-line {
        width: 3px;
        height: auto;
        margin-left: 0;
        margin-top: 0.35rem;
    }

    .dia-timeline-line--free {
        background: linear-gradient(to bottom, rgba(0, 35, 61, 0.65) 0%, rgba(212, 175, 55, 0.55) 45%, rgba(212, 175, 55, 0.12) 100%);
    }

    .dia-timeline-stage--arrival .dia-timeline-track {
        padding-top: 0.35rem;
    }

    .dia-timeline-content {
        padding-top: 0;
        padding-right: 0;
        padding-bottom: 1.75rem;
    }

    .dia-timeline-stage:last-child .dia-timeline-content {
        padding-bottom: 0;
    }
}

/* ===== 14c — Required documents (Medical Report: required / recommended) ===== */
.dia-docs-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    max-width: 1080px;
    margin: 2.5rem auto 0;
}

.dia-docs-block {
    padding-top: 1.4rem;
}

.dia-docs-block--required {
    border-top: 2px solid var(--color-gold);
}

.dia-docs-block--recommended {
    border-top: 2px dashed rgba(212, 175, 55, 0.45);
}

.dia-docs-tag {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    padding: 0.3rem 0.9rem;
    border-radius: 999px;
    margin-bottom: 1.1rem;
}

.dia-docs-tag--required {
    color: #FFFFFF;
    background: var(--color-navy);
}

.dia-docs-tag--recommended {
    color: var(--color-text-secondary);
    background: #F3F4F6;
}

.dia-docs-subtitle {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.05rem;
    color: var(--color-navy);
    letter-spacing: 0.02em;
    margin-bottom: 0.75rem;
}

.dia-docs-desc {
    font-size: 0.86rem;
    line-height: 1.85;
    color: var(--color-text-secondary);
    margin-bottom: 1.25rem;
}

.dia-docs-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.7rem;
}

.dia-docs-list li {
    font-size: 0.88rem;
    line-height: 1.7;
    color: var(--color-text-main);
    padding-left: 1.1rem;
    position: relative;
}

.dia-docs-list li::before {
    content: '—';
    position: absolute;
    left: 0;
    color: var(--color-gold);
}

.dia-docs-list--strong li {
    font-weight: 600;
    color: var(--color-navy);
}

@media (max-width: 900px) {
    .dia-docs-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
}

/* ===== 14d — Acceptance confirmation notice (before FAQ) ===== */
.dia-accept-notice {
    max-width: 780px;
    margin: 0 auto;
    padding: 1.75rem 2rem;
    background: #F5F3EC;
    border: 1px solid rgba(212, 175, 55, 0.25);
    border-radius: 14px;
    text-align: center;
}

.dia-accept-notice p {
    font-size: 0.86rem;
    line-height: 1.9;
    letter-spacing: 0.01em;
    color: var(--color-text-main);
    margin: 0;
}

/* ===== 14e — Backlink to general checkup LP (after FAQ, before final CTA) ===== */
.dia-backlink-eyebrow {
    display: block;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.74rem;
    letter-spacing: 0.24em;
    text-transform: uppercase;
    color: var(--color-gold);
    opacity: 0.85;
    text-align: center;
    margin-bottom: 0.85rem;
}

.dia-backlink-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.35rem 1rem;
    max-width: 620px;
    margin: 0 auto;
    padding: 0.85rem 1.5rem;
    background: rgba(212, 175, 55, 0.05);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 10px;
    text-decoration: none;
    text-align: center;
    transition: all 0.25s ease;
}

.dia-backlink-cta:hover {
    background: rgba(212, 175, 55, 0.09);
    border-color: rgba(212, 175, 55, 0.45);
}

.dia-backlink-cta-label {
    font-size: 0.82rem;
    color: var(--color-text-secondary);
    letter-spacing: 0.01em;
}

.dia-backlink-cta-action {
    font-size: 0.86rem;
    font-weight: 600;
    color: var(--color-navy);
    letter-spacing: 0.02em;
    white-space: nowrap;
}

/* ===== Shared: section dividers ===== */
.dia-divider {
    height: 1px;
    max-width: 120px;
    margin: 0 auto;
    background: rgba(212,175,55,0.5);
}

/* ===== Medical info notice reused inside contact form ===== */
.dia-medical-warning {
    font-size: 0.78rem;
    color: #86868B;
    margin-top: 0.5rem;
    line-height: 1.6;
}

/* ===== Small responsive polish ===== */
@media (max-width: 768px) {
    .dia-section {
        padding: 3rem 0;
    }
    .dia-hero {
        min-height: 76vh;
    }
    .dia-hero-content {
        padding: 5.5rem 1.25rem 3.5rem;
    }
    .dia-heading {
        margin-bottom: 0.85rem;
    }
    .dia-sub {
        margin-bottom: 1.75rem;
    }
    .dia-steps,
    .dia-mnel-grid,
    .dia-support-flow {
        gap: 1rem;
    }
    .dia-step-card,
    .dia-mnel-card,
    .dia-support-card {
        padding: 1.4rem 1.4rem;
    }
    .dia-envir-grid,
    .dia-docs-grid {
        margin-top: 2rem;
    }
    .dia-follow-columns {
        margin-top: 2rem;
        gap: 2rem;
    }
    .dia-addl-feature {
        margin-bottom: 1.5rem;
    }
    .dia-timeline-wrap {
        margin-top: 2rem;
        padding-top: 1.5rem;
    }
}