/* ═══════════════════════════════
   RESET
═══════════════════════════════ */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* ═══════════════════════════════
   CSS VARIABLES
═══════════════════════════════ */
:root {
    --clr-ocean-deep: #0a3d62;
    --clr-ocean-mid: #1a6ea8;
    --clr-ocean-light: #3aa0d8;
    --clr-foam: #f3f9fd;
    --clr-white: #ffffff;
    --clr-accent: #f0a500;
    --clr-text-main: #1c2b3a;
    --clr-text-sub: #4a7fa5;
    --clr-text-muted: rgba(255, 255, 255, 0.55);
    --clr-text-light: rgba(255, 255, 255, 0.82);
    --font-serif: "Noto Serif JP", serif;
    --font-sans: "Noto Sans JP", sans-serif;
}

/* ═══════════════════════════════
   BODY
═══════════════════════════════ */
body {
    font-family: var(--font-sans);
    background: var(--clr-foam);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ═══════════════════════════════
   HEADER
═══════════════════════════════ */
header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--clr-white);
    box-shadow: 0 2px 20px rgba(10, 61, 98, 0.12);
    overflow: hidden;
}

/* subtle wave decoration at bottom of header */
header::after {
    content: "";
    display: block;
    height: 4px;
    background: linear-gradient(
        90deg,
        var(--clr-ocean-deep) 0%,
        var(--clr-ocean-light) 50%,
        var(--clr-accent) 100%
    );
}

/* ─── TOP BAND ─── */
.header-top {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px 48px 16px;
    background: linear-gradient(
        135deg,
        var(--clr-ocean-deep) 0%,
        var(--clr-ocean-mid) 100%
    );
    position: relative;
}

/* decorative circles */
.header-top::before,
.header-top::after {
    content: "";
    position: absolute;
    border-radius: 50%;
    opacity: 0.08;
}
.header-top::before {
    width: 260px;
    height: 260px;
    background: var(--clr-white);
    top: -80px;
    right: 120px;
}
.header-top::after {
    content: none;
}

/* logo mark */
.logo-mark {
    width: 52px;
    height: 52px;
    flex-shrink: 0;
    display: grid;
    place-items: center;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 14px;
    border: 1.5px solid rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(4px);
}

.logo-mark svg {
    width: 32px;
    height: 32px;
}

/* site title block */
.logo-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.logo-title {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--clr-white);
    letter-spacing: 0.08em;
    line-height: 1;
    text-shadow: 0 1px 6px rgba(0, 0, 0, 0.2);
}

.logo-title span {
    color: var(--clr-accent);
}

.logo-tagline {
    font-size: 0.78rem;
    font-weight: 300;
    color: rgba(255, 255, 255, 0.75);
    letter-spacing: 0.06em;
}

/* ─── NAV BAND ─── */
.header-nav {
    padding: 0 48px;
    background: var(--clr-white);
}

.header-nav nav {
    display: flex;
    align-items: stretch;
    gap: 0;
}

.header-nav nav a {
    position: relative;
    display: inline-flex;
    align-items: center;
    padding: 16px 22px;
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--clr-text-main);
    text-decoration: none;
    letter-spacing: 0.05em;
    white-space: nowrap;
    transition: color 0.22s;
}

/* animated underline */
.header-nav nav a::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 80%;
    height: 3px;
    border-radius: 2px 2px 0 0;
    background: linear-gradient(
        90deg,
        var(--clr-ocean-mid),
        var(--clr-ocean-light)
    );
    transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.header-nav nav a:hover {
    color: var(--clr-ocean-mid);
}

.header-nav nav a:hover::after {
    transform: translateX(-50%) scaleX(1);
}

/* active state */
.header-nav nav a.active {
    color: var(--clr-ocean-mid);
    font-weight: 600;
}

.header-nav nav a.active::after {
    transform: translateX(-50%) scaleX(1);
}

/* ─── お問い合わせ button ─── */
.header-nav nav a.btn-contact {
    margin-left: auto;
    margin-top: 10px;
    margin-bottom: 10px;
    padding: 8px 20px;
    border-radius: 999px;
    background: linear-gradient(
        135deg,
        var(--clr-ocean-mid),
        var(--clr-ocean-light)
    );
    color: var(--clr-white) !important;
    font-weight: 500;
    box-shadow: 0 2px 10px rgba(26, 110, 168, 0.3);
    transition:
        box-shadow 0.22s,
        transform 0.18s;
}

.header-nav nav a.btn-contact::after {
    display: none;
}

.header-nav nav a.btn-contact:hover {
    color: var(--clr-white) !important;
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(26, 110, 168, 0.45);
}

/* ─── HEADER RESPONSIVE ─── */
@media (max-width: 768px) {
    .header-top {
        padding: 16px 20px;
    }
    .logo-title {
        font-size: 1.4rem;
    }
    .header-nav {
        padding: 0 8px;
        overflow-x: auto;
    }
    .header-nav nav a {
        padding: 14px 12px;
        font-size: 0.8rem;
    }
    .header-nav nav a.btn-contact {
        margin-left: 8px;
    }
}

/* ═══════════════════════════════
   FOOTER
═══════════════════════════════ */
footer {
    background: linear-gradient(170deg, var(--clr-ocean-deep) 0%, #061f33 100%);
    color: var(--clr-text-light);
    position: relative;
    overflow: hidden;
}

/* decorative background circles */
footer::before {
    content: "";
    position: absolute;
    width: 420px;
    height: 420px;
    border-radius: 50%;
    background: radial-gradient(
        circle,
        rgba(58, 160, 216, 0.18) 0%,
        transparent 70%
    );
    top: -120px;
    right: -80px;
    pointer-events: none;
}

/* top accent line */
.footer-top-line {
    height: 4px;
    background: linear-gradient(
        90deg,
        var(--clr-ocean-deep) 0%,
        var(--clr-ocean-light) 50%,
        var(--clr-accent) 100%
    );
}

/* ── main grid area ── */
.footer-main {
    max-width: 1100px;
    margin: 0 auto;
    padding: 52px 48px 36px;
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr;
    gap: 40px 48px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
}

.footer-logo-mark {
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    border: 1.5px solid rgba(255, 255, 255, 0.18);
    flex-shrink: 0;
}

.footer-logo-mark svg {
    width: 26px;
    height: 26px;
}

.footer-logo-title {
    font-family: var(--font-serif);
    font-size: 1.45rem;
    font-weight: 700;
    color: var(--clr-white);
    letter-spacing: 0.08em;
}

.footer-logo-title span {
    color: var(--clr-accent);
}

.footer-tagline {
    font-size: 0.8rem;
    color: var(--clr-text-muted);
    letter-spacing: 0.04em;
    margin-bottom: 10px;
}

.footer-desc {
    font-size: 0.82rem;
    line-height: 1.75;
    color: var(--clr-text-muted);
    max-width: 280px;
}

/* nav columns */
.footer-col h3 {
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--clr-ocean-light);
    margin-bottom: 18px;
    padding-bottom: 8px;
    border-bottom: 1px solid rgba(58, 160, 216, 0.25);
}

.footer-col ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-col ul li a {
    font-size: 0.84rem;
    color: var(--clr-text-light);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 7px;
    transition:
        color 0.2s,
        gap 0.2s;
}

.footer-col ul li a::before {
    content: "";
    display: inline-block;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--clr-ocean-light);
    flex-shrink: 0;
    opacity: 0.6;
    transition:
        opacity 0.2s,
        transform 0.2s;
}

.footer-col ul li a:hover {
    color: var(--clr-white);
    gap: 10px;
}

.footer-col ul li a:hover::before {
    opacity: 1;
    transform: scale(1.4);
}

/* ── disclaimer ── */
.footer-disclaimer {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 48px 28px;
}

.footer-disclaimer p {
    font-size: 0.74rem;
    color: var(--clr-text-muted);
    background: rgba(255, 255, 255, 0.05);
    border-left: 3px solid var(--clr-accent);
    border-radius: 0 6px 6px 0;
    padding: 10px 16px;
    line-height: 1.7;
}

/* ── bottom bar ── */
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 18px 48px;
    max-width: 1100px;
    margin: 0 auto;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.footer-bottom p {
    font-size: 0.76rem;
    color: var(--clr-text-muted);
    letter-spacing: 0.04em;
}

.footer-bottom-badge {
    font-size: 0.68rem;
    color: var(--clr-text-muted);
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 999px;
    padding: 4px 12px;
    letter-spacing: 0.06em;
}

/* ── FOOTER RESPONSIVE ── */
@media (max-width: 768px) {
    .footer-main {
        grid-template-columns: 1fr 1fr;
        padding: 40px 24px 28px;
        gap: 32px 24px;
    }
    .footer-brand {
        grid-column: 1 / -1;
    }
    .footer-desc {
        max-width: 100%;
    }
    .footer-disclaimer {
        padding: 0 24px 24px;
    }
    .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
        padding: 16px 24px;
        gap: 10px;
    }
}

@media (max-width: 480px) {
    .footer-main {
        grid-template-columns: 1fr;
    }
}

/* ═══════════════════════════════
   DEMO / PREVIEW HELPERS
═══════════════════════════════ */
.demo-spacer {
    flex: 1;
    display: grid;
    place-items: center;
    color: #4a7fa5;
    font-size: 0.85rem;
    padding: 60px 20px;
}

.demo-body {
    padding: 60px 48px;
    text-align: center;
    color: var(--clr-text-sub);
    font-size: 0.9rem;
}

/* ═══════════════════════════════
   MAIN LAYOUT
═══════════════════════════════ */
.page-main {
    flex: 1;
    background: #ffffff;
}

/* ─── 共通セクション ─── */
.section-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 80px 48px;
}

.section-heading {
    text-align: center;
    margin-bottom: 48px;
}

.section-label {
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--clr-ocean-light);
}

.section-title {
    font-family: var(--font-serif);
    font-size: 1.9rem;
    font-weight: 700;
    color: var(--clr-ocean-deep);
    margin: 8px 0 16px;
    letter-spacing: 0.04em;
}

.section-desc {
    font-size: 0.92rem;
    color: var(--clr-text-sub);
    line-height: 1.8;
}

.section-link {
    text-align: center;
    margin-top: 40px;
}

.section-link a {
    font-size: 0.9rem;
    color: var(--clr-ocean-mid);
    text-decoration: none;
    font-weight: 500;
    border-bottom: 1px solid var(--clr-ocean-light);
    padding-bottom: 2px;
    transition: color 0.2s;
}

.section-link a:hover {
    color: var(--clr-ocean-deep);
}

/* ─── ボタン ─── */
.btn-primary {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--clr-ocean-mid), var(--clr-ocean-light));
    color: var(--clr-white);
    font-size: 0.95rem;
    font-weight: 500;
    text-decoration: none;
    box-shadow: 0 2px 12px rgba(26, 110, 168, 0.3);
    transition: box-shadow 0.22s, transform 0.18s;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(26, 110, 168, 0.4);
}

.btn-secondary {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 999px;
    background: transparent;
    color: var(--clr-ocean-mid);
    font-size: 0.95rem;
    font-weight: 500;
    text-decoration: none;
    border: 2px solid var(--clr-ocean-mid);
    transition: background 0.2s, color 0.2s;
}

.btn-secondary:hover {
    background: var(--clr-ocean-mid);
    color: var(--clr-white);
}

/* ═══════════════════════════════
   1. ファーストビュー
═══════════════════════════════ */
.hero {
    background: linear-gradient(135deg, var(--clr-ocean-deep) 0%, var(--clr-ocean-mid) 100%);
    color: var(--clr-white);
    padding: 48px 48px;
    text-align: center;
}

.hero-inner {
    max-width: 720px;
    margin: 0 auto;
}

.hero-label {
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 16px;
}

.hero-title {
    font-family: var(--font-serif);
    font-size: 2.1rem;
    font-weight: 700;
    line-height: 1.4;
    letter-spacing: 0.06em;
    margin-bottom: 16px;
}

.hero-desc {
    font-size: 0.92rem;
    line-height: 1.9;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 24px;
}

.hero-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero .btn-primary,
.hero .btn-secondary {
    padding: 11px 26px;
    font-size: 0.88rem;
}

.hero .btn-secondary {
    border-color: rgba(255, 255, 255, 0.7);
    color: var(--clr-white);
}

.hero .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    color: var(--clr-white);
}

/* ═══════════════════════════════
   2. 透析とは
═══════════════════════════════ */
.about {
    background: var(--clr-white);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.about-card {
    background: var(--clr-foam);
    border-radius: 12px;
    padding: 24px 24px;
    border-top: 3px solid var(--clr-ocean-light);
}

.about-card-icon {
    font-size: 1.8rem;
    margin-bottom: 10px;
}

.about-card-icon-img {
    width: 32px;
    height: 32px;
    object-fit: contain;
    display: block;
}

.about-card h3 {
    font-family: var(--font-serif);
    font-size: 1rem;
    font-weight: 700;
    color: var(--clr-ocean-deep);
    margin-bottom: 10px;
}

.about-card p {
    font-size: 0.87rem;
    line-height: 1.8;
    color: var(--clr-text-sub);
}

/* ═══════════════════════════════
   3. 透析の比較
═══════════════════════════════ */
.compare {
    background: var(--clr-foam);
}

.compare-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
}

.compare-card {
    background: var(--clr-white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(10, 61, 98, 0.07);
}

.compare-card-header {
    padding: 24px 28px;
    display: flex;
    align-items: center;
    gap: 14px;
    color: var(--clr-white);
}

.compare-card-header--hd {
    background: linear-gradient(135deg, var(--clr-ocean-deep), var(--clr-ocean-mid));
}

.compare-card-header--pd {
    background: linear-gradient(135deg, #1a7a5e, #2fad87);
}

.compare-badge {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 6px;
    padding: 4px 10px;
}

.compare-card-header h3 {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    font-weight: 700;
}

.compare-list {
    list-style: none;
    padding: 24px 28px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.compare-list li {
    font-size: 0.87rem;
    line-height: 1.7;
    color: var(--clr-text-sub);
    padding-left: 18px;
    position: relative;
}

.compare-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--clr-ocean-light);
    font-weight: 700;
}

.compare-link {
    display: block;
    padding: 16px 28px;
    font-size: 0.85rem;
    color: var(--clr-ocean-mid);
    text-decoration: none;
    font-weight: 500;
    border-top: 1px solid var(--clr-foam);
    transition: background 0.2s;
}

.compare-link:hover {
    background: var(--clr-foam);
}

.compare-note {
    margin-top: 20px;
    text-align: center;
    font-size: 0.83rem;
    color: var(--clr-text-sub);
    line-height: 1.8;
}

/* ═══════════════════════════════
   4. FAQ
═══════════════════════════════ */
.faq {
    background: var(--clr-white);
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.faq-item {
    border: 1px solid #d0e8f5;
    border-radius: 10px;
    overflow: hidden;
    background: var(--clr-white);
    transition: border-color 0.2s, box-shadow 0.2s, transform 0.18s;
}

.faq-item:hover {
    border-color: var(--clr-ocean-light);
    box-shadow: 0 3px 14px rgba(10, 61, 98, 0.08);
    transform: translateY(-2px);
}

.faq-question {
    display: block;
    padding: 20px 24px;
    font-size: 0.93rem;
    font-weight: 500;
    color: var(--clr-ocean-deep);
    cursor: pointer;
    list-style: none;
    position: relative;
    padding-right: 48px;
    background: var(--clr-white);
    transition: background 0.2s;
}

.faq-item:hover .faq-question {
    background: #f0f8fd;
}

.faq-question::-webkit-details-marker {
    display: none;
}

.faq-question::after {
    content: '+';
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.2rem;
    color: var(--clr-ocean-light);
    transition: transform 0.2s, color 0.2s;
}

.faq-item:hover .faq-question::after {
    color: var(--clr-ocean-mid);
}

.faq-item[open] .faq-question::after {
    transform: translateY(-50%) rotate(45deg);
}

.faq-answer {
    padding: 0 24px 20px;
    font-size: 0.87rem;
    line-height: 1.85;
    color: #2e5f80;
    border-top: 1px solid var(--clr-foam);
    padding-top: 16px;
}

/* ═══════════════════════════════
   5. おすすめ記事
═══════════════════════════════ */
.recommend {
    background: var(--clr-foam);
}

.recommend-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.recommend-card {
    background: var(--clr-white);
    border-radius: 12px;
    padding: 28px 28px;
    text-decoration: none;
    display: block;
    border: 1px solid #d0e8f5;
    transition: box-shadow 0.2s, transform 0.18s;
}

.recommend-card:hover {
    box-shadow: 0 4px 20px rgba(10, 61, 98, 0.1);
    transform: translateY(-2px);
}

.recommend-step {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    color: var(--clr-ocean-light);
    background: var(--clr-foam);
    padding: 3px 10px;
    border-radius: 999px;
}

.recommend-card-title {
    font-family: var(--font-serif);
    font-size: 1rem;
    font-weight: 700;
    color: var(--clr-ocean-deep);
    margin: 12px 0 8px;
}

.recommend-card-desc {
    font-size: 0.84rem;
    line-height: 1.75;
    color: var(--clr-text-sub);
}

/* ═══════════════════════════════
   6. 運営者ミニ紹介
═══════════════════════════════ */
.about-author {
    background: var(--clr-white);
}

.author-card {
    background: var(--clr-foam);
    border-radius: 16px;
    padding: 48px;
    display: flex;
    gap: 40px;
    align-items: flex-start;
    border-left: 4px solid var(--clr-ocean-light);
}

.author-avatar {
    font-size: 3.5rem;
    flex-shrink: 0;
}

.author-label {
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    color: var(--clr-ocean-light);
    font-weight: 500;
    margin-bottom: 6px;
}

.author-name {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--clr-ocean-deep);
    margin-bottom: 16px;
}

.author-text {
    font-size: 0.88rem;
    line-height: 1.9;
    color: var(--clr-text-sub);
    margin-bottom: 20px;
}

.author-link {
    font-size: 0.87rem;
    color: var(--clr-ocean-mid);
    text-decoration: none;
    font-weight: 500;
    border-bottom: 1px solid var(--clr-ocean-light);
    padding-bottom: 2px;
}

/* ═══════════════════════════════
   7. CTA
═══════════════════════════════ */
.cta {
    background: linear-gradient(135deg, var(--clr-ocean-deep) 0%, var(--clr-ocean-mid) 100%);
    color: var(--clr-white);
    text-align: center;
}

.cta .section-inner {
    padding: 80px 48px;
}

.cta-title {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    margin-bottom: 20px;
}

.cta-desc {
    font-size: 0.95rem;
    line-height: 1.9;
    color: rgba(255, 255, 255, 0.82);
    margin-bottom: 40px;
}

.cta-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.cta .btn-primary {
    background: rgba(255, 255, 255, 0.15);
    border: 1.5px solid rgba(255, 255, 255, 0.5);
    box-shadow: none;
}

.cta .btn-primary:hover {
    background: rgba(255, 255, 255, 0.25);
    box-shadow: none;
}

.cta-contact-link {
    display: inline-block;
    margin-top: 28px;
    font-size: 0.84rem;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.35);
    padding-bottom: 2px;
    transition: color 0.2s, border-color 0.2s;
}

.cta-contact-link:hover {
    color: rgba(255, 255, 255, 0.95);
    border-bottom-color: rgba(255, 255, 255, 0.7);
}

/* ═══════════════════════════════
   ABOUT PAGE
═══════════════════════════════ */

/* ─── Page Hero ─── */
.page-hero {
    background: linear-gradient(135deg, var(--clr-ocean-deep) 0%, var(--clr-ocean-mid) 100%);
    color: var(--clr-white);
    text-align: center;
    padding: 44px 48px 40px;
}

.page-hero-label {
    display: inline-block;
    font-size: 0.72rem;
    letter-spacing: 0.18em;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.65);
    margin-bottom: 10px;
}

.page-hero-title {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    margin-bottom: 12px;
}

.page-hero-desc {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.7;
}

/* ─── Page Inner ─── */
.about-page-inner {
    max-width: 760px;
    margin: 0 auto;
    padding: 0 32px 80px;
}

.about-page-section,
.article-section {
    padding: 56px 0 0;
    scroll-margin-top: 140px;
}

.about-page-section:first-of-type,
.article-section:first-of-type {
    padding-top: 32px;
}

/* ─── Greeting ─── */
.about-page-greeting {
    font-size: 0.96rem;
    line-height: 2;
    color: var(--clr-text-main);
    border-left: 3px solid var(--clr-ocean-light);
    padding-left: 20px;
}

/* ─── Heading ─── */
.about-page-heading {
    font-family: var(--font-serif);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--clr-ocean-deep);
    border-bottom: 2px solid var(--clr-foam);
    padding-bottom: 12px;
    margin-bottom: 28px;
}

/* ─── Profile Card ─── */
.about-profile-card {
    background: var(--clr-foam);
    border-radius: 12px;
    padding: 28px 32px;
    border-left: 4px solid var(--clr-ocean-light);
}

.about-profile-dl {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.about-profile-row {
    display: flex;
    gap: 24px;
    align-items: baseline;
}

.about-profile-row dt {
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--clr-ocean-mid);
    letter-spacing: 0.06em;
    min-width: 72px;
    flex-shrink: 0;
}

.about-profile-row dd {
    font-size: 0.94rem;
    color: var(--clr-text-main);
    font-weight: 500;
}

/* ─── Text Block ─── */
.about-page-text-block {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.about-page-text-block p {
    font-size: 0.92rem;
    line-height: 1.95;
    color: var(--clr-text-main);
}

/* ─── List ─── */
.about-page-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0;
    border: 1px solid #d0e8f5;
    border-radius: 8px;
    overflow: hidden;
}

.about-page-list li {
    font-size: 0.92rem;
    color: var(--clr-text-main);
    line-height: 1.7;
    padding: 12px 20px 12px 40px;
    position: relative;
    border-bottom: 1px solid #e8f4fb;
}

.about-page-list li:last-child {
    border-bottom: none;
}

.about-page-list li::before {
    content: "";
    position: absolute;
    left: 18px;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--clr-ocean-light);
}

/* ─── Value Cards ─── */
.about-value-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    align-items: stretch;
}

.about-value-card {
    background: var(--clr-foam);
    border-radius: 10px;
    padding: 20px 18px;
    border-top: 3px solid var(--clr-ocean-light);
    display: flex;
    flex-direction: column;
}

.about-value-title {
    font-family: var(--font-serif);
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--clr-ocean-deep);
    margin-bottom: 8px;
}

.about-value-desc {
    font-size: 0.84rem;
    line-height: 1.8;
    color: #2e5470;
}

/* ─── Notice Box ─── */
.about-notice-box {
    background: #fafcfe;
    border: 1px solid #c8e4f4;
    border-radius: 8px;
    padding: 24px 28px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.about-notice-box p {
    font-size: 0.88rem;
    line-height: 1.85;
    color: #2e5470;
}

/* ─── Contact Action ─── */
.about-page-section--last {
    padding-bottom: 0;
}

.about-contact-action {
    margin-top: 20px;
}

.btn-about-contact {
    display: inline-block;
    padding: 16px 44px;
    background: var(--clr-ocean-mid);
    color: var(--clr-white);
    text-decoration: none;
    border-radius: 6px;
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    transition: background 0.2s, box-shadow 0.2s, transform 0.15s;
}

.btn-about-contact:hover {
    background: var(--clr-ocean-deep);
    box-shadow: 0 3px 12px rgba(10, 61, 98, 0.2);
    transform: translateY(-1px);
}

/* ─── About Page Responsive ─── */
@media (max-width: 768px) {
    .page-hero {
        padding: 36px 24px 32px;
    }

    .page-hero-title {
        font-size: 1.5rem;
    }

    .about-page-inner {
        padding: 0 20px 64px;
    }

    .about-page-section {
        padding-top: 44px;
    }

    .about-profile-card {
        flex-direction: column;
        gap: 16px;
        padding: 24px;
    }

    .about-value-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 600px) {
    .about-page-inner,
    .shunt-content {
        padding: 0 20px 56px;
    }

    .breadcrumb-nav {
        margin-top: 14px;
        margin-bottom: 0;
        font-size: 0.85rem;
    }

    .about-page-section:first-of-type,
    .article-section:first-of-type {
        padding-top: 20px;
    }

    .about-page-section,
    .article-section {
        padding-top: 36px;
    }

    .about-page-heading {
        margin-bottom: 12px;
    }

    .about-page-text-block {
        gap: 12px;
    }

    .about-page-text-block p,
    .about-page-section > p,
    .article-section > p {
        font-size: 0.96rem;
        line-height: 1.9;
        margin-bottom: 0;
    }
}

/* ═══════════════════════════════
   DIALYSIS PAGE
═══════════════════════════════ */

/* ─── Lead Box ─── */
.dialysis-lead-box {
    margin-top: 24px;
    background: var(--clr-foam);
    border-left: 4px solid var(--clr-ocean-mid);
    border-radius: 0 8px 8px 0;
    padding: 18px 24px;
}

.dialysis-lead-box-text {
    font-size: 0.94rem;
    line-height: 1.85;
    color: var(--clr-ocean-deep);
    font-weight: 500;
}

/* ─── Point Grid ─── */
.dialysis-point-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-top: 24px;
}

.dialysis-point-card {
    background: var(--clr-foam);
    border-radius: 10px;
    padding: 20px;
    border-top: 3px solid var(--clr-ocean-light);
}

.dialysis-point-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--clr-ocean-mid);
    letter-spacing: 0.04em;
    margin-bottom: 12px;
}

.dialysis-point-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.dialysis-point-list li {
    font-size: 0.9rem;
    color: #1c2b3a;
    line-height: 1.6;
    padding-left: 16px;
    position: relative;
}

.dialysis-point-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.55em;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--clr-ocean-light);
}

/* ─── Flow ─── */
.dialysis-flow {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 28px;
    flex-wrap: wrap;
}

.dialysis-flow-step {
    flex: 1;
    min-width: 160px;
    background: var(--clr-foam);
    border-radius: 10px;
    padding: 20px 16px;
    text-align: center;
    border-bottom: 3px solid var(--clr-ocean-light);
}

.dialysis-flow-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--clr-ocean-mid);
    color: var(--clr-white);
    font-size: 0.8rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.dialysis-flow-text {
    font-size: 0.88rem;
    color: var(--clr-ocean-deep);
    font-weight: 500;
    line-height: 1.5;
}

.dialysis-flow-arrow {
    font-size: 1.2rem;
    color: var(--clr-ocean-light);
    flex-shrink: 0;
}

/* ─── Type Cards ─── */
.dialysis-type-intro {
    font-size: 0.9rem;
    color: #3a4e5c;
    line-height: 1.8;
    margin-bottom: 20px;
}

.dialysis-type-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.dialysis-type-card {
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid #d0e8f5;
    display: flex;
    flex-direction: column;
}

.dialysis-type-card-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
}

.dialysis-type-card--hd .dialysis-type-card-header {
    background: linear-gradient(135deg, var(--clr-ocean-deep), var(--clr-ocean-mid));
}

.dialysis-type-card--pd .dialysis-type-card-header {
    background: linear-gradient(135deg, #1a7a6e, #2ab0a0);
}

.dialysis-type-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    color: var(--clr-white);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    flex-shrink: 0;
}

.dialysis-type-name {
    font-family: var(--font-serif);
    font-size: 1rem;
    font-weight: 700;
    color: var(--clr-white);
}

.dialysis-type-desc {
    padding: 16px 20px;
    font-size: 0.87rem;
    line-height: 1.8;
    color: var(--clr-text-main);
    flex: 1;
}

.dialysis-type-link {
    display: block;
    padding: 12px 20px;
    font-size: 0.83rem;
    color: var(--clr-ocean-mid);
    text-decoration: none;
    font-weight: 500;
    border-top: 1px solid #e8f4fb;
    transition: color 0.2s, background 0.2s;
}

.dialysis-type-link:hover {
    color: var(--clr-ocean-deep);
    background: var(--clr-foam);
}

/* ─── Life Grid ─── */
.dialysis-life-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-top: 24px;
}

.dialysis-life-item {
    background: var(--clr-foam);
    border-radius: 10px;
    padding: 20px;
    border-left: 3px solid var(--clr-ocean-light);
}

.dialysis-life-title {
    font-family: var(--font-serif);
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--clr-ocean-deep);
    margin-bottom: 8px;
}

.dialysis-life-desc {
    font-size: 0.85rem;
    line-height: 1.8;
    color: #3a4e5c;
}

/* ─── Nav Cards ─── */
.dialysis-nav-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.dialysis-nav-card {
    display: flex;
    flex-direction: column;
    padding: 24px 20px;
    background: var(--clr-foam);
    border-radius: 12px;
    text-decoration: none;
    border: 1px solid #d0e8f5;
    transition: box-shadow 0.2s, transform 0.18s, border-color 0.2s;
}

.dialysis-nav-card:hover {
    box-shadow: 0 4px 16px rgba(10, 61, 98, 0.1);
    transform: translateY(-2px);
    border-color: var(--clr-ocean-light);
}

.dialysis-nav-label {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    color: var(--clr-ocean-mid);
    background: rgba(58, 160, 216, 0.12);
    border-radius: 4px;
    padding: 3px 8px;
    margin-bottom: 10px;
    align-self: flex-start;
}

.dialysis-nav-title {
    font-family: var(--font-serif);
    font-size: 1rem;
    font-weight: 700;
    color: var(--clr-ocean-deep);
    margin-bottom: 8px;
}

.dialysis-nav-desc {
    font-size: 0.83rem;
    line-height: 1.75;
    color: #3a4e5c;
}

/* ─── Dialysis Page Responsive ─── */
@media (max-width: 768px) {
    .dialysis-point-grid,
    .dialysis-type-grid,
    .dialysis-life-grid {
        grid-template-columns: 1fr;
    }

    .dialysis-nav-grid {
        grid-template-columns: 1fr;
    }

    .dialysis-flow {
        flex-direction: column;
        align-items: stretch;
    }

    .dialysis-flow-arrow {
        text-align: center;
        transform: rotate(90deg);
    }

    .dialysis-flow-step {
        min-width: unset;
    }
}

/* ═══════════════════════════════
   HD PAGE
═══════════════════════════════ */

/* ─── Section Lead ─── */
.hd-section-lead {
    font-size: 0.9rem;
    color: #3a4e5c;
    line-height: 1.8;
    margin-bottom: 4px;
}

/* ─── Stat Grid ─── */
.hd-stat-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 20px;
}

.hd-stat-card {
    background: var(--clr-white);
    border: 1px solid #d0e8f5;
    border-top: 3px solid var(--clr-ocean-mid);
    border-radius: 10px;
    padding: 22px 16px;
    text-align: center;
}

.hd-stat-value {
    font-family: var(--font-serif);
    font-size: 1.45rem;
    font-weight: 700;
    color: var(--clr-ocean-deep);
    margin-bottom: 6px;
    letter-spacing: 0.02em;
}

.hd-stat-label {
    font-size: 0.78rem;
    color: #3a4e5c;
    line-height: 1.5;
}

.hd-stat-note {
    margin-top: 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.hd-stat-note p {
    font-size: 0.92rem;
    line-height: 1.95;
    color: var(--clr-text-main);
}

/* ─── Feature Grid ─── */
.hd-feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    align-items: stretch;
}

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

.hd-feature-card {
    background: var(--clr-foam);
    border-radius: 10px;
    padding: 22px 20px;
    border-top: 3px solid var(--clr-ocean-light);
    display: flex;
    flex-direction: column;
}

.hd-feature-title {
    font-family: var(--font-serif);
    font-size: 0.93rem;
    font-weight: 700;
    color: var(--clr-ocean-deep);
    margin-bottom: 10px;
    line-height: 1.5;
}

.hd-feature-link {
    color: inherit;
    text-decoration: underline;
    text-decoration-color: rgba(26, 110, 168, 0.4);
    text-underline-offset: 3px;
    transition: color 0.2s;
}

.hd-feature-link:hover {
    color: var(--clr-ocean-mid);
    text-decoration-color: var(--clr-ocean-mid);
}

.hd-feature-desc {
    font-size: 0.85rem;
    line-height: 1.8;
    color: #3a4e5c;
    flex: 1;
}

/* ─── Life Note ─── */
.hd-life-note {
    margin-top: 20px;
    font-size: 0.87rem;
    line-height: 1.85;
    color: #3a4e5c;
    border-left: 3px solid var(--clr-ocean-light);
    padding-left: 16px;
}

/* ─── Method Cards ─── */
.hd-method-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}
.hd-method-card {
    background: var(--clr-white);
    border: 1px solid #d0e8f5;
    border-left: 4px solid var(--clr-ocean-mid);
    border-radius: 0 10px 10px 0;
    padding: 20px;
    display: flex;
    flex-direction: column;
}
.hd-method-badge {
    display: inline-block;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--clr-ocean-mid);
    background: rgba(26, 110, 168, 0.1);
    border-radius: 4px;
    padding: 3px 8px;
    margin-bottom: 10px;
    align-self: flex-start;
}
.hd-method-title {
    font-family: var(--font-serif);
    font-size: 0.97rem;
    font-weight: 700;
    color: var(--clr-ocean-deep);
    margin-bottom: 8px;
}
.hd-method-desc {
    font-size: 0.86rem;
    line-height: 1.8;
    color: #3a4e5c;
    flex: 1;
}
.hd-method-note {
    margin-top: 10px;
    font-size: 0.78rem;
    color: var(--clr-ocean-mid);
    line-height: 1.6;
}
.hd-method-transition {
    margin-top: 24px;
}

/* ─── Shunt Inline CTA ─── */
.hd-shunt-cta {
    margin-top: 24px;
    display: flex;
    align-items: center;
    gap: 24px;
    background: var(--clr-foam);
    border: 1px solid #c3dff0;
    border-radius: 10px;
    padding: 20px 24px;
}

.hd-shunt-cta-text {
    flex: 1;
}

.hd-shunt-cta-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--clr-ocean-deep);
    margin-bottom: 6px;
}

.hd-shunt-cta-desc {
    font-size: 0.88rem;
    line-height: 1.75;
    color: var(--clr-text-main);
}

.hd-shunt-cta-btn {
    flex-shrink: 0;
    display: inline-block;
    background: var(--clr-ocean-mid);
    color: #fff;
    font-size: 0.85rem;
    font-weight: 500;
    text-decoration: none;
    padding: 10px 18px;
    border-radius: 6px;
    white-space: nowrap;
    transition: background 0.2s;
}

.hd-shunt-cta-btn:hover {
    background: var(--clr-ocean-deep);
}

/* ─── HD Responsive ─── */
@media (max-width: 768px) {
    .hd-stat-grid,
    .hd-feature-grid,
    .hd-feature-grid--four,
    .hd-method-grid {
        grid-template-columns: 1fr;
    }

    .hd-shunt-cta {
        flex-direction: column;
        align-items: stretch;
    }

    .hd-shunt-cta-btn {
        text-align: center;
        white-space: normal;
    }
}

/* ═══════════════════════════════
   SITEMAP PAGE
═══════════════════════════════ */

.sitemap-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    align-items: start;
}

.sitemap-category-heading {
    font-family: var(--font-serif);
    font-size: 1rem;
    font-weight: 700;
    color: var(--clr-ocean-deep);
    border-bottom: 2px solid var(--clr-ocean-light);
    padding-bottom: 10px;
    margin-bottom: 4px;
}

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

.sitemap-item {
    padding: 14px 0;
    border-bottom: 1px solid #e0ecf4;
}

.sitemap-item:last-child {
    border-bottom: none;
}

.sitemap-item--child {
    padding-left: 16px;
    border-left: 3px solid var(--clr-ocean);
    margin-left: 8px;
    background: #f7fbff;
}

.sitemap-item--soon {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
}

.sitemap-item--soon .sitemap-item-desc {
    width: 100%;
}

.sitemap-item-link {
    display: inline-block;
    font-size: 0.93rem;
    font-weight: 500;
    color: var(--clr-ocean-mid);
    text-decoration: none;
    margin-bottom: 4px;
    transition: color 0.15s;
}

.sitemap-item-link:hover {
    color: var(--clr-ocean-deep);
    text-decoration: underline;
}

.sitemap-item-link--soon {
    color: #8aa0b0;
    cursor: default;
    margin-bottom: 0;
}

.sitemap-badge-soon {
    display: inline-block;
    font-size: 0.68rem;
    font-weight: 700;
    color: #7a8fa0;
    background: #e8f0f5;
    border-radius: 4px;
    padding: 2px 8px;
    letter-spacing: 0.04em;
}

.sitemap-item-desc {
    font-size: 0.83rem;
    line-height: 1.7;
    color: #5a6a78;
    margin-top: 2px;
}

/* ─── Sitemap Responsive ─── */
@media (max-width: 768px) {
    .sitemap-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

/* ═══════════════════════════════
   PRIVACY PAGE
═══════════════════════════════ */

.privacy-meta {
    text-align: right;
    font-size: 0.8rem;
    color: #7a8fa0;
    margin-bottom: -16px;
    padding: 0 4px;
}

.privacy-list {
    margin: 12px 0 0;
    padding-left: 1.4em;
    list-style: disc;
}

.privacy-list li {
    font-size: 0.9rem;
    line-height: 1.9;
    color: #3a4e5c;
}

.privacy-item-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 12px;
}

.privacy-item {
    background: var(--clr-foam);
    border-left: 3px solid var(--clr-ocean-light);
    border-radius: 0 6px 6px 0;
    padding: 14px 18px;
}

.privacy-item-title {
    font-size: 0.87rem;
    font-weight: 700;
    color: var(--clr-ocean-deep);
    margin-bottom: 4px;
}

.privacy-item-body {
    font-size: 0.86rem;
    line-height: 1.8;
    color: #3a4e5c;
}

.privacy-external-link,
.privacy-internal-link {
    color: var(--clr-ocean-mid);
    text-decoration: underline;
}

.privacy-external-link:hover,
.privacy-internal-link:hover {
    color: var(--clr-ocean-deep);
}

.privacy-lead-link {
    color: var(--clr-ocean-mid);
    text-decoration: underline;
}

.privacy-lead-link:hover {
    color: var(--clr-ocean-deep);
}

/* ═══════════════════════════════
   CONTACT PAGE
═══════════════════════════════ */

/* ─── Honeypot（スパム対策：通常ユーザーには非表示） ─── */
.hp-field {
    position: absolute;
    left: -9999px;
    top: auto;
    width: 1px;
    height: 1px;
    overflow: hidden;
    opacity: 0;
    pointer-events: none;
}

/* ─── Notice Box ─── */
.contact-notice {
    background: #fff8e6;
    border: 1px solid #f0c040;
    border-left: 4px solid #e6a800;
    border-radius: 0 8px 8px 0;
    padding: 20px 22px;
    margin-top: 24px;
}

.contact-notice-title {
    font-family: var(--font-serif);
    font-size: 0.93rem;
    font-weight: 700;
    color: #7a5000;
    margin-bottom: 8px;
}

.contact-notice-body {
    font-size: 0.86rem;
    line-height: 1.8;
    color: #5a3c00;
}

/* ─── Scope Grid ─── */
.contact-scope-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-top: 4px;
}

.contact-scope-card {
    border-radius: 10px;
    padding: 20px 22px;
    display: flex;
    flex-direction: column;
}

.contact-scope-card--accept {
    background: var(--clr-foam);
    border: 1px solid #b8ddf0;
}

.contact-scope-card--reject {
    background: #fdf3f3;
    border: 1px solid #f0c0c0;
}

.contact-scope-label {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    margin-bottom: 12px;
    padding: 3px 10px;
    border-radius: 4px;
    display: inline-block;
}

.contact-scope-label--accept {
    color: var(--clr-ocean-mid);
    background: rgba(26, 110, 168, 0.1);
}

.contact-scope-label--reject {
    color: #b03030;
    background: rgba(176, 48, 48, 0.08);
}

.contact-scope-list {
    margin: 0;
    padding-left: 1.2em;
    list-style: disc;
}

.contact-scope-list li {
    font-size: 0.86rem;
    line-height: 1.8;
    color: #3a4e5c;
}

/* ─── Error Message ─── */
.contact-error {
    background: #fdf3f3;
    border: 1px solid #f0a0a0;
    border-left: 4px solid #c0392b;
    border-radius: 0 8px 8px 0;
    padding: 16px 20px;
    margin-bottom: 28px;
    font-size: 0.9rem;
    color: #8b1a1a;
    line-height: 1.7;
}

/* ─── Privacy Link ─── */
.contact-privacy-link {
    color: var(--clr-ocean-mid);
    text-decoration: underline;
}

.contact-privacy-link:hover {
    color: var(--clr-ocean-deep);
}

/* ─── Success Message ─── */
.contact-success {
    background: #edf7f0;
    border: 1px solid #7cc89a;
    border-left: 4px solid #2e9a5c;
    border-radius: 0 8px 8px 0;
    padding: 16px 20px;
    margin-bottom: 28px;
    font-size: 0.9rem;
    color: #1a5c35;
    line-height: 1.7;
}

/* ─── Form ─── */
.contact-form {
    max-width: 640px;
}

.contact-form-group {
    margin-bottom: 24px;
}

.contact-form-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--clr-text-main);
    margin-bottom: 8px;
}

.contact-form-required {
    font-size: 0.68rem;
    font-weight: 700;
    color: #fff;
    background: #b03030;
    border-radius: 3px;
    padding: 2px 6px;
}

.contact-form-optional {
    font-size: 0.68rem;
    font-weight: 700;
    color: #666;
    background: #e8e8e8;
    border-radius: 3px;
    padding: 2px 6px;
}

.contact-form-input,
.contact-form-select,
.contact-form-textarea {
    display: block;
    width: 100%;
    padding: 10px 14px;
    font-size: 0.9rem;
    font-family: var(--font-sans);
    color: var(--clr-text-main);
    background: #fff;
    border: 1px solid #c8d8e4;
    border-radius: 6px;
    transition: border-color 0.2s;
    box-sizing: border-box;
}

.contact-form-input:focus,
.contact-form-select:focus,
.contact-form-textarea:focus {
    outline: none;
    border-color: var(--clr-ocean-mid);
    box-shadow: 0 0 0 3px rgba(26, 110, 168, 0.12);
}

.contact-form-input.is-error,
.contact-form-select.is-error,
.contact-form-textarea.is-error {
    border-color: #c0392b;
}

.contact-form-textarea {
    resize: vertical;
    min-height: 160px;
    line-height: 1.7;
}

.contact-form-error {
    margin-top: 6px;
    font-size: 0.8rem;
    color: #c0392b;
}

.contact-form-checkbox {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.88rem;
    color: var(--clr-text-main);
    cursor: pointer;
}

.contact-form-checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--clr-ocean-mid);
    flex-shrink: 0;
}

.contact-form-submit-note {
    font-size: 0.82rem;
    color: #5a6a78;
    margin-bottom: 14px;
    line-height: 1.6;
}

.contact-form-submit-wrap {
    margin-top: 28px;
}

.contact-form-submit {
    display: inline-block;
    padding: 14px 48px;
    font-size: 0.95rem;
    font-weight: 700;
    font-family: var(--font-sans);
    color: #fff;
    background: var(--clr-ocean-mid);
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.2s, transform 0.15s;
}

.contact-form-submit:hover {
    background: var(--clr-ocean-deep);
    transform: translateY(-1px);
}

/* ─── Contact Responsive ─── */
@media (max-width: 768px) {
    .contact-scope-grid {
        grid-template-columns: 1fr;
    }

    .contact-form {
        max-width: 100%;
    }

    .contact-form-submit {
        width: 100%;
        text-align: center;
    }
}

/* ═══════════════════════════════
   PD PAGE
═══════════════════════════════ */

/* ─── Method Cards ─── */
.pd-method-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.pd-method-card {
    background: var(--clr-white);
    border: 1px solid #d0e8f5;
    border-left: 4px solid var(--clr-ocean-mid);
    border-radius: 0 10px 10px 0;
    padding: 20px;
    display: flex;
    flex-direction: column;
}

.pd-method-badge {
    display: inline-block;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--clr-ocean-mid);
    background: rgba(26, 110, 168, 0.1);
    border-radius: 4px;
    padding: 3px 8px;
    margin-bottom: 10px;
    align-self: flex-start;
}

.pd-method-title {
    font-family: var(--font-serif);
    font-size: 0.97rem;
    font-weight: 700;
    color: var(--clr-ocean-deep);
    margin-bottom: 8px;
}

.pd-method-desc {
    font-size: 0.86rem;
    line-height: 1.8;
    color: #3a4e5c;
    flex: 1;
}

.pd-method-note {
    margin-top: 10px;
    font-size: 0.78rem;
    color: var(--clr-ocean-mid);
    line-height: 1.6;
}

/* ─── Who Grid ─── */
.pd-who-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-top: 20px;
}

.pd-who-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    background: var(--clr-foam);
    border-radius: 8px;
    padding: 14px 16px;
}

.pd-who-icon {
    color: var(--clr-ocean-mid);
    font-weight: 700;
    font-size: 0.95rem;
    flex-shrink: 0;
    margin-top: 1px;
}

.pd-who-text {
    font-size: 0.87rem;
    line-height: 1.75;
    color: var(--clr-text-main);
}

/* ─── Compare Table ─── */
.pd-compare-wrap {
    overflow-x: auto;
    margin-top: 24px;
    border-radius: 10px;
    border: 1px solid #d0e8f5;
}

.pd-compare-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.87rem;
}

.pd-compare-th {
    padding: 12px 16px;
    font-family: var(--font-serif);
    font-size: 0.85rem;
    font-weight: 700;
    text-align: center;
    border-bottom: 2px solid #d0e8f5;
}

.pd-compare-th--item {
    background: var(--clr-foam);
    color: var(--clr-ocean-deep);
    text-align: left;
    width: 22%;
}

.pd-compare-th--pd {
    background: var(--clr-ocean-mid);
    color: #fff;
    width: 39%;
}

.pd-compare-th--hd {
    background: var(--clr-ocean-deep);
    color: #fff;
    width: 39%;
}

.pd-compare-td {
    padding: 12px 16px;
    border-bottom: 1px solid #e4f0f8;
    line-height: 1.7;
    color: #3a4e5c;
    vertical-align: top;
}

.pd-compare-td--item {
    font-weight: 600;
    color: var(--clr-ocean-deep);
    background: var(--clr-foam);
    font-size: 0.83rem;
}

.pd-compare-table tbody tr:last-child td {
    border-bottom: none;
}

.pd-compare-table tbody tr:nth-child(even) td:not(.pd-compare-td--item) {
    background: #fafcfe;
}

/* ─── Decision Grid spacing ─── */
.pd-decision-grid {
    margin-top: 24px;
}

/* ─── PD Responsive ─── */
@media (max-width: 768px) {
    .pd-method-grid,
    .pd-who-grid {
        grid-template-columns: 1fr;
    }

    .pd-compare-th,
    .pd-compare-td {
        padding: 10px 12px;
    }
}

/* ═══════════════════════════════
   MAIN RESPONSIVE
═══════════════════════════════ */
@media (max-width: 768px) {
    .section-inner {
        padding: 60px 24px;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .hero {
        padding: 40px 20px;
    }

    .hero-title {
        font-size: 1.65rem;
    }

    .about-grid {
        grid-template-columns: 1fr;
    }

    .compare-grid {
        grid-template-columns: 1fr;
    }

    .recommend-grid {
        grid-template-columns: 1fr;
    }

    .author-card {
        flex-direction: column;
        gap: 20px;
        padding: 32px 24px;
    }

    .cta-title {
        font-size: 1.4rem;
    }
}


/* ─────────────────────────────────────────
   BREADCRUMB
───────────────────────────────────────── */
.breadcrumb-wrap {
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 32px;
}

.breadcrumb-nav {
  margin-top: 18px;
  margin-bottom: 0;
}

.breadcrumb-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.2rem 0.25rem;
  font-size: 0.78rem;
  color: #999;
  margin: 0;
  padding: 0;
}

.breadcrumb-link {
  color: #1a6ea8;
  text-decoration: none;
}

.breadcrumb-link:hover {
  text-decoration: underline;
}

.breadcrumb-item--current {
  color: #666;
}

.breadcrumb-sep {
  color: #ccc;
  font-size: 0.75rem;
  line-height: 1;
}

@media (max-width: 600px) {
  .breadcrumb-wrap {
    padding: 0 20px;
  }
}


/* ─────────────────────────────────────────
   SHUNT PAGE
───────────────────────────────────────── */
.shunt-content {
    max-width: 760px;
    margin: 0 auto;
    padding: 0 32px 80px;
}

.shunt-caution-box {
    background: #fff8f8;
    border: 1.5px solid #e8c0c0;
    border-radius: 10px;
    padding: 24px 28px;
    margin-top: 28px;
}

.shunt-caution-heading {
    font-size: 0.95rem;
    font-weight: 700;
    color: #c0392b;
    margin: 0 0 10px;
    line-height: 1.6;
}

.shunt-caution-text {
    font-size: 0.9rem;
    line-height: 1.85;
    color: #444;
    margin: 0;
}

.shunt-signs-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-top: 24px;
}

.shunt-sign-item {
    background: #f7fbff;
    border: 1px solid #cce0f5;
    border-radius: 10px;
    padding: 20px 20px 18px;
}

.shunt-sign-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 10px;
}

.shunt-sign-num {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: #1a6ea8;
    color: #fff;
    font-size: 0.9rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
}

.shunt-sign-label {
    display: block;
    font-size: 0.72rem;
    color: #888;
    margin-bottom: 2px;
}

.shunt-sign-title {
    font-size: 1rem;
    font-weight: 600;
    color: #1a3a5c;
    margin: 0;
}

.shunt-sign-desc {
    font-size: 0.875rem;
    line-height: 1.8;
    color: #555;
    margin: 0;
}

.shunt-consult-list {
    list-style: none;
    padding: 0;
    margin-top: 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.shunt-consult-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 0.9rem;
    line-height: 1.7;
    padding: 12px 16px;
    background: #fff4f4;
    border-left: 3px solid #d9534f;
    border-radius: 0 6px 6px 0;
    color: #333;
}

.shunt-consult-list li::before {
    content: "!";
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    background: #d9534f;
    color: #fff;
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 1px;
}

.shunt-checklist {
    list-style: none;
    padding: 0;
    margin-top: 20px;
    display: flex;
    flex-direction: column;
    gap: 0;
}

.shunt-checklist li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 0.9rem;
    line-height: 1.7;
    padding: 13px 4px;
    border-bottom: 1px solid #d8ecf7;
    color: #333;
}

.shunt-checklist li:first-child {
    border-top: 1px solid #d8ecf7;
}

.shunt-checklist li::before {
    content: "✓";
    flex-shrink: 0;
    color: #1a6ea8;
    font-weight: 700;
    margin-top: 1px;
}

.faq-question:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px rgba(43, 150, 210, 0.18);
}

@media (max-width: 600px) {
    .shunt-signs-grid {
        grid-template-columns: 1fr;
    }

    .shunt-caution-box {
        padding: 20px;
    }
}

/* redeploy css 20260428 */

/* -----------------------------------------
   ARTERY PAGE
----------------------------------------- */
.artery-content {
    max-width: 760px;
    margin: 0 auto;
    padding: 0 32px 80px;
}

/* Notice Box */
.artery-notice-box {
    background: #f0f7ff;
    border: 1.5px solid #aacfed;
    border-radius: 10px;
    padding: 24px 28px;
    margin-top: 24px;
}

.artery-notice-heading {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--clr-ocean-deep);
    margin-bottom: 14px;
    line-height: 1.6;
}

.artery-notice-list {
    list-style: none;
    padding: 0;
    margin: 0 0 14px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.artery-notice-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.9rem;
    line-height: 1.75;
    color: #1c2b3a;
}

.artery-notice-list li::before {
    content: "\25B8";
    flex-shrink: 0;
    color: var(--clr-ocean-mid);
    font-size: 0.85rem;
    margin-top: 1px;
}

.artery-notice-note {
    font-size: 0.85rem;
    color: #5a7a94;
    line-height: 1.75;
    margin: 0;
    border-top: 1px solid #cde0f0;
    padding-top: 12px;
}

/* Compare Grid */
.artery-compare-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 24px;
}

.artery-compare-card {
    background: #f7fbff;
    border: 1.5px solid #cce0f5;
    border-radius: 10px;
    padding: 22px 22px 18px;
}

.artery-compare-card--highlight {
    background: #ebf5ff;
    border-color: var(--clr-ocean-mid);
}

.artery-compare-label {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--clr-ocean-deep);
    margin-bottom: 14px;
    padding-bottom: 10px;
    border-bottom: 1px solid #cce0f5;
}

.artery-compare-card--highlight .artery-compare-label {
    color: var(--clr-ocean-mid);
    border-bottom-color: #aacfed;
}

.artery-compare-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.artery-compare-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.875rem;
    line-height: 1.75;
    color: #333;
}

.artery-compare-list li::before {
    content: "\2022";
    flex-shrink: 0;
    color: var(--clr-ocean-mid);
    font-size: 1rem;
    margin-top: -1px;
}

/* Point Box */
.artery-point-box {
    background: #fffbf0;
    border: 1.5px solid #e8cc80;
    border-radius: 10px;
    padding: 20px 24px;
    margin-top: 28px;
    margin-bottom: 4px;
}

.artery-point-heading {
    font-size: 0.95rem;
    font-weight: 700;
    color: #7a5200;
    margin-bottom: 8px;
    line-height: 1.6;
}

.artery-point-text {
    font-size: 0.9rem;
    line-height: 1.85;
    color: #444;
    margin: 0;
}

.hd-feature-link {
    color: inherit;
    text-decoration: underline;
    text-decoration-color: rgba(26, 110, 168, 0.4);
    text-underline-offset: 3px;
    transition: color 0.2s;
}

.hd-feature-link:hover {
    color: var(--clr-ocean-mid);
    text-decoration-color: var(--clr-ocean-mid);
}

@media (max-width: 600px) {
    .artery-content {
        padding: 0 20px 56px;
    }

    .artery-compare-grid {
        grid-template-columns: 1fr;
    }
}