:root {
    --bg: #0a0e1a;
    --card: #1a1f3acc;
    --fg: #e8edf4;
    --muted: #a0a8ba;
    --accent: #00d9ff;
    --accent-2: #b794f6;
    --accent-3: #ff6b9d;
    --accent-4: #7ec3f8;
    --ring-size: clamp(380px, 65vw, 700px);
    --btn-size: clamp(90px, 15vw, 150px);
    --radius: calc(var(--ring-size) / 2 - var(--btn-size) / 2 - 12px);
    --maxw: 1080px;
    --sidebar-width: 280px;
    --glow-diameter: calc(var(--ring-size) - var(--btn-size) - 24px);
    --glow-shrink: 80px;
    --accent-rgb: 0,217,255;
    --accent2-rgb: 183,148,246;
    --accent3-rgb: 255,107,157;
    --fg-rgb: 232,237,244;
    --card-rgb: 26,31,58;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body { height: 100%; }

body {
    font: 16px/1.7 system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial, "Noto Sans JP";
    color: var(--fg);
    background: var(--bg);
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow-x: hidden;
}

body::before {
    content: "";
    position: fixed;
    inset: -50px;
    background:
        radial-gradient(circle at 20% 30%, rgba(0, 217, 255, .15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(183, 148, 246, .15) 0%, transparent 50%),
        radial-gradient(circle at 50% 80%, rgba(255, 107, 157, .12) 0%, transparent 50%),
        radial-gradient(circle at 10% 90%, rgba(0, 217, 255, .1) 0%, transparent 40%);
    animation: bgShift 20s ease-in-out infinite alternate;
    z-index: 0;
    pointer-events: none;
    will-change: transform;
}

@keyframes bgShift {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(30px, -30px) scale(1.05); }
}

.keep-words { word-break: keep-all; overflow-wrap: anywhere; line-break: strict; }

.top-banner {
    position: relative;
    z-index: 200;
    background: linear-gradient(135deg,
            color-mix(in oklab, var(--accent-4) 85%, transparent),
            color-mix(in oklab, var(--accent-2) 85%, transparent));
    backdrop-filter: blur(12px) saturate(150%);
    -webkit-backdrop-filter: blur(12px) saturate(150%);
    padding: 5px 24px;
    text-align: center;
}

.top-banner p {
    color: #fff;
    font-size: clamp(9.5px, 2vw, 16px);
    font-weight: 600;
    letter-spacing: .08em;
    text-shadow: 0 2px 8px rgba(0, 0, 0, .3);
}

.particles { position: fixed; inset: 0; z-index: 1; pointer-events: none; overflow: hidden; }

.particle {
    position: absolute;
    width: 3px;
    height: 3px;
    background: var(--accent);
    border-radius: 50%;
    opacity: 0;
    animation: float 15s linear infinite;
    box-shadow: 0 0 10px var(--accent);
}

@keyframes float {
    0% { transform: translateY(100vh) translateX(0) scale(0); opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { transform: translateY(-100vh) translateX(100px) scale(1); opacity: 0; }
}

.sidebar {
    position: fixed;
    left: 0; top: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: linear-gradient(135deg,
            color-mix(in oklab, var(--card) 98%, transparent),
            color-mix(in oklab, var(--card) 88%, transparent));
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-right: 1px solid color-mix(in oklab, var(--accent) 15%, transparent);
    padding: 80px 24px;
    z-index: 100;
    overflow-y: auto;
    box-shadow: 4px 0 32px rgba(0, 0, 0, .3);
    transition: transform .4s cubic-bezier(.34, 1.56, .64, 1);
    transform: translateX(-100%);
}

.sidebar.open { transform: translateX(0); }

.sidebar h3 {
    font-size: 22px;
    text-align: center;
    margin-bottom: 20px;
    background: linear-gradient(120deg, var(--accent), var(--accent-2));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.sidebar-nav, .sidebar-nav2 {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.sidebar-nav a {
    display: block;
    padding: 12px 16px;
    color: var(--fg);
    text-decoration: none;
    border-radius: 12px;
    background: color-mix(in oklab, var(--card) 60%, transparent);
    border: 1px solid color-mix(in oklab, var(--accent) 10%, transparent);
    transition: all .3s ease;
    font-size: 15px;
}

.sidebar-nav a:hover {
    background: color-mix(in oklab, var(--card) 90%, transparent);
    border-color: var(--accent);
    transform: translateX(4px);
    box-shadow: 0 4px 16px rgba(0, 217, 255, .2);
}

.sidebar-nav2 a {
    display: block;
    margin-top: 20px;
    padding: 12px 16px;
    color: var(--fg);
    text-decoration: none;
    border-radius: 12px;
    background: color-mix(in oklab, var(--accent-4) 20%, transparent);
    border: 1px solid color-mix(in oklab, var(--fg) 50%, transparent);
    transition: all .3s ease;
    font-size: 15px;
    font-weight: 600;
    text-align: center;
}

.sidebar-nav2 a:hover {
    background: color-mix(in oklab, var(--accent) 70%, transparent);
    border-color: var(--fg);
    transform: translateX(4px);
    box-shadow: 0 4px 16px rgba(0, 217, 255, .2);
}

.menu-toggle {
    display: flex;
    position: fixed;
    top: 50px; left: 20px;
    width: 50px; height: 50px;
    background: linear-gradient(135deg,
            color-mix(in oklab, var(--card) 95%, transparent),
            color-mix(in oklab, var(--card) 85%, transparent));
    border: 2px solid color-mix(in oklab, var(--accent) 20%, transparent);
    border-radius: 12px;
    z-index: 101;
    cursor: pointer;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, .3);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    transition: opacity .3s ease;
}

.menu-toggle:hover { border-color: var(--accent); box-shadow: 0 4px 20px rgba(0, 217, 255, .4); }

.menu-toggle span {
    width: 24px; height: 2px;
    background: var(--fg);
    border-radius: 2px;
    transition: all .3s ease;
}

.menu-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(6px, -6px); }

.menu-toggle.is-idle { opacity: .25; }
.menu-toggle:hover, .menu-toggle:focus-visible, .menu-toggle.active { opacity: 1; }

.content-wrapper { position: relative; z-index: 2; margin-left: 0; transition: margin-left .4s ease; }
body.sidebar-open .content-wrapper { margin-left: var(--sidebar-width); }

header {
    width: 100%;
    max-width: var(--maxw);
    margin: 48px auto 16px;
    padding: 0 24px;
}

.logo-header {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    justify-items: center;
    row-gap: 1px;
    margin-bottom: 30px;
    width: clamp(300px, 70%, 720px);
    margin-inline: auto;
}

.logo-header .hospital-name { text-align: center; }
.logo-header img { flex: 0 0 auto; display: block; margin-inline: 0; }

.hospital-name {
    font-family: "Times New Roman", "Yu Mincho", "YuMincho", serif;
    font-size: clamp(18px, 3vw, 28px);
    line-height: 1.6;
    color: var(--fg);
    font-weight: 800;
    letter-spacing: .05em;
}

.brand {
    letter-spacing: .08em;
    font-weight: 900;
    font-size: clamp(20px, 8.5vw, 64px);
    line-height: 1.1;
    margin: 0 0 12px;
    text-align: center;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 50%, var(--accent-3) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    animation: gradientShift 8s ease infinite;
    background-size: 200% 200%;
    filter: drop-shadow(0 2px 8px rgba(0, 217, 255, .3));
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.tagline {
    text-align: center;
    color: var(--fg);
    margin: 0 0 32px;
    font-size: clamp(17px, 4vw, 30px);
    opacity: 0;
    animation: fadeInUp 1s ease .3s forwards;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

main {
    flex: 1 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding: 0px 16px 0px;
}

.intro-section {
    width: 95%;
    max-width: var(--maxw);
    margin: 0 auto 30px;
    padding: 0;
    opacity: 0;
    animation: fadeInUp .8s ease .25s forwards;
}

.intro-card {
    border-radius: 24px;
    padding: 20px;
    background: rgba(255, 255, 255, .15);
    backdrop-filter: blur(12px) saturate(150%);
    -webkit-backdrop-filter: blur(12px) saturate(150%);
    box-shadow:
        0 12px 48px rgba(0, 0, 0, .3),
        0 0 60px rgba(0, 217, 255, .15);
    transition: all .6s cubic-bezier(.34, 1.56, .64, 1);
    position: relative;
    border: 2px solid transparent;
}

.intro-card::before {
    content: "";
    position: absolute;
    inset: 0;
    padding: 1.5px;
    border-radius: inherit;
    background: linear-gradient(135deg, var(--accent-4) 0%, var(--fg) 50%, var(--accent-4) 100%);
    background-size: 200% 200%;
    background-position: 0% 50%;
    -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
    animation: introBorderShift 8s ease-in-out infinite;
}

@keyframes introBorderShift {
    0%, 100% { background-position: 0 0, 0% 50%; }
    50% { background-position: 0 0, 100% 50%; }
}

.intro-card p {
    color: var(--fg);
    line-height: 1.9;
    font-size: clamp(13px, 3vw, 17px);
}

.center-mark {
    position: absolute;
    left: 50%; top: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    flex-direction: column;
    align-items: center; justify-content: center;
    text-align: center;
    padding: 20px;
    color: var(--fg);
    font-weight: 800;
    letter-spacing: .05em;
    line-height: 1.3;
    pointer-events: none;
    filter: drop-shadow(0 4px 12px rgba(0, 0, 0, .4));
    z-index: 3;
}

.center-mark::before {
    content: "";
    position: absolute;
    left: 50%; top: 50%;
    transform: translate(-50%, -50%);
    width: calc(var(--glow-diameter) - var(--glow-shrink));
    height: calc(var(--glow-diameter) - var(--glow-shrink));
    border-radius: 50%;
    background: radial-gradient(circle,
            rgba(255, 255, 255, .45) 0%,
            rgba(255, 255, 255, .28) 28%,
            rgba(255, 255, 255, .12) 52%,
            rgba(255, 255, 255, .06) 68%,
            rgba(255, 255, 255, 0) 100%,
            transparent 80%);
    filter: blur(10px) saturate(120%) brightness(115%);
    opacity: .5;
    pointer-events: none;
    z-index: -1;
    animation: glowPulse 7s ease-in-out infinite;
}

.center-mark .title-line1 { font-size: clamp(22px, 3vw, 35px); margin-bottom: 6px; opacity: .95; }

.center-mark .title-line2 {
    font-size: clamp(30px, 5vw, 55px);
    background: linear-gradient(120deg, var(--accent), var(--accent-2));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-shadow: 0 0 40px rgba(0, 217, 255, .3);
}

@keyframes glowPulse {
    0%, 100% { transform: translate(-50%, -50%) scale(.9); opacity: .2; }
    50% { transform: translate(-50%, -50%) scale(1); opacity: .4; }
}

.ring-wrap {
    width: 100%;
    max-width: var(--ring-size);
    margin: 0 auto;
    opacity: 0;
    animation: fadeInScale 1s ease .5s forwards;
    position: relative;
}

@keyframes fadeInScale { from { opacity: 0; transform: scale(.9); } to { opacity: 1; transform: scale(1); } }

.ring-nav { position: relative; width: var(--ring-size); height: var(--ring-size); margin: 0 auto; transform: translateX(-60px); }

.ring-container {
    position: relative; width: 100%; height: 100%;
    border-radius: 50%;
    background: transparent;
    cursor: default; user-select: none; touch-action: none;
    overflow: visible;
}

.ring-container.dragging { cursor: grabbing; }

.ring {
    list-style: none;
    width: 100%; height: 100%;
    position: relative;
    transition: transform .5s cubic-bezier(.34, 1.56, .64, 1);
}

.ring li {
    position: absolute;
    left: 50%; top: 50%;
    width: var(--btn-size); height: var(--btn-size);
    margin-left: calc(var(--btn-size) / -2);
    margin-top: calc(var(--btn-size) / -2);
    transition: all .5s cubic-bezier(.34, 1.56, .64, 1);
    animation: ringItemAppear .6s ease calc(var(--i) * .1s) backwards;
    transform: translate(var(--tx, 0), var(--ty, 0));
    will-change: transform;
}

.ring a {
    display: grid; place-items: center;
    width: 100%; height: 100%;
    border-radius: 50%;
    text-decoration: none;
    color: var(--fg);
    background: linear-gradient(135deg,
            color-mix(in oklab, var(--card) 95%, transparent),
            color-mix(in oklab, var(--card) 85%, transparent));
    border: 2px solid color-mix(in oklab, var(--accent) 20%, transparent);
    backdrop-filter: blur(16px) saturate(180%);
    -webkit-backdrop-filter: blur(16px) saturate(180%);
    font-weight: 700;
    font-size: clamp(13px, 2.6vw, 16px);
    letter-spacing: .03em;
    text-align: center;
    padding: 8px;
    box-shadow:
        0 4px 20px rgba(0, 0, 0, .3),
        inset 0 1px 0 rgba(255, 255, 255, .1);
    transition: all .4s cubic-bezier(.34, 1.56, .64, 1);
    position: relative; overflow: hidden; pointer-events: all;
    transform: rotate(var(--rot, 0deg));
    transform-origin: center;
}

.ring a::before {
    content: "";
    position: absolute; inset: 0;
    background: radial-gradient(circle at center, var(--accent) 0%, transparent 70%);
    opacity: 0; transition: opacity .4s ease;
}

.ring a:hover, .ring a:focus-visible {
    transform: rotate(var(--rot, 0deg)) scale(1.08);
    border-color: var(--accent);
    box-shadow:
        0 12px 40px rgba(0, 217, 255, .4),
        0 0 60px rgba(0, 217, 255, .2),
        inset 0 1px 0 rgba(255, 255, 255, .2);
    outline: none;
}

.ring a:hover::before { opacity: .15; }

.ring a span {
    font-size: clamp(11px, 2vw, 18px);
    color: var(--fg);
    font-weight: 600;
    opacity: .75;
    transition: opacity .3s ease;
}

.ring a:hover span { opacity: 1; }

.ring li.active a {
    border-color: var(--accent);
    box-shadow:
        0 16px 50px rgba(0, 217, 255, .5),
        0 0 80px rgba(0, 217, 255, .3),
        inset 0 2px 0 rgba(255, 255, 255, .3);
    transform: rotate(var(--rot, 0deg)) scale(1.5) translateX(30px);
}

.ring li.active a::before { opacity: .25; }

.ring li.active::after {
    content: "◀";
    position: absolute;
    top: 50%; right: calc(-100% + 20px);
    transform: translateY(-50%);
    font-size: clamp(25px, 4vw, 30px);
    color: var(--accent);
    filter: drop-shadow(0 0 10px rgba(0, 217, 255, .7));
    animation: bounce 1.6s ease-in-out infinite;
    pointer-events: none;
}

@keyframes bounce { 0%,100%{transform: translateY(-50%) translateX(0);} 50%{transform: translateY(-60%) translateX(-4px);} }

.rotate-hint { display: none; }

.menu-section { max-width: 1280px; padding: 30px; }

.detail-card {
    width: 90%; max-width: var(--maxw);
    margin: 40px auto;
    border-radius: 24px;
    padding: 30px;
    background: linear-gradient(135deg,
            color-mix(in oklab, var(--card) 100%, transparent),
            color-mix(in oklab, var(--card) 90%, transparent));
    border: 2px solid color-mix(in oklab, var(--accent) 25%, transparent);
    backdrop-filter: blur(12px) saturate(150%);
    -webkit-backdrop-filter: blur(12px) saturate(150%);
    box-shadow:
        0 12px 48px rgba(0, 0, 0, .3),
        0 0 60px rgba(0, 217, 255, .15);
    opacity: 0;
    transform: translateY(30px);
    transition: all .6s cubic-bezier(.34, 1.56, .64, 1);
}

.detail-card.visible { opacity: 1; transform: translateY(0); }

.detail-card h2 {
    margin: 0 0 10px;
    font-size: clamp(20px, 4vw, 30px);
    background: linear-gradient(120deg, var(--accent), var(--accent-2));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.detail-card p { color: var(--muted); line-height: 1.8; font-size: clamp(13px, 2.5vw, 17px); }

.detail-btn {
    display: inline-block;
    margin-top: 16px;
    padding: 12px 18px;
    border-radius: 12px;
    background: var(--accent);
    color: #001018;
    font-weight: 700;
    text-decoration: none;
    box-shadow: 0 8px 24px rgba(0, 217, 255, .25);
    transition: transform .2s, box-shadow .2s, opacity .2s;
    justify-self: end;
}

.detail-btn:hover { transform: translateY(-2px); box-shadow: 0 14px 32px rgba(0, 217, 255, .35); }
.detail-btn[aria-disabled="true"] { opacity: .55; pointer-events: none; }

.contact-section {
    width: 100%; max-width: var(--maxw);
    margin: 0px auto 0px;
    padding: 30px 10px 35px;
    position: relative;
    isolation: isolate;
}

.contact-section.bg-soft::before {
    content: "";
    position: absolute;
    inset: 0; left: 50%; transform: translateX(-50%);
    width: 100vw;
    z-index: 0; pointer-events: none;
    background: rgba(255, 255, 255, .05);
}

.contact-section>h3 {
    font-size: clamp(18px, 4vw, 32px);
    text-align: center;
    margin-bottom: 20px;
    font-weight: 600;
    background: var(--fg);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    letter-spacing: .1em;
    opacity: 0;
    animation: fadeInUp .8s ease .4s forwards;
}

.contact-section>h3::before, .contact-section>h3::after {
    content: "・・・";
    color: var(--muted);
    font-size: .85em; line-height: 1;
    letter-spacing: .1em; opacity: .3;
}

.contact-container { display: grid; gap: 32px; width: 90%; margin-inline: auto; }

.contact-main {
    background: linear-gradient(135deg,
            color-mix(in oklab, var(--card) 95%, transparent),
            color-mix(in oklab, var(--card) 85%, transparent));
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 2px solid color-mix(in oklab, var(--accent) 20%, transparent);
    border-radius: 24px;
    padding: 32px;
    position: relative;
    box-shadow: 0 12px 48px rgba(0, 0, 0, .3);
    transition: all .4s cubic-bezier(.34, 1.56, .64, 1);
    text-align: center;
}

.contact-main:hover {
    transform: translateY(-6px);
    border-color: var(--accent);
    color: var(--fg);
    box-shadow: 0 16px 48px rgba(0, 217, 255, .30);
}

.contact-main p, .department-card p { color: var(--muted); font-size: clamp(12px, 2vw, 18px); }

.contact-main h4 { font-size: clamp(20px, 4vw, 32px); color: var(--accent); }

.phone-number {
    font-size: clamp(28px, 6vw, 52px);
    font-weight: 800;
    color: var(--fg);
    letter-spacing: .05em;
    margin: 0px 0px 20px;
    line-height: 1;
}

.phone-detail {
    font-size: clamp(15px, 2.5vw, 20px);
    font-weight: 400;
    color: var(--fg);
    letter-spacing: .05em;
    margin: 15px 0 0;
}

.departments { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 24px; }

.department-card {
    background: linear-gradient(135deg,
            color-mix(in oklab, var(--card) 90%, transparent),
            color-mix(in oklab, var(--card) 80%, transparent));
    backdrop-filter: blur(16px) saturate(180%);
    -webkit-backdrop-filter: blur(16px) saturate(180%);
    border: 2px solid color-mix(in oklab, var(--accent-2) 15%, transparent);
    border-radius: 20px;
    padding: 20px;
    text-align: center;
    color: var(--fg);
    transition: all .4s cubic-bezier(.34, 1.56, .64, 1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, .2);
}

.department-card:hover {
    transform: translateY(-6px);
    border-color: var(--accent-2);
    color: var(--fg);
    box-shadow: 0 16px 48px rgba(183, 148, 246, .3);
}

.department-card h5 { font-size: clamp(18px, 2.5vw, 24px); margin-bottom: 20px; }
.department-logo img { max-width: 150px; height: auto; transition: transform .3s ease; }

.contact-main.is-clickable, .department-card.is-clickable { cursor: pointer; }

.contact-main.tone-aqua, .department-card.tone-iris {
    position: relative;
    background: linear-gradient(135deg,
            color-mix(in oklab, var(--card) 72%, var(--tone-a) 28%) 0%,
            color-mix(in oklab, var(--card) 72%, var(--tone-b) 28%) 100%);
    border: 2px solid color-mix(in oklab, var(--tone-a) 35%, transparent);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    box-shadow:
        0 12px 48px rgba(var(--tone-rgb) / .20),
        inset 0 1px 0 rgba(255 255 255 / .12);
    transition:
        transform .4s cubic-bezier(.34, 1.56, .64, 1),
        box-shadow .3s ease,
        border-color .3s ease,
        color .3s ease;
}

.contact-main.tone-aqua:hover, .department-card.tone-iris:hover {
    transform: translateY(-6px);
    border-color: color-mix(in oklab, var(--tone-a) 55%, transparent);
    box-shadow:
        0 16px 56px rgba(var(--tone-rgb) / .34),
        0 0 60px rgba(var(--tone-rgb) / .18),
        inset 0 2px 0 rgba(255 255 255 / .22);
    color: var(--fg);
}

.contact-main.tone-aqua:focus-within, .department-card.tone-iris:focus-within {
    outline: 2px solid color-mix(in oklab, var(--tone-a) 70%, transparent);
    outline-offset: 6px;
    border-radius: 24px;
}

.contact-main.tone-aqua { --tone-a: var(--accent); --tone-b: var(--accent-4); --tone-rgb: 0 217 255; }
.department-card.tone-iris { --tone-a: var(--accent-2); --tone-b: var(--accent-4); --tone-rgb: 183 148 246; }

.stretched-link {
    position: absolute; inset: 0; z-index: 5;
    border-radius: inherit;
    color: inherit;
    text-indent: -9999px; overflow: hidden;
}

.stretched-link:focus-visible { outline: 2px solid var(--accent); outline-offset: 6px; border-radius: inherit; }

footer {
    color: var(--muted);
    text-align: center;
    padding: 20px;
    border-top: 1px solid color-mix(in oklab, var(--fg) 8%, transparent);
    font-size: clamp(14px, 2vw, 16px);
}

@media (max-width: 1200px) {
    .sidebar-open .content-wrapper { margin-left: 0; }
    .content-wrapper { margin-left: 0; }
    .sidebar { transform: translateX(-100%); position: fixed; left: 0; top: 0; }
    .sidebar.open { transform: translateX(0); }
    .menu-toggle { display: flex; }
}

@media (max-width: 900px) {
    .logo-header {
        grid-template-columns: auto auto auto;
        grid-template-areas: "logo logo logo" "left sep right";
        column-gap: 12px; row-gap: 10px;
    }
    .logo-header img { grid-area: logo; width: clamp(100px, 20vw, 250px); }
    .logo-header .hospital-name:first-of-type { grid-area: left; }
    .logo-header .hospital-name:last-of-type { grid-area: right; }
    .logo-header::after {
        content: "✕";
        grid-area: sep;
        align-self: center; justify-self: center;
        font-weight: 700; line-height: 1; opacity: .9;
    }
}

@media (min-width: 1200px) {
    .menu-section { display: grid; grid-template-columns: 2fr 1fr; gap: 0; align-items: center; }
    .ring-wrap { grid-column: 1; }
    .detail-section { grid-column: 2; margin: 0; }
}

.breadcrumb { text-align: center; margin: 0 0 24px; }
.breadcrumb a { color: var(--accent); text-decoration: none; transition: color .3s ease; }
.breadcrumb a:hover { color: var(--accent-2); text-decoration: underline; }
.breadcrumb span { color: var(--muted); margin: 0 8px; }

.page-header {
    display: grid;
    grid-template-areas: "title" "breadcrumb";
    justify-items: center;
    row-gap: 8px;
    margin-top: 4px;
}

.page-header .center-mark { grid-area: title; position: static; transform: none; pointer-events: auto; filter: none; margin: 0; }
.page-header .breadcrumb { grid-area: breadcrumb; position: static; z-index: auto; }

.page-title {
    font-size: clamp(24px, 5vw, 40px);
    margin: 0 0 32px;
    text-align: center;
    background: var(--fg);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    opacity: 0;
    animation: fadeInUp .8s ease .2s forwards;
    display: inline-flex;
    align-items: center;
    gap: .6em;
    margin-inline: auto;
}

.page-title::before, .page-title::after {
    content: "・・・";
    color: var(--muted);
    font-size: .85em; line-height: 1;
    letter-spacing: .1em; opacity: .3;
}

.content-card {
    border-radius: 24px;
    width: 90%; max-width: 1200px;
    padding: clamp(24px, 5vw, 40px);
    background: linear-gradient(135deg,
            color-mix(in oklab, var(--card) 100%, transparent),
            color-mix(in oklab, var(--card) 90%, transparent));
    border: 2px solid color-mix(in oklab, var(--fg) 20%, transparent);
    backdrop-filter: blur(12px) saturate(150%);
    -webkit-backdrop-filter: blur(12px) saturate(150%);
    box-shadow:
        0 12px 48px rgba(0, 0, 0, .3),
        0 0 60px rgba(0, 217, 255, .1);
    opacity: 0;
    animation: fadeInUp .8s ease .4s forwards;
}

.intro-text {
    font-size: clamp(16px, 2.5vw, 19px);
    line-height: 1.9;
    color: var(--muted);
    margin-bottom: 48px;
    padding-bottom: 32px;
    border-bottom: 1px solid color-mix(in oklab, var(--accent) 15%, transparent);
}

.content-card .important { color: #90e7cf; font-size: larger; font-weight: 600; }

.section { margin-top: clamp(10px, 3vw, 28px); }
.section:first-child { margin-top: 0; }

.section h2 {
    font-size: clamp(20px, 4vw, 28px);
    margin: 0; color: var(--accent);
    display: flex; align-items: center; gap: 12px;
}

.section h2::before {
    content: "";
    width: 6px; height: 32px;
    background: linear-gradient(180deg, var(--accent), var(--accent-2));
    border-radius: 3px;
    box-shadow: 0 0 12px rgba(0, 217, 255, .4);
}

.section p { font-size: clamp(14px, 2vw, 17px); line-height: 1.9; color: var(--muted); margin: 0; }

.back-button, .next-button {
    display: inline-flex; align-items: center; gap: 8px;
    margin-top: 16px; padding: 14px 20px;
    background: linear-gradient(135deg,
            color-mix(in oklab, var(--card) 95%, transparent),
            color-mix(in oklab, var(--card) 85%, transparent));
    border: 2px solid color-mix(in oklab, var(--accent) 25%, transparent);
    border-radius: 12px;
    color: var(--fg);
    text-decoration: none;
    font-weight: 600; font-size: 16px;
    transition: all .3s ease;
    backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
}

.back-button:hover, .next-button:hover {
    transform: translateX(-4px);
    border-color: var(--accent);
    box-shadow: 0 8px 24px rgba(0, 217, 255, .3);
}

.back-button::before { content: "◀"; font-size: 16px; }
.next-button::after { content: "▶"; font-size: 16px; }

.home-button {
    display: inline-block; margin-top: 16px; padding: 14px 28px;
    border-radius: 12px; background: var(--accent); color: #001018;
    font-weight: 700; text-decoration: none;
    box-shadow: 0 8px 24px rgba(0, 217, 255, .25);
    transition: transform .2s, box-shadow .2s, opacity .2s;
    justify-self: end;
}

.home-button:hover { transform: translateY(-2px); box-shadow: 0 14px 32px rgba(0, 217, 255, .35); }

.pager {
    width: 80%; max-width: var(--maxw);
    margin: 12px auto 24px;
    padding-inline: 48px;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 12px 16px;
}

.pager .back-button { justify-self: start; }
.pager .home-button { justify-self: center; }
.pager .next-button { justify-self: end; }

.content-card .references {
    counter-reset: ref;
    padding: 10px; margin: 20px 0;
    border-top: 1px solid color-mix(in oklab, var(--fg) 30%, transparent);
}

.content-card .references ol, .content-card .references ul { list-style: none; margin: 0; padding: 0; }

.content-card .references li {
    font-size: clamp(14px, 2vw, 17px);
    position: relative;
    padding-left: 2.4em;
    margin: 10px 0;
    color: var(--muted);
    line-height: 1.2;
}

.content-card .references li::before {
    counter-increment: ref;
    content: "(" counter(ref) ")";
    position: absolute; left: 0; top: 0;
    font-weight: 700;
    color: var(--accent-4);
    font-variant-numeric: tabular-nums;
}

.content-card .references a {
    color: var(--muted);
    text-decoration: underline;
    text-decoration-thickness: .08em;
    text-underline-offset: .18em;
}

.content-card .references a:hover { color: var(--accent); }

.content-card .cite {
    position: relative; display: inline-block;
    line-height: 1; color: var(--accent-4);
    text-decoration: none; margin: 0 .06em;
    vertical-align: super; font-size: smaller;
}

.content-card .cite::before { content: "(" attr(data-ref) ")"; font-weight: 700; }
.content-card .cite:hover { color: var(--accent); }

.content-card .cite:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 3px; }

.content-card .neo-list {
    --tone-a: var(--accent);
    --tone-b: var(--accent-2);
    list-style: none; margin: 12px 0; padding: 0;
    font-size: clamp(15px, 2.5vw, 18px);
    --dot: 10px; --gap-left: 1.9rem; --dot-left: .45rem; --li-pt: 12px;
}

.content-card .neo-list.is-notice { font-size: clamp(14px, 2vw, 17px); }

.content-card .neo-list li {
    position: relative;
    padding: var(--li-pt) 0 12px var(--gap-left);
    line-height: 1.8; color: var(--muted);
}

.content-card .neo-list.separated li+li {
    border-top: 1px solid color-mix(in oklab, var(--fg) 12%, transparent);
}

.content-card .neo-list li::before {
    content: "";
    position: absolute;
    left: var(--dot-left);
    width: var(--dot); height: var(--dot);
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, var(--tone-a), var(--tone-b));
    box-shadow:
        0 0 0 3px color-mix(in oklab, var(--tone-a) 16%, transparent),
        0 4px 14px color-mix(in oklab, var(--tone-a) 30%, transparent);
    top: calc(var(--li-pt) + 1.0em - (var(--dot) / 2));
}

.content-card .neo-list .title { color: var(--muted); font-weight: 700; }

.content-card .neo-list .url {
    display: block; margin-top: 4px; font-size: .9em;
    color: var(--accent-4);
    text-decoration: underline; text-decoration-thickness: .06em; text-underline-offset: .18em;
    overflow-wrap: anywhere;
}

.content-card .neo-list a.url:hover { color: var(--tone-a); }

.content-card .neo-list.tone-iris { --tone-a: var(--accent-2); --tone-b: var(--accent-4); }
.content-card .neo-list.tone-rose { --tone-a: var(--accent-3); --tone-b: var(--accent-2); }

.section img { display: block; max-width: 100%; height: auto; border-radius: 12px; margin: 30px auto 0; }
.section img.full { width: 100%; }
.section img.shadow { box-shadow: 0 12px 28px rgba(0, 0, 0, .25); }
.section picture>img { border-radius: inherit; }
.section figure { margin: 16px 0; }
.section figcaption { color: var(--muted); font-size: .9em; text-align: center; margin-top: 8px; }

@media (max-width: 640px) {
    :root { --ring-size: clamp(320px, 95vw, 700px); --btn-size: clamp(120px, 30vw, 200px); }
    .menu-section { min-height: 920px; transition: min-height .25s ease; }
    .ring-nav {
        padding: 20px;
        display: grid; grid-template-areas: "title" "ring"; gap: 0; height: auto;
        transform: none
    }
    .ring-container { grid-area: ring; border: 0; box-shadow: none; background: none; cursor: default; }
    .ring { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; transform: none !important; }
    .ring li { position: static !important; margin: 0; transform: rotate(var(--rot, 0deg)) scale(.9); width: 100%; height: auto; }
    .ring li.active a { transform: rotate(var(--rot, 0deg)) scale(1.2); }
    .ring a { aspect-ratio: 1 / 1; }
    .ring a span { font-size: clamp(12px, 3.5vw, 20px); line-height: 1.2; }
    .center-mark { position: static; transform: none; width: 100%; margin: 0 0 20px; padding: 0; background: none; border: 0; }
    .center-mark .title-line1 { font-size: clamp(16px, 6vw, 48px); margin: 0; }
    .center-mark .title-line2 { text-shadow: none; font-size: clamp(22px, 10vw, 64px); }
    .ring li.active::after { display: none; }
    .contact-section { margin: 40px auto 0px; width: 85vw; }
    .departments { grid-template-columns: 1fr; }
    .contact-main, .department-card { padding: 20px; }
    .content-card { padding: 32px 24px 0px; }
    .intro-section { margin: 0 auto 0px; }
    .intro-text { margin-bottom: 32px; padding-bottom: 24px; }
    .section { margin-bottom: 32px; }
    .section h2::before { width: 4px; height: 24px; }
    .pager {
        padding-inline: 24px;
        grid-template-columns: auto auto;
        grid-template-areas: "prev next" "home home";
        justify-content: center; column-gap: 20px;
    }
    .pager .back-button { grid-area: prev; justify-self: end; }
    .pager .next-button { grid-area: next; justify-self: start; }
    .pager .home-button { grid-area: home; justify-self: center; margin-top: 6px; }
}

.pattern {
    position: relative;
    isolation: isolate;
    overflow: visible;
    --ps: 24px;
    --pa: .05;
    --pc: rgba(255,255,255,var(--pa));
}

.pattern::before {
    content: "";
    position: absolute; left: 50%; transform: translateX(-50%);
    width: 100vw; top: 0; bottom: 0;
    z-index: 0; pointer-events: none; opacity: 1;
}

.pattern>* { position: relative; z-index: 1; }

@media (max-width: 640px) { .pattern { --ps: 28px; --pa: .05; } }

.pattern.pattern--grid { --gy: calc(var(--ps) / 2); --Gy: calc(var(--ps) * 2.5); }

.pattern.pattern--grid::before {
    background-image:
        repeating-linear-gradient(0deg, var(--pc) 0 1px, transparent 1px var(--ps)),
        repeating-linear-gradient(90deg, var(--pc) 0 1px, transparent 1px var(--ps)),
        repeating-linear-gradient(0deg, rgba(255,255,255, calc(var(--pa) * 1.6)) 0 1px, transparent 1px calc(var(--ps) * 5)),
        repeating-linear-gradient(90deg, rgba(255,255,255, calc(var(--pa) * 1.6)) 0 1px, transparent 1px calc(var(--ps) * 5));
    opacity: .5;
}

.pattern.pattern--mesh::before { background-image: radial-gradient(var(--pc) 1px, transparent 1px); background-size: var(--ps) var(--ps); background-position: 0 0; }

.pattern.fade-edges::after { -webkit-mask: radial-gradient(150% 150% at 50% 50%, #fff 60%, transparent 100%); mask: radial-gradient(150% 150% at 50% 50%, #fff 60%, transparent 100%); }

a { word-break: break-all; }

@media (max-width: 640px) { .ring-container { touch-action: pan-y pinch-zoom; } }

.ring-container.no-animate { transition: none !important; }

@supports not (color: color-mix(in oklab, white, black)) {
  .top-banner {
    background: linear-gradient(135deg, rgba(126,195,248,.85), rgba(183,148,246,.85));
  }

  .sidebar {
    background: linear-gradient(135deg, rgba(26,31,58,.784), rgba(26,31,58,.704));
    border-right: 1px solid rgba(var(--accent-rgb), .15);
  }

  .sidebar-nav a {
    background: rgba(26,31,58,.48);
    border: 1px solid rgba(var(--accent-rgb), .10);
  }
  .sidebar-nav a:hover { background: rgba(26,31,58,.72); }

  .sidebar-nav2 a {
    background: rgba(126,195,248,.20);
    border: 1px solid rgba(var(--fg-rgb), .50);
  }
  .sidebar-nav2 a:hover {
    background: rgba(0,217,255,.70);
    border-color: var(--fg);
  }

  .menu-toggle {
    background: linear-gradient(135deg, rgba(26,31,58,.76), rgba(26,31,58,.68));
    border: 2px solid rgba(var(--accent-rgb), .20);
  }

  .ring a {
    background: linear-gradient(135deg, rgba(26,31,58,.76), rgba(26,31,58,.68));
    border: 2px solid rgba(var(--accent-rgb), .20);
  }

  .detail-card {
    background: linear-gradient(135deg, rgba(26,31,58,.80), rgba(26,31,58,.72));
    border: 2px solid rgba(var(--accent-rgb), .25);
  }

  .contact-main {
    background: linear-gradient(135deg, rgba(26,31,58,.76), rgba(26,31,58,.68));
    border: 2px solid rgba(var(--accent-rgb), .20);
  }

  .department-card {
    background: linear-gradient(135deg, rgba(26,31,58,.72), rgba(26,31,58,.64));
    border: 2px solid rgba(var(--accent2-rgb), .15);
  }

  .contact-main.tone-aqua {
    background:
      linear-gradient(135deg, rgba(0,217,255,.28), rgba(126,195,248,.28)),
      linear-gradient(135deg, rgba(26,31,58,.72), rgba(26,31,58,.72));
    border: 2px solid rgba(var(--accent-rgb), .35);
  }

  .department-card.tone-iris {
    background:
      linear-gradient(135deg, rgba(183,148,246,.28), rgba(126,195,248,.28)),
      linear-gradient(135deg, rgba(26,31,58,.72), rgba(26,31,58,.72));
    border: 2px solid rgba(var(--accent2-rgb), .35);
  }

  .contact-main.tone-aqua:hover,
  .department-card.tone-iris:hover {
    box-shadow:
      0 16px 56px rgba(0,0,0,0),
      0 0 60px rgba(0,0,0,0),
      inset 0 2px 0 rgba(255,255,255,.22);
  }

  .contact-main.tone-aqua:focus-within { outline: 2px solid rgba(var(--accent-rgb), .70); }
  .department-card.tone-iris:focus-within { outline: 2px solid rgba(var(--accent2-rgb), .70); }

  footer { border-top-color: rgba(var(--fg-rgb), .08); }
  .intro-text { border-bottom-color: rgba(var(--accent-rgb), .15); }

  .content-card {
    background: linear-gradient(135deg, rgba(26,31,58,.80), rgba(26,31,58,.72));
    border: 2px solid rgba(var(--fg-rgb), .20);
  }
  .content-card .neo-list.separated li+li { border-top-color: rgba(var(--fg-rgb), .12); }
  .content-card .references { border-top-color: rgba(var(--fg-rgb), .30); }

  .content-card .neo-list li::before {
    box-shadow:
      0 0 0 3px rgba(var(--accent-rgb), .16),
      0 4px 14px rgba(var(--accent-rgb), .30);
  }
  .content-card .neo-list.tone-iris li::before {
    box-shadow:
      0 0 0 3px rgba(var(--accent2-rgb), .16),
      0 4px 14px rgba(var(--accent2-rgb), .30);
  }
  .content-card .neo-list.tone-rose li::before {
    box-shadow:
      0 0 0 3px rgba(var(--accent3-rgb), .16),
      0 4px 14px rgba(var(--accent3-rgb), .30);
  }

  .back-button,
  .next-button { border: 2px solid rgba(0,217,255,.25); }

  .home-button,
  .detail-btn { border: 2px solid rgba(0,217,255,.25); }
}