/* ============================================================
 *  KT CLINIC — Phase 2C-γ-2 皮膚科TOP CSS
 *  page-dermatology.php 専用スタイル
 *
 *  Phase 2C-γ-2 / 2026-05-25
 *  - .kt-derm スコープに閉じる
 *  - 10セクション構造（A案+C案配色 皮膚科ミント #7DC9A8 主体）
 *  - 担当医・FAQ 0件時 非表示（PHP側 if で制御）
 * ============================================================ */

.kt-derm {
    --c-text: #1A1F2E;
    --c-sub: #2A3142;
    --c-meta: #5A6373;
    --c-light: #888;
    --c-border: #E8EAED;
    --c-border-soft: #F0F1F3;
    --c-bg-soft: #F7F8FA;
    --c-bg-softer: #FAFAFA;

    --c-derm: #7DC9A8;
    --c-derm-deep: #56AC85;
    --c-derm-soft: #E8F6EE;
    --c-derm-gradient: linear-gradient(135deg, #E8F6EE 0%, #C5E5D2 100%);
    --c-gold: #C9A96E;

    --font-sans: 'Noto Sans JP', sans-serif;
    --font-serif: 'Noto Serif JP', serif;
    --font-en: 'Inter', sans-serif;

    color: var(--c-text);
    font-family: var(--font-sans);
    font-weight: 400;
    line-height: 1.7;
}

.kt-derm *, .kt-derm *::before, .kt-derm *::after { box-sizing: border-box; }
.kt-derm a { color: inherit; text-decoration: none; }
.kt-derm img { display: block; max-width: 100%; height: auto; }
.kt-derm ul { list-style: none; padding: 0; margin: 0; }
.kt-derm button { font-family: inherit; cursor: pointer; }

/* === セクションヘッダ共通 === */
.kt-derm-section-head { margin-bottom: 56px; }
.kt-derm-section-head--center { text-align: center; }
.kt-derm-label {
    font-family: var(--font-en);
    font-size: 11px;
    letter-spacing: 0.3em;
    color: var(--c-derm-deep);
    text-transform: uppercase;
    margin: 0 0 16px;
    font-weight: 400;
}
.kt-derm-h2 {
    font-size: 32px;
    font-weight: 300;
    color: var(--c-text);
    letter-spacing: 0.05em;
    line-height: 1.5;
    margin: 0;
}
.kt-derm-h2 em {
    font-style: normal;
    color: var(--c-derm-deep);
    font-family: var(--font-serif);
}
.kt-derm-subtitle {
    font-size: 14px;
    color: var(--c-sub);
    line-height: 1.9;
    margin-top: 16px;
}
.kt-derm-more {
    display: inline-block;
    font-size: 12px;
    letter-spacing: 0.15em;
    color: var(--c-text);
    padding-bottom: 6px;
    border-bottom: 0.5px solid var(--c-text);
}
.kt-derm-more::after { content: ' →'; color: var(--c-derm-deep); }
.kt-derm-center-cta { text-align: center; margin-top: 48px; }

/* === 1. HERO === */
.kt-derm-hero {
    padding: 96px 64px 120px;
    background: linear-gradient(180deg, var(--c-derm-soft) 0%, #fff 100%);
}
.kt-derm-hero-inner {
    max-width: 1440px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 64px;
    align-items: center;
}
.kt-derm-hero-eyebrow {
    font-family: var(--font-en);
    font-size: 11px;
    letter-spacing: 0.3em;
    color: var(--c-derm-deep);
    margin: 0 0 24px;
    text-transform: uppercase;
}
.kt-derm-hero-title {
    font-size: 50px;
    font-weight: 300;
    line-height: 1.5;
    color: var(--c-text);
    margin: 0 0 32px;
    letter-spacing: 0.02em;
}
.kt-derm-hero-title em {
    font-style: normal;
    font-family: var(--font-serif);
    font-weight: 400;
    color: var(--c-derm-deep);
}
.kt-derm-hero-lead {
    font-size: 15px;
    line-height: 2;
    color: var(--c-sub);
    margin: 0 0 32px;
}
.kt-derm-hero-trust {
    display: flex;
    gap: 20px;
    padding: 20px 24px;
    background: #fff;
    border: 0.5px solid var(--c-border);
    border-radius: 4px;
    margin-bottom: 24px;
}
.kt-derm-hero-trust-item {
    flex: 1;
    text-align: center;
    border-right: 0.5px solid var(--c-border);
}
.kt-derm-hero-trust-item:last-child { border-right: none; }
.kt-derm-hero-trust-num {
    font-family: var(--font-en);
    font-size: 22px;
    font-weight: 400;
    color: var(--c-derm-deep);
    margin-bottom: 4px;
}
.kt-derm-hero-trust-label {
    font-size: 11px;
    color: var(--c-meta);
    letter-spacing: 0.05em;
}
.kt-derm-hero-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}
.kt-derm-hero-tag {
    padding: 8px 16px;
    background: #fff;
    border: 0.5px solid var(--c-derm);
    color: var(--c-derm-deep);
    font-size: 12px;
    border-radius: 100px;
    letter-spacing: 0.05em;
}
.kt-derm-hero-visual {
    aspect-ratio: 4/5;
    background: var(--c-derm-gradient);
    background-image: url('../img/hero-dermatology-pc.jpg');
    background-size: cover;
    background-position: center;
}

/* === 2. TROUBLE === */
.kt-derm-trouble {
    padding: 120px 64px;
    background: #fff;
}
.kt-derm-trouble-grid {
    max-width: 1440px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}
.kt-derm-trouble-card {
    border: 0.5px solid var(--c-border);
    padding: 28px 20px;
    text-align: center;
    transition: all 0.2s;
}
.kt-derm-trouble-card:hover {
    border-color: var(--c-derm);
    background: var(--c-derm-soft);
}
.kt-derm-trouble-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 16px;
    border: 0.5px solid var(--c-derm);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--c-derm-deep);
    font-family: var(--font-en);
    font-size: 13px;
    font-weight: 500;
}
.kt-derm-trouble-card h3 {
    font-size: 14px;
    font-weight: 500;
    color: var(--c-text);
    margin: 0 0 6px;
    letter-spacing: 0.05em;
}
.kt-derm-trouble-card p {
    font-size: 11px;
    color: var(--c-meta);
    line-height: 1.7;
    margin: 0;
}

/* === 3. TREATMENT MENU === */
.kt-derm-treatment {
    padding: 120px 64px;
    background: var(--c-bg-softer);
}
.kt-derm-treatment-grid {
    max-width: 1280px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}
.kt-derm-treatment-card {
    background: #fff;
    border: 0.5px solid var(--c-border);
    display: grid;
    grid-template-columns: 220px 1fr;
}
.kt-derm-treatment-visual {
    background: var(--c-derm-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-en);
    font-size: 11px;
    letter-spacing: 0.2em;
    color: var(--c-derm-deep);
    overflow: hidden;
}
.kt-derm-treatment-visual img { width: 100%; height: 100%; object-fit: cover; }
.kt-derm-treatment-body { padding: 28px; }
.kt-derm-treatment-tag {
    font-family: var(--font-en);
    font-size: 10px;
    color: var(--c-derm-deep);
    letter-spacing: 0.25em;
    text-transform: uppercase;
    margin: 0 0 8px;
}
.kt-derm-treatment-body h3 {
    font-size: 18px;
    font-weight: 500;
    color: var(--c-text);
    margin: 0 0 12px;
    letter-spacing: 0.03em;
}
.kt-derm-treatment-body p {
    font-size: 13px;
    line-height: 1.9;
    color: var(--c-sub);
    margin: 0 0 16px;
}
.kt-derm-treatment-insurance-row { margin: 0 0 16px; }
.kt-derm-treatment-insurance {
    display: inline-block;
    font-size: 10px;
    padding: 3px 10px;
    background: var(--c-derm-soft);
    color: var(--c-derm-deep);
    margin-right: 8px;
    letter-spacing: 0.15em;
}
.kt-derm-treatment-cta {
    font-size: 12px;
    color: var(--c-text);
    letter-spacing: 0.1em;
    border-bottom: 0.5px solid var(--c-text);
    padding-bottom: 4px;
}
.kt-derm-treatment-cta::after { content: ' →'; color: var(--c-derm-deep); }

/* === 4. FEATURES === */
.kt-derm-features {
    padding: 120px 64px;
    background: #fff;
}
.kt-derm-features-grid {
    max-width: 1280px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.kt-derm-feature-card {
    padding: 48px 36px;
    text-align: center;
    background: var(--c-derm-soft);
}
.kt-derm-feature-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    margin: 0 auto 24px;
    border: 0.5px solid var(--c-derm-deep);
    border-radius: 50%;
    font-family: var(--font-en);
    font-size: 16px;
    color: var(--c-derm-deep);
    font-weight: 300;
}
.kt-derm-feature-card h3 {
    font-size: 18px;
    font-weight: 500;
    color: var(--c-text);
    margin: 0 0 16px;
    letter-spacing: 0.05em;
}
.kt-derm-feature-card p {
    font-size: 13px;
    line-height: 2;
    color: var(--c-sub);
    margin: 0;
}

/* === 5. CALENDAR === */
.kt-derm-calendar {
    padding: 120px 64px;
    background: var(--c-bg-softer);
}
.kt-derm-calendar-block {
    max-width: 900px;
    margin: 0 auto;
    border: 0.5px solid var(--c-border);
    overflow: hidden;
}
.kt-derm-calendar-placeholder {
    padding: 48px 16px;
    text-align: center;
    font-size: 12px;
    color: var(--c-light);
}
.kt-derm-calendar-note {
    padding: 14px 24px;
    font-size: 11px;
    color: var(--c-meta);
    background: var(--c-bg-softer);
    border-top: 0.5px solid var(--c-border);
    margin: 0;
}

/* === 6. DOCTORS === */
.kt-derm-doctors {
    padding: 120px 64px;
    background: #fff;
}
.kt-derm-doctors-grid {
    max-width: 1280px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}
.kt-derm-doctor-card {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 32px;
    align-items: center;
    background: var(--c-bg-softer);
    padding: 32px;
    border: 0.5px solid var(--c-border);
}
.kt-derm-doctor-photo {
    aspect-ratio: 3/4;
    background: var(--c-derm-gradient);
    overflow: hidden;
}
.kt-derm-doctor-photo img { width: 100%; height: 100%; object-fit: cover; }
.kt-derm-doctor-info-tag {
    display: inline-block;
    font-family: var(--font-en);
    font-size: 10px;
    padding: 3px 10px;
    background: var(--c-derm-soft);
    color: var(--c-derm-deep);
    letter-spacing: 0.15em;
    margin-bottom: 12px;
}
.kt-derm-doctor-info h3 {
    font-size: 20px;
    font-weight: 500;
    color: var(--c-text);
    margin: 0 0 6px;
    letter-spacing: 0.05em;
}
.kt-derm-doctor-title {
    font-size: 12px;
    color: var(--c-meta);
    letter-spacing: 0.1em;
    margin: 0 0 16px;
}
.kt-derm-doctor-message {
    font-size: 13px;
    line-height: 1.9;
    color: var(--c-sub);
    margin: 0 0 16px;
}
.kt-derm-doctor-specs {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}
.kt-derm-doctor-specs span {
    font-size: 11px;
    padding: 4px 10px;
    background: var(--c-bg-soft);
    color: var(--c-sub);
    border-radius: 100px;
}

/* === 7. FLOW === */
.kt-derm-flow {
    padding: 120px 64px;
    background: var(--c-bg-softer);
}
.kt-derm-flow-list {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}
.kt-derm-flow-list::before {
    content: '';
    position: absolute;
    left: 32px;
    top: 24px;
    bottom: 24px;
    width: 1px;
    background: var(--c-derm-soft);
}
.kt-derm-flow-item {
    display: grid;
    grid-template-columns: 64px 1fr;
    gap: 32px;
    margin-bottom: 32px;
    position: relative;
}
.kt-derm-flow-num {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: var(--c-derm);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-en);
    font-size: 18px;
    font-weight: 400;
    position: relative;
    z-index: 1;
}
.kt-derm-flow-content { padding-top: 12px; }
.kt-derm-flow-content h3 {
    font-size: 18px;
    font-weight: 500;
    color: var(--c-text);
    margin: 0 0 8px;
    letter-spacing: 0.05em;
}
.kt-derm-flow-content p {
    font-size: 13px;
    line-height: 1.9;
    color: var(--c-sub);
    margin: 0;
}

/* === 8. FAQ === */
.kt-derm-faq {
    padding: 120px 64px;
    background: #fff;
}
.kt-derm-faq-list {
    max-width: 900px;
    margin: 0 auto;
}
.kt-derm-faq-item {
    border-bottom: 0.5px solid var(--c-border);
}
.kt-derm-faq-question {
    width: 100%;
    padding: 24px 0;
    text-align: left;
    background: none;
    border: none;
    font-family: inherit;
    font-size: 15px;
    color: var(--c-text);
    display: flex;
    justify-content: space-between;
    align-items: center;
    letter-spacing: 0.03em;
    cursor: pointer;
}
.kt-derm-faq-question::before {
    content: 'Q.';
    font-family: var(--font-en);
    font-size: 14px;
    color: var(--c-derm-deep);
    margin-right: 16px;
    font-weight: 400;
}
.kt-derm-faq-q-text { flex: 1; }
.kt-derm-faq-toggle {
    color: var(--c-derm-deep);
    font-family: var(--font-en);
    font-weight: 200;
    font-size: 20px;
}
.kt-derm-faq-answer {
    padding: 0 0 0 32px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    font-size: 13px;
    line-height: 2;
    color: var(--c-sub);
}
.kt-derm-faq-item.is-open .kt-derm-faq-answer {
    max-height: 500px;
    padding: 0 0 24px 32px;
}

/* === 9. ACCESS === */
.kt-derm-access {
    padding: 120px 64px;
    background: var(--c-bg-softer);
}
.kt-derm-access-grid {
    max-width: 1280px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
}
.kt-derm-access-info-box {
    background: #fff;
    padding: 40px;
    border: 0.5px solid var(--c-border);
}
.kt-derm-access-info-box h3 {
    font-size: 16px;
    font-weight: 500;
    color: var(--c-text);
    margin: 0 0 24px;
    padding-bottom: 16px;
    border-bottom: 0.5px solid var(--c-border);
    letter-spacing: 0.1em;
}
.kt-derm-access-info-row {
    font-size: 13px;
    padding: 8px 0;
    color: var(--c-sub);
    display: flex;
    gap: 12px;
    margin: 0;
}
.kt-derm-access-info-row strong {
    color: var(--c-text);
    min-width: 80px;
    font-weight: 500;
}
.kt-derm-access-divider {
    margin-top: 24px !important;
    padding-top: 24px !important;
    border-top: 0.5px solid var(--c-border);
}
.kt-derm-access-map {
    aspect-ratio: 4/3;
    background: #fff;
    border: 0.5px solid var(--c-border);
    overflow: hidden;
}
.kt-derm-access-map iframe { width: 100%; height: 100%; border: 0; }

/* === 10. CTA === */
.kt-derm-cta {
    padding: 100px 64px;
    background: linear-gradient(135deg, var(--c-derm-deep) 0%, var(--c-derm) 100%);
    text-align: center;
    color: #fff;
}
.kt-derm-cta-label {
    font-family: var(--font-en);
    font-size: 11px;
    letter-spacing: 0.3em;
    color: rgba(255, 255, 255, 0.8);
    text-transform: uppercase;
    margin: 0 0 16px;
}
.kt-derm-cta h2 {
    font-size: 32px;
    font-weight: 300;
    color: #fff;
    margin: 0 0 16px;
    letter-spacing: 0.05em;
}
.kt-derm-cta p {
    font-size: 15px;
    line-height: 1.9;
    color: rgba(255, 255, 255, 0.9);
    margin: 0 0 40px;
}
.kt-derm-cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
}
.kt-derm-cta-btn {
    padding: 16px 40px;
    font-size: 13px;
    letter-spacing: 0.15em;
    border-radius: 2px;
    transition: opacity 0.2s;
}
.kt-derm-cta-btn:hover { opacity: 0.88; }
.kt-derm-cta-btn--primary {
    background: #fff;
    color: var(--c-derm-deep);
}
.kt-derm-cta-btn--tel {
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
    border: 0.5px solid rgba(255, 255, 255, 0.4);
}

/* === Responsive === */
@media (max-width: 1024px) {
    .kt-derm-hero,
    .kt-derm-trouble,
    .kt-derm-treatment,
    .kt-derm-features,
    .kt-derm-calendar,
    .kt-derm-doctors,
    .kt-derm-flow,
    .kt-derm-faq,
    .kt-derm-access,
    .kt-derm-cta { padding: 80px 40px; }

    .kt-derm-hero-inner { grid-template-columns: 1fr; gap: 48px; }
    .kt-derm-hero-title { font-size: 40px; }
    .kt-derm-trouble-grid { grid-template-columns: repeat(2, 1fr); }
    .kt-derm-treatment-grid { grid-template-columns: 1fr; }
    .kt-derm-features-grid { grid-template-columns: 1fr; }
    .kt-derm-doctors-grid { grid-template-columns: 1fr; }
    .kt-derm-access-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
    .kt-derm-hero { padding: 56px 20px 80px; }
    .kt-derm-trouble,
    .kt-derm-treatment,
    .kt-derm-features,
    .kt-derm-calendar,
    .kt-derm-doctors,
    .kt-derm-flow,
    .kt-derm-faq,
    .kt-derm-access,
    .kt-derm-cta { padding: 64px 20px; }

    .kt-derm-hero-title { font-size: 32px; }
    .kt-derm-h2 { font-size: 24px; }
    .kt-derm-hero-trust { flex-direction: column; gap: 12px; }
    .kt-derm-hero-trust-item { border-right: none; border-bottom: 0.5px solid var(--c-border); padding-bottom: 12px; }
    .kt-derm-hero-trust-item:last-child { border-bottom: none; padding-bottom: 0; }

    .kt-derm-trouble-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
    .kt-derm-treatment-card { grid-template-columns: 1fr; }
    .kt-derm-treatment-visual { aspect-ratio: 16/9; }
    .kt-derm-doctor-card { grid-template-columns: 1fr; gap: 20px; text-align: center; }
    .kt-derm-doctor-photo { max-width: 200px; margin: 0 auto; }

    .kt-derm-cta-buttons { flex-direction: column; gap: 12px; }
    .kt-derm-cta-btn { width: 100%; }
}