/* ================================================================
   診療科目 詳細ページ — 本気モード CSS
   prefix: sd-
   ================================================================ */

/* ---------- Variables ---------- */
:root{
  --sd-accent:#33691e;
  --sd-accent-mid:#8bc34a;
  --sd-accent-dark:#558b2f;
  --sd-accent-light:#c5e1a5;
  --sd-bg:#fafaf7;
  --sd-bg-tint:#f1f8e9;
  --sd-bg-tint2:#e8f5e0;
  --sd-text:#333;
  --sd-glass:rgba(255,255,255,.72);
  --sd-glass-border:rgba(255,255,255,.6);
  --sd-ease-out:cubic-bezier(0.22, 1, 0.36, 1);
  --sd-ease-spring:cubic-bezier(0.34, 1.56, 0.64, 1);
  --sd-ease-pow:cubic-bezier(0.77, 0, 0.175, 1);
}

/* ---------- Scroll-driven fade-in ---------- */
@keyframes sd-fadeUp{
  from{opacity:0;transform:translateY(32px)}
  to{opacity:1;transform:translateY(0)}
}
.sd-section{
  animation:sd-fadeUp .7s var(--sd-ease-out) both;
  animation-timeline:view();
  animation-range:entry 0% entry 30%;
}
/* fallback for browsers without scroll-driven animations */
@supports not (animation-timeline:view()){
  .sd-section{animation:none;opacity:1;transform:none}
}

/* ---------- HERO (full-bleed background image) ---------- */
.sd-hero{
  position:relative;overflow:hidden;
  padding:160px 24px 80px;
  margin-top:-70px;
  background-size:cover;background-position:center;
  min-height:400px;
  display:flex;align-items:center;
  z-index:0;
}
.sd-hero::before{
  content:'';position:absolute;inset:0;
  background:linear-gradient(90deg,
    rgba(51,105,30,.72) 0%,
    rgba(51,105,30,.55) 40%,
    rgba(51,105,30,.2) 70%,
    transparent 100%);
  pointer-events:none;z-index:1;
}
.sd-hero::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,
    rgba(0,0,0,.1) 0%,
    transparent 30%,
    transparent 70%,
    rgba(0,0,0,.15) 100%);
  pointer-events:none;z-index:1;
}
.sd-hero-inner{
  max-width:1120px;margin:0 auto;
  position:relative;z-index:2;
  width:100%;
}
@media(min-width:900px){
  .sd-hero{padding:180px 48px 90px;min-height:440px}
}

/* Breadcrumbs (on hero bg image) */
.sd-crumbs{
  display:flex;gap:10px;align-items:center;
  font-size:12px;color:rgba(255,255,255,.7);margin-bottom:20px;letter-spacing:.05em;
}
.sd-crumbs a{color:rgba(255,255,255,.7);text-decoration:none;transition:color .3s}
.sd-crumbs a:hover{color:#fff}
.sd-crumbs .sep{opacity:.5}

/* Tag */
.sd-tag{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12px;font-weight:800;letter-spacing:.35em;
  color:var(--sd-accent-light);text-transform:uppercase;margin-bottom:18px;
}
.sd-tag::before{
  content:'';width:32px;height:2px;
  background:linear-gradient(90deg,var(--sd-accent-light),var(--sd-accent-mid));
  display:inline-block;border-radius:2px;
}

/* Title */
.sd-title{
  font-size:34px;font-weight:800;color:#fff;
  line-height:1.25;letter-spacing:.04em;margin:0 0 20px;
  text-shadow:0 2px 20px rgba(0,0,0,.15);
}
@media(min-width:900px){.sd-title{font-size:48px}}

/* Lead */
.sd-lead{
  font-size:15px;line-height:2.1;color:rgba(255,255,255,.88);
  max-width:58ch;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;
  overflow:hidden;min-height:calc(15px * 2.1 * 3);
}

/* ---------- TOC (sticky index) ---------- */
.sd-toc{
  background:var(--sd-glass);
  backdrop-filter:blur(16px) saturate(180%);
  -webkit-backdrop-filter:blur(16px) saturate(180%);
  border-top:1px solid rgba(139,195,74,.12);
  border-bottom:1px solid rgba(139,195,74,.12);
  padding:22px 24px;
  position:sticky;top:112px;z-index:30;
  transition:box-shadow .4s ease;
}
.sd-toc.is-scrolled{
  box-shadow:0 4px 24px rgba(85,139,47,.1);
}
.sd-toc-inner{
  max-width:1120px;margin:0 auto;
  display:flex;gap:8px;flex-wrap:wrap;align-items:center;
}
.sd-toc-label{
  font-size:12px;font-weight:800;letter-spacing:.2em;
  color:var(--sd-accent-dark);text-transform:uppercase;margin-right:10px;
}
.sd-toc a{
  font-size:13px;font-weight:700;color:var(--sd-text);
  padding:8px 18px;border-radius:999px;text-decoration:none;
  background:var(--sd-bg-tint);
  border:1px solid rgba(139,195,74,.25);
  transition:all .35s var(--sd-ease-out);
  position:relative;overflow:hidden;
}
.sd-toc a::before{
  content:'';position:absolute;inset:0;
  background:var(--sd-accent-mid);
  transform:scaleX(0);transform-origin:left;
  transition:transform .4s var(--sd-ease-pow);
  z-index:-1;border-radius:999px;
}
.sd-toc a:hover{
  color:#fff;border-color:var(--sd-accent-mid);
  transform:translateY(-2px);
  box-shadow:0 6px 20px rgba(85,139,47,.2);
}
.sd-toc a:hover::before{transform:scaleX(1)}
/* active state */
.sd-toc a.is-active{
  background:var(--sd-accent-mid);color:#fff;
  border-color:var(--sd-accent-mid);
}

/* ---------- MAIN ---------- */
.sd-main{
  background:var(--sd-bg);
  padding:80px 24px 120px;
  position:relative;
}
@media(max-width:640px){
  .sd-main{padding:60px 12px 90px}
}
.sd-main::before{
  content:'';position:absolute;top:0;left:0;right:0;height:200px;
  background:linear-gradient(180deg,var(--sd-bg-tint2),transparent);
  pointer-events:none;
}
.sd-wrap{max-width:1000px;margin:0 auto;position:relative}

/* ---------- Section ---------- */
.sd-section{
  margin-bottom:80px;scroll-margin-top:140px;
}
.sd-section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  padding-bottom:22px;margin-bottom:36px;
  border-bottom:2px solid rgba(85,139,47,.1);
  position:relative;
}
.sd-section-head::after{
  content:'';position:absolute;bottom:-2px;left:0;
  width:80px;height:2px;
  background:linear-gradient(90deg,var(--sd-accent-mid),var(--sd-accent-dark));
  border-radius:2px;
}
.sd-num{
  font-size:12px;font-weight:800;letter-spacing:.25em;
  color:var(--sd-accent-mid);text-transform:uppercase;
  display:block;margin-bottom:8px;
}
.sd-h2{
  font-size:26px;font-weight:800;color:var(--sd-text);
  letter-spacing:.04em;margin:0;line-height:1.3;
}
@media(min-width:900px){.sd-h2{font-size:32px}}

/* ---------- Body card ---------- */
.sd-body{
  background:#fff;
  border:1px solid rgba(139,195,74,.08);
  border-radius:28px;
  padding:44px 48px;
  box-shadow:
    0 4px 24px rgba(85,139,47,.04),
    0 1px 3px rgba(0,0,0,.03);
  transition:box-shadow .4s ease,transform .4s var(--sd-ease-out);
}
.sd-body:hover{
  box-shadow:
    0 12px 40px rgba(85,139,47,.08),
    0 2px 8px rgba(0,0,0,.04);
  transform:translateY(-2px);
}
@media(max-width:640px){.sd-body{padding:28px 16px;border-radius:22px}}
.sd-body p{font-size:16px;line-height:2.2;color:#444;margin:0 0 20px;text-align:left}
.sd-body p:last-child{margin-bottom:0}
.sd-body--plain{padding:32px 36px;background:transparent;border:none;box-shadow:none}

/* ---------- H3 ---------- */
.sd-h3{
  font-size:20px;font-weight:800;color:var(--sd-accent);
  margin:36px 0 16px;padding:14px 18px 14px 20px;
  background:linear-gradient(90deg,var(--sd-bg-tint) 0%,rgba(241,248,233,.3) 60%,transparent 100%);
  border-left:5px solid var(--sd-accent-mid);
  border-radius:0 14px 14px 0;line-height:1.5;
  position:relative;
  scroll-margin-top:160px;
}
.sd-h3:first-child{margin-top:0}
.sd-h3::after{
  content:'';position:absolute;left:0;bottom:0;
  width:5px;height:100%;
  background:linear-gradient(180deg,var(--sd-accent-mid),var(--sd-accent-dark));
  border-radius:0 0 0 4px;
}
@media(min-width:720px){.sd-grid{grid-template-columns:1fr 1fr}}
.sd-card{
  padding:24px 26px;
  background:var(--sd-glass);
  backdrop-filter:blur(8px) saturate(140%);
  -webkit-backdrop-filter:blur(8px) saturate(140%);
  border:1px solid rgba(139,195,74,.2);
  border-radius:20px;
  transition:all .4s var(--sd-ease-out);
  position:relative;overflow:hidden;
}
.sd-card::before{
  content:'';position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--sd-accent-mid),var(--sd-accent-light));
  transform:scaleX(0);transform-origin:left;
  transition:transform .5s var(--sd-ease-pow);
}
.sd-card:hover{
  transform:translateY(-4px);
  box-shadow:0 16px 40px rgba(85,139,47,.12);
  border-color:rgba(139,195,74,.35);
}
.sd-card:hover::before{transform:scaleX(1)}
.sd-card h4{
  font-size:15px;font-weight:800;color:var(--sd-accent);
  margin:0 0 8px;display:flex;align-items:center;gap:10px;
}
.sd-card h4::before{
  content:'';width:8px;height:8px;border-radius:50%;flex-shrink:0;
  background:linear-gradient(135deg,var(--sd-accent-mid),var(--sd-accent-dark));
  box-shadow:0 0 6px rgba(139,195,74,.4);
}
.sd-card p{font-size:14.5px;line-height:1.9;margin:0;color:#555}

/* ---------- Chips（左線ラベル：ボタンに見えない装飾） ---------- */
.sd-chips{display:flex;flex-wrap:wrap;gap:8px 20px;margin:16px 0 10px}
.sd-chip{
  display:inline-block;padding:1px 0 1px 9px;
  border-left:3px solid var(--sd-accent-mid);
  color:#5a6b6a;
  font-size:14px;font-weight:500;
  line-height:1.5;
}
/* ---------- Checklist (よくある症状) ---------- */
.sd-checklist{
  list-style:none;padding:28px 36px;margin:0 0 24px;
  background:#f3f3ee;border-radius:16px;
  columns:1;column-gap:48px;
}
@media(min-width:720px){
  .sd-checklist{columns:2}
}
.sd-checklist li{break-inside:avoid}
.sd-checklist li{
  display:flex;align-items:baseline;gap:10px;
  padding:10px 0;
  font-size:15px;line-height:1.8;color:#444;
  text-align:left;
}
.sd-checklist li .ck{
  color:#8bc34a;font-size:20px;flex-shrink:0;
  line-height:1;position:relative;top:2px;
}

/* ---------- Highlight text ---------- */
.sd-highlight{
  font-weight:800;color:var(--sd-accent);
  background:
    linear-gradient(transparent 60%,rgba(255,183,77,.35) 60%,rgba(255,152,0,.25) 100%);
  padding:0 2px;
  text-decoration:none;
  transition:background .4s var(--sd-ease-out);
}
.sd-highlight:hover{
  background:
    linear-gradient(transparent 50%,rgba(255,183,77,.5) 50%,rgba(255,152,0,.35) 100%);
}

/* ---------- Note box ---------- */
.sd-note{
  margin-top:28px;padding:22px 26px;border-radius:18px;
  background:linear-gradient(135deg,#fff8e1 0%,#fffde7 100%);
  border-left:4px solid #ffb300;
  font-size:13.5px;line-height:1.9;color:#5d4e1a;
  position:relative;overflow:hidden;
}
.sd-note::before{
  content:'';position:absolute;top:-20px;right:-20px;
  width:80px;height:80px;border-radius:50%;
  background:rgba(255,179,0,.08);pointer-events:none;
}
.sd-note strong{color:#ef6c00;display:block;margin-bottom:6px;font-size:14px;text-align:left}
.sd-note{text-align:left}
.sd-note--gap-sm{margin-top:24px}
.sd-note--gap-lg{margin-top:32px}
.sd-h4-accent{color:#ef6c00}

/* ---------- CTA ---------- */
.sd-cta{
  margin-top:80px;border-radius:36px;padding:68px 36px;
  text-align:center;
  background:linear-gradient(135deg,#7cb342 0%,#4a8a3e 50%,#33691e 100%);
  color:#fff;
  box-shadow:
    0 28px 80px rgba(85,139,47,.3),
    inset 0 1px 0 rgba(255,255,255,.15);
  position:relative;overflow:hidden;
}
.sd-cta::before{
  content:'';position:absolute;top:-40%;right:-5%;
  width:500px;height:500px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.1),transparent 65%);
  pointer-events:none;
  animation:sd-heroOrb 20s ease-in-out infinite alternate;
}
.sd-cta::after{
  content:'';position:absolute;bottom:-30%;left:-10%;
  width:400px;height:400px;border-radius:50%;
  background:radial-gradient(circle,rgba(174,213,129,.12),transparent 65%);
  pointer-events:none;
}
.sd-cta h3{
  font-size:28px;font-weight:800;margin:0 0 14px;
  position:relative;letter-spacing:.04em;
}
.sd-cta p{
  font-size:15px;line-height:1.9;margin:0 0 32px;
  opacity:.9;position:relative;max-width:50ch;margin-left:auto;margin-right:auto;
}
.sd-cta a.tel{
  display:inline-flex;align-items:center;gap:14px;
  padding:20px 40px;
  background:#fff;color:var(--sd-accent);
  font-size:24px;font-weight:800;
  border-radius:999px;text-decoration:none;
  box-shadow:0 14px 36px rgba(0,0,0,.2);
  transition:all .4s var(--sd-ease-spring);
  position:relative;
}
.sd-cta a.tel:hover{
  transform:translateY(-4px) scale(1.02);
  box-shadow:0 20px 48px rgba(0,0,0,.25);
}

/* ---------- Related ---------- */
.sd-related{
  margin-top:60px;padding:40px;
  background:var(--sd-glass);
  backdrop-filter:blur(12px) saturate(150%);
  -webkit-backdrop-filter:blur(12px) saturate(150%);
  border-radius:28px;
  border:1px solid var(--sd-glass-border);
  box-shadow:0 4px 20px rgba(85,139,47,.04);
}
.sd-related h3{
  font-size:16px;font-weight:800;color:var(--sd-accent);
  margin:0 0 18px;letter-spacing:.06em;
}
.sd-related-list{display:flex;flex-wrap:wrap;gap:10px}
.sd-related-list a{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 20px;
  background:var(--sd-bg-tint);color:var(--sd-accent);
  font-size:13px;font-weight:700;
  border-radius:999px;text-decoration:none;
  border:1px solid rgba(139,195,74,.25);
  transition:all .35s var(--sd-ease-out);
}
.sd-related-list a:hover{
  background:var(--sd-accent-mid);color:#fff;
  transform:translateY(-2px);
  box-shadow:0 6px 18px rgba(85,139,47,.18);
}
.sd-related-list a::after{content:'→';font-weight:400;transition:transform .3s ease}
.sd-related-list a:hover::after{transform:translateX(4px)}

/* ---------- Back link ---------- */
.sd-back{
  display:inline-flex;align-items:center;gap:10px;
  margin-top:52px;color:var(--sd-accent-dark);
  font-weight:700;font-size:14px;text-decoration:none;
  transition:gap .3s ease,color .3s ease;
}
.sd-back:hover{gap:16px;color:var(--sd-accent)}
.sd-back::before{
  content:'←';font-size:18px;
  transition:transform .3s var(--sd-ease-spring);
}
.sd-back:hover::before{transform:translateX(-4px)}

/* ---------- Reveal animation (IntersectionObserver) ---------- */
.sd-reveal{
  opacity:0;
  transform:translateY(40px);
  transition:opacity .7s var(--sd-ease-out),transform .7s var(--sd-ease-out);
}
.sd-reveal.sd-visible{
  opacity:1;
  transform:translateY(0);
}
/* stagger delay for consecutive sections */
.sd-reveal:nth-child(2){transition-delay:.05s}
.sd-reveal:nth-child(3){transition-delay:.1s}
.sd-reveal:nth-child(4){transition-delay:.15s}

/* 文字サイズ切替（大中小）は css/services-mega.css に集約（全ページ統一）。
   旧 .sd-fontsize 浮動コントロールは未使用のため削除。 */

/* ---------- SP responsive ---------- */
@media(max-width:640px){
  .sd-hero{padding:80px 16px 56px}
  /* SPでは緑のグラデーション外す（背景画像をクリアに） */
  .sd-hero::before{background:rgba(0,0,0,.5)}
  .sd-title{font-size:28px}
  .sd-body{border-radius:20px}
  .sd-cta{padding:48px 20px;border-radius:28px}
  .sd-cta h3{font-size:22px}
  .sd-cta a.tel{font-size:20px;padding:16px 28px}
  .sd-related{padding:28px 20px}
  .sd-toc a{padding:6px 14px;font-size:12px}
}