/* ============================================================
   自費リハビリLP — 本家 irislink.co.jp 準拠の和モダンデザイン
   菖蒲色 #5C5090 × 浅葱 #4A7FA5、しっぽり明朝×Noto Sans、直線基調
   ============================================================ */
:root {
  --color-bg: #F6F8FA;
  --color-surface: #EFEDF6;
  --color-text: #2B2B33;
  --color-divider: rgba(43, 43, 51, 0.14);
  --color-accent: #5C5090;
  --color-accent-100: #F0EEF7;
  --color-accent-200: #E2DEF0;
  --color-accent-300: #C6C0E0;
  --color-accent-400: #A49BD0;
  --color-accent-500: #7F74B8;
  --color-accent-600: #463D75;
  --color-accent-700: #3D3873;
  --color-accent-800: #322C57;
  --color-accent-900: #262347;
  --color-asagi: #4A7FA5;
  --color-asagi-light: #EAF2F8;
  --color-neutral-100: #F8F7FB;
  --color-neutral-200: #EDECF4;
  --color-neutral-300: #DBD9E6;
  --color-neutral-600: #6F717E;
  --color-neutral-700: #605D75;
  --color-neutral-900: #322C57;
  --font-heading: "Shippori Mincho B1", "Noto Serif JP", "Yu Mincho", "YuMincho", "Hiragino Mincho ProN", serif;
  --font-body: "Noto Sans JP", ui-sans-serif, system-ui, -apple-system, "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  --space-1: 4.6px; --space-2: 9.2px; --space-3: 13.8px;
  --space-4: 18.4px; --space-6: 27.6px; --space-8: 36.8px;
  --radius-sm: 2px; --radius-md: 3px; --radius-lg: 4px;
  --shadow-sm: 0 2px 12px rgba(50, 44, 87, 0.06);
  --shadow-md: 0 6px 24px rgba(50, 44, 87, 0.10);
  --shadow-lg: 0 12px 36px rgba(50, 44, 87, 0.16);
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { overflow-x: clip; }
body {
  margin: 0; background: var(--color-bg); color: var(--color-text);
  font-family: var(--font-body); font-size: 16px; line-height: 2.0;
  letter-spacing: 0.03em; -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading); font-weight: 600;
  line-height: 1.6; margin: 0 0 var(--space-2); color: var(--color-text);
}
h2 { font-size: 26px; letter-spacing: 0.08em; }
/* 本家の sec-label 風：罫線＋広い字間の英字ラベル */
h6 {
  display: inline-flex; align-items: center; gap: 14px;
  font-size: 11px; letter-spacing: 0.32em; text-transform: uppercase;
  font-weight: 600; margin-bottom: 16px;
}
h6::before { content: ""; width: 32px; height: 1px; background: currentColor; opacity: 0.7; }
p { margin: 0 0 var(--space-3); text-wrap: pretty; }
a { color: var(--color-accent); text-underline-offset: 3px; }
img { display: block; max-width: 100%; }
:focus { outline: none; }
:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }
::selection { background: rgba(92, 80, 144, 0.25); }
.text-muted { color: var(--color-neutral-600); }
.hr { height: 1px; border: 0; margin: var(--space-4) 0; background: var(--color-divider); }

/* ── ナビ（本家topbar風：白ブラー＋下辺2pxの菖蒲線） ── */
.nav {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--space-4); padding: var(--space-2) var(--space-4);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 2px solid var(--color-accent);
  transition: box-shadow 0.3s;
}
.nav.scrolled { box-shadow: 0 2px 16px rgba(50, 44, 87, 0.08); }
.nav > div:first-child { min-width: 0; flex: 1 1 auto; }
.nav-brand {
  font-family: var(--font-heading); font-weight: 700; font-size: 17px;
  letter-spacing: 0.06em; color: var(--color-text);
  white-space: normal; min-width: 0;
}

/* ── ボタン（本家準拠：直線・字間広め・フラット） ── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  cursor: pointer; text-decoration: none;
  font-family: var(--font-body); font-weight: 600;
  font-size: 14px; line-height: 1.2; letter-spacing: 0.12em;
  color: var(--color-text);
  background: transparent; border: 1px solid transparent;
  padding: var(--space-2) calc(var(--space-3) * 1.4);
  border-radius: var(--radius-md);
  transition: background 0.25s, box-shadow 0.25s;
}
.btn-primary { color: var(--color-accent); border-color: var(--color-accent); background: #fff; }
.btn-primary:hover { background: var(--color-accent-100); }
.btn-fill {
  background: var(--color-accent); color: #fff; border-color: var(--color-accent);
  box-shadow: 0 3px 14px rgba(92, 80, 144, 0.22);
}
.btn-fill:hover { background: var(--color-accent-600); box-shadow: 0 6px 20px rgba(92, 80, 144, 0.3); }

/* ── カード（本家feat-card風：白地・1px枠・上辺2pxの菖蒲線） ── */
.card {
  display: flex; flex-direction: column; gap: var(--space-2);
  padding: var(--space-4); border-radius: var(--radius-md);
  background: #fff; border: 1px solid var(--color-divider);
  border-top: 2px solid var(--color-accent);
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.25s;
}
.card:hover { box-shadow: var(--shadow-md); }
.card-kicker {
  font-size: 10.5px; letter-spacing: 0.26em; text-transform: uppercase;
  color: var(--color-asagi); font-weight: 600;
}
.card-title { font-family: var(--font-heading); font-size: 19px; font-weight: 600; line-height: 1.6; letter-spacing: 0.05em; margin: 0; }
.card-body { margin: 0; font-size: 14.5px; line-height: 2.0; color: var(--color-neutral-600); flex: 1; }
.card-meta { display: flex; align-items: center; gap: 6px; font-size: 11.5px; color: var(--color-neutral-600); letter-spacing: 0.06em; }

/* ── タグ ── */
.tag {
  display: inline-block; font-size: 12px; letter-spacing: 0.06em;
  padding: 5px 14px; border-radius: 0;
}
.tag-accent {
  background: transparent; color: var(--color-accent-700);
  border: 1px solid rgba(92, 80, 144, 0.4);
}

/* ── ヒーロー（本家風：淡い地に細い輪郭円） ── */
.hero-bg {
  position: relative; overflow: hidden;
  background:
    radial-gradient(620px 360px at 90% 0%, rgba(92, 80, 144, 0.07), transparent 62%),
    radial-gradient(520px 340px at 0% 100%, rgba(74, 127, 165, 0.08), transparent 60%),
    linear-gradient(170deg, #FCFDFE 0%, #F3F5FA 100%);
}
.hero-bg::before {
  content: ""; position: absolute; top: -170px; right: -130px;
  width: 520px; height: 520px; border-radius: 50%;
  border: 1px solid rgba(92, 80, 144, 0.2); z-index: 0;
}
.hero-bg::after {
  content: ""; position: absolute; top: -110px; right: -70px;
  width: 370px; height: 370px; border-radius: 50%;
  border: 1px solid rgba(74, 127, 165, 0.16); z-index: 0;
}
.hero-bg > div { position: relative; z-index: 1; }
.hero-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: var(--space-8); align-items: center; }

/* 写真：直線の額装（細枠＋オフセットの面） */
.hero-fig { position: relative; margin: 0; }
.hero-fig::before {
  content: ""; position: absolute; top: 16px; right: -14px; bottom: -14px; left: 16px;
  background: var(--color-surface); z-index: 0;
}
.hero-fig img {
  position: relative; z-index: 1; width: 100%; height: auto;
  aspect-ratio: 4/3; object-fit: cover;
  border: 1px solid var(--color-divider);
  outline: 6px solid #fff;
  box-shadow: var(--shadow-lg);
  border-radius: 0; filter: none;
}

/* 信頼チップ：角ばった細枠 */
.trust { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.trust span {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 12px; letter-spacing: 0.04em; color: var(--color-accent-700);
  background: #fff; border: 1px solid rgba(92, 80, 144, 0.35);
  border-radius: var(--radius-sm); padding: 5px 13px;
}
.trust span::before { content: "✓"; color: var(--color-asagi); font-weight: 700; }

/* ── 比較表 ── */
.table-wrap {
  overflow-x: auto; background: #fff;
  border: 1px solid var(--color-divider); border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}
.table { width: 100%; border-collapse: collapse; font-size: 15px; line-height: 1.9; }
.table th {
  text-align: left; font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--color-neutral-600); font-weight: 600;
  padding: 12px 16px; border-bottom: 1px solid var(--color-divider);
  background: var(--color-neutral-100);
}
.table td { padding: 12px 16px; border-bottom: 1px solid var(--color-divider); }
.table th:last-child, .table td:last-child { background: var(--color-accent-100); }
.table tr:last-child td { border-bottom: none; }

/* ── FAQ（開閉式） ── */
.faq-acc details { border-bottom: 1px solid var(--color-divider); }
.faq-acc summary {
  cursor: pointer; list-style: none; display: flex; gap: 12px; align-items: baseline;
  padding: 17px 4px; font-family: var(--font-heading); font-weight: 600;
  font-size: 16.5px; letter-spacing: 0.05em; line-height: 1.7;
  transition: color 0.2s;
}
.faq-acc summary::-webkit-details-marker { display: none; }
.faq-acc summary .q { color: var(--color-accent); flex: none; }
.faq-acc summary::after { content: "＋"; margin-left: auto; color: var(--color-neutral-600); flex: none; font-size: 17px; font-family: var(--font-body); }
.faq-acc details[open] summary { color: var(--color-accent-700); }
.faq-acc details[open] summary::after { content: "－"; }
.faq-acc .ans { display: flex; gap: 12px; padding: 0 4px 18px; font-size: 14.5px; color: var(--color-neutral-600); line-height: 2.0; }
.faq-acc .ans .a { color: var(--color-asagi); font-family: var(--font-heading); font-weight: 700; flex: none; }

.price-note { font-size: 15px; color: var(--color-asagi); margin-top: var(--space-2); }

/* ── 透かし文字（本家watermark風） ── */
[data-wm] { position: relative; overflow: hidden; }
.watermark {
  position: absolute; top: 12px; right: -6px; z-index: 0;
  font-family: var(--font-heading); font-weight: 600; line-height: 1;
  font-size: clamp(56px, 8.5vw, 108px); letter-spacing: 0.04em;
  color: transparent; -webkit-text-stroke: 1px rgba(92, 80, 144, 0.09);
  pointer-events: none; user-select: none; white-space: nowrap;
}

/* ── 追従CTA ── */
@keyframes om-slideup { from { transform: translateY(100%); } to { transform: translateY(0); } }
#sticky-cta {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 10;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  border-top: 1px solid var(--color-divider);
  box-shadow: 0 -4px 20px rgba(50, 44, 87, 0.1);
  padding: var(--space-2) var(--space-3);
  display: none; gap: var(--space-2); justify-content: center;
  animation: om-slideup 0.35s ease;
}
#sticky-cta.show { display: flex; }
@media (prefers-reduced-motion: reduce) { #sticky-cta { animation: none; } }

/* ── スクロールリビール ── */
.rv { opacity: 0; transform: translateY(22px); transition: opacity 0.9s ease, transform 0.9s ease; transition-delay: var(--d, 0s); }
.rv.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .rv { opacity: 1; transform: none; transition: none; } }

/* ── モバイル最適化 ── */
@media (max-width: 780px) {
  body { font-size: 15px; letter-spacing: 0.02em; line-height: 1.95; }
  .nav { padding: 8px 14px; gap: 10px; }
  .nav > div { gap: 8px !important; }
  .nav img { height: 24px !important; }
  .nav-brand { font-size: 13.5px; line-height: 1.4; letter-spacing: 0.03em; }
  .nav-brand span { font-size: 11.5px !important; }
  .nav .btn-primary { font-size: 12px !important; min-height: 34px !important; padding: 6px 12px !important; letter-spacing: 0.06em !important; }
  .tag-accent {
    display: inline-block !important; white-space: normal !important;
    font-size: 11.5px !important; padding: 6px 14px !important;
    letter-spacing: 0.04em !important; line-height: 1.8; text-align: center;
    max-width: 100%;
  }
  h1 { font-size: 26px !important; letter-spacing: 0.04em !important; line-height: 1.6 !important; }
  h2 { font-size: 20px; letter-spacing: 0.06em; }
  h6 { font-size: 10.5px; letter-spacing: 0.24em; }
  .hero-grid { grid-template-columns: 1fr; gap: var(--space-4); }
  .hero-fig::before { top: 10px; right: -8px; bottom: -8px; left: 10px; }
  .trust { gap: 7px; margin-top: 14px; }
  .trust span { font-size: 10.5px; padding: 4px 10px; }
  .card { padding: 16px 15px; }
  .card-title { font-size: 17px; }
  .card-body { font-size: 14px !important; line-height: 1.9; }
  .table { font-size: 13px; line-height: 1.7; }
  .table th, .table td { padding: 9px 10px; }
  .faq-acc summary { font-size: 15px; padding: 14px 2px; }
  .faq-acc .ans { font-size: 13.5px; }
  .btn-fill { width: 100%; }
  #sticky-cta .btn-fill { width: auto; }
  .watermark { font-size: clamp(44px, 13vw, 76px); }
  footer { font-size: 13px; }
  /* インラインstyleの上書き */
  section p[style*="font-size:20px"], section p[style*="font-size:19px"] { font-size: 16.5px !important; }
  h3[style*="font-size:21px"] { font-size: 18px !important; }
  h3[style*="font-size:20px"] { font-size: 17.5px !important; }
  p[style*="font-size:16px"] { font-size: 14.5px !important; }
  p[style*="font-size:17px"] { font-size: 15px !important; }
  div[style*="font-size:46px"] { font-size: 38px !important; }
  span[style*="font-size:30px"] { font-size: 24px !important; }
}

/* ═══ stylish refinements（本家マーキー・額装・同心円） ═══ */

/* 輪郭文字マーキー v6：2段・逆方向、淡いグラデーションの丸帯 */
.marquee {
  overflow: hidden;
  background: linear-gradient(115deg, #F0EEF7 0%, #FDFDFE 48%, #EAF2F8 100%);
  border: 1px solid rgba(92, 80, 144, 0.12);
  border-radius: 999px;
  margin: 22px clamp(10px, 2.5vw, 28px);
  padding: 20px 0 16px;
}
.marquee-track {
  display: flex; align-items: center; gap: 56px;
  width: max-content; padding-right: 56px;
  animation: marquee 36s linear infinite;
}
.marquee-track span {
  font-family: var(--font-heading); font-weight: 600; white-space: nowrap;
  font-size: clamp(22px, 2.7vw, 34px); letter-spacing: 0.14em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(92, 80, 144, 0.36);
}
.marquee-track span i {
  font-style: normal; -webkit-text-stroke: 0;
  color: var(--color-asagi); font-size: 0.42em;
  vertical-align: middle; margin: 0 6px;
}
.marquee-track span b {
  color: var(--color-accent); -webkit-text-stroke: 0; font-weight: 600;
}
/* 2段目：逆方向にゆっくり流れる小さな英字 */
.marquee-rev {
  animation: marquee 46s linear infinite reverse;
  margin-top: 6px;
}
.marquee-rev span {
  font-family: var(--font-body); font-weight: 600;
  font-size: clamp(11px, 1.1vw, 13px); letter-spacing: 0.3em;
  text-transform: uppercase; color: var(--color-accent-500);
  -webkit-text-stroke: 0;
}
.marquee-rev span i { color: var(--color-asagi); font-size: 0.8em; }
@keyframes marquee { to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .marquee-track { animation: none; } }
@media (max-width: 780px) { .marquee { border-radius: 28px; padding: 14px 0 10px; } }

/* 信頼表記：チップをやめ、ヘアライン仕切りの上質な一列に */
.trust { gap: 0; margin-top: 20px; }
.trust span {
  background: transparent; border: none; border-left: 1px solid var(--color-accent-300);
  border-radius: 0; padding: 2px 16px 2px 14px;
  font-size: 12.5px; letter-spacing: 0.08em; color: var(--color-accent-700);
}
.trust span:first-child { border-left: 2px solid var(--color-asagi); }
.trust span::before { content: none; }

/* 料金カード：丸額装（曲線の飾り罫） */
.pcard { border-radius: 24px !important; border-color: var(--color-accent-300) !important; }
.pcard::before {
  content: ""; position: absolute; inset: 8px;
  border: 1px solid rgba(92, 80, 144, 0.22);
  border-radius: 17px;
  pointer-events: none;
}
.pcard > span[style*="border-radius:999px"] { letter-spacing: 0.24em !important; }

/* 予約セクション：紫紺に同心円（本家cta-strip風） */
#contact { position: relative; overflow: hidden; }
#contact::before {
  content: ""; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: 520px; height: 520px; border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.1); pointer-events: none;
}
#contact::after {
  content: ""; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: 700px; height: 700px; border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.06); pointer-events: none;
}
#contact > div { position: relative; z-index: 1; }
#contact .btn { letter-spacing: 0.14em; }

/* 透かしをわずかに強く・下寄せの表情 */
.watermark { -webkit-text-stroke: 1px rgba(92, 80, 144, 0.11); }

/* 余白のリズムを広く（ゆったりした高級感） */
@media (min-width: 781px) {
  section[data-wm] { padding-top: 64px !important; padding-bottom: 64px !important; }
}

/* ═══ v5: ナビメニュー・セクション帯・料金強調 ═══ */

/* ページ内ナビ（セクションアンカー） */
.nav-menu { display: flex; align-items: center; gap: 2px; flex: none; }
.nav-menu a {
  font-size: 13px; letter-spacing: 0.08em; color: var(--color-text);
  text-decoration: none; padding: 6px 11px; position: relative; white-space: nowrap;
}
.nav-menu a::after {
  content: ""; position: absolute; left: 11px; right: 11px; bottom: 1px;
  height: 1px; background: var(--color-accent);
  transform: scaleX(0); transform-origin: left; transition: transform 0.25s;
}
.nav-menu a:hover { color: var(--color-accent-700); }
.nav-menu a:hover::after { transform: scaleX(1); }
@media (max-width: 1100px) { .nav-menu { display: none; } }

/* フルブリードの交互背景帯 */
.band-white { background: #fff; border-top: 1px solid var(--color-divider); border-bottom: 1px solid var(--color-divider); }
.band-surface { background: var(--color-surface); }
.band-soft { background: var(--color-neutral-200); }

/* 料金：初回体験カードを主役に */
.pcard.is-hero { border: 2px solid var(--color-accent) !important; box-shadow: var(--shadow-md) !important; }
.pcard.is-hero::before { border-color: rgba(92, 80, 144, 0.35); }

/* ═══ v6: 曲線の意匠 ═══ */

/* ボタン・タグをピル形に */
.btn { border-radius: 999px; }
.tag { border-radius: 999px; }

/* カード類に丸み */
.card { border-radius: 18px; }
.table-wrap { border-radius: 18px; }

/* ヒーロー写真：大きな丸み＋背後の面も曲線に */
.hero-fig img { border-radius: 26px 26px 26px 90px; }
.hero-fig::before { border-radius: 90px 30px 30px 30px; }

/* 英字ラベルの罫線 → 小さな輪郭円 */
h6::before {
  width: 9px; height: 9px; border-radius: 50%;
  background: transparent; border: 1.5px solid currentColor; opacity: 0.75;
}

/* セクション帯：角丸パネルとして浮かせる */
.band-white, .band-surface, .band-soft, #contact {
  border-radius: 44px;
  margin-left: clamp(8px, 2.5vw, 28px);
  margin-right: clamp(8px, 2.5vw, 28px);
}
.band-white { border: 1px solid var(--color-divider); }
#contact { margin-bottom: 8px; }
@media (max-width: 780px) {
  .band-white, .band-surface, .band-soft, #contact { border-radius: 26px; }
}

/* ご利用の流れ：番号を輪郭円に */
#flow span[style*="width:40px"] {
  width: 54px !important; height: 54px; flex: none;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--color-accent-300); border-radius: 50%;
  background: #fff; box-shadow: var(--shadow-sm);
  font-size: 24px !important;
}
@media (max-width: 780px) {
  #flow span[style*="width:40px"] { width: 44px !important; height: 44px; font-size: 20px !important; }
}

/* FAQ：角丸カード化＋開閉マークを円に */
.faq-acc details {
  border: 1px solid var(--color-divider); border-radius: 18px;
  background: #fff; margin-bottom: 10px; padding: 0 18px;
  transition: box-shadow 0.25s;
}
.faq-acc details[open] { box-shadow: var(--shadow-sm); border-color: var(--color-accent-300); }
.faq-acc summary::after {
  width: 26px; height: 26px; flex: none;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--color-accent-300); border-radius: 50%;
  font-size: 13px; color: var(--color-accent-700);
}

/* 追従CTA：上角に丸み */
#sticky-cta { border-radius: 22px 22px 0 0; }

/* ヒーロー背景の輪郭円をやや強く */
.hero-bg::before { border-color: rgba(92, 80, 144, 0.26); }
.hero-bg::after { border-color: rgba(74, 127, 165, 0.2); }

/* ヒーローのセカンダリリンク */
.hero-sub-link {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 14px; letter-spacing: 0.08em; color: var(--color-accent-700);
  text-decoration: none; border-bottom: 1px solid var(--color-accent-300);
  padding: 2px 1px; margin-left: 18px;
}
.hero-sub-link:hover { color: var(--color-accent); border-bottom-color: var(--color-accent); }
@media (max-width: 780px) {
  .hero-sub-link { margin-left: 0; margin-top: 12px; }
}