/* ===================================================
   rest time — Feminine Tiffany Design
   Light · Soft · Elegant
   =================================================== */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;1,300;1,400&family=Noto+Sans+JP:wght@300;400;500&family=Noto+Serif+JP:wght@200;300;400&family=Shippori+Mincho:wght@300;400&display=swap');

:root {
  --tiffany: #0ABAB5;
  --tiffany-mid: #3ECAC6;
  --tiffany-light: #A8E6E4;
  --tiffany-pale: #E8F8F7;
  --tiffany-ultra: #F2FBFB;
  --dark: #2C3A3A;
  --text: #3A4A4A;
  --text-mid: #5A7070;
  --text-light: #7A9090;
  --white: #FFFFFF;
  --gray-50: #F8FAFA;
  --gray-100: #F0F5F5;
  --gray-200: #DDE8E8;
  --shadow-sm: 0 2px 8px rgba(10,186,181,0.06);
  --shadow-md: 0 6px 24px rgba(10,186,181,0.10);
  --shadow-lg: 0 16px 48px rgba(10,186,181,0.13);
  --radius: 4px;
  --radius-lg: 12px;
  --radius-pill: 100px;
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --dur: 0.35s;
  --sans: "Noto Sans JP", "Hiragino Kaku Gothic ProN", sans-serif;
  --serif: "Noto Serif JP", "Shippori Mincho", "游明朝", serif;
  --en: "Cormorant Garamond", Georgia, serif;
  --max-w: 1080px;
  --h: 68px;
}

/* ─── Reset ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; scroll-padding-top: var(--h); -webkit-text-size-adjust: 100%; }
body { font-family: var(--sans); color: var(--text); background: var(--white); line-height: 1.9; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--tiffany); text-decoration: none; transition: color var(--dur) var(--ease); }
a:hover { color: var(--tiffany-mid); }

/* ─── Layout ─── */
.container { width: min(92%, var(--max-w)); margin-inline: auto; }
section { padding: clamp(4rem, 7vw, 6rem) 0; }
.section-light { background: var(--tiffany-ultra); }
.section-pale { background: var(--gray-50); }

/* ─── Header ─── */
.site-header {
  position: fixed; top: 0; left: 0; right: 0;
  height: var(--h); z-index: 1000;
  background: rgba(255,255,255,0.94);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(10,186,181,0.10);
  transition: box-shadow var(--dur) var(--ease);
}
.site-header.scrolled { box-shadow: 0 2px 20px rgba(10,186,181,0.10); }

.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 100%; max-width: var(--max-w); margin-inline: auto;
  padding: 0 clamp(1.2rem, 4vw, 2.5rem);
}

/* Logo */
.logo-wrap { display: flex; flex-direction: column; line-height: 1; text-decoration: none; }
.logo-en {
  font-family: var(--en); font-size: 1.85rem; font-weight: 300;
  letter-spacing: 0.18em; color: var(--tiffany); line-height: 1.2;
}
.logo-sub {
  font-size: 0.62rem; letter-spacing: 0.22em; color: var(--text-light);
  text-transform: uppercase; margin-top: 2px;
}

/* Navigation */
.header-nav { display: flex; align-items: center; gap: 0; }
.nav-links { display: flex; list-style: none; gap: 0; }
.nav-links a {
  display: block; padding: 0.4em 0.9em;
  font-size: 0.78rem; letter-spacing: 0.06em;
  color: var(--text-mid); font-weight: 400;
  transition: color var(--dur) var(--ease);
  white-space: nowrap;
}
.nav-links a:hover, .nav-links a.active { color: var(--tiffany); }

.btn-reserve {
  display: inline-flex; align-items: center;
  padding: 0.55em 1.4em; margin-left: 1rem;
  border: 1px solid var(--tiffany); border-radius: var(--radius-pill);
  font-size: 0.78rem; letter-spacing: 0.08em; color: var(--tiffany);
  background: transparent; transition: all var(--dur) var(--ease);
  white-space: nowrap;
}
.btn-reserve:hover {
  background: var(--tiffany); color: #fff;
  box-shadow: 0 4px 16px rgba(10,186,181,0.25);
}

/* Hamburger */
.hamburger {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 6px; z-index: 1001;
}
.hamburger span {
  display: block; width: 22px; height: 1.5px;
  background: var(--text-mid); border-radius: 2px;
  transition: all var(--dur) var(--ease);
}
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(4.5px, 4.5px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(4.5px, -4.5px); }

/* ─── Info Bar ─── */


/* ─── HERO ─── */
.hero {
  min-height: 100vh;
  background: linear-gradient(145deg, var(--tiffany-ultra) 0%, #f5fcfc 50%, var(--white) 100%);
  padding-top: calc(var(--h) + 60px);
  padding-bottom: 60px;
  display: flex; align-items: center;
  position: relative; overflow: hidden;
}

/* Decorative circle */
.hero::after {
  content: "";
  position: absolute; right: -5vw; top: 50%; transform: translateY(-50%);
  width: clamp(320px, 50vw, 680px); height: clamp(320px, 50vw, 680px);
  border-radius: 50%;
  border: 1px solid rgba(10,186,181,0.12);
  pointer-events: none;
}
.hero::before {
  content: "";
  position: absolute; right: 2vw; top: 50%; transform: translateY(-50%);
  width: clamp(220px, 36vw, 480px); height: clamp(220px, 36vw, 480px);
  border-radius: 50%;
  border: 1px solid rgba(10,186,181,0.08);
  pointer-events: none;
}

.hero-inner { position: relative; z-index: 1; }

.hero-badge {
  display: inline-block;
  padding: 0.4em 1.2em; margin-bottom: 2rem;
  border: 1px solid var(--tiffany-light); border-radius: var(--radius-pill);
  font-size: 0.68rem; letter-spacing: 0.18em; color: var(--tiffany);
  text-transform: uppercase;
}

.hero-heading {
  font-family: var(--serif);
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 200; line-height: 1.3;
  color: var(--dark); letter-spacing: 0.05em;
  margin-bottom: 0.6em;
}

.hero-heading em {
  font-style: normal; color: var(--tiffany);
  font-family: var(--serif); font-weight: 200;
}

.hero-sub-en {
  font-family: var(--en); font-size: 0.82rem;
  letter-spacing: 0.22em; color: var(--text-light);
  text-transform: uppercase; margin-bottom: 2rem;
}

.hero-desc {
  font-size: 0.9rem; color: var(--text-mid);
  line-height: 2; max-width: 440px; margin-bottom: 2.5rem;
}

.hero-buttons { display: flex; gap: 1rem; flex-wrap: wrap; }

/* ─── Buttons ─── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.4em;
  padding: 0.85em 2.2em; border-radius: var(--radius-pill);
  font-size: 0.85rem; font-weight: 400; letter-spacing: 0.06em;
  cursor: pointer; transition: all var(--dur) var(--ease);
  border: 1px solid transparent; text-decoration: none;
  font-family: var(--sans);
}

.btn-primary {
  background: var(--tiffany); color: #fff; border-color: var(--tiffany);
  box-shadow: 0 4px 20px rgba(10,186,181,0.28);
}
.btn-primary:hover {
  background: var(--tiffany-mid); border-color: var(--tiffany-mid);
  transform: translateY(-2px); box-shadow: 0 8px 28px rgba(10,186,181,0.35);
  color: #fff;
}

.btn-outline {
  background: transparent; color: var(--tiffany); border-color: var(--tiffany);
}
.btn-outline:hover {
  background: var(--tiffany); color: #fff; transform: translateY(-2px);
}

.btn-ghost {
  background: transparent; color: var(--text-mid); border-color: var(--gray-200);
}
.btn-ghost:hover { border-color: var(--tiffany); color: var(--tiffany); }

.btn-lg { padding: 1em 2.8em; font-size: 0.92rem; }

/* ─── Section Titles ─── */
.section-label {
  display: block; font-family: var(--en);
  font-size: 0.7rem; letter-spacing: 0.25em; color: var(--tiffany);
  text-transform: uppercase; margin-bottom: 0.8em;
}

.section-title {
  font-family: var(--serif); font-size: clamp(1.5rem, 3.5vw, 2.2rem);
  font-weight: 300; color: var(--dark); line-height: 1.5;
  letter-spacing: 0.05em; margin-bottom: 0.5em;
}

.section-title em { font-style: normal; color: var(--tiffany); }

.section-lead {
  font-size: 0.88rem; color: var(--text-mid); line-height: 2; max-width: 560px;
}

.section-lead.center { text-align: center; margin-inline: auto; }

.divider {
  display: block; width: 40px; height: 1px;
  background: var(--tiffany-light); margin: 1.5em 0;
}
.divider.center { margin-inline: auto; }

/* ─── About ─── */
.about-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 5rem); align-items: center;
}
.about-img {
  border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow-md);
}
.about-img img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.about-text { }
.about-text p { font-size: 0.88rem; color: var(--text-mid); line-height: 2.1; margin-bottom: 1.2em; }
.about-links { display: flex; gap: 1rem; margin-top: 1.8rem; flex-wrap: wrap; }

/* ─── Feature ─── */
.feature-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem); align-items: center;
}
.feature-grid.reverse { direction: rtl; }
.feature-grid.reverse > * { direction: ltr; }

.feature-img {
  border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow-md);
}
.feature-img img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }

.feature-text .section-label { margin-bottom: 0.6em; }
.feature-text h3 {
  font-family: var(--serif); font-size: clamp(1.3rem, 2.5vw, 1.8rem);
  font-weight: 300; color: var(--dark); margin-bottom: 0.8em;
  letter-spacing: 0.05em;
}
.feature-text p { font-size: 0.87rem; color: var(--text-mid); line-height: 2.1; margin-bottom: 1em; }
.feature-text a { font-size: 0.82rem; }

/* ─── Services Cards ─── */
.services-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem;
}

.service-card {
  background: var(--white); border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200); overflow: hidden;
  transition: all var(--dur) var(--ease);
}
.service-card:hover { border-color: var(--tiffany-light); box-shadow: var(--shadow-md); transform: translateY(-4px); }

.service-card-img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }

.service-card-body { padding: 1.4rem; }
.service-card-body h3 {
  font-family: var(--serif); font-size: 1.05rem; font-weight: 300;
  color: var(--dark); margin-bottom: 0.5em; letter-spacing: 0.04em;
}
.service-card-body p { font-size: 0.82rem; color: var(--text-mid); line-height: 1.85; margin-bottom: 1rem; }

.service-link {
  font-size: 0.92rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--tiffany); font-family: var(--en); display: inline-flex;
  align-items: center; gap: 0.4em;
}
.service-link::after { content: "→"; transition: transform var(--dur) var(--ease); }
.service-card:hover .service-link::after { transform: translateX(4px); }

/* ─── Pricing ─── */
.price-table {
  width: 100%; border-collapse: collapse;
  border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow-sm); margin: 1.5rem 0;
}
.price-table thead { background: var(--tiffany-pale); }
.price-table th {
  padding: 1em 1.5em; font-size: 0.78rem; font-weight: 500;
  color: var(--tiffany); letter-spacing: 0.08em; text-align: left;
}
.price-table td {
  padding: 0.9em 1.5em; border-bottom: 1px solid var(--gray-100);
  font-size: 0.88rem; color: var(--text); white-space: nowrap;
}
.price-table tbody tr:last-child td { border-bottom: none; }
.price-table tbody tr:hover { background: var(--tiffany-ultra); }
.price-table .price-val { font-weight: 500; color: var(--tiffany); white-space: nowrap; }
.course-standard {
  font-size: 0.75rem; color: #999; margin-left: 0.3em;
}

/* ─── Content Box ─── */
.content-box {
  background: var(--white); border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200); padding: clamp(1.6rem, 4vw, 2.8rem);
  margin-bottom: 1.8rem; box-shadow: var(--shadow-sm);
}
.content-box h2 {
  font-family: var(--serif); font-size: 1.15rem; font-weight: 300;
  color: var(--dark); margin-bottom: 1em; padding-bottom: 0.8em;
  border-bottom: 1px solid var(--gray-100); letter-spacing: 0.04em;
}
.content-box h3 {
  font-family: var(--serif); font-size: 1rem; font-weight: 300;
  color: var(--dark); margin: 1.2em 0 0.5em;
}
.content-box p { font-size: 0.88rem; color: var(--text-mid); line-height: 2.1; margin-bottom: 1em; }
.content-box p:last-child { margin-bottom: 0; }

/* ─── Highlight / Note ─── */
.highlight {
  background: var(--tiffany-pale); border-left: 3px solid var(--tiffany);
  padding: 1em 1.4em; border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 0.87rem; color: var(--text-mid); margin: 1.2em 0; line-height: 1.9;
}
.notice {
  background: var(--gray-50); border: 1px solid var(--gray-200);
  padding: 1em 1.4em; border-radius: var(--radius);
  font-size: 0.84rem; color: var(--text-light); line-height: 1.9; margin: 1.2em 0;
}

/* ─── FAQ ─── */
.faq-item {
  border-bottom: 1px solid var(--gray-100);
}
.faq-q {
  display: flex; align-items: center; gap: 1em;
  padding: 1.2em 0; cursor: pointer;
  font-size: 0.9rem; color: var(--text); font-weight: 400;
  transition: color var(--dur) var(--ease); list-style: none;
  -webkit-tap-highlight-color: transparent;
}
.faq-q:hover { color: var(--tiffany); }
.faq-q-mark {
  flex-shrink: 0; width: 28px; height: 28px;
  border: 1px solid var(--tiffany-light); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.75rem; font-family: var(--en); color: var(--tiffany);
  font-style: italic; letter-spacing: 0;
}
.faq-q-text { flex: 1; }
.faq-icon {
  flex-shrink: 0; width: 18px; height: 18px;
  position: relative; transition: transform var(--dur) var(--ease);
}
.faq-icon::before, .faq-icon::after {
  content: ""; position: absolute; background: var(--tiffany);
  border-radius: 2px; top: 50%; left: 50%; transform: translate(-50%, -50%);
}
.faq-icon::before { width: 12px; height: 1.5px; }
.faq-icon::after { width: 1.5px; height: 12px; transition: opacity var(--dur) var(--ease); }
.faq-item.open .faq-icon::after { opacity: 0; }

.faq-a {
  max-height: 0; overflow: hidden;
  transition: max-height 0.45s cubic-bezier(0.4, 0, 0.2, 1), padding var(--dur) var(--ease);
  padding-left: calc(28px + 1em);
}
.faq-item.open .faq-a { max-height: 500px; }
.faq-a-inner {
  padding-bottom: 1.4em;
  font-size: 0.86rem; color: var(--text-mid); line-height: 2.1;
}

/* ─── Testimonials ─── */
.testimonial {
  background: var(--white); border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200); padding: 2rem;
  box-shadow: var(--shadow-sm); margin-bottom: 1.2rem; position: relative;
}
.testimonial-who {
  font-size: 0.95rem; color: var(--tiffany); letter-spacing: 0.06em;
  margin-bottom: 0.8em; font-weight: 500;
}
.testimonial-text { font-size: 0.87rem; color: var(--text-mid); line-height: 2.1; }

/* ─── SNS ─── */
.sns-row { display: flex; gap: 0.8rem; margin-top: 1rem; }
.sns-btn {
  width: 44px; height: 44px; border-radius: 50%;
  border: 1px solid var(--gray-200);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-mid); transition: all var(--dur) var(--ease);
}
.sns-btn:hover { border-color: var(--tiffany); color: var(--tiffany); background: var(--tiffany-ultra); }
.sns-btn svg { width: 18px; height: 18px; fill: currentColor; }

/* LINE */
.btn-line {
  display: inline-flex; align-items: center; gap: 0.5em;
  padding: 0.75em 1.8em; background: #06C755; color: #fff;
  border-radius: var(--radius-pill); font-size: 0.85rem;
  border: none; transition: all var(--dur) var(--ease);
}
.btn-line:hover { background: #05b54c; transform: translateY(-2px); color: #fff; }
.btn-line svg { width: 18px; height: 18px; fill: #fff; }

/* ─── CTA Section ─── */
.cta-section {
  background: linear-gradient(135deg, var(--tiffany-pale) 0%, var(--tiffany-ultra) 100%);
  text-align: center; padding: clamp(4rem, 7vw, 6rem) 0;
}
.cta-section .section-title { text-align: center; }
.cta-section .section-lead { margin-inline: auto; }
.cta-info {
  font-size: 0.83rem; color: var(--text-mid);
  line-height: 2.1; margin: 1.5rem 0;
}
.cta-info strong { color: var(--dark); }
.cta-buttons { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; margin-top: 2rem; }
.cta-tel { font-family: var(--en); font-size: 1.8rem; font-weight: 300; color: var(--dark); letter-spacing: 0.06em; display: block; margin: 0.5em 0; }

/* ─── Page Header ─── */
.page-hero {
  background: linear-gradient(145deg, var(--tiffany-ultra) 0%, var(--white) 100%);
  padding: calc(var(--h) + 4rem) 0 3rem;
  border-bottom: 1px solid var(--gray-100);
}
.page-hero-label {
  font-family: var(--en); font-size: 0.68rem;
  letter-spacing: 0.25em; color: var(--tiffany);
  text-transform: uppercase; display: block; margin-bottom: 0.6em;
}
.page-hero h1 {
  font-family: var(--serif); font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 200; color: var(--dark); letter-spacing: 0.06em;
}
.breadcrumb {
  display: flex; gap: 0.5em; margin-top: 1.2em;
  font-size: 0.75rem; color: var(--text-light);
}
.breadcrumb a { color: var(--text-light); }
.breadcrumb a:hover { color: var(--tiffany); }
.breadcrumb span { opacity: 0.5; }

/* ─── Contact Form ─── */
.form-group { margin-bottom: 1.4rem; }
.form-label {
  display: block; font-size: 0.82rem; color: var(--text-mid);
  margin-bottom: 0.5em; letter-spacing: 0.04em;
}
.form-label .req { color: var(--tiffany); font-size: 0.7rem; margin-left: 0.3em; }
.form-control {
  width: 100%; padding: 0.8em 1em;
  border: 1px solid var(--gray-200); border-radius: var(--radius);
  font-family: var(--sans); font-size: 0.88rem; color: var(--text);
  background: var(--white); transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
  -webkit-appearance: none;
}
.form-control:focus {
  outline: none; border-color: var(--tiffany);
  box-shadow: 0 0 0 3px rgba(10,186,181,0.10);
}
textarea.form-control { min-height: 140px; resize: vertical; }

.contact-methods { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.2rem; margin-bottom: 3rem; }
.contact-method {
  background: var(--white); border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg); padding: 2rem 1.5rem; text-align: center;
  transition: all var(--dur) var(--ease);
}
.contact-method:hover { border-color: var(--tiffany-light); box-shadow: var(--shadow-md); transform: translateY(-3px); }
.contact-method-icon { font-size: 1.6rem; margin-bottom: 0.8rem; }
.contact-method h3 { font-family: var(--serif); font-size: 1rem; font-weight: 300; color: var(--dark); margin-bottom: 0.5em; }
.contact-method p { font-size: 0.82rem; color: var(--text-light); line-height: 1.8; margin-bottom: 1rem; }
.contact-tel { font-family: var(--en); font-size: 1.3rem; font-weight: 300; color: var(--dark); }

/* ─── Staff ─── */
.staff-intro { display: grid; grid-template-columns: 200px 1fr; gap: 2.5rem; align-items: start; }
.staff-avatar {
  width: 100%; aspect-ratio: 1; border-radius: 50%;
  background: var(--tiffany-pale); border: 3px solid var(--tiffany-light);
  overflow: hidden;
}
.staff-avatar img { width: 100%; height: 100%; object-fit: cover; }
.staff-info h2 { font-family: var(--serif); font-size: 1.5rem; font-weight: 300; color: var(--dark); margin-bottom: 0.2em; }
.staff-info .staff-role { font-size: 0.78rem; color: var(--tiffany); letter-spacing: 0.1em; margin-bottom: 1.2em; }
.staff-info p { font-size: 0.87rem; color: var(--text-mid); line-height: 2.1; margin-bottom: 0.8em; }

/* ─── Footer ─── */
.site-footer {
  background: var(--dark); color: rgba(255,255,255,0.55);
  padding: 4rem 0 2rem;
}
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 3rem; margin-bottom: 3rem; }
.footer-brand .logo-en { color: rgba(255,255,255,0.7); font-size: 1.3rem; }
.footer-brand .logo-sub { color: rgba(255,255,255,0.3); }
.footer-brand p { font-size: 0.78rem; line-height: 2; margin-top: 1.2em; }
.footer-col h4 {
  font-size: 0.72rem; letter-spacing: 0.18em; color: rgba(255,255,255,0.35);
  text-transform: uppercase; font-family: var(--en); margin-bottom: 1.2em;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 0.5em; }
.footer-col a { font-size: 0.82rem; color: rgba(255,255,255,0.55); transition: color var(--dur) var(--ease); }
.footer-col a:hover { color: var(--tiffany-mid); }
.footer-sns { display: flex; gap: 0.6rem; margin-top: 1.2em; }
.footer-sns a {
  width: 36px; height: 36px; border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.15);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,0.45); transition: all var(--dur) var(--ease);
}
.footer-sns a svg { width: 16px; height: 16px; fill: currentColor; }
.footer-sns a:hover { border-color: var(--tiffany); color: var(--tiffany); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08); padding-top: 1.8rem;
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 1rem;
  font-size: 0.74rem; color: rgba(255,255,255,0.3);
}
.footer-legal { display: flex; gap: 1.5rem; }
.footer-legal a { color: rgba(255,255,255,0.3); }
.footer-legal a:hover { color: var(--tiffany-mid); }

/* ─── Scroll Top ─── */
.scroll-top {
  position: fixed; bottom: 2rem; right: 2rem;
  width: 44px; height: 44px; border-radius: 50%;
  background: rgba(255,255,255,0.9); border: 1px solid var(--tiffany-light);
  color: var(--tiffany); font-size: 1rem;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; opacity: 0; visibility: hidden;
  transition: all var(--dur) var(--ease);
  box-shadow: 0 4px 16px rgba(10,186,181,0.15); z-index: 99;
}
.scroll-top.show { opacity: 1; visibility: visible; }
.scroll-top:hover { background: var(--tiffany); color: #fff; transform: translateY(-3px); }

/* ─── Fade-in ─── */
.fade-up { opacity: 0; transform: translateY(24px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.fade-up.in { opacity: 1; transform: translateY(0); }

/* ─── Mobile overlay ─── */
.overlay { position: fixed; inset: 0; background: rgba(44,58,58,0.45); z-index: 998; opacity: 0; visibility: hidden; transition: all var(--dur) var(--ease); }
.overlay.show { opacity: 1; visibility: visible; }

/* ═══════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════ */
@media (max-width: 960px) {
  /* Nav → drawer */
  .nav-links {
    position: fixed; top: 0; right: -100%; width: 280px; height: 100vh;
    background: var(--white); flex-direction: column;
    padding: calc(var(--h) + 1.5rem) 0 2rem;
    border-left: 1px solid var(--gray-100);
    box-shadow: -8px 0 32px rgba(44,58,58,0.08);
    transition: right var(--dur) var(--ease); z-index: 999; gap: 0;
  }
  .nav-links.open { right: 0; }
  .nav-links a { padding: 0.9em 2rem; font-size: 0.88rem; border-bottom: 1px solid var(--gray-50); }
  .hamburger { display: flex; }
  .btn-reserve { display: none; }

  /* Grids */
  .about-grid, .feature-grid, .feature-grid.reverse { grid-template-columns: 1fr; direction: ltr; gap: 2rem; }
  .services-grid { grid-template-columns: 1fr; gap: 1.2rem; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .contact-methods { grid-template-columns: 1fr; }
  .staff-intro { grid-template-columns: 1fr; }
  .staff-avatar { width: 120px; }
}

@media (max-width: 600px) {
  :root { --h: 60px; }
  html { font-size: 18px; }
  .hero { padding-top: calc(var(--h) + 70px); }
  .hero-heading { font-size: clamp(2rem, 9vw, 3rem); }
  .hero-buttons { flex-direction: column; }
  .btn { width: 100%; max-width: 300px; font-size: 0.95rem; }
  .cta-buttons { flex-direction: column; align-items: center; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .services-grid { grid-template-columns: 1fr; }

  /* 本文・説明文 */
  p, li { font-size: 1rem; line-height: 2; }
  .content-box p, .about-text p, .feature-text p,
  .staff-info p, .testimonial-text, .faq-a,
  .section-lead, .service-card-body p { font-size: 1rem; line-height: 2; }

  /* FAQ質問テキスト */
  .faq-q-text { font-size: 0.95rem; }



  /* ナビ */
  .nav-links a { font-size: 1rem; }

  /* コース・料金テーブル等 */
  .service-card-title { font-size: 1.05rem; }
  .price-note, .feature-text a { font-size: 0.88rem; }

  /* フッター */
  .footer-col a { font-size: 0.92rem; }
  .footer-brand p { font-size: 0.88rem; }
  .footer-col h4 { font-size: 0.82rem; }

  /* CTA電話番号 */
  .cta-tel { font-size: 2rem; }
}

@media print {
  .site-header, .scroll-top, .hamburger { display: none; }
  .hero { min-height: auto; padding: 2rem 0; }
}