/* ============================================================
   nana nail — Stylesheet  (feminine edition)
   ============================================================ */

:root {
  --primary:      #E8A0AA;
  --primary-dark: #C97E88;
  --primary-light:#FAE0E3;
  --gold:         #C9A55A;
  --gold-light:   #F0DFB8;
  --lavender:     #C9B8D8;

  --dark:         #3D2B2B;
  --mid:          #7A5C5C;
  --light-bg:     #FEF5F3;
  --cream:        #FFF8F6;
  --white:        #FFFFFF;
  --border:       #F2DDD9;

  --font-en: 'Cormorant Garamond', serif;
  --font-ja: 'Noto Sans JP', sans-serif;

  --radius:    14px;
  --radius-lg: 24px;
  --shadow:    0 4px 24px rgba(200,120,130,.10);
  --shadow-md: 0 10px 40px rgba(200,120,130,.18);
  --transition:.35s cubic-bezier(.4,0,.2,1);
  --header-h:  72px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-ja);
  color: var(--dark);
  background: var(--white);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
table { border-collapse: collapse; width: 100%; }

.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }
.section   { padding: 96px 0; }
.bg-light  { background: var(--light-bg); }

/* ---- Section Header ---- */
.section-header { text-align: center; margin-bottom: 60px; }
.section-label {
  font-family: var(--font-en);
  font-size: .8rem;
  letter-spacing: .28em;
  color: var(--primary-dark);
  text-transform: uppercase;
  margin-bottom: 12px;
  display: block;
}
.section-title {
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  font-weight: 400;
  letter-spacing: .06em;
  margin-bottom: 20px;
  display: inline-block;
  position: relative;
}
.section-title::after {
  content: '';
  display: block;
  width: 36px; height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--gold));
  margin: 14px auto 0;
  border-radius: 2px;
}
.section-desc { color: var(--mid); font-size: .95rem; line-height: 2; }

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 40px;
  font-size: .9rem;
  font-weight: 500;
  letter-spacing: .06em;
  cursor: pointer;
  transition: var(--transition);
  border: 1.5px solid transparent;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: var(--white);
  box-shadow: 0 4px 20px rgba(232,160,170,.45);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(232,160,170,.55);
}
.btn-ghost {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,.65);
}
.btn-ghost:hover {
  background: rgba(255,255,255,.15);
  border-color: var(--white);
}
.btn-instagram {
  background: linear-gradient(45deg,#f09433,#e6683c,#dc2743,#cc2366,#bc1888);
  color: var(--white);
  padding: 12px 26px;
  font-size: .85rem;
  margin-top: 10px;
}
.btn-instagram:hover { opacity: .88; transform: translateY(-2px); }
.btn-line { background: #06C755; color: var(--white); padding: 12px 26px; font-size: .85rem; margin-top: 10px; }
.btn-line:hover { background: #05a847; transform: translateY(-2px); }
.btn-full { width: 100%; justify-content: center; }

/* ---- Animations ---- */
.fade-in, .fade-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .75s ease, transform .75s ease;
}
.fade-in.visible, .fade-up.visible { opacity: 1; transform: none; }

/* ============================================================
   HEADER
   ============================================================ */
#header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--header-h);
  transition: background var(--transition), box-shadow var(--transition);
}
#header.scrolled {
  background: rgba(255,250,249,.96);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 20px rgba(200,120,130,.1);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
}
.logo { display: flex; flex-direction: column; line-height: 1.1; }
.logo-en {
  font-family: var(--font-en);
  font-size: 1.45rem;
  font-weight: 300;
  letter-spacing: .12em;
  transition: color var(--transition);
}
.logo-ja { font-size: .62rem; letter-spacing: .14em; }
#header:not(.scrolled) .logo-en  { color: var(--white); }
#header:not(.scrolled) .logo-ja  { color: rgba(255,255,255,.65); }
#header.scrolled .logo-en        { color: var(--dark); }
#header.scrolled .logo-ja        { color: var(--mid); }

.nav ul { display: flex; align-items: center; gap: 32px; }
.nav ul li a {
  font-size: .88rem;
  letter-spacing: .06em;
  position: relative;
  transition: color var(--transition);
}
.nav ul li a::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0;
  width: 0; height: 1px;
  background: var(--primary);
  transition: width var(--transition);
}
.nav ul li a:hover::after { width: 100%; }
#header:not(.scrolled) .nav ul li a { color: rgba(255,255,255,.9); }
#header.scrolled .nav ul li a     { color: var(--mid); }

.btn-nav {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark)) !important;
  color: var(--white) !important;
  padding: 10px 24px;
  border-radius: 40px;
  font-size: .85rem !important;
  box-shadow: 0 3px 14px rgba(232,160,170,.4);
}
.btn-nav:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(232,160,170,.5) !important; }
.btn-nav::after { display: none !important; }

.hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--white); border-radius: 2px; transition: var(--transition); }
#header.scrolled .hamburger span { background: var(--dark); }
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   HERO  — bright feminine gradient
   ============================================================ */
.hero {
  position: relative;
  height: 100vh;
  min-height: 640px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  /* warm blush → rose → soft peach → gold-rose */
  background: linear-gradient(
    150deg,
    #FADADD 0%,
    #F5B8C0 20%,
    #E8929E 45%,
    #D4748A 65%,
    #C9A55A 100%
  );
}
/* floating circle decorations */
.hero-bg::before {
  content: '';
  position: absolute;
  width: 520px; height: 520px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,.25);
  top: -80px; right: -60px;
}
.hero-bg::after {
  content: '';
  position: absolute;
  width: 320px; height: 320px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,.18);
  bottom: -60px; left: -40px;
}
/* extra inner glow blob */
.hero-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 60% at 30% 40%, rgba(255,255,255,.18) 0%, transparent 70%);
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 24px;
}
.hero-label {
  font-family: var(--font-en);
  font-size: clamp(.72rem, 1.4vw, .88rem);
  letter-spacing: .32em;
  color: rgba(255,255,255,.82);
  margin-bottom: 24px;
  text-transform: uppercase;
}
.hero h1 {
  font-size: clamp(2.6rem, 7.5vw, 5.2rem);
  font-weight: 300;
  color: var(--white);
  line-height: 1.15;
  margin-bottom: 22px;
  letter-spacing: .04em;
  text-shadow: 0 2px 20px rgba(180,80,100,.2);
}
.hero h1 .italic {
  font-family: var(--font-en);
  font-style: italic;
  font-weight: 300;
  letter-spacing: .07em;
}
.hero-desc {
  font-size: clamp(.9rem, 2vw, 1.05rem);
  color: rgba(255,255,255,.9);
  line-height: 2;
  margin-bottom: 40px;
}
.hero-btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.hero-scroll {
  position: absolute;
  bottom: 32px; left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,.65);
  font-family: var(--font-en);
  font-size: .63rem;
  letter-spacing: .22em;
}
.scroll-line {
  width: 1px; height: 48px;
  background: rgba(255,255,255,.45);
  animation: scrollDown 2.2s ease-in-out infinite;
}
@keyframes scrollDown {
  0%   { transform: scaleY(0); transform-origin: top; }
  50%  { transform: scaleY(1); transform-origin: top; }
  51%  { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ============================================================
   CONCEPT
   ============================================================ */
.concept { padding: 96px 0; background: var(--cream); }
.concept-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.concept-card {
  text-align: center;
  padding: 48px 28px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--white);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.concept-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--gold));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .45s ease;
}
.concept-card:hover::before { transform: scaleX(1); }
.concept-card:hover { box-shadow: var(--shadow-md); transform: translateY(-5px); }
.concept-num {
  font-family: var(--font-en);
  font-size: 3.2rem;
  font-weight: 300;
  color: var(--primary-light);
  line-height: 1;
  margin-bottom: 14px;
  letter-spacing: .04em;
}
.concept-icon {
  width: 58px; height: 58px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-light), var(--gold-light));
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  color: var(--primary-dark);
  font-size: 1.15rem;
  border: 1.5px solid var(--border);
}
.concept-card h3 { font-size: 1.05rem; font-weight: 500; margin-bottom: 12px; letter-spacing: .04em; }
.concept-card p  { font-size: .88rem; color: var(--mid); line-height: 1.85; }

/* ============================================================
   MENU
   ============================================================ */
.menu-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.menu-card {
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--white);
  transition: var(--transition);
  position: relative;
}
.menu-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.menu-card.featured { border-color: var(--primary); border-width: 2px; }
.menu-badge {
  position: absolute;
  top: 16px; right: 16px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: var(--white);
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .05em;
  padding: 4px 12px;
  border-radius: 20px;
}
.menu-header {
  padding: 32px 32px 18px;
  border-bottom: 1px solid var(--border);
}
.menu-header h3 { font-size: 1.1rem; font-weight: 500; letter-spacing: .04em; margin-bottom: 4px; }
.menu-en { font-family: var(--font-en); font-size: .85rem; color: var(--mid); letter-spacing: .08em; }
.menu-price {
  padding: 16px 32px;
  display: flex;
  align-items: baseline;
  gap: 4px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(135deg, #fff 60%, var(--primary-light));
}
.price-num { font-family: var(--font-en); font-size: 2.2rem; font-weight: 300; color: var(--primary-dark); letter-spacing: .02em; }
.price-unit { font-size: .9rem; color: var(--mid); }
.menu-includes { padding: 20px 32px 28px; display: flex; flex-direction: column; gap: 10px; }
.menu-includes li { display: flex; align-items: center; gap: 10px; font-size: .88rem; color: var(--mid); }
.menu-includes li i { color: var(--primary); font-size: .75rem; }
.menu-note { text-align: center; font-size: .85rem; color: var(--mid); margin-top: 32px; }

/* ============================================================
   GALLERY
   ============================================================ */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}
.gallery-item { border-radius: var(--radius); overflow: hidden; position: relative; cursor: pointer; }
.gallery-img { width: 100%; height: 220px; position: relative; transition: transform .55s ease; }
.gallery-item:hover .gallery-img { transform: scale(1.06); }
.gi-tall .gallery-img { height: 452px; }
.gi-wide { grid-column: span 2; }
.gi-wide .gallery-img { height: 220px; }
.gallery-overlay {
  position: absolute; inset: 0;
  background: rgba(180,80,100,0);
  display: flex;
  align-items: flex-end;
  padding: 16px;
  transition: background .35s ease;
}
.gallery-item:hover .gallery-overlay { background: rgba(180,80,100,.28); }
.gallery-overlay span {
  font-family: var(--font-en);
  font-size: .85rem;
  letter-spacing: .14em;
  color: var(--white);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity .3s, transform .3s;
}
.gallery-item:hover .gallery-overlay span { opacity: 1; transform: none; }

/* ============================================================
   FLOW
   ============================================================ */
.flow-list { max-width: 700px; margin: 0 auto; display: flex; flex-direction: column; }
.flow-item {
  display: flex;
  gap: 28px;
  align-items: flex-start;
  padding: 32px 0;
  border-bottom: 1px solid var(--border);
}
.flow-item:last-child { border-bottom: none; }
.flow-icon {
  flex-shrink: 0;
  width: 52px; height: 52px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-light), var(--gold-light));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-dark);
  font-size: 1rem;
  border: 1.5px solid var(--border);
}
.flow-step { font-family: var(--font-en); font-size: .7rem; letter-spacing: .22em; color: var(--gold); display: block; margin-bottom: 6px; }
.flow-body h3 { font-size: 1rem; font-weight: 500; margin-bottom: 8px; }
.flow-body p  { font-size: .88rem; color: var(--mid); line-height: 1.85; }

/* ============================================================
   ACCESS
   ============================================================ */
.access-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.clinic-detail h3 { font-family: var(--font-en); font-size: 1.4rem; font-weight: 300; letter-spacing: .12em; margin-bottom: 24px; color: var(--dark); }
.info-item { display: flex; gap: 16px; margin-bottom: 16px; align-items: flex-start; }
.info-item i { color: var(--primary); width: 18px; margin-top: 3px; flex-shrink: 0; }
.info-item p { font-size: .9rem; color: var(--mid); line-height: 1.75; }
.info-item a { color: var(--primary-dark); }
.info-item a:hover { text-decoration: underline; }

.hours-table { margin-top: 28px; padding: 24px; background: var(--white); border-radius: var(--radius); border: 1.5px solid var(--border); }
.hours-table h3 { display: flex; align-items: center; gap: 8px; font-size: .95rem; font-weight: 500; margin-bottom: 16px; color: var(--dark); }
.hours-table h3 i { color: var(--primary); }
.hours-table table th,
.hours-table table td { padding: 8px 10px; text-align: center; font-size: .82rem; border: 1px solid var(--border); }
.hours-table table th { background: var(--light-bg); font-weight: 500; }
td.ok { color: var(--primary-dark); font-weight: 700; }
td.ng { color: #bbb; }
.hours-note { font-size: .78rem; color: var(--mid); margin-top: 10px; }

.sns-links { display: flex; gap: 12px; margin-top: 24px; flex-wrap: wrap; }
.sns-btn { display: inline-flex; align-items: center; gap: 8px; padding: 10px 20px; border-radius: 40px; font-size: .85rem; font-weight: 500; transition: var(--transition); }
.sns-btn.instagram { background: linear-gradient(45deg,#f09433,#e6683c,#dc2743,#cc2366,#bc1888); color: var(--white); }
.sns-btn.instagram:hover { opacity: .88; transform: translateY(-2px); }
.sns-btn.line { background: #06C755; color: var(--white); }
.sns-btn.line:hover { background: #05a847; transform: translateY(-2px); }
.access-map iframe { width: 100%; height: 420px; border-radius: var(--radius-lg); box-shadow: var(--shadow); }

/* ============================================================
   RESERVE
   ============================================================ */
.reserve { background: var(--cream); }
.reserve-grid { display: grid; grid-template-columns: 1fr 1.6fr; gap: 56px; align-items: start; }
.reserve-left { display: flex; flex-direction: column; gap: 20px; }
.reserve-option { display: flex; gap: 20px; align-items: flex-start; padding: 28px; background: var(--white); border-radius: var(--radius-lg); border: 1.5px solid var(--border); transition: var(--transition); }
.reserve-option:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.reserve-icon { width: 48px; height: 48px; border-radius: 50%; background: linear-gradient(45deg,#f09433,#e6683c,#dc2743,#bc1888); display: flex; align-items: center; justify-content: center; color: var(--white); font-size: 1.1rem; flex-shrink: 0; }
.reserve-icon.line-icon { background: #06C755; }
.reserve-option h3 { font-size: 1rem; font-weight: 500; margin-bottom: 4px; }
.reserve-option p  { font-size: .85rem; color: var(--mid); }

.reserve-form { background: var(--white); border-radius: var(--radius-lg); padding: 40px; border: 1.5px solid var(--border); box-shadow: var(--shadow); }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: .88rem; font-weight: 500; margin-bottom: 8px; color: var(--dark); }
.required { display: inline-block; background: linear-gradient(135deg, var(--primary), var(--primary-dark)); color: var(--white); font-size: .67rem; padding: 2px 9px; border-radius: 4px; margin-left: 6px; vertical-align: middle; }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  font-family: var(--font-ja);
  font-size: .9rem;
  color: var(--dark);
  background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
  appearance: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(232,160,170,.18);
}
.form-group textarea { resize: vertical; }
.form-note { text-align: center; font-size: .78rem; color: var(--mid); margin-top: 12px; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--dark);
  color: rgba(255,255,255,.65);
  padding: 56px 0 24px;
}
.footer-inner { display: flex; justify-content: space-between; align-items: center; padding-bottom: 28px; border-bottom: 1px solid rgba(255,255,255,.1); flex-wrap: wrap; gap: 24px; }
.footer-logo .logo-en { font-family: var(--font-en); font-size: 1.4rem; font-weight: 300; letter-spacing: .12em; color: var(--white); }
.footer-logo .logo-ja { font-size: .68rem; letter-spacing: .12em; color: rgba(255,255,255,.38); display: block; margin-top: 4px; }
.footer-nav { display: flex; gap: 24px; flex-wrap: wrap; }
.footer-nav a { font-size: .85rem; transition: color var(--transition); }
.footer-nav a:hover { color: var(--primary); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding-top: 24px; font-size: .78rem; color: rgba(255,255,255,.32); flex-wrap: wrap; gap: 8px; }
.footer-credit { font-family: var(--font-en); letter-spacing: .06em; }

/* ============================================================
   FLOATING CTA
   ============================================================ */
.floating-cta {
  position: fixed;
  bottom: 24px; right: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 90;
  opacity: 0;
  transform: translateY(16px);
  pointer-events: none;
  transition: var(--transition);
}
.floating-cta.show { opacity: 1; transform: none; pointer-events: auto; }
.floating-btn {
  display: flex; align-items: center; gap: 8px;
  padding: 12px 20px;
  border-radius: 40px;
  font-size: .85rem; font-weight: 500;
  color: var(--white);
  box-shadow: 0 4px 20px rgba(0,0,0,.18);
  transition: var(--transition);
}
.floating-btn:hover { transform: translateY(-2px); }
.floating-btn.web  { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); }
.floating-btn.line { background: #06C755; }
.floating-btn.line:hover { background: #05a847; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  .concept-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
  .menu-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .gi-tall .gallery-img { height: 280px; }
  .gi-wide { grid-column: span 2; }
  .access-grid { grid-template-columns: 1fr; }
  .reserve-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .nav {
    position: fixed;
    top: var(--header-h); left: 0; right: 0; bottom: 0;
    background: rgba(255,250,249,.97);
    display: flex; align-items: center; justify-content: center;
    transform: translateX(100%);
    transition: transform var(--transition);
  }
  .nav.open { transform: translateX(0); }
  .nav ul { flex-direction: column; gap: 32px; text-align: center; }
  .nav ul li a { font-size: 1.1rem; color: var(--dark) !important; }
  .hamburger { display: flex; }
  .section { padding: 72px 0; }
  .hero h1 { font-size: 2.6rem; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .gi-tall { grid-row: span 1; }
  .gi-tall .gallery-img, .gallery-img { height: 180px !important; }
  .reserve-form { padding: 24px 18px; }
}
@media (max-width: 480px) {
  .hero-btns { flex-direction: column; align-items: center; }
  .footer-inner { flex-direction: column; text-align: center; }
  .footer-nav { justify-content: center; }
  .footer-bottom { flex-direction: column; text-align: center; }
}