:root {
  --navy: #0D1B3E;
  --navy-mid: #1a2d5a;
  --gold: #B8972A;
  --gold-light: #d4af50;
  --gold-pale: #f0e4b8;
  --white: #ffffff;
  --off-white: #fafaf8;
  --gray-light: #f2f0eb;
  --gray-mid: #c8c4b8;
  --gray-text: #6b6860;
  --text: #1a1a18;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 120%; }
body {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 300;
  background: var(--white);
  color: var(--text);
  line-height: 1.8;
  overflow-x: hidden;
}

.gold-line { display: block; width: 40px; height: 1px; background: var(--gold); margin: 0 auto 16px; }
.gold-line.left { margin-left: 0; }
.section-en {
  font-family: 'Josefin Sans', sans-serif;
  font-weight: 100; font-size: 0.688rem; letter-spacing: 0.25em;
  color: var(--gold); text-transform: uppercase; display: block; margin-bottom: 10px;
}
.section-ja { font-size: 1.625rem; font-weight: 300; letter-spacing: 0.12em; color: var(--navy); line-height: 1.5; }

/* SNS BAR */
.sns-bar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 101;
  height: 36px;
  background: var(--navy);
  border-bottom: 1px solid rgba(184,151,42,0.2);
  display: flex; align-items: center; justify-content: flex-end;
  padding: 0 60px; gap: 20px;
}
.sns-bar-link {
  display: flex; align-items: center; justify-content: center;
  width: 18px; height: 18px;
  color: rgba(255,255,255,0.5);
  transition: color 0.2s;
  flex-shrink: 0;
}
.sns-bar-link:hover { color: var(--gold-light); }
.sns-bar-link svg { width: 100%; height: 100%; }

/* HEADER */
header {
  position: fixed; top: 36px; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 60px; height: 72px;
  background: rgba(255,255,255,0.97);
  border-bottom: 1px solid rgba(184,151,42,0.18);
  backdrop-filter: blur(8px);
}
.logo { display: flex; align-items: center; text-decoration: none; }
.logo-img { height: 48px; width: auto; display: block; }
.hamburger { display: none; }
.mobile-nav { display: none; }
.mobile-nav-overlay { display: none; }
nav { display: flex; align-items: center; gap: 24px; }
nav a {
  font-family: 'Josefin Sans', sans-serif; font-weight: 300; font-size: 0.688rem;
  letter-spacing: 0.12em; color: var(--navy); text-decoration: none;
  text-transform: uppercase; position: relative; transition: color 0.3s;
  white-space: nowrap;
}
nav a::after {
  content: ''; position: absolute; bottom: -3px; left: 0; right: 0;
  height: 1px; background: var(--gold);
  transform: scaleX(0); transform-origin: left; transition: transform 0.3s ease;
}
nav a:hover { color: var(--gold); }
nav a:hover::after { transform: scaleX(1); }
.nav-reserve {
  font-family: 'Josefin Sans', sans-serif; font-weight: 300; font-size: 0.688rem;
  letter-spacing: 0.2em; color: var(--white) !important; background: var(--navy);
  padding: 10px 24px; text-decoration: none; text-transform: uppercase;
  border: 1px solid var(--navy); transition: background 0.3s, color 0.3s !important;
}
.nav-reserve::after { display: none !important; }
.nav-reserve:hover { background: var(--gold) !important; border-color: var(--gold) !important; }

/* HERO */
.hero { height: 100vh; min-height: 700px; display: grid; grid-template-columns: 1fr 1fr; padding-top: 108px; }
.hero-left {
  background: var(--navy); display: flex; flex-direction: column;
  justify-content: center; padding: 80px; position: relative; overflow: hidden;
}
.hero-left::before {
  content: '玉'; position: absolute; bottom: -40px; right: -20px;
  font-size: 320px; font-weight: 100; color: rgba(184,151,42,0.06);
  line-height: 1; pointer-events: none;
}
.hero-eyebrow {
  font-family: 'Josefin Sans', sans-serif; font-weight: 100; font-size: 0.625rem;
  letter-spacing: 0.3em; color: var(--gold); text-transform: uppercase;
  margin-bottom: 28px; display: flex; align-items: center; gap: 14px;
  animation: fadeInUp 0.8s ease 0.2s both;
}
.hero-eyebrow::before { content: ''; display: block; width: 32px; height: 1px; background: var(--gold); flex-shrink: 0; }
.hero-title {
  font-family: 'Noto Sans JP', sans-serif; font-weight: 100; font-size: 4.5rem;
  letter-spacing: 0.25em; color: var(--white); line-height: 1.1; margin-bottom: 8px;
  animation: fadeInUp 0.8s ease 0.4s both;
}
.hero-title .seo-text {
  display: block;
  font-size: 0;
  height: 0;
  overflow: hidden;
  visibility: hidden;
}
.hero-title-ja { font-family: 'Josefin Sans', sans-serif; font-weight: 100; font-size: 0.812rem; letter-spacing: 0.45em; color: var(--gold-light); margin-bottom: 36px; animation: fadeInUp 0.8s ease 0.5s both; }
.hero-divider { width: 48px; height: 1px; background: var(--gold); margin-bottom: 32px; animation: fadeInUp 0.8s ease 0.6s both; }
.hero-copy { font-size: 0.812rem; font-weight: 300; color: rgba(255,255,255,0.7); line-height: 2.4; letter-spacing: 0.06em; max-width: 320px; margin-bottom: 48px; animation: fadeInUp 0.8s ease 0.7s both; }
.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; animation: fadeInUp 0.8s ease 0.85s both; }
.btn-primary {
  font-family: 'Josefin Sans', sans-serif; font-weight: 300; font-size: 0.688rem;
  letter-spacing: 0.22em; text-transform: uppercase; color: var(--navy);
  background: var(--gold); padding: 14px 36px; text-decoration: none;
  border: 1px solid var(--gold); transition: background 0.3s; display: inline-block;
}
.btn-primary:hover { background: var(--gold-light); }
.btn-outline {
  font-family: 'Josefin Sans', sans-serif; font-weight: 300; font-size: 0.688rem;
  letter-spacing: 0.22em; text-transform: uppercase; color: var(--white);
  background: transparent; padding: 14px 36px; text-decoration: none;
  border: 1px solid rgba(255,255,255,0.35); transition: border-color 0.3s, color 0.3s; display: inline-block;
}
.btn-outline:hover { border-color: var(--gold); color: var(--gold); }
.hero-right { background: var(--gray-light); position: relative; overflow: hidden; }
.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}
.img-label-sm { font-family: 'Josefin Sans', sans-serif; font-weight: 100; font-size: 0.625rem; letter-spacing: 0.2em; color: #8a8478; text-transform: uppercase; }
.hero-scroll { position: absolute; bottom: 32px; right: 32px; display: flex; flex-direction: column; align-items: center; gap: 8px; }
.hero-scroll span { font-family: 'Josefin Sans', sans-serif; font-weight: 100; font-size: 0.562rem; letter-spacing: 0.25em; color: var(--gray-text); text-transform: uppercase; writing-mode: vertical-rl; }
.scroll-line { width: 1px; height: 48px; background: linear-gradient(to bottom, var(--gold), transparent); animation: scrollDown 1.8s ease-in-out infinite; }
@keyframes scrollDown { 0%{transform:scaleY(0);transform-origin:top;opacity:1} 50%{transform:scaleY(1);transform-origin:top;opacity:1} 100%{transform:scaleY(1);transform-origin:bottom;opacity:0} }

/* CONCEPT */
.concept { padding: 120px 80px; display: grid; grid-template-columns: 1fr 1fr; gap: 100px; align-items: center; }
.concept-heading { margin-bottom: 36px; }
.concept-body { font-size: 0.875rem; font-weight: 300; line-height: 2.4; color: var(--gray-text); letter-spacing: 0.05em; margin-bottom: 40px; }
.concept-visual { position: relative; height: 480px; }
.concept-img-main { position: absolute; top: 0; right: 0; width: 80%; height: 85%; overflow: hidden; }
.concept-img { width: 100%; height: 100%; object-fit: cover; object-position: center; display: block; }
.concept-img-accent { position: absolute; bottom: 0; left: 0; width: 55%; height: 45%; display: flex; align-items: center; justify-content: center; padding: 28px; background-image: url('../img/sub2.PNG'); background-size: cover; background-position: center; }
.concept-img-accent::before { content: ''; position: absolute; inset: 0; background: rgba(13, 27, 12, 0.25); }
.accent-quote { font-family: 'Josefin Sans', sans-serif; font-weight: 100; font-size: 1.125rem; letter-spacing: 0.18em; color: var(--white); line-height: 2.2; text-align: center; position: relative; z-index: 1; }

/* EFFECT */
.effect { background: var(--navy); padding: 100px 80px; }
.effect-header { text-align: center; margin-bottom: 72px; }
.effect-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2px; }
.effect-card {
  background: rgba(255,255,255,0.04); border: 1px solid rgba(184,151,42,0.15);
  padding: 44px 32px; transition: background 0.3s, border-color 0.3s; cursor: default;
}
.effect-card:hover { background: rgba(184,151,42,0.07); border-color: rgba(184,151,42,0.45); }
.effect-icon { width: 48px; height: 48px; margin-bottom: 24px; display: block; opacity: 0.9; }
.effect-title { font-size: 0.938rem; font-weight: 400; letter-spacing: 0.1em; color: var(--white); margin-bottom: 12px; }
.effect-gold-line { width: 24px; height: 1px; background: var(--gold); margin-bottom: 14px; }
.effect-body { font-size: 0.75rem; font-weight: 300; line-height: 2.1; color: rgba(255,255,255,0.5); letter-spacing: 0.04em; }

/* MECHANISM */
.mechanism { padding: 120px 80px; background: var(--off-white); }
.mechanism-header { text-align: center; margin-bottom: 72px; }
.mech-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2px; }
.mech-card {
  background: var(--white); border: 1px solid rgba(0,0,0,0.06);
  padding: 52px 48px; display: flex; gap: 32px; align-items: flex-start;
  transition: border-color 0.3s;
}
.mech-card:hover { border-color: rgba(184,151,42,0.3); }
.mech-num { font-family: 'Josefin Sans', sans-serif; font-weight: 100; font-size: 3.25rem; color: var(--gold-pale); letter-spacing: 0.05em; line-height: 1; flex-shrink: 0; }
.mech-body {}
.mech-title { font-size: 1.0rem; font-weight: 400; letter-spacing: 0.1em; color: var(--navy); margin-bottom: 10px; }
.mech-gold-line { width: 24px; height: 1px; background: var(--gold); margin-bottom: 12px; }
.mech-text { font-size: 0.812rem; font-weight: 300; line-height: 2.3; color: var(--gray-text); }

/* MENU */
.menu { padding: 120px 80px; background: var(--white); }
.menu-header { margin-bottom: 64px; }
.menu-courses { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.course-block { border: 1px solid rgba(0,0,0,0.07); background: var(--off-white); overflow: hidden; }
.course-header { padding: 40px 40px 32px; border-bottom: 1px solid rgba(184,151,42,0.15); }
.course-tag { font-family: 'Josefin Sans', sans-serif; font-weight: 300; font-size: 0.562rem; letter-spacing: 0.28em; text-transform: uppercase; color: var(--gold); margin-bottom: 10px; }
.course-name { font-size: 1.25rem; font-weight: 400; letter-spacing: 0.12em; color: var(--navy); margin-bottom: 12px; }
.course-desc { font-size: 0.75rem; font-weight: 300; line-height: 2; color: var(--gray-text); }
.price-table { width: 100%; border-collapse: collapse; }
.price-table thead tr { background: var(--navy); }
.price-table th {
  font-family: 'Josefin Sans', sans-serif; font-weight: 300; font-size: 0.562rem;
  letter-spacing: 0.2em; text-transform: uppercase; color: rgba(255,255,255,0.6);
  padding: 14px 24px; text-align: left;
}
.price-table th:not(:first-child) { text-align: right; }
.price-table tbody tr { border-bottom: 1px solid rgba(184,151,42,0.1); transition: background 0.2s; }
.price-table tbody tr:last-child { border-bottom: none; }
.price-table tbody tr:hover { background: rgba(184,151,42,0.04); }
.price-table td {
  padding: 18px 24px; font-size: 0.812rem; font-weight: 300; color: var(--text);
  letter-spacing: 0.04em;
}
.price-table td:first-child {
  font-family: 'Josefin Sans', sans-serif; font-size: 1.0rem; font-weight: 300;
  color: var(--navy); letter-spacing: 0.08em;
}
.price-table td:first-child span { font-size: 0.625rem; color: var(--gray-text); margin-left: 2px; }
.price-table td:not(:first-child) { text-align: right; }
.price-table td span { font-size: 0.625rem; color: var(--gray-text); }
.member-price { color: var(--gold) !important; font-weight: 400 !important; }

/* VOICE */
.voice { padding: 100px 80px; background: var(--gray-light); }
.voice-header { text-align: center; margin-bottom: 64px; }
.voice-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.voice-card { padding: 36px 32px; background: var(--white); border: 1px solid rgba(0,0,0,0.05); position: relative; transition: border-color 0.3s; }
.voice-card:hover { border-color: rgba(184,151,42,0.35); }
.voice-quote-mark { font-family: 'Cormorant Garamond', serif; font-size: 4.5rem; line-height: 1; color: var(--gold-pale); position: absolute; top: 16px; left: 24px; font-style: italic; }
.voice-body { font-size: 0.812rem; font-weight: 300; line-height: 2.3; color: var(--text); margin-bottom: 24px; padding-top: 28px; position: relative; z-index: 1; }
.voice-meta { display: flex; align-items: center; gap: 14px; padding-top: 18px; border-top: 1px solid var(--gray-light); }
.voice-avatar { width: 40px; height: 40px; border-radius: 50%; background: var(--gray-light); border: 1px solid var(--gold-pale); flex-shrink: 0; display: flex; align-items: center; justify-content: center; }
.avatar-icon { width: 18px; height: 18px; background: var(--gray-mid); border-radius: 50%; }
.voice-name { font-size: 0.812rem; font-weight: 400; letter-spacing: 0.08em; color: var(--navy); }
.voice-age { font-size: 0.688rem; font-weight: 300; color: var(--gray-text); }
.voice-stars { margin-left: auto; color: var(--gold); font-size: 0.75rem; letter-spacing: 2px; }

/* NOTICE */
.notice { background: var(--white); padding: 60px 80px; border-top: 1px solid var(--gray-light); }
.notice-inner { max-width: 680px; margin: 0 auto; }
.notice-title { font-family: 'Josefin Sans', sans-serif; font-weight: 300; font-size: 0.688rem; letter-spacing: 0.25em; text-transform: uppercase; color: var(--gold); margin-bottom: 16px; display: flex; align-items: center; gap: 10px; }
.notice-title::before { content: ''; display: block; width: 24px; height: 1px; background: var(--gold); }
.notice-text { font-size: 0.75rem; font-weight: 300; line-height: 2.4; color: var(--gray-text); letter-spacing: 0.04em; padding: 24px; border: 1px solid rgba(184,151,42,0.2); background: var(--off-white); }

/* CTA */
.cta { background: var(--navy); padding: 100px 80px; display: flex; align-items: center; justify-content: space-between; gap: 60px; position: relative; overflow: hidden; }
.cta::before { content: ''; position: absolute; top: -1px; left: 0; right: 0; height: 2px; background: linear-gradient(to right, transparent, var(--gold), transparent); }
.cta::after { content: 'TAMAYA'; position: absolute; right: -20px; top: 50%; transform: translateY(-50%); font-family: 'Josefin Sans', sans-serif; font-weight: 100; font-size: 180px; letter-spacing: 0.1em; color: rgba(184,151,42,0.05); pointer-events: none; }
.cta-en { font-family: 'Josefin Sans', sans-serif; font-weight: 100; font-size: 0.688rem; letter-spacing: 0.3em; color: var(--gold); text-transform: uppercase; margin-bottom: 16px; display: block; }
.cta-title { font-size: 2.0rem; font-weight: 300; letter-spacing: 0.12em; color: var(--white); line-height: 1.6; margin-bottom: 20px; }
.cta-sub { font-size: 0.812rem; font-weight: 300; color: rgba(255,255,255,0.55); letter-spacing: 0.06em; line-height: 2; }
.cta-actions { display: flex; flex-direction: column; gap: 14px; flex-shrink: 0; position: relative; z-index: 1; }
.btn-gold { font-family: 'Josefin Sans', sans-serif; font-weight: 300; font-size: 0.75rem; letter-spacing: 0.22em; text-transform: uppercase; color: var(--navy); background: var(--gold); padding: 16px 52px; text-decoration: none; border: 1px solid var(--gold); transition: background 0.3s; text-align: center; display: block; white-space: nowrap; }
.btn-gold:hover { background: var(--gold-light); }
.tel-label { font-family: 'Josefin Sans', sans-serif; font-weight: 100; font-size: 0.562rem; letter-spacing: 0.25em; color: rgba(255,255,255,0.4); text-transform: uppercase; display: block; margin-bottom: 4px; text-align: center; }
.tel-num { font-family: 'Josefin Sans', sans-serif; font-weight: 300; font-size: 1.375rem; letter-spacing: 0.12em; color: var(--white); text-align: center; display: block; margin-bottom: 12px; }
.cta-address { display: block; text-align: center; font-size: 0.688rem; font-weight: 300; color: rgba(255,255,255,0.45); letter-spacing: 0.06em; line-height: 1.9; }

/* FOOTER */
footer { background: #080f22; padding: 64px 80px 32px; }
.footer-top { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 60px; padding-bottom: 48px; border-bottom: 1px solid rgba(184,151,42,0.15); margin-bottom: 32px; }
.footer-tagline { font-size: 0.75rem; font-weight: 300; color: rgba(255,255,255,0.4); line-height: 2.2; letter-spacing: 0.05em; margin-top: 16px; }
.footer-col-title { font-family: 'Josefin Sans', sans-serif; font-weight: 300; font-size: 0.625rem; letter-spacing: 0.25em; text-transform: uppercase; color: var(--gold); margin-bottom: 20px; }
.footer-links { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: 0.75rem; font-weight: 300; letter-spacing: 0.06em; color: rgba(255,255,255,0.45); text-decoration: none; transition: color 0.2s; }
.footer-links a:hover { color: var(--gold-light); }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; }
.copyright { font-family: 'Josefin Sans', sans-serif; font-weight: 100; font-size: 0.625rem; letter-spacing: 0.15em; color: rgba(255,255,255,0.25); }
.gold-divider { height: 1px; background: linear-gradient(to right, transparent, var(--gold), transparent); opacity: 0.3; }

/* RESERVE MODAL */
.reserve-modal-overlay {
  display: none; position: fixed; inset: 0;
  background: rgba(0,0,0,0.6); z-index: 300;
  backdrop-filter: blur(4px);
}
.reserve-modal-overlay.open { display: block; }

.reserve-modal {
  display: none; position: fixed;
  top: 50%; left: 50%; transform: translate(-50%, -48%);
  z-index: 310; width: 90%; max-width: 480px;
  background: var(--white);
  padding: 52px 48px 44px;
  opacity: 0; transition: opacity 0.3s, transform 0.3s;
}
.reserve-modal.open {
  display: block; opacity: 1; transform: translate(-50%, -50%);
}

.reserve-modal-close {
  position: absolute; top: 16px; right: 20px;
  background: none; border: none; cursor: pointer;
  font-size: 22px; color: var(--gray-text);
  line-height: 1; padding: 4px 8px;
  transition: color 0.2s;
}
.reserve-modal-close:hover { color: var(--navy); }

.reserve-modal-eyebrow {
  font-family: 'Josefin Sans', sans-serif; font-weight: 100;
  font-size: 0.625rem; letter-spacing: 0.3em; color: var(--gold);
  text-transform: uppercase; margin-bottom: 10px;
}
.reserve-modal-title {
  font-size: 1.25rem; font-weight: 300; letter-spacing: 0.12em;
  color: var(--navy); margin-bottom: 12px;
}
.reserve-modal-sub {
  font-size: 0.75rem; font-weight: 300; color: var(--gray-text);
  letter-spacing: 0.05em; line-height: 1.9; margin-bottom: 32px;
}

.reserve-modal-btns { display: flex; flex-direction: column; gap: 12px; margin-bottom: 20px; }

.reserve-btn-line {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  background: #06C755; color: var(--white);
  padding: 16px 24px; text-decoration: none;
  font-family: 'Noto Sans JP', sans-serif; font-weight: 400;
  font-size: 0.875rem; letter-spacing: 0.08em;
  transition: background 0.2s;
}
.reserve-btn-line:hover { background: #05b34c; }
.reserve-btn-line svg { width: 22px; height: 22px; flex-shrink: 0; }

.reserve-btn-tel {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  background: var(--navy); color: var(--white);
  padding: 16px 24px; text-decoration: none;
  font-family: 'Josefin Sans', sans-serif; font-weight: 300;
  font-size: 0.938rem; letter-spacing: 0.12em;
  transition: background 0.2s;
}
.reserve-btn-tel:hover { background: var(--navy-mid); }
.reserve-btn-tel svg { width: 18px; height: 18px; flex-shrink: 0; }

.reserve-modal-note {
  font-size: 0.625rem; font-weight: 300; color: var(--gray-text);
  letter-spacing: 0.08em; text-align: center;
}

/* SCROLL TO TOP */
.scroll-top {
  position: fixed; bottom: 36px; right: 36px; z-index: 200;
  width: 48px; height: 48px;
  background: var(--navy); color: var(--gold);
  border: 1px solid rgba(184,151,42,0.4);
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden;
  transform: translateY(12px);
  transition: opacity 0.3s, visibility 0.3s, transform 0.3s, background 0.2s;
}
.scroll-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.scroll-top:hover { background: var(--navy-mid); color: var(--gold-light); }
.scroll-top svg { width: 20px; height: 20px; }

@keyframes fadeInUp { from{opacity:0;transform:translateY(24px)} to{opacity:1;transform:translateY(0)} }

/* ============================================
   RESPONSIVE — Tablet (〜768px)
   ============================================ */
@media (max-width: 768px) {

  html { font-size: 110%; }

  /* SNS BAR */
  .sns-bar { padding: 0 24px; gap: 16px; }

  /* HEADER */
  header { padding: 0 24px; height: 64px; top: 36px; }
  .logo-img { height: 36px; }
  nav { gap: 16px; }
  nav a { font-size: 0.6rem; letter-spacing: 0.08em; }
  .nav-reserve { padding: 8px 16px; }

  /* HERO */
  .hero { grid-template-columns: 1fr; height: auto; min-height: auto; }
  .hero-left { padding: 80px 40px 60px; min-height: 80vh; }
  .hero-right { height: 50vw; min-height: 280px; }

  /* CONCEPT */
  .concept { grid-template-columns: 1fr; gap: 60px; padding: 80px 40px; }
  .concept-visual { height: 360px; }

  /* EFFECT */
  .effect { padding: 80px 40px; }
  .effect-grid { grid-template-columns: repeat(2, 1fr); gap: 2px; }

  /* MECHANISM */
  .mechanism { padding: 80px 40px; }
  .mech-grid { grid-template-columns: 1fr; }

  /* MENU */
  .menu { padding: 80px 40px; }
  .menu-courses { grid-template-columns: 1fr; gap: 32px; }

  /* VOICE */
  .voice { padding: 80px 40px; }
  .voice-grid { grid-template-columns: 1fr; gap: 20px; }

  /* NOTICE */
  .notice { padding: 60px 40px; }

  /* CTA */
  .cta { padding: 80px 40px; flex-direction: column; align-items: flex-start; gap: 40px; }

  /* FOOTER */
  footer { padding: 48px 40px 24px; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 40px; }
}

/* ============================================
   RESPONSIVE — Mobile (〜480px)
   ============================================ */
@media (max-width: 480px) {

  html { font-size: 100%; }

  /* SNS BAR */
  .sns-bar { padding: 0 20px; gap: 14px; height: 32px; }
  .sns-bar-link { width: 15px; height: 15px; }

  /* HEADER */
  header { padding: 0 20px; height: 60px; top: 32px; justify-content: space-between; }
  .logo-img { height: 32px; }
  nav { gap: 0; }
  nav a:not(.nav-reserve) { display: none; }
  .nav-reserve { padding: 8px 18px; font-size: 0.625rem; }
  .hamburger { display: flex; }
  .mobile-nav { display: flex; }
  .hamburger {
    display: flex; flex-direction: column; justify-content: center;
    gap: 5px; width: 36px; height: 36px; background: none;
    border: none; cursor: pointer; padding: 4px; z-index: 200;
  }
  .hamburger span {
    display: block; width: 24px; height: 1.5px;
    background: var(--navy); transition: transform 0.3s, opacity 0.3s;
    transform-origin: center;
  }
  .hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
  .hamburger.open span:nth-child(2) { opacity: 0; }
  .hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

  /* モバイルナビ */
  .mobile-nav {
    position: fixed; top: 96px; left: 0; right: 0; bottom: 0;
    background: var(--white); z-index: 150;
    display: flex; flex-direction: column;
    padding: 40px 32px; gap: 0;
    transform: translateX(100%); transition: transform 0.35s ease;
    overflow-y: auto;
  }
  .mobile-nav.open { transform: translateX(0); }
  .mobile-nav a {
    font-family: 'Noto Sans JP', sans-serif; font-weight: 300;
    font-size: 1rem; letter-spacing: 0.08em; color: var(--navy);
    text-decoration: none; padding: 18px 0;
    border-bottom: 1px solid var(--gray-light);
    transition: color 0.2s;
  }
  .mobile-nav a:hover { color: var(--gold); }
  .mobile-nav-reserve {
    margin-top: 32px; background: var(--navy) !important;
    color: var(--white) !important; text-align: center;
    padding: 16px 0 !important; border: none !important;
    letter-spacing: 0.2em;
  }

  /* オーバーレイ */
  .mobile-nav-overlay {
    display: none; position: fixed; inset: 0;
    background: rgba(0,0,0,0.4); z-index: 140;
  }
  .mobile-nav-overlay.open { display: block; }

  /* HERO */
  .hero-left { padding: 60px 24px 48px; min-height: 90vh; }
  .hero-title { font-size: 3.5rem; }
  .hero-copy { max-width: 100%; }
  .hero-btns { flex-direction: column; gap: 12px; }
  .btn-primary, .btn-outline { text-align: center; padding: 14px 24px; }
  .hero-right { height: 60vw; min-height: 240px; }
  .hero-scroll { display: none; }

  /* CONCEPT */
  .concept { padding: 60px 24px; gap: 48px; }
  .concept-visual { height: 300px; }
  .concept-img-main { width: 85%; height: 80%; }
  .concept-img-accent { width: 60%; height: 42%; }
  .accent-quote { font-size: 0.875rem; }

  /* EFFECT */
  .effect { padding: 60px 24px; }
  .effect-grid { grid-template-columns: 1fr; }
  .effect-card { padding: 36px 24px; }

  /* MECHANISM */
  .mechanism { padding: 60px 24px; }
  .mech-card { padding: 32px 24px; flex-direction: column; gap: 16px; }
  .mech-num { font-size: 2.5rem; }

  /* MENU */
  .menu { padding: 60px 24px; }
  .menu-courses { gap: 24px; }
  .course-header { padding: 28px 24px 24px; }
  .price-table th, .price-table td { padding: 14px 16px; }

  /* VOICE */
  .voice { padding: 60px 24px; }
  .voice-card { padding: 28px 24px; }

  /* NOTICE */
  .notice { padding: 48px 24px; }

  /* CTA */
  .cta { padding: 60px 24px; }
  .cta-title { font-size: 1.6rem; }
  .btn-gold { padding: 16px 32px; }
  .tel-num { font-size: 1.1rem; }
  .cta::after { display: none; }

  /* FOOTER */
  footer { padding: 48px 24px 24px; }
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
}