/* ===== リセット ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: 'Noto Sans JP', sans-serif; color: #3e2010; background: #fff; }
img { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }

/* ===== カラー変数 ===== */
:root {
  --brown:      #7a4a30;
  --dark-brown: #3e2010;
  --mid-brown:  #6b3e24;
  --light-bg:   #faf5ee;
  --border:     #d4bfac;
  --text-sub:   #5a3820;
}

/* ===== 共通レイアウト ===== */
.section { padding: 80px 40px; }
.container { max-width: 1060px; margin: 0 auto; }

.section-title { text-align: center; margin-bottom: 48px; }
.section-title h2 {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(42px, 6vw, 68px);
  font-weight: 400;
  color: var(--mid-brown);
  line-height: 1.05;
}
.section-title .sub {
  font-size: 13px;
  color: var(--mid-brown);
  margin-top: 8px;
  letter-spacing: .08em;
}

/* ===== HEADER ===== */
header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: #fff;
  border-bottom: 1px solid #ece3d8;
  padding: 0 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
  gap: 16px;
}

.logo { display: flex; align-items: center; flex-shrink: 0; }
.logo img { height: 64px; width: auto; }

.header-nav { display: flex; align-items: center; }
.header-nav a {
  font-size: 13px;
  color: var(--dark-brown);
  padding: 0 16px;
  line-height: 84px;
  white-space: nowrap;
}
.header-nav a + a { border-left: 1px solid #c8b5a4; }
.header-nav a:hover { color: var(--brown); }

.header-right { display: flex; align-items: center; gap: 14px; flex-shrink: 0; }
.btn-consult {
  background: var(--brown);
  color: #fff;
  border: none;
  padding: 10px 20px;
  border-radius: 28px;
  font-size: 12px;
  font-family: inherit;
  cursor: pointer;
  white-space: nowrap;
  letter-spacing: .04em;
}
.phone {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 20px;
  font-weight: 700;
  white-space: nowrap;
  color: var(--dark-brown);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 5px;
  background: none;
  border: none;
}
.hamburger span { display: block; width: 24px; height: 2px; background: var(--dark-brown); }

.mobile-nav {
  position: fixed;
  inset: 0 0 0 auto;
  width: 260px;
  height: 100vh;
  background: #fff;
  z-index: 300;
  display: flex;
  flex-direction: column;
  padding: 72px 30px 30px;
  box-shadow: -4px 0 20px rgba(0,0,0,.1);
  transform: translateX(100%);
  transition: transform .3s ease;
}
.mobile-nav.open { transform: translateX(0); }
.mobile-nav a { font-size: 15px; color: var(--dark-brown); padding: 15px 0; border-bottom: 1px solid #ece3d8; }

.mobile-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.28); z-index: 250; }
.mobile-overlay.open { display: block; }

/* ===== HERO ===== */
.hero {
  position: relative;
  height: clamp(400px, 62vh, 700px);
  overflow: hidden;
  display: flex;
  align-items: center;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to right, rgba(180,130,100,.25) 0%, rgba(160,110,80,.6) 55%, rgba(140,95,65,.8) 100%),
    url('../img/hero-photo.jpg') center / cover no-repeat;
}
.hero-content {
  position: relative;
  width: 46%;
  margin-left: auto;
  padding-right: clamp(40px, 7vw, 100px);
  padding-left: 20px;
  text-align: right;
  color: #fff;
}
.hero-title {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(32px, 4.8vw, 58px);
  font-weight: 700;
  line-height: 1.55;
  text-shadow: 0 1px 6px rgba(80,30,10,.25);
  margin-bottom: 18px;
}
.hero-sub {
  font-size: clamp(13px, 1.5vw, 17px);
  line-height: 2.1;
  text-shadow: 0 1px 4px rgba(80,30,10,.2);
}

/* ===== ABOUT ===== */
.about {
  background: var(--light-bg);
  position: relative;
  overflow: hidden;
}
.butterfly { position: absolute; pointer-events: none; }
.butterfly-l { left: -30px; bottom: 30px; width: 200px; opacity: .5; transform: rotate(-8deg); mix-blend-mode: multiply; }
.butterfly-r { right: -30px; top: 50px;  width: 230px; opacity: .45; transform: rotate(12deg); mix-blend-mode: multiply; }

.about-body { max-width: 740px; margin: 0 auto; text-align: center; position: relative; z-index: 1; }
.about-catch {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(17px, 2.2vw, 23px);
  font-weight: 700;
  color: var(--dark-brown);
  margin-bottom: 34px;
}
.about-body p {
  font-size: 14px;
  line-height: 2.3;
  color: var(--text-sub);
  margin-bottom: 20px;
}

/* ===== 3つのPOINT ===== */
.points { background: #fff; }
.points-pre { text-align: center; font-size: 15px; color: var(--dark-brown); margin-bottom: 4px; }
.points-heading {
  text-align: center;
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(40px, 5.5vw, 64px);
  color: var(--dark-brown);
}
.points-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  padding-top: 80px;
}
.point-wrapper { display: flex; flex-direction: column; align-items: center; }
.point-above {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  margin-bottom: -23px;
  position: relative;
  z-index: 1;
}
.point-svg-icon { width: 48px; height: 48px; }
.point-num {
  width: 48px; height: 48px;
  background: var(--brown);
  color: #fff;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: 'Noto Serif JP', serif;
  font-size: 24px; font-weight: 700;
}
.point-card {
  border: 2px solid var(--brown);
  border-radius: 6px;
  padding: 38px 22px 28px;
  text-align: center;
  width: 100%;
}
.point-tag {
  display: inline-block;
  background: var(--brown);
  color: #fff;
  padding: 5px 18px;
  border-radius: 3px;
  font-size: 13px; font-weight: 700;
  margin-bottom: 18px;
}
.point-text { font-size: 13px; line-height: 2.05; color: var(--text-sub); text-align: left; }

/* ===== MENU ===== */
.menu { background: var(--light-bg); }
.menu-lead {
  text-align: center;
  font-size: clamp(14px, 1.6vw, 17px);
  font-weight: 700;
  color: var(--dark-brown);
  margin-bottom: 48px;
}
.menu-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.course-card {
  background: #fff;
  border: 1px solid #d8c8b8;
  border-radius: 6px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.course-body { padding: 18px 16px 14px; flex: 1; }

/* コース名タグ: 幅100% + 中央揃え */
.course-name {
  display: flex;
  width: 100%;
  justify-content: center;
  align-items: center;
  gap: 6px;
  background: #fdf8f2;
  border: 1px solid #e4d4c0;
  padding: 9px 16px;
  border-radius: 24px;
  font-weight: 700;
  font-size: 14px;
  color: var(--dark-brown);
  margin-bottom: 14px;
}
.course-name .jp { font-family: 'Noto Serif JP', serif; font-size: 17px; }

.course-desc { font-size: 12.5px; line-height: 2; color: var(--text-sub); }
.course-thumb {
  width: 100%;
  height: 150px;
  overflow: hidden;
}
.course-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .4s ease;
}
.course-thumb:hover img {
  transform: scale(1.07);
}
.course-foot {
  display: flex;
  align-items: center;
  background: #f4ebe0;
  padding: 10px 16px;
}
.course-foot .lbl {
  background: var(--brown);
  color: #fff;
  font-size: 11px;
  padding: 4px 10px;
  margin-right: 14px;
  white-space: nowrap;
  border-radius: 2px;
}
.course-foot .val { font-size: 16px; font-weight: 700; color: var(--dark-brown); }

/* ===== PRICE ===== */
.price { background: #fff; }
.price-lead { text-align: center; font-size: 14px; line-height: 2.3; color: var(--text-sub); margin-bottom: 48px; }
.price-box {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-radius: 8px;
  overflow: hidden;
  max-width: 840px;
  margin: 0 auto;
  box-shadow: 0 2px 24px rgba(0,0,0,.07);
}
.price-left {
  background: #faf0e2;
  padding: 48px 32px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
}
.price-items-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
}
.price-item { text-align: center; }
.price-icon { margin-bottom: 10px; }
.price-icon img { width: 56px; height: 56px; display: block; margin: 0 auto; }
.price-item-name { font-size: 13px; color: var(--brown); margin-bottom: 4px; }
.price-item-note { font-size: 11px; color: var(--brown); margin-bottom: 8px; }
.price-amount {
  background: #fff;
  padding: 6px 16px;
  border-radius: 4px;
  font-weight: 700;
  font-size: 15px;
  color: var(--dark-brown);
  display: inline-block;
}
.price-ticket-note { font-size: 12px; color: var(--text-sub); margin-top: 16px; line-height: 1.9; text-align: center; width: 100%; }
.price-plus {
  font-size: 40px;
  color: var(--brown);
  font-weight: 300;
  line-height: 1;
  align-self: center;
  flex-shrink: 0;
}
.price-right {
  background: url('../img/price-photo.jpg') center / cover no-repeat;
  min-height: 300px;
}

/* ===== STAFF ===== */
.staff { background: var(--light-bg); }
.staff-lead { text-align: center; font-size: 14px; line-height: 2.3; color: var(--text-sub); margin-bottom: 56px; }
.staff-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.staff-card { display: flex; gap: 22px; }
.staff-photo {
  width: 185px; height: 200px;
  flex-shrink: 0;
  border-radius: 3px;
  overflow: hidden;
}
.staff-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
  transition: transform .4s ease;
}
.staff-photo:hover img {
  transform: scale(1.07);
}
.staff-info { flex: 1; }
.staff-name {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(18px, 2vw, 24px);
  font-weight: 700;
  color: var(--dark-brown);
  margin-bottom: 4px;
}
.staff-role { font-size: 13px; color: var(--brown); margin-bottom: 16px; }
.staff-courses { font-size: 12.5px; color: var(--dark-brown); line-height: 1.9; margin-bottom: 16px; display: flex; gap: 6px; }
.staff-courses .lbl { color: var(--brown); white-space: nowrap; }
.staff-bio { font-size: 12.5px; line-height: 2; color: var(--text-sub); }
.staff-hr { border: none; border-top: 1px solid #d4bfac; margin-top: 20px; }

/* ===== Q&A ===== */
.qa { background: #fff; }
.qa-lead { text-align: center; font-size: 14px; line-height: 2.3; color: var(--text-sub); margin-bottom: 48px; }
.qa-list { max-width: 840px; margin: 0 auto; }
.qa-item { border-bottom: 1px dashed #c4b0a0; padding: 22px 0; }
.qa-row { display: flex; align-items: flex-start; gap: 16px; }
.qa-icon {
  width: 36px; height: 36px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 15px; font-weight: 700;
  flex-shrink: 0; margin-top: 2px;
}
.qa-icon.q { border: 2px solid #c4b0a0; color: var(--brown); }
.qa-icon.a { background: #b07830; color: #fff; }
.qa-q-text { font-size: 15px; color: var(--dark-brown); padding-top: 5px; }
.qa-a-row { margin-top: 10px; }
.qa-a-text { font-size: 13.5px; line-height: 2.1; color: var(--text-sub); padding-top: 5px; }

/* ===== CONTACT ===== */
.contact {
  position: relative;
  min-height: 400px;
  background:
    linear-gradient(135deg, rgba(200,174,150,.82) 0%, rgba(160,128,96,.82) 100%),
    url('../img/contact-bg.png') center / cover no-repeat;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
}
.contact-box {
  background: rgba(255,255,255,.52);
  backdrop-filter: blur(8px);
  padding: 50px 80px;
  border-radius: 4px;
  text-align: center;
}
.contact-free { font-size: clamp(20px, 2.8vw, 28px); font-weight: 700; color: var(--dark-brown); margin-bottom: 28px; }
.contact-cta {
  display: inline-block;
  background: #faf4e8;
  color: var(--dark-brown);
  padding: 14px 56px;
  border-radius: 4px;
  font-size: 15px;
  border: 1px solid #d8c8b0;
  transition: opacity .2s;
}
.contact-cta:hover { opacity: .78; }

/* ===== FOOTER ===== */
footer {
  background: var(--dark-brown);
  color: #c4ae98;
  text-align: center;
  padding: 28px 20px;
  font-size: 12px;
}

/* ===== レスポンシブ ===== */
@media (max-width: 1024px) {
  .menu-grid  { grid-template-columns: repeat(2, 1fr); }
  .staff-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .section { padding: 56px 20px; }

  header { padding: 0 20px; height: 64px; }
  .header-nav, .header-right { display: none; }
  .hamburger { display: flex; }

  .hero { height: clamp(300px, 60vw, 500px); }
  .hero-content { width: 100%; padding: 0 24px; text-align: center; }

  .butterfly-l { width: 130px; left: -20px; bottom: 20px; }
  .butterfly-r { width: 150px; right: -20px; top: 30px; }

  .points-grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }

  .menu-grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }

  .price-box  { grid-template-columns: 1fr; }
  .price-left { padding: 36px 20px; gap: 12px; }
  .price-items-row { gap: 14px; }
  .price-plus { font-size: 28px; }
  .price-item { min-width: 0; }
  .price-amount { font-size: 13px; padding: 5px 10px; }
  .price-right { min-height: 200px; }

  .staff-grid { grid-template-columns: 1fr; gap: 40px; }
  .staff-card { flex-direction: column; }
  .staff-photo { width: 100%; height: 220px; }

  .contact-box { padding: 36px 24px; }
}

@media (max-width: 480px) {
  header { padding: 0 16px; }
  .logo img { height: 48px; }

  .price-left { gap: 10px; padding: 28px 14px; }
  .price-plus { font-size: 22px; }
  .price-icon img { width: 44px; height: 44px; }
}