/* ========================================
   Ciel Blanc - Main Stylesheet
   大阪梅田 女性専用オイルマッサージ
   ======================================== */

/* ---- CSS Variables ---- */
:root {
  --sky-100: #dff4fc;   /* 最も薄い水色 */
  --sky-200: #b8e8f5;   /* ライトパステル水色 */
  --sky-300: #88d4ed;   /* ミッドパステル水色 */
  --sky-400: #5ab8de;   /* アクセント水色 */
  --sky-500: #3a9abf;   /* 濃いめ水色 */
  --bg-page:  #edf8fd;  /* ページ背景 */
  --white:    #ffffff;
  --text-900: #1e3d4a;  /* 見出し文字 */
  --text-600: #3d6e82;  /* 本文文字 */
  --text-400: #7aaabb;  /* サブテキスト */
  --border:   #c5e9f5;  /* ボーダー */
}

/* ---- Reset & Base ---- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', sans-serif;
  color: var(--text-900);
  background-color: var(--bg-page);
  line-height: 1.8;
  font-size: 16px;
}

img {
  max-width: 100%;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
}

ul, ol {
  list-style: none;
}

/* ---- Shared Section Label ---- */
.section-label {
  display: inline-block;
  font-size: 0.7rem;
  letter-spacing: 0.35em;
  color: var(--sky-400);
  font-weight: 500;
  margin-bottom: 0.6rem;
  text-transform: uppercase;
}

/* ---- Section Header ---- */
.section-header {
  text-align: center;
  padding: 4rem 2rem 2.5rem;
  background-color: var(--white);
}

.section-header h2 {
  font-family: 'Noto Serif JP', serif;
  font-size: 2rem;
  color: var(--text-900);
  margin-bottom: 0.6rem;
}

.section-header p {
  font-size: 0.85rem;
  color: var(--text-400);
  letter-spacing: 0.05em;
}

/* ========================================
   HEADER
   ======================================== */
.header {
  background-color: var(--white);
  border-bottom: 2px solid var(--sky-200);
  position: sticky;
  top: 0;
  z-index: 200;
  box-shadow: 0 2px 12px rgba(90, 184, 222, 0.12);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 2.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo-name {
  font-family: 'Noto Serif JP', serif;
  font-size: 1.6rem;
  color: var(--sky-400);
  letter-spacing: 0.12em;
  line-height: 1.2;
}

.logo-sub {
  font-size: 0.68rem;
  color: var(--text-400);
  letter-spacing: 0.08em;
  margin-top: 0.1rem;
}

.nav ul {
  display: flex;
  align-items: center;
  gap: 2.2rem;
}

.nav ul li a {
  font-size: 0.82rem;
  color: var(--text-600);
  letter-spacing: 0.04em;
  transition: color 0.25s;
}

.nav ul li a:hover {
  color: var(--sky-400);
}

.btn-reserve {
  background-color: var(--sky-400);
  color: var(--white) !important;
  padding: 0.5rem 1.4rem;
  border-radius: 25px;
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  transition: background 0.25s, transform 0.2s, box-shadow 0.25s;
  box-shadow: 0 3px 10px rgba(90, 184, 222, 0.35);
}

.btn-reserve:hover {
  background-color: var(--sky-300);
  transform: translateY(-1px);
  box-shadow: 0 5px 14px rgba(90, 184, 222, 0.45);
}

/* ========================================
   HERO
   ======================================== */
.hero {
  background: linear-gradient(135deg, var(--sky-200) 0%, var(--sky-100) 55%, var(--white) 100%);
  min-height: 92vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 4rem 2rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 60% at 50% 40%, rgba(255,255,255,0.45) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 80px;
  background: linear-gradient(to top, var(--white), transparent);
  pointer-events: none;
}

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

.hero-sub {
  font-size: 0.75rem;
  color: var(--sky-500);
  letter-spacing: 0.3em;
  margin-bottom: 1.8rem;
  font-weight: 400;
}

.hero-title {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--text-900);
  line-height: 1.7;
  margin-bottom: 3rem;
  font-weight: 600;
}

.btn-main {
  display: inline-block;
  background-color: var(--sky-400);
  color: var(--white);
  padding: 1rem 3.5rem;
  border-radius: 50px;
  font-size: 0.95rem;
  letter-spacing: 0.12em;
  transition: all 0.3s;
  box-shadow: 0 5px 20px rgba(90, 184, 222, 0.45);
}

.btn-main:hover {
  background-color: var(--sky-300);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(90, 184, 222, 0.55);
}

/* ========================================
   NOTICE BAR
   ======================================== */
.notice-bar {
  background-color: var(--sky-400);
  color: var(--white);
  text-align: center;
  padding: 0.85rem 2rem;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  line-height: 1.6;
}

/* ========================================
   BLOCK GRID LAYOUT
   ======================================== */
.block-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 520px;
}

.block-grid.reverse {
  direction: rtl;
}

.block-grid.reverse > * {
  direction: ltr;
}

.block-img {
  overflow: hidden;
  background-color: var(--sky-200);
}

.block-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 画像プレースホルダー */
.img-placeholder {
  width: 100%;
  height: 100%;
  min-height: 520px;
}

.img-about {
  background: linear-gradient(145deg, var(--sky-200) 0%, var(--sky-300) 100%);
}

.img-therapist {
  background: linear-gradient(145deg, var(--sky-300) 0%, var(--sky-200) 100%);
}

.block-text {
  display: flex;
  align-items: center;
  padding: 3.5rem 3rem 3.5rem 4rem;
}

.block-inner {
  max-width: 500px;
}

.block-inner h2 {
  font-family: 'Noto Serif JP', serif;
  font-size: 2rem;
  color: var(--text-900);
  margin-bottom: 1.2rem;
}

.block-inner p {
  font-size: 0.9rem;
  color: var(--text-600);
  margin-bottom: 0.9rem;
  line-height: 1.9;
}

.bg-light {
  background-color: var(--sky-100);
}

.bg-accent {
  background-color: var(--sky-200);
}

/* ========================================
   ABOUT
   ======================================== */
.about {
  background-color: var(--white);
}

.about-list {
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.about-list li {
  font-size: 0.82rem;
  color: var(--sky-500);
  font-weight: 500;
  letter-spacing: 0.04em;
  padding-left: 1.2rem;
  position: relative;
}

.about-list li::before {
  content: '◆';
  position: absolute;
  left: 0;
  font-size: 0.5rem;
  top: 0.4rem;
  color: var(--sky-400);
}

/* ========================================
   COURSE
   ======================================== */
.course {
  background-color: var(--bg-page);
}

.course .section-header {
  background-color: var(--bg-page);
}

.course-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 3rem 4rem;
  gap: 0;
}

.course-card {
  background-color: var(--white);
  padding: 2.8rem 2.2rem;
  border: 1px solid var(--border);
  border-right: none;
  position: relative;
  overflow: hidden;
  transition: transform 0.3s, box-shadow 0.3s;
}

.course-card:last-child {
  border-right: 1px solid var(--border);
}

.course-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--sky-400), var(--sky-300));
}

.course-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(90, 184, 222, 0.2);
  z-index: 1;
}

.course-num {
  font-family: 'Noto Serif JP', serif;
  font-size: 3.8rem;
  color: var(--sky-100);
  line-height: 1;
  margin-bottom: 0.8rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.course-card h3 {
  font-family: 'Noto Serif JP', serif;
  font-size: 1.05rem;
  color: var(--text-900);
  margin-bottom: 0.4rem;
  line-height: 1.5;
}

.course-time {
  font-size: 0.78rem;
  color: var(--sky-400);
  font-weight: 500;
  letter-spacing: 0.12em;
  margin-bottom: 1.2rem;
  padding-bottom: 1.2rem;
  border-bottom: 1px solid var(--border);
}

.course-desc {
  font-size: 0.83rem;
  color: var(--text-600);
  line-height: 1.9;
  margin-bottom: 1.8rem;
}

.course-price {
  font-family: 'Noto Serif JP', serif;
  font-size: 1.5rem;
  color: var(--sky-400);
  font-weight: 600;
  letter-spacing: 0.03em;
}

/* ========================================
   THERAPIST
   ======================================== */
.therapist {
  background-color: var(--white);
}

.therapist-name {
  font-family: 'Noto Serif JP', serif;
  font-size: 1.6rem;
  color: var(--text-900);
  margin-bottom: 1rem;
}

.therapist-name span {
  font-size: 0.85rem;
  color: var(--sky-400);
  font-family: 'Noto Sans JP', sans-serif;
  margin-left: 0.3rem;
}

.therapist-info {
  margin-top: 1.8rem;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.therapist-info li {
  font-size: 0.83rem;
  color: var(--text-600);
  padding: 0.65rem 0 0.65rem 1.5rem;
  border-bottom: 1px solid rgba(90, 184, 222, 0.2);
  position: relative;
}

.therapist-info li:first-child {
  border-top: 1px solid rgba(90, 184, 222, 0.2);
}

.therapist-info li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--sky-400);
}

/* ========================================
   RESERVATION
   ======================================== */
.reserve {
  background-color: var(--sky-100);
}

.reserve .section-header {
  background-color: var(--sky-100);
}

.reserve-content {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 3rem 4rem;
}

.reserve-box {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4rem;
  background-color: var(--white);
  padding: 3rem;
  border: 1px solid var(--border);
  align-items: center;
  box-shadow: 0 4px 20px rgba(90, 184, 222, 0.1);
}

/* QR プレースホルダー */
.qr-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
}

.qr-placeholder {
  width: 190px;
  min-height: 190px;
  border: 2px solid var(--sky-300);
  background-color: var(--sky-100);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.3rem;
  padding: 1rem;
}

.qr-label {
  font-size: 1rem;
  color: var(--sky-500);
  font-weight: 600;
  letter-spacing: 0.15em;
}

.qr-sub {
  font-size: 0.68rem;
  color: var(--text-400);
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
}

.qr-dummy {
  border: 2px solid var(--border);
  padding: 6px;
  background-color: var(--white);
}

.qr-image {
  width: 120px;
  height: 120px;
  display: block;
  object-fit: contain;
}

.reserve-info h3 {
  font-family: 'Noto Serif JP', serif;
  font-size: 1.15rem;
  color: var(--text-900);
  margin-bottom: 1.5rem;
}

.reserve-info ol {
  list-style: decimal;
  padding-left: 1.5rem;
  margin-bottom: 1.8rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.reserve-info ol li {
  font-size: 0.88rem;
  color: var(--text-600);
  padding-left: 0.3rem;
}

.btn-line-open {
  display: inline-block;
  margin-bottom: 1.4rem;
  padding: 0.7rem 1.4rem;
  border: 1px solid var(--sky-400);
  color: var(--sky-600);
  background-color: var(--white);
  text-decoration: none;
  font-size: 0.86rem;
  letter-spacing: 0.04em;
  transition: all 0.3s ease;
}

.btn-line-open:hover {
  background-color: var(--sky-500);
  color: var(--white);
}

.reserve-note {
  font-size: 0.78rem;
  color: var(--text-400);
  line-height: 2.1;
  background-color: var(--sky-100);
  padding: 1rem 1.2rem;
  border-left: 3px solid var(--sky-400);
}

.reserve-note p {
  margin: 0;
}

/* ========================================
   ACCESS
   ======================================== */
.access {
  background-color: var(--white);
}

.access .section-header {
  background-color: var(--white);
}

.access-content {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 3rem 4.5rem;
}

.access-table {
  width: 100%;
  border-collapse: collapse;
}

.access-table tr:first-child th,
.access-table tr:first-child td {
  border-top: 1px solid var(--border);
}

.access-table th,
.access-table td {
  padding: 1.1rem 1.5rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.88rem;
  vertical-align: top;
}

.access-table th {
  width: 28%;
  color: var(--sky-400);
  font-weight: 500;
  text-align: left;
  white-space: nowrap;
}

.access-table td {
  color: var(--text-600);
  line-height: 1.8;
}

.access-table small {
  font-size: 0.75rem;
  color: var(--text-400);
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
  background-color: var(--text-900);
  color: rgba(255, 255, 255, 0.65);
  text-align: center;
  padding: 3.5rem 2rem;
}

.footer-logo {
  font-family: 'Noto Serif JP', serif;
  font-size: 1.6rem;
  color: var(--sky-200);
  letter-spacing: 0.15em;
  margin-bottom: 0.4rem;
}

.footer-desc {
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.45);
  margin-bottom: 1.5rem;
  letter-spacing: 0.05em;
}

.footer-nav {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.footer-nav a {
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.5);
  letter-spacing: 0.04em;
  transition: color 0.25s;
}

.footer-nav a:hover {
  color: var(--sky-200);
}

.footer-copy {
  font-size: 0.72rem;
  color: rgba(255, 255, 255, 0.3);
  letter-spacing: 0.06em;
}

/* ========================================
   RESPONSIVE — Tablet & Mobile
   ======================================== */
@media (max-width: 960px) {
  /* Header */
  .header-inner {
    flex-direction: column;
    padding: 0.8rem 1.5rem;
    gap: 0.6rem;
  }

  .nav ul {
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
  }

  /* Hero */
  .hero-title {
    font-size: clamp(1.6rem, 5vw, 2.4rem);
  }

  /* Block grid → single column */
  .block-grid {
    grid-template-columns: 1fr;
  }

  .block-grid.reverse {
    direction: ltr;
  }

  .img-placeholder {
    min-height: 280px;
  }

  .block-text {
    padding: 2.5rem 2rem;
  }

  .block-inner {
    max-width: 100%;
  }

  /* Course → single column */
  .course-grid {
    grid-template-columns: 1fr;
    padding: 0 1.5rem 3rem;
  }

  .course-card {
    border-right: 1px solid var(--border);
    border-bottom: none;
  }

  .course-card:last-child {
    border-bottom: 1px solid var(--border);
  }

  /* Reserve */
  .reserve-content {
    padding: 0 1.5rem 3rem;
  }

  .reserve-box {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 2rem;
    padding: 2rem 1.5rem;
  }

  .qr-wrap {
    justify-content: center;
  }

  .reserve-info ol {
    text-align: left;
  }

  /* Access */
  .access-content {
    padding: 0 1.5rem 3rem;
  }

  .access-table th,
  .access-table td {
    display: block;
    width: 100%;
    padding: 0.5rem 0.8rem;
  }

  .access-table th {
    border-bottom: none;
    padding-top: 1rem;
    font-size: 0.78rem;
  }

  .access-table td {
    padding-bottom: 1rem;
  }

  .access-table tr:first-child th {
    border-top: 1px solid var(--border);
  }

  .access-table tr:first-child td {
    border-top: none;
  }

  /* Footer */
  .footer-nav {
    gap: 1.2rem;
  }
}