/* ==========================================
   デザインシステム & 共通設定
   ========================================== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Noto+Serif+JP:wght@300;400;500;700&family=Zen+Old+Mincho:wght@400;500;700&display=swap');

:root {
  /* カラーパレット - 和モダン＆エステティック */
  --color-primary: #2d5a27;      /* 深い常磐緑 (いけばなの葉) */
  --color-primary-light: #447a3d;
  --color-primary-dark: #193a15;
  --color-accent: #c9a054;       /* 洗練された金・真鍮色 */
  --color-accent-light: #e2c082;
  --color-accent-dark: #99732d;
  --color-bg-light: #faf9f5;     /* 生成り色 (柔らかな背景) */
  --color-bg-card: #ffffff;
  --color-bg-dark: #121e10;      /* 漆黒に近い深緑 (コントラストセクション) */
  --color-text-main: #2b2e2a;    /* 墨色 */
  --color-text-muted: #6e726c;   /* 鈍色 */
  --color-border: #e2e4e1;
  --color-success: #2d5a27;

  /* フォントスタック */
  --font-serif: 'Noto Serif JP', 'Zen Old Mincho', 'Georgia', serif;
  --font-sans: 'Inter', 'Noto Sans JP', -apple-system, BlinkMacSystemFont, sans-serif;

  /* シャドウ・アングル・遷移 */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 10px 30px rgba(45, 90, 39, 0.08);
  --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.12);
  --transition-smooth: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
  --transition-fast: all 0.2s ease;
}

/* リセット & ベーススタイル */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 62.5%; /* 1rem = 10px */
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-sans);
  font-size: 1.6rem;
  line-height: 1.8;
  color: var(--color-text-main);
  background-color: var(--color-bg-light);
  overflow-x: hidden;
}

/* 縦書き用ユーティリティ */
.vertical-text {
  writing-mode: vertical-rl;
  -ms-writing-mode: tb-rl;
  text-orientation: mixed;
}

/* 見出しのスタイル */
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 500;
  line-height: 1.4;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-fast);
}

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

li {
  list-style: none;
}

/* コンテナ */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 3rem;
}

/* ボタン共通 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem 3.5rem;
  font-family: var(--font-sans);
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  border-radius: 4px;
  cursor: pointer;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
  border: none;
}

.btn--primary {
  background-color: var(--color-primary);
  color: #fff;
  box-shadow: 0 4px 15px rgba(45, 90, 39, 0.2);
}

.btn--primary::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 300px;
  height: 300px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  transform: translate(-50%, -50%) scale(0);
  transition: transform 0.5s ease-out;
}

.btn--primary:hover::after {
  transform: translate(-50%, -50%) scale(1);
}

.btn--primary:hover {
  background-color: var(--color-primary-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(45, 90, 39, 0.3);
}

.btn--accent {
  background-color: var(--color-accent);
  color: #fff;
  box-shadow: 0 4px 15px rgba(201, 160, 84, 0.2);
}

.btn--accent:hover {
  background-color: var(--color-accent-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(201, 160, 84, 0.3);
}

.btn--outline {
  background-color: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}

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

/* スクロールアニメーション用クラス */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.25, 1, 0.5, 1);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* セクションタイトル */
.section-title {
  text-align: center;
  margin-bottom: 6rem;
  position: relative;
}

.section-title span {
  display: block;
  font-family: var(--font-sans);
  color: var(--color-accent);
  font-size: 1.4rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.section-title h2 {
  font-size: 3.6rem;
  letter-spacing: 0.05em;
  color: var(--color-primary-dark);
}

.section-title h2::after {
  content: '';
  display: block;
  width: 40px;
  height: 2px;
  background-color: var(--color-accent);
  margin: 2rem auto 0;
}

/* ==========================================
   ヘッダー (Header)
   ========================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: var(--transition-smooth);
  padding: 2.5rem 0;
}

.header.scrolled {
  background-color: rgba(250, 249, 245, 0.95);
  backdrop-filter: blur(10px);
  padding: 1.5rem 0;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.header__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo img {
  height: 4.5rem;
  width: auto;
  transition: var(--transition-smooth);
}

.header.scrolled .logo img {
  height: 3.8rem;
}

/* ナビゲーション */
.nav__list {
  display: flex;
  align-items: center;
  gap: 3.5rem;
}

.nav__link {
  font-size: 1.4rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  position: relative;
  padding: 0.5rem 0;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--color-primary);
  transition: var(--transition-smooth);
}

.nav__link:hover::after {
  width: 100%;
}

.nav__link:hover {
  color: var(--color-primary);
}

.header__cta {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.header__phone {
  display: flex;
  flex-direction: column;
  text-align: right;
}

.header__phone span {
  font-size: 1rem;
  color: var(--color-text-muted);
}

.header__phone a {
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--color-primary);
}

/* ハンバーガーメニュー (モバイル用) */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 1rem;
  z-index: 1100;
}

.nav-toggle__bar {
  display: block;
  width: 25px;
  height: 2px;
  background-color: var(--color-text-main);
  margin: 5px 0;
  transition: var(--transition-smooth);
}

/* ==========================================
   ヒーローセクション (Hero Section / MV)
   ========================================== */
.hero {
  position: relative;
  height: 90vh;
  min-height: 600px;
  overflow: hidden;
  background-color: var(--color-bg-dark);
}

.hero__slider {
  height: 100%;
  width: 100%;
  position: relative;
}

.hero__slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  visibility: hidden;
  transition: opacity 1.5s ease, visibility 1.5s ease;
  z-index: 1;
}

.hero__slide.active {
  opacity: 1;
  visibility: visible;
  z-index: 2;
}

.hero__slide-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  transform: scale(1.1);
  transition: transform 8s cubic-bezier(0.25, 1, 0.5, 1);
}

.hero__slide.active .hero__slide-bg {
  transform: scale(1.0);
}

/* オーバーレイ */
.hero__slide::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(18, 30, 16, 0.4) 0%, rgba(18, 30, 16, 0.1) 100%);
  z-index: 2;
}

/* ヒーローコンテンツ (和風・縦書き・美学) */
.hero__content {
  position: absolute;
  top: 50%;
  left: 10%;
  transform: translateY(-50%);
  z-index: 10;
  color: #fff;
  display: flex;
  align-items: flex-start;
  gap: 4rem;
}

.hero__title-box {
  display: flex;
  gap: 3rem;
}

.hero__main-title {
  font-family: var(--font-serif);
  font-size: clamp(4rem, 6vw, 6.5rem);
  line-height: 1.2;
  letter-spacing: 0.3em;
  color: #ffffff;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 1s ease 0.5s, transform 1s ease 0.5s;
}

.hero__slide.active .hero__main-title {
  opacity: 1;
  transform: translateY(0);
}

.hero__sub-title {
  font-family: var(--font-sans);
  font-size: 1.5rem;
  letter-spacing: 0.25em;
  color: var(--color-accent-light);
  text-transform: uppercase;
  margin-top: 1rem;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 1s ease 1s, transform 1s ease 1s;
}

.hero__slide.active .hero__sub-title {
  opacity: 1;
  transform: translateY(0);
}

/* スライダーインジケーター */
.hero__indicators {
  position: absolute;
  bottom: 5rem;
  right: 5%;
  display: flex;
  gap: 1.5rem;
  z-index: 10;
}

.hero__indicator {
  width: 45px;
  height: 2px;
  background-color: rgba(255, 255, 255, 0.3);
  cursor: pointer;
  transition: var(--transition-smooth);
}

.hero__indicator.active {
  background-color: var(--color-accent);
  width: 70px;
}

/* スクロールダウン */
.hero__scroll {
  position: absolute;
  bottom: 4rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  color: #fff;
  font-size: 1.1rem;
  letter-spacing: 0.2em;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  opacity: 0.8;
}

.hero__scroll-line {
  width: 1px;
  height: 60px;
  background-color: rgba(255, 255, 255, 0.3);
  position: relative;
  overflow: hidden;
}

.hero__scroll-line::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 20px;
  background-color: var(--color-accent);
  animation: scrollDown 2s infinite ease-in-out;
}

@keyframes scrollDown {
  0% { top: -20px; }
  100% { top: 60px; }
}

/* ==========================================
   コンセプトセクション (Concept)
   ========================================== */
.concept {
  padding: 12rem 0;
  background-color: var(--color-bg-light);
  position: relative;
}

.concept::after {
  content: '';
  position: absolute;
  bottom: 0;
  right: 0;
  width: 300px;
  height: 300px;
  background-image: url('../images/class_camellia.png');
  background-size: contain;
  background-repeat: no-repeat;
  opacity: 0.05;
  pointer-events: none;
}

.concept__grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 8rem;
  align-items: center;
}

.concept__image-box {
  position: relative;
}

.concept__main-img {
  width: 100%;
  border-radius: 8px;
  box-shadow: var(--shadow-lg);
}

.concept__sub-img {
  position: absolute;
  bottom: -40px;
  right: -40px;
  width: 60%;
  border-radius: 8px;
  border: 8px solid var(--color-bg-light);
  box-shadow: var(--shadow-md);
}

.concept__content {
  padding-left: 2rem;
}

.concept__tagline {
  font-family: var(--font-serif);
  font-size: 2.8rem;
  color: var(--color-primary-dark);
  line-height: 1.5;
  margin-bottom: 3rem;
  position: relative;
}

.concept__tagline::before {
  content: 'Concept';
  display: block;
  font-family: var(--font-sans);
  color: var(--color-accent);
  font-size: 1.4rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.concept__text {
  font-size: 1.6rem;
  line-height: 2.0;
  color: var(--color-text-muted);
  margin-bottom: 4rem;
}

.concept__text p {
  margin-bottom: 2rem;
}

/* ==========================================
   いけばな教室セクション (Lessons)
   ========================================== */
.lessons {
  padding: 12rem 0;
  background-color: #ffffff;
}

/* 4特徴スロット */
.lessons__feats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 3rem;
  margin-bottom: 8rem;
}

.feat-card {
  background-color: var(--color-bg-light);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-smooth);
}

.feat-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.feat-card__img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.feat-card__content {
  padding: 2.5rem;
}

.feat-card__title {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  color: var(--color-primary-dark);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.feat-card__title::before {
  content: '0' attr(data-index);
  font-family: var(--font-sans);
  font-size: 1.3rem;
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
  padding: 0.2rem 0.6rem;
  border-radius: 2px;
}

.feat-card__text {
  font-size: 1.4rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* レッスンコース一覧 */
.lessons__courses {
  margin-bottom: 8rem;
}

.courses-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 4rem;
}

.course-card {
  background-color: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 4rem;
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.course-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  background-color: #fff;
}

.course-card__header {
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 2rem;
  margin-bottom: 2.5rem;
}

.course-card__title {
  font-size: 2.4rem;
  color: var(--color-primary-dark);
  margin-bottom: 1rem;
}

.course-card__desc {
  font-size: 1.4rem;
  color: var(--color-text-muted);
}

.course-card__price-box {
  margin-bottom: 2.5rem;
}

.course-card__price {
  font-size: 2.8rem;
  font-weight: 600;
  color: var(--color-primary);
  font-family: var(--font-sans);
}

.course-card__price-detail {
  font-size: 1.3rem;
  color: var(--color-text-muted);
  margin-top: 0.5rem;
}

.course-card__body {
  font-size: 1.5rem;
  color: var(--color-text-main);
  margin-bottom: 3rem;
  flex-grow: 1;
}

.course-card__body li {
  position: relative;
  padding-left: 2rem;
  margin-bottom: 1rem;
}

.course-card__body li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: bold;
}

/* タイムテーブル (時間割表) */
.lessons__schedule {
  margin-bottom: 8rem;
}

.schedule-table-wp {
  overflow-x: auto;
  border-radius: 8px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
}

.schedule-table {
  width: 100%;
  border-collapse: collapse;
  text-align: center;
  background-color: #fff;
  min-width: 600px;
}

.schedule-table th, .schedule-table td {
  padding: 1.8rem 2rem;
  border: 1px solid var(--color-border);
}

.schedule-table th {
  background-color: var(--color-primary);
  color: #fff;
  font-weight: 500;
  font-size: 1.5rem;
}

.schedule-table tr:nth-child(even) {
  background-color: var(--color-bg-light);
}

.schedule-table td span.circle {
  display: inline-block;
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 50%;
  border: 2px solid var(--color-primary);
}

.schedule-table td span.circle-special {
  display: inline-block;
  padding: 0.4rem 1.2rem;
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
  border-radius: 4px;
  background-color: rgba(45, 90, 39, 0.05);
}

.schedule-table td.rest {
  color: #d1d5db;
  font-size: 1.4rem;
}

/* その他経費 */
.expenses-box {
  background-color: var(--color-bg-light);
  border-radius: 8px;
  padding: 4rem;
  border-left: 4px solid var(--color-accent);
}

.expenses-box__title {
  font-size: 2rem;
  color: var(--color-primary-dark);
  margin-bottom: 2.5rem;
}

.expenses-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.5rem;
}

.expense-item {
  display: flex;
  justify-content: space-between;
  border-bottom: 1px dashed var(--color-border);
  padding-bottom: 1rem;
}

.expense-item__name {
  font-weight: 500;
  font-size: 1.5rem;
}

.expense-item__price {
  color: var(--color-primary);
  font-weight: 600;
}

.expense-item__desc {
  grid-column: span 2;
  font-size: 1.3rem;
  color: var(--color-text-muted);
  margin-top: -1.5rem;
  margin-bottom: 1rem;
}

/* ==========================================
   無料体験レッスンセクション (Trial Lesson CTA)
   ========================================== */
.trial {
  padding: 10rem 0;
  background-color: var(--color-primary-dark);
  color: #fff;
  position: relative;
  overflow: hidden;
}

.trial::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 80% 20%, rgba(201, 160, 84, 0.15) 0%, transparent 50%);
}

.trial__container {
  position: relative;
  z-index: 10;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.trial__subtitle {
  font-family: var(--font-sans);
  color: var(--color-accent-light);
  font-size: 1.4rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  margin-bottom: 2rem;
}

.trial__title {
  font-size: 3.6rem;
  letter-spacing: 0.05em;
  margin-bottom: 3rem;
  line-height: 1.4;
}

.trial__text {
  font-size: 1.6rem;
  line-height: 1.8;
  margin-bottom: 5rem;
  color: rgba(255, 255, 255, 0.8);
}

.trial__benefits {
  display: flex;
  justify-content: center;
  gap: 5rem;
  margin-bottom: 6rem;
}

.trial-benefit {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 1.6rem;
}

.trial-benefit__icon {
  width: 2.8rem;
  height: 2.8rem;
  border-radius: 50%;
  background-color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: bold;
}

/* ==========================================
   ディスプレイいけばなセクション (Display)
   ========================================== */
.display-sec {
  padding: 12rem 0;
  background-color: var(--color-bg-light);
}

.display-sec__intro {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 8rem;
  align-items: center;
  margin-bottom: 8rem;
}

.display-sec__intro-text {
  font-size: 1.6rem;
  line-height: 1.8;
  color: var(--color-text-muted);
}

.display-sec__intro-text p {
  margin-bottom: 2rem;
}

.display-sec__main-img {
  width: 100%;
  border-radius: 8px;
  box-shadow: var(--shadow-md);
}

.display-services {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 4rem;
  margin-bottom: 8rem;
}

.display-service-card {
  background-color: #fff;
  border-radius: 8px;
  padding: 4rem;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  display: flex;
  gap: 3rem;
}

.display-service-card__content {
  flex: 1;
}

.display-service-card__title {
  font-size: 2.2rem;
  color: var(--color-primary-dark);
  margin-bottom: 1.5rem;
}

.display-service-card__text {
  font-size: 1.4rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: 2rem;
}

.display-service-card__sample {
  display: flex;
  align-items: center;
  gap: 2rem;
  background-color: var(--color-bg-light);
  padding: 1.5rem;
  border-radius: 4px;
}

.display-service-card__sample img {
  width: 80px;
  height: 80px;
  object-fit: cover;
  border-radius: 4px;
}

.display-service-card__sample-info {
  display: flex;
  flex-direction: column;
}

.display-service-card__sample-label {
  font-size: 1.1rem;
  color: var(--color-accent-dark);
  font-weight: bold;
}

.display-service-card__sample-title {
  font-size: 1.3rem;
  font-weight: 500;
}

.display-service-card__sample-price {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-top: 0.3rem;
}

/* 実績ギャラリー */
.display-gallery__title {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  color: var(--color-primary-dark);
  margin-bottom: 3rem;
  text-align: center;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.gallery-item {
  position: relative;
  border-radius: 6px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  aspect-ratio: 1;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.25, 1, 0.5, 1);
}

.gallery-item:hover img {
  transform: scale(1.1);
}

.gallery-item__overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(45, 90, 39, 0.7);
  opacity: 0;
  transition: opacity 0.4s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.gallery-item:hover .gallery-item__overlay {
  opacity: 1;
}

.gallery-item__text {
  color: #fff;
  font-family: var(--font-serif);
  font-size: 1.6rem;
  text-align: center;
  transform: translateY(10px);
  transition: transform 0.4s ease;
}

.gallery-item:hover .gallery-item__text {
  transform: translateY(0);
}

/* ==========================================
   ワークショップセクション (Workshops)
   ========================================== */
.workshops {
  padding: 12rem 0;
  background-color: #ffffff;
}

.workshops__intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8rem;
  align-items: center;
  margin-bottom: 8rem;
}

.workshops__intro-text {
  font-size: 1.6rem;
  line-height: 1.8;
  color: var(--color-text-muted);
}

.workshops__intro-text p {
  margin-bottom: 2rem;
}

.workshops__intro-img {
  width: 100%;
  border-radius: 8px;
  box-shadow: var(--shadow-md);
}

.workshop-types {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 4rem;
  margin-bottom: 8rem;
}

.workshop-type-card {
  background-color: var(--color-bg-light);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}

.workshop-type-card__img {
  width: 100%;
  height: 250px;
  object-fit: cover;
}

.workshop-type-card__content {
  padding: 4rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  flex: 1;
}

.workshop-type-card__title {
  font-size: 2.2rem;
  color: var(--color-primary-dark);
  margin-bottom: 2rem;
}

.workshop-type-card__text {
  font-size: 1.5rem;
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: 3rem;
}

/* インタラクティブなシミュレーター */
.calculator {
  background-color: var(--color-bg-light);
  border-radius: 12px;
  padding: 6rem;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
  max-width: 800px;
  margin: 0 auto;
}

.calculator__title {
  text-align: center;
  font-size: 2.4rem;
  color: var(--color-primary-dark);
  margin-bottom: 4rem;
}

.calculator__form-group {
  margin-bottom: 3rem;
}

.calculator__label {
  display: block;
  font-size: 1.5rem;
  font-weight: 500;
  margin-bottom: 1rem;
}

.calculator__range-wp {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.calculator__range {
  flex: 1;
  accent-color: var(--color-primary);
  height: 6px;
  border-radius: 3px;
  outline: none;
}

.calculator__number {
  width: 70px;
  padding: 0.8rem;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  text-align: center;
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--color-primary);
  background: #fff;
}

.calculator__formula {
  background-color: rgba(201, 160, 84, 0.05);
  border: 1px dashed var(--color-accent);
  padding: 2rem;
  border-radius: 6px;
  text-align: center;
  font-size: 1.4rem;
  color: var(--color-accent-dark);
  margin-bottom: 4rem;
}

.calculator__result {
  text-align: center;
  border-top: 1px solid var(--color-border);
  padding-top: 4rem;
}

.calculator__result-label {
  font-size: 1.6rem;
  color: var(--color-text-muted);
}

.calculator__result-price {
  font-size: 4.8rem;
  font-weight: 700;
  color: var(--color-primary);
  font-family: var(--font-sans);
  margin-top: 0.5rem;
}

.calculator__result-note {
  font-size: 1.2rem;
  color: var(--color-text-muted);
  margin-top: 1rem;
}

/* ==========================================
   デコパッチ & 水引 セクション (Crafts)
   ========================================== */
.crafts {
  padding: 12rem 0;
  background-color: var(--color-bg-light);
}

.crafts__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 6rem;
}

.craft-card {
  background-color: #fff;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
}

.craft-card__hero-img {
  width: 100%;
  height: 280px;
  object-fit: cover;
}

.craft-card__content {
  padding: 5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.craft-card__title {
  font-size: 2.4rem;
  color: var(--color-primary-dark);
  margin-bottom: 2.5rem;
  position: relative;
}

.craft-card__title span {
  display: block;
  font-size: 1.3rem;
  color: var(--color-accent);
  margin-bottom: 0.5rem;
}

.craft-card__text {
  font-size: 1.5rem;
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: 3.5rem;
}

/* アートギャラリー・サブ写真 */
.craft-card__gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 4rem;
}

.craft-card__gallery img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 4px;
  border: 1px solid var(--color-border);
}

/* デコパッチ認定バッジ */
.badge-box {
  display: flex;
  align-items: center;
  gap: 2rem;
  background-color: var(--color-bg-light);
  padding: 2rem;
  border-radius: 6px;
  margin-bottom: 4rem;
}

.badge-box img {
  width: 60px;
  height: 60px;
  object-fit: contain;
}

.badge-box__text h4 {
  font-size: 1.5rem;
  color: var(--color-primary-dark);
  font-weight: 600;
  margin-bottom: 0.3rem;
}

.badge-box__text p {
  font-size: 1.3rem;
  color: var(--color-text-muted);
}

.craft-card__cta {
  margin-top: auto;
  border-top: 1px solid var(--color-border);
  padding-top: 3rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.craft-card__price-info {
  display: flex;
  flex-direction: column;
}

.craft-card__price-label {
  font-size: 1.1rem;
  color: var(--color-text-muted);
}

.craft-card__price-val {
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--color-primary);
}

/* ==========================================
   講師プロフィールセクション (Profile)
   ========================================== */
.profile {
  padding: 12rem 0;
  background-color: #ffffff;
}

.profile__grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 8rem;
}

.profile__sidebar {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.profile__photo-wp {
  position: relative;
  margin-bottom: 3rem;
}

.profile__photo-wp::before {
  content: '';
  position: absolute;
  top: -10px;
  left: -10px;
  width: calc(100% + 20px);
  height: calc(100% + 20px);
  border: 1px solid var(--color-accent);
  border-radius: 50%;
  pointer-events: none;
}

.profile__photo {
  width: 250px;
  height: 250px;
  object-fit: cover;
  border-radius: 50%;
  border: 5px solid #fff;
  box-shadow: var(--shadow-md);
}

.profile__name h3 {
  font-size: 2.8rem;
  color: var(--color-primary-dark);
  margin-bottom: 0.5rem;
}

.profile__name span.kana {
  display: block;
  font-size: 1.4rem;
  color: var(--color-text-muted);
  margin-bottom: 0.5rem;
}

.profile__name span.en {
  display: block;
  font-size: 1.2rem;
  color: var(--color-accent);
  letter-spacing: 0.1em;
}

.profile__qualifications {
  margin-top: 3.5rem;
  background-color: var(--color-bg-light);
  padding: 3rem;
  border-radius: 8px;
  width: 100%;
}

.profile__qualifications h4 {
  font-size: 1.6rem;
  color: var(--color-primary-dark);
  margin-bottom: 1.5rem;
}

.profile__qualifications li {
  font-size: 1.4rem;
  color: var(--color-text-muted);
  margin-bottom: 0.8rem;
  position: relative;
  padding-left: 1.5rem;
  text-align: left;
}

.profile__qualifications li::before {
  content: '▪';
  position: absolute;
  left: 0;
  color: var(--color-accent);
}

/* プロフィール本文 */
.profile__main-text {
  font-size: 1.6rem;
  line-height: 2.0;
  color: var(--color-text-muted);
  margin-bottom: 5rem;
}

.profile__main-text p {
  margin-bottom: 2rem;
}

/* 講師経歴タイムライン */
.timeline {
  position: relative;
  padding-left: 3rem;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  left: 5px;
  width: 1px;
  height: 100%;
  background-color: var(--color-border);
}

.timeline-item {
  position: relative;
  margin-bottom: 4rem;
}

.timeline-item::before {
  content: '';
  position: absolute;
  top: 8px;
  left: -29px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background-color: var(--color-accent);
  box-shadow: 0 0 0 4px rgba(201, 160, 84, 0.2);
}

.timeline-year {
  font-family: var(--font-sans);
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 0.8rem;
}

.timeline-content h5 {
  font-size: 1.6rem;
  color: var(--color-primary-dark);
  margin-bottom: 0.5rem;
}

.timeline-content p {
  font-size: 1.4rem;
  color: var(--color-text-muted);
}

/* メッセージ・人柄 */
.profile__message {
  margin-top: 6rem;
  background-color: var(--color-bg-light);
  border-radius: 8px;
  padding: 5rem;
  position: relative;
}

.profile__message::before {
  content: '“';
  position: absolute;
  top: 1rem;
  left: 2rem;
  font-size: 8rem;
  font-family: serif;
  color: rgba(201, 160, 84, 0.15);
  line-height: 1;
}

.profile__message-title {
  font-size: 2rem;
  color: var(--color-primary-dark);
  margin-bottom: 2.5rem;
}

.profile__message-body {
  font-size: 1.5rem;
  line-height: 1.8;
  color: var(--color-text-muted);
}

/* ==========================================
   アクセス・決済セクション (Access)
   ========================================== */
.access-sec {
  padding: 12rem 0;
  background-color: var(--color-bg-light);
}

.access__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8rem;
  align-items: center;
}

.access__map-wp {
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
  height: 400px;
}

.access__map-wp iframe {
  width: 100%;
  height: 100%;
  border: none;
}

.access__info h3 {
  font-size: 2.6rem;
  color: var(--color-primary-dark);
  margin-bottom: 3rem;
}

.access-details {
  margin-bottom: 4rem;
}

.access-detail {
  display: flex;
  margin-bottom: 2.5rem;
}

.access-detail__label {
  font-weight: 600;
  width: 100px;
  flex-shrink: 0;
}

.access-detail__val {
  color: var(--color-text-muted);
}

.paypay-banner {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  background-color: #fff;
  padding: 2.5rem;
  border-radius: 6px;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.paypay-banner img {
  width: 100px;
  object-fit: contain;
}

.paypay-banner__text h4 {
  font-size: 1.6rem;
  color: var(--color-primary-dark);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.paypay-banner__text p {
  font-size: 1.3rem;
  color: var(--color-text-muted);
}

/* ==========================================
   お問い合わせセクション (Contact)
   ========================================== */
.contact-sec {
  padding: 12rem 0;
  background-color: #ffffff;
}

.contact-sec__grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 8rem;
}

.contact-sec__info h3 {
  font-size: 2.6rem;
  color: var(--color-primary-dark);
  margin-bottom: 2.5rem;
}

.contact-sec__info p {
  font-size: 1.5rem;
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: 4rem;
}

.contact-methods {
  margin-bottom: 4rem;
}

.contact-method {
  display: flex;
  align-items: center;
  gap: 2rem;
  margin-bottom: 3rem;
}

.contact-method__icon {
  width: 5rem;
  height: 5rem;
  border-radius: 50%;
  background-color: var(--color-bg-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-size: 2rem;
}

.contact-method__text span {
  display: block;
  font-size: 1.2rem;
  color: var(--color-text-muted);
}

.contact-method__text a {
  font-size: 2.4rem;
  font-weight: 600;
  color: var(--color-primary-dark);
  font-family: var(--font-sans);
}

/* お問い合わせフォーム */
.contact-form {
  background-color: var(--color-bg-light);
  padding: 5rem;
  border-radius: 8px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
}

.form-group {
  margin-bottom: 2.5rem;
}

.form-group.half-width {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.form-label {
  display: block;
  font-size: 1.4rem;
  font-weight: 500;
  margin-bottom: 0.8rem;
}

.form-label span.req {
  color: #ef4444;
  margin-left: 0.5rem;
  font-size: 1.2rem;
}

.form-control {
  width: 100%;
  padding: 1.5rem;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  background-color: #fff;
  font-size: 1.5rem;
  font-family: var(--font-sans);
  transition: var(--transition-fast);
  color: var(--color-text-main);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(45, 90, 39, 0.1);
}

textarea.form-control {
  resize: vertical;
  min-height: 150px;
}

.form-submit-wp {
  margin-top: 4rem;
  text-align: center;
}

/* トースト通知 */
.toast {
  position: fixed;
  bottom: 3rem;
  right: 3rem;
  background-color: var(--color-primary-dark);
  color: #fff;
  padding: 2rem 3.5rem;
  border-radius: 4px;
  box-shadow: var(--shadow-lg);
  z-index: 2000;
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
  transition: opacity 0.4s ease, transform 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

/* ==========================================
   フッター (Footer)
   ========================================== */
.footer {
  background-color: var(--color-bg-dark);
  color: #fff;
  padding: 8rem 0 4rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 6rem;
  margin-bottom: 6rem;
}

.footer__logo-box img {
  height: 5rem;
  margin-bottom: 2.5rem;
}

.footer__address {
  font-size: 1.4rem;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.8;
}

.footer__address p {
  margin-bottom: 1rem;
}

.footer__title {
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--color-accent-light);
  margin-bottom: 2.5rem;
  position: relative;
}

.footer__title::after {
  content: '';
  display: block;
  width: 25px;
  height: 1px;
  background-color: var(--color-accent);
  margin-top: 1rem;
}

.footer__links li {
  margin-bottom: 1.5rem;
}

.footer__links a {
  font-size: 1.4rem;
  color: rgba(255, 255, 255, 0.7);
}

.footer__links a:hover {
  color: var(--color-accent-light);
  padding-left: 0.5rem;
}

.footer__sns-links {
  display: flex;
  gap: 2rem;
  margin-top: 2rem;
}

.footer__sns-link {
  width: 4rem;
  height: 4rem;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  transition: var(--transition-smooth);
}

.footer__sns-link:hover {
  background-color: var(--color-accent);
  color: #fff;
  transform: translateY(-3px);
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 4rem;
  text-align: center;
}

.footer__copy {
  font-size: 1.2rem;
  color: rgba(255, 255, 255, 0.4);
}

/* ==========================================
   レスポンシブデザイン (Responsive Design)
   ========================================== */
@media (max-width: 1024px) {
  .header__phone {
    display: none;
  }
  
  .concept__grid,
  .display-sec__intro,
  .workshops__intro,
  .profile__grid,
  .access__grid,
  .contact-sec__grid {
    grid-template-columns: 1fr;
    gap: 6rem;
  }
  
  .lessons__feats {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .display-services {
    grid-template-columns: 1fr;
  }
  
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .crafts__grid {
    grid-template-columns: 1fr;
    max-width: 600px;
    margin: 0 auto;
  }
}

@media (max-width: 768px) {
  /* モバイル用ナビゲーション */
  .nav-toggle {
    display: block;
  }
  
  .nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background-color: var(--color-bg-light);
    z-index: 1050;
    transition: var(--transition-smooth);
    box-shadow: -10px 0 30px rgba(0,0,0,0.05);
    padding: 10rem 4rem;
  }
  
  .nav.active {
    right: 0;
  }
  
  .nav__list {
    flex-direction: column;
    align-items: flex-start;
    gap: 3rem;
  }
  
  .nav__link {
    font-size: 1.8rem;
  }
  
  .header__cta .btn {
    display: none; /* スマホではヘッダーのボタンを隠す */
  }
  
  .courses-grid,
  .workshop-types {
    grid-template-columns: 1fr;
  }
  
  .expenses-grid {
    grid-template-columns: 1fr;
  }
  
  .expense-item__desc {
    grid-column: span 1;
  }
  
  .hero {
    height: 70vh;
  }
  
  .hero__content {
    left: 5%;
  }
  
  .section-title h2 {
    font-size: 2.8rem;
  }
  
  .contact-form {
    padding: 3rem;
  }
  
  .form-group.half-width {
    grid-template-columns: 1fr;
    gap: 0;
  }
  
  .footer__grid {
    grid-template-columns: 1fr;
    gap: 4rem;
  }
}