/* ===================================
   EARTH MOTHER あぁす まざぁ
   メインスタイルシート
=================================== */

/* --- リセット・ベース --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --color-primary: #e8579a;
  --color-primary-dark: #c93e82;
  --color-primary-light: #f9b8d8;
  --color-primary-pale: #fff0f7;
  --color-accent: #f9e400;
  --color-text: #4a3040;
  --color-text-light: #7a5a6a;
  --color-bg: #fff9fc;
  --color-white: #ffffff;
  --color-gray: #f5f5f5;
  --font-main: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', sans-serif;
  --font-serif: 'Noto Serif JP', 'Hiragino Mincho ProN', serif;
  --radius: 12px;
  --radius-lg: 24px;
  --shadow: 0 4px 20px rgba(232, 87, 154, 0.12);
  --shadow-lg: 0 8px 40px rgba(232, 87, 154, 0.18);
  --transition: all 0.3s ease;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

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

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

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

ul {
  list-style: none;
}

/* --- 共通コンポーネント --- */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-family: var(--font-serif);
  color: var(--color-text);
  font-weight: 700;
  letter-spacing: 0.05em;
}

.section-title span {
  color: var(--color-primary);
}

.section-line {
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
  border-radius: 2px;
  margin: 16px auto;
}

.section-desc {
  color: var(--color-text-light);
  font-size: 1rem;
  margin-top: 8px;
}

.section-header--light .section-title,
.section-header--light .section-desc {
  color: var(--color-white);
}

.section-header--light .section-line {
  background: linear-gradient(90deg, var(--color-white), rgba(255,255,255,0.4));
}

/* ボタン */
.btn {
  display: inline-block;
  padding: 14px 36px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.08em;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  text-align: center;
}

.btn--primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: var(--color-white);
  box-shadow: 0 4px 16px rgba(232, 87, 154, 0.4);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(232, 87, 154, 0.5);
}

.btn--large {
  padding: 18px 56px;
  font-size: 1.1rem;
}

/* ===================================
   ヘッダー
=================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 20px rgba(232, 87, 154, 0.1);
  height: 70px;
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.header__logo img {
  height: 44px;
  width: auto;
}

.header__nav ul {
  display: flex;
  gap: 24px;
  align-items: center;
}

.header__nav a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
  padding: 6px 0;
  position: relative;
}

.header__nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: var(--transition);
}

.header__nav a:hover::after {
  width: 100%;
}

.btn-nav {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: var(--color-white) !important;
  padding: 8px 20px !important;
  border-radius: 50px;
  box-shadow: 0 2px 12px rgba(232, 87, 154, 0.35);
}

.btn-nav:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(232, 87, 154, 0.45);
}

.btn-nav::after {
  display: none !important;
}

/* ハンバーガーメニュー（モバイル） */
.header__menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.header__menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: var(--transition);
}

/* ===================================
   ヒーローセクション
=================================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 70px;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 70% 50%, rgba(249, 184, 216, 0.3) 0%, transparent 60%),
    radial-gradient(ellipse at 20% 80%, rgba(232, 87, 154, 0.1) 0%, transparent 50%),
    linear-gradient(135deg, #fff9fc 0%, #ffe8f3 50%, #fff0f7 100%);
  z-index: 0;
}

.hero__bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('../images/bg-pattern.png.png');
  background-size: 400px;
  opacity: 0.04;
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  max-width: 760px;
  margin: 0 auto;
  padding: 100px 24px;
  width: 100%;
}

.hero__text {
  width: 100%;
}

.hero__sub {
  font-size: 1rem;
  color: var(--color-primary);
  font-weight: 500;
  letter-spacing: 0.1em;
  margin-bottom: 24px;
}

.hero__title {
  margin-bottom: 32px;
}

.hero__title img {
  max-width: 440px;
  height: auto;
  margin: 0 auto;
}

.hero__catch {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  color: #d8276b;
  font-weight: 700;
  margin-bottom: 32px;
  letter-spacing: 0.05em;
}

.hero__catch span {
  color: #d8276b;
}

.hero__desc {
  font-size: 1rem;
  color: var(--color-text-light);
  line-height: 2;
  margin-bottom: 40px;
}

.hero__text .btn {
  display: block;
  max-width: 480px;
  margin: 0 auto;
}

/* ===================================
   あぁすまざぁとは
=================================== */
.about {
  padding: 100px 0;
  background: var(--color-white);
}

.about__content {
  display: flex;
  align-items: center;
  gap: 64px;
}

.about__image {
  flex: 0 0 340px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.about__image img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  object-position: top;
}

.about__text {
  flex: 1;
}

.about__lead {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--color-primary);
  font-weight: 700;
  margin-bottom: 24px;
  line-height: 1.6;
}

.about__text p {
  margin-bottom: 16px;
  color: var(--color-text);
  line-height: 2;
}

/* ===================================
   こんな方のみかた
=================================== */
.mikata {
  padding: 100px 0;
  background: var(--color-primary-pale);
}

.mikata__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 64px;
}

.mikata__item {
  background: var(--color-white);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.mikata__item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.mikata__icon {
  font-size: 2.4rem;
  margin-bottom: 16px;
}

.mikata__item h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 12px;
  line-height: 1.6;
}

.mikata__item p {
  font-size: 0.875rem;
  color: var(--color-text-light);
  line-height: 1.8;
}

.mikata__banner {
  max-width: 600px;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.mikata__banner img {
  width: 100%;
}

/* ===================================
   サービス紹介
=================================== */
.service {
  padding: 100px 0;
  background: var(--color-white);
}

.service__list {
  display: flex;
  flex-direction: column;
  gap: 80px;
}

.service__item {
  display: flex;
  align-items: center;
  gap: 64px;
}

.service__item--reverse {
  flex-direction: row-reverse;
}

.service__image {
  flex: 0 0 420px;
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.service__image img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  transition: var(--transition);
}

.service__item:hover .service__image img {
  transform: scale(1.03);
}

.service__badge {
  position: absolute;
  top: 16px;
  left: 16px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: var(--color-white);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 50px;
  box-shadow: 0 2px 8px rgba(232, 87, 154, 0.4);
}

.service__body {
  flex: 1;
}

.service__name {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 8px;
}

.service__lead {
  font-size: 1rem;
  color: var(--color-text-light);
  margin-bottom: 16px;
  font-style: italic;
}

.service__text {
  color: var(--color-text);
  line-height: 2;
  margin-bottom: 20px;
}

.service__points {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.service__points li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--color-text);
}

.service__points li::before {
  content: '✓';
  display: flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  background: var(--color-primary);
  color: white;
  border-radius: 50%;
  font-size: 0.7rem;
  font-weight: 700;
  flex-shrink: 0;
}

.service__fee-note {
  margin-top: 20px;
  padding: 16px 20px;
  background: var(--color-primary-pale);
  border-left: 4px solid var(--color-primary);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.service__fee-label {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 6px;
}

.service__fee-detail {
  font-size: 0.9rem;
  color: var(--color-text);
  line-height: 1.7;
}

/* ===================================
   インストラクター紹介
=================================== */
.profile {
  padding: 100px 0;
  background: linear-gradient(135deg, #fff0f7 0%, #ffe8f3 100%);
}

.profile__content {
  display: flex;
  align-items: flex-start;
  gap: 64px;
}

.profile__image {
  flex: 0 0 320px;
}

.profile__image img {
  width: 100%;
  height: 480px;
  object-fit: cover;
  object-position: center top;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.profile__name-plate {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: white;
  text-align: center;
  padding: 16px;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  margin-top: -4px;
}

.profile__name-en {
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  opacity: 0.9;
  margin-bottom: 4px;
}

.profile__name-ja {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.profile__body {
  flex: 1;
  padding-top: 8px;
}

.profile__title {
  font-size: 1rem;
  color: var(--color-primary);
  font-weight: 500;
  margin-bottom: 8px;
  line-height: 1.6;
}

.profile__name-main {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 24px;
}

.profile__body p {
  color: var(--color-text);
  line-height: 2;
  margin-bottom: 16px;
}

.profile__certs {
  margin-top: 24px;
  padding: 24px;
  background: var(--color-white);
  border-radius: var(--radius);
  border-left: 4px solid var(--color-primary);
}

.profile__certs h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.profile__certs ul {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.profile__certs li {
  font-size: 0.9rem;
  color: var(--color-text);
  padding-left: 16px;
  position: relative;
}

.profile__certs li::before {
  content: '◆';
  position: absolute;
  left: 0;
  color: var(--color-primary-light);
  font-size: 0.7rem;
  top: 4px;
}

/* ===================================
   スケジュール・料金
=================================== */
.schedule {
  padding: 100px 0;
  background: var(--color-white);
}

.schedule__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-bottom: 80px;
}

.schedule__card {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--color-primary-light);
}

.schedule__card-header {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  padding: 20px 24px;
  color: white;
}

.schedule__card-header h3 {
  font-size: 1.1rem;
  font-weight: 700;
}

.schedule__card-body {
  padding: 24px;
  background: var(--color-white);
}

.schedule__placeholder img {
  width: 100%;
  border-radius: 8px;
  min-height: 160px;
  object-fit: cover;
}

.schedule__note {
  font-size: 0.8rem;
  color: var(--color-text-light);
  margin-top: 12px;
}

/* お申し込みの流れ */
.flow {
  background: var(--color-primary-pale);
  border-radius: var(--radius-lg);
  padding: 48px;
}

.flow__title {
  text-align: center;
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 40px;
}

.flow__steps {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.flow__step {
  background: var(--color-white);
  border-radius: var(--radius);
  padding: 24px 20px;
  text-align: center;
  width: 180px;
  box-shadow: var(--shadow);
  position: relative;
}

.flow__step-num {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: white;
  font-size: 0.75rem;
  font-weight: 700;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.flow__step-icon {
  font-size: 2rem;
  margin-bottom: 12px;
  margin-top: 8px;
}

.flow__step h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 8px;
}

.flow__step p {
  font-size: 0.8rem;
  color: var(--color-text-light);
  line-height: 1.6;
}

.flow__arrow {
  color: var(--color-primary-light);
  font-size: 1.4rem;
  flex-shrink: 0;
}

.flow__image {
  max-width: 480px;
  margin: 0 auto;
  border-radius: var(--radius);
  overflow: hidden;
}

.flow__image img {
  width: 100%;
}

/* ===================================
   お申し込み・お問い合わせ
=================================== */
.contact {
  padding: 100px 0;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  position: relative;
  overflow: hidden;
}

.contact::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('../images/bg-pattern.png.png');
  background-size: 300px;
  opacity: 0.05;
}

.contact .container {
  position: relative;
  z-index: 1;
}

.contact__wrap {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 56px;
  align-items: start;
}

.contact__info {
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  border-radius: var(--radius);
  padding: 40px 32px;
  border: 1px solid rgba(255,255,255,0.3);
}

.contact__info-item {
  margin-bottom: 24px;
}

.contact__label {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: rgba(255,255,255,0.8);
  margin-bottom: 6px;
}

.contact__tel {
  display: block;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: 0.05em;
}

.contact__tel:hover {
  opacity: 0.85;
}

.contact__mail {
  font-size: 0.95rem;
  color: var(--color-white);
  word-break: break-all;
}

.contact__mail:hover {
  opacity: 0.85;
  text-decoration: underline;
}

.contact__hours {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.8);
  line-height: 1.8;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,0.2);
}

/* フォーム */
.contact__form {
  background: var(--color-white);
  border-radius: var(--radius);
  padding: 40px;
  box-shadow: var(--shadow-lg);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 8px;
}

.required {
  display: inline-block;
  background: var(--color-primary);
  color: white;
  font-size: 0.7rem;
  padding: 2px 8px;
  border-radius: 4px;
  margin-left: 6px;
  vertical-align: middle;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid #e8d4df;
  border-radius: 8px;
  font-family: var(--font-main);
  font-size: 0.95rem;
  color: var(--color-text);
  background: var(--color-bg);
  transition: var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-primary);
  background: var(--color-white);
  box-shadow: 0 0 0 3px rgba(232, 87, 154, 0.12);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-group--submit {
  text-align: center;
  margin-top: 28px;
}

/* ===================================
   フッター
=================================== */
.footer {
  background: var(--color-text);
  color: rgba(255,255,255,0.8);
  padding-top: 60px;
}

.footer__inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px 48px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 48px;
  align-items: start;
}

.footer__logo img {
  height: 60px;
  width: auto;
  opacity: 0.9;
}

.footer__name {
  font-weight: 700;
  color: white;
  margin-bottom: 12px;
  font-size: 1rem;
}

.footer__info p {
  font-size: 0.875rem;
  line-height: 2;
}

.footer__info a {
  color: var(--color-primary-light);
}

.footer__info a:hover {
  color: white;
}

.footer__nav ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer__nav a {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.6);
  transition: var(--transition);
}

.footer__nav a:hover {
  color: var(--color-primary-light);
  padding-left: 4px;
}

.footer__bottom {
  background: rgba(0,0,0,0.2);
  text-align: center;
  padding: 20px 24px;
}

.footer__catch {
  font-family: var(--font-serif);
  color: var(--color-primary-light);
  font-size: 1rem;
  margin-bottom: 8px;
}

.footer__copy {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.4);
}

/* ===================================
   スクロールアニメーション
=================================== */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===================================
   レスポンシブ
=================================== */
@media (max-width: 1024px) {
  .service__image {
    flex: 0 0 320px;
  }

  .service__image img {
    height: 240px;
  }

  .about__content {
    gap: 40px;
  }

  .about__image {
    flex: 0 0 280px;
  }
}

@media (max-width: 768px) {
  /* ヘッダー */
  .header__nav {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: white;
    padding: 24px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
    flex-direction: column;
  }

  .header__nav.is-open {
    display: flex;
  }

  .header__nav ul {
    flex-direction: column;
    gap: 0;
    width: 100%;
  }

  .header__nav li {
    border-bottom: 1px solid #f0e0e8;
  }

  .header__nav a {
    display: block;
    padding: 14px 0;
  }

  .header__menu-btn {
    display: flex;
  }

  /* ヒーロー */
  .hero__inner {
    padding: 60px 24px;
  }

  .hero__title img {
    max-width: 280px;
    margin: 0 auto;
  }

  /* about */
  .about__content {
    flex-direction: column;
  }

  .about__image {
    flex: none;
    width: 100%;
    max-width: 360px;
    margin: 0 auto;
  }

  .about__image img {
    height: 280px;
  }

  /* mikata */
  .mikata__grid {
    grid-template-columns: 1fr 1fr;
  }

  /* service */
  .service__item,
  .service__item--reverse {
    flex-direction: column;
  }

  .service__image {
    flex: none;
    width: 100%;
  }

  /* profile */
  .profile__content {
    flex-direction: column;
    align-items: center;
  }

  .profile__image {
    flex: none;
    width: 100%;
    max-width: 300px;
  }

  /* schedule */
  .schedule__grid {
    grid-template-columns: 1fr;
  }

  .flow {
    padding: 32px 20px;
  }

  .flow__steps {
    gap: 8px;
  }

  .flow__step {
    width: 140px;
    padding: 20px 14px;
  }

  .flow__arrow {
    display: none;
  }

  .flow__steps {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }

  /* contact */
  .contact__wrap {
    grid-template-columns: 1fr;
  }

  .contact__form {
    padding: 28px 20px;
  }

  /* footer */
  .footer__inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

@media (max-width: 480px) {
  .mikata__grid {
    grid-template-columns: 1fr;
  }

  .flow__steps {
    grid-template-columns: 1fr;
  }

  .flow__arrow {
    display: none;
  }

  .contact__tel {
    font-size: 1.4rem;
  }
}