/* ==================== カスタムプロパティ ==================== */
:root {
  --yellow:       #FDD835;
  --yellow-light: #FFFDE7;
  --yellow-dark:  #F9A825;
  --red:          #E53935;
  --red-dark:     #C62828;
  --green:        #43A047;
  --green-dark:   #2E7D32;
  --dark:         #2C2C2C;
  --gray:         #666666;
  --light-gray:   #F5F5F5;
  --white:        #FFFFFF;

  --font:         'Noto Sans JP', sans-serif;
  --max-w:        1100px;
  --narrow-w:     700px;
  --radius:       16px;
  --shadow:       0 4px 24px rgba(0, 0, 0, 0.08);
  --trans:        0.25s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  color: var(--dark);
  background-color: var(--white);
  line-height: 1.7;
  font-size: 16px;
}

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

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

ul, ol {
  list-style: none;
}

/* ==================== ユーティリティ ==================== */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

.container--narrow {
  max-width: var(--narrow-w);
}

.hidden {
  display: none;
}

/* ==================== ボタン ==================== */
.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: 50px;
  font-family: var(--font);
  font-weight: 700;
  font-size: 16px;
  cursor: pointer;
  border: none;
  transition: transform var(--trans), box-shadow var(--trans);
  letter-spacing: 0.05em;
}

.btn--primary {
  background-color: var(--red);
  color: var(--white);
  box-shadow: 0 4px 16px rgba(229, 57, 53, 0.35);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(229, 57, 53, 0.4);
}

.btn--large {
  padding: 18px 56px;
  font-size: 17px;
}

/* ==================== テキストボタン（アンカー風） ==================== */
.link-btn {
  background: none;
  border: none;
  font-family: var(--font);
  font-size: inherit;
  cursor: pointer;
  color: var(--red);
  text-decoration: underline;
  padding: 0;
  transition: color var(--trans);
}

.link-btn:hover {
  color: var(--red-dark);
}

/* ==================== セクション共通 ==================== */
.section {
  padding: 88px 0;
}

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

.section-label {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--green);
  margin-bottom: 10px;
}

.section-title {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 900;
  line-height: 1.3;
  margin-bottom: 16px;
}

.section-desc {
  color: var(--gray);
  font-size: 15px;
  line-height: 1.9;
}

/* ==================== ヘッダー ==================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 3px solid var(--yellow);
  transition: box-shadow var(--trans);
}

.header.scrolled {
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.header-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-text {
  font-size: 26px;
  font-weight: 900;
  color: var(--red);
  letter-spacing: -0.02em;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  display: block;
  font-size: 14px;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 50px;
  transition: background-color var(--trans), color var(--trans);
}

.nav-link:hover {
  background-color: var(--yellow-light);
  color: var(--red);
}

.nav-link--cta {
  background-color: var(--red);
  color: var(--white);
  font-weight: 700;
  margin-left: 8px;
}

.nav-link--cta:hover {
  background-color: var(--red-dark);
  color: var(--white);
}

/* ハンバーガーボタン */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.hamburger span {
  display: block;
  width: 26px;
  height: 2px;
  background-color: var(--dark);
  border-radius: 2px;
  transition: transform var(--trans), opacity var(--trans);
}

.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ==================== ヒーロー ==================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(140deg, var(--yellow) 0%, #FFF9C4 55%, var(--yellow-light) 100%);
  overflow: hidden;
  padding: 120px 24px 80px;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: var(--max-w);
  margin: 0 auto;
  width: 100%;
}

.hero-badge {
  display: inline-block;
  background-color: var(--green);
  color: var(--white);
  font-size: 13px;
  font-weight: 700;
  padding: 6px 18px;
  border-radius: 50px;
  letter-spacing: 0.06em;
  margin-bottom: 24px;
}

.hero-title {
  font-size: clamp(40px, 7vw, 80px);
  font-weight: 900;
  line-height: 1.2;
  color: var(--dark);
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.hero-desc {
  font-size: 17px;
  color: var(--gray);
  margin-bottom: 40px;
  line-height: 1.9;
}

/* 装飾用の円 */
.hero-deco {
  position: absolute;
  border-radius: 50%;
  z-index: 1;
}

.hero-deco--1 {
  width: 480px;
  height: 480px;
  background-color: var(--red);
  opacity: 0.07;
  top: -120px;
  right: -100px;
}

.hero-deco--2 {
  width: 240px;
  height: 240px;
  background-color: var(--green);
  opacity: 0.1;
  bottom: 80px;
  right: 12%;
}

.hero-deco--3 {
  width: 140px;
  height: 140px;
  background-color: var(--red);
  opacity: 0.09;
  bottom: 160px;
  left: 4%;
}

/* ==================== コンセプト ==================== */
.concept {
  background-color: var(--white);
}

.concept-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.concept-card {
  background-color: var(--yellow-light);
  border-radius: var(--radius);
  padding: 44px 32px;
  text-align: center;
  border-top: 4px solid var(--yellow);
  transition: transform var(--trans), box-shadow var(--trans);
}

.concept-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
}

/* 番号バッジ */
.concept-num {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 900;
  margin: 0 auto 20px;
  color: var(--white);
  letter-spacing: 0.05em;
}

.concept-num--red    { background-color: var(--red); }
.concept-num--green  { background-color: var(--green); }
.concept-num--yellow { background-color: var(--yellow-dark); }

.concept-card__title {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 14px;
}

.concept-card__text {
  font-size: 14px;
  color: var(--gray);
  line-height: 1.9;
}

/* ==================== メニュー ==================== */
.menu {
  background-color: var(--yellow-light);
}

.menu-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.menu-category {
  background-color: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.menu-category__title {
  background-color: var(--yellow);
  color: var(--dark);
  font-size: 18px;
  font-weight: 700;
  padding: 18px 24px;
  text-align: center;
}

.menu-list {
  padding: 8px 0;
}

.menu-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 13px 24px;
  border-bottom: 1px solid #F0F0F0;
  transition: background-color var(--trans);
}

.menu-item:last-child {
  border-bottom: none;
}

.menu-item:hover {
  background-color: var(--yellow-light);
}

.menu-item__name {
  font-size: 14px;
}

.menu-item__price {
  font-size: 15px;
  font-weight: 700;
  color: var(--red);
  white-space: nowrap;
  margin-left: 12px;
}

/* ==================== スタイリスト ==================== */
.staff {
  background-color: var(--white);
}

.staff-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.staff-card {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform var(--trans), box-shadow var(--trans);
}

.staff-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
}

.staff-card__img-wrap {
  overflow: hidden;
  aspect-ratio: 1;
}

.staff-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--trans);
}

.staff-card:hover .staff-card__img {
  transform: scale(1.05);
}

.staff-card__body {
  padding: 24px;
}

.staff-card__role {
  font-size: 12px;
  font-weight: 700;
  color: var(--green);
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.staff-card__name {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 6px;
}

.staff-card__specialty {
  font-size: 13px;
  color: var(--red);
  font-weight: 500;
  margin-bottom: 12px;
}

.staff-card__msg {
  font-size: 13px;
  color: var(--gray);
  line-height: 1.9;
}

/* ==================== アクセス ==================== */
.access {
  background-color: var(--yellow-light);
}

.access-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

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

.access-table th,
.access-table td {
  padding: 14px 16px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.07);
  vertical-align: top;
  font-size: 15px;
}

.access-table th {
  width: 96px;
  font-weight: 700;
  color: var(--gray);
  white-space: nowrap;
}

.access-table small {
  font-size: 12px;
  color: var(--gray);
}

.map-placeholder {
  background-color: #DCDCDC;
  border-radius: var(--radius);
  aspect-ratio: 4 / 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: var(--gray);
  font-size: 14px;
  line-height: 1.8;
  text-align: center;
}

/* ==================== お問い合わせ ==================== */
.contact {
  background-color: var(--white);
}

.contact-form {
  background-color: var(--light-gray);
  border-radius: var(--radius);
  padding: 48px;
}

.form-group {
  margin-bottom: 24px;
}

.form-label {
  display: block;
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 8px;
}

/* 必須・任意バッジ */
.badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
  margin-left: 6px;
  vertical-align: middle;
}

.badge--required {
  background-color: var(--red);
  color: var(--white);
}

.badge--optional {
  background-color: #B0BEC5;
  color: var(--white);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid #E0E0E0;
  border-radius: 8px;
  font-size: 15px;
  font-family: var(--font);
  color: var(--dark);
  background-color: var(--white);
  transition: border-color var(--trans), box-shadow var(--trans);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}

/* セレクトボックスの矢印 */
.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23666' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 44px;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--yellow-dark);
  box-shadow: 0 0 0 3px rgba(249, 168, 37, 0.2);
}

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

.form-group--check {
  margin-bottom: 32px;
}

.check-label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  cursor: pointer;
}

.check-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--red);
  cursor: pointer;
  flex-shrink: 0;
}

.form-submit {
  text-align: center;
}

/* ==================== フッター ==================== */
.footer {
  background-color: #ff0000;
  color: var(--white);
  padding: 64px 0 0;
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr;
  gap: 48px;
  padding-bottom: 48px;
}

.footer-logo {
  font-size: 30px;
  font-weight: 900;
  color: var(--white);
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.footer-tagline {
  font-size: 13px;
  color: var(--white);
  margin-bottom: 24px;
}

.footer-sns {
  display: flex;
  gap: 12px;
}

.sns-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: #3C3C3C;
  border-radius: 50%;
  color: var(--white);
  transition: background-color var(--trans), color var(--trans);
}

.sns-link:hover {
  background-color: var(--red);
  color: var(--white);
}

.footer-nav-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-nav-list a {
  font-size: 14px;
  color: var(--white);
  transition: color var(--trans);
}

.footer-nav-list a:hover {
  color: var(--yellow);
}

.footer-info p {
  font-size: 13px;
  color: var(--white);
  line-height: 2.2;
}

.footer-bottom {
  border-top: 1px solid #3C3C3C;
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-policy-link {
  font-size: 13px;
  color: var(--white);
}

.footer-policy-link:hover {
  color: var(--yellow);
}

.copyright {
  font-size: 13px;
  color: #555555;
}

/* ==================== プライバシーポリシー モーダル ==================== */
.modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.modal[hidden] {
  display: none;
}

.modal-overlay {
  position: absolute;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.5);
}

.modal-content {
  position: relative;
  background-color: var(--white);
  border-radius: var(--radius);
  max-width: 640px;
  width: 100%;
  max-height: 80vh;
  overflow-y: auto;
  padding: 48px;
  z-index: 1;
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  background-color: #F0F0F0;
  border: none;
  border-radius: 50%;
  font-size: 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--dark);
  transition: background-color var(--trans);
  line-height: 1;
}

.modal-close:hover {
  background-color: #E0E0E0;
}

.modal-title {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 3px solid var(--yellow);
}

.modal-body h3 {
  font-size: 16px;
  font-weight: 700;
  margin: 20px 0 8px;
}

.modal-body p {
  font-size: 14px;
  color: var(--gray);
  line-height: 1.9;
  margin-bottom: 8px;
}

.modal-body ul {
  list-style: disc;
  padding-left: 24px;
  margin-bottom: 8px;
}

.modal-body ul li {
  font-size: 14px;
  color: var(--gray);
  line-height: 1.9;
}

/* ==================== レスポンシブ ==================== */
@media (max-width: 900px) {
  .concept-cards,
  .menu-grid,
  .staff-cards {
    grid-template-columns: 1fr;
  }

  .access-inner {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 64px 0;
  }

  /* モバイルナビ */
  .hamburger {
    display: flex;
  }

  .nav {
    position: fixed;
    top: 68px;
    left: 0;
    right: 0;
    background-color: var(--white);
    border-top: 1px solid #F0F0F0;
    padding: 16px 24px 24px;
    transform: translateY(-110%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--trans), opacity var(--trans);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    z-index: 99;
  }

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

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
  }

  .nav-link {
    padding: 12px 16px;
    border-radius: 8px;
  }

  .nav-link--cta {
    margin-left: 0;
    margin-top: 8px;
    text-align: center;
    padding: 14px 16px;
  }

  /* ヒーロー */
  .hero {
    min-height: auto;
    padding: 120px 24px 80px;
  }

  /* フォーム */
  .contact-form {
    padding: 32px 20px;
  }

  /* スタッフカード */
  .staff-cards {
    max-width: 440px;
    margin: 0 auto;
  }

  /* フッター */
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  /* モーダル */
  .modal-content {
    padding: 32px 24px;
    max-height: 85vh;
  }
}

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

  .hero-title {
    font-size: 36px;
  }
}