:root {
  --natura-bg: #f7f2eb;
  --natura-bg-light: #fcfaf7;
  --natura-main: #dccab7;
  --natura-accent: #8a6a52;
  --natura-brown: #5f4638;
  --natura-text: #3e2f26;
  --natura-line: #eadfd3;
  --natura-white: #ffffff;
}

body {
  color: var(--natura-text);
  background: var(--natura-bg-light);
  line-height: 1.8;
}

body {
  font-family:Verdana, Geneva, Tahoma, sans-serif
}

a {
  color: #333;
  text-decoration: none;
}

.natura-hero__bg-text {
  font-family:Arial, Helvetica, sans-serif
}

.container {
  width: min(1100px, calc(100% - 32px));
  margin: 0 auto;
}

.section {
  padding: 80px 0;
}

.section-heading {
  margin-bottom: 40px;
}

.section-heading.center {
  text-align: center;
}

.section-heading__sub {
  display: inline-block;
  margin-bottom: 10px;
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--natura-accent);
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.4;
  color: var(--natura-brown);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 180px;
  padding: 14px 24px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  transition: 0.25s ease;
}

.btn:hover {
  transform: translateY(-2px);
  opacity: 0.92;
}

.btn-primary {
  background: var(--natura-brown);
  color: #fff;
}

.btn-secondary {
  background: transparent;
  color: var(--natura-brown);
  border: 1px solid var(--natura-brown);
}

.btn-large {
  min-width: 220px;
  padding: 16px 28px;
}

.natura-hero {
  position: relative;
  padding: 80px 0 60px;
  overflow: hidden;
  background: linear-gradient(180deg, #f9f4ee 0%, #fdfaf7 100%);
}

.natura-hero__inner {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
}

.natura-hero__sub {
  margin-bottom: 16px;
  font-size: 14px;
  letter-spacing: 0.08em;
  color: var(--natura-accent);
}

.natura-hero__logo img {
  max-width: 360px;
  width: 100%;
  height: auto;
  display: block;
  margin-bottom: 28px;
}

.natura-hero__title {
  margin: 0 0 18px;
  font-size: clamp(32px, 5vw, 56px);
  line-height: 1.25;
  color: var(--natura-brown);
}

.natura-hero__text {
  margin: 0 0 28px;
  font-size: 16px;
}

.natura-hero__buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 24px;
}

.natura-hero__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.natura-hero__badges li {
  padding: 8px 14px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--natura-line);
  font-size: 13px;
}

.natura-hero__image img {
  width: 100%;
  border-radius: 28px;
  display: block;
  object-fit: cover;
  box-shadow: 0 14px 40px rgba(95, 70, 56, 0.08);
}

.natura-concept {
  background: var(--natura-white);
}

.natura-concept__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: start;
}

.natura-concept__text p {
  margin-top: 0;
  margin-bottom: 18px;
}

.natura-concept__cards {
  display: grid;
  gap: 16px;
}

.concept-card,
.menu-card,
.style-box {
  background: #fff;
  border: 1px solid var(--natura-line);
  border-radius: 24px;
  padding: 24px;
}

.concept-card h3,
.menu-card h3 {
  margin-top: 0;
  margin-bottom: 10px;
  color: var(--natura-brown);
}

.natura-menu {
  background: var(--natura-bg);
}

.natura-menu__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.menu-price {
  margin: 0 0 12px;
  font-size: 28px;
  font-weight: 700;
  color: var(--natura-accent);
}

.section-cta {
  margin-top: 32px;
  text-align: center;
}

.natura-style {
  background: var(--natura-white);
}

.natura-style__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.style-box {
  font-weight: 600;
  color: var(--natura-brown);
  background: #fcf8f3;
}

.natura-reserve {
  background: linear-gradient(180deg, #efe4d8 0%, #f5ede5 100%);
}

.natura-reserve__box {
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: 28px;
  padding: 36px;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 24px;
  align-items: center;
}

.natura-reserve__content h2 {
  margin-top: 0;
  margin-bottom: 12px;
  color: var(--natura-brown);
  font-size: clamp(26px, 4vw, 40px);
}

.natura-reserve__buttons {
  display: grid;
  gap: 14px;
}

.natura-access {
  background: var(--natura-white);
}

.natura-access__grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 24px;
}

.natura-access__info,
.natura-access__map {
  background: #fff;
  border: 1px solid var(--natura-line);
  border-radius: 24px;
  padding: 24px;
}

.natura-access__info dl {
  margin: 0;
}

.natura-access__info dt {
  font-weight: 700;
  margin-top: 18px;
  color: var(--natura-brown);
}

.natura-access__info dt:first-child {
  margin-top: 0;
}

.natura-access__info dd {
  margin: 6px 0 0;
}

.natura-access__map {
  min-height: 340px;
  overflow: hidden;
}

.natura-access__map iframe {
  width: 100%;
  height: 100%;
  border-radius: 18px;
}

@media (max-width: 900px) {
  .natura-hero__inner,
  .natura-concept__grid,
  .natura-reserve__box,
  .natura-access__grid {
    grid-template-columns: 1fr;
  }

  .natura-menu__grid {
    grid-template-columns: 1fr;
  }

  .natura-style__grid {
    grid-template-columns: 1fr;
  }

  .natura-hero {
    padding-top: 56px;
  }

  .section {
    padding: 64px 0;
  }
}

@media (max-width: 600px) {
  .btn,
  .btn-large {
    width: 80%;
  }

  .natura-hero__buttons {
    flex-direction: column;
  }

  .natura-reserve__box {
    padding: 24px;
  }

  .concept-card,
  .menu-card,
  .style-box,
  .natura-access__info,
  .natura-access__map {
    border-radius: 18px;
    padding: 20px;
  }
}

.floating-reserve {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 999;
  display: none;
  grid-template-columns: 1fr 1fr;
}

.floating-reserve a {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 58px;
  text-decoration: none;
  font-weight: 700;
}

.floating-reserve__web {
  background: var(--natura-brown);
  color: #fff;
}

.floating-reserve__tel {
  background: #efe3d5;
  color: var(--natura-brown);
}

@media (max-width: 768px) {
  .floating-reserve {
    display: grid;
  }

  body {
    padding-bottom: 58px;
  }
}

/* header */
/* ===== ヘッダー ===== */
.natura-header {
  position: sticky;
  top: 0;
  z-index: 999;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--natura-line);
}

.natura-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.natura-header__logo img {
  height: 66px;
}

.natura-header__nav ul {
  display: flex;
  gap: 24px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.natura-header__nav a {
  text-decoration: none;
  color: var(--natura-brown);
  font-size: 14px;
}


.floating-reserve {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  display: none;
  grid-template-columns: 1fr 1fr;
  z-index: 999;
}

.floating-reserve a {
  text-align: center;
  padding: 16px;
  font-weight: bold;
  text-decoration: none;
}

.floating-web {
  background: #5f4638;
  color: #fff;
}

.floating-tel {
  background: #e8d8c8;
  color: #5f4638;
}

@media (max-width:768px){
  .floating-reserve{
    display:grid;
  }

  body{
    padding-bottom:60px;
  }
}

/* 予約ボタン強化 */
.btn-primary {
  background: linear-gradient(135deg, #5f4638, #7a5b49);
  color: #fff;
  font-size: 16px;
  box-shadow: 0 8px 20px rgba(95, 70, 56, 0.2);
}

.btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
}

.natura-reserve__box {
  background: #fff;
  border-radius: 30px;
  padding: 40px;
  text-align: center;
  box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

.natura-reserve__buttons {
  margin-top: 20px;
}

.floating-reserve {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  display: none;
  grid-template-columns: 1fr 1fr;
  z-index: 999;
  box-shadow: 0 -4px 20px rgba(0,0,0,0.1);
}

.floating-web {
  background: #5f4638;
  color: #fff;
  font-size: 16px;
}

.floating-tel {
  background: #e8d8c8;
  color: #5f4638;
  font-size: 16px;
}

/* インスタ */
.insta-grid a {
  position: relative;
  overflow: hidden;
}

.insta-grid a::after {
  content: 'Instagram';
  position: absolute;
  bottom: 8px;
  right: 8px;
  font-size: 10px;
  background: rgba(0,0,0,0.5);
  color: #fff;
  padding: 4px 6px;
  border-radius: 6px;
  opacity: 0;
  transition: 0.3s;
}

.insta-grid a:hover::after {
  opacity: 1;
}

.natura-footer,
.natura-footer * {
  box-sizing: border-box;
}

.natura-footer__cta {
  width: 100%;
  min-width: 0;
}

.natura-footer__cta .btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  padding: 16px 20px;
  margin: 0 0 12px;
}

.btn-secondary {
  background: #fff;
  color: #6b4b3e; /* ブラウン */
  border: 1.5px solid #6b4b3e;
}