/* CSS変数定義 */
:root {
  --color-base:      #F5F2E8;
  --color-main:      #8B4513;
  --color-accent:    #E67E22;
  --color-text:      #2C2C2C;
  --color-light:     #FFFFFF;
  --color-secondary: #D4A574;
  --color-gold:      #F39C12;
  --font-heading:    'Crimson Text', serif;
  --font-body:       'Noto Sans JP', sans-serif;
  --radius:          12px;
  --section-padding: 80px;
  --transition:      0.3s ease;
}

/* リセット */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-light);
}

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

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

button {
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
}

/* コンテナ */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* セクション共通 */
.section {
  padding: var(--section-padding) 0;
}

.section__header {
  text-align: center;
  margin-bottom: 60px;
}

.section__title {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-main);
  margin-bottom: 16px;
}

.section__subtitle {
  font-size: 1.1rem;
  color: #666;
  max-width: 600px;
  margin: 0 auto;
}

/* ボタン */
.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: var(--radius);
  font-weight: 500;
  text-align: center;
  transition: var(--transition);
  cursor: pointer;
  font-size: 1rem;
  border: 2px solid transparent;
}

.btn--primary {
  background-color: var(--color-accent);
  color: var(--color-light);
}

.btn--primary:hover {
  background-color: #C0631A;
  transform: translateY(-2px);
}

.btn--secondary {
  background-color: transparent;
  color: var(--color-main);
  border-color: var(--color-main);
}

.btn--secondary:hover {
  background-color: var(--color-main);
  color: var(--color-light);
}

.btn--full {
  width: 100%;
}

/* プレースホルダー */
.hero__placeholder,
.menu__placeholder,
.gallery__placeholder,
.staff__placeholder,
.delivery__placeholder,
.instagram__placeholder {
  background: linear-gradient(135deg, var(--color-base), var(--color-secondary));
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-main);
  font-weight: 500;
  text-align: center;
  padding: 20px;
  min-height: 200px;
}

.map-placeholder {
  background: linear-gradient(135deg, var(--color-base), var(--color-secondary));
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-main);
  font-weight: 500;
  height: 400px;
}

/* 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);
  border-bottom: 1px solid rgba(139, 69, 19, 0.1);
  transition: var(--transition);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 20px;
  padding-right: 20px;
}

.nav__logo {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-main);
}

.nav__menu {
  display: none;
  list-style: none;
  align-items: center;
  gap: 32px;
}

.nav__link {
  color: var(--color-text);
  font-weight: 500;
  transition: var(--transition);
}

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

.nav__cta {
  background-color: var(--color-accent);
  color: var(--color-light);
  padding: 10px 20px;
  border-radius: var(--radius);
  font-weight: 500;
  transition: var(--transition);
}

.nav__cta:hover {
  background-color: #C0631A;
  transform: translateY(-2px);
}

.nav__toggle {
  display: flex;
  flex-direction: column;
  gap: 4px;
  width: 24px;
  height: 18px;
}

.nav__toggle span {
  width: 100%;
  height: 2px;
  background-color: var(--color-main);
  transition: var(--transition);
}

/* ヒーロー */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 100px;
  background: linear-gradient(135deg, var(--color-base) 0%, rgba(245, 242, 232, 0.8) 100%);
}

.hero__content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 60px;
  align-items: center;
}

.hero__title {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-main);
  margin-bottom: 24px;
}

.hero__subtitle {
  font-size: 1.2rem;
  color: #666;
  margin-bottom: 32px;
  line-height: 1.8;
}

.hero__cta {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.hero__image {
  order: -1;
}

.hero__placeholder {
  min-height: 400px;
  font-size: 1.2rem;
}

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

.concept__grid {
  display: grid;
  gap: 40px;
  grid-template-columns: 1fr;
}

.concept__item {
  text-align: center;
  padding: 40px 20px;
  background: linear-gradient(135deg, rgba(245, 242, 232, 0.5), rgba(212, 165, 116, 0.2));
  border-radius: var(--radius);
  transition: var(--transition);
}

.concept__item:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(139, 69, 19, 0.1);
}

.concept__icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 24px;
}

.concept__icon svg {
  width: 100%;
  height: 100%;
}

.concept__title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-main);
  margin-bottom: 16px;
}

.concept__text {
  color: #666;
  line-height: 1.8;
}

/* ウェーブ区切り */
.wave-divider {
  position: relative;
  background-color: var(--color-light);
}

.wave-divider svg {
  width: 100%;
  height: 60px;
  display: block;
}

.wave-divider--reverse {
  background-color: var(--color-base);
}

.wave-divider--reverse svg {
  transform: rotate(180deg);
}

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

.menu__categories {
  display: flex;
  flex-direction: column;
  gap: 60px;
}

.menu__category-title {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 600;
  color: var(--color-main);
  text-align: center;
  margin-bottom: 40px;
  position: relative;
}

.menu__category-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background-color: var(--color-accent);
  border-radius: 2px;
}

.menu__items {
  display: grid;
  gap: 30px;
}

.menu__item {
  background-color: var(--color-light);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
}

.menu__item:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(139, 69, 19, 0.15);
}

.menu__item--featured {
  grid-column: 1 / -1;
}

.menu__item-image {
  height: 200px;
}

.menu__item-content {
  padding: 24px;
}

.menu__item-title {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--color-main);
  margin-bottom: 8px;
}

.menu__item-desc {
  color: #666;
  margin-bottom: 16px;
  line-height: 1.6;
}

.menu__item-price {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-accent);
}

.menu__items--dessert .menu__item {
  display: flex;
  align-items: center;
  padding: 20px 24px;
}

.menu__items--dessert .menu__item-content {
  padding: 0;
}

/* ギャラリー */
.gallery {
  background-color: var(--color-light);
}

.gallery__grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(2, 1fr);
}

.gallery__item--large {
  grid-column: 1 / -1;
  grid-row: span 2;
}

.gallery__item--large .gallery__placeholder {
  min-height: 400px;
}

/* スタッフ */
.staff {
  background: linear-gradient(135deg, var(--color-base), rgba(245, 242, 232, 0.7));
}

.staff__grid {
  display: grid;
  gap: 60px;
}

.staff__member {
  display: grid;
  gap: 30px;
  align-items: start;
}

.staff__photo {
  width: 200px;
  margin: 0 auto;
}

.staff__placeholder {
  width: 200px;
  height: 200px;
  border-radius: 50%;
}

.staff__name {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-main);
  margin-bottom: 8px;
  text-align: center;
}

.staff__role {
  font-weight: 500;
  color: var(--color-accent);
  margin-bottom: 16px;
  text-align: center;
}

.staff__message {
  color: #666;
  line-height: 1.8;
  text-align: center;
}

/* レビュー */
.reviews {
  background-color: var(--color-light);
}

.reviews__grid {
  display: grid;
  gap: 30px;
}

.review {
  background: linear-gradient(135deg, rgba(245, 242, 232, 0.5), rgba(255, 255, 255, 0.9));
  padding: 32px;
  border-radius: var(--radius);
  text-align: center;
  transition: var(--transition);
}

.review:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(139, 69, 19, 0.1);
}

.review__stars {
  color: var(--color-gold);
  font-size: 1.2rem;
  margin-bottom: 16px;
}

.review__text {
  font-size: 1.1rem;
  line-height: 1.7;
  margin-bottom: 20px;
  color: #333;
}

.review__author {
  display: flex;
  justify-content: center;
  gap: 16px;
  font-size: 0.9rem;
  color: #666;
}

/* デリバリー */
.delivery {
  background: linear-gradient(135deg, var(--color-base), rgba(245, 242, 232, 0.8));
}

.delivery__content {
  display: grid;
  gap: 60px;
  align-items: center;
}

.delivery__features {
  display: grid;
  gap: 30px;
  margin: 40px 0;
}

.delivery__feature h3 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  color: var(--color-main);
  margin-bottom: 8px;
}

.delivery__feature p {
  color: #666;
  line-height: 1.6;
}

.delivery__placeholder {
  min-height: 300px;
}

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

.access__content {
  display: grid;
  gap: 60px;
}

.access__details h3 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  color: var(--color-main);
  margin-bottom: 24px;
}

.access__list {
  display: grid;
  gap: 20px;
}

.access__list dt {
  font-weight: 700;
  color: var(--color-main);
  margin-bottom: 8px;
}

.access__list dd {
  color: #666;
  line-height: 1.6;
  margin-bottom: 16px;
  padding-left: 0;
}

.access__list a {
  color: var(--color-accent);
}

.access__list a:hover {
  text-decoration: underline;
}

/* 営業時間 */
.hours {
  background: linear-gradient(135deg, var(--color-base), rgba(212, 165, 116, 0.3));
}

.hours__schedule {
  background-color: var(--color-light);
  border-radius: var(--radius);
  padding: 40px;
  margin-bottom: 30px;
}

.hours__day {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
  border-bottom: 1px solid rgba(139, 69, 19, 0.1);
}

.hours__day:last-child {
  border-bottom: none;
}

.hours__label {
  font-weight: 700;
  color: var(--color-main);
  font-size: 1.1rem;
}

.hours__times {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.hours__time {
  background-color: var(--color-accent);
  color: var(--color-light);
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 0.9rem;
  font-weight: 500;
}

.hours__day--closed .hours__closed {
  color: #999;
  font-style: italic;
}

.hours__note {
  text-align: center;
  color: #666;
  font-size: 0.9rem;
  line-height: 1.6;
}

/* 予約 */
.reservation {
  background-color: var(--color-light);
}

.reservation__content {
  display: grid;
  gap: 60px;
}

.reservation__methods {
  display: grid;
  gap: 40px;
}

.reservation__method {
  text-align: center;
  background: linear-gradient(135deg, rgba(245, 242, 232, 0.5), rgba(255, 255, 255, 0.9));
  padding: 40px;
  border-radius: var(--radius);
}

.reservation__method h3 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  color: var(--color-main);
  margin-bottom: 16px;
}

.reservation__phone,
.reservation__email {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 8px;
}

.reservation__phone a,
.reservation__email a {
  color: var(--color-accent);
}

.reservation__phone a:hover,
.reservation__email a:hover {
  text-decoration: underline;
}

.reservation__hours,
.reservation__note {
  font-size: 0.9rem;
  color: #666;
}

/* フォーム */
.reservation__form {
  background: linear-gradient(135deg, rgba(245, 242, 232, 0.3), rgba(255, 255, 255, 0.9));
  padding: 40px;
  border-radius: var(--radius);
}

.form__group {
  margin-bottom: 24px;
}

.form__label {
  display: block;
  font-weight: 500;
  color: var(--color-main);
  margin-bottom: 8px;
}

.form__required {
  color: var(--color-accent);
  font-size: 0.8rem;
  font-weight: 700;
}

.form__input,
.form__textarea {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid rgba(139, 69, 19, 0.2);
  border-radius: var(--radius);
  font-size: 1rem;
  font-family: inherit;
  transition: var(--transition);
  background-color: var(--color-light);
}

.form__input:focus,
.form__textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}

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

/* ソーシャル */
.social {
  background: linear-gradient(135deg, var(--color-base), rgba(245, 242, 232, 0.8));
}

.social__content {
  display: grid;
  gap: 60px;
}

.social__instagram h3,
.social__news h3 {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  color: var(--color-main);
  text-align: center;
  margin-bottom: 32px;
}

.instagram__feed {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 32px;
}

.instagram__post {
  aspect-ratio: 1;
}

.instagram__placeholder {
  height: 100%;
  min-height: 150px;
}

.social__follow {
  display: block;
  text-align: center;
  background-color: var(--color-accent);
  color: var(--color-light);
  padding: 14px 32px;
  border-radius: var(--radius);
  font-weight: 500;
  transition: var(--transition);
  max-width: 200px;
  margin: 0 auto;
}

.social__follow:hover {
  background-color: #C0631A;
  transform: translateY(-2px);
}

.news__list {
  list-style: none;
  background-color: var(--color-light);
  border-radius: var(--radius);
  padding: 32px;
}

.news__item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid rgba(139, 69, 19, 0.1);
}

.news__item:last-child {
  border-bottom: none;
}

.news__date {
  color: var(--color-accent);
  font-weight: 500;
  font-size: 0.9rem;
  white-space: nowrap;
}

.news__text {
  color: #666;
  line-height: 1.6;
}

/* フッター */
.footer {
  background-color: var(--color-main);
  color: var(--color-light);
  padding: 60px 0 20px;
}

.footer__content {
  display: grid;
  gap: 40px;
  margin-bottom: 40px;
}

.footer__logo {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 20px;
}

.footer__details,
.footer__hours {
  margin-bottom: 20px;
}

.footer__details p,
.footer__hours p {
  margin-bottom: 8px;
  opacity: 0.9;
}

.footer__details a {
  color: var(--color-accent);
  transition: var(--transition);
}

.footer__details a:hover {
  opacity: 0.8;
}

.footer__social h4 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  margin-bottom: 16px;
}

.footer__social-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--color-accent);
  transition: var(--transition);
}

.footer__social-link:hover {
  opacity: 0.8;
}

.footer__social-link svg {
  width: 20px;
  height: 20px;
}

.footer__bottom {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  opacity: 0.7;
  font-size: 0.9rem;
}

/* タブレット対応 */
@media (min-width: 768px) {
  .section__title {
    font-size: 3rem;
  }

  .nav__menu {
    display: flex;
  }

  .nav__toggle {
    display: none;
  }

  .hero__content {
    grid-template-columns: 1fr 1fr;
    gap: 80px;
  }

  .hero__image {
    order: 0;
  }

  .hero__title {
    font-size: 3.5rem;
  }

  .concept__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .menu__items {
    grid-template-columns: repeat(2, 1fr);
  }

  .menu__items--dessert {
    grid-template-columns: repeat(2, 1fr);
  }

  .gallery__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .gallery__item--large {
    grid-column: 1 / 3;
  }

  .staff__member {
    grid-template-columns: 200px 1fr;
    gap: 40px;
    text-align: left;
  }

  .staff__name,
  .staff__role,
  .staff__message {
    text-align: left;
  }

  .reviews__grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .delivery__features {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

  .reservation__methods {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .instagram__feed {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer__content {
    grid-template-columns: 2fr 1fr;
  }

  .news__item {
    grid-template-columns: 100px 1fr;
  }
}

/* PC対応 */
@media (min-width: 1280px) {
  .hero__title {
    font-size: 4rem;
  }

  .hero__subtitle {
    font-size: 1.3rem;
  }

  .menu__items {
    grid-template-columns: repeat(3, 1fr);
  }

  .menu__items--dessert {
    grid-template-columns: repeat(3, 1fr);
  }

  .gallery__grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .gallery__item--large {
    grid-column: 1 / 3;
  }

  .reviews__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .instagram__feed {
    grid-template-columns: repeat(4, 1fr);
  }
}