/* お菓子やさんノート説明サイト - アプリのテーマに合わせた配色 */

:root {
  --color-primary: #703B3B;
  --color-primary-dark: #452829;
  --color-primary-light: #fff3d7;
  --color-secondary: #E72929;
  --color-secondary-light: #FFB4B4;
  --color-secondary-dark: #E52020;
  --color-grey: #6b7280;
  --color-text: #1a1a1a;
  --color-text-muted: #374151;
  --max-width: 720px;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --font-sans: system-ui, -apple-system, "Segoe UI", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background-color: #fff;
}

/* Hero */
.hero {
  padding: 4px 8px;;
  text-align: center;
  background-color: var(--color-primary-light);
}

.hero__title {
  margin: 0 0 0.125rem;
  line-height: 0;
}

.hero__logo {
  display: block;
  width: auto;
  height: 62px;
  /* max-width: min(100%, 280px); */
  margin: 0 auto;
  object-fit: contain;
}

.hero__catch {
  margin: 0;
  font-size: 0.875rem;
  color: var(--color-primary);
}

@media (min-width: 640px) {
  .hero {
    padding: 4px 8px;
  }
  .hero__logo {
    height: 80px;
    /* max-width: 320px; */
  }
  /* .hero__catch {
    font-size: 0.9375rem;
  } */
}

/* Hero announce（お知らせ） */
.hero-announce {
  padding: var(--space-sm) var(--space-md) var(--space-md);
}

.hero-announce__box {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-xs) var(--space-sm);
  background-color: var(--color-secondary-light);
  border: 1px solid rgba(112, 59, 59, 0.2);
  border-radius: 6px;
  text-align: center;
}

.hero-announce__text {
  margin: 0 0 0.25rem;
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--color-text-muted);
}

.hero-announce__text--lead {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-primary-dark);
  margin-bottom: 0.125rem;
}

.hero-announce__text:last-of-type {
  margin-bottom: var(--space-sm);
}

.hero-announce__button {
  display: inline-block;
  padding: 0.5rem var(--space-md);
  font-size: 0.875rem;
  font-weight: 500;
  color: #fff;
  background-color: var(--color-secondary);
  border: none;
  border-radius: 6px;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

.hero-announce__button:hover {
  background-color: var(--color-secondary-dark);
}

.hero-announce__button:focus {
  outline: 2px solid var(--color-secondary);
  outline-offset: 2px;
}

/* Sections */
.section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-md) var(--space-md);
}

.section__title {
  margin: 0 0 var(--space-sm);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-primary-dark);
}

.section__lead {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

@media (min-width: 640px) {
  .section {
    padding: var(--space-md) var(--space-lg);
  }
  .section__title {
    font-size: 1.5rem;
  }
  .section__lead {
    font-size: 1rem;
  }
  .closing__line {
    font-size: 1.5rem;
  }
}

/* Feature blocks（タイトル・説明・画像カルーセル） */
.feature-block {
  margin-top: var(--space-md);
}

.feature-block:first-of-type {
  margin-top: var(--space-sm);
}

.feature-block__title {
  margin: 0 0 var(--space-xs);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-primary);
}

.feature-block__desc {
  margin: 0 0 var(--space-sm);
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.65;
}

.feature-carousel-wrapper {
  margin-top: 0;
}

.feature-carousel {
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  -ms-overflow-style: none;
  border-radius: 8px;
  border: 1px solid rgba(112, 59, 59, 0.12);
  background: #fff;
}

.feature-carousel::-webkit-scrollbar {
  display: none;
}

@media (min-width: 640px) {
  .feature-carousel {
    scrollbar-width: thin;
    -ms-overflow-style: auto;
  }
  .feature-carousel::-webkit-scrollbar {
    display: block;
    height: 8px;
  }
  .feature-carousel::-webkit-scrollbar-track {
    background: rgba(112, 59, 59, 0.08);
    border-radius: 4px;
  }
  .feature-carousel::-webkit-scrollbar-thumb {
    background: rgba(112, 59, 59, 0.3);
    border-radius: 4px;
  }
  .feature-carousel::-webkit-scrollbar-thumb:hover {
    background: rgba(112, 59, 59, 0.5);
  }
}

.feature-carousel__dots {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-top: var(--space-sm);
  padding: 0;
  list-style: none;
}

.feature-carousel__dot {
  width: 8px;
  height: 8px;
  padding: 0;
  border: none;
  border-radius: 50%;
  background: rgba(112, 59, 59, 0.3);
  cursor: pointer;
  font-size: 0;
  transition: background 0.2s ease;
}

.feature-carousel__dot:hover {
  background: rgba(112, 59, 59, 0.5);
}

.feature-carousel__dot.is-active {
  background: var(--color-primary);
}

.feature-carousel__track {
  display: flex;
  gap: var(--space-sm);
  padding: var(--space-sm);
  min-height: 120px;
}

.feature-carousel__slide {
  flex: 0 0 auto;
  width: 360px;
  min-width: 320px;
  height: 320px;
  border-radius: 6px;
  overflow: hidden;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
}

.feature-carousel__slide img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  vertical-align: top;
}

.feature-carousel__slide--placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8125rem;
  color: var(--color-grey);
}

@media (min-width: 640px) {
  .feature-block__title {
    font-size: 1.25rem;
  }
  .feature-block__desc {
    font-size: 0.9375rem;
  }
  .feature-carousel__slide {
    width: 640px;
    min-width: 400px;
    height: 560px;
  }
}

/* CTA */
.section--cta {
  text-align: center;
}

.cta-button {
  display: inline-block;
  margin-top: var(--space-md);
  padding: var(--space-sm) var(--space-lg);
  font-size: 1rem;
  font-weight: 500;
  color: #fff;
  background-color: var(--color-secondary);
  border: none;
  border-radius: 8px;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

.cta-button:hover {
  background-color: var(--color-secondary-dark);
}

.cta-button:focus {
  outline: 2px solid var(--color-secondary);
  outline-offset: 2px;
}

/* Closing */
.closing {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-md) var(--space-md);
  text-align: center;
}

.closing__line {
  margin: 0 0 var(--space-xs);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-primary-dark);
}

.closing__line:last-child {
  margin-bottom: 0;
}

.closing__img {
  display: block;
  width: 100%;
  max-width: 400px;
  height: auto;
  margin: var(--space-md) auto 0;
}

/* Back to top */
.back-to-top {
  padding: var(--space-sm) var(--space-md);
  text-align: center;
  background-color: #fff;
  border-top: 1px solid rgba(112, 59, 59, 0.12);
}

.back-to-top__link {
  font-size: 0.875rem;
  color: var(--color-primary);
  text-decoration: none;
}

.back-to-top__link:hover {
  text-decoration: underline;
}

.back-to-top__link:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Footer */
.footer {
  padding: var(--space-lg) var(--space-md);
  text-align: center;
  background-color: var(--color-primary-dark);
  color: var(--color-primary-light);
}

.footer__brand {
  margin: 0 0 var(--space-xs);
  font-size: 0.875rem;
  font-weight: 500;
}

.footer__copy {
  margin: 0;
  font-size: 0.75rem;
  opacity: 0.9;
}

.footer__link {
  color: inherit;
  text-decoration: underline;
}

.footer__link:hover {
  opacity: 0.9;
}