/* ============================================================
   熱田農園 HP — base stylesheet
   詳細方針は docs/design.md / docs/sitemap.md を参照
   ============================================================ */

:root {
  --color-main: #3A5A2A;
  --color-sub: #6B8E3A;
  --color-accent: #C4A44A;
  --color-accent-light: #D4B85A;
  --color-bg-base: #F5F0E0;
  --color-bg: #FFFFFF;
  --color-text: #2A2A2A;
  --color-text-sub: #6B6B5A;
  --color-line: #E0DCC8;

  --font-sans: 'Noto Sans JP', system-ui, -apple-system, 'Hiragino Sans', 'Yu Gothic', sans-serif;
  --font-serif: 'Noto Serif JP', 'Hiragino Mincho ProN', 'Yu Mincho', serif;

  --content-max: 1100px;
  --space-section: clamp(48px, 8vw, 96px);
  --space-inline: clamp(16px, 4vw, 32px);

  --header-height: 64px;
}

/* ---------- reset (minimal) ---------- */

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 16px);
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 18px;
  line-height: 1.8;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--color-sub);
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

a:hover,
a:focus-visible {
  color: var(--color-main);
}

ul,
ol,
dl {
  margin: 0;
  padding: 0;
  list-style: none;
}

button {
  font: inherit;
  cursor: pointer;
  background: transparent;
  border: 0;
  color: inherit;
}

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 700;
  line-height: 1.4;
  margin: 0;
  color: var(--color-main);
}

p {
  margin: 0 0 1em;
}

/* ---------- accessibility ---------- */

:focus-visible {
  outline: 2px solid var(--color-sub);
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  top: -200px;
  left: 16px;
  background: var(--color-main);
  color: #fff;
  padding: 8px 16px;
  z-index: 1000;
  text-decoration: none;
  border-radius: 4px;
}

.skip-link:focus {
  top: 16px;
  color: #fff;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}

/* ---------- layout utilities ---------- */

.container {
  max-width: var(--content-max);
  margin: 0 auto;
  padding-left: var(--space-inline);
  padding-right: var(--space-inline);
}

.section {
  padding-top: var(--space-section);
  padding-bottom: var(--space-section);
}

.section--alt {
  background: var(--color-bg-base);
}

.section__title {
  font-size: clamp(24px, 4vw, 36px);
  margin-bottom: 0.6em;
  position: relative;
  padding-left: 0.8em;
}

.section__title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 12px;
  height: 12px;
  background: var(--color-accent);
  transform: rotate(45deg);
}

.section__subtitle {
  font-size: 22px;
  margin: 2.2em 0 1em;
  color: var(--color-main);
  border-left: 4px solid var(--color-sub);
  padding-left: 0.6em;
}

.section__lead {
  font-size: 18px;
  margin-bottom: 1.6em;
  color: var(--color-text);
}

.section__note {
  font-size: 14px;
  color: var(--color-text-sub);
  margin-top: 1.6em;
}

/* ---------- buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.6em 1.4em;
  font-size: 16px;
  font-weight: 700;
  text-decoration: none;
  border-radius: 2px;
  transition: background-color 0.2s, color 0.2s, border-color 0.2s;
}

.btn--primary {
  background: var(--color-accent);
  color: #fff;
  border: 2px solid var(--color-accent);
}

.btn--primary:hover,
.btn--primary:focus-visible {
  background: var(--color-accent-light);
  border-color: var(--color-accent-light);
  color: #fff;
}

.btn--secondary {
  background: transparent;
  color: var(--color-main);
  border: 2px solid var(--color-main);
}

.btn--secondary:hover,
.btn--secondary:focus-visible {
  background: var(--color-main);
  color: #fff;
}

.btn--large {
  font-size: 18px;
  padding: 0.8em 1.8em;
  min-height: 52px;
}

/* ---------- links ---------- */

.link {
  color: var(--color-sub);
}

.link--strong {
  font-weight: 700;
  color: var(--color-main);
}

/* ---------- placeholders (写真未受領時) ---------- */

.placeholder {
  background:
    linear-gradient(135deg, var(--color-bg-base) 25%, transparent 25%) 0 0 / 16px 16px,
    linear-gradient(135deg, transparent 75%, var(--color-bg-base) 75%) 8px 8px / 16px 16px,
    #FAF7E8;
  border: 1px dashed var(--color-line);
  color: var(--color-text-sub);
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 24px;
  min-height: 200px;
}

.placeholder--hero {
  min-height: 280px;
  border-radius: 4px;
}

.placeholder--feed {
  min-height: 320px;
}

.placeholder--cats {
  min-height: 240px;
  border-radius: 4px;
}

/* ---------- header ---------- */

.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-line);
}

.header__inner {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: var(--header-height);
}

.header__logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  margin-right: auto;
}

.header__logo img {
  height: 48px;
  width: auto;
}

.header__nav {
  display: none;
}

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

.header__nav-link {
  text-decoration: none;
  color: var(--color-text);
  font-weight: 500;
  padding: 8px 4px;
}

.header__nav-link:hover,
.header__nav-link:focus-visible {
  color: var(--color-main);
}

.header__cta {
  display: none;
}

.header__toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  border: 1px solid var(--color-line);
  border-radius: 4px;
}

.header__toggle-bar {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-main);
  transition: transform 0.2s, opacity 0.2s;
}

.header.is-nav-open .header__nav {
  display: block;
  position: absolute;
  top: var(--header-height);
  left: 0;
  right: 0;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-line);
  padding: 16px var(--space-inline);
}

.header.is-nav-open .header__nav-list {
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
}

.header.is-nav-open .header__toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.header.is-nav-open .header__toggle-bar:nth-child(2) {
  opacity: 0;
}
.header.is-nav-open .header__toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (min-width: 768px) {
  .header__toggle {
    display: none;
  }
  .header__nav {
    display: block;
  }
  .header__cta {
    display: inline-flex;
  }
}

/* ---------- hero ---------- */

.hero {
  background:
    linear-gradient(180deg, rgba(245, 240, 224, 0.6), rgba(255, 255, 255, 1)),
    var(--color-bg-base);
  padding-top: clamp(48px, 8vw, 96px);
  padding-bottom: clamp(48px, 8vw, 96px);
}

.hero__inner {
  display: grid;
  gap: 24px;
  text-align: center;
}

.hero__copy {
  font-family: var(--font-serif);
  font-size: 18px;
  letter-spacing: 0.1em;
  color: var(--color-sub);
  margin: 0;
}

.hero__title {
  font-size: clamp(36px, 8vw, 64px);
  letter-spacing: 0.1em;
  margin: 0;
}

.hero__lead {
  font-size: 18px;
  margin: 0 auto;
  max-width: 36em;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
}

.hero__media {
  margin: 16px 0 0;
}

/* ---------- status (Instagram) ---------- */

.status__embed {
  margin-bottom: 1.4em;
}

/* ---------- news (お知らせ) ---------- */

.news__list {
  margin: 0 0 2em;
  border-top: 1px solid var(--color-line);
}

.news__item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--color-line);
  font-size: 16px;
  line-height: 1.7;
}

.news__date {
  font-family: var(--font-serif);
  font-weight: 700;
  color: var(--color-sub);
  font-size: 15px;
  letter-spacing: 0.05em;
}

.news__title {
  color: var(--color-text);
}

a.news__title {
  color: var(--color-main);
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

a.news__title:hover,
a.news__title:focus-visible {
  color: var(--color-accent);
}

@media (min-width: 768px) {
  .news__item {
    grid-template-columns: 140px 1fr;
    gap: 24px;
    align-items: baseline;
  }
}

/* ---------- cards (varieties etc.) ---------- */

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

.card {
  background: var(--color-bg);
  border: 1px solid var(--color-line);
  border-radius: 4px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.card__media {
  margin: 0;
}

.card__media .placeholder {
  min-height: 180px;
  border: 0;
  border-bottom: 1px solid var(--color-line);
}

.card__body {
  padding: 20px 20px 24px;
  flex-grow: 1;
}

.card__title {
  font-size: 22px;
  margin: 0 0 4px;
  color: var(--color-main);
}

.card__sub {
  font-size: 14px;
  color: var(--color-text-sub);
  margin-left: 4px;
  font-weight: 400;
}

.card__period {
  font-size: 14px;
  color: var(--color-sub);
  margin: 0 0 12px;
  font-weight: 700;
}

.card__copy {
  font-size: 16px;
  margin: 0;
  line-height: 1.7;
}

.card--plain {
  padding: 24px;
}

.card--plain .card__title {
  font-size: 20px;
  margin-bottom: 12px;
}

@media (min-width: 768px) {
  .cards {
    grid-template-columns: repeat(2, 1fr);
  }
  .cards--two {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .cards {
    grid-template-columns: repeat(3, 1fr);
  }
  .cards--two {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ---------- story (timeline) ---------- */

.timeline {
  margin: 2em 0 0;
  border-left: 2px solid var(--color-sub);
  padding-left: 24px;
}

.timeline__item {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--color-line);
}

.timeline__year {
  font-family: var(--font-serif);
  font-weight: 700;
  color: var(--color-main);
}

.timeline__event {
  color: var(--color-text);
}

@media (min-width: 768px) {
  .timeline__item {
    grid-template-columns: 120px 1fr;
  }
}

/* ---------- circular (cycle) ---------- */

.cycle {
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
  margin: 2em 0;
  counter-reset: cycle;
}

.cycle__step {
  background: var(--color-bg);
  border: 1px solid var(--color-line);
  border-radius: 4px;
  padding: 20px;
  display: grid;
  grid-template-columns: 40px 1fr;
  grid-template-rows: auto auto;
  column-gap: 16px;
  align-items: center;
}

.cycle__num {
  grid-row: 1 / span 2;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-main);
  color: #fff;
  font-family: var(--font-serif);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cycle__label {
  font-weight: 700;
  color: var(--color-main);
}

.cycle__desc {
  font-size: 14px;
  color: var(--color-text-sub);
  grid-column: 2;
}

@media (min-width: 768px) {
  .cycle {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ---------- cats ---------- */

.cats__media {
  margin: 1.6em 0;
}

/* ---------- access ---------- */

.info {
  margin: 0 0 2em;
  border-top: 1px solid var(--color-line);
}

.info__row {
  display: grid;
  grid-template-columns: 1fr;
  border-bottom: 1px solid var(--color-line);
  padding: 16px 0;
  gap: 4px;
}

.info__term {
  font-weight: 700;
  color: var(--color-main);
  font-size: 14px;
  letter-spacing: 0.05em;
}

.info__desc {
  margin: 0;
}

@media (min-width: 768px) {
  .info__row {
    grid-template-columns: 160px 1fr;
    gap: 16px;
    align-items: baseline;
  }
}

.access__map {
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid var(--color-line);
}

/* ---------- shop ---------- */

.section--shop {
  background: var(--color-main);
}

.section--shop .section__title,
.section--shop .section__lead,
.section--shop .section__note {
  color: #fff;
}

.section--shop .section__title::before {
  background: var(--color-accent-light);
}

.shop {
  text-align: center;
}

/* ---------- footer ---------- */

.footer {
  background: #2A2E20;
  color: #F5F0E0;
  padding: 48px 0 32px;
}

.footer a {
  color: #F5F0E0;
}

.footer a:hover,
.footer a:focus-visible {
  color: var(--color-accent-light);
}

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

.footer__name {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 22px;
  margin: 0 0 4px;
  color: #fff;
}

.footer__copy {
  margin: 0;
  font-size: 14px;
  color: #C8C5B0;
}

.footer__contact p {
  margin: 0 0 4px;
  font-size: 14px;
}

.footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.footer__legal {
  font-size: 13px;
  color: #C8C5B0;
  margin: 8px 0 0;
}

.footer__copyright {
  font-size: 13px;
  color: #8A8770;
  margin: 16px 0 0;
}

@media (min-width: 768px) {
  .footer__inner {
    grid-template-columns: 1fr 1fr;
    column-gap: 32px;
  }
  .footer__copyright {
    grid-column: 1 / -1;
    text-align: right;
  }
}