/* =========================================================
   トップページ専用スタイル
   （feature/chapter は base.css にあります）
   ========================================================= */

/* --- お知らせ帯（content/index.yaml の news: があるときだけ表示） --- */
.news-band {
  background: var(--paper);
  border-bottom: 1px solid var(--kei-thin);
}
.news-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 18px var(--gutter);
  display: flex;
  gap: 32px;
  align-items: baseline;
}
.news-label {
  flex-shrink: 0;
  font-family: var(--serif-jp);
  font-size: 13px;
  letter-spacing: 0.3em;
  color: var(--koke-deep);
}
.news-label .en-sans {
  margin-left: 10px;
  font-size: 10px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--awa-sumi);
}
.news-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.news-list li {
  font-family: var(--serif-jp);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--sumi);
  line-height: 1.9;
}
.news-list time {
  margin-right: 14px;
  font-family: var(--sans-en);
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--awa-sumi);
}
.news-list a {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-color: var(--kei);
}
.news-list a:hover { text-decoration-color: var(--sumi); }
@media (max-width: 800px) {
  .news-inner { flex-direction: column; gap: 10px; }
}

/* --- Hero: スライドショー（ゆっくりクロスフェード＋Ken Burns） --- */
.hero {
  position: relative;
  height: 100vh;
  min-height: 640px;
  overflow: hidden;
  color: var(--washi);
  background: var(--ink-deep);
}
.hero-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 2.4s cubic-bezier(0.4, 0, 0.2, 1);
  transform: scale(1);
  will-change: transform, opacity;
}
.hero-slide.active {
  opacity: 1;
  animation: kenburns 12s ease-out forwards;
}
@keyframes kenburns {
  0%   { transform: scale(1.02); }
  100% { transform: scale(1.10); }
}
.hero::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(14, 13, 11, 0.35) 0%,
    rgba(14, 13, 11, 0.1) 40%,
    rgba(14, 13, 11, 0.1) 60%,
    rgba(14, 13, 11, 0.55) 100%);
  z-index: 1;
}
.hero-inner {
  position: relative;
  z-index: 2;
  height: 100%;
  display: grid;
  grid-template-rows: auto 1fr auto;
  padding: 120px var(--gutter) 60px;
}
.hero-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}
.hero-caption {
  text-align: right;
  font-size: 11px;
  letter-spacing: 0.3em;
  opacity: 0.85;
  line-height: 1.9;
}
.hero-caption .cap-jp {
  font-family: var(--serif-jp);
  font-size: 14px;
  letter-spacing: 0.4em;
  display: block;
  margin-bottom: 4px;
}
.hero-caption .cap-en {
  font-family: var(--serif-en);
  font-style: italic;
  font-size: 12px;
  opacity: 0.75;
}

.hero-center {
  align-self: center;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 60px;
  align-items: end;
}
.hero-vertical {
  writing-mode: vertical-rl;
  font-family: var(--serif-jp);
  font-weight: 300;
  font-size: 20px;
  letter-spacing: 0.6em;
  line-height: 2.4;
  max-height: 320px;
  opacity: 0.95;
  text-shadow: 0 2px 24px rgba(0,0,0,0.35);
}
.hero-title {
  font-family: var(--serif-en);
  font-style: italic;
  font-weight: 300;
  font-size: clamp(56px, 9vw, 128px);
  line-height: 0.95;
  letter-spacing: 0.005em;
  margin: 0;
  text-shadow: 0 2px 40px rgba(0,0,0,0.4);
}
.hero-sub {
  margin-top: 28px;
  font-family: var(--serif-jp);
  font-weight: 300;
  font-size: 15px;
  letter-spacing: 0.4em;
  opacity: 0.9;
}

.hero-bottom {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  font-size: 11px;
  letter-spacing: 0.3em;
  opacity: 0.85;
}
.hero-dots {
  display: flex;
  gap: 14px;
  align-items: center;
}
.hero-dot {
  width: 34px;
  height: 1px;
  background: rgba(250, 247, 240, 0.35);
  border: 0;
  padding: 0;
  cursor: pointer;
  transition: background 0.4s, height 0.4s;
}
.hero-dot.on {
  background: var(--washi);
  height: 2px;
}
.hero-scroll {
  writing-mode: vertical-rl;
  text-transform: uppercase;
  font-family: var(--sans-en);
  font-size: 10px;
  letter-spacing: 0.4em;
  opacity: 0.7;
}

/* --- Concept --- */
.concept {
  padding: 160px 0 140px;
  background: var(--kinari);
  position: relative;
}
.concept-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 100px;
  align-items: center;
}
.concept-left {
  display: flex;
  flex-direction: column;
  gap: 40px;
}
.concept-heading {
  font-family: var(--serif-en);
  font-style: italic;
  font-weight: 300;
  font-size: clamp(44px, 5.6vw, 72px);
  line-height: 1.02;
  margin: 0;
  color: var(--ink);
}
.concept-heading small {
  display: block;
  font-family: var(--serif-jp);
  font-style: normal;
  font-size: 15px;
  letter-spacing: 0.5em;
  color: var(--sumi);
  margin-top: 22px;
}
.concept-poem {
  font-family: var(--serif-jp);
  font-weight: 300;
  font-size: 16px;
  line-height: 2.6;
  color: var(--sumi);
  letter-spacing: 0.14em;
}
.concept-poem em {
  font-style: normal;
  color: var(--koke-deep);
  font-weight: 400;
}
.concept-right {
  position: relative;
}
.concept-image {
  aspect-ratio: 3/4;
  background-size: cover;
  background-position: center;
}
.concept-caption {
  position: absolute;
  right: -20px;
  top: 30px;
  writing-mode: vertical-rl;
  font-family: var(--serif-jp);
  font-size: 12px;
  letter-spacing: 0.5em;
  color: var(--awa-sumi);
  background: var(--kinari);
  padding: 20px 8px;
}

/* --- Four seasons --- */
.seasons {
  padding: 140px 0 120px;
  background: var(--ink-deep);
  color: var(--kinari);
}
.seasons-header {
  max-width: var(--max);
  margin: 0 auto 80px;
  padding: 0 var(--gutter);
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 40px;
  flex-wrap: wrap;
}
.seasons-header h2 {
  font-family: var(--serif-en);
  font-style: italic;
  font-weight: 300;
  font-size: clamp(44px, 5.4vw, 68px);
  line-height: 1;
  margin: 0;
}
.seasons-header .jp {
  display: block;
  font-family: var(--serif-jp);
  font-size: 15px;
  letter-spacing: 0.4em;
  margin-top: 18px;
  opacity: 0.8;
  font-weight: 400;
}
.seasons-header p {
  max-width: 32em;
  font-size: 14px;
  line-height: 2.2;
  opacity: 0.75;
  margin: 0;
  font-weight: 300;
}
.seasons-grid {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 4px;
}
.season-card {
  position: relative;
  aspect-ratio: 3/4;
  background-size: cover;
  background-position: center;
  overflow: hidden;
}
.season-card::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(to top,
     rgba(14,13,11,0.75) 0%,
     rgba(14,13,11,0.15) 45%,
     rgba(14,13,11,0.1) 100%);
  transition: opacity 0.6s;
}
.season-card img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 1.2s ease;
}
.season-card:hover img { transform: scale(1.05); }
.season-info {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  z-index: 2;
  padding: 30px;
  color: var(--kinari);
}
.season-info .num {
  font-family: var(--serif-en);
  font-style: italic;
  font-size: 13px;
  opacity: 0.7;
  letter-spacing: 0.1em;
}
.season-info h4 {
  margin: 4px 0 0;
  font-family: var(--serif-jp);
  font-weight: 400;
  font-size: 22px;
  letter-spacing: 0.35em;
}
.season-info h4 .en {
  display: block;
  font-family: var(--serif-en);
  font-style: italic;
  font-size: 15px;
  letter-spacing: 0.05em;
  opacity: 0.75;
  margin-top: 6px;
  font-weight: 300;
}
.season-info .poem {
  margin-top: 20px;
  font-size: 12px;
  line-height: 2;
  opacity: 0.8;
  letter-spacing: 0.15em;
  padding-top: 16px;
  border-top: 1px solid rgba(244,239,230,0.25);
  max-width: 200px;
}

/* --- Quote / journal --- */
.journal {
  padding: 160px var(--gutter);
  text-align: center;
  background: var(--kinari);
}
.journal blockquote {
  max-width: 760px;
  margin: 0 auto;
  font-family: var(--serif-en);
  font-style: italic;
  font-weight: 300;
  font-size: clamp(28px, 3.4vw, 44px);
  line-height: 1.5;
  color: var(--ink);
}
.journal .jp {
  display: block;
  font-family: var(--serif-jp);
  font-style: normal;
  font-size: 16px;
  letter-spacing: 0.5em;
  color: var(--sumi);
  margin-top: 32px;
  font-weight: 400;
}
.journal .signature {
  margin-top: 60px;
  display: inline-flex;
  align-items: center;
  gap: 20px;
  font-family: var(--serif-jp);
  font-size: 12px;
  letter-spacing: 0.3em;
  color: var(--awa-sumi);
}

/* --- Info band（宿泊のご案内） --- */
.info-band {
  background: var(--paper);
  padding: 100px 0;
}
.info-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 80px;
}
.info-inner h3 {
  font-family: var(--serif-en);
  font-style: italic;
  font-weight: 400;
  font-size: 40px;
  line-height: 1.1;
  margin: 0;
}
.info-inner h3 .jp {
  display: block;
  font-family: var(--serif-jp);
  font-style: normal;
  font-size: 14px;
  letter-spacing: 0.4em;
  margin-top: 12px;
  color: var(--sumi);
}
.info-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 4px 60px;
}
.info-row {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 20px;
  padding: 18px 0;
  border-bottom: 1px solid var(--kei-thin);
  font-size: 14px;
}
.info-row dt {
  font-family: var(--serif-jp);
  font-weight: 400;
  color: var(--awa-sumi);
  letter-spacing: 0.3em;
  font-size: 12px;
}
.info-row dd {
  margin: 0;
  color: var(--ink);
  line-height: 1.8;
}

/* --- Responsive --- */
@media (max-width: 900px) {
  .concept-inner,
  .info-inner { grid-template-columns: 1fr; gap: 50px; }
  .seasons-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-center { grid-template-columns: 1fr; gap: 20px; }
  .hero-vertical { display: none; }
  .info-list { grid-template-columns: 1fr; }
}