/* ========================================
   TOP Page - kokuu-sotoha.com テイスト準拠
   ======================================== */

/* --- Hero --- */
.hero {
  position: relative; width: 100%; height: 100vh;
  min-height: 560px; overflow: hidden;
}
.hero__slider { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }
.hero__slide {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  opacity: 0; transition: opacity 1.8s ease;
}
.hero__slide.is-active { opacity: 1; }
.hero__slide .hero__image { width: 100%; height: 100%; }
.hero__slide .hero__image img {
  width: 100%; height: 100%; object-fit: cover;
  transform: scale(1.05); animation: heroZoom 9s ease forwards;
}
@keyframes heroZoom { 0%{transform:scale(1.05)} 100%{transform:scale(1)} }

.hero::after {
  content: ''; position: absolute; top: 0; left: 0;
  width: 100%; height: 100%;
  background: linear-gradient(to bottom, rgba(0,0,0,.18) 0%, rgba(0,0,0,.04) 45%, rgba(0,0,0,.42) 100%);
  pointer-events: none; z-index: 1;
}

.hero__content {
  position: absolute; bottom: 16%; left: 0; width: 100%;
  text-align: center; z-index: 2; color: #fff; padding: 0 20px;
}
.hero__catch {
  font-family: var(--font-en); font-size: clamp(9px, 1vw, 12px);
  font-weight: 400; letter-spacing: .35em;
  text-transform: uppercase; margin-bottom: 20px; opacity: .9;
}
.hero__title {
  font-family: var(--font-heading); font-size: var(--fs-hero);
  font-weight: 400; letter-spacing: .14em; line-height: 1.9; margin-bottom: 16px;
}
.hero__sub {
  font-size: clamp(10px, .9vw, 13px);
  letter-spacing: .12em; opacity: .85; font-weight: 400;
}

/* Scroll */
.hero__scroll {
  position: absolute; bottom: 36px; right: 40px;
  z-index: 2; display: flex; flex-direction: column;
  align-items: center; gap: 10px;
}
.hero__scroll-text {
  font-family: var(--font-en); font-size: 14px;
  letter-spacing: .2em; color: rgba(255,255,255,.3);
  writing-mode: vertical-rl; text-transform: uppercase;
}
.hero__scroll-line {
  display: block; width: 1px; height: 50px;
  background-color: rgba(255,255,255,.1);
  position: relative; overflow: hidden;
}
.hero__scroll-line::after {
  content: ''; position: absolute; top: -100%; left: 0;
  width: 100%; height: 100%;
  background-color: rgba(255,255,255,.45);
  animation: scrollLine 2.5s ease infinite;
}
@keyframes scrollLine { 0%{top:-100%} 100%{top:100%} }

/* --- Wave Divider --- */
.wave-divider {
  position: absolute; bottom: 0; left: 0;
  width: 100%; z-index: 3; line-height: 0;
}
.wave-divider svg { display: block; width: 100%; height: 70px; }

.wave-divider--reverse {
  position: relative; background-color: var(--color-bg-cream);
  margin-top: -1px;
}
.wave-divider--reverse svg { height: 50px; }

.wave-divider--light-to-dark {
  position: relative; background-color: var(--color-bg-cream);
  margin-bottom: -1px;
}
.wave-divider--light-to-dark svg { height: 50px; }

/* --- Circle Photo --- */
.circle-photo {
  border-radius: 50%; overflow: hidden; position: relative;
}
.circle-photo img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .8s var(--ease-out);
}
.circle-photo:hover img { transform: scale(1.05); }

.circle-photo--large {
  width: clamp(240px, 26vw, 360px);
  height: clamp(240px, 26vw, 360px);
}
.circle-photo--small {
  width: clamp(140px, 14vw, 200px);
  height: clamp(140px, 14vw, 200px);
}
.circle-photo--offset {
  margin-top: -44px; margin-left: auto; margin-right: -8px;
  border: 5px solid var(--color-bg);
  position: relative; z-index: 2;
}
.circle-photo--gallery {
  width: clamp(170px, 19vw, 260px);
  height: clamp(170px, 19vw, 260px);
}
.circle-photo__caption {
  position: absolute; bottom: -28px; left: 50%;
  transform: translateX(-50%); font-size: 14px;
  letter-spacing: .18em; color: var(--color-text-muted);
  white-space: nowrap;
}

/* --- Concept --- */
.concept-layout {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 72px; align-items: center;
}
.concept-layout__photos {
  display: flex; flex-direction: column; align-items: flex-start;
}
.concept-layout__label {
  font-size: 14px; letter-spacing: .3em;
  color: var(--color-accent); display: block; margin-bottom: 16px;
}
.concept-layout__heading {
  font-size: var(--fs-h3); font-weight: 400;
  margin-bottom: 28px; line-height: 1.9; letter-spacing: .1em;
}
.concept-layout__body p {
  color: var(--color-text-sub); line-height: 2.2;
  margin-bottom: 18px; font-weight: 300;
}
.concept-layout .btn { margin-top: 24px; }

/* --- Service Showcase (2列、写真+オーバーレイ) --- */
.service-showcase { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

.service-showcase__item {
  position: relative; display: block;
  overflow: hidden; aspect-ratio: 4 / 3;
}
.service-showcase__image {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%;
}
.service-showcase__image img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 1s var(--ease-out);
}
.service-showcase__item:hover .service-showcase__image img { transform: scale(1.04); }

.service-showcase__overlay {
  position: absolute; bottom: 0; left: 0; width: 100%;
  padding: 28px 20px;
  background: linear-gradient(to top, rgba(0,0,0,.6) 0%, rgba(0,0,0,0) 100%);
  z-index: 2; color: #fff;
  transition: padding .4s ease;
}
.service-showcase__item:hover .service-showcase__overlay { padding-bottom: 36px; }

.service-showcase__en {
  font-size: 11px; letter-spacing: .22em;
  opacity: .5; display: block; margin-bottom: 3px;
}
.service-showcase__title {
  font-size: clamp(15px, 1.5vw, 19px);
  font-weight: 400; letter-spacing: .06em;
}

.section-more { text-align: center; margin-top: 52px; }

/* --- Salon Circles --- */
.salon-circles__row {
  display: flex; justify-content: center;
  gap: clamp(20px, 4vw, 52px);
  flex-wrap: wrap; padding-bottom: 36px;
}
.salon-parking {
  text-align: center; margin-top: 36px;
  font-size: var(--fs-small); letter-spacing: .18em;
  color: var(--color-text-muted);
  padding: 10px 0;
  border-top: 1px solid var(--color-border-light);
  border-bottom: 1px solid var(--color-border-light);
  max-width: 180px; margin-left: auto; margin-right: auto;
}

/* --- Features --- */
.features-list { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; }
.feature-item {
  text-align: center; padding: 40px 12px;
  border-right: 1px solid rgba(255,255,255,.07);
  transition: background-color .4s ease;
}
.feature-item:last-child { border-right: none; }
.feature-item:hover { background-color: rgba(255,255,255,.03); }
.feature-item__num {
  font-family: var(--font-en); font-size: 28px; font-weight: 300;
  letter-spacing: .04em; display: block;
  margin-bottom: 18px; color: var(--color-accent-light);
}
.feature-item__title {
  font-family: var(--font-heading); font-size: 16px; font-weight: 400;
  margin-bottom: 12px; line-height: 1.7; letter-spacing: .05em;
}
.feature-item__text {
  font-size: var(--fs-small); color: rgba(255,255,255,.35); line-height: 1.9;
}

/* --- News --- */
.news-list { max-width: var(--content-width-narrow); margin: 0 auto; }
.news-item {
  display: flex; align-items: center; gap: 20px;
  padding: 20px 0; border-bottom: 1px solid var(--color-border-light);
  transition: opacity .3s ease;
}
.news-item:first-child { border-top: 1px solid var(--color-border-light); }
.news-item:hover { opacity: .5; }
.news-item__date {
  font-family: var(--font-en); font-size: 14px;
  letter-spacing: .08em; color: var(--color-text-muted);
  flex-shrink: 0; width: 96px;
}
.news-item__tag {
  font-size: 14px; padding: 2px 10px;
  border: 1px solid var(--color-border);
  color: var(--color-text-sub); flex-shrink: 0; letter-spacing: .04em;
}
.news-item__title { font-size: var(--fs-body); flex: 1; font-weight: 300; }

/* --- Access --- */
.access-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 44px; align-items: start; }
.access-grid__map { overflow: hidden; aspect-ratio: 4 / 3; border: 1px solid rgba(255,255,255,.06); }
.access-grid__map iframe { display: block; width: 100%; height: 100%; }
.access-info { display: flex; flex-direction: column; }
.access-info__row {
  display: flex; gap: 20px; padding: 14px 0;
  border-bottom: 1px solid rgba(255,255,255,.07);
}
.access-info__row dt {
  font-size: var(--fs-small); color: rgba(255,255,255,.35);
  width: 88px; flex-shrink: 0; letter-spacing: .08em;
}
.access-info__row dd { font-size: var(--fs-body); font-weight: 300; }

/* --- Responsive --- */
@media (max-width: 1024px) {
  .features-list { grid-template-columns: repeat(3, 1fr); }
  .feature-item:nth-child(3) { border-right: none; }
}
@media (max-width: 768px) {
  .hero { min-height: 480px; }
  .hero__content { bottom: 20%; }
  .hero__scroll { right: 16px; bottom: 24px; }
  .wave-divider svg { height: 44px; }
  .concept-layout { grid-template-columns: 1fr; gap: 36px; }
  .concept-layout__photos { align-items: center; }
  .circle-photo--offset { margin-right: auto; margin-left: 36%; }
  .service-showcase { grid-template-columns: 1fr; gap: 10px; }
  .service-showcase__item { aspect-ratio: 16 / 9; }
  .salon-circles__row { gap: 16px; }
  .circle-photo--gallery { width: clamp(110px, 24vw, 170px); height: clamp(110px, 24vw, 170px); }
  .features-list { grid-template-columns: 1fr 1fr; }
  .feature-item { border-right: none; border-bottom: 1px solid rgba(255,255,255,.07); }
  .news-item { flex-wrap: wrap; gap: 6px 10px; }
  .news-item__date { width: auto; }
  .news-item__title { width: 100%; }
  .access-grid { grid-template-columns: 1fr; gap: 20px; }
}
@media (max-width: 480px) {
  .features-list { grid-template-columns: 1fr; }
  .circle-photo--large { width: 200px; height: 200px; }
  .circle-photo--small { width: 120px; height: 120px; }
  .circle-photo--gallery { width: 120px; height: 120px; }
}

/* PC only: フォント1.2倍 */
@media (min-width: 769px) {
  .hero__catch { font-size: clamp(12px, 1.3vw, 15px); }
  .service-showcase__en { font-size: 13px; }
  .service-showcase__title { font-size: clamp(18px, 1.8vw, 23px); }
  .feature-item__num { font-size: 34px; }
  .feature-item__title { font-size: 19px; }
  .circle-photo__caption { font-size: 12px; }
  .concept-layout__label { font-size: 12px; }
  .news-item__date { font-size: 14px; }
  .news-item__tag { font-size: 12px; }
  .salon-parking { font-size: 14px; }
}