/* ========== RESET & BASE ========== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; }
ul { list-style: none; }

/* ========== VARIABLES ========== */
:root {
  --color-bg: #faf8f5;
  --color-bg-dark: #f0ede8;
  --color-text: #2c2c2c;
  --color-text-light: #6b6460;
  --color-accent: #8c7b6e;
  --color-accent-deep: #5c4e46;
  --color-beauty: #9b8579;
  --color-relaxy: #7a8f7a;
  --color-cotton: #8a8470;
  --color-type: #8a7a94;
  --color-new: #a8572f;
  --color-gold: #b6923f;
  --color-gold-light: #d9c08a;
  --color-white: #ffffff;
  --font-main: 'Noto Sans JP', sans-serif;
  --font-display: 'Cormorant Garamond', serif;
  --transition: 0.4s ease;
}

/* ========== BASE ========== */
body {
  font-family: var(--font-main);
  background: var(--color-bg);
  color: var(--color-text);
  font-size: 14px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

.inner {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ========== REVEAL ANIMATION ========== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ========== SECTION EYEBROW ========== */
.section-eyebrow {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.2em;
  color: var(--color-accent);
  margin-bottom: 12px;
  display: block;
}

/* ========== FV ========== */
.fv {
  position: relative;
  background: var(--color-bg-dark);
  overflow: hidden;
}
.fv__inner {
  position: relative;
  height: 70svh;
  overflow: hidden;
}
.fv__img-wrap {
  position: absolute;
  inset: 0;
}
.fv__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.fv__overlay {
  position: absolute;
  inset: 0;
  background: rgba(32, 26, 22, 0.42);
}
.fv__text-wrap {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 24px;
  color: var(--color-white);
}
.fv__eyebrow {
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 0.18em;
  opacity: 0.9;
  margin-bottom: 6px;
}
.fv__series {
  font-size: 13px;
  font-weight: 300;
  letter-spacing: 0.12em;
  margin-bottom: 4px;
}
.fv__title {
  font-family: var(--font-display);
  font-size: clamp(44px, 12vw, 72px);
  font-weight: 300;
  line-height: 1;
  letter-spacing: 0.04em;
  margin-bottom: 14px;
}
.fv__lead {
  font-size: 13px;
  font-weight: 300;
  line-height: 1.7;
  opacity: 0.95;
}

/* ========== COUPON ========== */
.coupon {
  background: var(--color-white);
  padding: 32px 20px;
  text-align: center;
}
.coupon__inner {
  max-width: 560px;
  margin: 0 auto;
  border: 1px solid var(--color-accent);
  padding: 28px 24px;
}
.coupon__badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  border: 1px solid var(--color-accent);
  color: var(--color-accent);
  padding: 3px 12px;
  margin-bottom: 12px;
}
.coupon__title {
  font-size: clamp(17px, 4.5vw, 21px);
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--color-text);
  margin-bottom: 6px;
}
.coupon__period {
  font-size: 12px;
  font-weight: 300;
  letter-spacing: 0.08em;
  color: var(--color-text-light);
  margin-bottom: 18px;
}
.coupon__btn {
  display: inline-block;
  padding: 12px 36px;
  background: var(--color-accent-deep);
  color: var(--color-white);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  transition: opacity var(--transition);
}
.coupon__btn:hover { opacity: 0.8; }

/* ========== ABOUT (CONCEPT + BRAND STORY + CONCERN) ========== */
.about {
  padding: 72px 0;
  background: var(--color-bg);
  text-align: center;
}
.about__title {
  font-family: var(--font-display);
  font-size: clamp(22px, 5vw, 28px);
  font-weight: 400;
  font-style: italic;
  letter-spacing: 0.04em;
  line-height: 1.4;
  margin-bottom: 16px;
  color: var(--color-accent-deep);
}
.about__lead {
  font-size: 14px;
  font-weight: 400;
  line-height: 1.9;
  color: var(--color-text);
  margin-bottom: 28px;
}
.about__img-wrap {
  margin-bottom: 28px;
}
.about__img-wrap img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}
.about__body {
  font-size: 13px;
  font-weight: 300;
  line-height: 2;
  color: var(--color-text-light);
  margin-bottom: 40px;
  text-align: left;
}
.about__concerns {
  background: var(--color-accent-deep);
  color: var(--color-white);
  padding: 36px 24px;
  text-align: left;
}
.about__concerns-label {
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1.5;
  margin-bottom: 20px;
  text-align: center;
}
.about__concerns-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.about__concerns-list li {
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.02em;
  display: flex;
  align-items: baseline;
  gap: 12px;
  border-bottom: 1px solid rgba(255,255,255,0.2);
  padding-bottom: 14px;
}
.about__concerns-list li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}
.about__concerns-num {
  font-family: var(--font-main);
  font-size: 18px;
  font-weight: 300;
  color: rgba(255,255,255,0.55);
  flex-shrink: 0;
}

/* ========== LINEUP ========== */
.lineup {
  padding: 72px 0;
  background: var(--color-bg-dark);
}
.lineup__title {
  font-size: clamp(19px, 4.8vw, 24px);
  font-weight: 500;
  letter-spacing: 0.04em;
  line-height: 1.4;
  margin-bottom: 32px;
}
.lineup__title span {
  display: block;
  font-family: var(--font-main);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  margin-top: 4px;
}
.lineup__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.lineup__card {
  display: block;
  background: var(--color-white);
  padding: 12px 12px 16px;
  color: var(--color-text);
  transition: opacity var(--transition);
}
a.lineup__card:hover { opacity: 0.82; }
.lineup__card.is-disabled {
  opacity: 0.6;
}
.lineup__img-wrap {
  margin-bottom: 12px;
}
.lineup__img-wrap img {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
}
.lineup__img-wrap.is-placeholder {
  width: 100%;
  aspect-ratio: 3/4;
  background: var(--color-bg-dark);
  border: 1px dashed var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}
.lineup__img-wrap.is-placeholder span {
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  line-height: 1.5;
}
.lineup__status {
  display: inline-block;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.06em;
  padding: 3px 8px;
  margin-bottom: 8px;
}
.lineup__status.is-active {
  background: var(--color-accent-deep);
  color: var(--color-white);
}
.lineup__status.is-new {
  background: var(--color-new);
  color: var(--color-white);
}
.lineup__status.is-soon {
  background: var(--color-bg);
  color: var(--color-text-light);
  border: 1px solid var(--color-accent);
}
.lineup__num {
  font-size: 11px;
  font-weight: 300;
  color: var(--color-text-light);
  letter-spacing: 0.06em;
  margin-bottom: 4px;
}
.lineup__name {
  font-size: 12px;
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: 0.02em;
}
.lineup--repeat {
  background: var(--color-bg);
}

/* ========== DESIGN BASE ========== */
.design-base {
  padding: 72px 0;
  background: var(--color-bg);
}
.design-base__title {
  font-size: clamp(20px, 5vw, 26px);
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: 0.04em;
  margin-bottom: 20px;
}
.design-base__body {
  font-size: 14px;
  font-weight: 300;
  line-height: 2;
  color: var(--color-text-light);
  margin-bottom: 28px;
}
.design-base__img-wrap {
  margin-bottom: 20px;
}
.design-base__img-wrap img {
  width: 100%;
  aspect-ratio: 3/2;
  object-fit: cover;
}
.design-base__note {
  font-size: 11px;
  color: var(--color-text-light);
  line-height: 1.6;
}

/* --- design-base__function (Beauty Before/After) --- */
.design-base__function {
  margin-top: 40px;
  padding-top: 40px;
  border-top: 1px solid rgba(140,123,110,0.25);
}
.design-base__function-img-wrap {
  margin-bottom: 18px;
}
.design-base__function-img-wrap img {
  width: 100%;
}
.design-base__function-label {
  font-family: var(--font-display);
  font-size: 13px;
  font-style: italic;
  letter-spacing: 0.08em;
  margin-bottom: 6px;
}
.design-base__function-label.beauty { color: var(--color-beauty); }
.design-base__function-name {
  font-size: 18px;
  font-weight: 500;
  letter-spacing: 0.04em;
  margin-bottom: 12px;
}
.design-base__function-desc {
  font-size: 13px;
  font-weight: 300;
  line-height: 1.9;
  color: var(--color-text-light);
  margin-bottom: 16px;
}
.design-base__function-points {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.design-base__function-points li {
  font-size: 12px;
  font-weight: 300;
  line-height: 1.7;
  color: var(--color-text-light);
}
.design-base__function-points li span {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--color-accent-deep);
  margin-right: 6px;
}

/* ========== PRODUCT (品番セクション) ========== */
.product {
  padding: 72px 0;
  background: var(--color-bg);
}
.product:nth-of-type(even) {
  background: var(--color-bg-dark);
}
.product__num {
  font-size: 12px;
  font-weight: 300;
  letter-spacing: 0.1em;
  color: var(--color-text-light);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.product__badge-new {
  display: inline-block;
  background: var(--color-new);
  color: var(--color-white);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 2px 8px;
}
.product__name {
  font-size: clamp(19px, 5vw, 25px);
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: 0.04em;
  margin-bottom: 8px;
}
.product__catch {
  font-size: 13px;
  font-weight: 300;
  color: var(--color-accent);
  letter-spacing: 0.06em;
  border-left: 2px solid var(--color-accent);
  padding-left: 10px;
  margin-bottom: 28px;
}

/* --- ranking badge (gold) --- */
.product__ranking {
  text-align: center;
  padding: 14px 12px;
  margin-bottom: 28px;
  border-top: 1px solid var(--color-gold);
  border-bottom: 1px solid var(--color-gold);
}
.product__ranking-label {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 500;
  font-style: italic;
  letter-spacing: 0.06em;
  color: var(--color-gold);
  margin-bottom: 6px;
}
.product__ranking-detail {
  font-size: 11px;
  font-weight: 500;
  line-height: 1.7;
  letter-spacing: 0.02em;
  color: var(--color-accent-deep);
}

/* --- carousel --- */
.product__carousel {
  margin-bottom: 28px;
}
.product__carousel-viewport {
  position: relative;
}
.product__carousel-track {
  display: flex;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.product__carousel-track::-webkit-scrollbar { display: none; }
.product__carousel-arrow {
  position: absolute;
  top: 50%;
  right: 10px;
  transform: translateY(-50%);
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: none;
  background: rgba(255,255,255,0.55);
  color: var(--color-accent-deep);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background var(--transition);
}
.product__carousel-arrow:hover {
  background: rgba(255,255,255,0.8);
}
.product__carousel-arrow svg {
  margin-left: 1px;
}
.product__carousel-arrow--prev {
  left: 10px;
  right: auto;
}
.product__carousel-arrow--prev svg {
  margin-left: -1px;
}
.product__slide {
  flex: 0 0 100%;
  scroll-snap-align: start;
}
.product__slide img {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
}
.product__dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 14px;
}
.product__dot {
  width: 6px;
  height: 6px;
  padding: 0;
  border: none;
  border-radius: 50%;
  background: rgba(140,123,110,0.35);
  cursor: pointer;
}
.product__dot.is-active {
  background: var(--color-accent-deep);
}

.product__desc {
  font-size: 13px;
  font-weight: 300;
  line-height: 2;
  color: var(--color-text-light);
  margin-bottom: 32px;
}

/* --- points --- */
.product__points {
  margin-bottom: 32px;
}
.product__points-label {
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--color-accent);
  margin-bottom: 14px;
}
.product__points ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.product__points li {
  font-size: 13px;
  font-weight: 300;
  display: flex;
  align-items: baseline;
  gap: 10px;
}
.point-num {
  font-family: var(--font-main);
  font-size: 12px;
  font-weight: 300;
  color: var(--color-text-light);
}
.point-name {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 0.04em;
  min-width: 56px;
}
.point-name.beauty { color: var(--color-beauty); }
.point-name.relaxy { color: var(--color-relaxy); }
.point-name.cotton { color: var(--color-cotton); }
.point-name.type { color: var(--color-type); }

/* --- color / size --- */
.product__color,
.product__size {
  margin-bottom: 24px;
}
.product__color-label,
.product__size-label {
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--color-accent);
  margin-bottom: 10px;
}
.product__color-list,
.product__size-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.product__color-list span,
.product__size-list span {
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.04em;
  padding: 6px 14px;
  border: 1px solid var(--color-accent);
  color: var(--color-accent-deep);
}

.product__price {
  font-size: 20px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--color-accent-deep);
  margin-bottom: 24px;
}
.product__price span {
  font-size: 12px;
  font-weight: 300;
}
.product__btn-wrap {
  display: flex;
  justify-content: center;
}
.product__btn {
  display: inline-block;
  padding: 14px 48px;
  background: var(--color-accent-deep);
  color: var(--color-white);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.12em;
  transition: background var(--transition);
}
.product__btn:hover {
  background: var(--color-accent);
}

/* ========== COMING SOON ========== */
.coming {
  padding: 48px 0;
  background: var(--color-bg-dark);
  text-align: center;
}
.coming__text {
  font-size: 13px;
  font-weight: 300;
  letter-spacing: 0.08em;
  color: var(--color-text-light);
}

/* ========== FOOTER (RELATED SERIES) ========== */
.footer {
  padding: 72px 0 40px;
  background: var(--color-bg-dark);
  text-align: center;
}
.footer__inner {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 20px;
}
.section-label {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.2em;
  color: var(--color-accent);
  margin-bottom: 12px;
  display: block;
}
.footer__title {
  font-family: var(--font-display);
  font-size: clamp(22px, 5vw, 28px);
  font-weight: 400;
  font-style: italic;
  letter-spacing: 0.04em;
  color: var(--color-accent-deep);
  margin-bottom: 32px;
}
.footer__related {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 40px;
  text-align: left;
}
.footer__related-item {
  display: block;
  color: var(--color-text);
  transition: opacity var(--transition);
}
.footer__related-item:hover { opacity: 0.8; }
.footer__related-image {
  margin-bottom: 10px;
}
.footer__related-image img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}
.footer__related-name {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.03em;
  color: var(--color-accent-deep);
  margin-bottom: 4px;
}
.footer__related-desc {
  font-size: 11px;
  font-weight: 300;
  line-height: 1.7;
  color: var(--color-text-light);
}
.footer__wellness-btn {
  display: inline-block;
  padding: 14px 40px;
  background: var(--color-accent-deep);
  color: var(--color-white);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.12em;
  margin-bottom: 24px;
  transition: background var(--transition);
}
.footer__wellness-btn:hover {
  background: var(--color-accent);
}
.footer__copy {
  font-size: 10px;
  font-weight: 300;
  letter-spacing: 0.1em;
  color: var(--color-text-light);
}

/* ========== PC ========== */
@media (min-width: 768px) {
  .inner { padding: 0 40px; }

  .about__body { max-width: 640px; margin-left: auto; margin-right: auto; }

  .lineup__grid { grid-template-columns: repeat(4, 1fr); gap: 20px; }

  .product .inner { max-width: 600px; }
  .product__carousel { max-width: 480px; margin-left: auto; margin-right: auto; }

  .footer__related { grid-template-columns: repeat(5, 1fr); gap: 16px; }
}