/* ============================================
   Hair Salon RICHE - Style Sheet
   ============================================ */

/* --- Custom Properties --- */
:root {
  --color-black: #1A1A1A;
  --color-gold: #C9A96E;
  --color-gold-light: #D4B97E;
  --color-gold-dark: #B89A5E;
  --color-white: #FFFFFF;
  --color-gray-light: #F5F5F5;
  --color-gray: #E0E0E0;
  --color-gray-dark: #999999;
  --color-text: #333333;
  --color-text-light: #666666;

  --font-en: "Cormorant Garamond", serif;
  --font-ja: "Noto Serif JP", serif;

  --header-height: 80px;
  --section-padding: 120px;
  --container-width: 1100px;

  --transition-base: 0.3s ease;
  --transition-slow: 0.6s ease;
}

/* --- Reset --- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-ja);
  font-weight: 300;
  color: var(--color-text);
  background-color: var(--color-white);
  line-height: 1.8;
  overflow-x: hidden;
}

ul, ol {
  list-style: none;
}

a {
  text-decoration: none;
  color: inherit;
}

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

table {
  border-collapse: collapse;
  width: 100%;
}

button {
  background: none;
  border: none;
  cursor: pointer;
  font: inherit;
}

/* --- Header --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 100;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(201, 169, 110, 0.15);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 40px;
}

.header__logo {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.header__logo-main {
  font-family: var(--font-en);
  font-size: 1.75rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  color: var(--color-black);
  line-height: 1;
}

.header__logo-sub {
  font-family: var(--font-en);
  font-size: 0.65rem;
  font-weight: 300;
  letter-spacing: 0.25em;
  color: var(--color-gold);
  margin-top: 2px;
}

.header__nav-list {
  display: flex;
  gap: 32px;
}

.header__nav-link {
  font-family: var(--font-en);
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  color: var(--color-text);
  position: relative;
  padding-bottom: 4px;
  transition: color var(--transition-base);
}

.header__nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--color-gold);
  transition: width var(--transition-base);
}

.header__nav-link:hover {
  color: var(--color-gold);
}

.header__nav-link:hover::after {
  width: 100%;
}

.header__cta {
  font-family: var(--font-ja);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  color: var(--color-white);
  background-color: var(--color-gold);
  padding: 10px 24px;
  border: 1px solid var(--color-gold);
  transition: all var(--transition-base);
}

.header__cta:hover {
  background-color: transparent;
  color: var(--color-gold);
}

.header__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  padding: 4px 0;
}

.header__hamburger-line {
  display: block;
  width: 100%;
  height: 1px;
  background-color: var(--color-black);
  transition: transform var(--transition-base);
}

/* --- Hero --- */
.hero {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.hero__bg-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  background: linear-gradient(
    135deg,
    rgba(26, 26, 26, 0.65) 0%,
    rgba(26, 26, 26, 0.35) 100%
  );
}

.hero__content {
  position: relative;
  z-index: 3;
  text-align: center;
  color: var(--color-white);
}

.hero__en {
  font-family: var(--font-en);
  font-size: clamp(0.85rem, 1.2vw, 1rem);
  font-weight: 300;
  letter-spacing: 0.35em;
  color: var(--color-gold);
  margin-bottom: 24px;
  text-transform: uppercase;
}

.hero__catch {
  font-family: var(--font-ja);
  font-size: clamp(1.6rem, 3.5vw, 2.8rem);
  font-weight: 400;
  letter-spacing: 0.15em;
  line-height: 1.6;
  margin-bottom: 20px;
}

.hero__sub {
  font-family: var(--font-ja);
  font-size: clamp(0.8rem, 1vw, 0.9rem);
  font-weight: 300;
  letter-spacing: 0.1em;
  opacity: 0.8;
  margin-bottom: 48px;
}

.hero__cta {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  color: var(--color-white);
  border: 1px solid var(--color-gold);
  padding: 14px 48px;
  transition: all var(--transition-base);
  text-transform: uppercase;
}

.hero__cta:hover {
  background-color: var(--color-gold);
  color: var(--color-white);
}

.hero__scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.hero__scroll-text {
  font-family: var(--font-en);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  color: var(--color-white);
  opacity: 0.6;
  text-transform: uppercase;
}

.hero__scroll-line {
  display: block;
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--color-gold), transparent);
  animation: scrollLine 1.8s ease-in-out infinite;
}

@keyframes scrollLine {
  0% { opacity: 0; transform: scaleY(0); transform-origin: top; }
  50% { opacity: 1; transform: scaleY(1); transform-origin: top; }
  100% { opacity: 0; transform: scaleY(1); transform-origin: bottom; }
}

/* --- Section Common --- */
.concept__en,
.stylist__en,
.menu__en,
.coupon__en,
.salon__en {
  display: block;
  font-family: var(--font-en);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 300;
  letter-spacing: 0.08em;
  color: var(--color-gold);
  opacity: 0.25;
  line-height: 1;
  margin-bottom: 8px;
}

.concept__title,
.stylist__title,
.menu__title,
.coupon__title,
.salon__title {
  font-family: var(--font-ja);
  font-size: clamp(1rem, 1.5vw, 1.2rem);
  font-weight: 400;
  letter-spacing: 0.2em;
  color: var(--color-black);
}

.concept__heading,
.stylist__heading,
.menu__heading,
.salon__heading {
  text-align: center;
  margin-bottom: 64px;
}

/* --- Concept --- */
.concept {
  padding: var(--section-padding) 0;
  background-color: var(--color-white);
}

.concept__inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 40px;
}

.concept__body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.concept__image {
  overflow: hidden;
}

.concept__image-src {
  width: 100%;
  height: 400px;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.concept__image:hover .concept__image-src {
  transform: scale(1.03);
}

.concept__description {
  font-size: 0.9rem;
  font-weight: 300;
  line-height: 2.2;
  color: var(--color-text);
  letter-spacing: 0.05em;
}

/* --- Stylist --- */
.stylist {
  padding: var(--section-padding) 0;
  background-color: var(--color-gray-light);
}

.stylist__inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 40px;
}

.stylist__list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.stylist__card {
  background-color: var(--color-white);
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.stylist__card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
}

.stylist__card-image {
  overflow: hidden;
  aspect-ratio: 3 / 4;
}

.stylist__card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.stylist__card:hover .stylist__card-img {
  transform: scale(1.05);
}

.stylist__card-body {
  padding: 28px 24px 32px;
  text-align: center;
}

.stylist__card-role {
  display: block;
  font-family: var(--font-en);
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  color: var(--color-gold);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.stylist__card-name {
  font-family: var(--font-ja);
  font-size: 1.15rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  color: var(--color-black);
  margin-bottom: 4px;
}

.stylist__card-position {
  display: block;
  font-size: 0.75rem;
  font-weight: 300;
  color: var(--color-text-light);
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}

.stylist__card-message {
  font-size: 0.8rem;
  font-weight: 300;
  line-height: 1.8;
  color: var(--color-text);
  font-style: italic;
}

/* --- Menu & Price --- */
.menu {
  padding: var(--section-padding) 0;
  background-color: var(--color-white);
}

.menu__inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 40px;
}

.menu__categories {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 48px;
}

.menu__category {
  padding: 36px;
  border: 1px solid var(--color-gray);
  transition: border-color var(--transition-base);
}

.menu__category:hover {
  border-color: var(--color-gold);
}

.menu__category-title {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-gray);
}

.menu__category-en {
  font-family: var(--font-en);
  font-size: 1.4rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--color-gold);
}

.menu__category-ja {
  font-family: var(--font-ja);
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  color: var(--color-text-light);
}

.menu__price-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.menu__price-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.menu__price-name {
  font-size: 0.85rem;
  font-weight: 300;
  letter-spacing: 0.05em;
  color: var(--color-text);
}

.menu__price-value {
  font-family: var(--font-en);
  font-size: 0.95rem;
  font-weight: 400;
  letter-spacing: 0.05em;
  color: var(--color-black);
}

.menu__note {
  text-align: center;
  font-size: 0.75rem;
  font-weight: 300;
  color: var(--color-text-light);
  margin-top: 40px;
  letter-spacing: 0.05em;
}

/* --- Coupon --- */
.coupon {
  padding: var(--section-padding) 0;
  background-color: var(--color-black);
  color: var(--color-white);
  overflow: hidden;
}

.coupon__inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 40px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.coupon__en {
  color: var(--color-gold);
  opacity: 0.35;
}

.coupon__title {
  color: var(--color-white);
  margin-bottom: 32px;
}

.coupon__offer {
  font-family: var(--font-ja);
  font-size: 1.1rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}

.coupon__highlight {
  font-family: var(--font-en);
  font-size: 2.4rem;
  font-weight: 600;
  color: var(--color-gold);
  letter-spacing: 0.05em;
  margin-left: 8px;
}

.coupon__note {
  font-size: 0.8rem;
  font-weight: 300;
  line-height: 1.8;
  opacity: 0.7;
  margin-bottom: 40px;
}

.coupon__cta {
  display: inline-block;
  font-family: var(--font-ja);
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  color: var(--color-black);
  background-color: var(--color-gold);
  padding: 16px 48px;
  transition: all var(--transition-base);
}

.coupon__cta:hover {
  background-color: var(--color-gold-light);
}

.coupon__image {
  overflow: hidden;
}

.coupon__image-src {
  width: 100%;
  height: 360px;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.coupon__image:hover .coupon__image-src {
  transform: scale(1.03);
}

/* --- Salon Info --- */
.salon {
  padding: var(--section-padding) 0;
  background-color: var(--color-gray-light);
}

.salon__inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 40px;
}

.salon__content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.salon__map {
  width: 100%;
  height: 360px;
  background-color: var(--color-gray);
  overflow: hidden;
}

.salon__map iframe {
  width: 100%;
  height: 100%;
}

.salon__table-row {
  border-bottom: 1px solid var(--color-gray);
}

.salon__table-head {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--color-black);
  padding: 18px 16px 18px 0;
  white-space: nowrap;
  vertical-align: top;
  width: 110px;
}

.salon__table-data {
  font-size: 0.85rem;
  font-weight: 300;
  letter-spacing: 0.05em;
  color: var(--color-text);
  padding: 18px 0;
  line-height: 1.7;
}

.salon__tel {
  color: var(--color-gold-dark);
  transition: color var(--transition-base);
}

.salon__tel:hover {
  color: var(--color-gold);
}

/* --- Footer --- */
.footer {
  padding: 60px 0 40px;
  background-color: var(--color-black);
  color: var(--color-white);
  text-align: center;
}

.footer__inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 40px;
}

.footer__logo {
  display: block;
  font-family: var(--font-en);
  font-size: 1.8rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  color: var(--color-white);
  line-height: 1;
}

.footer__logo-sub {
  display: block;
  font-family: var(--font-en);
  font-size: 0.6rem;
  font-weight: 300;
  letter-spacing: 0.25em;
  color: var(--color-gold);
  margin-top: 4px;
  margin-bottom: 32px;
}

.footer__nav-list {
  display: flex;
  justify-content: center;
  gap: 28px;
  margin-bottom: 32px;
}

.footer__nav-link {
  font-family: var(--font-en);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.6);
  transition: color var(--transition-base);
}

.footer__nav-link:hover {
  color: var(--color-gold);
}

.footer__copy {
  font-family: var(--font-en);
  font-size: 0.65rem;
  font-weight: 300;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.35);
}

/* ============================================
   Responsive - Tablet (max-width: 768px)
   ============================================ */
@media (max-width: 768px) {
  :root {
    --header-height: 64px;
    --section-padding: 80px;
  }

  .header__nav {
    display: none;
  }

  .header__cta {
    display: none;
  }

  .header__hamburger {
    display: flex;
  }

  .header__inner {
    padding: 0 20px;
  }

  .hero__content {
    padding: 0 24px;
  }

  .hero__sub {
    margin-bottom: 36px;
  }

  .concept__inner,
  .stylist__inner,
  .menu__inner,
  .coupon__inner,
  .salon__inner,
  .footer__inner {
    padding: 0 24px;
  }

  .concept__body {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .concept__image-src {
    height: 280px;
  }

  .concept__description br {
    display: none;
  }

  .stylist__list {
    grid-template-columns: 1fr;
    gap: 32px;
    max-width: 400px;
    margin: 0 auto;
  }

  .menu__categories {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .menu__category {
    padding: 28px 24px;
  }

  .coupon__inner {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }

  .coupon__image {
    order: -1;
  }

  .coupon__image-src {
    height: 240px;
  }

  .coupon__highlight {
    display: block;
    margin-left: 0;
    margin-top: 8px;
  }

  .salon__content {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .salon__map {
    height: 260px;
  }

  .footer__nav-list {
    flex-wrap: wrap;
    gap: 16px 24px;
  }
}

/* ============================================
   Responsive - Mobile (max-width: 480px)
   ============================================ */
@media (max-width: 480px) {
  :root {
    --section-padding: 64px;
  }

  .header__logo-main {
    font-size: 1.4rem;
  }

  .hero {
    min-height: 500px;
  }

  .hero__cta {
    padding: 12px 36px;
    font-size: 0.75rem;
  }

  .hero__scroll {
    bottom: 24px;
  }

  .concept__en,
  .stylist__en,
  .menu__en,
  .coupon__en,
  .salon__en {
    font-size: 2rem;
  }

  .concept__heading,
  .stylist__heading,
  .menu__heading,
  .salon__heading {
    margin-bottom: 40px;
  }

  .concept__image-src {
    height: 220px;
  }

  .stylist__card-body {
    padding: 20px 16px 24px;
  }

  .menu__category {
    padding: 24px 20px;
  }

  .menu__category-en {
    font-size: 1.2rem;
  }

  .coupon__highlight {
    font-size: 2rem;
  }

  .coupon__cta {
    padding: 14px 40px;
  }

  .coupon__image-src {
    height: 200px;
  }

  .salon__map {
    height: 220px;
  }

  .salon__table-head {
    font-size: 0.75rem;
    padding: 14px 12px 14px 0;
    width: 90px;
  }

  .salon__table-data {
    font-size: 0.8rem;
    padding: 14px 0;
  }

  .footer {
    padding: 48px 0 32px;
  }

  .footer__logo {
    font-size: 1.5rem;
  }

  .footer__nav-list {
    gap: 12px 20px;
  }
}