/* ===================================
   SEVEN. Hair Salon - Stylesheet
   =================================== */

/* CSS Variables */
:root {
  --color-primary: #2c2c2c;
  --color-secondary: #555;
  --color-accent: #333;
  --color-light: #f5f5f5;
  --color-white: #ffffff;
  --color-gray: #666666;
  --color-light-gray: #e8e6e3;

  --font-primary: 'Noto Sans JP', sans-serif;
  --font-display: 'Noto Serif JP', serif;

  --transition: 0.3s ease;
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  --shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.12);
}

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

html {
}

body {
  font-family: var(--font-primary);
  font-size: 16px;
  line-height: 1.8;
  color: var(--color-primary);
  background-color: var(--color-white);
}

a {
  text-decoration: none;
  color: inherit;
  transition: color 0.3s ease;
}

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

ul {
  list-style: none;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ===================================
   Scroll Fade-in Animation
   =================================== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===================================
   Header & Navigation
   =================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1100;
  padding: 25px 30px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: background 0.3s ease;
}

.header .container {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 0;
}

.header-nav-list {
  display: flex;
  list-style: none;
  gap: 40px;
  margin: 0;
  padding: 0;
}

.header-nav-list a {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-primary);
  transition: opacity 0.2s ease;
  position: relative;
  padding: 4px 0;
  white-space: nowrap;
}

.header-nav-list a:hover {
  opacity: 0.55;
}

.header-nav-list a.active::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 1px;
  background: var(--color-primary);
}

@media (max-width: 768px) {
  .header-nav-list {
    gap: 18px;
  }
  .header-nav-list a {
    font-size: 0.7rem;
    letter-spacing: 0.12em;
  }
}

/* Hamburger Button */
.hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 30px;
  height: 30px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 1100;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 1px;
  background: var(--color-primary);
  transition: transform 0.4s ease, opacity 0.4s ease;
}

.hamburger.is-open span:first-child {
  transform: translateY(7px) rotate(45deg);
}

.hamburger.is-open span:nth-child(2) {
  opacity: 0;
}

.hamburger.is-open span:last-child {
  transform: translateY(-7px) rotate(-45deg);
}

/* Overlay Navigation */
.overlay-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1050;
  background: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s ease, visibility 0.4s ease;
}

.overlay-nav.is-open {
  opacity: 1;
  visibility: visible;
}

.overlay-nav-list {
  text-align: center;
  list-style: none;
}

.overlay-nav-list li {
  margin-bottom: 30px;
}

.overlay-nav-list li:last-child {
  margin-bottom: 0;
}

.overlay-nav-list a {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  color: var(--color-gray);
  position: relative;
  padding-bottom: 4px;
}

.overlay-nav-list a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 1px;
  background: var(--color-primary);
  transition: width 0.3s ease, left 0.3s ease;
}

.overlay-nav-list a:hover,
.overlay-nav-list a.active {
  color: var(--color-primary);
}

.overlay-nav-list a:hover::after,
.overlay-nav-list a.active::after {
  width: 100%;
  left: 0;
}

/* ===================================
   Buttons
   =================================== */
.btn {
  display: inline-block;
  padding: 15px 40px;
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  border-radius: 0;
  transition: background-color var(--transition), color var(--transition);
  cursor: pointer;
  border: 1px solid var(--color-primary);
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
}

.btn-primary:hover {
  background: transparent;
  color: var(--color-primary);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

/* ===================================
   Hero Section
   =================================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  width: 100%;
  background: #2a2014;
  position: relative;
  overflow: hidden;
}

.hero-shader {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  width: 100%;
  text-align: center;
}

.hero-title {
  font-family: 'Helvetica Neue', 'Arial Black', 'Helvetica', sans-serif;
  font-size: 7rem;
  font-weight: 900;
  letter-spacing: -0.02em;
  margin-bottom: 0;
  color: rgba(40, 30, 20, 0.7);
  line-height: 1;
}

.hero-sublogo {
  font-family: 'Helvetica Neue', 'Arial Black', 'Helvetica', sans-serif;
  font-size: 1.6rem;
  font-weight: 900;
  letter-spacing: 0.32em;
  margin-top: 0.6rem;
  margin-left: 0.32em;
  color: rgba(40, 30, 20, 0.7);
  text-transform: uppercase;
}

.hero-subtitle {
  display: block;
  font-family: var(--font-display);
  font-size: 0.95rem;
  letter-spacing: 0.5em;
  color: var(--color-gray);
  margin-bottom: 15px;
}

.hero-text {
  font-size: 1rem;
  letter-spacing: 0.2em;
  color: var(--color-gray);
  margin-bottom: 40px;
}

/* ===================================
   Sections
   =================================== */
.section {
  padding: 120px 0;
}

.section-title {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-align: center;
  margin-bottom: 60px;
  position: relative;
  text-transform: uppercase;
}

.section-title::after {
  content: '';
  display: block;
  width: 30px;
  height: 1px;
  background: var(--color-primary);
  margin: 20px auto 0;
}

.section-cta {
  text-align: center;
  margin-top: 50px;
}

.section-cta-multi {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 15px;
}

/* ===================================
   Concept Section
   =================================== */
.concept {
  background: var(--color-light);
}

.concept-content {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
  font-size: 1rem;
  line-height: 2.2;
}

.concept-content p {
  margin-bottom: 20px;
}

/* ===================================
   Services Section
   =================================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

.service-card {
  background: var(--color-white);
  padding: 40px 25px;
  text-align: center;
  border-radius: 0;
  box-shadow: none;
  border: 1px solid var(--color-light-gray);
  transition: border-color var(--transition);
}

.service-card:hover {
  border-color: var(--color-primary);
}

.service-icon {
  font-size: 2.5rem;
  margin-bottom: 20px;
}

.service-card h3 {
  font-size: 1.1rem;
  font-weight: 500;
  margin-bottom: 15px;
  letter-spacing: 0.1em;
}

.service-card p {
  font-size: 0.85rem;
  color: var(--color-gray);
  margin-bottom: 15px;
}

.service-card .price {
  display: block;
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--color-secondary);
}

/* ===================================
   Staff Section
   =================================== */
.staff-preview {
  background: var(--color-light);
}

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

.staff-card {
  text-align: center;
}

.staff-image {
  width: 250px;
  height: 300px;
  border-radius: 0;
  background: linear-gradient(135deg, var(--color-light-gray), var(--color-white));
  margin: 0 auto 25px;
  box-shadow: none;
  overflow: hidden;
}

.staff-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 500;
  margin-bottom: 8px;
}

.staff-role {
  display: block;
  font-size: 0.8rem;
  color: var(--color-secondary);
  letter-spacing: 0.1em;
  margin-bottom: 12px;
}

.staff-card p {
  font-size: 0.9rem;
  color: var(--color-gray);
}

/* ===================================
   Access Section
   =================================== */
.access-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.access-info dl {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 15px 20px;
}

.access-info dt {
  font-weight: 500;
  color: var(--color-secondary);
}

.access-info dd a {
  color: var(--color-primary);
}

.access-info dd a:hover {
  color: var(--color-gray);
}

.access-map {
  background: var(--color-light);
  padding: 20px;
  border-radius: 0;
}

.map-placeholder {
  aspect-ratio: 16 / 10;
  background: var(--color-light-gray);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-radius: 0;
  color: var(--color-gray);
}

.map-note {
  font-size: 0.8rem;
  margin-top: 10px;
}

/* ===================================
   Footer
   =================================== */
.footer {
  background: var(--color-primary);
  color: var(--color-white);
  padding: 50px 0 25px;
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 2fr 1fr;
  gap: 40px;
  margin-bottom: 30px;
}

.footer-logo a {
  font-family: var(--font-display);
  font-size: 1.8rem;
  letter-spacing: 0.1em;
  color: var(--color-white);
}

.footer-logo p {
  font-size: 0.8rem;
  color: var(--color-gray);
  letter-spacing: 0.2em;
  margin-top: 5px;
}

.footer-links ul {
  display: flex;
  flex-wrap: wrap;
  gap: 20px 30px;
  justify-content: center;
}

.footer-links a {
  font-size: 0.8rem;
  opacity: 0.6;
  letter-spacing: 0.05em;
}

.footer-links a:hover {
  opacity: 1;
}

.footer-sns {
  display: flex;
  gap: 20px;
  justify-content: flex-end;
}

.footer-sns a {
  font-size: 1.5rem;
  opacity: 0.8;
}

.footer-sns a:hover {
  opacity: 1;
}

.copyright {
  text-align: center;
  font-size: 0.75rem;
  color: var(--color-gray);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 25px;
  letter-spacing: 0.05em;
}

/* ===================================
   Menu Page
   =================================== */
.page-header {
  padding: 150px 0 80px;
  background: var(--color-light);
  text-align: center;
}

.page-header h1 {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  margin-bottom: 15px;
  text-transform: uppercase;
}

.page-header p {
  color: var(--color-gray);
  letter-spacing: 0.1em;
}

.menu-category {
  margin-bottom: 60px;
}

.menu-category h2 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  padding-bottom: 15px;
  border-bottom: 1px solid var(--color-light-gray);
  margin-bottom: 30px;
  text-transform: uppercase;
}

.menu-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.menu-item {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 20px;
  background: var(--color-white);
  border-radius: 0;
  border-left: 3px solid transparent;
  transition: border-color var(--transition), background-color var(--transition);
}

.menu-item:hover {
  background: var(--color-light);
  border-left-color: var(--color-primary);
}

.menu-item-info h3 {
  font-size: 1rem;
  font-weight: 500;
  margin-bottom: 8px;
}

.menu-item-info p {
  font-size: 0.85rem;
  color: var(--color-gray);
}

.menu-item-price {
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--color-secondary);
  white-space: nowrap;
  margin-left: 20px;
}

/* ===================================
   Staff Page
   =================================== */
.staff-detail-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 60px;
}

.staff-detail-card {
  display: flex;
  gap: 30px;
  padding: 40px;
  background: var(--color-white);
  border-radius: 0;
  box-shadow: none;
  border: none;
}

.staff-detail-image {
  width: 200px;
  height: 240px;
  border-radius: 0;
  background: linear-gradient(135deg, var(--color-light-gray), var(--color-white));
  flex-shrink: 0;
  overflow: hidden;
}

.staff-detail-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  filter: none;
}

.staff-detail-info h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 500;
  margin-bottom: 5px;
}

.staff-name-kana {
  font-size: 0.75rem;
  color: var(--color-gray);
  letter-spacing: 0.1em;
  margin-bottom: 8px !important;
}

.staff-detail-info .staff-role {
  margin-bottom: 15px;
}

.staff-detail-info p {
  font-size: 0.9rem;
  color: var(--color-gray);
  margin-bottom: 15px;
}

.staff-skills {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.staff-skills span {
  font-size: 0.75rem;
  padding: 5px 12px;
  background: var(--color-light);
  border-radius: 0;
  color: var(--color-secondary);
}

/* ===================================
   Gallery Page
   =================================== */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.gallery-item {
  aspect-ratio: 1;
  background: linear-gradient(135deg, var(--color-light-gray), var(--color-white));
  border-radius: 0;
  overflow: hidden;
  cursor: pointer;
  transition: opacity var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gray);
  font-size: 0.9rem;
}

.gallery-item:hover {
  opacity: 0.8;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ===================================
   Blog Page
   =================================== */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.blog-card {
  background: var(--color-white);
  border-radius: 0;
  overflow: hidden;
  box-shadow: none;
  border: 1px solid var(--color-light-gray);
  transition: border-color var(--transition);
}

.blog-card:hover {
  border-color: var(--color-primary);
}

.blog-card-image {
  aspect-ratio: 16 / 10;
  background: linear-gradient(135deg, var(--color-light-gray), var(--color-white));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gray);
  font-size: 0.9rem;
}

.blog-card-content {
  padding: 25px;
}

.blog-card-date {
  font-size: 0.8rem;
  color: var(--color-secondary);
  margin-bottom: 10px;
}

.blog-card h3 {
  font-size: 1rem;
  font-weight: 500;
  margin-bottom: 10px;
  line-height: 1.5;
}

.blog-card p {
  font-size: 0.85rem;
  color: var(--color-gray);
}

/* ===================================
   Contact Page
   =================================== */
.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.contact-form {
  background: var(--color-white);
  padding: 40px;
  border-radius: 0;
  box-shadow: none;
  border: 1px solid var(--color-light-gray);
}

.contact-form h2 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 400;
  margin-bottom: 30px;
  letter-spacing: 0.1em;
}

.form-group {
  margin-bottom: 25px;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 8px;
}

.form-group label .required {
  color: #c9565e;
  font-size: 0.8rem;
  margin-left: 5px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 15px;
  font-size: 1rem;
  font-family: inherit;
  border: 1px solid var(--color-light-gray);
  border-radius: 0;
  transition: border-color var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

.contact-info-box {
  background: var(--color-light);
  padding: 40px;
  border-radius: 0;
}

.contact-info-box h2 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 400;
  margin-bottom: 30px;
  letter-spacing: 0.1em;
}

.contact-info-box dl {
  margin-bottom: 30px;
}

.contact-info-box dt {
  font-weight: 500;
  color: var(--color-secondary);
  margin-bottom: 5px;
}

.contact-info-box dd {
  margin-bottom: 20px;
  padding-left: 0;
}

.contact-info-box dd a {
  color: var(--color-primary);
}

.contact-info-box dd a:hover {
  color: var(--color-gray);
}

.contact-map {
  aspect-ratio: 16 / 10;
  background: var(--color-light-gray);
  border-radius: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gray);
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .staff-detail-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 5rem;
    letter-spacing: -0.02em;
  }

  .section {
    padding: 80px 0;
  }

  .section-title {
    font-size: 1.8rem;
    margin-bottom: 40px;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .staff-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .access-content {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 30px;
  }

  .footer-sns {
    justify-content: center;
  }

  .contact-content {
    grid-template-columns: 1fr;
  }

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .blog-grid {
    grid-template-columns: 1fr;
  }

  .staff-detail-card {
    flex-direction: column;
    text-align: center;
  }

  .staff-detail-image {
    margin: 0 auto;
  }

  .staff-skills {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 4rem;
    letter-spacing: -0.02em;
  }

  .hero-subtitle {
    font-size: 0.85rem;
  }

  .btn {
    width: 100%;
    text-align: center;
  }

  .section-cta-multi {
    flex-direction: column;
    gap: 12px;
  }

  .menu-category {
    margin-bottom: 40px;
  }

  .menu-category h2 {
    font-size: 1.15rem;
    margin-bottom: 20px;
  }

  .menu-item {
    padding: 16px 14px;
    align-items: center;
  }

  .menu-item-info {
    flex: 1;
    min-width: 0;
  }

  .menu-item-info h3 {
    font-size: 0.92rem;
    line-height: 1.55;
    margin-bottom: 0;
    overflow-wrap: anywhere;
  }

  .menu-item-price {
    font-size: 1.1rem;
    margin-left: 12px;
  }

  .gallery-grid {
    grid-template-columns: 1fr;
  }

  .page-header h1 {
    font-size: 2rem;
  }
}