/* ========================================
   MONO hair - 引き算の、美学。
   Ultra-minimal monochrome. Pure text.
   Colors: ONLY #111111 and #FFFFFF.
   Fonts: Noto Sans JP, weight 200 and 800.
   ======================================== */

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 200;
  background: #FFFFFF;
  color: #111111;
  line-height: 2;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  cursor: none;
}

a {
  color: #111111;
  text-decoration: none;
  cursor: none;
}

::selection {
  background: #111111;
  color: #FFFFFF;
}

/* ── Dot Cursor ── */
.dot-cursor {
  position: fixed;
  width: 4px;
  height: 4px;
  background: #111111;
  border-radius: 50%;
  pointer-events: none;
  z-index: 100000;
  top: 0;
  left: 0;
  transition: transform 0.08s ease-out;
  mix-blend-mode: exclusion;
}

@media (max-width: 840px) {
  .dot-cursor { display: none; }
  body { cursor: auto; }
  a { cursor: auto; }
}

/* ── Scroll Percentage ── */
.scroll-pct {
  position: fixed;
  bottom: 32px;
  right: 40px;
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 200;
  font-size: 0.7rem;
  color: #111111;
  z-index: 9998;
  letter-spacing: 0.05em;
}

@media (max-width: 840px) {
  .scroll-pct {
    right: 20px;
    bottom: 20px;
  }
}

/* ── Sample Banner ── */
.sample-banner {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 99999;
  background: #111111;
  color: #FFFFFF;
  text-align: center;
  padding: 10px 16px;
  font-size: 13px;
  font-weight: 200;
  letter-spacing: 0.05em;
}

/* ── Header ── */
.header {
  position: fixed;
  top: 37px;
  left: 0;
  right: 0;
  z-index: 9998;
  padding: 24px 0;
  background: rgba(255, 255, 255, 0);
  transition: background 0.6s, padding 0.4s;
}

.header.scrolled {
  background: rgba(255, 255, 255, 0.96);
  padding: 16px 0;
}

.header-inner {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 800;
  font-size: 1rem;
  letter-spacing: 0.2em;
  color: #111111;
}

.nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 200;
  font-size: 0.72rem;
  color: #111111;
  letter-spacing: 0.08em;
  transition: font-weight 0.3s;
}

.nav-link:hover {
  font-weight: 800;
}

/* Hamburger - 2 lines only */
.hamburger {
  display: none;
  width: 24px;
  height: 12px;
  background: none;
  border: none;
  cursor: none;
  position: relative;
  z-index: 10000;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 1px;
  background: #111111;
  position: absolute;
  left: 0;
  transition: all 0.4s;
}

.hamburger span:first-child { top: 0; }
.hamburger span:last-child { bottom: 0; }

.hamburger.active span:first-child {
  top: 50%;
  transform: translateY(-50%) rotate(45deg);
}

.hamburger.active span:last-child {
  bottom: 50%;
  transform: translateY(50%) rotate(-45deg);
}

@media (max-width: 840px) {
  .hamburger { display: block; }
  .nav {
    position: fixed;
    inset: 0;
    background: #FFFFFF;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 40px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.5s;
  }
  .nav.open {
    opacity: 1;
    visibility: visible;
  }
  .nav-link {
    font-size: 0.9rem;
  }
  .header-inner { padding: 0 24px; }
}

/* ── Container ── */
.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 40px;
}

@media (max-width: 840px) {
  .container { padding: 0 24px; }
}

/* ── Hero ── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #FFFFFF;
  padding: 0 40px;
}

.hero-content {
  text-align: center;
}

.hero-tagline {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 200;
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  letter-spacing: 0.3em;
  color: #111111;
}

/* ── Sections ── */
.section {
  padding: 200px 0;
}

@media (max-width: 840px) {
  .section { padding: 120px 0; }
}

/* ── Line Separator (grows from center) ── */
.line-grow {
  border: none;
  height: 1px;
  background: #111111;
  width: 0;
  margin: 0 auto 80px;
  transition: width 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.line-grow.visible {
  width: 100%;
}

@media (max-width: 840px) {
  .line-grow { margin-bottom: 60px; }
}

/* ── Section Title ── */
.section-title {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 800;
  font-size: clamp(1.2rem, 2.5vw, 1.6rem);
  letter-spacing: 0.08em;
  margin-bottom: 60px;
  line-height: 1.8;
}

/* ── Section Body ── */
.section-body {
  font-weight: 200;
  font-size: 0.88rem;
  line-height: 2.4;
  letter-spacing: 0.04em;
}

.section-body p {
  margin-bottom: 40px;
}

.section-body p:last-child {
  margin-bottom: 0;
}

/* ── Numbers ── */
.numbers-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 16px;
}

.number-item {
  text-align: center;
}

.number-value {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 800;
  font-size: clamp(3rem, 8vw, 5rem);
  line-height: 1;
  letter-spacing: -0.02em;
  color: #111111;
}

.number-label {
  font-weight: 200;
  font-size: 0.8rem;
  color: #111111;
  letter-spacing: 0.1em;
}

.numbers-desc {
  display: flex;
  justify-content: space-between;
  font-weight: 200;
  font-size: 0.68rem;
  color: #111111;
  letter-spacing: 0.1em;
  text-align: center;
}

.numbers-desc span {
  flex: 1;
}

/* ── Service List ── */
.service-list {
  margin-bottom: 40px;
}

.service-item {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 20px 0;
  border-bottom: 1px solid #111111;
}

.service-name {
  font-weight: 200;
  font-size: 0.9rem;
  letter-spacing: 0.06em;
}

.service-price {
  font-weight: 800;
  font-size: 0.9rem;
  letter-spacing: 0.04em;
}

.service-desc {
  font-weight: 200;
  font-size: 0.75rem;
  line-height: 2;
  padding: 12px 0 0;
  margin-bottom: 20px;
  letter-spacing: 0.02em;
}

.service-note {
  font-weight: 200;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  margin-top: 40px;
}

/* ── Quote ── */
.section--quote {
  padding: 160px 0;
}

@media (max-width: 840px) {
  .section--quote { padding: 100px 0; }
}

.quote {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 200;
  font-size: clamp(1rem, 2vw, 1.2rem);
  line-height: 2.4;
  letter-spacing: 0.1em;
  font-style: normal;
}

.quote-author {
  font-weight: 200;
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  margin-top: 40px;
}

/* ── Profile ── */
.profile-block {
  margin-top: 0;
}

.profile-name {
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: 0.1em;
  margin-bottom: 4px;
}

.profile-name span {
  font-weight: 200;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  margin-left: 16px;
}

.profile-role {
  font-weight: 200;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  margin-bottom: 40px;
}

.profile-text p {
  font-weight: 200;
  font-size: 0.84rem;
  line-height: 2.4;
  letter-spacing: 0.02em;
  margin-bottom: 24px;
}

.profile-text p:last-child {
  margin-bottom: 0;
}

/* ── Voices ── */
.voice-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.voice-item {
  padding: 40px 0;
  border-bottom: 1px solid #111111;
}

.voice-item:last-child {
  border-bottom: none;
}

.voice-text {
  font-weight: 200;
  font-size: 0.88rem;
  line-height: 2.4;
  letter-spacing: 0.04em;
}

.voice-author {
  font-weight: 200;
  font-size: 0.68rem;
  letter-spacing: 0.15em;
  margin-top: 16px;
}

/* ── FAQ ── */
.faq-list {
  border-top: 1px solid #111111;
}

.faq-item {
  border-bottom: 1px solid #111111;
}

.faq-q {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0;
  cursor: none;
}

@media (max-width: 840px) {
  .faq-q { cursor: auto; }
}

.faq-q span:first-child {
  font-weight: 200;
  font-size: 0.84rem;
  letter-spacing: 0.04em;
}

.faq-toggle {
  font-weight: 200;
  font-size: 1.2rem;
  transition: transform 0.4s;
  line-height: 1;
}

.faq-item.open .faq-toggle {
  transform: rotate(45deg);
}

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s cubic-bezier(0.16, 1, 0.3, 1),
              padding 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  padding: 0;
}

.faq-item.open .faq-a {
  max-height: 200px;
  padding-bottom: 24px;
}

.faq-a p {
  font-weight: 200;
  font-size: 0.78rem;
  line-height: 2.2;
  letter-spacing: 0.02em;
}

/* ── Info Table ── */
.info-table {
  display: flex;
  flex-direction: column;
}

.info-row {
  display: flex;
  padding: 16px 0;
  border-bottom: 1px solid #111111;
}

.info-row:first-child {
  border-top: 1px solid #111111;
}

.info-row dt {
  width: 100px;
  flex-shrink: 0;
  font-weight: 800;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
}

.info-row dd {
  font-weight: 200;
  font-size: 0.8rem;
  letter-spacing: 0.02em;
}

.info-row dd a {
  border-bottom: 1px solid #111111;
  transition: opacity 0.3s;
}

.info-row dd a:hover {
  opacity: 0.5;
}

@media (max-width: 600px) {
  .info-row {
    flex-direction: column;
    gap: 4px;
  }
  .info-row dt { width: auto; }
}

/* ── Contact ── */
.contact-block {
  text-align: center;
}

.contact-tel {
  margin-bottom: 16px;
}

.contact-tel a {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 800;
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  letter-spacing: 0.08em;
  color: #111111;
  border-bottom: 1px solid #111111;
  padding-bottom: 4px;
  transition: opacity 0.3s;
}

.contact-tel a:hover {
  opacity: 0.5;
}

.contact-hours {
  font-weight: 200;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}

.contact-note {
  font-weight: 200;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
}

/* ── Footer ── */
.footer {
  padding: 80px 0;
  border-top: 1px solid #111111;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.footer-logo {
  font-weight: 800;
  font-size: 0.8rem;
  letter-spacing: 0.15em;
}

.footer-copy {
  font-weight: 200;
  font-size: 0.6rem;
  letter-spacing: 0.05em;
}

@media (max-width: 600px) {
  .footer-inner {
    flex-direction: column;
    gap: 12px;
  }
}

/* ── Fade-in Animation (opacity only, no movement) ── */
.fade-in {
  opacity: 0;
  transition: opacity 1.5s;
}

.fade-in.visible {
  opacity: 1;
}