/* ==========================================================================
   ARK LV — style
   ========================================================================== */

:root {
  --black: #000;
  --white: #fff;
  --gray: #a3a2a2;
  --gray-dark: #434343;
  --gray-mid: #646464;
  --brown: #3d0e04;
  --navy: #08052a;
  --about-bg: #333;
  --ceo: #594848;
  --line: rgba(0, 0, 0, 0.12);

  --serif: "Bodoni Moda", "Noto Serif JP", serif;
  --serif-jp: "Noto Serif JP", serif;
  --sans: "Roboto", "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Noto Sans JP", sans-serif;

  --header-h: 120px;
  --container: 1040px;
  --gutter: 24px;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 90px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--white);
  color: var(--black);
  font-family: var(--sans);
  font-weight: 300;
  font-size: 16px;
  line-height: 1.6;
  letter-spacing: 0.1em;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}
main { overflow-x: clip; }

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, p, dl, dd, figure, ul { margin: 0; padding: 0; }
ul { list-style: none; }
address { font-style: normal; }

.ja { font-size: 12px; line-height: 1.6; letter-spacing: 0.05em; color: var(--gray); }
.texture-light { background: #f7f5f1 url("/images/texture-light.webp") repeat top left / 720px auto; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 24px;
  padding: 20px 24px;
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 400;
  letter-spacing: 0.1em;
  line-height: 1;
  transition: opacity .3s, transform .3s;
}
.btn::after {
  content: "";
  width: 40px;
  height: 1px;
  background: currentColor;
  transition: width .3s;
}
.btn:hover::after { width: 56px; }
.btn--brown { background: var(--brown); color: var(--white); }
.btn--white { background: var(--white); color: var(--black); }
.btn--navy  { background: var(--navy); color: var(--white); }

/* ---------- Header ---------- */
.header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  border-top: 6px solid #222;
  transition: height .35s, background-color .35s, box-shadow .35s;
}
.header__logo {
  display: block;
  width: 300px;
  margin: 36px 0 0 12px;
  transition: width .35s, margin .35s;
}
.header__logo svg { display: block; width: 100%; height: auto; fill: var(--black); }

.nav { margin: 36px 16px 0 auto; }
.nav__list { display: flex; align-items: center; }
.nav__list li + li::before {
  content: "/";
  margin: 0 12px;
  color: var(--gray);
  font-family: var(--serif);
}
.nav__list a {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 18px;
  line-height: 1;
  letter-spacing: 0.05em;
  transition: opacity .3s;
}
.nav__list a:hover { opacity: .5; }
.nav__careers-sp { display: none; }

.header__careers {
  position: absolute;
  top: 0;
  right: 0;
  background: var(--black);
  color: var(--white);
  font-family: var(--serif);
  font-weight: 400;
  font-size: 16px;
  line-height: 1;
  letter-spacing: 0.05em;
  padding: 6px 32px 8px;
}

.header.is-scrolled {
  height: 80px;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(6px);
  box-shadow: 0 1px 0 var(--line);
}
.header.is-scrolled .header__logo { width: 150px; margin-top: 22px; }
.header.is-scrolled .nav { margin-top: 40px; }

.menu-btn { display: none; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: calc(var(--header-h) + 40px) 30px 60px;
}
.hero__img { width: 100%; max-width: 1380px; margin: 0 auto; }
.hero__scroll {
  position: absolute;
  left: 50%;
  bottom: 60px;
  transform: translateX(-50%);
  color: var(--white);
  font-family: var(--serif);
  font-weight: 400;
  font-size: 16px;
  line-height: 1;
  letter-spacing: 0.1em;
  padding-bottom: 56px;
}
.hero__scroll::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 1px;
  height: 48px;
  background: currentColor;
  animation: scrollLine 2s ease-in-out infinite;
  transform-origin: top;
}
@keyframes scrollLine {
  0%   { transform: scaleY(0); opacity: 1; }
  60%  { transform: scaleY(1); opacity: 1; }
  100% { transform: scaleY(1); opacity: 0; }
}
.hero__book {
  position: absolute;
  right: 5%;
  bottom: 40px;
  font-size: 24px;
  padding: 24px 24px 24px 28px;
}

/* ---------- Big decorative titles ---------- */
.big-title {
  position: absolute;
  font-family: var(--serif);
  font-size: clamp(64px, 11vw, 160px);
  line-height: 1;
  letter-spacing: 0.02em;
  pointer-events: none;
  user-select: none;
  white-space: nowrap;
  color: rgba(207, 207, 207, 0.2);
}
.big-title--about { top: -0.45em; left: 3%; z-index: 2; }
.big-title--stylists { top: -0.45em; right: 0; z-index: 2; }

/* ---------- About ---------- */
.about {
  position: relative;
  background: var(--about-bg);
  color: var(--white);
  padding: 120px var(--gutter) 110px;
  margin-top: 60px;
}
.about__bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
}
.about__bg img {
  position: absolute;
  object-fit: cover;
  opacity: .35;
  filter: grayscale(.2);
}
.about__bg img:first-child { left: -20%; top: -40%; width: 90%; height: 180%; }
.about__bg img:last-child  { right: -20%; top: -20%; width: 85%; height: 180%; }
.about__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(40, 40, 40, 0.55);
}
.about__inner { position: relative; max-width: 1000px; margin: 0 auto; }
.about__title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 35px;
  line-height: 1.6;
  letter-spacing: 0.05em;
  margin-bottom: 24px;
}
.about__text { max-width: 900px; }

.spa-card {
  display: grid;
  grid-template-columns: 260px 1fr auto;
  align-items: center;
  gap: 40px;
  margin: 56px auto 0;
  padding: 32px 40px;
  max-width: 1000px;
  background: rgba(205, 205, 205, 0.3);
}
.spa-card__img { width: 100%; aspect-ratio: 278 / 207; object-fit: cover; }
.spa-card__title { white-space: nowrap; font-family: var(--serif); font-weight: 400; font-size: 30px; line-height: 1; letter-spacing: 0.05em; margin-bottom: 12px; }
.spa-card__body p { font-size: 16px; line-height: 1.4; }

/* ---------- Offset shadow frame ---------- */
.shadow-frame img { width: 100%; height: 100%; object-fit: cover; box-shadow: 12px 12px 0 #333; }

/* ---------- Stylists ---------- */
.stylist {
  position: relative;
  padding: 180px var(--gutter) 140px;
  isolation: isolate;
}
.person {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 56px;
  max-width: var(--container);
  margin: 0 auto;
}
.person + .person { margin-top: 110px; }
.person__photo { width: 300px; height: 380px; }
.person__photo img { filter: grayscale(1); }
.person__name { font-family: var(--serif); font-weight: 400; font-size: 40px; line-height: 1; letter-spacing: 0.05em; margin: 12px 0 16px; }
.person__text { color: var(--gray); font-size: 16px; }
.icon-link { display: inline-block; width: 30px; height: 30px; margin-top: 16px; fill: #b8b8b8; transition: fill .3s; }
.icon-link:hover { fill: var(--black); }
.icon-link svg { width: 100%; height: 100%; }

/* ---------- Section titles ---------- */
.sec-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 40px;
  line-height: 1;
  letter-spacing: 0.05em;
  text-align: center;
  margin-bottom: 64px;
}
.sec-title--sm { font-size: 28px; margin-bottom: 40px; }

/* ---------- Price ---------- */
.price { padding: 120px var(--gutter) 140px; }
.price__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px 64px;
  max-width: 820px;
  margin: 0 auto;
  align-items: start;
}
.menu__title {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 20px;
  line-height: 1;
  letter-spacing: 0.05em;
  text-align: center;
  margin-bottom: 24px;
}
.menu__title::after {
  content: "";
  display: block;
  width: 24px;
  height: 1px;
  margin: 10px auto 0;
  background: var(--black);
}
.menu__list > div {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 14px 4px;
  border-bottom: 1px solid var(--line);
  font-family: var(--serif-jp);
  font-weight: 500;
  font-size: 12px;
  line-height: 1.4;
  letter-spacing: 0.05em;
}
.menu__list dd { white-space: nowrap; }
.menu__list--single { max-width: 400px; margin: -32px auto 64px; }

.price__note {
  max-width: 820px;
  margin: 56px auto;
  padding: 28px;
  background: var(--black);
  color: var(--white);
  text-align: center;
}

/* Head spa */
.headspa { margin-top: 120px; }
.feature {
  display: grid;
  grid-template-columns: 440px 1fr;
  gap: 64px;
  align-items: center;
  max-width: var(--container);
  margin: 0 auto;
}
.feature + .feature { margin-top: 80px; }
.feature--reverse { grid-template-columns: 1fr 480px; }
.feature--reverse .feature__img { order: 2; }
.feature__img { aspect-ratio: 440 / 600; }
.feature__img--wide { aspect-ratio: 478 / 319; }
.feature__title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 28px;
  line-height: 1.4;
  letter-spacing: 0.05em;
  margin-bottom: 20px;
}
.feature__body p { font-size: 16px; }

/* ---------- Space rental ---------- */
.rental { padding: 120px var(--gutter); }
.rental__title { font-family: var(--serif); font-weight: 400; font-size: 28px; line-height: 1.4; letter-spacing: 0.05em; text-align: center; margin-bottom: 40px; }
.rental__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  max-width: var(--container);
  margin: 0 auto;
}
.rental__gallery { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.rental__gallery img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.rental__body { padding-left: 16px; }
.rental__body p { margin-bottom: 20px; font-size: 16px; }
.rental__body .menu__list { margin-bottom: 12px; }
.rental__body .small-note { font-family: var(--serif-jp); font-size: 13px; font-weight: 400; line-height: 1.45; letter-spacing: 0.05em; color: var(--gray); }

/* ---------- Careers ---------- */
.careers { padding: 120px var(--gutter); text-align: center; }
.careers__lead { max-width: 820px; margin: 0 auto; }
.careers__lead p:first-child { margin-bottom: 24px; letter-spacing: 0.05em; }
.requirements {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 40px;
  align-items: center;
  max-width: 900px;
  margin: 72px auto 0;
  text-align: left;
}
.requirements img { width: 100%; aspect-ratio: 333 / 223; object-fit: cover; }
.requirements .ja { margin-bottom: 12px; font-weight: 400; line-height: 1.5; letter-spacing: 0.1em; }
.dot-list li::before { content: "・"; }

/* ---------- Benefits ---------- */
.benefits { padding: 100px var(--gutter) 120px; }
.benefits__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
  max-width: 740px;
  margin: 0 auto;
}
.benefit__title {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 16px;
  line-height: 1;
  letter-spacing: 0.05em;
  text-align: center;
  margin-bottom: 16px;
}
.benefit__title span {
  display: block;
  margin-top: 4px;
  font-family: var(--sans);
  font-weight: 500;
  font-size: 12px;
  line-height: 1.2;
  letter-spacing: 0.1em;
  color: var(--gray-dark);
}
.benefit img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; margin-bottom: 16px; }
.benefit p { font-size: 14px; line-height: 1.6; letter-spacing: 0.1em; }
.benefit .ja { margin-top: 6px; font-size: 12px; letter-spacing: 0.05em; color: var(--gray-mid); }

/* ---------- How to apply ---------- */
.apply { padding: 100px var(--gutter); text-align: center; }
.apply .feature__title { margin-bottom: 24px; }
.apply p { margin-bottom: 16px; }
.apply .ja { letter-spacing: 0.1em; }
.apply .btn { margin-top: 24px; }

/* ---------- Contact ---------- */
.contact {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 560px;
}
.contact__info {
  background: var(--navy) url("/images/texture-navy.webp") repeat top left / 360px auto;
  color: var(--white);
  padding: 80px 48px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.contact__title { font-family: var(--serif); font-weight: 400; font-size: 40px; line-height: 1; letter-spacing: 0.05em; margin-bottom: 28px; }
.contact__info address p + p { margin-top: 12px; }
.contact__info address a:hover { text-decoration: underline; }
.contact__btns { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin: 28px 0; }
.contact__btns .btn { min-width: 200px; justify-content: space-between; }
.contact__note { max-width: 520px; text-align: left; }
.contact__sign { align-self: flex-end; margin-top: 12px; }
.contact__map iframe { display: block; width: 100%; height: 100%; min-height: 400px; border: 0; }

/* ---------- Footer ---------- */
.footer__inner {
  max-width: 900px;
  margin: 0 auto;
  padding: 56px var(--gutter);
  text-align: center;
  color: var(--gray);
}
.footer__ceo { margin-top: 20px; color: var(--ceo); font-weight: 400; }
.footer__copy {
  background: var(--black);
  color: var(--white);
  text-align: center;
  font-size: 14px;
  font-weight: 400;
  line-height: 1;
  letter-spacing: 0.05em;
  padding: 36px var(--gutter);
}

/* ---------- Reveal animation ---------- */
.js .reveal { opacity: 0; transform: translateY(24px); transition: opacity .9s ease, transform .9s ease; }
.js .reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .js .reveal { opacity: 1; transform: none; transition: none; }
  .hero__scroll::after { animation: none; }
}

/* ==========================================================================
   Tablet
   ========================================================================== */
@media (max-width: 1100px) {
  .header__logo { width: 220px; }
  .nav__list a { font-size: 14px; }
  .nav__list li + li::before { margin: 0 8px; }
  .spa-card { grid-template-columns: 220px 1fr; }
  .spa-card__btn { grid-column: 1 / -1; justify-self: center; }
  .feature, .feature--reverse { grid-template-columns: 1fr 1fr; gap: 40px; }
}

/* ==========================================================================
   Mobile
   ========================================================================== */
@media (max-width: 809px) {
  :root { --header-h: 80px; --gutter: 20px; }

  .header { border-top-width: 4px; background: var(--white); height: var(--header-h); }
  .header__logo { width: 250px; margin: 18px 0 0 10px; }
  .header.is-scrolled { height: var(--header-h); background: var(--white); backdrop-filter: none; }
  .header.is-scrolled .header__logo { width: 250px; margin-top: 18px; }
  .header.is-scrolled .nav { margin: 0; }
  .header__careers { display: none; }

  .menu-btn {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 8px;
    position: absolute;
    top: -4px;
    right: 0;
    width: 80px;
    height: 80px;
    padding: 0 20px;
    border: 0;
    background: var(--black);
    cursor: pointer;
    z-index: 2;
  }
  .menu-btn span { display: block; height: 2px; background: var(--white); transition: transform .3s, opacity .3s; }
  .menu-btn[aria-expanded="true"] span:nth-child(1) { transform: translateY(10px) rotate(45deg); }
  .menu-btn[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .menu-btn[aria-expanded="true"] span:nth-child(3) { transform: translateY(-10px) rotate(-45deg); }

  .nav {
    position: fixed;
    inset: 0;
    margin: 0;
    background: var(--black);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
    opacity: 0;
    visibility: hidden;
    transition: opacity .35s, visibility .35s;
  }
  .nav.is-open { opacity: 1; visibility: visible; }
  .nav__list { flex-direction: column; gap: 28px; }
  .nav__list li + li::before { display: none; }
  .nav__list a { color: var(--white); font-size: 24px; }
  .nav__careers-sp { display: block; }

  .hero { padding: calc(var(--header-h) + 30px) 0 0; overflow: hidden; }
  .hero__img { width: 180%; max-width: none; margin-left: -40%; }
  .hero__scroll { display: none; }
  .hero__book { position: static; display: flex; justify-content: center; margin: 24px var(--gutter) 0; }

  .about { padding: 80px var(--gutter) 60px; margin-top: 60px; }
  .about__title { font-size: 26px; }
  .about__bg img:first-child { width: 160%; left: -30%; }
  .about__bg img:last-child { display: none; }
  .spa-card { grid-template-columns: 1fr; padding: 28px; gap: 20px; margin-top: 40px; }
  .spa-card__title { white-space: normal; }
  .spa-card__btn { justify-self: center; }

  .stylist { padding: 120px var(--gutter) 80px; }
  .person { grid-template-columns: 1fr; gap: 32px; }
  .person__photo { width: calc(100% - 12px); height: auto; aspect-ratio: 1; }
  .person__name { font-size: 32px; }
  .person + .person { margin-top: 72px; }

  .sec-title { font-size: 32px; margin-bottom: 40px; }
  .price { padding: 80px var(--gutter); }
  .price__grid { grid-template-columns: 1fr; }
  .menu__list--single { margin: -8px auto 40px; }
  .headspa { margin-top: 80px; }
  .feature, .feature--reverse { grid-template-columns: 1fr; gap: 32px; }
  .feature--reverse .feature__img { order: 0; }
  .feature__img { width: calc(100% - 12px); }
  .feature__title { font-size: 24px; }

  .rental { padding: 80px var(--gutter); }
  .rental__title { font-size: 22px; }
  .rental__inner { grid-template-columns: 1fr; }
  .rental__body { padding-left: 0; }

  .careers { padding: 80px var(--gutter); text-align: left; }
  .careers .sec-title { text-align: center; }
  .requirements { grid-template-columns: 1fr; gap: 24px; margin-top: 48px; }

  .benefits { padding: 72px var(--gutter); }
  .benefits__grid { grid-template-columns: 1fr; gap: 48px; }

  .apply { padding: 72px var(--gutter); }

  .contact { grid-template-columns: 1fr; }
  .contact__info { padding: 64px var(--gutter); }
  .contact__btns { width: 100%; }
  .contact__btns .btn { flex: 1 1 100%; }
  .contact__map iframe { min-height: 360px; }

  .footer__inner { text-align: left; }
}