:root {
  --mc: #1e2a5c;
  --sc: #8a93a6;
  --ac: #b5121b;
  --bc: #c4c8d4;
  --tx: #111;
  --gr: #9aa0aa;
  --wh: #fff;
  --bk: #000;

  --en: "Outfit";
  --logo: "Archivo";
  --ja: "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Yu Gothic", "Meiryo", sans-serif;

  --markFZ: clamp(5rem, 27.5vw, 33rem);
  --emFZ: 10vmin;
  --h1FZ: 7.2vmin;
  --h2FZ: 4.8vmin;
  --h3FZ: 3.2vmin;
  --bodyFZ: 1.6vmin;
  --btnFZ: 1.6vmin;

  --sp-xs: 0.4vmin;
  --sp-s: 0.8vmin;
  --sp-m: 2vmin;
  --sp-l: 3.2vmin;
  --sp-xl: 4.8vmin;
  --sp-2xl: 8vmin;

  --bdw: 1px;
  --trans: all 0.6s cubic-bezier(0.25, 1, 0.5, 1);
}

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

body {
  margin: 0;
  background: var(--bc);
  color: var(--tx);
  font-family: var(--en), var(--ja);
  font-size: var(--bodyFZ);
  line-height: 1.5;
}

h1,
p,
ul,
ol,
dl,
dd {
  margin: 0;
}

ul,
ol {
  padding: 0;
  list-style: none;
}

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

img {
  display: block;
}

.source {
  position: fixed;
  left: 0;
  top: 0;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.is-loading {
  overflow: clip;
}

button {
  padding: 0;
  border: 0;
  background: none;
  color: inherit;
  font: inherit;
  cursor: pointer;
}

/* header */

.header {
  position: fixed;
  inset-inline: 0;
  top: 0;
  z-index: 10;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  padding-block: var(--sp-xl);
  padding-inline: var(--sp-xl);
  pointer-events: none;
}

.header a {
  pointer-events: auto;
}

.h_logo {
  font-family: var(--logo);
  background: url(../assets/textures/moire-navy.webp) center / cover;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-size: var(--h3FZ);
  font-weight: 700;
  letter-spacing: 0.125em;
  line-height: 1;
  opacity: 0;
}

.is-docked .h_logo {
  opacity: 1;
}

.h_items {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-l);
  font-weight: 600;
  letter-spacing: 0.125em;
}

/* collection */

.collection {
  position: relative;
  height: 2480lvh;
}

.stage {
  position: sticky;
  top: 0;
  height: 100lvh;
  overflow: clip;
}

.palette {
  position: absolute;
  inset: 0;
  display: flex;
  opacity: 0;
  transition: var(--trans);
}

.palette--current {
  transition: none;
}

.palette span {
  height: 100%;
}

.is-lookbook .palette--current,
.is-lookbook .palette--next {
  opacity: 1;
}

.palette--next {
  clip-path: inset(0 0 100% 0);
  transition-property: opacity;
}

/* mark */

.mark {
  position: absolute;
  left: 50%;
  top: 50%;
  translate: -50% -50%;
  font-family: var(--logo);
  font-size: var(--markFZ);
  font-weight: 700;
  letter-spacing: 0.125em;
  text-indent: 0.125em;
  line-height: 1;
  white-space: nowrap;
  color: var(--mc);
  transform-origin: 0 0;
}

.mark span {
  display: block;
}

.mark_line {
  color: transparent;
  -webkit-text-stroke: var(--bdw) var(--mc);
}

.mark_fill {
  position: absolute;
  inset: 0;
  background: url(../assets/textures/moire-navy.webp) center / cover;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.is-docked .mark {
  visibility: hidden;
}

/* frame */

.frame {
  position: absolute;
  left: 50%;
  top: 50%;
  translate: -50% -50%;
  clip-path: inset(0 0 100% 0);
  transition: var(--trans);
  transition-property: left;
}

.is-lookbook .frame {
  left: 31.25%;
}

.frame_video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.frame_look {
  position: absolute;
  top: 0;
  left: 31.25%;
  width: 37.5%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
}

.is-lookbook .frame_video {
  opacity: 0;
}

.is-lookbook .frame_look--current,
.is-lookbook .frame_look--next {
  opacity: 1;
}

.frame_look--next {
  clip-path: inset(0 0 100% 0);
}

/* copy */

.copy {
  mix-blend-mode: difference;
}

.copy_line {
  position: absolute;
  height: 1.25em;
  color: var(--bc);
  -webkit-text-stroke: 2px var(--mc);
  paint-order: stroke fill;
  font-size: var(--emFZ);
  font-weight: 300;
  letter-spacing: 0.05em;
  line-height: 1.25;
}

.copy_word {
  display: block;
  white-space: nowrap;
}

.copy_word + .copy_word {
  margin-block-start: -1.25em;
}

.copy_char {
  display: inline-block;
  opacity: 0;
  transition: var(--trans);
}

.copy_line--left {
  left: 10%;
  top: 27.5%;
  transform-origin: left center;
}

.copy_line--right {
  right: 10%;
  top: 50%;
  transform-origin: right center;
  text-align: right;
}

/* scroll */

.scroll {
  position: absolute;
  right: var(--sp-xl);
  bottom: var(--sp-xl);
  font-size: var(--bodyFZ);
  font-weight: 600;
  letter-spacing: 0.125em;
  transition: var(--trans);
}

.is-scrolled .scroll {
  opacity: 0;
}

/* curtain */

.curtain {
  position: absolute;
  inset-inline: 0;
  top: 0;
  height: var(--bdw);
  translate: 0 -100%;
  background: var(--tx);
}

/* looks */

.looks {
  position: absolute;
  left: 58.75%;
  top: var(--sp-xl);
  width: 35%;
  opacity: 0;
  visibility: hidden;
}

.is-introducing-looks .looks {
  visibility: visible;
}

.looks_head {
  padding-block-end: var(--sp-m);
}

.sub {
  color: var(--ac);
  font-size: var(--bodyFZ);
  font-weight: 700;
  letter-spacing: 0.25em;
}

.looks_head h1 {
  font-size: var(--h3FZ);
  font-weight: 400;
  letter-spacing: 0.075em;
  line-height: 1.25;
}

.looks_list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-xs);
}

.look {
  flex-basis: 100%;
}

.look_btn {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-m);
  text-align: left;
}

.look_dot {
  width: 1vmin;
  height: 1vmin;
  border-radius: 50%;
  background: var(--ac);
  scale: 0;
  transition: var(--trans);
  transition-property: scale;
}

.is-current .look_dot {
  scale: 1;
}

.look_thumb {
  width: 3.6vmin;
  height: 5.4vmin;
  object-fit: cover;
}

.look_no {
  font-size: var(--h3FZ);
  font-weight: 400;
  letter-spacing: 0.05em;
  line-height: 1;
  transform-origin: left center;
}

.look_bar {
  display: flex;
  width: 24vmin;
  height: 0.8vmin;
}

.look_detail {
  max-height: 0;
  overflow: clip;
}

.is-lookbook .look_detail {
  transition: var(--trans);
  transition-property: max-height;
}

.look_detail_inner {
  padding-block: var(--sp-xs) var(--sp-m);
  padding-inline-start: 8.6vmin;
}

.look_items {
  display: flex;
  flex-wrap: wrap;
  row-gap: var(--sp-s);
  width: 40vmin;
  margin-block-end: var(--sp-m);
  font-weight: 500;
}

.look_items dt {
  flex-basis: 75%;
  font-family: var(--ja);
}

.look_items dd {
  flex-basis: 25%;
  text-align: right;
}

/* btn */

.btn {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-s);
  padding-block: var(--sp-s);
  padding-inline: var(--sp-l);
  background: url(../assets/textures/moire-button.webp) left center / 200% auto;
  color: var(--wh);
  font-family: var(--ja);
  font-size: var(--btnFZ);
  font-weight: 600;
  line-height: 1.5;
  transition: var(--trans);
}

.btn i {
  font-size: 1.8vmin;
}

.btn--line {
  padding-block: var(--sp-m);
  padding-inline: var(--sp-l);
  border: var(--bdw) solid currentColor;
  background: none;
  color: inherit;
  font-family: var(--en);
  font-weight: 500;
  letter-spacing: 0.05em;
}

/* footer */

.footer {
  position: absolute;
  inset-inline: 0;
  bottom: 0;
  z-index: 5;
  display: flex;
  flex-wrap: wrap;
  align-content: space-between;
  height: 38.4vmin;
  padding-block: 6.4vmin var(--sp-l);
  padding-inline: 28vmin var(--sp-2xl);
  background: var(--mc);
  color: var(--wh);
}

.f_inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  flex-basis: 100%;
}

.f_logo {
  margin-block-end: var(--sp-m);
  font-family: var(--logo);
  font-size: var(--h2FZ);
  font-weight: 700;
  letter-spacing: 0.125em;
  line-height: 1.25;
}

.f_nav {
  display: flex;
  flex-wrap: wrap;
  gap: 4vmin;
  font-weight: 500;
  letter-spacing: 0.125em;
}

.f_copy {
  flex-basis: 100%;
  font-size: 1.4vmin;
}

/* responsive */

@media screen and (max-width: 800px) {
  :root {
    --bodyFZ: 0.875rem;
    --btnFZ: 0.875rem;
  }

  .looks {
    top: 12.5%;
  }
}

@media screen and (max-width: 660px) {
  :root {
    --h2FZ: 2rem;
    --h3FZ: 1.25rem;

    --sp-xs: 0.25rem;
    --sp-s: 0.5rem;
    --sp-m: 1rem;
    --sp-l: 1.5rem;
    --sp-xl: 2rem;
    --sp-2xl: 3rem;
  }

  .frame {
    transform-origin: 50% 0;
    transition-property: left, top, translate, scale;
  }

  .is-lookbook .frame {
    left: 50%;
    top: var(--sp-2xl);
    translate: -50% 0;
    scale: 0.45;
  }

  .looks {
    left: var(--sp-m);
    right: var(--sp-m);
    top: 50%;
    width: auto;
  }

  .look_items {
    width: auto;
  }

  .look_dot {
    width: 0.375rem;
    height: 0.375rem;
  }

  .btn i {
    font-size: 18px;
  }

  .footer {
    height: auto;
    row-gap: var(--sp-l);
    padding-block: var(--sp-xl);
    padding-inline: var(--sp-m);
  }

  .f_inner {
    row-gap: var(--sp-l);
  }

  .f_copy {
    font-size: 0.75rem;
  }
}