/* ==========================================================================
   JUNKBRANDING — SHIJIMA Eau de Parfum
   Concept: 静寂、余韻、香りの記憶
   ========================================================================== */

/* ---------- Tokens ---------- */
:root {
  --ink: #0f0e0c;
  --char: #1b1916;
  --paper: #f1ece3;
  --bronze: #a98057;
  --mute: #8c857a;

  --bone: color-mix(in srgb, var(--paper) 90%, var(--bronze));
  --ink-soft: color-mix(in srgb, var(--ink) 76%, var(--paper));
  --rule-dark: color-mix(in srgb, var(--paper) 16%, transparent);
  --rule-light: color-mix(in srgb, var(--ink) 18%, transparent);

  --font-serif: "Shippori Mincho", "Hiragino Mincho ProN", "Yu Mincho", "YuMincho", serif;
  --font-sans: "Zen Kaku Gothic New", "Hiragino Sans", "Yu Gothic", "YuGothic", sans-serif;

  --fs-body: clamp(0.9375rem, 0.9rem + 0.18vw, 1.0625rem);
  --fs-small: 0.875rem;
  --fs-h3: clamp(1.25rem, 1.1rem + 0.6vw, 1.625rem);
  --fs-h2: clamp(2rem, 1.3rem + 3.2vw, 4.25rem);
  --fs-statement: clamp(1.875rem, 1rem + 3.8vw, 4.75rem);
  --fs-hero: clamp(2.75rem, 1.6rem + 5.4vw, 7rem);

  --gutter: clamp(1.25rem, 4.5vw, 4.5rem);
  --section-y: clamp(6rem, 4rem + 10vw, 13rem);
  --col-gap: clamp(1rem, 2.2vw, 2.25rem);
  --header-h: 4.5rem;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-inout: cubic-bezier(0.76, 0, 0.24, 1);
}

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

html {
  background: var(--ink);
  color: var(--paper);
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
}

body {
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: 1.9;
  letter-spacing: 0.04em;
  font-feature-settings: "palt" 0;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}

img, picture { display: block; max-width: 100%; height: auto; }
ul, ol { padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
address { font-style: normal; }
h1, h2, h3 { font-weight: 500; line-height: 1.35; }

:focus-visible {
  outline: 1px solid var(--bronze);
  outline-offset: 4px;
}

[tabindex="-1"]:focus { outline: none; }

.sr-only {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}

.skip-link {
  position: fixed;
  top: 0.75rem; left: 0.75rem;
  z-index: 100;
  padding: 0.5rem 1rem;
  background: var(--paper);
  color: var(--ink);
  font-size: var(--fs-small);
  transform: translateY(-200%);
  transition: transform 0.3s var(--ease-out);
}
.skip-link:focus-visible { transform: none; }

/* ---------- Layout primitives ---------- */
.container {
  width: 100%;
  max-width: 96rem;
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: var(--col-gap);
}

.grid > * { grid-column: 1 / -1; }

.section { padding-block: var(--section-y); }
.section--paper { background: var(--paper); color: var(--ink); }
.section--bone { background: var(--bone); color: var(--ink); }
.section--ink { background: var(--ink); color: var(--paper); }
.section--char { background: var(--char); color: var(--paper); }

.eyebrow {
  font-family: var(--font-serif);
  font-size: var(--fs-small);
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--bronze);
}
.section--paper .eyebrow,
.section--bone .eyebrow { color: var(--ink-soft); }

.section--paper .eyebrow::before,
.section--bone .eyebrow::before,
.section--ink .eyebrow::before,
.section--char .eyebrow::before {
  content: "";
  display: inline-block;
  width: 2rem;
  height: 1px;
  margin-right: 0.875rem;
  vertical-align: middle;
  background: var(--bronze);
}

h2 {
  font-family: var(--font-serif);
  font-size: var(--fs-h2);
  letter-spacing: 0.06em;
  line-height: 1.3;
  text-wrap: balance;
}

p { text-wrap: pretty; }

/* ---------- Progress ---------- */
.progress {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 60;
  height: 2px;
  pointer-events: none;
}
.progress__bar {
  display: block;
  height: 100%;
  background: var(--bronze);
  transform-origin: 0 50%;
  transform: scaleX(var(--progress, 0));
}

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  height: var(--header-h);
  padding-inline: var(--gutter);
  color: var(--paper);
  mix-blend-mode: difference;
}

.wordmark {
  font-family: var(--font-serif);
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 0.42em;
}

.site-nav { display: none; }
.site-nav ul { display: flex; gap: clamp(1.5rem, 3vw, 3rem); }
.site-nav a,
.menu-toggle {
  position: relative;
  font-size: var(--fs-small);
  letter-spacing: 0.16em;
}
.site-nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -0.25rem;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: 100% 50%;
  transition: transform 0.6s var(--ease-out);
}
.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  transform: scaleX(1);
  transform-origin: 0 50%;
}

.menu-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.875rem;
  min-height: 2.75rem;
  text-transform: uppercase;
}
.menu-toggle__icon {
  position: relative;
  width: 1.75rem;
  height: 0.5rem;
}
.menu-toggle__icon::before,
.menu-toggle__icon::after {
  content: "";
  position: absolute;
  left: 0; right: 0;
  height: 1px;
  background: currentColor;
  transition: transform 0.6s var(--ease-out), top 0.6s var(--ease-out);
}
.menu-toggle__icon::before { top: 0; }
.menu-toggle__icon::after { top: 100%; }
.menu-toggle[aria-expanded="true"] .menu-toggle__icon::before { top: 50%; transform: rotate(18deg); }
.menu-toggle[aria-expanded="true"] .menu-toggle__icon::after { top: 50%; transform: rotate(-18deg); }

@media (min-width: 64em) {
  .site-nav { display: block; }
  .menu-toggle { display: none; }
}

/* ---------- Menu overlay ---------- */
.menu {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: calc(var(--header-h) + 2rem) var(--gutter) 2rem;
  background: var(--ink);
  color: var(--paper);
  clip-path: inset(0 0 100% 0);
  transition: clip-path 0.9s var(--ease-inout);
}
.menu[hidden] { display: none; }
.menu.is-open { clip-path: inset(0 0 0 0); }

.menu__nav ol { display: flex; flex-direction: column; }
.menu__nav li { border-bottom: 1px solid var(--rule-dark); }
.menu__nav a {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 1.125rem;
  font-family: var(--font-serif);
  font-size: clamp(1.375rem, 5vw, 2rem);
  letter-spacing: 0.08em;
  opacity: 0;
  transform: translateY(1rem);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out), color 0.3s;
}
.menu__nav a span {
  order: 2;
  font-size: var(--fs-small);
  letter-spacing: 0.2em;
  color: var(--bronze);
  text-transform: uppercase;
}
.menu.is-open .menu__nav a { opacity: 1; transform: none; }
.menu.is-open .menu__nav li:nth-child(1) a { transition-delay: 0.25s; }
.menu.is-open .menu__nav li:nth-child(2) a { transition-delay: 0.3s; }
.menu.is-open .menu__nav li:nth-child(3) a { transition-delay: 0.35s; }
.menu.is-open .menu__nav li:nth-child(4) a { transition-delay: 0.4s; }
.menu.is-open .menu__nav li:nth-child(5) a { transition-delay: 0.45s; }
.menu.is-open .menu__nav li:nth-child(6) a { transition-delay: 0.5s; }
.menu__nav a:hover { color: var(--bronze); }
.menu__foot {
  font-family: var(--font-serif);
  font-size: var(--fs-small);
  letter-spacing: 0.24em;
  color: var(--mute);
}

/* ---------- Bottle frame + printed label (signature) ---------- */
.bottle-frame { position: relative; }
.bottle-frame__inner { position: relative; }
.bottle-frame__inner img { width: 100%; height: 100%; object-fit: cover; }

.label {
  position: absolute;
  container-type: size;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  box-sizing: border-box;
  overflow: hidden;
  /* % padding resolves against the photo frame, so scale it by the label's own width ratio */
  padding: calc(var(--label-w) * 0.09) calc(var(--label-w) * 0.1);
  color: var(--ink);
  font-family: var(--font-serif);
  line-height: 1.15;
  letter-spacing: 0.08em;
  mix-blend-mode: multiply;
  opacity: 0.86;
  pointer-events: none;
  user-select: none;
}
.label__brand { font-size: 6.4cqw; letter-spacing: 0.32em; font-weight: 600; }
.label__name { margin-top: 12cqw; font-size: 15cqw; letter-spacing: 0.14em; }
.label__jp { margin-top: 3cqw; font-size: 9cqw; letter-spacing: 0.3em; }
.label__meta,
.label__date {
  font-family: var(--font-sans);
  font-size: 5.6cqw;
  letter-spacing: 0.1em;
}
.label__meta { margin-top: auto; }
.label__date { margin-top: 3cqw; padding-top: 3cqw; border-top: 1px solid currentColor; align-self: stretch; }

/* Coordinates of the blank paper label inside each photograph */
.label--hero { --label-w: 22.7%; left: 43.4%; top: 49.1%; width: var(--label-w); height: 15.9%; }
.label--product { --label-w: 20.9%; left: 39.3%; top: 45.5%; width: var(--label-w); height: 24.4%; }

/* Printing effect: characters are wrapped by JS */
.label .ch { display: inline-block; white-space: pre; }
html.js .label[data-label-ready] .ch {
  opacity: 0;
  filter: blur(2px);
  transition: opacity 0.5s ease, filter 0.6s ease;
  transition-delay: calc(var(--c) * 32ms);
}
html.js .label.is-printed .ch { opacity: 1; filter: none; }

/* ---------- 1. Hero ---------- */
.hero {
  position: relative;
  background: var(--ink);
  color: var(--paper);
  overflow: hidden;
}

.hero__inner {
  position: relative;
  display: grid;
  grid-template-rows: 1fr auto;
  min-height: 100svh;
  padding: var(--header-h) var(--gutter) 1.75rem;
  row-gap: 1.5rem;
}

.hero__title {
  position: absolute;
  top: calc(var(--header-h) + 1rem);
  right: var(--gutter);
  z-index: 2;
  writing-mode: vertical-rl;
  font-family: var(--font-serif);
  font-size: min(var(--fs-hero), 9.5svh);
  font-weight: 400;
  line-height: 1.25;
  letter-spacing: 0.2em;
}

.hero__stage {
  display: flex;
  justify-content: flex-start;
  align-items: flex-end;
  min-height: 0;
}

.bottle-frame--hero {
  height: min(72svh, 150vw);
  aspect-ratio: 768 / 1376;
  margin-left: -6%;
}
.hero__media,
.bottle-frame--hero .bottle-frame__inner,
.bottle-frame--hero picture { height: 100%; }
.bottle-frame--hero picture {
  -webkit-mask-image:
    linear-gradient(to bottom, transparent 0, #000 10%, #000 86%, transparent 100%),
    linear-gradient(to right, transparent 0, #000 8%, #000 90%, transparent 100%);
  -webkit-mask-composite: source-in;
  mask-image:
    linear-gradient(to bottom, transparent 0, #000 10%, #000 86%, transparent 100%),
    linear-gradient(to right, transparent 0, #000 8%, #000 90%, transparent 100%);
  mask-composite: intersect;
}

.hero__slit {
  position: absolute;
  top: 6%; bottom: 6%;
  left: 50%;
  width: 1px;
  background: var(--bronze);
  opacity: 0;
  pointer-events: none;
}

.hero__meta {
  display: grid;
  gap: 1rem;
}
.hero__eyebrow {
  font-family: var(--font-serif);
  font-size: var(--fs-small);
  letter-spacing: 0.28em;
  line-height: 1.8;
  text-transform: uppercase;
  color: var(--bronze);
}
.hero__lead {
  max-width: 24em;
  font-size: var(--fs-small);
  line-height: 2;
  color: color-mix(in srgb, var(--paper) 78%, transparent);
}

.scroll-cue {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  justify-self: start;
  min-height: 2.75rem;
  font-size: var(--fs-small);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--mute);
}
.scroll-cue__line {
  position: relative;
  width: 4rem;
  height: 1px;
  overflow: hidden;
  background: var(--rule-dark);
}
.scroll-cue__line::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--bronze);
  animation: cue 2.8s var(--ease-inout) infinite;
}
@keyframes cue {
  0% { transform: translateX(-100%); }
  60%, 100% { transform: translateX(100%); }
}

@media (min-width: 40em) {
  .bottle-frame--hero { height: min(78svh, 120vw); margin-left: 0; }
  .hero__stage { justify-content: center; }
}

@media (min-width: 64em) {
  .hero__inner {
    grid-template-columns: 1fr auto 1fr;
    grid-template-rows: 1fr;
    align-items: center;
    column-gap: var(--col-gap);
    padding-bottom: 0;
  }
  .hero__title {
    position: static;
    justify-self: center;
    align-self: center;
  }
  .hero__stage { align-self: end; }
  .bottle-frame--hero { height: calc(100svh - var(--header-h)); max-height: 66rem; }
  .hero__meta {
    align-self: end;
    justify-self: start;
    padding-bottom: 2.5rem;
  }
}

/* ---------- 2. Statement ---------- */
.statement__eyebrow { margin-bottom: 3rem; }
.statement__title {
  font-size: var(--fs-statement);
  font-weight: 400;
  line-height: 1.55;
  letter-spacing: 0.08em;
}
.statement__body {
  display: grid;
  gap: 1.5rem;
  margin-top: clamp(3rem, 6vw, 6rem);
  max-width: 34em;
  color: var(--ink-soft);
  line-height: 2.1;
}
.statement__sign {
  font-family: var(--font-serif);
  color: var(--ink);
  letter-spacing: 0.16em;
}
.note { font-family: var(--font-sans); font-size: var(--fs-small); color: var(--ink-soft); letter-spacing: 0.04em; }

@media (min-width: 64em) {
  .statement__eyebrow { grid-column: 1 / 4; margin-bottom: 0; padding-top: 1.4rem; }
  .statement__title { grid-column: 4 / -1; }
  .statement__body { grid-column: 8 / -1; }
}

/* ---------- Scroll-linked figures ---------- */
.scroll-figure {
  --p: 1;
  position: relative;
  overflow: hidden;
  clip-path: inset(calc((1 - var(--p)) * 14%) calc((1 - var(--p)) * 10%));
}
.scroll-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(calc(1.16 - var(--p) * 0.16));
  transform-origin: 50% 60%;
}
.scroll-figure figcaption {
  position: absolute;
  left: 1rem; bottom: 0.75rem;
  font-family: var(--font-serif);
  font-size: var(--fs-small);
  font-style: italic;
  letter-spacing: 0.08em;
  color: var(--paper);
}

/* ---------- 3. Concept ---------- */
.concept { padding-top: 0; }
.concept__figure { aspect-ratio: 1376 / 768; margin-inline: calc(var(--gutter) * -1); }
.concept__head { margin-top: clamp(4rem, 8vw, 8rem); row-gap: 2rem; }
.concept__lead { max-width: 32em; color: var(--ink-soft); line-height: 2.1; }

.concept__words {
  display: grid;
  gap: 3rem;
  margin-top: clamp(4rem, 8vw, 7rem);
  padding-top: 3rem;
  border-top: 1px solid var(--rule-light);
}
.concept__words h3 {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 1rem;
}
.concept__kanji {
  font-family: var(--font-serif);
  font-size: clamp(2.25rem, 1.6rem + 2.4vw, 3.5rem);
  letter-spacing: 0.12em;
}
.concept__reading {
  font-family: var(--font-serif);
  font-size: var(--fs-small);
  font-style: italic;
  letter-spacing: 0.12em;
  color: var(--bronze);
}
.concept__words p { color: var(--ink-soft); max-width: 22em; }

@media (min-width: 48em) {
  .concept__words { grid-template-columns: repeat(3, 1fr); gap: var(--col-gap); }
}
@media (min-width: 64em) {
  .concept__figure { margin-inline: 0 calc(var(--gutter) * -1); margin-left: 16%; }
  .concept__eyebrow { grid-column: 1 / 4; padding-top: 1.2rem; }
  .concept__title { grid-column: 4 / 9; }
  .concept__lead { grid-column: 9 / -1; padding-top: 1.2rem; }
}

/* ---------- 4. Bottle visual ---------- */
.bottle .grid { row-gap: 3.5rem; align-items: center; }

.bottle__visual figcaption {
  margin-top: 1rem;
  font-size: var(--fs-small);
  color: var(--ink-soft);
  line-height: 1.8;
}

.bottle-frame--product {
  aspect-ratio: 1;
  overflow: hidden;
  cursor: crosshair;
}
.bottle-frame--product .bottle-frame__inner {
  height: 100%;
  transition: transform 1.6s var(--ease-out);
}
.bottle-frame--product:hover .bottle-frame__inner { transform: scale(1.045) translateY(-0.6%); }

.bottle-frame__light {
  position: absolute;
  inset: -20% -60%;
  background: linear-gradient(100deg,
    transparent 40%,
    color-mix(in srgb, var(--paper) 55%, transparent) 50%,
    transparent 60%);
  mix-blend-mode: soft-light;
  transform: translateX(-60%);
  transition: transform 1.8s var(--ease-out);
  pointer-events: none;
}
.bottle-frame--product:hover .bottle-frame__light { transform: translateX(60%); }

.bottle__text { display: grid; gap: 2rem; }
.bottle__text > p { color: var(--ink-soft); line-height: 2.1; max-width: 30em; }

.spec-list { border-top: 1px solid var(--rule-light); }
.spec-list div {
  display: grid;
  grid-template-columns: 7em 1fr;
  gap: 1rem;
  padding-block: 0.875rem;
  border-bottom: 1px solid var(--rule-light);
  font-size: var(--fs-small);
}
.spec-list dt { font-family: var(--font-serif); letter-spacing: 0.16em; }
.spec-list dd { color: var(--ink-soft); }

@media (min-width: 64em) {
  .bottle__visual { grid-column: 1 / 8; }
  .bottle__text { grid-column: 9 / -1; }
}

/* ---------- 5. Notes ---------- */
.notes .grid { row-gap: 4rem; }
.notes__figure { aspect-ratio: 768 / 1376; max-height: 88svh; width: 100%; }
.notes__text { display: grid; align-content: start; gap: 1.5rem; }
.notes__family {
  font-family: var(--font-serif);
  letter-spacing: 0.16em;
  color: var(--mute);
}

.timeline {
  position: relative;
  margin-top: 2rem;
  border-top: 1px solid var(--rule-dark);
}
.timeline__item {
  position: relative;
  display: grid;
  gap: 0.5rem;
  padding: 2rem 0 2rem 1.75rem;
  border-bottom: 1px solid var(--rule-dark);
  transition: background-color 0.6s var(--ease-out);
}
.timeline__item::before {
  content: "";
  position: absolute;
  left: 0; top: 2.6rem;
  width: 0.4375rem; height: 0.4375rem;
  border: 1px solid var(--bronze);
  border-radius: 50%;
  transition: background-color 0.4s;
}
.timeline__item:hover::before { background: var(--bronze); }
.timeline__time {
  font-family: var(--font-serif);
  font-size: var(--fs-small);
  letter-spacing: 0.2em;
  color: var(--bronze);
}
.timeline__time span { text-transform: uppercase; margin-right: 0.75rem; }
.timeline__name {
  font-family: var(--font-serif);
  font-size: var(--fs-h3);
  letter-spacing: 0.1em;
}
.timeline__item > p:last-child {
  max-width: 30em;
  color: color-mix(in srgb, var(--paper) 72%, transparent);
}

@media (min-width: 64em) {
  .notes__figure { grid-column: 1 / 6; position: sticky; top: calc(var(--header-h) + 2rem); align-self: start; }
  .notes__text { grid-column: 7 / -1; padding-top: 4rem; }
}

/* ---------- 6. Craft ---------- */
.craft__head { row-gap: 2rem; margin-bottom: clamp(3rem, 6vw, 6rem); }
.craft__lead { color: color-mix(in srgb, var(--paper) 72%, transparent); max-width: 22em; }
.craft__figure { aspect-ratio: 1408 / 768; margin-inline: calc(var(--gutter) * -1); }

.craft__items {
  display: grid;
  gap: 2.5rem;
  margin-top: clamp(3rem, 6vw, 6rem);
}
.craft__items article {
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule-dark);
}
.craft__items h3 {
  margin-bottom: 1rem;
  font-family: var(--font-serif);
  font-size: var(--fs-h3);
  letter-spacing: 0.24em;
}
.craft__items p { color: color-mix(in srgb, var(--paper) 72%, transparent); }

@media (min-width: 40em) {
  .craft__items { grid-template-columns: repeat(2, 1fr); column-gap: var(--col-gap); }
}
@media (min-width: 64em) {
  .craft__eyebrow { grid-column: 1 / 4; padding-top: 1.2rem; }
  .craft__title { grid-column: 4 / 10; }
  .craft__lead { grid-column: 10 / -1; align-self: end; }
  .craft__figure { margin-inline: 0; }
  .craft__items { grid-template-columns: repeat(4, 1fr); }
}

/* ---------- 7. Product details ---------- */
.product .grid { row-gap: 3rem; }
.product__media { position: relative; background: var(--bone); }
.product__media img { display: block; width: 100%; }

.product__info { display: grid; align-content: start; gap: 1.25rem; }
.product__title {
  font-size: clamp(2.75rem, 2rem + 3vw, 4.5rem);
  letter-spacing: 0.18em;
  line-height: 1.1;
}
.product__sub { font-family: var(--font-serif); letter-spacing: 0.12em; color: var(--ink-soft); }
.product__desc { color: var(--ink-soft); max-width: 32em; line-height: 2.1; }

.buy { display: grid; gap: 1.25rem; margin-top: 1rem; }
.buy__sizes { display: flex; gap: 0.75rem; border: 0; padding: 0; min-inline-size: 0; }
.buy__sizes legend {
  margin-bottom: 0.75rem;
  font-size: var(--fs-small);
  letter-spacing: 0.12em;
  color: var(--ink-soft);
}
.size-option {
  position: relative;
  flex: 1;
  display: grid;
  gap: 0.25rem;
  padding: 1rem 1.125rem;
  border: 1px solid var(--rule-light);
  cursor: pointer;
  transition: border-color 0.3s, background-color 0.3s;
}
.size-option:hover { border-color: var(--ink); }
.size-option input {
  position: absolute;
  opacity: 0;
  inset: 0;
  cursor: pointer;
}
.size-option:has(input:checked) { border-color: var(--ink); background: var(--bone); }
.size-option:has(input:focus-visible) { outline: 1px solid var(--bronze); outline-offset: 3px; }
.size-option__ml { font-family: var(--font-serif); font-size: 1.125rem; letter-spacing: 0.1em; }
.size-option__price { font-size: var(--fs-small); color: var(--ink-soft); }

.buy__price { display: flex; align-items: baseline; gap: 0.5rem; }
.buy__price output {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 1.4rem + 1vw, 2.25rem);
  letter-spacing: 0.06em;
}
.buy__tax { font-size: var(--fs-small); color: var(--ink-soft); }
.buy__note { font-size: var(--fs-small); color: var(--ink-soft); line-height: 1.8; }

.details-list { margin-top: 1.5rem; border-top: 1px solid var(--rule-light); }
.details-list div {
  display: grid;
  grid-template-columns: 7em 1fr;
  gap: 1rem;
  padding-block: 0.875rem;
  border-bottom: 1px solid var(--rule-light);
  font-size: var(--fs-small);
}
.details-list dt { font-family: var(--font-serif); letter-spacing: 0.14em; }
.details-list dd { color: var(--ink-soft); }

.accordion details { border-bottom: 1px solid var(--rule-light); }
.accordion summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 3.25rem;
  font-family: var(--font-serif);
  letter-spacing: 0.14em;
  cursor: pointer;
  list-style: none;
}
.accordion summary::-webkit-details-marker { display: none; }
.accordion summary::after {
  content: "+";
  font-family: var(--font-sans);
  font-size: 1.25rem;
  color: var(--bronze);
  transition: transform 0.4s var(--ease-out);
}
.accordion details[open] summary::after { transform: rotate(45deg); }
.accordion details p { padding-bottom: 1.25rem; font-size: var(--fs-small); color: var(--ink-soft); }

@media (min-width: 64em) {
  .product__media { grid-column: 1 / 7; position: sticky; top: calc(var(--header-h) + 1.5rem); align-self: start; }
  .product__info { grid-column: 8 / -1; }
}

/* ---------- Buttons ---------- */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.5rem;
  padding-inline: 2.25rem;
  font-size: var(--fs-small);
  letter-spacing: 0.22em;
  overflow: hidden;
  isolation: isolate;
  transition: color 0.6s var(--ease-out), border-color 0.6s;
}
.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: var(--bronze);
  transform: scaleY(0);
  transform-origin: 50% 100%;
  transition: transform 0.6s var(--ease-out);
}
.btn:hover::before,
.btn:focus-visible::before { transform: scaleY(1); }
.btn--ink { background: var(--ink); color: var(--paper); }
.btn--ink:hover, .btn--ink:focus-visible { color: var(--ink); }
.btn--paper { background: var(--paper); color: var(--ink); }
.btn--line { border: 1px solid var(--rule-dark); color: var(--paper); }
.btn--line:hover, .btn--line:focus-visible { color: var(--ink); border-color: var(--bronze); }

/* ---------- 8. CTA ---------- */
.cta {
  position: relative;
  display: grid;
  align-items: center;
  min-height: min(100svh, 56rem);
  overflow: hidden;
}
.cta__bg { position: absolute; inset: 0; }
.cta__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 70% 50%;
  transition: transform 2.4s var(--ease-out);
}
.cta:hover .cta__bg img { transform: scale(1.03); }
.cta__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, var(--ink) 0%, color-mix(in srgb, var(--ink) 55%, transparent) 55%, transparent 100%);
}
.cta__inner {
  position: relative;
  display: grid;
  gap: 2rem;
  padding-block: var(--section-y);
}
.cta__title { font-size: var(--fs-statement); font-weight: 400; letter-spacing: 0.08em; line-height: 1.5; }
.cta__text { max-width: 24em; color: color-mix(in srgb, var(--paper) 78%, transparent); }
.cta__actions { display: flex; flex-wrap: wrap; gap: 1rem; }

/* ---------- 9. Footer ---------- */
.site-footer { padding-block: clamp(4rem, 8vw, 7rem) 2rem; border-top: 1px solid var(--rule-dark); overflow-x: clip; }
.site-footer__mark {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 9.4vw, 9.5rem);
  letter-spacing: 0.12em;
  line-height: 1;
  color: var(--char);
  -webkit-text-stroke: 1px color-mix(in srgb, var(--bronze) 60%, transparent);
  white-space: nowrap;
}
.site-footer__cols {
  display: grid;
  gap: 2.5rem;
  margin-top: clamp(3rem, 6vw, 5rem);
  font-size: var(--fs-small);
  color: color-mix(in srgb, var(--paper) 72%, transparent);
}
.site-footer__heading {
  margin-bottom: 1rem;
  font-size: var(--fs-small);
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--bronze);
}
.site-footer__cols ul { display: grid; gap: 0.5rem; }
.site-footer a { transition: color 0.3s; }
.site-footer a:hover { color: var(--paper); }
.site-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 4rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule-dark);
  font-size: var(--fs-small);
  color: var(--mute);
}
.site-footer__bottom small { font-size: inherit; }

@media (min-width: 48em) {
  .site-footer__cols { grid-template-columns: 1fr 1fr 1.4fr; }
}

/* ---------- Dialog ---------- */
.demo-dialog {
  max-width: min(32rem, calc(100vw - 2rem));
  margin: auto;
  padding: clamp(2rem, 5vw, 3rem);
  border: 0;
  background: var(--paper);
  color: var(--ink);
}
.demo-dialog::backdrop { background: color-mix(in srgb, var(--ink) 80%, transparent); }
.demo-dialog h2 { font-size: var(--fs-h3); margin-bottom: 1rem; letter-spacing: 0.12em; }
.demo-dialog p { color: var(--ink-soft); margin-bottom: 2rem; }
.demo-dialog[open] { animation: dialog-in 0.6s var(--ease-out); }
@keyframes dialog-in { from { opacity: 0; transform: translateY(1rem); } }

/* ==========================================================================
   Motion (only when JS is available — content stays visible without JS)
   ========================================================================== */

/* Reveal: fade + rise */
html.js [data-reveal] {
  opacity: 0;
  transform: translateY(1.75rem);
  transition: opacity 1.2s var(--ease-out), transform 1.4s var(--ease-out);
  transition-delay: calc(var(--d, 0) * 1ms);
}
html.js [data-reveal].is-in { opacity: 1; transform: none; }

/* Text reveal: each line rises out of a mask */
.reveal-lines .line { display: block; overflow: hidden; padding-block: 0.06em; }
.reveal-lines .line > span { display: block; }
html.js .reveal-lines .line > span {
  transform: translateY(110%);
  transition: transform 1.4s var(--ease-out);
  transition-delay: calc(var(--i, 0) * 110ms + 80ms);
}
html.js .reveal-lines.is-in .line > span { transform: none; }

/* Vertical hero title: lines drop from above */
.hero__title .line { padding-block: 0.04em; padding-inline: 0; }
html.js .hero__title .line > span { transform: translateY(-110%); }

/* Intro sequence */
html.js .hero__media { clip-path: inset(0 50% 0 50%); }
html.js .hero__img { transform: scale(1.08); }
html.js .hero__meta,
html.js .site-header { opacity: 0; }

html.js.is-ready .hero__slit { animation: slit 1.6s var(--ease-inout) forwards; }
html.js.is-ready .hero__media { animation: open-light 1.8s var(--ease-inout) 0.6s forwards; }
html.js.is-ready .hero__img { transition: transform 3.2s var(--ease-out) 0.6s; transform: none; }
html.js.is-ready .hero__title .line > span { transform: none; transition-delay: calc(1.5s + var(--i) * 180ms); transition-duration: 1.6s; }
html.js.is-ready .hero__meta { opacity: 1; transition: opacity 1.4s var(--ease-out) 2.1s; }
html.js.is-ready .site-header { opacity: 1; transition: opacity 1.2s var(--ease-out) 2s; }

@keyframes slit {
  0% { opacity: 1; transform: scaleY(0); }
  45% { opacity: 1; transform: scaleY(1); }
  100% { opacity: 0; transform: scaleY(1); }
}
@keyframes open-light {
  to { clip-path: inset(0 0 0 0); }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    animation-delay: 0ms !important;
    transition-duration: 0.01ms !important;
    transition-delay: 0ms !important;
  }
  html.js .hero__media { clip-path: none; }
  html.js .hero__slit { display: none; }
  .scroll-figure { --p: 1 !important; }
}

/* Responsive typography: preserve words, allow grid children to shrink. */
:where(main, section, article, figure, .grid) > * { min-width: 0; }
:where(h1, h2, h3) { line-break: strict; }
:where(p, li, dd, figcaption) { line-break: strict; }
:where(h1, h2, h3):lang(ja) { word-break: auto-phrase; overflow-wrap: anywhere; }
:where(p, figcaption):lang(ja) { text-wrap: pretty; }

.scroll-figure figcaption { right: 1rem; line-height: 1.5; text-wrap: balance; }
@media (max-width: 47.99rem) {
  .concept__figure, .craft__figure { aspect-ratio: 4 / 3; }
  .notes__figure { max-height: none; aspect-ratio: 4 / 5; }
  .statement__title { font-size: clamp(1.75rem, 7vw, 2.5rem); }
}
.scroll-figure > picture, .bottle-frame__inner > picture { display: block; width: 100%; height: 100%; }

:where(p, li, dd, figcaption):lang(ja) { word-break: auto-phrase; overflow-wrap: anywhere; }