:root {
  --ink: #302723;
  --muted: #746963;
  --paper: #fffdf9;
  --pearl: #f8f3eb;
  --ivory: #fbf7f1;
  --greige: #e9dfd4;
  --mauve: #b68e91;
  --mauve-soft: #eadbdd;
  --mauve-deep: #4d3738;
  --charcoal: #423d3b;
  --gold: #b79a68;
  --gold-light: #d9c7a4;
  --line: rgba(105, 81, 65, .22);
  --serif: "Bodoni Moda", Didot, "Times New Roman", "Yu Mincho", "Hiragino Mincho ProN", serif;
  --sans: "Noto Sans JP", "Yu Gothic", "Hiragino Kaku Gothic ProN", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; overflow-x: hidden; color: var(--ink); background: var(--paper); font-family: var(--sans); font-size: 16px; line-height: 1.9; letter-spacing: .025em; }
img { display: block; width: 100%; height: auto; }
a { color: inherit; }
p, figure { margin-top: 0; }
.skip-link { position: fixed; z-index: 100; top: -80px; left: 12px; padding: 10px 16px; color: #fff; background: var(--mauve-deep); }
.skip-link:focus { top: 12px; }
.mobile-only { display: none; }

.site-header { position: absolute; z-index: 10; inset: 0 0 auto; display: flex; align-items: center; justify-content: space-between; padding: 21px 22px; color: #fff; text-shadow: 0 1px 12px rgba(43, 28, 25, .38); }
.brand { font-family: var(--serif); font-size: 1.12rem; letter-spacing: .22em; text-decoration: none; }
.header-cta { padding-bottom: 2px; border-bottom: 1px solid var(--gold-light); font-size: .75rem; font-weight: 600; letter-spacing: .06em; text-decoration: none; }

.hero { position: relative; min-height: 100svh; display: grid; align-items: end; overflow: hidden; background: var(--charcoal); }
.hero-media { position: absolute; inset: 0; }
.hero-media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(36, 26, 22, .04) 24%, rgba(37, 25, 22, .78) 100%); }
.hero-media img { height: 100%; object-fit: cover; object-position: 62% 50%; }
.hero-copy { position: relative; z-index: 1; width: 100%; max-width: 650px; padding: 112px 22px 43px; color: #fff; }
.eyebrow, .section-number { margin: 0 0 14px; color: var(--muted); font-family: var(--serif); font-size: .7rem; letter-spacing: .23em; }
.hero-brand { display: flex; align-items: center; gap: 12px; color: #fff; }
.hero-brand::after { content: ""; width: 44px; height: 1px; background: var(--gold-light); }
.hero-product { margin: 0 0 14px; font-family: var(--serif); font-size: .76rem; letter-spacing: .24em; }
.hero h1 { margin: 0 0 20px; font-family: var(--serif); font-size: clamp(2.7rem, 12vw, 4.25rem); font-weight: 400; letter-spacing: .075em; line-height: 1.26; }
.hero-lead { margin-bottom: 16px; font-size: .97rem; line-height: 1.9; }
.hero-size { margin-bottom: 4px; font-size: .8rem; }
.hero-colors { max-width: 520px; margin-bottom: 26px; color: #eee5dc; font-family: var(--serif); font-size: .65rem; letter-spacing: .075em; line-height: 1.65; }

.button { display: inline-flex; min-height: 56px; align-items: center; justify-content: center; gap: 14px; padding: 13px 25px; border: 1px solid var(--ink); text-decoration: none; font-size: .84rem; font-weight: 600; letter-spacing: .055em; transition: transform .25s ease, background .25s ease; }
.button:hover { transform: translateY(-2px); }
.button:focus-visible, .text-link:focus-visible, .header-cta:focus-visible { outline: 3px solid var(--gold); outline-offset: 3px; }
.button-light { color: var(--ink); border-color: #fffaf2; background: #fffaf2; }
.button-light::after, .button-dark::after { content: ""; width: 18px; height: 1px; background: var(--gold); }
.button-dark { color: #fff; border-color: var(--mauve-deep); background: var(--mauve-deep); }
.button-dark::after { background: var(--gold-light); }
.button-outline { border-color: var(--gold); background: transparent; }
.button-line { width: 100%; color: var(--mauve-deep); border-color: var(--mauve); background: rgba(255,255,255,.6); }
.hero-actions { display: grid; justify-items: start; gap: 14px; }
.hero-line-link { color: #fff; font-size: .76rem; font-weight: 600; letter-spacing: .055em; text-decoration-color: var(--gold-light); text-underline-offset: 5px; }
.hero-line-link:focus-visible { outline: 3px solid var(--gold); outline-offset: 3px; }

.section { padding: 80px 20px; }
.section-inner { width: 100%; max-width: 1120px; margin: 0 auto; }
.narrow { max-width: 700px; }
.center-copy { text-align: center; }
h2 { max-width: 850px; margin: 0 0 25px; font-family: var(--serif); font-size: clamp(1.85rem, 7.5vw, 3.2rem); font-weight: 400; letter-spacing: .045em; line-height: 1.45; }
h3 { margin: 0; line-height: 1.5; }
.heading-line { display: inline-block; white-space: nowrap; }
.center-copy h2, .center-copy .section-lead { margin-right: auto; margin-left: auto; }
.section-lead { max-width: 680px; margin-bottom: 35px; font-size: 1rem; }
.fine-note { color: var(--muted); font-size: .73rem; line-height: 1.75; }
.align-left { text-align: left; }

.morning { padding-right: 0; padding-left: 0; background: linear-gradient(155deg, #faf6ef, #f0e5e1); }
.morning > .section-inner { padding-right: 20px; padding-left: 20px; }
.wide-visual { max-width: 1180px; margin: 0 auto; }
.wide-visual img { aspect-ratio: 3 / 2; object-fit: cover; }
.compare-visual { position: relative; }
.compare-visual figcaption { display: grid; grid-template-columns: 1fr 1fr; color: var(--mauve-deep); font-family: var(--serif); font-size: .7rem; letter-spacing: .12em; text-align: center; }
.compare-visual figcaption span { padding: 12px 8px; background: rgba(255,253,249,.78); }
.compare-visual figcaption span + span { border-left: 1px solid rgba(183,154,104,.35); }
.after-visual { padding-top: 33px; }
.after-visual > p:first-child { margin-bottom: 12px; }

.quality { background: var(--paper); }
.split-shell { width: 100%; max-width: 1180px; margin: 0 auto; display: grid; gap: 36px; }
.split-image { overflow: hidden; background: var(--greige); }
.split-image img { width: 100%; height: 100%; object-fit: cover; }
.portrait-image img { aspect-ratio: 1 / 1.1; }
.landscape-image img { aspect-ratio: 4 / 3; }
.split-text { align-self: center; max-width: 600px; }
.split-text p { max-width: 570px; }
.quality-facts { margin: 29px 0 24px; border-top: 1px solid var(--line); }
.quality-facts div { display: grid; grid-template-columns: 75px 1fr; gap: 14px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.quality-facts dt { color: var(--gold); font-family: var(--serif); font-size: .67rem; letter-spacing: .15em; }
.quality-facts dd { margin: 0; font-size: .9rem; }

.sleep-scene { position: relative; min-height: 82svh; display: grid; align-items: end; overflow: hidden; background: var(--mauve-deep); }
.sleep-image { position: absolute; inset: 0; }
.sleep-image::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(61,39,40,.02) 28%, rgba(59,37,39,.76) 100%); }
.sleep-image img { height: 100%; object-fit: cover; object-position: 55% 50%; }
.sleep-copy { position: relative; z-index: 1; max-width: 720px; padding: 64px 20px; color: #fff; }
.sleep-copy .section-number { color: var(--gold-light); }
.sleep-copy h2 { margin-bottom: 18px; color: #fff; }
.sleep-copy p:last-child { max-width: 600px; margin-bottom: 0; }

.pearl { background: var(--ivory); }
.colors { padding-right: 0; padding-left: 0; background: linear-gradient(180deg, #f0e4e4 0%, #faf6ef 48%, #f6efe5 100%); }
.colors > .section-inner { padding-right: 20px; padding-left: 20px; }
.color-gallery { display: grid; gap: 20px; max-width: 1120px; margin: 37px auto 0; padding: 0 20px; }
.color-gallery figure { margin: 0; overflow: hidden; border: 1px solid rgba(183,154,104,.34); background: rgba(255,255,255,.7); }
.color-gallery img { width: 100%; height: auto; }
.color-gallery figcaption { padding: 15px 16px 17px; color: var(--mauve-deep); font-family: var(--serif); font-size: .76rem; letter-spacing: .15em; text-align: center; }
.color-footer { padding-top: 28px; }
.color-footer .fine-note { margin-bottom: 25px; }

.detail { background: var(--paper); }
.detail-words { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 28px; }
.detail-words span { padding: 7px 11px; border: 1px solid var(--line); color: var(--muted); font-family: var(--serif); font-size: .67rem; letter-spacing: .1em; }

.howto { background: var(--ivory); }
.step-grid { list-style: none; margin: 35px 0 0; padding: 0; display: grid; gap: 22px; }
.step-grid li { display: grid; grid-template-rows: auto 1fr; overflow: hidden; border: 1px solid var(--line); background: rgba(255,255,255,.75); }
.step-grid img { aspect-ratio: 4 / 3; object-fit: cover; }
.step-grid div { min-height: 108px; padding: 18px 19px 21px; }
.step-grid span { color: var(--gold); font-family: var(--serif); font-size: .67rem; letter-spacing: .17em; }
.step-grid h3 { margin-top: 5px; font-family: var(--serif); font-size: 1.04rem; font-weight: 400; }
.care-note { display: grid; grid-template-columns: 52px 1fr; gap: 15px; max-width: 720px; margin: 30px auto 0; padding: 19px 0 0; border-top: 1px solid var(--line); }
.care-note span { color: var(--gold); font-family: var(--serif); font-size: .68rem; letter-spacing: .14em; }
.care-note p { margin: 0; color: var(--muted); font-size: .85rem; }

.specifications { color: #fffaf3; background: var(--mauve-deep); }
.specifications .section-number { color: var(--gold-light); }
.specifications h2 { color: #fffaf3; }
.spec-heading > p:last-child { max-width: 520px; color: #e9dfda; }
.spec-layout { display: grid; gap: 38px; }
.spec-list { margin: 0; border-top: 1px solid rgba(217,199,164,.4); }
.spec-list div { display: grid; grid-template-columns: 80px 1fr; gap: 12px; padding: 16px 0; border-bottom: 1px solid rgba(217,199,164,.4); }
.spec-list dt { color: var(--gold-light); font-family: var(--serif); font-size: .67rem; letter-spacing: .13em; }
.spec-list dd { margin: 0; font-size: .92rem; }
.spec-list small { display: block; margin-top: 2px; color: #d8cdca; font-size: .72rem; }

.gift { background: var(--pearl); }
.line-section { background: linear-gradient(150deg, #f7f0e7, #eadadc); }
.line-card { max-width: 860px; margin: 0 auto; padding: 42px 20px; border: 1px solid rgba(183,154,104,.42); background: rgba(255,253,249,.72); text-align: center; }
.line-card h2 { margin-right: auto; margin-left: auto; text-wrap: balance; }
.line-card p:not(.eyebrow) { max-width: 560px; margin-right: auto; margin-left: auto; }

.final-cta { padding-top: 80px; padding-bottom: 82px; background: var(--paper); }
.final-inner { max-width: 820px; margin: 0 auto; text-align: center; }
.final-inner h2 { margin-right: auto; margin-left: auto; }
.final-specs { list-style: none; padding: 0; margin: 29px auto; display: flex; flex-wrap: wrap; justify-content: center; gap: 8px 0; font-size: .78rem; }
.final-specs li { padding: 0 10px; border-right: 1px solid var(--gold-light); }
.final-specs li:last-child { border: 0; }
.final-price { display: grid; gap: 1px; margin: -3px auto 29px; }
.final-price strong { color: var(--mauve-deep); font-family: var(--serif); font-size: 1.65rem; font-weight: 400; letter-spacing: .04em; line-height: 1.45; }
.final-price span { color: var(--muted); font-size: .68rem; letter-spacing: .09em; }
.final-buttons { display: grid; justify-content: center; gap: 18px; }
.text-link { color: var(--mauve-deep); font-size: .86rem; font-weight: 600; text-underline-offset: 5px; }

footer { display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 28px 20px; padding: 44px 22px; color: #fff; background: var(--charcoal); }
footer p { margin: 0; color: #cfc7c2; font-size: .66rem; }
.footer-brand-block { display: grid; gap: 15px; }
.footer-brand-block address { color: #cfc7c2; font-size: .66rem; font-style: normal; letter-spacing: .045em; line-height: 1.75; }
.footer-instagram { display: grid; justify-items: end; gap: 2px; color: #d9d0ca; text-align: right; text-decoration: none; }
.footer-instagram span { font-size: .6rem; letter-spacing: .05em; }
.footer-instagram strong { font-family: var(--serif); font-size: .72rem; font-weight: 400; letter-spacing: .1em; }
.footer-instagram:hover { color: #fff; }
.footer-instagram:focus-visible { outline: 2px solid var(--gold-light); outline-offset: 4px; }
footer > p { grid-column: 2; text-align: right; }

@media (min-width: 760px) {
  body { font-size: 17px; }
  .site-header { padding: 27px 42px; }
  .section { padding: 108px 6.5vw; }
  .morning, .colors { padding-right: 0; padding-left: 0; }
  .morning > .section-inner, .colors > .section-inner { padding-right: 6.5vw; padding-left: 6.5vw; }
  .hero-copy { padding-left: 7vw; padding-bottom: 7vh; }
  .sleep-copy { padding: 80px 7vw; }
  .split-shell { grid-template-columns: minmax(0, 1.1fr) minmax(330px, .9fr); gap: 7vw; align-items: center; }
  .split-shell.reverse .split-image { order: 2; }
  .split-shell.reverse .split-text { justify-self: end; }
  .portrait-image img { aspect-ratio: auto; max-height: 720px; }
  .landscape-image img { aspect-ratio: 4 / 3; }
  .color-gallery { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; padding-right: 6.5vw; padding-left: 6.5vw; }
  .step-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); align-items: stretch; }
  .step-grid li { height: 100%; }
  .spec-layout { grid-template-columns: minmax(0, .85fr) minmax(430px, 1.15fr); gap: 8vw; align-items: start; }
  .line-card { padding: 67px 72px; }
  .button-line { width: auto; }
  #morning-title { max-width: none; white-space: nowrap; }
  .sleep-copy-line { display: inline-block; max-width: 680px; white-space: nowrap; }
  .detail-copy-line { max-width: 650px; white-space: nowrap; }
}

@media (min-width: 1100px) {
  .hero { grid-template-columns: 58% 42%; align-items: stretch; background: var(--pearl); }
  .hero-media { position: relative; grid-column: 1; min-height: 100vh; }
  .hero-media::after { background: linear-gradient(90deg, transparent 72%, rgba(248,243,235,.15)); }
  .hero-media img { object-position: 60% 50%; }
  .hero-copy { grid-column: 2; grid-row: 1; align-self: center; color: var(--ink); padding: 110px 5vw 60px; }
  .hero-brand { color: var(--gold); text-shadow: none; }
  .hero-product { color: var(--muted); }
  .hero-colors { color: var(--muted); }
  .hero h1 { font-size: clamp(3.25rem, 4vw, 4.1rem); }
  .hero .button-light { color: #fff; border-color: var(--mauve-deep); background: var(--mauve-deep); }
  .hero .button-light::after { background: var(--gold-light); }
  .hero-line-link { color: var(--mauve-deep); text-decoration-color: var(--gold); }
  .site-header { color: var(--ink); text-shadow: none; }
  .site-header .brand { color: #fff; text-shadow: 0 1px 10px rgba(0,0,0,.35); }
  .sleep-scene { min-height: 760px; align-items: center; }
  .sleep-image::after { background: linear-gradient(90deg, rgba(52,34,35,.7) 0%, rgba(52,34,35,.18) 54%, transparent 78%); }
  .sleep-copy { margin-left: 4vw; }
  .color-gallery { gap: 24px; }
}

@media (max-width: 759px) {
  .mobile-only { display: block; }
  .mobile-keep { white-space: nowrap; }
  .button { width: 100%; }
  .hero h1 { max-width: 330px; }
  .hero-media img { object-position: 58% 50%; }
  .wide-visual { width: 100%; }
  .split-text { padding: 0 1px; }
  .sleep-scene { min-height: 76svh; }
  .sleep-copy { padding-bottom: 50px; }
  .color-gallery { max-width: 470px; }
  .color-gallery figcaption { display: none; }
  .sleep-copy-line, .detail-copy-line { display: block; white-space: normal; }
  .line-card, .line-card h2, .line-card p { min-width: 0; max-width: 100%; }
  .line-title-brand { white-space: nowrap; }
  .button-line { padding-right: clamp(10px, 4vw, 25px); padding-left: clamp(10px, 4vw, 25px); font-size: clamp(.74rem, 3.35vw, .84rem); white-space: nowrap; }
}

@media (min-width: 760px) and (max-width: 899px) {
  h2 { font-size: 2rem; }
  .sleep-copy-line, .detail-copy-line { display: block; white-space: normal; }
}

@media (max-width: 420px) {
  body { font-size: 16px; }
  .section { padding-top: 72px; padding-bottom: 74px; }
  h2 { font-size: 1.72rem; line-height: 1.5; letter-spacing: .03em; }
  .hero h1 { font-size: 2.8rem; line-height: 1.25; }
  .hero-copy { padding-bottom: 35px; }
  .hero-lead { font-size: .94rem; }
  .hero-size { font-size: .76rem; }
  .hero-colors { font-size: .61rem; }
  .section-lead { line-height: 1.9; }
  .split-shell { gap: 31px; }
  .split-text p { line-height: 1.95; }
  .sleep-image img { object-position: 58% 50%; }
  .sleep-copy p:last-child { line-height: 1.95; }
  .compare-visual figcaption { font-size: .65rem; }
  .after-visual { padding-top: 29px; }
  .color-gallery { gap: 18px; }
  .step-grid { gap: 19px; }
  .spec-list div { grid-template-columns: 72px 1fr; }
  .line-section { padding-top: 66px; padding-bottom: 66px; }
  .line-card { padding: 40px 19px; }
  .line-card h2 { font-size: clamp(1.35rem, 6.6vw, 1.55rem); }
  .final-cta { padding-top: 72px; padding-bottom: 74px; }
  .final-specs { max-width: 330px; }
}

@media (max-width: 359px) {
  .section { padding-right: 16px; padding-left: 16px; }
  .morning, .colors { padding-right: 0; padding-left: 0; }
  .morning > .section-inner, .colors > .section-inner { padding-right: 16px; padding-left: 16px; }
  .line-card { padding-right: 14px; padding-left: 14px; }
  .button-line { gap: 7px; padding-right: 8px; padding-left: 8px; font-size: .7rem; }
  footer { grid-template-columns: 1fr; }
  .footer-instagram { justify-items: start; text-align: left; }
  footer > p { grid-column: 1; text-align: left; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}