:root {
  --ink: #211923;
  --ink-soft: #584d5b;
  --night: #241a2b;
  --night-deep: #18121d;
  --plum: #765680;
  --lavender: #d9c8df;
  --paper: #f7f2f5;
  --paper-2: #eee5ef;
  --white: #fffafd;
  --serif: "Noto Serif JP", "Yu Mincho", serif;
  --sans: "Noto Sans JP", "Yu Gothic", sans-serif;
  --side: max(24px, calc((100vw - 1160px) / 2));
  --ease: cubic-bezier(.22, .61, .36, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 60px; overflow-x: hidden; }
body { margin: 0; min-width: 320px; overflow-x: clip; color: var(--ink); background: var(--night); font-family: var(--sans); font-size: 16px; font-weight: 300; line-height: 2; letter-spacing: .04em; -webkit-font-smoothing: antialiased; }
body.is-lightbox-open { overflow: hidden; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
button { font: inherit; }
p, h1, h2, h3, figure, blockquote { margin-top: 0; }
.skip-link { position: fixed; z-index: 1000; top: 12px; left: 12px; padding: 8px 14px; color: var(--night); background: var(--white); transform: translateY(-150%); transition: transform .2s; }
.skip-link:focus { transform: translateY(0); }

.hero { position: relative; min-height: 100svh; overflow: hidden; color: var(--white); background: linear-gradient(135deg, rgba(91, 68, 96, .35), rgba(48, 37, 54, .3)), url("../images/atmosphere/hero-moonlight.webp") center / cover no-repeat; background-blend-mode: color, normal; }
.hero::before { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(27, 20, 30, .2), rgba(57, 42, 62, .3) 27%, rgba(57, 42, 62, .34) 69%, rgba(27, 20, 30, .21)), linear-gradient(180deg, rgba(44, 33, 48, .01), rgba(34, 25, 38, .22)); }
.hero::after { content: ""; position: absolute; inset: 0; pointer-events: none; box-shadow: inset 0 -150px 130px rgba(21, 15, 25, .42); }
.hero__inner { position: relative; z-index: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; min-height: 100svh; padding: 92px 24px 80px; text-align: center; text-shadow: 0 3px 24px rgba(5, 3, 7, .68); }
.hero__invitation { margin-bottom: 24px; color: rgba(255, 250, 253, .86); font-family: var(--serif); font-size: clamp(12px, 1.1vw, 15px); line-height: 1.9; letter-spacing: .16em; }
.hero__title { margin-bottom: 22px; font-family: var(--serif); font-size: clamp(29px, 4.2vw, 57px); font-weight: 400; line-height: 1.6; letter-spacing: .065em; }
.hero__title span { color: #eadbed; }
.hero__lead { margin-bottom: 19px; color: rgba(255, 250, 253, .9); font-family: var(--serif); font-size: clamp(14px, 1.3vw, 17px); letter-spacing: .12em; }
.hero__message { margin-bottom: 28px; color: rgba(255, 250, 253, .86); font-family: var(--serif); font-size: 14px; line-height: 1.9; letter-spacing: .09em; }
.three-roles { display: flex; align-items: center; gap: clamp(15px, 2.4vw, 34px); margin-bottom: 20px; font-family: var(--serif); font-size: clamp(17px, 1.9vw, 22px); letter-spacing: .14em; }
.three-roles i { width: clamp(22px, 4vw, 48px); height: 1px; background: rgba(243, 230, 248, .62); }
.scroll-hint { position: absolute; bottom: 27px; left: 50%; width: 22px; height: 38px; transform: translateX(-50%); overflow: hidden; }
.scroll-hint i { display: block; width: 1px; height: 22px; margin: 0 auto; background: rgba(255, 255, 255, .75); animation: scrollLine 2.2s infinite; }

.section-light { padding: clamp(85px, 9vw, 120px) var(--side); background: linear-gradient(150deg, #fbf7fa 0%, #eee4ef 100%); }
.copy-column { width: min(100%, 680px); margin-inline: auto; text-align: left; }
.copy-column > p { margin-bottom: 1.5em; }
.section-title { margin-bottom: 0; color: #3c2a42; font-family: var(--serif); font-size: clamp(28px, 3.4vw, 43px); font-weight: 400; line-height: 1.65; letter-spacing: .08em; text-align: center; }
.ornament { position: relative; width: 1px; height: 58px; margin: 27px auto 45px; background: linear-gradient(transparent, rgba(94, 63, 106, .48), transparent); }
.ornament span { position: absolute; top: 25px; left: -4px; width: 9px; height: 9px; border: 1px solid rgba(94, 63, 106, .55); background: var(--paper); transform: rotate(45deg); }
.emphasis { color: #64476f; font-family: var(--serif); font-weight: 500; }
.roles-list { margin: 47px 0; border-top: 1px solid rgba(91, 61, 101, .18); }
.roles-list > div { display: grid; grid-template-columns: 52px 1fr; align-items: center; min-height: 82px; border-bottom: 1px solid rgba(91, 61, 101, .18); }
.roles-list span { color: var(--plum); font-family: var(--serif); }
.roles-list p { margin: 0; font-family: var(--serif); font-size: 16px; line-height: 1.8; }
.roles-list strong { color: #503759; font-weight: 500; }
.decision-note { margin: 45px 0 38px; padding: 32px 34px 28px; border-left: 3px solid #8a6994; background: rgba(255, 255, 255, .56); box-shadow: 0 14px 38px rgba(67, 44, 74, .07); }
.decision-note h3 { margin-bottom: 18px; color: #503759; font-family: var(--serif); font-size: 21px; font-weight: 500; letter-spacing: .07em; text-align: center; }
.decision-note p { margin-bottom: 1.15em; }
.decision-note p:last-child { margin-bottom: 0; color: #65486f; font-family: var(--serif); font-weight: 500; }

.atmosphere { overflow: hidden; background: var(--paper-2); }
.atmosphere__figure { position: relative; margin: 0; overflow: hidden; }
.atmosphere__figure::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 30%, rgba(18, 12, 22, .58)); }
.atmosphere__figure img { width: 100%; height: clamp(300px, 38vw, 500px); object-fit: cover; filter: saturate(.9) brightness(1.1); }
.atmosphere__figure figcaption { position: absolute; z-index: 1; right: 22px; bottom: clamp(28px, 4vw, 54px); left: 22px; color: #fff; font-family: var(--serif); font-size: clamp(21px, 2.8vw, 35px); line-height: 1.7; letter-spacing: .1em; text-align: center; text-shadow: 0 3px 22px #09060b; }

.product { --accent: #decce4; --base: #52375d; position: relative; overflow: hidden; padding: clamp(80px, 8vw, 110px) var(--side) clamp(85px, 9vw, 120px); color: #fffafd; background: radial-gradient(circle at 83% 10%, rgba(237, 214, 244, .24), transparent 30%), radial-gradient(circle at 8% 78%, rgba(227, 205, 235, .14), transparent 36%), linear-gradient(145deg, var(--base), #2c2033 78%); }
.product--black { --accent: #d7c3dd; --base: #48334f; }
.product--vessel { --accent: #ead8ef; --base: #654270; }
.product::after { content: ""; position: absolute; top: 0; left: var(--side); width: calc(100% - (2 * var(--side))); height: 1px; background: linear-gradient(90deg, transparent, rgba(255,255,255,.35), transparent); }
.product-hero { display: grid; grid-template-columns: minmax(280px, .78fr) minmax(430px, 1.22fr); grid-template-areas: "heading visual" "price visual"; align-items: center; gap: 0 clamp(48px, 6vw, 90px); width: min(100%, 1100px); margin: 0 auto clamp(65px, 7vw, 92px); }
.product-hero__heading { grid-area: heading; }
.product-index { display: inline-block; margin-bottom: 20px; padding: 4px 13px; border: 1px solid rgba(255,255,255,.28); border-radius: 999px; color: rgba(255,250,253,.86); font-family: var(--serif); font-size: 12px; letter-spacing: .1em; }
.product-role { margin-bottom: 10px; color: var(--accent); font-family: var(--serif); font-size: 14px; letter-spacing: .14em; }
.product-hero h2 { margin-bottom: 22px; font-family: var(--serif); font-size: clamp(34px, 3.7vw, 48px); font-weight: 400; line-height: 1.45; letter-spacing: .07em; }
.product-catch { margin: 0; font-family: var(--serif); font-size: clamp(16px, 1.4vw, 19px); line-height: 1.9; }
.product-visual { grid-area: visual; margin: 0; }
.image-zoom { position: relative; width: 100%; padding: 0; overflow: hidden; border: 1px solid rgba(255,255,255,.25); border-radius: 4px; color: #fff; background: #171119; cursor: zoom-in; box-shadow: 0 28px 70px rgba(13, 7, 16, .32); }
.image-zoom img { width: 100%; aspect-ratio: 1; object-fit: cover; transition: transform .7s var(--ease), filter .7s var(--ease); }
.image-zoom > span { position: absolute; right: 14px; bottom: 14px; display: grid; width: 39px; height: 39px; place-items: center; border: 1px solid rgba(255,255,255,.62); border-radius: 50%; background: rgba(26,17,30,.55); font-size: 20px; }
.image-zoom:hover img, .image-zoom:focus-visible img { transform: scale(1.025); filter: brightness(1.05); }
.product-hero__price { grid-area: price; align-self: end; padding-top: 24px; }
.product-hero__price > p { margin-bottom: 5px; color: rgba(255,250,253,.72); font-size: 11px; }
.product-hero__price strong { display: flex; align-items: baseline; gap: 7px; margin-bottom: 20px; font-family: var(--serif); font-size: clamp(25px, 2.4vw, 32px); font-weight: 400; letter-spacing: .06em; }
.product-hero__price small, .final-offer__price small { font-family: var(--sans); font-size: 11px; font-weight: 300; }
.product-hero__price .availability { margin: 0 0 16px; color: rgba(255,250,253,.72); font-size: 11px; line-height: 1.75; }
.product-body { width: min(100%, 800px); margin-inline: auto; }
.product-copy { width: min(100%, 680px); margin: 0 auto 58px; text-align: left; }
.product-copy h3, .for-you h3, .spec-care h3 { margin-bottom: 27px; color: #fffafd; font-family: var(--serif); font-size: clamp(22px, 2.5vw, 31px); font-weight: 400; line-height: 1.65; letter-spacing: .07em; text-align: center; }
.product-copy p { margin-bottom: 1.5em; }
.product .emphasis, .product blockquote { color: var(--accent); }
.for-you { position: relative; width: min(100%, 720px); margin: 0 auto 62px; padding: 38px clamp(25px, 5vw, 55px); border: 1px solid rgba(255,255,255,.3); background: rgba(255,252,255,.1); backdrop-filter: blur(5px); }
.for-you h3 { margin-bottom: 20px; font-size: 23px; }
.for-you ul { margin: 0; padding: 0; list-style: none; }
.for-you li { position: relative; padding: 12px 0 12px 23px; border-bottom: 1px solid rgba(255,255,255,.14); line-height: 1.8; }
.for-you li:last-child { border-bottom: 0; }
.for-you li::before { content: ""; position: absolute; top: 25px; left: 2px; width: 5px; height: 5px; border: 1px solid var(--accent); transform: rotate(45deg); }
.spec-care { display: grid; grid-template-columns: minmax(160px, .55fr) minmax(0, 1.45fr); gap: clamp(30px, 5vw, 60px); padding-top: 38px; border-top: 1px solid rgba(255,255,255,.2); }
.spec-care h3 { margin-bottom: 15px; font-size: 20px; text-align: left; }
.spec-care p { margin-bottom: .75em; font-size: 13px; line-height: 1.8; }
.spec { align-self: start; padding: 18px 20px; border: 1px solid rgba(255,255,255,.16); background: rgba(255,255,255,.06); }
.spec h3 { margin-bottom: 8px; color: rgba(255,250,253,.75); font-family: var(--sans); font-size: 12px; letter-spacing: .12em; }
.spec dl { margin: 0 0 6px; }
.spec dl div { display: flex; justify-content: space-between; padding: 5px 0; border-bottom: 1px solid rgba(255,255,255,.12); }
.spec dt { color: rgba(255,250,253,.62); font-size: 11px; }
.spec dd { margin: 0; font-family: var(--serif); font-size: 14px; }
.reflection-label { margin: 19px 0 0 !important; color: rgba(255,250,253,.7); font-size: 11px !important; letter-spacing: .09em; }
.care blockquote { margin: 25px 0 0; padding: 21px 0 21px 22px; border-left: 1px solid rgba(255,255,255,.42); font-family: var(--serif); font-size: 17px; line-height: 1.9; }
.cta { display: flex; align-items: center; justify-content: space-between; width: min(100%, 390px); min-height: 60px; padding: 13px 20px 13px 23px; border: 1px solid #78b69b; border-radius: 3px; color: #fff; background: linear-gradient(135deg, #347d60, #286b51); box-shadow: 0 9px 24px rgba(9, 43, 30, .24); font-family: var(--serif); font-size: 13px; font-weight: 500; letter-spacing: .07em; text-decoration: none; transition: transform .3s, background .3s, box-shadow .3s; }
.cta i { font-style: normal; font-size: 18px; transition: transform .3s; }
.cta:hover, .cta:focus-visible { background: linear-gradient(135deg, #409670, #2e795a); box-shadow: 0 12px 30px rgba(9, 43, 30, .32); transform: translateY(-2px); }
.cta:hover i, .cta:focus-visible i { transform: translateX(4px); }

.final { position: relative; overflow: hidden; padding: clamp(90px, 9vw, 125px) var(--side) clamp(85px, 9vw, 120px); color: #fffafd; background: #33263b url("../images/atmosphere/moonlit-path.webp") center / cover no-repeat; }
.final::before { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(34,23,40,.7), rgba(38,25,45,.82)), linear-gradient(90deg, rgba(34,23,40,.18), rgba(48,32,56,.48)); }
.final > * { position: relative; z-index: 1; }
.final .section-title { color: #fffafd; }
.final .ornament { background: linear-gradient(transparent, rgba(255,255,255,.62), transparent); }
.final .ornament span { border-color: rgba(255,255,255,.66); background: #4a3754; }
.final-offers { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; width: min(100%, 1080px); margin: 65px auto; }
.final-offer { padding: 26px 18px 28px; border: 1px solid rgba(255,255,255,.28); background: rgba(246,235,249,.14); backdrop-filter: blur(8px); text-align: center; box-shadow: 0 18px 46px rgba(14,8,17,.2); }
.final-offer__image { width: min(100%, 240px); height: auto; margin: 0 auto 22px; object-fit: contain; }
.final-offer__role { margin-bottom: 8px; color: #ead9ef; font-family: var(--serif); font-size: 12px; }
.final-offer h3 { margin-bottom: 12px; font-family: var(--serif); font-size: 21px; font-weight: 400; letter-spacing: .07em; }
.final-offer__price { margin-bottom: 19px; font-family: var(--serif); font-size: 17px; }
.final-offer .cta { min-height: 55px; font-size: 12px; text-align: left; }
.final-message blockquote { margin: 55px 0; color: #ead6ef; font-family: var(--serif); font-size: clamp(20px, 2.5vw, 28px); line-height: 1.8; text-align: center; }
.signature { margin: 0; font-family: var(--serif); font-size: 23px; letter-spacing: .13em; text-align: center; }
.signature span { margin-right: 12px; color: rgba(255,255,255,.65); font-family: var(--sans); font-size: 10px; }

.lightbox { width: min(92vw, 850px); max-width: none; padding: 0; border: 1px solid rgba(255,255,255,.25); background: #120d16; box-shadow: 0 30px 100px rgba(0,0,0,.65); }
.lightbox::backdrop { background: rgba(7,5,9,.88); backdrop-filter: blur(8px); }
.lightbox img { width: 100%; max-height: 85vh; object-fit: contain; }
.lightbox__close { position: absolute; z-index: 2; top: 13px; right: 13px; display: grid; width: 44px; height: 44px; padding: 0; place-items: center; border: 1px solid rgba(255,255,255,.5); border-radius: 50%; color: #fff; background: rgba(13,9,16,.62); cursor: pointer; }
.reveal { opacity: 0; transform: translateY(17px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }
.sp-only { display: none; }
@keyframes scrollLine { 0% { transform: translateY(-100%); } 70%, 100% { transform: translateY(200%); } }

@media (max-width: 900px) {
  :root { --side: 6vw; }
  .product-hero { grid-template-columns: minmax(230px, .78fr) minmax(350px, 1.22fr); gap: 0 5vw; }
  .final-offers { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
  .final-offer { padding: 9px 9px 18px; }
  .final-offer h3 { font-size: 17px; }
  .final-offer .cta { padding-inline: 14px; font-size: 11px; }
}

@media (max-width: 700px) {
  :root { --side: 23px; }
  body { font-size: 15px; line-height: 1.95; letter-spacing: .03em; }
  .hero { background-position: 43% center; }
  .hero::before { background: rgba(53,40,58,.42); }
  .hero__inner { padding: 72px 20px 75px; }
  .hero__invitation { margin-bottom: 19px; font-size: 11px; }
  .hero__title { margin-bottom: 18px; font-size: clamp(20px, 6.4vw, 28px); line-height: 1.72; letter-spacing: 0; white-space: nowrap; }
  .hero__lead { margin-bottom: 16px; font-size: 13px; }
  .hero__message { margin-bottom: 23px; font-size: 12px; letter-spacing: .05em; }
  .three-roles { gap: 11px; font-size: 16px; letter-spacing: .06em; }
  .three-roles i { width: 15px; }
  .section-light { padding-top: 75px; padding-bottom: 80px; }
  .section-title { font-size: 27px; line-height: 1.65; letter-spacing: .045em; }
  .ornament { height: 48px; margin-bottom: 36px; }
  .ornament span { top: 20px; }
  .copy-column > p { margin-bottom: 1.35em; }
  .roles-list { margin: 38px 0; }
  .roles-list > div { grid-template-columns: 37px 1fr; padding: 13px 0; }
  .roles-list p { font-size: 14px; }
  .decision-note { margin: 34px 0 31px; padding: 27px 22px 24px; }
  .decision-note h3 { font-size: 19px; }
  .atmosphere__figure img { height: 300px; }
  .atmosphere__figure figcaption { bottom: 28px; font-size: 20px; }
  .product { padding-top: 72px; padding-bottom: 78px; }
  .product-hero { display: flex; flex-direction: column; align-items: stretch; margin-bottom: 58px; }
  .product-hero__heading { text-align: center; }
  .product-index { margin-bottom: 16px; }
  .product-role { margin-bottom: 8px; }
  .product-hero h2 { margin-bottom: 17px; font-size: 33px; }
  .product-catch { margin-bottom: 30px; font-size: 15px; }
  .product-visual { order: 2; }
  .product-hero__price { order: 3; padding-top: 25px; text-align: center; }
  .product-hero__price strong { justify-content: center; margin-bottom: 16px; }
  .product-hero__price .cta { margin-inline: auto; }
  .product-copy { margin-bottom: 45px; }
  .product-copy h3, .for-you h3, .spec-care h3 { margin-bottom: 22px; font-size: 22px; }
  .for-you { margin-bottom: 48px; padding: 30px 22px; }
  .for-you li { padding-left: 21px; font-size: 13px; }
  .spec-care { grid-template-columns: 1fr; gap: 34px; padding-top: 34px; }
  .spec { width: min(100%, 300px); margin-inline: auto; padding: 15px 18px; }
  .spec-care h3 { font-size: 19px; }
  .spec h3 { font-size: 11px; }
  .care blockquote { font-size: 16px; }
  .final { padding-top: 78px; padding-bottom: 78px; background-position: center; }
  .final-offers { grid-template-columns: 1fr; gap: 20px; width: min(100%, 430px); margin: 52px auto; }
  .final-offer { padding: 25px 16px 27px; }
  .final-offer__image { width: min(100%, 270px); height: auto; margin-bottom: 20px; }
  .final-offer h3 { font-size: 21px; }
  .final-offer .cta { width: min(100%, 340px); padding-inline: 19px; font-size: 12px; }
  .final-message blockquote { margin: 45px 0; }
  .signature { font-size: 20px; }
  .sp-only { display: initial; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}