@charset "UTF-8";
:root {
  --paper: #f7f3ee;
  --white: #fffdfb;
  --ink: #242421;
  --muted: #6d6b66;
  --line: #dfd8d0;
  --gold: #d4ad78;
  --blush: #e7d4ca;
  --radius: 18px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font: 400 16px/1.75 "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif; -webkit-font-smoothing: antialiased; }
button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; }
img { max-width: 100%; }
:focus-visible { outline: 3px solid #a56837; outline-offset: 4px; }
.shell { width: min(1160px, calc(100% - 64px)); margin-inline: auto; }
.skip-link { position: fixed; left: 20px; top: -60px; z-index: 100; padding: 8px 16px; background: var(--ink); color: #fff; }
.skip-link:focus { top: 12px; }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.eyebrow, .micro-label { font-size: .76rem; font-weight: 700; letter-spacing: .15em; line-height: 1.4; }
.eyebrow { margin: 0 0 22px; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { letter-spacing: -.04em; }
h1 { font-size: clamp(2.55rem, 4.2vw, 4.1rem); line-height: 1.35; font-weight: 680; }
h2 { font-size: clamp(2.1rem, 3.3vw, 3.35rem); line-height: 1.38; font-weight: 650; }
h3 { line-height: 1.3; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 24px; min-height: 50px; padding: 10px 26px; border: 1px solid transparent; border-radius: 999px; font-size: .92rem; font-weight: 700; text-decoration: none; transition: transform .2s ease, background .2s ease, box-shadow .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-dark { background: var(--ink); color: #fff; box-shadow: 0 9px 22px #2424211b; }
.button-dark:hover { background: #48413c; }
.button-light { background: #fff; border-color: #ded8d1; }
.button-light:hover { background: #fbf5ed; }
.button span { font-size: 1.1em; font-weight: 400; }

.site-header { position: sticky; top: 0; z-index: 20; background: #f7f3eedf; backdrop-filter: blur(18px); border-bottom: 1px solid transparent; transition: box-shadow .2s, border-color .2s; }
.site-header[data-elevated="true"] { border-color: #e6dfd6; box-shadow: 0 5px 22px #3028200b; }
.header-inner { display: flex; min-height: 88px; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 12px; flex: 0 0 auto; text-decoration: none; line-height: 1.1; }
.brand strong { display: block; font-size: 1.4rem; font-weight: 650; letter-spacing: .26em; }
.brand small { display: block; margin-top: 6px; font-size: .72rem; letter-spacing: .07em; }
.brand-mark { position: relative; display: block; width: 25px; height: 29px; }
.brand-mark i, .mark-glyph i { position: absolute; width: 22px; height: 13px; background: var(--ink); clip-path: polygon(0 0,100% 18%,78% 100%,0 82%); }
.brand-mark i:first-child { top: 0; left: 1px; }
.brand-mark i:last-child { bottom: 0; left: 1px; transform: rotate(180deg); }
.site-nav { display: flex; align-items: center; gap: clamp(15px,2.2vw,31px); }
.site-nav a { text-decoration: none; font-size: .82rem; font-weight: 650; white-space: nowrap; transition: color .2s; }
.site-nav a:hover { color: #986e45; }
.site-nav .nav-about { padding: 7px 20px; color: #fff; border-radius: 999px; background: var(--ink); }
.site-nav .nav-about:hover { color: #fff; background: #50473f; }

.hero { overflow: hidden; background: radial-gradient(ellipse at 73% 41%, #f1e3d7 0%, transparent 36%), var(--paper); }
.hero-grid { display: grid; grid-template-columns: 1fr 1fr; align-items: center; min-height: 620px; }
.hero-copy { position: relative; z-index: 2; padding: 88px 0 70px; }
.eyebrow-line { display: inline-block; width: 24px; height: 1px; margin: 0 8px 4px 0; background: var(--ink); }
.hero-copy h1 { margin-bottom: 24px; }
.hero-lead { max-width: 465px; color: #55534e; font-size: 1rem; line-height: 2.05; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 30px 0 50px; }
.hero-note { font-size: .75rem; letter-spacing: .14em; color: #6b655f; text-transform: uppercase; }
.hero-visual { align-self: stretch; position: relative; min-height: 620px; }
.hero-orbit { position: absolute; width: 590px; height: 590px; border: 1px solid #d6c7b8; border-radius: 50%; left: 3%; top: 50%; transform: translateY(-50%); opacity: .55; }
.hero-orbit-two { width: 460px; height: 460px; left: 15%; opacity: .36; }
.hero-orbit-point { position: absolute; top: 23%; right: 7%; width: 9px; height: 9px; background: var(--gold); border-radius: 50%; }
.hero-character { position: absolute; z-index: 1; width: min(94%, 520px); height: 620px; object-fit: contain; object-position: bottom; bottom: 0; left: 8%; filter: drop-shadow(0 24px 20px #55463c25); }
.hero-bubble { position: absolute; z-index: 2; right: 0; top: 51%; display: flex; align-items: flex-start; gap: 12px; max-width: 252px; padding: 20px 22px; border: 1px solid #e9e2da; border-radius: 18px; background: #fffdfbea; box-shadow: 0 18px 40px #4f453218; }
.hero-bubble p { margin: 0; font-size: .82rem; line-height: 1.7; }
.ph { display: inline-block; }
.hero-caption { margin: 0 auto; padding: 0 0 18px; color: #625b54; font-size: .75rem; line-height: 1.5; text-align: right; }
.bubble-mark { color: #b88c51; font-size: 1.2rem; }

.section { padding: 110px 0; scroll-margin-top: 90px; }
.section-head { display: flex; justify-content: space-between; align-items: end; gap: 20px; margin-bottom: 38px; }
.section-head h2 { margin-bottom: 0; }
.text-link, .product-link { display: inline-flex; min-height: 44px; gap: 14px; align-items: center; font-size: .85rem; font-weight: 700; text-decoration: none; border-bottom: 1px solid currentColor; padding-bottom: 3px; }
.text-link:hover, .product-link:hover { color: #9b6e3e; }
.products-section { background: var(--white); }
.product-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 30px; }
.product-card { min-width: 0; }
.product-image { position: relative; display: block; overflow: hidden; aspect-ratio: 1.55; border: 1px solid #e8e3dc; border-radius: var(--radius); text-decoration: none; }
.product-image-vtech { background: #d9d5d0; }
.product-image-loafer { background: #ede4db; }
.product-image img { position: absolute; inset: 0; z-index: 1; width: 100%; height: 100%; object-fit: cover; transition: transform .45s ease; }
.product-image:hover img { transform: scale(1.035); }
.product-image.has-image-error img { display: none; }
.image-fallback { position: absolute; left: 10%; top: 46%; color: #292725; font-size: clamp(1.6rem,3vw,3rem); font-weight: 650; letter-spacing: -.04em; }
.product-corner { position: absolute; z-index: 2; right: 15px; top: 15px; display: grid; place-items: center; width: 36px; height: 36px; border-radius: 50%; background: #fff; font-size: 1.2rem; box-shadow: 0 2px 12px #00000012; }
.product-meta { display: flex; justify-content: space-between; gap: 12px; margin-top: 23px; color: #625b54; font-size: .75rem; font-weight: 700; letter-spacing: .11em; }
.product-card h3 { margin: 9px 0 8px; font-size: 1.8rem; }
.product-card > p { margin-bottom: 14px; color: var(--muted); font-size: .94rem; }
.product-tags { display: flex; flex-wrap: wrap; gap: 7px; margin: 16px 0 20px; }
.product-tags span { padding: 4px 10px; border-radius: 6px; background: #f3f0eb; font-size: .75rem; font-weight: 650; }
.product-footnote { margin: 25px 0 0; color: #625d57; font-size: .8rem; }
.series-section { background: #eae4dc; }
.series-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 70px; }
.series-intro p:last-child { max-width: 360px; color: #68625d; }
.series-list { border-top: 1px solid #bfb6ac; }
.series-row { display: grid; grid-template-columns: 38px 1fr auto; align-items: start; gap: 20px; padding: 32px 0; border-bottom: 1px solid #bfb6ac; }
.series-row h3 { margin: 0 0 9px; font-size: 1.45rem; }
.series-row p { margin: 0; color: #625e58; font-size: .9rem; }
.series-number, .series-end { color: #5f574e; font-size: .75rem; font-weight: 700; letter-spacing: .1em; }
.series-number { padding-top: 6px; }
.series-end { padding-top: 9px; text-align: right; }
.development-section { background: #f8f4ef; }
.development-grid, .about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; }
.development-grid > div:last-child, .about-grid > div:last-child { max-width: 480px; padding-top: 32px; color: #5c5853; line-height: 2; }
.development-note { display: inline-block; margin: 15px 0 0; padding-top: 20px; border-top: 1px solid #d7d0c8; font-size: .86rem; color: #5f574f; }

.ask-section { background: #21211f; color: #fff; overflow: hidden; }
.ask-grid { display: grid; grid-template-columns: .86fr 1.14fr; gap: 75px; align-items: center; }
.ask-intro h2 { margin-bottom: 24px; font-size: clamp(1.8rem, 2.6vw, 2.75rem); }
.ask-intro > p:not(.eyebrow) { max-width: 370px; color: #c3c0b9; line-height: 1.95; }
.ask-illustration { display: flex; align-items: center; gap: 16px; margin-top: 50px; color: #c5b8a3; font-size: .72rem; font-weight: 700; letter-spacing: .12em; }
.ask-star { font-size: 3.4rem; color: #d3ae79; line-height: 1; }
.ask-card { padding: 28px; border: 1px solid #514d47; border-radius: 20px; background: #2c2b29; box-shadow: 0 25px 60px #00000026; }
.ask-topline { display: flex; justify-content: space-between; align-items: center; padding-bottom: 17px; border-bottom: 1px solid #514d47; font-size: .95rem; }
.state-label { display: inline-flex; gap: 7px; align-items: center; color: #d4c3aa; font-size: .73rem; }
.state-label::before { content: ""; width: 6px; height: 6px; background: #d4b07b; border-radius: 50%; }
.ask-messages { display: flex; flex-direction: column; gap: 13px; min-height: 180px; max-height: 265px; overflow: auto; padding: 20px 3px; scrollbar-color: #756c61 transparent; }
.message { width: fit-content; max-width: min(90%,390px); padding: 13px 16px; border-radius: 13px; font-size: .85rem; line-height: 1.7; }
.message p { margin: 0; white-space: pre-wrap; overflow-wrap: anywhere; }
.message-answer { align-self: flex-start; background: #f8f5f0; color: #282724; border-top-left-radius: 3px; }
.message-user { align-self: flex-end; color: #fff; background: #58534d; border-top-right-radius: 3px; }
.message-speaker { display: block; margin-bottom: 5px; color: #7a5336; font-size: .75rem; font-weight: 800; letter-spacing: .12em; }
.message-source { display: inline-block; margin-top: 8px; color: #6d4f33; text-decoration: underline; font-size: .76rem; }
.question-chips { display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 14px; }
.question-chips button { min-height: 40px; padding: 6px 14px; color: #eee9e1; background: #46443f; border: 1px solid #5f5a51; border-radius: 999px; cursor: pointer; font-size: .75rem; }
.question-chips button:hover { background: #625b50; }
.ask-form { display: flex; gap: 8px; padding: 6px; background: #3e3c38; border: 1px solid #625e58; border-radius: 12px; }
.ask-form input { min-width: 0; flex: 1; padding: 8px 10px; background: transparent; color: #fff; border: 0; outline: none; font-size: 1rem; }
.ask-form input::placeholder { color: #c4bcb0; }
.ask-form:focus-within { outline: 2px solid #d4ad78; }
.ask-form button { flex: 0 0 auto; padding: 8px 18px; background: #f8f5f0; border: 0; border-radius: 8px; cursor: pointer; font-size: .82rem; font-weight: 700; }
.ask-form button:hover { background: #e9d9c6; }
.form-note { margin: 12px 3px 0; color: #a9a49c; font-size: .72rem; }
.about-section { background: #fffdfb; }
.about-grid .button { margin-top: 15px; }
.site-footer { background: #f2ede7; border-top: 1px solid #e1dad2; }
.footer-inner { display: grid; grid-template-columns: 1fr auto; gap: 24px; align-items: center; padding-top: 35px; padding-bottom: 35px; }
.footer-brand { font-weight: 700; font-size: 1.1rem; letter-spacing: .2em; }
.footer-brand small { display: block; color: #6e6963; font-size: .72rem; letter-spacing: .03em; }
.footer-inner nav { display: flex; flex-wrap: wrap; gap: 18px; }
.footer-inner nav a { font-size: .72rem; text-decoration: none; }
.footer-inner nav a:hover { text-decoration: underline; }
.footer-inner > p { grid-column: 1/-1; margin: 0; color: #6e675f; font-size: .75rem; }
.floating-mark { position: fixed; right: 24px; bottom: 22px; z-index: 30; }
.mark-button { display: grid; place-items: center; width: 54px; height: 54px; background: #242421; border: 1px solid #514839; border-radius: 18px; box-shadow: 0 8px 24px #0000002b; cursor: pointer; }
.mark-glyph { position: relative; width: 24px; height: 28px; }
.mark-glyph i { background: #f7f3ee; width: 22px; height: 12px; }
.mark-glyph i:first-child { top: 1px; }
.mark-glyph i:last-child { bottom: 1px; transform: rotate(180deg); }
.floating-mark[data-state="guide"] .mark-button, .floating-mark[data-state="answer"] .mark-button { border-color: #d6ac70; box-shadow: 0 0 0 4px #d6ac702b, 0 8px 24px #0000002b; }
.floating-mark[data-state="thinking"] .mark-glyph { animation: breathe 1.2s ease-in-out infinite; }
.floating-mark[data-state="unknown"] .mark-button { border-color: #a6a19a; }
.floating-mark[data-hidden="true"] { display: none; }
.mark-panel { position: absolute; right: 0; bottom: 66px; width: 220px; padding: 16px 18px; background: #fffdfb; border: 1px solid var(--line); border-radius: 14px; box-shadow: 0 16px 35px #00000020; }
.mark-panel[hidden] { display: none; }
.mark-panel .micro-label { margin: 0 0 7px; color: #7a5a3c; font-size: .75rem; }
.mark-panel strong { font-size: .98rem; }
.mark-panel p { margin: 4px 0 0; color: #57524c; font-size: .8rem; }
.mark-panel-link { display: inline-flex; align-items: center; min-height: 44px; margin-top: 8px; font-size: .8rem; font-weight: 700; }
@keyframes breathe { 50% { opacity: .55; transform: scale(.88); } }

@media (max-width: 900px) {
  .header-inner { flex-wrap: wrap; justify-content: center; padding: 15px 0 12px; min-height: 0; }
  .site-nav { justify-content: center; flex-wrap: wrap; row-gap: 9px; }
  .hero-grid { min-height: 550px; }
  .hero-visual { min-height: 550px; }
  .hero-character { height: 540px; width: 110%; left: -7%; }
  .hero-bubble { top: 60%; right: -7%; padding: 13px; }
  .series-grid, .ask-grid { gap: 36px; }
}
@media (max-width: 680px) {
  .shell { width: min(100% - 36px, 540px); }
  .header-inner { align-items: flex-start; justify-content: flex-start; gap: 12px; }
  .brand strong { font-size: 1.1rem; }
  .brand small { font-size: .72rem; }
  .site-nav { width: 100%; justify-content: flex-start; flex-wrap: nowrap; gap: 20px; overflow-x: auto; padding: 5px 0 9px; scrollbar-width: none; }
  .site-nav::-webkit-scrollbar { display: none; }
  .site-nav a { font-size: .75rem; }
  .site-nav .nav-about { padding: 0; color: var(--ink); background: none; }
  .site-nav .nav-about:hover { color: #986e45; background: none; }
  .hero-grid { grid-template-columns: 1fr; min-height: auto; }
  .hero-copy { padding: 55px 0 0; }
  .hero-copy h1 { font-size: clamp(1.75rem, 7.4vw, 3.2rem); }
  .nav-dev { display: none; }
  .hero-lead { font-size: .94rem; }
  .hero-actions { margin: 24px 0 0; }
  .hero-note { display: none; }
  .hero-visual { min-height: 465px; }
  .hero-character { width: 100%; height: 465px; left: 0; }
  .hero-orbit { width: 420px; height: 420px; left: calc(50% - 210px); }
  .hero-orbit-two { width: 310px; height: 310px; left: calc(50% - 155px); }
  .hero-bubble { top: 46%; right: 0; max-width: 176px; padding: 12px 14px; }
  .hero-caption { text-align: left; }
  .hero-bubble p { font-size: .75rem; }
  .section { padding: 75px 0; scroll-margin-top: 115px; }
  .section-head { align-items: start; flex-direction: column; }
  .product-grid, .series-grid, .development-grid, .ask-grid, .about-grid { grid-template-columns: 1fr; gap: 32px; }
  .product-grid { gap: 55px; }
  .product-image { aspect-ratio: 1.4; }
  .series-row { grid-template-columns: 28px 1fr; gap: 10px; }
  .series-end { grid-column: 2; padding: 0; text-align: left; }
  .development-grid > div:last-child, .about-grid > div:last-child { padding-top: 0; }
  .ask-illustration { display: none; }
  .ask-card { padding: 18px; }
  .ask-messages { min-height: 155px; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-inner > p { grid-column: 1; }
  .floating-mark { right: 14px; bottom: 14px; }
  .mark-button { width: 46px; height: 46px; border-radius: 15px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; } }

/* ヒーロー画像・吹き出しからFAQチャットを開けることを案内 */
.hero-chat-hint { display: block; margin-top: 7px; color: #896337; font-size: .73rem; font-weight: 700; }


/* New sneaker announcement — independent component for easy removal/update. */
.sneaker-teaser { background: #252827; color: #f7f3ee; scroll-margin-top: 90px; overflow: hidden; }
.sneaker-teaser-inner { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(28px,5vw,80px); align-items: center; padding-block: clamp(58px,7vw,100px); }
.sneaker-teaser-copy { min-width: 0; }
.sneaker-teaser-kicker { display: flex; align-items: center; gap: 11px; margin-bottom: 28px; font-size: .73rem; font-weight: 700; letter-spacing: .18em; color: #e6c6a1; }
.sneaker-teaser-dot { display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: #e6c6a1; }
.sneaker-teaser h2 { margin: 0 0 27px; font-size: clamp(3.7rem,8vw,7.5rem); font-weight: 650; letter-spacing: -.075em; line-height: .94; }
.sneaker-teaser-period { color: #d4ad78; }
.sneaker-teaser-jp { margin: 0 0 12px; font-size: clamp(1.1rem,1.8vw,1.4rem); font-weight: 650; letter-spacing: .03em; }
.sneaker-teaser-desc { max-width: 470px; color: #d0d0c9; font-size: .91rem; line-height: 1.95; }
.sneaker-teaser-link { display: inline-flex; align-items: center; gap: 24px; margin-top: 18px; padding: 12px 0; border-bottom: 1px solid #c8aa85; color: #f7f3ee; text-decoration: none; font-size: .88rem; font-weight: 650; }
.sneaker-teaser-link:hover { color: #e6c6a1; }
.sneaker-teaser-art { position: relative; display: flex; flex-direction: column; align-items: center; justify-content: center; isolation: isolate; min-height: 360px; aspect-ratio: 1.2; overflow: hidden; border: 1px solid #555a56; border-radius: 18px; background: radial-gradient(ellipse at 70% 30%, #454844 0%, #303432 48%, #292c2a 100%); }
.sneaker-teaser-ring { position: absolute; z-index: -1; width: 70%; aspect-ratio: 1; border: 1px solid #77776b88; border-radius: 50%; box-shadow: 0 0 0 45px #ffffff05, 0 0 0 90px #ffffff04; }
.sneaker-teaser-art-label { text-align: center; font-size: clamp(1rem,2vw,1.35rem); letter-spacing: .25em; line-height: 1.8; font-weight: 650; color: #e8e2d7; }
.sneaker-teaser-art-index { position: absolute; bottom: 20px; left: 24px; font-size: .65rem; letter-spacing: .15em; color: #b9b8b0; }
@media (max-width: 760px) {
  .sneaker-teaser-inner { grid-template-columns: 1fr; gap: 30px; padding-block: 60px; }
  .sneaker-teaser h2 { font-size: clamp(3.8rem,15vw,6rem); }
  .sneaker-teaser-art { min-height: 240px; aspect-ratio: 1.45; }
}
@media (prefers-reduced-motion: reduce) { .sneaker-teaser-link { transition: none; } }

.sneaker-teaser-art img { display:block; width:100%; height:100%; position:absolute; inset:0; object-fit:cover; object-position:center; }
.sneaker-teaser-art-index { z-index:1; text-shadow:0 1px 8px #000; }