:root {
  --ink: #181512;
  --muted: #746e67;
  --line: #e5ded3;
  --paper: #f8f5ef;
  --white: #fff;
  --red: #8a1f2d;
  --red-dark: #671520;
  --gold: #b18a44;
  --black: #161412;
  --shadow: 0 20px 55px rgba(44, 31, 17, .09);
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: "Yu Gothic", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif; -webkit-font-smoothing: antialiased; }
button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; }
img { display: block; max-width: 100%; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

.site-header { height: 82px; display: flex; align-items: center; gap: 32px; padding: 0 clamp(20px, 4vw, 72px); background: rgba(248, 245, 239, .95); border-bottom: 1px solid rgba(138, 31, 45, .12); position: sticky; top: 0; z-index: 20; backdrop-filter: blur(12px); }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; margin-right: auto; }
.brand-mark { width: 44px; height: 44px; border-radius: 50% 50% 48% 48%; display: grid; place-items: center; color: #fff; background: var(--red); border: 3px double rgba(255,255,255,.65); font-family: "Yu Mincho", "Hiragino Mincho ProN", serif; font-size: 20px; }
.brand strong, .brand small { display: block; }
.brand strong { letter-spacing: .08em; font-family: "Yu Mincho", "Hiragino Mincho ProN", serif; font-size: 17px; }
.brand small { color: var(--muted); font-size: 10px; letter-spacing: .16em; margin-top: 3px; }
nav { display: flex; gap: 28px; }
nav a, .footer-links a { text-decoration: none; font-size: 13px; font-weight: 700; }
nav a:hover, .footer-links a:hover { color: var(--red); }
.header-cta { color: #fff; background: var(--black); text-decoration: none; padding: 12px 18px; border-radius: 3px; font-size: 12px; font-weight: 700; letter-spacing: .04em; }

.hero { min-height: 680px; max-width: 1480px; margin: 0 auto; padding: 72px clamp(24px, 7vw, 112px) 84px; display: grid; grid-template-columns: .92fr 1.08fr; align-items: center; gap: clamp(44px, 7vw, 110px); position: relative; overflow: hidden; }
.hero::before { content: "二〇二七"; position: absolute; left: -18px; top: 120px; writing-mode: vertical-rl; font-family: "Yu Mincho", serif; font-size: 110px; letter-spacing: .15em; color: rgba(138,31,45,.035); pointer-events: none; }
.eyebrow { margin: 0 0 15px; color: var(--red); font-size: 11px; font-weight: 800; letter-spacing: .24em; text-transform: uppercase; }
.hero h1 { margin: 0; font-family: "Yu Mincho", "Hiragino Mincho ProN", serif; font-size: clamp(42px, 5vw, 72px); font-weight: 500; line-height: 1.25; letter-spacing: .03em; }
.hero h1 em { color: var(--red); font-style: normal; }
.lead { max-width: 570px; color: #5f5952; font-size: 15px; line-height: 2; margin: 28px 0 31px; }
.hero-actions { display: flex; align-items: center; gap: 26px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 48px; padding: 0 24px; border: 0; border-radius: 3px; text-decoration: none; font-weight: 800; font-size: 13px; cursor: pointer; transition: transform .2s, background .2s, opacity .2s; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: #fff; background: var(--red); }
.button-primary:hover { background: var(--red-dark); }
.text-link { color: var(--red); font-size: 13px; font-weight: 800; text-underline-offset: 5px; }
.trust-list { display: flex; flex-wrap: wrap; gap: 8px 20px; list-style: none; padding: 0; margin: 35px 0 0; color: var(--muted); font-size: 12px; }
.trust-list li::before { content: "✓"; color: var(--gold); font-weight: 900; margin-right: 7px; }
.hero-visual { position: relative; background: #fff; border: 1px solid var(--line); min-height: 500px; display: grid; place-items: center; box-shadow: var(--shadow); }
.hero-visual::before, .hero-visual::after { content: ""; position: absolute; inset: 16px; border: 1px solid rgba(177,138,68,.24); pointer-events: none; }
.hero-visual::after { inset: 22px; border-color: rgba(138,31,45,.09); }
.hero-visual img { width: min(95%, 660px); aspect-ratio: 1; object-fit: contain; }
.hero-label { position: absolute; z-index: 2; top: -1px; left: 34px; background: var(--red); color: #fff; padding: 10px 15px; font-size: 11px; letter-spacing: .08em; }
.hero-note { position: absolute; z-index: 2; right: 0; bottom: 0; background: var(--black); color: #fff; padding: 15px 19px; text-align: right; }
.hero-note strong, .hero-note span { display: block; }
.hero-note strong { font-size: 10px; color: #d7c29a; letter-spacing: .12em; }
.hero-note span { margin-top: 3px; font-family: "Yu Mincho", serif; font-size: 19px; }

.section { padding: 92px clamp(20px, 5vw, 78px); }
.catalog { background: #fff; }
.section-heading { max-width: 1300px; margin: 0 auto 38px; display: flex; align-items: end; justify-content: space-between; gap: 30px; }
.section-heading h2 { margin: 0; font-family: "Yu Mincho", serif; font-size: clamp(34px, 4vw, 50px); font-weight: 500; letter-spacing: .05em; }
.section-heading > p { max-width: 520px; margin: 0 0 5px; color: var(--muted); font-size: 13px; line-height: 1.8; }
.catalog-tools { max-width: 1300px; margin: 0 auto 14px; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 18px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.filters { display: flex; flex-wrap: wrap; gap: 8px; }
.filter { appearance: none; border: 1px solid var(--line); background: #fff; color: #5b554f; border-radius: 999px; padding: 9px 14px; cursor: pointer; font-size: 12px; font-weight: 700; }
.filter span { margin-left: 4px; color: #a29b92; font-size: 10px; }
.filter:hover, .filter.is-active { border-color: var(--red); color: var(--red); background: #fff7f7; }
.search-box { min-width: 265px; position: relative; }
.search-box svg { width: 17px; position: absolute; left: 13px; top: 50%; transform: translateY(-50%); fill: none; stroke: #8c857e; stroke-width: 1.8; }
.search-box input { width: 100%; height: 42px; border: 1px solid var(--line); border-radius: 3px; padding: 0 14px 0 40px; outline: none; background: #fbfaf8; font-size: 12px; }
.search-box input:focus { border-color: var(--red); box-shadow: 0 0 0 3px rgba(138,31,45,.08); }
.result-status { max-width: 1300px; margin: 18px auto 14px; color: var(--muted); font-size: 11px; }
.product-grid { max-width: 1300px; margin: 0 auto; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px 18px; }
.product-card { min-width: 0; border: 1px solid var(--line); background: #fff; transition: transform .25s, box-shadow .25s, border-color .25s; }
.product-card:hover { transform: translateY(-4px); box-shadow: 0 16px 38px rgba(42,32,20,.09); border-color: #d4c8b7; }
.image-button { position: relative; width: 100%; aspect-ratio: 1; border: 0; border-bottom: 1px solid #eee8df; padding: 0; background: #f7f5f1; overflow: hidden; cursor: zoom-in; }
.image-button img { width: 100%; height: 100%; object-fit: contain; transition: transform .35s; }
.image-button:hover img { transform: scale(1.035); }
.image-button span { position: absolute; right: 10px; bottom: 10px; color: #fff; background: rgba(19,17,15,.78); border-radius: 2px; padding: 6px 9px; font-size: 9px; opacity: 0; transform: translateY(4px); transition: .2s; }
.image-button:hover span { opacity: 1; transform: none; }
.card-body { padding: 17px 16px 16px; }
.card-topline { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.category-tag { color: var(--red); font-size: 10px; font-weight: 800; letter-spacing: .13em; }
.product-code { color: #aca49a; font-size: 9px; }
.card-body h3 { margin: 9px 0 7px; font-family: "Yu Mincho", serif; font-size: 22px; font-weight: 600; }
.product-mood { min-height: 36px; margin: 0; color: var(--muted); font-size: 11px; line-height: 1.65; }
.mini-specs { list-style: none; display: flex; flex-wrap: wrap; gap: 5px; padding: 0; margin: 13px 0; }
.mini-specs li { background: #f4f0e9; color: #67615a; padding: 5px 7px; border-radius: 2px; font-size: 9px; }
.card-price { display: flex; align-items: baseline; gap: 3px; margin: 2px 0 14px; }
.card-price small { font-size: 9px; color: var(--muted); margin-right: 3px; }
.card-price strong { font-family: Arial, sans-serif; font-size: 23px; }
.card-price span { font-size: 11px; font-weight: 700; }
.card-actions { display: grid; grid-template-columns: 41px 1fr; gap: 7px; }
.compare-toggle { width: 41px; min-height: 41px; border: 1px solid var(--line); border-radius: 3px; background: #fff; cursor: pointer; color: var(--muted); }
.compare-toggle::before { content: "+"; font-size: 18px; }
.compare-toggle::after { content: "比較"; display: block; font-size: 8px; margin-top: -2px; }
.compare-toggle:hover { color: var(--red); border-color: var(--red); }
.compare-toggle.is-selected { background: var(--red); color: #fff; border-color: var(--red); }
.compare-toggle.is-selected::before { content: "✓"; font-size: 14px; }
.buy-link { display: flex; align-items: center; justify-content: center; gap: 6px; min-height: 41px; background: var(--black); color: #fff; border-radius: 3px; text-decoration: none; font-size: 11px; font-weight: 800; }
.buy-link:hover { background: var(--red); }
.empty-state { max-width: 1300px; margin: 30px auto; padding: 60px 20px; text-align: center; background: var(--paper); color: var(--muted); }
.empty-state strong, .empty-state span { display: block; }
.empty-state strong { color: var(--ink); margin-bottom: 8px; }

.guide { color: #fff; background: var(--black); }
.section-heading.light .eyebrow { color: #d8bc83; }
.section-heading.light > p { color: #bbb4ac; }
.guide-grid { max-width: 1300px; margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.price-panel, .option-panel { padding: clamp(28px, 4vw, 50px); border: 1px solid #38332d; background: #1d1a17; }
.panel-kicker { color: #d8bc83; margin: 0 0 21px; font-size: 11px; font-weight: 800; letter-spacing: .15em; }
.price { display: flex; align-items: baseline; color: #fff; }
.price strong { font-family: Arial, sans-serif; font-size: clamp(48px, 6vw, 76px); line-height: 1; letter-spacing: -.035em; }
.price > span { font-size: 18px; margin-left: 5px; font-weight: 700; }
.price small { display: block; font-size: 9px; color: #aaa39c; font-weight: 400; }
.price-panel > p:not(.panel-kicker) { max-width: 500px; color: #aaa39c; font-size: 11px; line-height: 1.8; }
.spec-list { margin: 27px 0 0; }
.spec-list div { display: flex; justify-content: space-between; gap: 20px; padding: 11px 0; border-top: 1px solid #39342e; font-size: 11px; }
.spec-list dt { color: #9e968e; }
.spec-list dd { margin: 0; font-weight: 700; text-align: right; }
.option-row { display: grid; grid-template-columns: 48px 1fr; align-items: center; gap: 15px; padding: 15px 0; border-top: 1px solid #39342e; }
.option-swatch { width: 46px; height: 31px; border: 1px solid #5a544c; background: #77695c; }
.option-swatch.print { background: linear-gradient(135deg, #c84e58 0 33%, #f0c27d 33% 66%, #496b7c 66%); }
.option-swatch.gold { background: linear-gradient(135deg, #aa7730, #f3d785, #9d6d29); }
.option-swatch.holo { background: linear-gradient(135deg, #e3b6c2, #a7e1dc, #dbc480, #b2b8e4); }
.option-row strong, .option-row small { display: block; }
.option-row strong { font-family: "Yu Mincho", serif; font-size: 15px; }
.option-row small { color: #98918a; font-size: 10px; margin-top: 4px; }
.option-note { margin: 20px 0 0; color: #8d857e; font-size: 9px; line-height: 1.7; }
.steps { max-width: 1300px; margin: 18px auto; list-style: none; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid #38332d; }
.steps li { min-height: 116px; display: flex; align-items: center; gap: 18px; padding: 22px; border-right: 1px solid #38332d; }
.steps li:last-child { border-right: 0; }
.steps > li > span { color: #d8bc83; font: 24px/1 "Times New Roman", serif; }
.steps strong, .steps small { display: block; }
.steps strong { font-family: "Yu Mincho", serif; font-size: 14px; }
.steps small { color: #928b84; margin-top: 6px; font-size: 9px; }
.guide-cta { max-width: 1300px; margin: 18px auto 0; padding: 26px 30px; background: #2a2520; display: flex; justify-content: space-between; align-items: center; gap: 25px; }
.guide-cta strong, .guide-cta span { display: block; }
.guide-cta strong { font-family: "Yu Mincho", serif; font-size: 18px; }
.guide-cta span { color: #948c84; font-size: 10px; margin-top: 6px; }
.button-yahoo { background: #fff; color: #161412; }
.button-yahoo:hover { background: #f4e6e8; }

footer { background: #0f0e0c; color: #cbc5be; padding: 45px clamp(22px, 5vw, 78px) 25px; display: grid; grid-template-columns: 1fr auto auto; align-items: center; gap: 38px; font-size: 10px; }
.footer-brand { display: flex; align-items: center; gap: 14px; }
.footer-brand strong, .footer-brand small { display: block; }
.footer-brand strong { color: #fff; font-family: "Yu Mincho", serif; font-size: 16px; letter-spacing: .08em; }
.footer-brand small { color: #77716b; margin-top: 5px; letter-spacing: .12em; }
.footer-details { display: grid; gap: 6px; }
.footer-details a { color: #fff; text-decoration: none; }
.footer-links { display: flex; gap: 18px; }
.copyright { grid-column: 1 / -1; margin: 20px 0 0; border-top: 1px solid #282521; padding-top: 20px; color: #5f5a55; text-align: right; }

.compare-bar { position: fixed; left: 50%; bottom: 18px; transform: translateX(-50%); z-index: 30; width: min(760px, calc(100% - 28px)); min-height: 72px; padding: 11px 14px; background: rgba(20,18,16,.96); color: #fff; border: 1px solid #484039; box-shadow: 0 18px 55px rgba(0,0,0,.3); display: flex; align-items: center; gap: 13px; backdrop-filter: blur(14px); }
.compare-summary { display: flex; align-items: center; gap: 10px; margin-right: auto; }
.compare-summary > span { font-size: 10px; color: #aaa29a; }
#compare-thumbs { display: flex; gap: 5px; }
#compare-thumbs img { width: 42px; height: 42px; object-fit: cover; background: #fff; border: 1px solid #544c44; }
#compare-count { color: #d8bc83; font-size: 10px; }
.compare-bar .button { min-height: 42px; }
.compare-bar .button:disabled { opacity: .35; cursor: not-allowed; transform: none; }
.clear-button { border: 0; background: none; color: #aaa29a; text-decoration: underline; text-underline-offset: 3px; cursor: pointer; font-size: 9px; }

.modal { width: min(1000px, calc(100% - 28px)); max-height: calc(100vh - 28px); border: 0; padding: 0; background: #fff; box-shadow: 0 35px 100px rgba(0,0,0,.35); }
.modal::backdrop { background: rgba(12,10,8,.72); backdrop-filter: blur(5px); }
.modal-close { position: sticky; float: right; top: 12px; right: 12px; z-index: 2; width: 40px; height: 40px; border: 0; border-radius: 50%; background: var(--black); color: #fff; cursor: pointer; font-size: 23px; line-height: 1; }
.modal-product { display: grid; grid-template-columns: 1.15fr .85fr; min-height: 570px; }
.modal-image { background: #f5f2ed; display: grid; place-items: center; padding: 25px; }
.modal-image img { width: 100%; max-height: 620px; object-fit: contain; }
.modal-info { padding: clamp(35px, 6vw, 70px) clamp(26px, 5vw, 55px); align-self: center; }
.modal-info h2 { margin: 5px 0 13px; font: 500 clamp(34px,5vw,52px)/1.2 "Yu Mincho", serif; }
.modal-info .modal-mood { color: var(--red); font: 600 17px/1.6 "Yu Mincho", serif; }
.modal-info .modal-desc { color: var(--muted); font-size: 12px; line-height: 1.9; }
.modal-info .spec-list div { border-color: var(--line); font-size: 11px; }
.modal-info .spec-list dt { color: var(--muted); }
.modal-info .modal-price { margin: 24px 0 16px; font-family: Arial, sans-serif; font-size: 28px; font-weight: 800; }
.modal-info .modal-price small { font-family: "Yu Gothic", sans-serif; font-size: 10px; margin-right: 6px; color: var(--muted); }
.modal-info .button { width: 100%; }
.compare-modal { padding: 45px 38px 38px; width: min(1100px, calc(100% - 28px)); }
.compare-modal-head h2 { margin: 0 0 8px; font: 500 36px/1.2 "Yu Mincho", serif; }
.compare-modal-head > p:last-child { color: var(--muted); font-size: 11px; }
.compare-table-wrap { overflow-x: auto; margin-top: 27px; }
.compare-table { width: 100%; min-width: 650px; border-collapse: collapse; table-layout: fixed; }
.compare-table th, .compare-table td { border: 1px solid var(--line); padding: 14px; text-align: center; font-size: 11px; }
.compare-table th:first-child { width: 110px; background: #f6f2ec; color: var(--muted); text-align: left; }
.compare-table thead th { vertical-align: bottom; }
.compare-table .compare-image { width: 100%; aspect-ratio: 1; object-fit: contain; background: #f6f3ee; margin-bottom: 10px; }
.compare-table .compare-name { font: 600 20px/1.2 "Yu Mincho", serif; }
.compare-table .compare-price { font-size: 18px; font-weight: 800; }
.compare-table .buy-link { padding: 10px; }

@media (max-width: 1050px) {
  .product-grid { grid-template-columns: repeat(3, 1fr); }
  .hero { grid-template-columns: 1fr 1fr; gap: 40px; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .steps li:nth-child(2) { border-right: 0; }
  .steps li:nth-child(-n+2) { border-bottom: 1px solid #38332d; }
}
@media (max-width: 760px) {
  .site-header { height: 68px; padding: 0 16px; }
  .brand-mark { width: 37px; height: 37px; font-size: 17px; }
  .brand strong { font-size: 14px; }
  .brand small, nav, .header-cta { display: none; }
  .hero { min-height: auto; grid-template-columns: 1fr; padding: 50px 20px 65px; gap: 38px; }
  .hero-copy { text-align: center; }
  .hero h1 { font-size: clamp(38px, 11vw, 53px); }
  .lead { font-size: 13px; line-height: 1.85; }
  .hero-actions, .trust-list { justify-content: center; }
  .hero-visual { min-height: 330px; }
  .section { padding: 66px 15px; }
  .section-heading { display: block; margin-bottom: 27px; }
  .section-heading > p { margin-top: 14px; }
  .catalog-tools { display: block; padding: 14px 0; }
  .filters { flex-wrap: nowrap; overflow-x: auto; padding-bottom: 10px; }
  .filter { flex: 0 0 auto; }
  .search-box { display: block; min-width: 0; }
  .product-grid { grid-template-columns: repeat(2, 1fr); gap: 11px; }
  .card-body { padding: 13px 11px 11px; }
  .card-body h3 { font-size: 19px; }
  .product-mood { min-height: 49px; }
  .mini-specs li:nth-child(2) { display: none; }
  .card-actions { grid-template-columns: 38px 1fr; }
  .compare-toggle { width: 38px; }
  .guide-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .steps li { min-height: 90px; border-right: 0; border-bottom: 1px solid #38332d; }
  .steps li:last-child { border-bottom: 0; }
  .guide-cta { display: block; text-align: center; padding: 24px 18px; }
  .guide-cta .button { margin-top: 18px; width: 100%; }
  footer { grid-template-columns: 1fr; gap: 22px; }
  .footer-links { flex-wrap: wrap; }
  .copyright { grid-column: 1; text-align: left; }
  .compare-bar { bottom: 8px; min-height: 64px; }
  .compare-summary > span, #compare-count, .clear-button { display: none; }
  #compare-thumbs img { width: 35px; height: 35px; }
  .compare-bar .button { padding: 0 12px; font-size: 10px; }
  .modal-product { grid-template-columns: 1fr; }
  .modal-image { min-height: 300px; }
  .modal-info { padding: 30px 22px 35px; }
  .compare-modal { padding: 44px 16px 20px; }
}
@media (max-width: 390px) {
  .product-grid { grid-template-columns: 1fr; }
  .product-mood { min-height: 0; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}