@charset "UTF-8";

:root {
  --paper: #faf9f5;
  --paper-deep: #eeeae0;
  --ink: #171715;
  --soft: #5b5851;
  --faint: #8a867d;
  --clay: #c96849;
  --rose: #d995aa;
  --violet: #9a84c8;
  --aqua: #75bfc0;
  --line: rgba(23, 23, 21, .14);
  --serif: "Shippori Mincho", "Yu Mincho", serif;
  --sans: "Inter", "Noto Sans JP", sans-serif;
  --shell: min(1180px, calc(100% - 48px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 16px/1.9 var(--sans);
  letter-spacing: .015em;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; height: auto; }
h1, h2, h3, p, ul, ol, dl { margin: 0; }
:focus-visible { outline: 2px solid var(--clay); outline-offset: 3px; }
.shell { width: var(--shell); margin-inline: auto; }
.skip { position: fixed; top: -60px; left: 16px; z-index: 99; padding: 10px 16px; background: var(--ink); color: white; }
.skip:focus { top: 12px; }

.preview-flag {
  position: fixed; right: 16px; bottom: 16px; z-index: 80;
  padding: 8px 13px; border: 1px solid rgba(255,255,255,.2); border-radius: 99px;
  background: rgba(23,23,21,.92); color: #fff; font-size: .68rem; letter-spacing: .13em;
}

.site-head {
  position: sticky; top: 0; z-index: 50; display: flex; align-items: center; justify-content: space-between;
  min-height: 76px; padding-inline: max(24px, calc((100% - 1180px) / 2)); border-bottom: 1px solid var(--line);
  background: rgba(250,249,245,.9); backdrop-filter: blur(16px);
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: .12em; }
.brand i { width: 14px; height: 14px; border: 2px solid var(--clay); transform: rotate(45deg); }
.brand small { font-size: .62rem; color: var(--faint); }
.brand-logo { display: block; width: 168px; height: 50px; overflow: hidden; }
.brand-logo img { width: 168px; max-width: none; height: 84px; object-fit: contain; mix-blend-mode: multiply; transform: translateY(-17px); }
.site-head nav { display: flex; align-items: center; gap: 26px; font-size: .78rem; font-weight: 600; }
.nav-cta { padding: 10px 16px; border-radius: 99px; background: var(--ink); color: white; }

.crumbs { padding-top: 28px; color: var(--faint); font-size: .75rem; }
.crumbs a { text-decoration: underline; text-underline-offset: 3px; }

.product-hero {
  display: grid; grid-template-columns: minmax(0, 1.12fr) minmax(320px, .88fr); gap: clamp(40px, 7vw, 100px);
  align-items: center; min-height: 650px; padding-block: 72px 92px;
}
.eyebrow { margin-bottom: 24px; color: var(--clay); font-size: .72rem; font-weight: 700; letter-spacing: .2em; text-transform: uppercase; }
.product-hero h1 { font: 600 clamp(2.55rem, 6.2vw, 5.6rem)/1.18 var(--serif); letter-spacing: .025em; }
.product-hero h1 em { color: var(--clay); font-style: normal; }
.hero-lead { max-width: 700px; margin-top: 30px; color: var(--soft); font-size: clamp(1rem, 1.4vw, 1.16rem); line-height: 2; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 18px; margin-top: 34px; }
.button { display: inline-flex; align-items: center; gap: 28px; padding: 15px 20px; border: 1px solid var(--ink); border-radius: 2px; background: var(--ink); color: white; font-size: .84rem; font-weight: 700; }
.text-link { color: var(--soft); font-size: .84rem; text-decoration: underline; text-underline-offset: 5px; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 12px 24px; margin-top: 28px; color: var(--faint); font-size: .76rem; }

.hero-art { position: relative; min-height: 470px; border: 1px solid var(--line); background: #fff; overflow: hidden; }
.hero-art::before { position: absolute; inset: 9%; content: ""; border: 1px solid var(--line); border-radius: 50%; }
.hero-art::after { position: absolute; inset: 0; content: ""; background: linear-gradient(140deg, transparent 42%, rgba(154,132,200,.14), rgba(117,191,192,.16)); }
.hero-art img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; mix-blend-mode: multiply; }
.hero-art-label { position: absolute; right: 20px; bottom: 18px; z-index: 2; padding: 8px 11px; background: rgba(250,249,245,.82); font-size: .65rem; letter-spacing: .13em; }

.band { border-block: 1px solid var(--line); background: var(--paper-deep); }
.band-inner { display: grid; grid-template-columns: repeat(3, 1fr); }
.band-inner p { padding: 24px; border-right: 1px solid var(--line); }
.band-inner p:last-child { border-right: 0; }
.band-inner b { display: block; font: 600 1rem/1.6 var(--serif); }
.band-inner span { color: var(--faint); font-size: .76rem; }

.section { padding-block: clamp(72px, 10vw, 128px); }
.section-head { display: grid; grid-template-columns: 180px minmax(0, 1fr); gap: 24px; margin-bottom: 52px; }
.section-head small { color: var(--clay); font-weight: 700; letter-spacing: .16em; }
.section-head h2 { font: 600 clamp(1.9rem, 4vw, 3.6rem)/1.45 var(--serif); }
.section-head p { max-width: 720px; margin-top: 16px; color: var(--soft); }

.product-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.product-card { min-height: 290px; padding: clamp(28px, 4vw, 48px); border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: rgba(255,255,255,.36); }
.product-card small { color: var(--clay); font-weight: 700; letter-spacing: .14em; }
.product-card h2, .product-card h3 { margin-top: 22px; font: 600 clamp(1.45rem, 2.3vw, 2.15rem)/1.5 var(--serif); }
.product-card p { margin-top: 14px; color: var(--soft); }
.product-card a { display: inline-block; margin-top: 24px; font-weight: 700; text-decoration: underline; text-underline-offset: 5px; }
.product-card--wide { grid-column: 1 / -1; }

.deliverables { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.deliverables.four { grid-template-columns: repeat(4, 1fr); }
.deliverables article { min-height: 240px; padding: 34px; background: var(--paper); }
.deliverables span { color: var(--clay); font-size: .72rem; font-weight: 700; }
.deliverables h3 { margin-top: 34px; font: 600 1.3rem/1.55 var(--serif); }
.deliverables p { margin-top: 12px; color: var(--soft); font-size: .92rem; }

.problem-grid, .fit-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.problem-card, .fit-card { padding: 30px; border: 1px solid var(--line); background: rgba(255,255,255,.5); }
.problem-card span, .fit-card span { color: var(--clay); font-size: .7rem; font-weight: 700; letter-spacing: .12em; }
.problem-card h3, .fit-card h3 { margin-top: 18px; font: 600 1.22rem/1.55 var(--serif); }
.problem-card p, .fit-card p { margin-top: 10px; color: var(--soft); font-size: .9rem; }

.price-panel { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: clamp(28px, 6vw, 80px); align-items: start; padding: clamp(34px, 6vw, 68px); border: 1px solid var(--line); background: #fff; }
.price-panel small { color: var(--clay); font-weight: 700; letter-spacing: .16em; }
.price-panel h2 { margin-top: 16px; font: 600 clamp(2rem, 4vw, 3.4rem)/1.4 var(--serif); }
.price-panel h2 em { color: var(--clay); font-style: normal; }
.price-panel p { color: var(--soft); }
.price-list { display: grid; gap: 0; margin-top: 24px; border-top: 1px solid var(--line); }
.price-list li { display: grid; grid-template-columns: 150px 1fr; gap: 20px; padding: 16px 0; border-bottom: 1px solid var(--line); list-style: none; }
.price-list b { font-size: .82rem; }
.price-list span { color: var(--soft); font-size: .88rem; }

.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { position: relative; padding: 24px 44px 24px 0; cursor: pointer; font: 600 1.04rem/1.6 var(--serif); list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { position: absolute; right: 8px; content: "+"; color: var(--clay); font: 500 1.5rem var(--sans); }
.faq-list details[open] summary::after { content: "−"; }
.faq-list p { max-width: 860px; padding: 0 44px 24px 0; color: var(--soft); }

.process { display: grid; grid-template-columns: repeat(4, 1fr); list-style: none; padding: 0; border-top: 1px solid var(--line); }
.process li { padding: 28px 24px; border-right: 1px solid var(--line); }
.process li:last-child { border-right: 0; }
.process span { color: var(--clay); font-size: .72rem; }
.process b { display: block; margin-top: 15px; font: 600 1.15rem var(--serif); }
.process p { margin-top: 8px; color: var(--soft); font-size: .86rem; }

.scope-note { display: grid; grid-template-columns: 180px 1fr; gap: 24px; padding: 34px; border: 1px solid var(--line); background: #fff; }
.scope-note b { color: var(--clay); font-size: .76rem; letter-spacing: .12em; }
.scope-note p { color: var(--soft); }

.contact { padding-block: 100px; background: var(--ink); color: white; }
.contact-inner { display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 44px; }
.contact h2 { font: 600 clamp(2rem, 4.5vw, 4rem)/1.4 var(--serif); }
.contact p { max-width: 700px; margin-top: 16px; color: rgba(255,255,255,.65); }
.contact .button { border-color: white; background: white; color: var(--ink); white-space: nowrap; }

.site-foot { display: flex; justify-content: space-between; gap: 24px; padding-block: 30px; color: var(--faint); font-size: .76rem; }
.site-foot nav { display: flex; gap: 20px; }

@media (max-width: 1040px) and (min-width: 821px) {
  .deliverables.four { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 820px) {
  :root { --shell: min(100% - 34px, 1180px); }
  .site-head { min-height: 66px; padding-inline: 17px; }
  .brand-logo { width: 142px; height: 44px; }
  .brand-logo img { width: 142px; height: 71px; transform: translateY(-14px); }
  .site-head nav a:not(.nav-cta) { display: none; }
  .product-hero { grid-template-columns: 1fr; min-height: auto; padding-block: 54px 72px; }
  .hero-art { min-height: 360px; }
  .band-inner, .deliverables, .deliverables.four, .process { grid-template-columns: 1fr; }
  .band-inner p, .process li { border-right: 0; border-bottom: 1px solid var(--line); }
  .band-inner p:last-child, .process li:last-child { border-bottom: 0; }
  .section-head, .scope-note, .contact-inner { grid-template-columns: 1fr; }
  .product-grid { grid-template-columns: 1fr; }
  .product-card--wide { grid-column: auto; }
  .problem-grid, .fit-grid, .price-panel { grid-template-columns: 1fr; }
  .price-list li { grid-template-columns: 1fr; gap: 4px; }
  .contact-inner { align-items: start; }
  .site-foot { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}