:root {
  --ink: #22211f;
  --muted: #6f6a62;
  --paper: #f7f4ef;
  --paper2: #fffaf2;
  --line: rgba(34, 33, 31, .16);
  --accent: #9b6a3f;
  --deep: #2a2a28;
  --serif: "Shippori Mincho B1", "Yu Mincho", "Hiragino Mincho ProN", serif;
  --sans: "Noto Sans JP", "Hiragino Kaku Gothic ProN", system-ui, sans-serif;
  --en: "Cormorant Garamond", Georgia, serif;
  --ease: cubic-bezier(.22, .61, .21, 1);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 96px; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  line-height: 1.9;
  letter-spacing: .04em;
  overflow-x: hidden;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image: radial-gradient(rgba(34,33,31,.045) 1px, transparent 1px);
  background-size: 22px 22px;
  pointer-events: none;
  z-index: 1;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
.container { width: min(1120px, calc(100% - 40px)); margin: 0 auto; position: relative; z-index: 2; }
.sample-bar {
  padding: 8px 14px;
  text-align: center;
  background: #fff4db;
  border-bottom: 1px solid #e7c982;
  color: #754d1c;
  font-size: 12px;
  font-weight: 700;
}
.sample-bar a { text-decoration: underline; text-underline-offset: 3px; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 220;
  background: rgba(247,244,239,.94);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}
.header-inner { min-height: 82px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: grid; gap: 2px; min-width: 250px; }
.brand strong { font-family: var(--serif); font-size: 19px; letter-spacing: .1em; line-height: 1.35; }
.brand span { color: var(--muted); font-family: var(--en); font-size: 11px; letter-spacing: .24em; text-transform: uppercase; }
.nav { display: flex; gap: 26px; align-items: center; font-size: 13px; font-weight: 800; }
.nav a { position: relative; white-space: nowrap; }
.nav a::after { content: ""; position: absolute; left: 0; right: 0; bottom: -7px; height: 1px; background: currentColor; transform: scaleX(0); transform-origin: right; transition: transform .35s var(--ease); }
.nav a:hover::after { transform: scaleX(1); transform-origin: left; }
.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 20px;
  border: 1px solid var(--ink);
  font-weight: 800;
  font-size: 13px;
}
.menu-btn { display: none; width: 48px; height: 48px; border: 1px solid var(--line); background: transparent; }
.menu-btn span { display: block; width: 20px; height: 2px; margin: 5px auto; background: var(--ink); transition: transform .3s, opacity .3s; }
.hero { position: relative; min-height: calc(100svh - 82px); display: grid; align-items: end; overflow: hidden; background: var(--deep); }
.hero-img { position: absolute; inset: 0; z-index: 0; }
.hero-img img { width: 100%; height: 100%; object-fit: cover; object-position: var(--hero-pos, center); animation: heroZoom 14s var(--ease) forwards; }
.hero::after { content: ""; position: absolute; inset: 0; z-index: 1; background: linear-gradient(90deg, rgba(20,20,20,.72), rgba(20,20,20,.36) 42%, rgba(20,20,20,.08) 72%), linear-gradient(0deg, rgba(20,20,20,.48), transparent 42%); }
@keyframes heroZoom { from { transform: scale(1.08); } to { transform: scale(1); } }
.hero-copy { position: relative; z-index: 2; width: min(720px, 100%); padding: clamp(90px, 12vw, 150px) 0 clamp(74px, 10vw, 120px); color: #fff; }
.eyebrow { display: inline-flex; align-items: center; gap: 14px; font-family: var(--en); font-style: italic; font-size: 18px; letter-spacing: .2em; color: rgba(255,255,255,.88); }
.eyebrow::before { content: ""; width: 48px; height: 1px; background: currentColor; }
.hero h1 { margin: 22px 0 22px; font-family: var(--serif); font-size: clamp(36px, 6vw, 70px); line-height: 1.3; letter-spacing: .08em; font-weight: 600; }
.hero p { margin: 0; max-width: 620px; color: rgba(255,255,255,.88); font-weight: 700; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.button { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; padding: 0 24px; background: #fff; color: var(--ink); border: 1px solid transparent; font-weight: 800; box-shadow: 0 18px 40px rgba(0,0,0,.16); transition: transform .3s var(--ease); }
.button:hover { transform: translateY(-2px); }
.button.dark { background: var(--accent); color: #fff; }
.vertical-note { position: absolute; right: max(22px, calc((100vw - 1120px)/2)); top: 50%; z-index: 3; transform: translateY(-50%); writing-mode: vertical-rl; color: rgba(255,255,255,.78); font-family: var(--serif); letter-spacing: .34em; font-size: 13px; }
section { padding: clamp(86px, 11vw, 150px) 0; position: relative; }
.soft { background: var(--paper2); }
.section-head { display: grid; gap: 12px; margin-bottom: clamp(42px, 6vw, 74px); }
.section-head.center { text-align: center; justify-items: center; }
.label { color: var(--accent); font-family: var(--en); font-size: 16px; font-style: italic; letter-spacing: .22em; }
.section-head h2 { margin: 0; font-family: var(--serif); font-size: clamp(27px, 4vw, 46px); line-height: 1.45; letter-spacing: .08em; font-weight: 600; }
.section-head p { margin: 0; max-width: 720px; color: var(--muted); font-weight: 700; }
.intro { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(36px, 7vw, 86px); align-items: center; }
.intro h3 { margin: 0 0 24px; font-family: var(--serif); font-size: clamp(25px, 3.3vw, 38px); line-height: 1.65; letter-spacing: .08em; }
.intro p { color: var(--muted); font-weight: 700; }
.frame { position: relative; overflow: hidden; background: #ddd; }
.frame::before { content: ""; display: block; aspect-ratio: 4/3; }
.frame img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 1s var(--ease); }
.frame:hover img { transform: scale(1.04); }
.grid { display: grid; gap: 22px; }
.cards { grid-template-columns: repeat(3, 1fr); }
.card { padding: 30px; background: rgba(255,255,255,.82); border: 1px solid var(--line); box-shadow: 0 24px 62px rgba(34,33,31,.06); }
.card strong { display: block; color: var(--accent); font-family: var(--en); font-size: 32px; margin-bottom: 14px; }
.card h3 { margin: 0 0 12px; font-size: 19px; }
.card p { margin: 0; color: var(--muted); font-weight: 700; }
.works { display: grid; grid-template-columns: 1.15fr .85fr; gap: clamp(30px, 5vw, 64px); align-items: end; }
.work-list { display: grid; gap: 18px; }
.work { display: grid; grid-template-columns: 180px 1fr; gap: 18px; align-items: center; padding: 14px; border: 1px solid var(--line); background: rgba(255,255,255,.74); }
.work img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.work h3 { margin: 0 0 6px; font-size: 17px; }
.work p { margin: 0; color: var(--muted); font-size: 13px; font-weight: 700; }
.check { display: grid; grid-template-columns: .9fr 1.1fr; gap: 34px; }
.check-list { display: grid; gap: 12px; margin: 0; padding: 0; list-style: none; }
.check-list button { width: 100%; padding: 18px; text-align: left; border: 1px solid var(--line); background: #fff; color: var(--ink); cursor: pointer; font-weight: 900; transition: background .25s, color .25s, transform .25s; }
.check-list button.active, .check-list button:hover { background: var(--deep); color: #fff; transform: translateX(4px); }
.check-result { padding: clamp(30px, 4vw, 48px); background: #fff; border: 1px solid var(--line); box-shadow: 0 24px 64px rgba(34,33,31,.08); }
.check-result h3 { margin: 0 0 16px; font-family: var(--serif); font-size: clamp(24px, 3vw, 34px); }
.check-result p { margin: 0; color: var(--muted); font-weight: 700; }
.flow { display: grid; grid-template-columns: repeat(5, 1fr); gap: 1px; background: var(--line); }
.step { padding: 28px 18px; background: var(--deep); color: #fff; }
.step strong { display: block; color: #d8b178; font-family: var(--en); font-size: 30px; margin-bottom: 12px; }
.step h3 { margin: 0 0 8px; font-size: 17px; }
.step p { margin: 0; color: rgba(255,255,255,.74); font-size: 13px; }
.company { display: grid; grid-template-columns: 1.05fr .95fr; gap: 34px; }
.profile, .contact { padding: clamp(30px, 4vw, 46px); background: #fff; border: 1px solid var(--line); }
dl { margin: 0; display: grid; grid-template-columns: 136px 1fr; }
dt, dd { margin: 0; padding: 14px 0; border-bottom: 1px solid var(--line); }
dt { color: var(--muted); font-weight: 900; }
dd { font-weight: 800; }
.contact { color: #fff; background: var(--deep); }
.contact h3 { margin: 0 0 16px; font-family: var(--serif); font-size: clamp(24px, 3vw, 34px); }
.contact p { color: rgba(255,255,255,.78); font-weight: 700; }
.disclaimer { padding: 58px 0; background: #fff7e6; color: #704512; border-top: 1px solid #e7d6aa; }
.disclaimer-inner { width: min(860px, calc(100% - 40px)); margin: 0 auto; text-align: center; font-size: 13px; font-weight: 700; }
.disclaimer h2 { margin: 0 0 14px; font-size: 18px; }
.footer { padding: 34px 20px; text-align: center; color: rgba(255,255,255,.64); background: var(--deep); font-size: 12px; font-weight: 700; }
.bottom-bar { display: none; }
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }
body.tone-world { --accent: #9a6b3e; --deep: #2a2f33; --paper: #f5f2ec; --paper2: #fffaf1; }
body.tone-minowa { --accent: #9b714f; --deep: #263029; --paper: #f6f0e7; --paper2: #fffaf2; }
body.tone-astonish { --accent: #8f5f42; --deep: #20262c; --paper: #f3f1ee; --paper2: #fbfaf7; }
body.tone-tk { --accent: #7b6a50; --deep: #25231f; --paper: #f6f3ee; --paper2: #fffaf4; }
@media (max-width: 980px) {
  .container { width: min(100% - 28px, 720px); }
  .header-inner { min-height: 74px; }
  .nav { position: fixed; top: 112px; left: 14px; right: 14px; display: grid; gap: 0; padding: 12px; background: var(--paper2); border: 1px solid var(--line); box-shadow: 0 24px 60px rgba(34,33,31,.16); opacity: 0; transform: translateY(-12px); pointer-events: none; transition: opacity .28s, transform .28s; }
  .nav.is-open { opacity: 1; transform: none; pointer-events: auto; }
  .nav a { padding: 14px 10px; border-bottom: 1px solid var(--line); }
  .nav a:last-child { border-bottom: 0; }
  .nav-cta { display: none; }
  .menu-btn { display: block; }
  .menu-btn.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .menu-btn.is-open span:nth-child(2) { opacity: 0; }
  .menu-btn.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .hero { min-height: 88svh; }
  .hero-img img { object-position: var(--hero-mobile-pos, center); }
  .vertical-note { display: none; }
  .intro, .works, .check, .company { grid-template-columns: 1fr; }
  .cards { grid-template-columns: 1fr; }
  .flow { grid-template-columns: 1fr; }
  .bottom-bar { position: fixed; left: 12px; right: 12px; bottom: 12px; z-index: 260; display: grid; grid-template-columns: 1fr 1fr; overflow: hidden; border-radius: 999px; box-shadow: 0 18px 48px rgba(34,33,31,.24); }
  .bottom-bar a { display: grid; place-items: center; min-height: 54px; background: var(--accent); color: #fff; font-weight: 900; }
  .bottom-bar a:last-child { background: var(--deep); }
}
@media (max-width: 620px) {
  .sample-bar { font-size: 11px; }
  .brand { min-width: 0; }
  .brand strong { font-size: 16px; }
  .brand span { font-size: 9px; }
  .hero h1 { font-size: clamp(33px, 10vw, 48px); }
  .hero-actions .button { width: 100%; }
  .work { grid-template-columns: 1fr; }
  dl { grid-template-columns: 96px 1fr; }
}