:root {
  --ink: #24211f;
  --muted: #746c65;
  --brown: #654837;
  --brown-dark: #35271f;
  --caramel: #a97a57;
  --cream: #f7f2ea;
  --paper: #fffdf9;
  --sage: #697463;
  --line: rgba(53, 39, 31, .14);
  --shadow: 0 22px 60px rgba(53, 39, 31, .12);
  --radius: 28px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Noto Sans JP", "Yu Gothic", "Hiragino Kaku Gothic ProN", sans-serif;
  line-height: 1.8;
}
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img { display: block; width: 100%; }
button, input, textarea, select { font: inherit; }
.container { width: min(1120px, calc(100% - 40px)); margin-inline: auto; }
.section { padding: 104px 0; }
.section-soft { background: var(--cream); }
.section-dark { color: #fff; background: var(--brown-dark); }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 12px;
  color: var(--caramel);
  font-size: .76rem;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
}
.eyebrow::before { content: ""; width: 30px; height: 1px; background: currentColor; }
h1, h2, h3 { margin: 0; font-family: "Noto Serif JP", "Yu Mincho", serif; line-height: 1.35; }
h2 { font-size: clamp(2rem, 4vw, 3.35rem); font-weight: 500; letter-spacing: .03em; }
h3 { font-size: 1.35rem; font-weight: 600; }
p { margin: 0; }
.lead { margin-top: 22px; color: var(--muted); font-size: 1.02rem; }
.section-head { max-width: 730px; margin-bottom: 52px; }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head.center .eyebrow::before { display: none; }

.site-header {
  position: fixed;
  z-index: 50;
  inset: 0 0 auto;
  height: 82px;
  border-bottom: 1px solid rgba(255,255,255,.18);
  color: #fff;
  transition: .25s ease;
}
.site-header.scrolled, .site-header.light {
  color: var(--ink);
  background: rgba(255,253,249,.94);
  border-color: var(--line);
  backdrop-filter: blur(14px);
}
.header-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.brand { display: flex; align-items: center; gap: 13px; }
.brand-mark { font: 500 2rem/1 "Helvetica Neue", sans-serif; letter-spacing: -.08em; }
.brand-copy { padding-left: 12px; border-left: 1px solid currentColor; font-size: .56rem; line-height: 1.4; letter-spacing: .18em; }
.nav { display: flex; align-items: center; gap: 28px; font-size: .84rem; font-weight: 600; letter-spacing: .08em; }
.nav a { transition: color .2s; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--caramel); }
.nav-cta, .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 0 25px;
  border: 1px solid var(--brown);
  border-radius: 999px;
  color: #fff;
  background: var(--brown);
  font-weight: 700;
  letter-spacing: .05em;
  transition: transform .2s, background .2s;
}
.nav-cta { min-height: 44px; padding-inline: 20px; }
.btn:hover, .nav-cta:hover { color: #fff; background: var(--brown-dark); transform: translateY(-2px); }
.btn-outline { color: var(--brown); background: transparent; }
.btn-outline:hover { color: #fff; }
.menu-toggle { display: none; border: 0; color: inherit; background: none; }

.hero {
  position: relative;
  min-height: 780px;
  display: grid;
  align-items: center;
  color: #fff;
  overflow: hidden;
  background: #2e241f;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(27,21,18,.9) 0%, rgba(27,21,18,.58) 42%, rgba(27,21,18,.08) 75%),
    url("images/yolo-hero.png") center/cover no-repeat;
}
.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 170px;
  background: linear-gradient(transparent, rgba(27,21,18,.44));
}
.hero-content { position: relative; z-index: 2; max-width: 660px; padding-top: 80px; }
.hero-kicker { margin-bottom: 20px; font-size: .78rem; letter-spacing: .22em; }
.hero h1 { font-size: clamp(2.6rem, 6vw, 5.5rem); font-weight: 500; letter-spacing: .04em; }
.hero h1 small { display: block; margin-top: 12px; font: 400 .28em/1.5 "Noto Sans JP", sans-serif; letter-spacing: .16em; }
.hero-text { max-width: 550px; margin: 26px 0 34px; color: rgba(255,255,255,.84); font-size: 1.05rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.hero .btn { background: #fff; border-color: #fff; color: var(--brown-dark); }
.hero .btn-outline { background: transparent; color: #fff; }
.hero .btn:hover { background: var(--cream); }
.hero-scroll { position: absolute; z-index: 3; left: 5vw; bottom: 38px; font-size: .67rem; letter-spacing: .25em; writing-mode: vertical-rl; }

.promise-strip { position: relative; z-index: 4; margin-top: -42px; }
.promise-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  overflow: hidden;
  border-radius: 20px;
  background: #fff;
  box-shadow: var(--shadow);
}
.promise { padding: 27px 28px; border-right: 1px solid var(--line); }
.promise:last-child { border: 0; }
.promise span { color: var(--caramel); font-size: .7rem; font-weight: 700; letter-spacing: .15em; }
.promise strong { display: block; margin-top: 3px; font-family: "Noto Serif JP", serif; font-size: 1.05rem; }

.concept-grid { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 80px; }
.photo-frame { position: relative; }
.photo-frame img { aspect-ratio: 4/3; object-fit: cover; border-radius: var(--radius); box-shadow: var(--shadow); }
.photo-frame::after {
  content: "PRIVATE STUDIO";
  position: absolute;
  right: -24px;
  bottom: -22px;
  padding: 18px 25px;
  color: #fff;
  background: var(--brown);
  font-size: .65rem;
  letter-spacing: .2em;
}
.check-list { display: grid; gap: 16px; margin: 30px 0 0; padding: 0; list-style: none; }
.check-list li { display: flex; gap: 13px; }
.check-list li::before { content: "✓"; color: var(--caramel); font-weight: 900; }

.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature-card {
  padding: 38px 32px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--paper);
}
.feature-no { display: block; margin-bottom: 24px; color: var(--caramel); font: 500 2.5rem/1 "Noto Serif JP", serif; }
.feature-card p { margin-top: 14px; color: var(--muted); font-size: .92rem; }

.service-split { display: grid; grid-template-columns: 1.08fr .92fr; min-height: 600px; }
.service-image img { height: 100%; object-fit: cover; }
.service-copy { display: flex; flex-direction: column; justify-content: center; padding: 70px min(7vw, 100px); color: #fff; background: var(--brown-dark); }
.service-copy .lead { color: rgba(255,255,255,.68); }
.mini-list { display: grid; gap: 16px; margin-top: 30px; }
.mini-list div { padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,.18); }
.mini-list strong { display: block; font-family: "Noto Serif JP", serif; }

.price-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.price-card { position: relative; padding: 40px 30px; border: 1px solid var(--line); border-radius: 24px; background: #fff; }
.price-card.featured { color: #fff; background: var(--brown); transform: translateY(-10px); }
.price-card .tag { color: var(--caramel); font-size: .72rem; font-weight: 700; letter-spacing: .12em; }
.price-card.featured .tag { color: #f3d2b8; }
.price-card h3 { margin: 10px 0 22px; }
.price { font: 500 2.5rem/1 "Noto Serif JP", serif; }
.price small { font: 500 .78rem/1 "Noto Sans JP", sans-serif; }
.price-note { margin-top: 10px; color: var(--muted); font-size: .82rem; }
.price-card.featured .price-note { color: rgba(255,255,255,.7); }
.ticket-note { margin-top: 35px; text-align: center; color: var(--muted); }

.voices { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.voice { padding: 32px; border-radius: 22px; background: rgba(255,255,255,.08); }
.voice-meta { display: flex; align-items: center; gap: 14px; margin-bottom: 20px; }
.avatar { display: grid; place-items: center; width: 48px; height: 48px; border-radius: 50%; color: var(--brown-dark); background: #e7d4c4; font-weight: 800; }
.voice small { color: rgba(255,255,255,.6); }
.voice p { color: rgba(255,255,255,.8); font-size: .92rem; }
.demo-label { display: inline-block; margin-top: 18px; color: #eac7ad; font-size: .66rem; letter-spacing: .12em; }

.flow-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; counter-reset: flow; }
.flow-step { padding: 28px 24px; border-top: 1px solid var(--brown); background: var(--cream); }
.flow-step::before { counter-increment: flow; content: "0" counter(flow); display: block; margin-bottom: 20px; color: var(--caramel); font-family: serif; font-size: 1.4rem; }
.flow-step p { margin-top: 10px; color: var(--muted); font-size: .86rem; }

.faq { max-width: 840px; margin: auto; border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { position: relative; padding: 24px 48px 24px 8px; cursor: pointer; font-weight: 700; list-style: none; }
.faq summary::after { content: "+"; position: absolute; right: 10px; font-size: 1.5rem; font-weight: 300; }
.faq details[open] summary::after { content: "−"; }
.faq p { padding: 0 50px 25px 8px; color: var(--muted); }

.line-cta { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 40px; padding: 54px 60px; border-radius: var(--radius); color: #fff; background: linear-gradient(135deg, #2d4438, #536957); }
.line-cta h2 { font-size: clamp(1.8rem, 3vw, 2.8rem); }
.line-cta p { margin-top: 13px; color: rgba(255,255,255,.74); }
.line-btn { border: 0; color: #294233; background: #fff; }

.page-hero { padding: 175px 0 80px; text-align: center; background: var(--cream); }
.page-hero h1 { font-size: clamp(2.5rem, 6vw, 4.8rem); font-weight: 500; }
.page-hero p { margin-top: 15px; color: var(--muted); }
.pricing-table { width: 100%; border-collapse: collapse; overflow: hidden; border-radius: 18px; box-shadow: var(--shadow); }
.pricing-table th, .pricing-table td { padding: 22px 18px; border: 1px solid var(--line); text-align: center; }
.pricing-table thead th { color: #fff; background: var(--brown-dark); }
.pricing-table tbody th { background: var(--cream); }
.pricing-table tr.recommend td, .pricing-table tr.recommend th { background: #fff6df; font-weight: 700; }
.note-box { margin-top: 32px; padding: 25px 28px; border-left: 3px solid var(--caramel); background: var(--cream); color: var(--muted); }

.gallery { display: grid; grid-template-columns: 1.35fr .65fr; gap: 18px; }
.gallery img { height: 100%; min-height: 330px; border-radius: 20px; object-fit: cover; }
.gallery .tall { grid-row: span 2; min-height: 680px; }
.info-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 70px; }
.info-list { border-top: 1px solid var(--line); }
.info-row { display: grid; grid-template-columns: 130px 1fr; padding: 18px 0; border-bottom: 1px solid var(--line); }
.info-row dt { font-weight: 700; }
.info-row dd { margin: 0; color: var(--muted); }
.map-placeholder {
  display: grid;
  min-height: 380px;
  place-items: center;
  padding: 40px;
  border-radius: var(--radius);
  text-align: center;
  background: linear-gradient(135deg, #e8dfd4, #d2c1af);
}
.map-placeholder strong { display: block; font-family: "Noto Serif JP", serif; font-size: 1.5rem; }

.contact-layout { display: grid; grid-template-columns: .75fr 1.25fr; gap: 70px; }
.contact-points { display: grid; gap: 16px; margin-top: 30px; }
.contact-points div { padding: 18px; border-radius: 14px; background: var(--cream); }
.form { display: grid; gap: 20px; }
.field { display: grid; gap: 7px; }
.field label { font-size: .87rem; font-weight: 700; }
.required { color: #a44e3f; }
.field input, .field textarea, .field select {
  width: 100%;
  padding: 15px 17px;
  border: 1px solid var(--line);
  border-radius: 10px;
  outline: none;
  background: #fff;
}
.field input:focus, .field textarea:focus, .field select:focus { border-color: var(--caramel); box-shadow: 0 0 0 3px rgba(169,122,87,.12); }
.form-note { color: var(--muted); font-size: .78rem; }
.form-message { display: none; padding: 18px; border-radius: 10px; color: #234631; background: #e6f4e9; }
.form-message.show { display: block; }

.footer { padding: 70px 0 30px; color: rgba(255,255,255,.72); background: #211a16; }
.footer-grid { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 60px; }
.footer .brand { color: #fff; margin-bottom: 22px; }
.footer h3 { margin-bottom: 18px; color: #fff; font: 700 .84rem/1 "Noto Sans JP", sans-serif; letter-spacing: .12em; }
.footer-links { display: grid; gap: 9px; font-size: .84rem; }
.copyright { margin-top: 55px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.1); font-size: .7rem; }
.floating-line {
  position: fixed;
  z-index: 40;
  right: 22px;
  bottom: 22px;
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 13px 18px;
  border-radius: 999px;
  color: #fff;
  background: #06c755;
  box-shadow: 0 12px 30px rgba(0,0,0,.2);
  font-weight: 800;
  font-size: .85rem;
}
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .75s, transform .75s; }
.reveal.visible { opacity: 1; transform: none; }

@media (max-width: 900px) {
  .nav {
    position: fixed;
    inset: 82px 0 auto;
    display: none;
    padding: 30px 24px;
    color: var(--ink);
    background: #fff;
    box-shadow: var(--shadow);
    flex-direction: column;
    align-items: stretch;
  }
  .nav.open { display: flex; }
  .menu-toggle { display: block; font-size: 1.6rem; }
  .concept-grid, .service-split, .info-grid, .contact-layout { grid-template-columns: 1fr; }
  .feature-grid, .price-cards, .voices { grid-template-columns: 1fr 1fr; }
  .flow-grid { grid-template-columns: 1fr 1fr; }
  .service-image { min-height: 480px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 620px) {
  .container { width: min(100% - 28px, 1120px); }
  .section { padding: 76px 0; }
  .site-header { height: 70px; }
  .brand-copy { display: none; }
  .nav { inset-block-start: 70px; }
  .hero { min-height: 720px; }
  .hero::before { background-position: 64% center; }
  .hero h1 { font-size: 2.75rem; }
  .hero-content { padding-top: 110px; }
  .promise-grid, .feature-grid, .price-cards, .voices, .flow-grid { grid-template-columns: 1fr; }
  .promise { border-right: 0; border-bottom: 1px solid var(--line); }
  .concept-grid { gap: 50px; }
  .photo-frame::after { right: -5px; }
  .service-image { min-height: 350px; }
  .service-copy { padding: 55px 25px; }
  .price-card.featured { transform: none; }
  .line-cta { grid-template-columns: 1fr; padding: 38px 28px; }
  .line-btn { width: 100%; }
  .gallery { grid-template-columns: 1fr; }
  .gallery .tall { min-height: 380px; grid-row: auto; }
  .pricing-scroll { overflow-x: auto; }
  .pricing-table { min-width: 670px; }
  .footer-grid { grid-template-columns: 1fr; gap: 35px; }
  .floating-line span { display: none; }
  .floating-line { width: 54px; height: 54px; justify-content: center; padding: 0; border-radius: 50%; }
}

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}