:root {
  --ink: #161514;
  --charcoal: #33302d;
  --muted: #7e776f;
  --line: #ddd7ce;
  --accent: #967c5a;
  --accent-soft: #b8a88e;
  --paper: #fcfbf8;
  --paper-2: #faf9f6;
  --viewer: #ebe8e2;
  --white: #fff;
  --shadow: 0 22px 70px rgba(31, 27, 22, .13);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--viewer); }
body { margin: 0; min-width: 320px; background: var(--viewer); color: var(--ink); font-family: "Noto Sans CJK JP", "Noto Sans JP", "Yu Gothic", "Hiragino Kaku Gothic ProN", system-ui, sans-serif; }
a { color: inherit; }
button { font: inherit; }
.viewer-bar { position: sticky; top: 0; z-index: 50; min-height: 54px; display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 9px max(18px, env(safe-area-inset-right)) 9px max(18px, env(safe-area-inset-left)); background: rgba(22, 21, 20, .92); color: #fff; backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); }
.brand { text-decoration: none; font-size: 13px; font-weight: 800; letter-spacing: .16em; }
.viewer-actions { display: flex; align-items: center; gap: 7px; }
.counter { min-width: 48px; text-align: center; font-size: 12px; color: rgba(255,255,255,.72); font-variant-numeric: tabular-nums; }
.viewer-actions button { min-width: 36px; height: 34px; border: 1px solid rgba(255,255,255,.2); border-radius: 8px; background: rgba(255,255,255,.07); color: #fff; cursor: pointer; }
.viewer-actions button:last-child { padding: 0 12px; }
.viewer-actions button:hover { background: rgba(255,255,255,.14); }
.viewer-actions button:disabled { opacity: .35; cursor: default; }
.viewer-actions button:focus-visible, .brand:focus-visible, .contact-link:focus-visible { outline: 2px solid #fff; outline-offset: 3px; }
.deck { width: min(100%, 1500px); margin: 0 auto; padding: 28px 24px 84px; }
.slide { width: 100%; aspect-ratio: 16 / 9; min-height: 680px; margin: 0 0 32px; scroll-margin-top: 74px; position: relative; overflow: hidden; background: var(--paper); box-shadow: var(--shadow); }
.slide-inner { min-height: 100%; height: 100%; padding: clamp(42px, 4.4vw, 78px) clamp(44px, 5.7vw, 98px) clamp(34px, 3vw, 54px); display: flex; flex-direction: column; position: relative; isolation: isolate; }
.slide-inner::before { content: "designequal"; position: absolute; top: 24px; right: clamp(34px,4vw,72px); font-size: 11px; font-weight: 800; letter-spacing: .16em; color: #9b948b; z-index: -1; }
.slide-heading { max-width: 1050px; }
.slide-heading > div, .contact-copy > div { display: flex; align-items: baseline; gap: 14px; margin-bottom: 22px; }
.section-no { color: var(--accent); font-weight: 900; font-size: 15px; letter-spacing: .04em; }
.section-label { color: var(--muted); font-size: 12px; font-weight: 800; letter-spacing: .19em; }
.eyebrow { margin: 0 0 26px; color: var(--accent); font-size: 13px; font-weight: 900; letter-spacing: .22em; }
h1, h2 { margin: 0; font-family: "Noto Serif CJK JP", "Noto Serif JP", "Yu Mincho", serif; font-weight: 600; letter-spacing: -.035em; line-height: 1.23; }
h1 { font-size: clamp(48px, 5vw, 84px); }
h2 { font-size: clamp(40px, 4.3vw, 72px); }
h1 span, h2 span { color: var(--accent); }
h3 { margin: 0; color: var(--charcoal); font-size: 21px; line-height: 1.35; }
p { margin: 0; }
.lead { margin-top: 22px; max-width: 960px; color: var(--charcoal); font-size: clamp(16px, 1.5vw, 24px); line-height: 1.9; }
.lead.strong { margin-top: 34px; font-size: clamp(22px, 2.1vw, 32px); font-weight: 800; letter-spacing: .01em; }
.slide-footer { margin-top: auto; padding-top: 22px; display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; color: #9a938a; font-size: 11px; line-height: 1.5; }
.page-number { flex: 0 0 auto; color: var(--accent); font-size: 16px; font-weight: 800; }
.split-cover { display: grid; grid-template-columns: 1.08fr .92fr; grid-template-rows: 1fr auto; gap: 20px 42px; }
.cover-copy { align-self: center; max-width: 820px; }
.price-note { margin-top: 44px; color: var(--charcoal); font-size: clamp(15px, 1.35vw, 21px); font-weight: 800; }
.price-note span { padding: 0 8px; color: var(--line); }
.cover-visual { align-self: stretch; position: relative; min-height: 460px; overflow: hidden; }
.arch { position: absolute; border: 1px solid var(--line); background: linear-gradient(145deg, #f3efe7, #e5ded2); }
.arch-large { width: 72%; height: 88%; right: 3%; bottom: 0; border-radius: 180px 180px 20px 20px; }
.arch-small { width: 36%; height: 55%; left: 3%; top: 13%; border-radius: 100px 100px 12px 12px; background: linear-gradient(145deg,#fff,#ece6dc); }
.plate { position: absolute; border-radius: 50%; border: 12px solid #fff; box-shadow: 0 14px 36px rgba(60,50,40,.12); background: radial-gradient(circle at 45% 45%, #9f6f43 0 12%, #caa57c 13% 23%, #6c4a32 24% 31%, #e9dfd1 32% 100%); }
.plate-one { width: 230px; height: 230px; right: 11%; top: 17%; }
.plate-two { width: 140px; height: 140px; left: 7%; bottom: 11%; opacity: .92; }
.split-cover .slide-footer { grid-column: 1 / -1; }
.two-column { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(30px, 4vw, 72px); }
.feature-layout { margin-top: 38px; align-items: stretch; flex: 1; }
.feature-stack { display: flex; flex-direction: column; justify-content: center; gap: 28px; }
.numbered-feature { display: grid; grid-template-columns: 54px 1fr; gap: 20px; padding-top: 18px; border-top: 1px solid var(--line); }
.feature-number { color: var(--accent); font-weight: 900; font-size: 18px; }
.numbered-feature p { margin-top: 8px; color: var(--muted); font-size: 16px; line-height: 1.8; }
.mockup-card { align-self: center; min-height: 360px; padding: 18px 18px 12px; border: 1px solid var(--line); background: #fff; box-shadow: 0 18px 48px rgba(45,39,32,.08); }
.mockup-browser { display: flex; gap: 6px; padding-bottom: 12px; border-bottom: 1px solid #ece7df; }
.mockup-browser span { width: 7px; height: 7px; border-radius: 50%; background: #cfc8be; }
.mockup-content { height: 280px; display: grid; grid-template-columns: 1.1fr .9fr; gap: 16px; padding: 18px 0; }
.mockup-image { border-radius: 120px 120px 12px 12px; background: linear-gradient(145deg,#d8d1c7,#f1eee7); position: relative; }
.mockup-image::after { content: ""; position: absolute; width: 94px; height: 94px; border-radius: 50%; left: 50%; top: 50%; transform: translate(-50%,-50%); border: 8px solid #fff; background: radial-gradient(circle,#967c5a 0 15%,#d8c0a2 16% 36%,#f4efe9 37% 100%); }
.mockup-lines { padding-top: 40px; }
.mockup-lines i { display: block; height: 8px; margin-bottom: 14px; border-radius: 999px; background: #ddd7ce; }
.mockup-lines i:nth-child(1) { width: 58%; background: #967c5a; }
.mockup-lines i:nth-child(2) { width: 95%; }
.mockup-lines i:nth-child(3) { width: 82%; }
.mockup-lines i:nth-child(4) { width: 66%; }
.mockup-card small { color: var(--muted); }
.compact-heading .lead { max-width: 900px; }
.benefit-grid { margin-top: 54px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.benefit-card { min-height: 230px; padding: 28px 28px 24px; border-top: 2px solid var(--accent); background: #fff; box-shadow: 0 8px 30px rgba(50,45,40,.04); }
.benefit-card > span { display: block; color: var(--accent); font-weight: 900; margin-bottom: 50px; }
.benefit-card p { margin-top: 10px; color: var(--muted); font-size: 16px; line-height: 1.8; }
.content-cards { margin-top: 42px; display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.content-card { min-height: 250px; padding: 26px; border: 1px solid var(--line); background: #fff; }
.content-mark { width: 66px; height: 66px; display: grid; place-items: center; margin-bottom: 38px; border-radius: 50%; background: var(--paper-2); color: var(--accent); font-size: 10px; font-weight: 900; letter-spacing: .1em; }
.content-card p { margin-top: 10px; color: var(--muted); line-height: 1.8; }
.bottom-message { margin-top: 20px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px 26px; padding: 16px 0; border-top: 1px solid var(--line); color: var(--charcoal); }
.bottom-message span { color: var(--muted); }
.pricing-heading h2 { white-space: nowrap; }
.plan-grid { margin-top: 36px; display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; align-items: stretch; }
.plan-card { padding: 24px 24px 22px; border: 1px solid var(--line); background: #fff; }
.featured-plan { transform: translateY(-8px); border-top: 5px solid var(--accent); box-shadow: 0 14px 35px rgba(72,58,42,.08); }
.plan-tag { margin-bottom: 12px; color: var(--accent); font-size: 10px; font-weight: 900; letter-spacing: .14em; }
.plan-price { margin: 20px 0 16px; color: var(--ink); font-size: clamp(28px, 2.5vw, 40px); font-weight: 900; }
.plan-price small { font-size: 13px; font-weight: 700; }
.plan-price span { font-size: 15px; }
.plan-card ul { margin: 0; padding: 0; list-style: none; color: var(--muted); font-size: 14px; line-height: 1.9; }
.plan-card li::before { content: "—"; margin-right: 8px; color: var(--accent-soft); }
.campaign { margin-top: 18px; padding: 12px 16px; background: #f1eee7; color: var(--charcoal); font-size: 14px; }
.campaign strong { color: var(--accent); }
.options-heading { max-width: 980px; }
.options-panel { margin-top: 30px; padding: 24px 28px 20px; background: #fff; border: 1px solid var(--line); }
.options-panel > h3 { margin-bottom: 16px; color: var(--accent); font-size: 15px; letter-spacing: .08em; }
.option-list { display: grid; grid-template-columns: 1fr 1fr; column-gap: 30px; }
.option-list > div { min-height: 40px; display: flex; justify-content: space-between; align-items: center; gap: 14px; border-top: 1px solid #ece7df; font-size: 13px; }
.option-list strong { white-space: nowrap; color: var(--charcoal); font-weight: 800; }
.option-note { margin-top: 16px; display: flex; flex-wrap: wrap; align-items: baseline; gap: 8px 18px; color: var(--muted); font-size: 12px; }
.option-note strong { color: var(--charcoal); }
.option-note small { flex-basis: 100%; }
.flow-heading { max-width: 1050px; }
.flow-list { margin: 48px 0 0; padding: 0; list-style: none; display: grid; grid-template-columns: repeat(7,1fr); gap: 9px; }
.flow-list li { min-height: 190px; padding: 18px 14px; border-top: 2px solid var(--line); background: #fff; display: flex; flex-direction: column; }
.flow-list li:nth-child(1), .flow-list li:nth-child(7) { border-top-color: var(--accent); }
.flow-list span { color: var(--accent); font-weight: 900; font-size: 13px; }
.flow-list strong { margin-top: auto; font-size: 15px; line-height: 1.45; }
.flow-list small { margin-top: 8px; color: var(--muted); }
.faq-grid { margin-top: 40px; display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.faq-grid article { min-height: 126px; padding: 20px 22px; display: grid; grid-template-columns: 42px 1fr; gap: 14px; border: 1px solid var(--line); background: #fff; }
.q { width: 34px; height: 34px; display: grid; place-items: center; border-radius: 50%; background: var(--accent); color: #fff; font-weight: 900; }
.faq-grid h3 { font-size: 18px; }
.faq-grid p { margin-top: 8px; color: var(--muted); line-height: 1.7; }
.contact-layout { display: grid; grid-template-columns: 1.05fr .95fr; grid-template-rows: 1fr auto; gap: 20px 50px; }
.contact-copy { align-self: center; max-width: 820px; }
.contact-copy .lead { max-width: 760px; }
.free-badge { display: inline-flex; margin-top: 30px; padding: 11px 16px; border: 1px solid var(--accent); color: var(--accent); font-size: 14px; }
.free-badge strong { margin-left: 5px; }
.contact-note { margin-top: 22px; color: var(--muted); line-height: 1.7; }
.contact-link { display: inline-flex; gap: 12px; align-items: baseline; margin-top: 30px; padding-bottom: 5px; border-bottom: 1px solid var(--accent); text-decoration: none; color: var(--charcoal); }
.contact-link strong { color: var(--accent); font-size: 22px; }
.contact-visual { align-self: stretch; position: relative; overflow: hidden; background: linear-gradient(145deg,#e3ddd4,#f8f5ef); min-height: 450px; }
.door { position: absolute; width: 42%; height: 72%; left: 28%; bottom: 0; background: linear-gradient(90deg,#2c2926,#4b453f 45%,#1d1b1a); box-shadow: inset 0 0 0 9px #d0c7bb; }
.door::after { content: ""; position: absolute; width: 9px; height: 9px; border-radius: 50%; right: 13%; top: 52%; background: #c8af7f; }
.lamp { position: absolute; width: 38px; height: 68px; right: 15%; top: 12%; border: 3px solid #3b3732; border-radius: 20px 20px 8px 8px; box-shadow: 0 0 34px rgba(200,175,127,.55); }
.plant { position: absolute; width: 90px; height: 150px; left: 9%; bottom: 2%; border-bottom: 55px solid #85735f; border-left: 28px solid transparent; border-right: 28px solid transparent; }
.plant::before { content: ""; position: absolute; width: 110px; height: 110px; left: -38px; top: -76px; border-radius: 50%; background: radial-gradient(ellipse at center,#7d8468 0 19%,transparent 21%), radial-gradient(ellipse at 30% 40%,#899071 0 16%,transparent 18%), radial-gradient(ellipse at 70% 38%,#778066 0 15%,transparent 17%), radial-gradient(ellipse at 55% 72%,#9ba086 0 16%,transparent 18%); }
.contact-layout .slide-footer { grid-column: 1 / -1; }
.noscript { margin: 16px; padding: 12px 14px; background: #fff; }
@media (max-width: 1000px) {
  .slide { min-height: 0; aspect-ratio: auto; }
  .slide-inner { min-height: 760px; }
  .split-cover, .contact-layout { grid-template-columns: 1fr; grid-template-rows: auto; }
  .cover-visual, .contact-visual { min-height: 300px; max-height: 360px; }
  .split-cover .slide-footer, .contact-layout .slide-footer { grid-column: 1; }
  .plan-grid { grid-template-columns: 1fr; }
  .featured-plan { transform: none; }
  .flow-list { grid-template-columns: repeat(4,1fr); }
  .pricing-heading h2 { white-space: normal; }
}
@media (max-width: 760px) {
  .viewer-bar { min-height: 48px; }
  .brand { display: none; }
  .viewer-actions { width: 100%; justify-content: flex-end; }
  .deck { padding: 10px 0 48px; }
  .slide { margin-bottom: 10px; box-shadow: none; scroll-margin-top: 58px; }
  .slide-inner { min-height: auto; padding: 34px 22px 26px; }
  .slide-inner::before { right: 22px; top: 15px; font-size: 9px; }
  h1 { font-size: clamp(38px, 12vw, 58px); }
  h2 { font-size: clamp(34px, 10vw, 52px); }
  .lead { font-size: 16px; line-height: 1.75; }
  .lead.strong { font-size: 21px; }
  .two-column, .benefit-grid, .content-cards, .faq-grid { grid-template-columns: 1fr; }
  .feature-layout { margin-top: 28px; }
  .mockup-card { min-height: 300px; }
  .mockup-content { height: 220px; }
  .benefit-card { min-height: auto; }
  .benefit-card > span { margin-bottom: 24px; }
  .option-list { grid-template-columns: 1fr; }
  .flow-list { grid-template-columns: 1fr 1fr; }
  .flow-list li { min-height: 150px; }
  .slide-footer { margin-top: 34px; }
  .slide-footer > span:first-child { max-width: 82%; }
  .price-note { margin-top: 28px; }
  .cover-visual { min-height: 280px; }
  .plate-one { width: 170px; height: 170px; }
  .plate-two { width: 100px; height: 100px; }
}
@media (max-width: 460px) {
  .viewer-actions button:last-child { display: none; }
  .flow-list { grid-template-columns: 1fr; }
  .numbered-feature { grid-template-columns: 42px 1fr; }
  .option-list > div { align-items: flex-start; flex-direction: column; gap: 4px; padding: 10px 0; }
  .contact-link { display: flex; flex-direction: column; gap: 2px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
@media print {
  @page { size: 16in 9in; margin: 0; }
  html, body { background: #fff; }
  .viewer-bar, .noscript { display: none !important; }
  .deck { width: 100%; max-width: none; margin: 0; padding: 0; }
  .slide { width: 100%; height: 100vh; aspect-ratio: 16/9; min-height: 0; margin: 0; box-shadow: none; break-after: page; page-break-after: always; }
  .slide:last-child { break-after: auto; page-break-after: auto; }
}