@charset "UTF-8";
:root {
  --canvas: #f7f8fa;
  --surface: #fff;
  --soft: #f0f3f5;
  --warm: #fbfaf7;
  --ink: #0b1220;
  --text: #344054;
  --muted: #667085;
  --line: #e4e7ec;
  --teal: #0f766e;
  --teal-dark: #115e59;
  --teal-light: #f0fdfa;
  --warm-accent: #c56a31;
  --font: "Noto Sans JP", "Hiragino Sans", "Yu Gothic UI", "Yu Gothic", Meiryo, system-ui, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 100px; }
body { margin: 0; color: var(--ink); background: var(--surface); font: 16px/1.8 var(--font); -webkit-font-smoothing: antialiased; overflow-wrap: break-word; }
button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }
a { color: inherit; text-decoration: none; }
button:focus-visible, a:focus-visible, summary:focus-visible, [tabindex]:focus-visible { outline: 3px solid var(--teal); outline-offset: 5px; }
::selection { color: var(--teal-dark); background: #ccfbf1; }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { font-weight: 700; }
ul, ol { margin: 0; padding: 0; }
svg { display: block; max-width: 100%; }
[hidden] { display: none !important; }
.icon-defs { position: absolute; width: 0; height: 0; overflow: hidden; }
.icon { width: 24px; height: 24px; flex: 0 0 24px; fill: none; stroke: currentColor; stroke-width: 1.65; stroke-linecap: round; stroke-linejoin: round; }
.section-shell { width: min(1200px, calc(100% - 80px)); margin-inline: auto; }
.section-space { padding-block: 120px; }
.eyebrow { color: var(--teal); font: 600 11px/1.6 system-ui, sans-serif; letter-spacing: .15em; }
h2 { font-size: clamp(32px, 3.35vw, 44px); line-height: 1.5; letter-spacing: -.045em; }
.section-lead { color: var(--text); font-size: 18px; line-height: 1.95; }
.section-note { color: var(--muted); font-size: 12px; line-height: 1.9; }
.muted-text { color: var(--muted); }
.mobile-br { display: none; }
.skip-link { position: fixed; top: 12px; left: 12px; z-index: 100; padding: 12px 20px; background: var(--teal); color: white; border-radius: 8px; transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }
.button { display: inline-flex; justify-content: center; align-items: center; gap: 28px; min-height: 56px; padding: 15px 25px; border: 1px solid var(--teal); border-radius: 12px; background: var(--teal); color: white; font-size: 14px; font-weight: 700; line-height: 1.6; transition: background .2s, transform .2s, box-shadow .2s; }
.button:hover { background: var(--teal-dark); border-color: var(--teal-dark); transform: translateY(-2px); box-shadow: 0 8px 22px #0f766e16; }
.button .icon, .text-link .icon { width: 20px; height: 20px; flex-basis: 20px; }
.button-small { min-height: 46px; padding: 10px 16px; gap: 14px; font-size: 12px; }
.button-white { background: white; color: var(--teal-dark); border-color: white; }
.button-white:hover { background: #ccfbf1; color: var(--teal-dark); border-color: #ccfbf1; }
.text-link { display: inline-flex; gap: 18px; align-items: center; min-height: 44px; font-weight: 700; font-size: 14px; }
.text-link .icon { transition: transform .2s; }
.text-link:hover .icon { transform: translateX(4px); }
.text-link:hover { color: var(--teal); }
.badge { display: inline-flex; align-items: center; border-radius: 999px; padding: 4px 10px; font-size: 11px; line-height: 1.5; font-weight: 600; white-space: nowrap; }
.badge-development { background: #fffaeb; color: #b54708; }
.badge-planned { background: #eff8ff; color: #175cd3; }
.badge-dark { color: #a5f3e7; border: 1px solid #3e665f; background: #1c3833; }
.badge-alpha { color: var(--teal-dark); background: #ccfbf1; }

.site-header { position: sticky; z-index: 30; top: 0; background: #ffffffed; border-bottom: 1px solid #e4e7ecad; backdrop-filter: blur(18px); }
.header-inner { max-width: 1360px; margin: auto; padding-inline: 40px; min-height: 88px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 12px; flex-shrink: 0; min-height: 48px; }
.brand-mark { width: 37px; height: 37px; fill: none; stroke: var(--teal); stroke-width: 1.75; stroke-linecap: round; }
.brand-name { font-size: 21px; font-weight: 700; letter-spacing: -.045em; line-height: 1.5; }
.brand-name small { display: block; color: var(--muted); font: 500 9px/1.5 system-ui, sans-serif; letter-spacing: .14em; }
.primary-nav { display: flex; gap: 27px; align-items: center; }
.primary-nav > a:not(.button) { padding-block: 14px; font-size: 12px; font-weight: 600; }
.primary-nav > a:not(.button):hover { color: var(--teal); }
.nav-toggle { width: 48px; height: 48px; border: 0; border-radius: 10px; background: transparent; color: var(--ink); display: none; align-items: center; justify-content: center; }

.hero { position: relative; display: grid; grid-template-columns: 1.08fr 1fr; gap: 5px; align-items: center; padding-block: 75px 110px; min-height: 755px; }
.hero .eyebrow { font-size: 10px; letter-spacing: .1em; display: flex; align-items: center; gap: 9px; }
.status-dot { height: 6px; width: 6px; border-radius: 50%; background: var(--teal); flex: 0 0 6px; }
.hero h1 { font-size: clamp(40px, 4.65vw, 64px); line-height: 1.4; letter-spacing: -.06em; margin-top: 28px; }
.hero-last { color: var(--teal); position: relative; display: inline-block; }
.hero-last::after { content: ""; display: block; height: 8px; background: #ccfbf1; position: absolute; left: 0; right: 13%; bottom: 5px; z-index: -1; }
.hero-period { color: var(--ink); }
.hero-message { margin-top: 24px; font-size: 21px; font-weight: 700; letter-spacing: .02em; }
.hero-description { margin-top: 17px; color: var(--text); font-size: 14px; line-height: 2; }
.hero-actions { margin-top: 32px; display: flex; gap: 24px; align-items: center; }
.hero-footnote { margin-top: 20px; color: var(--muted); font-size: 10px; }
.hero-art { position: relative; align-self: center; min-width: 0; margin-top: 3px; }
.art-coordinate { color: var(--muted); font: 500 9px/1.5 system-ui, sans-serif; letter-spacing: .14em; }
.art-coordinate-top { position: absolute; top: 0; left: 28px; }
.flow-art { width: 100%; overflow: visible; }
.art-disc { fill: #f2f8f6; }
.art-ring { fill: none; stroke: #dceae5; stroke-width: 1; stroke-dasharray: 2 6; }
.art-grid { stroke: #e2ece7; fill: none; stroke-width: .8; }
.art-wires { stroke: #55a69a; fill: none; stroke-width: 1.5; }
.art-wires path:nth-child(2), .art-wires path:nth-child(5) { stroke: #97c4b9; }
.art-wires path:nth-child(4) { stroke: var(--teal); stroke-width: 2; }
.art-nodes { fill: #f2f8f6; stroke: var(--teal); stroke-width: 1.5; }
.art-labels { fill: #47605a; font-size: 12px; font-weight: 600; }
.art-center { fill: var(--teal-dark); stroke: #fff; stroke-width: 7px; }
.art-logotype { font: 500 34px Georgia, serif; fill: #fff; letter-spacing: -1px; }
.art-subline { font-size: 8px; fill: #d6f2e9; }
.orbit-node { fill: var(--teal); }
.art-caption { fill: #567069; font: 500 9px system-ui, sans-serif; letter-spacing: 1.8px; }
.art-caption-bottom { display: flex; justify-content: center; align-items: center; gap: 9px; color: var(--muted); font-size: 10px; margin-top: -12px; }
.tiny-rule { width: 20px; height: 1px; background: #a8b5b0; }
.scroll-cue { position: absolute; left: 0; bottom: 27px; display: flex; gap: 17px; align-items: center; min-height: 44px; color: var(--muted); font: 500 9px system-ui, sans-serif; letter-spacing: .14em; }
.scroll-line { display: inline-block; height: 32px; width: 1px; background: var(--teal); }

.problem { border-top: 1px solid var(--line); }
.section-heading { max-width: 720px; }
.section-heading h2 { margin-top: 24px; }
.section-heading .section-lead { margin-top: 24px; }
.problem-list { margin-top: 52px; }
.problem-item { display: flex; align-items: center; gap: 26px; border-top: 1px solid var(--line); padding-block: 28px; }
.problem-item:last-child { border-bottom: 1px solid var(--line); }
.item-number { color: var(--teal); font: 400 25px Georgia, serif; width: 48px; }
.problem-item h3 { font-size: 20px; letter-spacing: -.02em; }
.problem-item p { color: var(--muted); font-size: 14px; margin-top: 5px; }
.problem-item > .icon { color: #879b98; margin-left: auto; width: 30px; height: 30px; flex-basis: 30px; }
.bridge-line { margin-top: 40px; display: flex; gap: 16px; align-items: center; font-size: 19px; font-weight: 600; flex-wrap: wrap; }
.bridge-line span { color: var(--teal); }
.bridge-line .icon { margin-left: auto; color: var(--teal); }

.about { background: var(--canvas); }
.about-heading { display: grid; grid-template-columns: 1fr 1fr; align-items: start; gap: 72px; }
.about-heading h2 { margin-top: 22px; }
.about-description { padding-top: 37px; }
.about-description > p + p { color: var(--muted); font-size: 14px; margin-top: 23px; line-height: 2; }
.principles { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 70px; }
.principles article { padding: 0 35px; position: relative; border-left: 1px solid #d8dfe3; }
.principles article:first-child { padding-left: 0; border-left: 0; }
.principle-index { color: var(--muted); font: 500 10px system-ui, sans-serif; letter-spacing: .1em; position: absolute; top: 7px; right: 35px; }
.principles .icon { width: 31px; height: 31px; color: var(--teal); }
.principles h3 { font-size: 25px; margin-top: 25px; letter-spacing: -.035em; }
.principles p { color: var(--muted); font-size: 14px; margin-top: 14px; }

.philosophy { background: var(--warm); position: relative; overflow: hidden; }
.philosophy-inner { display: grid; grid-template-columns: .8fr 1.2fr; position: relative; }
.philosophy-label .eyebrow { color: #995125; }
.small-serif { display: block; margin-top: 42px; font: italic 36px/1.25 Georgia, serif; color: #84654d; letter-spacing: -.02em; }
.philosophy-copy { z-index: 1; }
.philosophy-copy h2 { font-size: clamp(35px, 3.6vw, 48px); }
.philosophy-copy > p { font-size: 16px; color: #695c4d; line-height: 2.2; margin-top: 30px; }
.belief-flow { display: flex; gap: 16px; align-items: center; margin-top: 44px; color: #925228; font-size: 13px; font-weight: 600; }
.flow-connector { width: 46px; height: 1px; background: #d4b69b; position: relative; }
.flow-connector::before, .flow-connector::after { content: ""; position: absolute; width: 5px; height: 5px; border-radius: 50%; background: #b88256; top: -2px; }
.flow-connector::before { left: 0; }.flow-connector::after { right: 0; }
.philosophy-copy .philosophy-closing { color: var(--ink); font-size: 20px; font-weight: 600; margin-top: 40px; }
.philosophy-art { position: absolute; left: -340px; bottom: -205px; width: 700px; height: 450px; transform: rotate(-23deg); }
.thread { position: absolute; height: 170px; width: 690px; border: 1px solid #dbc4ad; border-radius: 50%; }
.thread-1 { top: 50px; }.thread-2 { top: 75px; }.thread-3 { top: 100px; }
.thread-dot { position: absolute; top: 100px; right: 88px; width: 8px; height: 8px; background: var(--warm-accent); border-radius: 50%; }

.compact-heading { max-width: 660px; }
.comparison { display: grid; grid-template-columns: 1fr 70px 1fr; align-items: center; margin-top: 55px; }
.comparison article { min-height: 310px; padding: 30px 30px 24px; border-radius: 20px; }
.comparison-before { background: var(--canvas); border: 1px solid var(--line); }
.comparison-after { background: var(--teal-light); border: 1px solid #cce8e1; }
.comparison-label { font: 600 10px/1.8 system-ui, sans-serif; color: var(--muted); letter-spacing: .12em; display: flex; gap: 18px; align-items: center; }
.comparison-label span { font: 500 12px/1.8 var(--font); letter-spacing: 0; }
.comparison-after .comparison-label { color: var(--teal); }
.scattered-tools { display: flex; gap: 15px; flex-wrap: wrap; justify-content: center; align-items: center; min-height: 190px; max-width: 340px; margin: auto; padding-block: 20px; }
.scattered-tools span { padding: 12px 17px; border-radius: 6px; border: 1px solid #d8dde2; background: #fff; font-size: 13px; color: var(--text); }
.tool-paper { transform: rotate(-8deg); }.tool-sheet { transform: rotate(5deg) translateY(-8px); }.tool-chat { transform: rotate(-4deg); }.tool-reserve { transform: rotate(4deg); }.tool-pos { transform: rotate(-8deg); }
.comparison-arrow { display: flex; justify-content: center; color: var(--teal); }
.comparison-note { text-align: center; color: var(--muted); font-size: 12px; }
.connected-tools { max-width: 310px; margin: 25px auto 19px; display: grid; grid-template-columns: 1fr 1fr; gap: 12px 24px; position: relative; text-align: center; }
.connected-tools span { font-size: 12px; padding: 9px 14px; border-radius: 8px; border: 1px solid #c3ded7; background: white; z-index: 1; }
.connected-tools strong { background: var(--teal); color: white; grid-column: span 2; border-radius: 9px; padding: 16px 10px; font-size: 16px; z-index: 1; }
.connected-tools::after { content: ""; position: absolute; inset: 25px 25%; border-left: 1px solid #83b3a8; border-right: 1px solid #83b3a8; }
.before-after > .section-note { margin-top: 22px; text-align: center; }

.features { background: var(--canvas); }
.split-heading { display: flex; justify-content: space-between; align-items: flex-end; gap: 40px; }
.split-heading h2 { margin-top: 22px; }
.split-heading > :last-child { max-width: 380px; }
.split-heading .section-note { margin-top: 17px; }
.feature-grid { margin-top: 55px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.feature-card { background: white; border: 1px solid var(--line); border-radius: 18px; padding: 30px 26px 22px; transition: border-color .2s, transform .2s; }
.feature-card:hover { border-color: #96bfb6; transform: translateY(-3px); }
.feature-card-top { display: flex; justify-content: space-between; align-items: center; }
.feature-icon { color: var(--teal); width: 30px; height: 30px; }
.feature-number { color: var(--muted); font: 400 18px Georgia, serif; }
.feature-card h3 { margin-top: 24px; font-size: 23px; letter-spacing: -.025em; }
.feature-card > p { color: var(--muted); margin-top: 13px; font-size: 13px; line-height: 1.9; }
.feature-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 24px; }
.feature-tags span { font-size: 10px; background: var(--canvas); border-radius: 4px; padding: 5px 9px; color: var(--text); }
.feature-status { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; padding-top: 18px; margin-top: 22px; border-top: 1px solid var(--line); }
.feature-status > span:last-child { font-size: 10px; color: var(--muted); }

.flow-explorer { margin-top: 52px; border: 1px solid var(--line); border-radius: 20px; overflow: hidden; }
.flow-tabs { display: none; border-bottom: 1px solid var(--line); background: var(--canvas); padding: 7px; gap: 6px; }
.js .flow-tabs { display: flex; }
.flow-tabs button { flex: 1; min-height: 58px; background: transparent; border: 1px solid transparent; border-radius: 12px; font-size: 14px; color: var(--muted); font-weight: 600; }
.flow-tabs button span { font: 400 15px Georgia, serif; display: inline-block; margin-right: 7px; }
.flow-tabs button[aria-selected="true"] { color: var(--teal); background: #fff; border-color: #d7e4df; box-shadow: 0 2px 4px #153a2705; }
.flow-tabs button:hover { color: var(--teal); }
.flow-panel { padding: 46px 34px; }
.flow-panel + .flow-panel { border-top: 1px solid var(--line); }
.js .flow-panel + .flow-panel { border-top: 0; }
.flow-panel-kicker { font-size: 21px; font-weight: 700; text-align: center; letter-spacing: -.015em; }
.flow-steps { list-style: none; display: flex; align-items: center; justify-content: space-between; gap: 28px; margin-top: 38px; }
.flow-steps li { flex: 1; position: relative; background: var(--teal-light); border: 1px solid #cde6df; color: var(--teal-dark); padding: 20px 5px; text-align: center; border-radius: 10px; font-size: 13px; font-weight: 600; }
.flow-steps li:not(:last-child)::after { content: ""; position: absolute; height: 1px; width: 29px; background: #8cbaae; right: -29px; top: 50%; }
.flow-steps li:not(:last-child)::before { content: ""; position: absolute; height: 5px; width: 5px; border-radius: 50%; background: var(--teal); right: -17px; top: calc(50% - 2px); z-index: 1; }
.flow-panel > p:last-child { font-size: 13px; color: var(--muted); text-align: center; margin-top: 28px; }
.flow-explorer-footer { display: flex; gap: 14px; align-items: center; padding: 20px 34px; background: var(--canvas); border-top: 1px solid var(--line); }
.flow-explorer-footer p { font-size: 11px; color: var(--muted); }

.ai-section { background: #102724; color: #fff; position: relative; overflow: hidden; }
.ai-section :focus-visible, .final-section :focus-visible, .alpha :focus-visible { outline-color: #5eead4; }
.ai-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.ai-section .eyebrow { color: #92cdbf; }
.ai-copy h2 { margin-top: 24px; line-height: 1.5; }
.ai-copy h2 span { color: #a8ddcd; }
.ai-copy .section-lead { color: #e1eeea; margin-top: 30px; }
.ai-copy > p:not(.section-lead):not(.eyebrow) { color: #a9c1b9; font-size: 14px; margin-top: 23px; line-height: 2; }
.ai-copy .text-link { margin-top: 26px; }
.light-link { color: #d5f6eb; }
.light-link:hover { color: #fff; }
.ai-illustration { background: #163630; border: 1px solid #36594e; border-radius: 24px; position: relative; }
.ai-window-top { display: flex; gap: 12px; align-items: center; padding: 21px 24px; border-bottom: 1px solid #315448; font-size: 13px; }
.ai-symbol { color: #a8ddcd; }
.ai-window-top .badge { margin-left: auto; font-size: 10px; }
.ai-example { padding: 37px 34px 30px; }
.ai-example-label { color: #a8c5bc; font-size: 12px; }
.ai-example h3 { font-size: 27px; line-height: 1.7; margin-top: 16px; letter-spacing: -.025em; }
.ai-possibilities { margin-top: 29px; display: grid; gap: 15px; }
.ai-possibilities > div { display: flex; align-items: center; gap: 15px; color: #def3eb; font-size: 13px; }
.ai-possibilities .icon { width: 20px; height: 20px; flex-basis: 20px; color: #80bca7; }
.ai-example-note { color: #a1beb3; font-size: 10px; margin-top: 28px; line-height: 1.9; }
.ai-human { padding: 20px 34px; border-top: 1px solid #315448; display: flex; align-items: center; gap: 10px; color: #b6e4d1; font-size: 12px; }
.small-node { background: #9cdfc4; width: 6px; height: 6px; border-radius: 50%; }
.ai-conditions { padding-top: 54px; margin-top: 54px; border-top: 1px solid #355147; }
.ai-conditions p { display: flex; align-items: flex-start; gap: 36px; font-size: 12px; }
.ai-conditions strong { color: #d0eee0; flex: 0 0 175px; font-weight: 600; }
.ai-conditions span { color: #acc4b9; max-width: 820px; line-height: 1.9; }

.demo-stage { margin-top: 50px; border: 1px solid var(--line); border-radius: 24px; background: var(--canvas); overflow: hidden; }
.demo-stage-top, .demo-stage-bottom { display: flex; align-items: center; gap: 10px; padding: 19px 26px; font: 500 9px/1.5 system-ui, sans-serif; letter-spacing: .12em; color: var(--muted); }
.demo-stage-top { border-bottom: 1px solid var(--line); }
.demo-stage-top > :last-child, .demo-stage-bottom > :last-child { margin-left: auto; }
.demo-dot { width: 5px; height: 5px; border-radius: 50%; background: var(--teal); }
.demo-placeholder { text-align: center; padding: 90px 24px 100px; position: relative; isolation: isolate; overflow: hidden; }
.demo-orbit { position: absolute; top: 50%; left: 50%; width: 450px; height: 450px; border: 1px solid #e1e8e2; border-radius: 50%; transform: translate(-50%, -50%); z-index: -1; }
.demo-orbit::before { content: ""; position: absolute; inset: 30px; border: 1px solid #e1e8e2; border-radius: 50%; }
.demo-soon { color: var(--teal-dark); font: 400 clamp(65px, 9.2vw, 126px)/1.2 Georgia, serif; letter-spacing: -.06em; }
.demo-soon span { color: #508676; }
.demo-placeholder > p:not(.demo-soon) { margin-top: 25px; font-size: 16px; font-weight: 600; }
.demo-small { display: block; margin-top: 15px; font-size: 11px; color: var(--muted); }
.demo-stage-bottom { border-top: 1px solid var(--line); }

.alpha { background: var(--teal); color: #fff; }
.alpha-layout { display: grid; grid-template-columns: 1.12fr 1fr; gap: 88px; align-items: center; }
.alpha .eyebrow { color: #d7f1e7; }
.alpha-kicker { display: flex; gap: 24px; align-items: center; margin-top: 28px; }
.alpha-symbol { font: 400 70px/1 Georgia, serif; color: #bdf0e0; }
.alpha-kicker .badge { font-size: 11px; }
.alpha h2 { margin-top: 22px; font-size: clamp(32px, 3.1vw, 42px); }
.alpha .section-lead { color: #d7f1e7; font-size: 15px; margin-top: 25px; }
.alpha .button { margin-top: 31px; }
.alpha-note { font-size: 10px; color: #e2f5ed; margin-top: 17px; line-height: 1.9; }
.alpha-details { padding: 38px 34px; border: 1px solid #91c9bb75; border-radius: 20px; background: #ffffff07; }
.alpha-price > span { font-size: 12px; color: #e2f5ed; }
.alpha-price strong { display: block; margin-top: 10px; font-size: 34px; font-weight: 650; line-height: 1.6; letter-spacing: -.03em; }
.alpha-price strong span { font-size: 14px; font-weight: 400; letter-spacing: 0; }
.alpha-price p { font-size: 11px; color: #e2f5ed; margin-top: 13px; }
.alpha-points { list-style: none; display: grid; gap: 18px; margin-top: 28px; padding-block: 28px; border-top: 1px solid #8ac0ae65; border-bottom: 1px solid #8ac0ae65; }
.alpha-points li { display: flex; gap: 12px; align-items: flex-start; font-size: 12px; }
.alpha-points .icon { width: 18px; height: 18px; flex-basis: 18px; margin-top: 2px; color: #b9e8d4; }
.beta-note { padding-top: 25px; }
.beta-note > span { font-size: 13px; font-weight: 600; }
.beta-note p { color: #e2f5ed; font-size: 11px; margin-top: 10px; }

.participation-heading { display: grid; grid-template-columns: 1fr 1fr; gap: 100px; }
.participation-heading h2 { margin-top: 23px; }
.participation-heading .section-lead { margin-top: 24px; }
.participation-steps { list-style: none; }
.participation-steps li { display: flex; gap: 22px; padding-block: 18px; position: relative; }
.participation-steps li:first-child { padding-top: 0; }
.participation-steps li > span { background: var(--teal-light); border: 1px solid #cce4dc; width: 38px; height: 38px; flex: 0 0 38px; border-radius: 50%; display: grid; place-items: center; color: var(--teal); font: 500 11px system-ui, sans-serif; z-index: 1; }
.participation-steps li:not(:last-child)::after { content: ""; width: 1px; position: absolute; background: #d1dfd8; left: 19px; top: 35px; bottom: -18px; }
.participation-steps h3 { font-size: 16px; }
.participation-steps p { color: var(--muted); font-size: 12px; margin-top: 5px; }
.faq-layout { margin-top: 100px; padding-top: 72px; border-top: 1px solid var(--line); display: grid; grid-template-columns: .8fr 1.2fr; gap: 60px; }
.faq-layout h2 { font-size: 30px; margin-top: 20px; }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list details:first-child { border-top: 1px solid var(--line); }
.faq-list summary { min-height: 82px; display: flex; justify-content: space-between; align-items: center; gap: 20px; cursor: pointer; list-style: none; font-size: 14px; font-weight: 600; padding-block: 24px; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary:hover { color: var(--teal); }
.faq-plus { flex: 0 0 22px; width: 22px; height: 22px; position: relative; }
.faq-plus::before, .faq-plus::after { content: ""; background: var(--teal); width: 12px; height: 1px; position: absolute; left: 5px; top: 10px; }
.faq-plus::after { transform: rotate(90deg); transition: transform .2s; }
.faq-list details[open] .faq-plus::after { transform: rotate(0); }
.faq-list details > p { color: var(--muted); font-size: 13px; padding: 0 34px 26px 0; line-height: 2; }

.final-section { background: var(--ink); color: #fff; overflow: hidden; position: relative; text-align: center; }
.final-inner { position: relative; }
.final-section .eyebrow { color: #a8c7be; }
.final-section h2 { font-size: clamp(42px, 5vw, 68px); line-height: 1.45; letter-spacing: -.04em; margin-top: 36px; }
.final-section .section-lead { color: #c3ccd0; margin-top: 28px; font-size: 16px; }
.final-actions { display: flex; align-items: center; gap: 32px; justify-content: center; margin-top: 36px; position: relative; z-index: 1; }
.contact-email { display: inline-block; color: #bbcbc5; font: 400 15px/1.8 system-ui, sans-serif; letter-spacing: .025em; min-height: 44px; padding-block: 11px; margin-top: 22px; position: relative; z-index: 1; }
.contact-email:hover { color: #fff; }
.contact-hint { color: #a2aebb; font-size: 10px; }
.final-thread { position: absolute; width: 650px; height: 400px; right: -500px; top: 20px; transform: rotate(25deg); pointer-events: none; }
.final-thread span { display: block; position: absolute; width: 640px; height: 200px; border: 1px solid #29453f; border-radius: 50%; }
.final-thread span:nth-child(2) { top: 23px; }.final-thread span:nth-child(3) { top: 46px; }
.site-footer { padding-block: 46px 22px; }
.footer-main { display: flex; align-items: center; gap: 60px; padding-bottom: 34px; }
.footer-main > p { font-size: 11px; color: var(--muted); }
.back-to-top { margin-left: auto; font-size: 11px; display: flex; gap: 12px; align-items: center; min-height: 44px; }
.back-to-top .icon { width: 17px; height: 17px; transform: rotate(-90deg); }
.footer-bottom { display: flex; justify-content: space-between; gap: 24px; border-top: 1px solid var(--line); padding-top: 20px; color: var(--muted); font: 400 10px/1.9 var(--font); }
.mobile-dock { display: none; }
.noscript-note { padding: 20px; text-align: center; color: var(--muted); font-size: 12px; background: var(--canvas); }

@media (min-width: 1440px) {
  .hero { gap: 30px; }
}
@media (max-width: 1100px) {
  .section-shell { width: calc(100% - 64px); }
  .header-inner { padding-inline: 32px; gap: 18px; }
  .primary-nav { gap: 18px; }
  .primary-nav > a:not(.button) { font-size: 11px; }
  .brand-name { font-size: 19px; }
  .hero { min-height: 690px; padding-top: 66px; }
  .hero-actions { gap: 16px; }
  .hero-actions .button { padding-inline: 18px; gap: 18px; }
  .hero-actions .text-link { font-size: 12px; }
  .about-heading, .ai-layout { gap: 48px; }
  .alpha-layout { gap: 45px; }
  .feature-card { padding-inline: 21px; }
  .feature-card > p { font-size: 12px; }
  .feature-card h3 { font-size: 21px; }
  .participation-heading { gap: 60px; }
}
@media (max-width: 900px) {
  .section-space { padding-block: 92px; }
  .header-inner { min-height: 76px; }
  .primary-nav { gap: 14px; }
  .primary-nav > a:not(.button) { font-size: 10px; }
  .primary-nav .button-small { padding-inline: 12px; gap: 10px; font-size: 10px; }
  .brand-mark { width: 30px; height: 30px; }
  .brand { gap: 8px; }
  .brand-name { font-size: 18px; }
  .hero { grid-template-columns: 1.1fr 1fr; padding-block: 55px 105px; min-height: 650px; }
  .hero h1 { font-size: 40px; }
  .hero .eyebrow { font-size: 8px; }
  .hero-description { font-size: 12px; }
  .hero-message { font-size: 18px; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 8px; margin-top: 25px; }
  .hero-footnote { max-width: 315px; line-height: 1.8; }
  .hero-art { margin-right: -8px; }
  .art-coordinate-top { font-size: 8px; left: 20px; top: -14px; }
  .about-heading { gap: 35px; }
  .about-description { padding-top: 25px; }
  .about-description .section-lead { font-size: 16px; }
  .principles article { padding-inline: 22px; }
  .principles h3 { font-size: 23px; }
  .principles p { font-size: 12px; }
  .philosophy-inner { grid-template-columns: .8fr 1.2fr; }
  .small-serif { font-size: 30px; }
  .philosophy-copy > p { font-size: 14px; }
  .philosophy-copy h2 { font-size: 35px; }
  .comparison { grid-template-columns: 1fr 40px 1fr; }
  .comparison article { padding: 25px 18px; min-height: 325px; }
  .comparison-label { flex-wrap: wrap; gap: 0 15px; }
  .scattered-tools { gap: 12px; min-height: 196px; }
  .scattered-tools span { padding: 10px 14px; font-size: 12px; }
  .connected-tools { margin-top: 32px; gap: 12px 16px; }
  .split-heading .section-lead { font-size: 16px; }
  .split-heading > :last-child { max-width: 300px; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-card > p { font-size: 13px; }
  .flow-tabs button { font-size: 12px; }
  .flow-tabs button span { font-size: 13px; margin-right: 3px; }
  .flow-panel { padding-inline: 24px; }
  .flow-steps { gap: 18px; }
  .flow-steps li { font-size: 11px; padding-block: 17px; }
  .flow-steps li:not(:last-child)::after { width: 19px; right: -19px; }
  .flow-steps li:not(:last-child)::before { right: -12px; }
  .ai-layout { gap: 35px; }
  .ai-copy h2 { font-size: 34px; }
  .ai-copy .section-lead { font-size: 15px; }
  .ai-copy > p:not(.section-lead):not(.eyebrow) { font-size: 12px; }
  .ai-example { padding: 30px 24px; }
  .ai-example h3 { font-size: 23px; }
  .ai-window-top { padding: 18px; gap: 8px; font-size: 11px; }
  .ai-possibilities > div { font-size: 11px; gap: 11px; }
  .ai-conditions p { gap: 20px; }
  .ai-conditions strong { flex-basis: 155px; }
  .alpha-layout { grid-template-columns: 1fr 1fr; gap: 30px; }
  .alpha h2 { font-size: 31px; }
  .alpha-details { padding: 30px 24px; }
  .alpha-price strong { font-size: 29px; }
  .alpha-price strong span { display: block; font-size: 13px; }
  .alpha .section-lead { font-size: 13px; }
  .alpha .button { gap: 18px; padding-inline: 20px; font-size: 12px; }
  .participation-heading { gap: 45px; }
  .participation-steps h3 { font-size: 14px; }
  .participation-steps p { font-size: 11px; }
  .faq-layout { grid-template-columns: .65fr 1.35fr; gap: 35px; }
  .faq-list summary { font-size: 13px; }
  .footer-main { gap: 32px; }
}
@media (max-width: 760px) {
  html { scroll-padding-top: 90px; }
  .section-shell { width: calc(100% - 40px); }
  .section-space { padding-block: 80px; }
  h2 { font-size: 31px; line-height: 1.55; letter-spacing: -.045em; }
  .section-lead { font-size: 16px; }
  .eyebrow { font-size: 9px; letter-spacing: .11em; }
  .desktop-br { display: none; }
  .mobile-br { display: initial; }
  .header-inner { padding-inline: 20px; min-height: 72px; flex-wrap: wrap; gap: 0; }
  .brand-mark { width: 33px; height: 33px; }
  .brand-name { font-size: 20px; }
  .brand-name small { font-size: 8px; }
  .brand { gap: 10px; }
  .js .nav-toggle { display: flex; margin-left: auto; }
  .primary-nav { width: 100%; display: flex; gap: 6px 16px; flex-wrap: wrap; padding-bottom: 16px; }
  .primary-nav > a:not(.button) { font-size: 12px; }
  .js .primary-nav { display: none; }
  .js .site-header.menu-open .primary-nav { display: flex; flex-direction: column; align-items: stretch; gap: 0; padding: 12px 0 24px; }
  .js .site-header.menu-open .primary-nav > a:not(.button) { border-top: 1px solid var(--line); padding: 15px 2px; font-size: 14px; }
  .js .primary-nav .button-small { margin-top: 12px; min-height: 52px; font-size: 14px; }
  .hero { display: flex; flex-direction: column; align-items: stretch; padding-block: 48px 66px; gap: 34px; min-height: auto; }
  .hero .eyebrow { font-size: 7px; letter-spacing: .07em; gap: 7px; }
  .hero h1 { margin-top: 22px; font-size: clamp(32px, 9.5vw, 50px); line-height: 1.42; letter-spacing: -.055em; }
  .hero-last::after { height: 6px; bottom: 4px; }
  .hero-message { margin-top: 22px; font-size: 18px; }
  .hero-description { margin-top: 16px; font-size: 13px; line-height: 2.05; }
  .hero-actions { display: flex; flex-direction: row; align-items: center; gap: 16px; margin-top: 25px; }
  .hero-actions .button { font-size: 12px; gap: 12px; min-height: 52px; padding-inline: 16px; }
  .hero-actions .text-link { font-size: 11px; gap: 6px; }
  .hero-actions .text-link .icon { width: 17px; height: 17px; flex-basis: 17px; }
  .hero-footnote { margin-top: 16px; max-width: none; font-size: 9px; }
  .hero-art { width: min(440px, 100%); margin: 12px auto 15px; }
  .art-coordinate-top { top: -9px; left: 0; font-size: 7px; }
  .art-caption-bottom { font-size: 9px; margin-top: -6px; }
  .scroll-cue { bottom: 2px; font-size: 8px; gap: 13px; }
  .scroll-line { height: 24px; }
  .section-heading h2 { margin-top: 20px; }
  .section-heading .section-lead { font-size: 14px; margin-top: 23px; }
  .problem-list { margin-top: 34px; }
  .problem-item { gap: 13px; padding-block: 22px; align-items: flex-start; }
  .item-number { flex: 0 0 28px; width: 28px; font-size: 20px; padding-top: 3px; }
  .problem-item h3 { font-size: 16px; line-height: 1.7; }
  .problem-item p { font-size: 12px; line-height: 1.9; margin-top: 8px; }
  .problem-item > .icon { display: none; }
  .bridge-line { font-size: 16px; gap: 0 6px; margin-top: 28px; }
  .bridge-line .icon { width: 20px; height: 20px; flex-basis: 20px; }
  .about-heading { display: block; }
  .about-description { padding-top: 28px; }
  .about-description .section-lead { font-size: 16px; }
  .about-description > p + p { font-size: 13px; margin-top: 18px; }
  .principles { grid-template-columns: 1fr; margin-top: 35px; }
  .principles article { border-left: 0; border-top: 1px solid #d8dfe3; padding: 28px 0 24px 54px; }
  .principles article:first-child { padding-left: 54px; border-top: 1px solid #d8dfe3; }
  .principles .icon { position: absolute; left: 0; top: 34px; width: 29px; height: 29px; }
  .principle-index { top: 35px; right: 0; }
  .principles h3 { margin-top: 0; font-size: 23px; }
  .principles p { margin-top: 10px; font-size: 13px; }
  .philosophy-inner { display: block; }
  .philosophy-label .small-serif { display: none; }
  .philosophy-copy { position: relative; margin-top: 26px; }
  .philosophy-copy h2 { font-size: 33px; }
  .philosophy-copy > p { margin-top: 24px; font-size: 13px; line-height: 2.15; }
  .belief-flow { gap: 11px; font-size: 11px; margin-top: 32px; }
  .flow-connector { width: 31px; }
  .philosophy-copy .philosophy-closing { font-size: 18px; line-height: 1.9; margin-top: 32px; }
  .philosophy-art { opacity: .6; bottom: -260px; left: -480px; }
  .comparison { grid-template-columns: 1fr; gap: 14px; margin-top: 32px; }
  .comparison article { min-height: 286px; padding: 24px; }
  .comparison-label { font-size: 9px; gap: 14px; }
  .comparison-label span { font-size: 11px; }
  .scattered-tools { min-height: 185px; max-width: 310px; }
  .comparison-arrow .icon { transform: rotate(90deg); width: 22px; height: 22px; }
  .connected-tools { margin-top: 24px; max-width: 270px; }
  .before-after > .section-note { text-align: left; font-size: 10px; }
  .split-heading { display: block; }
  .split-heading > :last-child { margin-top: 22px; max-width: none; }
  .split-heading .section-lead { font-size: 14px; }
  .split-heading .section-note { font-size: 10px; margin-top: 16px; }
  .feature-grid { margin-top: 32px; grid-template-columns: 1fr; gap: 15px; }
  .feature-card { padding: 25px 24px 21px; }
  .feature-card-top { float: right; gap: 18px; }
  .feature-icon { width: 28px; height: 28px; }
  .feature-number { font-size: 16px; }
  .feature-card h3 { margin-top: 0; font-size: 22px; }
  .feature-card > p { font-size: 13px; margin-top: 12px; }
  .feature-tags { margin-top: 18px; }
  .feature-status { margin-top: 18px; padding-top: 15px; gap: 12px; }
  .feature-tags span { font-size: 10px; }
  .feature-status > span:last-child { font-size: 10px; }
  .flow-explorer { margin-top: 32px; border-radius: 16px; }
  .js .flow-tabs { display: grid; grid-template-columns: 1fr 1fr; gap: 5px; padding: 7px; }
  .flow-tabs button { font-size: 11px; min-height: 49px; }
  .flow-tabs button span { font-size: 12px; }
  .flow-panel { padding: 30px 22px; }
  .flow-panel-kicker { font-size: 16px; }
  .flow-steps { flex-direction: column; align-items: stretch; gap: 23px; max-width: 220px; margin: 28px auto 0; }
  .flow-steps li { font-size: 13px; padding: 12px 8px; }
  .flow-steps li:not(:last-child)::after { width: 1px; height: 24px; top: auto; right: auto; left: 50%; bottom: -24px; }
  .flow-steps li:not(:last-child)::before { top: auto; right: auto; left: calc(50% - 2px); bottom: -15px; }
  .flow-panel > p:last-child { text-align: left; font-size: 11px; margin-top: 25px; }
  .flow-explorer-footer { flex-direction: column; align-items: flex-start; gap: 12px; padding: 20px 22px; }
  .flow-explorer-footer p { font-size: 10px; }
  .ai-layout { display: block; }
  .ai-copy h2 { font-size: 35px; margin-top: 24px; }
  .ai-copy .section-lead { font-size: 15px; margin-top: 25px; }
  .ai-copy > p:not(.section-lead):not(.eyebrow) { font-size: 13px; margin-top: 20px; }
  .ai-copy .text-link { font-size: 12px; margin-top: 22px; }
  .ai-illustration { margin-top: 38px; border-radius: 18px; }
  .ai-window-top { padding: 19px 20px; font-size: 11px; }
  .ai-example { padding: 29px 25px; }
  .ai-example h3 { font-size: 25px; }
  .ai-possibilities > div { font-size: 12px; }
  .ai-example-note { font-size: 10px; }
  .ai-human { padding: 19px 25px; }
  .ai-conditions { padding-top: 28px; margin-top: 38px; }
  .ai-conditions p { display: block; }
  .ai-conditions strong { display: block; font-size: 12px; }
  .ai-conditions span { display: block; margin-top: 13px; font-size: 11px; }
  .demo-stage { margin-top: 30px; border-radius: 18px; }
  .demo-stage-top, .demo-stage-bottom { padding: 17px 18px; font-size: 7px; letter-spacing: .08em; }
  .demo-placeholder { padding: 80px 15px 90px; }
  .demo-orbit { width: 290px; height: 290px; }
  .demo-soon { font-size: clamp(65px, 20vw, 105px); }
  .demo-placeholder > p:not(.demo-soon) { font-size: 13px; margin-top: 20px; }
  .demo-small { font-size: 9px; margin-top: 12px; }
  .alpha-layout { display: block; }
  .alpha-kicker { margin-top: 25px; gap: 20px; }
  .alpha-symbol { font-size: 62px; }
  .alpha h2 { font-size: 32px; }
  .alpha .section-lead { font-size: 13px; }
  .alpha .button { font-size: 13px; gap: 24px; padding-inline: 23px; min-height: 56px; margin-top: 27px; }
  .alpha-note { font-size: 10px; }
  .alpha-details { margin-top: 34px; padding: 29px 25px; }
  .alpha-price strong { font-size: 32px; }
  .alpha-price strong span { display: inline; font-size: 13px; }
  .alpha-points { margin-top: 23px; padding-block: 23px; gap: 17px; }
  .alpha-points li { font-size: 12px; }
  .participation-heading { display: block; }
  .participation-heading .section-lead { font-size: 14px; margin-top: 20px; }
  .participation-steps { margin-top: 35px; }
  .participation-steps li { gap: 17px; padding-block: 17px; }
  .participation-steps h3 { font-size: 14px; }
  .participation-steps p { font-size: 11px; }
  .faq-layout { margin-top: 57px; padding-top: 45px; display: block; }
  .faq-layout h2 { font-size: 28px; margin-top: 15px; }
  .faq-list { margin-top: 30px; }
  .faq-list summary { font-size: 13px; min-height: 78px; padding-block: 23px; gap: 15px; }
  .faq-list details > p { font-size: 12px; padding-right: 15px; }
  .final-section h2 { font-size: 40px; margin-top: 30px; }
  .final-section .eyebrow { font-size: 8px; }
  .final-section .section-lead { font-size: 13px; margin-top: 23px; }
  .final-actions { flex-direction: column; gap: 18px; margin-top: 28px; }
  .final-actions .button { min-width: 235px; }
  .final-actions .text-link { font-size: 12px; }
  .contact-email { font-size: 14px; margin-top: 18px; }
  .final-thread { right: -610px; top: 50px; }
  .site-footer { padding-block: 33px 95px; }
  .footer-main { flex-wrap: wrap; gap: 25px; padding-bottom: 28px; }
  .footer-main > p { display: none; }
  .footer-main .brand-mark { width: 30px; height: 30px; }
  .footer-main .brand-name { font-size: 18px; }
  .back-to-top { font-size: 10px; gap: 8px; }
  .back-to-top .icon { width: 15px; height: 15px; flex-basis: 15px; }
  .footer-bottom { flex-direction: column; gap: 8px; font-size: 9px; padding-top: 20px; }
  .mobile-dock { display: flex; position: fixed; bottom: 0; left: 0; right: 0; z-index: 25; background: #fffffff5; padding: 10px 16px calc(10px + env(safe-area-inset-bottom)); border-top: 1px solid var(--line); backdrop-filter: blur(16px); gap: 10px; box-shadow: 0 -5px 20px #0b122008; }
  .mobile-dock a { min-height: 46px; flex: 1; display: flex; align-items: center; justify-content: center; gap: 8px; border: 1px solid #cbd5d1; border-radius: 10px; font-size: 11px; font-weight: 600; }
  .mobile-dock a:last-child { background: var(--teal); color: #fff; border-color: var(--teal); }
  .mobile-dock .icon { width: 15px; height: 15px; flex-basis: 15px; }
}
@media (max-width: 380px) {
  .hero-description { font-size: 12px; }
  .hero-actions { gap: 12px; }
  .hero-actions .button { padding-inline: 14px; gap: 10px; }
  .hero-actions .text-link { font-size: 10px; gap: 3px; }
  .hero h1 { letter-spacing: -.065em; }
  .alpha .button { font-size: 12px; gap: 18px; padding-inline: 21px; }
  .alpha-price strong { font-size: 29px; }
  .alpha-price strong span { font-size: 12px; }
  .footer-main { gap: 12px; }
  .back-to-top { font-size: 9px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .button:hover, .feature-card:hover, .text-link:hover .icon { transform: none; }
}
@media print {
  .site-header, .mobile-dock, .scroll-cue, .back-to-top { display: none !important; }
  .section-space { padding-block: 30px; }
  .section-shell { width: 100%; }
  .hero { min-height: 0; padding-block: 20px; }
  .ai-section, .alpha, .final-section { print-color-adjust: exact; }
  .flow-tabs { display: none !important; }
  .flow-panel[hidden] { display: block !important; }
  .faq-list details > p { display: block !important; }
  .feature-card { break-inside: avoid; }
}