@layer reset, tokens, base, layout, components, sections, motion, print;
@font-face {
font-family: "YW Sans";
src: url("../fonts/yw-sans.woff2?v=3f388411fe") format("woff2");
font-weight: 100 900;
font-display: swap;
}
@font-face {
font-family: "YW Serif";
src: url("../fonts/yw-serif.woff2?v=b33297b41a") format("woff2");
font-weight: 200 900;
font-display: swap;
}
@font-face {
font-family: "YW Mono";
src: url("../fonts/yw-mono.woff2?v=b5da2dbc8e") format("woff2");
font-weight: 100 800;
font-stretch: 75% 112.5%;
font-display: swap;
}
@layer tokens {
@property --accent-mix { syntax: "<number>"; inherits: true; initial-value: 0; }
@property --veil { syntax: "<number>"; inherits: true; initial-value: 0; }
@property --mx { syntax: "<percentage>"; inherits: false; initial-value: 50%; }
@property --my { syntax: "<percentage>"; inherits: false; initial-value: 50%; }
@property --on { syntax: "<number>"; inherits: false; initial-value: 0; }
:root {
color-scheme: light dark;
--paper:        light-dark(#edefeb, #0b0e11);
--paper-2:      light-dark(#e3e6e1, #11161b);
--surface:      light-dark(rgb(248 249 246 / .72), rgb(17 22 27 / .66));
--surface-solid:light-dark(#f8f9f6, #12171c);
--ink:          light-dark(#111417, #e6e3da);
--ink-2:        light-dark(#4a5259, #9ba2a8);
--ink-3:        light-dark(#7a8288, #687077);
--line:         light-dark(rgb(17 20 23 / .12), rgb(230 227 218 / .11));
--line-strong:  light-dark(rgb(17 20 23 / .26), rgb(230 227 218 / .24));
--glaze:        light-dark(#0e6b67, #4cc4b5);
--amber:        light-dark(#9c5c08, #e9a23b);
--accent: color-mix(in oklab, var(--glaze), var(--amber) calc(var(--accent-mix) * 100%));
--on-accent:    light-dark(#f8f9f6, #0b0e11);
--danger:       light-dark(#a8321e, #f0806a);
--chamber-bg:     var(--paper);
--chamber-ink:    light-dark(#15191d, #e9e6dd);
--chamber-glaze:  light-dark(#0e6b67, #5fd3c3);
--chamber-amber:  light-dark(#9c5c08, #f0ad4a);
--font-sans: "YW Sans", "PingFang SC", "HarmonyOS Sans SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, sans-serif;
--font-serif: "YW Serif", "Songti SC", "Noto Serif CJK SC", "Source Han Serif SC", "SimSun", serif;
--font-mono: "YW Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
--font-ui: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", system-ui, sans-serif;
--fs-mono: .72rem;
--fs-small: .875rem;
--fs-body: clamp(1rem, .96rem + .2vw, 1.0625rem);
--fs-lead: clamp(1.06rem, .98rem + .45vw, 1.25rem);
--fs-h3: clamp(1.18rem, 1.05rem + .5vw, 1.4rem);
--fs-h2: clamp(2rem, 1.3rem + 3vw, 3.6rem);
--fs-h1: clamp(2.6rem, 1rem + 6vw, 5.6rem);
--fs-display: clamp(4rem, 1rem + 9vw, 8rem);
--fs-vision: clamp(1.5rem, 1rem + 2.6vw, 3.2rem);
--gutter: clamp(20px, 4.2vw, 64px);
--maxw: 1280px;
--col-gap: clamp(16px, 2.2vw, 32px);
--card-pad: clamp(20px, 2.4vw, 32px);
--header-h: 64px;
--section-y: clamp(104px, 15vh, 196px);
--radius: 18px;
--radius-sm: 12px;
--control-h: 52px;
--control-h-sm: 38px;
--ease-out: cubic-bezier(.16, 1, .3, 1);
--ease-in-out: cubic-bezier(.65, 0, .35, 1);
--ease-spring: linear(0, .009, .035 2.1%, .141, .281 6.7%, .723 12.9%, .938 16.7%, 1.017, 1.077, 1.121, 1.149 24.3%, 1.159, 1.163, 1.161, 1.154 29.9%, 1.129 32.8%, 1.051 39.6%, 1.017 43.1%, .991, .977 51%, .974 53.8%, .975 57.1%, .997 69.8%, 1.003 76.9%, 1.004 83.8%, 1);
--veil: 0;
transition: --accent-mix 1.4s var(--ease-in-out), --veil 1.2s var(--ease-in-out);
}
:root[data-theme="light"] { color-scheme: light; }
:root[data-theme="dark"]  { color-scheme: dark; }
:root[data-scene="observe"]  { --veil: 0; }
:root[data-scene="condense"] { --veil: .25; }
:root[data-scene="field"],
:root[data-scene="fork"],
:root[data-scene="flow"]     { --veil: .42; }
:root[data-scene="origin"]   { --veil: .38; --accent-mix: 1; }
:root[data-scene="quiet"]    { --veil: .5; }
@media (prefers-contrast: more) {
:root {
--ink-2: light-dark(#2c3238, #c9ced2);
--line: light-dark(rgb(17 20 23 / .3), rgb(230 227 218 / .3));
--surface: var(--surface-solid);
}
}
}
@layer reset {
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
img, svg, video, canvas { display: block; max-width: 100%; }
input, button, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: 0; padding: 0; }
ul, ol { padding: 0; list-style: none; }
fieldset { border: 0; padding: 0; min-width: 0; }
legend { padding: 0; }
a { color: inherit; text-decoration: none; }
[hidden] { display: none !important; }
}
@layer base {
html {
background: var(--paper);
color: var(--ink);
scroll-behavior: smooth;
scroll-padding-top: calc(var(--header-h) + 16px);
scrollbar-gutter: stable;
scrollbar-color: var(--line-strong) transparent;
accent-color: var(--accent);
interpolate-size: allow-keywords;
hanging-punctuation: allow-end;
}
body {
min-height: 100dvh;
font-family: var(--font-sans);
font-size: var(--fs-body);
line-height: 1.8;
font-weight: 400;
font-synthesis: none;
text-rendering: optimizeLegibility;
-webkit-font-smoothing: antialiased;
text-autospace: normal;
text-spacing-trim: normal;
line-break: strict;
overflow-x: clip;
}
h1, h2, h3 { line-height: 1.2; text-wrap: balance; font-weight: 700; }
p, dd, li { text-wrap: pretty; }
.ln { display: block; }
.ph { display: inline-block; }
::selection { background: var(--accent); color: var(--on-accent); }
:focus-visible {
outline: 2px solid var(--accent);
outline-offset: 3px;
border-radius: 6px;
}
.skip-link {
position: fixed;
top: 10px; left: 10px;
z-index: 100;
padding: 10px 16px;
border-radius: 10px;
background: var(--ink);
color: var(--paper);
translate: 0 -160%;
transition: translate .3s var(--ease-out);
&:focus-visible { translate: 0 0; }
}
.visually-hidden {
position: absolute !important;
width: 1px; height: 1px;
overflow: hidden;
clip-path: inset(50%);
white-space: nowrap;
}
}
@layer layout {
.chamber {
position: fixed;
inset: 0 0 auto 0;
width: 100%;
height: 100lvh;
z-index: 0;
pointer-events: none;
}
.chamber-veil {
position: fixed;
inset: 0;
z-index: 0;
pointer-events: none;
background:
radial-gradient(120% 90% at 30% 50%, color-mix(in srgb, var(--paper) calc(var(--veil) * 100%), transparent) 30%, transparent 100%),
linear-gradient(color-mix(in srgb, var(--paper) calc(var(--veil) * 60%), transparent), color-mix(in srgb, var(--paper) calc(var(--veil) * 60%), transparent));
}
.no-chamber .chamber { display: none; }
.site-header, main, .site-footer { position: relative; z-index: 1; }
.wrap {
width: min(100% - 2 * var(--gutter), var(--maxw));
margin-inline: auto;
}
main > section {
padding-block: var(--section-y);
position: relative;
}
.section-head {
display: grid;
gap: 18px;
margin-bottom: clamp(48px, 7vw, 88px);
max-width: 52rem;
}
}
@layer components {
.site-header {
position: sticky;
top: 0;
z-index: 20;
height: var(--header-h);
transition: background-color .4s, box-shadow .4s, backdrop-filter .4s;
:root[data-scrolled] & {
background: color-mix(in srgb, var(--paper) 72%, transparent);
backdrop-filter: blur(16px) saturate(1.4);
-webkit-backdrop-filter: blur(16px) saturate(1.4);
box-shadow: 0 1px 0 var(--line);
}
}
.site-header__inner {
height: 100%;
width: min(100% - 2 * var(--gutter), var(--maxw));
margin-inline: auto;
display: flex;
align-items: center;
gap: 28px;
}
.scroll-meter {
position: absolute;
inset: auto 0 0 0;
height: 1px;
background: var(--accent);
transform-origin: 0 50%;
scale: 0 1;
}
.brand {
display: inline-flex;
align-items: center;
gap: 10px;
font-weight: 700;
font-size: 1.06rem;
letter-spacing: .04em;
margin-right: auto;
}
.brand__mark {
width: 30px; height: 30px;
fill: none;
stroke: currentColor;
color: var(--ink);
}
.site-nav ul { display: flex; gap: 4px; }
.site-nav a {
position: relative;
display: block;
padding: 6px 12px;
font-size: .95rem;
color: var(--ink-2);
border-radius: 999px;
transition: color .25s;
&::after {
content: "";
position: absolute;
left: 12px; right: 12px; bottom: 2px;
height: 1px;
background: currentColor;
scale: 0 1;
transform-origin: 0 50%;
transition: scale .45s var(--ease-out);
}
&:hover, &[aria-current="true"] { color: var(--ink); }
&:hover::after, &[aria-current="true"]::after { scale: 1 1; }
}
.header-tools { display: flex; align-items: center; gap: 6px; }
.tool-btn {
position: relative;
display: grid;
place-items: center;
width: var(--control-h-sm); height: var(--control-h-sm);
border-radius: 999px;
color: var(--ink-2);
transition: color .2s, background-color .2s;
svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; }
&:hover { color: var(--ink); background: var(--line); }
&[data-tip]::after {
content: attr(data-tip);
position: absolute;
top: calc(100% + 8px);
left: 50%;
translate: -50% -4px;
padding: 4px 10px;
border-radius: 8px;
font: 500 .75rem/1.5 var(--font-ui);
white-space: nowrap;
background: var(--ink);
color: var(--paper);
opacity: 0;
pointer-events: none;
transition: opacity .2s, translate .3s var(--ease-out);
}
@media (hover: hover) {
&[data-tip]:hover::after { opacity: 1; translate: -50% 0; transition-delay: .35s; }
}
}
.sound-bars {
display: flex;
align-items: center;
gap: 2.5px;
height: 16px;
i {
display: block;
width: 2.5px;
height: 4px;
border-radius: 2px;
background: currentColor;
transition: height .4s var(--ease-out);
}
}
:root:is([data-sound="on"], [data-sound="on-pending"]) .sound-toggle { color: var(--accent); }
.menu-btn { display: none; }
.theme-btn { anchor-name: --theme-btn; }
.theme-menu {
position: fixed;
position-anchor: --theme-btn;
inset: auto;
top: anchor(bottom);
right: anchor(right);
margin: 10px 0 0;
padding: 8px;
min-width: 168px;
border: 1px solid var(--line);
border-radius: 14px;
background: color-mix(in srgb, var(--surface-solid) 88%, transparent);
backdrop-filter: blur(20px);
-webkit-backdrop-filter: blur(20px);
color: var(--ink);
box-shadow: 0 20px 50px -20px rgb(0 0 0 / .35);
opacity: 0;
translate: 0 -6px;
transition: opacity .2s, translate .35s var(--ease-out), overlay .35s allow-discrete, display .35s allow-discrete;
&:popover-open {
opacity: 1;
translate: 0 0;
@starting-style { opacity: 0; translate: 0 -6px; }
}
legend {
padding: 6px 10px 8px;
font: 500 var(--fs-mono)/1 var(--font-mono);
letter-spacing: .08em;
color: var(--ink-3);
}
label {
display: flex;
align-items: center;
gap: 10px;
padding: 8px 10px;
border-radius: 9px;
font: 500 .9rem/1.4 var(--font-ui);
cursor: pointer;
&:hover { background: var(--line); }
&:has(:checked) { color: var(--accent); }
}
input { margin: 0; }
}
@supports not (anchor-name: --a) {
.theme-menu { top: calc(var(--header-h) - 4px); right: var(--gutter); }
}
.mobile-nav {
inset: 0;
width: 100%;
height: 100dvh;
max-width: none;
max-height: none;
margin: 0;
padding: calc(var(--header-h) + 24px) var(--gutter) 40px;
border: 0;
background: color-mix(in srgb, var(--paper) 94%, transparent);
backdrop-filter: blur(24px);
-webkit-backdrop-filter: blur(24px);
color: var(--ink);
opacity: 0;
transition: opacity .3s, overlay .3s allow-discrete, display .3s allow-discrete;
&:popover-open {
display: flex;
flex-direction: column;
justify-content: space-between;
opacity: 1;
@starting-style { opacity: 0; }
}
ul { display: grid; gap: 4px; }
a {
display: block;
padding: 10px 0;
font-size: clamp(2rem, 9vw, 3rem);
font-weight: 700;
letter-spacing: -.01em;
border-bottom: 1px solid var(--line);
}
li {
opacity: 0;
translate: 0 16px;
transition: opacity .5s, translate .6s var(--ease-out);
transition-delay: calc(var(--i, 0) * 50ms + 80ms);
}
&:popover-open li {
opacity: 1; translate: 0 0;
@starting-style { opacity: 0; translate: 0 16px; }
}
li:nth-child(1) { --i: 0; } li:nth-child(2) { --i: 1; } li:nth-child(3) { --i: 2; }
li:nth-child(4) { --i: 3; } li:nth-child(5) { --i: 4; }
}
.mobile-nav__close {
align-self: flex-start;
padding: 10px 18px;
border: 1px solid var(--line-strong);
border-radius: 999px;
font-size: .95rem;
}
.btn {
--btn-bg: transparent;
--btn-fg: var(--ink);
position: relative;
display: inline-flex;
align-items: center;
justify-content: center;
gap: 10px;
height: var(--control-h);
padding: 0 26px;
border-radius: 999px;
font-size: 1rem;
font-weight: 600;
letter-spacing: .02em;
white-space: nowrap;
color: var(--btn-fg);
background: var(--btn-bg);
isolation: isolate;
overflow: hidden;
transition: color .3s, background-color .3s, box-shadow .3s, scale .4s var(--ease-spring);
svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; transition: translate .4s var(--ease-out); }
&:hover svg { translate: 3px 0; }
&:active { scale: .97; }
}
.btn--solid {
--btn-bg: var(--ink);
--btn-fg: var(--paper);
&::before {
content: "";
position: absolute;
inset: 0;
z-index: -1;
background: radial-gradient(140px circle at var(--mx) var(--my), color-mix(in oklab, var(--accent) 70%, transparent), transparent 70%);
opacity: 0;
transition: opacity .3s;
}
&:hover::before { opacity: 1; }
}
.btn--ghost {
box-shadow: inset 0 0 0 1px var(--line-strong);
&:hover { box-shadow: inset 0 0 0 1px var(--ink); }
}
.btn--sm { height: var(--control-h-sm); padding: 0 16px; font-size: .9rem; }
.eyebrow, .section-label {
font-family: var(--font-mono);
font-size: var(--fs-mono);
font-weight: 500;
font-stretch: 87.5%;
letter-spacing: .08em;
line-height: 1.6;
color: var(--ink-2);
}
.section-label {
display: inline-flex;
align-items: center;
gap: 10px;
color: var(--ink);
&::before {
content: "";
width: 7px; height: 7px;
border-radius: 50%;
background: var(--accent);
box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 18%, transparent);
}
}
.section-label__en {
display: inline-flex;
align-items: center;
gap: 10px;
letter-spacing: .14em;
text-transform: uppercase;
color: var(--ink-3);
&::before { content: ""; width: 20px; height: 1px; background: var(--line-strong); }
}
.section-title {
font-size: var(--fs-h2);
font-weight: 750;
letter-spacing: .02em;
line-height: 1.16;
}
.section-intro { font-size: var(--fs-lead); color: var(--ink-2); text-wrap: balance; }
.actions {
display: grid;
grid-auto-flow: column;
grid-auto-columns: minmax(0, 1fr);
width: max-content;
gap: 12px;
@media (max-width: 360px) { .btn { padding-inline: 16px; } }
}
.tags {
display: flex;
flex-wrap: wrap;
gap: 8px;
li {
padding: 3px 12px;
border-radius: 999px;
border: 1px solid var(--line);
font-size: .78rem;
letter-spacing: .04em;
color: var(--ink-2);
line-height: 1.6;
}
}
.fiducial {
position: absolute;
width: 22px; height: 22px;
pointer-events: none;
&::before, &::after {
content: "";
position: absolute;
background: var(--ink-3);
}
&::before { left: 50%; top: 0; width: 1px; height: 100%; }
&::after { top: 50%; left: 0; height: 1px; width: 100%; }
}
.fiducial { --edge: calc(max(var(--gutter), (100% - var(--maxw)) / 2) - 11px); }
.fiducial--tl { top: calc(var(--header-h) + 18px); left: var(--edge); }
.fiducial--tr { top: calc(var(--header-h) + 18px); right: var(--edge); }
.fiducial--bl { bottom: 24px; left: var(--edge); }
.fiducial--br { bottom: 24px; right: var(--edge); }
.hud {
display: flex;
align-items: center;
gap: 8px;
padding: 7px 14px 7px 12px;
border-radius: 999px;
border: 1px solid var(--line);
background: var(--surface);
backdrop-filter: blur(12px);
-webkit-backdrop-filter: blur(12px);
font: 500 .68rem/1 var(--font-mono);
font-stretch: 87.5%;
letter-spacing: .06em;
color: var(--ink-2);
font-variant-numeric: tabular-nums;
b { display: inline-block; min-width: 5ch; font-weight: 600; color: var(--ink); }
@media (prefers-reduced-motion: reduce) { display: none; }
@media (max-width: 1180px) { display: none; }
}
.hud { margin-left: 6px; }
.hud__dot {
width: 6px; height: 6px;
border-radius: 50%;
background: var(--accent);
}
.hud__scene { color: var(--ink); }
.field {
display: grid;
gap: 8px;
legend { float: left; width: 100%; padding: 0; }
label, legend {
font-size: .9rem;
font-weight: 600;
color: var(--ink);
}
em {
font-style: normal;
font-weight: 400;
font-size: .78rem;
color: var(--ink-3);
margin-left: 6px;
}
input, textarea {
width: 100%;
padding: 13px 16px;
border-radius: var(--radius-sm);
border: 1px solid var(--line-strong);
background: color-mix(in srgb, var(--surface-solid) 70%, transparent);
font-family: var(--font-ui);
font-size: 1rem;
line-height: 1.6;
transition: border-color .2s, box-shadow .2s, background-color .2s;
&::placeholder { color: var(--ink-3); }
&:hover { border-color: var(--ink-3); }
&:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 18%, transparent); background: var(--surface-solid); }
&[aria-invalid="true"] { border-color: var(--danger); }
}
input { height: var(--control-h); padding-block: 0; }
textarea {
resize: vertical;
field-sizing: content;
min-height: calc(5lh + 26px);
max-height: 22lh;
}
}
.field__meta { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.field__err { color: var(--danger); font-size: .85rem; }
.field__count {
margin-left: auto;
font: 500 .7rem/1 var(--font-mono);
color: var(--ink-3);
font-variant-numeric: tabular-nums;
}
.chips {
display: grid;
grid-template-columns: repeat(5, minmax(0, 1fr));
gap: 8px;
@container inquiry (width < 460px) {
grid-template-columns: repeat(2, minmax(0, 1fr));
.chip:last-child { grid-column: 1 / -1; }
}
}
.chip {
position: relative;
cursor: pointer;
input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
span {
--sel: 0 0 #0000;
--ring: 0 0 #0000;
display: grid;
place-items: center;
height: var(--control-h);
padding-inline: 8px;
border-radius: var(--radius-sm);
border: 1px solid var(--line-strong);
background: color-mix(in srgb, var(--surface-solid) 70%, transparent);
box-shadow: var(--sel), var(--ring);
font-size: .95rem;
font-weight: 500;
letter-spacing: .04em;
white-space: nowrap;
color: var(--ink-2);
transition: color .2s, background-color .2s, border-color .2s, box-shadow .2s;
}
&:hover span { border-color: var(--ink-3); color: var(--ink); }
input:checked + span {
--sel: inset 0 0 0 1px var(--accent);
border-color: var(--accent);
background: color-mix(in srgb, var(--accent) 9%, var(--surface-solid));
color: var(--accent);
font-weight: 600;
}
input:focus-visible + span { --ring: 0 0 0 4px color-mix(in srgb, var(--accent) 18%, transparent); border-color: var(--accent); }
}
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
}
@layer sections {
main > .hero {
min-height: 100svh;
margin-top: calc(-1 * var(--header-h));
padding-block: calc(var(--header-h) + 64px) clamp(88px, 14vh, 150px);
display: grid;
align-content: end;
}
.hero__body { display: grid; gap: 28px; justify-items: start; }
.hero__eyebrow { color: var(--ink-2); }
.hero__title {
font-size: min(var(--fs-display), (100vw - 2 * var(--gutter)) / 4.7);
font-weight: 800;
line-height: 1.08;
letter-spacing: .01em;
text-wrap: nowrap;
.line { display: block; }
.ch { display: inline-block; }
.ch--punct { margin-right: -.5em; }
.ch--accent { color: var(--accent); }
}
.hero__lead {
font-size: var(--fs-lead);
line-height: 1.85;
color: var(--ink-2);
}
.hero__actions { margin-top: 4px; }
.hero__hint {
position: absolute;
right: max(var(--gutter), (100% - var(--maxw)) / 2);
bottom: clamp(88px, 14vh, 150px);
display: flex;
align-items: center;
gap: 10px;
font: 500 var(--fs-mono)/1.4 var(--font-mono);
font-stretch: 87.5%;
letter-spacing: .06em;
color: var(--ink-3);
writing-mode: vertical-rl;
.hint-coarse { display: none; }
@media (pointer: coarse) { .hint-fine { display: none; } .hint-coarse { display: inline; } }
}
.hero__scroll {
position: absolute;
left: 50%;
bottom: 22px;
translate: -50% 0;
width: 22px;
height: 40px;
display: grid;
justify-items: center;
span {
position: relative;
width: 1px;
height: 100%;
background: var(--line-strong);
overflow: hidden;
&::after {
content: "";
position: absolute;
left: 0; top: 0;
width: 1px; height: 12px;
background: var(--ink);
}
}
}
main > .vision {
min-height: 110svh;
display: grid;
align-content: center;
}
.vision__inner { container-type: inline-size; display: grid; gap: clamp(28px, 4vw, 44px); justify-items: start; }
.vision__statement {
--cpl: 13;
font-family: var(--font-serif);
font-size: min(var(--fs-vision), 100cqi / (var(--cpl) * 1.04 + .2));
font-weight: 600;
line-height: 1.6;
letter-spacing: .04em;
.vc { transition: none; }
}
.vision__follow {
font-size: var(--fs-lead);
color: var(--ink-2);
}
.cap-grid {
container-type: inline-size;
display: grid;
grid-template-columns: repeat(2, minmax(0, 1fr));
gap: var(--col-gap);
}
.cap {
position: relative;
grid-row: span 4;
display: grid;
grid-template-rows: subgrid;
row-gap: 16px;
padding: var(--card-pad);
border-radius: var(--radius);
border: 1px solid var(--line);
background: var(--surface);
backdrop-filter: blur(14px) saturate(1.2);
-webkit-backdrop-filter: blur(14px) saturate(1.2);
isolation: isolate;
transition: border-color .4s, translate .5s var(--ease-out), box-shadow .5s;
&::before {
content: "";
position: absolute;
inset: -1px;
z-index: -1;
border-radius: inherit;
background: radial-gradient(380px circle at var(--mx) var(--my), color-mix(in srgb, var(--accent) 12%, transparent), transparent 65%);
opacity: 0;
transition: opacity .4s;
}
@media (hover: hover) {
&:hover { border-color: var(--line-strong); translate: 0 -3px; box-shadow: 0 24px 60px -32px rgb(0 0 0 / .4); }
&:hover::before { opacity: 1; }
}
}
.cap__fig {
aspect-ratio: 16 / 9;
margin-bottom: 8px;
border-radius: var(--radius-sm);
background:
linear-gradient(var(--line) 1px, transparent 1px) 0 0 / 20px 20px,
linear-gradient(90deg, var(--line) 1px, transparent 1px) 0 0 / 20px 20px;
background-color: color-mix(in srgb, var(--paper) 55%, transparent);
mask-image: radial-gradient(130% 120% at 50% 50%, #000 60%, transparent 100%);
overflow: hidden;
}
.cap__title {
display: flex;
align-items: baseline;
justify-content: space-between;
gap: 16px;
font-size: var(--fs-h3);
font-weight: 700;
letter-spacing: .04em;
}
.cap__en, .label-en {
font: 500 var(--fs-mono)/1 var(--font-mono);
font-stretch: 87.5%;
letter-spacing: .12em;
text-transform: uppercase;
color: var(--ink-3);
white-space: nowrap;
}
.cap__text { color: var(--ink-2); text-align: justify; }
@container (width < 480px) {
.cap__text { max-width: calc(13ic + 1px); }
.cap .tags { gap: 6px; li { padding-inline: 8px; letter-spacing: 0; } }
}
.cap .tags { align-self: start; }
.dia {
width: 100%;
height: 100%;
overflow: visible;
fill: none;
stroke: var(--ink-2);
stroke-width: 1.3;
stroke-linecap: round;
stroke-linejoin: round;
}
.dia-lines path { stroke: var(--line-strong); }
.dia-dash { stroke-dasharray: 3 5; }
.dia-nodes > * { fill: var(--surface-solid); stroke: var(--ink-2); }
.dia-node--off { stroke-dasharray: 2 3; opacity: .6; }
.dia-detail { stroke: var(--ink-3); fill: none !important; }
.pulse { fill: var(--ink); stroke: none; }
.pulse--accent { fill: var(--accent); }
.dia-chev { stroke: var(--ink); stroke-width: 1.6; }
.ring { fill: none; stroke: var(--accent); stroke-width: 1; transform-box: fill-box; transform-origin: center; }
.dia--denoise circle {
fill: var(--ink-2);
stroke: none;
opacity: var(--n, .2);
transform-box: fill-box;
transform-origin: center;
scale: .72;
transition: opacity .8s var(--ease-out) var(--dl, 0s), scale .9s var(--ease-spring) var(--dl, 0s), fill .6s;
}
.dia--denoise.is-resolved circle { opacity: .07; scale: .5; }
.dia--denoise.is-resolved circle.on { opacity: 1; scale: 1.18; fill: var(--ink); }
.dia--denoise.is-resolved circle.acc { fill: var(--accent); }
.adv-list { display: grid; }
.adv {
container-type: inline-size;
display: grid;
grid-template-columns: repeat(2, minmax(0, 1fr));
column-gap: var(--col-gap);
align-items: baseline;
padding-block: clamp(28px, 3.4vw, 44px);
border-top: 1px solid var(--line-strong);
&:last-child { border-bottom: 1px solid var(--line-strong); }
}
.adv__title {
display: flex;
align-items: baseline;
justify-content: space-between;
gap: 16px;
font-size: clamp(1.5rem, 1.1rem + 1.3vw, 2.25rem);
font-weight: 700;
letter-spacing: .06em;
transition: color .3s;
}
.adv__text {
--cpl: 23;
text-align: justify;
font-size: clamp(15px, (100cqi - var(--col-gap)) / 2 / var(--cpl), 20px);
max-width: calc(var(--cpl) * 1ic + 1px); 
color: var(--ink-2);
}
@media (hover: hover) {
.adv:hover .adv__title { color: var(--accent); }
}
.track {
position: relative;
view-timeline-name: --track;
--line-y: 20px;
}
.track__line {
position: absolute;
left: 0; right: 0; top: 0;
width: 100%;
height: 40px;
stroke: var(--line-strong);
stroke-width: 1;
stroke-dasharray: 2 6;
fill: none;
vector-effect: non-scaling-stroke;
path { vector-effect: non-scaling-stroke; }
}
.track__particle {
position: absolute;
top: calc(var(--line-y) - 5px);
left: 0;
width: 10px; height: 10px;
border-radius: 50%;
background: var(--accent);
box-shadow: 0 0 0 5px color-mix(in srgb, var(--accent) 20%, transparent), -40px 0 30px -6px color-mix(in srgb, var(--accent) 50%, transparent);
}
.steps {
display: grid;
grid-template-columns: repeat(4, minmax(0, 1fr));
gap: 48px var(--col-gap);
}
.step {
position: relative;
grid-row: span 2;
display: grid;
grid-template-rows: subgrid;
row-gap: 12px;
padding-top: 64px;
}
.step__no {
position: absolute;
top: calc(var(--line-y) - 17px);
left: 0;
width: 34px; height: 34px;
display: grid;
place-items: center;
border-radius: 50%;
border: 1px solid color-mix(in srgb, var(--ink) calc(var(--on) * 100%), var(--line-strong));
background: color-mix(in srgb, var(--ink) calc(var(--on) * 100%), var(--paper));
font: 600 .8rem/1 var(--font-mono);
color: color-mix(in srgb, var(--paper) calc(var(--on) * 100%), var(--ink-2));
}
.step__title { font-size: var(--fs-h3); font-weight: 700; letter-spacing: .04em; }
.step__text { --cpl: 13; max-width: calc(var(--cpl) * 1ic + 1px); color: var(--ink-2); text-align: justify; }
.about__grid {
display: grid;
grid-template-columns: repeat(2, minmax(0, 1fr));
gap: var(--col-gap);
}
.lines {
container-type: inline-size;
display: grid;
grid-template-columns: max-content minmax(0, 1fr);
row-gap: 14px;
}
.lines__item {
grid-column: 1 / -1;
display: grid;
grid-template-columns: subgrid;
column-gap: 28px;
align-items: baseline;
padding: 22px var(--card-pad);
border-radius: var(--radius);
border: 1px solid var(--line);
background: var(--surface);
backdrop-filter: blur(12px);
-webkit-backdrop-filter: blur(12px);
dt { font-weight: 700; letter-spacing: .04em; }
dt::before { content: ""; display: inline-block; vertical-align: .2em; width: 6px; height: 6px; margin-right: 10px; border-radius: 50%; background: var(--accent); }
dd { color: var(--ink-2); }
}
@container (width < 480px) {
.lines__item dd { max-width: calc(12ic + 1px); text-align: justify; text-wrap: wrap; }
}
.about__side { display: grid; gap: 28px; align-content: space-between; }
.years__caption {
font-size: var(--fs-h3);
font-weight: 700;
letter-spacing: .04em;
margin-bottom: 22px;
[data-since] { font-family: var(--font-mono); font-weight: 600; font-variant-numeric: tabular-nums; color: var(--accent); }
}
.years__ticks {
display: flex;
justify-content: space-between;
align-items: end;
height: 74px;
border-bottom: 1px solid var(--line-strong);
li {
position: relative;
width: 1px;
height: 28%;
background: var(--ink-3);
transform-origin: 50% 100%;
}
li:first-child, li:last-child { height: 62%; background: var(--ink); }
li:last-child { background: var(--accent); width: 2px; }
li span {
position: absolute;
bottom: calc(100% + 6px);
left: 0;
font: 500 .68rem/1 var(--font-mono);
color: var(--ink-2);
white-space: nowrap;
}
li:last-child span { color: var(--accent); left: auto; right: 0; }
}
.coords {
display: flex;
flex-wrap: wrap;
gap: 6px 18px;
font: 500 var(--fs-mono)/1.6 var(--font-mono);
font-stretch: 87.5%;
letter-spacing: .08em;
color: var(--ink-2);
}
.principles { margin-top: clamp(72px, 10vw, 128px); }
.principles__title {
font-size: var(--fs-h3);
letter-spacing: .04em;
margin-bottom: 24px;
}
.principles__grid {
display: grid;
grid-template-columns: repeat(6, minmax(0, 1fr));
column-gap: var(--col-gap);
border-top: 1px solid var(--line-strong);
@media (min-width: 1101px) { border-bottom: 1px solid var(--line-strong); }
}
.principle {
grid-row: span 2;
display: grid;
grid-template-rows: subgrid;
row-gap: 8px;
padding-block: 24px 26px;
border-bottom: 1px solid var(--line);
@media (min-width: 1101px) { border-bottom: 0; }
strong { font-size: clamp(1.3rem, 1rem + 1vw, 1.7rem); font-weight: 750; letter-spacing: .06em; line-height: 1.2; }
> span { color: var(--ink-2); font-size: .95rem; }
}
.contact__grid {
display: grid;
grid-template-columns: repeat(2, minmax(0, 1fr));
gap: var(--col-gap);
align-items: start;
}
.contact__intro {
display: grid;
gap: 20px;
position: sticky;
top: calc(var(--header-h) + 40px);
.section-head { margin-bottom: 20px; }
}
.mailcard {
display: grid;
grid-template-columns: 1fr auto;
gap: 8px 16px;
align-items: center;
padding: var(--card-pad);
border-radius: var(--radius);
border: 1px solid var(--line);
background: var(--surface);
backdrop-filter: blur(12px);
-webkit-backdrop-filter: blur(12px);
> * { grid-column: 1; }
.btn { grid-column: 2; grid-row: 1 / span 2; }
}
.mailcard__label { font-size: .9rem; font-weight: 600; color: var(--ink); }
.mailcard__addr {
font-family: var(--font-mono);
font-size: clamp(.95rem, .85rem + .5vw, 1.15rem);
font-weight: 500;
font-stretch: 87.5%;
overflow-wrap: anywhere;
&:hover { color: var(--accent); }
}
.contact__place { font: 500 var(--fs-mono)/1 var(--font-mono); letter-spacing: .08em; color: var(--ink-2); }
.inquiry {
container: inquiry / inline-size;
display: grid;
gap: 24px;
padding: var(--card-pad);
border-radius: var(--radius);
border: 1px solid var(--line);
background: var(--surface);
backdrop-filter: blur(18px) saturate(1.2);
-webkit-backdrop-filter: blur(18px) saturate(1.2);
}
.inquiry__foot { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 20px; }
.inquiry__status {
font-size: .92rem;
color: var(--ink-2);
&[data-tone="ok"] { color: var(--accent); }
&[data-tone="error"] { color: var(--danger); }
a { text-decoration: underline; text-underline-offset: 3px; }
}
.inquiry [type="submit"] {
min-width: 148px;
&[data-state="sending"] { pointer-events: none; opacity: .75; }
&[data-state="sending"] svg { animation: send-wobble .9s var(--ease-in-out) infinite; }
&[data-state="sent"] { --btn-bg: var(--accent); --btn-fg: var(--on-accent); }
}
.site-footer {
padding-block: 44px calc(44px + env(safe-area-inset-bottom));
border-top: 1px solid var(--line);
background: color-mix(in srgb, var(--paper) 80%, transparent);
backdrop-filter: blur(10px);
-webkit-backdrop-filter: blur(10px);
}
.site-footer__inner {
display: flex;
flex-wrap: wrap;
justify-content: space-between;
align-items: end;
gap: 24px;
}
.site-footer__brand { display: flex; align-items: center; gap: 14px; .brand__mark { width: 40px; height: 40px; } }
.site-footer__name, .site-footer__motto, .site-footer__legal p { line-height: 28px; }
.site-footer__name { font-weight: 700; letter-spacing: .04em; }
.site-footer__motto { color: var(--ink-2); font-size: .9rem; }
.site-footer__legal {
display: grid;
justify-items: end;
font-size: .82rem;
color: var(--ink-3);
a { text-autospace: no-autospace; } 
a:hover { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; }
}
@media (pointer: coarse) {
.cap, .lines__item, .mailcard, .inquiry, .site-footer {
backdrop-filter: none;
-webkit-backdrop-filter: none;
background: color-mix(in srgb, var(--surface-solid) 92%, transparent);
}
}
@media (max-width: 1100px) {
.principles__grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 960px) {
.site-nav, .header-cta { display: none; }
.menu-btn { display: grid; }
.about__grid, .contact__grid { grid-template-columns: 1fr; }
.about__grid { gap: 56px; }
.contact__grid { gap: 48px; }
.contact__intro { position: static; }
.steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.track__line, .track__particle { display: none; }
.step { padding-top: 52px; }
.step__no { top: 0; }
}
@media (max-width: 760px) {
.cap-grid { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 640px) {
:root { --header-h: 58px; }
.hero__hint { display: none; }
.fiducial--tr, .fiducial--tl { top: calc(var(--header-h) + 10px); }
.actions { width: 100%; }
.adv { grid-template-columns: minmax(0, 1fr); row-gap: 12px; }
.adv__text { font-size: clamp(15px, 100cqi / var(--cpl), 20px); }
.steps { grid-template-columns: minmax(0, 1fr); row-gap: 40px; }
.lines__item { grid-template-columns: minmax(0, 1fr); row-gap: 6px; }
.principles__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.site-footer__legal { justify-items: start; }
.mailcard { grid-template-columns: 1fr; .btn { grid-column: 1; grid-row: auto; justify-self: start; margin-top: 10px; } }
}
}
@layer sections {
.nf { min-height: 100svh; display: grid; align-content: center; padding-block: 96px; }
.nf__body { display: grid; gap: 26px; justify-items: start; }
.nf__brand { margin-bottom: 28px; }
.nf__title { font-size: var(--fs-h1); font-weight: 800; letter-spacing: .02em; line-height: 1.08; }
.nf__text { color: var(--ink-2); font-size: var(--fs-lead); }
.page-404 .fiducial--tl, .page-404 .fiducial--tr { top: 24px; }
}
@layer motion {
@keyframes condense {
0%   { opacity: 0; filter: blur(16px); font-weight: 100; translate: 0 .12em; }
60%  { opacity: 1; filter: blur(1px); }
100% { opacity: 1; filter: blur(0); font-weight: 800; translate: 0 0; }
}
@keyframes rise {
from { opacity: 0; translate: 0 18px; filter: blur(6px); }
to   { opacity: 1; translate: 0 0; filter: blur(0); }
}
@keyframes fiducial-in {
from { opacity: 0; scale: 2.4; rotate: 45deg; }
to   { opacity: 1; scale: 1; rotate: 0deg; }
}
@keyframes drip {
0%   { translate: 0 -14px; }
100% { translate: 0 44px; }
}
@keyframes sound-bar {
0%, 100% { height: 4px; }
50% { height: var(--h, 14px); }
}
@keyframes hud-blink { 50% { opacity: .35; } }
@keyframes ping {
from { scale: .6; opacity: .9; }
to   { scale: 3.4; opacity: 0; }
}
@keyframes send-wobble {
50% { translate: 4px -3px; }
}
.js .hero .ch {
animation: condense 1.5s var(--ease-out) both;
animation-delay: calc(var(--i) * 70ms + 250ms);
}
.js .hero__eyebrow   { animation: rise .9s var(--ease-out) .1s both; }
.js .hero__lead      { animation: rise 1s var(--ease-out) 1.15s both; }
.js .hero__actions   { animation: rise 1s var(--ease-out) 1.3s both; }
.js .hero__hint      { animation: rise 1s var(--ease-out) 1.8s both; }
.js .fiducial        { animation: fiducial-in 1.2s var(--ease-out) both; }
.js .fiducial--tr    { animation-delay: .1s; }
.js .fiducial--bl    { animation-delay: .2s; }
.js .fiducial--br    { animation-delay: .3s; }
.hero__scroll span::after { animation: drip 2.2s var(--ease-in-out) infinite; }
:root[data-sound="on"] .sound-bars i { animation: sound-bar 1.1s ease-in-out infinite; }
.sound-bars i:nth-child(1) { --h: 9px;  animation-delay: -.2s !important; }
.sound-bars i:nth-child(2) { --h: 15px; animation-delay: -.6s !important; }
.sound-bars i:nth-child(3) { --h: 11px; animation-delay: -.9s !important; }
.sound-bars i:nth-child(4) { --h: 7px;  animation-delay: -.4s !important; }
.hud__dot { animation: hud-blink 2.4s ease-in-out infinite; }
.ring { animation: ping 2.8s ease-out infinite; animation-delay: var(--d, 0s); }
@supports (animation-timeline: view()) {
.scroll-meter {
animation: meter linear both;
animation-timeline: scroll(root block);
}
@keyframes meter { to { scale: 1 1; } }
.js .reveal {
animation: rise linear both;
animation-timeline: view();
animation-range: entry 0% entry 70%;
}
.vision__statement { view-timeline-name: --vision; }
.js .vision__statement .vc {
animation: vapor linear both;
animation-timeline: --vision;
animation-range:
cover calc(12% + var(--p) * 26%)
cover calc(22% + var(--p) * 26%);
}
.track__particle {
animation: travel linear both;
animation-timeline: --track;
animation-range: cover 22% cover 62%;
}
@keyframes travel {
from { left: 0; opacity: 0; }
8%   { opacity: 1; }
to   { left: calc(100% - 10px); opacity: 1; }
}
.step__no {
animation: step-on linear both;
animation-timeline: --track;
}
.step:nth-child(1) .step__no { animation-range: cover 22% cover 24%; }
.step:nth-child(2) .step__no { animation-range: cover 33% cover 35%; }
.step:nth-child(3) .step__no { animation-range: cover 44% cover 46%; }
.step:nth-child(4) .step__no { animation-range: cover 55% cover 57%; }
@keyframes step-on { to { --on: 1; } }
.js .years__ticks li {
animation: tick-grow linear both;
animation-timeline: view();
animation-range: entry 40% cover 40%;
}
@keyframes tick-grow { from { scale: 1 0; } }
}
@keyframes vapor {
from { opacity: .1; filter: blur(9px); font-weight: 200; }
to   { opacity: 1; filter: blur(0); font-weight: 600; }
}
.no-sda {
.reveal { opacity: 0; translate: 0 18px; transition: opacity .9s var(--ease-out), translate 1s var(--ease-out); }
.reveal.in { opacity: 1; translate: 0 0; }
.vision__statement .vc { opacity: .1; filter: blur(8px); transition: opacity 1s, filter 1.2s; transition-delay: calc(var(--p) * 1.6s); }
.vision__statement.in .vc { opacity: 1; filter: blur(0); }
}
:root.vt-theme::view-transition-old(root),
:root.vt-theme::view-transition-new(root) {
animation: none;
mix-blend-mode: normal;
}
@view-transition { navigation: auto; }
@media (prefers-reduced-motion: reduce) {
html { scroll-behavior: auto; }
*, *::before, *::after {
animation-duration: .01ms !important;
animation-iteration-count: 1 !important;
transition-duration: .01ms !important;
}
.js .reveal, .js .vision__statement .vc, .js .years__ticks li, .js .hero .ch,
.js .hero__eyebrow, .js .hero__lead, .js .hero__actions, .js .hero__hint, .js .fiducial,
.track__particle, .step__no, .scroll-meter, .hud__dot {
animation: none !important;
opacity: 1 !important;
filter: none !important;
}
.track__particle, .hero__hint { display: none; }
}
}
@layer print {
@media print {
.chamber, .chamber-veil, .site-header, .hud, .hero__hint, .hero__scroll, .fiducial, .inquiry, .mailcard .btn { display: none !important; }
html, body { background: #fff; color: #000; }
main > section { padding-block: 28px; min-height: 0 !important; break-inside: avoid; }
.reveal, .vc, .ch { opacity: 1 !important; filter: none !important; translate: none !important; animation: none !important; }
.cap, .lines__item { background: none; border-color: #ccc; backdrop-filter: none; }
a[href^="mailto:"]::after { content: ""; }
}
}