@import url("colors_and_type.css"); /* ============================================================= 遊玄企画 — LP styles Forked from the UI kit's site.css; reworked for: - centered hero with scroll indicator only - card-grid Works with hover-reveal tech stack tags - monotone trust logos (3-4 horizontal placeholders) - minimal email contact - subtle scroll fade-in ============================================================= */ * { box-sizing: border-box; } body { margin: 0; background: var(--paper); color: var(--fg-1); } .yk-page { max-width: 1240px; margin: 0 auto; padding: 0 64px; position: relative; z-index: 2; } /* Hairline column-3 rule, per VISUAL FOUNDATIONS § 5.4 ----- */ .yk-rule-bg { position: fixed; top: 0; bottom: 0; left: 50%; margin-left: -480px; width: 1px; background: var(--nibi-soft); z-index: 1; pointer-events: none; } /* ============================================================= Sumi-nagashi background — two ultra-slow ink blooms (radial gradients in seiji/nibi) drifting over the paper, with a static noise overlay providing paper grain. All super-low opacity so the page reads as "paper with a breath of ink", not "a graphic". ============================================================= */ .yk-ink-bg { position: fixed; inset: 0; z-index: 0; overflow: hidden; pointer-events: none; } .yk-ink-blob { position: absolute; width: 90vmax; height: 90vmax; border-radius: 50%; filter: blur(140px); opacity: 0.22; mix-blend-mode: multiply; will-change: transform; } .yk-ink-blob--a { top: -38vmax; left: -28vmax; background: radial-gradient(circle at 50% 50%, var(--seiji) 0%, transparent 62%); animation: yk-ink-drift-a 92s cubic-bezier(0.4, 0, 0.2, 1) infinite alternate; } .yk-ink-blob--b { bottom: -42vmax; right: -30vmax; background: radial-gradient(circle at 50% 50%, var(--nibi) 0%, transparent 62%); animation: yk-ink-drift-b 128s cubic-bezier(0.4, 0, 0.2, 1) infinite alternate; opacity: 0.17; } @keyframes yk-ink-drift-a { 0% { transform: translate(0, 0) rotate(0deg) scale(1); } 50% { transform: translate(8vw, 6vh) rotate(28deg) scale(1.08); } 100% { transform: translate(18vw, 22vh) rotate(54deg) scale(0.95); } } @keyframes yk-ink-drift-b { 0% { transform: translate(0, 0) rotate(0deg) scale(1); } 50% { transform: translate(-10vw, -8vh) rotate(-22deg) scale(1.06); } 100% { transform: translate(-18vw, -16vh) rotate(-46deg) scale(0.92); } } .yk-ink-grain { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0.4; mix-blend-mode: multiply; } /* Hero title — per-character stagger reveal --------------- */ /* Default (no-JS) state is VISIBLE; the hidden start state only applies once is set, so content never gets stuck invisible. */ .yk-hero-char { display: inline-block; } html.js .yk-hero-char { opacity: 0; transform: translateY(0.4em); filter: blur(4px); transition: opacity 1100ms var(--ease-quiet), transform 1100ms var(--ease-quiet), filter 1100ms var(--ease-quiet); will-change: opacity, transform, filter; } html.js .yk-hero-title.is-in .yk-hero-char { opacity: 1; transform: translateY(0); filter: blur(0); } .yk-hero-char--space { width: 0.25em; } /* The .seiji accent character keeps its hue while staggering. */ .yk-hero-char.seiji { color: var(--seiji-deep); } /* Scroll fade-in primitive --------------------------------- */ /* Visible by default; only hidden once JS is confirmed (html.js). */ html.js .yk-fade { opacity: 0; transform: translateY(8px); transition: opacity 900ms var(--ease-quiet), transform 900ms var(--ease-quiet); will-change: opacity, transform; } html.js .yk-fade.is-in { opacity: 1; transform: translateY(0); } .yk-fade--delay-1 { transition-delay: 80ms; } .yk-fade--delay-2 { transition-delay: 180ms; } .yk-fade--delay-3 { transition-delay: 320ms; } .yk-fade--delay-4 { transition-delay: 480ms; } /* HEADER ---------------------------------------------------- */ .yk-header { display: flex; align-items: baseline; justify-content: space-between; padding: 36px 0; position: relative; z-index: 2; } .yk-brand { display: flex; flex-direction: column; gap: 4px; text-decoration: none; } .yk-brand-jp { font-family: var(--font-logo); font-weight: 700; font-size: 22px; letter-spacing: 0.08em; color: var(--fg-1); } .yk-brand-jp .seiji { color: var(--seiji); } .yk-brand-en { font-family: var(--font-serif); font-style: italic; font-size: 11px; letter-spacing: 0.24em; color: var(--fg-3); } .yk-nav { display: flex; gap: 40px; } .yk-nav-link { font-family: var(--font-body); font-size: 13px; letter-spacing: 0.04em; color: var(--fg-2); text-decoration: none; padding-bottom: 6px; position: relative; transition: color var(--dur-hover) var(--ease-quiet); } .yk-nav-link:hover { color: var(--fg-1); } .yk-nav-link.is-active { color: var(--fg-1); } .yk-nav-link.is-active::after { content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 1px; background: var(--seiji); } /* HERO — centered, no CTA, scroll indicator only ----------- */ .yk-hero { min-height: calc(100vh - 120px); padding: 80px 0 80px; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; position: relative; gap: 48px; } .yk-hero-mark { width: 28px; height: 28px; opacity: 0.9; } .yk-hero-title { font-family: var(--font-display); font-weight: 500; font-size: clamp(34px, 5vw, 64px); line-height: 1.32; letter-spacing: -0.005em; color: var(--fg-1); margin: 0; max-width: none; /* Desktop: a single centred line. nowrap keeps all three segments on one row; the fluid font-size above shrinks them to fit narrower laptops. */ display: flex; flex-wrap: nowrap; justify-content: center; align-items: baseline; column-gap: 0.34em; } .yk-hero-seg { display: inline-block; white-space: nowrap; } .yk-hero-seg--x { color: var(--seiji-deep); } .yk-hero-title .seiji { color: var(--seiji-deep); } .yk-hero-sub { font-family: var(--font-body); font-size: 16px; line-height: 2.05; color: var(--fg-2); max-width: 38ch; margin: 0; } .yk-hero-scroll { position: absolute; bottom: 24px; left: 50%; transform: translateX(-50%); display: inline-flex; flex-direction: column; align-items: center; gap: 14px; font-family: var(--font-serif); font-style: italic; font-size: 10px; letter-spacing: 0.32em; color: var(--fg-3); text-transform: lowercase; } .yk-hero-scroll-line { width: 1px; height: 56px; background: var(--nibi-soft); position: relative; overflow: hidden; } .yk-hero-scroll-line::after { content: ''; position: absolute; top: -40%; left: 0; width: 1px; height: 40%; background: var(--nibi); animation: yk-drip 2.8s var(--ease-quiet) infinite; } @keyframes yk-drip { 0% { top: -40%; } 60% { top: 100%; } 100% { top: 100%; } } /* SECTION --------------------------------------------------- */ .yk-section { padding: 160px 0 140px; border-top: 1px solid var(--rule); position: relative; } .yk-section-head { display: grid; grid-template-columns: 200px 1fr; gap: 64px; margin-bottom: 96px; align-items: start; } .yk-section-num { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.18em; color: var(--fg-3); } .yk-section-num-jp { display: block; font-family: var(--font-serif); font-style: italic; font-size: 11px; letter-spacing: 0.22em; color: var(--fg-3); margin-top: 8px; } .yk-section-titles { display: flex; flex-direction: column; gap: 28px; max-width: 56ch; } .yk-eyebrow { font-family: var(--font-serif); font-style: italic; font-size: 12px; letter-spacing: 0.22em; color: var(--fg-3); } .yk-h2 { font-family: var(--font-display); font-weight: 500; font-size: 44px; line-height: 1.28; letter-spacing: -0.005em; color: var(--fg-1); margin: 0; max-width: 16ch; } .yk-section-lead { font-family: var(--font-body); font-size: 15px; line-height: 1.95; color: var(--fg-2); margin: 0; max-width: 44ch; } /* WORKS — card grid with hover-reveal tech stack ---------- */ .yk-works-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; } .yk-work-card { position: relative; background: var(--paper); border: 1px solid var(--rule); padding: 40px 36px 36px; display: flex; flex-direction: column; min-height: 440px; cursor: default; overflow: hidden; transition: border-color var(--dur-entry) var(--ease-quiet), background var(--dur-entry) var(--ease-quiet), transform 480ms var(--ease-quiet); } .yk-work-card:hover { border-color: var(--sumi-400); background: var(--paper-soft); } .yk-work-axis-row { display: flex; align-items: baseline; gap: 14px; margin-bottom: 56px; } .yk-work-axis-letter { font-family: var(--font-display); font-weight: 500; font-size: 28px; color: var(--seiji-deep); line-height: 1; letter-spacing: -0.02em; } .yk-work-axis-name { font-family: var(--font-serif); font-style: italic; font-size: 11px; letter-spacing: 0.18em; color: var(--fg-3); } .yk-work-theme { font-family: var(--font-display); font-weight: 500; font-size: 22px; line-height: 1.45; letter-spacing: -0.005em; color: var(--fg-1); margin: 0 0 16px; } .yk-work-body { font-family: var(--font-body); font-size: 13.5px; line-height: 1.95; color: var(--fg-2); margin: 0; flex: 1; } /* Work media — evidence image (e.g. system screenshot). Quietly desaturated so it reads as "artifact" rather than "ad". Restores on card hover. */ .yk-work-media { margin: 24px 0 0; padding: 0; aspect-ratio: 16 / 9; overflow: hidden; border: 1px solid var(--rule); background: var(--paper-soft); position: relative; } .yk-work-media img { width: 100%; height: 100%; object-fit: cover; display: block; filter: grayscale(0.45) contrast(0.96); transition: filter 520ms var(--ease-quiet), transform 900ms var(--ease-quiet); } .yk-work-card:hover .yk-work-media img, .yk-work-card:focus-within .yk-work-media img { filter: grayscale(0) contrast(1); transform: scale(1.02); } /* Tech stack — the hidden flower ------------------------- */ .yk-work-stack { margin-top: 32px; padding-top: 24px; border-top: 1px solid var(--rule); display: flex; flex-wrap: wrap; gap: 6px; opacity: 0; transform: translateY(8px); transition: opacity 380ms var(--ease-quiet), transform 380ms var(--ease-quiet); } .yk-work-card:hover .yk-work-stack, .yk-work-card:focus-within .yk-work-stack { opacity: 1; transform: translateY(0); } .yk-work-card:hover .yk-work-stack-tag, .yk-work-card:focus-within .yk-work-stack-tag { transform: translateY(0); opacity: 1; } .yk-work-stack-label { width: 100%; font-family: var(--font-serif); font-style: italic; font-size: 10px; letter-spacing: 0.28em; color: var(--fg-3); margin-bottom: 10px; } .yk-work-stack-tag { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.04em; color: var(--sumi-700); padding: 5px 10px; border: 1px solid var(--nibi-soft); background: var(--paper-soft); white-space: nowrap; opacity: 0; transform: translateY(8px); filter: blur(3px); transition: opacity 520ms var(--ease-quiet), transform 520ms var(--ease-quiet), filter 520ms var(--ease-quiet), border-color 260ms var(--ease-quiet), background 260ms var(--ease-quiet); } .yk-work-card:hover .yk-work-stack-tag, .yk-work-card:focus-within .yk-work-stack-tag { opacity: 1; transform: translateY(0); filter: blur(0); } .yk-work-stack-tag:hover { border-color: var(--seiji); background: var(--seiji-ghost); } .yk-work-stack-tag:nth-of-type(1) { transition-delay: 60ms; } .yk-work-stack-tag:nth-of-type(2) { transition-delay: 110ms; } .yk-work-stack-tag:nth-of-type(3) { transition-delay: 160ms; } .yk-work-stack-tag:nth-of-type(4) { transition-delay: 210ms; } .yk-work-stack-tag:nth-of-type(5) { transition-delay: 260ms; } .yk-work-stack-tag:nth-of-type(6) { transition-delay: 310ms; } .yk-work-index { position: absolute; top: 24px; right: 28px; font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.12em; color: var(--fg-3); } /* PROFILE --------------------------------------------------- */ .yk-profile-grid { display: grid; grid-template-columns: 280px 1fr; gap: 96px; margin-bottom: 120px; align-items: start; } .yk-profile-photo .yk-img-slot { aspect-ratio: 4 / 5; background: var(--kinari); border: 1px solid var(--rule); display: flex; align-items: flex-end; justify-content: flex-start; padding: 0; font-family: var(--font-serif); font-style: italic; font-size: 10px; letter-spacing: 0.22em; color: var(--fg-3); overflow: hidden; position: relative; } .yk-profile-photo .yk-img-slot img { width: 100%; height: 100%; object-fit: cover; object-position: center 22%; display: block; /* "幽玄" treatment — gentle desaturation; restored on hover */ filter: grayscale(0.35) contrast(1.02); transition: filter var(--dur-entry) var(--ease-quiet); } .yk-profile-photo .yk-img-slot:hover img { filter: grayscale(0) contrast(1); } .yk-profile-name { font-family: var(--font-display); font-weight: 500; font-size: 36px; letter-spacing: -0.01em; color: var(--fg-1); margin: 0 0 4px; line-height: 1.1; } .yk-profile-name-en { font-family: var(--font-serif); font-style: italic; font-size: 12px; letter-spacing: 0.24em; color: var(--fg-3); margin-bottom: 40px; } .yk-profile-body p { font-family: var(--font-body); font-size: 15px; line-height: 2.0; color: var(--fg-1); max-width: 52ch; margin: 0 0 24px; } .yk-profile-body .yk-lead { font-size: 17px; line-height: 2.0; color: var(--fg-1); margin-bottom: 32px; } .yk-profile-body .yk-lead strong { font-weight: 500; background-image: linear-gradient(transparent 62%, var(--seiji-ghost) 62%); padding: 0 2px; } /* Facts list — definition-list style, rule-divided, scannable */ .yk-profile-facts { margin: 0; padding: 0; display: flex; flex-direction: column; border-top: 1px solid var(--rule); max-width: 56ch; } .yk-profile-fact { display: grid; grid-template-columns: 96px 1fr; gap: 32px; padding: 18px 0; border-bottom: 1px solid var(--rule); align-items: baseline; } .yk-profile-fact dt { font-family: var(--font-serif); font-style: italic; font-size: 11px; letter-spacing: 0.22em; color: var(--fg-3); margin: 0; } .yk-profile-fact dd { font-family: var(--font-body); font-size: 14.5px; line-height: 1.75; color: var(--fg-1); margin: 0; } /* Career row — aligns dt to top since the dd may be tall */ .yk-profile-fact--career { align-items: start; } .yk-profile-fact--career dt { padding-top: 4px; } .yk-profile-career { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; } .yk-profile-career li { font-family: var(--font-body); font-size: 14px; line-height: 1.75; color: var(--fg-1); } /* TRUST — monotone logo placeholders, 3-4 horizontal ----- */ .yk-trust { padding-top: 80px; border-top: 1px solid var(--rule); } .yk-trust-head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 40px; gap: 32px; } .yk-trust-label { font-family: var(--font-serif); font-style: italic; font-size: 12px; letter-spacing: 0.22em; color: var(--fg-3); } .yk-trust-note { font-family: var(--font-body); font-size: 12px; color: var(--fg-3); letter-spacing: 0.04em; } .yk-trust-row { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; background: var(--rule); border: 1px solid var(--rule); justify-content: start; } .yk-trust-cell { background: var(--paper); aspect-ratio: 5 / 3; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px; padding: 24px; filter: grayscale(1); opacity: 0.78; transition: opacity var(--dur-entry) var(--ease-quiet), background var(--dur-entry) var(--ease-quiet); } .yk-trust-cell:hover { opacity: 1; background: var(--paper-soft); } .yk-trust-logo { width: 56px; height: 56px; display: flex; align-items: center; justify-content: center; color: var(--sumi-700); } .yk-trust-name { font-family: var(--font-display); font-weight: 500; font-size: 13px; letter-spacing: 0.02em; color: var(--sumi-700); text-align: center; line-height: 1.5; } .yk-trust-kind { font-family: var(--font-serif); font-style: italic; font-size: 10px; letter-spacing: 0.2em; color: var(--fg-3); } /* CONTACT --------------------------------------------------- */ .yk-contact { padding: 200px 0 160px; border-top: 1px solid var(--rule); } .yk-contact-inner { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 56px; } .yk-contact-eyebrow { font-family: var(--font-serif); font-style: italic; font-size: 12px; letter-spacing: 0.24em; color: var(--fg-3); } .yk-contact-lead { font-family: var(--font-display); font-weight: 500; font-size: 36px; line-height: 1.5; letter-spacing: -0.005em; color: var(--fg-1); margin: 0; max-width: 22ch; text-wrap: balance; } .yk-contact-mail { display: inline-flex; align-items: center; gap: 14px; font-family: var(--font-display); font-weight: 500; font-size: 28px; letter-spacing: 0.005em; color: var(--fg-1); text-decoration: none; border-bottom: 1px solid var(--sumi-300); padding: 6px 4px 10px; transition: color var(--dur-hover) var(--ease-quiet), border-color var(--dur-hover) var(--ease-quiet); } .yk-contact-mail:hover { color: var(--seiji-deep); border-color: var(--seiji); } .yk-contact-mail .arrow { width: 14px; height: 14px; display: inline-block; transition: transform var(--dur-hover) var(--ease-quiet); } .yk-contact-mail:hover .arrow { transform: translate(2px, -2px); } .yk-contact-meta { display: flex; gap: 20px; align-items: center; font-family: var(--font-mono); font-size: 11px; color: var(--fg-3); letter-spacing: 0.06em; } .yk-contact-meta .dot { width: 3px; height: 3px; background: var(--seiji); display: inline-block; } /* LOG ------------------------------------------------------- */ /* Log section sits between Contact and Footer; needs less top padding than other sections since Contact already breathes. */ .yk-section--log { padding-top: 96px; padding-bottom: 80px; border-top: 1px solid var(--rule); } .yk-log-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--rule); } .yk-log-item { border-bottom: 1px solid var(--rule); } .yk-log-row { display: grid; grid-template-columns: 110px 80px 1fr auto; align-items: baseline; gap: 32px; padding: 20px 0; text-decoration: none; color: inherit; transition: background var(--dur-hover) var(--ease-quiet); } .yk-log-row--link { cursor: pointer; } .yk-log-row--link:hover { background: var(--seiji-ghost); } .yk-log-date { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.06em; color: var(--fg-3); font-variant-numeric: tabular-nums; } .yk-log-tag { font-family: var(--font-serif); font-style: italic; font-size: 10px; letter-spacing: 0.22em; color: var(--fg-3); text-transform: lowercase; border-left: 1px solid var(--rule); padding-left: 16px; } .yk-log-title { font-family: var(--font-body); font-size: 14.5px; line-height: 1.7; color: var(--fg-1); } .yk-log-arrow { width: 12px; height: 12px; color: var(--fg-3); transition: transform var(--dur-hover) var(--ease-quiet), color var(--dur-hover) var(--ease-quiet); } .yk-log-row--link:hover .yk-log-arrow { color: var(--seiji-deep); transform: translate(2px, -2px); } /* FOOTER ---------------------------------------------------- */ .yk-footer { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; padding: 56px 0 64px; border-top: 1px solid var(--rule); gap: 32px; } .yk-footer-left { display: flex; flex-direction: column; gap: 6px; } .yk-footer-name { font-family: var(--font-logo); font-weight: 700; font-size: 13px; color: var(--fg-1); letter-spacing: 0.08em; } .yk-footer-name .seiji { color: var(--seiji); } .yk-footer-meta { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.08em; color: var(--fg-3); } .yk-footer-seal { width: 38px; height: 38px; justify-self: center; opacity: 0.7; } .yk-footer-right { display: flex; gap: 24px; justify-content: flex-end; align-items: center; } .yk-footer-right a { font-family: var(--font-body); font-size: 11px; color: var(--fg-3); text-decoration: none; letter-spacing: 0.08em; transition: color var(--dur-hover) var(--ease-quiet); } .yk-footer-right a:hover { color: var(--seiji-deep); } /* Visually-hidden helper for accessible text whose visual form is animated. */ .yk-sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; } /* Reduced motion — quiet everything that drifts/staggers ---- */ @media (prefers-reduced-motion: reduce) { .yk-ink-blob { animation: none; } .yk-hero-char { opacity: 1 !important; transform: none !important; filter: none !important; transition: none !important; } .yk-work-stack-tag { transition: none !important; } .yk-hero-scroll-line::after { animation: none !important; } } /* RESPONSIVE ----------------------------------------------- */ @media (max-width: 1000px) { .yk-works-grid { grid-template-columns: 1fr; } .yk-trust-row { grid-template-columns: repeat(2, 1fr); } .yk-section-head { grid-template-columns: 1fr; gap: 24px; } } @media (max-width: 720px) { .yk-page { padding: 0 24px; } .yk-rule-bg { display: none; } .yk-header { padding: 24px 0; } .yk-nav { gap: 20px; } .yk-nav-link { font-size: 12px; } .yk-hero { padding: 48px 0 96px; min-height: calc(100vh - 80px); } .yk-hero-title { font-size: 34px; line-height: 1.4; /* Mobile: stack each segment on its own line, centred horizontally, × centred between. */ flex-direction: column; flex-wrap: nowrap; align-items: center; text-align: center; row-gap: 0.16em; column-gap: 0; } .yk-hero-seg--x { font-size: 0.72em; opacity: 0.9; } .yk-hero-sub { font-size: 14px; line-height: 1.95; } .yk-hero-scroll-line { height: 40px; } .yk-section { padding: 96px 0 80px; } .yk-section-head { margin-bottom: 56px; } .yk-h2 { font-size: 30px; } .yk-profile-grid { grid-template-columns: 1fr; gap: 40px; margin-bottom: 80px; } .yk-profile-photo .yk-img-slot { aspect-ratio: 4 / 3; max-width: 240px; } .yk-profile-name { font-size: 28px; } .yk-profile-fact { grid-template-columns: 72px 1fr; gap: 16px; } .yk-profile-fact dd { font-size: 13.5px; } .yk-profile-career li { font-size: 13px; } .yk-trust-row { grid-template-columns: 1fr 1fr; } .yk-trust-head { flex-direction: column; align-items: flex-start; gap: 12px; } .yk-work-card { min-height: 380px; padding: 32px 28px 28px; } .yk-work-theme { font-size: 19px; } .yk-work-stack { opacity: 1; transform: none; } .yk-work-stack-tag { opacity: 1; transform: none; } .yk-contact { padding: 120px 0 96px; } .yk-contact-lead { font-size: 24px; } .yk-contact-mail { font-size: 19px; } .yk-contact-meta { font-size: 10px; flex-wrap: wrap; justify-content: center; gap: 10px; } .yk-section--log { padding: 64px 0 56px; } .yk-log-row { grid-template-columns: 1fr; gap: 6px; padding: 18px 0; } .yk-log-tag { border-left: 0; padding-left: 0; } .yk-log-arrow { display: none; } .yk-footer { grid-template-columns: 1fr; text-align: center; gap: 20px; padding: 40px 0; } .yk-footer-left { align-items: center; } .yk-footer-right { justify-content: center; } .yk-footer-seal { justify-self: center; } }