Files
2026-07-30 15:30:09 +00:00

1112 lines
18 KiB
CSS

:root {
--paper: #f5f2eb;
--ink: #1a1a1a;
--accent: #c4a77d;
--accent-dark: #8b7355;
--grey: #4a4a4a;
--grey-light: #e0dcd4;
--error: #c62828;
--success: #2e7d32;
--transition-smooth: cubic-bezier(0.4, 0, 0.2, 1);
--transition-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
}
@media (prefers-color-scheme: dark) {
:root {
--paper: #1a1a1a;
--ink: #f5f2eb;
--grey: #c0c0c0;
--grey-light: #2a2a2a;
--accent: #d4b78d;
--accent-dark: #c4a77d;
--error: #ef5350;
}
}
*,
*::before,
*::after {
box-sizing: border-box;
margin: 0;
padding: 0;
}
html {
scroll-behavior: smooth;
}
@media (prefers-reduced-motion: reduce) {
html {
scroll-behavior: auto;
}
*,
*::before,
*::after {
animation: none !important;
transition: none !important;
}
.reveal {
opacity: 1 !important;
transform: none !important;
}
}
body {
font-family: 'Heebo', sans-serif;
font-size: clamp(1rem, 2.5vw, 1.125rem);
line-height: 1.7;
color: var(--ink);
background-color: var(--paper);
overflow-x: hidden;
}
/* Skip link */
.skip-link {
position: absolute;
top: -100%;
inset-inline-start: 1rem;
background: var(--ink);
color: var(--paper);
padding: 0.75rem 1.5rem;
z-index: 10000;
text-decoration: none;
font-weight: 700;
transition: top 0.2s;
}
.skip-link:focus {
top: 1rem;
}
/* Custom cursor */
.cursor-follower {
position: fixed;
width: 20px;
height: 20px;
border: 1px solid var(--accent);
border-radius: 50%;
pointer-events: none;
z-index: 9999;
transform: translate(-50%, -50%);
transition: transform 0.15s var(--transition-smooth),
width 0.2s var(--transition-smooth),
height 0.2s var(--transition-smooth),
opacity 0.2s;
opacity: 0;
}
.cursor-follower.active {
opacity: 1;
}
.cursor-follower.hover {
width: 50px;
height: 50px;
border-color: var(--ink);
}
@media (pointer: coarse) {
.cursor-follower {
display: none;
}
}
/* Typography */
h1, h2, h3 {
font-family: 'Frank Ruhl Libre', serif;
font-weight: 700;
line-height: 1.1;
}
/* Japanese text */
[lang="ja"],
.kanji-overlay {
font-family: 'Noto Sans JP', 'Hiragino Kaku Gothic Pro', 'Yu Gothic', sans-serif;
}
/* Navigation */
.main-nav {
position: fixed;
top: 0;
inset-inline: 0;
z-index: 1000;
padding: 1.5rem 2rem;
transition: background-color 0.3s, backdrop-filter 0.3s;
}
.main-nav.scrolled {
background-color: rgba(245, 242, 235, 0.95);
backdrop-filter: blur(10px);
}
@media (prefers-color-scheme: dark) {
.main-nav.scrolled {
background-color: rgba(26, 26, 26, 0.95);
}
}
.nav-inner {
max-width: 1400px;
margin: 0 auto;
display: flex;
align-items: center;
justify-content: space-between;
}
.nav-logo {
display: flex;
align-items: center;
gap: 0.75rem;
text-decoration: none;
color: var(--ink);
font-weight: 700;
font-size: 1.1rem;
}
.logo-mark {
width: 40px;
height: 40px;
}
.logo-line {
transform-origin: center;
transition: transform 0.3s var(--transition-smooth);
}
.nav-logo:hover .logo-line {
transform: scaleY(0.7);
}
.logo-flow {
transition: d 0.3s var(--transition-smooth);
}
.nav-toggle {
display: none;
flex-direction: column;
gap: 5px;
background: none;
border: none;
cursor: pointer;
padding: 0.5rem;
}
.nav-toggle span {
width: 24px;
height: 2px;
background: var(--ink);
transition: transform 0.3s, opacity 0.3s;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) {
transform: rotate(45deg) translate(5px, 5px);
}
.nav-toggle[aria-expanded="true"] span:nth-child(2) {
opacity: 0;
}
.nav-toggle[aria-expanded="true"] span:nth-child(3) {
transform: rotate(-45deg) translate(5px, -5px);
}
.nav-links {
display: flex;
list-style: none;
gap: 2.5rem;
}
.nav-links a {
text-decoration: none;
color: var(--ink);
font-size: 0.95rem;
position: relative;
padding: 0.25rem 0;
}
.nav-links a::after {
content: '';
position: absolute;
bottom: 0;
inset-inline-start: 0;
width: 0;
height: 2px;
background: var(--accent);
transition: width 0.3s var(--transition-smooth);
}
.nav-links a:hover::after,
.nav-links a:focus::after {
width: 100%;
}
@media (max-width: 768px) {
.nav-toggle {
display: flex;
}
.nav-links {
position: fixed;
top: 0;
inset-inline-start: 100%;
width: 100%;
height: 100vh;
height: 100dvh;
background: var(--paper);
flex-direction: column;
justify-content: center;
align-items: center;
gap: 2rem;
transition: inset-inline-start 0.4s var(--transition-smooth);
}
.nav-links.open {
inset-inline-start: 0;
}
.nav-links a {
font-size: 1.5rem;
}
}
/* Hero */
.hero {
min-height: 100vh;
min-height: 100dvh;
display: flex;
align-items: center;
justify-content: center;
position: relative;
padding: 6rem 2rem 4rem;
overflow: hidden;
}
.hero-bg {
position: absolute;
inset: 0;
pointer-events: none;
}
.enso {
position: absolute;
top: 50%;
inset-inline-start: 50%;
transform: translateX(50%) translateY(-50%);
width: min(80vw, 600px);
height: min(80vw, 600px);
opacity: 0.08;
}
[dir="rtl"] .enso {
transform: translateX(50%) translateY(-50%);
}
[dir="ltr"] .enso {
transform: translateX(-50%) translateY(-50%);
}
.enso-circle {
stroke-dasharray: 1;
stroke-dashoffset: 1;
animation: draw-enso 3s var(--transition-smooth) forwards;
}
@keyframes draw-enso {
to {
stroke-dashoffset: 0;
}
}
.energy-lines {
position: absolute;
bottom: 20%;
inset-inline: 0;
height: 200px;
opacity: 0.05;
}
.flow-line {
fill: none;
stroke: var(--ink);
stroke-width: 0.3;
}
.hero-content {
text-align: center;
z-index: 1;
}
.hero-tag {
font-size: 0.875rem;
color: var(--grey);
margin-bottom: 1.5rem;
font-weight: 500;
}
.hero-title {
font-size: clamp(2.5rem, 9vw, 5.5rem);
margin-bottom: 1.5rem;
line-height: 1.05;
}
.hero-title .title-main {
display: block;
}
.hero-title em {
display: block;
color: var(--accent-dark);
font-style: italic;
font-size: 0.85em;
}
.hero-subtitle {
font-size: clamp(1rem, 2.5vw, 1.35rem);
color: var(--grey);
margin-bottom: 3rem;
font-weight: 300;
max-width: 500px;
margin-inline: auto;
}
.cta-btn {
display: inline-flex;
align-items: center;
gap: 0.75rem;
background: var(--ink);
color: var(--paper);
text-decoration: none;
padding: 1rem 2rem;
font-size: 1rem;
border: none;
cursor: pointer;
position: relative;
overflow: hidden;
}
.cta-btn::before {
content: '';
position: absolute;
inset: 0;
background: var(--accent-dark);
transform: scaleX(0);
transform-origin: inline-end;
transition: transform 0.4s var(--transition-smooth);
}
.cta-btn:hover::before,
.cta-btn:focus::before {
transform: scaleX(1);
transform-origin: inline-start;
}
.cta-btn span,
.cta-btn svg {
position: relative;
z-index: 1;
}
.cta-arrow {
width: 20px;
height: 20px;
transition: transform 0.3s var(--transition-smooth);
}
.cta-btn:hover .cta-arrow,
.cta-btn:focus .cta-arrow {
transform: translateX(-5px);
}
[dir="rtl"] .cta-btn:hover .cta-arrow,
[dir="rtl"] .cta-btn:focus .cta-arrow {
transform: translateX(5px);
}
.scroll-hint {
position: absolute;
bottom: 2rem;
inset-inline-start: 50%;
transform: translateX(50%);
display: flex;
flex-direction: column;
align-items: center;
gap: 0.5rem;
color: var(--grey);
font-size: 0.75rem;
}
[dir="rtl"] .scroll-hint {
transform: translateX(50%);
}
[dir="ltr"] .scroll-hint {
transform: translateX(-50%);
}
.scroll-hint svg {
width: 20px;
height: 35px;
}
.scroll-dot {
animation: scroll-bounce 2s infinite;
}
@keyframes scroll-bounce {
0%, 100% { transform: translateY(0); opacity: 1; }
50% { transform: translateY(8px); opacity: 0.3; }
}
/* Reveal animations */
.reveal {
opacity: 0;
transform: translateY(30px);
transition: opacity 0.8s var(--transition-smooth),
transform 0.8s var(--transition-smooth);
}
.reveal.visible {
opacity: 1;
transform: translateY(0);
}
/* Sections common */
.section-inner {
max-width: 1200px;
margin: 0 auto;
padding: clamp(3rem, 8vw, 6rem) clamp(1rem, 4vw, 2rem);
}
.section-title {
font-size: clamp(1.75rem, 5vw, 3rem);
margin-bottom: 2rem;
}
.section-title--center {
text-align: center;
}
/* About */
.about {
background: var(--grey-light);
}
.about .section-inner {
display: grid;
grid-template-columns: 1fr 1.4fr;
gap: 4rem;
align-items: center;
}
@media (max-width: 900px) {
.about .section-inner {
grid-template-columns: 1fr;
gap: 3rem;
}
}
.about-visual {
display: flex;
justify-content: center;
}
.circle-composition {
position: relative;
width: min(100%, 300px);
aspect-ratio: 1;
}
.composition-svg {
width: 100%;
height: 100%;
}
.comp-circle {
fill: none;
stroke: var(--ink);
stroke-width: 1;
transform-origin: center;
}
.c1 { animation: rotate-slow 30s linear infinite; }
.c2 { animation: rotate-slow 20s linear infinite reverse; }
.c3 { animation: pulse 4s ease-in-out infinite; }
@keyframes rotate-slow {
to { transform: rotate(360deg); }
}
@keyframes pulse {
0%, 100% { r: 40; opacity: 1; }
50% { r: 45; opacity: 0.7; }
}
.comp-line {
stroke: var(--accent);
stroke-width: 0.5;
opacity: 0.5;
}
.kanji-overlay {
position: absolute;
top: 50%;
inset-inline-start: 50%;
transform: translate(50%, -50%);
font-size: 3.5rem;
color: var(--ink);
opacity: 0.1;
pointer-events: none;
letter-spacing: 0.1em;
}
[dir="rtl"] .kanji-overlay {
transform: translate(50%, -50%);
}
[dir="ltr"] .kanji-overlay {
transform: translate(-50%, -50%);
}
.about-text {
max-width: 55ch;
}
.about-text p {
margin-bottom: 1.25rem;
color: var(--grey);
}
.about-text .lead {
font-size: 1.1rem;
color: var(--ink);
font-weight: 500;
}
/* Philosophy */
.principles {
display: grid;
grid-template-columns: repeat(3, 1fr);
gap: 2rem;
margin-top: 4rem;
}
@media (max-width: 900px) {
.principles {
grid-template-columns: 1fr;
max-width: 450px;
margin-inline: auto;
}
}
.principle {
text-align: center;
padding: 2rem 1.5rem;
background: var(--paper);
border: 1px solid var(--grey-light);
transition: transform 0.3s var(--transition-smooth),
box-shadow 0.3s var(--transition-smooth);
}
.principle--featured {
border-color: var(--accent);
border-width: 2px;
}
@media (min-width: 901px) {
.principle--featured {
transform: scale(1.05);
}
.principle--featured:hover {
transform: scale(1.08) translateY(-5px);
}
}
.principle:hover {
transform: translateY(-5px);
box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}
.principle-icon {
width: 70px;
height: 70px;
margin: 0 auto 1.25rem;
}
.principle-icon svg {
width: 100%;
height: 100%;
color: var(--ink);
}
.breathing-dot {
animation: breathe 3s ease-in-out infinite;
}
@keyframes breathe {
0%, 100% { r: 8; opacity: 1; }
50% { r: 10; opacity: 0.6; }
}
.wave-path {
stroke-dasharray: 100;
animation: wave 3s ease-in-out infinite;
}
@keyframes wave {
0%, 100% { stroke-dashoffset: 0; }
50% { stroke-dashoffset: 50; }
}
.rotating-circle {
transform-origin: center;
animation: rotate-slow 8s linear infinite;
}
.principle h3 {
font-size: 1.35rem;
margin-bottom: 0.75rem;
color: var(--accent-dark);
}
.principle h3 [lang="ja"] {
font-weight: 400;
}
.principle p {
color: var(--grey);
font-size: 0.9rem;
line-height: 1.6;
}
/* Quote */
.quote-section {
background: var(--ink);
color: var(--paper);
}
.main-quote {
text-align: center;
max-width: 700px;
margin: 0 auto;
}
.main-quote blockquote p {
font-family: 'Frank Ruhl Libre', serif;
font-size: clamp(1.5rem, 4vw, 2.25rem);
line-height: 1.4;
margin-bottom: 1.5rem;
}
.main-quote figcaption {
font-size: 0.9rem;
color: var(--accent);
}
/* Schedule */
.schedule-grid {
display: grid;
grid-template-columns: repeat(2, 1fr);
gap: 1.5rem;
margin-top: 3rem;
}
@media (min-width: 1100px) {
.schedule-grid {
grid-template-columns: repeat(4, 1fr);
}
}
@media (max-width: 600px) {
.schedule-grid {
grid-template-columns: 1fr;
}
}
.schedule-card {
background: var(--paper);
border: 1px solid var(--grey-light);
padding: 1.5rem;
transition: border-color 0.3s, transform 0.3s var(--transition-smooth);
position: relative;
overflow: hidden;
}
.schedule-card::before {
content: '';
position: absolute;
top: 0;
inset-inline-start: 0;
width: 4px;
height: 0;
background: var(--accent);
transition: height 0.4s var(--transition-smooth);
}
.schedule-card:hover {
border-color: var(--accent);
}
.schedule-card:hover::before {
height: 100%;
}
.card-header {
display: flex;
justify-content: space-between;
align-items: center;
margin-bottom: 0.75rem;
gap: 0.5rem;
flex-wrap: wrap;
}
.day {
font-weight: 700;
font-size: 1rem;
}
.level {
font-size: 0.7rem;
padding: 0.2rem 0.5rem;
border-radius: 20px;
white-space: nowrap;
display: flex;
align-items: center;
gap: 0.3rem;
}
.level-icon {
font-size: 0.5rem;
}
.level--beginner {
background: rgba(46, 125, 50, 0.15);
color: #2e7d32;
}
.level--all {
background: rgba(21, 101, 192, 0.15);
color: #1565c0;
}
.level--advanced {
background: rgba(194, 24, 91, 0.15);
color: #c2185b;
}
@media (prefers-color-scheme: dark) {
.level--beginner {
background: rgba(76, 175, 80, 0.2);
color: #81c784;
}
.level--all {
background: rgba(66, 165, 245, 0.2);
color: #64b5f6;
}
.level--advanced {
background: rgba(240, 98, 146, 0.2);
color: #f48fb1;
}
}
.card-time {
font-size: 1.25rem;
font-weight: 700;
font-family: 'Frank Ruhl Libre', serif;
margin-bottom: 0.5rem;
transition: color 0.3s;
}
.schedule-card:hover .card-time {
color: var(--accent-dark);
}
.card-desc {
color: var(--grey);
font-size: 0.85rem;
}
.schedule-note {
text-align: center;
margin-top: 2.5rem;
color: var(--grey);
font-size: 0.9rem;
}
/* Contact */
.contact {
background: var(--grey-light);
}
.contact .section-inner {
display: grid;
grid-template-columns: 1.5fr 1fr;
gap: 4rem;
align-items: start;
}
@media (max-width: 900px) {
.contact .section-inner {
grid-template-columns: 1fr;
}
.contact-visual {
order: -1;
max-width: 300px;
margin: 0 auto;
}
}
.contact-content > p {
color: var(--grey);
margin-bottom: 2rem;
max-width: 50ch;
}
.contact-info {
display: flex;
flex-direction: column;
gap: 1rem;
margin-bottom: 2.5rem;
font-style: normal;
}
.info-item {
display: flex;
align-items: center;
gap: 0.75rem;
}
.info-item svg {
width: 22px;
height: 22px;
flex-shrink: 0;
}
.info-item a {
color: var(--ink);
text-decoration: none;
transition: color 0.2s;
}
.info-item a:hover,
.info-item a:focus {
color: var(--accent-dark);
text-decoration: underline;
}
.placeholder {
color: var(--grey);
font-style: italic;
font-size: 0.9em;
}
.contact-form {
display: flex;
flex-direction: column;
gap: 1.25rem;
max-width: 500px;
}
.form-group {
display: flex;
flex-direction: column;
gap: 0.4rem;
}
.form-group label {
font-size: 0.875rem;
font-weight: 500;
}
.required {
color: var(--error);
}
.form-group input,
.form-group textarea {
padding: 0.875rem 1rem;
border: 1px solid var(--grey-light);
background: var(--paper);
font-family: inherit;
font-size: 1rem;
color: var(--ink);
transition: border-color 0.3s, box-shadow 0.3s;
}
.form-group input:focus,
.form-group textarea:focus {
outline: none;
border-color: var(--accent);
box-shadow: 0 0 0 3px rgba(196, 167, 125, 0.25);
}
.form-group input.error,
.form-group textarea.error {
border-color: var(--error);
}
.form-group input.error:focus,
.form-group textarea.error:focus {
box-shadow: 0 0 0 3px rgba(198, 40, 40, 0.2);
}
.error-message {
font-size: 0.8rem;
color: var(--error);
min-height: 1.1em;
}
.form-group textarea {
resize: vertical;
min-height: 100px;
}
.submit-btn {
display: inline-flex;
align-items: center;
justify-content: center;
gap: 0.75rem;
background: var(--ink);
color: var(--paper);
border: none;
padding: 1rem 2rem;
font-size: 1rem;
font-family: inherit;
cursor: pointer;
transition: background-color 0.3s, transform 0.2s var(--transition-smooth);
align-self: flex-start;
}
.submit-btn:hover,
.submit-btn:focus {
background: var(--accent-dark);
}
.submit-btn:active {
transform: scale(0.98);
}
.submit-btn:disabled {
opacity: 0.7;
cursor: not-allowed;
}
.submit-btn svg {
width: 18px;
height: 18px;
transition: transform 0.3s;
}
.submit-btn:hover svg,
.submit-btn:focus svg {
transform: translate(3px, -3px);
}
[dir="rtl"] .submit-btn:hover svg,
[dir="rtl"] .submit-btn:focus svg {
transform: translate(-3px, -3px);
}
.submit-btn.success {
background: var(--success);
}
.form-status {
font-size: 0.875rem;
min-height: 1.25em;
}
.form-status:empty {
display: none;
}
.contact-visual {
display: flex;
justify-content: center;
align-items: flex-start;
padding-top: 2rem;
}
.contact-art {
width: min(100%, 350px);
height: auto;
}
.orbit {
transform-origin: center;
}
.o1 { animation: rotate-slow 25s linear infinite; }
.o2 { animation: rotate-slow 18s linear infinite reverse; }
.o3 { animation: rotate-slow 12s linear infinite; }
.orbiting-dot {
transform-origin: 200px 200px;
}
.d1 { animation: orbit1 15s linear infinite; }
.d2 { animation: orbit2 12s linear infinite reverse; }
.d3 { animation: orbit3 8s linear infinite; }
@keyframes orbit1 {
to { transform: rotate(360deg); }
}
@keyframes orbit2 {
to { transform: rotate(-360deg); }
}
@keyframes orbit3 {
to { transform: rotate(360deg); }
}
/* Footer */
.main-footer {
background: var(--ink);
color: var(--paper);
padding: 2rem;
}
.footer-inner {
max-width: 1200px;
margin: 0 auto;
display: flex;
justify-content: space-between;
align-items: center;
flex-wrap: wrap;
gap: 1rem;
}
.footer-brand {
display: flex;
align-items: center;
gap: 0.75rem;
}
.footer-logo {
width: 32px;
height: 32px;
}
.footer-copy {
font-size: 0.8rem;
color: var(--grey);
}
/* Focus styles */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
outline: 3px solid var(--accent-dark);
outline-offset: 2px;
}
/* Selection */
::selection {
background: var(--accent);
color: var(--paper);
}