@font-face {
  font-family: Yokohata;
  src: url('assets/yokohata-text.woff') format('woff');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
:root {
  --paper: #f8f7f1;
  --ink: #222722;
  --quiet: #676d64;
  --line: #d4d8cd;
  --blue: #3156d9;
  --yellow: #e9c64c;
  --green: #2f5145;
  --max: 1280px;
  --gutter: clamp(24px, 6vw, 88px);
  --font: Yokohata, 'Hiragino Kaku Gothic ProN', 'Yu Gothic', sans-serif;
  --mono: 'SFMono-Regular', Consolas, 'Liberation Mono', monospace;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 32px; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 400 16px/1.9 var(--font); -webkit-font-smoothing: antialiased; }
body.dialog-open { overflow: hidden; }
::selection { background: #e2e8cf; color: var(--ink); }
h1, h2, h3, p, figure { margin: 0; }
h1, h2, h3 { font-weight: 800; line-height: 1.5; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; border: 0; padding: 0; background: none; }
a, button { -webkit-tap-highlight-color: transparent; }
svg { display: block; width: 100%; height: auto; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--blue); outline-offset: 6px; }
.shell { width: min(calc(100% - var(--gutter) * 2), var(--max)); margin-inline: auto; }
.symbol-definitions { position: absolute; width: 0; height: 0; overflow: hidden; }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: absolute; top: 12px; left: 12px; z-index: 20; background: var(--ink); color: #fff; padding: 12px 20px; transform: translateY(-180%); }
.skip-link:focus { transform: none; }

/* A quiet masthead leaves the statement and the artwork in charge. */
.site-header { display: flex; align-items: center; justify-content: space-between; gap: 28px; padding-block: 29px 27px; }
.wordmark { display: inline-flex; flex-direction: column; gap: 7px; flex-shrink: 0; }
.wordmark-jp { font-weight: 800; font-size: 18px; letter-spacing: .025em; line-height: 1.4; }
.wordmark-en { font: 8px/1.4 var(--mono); letter-spacing: .15em; }
.site-nav { display: flex; align-items: center; gap: 32px; font-size: 12px; }
.site-nav a, .site-nav button { padding-block: 10px; position: relative; }
.site-nav a::after, .site-nav button::after { content: ''; position: absolute; bottom: 4px; left: 0; right: 0; height: 1px; background: currentColor; transform: scaleX(0); transform-origin: left; transition: transform .2s; }
.site-nav a:hover::after, .site-nav button:hover::after { transform: scaleX(1); }
.nav-journal { color: var(--green); }
.nav-journal > span:first-child { margin-left: 8px; }

/* The introduction lives with the headline, before the scroll. */
.hero { padding-top: 22px; padding-bottom: 148px; }
.hero-eyebrow { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.hero-eyebrow p { font-size: 12px; letter-spacing: .055em; }
.micro { font: 8px/1.5 var(--mono); letter-spacing: .055em; color: var(--quiet); }
.hero-stage { display: grid; grid-template-columns: .94fr 1.06fr; align-items: center; column-gap: 38px; margin-top: 26px; }
.hero-copy { min-width: 0; position: relative; z-index: 1; }
.hero-title { font-size: clamp(74px, 8.05vw, 116px); font-weight: 900; letter-spacing: -.08em; line-height: 1.17; -webkit-text-stroke: .006em currentColor; }
.hero-line { display: block; white-space: nowrap; }
.hero-line--indent { padding-left: .6em; }
.hero-line a { display: inline-block; transition: transform .3s cubic-bezier(.22,1,.36,1); }
.hero-line a:hover { transform: translateX(6px); }
.hero-dot { letter-spacing: -.19em; -webkit-text-stroke: 0; }
.dot-blue { color: var(--blue); }
.dot-yellow { color: var(--yellow); }
.dot-green { color: var(--green); }
.hero-description { font-size: 14px; line-height: 2.05; letter-spacing: .01em; margin-top: 24px; }
.hero-description > span { display: block; font-size: 10px; color: var(--quiet); margin-top: 14px; letter-spacing: .04em; }
.hero-art { min-width: 0; margin-right: -18px; }
.art-caption { display: flex; justify-content: space-between; align-items: center; gap: 20px; margin: 18px 16px 0; font: 7px/1.5 var(--mono); color: var(--quiet); letter-spacing: .08em; }
.art-caption > span:first-child { color: var(--ink); }
.activity-navigation { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); margin-top: 40px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.activity-navigation > a { display: flex; align-items: center; gap: 22px; min-height: 78px; padding: 20px 25px; font-size: 14px; font-weight: 700; transition: color .2s; }
.activity-navigation > a + a { border-left: 1px solid var(--line); }
.activity-navigation > a:first-child { padding-left: 0; }
.activity-navigation > a:last-child { padding-right: 0; }
.nav-number { font: 10px/1.2 var(--mono); color: var(--quiet); }
.activity-navigation svg { width: 22px; height: 22px; margin-left: auto; transition: transform .25s; }
.activity-navigation a:hover svg { transform: rotate(45deg); }
.activity-navigation a:nth-child(1):hover { color: var(--blue); }
.activity-navigation a:nth-child(2):hover { color: #80630f; }
.activity-navigation a:nth-child(3):hover { color: var(--green); }

/* Three activities, with room for each to have its own pace. */
.section-intro { display: flex; align-items: flex-end; justify-content: space-between; gap: 48px; margin-bottom: 108px; }
.eyebrow { display: flex; align-items: center; gap: 12px; font: 10px/1.5 var(--mono); letter-spacing: .08em; color: var(--quiet); }
.tiny-line { display: block; width: 24px; height: 1px; background: currentColor; }
.section-intro h2 { font-size: clamp(38px, 3.8vw, 52px); letter-spacing: -.06em; line-height: 1.5; margin-top: 22px; }
.intro-copy { font-size: 14px; line-height: 2.2; color: #525a50; padding-bottom: 5px; }
.activity { --accent: var(--blue); display: grid; grid-template-columns: minmax(0,1.04fr) minmax(0,.96fr); grid-template-rows: auto 1fr; column-gap: clamp(48px, 7.5vw, 110px); position: relative; align-items: start; scroll-margin-top: 40px; }
.activity + .activity { margin-top: 184px; }
.activity-index { grid-column: 2; grid-row: 1; display: flex; align-items: center; gap: 15px; font: 10px/1.5 var(--mono); letter-spacing: .06em; margin-top: 12px; margin-bottom: 29px; color: var(--quiet); }
.activity-index > span:first-child { font-size: 14px; color: var(--accent); }
.activity-index > span:first-child::after { content: ''; display: inline-block; vertical-align: middle; width: 30px; height: 1px; background: var(--line); margin-left: 15px; }
.activity-copy { grid-column: 2; grid-row: 2; min-width: 0; }
.activity-name { font-size: 13px; line-height: 1.7; letter-spacing: .06em; color: var(--accent); margin-bottom: 22px; }
.activity h3 { font-size: clamp(32px, 3.1vw, 44px); line-height: 1.6; letter-spacing: -.055em; -webkit-text-stroke: .003em currentColor; }
.activity-description { font-size: 15px; line-height: 2.15; letter-spacing: .005em; margin-top: 28px; }
.service-keywords { list-style: none; display: flex; flex-wrap: wrap; gap: 6px 0; padding: 0; margin: 26px 0 0; font-size: 10px; line-height: 1.7; color: var(--quiet); }
.service-keywords li + li::before { content: '/'; display: inline-block; margin-inline: 12px; color: #858d7b; }
.text-link { display: inline-flex; align-items: center; justify-content: space-between; gap: 28px; font-size: 13px; line-height: 1.6; padding-block: 10px; border-bottom: 1px solid currentColor; min-height: 48px; margin-top: 30px; transition: color .2s; text-align: left; }
.text-link:hover { color: var(--accent,var(--blue)); }
.link-arrow { width: 28px; height: 28px; display: grid; place-items: center; flex-shrink: 0; transition: transform .25s; }
.link-arrow svg { width: 22px; height: 22px; }
.text-link:hover .link-arrow { transform: translateX(5px); }
.activity-art { grid-column: 1; grid-row: 1/3; min-width: 0; align-self: center; }
.art-canvas { position: relative; aspect-ratio: 1.02; overflow: hidden; }
.canvas-kicker { position: absolute; top: 27px; left: 28px; font: 8px/1.4 var(--mono); letter-spacing: .06em; }
.canvas-foot { position: absolute; bottom: 24px; left: 28px; font: 8px/1.4 var(--mono); letter-spacing: .08em; }
.activity-art figcaption { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-top: 18px; font-size: 10px; line-height: 1.7; color: var(--quiet); }
.activity-art figcaption > span:last-child { font: 8px/1.2 var(--mono); white-space: nowrap; }

/* Web: a page coming together, rather than a fabricated project. */
.design-canvas { background: #e8edfa; color: var(--blue); }
.design-sheet { position: absolute; left: 12%; top: 20%; width: 74%; height: 65%; background: var(--paper); border: 1px solid #222722; box-shadow: 7px 12px 0 rgb(49 86 217 / .08); transform: rotate(-6deg); transform-origin: center; transition: transform .5s cubic-bezier(.22,1,.36,1); }
.activity-art--create:hover .design-sheet { transform: rotate(-3deg); }
.sheet-bar { height: 32px; border-bottom: 1px solid #222722; display: flex; align-items: center; gap: 5px; padding-inline: 13px; }
.sheet-bar i { width: 4px; height: 4px; border: 1px solid var(--ink); border-radius: 50%; }
.sheet-bar span { font: 6px/1 var(--mono); letter-spacing: .08em; margin-left: auto; color: var(--ink); }
.sheet-content { padding: 24px 27px; color: var(--ink); }
.sheet-label { display: block; font: 7px/1.4 var(--mono); letter-spacing: .06em; }
.sheet-title { display: block; font: clamp(40px, 4.2vw, 60px)/1.03 Georgia,'Times New Roman',serif; letter-spacing: -.055em; margin-top: 20px; }
.sheet-title em { font-weight: 400; }
.sheet-rule { display: block; height: 1px; background: #a4aa9c; width: 65%; margin-top: 22px; }
.sheet-rule--short { width: 44%; margin-top: 8px; }
.design-piece { position: absolute; right: 0; bottom: 1%; width: 39%; color: var(--blue); transform: rotate(8deg); }
.design-cursor { position: absolute; left: 12%; bottom: 16%; width: 10%; transform: rotate(8deg); transition: transform .3s; }
.activity-art--create:hover .design-cursor { transform: rotate(1deg) translate(4px,-6px); }

/* Lessons: the illustration is also a small, usable example. */
.activity--learn { --accent: #80630f; grid-template-columns: minmax(0,.96fr) minmax(0,1.04fr); }
.activity--learn .activity-index, .activity--learn .activity-copy { grid-column: 1; }
.activity--learn .activity-art { grid-column: 2; }
.lesson-canvas { background: #f0e6bc; color: var(--ink); }
.lesson-paper { position: absolute; left: 14%; top: 18%; width: 69%; height: 64%; background: var(--paper); box-shadow: 6px 9px 0 rgb(128 99 15 / .07); transform: rotate(5deg); padding: 24px 26px; }
.lesson-paper-label { font-size: 10px; letter-spacing: .02em; }
.lesson-preview { font: bold clamp(40px, 4.6vw, 64px)/.98 Georgia,serif; letter-spacing: -.065em; color: var(--blue); margin-top: 18px; transition: color .25s; }
.lesson-preview em { font-weight: 400; }
.lesson-code { font: 10px/1.5 var(--mono); border-top: 1px solid var(--line); padding-top: 13px; margin-top: 21px; white-space: nowrap; }
.lesson-code code { font: inherit; }
.lesson-stair { position: absolute; left: -6%; bottom: 0; width: 35%; color: var(--yellow); transform: rotate(-9deg); }
.lesson-switch { position: absolute; right: 24px; bottom: 24px; display: flex; align-items: center; gap: 11px; background: var(--ink); color: var(--paper); min-height: 46px; padding: 10px 16px; font-size: 11px; transition: background .2s; }
.lesson-switch:hover { background: #2f5145; }
.switch-dot { width: 8px; height: 8px; background: var(--blue); border: 1px solid rgb(255 255 255 / .35); border-radius: 50%; }
.lesson-switch[aria-pressed=true] .switch-dot { background: #a7c5b1; }
.lesson-switch[aria-pressed=true] { background: var(--green); }

/* The owned journal changes the pace with a full-width green field. */
.activity--media {
  --accent: #f8f7f1;
  --quiet: #d1dbcf;
  --line: #829c8b;
  grid-template-columns: minmax(0,.96fr) minmax(0,1.04fr);
  padding-block: 94px 88px;
  padding-inline: max(var(--gutter), calc((100% - var(--max)) / 2));
  background: var(--green);
  color: var(--paper);
}
.activity--media .activity-index, .activity--media .activity-copy { grid-column: 1; }
.activity--media .activity-art { grid-column: 2; }
.activity--media .activity-index { margin-top: 0; }
.activity--media .text-link:hover { color: #e9c64c; }
.activity--media a:focus-visible { outline-color: var(--paper); }
.owned-label { border-left: 1px solid var(--line); padding-left: 12px; margin-left: 12px; font-size: 10px; color: var(--quiet); white-space: nowrap; }
.journal-description { display: flex; flex-direction: column; gap: 8px; margin-top: 27px; font-size: 11px; line-height: 1.8; color: var(--quiet); }
.journal-name { font: 700 28px/1.3 Georgia,serif; letter-spacing: -.025em; color: var(--paper); }
.media-canvas { display: block; background: transparent; color: var(--paper); aspect-ratio: 1.02; }
.media-canvas .canvas-kicker { left: 0; top: 0; color: #f0f2e9; font-size: 7px; }
.media-canvas::before { content: ''; position: absolute; left: 19%; top: 13%; width: 64%; height: 77%; background: #b6c3ac; transform: rotate(3deg); }
.journal-cover { position: absolute; left: 19%; top: 13%; width: 64%; height: 77%; background: #faf9f5; color: var(--green); padding: 23px 26px; transform: rotate(-7deg); box-shadow: 9px 15px 22px rgb(10 28 21 / .18); transition: transform .5s cubic-bezier(.22,1,.36,1); }
.media-canvas:hover .journal-cover { transform: rotate(-3deg) translateY(-3px); }
.cover-top { font: 7px/1.3 var(--mono); letter-spacing: .09em; display: block; border-bottom: 1px solid #d2d9ca; padding-bottom: 10px; }
.cover-title { display: block; font: 700 clamp(40px, 4.9vw, 70px)/.87 Georgia,serif; letter-spacing: -.06em; margin-top: 21px; }
.cover-title i { font-weight: 400; }
.cover-copy { position: absolute; left: 26px; bottom: 53px; font-size: 10px; line-height: 1.9; }
.cover-mark { position: absolute; width: 31%; right: 19px; bottom: 45px; color: var(--green); }
.cover-bottom { position: absolute; bottom: 20px; left: 26px; right: 20px; padding-top: 10px; border-top: 1px solid #d2d9ca; font: 5.5px/1.3 var(--mono); letter-spacing: .055em; }
.cover-link { position: absolute; right: 12px; bottom: 13px; width: 42px; height: 42px; border: 1px solid rgb(248 247 241 / .55); border-radius: 50%; display: grid; place-items: center; transition: background .2s; }
.cover-link svg { width: 20px; height: 20px; }
.media-canvas:hover .cover-link { background: rgb(248 247 241 / .1); }

/* A personal closing, without relying on a large portfolio. */
.site-footer { padding-top: 91px; padding-bottom: 30px; }
.footer-invitation { display: grid; grid-template-columns: 1.25fr .75fr; align-items: end; gap: 56px; margin-bottom: 76px; }
.footer-statement { font-size: clamp(32px, 3.7vw, 51px); font-weight: 800; line-height: 1.6; letter-spacing: -.06em; margin-top: 23px; }
.footer-person { padding-bottom: 5px; }
.footer-person > p { font-size: 12px; line-height: 2; color: var(--quiet); }
.footer-person strong { display: block; font-size: 24px; font-weight: 600; color: var(--ink); margin-top: 5px; }
.footer-person .text-link { min-width: 190px; margin-top: 17px; }
.footer-main, .footer-meta { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.footer-main { border-top: 1px solid var(--line); padding-top: 34px; }
.back-top { font-size: 11px; display: flex; align-items: center; gap: 24px; min-height: 44px; }
.back-top > span { font-size: 20px; }
.footer-meta { font: 8px/1.5 var(--mono); letter-spacing: .06em; color: var(--quiet); margin-top: 32px; }

.detail-dialog { --accent: var(--blue); border: 0; background: var(--paper); color: var(--ink); width: min(720px,calc(100% - 40px)); max-height: calc(100dvh - 48px); margin: auto; padding: 0; overscroll-behavior: contain; }
.detail-dialog::backdrop { background: rgb(25 32 27 / .5); backdrop-filter: blur(5px); }
.dialog-inner { position: relative; padding: 64px; }
.dialog-close { position: absolute; right: 19px; top: 13px; width: 44px; height: 44px; font: 32px/1 var(--font); display: grid; place-items: center; }
.dialog-inner h2 { font-size: 34px; letter-spacing: -.055em; line-height: 1.6; margin-top: 25px; }
.dialog-lead { font-size: 14px; line-height: 2; margin-top: 24px; }
.detail-list { margin: 36px 0 0; font-size: 14px; }
.detail-list > div { display: grid; grid-template-columns: 100px minmax(0,1fr); gap: 22px; border-top: 1px solid var(--line); padding-block: 20px; }
.detail-list dt { font-weight: 700; line-height: 1.9; }
.detail-list dd { margin: 0; line-height: 1.9; color: #4f564f; }
.profile-role { font-size: 12px; margin-top: 10px; color: var(--quiet); }
.profile-copy { font-size: 14px; line-height: 2.2; margin-top: 18px; }

@media (max-width: 1100px) {
  .hero-stage { gap: 24px; }
  .hero-art { margin-right: -10px; }
  .hero-description { font-size: 13px; }
  .activity-navigation > a { padding-inline: 20px; gap: 18px; font-size: 13px; }
  .activity { column-gap: 48px; }
  .activity + .activity { margin-top: 152px; }
  .activity h3 { font-size: 31px; }
  .activity-description { font-size: 14px; }
  .desktop-break { display: none; }
  .activity-index { margin-top: 0; margin-bottom: 23px; }
  .activity-name { margin-bottom: 18px; }
  .canvas-kicker, .canvas-foot { font-size: 6.5px; left: 21px; }
  .sheet-bar { height: 26px; padding-inline: 10px; }
  .sheet-content { padding: 18px 20px; }
  .sheet-label { font-size: 6px; }
  .sheet-title { font-size: 40px; margin-top: 15px; }
  .sheet-rule { margin-top: 16px; }
  .sheet-rule--short { margin-top: 7px; }
  .lesson-paper { padding: 18px 20px; }
  .lesson-paper-label { font-size: 9px; }
  .lesson-preview { font-size: 46px; margin-top: 14px; }
  .lesson-code { font-size: 8px; margin-top: 15px; padding-top: 10px; }
  .lesson-switch { font-size: 10px; bottom: 20px; right: 20px; gap: 8px; padding-inline: 12px; }
  .journal-cover { padding: 18px 21px; }
  .cover-title { font-size: 48px; margin-top: 18px; }
  .cover-top { font-size: 6px; }
  .cover-copy { left: 21px; bottom: 45px; font-size: 9px; }
  .cover-mark { bottom: 40px; right: 16px; }
  .cover-bottom { left: 21px; bottom: 17px; font-size: 4.5px; padding-top: 9px; }
}
@media (max-width: 900px) {
  :root { --gutter: 32px; }
  .nav-journal { display: none; }
  .hero { padding-bottom: 114px; }
  .hero-stage { grid-template-columns: 1fr 1fr; gap: 14px; }
  .hero-title { font-size: 8.65vw; }
  .hero-description { font-size: 13px; }
  .micro { font-size: 7px; }
  .art-caption { font-size: 6px; gap: 10px; margin-inline: 5px; }
  .activity-navigation > a { font-size: 12px; min-height: 70px; gap: 13px; padding-inline: 15px; }
  .section-intro { margin-bottom: 80px; }
  .section-intro h2 { font-size: 39px; }
  .intro-copy { font-size: 13px; }
  .activity { column-gap: 32px; }
  .activity h3 { font-size: 29px; }
  .activity-description { font-size: 14px; line-height: 2.05; }
  .activity-art { align-self: start; margin-top: 4px; }
  .art-canvas { aspect-ratio: .88; }
  .lesson-paper { height: 65%; }
  .lesson-preview { font-size: 43px; }
  .sheet-title { font-size: 37px; }
  .journal-cover { width: 69%; left: 15%; padding: 18px; }
  .media-canvas::before { width: 69%; left: 15%; }
  .cover-title { font-size: 44px; }
  .cover-copy { left: 18px; font-size: 8px; }
  .cover-bottom { left: 18px; font-size: 4px; }
  .activity-art figcaption { font-size: 9px; }
  .activity--media { padding-block: 80px; }
  .owned-label { font-size: 8px; margin-left: 8px; padding-left: 8px; }
}
@media (max-width: 760px) {
  :root { --gutter: 26px; }
  .site-header { padding-block: 26px; gap: 20px; }
  .wordmark-jp { font-size: 16px; }
  .wordmark-en { font-size: 7px; letter-spacing: .1em; }
  .site-nav { gap: 20px; font-size: 11px; }
  .hero { padding-top: 21px; padding-bottom: 106px; }
  .hero-eyebrow p { font-size: 11px; }
  .hero-eyebrow .micro { display: none; }
  .hero-stage { display: grid; grid-template-columns: minmax(0,1fr); gap: 34px; margin-top: 24px; }
  .hero-title { font-size: clamp(72px, 15.5vw, 104px); line-height: 1.17; }
  .hero-line--indent { padding-left: .6em; }
  .hero-description { font-size: 15px; line-height: 2; margin-top: 27px; }
  .hero-description > span { margin-top: 10px; }
  .hero-art { width: min(100%,560px); margin: 0 0 0 auto; }
  .art-caption { font-size: 6.5px; margin-top: 13px; margin-inline: 0; }
  .activity-navigation { margin-top: 32px; }
  .activity-navigation > a { gap: 9px; flex-wrap: wrap; align-content: center; font-size: 12px; min-height: 74px; padding: 16px 14px; }
  .nav-number { font-size: 8px; width: 100%; }
  .activity-navigation svg { width: 17px; height: 17px; }
  .section-intro { flex-direction: column; align-items: flex-start; gap: 22px; margin-bottom: 66px; }
  .section-intro h2 { margin-top: 18px; font-size: 37px; }
  .intro-copy { font-size: 14px; }
  .activity, .activity--learn, .activity--media { grid-template-columns: minmax(0,1fr); grid-template-rows: auto auto auto; gap: 0; }
  .activity + .activity { margin-top: 120px; }
  .activity-index, .activity--learn .activity-index, .activity--media .activity-index { grid-column: 1; grid-row: 1; margin: 0 0 24px; font-size: 9px; }
  .activity-copy, .activity--learn .activity-copy, .activity--media .activity-copy { grid-column: 1; grid-row: 2; }
  .activity h3 { font-size: clamp(33px, 6.9vw, 43px); line-height: 1.55; }
  .activity-name { font-size: 13px; margin-bottom: 20px; }
  .activity-description { font-size: 15px; line-height: 2.1; margin-top: 25px; }
  .service-keywords { font-size: 11px; margin-top: 23px; }
  .text-link { font-size: 13px; margin-top: 25px; }
  .activity-art, .activity--learn .activity-art, .activity--media .activity-art { grid-column: 1; grid-row: 3; width: min(100%,620px); margin: 42px auto 0; }
  .art-canvas { aspect-ratio: 1.08; }
  .canvas-kicker { font-size: 7px; top: 24px; left: 24px; }
  .canvas-foot { font-size: 7px; bottom: 22px; left: 24px; }
  .design-sheet { left: 13%; width: 71%; top: 20%; height: 64%; }
  .sheet-content { padding: 23px 26px; }
  .sheet-bar { height: 30px; }
  .sheet-bar span { font-size: 7px; }
  .sheet-label { font-size: 8px; }
  .sheet-title { font-size: clamp(43px, 10.3vw, 73px); margin-top: 20px; }
  .sheet-rule { margin-top: 20px; }
  .sheet-rule--short { margin-top: 8px; }
  .design-piece { width: 38%; }
  .design-cursor { width: 9%; bottom: 17%; }
  .lesson-paper { left: 16%; top: 17%; width: 66%; height: 65%; padding: 24px 27px; }
  .lesson-paper-label { font-size: 11px; }
  .lesson-preview { font-size: clamp(51px, 12vw, 82px); margin-top: 18px; }
  .lesson-code { font-size: 11px; margin-top: 18px; padding-top: 12px; }
  .lesson-switch { font-size: 12px; min-height: 46px; bottom: 24px; right: 24px; padding-inline: 16px; gap: 11px; }
  .activity-art figcaption { font-size: 10px; margin-top: 15px; }
  .activity--media { padding-block: 65px 62px; }
  .activity--media .activity-art { width: min(100%,540px); margin-top: 48px; }
  .owned-label { font-size: 10px; margin-left: 12px; padding-left: 12px; }
  .journal-description { font-size: 12px; }
  .journal-name { font-size: 28px; }
  .media-canvas { aspect-ratio: 1.04; }
  .journal-cover, .media-canvas::before { left: 19%; top: 13%; width: 64%; height: 78%; }
  .journal-cover { padding: 23px 25px; }
  .cover-top { font-size: 6px; }
  .cover-title { font-size: clamp(47px, 11.5vw, 76px); margin-top: 18px; }
  .cover-copy { font-size: 10px; left: 25px; bottom: 50px; }
  .cover-mark { right: 18px; bottom: 46px; }
  .cover-bottom { left: 25px; bottom: 19px; font-size: 5px; }
  .cover-link { width: 38px; height: 38px; bottom: 9px; right: 6px; }
  .site-footer { padding-top: 66px; }
  .footer-invitation { grid-template-columns: 1fr; gap: 33px; margin-bottom: 56px; }
  .footer-statement { font-size: clamp(34px, 7.4vw, 46px); margin-top: 20px; }
  .footer-person > p { font-size: 12px; }
  .footer-person strong { font-size: 22px; }
  .footer-person .text-link { min-width: 190px; margin-top: 12px; }
  .footer-main { padding-top: 28px; }
  .footer-meta { margin-top: 26px; font-size: 7px; }
  .back-top { font-size: 10px; gap: 14px; }
  .dialog-inner { padding: 58px 27px 35px; }
  .dialog-inner h2 { font-size: 27px; }
  .dialog-lead, .profile-copy, .detail-list { font-size: 14px; }
  .detail-list > div { grid-template-columns: 1fr; gap: 8px; padding-block: 17px; }
}
@media (max-width: 430px) {
  :root { --gutter: 23px; }
  .hero-title { font-size: 18.2vw; }
  .hero-description { font-size: 14px; }
  .hero-stage { gap: 29px; }
  .hero-art { width: 100%; }
  .activity-navigation > a { font-size: 11px; padding-inline: 10px; gap: 7px; }
  .activity-navigation svg { width: 14px; height: 14px; }
  .activity + .activity { margin-top: 108px; }
  .sheet-content { padding: 19px 23px; }
  .sheet-bar { height: 27px; }
  .sheet-bar span { font-size: 6px; }
  .sheet-label { font-size: 6px; }
  .sheet-title { font-size: 43px; margin-top: 16px; }
  .sheet-rule { margin-top: 16px; }
  .sheet-rule--short { margin-top: 7px; }
  .lesson-paper { padding: 22px 24px; }
  .lesson-paper-label { font-size: 10px; }
  .lesson-preview { font-size: 50px; margin-top: 16px; }
  .lesson-code { font-size: 9px; margin-top: 16px; padding-top: 11px; }
  .lesson-switch { font-size: 11px; right: 20px; bottom: 20px; padding-inline: 14px; }
  .journal-cover { padding: 21px 23px; }
  .cover-title { font-size: 47px; margin-top: 16px; }
  .cover-copy { font-size: 9px; left: 23px; bottom: 46px; }
  .cover-bottom { left: 23px; font-size: 4.5px; bottom: 17px; }
  .cover-mark { right: 14px; bottom: 41px; }
  .footer-meta { align-items: flex-start; flex-direction: column; gap: 10px; }
}
@media (max-width: 380px) {
  :root { --gutter: 20px; }
  .site-header { gap: 14px; }
  .wordmark-jp { font-size: 14px; }
  .wordmark-en { font-size: 6.3px; letter-spacing: .06em; }
  .site-nav { font-size: 10px; gap: 14px; }
  .hero-eyebrow p { font-size: 10px; }
  .hero-title { font-size: clamp(59px,18.3vw,70px); }
  .activity-navigation > a { font-size: 10px; padding-inline: 8px; }
  .activity-navigation svg { width: 12px; height: 12px; }
  .activity h3 { font-size: 31px; }
  .activity-description { font-size: 14px; }
  .service-keywords { font-size: 10px; }
  .sheet-content { padding: 16px 19px; }
  .sheet-title { font-size: 37px; margin-top: 14px; }
  .sheet-rule { margin-top: 13px; }
  .sheet-rule--short { margin-top: 6px; }
  .sheet-bar { height: 24px; }
  .lesson-paper { padding: 19px 20px; }
  .lesson-preview { font-size: clamp(38px,12vw,45px); margin-top: 14px; }
  .lesson-code { font-size: 8px; margin-top: 14px; padding-top: 9px; }
  .lesson-switch { font-size: 10px; right: 16px; bottom: 16px; padding-inline: 12px; gap: 9px; }
  .canvas-kicker, .canvas-foot { font-size: 6px; left: 19px; }
  .canvas-kicker { top: 19px; }
  .canvas-foot { bottom: 18px; }
  .journal-cover { padding: 18px 19px; }
  .cover-title { font-size: 42px; margin-top: 15px; }
  .cover-top { font-size: 5px; }
  .cover-copy { font-size: 8px; left: 19px; bottom: 40px; }
  .cover-mark { bottom: 35px; right: 13px; }
  .cover-bottom { left: 19px; bottom: 14px; font-size: 4px; }
  .cover-link { width: 34px; height: 34px; }
  .footer-statement { font-size: 32px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .hero-line a:hover, .activity-navigation a:hover svg, .text-link:hover .link-arrow { transform: none; }
  .activity-art--create:hover .design-sheet { transform: rotate(-6deg); }
  .activity-art--create:hover .design-cursor { transform: rotate(8deg); }
  .media-canvas:hover .journal-cover { transform: rotate(-7deg); }
}