@charset "UTF-8";
:root {
  --ink:#202e28;
  --green:#173e35;
  --accent:#315f4c;
  --muted:#58655d;
  --paper:#fafaf7;
  --line:#dce2d9;
  --sage:#edf1e9;
  --lime:#e3edc5;
  --serif:"Yu Mincho","Hiragino Mincho ProN","Noto Serif CJK JP",serif;
  --sans:-apple-system,BlinkMacSystemFont,"Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;
}

* {
  box-sizing:border-box;
}

html {
  scroll-padding-top:32px;
}

html:lang(en) {
  --serif:Georgia,"Times New Roman",serif;
}

body {
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font:16px/1.85 var(--sans);
  -webkit-font-smoothing:antialiased;
  overflow-wrap:anywhere;
}

a {
  color:inherit;
  text-underline-offset:5px;
  text-decoration-thickness:1px;
}

a:hover {
  text-decoration-thickness:2px;
}

a:focus-visible {
  outline:3px solid #a86c10;
  outline-offset:6px;
  border-radius:2px;
}

.recruiting-panel a:focus-visible {
  outline-color:#e3edc5;
}

img {
  max-width:100%;
  height:auto;
  display:block;
}

h1,h2,h3,p {
  margin:0;
}

h1,h2,h3 {
  text-wrap:balance;
}

::selection {
  background:#d0e0bd;
  color:var(--green);
}

.skip-link {
  position:fixed;
  top:12px;
  left:16px;
  z-index:10;
  background:var(--green);
  color:#fff;
  padding:12px 24px;
  transform:translateY(-150%);
}

.skip-link:focus {
  transform:translateY(0);
}

.section-wrap {
  padding-left:max(6.1vw,24px);
  padding-right:max(6.1vw,24px);
}

.site-header {
  flex-wrap:wrap;
  min-height:106px;
  padding:24px 4.4vw;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:28px;
  border-bottom:1px solid var(--line);
}

.brand {
  display:inline-flex;
  align-items:center;
  gap:12px;
  text-decoration:none;
  font-family:Georgia,serif;
  font-size:25px;
  font-weight:600;
  line-height:1.2;
  letter-spacing:-.7px;
  flex-shrink:1;
  max-width:100%;
  min-width:0;
}
.brand > span {
  min-width:0;
}

.brand img {
  flex-shrink:0;
}

.brand-caption {
  display:block;
  font:9px/1.5 var(--sans);
  letter-spacing:2px;
  margin-top:5px;
}

.site-header nav {
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:34px;
  font-size:13px;
  font-weight:600;
}

.site-header nav a {
  min-height:44px;
  display:inline-flex;
  align-items:center;
  text-decoration:none;
  white-space:normal;
}

.language-link {
  text-decoration:underline;
  text-underline-offset:5px;
}

:lang(en) .hero-lead {
  letter-spacing:0;
}

:lang(en) h1 {
  letter-spacing:-.035em;
  line-height:1.18;
}

.site-header nav a:hover {
  color:var(--accent);
  text-decoration:underline;
}

.site-header nav .nav-contact {
  padding:11px 18px;
  border:1px solid #8e9e90;
  gap:32px;
}

.nav-contact span {
  font-size:20px;
}

.hero {
  display:grid;
  grid-template-columns:1fr 1fr;
  min-height:720px;
  border-bottom:1px solid var(--line);
}

.hero-content {
  padding:70px 30px 26px max(6.1vw,24px);
  display:flex;
  align-items:flex-start;
  flex-direction:column;
}

.eyebrow {
  font-size:11px;
  font-weight:650;
  line-height:1.6;
  letter-spacing:2.2px;
  color:var(--accent);
}

.hero .eyebrow {
  display:flex;
  gap:12px;
  align-items:center;
}

.small-line {
  width:29px;
  height:1px;
  background:var(--accent);
}

h1 {
  font:500 clamp(43px,5.25vw,82px)/1.4 var(--serif);
  letter-spacing:-.055em;
  margin:27px 0 22px;
}

h1 span {
  color:var(--accent);
}

.hero-lead {
  font-size:18px;
  font-weight:600;
  letter-spacing:.055em;
  line-height:1.9;
}

.hero-description {
  font-size:14px;
  line-height:2.05;
  color:var(--muted);
  margin-top:16px;
}

.button {
  min-height:56px;
  display:inline-flex;
  align-items:center;
  justify-content:space-between;
  gap:30px;
  padding:15px 24px;
  text-decoration:none;
  font-size:13px;
  font-weight:600;
  letter-spacing:.025em;
}

.button-dark {
  background:var(--green);
  color:#fff;
  margin-top:28px;
}

.button-dark:hover {
  background:#2c5948;
  text-decoration:none;
}

.button span {
  font-size:24px;
  line-height:1;
}

.hero-bottom {
  margin-top:auto;
  padding-top:43px;
  width:100%;
  display:flex;
  justify-content:space-between;
  gap:16px;
  font-size:9px;
  color:var(--muted);
  letter-spacing:1px;
}

.hero-bottom a {
  text-decoration:none;
  display:flex;
  align-items:center;
  gap:13px;
  min-height:24px;
  font-size:8px;
}

.hero-bottom a span {
  font-size:18px;
}

.hero-art {
  position:relative;
  background:#e8eee3;
  padding:48px 0 14px;
  display:flex;
  flex-direction:column;
  justify-content:center;
  overflow:hidden;
}

.art-topline {
  position:absolute;
  top:38px;
  left:38px;
  right:38px;
  display:flex;
  justify-content:space-between;
  gap:20px;
  color:#4b6454;
  font-size:9px;
  letter-spacing:1.7px;
}

.hero-art>.hero-paths {
  display:block;
  width:100%;
  height:auto;
  margin-top:0;
}

.art-caption {
  display:flex;
  margin:8px 24px 12px;
  align-items:center;
  gap:25px;
  color:var(--green);
}

.art-caption p {
  font-family:var(--serif);
  font-size:18px;
  line-height:1.8;
  letter-spacing:.05em;
}

.art-number {
  white-space:nowrap;
  flex-shrink:0;
  align-self:flex-start;
  font-family:Georgia,serif;
  font-size:18px;
  margin-top:3px;
}

.art-seal {
  flex-shrink:0;
  white-space:nowrap;
  margin-left:auto;
  font-family:Georgia,serif;
  font-size:25px;
  font-style:italic;
  width:2.4em;
  height:2.4em;
  display:grid;
  place-items:center;
  border:1px solid #9daf9c;
  border-radius:50%;
}

.strengths {
  padding-top:105px;
  padding-bottom:106px;
}

.section-intro {
  display:flex;
  justify-content:space-between;
  align-items:flex-end;
  gap:40px;
  margin-bottom:52px;
}

.section-intro .eyebrow {
  margin-bottom:20px;
}

h2 {
  font:500 clamp(28px,2.75vw,43px)/1.6 var(--serif);
  letter-spacing:.035em;
}

.section-description {
  font-size:14px;
  line-height:2.05;
  color:var(--muted);
  padding-bottom:8px;
  min-width:280px;
}

.strength-grid {
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  border-top:1px solid var(--line);
}

.strength-grid article {
  padding:30px 35px 0 0;
}

.strength-grid article+article {
  border-left:1px solid var(--line);
  padding-left:35px;
}

.item-number {
  font-size:10px;
  letter-spacing:1.35px;
  color:var(--accent);
}

.strength-grid h3 {
  font-size:19px;
  font-weight:600;
  letter-spacing:.02em;
  margin:21px 0 15px;
}

.strength-grid p {
  font-size:14px;
  color:var(--muted);
  line-height:2;
}

.text-link {
  display:inline-flex;
  align-items:center;
  gap:28px;
  font-size:12px;
  font-weight:600;
  min-height:44px;
}

.strength-grid .text-link {
  margin-top:20px;
}

.text-link span {
  font-size:20px;
}

.projects {
  background:var(--sage);
  padding-top:100px;
  padding-bottom:106px;
}

.project-grid {
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:52px 32px;
}

.project-card {
  min-width:0;
  background:var(--paper);
  display:flex;
  flex-direction:column;
  scroll-margin-top:32px;
}

.project-art {
  height:292px;
  position:relative;
  overflow:hidden;
  display:flex;
  align-items:center;
  justify-content:center;
  flex-direction:column;
}

.project-kicker {
  position:absolute;
  top:24px;
  left:26px;
  font-size:9px;
  letter-spacing:2px;
  font-weight:600;
}

.project-wordmark {
  font:38px/1.2 Georgia,serif;
  letter-spacing:-.5px;
  text-align:center;
  z-index:1;
  margin-top:19px;
}

.project-wordmark>span {
  display:block;
  font:10px/1.8 var(--sans);
  letter-spacing:2px;
  margin-top:8px;
}

.art-corner {
  position:absolute;
  bottom:18px;
  right:24px;
  font-size:8px;
  letter-spacing:1.3px;
}

.art-a11y {
  background:#dce6d7;
  color:#214b3c;
}

.a11y-symbol {
  display:flex;
  gap:9px;
  height:64px;
  align-items:center;
}

.a11y-symbol span {
  width:50px;
  height:62px;
  border:2px solid #416955;
  border-radius:50%;
}

.a11y-symbol span:nth-child(2) {
  width:30px;
  height:30px;
  background:#416955;
  margin:0 3px;
}

.a11y-symbol span:nth-child(3) {
  border-radius:32px 32px 0 0;
  border-bottom:0;
}

.art-summary {
  background:#e1e8e8;
  color:#294f56;
}

.sound-symbol {
  height:64px;
  display:flex;
  align-items:center;
  gap:7px;
}

.sound-symbol span {
  display:block;
  width:4px;
  background:#416a70;
  border-radius:4px;
  height:18px;
}

.sound-symbol span:nth-child(2n) {
  height:38px;
}

.sound-symbol span:nth-child(3n) {
  height:56px;
}

.sound-symbol b {
  font-weight:300;
  font-size:28px;
  margin:0 20px;
}

.sound-symbol i {
  width:54px;
  height:43px;
  border:2px solid #416a70;
  border-radius:9px;
  position:relative;
}

.sound-symbol i:after {
  content:"";
  position:absolute;
  width:27px;
  height:8px;
  left:11px;
  top:12px;
  border-block:2px solid #416a70;
}

.art-alchemiiif {
  background:#eee8db;
  color:#63563b;
}

.heritage-symbol {
  width:112px;
  height:74px;
  color:#7b6b49;
}

.art-archive {
  background:#e2e4da;
  color:#485542;
}

.archive-symbol {
  display:flex;
  align-items:flex-end;
  gap:8px;
  height:64px;
}

.archive-symbol i {
  height:60px;
  width:23px;
  border:2px solid #627459;
  border-radius:3px;
  position:relative;
}

.archive-symbol i:after {
  content:"";
  width:11px;
  height:4px;
  border-block:1px solid #627459;
  position:absolute;
  left:4px;
  top:40px;
}

.archive-symbol i:nth-child(2) {
  height:54px;
}

.archive-symbol i:last-child {
  transform:rotate(-16deg);
  transform-origin:bottom left;
  margin-left:12px;
  background:#c0cbb3;
}

.project-body {
  padding:27px 30px 30px;
  display:flex;
  flex-direction:column;
  flex:1;
}

.project-meta {
  display:flex;
  justify-content:space-between;
  gap:10px;
  align-items:center;
  font-size:10px;
  letter-spacing:.025em;
  color:var(--muted);
  margin-bottom:16px;
}

.status {
  font-size:10px;
  padding:2px 8px;
  border:1px solid #aab7a7;
  border-radius:2px;
  white-space:nowrap;
  font-weight:400;
  line-height:1.8;
  color:#465942;
}

.project-body h3 {
  font:600 21px/1.6 var(--serif);
}

.project-name {
  font-size:11px;
  color:var(--muted);
  letter-spacing:.7px;
  margin:8px 0 20px;
}

.project-body>p:not(.project-name) {
  font-size:13px;
  line-height:2.05;
  color:#4e5b52;
  margin-bottom:12px;
}

.project-note {
  margin:8px 0 24px;
  padding:13px 15px;
  border-left:2px solid #92a789;
  background:#f0f2eb;
  font-size:14px;
  line-height:1.9;
  color:#4e5b52;
}

.project-note dt {
  font-weight:650;
  margin-bottom:3px;
}

.project-note dd {
  margin:0;
}

.project-link {
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:14px;
  font-size:12px;
  font-weight:600;
  padding:15px 0 3px;
  border-top:1px solid var(--line);
  margin-top:auto;
  min-height:44px;
}

.project-link>span {
  font-size:23px;
  flex-shrink:0;
}

.project-sub-links {
  display:flex;
  gap:20px;
  flex-wrap:wrap;
  font-size:10px;
  padding-top:6px;
}

.project-sub-links a {
  display:inline-flex;
  align-items:center;
  min-height:30px;
}

.engineering {
  padding-top:102px;
  padding-bottom:95px;
}

.compact-intro h2 {
  font-size:34px;
}

.engineering-list {
  border-top:1px solid var(--line);
}

.engineering-list article {
  display:grid;
  grid-template-columns:42px minmax(0,1fr) 245px;
  gap:24px;
  border-bottom:1px solid var(--line);
  padding:27px 0;
}

.engineering-number {
  font-family:Georgia,serif;
  font-size:14px;
  color:#62705f;
  margin-top:3px;
}

.engineering-list h3 {
  font:25px/1.5 Georgia,serif;
  margin-bottom:8px;
}

.engineering-list h3 a {
  display:inline-flex;
  align-items:center;
  gap:24px;
  text-decoration:none;
  min-height:44px;
}

.engineering-list h3 a:hover {
  text-decoration:underline;
}

.engineering-list h3 span {
  font-family:var(--sans);
  font-size:22px;
  color:var(--accent);
}

.engineering-list p {
  font-size:13px;
  color:var(--muted);
  max-width:670px;
  line-height:2;
}

.tech-label {
  font-size:10px;
  color:var(--accent);
  letter-spacing:.3px;
  text-align:right;
  margin-top:14px;
}

.related-work {
  display:grid;
  grid-template-columns:170px 1fr 1fr;
  gap:38px;
  margin-top:42px;
}

.related-work .eyebrow {
  margin-top:6px;
  font-size:9px;
}

.related-work h3 {
  font-size:15px;
  font-weight:500;
  margin-bottom:7px;
  display:flex;
  align-items:center;
  gap:13px;
  flex-wrap:wrap;
}

.related-work h3 a {
  min-height:30px;
  display:inline-flex;
  align-items:center;
  gap:9px;
}

.related-work p {
  font-size:12px;
  color:var(--muted);
  line-height:1.9;
}

.all-repos {
  margin-top:25px;
}

.approach {
  display:grid;
  grid-template-columns:1fr 1.45fr;
  gap:70px;
  padding-top:87px;
  padding-bottom:87px;
  background:#e9eee4;
}

.approach-heading h2 {
  margin:22px 0;
  font-size:40px;
}

.approach-heading>p:not(.eyebrow) {
  font-size:13px;
  line-height:2;
  color:var(--muted);
}

.approach-heading img {
  margin-top:32px;
  opacity:.85;
}

.approach-list article {
  display:flex;
  gap:30px;
  padding:28px 0;
  border-top:1px solid #bbc9b7;
}

.approach-list article:last-child {
  border-bottom:1px solid #bbc9b7;
}

.approach-list article>span {
  flex:0 0 2ch;
  white-space:nowrap;
  font:15px/2 Georgia,serif;
  color:var(--accent);
}

.approach-list h3 {
  font-size:18px;
  margin-bottom:10px;
  font-weight:600;
}

.approach-list p {
  font-size:13px;
  color:#52614f;
  line-height:2;
}

.recruiting {
  padding-top:100px;
  padding-bottom:90px;
}

.recruiting-panel {
  background:var(--green);
  color:#f6f7ed;
  padding:61px 65px;
  position:relative;
  overflow:hidden;
}

.recruiting-panel>*:not(.recruiting-decoration) {
  position:relative;
  z-index:1;
}

.recruiting-panel .eyebrow {
  color:#c8d9b6;
}

.recruiting-panel h2 {
  margin:20px 0;
  font-size:40px;
  line-height:1.6;
}

.recruiting-panel>p:not(.eyebrow) {
  font-size:13px;
  line-height:2.1;
  color:#d0dccf;
}

.recruiting-panel .recruiting-lead {
  font-size:16px!important;
  margin-bottom:15px;
  color:#f0f4e6!important;
}

.recruiting-contact {
  border-top:1px solid #5b7b66;
  margin-top:35px;
  padding-top:27px;
  display:grid;
  grid-template-columns:170px 1fr;
  gap:12px 20px;
  font-size:12px;
  max-width:760px;
}

.contact-label {
  font-size:12px;
  color:#f0f4e6;
  font-weight:600;
}

.recruiting-contact p {
  color:#d0dccf;
}

.recruiting-contact a {
  grid-column:2;
  display:inline-flex;
  justify-self:start;
  align-items:center;
  min-height:44px;
  gap:20px;
}

.recruiting-decoration {
  position:absolute;
  width:350px;
  height:450px;
  border:1px solid #53725b;
  border-radius:190px 190px 0 0;
  right:-145px;
  top:100px;
  transform:rotate(25deg);
  opacity:.5;
}

.recruiting-decoration:before,.recruiting-decoration:after {
  content:"";
  position:absolute;
  border:1px solid #53725b;
  inset:30px;
  border-radius:160px 160px 0 0;
}

.recruiting-decoration:after {
  inset:60px;
}

.site-footer {
  padding-bottom:25px;
}

.footer-top {
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:24px;
  padding-bottom:37px;
}

.footer-top>div {
  display:flex;
  gap:30px;
  font-size:12px;
}

.footer-top>div a {
  display:inline-flex;
  align-items:center;
  gap:12px;
  min-height:44px;
}

.footer-bottom {
  border-top:1px solid var(--line);
  padding-top:20px;
  display:flex;
  justify-content:space-between;
  gap:20px;
  color:var(--muted);
  font-size:10px;
}

.footer-bottom small {
  font-size:10px;
}

.footer-bottom>span {
  font:italic 13px Georgia,serif;
}

/* 説明本文は画面幅にかかわらず16pxを保つ。 */
.hero-description,.section-description,.strength-grid p,.project-body>p:not(.project-name),.engineering-list p,.related-work p,.approach-list p,.approach-heading>p:not(.eyebrow),.recruiting-panel>p:not(.eyebrow),.recruiting-contact p {
  font-size:16px;
}

/* V2: reuse the existing panels and grids for services, cases, and background. */
.hero-content h1 {
  font-size:clamp(32px,3.3vw,54px);
  line-height:1.5;
  letter-spacing:-.045em;
}
:lang(en) .hero-content h1 {
  font-size:clamp(36px,4vw,64px);
  line-height:1.2;
}
.hero-actions {
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:12px 24px;
  margin-top:24px;
}
.hero-actions .button {
  margin-top:0;
}
.hero-actions .text-link {
  font-size:14px;
  gap:12px;
}
.services {
  border-top:1px solid var(--line);
}
.service-contact {
  margin-top:28px;
  font-size:16px;
}
.case-details {
  margin:0 0 28px;
  font-size:16px;
  color:#4e5b52;
}
.case-details>div+div {
  margin-top:18px;
}
.case-details dt {
  color:var(--accent);
  font-size:13px;
  font-weight:650;
  margin-bottom:4px;
}
.case-details dd {
  margin:0;
}
.case-context {
  margin-top:32px;
  max-width:72ch;
  font-size:16px;
  color:var(--muted);
}
.about {
  padding-block:88px;
}
.about-story {
  display:grid;
  grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);
  gap:48px;
  color:var(--muted);
}
.about-story p+p {
  margin-top:22px;
}
.about-background {
  border-left:1px solid var(--line);
  padding-left:32px;
}
.about-background strong {
  color:var(--ink);
}
.about-collaboration {
  margin-top:30px;
}
.contact-examples {
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:12px 40px;
  padding-left:1.3em;
  margin-block:24px;
}
.legacy-anchor {
  display:block;
}

@media(min-width:1600px) {
  .section-wrap {
    padding-left:max(calc((100vw - 1400px)/2),6vw);
    padding-right:max(calc((100vw - 1400px)/2),6vw);
  }
  .hero-content {
    padding-left:max(calc((100vw - 1400px)/2),6vw);
  }
  .hero {
    min-height:800px;
  }
  .hero-art>.hero-paths {
    max-height:740px;
    object-fit:contain;
  }
}

@media(max-width:1100px) {
  .site-header {
    padding-inline:4vw;
  }
  .site-header nav {
    gap:22px;
  }
  .site-header nav .nav-contact {
    gap:16px;
  }
  .brand {
    font-size:22px;
  }
  .hero {
    min-height:680px;
  }
  .hero-content {
    padding-top:48px;
  }
  .hero-description {
    font-size:13px;
  }
  .art-topline {
    font-size:8px;
    left:25px;
    right:25px;
  }
  .hero-bottom {
    flex-wrap:wrap;
  }
  .strength-grid article {
    padding-right:23px;
  }
  .strength-grid article+article {
    padding-left:23px;
  }
  .strength-grid h3 {
    font-size:17px;
  }
  .project-body {
    padding-inline:24px;
  }
  .project-body h3 {
    font-size:19px;
  }
  .engineering-list article {
    grid-template-columns:32px 1fr 170px;
  }
  .related-work {
    grid-template-columns:125px 1fr 1fr;
    gap:25px;
  }
  .approach {
    gap:45px;
  }
  .recruiting-panel {
    padding:50px 40px;
  }
}

@media(max-width:800px) {
  .about-story { grid-template-columns:1fr; gap:28px; }
  .about-background { border-left:0; border-top:1px solid var(--line); padding:24px 0 0; }
  .contact-examples { grid-template-columns:1fr; }
  .site-header {
    flex-wrap:wrap;
    justify-content:center;
    padding:20px 24px 15px;
    gap:17px;
  }
  .site-header nav {
    width:100%;
    justify-content:center;
    gap:24px;
    font-size:12px;
  }
  .site-header nav .nav-contact {
    padding:4px 12px;
  }
  .hero {
    grid-template-columns:1fr 1fr;
    min-height:620px;
  }
  .hero-content {
    padding:45px 22px 25px 28px;
  }
  .hero .eyebrow {
    font-size:9px;
    letter-spacing:1.2px;
  }
  .hero .small-line {
    width:16px;
  }
  h1 {
    font-size:43px;
    margin-top:24px;
  }
  .hero-lead {
    font-size:15px;
  }
  .hero-description {
    font-size:12px;
  }
  .desktop-break {
    display:none;
  }
  .hero .button {
    font-size:11px;
    gap:16px;
    padding:13px 16px;
  }
  .art-topline {
    flex-direction:column;
    gap:4px;
  }
  .art-caption {
    gap:15px;
  }
  .art-caption p {
    font-size:15px;
  }
  .art-seal {
    display:none;
  }
  .section-wrap {
    padding-left:28px;
    padding-right:28px;
  }
  .strengths,.projects,.engineering {
    padding-top:70px;
    padding-bottom:70px;
  }
  .section-intro {
    gap:25px;
    margin-bottom:36px;
  }
  h2 {
    font-size:30px;
  }
  .section-description {
    min-width:220px;
    font-size:12px;
  }
  .strength-grid h3 {
    font-size:16px;
  }
  .strength-grid p {
    font-size:12px;
  }
  .strength-grid article {
    padding-right:16px;
  }
  .strength-grid article+article {
    padding-left:16px;
  }
  .text-link {
    font-size:10px;
    gap:12px;
  }
  .project-grid {
    gap:30px 22px;
  }
  .project-art {
    height:230px;
  }
  .project-body {
    padding:22px 20px;
  }
  .project-meta {
    align-items:flex-start;
    flex-wrap:wrap;
    gap:6px;
  }
  .project-body h3 {
    font-size:19px;
  }
  .project-wordmark {
    font-size:32px;
  }
  .project-kicker {
    left:20px;
    font-size:8px;
  }
  .project-link {
    font-size:11px;
  }
  .compact-intro h2 {
    font-size:28px;
  }
  .engineering-list article {
    grid-template-columns:28px 1fr;
    gap:5px 18px;
  }
  .tech-label {
    grid-column:2;
    text-align:left;
    margin-top:8px;
  }
  .related-work {
    grid-template-columns:1fr 1fr;
    gap:20px;
  }
  .related-work>.eyebrow {
    grid-column:1/-1;
  }
  .approach {
    grid-template-columns:1fr 1.45fr;
    gap:32px;
    padding-block:65px;
  }
  .approach-heading h2 {
    font-size:30px;
  }
  .approach-list article {
    gap:18px;
    padding-block:22px;
  }
  .approach-list h3 {
    font-size:16px;
  }
  .recruiting {
    padding-top:65px;
    padding-bottom:65px;
  }
  .recruiting-panel {
    padding:40px 32px;
  }
  .recruiting-panel h2 {
    font-size:31px;
  }
  .recruiting-contact {
    grid-template-columns:1fr;
  }
  .recruiting-contact a {
    grid-column:1;
  }
  .footer-top {
    flex-wrap:wrap;
  }
  .footer-bottom {
    flex-wrap:wrap;
  }
  .footer-bottom>span {
    display:none;
  }
}

@media(max-width:600px) {
  .about { padding-block:58px; }
  .hero-content h1 { font-size:clamp(29px,6.4vw,38px); }
  :lang(en) .hero-content h1 { font-size:clamp(32px,7.5vw,42px); }
  .site-header {
    justify-content:flex-start;
    padding:20px 22px 12px;
  }
  .brand {
    font-size:23px;
  }
  .brand-caption {
    font-size:8px;
  }
  .brand img {
    width:36px;
    height:36px;
  }
  .site-header nav {
    justify-content:space-between;
    gap:10px;
    font-size:10px;
  }
  .site-header nav .nav-contact {
    padding:4px 9px;
    gap:10px;
  }
  .nav-contact span {
    font-size:17px;
  }
  .hero {
    grid-template-columns:1fr;
  }
  .hero-content {
    padding:38px 24px 26px;
  }
  .hero .eyebrow {
    font-size:9px;
  }
  h1 {
    font-size:clamp(40px,9.8vw,57px);
    margin:25px 0 20px;
    line-height:1.5;
  }
  .hero-lead {
    font-size:16px;
  }
  .hero-description {
    font-size:13px;
    line-height:2;
  }
  .hero .button {
    font-size:12px;
    min-height:54px;
    padding:13px 20px;
    gap:25px;
  }
  .hero-bottom {
    padding-top:25px;
    flex-wrap:nowrap;
    font-size:8px;
  }
  .hero-bottom a {
    font-size:7px;
  }
  .hero-art>.hero-paths {
    width:390px;
    align-self:center;
    max-width:100%;
    margin:0;
  }
  .art-topline {
    top:19px;
    left:24px;
    right:24px;
    flex-direction:row;
    font-size:7px;
    letter-spacing:1px;
  }
  .art-caption p {
    font-size:13px;
    line-height:1.6;
  }
  .art-number {
    font-size:15px;
  }
  .art-seal {
    display:grid;
    width:2.4em;
    height:2.4em;
    font-size:18px;
  }
  .section-wrap {
    padding-inline:24px;
  }
  .section-intro {
    display:block;
  }
  .section-intro .eyebrow {
    margin-bottom:15px;
  }
  h2 {
    font-size:29px;
    line-height:1.6;
  }
  .section-description {
    font-size:13px;
    margin-top:24px;
    min-width:0;
  }
  .strength-grid {
    grid-template-columns:1fr;
  }
  .strength-grid article,.strength-grid article+article {
    border-left:0;
    padding:24px 0;
  }
  .strength-grid article+article {
    border-top:1px solid var(--line);
  }
  .strength-grid article:last-child {
    padding-bottom:0;
  }
  .strength-grid h3 {
    font-size:19px;
    margin:13px 0 12px;
  }
  .strength-grid p {
    font-size:14px;
  }
  .strength-grid .text-link {
    font-size:12px;
    margin-top:12px;
  }
  .strengths {
    padding-bottom:57px;
  }
  .projects,.engineering {
    padding-block:58px;
  }
  .project-grid {
    grid-template-columns:1fr;
    gap:30px;
  }
  .project-art {
    height:252px;
  }
  .project-wordmark {
    font-size:36px;
  }
  .project-body {
    padding:24px;
  }
  .project-body h3 {
    font-size:20px;
  }
  .project-body>p:not(.project-name) {
    font-size:13px;
  }
  .project-meta {
    flex-wrap:nowrap;
    font-size:9px;
  }
  .project-note {
    font-size:14px;
  }
  .project-link {
    font-size:12px;
  }
  .project-sub-links {
    font-size:11px;
    gap:15px;
  }
  .compact-intro h2 {
    font-size:27px;
  }
  .engineering-list h3 {
    font-size:23px;
  }
  .engineering-list p {
    font-size:13px;
  }
  .related-work {
    grid-template-columns:1fr;
    gap:22px;
  }
  .related-work>.eyebrow {
    margin-bottom:0;
  }
  .related-work p {
    font-size:13px;
  }
  .all-repos {
    font-size:12px;
  }
  .approach {
    grid-template-columns:1fr;
    gap:32px;
    padding-block:58px;
  }
  .approach-heading img {
    display:none;
  }
  .approach-heading h2 {
    font-size:33px;
    margin:16px 0;
  }
  .approach-heading>p:not(.eyebrow) {
    font-size:14px;
  }
  .approach-list h3 {
    font-size:17px;
  }
  .approach-list p {
    font-size:13px;
  }
  .recruiting {
    padding:40px 16px;
  }
  .recruiting-panel {
    padding:35px 25px;
  }
  .recruiting-panel h2 {
    font-size:27px;
    letter-spacing:0;
  }
  .recruiting-panel .recruiting-lead {
    font-size:14px!important;
  }
  .recruiting-panel>p:not(.eyebrow) {
    font-size:13px;
  }
  .recruiting-contact {
    font-size:12px;
    gap:12px;
    margin-top:28px;
  }
  .recruiting-decoration {
    opacity:.25;
  }
  .footer-top {
    gap:22px;
    padding-bottom:25px;
  }
  .footer-top>div {
    font-size:11px;
    gap:22px;
    flex-wrap:wrap;
  }
  .footer-top .brand {
    font-size:22px;
  }
  .footer-bottom {
    font-size:9px;
    gap:10px;
    justify-content:flex-start;
  }
  .footer-bottom small {
    font-size:9px;
  }
  .site-footer {
    padding-top:10px;
  }
}

@media(max-width:360px) {
  .site-header {
    padding-inline:16px;
  }
  .site-header nav {
    gap:6px;
    font-size:9px;
  }
  .site-header nav .nav-contact {
    gap:5px;
    padding-inline:7px;
  }
  .section-wrap {
    padding-inline:20px;
  }
  .hero-content {
    padding-inline:20px;
  }
  .hero-bottom {
    gap:8px;
    letter-spacing:.5px;
  }
  .project-body {
    padding-inline:20px;
  }
  .project-body h3 {
    font-size:19px;
  }
  .project-meta {
    flex-wrap:wrap;
  }
  .recruiting {
    padding-inline:12px;
  }
  .recruiting-panel {
    padding-inline:22px;
  }
  .recruiting-panel h2 {
    font-size:24px;
  }
  .footer-top>div {
    gap:16px;
  }
}

/* メディアクエリ後も本文サイズの下限を維持する。 */
@media screen {
  .hero-description,.section-description,.strength-grid p,.project-body>p:not(.project-name),.engineering-list p,.related-work p,.approach-list p,.approach-heading>p:not(.eyebrow),.recruiting-panel>p:not(.eyebrow),.recruiting-contact p {
    font-size:16px;
  }
}

/* Keep the complete routes visible unless motion is explicitly permitted. */
.hero-route {
  stroke: #537449;
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 1;
}

.hero-arrival {
  fill: #537449;
}

@media screen {
  .hero-paths.is-playing .hero-arch {
    animation: raise-arch 2.4s cubic-bezier(.25,.1,.25,1) both!important;
  }
  .hero-paths.is-playing .hero-arch-second {
    animation-delay: .45s!important;
  }
  .hero-paths.is-playing .hero-route {
    animation: trace-route 1.4s ease-in-out 2s both!important;
  }
  .hero-paths.is-playing .hero-route-second {
    animation-delay: 2.3s!important;
  }
  .hero-paths.is-playing .hero-route-shared {
    animation-duration: .75s!important;
    animation-delay: 3.7s!important;
  }
  .hero-paths.is-playing .hero-arrival {
    animation: mark-arrival .35s ease-out 4.45s both!important;
  }
}

@keyframes raise-arch {
  from { transform: translateY(40px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

@keyframes trace-route {
  from { stroke-dashoffset: 1; }
  to { stroke-dashoffset: 0; }
}

@keyframes mark-arrival {
  from { fill: #c5d6a9; }
  to { fill: #537449; }
}

@media(prefers-reduced-motion:reduce) {
  *,*::before,*::after {
    scroll-behavior:auto!important;
    animation:none!important;
    transition:none!important;
  }
}

@media print {
  .about-story,.contact-examples { display:block; }
  .about-background { border:0; padding:18px 0 0; }
  .case-details { font-size:10pt; }
  .case-details>div,.strength-grid article,.approach-list article { break-inside:avoid; }
  .contact-examples { color:#111; }
  @page {
    margin:16mm;
  }
  body {
    font-size:10pt;
    background:#fff;
    color:#111;
  }
  .site-header {
    padding:0 0 16px;
    min-height:0;
  }
  .site-header nav,.skip-link,.hero-art,.hero-bottom,.project-art,.recruiting-decoration {
    display:none!important;
  }
  .section-wrap,.hero-content {
    padding:24px 0!important;
  }
  .hero {
    display:block;
    min-height:0;
  }
  .hero-content h1 {
    font-size:32pt;
  }
  .hero-description,.hero-lead {
    font-size:11pt;
  }
  .button {
    border:1px solid #333;
    color:#111;
    background:#fff;
    margin-top:15px;
  }
  .section-intro {
    margin-bottom:20px;
  }
  .strength-grid,.project-grid {
    display:block;
  }
  .strength-grid article,.strength-grid article+article {
    border:0;
    padding:10px 0;
  }
  .project-card {
    break-inside:avoid;
    margin-bottom:18px;
    border:1px solid #bbb;
  }
  .project-body {
    padding:16px;
  }
  .project-body>p:not(.project-name) {
    font-size:10pt;
  }
  .project-note {
    font-size:9pt;
  }
  .project-body h3 {
    font-size:16pt;
  }
  .projects,.approach {
    background:#fff;
  }
  .approach {
    display:block;
  }
  .approach-heading img {
    display:none;
  }
  .engineering-list article {
    grid-template-columns:25px 1fr;
    break-inside:avoid;
  }
  .tech-label {
    grid-column:2;
    text-align:left;
  }
  .related-work {
    display:block;
  }
  .related-work>div {
    margin-top:15px;
  }
  .recruiting-panel {
    background:#fff;
    color:#111;
    padding:20px;
    border:1px solid #999;
    break-inside:avoid;
  }
  .recruiting-panel h2 {
    font-size:24pt;
  }
  .recruiting-panel p,.recruiting-panel .eyebrow,.recruiting-panel .recruiting-lead,.contact-label {
    color:#111!important;
  }
  .recruiting-contact {
    border-color:#999;
  }
  .footer-top>div {
    display:none;
  }
  .footer-bottom {
    font-size:8pt;
  }
  a {
    color:#111;
    text-decoration:underline;
  }
  a[href^="https://"]::after {
    content:" (" attr(href) ")";
    font:8pt/1.5 var(--sans);
    word-break:break-all;
  }
  .brand::after {
    content:none!important;
  }
  .hero-description br {
    display:none;
  }
  .project-link {
    display:block;
  }
  h2,h3 {
    break-after:avoid;
  }
}

.hero-replay:not([hidden]) {
  display:block;
  margin:0 auto;
  max-width:calc(100% - 48px);
  min-height:44px;
  padding:8px 16px;
  border:1px solid var(--green);
  border-radius:4px;
  color:var(--green);
  background:var(--paper);
  font:inherit;
  font-size:12px;
  line-height:1.5;
  cursor:pointer;
}

.hero-replay:focus-visible {
  outline:3px solid var(--green);
  outline-offset:3px;
}