:root {
  color-scheme: light;
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", "Noto Sans JP", sans-serif;
  color: #111;
  background: #080808;
  --ink: #0a0a0a;
  --paper: #f4f3ef;
  --red: #a61f2b;
  --blue: #1d3546;
  --line: rgba(17,17,17,.3);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: #080808; color: #111; }
a { color: inherit; }
button, input, select, textarea { font: inherit; }
img { max-width: 100%; }
.skip-link { position: absolute; top: -80px; left: 16px; z-index: 100; background: #fff; padding: 12px 18px; }
.skip-link:focus { top: 16px; }
main { margin-right: 78px; background: #fff; overflow: hidden; }
.side-nav { position: fixed; z-index: 20; top: 0; right: 0; width: 78px; height: 100%; background: #f3f3f1; border-left: 1px solid #aaa; display: flex; flex-direction: column; }
.side-nav nav { flex: 1; display: flex; justify-content: center; align-items: center; gap: 30px; writing-mode: vertical-rl; padding: 26px 0; }
.side-nav nav a { font-size: 11px; font-weight: 600; text-decoration: none; transition: color .2s ease; }
.side-nav nav a:hover { color: var(--red); }
.side-contact { min-height: 178px; background: var(--red); color: #fff; text-decoration: none; display: flex; align-items: center; justify-content: center; gap: 14px; writing-mode: vertical-rl; font-size: 11px; font-weight: 600; }
.hero { min-height: 760px; height: min(940px, 100vh); position: relative; background: #060606; color: #fff; overflow: hidden; }
.hero-photo { position: absolute; inset: 0; background: url("hero.jpg") center / cover no-repeat; opacity: .94; transform: scale(1.01); }
.hero-shade { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(0,0,0,.86) 0%, rgba(0,0,0,.58) 43%, rgba(0,0,0,.06) 76%), linear-gradient(0deg, rgba(0,0,0,.68) 0%, transparent 34%); }
.topbar { position: relative; z-index: 2; display: flex; align-items: start; justify-content: space-between; padding: 36px 48px; border-bottom: 1px solid rgba(255,255,255,.2); }
.brand { display: grid; gap: 4px; color: #fff; text-decoration: none; font-size: 24px; font-weight: 600; }
.brand small { font-size: 10px; font-weight: 400; color: #d4d4d4; }
.topbar > p { margin: 0; text-align: right; font-size: 9px; line-height: 1.8; color: #ddd; }
.hero-copy { position: relative; z-index: 2; width: 68%; padding: clamp(86px, 12vh, 150px) 48px 170px; }
.kicker, .section-mark { display: flex; align-items: center; gap: 13px; margin: 0 0 28px; font-size: 10px; font-weight: 700; letter-spacing: .14em; }
.kicker::before { content: ""; width: 28px; height: 1px; background: #fff; }
h1 { margin: 0; font-size: clamp(56px, 7vw, 104px); line-height: 1.04; font-weight: 500; letter-spacing: 0; }
.hero-en { margin: 20px 0 0; font-family: Georgia, serif; font-size: 15px; color: #c9c9c9; }
.hero-bottom { position: absolute; z-index: 2; left: 48px; right: 48px; bottom: 32px; display: flex; align-items: end; justify-content: space-between; gap: 30px; }
.hero-bottom p { margin: 0; max-width: 560px; font-size: 13px; line-height: 1.9; color: #ddd; }
.hero-bottom a { display: flex; align-items: center; gap: 18px; text-decoration: none; font-size: 9px; letter-spacing: .18em; }
.hero-bottom a span { display: grid; place-items: center; width: 42px; height: 42px; border: 1px solid rgba(255,255,255,.5); border-radius: 50%; font-size: 15px; }
.intro, .capability, .flow, .company, .faq, .privacy { padding: 110px clamp(34px, 7vw, 100px); }
.section-mark::before { content: ""; width: 24px; height: 1px; background: #111; transform: rotate(-50deg); }
.section-mark.light::before { background: #fff; }
h2 { margin: 0; font-size: clamp(38px, 5.5vw, 70px); line-height: 1.14; font-weight: 500; letter-spacing: 0; }
.intro { background: #fff; }
.intro-grid { display: grid; grid-template-columns: 1.1fr .9fr; align-items: end; gap: 70px; }
.intro-grid h2 span { color: var(--red); }
.intro-grid > p { margin: 0; font-size: 15px; line-height: 2.1; color: #353535; }
.manifesto { min-height: 86px; display: flex; align-items: center; justify-content: center; gap: clamp(24px, 5vw, 76px); padding: 20px 40px; background: var(--red); color: #fff; }
.manifesto p { margin: 0; font-family: Georgia, serif; font-size: 12px; letter-spacing: .16em; }
.manifesto span { width: 7px; height: 7px; border: 1px solid #fff; transform: rotate(45deg); }
.works { padding: 110px clamp(26px, 5vw, 72px) 120px; background: #0e0e0f; color: #fff; }
.works-head { display: flex; align-items: end; justify-content: space-between; gap: 50px; margin-bottom: 54px; }
.works-head > p { max-width: 420px; margin: 0; font-size: 13px; line-height: 2; color: #bdbdbd; }
.poster-grid { display: grid; grid-template-columns: 1.12fr .94fr .94fr; gap: 14px; }
.poster { min-height: 520px; position: relative; background-size: cover; background-repeat: no-repeat; color: #fff; overflow: hidden; }
.poster-one { background-image: url("story-love.jpg"); background-position: 60% center; }
.poster-two { background-image: url("story-work.jpg"); background-position: 63% center; }
.poster-three { background-image: url("story-family.jpg"); background-position: 48% center; }
.poster::after { content: ""; position: absolute; inset: 30% 0 0; background: linear-gradient(transparent, rgba(0,0,0,.92)); }
.poster > div { position: absolute; z-index: 2; left: 25px; right: 25px; bottom: 24px; }
.poster small, .wide-story small { color: #ddd; font-size: 9px; letter-spacing: .14em; }
.poster h3 { margin: 10px 0; font-size: 22px; font-weight: 500; }
.poster p { margin: 0; font-size: 12px; line-height: 1.7; color: #ddd; }
.poster span { display: block; margin-top: 22px; padding-top: 13px; border-top: 1px solid rgba(255,255,255,.35); font-family: Georgia, serif; font-size: 9px; letter-spacing: .14em; color: #aaa; }
.wide-story { min-height: 460px; margin-top: 14px; position: relative; display: flex; align-items: end; background: linear-gradient(90deg, rgba(0,0,0,.76), rgba(0,0,0,.08)), url("story-rain.jpg") center 42% / cover no-repeat; }
.wide-story > div { width: min(520px, 70%); padding: 48px; }
.wide-story h3 { margin: 13px 0; font-size: clamp(30px, 4vw, 52px); font-weight: 500; }
.wide-story p { margin: 0; font-size: 13px; line-height: 1.9; color: #ddd; }
.capability { background: var(--paper); }
.capability-list { margin-top: 58px; border-top: 1px solid #999; }
.capability-list > div { display: grid; grid-template-columns: 90px .85fr 1.15fr; gap: 30px; align-items: center; min-height: 142px; border-bottom: 1px solid #999; transition: padding .25s ease, background .25s ease; }
.capability-list > div:hover { padding-left: 18px; background: #fff; }
.capability-list em, .flow em { font-family: Georgia, serif; color: var(--red); font-size: 30px; font-style: normal; }
.capability-list h3 { margin: 0; font-size: 18px; font-weight: 600; }
.capability-list p { margin: 0; font-size: 13px; line-height: 1.9; color: #414141; }
.studio { display: grid; grid-template-columns: 1.35fr .65fr; min-height: 680px; background: var(--blue); color: #fff; }
.studio-image { min-height: 680px; background: url("editorial-room.jpg") 44% center / cover no-repeat; }
.studio-copy { display: flex; flex-direction: column; justify-content: center; padding: 70px clamp(34px, 5vw, 76px); }
.studio-copy h2 { font-size: clamp(38px, 4.5vw, 64px); }
.studio-copy > p:not(.section-mark) { margin: 32px 0 0; font-size: 13px; line-height: 2; color: #d6dde2; }
.studio-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 38px; }
.studio-tags span { padding: 9px 11px; border: 1px solid rgba(255,255,255,.4); font-size: 9px; letter-spacing: .1em; }
.flow { background: #fff; }
.flow-head { display: flex; align-items: end; justify-content: space-between; gap: 60px; }
.flow-head > p { max-width: 360px; margin: 0; font-size: 13px; line-height: 1.9; color: #555; }
.flow ol { list-style: none; display: grid; grid-template-columns: repeat(5, 1fr); margin: 70px 0 0; padding: 0; border-top: 2px solid #222; }
.flow li { position: relative; min-height: 230px; padding: 38px 20px 0 0; }
.flow li::before { content: ""; position: absolute; top: -7px; left: 0; width: 12px; height: 12px; background: var(--red); border-radius: 50%; }
.flow em { display: block; font-size: 23px; margin-bottom: 20px; }
.flow h3 { margin: 0 0 10px; font-family: Georgia, serif; font-size: 9px; letter-spacing: .12em; color: #777; }
.flow strong { display: block; margin-bottom: 10px; font-size: 17px; font-weight: 600; }
.flow li p { margin: 0; font-size: 11px; line-height: 1.75; color: #555; }
.partners { padding: 105px clamp(34px, 7vw, 100px); display: grid; grid-template-columns: .82fr 1.18fr; gap: 90px; background: #121212; color: #fff; }
.partners h2 { font-size: clamp(38px, 4.8vw, 62px); }
.partner-grid { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid #555; border-left: 1px solid #555; }
.partner-grid article { min-height: 190px; padding: 26px; border-right: 1px solid #555; border-bottom: 1px solid #555; }
.partner-grid span { font-family: Georgia, serif; font-size: 14px; color: #d44b56; }
.partner-grid h3 { margin: 38px 0 10px; font-size: 16px; font-weight: 500; }
.partner-grid p { margin: 0; font-size: 11px; line-height: 1.7; color: #aaa; }
.company { display: grid; grid-template-columns: .75fr 1.25fr; gap: 90px; background: var(--paper); }
.company h2, .faq h2 { font-size: clamp(34px, 4vw, 52px); }
.company dl { margin: 0; border-top: 1px solid var(--line); }
.company dl > div { display: grid; grid-template-columns: 145px 1fr; gap: 30px; padding: 24px 0; border-bottom: 1px solid var(--line); }
.company dt { font-size: 11px; color: #666; }
.company dd { margin: 0; font-size: 13px; line-height: 1.8; }
.faq { display: grid; grid-template-columns: .75fr 1.25fr; gap: 90px; background: #fff; }
.faq-list { border-top: 1px solid #222; }
.faq details { border-bottom: 1px solid #aaa; }
.faq summary { list-style: none; display: flex; justify-content: space-between; gap: 20px; padding: 25px 0; cursor: pointer; font-size: 14px; font-weight: 600; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary span { color: var(--red); font-size: 20px; font-weight: 400; transition: transform .2s ease; }
.faq details[open] summary span { transform: rotate(45deg); }
.faq details p { margin: -5px 48px 26px 0; font-size: 12px; line-height: 1.9; color: #555; }
.contact { display: grid; grid-template-columns: .85fr 1.15fr; background: var(--red); color: #fff; }
.contact-copy { min-height: 650px; padding: 90px clamp(30px, 5vw, 72px); display: flex; flex-direction: column; justify-content: space-between; }
.contact-copy p:not(.section-mark) { margin: 30px 0 0; max-width: 440px; font-size: 13px; line-height: 1.95; color: #f1dadd; }
.contact-copy > a { width: fit-content; color: #fff; font-size: 14px; }
.contact-form { padding: 74px clamp(30px, 5vw, 70px); background: #181818; }
.contact-form > label:not(.privacy-check) { display: block; margin-top: 23px; font-size: 11px; color: #bbb; }
.contact-form input:not([type="checkbox"]), .contact-form select, .contact-form textarea { width: 100%; padding: 13px 0; border: 0; border-bottom: 1px solid #777; border-radius: 0; background: transparent; color: #fff; }
.contact-form select { color-scheme: dark; }
.contact-form textarea { min-height: 115px; resize: vertical; }
.privacy-check { display: flex; align-items: flex-start; gap: 10px; margin: 24px 0; font-size: 12px; color: #ddd; }
.privacy-check input { width: 18px; height: 18px; margin: 0; accent-color: var(--red); }
.contact-form button { width: 100%; min-height: 56px; display: flex; justify-content: space-between; align-items: center; padding: 0 22px; border: 1px solid #fff; border-radius: 0; background: transparent; color: #fff; cursor: pointer; transition: background .2s ease, color .2s ease; }
.contact-form button:hover { background: #fff; color: #111; }
.form-notice { padding: 14px 16px; margin: 0 0 26px; font-size: 13px; line-height: 1.7; }
.form-notice.success { background: #173f2b; }
.form-notice.error { background: #6d1b22; }
.hidden-field { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.privacy { background: var(--paper); }
.privacy h2 { font-size: clamp(30px, 4vw, 48px); }
.privacy > div { max-width: 820px; margin-top: 38px; font-size: 13px; line-height: 2; color: #444; }
footer { display: flex; justify-content: space-between; align-items: end; gap: 30px; padding: 48px clamp(28px, 5vw, 72px); background: #080808; color: #aaa; }
footer div { display: grid; gap: 7px; }
footer strong { color: #fff; font-size: 18px; font-weight: 600; }
footer span, footer p { margin: 0; font-size: 10px; }
@media (max-width: 1040px) {
  .studio { grid-template-columns: 1fr; }
  .studio-image { min-height: 520px; }
  .studio-copy { min-height: 500px; }
  .partners { grid-template-columns: 1fr; gap: 54px; }
}
@media (max-width: 800px) {
  main { margin-right: 0; }
  .side-nav { display: none; }
  .hero { min-height: 700px; height: 100svh; }
  .hero-photo { background-position: 66% center; opacity: .82; }
  .hero-shade { background: linear-gradient(90deg, rgba(0,0,0,.67), rgba(0,0,0,.22)), linear-gradient(0deg, rgba(0,0,0,.78), transparent 48%); }
  .topbar { padding: 26px 22px; }
  .topbar > p { display: none; }
  .brand { font-size: 21px; }
  .hero-copy { width: 100%; padding: 130px 22px 150px; }
  h1 { font-size: clamp(38px, 11vw, 62px); line-height: 1.11; }
  .hero-bottom { left: 22px; right: 22px; bottom: 25px; }
  .hero-bottom a { display: none; }
  .hero-bottom p { font-size: 11px; }
  .intro, .capability, .flow, .company, .faq, .privacy { padding: 76px 22px; }
  .intro-grid, .company, .faq, .contact { grid-template-columns: 1fr; }
  .intro-grid, .company, .faq { gap: 38px; }
  .manifesto { justify-content: flex-start; overflow: hidden; white-space: nowrap; gap: 22px; padding-inline: 22px; }
  .manifesto p { font-size: 9px; }
  .works { padding: 76px 22px; }
  .works-head, .flow-head { display: block; }
  .works-head > p, .flow-head > p { margin-top: 28px; }
  .poster-grid { grid-template-columns: 1fr; }
  .poster { min-height: 430px; }
  .poster-one { background-position: 65% center; }
  .poster-two { background-position: 61% center; }
  .poster-three { background-position: 50% center; }
  .wide-story { min-height: 480px; background-position: center; }
  .wide-story > div { width: 100%; padding: 28px 24px; background: linear-gradient(transparent, rgba(0,0,0,.82)); }
  .capability-list > div { grid-template-columns: 48px 1fr; gap: 16px; padding: 24px 0; }
  .capability-list > div:hover { padding-left: 0; }
  .capability-list p { grid-column: 2; }
  .studio-image { min-height: 380px; background-position: 58% center; }
  .studio-copy { min-height: 0; padding: 68px 22px; }
  .flow ol { grid-template-columns: 1fr; border-top: 0; border-left: 2px solid #222; margin-left: 6px; }
  .flow li { min-height: 0; padding: 0 0 38px 30px; }
  .flow li::before { top: 0; left: -7px; }
  .partner-grid { grid-template-columns: 1fr; }
  .partner-grid article { min-height: 160px; }
  .partner-grid h3 { margin-top: 28px; }
  .company dl > div { grid-template-columns: 105px 1fr; gap: 18px; }
  .faq details p { margin-right: 15px; }
  .contact-copy { min-height: 420px; padding: 70px 22px; }
  .contact-form { padding: 60px 22px 70px; }
  footer { display: block; }
  footer p { margin-top: 22px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}