:root {
  --white: #fff;
  --paper: #f5f5f4;
  --ink: #191919;
  --muted: #555b5d;
  --accent: #335c65;
  --rule: #d7d9d7;
  --max: 1280px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 110px; }
body { margin: 0; color: var(--ink); background: var(--white); font-family: "Yu Gothic", "Hiragino Kaku Gothic ProN", "Noto Sans CJK JP", Meiryo, sans-serif; -webkit-font-smoothing: antialiased; }
body, button { font-size: 16px; }
a { color: inherit; }
button { font: inherit; }
img { max-width: 100%; }
h1, h2, p, ul, figure { margin: 0; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
.wrap { width: min(var(--max), calc(100% - 88px)); margin-inline: auto; }
.skip-link { position: absolute; z-index: 30; top: -100px; left: 16px; padding: 12px 16px; background: var(--ink); color: var(--white); }
.skip-link:focus { top: 16px; }
.eyebrow { color: var(--accent); font-family: Georgia, "Times New Roman", serif; font-size: 11px; line-height: 1.5; letter-spacing: .2em; }

.site-header { position: sticky; top: 0; z-index: 10; background: rgba(255,255,255,.98); border-bottom: 1px solid var(--rule); }
.header-inner { width: min(var(--max), calc(100% - 88px)); min-height: 76px; margin-inline: auto; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { flex: 0 0 auto; font-family: Georgia, "Times New Roman", serif; font-size: 16px; letter-spacing: .035em; text-decoration: none; white-space: nowrap; }
.brand span { color: var(--muted); font-size: 12px; }
.work-nav { display: flex; align-items: center; gap: clamp(16px,2vw,34px); }
.work-nav a { padding: 8px 0; color: #454b4d; font-size: 12px; line-height: 1.4; letter-spacing: .015em; text-decoration: none; white-space: nowrap; border-bottom: 1px solid transparent; transition: border-color .18s ease, color .18s ease; }
.work-nav a:hover, .work-nav a:focus-visible { color: var(--ink); border-color: var(--accent); }

.hero { border-bottom: 1px solid var(--rule); }
.hero-inner { min-height: min(810px, calc(100svh - 76px)); padding-block: clamp(105px,12vw,180px) clamp(96px,10vw,150px); display: grid; grid-template-columns: minmax(0,1.35fr) minmax(310px,.65fr); gap: clamp(70px,10vw,160px); align-items: center; }
.hero-statement .eyebrow span { color: var(--muted); }
.hero h1 { margin-top: 25px; font-family: "Yu Mincho", "Hiragino Mincho ProN", "Noto Serif CJK JP", serif; font-size: clamp(47px,5.2vw,82px); font-weight: 400; letter-spacing: .055em; line-height: 1.48; }
.hero-lead { max-width: 38em; margin-top: 37px; color: #454b4d; font-size: 15px; line-height: 2; letter-spacing: .025em; }
.text-link { display: inline-flex; align-items: center; gap: 18px; padding-bottom: 8px; border-bottom: 1px solid var(--ink); color: var(--ink); font-size: 13px; text-decoration: none; }
.text-link:hover { color: var(--accent); border-color: var(--accent); }
.hero-scroll { margin-top: 57px; }
.hero-profile { align-self: center; padding-top: 8px; }
.hero-profile h2 { margin-top: 12px; font: 400 clamp(30px,3vw,42px)/1.2 Georgia, "Times New Roman", serif; }
.profile-copy { margin-top: 30px; font-size: 14px; line-height: 2.05; letter-spacing: .01em; }
.strengths-label { margin-top: 43px; }
.strengths { padding: 0; margin-top: 17px; list-style: none; }
.strengths li { position: relative; padding-left: 18px; margin-top: 10px; color: #434748; font-size: 13px; line-height: 1.7; }
.strengths li::before { content: "—"; position: absolute; left: 0; color: var(--accent); }

.case { padding-top: clamp(86px,9vw,132px); padding-bottom: clamp(86px,9vw,132px); scroll-margin-top: 80px; }
.case + .case { border-top: 1px solid var(--rule); }
.case-heading { display: grid; grid-template-columns: 215px minmax(0,1fr); align-items: start; gap: clamp(28px,4vw,64px); margin-bottom: clamp(38px,5vw,64px); }
.case-number { padding-top: 8px; font: 24px/1 Georgia, "Times New Roman", serif; white-space: nowrap; }
.case-number span { color: #83898a; font: 12px/1 Georgia, "Times New Roman", serif; }
.case h2 { font-family: Georgia, "Yu Mincho", "Hiragino Mincho ProN", "Noto Serif CJK JP", serif; font-size: clamp(38px,4.25vw,64px); font-weight: 400; line-height: 1.35; letter-spacing: -.025em; }
.case-medium { margin-top: 13px; color: var(--muted); font-size: 13px; line-height: 1.5; letter-spacing: .025em; }
.case-theme { max-width: 35em; margin-top: 25px; font-family: "Yu Mincho", "Hiragino Mincho ProN", "Noto Serif CJK JP", serif; font-size: clamp(18px,1.8vw,23px); line-height: 1.75; letter-spacing: .025em; }
.case-description { max-width: 51em; margin-top: 12px; color: #434748; font-size: 15px; line-height: 1.95; letter-spacing: .015em; overflow-wrap: anywhere; }
.gallery { background: var(--paper); padding: clamp(16px,2vw,26px); }
.work-image { min-width: 0; }
.image-open { display: block; width: 100%; padding: 0; border: 0; background: var(--white); text-align: left; cursor: zoom-in; }
.image-open img { display: block; width: 100%; height: auto; }
.image-open:hover { outline: 1px solid #b8bebb; }
.image-open:focus-visible { outline-offset: 3px; }
.gallery-aspara { display: grid; grid-template-columns: minmax(0,1.2fr) minmax(0,1fr) minmax(0,.8fr); gap: clamp(16px,2vw,26px); align-items: start; }
.aspara-main-column, .aspara-middle-column { display: grid; align-content: start; gap: clamp(16px,2vw,26px); min-width: 0; }
.image-aspara-main { width: 100%; }
.image-aspara-long { width: 100%; }
.gallery-pet { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); align-items: start; gap: clamp(16px,2vw,26px); }
.pet-support-one, .pet-support-two { margin-top: 0; }
.gallery-led .lead-image { width: min(54%,640px); }
.gallery-cable { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: clamp(16px,2vw,26px); align-items: start; }
.gallery-cable .lead-image { width: 100%; }
.gallery-cable .support-grid { display: contents; }
.gallery-letsketch { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: clamp(16px,2vw,26px); align-items: start; }
.gallery-letsketch .lead-image { width: 100%; margin: 0; }
.support-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: clamp(16px,2vw,26px); margin-top: clamp(16px,2vw,26px); align-items: start; }
.gallery-letsketch .support-grid { display: contents; }
.banner-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: clamp(16px,2vw,26px); margin-top: clamp(16px,2vw,26px); }
.case-footer { display: grid; grid-template-columns: 110px minmax(0,1fr) auto; align-items: start; gap: clamp(24px,4vw,72px); margin-top: 32px; padding-top: 22px; border-top: 1px solid var(--rule); color: var(--muted); font-size: 12px; line-height: 1.7; }
.case-footer span { font-family: Georgia, "Times New Roman", serif; letter-spacing: .06em; }
.case-footer small { font-size: 11px; white-space: nowrap; }

.site-footer { border-top: 1px solid var(--rule); background: var(--paper); }
.footer-inner { padding-block: 115px 125px; display: flex; align-items: end; justify-content: space-between; gap: 48px; }
.footer-inner h2 { margin-top: 20px; font-family: "Yu Mincho", "Hiragino Mincho ProN", "Noto Serif CJK JP", serif; font-size: clamp(30px,3.2vw,46px); font-weight: 400; line-height: 1.5; }
.footer-inner p:not(.eyebrow) { margin-top: 19px; color: var(--muted); font-size: 14px; line-height: 1.9; }
.portfolio-link { flex: 0 0 auto; display: inline-flex; align-items: center; gap: 32px; padding: 0 0 11px; border-bottom: 1px solid var(--ink); font-size: 14px; text-decoration: none; white-space: nowrap; }
.portfolio-link:hover { color: var(--accent); border-color: var(--accent); }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 20px; border-top: 1px solid var(--rule); padding-block: 20px 34px; color: var(--muted); font: 12px/1.5 Georgia, "Times New Roman", serif; letter-spacing: .035em; }
.footer-bottom a { text-decoration: none; }
.footer-bottom a:hover { color: var(--accent); }

.lightbox { width: min(1280px,96vw); max-width: 96vw; max-height: 95vh; padding: 0 20px 20px; border: 0; background: var(--white); color: var(--ink); overflow: hidden; }
.lightbox[open] { display: flex; flex-direction: column; }
.lightbox::backdrop { background: rgba(18,22,23,.84); }
.lightbox-toolbar { position: sticky; top: 0; z-index: 1; min-height: 60px; display: flex; align-items: center; justify-content: space-between; gap: 20px; background: var(--white); border-bottom: 1px solid var(--rule); }
.lightbox-caption { color: var(--muted); font-size: 13px; line-height: 1.5; }
.lightbox-close { flex: 0 0 auto; padding: 9px 4px 9px 15px; border: 0; background: transparent; color: var(--ink); font-size: 13px; cursor: pointer; }
.lightbox-close span { margin-left: 9px; font-size: 23px; line-height: .6; vertical-align: -2px; }
.lightbox-close:hover { color: var(--accent); }
.lightbox-image-wrap { flex: 1 1 auto; min-height: 0; overflow: auto; padding-top: 20px; }
.lightbox-image { display: block; width: auto; max-width: 100%; max-height: calc(95vh - 120px); height: auto; margin-inline: auto; object-fit: contain; }
.lightbox-image.is-long { width: min(640px,100%); max-height: none; }

@media (max-width: 1100px) {
  .header-inner { width: calc(100% - 48px); }
  .wrap { width: calc(100% - 64px); }
  .site-header { position: sticky; }
  .header-inner { flex-wrap: wrap; align-content: center; justify-content: flex-start; gap: 2px 24px; padding-block: 14px 10px; }
  .work-nav { width: 100%; overflow-x: auto; gap: 25px; scrollbar-width: thin; }
  .hero-inner { grid-template-columns: minmax(0,1.1fr) minmax(270px,.9fr); gap: 50px; }
  .case-heading { grid-template-columns: 1fr; gap: 23px; }
  .case-number { padding: 0 0 15px; border-bottom: 1px solid var(--rule); }
  .gallery-aspara { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .image-aspara-long { grid-column: 1 / -1; width: min(50%,420px); justify-self: center; }
  .case-footer { grid-template-columns: 70px 1fr; }
  .case-footer small { grid-column: 2; }
}

@media (min-width: 701px) and (max-width: 850px) {
  .gallery-pet { grid-template-columns: 1fr; gap: 18px; }
  .gallery-pet .work-image { width: min(100%,520px); justify-self: center; }
}

@media (max-width: 700px) {
  html { scroll-padding-top: 112px; }
  .wrap { width: calc(100% - 40px); }
  .header-inner { width: calc(100% - 40px); min-height: auto; padding-block: 14px 8px; gap: 8px; }
  .brand { font-size: 15px; }
  .brand span { font-size: 11px; }
  .work-nav { gap: 21px; padding-bottom: 2px; }
  .work-nav a { font-size: 12px; }
  .hero-inner { min-height: 0; padding-block: 91px 88px; grid-template-columns: 1fr; gap: 88px; }
  .hero h1 { margin-top: 20px; font-size: clamp(39px,9.6vw,60px); line-height: 1.5; }
  .hero-lead { margin-top: 29px; font-size: 14px; }
  .hero-scroll { margin-top: 38px; }
  .hero-profile h2 { font-size: 34px; }
  .profile-copy { margin-top: 23px; font-size: 14px; }
  .strengths-label { margin-top: 34px; }
  .strengths li { font-size: 13px; }
  .case { padding-block: 74px 80px; }
  .case-heading { gap: 18px; margin-bottom: 34px; }
  .case-number { padding: 0 0 17px; border-bottom: 1px solid var(--rule); font-size: 19px; }
  .case h2 { font-size: clamp(35px,9vw,49px); }
  .case-medium { margin-top: 9px; }
  .case-theme { margin-top: 22px; font-size: 19px; }
  .case-description { margin-top: 10px; font-size: 14px; line-height: 1.9; }
  .gallery { padding: 14px; }
  .gallery-aspara { grid-template-columns: 1fr; gap: 16px; }
  .aspara-main-column, .aspara-middle-column { gap: 16px; }
  .image-aspara-long { grid-column: auto; width: 100%; }
  .gallery-pet { grid-template-columns: 1fr; gap: 18px; }
  .pet-support-one, .pet-support-two { margin-top: 0; }
  .gallery-cable { grid-template-columns: 1fr; gap: 18px; }
  .gallery-letsketch { grid-template-columns: 1fr; gap: 18px; }
  .gallery-led .lead-image { width: 100%; }
  .support-grid { grid-template-columns: 1fr; gap: 18px; margin-top: 18px; }
  .banner-grid { grid-template-columns: 1fr; gap: 16px; margin-top: 16px; }
  .case-footer { display: block; margin-top: 26px; padding-top: 18px; font-size: 12px; }
  .case-footer p { margin-top: 6px; }
  .case-footer small { display: block; margin-top: 6px; }
  .footer-inner { display: block; padding-block: 85px 94px; }
  .footer-inner h2 { font-size: 32px; }
  .footer-inner p:not(.eyebrow) { font-size: 14px; }
  .portfolio-link { margin-top: 45px; font-size: 13px; }
  .footer-bottom { font-size: 11px; }
  .lightbox { width: 100vw; max-width: 100vw; max-height: 100dvh; min-height: 100dvh; padding-inline: 12px; }
  .lightbox-image { max-height: calc(100dvh - 106px); }
}

@media (max-width: 390px) {
  .hero h1 { font-size: 37px; }
  .footer-bottom { align-items: flex-start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .work-nav a { transition: none; }
}