:root {
  --ink: #151515;
  --paper: #f7f7f4;
  --line: #d9d9d4;
  --accent: #eaf2ff;
  --muted: #777;
  --serif: Georgia, "Times New Roman", serif;
  --sans: "DM Sans", "Noto Sans JP", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.8;
}

a { color: inherit; text-decoration: none; }
section { position: relative; }
.site-header {
  position: fixed;
  inset: 0 0 auto;
  height: 68px;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 4vw;
  background: rgba(247,247,244,.82);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0,0,0,.08);
}
.brand { font-weight: 900; letter-spacing: .08em; font-size: 14px; }
nav { display: flex; gap: 25px; font-size: 11px; letter-spacing: .13em; }
nav a { opacity: .65; transition: .25s; }
nav a:hover { opacity: 1; }

.hero {
  min-height: 100vh;
  padding: 0 7vw;
  display: grid;
  place-items: center;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}
.hero::before,
.hero::after {
  content: "";
  position: absolute;
  border: 1px solid #ddd9d0;
  border-radius: 50%;
  width: 52vw;
  height: 52vw;
  right: -15vw;
  top: 13vh;
}
.hero::after {
  width: 27vw;
  height: 27vw;
  right: 8vw;
  top: 35vh;
}
.hero-inner { width: 100%; max-width: 1250px; position: relative; z-index: 1; }
.eyebrow { font-size: 11px; letter-spacing: .28em; font-weight: 700; margin: 0 0 22px; }
h1 {
  font-size: clamp(52px, 9vw, 132px);
  line-height: 1.05;
  margin: 0;
  letter-spacing: -.055em;
  font-weight: 900;
}
.hero-sub { margin-top: 28px; font-size: 13px; letter-spacing: .12em; color: #555; }
.hero-meta {
  margin-top: 80px;
  display: flex;
  justify-content: space-between;
  align-items: end;
  font-size: 10px;
  letter-spacing: .25em;
}
.hero-meta span:last-child { font-family: var(--serif); font-style: italic; letter-spacing: 0; font-size: 14px; }

.section { padding: 120px 7vw; }
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  border-bottom: 1px solid var(--ink);
  padding-bottom: 18px;
  margin-bottom: 55px;
}
.section-head h2 {
  font-size: clamp(30px, 5vw, 68px);
  line-height: 1.1;
  margin: 0;
  letter-spacing: -.045em;
}
.section-head span { font-family: var(--serif); font-style: italic; font-size: 16px; }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 7vw;
  max-width: 1100px;
  margin: auto;
}
.photo-placeholder {
  min-height: 520px;
  background: #e9e9e5;
  border: 1px solid var(--line);
  display: grid;
  place-items: center;
  color: #999;
  font-size: 11px;
  letter-spacing: .18em;
}
.about-copy { align-self: center; }
.name { font-size: 13px; letter-spacing: .2em; font-weight: 700; }
.about-copy h3 { font-size: 34px; line-height: 1.25; margin: 0 0 24px; }
.about-copy p { font-size: 14px; color: #555; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 28px; }
.tags span { border: 1px solid #cfcfc9; padding: 4px 10px; font-size: 10px; letter-spacing: .1em; }

.campus { background: #fff; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-intro { max-width: 650px; font-size: 14px; color: #555; margin-bottom: 65px; }
.timeline { max-width: 1050px; margin: auto; border-left: 1px solid #bbb; padding-left: 35px; }
.timeline-item { position: relative; padding-bottom: 50px; }
.timeline-item::before {
  content: "";
  width: 9px;
  height: 9px;
  background: var(--ink);
  border-radius: 50%;
  position: absolute;
  left: -40px;
  top: 11px;
}
.timeline-number { font-family: var(--serif); font-style: italic; font-size: 15px; }
.timeline-item h3 { font-size: 28px; margin: 0; }
.timeline-item p { font-size: 13px; color: #777; margin: 0; }

.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
  max-width: 1200px;
  margin: auto;
}
.project-card {
  min-height: 390px;
  background: #fff;
  border: 1px solid var(--line);
  padding: 25px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform .35s, box-shadow .35s;
}
.project-card:hover { transform: translateY(-7px); box-shadow: 0 18px 40px rgba(0,0,0,.08); }
.project-card:nth-child(2) { margin-top: 60px; }
.project-card:nth-child(3) { margin-top: -25px; }
.project-card:nth-child(4) { margin-top: 35px; }
.card-top { display: flex; justify-content: space-between; font-size: 10px; letter-spacing: .15em; }
.work-placeholder {
  height: 190px;
  background: #f0f0ec;
  display: grid;
  place-items: center;
  color: #aaa;
  font-size: 10px;
  letter-spacing: .2em;
}
.project-card h3 { font-size: 32px; margin: 0; letter-spacing: -.04em; }
.project-card p { font-size: 12px; color: #777; margin: 0; }
.view { display: block; font-size: 10px; letter-spacing: .2em; margin-top: 15px; }

.like { background: var(--accent); }
.like-statement {
  font-size: clamp(30px, 5vw, 66px);
  line-height: 1.35;
  letter-spacing: -.045em;
  font-weight: 900;
  max-width: 1000px;
}
.like-statement em { font-family: var(--serif); font-weight: 400; }
.like-columns { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 70px; }
.like-columns article {
  background: rgba(255,255,255,.6);
  padding: 30px;
  min-height: 190px;
  border: 1px solid rgba(0,0,0,.08);
}
.like-columns b { font-size: 11px; letter-spacing: .15em; }
.like-columns p { font-size: 13px; color: #555; }

.closing {
  min-height: 70vh;
  display: grid;
  place-items: center;
  text-align: center;
}
.closing h2 { font-size: clamp(46px, 8vw, 110px); line-height: 1.05; margin: 0; }
.closing-note { font-family: var(--serif); font-style: italic; color: #777; }

footer {
  padding: 25px 7vw;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  font-size: 10px;
  letter-spacing: .12em;
  color: #777;
}

@media (max-width: 800px) {
  .site-header { height: 58px; }
  nav { display: none; }
  .section, .hero { padding-left: 6vw; padding-right: 6vw; }
  .hero-meta { margin-top: 55px; }
  .about-grid, .projects-grid, .like-columns { grid-template-columns: 1fr; }
  .photo-placeholder { min-height: 380px; }
  .project-card:nth-child(n) { margin-top: 0; }
}