:root {
  --bg: #f5f5f5;
  --text: #1a1a1a;
  --accent: #a8d8c8;
  --line: #e0e0e0;
  --shadow: 0 18px 38px rgba(26, 26, 26, 0.08);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Noto Sans JP", "DM Sans", sans-serif;
  background: radial-gradient(circle at 20% 15%, rgba(168, 216, 200, 0.18), transparent 45%), var(--bg);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
}

.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(transparent 95%, rgba(0, 0, 0, 0.035) 95%);
  background-size: 100% 3px;
  opacity: 0.15;
  z-index: 1;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 20;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 5vw;
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(8px);
  background-color: rgba(245, 245, 245, 0.84);
}

.brand {
  margin: 0;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
  font-family: "DM Sans", sans-serif;
}

.lang-switch {
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 999px;
  padding: 0.15rem;
  display: inline-flex;
  gap: 0.2rem;
}

.lang-btn {
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--text);
  font-family: "DM Sans", sans-serif;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  padding: 0.4rem 0.7rem;
  cursor: pointer;
  transition: 0.4s ease;
}

.lang-btn.is-active {
  background: var(--accent);
}

main {
  position: relative;
  z-index: 2;
}

.section {
  position: relative;
  padding: 6rem 5vw;
  min-height: 72vh;
}

.hero {
  padding-top: 8.5rem;
  display: grid;
  align-items: center;
}

.hero-body {
  max-width: 980px;
}

.eyebrow {
  margin: 0;
  font-family: "DM Sans", sans-serif;
  letter-spacing: 0.16em;
  font-size: 0.78rem;
}

.hero-title {
  margin: 1rem 0 1.25rem;
  font-family: "Playfair Display", serif;
  font-size: clamp(2.25rem, 11vw, 7rem);
  line-height: 0.94;
}

.hero-line {
  display: block;
  transform: rotate(-4deg);
  transform-origin: left center;
}

.hero-line--offset {
  margin-left: clamp(0.6rem, 7vw, 8rem);
  transform: rotate(2.8deg);
  font-size: clamp(1.2rem, 5vw, 3rem);
  font-family: "DM Sans", sans-serif;
  background: linear-gradient(to right, transparent 0%, transparent 2%, var(--accent) 2%, var(--accent) 100%);
  display: inline-block;
  padding-inline: 0.35em;
}

.hero-type {
  min-height: 1.8rem;
  margin: 0;
  font-family: "DM Sans", sans-serif;
  letter-spacing: 0.02em;
}

.hero-type::after {
  content: "";
  display: inline-block;
  width: 1px;
  height: 1.1em;
  margin-left: 0.2rem;
  background: var(--text);
  animation: blink 0.9s step-end infinite;
}

.hero-sub {
  margin-top: 1rem;
  max-width: 38ch;
  font-size: 0.98rem;
}

.scroll-indicator {
  position: absolute;
  right: 5vw;
  bottom: 3rem;
  text-decoration: none;
  color: var(--text);
  font-family: "DM Sans", sans-serif;
  letter-spacing: 0.16em;
  font-size: 0.7rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.5rem 0.9rem;
  background: #fff;
  transition: 0.4s ease;
}

.scroll-indicator:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.about {
  display: grid;
  place-items: start end;
}

.about-wrap {
  max-width: 700px;
  background: #fff;
  border: 1px solid var(--line);
  padding: clamp(1.5rem, 4vw, 3rem);
  transform: rotate(-0.8deg);
  box-shadow: var(--shadow);
}

.section-title {
  margin: 0;
  font-family: "DM Sans", sans-serif;
  font-size: clamp(1.1rem, 3vw, 1.5rem);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.about-main {
  margin-top: 1rem;
}

.about-note {
  margin: 1rem 0 0;
  font-family: "DM Sans", sans-serif;
  font-size: 0.9rem;
  padding-left: 0.9rem;
  border-left: 3px solid var(--accent);
}

.skills {
  display: grid;
  align-content: start;
  gap: 1.2rem;
}

.skills-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  max-width: 980px;
}

.pill {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.5rem 0.85rem;
  background: #fff;
  font-family: "DM Sans", sans-serif;
  font-size: 0.84rem;
  transition: 0.4s ease;
}

.pill:nth-child(odd) {
  transform: rotate(-1deg);
}

.pill:nth-child(even) {
  transform: rotate(1deg);
}

.pill:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: var(--accent);
}

.works {
  padding-bottom: 8rem;
}

.works-board {
  margin-top: 1.5rem;
  display: grid;
  gap: 1.25rem;
}

.work-card {
  background: #fff;
  border: 1px solid var(--line);
  padding: 1.4rem;
  box-shadow: var(--shadow);
  transition: 0.4s ease;
}

.card-a {
  transform: rotate(-1.6deg);
}

.card-b {
  transform: rotate(1.8deg);
}

.card-c {
  transform: rotate(-0.7deg);
}

.work-card h3 {
  margin: 0;
  font-family: "Playfair Display", serif;
  font-size: 1.5rem;
}

.work-card p {
  margin: 0.75rem 0 0;
}

.work-card .tags {
  font-family: "DM Sans", sans-serif;
  font-size: 0.82rem;
  color: #4e4e4e;
}

.work-card a {
  margin-top: 1rem;
  display: inline-block;
  color: var(--text);
  text-decoration: none;
  font-family: "DM Sans", sans-serif;
  border-bottom: 1px solid var(--accent);
}

.work-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 24px 44px rgba(26, 26, 26, 0.13);
}

.contact {
  display: grid;
  place-items: center start;
  padding-top: 3rem;
  min-height: 55vh;
}

.contact-wrap {
  max-width: 620px;
}

.contact-copy {
  margin-top: 1rem;
}

.contact-links {
  margin-top: 1.25rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.contact-links a {
  text-decoration: none;
  color: var(--text);
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 999px;
  padding: 0.5rem 0.95rem;
  font-family: "DM Sans", sans-serif;
  font-size: 0.86rem;
  transition: 0.4s ease;
}

.contact-links a:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: var(--accent);
}

.site-footer {
  position: relative;
  z-index: 3;
  border-top: 1px solid var(--line);
  padding: 1.2rem 5vw 1.8rem;
  font-family: "DM Sans", sans-serif;
  font-size: 0.8rem;
}

.reveal {
  opacity: 0;
  transform: translateY(34px);
  transition: 0.6s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.cursor {
  position: fixed;
  top: 0;
  left: 0;
  width: 18px;
  height: 18px;
  border: 1px solid rgba(26, 26, 26, 0.5);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  z-index: 40;
  transition: width 0.2s ease, height 0.2s ease, opacity 0.2s ease;
  opacity: 0;
}

@media (min-width: 900px) {
  .works-board {
    grid-template-columns: 1.1fr 0.95fr;
    gap: 1.5rem;
  }

  .card-c {
    grid-column: span 2;
    max-width: 76%;
    justify-self: end;
    margin-top: -0.8rem;
  }

  .about {
    padding-inline: 9vw;
  }

  .skills,
  .works,
  .contact {
    padding-inline: 9vw;
  }
}

@media (max-width: 640px) {
  .site-header {
    padding-inline: 4vw;
  }

  .section {
    padding: 5.5rem 4vw;
  }

  .hero-line--offset {
    margin-left: 0.8rem;
  }

  .scroll-indicator {
    right: 4vw;
    bottom: 2rem;
  }

  .work-card {
    transform: rotate(0deg) !important;
  }
}

@media (hover: hover) and (pointer: fine) {
  body {
    cursor: none;
  }
}

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

  .reveal {
    opacity: 1;
    transform: none;
  }

  .hero-type::after {
    display: none;
  }
}

@keyframes blink {
  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0;
  }
}