:root {
  color-scheme: light;
  --ink: #171b1c;
  --muted: #566164;
  --subtle: #748184;
  --paper: #f4f7f4;
  --surface: #ffffff;
  --line: rgba(31, 55, 58, 0.16);
  --accent: #2f6f73;
  --accent-soft: #dcebe7;
  --shadow: 0 24px 80px rgba(24, 44, 48, 0.16);
  --max: 1160px;
  font-family: Inter, "Noto Sans JP", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(circle at 82% 8%, rgba(47, 111, 115, 0.14), transparent 28rem),
    linear-gradient(180deg, #ffffff 0%, var(--paper) 48%, #e9efed 100%);
  color: var(--ink);
  letter-spacing: 0;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  background-image:
    linear-gradient(rgba(23, 19, 15, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(23, 19, 15, 0.03) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.75), transparent 76%);
}

a {
  color: inherit;
  text-decoration: none;
}

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

.site-header {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: min(calc(100% - 32px), var(--max));
  min-height: 72px;
  margin: 18px auto 0;
  padding: 12px 14px 12px 18px;
  border: 1px solid rgba(255, 255, 255, 0.62);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.76);
  box-shadow: 0 14px 44px rgba(24, 44, 48, 0.08);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  min-width: 0;
  font-weight: 700;
}

.brand__mark {
  width: 42px;
  height: 42px;
  object-fit: contain;
}

.brand__name {
  white-space: nowrap;
}

.site-nav {
  display: flex;
  gap: 4px;
  color: var(--muted);
  font-size: 0.9rem;
}

.site-nav a {
  border-radius: 999px;
  padding: 9px 13px;
  transition:
    background-color 180ms ease,
    color 180ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  background: rgba(47, 111, 115, 0.1);
  color: var(--accent);
  outline: none;
}

main {
  overflow: hidden;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.72fr);
  align-items: center;
  gap: clamp(28px, 6vw, 92px);
  min-height: 100svh;
  width: min(calc(100% - 48px), var(--max));
  margin: 0 auto;
  padding: 132px 0 64px;
}

.hero__copy {
  max-width: 720px;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  line-height: 1.04;
  letter-spacing: 0;
}

h1 {
  font-size: clamp(4.2rem, 13vw, 10.7rem);
}

.hero-title {
  display: flex;
  flex-wrap: wrap;
  column-gap: 0.16em;
  row-gap: 0.02em;
  max-width: 5.2em;
}

.hero-title span {
  white-space: nowrap;
}

h2 {
  font-size: clamp(2.3rem, 6vw, 5.8rem);
}

.hero__lead {
  max-width: 680px;
  margin: 30px 0 0;
  color: var(--muted);
  font-size: clamp(1.15rem, 2.2vw, 1.55rem);
  line-height: 1.85;
}

.hero__note {
  max-width: 560px;
  margin: 20px 0 0;
  color: var(--subtle);
  font-size: 0.98rem;
  line-height: 1.9;
}

.hero__actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 36px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0 22px;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    background-color 180ms ease;
}

.button:hover,
.button:focus-visible {
  background: #245b5f;
  box-shadow: 0 16px 34px rgba(47, 111, 115, 0.24);
  outline: none;
  transform: translateY(-2px);
}

.button--dark {
  background: var(--ink);
}

.button--dark:hover,
.button--dark:focus-visible {
  background: #2c241e;
}

.text-link {
  color: var(--muted);
  font-weight: 700;
  transition: color 180ms ease;
}

.text-link:hover,
.text-link:focus-visible {
  color: var(--accent);
  outline: none;
}

.hero__visual {
  position: relative;
  min-height: clamp(420px, 64vw, 690px);
}

.hero__visual::before {
  position: absolute;
  inset: 7% -8% 3% 20%;
  content: "";
  border: 1px solid rgba(47, 111, 115, 0.16);
  border-radius: 32px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(220, 235, 231, 0.58)),
    repeating-linear-gradient(0deg, transparent 0 22px, rgba(47, 111, 115, 0.06) 23px);
  box-shadow: var(--shadow);
}

.avatar {
  position: absolute;
  right: 0;
  bottom: 0;
  width: min(92vw, 530px);
  max-height: min(78svh, 720px);
  object-fit: contain;
  filter: drop-shadow(0 28px 40px rgba(24, 44, 48, 0.2));
  transform: translate3d(var(--avatar-x, 0), var(--avatar-y, 0), 0);
  transition: transform 220ms ease-out;
}

.section {
  display: grid;
  grid-template-columns: minmax(220px, 0.58fr) minmax(0, 1fr);
  gap: clamp(28px, 6vw, 84px);
  width: min(calc(100% - 48px), var(--max));
  margin: 0 auto;
  padding: clamp(82px, 12vw, 142px) 0;
  border-top: 1px solid var(--line);
}

.section__heading {
  align-self: start;
}

.profile__body {
  display: grid;
  gap: 24px;
  max-width: 780px;
  color: var(--muted);
  font-size: clamp(1.02rem, 1.5vw, 1.18rem);
  line-height: 2;
}

.profile__body p {
  margin: 0;
}

.work-list,
.interest-list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.work-list li,
.interest-list li {
  display: grid;
  grid-template-columns: 56px minmax(0, 0.45fr) minmax(0, 1fr);
  gap: 24px;
  padding: 28px 0;
  border-top: 1px solid var(--line);
}

.work-list li:first-child,
.interest-list li:first-child {
  border-top: 0;
  padding-top: 0;
}

.work-list span,
.interest-list span {
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
}

.work-list strong,
.interest-list strong {
  font-size: clamp(1.1rem, 2vw, 1.45rem);
}

.work-list p,
.interest-list p {
  margin: 0;
  color: var(--muted);
  line-height: 1.9;
}

.contact {
  align-items: center;
  width: 100%;
  max-width: none;
  margin-bottom: 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: clamp(56px, 8vw, 92px) max(24px, calc((100vw - var(--max)) / 2));
  background: rgba(255, 255, 255, 0.68);
}

.contact p {
  margin: 0;
  color: var(--muted);
  line-height: 1.9;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  width: min(calc(100% - 48px), var(--max));
  margin: 0 auto;
  padding: 22px 0 38px;
  color: var(--subtle);
  font-size: 0.9rem;
}

.site-footer p {
  margin: 0;
}

body.is-enhanced .reveal {
  opacity: 0;
  transform: translateY(22px);
  transition:
    opacity 720ms ease,
    transform 720ms ease;
}

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

@media (max-width: 860px) {
  .site-header {
    min-height: 62px;
    margin-top: 12px;
  }

  .site-nav {
    display: none;
  }

  .hero {
    grid-template-columns: 1fr;
    gap: 12px;
    padding-top: 112px;
  }

  .hero__visual {
    grid-row: 1;
    min-height: 330px;
  }

  .hero__copy {
    grid-row: 2;
  }

  .hero__visual::before {
    inset: 6% 8% 8% 8%;
  }

  .avatar {
    right: 50%;
    width: min(72vw, 350px);
    max-height: 350px;
    transform: translate3d(calc(50% + var(--avatar-x, 0px)), var(--avatar-y, 0), 0);
  }

  .section,
  .contact {
    grid-template-columns: 1fr;
  }

  .work-list li,
  .interest-list li {
    grid-template-columns: 42px 1fr;
  }

  .work-list p,
  .interest-list p {
    grid-column: 2;
  }
}

@media (max-width: 560px) {
  .site-header,
  .hero,
  .section,
  .site-footer {
    width: min(calc(100% - 28px), var(--max));
  }

  .brand__name {
    font-size: 0.96rem;
  }

  .hero {
    min-height: auto;
    padding-bottom: 56px;
  }

  h1 {
    font-size: clamp(3.25rem, 18vw, 4.7rem);
  }

  .hero__lead {
    margin-top: 22px;
  }

  .hero__actions,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .contact {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 1ms !important;
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
  }
}