* {
  box-sizing: border-box;
}

:root {
  color-scheme: light dark;
  --bg: #f4f6fb;
  --card: rgba(255, 255, 255, 0.86);
  --card-strong: rgba(255, 255, 255, 0.95);
  --text: #121620;
  --muted: #4a5263;
  --line: rgba(14, 22, 34, 0.2);
  --focus: #0a63ff;
  --shadow: 0 6px 18px rgba(20, 27, 42, 0.07);
  --button-bg: #ffffff;
  --button-hover-bg: color-mix(in srgb, var(--card-strong) 90%, black 10%);
  --outer-radius: 24px;
  --panel-padding: 14px;
  --inner-radius: calc(var(--outer-radius) - var(--panel-padding));
  --page-width: 1200px;
  --page-gutter: 24px;
  --sidebar-gap: 12px;
  --gap: 24px;
  --tint-rgb: 128, 128, 128;
  --bg-tint-top: color-mix(in srgb, rgb(var(--tint-rgb)) 6.5%, #f4f6fb 93.5%);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1116;
    --card: rgba(24, 29, 39, 0.78);
    --card-strong: rgba(25, 30, 40, 0.9);
    --text: #f2f5fa;
    --muted: #c8d1e3;
    --line: rgba(199, 210, 228, 0.28);
    --focus: #72a9ff;
    --shadow: 0 10px 24px rgba(0, 0, 0, 0.26);
    --button-bg: color-mix(in srgb, var(--card-strong) 88%, black 12%);
    --button-hover-bg: color-mix(in srgb, var(--card-strong) 80%, white 20%);
    --bg-tint-top: color-mix(in srgb, rgb(var(--tint-rgb)) 6.5%, #0f1116 93.5%);
  }
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  font-family: "Plus Jakarta Sans", "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  color: var(--text);
  background-color: var(--bg);
  background:
    linear-gradient(180deg, var(--bg-tint-top) 0%, rgba(var(--tint-rgb), 0.02) 22%, rgba(var(--tint-rgb), 0.01) 100%),
    var(--bg);
  line-height: 1.5;
  position: relative;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 12px;
  z-index: 100;
  background: var(--card-strong);
  color: var(--text);
  border: 2px solid var(--focus);
  border-radius: 10px;
  padding: 10px 12px;
  text-decoration: none;
}

.skip-link:focus-visible {
  left: 12px;
  top: 10px;
}

.layout {
  width: min(var(--page-width), calc(100% - var(--page-gutter)));
  margin: 18px auto 44px;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(260px, 320px) minmax(0, 1fr);
  gap: var(--gap);
}

.profile {
  position: sticky;
  top: 18px;
  height: fit-content;
  display: grid;
  gap: var(--sidebar-gap);
}

.profile-inner,
.grid-wrapper {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--outer-radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.profile-inner {
  padding: 18px;
}

.lang-panel {
  padding: 10px;
  border-radius: var(--outer-radius);
  border: 1px solid var(--line);
  background: var(--card);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.panel-heading {
  margin: 0 6px 8px;
  font-size: 0.82rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--muted);
}

.lang-switch {
  display: flex;
  gap: 6px;
}

.lang-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  min-width: 96px;
  flex: 1;
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: calc(var(--outer-radius) - 6px);
  background: var(--card-strong);
  color: var(--text);
  font: inherit;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  cursor: pointer;
  text-decoration: none;
}

.lang-btn.is-active {
  border-color: var(--focus);
  box-shadow: 0 0 0 1px var(--focus) inset;
}

.profile img {
  width: 96px;
  height: 96px;
  border-radius: 20px;
  object-fit: cover;
}

.eyebrow {
  margin: 14px 0 8px;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

h1 {
  margin: 0;
  font-family: "Plus Jakarta Sans", sans-serif;
  font-size: clamp(1.35rem, 2.1vw, 1.85rem);
  line-height: 1.08;
}

.bio {
  margin: 10px 0 0;
  color: var(--muted);
}

.grid-wrapper {
  padding: var(--panel-padding);
  padding-bottom: calc(var(--panel-padding) + 12px);
}

.section + .section {
  margin-top: 24px;
}

.section h2 {
  margin: 0 4px 12px;
  font-size: 0.86rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(180px, 100%), 1fr));
  gap: 12px;
}

.tile,
.project-card {
  --border: hsl(var(--hue) 72% 58% / 0.44);
  --hover: hsl(var(--hue) 78% 54% / 0.12);
  --shine: hsl(var(--hue) 85% 58% / 0.94);

  border: 1px solid var(--border);
  text-decoration: none;
  color: var(--text);
  border-radius: var(--inner-radius);
  transition: transform 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
  position: relative;
  overflow: hidden;
  background: linear-gradient(160deg, var(--card-strong), var(--card));
}

.tile {
  min-height: 134px;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.tile::after,
.project-card::after {
  content: "";
  position: absolute;
  inset: auto -32% -56% auto;
  width: 150px;
  height: 150px;
  border-radius: 999px;
  opacity: 0.16;
  pointer-events: none;
  background: radial-gradient(circle at center, var(--shine), rgba(255, 255, 255, 0) 65%);
}

.social-logo {
  width: 36px;
  height: 36px;
  padding: 8px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--card-strong) 84%, white 16%);
  border-radius: 10px;
  display: block;
  object-fit: contain;
  box-sizing: border-box;
}

.social-logo-fallback {
  display: grid;
  place-items: center;
  font-size: 0.72rem;
  font-weight: 700;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--card-strong) 82%, white 18%);
}

@media (prefers-color-scheme: dark) {
  .social-logo {
    background: #000000;
  }
}

.title {
  font-family: "Plus Jakarta Sans", sans-serif;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.24;
}

.meta {
  margin-top: auto;
  font-size: 0.85rem;
  color: var(--muted);
}

.tile .meta {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.social-grid .tile {
  min-height: 104px;
  justify-content: flex-start;
}

.social-grid .meta {
  margin-top: 2px;
  -webkit-line-clamp: 1;
}

.article-tile {
  min-height: 148px;
}

.article-tile .meta {
  margin-top: 4px;
  -webkit-line-clamp: 3;
}

.article-foot {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.74rem;
  color: var(--muted);
}

.article-date {
  white-space: nowrap;
}

.article-host {
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.article-kind {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 3px 8px;
  background: color-mix(in srgb, var(--card-strong) 82%, white 18%);
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(300px, 100%), 1fr));
  gap: 12px;
}

.project-card {
  min-height: 188px;
  padding: 14px;
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 12px;
}

.project-icon {
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--text);
  background: color-mix(in srgb, var(--card-strong) 70%, white 30%);
  border: 1px solid var(--line);
}

.project-icon-image {
  background: transparent;
  border: none;
  padding: 0;
}

.project-icon-image img {
  width: 56px;
  height: 56px;
  object-fit: cover;
  border-radius: var(--inner-radius);
  display: block;
}

.project-icon-image .icon-dark {
  display: none;
}

.project-icon-image .icon-light {
  display: block;
}

@media (prefers-color-scheme: dark) {
  .project-icon-image .icon-light {
    display: none;
  }

  .project-icon-image .icon-dark {
    display: block;
  }
}

.project-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
  min-width: 0;
}

.project-copy .meta {
  margin-top: 0;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 4px;
}

.tag {
  font-size: 0.72rem;
  border-radius: 999px;
  padding: 5px 9px;
  line-height: 1.2;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--card-strong) 82%, white 18%);
  color: var(--text);
}

.app-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
  padding-top: 10px;
  border-top: 1px solid var(--line);
  width: 100%;
}

.app-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 8px 12px;
  border-radius: calc(var(--outer-radius) - 6px);
  border: 1px solid var(--line);
  background: var(--button-bg);
  color: var(--text);
  text-decoration: none;
  font-size: 0.78rem;
  font-weight: 600;
}

.app-link:hover,
.app-link:focus-visible {
  background: var(--button-hover-bg);
}

.tile:hover,
.tile:focus-visible,
.project-card:hover,
.project-card:focus-within {
  transform: translateY(-2px);
  background-color: var(--hover);
  border-color: hsl(var(--hue) 70% 52% / 0.55);
  outline: none;
}

.lang-btn:hover,
.lang-btn:focus-visible {
  transform: translateY(-1px);
  outline: none;
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

@media (max-width: 1024px) {
  .layout {
    grid-template-columns: 1fr;
    width: min(var(--page-width), calc(100% - var(--page-gutter)));
    margin: 20px auto 44px;
    padding: 0;
    gap: var(--gap);
  }

  .profile {
    position: static;
  }

  .profile-inner,
  .grid-wrapper,
  .lang-panel {
    --outer-radius: 22px;
    --panel-padding: 12px;
    --inner-radius: calc(var(--outer-radius) - var(--panel-padding));
    border-radius: var(--outer-radius);
    padding: 12px;
  }

  .section + .section {
    margin-top: 28px;
  }

  .tile {
    padding: 12px;
  }

  .title {
    font-size: 0.94rem;
  }

  .meta {
    font-size: 0.78rem;
  }
}

@media (max-width: 480px) {
  :root {
    --page-gutter: 20px;
  }

  .layout {
    width: min(var(--page-width), calc(100% - var(--page-gutter)));
    margin: 22px auto 60px;
  }

  .project-card {
    grid-template-columns: 48px 1fr;
    min-height: 170px;
  }

  .project-icon {
    width: 48px;
    height: 48px;
  }

  .app-link {
    min-height: 34px;
    font-size: 0.74rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
  }
}

@media (prefers-contrast: more) {
  :root {
    --line: rgba(14, 22, 34, 0.7);
    --focus: #0050d8;
  }

  .tile,
  .project-card,
  .lang-btn,
  .app-link,
  .lang-panel,
  .profile-inner,
  .grid-wrapper {
    background: var(--card-strong);
    box-shadow: none;
  }
}

@media (prefers-contrast: more) and (prefers-color-scheme: dark) {
  :root {
    --line: rgba(241, 245, 255, 0.75);
    --focus: #99c0ff;
  }
}

@media (forced-colors: active) {
  .tile,
  .project-card,
  .lang-btn,
  .app-link,
  .lang-panel,
  .profile-inner,
  .grid-wrapper,
  .skip-link {
    forced-color-adjust: auto;
    border: 1px solid CanvasText;
  }
}