:root {
  --bg: #07110f;
  --bg-rgb: 7 17 15;
  --panel: #0b1714;
  --panel-rgb: 11 23 20;
  --panel-2: #10211d;
  --panel-2-rgb: 16 33 29;
  --text: #d9f7ea;
  --muted: #86a99c;
  --line: #24443a;
  --line-rgb: 36 68 58;
  --accent: #71f6bd;
  --accent-rgb: 113 246 189;
  --accent-2: #7dd3fc;
  --accent-2-rgb: 125 211 252;
  --accent-contrast: #032017;
  --warning: #f6c177;
  --danger: #ff8a8a;
  --shadow: 0 20px 70px rgba(0, 0, 0, 0.35);
  --hover-shadow: 0 26px 80px rgba(0, 0, 0, 0.45);
  --body-glow-primary: rgb(var(--accent-rgb) / 0.10);
  --body-glow-secondary: rgb(var(--accent-2-rgb) / 0.07);
  --crt-opacity: 0.4;
  --crt-line: rgb(0 0 0 / 0.5);
  --crt-vignette: rgb(0 0 0 / 0.5);
  --crt-text-shadow: 0 0 14px rgb(var(--accent-rgb) / 0.22);
  --link-underline: rgb(var(--accent-rgb) / 0.45);
  --header-bg: rgb(var(--bg-rgb) / 0.86);
  --strip-bg: rgb(var(--panel-rgb) / 0.75);
  --card-bg: linear-gradient(145deg, rgb(var(--panel-2-rgb) / 0.9), rgb(8 19 16 / 0.92));
  --card-glow: radial-gradient(circle, rgb(var(--accent-rgb) / 0.13), transparent 65%);
  --chip-bg: rgb(var(--bg-rgb) / 0.55);
  --tab-bg: rgb(var(--panel-rgb) / 0.55);
  --sticky-bg: rgb(var(--bg-rgb) / 0.92);
  --focus-ring: rgb(var(--accent-rgb) / 0.10);
  --subtle-line: rgb(var(--line-rgb) / 0.5);
  --filter-bg: rgb(var(--panel-rgb) / 0.72);
  --pet-shadow: drop-shadow(0 5px 5px rgba(0, 0, 0, 0.45));
  --char-stage-bg: linear-gradient(160deg, rgb(var(--panel-2-rgb) / 0.9), rgb(8 19 16 / 0.92));
  --radius: 14px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Noto Sans Mono", monospace;
  color-scheme: dark;
}

html[data-theme="light"] {
  --bg: #f7faf6;
  --bg-rgb: 247 250 246;
  --panel: #ffffff;
  --panel-rgb: 255 255 255;
  --panel-2: #ecf5ef;
  --panel-2-rgb: 236 245 239;
  --text: #14201b;
  --muted: #5b7168;
  --line: #bfd0c7;
  --line-rgb: 191 208 199;
  --accent: #087a53;
  --accent-rgb: 8 122 83;
  --accent-2: #186683;
  --accent-2-rgb: 24 102 131;
  --accent-contrast: #f4fff9;
  --warning: #9b5f00;
  --danger: #b32632;
  --shadow: 0 20px 55px rgb(25 50 38 / 0.14);
  --hover-shadow: 0 22px 60px rgb(25 50 38 / 0.20);
  --body-glow-primary: rgb(var(--accent-rgb) / 0.08);
  --body-glow-secondary: rgb(var(--accent-2-rgb) / 0.06);
  --crt-opacity: 0.10;
  --crt-line: rgb(20 32 27 / 0.18);
  --crt-vignette: rgb(20 32 27 / 0.06);
  --crt-text-shadow: none;
  --link-underline: rgb(var(--accent-rgb) / 0.38);
  --header-bg: rgb(255 255 255 / 0.86);
  --strip-bg: rgb(255 255 255 / 0.78);
  --card-bg: linear-gradient(145deg, rgb(255 255 255 / 0.96), rgb(var(--panel-2-rgb) / 0.92));
  --card-glow: radial-gradient(circle, rgb(var(--accent-rgb) / 0.09), transparent 65%);
  --chip-bg: rgb(var(--panel-2-rgb) / 0.74);
  --tab-bg: rgb(255 255 255 / 0.68);
  --sticky-bg: rgb(var(--bg-rgb) / 0.92);
  --focus-ring: rgb(var(--accent-rgb) / 0.16);
  --subtle-line: rgb(var(--line-rgb) / 0.58);
  --filter-bg: rgb(255 255 255 / 0.78);
  --pet-shadow: drop-shadow(0 5px 5px rgb(25 50 38 / 0.22));
  --char-stage-bg: linear-gradient(160deg, rgb(255 255 255 / 0.96), rgb(var(--panel-2-rgb) / 0.92));
  color-scheme: light;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 18% -10%, var(--body-glow-primary), transparent 34rem),
    radial-gradient(circle at 90% 18%, var(--body-glow-secondary), transparent 28rem),
    var(--bg);
  color: var(--text);
  line-height: 1.65;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 999;
  opacity: var(--crt-opacity);
  background:
    repeating-linear-gradient(to bottom, rgb(0 0 0 / 0) 0, rgb(0 0 0 / 0) 2px, var(--crt-line) 3px),
    radial-gradient(125% 125% at 50% 50%, transparent 58%, var(--crt-vignette) 100%);
  mix-blend-mode: multiply;
  animation: crt-flicker 5s steps(40) infinite;
}
body.crt-off::before { display: none; }
body.crt:not(.crt-off) { text-shadow: var(--crt-text-shadow); }

@keyframes crt-flicker {
  0%, 100% { opacity: 0.4; }
  45% { opacity: 0.33; }
  50% { opacity: 0.42; }
  85% { opacity: 0.36; }
}

a { color: inherit; text-decoration-color: var(--link-underline); text-underline-offset: 0.2em; }
a:hover { color: var(--accent); }
button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
::selection { background: var(--accent); color: var(--accent-contrast); }

.shell { width: min(1120px, calc(100% - 32px)); margin-inline: auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgb(var(--line-rgb) / 0.85);
  background: var(--header-bg);
  backdrop-filter: blur(18px);
}
.nav-shell { min-height: 64px; display: flex; align-items: center; gap: 24px; }
.brand { font-weight: 800; text-decoration: none; white-space: nowrap; }
.prompt { color: var(--accent); font-weight: 800; margin-right: 0.45rem; }
nav { display: flex; gap: 20px; margin-left: auto; }
.nav-link { color: var(--muted); text-decoration: none; font-size: 0.9rem; white-space: nowrap; }
.nav-link.active, .nav-link:hover { color: var(--text); }
.ghost-button, .text-button {
  border: 0;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  padding: 6px 0;
}
.ghost-button:hover, .text-button:hover { color: var(--accent); }

.hero { padding: 72px 0 64px; }
.eyebrow { display: inline-flex; align-items: center; gap: 9px; color: var(--muted); font-size: 0.85rem; letter-spacing: 0.04em; }
.status-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 16px var(--accent); display: inline-block; }
.status-dot.pulse { animation: pulse 1.4s infinite; }
@keyframes pulse { 50% { opacity: 0.35; transform: scale(0.84); } }
.terminal-line { color: var(--muted); margin: 26px 0 8px; font-size: 0.9rem; }
h1, h2, h3 { line-height: 1.14; letter-spacing: -0.035em; }
h1 { font-size: clamp(3rem, 9vw, 7.4rem); margin: 0; max-width: 13ch; }
.headline { font-size: clamp(1.2rem, 3vw, 1.9rem); color: var(--accent-2); margin: 22px 0 0; max-width: 36ch; }
.lede { color: var(--muted); font-size: 1.05rem; max-width: 70ch; margin: 24px 0 0; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.primary-button, .secondary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border-radius: 8px;
  padding: 0 16px;
  text-decoration: none;
  font-weight: 750;
  border: 1px solid var(--accent);
  cursor: pointer;
}
.primary-button { background: var(--accent); color: var(--accent-contrast); }
.primary-button:hover { color: var(--accent-contrast); filter: brightness(1.07); }
.secondary-button { background: transparent; color: var(--accent); }
.status-strip {
  margin: 58px 0 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.status-strip div { padding: 16px 18px; background: var(--strip-bg); border-right: 1px solid var(--line); }
.status-strip div:last-child { border-right: 0; }
.status-strip dt { color: var(--muted); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.08em; }
.status-strip dd { margin: 3px 0 0; font-size: 0.92rem; }

.section { padding: 82px 0; border-top: 1px solid rgb(var(--line-rgb) / 0.7); }
.section-heading { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 40px; align-items: end; margin-bottom: 28px; }
.section-heading h2, .split-section h2, .radar-callout h2 { margin: 0; font-size: clamp(2rem, 5vw, 3.7rem); }
.section-heading > p { color: var(--muted); margin: 0; }
.project-grid { display: grid; gap: 16px; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.project-card {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card-bg);
  box-shadow: var(--shadow);
  padding: 26px;
  overflow: hidden;
}
.project-card::after { content: ""; position: absolute; inset: auto -20% -55% 30%; height: 180px; background: var(--card-glow); pointer-events: none; }
.project-card h3 { margin: 16px 0 10px; font-size: 1.45rem; }
.project-card h3 a { text-decoration: none; }
.project-card p { color: var(--muted); }
.card-topline { display: flex; justify-content: space-between; color: var(--accent); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.1em; }
.highlight-list { padding-left: 1.2rem; color: var(--text); font-size: 0.9rem; }
.highlight-list li { margin: 7px 0; }
.chip-row { display: flex; flex-wrap: wrap; gap: 7px; }
.chip { border: 1px solid var(--line); border-radius: 999px; color: var(--muted); padding: 3px 9px; font-size: 0.72rem; background: var(--chip-bg); }
.link-chip { text-decoration: none; }
.link-chip:hover { border-color: var(--accent); }
.card-links { display: flex; gap: 18px; margin-top: 24px; font-size: 0.86rem; }
.split-section { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 54px; }
.skill-groups { display: grid; gap: 0; }
.skill-group { border-top: 1px solid var(--line); padding: 18px 0; }
.skill-group:first-child { border-top: 0; }
.skill-group h3 { margin: 0 0 5px; color: var(--accent); font-size: 0.9rem; }
.skill-group p { margin: 0; color: var(--muted); }
.radar-callout { display: flex; justify-content: space-between; align-items: end; gap: 48px; }
.radar-callout > div { max-width: 780px; }
.radar-callout p:last-child { color: var(--muted); }

.inbox-shell { padding: 36px 0 96px; --radar-stick: 190px; }
.radar-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin: 26px 0 0; }
.radar-tab {
  text-decoration: none;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 16px;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  background: var(--tab-bg);
  transition: color 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}
.radar-tab:hover { color: var(--text); border-color: var(--accent); }
.radar-tab.active { color: var(--bg); background: var(--accent); border-color: var(--accent); font-weight: 700; }
.inbox-header { display: flex; justify-content: space-between; align-items: end; gap: 24px; }
.inbox-header h1 { font-size: clamp(1.6rem, 5vw, 3.6rem); max-width: none; white-space: nowrap; }
.inbox-header p { color: var(--muted); }
.runtime-panel { display: flex; gap: 9px; align-items: center; border: 1px solid var(--line); border-radius: 999px; padding: 8px 13px; color: var(--muted); white-space: nowrap; }
.search-form {
  position: sticky;
  top: 64px;
  z-index: 15;
  margin: 0 0 22px;
  padding: 12px 0;
  background: var(--sticky-bg);
  backdrop-filter: blur(18px);
}
.search-form > label { display: block; color: var(--muted); font-size: 0.78rem; margin-bottom: 7px; }
.search-row { display: grid; grid-template-columns: auto 1fr auto; align-items: center; border: 1px solid var(--line); border-radius: 10px; background: var(--panel); padding: 7px; box-shadow: var(--shadow); }
.search-prompt { color: var(--accent); font-weight: 800; padding: 0 10px; }
.search-row input, .unlock-card input {
  min-width: 0;
  width: 100%;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--text);
  padding: 12px 6px;
}
.search-row:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px var(--focus-ring); }
.search-box { position: relative; }
.suggest {
  position: absolute;
  z-index: 25;
  top: calc(100% + 6px);
  left: 0;
  right: 0;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--panel);
  box-shadow: var(--shadow);
  max-height: 60vh;
  overflow-y: auto;
}
.suggest[hidden] { display: none; }
.suggest-item {
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding: 9px 12px;
  cursor: pointer;
  border-top: 1px solid var(--subtle-line);
}
.suggest-item:first-child { border-top: 0; }
.suggest-item.active, .suggest-item:hover { background: var(--panel-2); }
.suggest-kind { flex: 0 0 3.4rem; color: var(--muted); font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.06em; }
.suggest-label { color: var(--text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.inbox-layout { display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: 28px; align-items: start; }
.filter-panel { position: sticky; top: var(--radar-stick); max-height: calc(100vh - var(--radar-stick) - 20px); overflow: auto; border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; background: var(--filter-bg); }
.filter-section + .filter-section { margin-top: 24px; }
.filter-section h2 { margin: 0 0 8px; color: var(--muted); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.08em; }
.filter-link { display: flex; justify-content: space-between; gap: 10px; text-decoration: none; color: var(--muted); padding: 6px 8px; border-radius: 6px; font-size: 0.82rem; }
.filter-link:hover, .filter-link.active { color: var(--text); background: var(--panel-2); }
.filter-link b { font-weight: 500; color: var(--accent); }
.saved-tools { display: flex; gap: 6px; margin-top: 8px; }
.filter-action { border: 1px solid var(--line); border-radius: 6px; background: transparent; color: var(--muted); padding: 5px 8px; font: inherit; font-size: 0.78rem; cursor: pointer; }
.filter-action:hover { color: var(--text); border-color: var(--accent); }
.filter-action:disabled { opacity: 0.45; cursor: not-allowed; }
.import-action { position: relative; overflow: hidden; }
.saved-file-input { position: absolute; inset: 0; opacity: 0; pointer-events: none; }
/* Filters are a plain sidebar on desktop; the disclosure summary only appears
   on small screens (see the max-width media query), where it collapses. */
.filter-disclosure { border: 0; }
.filter-summary { display: none; }
.radar-host { color: var(--accent); text-transform: none; letter-spacing: 0; }
.results-topline { display: flex; justify-content: space-between; color: var(--muted); font-size: 0.82rem; margin-bottom: 10px; }
.radar-card { border-top: 1px solid var(--line); padding: 24px 2px; min-width: 0; }
.radar-card:first-of-type { border-top: 0; }
.radar-card.keyboard-active { outline: 2px solid var(--accent); outline-offset: 6px; }
.radar-card h2 { margin: 8px 0 10px; font-size: clamp(1.25rem, 3vw, 1.75rem); overflow-wrap: anywhere; word-break: break-word; }
.radar-card h2 a { text-decoration: none; }
.radar-thumb { display: block; width: min(240px, 100%); aspect-ratio: 16 / 9; object-fit: cover; border: 1px solid var(--line); border-radius: var(--radius); margin: 0 0 14px; background: var(--panel); }
.radar-card > p { color: var(--muted); margin: 0 0 16px; overflow-wrap: anywhere; word-break: break-word; }
.radar-meta { display: flex; flex-wrap: wrap; gap: 8px 16px; color: var(--accent-2); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.05em; min-width: 0; overflow-wrap: anywhere; }
.radar-footer { display: flex; justify-content: space-between; align-items: end; gap: 18px; color: var(--muted); font-size: 0.76rem; }
.empty-state { border: 1px dashed var(--line); border-radius: var(--radius); padding: 42px; text-align: center; }
kbd { border: 1px solid var(--line); border-bottom-width: 2px; border-radius: 4px; padding: 1px 5px; color: var(--text); background: var(--panel); }

.unlock-shell { min-height: calc(100vh - 130px); display: grid; place-items: center; padding: 60px 0; }
.unlock-card { width: min(520px, 100%); border: 1px solid var(--line); border-radius: var(--radius); padding: 32px; background: var(--panel); box-shadow: var(--shadow); }
.unlock-card h1 { font-size: 2.7rem; }
.unlock-card > p { color: var(--muted); }
.unlock-card form { display: grid; gap: 12px; margin-top: 24px; }
.unlock-card label { color: var(--muted); font-size: 0.8rem; }
.unlock-card input { border: 1px solid var(--line); border-radius: 8px; padding: 13px; }
.unlock-card input:focus { border-color: var(--accent); outline: 3px solid var(--focus-ring); }
.form-error { color: var(--danger) !important; }

.site-footer { border-top: 1px solid var(--line); color: var(--muted); font-size: 0.76rem; }
.footer-grid { min-height: 92px; display: flex; justify-content: space-between; align-items: center; gap: 20px; }

@media (max-width: 820px) {
  .nav-shell { gap: 14px; }
  nav { gap: 12px; overflow-x: auto; }
  .crt-toggle { display: none; }
  .status-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .status-strip div:nth-child(2) { border-right: 0; }
  .status-strip div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .section-heading, .split-section { grid-template-columns: 1fr; gap: 18px; }
  .project-grid { grid-template-columns: 1fr; }
  .radar-callout, .inbox-header { align-items: start; flex-direction: column; }
  .inbox-layout { grid-template-columns: 1fr; }
  .filter-panel { position: static; max-height: none; overflow: visible; padding: 0; border: 0; background: transparent; }
  .filter-disclosure { border: 1px solid var(--line); border-radius: var(--radius); background: var(--filter-bg); }
  .filter-summary { display: flex; justify-content: space-between; align-items: center; gap: 10px; cursor: pointer; list-style: none; padding: 12px 14px; color: var(--text); font-size: 0.85rem; }
  .filter-summary::-webkit-details-marker { display: none; }
  .filter-summary::after { content: "▸"; color: var(--muted); transition: transform 0.15s ease; }
  .filter-disclosure[open] .filter-summary::after { transform: rotate(90deg); }
  .filter-summary-hint { color: var(--muted); font-size: 0.72rem; }
  .filter-groups { padding: 0 14px 14px; }
  .filter-section + .filter-section { margin-top: 16px; }
}

@media (max-width: 560px) {
  .shell { width: min(100% - 22px, 1120px); }
  .site-header nav .nav-link:nth-child(n+4) { display: none; }
  .theme-toggle { font-size: 0.78rem; }
  .hero { padding: 28px 0 28px; }
  .inbox-shell { padding-top: 22px; }
  .gallery-shell { padding-top: 22px; }
  .section { padding: 40px 0; }
  .status-strip { grid-template-columns: 1fr; }
  .status-strip div { border-right: 0; border-bottom: 1px solid var(--line); }
  .status-strip div:last-child { border-bottom: 0; }
  .search-form { padding: 8px 0; }
  /* The label only repeats the placeholder on a phone, so hide it (the input
     keeps an aria-label for assistive tech) to save vertical space. */
  .search-form > label { display: none; }
  .search-row { grid-template-columns: auto 1fr; padding: 4px; }
  .search-row input { padding: 8px 6px; }
  /* Smaller placeholder without shrinking typed text below 16px (avoids the
     iOS focus zoom). */
  .search-row input::placeholder { font-size: 0.85rem; }
  .search-prompt { padding: 0 8px; }
  .search-row .primary-button { grid-column: 1 / -1; margin-top: 4px; min-height: 38px; padding: 0 12px; font-size: 0.88rem; font-weight: 650; }
  .radar-footer { align-items: start; flex-direction: column; }
  .footer-grid { align-items: start; flex-direction: column; justify-content: center; }
  .inbox-header h1 { white-space: normal; font-size: 1.5rem; }
  .inbox-header p { font-size: 0.82rem; }
  .runtime-panel { white-space: normal; font-size: 0.82rem; }
  .radar-tab { padding: 5px 13px; font-size: 0.78rem; }
  .radar-card { padding: 18px 2px; }
  .radar-card h2 { font-size: 1.08rem; }
  .radar-card > p { font-size: 0.9rem; }
}

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


.static-note {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 0.76rem;
}

.filter-section > div {
  display: grid;
  gap: 2px;
}

.hero-identity {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.profile-avatar {
  flex: 0 0 auto;
  width: 96px;
  height: 96px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  object-fit: cover;
  box-shadow: var(--shadow);
}

.result-hidden {
  display: none;
}

@media (max-width: 560px) {
  .profile-avatar {
    width: 72px;
    height: 72px;
  }
}

/* radar: save-for-later (localStorage only) */
.save-btn {
  margin-left: auto;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  border-radius: 999px;
  padding: 2px 10px;
  font: inherit;
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: color 0.15s ease, border-color 0.15s ease;
}
.save-btn:hover { color: var(--accent); border-color: var(--accent); }
.save-btn.saved { color: var(--warning); border-color: var(--warning); }
.radar-score { color: var(--accent); font-weight: 700; white-space: nowrap; cursor: help; }

/* 前方後円墳 pixel mascot */
.kofun-pet {
  position: fixed;
  left: 0;
  bottom: 10px;
  z-index: 30;
  width: 52px;
  height: 52px;
  color: #57c191;
  cursor: pointer;
  transform: translateX(28px);
  filter: var(--pet-shadow);
}
.kofun-pet:focus-visible { outline: 2px solid var(--accent); outline-offset: 5px; border-radius: 8px; }
.kofun-sprite { width: 100%; height: 100%; transform-origin: 50% 100%; }
.kofun-svg { display: block; width: 100%; height: 100%; }
.kofun-sprite.walking { animation: kofun-waddle 540ms ease-in-out infinite; }
.kofun-sprite.jump { animation: kofun-jump 620ms ease-out; }

@keyframes kofun-waddle {
  0%, 100% { transform: rotate(-5deg); }
  50% { transform: rotate(5deg); }
}
@keyframes kofun-jump {
  0% { transform: translateY(0) scale(1, 1); }
  18% { transform: translateY(0) scale(1.14, 0.82); }
  45% { transform: translateY(-26px) scale(0.92, 1.12); }
  72% { transform: translateY(0) scale(1.08, 0.9); }
  100% { transform: translateY(0) scale(1, 1); }
}
.kofun-spark {
  position: absolute;
  top: -6px;
  left: 50%;
  color: var(--accent);
  font-size: 0.85rem;
  pointer-events: none;
  animation: kofun-spark 900ms ease-out forwards;
}
@keyframes kofun-spark {
  0% { opacity: 0; transform: translate(-50%, 0) scale(0.6); }
  30% { opacity: 1; }
  100% { opacity: 0; transform: translate(-50%, -26px) scale(1); }
}

@media (max-width: 560px) {
  .kofun-pet { width: 44px; height: 44px; bottom: 8px; }
}

/* motion + micro-interactions */
@keyframes rise { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }

.hero > * { animation: rise 0.6s both; }
.hero > *:nth-child(1) { animation-delay: 0.04s; }
.hero > *:nth-child(2) { animation-delay: 0.10s; }
.hero > *:nth-child(3) { animation-delay: 0.16s; }
.hero > *:nth-child(4) { animation-delay: 0.22s; }
.hero > *:nth-child(5) { animation-delay: 0.28s; }
.hero > *:nth-child(6) { animation-delay: 0.34s; }
.hero > *:nth-child(7) { animation-delay: 0.40s; }

.hero .terminal-line::after {
  content: "\2589";
  margin-left: 3px;
  color: var(--accent);
  animation: caret-blink 1.1s steps(1) infinite;
}
@keyframes caret-blink { 0%, 49% { opacity: 1; } 50%, 100% { opacity: 0; } }

.eyebrow .status-dot, .runtime-panel .status-dot { animation: pulse 1.6s ease-in-out infinite; }

.nav-link { position: relative; }
.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -3px;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.22s ease;
}
.nav-link:hover::after, .nav-link.active::after { transform: scaleX(1); }

.project-card { transition: transform 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease; }
.project-card:hover { transform: translateY(-4px); border-color: var(--accent); box-shadow: var(--hover-shadow); }

.chip { transition: color 0.15s ease, border-color 0.15s ease; }
.chip:hover { color: var(--text); border-color: var(--accent); }

.primary-button, .secondary-button { transition: transform 0.15s ease, filter 0.15s ease; }
.primary-button:hover, .secondary-button:hover { transform: translateY(-2px); }

.reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.in-view { opacity: 1; transform: none; }

/* gallery: pixel-art character intros (Kofun-kun, Dochicken-san) */
.gallery-shell { padding: 36px 0 96px; }
.gallery-hero { padding: 0 0 12px; }
.gallery-hero h1 { font-size: clamp(1.8rem, 5vw, 3.4rem); margin: 14px 0 0; }
.gallery-hero .lede { color: var(--muted); max-width: 60ch; margin: 14px 0 0; }

.char-card { display: grid; grid-template-columns: auto 1fr; gap: 36px; align-items: center; border-top: 1px solid var(--line); padding: 40px 0; }
.char-card:first-of-type { border-top: 0; }

.char-stage { display: grid; place-items: center; width: 208px; height: 208px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--char-stage-bg); box-shadow: var(--shadow); }
.char-kofun { color: var(--accent); }
.char-hero-sprite { display: block; }
.char-hero-sprite .px-svg { display: block; width: 9rem; height: 9rem; }
.px-svg { image-rendering: pixelated; }
/* neon glow per character */
.char-kofun .kofun-svg { filter: drop-shadow(0 0 5px rgb(var(--accent-rgb) / 0.45)); }
.dochicken-svg { filter: drop-shadow(0 0 6px rgba(255, 132, 40, 0.6)); }

.char-info h2 { margin: 0; font-size: clamp(1.4rem, 3vw, 2rem); }
.char-jp { color: var(--muted); font-size: 0.62em; font-weight: 500; margin-left: 6px; }
.char-tagline { color: var(--accent-2); margin: 6px 0 2px; }
.char-tagline[lang="ja"] { color: var(--muted); margin: 0 0 12px; font-size: 0.92em; }
.char-bio { color: var(--muted); max-width: 62ch; margin: 0; }
.char-bio + .char-bio { margin-top: 8px; }
.char-bio[lang="ja"] { font-size: 0.95em; }
.char-bio strong { color: var(--accent); font-weight: 700; }
.char-note { color: var(--accent); }

.char-frames { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 20px; }
.char-frames .frame { margin: 0; text-align: center; }
.char-frames .px { width: 60px; height: 60px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 8px; background: var(--panel); }
.char-frames .px .px-svg { width: 42px; height: 42px; display: block; }
.char-frames figcaption { color: var(--muted); font-size: 0.68rem; margin-top: 6px; letter-spacing: 0.04em; }

@keyframes char-bob { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
@keyframes char-peck { 0%, 55%, 100% { transform: rotate(0); } 72% { transform: rotate(13deg); } 86% { transform: rotate(0); } }
.char-hero-sprite.bob { animation: char-bob 1.8s ease-in-out infinite; }
.char-hero-sprite.peck { animation: char-peck 2.2s ease-in-out infinite; transform-origin: 50% 92%; }

@media (max-width: 640px) {
  .char-card { grid-template-columns: 1fr; justify-items: center; text-align: center; gap: 20px; padding: 32px 0; }
  .char-stage { width: 168px; height: 168px; }
  .char-hero-sprite .px-svg { width: 7.5rem; height: 7.5rem; }
  .char-tagline, .char-bio { margin-left: auto; margin-right: auto; }
  .char-frames { justify-content: center; }
}