/* superrealism.github.io — ポートフォリオ / ランディングページ専用
   ルート（/）と /en/ でのみ読み込む。assets/site.css とは独立した系統。 */

:root {
  color-scheme: light dark;

  --bg:      #fdfdfc;
  --bg-2:    #f4f4f2;
  --bg-3:    #ebebe7;
  --ink:     #101113;
  --ink-2:   #4c4f55;
  --ink-3:   #8b8f96;
  --line:    #e4e4e0;
  --line-2:  #c7c7c2;
  --sel:     #101113;
  --sel-ink: #fdfdfc;

  --maxw: 68rem;
  --pad: 24px;

  --sans: "Inter", system-ui, -apple-system, "Segoe UI", "Hiragino Sans",
          "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic UI",
          "Yu Gothic", Meiryo, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, "SF Mono",
          Menlo, Consolas, "Courier New", monospace;

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg:      #0c0d0f;
    --bg-2:    #15161a;
    --bg-3:    #1e2025;
    --ink:     #f2f1ee;
    --ink-2:   #a9acb3;
    --ink-3:   #71757d;
    --line:    #23252b;
    --line-2:  #3a3d45;
    --sel:     #f2f1ee;
    --sel-ink: #0c0d0f;
  }
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.8;
  font-feature-settings: "palt" 1;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-wrap: break-word;
}

::selection { background: var(--sel); color: var(--sel-ink); }

img, svg { max-width: 100%; height: auto; display: block; }

a { color: inherit; }

.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--pad);
}

/* 汎用ラベル（欧文モノスペース） */
.label {
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin: 0;
}

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  background: var(--ink);
  color: var(--bg);
  padding: 10px 18px;
  font-size: 0.85rem;
}
.skip:focus { left: 0; }

:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ───────── ヘッダー ───────── */

.site-head {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
}
@supports not (backdrop-filter: blur(1px)) {
  .site-head { background: var(--bg); }
}

.site-head .wrap {
  display: flex;
  align-items: center;
  gap: 20px;
  height: 58px;
}

.brand {
  display: inline-flex;
  align-items: center;
  font-family: var(--mono);
  font-size: 0.86rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-decoration: none;
  color: var(--ink);
  white-space: nowrap;
}
.brand::before {
  content: "";
  width: 0.6em;
  height: 0.6em;
  margin-right: 0.62em;
  background: currentColor;
  flex: none;
}

.site-head nav {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 22px;
  font-family: var(--mono);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
}
.site-head nav a {
  color: var(--ink-3);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}
.site-head nav a:hover { color: var(--ink); }
.site-head nav .lang {
  color: var(--ink);
  border: 1px solid var(--line-2);
  border-radius: 999px;
  padding: 3px 11px;
  line-height: 1.5;
  transition: background 0.2s var(--ease), color 0.2s var(--ease),
              border-color 0.2s var(--ease);
}
.site-head nav .lang:hover {
  background: var(--ink);
  color: var(--bg);
  border-color: var(--ink);
}

@media (max-width: 30rem) {
  .site-head nav { gap: 14px; }
  .site-head nav .hide-xs { display: none; }
}

/* ───────── ヒーロー ───────── */

.hero {
  padding: clamp(56px, 11vw, 120px) 0 clamp(40px, 7vw, 76px);
}

.hero .label { margin-bottom: 22px; }

.hero h1 {
  font-size: clamp(2rem, 5.6vw, 3.55rem);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.32;
  margin: 0 0 26px;
}

.hero .lead {
  margin: 0;
  max-width: 36rem;
  color: var(--ink-2);
  font-size: clamp(0.94rem, 1.4vw, 1.02rem);
  line-height: 2;
}

/* 3 つの原則 */
.tenets {
  list-style: none;
  margin: clamp(48px, 8vw, 84px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.tenets li {
  background: var(--bg);
  padding: 26px 26px 28px 0;
}
.tenets li + li { padding-left: 26px; }
.tenets .k {
  display: block;
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.tenets .v {
  display: block;
  margin-top: 10px;
  font-size: 1.02rem;
  font-weight: 600;
  letter-spacing: 0.01em;
}
.tenets p {
  margin: 8px 0 0;
  font-size: 0.86rem;
  line-height: 1.85;
  color: var(--ink-2);
}

@media (max-width: 44rem) {
  .tenets { grid-template-columns: 1fr; }
  .tenets li,
  .tenets li + li { padding: 20px 0 22px; }
}

/* ───────── ページ見出し（ポートフォリオ全体の題） ───────── */

.page-head {
  padding: clamp(48px, 8vw, 88px) 0 0;
}
.page-head h1 {
  font-size: clamp(1.75rem, 4vw, 2.6rem);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.3;
  margin: 0;
}
/* 題のすぐ下に来るセクションは上の余白を詰め、親子関係が見えるようにする */
.page-head + .sec { padding-top: clamp(30px, 4.5vw, 52px); }

/* ───────── セクション見出し ───────── */

.sec { padding: clamp(56px, 9vw, 96px) 0 0; }

.sec-head {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: clamp(20px, 3vw, 34px);
}
.sec-head h2 {
  font-size: clamp(1.15rem, 2vw, 1.4rem);
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0;
}
.sec-head .label { margin-left: auto; }

/* ───────── アプリ一覧 ───────── */

.apps { list-style: none; margin: 0; padding: 0; }

.app {
  display: grid;
  grid-template-columns: 3.6rem minmax(0, 15.5rem) minmax(0, 1fr);
  gap: 0 32px;
  padding: clamp(30px, 4vw, 44px) var(--pad);
  margin: 0 calc(var(--pad) * -1);
  border-top: 1px solid var(--line);
  transition: background 0.25s var(--ease);
}
.app:last-child { border-bottom: 1px solid var(--line); }
.app:hover { background: var(--bg-2); }

.app-no {
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--ink-3);
  padding-top: 0.5em;
  font-variant-numeric: tabular-nums;
  transition: color 0.25s var(--ease);
}
.app:hover .app-no { color: var(--ink); }

.app-icon {
  width: 64px;
  height: 64px;
  margin-bottom: 18px;
  flex: none;
}

.app-name {
  font-size: clamp(1.12rem, 2vw, 1.32rem);
  font-weight: 600;
  letter-spacing: -0.012em;
  line-height: 1.5;
  margin: 0;
}
.app-name-en {
  display: block;
  margin-top: 8px;
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.05em;
  color: var(--ink-3);
}

.app-desc {
  margin: 0;
  font-size: 0.925rem;
  line-height: 2;
  color: var(--ink-2);
  max-width: 40rem;
}

.tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 16px 0 0;
  padding: 0;
}
.tags li {
  font-size: 0.72rem;
  line-height: 1.7;
  letter-spacing: 0.02em;
  color: var(--ink-2);
  border: 1px solid var(--line-2);
  border-radius: 999px;
  padding: 2px 11px;
  white-space: nowrap;
}

.app-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 22px;
  margin-top: 22px;
}

/* 未公開・審査中のアプリに添えるバッジ */
.status {
  display: inline-flex;
  align-items: center;
  gap: 0.55em;
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--ink-2);
  background: var(--bg-3);
  border-radius: 999px;
  padding: 8px 17px;
}
.status::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ink-3);
  flex: none;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-family: var(--mono);
  font-size: 0.74rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-decoration: none;
  color: var(--ink);
  border: 1px solid var(--ink);
  border-radius: 999px;
  padding: 8px 18px;
  transition: background 0.2s var(--ease), color 0.2s var(--ease);
}
.btn:hover { background: var(--ink); color: var(--bg); }
.btn .arw { transition: transform 0.25s var(--ease); }
.btn:hover .arw { transform: translate(2px, -2px); }

.lnk {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  font-size: 0.82rem;
  letter-spacing: 0.01em;
  color: var(--ink-2);
  text-decoration: none;
  border-bottom: 1px solid var(--line-2);
  padding-bottom: 1px;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.lnk:hover { color: var(--ink); border-color: var(--ink); }
.lnk .arw {
  font-family: var(--mono);
  font-size: 0.85em;
  transition: transform 0.25s var(--ease);
}
.lnk:hover .arw { transform: translate(2px, -2px); }

@media (max-width: 52rem) {
  .app {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .app-no { padding-top: 0; margin-bottom: 14px; font-size: 0.72rem; }
  .app-body { margin-top: 18px; }
  /* 狭い画面ではアイコンを名前の左へ並べる */
  .app-id { display: flex; align-items: center; gap: 15px; }
  .app-icon { width: 52px; height: 52px; margin-bottom: 0; }
}

/* ───────── このサイトについて ───────── */

.about-grid {
  display: grid;
  grid-template-columns: 3.6rem minmax(0, 15.5rem) minmax(0, 1fr);
  gap: 0 32px;
  border-top: 1px solid var(--line);
  padding-top: clamp(30px, 4vw, 44px);
}
.about-grid p {
  margin: 0 0 1.3em;
  font-size: 0.925rem;
  line-height: 2;
  color: var(--ink-2);
  max-width: 40rem;
}
.about-grid p:last-child { margin-bottom: 0; }
.about-grid h3 {
  margin: 0;
  font-size: clamp(1.12rem, 2vw, 1.32rem);
  font-weight: 600;
  letter-spacing: -0.012em;
}

.contact {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-top: 26px;
}

@media (max-width: 52rem) {
  .about-grid { grid-template-columns: 1fr; gap: 0; }
  .about-grid h3 { margin-bottom: 14px; }
}

/* ───────── フッター ───────── */

.site-foot {
  margin-top: clamp(64px, 10vw, 112px);
  border-top: 1px solid var(--line);
  background: var(--bg-2);
  padding: 34px 0 44px;
}
.site-foot ul {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.05em;
}
.site-foot a {
  color: var(--ink-2);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}
.site-foot a:hover { color: var(--ink); }
.site-foot .fine {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--ink-3);
}

/* ───────── 出現アニメーション ───────── */

.js .reveal {
  opacity: 0;
  transform: translateY(14px);
}
.js .reveal.in {
  opacity: 1;
  transform: none;
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
@media (prefers-reduced-motion: reduce) {
  .js .reveal { opacity: 1; transform: none; }
  .js .reveal.in { transition: none; }
}