/* ==========================================================================
   Classical — design-system tokens and component classes.
   Imported from the Claude Design project "Personal website with apps portfolio".
   ========================================================================== */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:wght@400;600&family=Lora:wght@400;600&display=swap');

:root {
  --color-bg: #f3f2f2;
  --color-surface: #eae9e9;
  --color-text: #201f1d;
  --color-accent: #b68235;
  --color-accent-2: #ac803e;
  --color-divider: color-mix(in srgb, #201f1d 16%, transparent);

  --color-neutral-100: #f8f4f4;
  --color-neutral-200: #eae7e7;
  --color-neutral-300: #d7d3d3;
  --color-neutral-400: #bab6b6;
  --color-neutral-500: #9b9797;
  --color-neutral-600: #7d7979;
  --color-neutral-700: #605d5d;
  --color-neutral-800: #444141;
  --color-neutral-900: #2d2b2b;

  --color-accent-100: #fff3e4;
  --color-accent-200: #ffe3bf;
  --color-accent-300: #facb8d;
  --color-accent-400: #e1ad66;
  --color-accent-500: #c28d41;
  --color-accent-600: #a06f24;
  --color-accent-700: #7d5411;
  --color-accent-800: #5a3b0a;
  --color-accent-900: #3a270d;

  --font-heading: "Cormorant Garamond", Georgia, serif;
  --font-heading-weight: 600;
  --font-body: "Lora", Georgia, serif;

  --space-1: 4.6px;
  --space-2: 9.2px;
  --space-3: 13.8px;
  --space-4: 18.4px;
  --space-6: 27.6px;
  --space-8: 36.8px;

  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-lg: 7px;

  --shadow-sm: 0 1px 2px color-mix(in srgb, #2d2b2b 14%, transparent);
  --shadow-md: 0 3px 10px color-mix(in srgb, #2d2b2b 16%, transparent);
  --shadow-lg: 0 12px 32px color-mix(in srgb, #2d2b2b 22%, transparent);

  --gutter: 32px;
  --maxw: 1060px;
}

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

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 15px; line-height: 1.55; font-weight: 400;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  line-height: 1.12; letter-spacing: -0.015em; margin: 0 0 var(--space-2);
}
h1 { font-size: 42px; } h2 { font-size: 32px; } h3 { font-size: 25px; }
h4 { font-size: 20px; } h5 { font-size: 16px; }
h6 { font-size: 13px; letter-spacing: 0.08em; text-transform: uppercase; }
p { margin: 0 0 var(--space-3); }
img { display: block; max-width: 100%; }
figure { margin: 0; }
figcaption { font-size: 11px; margin-top: var(--space-1); color: color-mix(in srgb, var(--color-text) 55%, transparent); }

a { color: var(--color-accent); text-decoration: none; text-underline-offset: 3px; }
a:hover { color: var(--color-accent-700); text-decoration: underline; }
:focus { outline: none; }
:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }
::selection { background: color-mix(in srgb, var(--color-accent) 30%, transparent); }

.hr { height: 1px; border: 0; margin: var(--space-4) 0; background: var(--color-divider); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  cursor: pointer; text-decoration: none;
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  font-size: 14px; line-height: 1.2; color: var(--color-text);
  background: transparent; border: 1px solid transparent;
  padding: var(--space-2) calc(var(--space-3) * 1.2);
  border-radius: var(--radius-md);
}
.btn-secondary { border-color: var(--color-divider); }
.btn-secondary:hover { background: color-mix(in srgb, var(--color-text) 7%, transparent); color: var(--color-text); text-decoration: none; }
.btn-secondary:active { background: color-mix(in srgb, var(--color-text) 14%, transparent); }

.plate {
  filter: sepia(0.22) saturate(0.82) contrast(1.05);
  box-sizing: border-box;
  border: 6px solid var(--color-surface);
  outline: 1px solid var(--color-divider);
}

/* ==========================================================================
   Page
   ========================================================================== */
@keyframes rise { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }

.page { min-height: 100vh; background: var(--color-bg); color: var(--color-text); }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gutter) 120px; }
[hidden] { display: none !important; }

/* --- header --- */
.site-header {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--color-bg) 92%, transparent);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--color-divider);
}
.header-inner {
  max-width: var(--maxw); margin: 0 auto; padding: 14px var(--gutter);
  display: flex; align-items: baseline; justify-content: space-between; gap: 24px;
}
.brand { display: flex; align-items: baseline; gap: 12px; }
.brand-name { font-family: var(--font-heading); font-size: 19px; letter-spacing: .02em; }
.brand-est {
  font-size: 9.5px; letter-spacing: .22em; text-transform: uppercase;
  font-variant-numeric: tabular-nums;
  color: color-mix(in srgb, var(--color-text) 45%, transparent);
}
.nav-tabs { display: flex; gap: 4px; }
.tab {
  padding: 6px 10px 8px; font-family: var(--font-heading); font-weight: 600;
  font-size: 12px; letter-spacing: .16em; text-transform: uppercase;
  color: var(--color-text); text-decoration: none; white-space: nowrap;
}
.tab:hover { color: var(--color-accent-700); text-decoration: none; }
.tab-rule { display: block; height: 1px; margin-top: 6px; background: transparent; }
.tab.is-active .tab-rule { background: var(--color-accent); animation: fade .3s ease both; }

/* --- about --- */
.s-hero { padding: 96px 0 72px; animation: rise .7s ease both; }
.kicker {
  font-size: 10px; letter-spacing: .26em; text-transform: uppercase;
  font-variant-numeric: tabular-nums; color: var(--color-accent-700); margin-bottom: 28px;
}
.display {
  font-weight: 400; font-size: clamp(44px, 6.4vw, 86px); line-height: 1.02;
  letter-spacing: -.02em; margin: 0 0 22px; max-width: 18ch;
}
.display-sm { font-size: clamp(38px, 5vw, 64px); line-height: 1.05; margin: 0 0 20px; }
#apps .display-sm { max-width: 22ch; }
#contact .display-sm { max-width: 20ch; }
.lede {
  font-family: var(--font-heading); font-size: clamp(20px, 2.2vw, 28px); font-style: italic;
  color: color-mix(in srgb, var(--color-text) 70%, transparent); margin: 0 0 40px;
}
.rule-short { height: 1px; background: var(--color-accent); width: 120px; }

.s-why {
  display: grid; grid-template-columns: 1.15fr .85fr; gap: 64px; align-items: start;
  padding: 8px 0 72px; animation: rise .7s ease .1s both;
}
.muted-h { color: color-mix(in srgb, var(--color-text) 50%, transparent); margin-bottom: 20px; }
.muted-h.sm { color: color-mix(in srgb, var(--color-text) 48%, transparent); margin-bottom: 12px; }
.pull {
  font-family: var(--font-heading); font-size: clamp(24px, 2.6vw, 32px); line-height: 1.3;
  font-style: italic; margin: 0 0 30px; padding-left: 26px; border-left: 1px solid var(--color-accent);
}
.body-copy { text-align: justify; hyphens: auto; font-size: 16.5px; line-height: 1.75; }
.cap { font-size: 11px; margin-top: var(--space-1); color: color-mix(in srgb, var(--color-text) 55%, transparent); }
.s-why img { width: 100%; object-fit: cover; }

.s-plates { padding: 48px 0 72px; animation: rise .7s ease .2s both; }
.s-plates .muted-h { margin-bottom: 16px; }
.plates-thesis { font-size: clamp(20px, 2vw, 26px); margin: 0 0 34px; }
.plate-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 22px; }
.plate-grid img { width: 100%; aspect-ratio: 3/4; object-fit: cover; }
.record-fig { display: flex; flex-direction: column; }
.record {
  aspect-ratio: 3/4; border: 1px solid var(--color-divider); padding: 18px;
  display: flex; flex-direction: column; justify-content: space-between;
}
.record-kicker { font-size: 9.5px; letter-spacing: .22em; text-transform: uppercase; color: var(--color-accent-700); }
.record-num { font-family: var(--font-heading); font-size: 38px; line-height: 1; font-variant-numeric: tabular-nums; }
.record-body { font-size: 12px; line-height: 1.55; margin: 8px 0 0; color: color-mix(in srgb, var(--color-text) 72%, transparent); }

.s-flavour { padding: 48px 0 0; animation: rise .7s ease .3s both; }
.s-flavour .muted-h { margin-bottom: 32px; }
.flavour-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 52px; }
.numeral {
  font-family: var(--font-heading); font-size: 34px; font-variant-numeric: tabular-nums;
  color: var(--color-accent); line-height: 1; margin-bottom: 14px;
}
.s-flavour h4 { margin-bottom: 10px; }
.small-copy {
  text-align: justify; hyphens: auto; font-size: 14.5px;
  color: color-mix(in srgb, var(--color-text) 78%, transparent);
}

/* --- apps --- */
.s-appshero { padding: 88px 0 44px; animation: rise .7s ease both; }
.apps-lede {
  max-width: 56ch; font-size: 16px; text-align: justify; hyphens: auto;
  color: color-mix(in srgb, var(--color-text) 72%, transparent);
}
.app-list { display: flex; flex-direction: column; gap: 36px; animation: rise .6s ease both; }
.app-card {
  border: 1px solid var(--color-divider); border-top: 2px solid var(--color-accent);
  border-radius: var(--radius-md); background: var(--color-bg);
  padding: 44px 48px; display: grid; grid-template-columns: .62fr 1fr; gap: 56px;
  transition: box-shadow .2s ease;
}
.app-card:hover { box-shadow: var(--shadow-md); }
.app-logo {
  width: 104px; height: 104px; object-fit: contain;
  border: 1px solid var(--color-divider); border-radius: var(--radius-md);
  padding: 8px; margin-bottom: 24px;
}
/* Logo row: app icon beside its support-language buttons */
.app-logo-row { display: flex; align-items: flex-start; gap: 18px; margin-bottom: 24px; }
.app-logo-row .app-logo { margin-bottom: 0; flex: none; }

.app-langs { padding-top: 5px; }
.app-langs-label {
  display: block; font-family: var(--font-heading); font-size: 11px;
  letter-spacing: .16em; text-transform: uppercase;
  color: color-mix(in srgb, var(--color-text) 50%, transparent); margin-bottom: 9px;
}
.app-langs-btns { display: flex; flex-wrap: wrap; gap: 6px; }
.lang-btn {
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  font-size: 12px; line-height: 1; letter-spacing: .08em;
  color: var(--color-accent-700); text-decoration: none;
  border: 1px solid var(--color-divider); border-radius: var(--radius-sm);
  padding: 7px 11px; background: transparent;
  transition: background .15s ease, border-color .15s ease;
}
.lang-btn:hover {
  background: color-mix(in srgb, var(--color-accent) 12%, transparent);
  border-color: var(--color-accent); color: var(--color-accent-700); text-decoration: none;
}
.lang-btn:active { background: color-mix(in srgb, var(--color-accent) 20%, transparent); }
.lang-btn:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }
.lang-btn[lang="ja"] {
  font-family: var(--font-body), "Hiragino Sans", "Noto Sans JP", sans-serif;
  font-size: 11px; letter-spacing: .04em;
}

.app-no {
  font-family: var(--font-heading); font-size: 15px; font-variant-numeric: tabular-nums;
  letter-spacing: .2em; color: var(--color-accent-700); margin-bottom: 20px;
}
.app-name { font-weight: 400; font-size: 38px; line-height: 1.06; margin: 0 0 8px; }
.app-sub {
  font-family: var(--font-heading); font-style: italic; font-size: 18px;
  color: color-mix(in srgb, var(--color-text) 65%, transparent); margin: 0 0 28px;
}
.app-meta {
  display: grid; grid-template-columns: auto 1fr; column-gap: 18px; row-gap: 9px;
  margin: 0; font-size: 11px; letter-spacing: .1em; text-transform: uppercase;
}
.app-meta dt { color: color-mix(in srgb, var(--color-text) 42%, transparent); }
.app-meta dd { margin: 0; font-variant-numeric: tabular-nums; }
.app-flag {
  display: inline-flex; align-items: center;
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  font-size: 11px; line-height: 1; letter-spacing: .14em; text-transform: uppercase;
  color: var(--color-accent-700);
  border: 1px solid color-mix(in srgb, var(--color-accent) 45%, transparent);
  background: color-mix(in srgb, var(--color-accent) 10%, transparent);
  border-radius: var(--radius-sm); padding: 8px 12px; margin: -14px 0 28px;
}
.app-ctas { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.app-cta { font-size: 11px; letter-spacing: .14em; text-transform: uppercase; }
.app-desc { text-align: justify; hyphens: auto; font-size: 15.5px; line-height: 1.72; margin-bottom: 26px; }
.hairline { height: 1px; background: var(--color-divider); margin-bottom: 26px; }
.app-why {
  text-align: justify; hyphens: auto; font-size: 15.5px; line-height: 1.72;
  color: color-mix(in srgb, var(--color-text) 80%, transparent);
}

/* --- contact --- */
#contact { padding-bottom: 140px; }
.s-contact { padding: 96px 0 56px; animation: rise .7s ease both; }
.contact-lede { max-width: 52ch; font-size: 16.5px; line-height: 1.7; text-align: justify; hyphens: auto; }
.contact-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 48px;
  padding-top: 44px; animation: rise .7s ease .1s both;
}
.contact-mail { font-family: var(--font-heading); font-size: 22px; margin: 0; }
.contact-grid p { margin: 0 0 6px; }

/* --- footer --- */
.site-footer { border-top: 1px solid var(--color-divider); }
.footer-inner {
  max-width: var(--maxw); margin: 0 auto; padding: 26px var(--gutter);
  display: flex; justify-content: space-between; gap: 20px;
  font-size: 10px; letter-spacing: .18em; text-transform: uppercase;
  color: color-mix(in srgb, var(--color-text) 42%, transparent);
}

/* ==========================================================================
   Responsive — the source design is desktop-only; these keep it intact above
   980px and reflow it below.
   ========================================================================== */
@media (max-width: 980px) {
  .plate-grid { grid-template-columns: repeat(3, 1fr); }
  .s-why { grid-template-columns: 1fr; gap: 40px; }
  .s-why > div:last-child { max-width: 420px; }
  .flavour-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  .app-card { grid-template-columns: 1fr; gap: 32px; padding: 36px 32px; }
  .contact-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
}

@media (max-width: 640px) {
  :root { --gutter: 20px; }
  .header-inner { flex-direction: column; align-items: flex-start; gap: 10px; padding-bottom: 6px; }
  .nav-tabs { gap: 0; margin-left: -10px; }
  .tab { font-size: 11px; letter-spacing: .12em; padding: 6px 10px 6px; }
  .brand-est { display: none; }
  .s-hero { padding: 56px 0 44px; }
  .s-appshero, .s-contact { padding: 52px 0 32px; }
  .plate-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .flavour-grid, .contact-grid { grid-template-columns: 1fr; gap: 32px; }
  .body-copy, .app-desc, .app-why, .small-copy, .apps-lede, .contact-lede { text-align: left; }
  .pull { padding-left: 18px; }
  .wrap { padding-bottom: 72px; }
  .footer-inner { flex-direction: column; gap: 8px; }
}

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