/* Kyoto Souvenir — hand-written static stylesheet. No framework, no build step. */

:root {
  --paper: #f6f1e8;
  --paper-2: #ede5d6;
  --ink: #221e19;
  --ink-2: #5f564b;
  --rule: #d6cbb8;
  --accent: #a33b24;        /* momiji vermilion, quiet */
  --accent-ink: #fffaf2;
  --shadow: 0 1px 0 rgba(34, 30, 25, .06), 0 18px 40px -24px rgba(34, 30, 25, .35);

  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", "Hiragino Mincho ProN", "Yu Mincho", Georgia, serif;
  --sans: "Avenir Next", Avenir, "Hiragino Sans", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --mincho: "Hiragino Mincho ProN", "Yu Mincho", "YuMincho", "Noto Serif JP", serif;

  --measure: 36rem;
  --wide: 60rem;
  --gutter: clamp(1rem, 4vw, 2.5rem);
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #16130f;
    --paper-2: #211c17;
    --ink: #ece4d6;
    --ink-2: #b2a693;
    --rule: #3a3229;
    --accent: #e48a6c;
    --accent-ink: #1a120d;
    --shadow: 0 18px 40px -24px rgba(0, 0, 0, .8);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #16130f;
  --paper-2: #211c17;
  --ink: #ece4d6;
  --ink-2: #b2a693;
  --rule: #3a3229;
  --accent: #e48a6c;
  --accent-ink: #1a120d;
  --shadow: 0 18px 40px -24px rgba(0, 0, 0, .8);
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(1.0625rem, 0.98rem + 0.35vw, 1.1875rem);
  line-height: 1.7;
  font-kerning: normal;
  font-variant-ligatures: common-ligatures;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration-color: color-mix(in srgb, var(--accent) 55%, transparent); text-underline-offset: .2em; text-decoration-thickness: 1px; }
a:hover { color: var(--accent); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px; }
::selection { background: color-mix(in srgb, var(--accent) 25%, transparent); }

.visually-hidden { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: 1rem; top: -4rem; z-index: 10; background: var(--ink); color: var(--paper); padding: .6rem 1rem; font-family: var(--sans); font-size: .9rem; }
.skip:focus { top: 1rem; }

/* ---------- header ---------- */
.site-header {
  display: flex; flex-wrap: wrap; align-items: center; gap: .75rem 1.5rem;
  padding: 1rem var(--gutter);
  border-bottom: 1px solid var(--rule);
  font-family: var(--sans);
}
.brand { display: inline-flex; align-items: center; gap: .7rem; text-decoration: none; margin-right: auto; }
.brand-name { font-family: var(--serif); font-size: 1.2rem; letter-spacing: .04em; }
.seal {
  display: inline-grid; place-items: center;
  width: 2rem; height: 2rem;
  background: var(--accent); color: var(--accent-ink);
  font-family: var(--mincho); font-size: 1.15rem; line-height: 1;
  border-radius: 3px;
  box-shadow: inset 0 0 0 2px var(--accent), inset 0 0 0 3px color-mix(in srgb, var(--accent-ink) 55%, transparent);
}
.seal.small { width: 1.5rem; height: 1.5rem; font-size: .85rem; vertical-align: -.3em; margin-right: .35rem; }
.site-nav ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: .25rem 1.25rem; }
.site-nav a {
  text-decoration: none; font-size: .78rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--ink-2); padding: .35rem 0; display: inline-block; border-bottom: 1px solid transparent;
}
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--ink); border-bottom-color: var(--accent); }
.theme-toggle {
  appearance: none; border: 1px solid var(--rule); background: transparent; color: var(--ink-2);
  width: 2.25rem; height: 2.25rem; border-radius: 50%; cursor: pointer; display: inline-grid; place-items: center;
}
.theme-toggle:hover { color: var(--ink); border-color: var(--ink-2); }
.theme-toggle span { width: .9rem; height: .9rem; border-radius: 50%; background: currentColor; box-shadow: inset -.32rem -.12rem 0 0 var(--paper); }
@media (max-width: 34rem) {
  .site-nav { order: 3; width: 100%; }
  .site-nav ul { gap: .25rem 1rem; }
}

/* ---------- shared type ---------- */
.eyebrow, .meta {
  font-family: var(--sans); font-size: .76rem; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-2); margin: 0 0 .6rem;
}
.eyebrow a { text-decoration: none; }
.section-title { font-weight: 400; font-size: clamp(1.7rem, 1.3rem + 1.6vw, 2.5rem); line-height: 1.15; letter-spacing: -.01em; margin: 0 0 1.5rem; }
.section-title a { text-decoration: none; }
h1, h2, h3 { font-weight: 400; text-wrap: balance; }
.button {
  display: inline-block; font-family: var(--sans); font-size: .82rem; letter-spacing: .12em; text-transform: uppercase; text-decoration: none;
  background: var(--ink); color: var(--paper); padding: .85rem 1.3rem; border-radius: 2px;
}
.button:hover { background: var(--accent); color: var(--accent-ink); }
.text-link { font-family: var(--sans); font-size: .82rem; letter-spacing: .12em; text-transform: uppercase; text-decoration: none; border-bottom: 1px solid var(--accent); padding-bottom: .15rem; }

/* ---------- prose ---------- */
.prose { max-width: var(--measure); margin: 0 auto; }
.prose > p { margin: 0 0 1.25em; }
.prose h2 { font-size: 1.6rem; line-height: 1.25; margin: 2.2em 0 .6em; }
.prose h2.display { text-align: center; font-size: clamp(2rem, 1.4rem + 2.6vw, 3.2rem); margin: 1.2em 0 .8em; letter-spacing: .01em; }
.prose h3 { font-size: 1.25rem; margin: 1.8em 0 .5em; }
.prose ul, .prose ol { padding-left: 1.2em; }
.prose strong { font-weight: 600; }
.prose a { overflow-wrap: anywhere; }
.figure, .figure-row { margin: 2.5rem calc(50% - min(50vw, var(--wide) / 2)); }
.figure img, .figure-row img { width: 100%; border-radius: 2px; }
.figure.tall { margin-left: auto; margin-right: auto; max-width: min(100%, 30rem); }
.figure.cutout { margin-left: auto; margin-right: auto; max-width: min(100%, 34rem); }
.figure.cutout img { border-radius: 0; }
.figure-row { display: grid; gap: .75rem; padding: 0 var(--gutter); }
.figure-row figure { margin: 0; }
.figure-row img { aspect-ratio: 4 / 3; object-fit: cover; height: 100%; }
@media (min-width: 40rem) {
  .figure-row.n2 { grid-template-columns: 1fr 1fr; }
  .figure-row.n3 { grid-template-columns: 1.4fr 1fr; grid-template-rows: auto auto; }
  .figure-row.n3 figure:first-child { grid-row: span 2; }
  .figure-row.n3 figure:first-child img { aspect-ratio: auto; }
}
.figure:not(.tall):not(.cutout) { padding: 0 var(--gutter); }

/* ---------- home ---------- */
.hero { position: relative; }
.hero-text {
  position: relative; max-width: var(--wide); margin: 0 auto; padding: clamp(3rem, 8vw, 7rem) var(--gutter) clamp(2rem, 5vw, 3.5rem);
}
.hero-title {
  font-size: clamp(3.4rem, 1.5rem + 9vw, 8.5rem); line-height: .92; letter-spacing: -.025em; margin: 0;
}
.hero-sub { font-style: italic; color: var(--ink-2); font-size: clamp(1.1rem, 1rem + .6vw, 1.45rem); margin: 1.2rem 0 0; }
.vertical {
  position: absolute; right: var(--gutter); top: clamp(3rem, 8vw, 7rem);
  writing-mode: vertical-rl; font-family: var(--mincho); font-size: clamp(1rem, .9rem + .5vw, 1.35rem);
  letter-spacing: .5em; color: var(--accent); margin: 0; padding-left: .9rem; border-left: 1px solid var(--rule);
}
.hero-img { margin: 0; }
.hero-img img { width: 100%; height: min(78vh, 56vw); min-height: 18rem; object-fit: cover; }

.home-story { padding: clamp(3.5rem, 9vw, 7rem) var(--gutter) 2rem; }
.home-story > .eyebrow, .home-story > .section-title { max-width: var(--measure); margin-left: auto; margin-right: auto; }
.home-story .prose > p:first-child { font-size: 1.3em; line-height: 1.5; }

.book-feature {
  display: grid; gap: 2rem; align-items: center;
  max-width: var(--wide); margin: 3rem auto; padding: clamp(2rem, 5vw, 3.5rem) var(--gutter);
  border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule);
}
.book-feature-img { justify-self: center; width: min(16rem, 70%); }
.book-cover { box-shadow: var(--shadow); border-radius: 2px; }
.book-sub { font-style: italic; color: var(--ink-2); margin-top: -.8rem; }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem 1.5rem; margin-top: 1.5rem; }
@media (min-width: 48rem) {
  .book-feature { grid-template-columns: 18rem 1fr; gap: 4rem; }
  .book-feature-img { width: 100%; }
}

.latest, .index { max-width: var(--wide); margin: 0 auto; padding: clamp(2.5rem, 6vw, 4.5rem) var(--gutter); }
.section-head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 1rem; margin-bottom: 1.5rem; }
.section-head .section-title { margin: 0; }

/* ---------- cards ---------- */
.cards { display: grid; gap: 2.5rem 2rem; }
.card { display: grid; gap: 1rem; align-content: start; }
.card-img { display: block; overflow: hidden; border-radius: 2px; background: var(--paper-2); }
.card-img img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; transition: transform .6s ease; }
.card:hover .card-img img { transform: scale(1.03); }
.card h3 { font-size: 1.45rem; line-height: 1.2; margin: 0 0 .5rem; }
.card h3 a { text-decoration: none; }
.card h3 a:hover { text-decoration: underline; }
.card .excerpt { margin: 0; color: var(--ink-2); font-size: .98rem; line-height: 1.6; }
.card .meta { display: flex; align-items: center; gap: .6rem; }
.season { font-family: var(--mincho); color: var(--accent); font-size: 1rem; letter-spacing: 0; text-transform: none; }
@media (min-width: 48rem) {
  .cards { grid-template-columns: repeat(3, 1fr); }
  .card-big { grid-column: 1 / -1; grid-template-columns: 1.5fr 1fr; gap: 2.5rem; align-items: center; }
  .card-big .card-img img { aspect-ratio: 16 / 10; }
  .card-big h3 { font-size: clamp(1.8rem, 1.2rem + 1.5vw, 2.6rem); }
  .card-big .excerpt { font-size: 1.08rem; }
}

/* ---------- entry ---------- */
.entry-head { position: relative; max-width: var(--measure); margin: 0 auto; padding: clamp(3rem, 8vw, 6rem) var(--gutter) 2.5rem; text-align: center; }
.entry-head h1 { font-size: clamp(2.6rem, 1.6rem + 4.5vw, 5rem); line-height: 1; letter-spacing: -.02em; margin: .4rem 0 0; }
.entry-season {
  font-family: var(--mincho); font-size: 1.1rem; margin: 0 auto 1.4rem; color: var(--accent-ink); background: var(--accent);
  width: 2.4rem; height: 2.4rem; display: grid; place-items: center; border-radius: 3px;
}
.entry .prose { padding: 0 var(--gutter); }
.entry .prose > p:first-of-type { font-size: 1.12em; }
.entry-foot { max-width: var(--measure); margin: 3rem auto 0; padding: 1.5rem var(--gutter) 0; border-top: 1px solid var(--rule); }
.entry-foot .meta a { color: var(--ink); }
.tags { list-style: none; padding: 0; margin: .5rem 0 0; display: flex; flex-wrap: wrap; gap: .5rem; font-family: var(--sans); font-size: .82rem; }
.tags a { display: inline-block; text-decoration: none; padding: .3rem .75rem; border: 1px solid var(--rule); border-radius: 999px; color: var(--ink-2); }
.tags a:hover { border-color: var(--accent); color: var(--accent); }
.tags .count { color: var(--accent); margin-left: .2rem; }
.tags.big { font-size: .95rem; margin-bottom: 2.5rem; }

.prev-next { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; max-width: var(--wide); margin: 3.5rem auto 0; padding: 0 var(--gutter); }
.prev-next a { display: block; text-decoration: none; padding: 1.4rem 0; border-top: 2px solid var(--ink); }
.prev-next .next { text-align: right; }
.prev-next .eyebrow { display: block; }
.prev-next .pn-title { font-size: clamp(1.15rem, 1rem + .8vw, 1.6rem); line-height: 1.2; }
.prev-next a:hover .pn-title { color: var(--accent); }
.prev-next .prev .eyebrow::before { content: "← "; }
.prev-next .next .eyebrow::after { content: " →"; }

/* ---------- pages & index ---------- */
.page-head { max-width: var(--measure); margin: 0 auto; padding: clamp(3rem, 8vw, 5.5rem) var(--gutter) 1.5rem; }
.page-head h1 { font-size: clamp(2.4rem, 1.6rem + 3.5vw, 4.2rem); line-height: 1.05; letter-spacing: -.02em; margin: 0 0 .5rem; }
.page-prose { padding: 0 var(--gutter); }
.portrait { max-width: 40rem; margin: 0 auto 2.5rem; padding: 0 var(--gutter); }
.portrait img { border-radius: 2px; }
.year { display: grid; gap: .5rem; padding: 1.25rem 0; border-top: 1px solid var(--rule); }
.year-label { font-size: 1.1rem; font-family: var(--sans); letter-spacing: .14em; color: var(--accent); margin: 0; }
@media (min-width: 40rem) { .year { grid-template-columns: 7rem 1fr; } .year-label { padding-top: .35rem; } }
.entry-list { list-style: none; margin: 0; padding: 0; }
.entry-list li { display: grid; grid-template-columns: 1fr auto; gap: .1rem 1rem; padding: .55rem 0; align-items: baseline; }
.entry-list time { grid-column: 1; font-family: var(--sans); font-size: .76rem; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-2); }
.entry-list a { grid-column: 1; font-size: 1.35rem; text-decoration: none; line-height: 1.25; }
.entry-list a:hover { text-decoration: underline; }
.entry-list .season { grid-column: 2; grid-row: 1 / span 2; font-size: 1.4rem; align-self: center; }
.topic-list { list-style: none; max-width: var(--measure); margin: 0 auto; padding: 0 var(--gutter); }
.topic-list li { border-top: 1px solid var(--rule); padding-top: 1.5rem; }
.topic-list h2 { font-size: 1.8rem; margin: 0 0 .3rem; }
.back { margin-top: 2.5rem; }

/* book card on the book page */
.book-card { display: grid; gap: 1.75rem; justify-items: center; text-align: center; margin: 1rem 0 2.5rem; }
.book-card img { width: min(18rem, 75%); }
.book-card cite { display: block; font-style: italic; font-size: 1.2rem; line-height: 1.4; margin-bottom: 1.25rem; }
.book-card .eyebrow { display: block; }

/* ---------- footer ---------- */
.site-footer { margin-top: clamp(4rem, 10vw, 7rem); border-top: 1px solid var(--rule); background: var(--paper-2); }
.footer-inner { max-width: var(--wide); margin: 0 auto; padding: 2.5rem var(--gutter) 3rem; }
.footer-title { font-size: 1.25rem; margin: 0; }
.footer-sub { font-style: italic; color: var(--ink-2); margin: .2rem 0 1.25rem; }
.footer-links { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: .5rem 1.5rem; font-family: var(--sans); font-size: .78rem; letter-spacing: .12em; text-transform: uppercase; }
.footer-links a { text-decoration: none; color: var(--ink-2); }
.footer-links a:hover { color: var(--accent); }

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}
@media print {
  .site-header, .site-footer, .prev-next, .theme-toggle { display: none; }
  body { background: #fff; color: #000; }
}