/* 薬指の物語 ｜ OMR Stories
   生成りの紙・墨・くすんだ金。文庫本と文芸誌のあいだ。 */

:root {
  --paper: #f4efe6;
  --paper-deep: #ebe3d5;
  --ink: #2b2723;
  --ink-soft: #5d554d;
  --ink-faint: #8f857a;
  --gold: #a8875a;
  --gold-soft: rgba(168, 135, 90, .35);
  --rose: #b27a72;
  --rule: rgba(43, 39, 35, .14);
  --glow: rgba(240, 196, 140, .28);

  --mincho: "Shippori Mincho", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --body: "Shippori Mincho", "Hiragino Mincho ProN", "Yu Mincho", serif;

  --read-size: 17px;
  color-scheme: light;
}

:root[data-theme="night"] {
  --paper: #1d1a17;
  --paper-deep: #24201c;
  --ink: #e6ddd0;
  --ink-soft: #b8ad9f;
  --ink-faint: #82786c;
  --gold: #c9a774;
  --gold-soft: rgba(201, 167, 116, .3);
  --rose: #c99189;
  --rule: rgba(230, 221, 208, .12);
  --glow: rgba(201, 167, 116, .08);
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-feature-settings: "palt" 1;
  line-height: 1.9;
  transition: background-color .6s ease, color .6s ease;
  overflow-x: hidden;
}

/* 紙の粒子 */
body::before {
  content: "";
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 50;
  opacity: .5;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='180' height='180'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 .3  0 0 0 0 .26  0 0 0 0 .2  0 0 0 .09 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}
:root[data-theme="night"] body::before { mix-blend-mode: screen; opacity: .25; }

a { color: inherit; }
::selection { background: var(--gold-soft); }

/* ---------- 上部の帯 ---------- */
.masthead {
  position: relative;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px clamp(16px, 4vw, 48px);
  border-bottom: 1px solid var(--rule);
}
.masthead .brand {
  display: flex; align-items: baseline; gap: 12px;
  text-decoration: none;
}
.masthead .brand-ja {
  font-family: var(--mincho);
  font-weight: 600;
  font-size: 17px;
  letter-spacing: .06em;
}
.masthead .brand-en {
  font-family: var(--mincho);
  font-size: 15px;
  color: var(--ink-faint);
  letter-spacing: .03em;
}
.masthead .official {
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--ink-soft);
  border: 1px solid var(--gold-soft);
  padding: 4px 10px 3px;
  border-radius: 999px;
  white-space: nowrap;
}

/* ---------- 指輪のモチーフ ---------- */
.ring {
  width: 100%; height: 100%;
  overflow: visible;
}
.ring circle {
  fill: none;
  stroke: var(--gold);
  stroke-width: 1;
  stroke-dasharray: 1000;
  stroke-dashoffset: 1000;
  animation: draw 3.2s cubic-bezier(.6, .1, .2, 1) .4s forwards;
}
.ring circle.inner {
  stroke-width: .6;
  opacity: .55;
  animation-delay: 1s;
}
@keyframes draw { to { stroke-dashoffset: 0; } }

/* ---------- トップ：表紙 ---------- */
.cover {
  position: relative;
  min-height: min(92vh, 860px);
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  padding: clamp(40px, 8vw, 96px) clamp(16px, 6vw, 96px);
  overflow: hidden;
  background: radial-gradient(ellipse 48% 60% at 74% 48%, var(--glow), transparent 72%);
}
.cover-copy {
  position: relative; z-index: 2;
  max-width: 30em;
}
.cover-kicker {
  font-family: var(--mincho);
  font-size: clamp(15px, 2vw, 18px);
  color: var(--gold);
  letter-spacing: .03em;
  margin: 0 0 28px;
  opacity: 0;
  animation: rise 1.2s ease .2s forwards;
}
.cover-lead {
  font-family: var(--mincho);
  font-size: clamp(22px, 3.6vw, 34px);
  line-height: 1.75;
  letter-spacing: .03em;
  margin: 0 0 28px;
  opacity: 0;
  animation: rise 1.4s ease .5s forwards;
}
.cover-desc {
  color: var(--ink-soft);
  font-size: 14.5px;
  line-height: 2.1;
  letter-spacing: .03em;
  margin: 0;
  opacity: 0;
  animation: rise 1.4s ease .9s forwards;
}
.cover-title {
  position: relative; z-index: 2;
  writing-mode: vertical-rl;
  font-family: var(--mincho);
  font-weight: 500;
  font-size: clamp(44px, 8vw, 92px);
  letter-spacing: .1em;
  line-height: 1;
  margin: 0;
  padding-left: clamp(8px, 3vw, 40px);
  opacity: 0;
  animation: fade 2s ease .1s forwards;
}
.cover-ring {
  position: absolute;
  z-index: 1;
  right: clamp(-40px, 2vw, 60px);
  top: 50%;
  width: clamp(260px, 42vw, 520px);
  aspect-ratio: 1;
  transform: translateY(-50%);
}
@keyframes rise { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
@keyframes fade { to { opacity: 1; } }

@media (max-width: 640px) {
  .masthead .brand-en { display: none; }
  .cover {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto;
    min-height: auto;
    padding-top: 48px;
  }
  .cover-title {
    order: -1;
    justify-self: end;
    font-size: 46px;
    margin-bottom: 36px;
  }
  .cover-ring { top: 28%; right: -90px; width: 300px; }
}

/* ---------- 作品一覧 ---------- */
.section {
  position: relative; z-index: 2;
  padding: clamp(48px, 8vw, 96px) clamp(16px, 6vw, 96px);
  border-top: 1px solid var(--rule);
}
.section-label {
  display: flex; align-items: center; gap: 14px;
  font-family: var(--mincho);
  color: var(--gold);
  font-size: 17px;
  margin: 0 0 40px;
}
.section-label::after {
  content: ""; flex: 1; height: 1px; background: var(--rule);
}

.work {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: clamp(20px, 5vw, 64px);
  text-decoration: none;
  padding: 8px 0 40px;
}
.work-no {
  font-family: var(--mincho);
  font-size: 15px;
  line-height: 1.6;
  color: var(--gold);
  font-weight: 500;
  letter-spacing: .1em;
  padding-top: 14px;
}
.work-no small {
  display: block;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--ink-faint);
  margin-top: 10px;
}
.work-title {
  font-family: var(--mincho);
  font-size: clamp(28px, 4.6vw, 44px);
  letter-spacing: .06em;
  margin: 0 0 6px;
  font-weight: 500;
  transition: letter-spacing .6s ease;
}
.work:hover .work-title { letter-spacing: .1em; }
.work-meta {
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--ink-faint);
  margin: 0 0 22px;
}
.work-excerpt {
  margin: 0 0 22px;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 2.1;
  max-width: 34em;
}
.work-read {
  display: inline-flex; align-items: center; gap: 12px;
  font-size: 13px;
  letter-spacing: .1em;
  border-bottom: 1px solid var(--gold);
  padding-bottom: 4px;
}
.work-read::after {
  content: ""; width: 28px; height: 1px; background: currentColor;
  transition: width .4s ease;
}
.work:hover .work-read::after { width: 48px; }

.next-note {
  margin: 20px 0 0 calc(120px + clamp(20px, 5vw, 64px));
  font-size: 13px;
  color: var(--ink-faint);
  letter-spacing: .06em;
}
@media (max-width: 640px) {
  .work { grid-template-columns: 1fr; gap: 6px; }
  .work-no { font-size: 13px; padding-top: 0; }
  .work-no small { display: inline; margin-left: 10px; }
  .next-note { margin-left: 0; }
}

.about-block {
  max-width: 36em;
  font-size: 14.5px;
  color: var(--ink-soft);
  line-height: 2.1;
}
.about-block p { margin: 0 0 1.2em; }

/* ---------- フッター ---------- */
.site-foot {
  position: relative; z-index: 2;
  padding: 48px clamp(16px, 6vw, 96px) 64px;
  border-top: 1px solid var(--rule);
  font-size: 12px;
  color: var(--ink-faint);
  line-height: 2;
  letter-spacing: .03em;
}
.site-foot nav { display: flex; flex-wrap: wrap; gap: 8px 24px; margin-bottom: 18px; }
.site-foot a { text-decoration: none; border-bottom: 1px solid var(--rule); }
.site-foot .disclaimer { max-width: 46em; margin: 0 0 14px; }

/* =========================================================
   作品ページ
   ========================================================= */
.reader-bar {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 20;
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px;
  padding: 10px clamp(16px, 4vw, 40px);
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--rule);
  font-size: 12px;
}
.reader-bar .back {
  text-decoration: none;
  letter-spacing: .06em;
  color: var(--ink-soft);
  white-space: nowrap;
}
.reader-bar .now {
  flex: 1;
  text-align: center;
  font-family: var(--mincho);
  letter-spacing: .1em;
  color: var(--ink-soft);
  opacity: 0;
  transition: opacity .4s ease;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.reader-bar.scrolled .now { opacity: 1; }
.reader-tools { display: flex; gap: 6px; }
.reader-tools button {
  font: inherit;
  font-family: var(--mincho);
  font-size: 12px;
  color: var(--ink-soft);
  background: transparent;
  border: 1px solid var(--rule);
  border-radius: 999px;
  min-width: 34px; height: 30px;
  padding: 0 10px;
  cursor: pointer;
  transition: border-color .3s, color .3s;
}
.reader-tools button:hover { border-color: var(--gold); color: var(--ink); }
.progress {
  position: absolute; left: 0; bottom: -1px;
  height: 1px; width: 0;
  background: var(--gold);
}

.fiction-label {
  text-align: center;
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--ink-soft);
  padding: 14px 16px 0;
}
.fiction-label span {
  border-top: 1px solid var(--gold-soft);
  border-bottom: 1px solid var(--gold-soft);
  padding: 4px 2px;
}

.story-head {
  position: relative;
  text-align: center;
  padding: clamp(64px, 12vw, 128px) 16px clamp(56px, 9vw, 96px);
  background: radial-gradient(ellipse 46% 52% at 62% 52%, var(--glow), transparent 72%);
}
.story-head .ring-wrap {
  position: absolute; left: 50%; top: 50%;
  width: clamp(240px, 46vw, 400px); aspect-ratio: 1;
  transform: translate(-50%, -50%);
}
.story-kicker {
  position: relative;
  font-family: var(--mincho);
  color: var(--gold);
  font-size: 15px;
  margin: 0 0 22px;
  opacity: 0; animation: rise 1.2s ease .3s forwards;
}
.story-title {
  position: relative;
  font-feature-settings: "palt" 1;
  font-family: var(--mincho);
  font-weight: 500;
  font-size: clamp(34px, 6.4vw, 60px);
  letter-spacing: .1em;
  margin: 0 0 26px;
  opacity: 0; animation: rise 1.6s ease .5s forwards;
}
.story-byline {
  position: relative;
  font-size: 12.5px;
  letter-spacing: .1em;
  color: var(--ink-soft);
  margin: 0;
  opacity: 0; animation: rise 1.4s ease .9s forwards;
}

.story {
  position: relative; z-index: 2;
  max-width: 34em;
  margin: 0 auto;
  padding: 0 16px 40px;
  font-size: var(--read-size);
  line-height: 2.1;
  letter-spacing: .01em;
  font-feature-settings: normal;
  transition: font-size .3s ease;
}
.story p {
  margin: 0 0 1.25em;
  text-indent: 1em;
}
.story p.dialog, .story p.noindent { text-indent: 0; }
.story p.msg {
  text-indent: 0;
  margin: 1.6em 0;
  padding: 1.1em 1.3em;
  border-left: 1px solid var(--gold);
  background: color-mix(in srgb, var(--paper-deep) 70%, transparent);
  font-size: .94em;
  line-height: 2;
  color: var(--ink-soft);
}
.story p.msg.draft {
  background: transparent;
  border: 1px dashed var(--line, var(--ink-faint));
  border-left: 1px dashed var(--gold);
  color: var(--ink-faint);
}
.story p.msg .from {
  display: block;
  font-size: .78em;
  letter-spacing: .06em;
  color: var(--ink-faint);
  margin-bottom: .3em;
}
.story h2 {
  font-family: var(--mincho);
  font-weight: 500;
  font-size: 1.12em;
  letter-spacing: .1em;
  text-align: center;
  margin: 3.6em 0 2.4em;
}
.story h2::before {
  content: "";
  display: block;
  width: 5px; height: 5px;
  margin: 0 auto 1.4em;
  border-radius: 50%;
  background: var(--gold);
}
.story h2 .num {
  display: block;
  font-family: var(--mincho);
  font-weight: 400;
  color: var(--gold);
  font-size: 1.1em;
  letter-spacing: .06em;
  margin-bottom: .4em;
}
.story .break {
  text-align: center;
  color: var(--gold);
  letter-spacing: .6em;
  padding-left: .6em;
  margin: 2.4em 0;
  font-size: .8em;
}
.story .end {
  text-align: center;
  margin: 4em 0 1em;
  font-family: var(--mincho);
  color: var(--gold);
  letter-spacing: .1em;
}

/* 段落のふわっとした登場 */
.js .story > * { opacity: .55; transform: translateY(8px); transition: opacity 1s ease, transform 1s ease; }
.js .story > .in { opacity: 1; transform: none; }

/* ---------- 作品のあと ---------- */
.after {
  position: relative; z-index: 2;
  max-width: 34em;
  margin: 0 auto;
  padding: 0 16px 72px;
}
.after-note {
  font-size: 12px;
  line-height: 2;
  color: var(--ink-faint);
  border-top: 1px solid var(--rule);
  padding-top: 24px;
  margin: 0 0 64px;
}
.omr-card {
  position: relative;
  border: 1px solid var(--gold-soft);
  padding: 36px clamp(22px, 5vw, 44px) 34px;
  text-align: center;
}
.omr-card::before {
  content: "";
  position: absolute; left: 50%; top: -14px;
  width: 26px; height: 26px;
  transform: translateX(-50%);
  border: 1px solid var(--gold);
  border-radius: 50%;
  background: var(--paper);
}
.omr-card h3 {
  font-family: var(--mincho);
  font-weight: 500;
  font-size: 16px;
  letter-spacing: .06em;
  margin: 0 0 12px;
}
.omr-card p {
  font-size: 13.5px;
  color: var(--ink-soft);
  line-height: 2;
  margin: 0 0 24px;
}
.omr-card a {
  display: inline-block;
  text-decoration: none;
  font-size: 13px;
  letter-spacing: .1em;
  padding: 12px 34px 12px 38px;
  border: 1px solid var(--ink);
  transition: background .4s ease, color .4s ease;
}
.omr-card a:hover { background: var(--ink); color: var(--paper); }

.other-works {
  margin-top: 64px;
  text-align: center;
  font-size: 13px;
  color: var(--ink-faint);
  letter-spacing: .06em;
}
.other-works a { color: var(--ink-soft); }
.other-works + .other-works { margin-top: 16px; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .ring circle { stroke-dashoffset: 0; }
  .cover-kicker, .cover-lead, .cover-desc, .cover-title,
  .story-kicker, .story-title, .story-byline { opacity: 1; }
  .js .story > * { opacity: 1; transform: none; }
}