:root {
  --paper: #f4efe6;
  --paper-deep: #ebe3d4;
  --slip: #fbf7f0;
  --ink: #1d1a17;
  --muted: #5e564e;
  --line: rgba(29, 26, 23, 0.14);
  --vermilion: #b4332a;
  --vermilion-deep: #8c241d;
  --gold: #a68456;
  --shadow: 0 18px 50px rgba(72, 42, 24, 0.1);
  --serif: "Fraunces", "Iowan Old Style", Palatino, "Palatino Linotype", Georgia, serif;
  --sans: "Figtree", "Noto Sans JP", "Hiragino Sans", "Avenir Next", "Segoe UI", sans-serif;
  --mincho: "Shippori Mincho", "Yu Mincho", "Hiragino Mincho ProN", "Iowan Old Style", serif;
  color-scheme: light;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100dvh;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.02rem;
  line-height: 1.5;
  background:
    radial-gradient(ellipse at 50% -8%, rgba(180, 51, 42, 0.09), transparent 46%),
    linear-gradient(180deg, #f7f3eb 0%, var(--paper) 42%, var(--paper-deep) 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.45;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cpath d='M70 8c18 22 18 40 0 62-18-22-18-40 0-62zm0 62c18 22 18 40 0 62-18-22-18-40 0-62zM8 39c22 10 40 10 62 0-22 10-40 10-62 0zm62 0c22 10 40 10 62 0-22 10-40 10-62 0z' fill='none' stroke='%231d1a17' stroke-opacity='.045' stroke-width='1'/%3E%3C/svg%3E");
}

.watermark {
  position: fixed;
  right: 3vw;
  top: 10vh;
  z-index: 0;
  margin: 0;
  color: rgba(180, 51, 42, 0.055);
  font-family: var(--mincho);
  font-size: clamp(8rem, 18vw, 16rem);
  line-height: 0.85;
  pointer-events: none;
  user-select: none;
}

.page {
  position: relative;
  z-index: 1;
  width: min(32rem, calc(100% - 2rem));
  margin: 0 auto;
  padding: 2.25rem 0 2.5rem;
}

.masthead { text-align: center; }

.torii {
  width: 2.6rem;
  height: auto;
  color: var(--vermilion);
}

.wordmark {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 0.45rem;
  margin: 0 0 1.35rem;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.plug {
  display: block;
  width: 1.7rem;
  height: auto;
  flex: none;
  color: var(--ink);
}

h1 {
  margin: 0.35rem 0 0;
  font-family: var(--mincho);
  font-size: clamp(3.2rem, 12vw, 4.4rem);
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.08em;
}

.tagline {
  margin: 0.85rem auto 0;
  max-width: 100%;
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1.2rem;
  font-weight: 460;
  font-style: italic;
  line-height: 1.35;
}

.tagline-line {
  display: inline-block;
  white-space: nowrap;
}

.lang-switch {
  display: inline-flex;
  margin-top: 1.05rem;
  padding: 0.15rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 250, 246, 0.45);
}

.lang {
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  padding: 0.38rem 0.72rem;
  cursor: pointer;
}

.lang.is-on {
  background: var(--vermilion);
  color: #fffaf6;
}

html[lang="ja"] {
  --sans: "Noto Sans JP", "Hiragino Sans", "Figtree", sans-serif;
  --serif: "Shippori Mincho", "Noto Serif JP", "Fraunces", serif;
}

html[lang="zh-Hans"] {
  --sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Figtree", sans-serif;
  --serif: "Noto Sans SC", "PingFang SC", "Fraunces", sans-serif;
}

html[lang="ja"] .slip-meta,
html[lang="zh-Hans"] .slip-meta {
  letter-spacing: 0.02em;
  text-transform: none;
}

.draw-form { margin-top: 1.75rem; }

.name-field { display: block; }

.name-label {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.name-label span {
  font-weight: 500;
  letter-spacing: 0.02em;
  text-transform: none;
}

.name-label span:first-child {
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.name-field input {
  width: 100%;
  margin-top: 0.35rem;
  padding: 0.7rem 0;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
  color: var(--ink);
  font: inherit;
  font-size: 1.05rem;
}

.name-field input::placeholder { color: #8a8176; }

.name-field input:focus {
  outline: none;
  border-bottom-color: var(--vermilion);
}

.hint {
  margin: 0.7rem 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.shrine-hit {
  display: block;
  width: 100%;
  margin: 1.35rem auto 0.35rem;
  cursor: pointer;
}

.shrine-hit.is-busy { cursor: progress; }

.shrine {
  width: min(15.5rem, 72%);
  margin: 0 auto;
  transition: transform 0.2s ease;
}

.shrine-hit:hover .shrine { transform: translateY(-3px); }

.shrine-hit:active .shrine { transform: translateY(1px); }

.shrine-hit.is-busy .shrine,
.shrine-hit.is-busy:hover .shrine { transform: none; }

.shaker {
  position: relative;
  transform-origin: 50% 88%;
}

.shaker.is-shaking { animation: shake 0.78s ease-in-out; }

.stick {
  position: absolute;
  z-index: 1;
  top: 11%;
  left: 50%;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  width: 0.85rem;
  height: 5.4rem;
  margin-left: -0.42rem;
  padding-top: 0.35rem;
  border-radius: 2px;
  background: linear-gradient(90deg, #c9ae80, #f4e7cc 42%, #ddc79a 70%, #b89568);
  box-shadow: inset -2px 0 0 rgba(90, 55, 24, 0.15);
  color: #6b4328;
  font-family: var(--serif);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  opacity: 0;
  transform: translateY(2.6rem);
}

.shaker.is-out .stick {
  opacity: 1;
  transform: translateY(-0.15rem);
  transition: transform 0.5s cubic-bezier(0.2, 0.75, 0.2, 1), opacity 0.25s ease;
}

.box {
  position: relative;
  z-index: 2;
  display: block;
  width: 100%;
  height: auto;
  filter: drop-shadow(0 16px 16px rgba(55, 30, 16, 0.16));
}

.draw-button {
  display: block;
  width: 100%;
  min-height: 3.15rem;
  margin-top: 0.4rem;
  border: 0;
  border-radius: 999px;
  background: var(--vermilion);
  color: #fffaf6;
  font: inherit;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  cursor: pointer;
}

.draw-button:hover { background: var(--vermilion-deep); }

.draw-button:disabled { opacity: 0.72; cursor: progress; }

.slip {
  position: relative;
  margin-top: 1.6rem;
  padding: 1.35rem 1.2rem 1.15rem;
  border: 1px solid rgba(180, 51, 42, 0.28);
  background:
    linear-gradient(180deg, rgba(180, 51, 42, 0.08), transparent 2.2rem),
    var(--slip);
  box-shadow: var(--shadow);
}

.slip::before {
  content: "";
  position: absolute;
  inset: 0.45rem;
  border: 1px solid rgba(29, 26, 23, 0.08);
  pointer-events: none;
}

.slip.reveal { animation: unroll 0.65s cubic-bezier(0.2, 0.8, 0.2, 1); }

.slip-meta {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin: 0;
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.rank-block {
  padding: 0.85rem 0.5rem 0.2rem;
  text-align: center;
}

.rank-jp {
  margin: 0;
  color: var(--vermilion);
  font-family: var(--mincho);
  font-size: clamp(4.2rem, 18vw, 5.3rem);
  font-weight: 600;
  line-height: 0.95;
}

.slip[data-tone="mid"] .rank-jp { color: #8a4b2f; }

.slip[data-tone="bad"] .rank-jp { color: #3d4a57; }

.rank-reading {
  margin: 0.35rem 0 0;
  color: var(--muted);
  font-family: var(--serif);
  font-size: 0.95rem;
  font-style: italic;
}

.rank-en {
  margin: 0.15rem 0 0;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.slip-for {
  margin: 0.85rem 0 0;
  color: var(--muted);
  font-size: 0.88rem;
  text-align: center;
  overflow-wrap: anywhere;
}

.summary {
  margin: 0.9rem 0 0;
  font-family: var(--serif);
  font-size: 1.28rem;
  font-weight: 460;
  line-height: 1.35;
  text-align: center;
}

.categories {
  display: grid;
  gap: 0.85rem;
  margin: 1.15rem 0 0;
  padding: 1rem 0 0;
  border-top: 1px solid var(--line);
}

.category dt {
  display: flex;
  gap: 0.55rem;
  align-items: flex-end;
  margin: 0;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 600;
}

.category ruby {
  color: var(--vermilion-deep);
  font-family: var(--mincho);
  font-size: 1.05rem;
  font-weight: 500;
  line-height: 1.15;
  ruby-position: over;
}

.category rt {
  font-family: var(--sans);
  font-size: 0.48em;
  font-weight: 500;
  letter-spacing: 0;
  color: var(--muted);
}

.category .gloss {
  padding-bottom: 0.1rem;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.slip[data-tone="bad"] .category ruby { color: #3d4a57; }

.category dd {
  margin: 0.15rem 0 0;
  font-size: 1rem;
  overflow-wrap: break-word;
}

.charms {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-top: 1.1rem;
  padding-top: 0.95rem;
  border-top: 1px solid var(--line);
}

.charms > div { min-width: 0; }

.charm-label {
  margin: 0;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.charm-value {
  display: flex;
  align-items: flex-start;
  gap: 0.4rem;
  margin: 0.25rem 0 0;
  font-size: 0.98rem;
  overflow-wrap: anywhere;
}

.swatch {
  width: 0.8rem;
  height: 0.8rem;
  flex: none;
  border: 1px solid rgba(29, 26, 23, 0.22);
  border-radius: 50%;
}

.charm-jp {
  color: var(--muted);
  font-family: var(--mincho);
}

.note {
  margin: 0.95rem 0 0;
  color: var(--muted);
  font-family: var(--serif);
  font-size: 0.98rem;
  font-style: italic;
  text-align: center;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1rem;
}

.ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.7rem;
  padding: 0.45rem 0.95rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--ink);
  font: inherit;
  font-size: 0.95rem;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
}

.ghost:hover { border-color: var(--ink); }

.copy-status {
  margin: 0.65rem 0 0;
  color: var(--vermilion-deep);
  font-size: 0.92rem;
  text-align: center;
}

.copy-status:empty {
  display: none;
  margin: 0;
}

.site-footer {
  margin-top: 2rem;
  color: var(--muted);
  font-size: 0.9rem;
  text-align: center;
}

.site-footer a {
  color: var(--vermilion-deep);
  text-underline-offset: 0.15em;
}

.site-footer a:hover { color: var(--vermilion); }

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

@keyframes shake {
  0% { transform: rotate(0deg); }
  12% { transform: rotate(-7deg); }
  26% { transform: rotate(6.5deg); }
  40% { transform: rotate(-5deg); }
  54% { transform: rotate(4deg); }
  68% { transform: rotate(-2.5deg); }
  82% { transform: rotate(1.5deg); }
  100% { transform: rotate(0deg); }
}

@keyframes unroll {
  from {
    opacity: 0;
    transform: translateY(-10px) scaleY(0.82);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 720px) {
  .watermark { display: none; }
  .page { padding-top: 1.5rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .shaker.is-shaking { animation: none; }
  .stick,
  .shrine,
  .slip.reveal { transition: none; animation: none; }
}