:root {
  color-scheme: light;
  --paper: #fffaf0;
  --background: #f7f1e6;
  --ink: #352823;
  --muted: #6e564b;
  --accent: #87343c;
  --accent-dark: #69212d;
  --rule: #dfcdbb;
  --serif: "Hiragino Mincho ProN", "Yu Mincho", "Noto Serif CJK JP", serif;
  --sans: system-ui, -apple-system, "Hiragino Sans", sans-serif;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    radial-gradient(ellipse at 28% 0, #fdf8ef 0%, transparent 65%),
    radial-gradient(#ad886518 .55px, transparent .65px) 0 0 / 5px 5px,
    var(--background);
  font: 15px / 1.65 var(--sans);
}
h1, h2, p { margin: 0; }
a { color: inherit; }
button { cursor: pointer; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 68px;
  padding: 12px max(22px, calc((100vw - 1120px) / 2));
  border-bottom: 1px solid var(--rule);
}
.brand { display: inline-flex; align-items: center; gap: 9px; font-weight: 700; letter-spacing: .055em; white-space: nowrap; }
.brand svg { width: 29px; height: 29px; fill: none; stroke: var(--accent); stroke-width: 1.5; stroke-linecap: round; }
.header-caption { font-size: .76rem; color: var(--muted); text-align: right; white-space: nowrap; }
.demo-tag { font-size: .65rem; letter-spacing: .11em; color: var(--accent-dark); border: 1px solid #d1a7a6; padding: 3px 7px; border-radius: 4px; }

main { width: min(1040px, 100% - 56px); margin: 0 auto; padding: clamp(32px, 5vw, 60px) 0 34px; }
h1 { font: 700 clamp(1.7rem, 4.8vw, 2.85rem) / 1.32 var(--serif); letter-spacing: .015em; }
h1 span { display: inline-block; }
.intro { margin-top: 7px; color: var(--muted); font-size: .9rem; letter-spacing: .045em; }
.day-layout { display: grid; grid-template-columns: 1.16fr 1fr; gap: clamp(28px, 5.2vw, 66px); align-items: center; margin: clamp(26px, 4.6vw, 46px) 0 26px; }

.calendar {
  position: relative;
  min-width: 0;
  background: var(--paper);
  border: 1px solid #ddc8b3;
  border-radius: 10px 10px 8px 8px;
  box-shadow: 0 3px #fffaf0, 0 4px #ddc8b3, 0 7px #fffaf0, 0 8px #ddc8b3, 0 16px 24px #693e2d19;
}
.calendar-binding { position: absolute; inset: -12px 0 auto; display: flex; justify-content: center; gap: 66%; z-index: 1; }
.calendar-binding i { width: 9px; height: 26px; border-radius: 6px; background: linear-gradient(90deg, #725246, #d3ac86 47%, #8a6150); box-shadow: 1px 3px 2px #69433252; }
.calendar-paper {
  display: grid;
  grid-template-columns: 39% 61%;
  align-items: center;
  position: relative;
  min-height: 330px;
  overflow: hidden;
  border-radius: 10px 10px 0 0;
  background: linear-gradient(135deg, #fffaf1 40%, #f0ded3 100%);
}
.date-block { position: relative; z-index: 1; padding: 28px 0 28px clamp(18px, 3.4vw, 43px); }
.calendar-label { font-size: .74rem; font-weight: 700; color: var(--accent-dark); white-space: nowrap; }
.date { display: flex; align-items: baseline; white-space: nowrap; margin: 3px 0 10px; color: var(--accent-dark); font: 400 clamp(4.45rem, 8.8vw, 7.8rem) / .98 Georgia, serif; letter-spacing: -.095em; }
.day-unit { margin-left: .45em; color: var(--muted); font: 700 clamp(.9rem, 2.2vw, 1.3rem) / 1 var(--serif); letter-spacing: 0; }
.calendar-total { display: flex; align-items: center; gap: 7px; color: var(--muted); white-space: nowrap; font-size: .71rem; }
.calendar-total span { width: 13px; height: 1px; background: #ad766b; }
.portrait { align-self: stretch; position: relative; min-width: 0; isolation: isolate; }
.portrait-halo { position: absolute; right: 7%; bottom: 3%; width: 95%; aspect-ratio: 1; border-radius: 50%; background: #e9b7a77a; box-shadow: 0 0 0 10px #f1d8ca80, 0 0 0 11px #e8c3b2a8; }
.portrait img { position: absolute; bottom: 0; right: -2%; width: 112%; height: auto; max-height: 98%; object-fit: contain; object-position: center bottom; display: block; }
#avatar-speaking { opacity: 0; }
@media (prefers-reduced-motion: no-preference) {
  .portrait.speaking #avatar { opacity: 0; }
  .portrait.speaking #avatar-speaking { opacity: 1; }
}
.calendar-caption { display: flex; justify-content: space-between; gap: 10px; align-items: center; padding: 10px 16px; border-top: 1px solid #e4d0bc; color: var(--muted); font-size: .72rem; letter-spacing: .085em; }
.card-index { font: 600 .65rem / 1.5 var(--sans); letter-spacing: .14em; }

.message { min-width: 0; }
.section-label { display: flex; gap: 9px; align-items: center; color: var(--accent-dark); font-size: .8rem; font-weight: 700; letter-spacing: .105em; }
.section-label span { width: 14px; height: 1px; background: var(--accent); }
.message h2, .invalid-day h2 { margin: 11px 0 17px; font: 700 clamp(1.6rem, 3.2vw, 2.4rem) / 1.35 var(--serif); letter-spacing: .02em; }
.play-button { display: flex; width: 100%; gap: 10px; justify-content: center; align-items: center; min-height: 52px; border: 1px solid transparent; border-radius: 7px; background: var(--accent); color: #fff8ef; padding: 10px 16px; font: 700 1rem / 1.4 var(--sans); letter-spacing: .035em; }
.play-button:hover { background: var(--accent-dark); }
.play-button[data-loading] { cursor: progress; opacity: .8; }
.play-button svg { flex: 0 0 21px; width: 21px; height: 21px; fill: currentColor; }
.track { display: flex; align-items: center; gap: 11px; margin: 8px 0 12px; }
progress { appearance: none; flex: 1 1 0; min-width: 0; height: 4px; overflow: hidden; border: 0; border-radius: 10px; background: #e6d4c7; color: var(--accent); }
progress::-webkit-progress-bar { background: #e6d4c7; }
progress::-webkit-progress-value { background: var(--accent); }
progress::-moz-progress-bar { background: var(--accent); }
.audio-time { color: var(--muted); font-size: .72rem; font-variant-numeric: tabular-nums; white-space: nowrap; }
.audio-status { color: var(--accent-dark); font-size: .8rem; }
.audio-status:empty { display: none; }
.transcript { border-top: 1px solid var(--rule); padding-top: 14px; margin-top: 16px; }
.transcript-label { font-size: .76rem; font-weight: 700; color: var(--muted); }
.transcript p { margin-top: 8px; font-size: .88rem; line-height: 1.9; }

.demo-greetings { min-inline-size: 0; margin: 20px 0 0; padding: 0; border: 0; }
.demo-greetings legend { margin-bottom: 8px; padding: 0; color: var(--accent-dark); font-size: .9rem; font-weight: 700; letter-spacing: .065em; }
.demo-greeting-toggles { display: flex; flex-wrap: wrap; gap: 0 14px; }
.demo-greeting-toggles label { display: inline-flex; align-items: center; gap: 5px; min-height: 32px; font-size: .82rem; cursor: pointer; }
.demo-greeting-toggles input { margin: 0; accent-color: var(--accent); }
.demo-greeting-options { display: flex; flex-wrap: wrap; gap: 4px; }
.demo-greeting-options label { position: relative; display: grid; align-items: center; min-height: 40px; cursor: pointer; }
.demo-greeting-options input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.demo-greeting-options span { display: grid; place-items: center; min-width: 36px; min-height: 32px; padding: 2px 7px; border: 1px solid var(--rule); border-radius: 6px; background: var(--paper); font-size: .8rem; }
.demo-greeting-options input:checked + span { border-color: var(--accent); background: var(--accent); color: white; }
.demo-greeting-options input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: 2px; }
.demo-greeting-options input:disabled + span { opacity: .5; cursor: default; }
.demo-greeting-preview { margin-top: 4px; color: var(--muted); font-size: .85rem; }
.demo-actions { display: flex; flex-wrap: wrap; gap: 0 20px; }
.demo-today { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; margin-top: 6px; color: var(--accent-dark); font-size: .88rem; font-weight: 700; text-underline-offset: .22em; }
.demo-calendar { margin-top: clamp(12px, 2vw, 24px); border-top: 1px solid var(--rule); }
.demo-calendar-heading { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 12px 0; }
.demo-calendar-heading h2 { color: var(--accent-dark); font-size: .9rem; letter-spacing: .065em; }
.demo-calendar-heading > span { color: var(--muted); font-size: .75rem; }
.demo-days { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 8px; }
.demo-days a {
  display: grid;
  align-content: start;
  gap: 6px;
  min-height: 82px;
  padding: 12px;
  border: 1px solid var(--rule);
  border-radius: 7px;
  background: var(--paper);
  text-decoration: none;
}
.demo-days a:hover { border-color: var(--accent); background: #f3e3db; }
.demo-day-number { color: var(--accent-dark); font: 400 clamp(1.25rem, 3vw, 2rem) / 1 Georgia, serif; }
.demo-day-title { color: var(--muted); font-size: .72rem; overflow-wrap: anywhere; }
.invalid-day { margin: 27px 0; padding: 16px 0; }
footer { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 2px 16px; width: min(1040px, 100% - 56px); margin: 0 auto; padding: 0 0 22px; color: var(--muted); font-size: .7rem; letter-spacing: .065em; }

@media (max-width: 700px) {
  .site-header { min-height: 54px; padding: 8px 18px; }
  .header-caption { display: none; }
  main, footer { width: min(470px, 100% - 36px); }
  main { padding-top: 25px; }
  h1 { font-size: clamp(1.35rem, 5.7vw, 2rem); }
  .intro { font-size: .79rem; }
  .day-layout { grid-template-columns: 1fr; gap: 27px; margin-top: 25px; }
  .calendar-paper { min-height: clamp(178px, 51vw, 232px); grid-template-columns: 38% 62%; }
  .calendar-binding { inset: -9px 0 auto; }
  .calendar-binding i { width: 7px; height: 21px; }
  .date-block { padding: 14px 0 14px 17px; }
  .date { font-size: clamp(4.1rem, 17vw, 6rem); }
  .calendar-total { font-size: .63rem; }
  .portrait-halo { width: 86%; right: 9%; }
  .calendar-caption { padding: 7px 12px; }
  .message h2 { margin-top: 7px; margin-bottom: 12px; }
  .demo-days { gap: 5px; }
  .demo-days a { align-content: center; justify-items: center; min-height: 52px; padding: 5px; }
  .demo-day-title { display: none; }
}

@media (max-width: 355px) {
  .demo-days { grid-template-columns: repeat(6, minmax(0, 1fr)); }
}