/* ------------------------------------------------------------------ *
 * reccheck.40hzp.com
 *
 * 色・文字・見出しの段組みは 40hzp.com（homepage の global.css）に合わせています。
 * 地の色の上の文字は、どれもコントラスト比 4.5:1 以上です。
 * ------------------------------------------------------------------ */

:root {
  --paper: #efeef2;
  --paper-deep: #e5e3ea;
  --paper-raise: #f7f6f9;
  --ink: #2a2632;
  --ink-muted: #56525f;
  --rule: #cfcbd8;
  --violet: #6c3fb4;
  --violet-deep: #4b2e63;
  --violet-bright: #8b3dec;

  /* 判定の段階の色。色だけに頼らず、記号と文字でも区別している */
  --stage-1: #25633a;
  --stage-2: #8a5300;
  --stage-3: #a2192f;
  --stage-check: #6c3fb4;
  --stage-skip: #56525f;

  --font-gothic: "Hiragino Kaku Gothic ProN", "Hiragino Sans", "BIZ UDPGothic",
    "Yu Gothic Medium", "Yu Gothic", Meiryo, "Noto Sans JP", "IPAexGothic",
    "IPAPGothic", system-ui, sans-serif;

  --fs-xs: 0.75rem;
  --fs-sm: 0.8125rem;
  --fs-base: 1rem;
  --fs-md: 1.0625rem;
  --fs-lg: 1.3125rem;
  --fs-xl: 1.625rem;
  --fs-2xl: 2.125rem;

  --gutter: clamp(1.25rem, 5vw, 3rem);
  --content-max: 42rem;
  --measure: 34rem;
  --radius: 2px;

  color-scheme: light;
}

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

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-gothic);
  font-size: var(--fs-base);
  line-height: 1.9;
  letter-spacing: 0.03em;
  font-feature-settings: "palt" 1;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
p,
ul {
  margin: 0;
}

ul {
  padding: 0;
  list-style: none;
}

a {
  color: var(--violet);
  text-decoration-color: color-mix(in srgb, var(--violet) 40%, transparent);
  text-underline-offset: 0.25em;
  text-decoration-thickness: 1px;
}

a:hover {
  text-decoration-color: currentColor;
}

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

::selection {
  background: color-mix(in srgb, var(--violet-bright) 25%, transparent);
}

[hidden] {
  display: none !important;
}

.skip {
  position: absolute;
  left: 0.5rem;
  top: -4rem;
  z-index: 100;
  padding: 0.5rem 0.9rem;
  background: var(--ink);
  color: var(--paper);
  text-decoration: none;
}

.skip:focus {
  top: 0.5rem;
}

/* --- ページ骨格 ---------------------------------------------------- */

.page {
  max-width: calc(var(--content-max) + var(--gutter) * 2);
  margin-inline: auto;
  padding: clamp(2.5rem, 8vw, 4.5rem) var(--gutter) clamp(3rem, 8vw, 5rem);
  display: grid;
  gap: clamp(2rem, 5vw, 2.75rem);
}

/* --- 見出し -------------------------------------------------------- */

.eyebrow {
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--violet-deep);
  letter-spacing: 0.12em;
  margin-bottom: 0.4rem;
}

.page-head__title {
  font-size: clamp(1.9rem, 6vw, var(--fs-2xl));
  word-break: auto-phrase;
  font-weight: 800;
  letter-spacing: 0.04em;
  line-height: 1.4;
  margin-bottom: 0.75rem;
}

.h2 {
  font-size: var(--fs-xl);
  word-break: auto-phrase;
  line-height: 1.5;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.h3 {
  font-size: var(--fs-md);
  font-weight: 700;
  letter-spacing: 0.05em;
  line-height: 1.7;
}

.prose {
  max-width: var(--measure);
  line-height: 2;
}

/* 約束ごと（送らない・採点しない）。罫線1本で本文と分ける */
.promises {
  display: grid;
  gap: 0.35rem;
  max-width: var(--measure);
  margin-top: 1.1rem;
  padding-inline-start: 1rem;
  border-inline-start: 2px solid var(--rule);
  font-size: var(--fs-sm);
  color: var(--ink-muted);
  line-height: 1.85;
}

/* --- ファイルを選ぶ ------------------------------------------------- */

.pickers {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
  gap: 1rem;
}

.picker {
  display: grid;
  gap: 0.5rem;
  align-content: start;
}

/* 入力欄そのものは見せず、ラベルを押せる枠にする。読み上げとキーボード操作は残す */
.picker__input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.picker__drop {
  display: grid;
  gap: 0.2rem;
  min-height: 9rem;
  align-content: center;
  padding: 1.25rem 1.25rem;
  border: 1px dashed color-mix(in srgb, var(--violet) 55%, var(--rule));
  border-radius: var(--radius);
  background: var(--paper-raise);
  cursor: pointer;
  transition: background-color 0.12s, border-color 0.12s;
}

.picker__drop:hover,
.picker.is-dragover .picker__drop {
  background: color-mix(in srgb, var(--violet) 7%, var(--paper-raise));
  border-color: var(--violet);
}

.picker__input:focus-visible + .picker__drop {
  outline: 2px solid var(--violet);
  outline-offset: 3px;
}

.picker.is-chosen .picker__drop {
  border-style: solid;
  border-color: var(--rule);
  border-inline-start: 3px solid var(--violet);
}

.picker__title {
  font-size: var(--fs-sm);
  font-weight: 700;
  letter-spacing: 0.06em;
}

.picker__tag {
  margin-inline-start: 0.5rem;
  font-size: var(--fs-xs);
  font-weight: 400;
  color: var(--ink-muted);
}

.picker__tag--req {
  color: var(--violet-deep);
}

.picker__file {
  font-size: var(--fs-md);
  font-weight: 700;
  color: var(--violet);
  overflow-wrap: anywhere;
  line-height: 1.6;
}

.picker.is-chosen .picker__file {
  color: var(--ink);
}

.picker__help {
  font-size: var(--fs-xs);
  color: var(--ink-muted);
  line-height: 1.7;
}

.linkbtn {
  justify-self: start;
  min-height: 2.75rem;
  padding: 0 0.25rem;
  border: 0;
  background: none;
  font: inherit;
  font-size: var(--fs-sm);
  color: var(--violet);
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--violet) 40%, transparent);
  text-underline-offset: 0.25em;
  cursor: pointer;
}

/* --- 読み込み中・エラー -------------------------------------------- */

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.status {
  display: grid;
  gap: 0.4rem;
  max-width: var(--measure);
}

.status__text {
  font-size: var(--fs-sm);
  color: var(--ink-muted);
  font-variant-numeric: tabular-nums;
}

.status__bar {
  width: 100%;
  height: 0.4rem;
  appearance: none;
  border: 0;
  border-radius: var(--radius);
  background: var(--paper-deep);
  overflow: hidden;
}

.status__bar::-webkit-progress-bar {
  background: var(--paper-deep);
}

.status__bar::-webkit-progress-value {
  background: var(--violet);
}

.status__bar::-moz-progress-bar {
  background: var(--violet);
}

.error {
  max-width: var(--measure);
  font-size: var(--fs-sm);
  line-height: 1.9;
  border-inline-start: 3px solid var(--stage-3);
  padding-inline-start: 0.85rem;
}

/* --- 結果 ---------------------------------------------------------- */

.result {
  display: grid;
  gap: 1.25rem;
  scroll-margin-top: 1.5rem;
}

.result:focus {
  outline: none;
}

.result__file {
  font-size: var(--fs-xs);
  color: var(--ink-muted);
  overflow-wrap: anywhere;
  font-variant-numeric: tabular-nums;
  margin-top: -0.75rem;
}

.summary {
  font-size: var(--fs-lg);
  font-weight: 700;
  line-height: 1.7;
  word-break: auto-phrase;
  border-top: 2px solid var(--ink);
  padding-top: 1rem;
}

.summary[data-stage="3"] {
  color: var(--stage-3);
}

.summary[data-stage="2"] {
  color: var(--stage-2);
}

.group {
  display: grid;
  gap: 0.6rem;
  margin-top: 0.75rem;
}

.group__lead {
  font-size: var(--fs-xs);
  color: var(--ink-muted);
  line-height: 1.8;
  max-width: var(--measure);
}

.items {
  display: grid;
  gap: 0.6rem;
  margin-top: 0.25rem;
}

.item {
  --stage: var(--stage-skip);
  display: grid;
  gap: 0.3rem;
  padding: 0.9rem 1rem 1rem;
  background: var(--paper-raise);
  border: 1px solid var(--rule);
  border-inline-start: 3px solid var(--stage);
  border-radius: var(--radius);
}

.item[data-stage="1"] {
  --stage: var(--stage-1);
}

.item[data-stage="2"] {
  --stage: var(--stage-2);
}

.item[data-stage="3"] {
  --stage: var(--stage-3);
}

.item[data-stage="check"] {
  --stage: var(--stage-check);
}

.item__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.1rem 1rem;
}

.item__name {
  font-weight: 700;
  letter-spacing: 0.05em;
}

.badge {
  display: inline-flex;
  align-items: baseline;
  gap: 0.35rem;
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--stage);
  letter-spacing: 0.04em;
}

.badge__mark {
  display: inline-grid;
  place-items: center;
  width: 1.25rem;
  height: 1.25rem;
  border-radius: 50%;
  background: var(--stage);
  color: #fff;
  font-size: 0.75rem;
  line-height: 1;
  align-self: center;
}

.item__detail {
  font-size: var(--fs-sm);
  line-height: 1.9;
  word-break: auto-phrase;
}

.item__fix {
  font-size: var(--fs-sm);
  line-height: 1.9;
  word-break: auto-phrase;
}

.item__label {
  display: inline-block;
  margin-inline-end: 0.6rem;
  padding: 0 0.45rem;
  border: 1px solid currentColor;
  border-radius: var(--radius);
  font-size: var(--fs-xs);
  font-weight: 700;
  color: var(--stage);
  line-height: 1.6;
  letter-spacing: 0.06em;
  vertical-align: 0.08em;
}

.item[data-stage="1"] .item__label,
.item[data-stage="skip"] .item__label {
  color: var(--ink-muted);
}

.item__note {
  font-size: var(--fs-xs);
  color: var(--ink-muted);
  line-height: 1.8;
}

.item[data-stage="skip"] .item__name,
.item[data-stage="skip"] .item__detail {
  color: var(--ink-muted);
}

/* 結果の下の注意書き。40hzp.com の .notes と同じ形 */
.notes {
  display: grid;
  gap: 0.5rem;
  max-width: var(--measure);
  margin-top: 0.75rem;
  font-size: var(--fs-xs);
  color: var(--ink-muted);
  line-height: 1.85;
}

.notes li {
  display: grid;
  grid-template-columns: 0.35rem minmax(0, 1fr);
  gap: 0 0.7rem;
}

.notes li::before {
  content: "";
  width: 0.35rem;
  height: 0.35rem;
  margin-top: 0.72em;
  background: var(--violet);
}

/* --- 次にすること -------------------------------------------------- */

.next {
  display: grid;
  gap: 1rem;
  border-top: 1px solid var(--rule);
  padding-top: clamp(1.75rem, 5vw, 2.5rem);
}

.exits {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: 1.25rem;
}

.exit {
  display: grid;
  gap: 0.5rem;
  align-content: start;
}

.exit__body {
  font-size: var(--fs-xs);
  color: var(--ink-muted);
  line-height: 1.8;
}

.btn {
  display: block;
  padding: 0.8rem 1.25rem;
  border: 1px solid var(--violet);
  border-radius: var(--radius);
  font-size: var(--fs-sm);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-align: center;
  text-decoration: none;
  transition: background-color 0.12s, color 0.12s;
}

.btn--solid {
  background: var(--violet);
  color: #fff;
}

.btn--solid:hover {
  background: var(--violet-deep);
  border-color: var(--violet-deep);
}

.btn--ghost {
  background: var(--paper-raise);
  color: var(--violet-deep);
}

.btn--ghost:hover {
  background: color-mix(in srgb, var(--violet) 8%, var(--paper-raise));
}

/* --- フッター ------------------------------------------------------ */

.site-footer {
  border-top: 1px solid var(--rule);
  background: var(--paper-deep);
}

.site-footer__inner {
  max-width: calc(var(--content-max) + var(--gutter) * 2);
  margin-inline: auto;
  padding: 1.5rem var(--gutter) calc(1.5rem + env(safe-area-inset-bottom, 0px));
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  align-items: center;
  font-size: var(--fs-xs);
  color: var(--ink-muted);
  letter-spacing: 0.06em;
}

.site-footer__inner a {
  color: var(--ink);
}

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