/* ==========================================================================
   物件LP ログインまわり(ログイン・パスワードを忘れたとき・再設定・確認・招待からの登録)
   - 先に app.css(デザインの決まり)と front.css(紹介サイトの部品)を読み込む。色・余白・角丸・影・書体は app.css の変数
   - クラス名は auth- で始める。Vite のビルドには入れない(静的な CSS)
   - スマホ:上にロゴ、写真の細い帯、入力。1024px 以上:左に入力、右に写真とサービスの一言
   ========================================================================== */

:root {
  --auth-panel-w: clamp(460px, 40vw, 600px);   /* PC の入力側の幅 */
  --auth-form-w: 400px;                         /* 入力の並びの幅 */
  --auth-band-h: 104px;                         /* スマホの写真の帯の高さ */
}

.auth { min-height: 100vh; background: var(--color-surface); }

/* ---------- 全体の並び ---------- */
.auth-shell { min-height: 100vh; min-height: 100svh; display: grid; grid-template-columns: minmax(0, 1fr); }
.auth-panel { display: flex; flex-direction: column; min-width: 0; min-height: 100vh; min-height: 100svh; background: var(--color-surface); }

/* ---------- ロゴの行 ---------- */
.auth-head { display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); height: 64px; padding-inline: var(--space-4); }
.auth-head__logo { display: flex; align-items: center; border-radius: var(--radius-sm); }
.auth-head__logo img { height: 44px; width: auto; }
.auth-head__back { display: inline-flex; align-items: center; gap: var(--space-1); min-height: var(--tap-min); padding: 0 var(--space-3); border-radius: var(--radius-sm); font-size: var(--text-small); font-weight: var(--weight-medium); color: var(--color-text-mid); text-decoration: none; }
.auth-head__back .icon { width: 16px; height: 16px; }
.auth-head__back:hover { background: var(--color-primary-soft); color: var(--color-text); }

/* ---------- スマホの写真の帯 ---------- */
.auth-band { position: relative; height: var(--auth-band-h); overflow: hidden; background: var(--color-bg); }
.auth-band img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 12%; }
.auth-band::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(16, 36, 62, .78) 0%, rgba(16, 36, 62, .45) 55%, rgba(16, 36, 62, 0) 85%); }
.auth-band__catch { position: absolute; z-index: 1; left: var(--space-4); bottom: var(--space-3); max-width: 12em; font-size: var(--text-small); font-weight: var(--weight-bold); line-height: 1.5; color: var(--color-text-on-primary); text-shadow: 0 1px 2px rgba(16, 36, 62, .5); }

/* ---------- 入力の側 ---------- */
.auth-main { flex: 1 0 auto; display: flex; flex-direction: column; justify-content: center; padding: var(--space-5) var(--space-4) var(--space-6); }
.auth-main__inner { width: 100%; max-width: var(--auth-form-w); margin-inline: auto; display: flex; flex-direction: column; gap: var(--space-5); }

.auth-intro { display: flex; flex-direction: column; gap: var(--space-2); }
.auth-title { font-size: 1.75rem; line-height: var(--leading-tight); font-weight: var(--weight-bold); letter-spacing: .02em; }
.auth-title::after { content: ""; display: block; width: 32px; height: 4px; margin-top: var(--space-3); border-radius: var(--radius-full); background: var(--color-accent); }
.auth-lead { color: var(--color-text-mid); line-height: 1.75; }
.auth-back { align-self: flex-start; display: inline-flex; align-items: center; gap: var(--space-1); min-height: var(--tap-min); margin-left: calc(var(--space-2) * -1); padding: 0 var(--space-2); border-radius: var(--radius-sm); font-size: var(--text-small); font-weight: var(--weight-medium); text-decoration: none; }
.auth-back .icon { width: 18px; height: 18px; }
.auth-back:hover { background: var(--color-primary-soft); }

.auth-form { display: flex; flex-direction: column; gap: var(--space-4); }
.auth-form .btn--block { margin-top: var(--space-1); }
.auth-form__sub { text-align: center; font-size: var(--text-small); }
.auth-form__sub a, .auth-linkbtn { display: inline-flex; align-items: center; min-height: var(--tap-min); padding: 0 var(--space-3); border-radius: var(--radius-sm); font-weight: var(--weight-medium); }
.auth-linkbtn { border: 0; background: none; color: var(--color-primary); text-decoration: underline; text-underline-offset: 3px; cursor: pointer; font-size: var(--text-small); }
.auth-linkbtn:hover { color: var(--color-primary-hover); }
.auth-small { font-size: var(--text-small); color: var(--color-text-mid); line-height: 1.7; }

/* 知らせ(エラー・送りました)。リンクは太く */
.auth-notice { line-height: 1.6; }
.auth-notice p + p { margin-top: var(--space-1); }
.auth-notice a { font-weight: var(--weight-bold); }
.auth-notice__more { font-size: var(--text-small); color: var(--color-text-mid); }
.notice--danger.auth-notice { border-color: color-mix(in srgb, var(--color-danger) 28%, transparent); }

/* 欄のすぐ下のエラー */
.auth-error { align-items: flex-start; line-height: 1.5; }
.auth-error .icon { width: 18px; height: 18px; margin-top: 1px; }

/* ログインしたままにする */
.auth-band__catch span { display: inline-block; }
.auth-row { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 0 var(--space-3); margin-block: calc(var(--space-2) * -1); }
.auth-remember { padding-block: 0; align-items: center; }
.auth-remember input { margin-top: 0; }
.auth-row__link { display: inline-flex; align-items: center; min-height: var(--tap-min); font-size: var(--text-small); font-weight: var(--weight-medium); border-radius: var(--radius-sm); }

/* パスワード欄:右端に「表示 / 隠す」 */
.auth-password { position: relative; }
.auth-password .input { padding-right: 88px; }
.auth-password__toggle { position: absolute; top: 50%; right: 4px; transform: translateY(-50%); display: inline-flex; align-items: center; gap: var(--space-1); min-height: 40px; min-width: 76px; justify-content: center; padding: 0 var(--space-2); border: 0; border-radius: 6px; background: transparent; color: var(--color-text-mid); font-size: var(--text-small); font-weight: var(--weight-bold); cursor: pointer; }
.auth-password__toggle .icon { width: 18px; height: 18px; }
.auth-password__toggle:hover { background: var(--color-primary-soft); color: var(--color-primary); }
.auth-password__toggle[aria-pressed="true"] { color: var(--color-primary); }

/* はじめての方へ(招待制の案内) */
.auth-invite { display: flex; flex-direction: column; gap: var(--space-2); padding: var(--space-4); border-radius: var(--radius-md); background: var(--color-bg); border: 1px solid var(--color-border); font-size: var(--text-small); color: var(--color-text-mid); line-height: 1.7; }
.auth-invite__title { display: flex; align-items: center; gap: var(--space-2); font-size: var(--text-body); font-weight: var(--weight-bold); color: var(--color-text); }
.auth-invite__title .icon { color: var(--color-brand); }
.auth-invite a { font-weight: var(--weight-bold); }

/* 招待の中身(会社・役割) */
.auth-facts { display: grid; gap: 0; margin: 0; border: 1px solid var(--color-border); border-radius: var(--radius-md); background: var(--color-surface-sub); overflow: hidden; }
.auth-facts > div { display: grid; grid-template-columns: 4.5em minmax(0, 1fr); gap: var(--space-3); padding: var(--space-3) var(--space-4); border-top: 1px solid var(--color-border); }
.auth-facts > div:first-child { border-top: 0; }
.auth-facts dt { font-size: var(--text-small); color: var(--color-text-mid); padding-top: 1px; }
.auth-facts dd { margin: 0; font-weight: var(--weight-bold); overflow-wrap: anywhere; }
.auth-facts__note { display: block; font-size: var(--text-small); font-weight: var(--weight-regular); color: var(--color-text-mid); }

/* ---------- 下の小さなリンク ---------- */
.auth-foot { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--space-1) var(--space-4); padding: var(--space-3) var(--space-4) var(--space-4); border-top: 1px solid var(--color-border); font-size: 0.8125rem; color: var(--color-text-soft); }
.auth-foot__links { display: flex; flex-wrap: wrap; gap: 0 var(--space-1); }
.auth-foot__links a { display: inline-flex; align-items: center; min-height: var(--tap-min); padding: 0 var(--space-2); color: var(--color-text-mid); text-decoration: none; border-radius: var(--radius-sm); }
.auth-foot__links a:hover { color: var(--color-text); text-decoration: underline; }

/* ---------- PC の写真の側 ---------- */
.auth-visual { display: none; }

@media (min-width: 640px) {
  :root { --auth-band-h: 132px; }
  .auth-head { padding-inline: var(--space-6); height: 72px; }
  .auth-band__catch { left: var(--space-6); font-size: var(--text-body); }
  .auth-main { padding: var(--space-7) var(--space-6); }
  .auth-title { font-size: 2rem; }
  .auth-foot { padding-inline: var(--space-6); }
}

@media (min-width: 1024px) {
  .auth-shell { grid-template-columns: var(--auth-panel-w) minmax(0, 1fr); }
  .auth-panel { position: relative; z-index: 1; box-shadow: 1px 0 0 var(--color-border); }
  .auth-head { padding-inline: var(--space-7); height: 80px; }
  .auth-band { display: none; }
  .auth-main { padding: var(--space-5) var(--space-7) var(--space-6); }
  .auth-foot { padding-inline: var(--space-7); border-top: 0; }

  .auth-visual { display: block; position: sticky; top: 0; height: 100vh; height: 100svh; overflow: hidden; background: var(--color-navy); }
  .auth-visual picture, .auth-visual__photo { display: block; width: 100%; height: 100%; }
  .auth-visual__photo { object-fit: cover; object-position: 74% 30%; }
  /* 下から紺の幕を重ねて、白い文字を読みやすく */
  .auth-visual::after { content: ""; position: absolute; inset: 0; pointer-events: none;
    background: linear-gradient(0deg, rgba(16, 36, 62, .92) 0%, rgba(16, 36, 62, .72) 28%, rgba(16, 36, 62, .12) 58%, rgba(16, 36, 62, 0) 72%); }
  .auth-visual__credit { position: absolute; z-index: 2; top: var(--space-4); right: var(--space-4); padding: 2px var(--space-2); border-radius: var(--radius-full); background: color-mix(in srgb, var(--color-surface) 88%, transparent); font-size: 12px; line-height: 1.5; color: var(--color-text-mid); }
  .auth-visual__text { position: absolute; z-index: 2; left: 0; right: 0; bottom: 0; display: flex; flex-direction: column; gap: var(--space-4); padding: var(--space-7) clamp(48px, 5vw, 80px) clamp(48px, 7vh, 80px); color: var(--color-text-on-primary); }
  .auth-visual__pill { align-self: flex-start; display: inline-flex; align-items: center; gap: var(--space-2); min-height: 32px; padding: 0 var(--space-3); border-radius: var(--radius-full); background: rgba(255, 255, 255, .14); border: 1px solid rgba(255, 255, 255, .28); font-size: var(--text-small); font-weight: var(--weight-bold); color: var(--color-text-on-primary); backdrop-filter: blur(4px); }
  .auth-visual__pill::before { content: ""; width: 8px; height: 8px; border-radius: var(--radius-full); background: var(--color-accent); }
  .auth-visual__catch { font-size: clamp(2rem, 2.4vw + .6rem, 3.25rem); line-height: 1.3; font-weight: var(--weight-bold); letter-spacing: .02em; text-shadow: 0 2px 12px rgba(16, 36, 62, .35); }
  .auth-visual__catch span { display: inline-block; }
  .auth-visual__catch em { font-style: normal; color: var(--color-accent); }
  .auth-visual__lead { max-width: 30em; font-size: var(--text-body); line-height: 1.8; color: #DCE4EF; }
}

@media (min-width: 1024px) and (max-height: 700px) {
  .auth-head { height: 72px; }
  .auth-main { padding-block: var(--space-4) var(--space-5); }
}