/* 予約メールのテスト用ページ。見た目は最小限。
 * 目立たせるのは、いちばん上の「お店ではありません」のお知らせだけ。 */
:root {
  --ink: #1d2533;      /* 文字・ボタン */
  --page: #eef1f5;     /* 背景 */
  --sheet: #ffffff;    /* フォームの紙 */
  --signal: #ffd338;   /* テストのお知らせ */
  --rule: #c3cbd8;     /* 線 */
  --muted: #4a5568;    /* 補足の文字 */
  --ok: #1f6b45;
  --err: #b3261e;
  --font: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic UI", "Yu Gothic", Meiryo, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--page); color: var(--ink); font-family: var(--font); font-size: 16px; line-height: 1.75; }
[hidden] { display: none !important; }

.wrap { width: min(100% - 32px, 36rem); margin-inline: auto; }

/* ---- いちばん上のお知らせ(黄と紺の帯で、工事中の札のように) ---- */
.notice { position: relative; background: var(--signal); color: var(--ink); }
.notice::before, .notice::after {
  content: ""; display: block; height: 14px;
  background: repeating-linear-gradient(-45deg, var(--ink) 0 12px, var(--signal) 12px 24px);
}
.notice-inner { width: min(100% - 32px, 36rem); margin-inline: auto; padding: 22px 0 20px; }
.notice-main { margin: 0; font-size: clamp(26px, 7.4vw, 38px); font-weight: 800; line-height: 1.35; letter-spacing: .01em; }
.ph { display: inline-block; } /* 言葉の途中で改行しない */
.notice-sub { margin: 12px 0 0; font-size: 15px; font-weight: 700; line-height: 1.7; }

/* ---- 見出し・説明 ---- */
.title { margin: 32px 0 6px; font-size: 25px; line-height: 1.4; }
.lead { margin: 0 0 8px; color: var(--muted); }
.h2 { margin: 0; font-size: 20px; line-height: 1.4; }

.howto { margin: 28px 0 0; }
.steps { margin: 12px 0 0; padding: 0; list-style: none; counter-reset: step; }
.steps li { position: relative; padding: 0 0 12px 40px; counter-increment: step; }
.steps li::before {
  content: counter(step); position: absolute; left: 0; top: 1px;
  display: grid; place-items: center; width: 28px; height: 28px; border-radius: 50%;
  background: var(--ink); color: #fff; font-size: 14px; font-weight: 700; line-height: 1;
}
.note { margin: 4px 0 0; padding: 10px 14px; border-left: 4px solid var(--signal); background: var(--sheet); font-size: 14.5px; }

/* ---- 予約フォーム ---- */
.reserve { margin: 36px 0 0; }
.reserve-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; }
.form, .done { margin-top: 16px; padding: 24px 18px; background: var(--sheet); border: 1px solid var(--rule); border-radius: 8px; }

.field { margin: 0 0 20px; padding: 0; border: 0; min-width: 0; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.field label, .seat-pick legend { display: block; margin-bottom: 6px; padding: 0; font-size: 15px; font-weight: 700; }
.field em { margin-left: 6px; padding: 1px 7px; border-radius: 3px; background: var(--ink); color: #fff; font-size: 12px; font-style: normal; vertical-align: 1px; }
.field input, .field select, .field textarea {
  display: block; width: 100%; min-height: 48px; padding: 10px 12px;
  border: 1.5px solid #8d99ab; border-radius: 6px; background: #fff; color: var(--ink);
  font: inherit; font-size: 16px; /* 16px未満だと iPhone で画面が拡大される */
}
.field textarea { min-height: 96px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: 3px solid rgba(29, 37, 51, .28); outline-offset: 0; border-color: var(--ink); }
.field .invalid { border-color: var(--err); background: #fdf1f0; }
.field-hint { margin: 6px 0 0; font-size: 13px; line-height: 1.6; color: var(--muted); }

.chips { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.chip { position: relative; display: block; margin: 0 !important; }
.chip input { position: absolute; inset: 0; width: 100%; height: 100%; margin: 0; opacity: 0; cursor: pointer; }
.chip span {
  display: grid; place-items: center; min-height: 46px; padding: 6px 4px;
  border: 1.5px solid #8d99ab; border-radius: 6px; font-size: 14.5px; font-weight: 400; text-align: center;
}
.chip input:checked + span { background: var(--ink); border-color: var(--ink); color: #fff; font-weight: 700; }
.chip input:focus-visible + span { outline: 3px solid rgba(29, 37, 51, .4); outline-offset: 2px; }

.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.form-msg { min-height: 1.6em; margin: 0 0 12px; font-size: 15px; font-weight: 700; line-height: 1.65; }
.form-msg.ok { color: var(--ok); }
.form-msg.err { padding: 10px 12px; border-left: 4px solid var(--err); background: #fdf1f0; color: var(--err); }
.form-msg:empty { padding: 0; border: 0; background: none; }
.privacy { margin: 12px 0 0; font-size: 13px; color: var(--muted); }

/* ---- ボタン ---- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 10px 18px;
  border: 2px solid var(--ink); border-radius: 6px; font: inherit; font-size: 16px; font-weight: 700; cursor: pointer;
}
.btn:focus-visible { outline: 3px solid var(--signal); outline-offset: 2px; box-shadow: 0 0 0 5px var(--ink); }
.btn-main { width: 100%; min-height: 54px; background: var(--ink); color: #fff; }
.btn-main:hover { background: #2e3a50; }
.btn-main:disabled { opacity: .6; cursor: wait; }
.btn-line { background: var(--sheet); color: var(--ink); }
.btn-line:hover { background: var(--signal); }

/* ---- 送信できたとき ---- */
.done { border-top: 6px solid var(--ok); outline: none; }
.done-title { margin: 0 0 8px; font-size: 22px; color: var(--ok); }
.done-text { margin: 0 0 10px; font-size: 15px; }
.done-list { margin: 16px 0 20px; border-top: 1px solid var(--rule); }
.done-list div { display: grid; grid-template-columns: 7.5em 1fr; gap: 10px; padding: 9px 0; border-bottom: 1px solid var(--rule); font-size: 15px; line-height: 1.6; }
.done-list dt { font-size: 13px; font-weight: 700; color: var(--muted); }
.done-list dd { margin: 0; overflow-wrap: anywhere; white-space: pre-wrap; }

/* ---- 下 ---- */
.foot { margin-top: 48px; padding: 20px 0 32px; border-top: 1px solid var(--rule); font-size: 13px; color: var(--muted); }
.foot p { margin: 0; }

@media (min-width: 640px) {
  .form, .done { padding: 32px 30px; }
  .title { margin-top: 40px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}