@charset "UTF-8";

/* ==========================================================================
   テーマ(ひとこと掲示板 ha-sandbox.top/PF と同系統の配色)
   ライト: 白いカード + 濃い赤茶の文字/ボタン + ホバーで赤
   ダーク: 夜テーマの濃紺 + 黄色のアクセントライン
   ========================================================================== */
:root {
    --bg: #fcfafb;
    --card: #ffffff;
    --text: #270407;
    --muted: #7a6a6c;
    --border: rgba(39, 4, 7, 0.12);
    --input-bg: #ffffff;
    --primary: #270407;
    --primary-text: #ffffff;
    --primary-hover: #ed1c24;
    --accent: #ed1c24;
    --good: #1a8a55;
    --danger: #d4101a;
    --danger-bg: rgba(237, 28, 36, 0.08);
    --warn: #b36b00;
    --warn-bg: rgba(255, 171, 0, 0.12);
    --shadow: 0 8px 30px rgba(39, 4, 7, 0.06);
    --result-bg: #f7f1f2;
}

:root[data-theme="dark"] {
    --bg: #1a1a2e;
    --card: #25253f;
    --text: #f1f1f7;
    --muted: #a9a9c8;
    --border: rgba(255, 255, 255, 0.12);
    --input-bg: #1d1d33;
    --primary: #dde115;
    --primary-text: #1a1a2e;
    --primary-hover: #f0f35a;
    --accent: #dde115;
    --good: #5fe0a0;
    --danger: #ff6b7a;
    --danger-bg: rgba(255, 107, 122, 0.12);
    --warn: #ffc44d;
    --warn-bg: rgba(255, 196, 77, 0.12);
    --shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
    --result-bg: #1f1f36;
}

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

html { font-size: 62.5%; -webkit-text-size-adjust: 100%; }

body {
    margin: 0;
    font-family: "Noto Sans JP", "Hiragino Sans", "Helvetica Neue", Arial, sans-serif;
    font-size: 1.6rem;
    line-height: 1.6;
    color: var(--text);
    background-color: var(--bg);
    transition: background-color 0.2s ease, color 0.2s ease;
}

[hidden] { display: none !important; }

/* ==========================================================================
   ヘッダー
   ========================================================================== */
.topbar {
    position: sticky;
    top: 0;
    z-index: 10;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 20px;
    background-color: var(--card);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    border-bottom: 1px solid var(--border);
}

.logo { margin: 0; font-size: 2rem; font-weight: 700; letter-spacing: 0.5px; }

.theme-toggle {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: var(--input-bg);
    color: var(--text);
    font-size: 1.9rem;
    cursor: pointer;
    transition: transform 0.15s ease, border-color 0.15s ease;
}
.theme-toggle:hover { border-color: var(--accent); transform: rotate(-12deg); }

/* ==========================================================================
   レイアウト・カード
   ========================================================================== */
.container {
    max-width: 880px;
    margin: 0 auto;
    padding: 24px 16px 40px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.card {
    background-color: var(--card);
    border-radius: 12px;
    box-shadow: var(--shadow);
    padding: 28px;
    border-left: 5px solid var(--accent);
}

.card h2 { margin: 0 0 18px; font-size: 2rem; }
.card-head { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.card-head h2 { margin-bottom: 4px; }
.hint { margin: 0 0 14px; font-size: 1.3rem; color: var(--muted); }

/* ==========================================================================
   フォーム
   ========================================================================== */
.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px 18px;
}
.form-grid + .form-grid {
    margin-top: 18px;
    padding-top: 18px;
    border-top: 1px dashed var(--border);
}

.field { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.field-label { font-size: 1.3rem; font-weight: 700; color: var(--muted); }
.field-note { font-size: 1.2rem; color: var(--muted); }

.field input, .field select {
    width: 100%;
    padding: 11px 12px;
    font-size: 1.6rem; /* 16px未満だとiOSで入力時に拡大されるため */
    font-family: inherit;
    color: var(--text);
    background-color: var(--input-bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.field input:focus, .field select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--danger-bg);
}
:root[data-theme="dark"] .field input:focus, :root[data-theme="dark"] .field select:focus {
    box-shadow: 0 0 0 3px rgba(221, 225, 21, 0.2);
}
.field input.is-invalid { border-color: var(--danger); }

/* ==========================================================================
   計算結果
   ========================================================================== */
.results {
    margin-top: 22px;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}
.result {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 12px 14px;
    border-radius: 8px;
    background-color: var(--result-bg);
    min-width: 0;
}
.result-label { font-size: 1.2rem; font-weight: 700; color: var(--muted); }
.result-value { font-size: 2rem; font-weight: 800; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.result-sub { font-size: 1.2rem; color: var(--muted); }
.result-main { border: 2px solid var(--accent); }
.result-main .result-value { font-size: 2.6rem; }
.result.is-danger { background-color: var(--danger-bg); }
.result.is-danger .result-value { color: var(--danger); }
.is-good { color: var(--good); }

.warnings { list-style: none; margin: 14px 0 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.warnings li {
    padding: 10px 12px;
    border-radius: 6px;
    font-size: 1.4rem;
    font-weight: 700;
}
.warnings li.danger { color: var(--danger); background-color: var(--danger-bg); }
.warnings li.warn { color: var(--warn); background-color: var(--warn-bg); }

/* ==========================================================================
   チェックリスト
   ========================================================================== */
.progress { font-size: 1.4rem; font-weight: 700; color: var(--muted); }
.progress.is-complete { color: var(--good); }

.checklist { list-style: none; margin: 0 0 16px; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.checklist label {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px 14px;
    border: 1px solid var(--border);
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.15s ease, border-color 0.15s ease;
}
.checklist label:hover { border-color: var(--accent); }
.checklist input[type="checkbox"] {
    flex-shrink: 0;
    width: 22px;
    height: 22px;
    margin: 1px 0 0;
    accent-color: var(--primary-hover);
    cursor: pointer;
}
:root[data-theme="dark"] .checklist input[type="checkbox"] { accent-color: var(--accent); }
.checklist .is-checked { background-color: var(--result-bg); }
.checklist .is-checked span { color: var(--muted); text-decoration: line-through; }

.all-done { margin: 0 0 16px; padding: 12px 14px; border-radius: 8px; font-weight: 700; color: var(--good); background-color: var(--result-bg); }

.btn {
    display: inline-block;
    padding: 11px 18px;
    border-radius: 6px;
    font-size: 1.4rem;
    font-weight: 700;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.2s ease;
}
.btn-secondary { border: 2px solid var(--primary); color: var(--text); background: transparent; }
.btn-secondary:hover { background-color: var(--primary); color: var(--primary-text); }

.footer { max-width: 880px; margin: 0 auto; padding: 0 16px 32px; font-size: 1.2rem; color: var(--muted); text-align: center; }

/* ==========================================================================
   レスポンシブ
   ========================================================================== */
@media (max-width: 640px) {
    .card { padding: 20px 16px; }
    .form-grid { grid-template-columns: 1fr; gap: 12px; }
    .results { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .result-main { grid-column: 1 / -1; order: -1; }
    .result-value { font-size: 1.8rem; }
}