:root {
    --main: #2563eb;
    --accent: #f59e42;
    --bg: #f4f6fa;
    --panel: #fff;
    --border: #d1d5db;
    --radius: 18px;
    --shadow: 0 4px 18px 0 #0002;
}
.sim-wrap {
    max-width: 795px;
    margin: 0 auto 2em; /* ★上の余白を0に変更 */
    background: var(--panel);
    border-radius: var(--radius);
    box-shadow: none;
    padding: 2em 1.7em 2em 1.7em;
    border: none;
}
.sim-wrap h1 {
    font-size: 1.4em;
    color: var(--main);
    margin: 0 0 1em 0;
    font-weight: 700;
    letter-spacing: 0.01em;
}
.sim-wrap .lead {
    margin-bottom: 1.1em;
    font-size: 1.06em;
    color: #333b;
}
.sim-wrap .form-block {
    margin: 1.3em 0 2.2em;
    display: flex;
    flex-direction: column;
    gap: 1.5em;
}
.sim-wrap .field-label {
    font-weight: 500;
    margin-bottom: 0.4em;
    color: #34495e;
}
.sim-wrap .field-row {
    display: flex;
    gap: 0.7em;
    align-items: center;
    flex-wrap: wrap;
}
.sim-wrap .input-num {
    width: 100px;
    padding: 0.5em 0.6em;
    font-size: 1.08em;
    border-radius: 7px;
    border: 1.5px solid var(--border);
    background: #fafdff;
    outline: none;
    transition: border 0.2s;
}
.sim-wrap .input-num:focus {
    border: 1.5px solid var(--main);
}
.sim-wrap .unit-selector, .sim-wrap .input-price {
    font-size: 1em;
    border-radius: 7px;
    border: 1.5px solid var(--border);
    background: #fafdff;
    padding: 0.45em 0.8em;
    cursor: pointer;
}
.sim-wrap .field-note {
    color: #6c757d;
    font-size: 0.97em;
    margin-top: 0.1em;
    margin-left: 2px;
}
.sim-wrap .monthly-values {
    margin: 1em 0 0.5em;
    text-align: center;
    font-size: 0.97em;
    color: #2563eb;
    word-break: break-all;
}
.sim-wrap .sim-btn {
    display: inline-block;
    margin-top: 1.1em;
    padding: 0.8em 2.5em;
    background: #2563eb;
    color: #fff;
    font-size: 1.08em;
    border: none;
    border-radius: 7px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s;
    box-shadow: none;
}
.sim-wrap .sim-btn:hover, .sim-wrap .sim-btn:focus {
    background: #193baa;
    outline: none;
}
.sim-wrap .result-block {
    margin: 1.7em 0 2em 0;
    background: #f4fafd;
    border-radius: 12px;
    box-shadow: 0 2px 10px #2563eb09;
    font-size: 1.07em;
    color: #2563eb;
    font-weight: bold;
    padding: 1.2em 1em 1em 1em;
    border: 1.5px solid #e5e9f1;
    text-align: left;
    word-break: break-word;
}
.sim-wrap .result-block strong { color: var(--accent); }
.sim-wrap .payback-result-area {
    font-weight: bold;
    color: #2563eb;
    font-size: 1.05em;
    margin-bottom: 0.5em;
    line-height: 1.6;
}
.sim-wrap .payback-result-area strong { color: var(--accent); }
.sim-wrap .pdf-btn {
    display: block;
    margin: 2em auto 1.5em;
    padding: 0.75em 2em;
    background: #f59e42;
    color: #fff;
    font-size: 1em;
    border: none;
    border-radius: 7px;
    font-weight: bold;
    cursor: pointer;
    box-shadow: 0 2px 6px #f59e4233;
    transition: background 0.13s;
}
.sim-wrap .pdf-btn:hover { background: #bc781b; }
.sim-wrap .graph-area {
    margin: 2em 0;
    background: #fafdff;
    border-radius: 12px;
    padding: 1.5em 1.5em 1.2em 1.5em; /* 内側の余白を少し調整 */
    border: 1.5px solid #e5e9f1;
    box-shadow: 0 2px 10px #2563eb09;
}
.sim-wrap .graph-title {
    margin-bottom: 0.7em;
    color: #2563eb;
    font-size: 1.08em;
    font-weight: 600;
}

/* 画面外のPDF出力用エリアのスタイル */
#printArea {
    display: none;
    background: #ffffff;
    width: 800px;
    padding: 32px 40px 28px 40px;
    border-radius: 14px;
    box-sizing: border-box;
    margin: 0 auto;
}
#printArea .pdf-result-main {
    font-size: 15px;
    color: #222;
    margin-bottom: 18px;
    text-align: left;
    line-height: 1.8;
    word-break: break-word;
    font-weight: 500;
}
#printArea .pdf-result-main b {
    color: #f59e42;
    font-size: 16px;
    margin-right: 5px;
}
#printArea .pdf-sell-note {
    color: #f59e42;
    font-size: 18px;
    margin-bottom: 18px;
    font-weight: bold;
    text-align: left;
}
#printArea .pdf-graph-canvas-container {
     width: 720px;
     margin: 8px auto 0 auto;
}

/* レスポンシブ対応 */
@media (max-width: 820px) { /* ブレークポイントを調整 */
    .sim-wrap {
        margin: 1em;
        padding: 1.5em;
    }
}
@media (max-width: 600px) {
    .sim-wrap {
        margin: 1em 0.5em;
        padding: 1em 0.8em;
    }
    .result-block, .graph-area { padding: 1em 0.8em; }
    .sim-btn, .pdf-btn { width: 100%; font-size: 1em; }
    .monthly-values { font-size:0.9em; }
}