.intro-box,
.link-box,
.search-box {
    padding: 1.25rem 1.5rem;
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    margin: 1.5rem 0.5rem;
    border: 1px solid #e2e8f0;
}

.intro-box h2,
.link-box h2,
.search-box h2 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1e293b;
    margin-top: 0;
    margin-bottom: 1rem;
    border-bottom: 2px solid #f1f5f9;
    padding-bottom: 0.5rem;
}

.intro-box p {
    color: #475569;
    margin: 0;
    line-height: 1.6;
    font-size: 0.85rem;
}

/* リンクボックスのスタイル */
.link-box ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.link-box li {
    margin-bottom: 0rem;
}

.link-box a {
    display: inline-block;
    color: #3b82f6;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    padding: 0.25rem 0;
    transition: color 0.2s;
}

.link-box a:hover {
    color: #2563eb;
    text-decoration: underline;
}

/* 検索ボックスのスタイル */
.search-box form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    color: #475569;
    font-size: 0.95rem;
    font-weight: 500;
}

.search-box input[type="text"],
.search-box select {
    flex-grow: 1;
    padding: 0.6rem;
    border: 1px solid #cbd5e1;
    border-radius: 6px;
    font-size: 1rem;
    background-color: white;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.search-box input[type="text"]:focus,
.search-box select:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.search-box form br {
    display: none;
    /* flexboxでgapを使用するため、brは非表示にする */
}

.search-box button[type="submit"] {
    background-color: #3b82f6;
    color: #ffffff;
    border: none;
    padding: 0.6rem 1.5rem;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s ease, transform 0.1s;
    align-self: flex-start;
    margin-top: 0.5rem;
    box-shadow: 0 2px 4px rgba(59, 130, 246, 0.3);
}

.search-box button[type="submit"]:hover {
    background-color: #2563eb;
}

.search-box button[type="submit"]:active {
    transform: translateY(1px);
}

/* Tagifyのデザイン調整 */
.tagify {
    --tags-border-color: #cbd5e1;
    --tags-hover-border-color: #3b82f6;
    --tags-focus-border-color: #3b82f6;
    --tag-bg: #e2e8f0;
    --tag-hover: #cbd5e1;
    --tag-text-color: #1e293b;
    --tag-border-radius: 20px;
    --tag-pad: 0.3rem 0.6rem;

    border-radius: 8px;
    border: 1px solid var(--tags-border-color);
    background-color: #f8fafc;
    padding: 0.3rem;
    transition: all 0.2s ease;
    max-height: 120px;
    overflow-y: auto;
}

.tagify.tagify--focus {
    border-color: var(--tags-focus-border-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
    background-color: #ffffff;
}

.tagify__tag {
    margin: 3px;
}

.tagify__tag>div {
    border-radius: 20px;
    padding: var(--tag-pad);
}

.tagify__tag__removeBtn {
    margin-left: 5px;
}

.form-group {
    display: flex;
    flex-direction: row;
    align-items: center;
    margin-bottom: 0.5rem;
    gap: 1rem;
    /* PCでも等で溢れないように折り返しを許可 */
    flex-wrap: wrap;
}

label {
    flex-shrink: 0;
    font-weight: 600;
    color: #475569;
}

.form-check {
    display: flex;
    flex-direction: row;
    align-items: center;
    margin-bottom: 0.5rem;
    gap: 1rem;
    /* PCでも等で溢れないように折り返しを許可 */
    flex-wrap: wrap;
}

/* ラジオボタンエリアの特別調整 */
.form-group:has(input[type="radio"]) {
    gap: 0.5rem 0.75rem;
    /* 間隔を狭める */
}

/* ラジオボタンとラベルの距離を詰める */
.form-group input[type="radio"] {
    margin-right: 2px;
}

.form-group input[type="radio"]+label {
    width: auto;
    margin-right: 0.25rem;
    font-weight: normal;
}

/* モバイル向けの調整 */
@media (max-width: 600px) {

    .intro-box,
    .link-box,
    .search-box {
        padding: 1rem;
        margin: 1rem 0.5rem;
    }

    .intro-box h2,
    .link-box h2,
    .search-box h2 {
        font-size: 1.1rem;
        margin-bottom: 0.75rem;
        padding-bottom: 0.3rem;
    }

    .tagify {
        max-height: 80px;
        /* スマートフォンではさらに高さを抑える */
    }
}