/*
Theme Name: Simple Upload Theme
Theme URI: https://simmon-youchi-hk.com
Description: シンプルなファイルアップロード機能付きテーマ
Version: 1.0
Author: Custom Theme
Author URI: https://simmon-youchi-hk.com
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: simple-upload-theme
*/

/* リセット */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* モバイルファースト - スマートフォン向け基本スタイル */
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans JP", "ヒラギノ角ゴ ProN", "Hiragino Kaku Gothic ProN", "メイリオ", Meiryo, sans-serif;
    font-size: 15px;
    line-height: 1.8;
    color: #333;
    background: #f5f5f5;
    min-height: 100vh;
    -webkit-text-size-adjust: 100%;
}

.container {
    width: 100%;
    max-width: 1000px;
    margin: 0 auto;
    padding: 20px 15px;
}

/* メインコンテンツ */
.site-content {
    padding: 30px 0;
    min-height: calc(100vh - 100px);
    display: flex;
    align-items: center;
    justify-content: center;
}

.page-content {
    background-color: #fff;
    padding: 30px 25px;
    border-radius: 8px;
    border: 1px solid #e8e8e8;
    box-shadow: none;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

/* ファイルアップロードフォーム */
.upload-form {
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
}

.upload-form h2,
.page-content h1,
.page-content h2 {
    font-size: 22px;
    font-weight: 700;
    color: #333;
    margin-bottom: 30px;
    letter-spacing: 0.5px;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 12px;
    font-size: 15px;
    color: #555;
    text-align: left;
}

.form-group input[type="file"] {
    width: 100%;
    padding: 20px;
    border: 2px dashed #d1d9e6;
    border-radius: 12px;
    background-color: #f8f9fb;
    cursor: pointer;
    font-size: 16px;
    min-height: 60px;
    transition: all 0.3s ease;
}

.form-group input[type="file"]:hover {
    border-color: #4CAF50;
    background-color: #f0f8f0;
}

.form-group input[type="file"]:active {
    border-color: #45a049;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid #e1e8ed;
    border-radius: 10px;
    font-size: 16px;
    min-height: 50px;
    transition: all 0.3s ease;
    background-color: #fafbfc;
}

.form-group input[type="text"]:focus,
.form-group input[type="email"]:focus,
.form-group textarea:focus {
    border-color: #4CAF50;
    outline: none;
    background-color: #fff;
    box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.1);
}

.submit-button {
    background: linear-gradient(135deg, #2196F3 0%, #1976D2 100%);
    color: #fff;
    width: 100%;
    padding: 18px 40px;
    border: none;
    border-radius: 12px;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    display: block;
    margin: 30px auto 0;
    min-height: 60px;
    box-shadow: 0 6px 20px rgba(33, 150, 243, 0.3);
    transition: all 0.3s ease;
    letter-spacing: 0.5px;
}

.submit-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(33, 150, 243, 0.4);
    background: linear-gradient(135deg, #1E88E5 0%, #1565C0 100%);
}

.submit-button:active {
    transform: translateY(0);
    box-shadow: 0 4px 15px rgba(33, 150, 243, 0.3);
}

/* 緑色のボタン（過年度調査済みなど） */
.submit-button.green-button {
    background: linear-gradient(135deg, #4CAF50 0%, #45a049 100%);
    box-shadow: 0 6px 20px rgba(76, 175, 80, 0.3);
}

.submit-button.green-button:hover {
    background: linear-gradient(135deg, #45a049 0%, #3d8b40 100%);
    box-shadow: 0 8px 25px rgba(76, 175, 80, 0.4);
}

.upload-preview {
    margin-top: 12px;
    padding: 12px 16px;
    background-color: #f0f8f0;
    border-radius: 8px;
    font-size: 14px;
    display: none;
    border-left: 4px solid #4CAF50;
}

.upload-preview.show {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* メッセージ */
.message {
    padding: 16px 20px;
    margin-bottom: 25px;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 500;
    animation: slideDown 0.4s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.message.success {
    background-color: #e8f5e9;
    border: 2px solid #4CAF50;
    color: #2e7d32;
    box-shadow: 0 4px 12px rgba(76, 175, 80, 0.15);
}

.message.error {
    background-color: #ffebee;
    border: 2px solid #f44336;
    color: #c62828;
    box-shadow: 0 4px 12px rgba(244, 67, 54, 0.15);
}

/* フッター */
.site-footer {
    background: #f9f9f9;
    color: #666;
    padding: 20px 15px;
    text-align: center;
    margin-top: 50px;
    font-size: 14px;
    border-top: 1px solid #e8e8e8;
}

/* 説明文のスタイル */
.page-content p,
.upload-form p {
    color: #666;
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 15px;
}

.page-content small {
    color: #999;
    font-size: 13px;
    display: block;
    margin-top: 10px;
}

/* レスポンシブデザイン - タブレット（481px以上） */
@media screen and (min-width: 481px) {
    body {
        font-size: 16px;
    }

    .container {
        padding: 40px 20px;
    }

    .site-content {
        padding: 40px 0;
    }

    .page-content {
        padding: 40px 40px;
        border-radius: 8px;
    }

    .upload-form h2,
    .page-content h1,
    .page-content h2 {
        font-size: 26px;
        margin-bottom: 35px;
    }

    .form-group {
        margin-bottom: 30px;
    }

    .form-group label {
        font-size: 16px;
    }

    .form-group input[type="file"] {
        padding: 22px;
        font-size: 17px;
    }

    .submit-button {
        width: auto;
        min-width: 280px;
        padding: 20px 50px;
        font-size: 19px;
    }

    .message {
        padding: 18px 24px;
        font-size: 16px;
    }

    .upload-preview {
        padding: 14px 18px;
        font-size: 15px;
    }
}

/* レスポンシブデザイン - PC（769px以上） */
@media screen and (min-width: 769px) {
    body {
        font-size: 17px;
    }

    .container {
        max-width: 1000px;
        padding: 50px 30px;
    }

    .site-content {
        padding: 60px 0;
    }

    .page-content {
        padding: 50px 60px;
        border-radius: 8px;
        box-shadow: none;
    }

    .upload-form {
        max-width: 650px;
        margin: 0 auto;
    }

    .upload-form h2,
    .page-content h1,
    .page-content h2 {
        font-size: 28px;
        margin-bottom: 40px;
    }

    .form-group {
        margin-bottom: 35px;
    }

    .form-group label {
        font-size: 17px;
        margin-bottom: 14px;
    }

    .form-group input[type="file"] {
        padding: 24px;
        font-size: 17px;
        min-height: 70px;
    }

    .form-group input[type="text"],
    .form-group input[type="email"],
    .form-group textarea {
        padding: 16px 20px;
        font-size: 17px;
        min-height: 55px;
    }

    .submit-button {
        width: auto;
        min-width: 320px;
        padding: 22px 60px;
        font-size: 20px;
        margin: 40px auto 0;
        min-height: 70px;
    }

    .upload-preview {
        padding: 16px 20px;
        font-size: 16px;
    }

    .message {
        padding: 20px 28px;
        margin-bottom: 30px;
        font-size: 17px;
    }

    .site-footer {
        padding: 25px 20px;
        margin-top: 60px;
        font-size: 15px;
    }

    .page-content p,
    .upload-form p {
        font-size: 16px;
        margin-bottom: 18px;
    }

    .page-content small {
        font-size: 14px;
    }
}