/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: YuGothic, 'Yu Gothic', 'ヒラギノ角ゴシック', 'Hiragino Sans', sans-serif;
    color: #42210b;
    overflow-x: hidden;
}

/* Page Container */
#omikuji-page {
    width: 100%;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: linear-gradient(180deg, #fff8e7 0%, #ffe4b5 100%);
    padding: 20px;
    position: relative;
}

#omikuji-page .page-content {
    background: #ffffff;
    background-image: url("../img/back2.png");
    background-position: left bottom;
    background-repeat: repeat-x;
    max-width: 800px;
    width: 100%;
    min-height: 600px;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    position: relative;
    overflow: hidden;
    padding: 60px 40px;
}

/* Gate Animation */
#omikuji-page .gate {
    position: absolute;
    width: 50%;
    height: 100%;
    background-color: #c8bb9b;
    top: 0;
    z-index: 100;
    transition: transform 2s ease-in-out;
    background-image: url("../img/mon.jpg");
    background-position: center;
    background-size: cover;
    opacity: 0.9;
}

#omikuji-page .gate.left {
    left: 0;
    transform: translateX(0);
}

#omikuji-page .gate.right {
    right: 0;
    transform: translateX(0);
}

#omikuji-page.opened .gate.left {
    transform: translateX(-100%);
}

#omikuji-page.opened .gate.right {
    transform: translateX(100%);
}

/* Page Inner */
#omikuji-page .page-in {
    position: relative;
    z-index: 10;
    text-align: center;
    opacity: 0;
    transition: opacity 2.5s ease-in-out;
}

#omikuji-page.opened .page-in {
    opacity: 1;
}

/* Main Title */
#omikuji-page .main-title {
    max-width: 500px;
    margin: 0 auto 40px;
    transition: opacity 0.5s, transform 0.5s;
}

#omikuji-page .main-title.hidden {
    opacity: 0;
    transform: translateY(-20px);
    pointer-events: none;
    position: absolute;
    top: 60px;
    left: 50%;
    transform: translateX(-50%) translateY(-20px);
}

#omikuji-page .main-title img {
    width: 100%;
    height: auto;
}

/* Draw Button */
#omikuji-page .kuji {
    padding: 15px 40px;
    max-width: 320px;
    width: 100%;
    height: 65px;
    border: none;
    color: #ffffff;
    font-size: 24px;
    font-weight: bold;
    border-radius: 100px;
    cursor: pointer;
    animation: btn_animation 4s ease-in-out alternate infinite;
    background: linear-gradient(90deg, #D0540C, #C6AA63);
    background-size: 500% 500%;
    box-shadow: 0 4px 15px rgba(208, 84, 12, 0.4);
    transition: transform 0.2s;
}

#omikuji-page .kuji:hover {
    transform: translateY(-2px);
}

#omikuji-page .kuji:disabled {
    background: #cccccc;
    cursor: not-allowed;
    animation: none;
}

#omikuji-page .kuji img {
    width: 26px;
    vertical-align: text-bottom;
    margin-right: 10px;
}

@keyframes btn_animation {
    0% { background-position: 0% 50%; }
    100% { background-position: 100% 50%; }
}

/* Already Drawn Message */
#omikuji-page .already-drawn {
    display: none;
    background: #fff3cd;
    border: 2px solid #ffc107;
    border-radius: 15px;
    padding: 20px;
    margin-top: 20px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

#omikuji-page .already-drawn.show {
    display: block;
}

#omikuji-page .already-drawn-title {
    font-size: 20px;
    font-weight: bold;
    color: #856404;
    margin-bottom: 10px;
}

#omikuji-page .already-drawn-text {
    font-size: 16px;
    color: #856404;
    line-height: 1.6;
}

/* Result Area */
#omikuji-page #result-area {
    display: none;
    margin-top: 40px;
}

#omikuji-page #result-area.show {
    display: block;
}

#omikuji-page #result {
    font-size: 28px;
    margin-bottom: 30px;
    letter-spacing: 0.05em;
    line-height: 1.6;
}

#omikuji-page #result span {
    font-size: 56px;
    color: #c30d23;
    font-weight: bold;
    display: block;
    margin: 10px 0;
}

/* Omikuji Animation */
#omikuji-page .omikuji {
    margin: 30px auto;
    width: 100px;
    height: auto;
    position: relative;
    animation: shake 3s infinite;
    display: none;
}

#omikuji-page .omikuji.show {
    display: block;
}

#omikuji-page .omikuji img {
    width: 100%;
    height: auto;
}

@keyframes shake {
    0% { transform: rotate(0deg); }
    10% { transform: rotate(10deg); }
    20% { transform: rotate(-10deg); }
    30% { transform: rotate(10deg); }
    40% { transform: rotate(-10deg); }
    50% { transform: rotate(0deg); }
    100% { transform: rotate(0deg); }
}

/* Coupon Area */
#omikuji-page .coupon-area {
    margin: 40px auto;
    max-width: 500px;
    display: none;
    opacity: 0;
    transition: opacity 0.8s ease-in-out;
}

#omikuji-page .coupon-area.show {
    display: block;
    opacity: 1;
}

#omikuji-page .coupon-box {
    background: linear-gradient(135deg, #ff6b6b 0%, #ff8e53 100%);
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 8px 25px rgba(255, 107, 107, 0.3);
    border: 4px dashed #ffffff;
    position: relative;
}

#omikuji-page .coupon-box::before,
#omikuji-page .coupon-box::after {
    content: '';
    position: absolute;
    width: 30px;
    height: 30px;
    background: #ffffff;
    border-radius: 50%;
    top: 50%;
    transform: translateY(-50%);
}

#omikuji-page .coupon-box::before {
    left: -15px;
}

#omikuji-page .coupon-box::after {
    right: -15px;
}

#omikuji-page .coupon-condition {
    color: #ffffff;
    font-size: 16px;
    margin-bottom: 15px;
    font-weight: bold;
}

#omikuji-page .coupon-value {
    color: #ffffff;
    font-size: 64px;
    font-weight: bold;
    margin: 10px 0;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

#omikuji-page .coupon-label {
    color: #ffffff;
    font-size: 20px;
    font-weight: bold;
    margin-bottom: 20px;
}

/* Coupon Code */
#omikuji-page .coupon-code-area {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 10px;
    padding: 15px;
    margin-top: 20px;
}

#omikuji-page .coupon-code-label {
    color: #42210b;
    font-size: 14px;
    font-weight: bold;
    margin-bottom: 8px;
}

#omikuji-page .coupon-code-box {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
}

#omikuji-page .coupon-code {
    background: #ffffff;
    border: 2px dashed #D0540C;
    border-radius: 8px;
    padding: 12px 20px;
    font-size: 24px;
    font-weight: bold;
    color: #D0540C;
    letter-spacing: 2px;
    font-family: 'Courier New', monospace;
}

#omikuji-page .copy-button {
    background: #D0540C;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s;
    white-space: nowrap;
}

#omikuji-page .copy-button:hover {
    background: #a03f09;
}

#omikuji-page .copy-button.copied {
    background: #28a745;
}

/* Terms */
#omikuji-page .coupon-terms {
    background: rgba(255, 255, 255, 0.9);
    border-radius: 10px;
    padding: 15px 20px;
    margin-top: 15px;
    text-align: left;
}

#omikuji-page .coupon-terms-title {
    color: #42210b;
    font-size: 14px;
    font-weight: bold;
    margin-bottom: 8px;
    text-align: center;
}

#omikuji-page .coupon-terms ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

#omikuji-page .coupon-terms li {
    color: #42210b;
    font-size: 13px;
    line-height: 1.8;
    padding-left: 1.2em;
    position: relative;
    margin-bottom: 5px;
}

#omikuji-page .coupon-terms li::before {
    content: '・';
    position: absolute;
    left: 0;
}

/* Fortune Text */
#omikuji-page .kuji-text {
    font-size: 20px;
    line-height: 1.8;
    margin: 30px auto;
    max-width: 600px;
    padding: 0 20px;
}

/* One Time Notice */
#omikuji-page .one-time-notice {
    background: rgba(255, 107, 107, 0.1);
    border: 2px solid #ff6b6b;
    border-radius: 10px;
    padding: 15px;
    margin-top: 30px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

#omikuji-page .one-time-notice p {
    color: #c30d23;
    font-size: 16px;
    font-weight: bold;
    margin: 0;
}

/* Decorative Elements */
#omikuji-page .kumo {
    position: absolute;
    z-index: 5;
}

#omikuji-page #kumo1 {
    width: 20%;
    left: 5%;
    top: 60%;
    animation: float-slow 10s ease-in-out infinite;
}

#omikuji-page #kumo2 {
    width: 25%;
    right: 5%;
    top: 15%;
    animation: float-slow 12s ease-in-out infinite 2s;
}

#omikuji-page #illust1 {
    position: absolute;
    max-width: 80px;
    width: 8%;
    height: auto;
    top: 12%;
    left: 15%;
    animation: yure 2s ease-in-out infinite;
    transform-origin: center bottom;
    z-index: 5;
}

#omikuji-page #illust2 {
    position: absolute;
    max-width: 75px;
    width: 7%;
    height: auto;
    bottom: 15%;
    right: 20%;
    z-index: 5;
    animation: shake 2s ease-in-out infinite;
    transform-origin: center bottom;
}

@keyframes yure {
    0%, 100% { transform: rotateZ(0); }
    25% { transform: rotateZ(-10deg); }
    75% { transform: rotateZ(10deg); }
}

@keyframes float-slow {
    0%, 100% { transform: translate(0, 0); }
    25% { transform: translate(10px, -15px); }
    50% { transform: translate(-10px, 10px); }
    75% { transform: translate(15px, -5px); }
}

/* Responsive Design */
@media only screen and (max-width: 768px) {
    #omikuji-page .page-content {
        padding: 40px 20px;
        min-height: 500px;
    }
    
    #omikuji-page .main-title {
        max-width: 90%;
        margin-bottom: 30px;
    }
    
    #omikuji-page .kuji {
        font-size: 20px;
        height: 60px;
        padding: 12px 30px;
    }
    
    #omikuji-page #result {
        font-size: 24px;
    }
    
    #omikuji-page #result span {
        font-size: 44px;
    }
    
    #omikuji-page .coupon-value {
        font-size: 52px;
    }
    
    #omikuji-page .coupon-condition {
        font-size: 14px;
    }
    
    #omikuji-page .coupon-code {
        font-size: 20px;
        padding: 10px 15px;
    }
    
    #omikuji-page .kuji-text {
        font-size: 18px;
    }
    
    #omikuji-page .already-drawn-title {
        font-size: 18px;
    }
    
    #omikuji-page .already-drawn-text {
        font-size: 14px;
    }
    
    #omikuji-page #illust1,
    #omikuji-page #illust2 {
        width: 12%;
        max-width: 60px;
    }
}

@media only screen and (max-width: 480px) {
    #omikuji-page {
        padding: 10px;
    }
    
    #omikuji-page .page-content {
        padding: 30px 15px;
        border-radius: 15px;
    }
    
    #omikuji-page .kuji {
        font-size: 18px;
        height: 55px;
    }
    
    #omikuji-page #result {
        font-size: 20px;
    }
    
    #omikuji-page #result span {
        font-size: 38px;
    }
    
    #omikuji-page .coupon-box {
        padding: 25px 15px;
    }
    
    #omikuji-page .coupon-value {
        font-size: 44px;
    }
    
    #omikuji-page .coupon-code {
        font-size: 18px;
        padding: 8px 12px;
    }
    
    #omikuji-page .copy-button {
        font-size: 13px;
        padding: 8px 16px;
    }
    
    #omikuji-page .coupon-terms li {
        font-size: 12px;
    }
    
    #omikuji-page .kuji-text {
        font-size: 16px;
    }
    
    #omikuji-page .one-time-notice p {
        font-size: 14px;
    }
}