@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;600&display=swap');

body {
    margin: 0;
    padding: 0;
    font-family: 'Poppins', sans-serif;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: auto;
    padding: 20px 0;
}

.title {
    color: #ff0000;
    font-size: 28px;
    font-weight: bold;
    text-shadow: 0 0 20px rgba(255, 74, 74, 0.5);
    margin-bottom: 15px;
}

.background {
    position: fixed;
    inset: 0;
    z-index: -2;
}

/* inseki */
.inseki::before {
  content: "";
  position: fixed;
  top: -4px;
  left: -4px;

  width: 4px;
  height: 4px;
  background: transparent;

  box-shadow:4px 4px 0 transparent,
8px 4px 0 transparent,
12px 4px 0 transparent,
16px 4px 0 transparent,
20px 4px 0 transparent,
24px 4px 0 transparent,
28px 4px 0 transparent,
32px 4px 0 transparent,
36px 4px 0 transparent,
40px 4px 0 transparent,
44px 4px 0 transparent,
48px 4px 0 transparent,
52px 4px 0 transparent,
56px 4px 0 transparent,
60px 4px 0 transparent,
64px 4px 0 rgb(199, 0, 0),
4px 8px 0 transparent,
8px 8px 0 transparent,
12px 8px 0 transparent,
16px 8px 0 transparent,
20px 8px 0 transparent,
24px 8px 0 transparent,
28px 8px 0 transparent,
32px 8px 0 transparent,
36px 8px 0 transparent,
40px 8px 0 transparent,
44px 8px 0 transparent,
48px 8px 0 rgb(255, 90, 0),
52px 8px 0 transparent,
56px 8px 0 transparent,
60px 8px 0 rgb(199, 0, 0),
64px 8px 0 transparent,
4px 12px 0 transparent,
8px 12px 0 transparent,
12px 12px 0 transparent,
16px 12px 0 transparent,
20px 12px 0 transparent,
24px 12px 0 transparent,
28px 12px 0 transparent,
32px 12px 0 rgb(235, 255, 37),
36px 12px 0 transparent,
40px 12px 0 transparent,
44px 12px 0 rgb(255, 90, 0),
48px 12px 0 transparent,
52px 12px 0 transparent,
56px 12px 0 rgb(199, 0, 0),
60px 12px 0 transparent,
64px 12px 0 transparent,
4px 16px 0 transparent,
8px 16px 0 transparent,
12px 16px 0 transparent,
16px 16px 0 transparent,
20px 16px 0 transparent,
24px 16px 0 transparent,
28px 16px 0 rgb(238, 255, 0),
32px 16px 0 transparent,
36px 16px 0 transparent,
40px 16px 0 rgb(255, 90, 0),
44px 16px 0 transparent,
48px 16px 0 transparent,
52px 16px 0 transparent,
56px 16px 0 transparent,
60px 16px 0 transparent,
64px 16px 0 transparent,
4px 20px 0 transparent,
8px 20px 0 transparent,
12px 20px 0 transparent,
16px 20px 0 transparent,
20px 20px 0 transparent,
24px 20px 0 rgb(238, 255, 0),
28px 20px 0 transparent,
32px 20px 0 transparent,
36px 20px 0 transparent,
40px 20px 0 transparent,
44px 20px 0 transparent,
48px 20px 0 rgb(199, 0, 0),
52px 20px 0 transparent,
56px 20px 0 transparent,
60px 20px 0 rgb(255, 75, 0),
64px 20px 0 transparent,
4px 24px 0 transparent,
8px 24px 0 transparent,
12px 24px 0 transparent,
16px 24px 0 transparent,
20px 24px 0 transparent,
24px 24px 0 transparent,
28px 24px 0 transparent,
32px 24px 0 rgb(255, 90, 0),
36px 24px 0 transparent,
40px 24px 0 transparent,
44px 24px 0 rgb(179, 0, 0),
48px 24px 0 transparent,
52px 24px 0 transparent,
56px 24px 0 rgb(255, 75, 0),
60px 24px 0 transparent,
64px 24px 0 transparent,
4px 28px 0 transparent,
8px 28px 0 transparent,
12px 28px 0 transparent,
16px 28px 0 rgb(238, 255, 0),
20px 28px 0 transparent,
24px 28px 0 transparent,
28px 28px 0 rgb(255, 102, 0),
32px 28px 0 transparent,
36px 28px 0 transparent,
40px 28px 0 rgb(179, 0, 0),
44px 28px 0 transparent,
48px 28px 0 transparent,
52px 28px 0 rgb(255, 75, 0),
56px 28px 0 transparent,
60px 28px 0 transparent,
64px 28px 0 transparent,
4px 32px 0 transparent,
8px 32px 0 transparent,
12px 32px 0 rgb(238, 255, 0),
16px 32px 0 transparent,
20px 32px 0 transparent,
24px 32px 0 rgb(255, 102, 0),
28px 32px 0 transparent,
32px 32px 0 transparent,
36px 32px 0 rgb(179, 0, 0),
40px 32px 0 transparent,
44px 32px 0 transparent,
48px 32px 0 transparent,
52px 32px 0 transparent,
56px 32px 0 transparent,
60px 32px 0 transparent,
64px 32px 0 transparent,
4px 36px 0 transparent,
8px 36px 0 transparent,
12px 36px 0 rgb(133, 0, 0),
16px 36px 0 rgb(97, 39, 0),
20px 36px 0 rgb(133, 0, 0),
24px 36px 0 rgb(133, 0, 0),
28px 36px 0 transparent,
32px 36px 0 rgb(179, 0, 0),
36px 36px 0 transparent,
40px 36px 0 transparent,
44px 36px 0 rgb(255, 75, 0),
48px 36px 0 transparent,
52px 36px 0 transparent,
56px 36px 0 rgb(235, 255, 37),
60px 36px 0 transparent,
64px 36px 0 transparent,
4px 40px 0 transparent,
8px 40px 0 rgb(97, 39, 0),
12px 40px 0 rgb(97, 39, 0),
16px 40px 0 rgb(133, 0, 0),
20px 40px 0 rgb(133, 0, 0),
24px 40px 0 rgb(97, 39, 0),
28px 40px 0 rgb(97, 39, 0),
32px 40px 0 transparent,
36px 40px 0 transparent,
40px 40px 0 rgb(255, 75, 0),
44px 40px 0 transparent,
48px 40px 0 transparent,
52px 40px 0 rgb(235, 255, 37),
56px 40px 0 transparent,
60px 40px 0 transparent,
64px 40px 0 transparent,
4px 44px 0 rgb(97, 39, 0),
8px 44px 0 rgb(97, 39, 0),
12px 44px 0 rgb(97, 39, 0),
16px 44px 0 rgb(97, 39, 0),
20px 44px 0 rgb(97, 39, 0),
24px 44px 0 rgb(133, 0, 0),
28px 44px 0 rgb(133, 0, 0),
32px 44px 0 rgb(97, 39, 0),
36px 44px 0 rgb(255, 75, 0),
40px 44px 0 transparent,
44px 44px 0 transparent,
48px 44px 0 rgb(235, 255, 37),
52px 44px 0 transparent,
56px 44px 0 transparent,
60px 44px 0 transparent,
64px 44px 0 transparent,
4px 48px 0 rgb(82, 16, 0),
8px 48px 0 rgb(82, 16, 0),
12px 48px 0 rgb(97, 39, 0),
16px 48px 0 rgb(97, 39, 0),
20px 48px 0 rgb(97, 39, 0),
24px 48px 0 rgb(97, 39, 0),
28px 48px 0 rgb(133, 0, 0),
32px 48px 0 rgb(97, 39, 0),
36px 48px 0 transparent,
40px 48px 0 transparent,
44px 48px 0 transparent,
48px 48px 0 transparent,
52px 48px 0 transparent,
56px 48px 0 transparent,
60px 48px 0 transparent,
64px 48px 0 transparent,
4px 52px 0 rgb(51, 10, 0),
8px 52px 0 rgb(82, 16, 0),
12px 52px 0 rgb(82, 16, 0),
16px 52px 0 rgb(97, 39, 0),
20px 52px 0 rgb(97, 39, 0),
24px 52px 0 rgb(97, 39, 0),
28px 52px 0 rgb(97, 39, 0),
32px 52px 0 rgb(133, 0, 0),
36px 52px 0 transparent,
40px 52px 0 rgb(235, 255, 37),
44px 52px 0 transparent,
48px 52px 0 transparent,
52px 52px 0 transparent,
56px 52px 0 transparent,
60px 52px 0 transparent,
64px 52px 0 transparent,
4px 56px 0 rgb(51, 10, 0),
8px 56px 0 rgb(51, 10, 0),
12px 56px 0 rgb(82, 16, 0),
16px 56px 0 rgb(82, 16, 0),
20px 56px 0 rgb(97, 39, 0),
24px 56px 0 rgb(97, 39, 0),
28px 56px 0 rgb(97, 39, 0),
32px 56px 0 rgb(97, 39, 0),
36px 56px 0 rgb(235, 255, 37),
40px 56px 0 transparent,
44px 56px 0 transparent,
48px 56px 0 transparent,
52px 56px 0 transparent,
56px 56px 0 transparent,
60px 56px 0 transparent,
64px 56px 0 transparent,
4px 60px 0 transparent,
8px 60px 0 rgb(51, 10, 0),
12px 60px 0 rgb(51, 10, 0),
16px 60px 0 rgb(82, 16, 0),
20px 60px 0 rgb(82, 16, 0),
24px 60px 0 rgb(97, 39, 0),
28px 60px 0 rgb(97, 39, 0),
32px 60px 0 transparent,
36px 60px 0 transparent,
40px 60px 0 transparent,
44px 60px 0 transparent,
48px 60px 0 transparent,
52px 60px 0 transparent,
56px 60px 0 transparent,
60px 60px 0 transparent,
64px 60px 0 transparent,
4px 64px 0 transparent,
8px 64px 0 transparent,
12px 64px 0 rgb(51, 10, 0),
16px 64px 0 rgb(51, 10, 0),
20px 64px 0 rgb(82, 16, 0),
24px 64px 0 rgb(97, 39, 0),
28px 64px 0 transparent,
32px 64px 0 transparent,
36px 64px 0 transparent,
40px 64px 0 transparent,
44px 64px 0 transparent,
48px 64px 0 transparent,
52px 64px 0 transparent,
56px 64px 0 transparent,
60px 64px 0 transparent,
64px 64px 0 transparent;
}

.animated {
	-webkit-animation-duration: 3s;
	animation-duration: 3s;
	-webkit-animation-fill-mode: both;
	animation-fill-mode: both;
	-webkit-animation-iteration-count: infinite;
	animation-iteration-count: infinite;
}

@keyframes inseki {
	from {
		animation-timing-function: linear;
		transform: translate(800px,-300px) scale(1,1) rotate(0deg) skew(0deg,0deg);
		opacity: 1.0;
	} to {
		animation-timing-function: linear;
		transform: translate(-700px,1200px) scale(1.5,1.5) rotate(0deg) skew(3deg,3deg);
		opacity: 1.0;
	} 20% {
		animation-timing-function: linear;
		transform: translate(500px,0px) scale(1.25,1.25) rotate(0deg) skew(1.5deg,1.5deg);
		opacity: 1.0;
	} 40% {
		animation-timing-function: linear;
		transform: translate(200px,300px) scale(1.5,1.5) rotate(0deg) skew(3deg,3deg);
		opacity: 1.0;
	} 
}

.inseki {
	-webkit-animation-name: inseki;
	animation-name: inseki;
	-webkit-transform-origin: center center;
	transform-origin: center center;
        overflow: hidden;
        position: fixed;
        z-index: -1;
}

/* inseki end */

.card {
    background: rgba(255, 74, 74, 0.1);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 30px;
    width: 90%;
    max-width: 500px;
    text-align: center;
    border: 1px solid rgba(255, 0, 0, 0.25);
    position: relative;
    z-index: 1;
    box-shadow: 0 8px 32px rgba(255, 0, 0, 0.2);
    margin: 0 auto;
}

.card-image {
    width: 100%;
    border-radius: 10px;
}

/*スマホ*/
@media (max-width: 768px) {
    body {
        padding: 10px 0;
    }

    .card {
        width: 85%;
        padding: 25px 20px;
        margin: 10px auto;
    }

    .icon {
        width: 30px;
        height: 30px;
        font-size: 15px;
    }
    
    .title {
        font-size: 24px;
    }
    
    .checkbox-label {
        font-size: 13px;
    }
    
    .checkbox-custom {
        width: 18px;
        height: 18px;
    }
}

.menu {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-top: 15px;
    margin-bottom: 30px;
}

.menu-item {
    position: relative;
    color: #d60064;
    font-size: 16px;
    text-decoration: none;
    transition: color 0.3s ease;
    padding-bottom: 5px;
}

.menu-item:hover {
    color: #ff9e9e;
}

.menu-item::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #fc0341, #fc8803);
    transition: width 0.3s ease, left 0.3s ease;
}

.menu-item:hover::after {
    width: 100%;
    left: 0;
}

/* フォームスタイル */
#contact-form {
    margin-top: 20px;
}

.form-group {
    margin-bottom: 20px;
    text-align: left;
}

.form-title {
    display: block;
    color: #ff6b6b;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 8px;
    text-shadow: 0 0 10px rgba(255, 74, 74, 0.3);
}

.required {
    color: #ff0000;
    font-weight: bold;
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 100, 100, 0.3);
    border-radius: 8px;
    color: #ffffff;
    font-size: 14px;
    font-family: 'Poppins', sans-serif;
    transition: all 0.3s ease;
    box-sizing: border-box;
}

.form-control:focus {
    outline: none;
    border-color: #ff6b6b;
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 15px rgba(255, 74, 74, 0.3);
}

.form-control::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

.submit-button {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, #fc0341, #fc8803);
    border: none;
    border-radius: 8px;
    color: #ffffff;
    font-size: 16px;
    font-weight: 600;
    font-family: 'Poppins', sans-serif;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 10px;
    box-shadow: 0 4px 15px rgba(252, 3, 65, 0.4);
}

.submit-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(252, 3, 65, 0.6);
}

.submit-button:active {
    transform: translateY(0);
}

.success-message {
    text-align: center;
    padding: 30px;
    animation: fadeIn 0.5s ease;
}

.success-message p {
    color: #4ade80;
    font-size: 20px;
    font-weight: 600;
    margin: 10px 0;
    text-shadow: 0 0 15px rgba(74, 222, 128, 0.5);
}

.success-message .sub-message {
    color: #ff9e9e;
    font-size: 14px;
    font-weight: 400;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* チェックボックスのスタイル */
.checkbox-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    color: #ff9e9e;
    font-size: 14px;
    user-select: none;
}

.checkbox-input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
}

.checkbox-custom {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 100, 100, 0.5);
    border-radius: 4px;
    margin-right: 10px;
    position: relative;
    transition: all 0.3s ease;
    flex-shrink: 0;
    background: rgba(255, 255, 255, 0.05);
}

.checkbox-input:checked + .checkbox-custom {
    background: linear-gradient(135deg, #fc0341, #fc8803);
    border-color: #fc0341;
}

.checkbox-input:checked + .checkbox-custom::after {
    content: "✓";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 14px;
    font-weight: bold;
}

.checkbox-text {
    line-height: 1.5;
}

/* エラーメッセージのスタイル */
.error-message {
    display: block;
    color: #ff3333;
    font-size: 12px;
    margin-top: 5px;
    text-align: left;
    min-height: 18px;
    text-shadow: 0 0 10px rgba(255, 51, 51, 0.5);
}

/* Safari用の追加スタイル */
@supports (-webkit-backdrop-filter: none) or (backdrop-filter: none) {
    .card {
        -webkit-backdrop-filter: blur(10px);
        backdrop-filter: blur(10px);
    }
}
/* Safari/iOSでぼかしが効かない場合の代替 */
@supports not ((-webkit-backdrop-filter: none) or (backdrop-filter: none)) {
    .card {
        background: rgba(20, 15, 40, 0.1);
    }
}