/* General Body Styles */
body {
    font-family: 'Noto Sans JP', sans-serif;
    background-color: #fff;
    color: #1f2937; /* text-gray-800 */
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    margin: 0;
}

/* Visually Hidden Class for Accessibility */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Container */
.container {
    max-width: 64rem; /* max-w-5xl */
    margin-left: auto;
    margin-right: auto;
    padding: 4rem 1rem; /* py-16 px-4 */
}

/* Title Section */
.title-section {
    text-align: center;
    margin-bottom: 4rem; /* mb-16 */
}

.logo-title {
    margin: 0 auto 1rem; /* mx-auto mb-4 */
    height: 2.5rem; /* h-10 */
    object-fit: contain;
}

.title-section h1 {
    font-size: 2.25rem; /* text-4xl */
    line-height: 2.5rem;
    font-weight: 700; /* font-bold */
    color: #111827; /* text-gray-900 */
    letter-spacing: -0.025em; /* tracking-tight */
    margin: 0;
}

/* Steps Section */
.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3rem; /* gap-12 */
    padding: 3rem 0; /* py-12 */
}
.steps-container .step:first-child {
    padding-top: 0;
}
.steps-container .step:not(:first-child) {
    border-top: 1px solid #e5e7eb; /* border-t border-gray-200 */
}

.step-text, .step-image {
    width: 100%;
}

.step-label {
    color: #06b6d4; /* text-cyan-500 */
    font-weight: 700; /* font-bold */
    font-size: 1.25rem; /* text-xl */
    letter-spacing: 0.05em; /* tracking-wider */
    margin: 0 0 0.5rem 0;
}

.step-text h3 {
    margin: 0.5rem 0 1rem 0;
    font-size: 1.875rem; /* text-3xl */
    line-height: 2.25rem;
    font-weight: 700; /* font-bold */
    color: #1f2937; /* text-gray-800 */
}

.step-text p {
    color: #4b5563; /* text-gray-600 */
    line-height: 1.75; /* leading-relaxed */
    margin: 1rem 0 0 0;
}

.step-image img {
    border-radius: 0.5rem; /* rounded-lg */
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05); /* shadow-lg */
    width: 100%;
    height: auto;
    object-fit: cover;
    background-color: #f3f4f6;
    display: block;
}

/* Notes Section */
.notes-section {
    margin-top: 6rem; /* mt-24 */
    padding: 2rem; /* p-8 */
    background-color: #f9fafb; /* bg-gray-50 */
    border-radius: 1rem; /* rounded-2xl */
    border: 1px solid #e5e7eb; /* border-gray-200 */
}

.notes-section h2 {
    font-size: 1.5rem; /* text-2xl */
    font-weight: 700; /* font-bold */
    text-align: center;
    color: #1f2937; /* text-gray-800 */
    margin: 0 0 1.5rem 0; /* mb-6 */
}

.notes-section ul {
    list-style-type: disc;
    list-style-position: inside;
    padding-left: 0;
    margin: 0 auto;
    max-width: 56rem; /* max-w-3xl */
    color: #374151; /* text-gray-700 */
}

.notes-section li {
    margin-bottom: 1rem; /* space-y-4 */
}
.notes-section li:last-child {
    margin-bottom: 0;
}

/* CTA Section */
.cta-section {
    margin-top: 6rem; /* mt-24 */
    text-align: center;
}

.cta-section h2 {
    font-size: 1.875rem; /* text-3xl */
    font-weight: 700; /* font-bold */
    color: #111827; /* text-gray-900 */
    margin: 0;
}

.cta-section p {
    margin-top: 1rem; /* mt-4 */
    font-size: 1.125rem; /* text-lg */
    color: #4b5563; /* text-gray-600 */
}

.cta-button {
    display: inline-block;
    margin-top: 2rem; /* mt-8 */
    background-image: linear-gradient(to right, #22d3ee, #3b82f6); /* bg-gradient-to-r from-cyan-400 to-blue-500 */
    color: #fff;
    font-weight: 700; /* font-bold */
    font-size: 1.125rem; /* text-lg */
    padding: 1rem 3rem; /* py-4 px-12 */
    border-radius: 9999px; /* rounded-full */
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05); /* shadow-lg */
    text-decoration: none;
    transition: all 0.3s ease-in-out;
}

.cta-button:hover {
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04); /* hover:shadow-xl */
    transform: translateY(-0.25rem); /* hover:-translate-y-1 */
}

/* Responsive adjustments */

/* sm: 640px */
@media (min-width: 640px) {
    .container {
        padding: 6rem 1.5rem; /* sm:py-24 sm:px-6 */
    }
}

/* md: 768px */
@media (min-width: 768px) {
    .title-section h1 {
        font-size: 3rem; /* md:text-5xl */
        line-height: 1;
    }
    .step {
        flex-direction: row; /* md:flex-row */
        gap: 4rem;
    }
    .step-text {
        width: 50%; /* md:w-1/2 */
        flex-shrink: 0;
    }
    .step-image {
        width: 50%; /* md:w-1/2 */
        margin-top: 0; /* md:mt-0 */
    }
}

/* lg: 1024px */
@media (min-width: 1024px) {
    .container {
        padding-left: 2rem; /* lg:px-8 */
        padding-right: 2rem;
    }
}