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

html {
    font-size: 62.5%;
    scroll-behavior: smooth;
}

body {
    font-family: 'CircularXX', 'Noto Sans JP', sans-serif;
    font-size: 1.6rem;
    line-height: 1.8;
    color: #1a1a1a;
    background-color: #f7f7f7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
main{
    overflow: hidden;
}
img {
    max-width: 100%;
    height: auto;
    vertical-align: middle;
}

a {
    color: inherit;
    text-decoration: none;
    transition: opacity 0.3s ease;
}

a:hover {
    opacity: 0.7;
}

ul, ol {
    list-style: none;
}

button {
    background: none;
    border: none;
    cursor: pointer;
    font-family: inherit;
}

/* Utility Classes */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.container-wide {
    width: 100%;
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 40px;
}

/* Hide elements */
.pc-only {
    display: block;
}
.sp-only {
    display: none;
}

@media screen and (max-width: 768px) {
    .pc-only {
        display: none;
    }
    .sp-only {
        display: block;
    }
}

/* Screen reader only */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Color Variables as classes */
.bg-yellow {
    background-color: #E8C800;
}

.bg-gray {
    background-color: #F0F0F0;
}

.bg-white {
    background-color: #FFFFFF;
}

.text-black {
    color: #1a1a1a;
}

.text-white {
    color: #FFFFFF;
}