@charset "UTF-8";
body {
    font-family: 'Noto Serif JP', serif;
    line-height: 1.8;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
    background:url(../img/background/white-background.png) center no-repeat;
    background-size:cover;
}
.star-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}
.shooting-star {
    position: absolute;
    background: linear-gradient(180deg, rgba(0,74,173,1) 0%, rgba(0,74,173,0) 100%);
    animation: shoot linear infinite;
}
@keyframes shoot {
    0% {
        transform: translateY(-10vh);
        opacity: 1;
    }
    100% {
        transform: translateY(110vh);
        opacity: 0;
    }
}
.show-nav{
    padding-top: 50px;
    width: 300px;
    margin:auto;
}
main {
    padding: 4rem 1rem;
    width: 90%;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}
.title-wrapper {
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
    padding: 2rem 0;
}
.title-wrapper::before,
.title-wrapper::after {
    content: '';
    position: absolute;
    left: 50%;
    width: 100vw;
    height: 2px;
    background: linear-gradient(90deg, rgba(0,74,173,0) 0%, rgba(0,74,173,1) 25%, rgba(0,74,173,1) 75%, rgba(0,74,173,0) 100%);
    transform: translateX(-50%);
}
.title-wrapper::before {
    top: 0;
}
.title-wrapper::after {
    bottom: 0;
}
.recommend-h1 {
    font-weight: 700;
    font-size: 2.5rem;
    margin: 0;
    text-align: center;
    color: #004aad;
    letter-spacing: 2px;
    position: relative;
    display: inline-block;
    padding: 0.5em 0;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
}
.recommend-h1 span {
    display: inline-block;
    opacity: 0;
    transform: rotateY(-90deg);
    animation: flipIn 0.5s ease-out forwards;
}
@keyframes flipIn {
    from {
        opacity: 0;
        transform: rotateY(-90deg);
    }
    to {
        opacity: 1;
        transform: rotateY(0);
    }
}
.event-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}
.event {
    background-color: #ffffff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,74,173,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    animation: float 4s ease-in-out infinite;
}
.event:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(0,74,173,0.2);
}
.event:nth-child(2) {
    animation-delay: 0.5s;
}
.event:nth-child(3) {
    animation-delay: 1s;
}
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}
.event-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: transform 0.3s ease;
}
.event:hover .event-image {
    transform: scale(1.05);
}
.event-content {
    padding: 1.5rem;
}
.event h2 {
    color: #004aad;
    font-size: 1.4rem;
    margin-top: 0;
    margin-bottom: 1rem;
}
.event p {
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}
.map-link-btn {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background-color: #004aad;
    color: #ffffff;
    text-decoration: none;
    border-radius: 30px;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    border: 2px solid #004aad;
    position: relative;
    overflow: hidden;
}
.map-link-btn:hover {
    background-color: #ffffff;
    color: #004aad;
}
.map-link-btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 5px;
    height: 5px;
    background: rgba(255, 255, 255, 0.5);
    opacity: 0;
    border-radius: 100%;
    transform: scale(1, 1) translate(-50%);
    transform-origin: 50% 50%;
}
@keyframes ripple {
    0% {
        transform: scale(0, 0);
        opacity: 1;
    }
    20% {
        transform: scale(25, 25);
        opacity: 1;
    }
    100% {
        opacity: 0;
        transform: scale(40, 40);
    }
}
.map-link-btn:focus:not(:active)::after {
    animation: ripple 1s ease-out;
}
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}
@media (max-width: 768px) {
    main {
        padding: 2rem 1rem;
    }
    .recommend-h1 {
        font-size: 2rem;
    }
    .event-grid {
        grid-template-columns: 1fr;
    }
    .event-image {
        height: 200px;
    }
    .event h2 {
        font-size: 1.2rem;
    }
    .event p {
        font-size: 0.9rem;
    }
    .map-link-btn {
        display: block;
        text-align: center;
        width: 50%;
        margin:10px auto;
    }
}
@media (max-width: 480px) {
    .show-nav{
        width: 150px;
    }
    .recommend-h1{
        font-size: 1.5rem;
    }
    .event-image {
        height: 180px;
    }
    .event-content {
        padding: 1rem;
    }
    .event h2 {
        font-size: 1.1rem;
    }
    .event p {
        font-size: 0.85rem;
    }
}