body {
    background-color: #f5f5f5;
    font-family: 'M PLUS 1p', sans-serif;
    color: #333;
    margin: 0;
    padding: 0;
    line-height: 1.8;
    overflow-x: hidden;
}

*, *::before, *::after {
    box-sizing: border-box;
}


#about, #recommend, #lineup, #contact {
    background-color: inherit;
    padding: 60px 20px;
}

header {
    font-family: 'M PLUS Rounded 1c', sans-serif;
    padding: 0.5rem 1rem;
    background-color: #f8f5f2;
    color: #6486EC;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-sizing: border-box;
}

.logo {
    font-size: 2rem;
    font-weight: bold;
    letter-spacing: 0.05em;
}

.hamburger {
    position: static;
    cursor: pointer;
    width: 36px;
    height: 28px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    z-index: 1001;
    margin-left: auto;
}


.hamburger span {
    height: 4px;
    width: 100%;
    background: #6486EC;
    border-radius: 2px;
    transition: 0.3s;
}

.hamburger.open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
.hamburger.open span:nth-child(2) {
    opacity: 0;
}
.hamburger.open span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

h2 {
    color: #6486ec;
    text-align: center;
    font-family: 'Kiwi Maru', serif;
    font-size: 2rem;
}

.heading-jp {
    font-family: 'M PLUS Rounded 1c', sans-serif;
    font-weight: 500;
}

.nav {
    position: fixed;
    top: 0;
    left: -100%;
    width: 60vw;
    height: 100vh;
    background: #f4b942;
    backdrop-filter: blur(4px);
    display: flex;
    justify-content: flex-start;
    align-items: center;
    transition: left 0.3s ease;
    z-index: 999;
    padding-left: 2rem;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
    border-top-right-radius: 12px;
    border-bottom-right-radius: 12px;
}

.nav.open {
    left: 0;
}

.nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    text-align: left;
}

.nav li {
    margin: 20px 0;
    opacity: 0;
    transform: translateY(20px);
}

.nav.open li {
    animation: fadeUp 0.5s ease forwards;
}

.nav li:nth-child(1) { animation-delay: 0.1s; }
.nav li:nth-child(2) { animation-delay: 0.2s; }
.nav li:nth-child(3) { animation-delay: 0.3s; }
.nav li:nth-child(4) { animation-delay: 0.4s; }
.nav li:nth-child(5) { animation-delay: 0.5s; }

@keyframes fadeUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

nav a {
    text-decoration: none;
    color: rgba(255,255,255,0.9);
    font-weight: bold;
    font-size: 1.8rem;
    display: inline-block;
    transition:  opacity 0.3s;
}

nav a:hover {
    opacity: 0.6;
}

.nav a .jp {
    display: block;
    font-size: 0.8rem;
    font-weight: normal;
    opacity: 0.7;
    margin-top: 2px;
}

.nav-logo a {
    font-size: 1.5rem;
    font-weight: normal;
    color: #fff;
    margin-top: 2rem;
    margin-bottom: 60px;
}


.story-text {
    color: #777;
    font-size: 1rem;
    line-height: 1.8;
    text-align: center;
    margin-bottom: 1.5rem;
}

.about-inner {
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
}

.about-inner p {
    font-size: 1.1rem;
    line-height: 1.9;
    margin-bottom: 1.2rem;
}

.sub-title {
    font-size: 0.9rem;
    color: #666;
    margin-top: -0.5rem;
    margin-bottom: 1.5rem;
}

#about {
    padding-bottom: 1.5rem;
    background-color: #f5f5f5;
}

#recommend {
    padding-top: 0.5rem;
}

.section-description {
    color: #777;
    font-size: 1rem;
    line-height: 1.9;
    margin-top: 0.5rem;
    margin-bottom: 3.5rem;
    text-align: center;
}

#recommend h2,
#lineup h2 {
    text-align: center;
}

.swiper {
    width: 90%;
    max-width: 800px;
    margin: 0 auto;
    padding-bottom: 60px;
    position: relative;
}

#recommend .swiper-pagination {
    position: absolute;
    bottom: 10px;
    left: 0;
    right: 0;
    text-align: center;
}

#lineup .swiper-pagination {
    position: absolute;
    bottom: 10px;
    left: 0;
    right: 0;
    text-align: center;
}

.swiper-slide {
    text-align: center;
    background: #fff;
}

.swiper-slide img {
    max-width: 400px;
    width: 100%;
    height: auto;
    display: block;
    margin: 0 auto 1rem;
    border-radius: 12px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.swiper,
.swiper-slide {
    max-width: 100%;
    overflow-wrap: break-word;
}

.swiper-slide img:hover {
    transform: scale(1.05);
    box-shadow:  0 10px 20px rgba(0, 0, 0, 0.15);
}

.swiper-slide h3 {
    margin-top: 1.5rem;
    font-size: 1.2rem;
    font-weight: 600;
    color: #444;
}

.swiper-slide p {
    font-size: 1rem;
    color: #555;
    line-height: 1.5;
    margin-top: 0.5rem;
}

.swiper-pagination-bullet {
    background: #ccc;
    opacity: 1;
}

#recommend .swiper-slide {
    padding-bottom: 2rem;
}

.menu-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.tab-button {
    border-radius: 30px;
    background: #f6e0e9;
    color: #333;
    padding: 8px 20px;
    border: none;
    margin: 5px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s ease;
}

.tab-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.tab-button.active {
    background-color: #6486EC;
    color: white;
}

.menu-group {
    display: none;
}

.menu-group.active {
    display: block;
}

.bagel-name {
    font-size: 1rem;
    margin-top: 0.5rem;
    color: #333;
}

#lineup .swiper-slide {
    width: 100% !important;
    box-sizing: border-box;
    background: #fff;
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.08);
    text-align: center;
}

#lineup .swiper {
    width: 100%;
    max-width: 480px;
    margin: 0 auto;
}

#lineup .swiper-wrapper {
    display: flex;
    align-items: stretch;
}

#lineup .swiper-slide img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: none;
    margin-bottom: 1rem;
}

#lineup .bagel-name {
    font-size: 1rem;
    color: #333;
    margin-top: 0.5rem;
}

#contact {
    text-align: center;
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
    border: 2px solid #f6e0e9;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    background-color: white;
}

footer {
    text-align: center;
}

#recommend {
    background-color: #ffffff;
}

#lineup {
    background-color: #f5f5f5;
}

#contact {
    background-color: #ffffff;
}

.wave-top {
    line-height: 0;
    overflow: hidden;
    position: relative;
    z-index: 1;
    margin-top: -1px;
}

.wave-top svg {
    display: block;
    width: 100%;
    height: 100px;
}

#recommend,
#lineup,
#contact {
    position: relative;
    z-index: 0;
}

.form-wrapper {
    max-width: 680px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

.google-form {
    width: 100%;
    height: 1000px;
    border: none;
    display: block;
    background-color: transparent;
}

@media screen and (max-width: 768px) {
    header {
    padding: 1rem;
    font-size: 1rem;
    }

    .logo {
    font-size: 1.5rem;
    }

    .hamburger {
    width: 30px;
    height: 24px;
    }

    .hamburger span {
    height: 3px;
    }

    .nav {
    width: 80vw;
    padding-left: 1.5rem;
    }

    nav a {
    font-size: 1.5rem;
    }

    .nav a .jp {
    font-size: 0.7rem;
    }

    .nav-logo a {
    font-size: 1.2rem;
    margin-bottom: 40px;
    }

    section,
    #about, #recommend, #lineup, #contact {
    padding: 40px 16px;
    }

    h2 {
    font-size: 1.5rem;
    }

    #about {
        padding-top: 100px;
    }

    .about-inner {
        padding: 1rem;
        max-width: 100%;
        text-align: center; /* 「ベーグル研究所について」だけ中央に */
    }

    .story-text,
.section-description {
    text-align: left;
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 1.2rem;
    word-break: keep-all;
}

.about-inner,
.section-description,
.story-text {
    padding-left: 1rem;
    padding-right: 1rem;
    max-width: 100%;
    width: 100%;
    word-break: break-word;
}

.swiper {
    width: 95%;
    padding-bottom: 120px;
}

.swiper-slide {
    padding-bottom: 100px;
    min-height: auto;
}

.swiper-slide img {
    max-width: 100%;
}

.swiper-slide p {
    margin-bottom: 2rem;
    font-size: 0.9rem;
}

.swiper-wrapper {
    flex-wrap: nowrap !important;
}

    .menu-tabs {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
    }

    .tab-button {
    flex: 0 1 calc(48% - 0.5rem);
    text-align: center;
    padding: 10px;
    font-size: 14px;
    white-space: nowrap;
    }

    .bagel-name {
    font-size: 0.9rem;
    }

    .contact-form {
    padding: 16px;
    }
}