:root {
    --main-pink: #F5B4C4;
    --accent-blue: #A0D8EF;
    --base-bg: #FDF8F9;
    --text-color: #333333;
    --link-blue: #4A789C;
    --white: #FFFFFF;
}

body {
    font-family: 'Helvetica Neue', Arial, 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', Meiryo, sans-serif;
    margin: 0;
    line-height: 1.8;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px;
}

section {
    padding: 60px 0;
    text-align: center;
}

.section-title {
    font-size: 2rem;
    margin-bottom: 40px;
    color: var(--link-blue);
    line-height: 1.4;
}

.hero {
    background-color: var(--main-pink);
    background-image: url("data:image/svg+xml,%3Csvg width='80' height='80' viewBox='0 0 80 80' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.1'%3E%3Cpath d='M0 0h40v40H0V0zm40 40h40v40H40V40z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    color: var(--text-color);
    padding: 80px 0;
    text-align: center;
}

.hero h2 {
    font-size: 2.5rem;
    margin: 0;
    line-height: 1.4;
}

.problem-lead {
    font-size: 1.2rem;
    margin-top: 20px;
}

.affinity {
    background-color: var(--white);
}

.problem-list ul {
    background-color: #f7f7f7;
    border-radius: 8px;
    padding: 25px 30px 25px 50px;
    list-style: none;
    margin: 0;
}

.problem-list li {
    text-align: left;
    position: relative;
    padding-bottom: 15px;
    line-height: 1.7;
}

.problem-list li:last-child {
    padding-bottom: 0;
}

.problem-list li::before {
    content: '✔';
    position: absolute;
    left: -25px;
    color: var(--main-pink);
    font-weight: bold;
}

.shohin .shohin_border {
    background-color: #fff;
    border: 1px solid #eee;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    text-align: left;

    display: flex;
    flex-direction: column;
    height: 100%;
}

.shohin .shohin_photo {
    width: 100%;
    height: auto;
    border-radius: 8px;
    margin-bottom: 15px;
}

.shohin .shohin_name {
    font-size: 1.1rem;
    line-height: 1.5;
    margin-bottom: 10px;
}

.shohin .shohin_detail {
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 25px;
    flex-grow: 1;
}

.shohin .cart_in_button {
    width: 90%;
    max-width: 280px;
    align-self: center;
    padding: 12px 20px;
    font-size: 1rem;
    background-color: #FF8400;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    text-decoration: none;

    position: relative;
    z-index: 1;
    overflow: hidden;
}

.shohin .cart_in_button:hover {
    animation: pudding-animation 0.6s ease-out;
}

@keyframes pudding-animation {
    0% { transform: scale(1); }
    25% { transform: scale(0.95); }
    50% { transform: scale(1.05); }
    75% { transform: scale(0.98); }
    100% { transform: scale(1); }
}

.shohin .cart_in_button::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.2);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.shohin .cart_in_button:hover::before {
    opacity: 1;
}

.faq {
    background-color: var(--white);
}
.faq-list {
    max-width: 700px;
    margin: 0 auto;
    text-align: left;
}
.faq-question {
    background-color: var(--base-bg);
    padding: 15px 20px;
    cursor: pointer;
    font-weight: bold;
    border-bottom: 1px solid #ddd;
    position: relative;
}
.faq-question::after {
    content: '+';
    position: absolute;
    right: 20px;
    font-size: 1.5rem;
    color: var(--main-pink);
    transition: transform 0.3s;
}
.faq-question.open::after {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0 20px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease, padding 0.5s ease;
    margin: 0;
}
.faq-answer.open {
    padding: 20px;
    max-height: 200px;
}

#tokutei {
    background-color: var(--white);
    padding: 60px 20px;
}

#tokutei h3 {
    text-align: center;
    color: var(--link-blue);
    font-size: 1.5rem;
    margin-top: 0;
    margin-bottom: 2em;
}

#tokutei table {
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
    border-collapse: collapse;
    font-size: 13px;
}

#tokutei th,
#tokutei td {
    border: 1px solid #ccc;
    padding: 12px 15px;
    text-align: left;
    vertical-align: top;
}

#tokutei th {
    background-color: var(--base-bg);
    font-weight: bold;
    width: 25%;
}

#privacy {
    color: var(--text-color);
    line-height: 1.8;
    padding: 60px 15px;
    background-color: var(--white);
}

#privacy h3,
#privacy h4 {
    text-align: center;
    color: var(--link-blue);
}

#privacy h3 {
    font-size: 1.5rem;
    margin-bottom: 2em;
}

#privacy h4 {
    font-size: 1.2rem;
    margin-top: 2.5em;
    margin-bottom: 1em;
}

#privacy p,
#privacy ul,
#privacy ol {
    text-align: left;
    margin: 0 auto 1em auto;
    max-width: 900px;
    padding: 0 20px;
}

#privacy ul,
#privacy ol {
    padding-left: 3.5em;
}

#privacy .red {
    color: var(--text-color);
}

.footer {
    background-color: var(--link-blue);
    color: var(--white);
    padding: 20px 0;
    text-align: center;
    font-size: 0.9rem;
}

/* =================================== */
/* レスポンシブ対応 (スマートフォン表示) */
/* =================================== */
@media (max-width: 768px) {
    section {
        padding: 40px 0;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .hero {
        padding: 60px 0;
    }
    .hero h2 {
        font-size: 2rem;
    }
    .problem-lead {
        font-size: 1rem;
    }
    #privacy h3 {
        font-size: 1.4rem;
    }
    #privacy h4 {
        font-size: 1.1rem;
    }
    #tokutei {
        padding: 40px 15px;
    }
    #tokutei h3 {
        font-size: 1.4rem;
    }
    #tokutei table,
    #tokutei tbody,
    #tokutei tr,
    #tokutei th,
    #tokutei td {
        display: block;
        width: 100%;
        box-sizing: border-box;
    }
    #tokutei tr {
        margin-bottom: 15px;
    }
    #tokutei th {
        border: 1px solid #ccc;
        border-bottom: none;
        text-align: center;
    }
    #tokutei td {
        border: 1px solid #ccc;
    }
}