:root {
    --packing-red: #c8161d;
    --packing-red-dark: #891117;
    --packing-blue: #1f6fae;
    --packing-navy: #18344f;
    --packing-text: #2d3d4d;
    --packing-muted: #637587;
    --packing-border: #dce5ec;
    --packing-pale: #f5f9fc;
    --packing-shadow: 0 10px 28px rgba(24, 52, 79, 0.08);
}

body.packing-guide-page {
    color: var(--packing-text);
    font-family: "Avenir", "Helvetica Neue", Helvetica, Arial, "Hiragino Sans", "ヒラギノ角ゴシック", YuGothic, "Yu Gothic", メイリオ, Meiryo, sans-serif;
}

.packing-guide-page #Main,
.packing-guide-page #Main * {
    box-sizing: border-box;
}

.packing-guide-page #Flame {
    display: flex;
    flex-direction: column;
}

.packing-guide-page #Contents {
    display: flex;
    flex-direction: column;
    margin: auto;
}

.packing-guide-page #Bread {
    display: flex;
    width: 70%;
    margin: 10px auto -10px;
}

.packing-guide-page #mein-Contents {
    display: flex;
    justify-content: center;
    width: 100%;
    gap: 1em;
    margin: 20px auto 0;
    padding: 0;
}

.packing-guide-page #sideMenu {
    float: left;
    width: 18%;
    padding-bottom: 20px;
}

.packing-guide-page #Main {
    float: right;
    width: 52%;
    min-width: 0;
}

.packing-guide-inner {
    width: 100%;
}

.packing-guide-page h1.pageTitle {
    margin: 0 0 20px;
    padding: 1rem 1.5rem;
    border-bottom: 3px solid var(--packing-blue);
    background: #efefef;
    color: var(--packing-navy);
    font-size: clamp(1.55rem, 2.6vw, 2.25rem);
    line-height: 1.45;
}

.packing-intro {
    padding: clamp(24px, 4vw, 38px);
    border: 1px solid #d8e5ee;
    border-radius: 18px;
    background: linear-gradient(135deg, #fff 0%, #f7fbff 62%, #fff8f8 100%);
    box-shadow: var(--packing-shadow);
}

.packing-kicker,
.packing-section-label {
    margin: 0 0 8px;
    color: var(--packing-red);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.12em;
}

.packing-intro h2,
.packing-faq > h2,
.packing-related > h2 {
    margin: 0 0 14px;
    color: var(--packing-navy);
    font-size: clamp(1.3rem, 2.2vw, 1.9rem);
    line-height: 1.5;
}

.packing-intro > p:not(.packing-kicker),
.packing-section > p,
.packing-faq p {
    margin: 0;
    color: var(--packing-muted);
    font-size: 1rem;
    line-height: 1.9;
    text-align: left;
}

.packing-toc {
    margin-top: 30px;
    padding: 22px;
    border: 1px solid var(--packing-border);
    border-radius: 14px;
    background: var(--packing-pale);
}

.packing-toc > p {
    margin: 0 0 14px;
    color: var(--packing-navy);
    font-weight: 800;
    line-height: 1.5;
}

.packing-toc ul,
.packing-related ul {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.packing-toc a,
.packing-related a {
    display: flex;
    min-width: 0;
    height: 100%;
    flex-direction: column;
    gap: 4px;
    padding: 15px 17px;
    border: 1px solid var(--packing-border);
    border-radius: 10px;
    background: #fff;
    color: var(--packing-text);
    text-decoration: none;
}

.packing-toc a:hover,
.packing-related a:hover {
    border-color: var(--packing-blue);
    background: #f5faff;
}

.packing-toc strong,
.packing-related strong {
    color: var(--packing-blue);
    font-size: 1rem;
    line-height: 1.45;
}

.packing-toc span,
.packing-related span {
    color: var(--packing-muted);
    font-size: 0.86rem;
    line-height: 1.5;
}

.packing-section {
    margin-top: clamp(42px, 6vw, 68px);
    padding: clamp(22px, 4vw, 34px);
    border: 1px solid var(--packing-border);
    border-radius: 18px;
    background: #fff;
    box-shadow: var(--packing-shadow);
    scroll-margin-top: 24px;
}

.packing-section-heading {
    margin-bottom: 22px;
    padding-bottom: 17px;
    border-bottom: 2px solid #e7edf2;
}

.packing-section-heading h2 {
    margin: 0;
    color: var(--packing-navy);
    font-size: clamp(1.25rem, 2.2vw, 1.8rem);
    line-height: 1.5;
}

.packing-note,
.packing-warning {
    display: flex;
    flex-direction: column;
    gap: 5px;
    margin-top: 22px;
    padding: 16px 18px;
    border-left: 4px solid var(--packing-red);
    border-radius: 10px;
    background: #fff1f2;
    color: #7a1118;
    line-height: 1.75;
}

.packing-note-blue {
    border-left-color: var(--packing-blue);
    background: #f0f7fd;
    color: var(--packing-navy);
}

.packing-note strong,
.packing-warning strong {
    font-size: 1rem;
}

.packing-note span,
.packing-warning span {
    font-size: 0.92rem;
}

.packing-check-list {
    margin: 20px 0 0;
    padding: 0;
    list-style: none;
}

.packing-check-list li {
    position: relative;
    margin-top: 10px;
    padding-left: 1.55em;
    color: var(--packing-muted);
    line-height: 1.85;
}

.packing-check-list li::before {
    position: absolute;
    top: 0.08em;
    left: 0;
    color: var(--packing-red);
    content: "●";
    font-size: 0.72em;
}

.packing-inline-links {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 22px;
}

.packing-inline-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 8px 15px;
    border: 1px solid var(--packing-blue);
    border-radius: 999px;
    background: #fff;
    color: var(--packing-blue);
    font-weight: 700;
    line-height: 1.45;
    text-decoration: none;
}

.packing-inline-links a:hover {
    background: #f0f7fd;
}

.packing-faq,
.packing-related {
    margin-top: clamp(42px, 6vw, 68px);
}

.packing-faq details {
    margin-top: 12px;
    border: 1px solid var(--packing-border);
    border-radius: 10px;
    background: #fff;
    overflow: hidden;
}

.packing-faq summary {
    position: relative;
    padding: 16px 48px 16px 18px;
    color: var(--packing-navy);
    font-weight: 800;
    line-height: 1.6;
    cursor: pointer;
    list-style: none;
}

.packing-faq summary::-webkit-details-marker {
    display: none;
}

.packing-faq summary::after {
    position: absolute;
    top: 50%;
    right: 18px;
    color: var(--packing-blue);
    content: "+";
    font-size: 1.4rem;
    transform: translateY(-50%);
}

.packing-faq details[open] summary::after {
    content: "−";
}

.packing-faq details p {
    padding: 0 18px 18px;
}

@media screen and (max-width: 1024px) {
    .packing-guide-page #Bread {
        width: 92%;
    }

    .packing-guide-page #mein-Contents {
        width: 96%;
    }

    .packing-guide-page #sideMenu {
        width: 24%;
    }

    .packing-guide-page #Main {
        width: 70%;
    }
}

@media screen and (max-width: 768px) {
    .packing-guide-page #Bread {
        width: 94%;
        margin-bottom: 0;
    }

    .packing-guide-page #mein-Contents {
        display: block;
        width: 100%;
        margin-top: 10px;
    }

    .packing-guide-page #sideMenu {
        display: none;
    }

    .packing-guide-page #Main {
        float: none;
        width: 100%;
        padding: 0 14px 40px;
    }

    .packing-guide-page h1.pageTitle {
        padding: 0.9rem 1rem;
        font-size: 1.45rem;
    }

    .packing-intro,
    .packing-section {
        padding: 20px 17px;
        border-radius: 13px;
    }

    .packing-toc {
        padding: 17px;
    }

    .packing-toc ul,
    .packing-related ul {
        grid-template-columns: 1fr;
    }

    .packing-inline-links {
        flex-direction: column;
    }

    .packing-inline-links a {
        width: 100%;
        border-radius: 8px;
    }
}

@media screen and (max-width: 420px) {
    .packing-guide-page #Main {
        padding-right: 10px;
        padding-left: 10px;
    }

    .packing-intro h2,
    .packing-faq > h2,
    .packing-related > h2 {
        font-size: 1.25rem;
    }

    .packing-section-heading h2 {
        font-size: 1.18rem;
    }
}