* {
    box-sizing: border-box;
}

html {
    overflow-y: scroll;
}

body {
    margin: 0 auto;
    background:
        radial-gradient(circle at 18% 0, rgba(150, 68, 160, 0.26), transparent 32vw),
        linear-gradient(180deg, #241c38 0, #151024 360px, #100b1d 100%);
    color: #fff;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
    line-height: 1.75;
}

body::before {
    background-image: linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px), linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px);
    background-size: 38px 38px;
    content: "";
    inset: 0;
    pointer-events: none;
    position: fixed;
    z-index: -1;
}

a {
    color: inherit;
    text-decoration: none;
}

@media (min-width: 1024px) {
    body {
        max-width: 1520px;
    }
}

.blog-shell {
    margin: 0 auto;
    width: min(100%, calc(100% - 20px));
}

.blog-main,
.article-main {
    padding: 6px 0 54px;
}

.blog-layout {
    align-items: start;
    display: grid;
    gap: 18px;
    grid-template-columns: minmax(0, 1fr) 334px;
}

.blog-panel,
.post-card,
.empty-card,
.article-card {
    background: rgba(62, 42, 91, 0.92);
    border: 1px solid rgba(156, 129, 190, 0.35);
    border-radius: 12px;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04), 0 14px 34px rgba(0, 0, 0, 0.22);
}

.blog-index-panel,
.sidebar-panel {
    padding: 16px;
}

.panel-title {
    background: linear-gradient(90deg, #7a397b 0, #523272 100%);
    border: 1px solid rgba(189, 136, 216, 0.36);
    border-radius: 10px;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
    color: #fff;
    font-size: 20px;
    font-weight: 900;
    line-height: 1.2;
    margin: 0 0 14px;
    padding: 10px 12px;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.28);
}

.post-list {
    display: grid;
    gap: 12px;
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.post-card {
    overflow: hidden;
    transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.post-card:hover {
    border-color: rgba(235, 86, 204, 0.7);
    box-shadow: 0 16px 34px rgba(0, 0, 0, 0.34);
    transform: translateY(-2px);
}

.post-card a {
    display: block;
    height: 100%;
    padding: 6px;
}

.post-card-image-wrap {
    border-radius: 8px;
    min-height: 340px;
    overflow: hidden;
    position: relative;
}

.post-card-image-wrap img,
.post-card-placeholder {
    aspect-ratio: 3 / 4;
    display: block;
    height: 340px;
    object-fit: cover;
    width: 100%;
}

.post-card-placeholder {
    align-items: center;
    background: linear-gradient(135deg, #2d2148, #734075);
    color: rgba(255, 255, 255, 0.58);
    display: flex;
    font-size: 22px;
    font-weight: 900;
    justify-content: center;
}

.post-card h2 {
    background: linear-gradient(90deg, rgba(126, 86, 223, 0.9), rgba(239, 82, 179, 0.9));
    bottom: 18px;
    color: #fff;
    font-size: 16px;
    font-weight: 900;
    left: 0;
    line-height: 1.35;
    margin: 0;
    padding: 5px 10px;
    position: absolute;
    right: 0;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.45);
}

.post-card time,
.article-date {
    color: #fff;
    display: block;
    font-size: 13px;
    margin: 8px 2px 0;
}

.post-card p {
    color: #fff;
    font-size: 13px;
    font-weight: 700;
    line-height: 1.55;
    margin: 10px 2px 8px;
}

.blog-sidebar {
    display: grid;
    gap: 18px;
}

.keyword-form {
    display: grid;
    gap: 8px;
    grid-template-columns: minmax(0, 1fr) auto;
    margin-bottom: 12px;
}

.keyword-form input {
    background: #3b3359;
    border: 1px solid rgba(184, 167, 214, 0.28);
    border-radius: 12px;
    color: #fff;
    font: inherit;
    font-weight: 700;
    min-width: 0;
    padding: 13px 14px;
}

.keyword-form input::placeholder {
    color: #c9bbdc;
}

.keyword-form button {
    background: #d94fdc;
    border: 0;
    border-radius: 12px;
    color: #fff;
    cursor: pointer;
    font: inherit;
    font-weight: 900;
    padding: 0 14px;
}

.calendar-box {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 12px;
    padding: 12px;
}

.calendar-box h3 {
    font-size: 18px;
    margin: 0 0 10px;
}

.blog-calendar {
    border-collapse: collapse;
    color: #fff;
    font-size: 13px;
    text-align: center;
    width: 100%;
}

.blog-calendar th,
.blog-calendar td {
    border: 1px solid rgba(255, 255, 255, 0.12);
    height: 33px;
}

.calendar-day {
    align-items: center;
    color: #fff;
    display: flex;
    flex-direction: column;
    font-weight: 800;
    height: 100%;
    justify-content: center;
    line-height: 1.1;
    text-decoration: none;
}

.calendar-day.has-posts {
    background: rgba(217, 79, 220, 0.18);
}

.calendar-date-number,
.calendar-post-count {
    display: block;
}

.calendar-post-count {
    color: #ffd9fb;
    font-size: 10px;
    font-weight: 900;
    margin-top: 2px;
}

.calendar-day:hover,
.calendar-day.is-active {
    background: rgba(217, 79, 220, 0.38);
}

.calendar-nav {
    font-size: 13px;
    font-weight: 800;
    margin: 10px 0 0;
}

.calendar-nav a {
    color: #fff;
    text-decoration: none;
}

.calendar-nav a:hover {
    text-decoration: underline;
}

.recommend-box {
    align-items: center;
    background: #fff;
    color: #6d5f74;
    display: flex;
    font-weight: 800;
    justify-content: center;
    min-height: 200px;
}

.sr-only {
    clip: rect(0, 0, 0, 0);
    height: 1px;
    overflow: hidden;
    position: absolute;
    white-space: nowrap;
    width: 1px;
}

.blog-hero {
    background: transparent;
    border: 0;
    padding: 4px 0 12px;
}

.blog-hero--compact {
    padding: 4px 0 24px;
}

.blog-topbar {
    align-items: center;
    display: flex;
    gap: 12px;
    justify-content: flex-start;
    margin-bottom: 18px;
}

.blog-site-title {
    background:
        linear-gradient(120deg, rgba(28, 30, 48, 0.94), rgba(20, 22, 36, 0.96)),
        radial-gradient(circle at 85% 0%, rgba(255, 93, 184, 0.28), transparent 42%);
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 20px;
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.35);
    min-height: 74px;
    padding: 8px 14px;
}

.blog-home-logo {
    background-image: url("/titlelogo.png");
    background-position: left center;
    background-repeat: no-repeat;
    background-size: contain;
    display: block;
    height: 50px;
    width: min(250px, 48vw);
}

.blog-home-link,
.read-more {
    align-items: center;
    background: #d94fdc;
    border-radius: 999px;
    color: #fff;
    display: inline-flex;
    font-size: 13px;
    font-weight: 800;
    padding: 8px 14px;
}

.blog-kicker {
    color: #d9ccef;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.12em;
    margin: 0 0 8px;
    text-transform: uppercase;
}

.blog-logo,
.article-title {
    color: #fff;
    font-size: clamp(32px, 7vw, 58px);
    letter-spacing: 0.02em;
    line-height: 1.12;
    margin: 0;
}

.blog-logo span {
    background: #d94fdc;
    border-radius: 999px;
    color: #fff;
    display: inline-block;
    font-size: 0.5em;
    margin-left: 0.18em;
    padding: 0.08em 0.42em 0.12em;
}

.blog-lead {
    color: #efe6ff;
    font-size: 16px;
    margin: 14px 0 0;
    max-width: 720px;
}

.empty-card {
    grid-column: 1 / -1;
    padding: 26px;
}

.article-card {
    padding: clamp(18px, 4vw, 38px);
}

.article-description {
    background: #f5f5f5;
    color: #111;
    font-size: 16px;
    font-weight: 500;
    line-height: 1.65;
    margin: 0 0 24px;
    padding: 14px 16px;
}

.article-description strong {
    color: #ff0033;
    font-weight: 900;
}

.article-body {
    font-size: 16px;
    margin-bottom: 30px;
}

.article-body p {
    margin: 0 0 1.2em;
}

.pickup-block {
    padding: 0px 0;
}

.capture-grid {
    display: grid;
    gap: 14px;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    margin: 0 auto 20px;
    max-width: 760px;
}

.capture-card {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 16px;
    margin: 0;
    overflow: hidden;
}

.capture-card img {
    aspect-ratio: 9 / 16;
    display: block;
    height: auto;
    object-fit: cover;
    width: 100%;
}

.embed-section {
    margin-top: 18px;
}

.embed-divider {
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.38), transparent);
    height: 1px;
    margin: 22px auto 18px;
    max-width: 760px;
}

.embed-heading {
    color: #fff;
    font-size: 20px;
    font-weight: 900;
    line-height: 1.4;
    margin: 0 auto 16px;
    max-width: 760px;
    text-align: center;
}

.embed-list {
    display: grid;
    gap: 18px;
}

.embed-card {
    overflow: hidden;
}

.embed-card iframe {
    aspect-ratio: 9 / 16;
    background: #000;
    border: 0;
    border-radius: 14px;
    display: block;
    width: 100%;
}

@media (min-width: 981px) {
    .article-main .capture-grid {
        grid-template-columns: minmax(0, 520px);
        justify-content: center;
        max-width: 560px;
    }

    .article-main .embed-card iframe {
        margin: 0 auto;
        max-width: 520px;
    }
}

@media (max-width: 1180px) {
    .blog-layout:not(.article-main) {
        grid-template-columns: 1fr;
    }

    .article-main.blog-layout {
        grid-template-columns: minmax(0, 1fr) 300px;
    }

    .article-main .blog-sidebar {
        grid-template-columns: 1fr;
    }

    .blog-sidebar {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 980px) {
    .post-list {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .article-main.blog-layout {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 720px) {
    .blog-shell {
        width: min(100%, calc(100% - 20px));
    }

    .blog-site-title {
        border-left: none;
        border-radius: 0;
        border-right: none;
        margin-left: -10px;
        margin-right: -10px;
        min-height: 52px;
        padding: 6px 10px;
    }

    .blog-home-logo {
        height: 42px;
        width: min(200px, 55vw);
    }

    .post-list {
        gap: 10px;
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .blog-sidebar {
        grid-template-columns: 1fr;
    }

    .post-card-image-wrap {
        min-height: 0;
    }

    .post-card-image-wrap img,
    .post-card-placeholder {
        height: auto;
        min-height: 0;
    }

    .post-card h2 {
        bottom: 10px;
        font-size: 13px;
        padding: 4px 7px;
    }

    .post-card time {
        font-size: 11px;
        margin-top: 6px;
    }

    .blog-index-panel,
    .sidebar-panel {
        padding: 10px;
    }

    .capture-grid {
        grid-template-columns: 1fr;
    }

}

/* ==========================
   外部RSS記事一覧
========================== */
.external-rss {
    background: linear-gradient(180deg, rgba(49, 39, 73, 0.96) 0%, rgba(35, 27, 55, 0.96) 100%);
    border: 1px solid rgba(207, 184, 255, 0.28);
    border-radius: 10px;
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.08), 0 10px 28px rgba(19, 11, 32, 0.22);
    margin: 0 0 10px;
    padding: 14px;
}

.external-rss__heading {
    background: linear-gradient(90deg, rgba(154, 69, 151, 0.95), rgba(86, 57, 141, 0.95));
    border: 1px solid rgba(210, 164, 255, 0.28);
    border-radius: 8px;
    color: #fff;
    font-size: 17px;
    font-weight: 900;
    line-height: 1.35;
    margin: 0 0 12px;
    padding: 8px 10px;
    text-shadow: 0 1px 1px rgba(0,0,0,0.35);
}

.external-rss__grid {
    display: grid;
    gap: 6px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.external-rss__card {
    background: #161224;
    min-height: 120px;
    overflow: hidden;
    position: relative;
}

.external-rss__link {
    color: #fff;
    display: block;
    height: 100%;
    min-height: inherit;
    position: relative;
}

.external-rss__image {
    display: block;
    height: 100%;
    left: 0;
    object-fit: cover;
    position: absolute;
    top: 0;
    transition: transform .25s ease, opacity .25s ease;
    width: 100%;
}

.external-rss__shade {
    background: linear-gradient(180deg, rgba(0,0,0,0.02) 28%, rgba(0,0,0,0.78) 100%);
    inset: 0;
    position: absolute;
}

.external-rss__title {
    bottom: 11px;
    color: #fff;
    display: -webkit-box;
    font-size: 12px;
    font-weight: 900;
    left: 9px;
    line-height: 1.35;
    overflow: hidden;
    position: absolute;
    right: 9px;
    text-shadow: 0 2px 5px rgba(0,0,0,0.85);
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
}

.external-rss__site {
    background: rgba(255, 255, 255, 0.88);
    border-radius: 999px;
    color: #3d245f;
    display: inline-block;
    font-size: 10px;
    font-weight: 900;
    left: 8px;
    max-width: calc(100% - 16px);
    overflow: hidden;
    padding: 3px 8px;
    position: absolute;
    text-overflow: ellipsis;
    top: 8px;
    white-space: nowrap;
    z-index: 2;
}

.external-rss__card:hover .external-rss__image,
.external-rss__card:focus-within .external-rss__image {
    opacity: .88;
    transform: scale(1.04);
}

@media (min-width: 768px) {
    .external-rss__grid {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }

    .external-rss__card,
    .external-rss__link {
        min-height: 150px;
    }
}

@media (min-width: 1200px) {
    .external-rss__card,
    .external-rss__link {
        min-height: 195px;
    }
}