/* 蝓ｺ譛ｬ險ｭ螳� */
:root {
    --custom-pink: #e886a3;
    --custom-blue: #88c5e0;
    --custom-green: #a3d4a1;
    --text-gray-500: #6b7280;
    --text-gray-600: #4b5563;
    --text-gray-700: #374151;
    --text-gray-800: #1f2937;
}

#header,
#gnavi,
#footer_banner,
footer {
    background: #fff;
}

#heading {
    margin-bottom: 0;
}

#hpv-body {
    font-family: "M PLUS Rounded 1c", sans-serif;
    color: var(--text-gray-800);
    margin: 0;
    font-size: 16px;
    overflow: hidden;
}

.background-fixed {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw; /* 繝薙Η繝ｼ繝昴�繝医�蟷��菴� */
  height: 100vh; /* 繝薙Η繝ｼ繝昴�繝医�鬮倥＆蜈ｨ菴� */
  background: url("/event/hpv/images/bg_20251122.jpg");
  background-size: cover;
  background-position: top;
  z-index: -1; /* 閭碁擇縺ｫ驟咲ｽｮ */
}

.content {
  position: relative; /* z-index繧呈怏蜉ｹ縺ｫ縺吶ｋ縺溘ａ */
  z-index: 1;
  background-color: transparent; /* 閭梧勹縺碁上￠縺ｦ隕九∴繧九ｈ縺�↓ */
}

#hpv-body .container {
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 1rem;
    padding-right: 1rem;
}

/* 繝倥ャ繝繝ｼ */
.hero {
    position: relative;
    text-align: center;
    padding: 8rem 0;
    /* background-color: white; */
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}

.hero-bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.1;
}

.hero-content {
    position: relative;
    z-index: 10;
}

.hero-subtitle {
    text-align: right;
    max-width: 480px;
    margin: 0 0 0 auto;
}

.hero-title {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--custom-pink);
    margin-top: 1rem;
    line-height: 1.3;
}

.hero-date {
    margin: 4rem 0;
}

.date-badge {
    display: inline-block;
    background-color: var(--custom-pink);
    color: white;
    font-size: 2.25rem;
    font-weight: 700;
    padding: 1.25rem 3rem;
    border-radius: 9999px;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.date-badge>span {
    font-size: 3rem;
}

.hero-note {
    font-size: 1.8rem;
    margin-top: 1rem;
    color: var(--text-gray-500);
}

/* 繝懊ち繝ｳ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    padding: 1.25rem 3rem;
    border-radius: 2rem;
    font-size: 1.125rem;
    text-decoration: none;
    transition: all 0.3s ease;
}

.btn-youtube {
    background-color: #ff0000;
    color: white;
    font-size: 2.4rem;
}

.btn-youtube:hover {
    background-color: #c40000;
    transform: scale(1.05);
}

.btn-youtube>svg {
    width: 6rem;
    height: 6rem;
    margin-right: 0.5rem;
}

.btn-youtube>svg path {
    fill: #fff;
}

/* 繧ｻ繧ｯ繧ｷ繝ｧ繝ｳ */
.section {
    text-align: center;
    padding: 4rem 0;
}

.section-title {
    font-size: 3.6rem;
    font-weight: 700;
    /* color: var(--custom-pink); */
    color: #40220F;
    margin-bottom: 3rem;
}

.section-box {
    max-width: 96rem;
    margin: 0 auto;
}

/* YouTube Embed Section */
.video-section {
    padding-top: 2rem;
    padding-bottom: 0;
}

.video-embed-placeholder {
    position: relative;
    width: 100%;
    max-width: 960px;
    margin: 0 auto;
    aspect-ratio: 16 / 9;
    background-color: #000;
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    /* background-image: url('/event/hpv/images/thumbnail_20251122.jpg');
    background-size: cover;
    background-position: center; */
}

.video-embed-placeholder iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 4px solid #40220F;
    box-sizing: border-box;
    border-radius: 1rem;
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: white;
    text-align: center;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(5px);
}

.video-overlay h3 {
    font-size: 1.5rem;
    margin: 0;
}

.video-overlay p {
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    margin-top: 0.5rem;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

/* 讎りｦ√き繝ｼ繝� */
.intro-card {
    transition: transform 0.3s ease;
}

/* .intro-card:hover {
    transform: scale(1.05);
}
.intro-card p {
    font-size: 1.125rem;
    color: var(--text-gray-700);
    line-height: 1.75;
}
.intro-card p:not(:first-child) {
    margin-top: 1rem;
}
.intro-card-highlight {
    margin-top: 1.5rem;
    font-weight: 700;
    color: var(--custom-blue);
} */


/* 繝励Ο繧ｰ繝ｩ繝� */
.program-list {
    max-width: 72rem;
    margin: 0 auto;
    text-align: left;
}

.program-item {
    background-color: white;
    padding: 2rem;
    border-radius: 0.5rem;
    border-left: 4px solid var(--custom-blue);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    margin-bottom: 2rem;
}

.program-time {
    font-size: 0.875rem;
    color: var(--text-gray-500);
}

.program-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--custom-blue);
    margin-top: 0.25rem;
}

.program-item p {
    margin-top: 0.75rem;
}

.symposiast-list {
    list-style: none;
    padding-left: 1rem;
}

.note {
    color: #ef4444;
    font-size: 0.875rem;
}

/* 逋ｻ螢�� */
.speakers-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    max-width: 96rem;
    margin: 0 auto;
}

.speaker-card {
    background-color: white;
    border-radius: 1rem;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: all 0.3s ease;
}

.speaker-card:hover {
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    transform: translateY(-0.5rem);
}

.speaker-img {
    width: 100%;
    /* height: 14rem;
    object-fit: cover; */
}

.speaker-info {
    padding: 1.5rem;
    text-align: center;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.speaker-role {
    font-size: 1.125em;
    font-weight: 700;
    color: var(--custom-pink);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.speaker-name {
    font-size: 1.25em;
    font-weight: 700;
    color: var(--text-gray-800);
    margin-top: 0.25rem;
}

.speaker-affiliation {
    color: var(--text-gray-500);
    margin-top: 0.25rem;
}

.other-speakers {
    justify-content: center;
}

.other-speakers-list {
    margin-top: 2rem;
}

.other-speakers-list div:not(:first-child) {
    margin-top: 0.75rem;
}

.font-bold {
    font-weight: 700;
}

/* CTA */
.cta-section {
    background-color: white;
    border-radius: 2rem 2rem 0 0;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.cta-section p {
    font-size: 1.125em;
    color: var(--text-gray-600);
    max-width: 84rem;
    margin: 0 auto 2rem auto;
}

.cta-note {
    margin: 2rem auto !important;
}

/* 繝輔ャ繧ｿ繝ｼ */
#hpv-body .footer {
    background-color: var(--text-gray-800);
    color: white;
    padding: 2rem 0;
    text-align: center;
    /* font-size: 0.875rem; */
}

#hpv-body .footer p:not(:first-child) {
    margin-top: 0.5rem;
}

/* 繝ｬ繧ｹ繝昴Φ繧ｷ繝門ｯｾ蠢� */
@media (max-width: 899px) {
    #main {
        padding-top: 0;
    }

    #hpv-body {
        font-size: 10px;
        margin: 0 0 2rem;
    }

    .hero {
        padding: 2rem 0;
    }

    .hero-subtitle {
        max-width: 66%;
    }

    .hero-date {
        margin: 2rem 0;
    }

    .date-badge {
        font-size: 1.25rem;
        padding: 0.5rem 1.25rem;
    }

    .date-badge>span {
        font-size: 1.75rem;
    }

    .btn {
        display: block;
        border-radius: 1rem;
    }

    .btn-youtube {
        font-size: 1.4em;
        padding: 0.5rem 1.25rem;
    }

    .btn-youtube>svg {
        display: block;
        width: 3rem;
        height: 3rem;
        margin: 0 auto;
    }

    .hero-note {
        font-size: 1.8em;
    }

    .section {
        padding: 2rem 0;
    }

    .section-title {
        font-size: 3em;
        margin-bottom: 1.5rem;
    }

    .video-embed-placeholder {
        margin: 0 1rem;
        width: auto;
    }

    .program-item {
        padding: 1rem;
        border-radius: 0.5rem;
        margin-bottom: 1rem;
    }

    .speakers-grid {
        grid-template-columns: repeat(1, 1fr);
        gap: 1.5rem;
        margin: 0 3rem;
    }

    .speaker-role {
        font-size: 1.5em;
    }

    .speaker-name {
        font-size: 1.8em;
    }

    .speaker-affiliation {
        font-size: 1.25em;
    }

    .speaker-info {
        padding: 1rem;
    }

    .other-speakers-list {
        margin-top: 1rem;
    }

    .cta-section {
        padding: 2rem 1rem !important;
        border-radius: 1rem 1rem 0 0;
    }

    .cta-section p {
        font-size: 1.25em;
        margin: 1rem auto !important;
    }

    #footer_banner.sp {
        padding-top: 2rem;
    }
}