@charset "UTF-8";

/* リセットcss */
:root {
    --primary-color: #0b3d91;
    --secondary-color: #007bb5;
    --accent-color: #e67e22;
    --bg-color: #f8f9fa;
    --text-color: #333333;
    --border-color: #dddddd;
    --sidebar-bg: #ffffff;
}

* {
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans JP', sans-serif;
    margin: 0;
    padding: 0;
    background-image: linear-gradient(rgba(255, 255, 255, 0.8), rgba(255, 255, 255, 0.6)), url('img/bg.jpeg');
    background-repeat: repeat;
    background-size: cover;
    background-attachment: fixed;
    background-color: var(--bg-color);

    color: var(--text-color);
    line-height: 1.6;
}

a {
    color: var(--secondary-color);
    text-decoration: none;
    transition: all 0.3s ease;
}

a:hover {
    color: #1eb3ff;
}

/* =========================================
    ヘッダー
========================================= */
header {
    background-color: #ffffff;
    padding: 20px 40px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 6px solid var(--primary-color);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: all 0.3s ease;
}

header.shrink {
    padding: 8px 40px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

body {
    padding-top: 150px;
}

.header-left h2 {
    margin: 0;
    font-size: 14px;
    color: #666;
    font-weight: 500;
    letter-spacing: 1px;
    transition: all 0.3s ease;
}

.header-left h1 {
    margin: 5px 0 0;
    font-size: 26px;
    color: var(--primary-color);
    font-weight: 700;
    transition: all 0.3s ease;
}

header.shrink .header-left h1 {
    font-size: 20px;
    margin-top: 2px;
}

header.shrink .header-left h2 {
    font-size: 11px;
}

.header-right .theme {
    font-family: 'Playfair Display', serif;
    font-size: 24px;
    color: var(--secondary-color);
    margin: 0;
}

/* =========================================
   メインレイアウト
========================================= */
.container {
    display: flex;
    max-width: 1200px;
    margin: 30px auto;
    padding: 0 20px;
    gap: 40px;
}

.main-content {
    flex-grow: 1;
    min-width: 0;
}

.main-visual {
    margin-bottom: 40px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.1);
}

.main-visual img {
    width: 100%;
    height: auto;
    display: block;
}

/* =========================================
   サイドナビ
========================================= */
.sidebar {
    width: 280px;
    flex-shrink: 0;
    position: sticky;
    top: 100px;
    align-self: flex-start;
}

.sidebar-nav {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(5px);
    border-radius: 12px;
    box-shadow: 0 8px 25px rgba(0, 123, 181, 0.08);
    border: 1px solid rgba(0, 123, 181, 0.1);
    max-height: calc(100vh - 200px);
    overflow-y: auto;
    overflow-x: hidden;
    overscroll-behavior: contain;
}

.sidebar-nav::-webkit-scrollbar {
    width: 6px;
}

.sidebar-nav::-webkit-scrollbar-thumb {
    background: rgba(0, 123, 181, 0.25);
    border-radius: 4px;
}

.sidebar-nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar-nav li {
    border-bottom: 1px solid rgba(0, 123, 181, 0.08);
}

.sidebar-nav li:last-child {
    border-bottom: none;
}

.sidebar-nav a {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 14px 20px 14px 45px;
    color: #444;
    font-weight: 500;
    font-size: 15px;
    position: relative;
    background-color: transparent;
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    z-index: 1;
}

.sidebar-nav a.nav-multiline {
    align-items: flex-start;
    padding-top: 6px;
    padding-bottom: 6px;
}

.sidebar-nav a::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    border-top: 2px solid var(--secondary-color);
    border-right: 2px solid var(--secondary-color);
    transform: translateY(-50%) rotate(45deg);
    transition: all 0.3s ease;
}

.sidebar-nav a::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #eefdff 0%, #b2ebf2 100%);
    z-index: -1;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.sidebar-nav a:hover,
.sidebar-nav a.active {
    color: var(--primary-color);
    font-weight: 700;
    padding-left: 50px;
}

.sidebar-nav a:hover::after,
.sidebar-nav a.active::after {
    opacity: 1;
}

.sidebar-nav a:hover::before,
.sidebar-nav a.active::before {
    border-color: var(--primary-color);
    left: 25px;
}

.sidebar-nav .sub-text {
    font-size: 10px;
    line-height: 1.3;
    margin-top: 2px;
    opacity: 0.8;
    font-weight: 400;
}

/* =========================================
   共通
========================================= */
section {
    background: #ffffff;
    padding: 35px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.03);
    margin-bottom: 40px;
    border: 1px solid var(--border-color);
}

section.outline-section {
    padding: 25px;
}

h3.section-title {
    color: #424649;
    font-size: 22px;
    padding-bottom: 12px;
    margin-top: 0;
    margin-bottom: 30px;
    position: relative;
    border-bottom: none;
    letter-spacing: 1px;
}

h3.section-title::before {
    content: '';
    position: absolute;
    left: 4px;
    bottom: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(to right, rgba(0, 123, 181, 0.4) 0%, transparent 100%);
}

h3.section-title::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -3px;
    width: 7px;
    height: 7px;
    background-color: var(--secondary-color);
    border-radius: 50%;
    box-shadow: 0 0 6px rgba(0, 123, 181, 0.5);
}

.info-table {
    width: 100%;
    border-collapse: collapse;
}

.info-table th,
.info-table td {
    padding: 24px 16px;
    border-bottom: 1px dashed var(--border-color);
    text-align: left;
    vertical-align: middle;
    line-height: 1.8;
}

.info-table tr:last-child th,
.info-table tr:last-child td {
    border-bottom: none;
}

.info-table th {
    width: 25%;
    min-width: 100px;
    font-weight: 700;
    white-space: nowrap;
    color: #007bb5;
    background-color: #fdfdfd;
    letter-spacing: 1px;
}

/* =========================================
   フッター
========================================= */
footer {
    background: linear-gradient(135deg, #05162a 0%, #0b3d91 100%);
    color: #ffffff;
    padding: 40px 20px 20px;
    margin-top: 80px;
    position: relative;
    overflow: hidden;
    /* border-top: 2px solid #68d8f2; */
    box-shadow: 0 -10px 30px rgba(104, 216, 242, 0.1);
}

footer::after {
    content: '';
    position: absolute;
    bottom: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(104, 216, 242, 0.12) 0%, transparent 60%);
    border-radius: 50%;
    pointer-events: none;
    z-index: 0;
}

.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    gap: 40px;
    margin-bottom: 25px;
    position: relative;
    z-index: 1;
}

.footer-col {
    flex: 1;
}

.footer-col h4 {
    font-size: 18px;
    margin-top: 0;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    color: #68d8f2;
    letter-spacing: 2px;
    display: flex;
    align-items: center;
}

.footer-col h4::before {
    content: '';
    display: inline-block;
    width: 8px;
    height: 8px;
    background-color: #68d8f2;
    border-radius: 50%;
    margin-right: 12px;
    box-shadow: 0 0 10px #68d8f2;
}

.footer-col p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
    margin: 0 0 10px;
}

.footer-col strong {
    color: #ffffff;
    font-size: 16px;
    letter-spacing: 0.5px;
    display: inline-block;
    margin-bottom: 5px;
}

a.footer-link {
    color: #68d8f2;
    text-decoration: none;
    transition: all 0.3s ease;
    padding-bottom: 2px;
    border-bottom: 1px dashed rgba(104, 216, 242, 0.4);
}

a.footer-link:hover {
    color: #ffffff;
    border-bottom-color: #ffffff;
    text-shadow: 0 0 8px rgba(104, 216, 242, 0.8);
}

.copyright {
    text-align: center;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.5);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
    letter-spacing: 1px;
    position: relative;
    z-index: 1;
}

/* =========================================
   トップへ戻るボタン 
========================================= */
.page-top {
    position: fixed;
    right: 30px;
    bottom: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--primary-color) 100%);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 990;
    box-shadow: 0 4px 15px rgba(11, 61, 145, 0.3);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    text-decoration: none;
}

.page-top::before {
    content: '';
    width: 12px;
    height: 12px;
    border-top: 2px solid #ffffff;
    border-left: 2px solid #ffffff;
    transform: rotate(45deg);
    margin-top: 4px;
    transition: transform 0.3s ease;
}

.page-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.page-top:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 8px 25px rgba(11, 61, 145, 0.4);
}

/* =========================================
   レスポンシブ対応
========================================= */
@media (max-width: 992px) {
    .container {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        order: 2;
    }

    .main-content {
        order: 1;
    }

    header {
        flex-direction: column;
        align-items: flex-start;
        padding: 15px 20px;
    }

    .header-right {
        margin-top: 10px;
    }

    .footer-inner {
        flex-direction: column;
    }
}

/* =========================================
  開催概要（各ページタイトル）
========================================= */
h2.page-title {
    color: var(--secondary-color);
    font-size: 28px;
    font-weight: 700;
    margin-top: 0;
    margin-bottom: 30px;
    padding-left: 45px;
    border-bottom: none;
    position: relative;
    display: flex;
    align-items: center;
    letter-spacing: 2px;
}

h2.page-title::before {
    content: '';
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    width: 12px;
    height: 12px;
    background-color: #007BB5;
    border-radius: 50%;
    box-shadow:
        0 0 8px rgba(0, 123, 181, 0.9),
        0 0 16px rgba(0, 123, 181, 0.7),
        0 0 25px rgba(104, 216, 242, 0.6),
        0 0 40px rgba(104, 216, 242, 0.4);
}

.committee-section {
    margin-bottom: 30px;
}

.committee-section h4 {
    color: var(--secondary-color);
    font-size: 18px;
    border-left: 5px solid var(--secondary-color);
    padding-left: 10px;
    margin-bottom: 15px;
    background-color: #f0f7fa;
    padding: 8px 10px;
}

.committee-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 15px 20px;
    list-style: none;
    padding: 0;
    margin: 0;
}

.committee-list.list-block {
    display: block;
}

.committee-list li {
    display: flex;
    align-items: baseline;
    padding-bottom: 8px;
    border-bottom: 1px dashed var(--border-color);
}

.committee-role {
    font-weight: 700;
    color: #A2BCC1;
    width: 150px;
    flex-shrink: 0;
    letter-spacing: 1px;
}

.committee-name {
    font-weight: 700;
    margin-right: 15px;
    white-space: nowrap;
    font-size: 16px;
    color: #2c3e50;
}

.committee-org {
    font-size: 13.5px;
    color: #8395a7;
}

.committee-section {
    margin-bottom: 40px;
}

.committee-section {
    margin-bottom: 40px;
}

.committee-section h4 {
    color: #ffffff;
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 2px;
    border-left: none;
    position: relative;
    z-index: 1;
    background: linear-gradient(to right, #a1bbc0 0%, #e8f3f5 100%);
    padding: 12px 20px;
    margin-bottom: 20px;
    border-radius: 4px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.committee-section h4::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('img/texture.png');
    background-size: cover;
    background-position: 130px center;
    background-repeat: no-repeat;
    z-index: -1;
    opacity: 0.6;
}

.committee-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px 25px;
    list-style: none;
    padding: 0;
    margin: 0;
}

.committee-list.list-block {
    display: block;
}

.committee-list li {
    display: flex;
    align-items: baseline;
    padding: 16px 0;
    border-bottom: 1px dashed var(--border-color);
}

.committee-name {
    font-weight: 700;
    margin-right: 15px;
    white-space: nowrap;
    font-size: 16px;
}

.committee-org {
    font-size: 14px;
    color: #555;
}

.text-link {
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 500;
    padding-bottom: 2px;
    background-image: linear-gradient(#1eb3ff, #1eb3ff);
    background-position: right bottom;
    background-repeat: no-repeat;
    background-size: 0% 1px;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.text-link:hover {
    color: #1eb3ff;
    text-shadow: 0 0 8px rgba(30, 179, 255, 0.4);
    background-size: 100% 1px;
    background-position: left bottom;
}

/* =========================================
   大会長ご挨拶：案B（マガジンスタイル）
========================================= */
.greeting-content {
    font-size: 15px;
    line-height: 2.2;
    color: #444444;
}

.greeting-content p {
    margin-bottom: 2.5em;
    text-align: justify;
}

.greeting-sign {
    display: flex;
    flex-direction: row-reverse;
    /* 写真とテキストの左右を反転 */
    align-items: center;
    justify-content: center;
    margin-top: 60px;
    padding-top: 60px;
    border-top: 1px solid #eaeaea;
    gap: 50px;
}

.greeting-photo img {
    width: 150px;
    height: 150px;
    object-fit: cover;
    border-radius: 8px;
    /* 角丸四角形 */
    box-shadow: none !important;
    display: block;
}

.greeting-name {
    text-align: right;
    /* テキストを右揃えにして写真との境界をシャープに */
    color: #666666;
    line-height: 1.8;
}

.greeting-name strong {
    font-size: 28px;
    color: #0b3d91;
    display: block;
    margin: 10px 0;
    letter-spacing: 0.15em;
    font-family: 'Playfair Display', serif;
}

@media (max-width: 768px) {
    .greeting-sign {
        flex-direction: column;
        gap: 20px;
    }

    .greeting-name {
        text-align: center;
    }
}

/* =========================================
   会場案内
========================================= */
.venue-info-box {
    margin-bottom: 30px;
    line-height: 1.8;
}

.venue-name {
    font-size: 22px;
    font-weight: 700;
    color: #007BB5;
    margin-bottom: 10px;

}

.venue-address {
    font-size: 16px;
    color: var(--text-color);
    margin-bottom: 5px;
    padding-left: 20px;
}

.map-container {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    border: 1px solid var(--border-color);
}

.map-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

/* =========================================
   共催・出展・協賛募集
========================================= */
.sponsorship-intro {
    margin-bottom: 30px;
    line-height: 1.8;
}

.sponsorship-note {
    font-size: 14px;
    color: var(--secondary-color);
    margin-top: 15px;
    margin-bottom: 30px;
    font-weight: 500;
}

.btn-container {
    display: flex;
    gap: 20px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.btn-download {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: var(--primary-color);
    color: #ffffff;
    padding: 15px 30px;
    border-radius: 5px;
    font-weight: 700;
    text-decoration: none !important;
    transition: background-color 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-download::before {
    content: "";
    position: absolute;
    top: 0;
    left: -150%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transform: skewX(-20deg);
}

.btn-download:hover {
    background-color: var(--secondary-color);
    color: #ffffff !important;
}

.btn-download:hover::before {
    animation: shine 0.6s ease-in-out;
}

@keyframes shine {
    100% {
        left: 150%;
    }
}

.sponsorship-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 40px;
}

.sponsorship-table th,
.sponsorship-table td {
    padding: 15px;
    border: 1px solid var(--border-color);
    vertical-align: middle;
}

.sponsorship-table th {
    background-color: #f0f7fa;
    color: #2c3e50;
    font-weight: 700;
    text-align: center;
    white-space: nowrap;
    letter-spacing: 1px;
}

.sponsorship-table .table-category-row td {
    background-color: #e1f0fa;
    color: #2c3e50;
    font-weight: 700;
    text-align: center;
    font-size: 16px;
    letter-spacing: 1px;
}

.sponsorship-table .center-text {
    text-align: center;
}

.btn-apply {
    position: relative;
    display: inline-block;
    background-color: #70b0cf;
    color: #ffffff;
    padding: 10px 25px;
    border-radius: 4px;
    font-weight: 700;
    font-size: 14px;
    text-decoration: none !important;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    transition: background-color 0.3s ease;
}

.btn-apply::before {
    content: "";
    position: absolute;
    top: 0;
    left: -150%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transform: skewX(-20deg);
}

.btn-apply:hover {
    background-color: var(--secondary-color);
    color: #ffffff !important;
}

.btn-apply:hover::before {
    animation: shine 0.6s ease-in-out;
}

@keyframes shine {
    100% {
        left: 150%;
    }
}

span.btn-apply {
    background-color: #999 !important;
    cursor: not-allowed;
}

span.btn-apply::before {
    display: none;
}

@media (min-width: 993px) {
    .sponsorship-table td.rowspan-mimic {
        border-top: none;
        border-bottom: none;
        color: transparent;
    }

    .sponsorship-table tr:nth-of-type(3) td.rowspan-mimic,
    .sponsorship-table tr:nth-of-type(9) td.rowspan-mimic {
        border-top: 1px solid var(--border-color);
        color: var(--text-color);
    }

    .sponsorship-table tr:nth-of-type(6) td.rowspan-mimic,
    .sponsorship-table tr:nth-of-type(12) td.rowspan-mimic {
        border-bottom: 1px solid var(--border-color);
    }
}

/* =========================================
   表
========================================= */
@media (min-width: 993px) {
    .sp-date {
        display: none !important;
    }

    .sponsorship-table th,
    .sponsorship-table td {
        vertical-align: middle !important;
    }
}

@media (max-width: 992px) {
    .pc-date {
        display: none !important;
    }

    .sp-date {
        display: block !important;
    }

    .sponsorship-table,
    .sponsorship-table thead,
    .sponsorship-table tbody,
    .sponsorship-table th,
    .sponsorship-table td,
    .sponsorship-table tr {
        display: block;
        width: 100% !important;
    }

    .sponsorship-table thead {
        display: none;
    }

    .sponsorship-table tr {
        margin-bottom: 15px;
        border: 1px solid var(--border-color);
        border-radius: 6px;
        overflow: hidden;
    }

    .sponsorship-table .table-category-row td {
        border-bottom: none;
        background-color: #e1f0fa;
        color: #2c3e50 !important;
        padding: 10px 15px;
    }

    .sponsorship-table td {
        position: relative;
        padding: 12px 15px 12px 110px;
        border: none;
        border-bottom: 1px dashed var(--border-color);
        text-align: left !important;
        color: var(--text-color) !important;
    }

    .sponsorship-table tr td:last-child {
        border-bottom: none;
    }

    .sponsorship-table td::before {
        position: absolute;
        top: 12px;
        left: 15px;
        width: 85px;
        font-weight: 700;
        color: #75abc4;
        font-size: 13px;
        white-space: nowrap;
    }

    .sponsorship-table .table-category-row td::before {
        display: none !important;
    }

    .sponsorship-table tr:not(.table-category-row) td:first-child::before {
        content: "募集項目";
    }

    .sponsorship-table tr:not(.table-category-row) td.sp-date::before,
    .sponsorship-table tr:not(.table-category-row) td:nth-child(2):not(.pc-date)::before {
        content: "申込締切日";
    }

    .sponsorship-table tr:not(.table-category-row) td:last-child::before {
        content: "申込";
    }
}

/* =========================================
   お問い合わせページ
========================================= */
.contact-wrapper {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 20px;
}

.contact-card {
    background: #ffffff;
    border: none;
    border-radius: 12px;
    padding: 40px 35px;
    box-shadow: 0 10px 30px rgba(0, 123, 181, 0.06);
    position: relative;
    overflow: hidden;
}

.contact-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
}

.contact-card h3 {
    color: #2c3e50;
    font-size: 20px;
    margin-top: 0;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 1px dashed rgba(0, 123, 181, 0.15);
    display: flex;
    align-items: center;
    letter-spacing: 1px;
}

.contact-card h3::before {
    content: '';
    display: inline-block;
    width: 8px;
    height: 8px;
    background-color: #1eb3ff;
    border-radius: 50%;
    margin-right: 12px;
    box-shadow: 0 0 10px rgba(30, 179, 255, 0.6);
}

.contact-info {
    font-size: 15px;
    line-height: 1.8;
}

.contact-info strong {
    display: block;
    font-size: 17px;
    color: #2c3e50;
    margin-bottom: 15px;
    letter-spacing: 0.5px;
}

.contact-label {
    display: inline-block;
    width: 70px;
    font-weight: 700;
    color: #75abc4;
}

/* =========================================
   演題募集（公募）・登録
========================================= */
.period-text {
    font-size: 20px;
    font-weight: 700;
    color: #007bb5;
    text-align: center;
    margin: 20px 0;
}

.sub-category-title {
    color: #007bb5;
    background-color: #f4f9fc;
    padding: 10px 15px;
    border-radius: 4px;
    margin-top: 35px;
    margin-bottom: 15px;
    font-size: 17px;
    font-weight: 700;
    border-bottom: none;
}

.sub-category-title.first {
    margin-top: 10px;
}

.text-danger {
    color: #d9534f;
    font-weight: bold;
}

.notice-box {
    background-color: #ffffff;
    border: 1px solid #eaeaea;
    border-radius: 6px;
    padding: 20px 25px;
    margin-bottom: 20px;
    font-size: 14.5px;
    line-height: 1.8;
    color: #333333;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.03);
}

.registration-area {
    text-align: center;
    background: #f0f7fa;
    padding: 40px 20px;
    border-radius: 10px;
    margin: 30px 0;
    border: 1px solid #cce5ff;
}

.registration-date-note {
    color: #d9534f;
    font-size: 16px;
    font-weight: bold;
    margin-top: 0;
    margin-bottom: 25px;
}

.registration-note {
    font-size: 13px;
    color: #666;
    margin-top: 20px;
    text-align: left;
    line-height: 1.8;
}

.btn-register {
    display: inline-block;
    background: linear-gradient(135deg, #e67e22 0%, #d35400 100%);
    color: #ffffff;
    font-size: 20px;
    font-weight: 700;
    padding: 18px 50px;
    border-radius: 5px;
    text-decoration: none !important;
    box-shadow: 0 5px 15px rgba(230, 126, 34, 0.3);
    transition: all 0.3s ease;
    margin-bottom: 15px;
}

.btn-register:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(230, 126, 34, 0.4);
    color: #ffffff !important;
}

.btn-register.disabled {
    background: #a9a9a9;
    box-shadow: none;
    pointer-events: none;
    cursor: not-allowed;
}

.yia-sub-title {
    font-size: 16px;
    margin-bottom: 5px;
}

.yia-btn-wrapper {
    display: flex;
    justify-content: center;
    margin-top: 25px;
    margin-bottom: 15px;
}

.yia-btn-wrapper .btn-download {
    width: 80%;
    max-width: 400px;
}

.coi-buttons {
    display: flex;
    gap: 20px;
    margin-top: 25px;
    margin-bottom: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

.coi-buttons .btn-download {
    width: 45%;
    max-width: 350px;
}

@media (max-width: 768px) {

    .yia-btn-wrapper .btn-download,
    .coi-buttons .btn-download {
        width: 100%;
    }
}

.ul-list {
    padding-left: 20px;
    margin-bottom: 20px;
}

.ul-list li {
    margin-bottom: 8px;
}

.list-unstyled {
    list-style-type: none;
    padding-left: 25px;
}

.list-unstyled-left {
    list-style-type: none;
    padding-left: 0;
}

.coi-text-marker {
    font-weight: 700;
    color: #1a365d;
    background: linear-gradient(transparent 70%, #d4f0f9 70%);
    padding: 0 2px;
}

.contact-card-flat {
    background: transparent;
    padding: 10px 0;
    box-shadow: none;
    border: none;
}

.contact-card-flat h3 {
    color: #333333;
    font-size: 16px;
    font-weight: 700;
    margin-top: 0;
    margin-bottom: 15px;
    padding-bottom: 0;
    border-bottom: none;
    display: block;
    letter-spacing: 1px;
}

.contact-card-flat h3::before {
    display: none;
}

.contact-time-note {
    font-size: 13px;
    color: #666;
    display: block;
    margin-top: 10px;
}

.contact-label-fax {
    width: auto !important;
    margin-left: 5px;
    margin-right: 10px;
}

.pw-body {
    font-family: sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 80vh;
    background: #f7f9fa;
    margin: 0;
}

.pw-box {
    background: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 360px;
    text-align: center;
}

.pw-input {
    width: 100%;
    padding: 12px;
    margin: 15px 0;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box;
    font-size: 16px;
}

.pw-btn {
    width: 100%;
    padding: 12px;
    background: #007bff;
    color: #fff;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.pw-btn:hover {
    background: #0056b3;
}

.pw-err {
    color: #d9534f;
    font-size: 14px;
    margin-bottom: 10px;
}

/* =========================================
   準備中（Coming Soon）
========================================= */
.coming-soon-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 80px 20px;
    text-align: center;
    background: linear-gradient(135deg, #ffffff 0%, #f0f7fa 100%);
    border-radius: 12px;
    margin-top: 20px;
    box-shadow: 0 10px 40px rgba(0, 123, 181, 0.05);
    border: 1px solid rgba(0, 123, 181, 0.08);
    position: relative;
    overflow: hidden;
}

.coming-soon-wrapper::before {
    content: '';
    position: absolute;
    top: -50px;
    right: -50px;
    width: 150px;
    height: 150px;
    background: radial-gradient(circle, rgba(30, 179, 255, 0.08) 0%, transparent 70%);
    border-radius: 50%;
}

.coming-soon-wrapper::after {
    content: '';
    position: absolute;
    bottom: -60px;
    left: -60px;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(11, 61, 145, 0.06) 0%, transparent 70%);
    border-radius: 50%;
}

.coming-soon-wrapper h3 {
    font-size: 32px;
    color: #2c3e50;
    margin-top: 0;
    margin-bottom: 20px;
    letter-spacing: 4px;
    font-weight: 600;
    position: relative;
    z-index: 1;
}

.coming-soon-wrapper p {
    font-size: 16px;
    color: #5c7080;
    margin: 0;
    line-height: 1.8;
    position: relative;
    z-index: 1;
}

.coming-soon-line {
    width: 40px;
    height: 2px;
    background: linear-gradient(to right, #1eb3ff, #007bb5);
    margin-bottom: 30px;
    position: relative;
    z-index: 1;
    border-radius: 2px;
}

/* =========================================
   ハンバーガーメニュー
========================================= */
.hamburger {
    display: none;
    cursor: pointer;
    width: 30px;
    height: 24px;
    position: relative;
    z-index: 1000;
}

.hamburger span {
    display: block !important;
    position: absolute !important;
    height: 3px !important;
    width: 100% !important;
    background: var(--primary-color) !important;
    border-radius: 3px !important;
    transition: all 0.3s ease !important;
}

.hamburger span:nth-child(1) {
    top: 0 !important;
    transform: none !important;
}

.hamburger span:nth-child(2) {
    top: 10px !important;
    opacity: 1 !important;
}

.hamburger span:nth-child(3) {
    top: 20px !important;
    transform: none !important;
}

.hamburger.active span:nth-child(1) {
    top: 10px !important;
    transform: rotate(45deg) !important;
}

.hamburger.active span:nth-child(2) {
    opacity: 0 !important;
}

.hamburger.active span:nth-child(3) {
    top: 10px !important;
    transform: rotate(-45deg) !important;
}

/* =========================================
   レスポンシブ
========================================= */
@media (max-width: 992px) {
    .container {
        flex-direction: column;
        padding: 0 15px;
        margin-top: 20px;
    }

    .sidebar {
        width: 100%;
        order: 2;
        position: fixed;
        top: 0;
        right: -100%;
        max-width: 320px;
        height: 100vh;
        background: rgba(255, 255, 255, 0.98);
        box-shadow: -5px 0 25px rgba(0, 0, 0, 0.1);
        z-index: 999;
        transition: right 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
        overflow-y: auto;
        padding-top: 80px;
        border-radius: 0;
    }

    .main-content {
        order: 1;
        max-width: 100%;
        overflow-x: hidden;
    }

    header {
        flex-direction: row !important;
        justify-content: space-between !important;
        align-items: center !important;
        padding: 12px 15px !important;
        position: fixed !important;
        top: 0 !important;
        left: 0 !important;
        width: 100% !important;
        z-index: 1001 !important;
    }

    body {
        padding-top: 100px !important;
    }

    .header-left {
        width: calc(100% - 45px);
        padding-right: 10px;
    }

    .header-left h1 {
        font-size: 16px !important;
        margin-top: 2px !important;
        line-height: 1.3;
    }

    .header-left h2 {
        font-size: 9px !important;
        line-height: 1.2;
    }

    .hamburger {
        display: block;
        margin-left: auto;
    }

    .sidebar.active {
        right: 0;
    }

    .sidebar-nav {
        box-shadow: none;
        border: none;
        background: transparent;
        border-radius: 0;
    }

    footer {
        padding: 40px 15px 20px;
        margin-top: 40px;
    }

    .footer-inner {
        flex-direction: column;
        gap: 20px;
        margin-bottom: 20px;
    }

    .footer-col {
        padding: 25px 20px;
    }

    body.no-scroll {
        overflow: hidden !important;
    }

    .page-top {
        right: 15px !important;
        bottom: 15px !important;
        width: 45px !important;
        height: 45px !important;
    }
}