@charset "UTF-8";
@-ms-viewport {width: device-width;}
/*
	Theme Name: 
	Description: UMDS theme css
	Theme URI: 
	Author: MASAHIRO YAMAMOTO
	Author URI: https://d-architects.com/
	Version: 1.0.1(2026.05.20)
	Tags: 

*/
/* CSS Document */


/*---------------------------------------------------------------
	RESET
---------------------------------------------------------------*/

* {
	margin: 0; padding: 0;
	min-width: 0;
	min-height: 0;
	font-family: "ヒラギノ角ゴ Pro W3", "Hiragino Kaku Gothic Pro", "メイリオ", Meiryo, Osaka, "ＭＳ Ｐゴシック", "MS PGothic", sans-serif, "游ゴシック", YuGothic;
	line-height: 100%;
}
html, body, div, span, applet, object, iframe, h1, h2, h3, h4, h5, h6, p, blockquote, pre, a, abbr, acronym, address, big, cite, code, del, dfn, em, img, ins, kbd, q, s, samp, small, strike, strong, sub, sup, tt, var, b, u, i, center, dl, dt, dd, ol, ul, li, fieldset, form, label, legend, table, caption, tbody, tfoot, thead, tr, th, td, article, aside, canvas, details, embed, figure, figcaption, footer, header, hgroup, menu, nav, output, ruby, section, summary, time, mark, audio, video {
	border: 0;
	font: inherit;
	vertical-align: baseline;
	box-sizing: border-box;
}
article, aside, dialog, figure, footer, header, hgroup, nav, section {
  display: block;
}
address {
  font-style: normal;
}
h1, h2, h3, h4, h5, h6 {
  font-style: normal;
  font-weight: normal;
}
table {
  border-spacing: 0;
  table-layout: fixed;
  border-collapse: collapse;
}
* html table {
  border-collapse: collapse;
}
*:first-child + html table {
  border-collapse: collapse;
}
caption, th {
  text-align: left;
  font-weight: normal;
}
table, th, td, img, p {
  border: 0;
}
img, input {
  vertical-align: middle;
}
q:before, q:after {
  content: '';
}
ul, ol {
  list-style: none;
}
td {
  vertical-align: top;
}
img {
  font-size: 1px;
  line-height: 100%;
  vertical-align: bottom;
}
figure img {
  width: 100%;
  height: auto;
}
ul, dl, dt, dd, figure {
  margin-block-start: 0;
  margin-block-end: 0;
  margin-inline-start: 0;
  margin-inline-end: 0;
  padding-inline-start: 0;
  padding-inline-end: 0;
}

/* --- LINK --- */
a {
  color: #363638;
  text-decoration: none;
}
a:visiteded {
  color: #363638;
  text-decoration: none;
}
a:hover {
  color: #363638;
  text-decoration: none;
}


/*---------------------------------------------------------------
	root
---------------------------------------------------------------*/
:root {
	--root-font-size: 16;
	--navy: #1A2744;
	--navy-deep: #0D1623;
	--navy-mid: #253A6A;
	--red: #C0392B;
	--gold: #C9961A;
	--gold-pale: #F7EDD0;
	--cream: #FAF8F3;
	--white: #FFFFFF;
	--text: #1C1C1C;
	--text-mid: #4A4A4A;
	--text-light: #7A7A7A;
	--border: rgba(26,39,68,0.11);
}
*, *::before, *::after { 
  box-sizing: border-box; 
  margin: 0; 
  padding: 0; 
}


/*---------------------------------------------------------------
	LAYOUT
---------------------------------------------------------------*/
html {
	scroll-behavior: smooth;
	font-size: calc( 16 / var(--root-font-size) * 1rem );
}

body {
	font-family: 'DM Sans', 'Noto Sans JP', sans-serif;
	background-color: var(--white);
	color: var(--text);
	line-height: 1.6;
	overflow-x: hidden;
	-webkit-font-smoothing: antialiased;
}

body::-webkit-scrollbar {  
  display: none; /*Google Chrome、Safari、Microsoft Edge対応*/
}


/* ==========================================================================
   2. NAVIGATION
   ========================================================================== */
nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 70px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 5%;
  z-index: 1000;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--navy);
}

.nav-logo-mark {
  background: var(--navy);
  color: var(--white);
  font-family: 'Noto Serif JP', serif;
  font-weight: 700;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  font-size: 1.1rem;
}

.nav-logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.nav-logo-text strong {
  font-size: 1.2rem;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.nav-logo-text cleanliness {
  font-size: 0.65rem;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.nav-spacer {
  flex-grow: 1;
}

.nav-lang {
  background: rgba(26, 39, 68, 0.05);
  padding: 3px;
  border-radius: 20px;
  margin-right: 20px;
}
.language-switcher {
    display: -webkit-flex;
    display: flex;
    list-style: none;
    padding: 0;
    margin: 0;
}

.language-switcher li {
    display: inline-block; /* フレックスが効かない場合のフォールバック */
}

.lang-btn {
  background: transparent;
  border: none;
  outline: none;
  padding: 6px 14px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-mid);
  cursor: pointer;
  border-radius: 17px;
  transition: all 0.2s ease;
}

.lang-btn.active {
  background: var(--white);
  color: var(--navy);
  box-shadow: 0 2px 6px rgba(0,0,0,0.08);
}

.nav-cta {
  background: var(--red);
  color: var(--white);
  text-decoration: none;
  padding: 10px 20px;
  border-radius: 4px;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: background 0.2s ease;
}

.nav-cta:hover {
  background: #a02e22;
}

/* ==========================================================================
   3. HERO SECTION
   ========================================================================== */
.hero {
  position: relative;
  min-height: 95vh;
  padding: 120px 5% 60px;
  background-color: var(--navy-deep);
  display: grid;
  grid-template-columns: 1.12s 1fr;
  align-items: center;
  gap: 5%;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 80% 20%, rgba(37, 58, 106, 0.4) 0%, transparent 60%);
  z-index: 1;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 40px 40px;
  z-index: 1;
}

.hero-glow {
  position: absolute;
  width: 400px;
  height: 400px;
  background: var(--red);
  filter: blur(160px);
  opacity: 0.12;
  top: 60%;
  left: -100px;
  z-index: 1;
}

.hero-text {
  position: relative;
  z-index: 2;
  color: var(--white);
	text-align: center;
}

.hero-tag {
  display: inline-block;
  background: rgba(201, 150, 26, 0.15);
  border: 1px solid rgba(201, 150, 26, 0.3);
  color: #e5b842;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  margin-bottom: 24px;
  text-transform: uppercase;
}

.hero-title {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(2.5rem, 4.5vw, 4rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 20px;
  letter-spacing: -0.01em;
}

.hero-title .accent {
  color: transparent;
  -webkit-text-stroke: 1px rgba(255,255,255,0.9);
  position: relative;
}

.hero-title .accent::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 8px;
  width: 100%;
  height: 4px;
  background: var(--gold);
  opacity: 0.8;
}

.hero-sub {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.75);
  margin-bottom: 36px;
  font-weight: 300;
}

.hero-ctas {
  display: flex;
	justify-content: center;
  gap: 16px;
}

.btn-primary {
  background: var(--gold);
  color: var(--navy-deep);
  text-decoration: none;
  padding: 14px 28px;
  border-radius: 4px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform 0.2s ease, background 0.2s ease;
  box-shadow: 0 4px 14px rgba(201, 150, 26, 0.3);
}

.btn-primary:hover {
  background: #dba828;
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(255,255,255,0.25);
  text-decoration: none;
  padding: 14px 28px;
  border-radius: 4px;
  font-weight: 500;
  font-size: 0.95rem;
  transition: background 0.2s ease, border 0.2s ease;
}

.btn-outline:hover {
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.5);
}

.hero-video-wrap {
  position: relative;
  z-index: 2;
  width: 100%;
  aspect-ratio: 16/9;
  background: #000;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0,0,0,0.55);
  border: 1px solid rgba(255,255,255,0.08);
}

.hero-video-wrap iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
}

/* ==========================================================================
   4. TAB BAR
   ========================================================================== */
.tab-bar {
  position: sticky;
  top: 70px;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  display: flex;
  padding: 0 5%;
  overflow-x: auto;
  scrollbar-width: none;
  z-index: 900;
  box-shadow: 0 4px 12px rgba(0,0,0,0.02);
}

.tab-bar::-webkit-scrollbar {
  display: none;
}

.tab-btn {
  background: transparent;
  border: none;
  outline: none;
  padding: 20px 24px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-mid);
  cursor: pointer;
  white-space: nowrap;
  position: relative;
  transition: color 0.2s ease;
  display: flex;
  align-items: center;
  gap: 6px;
}

.tab-btn:hover {
  color: var(--navy);
}

.tab-btn.active {
  color: var(--navy);
  font-weight: 600;
}

.tab-btn.active::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--navy);
}

.tab-num {
  font-size: 0.75rem;
  background: rgba(26, 39, 68, 0.06);
  color: var(--navy);
  padding: 2px 6px;
  border-radius: 10px;
  font-weight: 600;
}

.tab-btn.active .tab-num {
  background: rgba(26, 39, 68, 0.12);
}

.new-badge {
  font-size: 0.6rem;
  background: var(--red);
  color: var(--white);
  padding: 1px 4px;
  border-radius: 3px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

/* ==========================================================================
   5. TAB CONTENT GENERAL
   ========================================================================== */
.tab-section {
  display: none;
  animation: fadeIn 0.4s ease forwards;
}

.tab-section.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.section-wrap {
  padding: 80px 5% 100px;
  max-width: 1400px;
  margin: 0 auto;
}

.section-head {
  max-width: 700px;
  margin-bottom: 50px;
}

.section-eyebrow {
  color: var(--red);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}

.section-title {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  color: var(--navy);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1rem;
  color: var(--text-mid);
}

/* ==========================================================================
   6. VIDEO GRIDS & CARDS
   ========================================================================== */
.video-grid {
  display: grid;
  gap: 30px;
}

.video-grid.cols-2 {
  grid-template-columns: repeat(2, 1fr);
}

.video-grid.cols-3 {
  grid-template-columns: repeat(3, 1fr);
}

.video-card {
  background: var(--white);
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
  border: 1px solid var(--border);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.video-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08);
}

.video-thumb-wrap {
  position: relative;
  aspect-ratio: 16/9;
  background: #111;
  cursor: pointer;
  overflow: hidden;
}

.video-thumb-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.video-card:hover .video-thumb-wrap img {
  transform: scale(1.03);
}

.video-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 4px 10px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-radius: 3px;
  z-index: 10;
  box-shadow: 0 2px 6px rgba(0,0,0,0.15);
}

.badge-existing {
  background: rgba(26, 39, 68, 0.85);
  color: var(--white);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  border: 1px solid rgba(255,255,255,0.1);
}

.badge-planning {
  background: rgba(192, 57, 43, 0.9);
  color: var(--white);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  border: 1px solid rgba(255,255,255,0.15);
}

.play-btn {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(13, 22, 35, 0.2);
  transition: background 0.2s ease;
}

.video-thumb-wrap:hover .play-btn {
  background: rgba(13, 22, 35, 0.35);
}

.play-circle {
  width: 54px;
  height: 54px;
  background: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 14px rgba(0,0,0,0.25);
  transition: transform 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.video-thumb-wrap:hover .play-circle {
  transform: scale(1.1);
  background: var(--gold);
}

.play-circle svg {
  width: 22px;
  height: 22px;
  fill: var(--navy-deep);
  margin-left: 2px;
  transition: fill 0.2s ease;
}

.video-thumb-wrap:hover .play-circle svg {
  fill: var(--navy-deep);
}

.video-info {
  padding: 20px;
}

.video-label {
  font-size: 0.75rem;
  color: var(--red);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 6px;
}

.video-title-text {
  font-size: 1.1rem;
  color: var(--navy);
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 10px;
}

.video-note {
  font-size: 0.85rem;
  color: var(--text-mid);
  line-height: 1.5;
}

/* Coming Soon Specific Card */
.video-card.coming-soon .video-thumb-wrap {
  cursor: default;
}

.coming-soon-overlay {
  position: absolute;
  inset: 0;
  background: rgba(26, 39, 68, 0.75);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--white);
  padding: 20px;
  text-align: center;
}

.cs-icon {
  font-size: 1.5rem;
  margin-bottom: 4px;
}

.cs-text {
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.cs-date {
  font-size: 0.75rem;
  color: var(--gold-pale);
  margin-top: 2px;
}

/* ==========================================================================
   7. SCHOLARSHIP CARDS (3-COLUMN MIXED)
   ========================================================================== */
.scholarship-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  align-items: stretch;
}

.sch-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
  position: relative;
}

.sch-card.featured {
  background: var(--navy-deep);
  color: var(--white);
  border-color: var(--navy-deep);
  box-shadow: 0 15px 35px rgba(13,22,37,0.18);
  transform: scale(1.02);
}

.sch-badge {
  align-self: flex-start;
  font-size: 0.7rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 3px;
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.sch-card:not(.featured) .sch-badge {
  background: var(--gold-pale);
  color: #8a650f;
}

.sch-card.featured .sch-badge {
  background: var(--red);
  color: var(--white);
}

.sch-name {
  font-family: 'Noto Serif JP', serif;
  font-size: 1.3rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 24px;
}

.sch-card:not(.featured) .sch-name { color: var(--navy); }
.sch-card.featured .sch-name { color: var(--white); }

.sch-amount-wrap {
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

.sch-card.featured .sch-amount-wrap {
  border-bottom-color: rgba(255,255,255,0.1);
}

.sch-amount-label {
  font-size: 0.75rem;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 4px;
}

.sch-card.featured .sch-amount-label { color: rgba(255,255,255,0.5); }

.sch-amount {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--red);
  line-height: 1.1;
}

.sch-card.featured .sch-amount {
  color: var(--gold);
}

.sch-amount span {
  font-size: 1rem;
  font-weight: 500;
}

.sch-specs {
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 0.88rem;
}

.sch-card:not(.featured) .sch-specs { color: var(--text-mid); }
.sch-card.featured .sch-specs { color: rgba(255,255,255,0.8); }

.sch-spec-item {
  display: flex;
  gap: 8px;
}

.sch-spec-dot {
  color: var(--gold);
  font-weight: 700;
}

/* ==========================================================================
   8. LINE CTA SECTION
   ========================================================================== */
.line-section {
  background: linear-gradient(135deg, #112514 0%, #071208 100%);
  position: relative;
  overflow: hidden;
  padding: 100px 5%;
  color: var(--white);
  text-align: center;
}

.line-section::before {
  content: '';
  position: absolute;
  width: 300px;
  height: 300px;
  background: #06C755;
  filter: blur(140px);
  opacity: 0.15;
  top: -50px;
  right: -50px;
}

.line-inner {
  position: relative;
  z-index: 5;
  max-width: 620px;
  margin: 0 auto;
}

.line-pre {
  color: #06C755;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.line-title {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 16px;
}

.line-desc {
  font-size: 1rem;
  color: rgba(255,255,255,0.75);
  margin-bottom: 32px;
}

.line-perks {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  margin-bottom: 36px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
  padding: 20px;
  border-radius: 6px;
}

.line-perk {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.9);
  font-weight: 500;
}

.btn-line {
  display: inline-block;
  background: #06C755;
  color: var(--white);
  text-decoration: none;
  padding: 16px 40px;
  border-radius: 30px;
  font-weight: 600;
  font-size: 1.05rem;
  box-shadow: 0 4px 20px rgba(6, 199, 85, 0.35);
  transition: transform 0.2s ease, background 0.2s ease;
}

.btn-line:hover {
  background: #05b34c;
  transform: translateY(-2px);
}

/* ==========================================================================
   9. FOOTER
   ========================================================================== */
footer {
  background: var(--navy-deep);
  padding: 60px 5% 40px;
  border-top: 1px solid rgba(255,255,255,0.05);
  color: rgba(255,255,255,0.4);
  font-size: 0.85rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.footer-logo {
  color: rgba(255,255,255,0.7);
  font-weight: 500;
}

.footer-links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  justify-content: center;
}

.footer-links a {
  color: rgba(255,255,255,0.5);
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: var(--white);
}

.footer-copy {
  font-size: 0.75rem;
  margin-top: 12px;
}

/* ==========================================================================
   10. MODAL WINDOW (VIDEO POPUP)
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(13, 22, 35, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  padding: 24px;
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-box {
  position: relative;
  width: 100%;
  max-width: 960px;
  aspect-ratio: 16/9;
  background: #000;
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 30px 70px rgba(0,0,0,0.6);
  transform: scale(0.95);
  transition: transform 0.3s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.modal-overlay.open .modal-box {
  transform: scale(1);
}

.modal-close {
  position: absolute;
  top: -40px;
  right: 0;
  background: transparent;
  border: none;
  outline: none;
  color: var(--white);
  font-size: 1.5rem;
  cursor: pointer;
  opacity: 0.7;
  transition: opacity 0.2s ease;
}

.modal-close:hover {
  opacity: 1;
}

.modal-iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* ==========================================================================
   11. RESPONSIVE MEDIA QUERIES
   ========================================================================== */
@media (max-width: 1024px) {
  .hero {
    grid-template-columns: 1fr;
    padding-top: 100px;
    gap: 40px;
    text-align: center;
  }
  .hero-sub {
    margin-inline: auto;
  }
  .hero-ctas {
    justify-content: center;
  }
  .video-grid.cols-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  .scholarship-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .sch-card.featured {
    transform: none;
  }
}

@media (max-width: 768px) {
  nav {
    padding: 0 4%;
  }
  .nav-lang, .nav-cta {
    display: none; /* シンプルにするためスマホでは非表示、またはハンバーガーメニュー等に格納 */
  }
  .tab-bar {
    top: 70px;
    padding: 0 2%;
  }
  .tab-btn {
    padding: 16px 16px;
    font-size: 0.85rem;
  }
  .video-grid.cols-2, .video-grid.cols-3 {
    grid-template-columns: 1fr;
  }
  .section-wrap {
    padding: 50px 4% 60px;
  }
  .modal-close {
    top: 10px;
    right: 10px;
    background: rgba(0,0,0,0.5);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    z-index: 100;
  }
}