@charset "UTF-8";

*{
  margin:0;
  padding:0;
  box-sizing:border-box;
}

html{
  scroll-behavior:smooth;
}

body{
  font-family:'Noto Sans JP', sans-serif;
  color:#f7fbff;
  overflow-x:hidden;
  background:
    radial-gradient(circle at 20% 20%, rgba(255,255,255,0.20), transparent 22%),
    radial-gradient(circle at 80% 30%, rgba(255,255,255,0.12), transparent 18%),
    radial-gradient(circle at 70% 80%, rgba(255,255,255,0.10), transparent 20%),
    linear-gradient(135deg, #67c7ff 0%, #43b3f4 35%, #1f8fe8 70%, #1576d8 100%);
  background-attachment: fixed;
}

/* ===== HEADER ===== */

.header{
  position:fixed;
  top:0;
  left:0;
  width:100%;
  display:flex;
  justify-content:flex-end;
  padding:24px 32px;
  z-index:1000;
  pointer-events:none;
}

.hamburger{
  width:56px;
  height:56px;
  display:flex;
  flex-direction:column;
  justify-content:center;
  gap:6px;
  background:rgba(255,255,255,0.10);
  backdrop-filter:blur(12px);
  border:1px solid rgba(255,255,255,0.22);
  border-radius:50%;
  cursor:pointer;
  z-index:1001;
  pointer-events:auto;
  box-shadow:0 8px 24px rgba(255,255,255,0.08);
}

.hamburger span{
  width:22px;
  height:2px;
  background:#fff;
  border-radius:10px;
  margin:0 auto;
}

/* ===== MENU ===== */

.menu{
  position:fixed;
  top:0;
  right:-100%;
  width:280px;
  height:100vh;
  background:linear-gradient(135deg, rgba(72,183,244,0.98), rgba(32,126,218,0.98));
  display:flex;
  flex-direction:column;
  justify-content:center;
  gap:32px;
  padding:40px;
  transition:0.4s;
  z-index:999;
  backdrop-filter:blur(12px);
}

.menu a{
  color:#fff;
  text-decoration:none;
  font-size:1.08rem;
  letter-spacing:0.08em;
}

.menu.active{
  right:0;
}

/* ===== HERO ===== */

.hero{
  position:relative;
  width:100%;
  height:85vh;
  overflow:hidden;
  margin-top:40px;
}

.hero-slide{
  position:absolute;
  inset:0;
  background-size:cover;
  opacity:0;
  transition:opacity 1.2s ease;
  transform:scale(1.02);
}

.hero-slide.active{
  opacity:1;
}

.slide1{
  background-image:url('images/photo1.jpg');
  background-position:center center;
}

.slide2{
  background-image:url('images/photo2.jpg');
  background-position:65% center;
}

.slide3{
  background-image:url('images/photo3.jpg');
  background-position:center top;
}

.hero-overlay{
  position:absolute;
  inset:0;
  background:
    linear-gradient(to bottom, rgba(50,150,235,0.15), rgba(10,87,171,0.45)),
    radial-gradient(circle at 30% 25%, rgba(255,255,255,0.15), transparent 30%);
  z-index:2;
}

.hero-logo{
  position:absolute;
  top:50%;
  left:50%;
  transform:translate(-50%,-50%);
  z-index:3;
}

.hero-logo img{
  width:600px;
  max-width:90vw;
  filter:drop-shadow(0 0 18px rgba(255,255,255,0.18));
}

.scroll-indicator{
  position:absolute;
  bottom:35px;
  left:50%;
  transform:translateX(-50%);
  z-index:5;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:12px;
  opacity:0.9;
}

.mouse{
  width:28px;
  height:48px;
  border:1.5px solid rgba(255,255,255,0.85);
  border-radius:20px;
  position:relative;
}

.wheel{
  width:4px;
  height:8px;
  background:#fff;
  border-radius:10px;
  position:absolute;
  top:10px;
  left:50%;
  transform:translateX(-50%);
  animation:wheelMove 1.6s infinite;
}

.scroll-indicator p{
  color:#fff;
  font-size:0.7rem;
  letter-spacing:0.25em;
  text-transform:uppercase;
}

@keyframes wheelMove{
  0%{opacity:0; top:10px;}
  30%{opacity:1;}
  100%{opacity:0; top:24px;}
}

/* ===== SECTION ===== */

.section{
  padding:110px 10%;
  position:relative;
}

.section::before{
  content:"";
  position:absolute;
  inset:20px 7% 20px 7%;
  background:rgba(255,255,255,0.04);
  border:1px solid rgba(255,255,255,0.10);
  border-radius:34px;
  pointer-events:none;
  backdrop-filter:blur(2px);
}

.section > *{
  position:relative;
  z-index:1;
}

.section-title{
  display:flex;
  align-items:center;
  gap:20px;
  margin-bottom:48px;
}

.section-title span{
  font-size:4rem;
  color:#ffd0ee;
  font-weight:800;
  text-shadow:0 0 14px rgba(255,208,238,0.25);
}

.section-title h2{
  font-size:3rem;
  font-weight:800;
  letter-spacing:0.03em;
}

/* ===== ABOUT ===== */

.about-container{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:60px;
  align-items:center;
}

.about-image img{
  width:95%;
  border-radius:28px;
  display:block;
  box-shadow:0 20px 45px rgba(0,0,0,0.10);
}

.about-text{
  line-height:2;
  color:white;
  font-weight:700;
  font-size:1.02rem;
}

.about-text p + p{
  margin-top:25px;
}

.about-result{
  font-size:1.15rem;
  line-height:1.9;
}

.about-result strong{
  display:inline-block;
  margin-top:8px;
  font-size:1.55rem;
  color:#ffffff;
  text-shadow:
    0 0 10px rgba(255,255,255,0.18),
    2px 2px 0 rgba(255,185,225,0.22);
}

/* ===== SONG ===== */

.song-section::before{
  background:rgba(255,255,255,0.05);
}

.song-grid{
  max-width:980px;
  margin:0 auto;
}

.song-card{
  display:grid;
  grid-template-columns:1.1fr 1fr;
  gap:34px;
  align-items:center;
  background:rgba(255,255,255,0.08);
  border:1.5px solid rgba(255,255,255,0.22);
  backdrop-filter:blur(10px);
  border-radius:30px;
  padding:24px;
  box-shadow:0 16px 40px rgba(0,0,0,0.10);
}

.artist-photo{
  width:100%;
  aspect-ratio:16 / 10;
  overflow:hidden;
  border-radius:22px;
}

.artist-photo img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
}

.song-details{
  display:flex;
  flex-direction:column;
  justify-content:center;
}

.song-number{
  display:inline-block;
  color:#ffe2f4;
  font-size:0.95rem;
  font-weight:700;
  letter-spacing:0.12em;
  margin-bottom:18px;
}

.song-card h3{
  font-size:2.5rem;
  margin-bottom:8px;
  color:white;
  line-height:1.3;
}

.artist{
  font-size:1.1rem;
  color:rgba(255,255,255,0.82);
  margin-bottom:28px;
}

/* ===== PLAY BUTTON ===== */

.play-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:14px 30px;
  border-radius:999px;
  border:1.5px solid rgba(255,255,255,0.55);
  background:rgba(255,255,255,0.14);
  color:white;
  font-size:1rem;
  font-weight:700;
  cursor:pointer;
  transition:0.3s;
  width:fit-content;
}

.play-btn:hover{
  background:rgba(255,255,255,0.92);
  color:#1d90e7;
  transform:translateY(-2px);
}

.play-btn.playing{
  background:white;
  color:#1d90e7;
}

/* ===== SCHEDULE / LIVE ===== */

.schedule-note{
  text-align:center;
  color:rgba(255,255,255,0.82);
  font-size:0.92rem;
  margin:0 0 34px;
}

.timeline{
  max-width:760px;
  margin:0 auto;
}

.timeline-item{
  text-align:center;
  padding:14px 0 0;
}

.date{
  font-size:1.15rem;
  font-weight:700;
  color:#ffe2f4;
  letter-spacing:0.08em;
  margin-bottom:14px;
}

.content{
  background:none;
  border:none;
  width:100%;
  padding:0;
}

.content h3{
  font-size:1.4rem;
  font-weight:700;
  margin-bottom:10px;
}

.live-time{
  font-size:3.2rem;
  font-weight:900;
  line-height:1.1;
  color:#ffffff;
  margin-bottom:14px;
  text-shadow:
    0 0 18px rgba(255,255,255,0.16),
    3px 3px 0 rgba(255,200,230,0.18);
}

.live-place{
  font-size:1.15rem;
  color:rgba(255,255,255,0.92);
  letter-spacing:0.04em;
}

/* ===== FOOTER ===== */

.footer{
  padding:30px 10%;
  text-align:center;
}

.footer p{
  margin-top:20px;
  color:white;
}

/* ===== SMARTPHONE ===== */

@media(max-width:768px){

  .hamburger{
    margin-right:-6%;
  }

  .section{
    padding:60px 6%;
  }

  .section::before{
    inset:12px 3% 12px 3%;
    border-radius:24px;
  }

  .hero{
    height:72vh;
  }

  .hero-logo img{
    width:88vw;
    max-width:420px;
  }

  .slide1{ background-position:55% center; }
  .slide2{ background-position:6% center; }
  .slide3{ background-position:45% center; }

  .section-title{
    gap:14px;
    margin-bottom:25px;
  }

  .section-title span{
    font-size:40px;
  }

  .section-title h2{
    font-size:30px;
  }

  .about-container{
    grid-template-columns:1fr;
    gap:36px;
  }

  .about-image img{
    width:100%;
  }

  .about-text{
    font-size:13px;
    line-height:2;
  }

  .about-result{
    font-size:1rem;
  }

  .about-result strong{
    font-size:1.3rem;
  }

  .song-card{
    grid-template-columns:1fr;
    gap:22px;
    padding:18px;
  }

  .song-card h3{
    font-size:1.8rem;
  }

  .artist{
    font-size:0.95rem;
    margin-bottom:22px;
  }

  .play-btn{
    padding:12px 26px;
    font-size:0.92rem;
  }

  .schedule-note{
    font-size:0.8rem;
    margin-bottom:24px;
  }

  .date{
    font-size:1rem;
    margin-bottom:10px;
  }

  .content h3{
    font-size:1.1rem;
    margin-bottom:8px;
  }

  .live-time{
    font-size:2.2rem;
  }

  .live-place{
    font-size:1rem;
    line-height:1.8;
  }

  .menu{
    width:100%;
  }

  .footer{
    padding:24px 6%;
  }

  .footer p{
    font-size:0.8rem;
  }
}

/* ===== ジャケット写真に寄せた、軽やかな装飾 ===== */
main{position:relative;isolation:isolate}
.floating-doodles{position:absolute;inset:0;overflow:hidden;pointer-events:none;z-index:-1}
.floating-doodles span{position:absolute;color:#ffe8a2;font-size:clamp(35px,6vw,85px);opacity:.65;text-shadow:2px 3px 0 #f7b9e0;transform:rotate(-18deg)}
.floating-doodles span:nth-child(1){top:7%;right:6%}
.floating-doodles span:nth-child(2){top:39%;left:3%;color:#fff}
.floating-doodles span:nth-child(3){top:65%;right:5%;color:#ffd6ed}
.floating-doodles span:nth-child(4){bottom:6%;left:8%}
.section::before{display:none}
.section-title span{color:#ffe49c;text-shadow:3px 3px 0 rgba(255,136,203,.55)}
.section-title h2{text-shadow:2px 3px 0 rgba(15,113,200,.25)}
.about-image img{border-radius:8px;transform:rotate(-2deg);box-shadow:12px 14px 0 rgba(255,226,169,.3)}
.about-result strong{color:#fff4b9;text-shadow:2px 3px 0 rgba(255,134,200,.45)}
.song-grid{max-width:1040px;display:grid;gap:30px}
.cover-showcase{width:min(76%,550px);margin:0 auto -12px;position:relative;transform:rotate(-2deg);z-index:2}
.cover-showcase img{display:block;width:100%;aspect-ratio:1;object-fit:cover;box-shadow:14px 16px 0 rgba(255,196,226,.38),0 22px 42px rgba(0,73,149,.2)}
.cover-spark{position:absolute;right:-27px;top:-40px;font-size:90px;color:#fff3b5;text-shadow:3px 3px 0 #ffb6da}
.song-card{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.45);box-shadow:0 14px 35px rgba(0,87,164,.13);border-radius:14px;padding:34px}
.song-number{color:#ffebaf}
.play-btn{background:#ffcee8;color:#1469ad;border:2px solid white;box-shadow:5px 6px 0 rgba(17,111,189,.25)}
.play-btn:hover,.play-btn.playing{background:#fff1b7;color:#1469ad}
#schedule{text-align:center;padding-bottom:150px}
#schedule .section-title{justify-content:flex-start;text-align:left}
#schedule .timeline{position:relative;padding:30px 10px 40px}
#schedule .timeline:before,#schedule .timeline:after{content:'✧';position:absolute;font-size:clamp(70px,12vw,140px);color:#ffe4a0;opacity:.7;transform:rotate(-15deg)}
#schedule .timeline:before{left:0;top:-10px}
#schedule .timeline:after{right:0;bottom:-10px;color:#ffd3ed}
#schedule .date{font-size:clamp(1.35rem,3vw,2rem);color:#fff0b8;margin-bottom:18px}
#schedule .content h3{font-size:1.2rem;margin-bottom:22px}
#schedule .live-time{font-size:clamp(2.7rem,7vw,5.7rem);letter-spacing:-.035em;white-space:nowrap;text-shadow:4px 5px 0 rgba(255,159,209,.55)}
.time-dash{font-size:.55em;vertical-align:12%;color:#fff1bd}
#schedule .live-place{font-size:clamp(1.1rem,2.5vw,1.5rem);font-weight:800}
@media(max-width:768px){.cover-showcase{width:88%;margin-bottom:-8px}.cover-spark{font-size:55px;right:-12px;top:-26px}.song-card{padding:19px}.floating-doodles span{opacity:.45}#schedule{padding-bottom:90px}#schedule .timeline:before{left:-8px;top:25px}#schedule .timeline:after{right:-10px;bottom:-25px}#schedule .live-time{font-size:clamp(2.1rem,8.8vw,3.4rem)}}


/* ===== 画像入れ替え調整 ===== */
.about-image img{
  object-fit:cover;
}

.song-grid{
  display:block;
  max-width:980px;
}

.cover-showcase,
.cover-spark{
  display:none;
}

.artist-photo.cover-art{
  aspect-ratio:1 / 1;
  background:rgba(255,255,255,0.08);
  padding:0;
  border-radius:18px;
  box-shadow:10px 12px 0 rgba(255,196,226,.30);
}

.artist-photo.cover-art img{
  width:100%;
  height:100%;
  object-fit:cover;
}

@media(max-width:768px){
  .song-grid{max-width:100%;}
  .artist-photo.cover-art{aspect-ratio:1 / 1;}
}

/* ===== 空想ハイライト：空と光をイメージした背景 ===== */
body {
  background:
    radial-gradient(ellipse 48% 20% at 14% 17%, rgba(255,244,190,.35), transparent 75%),
    radial-gradient(ellipse 46% 22% at 91% 43%, rgba(255,202,232,.29), transparent 78%),
    radial-gradient(ellipse 60% 24% at 18% 76%, rgba(210,246,255,.26), transparent 80%),
    linear-gradient(160deg, #8bd8fa 0%, #5bbdf3 24%, #4b9ce9 51%, #668be3 74%, #6aa9ed 100%);
  background-attachment: fixed;
}
main {
  position: relative;
  isolation: isolate;
}
main::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(ellipse 20% 5% at 16% 9%, rgba(255,255,255,.20), transparent 85%),
    radial-gradient(ellipse 24% 6% at 81% 31%, rgba(255,255,255,.17), transparent 85%),
    radial-gradient(ellipse 28% 5% at 21% 62%, rgba(255,255,255,.15), transparent 85%),
    radial-gradient(ellipse 23% 6% at 76% 91%, rgba(255,255,255,.18), transparent 85%);
}
.floating-doodles span {
  opacity: .62;
  text-shadow: 2px 3px 0 rgba(247,157,205,.45), 0 0 18px rgba(255,255,255,.24);
}
.floating-doodles span:nth-child(2) { color: #fff8c7; }
.floating-doodles span:nth-child(3) { color: #ffe1ed; }
#about::after, #songs::after {
  content: "✧";
  position: absolute;
  z-index: 0;
  pointer-events: none;
  font-size: clamp(48px, 8vw, 110px);
  font-weight: 400;
  color: rgba(255,247,199,.45);
  text-shadow: 3px 4px 0 rgba(244,167,207,.25);
}
#about::after { right: 6%; bottom: 3%; transform: rotate(18deg); }
#songs::after { left: 5%; bottom: 4%; transform: rotate(-13deg); }
@media (max-width: 768px) {
  body { background-attachment: scroll; }
  #about::after { right: 3%; bottom: 0; font-size: 55px; }
  #songs::after { left: 2%; bottom: 0; font-size: 50px; }
}
@media (prefers-reduced-motion: reduce) {
  .floating-doodles span { animation: none; }
}


/* ======================================================
   第68回三田祭「空想ハイライト」― イラスト背景版
   装飾は透過SVG。本文や楽曲カードの配置は変えない。
   ====================================================== */
body {
  /* 縦に一様なグラデーションではなく、セクションごとに場面を変える */
  background: #419fe8;
  background-attachment: scroll;
}
main { overflow: hidden; isolation: isolate; }
main::before { content: none; }
.floating-doodles { display: none; }
.section {
  isolation: isolate;
  padding-top: 125px;
  padding-bottom: 150px;
}
.section::before { display: none; }
#about::after, #songs::after { content: none; }

/* 01: 水色の空、光、ノートの落書き */
#about {
  background-color: #5cbbf1;
  background-image:
    url('images/doodles-about-sparkle.svg'),
    radial-gradient(ellipse 60% 62% at 1% 8%, rgba(221,249,255,.30), transparent 78%),
    radial-gradient(ellipse 50% 58% at 102% 86%, rgba(255,214,233,.30), transparent 80%),
    linear-gradient(148deg, #85d8f5 0%, #59b9ee 50%, #429bdf 100%);
  background-position: center, center, center, center;
  background-size: cover, cover, cover, cover;
}
/* wave edge softens the join with the next color scene */
#about::before {
  display: block;
  content: '';
  position: absolute;
  width: 120%;
  height: 110px;
  bottom: -73px;
  left: -10%;
  z-index: 3;
  pointer-events: none;
  background: #2878cb;
  border-radius: 52% 48% 0 0 / 65% 80% 0 0;
  transform: rotate(-1.6deg);
  opacity: .97;
}

/* 02: 青の濃淡にピンクのペイント、音楽と文房具の線画 */
#songs {
  background-color: #2878cb;
  background-image:
    url('images/doodles-song-music.svg'),
    radial-gradient(ellipse 46% 45% at 52% 45%, rgba(108,193,255,.52), transparent 86%),
    radial-gradient(ellipse 38% 42% at 98% 75%, rgba(212,152,242,.20), transparent 84%),
    linear-gradient(148deg, #2878cb 0%, #2074ca 37%, #1261b7 100%);
  background-position: center;
  background-size: cover;
  padding-top: 165px;
}
#songs .song-card {
  background: rgba(255,255,255,.14);
  box-shadow: 0 22px 60px rgba(5,46,111,.22);
}
/* Soft spotlight behind jacket image, not another frame */
#songs .song-grid { position: relative; }
#songs .song-grid::before {
  content: '';
  position: absolute;
  width: 84%;
  height: 83%;
  top: 8%;
  left: 8%;
  background: radial-gradient(ellipse at center, rgba(199,234,255,.25), transparent 72%);
  filter: blur(19px);
  z-index: -1;
  pointer-events: none;
}

/* 03: 明るいステージの光をイメージした背景に手描きの放射線 */
#schedule {
  background-color: #267bbf;
  background-image:
    url('images/doodles-live.svg'),
    radial-gradient(ellipse 50% 50% at 50% 47%, rgba(119,209,251,.39), transparent 88%),
    radial-gradient(ellipse 44% 48% at 8% 90%, rgba(253,181,218,.21), transparent 80%),
    linear-gradient(175deg, #1465af 0%, #268dce 63%, #368cdb 100%);
  background-size: cover;
  background-position: center;
  padding-top: 140px;
  padding-bottom: 160px;
}
#schedule::before {
  content: '';
  display: block;
  position: absolute;
  width: 120%;
  height: 88px;
  left: -10%;
  top: -52px;
  background: #1465af;
  border-radius: 50% 50% 0 0 / 90% 85% 0 0;
  transform: rotate(1.4deg);
  pointer-events: none;
}
#schedule .timeline::before,
#schedule .timeline::after { display: none; }
#schedule .timeline-item { padding-top: 25px; }
#schedule .live-time {
  color: #fffef7;
  text-shadow: 4px 5px 0 rgba(255,139,200,.44), 0 0 30px rgba(199,237,255,.30);
}

@media (max-width: 768px) {
  .section { padding-top: 85px; padding-bottom: 100px; }
  #about, #songs, #schedule {
    background-size: auto 100%, cover, cover, cover;
    background-position: center center;
  }
  #about { background-position: 42% center, center, center, center; }
  #songs { padding-top: 110px; background-position: 50% center, center, center, center; }
  #schedule { padding-top: 110px; padding-bottom: 115px; background-position: 51% center, center, center, center; }
  #about::before { height: 73px; bottom: -48px; }
  #schedule::before { height: 66px; top: -39px; }
}

/* ==================================================
   修正版：ページ全体を同じ青に統一。
   元の手描きSVGを戻し、装飾を文字の外側だけに表示。
   ================================================== */
html, body { background: #419fe8 !important; }
main { background: #419fe8; }
#about, #songs, #schedule {
  background: #419fe8 !important;
  isolation: isolate;
  overflow: hidden;
  position: relative;
  padding: 132px 13% 142px;
}
#about::before, #songs::before, #schedule::before {
  content: "" !important;
  display: block !important;
  position: absolute;
  inset: 0;
  width: auto;
  height: auto;
  left: 0;
  top: 0;
  bottom: 0;
  border: 0;
  border-radius: 0;
  background-color: transparent !important;
  background-repeat: no-repeat;
  background-position: center center;
  background-size: cover;
  transform: none;
  opacity: 1;
  pointer-events: none;
  z-index: 0;
  /* イラストは左右の余白と上下の余白だけ */
  -webkit-mask-image:
    linear-gradient(to right, #000 0%, #000 9%, transparent 12%, transparent 88%, #000 91%, #000 100%),
    linear-gradient(to bottom, #000 0%, #000 76px, transparent 105px, transparent calc(100% - 105px), #000 calc(100% - 76px), #000 100%);
  mask-image:
    linear-gradient(to right, #000 0%, #000 9%, transparent 12%, transparent 88%, #000 91%, #000 100%),
    linear-gradient(to bottom, #000 0%, #000 76px, transparent 105px, transparent calc(100% - 105px), #000 calc(100% - 76px), #000 100%);
  -webkit-mask-composite: source-over;
  mask-composite: add;
}
#about::before { background-image: url('images/doodles-about-sparkle.svg') !important; }
#songs::before { background-image: url('images/doodles-song-music.svg') !important; }
#schedule::before { background-image: url('images/doodles-live.svg') !important; }
#about::after, #songs::after, #schedule::after {
  content: none !important;
  display: none !important;
}
.section > * { position: relative; z-index: 2; }
#schedule .timeline::before, #schedule .timeline::after { display: none !important; }
.floating-doodles { display: none !important; }
#songs .song-card { background: rgba(255,255,255,.13); }
@media(max-width: 768px) {
  #about, #songs, #schedule { padding: 116px 7% 125px; }
  #about::before, #songs::before, #schedule::before {
    background-size: auto 100%;
    background-position: center;
    /* スマホは上下の空白だけに装飾を表示。文字と絶対に重ならない */
    -webkit-mask-image: linear-gradient(to bottom, #000 0, #000 72px, transparent 92px, transparent calc(100% - 92px), #000 calc(100% - 72px), #000 100%);
    mask-image: linear-gradient(to bottom, #000 0, #000 72px, transparent 92px, transparent calc(100% - 92px), #000 calc(100% - 72px), #000 100%);
  }
  #schedule .live-time { font-size: clamp(2.05rem, 8.5vw, 3.4rem); }
}

/* ============================================================
   スマホ：PCと同じ手描きSVGを再配置するだけ（画像・色・文字は変更しない）
   PCで左右に置かれている絵を、狭い画面の上下の余白へ見せる。
   ============================================================ */
@media screen and (max-width: 768px) {
  #about::before,
  #songs::before,
  #schedule::before {
    /* PC版と同じ画像を、左端・右端が見えるよう2枚配置 */
    background-size: 850px 532px, 850px 532px !important;
    background-position: left top, right bottom !important;
    background-repeat: no-repeat, no-repeat !important;
    /* 画像は上下の余白と画面端にのみ表示し、文章や写真に重ねない */
    -webkit-mask-image:
      linear-gradient(to bottom, #000 0, #000 104px, transparent 142px, transparent calc(100% - 142px), #000 calc(100% - 104px), #000 100%),
      linear-gradient(to right, #000 0, #000 12px, transparent 32px, transparent calc(100% - 32px), #000 calc(100% - 12px), #000 100%);
    mask-image:
      linear-gradient(to bottom, #000 0, #000 104px, transparent 142px, transparent calc(100% - 142px), #000 calc(100% - 104px), #000 100%),
      linear-gradient(to right, #000 0, #000 12px, transparent 32px, transparent calc(100% - 32px), #000 calc(100% - 12px), #000 100%);
    -webkit-mask-composite: source-over;
    mask-composite: add;
  }
  #about::before {
    background-image: url('images/doodles-about-sparkle.svg'), url('images/doodles-about-sparkle.svg') !important;
  }
  #songs::before {
    background-image: url('images/doodles-song-music.svg'), url('images/doodles-song-music.svg') !important;
  }
  #schedule::before {
    /* スマホのみマイクなし画像を使う。PC版はそのまま。 */
    background-image: url('images/doodles-live-mobile.svg'), url('images/doodles-live-mobile.svg') !important;
  }
}