/* ONE SONG singer recruitment page */
/* ONE SONG 共通フォーム（singer/vocal） */
.os-frm-hero{background:linear-gradient(170deg,#fef0f0 0%,var(--os-cream) 80%);padding:120px 0 64px;text-align:center;}
.os-frm-hero__kicker{font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--os-rose);font-weight:700;margin:0 0 16px;}
.os-frm-hero__title{font-size:32px;font-weight:800;line-height:1.5;color:var(--os-charcoal);margin:0 0 16px;}
.os-frm-hero__lead{font-size:16px;line-height:2;color:var(--os-text);max-width:680px;margin:0 auto;}
.os-frm-section{padding:56px 0 80px;background:var(--os-cream);}
.os-frm-inner{max-width:760px;margin:0 auto;padding:0 24px;}
.os-frm-why{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:0 0 48px;}
.os-frm-why__item{background:#fff;border:1px solid rgba(212,114,143,.18);border-radius:14px;padding:24px 20px;text-align:center;}
.os-frm-why__t{font-size:15px;font-weight:700;color:var(--os-charcoal);margin:0 0 8px;}
.os-frm-why__p{font-size:13px;line-height:1.8;color:var(--os-text);margin:0;}
.os-frm-card{background:#fff;border-radius:20px;box-shadow:0 10px 40px rgba(142,67,96,.08);padding:44px 40px;}
.os-frm-sec-label{font-size:12px;letter-spacing:.15em;text-transform:uppercase;color:var(--os-rose);font-weight:700;margin:0 0 18px;}
.os-frm-group{margin:0 0 20px;}
.os-frm-label{display:block;font-size:14px;font-weight:600;color:var(--os-charcoal);margin:0 0 8px;}
.os-frm-req{display:inline-block;font-size:10px;font-weight:700;color:#fff;background:var(--os-rose);border-radius:4px;padding:2px 7px;margin-left:6px;vertical-align:middle;}
.os-frm-opt{display:inline-block;font-size:10px;color:var(--os-text);border:1px solid rgba(0,0,0,.12);border-radius:4px;padding:1px 6px;margin-left:6px;vertical-align:middle;}
.os-frm-row{display:flex;gap:16px;}
.os-frm-half{flex:1;min-width:0;}
.os-frm-input,.os-frm-select,.os-frm-textarea{width:100%;border:1.5px solid rgba(0,0,0,.12);border-radius:10px;padding:13px 14px;font-size:15px;color:var(--os-charcoal);background:#fff;font-family:inherit;transition:border-color .2s;}
.os-frm-input:focus:not(:focus-visible),.os-frm-select:focus:not(:focus-visible),.os-frm-textarea:focus:not(:focus-visible){outline:none;border-color:var(--os-rose);}
.os-frm-textarea{min-height:120px;resize:vertical;line-height:1.7;}
.os-frm-hint{font-size:12px;color:var(--os-text);margin:6px 0 0;}
.os-frm-checks{display:flex;flex-wrap:wrap;gap:10px;}
.os-frm-check{display:inline-flex;align-items:center;gap:7px;font-size:13.5px;color:var(--os-charcoal);background:#faf3f5;border:1px solid rgba(212,114,143,.22);border-radius:9px;padding:9px 14px;cursor:pointer;}
.os-frm-check input{accent-color:var(--os-rose);}
.os-frm-agree{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--os-text);line-height:1.7;}
.os-frm-agree input{margin-top:3px;accent-color:var(--os-rose);}
.os-frm-hr{border:none;border-top:1px solid rgba(0,0,0,.08);margin:30px 0;}
.os-frm-submit{width:100%;background:var(--os-rose);color:#fff;font-size:16px;font-weight:700;border:none;border-radius:999px;padding:17px;margin-top:8px;cursor:pointer;box-shadow:0 8px 22px rgba(212,114,143,.28);transition:transform .2s,box-shadow .2s;}
.os-frm-submit:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(212,114,143,.4);}
.os-frm-success{background:#fff;border-radius:20px;box-shadow:0 10px 40px rgba(142,67,96,.08);padding:56px 40px;text-align:center;}
.os-frm-success__t{font-size:22px;font-weight:800;color:var(--os-charcoal);margin:0 0 14px;}
.os-frm-success__p{font-size:15px;line-height:1.9;color:var(--os-text);margin:0 auto 28px;max-width:480px;}
.os-frm-error{background:#fdecf1;border:1px solid var(--os-pink-mid);border-radius:12px;padding:16px 18px;margin:0 0 24px;}
.os-frm-error p{margin:0;font-size:13.5px;color:#8e4360;}
@media(max-width:640px){
  .os-frm-hero{padding:100px 0 48px;}
  .os-frm-hero__title{font-size:24px;}
  .os-frm-hero__lead br{display:none;}
  .os-frm-why{grid-template-columns:1fr;}
  .os-frm-card,.os-frm-success{padding:32px 22px;}
  .os-frm-row{flex-direction:column;gap:20px;}
}
.os-mission{padding:64px 0;background:#fff;text-align:center;}
.os-mission__h2{font-size:26px;font-weight:800;color:var(--os-charcoal);line-height:1.5;margin:10px 0 20px;}
.os-mission__p{font-size:15.5px;line-height:2.1;color:var(--os-text);max-width:680px;margin:0 auto;}
.os-mission__p strong{color:var(--os-rose);}
@media(max-width:640px){.os-mission{padding:48px 0;}.os-mission__h2{font-size:21px;}.os-mission__h2 br,.os-mission__p br{display:none;}}
.os-gallery__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.os-gallery__card{background:#fff;border:1px solid rgba(212,114,143,.16);border-radius:14px;overflow:hidden;box-shadow:0 6px 22px rgba(142,67,96,.06);}
.os-gallery__thumb{width:100%;aspect-ratio:1/1;object-fit:cover;display:block;background:#faf3f5;}
.os-gallery__noimg{width:100%;aspect-ratio:1/1;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#faf3f5,#fdecf1);color:var(--os-rose);font-size:30px;}
.os-gallery__body{padding:14px 14px 16px;}
.os-gallery__name{font-size:15px;font-weight:700;color:var(--os-charcoal);margin:0 0 6px;}
.os-gallery__tags{font-size:11.5px;color:var(--os-text);line-height:1.6;margin:0 0 10px;min-height:1.6em;}
.os-gallery__sample{font-size:12px;font-weight:700;color:var(--os-rose);}
@media(max-width:880px){.os-gallery__grid{grid-template-columns:repeat(3,1fr);}}
@media(max-width:640px){.os-gallery__grid{grid-template-columns:repeat(2,1fr);gap:12px;}}
/* 歌い手募集ページ 上質化 */
#onesong-singer .os-frm-hero{position:relative;overflow:hidden;}
#onesong-singer .os-frm-hero::before{content:'';position:absolute;top:-70px;right:-50px;width:280px;height:280px;border-radius:50%;background:radial-gradient(circle,rgba(212,114,143,.18),transparent 70%);pointer-events:none;}
#onesong-singer .os-frm-hero::after{content:'';position:absolute;bottom:-90px;left:-70px;width:320px;height:320px;border-radius:50%;background:radial-gradient(circle,rgba(232,164,184,.16),transparent 70%);pointer-events:none;}
#onesong-singer .os-frm-hero .os-frm-inner{position:relative;z-index:2;}
#onesong-singer .osg-notes{position:absolute;inset:0;z-index:1;pointer-events:none;overflow:hidden;}
#onesong-singer .osg-notes span{position:absolute;color:rgba(212,114,143,.28);font-size:26px;animation:osgFloat 6s ease-in-out infinite;}
#onesong-singer .osg-notes span:nth-child(1){top:18%;left:10%;font-size:22px;animation-delay:0s;}
#onesong-singer .osg-notes span:nth-child(2){top:28%;right:13%;font-size:30px;animation-delay:1.2s;}
#onesong-singer .osg-notes span:nth-child(3){bottom:26%;left:17%;font-size:18px;animation-delay:2.4s;}
#onesong-singer .osg-notes span:nth-child(4){bottom:20%;right:20%;font-size:24px;animation-delay:.6s;}
@keyframes osgFloat{0%,100%{transform:translateY(0);opacity:.85;}50%{transform:translateY(-14px);opacity:1;}}
#onesong-singer .os-frm-why__item{position:relative;padding-top:28px;}
#onesong-singer .os-frm-why__num{width:46px;height:46px;border-radius:50%;margin:0 auto 14px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--os-rose),var(--os-pink-dark));color:#fff;font-weight:800;font-size:18px;font-family:'DM Sans','Noto Sans JP',sans-serif;box-shadow:0 8px 18px rgba(142,67,96,.22);}
#onesong-singer .os-frm-sec-label--center{text-align:center;}
#onesong-singer .os-frm-section--flow{padding-bottom:20px;}
#onesong-singer .os-frm-section--gallery{padding-top:24px;padding-bottom:24px;background:#fff;}
#onesong-singer .os-gallery__head{text-align:center;margin-bottom:32px;}
#onesong-singer .os-gallery__title{font-size:24px;margin:8px 0 0;}
#onesong-singer .os-frm-section--form{padding-top:20px;}
@media(prefers-reduced-motion:reduce){#onesong-singer .osg-notes span{animation:none;}}

/* Accessibility: stable touch targets and keyboard focus */
#onesong-singer .os-frm-check,
#onesong-singer .os-frm-submit,
#onesong-singer input,
#onesong-singer select,
#onesong-singer textarea {
  min-height: 44px;
}

#onesong-singer .os-frm-check {
  align-items: center;
}

#onesong-singer .os-frm-check:focus-within,
#onesong-singer .os-frm-submit:focus-visible,
#onesong-singer input:focus-visible,
#onesong-singer select:focus-visible,
#onesong-singer textarea:focus-visible {
  outline: 3px solid rgba(212, 114, 143, 0.85);
  outline-offset: 4px;
}