@charset "UTF-8";
:root{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans JP",sans-serif;color:#134d4e;background:#fcf9f5;line-height:1.7;font-synthesis:none;--teal:#124e50;--pink:#d58e9e;--muted:#738181;--line:#e4e5dd}*{box-sizing:border-box}body{margin:0}button,input{font:inherit}.site-header{max-width:1160px;margin:auto;height:100px;padding:18px 40px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand{display:block;width:185px}.brand img{display:block;width:100%;height:auto}.header-note{font-size:11px;letter-spacing:.12em;color:#687d78}main{max-width:1060px;margin:auto;padding:0 40px}.hero{min-height:375px;display:grid;grid-template-columns:1.1fr 1fr;align-items:center;gap:30px;padding:42px 0 46px}.eyebrow{font-size:9px;font-weight:650;letter-spacing:.19em;color:#7c9790;margin:0 0 16px}h1{font-family:"Yu Mincho","Hiragino Mincho ProN",serif;font-weight:500;letter-spacing:.055em;font-size:clamp(30px,3.6vw,43px);line-height:1.65;margin:0 0 17px}.intro{font-size:13px;color:#6e807b;line-height:1.95;margin:0}.hero-tag{display:inline-flex;gap:8px;align-items:center;margin-top:21px;font-size:10px;color:#7d8b81;letter-spacing:.04em}.hero-tag>span{font-size:17px;color:var(--pink)}.hero-art{position:relative;height:280px;isolation:isolate;overflow:hidden;border-radius:45%}.orb{position:absolute;border-radius:48% 52% 55% 45%/56% 44% 56% 44%}.orb-back{width:218px;height:218px;background:#eed5d7;left:15%;top:7%;transform:rotate(-25deg)}.orb-front{width:195px;height:215px;background:linear-gradient(135deg,#32716c,#175457);left:42%;top:20%;transform:rotate(28deg);box-shadow:10px 15px 30px #154e5014}.ripple{position:absolute;border:1px solid #ffffff6b;border-radius:50%;width:125px;height:125px;left:50%;top:35%}.ripple-two{width:90px;height:90px;left:54%;top:41%}.art-text{position:absolute;left:8%;bottom:7%;font-family:Georgia,serif;font-style:italic;font-size:21px;line-height:1.3;z-index:2;color:#7a7971}.art-star{position:absolute;right:7%;top:5%;font-size:40px;color:var(--pink)}.small-only{display:none}.settings-fieldset{border:0;padding:0;margin:0;min-width:0}.section-top{display:flex;align-items:center;justify-content:space-between;gap:20px;border-top:1px solid var(--line);padding-top:36px}.section-top .eyebrow{margin-bottom:10px}h2{font-size:22px;font-weight:600;letter-spacing:.025em;margin:0 0 9px}.section-help{font-size:12px;color:var(--muted);margin:0}.selection-count{font-size:10px;white-space:nowrap;color:#738982}.selection-count strong{font-family:Georgia,serif;font-size:27px;font-weight:400;margin-right:5px;color:var(--teal)}.suggestion{display:flex;align-items:center;gap:8px;font-size:11px;color:#8c7c79;margin:25px 0 13px}.tiny-flower{color:var(--pink);font-size:20px}.sound-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.sound-option{position:relative;cursor:pointer;min-width:0;display:block}.sound-option input{position:absolute;width:1px;height:1px;opacity:0}.card{border:1px solid var(--line);border-radius:16px;display:flex;align-items:center;gap:12px;min-height:108px;padding:18px 15px;background:#fffdf9}.sound-icon{height:38px;width:38px;flex:0 0 38px;display:grid;place-items:center;font-size:24px;color:#7e9690;background:#f1f2eb;border-radius:13px}.sound-copy{display:flex;flex-direction:column;gap:4px;min-width:0}.sound-name{font-size:14px;font-weight:600}.sound-description{font-size:9px;color:#839089;line-height:1.7}.check-mark{width:21px;height:21px;flex:0 0 21px;border:1px solid #cfd9d0;color:transparent;border-radius:50%;font-size:12px;display:grid;place-items:center;margin-left:auto}.sound-option input:checked+.card{background:#edf3ed;border-color:#67918a}.sound-option input:checked+.card .check-mark{background:var(--teal);border-color:var(--teal);color:white}.sound-option input:checked+.card .sound-icon{background:#dce8df;color:var(--teal)}.sound-option input:focus-visible+.card{outline:3px solid var(--pink);outline-offset:3px}.sound-option:hover .card{border-color:#9bb4a7}.more-sounds{margin:23px 0 28px;border-bottom:1px solid var(--line)}summary{cursor:pointer;font-size:12px;list-style:none;display:flex;align-items:center;justify-content:space-between;padding:8px 0 19px;color:#668178}summary::-webkit-details-marker{display:none}summary>span{font-size:20px;font-weight:300}details[open] summary>span{transform:rotate(45deg)}.more-sounds .sound-grid{padding-bottom:25px}.safety-note{display:flex;align-items:flex-start;gap:14px;background:#f3eee8;border-radius:16px;padding:23px 25px;margin:25px 0}.safety-icon{border:1px solid #adbbb0;color:#668178;border-radius:50%;width:24px;height:24px;display:grid;place-items:center;flex-shrink:0;font-size:12px;margin-top:2px}.safety-note h3{font-size:13px;font-weight:600;margin:0 0 5px}.safety-note p{font-size:11px;color:#7a847d;margin:0;line-height:1.9}.save-panel{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:8px 0 26px}.save-panel p{font-size:12px;color:#627e72;margin:0}.save-panel>div>span{font-size:10px;color:#8b978e}.save-button{background:var(--teal);border:0;color:#fffaf4;min-height:54px;padding:15px 25px;border-radius:28px;font-size:12px;letter-spacing:.04em;cursor:pointer;white-space:nowrap}.save-button>span{margin-left:30px}.save-button:hover{background:#246566}button:focus-visible,summary:focus-visible{outline:3px solid var(--pink);outline-offset:4px}.prototype-note{font-size:10px;color:#91968c;border-top:1px solid var(--line);padding-top:19px;line-height:1.9;margin:0 0 28px}footer{max-width:1060px;margin:auto;padding:20px 40px 30px;display:flex;align-items:center;justify-content:space-between;color:#a0a39a;font-size:10px}.footer-name{font-family:Georgia,serif;font-size:21px;font-weight:bold;color:#7b9690}.notice{font-size:13px;padding:16px 20px;border-radius:13px}.success{background:#e5eee3}.error{background:#f5dfdf;color:#873e49}fieldset:disabled{opacity:.65}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
@media(max-width:950px){.sound-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.hero-art{height:250px}.orb-back{left:2%}.orb-front{left:28%}.ripple-one{left:37%}.ripple-two{left:43%}.art-star{right:1%}.art-text{left:0;font-size:19px}}
@media(max-width:640px){.site-header{height:80px;padding:13px 23px}.brand{width:148px}.header-note{font-size:9px;letter-spacing:0}main{padding:0 22px}.hero{min-height:0;gap:0;padding:31px 0 27px;position:relative;display:block}.hero-copy{position:relative;z-index:2}h1{font-size:30px;margin-bottom:15px}.intro{font-size:12px}.hero-art{position:absolute;width:155px;height:200px;right:-10px;top:45px;opacity:.4;z-index:0}.orb-back{width:105px;height:118px;top:5%;left:0}.orb-front{width:102px;height:119px;top:23%;left:33%}.ripple-one{width:65px;height:65px;top:37%;left:43%}.ripple-two{width:45px;height:45px;top:42%;left:49%}.art-text{display:none}.art-star{font-size:25px;top:0}.hero-tag{margin-top:16px}.section-top{padding-top:25px;align-items:flex-start;gap:8px}h2{font-size:18px}.section-help{font-size:10px}.section-top .eyebrow{font-size:8px;letter-spacing:.12em}.selection-count{margin:18px 0 0;font-size:9px}.selection-count strong{font-size:23px}.sound-grid{gap:10px}.card{min-height:120px;padding:14px 11px;align-items:flex-start;position:relative;flex-direction:column;gap:8px}.sound-icon{width:30px;height:30px;flex-basis:30px;font-size:20px;border-radius:10px}.sound-name{font-size:13px}.sound-description{font-size:9px}.check-mark{position:absolute;right:12px;top:17px;width:19px;height:19px}.suggestion{font-size:10px;margin-top:18px}.safety-note{padding:19px 17px;gap:10px;margin:20px 0}.safety-note p{font-size:10px}.safety-note h3{font-size:12px}.save-panel{flex-direction:column;align-items:stretch;gap:13px;padding-bottom:23px}.save-panel>div{text-align:center}.save-panel p{font-size:11px}.save-button{width:100%;min-height:52px}.prototype-note{font-size:9px}footer{padding:14px 22px 25px}.small-only{display:block}}
@media(prefers-reduced-motion:no-preference){.card{transition:background .15s,border-color .15s}}