@charset "UTF-8";

:root{color-scheme:light;--ink:#213d36;--muted:#87968f;--green:#3c7863;--line:#e8ede9;--page:#f6f8f4;font-family:Inter,"PingFang SC","Microsoft YaHei",system-ui,sans-serif;font-synthesis:none}
*{box-sizing:border-box}
body{margin:0;min-width:280px;background:var(--page);color:var(--ink);-webkit-font-smoothing:antialiased}
body::before{content:"";position:fixed;inset:0;z-index:-1;background:radial-gradient(ellipse at 24% 51%,#e3eee0a8,transparent 46%),radial-gradient(ellipse at 91% 12%,#eaf0e46b,transparent 38%);pointer-events:none}
a{color:inherit;text-decoration:none}
button,input,select{font:inherit}
svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}
.page-shell{max-width:1440px;min-height:100svh;margin:auto;padding:42px 64px 27px;display:flex;flex-direction:column}
.site-header{display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:inline-flex;align-items:center;gap:11px;border-radius:8px}
.brand-mark{width:39px;height:39px;background:var(--green);border-radius:12px;display:grid;place-items:center;transform:rotate(-4deg)}
.brand-mark span{width:23px;height:11px;background:#f4f8ef;border-radius:8px;position:relative;transform:rotate(4deg);margin-top:8px}
.brand-mark span::before,.brand-mark span::after{content:"";position:absolute;background:inherit;border-radius:50%}
.brand-mark span::before{width:12px;height:12px;left:3px;top:-6px}
.brand-mark span::after{width:10px;height:10px;right:2px;top:-3px}
.brand-name{font-size:23px;font-weight:650;letter-spacing:2px;display:flex;align-items:center;gap:13px}
.brand-en{font-size:10px;font-weight:500;letter-spacing:2px;color:#7d8f83;border-left:1px solid #d5ded5;padding-left:13px}
.header-note{font-size:11px;color:#88988c;display:flex;align-items:center;gap:9px;letter-spacing:1px}
.header-actions{display:flex;align-items:center;gap:24px;min-width:0}
.language-picker{display:flex;align-items:center;gap:7px;color:#6b8271;padding:7px 9px;background:#ffffff80;border:1px solid #dde5d8;border-radius:8px;flex-shrink:0}
.language-picker>svg{width:15px;height:15px}
.language-picker select{max-width:112px;border:0;border-radius:3px;background:transparent;color:inherit;font-size:11px;cursor:pointer;padding:2px 3px;min-height:24px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}
html:lang(en) .brand-en{display:none}
html:lang(en) h1{font-size:49px;letter-spacing:-1.5px}
html:lang(ja){font-family:"Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,system-ui,sans-serif}
html:lang(ja) h1{font-size:47px;letter-spacing:0}
.status-dot{width:5px;height:5px;display:inline-block;border-radius:50%;background:#8ba98b;flex-shrink:0}
.main-layout{flex:1;display:grid;grid-template-columns:minmax(0,1fr) 420px;align-items:center;gap:84px;max-width:1120px;width:100%;margin:64px auto 76px}
.introduction{padding:8px 0 0 8px}
.eyebrow{display:flex;align-items:center;gap:10px;font-size:9px;font-weight:600;letter-spacing:2.8px;color:#6c8a70}
.eyebrow>span:first-child{display:block;width:22px;height:1px;background:#87a58a;flex-shrink:0}
h1{font-size:53px;line-height:1.42;font-weight:550;letter-spacing:1px;margin:22px 0 18px}
.highlight{position:relative;white-space:nowrap;color:#4f8162}
.highlight::after{content:"";position:absolute;left:0;right:4px;bottom:1px;height:8px;border-bottom:2px solid #acc39a;border-radius:50%;transform:rotate(-4deg)}
.intro-description{font-size:13px;line-height:2.05;letter-spacing:.6px;color:#86918a;margin:0}
.cloud-scene{width:480px;max-width:100%;height:278px;position:relative;margin:5px 0 7px -18px;isolation:isolate}
.orbit{position:absolute;border:1px solid #dce5d6;border-radius:50%;transform:rotate(-17deg)}
.orbit-one{width:407px;height:174px;top:56px;left:36px}
.orbit-two{width:313px;height:231px;top:26px;left:81px;transform:rotate(20deg);border-style:dashed;opacity:.7}
.folder-shadow{position:absolute;width:240px;height:25px;left:114px;top:235px;border-radius:50%;background:#a1b4945c;filter:blur(15px)}
.folder-back{position:absolute;left:124px;top:102px;width:236px;height:141px;border:1px solid #93b181;border-radius:13px;background:#b2c99b;transform:rotate(-8deg)}
.folder-back::before{content:"";position:absolute;left:-1px;top:-21px;width:98px;height:29px;border:1px solid #93b181;border-bottom:0;border-radius:11px 15px 0 0;background:#b2c99b}
.paper{position:absolute;width:173px;height:160px;background:#fefef8;border:1px solid #e0e6d8;border-radius:7px;padding:22px 20px;box-shadow:0 3px 6px #53664c0b}
.paper>span{display:block;height:5px;background:#e9ece1;width:85%;border-radius:3px;margin:10px 0}
.paper>span:last-child{width:55%}
.paper-back{top:48px;left:160px;transform:rotate(7deg);background:#eff3e9}
.paper-front{top:64px;left:146px;transform:rotate(-9deg)}
.paper-heading{display:flex;gap:8px;align-items:center;margin:0 0 14px}
.paper-heading>span{width:19px;height:22px;background:#dce7cc;border-radius:3px}
.paper-heading>i{height:6px;width:51px;background:#b9cbab;border-radius:3px}
.folder-front{position:absolute;top:131px;left:122px;width:244px;height:120px;border-radius:9px 10px 15px 15px;border:1px solid #a7bf8f;background:linear-gradient(120deg,#c5d6ab,#b5cc98);box-shadow:inset 0 2px 1px #e3edcc,0 12px 20px #73886716;transform:rotate(-8deg) skewX(-4deg)}
.folder-cloud{position:absolute;top:30px;left:100px;width:40px;height:19px;background:#e8efda;border-radius:16px;opacity:.85}
.folder-cloud::before,.folder-cloud::after{content:"";background:inherit;position:absolute;border-radius:50%}
.folder-cloud::before{width:22px;height:22px;top:-12px;left:6px}
.folder-cloud::after{width:18px;height:18px;top:-6px;right:3px}
.folder-label{position:absolute;left:20px;bottom:20px;font-size:9px;letter-spacing:1px;color:#718e58}
.folder-detail{position:absolute;right:17px;bottom:15px;font-size:19px;font-weight:300;color:#8eaa72}
.floating-note{position:absolute;border:1px solid #e4e8dc;background:#fdfef9;border-radius:11px;box-shadow:0 10px 20px #55694508}
.music-note{width:65px;height:71px;top:78px;left:40px;transform:rotate(-14deg);display:flex;align-items:center;justify-content:center;flex-direction:column;gap:7px}
.music-symbol{color:#aaae82;font-family:Georgia,serif;font-size:31px;line-height:31px}
.tiny-line{height:3px;width:22px;background:#e6e6d9;border-radius:2px}
.photo-note{width:97px;padding:7px 7px 5px;top:33px;right:32px;transform:rotate(13deg);border-radius:7px}
.landscape{height:65px;background:#e7ecd6;position:relative;overflow:hidden;border-radius:3px}
.sun{position:absolute;right:12px;top:10px;border-radius:50%;width:13px;height:13px;background:#e2cd93}
.mountain{position:absolute;width:72px;height:72px;transform:rotate(45deg);border-radius:6px}
.mountain-back{background:#bacb9e;left:25px;top:36px}
.mountain-front{background:#91ab80;left:-20px;top:40px}
.photo-caption{display:block;text-align:center;font-size:6px;letter-spacing:.8px;color:#9caa8e;padding-top:6px}
.saved-badge{display:flex;align-items:center;gap:8px;position:absolute;right:0;bottom:39px;padding:10px 13px;background:#ffffffde;border:1px solid #e0e7db;border-radius:9px;box-shadow:0 5px 13px #4e67460a;font-size:9px;letter-spacing:.4px;color:#839273;transform:rotate(3deg)}
.checkmark{background:#e5eedc;color:#799864;width:17px;height:17px;border-radius:50%;display:grid;place-items:center;font-size:10px}
.scene-spark{position:absolute;color:#9fb18c;font-weight:300}
.spark-one{left:88px;top:25px;font-size:23px}
.spark-two{right:30px;bottom:81px;font-size:23px;transform:rotate(10deg)}
.scene-dot{position:absolute;width:5px;height:5px;border-radius:50%;background:#bfccad}
.dot-one{left:75px;bottom:45px}.dot-two{right:13px;top:14px;width:3px;height:3px}
.feature-list{display:flex;gap:26px;margin:16px 0 0 3px}
.feature-list>span{display:inline-flex;align-items:center;gap:7px;font-size:10px;letter-spacing:.7px;color:#7f9082}
.feature-list svg{width:15px;height:15px;stroke:#859e7c}
.login-card{position:relative;padding:35px 35px 0;background:#ffffffed;border:1px solid #fff;border-radius:21px;box-shadow:0 22px 65px #29453008,0 3px 8px #29453003;overflow:hidden}
.login-card::before{content:"";position:absolute;top:0;left:36px;right:36px;height:1px;background:linear-gradient(90deg,transparent,#c4d6bb,transparent)}
.card-topline{display:flex;align-items:center;gap:10px;font-size:10px;letter-spacing:1px;color:#8e9b92;margin-bottom:24px}
.card-icon{width:33px;height:33px;background:#f0f5ec;border:1px solid #e7eee0;border-radius:10px;display:grid;place-items:center;color:#7c9870}
.card-icon svg{width:17px;height:17px}
h2{font-size:29px;letter-spacing:1px;font-weight:550;margin:0 0 10px;line-height:1.3}
.greeting-dot{color:#92ad76}
.card-description{font-size:11px;letter-spacing:.5px;color:#99a29c;margin:0 0 31px}
.form-field{margin-bottom:20px}
.form-field label{display:block;font-size:11px;font-weight:500;letter-spacing:.7px;margin:0 0 9px;color:#53655b}
.input-wrap{position:relative;display:flex;align-items:center}
.input-wrap>svg{position:absolute;left:15px;width:16px;height:16px;color:#a3aea4;pointer-events:none}
input{width:100%;height:49px;min-width:0;background:#fbfcfa;border:1px solid #e4e9e1;border-radius:8px;padding:0 14px 0 43px;font-size:12px;color:#355144;outline:none;transition:border-color .2s,box-shadow .2s,background .2s}
input::placeholder{color:#b1b9b1;font-size:11px;letter-spacing:.5px}
input:hover{border-color:#c2d0be}
input:focus{border-color:#7c9d6f;box-shadow:0 0 0 3px #7c9d6f18;background:#fff}
.login-button{position:relative;display:flex;align-items:center;justify-content:center;width:100%;height:49px;margin-top:27px;border:1px solid #3b745f;border-radius:8px;color:#fff;background:#3e7863;box-shadow:0 5px 10px #3e786315;cursor:pointer;font-size:12px;font-weight:500;transition:background .2s,transform .2s,box-shadow .2s}
.login-button>svg{position:absolute;right:17px;width:17px;height:17px;stroke:#d7e5dc;transition:transform .2s}
.login-button:hover{background:#326752;box-shadow:0 6px 14px #3e786328}
.login-button:hover>svg{transform:translateX(3px)}
.login-button:active{transform:translateY(1px)}
:focus-visible{outline:3px solid #a4bf8b;outline-offset:4px}
input:focus-visible{outline:none}
.login-note{margin:23px 0 28px;text-align:center;font-size:10px;letter-spacing:.8px;color:#a7b19f}
.login-button:disabled{opacity:.75;cursor:wait;transform:none}
.login-button:disabled>svg{animation:loading-pulse 1s ease-in-out infinite alternate}
.toast{position:fixed;z-index:10;top:28px;left:50%;transform:translateX(-50%);display:flex;align-items:center;gap:11px;width:max-content;max-width:calc(100vw - 32px);padding:13px 14px 13px 17px;border:1px solid #f0ddd6;border-radius:12px;background:#fffdfb;box-shadow:0 8px 30px #49302112;color:#74564c;font-size:13px;line-height:1.6;animation:toast-in .22s ease-out}
.toast[hidden]{display:none}
.toast-icon{display:grid;place-items:center;width:20px;height:20px;flex-shrink:0;border-radius:50%;background:#c67e68;color:#fff;font-size:13px;font-weight:600}
.toast-close{display:grid;place-items:center;flex-shrink:0;width:28px;height:28px;margin-left:8px;border:0;border-radius:6px;background:transparent;color:#b7a397;cursor:pointer}
.toast-close:hover{background:#f5eee9;color:#74564c}
.toast-close svg{width:14px;height:14px}
@keyframes toast-in{from{opacity:0;translate:0 -8px}to{opacity:1;translate:0 0}}
@keyframes loading-pulse{from{opacity:.3}to{opacity:1}}
.card-footer{display:flex;align-items:center;justify-content:center;gap:6px;padding:18px 20px 19px;margin:0 -35px;background:#fcfdfa;border-top:1px solid #f0f2ec;font-size:9px;line-height:1.7;text-align:center;letter-spacing:.4px;color:#a0ab9b}
.card-footer>svg{width:13px;height:13px;color:#9eaf92}
.site-footer{display:flex;align-items:center;justify-content:space-between;font-size:9px;letter-spacing:.5px;color:#a5afa3;gap:16px}
.footer-tagline{color:#a9b2a6;letter-spacing:1.2px}
.footer-end{display:flex;align-items:center;gap:6px}
.footer-end>span:first-child{width:4px;height:4px;border-radius:50%;background:#a9bd98;flex-shrink:0}
@media(min-width:1500px){.main-layout{margin-top:90px;margin-bottom:100px}}
@media(max-width:1100px){.page-shell{padding:32px 40px 24px}.main-layout{gap:36px;grid-template-columns:minmax(0,1fr) 390px;margin:60px auto}h1{font-size:44px}.introduction{padding-left:0}.cloud-scene{transform:scale(.88);transform-origin:left center;width:440px;margin-right:-55px}.feature-list{gap:18px}}
@media(max-width:860px){.page-shell{padding:27px 28px 22px}.main-layout{grid-template-columns:1fr;max-width:440px;gap:32px;margin:42px auto}.introduction{text-align:center;padding:0}.eyebrow{justify-content:center;font-size:8px}h1{font-size:38px;margin:16px 0 12px}.intro-description{font-size:12px}.cloud-scene,.feature-list{display:none}.login-card{width:100%}.header-note{font-size:9px;letter-spacing:0}.footer-tagline{display:none}.site-footer{font-size:8px}.brand-name{font-size:21px}.brand-en{font-size:8px}}
@media(max-width:420px){.page-shell{padding:22px 18px 20px}.brand-en{display:none}.header-note{font-size:8px}.brand-mark{width:34px;height:34px;border-radius:10px}.brand-name{font-size:20px}.main-layout{margin:34px auto;gap:26px}h1{font-size:34px}.login-card{padding:27px 24px 0;border-radius:17px}.card-footer{margin:0 -24px;font-size:8px}.card-description{margin-bottom:26px}.card-topline{margin-bottom:20px}.site-footer{letter-spacing:0}.response-caption{font-size:7px}}
@media(max-width:1100px){html:lang(en) h1{font-size:40px}html:lang(ja) h1{font-size:40px}.header-actions{gap:16px}.header-note{letter-spacing:0}.brand-en{letter-spacing:1px}.feature-list{flex-wrap:wrap;row-gap:12px}}
@media(max-width:860px){.header-note{display:none}html:lang(en) h1{font-size:36px}html:lang(ja) h1{font-size:36px}.header-actions{gap:0}.site-footer{flex-wrap:wrap;row-gap:10px}.footer-end{margin-left:auto}.brand-name{letter-spacing:.5px}}
@media(max-width:420px){html:lang(en) h1{font-size:30px}html:lang(ja) h1{font-size:30px}.brand-name{font-size:18px}.language-picker{padding:4px 6px;gap:4px}.language-picker select{font-size:10px}.site-header{gap:10px}.toast{font-size:12px;gap:8px}.toast-close{margin-left:0}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{transition:none!important;animation:none!important;scroll-behavior:auto!important}}