*,*::before,*::after{box-sizing:border-box}*{margin:0}html{-webkit-text-size-adjust:100%}body{line-height:1.5;-webkit-font-smoothing:antialiased}img,picture,video,canvas,svg{display:block;max-width:100%}input,button,textarea,select{font:inherit}p,h1,h2,h3,h4,h5,h6{overflow-wrap:break-word}:root{--font-noto:"Noto Sans JP",sans-serif;--font-outfit:"Outfit",sans-serif;--font-optical-sizing:auto;--font-style-normal:normal;--font-weight-light:300;--font-weight-normal:400;--font-weight-bold:700;--link-letter-spacing:0.1em;--bg-color:#f7f9fa;--card-bg:#ffffff;--text-main:#333333;--text-sub:#666666;--footer-bg:#404040;--footer-text:#cccccc}html,body{height:100%;background-color:#242424}body{font-family:var(--font-noto);font-optical-sizing:var(--font-optical-sizing);font-weight:var(--font-weight-normal);font-style:var(--font-style-normal);min-height:100dvh;display:flex;flex-direction:column;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}.content-wrapper{position:relative;background-color:var(--bg-color);color:var(--text-main);flex:1;width:100%;display:flex;flex-direction:column}.content-wrapper::before{content:"";position:absolute;bottom:100%;left:0;right:0;height:100vh;background-color:var(--bg-color);pointer-events:none}img{-webkit-user-drag:none;pointer-events:none}.container{max-width:800px;width:100%;margin:0 auto;text-align:center;padding:16px 16px 32px;flex:1}.profile-panel{margin-bottom:24px}.card-header{position:relative;height:132px;border-radius:16px 16px 0 0;border-bottom:8px}.header-img{width:100%;height:100%;object-fit:cover;border-radius:16px 16px 0 0}.avatar{position:absolute;left:20px;bottom:0;transform:translateY(50%);width:110px;height:110px;border-radius:50%;object-fit:cover;border:5px solid var(--card-bg);z-index:10}.card-body{background-color:var(--card-bg);border-radius:0 0 16px 16px;padding:18px 26px 24px;text-align:left;position:relative}.card-top-slot{display:flex;justify-content:flex-end;align-items:center;height:38px;margin-bottom:8px}.like-btn{position:relative;display:inline-flex;align-items:center;gap:8px;padding:8px 16px;background-color:var(--card-bg);border:none;box-shadow:inset 0 0 0 2px var(--footer-bg);border-radius:9999px;color:var(--footer-bg);font-family:var(--font-outfit);font-size:13px;cursor:pointer;user-select:none;-webkit-user-select:none;touch-action:manipulation;-webkit-tap-highlight-color:transparent;overflow:hidden;z-index:1;transform-origin:center center;will-change:transform;backface-visibility:hidden;transition:color 0.4s ease}.like-btn::before{content:"";position:absolute;top:-2px;bottom:-2px;left:-50%;width:200%;height:calc(100% + 4px);background-color:var(--footer-bg);z-index:-1;transform:skewX(-25deg) translateX(-110%);transition:transform 1.25s cubic-bezier(0.1,0.95,0.15,1)}@media (hover:hover) and (pointer:fine){.like-btn:hover::before{transform:skewX(-25deg) translateX(0)}.like-btn:hover{color:var(--card-bg)}}.like-btn.pressed::before{transform:skewX(-25deg) translateX(0)}.like-btn.pressed{color:var(--card-bg)}.like-btn.pop{animation:likePop 0.32s cubic-bezier(0.175,0.885,0.32,1.3)}@keyframes likePop{0%{transform:scale(1)}50%{transform:scale(1.08)}100%{transform:scale(1)}}.like-heart-icon{width:15px;height:15px;display:block;flex-shrink:0;filter:drop-shadow(0 1px 1px rgba(160,0,64,0.25))}.like-count{font-family:var(--font-outfit);font-size:13px;font-weight:var(--font-weight-normal);font-variant-numeric:tabular-nums;letter-spacing:var(--link-letter-spacing);line-height:1}.name{font-size:21px;font-weight:var(--font-weight-bold);margin-bottom:4px}.location{font-size:12px;color:var(--text-sub);margin-bottom:12px}.bio{font-size:16px;color:var(--text-main)}.heart-icon{display:inline-block;width:18px;height:18px;vertical-align:-4px;margin:0 2px;filter:drop-shadow(0 1px 1px rgba(160,0,64,0.25))}.panel-title{display:flex;align-items:center;gap:12px;font-family:var(--font-outfit);font-size:12px;font-weight:var(--font-weight-normal);letter-spacing:var(--link-letter-spacing);color:var(--footer-bg);margin-bottom:18px;text-align:left}.panel-title::after{content:"";flex:1;height:1px;background-color:var(--footer-bg)}.link-panel{background-color:var(--card-bg);border-radius:16px;padding:20px;margin-bottom:32px}.link-list{display:flex;flex-direction:column;gap:16px}.link-item{position:relative;display:block;padding:16px 20px;background-color:var(--card-bg);border:2px solid var(--footer-bg);text-decoration:none;font-family:var(--font-outfit);font-weight:var(--font-weight-normal);letter-spacing:var(--link-letter-spacing);color:var(--footer-bg);text-align:center;overflow:hidden;z-index:1}.link-item::before{content:"";position:absolute;top:0;left:-50%;width:200%;height:200%;background-color:var(--footer-bg);z-index:-1;transform:skewX(-25deg) translateX(-100%);transition:transform 1.25s cubic-bezier(0.1,0.95,0.15,1)}.link-item::after{content:attr(data-text);position:absolute;top:0;left:0;width:100%;height:100%;padding:16px 20px;box-sizing:border-box;color:var(--card-bg);z-index:2;clip-path:polygon(-50% 0,-50% 0,-50% 100%,-50% 100%);transition:clip-path 0.75s cubic-bezier(0.05,0.95,0.15,1)}.link-item:hover:before{transform:skewX(-25deg) translateX(-22%)}.link-item:hover:after{clip-path:polygon(-50% 0,150% 0,150% 100%,-50% 100%)}.study-panel{background-color:var(--card-bg);border-radius:16px;padding:20px;margin-bottom:32px}.study-layout{display:flex;align-items:center;gap:20px}@media (max-width:580px){.study-layout{flex-direction:column}}.donut-wrapper{position:relative;width:160px;height:160px;flex-shrink:0;margin-left:6px}@media (max-width:580px){.donut-wrapper{margin-left:0}}.donut-svg{width:100%;height:100%;transform:rotate(-90deg)}.donut-svg circle.donut-segment{stroke-opacity:0.85;cursor:pointer}.donut-center-text{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);text-align:center;width:100%;pointer-events:none}.donut-hours{font-family:var(--font-outfit);font-size:18px;font-weight:var(--font-weight-light);color:var(--footer-bg);line-height:1.2;letter-spacing:0.05em}.donut-unit-h{font-size:13px;font-weight:var(--font-weight-light);margin-left:2px;color:var(--text-sub)}.donut-sub{display:block;font-family:var(--font-outfit);font-size:10px;font-weight:var(--font-weight-light);letter-spacing:0.05em;color:var(--text-sub);margin-top:4px}.study-logs-list{flex:1;width:100%;display:flex;flex-direction:column;gap:10px}.study-log-card{position:relative;display:flex;justify-content:space-between;align-items:center;padding:12px 16px 15px;background-color:#f8fafc;border-radius:8px;overflow:hidden}.study-log-date{font-family:var(--font-outfit);font-size:13px;font-weight:var(--font-weight-normal);color:var(--text-sub)}.study-log-duration{font-family:var(--font-outfit);font-size:13px;font-weight:var(--font-weight-normal);color:var(--footer-bg)}.study-gauge-track{position:absolute;bottom:0;left:0;width:100%;height:3.5px;background-color:#e2e8f0;display:flex;overflow:hidden;border-radius:0 0 8px 8px}.gauge-chunk{height:100%;opacity:0.85}.clean-footer{--footer-text-muted:#999999;background-color:#242424;color:var(--footer-text-muted);font-family:var(--font-noto);font-size:13px;line-height:1.6;padding-top:48px;padding-bottom:32px;margin-top:auto;border-top:1px solid rgba(0,0,0,0.08)}.footer-inner{max-width:800px;width:100%;margin:0 auto;padding:0 20px;box-sizing:border-box}.footer-main-row{display:flex;justify-content:space-between;align-items:flex-start;gap:56px;margin-bottom:40px;text-align:left}.footer-lead{flex:1;max-width:280px}.footer-brand-name{font-family:var(--font-outfit);font-size:12px;font-weight:var(--font-weight-light);letter-spacing:var(--link-letter-spacing);color:#ffffff;margin-bottom:8px}.footer-lead-text{font-size:13px;color:inherit;line-height:1.6;margin-bottom:6px}.footer-email-text{font-size:13px;color:inherit;line-height:1.5}.footer-email-link{color:inherit;font-family:var(--font-outfit);font-size:13px;font-weight:var(--font-weight-light);text-decoration:underline;text-underline-offset:3px;transition:color 0.2s;word-break:break-all}.footer-email-link:hover{color:#ffffff}.footer-form-col{flex:1.2;width:100%}.footer-form{display:flex;flex-direction:column;gap:10px}.form-input,.form-textarea{width:100%;background-color:rgba(255,255,255,0.04);border:1px solid rgba(255,255,255,0.1);border-radius:8px;color:#ffffff;font-family:inherit;font-size:13px;padding:10px 14px;box-sizing:border-box;outline:none;transition:border-color 0.2s,background-color 0.2s,box-shadow 0.2s}.form-input:focus,.form-textarea:focus{border-color:rgba(255,255,255,0.25);background-color:rgba(255,255,255,0.06);box-shadow:0 0 0 1px rgba(255,255,255,0.15)}.form-input::placeholder,.form-textarea::placeholder{color:rgba(255,255,255,0.35)}.form-textarea{resize:vertical;min-height:64px;max-height:200px;overflow-y:auto;line-height:1.5}.form-footer-action{display:flex;justify-content:space-between;align-items:center;margin-top:2px;min-height:32px}.form-notice-text{font-size:12px;color:inherit;opacity:0}.form-notice-text.show{opacity:1}.form-submit-btn{background-color:#ffffff;color:#171717;border:none;border-radius:6px;padding:7px 18px;font-size:12px;font-weight:var(--font-weight-normal);font-family:var(--font-outfit);cursor:pointer;transition:opacity 0.15s,transform 0.1s}.form-submit-btn:hover{opacity:0.9}.form-submit-btn:active{transform:scale(0.98)}.footer-bottom{padding-top:24px;border-top:1px solid rgba(255,255,255,0.08);display:flex;justify-content:space-between;align-items:center;font-size:12px;color:inherit;font-family:var(--font-outfit)}.bottom-left{display:flex;align-items:center;gap:12px}.bottom-copyright{font-size:12px;font-weight:var(--font-weight-light);color:inherit}.dot-separator{color:inherit}.privacy-link{color:inherit;font-size:12px;font-weight:var(--font-weight-light);font-family:inherit;text-decoration:underline;text-underline-offset:3px;transition:color 0.2s}.privacy-link:hover{color:#ffffff}@media (max-width:680px){.clean-footer{padding-top:36px;padding-bottom:28px}.footer-main-row{flex-direction:column;gap:24px;margin-bottom:28px}.footer-lead{max-width:100%}.form-textarea{min-height:84px}.footer-bottom{padding-top:20px}}