Gallery Footer Return

Source Code

Copy the HTML, CSS or JavaScript you need for your project.

<footer class="tb-btt-footer"><button aria-label="ページの先頭へ戻る" class="back-top back-top-2107 tb-btt-button" title="ページの先頭へ戻る" type="button"><span class="btt-meta">PAGE TOP / BACK TO THE BEGINNING</span><span class="btt-main">入口へ戻る</span><span aria-hidden="true" class="btt-symbol">↗</span><span aria-hidden="true" class="btt-underline"></span></button></footer>

/* TIPSBLOCKS Back to Top — standalone control only. */
.tb-btt-button,.tb-btt-button *,.tb-btt-button *::before,.tb-btt-button *::after{box-sizing:border-box}
.tb-btt-button{font-family:"Noto Sans JP","Hiragino Kaku Gothic ProN","Yu Gothic",system-ui,sans-serif;--accent:#26393b}
.tb-btt-button:focus-visible{outline:3px solid #edb45f;outline-offset:4px}
@media(prefers-reduced-motion:reduce){.tb-btt-button,.tb-btt-button *{animation-duration:.01ms!important;transition-duration:.01ms!important}}
/* Footer-integrated design. Mount inside a real page footer. */
.tb-btt-footer{display:block;background:#172c27;padding:22px 20px 25px;min-height:200px;color:#faf8e9;width:100%;max-width:100%;box-sizing:border-box;overflow-x:clip;}
.tb-btt-footer .back-top-2107{position:relative!important;grid-column:auto;grid-row:auto;}
.back-top{font-family:inherit;appearance:none;border:0;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-direction:column;position:fixed;z-index:30;opacity:0;visibility:hidden;pointer-events:none;transform:translateY(14px);transition:opacity .28s,transform .28s,visibility .28s;isolation:isolate}
.back-top.is-visible{opacity:1;visibility:visible;pointer-events:auto;transform:translateY(0)}
.back-top.is-returning{pointer-events:none}
.back-top .btt-symbol{font-weight:450;font-size:27px;line-height:1}
.back-top .btt-main{font-weight:750;line-height:1.45;text-align:center;letter-spacing:.06em}
.back-top .btt-meta{font-size:9px;line-height:1.4;letter-spacing:.11em;text-align:center}
.back-top:hover{filter:brightness(1.1)}
@media (max-width:650px){.back-top{max-width:112px}}
@keyframes flame{to{transform:scaleY(1.45);background:#ffc34a}}
@keyframes buoybob{to{translate:0 -5px}}
.back-top-2107{position:relative;z-index:1;opacity:1!important;visibility:visible!important;pointer-events:auto!important;transform:none!important;grid-column:2;grid-row:2;display:grid;grid-template-columns:1fr 80px;align-items:center;justify-items:start;background:transparent;color:#faf8e9;border:0;border-top:1px solid #7d9084;border-bottom:1px solid #7d9084;padding:34px 15px 26px;width:100%;min-height:174px;text-align:left;gap:8px}
.back-top-2107 .btt-meta{grid-column:1/-1;font-family:Arial,sans-serif;color:#a5b8aa;font-size:12px;text-align:left}
.back-top-2107 .btt-main{font-weight:400;text-align:left;font-size:clamp(34px,4.4vw,70px);line-height:1.35}
.back-top-2107 .btt-symbol{font-size:59px;font-weight:200;transition:transform .2s}
.back-top-2107 .btt-underline{display:block;position:absolute;width:0;height:3px;background:#e7c4a9;bottom:-2px;left:0;transition:width .5s}
.back-top-2107:hover .btt-underline{width:100%}
.back-top-2107:hover .btt-symbol{transform:translate(8px,-8px)}
@media (max-width:650px){.back-top-2107{grid-column:1;grid-row:auto;min-height:144px}
.back-top-2107 .btt-main{font-size:35px}}
@media (max-width:650px){.back-top-2107{max-width:none!important;width:100%;grid-template-columns:minmax(0,1fr) 50px;padding:21px 0;min-height:145px}
.back-top-2107 .btt-main{white-space:nowrap;font-size:clamp(27px,7.5vw,38px)}
.back-top-2107 .btt-symbol{font-size:45px}
.back-top-2107 .btt-meta{font-size:10px}}

/** TIPSBLOCKS TB-2107 — independent Back to Top. */
(()=>{'use strict';
 const control=document.querySelector('.tb-btt-button.back-top-2107');if(!control)return;
 const footer=true;
 const reduced=window.matchMedia('(prefers-reduced-motion: reduce)');
 const threshold=190;
 let raf=0;
 function update(){raf=0;const visible=footer||window.scrollY>threshold;
 control.classList.toggle('is-visible',visible);
 if(!footer){control.setAttribute('aria-hidden',String(!visible));control.tabIndex=visible?0:-1;}
 }
 window.addEventListener('scroll',()=>{if(!raf)raf=requestAnimationFrame(update)},{passive:true});
 window.addEventListener('resize',update,{passive:true});
 control.addEventListener('click',()=>{control.classList.add('is-returning');
 window.scrollTo({top:0,behavior:reduced.matches?'instant':'smooth'});
 if(reduced.matches)control.classList.remove('is-returning');
 else {const onStop=()=>{if(window.scrollY<=3){control.classList.remove('is-returning');window.removeEventListener('scroll',onStop)}};
 window.addEventListener('scroll',onStop,{passive:true});}
 });
 update();
})();

How to Use

Insert the HTML button near the end of body, load the CSS, and include JavaScript using defer. Test scrolling, returning to the top, and positioning on mobile.

Use Case

Art centers, galleries and exhibitions.

Technical Notes

Keep controls usable on touch devices. Test keyboard focus and reduced-motion preferences.

Mobile：Check tap target, visibility and positioning on small screens.

Browser：Designed for current Chrome, Edge, Firefox and Safari.

Reduced Motion：CSS animations respect the reduced-motion preference.