Metal Plate Return

Source Code

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

<button aria-label="ページの先頭へ戻る" class="back-top back-top-2105 tb-btt-button" title="ページの先頭へ戻る" type="button"><span aria-hidden="true" class="bolt bolt-a">✕</span><span aria-hidden="true" class="bolt bolt-b">✕</span><span aria-hidden="true" class="bolt bolt-c">✕</span><span aria-hidden="true" class="bolt bolt-d">✕</span><span aria-hidden="true" class="btt-symbol">⇈</span><span class="btt-main">原点へ</span><span class="btt-meta">RETURN 00</span></button>

/* 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}}
.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-2105{right:0;top:56%;width:81px;height:153px;background:linear-gradient(105deg,#9aa6b3,#f6f9fb 23%,#bcc5d0 55%,#eef1f4);border:3px ridge #818c99;border-radius:7px 0 0 7px;color:#2b3945;box-shadow:-2px 5px 16px #0006;padding:17px 9px}
.back-top-2105 .btt-symbol{font-size:28px;color:#ec722f}
.back-top-2105 .btt-main{font-size:14px;letter-spacing:0}
.back-top-2105 .btt-meta{font-size:8px}
.back-top-2105 .bolt{position:absolute;font-size:9px;color:#4b5867}
.back-top-2105:hover .btt-symbol{translate:0 -7px}
@media (max-width:650px){.back-top-2105{width:64px;height:118px;top:auto;bottom:10px}
.back-top-2105 .btt-main{font-size:11px}}

/** TIPSBLOCKS TB-2105 — independent Back to Top. */
(()=>{'use strict';
 const control=document.querySelector('.tb-btt-button.back-top-2105');if(!control)return;
 const footer=false;
 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

Precision manufacturing and industrial businesses.

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.