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- ã¢ã³ã«ãŒïŒå¥ã®èŠçŽ ãçžå¯Ÿçã«é 眮ãããèŠçŽ ãããã¯ããã¿ã³ããªã³ã¯ãã¢ã€ã³ã³ãªã©ã®ã¿ãŒã²ããèŠçŽ ã§ãã
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- ã·ã³ãã«ãïŒCSSã¢ã³ã«ãŒããžã·ã§ãã³ã°ã¯ãããŒã«ããããšããããªãŒããŒãé 眮ããããã«å¿ èŠãªã³ãŒããç°¡çŽ åãããšã©ãŒã®å¯èœæ§ãæžãããã³ãŒããçè§£ããŠä¿å®ããããããŸãã
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1. HTMLæ§é ã®èšå®
ç°¡åãªHTMLæ§é ããå§ããŸããããŒã«ãããä»ãã®ãã¿ã³ãäœæããŸãã
<button id="myButton">Hover Me</button>
<div id="myTooltip">This is a tooltip.</div>
ããããªãŒããŒä»ãã®ãã¿ã³ãäœæããŸãã
<button id="myPopoverButton">Click Me</button>
<div id="myPopover">
<h3>Popover Content</h3>
<p>This is the content of the popover.</p>
<button id="closePopoverButton">Close</button>
</div>
2. ããŒã«ãããã®äŸã®CSS
次ã«ãCSSã远å ããŠããŒã«ããããé 眮ããŸãã以äžãè¡ããŸãã
- ããŒã«ãããã®è¡šç€ºãæåã¯ãnoneãã«èšå®ããŸãã
- ãã¿ã³ã®ã¢ã³ã«ãŒåãå®çŸ©ããŸãã
- ãposition: anchor()ãã䜿çšããŠããŒã«ããããé 眮ããŸãã
#myButton {
position: relative;
padding: 10px 20px;
background-color: #4CAF50;
color: white;
border: none;
cursor: pointer;
}
#myTooltip {
position: absolute;
background-color: #333;
color: white;
padding: 5px 10px;
border-radius: 4px;
display: none;
z-index: 10;
/* Anchor positioning */
anchor-name: tooltip-anchor;
position: anchor(tooltip-anchor);
top: calc(100% + 5px);
left: 50%;
transform: translateX(-50%);
white-space: nowrap;
}
#myButton:hover + #myTooltip {
display: block;
}
説æïŒ
anchor-name: tooltip-anchor;ã¯ãããŒã«ãããã«ã¢ã³ã«ãŒåãå²ãåœãŠãŸããposition: anchor(tooltip-anchor);ã¯éæ³ã§ãïŒã¢ã³ã«ãŒåïŒãã¿ã³ïŒãæå®ããŠãããŒã«ãããã®ããžã·ã§ãã³ã°ãã¢ã³ã«ãŒã«ãªã³ã¯ããŸããtop: calc(100% + 5px);ã¯ãå°ããªã®ã£ããã§ãã¿ã³ã®äžã«ããŒã«ããããé 眮ããŸããleft: 50%; transform: translateX(-50%);ã¯ããã¿ã³ã®äžã«ããŒã«ããããæ°Žå¹³æ¹åã«äžå€®æãã«ããŸãã- ãã¿ã³ã®ãããŒç¶æ ã¯ããŒã«ããããã¢ã¯ãã£ãã«ããŸãã
3. ããããªãŒããŒã®äŸã®CSS
次ã«ãããããªãŒããŒã®å Žåã以äžãè¡ãå¿ èŠããããŸãã
- ãã¿ã³ãã¯ãªãã¯ããããšãã«ããããªãŒããŒã衚瀺ããŸãã
- ããããªãŒããŒãé 眮ããŸãã
#myPopoverButton {
position: relative;
padding: 10px 20px;
background-color: #008CBA;
color: white;
border: none;
cursor: pointer;
}
#myPopover {
position: absolute;
background-color: #f0f0f0;
border: 1px solid #ccc;
padding: 15px;
border-radius: 8px;
display: none;
z-index: 10;
width: 300px;
/* Anchor positioning */
anchor-name: popover-anchor;
position: anchor(popover-anchor);
top: calc(100% + 10px);
left: 50%;
transform: translateX(-50%);
box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}
#myPopoverButton:active + #myPopover,
#myPopover:focus-within {
display: block;
}
#closePopoverButton {
display: block;
margin-top: 15px;
padding: 8px 15px;
background-color: #e74c3c;
color: white;
border: none;
border-radius: 4px;
cursor: pointer;
}
説æïŒ
- ããããªãŒããŒã¯æåã¯é衚瀺ã«ãªã£ãŠããŸãã
anchor()ã䜿çšããŠé 眮ããããã¿ã³ã«åºå®ãããŸãã- ããããªãŒããŒã¯ããã¿ã³ãã¢ã¯ãã£ãåããããšãããŸãã¯ãã©ãŒã«ã¹ãããããªãŒããŒã³ã³ãã³ãå ã«ãããšãã«è¡šç€ºãããŸãã
- éãããã¿ã³ã¯ãããããªãŒããŒãé衚瀺ã«ããæ¹æ³ãæäŸããŸãã
4. JavaScriptã®è¿œå ïŒãªãã·ã§ã³ïŒ
å®å šã«ã€ã³ã¿ã©ã¯ãã£ããªããããªãŒããŒã®å Žåãéãããã¿ã³ãã¯ãªãã¯ããããšãã«ããããªãŒããŒãéããããã«JavaScriptã远å ã§ããŸãã
document.getElementById('closePopoverButton').addEventListener('click', function() {
document.getElementById('myPopover').style.display = 'none';
});
é«åºŠãªãã¯ããã¯ãšèæ ®äºé
CSSã¢ã³ã«ãŒããžã·ã§ãã³ã°ã¯ãæŽç·Žãããå ç¢ãªUIèŠçŽ ãäœæããããã®ããã€ãã®é«åºŠãªãã¯ããã¯ãæäŸããŸãã
1. è€æ°ã®ã¢ã³ã«ãŒ
è€æ°ã®ã¢ã³ã«ãŒã䜿çšããŠãè€éãªã¬ã€ã¢ãŠãã§èŠçŽ ã®äœçœ®ãå¶åŸ¡ã§ããŸããããšãã°ãããŒã«ãããã¯ããã¿ã³ïŒåçŽæ¹åã®ããžã·ã§ãã³ã°çšïŒãšã³ã³ããèŠçŽ ïŒæ°Žå¹³æ¹åã®ããžã·ã§ãã³ã°çšãããã³ããŒã«ããããã³ã³ãããããªãŒããŒãããŒããã®ãé²ãããïŒã®äž¡æ¹ã«åºå®ã§ããŸãã
CSSã§è€æ°ã®ã¢ã³ã«ãŒãå®çŸ©ãããã©ãŒã«ããã¯ãæäŸã§ããŸãã
2. ã¢ã³ã«ãŒã®å¶çŽ
ç»é¢ã®å¢çç·ãæ€èšããŠãã ãããç»é¢ã®äžéšã«ããããŒã«ãããã¯ãåãåãããªãããã«ãèŠçŽ ã®äžã«è¡šç€ºãããã¯ãã§ããCSSã¢ã³ã«ãŒããžã·ã§ãã³ã°ã¯ããããã®ç¶æ³ãåŠçããããã«èšèšãããŠããŸããèŠçŽ ãã¢ã³ã«ãŒã«å¯ŸããŠã©ã®ããã«é 眮ãããããæå®ããããšã§ãCSSã¯èŠçŽ ããªãŒããŒãããŒããå Žåã«èªåçã«äœçœ®ã調æŽã§ããŸãã
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3. ã¢ã¯ã»ã·ããªãã£ã«é¢ããèæ ®äºé
ããŒã«ããããšããããªãŒããŒãæäœããå Žåã¯ãã¢ã¯ã»ã·ããªãã£ãèæ ®ããŠãã ããã
- ããŒããŒãããã²ãŒã·ã§ã³ïŒãŠãŒã¶ãŒãããŒããŒãã䜿çšããŠããŒã«ããããšããããªãŒããŒã«ã¢ã¯ã»ã¹ã§ããããã«ããŸãããã©ãŒã«ã¹ç¶æ ãæäŸããããã²ãŒã·ã§ã³ã«TabããŒã䜿çšããŸãã
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- ã¿ã€ã ã¢ãŠãïŒãŠãŒã¶ãŒã®ãã¥ãŒããããã¯ããªãããã«ãã¿ã€ããŒãªã©ãããããªãŒããŒãèªåçã«éããã¡ã«ããºã ãæäŸããããšãæ€èšããŠãã ããã
4. ã¬ã¹ãã³ã·ããšé©å¿æ§
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@media (max-width: 600px) {
#myTooltip {
top: auto;
bottom: calc(100% + 5px);
transform: translateX(-50%);
}
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