回答編集履歴
3
補足の追加。
answer
CHANGED
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@@ -23,3 +23,38 @@
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23
23
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}
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24
24
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```**動くサンプル：**[https://jsfiddle.net/e1au0a51/](https://jsfiddle.net/e1au0a51/)
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25
25
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26
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+
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27
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+
---
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28
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29
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**追記：**
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30
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31
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+
ginさんのおっしゃられているやり方↓
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32
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33
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34
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```CSS
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35
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.module_columns_three {
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36
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border-top: 1px solid #aaa;
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37
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overflow: hidden;
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38
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border-left: 1px solid #aaa; /* change */
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39
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}
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40
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41
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.columns_three_column {
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42
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float: left;
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43
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-webkit-box-sizing: border-box;
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44
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-moz-box-sizing: border-box;
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45
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box-sizing: border-box;
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46
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width: calc(100%/3);
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47
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border-right: 1px solid #aaa; /* change */
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48
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border-bottom: 1px solid #aaa;
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49
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}
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50
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/*
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51
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.columns_three_column:nth-child(3n),
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52
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.columns_three_column:last-child {
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53
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border-right: 1px solid #aaa;
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54
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}
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55
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56
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.columns_three_column:last-child {
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57
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margin-right: -1px;
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58
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}
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59
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*/ /* change */
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60
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```
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2
補足の追加。
answer
CHANGED
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@@ -13,8 +13,8 @@
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13
13
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border-right: 1px solid #aaa; /* change */
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14
14
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border-bottom: 1px solid #aaa;
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15
15
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}
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16
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-
.columns_three_column:nth-child(4n),
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16
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.columns_three_column:nth-child(4n), /* change */
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-
.columns_three_column:first-child {
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17
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.columns_three_column:first-child { /* change */
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18
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border-left: 1px solid #aaa; /* change */
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19
19
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}
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20
20
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1
補足の追加。
answer
CHANGED
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@@ -1,3 +1,25 @@
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1
1
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1列目は左の border で書かれていて、下の段は右の border で書かれているためです。
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2
2
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3
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-
border の left と right を全部逆にすればずれなくなると思いますよ。
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3
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border の left と right を全部逆にすればずれなくなると思いますよ。
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4
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5
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6
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```CSS
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7
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.columns_three_column {
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8
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float: left;
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9
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-webkit-box-sizing: border-box;
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10
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-moz-box-sizing: border-box;
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11
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box-sizing: border-box;
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12
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width: calc(100%/3);
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13
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border-right: 1px solid #aaa; /* change */
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14
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border-bottom: 1px solid #aaa;
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15
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}
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16
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.columns_three_column:nth-child(4n),
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17
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.columns_three_column:first-child {
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18
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border-left: 1px solid #aaa; /* change */
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19
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}
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20
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+
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21
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.columns_three_column:last-child {
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22
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/*margin-right: -1px;*/ /* change */
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23
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}
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24
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```**動くサンプル：**[https://jsfiddle.net/e1au0a51/](https://jsfiddle.net/e1au0a51/)
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25
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